1 2008-05-08 Uros Bizjak <ubizjak@gmail.com>
3 * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
4 TFmode op0 to register.
6 2008-05-07 Alan Modra <amodra@bigpond.net.au>
8 * c-decl.c (grokdeclarator): Comment typo.
10 2008-05-06 Aldy Hernandez <aldyh@redhat.com>
12 * tree-flow.h: Remove prototype for computed_goto_p.
13 * tree-cfg.c (computed_goto_p): Make static.
15 2008-05-06 H.J. Lu <hongjiu.lu@intel.com>
18 * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
19 (contains_aligned_value_p): This. Handle _Decimal128.
20 (ix86_function_arg_boundary): Only align _Decimal128 to its
21 natural boundary and handle it properly.
23 2008-05-06 Martin Jambor <mjambor@suse.cz>
25 * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
26 (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
27 (ipcp_method_set_orig_node): Removed.
28 (ipcp_cval_get_cvalue_type): Removed.
29 (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
30 (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
31 (ipcp_cval_set_cvalue_type): Removed.
32 (ipcp_cval_get_cvalue): Removed.
33 (ipcp_cval_set_cvalue): Removed.
34 (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
35 (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
36 (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
37 (ipcp_cval_meet): Renamed to ipa_lattice_meet
38 (ipcp_cval_changed): Changed to use ipcp_lat_is_const
39 (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
40 (ipcp_get_ith_lattice): Changed parameters.
41 (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
42 (ipcp_lattice_from_jfunc): Changed parameters.
43 (ipcp_redirect): Local lattice pointer instead of lattice type variable.
44 (ipcp_method_cval_print): Added temporary variable info.
45 (ipcp_redirect): Removed already unused local variable caller.
46 (ipcp_redirect): New temporary variable orig_callee_info
47 (ipcp_redirect): Removed newly unused local variable callee.
48 (ipcp_redirect): Removed (a bit confusing) local variable type.
49 (ipcp_insert_stage): Added local variable info.
50 (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
52 (ipcp_formal_create): Removed.
53 (ipcp_method_cval_set): Removed.
54 (ipcp_propagate_stage): Renamed lattice variables.
55 (ipcp_method_cval_set_cvalue_type): Removed.
56 (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
57 (ipcp_print_all_lattices): Changed printed strings to refer to
58 lattices rather than cvals.
59 (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
60 (ipcp_propagate_const): Changed formal parameters.
61 (build_const_val): Changed formal parameters.
62 (ipcp_insert_stage): Removed useless variable cvalue
63 (build_const_val): Changed formal parameters.
64 (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
65 (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
66 (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
67 (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
68 (ipcp_print_func_profile_counts): Changed string from "method" to
70 (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
71 (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
72 (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
73 (ipcp_structures_print): Renamed to ipcp_print_all_structures
74 (ipcp_profile_print): Renamed to ipcp_print_profile_data
75 (ipcp_lat_is_const): Changed parameters and made inline.
76 (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
77 (ipcp_redirect): Renamed to ipcp_need_redirect_p
78 (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
79 the predicate condition directly
80 (ipcp_propagate_stage): Added local variable args. Removed local
81 variable callee. (Both are mere code simplifications.)
82 (ipcp_method_dont_insert_const): Renamed to
83 ipcp_node_not_modifiable_p.
84 (ipcp_node_not_modifiable_p): Made inline.
85 (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
86 (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
87 (ipcp_print_all_lattices): Removed variable cvalue
88 (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
91 2008-05-06 Olivier Hainque <hainque@adacore.com>
93 * tree-sra.c (try_instantiate_multiple_fields): Early return
94 if field has POINTER_TYPE.
96 2008-05-06 Kai Tietz <kai.tietz@onevision.com>
98 * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
99 by using 'q' specifier for instruction.
100 (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
102 2008-05-06 Anatoly Sokolov <aesok@post.ru>
104 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
105 Change mode of zero_extract from QImode to HImode.
106 (sign bit tests peepholes): (Ditto.).
108 2008-05-06 Uros Bizjak <ubizjak@gmail.com>
110 * config/i386/mmx.md: Remove double backslashes from asm templates.
111 (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
112 (mmx_addv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
113 to handle nonimmediate operands.
114 (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
115 (mmx_mulv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
116 to handle nonimmediate operands.
117 (*mmx_<code>v2sf3_finite): New insn pattern.
118 (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
119 (mmx_<code>v2sf3): New expander. Use
120 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
121 (mmx_<plusminus_insn><mode>3): New expander. Use
122 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
123 (*mmx_<plusminus_insn><mode>3): New insn pattern.
124 (mmx_add<mode>3): Removed.
125 (mmx_ssadd<mode>3): Ditto.
126 (mmx_usadd<mode>3): Ditto.
127 (mmx_sub<mode>3): Ditto.
128 (mmx_sssub<mode>3): Ditto.
129 (mmx_ussub<mode>3): Ditto.
130 (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
131 (mmx_mulv4hi3): New expander. Use ix86_fixup_binary_operands_no_copy
132 to handle nonimmediate operands.
133 (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
135 (mmx_smulv4hi3_highpart): New expander. Use
136 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
137 (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
139 (mmx_umulv4hi3_highpart): New expander. Use
140 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
141 (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
142 (mmx_<code>v4hi3): New expander. Use
143 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
144 (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
145 (mmx_<code>v8qi3): New expander. Use
146 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
147 (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
148 (mmx_<code><mode>3): New expander. Use
149 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
151 2008-05-05 Jan Hubicka <jh@suse.cz>
153 PR tree-optimization/36118
154 * passes.c (pass_init_dump_file): Fix dump header.
156 2008-05-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
159 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
160 VCE for function decls.
162 2008-05-05 H.J. Lu <hongjiu.lu@intel.com>
164 * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
166 2008-05-05 H.J. Lu <hongjiu.lu@intel.com>
168 * config/i386/i386.md (sat_plusminus): New.
169 (plusminus_insn): Likewise.
170 (plusminus_mnemonic): Likewise.
172 (comm): Add ss_plus, us_plus, ss_minus and us_minus.
173 (*<addsub><mode>3_cc_overflow): Renamed to ...
174 (*<plusminus_insn><mode>3_cc_overflow): This.
175 (*<addsub>si3_zext_cc_overflow): Renamed to ...
176 (*<plusminus_insn>si3_zext_cc_overflow): This.
178 * config/i386/sse.md (<addsub><mode>3): Renamed to ...
179 (<plusminus_insn><mode>3): This.
180 (*<addsub><mode>3): Renamed to ...
181 (*<plusminus_insn><mode>3): This.
182 (<sse>_vm<addsub><mode>3): Renamed to ...
183 (<sse>_vm<plusminus_insn><mode>3): This.
184 (sse3_h<addsub>v4sf3): Renamed to ...
185 (sse3_h<plusminus_insn>v4sf3): This.
186 (sse3_h<addsub>v2df3): Renamed to ...
187 (sse3_h<plusminus_insn>v2df3): This.
188 (<plusminus_insn><mode>3): New.
189 (*<plusminus_insn><mode>3): Likewise.
190 (sse2_<plusminus_insn><mode>3): Likewise.
191 (add<mode>): Removed.
192 (*add<mode>3): Likewise.
193 (sse2_ssadd<mode>3): Likewise.
194 (sse2_usadd<mode>3): Likewise.
195 (sub<mode>3): Likewise.
196 (*sub<mode>3): Likewise.
197 (sse2_sssub<mode>3): Likewise.
198 (sse2_ussub<mode>3): Likewise.
200 2008-05-05 Benjamin Kosnik <bkoz@redhat.com>
202 * gthr-single.h: Add in required interface elements as per gthr.h.
203 Add stub types for __gthread_key_t, __gthread_once_t. Add defines
204 for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
205 Generalize UNUSED macro.
206 (__gthread_once): Add.
207 (__gthread_key_create): Add.
208 (__gthread_key_delete): Add.
209 (__gthread_getspecific): Add.
210 (__gthread_setspecific): Add.
212 2008-05-05 Andrew Pinski <Andrew.Pinski@playstation.sony.com>
214 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
215 the same size types for the indirect reference on the rhs, then
218 2008-05-05 Uros Bizjak <ubizjak@gmail.com>
220 * config/i386/i386.md
221 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
222 one insn template instead of template series.
223 (*xordi_1_rex64): Ditto.
224 (*xordi_2_rex64): Ditto.
226 2008-05-05 Ira Rosen <irar@il.ibm.com>
228 PR tree-optimization/36119
229 * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
232 2008-06-04 Jan Hubicka <jh@suse.cz>
234 tree-optimization/36100
235 * tree-pass.h (pass_O0_always_inline): Declare.
236 * ipa-inline.c (inline_transform): Remove dead code.
237 (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
238 pass_O0_always_inline): New.
239 * passes.c (init_optimization_passes): Add pass_O0_always_inline.
241 2008-05-04 Kai Tietz <kai.tietz@onevision.com>
243 * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
244 mnemonic in this_param move for TARGET_64BIT.
246 2008-05-04 Uros Bizjak <ubizjak@gmail.com>
248 * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
249 (*strmovsi_rex_1): Ditto.
250 (*strsetsi_1): Ditto.
251 (*strsetsi_rex_1): Ditto.
253 (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
254 adddicc expanders using SWI mode iterator.
256 2008-05-04 H.J. Lu <hongjiu.lu@intel.com>
259 * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
262 2008-05-04 David S. Miller <davem@davemloft.net>
264 * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
265 (sparc*-*-linux*): Use linux.h in tm_file.
266 (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
267 compiler defaulting to 32-bit.
268 (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
270 * config/sparc/linux.h: Remove definitions now obtained
271 properly from linux.h
272 * config/sparc/linux64.h: Likewise.
273 (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
274 don't want this setting for 32-bit builds in a biarch compiler.
275 * doc/install.texi: Add sparc-linux to list of targets
276 supporting --enable-targets=all.
278 2008-05-03 Andrew Pinski <pinskia@gmail.com>
280 * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
282 2008-05-03 H.J. Lu <hongjiu.lu@intel.com>
284 * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
285 after V4SI_FTYPE_V8HI.
286 (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
287 case V4SI_FTYPE_V2DF.
289 2008-05-03 Kenneth Zadeck <zadeck@naturalbridge.com>
291 * doc/invoke.texi (max-flow-memory-locations): Removed.
292 * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
294 2008-05-03 Richard Guenther <rguenther@suse.de>
297 * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
299 2008-05-02 David S. Miller <davem@davemloft.net>
301 * config.gcc (need_64bit_hwint): Document libcpp dependency.
303 2008-05-02 Simon Baldwin <simonb@google.com>
306 * c-common.h (warn_array_subscript_range): Removed.
307 * c-common.c (warn_array_subscript_range): Ditto.
308 * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
309 * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
311 2008-05-02 H.J. Lu <hongjiu.lu@intel.com>
313 * config/i386/i386.c (ix86_special_builtin_type): New.
314 (bdesc_special_args): Likewise.
315 (ix86_expand_special_args_builtin): Likewise.
316 (ix86_init_mmx_sse_builtins): Updated.
317 (ix86_expand_builtin): Updated.
318 (ix86_expand_store_builtin): Removed.
319 (ix86_expand_unop_builtin): Likewise.
321 * config/i386/mm3dnow.h (__v2sf): Moved to ...
322 * config/i386/mmintrin.h (__v2sf): Here.
324 * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
326 (_mm_loadl_pi): Likewise.
327 (_mm_storeh_pi): Replace __v2si with __v2sf.
328 (_mm_storel_pi): Likewise.
330 * doc/extend.texi: Correct __builtin_ia32_loadhps,
331 __builtin_ia32_loadlps, __builtin_ia32_storehps,
332 __builtin_ia32_storelps, __builtin_ia32_loadhpd and
333 __builtin_ia32_loadlpd.
335 2008-05-02 H.J. Lu <hongjiu.lu@intel.com>
337 * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
338 V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
339 (bdesc_args): Updated. Add scalar SSE builtins with vec_merge.
340 (ix86_init_mmx_sse_builtins): Updated.
341 (ix86_expand_args_builtin): Likewise.
342 (ix86_expand_builtin): Likewise.
343 (ix86_expand_unop1_builtin): Renamed to ...
344 (ix86_expand_unop_vec_merge_builtin): This.
346 2008-05-01 Jan Hubicka <jh@suse.cz>
349 * ipa-inline.c (inline_generate_summary): Make static.
350 (inline_transform): Do not call inlining at -O0; make static.
351 * passes.c (execute_todo): Add sanity check.
352 (execute_one_ipa_transform_pass): Execute proper flags.
354 2008-05-01 Eric Botcazou <ebotcazou@adacore.com>
356 * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
357 (DECL_NONADDRESSABLE_P): Likewise.
358 * alias.c (record_component_aliases): Fix comment.
360 2008-05-01 Simon Baldwin <simonb@google.com>
362 * c-common.h (warn_array_subscript_range): New function.
363 * c-common.c (warn_array_subscript_range): Ditto.
364 * tree-vrp.c (check_array_ref): Corrected code to agree with
365 comment, ignoring only arrays of size 0 or size 1.
366 * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
368 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
370 * config/i386/i386.c (ix86_builtin_type): Replace
371 DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
372 (bdesc_args): Updated.
373 (ix86_init_mmx_sse_builtins): Likewise.
374 (ix86_expand_args_builtin): Likewise.
376 * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
379 * doc/extend.texi: Correct __builtin_ia32_palignr.
381 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
384 * config/i386/i386.c (bdesc_crc32): Removed.
385 (ix86_expand_crc32): Likewise.
386 (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
387 V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
388 V2DI2TI_FTYPE_V2DI_V2DI_INT. Add UINT64_FTYPE_UINT64_UINT64,
389 UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
390 UINT_FTYPE_UINT_UCHAR.
391 (bdesc_args): Updated. Add crc32 builtins.
392 (ix86_init_mmx_sse_builtins): Updated.
393 (ix86_expand_args_builtin): Updated to support subreg.
395 * doc/extend.texi: Correct __builtin_ia32_crc32di.
397 2008-05-01 Jan Hubicka <jh@suse.cz>
399 * tree-pass.h (opt_pass): Add IPA_PASS.
400 (varpool_node, cgraph_node): Forward declare.
401 (ipa_opt_pass): Define.
402 (pass_ipa_inline): Turn into ipa_opt_pass.
403 (pass_apply_inline): Remove.
404 * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
405 (apply_inline): Turn into ....
406 (inline_transform): ... this one.
407 (inline_generate_summary): New function.
408 (pass_apply_inline): Remove.
409 * function.h (ipa_opt_pass): Forward declare structure; typedef;
411 (struct function): Add ipa_transforms_to_apply.
412 * passes.c (register_one_dump_file): Work on IPA_PASS.
413 (init_optimization_passes): Remove pass_inline_parameters and
415 (pass_init_dump_file, pass_fini_dump_file): Break out from ....
416 (execute_one_pass) ... here; apply transforms when possible.
417 (add_ipa_transform_pass, execute_ipa_summary_asses,
418 execute_one_ipa_transform_pass): New.
419 (execute_ipa_pass_list): Update for IPA_PASS type.
421 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
423 * config/i386/i386.c (ix86_builtin_type): Add
424 V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
425 V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
426 (bdesc_args): Add SSE4a builtins.
427 (ix86_init_mmx_sse_builtins): Updated.
428 (ix86_expand_args_builtin): Likewise.
429 (ix86_expand_builtin): Likewise.
431 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
433 * config/i386/i386.c (ix86_builtin_type): Add
434 V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
435 V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
436 V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
437 V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
438 V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
439 V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
440 V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
441 V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
442 and DI_FTYPE_DI_DI_INT.
443 (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
444 (ix86_init_mmx_sse_builtins): Updated.
445 (ix86_expand_args_builtin): Likewise.
446 (ix86_expand_builtin): Likewise.
447 (ix86_expand_binop_imm_builtin): Removed.
449 * doc/extend.texi: Correct __builtin_ia32_palignr128.
451 2008-04-30 Richard Guenther <rguenther@suse.de>
453 PR tree-optimization/32921
454 * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
456 2008-04-30 Richard Sandiford <rsandifo@nildram.co.uk>
458 * config/arm/arm.c (arm_unwind_emit): Use
459 crtl->all_throwers_are_sibcalls instead of
460 cfun->all_throwers_are_sibcalls.
461 (arm_output_fn_unwind): Likewise.
462 * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
463 instead of cfun->uses_pic_offset_table.
464 (frv_expand_prologue): Likewise.
465 (frv_frame_pointer_required): Likewise.
466 (frv_expand_fdpic_call): Likewise.
467 (frv_emit_movsi): Likewise.
468 * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
469 cfun->returns_pcc_struct instead of
470 current_function_returns_pcc_struct.
471 * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
472 instead of cfun->calls_eh_return.
473 (m32c_pushm_popm): Likewise.
474 * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
475 "extern" declaration.
477 2008-04-30 Richard Guenther <rguenther@suse.de>
479 PR tree-optimization/21636
480 * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
482 (evaluate_stmt): Print the likely value.
483 (ccp_visit_stmt): Avoid excessive vertical spacing.
485 2008-04-30 Rafael Espindola <espindola@google.com>
487 * builtins.c (fold_call_expr): Return realret.
488 * tree-ssa-threadedge.c
489 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
490 __builtin_object_size.
492 2008-04-30 Seongbae Park <seongbae.park@gmail.com>
494 * gcc.c (wrapper_string): New variable.
495 (insert_wrapper): New function.
496 (execute): New option -wrapper.
497 * doc/invoke.texi (Overall Options): New driver option -wrapper.
499 2008-04-30 Nathan Froyd <froydnj@codesourcery.com>
501 * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
502 config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
503 config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
505 * config/rs6000/crtsavres.asm: ...here. Remove unneeded file.
506 * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
507 config/rs6000/e500crtres64gprctr.asm,
508 config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
509 config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
510 config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
511 config/rs6000/e500crtsav64gprctr.asm,
512 config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
513 config/rs6000/e500crtsavg64gprctr.asm: New files.
514 * config/rs6000/t-ppccomm: Add build rules for new files.
515 (LIB2FUNCS_STATIC_EXTRA): Add new files.
516 * config/rs6000/t-netbsd: Add build rules for new files.
517 (LIB2FUNCS_STATIC_EXTRA): New variable.
518 * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
519 (CRTSAVRES_DEFAULT_SPEC): Likewise.
520 * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
522 2008-04-30 H.J. Lu <hongjiu.lu@intel.com>
524 * config/i386/i386.c (ix86_builtin_type): Add
525 FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
526 V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
527 V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
528 V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
529 V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
530 V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
531 V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
532 V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
533 V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
534 V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
535 V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
536 V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
537 V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
538 V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
539 V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
540 V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
541 V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
542 V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
543 V1DI_FTYPE_V2SI_V2SI.
544 (bdesc_2arg): Moved to ...
546 (ix86_init_mmx_sse_builtins): Updated.
547 (ix86_expand_args_builtin): Updated. Take a pointer
548 to const struct builtin_description. Handle comparison
550 (ix86_expand_sse_compare): Take a new argument for swapping operands.
551 (ix86_expand_builtin): Updated.
553 * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
554 (ssse3_pmaddubsw128): This.
555 (ssse3_pmaddubswv4hi3): Renamed to ...
556 (ssse3_pmaddubsw): This.
558 * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
559 (__builtin_ia32_packssdw128): Likewise.
560 (__builtin_ia32_packuswb128): Likewise.
561 (__builtin_ia32_pmaddubsw): Likewise.
562 (__builtin_ia32_pmaddubsw128): Likewise.
564 2008-04-30 Richard Guenther <rguenther@suse.de>
566 PR tree-optimization/14847
567 * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
568 (recognize_bits_test): Use it.
569 (recognize_single_bit_test): Likewise.
571 2008-04-30 Martin Jambor <mjambor@suse.cz>
573 * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
574 instead of setting number of formal parameters to zero.
575 (ipcp_init_stage): Do not set the number of actual parameters to zero
577 (ipcp_propagate_stage): Explicitly skipping all calls to nodes
578 which are called with variable number of arguments.
579 (ipcp_insert_stage): Explicitely skipping all nodes which are
580 called with variable number of arguments.
581 (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
582 number of parameters.
584 * ipa-prop.h (struct ipa_node_params): Added flag
585 called_with_var_arguments
586 (ipa_set_param_count): Added. Changed sole setter to use it.
587 (ipa_get_param_count): Added. All readers of param_count
588 converted to use it instead.
589 (ipa_set_called_with_variable_arg): Added.
590 (ipa_is_called_with_var_arguments): Added.
591 (ipa_get_ith_param): Added. All readers of param_decls converted
593 (ipa_set_cs_argument_count): Added, sole writer to argument_count
595 (ipa_get_cs_argument_count): Added, all readers of argument_count
597 (ipa_get_ith_jump_func): Added. Accessors of jump values changed
600 * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
601 (struct ipcp_lattice): Renamed cval_type to type
602 (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
604 * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
605 (ipcp_cval_set_cvalue): Changed type of parameter value to tree
606 (ipcp_insert_stage): Changed the type of variable cvalue to tree
607 (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
608 (build_const_val): Changed the type of parameter cvalue to tree
609 (ipcp_propagate_const): Changed the type of parameter cvalue to tree
610 (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
612 * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
615 * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
616 (ipa_methodlist_not_empty): Removed, the sole user now checks directly
617 (ipa_add_method): Renamed to ipa_push_func_to_list
618 (ipa_remove_method): Renamed to ipa_pop_func_from_list
619 (ipa_callsite_param_count): Removed.
620 (ipa_callsite_param_count_set): Removed.
621 (ipa_callsite_param): Removed.
622 (ipa_callsite_callee): Removed.
623 (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
624 (ipa_callsite_compute_count): Renamed to ipa_count_arguments
625 (ipa_method_formal_count): Removed.
626 (ipa_method_formal_count_set): Removed.
627 (ipa_method_get_tree): Removed.
628 (ipa_method_tree_map_create): Removed.
629 (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
630 (ipa_create_param_decls_array): Creates the array itself
631 (ipa_create_param_decls_array): Temporary variable info instead of
633 (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
634 (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
636 (ipa_jf_get_info_type): Removed.
637 (ipa_node_create): Renamed to ipa_create_node_params
638 (ipa_free): Renamed to ipa_free_all_node_params
639 (ipa_nodes_create): Renamed to ipa_create_all_node_params
640 (ipa_edges_create): Renamed to ipa_create_all_edge_args
641 (ipa_edges_free): Renamed to ipa_free_all_edge_args
642 (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
643 (ipa_free_all_node_params): Deallocation to jump_functions moved to
644 ipa_free_all_edge_args
645 (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
646 (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
647 (ipa_create_methodlist_node): Removed.
648 (ipa_methodlist_method): Removed.
649 (ipa_methodlist_method_set): Removed.
650 (ipa_methodlist_next_method): Removed.
651 (ipa_methodlist_next_method_set): Removed.
652 (ipa_method_is_modified): Removed.
653 (ipa_method_modify_create): Removed.
654 (ipa_method_modify_init): Temporary variable info instead of a few
656 (ipa_detect_param_modifications): Temporary variable info instead of
658 (ipa_compute_jump_functions): Temporary variable info instead of
660 (ipa_method_modify_set): Removed.
661 (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
662 (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
663 than craph_node as the first parameter.
664 (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
665 (ipa_method_modify_init): Removed.
666 (ipa_compute_jump_functions): Added a temp variable instead of
667 repeatadly dereferencing the cgraph_edge.aux pointer
668 (ipa_callsite_param_set_type): Removed.
669 (ipa_compute_jump_functions): i renamed to index and moved to
671 (ipa_callsite_param_set_info_type_formal): Removed.
672 (ipa_callsite_param_set_info_type): Removed.
673 (ipa_callsite_param_map_create): Removed.
674 (ipa_callsite_tree): Removed.
675 (ipa_callsite_caller): Removed.
676 (ipa_pop_func_from_list): return_method removed to return_func
678 * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
679 prefixed all values with IPA_. Changed all users.
680 (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
681 CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
682 and FORMAL_IPATYPE IPA_PASS_THROUGH.
683 (union parameter_info): Renamed to jump_func_value.
684 (union jump_func_value): Renamed value to constant
685 (struct ipa_jump_func): Renamed info_type to value
686 (struct ipa_node): Renamed to ipa_node_params
687 (struct ipa_node_params): Renamed ipa_arg_num to param_count
688 (struct ipa_node_params): Renamed ipa_param_tree to param_decls
689 (struct ipa_node_params): Renamed ipa_mod to modified_flags
690 (struct ipa_edge): Renamed to ipa_edge_args
691 (struct ipa_edge_args): Renamed ipa_param_num to argument_count
692 (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
693 (struct ipa_methodlist): Renamed to ipa_func_list
694 (struct ipa_func_list): method_p renamed to node, next_method
696 (ipa_methodlist_p): Removed, switched all users to struct pointer
697 (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
699 2008-04-30 Alan Modra <amodra@bigpond.net.au>
701 * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
702 (rs6000_emit_epilogue): Use backchain to restore only when we
703 have a large frame. Make use of frame pointer to restore if we
704 have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
706 2008-04-29 Paolo Bonzini <bonzini@gnu.org>
708 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
709 Add mode to zero_extract.
710 (sign bit tests peepholes): (Ditto.).
712 2008-04-29 H.J. Lu <hongjiu.lu@intel.com>
714 * config/i386/i386.c (ix86_builtins): Replace Prescott New
715 Instructions in comments with SSE3.
716 (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128,
717 INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
718 INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
719 V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
720 V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
721 V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
722 V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
723 V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
724 V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
725 V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
726 V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
727 V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
728 (bdesc_sse_args): Renamed to ...
729 (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
730 IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
731 IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
733 (bdesc_1arg): Moved to ...
735 (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New
736 Instructions in comments with SSE3.
737 (ix86_expand_sse_operands_builtin): Renamed to ...
738 (ix86_expand_args_builtin): This. Updated.
739 (ix86_expand_unop1_builtin): Update comments.
740 (ix86_expand_builtin): Updated.
742 2008-04-29 Richard Guenther <rguenther@suse.de>
744 PR tree-optimization/36078
745 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
746 Update virtual SSA form after cleaning up the CFG.
748 2008-04-29 Richard Guenther <rguenther@suse.de>
751 * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
753 2008-04-29 Richard Guenther <rguenther@suse.de>
755 * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
756 (compute_may_aliases): Do not call finalize_ref_all_pointers.
757 (compute_flow_insensitive_aliasing): Do not treat
758 PTR_IS_REF_ALL pointers special.
759 (get_smt_for): Likewise.
760 (may_alias_p): Re-structure.
761 (is_escape_site): A ref-all pointer conversion is not an escape site.
762 * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
763 PTR_IS_REF_ALL pointers special.
764 * tree-ssa-structalias.h (struct alias_info): Remove
765 ref_all_symbol_mem_tag field.
766 (PTR_IS_REF_ALL): Remove.
768 2008-04-29 Richard Guenther <rguenther@suse.de>
771 * fold-const.c (extract_muldiv_1): In combining division constants
772 make sure to never overflow.
774 2008-04-29 Nick Clifton <nickc@redhat.com>
776 * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
778 2008-04-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
781 * optc-gen.awk: Work around HP-UX/IA awk bug.
783 2008-04-28 Danny Smith <dannysmith@users.sourceforge.net>
785 * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
788 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
791 * config/i386/i386.md
792 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
793 Change operand 1 predicate to nonimmediate_operand.
795 2008-04-28 Jakub Jelinek <jakub@redhat.com>
798 * dwarf2out.c (struct die_struct): Mark as chain_circular through
800 * gengtype.c (walk_type, write_func_for_structure): Handle
802 * doc/gty.texi: Document chain_circular.
804 2008-04-28 Richard Guenther <rguenther@suse.de>
806 PR tree-optimization/36066
807 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
810 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
813 * config/i386/i386.md
814 (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
815 Use match_scratch instead of match_operand for operands 3 and 4.
817 2008-04-27 Richard Guenther <rguenther@suse.de>
819 PR tree-optimization/18754
820 PR tree-optimization/34223
821 * tree-pass.h (pass_complete_unrolli): Declare.
822 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
823 loop size before and after unconditionally of UL_NO_GROWTH in effect.
824 Rewrite loop into loop closed SSA form if it is not already.
825 (tree_unroll_loops_completely): Re-structure to iterate over
826 innermost loops with intermediate CFG cleanups.
827 Unroll outermost loops only if requested or the code does not grow
829 * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
831 (tree_vectorize): Instead do so here.
832 (tree_complete_unroll): Also unroll outermost loops.
833 (tree_complete_unroll_inner): New function.
834 (gate_tree_complete_unroll_inner): Likewise.
835 (pass_complete_unrolli): New pass.
836 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
837 uses outside of the loop.
838 (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
839 form if it is available.
840 * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
841 * passes.c (init_optimization_passes): Schedule complete inner
842 loop unrolling pass before the first CCP pass after final inlining.
844 2008-04-27 Nathan Sidwell <nathan@codesourcery.com>
846 * targhooks.h (default_emutls_var_fields,
847 default_emutls_var_init): Declare.
848 * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
849 * target.h (struct gcc_target): Add struct emutls member.
850 * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
851 TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
852 TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
853 TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
854 TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
855 TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
856 (TARGET_INITIALIZER): Add TARGET_EMUTLS.
857 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
858 BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
859 * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
860 emit debug information.
861 * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
862 * varasm.c: Include targhooks.h.
863 (emutls_object_section, emutls_tmpl_section): New.
864 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
865 (EMUTLS_SEPARATOR): New.
867 (get_emutls_object_name): New.
868 (default_emutls_var_fields): New, broken out of ...
869 (get_emutls_object_type): ... here. Adjust to use target hooks.
870 (get_emutls_init_templ_addr): Adjust to use target hooks.
871 (emutls_decl): Adjust to use target hooks.
872 (emutls_finish): Likewise.
873 (default_emutls_var_init): New, broken out of ...
874 (assemble_variable): ... here. Adjust to use target hooks.
875 * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
877 * c-common.c (handle_section_attribute): Prevent overriding
878 sections for emulated tls with special sections.
879 * config/i386/i386.c (x86_64_elf_select_section): Add
880 SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
881 (x86_64_elf_unique_section): Likewise.
882 * config/vxworks.c: Include tree.h.
883 (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
884 (vxworks_override_options): Set TLS scheme.
885 * doc/tm.texi (Emulated TLS): New node.
887 2008-04-26 Simon Baldwin <simonb@google.com>
890 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
891 with propagated string constants.
893 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
895 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
896 constraint for operand 2 when operand 0 is memory operand.
897 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
898 operand 0 is memory operand.
899 (fix_trunc<mode>_i387_with_temp): Ditto.
900 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
901 operand 2 when operand 1 is memory operand.
902 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
903 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
904 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
905 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
906 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
907 operands 2,3 and 4 when operand 1 is memory operand.
908 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
910 (fistdi2_floor_with_temp): Ditto.
911 (fist<mode>2_floor_with_temp): Ditto.
912 (fistdi2_ceil_with_temp): Ditto.
913 (fist<mode>2_ceil_with_temp): Ditto.
914 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
916 2008-04-26 David Daney <ddaney@avtrex.com>
918 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
920 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
921 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
922 UNSPEC_UPDATE_GOT_VERSION): Renumber.
923 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
924 (compare_and_swap_12): New insn.
925 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
926 * config/mips/mips.c (mips_force_binary): New function.
927 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
928 (mips_expand_compare_and_swap_12): New function.
929 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
931 2008-04-25 Jan Hubicka <jh@suse.cz>
934 * cfgexpand.c (pass_expand): Turn into RTL pass.
935 * passes.c (execute_one_pass): Do pass typechecking after execution.
936 * tree-pass.h (pass_expand): Turn into RTL pass.
938 * function.h (struct rtl_data): Move here fields
939 accesses_prior_frames, calls_eh_return, saves_all_registers,
940 has_nonlocal_goto, has_asm_statement, is_thunk,
941 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
942 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
943 arg_pointer_save_area_init from struct function; turn into bool.
944 (struct function): Move
945 calls_eh_return, saves_all_registers, has_nonlocal_goto,
946 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
947 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
948 tail_call_emit, arg_pointer_save_area_init
949 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
950 (current_function_returns_struct, current_function_returns_pcc_struct,
951 current_function_calls_setjmp, current_function_calls_alloca,
952 current_function_accesses_prior_frames,
953 current_function_calls_eh_return, current_function_is_thunk,
954 current_function_stdarg, current_function_profile,
955 current_function_limit_stack, current_function_uses_pic_offset_table,
956 current_function_uses_const_pool, current_function_has_nonlocal_label,
957 current_function_saves_all_registers,
958 current_function_has_nonlocal_goto,
959 current_function_has_asm_statement): Remove accesor macros.
960 * ra-conflict.c (global_conflicts): Update.
961 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
962 (suitable_for_tail_call_opt_p): Update.
963 * builtins.c (expand_builtin_return_addr): Update.
964 (expand_builtin_setjmp_setup): Update.
965 (expand_builtin_nonlocal_goto): Update.
966 * final.c (final_start_function): Update.
967 (profile_function): Update.
968 (leaf_function_p): Update.
969 (only_leaf_regs_used): Update.
970 * df-scan.c (df_get_exit_block_use_set): Update.
971 * dojump.c (clear_pending_stack_adjust): Update.
972 * tree-stdarg.c (gate_optimize_stdarg): Update.
973 * gimple-low.c (lower_function_body): Update.
974 * global.c (compute_regsets): Update.
975 (global_alloc): Update.
976 * dwarf2out.c (dwarf2out_begin_prologue): Update.
977 * expr.c (expand_assignment): Update.
978 * dse.c (dse_step0): Update.
980 * c-decl.c (store_parm_decls): Update.
981 * local-alloc.c (combine_regs): Update.
982 (find_free_reg): Update.
983 * function.c (assign_parms_augmented_arg_list): Update.
984 (assign_parm_find_data_types): Update.
985 (assign_parms): Update.
986 (allocate_struct_function): Update.
987 (expand_function_start): Update.
988 (expand_function_end): Update.
989 (get_arg_pointer_save_area): Update.
990 (thread_prologue_and_epilogue_insns): Update.
991 (rest_of_match_asm_constraints): Update.
992 * stor-layout.c (variable_size): Update.
993 * gcse.c (gcse_main): Update.
994 (bypass_jumps): Update.
995 * gimplify.c (gimplify_function_tree): Update.
996 * calls.c (emit_call_1): Update.
997 (expand_call): Update.
998 * bt-load.c (compute_defs_uses_and_gen): Update.
999 * except.c (sjlj_assign_call_site_values): Update.
1000 (sjlj_emit_function_enter): Update.
1001 (can_throw_external): Update.
1002 (set_nothrow_function_flags): Update.
1003 (expand_builtin_unwind_init): Update.
1004 (expand_eh_return): Update.
1005 (convert_to_eh_region_ranges): Update.
1006 (output_function_exception_table): Update.
1007 * emit-rtl.c (gen_tmp_stack_mem): Update.
1008 * cfgexpand.c (expand_used_vars): Update.
1009 (tree_expand_cfg): Update.
1010 * cfgcleanup.c (rest_of_handle_jump): Update.
1011 * explow.c (allocate_dynamic_stack_space): Update.
1012 * varasm.c (assemble_start_function): Update.
1013 (force_const_mem): Update.
1014 (mark_constant_pool): Update.
1015 * tree-optimize.c (tree_rest_of_compilation): Update.
1016 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
1017 * tree-cfg.c (notice_special_calls): Update.
1018 (is_ctrl_altering_stmt): Update.
1019 (tree_can_make_abnormal_goto): Update.
1020 (tree_purge_dead_abnormal_call_edges): Update.
1021 * config/alpha/predicates.md: Update.
1022 * config/alpha/alpha.c (alpha_sa_mask): Update.
1023 (alpha_sa_size): Update.
1024 (alpha_does_function_need_gp): Update.
1025 (alpha_expand_prologue): Update.
1026 (alpha_start_function): Update.
1027 (alpha_output_function_end_prologue): Update.
1028 (alpha_expand_epilogue): Update.
1029 * config/frv/frv.c (frv_stack_info): Update.
1030 (frv_expand_epilogue): Update.
1031 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
1032 (s390_register_info): Update.
1033 (s390_frame_info): Update.
1034 (s390_init_frame_layout): Update.
1035 (s390_can_eliminate): Update.
1036 (save_gprs): Update.
1037 * config/spu/spu.c (spu_split_immediate): Update.
1038 (need_to_save_reg): Update.
1039 (spu_expand_prologue): Update.
1040 (spu_expand_epilogue): Update.
1041 * config/sparc/sparc.md: Update.
1042 * config/sparc/sparc.c (eligible_for_return_delay): Update.
1043 (sparc_tls_got): Update.
1044 (legitimize_pic_address): Update.
1045 (sparc_emit_call_insn): Update.
1046 (sparc_expand_prologue): Update.
1047 (output_return): Update.
1048 (print_operand): Update.
1049 (sparc_function_ok_for_sibcall): Update.
1050 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
1051 * config/m32r/m32r.md: Update.
1052 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
1053 (m32r_compute_frame_size): Update.
1054 (m32r_expand_prologue): Update.
1055 (m32r_expand_epilogue): Update.
1056 (m32r_legitimize_pic_address): Update.
1057 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
1058 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1059 * config/i386/i386.c (ix86_frame_pointer_required): Update.
1061 (ix86_save_reg): Update.
1062 (ix86_compute_frame_layout): Update.
1063 (ix86_expand_prologue): Update.
1064 (ix86_expand_epilogue): Update.
1065 * config/sh/sh.c (output_stack_adjust): Update.
1066 (calc_live_regs): Update.
1067 (sh5_schedule_saves): Update.
1068 (sh_expand_prologue): Update.
1069 (sh_expand_epilogue): Update.
1070 (sh_setup_incoming_varargs): Update.
1071 (sh_allocate_initial_value): Update.
1072 (sh_get_pr_initial_val): Update.
1073 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
1074 * config/sh/sh.md (label:): Update.
1075 * config/avr/avr.c (out_movhi_mr_r): Update.
1076 * config/crx/crx.h (enum): Update.
1077 * config/xtensa/xtensa.h (along): Update.
1078 * config/stormy16/stormy16.c Update.
1079 (xstormy16_compute_stack_layout): Update.
1080 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
1081 (fr30_expand_prologue): Update.
1082 * config/cris/cris.c (cris_conditional_register_usage): Update.
1083 (cris_reg_saved_in_regsave_area): Update.
1084 (cris_initial_frame_pointer_offset): Update.
1085 (cris_simple_epilogue): Update.
1086 (cris_expand_prologue): Update.
1087 (cris_expand_epilogue): Update.
1088 (cris_expand_pic_call_address): Update.
1089 (cris_asm_output_symbol_ref): Update.
1090 (cris_asm_output_label_ref): Update.
1091 * config/cris/cris.md Update.
1092 * config/iq2000/iq2000.c (compute_frame_size): Update.
1093 (iq2000_expand_epilogue): Update.
1094 * config/mt/mt.h (save_direction): Update.
1095 * config/mn10300/mn10300.c (mn10300_function_value): Update.
1096 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1097 (ia64_secondary_reload_class): Update.
1098 * config/m68k/m68k.c (m68k_save_reg): Update.
1099 (m68k_expand_prologue): Update.
1100 (m68k_expand_epilogue): Update.
1101 (legitimize_pic_address): Update.
1102 * config/rs6000/rs6000.c (rs6000_got_register): Update.
1103 (first_reg_to_save): Update.
1104 (first_altivec_reg_to_save): Update.
1105 (compute_vrsave_mask): Update.
1106 (compute_save_world_info): Update.
1107 (rs6000_stack_info): Update.
1108 (spe_func_has_64bit_regs_p): Update.
1109 (rs6000_ra_ever_killed): Update.
1110 (rs6000_emit_eh_reg_restore): Update.
1111 (rs6000_emit_allocate_stack): Update.
1112 (rs6000_emit_prologue): Update.
1113 (rs6000_emit_epilogue): Update.
1114 (rs6000_output_function_epilogue): Update.
1115 (output_profile_hook): Update.
1116 (rs6000_elf_declare_function_name): Update.
1117 * config/rs6000/rs6000.h (rs6000_args): Update.
1118 * config/rs6000/rs6000.md: Update.
1119 * config/mcore/mcore.c (mcore_expand_prolog): Update.
1120 * config/arc/arc.c (arc_output_function_epilogue): Update.
1121 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
1122 * config/darwin.c (machopic_function_base_name): Update.
1123 * config/score/score3.c (score3_compute_frame_size): Update.
1126 (score3_epilogue): Update.
1127 * config/score/score7.c (score7_compute_frame_size): Update.
1128 (score7_prologue): Update.
1129 (score7_epilogue): Update.
1130 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
1131 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1132 * config/arm/arm.c (use_return_insn): Update.
1133 (require_pic_register): Update.
1134 (arm_load_pic_register): Update.
1135 (arm_compute_save_reg0_reg12_mask): Update.
1136 (arm_compute_save_reg_mask): Update.
1137 (thumb1_compute_save_reg_mask): Update.
1138 (output_return_instruction): Update.
1139 (arm_output_function_prologue): Update.
1140 (arm_output_epilogue): Update.
1141 (arm_get_frame_offsets): Update.
1142 (arm_expand_prologue): Update.
1143 (thumb_pushpop): Update.
1144 (thumb_exit): Update.
1145 (thumb1_expand_prologue): Update.
1146 (thumb1_expand_epilogue): Update.
1147 (arm_unwind_emit): Update.
1148 (arm_output_fn_unwind): Update.
1149 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
1150 * config/arm/arm.md: Update.
1151 * config/pa/pa.md: Update.
1152 * config/pa/pa.c (legitimize_pic_address): Update.
1153 (compute_frame_size): Update.
1154 (hppa_expand_prologue): Update.
1155 (hppa_expand_epilogue): Update.
1156 (borx_reg_operand): Update.
1157 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
1158 (HARD_REGNO_RENAME_OK): Update.
1159 * config/mips/mips.c (mips_global_pointer): Update.
1160 (mips_save_reg_p): Update.
1161 (mips_compute_frame_info): Update.
1162 (mips_frame_pointer_required): Update.
1163 (mips_expand_prologue): Update.
1164 (mips_expand_epilogue): Update.
1165 (mips_can_use_return_insn): Update.
1166 (mips_reorg_process_insns): Update.
1167 * config/v850/v850.c (compute_register_save_size): Update.
1168 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
1169 * config/mmix/mmix.c (along): Update.
1170 (mmix_expand_epilogue): Update.
1171 * config/bfin/bfin.c (legitimize_pic_address): Update.
1172 (must_save_p): Update.
1173 (stack_frame_needed_p): Update.
1174 (add_to_reg): Update.
1175 (bfin_expand_prologue): Update.
1176 * stmt.c (expand_asm_operands): Update.
1177 * reload1.c (reload): Update.
1178 (init_elim_table): Update.
1180 2008-04-25 Bob Wilson <bob.wilson@acm.org>
1182 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
1184 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
1186 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
1187 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
1188 (mov<mode>): Removed.
1189 (*movv4sf_internal): Likewise.
1190 (*movv2df_internal): Likewise.
1192 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
1194 * config.gcc (crx-*-elf): Remove deprecation.
1196 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
1198 * config/i386/cygming-crtend.c (register_frame_ctor): Register
1199 __gcc_deregister_frame with atexit.
1200 (deregister_frame_dtor): Remove.
1202 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
1203 Nathan Sidwell <nathan@codesourcery.com>
1205 * config/rs6000/rs6000.opt (mspe): Remove Var property.
1207 * config/rs6000/rs6000.h (rs6000_spe): Declare.
1208 (rs6000_isel): Likewise.
1209 * config/rs6000/rs6000.c (rs6000_spe): New variable.
1210 (rs6000_isel): New variable.
1211 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
1213 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1216 * c-common.c (handle_vector_size_attribute): Call
1217 lang_hooks.types.reconstruct_complex_type instead of
1218 reconstruct_complex_type.
1219 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
1220 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
1221 * langhooks.h (struct lang_hooks_for_types): Add
1222 reconstruct_complex_type hook.
1223 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
1224 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
1226 2008-04-24 Richard Guenther <rguenther@suse.de>
1228 * c-common.h (check_builtin_function_arguments): Declare.
1229 * c-common.c (validate_nargs): New function.
1230 (check_builtin_function_arguments): Likewise.
1231 * c-typeck.c (build_function_call): Call
1232 check_builtin_function_arguments.
1233 * builtins.c (fold_builtin_classify): Remove error reporting code.
1234 (fold_builtin_unordered_cmp): Likewise.
1235 (fold_builtin_1): Likewise.
1236 (fold_builtin_n): Likewise.
1238 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1240 PR tree-optimization/36008
1241 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
1242 the original op1, rather than delta by step.
1244 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
1245 Sebastian Pop <sebastian.pop@amd.com>
1247 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
1248 eliminate_local_variables_stmt, eliminate_local_variables,
1249 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
1250 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
1251 of code delimited by two edges in the CFG.
1252 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
1253 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
1254 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
1255 the case of parallelisation of reductions.
1256 (expr_invariant_in_region_p): New.
1258 * tree-flow.h (gather_blocks_in_sese_region): Declared.
1259 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
1261 2008-04-24 Ira Rosen <irar@il.ibm.com>
1262 Richard Guenther <rguenther@suse.de>
1264 PR tree-optimization/36034
1265 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
1266 incapable of dealing with loads with gaps.
1268 2008-04-24 Rafael Espindola <espindola@google.com>
1270 * tree-flow.h (vrp_evaluate_conditional): Change signature.
1271 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1272 vrp_evaluate_conditional.
1273 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
1274 (vrp_evaluate_conditional): Split the cond argument.
1275 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
1276 (simplify_stmt_for_jump_threading): Update call to
1277 vrp_evaluate_conditional.
1279 2008-04-24 Ira Rosen <irar@il.ibm.com>
1281 PR tree-optimization/35982
1282 * tree-vect-analyze.c (vect_check_interleaving): Check that the
1283 interleaved data-refs are of the same type.
1285 2008-04-24 Danny Smith <dannysmith@users.net>
1287 * c-format.c (check_format_info_main): Use strncmp rather than a
1288 magic prefix to handle multichar length specs.
1289 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
1290 Don't prefix "I64" and "I32" with '\0'.
1292 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1295 * config/i386/i386.c (init_cumulative_args): Don't pass anything
1296 in registers for -m32 only if stdarg_p (fntype).
1298 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
1300 PR rtl-optimization/36006
1301 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
1302 temp to op0 in order to avoid invalid rtx sharing.
1304 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
1306 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
1307 check TREE_INVARIANT.
1308 * tree-gimple.c (is_gimple_address): New.
1309 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
1310 * tree-gimple.h (is_gimple_address): New.
1311 * tree.h (decl_address_invariant_p): New.
1312 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
1313 (build_string): Likewise.
1314 (decl_address_invariant_p): New, from is_gimple_invariant_address.
1315 (tree_invariant_p_1): Likewise.
1316 (save_expr): Use it.
1317 (tree_invariant_p): New.
1318 (skip_simple_arithmetic): Use it.
1319 (stabilize_reference_1): Use it.
1320 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
1322 (build1_stat): Drop code to compute TREE_INVARIANT.
1323 (build2_stat): Drop code to compute TREE_INVARIANT.
1324 (build3_stat): Drop code to compute TREE_INVARIANT.
1325 (build4_stat): Drop code to compute TREE_INVARIANT.
1326 (build5_stat): Drop code to compute TREE_INVARIANT.
1327 (build7_stat): Drop code to compute TREE_INVARIANT.
1328 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
1329 * tree.h (struct tree_base): Remove invariant_flag.
1330 (TREE_INVARIANT): Remove.
1331 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
1332 (fold_builtin_expect): Check TREE_CONSTANT.
1333 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
1334 * c-tree.h (c_expr_to_decl): Drop third parameter.
1335 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
1336 (build_c_cast): Don't set TREE_INVARIANT.
1337 (pop_init_level): Don't set TREE_INVARIANT.
1338 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
1339 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
1341 (gimplify_init_constructor): Don't set TREE_INVARIANT.
1342 (gimplify_addr_expr): Adjust comment.
1343 * tree-mudflap.c (mf_build_string):
1344 * print-tree.c (print_node): Don't print TREE_INVARIANT.
1345 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
1346 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
1347 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
1348 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
1349 * langhooks.h (struct lang_hooks): Drop third parameter from
1352 2008-04-23 Richard Guenther <rguenther@suse.de>
1354 PR tree-optimization/27799
1355 PR tree-optimization/32921
1356 PR tree-optimization/32624
1357 * tree-ssa-structalias.c (merge_smts_into): Only merge the
1358 SMTs aliases and the tag itself into the solution.
1359 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
1360 merge the points-to solution back into the SMT aliases.
1361 (may_alias_p): Use alias_set_subset_of instead of
1362 aliases_conflict_p. A pointer which points to
1363 memory with alias set zero may access any variable.
1365 2008-04-23 Richard Guenther <rguenther@suse.de>
1367 * alias.c (alias_set_subset_of): Correctly handle asking
1368 if zero is a subset of an alias set with zero child.
1369 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
1370 (compute_flow_insensitive_aliasing): Correctly walk all
1371 pointers. Do not unnecessarily union sets.
1373 2008-04-23 Richard Guenther <rguenther@suse.de>
1376 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
1378 2008-04-22 Tomas Bily <tbily@suse.cz>
1380 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
1382 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
1384 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1385 * tree-ssa-structalias.c (get_constraint_for): Likewise.
1386 * tree-inline.c (estimate_num_insns_1): Likewise.
1387 * varasm.c (const_hash_1, compare_constant, copy_constant)
1388 (compute_reloc_for_constant, output_addressed_constants): Likewise.
1389 * emit-rtl.c (component_ref_for_mem_expr)
1390 (set_mem_attributes_minus_bitpos): Likewise.
1391 * expr.c (highest_pow2_factor, expand_expr_real_1, )
1392 (is_aligning_offset): Likewise.
1393 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
1394 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1395 * dojump.c (do_jump): Likewise.
1396 * builtins.c (get_pointer_alignment, get_memory_rtx)
1397 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
1398 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
1400 2008-04-23 Jakub Jelinek <jakub@redhat.com>
1402 PR rtl-optimization/36017
1403 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
1404 expanding the library call.
1406 2008-04-22 Ian Lance Taylor <iant@google.com>
1408 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
1411 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
1413 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
1414 of LR/CTR moves for Power6.
1416 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1419 * passes.c (init_optimization_passes): Remove
1420 pass_fast_rtl_byte_dce.
1422 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
1425 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
1426 builtin functions to generate faster code.
1427 (_mm_cvtpu16_ps): Ditto.
1428 (_mm_cvtpi32x2_ps): Ditto.
1430 2008-04-22 Nick Clifton <nickc@redhat.com>
1432 * common.opt (ftree-loop-distribution): Add Optimization
1435 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
1436 (frv_expand_builtin_va_start): Likewise.
1438 * config/arm/arm.c (thumb_find_work_register): Fix location of
1439 argument register count.
1441 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1443 Support scheduling for ColdFire V1 and V3 microarchitecture.
1444 Improve scheduling of multiplication instructions.
1446 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
1447 (mac): New instruction attribute.
1448 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
1449 (m68k_sched_mac): New variable.
1450 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
1451 Handle cfv1 and cfv3.
1452 (max_insn_size): New static variable.
1453 (struct _sched_ib): New type.
1454 (sched_ib): New static variable.
1455 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
1456 to fields of 'struct _sched_ib sched_ib'. Update all uses.
1457 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
1459 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
1460 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
1461 new variables. Update.
1462 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1463 Add modeling of cfv3 instruction buffer. Update.
1464 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
1465 * config/m68k/m68k.h (TUNE_CFV3): New macro.
1466 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
1467 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
1468 a particular reservation applies to.
1469 (type2): Reorganize attribute values. Rename alu to alu_reg,
1470 alu_l to alu, move_l to omove. Join move to alu. Split mul
1472 (cf_ib_*): Simplify description of instruction buffer.
1473 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
1474 (cf_mem): Split into cf_mem1 and cf_mem2.
1475 (cf_v2_move_??): Rename to cfv12_alu_??.
1476 (cf_v2_move_l_??): Rename to cfv12_omove_??.
1477 (cf_v2_mul_??): Remove reservations.
1478 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
1479 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
1480 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
1482 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
1483 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
1484 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
1485 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
1486 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
1487 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
1488 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
1489 expansions of the above reservations for instructions of sizes
1492 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1494 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
1496 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
1498 * coverage.c: Include tree-pass.h.
1499 (coverage_counter_alloc): Print da_file_name to the dump file.
1501 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1503 * sbitmap.c (sbitmap_range_empty_p): New function.
1504 * sbitmap.h (sbitmap_range_empty_p): New function.
1505 * bitmap.h: Now includes obstack.h.
1507 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
1508 Kenneth Zadeck <zadeck@naturalbridge.com>
1510 * dbgcnt.def (ra_byte_scan): Added.
1511 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
1512 when the last hit happens for a counter.
1513 * timevar.def (TV_DF_BYTE_LR): New variable.
1514 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
1515 * passes.c (pass_fast_rtl_byte_dce): New pass.
1516 * fwprop.c (update_df): Added mode to call df_ref_create.
1517 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1518 DF_REF_EXTRACT_OFFSET.
1519 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
1520 DF_BYTE_LR_OUT, df_byte_lr): New macro.
1522 (df_ref_extract): Added mode field.
1523 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1524 DF_REF_EXTRACT_OFFSET.
1525 (DF_REF_EXTRACT_MODE): New macro.
1526 (df_byte_lr_bb_info): New structure.
1527 (df_print_byte_regset, df_compute_accessed_bytes,
1528 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1529 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1530 df_byte_lr_simulate_uses,
1531 df_byte_lr_simulate_artificial_refs_at_top,
1532 df_byte_lr_simulate_artificial_refs_at_end,
1533 df_compute_accessed_bytes): New function.
1534 (df_ref_create): Add parameter.
1535 (df_byte_lr_get_bb_info): New inline function.
1536 * df-scan.c (df_ref_record, df_uses_record,
1537 df_ref_create_structure): Added mode parameter.
1538 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
1539 df_defs_record, df_uses_record, df_get_conditional_uses,
1540 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
1541 df_entry_block_defs_collect, df_exit_block_uses_collect):
1542 Added mode parameter to calls to df_ref_record, df_uses_record,
1543 df_ref_create_structure.
1544 (df_ref_equal_p, df_ref_compare): Added test for modes.
1545 (df_ref_create_structure): Added code to set mode. Renamed
1546 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1547 DF_REF_EXTRACT_OFFSET.
1548 * df-core.c (df_print_byte_regset): New function.
1549 * df-byte-scan.c: New file.
1550 * df-problems.c (df_rd_transfer_function): Removed unnecessary
1551 calls to BITMAP_FREE.
1552 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1553 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1554 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
1555 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
1556 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1557 df_byte_lr_local_compute, df_byte_lr_init,
1558 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
1559 df_byte_lr_transfer_function, df_byte_lr_free,
1560 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1561 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
1562 df_byte_lr_simulate_uses,
1563 df_byte_lr_simulate_artificial_refs_at_top,
1564 df_byte_lr_simulate_artificial_refs_at_end): New function.
1565 * dce.c (byte_dce_process_block): New function.
1566 (dce_process_block): au is now passed in rather than computed
1567 locally. Changed loops that look at artificial defs to not look
1568 for conditional or partial ones, because there never are any.
1569 (fast_dce): Now is able to drive byte_dce_process_block or
1570 dce_process_block depending on the kind of dce being done.
1571 (rest_of_handle_fast_dce): Add parameter to fast_dce.
1572 (rest_of_handle_fast_byte_dce): New function.
1573 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1574 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1576 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
1579 * gcc.h: Added fortran options that take arguments to
1580 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1583 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
1585 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1586 scalarization if on the LHS and not a full access.
1588 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1590 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1592 2008-04-18 Rafael Espindola <espindola@google.com>
1594 * tree-vrp.c (find_case_label_index): Fix the binary search.
1595 (find_case_label_range): New.
1596 (vrp_visit_switch_stmt): Use find_case_label_range.
1597 (simplify_switch_using_ranges): Use find_case_label_range.
1599 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
1601 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1602 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1604 2008-04-18 Tom Tromey <tromey@redhat.com>
1607 * doc/cpp.texi (Implementation-defined behavior): Mention
1610 2008-04-18 Ian Lance Taylor <iant@google.com>
1612 * fold-const.c (pointer_may_wrap_p): New static function.
1613 (fold_comparison): Add another test for pointer overflow. Use
1614 pointer_may_wrap_p to disable some false positives.
1616 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
1618 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1619 (fname_as_string): Match updated cpp_interpret_string prototype.
1620 (fix_string_type): Support char16_t* and char32_t*.
1621 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1622 derivative) nodes. Register as builtin if C++0x.
1623 (c_parse_error): Support CPP_CHAR{16,32}.
1624 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
1625 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1626 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1627 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1628 CTI_CHAR32_ARRAY_TYPE>: New elements.
1629 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1630 char32_type_node, signed_char32_type_node, char16_array_type_node,
1631 char32_array_type_node): New defines.
1632 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1633 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1634 (lex_string): Support CPP_STRING{16,32}, match updated
1635 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1636 (lex_charconst): Support CPP_CHAR{16,32}.
1637 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1638 and CPP_STRING{16,32}.
1640 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
1643 * aclocal.m4: Regenerate.
1644 * configure: Regenerate.
1646 2008-04-18 Jan Hubicka <jh@suse.cz>
1648 * except.c (dw2_size_of_call_site_table,
1649 sjlj_size_of_call_site_table): Use vector API for call_site_record.
1651 * cgraphbuild.c (build_cgraph_edges): Update.
1652 * tree-pass.h: Update comment.
1653 * final.c (leaf_function_p): Update.
1654 (leaf_renumber_regs): Update.
1655 (rest_of_clean_state): Update.
1656 * omp-low.c (expand_omp_parallel): Update.
1657 * ipa-reference.c (analyze_function): Update.
1658 * reorg.c (find_end_label): Update.
1659 (optimize_skip): Update.
1660 (fill_simple_delay_slots): Update.
1661 (fill_simple_delay_slots): Update.
1662 (make_return_insns): Update.
1663 (dbr_schedule): Update.
1664 * gimple-low.c (record_vars_into): Update.
1665 * cfgbuild.c (make_edges): Update.
1666 * function.c (assign_stack_local): Update.
1667 (assign_parm_adjust_stack_rtl): Update.
1668 (locate_and_pad_parm): Update.
1669 (allocate_struct_function): Do not initialize stack_alignment_needed
1670 and preferred_stack_boundary here.
1671 (stack_protect_prologue): Update.
1672 (stack_protect_epilogue): Update.
1673 (expand_function_start): Initialize stack_alignment_needed,
1674 preferred_stack_boundary and max_jumptable_ents.
1675 (expand_function_end): Update.
1676 (free_after_compilation): Do not NULLify epilogue_delay_list.
1677 * function.h (struct rtl_data): Add stack_protect_guard,
1678 stack_alignment_needed,
1679 preferred_stack_boundary, epilogue_delay_list.
1680 (struct function): Remove value_histograms, stack_alignment_needed,
1681 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1683 unexpanded_var_list, stack_protect_guard.
1684 (current_function_epilogue_delay_list): Remove.
1685 * ipa-type-escape.c (analyze_function): Update.
1686 * gimplify.c (pop_gimplify_context): Update comment.
1687 * calls.c (expand_call): Update.
1688 (emit_library_call_value_1): Update.
1689 * except.c (set_nothrow_function_flags): Update.
1690 * cfgexpand.c (get_decl_align_unit): Update.
1691 (create_stack_guard): Update.
1692 (estimated_stack_frame_size): Update.
1693 (expand_used_vars): Update.
1694 (tree_expand_cfg): Free histogram earliers, init expansion variables.
1695 * explow.c (allocate_dynamic_stack_space): Update.
1696 * tree-ssa-live.c (remove_unused_locals): Update.
1697 * varasm.c (mark_constant_pool): Update.
1698 * tree-inline.c (remap_decls): Update.
1699 (initialize_cfun): Update.
1700 (declare_return_variable): Update.
1701 (inline_forbidden_p): Update.
1702 (expand_call_inline): Update.
1703 (declare_inline_vars): Update.
1704 (tree_function_versioning): Update.
1705 * tree-flow.h (value_histograms): New.
1706 (VALUE_HISTOGRAMS): New macro.
1707 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1709 * tree-cfg.c (set_bb_for_stmt): Update.
1710 (replace_by_duplicate_decl): Update.
1711 (move_block_to_fn): Update.
1712 (new_label_mapper): Update.
1713 (dump_function_to_file): Update.
1714 * ipa-struct-reorg.c (build_data_structure): Update.
1715 * cfgrtl.c (print_rtl_with_bb): Update.
1716 * reload1.c (reload): Update.
1718 * config/i386/i386.c (setup_incoming_varargs_64,
1719 ix86_compute_frame_layout): Update.
1720 * config/arc/arc.c (arc_output_function_epilogue): Update.
1722 2008-04-18 Marius Strobl <marius@FreeBSD.org>
1724 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1725 for FreeBSD as well.
1726 * gthr-posix95.h: Likewise.
1728 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
1730 PR rtl-optimization/35838
1731 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1732 out the byte offset of the first subreg.
1734 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
1736 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1737 to split_ti instead of three separate calls with single member arrays.
1738 (subti3 splitter): Ditto.
1739 (adddi3 splitter): Ditto with split_di.
1740 (subdi3 splitter): Ditto.
1741 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1742 two separate calls with single member arrays. Swap match_dup
1743 operands 1 and 2 to better fit into the array.
1744 (negdi2 splitter): Ditto with split_di.
1745 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
1746 two separate calls with single member arrays. Swap match_dup operands
1747 6 and 7 to better fit into the array.
1749 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
1751 * config/i386/i386.c (sse_builtin_type): New.
1752 (bdesc_sse_args): Likewise.
1753 (bdesc_sse_3arg): Removed.
1754 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1755 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1756 IX86_BUILTIN_ROUNDPS.
1757 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
1758 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
1759 IX86_BUILTIN_ROUNDPS.
1760 (ix86_expand_sse_4_operands_builtin): Removed.
1761 (ix86_expand_sse_operands_builtin): New.
1762 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1763 and CODE_FOR_sse4_1_roundps.
1764 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1765 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
1767 2008-04-17 Alan Modra <amodra@bigpond.net.au>
1770 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1771 regs before frame pop when needed. If use_backchain_to_restore_sp
1772 then load backchain into a temp reg to restore vr and vrsave. Add
1773 code to restore vr after frame pop if possible.
1775 2008-04-17 Richard Guenther <rguenther@suse.de>
1777 * tree-vn.c (expressions_equal_p): Do not check type
1778 equality or compatibility before calling operand_equal_p.
1779 * fold-const.c (operand_equal_p): Check equivalence of
1780 integer constants before bailing out due to signedness or
1781 precision differences.
1782 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1783 spurious differences in type qualification. Ignore types
1784 for COMPONENT_REFs at all.
1786 2008-04-17 Christian Bruel <christian.bruel@st.com>
1788 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1789 msw_skip comparison.
1791 2008-04-16 Jakub Jelinek <jakub@redhat.com>
1794 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1797 PR tree-optimization/35899
1798 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1799 rather than TREE_OPERAND.
1801 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
1804 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1805 temporary registers. Change operand predicate to general_operand.
1806 (remainderxf3): Ditto.
1808 2008-04-16 Richard Guenther <rguenther@suse.de>
1810 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1811 * tree-affine.c (aff_combination_expand): Look through some
1814 2008-04-15 Doug Kwan <dougkwan@google.com>
1816 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1818 * tree-pretty-print.c (dump_generic_node): Ditto.
1819 * final.c (output_addr_const): Ditto.
1820 * dwarf2out.c (output_cfi): Ditto.
1821 * c-pretty-print.c (pp_c_integer_constant): Ditto.
1822 * print-rtl.c (print_rtx): Ditto.
1823 * print-tree.c (print_node_brief, print_node): Ditto.
1824 * c-common.c (match_case_to_enum_1): Ditto.
1825 * sched-vis.c (print_value): Ditto.
1826 * config/i386/i386.c (print_operand): Cast to long unsigned int
1829 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
1830 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
1831 MS Windows VirtualProtect function.
1833 2008-04-15 Jan Hubicka <jh@suse.cz>
1835 * gengtype.c (write_root): Param_is argument is OK.
1836 * expr.c (expand_expr_real_1): Update call of get_exception_*.
1837 * function.h: Include varray.h
1838 (rtl_eh): New stucture based on except.c one.
1839 (call_site_record): New forward declaration and vector type.
1840 * calls.c (emit_call_1): Do not call
1841 note_current_region_may_contain_throw.
1842 * except.c (eh_status): Remove cur_region, try_region since they are
1844 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1845 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1846 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
1847 Remove call_site_data_used, call_site_data_size.
1848 Turn call_site_record into vector in function.h.
1849 (note_current_region_may_contain_throw): Remove.
1850 (get_exception_pointer, get_exception_filter): Do not take struct
1851 function argument; update.
1852 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1853 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1854 build_post_landing_pads, dw2_build_landing_pads,
1855 sjlj_assign_call_site_values, sjlj_mark_call_sites,
1856 sjlj_emit_function_enter, sjlj_emit_function_enter,
1857 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1858 sjlj_build_landing_pads, finish_eh_generation,
1859 remove_exception_handler_label, remove_eh_handler,
1860 maybe_remove_eh_handler, add_reachable_handler,
1861 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1862 add_action_record, collect_one_action_chain, add_call_site,
1863 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1864 sjlj_output_call_site_table, output_function_exception_table,
1865 * except.h (note_current_region_may_contain_throw): Remove
1866 (get_exception_pointer, get_exception_filter): Do not take struct
1868 * Makefile.in (GTFILES): Put varargs before struct function.
1870 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1872 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1873 punt for STRING_CST.
1874 (get_constraint_for): Deal with STRING_CST here instead.
1876 2008-04-15 Richard Guenther <rguenther@suse.de>
1878 * tree-ssa-propagate.c (substitute_and_fold): Substitute
1879 statements in a basic-block with a backward walk. Do not
1880 substitute into dead statements but instead remove those.
1882 2008-04-15 Richard Guenther <rguenther@suse.de>
1884 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1885 to zero, thus disable creation of SFTs.
1887 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1889 * tree-predcom.c (suitable_reference_p): Return false if the
1890 reference can throw.
1892 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1895 * c-decl.c (finish_decl): If extern or static var has variable
1896 size, set TREE_TYPE (decl) to error_mark_node.
1898 2008-04-15 Rafael Espindola <espindola@google.com>
1900 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1903 2008-04-15 Richard Guenther <rguenther@suse.de>
1905 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1906 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1907 (visit_reference_op_load): Do walk vuse-vdef chains on
1908 vn_reference_lookup.
1909 (visit_reference_op_store): But do not here.
1910 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1911 vn_reference_lookup.
1912 (vn_lookup_with_vuses): But do so here.
1914 2008-04-14 Ian Lance Taylor <iant@google.com>
1916 * fold-const.c (fold_overflow_warning): Remove assertion.
1918 2008-04-15 Ben Elliston <bje@au.ibm.com>
1920 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1921 temp1 local variables.
1923 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1926 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1927 ".text.unlikely" section as executable.
1929 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1931 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1932 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1933 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1934 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1935 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1936 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1937 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1939 2008-04-14 Ian Lance Taylor <iant@google.com>
1941 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1942 * fold-const.c (fold_comparison): If appropriate, test
1943 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1944 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1945 reassociating a pointer type.
1946 * doc/invoke.texi (Optimize Options): Document that
1947 -fstrict-overflow applies to pointer wraparound.
1949 2008-04-13 Jan Hubicka <jh@suse.cz>
1951 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1953 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1955 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1956 we are going to "save the world".
1958 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1960 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1961 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1962 operand 0 constraint, not "=".
1964 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1966 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1968 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1970 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1971 of size of positions_needed * CHAR_BIT.
1973 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1976 * dse.c (store_info): Change positions_needed to unsigned
1978 (lowpart_bitmask): New.
1979 (record_store): Cast to unsigned HOST_WIDE_INT for
1980 positions_needed. Assert width <= size of positions_needed *
1981 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1982 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1983 lowpart_bitmask to set mask.
1985 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1987 * config/bfin/constraints.md: New file.
1988 * config/bfin/bfin.md: Include it.
1989 (adddi3): Use satisfies_constraint functions instead of the old macros.
1990 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1991 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1992 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1993 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1994 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1995 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1996 EXTRA_CONSTRAINT): Delete.
1997 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1998 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
2000 * config/bfin/bfin.c: Include "tm-constrs.h".
2001 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
2002 Use satisfies_constraint functions instead of the old macros.
2003 * doc/md.texi (Blackfin Constraints): Update file name reference.
2005 2008-04-11 Richard Guenther <rguenther@suse.de>
2007 PR tree-optimization/35869
2008 * tree-vrp.c (execute_vrp): Move switch statement update after
2009 jump threading. Schedule another cfg cleanup run.
2011 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
2014 * attribs.c (decl_attributes): Return early on errorneous node.
2016 2008-04-10 Oleg Ryjkov <olegr@google.com>
2018 * tree.h (struct tree_base): Added a new flag default_def_flag.
2019 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
2021 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
2023 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
2025 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2028 * pa.md: Define mode iterator P. Define mode attribute dwc.
2029 (dcacheflush): Update pattern to use iterator P and attribute dwc.
2030 (icacheflush): Likewise.
2031 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
2032 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
2034 2008-04-11 Ben Elliston <bje@au.ibm.com>
2036 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
2038 2008-04-10 Rafael Espindola <espindola@google.com>
2040 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
2041 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
2042 (extract_range_from_expr): The same.
2044 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
2046 * config/mips/mips.md (GPR2): New mode iterator.
2048 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
2049 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
2050 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
2051 Rewrite these to take two modes, the mode of comparison and the
2052 mode of the destination.
2053 * config/mips/mips.c (mips_expand_scc): Instead of having
2054 paradoxical subreg as destination, expand "narrowing" scc if mode
2055 of comparison is SI and target is requested in DI mode.
2056 (mips_emit_int_order_test): Update comment. Make mode of
2057 comparison match CMP0 rather than TARGET. When creating inverse
2058 target use mode of TARGET.
2060 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
2062 * gcov-dump.c (tag_summary): Only print summaries for the first
2063 GCOV_COUNTERS_SUMMABLE counters.
2065 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
2067 * config/i386/i386.md (absneg): New code iterator.
2068 (absnegprefix): New code attribute.
2069 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
2070 patterns using absneg code iterator.
2071 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
2072 using absneg code iterator.
2073 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
2074 *neg<mode>2 patterns using absneg code iterator.
2075 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2076 *negextendsfdf2 patterns using absneg code iterator.
2077 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
2078 *negextendsfxf2 patterns using absneg code iterator.
2079 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
2080 *negextendsfdf2 patterns using absneg code iterator.
2081 * config/i386/sse.md (<code><mode>2): Macroize expander from
2082 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
2084 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
2086 * config/s390/s390.h: Remove the remains of the recent search
2087 & replace action of current_function_outgoing_args_size.
2089 2008-04-10 Ira Rosen <irar@il.ibm.com>
2091 PR tree-optimization/35821
2092 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
2093 NEW_STMT_LIST is not NULL.
2095 2008-04-09 David Edelsohn <edelsohn@gnu.org>
2098 * toplev.c (process_options): Remove -ffunction-sections debugging
2101 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
2103 PR middle-end/PR28690
2104 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
2105 than gen_rtx_fmt_ee to perform more canonicalizations.
2107 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2110 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
2112 2008-04-09 Richard Guenther <rguenther@suse.de>
2114 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
2115 (dump_function_to_file): Dump function arguments with types.
2117 2008-04-08 Richard Guenther <rguenther@suse.de>
2119 * fold-const.c (fold_widened_comparison): Do not allow
2120 sign-changes that change the result.
2122 2008-04-08 Janis Johnson <janis187@us.ibm.com>
2125 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
2126 kinds of indirect references.
2128 2008-04-08 David Edelsohn <edelsohn@gnu.org>
2130 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
2131 GNU Fortran language string.
2133 2008-04-08 Rafael Espindola <espindola@google.com>
2135 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
2136 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
2137 * tree.h (tree_call_nonnegative_warnv_p): New.
2139 2008-04-08 Jan Hubicka <jh@suse.cz>
2141 * function.c (free_after_compilation): Clear out regno_reg_rtx
2144 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
2147 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
2149 PR middle-end/PR28690
2150 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
2151 same precedence as REG_POINTER and MEM_POINTER operands.
2153 2008-04-08 Richard Guenther <rguenther@suse.de>
2156 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
2157 for adding index to base.
2159 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
2161 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
2162 (MINGW_ENABLE_EXECUTE_STACK): New.
2163 (IN_LIBGCC2): For libgcc include windows.h file for
2164 function declarations.
2166 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
2168 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
2169 and tem2 if tem1 is not a REG or MULT.
2171 2008-04-08 Jan Hubicka <jh@suse.cz>
2173 * function.h (incomming_args): Break out of struct function.
2174 (function_subsections): Break out of struct function.
2175 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
2176 return_rtx and hard_reg_initial_vals from struct function.
2177 Kill inl_max_label_num.
2178 (current_function_pops_args, current_function_args_info,
2179 current_function_args_size, current_function_args_size,
2180 current_function_pretend_args_size,
2181 current_function_outgoing_args_size,
2182 current_function_internal_arg_pointer, current_function_return_rtx):
2183 Kill compatibility accestor macros.
2184 * builtins.c (expand_builtin_apply_args_1): Update.
2185 (expand_builtin_next_arg): Update.
2186 * df-scan.c (df_get_call_refs): Update.
2187 * dbxout.c (dbxout_function_end): Update.
2188 * dwarf2out.c (dwarf2out_switch_text_section): Update.
2189 (output_line_info): Update.
2190 (secname_for_decl): Update.
2191 (dwarf2out_var_location): Update.
2192 * function.c (free_after_compilation): Update.
2193 (assign_parm_find_stack_rtl): Update.
2194 (assign_parms): Update.
2195 (expand_dummy_function_end): Update.
2196 (expand_function_end): Update.
2197 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
2198 (expand_call): Update.
2199 (emit_library_call_value_1): Update.
2200 (store_one_arg): Update.
2201 * varasm.c (initialize_cold_section_name): Update.
2202 (unlikely_text_section): Update.
2203 (unlikely_text_section_p): Update.
2204 (assemble_start_function): Update.
2205 (assemble_end_function): Update.
2206 (default_section_type_flags): Update.
2207 (switch_to_section): Update.
2208 * integrate.c (set_decl_abstract_flags): Update.
2209 (get_hard_reg_initial_val): Update.
2210 (has_hard_reg_initial_val): Update.
2211 (allocate_initial_values): Update.
2212 * resource.c (init_resource_info): Update.
2213 * config/alpha/alpha.c (NUM_ARGS): Update.
2214 (direct_return): Update.
2215 (alpha_va_start): Update.
2216 (alpha_sa_size): Update.
2217 (alpha_initial_elimination_offset): Update.
2218 (alpha_expand_prologue): Update.
2219 (alpha_start_function): Update.
2220 (alpha_expand_epilogue): Update.
2221 (unicosmk_initial_elimination_offset):
2222 * config/alpha/alpha.md (call expander): Update.
2223 * config/s390/s390.c (s390_register_info): Update.
2224 (s390_register_info): Update.
2225 (s390_frame_info): Update.
2226 (s390_initial_elimination_offset): Update.
2227 (s390_build_builtin_va_list): Update.
2228 (s390_va_start): Update.
2229 * config/spu/spu.c (direct_return): Update.
2230 (spu_expand_prologue): Update.
2231 (spu_initial_elimination_offset): Update.
2232 (spu_build_builtin_va_list): Update.
2233 (spu_va_start): Update.
2234 * config/sparc/sparc.c (sparc_init_modes): Update.
2235 (sparc_compute_frame_size): Update.
2236 (function_value): Update.
2237 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
2238 * config/i386/i386.md (return expander): Update.
2239 * config/i386/i386.c (ix86_va_start): Update.
2240 (ix86_can_use_return_insn_p): Update.
2241 (ix86_compute_frame_layout): Update.
2242 (ix86_expand_epilogue): Update.
2243 * config/sh/sh.c (output_stack_adjust): Update.
2244 (calc_live_regs): Update.
2245 (sh_expand_prologue): Update.
2246 (sh_builtin_saveregs): Update.
2247 (sh_va_start): Update.
2248 (initial_elimination_offset): Update.
2249 (sh_allocate_initial_value): Update.
2250 (sh_function_ok_for_sibcall): Update.
2251 (sh_get_pr_initial_val): Update.
2252 * config/sh/sh.md (return expander): Update.
2253 * config/avr/avr.c (frame_pointer_required_p): UPdate.
2254 * config/crx/crx.c (crx_compute_frame): UPdate.
2255 (crx_initial_elimination_offset): UPdate.
2256 * config/xtensa/xtensa.c (compute_frame_size): Update
2257 (xtensa_builtin_saveregs): Update.
2258 (xtensa_va_start): Update.
2259 (order_regs_for_local_alloc): Update.
2260 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
2261 (xstormy16_expand_builtin_va_start): Update.
2262 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
2263 * config/m68hc11/m68hc11.md (return expanders): Update.
2264 * config/m68hc11/m68hc11.c (expand_prologue): Update.
2265 (expand_epilogue): Update.
2266 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
2267 (cris_simple_epilogue): Update.
2268 (cris_expand_prologue): Update.
2269 (cris_expand_epilogue): Update.
2270 * config/iq2000/iq2000.c (iq2000_va_start): Update.
2271 (compute_frame_size): Update.
2272 * config/mt/mt.c (mt_compute_frame_size): Update.
2273 * config/mn10300/mn10300.c (expand_prologue): Update.
2274 (expand_epilogue): Update.
2275 (initial_offset): Update.
2276 (mn10300_builtin_saveregs):
2277 * config/mn10300/mn10300.md (return expander): Update.
2278 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2279 (ia64_initial_elimination_offset): Update.
2280 (ia64_initial_elimination_offset): Update.
2281 (ia64_expand_prologue): Update.
2282 * config/m68k/m68k.md (return expander): Update.
2283 * config/rs6000/rs6000.c (rs6000_va_start): Update.
2284 (rs6000_stack_info): Update.
2285 * config/mcore/mcore.c (layout_mcore_frame): Update.
2286 (mcore_expand_prolog): Update.
2287 * config/arc/arc.c (arc_compute_frame_size): Update.
2288 * config/score/score3.c (score3_compute_frame_size): Update.
2289 * config/score/score7.c (score7_compute_frame_size): Update.
2290 * config/arm/arm.c (use_return_insn): Update.
2291 (thumb_find_work_register): Update.
2292 (arm_compute_save_reg_mask): Update.
2293 (arm_output_function_prologue): Update.
2294 (arm_output_epilogue): Update.
2295 (arm_size_return_regs): Update.
2296 (arm_get_frame_offsets): Update.
2297 (arm_expand_prologue): Update.
2298 (thumb_exit): Update.
2299 (thumb_unexpanded_epilogue): Update.
2300 (thumb1_output_function_prologue): Update.
2301 * config/pa/pa.md (return expander): Update.
2302 * config/pa/pa.c (compute_frame_size): Update.
2303 (hppa_builtin_saveregs): Update.
2304 * config/mips/mips.c (mips_va_start): Update.
2305 (mips16_build_function_stub): Update.
2306 (mips_compute_frame_info): Update.
2307 (mips_restore_gp): Update.
2308 (mips_output_function_prologue): Update.
2309 (mips_expand_prologue): Update.
2310 * config/v850/v850.c (compute_frame_size): Update.
2311 (expand_prologue): * config/mmix/mmix.c (along): update.
2312 (mmix_initial_elimination_offset): update.
2313 (mmix_reorg): update.
2314 (mmix_use_simple_return): update.
2315 (mmix_expand_prologue): update.
2316 (mmix_expand_epilogue): Update.
2317 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
2318 (emit_link_insn): Update.
2320 2008-04-08 Anatoly Sokolov <aesok@post.ru>
2322 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
2323 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
2325 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
2328 2008-04-07 Jan Hubicka <jh@suse.cz>
2330 * function.h (rtl): Rename to x_rtl.
2332 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2333 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2334 used_temp_slots avail_temp_slots, temp_slot_level,
2335 nonlocal_goto_handler_labels): Update accesstors.
2336 (rtl): New global variable.
2337 (struct function): Move some fileds to rtl_data.
2338 (get_arg_pointer_save_area): Update prototype.
2339 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2340 get_arg_pointer_save_area.
2341 * expr.c (init_expr): Update
2342 * function.c (get_frame_size): Update
2343 (assign_stack_local): Update
2344 (expand_function_end): Update.
2345 (get_art_pointer_save_area): Update
2347 * emit-rtl.c (rtl): Declare.
2348 (regno_reg_rtx): Declare.
2349 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2351 (gen_reg_rtx): Update.
2352 * varasm.c (n_deferred_constatns): Update accestor.
2353 (init_varasm_status): Do not allocate varasm_status.
2354 (force_const_mem, get_pool_size, output_constant_pool): Update.
2355 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2356 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2357 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
2358 * sparc/sparc.h (INIT_EXPANDERS): Update.
2359 * ia64/ia64.h (INIT_EXPANDERS): Update.
2361 2008-04-07 James E. Wilson <wilson@tuliptree.org>
2363 * reload.c (push_secondary_reload): Add missing break to for loop.
2365 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
2367 PR middle-end/PR28690
2368 * rtlanal.c: Update copyright years.
2369 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
2370 as REG_POINTER and MEM_POINTER operands.
2371 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
2372 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
2373 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
2374 * gcse.c: Update copyright years.
2375 (pre_delete): Call gen_reg_rtx_and_attrs.
2376 (hoist_code): Likewise.
2377 (build_store_vectors): Likewise.
2378 (delete_store): Likewise.
2379 * loop-invariant.c (move_invariant_reg): Likewise.
2380 Update copyright years.
2382 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
2384 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
2385 control string instead of quoted.
2387 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2389 * doc/rtl.texi: Rewrite of subreg section.
2391 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
2394 * config/i386/i386.c (legitimize_pic_address): Add treating
2395 of dllimport SYM_REF's.
2396 (legitimize_dllimport_symbol): Add prototype.
2398 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
2400 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
2401 reference in constructor with non self-referential type.
2403 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
2405 Removal of Return with Depressed Stack Pointer support
2406 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
2407 (ECF_SP_DEPRESSED): Likewise.
2408 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
2409 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
2410 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2411 (expand_call): Do not test ECF_SP_DEPRESSED.
2412 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2413 * function.c (keep_stack_depressed): Delete.
2414 (handle_epilogue_set): Likewise.
2415 (update_epilogue_consts): Likewise.
2416 (emit_equiv_load): Likewise.
2417 (thread_prologue_and_epilogue_insns): Remove support for Return with
2418 Depressed Stack Pointer.
2419 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2421 2008-04-06 Richard Guenther <rguenther@suse.de>
2423 PR tree-optimization/35400
2424 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
2425 information from SSA_NAMEs.
2427 2008-04-06 Anatoly Sokolov <aesok@post.ru>
2429 * config/avr/avr.h (avr_mega_p): Remove declaration.
2430 (AVR_MEGA): Remove macro.
2431 * config/avr/avr.c (avr_mega_p): Remove variable.
2432 (avr_override_options): Remove inicializion of avr_mega_p.
2433 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2434 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2435 (avr_jump_mode): (Ditto.).
2436 (avr_output_progmem_section_asm_op): (Ditto.).
2437 (avr_asm_init_sections): (Ditto.).
2438 (avr_asm_init_sections): (Ditto.).
2439 (avr_rtx_costs): (Ditto.).
2440 * config/avr/avr.md: (Ditto.).
2441 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
2444 2008-04-06 Richard Guenther <rguenther@suse.de>
2446 PR tree-optimization/35842
2447 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
2448 is_gimple_invariant_address.
2450 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2452 * gcc.c (default_compilers): Sync Fortran extensions list with
2453 that in fortran/lang-specs.h.
2454 * doc/invoke.texi: Likewise.
2455 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
2456 * dwarf2out.c (gen_compile_unit_die): Likewise.
2458 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
2460 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
2462 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
2465 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
2466 attribute is used for nested functions.
2468 2008-04-05 Jan Hubicka <jh@suse.cz>
2470 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
2472 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
2474 (dump_files): Update.
2475 (enable_rtl_dump_file): Do not accept letter argument.
2476 * tree-pass.h (dump_file_info): Remove letter argument.
2477 * toplev.c (decode_d_option): Update -da handling.
2478 * toplev.h (enable_rtl_dump_file): Update prototype.
2479 * passes.c (register_one_dump_file): Do not accept IPA argument; work
2480 it out based on pass type.
2481 (register_dump_files_1): Likewise.
2482 (init_optimization_passes): Update register_one_dump_file calls.
2483 (execute_one_pass): Sanity check that IPA passes are called at IPA
2484 level and RTL passes at RTL level.
2485 (execute_pass_list): IPA pass can not be after or subpass of
2487 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
2488 disallov RTL subpasses of IPA subpasses.
2490 2008-04-05 Ben Elliston <bje@au.ibm.com>
2492 * tree-cfg.c (need_fake_edge_p): Return false for calls to
2493 builtins that return exactly once and do not throw. Cache call to
2496 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
2498 PR rtl-optimization/34916
2500 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
2501 between instruction pairs.
2503 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
2505 * doc/invoke.texi: Document -mbitops for SH.
2506 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
2507 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
2508 * config/sh/sh.c (print_operand): Add %t operand code.
2509 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
2510 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
2511 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
2512 (extendqihi2): Likewise.
2513 (movqi_i): Likewise.
2514 (insv): Use bset, bclr and bst instructions for SH2A if possible.
2515 (extv): Use bld instruction for SH2A if possible.
2517 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2518 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2519 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2520 (bset.b, bclr.b): Define peepholes.
2521 * config/sh/sh.opt (mbitops): New option.
2523 2008-04-04 Janis Johnson <janis187@us.ibm.com>
2526 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2527 and view convert expression.
2529 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2532 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2534 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
2536 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2538 * config/i386/cpuid.h (bit_AES): New.
2539 (bit_PCLMUL): Likewise.
2541 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2542 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
2543 SSE2 if AES or PCLMUL is enabled.
2544 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2545 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2546 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2547 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2548 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2549 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2550 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2551 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2552 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2553 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2554 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2555 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2556 __builtin_ia32_aeskeygenassist128 and
2557 __builtin_ia32_pclmulqdq128.
2558 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2559 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2560 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
2562 * config/i386/i386.h (TARGET_AES): New.
2563 (TARGET_PCLMUL): Likewise.
2564 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2566 * config/i386/i386.md (UNSPEC_AESENC): New.
2567 (UNSPEC_AESENCLAST): Likewise.
2568 (UNSPEC_AESDEC): Likewise.
2569 (UNSPEC_AESDECLAST): Likewise.
2570 (UNSPEC_AESIMC): Likewise.
2571 (UNSPEC_AESKEYGENASSIST): Likewise.
2572 (UNSPEC_PCLMUL): Likewise.
2574 * config/i386/i386.opt (maes): New.
2575 (mpclmul): Likewise.
2577 * config/i386/sse.md (aesenc): New pattern.
2578 (aesenclast): Likewise.
2580 (aesdeclast): Likewise.
2582 (aeskeygenassist): Likewise.
2583 (pclmulqdq): Likewise.
2585 * config/i386/wmmintrin.h: New.
2587 * doc/extend.texi: Document AES and PCLMUL built-in function.
2589 * doc/invoke.texi: Document -maes and -mpclmul.
2591 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
2593 * function.c (free_after_parsing): Replace with
2594 cxx_push_function_context from C++ front-end.
2595 (allocate_struct_function): Don't call langhook.
2596 * langhooks.h (struct lang_hooks_for_functions): Delete.
2597 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2599 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2600 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2601 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2602 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2603 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2604 remove LANG_HOOKS_FUNCTION_INITIALIZER.
2605 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2607 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2608 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2610 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2613 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2616 2008-04-04 Richard Guenther <rguenther@suse.de>
2619 * fold-const.c (optimize_minmax_comparison): Use the correct
2620 type for the constant in the simplified comparison.
2622 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
2624 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2625 Pass L2 size as "--param l2-cache-size" to the compiler.
2626 (decode_l2_cache): New function to decode L2 cache parameters using
2627 0x8000006 extended cpuid function.
2628 (detect_caches_amd): Determine parameters of L2 cache using
2629 decode_l2_caches function.
2630 (decode_caches_intel): Decode L2 cache parameters.
2631 (detect_caches_intel): Determine L2 cache parameters using
2632 decode_caches_intel and decode_l2_caches functions.
2634 2008-04-03 Bob Wilson <bob.wilson@acm.org>
2636 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2637 secondary input reload for subword loads from the constant pool.
2639 2008-04-03 Janis Johnson <janis187@us.ibm.com>
2642 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2643 constants of the appropriate size for runtime calculations.
2646 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2647 decimal-float literal constant zero.
2649 2008-04-03 Jakub Jelinek <jakub@redhat.com>
2652 * c-parser.c (c_parser_omp_atomic): Call
2653 default_function_array_conversion on the RHS.
2656 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2657 call is_variable_sized if decl has incomplete type.
2659 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
2661 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2663 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
2665 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2667 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2668 (sgt<u>): Merge sgt and sgtu into new expander.
2669 (sgt, sgtu): Remove expanders.
2670 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2671 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2672 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2673 *sgtu_<mode>_mips16 into new pattern.
2674 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2675 (sge<u>): Merge sge and sgeu into new expander.
2676 (sge, sgeu): Remove expanders.
2677 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2679 (*sge_<mode>, second *sge_<mode>): Remove patterns.
2680 (slt<u>): Merge slt and sltu into new expander.
2681 (slt, sltu): Remove expanders.
2682 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2683 (*slt_<mode>, *sltu_<mode>): Remove patterns.
2684 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2685 *sltu_<mode>_mips16 into new pattern.
2686 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2687 (sle<u>): Merge sle and sleu into new expander.
2688 (sle, sleu): Remove expanders.
2689 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2690 (*sle_<mode>, *sleu_<mode>): Remove patterns.
2691 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2692 *sleu_<mode>_mips16 into new pattern.
2693 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2695 2008-04-03 Jan Hubicka <jh@suse.cz>
2697 PR tree-optimization/35795
2698 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2699 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2700 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2701 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2702 * score/score3.c (score3_output_mi_thunk): Likewise.
2703 * score/score7.c (score7_output_mi_thunk): Likewise.
2704 * mips/mips.c (mips_output_mi_thunk): Likewise.
2706 2008-04-03 Richard Guenther <rguenther@suse.de>
2708 * tree-vrp.c (extract_range_from_unary_expr): Handle all
2709 conversions. Simplify code.
2711 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
2713 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2715 2008-04-03 Tom Tromey <tromey@redhat.com>
2716 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2718 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2719 * config/bfin/t-bfin-linux (generated_files): Add
2720 linux-sysroot-suffix.h.
2721 * doc/install.texi (Prerequisites): Require make 3.80.
2722 * doc/sourcebuild.texi (Front End Directory): Document new
2724 * Makefile.in (generated_files): New variable.
2725 (ALL_HOST_OBJS): New variable.
2726 ($(ALL_HOST_OBJS)): New target.
2728 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2730 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2731 (remap_block): Call id->transform_lang_insert_block instead
2733 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2734 Set id.transform_lang_insert_block to NULL.
2735 (clone_body): Move to cp/optimize.c
2736 * tree-inline.h (struct copy_body_data): Change
2737 transform_lang_insert_block to function pointer.
2738 (copy_generic_body, copy_decl_no_change): Export.
2739 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2740 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2741 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2743 * c-tree.h (insert_block): Kill.
2744 * c-decl.c (insert_block): Kill.
2746 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2748 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2749 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2750 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2752 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2753 argument, call {push,pop}_function_context from here.
2754 * c-parser.c: Use c_{push,pop}_function_context.
2756 * function.c (push_function_context_to): Move meat ...
2757 (push_function_context): ... here. Simplify.
2758 * function.c (pop_function_context_from): Move meat ...
2759 (pop_function_context): ... here. Simplify.
2760 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2762 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2763 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2764 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2765 * tree.h (push_function_context_to, pop_function_context_from): Remove.
2767 2008-04-03 Ben Elliston <bje@au.ibm.com>
2769 * expmed.c (extract_force_align_mem_bit_field): Remove.
2771 2008-04-03 Richard Guenther <rguenther@suse.de>
2774 * expr.h (try_casesi): Adjust prototype.
2775 * expr.c (try_casesi): Take fallback label as extra parameter.
2776 Use that for gen_casesi if default_label is NULL.
2777 * stmt.c (expand_case): Pass fallback label to try_casesi,
2778 make sure to fill gaps with a fallback label if default_label
2781 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
2784 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2786 2008-04-03 Ben Elliston <bje@au.ibm.com>
2788 * expmed.c (extract_split_bit_field): Remove if (0) code.
2789 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2790 (do_ds_constraint): Likewise.
2792 2008-04-02 Joseph Myers <joseph@codesourcery.com>
2794 * doc/cppopts.texi (-dU): Document.
2795 * c-common.h (flag_dump_macros): Update comment.
2796 * c-opts.c (handle_OPT_d): Handle -dU.
2797 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2798 dump_queued_macros, cb_used_define, cb_used_undef): New.
2799 (init_pp_output): Handle -dU.
2800 (cb_line_change): Call dump_queued_macros.
2801 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2803 2008-04-02 Anatoly Sokolov <aesok@post.ru>
2805 * config/avr/predicates.md (io_address_operand): New predicate.
2806 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2807 * config/avr/avr.c (avr_io_address_p): Remove function.
2808 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
2809 'avr_io_address_p' function.
2810 (out_movhi_r_mr): (Ditto.).
2811 (out_movqi_mr_r): (Ditto.).
2812 (out_movhi_mr_r): (Ditto.).
2813 (avr_address_cost): (Ditto.).
2815 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
2817 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2818 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2819 in 32bit mode when XMM registers are available to avoid store
2821 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2822 corresponding post-reload splitters.
2824 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2826 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2827 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
2828 __builtin_ia32_roundss.
2829 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2830 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2831 __builtin_ia32_roundss.
2832 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2833 IX86_BUILTIN_SHUFPD here.
2835 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2837 * config/i386/i386.md (plogic): New.
2838 (plogicprefix): Likewise.
2840 * config/i386/mmx.md (mmx_<code><mode>3): New.
2841 (mmx_and<mode>3): Removed.
2842 (mmx_ior<mode>3): Likewise.
2843 (mmx_xor<mode>3): Likewise.
2845 * config/i386/sse.md (<code><mode>3): New.
2846 (*<code><mode>3): Likewise.
2847 (*<code><mode>3): Likewise.
2848 (<code><mode>3): Likewise.
2849 (*sse_<code><mode>3): Likewise.
2850 (*sse2_<code><mode>3): Likewise.
2851 (<code>tf3): Likewise.
2852 (*<code>tf3): Likewise.
2853 (and<mode>3): Likewise.
2854 (*and<mode>3): Likewise.
2855 (ior<mode>3): Removed.
2856 (*ior<mode>3): Likewise.
2857 (xor<mode>3): Likewise.
2858 (*xor<mode>3): Likewise.
2859 (*and<mode>3): Likewise.
2860 (*ior<mode>3): Likewise.
2861 (*xor<mode>3): Likewise.
2862 (and<mode>3): Likewise.
2863 (*sse_and<mode>3): Likewise.
2864 (*sse2_and<mode>3): Likewise.
2866 (*andtf3): Likewise.
2867 (ior<mode>3): Likewise.
2868 (*sse_ior<mode>3): Likewise.
2869 (*sse2_ior<mode>3): Likewise.
2871 (*iortf3): Likewise.
2872 (xor<mode>3): Likewise.
2873 (*sse_xor<mode>3): Likewise.
2874 (*sse2_xor<mode>3): Likewise.
2876 (*xortf3): Likewise.
2878 2008-04-02 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/14495
2881 PR tree-optimization/34793
2882 * tree-vrp.c (struct switch_update): New structure.
2883 (to_remove_edges, to_update_switch_stmts): New VECs.
2884 (simplify_switch_using_ranges): New function. Remove not taken
2885 case labels and edges.
2886 (simplify_stmt_using_ranges): Call it.
2887 (identify_jump_threads): Mark edges we have queued for removal
2888 so we don't thread them.
2889 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2891 * tree-cfg.c (group_case_labels): Deal with missing default label.
2892 (tree_verify_flow_info): Allow missing default label.
2893 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2894 (emit_case_nodes): Likewise.
2895 (expand_case): Do not rely on the default label to be present.
2896 * expr.c (try_casesi): Deal with NULL default_label.
2897 (do_tablejump): Likewise.
2899 2008-04-02 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/14495
2902 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2903 SWITCH_EXPR here ...
2904 (vrp_visit_switch_stmt): ... but here (new function).
2905 (find_case_label_index): New helper function.
2906 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2908 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2910 * fwprop.c: Fix ISO-C99ism.
2912 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2915 * Makefile.in (objdir): Set it here.
2916 * configure.ac: Not here. Find dynamic linker characteristics.
2917 * exec-tool.in: Use them.
2918 * aclocal.m4: Regenerate.
2919 * configure: Regenerate.
2921 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2923 * expr.c (expand_var): Delete it.
2924 * expr.h (expand_var): Delete prototype.
2925 * function.c (expand_function_start): Use expand_decl instead.
2926 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2929 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2931 PR rtl-optimization/35542
2932 * fwprop.c (forward_propagate_and_simplify): Replace
2933 loc_reg_mentioned_in_p with reg_mentioned_p.
2935 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2937 PR rtl-optimization/35281
2938 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2939 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2940 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2941 (varying_mem_p): Move above propagate_rtx.
2942 (all_uses_available_at): Do not check MEMs.
2944 2008-04-02 Rafael Espindola <espindola@google.com>
2946 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2947 (register_edge_assert_for_2): Split the cond argument.
2948 (register_edge_assert_for_1): Adjust for the change in
2949 register_edge_assert_for_2.
2950 (register_edge_assert_for): Split the cond argument.
2951 (find_switch_asserts): Adjust for the change in
2952 register_edge_assert_for.
2954 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2956 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2957 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2958 offsets for 64-bit mingw.
2959 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2960 abi for x86_64-pc-mingw.
2962 2008-04-02 Richard Guenther <rguenther@suse.de>
2964 * tree-vrp.c (extract_range_from_assert): Make sure to not
2965 produce range min/max with TREE_OVERFOW set.
2966 If merging a anti-range and a range keep the anti-range if
2967 the range covers all values of the type.
2968 (register_edge_assert_for_2): Only allow sign-changing
2969 conversions in detecting canonical range checks. Also
2970 register an assert for the unsigned name if useful.
2972 PR tree-optimization/35787
2973 * tree-vrp.c (vrp_val_max): New function.
2974 (vrp_val_min): Likewise.
2975 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2976 (vrp_val_is_min): Likewise.
2977 (supports_overflow_infinity): Use vrp_val_{min,max}.
2978 (negative_overflow_infinity): Likewise.
2979 (positive_overflow_infinity): Likewise.
2980 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2981 (is_positive_overflow_infinity): Likewise.
2982 (is_overflow_infinity): Likewise.
2983 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2984 vrp_val_is_{min,max}.
2985 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2986 to ranges if possible. Avoid empty ranges.
2988 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2991 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2992 the expression is a function address.
2994 2008-04-01 George Helffrich <george@gcc.gnu.org>
2996 PR fortran/35154, fortran/23057
2997 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2998 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2999 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
3000 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
3002 (dbxout_syms): Check for COMMON-based symbol and wrap in
3003 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
3004 in bracket for efficiency.
3006 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
3007 using DW_TAG_common_block + member offset.
3008 (add_pubname_string): New function.
3009 (dw_expand_expr): New function to find block name and offset for
3011 (common_check): New function to check whether symbol in Fortran COMMON.
3012 (gen_variable_die): If COMMON, use DW_TAG_common_block.
3014 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
3017 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
3019 2008-04-02 Ben Elliston <bje@au.ibm.com>
3021 * config/v850/v850.md (casesi): Remove if (0) code.
3022 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
3023 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
3025 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
3027 * config/i386/i386.md (rex64suffix): New mode attribute.
3028 (floathi<mode>2): Disable expander for SSE math.
3029 (*floathi<mode>2_1): New insn insn_and_split pattern.
3030 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
3031 corresponding post-reload splitters.
3032 (*floathi<mode>2_i387): New macroized insn pattern.
3033 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
3034 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
3035 insn_and_split pattern.
3036 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
3037 New macroized instruction patterns and corresponding post-reload
3039 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
3040 and corresponding post-reload splitters.
3041 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
3042 New macroized instruction patterns.
3043 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
3044 macroized instruction patterns and corresponding post-reload splitters.
3045 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
3046 corresponding post-reload splitters.
3047 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
3048 New macroized instruction patterns.
3049 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
3050 corresponding post-reload splitters.
3051 (*floatsi<mode>2_i387): New macroized instruction patterns.
3053 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
3055 * config/i386/i386.md (smaxmin): New.
3056 (umaxmin): Likewise.
3057 (maxminiprefix): Likewise.
3058 (maxminfprefix): Likewise.
3059 (<code><mode>3): Likewise.
3060 (smin<mode>3): Removed.
3061 (smax<mode>3): Likewise.
3063 * config/i386/mmx.md (mmx_<code>v2sf3): New.
3064 (mmx_<code>v4hi3): Likewise.
3065 (mmx_<code>v8qi3): Likewise.
3066 (mmx_smaxv2sf3): Removed.
3067 (mmx_sminv2sf3): Likewise.
3068 (mmx_umaxv8qi3): Likewise.
3069 (mmx_smaxv4hi3): Likewise.
3070 (mmx_uminv8qi3): Likewise.
3071 (mmx_sminv4hi3): Likewise.
3073 * config/i386/sse.md (<addsub><mode>3): New.
3074 (*<addsub><mode>3): Likewise.
3075 (<sse>_vm<addsub><mode>3): Likewise.
3076 (<maxmin><mode>3): Likewise.
3077 (*<maxmin><mode>3_finite): Likewise.
3078 (*<maxmin><mode>3): Likewise.
3079 (<sse>_vm<maxmin><mode>3): Likewise.
3080 (sse3_h<addsub>v4sf3): Likewise.
3081 (sse3_h<addsub>v2df3): Likewise.
3082 (<maxmin>v16qi3): Likewise.
3083 (*<maxmin>v16qi3): Likewise.
3084 (<maxmin>v8hi3): Likewise.
3085 (*<maxmin>v8hi3): Likewise.
3086 (*sse4_1_<maxmin><mode>3): Likewise.
3087 (*sse4_1_<maxmin><mode>3): Likewise.
3088 (add<mode>3): Removed.
3089 (*add<mode>3): Likewise.
3090 (<sse>_vmadd<mode>3): Likewise.
3091 (sub<mode>3): Likewise.
3092 (*sub<mode>3): Likewise.
3093 (<sse>_vmsub<mode>3): Likewise.
3094 (smin<mode>3): Likewise.
3095 (*smin<mode>3_finite): Likewise.
3096 (*smin<mode>3): Likewise.
3097 (<sse>_vmsmin<mode>3): Likewise.
3098 (smax<mode>3): Likewise.
3099 (*smax<mode>3_finite): Likewise.
3100 (*smax<mode>3): Likewise.
3101 (<sse>_vmsmax<mode>3): Likewise.
3102 (sse3_haddv4sf3): Likewise.
3103 (sse3_haddv2df3): Likewise.
3104 (sse3_hsubv4sf3): Likewise.
3105 (sse3_hsubv2df3): Likewise.
3106 (umaxv16qi3): Likewise.
3107 (*umaxv16qi3): Likewise.
3108 (smaxv8hi3): Likewise.
3109 (*smaxv8hi3): Likewise.
3110 (*sse4_1_smax<mode>3): Likewise.
3111 (*sse4_1_umax<mode>3): Likewise.
3112 (uminv16qi3): Likewise.
3113 (*uminv16qi3): Likewise.
3114 (sminv8hi3): Likewise.
3115 (*sminv8hi3): Likewise.
3116 (*sse4_1_smin<mode>3): Likewise.
3117 (*sse4_1_umin<mode>3): Likewise.
3119 2008-04-01 Rafael Espindola <espindola@google.com>
3121 * tree-cfg.c (verify_expr): remove in_phi.
3122 (verify_stmt): Don't call walk_tree with verify_expr. Use
3123 is_gimple_min_invariant instead of is_gimple_val.
3125 2008-04-01 Joseph Myers <joseph@codesourcery.com>
3127 * doc/include/gpl_v3.texi: Update for manpage generation.
3128 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
3130 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
3131 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
3132 gpl_v3.texi instead of gpl.texi.
3135 2008-04-01 Jakub Jelinek <jakub@redhat.com>
3138 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
3140 2008-04-01 Rafael Espindola <espindola@google.com>
3142 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
3143 (extract_code_and_val_from_cond): Use
3144 extract_code_and_val_from_cond_with_ops.
3146 2008-04-01 Jan Hubicka <jh@suse.cz>
3148 * function.c (free_after_compilation): Free epilogue_delay_list.
3149 (prepare_function_start): Assert that previous compilation was freed.
3151 2008-04-01 Jan Hubicka <jh@suse.cz>
3152 Jim Wilson <wilson@tuliptree.org>
3153 Andreas Tobler <andreast@gcc.gnu.org>
3156 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
3157 rtl.emit instead cfun->emit.
3158 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
3159 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
3161 2008-04-01 Ben Elliston <bje@au.ibm.com>
3163 * doc/c-tree.texi (Function Basics): Fix grammatical error.
3165 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
3167 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
3169 (fprofile-use): Add var flag_profile_use
3170 * coverage.c (coverage_begin_output): Do not open a gcno file for
3171 output only if -ftest-coverage is set.
3172 Do not add getpwd() to gcda file path.
3173 (build_gcov_info): Check the new flag
3174 flag_profile_datafile_relative_path.
3175 (coverage_init): Use profile_data_prefix.
3176 Read profile counter only if flag_profile_use is set.
3177 * opts.c (common_handle_option): New option fprofile-use=,
3178 fprofile-dir=, fprofile-generate=.
3179 * toplev.c (profile_data_prefix): New variable definition.
3180 * toplev.h (profile_data_prefix): New declaration.
3181 * doc/invoke.tex (Option Summary, Optimization Options):
3184 2008-03-31 James E. Wilson <wilson@tuliptree.org>
3186 * varasm.c (output_constant_pool_1): In LABEL_REF check,
3187 use tmp consistently.
3190 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
3191 * config/ia64/ia64.c (rtx_needs_barrier): Handle
3192 UNSPEC_FR_RECIP_APPROX_RES.
3193 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
3195 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
3198 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
3200 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3203 * fold-const.c (fold_indirect_ref_1): Support accessing non first
3204 element of the vector via a pointer.
3206 2008-03-31 Ian Lance Taylor <iant@google.com>
3208 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
3210 2008-03-31 Jan Hubicka <jh@suse.cz>
3212 * builtins.c (expand_builtin_setjmp_receiver): Update call of
3213 get_arg_pointer_save_area.
3214 * expr.c (init_expr): Just clear out rtl.expr.
3215 * function.c (free_after_compilation): Clear out whole RTL structure.
3216 (get_func_frame_size): Merge into ...
3217 (get_frame_size): ... this one.
3218 (assign_stack_local_1): Merge into ...
3219 (assign_stack_local): ... this one.
3220 (expand_function_end): Update call of get_arg_pointer_save_area.
3221 (get_art_pointer_save_area): Remove cfun argument.
3222 * function.h (emit_status): regno_pointer_align does not need length
3223 attribute. Move x_regno_reg_rtx to ...
3224 (regno_reg_rtx): ... new global array.
3225 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
3226 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
3227 apply_args_value, forced_labels, stack_pointer_delta):
3229 (struct varasm_status): Move here from varasm.c
3230 (struct rtl_data): New. Move here some fields from struct function.
3231 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3232 frame_offset, stack_check_probe_note, arg_pointer_save_area,
3233 used_temp_slots avail_temp_slots, temp_slot_level,
3234 nonlocal_goto_handler_labels): Update accesstors.
3235 (rtl): New global variable.
3236 (struct function): Move some fileds to rtl_data.
3237 (get_arg_pointer_save_area): Update prototype.
3238 * emit-rtl.c (rtl): Declare.
3239 (regno_reg_rtx): Declare.
3240 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3242 (gen_reg_rtx): Update.
3243 (init_virtual_regs): Do not tate emit_status argument.
3244 (init_emit): Do not allocate emit.
3245 * varasm.c (varasm_statuc): Move to function.h.
3246 (n_deferred_constatns): Update accestor.
3247 (init_varasm_status): Do not allocate varasm_status.
3248 (force_const_mem, get_pool_size, output_constant_pool): Update.
3249 * stmt.c (force_label_rtx): Do not use x_ prefixes.
3250 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3252 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
3254 PR rtl-optimization/35729
3255 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
3258 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
3261 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
3262 load/store if memory is unaligned.
3263 (*movti_rex64): Likewise.
3265 * config/i386/predicates.md (misaligned_operand): New.
3267 2008-03-31 Andrew Pinski <pinskia@gmail.com>
3270 * tree-ssa-phiopt.c (conditional_replacement): Return early for
3273 2008-03-31 Jan Beulich <jbeulich@novell.com>
3275 * config/ia64/constraints.md: Add 'j' constraint.
3276 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
3277 (movdi_internal): Likewise.
3279 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
3282 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
3284 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
3287 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
3288 proper error message for the third argument on blendpd and
3291 * config/i386/sse.md (blendbits): New.
3292 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
3294 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
3296 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
3298 2008-03-30 Richard Guenther <rguenther@suse.de>
3301 * fold-const.c (fold_sign_changed_comparison): Do leave
3302 conversions to base-types alone.
3304 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3306 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
3307 the link register if one altivec register is be saved.
3309 2008-03-30 Ben Elliston <bje@au.ibm.com>
3311 * final.c (final_scan_insn): Remove if (0) code.
3313 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
3315 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
3317 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
3319 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
3320 of V4SFmode to ix86_binary_operator_ok.
3322 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
3324 * config/i386/i386.c (override_options): Initialize
3325 ix86_veclib_handler to ix86_veclibabi_svml when
3326 -mveclibabi=svml is used.
3327 (ix86_veclibabi_svml): New function for SVML ABI style
3328 vectorization support.
3329 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
3331 2008-03-28 Rafael Espindola <espindola@google.com>
3333 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
3334 (tree_binary_nonnegative_warnv_p): Make it public.
3335 (tree_single_nonnegative_warnv_p): Make it public.
3336 (tree_invalid_nonnegative_warnv_p): Make it public.
3337 (tree_unary_nonzero_warnv_p): Make it public.
3338 (tree_binary_nonzero_warnv_p): Make it public
3339 (tree_single_nonzero_warnv_p): Make it public.
3340 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
3341 (extract_range_from_binary_expr): Split the expr argument.
3342 (extract_range_from_unary_expr): Split the expr argument.
3343 (extract_range_from_comparison): Split the expr argument.
3344 (extract_range_from_expr): Use the new aux functions.
3345 (vrp_evaluate_conditional_warnv): Use
3346 vrp_evaluate_conditional_warnv_with_ops.
3347 * tree.h (tree_unary_nonzero_warnv_p): Declare.
3348 (tree_binary_nonzero_warnv_p): Declare.
3349 (tree_single_nonzero_warnv_p): Declare.
3350 (tree_expr_nonzero_warnv_p): Declare.
3351 (tree_unary_nonnegative_warnv_p): Declare.
3352 (tree_binary_nonnegative_warnv_p): Declare.
3353 (tree_single_nonnegative_warnv_p): Declare.
3354 (tree_invalid_nonnegative_warnv_p): Declare.
3356 2008-03-28 Richard Guenther <rguenther@suse.de>
3358 PR tree-optimization/30317
3359 PR tree-optimization/30911
3360 PR tree-optimization/34793
3361 * tree-vrp.c (set_and_canonicalize_value_range): New function.
3362 (struct assert_locus_d): New member EXPR.
3363 (register_new_assert_for): Add EXPR parameter to support
3364 ASSERT_EXPR <name, expr OP limit>.
3365 (register_edge_assert_for_1): Adjust callers.
3366 (find_assert_locations): Likewise.
3367 (process_assert_insertions_for): Build condition from expression.
3368 (extract_range_from_assert): Handle ASSERT_EXPRs
3369 of the form ASSERT_EXPR <name, expr OP limit>.
3370 (register_edge_assert_for_2): New helper registering
3371 asserts for comparisons. Recognize range tests of the form
3372 (unsigned)i - CST1 OP CST2.
3373 (register_edge_assert_for_1): Use it.
3374 (register_edge_assert_for): Likewise.
3375 (needs_overflow_infinity): Integer sub-types
3376 do not need overflow infinities.
3377 (vrp_val_is_max): The extreme values of integer sub-types
3378 are those of the base type.
3379 (vrp_val_is_min): Likewise.
3380 * tree.def (ASSERT_EXPR): Document extra allowed conditional
3383 2008-03-28 Nick Clifton <nickc@redhat.com>
3386 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3387 Return GENERAL_REGS for stack adjustment reloads.
3389 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3392 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
3393 const_vector when all the vectors are constant.
3395 2008-03-27 Bob Wilson <bob.wilson@acm.org>
3397 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
3399 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
3400 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
3402 (s<code>_sf): Use new scc_sf attribute for opcode names.
3404 2008-03-27 Tom Tromey <tromey@redhat.com>
3406 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
3407 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
3408 config/spu/t-spu-elf, config/i386/t-interix,
3409 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
3410 config/i386/x-darwin, config/i386/x-mingw32,
3411 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
3412 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
3413 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
3414 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
3415 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
3416 config/rs6000/x-darwin, config/rs6000/t-rs6000,
3417 config/score/t-score-elf, config/arm/t-strongarm-pe,
3418 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
3419 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
3420 Revert automatic dependency patch.
3422 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
3425 * config/i386/i386.c (ix86_function_arg_boundary): Align
3426 decimal floating point to its natural boundary.
3428 2008-03-27 Richard Guenther <rguenther@suse.de>
3431 * fold-const.c (fold_comparison): Restrict distinct decl
3432 comparison folding to VAR_DECLs and PARM_DECLs. Do not
3433 solely rely on operand_equal_p.
3435 2008-03-27 Richard Guenther <rguenther@suse.de>
3438 * c-common.c (handle_weak_attribute): Reject combination of
3441 2008-03-27 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/32810
3444 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
3445 conversions from DECL_INITIAL.
3446 (fold_const_aggregate_ref): Likewise from constructor elements.
3448 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
3450 * tree-affine.h (aff_combination_expand): Declare.
3451 (get_inner_reference_aff): Likewise.
3452 * tree-affine.c (aff_combination_expand): Split out from
3453 tree_to_aff_combination_expand.
3454 (get_inner_reference_aff): New function.
3455 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
3456 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
3457 (struct lim_aux_data): sm_done field removed.
3458 (mem_ref_loc_p, mem_ref_locs_p): New types.
3459 (struct mem_ref): Added id, stored, accesses_in_loop,
3460 indep_loop, dep_loop, indep_ref, dep_ref fields.
3461 Removed is_stored, locs and next fields.
3462 (memory_accesses): New variable.
3463 (movement_possibility): Do not allow moving statements
3464 that store to memory.
3465 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
3467 (determine_max_movement): For statements with memory references,
3468 find the outermost loop in that the reference is independent.
3469 (move_computations_stmt): Mark the virtual operands for renaming.
3470 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
3471 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
3472 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
3473 add_vop_ref_mapping, create_vop_ref_mapping_loop,
3474 create_vop_ref_mapping, analyze_memory_references,
3475 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
3476 get_all_locs_in_loop, ref_always_accessed_p,
3477 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
3478 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
3479 store_motion_loop, store_motion): New functions.
3480 (struct vop_to_refs_elt): New type.
3481 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
3482 memref_hash, memref_eq, hoist_memory_references): Rewritten.
3483 (schedule_sm): Replaced by...
3484 (execute_sm): ... this.
3485 (determine_lsm_ref, hoist_memory_references,
3486 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
3487 find_more_ref_vops, free_mem_ref, free_mem_refs,
3488 determine_lsm_loop, determine_lsm): Removed.
3489 (tree_ssa_lim_finalize): Free data structures used by store motion.
3490 (tree_ssa_lim): Call analyze_memory_references. Use
3491 store_motion instead of determine_lsm.
3493 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3495 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
3496 rename tmake_file to m68hc11/t-m68hc11.
3497 (mcore): Set inhibit_libc to true.
3498 * config.host (alpha*-dec-*vms*): Set extra_programs.
3499 (interix3*): Don't use host_xmake_file.
3500 * configure.ac: Let config.gcc override inhibit_libc.
3501 * configure: Regenerate.
3503 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
3504 * config/t-openbsd-thread: Remove commented out lines.
3506 * config/x-interix: Remove.
3508 * config/m68hc11/t-m68hc11-gas: Rename to...
3509 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
3511 * config/mcore/t-mcore: Remove T_CFLAGS.
3512 * config/mcore/t-mcore-pe: Likewise.
3514 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3516 * configure.ac: Replace custom __GNU_SOURCE test with
3517 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
3518 * aclocal.m4: Regenerate.
3519 * configure: Regenerate.
3520 * config.in: Regenerate.
3522 2008-03-27 Richard Guenther <rguenther@suse.de>
3524 * fold-const.c (target.h): Include.
3525 (fold_comparison): Fold comparison of addresses of decls
3526 that bind locally or of constants. Consolidate address folding code.
3527 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
3528 results from fold_binary_to_constant.
3529 (compare_values_warnv): Likewise.
3531 2008-03-27 Andrew Pinski <pinskia@gmail.com>
3534 * fold-const.c (fold_truthop): Check for integeral types when folding
3535 a == 0 && b == 0 and a != 0 || b != 0 .
3537 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
3539 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
3541 2008-03-26 Andreas Schwab <schwab@suse.de>
3543 * doc/invoke.texi: Fix use of @item vs. @itemx.
3545 2008-03-26 Tom Tromey <tromey@redhat.com>
3547 * Makefile.in (build/gensupport.o, build/print-rtl.o,
3548 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
3549 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
3550 build/gencodes.o, build/genconditions.o, build/genconfig.o,
3551 build/genconstants.o, build/genemit.o, build/genextract.o,
3552 build/genflags.o, build/genmddeps.o, build/genopinit.o,
3553 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
3556 2008-03-26 Richard Guenther <rguenther@suse.de>
3559 2008-03-26 Richard Guenther <rguenther@suse.de>
3561 * fold-const.c (target.h): Include.
3562 (fold_comparison): Fold comparison of addresses of two decls
3563 that bind locally. Consolidate address folding code.
3565 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3567 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3568 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3569 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3570 dconstsqrt2, dconstthird, dconste and/or dconst10.
3571 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3572 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3573 dconstsqrt2, dconste): Delete.
3574 (init_emit_once): Likewise. Simplify initializing dconstm1.
3576 * real.c (get_real_const): New.
3577 * real.h (dconst3, dconst10, dconstm2, dconstthird,
3578 dconstsqrt2, dconste): Delete.
3579 (real_value_const, get_real_const): New.
3581 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
3583 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3585 * config/i386/i386.c (ix86_function_arg_boundary): Check
3586 BIGGEST_ALIGNMENT instead of 128.
3587 (setup_incoming_varargs_64): Likewise.
3589 2008-03-26 Tom Tromey <tromey@redhat.com>
3591 * Makefile.in (DEPFILES): Add missing '/'.
3593 2008-03-26 Richard Guenther <rguenther@suse.de>
3595 * fold-const.c (target.h): Include.
3596 (fold_comparison): Fold comparison of addresses of two decls
3597 that bind locally. Consolidate address folding code.
3599 2008-03-26 Nick Clifton <nickc@redhat.com>
3602 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3603 not allow INT+INT as a legitimate addressing mode.
3605 2008-03-26 Richard Guenther <rguenther@suse.de>
3607 * tree-flow.h (widen_bitfield): Remove declaration.
3608 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3609 (widen_bitfield): Remove function.
3610 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3613 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3616 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3619 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
3621 PR rtl-optimization/35232
3622 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3623 (forget_old_reloads_1, forget_marked_reloads): Don't clear
3624 reg_reloaded_call_part_clobbered here.
3625 (reload_regs_reach_end_p): New function.
3626 (reload_reg_rtx_for_input): New variable.
3627 (reload_reg_rtx_for_output): Likewise.
3628 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3629 when reassigning a pseudo register. Load reloadreg from
3630 reload_reg_rtx_for_input, moving the mode and register
3632 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
3633 instead of the original when deciding whether an input reload
3634 would be a no-op or whether an output reload can be deleted.
3635 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3636 when setting up new_spill_reg_store. Load it from
3637 reload_reg_rtx_for_output, moving the mode and register
3639 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
3640 instead of the original when deciding whether an output reload
3641 would be a no-op. Do the same when modifying insn notes.
3642 Use rtx_equal_p instead of == to compare the registers.
3643 (inherit_piecemeal_p): Take a mode and two register numbers
3645 (emit_reload_insns): Clear new_spill_reg_store for every hard
3646 register in the reload register. Remove spill registers
3647 from reg_reloaded_valid before considering whether to record
3648 inheritance information for them. Use reload_reg_rtx_for_output
3649 instead of reg_rtx when recording output reloads. Use
3650 reload_reg_rtx_for_input instead of reg_rtx when recording
3651 input reloads. Set or clear reg_reloaded_call_part_clobbered
3652 at the same time as setting reg_reloaded_valid.
3653 (delete_output_reload): Add a new_reload_reg parameter and use it
3654 instead of rld[j].reg_rtx.
3655 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3658 2008-03-25 Tom Tromey <tromey@redhat.com>
3660 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3661 (build/genattr.o): Likewise.
3662 (build/genattrtab.o): Likewise.
3663 (build/gencodes.o): Likewise.
3664 (build/genconfig.o): Likewise.
3665 (build/genconstants.o): Likewise.
3666 (build/genemit.o): Likewise.
3667 (build/genextract.o): Likewise.
3668 (build/genflags.o): Likewise.
3670 2008-03-25 Bob Wilson <bob.wilson@acm.org>
3672 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3673 instead of size_int for integer types.
3674 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
3675 to match type of MINUS_EXPR.
3677 2008-03-25 Tom Tromey <tromey@redhat.com>
3679 * configure: Rebuilt.
3680 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3683 2008-03-25 Tom Tromey <tromey@redhat.com>
3685 * config/x-solaris (host-solaris.o): Update.
3686 * config/x-linux (host-linux.o): Update.
3687 * config/x-hpux (host-hpux.o): Update.
3688 * config/x-darwin (host-darwin.o): Update.
3689 * config/v850/t-v850e (v850-c.o): Update.
3690 * config/v850/t-v850 (v850-c.o): Update.
3691 * config/t-vxworks (vxworks.o): Update.
3692 * config/t-sol2 (sol2-c.o, sol2.o): Update.
3693 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3694 * config/spu/t-spu-elf (spu-c.o): Update.
3696 * config/sh/t-symbian (sh-c.o): Update.
3697 (symbian.o): Update.
3698 * config/sh/t-sh (sh-c.o): Update.
3699 * config/score/t-score-elf (score7.o, score3.o): Update.
3700 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3701 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3702 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3703 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3705 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3706 * config/m32c/t-m32c (m32c-pragma.o): Update.
3707 * config/ia64/t-ia64 (ia64-c.o): Update.
3708 * config/i386/x-mingw32 (host-mingw32.o): Update.
3709 * config/i386/x-i386 (driver-i386.o): Update.
3710 * config/i386/x-darwin (host-i386-darwin.o): Update.
3711 * config/i386/x-cygwin (host-cygwin.o): Update.
3712 * config/i386/t-nwld (nwld.o): Update.
3713 * config/i386/t-netware (netware.o): Update.
3714 * config/i386/t-interix (winnt.o): Update.
3715 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3716 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3717 msformat-c.o): Update.
3718 * config/bfin/t-bfin-linux (generated_files): Add
3719 linux-sysroot-suffix.h.
3720 * config/arm/t-wince-pe (pe.o): Update.
3721 * config/arm/t-strongarm-pe (pe.o): Update.
3722 * config/arm/t-pe (pe.o): Update.
3723 * config/arm/t-arm (arm-c.o): Update.
3724 * doc/install.texi (Prerequisites): Require make 3.80.
3725 * Makefile.in: Remove .o targets.
3726 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3727 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3728 (simple_generated_h, simple_generated_c): Move earlier.
3729 (generated_files): New variable.
3730 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3731 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3732 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3733 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3734 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3735 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3736 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3737 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3738 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3739 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3740 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3741 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3743 (COMPILE.base, COMPILE): New variables.
3744 (%.o): New pattern rule.
3745 (ALL_HOST_OBJS): New variable.
3746 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3747 (dummy-checksum.o, cc1-checksum.o): Remove.
3748 (DRIVER_SHLIB): New variable.
3749 (DRIVER_DEFINES): Use it.
3750 (gencondmd.c): Move out of build/.
3751 (s-conditions): Update.
3752 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3753 (ALL_BUILD_OBJS): Likewise.
3754 (build/%.o): Use BUILDCOMPILE.
3755 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3756 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3757 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3758 build/gencheck.o, build/gencodes.o, build/genconditions.o,
3759 build/genconfig.o, build/genconstants.o, build/genemit.o,
3760 build/genextract.o, build/genflags.o, build/genmddeps.o,
3761 build/genopinit.o, build/genoutput.o, build/genpeep.o,
3762 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3763 build/gen-protos.o, build/scan.o, build/fix-header.o,
3764 build/scan-decls.o): Simplify.
3765 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3766 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3767 prefix.o, toplev.o): Reduce to variable setting.
3768 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
3769 ($(out_object_file), gcc-options.o): New targets.
3770 ($(ALL_HOST_OBJS)): New target. Include dependency files.
3771 * configure: Rebuilt.
3772 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3773 * doc/sourcebuild.texi (Front End Directory): Document new variable.
3775 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
3777 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3778 complain when we hit an error, return ERROR_MARK_NODE.
3780 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3782 * config/sh/constraints.md (Pso, Psz): New constraints.
3783 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3784 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3786 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3788 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3789 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3791 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3793 * config/sh/sh.md (prefetch): Add condition for SH2A target.
3794 (prefetch_sh2a): New.
3796 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3797 Naveen.H.S <naveen.hs@kpitcummins.com>
3799 * config/sh/constraints.md (I28): New constraint.
3800 * config/sh/sh.c (broken_move): Add support for movi20s.
3801 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3803 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
3804 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3805 Naveen.H.S <naveen.hs@kpitcummins.com>
3807 * config/sh/sh.c (SH_ATTRIBUTES): Define.
3808 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3809 (print_operand): Handle resbank in %@ operand code.
3810 (sh_encode_section_info): New.
3811 (push_regs): Add conditions for resbank.
3812 (sh_expand_epilogue): Likewise.
3813 (sh_insert_attributes): Likewise.
3814 (sh_attribute_table): Likewise.
3815 (sh_handle_resbank_handler_attribute): New.
3816 (sh2a_handle_function_vector_handler_attribute): New.
3817 (sh2a_is_function_vector_call): New.
3818 (sh2a_get_function_vector_number): New.
3819 (sh2a_function_vector_p): New.
3820 (sh_cfun_resbank_handler_p): New.
3821 * config/sh/sh.md (calli): Emit jsr/n if possible.
3822 (calli_tbr_rel): New.
3823 (calli_pcrel): Emit jsr/n if possible.
3824 (return_i): Emit rts/n if possible.
3825 (call_valuei_tbr_rel): New.
3826 (call_valuei_pcrel): Add condition for SH2A target.
3827 (call_value): Likewise.
3828 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3829 (sh2a_get_function_vector_number): Likewise.
3830 (sh2a_is_function_vector_call): Likewise.
3831 * doc/extend.texi: Document TBR relative addressing of SH2A.
3832 (resbank): Add description for SH2A.
3834 2008-03-24 Richard Guenther <rguenther@suse.de>
3837 * gimplify.c (gimplify_modify_expr): For frontend type-correct
3838 pointer assignments change conversions according to middle-end rules.
3839 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3840 * configure.ac: Include type checking in yes.
3841 * configure: Regenerate.
3843 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3845 * diagnostic.c (diagnostic_count_diagnostic): Delete.
3846 (diagnostic_report_diagnostic): Update. Handle ICEs here.
3848 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
3850 * gthr-vxworks.h (UNUSED): Define.
3852 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
3854 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3856 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3858 * doc/extend.texi (Function Attributes): Add missing comma in the
3859 example of the "alloc_size" attribute.
3861 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
3864 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3866 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3869 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3872 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3873 of the underlying type of a MS bitfield layout to the natural
3874 alignment of the type.
3876 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3878 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3879 to their natural alignment to avoid store forwarding stalls.
3881 2008-03-22 Richard Guenther <rguenther@suse.de>
3883 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3884 For PHI nodes verify the address is invariant.
3885 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3886 (get_symbol_constant_value): Use is_gimple_min_invariant.
3887 (maybe_fold_stmt_indirect): Likewise.
3889 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3891 PR rtl-optimization/33927
3892 * Makefile.in (dse.o): Depend on $(TM_P_H).
3893 * expr.h (extract_low_bits): Declare.
3894 * expmed.c (extract_low_bits): New function.
3895 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3896 * dse.c: Include tm_p.h.
3897 (find_shift_sequence): Remove the read_reg argument and return the
3898 read value. Emit the instructions instead of returning them.
3899 Iterate on new_mode rather than calculating it each time.
3900 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3901 source to NEW_MODE and extract_low_bits to convert the shifted
3903 (replace_read): Allow the load and store to have different mode
3904 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3905 or extraction instructions before trying the replacement. Update
3906 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3908 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3910 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3911 to their natural alignment to avoid store forwarding stalls.
3913 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3916 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3917 encouraging but not allowing gprs for input;
3918 change the input constraint to !f#r.
3919 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3921 change the output constraint to !f#r.
3923 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3926 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3927 corresponding post-reload splitters.
3928 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3929 when x87 FP math is selected.
3930 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3931 New function prototype.
3932 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3933 unreachable function to ease macroization of insn patterns.
3935 2008-03-21 Martin Jambor <mjambor@suse.cz>
3937 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3938 reference dumps if ddr is NULL or dependence is unknown.
3940 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3942 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3943 unsigned extension into account.
3944 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3945 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3946 Do computations on a scratch register.
3948 2008-03-21 Richard Guenther <rguenther@suse.de>
3950 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3951 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3952 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3953 * tree-ssa-dom.c (record_equality): Likewise.
3954 * tree-inline.c (copy_body_r): Likewise.
3955 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3958 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3960 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3961 as 'delete_unused' argument.
3963 2008-03-20 Richard Guenther <rguenther@suse.de>
3965 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3966 special casing of constant qualifiers.
3967 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3968 care about them in general.
3969 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3970 regardless of their type.
3971 (fold_stmt_r): Forcefully fold *& if we end up with that.
3973 2008-03-20 Paul Brook <paul@codesourcery.com>
3975 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3976 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3978 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3980 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3981 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3983 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3985 * common.opt (Wmudflap): New option.
3986 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3987 (mx_register_decls): Likewise.
3988 (mudflap_finish_file): Likewise.
3989 * doc/invoke.texi: Document -Wno-mudflap.
3991 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3993 * c-format.c (replace_format_name_to_system_name): New.
3995 (convert_format_name_to_system_name): New.
3996 (decode_format_attr): Add use of convert_format_name_to_system_name.
3997 (format_types_orig): Add gnu_ prefix to names.
3998 (check_format_info_main): Special treating of \0 escaped names for
3999 supporting multi-character format specifiers as I32, I64.
4000 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
4001 (gnu_target_overrides_format_attributes): New.
4002 * c-format.h: Add structure target_ovr_attr to hold
4003 system specific formatter names.
4004 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
4005 msformat-c.o file to c_target_objs and cxx_target_objs.
4006 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
4007 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
4008 (TARGET_N_FORMAT_TYPES): New.
4009 * config/i386/msformat-c.c: New.
4010 * config/i386/t-cygming: Add build rule for msformat-c.o.
4011 * doc/extend.texi: Add new format names gnu_* and ms_* and
4013 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
4015 2008-03-20 Ira Rosen <irar@il.ibm.com>
4017 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
4018 optimizations turned on under -O3.
4019 (ftree-vectorize): Add that the flag is turned on with -O3.
4021 2008-03-20 Ben Elliston <bje@au.ibm.com>
4023 * regmove.c (try_auto_increment): Fix spelling error in comment.
4024 * final.c (final_scan_insn): Likewise.
4026 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
4029 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
4030 allocator preferences for "y" and "r" class registers.
4031 ("*mov<mode>_internal"): Ditto.
4032 ("*movv2sf_internal_rex64"): Ditto.
4033 ("*movv2sf_internal"): Ditto.
4035 2008-03-19 Michael Matz <matz@suse.de>
4038 * calls.c (expand_call): Check overlap of arguments with call
4039 address for sibcalls.
4041 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
4044 * stor-layout.c (update_alignment_for_field): Set minimum alignment
4045 of the underlying type of a MS bitfield layout to the natural
4046 alignment of the type.
4048 2008-03-19 Jan Hubicka <jh@suse.cz>
4051 * toplev.c (decode_d_option): Handle all CPP flags.
4052 * tree-vrp.c: Update tree_pass descriptors.
4053 * regrename.c: Update tree_pass descriptors.
4054 * fwprop.c: Update tree_pass descriptors.
4055 * doc/invoke.texi: Remove documentation of dropped -d? flags.
4056 * tree-into-ssa.c: Update tree_pass descriptors.
4057 * tree-dump.c: Update tree_pass descriptors.
4058 * tree-complex.c: Update tree_pass descriptors.
4059 * tree-dump.h: Update tree_pass descriptors.
4060 * see.c: Update tree_pass descriptors.
4061 * cgraphbuild.c: Update tree_pass descriptors.
4062 * tracer.c: Update tree_pass descriptors.
4063 * tree-loop-distribution.c: Update tree_pass descriptors.
4064 * cgraph.c: Update tree_pass descriptors.
4065 * postreload-gcse.c: Update tree_pass descriptors.
4066 * postreload.c: Update tree_pass descriptors.
4067 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
4068 * tree-tailcall.c: Update tree_pass descriptors.
4069 * tree-pass.h (tree_opt_pass): Rename to ...
4070 (opt_pass) ... this one; add "type" field and remove letter field.
4071 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
4072 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
4073 all_lowering_passes): Update declaration.
4074 * ipa-cp.c: Update tree_pass descriptors.
4075 * final.c: Update tree_pass descriptors.
4076 * omp-low.c: Update tree_pass descriptors.
4077 * tree-ssa-dse.c: Update tree_pass descriptors.
4078 * ipa-reference.c: Update tree_pass descriptors.
4079 * tree-ssa-uncprop.c: Update tree_pass descriptors.
4080 * auto-inc-dec.c: Update tree_pass descriptors.
4081 * reorg.c: Update tree_pass descriptors.
4082 * cgraphunit.c: Update tree_pass descriptors.
4083 * tree-ssa-copyrename.c: Update tree_pass descriptors.
4084 * tree-ssa-ccp.c: Update tree_pass descriptors.
4085 * df-core.c: Update tree_pass descriptors.
4086 * mode-switching.c: Update tree_pass descriptors.
4087 * tree-nomudflap.c: Update tree_pass descriptors.
4088 * modulo-sched.c: Update tree_pass descriptors.
4089 * ipa-pure-const.c: Update tree_pass descriptors.
4090 * cse.c: Update tree_pass descriptors.
4091 * web.c: Update tree_pass descriptors.
4092 * tree-stdarg.c: Update tree_pass descriptors.
4093 * tree-ssa-math-opts.c: Update tree_pass descriptors.
4094 * tree-ssa-dom.c: Update tree_pass descriptors.
4095 * tree-nrv.c: Update tree_pass descriptors.
4096 * tree-ssa-alias.c: Update tree_pass descriptors.
4097 * loop-init.c: Update tree_pass descriptors.
4098 * gimple-low.c: Update tree_pass descriptors.
4099 * ipa-inline.c: Update tree_pass descriptors.
4100 * tree-ssa-sink.c: Update tree_pass descriptors.
4101 * global.c: Update tree_pass descriptors.
4102 * ifcvt.c: Update tree_pass descriptors.
4103 * jump.c: Update tree_pass descriptors.
4104 * predict.c: Update tree_pass descriptors.
4105 * tree-ssa-loop.c: Update tree_pass descriptors.
4106 * recog.c: Update tree_pass descriptors.
4107 * dse.c: Update tree_pass descriptors.
4108 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
4109 * tree-eh.c: Update tree_pass descriptors.
4110 * regmove.c: Update tree_pass descriptors.
4112 * function.c: Update tree_pass descriptors.
4113 * tree-vectorizer.c: Update tree_pass descriptors.
4114 * gcse.c: Update tree_pass descriptors.
4115 * ipa-type-escape.c: Update tree_pass descriptors.
4116 * tree-if-conv.c: Update tree_pass descriptors.
4117 * init-regs.c: Update tree_pass descriptors.
4118 * ipa.c: Update tree_pass descriptors.
4119 * tree-ssa-phiopt.c: Update tree_pass descriptors.
4120 * rtl-factoring.c: Update tree_pass descriptors.
4121 * lower-subreg.c: Update tree_pass descriptors.
4122 * bt-load.c: Update tree_pass descriptors.
4123 * tree-dfa.c: Update tree_pass descriptors.
4124 * except.c: Update tree_pass descriptors.
4125 * emit-rtl.c: Update tree_pass descriptors.
4126 * cfgexpand.c: Update tree_pass descriptors.
4127 * tree-cfgcleanup.c: Update tree_pass descriptors.
4128 * cfgcleanup.c: Update tree_pass descriptors.
4129 * tree-ssa-pre.c: Update tree_pass descriptors.
4130 * tree-sra.c: Update tree_pass descriptors.
4131 * tree-mudflap.c: Update tree_pass descriptors.
4132 * tree-ssa-copy.c: Update tree_pass descriptors.
4133 * cfglayout.c: Update tree_pass descriptors.
4134 * tree-ssa-forwprop.c: Update tree_pass descriptors.
4135 * tree-ssa-dce.c: Update tree_pass descriptors.
4136 * tree-ssa.c: Update tree_pass descriptors.
4137 * regclass.c: Update tree_pass descriptors.
4138 * integrate.c: Update tree_pass descriptors.
4139 * tree-optimize.c: Update tree_pass descriptors.
4140 * tree-ssa-phiprop.c: Update tree_pass descriptors.
4141 * tree-object-size.c: Update tree_pass descriptors.
4142 * combine.c: Update tree_pass descriptors.
4143 * tree-outof-ssa.c: Update tree_pass descriptors.
4144 * bb-reorder.c: Update tree_pass descriptors.
4145 * stack-ptr-mod.c: Update tree_pass descriptors.
4146 * var-tracking.c: Update tree_pass descriptors.
4147 * tree-profile.c: Update tree_pass descriptors.
4148 * tree-vect-generic.c: Update tree_pass descriptors.
4149 * reg-stack.c: Update tree_pass descriptors.
4150 * sched-rgn.c: Update tree_pass descriptors.
4151 * tree-ssa-structalias.c: Update tree_pass descriptors.
4152 * tree-cfg.c: Update tree_pass descriptors.
4153 * passes.c (current_pass): Update declaration.
4154 (finish_optimization_passes): Update.
4155 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
4156 (register_one_dump_file, register_dump_files_1, next_pass_1):
4158 (init_optimization_passes): Update handling of new types.
4159 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
4160 * ipa-struct-reorg.c: Update tree_pass descriptors.
4161 * tree-ssa-reassoc.c: Update tree_pass descriptors.
4162 * combine-stack-adj.c: Update tree_pass descriptors.
4163 * cfgrtl.c: Update tree_pass descriptors.
4164 * dce.c: Update tree_pass descriptors.
4165 * tree-ssanames.c: Update tree_pass descriptors.
4167 2008-03-19 Richard Guenther <rguenther@suse.de>
4170 * tree-ssa.c (walk_data): New structure.
4171 (warn_uninitialized_var): If not always_executed warn with "maybe"
4173 (execute_early_warn_uninitialized): Compute post-dominators.
4174 Initialize always_executed before processing each basic block.
4176 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
4179 * config/i386/i386.c (x86_this_parameter): Calculate correct location
4180 of "this" pointer when "regparm = N" or "fastcall" is in effect.
4182 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4184 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
4186 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
4188 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
4190 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
4191 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
4192 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
4193 target after ignore has been set, and move there also the commputation
4194 of subtarget and original_target.
4195 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
4196 (LANG_HOOKS_INITIALIZER): Remove it.
4197 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
4199 2008-03-18 Richard Guenther <rguenther@suse.de>
4201 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
4202 found an expression with constants, note that in the VN for the lhs.
4203 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
4204 fold them to constants if possible. Run cleanup_cfg if done so.
4205 (execute_pre): Return todo.
4207 (execute_fre): Likewise.
4208 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
4210 (get_prop_source_stmt): Look through pointer conversions.
4212 2008-03-18 Jan Hubicka <jh@suse.cz>
4214 * tree-pretty-print.c: Include predict.h.
4215 (dump_generic_node): Dump predictor.
4216 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
4217 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
4218 * gimple-low.c (lower_stmt): Likewise.
4219 * expr.c (expand_expr_real): Likewise.
4220 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
4222 (build_predict_expr, build_predict_expr): New.
4223 * predict.h (predictor_name, build_predict_expr): Update.
4224 * c-typeck.c (c_finish_bc_stmt): Add prediction.
4225 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
4226 * predict.def (PRED_CONTINUE): Update hitrate.
4227 * tree.def (PREDICT_EXPR): Define.
4228 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
4229 do not handle BIND_EXPR.
4230 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
4231 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
4232 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
4235 2008-03-18 Michael Matz <matz@suse.de>
4237 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
4239 2008-03-18 Richard Guenther <rguenther@suse.de>
4241 * tree-gimple.h (is_gimple_invariant_address): Declare.
4242 (is_gimple_constant): Likewise.
4243 * tree-gimple.c (is_gimple_constant): New function.
4244 (is_gimple_invariant_address): Likewise.
4245 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
4246 and is_gimple_invariant_address.
4247 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
4249 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
4250 an addressable base.
4252 2008-03-18 Jakub Jelinek <jakub@redhat.com>
4255 * gimplify.c (gimplify_expr): Gimplify second operand of
4258 2008-03-17 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/19637
4261 * fold-const.c (fold_unary): Remove restrictions of removing
4262 intermediate pointer-conversions (P2)(P1)P0.
4263 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
4264 conversion to void pointer.
4265 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
4267 2008-03-16 James E. Wilson <wilson@tuliptree.org>
4270 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
4271 emulated thread local variables.
4273 2008-03-16 Richard Guenther <rguenther@suse.de>
4276 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
4277 expand TREE_INVARIANT operations that are not gimple invariant.
4279 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
4281 * doc/extend.texi (Alignment): Say that the ABI controls
4282 the __alignof__ for non-strict-alignment targets rather
4283 than being a recommendation.
4285 2008-03-15 Paul Brook <paul@codesourcery.com>
4287 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
4289 (arm_output_fn_unwind): Mark functions that can not be unwound.
4291 2008-03-15 Paul Brook <paul@codesourcery.com>
4293 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
4294 extension instructions.
4296 2008-03-15 Richard Guenther <rguenther@suse.de>
4298 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
4299 and fold constant aggregate refs.
4300 (fold_const_aggregate_ref): Handle string constants
4301 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
4302 (evaluate_stmt): Simplify now that ccp_fold folds constant
4305 2008-03-15 Paul Brook <paul@codesourcery.com>
4307 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
4308 (extzv): Use gen_extzv_t2.
4309 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
4311 2008-03-15 Richard Guenther <rguenther@suse.de>
4313 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
4314 (fold_const_aggregate_ref): Likewise.
4315 (get_value): Return NULL if we don't have any values.
4316 (ccp_finalize): Set const_val to NULL after freeing it.
4317 * tree-flow.h (get_symbol_constant_value): Declare.
4318 (fold_const_aggregate_ref): Likewise.
4319 * tree-ssa-sccvn.c (try_to_simplify): Use them.
4321 2008-03-15 Richard Guenther <rguenther@suse.de>
4324 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
4325 to not produce negative array indices if not allowed. Add
4326 parameter to indicate that.
4327 (maybe_fold_offset_to_component_ref): Allow negative array
4328 indices only for the first member of a structure.
4329 (maybe_fold_offset_to_reference): Allow negative array indices.
4330 (maybe_fold_stmt_addition): Likewise.
4332 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
4333 Anatoly Sokolov <aesok@post.ru>
4335 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
4336 (avr_arch): Add ARCH_AVR6.
4337 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
4338 (initial_elimination_offset): Initialize and use 'avr_pc_size'
4339 instead of fixed value 2.
4340 (print_operand_address): Use gs() asm specifier instead of pm().
4341 (avr_assemble_integer): (Ditto.).
4342 (avr_output_addr_vec_elt): (Ditto.).
4343 (print_operand): Handle "!" code.
4344 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
4345 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
4346 (AVR_HAVE_EIJMP_EICALL): Define.
4347 (AVR_3_BYTE_PC): Redefine.
4348 (AVR_2_BYTE_PC): (Ditto.).
4349 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
4350 (LINK_SPEC): Add atmega2560 and atmega2561.
4351 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
4353 * config/avr/avr.md (call_insn): Use eicall instead of icall
4354 for 3 byte PC devices.
4355 (call_value_insn): (Ditto.).
4356 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
4357 (indirect_jump): Use only for for 2 byte PC devices.
4358 (*tablejump): (Ditto.).
4359 (*indirect_jump_avr6): Add insn.
4360 (*tablejump_rjmp): Don't use for 3 byte PC devices.
4361 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
4362 instead of ijmp for 3 byte PC devices.
4363 (__tablejump2__): (Ditto.).
4364 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
4365 (MULITLIB_DIRNAMES): (Ditto.).
4366 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
4368 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
4370 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
4371 "sse2_umulsidi3". Use V1DI mode for operand 0.
4372 ("mmx_psadbw"): Use V1DI mode for operand 0.
4373 * config/i386/i386-modes.def (V1SI): New vector mode.
4374 * config/i386/i386.c (struct builtin_description)
4375 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
4376 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
4377 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
4378 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
4379 v1di_ftype_v8qi_v8qi type.
4380 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
4382 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
4383 __builtin_ia32_pmuludq]: Fix the mode of return value.
4385 2008-03-15 Richard Guenther <rguenther@suse.de>
4388 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
4391 2008-03-14 Bob Wilson <bob.wilson@acm.org>
4393 * doc/invoke.texi (Option Summary, Xtensa Options): Document
4394 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
4395 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
4396 unless TARGET_SERIALIZE_VOLATILE is enabled.
4397 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
4398 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
4399 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
4401 2008-03-14 Richard Guenther <rguenther@suse.de>
4403 PR tree-optimization/34172
4404 * tree-flow.h (refs_may_alias_p): Declare.
4405 (get_single_def_stmt): Likewise.
4406 (get_single_def_stmt_from_phi): Likewise.
4407 (get_single_def_stmt_with_phi): Likewise.
4408 * tree-dfa.c (refs_may_alias_p): New function.
4409 (get_single_def_stmt): Likewise.
4410 (get_single_def_stmt_from_phi): Likewise.
4411 (get_single_def_stmt_with_phi): Likewise.
4412 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
4413 (vn_reference_lookup_1): New helper function.
4414 (vn_reference_lookup): Walk the virtual use-def chain to
4415 continue searching for a match if the def does not alias the
4416 reference we are looking for.
4418 2008-03-14 David Edelsohn <edelsohn@gnu.org>
4420 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
4421 archive and Perzl. Update The Written Word listing.
4423 2008-03-14 Richard Guenther <rguenther@suse.de>
4425 PR tree-optimization/34043
4426 PR tree-optimization/33989
4427 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
4429 (bitmap_find_leader): Use extra argument to verify dominance
4430 relationship inside a basic-block.
4431 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
4432 (find_leader_in_sets): Adjust.
4433 (create_component_ref_by_pieces): Take extra argument for
4434 dominance check, handle lookup failures.
4435 (find_or_generate_expression): Likewise.
4436 (create_expression_by_pieces): Likewise.
4437 (insert_into_preds_of_block): Adjust.
4438 (create_value_expr_from): If asked for, verify all operands
4439 are in the blocks AVAIL_OUT set.
4440 (make_values_for_stmt): Check for SSA_NAMEs that are life
4441 over an abnormal edge.
4442 (compute_avail): Remove such check.
4443 (do_SCCVN_insertion): New function.
4444 (eliminate): If we do not find a leader suitable for replacement
4445 insert a replacement expression from SCCVN if available.
4446 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
4447 (struct vn_ssa_aux): Add needs_insertion flag.
4448 * tree-ssa-sccvn.c (may_insert): New global flag.
4449 (copy_reference_ops_from_ref): Value-number union member access
4450 based on its size, not type and member if insertion is allowed.
4451 (visit_reference_op_load): For a weak match from union type
4452 punning lookup a view-converted value and insert a SSA_NAME
4453 for that value if that is not found.
4454 (visit_use): Make dumps shorter. Do not disallow value numbering
4455 SSA_NAMEs that are life over an abnormal edge to constants.
4456 (free_scc_vn): Release inserted SSA_NAMEs.
4457 (run_scc_vn): New flag to specify whether insertion is allowed.
4458 Process SSA_NAMEs in forward order.
4459 * tree-ssa-loop-im.c (for_each_index): Handle invariant
4460 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
4461 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
4462 pointer type to/from integral types that do not change the
4463 precision to regular conversions.
4465 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4467 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4468 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4469 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
4470 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
4471 input arguments and the mode of return value. Built-in functions
4472 that operate on whole 64-bit MMX register now use V1DI mode.
4474 2008-03-13 Alon Dayan <alond@il.ibm.com>
4475 Olga Golovanevsky <olga@il.ibm.com>
4477 PR tree-optimization/35041
4478 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
4479 to locate the right position in a statement.
4481 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4485 * config/i386/xmmintrin.h: Change all static inline functions to
4486 extern inline and add __gnu_inline__ attribute.
4487 * config/i386/bmintrin.h: Ditto.
4488 * config/i386/smmintrin.h: Ditto.
4489 * config/i386/tmmintrin.h: Ditto.
4490 * config/i386/mmintrin-common.h: Ditto.
4491 * config/i386/ammintrin.h: Ditto.
4492 * config/i386/emmintrin.h: Ditto.
4493 * config/i386/pmmintrin.h: Ditto.
4494 * config/i386/mmintrin.h: Ditto.
4495 * config/i386/mm3dnow.h: Ditto.
4497 2008-03-13 Jakub Jelinek <jakub@redhat.com>
4500 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
4501 (lower_omp_2): New function.
4502 (lower_omp_1, lower_omp): Rewritten.
4504 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
4507 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
4508 with the phrase "Microsoft Windows compilers".
4509 (Push/Pop Macro Pragmas): New subsection. Document
4510 #pragma push_macro and pragma pop_macro.
4512 2008-03-12 Paul Brook <paul@codesourcery.com>
4514 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
4516 2008-03-12 Paul Brook <paul@codesourcery.com>
4518 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
4519 (thumb2_alusi3_short): Exclude PLUS and MINUS.
4520 (thumb2_addsi_shortim): Rename ...
4521 (thumb2_addsi_short): ... to this. Allow register operands.
4522 (thumb2_subsi_short): New pattern.
4523 (thumb2_one_cmplsi2_short,
4524 thumb2_negsi2_short): New patterns and peepholes.
4526 2008-03-12 Paul Brook <paul@codesourcery.com>
4528 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
4530 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
4532 * config/i386/i386.md (int_cond): New code iterator.
4534 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
4535 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
4536 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
4537 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
4538 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
4539 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
4540 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
4541 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
4543 2008-03-12 Paul Brook <paul@codesourcery.com>
4545 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
4546 instead of {arm,thumb}_compute_save_reg_mask.
4547 (output_return_instruction): Ditto.
4548 (thumb_unexpanded_epilogue): Ditto.
4549 (thumb1_expand_prologue): Ditto.
4550 (thumb1_output_function_prologue): Ditto.
4551 (arm_set_return_address): Ditto.
4552 (thumb_set_return_address): Ditto.
4553 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
4554 regs to achieve stack alignment.
4555 (thumb1_compute_save_reg_mask): Fix compiler warning.
4556 (arm_output_epilogue): Use offsets->saved_regs_mask.
4557 Adjust stack pointer by poping call clobered registers.
4558 (arm_expand_prologue): Use offsets->saved_regs_mask.
4559 Adjust stack pointer by pushing extra registers.
4560 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4562 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
4565 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4566 conversion to the operands of a multiplication.
4568 2008-03-12 Richard Guenther <rguenther@suse.de>
4570 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4571 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4572 * timevar.def (TV_TREE_PHIPROP): Add.
4573 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4574 pass description. Use TV_TREE_PHIPROP.
4575 * tree-ssa-forwprop.c: Remove phiprop code.
4577 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4580 * omp-low.c (maybe_lookup_decl): Constify first argument.
4581 (use_pointer_for_field): Change last argument from bool to
4582 omp_context *. Disallow shared copy-in/out in nested
4583 parallel if decl is shared in outer parallel too.
4584 (build_outer_var_ref, scan_sharing_clauses,
4585 lower_rec_input_clauses, lower_copyprivate_clauses,
4586 lower_send_clauses, lower_send_shared_vars): Adjust callers.
4588 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
4589 Ira Rosen <irar@il.ibm.com>
4591 * tree-vectorizer.c (free_stmt_vec_info): New function.
4592 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4593 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4594 * tree-vectorizer.h (free_stmt_vec_info): Declare.
4595 * tree-vect-transform.c (vectorizable_conversion): Free
4596 vec_oprnds0 if it was allocated.
4597 (vect_permute_store_chain): Remove unused VECs.
4598 (vectorizable_store): Free VECs that are allocated in the..
4600 (vect_transform_strided_load, vectorizable_load): Likewise.
4601 (vect_remove_stores): Simplify the code.
4602 (vect_transform_loop): Move code to vect_remove_stores().
4603 Call vect_remove_stores() and free_stmt_vec_info().
4605 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4607 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4608 TARGET_HPUX. Revise comment.
4609 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4610 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4611 Use sr4 variant of `be' instruction when not generating PIC code.
4612 (attr_length_call): Adjust for above change.
4614 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4616 * ipa-reference.c (static_execute): Remove module_statics_const and
4617 associated setting code.
4619 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4622 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4623 predicate for operand 1.
4624 (paritysi2_cmp): Use register_operand predicate for operand 2.
4625 Use earlyclobber modifier for operand 1. Remove support for
4627 (paritydi2_cmp): Use register_operand predicate for operand 3.
4628 Use earlyclobber modifier for operand 1. Remove support for
4631 2008-03-11 Paul Brook <paul@codesourcery.com>
4632 Vladimir Prus <vladimir@codesourcery.com>
4634 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4635 (arm_compute_save_reg0_reg12_mask): Always
4636 check if register 11 must be saved. Always safe hard frame pointer
4637 when frame_pointer_needeed.
4638 (arm_compute_save_reg_mask): Save IP and PC
4639 only with apcs frames.
4640 (arm_output_epilogue): Adjust Thumb2 codepath to
4641 be also invoked and work for ARM non-apcs frames.
4642 (arm_expand_prologue): Don't bother saving IP
4643 for non-apcs frame, since it's not clobbered by
4644 prologue code. Implement non-apcs frame
4647 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4649 PR rtl-optimization/35281
4650 * expr.c (convert_move): Use a new pseudo for the intermediate
4651 from_mode->word_mode result.
4653 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4655 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4656 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4657 * toplev.c (compile_file): Don't call it.
4659 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4662 * expr.c (store_expr): Call emit_block_move if the mode
4663 of "temp" RTX is BLKmode.
4665 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4666 Richard Guenther <rguenther@suse.de>
4668 PR tree-optimization/31358
4669 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4670 the step with a NULL_TREE.
4671 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4672 to sizetype if type is a pointer type.
4673 (add_candidate_1): Don't convert the base and step to
4674 the generic type if the orginal type is a pointer type.
4675 (add_iv_value_candidates): Use sizetype for the step
4676 if type is a pointer type.
4677 (cand_value_at): Likewise.
4678 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4680 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4681 Don't convert the tem affine to the type.
4682 (add_elt_to_tree): Use sizetype for the step if a pointer.
4683 Use POINTER_PLUS_EXPR for pointers.
4684 (aff_combination_to_tree): Use sizetype for the step if a
4687 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
4689 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4690 Remove commutativity hint.
4692 2008-03-10 Jakub Jelinek <jakub@redhat.com>
4696 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4697 errorneous type. Check that v is a VAR_DECL.
4700 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4702 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
4704 PR tree-optimization/35494
4705 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4706 may be overriden at link and run time.
4708 2008-03-10 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/34677
4711 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4712 (poolify_tree): Likewise.
4713 (modify_expr_template): Likewise.
4714 (poolify_modify_stmt): Likewise.
4715 (insert_fake_stores): Handle all component-ref style stores
4716 in addition to INDIRECT_REF. Also handle complex types.
4717 Do not poolify the inserted load.
4718 (realify_fake_stores): Do not rebuild the tree but only
4719 make it a SSA_NAME copy.
4720 (init_pre): Remove initialzation of modify_expr_template.
4721 Do not allocate modify_expr_node_pool.
4722 (fini_pre): Do not free modify_expr_node_pool.
4724 2008-03-10 Paul Brook <paul@codesourcery.com>
4726 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4729 2008-03-10 Paul Brook <paul@codesourcery.com>
4730 Mark Shinwell <shinwell@codesourcery.com>
4732 * config/arm/cortex-r4.md: New.
4733 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4735 * config/arm/arm.md: Include cortex-r4.md.
4736 (insn): Add smmls, sdiv and udiv values.
4737 (generic_sched): Don't use generic scheduling for Cortex-R4.
4738 (arm_issue_rate): New function.
4739 (TARGET_SCHED_ISSUE_RATE): Define.
4741 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
4743 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4745 2008-03-10 Richard Guenther <rguenther@suse.de>
4747 * tree-ssa-pre.c (get_sccvn_value): Simplify.
4748 (compute_avail): Do not add stmt uses to AVAIL_OUT.
4750 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
4752 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4753 Set default to true.
4755 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4757 * c.opt (Wsynth): Deprecate.
4758 * doc/invoke.texi (Option Summary, Warning Options): Document
4759 -Wno-format-contains-nul.
4761 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
4764 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4765 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4767 2008-03-09 Ira Rosen <irar@il.ibm.com>
4769 * config/rs6000/rs6000.c (builtin_description): Rename vector
4770 left shift operations.
4771 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4772 (altivec_vsl<VI_char>): Rename to ...
4773 (ashl<mode>3): ... new name.
4774 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4776 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4778 2008-03-08 Richard Guenther <rguenther@suse.de>
4780 * coverage.h (tree_coverage_counter_addr): Declare.
4781 * coverage.c (tree_coverage_counter_addr): New function.
4782 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4784 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4785 (tree_gen_one_value_profiler): Likewise.
4786 (tree_gen_ic_profiler): Likewise.
4787 (tree_gen_average_profiler): Likewise.
4788 (tree_gen_ior_profiler): Likewise.
4790 2008-03-08 Richard Guenther <rguenther@suse.de>
4792 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4793 (vn_binary_op_insert): Likewise.
4794 (vn_unary_op_lookup): Likewise.
4795 (vn_unary_op_insert): Likewise.
4796 (vn_nary_op_lookup): Declare.
4797 (vn_nary_op_insert): Likewise.
4798 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4799 and binary hashes, use a single obstack for unary_op_pool
4801 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4802 a single struct vn_nary_op_s. Store tree code length and
4803 a variable number of operands.
4804 (struct vn_reference_op_struct): Remove unused op2.
4805 (vn_reference_op_eq): Do not compare op2.
4806 (vn_reference_op_compute_hash): Do not compute hash of op2.
4807 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4808 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4809 with vn_nary_op_compute_hash.
4810 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4811 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4813 (vn_unary_op_insert, vn_binary_op_insert): Replace with
4815 (visit_unary_op): Call nary functions.
4816 (visit_binary_op): Likewise.
4817 (process_scc): Adjust for struct vn_tables_s changes.
4818 (allocate_vn_table): Likewise.
4819 (free_vn_table): Likewise.
4820 * tree-vn.c (vn_add): Call nary functions.
4821 (vn_lookup): Likewise.
4823 2008-03-08 Jakub Jelinek <jakub@redhat.com>
4826 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4827 wdst back after sync_compare_and_swapqhi_internal.
4829 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
4832 * config/i386/i386-modes.def (V1DI): New vector mode.
4833 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4834 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4835 (MMXMODE248): Ditto.
4836 (MMXMODE): Add V1DI mode.
4837 (mmxvecsize): Change DI mode to V1DI mode.
4838 ("mov<mode>): Use MMXMODEI8 mode iterator.
4839 ("*mov<mode>_internal_rex64"): Ditto.
4840 ("*mov<mode>_internal"): Ditto.
4841 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
4842 ("mmx_sub<mode>3"): Ditto.
4843 ("mmx_adddi3"): Remove insn pattern.
4844 ("mmx_subdi3"): Ditto.
4845 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4846 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4847 ("mmx_ashl<mode>3"): Ditto.
4848 ("mmx_lshrdi3"): Remove insn pattern.
4849 ("mmx_ashldi3"): Ditto.
4850 * config/i386/i386.c (classify_argument): Handle V1DImode.
4851 (function_arg_advance_32): Ditto.
4852 (function_arg_32): Ditto.
4853 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4854 mmx_addv1di3 insn pattern.
4855 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4856 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4857 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4858 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4859 Remove definitions of built-in functions.
4860 (V1DI_type_node): New node.
4861 (v1di_ftype_v1di_int): Ditto.
4862 (v1di_ftype_v1di_v1di): Ditto.
4863 (v2si_ftype_v2si_si): Ditto.
4864 (v4hi_ftype_v4hi_di): Remove node.
4865 (v2si_ftype_v2si_di): Ditto.
4866 (ix86_init_mmx_sse_builtins): Handle V1DImode.
4867 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4868 Redefine builtins using def_builtin_const with *_ftype_*_int node.
4869 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4870 Add new builtins using def_builtin_const.
4871 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4872 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4873 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4874 * config/i386/mmintrin.h (__v1di): New typedef.
4875 (_mm_add_si64): Cast arguments to __v1di type.
4876 (_mm_sub_si64): Ditto.
4877 (_mm_sll_pi16): Cast __count to __v4hi type.
4878 (_mm_sll_pi32): Cast __count to __v2si type.
4879 (_mm_sll_si64): Cast arguments to __v1di type.
4880 (_mm_srl_pi16): Cast __count to __v4hi type.
4881 (_mm_srl_pi32): Cast __count to __v2si type.
4882 (_mm_srl_si64): Cast arguments to __v1di type.
4883 (_mm_sra_pi16): Cast __count to __v4hi type.
4884 (_mm_sra_pi32): Cast __count to __v2si type.
4885 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4886 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4887 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4888 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4889 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4890 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4891 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4892 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4893 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4894 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4895 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4896 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4898 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4900 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4902 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4905 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4906 reg+const addressing for Altivec modes. Don't generate reg+reg
4907 addressing for TFmode or TDmode quantities.
4909 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4911 * c-common.c (vector_types_convertible_p): Call langhook
4912 instead of comptypes.
4914 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4917 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4918 integral and scalar float variables which have a
4921 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4923 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4924 dwarf_register_span hook when emitting unwind information for
4925 register-to-memory saves.
4926 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4927 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4929 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4931 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4932 for the same VAR_DECL.
4934 2008-03-06 Tom Tromey <tromey@redhat.com>
4937 * doc/standards.texi (Standards): Don't mention treelang.
4938 * doc/invoke.texi (Overall Options): Don't mention treelang.
4939 * doc/install.texi (Prerequisites): Don't mention bison or
4941 (Configuration): Don't mention treelang.
4942 (Building): Likewise.
4943 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4945 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4947 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4948 word-extractions out of a multi-word object.
4950 2008-03-06 Richard Guenther <rguenther@suse.de>
4952 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4953 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4954 result type and precision.
4955 * expr.c (get_inner_reference): Set unsignedp based on the result
4956 type of BIT_FIELD_REF.
4957 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4958 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4959 (try_instantiate_multiple_fields): Likewise. Use the correct type
4961 (sra_build_assignment): Likewise.
4962 (sra_build_elt_assignment): Likewise.
4963 (sra_explode_bitfield_assignment): Likewise.
4964 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4965 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4966 set BIT_FIELD_REF_UNSIGNED.
4967 (vectorizable_load): Likewise.
4969 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4971 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4974 2008-03-06 Richard Guenther <rguenther@suse.de>
4976 * alias.c (struct alias_set_entry): Move has_zero_child field
4977 to pack with alias_set.
4979 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4981 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4984 2008-03-05 Ian Lance Taylor <iant@google.com>
4986 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4988 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4990 * fwprop.c (update_df): Support width and offset parameters of
4992 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4993 global_conflicts): Change DF_REF_EXTRACT to either
4994 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4995 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4996 * df-scan.c (df_ref_record, df_defs_record,
4997 df_ref_create_structure, df_def_record_1, df_uses_record,
4998 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4999 df_bb_refs_collect, df_entry_block_defs_collect,
5000 df_exit_block_uses_collect): Support new width and offset fields.
5001 (ref_extract_pool): New storage pool.
5002 (df_free_ref): New function.
5003 (df_reg_chain_unlink, df_free_collection_rec,
5004 df_sort_and_compress_refs): Call df_free_ref.
5005 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
5007 (df_ref_create_structure): Allocate df_ref_extract if offset and
5008 width fields are used.
5009 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
5010 (df_uses_record): Get offset and width from ZERO_EXTRACT
5012 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
5013 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
5014 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
5015 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
5016 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
5017 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
5018 (df_ref_extract): New structure.
5019 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
5020 (df_ref_create): Add width and offset parameters.
5022 2008-03-05 Richard Guenther <rguenther@suse.de>
5024 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5025 Use ranges_overlap_p.
5026 (offset_overlaps_with_access): Rename
5027 to ranges_overlap_p and move ...
5028 * tree-flow-inline.h (ranges_overlap_p): ... here.
5030 * tree.h (get_inner_reference, handled_component_p): Update
5033 * tree.h (record_component_aliases, get_alias_set,
5034 alias_sets_conflict_p, alias_sets_must_conflict_p,
5035 objects_must_conflict_p): Move declarations ...
5036 * alias.h (record_component_aliases, get_alias_set,
5037 alias_sets_conflict_p, alias_sets_must_conflict_p,
5038 objects_must_conflict_p): ... here.
5039 Include coretypes.h.
5040 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
5042 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
5044 * cfg.c: Include tree-flow.h.
5045 (remove_edge_raw): Call redirect_edge_var_map_clear.
5046 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
5047 * tree-flow-inline.h (redirect_edge_var_map_def): New.
5048 (redirect_edge_var_map_result): New.
5049 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
5050 PENDING_STMT use with redirect_edge_var_map_*.
5051 * tree-ssa.c (edge_var_maps): New definition.
5052 (redirect_edge_var_map_add): New.
5053 (redirect_edge_var_map_clear): New.
5054 (redirect_edge_var_map_dup): New.
5055 (redirect_edge_var_map_vector): New.
5056 (redirect_edge_var_map_destroy): New.
5057 (ssa_redirect_edge): Replace PENDING_STMT use with
5058 redirect_edge_var_map_*.
5059 (flush_pending_stmts): Same.
5060 (delete_tree_ssa): Destroy edge var map.
5061 * tree-flow.h (struct _edge_var_map): New.
5062 Define edge_var_map vector type.
5063 Declare redirect_edge_var_map_* prototypes.
5064 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
5065 * tree-cfg.c (reinstall_phi_args): Replace
5066 PENDING_STMT use with redirect_edge_var_map_*.
5068 2008-03-05 Richard Guenther <rguenther@suse.de>
5070 PR tree-optimization/35472
5071 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
5072 whose single use_stmt has a overlapping set of loaded and
5073 stored symbols as that use_stmt might be a noop assignment then.
5075 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
5077 * gthr-rtems.h: Implement __gthread_mutex_destroy.
5079 2008-03-05 Richard Guenther <rguenther@suse.de>
5082 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
5083 should be constants.
5084 * tree-cfg.c (verify_expr): Verify it.
5085 * fold-const.c (fold_truthop): Remove code generating
5086 BIT_FIELD_REFs of structure bases.
5087 (fold_binary): Likewise.
5088 (fold_ternary): Position and size of BIT_FIELD_REFs are
5089 always host integers.
5090 (make_bit_field_ref): Remove.
5091 (optimize_bit_field_compare): Remove.
5092 (all_ones_mask_p): Remove.
5094 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
5097 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
5098 (split_block_and_df_analyze): New. Split basic block and rebuild
5100 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
5102 (split_pattern_seq): Likewise.
5103 (erase_matching_seqs): Likewise.
5104 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
5106 2008-03-04 Geoff Keating <geoffk@apple.com>
5108 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
5109 declaration and code.
5110 (tree_invalid_nonnegative_warnv_p): Likewise.
5112 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5114 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
5115 examples. Truncate option-names then causing overfull hbox.
5117 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5120 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
5122 * configure: Rebuilt.
5124 2008-03-04 Rafael Espindola <espindola@google.com>
5126 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
5127 (tree_unary_nonnegative_warnv_p): New.
5128 (tree_binary_nonnegative_warnv_p): New.
5129 (tree_single_nonnegative_warnv_p): New.
5130 (tree_invalid_nonnegative_warnv_p): New.
5131 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
5133 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5136 * opts.c (handle_option): Postpone 'unknown option' errors only for
5139 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
5142 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
5145 2008-03-04 Rafael Espindola <espindola@google.com>
5147 * fold-const.c (tree_unary_nonzero_warnv_p): New.
5148 (tree_binary_nonzero_warnv_p): New.
5149 (tree_single_nonzero_warnv_p): New.
5150 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
5152 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
5155 * fold-const.c (fold_cond_expr_with_comparison): Prevent
5156 transformations for modes that have signed zeros.
5157 * ifcvt.c (noce_try_abs): Ditto.
5159 2008-03-04 Joseph Myers <joseph@codesourcery.com>
5161 * config/i386/i386.c (override_options): Force
5162 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
5164 2008-03-04 Jan Hubicka <jh@suse.cz>
5167 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
5170 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
5172 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
5173 label to probe the stack.
5175 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
5177 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
5178 (__gthr_win32_mutex_destroy): Declare.
5179 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
5180 __gthr_win32_mutex_destroy.
5181 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
5183 2008-03-03 Jan Hubicka <jh@suse.cz>
5186 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
5187 aggressive on inlining cold calls.
5189 2008-03-03 Richard Guenther <rguenther@suse.de>
5191 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
5192 struct copies into the expression table.
5193 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
5194 (try_to_simplify): Likewise.
5195 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
5196 integral and pointer arguments which do not change the
5197 precision to NOP_EXPRs.
5198 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
5199 VIEW_CONVERT_EXPR case.
5201 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
5203 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5204 defined in a loop at depth 0 is invariant.
5205 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5206 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5207 be called at loop depth 0.
5209 2008-03-02 Jakub Jelinek <jakub@redhat.com>
5212 * gcc.c (process_command): Update copyright notice dates.
5213 * gcov.c (print_version): Likewise.
5214 * gcov-dump.c (print_version): Likewise.
5215 * mips-tfile.c (main): Likewise.
5216 * mips-tdump.c (main): Likewise.
5218 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5221 * c-common.c (flag_permissive): Delete.
5222 (constant_expression_warnings): Check flags first.
5223 (constant_expression_error): New.
5224 * c-common.h (flag_permissive): Delete.
5225 (constant_expression_error): Declare.
5226 * flags.h (flag_permissive): Declare. Update description.
5227 * diagnostic.c (pedwarn): Update.
5229 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
5230 (permissive_error_kind): New.
5231 * toplev.c (flag_permissive): Define. Update description.
5232 * toplev.h (permissive_error_kind): Declare.
5233 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
5234 (pedwarn_c90): Use pedantic_warning_kind.
5235 * c-opts.c (c_common_post_options): flag_permissive does not affect
5236 flag_pedantic_errors.
5238 2008-03-02 Joseph Myers <joseph@codesourcery.com>
5240 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
5241 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
5242 __absvsi2, __absvDI2): Use unsigned arithmetic.
5244 2008-03-02 Andi Kleen <ak@suse.de>
5245 Richard Guenther <rguenther@suse.de>
5247 * struct-equiv.c: Remove file.
5248 * cfg_cleanup.c (condjump_equiv_p): Remove.
5249 * Makefile.in (OBJS-common): Remove struct-equiv.o.
5250 (struct-equiv.o): Remove rule.
5251 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
5252 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
5253 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
5255 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5257 * ifcvt.c (noce_process_if_block): Try to handle only the then
5258 block if the else block exists but isn't suitable.
5260 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
5263 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
5264 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
5265 regression from previous patch.
5267 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
5270 * gthr.h: Add __gthread_mutex_destroy as a function that must be
5272 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
5273 * gthr-single.h (__gthread_mutex_destroy): Likewise.
5274 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
5275 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
5276 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
5277 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
5278 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
5279 (__gthread_mutex_destroy_function): Rename to
5280 __gthread_mutex_destroy.
5281 * gthr-dce.h (__gthread_mutex_destroy): Call
5282 pthread_mutex_destroy.
5283 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
5284 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
5285 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
5287 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5289 * df-scan.c (df_ref_chain_change_bb): Simplify.
5290 (df_insn_change_bb): Add new_bb argument. Simplify. Call
5291 set_block_for_insn if there's any change.
5292 * df.h ((df_insn_change_bb): Fix prototype.
5293 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
5294 df_insn_change_bb, don't call set_block_for_insn.
5295 * emit-rtl.c (reorder_insns): Likewise.
5296 * haifa-sched.c (move_insn): Likewise.
5298 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5300 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
5302 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5304 * tree-flow-inline.h (next_readonly_imm_use): Return
5305 NULL_USE_OPERAND_P after the end.
5307 2008-03-01 Richard Guenther <rguenther@suse.de>
5309 PR tree-optimization/35411
5310 * tree-sra.c (sra_build_assignment): Split conversion to
5311 final type to a separate statement if we are not assigning
5314 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5316 * fold-const.c (fold_convertible_p): Correct the logic to follow
5317 that in fold_convert().
5319 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
5322 * tree-inline.c (build_duplicate_type): When we make a
5323 duplicate type, make it unique in the canonical types system.
5325 2008-02-29 Tom Tromey <tromey@redhat.com>
5327 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
5328 input_file_stack_history, input_file_stack_restored): Remove.
5329 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5330 * input.h (struct file_stack): Remove.
5331 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5332 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
5334 * diagnostic.h (struct diagnostic_context) <last_module>: Change
5336 (diagnostic_last_module_changed): Add 'map' argument.
5337 (diagnostic_set_last_function): Likewise.
5338 * diagnostic.c (undiagnostic_report_current_module): Iterate using
5339 line map, not input_file_stack.
5340 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
5342 2008-02-29 Paul Brook <paul@codesourcery.com>
5344 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
5346 2008-02-29 Paul Brook <paul@codesourcery.com>
5348 * config/arm/ieee754-df.S (muldf3): Use RET macros.
5350 2008-02-29 Richard Guenther <rguenther@suse.de>
5352 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
5354 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
5355 value for comparing for a store match.
5356 (simplify_unary_expression): Do nothing for SSA_NAMEs.
5357 (try_to_simplify): Do not do a full-blown reference lookup.
5359 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
5361 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
5362 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5364 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
5366 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
5368 * tree-loop-linear.c (try_interchange_loops): Compare memory access
5369 strides against cache sizes.
5371 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
5373 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
5376 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
5378 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
5379 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
5380 is smaller than the original promoted value.
5381 (simplify_subreg): If OP is a SUBREG, try to preserve its
5382 SUBREG_PROMOTED_VAR_P information.
5384 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5386 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
5387 (VN_INFO_GET): Allocate new objects on the obstack.
5388 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
5389 for rpo_numbers_temp, for consistency.
5390 (free_scc_vn): Free the obstack.
5392 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
5394 * doc/invoke.texi: Document -ftree-loop-distribution.
5395 * tree-loop-distribution.c: New.
5396 * tree-pass.h (pass_loop_distribution): New.
5397 * graphds.h (struct graph): Add htab_t indices.
5398 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5399 * tree-vectorizer.c (rename_variables_in_loop): Extern.
5400 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
5401 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5402 * tree-data-ref.c (debug_data_dependence_relations): New.
5403 (dump_data_dependence_relation): Also print data references.
5404 (free_data_ref): Extern.
5405 (same_access_functions): Moved...
5406 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5407 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5408 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5409 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
5410 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
5411 (stmts_from_loop): Skip LABEL_EXPR.
5412 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
5414 (build_rdg): Initialize rdg->indices htab.
5415 (free_rdg, stores_from_loop, ref_base_address,
5416 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5417 have_similar_memory_accesses_1, ref_base_address_1,
5418 remove_similar_memory_refs): New.
5419 * tree-data-ref.h: Depend on tree-chrec.h.
5420 (debug_data_dependence_relations, free_data_ref): Declared.
5421 (same_access_functions): ... here.
5422 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
5424 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
5425 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
5426 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
5427 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5428 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5429 rdg_vertex_for_stmt): Declared.
5430 (struct rdg_edge): Add level.
5432 (free_rdg, stores_from_loop, remove_similar_memory_refs,
5433 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
5435 (rdg_has_similar_memory_accesses): New.
5436 * tree-vect-analyze.c: Remove unused static decls.
5437 * lambda.h (dependence_level): New.
5438 * common.opt (ftree-loop-distribution): New.
5439 * tree-flow.h (mark_virtual_ops_in_bb,
5440 slpeel_tree_duplicate_loop_to_edge_cfg,
5441 rename_variables_in_loop): Declared.
5442 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
5443 (OBJS-common): Add tree-loop-distribution.o.
5444 (tree-loop-distribution.o): New rule.
5445 * tree-cfg.c (mark_virtual_ops_in_bb): New.
5446 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5447 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
5449 2008-02-28 Joseph Myers <joseph@codesourcery.com>
5452 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
5453 other than structures and unions.
5455 2008-02-28 Richard Guenther <rguenther@suse.de>
5458 2008-02-26 Richard Guenther <rguenther@suse.de>
5460 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5461 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5462 (lookup_decl_from_uid): Declare.
5463 (remove_decl_from_map): Likewise.
5464 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5465 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5466 (decl_for_uid_map): New global hashtable mapping DECL_UID
5468 (init_ttree): Allocate it.
5469 (insert_decl_to_uid_decl_map): New helper function.
5470 (make_node_stat): Insert new decls into the map.
5471 (copy_node_stat): Likewise.
5472 (lookup_decl_from_uid): New function.
5473 (remove_decl_from_map): Likewise.
5474 (print_decl_for_uid_map_statistics): New helper.
5475 (dump_tree_statistics): Call it.
5477 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5478 (referenced_var_iterator): Adjust.
5479 (FOR_EACH_REFERENCED_VAR): Adjust.
5480 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5481 (num_referenced_vars): Adjust.
5482 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5483 (first_referenced_var): Remove.
5484 (end_referenced_vars_p): Likewise.
5485 (next_referenced_var): Likewise.
5486 (referenced_var_iterator_set): New helper function.
5487 * tree-dfa.c (referenced_var_lookup): Adjust.
5488 (referenced_var_check_and_insert): Likewise.
5489 (remove_referenced_var): Likewise.
5490 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5491 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5492 (verify_call_clobbering): Likewise.
5493 (verify_memory_partitions): Likewise.
5494 (init_tree_ssa): Allocate bitmap instead of hashtable for
5496 (delete_tree_ssa): Adjust.
5497 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5498 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5499 (compute_tag_properties): Likewise.
5500 (set_initial_properties): Likewise.
5501 (find_partition_for): Likewise.
5502 (update_reference_counts): Likewise.
5503 (dump_may_aliases_for): Likewise.
5504 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5505 (add_call_clobber_ops): Likewise.
5506 (add_call_read_ops): Likewise.
5507 (get_asm_expr_operands): Likewise.
5508 * tree-into-ssa.c (dump_decl_set): Likewise.
5509 (update_ssa): Likewise.
5510 * tree-sra.c (scan_function): Likewise.
5511 (decide_instantiations): Likewise.
5512 (scalarize_parms): Likewise.
5513 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5514 (dsa_named_for): Likewise.
5515 * tree-ssa-structalias.c (update_alias_info): Likewise.
5516 (merge_smts_into): Likewise.
5518 2008-02-27 David Daney <ddaney@avtrex.com>
5521 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
5522 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
5523 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
5524 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
5525 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
5527 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
5530 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
5531 (BUILT_IN_NEXTTOWARD): Remove.
5532 (BUILT_IN_NEXTTOWARDF): Ditto.
5533 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
5534 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
5536 2008-02-27 Tom Tromey <tromey@redhat.com>
5538 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
5539 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
5541 2008-02-27 Jan Beulich <jbeulich@novell.com>
5543 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
5544 update the respective field on newdecl.
5546 2008-02-27 Revital Eres <eres@il.ibm.com>
5548 PR rtl-optimization/34999
5549 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
5550 crossing edges that ends with a call insn.
5551 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
5552 call insn and clear the EDGE_CROSSING flag of the crossing edge
5553 when fixing fallthru edges.
5555 2008-02-27 Richard Guenther <rguenther@suse.de>
5558 * fold-const.c (fold_unary): Return the correct argument,
5559 converted to the result type.
5561 2008-02-27 Richard Guenther <rguenther@suse.de>
5564 * expr.c (expand_expr_real_1): Assert on rotates that operate
5566 * fold-const.c (fold_binary): Use the types precision, not the
5567 bitsize of the mode if folding rotate expressions. Build rotates
5568 only for full modes.
5570 2008-02-27 Jakub Jelinek <jakub@redhat.com>
5572 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5574 * c-pragma.c (pragma_ns_name): New typedef.
5575 (registered_pp_pragmas): New variable.
5576 (c_pp_lookup_pragma): New function.
5577 (c_register_pragma_1): If flag_preprocess_only, do nothing
5578 for non-expanded pragmas, for expanded ones push pragma's
5579 namespace and name into registered_pp_pragmas vector.
5580 (c_invoke_pragma_handler): Register OpenMP pragmas even when
5581 flag_preprocess_only, don't register GCC pch_preprocess
5582 pragma if flag_preprocess_only.
5583 * c-opts.c (c_common_init): Call init_pragma even if
5584 flag_preprocess_only.
5585 * c-pragma.c (c_pp_lookup_pragma): New prototype.
5586 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5587 cpp_register_pragma if flag_preprocess_only.
5589 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5592 * c-parser.c (c_parser_translation_unit): Warn for empty
5593 translation unit, not empty source file.
5595 2008-02-26 Paul Brook <paul@codesourcery.com>
5597 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5598 operand for Thumb-2.
5599 * config/arm/arm.h (reg_class): Add CORE_REGS.
5600 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5601 (BASE_REG_CLASS): Use CORE_REGS.
5602 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5603 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5604 (REGNO_OK_FOR_INDEX_P): Exclude SP.
5605 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
5606 ARM_REGNO_OK_FOR_INDEX_P.
5607 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5608 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5609 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5610 (ldm/stm peepholes): Ditto.
5611 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5612 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5613 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5614 * config/arm/constraints.md: Enable "k" constraint on ARM.
5616 2008-02-27 Ben Elliston <bje@au.ibm.com>
5618 * config/rs6000/rs6000.c: Annotate cache line size field in all
5619 instances of struct processor_costs.
5621 2008-02-26 David Edelsohn <edelsohn@gnu.org>
5623 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5624 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5625 jump_bypass): New counters.
5626 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5627 * dce.c (gate_ud_dce): Same.
5628 (gate_fast_dce): Same.
5629 * dse.c (gate_dse1): New function.
5630 (gate_dse2): New function.
5631 (gate_dse): Merge results of new gate functions.
5632 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5633 (gate_handle_jump_bypass): Add dbg_cnt.
5634 (gate_handle_gcse): Add dbg_cnt.
5635 * ifcvt.c (gate_handle_if_conversion): Same.
5636 (gate_handle_if_after_combine): Same.
5637 (gate_handle_if_after_reload): Same.
5638 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5640 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
5642 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5644 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5646 2008-02-26 Jason Merrill <jason@redhat.com>
5649 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
5650 alone if it's the naming decl for the type's main variant.
5652 2008-02-26 Tom Tromey <tromey@redhat.com>
5654 * system.h (USE_MAPPED_LOCATION): Poison.
5655 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5656 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5657 (make_goto_expr_edges): Likewise.
5658 (remove_bb): Likewise.
5659 (execute_warn_function_return): Likewise.
5660 * basic-block.h (struct edge_def) <goto_locus>: Change type to
5662 * c-common.c (fname_decl): Remove old location code.
5663 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5665 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5667 (ASM_INPUT_SOURCE_LOCATION): Likewise.
5668 (gen_rtx_ASM_INPUT): Likewise.
5669 (gen_rtx_ASM_INPUT_loc): Likewise.
5670 (get_rtx_asm_OPERANDS): Remove.
5671 * cfglayout.c (insn_locators_alloc): Remove old location code.
5672 (set_curr_insn_source_location): Likewise.
5673 (curr_insn_locator): Likewise.
5674 * print-tree.c (print_node): Remove old location code.
5675 * tree-mudflap.c (mf_varname_tree): Remove old location code.
5676 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5677 * cfgexpand.c (expand_gimple_cond_expr): Don't use
5678 location_from_locus.
5679 (construct_exit_block): Remove old location code.
5680 * emit-rtl.c (force_next_line_note): Remove old location code.
5681 * profile.c (branch_prob): Remove old location code.
5682 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5683 LOC_LINE): Remove old-location variants.
5684 * langhooks.c (lhd_print_error_function): Remove old location
5686 * configure, config.in: Rebuilt.
5687 * configure.ac (--enable-mapped-location): Remove.
5688 * c-decl.c (c_init_decl_processing): Remove old location code.
5689 (finish_function): Likewise.
5690 * recog.c (decode_asm_operands): Remove old location code.
5691 * c-pch.c (c_common_read_pch): Remove old location code.
5692 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5694 * gimple-low.c (lower_function_body): Remove old location code.
5695 * toplev.c (unknown_location): Remove.
5696 (push_srcloc): Remove old-location variant.
5697 (process_options): Remove old location code.
5698 (lang_dependent_init): Likewise.
5699 * input.h (UNKNOWN_LOCATION): Move definition.
5700 (location_t): Undeprecate.
5701 (source_locus): Remove.
5702 (location_from_locus): Remove.
5703 (struct location_s): Remove.
5704 Remove all old-location code.
5705 (input_line, input_filename): Remove.
5706 * final.c (final_scan_insn): Remove old location code.
5707 * diagnostic.c (diagnostic_build_prefix): Remove
5708 USE_MAPPED_LOCATION test.
5709 * tree.h (gimple_stmt) <locus>: Now a location_t.
5710 (tree_exp) <locus>: Likewise.
5711 (DECL_IS_BUILTIN): Remove old-location variant.
5712 (annotate_with_file_line, annotate_with_locus): Likewise.
5713 (expr_locus, set_expr_locus): Update.
5714 * tree.c (build1_stat): Remove old location code.
5715 (last_annotated_node): Remove.
5716 (annotate_with_file_line): Remove old-location variant.
5717 (annotate_with_locus): Likewise.
5718 (expr_location): Remove old location code.
5719 (set_expr_location): Likewise.
5720 (expr_has_location): Likewise.
5721 (expr_locus): Likewise.
5722 (set_expr_locus): Likewise.
5723 (expr_filename): Don't use location_from_locus.
5724 (expr_lineno): Likewise.
5725 * rtl-error.c (location_for_asm): Remove old location code.
5726 * c-lex.c (cb_line_change): Remove old location code.
5727 (fe_file_change): Likewise.
5728 (cb_def_pragma): Likewise.
5729 (c_lex_with_flags): Likewise.
5730 * gengtype.c (do_typedef): Don't special-case location types.
5731 (define_location_structures): Remove.
5732 (main): Don't call define_location_structures.
5733 * tree-pretty-print.c (dump_implicit_edges): Remove old location
5736 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5739 * builtins.def (BUILT_IN_STDARG_START): Remove.
5740 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5741 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5742 * tree-inline.c (inline_forbidden_p_1): Likewise.
5744 2008-02-26 Richard Guenther <rguenther@suse.de>
5746 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5747 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5748 (lookup_decl_from_uid): Declare.
5749 (remove_decl_from_map): Likewise.
5750 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5751 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5752 (decl_for_uid_map): New global hashtable mapping DECL_UID
5754 (init_ttree): Allocate it.
5755 (insert_decl_to_uid_decl_map): New helper function.
5756 (make_node_stat): Insert new decls into the map.
5757 (copy_node_stat): Likewise.
5758 (lookup_decl_from_uid): New function.
5759 (remove_decl_from_map): Likewise.
5760 (print_decl_for_uid_map_statistics): New helper.
5761 (dump_tree_statistics): Call it.
5763 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5764 (referenced_var_iterator): Adjust.
5765 (FOR_EACH_REFERENCED_VAR): Adjust.
5766 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5767 (num_referenced_vars): Adjust.
5768 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5769 (first_referenced_var): Remove.
5770 (end_referenced_vars_p): Likewise.
5771 (next_referenced_var): Likewise.
5772 (referenced_var_iterator_set): New helper function.
5773 * tree-dfa.c (referenced_var_lookup): Adjust.
5774 (referenced_var_check_and_insert): Likewise.
5775 (remove_referenced_var): Likewise.
5776 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5777 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5778 (verify_call_clobbering): Likewise.
5779 (verify_memory_partitions): Likewise.
5780 (init_tree_ssa): Allocate bitmap instead of hashtable for
5782 (delete_tree_ssa): Adjust.
5783 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5784 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5785 (compute_tag_properties): Likewise.
5786 (set_initial_properties): Likewise.
5787 (find_partition_for): Likewise.
5788 (update_reference_counts): Likewise.
5789 (dump_may_aliases_for): Likewise.
5790 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5791 (add_call_clobber_ops): Likewise.
5792 (add_call_read_ops): Likewise.
5793 (get_asm_expr_operands): Likewise.
5794 * tree-into-ssa.c (dump_decl_set): Likewise.
5795 (update_ssa): Likewise.
5796 * tree-sra.c (scan_function): Likewise.
5797 (decide_instantiations): Likewise.
5798 (scalarize_parms): Likewise.
5799 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5800 (dsa_named_for): Likewise.
5801 * tree-ssa-structalias.c (update_alias_info): Likewise.
5802 (merge_smts_into): Likewise.
5804 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5807 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5808 * c-opts.c (c_common_handle_option): Wall enables
5809 Wvolatile-register-var.
5810 * common.opt: Move Wvolatile-register-var to...
5813 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5815 * common.opt (Wlarger-than=): New.
5816 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5818 * opts.c (common_handle_option): Handle -Wlarger-than=.
5819 * optc-gen.awk: Likewise.
5820 * opth-gen.awk: Likewise.
5821 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5822 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5824 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5826 * c-common.c (match_case_to_enum_1): Add appropriate
5827 OPT_W* parameter to warning.
5828 (c_do_switch_warnings): Likewise.
5829 * c-typeck.c (warning_init): Add one more parameter following
5831 (push_init_level): Update call to warning_init.
5832 (pop_init_level): Likewise.
5833 (add_pending_init): Likewise.
5834 (output_init_element: Likewise.
5836 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5839 * toplev.c (toplev_main): If there are warnings or error, print
5840 errors for ignored options.
5841 * opts.c (ignored_options): New static variable.
5842 (postpone_unknown_option_error): New.
5843 (print_ignored_options): New.
5844 (handle_option): Postpone errors for unknown -Wno-* options.
5845 * opts.h (print_ignored_options): Declare.
5847 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
5849 * config/mips/mips.md (loadgp_blockage, blockage): Change type
5852 2008-02-25 Richard Guenther <rguenther@suse.de>
5855 2008-02-25 Richard Guenther <rguenther@suse.de>
5857 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5858 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5859 (lookup_decl_from_uid): Declare.
5860 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5861 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5862 (decl_for_uid_map): New global hashtable mapping DECL_UID
5864 (init_ttree): Allocate it.
5865 (insert_decl_to_uid_decl_map): New helper function.
5866 (make_node_stat): Insert new decls into the map.
5867 (copy_node_stat): Likewise.
5868 (lookup_decl_from_uid): New function.
5869 (print_decl_for_uid_map_statistics): New helper.
5870 (dump_tree_statistics): Call it.
5872 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5873 (referenced_var_iterator): Adjust.
5874 (FOR_EACH_REFERENCED_VAR): Adjust.
5875 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5876 (num_referenced_vars): Adjust.
5877 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5878 (first_referenced_var): Remove.
5879 (end_referenced_vars_p): Likewise.
5880 (next_referenced_var): Likewise.
5881 (referenced_var_iterator_set): New helper function.
5882 * tree-dfa.c (referenced_var_lookup): Adjust.
5883 (referenced_var_check_and_insert): Likewise.
5884 (remove_referenced_var): Likewise.
5885 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5886 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5887 (verify_call_clobbering): Likewise.
5888 (verify_memory_partitions): Likewise.
5889 (init_tree_ssa): Allocate bitmap instead of hashtable for
5891 (delete_tree_ssa): Adjust.
5892 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5893 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5894 (compute_tag_properties): Likewise.
5895 (set_initial_properties): Likewise.
5896 (find_partition_for): Likewise.
5897 (update_reference_counts): Likewise.
5898 (dump_may_aliases_for): Likewise.
5899 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5900 (add_call_clobber_ops): Likewise.
5901 (add_call_read_ops): Likewise.
5902 (get_asm_expr_operands): Likewise.
5903 * tree-into-ssa.c (dump_decl_set): Likewise.
5904 (update_ssa): Likewise.
5905 * tree-sra.c (scan_function): Likewise.
5906 (decide_instantiations): Likewise.
5907 (scalarize_parms): Likewise.
5908 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5909 (dsa_named_for): Likewise.
5910 * tree-ssa-structalias.c (update_alias_info): Likewise.
5911 (merge_smts_into): Likewise.
5913 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5916 * doc/invoke.texi (-fcx-limited-range): Document new option.
5917 * toplev.c (process_options): Handle -fcx-fortran-rules.
5918 * common.opt: Add documentation for -fcx-fortran-rules.
5920 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5923 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5924 actual behaviour and C99.
5926 2008-02-26 Ben Elliston <bje@au.ibm.com>
5928 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5929 (ASM_CPU_POWER6_SPEC): Likewise.
5930 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5931 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5932 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5934 2008-02-25 Richard Guenther <rguenther@suse.de>
5936 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5937 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5938 (lookup_decl_from_uid): Declare.
5939 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5940 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5941 (decl_for_uid_map): New global hashtable mapping DECL_UID
5943 (init_ttree): Allocate it.
5944 (insert_decl_to_uid_decl_map): New helper function.
5945 (make_node_stat): Insert new decls into the map.
5946 (copy_node_stat): Likewise.
5947 (lookup_decl_from_uid): New function.
5948 (print_decl_for_uid_map_statistics): New helper.
5949 (dump_tree_statistics): Call it.
5951 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5952 (referenced_var_iterator): Adjust.
5953 (FOR_EACH_REFERENCED_VAR): Adjust.
5954 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5955 (num_referenced_vars): Adjust.
5956 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5957 (first_referenced_var): Remove.
5958 (end_referenced_vars_p): Likewise.
5959 (next_referenced_var): Likewise.
5960 (referenced_var_iterator_set): New helper function.
5961 * tree-dfa.c (referenced_var_lookup): Adjust.
5962 (referenced_var_check_and_insert): Likewise.
5963 (remove_referenced_var): Likewise.
5964 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5965 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5966 (verify_call_clobbering): Likewise.
5967 (verify_memory_partitions): Likewise.
5968 (init_tree_ssa): Allocate bitmap instead of hashtable for
5970 (delete_tree_ssa): Adjust.
5971 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5972 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5973 (compute_tag_properties): Likewise.
5974 (set_initial_properties): Likewise.
5975 (find_partition_for): Likewise.
5976 (update_reference_counts): Likewise.
5977 (dump_may_aliases_for): Likewise.
5978 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5979 (add_call_clobber_ops): Likewise.
5980 (add_call_read_ops): Likewise.
5981 (get_asm_expr_operands): Likewise.
5982 * tree-into-ssa.c (dump_decl_set): Likewise.
5983 (update_ssa): Likewise.
5984 * tree-sra.c (scan_function): Likewise.
5985 (decide_instantiations): Likewise.
5986 (scalarize_parms): Likewise.
5987 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5988 (dsa_named_for): Likewise.
5989 * tree-ssa-structalias.c (update_alias_info): Likewise.
5990 (merge_smts_into): Likewise.
5992 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5995 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5996 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5997 * alias.h (nonoverlapping_memrefs_p): Likewise.
5999 2008-02-25 Jan Beulich <jbeulich@novell.com>
6001 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
6002 * config/i386/netware-libgcc.exp: Add __bswap?i2,
6003 __emultls_get_address, __emultls_register_common,
6004 __floatundi?f, and _Unwind_GetIPInfo.
6005 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
6006 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
6007 (gen_regparm_prefix): Likewise.
6008 (i386_nlm_encode_section_info): Sync with
6009 config/i386/winnt.c:i386_pe_encode_section_info().
6010 (i386_nlm_maybe_mangle_decl_assembler_name): New.
6011 i386_nlm_mangle_decl_assembler_name): New.
6012 (netware_override_options): New.
6013 * config/i386/netware.h (netware_override_options): Declare.
6014 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
6015 (i386_nlm_mangle_decl_assembler_name): Declare.
6016 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
6018 2008-02-25 Ben Elliston <bje@au.ibm.com>
6021 * c-decl.c (grokdeclarator): Remove unused local variables
6022 `typedef_type' and `type_as_written'.
6024 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
6025 unused local variable `has_hot_blocks'.
6026 (fix_crossing_conditional_branches): Remove unused local variable
6029 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
6032 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
6033 using DEF_C99_BUILTIN.
6034 (BUILT_IN_NANF): Ditto.
6035 (BUILT_IN_NANL): Ditto.
6037 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
6038 Revital Eres <eres@il.ibm.com>
6040 * modulo-sched.c (calculate_must_precede_follow): Address TODO
6041 regarding the order of two dependent insns in the same row.
6043 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
6045 * stor-layout.c (layout_decl): Do not bump the alignment of a
6046 bit-field to more than byte alignment if it is packed.
6048 2008-02-24 David Edelsohn <edelsohn@gnu.org>
6050 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
6053 2008-02-24 Diego Novillo <dnovillo@google.com>
6055 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
6058 * tree-vrp.c (vrp_evaluate_conditional): With
6059 -Wtype-limits, emit a warning when comparing against a
6060 constant outside the natural range of OP0's type.
6061 * c.opt (Wtype-limits): Move ...
6062 * common.opt (Wtype-limits): ... here.
6064 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
6066 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
6067 * config/rs6000/e300c2c3.md: New file.
6068 * config/rs6000/rs6000.c (processor_costs): Add new costs for
6070 (rs6000_override_options): Add e300c2 and e300c3 cases to
6071 processor_target_table. Do not allow usage of Altivec or Spe
6072 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
6073 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
6074 * config/rs6000/rs6000.h (processor_type): Add
6075 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
6076 (ASM_CPU_SPEC): Add e300c2 and e300c3.
6077 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
6078 and ppce300c3. Include e300c2c3.md.
6080 2008-02-23 David Edelsohn <edelsohn@gnu.org>
6082 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
6083 instead of TARGET_STRICT_ALIGN.
6085 2008-02-23 Joseph Myers <joseph@codesourcery.com>
6087 * explow.c (memory_address): Assert that the generated address is
6090 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6093 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
6094 * config/darwin-ppc-ldouble-patch.def: New file.
6095 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
6096 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
6097 SUBTARGET_INIT_BUILTINS if defined.
6098 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
6101 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
6104 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
6105 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
6107 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
6110 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
6111 file" warning condtional on -Winvalid-PCH.
6113 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
6115 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
6117 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
6121 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
6122 prevent reload from using MMX registers.
6123 (*mov<mode>_internal): Ditto.
6124 (*movv2sf_internal_rex64): Ditto.
6125 (*movv2sf_internal): Ditto.
6127 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6129 PR documentation/31569
6130 * doc/install.texi2html: Use makeinfo --no-number-sections.
6132 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6134 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
6135 ensure that we can address an entire entity > 8 bytes. Don't
6136 generate reg+reg addressing for such data.
6138 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6140 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
6141 strings when optimizing for size, unless the target cares about
6144 2008-02-22 Tom Tromey <tromey@redhat.com>
6146 * regclass.c (current_pass): Remove declaration.
6148 2008-02-22 Anatoly Sokolov <aesok@post.ru>
6150 * config/avr/libgcc.S (__RAMPZ__): Define.
6151 (__do_copy_data): Add for devices with 128KB code memory.
6153 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6155 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6157 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6159 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
6161 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
6164 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6167 * c-typeck.c (build_binary_op): Warn about floating point
6168 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
6170 2008-02-21 Janis Johnson <janis187@us.ibm.com>
6173 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
6174 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
6176 (rs6000_override_options): Set altivec_abi as default, not override,
6177 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
6178 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
6179 is used; use new member spe_abi.
6180 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
6181 spe_abi and altivec_abi.
6183 2008-02-22 Tomas Bily <tbily@suse.cz>
6185 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
6187 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6190 * config.build (build_file_translate): Set to `CMD //c' only if
6192 * Makefile.in (build_file_translate): Improve comment.
6194 2008-02-21 Jan Hubicka <jh@suse.cz>
6196 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
6197 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
6198 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
6200 2008-02-21 Michael Matz <matz@suse.de>
6203 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
6205 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
6207 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
6208 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
6210 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
6211 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
6212 SSE_VEC_FLOAT_MODE_P as insn constraint.
6213 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
6214 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
6215 sse4a_movntdf using MODEF mode iterator.
6216 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
6217 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
6218 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
6219 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
6220 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
6221 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
6222 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
6224 2008-02-21 Richard Guenther <rguenther@suse.de>
6226 * tree.def (PAREN_EXPR): New tree code.
6227 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
6229 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
6230 * expr.c (expand_expr_real_1): Likewise.
6231 * tree-inline.c (estimate_num_insns_1): Likewise.
6232 * tree-complex.c (expand_complex_move): Likewise.
6233 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
6236 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
6239 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
6241 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
6244 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
6246 * config/sh/sh.c (find_barrier): Don't go past
6247 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
6249 2008-02-20 DJ Delorie <dj@redhat.com>
6251 * config/h8300/h8300.md (insv): Force source operand to be a register.
6253 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
6254 as a jump, not as a plain insn.
6256 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
6258 * doc/invoke.texi (Warning Options): Add new option
6259 -Wframe-larger-than=.
6260 (-Wframe-larger-than): Document.
6262 * flags.h (warn_frame_larger_than, frame_larger_than_size):
6263 Add declarations for new option variables.
6265 * final.c (final_start_function): Check the frame size
6266 before emission and issue a Wframe-larger-than warning.
6268 * opts.c (warn_frame_larger_than, frame_larger_than_size):
6269 Add definitions for new option variables.
6270 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
6272 * common.opt (Wframe-larger-than=): New option.
6274 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
6276 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
6277 (<sse>_div<mode>3): Ditto.
6278 (<sse>_vmdiv<mode>3): Ditto.
6279 (<sse>_vmsqrt<mode>2): Ditto.
6280 (*smax<mode>3): Ditto.
6281 (sse5_frcz<mode>2): Ditto.
6282 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
6285 2008-02-20 Richard Guenther <rguenther@suse.de>
6288 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
6289 be happy with INTEGRAL_TYPE_P.
6291 2008-02-20 Richard Guenther <rguenther@suse.de>
6293 * fold-const.c (split_tree): Associate floatig-point expressions
6294 if flag_associative_math is set.
6296 2008-02-20 Richard Guenther <rguenther@suse.de>
6298 * tree.h (fold_real_zero_addition_p): Declare.
6299 * fold-const.c (fold_real_zero_addition_p): Export.
6300 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
6301 floating-point operations with zero and one.
6303 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
6305 * doc/install.texi: Correct references to CFLAGS, replacing them
6306 with BOOT_CFLAGS. Document flags used during bootstrap for
6309 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
6311 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
6312 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
6313 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
6315 (smin<mode>3): Ditto from similar patterns.
6316 (smax<mode>3): Ditto.
6317 (*ieee_smin<mode>3): Ditto.
6318 (*ieee_smax<mode>3): Ditto.
6319 * config/i386/sse.md (sse): New mode attribute.
6320 (mov<mode>): Macroize expander from movv4sf and movv2df using
6321 SSEMODEF2P mode iterator.
6322 (<sse>_movnt<mode>): Ditto from similar patterns. Use
6323 SSE_VEC_FLOAT_MODE_P as insn constraint.
6324 (storent<mode>): Ditto.
6325 (storent<mode>): Macroize expander from storentsf and storentdf using
6326 MODEF mode iterator.
6327 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
6328 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
6329 (abs<mode>2): Ditto from similar patterns.
6330 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
6331 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
6332 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
6333 (<sse>_vmsqrt<mode>2): Ditto.
6334 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
6335 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
6336 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
6337 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
6338 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
6339 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
6340 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
6342 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
6343 iterator and SSE_FLOAT_MODE_P as insn constraint.
6344 (<sse>_ucomi): Ditto from similar patterns.
6345 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
6346 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
6347 SSE_VEC_FLOAT_MODE_P as insn constraint.
6348 (vcond<mode>): Ditto from similar patterns.
6349 (and<mode>3, *and<mode>3): Ditto.
6350 (<sse>_nand<mode>3): Ditto.
6351 (ior<mode>3, *ior<mode>3): Ditto.
6352 (xor<mode>3, *xor<mode>3): Ditto.
6353 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
6354 iterator and SSE_FLOAT_MODE_P as insn constraint.
6355 (*nand<mode>3): Ditto from similar patterns.
6356 (*ior<mode>3): Ditto.
6357 (*xor<mode>3): Ditto.
6359 2008-02-20 Ira Rosen <irar@il.ibm.com>
6361 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
6362 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
6363 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
6365 2008-02-19 Jan Hubicka <jh@suse.cz>
6367 * predict.c (tree_bb_level_predictions): Remove variable next
6368 mistakely introduced by previous commit.
6370 2008-02-19 Jan Hubicka <jh@suse.cz>
6372 * predict.c (predict_paths_leading_to): Rewrite.
6373 (predict_paths_for_bb): New.
6374 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
6376 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6379 * Makefile.in (build_file_translate): New.
6380 (gcc-vers.texi): Use it for translating $(abs_srcdir).
6381 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
6382 * configure.ac (build_file_translate): Substitute it.
6383 * configure: Regenerate.
6385 2008-02-19 Jan Hubicka <jh@suse.cz>
6387 PR rtl-optimization/34408
6388 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
6391 2008-02-19 Jan Hubicka <jh@suse.cz>
6394 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
6397 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
6400 * config/i386/i386-modes.def: Revert the last DI alignment
6401 change until Ada people can look into it.
6403 2008-02-19 Nick Clifton <nickc@redhat.com>
6405 * opts.c (print_specific_help): Fix typo in --help text.
6407 2008-02-19 Jakub Jelinek <jakub@redhat.com>
6410 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
6411 32-bit inline asm without asm alternatives for host GCC < 3.0.
6413 2008-02-19 Richard Guenther <rguenther@suse.de>
6415 PR tree-optimization/34989
6416 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
6417 Allow propagation to INDIRECT_REF if we can simplify only.
6419 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6421 * c-common.c (warn_for_collisions_1): Use appropriate option when
6424 2008-02-19 Nick Clifton <nickc@redhat.com>
6427 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
6428 (handle_options): Fix indentation.
6429 (print_filtered_help): If no language-specific options were
6430 displayed tell the user how to list all the options supported by
6431 the language's front-end.
6432 (print_specific_help): Fix indentation and remove duplicate line.
6433 (common_handle_option): Handle the -v option.
6434 For --help enable the display of undocumented options if the -v
6435 switch has been included on the command line.
6436 For --help= check for overlaps in the arguments between the option
6437 classes and the language names and issue a warning when they
6438 cannot be disambiguated.
6439 * c.opt (v): Pass on to the common option handler.
6441 2008-02-19 Revital Eres <eres@il.ibm.com>
6443 * modulo-sched.c (sms_schedule): Change dump message when
6444 create_ddg function fails.
6445 (try_scheduling_node_in_cycle): Rename row to cycle.
6446 (print_partial_schedule): Rename CYCLE to ROW.
6448 2008-02-19 Christian Bruel <christian.bruel@st.com>
6449 Zdenek Dvorak <ook@ucw.cz>
6451 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
6453 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6456 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
6457 (*x86_movdicc_0_m1_se): Ditto.
6459 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6461 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
6462 (CMPtype): Define as __gcc_CMPtype.
6463 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
6464 (CMPtype): Define as __gcc_CMPtype.
6466 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
6468 Support valgrind 3.3 for --enable-checking=valgrind.
6469 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
6471 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
6472 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
6473 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
6474 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
6475 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
6476 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
6477 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
6479 * ggc-zone.c: Similar.
6480 * ggc-page.c: Similar.
6482 2008-02-19 Paul Brook <paul@codesourcery.com>
6485 * config/arm/ieee754-df.S: Fix do_it typo.
6486 * config/arm/ieee754-sf.S: Fix do_it typo.
6488 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6491 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
6492 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
6493 (OPTION_MASK_ISA_SSE_SET): Likewise.
6494 (OPTION_MASK_ISA_SSE2_SET): Likewise.
6495 (OPTION_MASK_ISA_SSE3_SET): Likewise.
6496 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
6497 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
6498 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
6499 (OPTION_MASK_ISA_SSE4_SET): Likewise.
6500 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
6501 (OPTION_MASK_ISA_SSE5_SET): Likewise.
6502 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
6503 (OPTION_MASK_ISA_MMX_UNSET): Updated.
6504 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
6505 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
6506 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
6507 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
6508 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
6509 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
6510 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
6511 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
6512 (OPTION_MASK_ISA_SSE4): Removed.
6513 (ix86_handle_option): Turn on bits in ix86_isa_flags and
6514 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
6515 (override_options): Don't turn on implied SSE/MMX bits in
6518 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6520 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6523 2008-02-18 Joey Ye <joey.ye@intel.com>
6526 * tree-nested.c (insert_field_into_struct): Set type alignment
6527 to field alignment if the former is less than the latter.
6529 2008-02-18 Jakub Jelinek <jakub@redhat.com>
6531 * BASE-VER: Set to 4.4.0.
6533 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6535 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
6536 * doc/cfg.texi: Likewise.
6537 * doc/extend.texi: Likewise.
6538 * doc/gty.texi: Likewise.
6539 * doc/invoke.texi: Likewise.
6540 * doc/loop.texi: Likewise.
6541 * doc/md.texi: Likewise.
6542 * doc/passes.texi: Likewise.
6543 * doc/rtl.texi: Likewise.
6544 * doc/sourcebuild.texi: Likewise.
6545 * doc/tm.texi: Likewise.
6546 * doc/tree-ssa.texi: Likewise.
6548 2008-02-17 Richard Guenther <rguenther@suse.de>
6551 * tree-complex.c (init_parameter_lattice_values): Handle parameters
6552 without default definition.
6554 2008-02-17 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/35231
6557 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
6560 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
6563 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6564 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6565 libgcc_cmp_return mode.
6567 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6570 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6572 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
6574 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6577 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6579 * doc/c-tree.texi: Use `@.' where appropriate.
6580 * doc/extend.texi: Likewise.
6581 * doc/install.texi: Likewise.
6582 * doc/invoke.texi: Likewise.
6583 * doc/loop.texi: Likewise.
6584 * doc/makefile.texi: Likewise.
6585 * doc/md.texi: Likewise.
6586 * doc/passes.texi: Likewise.
6587 * doc/standards.texi: Likewise.
6588 * doc/tm.texi: Likewise.
6590 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6593 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6595 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6596 rather than in entry_bb.
6598 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6600 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6601 libgcc_cmp_return mode.
6603 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6606 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6607 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6609 2008-02-15 Richard Guenther <rguenther@suse.de>
6610 Zdenek Dvorak <ook@ucw.cz>
6612 PR tree-optimization/35164
6613 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6614 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6615 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6616 Only propagate addresses which do not have abnormal SSA_NAMEs
6619 2008-02-15 Joseph Myers <joseph@codesourcery.com>
6622 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6624 2008-02-15 Jan Hubicka <jh@suse.cz>
6627 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6629 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6632 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6633 when calculating alignment_pad.
6635 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6637 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6638 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6639 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6640 and STACK_BOUNDARY define.
6642 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
6644 PR preprocessor/35061
6645 * c-pragma.c (handle_pragma_pop_macro): Check that
6646 pushed_macro_table has been allocated.
6648 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
6651 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6652 (force_gimple_operand): Likewise.
6653 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6654 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6655 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6656 (find_interesting_uses_address): Check addressability and alignment
6657 of the base expression only after substituting bases of IVs into it.
6659 2008-02-14 Michael Matz <matz@suse.de>
6662 * function.c (instantiate_virtual_regs_in_insn): Reload address
6663 before falling back to reloading the whole operand.
6665 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
6667 * config/s390/s390.c (s390_mainpool_start): Emit the pool
6668 before the first section switch note.
6670 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6672 * doc/bugreport.texi: Update copyright years.
6673 * doc/c-tree.texi: Likewise.
6674 * doc/cfg.texi: Likewise.
6675 * doc/cpp.texi: Likewise.
6676 * doc/cppinternals.texi: Likewise.
6677 * doc/fragments.texi: Likewise.
6678 * doc/frontends.texi: Likewise.
6679 * doc/gcc.texi: Likewise.
6680 * doc/gty.texi: Likewise.
6681 * doc/hostconfig.texi: Likewise.
6682 * doc/implement-c.texi: Likewise.
6683 * doc/libgcc.texi: Likewise.
6684 * doc/loop.texi: Likewise.
6685 * doc/makefile.texi: Likewise.
6686 * doc/options.texi: Likewise.
6687 * doc/passes.texi: Likewise.
6688 * doc/rtl.texi: Likewise.
6689 * doc/sourcebuild.texi: Likewise.
6690 * doc/standards.texi: Likewise.
6691 * doc/tree-ssa.texi: Likewise.
6692 * doc/trouble.texi: Likewise.
6694 * doc/extend.texi: Use @: or add comma where appropriate.
6695 * doc/invoke.texi: Likewise.
6696 * doc/tm.texi: Likewise.
6698 2008-02-14 Alan Modra <amodra@bigpond.net.au>
6701 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6704 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
6706 * doc/md.texi (clz, ctz): Add reference.
6707 * doc/rtl.texi (clz, ctz): Likewise.
6709 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6712 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6715 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
6717 * config/s390/s390.c (struct constant_pool): New field
6718 emit_pool_after added.
6719 (s390_mainpool_start): Set the emit_pool_after flag according
6720 to the section switch notes.
6721 (s390_mainpool_finish): Consider emit_pool_after when emitting
6722 the literal pool at the end of the function.
6723 (s390_chunkify_start): Force literal pool splits at section
6726 2008-02-13 Michael Matz <matz@suse.de>
6729 * var-tracking.c (clobber_variable_part): Correctly traverse the
6732 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6735 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6736 Add -fdump-ipa-inline.
6737 * tree-dump.c (dump_files): Remove tree-inlined dump.
6738 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6740 2008-02-12 Richard Guenther <rguenther@suse.de>
6742 PR tree-optimization/35171
6743 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6746 2008-02-12 Richard Guenther <rguenther@suse.de>
6749 * fold-const.c (fold_widened_comparison): Use get_unwidened in
6750 value-preserving mode. Disallow final truncation.
6752 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
6755 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6756 code from here to...
6757 (force_gimple_operand): ...here.
6759 2008-02-12 Jakub Jelinek <jakub@redhat.com>
6762 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6763 non-compatible pointers.
6764 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6765 different FIELD_DECLs, try harder by comparing field offsets, sizes
6769 * function.c (match_asm_constraints_1): Don't replace the same input
6772 2008-02-12 Anatoly Sokolov <aesok@post.ru>
6774 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6775 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6776 (expand_epilogue): Restore RAMPZ register.
6777 * config/avr/avr.md (RAMPZ_ADDR): New constant.
6779 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
6781 * config/i386/cygwin.asm: (__alloca): Correct calling
6782 convention and alignment.
6783 (__chkstk): Force 8 byte stack alignment.
6785 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
6786 Richard Guenther <rguenther@suse.de>
6788 PR tree-optimization/33992
6789 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6790 the zero we compare against.
6792 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
6795 * gthr-win32.h (__gthread_mutex_destroy_function): New function
6796 to CloseHandle after unlocking to prevent accumulation of handle
6799 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6802 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6803 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
6804 and update LABEL_NUSES during and after reload.
6806 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
6809 * combine.c (simplify_if_then_else): Make sure the comparison is
6810 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6812 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
6815 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6816 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6817 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6818 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6819 * tree.h (get_type_static_bounds): Likewise.
6821 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6823 * doc/invoke.texi (Option Summary, C++ Dialect Options)
6824 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6825 Make -Wfoo language annotations match what the compiler outputs.
6827 2008-02-08 Sa Liu <saliu@de.ibm.com>
6829 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
6830 intrinsics spu_convts, spu_convtu, spu_convtf.
6832 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
6834 * doc/extend.texi (Function Attributes) <noinline>: Mention
6835 asm ("") as method to keep calls.
6837 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6840 * doc/options.texi (Options): Replace references to opts.sh with
6842 * opts-common.c: Likewise.
6843 * optc-gen.awk: Likewise.
6845 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
6847 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6849 2008-02-07 Richard Henderson <rth@redhat.com>
6852 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6853 EXPR_LIST for the REG_EQUAL instead of a comparison with a
6856 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
6858 PR tree-optimization/35085
6859 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6860 for operand entry oe2 in addition to operand entry oe3 in order to
6861 expose more opportunities for vectorizer sum reduction.
6863 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6866 * Makefile.in (LIBS): Remove $(GMPLIBS).
6867 (cc1-dummy, cc1): Add $(GMPLIBS).
6869 2008-02-06 Jan Hubicka <jh@suse.cz>
6872 * i386.md (moddf_integer): Do not produce partial memory stalls for
6873 targets where it hurts.
6875 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6878 * optabs.c (expand_float): Do not check for decimal modes when
6879 expanding unsigned integer through signed conversion.
6881 2008-02-06 Nick Clifton <nickc@redhat.com>
6883 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6884 inside the clobber with a match_operand and duplicated operand
6885 number in the constraint.
6886 (ineqbranchsi): Delete redundant comment.
6888 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6890 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6891 builtin_define ("__USE_INIT_FINI__").
6892 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6894 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6896 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6898 PR documentation/30330
6899 * doc/invoke.texi (C++ Dialect Options)
6900 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6901 For each warning option -Wfoo that allows -Wno-foo, ensure both
6902 -Wfoo and -Wno-foo are listed in the option index. Fix index
6903 entry of -Wswitch-default, index -Wnormalized= including the
6904 `=', and -Wlarger-than-@var{len} including @var{len}.
6906 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6908 * config/i386/i386.md (floatunssisf2): Use
6909 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6910 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6911 Macroize expander using MODEF mode iterator.
6913 2008-02-05 Diego Novillo <dnovillo@google.com>
6915 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6918 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6920 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6923 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6925 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6928 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6929 to indicate if a message should be generated.
6930 (init_cumulative_args): Updated.
6931 (function_value_32): Likewise.
6933 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6935 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6937 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6940 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6941 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6943 2008-02-04 Diego Novillo <dnovillo@google.com>
6945 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6948 * tree-vrp.c (vrp_evaluate_conditional): With
6949 -Wtype-limits, emit a warning when comparing against a
6950 constant outside the natural range of OP0's type.
6952 2008-02-04 Richard Guenther <rguenther@suse.de>
6955 * expr.c (count_type_elements): Give for unions instead of
6958 2008-02-04 Richard Guenther <rguenther@suse.de>
6961 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6962 to TYPE_DOMAINs base type instead of using bitsizetype here.
6964 2008-02-03 Jason Merrill <jason@redhat.com>
6966 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6968 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6971 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6972 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6973 (RS/6000 and PowerPC Options): Fix typos and markup.
6974 * doc/passes.texi (Tree-SSA passes): Likewise.
6976 2008-02-02 Michael Matz <matz@suse.de>
6979 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6980 from record_last_reg_set_info.
6981 (record_last_reg_set_info): Take an RTX argument, iterate over all
6982 constituent hardregs.
6983 (record_last_set_info, record_opr_changes): Change calls to
6984 new signature or to record_last_reg_set_info_regno.
6986 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6988 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6990 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6992 PR rtl-optimization/34773
6993 * reg-notes.def (EQUAL): Mention significance of combination of
6994 REG_EQUAL and REG_RETVAL.
6995 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6996 insn that has a REG_RETVAL.
6998 2008-02-01 Roger Sayle <roger@eyesopen.com>
7001 * configure.ac (--enable-fixed-point): Disable unless explicitly
7003 * configure: Regenerate.
7005 2008-02-01 Richard Guenther <rguenther@suse.de>
7008 * invoke.texi (-finline-limit): Remove no longer true parts
7009 of the documentation. Note that there is no default value.
7011 2008-02-01 Andrew Pinski <pinskia@gmail.com>
7012 Mark Mitchell <mark@codesourcery.com>
7013 Ben Elliston <bje@au.ibm.com>
7016 * doc/extend.texi (Other Builtins): Document.
7018 2008-01-31 Tom Browder <tom.browder@gmail.com>
7020 * doc/c-tree.texi (Types): Fix grammar.
7021 (Expression trees): Ditto.
7022 * doc/passes.texi (Tree-SSA passes): Ditto.
7024 * doc/configterms.texi (Configure Terms): Fix typo.
7025 * doc/cpp.texi (Common Predefined Macros): Ditto.
7026 * doc/md.texi (Machine Constraints): Ditto.
7028 * doc/makefile.texi (Makefile): Add comma.
7030 2008-01-31 Tom Browder <tom.browder@gmail.com>
7031 Gerald Pfeifer <gerald@pfeifer.com>
7033 * doc/sourcebuild.texi (Front End): Remove references to CVS
7034 and CVSROOT/modules.
7035 (Texinfo Manuals): Replace reference to CVS by one to SVN.
7036 (Back End): Remove reference to CVS.
7038 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
7041 * config/mips/mips.c (gen_load_const_gp): New function, taking a
7043 (mips16_gp_pseudo_reg): ...here.
7044 * config/mips/mips.md (load_const_gp): Replace with...
7045 (load_const_gp_<mode>): ...this :P-based insn.
7047 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7049 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
7050 options. Minor fixes.
7051 (-std): Move reference to standards closer to where language
7052 standards are first mentioned.
7054 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
7056 PR rtl-optimization/34995
7057 * reload.c (alternative_allows_const_pool_ref): Take an rtx
7058 parameter and return a bool. If the rtx parameter is nonnull,
7059 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
7060 (find_reloads): Update call accordingly. Pass the new operand
7061 if it needed no address reloads, otherwise pass null.
7063 2008-01-30 Richard Henderson <rth@redhat.com>
7066 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
7067 for unbounded arrays.
7069 2008-01-30 Silvius Rus <rus@google.com>
7071 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
7073 2008-01-30 Jan Hubicka <jh@suse.cz>
7076 * i386.c (init_cumulative_args): Use real function declaration when
7079 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
7081 PR rtl-optimization/34998
7082 * global.c (build_insn_chain): Treat non-subreg_lowpart
7083 SUBREGs of pseudos as clobbering all the words covered by the
7084 SUBREG, not just all the bytes.
7085 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
7086 original df_ref rather than an extract parameter.
7087 (global_conflicts): Update call accordingly.
7089 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
7091 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
7092 the overflow check to make it easier to read.
7093 (__fixtfdi): Change the type of the ll member in union
7094 long_double to UDItype_x.
7096 2008-01-30 Jakub Jelinek <jakub@redhat.com>
7099 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
7100 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
7101 * tree-inline.c (fold_marked_statements): Call
7102 cgraph_update_edges_for_call_stmt if folding a call statement.
7103 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
7104 debug_generic_stmt calls, reset it back afterwards.
7107 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
7109 * c-typeck.c (build_external_ref): Don't pedwarn about
7110 static vars in current function's scope.
7112 2008-01-29 Joseph Myers <joseph@codesourcery.com>
7114 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
7116 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
7119 * ipa-struct-reorg.c: Fix spelling.
7120 * params.def: Ditto.
7122 2008-01-29 Richard Guenther <rguenther@suse.de>
7125 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
7127 * tree-inline.c (remap_type): Increment remapping_type_depth
7128 around remapping types.
7129 (copy_body_r): Only add referenced variables if they are referenced
7130 from code, not types.
7132 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
7143 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
7144 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
7146 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
7149 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
7150 pointer for tiny stack.
7152 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
7154 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
7156 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
7158 * config/vx-common.h: Fix typo in comment.
7160 2008-01-28 Ian Lance Taylor <iant@google.com>
7164 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
7165 coalesce pointers if they have different DECL_NO_TBAA_P values.
7166 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
7167 between variables with different DECL_NO_TBAA_P values.
7169 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
7172 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
7173 are not legitimate small data references on SPE targets.
7175 2008-01-28 David Daney <ddaney@avtrex.com>
7177 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
7179 2008-01-28 David Daney <ddaney@avtrex.com>
7181 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
7183 2008-01-27 Joseph Myers <joseph@codesourcery.com>
7185 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
7186 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
7187 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
7188 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
7189 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
7190 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
7191 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
7192 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
7194 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7196 * basic-block.h (condjump_equiv_p): Fix comment.
7198 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7200 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
7201 print_generic_stmt_indented): Fix comment.
7203 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7205 * configure.ac (__stack_chk_fail): Add detecion for availability
7206 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
7207 * configure: Regenerate.
7209 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
7212 * final.c (output_addr_const): Handle TRUNCATE.
7214 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
7217 * tree-ssa-loop-ivopts.c (comp_cost): New type.
7218 (zero_cost, infinite_cost): New constants.
7219 (struct cost_pair): Change type of cost to comp_cost.
7220 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
7221 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
7223 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
7224 split_address_cost, ptr_difference_cost, difference_cost,
7225 get_computation_cost_at, get_computation_cost,
7226 determine_use_iv_cost_generic, determine_use_iv_cost_address,
7227 determine_use_iv_cost_condition, determine_use_iv_costs,
7228 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
7229 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
7230 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
7231 Change type of cost to comp_cost.
7232 (determine_iv_cost): Increase cost of non-original ivs, instead
7233 of decreasing the cost of original ones.
7234 (get_address_cost): Indicate the complexity of the addressing mode
7236 (try_add_cand_for): Prefer using ivs not specific to some object.
7237 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
7239 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
7240 Janis Johnson <janis187@us.ibm.com>
7243 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
7244 (TARGET_INSTANTIATE_DECLS): Likewise.
7245 * target.h (expand_to_rtl_hook): New target hook.
7246 (instantiate_decls): Likewise.
7247 * function.c (instantiate_decl): Make non-static. Rename to...
7248 (instantiate_decl_rtl): ... this.
7249 (instantiate_expr): Use instantiate_decl_rtl.
7250 (instantiate_decls_1): Likewise.
7251 (instantiate_decls): Likewise.
7252 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
7253 * function.h (instantiate_decl_rtl): Add prototype.
7254 * cfgexpand.c (target.h): New include.
7255 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
7256 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
7257 (TARGET_INSTANTIATE_DECLS): Likewise.
7258 (TARGET_INITIALIZER): New target hooks added.
7259 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7261 * config/rs6000/rs6000.c (tree-flow.h): New include.
7262 (machine_function): Add sdmode_stack_slot field.
7263 (rs6000_alloc_sdmode_stack_slot): New function.
7264 (rs6000_instantiate_decls): Likewise.
7265 (rs6000_secondary_memory_needed_rtx): Likewise.
7266 (rs6000_check_sdmode): Likewise.
7267 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
7268 (TARGET_INSTANTIATE_DECLS): Likewise.
7269 (rs6000_hard_regno_mode_ok): Allow SDmode.
7270 (num_insns_constant): Likewise. Handle _Decimal32 constants.
7271 (rs6000_emit_move): Handle SDmode.
7272 (function_arg_advance): Likewise.
7273 (function_arg): Likewise.
7274 (rs6000_gimplify_va_arg): Likewise. Add special handling of
7275 SDmode var args for 32-bit compiles.
7276 (rs6000_secondary_reload_class): Handle SDmode.
7277 (rs6000_output_function_epilogue): Likewise.
7278 (rs6000_function_value): Simplify if statement.
7279 (rs6000_libcall_value): Likewise.
7280 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
7281 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
7282 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
7283 (movsd_hardfloat): New define_insn.
7284 (movsd_softfloat): Likewise.
7285 (movsd_store): Likewise.
7286 (movsd_load): Likewise.
7287 (extendsddd2): Likewise.
7288 (extendsdtd2): Likewise.
7289 (truncddsd2): Likewise.
7290 (movdd_hardfloat64): Fixup comment.
7291 (UNSPEC_MOVSD_LOAD): New constant.
7292 (UNSPEC_MOVSD_STORE): Likewise.
7294 2008-01-26 Jakub Jelinek <jakub@redhat.com>
7297 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
7299 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
7300 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
7301 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
7304 2008-01-26 David Edelsohn <edelsohn@gnu.org>
7307 * config.gcc: Separate AIX 5.3 from AIX 6.1.
7308 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7309 __LONGDOUBLE128 too.
7310 * config/rs6000/aix61.h: New file.
7312 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
7314 PR rtl-optimization/34959
7315 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
7316 popcount and parity rtxes the same mode as their operand.
7317 Truncate or extend the result to the return value's mode
7320 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
7323 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
7324 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
7325 to GOT_VERSION_REGNUM.
7326 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
7327 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
7328 * config/mips/mips.c (mips_emit_call_insn): New function.
7329 (mips_call_tls_get_addr): Call mips_expand_call directly.
7330 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
7332 (mips16_build_call_stub): Likewise. Return the call insn or null.
7333 (mips_expand_call): Update the call to mips16_build_call_stub
7334 accordingly and a remove redundant condition. Assert that MIPS16
7335 stubs do not use lazy binding. Use mips_emit_call_insn and return
7337 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
7339 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
7340 (mips_avoid_hazard): Remove hazard_set handling.
7341 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
7342 (UNSPEC_RESTORE_GP): ...this.
7343 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
7344 (FAKE_CALL_REGNO): Rename to...
7345 (GOT_VERSION_REGNUM): ...this.
7346 (type): Add "ghost" value. Add an associated insn reservation.
7347 (hazard_set): Remove.
7348 (exception_receiver): Rename to...
7349 (restore_gp): ...this and update the unspec identifier accordingly.
7350 (exception_receiver, nonlocal_got_receiver): New expanders.
7351 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
7352 FAKE_CALL_REGNO. Remove hazard_set attribute.
7353 (set_got_version, update_got_version): New patterns.
7355 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
7358 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
7360 2008-01-25 Joseph Myers <joseph@codesourcery.com>
7363 * doc/install.texi2html: Generate gcc-vers.texi.
7365 2008-01-25 DJ Delorie <dj@redhat.com>
7367 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7369 2008-01-25 Joseph Myers <joseph@codesourcery.com>
7371 * config/c4x: Remove directory.
7372 * config.gcc (crx-*, mt-*): Mark obsolete.
7373 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
7374 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
7375 sh-*-rtemscoff*): Remove cases.
7376 * defaults.h (C4X_FLOAT_FORMAT): Remove.
7377 * real.c (encode_c4x_single, decode_c4x_single,
7378 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
7379 c4x_extended_format): Remove.
7380 * real.h (c4x_single_format, c4x_extended_format): Remove.
7381 * doc/extend.texi (interrupt, naked): Remove mention of attributes
7383 (Pragmas): Remove comment about c4x pragmas.
7384 * doc/install.texi (c4x): Remove target-specific instructions.
7385 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
7386 * doc/md.texi (Machine Constraints): Remove C4x documentation.
7387 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
7388 refer to C4x source files as examples.
7389 (C4X_FLOAT_FORMAT): Remove documentation.
7391 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
7393 * config/bfin/bfin.c (override_options): Reorder tests so that
7394 flag_pic gets enabled for -msep-data.
7396 2008-01-25 Richard Guenther <rguenther@suse.de>
7399 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
7400 to its bitfield precision if required.
7402 2008-01-25 Jakub Jelinek <jakub@redhat.com>
7405 * tree-nested.c (walk_omp_for): New function.
7406 (convert_nonlocal_reference, convert_local_reference): Call
7407 walk_omp_for on OMP_FOR.
7408 (convert_call_expr): Call walk_body on OMP_FOR's
7409 OMP_FOR_PRE_INIT_BODY.
7411 2008-01-25 Richard Guenther <rguenther@suse.de>
7413 PR tree-optimization/34966
7414 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
7415 default defs and PHI_NODEs we have to insert after the
7418 2008-01-24 Nick Clifton <nickc@redhat.com>
7420 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
7421 Provide a default definition.
7422 (LIBGCC2_UNITS_PER_WORD): Likewise.
7424 * config/stormy16/stormy16.c: Include df.h for the prototype
7425 for df_regs_ever_live_p.
7426 (xstormy16_expand_builtin_va_start): Convert the stack offset
7427 into a component_ref and then use POINTER_PLUS_EXPR to add it
7428 to the incoming_virtual_args_rtx.
7429 (xstormy16_gimplify_va_arg_expr): Rename to
7430 xstormy16_gimplify_va_arg_expr.
7431 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
7432 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
7433 xstormy16_gimplify_va_arg_expr.
7434 Fix up some formatting issues.
7436 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
7437 Move to predicates.md.
7438 (xs_hi_general_operand): Likewise.
7439 (xs_hi_nonmemory_operand): Likewise.
7440 * config/stormy16/predicates.md:
7441 (xstormy16_carry_plus_operand): New predicate.
7442 (xs_hi_general_operand): New predicate.
7443 (xs_hi_nonmemory_operand): New predicate.
7444 * config/stormy16/stormy16-protos.h:
7445 (xstormy16_carry_plus_operand): Delete prototype.
7446 (xs_hi_general_operand): Likewise.
7447 (xs_hi_nonmemory_operand): Likewise.
7449 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
7450 modifiers as they are no longer needed and they can trigger
7451 reload spill failures.
7453 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
7454 with a match_operand in order to help reload.
7456 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
7457 constraint with 'e' for the 8th alternative as this version of
7458 the mov.w instruction only accepts the lower 8 registers.
7460 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
7463 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
7464 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
7467 2008-01-25 Jakub Jelinek <jakub@redhat.com>
7470 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
7472 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7474 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
7476 (remove_structure): Update allocations list before removing structure.
7478 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7480 * ipa-struct-reorg.c (is_safe_cond_expr,
7481 create_new_stmts_for_cond_expr): Use integer_zerop function,
7482 that recognize not only zero-pointer, but zero-integer too.
7484 2008-01-25 Ben Elliston <bje@au.ibm.com>
7487 * fixproto: Escape "." in sed expression that strips leading "./".
7489 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
7492 * gcc.c (SWITCH_OK): Removed.
7493 (SWITCH_LIVE): Changed to bit.
7494 (SWITCH_FALSE): Likewise.
7495 (SWITCH_IGNORE): Likewise.
7496 (switchstr): Change live_cond to unsigned int.
7497 (process_command): Replace SWITCH_OK with 0.
7498 (do_self_spec): Likewise.
7499 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
7500 (give_switch): Likewise.
7501 (used_arg): Likewise.
7502 (do_spec_1): Set the SWITCH_IGNORE bit.
7503 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
7504 bits. Set the SWITCH_LIVE bit.
7506 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
7508 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
7510 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
7512 PR tree-optimization/34472
7513 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
7514 parameter to a "bool *" and set *DATA to false if there is
7515 an unsafe access. Do not delete the structure here.
7516 (check_cond_exprs): Delete it here instead.
7517 (check_cond_exprs, exclude_cold_structs): Do not increase
7518 I when removing a structure.
7520 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
7523 * config/i386/i386.c (ix86_expand_vector_init): Consider only
7524 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
7526 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
7529 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
7530 a fixed vector for stack.
7532 2008-01-24 Ben Elliston <bje@au.ibm.com>
7535 * doc/gcc.texi (Software development): Add a direntry for g++.
7537 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
7539 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
7540 stale and straggling -fforce-addr comments above.
7542 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
7544 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
7545 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
7547 2008-01-23 Michael Matz <matz@suse.de>
7550 * dwarf2out.c (force_type_die): Use modified_type_die instead of
7553 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
7555 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
7558 2008-01-23 Anatoly Sokolov <aesok@post.ru>
7560 * config/avr/avr.c (avr_current_arch): New variable.
7561 (avr_arch_types): Add 'avr31' and 'avr51' entries.
7562 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7563 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7564 (avr_override_options): Init 'avr_current_arch'.
7565 (base_arch_s): Move from here...
7566 * config/avr/avr.h (base_arch_s): ... here. Add new members
7567 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
7568 'mega' to 'have_jmp_call'.
7569 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
7570 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
7572 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
7574 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7575 MULTILIB_MATCHES): (Ditto.).
7577 2008-01-23 Richard Guenther <rguenther@suse.de>
7580 * cgraphunit.c (cgraph_reset_node): Always mark the node
7581 not reachable if it is not queued already.
7583 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
7585 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7586 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7587 (cputype_selected): New static variable.
7588 (bfin_handle_option): Set it if -mcpu is used.
7589 (override_option): Select default set of workarounds if no cpu type
7590 selected on the command line.
7591 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7593 From Michael Frysinger <michael.frysinger@analog.com>
7594 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7595 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7597 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7598 for bf547, bf523, bf524, and bf526.
7599 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
7601 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7602 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7603 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7604 __ADSPBF547__ and __ADSPBF54x__ for bf547.
7605 * doc/invoke.texi (Blackfin Options): Document that
7606 -mcpu now accept bf547, bf523, bf524, and bf526.
7608 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
7610 PR rtl-optimization/34628
7611 * combine.c (try_combine): Stop and undo after the first combination
7612 if an autoincrement side-effect on the first insn has effectively
7615 2008-01-22 David Edelsohn <edelsohn@gnu.org>
7618 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7619 Offset addresses are not valid for Altivec or paired float modes.
7621 2008-01-22 Jakub Jelinek <jakub@redhat.com>
7624 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7625 if DECL_INITIAL (decl) is error_mark_node.
7628 * c-common.c (handle_vector_size_attribute): Only allow
7629 integral, scalar float and fixed point types. Handle OFFSET_TYPE
7630 the same way as pointer, array etc. types.
7631 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7634 * tree.c (build_type_attribute_qual_variant): Call
7635 build_qualified_type if attributes are equal, but quals are not.
7637 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7640 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7641 * flags.h (warn_strict_aliasing): Remove.
7642 (warn_strict_overflow): Remove.
7643 * opts.c (warn_strict_aliasing): Remove.
7644 (warn_strict_overflow): Remove.
7645 * c-opts.c (c_common_handle_option): -Wall only sets
7646 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7647 (c_common_post_options): Give default values to -Wstrict-aliasing
7648 and -Wstrict-overflow if they are uninitialized.
7649 * common.opt (Wstrict-aliasing): Specify Var and Init.
7650 (Wstrict-overflow): Likewise.
7652 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7654 PR rtl-optimization/26854
7655 PR rtl-optimization/34400
7656 PR rtl-optimization/34884
7657 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7659 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7660 (df_rd_bb_info.expanded_lr_out): Deleted
7661 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7662 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
7663 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7664 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7665 Removed code to allocate, initialize or free expanded_lr_out.
7666 (df_rd_bb_local_compute_process_def): Restructured to make more
7668 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7669 sets if the sets are being trimmed.
7671 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
7674 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7675 (as_vers): Likewise.
7676 * configure: Regenerated.
7678 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7681 * tree-pass.h (pass_build_alias): New pass.
7682 * tree-ssa-alias.c (gate_build_alias): New.
7683 (pass_build_alias): New.
7684 * passes.c (init_optimization_passes): Add pass_build_alias after
7685 pass_create_structure_vars.
7687 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
7689 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7690 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7691 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7692 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7693 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7694 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7695 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7696 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7697 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7698 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7699 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7700 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7701 * config/s390/s390.md (FP_ALL): New mode iterator.
7702 (_d): New mode attribute.
7703 ("*signbit<mode>2>"): Changed mode of first operand.
7704 ("isinf<mode>2"): Changed mode of first operand.
7705 ("*TDC_insn"): Adaptation for DFP modes.
7707 2008-01-22 Ben Elliston <bje@au.ibm.com>
7709 * tree.c (check_qualified_type): Improve function description.
7711 2008-01-21 Jason Merrill <jason@redhat.com>
7714 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7715 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7718 2008-01-21 DJ Delorie <dj@redhat.com>
7720 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7723 2008-01-21 Richard Guenther <rguenther@suse.de>
7726 * tree-cfg.c (verify_expr): Allow all invariant expressions
7727 instead of just constant class ones as reference argument.
7728 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7729 like any other constant.
7730 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7732 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
7734 * regmove.c (fixup_match_1): Update call crossed frequencies.
7736 2008-01-21 Richard Guenther <rguenther@suse.de>
7739 * tree-inline.c (setup_one_parameter): Deal with mismatched
7740 types using a VIEW_CONVERT_EXPR.
7742 2008-01-21 Alon Dayan <alond@il.ibm.com>
7743 Olga Golovanevsky <olga@il.ibm.com>
7745 PR tree-optimization/34701
7746 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7747 when the structure size is not a power of 2.
7749 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
7751 * doc/install.texi: Add doc for --enable-checking=df.
7753 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
7755 PR rtl-optimization/34808
7756 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7758 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7760 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7763 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7765 PR rtl-optimization/26854
7766 PR rtl-optimization/34400
7767 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7769 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7770 (df_rd_bb_info.expanded_lr_out): New.
7771 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7772 * loop_iv.c (iv_analysis_loop_init): Ditto.
7773 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7774 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7775 Added code to allocate, initialize or free expanded_lr_out.
7776 (df_rd_bb_local_compute_process_def): Restructured to make
7777 more understandable.
7778 (df_rd_confluence_n): Add code to do nothing with fake edges and
7779 code to no apply invalidate_by_call sets if the sets are being trimmed.
7780 (df_lr_local_finalize): Renamed to df_lr_finalize.
7781 (df_live_local_finalize): Renamed to df_live_finalize.
7783 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7786 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7787 deciding whether to use reciprocal instructions.
7789 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
7791 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7792 dwarf2out_note_section_used if cold_text_section is NULL.
7794 2008-01-19 Jakub Jelinek <jakub@redhat.com>
7796 PR gcov-profile/34610
7797 * tree-cfg.c (make_edges): Mark both outgoing edges from
7798 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7799 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7800 from OMP_FOR and OMP_CONTINUE outgoing edges.
7802 * tree-profile.c (tree_profiling): Return early if
7803 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
7805 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7806 from cfun to child_cfun.
7807 * function.h (struct function): Add after_tree_profile bit.
7809 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7811 * config/avr/avr.S (_exit): Disable interrupt.
7813 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
7814 Steven Bosscher <stevenb.gcc@gmail.com>
7816 PR rtl-optimization/26854
7817 PR rtl-optimization/34400
7818 * df-problems.c (df_live_scratch): New scratch bitmap.
7819 (df_live_alloc): Allocate df_live_scratch when doing df_live.
7820 (df_live_reset): Clear the proper bitmaps.
7821 (df_live_bb_local_compute): Only process the artificial defs once
7822 since the order is not important.
7823 (df_live_init): Init the df_live sets only with the variables
7824 found live by df_lr.
7825 (df_live_transfer_function): Use the df_lr sets to prune the
7826 df_live sets as they are being computed.
7827 (df_live_free): Free df_live_scratch.
7829 2008-01-18 Ian Lance Taylor <iant@google.com>
7831 * common.opt: Add fmerge-debug-strings.
7832 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7833 flag_merge_debug_strings rather than flag_merge_constants.
7834 * doc/invoke.texi (Option Summary): Mention
7835 -fmerge-debug-strings.
7836 (Debugging Options): Document -fmerge-debug-strings.
7838 2008-01-18 Ian Lance Taylor <iant@google.com>
7841 * tree.h (DECL_IS_OPERATOR_NEW): Define.
7842 (struct tree_function_decl): Add new field operator_new_flag.
7843 * tree-inline.c (expand_call_inline): When inlining a call to
7844 operator new, force the return value to go into a variable, and
7845 set DECL_NO_TBAA_P on that variable.
7846 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7848 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
7851 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7852 DWARF2_DEBUGGING_INFO.
7853 (dwarf2out_note_section_used): Ditto. Add prototype.
7854 (have_multiple_function_sections, text_section_used,
7855 cold_text_section_used, *cold_text_sections): Move declarations
7858 2008-01-17 Bob Wilson <bob.wilson@acm.org>
7860 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7861 field and add signal_ra.
7862 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7863 assignments to frame state pc. Move end of stack check after
7864 MD_FALLBACK_FRAME_STATE_FOR.
7865 (uw_update_context_1): Use frame state signal_regs if set, instead
7866 of checking signal_frame flag.
7867 (uw_update_context): Use frame state signal_ra if set.
7868 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7869 * config/xtensa/linux-unwind.h: New file.
7871 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7873 * modulo-sched.c (get_sched_window): Fix comment typo.
7875 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7877 PR tree-optimization/34648
7878 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7880 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7882 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7883 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7885 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7887 PR rtl-optimization/34400
7888 * df-core.c (df_worklist_dataflow_overeager,
7889 df_worklist_dataflow_doublequeue): New functions.
7890 (df_worklist_dataflow): Two different worklist solvers.
7891 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7894 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7897 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7898 and ftree-parallelize-loops.
7900 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7902 PR rtl-optimization/34826
7903 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7905 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7907 * global.c (find_reg): Mark the eh regs as used if necessary.
7908 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7909 * ra.h (struct allocno): no_eh_reg field added. Changed
7910 no_stack_reg type to bitfield.
7912 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7914 * tree.c (substitute_in_expr): Add missing 'break'.
7916 2008-01-17 Richard Guenther <rguenther@suse.de>
7918 PR tree-optimization/34825
7919 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7920 x / x as division to handle.
7922 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7924 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7925 "-pthread" is specified.
7926 * pa-hpux11.h (LIB_SPEC): Likewise.
7928 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7929 Peter Bergner <bergner@vnet.ibm.com>
7931 PR rtl-optimization/33796
7932 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7934 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7936 PR libgfortran/34699
7937 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7939 * pa-hpux10.h (LINK_SPEC): Likewise.
7940 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7942 2008-01-16 Richard Guenther <rguenther@suse.de>
7945 * fold-const.c (fold_convert_const_int_from_int): Do not
7946 set overflow if that occured only because of a sign extension
7947 change when converting from/to a sizetype with the same
7948 precision and signedness.
7950 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7953 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7954 location address to the correct place. Update copyright year.
7956 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7958 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7959 no dependences in the dependence_relations vector.
7961 2008-01-16 Jan Hubicka <jh@suse.cz>
7963 PR rtl-optimization/31396
7964 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7965 * cfg.c (dump_reg_info): Print it.
7966 * regs.h (struct reg_info_t): add freq_calls_crossed.
7967 (REG_FREQ_CALLS_CROSSED): New macro.
7968 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7969 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7970 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7971 regmove_optimize): Update call crossed frequencies.
7972 * local-alloc.c (struct qty): Add freq_calls_crossed.
7973 (alloc_qty): Copute freq_calls_crossed.
7974 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7975 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7976 * ra.h (struct allocno): Add freq_calls_crossed.
7978 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7980 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7981 libgomp when compiling with ftree-parallelize-loops.
7982 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7984 2008-01-16 Richard Guenther <rguenther@suse.de>
7986 PR tree-optimization/34769
7987 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7988 * tree.c (int_cst_value): Instead make this function more
7989 permissive in what it accepts as valid input. Document this
7990 function always sign-extends the value.
7992 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7993 Richard Guenther <rguenther@suse.de>
7996 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7997 (gimple_fold_indirect_ref_rhs): ... this.
7998 (gimple_fold_indirect_ref): New function with foldings
7999 that preserve lvalueness.
8000 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
8001 * tree-flow.h (gimple_fold_indirect_ref): Declare.
8002 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
8003 to fold an INDIRECT_REF, fall back to the old use of
8004 fold_indirect_ref_1.
8006 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
8008 * tree-data-ref.c (subscript_dependence_tester_1): Call
8009 free_conflict_function.
8010 (compute_self_dependence): Same.
8012 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
8015 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
8016 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
8018 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
8019 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
8020 for DWARF2_UNWIND_INFO targets.
8022 2008-01-16 Richard Guenther <rguenther@suse.de>
8025 * c-typeck.c (common_pointer_type): Do not merge inconsistent
8026 type qualifiers for function types.
8028 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
8030 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
8031 loop_iterator li from previous commit.
8033 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
8035 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
8037 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
8039 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
8040 (parallelize_loops): Don't parallelize irreducible components.
8042 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8045 * c-opts (c_common_post_options): Do not enable CPP
8046 flag_pedantic_errors by default.
8048 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
8050 PR rtl-optimization/31944
8051 * cse.c (remove_pseudo_from_table): New function.
8052 (merge_equiv_classes): Use above function to remove pseudo-registers.
8053 (invalidate): Likewise.
8055 2008-01-13 Richard Guenther <rguenther@suse.de>
8058 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
8059 instead of TYPE_MODE to deal with calls from expand_one_error_var.
8061 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
8063 * gcse.c (cprop_jump): Call validate_unshare_change instead of
8064 validate_change to unshare the source of the PC set.
8066 2008-01-12 Jan Hubicka <jh@suse.cz>
8069 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
8070 references above array bounds. This might trigger bounds checks for
8073 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
8075 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
8076 new_replaceable_dependencies.
8078 2008-01-12 Doug Kwan <dougkwan@google.com>
8080 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
8081 instead of OPT_Wreturn_type in warning due to ignored return type
8083 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
8084 options included in -Wextra.
8085 * c.opt: New option -Wignored_qualifiers.
8086 * doc/invoke.texi (Warning Options, -Wextra): Add new option
8087 -Wignore_qualifiers.
8088 (-Wignored-qualifiers): Document.
8089 (-Wreturn-type): Remove description of functionality now handled
8090 by -Wignored-qualifiers.
8092 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
8095 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
8096 NOP_EXPR if it is between integral types with the same precision.
8098 2008-01-12 Jan Hubicka <jh@suse.cz>
8101 * invoke.texi (max-inline-recursive-depth): Fix default value.
8103 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
8105 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
8108 2008-01-11 Bob Wilson <bob.wilson@acm.org>
8110 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
8112 2008-01-11 James E. Wilson <wilson@specifix.com>
8115 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
8117 2008-01-11 Anatoly Sokolov <aesok@post.ru>
8119 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
8120 save/restore frame pointer register and don't use 'call-prologues'
8121 optimization in function with "OS_task" attribute.
8123 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
8126 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
8127 when copying to memory.
8129 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
8131 PR rtl-optimization/30905
8132 * cfgcleanup.c: Include dce.h
8133 (crossjumps_occured): New global variable.
8134 (try_crossjump_bb): Exit loop after finding a fallthru edge.
8135 If something changed, set crossjumps_occured to true.
8136 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
8137 Don't add/remove fake edges to exit here...
8138 (cleanup_cfg): ...but do it here, when crossjumping.
8139 Run a fast DCE when successful crossjumps occured in the latest
8140 iteration of try_optimize_cfg.
8142 2008-01-11 Richard Guenther <rguenther@suse.de>
8144 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
8145 (struct vn_unary_op_s): Likewise.
8146 (vn_reference_insert): Free old reference on hash collision.
8148 2008-01-10 Raksit Ashok <raksit@google.com>
8150 PR rtl-optimization/27971
8151 * combine.c (find_split_point): Split PLUS expressions which are
8152 inside a MEM rtx, and whose first operand is complex.
8154 2008-01-10 DJ Delorie <dj@redhat.com>
8156 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
8157 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
8158 (m32c_hard_regno_ok): Call the underlying function.
8160 2008-01-10 Richard Guenther <rguenther@suse.de>
8163 * tree-cfg.c (tree_merge_blocks): Do not go through the
8164 full-blown folding and stmt updating path if we just deal
8165 with virtual operands.
8166 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
8167 test for abnormal SSA_NAMEs.
8169 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
8172 * reload.c (push_reload): Add assertions. All constants from
8173 reg_equiv_constant should have been used for replacing the respective
8175 (find_reloads_address): Invoke find_reloads_address_part for
8176 constant taken from the reg_equiv_constant array.
8178 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
8180 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
8181 field (valnum) the first in the struct. Replace bools with
8184 2008-01-10 Richard Guenther <rguenther@suse.de>
8186 PR tree-optimization/34651
8187 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
8188 types and ordering for masking and converting.
8190 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
8192 PR tree-optimization/34017
8193 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
8194 also for PHI_NODE expressions.
8196 2008-01-09 Jan Hubicka <jh@suse.cz>
8198 PR tree-optimization/34708
8199 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
8200 based on number of case labels.
8201 (init_inline_once): Remove switch_cost.
8202 * tree-inline.h (eni_weights_d): Remove switch_cost.
8204 2008-01-09 Richard Guenther <rguenther@suse.de>
8205 Andrew Pinski <andrew_pinski@playstation.sony.com>
8208 * gimplify.c (gimplify_cond_expr): Do not create an addressable
8209 temporary if an rvalue is ok or an lvalue is not required.
8211 2008-01-09 Richard Guenther <rguenther@suse.de>
8214 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
8217 2008-01-09 Richard Guenther <rguenther@suse.de>
8220 * tree.c (host_integerp): Check for sizetype only if the
8221 type is an integer type.
8223 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
8226 * opts.c (decode_options): Disable inlining of functions called
8227 once if not in unit-at-a-time mode.
8229 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
8231 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
8233 2008-01-08 Richard Guenther <rguenther@suse.de>
8236 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
8237 out early if the result will be unused.
8239 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
8244 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8245 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8248 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
8250 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
8251 for vectorization tuned.
8253 2008-01-08 Richard Guenther <rguenther@suse.de>
8255 PR tree-optimization/34683
8256 * tree-ssa-operands.c (operand_build_cmp): Export.
8257 * tree-ssa-operands.h (operand_build_cmp): Declare.
8258 * tree-vn.c (vuses_compare): Remove.
8259 (sort_vuses): Use operand_build_cmp.
8260 (sort_vuses_heap): Likewise.
8261 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
8262 to re-use old VEC if available. Do not sort already sorted VUSEs.
8263 (vdefs_to_vec): Do not sort already sorted VDEFs.
8265 2008-01-08 Jakub Jelinek <jakub@redhat.com>
8268 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
8270 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
8273 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
8274 limitations of reciprocal sequences on x86 targets.
8276 2008-01-08 Richard Guenther <rguenther@suse.de>
8278 PR tree-optimization/34683
8279 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
8281 2008-01-07 Jakub Jelinek <jakub@redhat.com>
8284 * config/darwin.c (darwin_mergeable_string_section): Don't use
8285 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
8287 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
8290 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
8291 negxf2. Macroize expander using X87MODEF mode iterator. Change
8292 predicates of op0 and op1 to register_operand.
8293 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
8294 expander using X87MODEF mode iterator. Change predicates of
8295 op0 and op1 to register_operand.
8296 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
8297 corresponding patterns and macroize using MODEF macro. Change
8298 predicates of op0 and op1 to register_operand and remove
8299 "m" constraint. Disparage "r" alternative with "!".
8300 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
8301 macroize using X87MODEF macro. Change predicates of op0 and op1
8302 to register_operand and remove "m" constraint. Disparage "r"
8303 alternative with "!".
8304 (absneg splitter with memory operands): Remove.
8305 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
8306 patterns and macroize using X87MODEF mode iterator.
8307 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
8308 Change predicate of op1 to register_operand.
8309 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
8310 for memory operands.
8312 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
8314 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
8316 2008-01-07 Richard Guenther <rguenther@suse.de>
8318 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
8321 2008-01-07 Richard Guenther <rguenther@suse.de>
8323 PR tree-optimization/34683
8324 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
8325 VOPs of the needed size to save memory. Use VEC_quick_push
8326 to save compile-time.
8327 (vdefs_to_vec): Likewise.
8329 2008-01-07 Sa Liu <saliu@de.ibm.com>
8331 * config/spu/spu.md (divdf3): Genetate inline code for double
8332 division. The implementation doesn't handle INF or NAN, therefore it
8333 only applies when -ffinite-math-only is given.
8335 2008-01-06 Paolo Carlini <pcarlini@suse.de>
8338 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
8339 * doc/cpp.texi ([Common Predefined Macros]): Document.
8341 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
8343 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
8344 order to use commutative addition instead of subtraction.
8346 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
8347 Mircea Namolaru <namolaru@il.ibm.com>
8348 Vladimir Yanovsky <yanov@il.ibm.com>
8349 Revital Eres <eres@il.ibm.com>
8351 PR tree-optimization/34263
8352 * tree-outof-ssa.c (process_single_block_loop_latch,
8353 contains_tree_r): New functions.
8354 (analyze_edges_for_bb): Call process_single_block_loop_latch
8355 function to empty single-basic-block latch block if possible.
8357 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8359 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8361 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
8363 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
8365 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
8367 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
8369 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
8371 2008-01-05 Jakub Jelinek <jakub@redhat.com>
8373 PR tree-optimization/34618
8374 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
8377 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8380 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
8381 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
8382 Update copyright year.
8384 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
8385 Update copyright year.
8386 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
8389 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
8391 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
8392 edge does not point to current bb before changing need_assert.
8394 2008-01-04 Richard Guenther <rguenther@suse.de>
8397 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
8398 for verifying purposes if they are is_gimple_min_invariant.
8400 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
8402 PR tree-optimization/34448
8403 PR tree-optimization/34465
8404 * gimplify.c (gimplify_init_constructor): Add new parameter
8405 notify_temp_creation. Use it.
8406 (gimplify_modify_expr_rhs): Take volatiles into account when
8407 optimizing constructors.
8408 Do not optimize constructors if gimplify_init_constructor will dump to
8410 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
8411 * gcc.c-torture/compile/pr34448.c: New.
8413 2008-01-04 Jakub Jelinek <jakub@redhat.com>
8415 PR gcov-profile/34609
8416 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
8417 return_slot if result is TREE_ADDRESSABLE.
8419 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
8421 * config/mips/mips.md (sqrt_condition): Tweak comment.
8422 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
8424 2008-01-03 Tom Tromey <tromey@redhat.com>
8427 * c-common.c (c_type_hash): Handle VLAs.
8429 2008-01-03 Jan Hubicka <jh@suse.cz>
8431 PR tree-optimization/31081
8432 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
8433 0 when inlining and not inlining to first basic block.
8434 (remap_decl): When var is initialized to 0, don't set default_def.
8435 (expand_call_inline): Set entry_bb.
8436 * tree-inline.h (copy_body_data): Add entry_bb.
8438 2008-01-03 Jakub Jelinek <jakub@redhat.com>
8441 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
8444 PR tree-optimization/29484
8445 * tree-inline.c (inline_forbidden_p_2): New function.
8446 (inline_forbidden_p): Disallow inlining if some static var
8447 has an address of a local LABEL_DECL in its initializer.
8448 * doc/extend.texi (Labels as Values): Document &&foo behaviour
8451 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
8453 PR tree-optimization/34635
8454 * tree-data-ref.c (add_other_self_distances): Make sure that the
8455 evolution step is constant.
8457 2008-01-03 Jakub Jelinek <jakub@redhat.com>
8460 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
8462 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
8464 * tree-sra.c (scalarize_init): Insert the generate_element_init
8465 statements after the generate_element_zero statements.
8467 2008-01-02 Richard Guenther <rguenther@suse.de>
8471 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
8472 for very large number of operands instead of ICEing.
8474 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
8477 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
8478 while stack probing.
8480 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
8482 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
8485 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
8488 * tree-mudflap.c (mx_register_decls): Guard warning by
8489 !DECL_ARTIFICIAL check.
8491 2008-01-01 Jakub Jelinek <jakub@redhat.com>
8493 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
8494 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
8495 sse5_perm<mode>): Fix constraints.
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