1 2008-05-06 Olivier Hainque <hainque@adacore.com>
3 * tree-sra.c (try_instantiate_multiple_fields): Early return
4 if field has POINTER_TYPE.
6 2008-05-06 Kai Tietz <kai.tietz@onevision.com>
8 * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
9 by using 'q' specifier for instruction.
10 (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12 2008-05-06 Anatoly Sokolov <aesok@post.ru>
14 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
15 Change mode of zero_extract from QImode to HImode.
16 (sign bit tests peepholes): (Ditto.).
18 2008-05-06 Uros Bizjak <ubizjak@gmail.com>
20 * config/i386/mmx.md: Remove double backslashes from asm templates.
21 (*addv2sf3): Rename from mmx_addv2sf3 insn pattern.
22 (mmx_addv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
23 to handle nonimmediate operands.
24 (*mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
25 (mmx_mulv2sf3): New expander. Use ix86_fixup_binary_operands_no_copy
26 to handle nonimmediate operands.
27 (*<code>v2sf3_finite): New insn pattern.
28 (*<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
29 (mmx_<code>v2sf3): New expander. Use
30 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
31 (mmx_<plusminus_insn><mode>3): New expander. Use
32 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
33 (*<plusminus_insn><mode>3): New insn pattern.
34 (mmx_add<mode>3): Removed.
35 (mmx_ssadd<mode>3): Ditto.
36 (mmx_usadd<mode>3): Ditto.
37 (mmx_sub<mode>3): Ditto.
38 (mmx_sssub<mode>3): Ditto.
39 (mmx_ussub<mode>3): Ditto.
40 (*mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
41 (mmx_mulv4hi3): New expander. Use ix86_fixup_binary_operands_no_copy
42 to handle nonimmediate operands.
43 (*smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
45 (mmx_smulv4hi3_highpart): New expander. Use
46 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
47 (*umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
49 (mmx_umulv4hi3_highpart): New expander. Use
50 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
51 (*<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
52 (mmx_<code>v4hi3): New expander. Use
53 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
54 (*<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
55 (mmx_<code>v8qi3): New expander. Use
56 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
57 (*<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
58 (mmx_<code><mode>3): New expander. Use
59 ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
61 2008-05-05 Jan Hubicka <jh@suse.cz>
63 PR tree-optimization/36118
64 * passes.c (pass_init_dump_file): Fix dump header.
66 2008-05-05 Andrew Pinski <andrew_pinski@playstation.sony.com>
69 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
70 VCE for function decls.
72 2008-05-05 H.J. Lu <hongjiu.lu@intel.com>
74 * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
76 2008-05-05 H.J. Lu <hongjiu.lu@intel.com>
78 * config/i386/i386.md (sat_plusminus): New.
79 (plusminus_insn): Likewise.
80 (plusminus_mnemonic): Likewise.
82 (comm): Add ss_plus, us_plus, ss_minus and us_minus.
83 (*<addsub><mode>3_cc_overflow): Renamed to ...
84 (*<plusminus_insn><mode>3_cc_overflow): This.
85 (*<addsub>si3_zext_cc_overflow): Renamed to ...
86 (*<plusminus_insn>si3_zext_cc_overflow): This.
88 * config/i386/sse.md (<addsub><mode>3): Renamed to ...
89 (<plusminus_insn><mode>3): This.
90 (*<addsub><mode>3): Renamed to ...
91 (*<plusminus_insn><mode>3): This.
92 (<sse>_vm<addsub><mode>3): Renamed to ...
93 (<sse>_vm<plusminus_insn><mode>3): This.
94 (sse3_h<addsub>v4sf3): Renamed to ...
95 (sse3_h<plusminus_insn>v4sf3): This.
96 (sse3_h<addsub>v2df3): Renamed to ...
97 (sse3_h<plusminus_insn>v2df3): This.
98 (<plusminus_insn><mode>3): New.
99 (*<plusminus_insn><mode>3): Likewise.
100 (sse2_<plusminus_insn><mode>3): Likewise.
101 (add<mode>): Removed.
102 (*add<mode>3): Likewise.
103 (sse2_ssadd<mode>3): Likewise.
104 (sse2_usadd<mode>3): Likewise.
105 (sub<mode>3): Likewise.
106 (*sub<mode>3): Likewise.
107 (sse2_sssub<mode>3): Likewise.
108 (sse2_ussub<mode>3): Likewise.
110 2008-05-05 Benjamin Kosnik <bkoz@redhat.com>
112 * gthr-single.h: Add in required interface elements as per gthr.h.
113 Add stub types for __gthread_key_t, __gthread_once_t. Add defines
114 for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
115 Generalize UNUSED macro.
116 (__gthread_once): Add.
117 (__gthread_key_create): Add.
118 (__gthread_key_delete): Add.
119 (__gthread_getspecific): Add.
120 (__gthread_setspecific): Add.
122 2008-05-05 Andrew Pinski <Andrew.Pinski@playstation.sony.com>
124 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
125 the same size types for the indirect reference on the rhs, then
128 2008-05-05 Uros Bizjak <ubizjak@gmail.com>
130 * config/i386/i386.md
131 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
132 one insn template instead of template series.
133 (*xordi_1_rex64): Ditto.
134 (*xordi_2_rex64): Ditto.
136 2008-05-05 Ira Rosen <irar@il.ibm.com>
138 PR tree-optimization/36119
139 * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
142 2008-06-04 Jan Hubicka <jh@suse.cz>
144 tree-optimization/36100
145 * tree-pass.h (pass_O0_always_inline): Declare.
146 * ipa-inline.c (inline_transform): Remove dead code.
147 (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
148 pass_O0_always_inline): New.
149 * passes.c (init_optimization_passes): Add pass_O0_always_inline.
151 2008-05-04 Kai Tietz <kai.tietz@onevision.com>
153 * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
154 mnemonic in this_param move for TARGET_64BIT.
156 2008-05-04 Uros Bizjak <ubizjak@gmail.com>
158 * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
159 (*strmovsi_rex_1): Ditto.
160 (*strsetsi_1): Ditto.
161 (*strsetsi_rex_1): Ditto.
163 (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
164 adddicc expanders using SWI mode iterator.
166 2008-05-04 H.J. Lu <hongjiu.lu@intel.com>
169 * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
172 2008-05-04 David S. Miller <davem@davemloft.net>
174 * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
175 (sparc*-*-linux*): Use linux.h in tm_file.
176 (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
177 compiler defaulting to 32-bit.
178 (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
180 * config/sparc/linux.h: Remove definitions now obtained
181 properly from linux.h
182 * config/sparc/linux64.h: Likewise.
183 (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
184 don't want this setting for 32-bit builds in a biarch compiler.
185 * doc/install.texi: Add sparc-linux to list of targets
186 supporting --enable-targets=all.
188 2008-05-03 Andrew Pinski <pinskia@gmail.com>
190 * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
192 2008-05-03 H.J. Lu <hongjiu.lu@intel.com>
194 * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
195 after V4SI_FTYPE_V8HI.
196 (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
197 case V4SI_FTYPE_V2DF.
199 2008-05-03 Kenneth Zadeck <zadeck@naturalbridge.com>
201 * doc/invoke.texi (max-flow-memory-locations): Removed.
202 * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
204 2008-05-03 Richard Guenther <rguenther@suse.de>
207 * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
209 2008-05-02 David S. Miller <davem@davemloft.net>
211 * config.gcc (need_64bit_hwint): Document libcpp dependency.
213 2008-05-02 Simon Baldwin <simonb@google.com>
216 * c-common.h (warn_array_subscript_range): Removed.
217 * c-common.c (warn_array_subscript_range): Ditto.
218 * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
219 * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
221 2008-05-02 H.J. Lu <hongjiu.lu@intel.com>
223 * config/i386/i386.c (ix86_special_builtin_type): New.
224 (bdesc_special_args): Likewise.
225 (ix86_expand_special_args_builtin): Likewise.
226 (ix86_init_mmx_sse_builtins): Updated.
227 (ix86_expand_builtin): Updated.
228 (ix86_expand_store_builtin): Removed.
229 (ix86_expand_unop_builtin): Likewise.
231 * config/i386/mm3dnow.h (__v2sf): Moved to ...
232 * config/i386/mmintrin.h (__v2sf): Here.
234 * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
236 (_mm_loadl_pi): Likewise.
237 (_mm_storeh_pi): Replace __v2si with __v2sf.
238 (_mm_storel_pi): Likewise.
240 * doc/extend.texi: Correct __builtin_ia32_loadhps,
241 __builtin_ia32_loadlps, __builtin_ia32_storehps,
242 __builtin_ia32_storelps, __builtin_ia32_loadhpd and
243 __builtin_ia32_loadlpd.
245 2008-05-02 H.J. Lu <hongjiu.lu@intel.com>
247 * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
248 V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
249 (bdesc_args): Updated. Add scalar SSE builtins with vec_merge.
250 (ix86_init_mmx_sse_builtins): Updated.
251 (ix86_expand_args_builtin): Likewise.
252 (ix86_expand_builtin): Likewise.
253 (ix86_expand_unop1_builtin): Renamed to ...
254 (ix86_expand_unop_vec_merge_builtin): This.
256 2008-05-01 Jan Hubicka <jh@suse.cz>
259 * ipa-inline.c (inline_generate_summary): Make static.
260 (inline_transform): Do not call inlining at -O0; make static.
261 * passes.c (execute_todo): Add sanity check.
262 (execute_one_ipa_transform_pass): Execute proper flags.
264 2008-05-01 Eric Botcazou <ebotcazou@adacore.com>
266 * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
267 (DECL_NONADDRESSABLE_P): Likewise.
268 * alias.c (record_component_aliases): Fix comment.
270 2008-05-01 Simon Baldwin <simonb@google.com>
272 * c-common.h (warn_array_subscript_range): New function.
273 * c-common.c (warn_array_subscript_range): Ditto.
274 * tree-vrp.c (check_array_ref): Corrected code to agree with
275 comment, ignoring only arrays of size 0 or size 1.
276 * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
278 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
280 * config/i386/i386.c (ix86_builtin_type): Replace
281 DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
282 (bdesc_args): Updated.
283 (ix86_init_mmx_sse_builtins): Likewise.
284 (ix86_expand_args_builtin): Likewise.
286 * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
289 * doc/extend.texi: Correct __builtin_ia32_palignr.
291 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
294 * config/i386/i386.c (bdesc_crc32): Removed.
295 (ix86_expand_crc32): Likewise.
296 (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
297 V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
298 V2DI2TI_FTYPE_V2DI_V2DI_INT. Add UINT64_FTYPE_UINT64_UINT64,
299 UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
300 UINT_FTYPE_UINT_UCHAR.
301 (bdesc_args): Updated. Add crc32 builtins.
302 (ix86_init_mmx_sse_builtins): Updated.
303 (ix86_expand_args_builtin): Updated to support subreg.
305 * doc/extend.texi: Correct __builtin_ia32_crc32di.
307 2008-05-01 Jan Hubicka <jh@suse.cz>
309 * tree-pass.h (opt_pass): Add IPA_PASS.
310 (varpool_node, cgraph_node): Forward declare.
311 (ipa_opt_pass): Define.
312 (pass_ipa_inline): Turn into ipa_opt_pass.
313 (pass_apply_inline): Remove.
314 * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
315 (apply_inline): Turn into ....
316 (inline_transform): ... this one.
317 (inline_generate_summary): New function.
318 (pass_apply_inline): Remove.
319 * function.h (ipa_opt_pass): Forward declare structure; typedef;
321 (struct function): Add ipa_transforms_to_apply.
322 * passes.c (register_one_dump_file): Work on IPA_PASS.
323 (init_optimization_passes): Remove pass_inline_parameters and
325 (pass_init_dump_file, pass_fini_dump_file): Break out from ....
326 (execute_one_pass) ... here; apply transforms when possible.
327 (add_ipa_transform_pass, execute_ipa_summary_asses,
328 execute_one_ipa_transform_pass): New.
329 (execute_ipa_pass_list): Update for IPA_PASS type.
331 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
333 * config/i386/i386.c (ix86_builtin_type): Add
334 V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
335 V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
336 (bdesc_args): Add SSE4a builtins.
337 (ix86_init_mmx_sse_builtins): Updated.
338 (ix86_expand_args_builtin): Likewise.
339 (ix86_expand_builtin): Likewise.
341 2008-05-01 H.J. Lu <hongjiu.lu@intel.com>
343 * config/i386/i386.c (ix86_builtin_type): Add
344 V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
345 V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
346 V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
347 V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
348 V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
349 V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
350 V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
351 V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
352 and DI_FTYPE_DI_DI_INT.
353 (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
354 (ix86_init_mmx_sse_builtins): Updated.
355 (ix86_expand_args_builtin): Likewise.
356 (ix86_expand_builtin): Likewise.
357 (ix86_expand_binop_imm_builtin): Removed.
359 * doc/extend.texi: Correct __builtin_ia32_palignr128.
361 2008-04-30 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/32921
364 * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
366 2008-04-30 Richard Sandiford <rsandifo@nildram.co.uk>
368 * config/arm/arm.c (arm_unwind_emit): Use
369 crtl->all_throwers_are_sibcalls instead of
370 cfun->all_throwers_are_sibcalls.
371 (arm_output_fn_unwind): Likewise.
372 * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
373 instead of cfun->uses_pic_offset_table.
374 (frv_expand_prologue): Likewise.
375 (frv_frame_pointer_required): Likewise.
376 (frv_expand_fdpic_call): Likewise.
377 (frv_emit_movsi): Likewise.
378 * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
379 cfun->returns_pcc_struct instead of
380 current_function_returns_pcc_struct.
381 * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
382 instead of cfun->calls_eh_return.
383 (m32c_pushm_popm): Likewise.
384 * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
385 "extern" declaration.
387 2008-04-30 Richard Guenther <rguenther@suse.de>
389 PR tree-optimization/21636
390 * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
392 (evaluate_stmt): Print the likely value.
393 (ccp_visit_stmt): Avoid excessive vertical spacing.
395 2008-04-30 Rafael Espindola <espindola@google.com>
397 * builtins.c (fold_call_expr): Return realret.
398 * tree-ssa-threadedge.c
399 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
400 __builtin_object_size.
402 2008-04-30 Seongbae Park <seongbae.park@gmail.com>
404 * gcc.c (wrapper_string): New variable.
405 (insert_wrapper): New function.
406 (execute): New option -wrapper.
407 * doc/invoke.texi (Overall Options): New driver option -wrapper.
409 2008-04-30 Nathan Froyd <froydnj@codesourcery.com>
411 * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
412 config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
413 config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
415 * config/rs6000/crtsavres.asm: ...here. Remove unneeded file.
416 * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
417 config/rs6000/e500crtres64gprctr.asm,
418 config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
419 config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
420 config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
421 config/rs6000/e500crtsav64gprctr.asm,
422 config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
423 config/rs6000/e500crtsavg64gprctr.asm: New files.
424 * config/rs6000/t-ppccomm: Add build rules for new files.
425 (LIB2FUNCS_STATIC_EXTRA): Add new files.
426 * config/rs6000/t-netbsd: Add build rules for new files.
427 (LIB2FUNCS_STATIC_EXTRA): New variable.
428 * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
429 (CRTSAVRES_DEFAULT_SPEC): Likewise.
430 * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
432 2008-04-30 H.J. Lu <hongjiu.lu@intel.com>
434 * config/i386/i386.c (ix86_builtin_type): Add
435 FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
436 V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
437 V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
438 V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
439 V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
440 V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
441 V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
442 V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
443 V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
444 V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
445 V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
446 V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
447 V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
448 V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
449 V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
450 V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
451 V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
452 V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
453 V1DI_FTYPE_V2SI_V2SI.
454 (bdesc_2arg): Moved to ...
456 (ix86_init_mmx_sse_builtins): Updated.
457 (ix86_expand_args_builtin): Updated. Take a pointer
458 to const struct builtin_description. Handle comparison
460 (ix86_expand_sse_compare): Take a new argument for swapping operands.
461 (ix86_expand_builtin): Updated.
463 * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
464 (ssse3_pmaddubsw128): This.
465 (ssse3_pmaddubswv4hi3): Renamed to ...
466 (ssse3_pmaddubsw): This.
468 * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
469 (__builtin_ia32_packssdw128): Likewise.
470 (__builtin_ia32_packuswb128): Likewise.
471 (__builtin_ia32_pmaddubsw): Likewise.
472 (__builtin_ia32_pmaddubsw128): Likewise.
474 2008-04-30 Richard Guenther <rguenther@suse.de>
476 PR tree-optimization/14847
477 * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
478 (recognize_bits_test): Use it.
479 (recognize_single_bit_test): Likewise.
481 2008-04-30 Martin Jambor <mjambor@suse.cz>
483 * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
484 instead of setting number of formal parameters to zero.
485 (ipcp_init_stage): Do not set the number of actual parameters to zero
487 (ipcp_propagate_stage): Explicitly skipping all calls to nodes
488 which are called with variable number of arguments.
489 (ipcp_insert_stage): Explicitely skipping all nodes which are
490 called with variable number of arguments.
491 (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
492 number of parameters.
494 * ipa-prop.h (struct ipa_node_params): Added flag
495 called_with_var_arguments
496 (ipa_set_param_count): Added. Changed sole setter to use it.
497 (ipa_get_param_count): Added. All readers of param_count
498 converted to use it instead.
499 (ipa_set_called_with_variable_arg): Added.
500 (ipa_is_called_with_var_arguments): Added.
501 (ipa_get_ith_param): Added. All readers of param_decls converted
503 (ipa_set_cs_argument_count): Added, sole writer to argument_count
505 (ipa_get_cs_argument_count): Added, all readers of argument_count
507 (ipa_get_ith_jump_func): Added. Accessors of jump values changed
510 * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
511 (struct ipcp_lattice): Renamed cval_type to type
512 (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
514 * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
515 (ipcp_cval_set_cvalue): Changed type of parameter value to tree
516 (ipcp_insert_stage): Changed the type of variable cvalue to tree
517 (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
518 (build_const_val): Changed the type of parameter cvalue to tree
519 (ipcp_propagate_const): Changed the type of parameter cvalue to tree
520 (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
522 * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
525 * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
526 (ipa_methodlist_not_empty): Removed, the sole user now checks directly
527 (ipa_add_method): Renamed to ipa_push_func_to_list
528 (ipa_remove_method): Renamed to ipa_pop_func_from_list
529 (ipa_callsite_param_count): Removed.
530 (ipa_callsite_param_count_set): Removed.
531 (ipa_callsite_param): Removed.
532 (ipa_callsite_callee): Removed.
533 (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
534 (ipa_callsite_compute_count): Renamed to ipa_count_arguments
535 (ipa_method_formal_count): Removed.
536 (ipa_method_formal_count_set): Removed.
537 (ipa_method_get_tree): Removed.
538 (ipa_method_tree_map_create): Removed.
539 (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
540 (ipa_create_param_decls_array): Creates the array itself
541 (ipa_create_param_decls_array): Temporary variable info instead of
543 (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
544 (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
546 (ipa_jf_get_info_type): Removed.
547 (ipa_node_create): Renamed to ipa_create_node_params
548 (ipa_free): Renamed to ipa_free_all_node_params
549 (ipa_nodes_create): Renamed to ipa_create_all_node_params
550 (ipa_edges_create): Renamed to ipa_create_all_edge_args
551 (ipa_edges_free): Renamed to ipa_free_all_edge_args
552 (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
553 (ipa_free_all_node_params): Deallocation to jump_functions moved to
554 ipa_free_all_edge_args
555 (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
556 (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
557 (ipa_create_methodlist_node): Removed.
558 (ipa_methodlist_method): Removed.
559 (ipa_methodlist_method_set): Removed.
560 (ipa_methodlist_next_method): Removed.
561 (ipa_methodlist_next_method_set): Removed.
562 (ipa_method_is_modified): Removed.
563 (ipa_method_modify_create): Removed.
564 (ipa_method_modify_init): Temporary variable info instead of a few
566 (ipa_detect_param_modifications): Temporary variable info instead of
568 (ipa_compute_jump_functions): Temporary variable info instead of
570 (ipa_method_modify_set): Removed.
571 (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
572 (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
573 than craph_node as the first parameter.
574 (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
575 (ipa_method_modify_init): Removed.
576 (ipa_compute_jump_functions): Added a temp variable instead of
577 repeatadly dereferencing the cgraph_edge.aux pointer
578 (ipa_callsite_param_set_type): Removed.
579 (ipa_compute_jump_functions): i renamed to index and moved to
581 (ipa_callsite_param_set_info_type_formal): Removed.
582 (ipa_callsite_param_set_info_type): Removed.
583 (ipa_callsite_param_map_create): Removed.
584 (ipa_callsite_tree): Removed.
585 (ipa_callsite_caller): Removed.
586 (ipa_pop_func_from_list): return_method removed to return_func
588 * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
589 prefixed all values with IPA_. Changed all users.
590 (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
591 CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
592 and FORMAL_IPATYPE IPA_PASS_THROUGH.
593 (union parameter_info): Renamed to jump_func_value.
594 (union jump_func_value): Renamed value to constant
595 (struct ipa_jump_func): Renamed info_type to value
596 (struct ipa_node): Renamed to ipa_node_params
597 (struct ipa_node_params): Renamed ipa_arg_num to param_count
598 (struct ipa_node_params): Renamed ipa_param_tree to param_decls
599 (struct ipa_node_params): Renamed ipa_mod to modified_flags
600 (struct ipa_edge): Renamed to ipa_edge_args
601 (struct ipa_edge_args): Renamed ipa_param_num to argument_count
602 (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
603 (struct ipa_methodlist): Renamed to ipa_func_list
604 (struct ipa_func_list): method_p renamed to node, next_method
606 (ipa_methodlist_p): Removed, switched all users to struct pointer
607 (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
609 2008-04-30 Alan Modra <amodra@bigpond.net.au>
611 * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
612 (rs6000_emit_epilogue): Use backchain to restore only when we
613 have a large frame. Make use of frame pointer to restore if we
614 have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
616 2008-04-29 Paolo Bonzini <bonzini@gnu.org>
618 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
619 Add mode to zero_extract.
620 (sign bit tests peepholes): (Ditto.).
622 2008-04-29 H.J. Lu <hongjiu.lu@intel.com>
624 * config/i386/i386.c (ix86_builtins): Replace Prescott New
625 Instructions in comments with SSE3.
626 (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128,
627 INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
628 INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
629 V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
630 V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
631 V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
632 V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
633 V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
634 V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
635 V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
636 V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
637 V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
638 (bdesc_sse_args): Renamed to ...
639 (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
640 IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
641 IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
643 (bdesc_1arg): Moved to ...
645 (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New
646 Instructions in comments with SSE3.
647 (ix86_expand_sse_operands_builtin): Renamed to ...
648 (ix86_expand_args_builtin): This. Updated.
649 (ix86_expand_unop1_builtin): Update comments.
650 (ix86_expand_builtin): Updated.
652 2008-04-29 Richard Guenther <rguenther@suse.de>
654 PR tree-optimization/36078
655 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
656 Update virtual SSA form after cleaning up the CFG.
658 2008-04-29 Richard Guenther <rguenther@suse.de>
661 * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
663 2008-04-29 Richard Guenther <rguenther@suse.de>
665 * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
666 (compute_may_aliases): Do not call finalize_ref_all_pointers.
667 (compute_flow_insensitive_aliasing): Do not treat
668 PTR_IS_REF_ALL pointers special.
669 (get_smt_for): Likewise.
670 (may_alias_p): Re-structure.
671 (is_escape_site): A ref-all pointer conversion is not an escape site.
672 * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
673 PTR_IS_REF_ALL pointers special.
674 * tree-ssa-structalias.h (struct alias_info): Remove
675 ref_all_symbol_mem_tag field.
676 (PTR_IS_REF_ALL): Remove.
678 2008-04-29 Richard Guenther <rguenther@suse.de>
681 * fold-const.c (extract_muldiv_1): In combining division constants
682 make sure to never overflow.
684 2008-04-29 Nick Clifton <nickc@redhat.com>
686 * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
688 2008-04-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
691 * optc-gen.awk: Work around HP-UX/IA awk bug.
693 2008-04-28 Danny Smith <dannysmith@users.sourceforge.net>
695 * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
698 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
701 * config/i386/i386.md
702 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
703 Change operand 1 predicate to nonimmediate_operand.
705 2008-04-28 Jakub Jelinek <jakub@redhat.com>
708 * dwarf2out.c (struct die_struct): Mark as chain_circular through
710 * gengtype.c (walk_type, write_func_for_structure): Handle
712 * doc/gty.texi: Document chain_circular.
714 2008-04-28 Richard Guenther <rguenther@suse.de>
716 PR tree-optimization/36066
717 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
720 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
723 * config/i386/i386.md
724 (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
725 Use match_scratch instead of match_operand for operands 3 and 4.
727 2008-04-27 Richard Guenther <rguenther@suse.de>
729 PR tree-optimization/18754
730 PR tree-optimization/34223
731 * tree-pass.h (pass_complete_unrolli): Declare.
732 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
733 loop size before and after unconditionally of UL_NO_GROWTH in effect.
734 Rewrite loop into loop closed SSA form if it is not already.
735 (tree_unroll_loops_completely): Re-structure to iterate over
736 innermost loops with intermediate CFG cleanups.
737 Unroll outermost loops only if requested or the code does not grow
739 * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
741 (tree_vectorize): Instead do so here.
742 (tree_complete_unroll): Also unroll outermost loops.
743 (tree_complete_unroll_inner): New function.
744 (gate_tree_complete_unroll_inner): Likewise.
745 (pass_complete_unrolli): New pass.
746 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
747 uses outside of the loop.
748 (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
749 form if it is available.
750 * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
751 * passes.c (init_optimization_passes): Schedule complete inner
752 loop unrolling pass before the first CCP pass after final inlining.
754 2008-04-27 Nathan Sidwell <nathan@codesourcery.com>
756 * targhooks.h (default_emutls_var_fields,
757 default_emutls_var_init): Declare.
758 * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
759 * target.h (struct gcc_target): Add struct emutls member.
760 * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
761 TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
762 TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
763 TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
764 TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
765 TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
766 (TARGET_INITIALIZER): Add TARGET_EMUTLS.
767 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
768 BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
769 * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
770 emit debug information.
771 * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
772 * varasm.c: Include targhooks.h.
773 (emutls_object_section, emutls_tmpl_section): New.
774 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
775 (EMUTLS_SEPARATOR): New.
777 (get_emutls_object_name): New.
778 (default_emutls_var_fields): New, broken out of ...
779 (get_emutls_object_type): ... here. Adjust to use target hooks.
780 (get_emutls_init_templ_addr): Adjust to use target hooks.
781 (emutls_decl): Adjust to use target hooks.
782 (emutls_finish): Likewise.
783 (default_emutls_var_init): New, broken out of ...
784 (assemble_variable): ... here. Adjust to use target hooks.
785 * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
787 * c-common.c (handle_section_attribute): Prevent overriding
788 sections for emulated tls with special sections.
789 * config/i386/i386.c (x86_64_elf_select_section): Add
790 SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
791 (x86_64_elf_unique_section): Likewise.
792 * config/vxworks.c: Include tree.h.
793 (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
794 (vxworks_override_options): Set TLS scheme.
795 * doc/tm.texi (Emulated TLS): New node.
797 2008-04-26 Simon Baldwin <simonb@google.com>
800 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
801 with propagated string constants.
803 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
805 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
806 constraint for operand 2 when operand 0 is memory operand.
807 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
808 operand 0 is memory operand.
809 (fix_trunc<mode>_i387_with_temp): Ditto.
810 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
811 operand 2 when operand 1 is memory operand.
812 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
813 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
814 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
815 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
816 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
817 operands 2,3 and 4 when operand 1 is memory operand.
818 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
820 (fistdi2_floor_with_temp): Ditto.
821 (fist<mode>2_floor_with_temp): Ditto.
822 (fistdi2_ceil_with_temp): Ditto.
823 (fist<mode>2_ceil_with_temp): Ditto.
824 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
826 2008-04-26 David Daney <ddaney@avtrex.com>
828 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
830 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
831 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
832 UNSPEC_UPDATE_GOT_VERSION): Renumber.
833 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
834 (compare_and_swap_12): New insn.
835 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
836 * config/mips/mips.c (mips_force_binary): New function.
837 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
838 (mips_expand_compare_and_swap_12): New function.
839 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
841 2008-04-25 Jan Hubicka <jh@suse.cz>
844 * cfgexpand.c (pass_expand): Turn into RTL pass.
845 * passes.c (execute_one_pass): Do pass typechecking after execution.
846 * tree-pass.h (pass_expand): Turn into RTL pass.
848 * function.h (struct rtl_data): Move here fields
849 accesses_prior_frames, calls_eh_return, saves_all_registers,
850 has_nonlocal_goto, has_asm_statement, is_thunk,
851 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
852 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
853 arg_pointer_save_area_init from struct function; turn into bool.
854 (struct function): Move
855 calls_eh_return, saves_all_registers, has_nonlocal_goto,
856 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
857 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
858 tail_call_emit, arg_pointer_save_area_init
859 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
860 (current_function_returns_struct, current_function_returns_pcc_struct,
861 current_function_calls_setjmp, current_function_calls_alloca,
862 current_function_accesses_prior_frames,
863 current_function_calls_eh_return, current_function_is_thunk,
864 current_function_stdarg, current_function_profile,
865 current_function_limit_stack, current_function_uses_pic_offset_table,
866 current_function_uses_const_pool, current_function_has_nonlocal_label,
867 current_function_saves_all_registers,
868 current_function_has_nonlocal_goto,
869 current_function_has_asm_statement): Remove accesor macros.
870 * ra-conflict.c (global_conflicts): Update.
871 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
872 (suitable_for_tail_call_opt_p): Update.
873 * builtins.c (expand_builtin_return_addr): Update.
874 (expand_builtin_setjmp_setup): Update.
875 (expand_builtin_nonlocal_goto): Update.
876 * final.c (final_start_function): Update.
877 (profile_function): Update.
878 (leaf_function_p): Update.
879 (only_leaf_regs_used): Update.
880 * df-scan.c (df_get_exit_block_use_set): Update.
881 * dojump.c (clear_pending_stack_adjust): Update.
882 * tree-stdarg.c (gate_optimize_stdarg): Update.
883 * gimple-low.c (lower_function_body): Update.
884 * global.c (compute_regsets): Update.
885 (global_alloc): Update.
886 * dwarf2out.c (dwarf2out_begin_prologue): Update.
887 * expr.c (expand_assignment): Update.
888 * dse.c (dse_step0): Update.
890 * c-decl.c (store_parm_decls): Update.
891 * local-alloc.c (combine_regs): Update.
892 (find_free_reg): Update.
893 * function.c (assign_parms_augmented_arg_list): Update.
894 (assign_parm_find_data_types): Update.
895 (assign_parms): Update.
896 (allocate_struct_function): Update.
897 (expand_function_start): Update.
898 (expand_function_end): Update.
899 (get_arg_pointer_save_area): Update.
900 (thread_prologue_and_epilogue_insns): Update.
901 (rest_of_match_asm_constraints): Update.
902 * stor-layout.c (variable_size): Update.
903 * gcse.c (gcse_main): Update.
904 (bypass_jumps): Update.
905 * gimplify.c (gimplify_function_tree): Update.
906 * calls.c (emit_call_1): Update.
907 (expand_call): Update.
908 * bt-load.c (compute_defs_uses_and_gen): Update.
909 * except.c (sjlj_assign_call_site_values): Update.
910 (sjlj_emit_function_enter): Update.
911 (can_throw_external): Update.
912 (set_nothrow_function_flags): Update.
913 (expand_builtin_unwind_init): Update.
914 (expand_eh_return): Update.
915 (convert_to_eh_region_ranges): Update.
916 (output_function_exception_table): Update.
917 * emit-rtl.c (gen_tmp_stack_mem): Update.
918 * cfgexpand.c (expand_used_vars): Update.
919 (tree_expand_cfg): Update.
920 * cfgcleanup.c (rest_of_handle_jump): Update.
921 * explow.c (allocate_dynamic_stack_space): Update.
922 * varasm.c (assemble_start_function): Update.
923 (force_const_mem): Update.
924 (mark_constant_pool): Update.
925 * tree-optimize.c (tree_rest_of_compilation): Update.
926 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
927 * tree-cfg.c (notice_special_calls): Update.
928 (is_ctrl_altering_stmt): Update.
929 (tree_can_make_abnormal_goto): Update.
930 (tree_purge_dead_abnormal_call_edges): Update.
931 * config/alpha/predicates.md: Update.
932 * config/alpha/alpha.c (alpha_sa_mask): Update.
933 (alpha_sa_size): Update.
934 (alpha_does_function_need_gp): Update.
935 (alpha_expand_prologue): Update.
936 (alpha_start_function): Update.
937 (alpha_output_function_end_prologue): Update.
938 (alpha_expand_epilogue): Update.
939 * config/frv/frv.c (frv_stack_info): Update.
940 (frv_expand_epilogue): Update.
941 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
942 (s390_register_info): Update.
943 (s390_frame_info): Update.
944 (s390_init_frame_layout): Update.
945 (s390_can_eliminate): Update.
947 * config/spu/spu.c (spu_split_immediate): Update.
948 (need_to_save_reg): Update.
949 (spu_expand_prologue): Update.
950 (spu_expand_epilogue): Update.
951 * config/sparc/sparc.md: Update.
952 * config/sparc/sparc.c (eligible_for_return_delay): Update.
953 (sparc_tls_got): Update.
954 (legitimize_pic_address): Update.
955 (sparc_emit_call_insn): Update.
956 (sparc_expand_prologue): Update.
957 (output_return): Update.
958 (print_operand): Update.
959 (sparc_function_ok_for_sibcall): Update.
960 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
961 * config/m32r/m32r.md: Update.
962 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
963 (m32r_compute_frame_size): Update.
964 (m32r_expand_prologue): Update.
965 (m32r_expand_epilogue): Update.
966 (m32r_legitimize_pic_address): Update.
967 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
968 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
969 * config/i386/i386.c (ix86_frame_pointer_required): Update.
971 (ix86_save_reg): Update.
972 (ix86_compute_frame_layout): Update.
973 (ix86_expand_prologue): Update.
974 (ix86_expand_epilogue): Update.
975 * config/sh/sh.c (output_stack_adjust): Update.
976 (calc_live_regs): Update.
977 (sh5_schedule_saves): Update.
978 (sh_expand_prologue): Update.
979 (sh_expand_epilogue): Update.
980 (sh_setup_incoming_varargs): Update.
981 (sh_allocate_initial_value): Update.
982 (sh_get_pr_initial_val): Update.
983 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
984 * config/sh/sh.md (label:): Update.
985 * config/avr/avr.c (out_movhi_mr_r): Update.
986 * config/crx/crx.h (enum): Update.
987 * config/xtensa/xtensa.h (along): Update.
988 * config/stormy16/stormy16.c Update.
989 (xstormy16_compute_stack_layout): Update.
990 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
991 (fr30_expand_prologue): Update.
992 * config/cris/cris.c (cris_conditional_register_usage): Update.
993 (cris_reg_saved_in_regsave_area): Update.
994 (cris_initial_frame_pointer_offset): Update.
995 (cris_simple_epilogue): Update.
996 (cris_expand_prologue): Update.
997 (cris_expand_epilogue): Update.
998 (cris_expand_pic_call_address): Update.
999 (cris_asm_output_symbol_ref): Update.
1000 (cris_asm_output_label_ref): Update.
1001 * config/cris/cris.md Update.
1002 * config/iq2000/iq2000.c (compute_frame_size): Update.
1003 (iq2000_expand_epilogue): Update.
1004 * config/mt/mt.h (save_direction): Update.
1005 * config/mn10300/mn10300.c (mn10300_function_value): Update.
1006 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1007 (ia64_secondary_reload_class): Update.
1008 * config/m68k/m68k.c (m68k_save_reg): Update.
1009 (m68k_expand_prologue): Update.
1010 (m68k_expand_epilogue): Update.
1011 (legitimize_pic_address): Update.
1012 * config/rs6000/rs6000.c (rs6000_got_register): Update.
1013 (first_reg_to_save): Update.
1014 (first_altivec_reg_to_save): Update.
1015 (compute_vrsave_mask): Update.
1016 (compute_save_world_info): Update.
1017 (rs6000_stack_info): Update.
1018 (spe_func_has_64bit_regs_p): Update.
1019 (rs6000_ra_ever_killed): Update.
1020 (rs6000_emit_eh_reg_restore): Update.
1021 (rs6000_emit_allocate_stack): Update.
1022 (rs6000_emit_prologue): Update.
1023 (rs6000_emit_epilogue): Update.
1024 (rs6000_output_function_epilogue): Update.
1025 (output_profile_hook): Update.
1026 (rs6000_elf_declare_function_name): Update.
1027 * config/rs6000/rs6000.h (rs6000_args): Update.
1028 * config/rs6000/rs6000.md: Update.
1029 * config/mcore/mcore.c (mcore_expand_prolog): Update.
1030 * config/arc/arc.c (arc_output_function_epilogue): Update.
1031 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
1032 * config/darwin.c (machopic_function_base_name): Update.
1033 * config/score/score3.c (score3_compute_frame_size): Update.
1036 (score3_epilogue): Update.
1037 * config/score/score7.c (score7_compute_frame_size): Update.
1038 (score7_prologue): Update.
1039 (score7_epilogue): Update.
1040 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
1041 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
1042 * config/arm/arm.c (use_return_insn): Update.
1043 (require_pic_register): Update.
1044 (arm_load_pic_register): Update.
1045 (arm_compute_save_reg0_reg12_mask): Update.
1046 (arm_compute_save_reg_mask): Update.
1047 (thumb1_compute_save_reg_mask): Update.
1048 (output_return_instruction): Update.
1049 (arm_output_function_prologue): Update.
1050 (arm_output_epilogue): Update.
1051 (arm_get_frame_offsets): Update.
1052 (arm_expand_prologue): Update.
1053 (thumb_pushpop): Update.
1054 (thumb_exit): Update.
1055 (thumb1_expand_prologue): Update.
1056 (thumb1_expand_epilogue): Update.
1057 (arm_unwind_emit): Update.
1058 (arm_output_fn_unwind): Update.
1059 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
1060 * config/arm/arm.md: Update.
1061 * config/pa/pa.md: Update.
1062 * config/pa/pa.c (legitimize_pic_address): Update.
1063 (compute_frame_size): Update.
1064 (hppa_expand_prologue): Update.
1065 (hppa_expand_epilogue): Update.
1066 (borx_reg_operand): Update.
1067 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
1068 (HARD_REGNO_RENAME_OK): Update.
1069 * config/mips/mips.c (mips_global_pointer): Update.
1070 (mips_save_reg_p): Update.
1071 (mips_compute_frame_info): Update.
1072 (mips_frame_pointer_required): Update.
1073 (mips_expand_prologue): Update.
1074 (mips_expand_epilogue): Update.
1075 (mips_can_use_return_insn): Update.
1076 (mips_reorg_process_insns): Update.
1077 * config/v850/v850.c (compute_register_save_size): Update.
1078 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
1079 * config/mmix/mmix.c (along): Update.
1080 (mmix_expand_epilogue): Update.
1081 * config/bfin/bfin.c (legitimize_pic_address): Update.
1082 (must_save_p): Update.
1083 (stack_frame_needed_p): Update.
1084 (add_to_reg): Update.
1085 (bfin_expand_prologue): Update.
1086 * stmt.c (expand_asm_operands): Update.
1087 * reload1.c (reload): Update.
1088 (init_elim_table): Update.
1090 2008-04-25 Bob Wilson <bob.wilson@acm.org>
1092 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
1094 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
1096 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
1097 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
1098 (mov<mode>): Removed.
1099 (*movv4sf_internal): Likewise.
1100 (*movv2df_internal): Likewise.
1102 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
1104 * config.gcc (crx-*-elf): Remove deprecation.
1106 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
1108 * config/i386/cygming-crtend.c (register_frame_ctor): Register
1109 __gcc_deregister_frame with atexit.
1110 (deregister_frame_dtor): Remove.
1112 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
1113 Nathan Sidwell <nathan@codesourcery.com>
1115 * config/rs6000/rs6000.opt (mspe): Remove Var property.
1117 * config/rs6000/rs6000.h (rs6000_spe): Declare.
1118 (rs6000_isel): Likewise.
1119 * config/rs6000/rs6000.c (rs6000_spe): New variable.
1120 (rs6000_isel): New variable.
1121 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
1123 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1126 * c-common.c (handle_vector_size_attribute): Call
1127 lang_hooks.types.reconstruct_complex_type instead of
1128 reconstruct_complex_type.
1129 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
1130 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
1131 * langhooks.h (struct lang_hooks_for_types): Add
1132 reconstruct_complex_type hook.
1133 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
1134 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
1136 2008-04-24 Richard Guenther <rguenther@suse.de>
1138 * c-common.h (check_builtin_function_arguments): Declare.
1139 * c-common.c (validate_nargs): New function.
1140 (check_builtin_function_arguments): Likewise.
1141 * c-typeck.c (build_function_call): Call
1142 check_builtin_function_arguments.
1143 * builtins.c (fold_builtin_classify): Remove error reporting code.
1144 (fold_builtin_unordered_cmp): Likewise.
1145 (fold_builtin_1): Likewise.
1146 (fold_builtin_n): Likewise.
1148 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1150 PR tree-optimization/36008
1151 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
1152 the original op1, rather than delta by step.
1154 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
1155 Sebastian Pop <sebastian.pop@amd.com>
1157 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
1158 eliminate_local_variables_stmt, eliminate_local_variables,
1159 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
1160 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
1161 of code delimited by two edges in the CFG.
1162 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
1163 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
1164 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
1165 the case of parallelisation of reductions.
1166 (expr_invariant_in_region_p): New.
1168 * tree-flow.h (gather_blocks_in_sese_region): Declared.
1169 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
1171 2008-04-24 Ira Rosen <irar@il.ibm.com>
1172 Richard Guenther <rguenther@suse.de>
1174 PR tree-optimization/36034
1175 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
1176 incapable of dealing with loads with gaps.
1178 2008-04-24 Rafael Espindola <espindola@google.com>
1180 * tree-flow.h (vrp_evaluate_conditional): Change signature.
1181 * tree-ssa-propagate.c (fold_predicate_in): Update call to
1182 vrp_evaluate_conditional.
1183 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
1184 (vrp_evaluate_conditional): Split the cond argument.
1185 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
1186 (simplify_stmt_for_jump_threading): Update call to
1187 vrp_evaluate_conditional.
1189 2008-04-24 Ira Rosen <irar@il.ibm.com>
1191 PR tree-optimization/35982
1192 * tree-vect-analyze.c (vect_check_interleaving): Check that the
1193 interleaved data-refs are of the same type.
1195 2008-04-24 Danny Smith <dannysmith@users.net>
1197 * c-format.c (check_format_info_main): Use strncmp rather than a
1198 magic prefix to handle multichar length specs.
1199 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
1200 Don't prefix "I64" and "I32" with '\0'.
1202 2008-04-24 Jakub Jelinek <jakub@redhat.com>
1205 * config/i386/i386.c (init_cumulative_args): Don't pass anything
1206 in registers for -m32 only if stdarg_p (fntype).
1208 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
1210 PR rtl-optimization/36006
1211 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
1212 temp to op0 in order to avoid invalid rtx sharing.
1214 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
1216 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
1217 check TREE_INVARIANT.
1218 * tree-gimple.c (is_gimple_address): New.
1219 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
1220 * tree-gimple.h (is_gimple_address): New.
1221 * tree.h (decl_address_invariant_p): New.
1222 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
1223 (build_string): Likewise.
1224 (decl_address_invariant_p): New, from is_gimple_invariant_address.
1225 (tree_invariant_p_1): Likewise.
1226 (save_expr): Use it.
1227 (tree_invariant_p): New.
1228 (skip_simple_arithmetic): Use it.
1229 (stabilize_reference_1): Use it.
1230 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
1232 (build1_stat): Drop code to compute TREE_INVARIANT.
1233 (build2_stat): Drop code to compute TREE_INVARIANT.
1234 (build3_stat): Drop code to compute TREE_INVARIANT.
1235 (build4_stat): Drop code to compute TREE_INVARIANT.
1236 (build5_stat): Drop code to compute TREE_INVARIANT.
1237 (build7_stat): Drop code to compute TREE_INVARIANT.
1238 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
1239 * tree.h (struct tree_base): Remove invariant_flag.
1240 (TREE_INVARIANT): Remove.
1241 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
1242 (fold_builtin_expect): Check TREE_CONSTANT.
1243 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
1244 * c-tree.h (c_expr_to_decl): Drop third parameter.
1245 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
1246 (build_c_cast): Don't set TREE_INVARIANT.
1247 (pop_init_level): Don't set TREE_INVARIANT.
1248 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
1249 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
1251 (gimplify_init_constructor): Don't set TREE_INVARIANT.
1252 (gimplify_addr_expr): Adjust comment.
1253 * tree-mudflap.c (mf_build_string):
1254 * print-tree.c (print_node): Don't print TREE_INVARIANT.
1255 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
1256 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
1257 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
1258 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
1259 * langhooks.h (struct lang_hooks): Drop third parameter from
1262 2008-04-23 Richard Guenther <rguenther@suse.de>
1264 PR tree-optimization/27799
1265 PR tree-optimization/32921
1266 PR tree-optimization/32624
1267 * tree-ssa-structalias.c (merge_smts_into): Only merge the
1268 SMTs aliases and the tag itself into the solution.
1269 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
1270 merge the points-to solution back into the SMT aliases.
1271 (may_alias_p): Use alias_set_subset_of instead of
1272 aliases_conflict_p. A pointer which points to
1273 memory with alias set zero may access any variable.
1275 2008-04-23 Richard Guenther <rguenther@suse.de>
1277 * alias.c (alias_set_subset_of): Correctly handle asking
1278 if zero is a subset of an alias set with zero child.
1279 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
1280 (compute_flow_insensitive_aliasing): Correctly walk all
1281 pointers. Do not unnecessarily union sets.
1283 2008-04-23 Richard Guenther <rguenther@suse.de>
1286 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
1288 2008-04-22 Tomas Bily <tbily@suse.cz>
1290 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
1292 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
1294 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1295 * tree-ssa-structalias.c (get_constraint_for): Likewise.
1296 * tree-inline.c (estimate_num_insns_1): Likewise.
1297 * varasm.c (const_hash_1, compare_constant, copy_constant)
1298 (compute_reloc_for_constant, output_addressed_constants): Likewise.
1299 * emit-rtl.c (component_ref_for_mem_expr)
1300 (set_mem_attributes_minus_bitpos): Likewise.
1301 * expr.c (highest_pow2_factor, expand_expr_real_1, )
1302 (is_aligning_offset): Likewise.
1303 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
1304 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1305 * dojump.c (do_jump): Likewise.
1306 * builtins.c (get_pointer_alignment, get_memory_rtx)
1307 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
1308 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
1310 2008-04-23 Jakub Jelinek <jakub@redhat.com>
1312 PR rtl-optimization/36017
1313 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
1314 expanding the library call.
1316 2008-04-22 Ian Lance Taylor <iant@google.com>
1318 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
1321 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
1323 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
1324 of LR/CTR moves for Power6.
1326 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1329 * passes.c (init_optimization_passes): Remove
1330 pass_fast_rtl_byte_dce.
1332 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
1335 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
1336 builtin functions to generate faster code.
1337 (_mm_cvtpu16_ps): Ditto.
1338 (_mm_cvtpi32x2_ps): Ditto.
1340 2008-04-22 Nick Clifton <nickc@redhat.com>
1342 * common.opt (ftree-loop-distribution): Add Optimization
1345 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
1346 (frv_expand_builtin_va_start): Likewise.
1348 * config/arm/arm.c (thumb_find_work_register): Fix location of
1349 argument register count.
1351 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1353 Support scheduling for ColdFire V1 and V3 microarchitecture.
1354 Improve scheduling of multiplication instructions.
1356 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
1357 (mac): New instruction attribute.
1358 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
1359 (m68k_sched_mac): New variable.
1360 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
1361 Handle cfv1 and cfv3.
1362 (max_insn_size): New static variable.
1363 (struct _sched_ib): New type.
1364 (sched_ib): New static variable.
1365 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
1366 to fields of 'struct _sched_ib sched_ib'. Update all uses.
1367 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
1369 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
1370 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
1371 new variables. Update.
1372 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1373 Add modeling of cfv3 instruction buffer. Update.
1374 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
1375 * config/m68k/m68k.h (TUNE_CFV3): New macro.
1376 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
1377 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
1378 a particular reservation applies to.
1379 (type2): Reorganize attribute values. Rename alu to alu_reg,
1380 alu_l to alu, move_l to omove. Join move to alu. Split mul
1382 (cf_ib_*): Simplify description of instruction buffer.
1383 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
1384 (cf_mem): Split into cf_mem1 and cf_mem2.
1385 (cf_v2_move_??): Rename to cfv12_alu_??.
1386 (cf_v2_move_l_??): Rename to cfv12_omove_??.
1387 (cf_v2_mul_??): Remove reservations.
1388 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
1389 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
1390 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
1392 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
1393 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
1394 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
1395 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
1396 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
1397 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
1398 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
1399 expansions of the above reservations for instructions of sizes
1402 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1404 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
1406 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
1408 * coverage.c: Include tree-pass.h.
1409 (coverage_counter_alloc): Print da_file_name to the dump file.
1411 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1413 * sbitmap.c (sbitmap_range_empty_p): New function.
1414 * sbitmap.h (sbitmap_range_empty_p): New function.
1415 * bitmap.h: Now includes obstack.h.
1417 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
1418 Kenneth Zadeck <zadeck@naturalbridge.com>
1420 * dbgcnt.def (ra_byte_scan): Added.
1421 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
1422 when the last hit happens for a counter.
1423 * timevar.def (TV_DF_BYTE_LR): New variable.
1424 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
1425 * passes.c (pass_fast_rtl_byte_dce): New pass.
1426 * fwprop.c (update_df): Added mode to call df_ref_create.
1427 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1428 DF_REF_EXTRACT_OFFSET.
1429 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
1430 DF_BYTE_LR_OUT, df_byte_lr): New macro.
1432 (df_ref_extract): Added mode field.
1433 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1434 DF_REF_EXTRACT_OFFSET.
1435 (DF_REF_EXTRACT_MODE): New macro.
1436 (df_byte_lr_bb_info): New structure.
1437 (df_print_byte_regset, df_compute_accessed_bytes,
1438 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1439 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1440 df_byte_lr_simulate_uses,
1441 df_byte_lr_simulate_artificial_refs_at_top,
1442 df_byte_lr_simulate_artificial_refs_at_end,
1443 df_compute_accessed_bytes): New function.
1444 (df_ref_create): Add parameter.
1445 (df_byte_lr_get_bb_info): New inline function.
1446 * df-scan.c (df_ref_record, df_uses_record,
1447 df_ref_create_structure): Added mode parameter.
1448 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
1449 df_defs_record, df_uses_record, df_get_conditional_uses,
1450 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
1451 df_entry_block_defs_collect, df_exit_block_uses_collect):
1452 Added mode parameter to calls to df_ref_record, df_uses_record,
1453 df_ref_create_structure.
1454 (df_ref_equal_p, df_ref_compare): Added test for modes.
1455 (df_ref_create_structure): Added code to set mode. Renamed
1456 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1457 DF_REF_EXTRACT_OFFSET.
1458 * df-core.c (df_print_byte_regset): New function.
1459 * df-byte-scan.c: New file.
1460 * df-problems.c (df_rd_transfer_function): Removed unnecessary
1461 calls to BITMAP_FREE.
1462 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1463 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1464 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
1465 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
1466 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1467 df_byte_lr_local_compute, df_byte_lr_init,
1468 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
1469 df_byte_lr_transfer_function, df_byte_lr_free,
1470 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1471 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
1472 df_byte_lr_simulate_uses,
1473 df_byte_lr_simulate_artificial_refs_at_top,
1474 df_byte_lr_simulate_artificial_refs_at_end): New function.
1475 * dce.c (byte_dce_process_block): New function.
1476 (dce_process_block): au is now passed in rather than computed
1477 locally. Changed loops that look at artificial defs to not look
1478 for conditional or partial ones, because there never are any.
1479 (fast_dce): Now is able to drive byte_dce_process_block or
1480 dce_process_block depending on the kind of dce being done.
1481 (rest_of_handle_fast_dce): Add parameter to fast_dce.
1482 (rest_of_handle_fast_byte_dce): New function.
1483 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1484 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1486 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
1489 * gcc.h: Added fortran options that take arguments to
1490 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1493 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
1495 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1496 scalarization if on the LHS and not a full access.
1498 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1500 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1502 2008-04-18 Rafael Espindola <espindola@google.com>
1504 * tree-vrp.c (find_case_label_index): Fix the binary search.
1505 (find_case_label_range): New.
1506 (vrp_visit_switch_stmt): Use find_case_label_range.
1507 (simplify_switch_using_ranges): Use find_case_label_range.
1509 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
1511 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1512 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1514 2008-04-18 Tom Tromey <tromey@redhat.com>
1517 * doc/cpp.texi (Implementation-defined behavior): Mention
1520 2008-04-18 Ian Lance Taylor <iant@google.com>
1522 * fold-const.c (pointer_may_wrap_p): New static function.
1523 (fold_comparison): Add another test for pointer overflow. Use
1524 pointer_may_wrap_p to disable some false positives.
1526 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
1528 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1529 (fname_as_string): Match updated cpp_interpret_string prototype.
1530 (fix_string_type): Support char16_t* and char32_t*.
1531 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1532 derivative) nodes. Register as builtin if C++0x.
1533 (c_parse_error): Support CPP_CHAR{16,32}.
1534 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
1535 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1536 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1537 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1538 CTI_CHAR32_ARRAY_TYPE>: New elements.
1539 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1540 char32_type_node, signed_char32_type_node, char16_array_type_node,
1541 char32_array_type_node): New defines.
1542 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1543 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1544 (lex_string): Support CPP_STRING{16,32}, match updated
1545 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1546 (lex_charconst): Support CPP_CHAR{16,32}.
1547 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1548 and CPP_STRING{16,32}.
1550 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
1553 * aclocal.m4: Regenerate.
1554 * configure: Regenerate.
1556 2008-04-18 Jan Hubicka <jh@suse.cz>
1558 * except.c (dw2_size_of_call_site_table,
1559 sjlj_size_of_call_site_table): Use vector API for call_site_record.
1561 * cgraphbuild.c (build_cgraph_edges): Update.
1562 * tree-pass.h: Update comment.
1563 * final.c (leaf_function_p): Update.
1564 (leaf_renumber_regs): Update.
1565 (rest_of_clean_state): Update.
1566 * omp-low.c (expand_omp_parallel): Update.
1567 * ipa-reference.c (analyze_function): Update.
1568 * reorg.c (find_end_label): Update.
1569 (optimize_skip): Update.
1570 (fill_simple_delay_slots): Update.
1571 (fill_simple_delay_slots): Update.
1572 (make_return_insns): Update.
1573 (dbr_schedule): Update.
1574 * gimple-low.c (record_vars_into): Update.
1575 * cfgbuild.c (make_edges): Update.
1576 * function.c (assign_stack_local): Update.
1577 (assign_parm_adjust_stack_rtl): Update.
1578 (locate_and_pad_parm): Update.
1579 (allocate_struct_function): Do not initialize stack_alignment_needed
1580 and preferred_stack_boundary here.
1581 (stack_protect_prologue): Update.
1582 (stack_protect_epilogue): Update.
1583 (expand_function_start): Initialize stack_alignment_needed,
1584 preferred_stack_boundary and max_jumptable_ents.
1585 (expand_function_end): Update.
1586 (free_after_compilation): Do not NULLify epilogue_delay_list.
1587 * function.h (struct rtl_data): Add stack_protect_guard,
1588 stack_alignment_needed,
1589 preferred_stack_boundary, epilogue_delay_list.
1590 (struct function): Remove value_histograms, stack_alignment_needed,
1591 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1593 unexpanded_var_list, stack_protect_guard.
1594 (current_function_epilogue_delay_list): Remove.
1595 * ipa-type-escape.c (analyze_function): Update.
1596 * gimplify.c (pop_gimplify_context): Update comment.
1597 * calls.c (expand_call): Update.
1598 (emit_library_call_value_1): Update.
1599 * except.c (set_nothrow_function_flags): Update.
1600 * cfgexpand.c (get_decl_align_unit): Update.
1601 (create_stack_guard): Update.
1602 (estimated_stack_frame_size): Update.
1603 (expand_used_vars): Update.
1604 (tree_expand_cfg): Free histogram earliers, init expansion variables.
1605 * explow.c (allocate_dynamic_stack_space): Update.
1606 * tree-ssa-live.c (remove_unused_locals): Update.
1607 * varasm.c (mark_constant_pool): Update.
1608 * tree-inline.c (remap_decls): Update.
1609 (initialize_cfun): Update.
1610 (declare_return_variable): Update.
1611 (inline_forbidden_p): Update.
1612 (expand_call_inline): Update.
1613 (declare_inline_vars): Update.
1614 (tree_function_versioning): Update.
1615 * tree-flow.h (value_histograms): New.
1616 (VALUE_HISTOGRAMS): New macro.
1617 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1619 * tree-cfg.c (set_bb_for_stmt): Update.
1620 (replace_by_duplicate_decl): Update.
1621 (move_block_to_fn): Update.
1622 (new_label_mapper): Update.
1623 (dump_function_to_file): Update.
1624 * ipa-struct-reorg.c (build_data_structure): Update.
1625 * cfgrtl.c (print_rtl_with_bb): Update.
1626 * reload1.c (reload): Update.
1628 * config/i386/i386.c (setup_incoming_varargs_64,
1629 ix86_compute_frame_layout): Update.
1630 * config/arc/arc.c (arc_output_function_epilogue): Update.
1632 2008-04-18 Marius Strobl <marius@FreeBSD.org>
1634 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1635 for FreeBSD as well.
1636 * gthr-posix95.h: Likewise.
1638 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
1640 PR rtl-optimization/35838
1641 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1642 out the byte offset of the first subreg.
1644 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
1646 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1647 to split_ti instead of three separate calls with single member arrays.
1648 (subti3 splitter): Ditto.
1649 (adddi3 splitter): Ditto with split_di.
1650 (subdi3 splitter): Ditto.
1651 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1652 two separate calls with single member arrays. Swap match_dup
1653 operands 1 and 2 to better fit into the array.
1654 (negdi2 splitter): Ditto with split_di.
1655 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
1656 two separate calls with single member arrays. Swap match_dup operands
1657 6 and 7 to better fit into the array.
1659 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
1661 * config/i386/i386.c (sse_builtin_type): New.
1662 (bdesc_sse_args): Likewise.
1663 (bdesc_sse_3arg): Removed.
1664 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1665 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1666 IX86_BUILTIN_ROUNDPS.
1667 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
1668 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
1669 IX86_BUILTIN_ROUNDPS.
1670 (ix86_expand_sse_4_operands_builtin): Removed.
1671 (ix86_expand_sse_operands_builtin): New.
1672 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1673 and CODE_FOR_sse4_1_roundps.
1674 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1675 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
1677 2008-04-17 Alan Modra <amodra@bigpond.net.au>
1680 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1681 regs before frame pop when needed. If use_backchain_to_restore_sp
1682 then load backchain into a temp reg to restore vr and vrsave. Add
1683 code to restore vr after frame pop if possible.
1685 2008-04-17 Richard Guenther <rguenther@suse.de>
1687 * tree-vn.c (expressions_equal_p): Do not check type
1688 equality or compatibility before calling operand_equal_p.
1689 * fold-const.c (operand_equal_p): Check equivalence of
1690 integer constants before bailing out due to signedness or
1691 precision differences.
1692 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1693 spurious differences in type qualification. Ignore types
1694 for COMPONENT_REFs at all.
1696 2008-04-17 Christian Bruel <christian.bruel@st.com>
1698 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1699 msw_skip comparison.
1701 2008-04-16 Jakub Jelinek <jakub@redhat.com>
1704 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1707 PR tree-optimization/35899
1708 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1709 rather than TREE_OPERAND.
1711 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
1714 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1715 temporary registers. Change operand predicate to general_operand.
1716 (remainderxf3): Ditto.
1718 2008-04-16 Richard Guenther <rguenther@suse.de>
1720 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1721 * tree-affine.c (aff_combination_expand): Look through some
1724 2008-04-15 Doug Kwan <dougkwan@google.com>
1726 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1728 * tree-pretty-print.c (dump_generic_node): Ditto.
1729 * final.c (output_addr_const): Ditto.
1730 * dwarf2out.c (output_cfi): Ditto.
1731 * c-pretty-print.c (pp_c_integer_constant): Ditto.
1732 * print-rtl.c (print_rtx): Ditto.
1733 * print-tree.c (print_node_brief, print_node): Ditto.
1734 * c-common.c (match_case_to_enum_1): Ditto.
1735 * sched-vis.c (print_value): Ditto.
1736 * config/i386/i386.c (print_operand): Cast to long unsigned int
1739 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
1740 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
1741 MS Windows VirtualProtect function.
1743 2008-04-15 Jan Hubicka <jh@suse.cz>
1745 * gengtype.c (write_root): Param_is argument is OK.
1746 * expr.c (expand_expr_real_1): Update call of get_exception_*.
1747 * function.h: Include varray.h
1748 (rtl_eh): New stucture based on except.c one.
1749 (call_site_record): New forward declaration and vector type.
1750 * calls.c (emit_call_1): Do not call
1751 note_current_region_may_contain_throw.
1752 * except.c (eh_status): Remove cur_region, try_region since they are
1754 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1755 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1756 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
1757 Remove call_site_data_used, call_site_data_size.
1758 Turn call_site_record into vector in function.h.
1759 (note_current_region_may_contain_throw): Remove.
1760 (get_exception_pointer, get_exception_filter): Do not take struct
1761 function argument; update.
1762 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1763 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1764 build_post_landing_pads, dw2_build_landing_pads,
1765 sjlj_assign_call_site_values, sjlj_mark_call_sites,
1766 sjlj_emit_function_enter, sjlj_emit_function_enter,
1767 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1768 sjlj_build_landing_pads, finish_eh_generation,
1769 remove_exception_handler_label, remove_eh_handler,
1770 maybe_remove_eh_handler, add_reachable_handler,
1771 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1772 add_action_record, collect_one_action_chain, add_call_site,
1773 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1774 sjlj_output_call_site_table, output_function_exception_table,
1775 * except.h (note_current_region_may_contain_throw): Remove
1776 (get_exception_pointer, get_exception_filter): Do not take struct
1778 * Makefile.in (GTFILES): Put varargs before struct function.
1780 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1782 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1783 punt for STRING_CST.
1784 (get_constraint_for): Deal with STRING_CST here instead.
1786 2008-04-15 Richard Guenther <rguenther@suse.de>
1788 * tree-ssa-propagate.c (substitute_and_fold): Substitute
1789 statements in a basic-block with a backward walk. Do not
1790 substitute into dead statements but instead remove those.
1792 2008-04-15 Richard Guenther <rguenther@suse.de>
1794 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1795 to zero, thus disable creation of SFTs.
1797 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1799 * tree-predcom.c (suitable_reference_p): Return false if the
1800 reference can throw.
1802 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1805 * c-decl.c (finish_decl): If extern or static var has variable
1806 size, set TREE_TYPE (decl) to error_mark_node.
1808 2008-04-15 Rafael Espindola <espindola@google.com>
1810 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1813 2008-04-15 Richard Guenther <rguenther@suse.de>
1815 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1816 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1817 (visit_reference_op_load): Do walk vuse-vdef chains on
1818 vn_reference_lookup.
1819 (visit_reference_op_store): But do not here.
1820 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1821 vn_reference_lookup.
1822 (vn_lookup_with_vuses): But do so here.
1824 2008-04-14 Ian Lance Taylor <iant@google.com>
1826 * fold-const.c (fold_overflow_warning): Remove assertion.
1828 2008-04-15 Ben Elliston <bje@au.ibm.com>
1830 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1831 temp1 local variables.
1833 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1836 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1837 ".text.unlikely" section as executable.
1839 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1841 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1842 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1843 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1844 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1845 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1846 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1847 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1849 2008-04-14 Ian Lance Taylor <iant@google.com>
1851 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1852 * fold-const.c (fold_comparison): If appropriate, test
1853 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1854 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1855 reassociating a pointer type.
1856 * doc/invoke.texi (Optimize Options): Document that
1857 -fstrict-overflow applies to pointer wraparound.
1859 2008-04-13 Jan Hubicka <jh@suse.cz>
1861 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1863 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1865 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1866 we are going to "save the world".
1868 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1870 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1871 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1872 operand 0 constraint, not "=".
1874 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1876 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1878 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1880 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1881 of size of positions_needed * CHAR_BIT.
1883 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1886 * dse.c (store_info): Change positions_needed to unsigned
1888 (lowpart_bitmask): New.
1889 (record_store): Cast to unsigned HOST_WIDE_INT for
1890 positions_needed. Assert width <= size of positions_needed *
1891 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1892 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1893 lowpart_bitmask to set mask.
1895 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1897 * config/bfin/constraints.md: New file.
1898 * config/bfin/bfin.md: Include it.
1899 (adddi3): Use satisfies_constraint functions instead of the old macros.
1900 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1901 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1902 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1903 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1904 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1905 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1906 EXTRA_CONSTRAINT): Delete.
1907 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1908 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1910 * config/bfin/bfin.c: Include "tm-constrs.h".
1911 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1912 Use satisfies_constraint functions instead of the old macros.
1913 * doc/md.texi (Blackfin Constraints): Update file name reference.
1915 2008-04-11 Richard Guenther <rguenther@suse.de>
1917 PR tree-optimization/35869
1918 * tree-vrp.c (execute_vrp): Move switch statement update after
1919 jump threading. Schedule another cfg cleanup run.
1921 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1924 * attribs.c (decl_attributes): Return early on errorneous node.
1926 2008-04-10 Oleg Ryjkov <olegr@google.com>
1928 * tree.h (struct tree_base): Added a new flag default_def_flag.
1929 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1931 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1933 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1935 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1938 * pa.md: Define mode iterator P. Define mode attribute dwc.
1939 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1940 (icacheflush): Likewise.
1941 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1942 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1944 2008-04-11 Ben Elliston <bje@au.ibm.com>
1946 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1948 2008-04-10 Rafael Espindola <espindola@google.com>
1950 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1951 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1952 (extract_range_from_expr): The same.
1954 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1956 * config/mips/mips.md (GPR2): New mode iterator.
1958 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1959 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1960 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1961 Rewrite these to take two modes, the mode of comparison and the
1962 mode of the destination.
1963 * config/mips/mips.c (mips_expand_scc): Instead of having
1964 paradoxical subreg as destination, expand "narrowing" scc if mode
1965 of comparison is SI and target is requested in DI mode.
1966 (mips_emit_int_order_test): Update comment. Make mode of
1967 comparison match CMP0 rather than TARGET. When creating inverse
1968 target use mode of TARGET.
1970 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1972 * gcov-dump.c (tag_summary): Only print summaries for the first
1973 GCOV_COUNTERS_SUMMABLE counters.
1975 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1977 * config/i386/i386.md (absneg): New code iterator.
1978 (absnegprefix): New code attribute.
1979 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1980 patterns using absneg code iterator.
1981 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1982 using absneg code iterator.
1983 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1984 *neg<mode>2 patterns using absneg code iterator.
1985 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1986 *negextendsfdf2 patterns using absneg code iterator.
1987 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1988 *negextendsfxf2 patterns using absneg code iterator.
1989 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1990 *negextendsfdf2 patterns using absneg code iterator.
1991 * config/i386/sse.md (<code><mode>2): Macroize expander from
1992 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1994 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1996 * config/s390/s390.h: Remove the remains of the recent search
1997 & replace action of current_function_outgoing_args_size.
1999 2008-04-10 Ira Rosen <irar@il.ibm.com>
2001 PR tree-optimization/35821
2002 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
2003 NEW_STMT_LIST is not NULL.
2005 2008-04-09 David Edelsohn <edelsohn@gnu.org>
2008 * toplev.c (process_options): Remove -ffunction-sections debugging
2011 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
2013 PR middle-end/PR28690
2014 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
2015 than gen_rtx_fmt_ee to perform more canonicalizations.
2017 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2020 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
2022 2008-04-09 Richard Guenther <rguenther@suse.de>
2024 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
2025 (dump_function_to_file): Dump function arguments with types.
2027 2008-04-08 Richard Guenther <rguenther@suse.de>
2029 * fold-const.c (fold_widened_comparison): Do not allow
2030 sign-changes that change the result.
2032 2008-04-08 Janis Johnson <janis187@us.ibm.com>
2035 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
2036 kinds of indirect references.
2038 2008-04-08 David Edelsohn <edelsohn@gnu.org>
2040 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
2041 GNU Fortran language string.
2043 2008-04-08 Rafael Espindola <espindola@google.com>
2045 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
2046 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
2047 * tree.h (tree_call_nonnegative_warnv_p): New.
2049 2008-04-08 Jan Hubicka <jh@suse.cz>
2051 * function.c (free_after_compilation): Clear out regno_reg_rtx
2054 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
2057 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
2059 PR middle-end/PR28690
2060 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
2061 same precedence as REG_POINTER and MEM_POINTER operands.
2063 2008-04-08 Richard Guenther <rguenther@suse.de>
2066 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
2067 for adding index to base.
2069 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
2071 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
2072 (MINGW_ENABLE_EXECUTE_STACK): New.
2073 (IN_LIBGCC2): For libgcc include windows.h file for
2074 function declarations.
2076 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
2078 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
2079 and tem2 if tem1 is not a REG or MULT.
2081 2008-04-08 Jan Hubicka <jh@suse.cz>
2083 * function.h (incomming_args): Break out of struct function.
2084 (function_subsections): Break out of struct function.
2085 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
2086 return_rtx and hard_reg_initial_vals from struct function.
2087 Kill inl_max_label_num.
2088 (current_function_pops_args, current_function_args_info,
2089 current_function_args_size, current_function_args_size,
2090 current_function_pretend_args_size,
2091 current_function_outgoing_args_size,
2092 current_function_internal_arg_pointer, current_function_return_rtx):
2093 Kill compatibility accestor macros.
2094 * builtins.c (expand_builtin_apply_args_1): Update.
2095 (expand_builtin_next_arg): Update.
2096 * df-scan.c (df_get_call_refs): Update.
2097 * dbxout.c (dbxout_function_end): Update.
2098 * dwarf2out.c (dwarf2out_switch_text_section): Update.
2099 (output_line_info): Update.
2100 (secname_for_decl): Update.
2101 (dwarf2out_var_location): Update.
2102 * function.c (free_after_compilation): Update.
2103 (assign_parm_find_stack_rtl): Update.
2104 (assign_parms): Update.
2105 (expand_dummy_function_end): Update.
2106 (expand_function_end): Update.
2107 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
2108 (expand_call): Update.
2109 (emit_library_call_value_1): Update.
2110 (store_one_arg): Update.
2111 * varasm.c (initialize_cold_section_name): Update.
2112 (unlikely_text_section): Update.
2113 (unlikely_text_section_p): Update.
2114 (assemble_start_function): Update.
2115 (assemble_end_function): Update.
2116 (default_section_type_flags): Update.
2117 (switch_to_section): Update.
2118 * integrate.c (set_decl_abstract_flags): Update.
2119 (get_hard_reg_initial_val): Update.
2120 (has_hard_reg_initial_val): Update.
2121 (allocate_initial_values): Update.
2122 * resource.c (init_resource_info): Update.
2123 * config/alpha/alpha.c (NUM_ARGS): Update.
2124 (direct_return): Update.
2125 (alpha_va_start): Update.
2126 (alpha_sa_size): Update.
2127 (alpha_initial_elimination_offset): Update.
2128 (alpha_expand_prologue): Update.
2129 (alpha_start_function): Update.
2130 (alpha_expand_epilogue): Update.
2131 (unicosmk_initial_elimination_offset):
2132 * config/alpha/alpha.md (call expander): Update.
2133 * config/s390/s390.c (s390_register_info): Update.
2134 (s390_register_info): Update.
2135 (s390_frame_info): Update.
2136 (s390_initial_elimination_offset): Update.
2137 (s390_build_builtin_va_list): Update.
2138 (s390_va_start): Update.
2139 * config/spu/spu.c (direct_return): Update.
2140 (spu_expand_prologue): Update.
2141 (spu_initial_elimination_offset): Update.
2142 (spu_build_builtin_va_list): Update.
2143 (spu_va_start): Update.
2144 * config/sparc/sparc.c (sparc_init_modes): Update.
2145 (sparc_compute_frame_size): Update.
2146 (function_value): Update.
2147 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
2148 * config/i386/i386.md (return expander): Update.
2149 * config/i386/i386.c (ix86_va_start): Update.
2150 (ix86_can_use_return_insn_p): Update.
2151 (ix86_compute_frame_layout): Update.
2152 (ix86_expand_epilogue): Update.
2153 * config/sh/sh.c (output_stack_adjust): Update.
2154 (calc_live_regs): Update.
2155 (sh_expand_prologue): Update.
2156 (sh_builtin_saveregs): Update.
2157 (sh_va_start): Update.
2158 (initial_elimination_offset): Update.
2159 (sh_allocate_initial_value): Update.
2160 (sh_function_ok_for_sibcall): Update.
2161 (sh_get_pr_initial_val): Update.
2162 * config/sh/sh.md (return expander): Update.
2163 * config/avr/avr.c (frame_pointer_required_p): UPdate.
2164 * config/crx/crx.c (crx_compute_frame): UPdate.
2165 (crx_initial_elimination_offset): UPdate.
2166 * config/xtensa/xtensa.c (compute_frame_size): Update
2167 (xtensa_builtin_saveregs): Update.
2168 (xtensa_va_start): Update.
2169 (order_regs_for_local_alloc): Update.
2170 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
2171 (xstormy16_expand_builtin_va_start): Update.
2172 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
2173 * config/m68hc11/m68hc11.md (return expanders): Update.
2174 * config/m68hc11/m68hc11.c (expand_prologue): Update.
2175 (expand_epilogue): Update.
2176 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
2177 (cris_simple_epilogue): Update.
2178 (cris_expand_prologue): Update.
2179 (cris_expand_epilogue): Update.
2180 * config/iq2000/iq2000.c (iq2000_va_start): Update.
2181 (compute_frame_size): Update.
2182 * config/mt/mt.c (mt_compute_frame_size): Update.
2183 * config/mn10300/mn10300.c (expand_prologue): Update.
2184 (expand_epilogue): Update.
2185 (initial_offset): Update.
2186 (mn10300_builtin_saveregs):
2187 * config/mn10300/mn10300.md (return expander): Update.
2188 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2189 (ia64_initial_elimination_offset): Update.
2190 (ia64_initial_elimination_offset): Update.
2191 (ia64_expand_prologue): Update.
2192 * config/m68k/m68k.md (return expander): Update.
2193 * config/rs6000/rs6000.c (rs6000_va_start): Update.
2194 (rs6000_stack_info): Update.
2195 * config/mcore/mcore.c (layout_mcore_frame): Update.
2196 (mcore_expand_prolog): Update.
2197 * config/arc/arc.c (arc_compute_frame_size): Update.
2198 * config/score/score3.c (score3_compute_frame_size): Update.
2199 * config/score/score7.c (score7_compute_frame_size): Update.
2200 * config/arm/arm.c (use_return_insn): Update.
2201 (thumb_find_work_register): Update.
2202 (arm_compute_save_reg_mask): Update.
2203 (arm_output_function_prologue): Update.
2204 (arm_output_epilogue): Update.
2205 (arm_size_return_regs): Update.
2206 (arm_get_frame_offsets): Update.
2207 (arm_expand_prologue): Update.
2208 (thumb_exit): Update.
2209 (thumb_unexpanded_epilogue): Update.
2210 (thumb1_output_function_prologue): Update.
2211 * config/pa/pa.md (return expander): Update.
2212 * config/pa/pa.c (compute_frame_size): Update.
2213 (hppa_builtin_saveregs): Update.
2214 * config/mips/mips.c (mips_va_start): Update.
2215 (mips16_build_function_stub): Update.
2216 (mips_compute_frame_info): Update.
2217 (mips_restore_gp): Update.
2218 (mips_output_function_prologue): Update.
2219 (mips_expand_prologue): Update.
2220 * config/v850/v850.c (compute_frame_size): Update.
2221 (expand_prologue): * config/mmix/mmix.c (along): update.
2222 (mmix_initial_elimination_offset): update.
2223 (mmix_reorg): update.
2224 (mmix_use_simple_return): update.
2225 (mmix_expand_prologue): update.
2226 (mmix_expand_epilogue): Update.
2227 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
2228 (emit_link_insn): Update.
2230 2008-04-08 Anatoly Sokolov <aesok@post.ru>
2232 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
2233 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
2235 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
2238 2008-04-07 Jan Hubicka <jh@suse.cz>
2240 * function.h (rtl): Rename to x_rtl.
2242 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2243 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2244 used_temp_slots avail_temp_slots, temp_slot_level,
2245 nonlocal_goto_handler_labels): Update accesstors.
2246 (rtl): New global variable.
2247 (struct function): Move some fileds to rtl_data.
2248 (get_arg_pointer_save_area): Update prototype.
2249 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2250 get_arg_pointer_save_area.
2251 * expr.c (init_expr): Update
2252 * function.c (get_frame_size): Update
2253 (assign_stack_local): Update
2254 (expand_function_end): Update.
2255 (get_art_pointer_save_area): Update
2257 * emit-rtl.c (rtl): Declare.
2258 (regno_reg_rtx): Declare.
2259 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2261 (gen_reg_rtx): Update.
2262 * varasm.c (n_deferred_constatns): Update accestor.
2263 (init_varasm_status): Do not allocate varasm_status.
2264 (force_const_mem, get_pool_size, output_constant_pool): Update.
2265 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2266 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2267 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
2268 * sparc/sparc.h (INIT_EXPANDERS): Update.
2269 * ia64/ia64.h (INIT_EXPANDERS): Update.
2271 2008-04-07 James E. Wilson <wilson@tuliptree.org>
2273 * reload.c (push_secondary_reload): Add missing break to for loop.
2275 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
2277 PR middle-end/PR28690
2278 * rtlanal.c: Update copyright years.
2279 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
2280 as REG_POINTER and MEM_POINTER operands.
2281 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
2282 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
2283 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
2284 * gcse.c: Update copyright years.
2285 (pre_delete): Call gen_reg_rtx_and_attrs.
2286 (hoist_code): Likewise.
2287 (build_store_vectors): Likewise.
2288 (delete_store): Likewise.
2289 * loop-invariant.c (move_invariant_reg): Likewise.
2290 Update copyright years.
2292 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
2294 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
2295 control string instead of quoted.
2297 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
2299 * doc/rtl.texi: Rewrite of subreg section.
2301 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
2304 * config/i386/i386.c (legitimize_pic_address): Add treating
2305 of dllimport SYM_REF's.
2306 (legitimize_dllimport_symbol): Add prototype.
2308 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
2310 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
2311 reference in constructor with non self-referential type.
2313 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
2315 Removal of Return with Depressed Stack Pointer support
2316 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
2317 (ECF_SP_DEPRESSED): Likewise.
2318 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
2319 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
2320 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2321 (expand_call): Do not test ECF_SP_DEPRESSED.
2322 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2323 * function.c (keep_stack_depressed): Delete.
2324 (handle_epilogue_set): Likewise.
2325 (update_epilogue_consts): Likewise.
2326 (emit_equiv_load): Likewise.
2327 (thread_prologue_and_epilogue_insns): Remove support for Return with
2328 Depressed Stack Pointer.
2329 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2331 2008-04-06 Richard Guenther <rguenther@suse.de>
2333 PR tree-optimization/35400
2334 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
2335 information from SSA_NAMEs.
2337 2008-04-06 Anatoly Sokolov <aesok@post.ru>
2339 * config/avr/avr.h (avr_mega_p): Remove declaration.
2340 (AVR_MEGA): Remove macro.
2341 * config/avr/avr.c (avr_mega_p): Remove variable.
2342 (avr_override_options): Remove inicializion of avr_mega_p.
2343 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2344 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2345 (avr_jump_mode): (Ditto.).
2346 (avr_output_progmem_section_asm_op): (Ditto.).
2347 (avr_asm_init_sections): (Ditto.).
2348 (avr_asm_init_sections): (Ditto.).
2349 (avr_rtx_costs): (Ditto.).
2350 * config/avr/avr.md: (Ditto.).
2351 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
2354 2008-04-06 Richard Guenther <rguenther@suse.de>
2356 PR tree-optimization/35842
2357 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
2358 is_gimple_invariant_address.
2360 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2362 * gcc.c (default_compilers): Sync Fortran extensions list with
2363 that in fortran/lang-specs.h.
2364 * doc/invoke.texi: Likewise.
2365 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
2366 * dwarf2out.c (gen_compile_unit_die): Likewise.
2368 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
2370 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
2372 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
2375 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
2376 attribute is used for nested functions.
2378 2008-04-05 Jan Hubicka <jh@suse.cz>
2380 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
2382 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
2384 (dump_files): Update.
2385 (enable_rtl_dump_file): Do not accept letter argument.
2386 * tree-pass.h (dump_file_info): Remove letter argument.
2387 * toplev.c (decode_d_option): Update -da handling.
2388 * toplev.h (enable_rtl_dump_file): Update prototype.
2389 * passes.c (register_one_dump_file): Do not accept IPA argument; work
2390 it out based on pass type.
2391 (register_dump_files_1): Likewise.
2392 (init_optimization_passes): Update register_one_dump_file calls.
2393 (execute_one_pass): Sanity check that IPA passes are called at IPA
2394 level and RTL passes at RTL level.
2395 (execute_pass_list): IPA pass can not be after or subpass of
2397 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
2398 disallov RTL subpasses of IPA subpasses.
2400 2008-04-05 Ben Elliston <bje@au.ibm.com>
2402 * tree-cfg.c (need_fake_edge_p): Return false for calls to
2403 builtins that return exactly once and do not throw. Cache call to
2406 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
2408 PR rtl-optimization/34916
2410 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
2411 between instruction pairs.
2413 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
2415 * doc/invoke.texi: Document -mbitops for SH.
2416 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
2417 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
2418 * config/sh/sh.c (print_operand): Add %t operand code.
2419 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
2420 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
2421 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
2422 (extendqihi2): Likewise.
2423 (movqi_i): Likewise.
2424 (insv): Use bset, bclr and bst instructions for SH2A if possible.
2425 (extv): Use bld instruction for SH2A if possible.
2427 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2428 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2429 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2430 (bset.b, bclr.b): Define peepholes.
2431 * config/sh/sh.opt (mbitops): New option.
2433 2008-04-04 Janis Johnson <janis187@us.ibm.com>
2436 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2437 and view convert expression.
2439 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2442 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2444 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
2446 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2448 * config/i386/cpuid.h (bit_AES): New.
2449 (bit_PCLMUL): Likewise.
2451 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2452 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
2453 SSE2 if AES or PCLMUL is enabled.
2454 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2455 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2456 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2457 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2458 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2459 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2460 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2461 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2462 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2463 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2464 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2465 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2466 __builtin_ia32_aeskeygenassist128 and
2467 __builtin_ia32_pclmulqdq128.
2468 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2469 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2470 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
2472 * config/i386/i386.h (TARGET_AES): New.
2473 (TARGET_PCLMUL): Likewise.
2474 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2476 * config/i386/i386.md (UNSPEC_AESENC): New.
2477 (UNSPEC_AESENCLAST): Likewise.
2478 (UNSPEC_AESDEC): Likewise.
2479 (UNSPEC_AESDECLAST): Likewise.
2480 (UNSPEC_AESIMC): Likewise.
2481 (UNSPEC_AESKEYGENASSIST): Likewise.
2482 (UNSPEC_PCLMUL): Likewise.
2484 * config/i386/i386.opt (maes): New.
2485 (mpclmul): Likewise.
2487 * config/i386/sse.md (aesenc): New pattern.
2488 (aesenclast): Likewise.
2490 (aesdeclast): Likewise.
2492 (aeskeygenassist): Likewise.
2493 (pclmulqdq): Likewise.
2495 * config/i386/wmmintrin.h: New.
2497 * doc/extend.texi: Document AES and PCLMUL built-in function.
2499 * doc/invoke.texi: Document -maes and -mpclmul.
2501 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
2503 * function.c (free_after_parsing): Replace with
2504 cxx_push_function_context from C++ front-end.
2505 (allocate_struct_function): Don't call langhook.
2506 * langhooks.h (struct lang_hooks_for_functions): Delete.
2507 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2509 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2510 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2511 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2512 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2513 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2514 remove LANG_HOOKS_FUNCTION_INITIALIZER.
2515 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2517 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2518 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2520 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2523 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2526 2008-04-04 Richard Guenther <rguenther@suse.de>
2529 * fold-const.c (optimize_minmax_comparison): Use the correct
2530 type for the constant in the simplified comparison.
2532 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
2534 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2535 Pass L2 size as "--param l2-cache-size" to the compiler.
2536 (decode_l2_cache): New function to decode L2 cache parameters using
2537 0x8000006 extended cpuid function.
2538 (detect_caches_amd): Determine parameters of L2 cache using
2539 decode_l2_caches function.
2540 (decode_caches_intel): Decode L2 cache parameters.
2541 (detect_caches_intel): Determine L2 cache parameters using
2542 decode_caches_intel and decode_l2_caches functions.
2544 2008-04-03 Bob Wilson <bob.wilson@acm.org>
2546 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2547 secondary input reload for subword loads from the constant pool.
2549 2008-04-03 Janis Johnson <janis187@us.ibm.com>
2552 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2553 constants of the appropriate size for runtime calculations.
2556 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2557 decimal-float literal constant zero.
2559 2008-04-03 Jakub Jelinek <jakub@redhat.com>
2562 * c-parser.c (c_parser_omp_atomic): Call
2563 default_function_array_conversion on the RHS.
2566 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2567 call is_variable_sized if decl has incomplete type.
2569 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
2571 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2573 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
2575 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2577 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2578 (sgt<u>): Merge sgt and sgtu into new expander.
2579 (sgt, sgtu): Remove expanders.
2580 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2581 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2582 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2583 *sgtu_<mode>_mips16 into new pattern.
2584 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2585 (sge<u>): Merge sge and sgeu into new expander.
2586 (sge, sgeu): Remove expanders.
2587 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2589 (*sge_<mode>, second *sge_<mode>): Remove patterns.
2590 (slt<u>): Merge slt and sltu into new expander.
2591 (slt, sltu): Remove expanders.
2592 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2593 (*slt_<mode>, *sltu_<mode>): Remove patterns.
2594 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2595 *sltu_<mode>_mips16 into new pattern.
2596 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2597 (sle<u>): Merge sle and sleu into new expander.
2598 (sle, sleu): Remove expanders.
2599 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2600 (*sle_<mode>, *sleu_<mode>): Remove patterns.
2601 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2602 *sleu_<mode>_mips16 into new pattern.
2603 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2605 2008-04-03 Jan Hubicka <jh@suse.cz>
2607 PR tree-optimization/35795
2608 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2609 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2610 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2611 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2612 * score/score3.c (score3_output_mi_thunk): Likewise.
2613 * score/score7.c (score7_output_mi_thunk): Likewise.
2614 * mips/mips.c (mips_output_mi_thunk): Likewise.
2616 2008-04-03 Richard Guenther <rguenther@suse.de>
2618 * tree-vrp.c (extract_range_from_unary_expr): Handle all
2619 conversions. Simplify code.
2621 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
2623 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2625 2008-04-03 Tom Tromey <tromey@redhat.com>
2626 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2628 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2629 * config/bfin/t-bfin-linux (generated_files): Add
2630 linux-sysroot-suffix.h.
2631 * doc/install.texi (Prerequisites): Require make 3.80.
2632 * doc/sourcebuild.texi (Front End Directory): Document new
2634 * Makefile.in (generated_files): New variable.
2635 (ALL_HOST_OBJS): New variable.
2636 ($(ALL_HOST_OBJS)): New target.
2638 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2640 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2641 (remap_block): Call id->transform_lang_insert_block instead
2643 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2644 Set id.transform_lang_insert_block to NULL.
2645 (clone_body): Move to cp/optimize.c
2646 * tree-inline.h (struct copy_body_data): Change
2647 transform_lang_insert_block to function pointer.
2648 (copy_generic_body, copy_decl_no_change): Export.
2649 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2650 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2651 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2653 * c-tree.h (insert_block): Kill.
2654 * c-decl.c (insert_block): Kill.
2656 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2658 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2659 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2660 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2662 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2663 argument, call {push,pop}_function_context from here.
2664 * c-parser.c: Use c_{push,pop}_function_context.
2666 * function.c (push_function_context_to): Move meat ...
2667 (push_function_context): ... here. Simplify.
2668 * function.c (pop_function_context_from): Move meat ...
2669 (pop_function_context): ... here. Simplify.
2670 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2672 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2673 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2674 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2675 * tree.h (push_function_context_to, pop_function_context_from): Remove.
2677 2008-04-03 Ben Elliston <bje@au.ibm.com>
2679 * expmed.c (extract_force_align_mem_bit_field): Remove.
2681 2008-04-03 Richard Guenther <rguenther@suse.de>
2684 * expr.h (try_casesi): Adjust prototype.
2685 * expr.c (try_casesi): Take fallback label as extra parameter.
2686 Use that for gen_casesi if default_label is NULL.
2687 * stmt.c (expand_case): Pass fallback label to try_casesi,
2688 make sure to fill gaps with a fallback label if default_label
2691 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
2694 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2696 2008-04-03 Ben Elliston <bje@au.ibm.com>
2698 * expmed.c (extract_split_bit_field): Remove if (0) code.
2699 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2700 (do_ds_constraint): Likewise.
2702 2008-04-02 Joseph Myers <joseph@codesourcery.com>
2704 * doc/cppopts.texi (-dU): Document.
2705 * c-common.h (flag_dump_macros): Update comment.
2706 * c-opts.c (handle_OPT_d): Handle -dU.
2707 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2708 dump_queued_macros, cb_used_define, cb_used_undef): New.
2709 (init_pp_output): Handle -dU.
2710 (cb_line_change): Call dump_queued_macros.
2711 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2713 2008-04-02 Anatoly Sokolov <aesok@post.ru>
2715 * config/avr/predicates.md (io_address_operand): New predicate.
2716 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2717 * config/avr/avr.c (avr_io_address_p): Remove function.
2718 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
2719 'avr_io_address_p' function.
2720 (out_movhi_r_mr): (Ditto.).
2721 (out_movqi_mr_r): (Ditto.).
2722 (out_movhi_mr_r): (Ditto.).
2723 (avr_address_cost): (Ditto.).
2725 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
2727 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2728 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2729 in 32bit mode when XMM registers are available to avoid store
2731 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2732 corresponding post-reload splitters.
2734 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2736 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2737 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
2738 __builtin_ia32_roundss.
2739 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2740 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2741 __builtin_ia32_roundss.
2742 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2743 IX86_BUILTIN_SHUFPD here.
2745 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2747 * config/i386/i386.md (plogic): New.
2748 (plogicprefix): Likewise.
2750 * config/i386/mmx.md (mmx_<code><mode>3): New.
2751 (mmx_and<mode>3): Removed.
2752 (mmx_ior<mode>3): Likewise.
2753 (mmx_xor<mode>3): Likewise.
2755 * config/i386/sse.md (<code><mode>3): New.
2756 (*<code><mode>3): Likewise.
2757 (*<code><mode>3): Likewise.
2758 (<code><mode>3): Likewise.
2759 (*sse_<code><mode>3): Likewise.
2760 (*sse2_<code><mode>3): Likewise.
2761 (<code>tf3): Likewise.
2762 (*<code>tf3): Likewise.
2763 (and<mode>3): Likewise.
2764 (*and<mode>3): Likewise.
2765 (ior<mode>3): Removed.
2766 (*ior<mode>3): Likewise.
2767 (xor<mode>3): Likewise.
2768 (*xor<mode>3): Likewise.
2769 (*and<mode>3): Likewise.
2770 (*ior<mode>3): Likewise.
2771 (*xor<mode>3): Likewise.
2772 (and<mode>3): Likewise.
2773 (*sse_and<mode>3): Likewise.
2774 (*sse2_and<mode>3): Likewise.
2776 (*andtf3): Likewise.
2777 (ior<mode>3): Likewise.
2778 (*sse_ior<mode>3): Likewise.
2779 (*sse2_ior<mode>3): Likewise.
2781 (*iortf3): Likewise.
2782 (xor<mode>3): Likewise.
2783 (*sse_xor<mode>3): Likewise.
2784 (*sse2_xor<mode>3): Likewise.
2786 (*xortf3): Likewise.
2788 2008-04-02 Richard Guenther <rguenther@suse.de>
2790 PR tree-optimization/14495
2791 PR tree-optimization/34793
2792 * tree-vrp.c (struct switch_update): New structure.
2793 (to_remove_edges, to_update_switch_stmts): New VECs.
2794 (simplify_switch_using_ranges): New function. Remove not taken
2795 case labels and edges.
2796 (simplify_stmt_using_ranges): Call it.
2797 (identify_jump_threads): Mark edges we have queued for removal
2798 so we don't thread them.
2799 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2801 * tree-cfg.c (group_case_labels): Deal with missing default label.
2802 (tree_verify_flow_info): Allow missing default label.
2803 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2804 (emit_case_nodes): Likewise.
2805 (expand_case): Do not rely on the default label to be present.
2806 * expr.c (try_casesi): Deal with NULL default_label.
2807 (do_tablejump): Likewise.
2809 2008-04-02 Richard Guenther <rguenther@suse.de>
2811 PR tree-optimization/14495
2812 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2813 SWITCH_EXPR here ...
2814 (vrp_visit_switch_stmt): ... but here (new function).
2815 (find_case_label_index): New helper function.
2816 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2818 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2820 * fwprop.c: Fix ISO-C99ism.
2822 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2825 * Makefile.in (objdir): Set it here.
2826 * configure.ac: Not here. Find dynamic linker characteristics.
2827 * exec-tool.in: Use them.
2828 * aclocal.m4: Regenerate.
2829 * configure: Regenerate.
2831 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2833 * expr.c (expand_var): Delete it.
2834 * expr.h (expand_var): Delete prototype.
2835 * function.c (expand_function_start): Use expand_decl instead.
2836 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2839 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2841 PR rtl-optimization/35542
2842 * fwprop.c (forward_propagate_and_simplify): Replace
2843 loc_reg_mentioned_in_p with reg_mentioned_p.
2845 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2847 PR rtl-optimization/35281
2848 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2849 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2850 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2851 (varying_mem_p): Move above propagate_rtx.
2852 (all_uses_available_at): Do not check MEMs.
2854 2008-04-02 Rafael Espindola <espindola@google.com>
2856 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2857 (register_edge_assert_for_2): Split the cond argument.
2858 (register_edge_assert_for_1): Adjust for the change in
2859 register_edge_assert_for_2.
2860 (register_edge_assert_for): Split the cond argument.
2861 (find_switch_asserts): Adjust for the change in
2862 register_edge_assert_for.
2864 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2866 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2867 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2868 offsets for 64-bit mingw.
2869 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2870 abi for x86_64-pc-mingw.
2872 2008-04-02 Richard Guenther <rguenther@suse.de>
2874 * tree-vrp.c (extract_range_from_assert): Make sure to not
2875 produce range min/max with TREE_OVERFOW set.
2876 If merging a anti-range and a range keep the anti-range if
2877 the range covers all values of the type.
2878 (register_edge_assert_for_2): Only allow sign-changing
2879 conversions in detecting canonical range checks. Also
2880 register an assert for the unsigned name if useful.
2882 PR tree-optimization/35787
2883 * tree-vrp.c (vrp_val_max): New function.
2884 (vrp_val_min): Likewise.
2885 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2886 (vrp_val_is_min): Likewise.
2887 (supports_overflow_infinity): Use vrp_val_{min,max}.
2888 (negative_overflow_infinity): Likewise.
2889 (positive_overflow_infinity): Likewise.
2890 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2891 (is_positive_overflow_infinity): Likewise.
2892 (is_overflow_infinity): Likewise.
2893 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2894 vrp_val_is_{min,max}.
2895 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2896 to ranges if possible. Avoid empty ranges.
2898 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2901 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2902 the expression is a function address.
2904 2008-04-01 George Helffrich <george@gcc.gnu.org>
2906 PR fortran/35154, fortran/23057
2907 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2908 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2909 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2910 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2912 (dbxout_syms): Check for COMMON-based symbol and wrap in
2913 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2914 in bracket for efficiency.
2916 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2917 using DW_TAG_common_block + member offset.
2918 (add_pubname_string): New function.
2919 (dw_expand_expr): New function to find block name and offset for
2921 (common_check): New function to check whether symbol in Fortran COMMON.
2922 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2924 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2927 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2929 2008-04-02 Ben Elliston <bje@au.ibm.com>
2931 * config/v850/v850.md (casesi): Remove if (0) code.
2932 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2933 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2935 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2937 * config/i386/i386.md (rex64suffix): New mode attribute.
2938 (floathi<mode>2): Disable expander for SSE math.
2939 (*floathi<mode>2_1): New insn insn_and_split pattern.
2940 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2941 corresponding post-reload splitters.
2942 (*floathi<mode>2_i387): New macroized insn pattern.
2943 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2944 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2945 insn_and_split pattern.
2946 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2947 New macroized instruction patterns and corresponding post-reload
2949 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2950 and corresponding post-reload splitters.
2951 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2952 New macroized instruction patterns.
2953 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2954 macroized instruction patterns and corresponding post-reload splitters.
2955 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2956 corresponding post-reload splitters.
2957 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2958 New macroized instruction patterns.
2959 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2960 corresponding post-reload splitters.
2961 (*floatsi<mode>2_i387): New macroized instruction patterns.
2963 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2965 * config/i386/i386.md (smaxmin): New.
2966 (umaxmin): Likewise.
2967 (maxminiprefix): Likewise.
2968 (maxminfprefix): Likewise.
2969 (<code><mode>3): Likewise.
2970 (smin<mode>3): Removed.
2971 (smax<mode>3): Likewise.
2973 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2974 (mmx_<code>v4hi3): Likewise.
2975 (mmx_<code>v8qi3): Likewise.
2976 (mmx_smaxv2sf3): Removed.
2977 (mmx_sminv2sf3): Likewise.
2978 (mmx_umaxv8qi3): Likewise.
2979 (mmx_smaxv4hi3): Likewise.
2980 (mmx_uminv8qi3): Likewise.
2981 (mmx_sminv4hi3): Likewise.
2983 * config/i386/sse.md (<addsub><mode>3): New.
2984 (*<addsub><mode>3): Likewise.
2985 (<sse>_vm<addsub><mode>3): Likewise.
2986 (<maxmin><mode>3): Likewise.
2987 (*<maxmin><mode>3_finite): Likewise.
2988 (*<maxmin><mode>3): Likewise.
2989 (<sse>_vm<maxmin><mode>3): Likewise.
2990 (sse3_h<addsub>v4sf3): Likewise.
2991 (sse3_h<addsub>v2df3): Likewise.
2992 (<maxmin>v16qi3): Likewise.
2993 (*<maxmin>v16qi3): Likewise.
2994 (<maxmin>v8hi3): Likewise.
2995 (*<maxmin>v8hi3): Likewise.
2996 (*sse4_1_<maxmin><mode>3): Likewise.
2997 (*sse4_1_<maxmin><mode>3): Likewise.
2998 (add<mode>3): Removed.
2999 (*add<mode>3): Likewise.
3000 (<sse>_vmadd<mode>3): Likewise.
3001 (sub<mode>3): Likewise.
3002 (*sub<mode>3): Likewise.
3003 (<sse>_vmsub<mode>3): Likewise.
3004 (smin<mode>3): Likewise.
3005 (*smin<mode>3_finite): Likewise.
3006 (*smin<mode>3): Likewise.
3007 (<sse>_vmsmin<mode>3): Likewise.
3008 (smax<mode>3): Likewise.
3009 (*smax<mode>3_finite): Likewise.
3010 (*smax<mode>3): Likewise.
3011 (<sse>_vmsmax<mode>3): Likewise.
3012 (sse3_haddv4sf3): Likewise.
3013 (sse3_haddv2df3): Likewise.
3014 (sse3_hsubv4sf3): Likewise.
3015 (sse3_hsubv2df3): Likewise.
3016 (umaxv16qi3): Likewise.
3017 (*umaxv16qi3): Likewise.
3018 (smaxv8hi3): Likewise.
3019 (*smaxv8hi3): Likewise.
3020 (*sse4_1_smax<mode>3): Likewise.
3021 (*sse4_1_umax<mode>3): Likewise.
3022 (uminv16qi3): Likewise.
3023 (*uminv16qi3): Likewise.
3024 (sminv8hi3): Likewise.
3025 (*sminv8hi3): Likewise.
3026 (*sse4_1_smin<mode>3): Likewise.
3027 (*sse4_1_umin<mode>3): Likewise.
3029 2008-04-01 Rafael Espindola <espindola@google.com>
3031 * tree-cfg.c (verify_expr): remove in_phi.
3032 (verify_stmt): Don't call walk_tree with verify_expr. Use
3033 is_gimple_min_invariant instead of is_gimple_val.
3035 2008-04-01 Joseph Myers <joseph@codesourcery.com>
3037 * doc/include/gpl_v3.texi: Update for manpage generation.
3038 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
3040 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
3041 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
3042 gpl_v3.texi instead of gpl.texi.
3045 2008-04-01 Jakub Jelinek <jakub@redhat.com>
3048 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
3050 2008-04-01 Rafael Espindola <espindola@google.com>
3052 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
3053 (extract_code_and_val_from_cond): Use
3054 extract_code_and_val_from_cond_with_ops.
3056 2008-04-01 Jan Hubicka <jh@suse.cz>
3058 * function.c (free_after_compilation): Free epilogue_delay_list.
3059 (prepare_function_start): Assert that previous compilation was freed.
3061 2008-04-01 Jan Hubicka <jh@suse.cz>
3062 Jim Wilson <wilson@tuliptree.org>
3063 Andreas Tobler <andreast@gcc.gnu.org>
3066 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
3067 rtl.emit instead cfun->emit.
3068 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
3069 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
3071 2008-04-01 Ben Elliston <bje@au.ibm.com>
3073 * doc/c-tree.texi (Function Basics): Fix grammatical error.
3075 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
3077 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
3079 (fprofile-use): Add var flag_profile_use
3080 * coverage.c (coverage_begin_output): Do not open a gcno file for
3081 output only if -ftest-coverage is set.
3082 Do not add getpwd() to gcda file path.
3083 (build_gcov_info): Check the new flag
3084 flag_profile_datafile_relative_path.
3085 (coverage_init): Use profile_data_prefix.
3086 Read profile counter only if flag_profile_use is set.
3087 * opts.c (common_handle_option): New option fprofile-use=,
3088 fprofile-dir=, fprofile-generate=.
3089 * toplev.c (profile_data_prefix): New variable definition.
3090 * toplev.h (profile_data_prefix): New declaration.
3091 * doc/invoke.tex (Option Summary, Optimization Options):
3094 2008-03-31 James E. Wilson <wilson@tuliptree.org>
3096 * varasm.c (output_constant_pool_1): In LABEL_REF check,
3097 use tmp consistently.
3100 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
3101 * config/ia64/ia64.c (rtx_needs_barrier): Handle
3102 UNSPEC_FR_RECIP_APPROX_RES.
3103 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
3105 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
3108 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
3110 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3113 * fold-const.c (fold_indirect_ref_1): Support accessing non first
3114 element of the vector via a pointer.
3116 2008-03-31 Ian Lance Taylor <iant@google.com>
3118 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
3120 2008-03-31 Jan Hubicka <jh@suse.cz>
3122 * builtins.c (expand_builtin_setjmp_receiver): Update call of
3123 get_arg_pointer_save_area.
3124 * expr.c (init_expr): Just clear out rtl.expr.
3125 * function.c (free_after_compilation): Clear out whole RTL structure.
3126 (get_func_frame_size): Merge into ...
3127 (get_frame_size): ... this one.
3128 (assign_stack_local_1): Merge into ...
3129 (assign_stack_local): ... this one.
3130 (expand_function_end): Update call of get_arg_pointer_save_area.
3131 (get_art_pointer_save_area): Remove cfun argument.
3132 * function.h (emit_status): regno_pointer_align does not need length
3133 attribute. Move x_regno_reg_rtx to ...
3134 (regno_reg_rtx): ... new global array.
3135 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
3136 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
3137 apply_args_value, forced_labels, stack_pointer_delta):
3139 (struct varasm_status): Move here from varasm.c
3140 (struct rtl_data): New. Move here some fields from struct function.
3141 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3142 frame_offset, stack_check_probe_note, arg_pointer_save_area,
3143 used_temp_slots avail_temp_slots, temp_slot_level,
3144 nonlocal_goto_handler_labels): Update accesstors.
3145 (rtl): New global variable.
3146 (struct function): Move some fileds to rtl_data.
3147 (get_arg_pointer_save_area): Update prototype.
3148 * emit-rtl.c (rtl): Declare.
3149 (regno_reg_rtx): Declare.
3150 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3152 (gen_reg_rtx): Update.
3153 (init_virtual_regs): Do not tate emit_status argument.
3154 (init_emit): Do not allocate emit.
3155 * varasm.c (varasm_statuc): Move to function.h.
3156 (n_deferred_constatns): Update accestor.
3157 (init_varasm_status): Do not allocate varasm_status.
3158 (force_const_mem, get_pool_size, output_constant_pool): Update.
3159 * stmt.c (force_label_rtx): Do not use x_ prefixes.
3160 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3162 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
3164 PR rtl-optimization/35729
3165 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
3168 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
3171 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
3172 load/store if memory is unaligned.
3173 (*movti_rex64): Likewise.
3175 * config/i386/predicates.md (misaligned_operand): New.
3177 2008-03-31 Andrew Pinski <pinskia@gmail.com>
3180 * tree-ssa-phiopt.c (conditional_replacement): Return early for
3183 2008-03-31 Jan Beulich <jbeulich@novell.com>
3185 * config/ia64/constraints.md: Add 'j' constraint.
3186 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
3187 (movdi_internal): Likewise.
3189 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
3192 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
3194 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
3197 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
3198 proper error message for the third argument on blendpd and
3201 * config/i386/sse.md (blendbits): New.
3202 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
3204 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
3206 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
3208 2008-03-30 Richard Guenther <rguenther@suse.de>
3211 * fold-const.c (fold_sign_changed_comparison): Do leave
3212 conversions to base-types alone.
3214 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3216 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
3217 the link register if one altivec register is be saved.
3219 2008-03-30 Ben Elliston <bje@au.ibm.com>
3221 * final.c (final_scan_insn): Remove if (0) code.
3223 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
3225 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
3227 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
3229 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
3230 of V4SFmode to ix86_binary_operator_ok.
3232 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
3234 * config/i386/i386.c (override_options): Initialize
3235 ix86_veclib_handler to ix86_veclibabi_svml when
3236 -mveclibabi=svml is used.
3237 (ix86_veclibabi_svml): New function for SVML ABI style
3238 vectorization support.
3239 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
3241 2008-03-28 Rafael Espindola <espindola@google.com>
3243 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
3244 (tree_binary_nonnegative_warnv_p): Make it public.
3245 (tree_single_nonnegative_warnv_p): Make it public.
3246 (tree_invalid_nonnegative_warnv_p): Make it public.
3247 (tree_unary_nonzero_warnv_p): Make it public.
3248 (tree_binary_nonzero_warnv_p): Make it public
3249 (tree_single_nonzero_warnv_p): Make it public.
3250 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
3251 (extract_range_from_binary_expr): Split the expr argument.
3252 (extract_range_from_unary_expr): Split the expr argument.
3253 (extract_range_from_comparison): Split the expr argument.
3254 (extract_range_from_expr): Use the new aux functions.
3255 (vrp_evaluate_conditional_warnv): Use
3256 vrp_evaluate_conditional_warnv_with_ops.
3257 * tree.h (tree_unary_nonzero_warnv_p): Declare.
3258 (tree_binary_nonzero_warnv_p): Declare.
3259 (tree_single_nonzero_warnv_p): Declare.
3260 (tree_expr_nonzero_warnv_p): Declare.
3261 (tree_unary_nonnegative_warnv_p): Declare.
3262 (tree_binary_nonnegative_warnv_p): Declare.
3263 (tree_single_nonnegative_warnv_p): Declare.
3264 (tree_invalid_nonnegative_warnv_p): Declare.
3266 2008-03-28 Richard Guenther <rguenther@suse.de>
3268 PR tree-optimization/30317
3269 PR tree-optimization/30911
3270 PR tree-optimization/34793
3271 * tree-vrp.c (set_and_canonicalize_value_range): New function.
3272 (struct assert_locus_d): New member EXPR.
3273 (register_new_assert_for): Add EXPR parameter to support
3274 ASSERT_EXPR <name, expr OP limit>.
3275 (register_edge_assert_for_1): Adjust callers.
3276 (find_assert_locations): Likewise.
3277 (process_assert_insertions_for): Build condition from expression.
3278 (extract_range_from_assert): Handle ASSERT_EXPRs
3279 of the form ASSERT_EXPR <name, expr OP limit>.
3280 (register_edge_assert_for_2): New helper registering
3281 asserts for comparisons. Recognize range tests of the form
3282 (unsigned)i - CST1 OP CST2.
3283 (register_edge_assert_for_1): Use it.
3284 (register_edge_assert_for): Likewise.
3285 (needs_overflow_infinity): Integer sub-types
3286 do not need overflow infinities.
3287 (vrp_val_is_max): The extreme values of integer sub-types
3288 are those of the base type.
3289 (vrp_val_is_min): Likewise.
3290 * tree.def (ASSERT_EXPR): Document extra allowed conditional
3293 2008-03-28 Nick Clifton <nickc@redhat.com>
3296 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3297 Return GENERAL_REGS for stack adjustment reloads.
3299 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3302 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
3303 const_vector when all the vectors are constant.
3305 2008-03-27 Bob Wilson <bob.wilson@acm.org>
3307 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
3309 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
3310 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
3312 (s<code>_sf): Use new scc_sf attribute for opcode names.
3314 2008-03-27 Tom Tromey <tromey@redhat.com>
3316 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
3317 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
3318 config/spu/t-spu-elf, config/i386/t-interix,
3319 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
3320 config/i386/x-darwin, config/i386/x-mingw32,
3321 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
3322 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
3323 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
3324 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
3325 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
3326 config/rs6000/x-darwin, config/rs6000/t-rs6000,
3327 config/score/t-score-elf, config/arm/t-strongarm-pe,
3328 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
3329 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
3330 Revert automatic dependency patch.
3332 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
3335 * config/i386/i386.c (ix86_function_arg_boundary): Align
3336 decimal floating point to its natural boundary.
3338 2008-03-27 Richard Guenther <rguenther@suse.de>
3341 * fold-const.c (fold_comparison): Restrict distinct decl
3342 comparison folding to VAR_DECLs and PARM_DECLs. Do not
3343 solely rely on operand_equal_p.
3345 2008-03-27 Richard Guenther <rguenther@suse.de>
3348 * c-common.c (handle_weak_attribute): Reject combination of
3351 2008-03-27 Richard Guenther <rguenther@suse.de>
3353 PR tree-optimization/32810
3354 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
3355 conversions from DECL_INITIAL.
3356 (fold_const_aggregate_ref): Likewise from constructor elements.
3358 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
3360 * tree-affine.h (aff_combination_expand): Declare.
3361 (get_inner_reference_aff): Likewise.
3362 * tree-affine.c (aff_combination_expand): Split out from
3363 tree_to_aff_combination_expand.
3364 (get_inner_reference_aff): New function.
3365 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
3366 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
3367 (struct lim_aux_data): sm_done field removed.
3368 (mem_ref_loc_p, mem_ref_locs_p): New types.
3369 (struct mem_ref): Added id, stored, accesses_in_loop,
3370 indep_loop, dep_loop, indep_ref, dep_ref fields.
3371 Removed is_stored, locs and next fields.
3372 (memory_accesses): New variable.
3373 (movement_possibility): Do not allow moving statements
3374 that store to memory.
3375 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
3377 (determine_max_movement): For statements with memory references,
3378 find the outermost loop in that the reference is independent.
3379 (move_computations_stmt): Mark the virtual operands for renaming.
3380 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
3381 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
3382 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
3383 add_vop_ref_mapping, create_vop_ref_mapping_loop,
3384 create_vop_ref_mapping, analyze_memory_references,
3385 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
3386 get_all_locs_in_loop, ref_always_accessed_p,
3387 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
3388 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
3389 store_motion_loop, store_motion): New functions.
3390 (struct vop_to_refs_elt): New type.
3391 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
3392 memref_hash, memref_eq, hoist_memory_references): Rewritten.
3393 (schedule_sm): Replaced by...
3394 (execute_sm): ... this.
3395 (determine_lsm_ref, hoist_memory_references,
3396 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
3397 find_more_ref_vops, free_mem_ref, free_mem_refs,
3398 determine_lsm_loop, determine_lsm): Removed.
3399 (tree_ssa_lim_finalize): Free data structures used by store motion.
3400 (tree_ssa_lim): Call analyze_memory_references. Use
3401 store_motion instead of determine_lsm.
3403 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3405 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
3406 rename tmake_file to m68hc11/t-m68hc11.
3407 (mcore): Set inhibit_libc to true.
3408 * config.host (alpha*-dec-*vms*): Set extra_programs.
3409 (interix3*): Don't use host_xmake_file.
3410 * configure.ac: Let config.gcc override inhibit_libc.
3411 * configure: Regenerate.
3413 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
3414 * config/t-openbsd-thread: Remove commented out lines.
3416 * config/x-interix: Remove.
3418 * config/m68hc11/t-m68hc11-gas: Rename to...
3419 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
3421 * config/mcore/t-mcore: Remove T_CFLAGS.
3422 * config/mcore/t-mcore-pe: Likewise.
3424 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3426 * configure.ac: Replace custom __GNU_SOURCE test with
3427 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
3428 * aclocal.m4: Regenerate.
3429 * configure: Regenerate.
3430 * config.in: Regenerate.
3432 2008-03-27 Richard Guenther <rguenther@suse.de>
3434 * fold-const.c (target.h): Include.
3435 (fold_comparison): Fold comparison of addresses of decls
3436 that bind locally or of constants. Consolidate address folding code.
3437 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
3438 results from fold_binary_to_constant.
3439 (compare_values_warnv): Likewise.
3441 2008-03-27 Andrew Pinski <pinskia@gmail.com>
3444 * fold-const.c (fold_truthop): Check for integeral types when folding
3445 a == 0 && b == 0 and a != 0 || b != 0 .
3447 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
3449 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
3451 2008-03-26 Andreas Schwab <schwab@suse.de>
3453 * doc/invoke.texi: Fix use of @item vs. @itemx.
3455 2008-03-26 Tom Tromey <tromey@redhat.com>
3457 * Makefile.in (build/gensupport.o, build/print-rtl.o,
3458 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
3459 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
3460 build/gencodes.o, build/genconditions.o, build/genconfig.o,
3461 build/genconstants.o, build/genemit.o, build/genextract.o,
3462 build/genflags.o, build/genmddeps.o, build/genopinit.o,
3463 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
3466 2008-03-26 Richard Guenther <rguenther@suse.de>
3469 2008-03-26 Richard Guenther <rguenther@suse.de>
3471 * fold-const.c (target.h): Include.
3472 (fold_comparison): Fold comparison of addresses of two decls
3473 that bind locally. Consolidate address folding code.
3475 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3477 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3478 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3479 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3480 dconstsqrt2, dconstthird, dconste and/or dconst10.
3481 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3482 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3483 dconstsqrt2, dconste): Delete.
3484 (init_emit_once): Likewise. Simplify initializing dconstm1.
3486 * real.c (get_real_const): New.
3487 * real.h (dconst3, dconst10, dconstm2, dconstthird,
3488 dconstsqrt2, dconste): Delete.
3489 (real_value_const, get_real_const): New.
3491 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
3493 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3495 * config/i386/i386.c (ix86_function_arg_boundary): Check
3496 BIGGEST_ALIGNMENT instead of 128.
3497 (setup_incoming_varargs_64): Likewise.
3499 2008-03-26 Tom Tromey <tromey@redhat.com>
3501 * Makefile.in (DEPFILES): Add missing '/'.
3503 2008-03-26 Richard Guenther <rguenther@suse.de>
3505 * fold-const.c (target.h): Include.
3506 (fold_comparison): Fold comparison of addresses of two decls
3507 that bind locally. Consolidate address folding code.
3509 2008-03-26 Nick Clifton <nickc@redhat.com>
3512 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3513 not allow INT+INT as a legitimate addressing mode.
3515 2008-03-26 Richard Guenther <rguenther@suse.de>
3517 * tree-flow.h (widen_bitfield): Remove declaration.
3518 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3519 (widen_bitfield): Remove function.
3520 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3523 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3526 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3529 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
3531 PR rtl-optimization/35232
3532 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3533 (forget_old_reloads_1, forget_marked_reloads): Don't clear
3534 reg_reloaded_call_part_clobbered here.
3535 (reload_regs_reach_end_p): New function.
3536 (reload_reg_rtx_for_input): New variable.
3537 (reload_reg_rtx_for_output): Likewise.
3538 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3539 when reassigning a pseudo register. Load reloadreg from
3540 reload_reg_rtx_for_input, moving the mode and register
3542 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
3543 instead of the original when deciding whether an input reload
3544 would be a no-op or whether an output reload can be deleted.
3545 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3546 when setting up new_spill_reg_store. Load it from
3547 reload_reg_rtx_for_output, moving the mode and register
3549 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
3550 instead of the original when deciding whether an output reload
3551 would be a no-op. Do the same when modifying insn notes.
3552 Use rtx_equal_p instead of == to compare the registers.
3553 (inherit_piecemeal_p): Take a mode and two register numbers
3555 (emit_reload_insns): Clear new_spill_reg_store for every hard
3556 register in the reload register. Remove spill registers
3557 from reg_reloaded_valid before considering whether to record
3558 inheritance information for them. Use reload_reg_rtx_for_output
3559 instead of reg_rtx when recording output reloads. Use
3560 reload_reg_rtx_for_input instead of reg_rtx when recording
3561 input reloads. Set or clear reg_reloaded_call_part_clobbered
3562 at the same time as setting reg_reloaded_valid.
3563 (delete_output_reload): Add a new_reload_reg parameter and use it
3564 instead of rld[j].reg_rtx.
3565 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3568 2008-03-25 Tom Tromey <tromey@redhat.com>
3570 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3571 (build/genattr.o): Likewise.
3572 (build/genattrtab.o): Likewise.
3573 (build/gencodes.o): Likewise.
3574 (build/genconfig.o): Likewise.
3575 (build/genconstants.o): Likewise.
3576 (build/genemit.o): Likewise.
3577 (build/genextract.o): Likewise.
3578 (build/genflags.o): Likewise.
3580 2008-03-25 Bob Wilson <bob.wilson@acm.org>
3582 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3583 instead of size_int for integer types.
3584 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
3585 to match type of MINUS_EXPR.
3587 2008-03-25 Tom Tromey <tromey@redhat.com>
3589 * configure: Rebuilt.
3590 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3593 2008-03-25 Tom Tromey <tromey@redhat.com>
3595 * config/x-solaris (host-solaris.o): Update.
3596 * config/x-linux (host-linux.o): Update.
3597 * config/x-hpux (host-hpux.o): Update.
3598 * config/x-darwin (host-darwin.o): Update.
3599 * config/v850/t-v850e (v850-c.o): Update.
3600 * config/v850/t-v850 (v850-c.o): Update.
3601 * config/t-vxworks (vxworks.o): Update.
3602 * config/t-sol2 (sol2-c.o, sol2.o): Update.
3603 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3604 * config/spu/t-spu-elf (spu-c.o): Update.
3606 * config/sh/t-symbian (sh-c.o): Update.
3607 (symbian.o): Update.
3608 * config/sh/t-sh (sh-c.o): Update.
3609 * config/score/t-score-elf (score7.o, score3.o): Update.
3610 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3611 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3612 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3613 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3615 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3616 * config/m32c/t-m32c (m32c-pragma.o): Update.
3617 * config/ia64/t-ia64 (ia64-c.o): Update.
3618 * config/i386/x-mingw32 (host-mingw32.o): Update.
3619 * config/i386/x-i386 (driver-i386.o): Update.
3620 * config/i386/x-darwin (host-i386-darwin.o): Update.
3621 * config/i386/x-cygwin (host-cygwin.o): Update.
3622 * config/i386/t-nwld (nwld.o): Update.
3623 * config/i386/t-netware (netware.o): Update.
3624 * config/i386/t-interix (winnt.o): Update.
3625 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3626 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3627 msformat-c.o): Update.
3628 * config/bfin/t-bfin-linux (generated_files): Add
3629 linux-sysroot-suffix.h.
3630 * config/arm/t-wince-pe (pe.o): Update.
3631 * config/arm/t-strongarm-pe (pe.o): Update.
3632 * config/arm/t-pe (pe.o): Update.
3633 * config/arm/t-arm (arm-c.o): Update.
3634 * doc/install.texi (Prerequisites): Require make 3.80.
3635 * Makefile.in: Remove .o targets.
3636 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3637 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3638 (simple_generated_h, simple_generated_c): Move earlier.
3639 (generated_files): New variable.
3640 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3641 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3642 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3643 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3644 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3645 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3646 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3647 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3648 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3649 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3650 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3651 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3653 (COMPILE.base, COMPILE): New variables.
3654 (%.o): New pattern rule.
3655 (ALL_HOST_OBJS): New variable.
3656 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3657 (dummy-checksum.o, cc1-checksum.o): Remove.
3658 (DRIVER_SHLIB): New variable.
3659 (DRIVER_DEFINES): Use it.
3660 (gencondmd.c): Move out of build/.
3661 (s-conditions): Update.
3662 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3663 (ALL_BUILD_OBJS): Likewise.
3664 (build/%.o): Use BUILDCOMPILE.
3665 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3666 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3667 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3668 build/gencheck.o, build/gencodes.o, build/genconditions.o,
3669 build/genconfig.o, build/genconstants.o, build/genemit.o,
3670 build/genextract.o, build/genflags.o, build/genmddeps.o,
3671 build/genopinit.o, build/genoutput.o, build/genpeep.o,
3672 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3673 build/gen-protos.o, build/scan.o, build/fix-header.o,
3674 build/scan-decls.o): Simplify.
3675 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3676 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3677 prefix.o, toplev.o): Reduce to variable setting.
3678 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
3679 ($(out_object_file), gcc-options.o): New targets.
3680 ($(ALL_HOST_OBJS)): New target. Include dependency files.
3681 * configure: Rebuilt.
3682 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3683 * doc/sourcebuild.texi (Front End Directory): Document new variable.
3685 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
3687 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3688 complain when we hit an error, return ERROR_MARK_NODE.
3690 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3692 * config/sh/constraints.md (Pso, Psz): New constraints.
3693 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3694 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3696 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3698 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3699 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3701 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3703 * config/sh/sh.md (prefetch): Add condition for SH2A target.
3704 (prefetch_sh2a): New.
3706 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3707 Naveen.H.S <naveen.hs@kpitcummins.com>
3709 * config/sh/constraints.md (I28): New constraint.
3710 * config/sh/sh.c (broken_move): Add support for movi20s.
3711 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3713 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
3714 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3715 Naveen.H.S <naveen.hs@kpitcummins.com>
3717 * config/sh/sh.c (SH_ATTRIBUTES): Define.
3718 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3719 (print_operand): Handle resbank in %@ operand code.
3720 (sh_encode_section_info): New.
3721 (push_regs): Add conditions for resbank.
3722 (sh_expand_epilogue): Likewise.
3723 (sh_insert_attributes): Likewise.
3724 (sh_attribute_table): Likewise.
3725 (sh_handle_resbank_handler_attribute): New.
3726 (sh2a_handle_function_vector_handler_attribute): New.
3727 (sh2a_is_function_vector_call): New.
3728 (sh2a_get_function_vector_number): New.
3729 (sh2a_function_vector_p): New.
3730 (sh_cfun_resbank_handler_p): New.
3731 * config/sh/sh.md (calli): Emit jsr/n if possible.
3732 (calli_tbr_rel): New.
3733 (calli_pcrel): Emit jsr/n if possible.
3734 (return_i): Emit rts/n if possible.
3735 (call_valuei_tbr_rel): New.
3736 (call_valuei_pcrel): Add condition for SH2A target.
3737 (call_value): Likewise.
3738 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3739 (sh2a_get_function_vector_number): Likewise.
3740 (sh2a_is_function_vector_call): Likewise.
3741 * doc/extend.texi: Document TBR relative addressing of SH2A.
3742 (resbank): Add description for SH2A.
3744 2008-03-24 Richard Guenther <rguenther@suse.de>
3747 * gimplify.c (gimplify_modify_expr): For frontend type-correct
3748 pointer assignments change conversions according to middle-end rules.
3749 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3750 * configure.ac: Include type checking in yes.
3751 * configure: Regenerate.
3753 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3755 * diagnostic.c (diagnostic_count_diagnostic): Delete.
3756 (diagnostic_report_diagnostic): Update. Handle ICEs here.
3758 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
3760 * gthr-vxworks.h (UNUSED): Define.
3762 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
3764 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3766 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3768 * doc/extend.texi (Function Attributes): Add missing comma in the
3769 example of the "alloc_size" attribute.
3771 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
3774 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3776 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3779 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3782 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3783 of the underlying type of a MS bitfield layout to the natural
3784 alignment of the type.
3786 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3788 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3789 to their natural alignment to avoid store forwarding stalls.
3791 2008-03-22 Richard Guenther <rguenther@suse.de>
3793 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3794 For PHI nodes verify the address is invariant.
3795 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3796 (get_symbol_constant_value): Use is_gimple_min_invariant.
3797 (maybe_fold_stmt_indirect): Likewise.
3799 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3801 PR rtl-optimization/33927
3802 * Makefile.in (dse.o): Depend on $(TM_P_H).
3803 * expr.h (extract_low_bits): Declare.
3804 * expmed.c (extract_low_bits): New function.
3805 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3806 * dse.c: Include tm_p.h.
3807 (find_shift_sequence): Remove the read_reg argument and return the
3808 read value. Emit the instructions instead of returning them.
3809 Iterate on new_mode rather than calculating it each time.
3810 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3811 source to NEW_MODE and extract_low_bits to convert the shifted
3813 (replace_read): Allow the load and store to have different mode
3814 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3815 or extraction instructions before trying the replacement. Update
3816 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3818 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3820 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3821 to their natural alignment to avoid store forwarding stalls.
3823 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3826 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3827 encouraging but not allowing gprs for input;
3828 change the input constraint to !f#r.
3829 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3831 change the output constraint to !f#r.
3833 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3836 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3837 corresponding post-reload splitters.
3838 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3839 when x87 FP math is selected.
3840 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3841 New function prototype.
3842 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3843 unreachable function to ease macroization of insn patterns.
3845 2008-03-21 Martin Jambor <mjambor@suse.cz>
3847 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3848 reference dumps if ddr is NULL or dependence is unknown.
3850 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3852 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3853 unsigned extension into account.
3854 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3855 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3856 Do computations on a scratch register.
3858 2008-03-21 Richard Guenther <rguenther@suse.de>
3860 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3861 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3862 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3863 * tree-ssa-dom.c (record_equality): Likewise.
3864 * tree-inline.c (copy_body_r): Likewise.
3865 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3868 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3870 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3871 as 'delete_unused' argument.
3873 2008-03-20 Richard Guenther <rguenther@suse.de>
3875 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3876 special casing of constant qualifiers.
3877 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3878 care about them in general.
3879 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3880 regardless of their type.
3881 (fold_stmt_r): Forcefully fold *& if we end up with that.
3883 2008-03-20 Paul Brook <paul@codesourcery.com>
3885 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3886 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3888 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3890 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3891 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3893 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3895 * common.opt (Wmudflap): New option.
3896 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3897 (mx_register_decls): Likewise.
3898 (mudflap_finish_file): Likewise.
3899 * doc/invoke.texi: Document -Wno-mudflap.
3901 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3903 * c-format.c (replace_format_name_to_system_name): New.
3905 (convert_format_name_to_system_name): New.
3906 (decode_format_attr): Add use of convert_format_name_to_system_name.
3907 (format_types_orig): Add gnu_ prefix to names.
3908 (check_format_info_main): Special treating of \0 escaped names for
3909 supporting multi-character format specifiers as I32, I64.
3910 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3911 (gnu_target_overrides_format_attributes): New.
3912 * c-format.h: Add structure target_ovr_attr to hold
3913 system specific formatter names.
3914 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3915 msformat-c.o file to c_target_objs and cxx_target_objs.
3916 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3917 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3918 (TARGET_N_FORMAT_TYPES): New.
3919 * config/i386/msformat-c.c: New.
3920 * config/i386/t-cygming: Add build rule for msformat-c.o.
3921 * doc/extend.texi: Add new format names gnu_* and ms_* and
3923 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3925 2008-03-20 Ira Rosen <irar@il.ibm.com>
3927 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3928 optimizations turned on under -O3.
3929 (ftree-vectorize): Add that the flag is turned on with -O3.
3931 2008-03-20 Ben Elliston <bje@au.ibm.com>
3933 * regmove.c (try_auto_increment): Fix spelling error in comment.
3934 * final.c (final_scan_insn): Likewise.
3936 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3939 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3940 allocator preferences for "y" and "r" class registers.
3941 ("*mov<mode>_internal"): Ditto.
3942 ("*movv2sf_internal_rex64"): Ditto.
3943 ("*movv2sf_internal"): Ditto.
3945 2008-03-19 Michael Matz <matz@suse.de>
3948 * calls.c (expand_call): Check overlap of arguments with call
3949 address for sibcalls.
3951 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3954 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3955 of the underlying type of a MS bitfield layout to the natural
3956 alignment of the type.
3958 2008-03-19 Jan Hubicka <jh@suse.cz>
3961 * toplev.c (decode_d_option): Handle all CPP flags.
3962 * tree-vrp.c: Update tree_pass descriptors.
3963 * regrename.c: Update tree_pass descriptors.
3964 * fwprop.c: Update tree_pass descriptors.
3965 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3966 * tree-into-ssa.c: Update tree_pass descriptors.
3967 * tree-dump.c: Update tree_pass descriptors.
3968 * tree-complex.c: Update tree_pass descriptors.
3969 * tree-dump.h: Update tree_pass descriptors.
3970 * see.c: Update tree_pass descriptors.
3971 * cgraphbuild.c: Update tree_pass descriptors.
3972 * tracer.c: Update tree_pass descriptors.
3973 * tree-loop-distribution.c: Update tree_pass descriptors.
3974 * cgraph.c: Update tree_pass descriptors.
3975 * postreload-gcse.c: Update tree_pass descriptors.
3976 * postreload.c: Update tree_pass descriptors.
3977 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3978 * tree-tailcall.c: Update tree_pass descriptors.
3979 * tree-pass.h (tree_opt_pass): Rename to ...
3980 (opt_pass) ... this one; add "type" field and remove letter field.
3981 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3982 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3983 all_lowering_passes): Update declaration.
3984 * ipa-cp.c: Update tree_pass descriptors.
3985 * final.c: Update tree_pass descriptors.
3986 * omp-low.c: Update tree_pass descriptors.
3987 * tree-ssa-dse.c: Update tree_pass descriptors.
3988 * ipa-reference.c: Update tree_pass descriptors.
3989 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3990 * auto-inc-dec.c: Update tree_pass descriptors.
3991 * reorg.c: Update tree_pass descriptors.
3992 * cgraphunit.c: Update tree_pass descriptors.
3993 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3994 * tree-ssa-ccp.c: Update tree_pass descriptors.
3995 * df-core.c: Update tree_pass descriptors.
3996 * mode-switching.c: Update tree_pass descriptors.
3997 * tree-nomudflap.c: Update tree_pass descriptors.
3998 * modulo-sched.c: Update tree_pass descriptors.
3999 * ipa-pure-const.c: Update tree_pass descriptors.
4000 * cse.c: Update tree_pass descriptors.
4001 * web.c: Update tree_pass descriptors.
4002 * tree-stdarg.c: Update tree_pass descriptors.
4003 * tree-ssa-math-opts.c: Update tree_pass descriptors.
4004 * tree-ssa-dom.c: Update tree_pass descriptors.
4005 * tree-nrv.c: Update tree_pass descriptors.
4006 * tree-ssa-alias.c: Update tree_pass descriptors.
4007 * loop-init.c: Update tree_pass descriptors.
4008 * gimple-low.c: Update tree_pass descriptors.
4009 * ipa-inline.c: Update tree_pass descriptors.
4010 * tree-ssa-sink.c: Update tree_pass descriptors.
4011 * global.c: Update tree_pass descriptors.
4012 * ifcvt.c: Update tree_pass descriptors.
4013 * jump.c: Update tree_pass descriptors.
4014 * predict.c: Update tree_pass descriptors.
4015 * tree-ssa-loop.c: Update tree_pass descriptors.
4016 * recog.c: Update tree_pass descriptors.
4017 * dse.c: Update tree_pass descriptors.
4018 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
4019 * tree-eh.c: Update tree_pass descriptors.
4020 * regmove.c: Update tree_pass descriptors.
4022 * function.c: Update tree_pass descriptors.
4023 * tree-vectorizer.c: Update tree_pass descriptors.
4024 * gcse.c: Update tree_pass descriptors.
4025 * ipa-type-escape.c: Update tree_pass descriptors.
4026 * tree-if-conv.c: Update tree_pass descriptors.
4027 * init-regs.c: Update tree_pass descriptors.
4028 * ipa.c: Update tree_pass descriptors.
4029 * tree-ssa-phiopt.c: Update tree_pass descriptors.
4030 * rtl-factoring.c: Update tree_pass descriptors.
4031 * lower-subreg.c: Update tree_pass descriptors.
4032 * bt-load.c: Update tree_pass descriptors.
4033 * tree-dfa.c: Update tree_pass descriptors.
4034 * except.c: Update tree_pass descriptors.
4035 * emit-rtl.c: Update tree_pass descriptors.
4036 * cfgexpand.c: Update tree_pass descriptors.
4037 * tree-cfgcleanup.c: Update tree_pass descriptors.
4038 * cfgcleanup.c: Update tree_pass descriptors.
4039 * tree-ssa-pre.c: Update tree_pass descriptors.
4040 * tree-sra.c: Update tree_pass descriptors.
4041 * tree-mudflap.c: Update tree_pass descriptors.
4042 * tree-ssa-copy.c: Update tree_pass descriptors.
4043 * cfglayout.c: Update tree_pass descriptors.
4044 * tree-ssa-forwprop.c: Update tree_pass descriptors.
4045 * tree-ssa-dce.c: Update tree_pass descriptors.
4046 * tree-ssa.c: Update tree_pass descriptors.
4047 * regclass.c: Update tree_pass descriptors.
4048 * integrate.c: Update tree_pass descriptors.
4049 * tree-optimize.c: Update tree_pass descriptors.
4050 * tree-ssa-phiprop.c: Update tree_pass descriptors.
4051 * tree-object-size.c: Update tree_pass descriptors.
4052 * combine.c: Update tree_pass descriptors.
4053 * tree-outof-ssa.c: Update tree_pass descriptors.
4054 * bb-reorder.c: Update tree_pass descriptors.
4055 * stack-ptr-mod.c: Update tree_pass descriptors.
4056 * var-tracking.c: Update tree_pass descriptors.
4057 * tree-profile.c: Update tree_pass descriptors.
4058 * tree-vect-generic.c: Update tree_pass descriptors.
4059 * reg-stack.c: Update tree_pass descriptors.
4060 * sched-rgn.c: Update tree_pass descriptors.
4061 * tree-ssa-structalias.c: Update tree_pass descriptors.
4062 * tree-cfg.c: Update tree_pass descriptors.
4063 * passes.c (current_pass): Update declaration.
4064 (finish_optimization_passes): Update.
4065 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
4066 (register_one_dump_file, register_dump_files_1, next_pass_1):
4068 (init_optimization_passes): Update handling of new types.
4069 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
4070 * ipa-struct-reorg.c: Update tree_pass descriptors.
4071 * tree-ssa-reassoc.c: Update tree_pass descriptors.
4072 * combine-stack-adj.c: Update tree_pass descriptors.
4073 * cfgrtl.c: Update tree_pass descriptors.
4074 * dce.c: Update tree_pass descriptors.
4075 * tree-ssanames.c: Update tree_pass descriptors.
4077 2008-03-19 Richard Guenther <rguenther@suse.de>
4080 * tree-ssa.c (walk_data): New structure.
4081 (warn_uninitialized_var): If not always_executed warn with "maybe"
4083 (execute_early_warn_uninitialized): Compute post-dominators.
4084 Initialize always_executed before processing each basic block.
4086 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
4089 * config/i386/i386.c (x86_this_parameter): Calculate correct location
4090 of "this" pointer when "regparm = N" or "fastcall" is in effect.
4092 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4094 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
4096 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
4098 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
4100 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
4101 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
4102 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
4103 target after ignore has been set, and move there also the commputation
4104 of subtarget and original_target.
4105 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
4106 (LANG_HOOKS_INITIALIZER): Remove it.
4107 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
4109 2008-03-18 Richard Guenther <rguenther@suse.de>
4111 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
4112 found an expression with constants, note that in the VN for the lhs.
4113 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
4114 fold them to constants if possible. Run cleanup_cfg if done so.
4115 (execute_pre): Return todo.
4117 (execute_fre): Likewise.
4118 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
4120 (get_prop_source_stmt): Look through pointer conversions.
4122 2008-03-18 Jan Hubicka <jh@suse.cz>
4124 * tree-pretty-print.c: Include predict.h.
4125 (dump_generic_node): Dump predictor.
4126 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
4127 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
4128 * gimple-low.c (lower_stmt): Likewise.
4129 * expr.c (expand_expr_real): Likewise.
4130 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
4132 (build_predict_expr, build_predict_expr): New.
4133 * predict.h (predictor_name, build_predict_expr): Update.
4134 * c-typeck.c (c_finish_bc_stmt): Add prediction.
4135 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
4136 * predict.def (PRED_CONTINUE): Update hitrate.
4137 * tree.def (PREDICT_EXPR): Define.
4138 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
4139 do not handle BIND_EXPR.
4140 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
4141 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
4142 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
4145 2008-03-18 Michael Matz <matz@suse.de>
4147 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
4149 2008-03-18 Richard Guenther <rguenther@suse.de>
4151 * tree-gimple.h (is_gimple_invariant_address): Declare.
4152 (is_gimple_constant): Likewise.
4153 * tree-gimple.c (is_gimple_constant): New function.
4154 (is_gimple_invariant_address): Likewise.
4155 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
4156 and is_gimple_invariant_address.
4157 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
4159 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
4160 an addressable base.
4162 2008-03-18 Jakub Jelinek <jakub@redhat.com>
4165 * gimplify.c (gimplify_expr): Gimplify second operand of
4168 2008-03-17 Richard Guenther <rguenther@suse.de>
4170 PR tree-optimization/19637
4171 * fold-const.c (fold_unary): Remove restrictions of removing
4172 intermediate pointer-conversions (P2)(P1)P0.
4173 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
4174 conversion to void pointer.
4175 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
4177 2008-03-16 James E. Wilson <wilson@tuliptree.org>
4180 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
4181 emulated thread local variables.
4183 2008-03-16 Richard Guenther <rguenther@suse.de>
4186 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
4187 expand TREE_INVARIANT operations that are not gimple invariant.
4189 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
4191 * doc/extend.texi (Alignment): Say that the ABI controls
4192 the __alignof__ for non-strict-alignment targets rather
4193 than being a recommendation.
4195 2008-03-15 Paul Brook <paul@codesourcery.com>
4197 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
4199 (arm_output_fn_unwind): Mark functions that can not be unwound.
4201 2008-03-15 Paul Brook <paul@codesourcery.com>
4203 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
4204 extension instructions.
4206 2008-03-15 Richard Guenther <rguenther@suse.de>
4208 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
4209 and fold constant aggregate refs.
4210 (fold_const_aggregate_ref): Handle string constants
4211 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
4212 (evaluate_stmt): Simplify now that ccp_fold folds constant
4215 2008-03-15 Paul Brook <paul@codesourcery.com>
4217 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
4218 (extzv): Use gen_extzv_t2.
4219 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
4221 2008-03-15 Richard Guenther <rguenther@suse.de>
4223 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
4224 (fold_const_aggregate_ref): Likewise.
4225 (get_value): Return NULL if we don't have any values.
4226 (ccp_finalize): Set const_val to NULL after freeing it.
4227 * tree-flow.h (get_symbol_constant_value): Declare.
4228 (fold_const_aggregate_ref): Likewise.
4229 * tree-ssa-sccvn.c (try_to_simplify): Use them.
4231 2008-03-15 Richard Guenther <rguenther@suse.de>
4234 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
4235 to not produce negative array indices if not allowed. Add
4236 parameter to indicate that.
4237 (maybe_fold_offset_to_component_ref): Allow negative array
4238 indices only for the first member of a structure.
4239 (maybe_fold_offset_to_reference): Allow negative array indices.
4240 (maybe_fold_stmt_addition): Likewise.
4242 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
4243 Anatoly Sokolov <aesok@post.ru>
4245 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
4246 (avr_arch): Add ARCH_AVR6.
4247 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
4248 (initial_elimination_offset): Initialize and use 'avr_pc_size'
4249 instead of fixed value 2.
4250 (print_operand_address): Use gs() asm specifier instead of pm().
4251 (avr_assemble_integer): (Ditto.).
4252 (avr_output_addr_vec_elt): (Ditto.).
4253 (print_operand): Handle "!" code.
4254 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
4255 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
4256 (AVR_HAVE_EIJMP_EICALL): Define.
4257 (AVR_3_BYTE_PC): Redefine.
4258 (AVR_2_BYTE_PC): (Ditto.).
4259 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
4260 (LINK_SPEC): Add atmega2560 and atmega2561.
4261 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
4263 * config/avr/avr.md (call_insn): Use eicall instead of icall
4264 for 3 byte PC devices.
4265 (call_value_insn): (Ditto.).
4266 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
4267 (indirect_jump): Use only for for 2 byte PC devices.
4268 (*tablejump): (Ditto.).
4269 (*indirect_jump_avr6): Add insn.
4270 (*tablejump_rjmp): Don't use for 3 byte PC devices.
4271 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
4272 instead of ijmp for 3 byte PC devices.
4273 (__tablejump2__): (Ditto.).
4274 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
4275 (MULITLIB_DIRNAMES): (Ditto.).
4276 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
4278 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
4280 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
4281 "sse2_umulsidi3". Use V1DI mode for operand 0.
4282 ("mmx_psadbw"): Use V1DI mode for operand 0.
4283 * config/i386/i386-modes.def (V1SI): New vector mode.
4284 * config/i386/i386.c (struct builtin_description)
4285 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
4286 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
4287 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
4288 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
4289 v1di_ftype_v8qi_v8qi type.
4290 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
4292 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
4293 __builtin_ia32_pmuludq]: Fix the mode of return value.
4295 2008-03-15 Richard Guenther <rguenther@suse.de>
4298 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
4301 2008-03-14 Bob Wilson <bob.wilson@acm.org>
4303 * doc/invoke.texi (Option Summary, Xtensa Options): Document
4304 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
4305 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
4306 unless TARGET_SERIALIZE_VOLATILE is enabled.
4307 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
4308 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
4309 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
4311 2008-03-14 Richard Guenther <rguenther@suse.de>
4313 PR tree-optimization/34172
4314 * tree-flow.h (refs_may_alias_p): Declare.
4315 (get_single_def_stmt): Likewise.
4316 (get_single_def_stmt_from_phi): Likewise.
4317 (get_single_def_stmt_with_phi): Likewise.
4318 * tree-dfa.c (refs_may_alias_p): New function.
4319 (get_single_def_stmt): Likewise.
4320 (get_single_def_stmt_from_phi): Likewise.
4321 (get_single_def_stmt_with_phi): Likewise.
4322 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
4323 (vn_reference_lookup_1): New helper function.
4324 (vn_reference_lookup): Walk the virtual use-def chain to
4325 continue searching for a match if the def does not alias the
4326 reference we are looking for.
4328 2008-03-14 David Edelsohn <edelsohn@gnu.org>
4330 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
4331 archive and Perzl. Update The Written Word listing.
4333 2008-03-14 Richard Guenther <rguenther@suse.de>
4335 PR tree-optimization/34043
4336 PR tree-optimization/33989
4337 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
4339 (bitmap_find_leader): Use extra argument to verify dominance
4340 relationship inside a basic-block.
4341 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
4342 (find_leader_in_sets): Adjust.
4343 (create_component_ref_by_pieces): Take extra argument for
4344 dominance check, handle lookup failures.
4345 (find_or_generate_expression): Likewise.
4346 (create_expression_by_pieces): Likewise.
4347 (insert_into_preds_of_block): Adjust.
4348 (create_value_expr_from): If asked for, verify all operands
4349 are in the blocks AVAIL_OUT set.
4350 (make_values_for_stmt): Check for SSA_NAMEs that are life
4351 over an abnormal edge.
4352 (compute_avail): Remove such check.
4353 (do_SCCVN_insertion): New function.
4354 (eliminate): If we do not find a leader suitable for replacement
4355 insert a replacement expression from SCCVN if available.
4356 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
4357 (struct vn_ssa_aux): Add needs_insertion flag.
4358 * tree-ssa-sccvn.c (may_insert): New global flag.
4359 (copy_reference_ops_from_ref): Value-number union member access
4360 based on its size, not type and member if insertion is allowed.
4361 (visit_reference_op_load): For a weak match from union type
4362 punning lookup a view-converted value and insert a SSA_NAME
4363 for that value if that is not found.
4364 (visit_use): Make dumps shorter. Do not disallow value numbering
4365 SSA_NAMEs that are life over an abnormal edge to constants.
4366 (free_scc_vn): Release inserted SSA_NAMEs.
4367 (run_scc_vn): New flag to specify whether insertion is allowed.
4368 Process SSA_NAMEs in forward order.
4369 * tree-ssa-loop-im.c (for_each_index): Handle invariant
4370 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
4371 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
4372 pointer type to/from integral types that do not change the
4373 precision to regular conversions.
4375 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4377 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4378 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4379 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
4380 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
4381 input arguments and the mode of return value. Built-in functions
4382 that operate on whole 64-bit MMX register now use V1DI mode.
4384 2008-03-13 Alon Dayan <alond@il.ibm.com>
4385 Olga Golovanevsky <olga@il.ibm.com>
4387 PR tree-optimization/35041
4388 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
4389 to locate the right position in a statement.
4391 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4395 * config/i386/xmmintrin.h: Change all static inline functions to
4396 extern inline and add __gnu_inline__ attribute.
4397 * config/i386/bmintrin.h: Ditto.
4398 * config/i386/smmintrin.h: Ditto.
4399 * config/i386/tmmintrin.h: Ditto.
4400 * config/i386/mmintrin-common.h: Ditto.
4401 * config/i386/ammintrin.h: Ditto.
4402 * config/i386/emmintrin.h: Ditto.
4403 * config/i386/pmmintrin.h: Ditto.
4404 * config/i386/mmintrin.h: Ditto.
4405 * config/i386/mm3dnow.h: Ditto.
4407 2008-03-13 Jakub Jelinek <jakub@redhat.com>
4410 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
4411 (lower_omp_2): New function.
4412 (lower_omp_1, lower_omp): Rewritten.
4414 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
4417 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
4418 with the phrase "Microsoft Windows compilers".
4419 (Push/Pop Macro Pragmas): New subsection. Document
4420 #pragma push_macro and pragma pop_macro.
4422 2008-03-12 Paul Brook <paul@codesourcery.com>
4424 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
4426 2008-03-12 Paul Brook <paul@codesourcery.com>
4428 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
4429 (thumb2_alusi3_short): Exclude PLUS and MINUS.
4430 (thumb2_addsi_shortim): Rename ...
4431 (thumb2_addsi_short): ... to this. Allow register operands.
4432 (thumb2_subsi_short): New pattern.
4433 (thumb2_one_cmplsi2_short,
4434 thumb2_negsi2_short): New patterns and peepholes.
4436 2008-03-12 Paul Brook <paul@codesourcery.com>
4438 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
4440 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
4442 * config/i386/i386.md (int_cond): New code iterator.
4444 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
4445 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
4446 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
4447 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
4448 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
4449 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
4450 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
4451 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
4453 2008-03-12 Paul Brook <paul@codesourcery.com>
4455 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
4456 instead of {arm,thumb}_compute_save_reg_mask.
4457 (output_return_instruction): Ditto.
4458 (thumb_unexpanded_epilogue): Ditto.
4459 (thumb1_expand_prologue): Ditto.
4460 (thumb1_output_function_prologue): Ditto.
4461 (arm_set_return_address): Ditto.
4462 (thumb_set_return_address): Ditto.
4463 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
4464 regs to achieve stack alignment.
4465 (thumb1_compute_save_reg_mask): Fix compiler warning.
4466 (arm_output_epilogue): Use offsets->saved_regs_mask.
4467 Adjust stack pointer by poping call clobered registers.
4468 (arm_expand_prologue): Use offsets->saved_regs_mask.
4469 Adjust stack pointer by pushing extra registers.
4470 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4472 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
4475 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4476 conversion to the operands of a multiplication.
4478 2008-03-12 Richard Guenther <rguenther@suse.de>
4480 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4481 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4482 * timevar.def (TV_TREE_PHIPROP): Add.
4483 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4484 pass description. Use TV_TREE_PHIPROP.
4485 * tree-ssa-forwprop.c: Remove phiprop code.
4487 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4490 * omp-low.c (maybe_lookup_decl): Constify first argument.
4491 (use_pointer_for_field): Change last argument from bool to
4492 omp_context *. Disallow shared copy-in/out in nested
4493 parallel if decl is shared in outer parallel too.
4494 (build_outer_var_ref, scan_sharing_clauses,
4495 lower_rec_input_clauses, lower_copyprivate_clauses,
4496 lower_send_clauses, lower_send_shared_vars): Adjust callers.
4498 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
4499 Ira Rosen <irar@il.ibm.com>
4501 * tree-vectorizer.c (free_stmt_vec_info): New function.
4502 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4503 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4504 * tree-vectorizer.h (free_stmt_vec_info): Declare.
4505 * tree-vect-transform.c (vectorizable_conversion): Free
4506 vec_oprnds0 if it was allocated.
4507 (vect_permute_store_chain): Remove unused VECs.
4508 (vectorizable_store): Free VECs that are allocated in the..
4510 (vect_transform_strided_load, vectorizable_load): Likewise.
4511 (vect_remove_stores): Simplify the code.
4512 (vect_transform_loop): Move code to vect_remove_stores().
4513 Call vect_remove_stores() and free_stmt_vec_info().
4515 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4517 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4518 TARGET_HPUX. Revise comment.
4519 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4520 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4521 Use sr4 variant of `be' instruction when not generating PIC code.
4522 (attr_length_call): Adjust for above change.
4524 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4526 * ipa-reference.c (static_execute): Remove module_statics_const and
4527 associated setting code.
4529 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4532 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4533 predicate for operand 1.
4534 (paritysi2_cmp): Use register_operand predicate for operand 2.
4535 Use earlyclobber modifier for operand 1. Remove support for
4537 (paritydi2_cmp): Use register_operand predicate for operand 3.
4538 Use earlyclobber modifier for operand 1. Remove support for
4541 2008-03-11 Paul Brook <paul@codesourcery.com>
4542 Vladimir Prus <vladimir@codesourcery.com>
4544 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4545 (arm_compute_save_reg0_reg12_mask): Always
4546 check if register 11 must be saved. Always safe hard frame pointer
4547 when frame_pointer_needeed.
4548 (arm_compute_save_reg_mask): Save IP and PC
4549 only with apcs frames.
4550 (arm_output_epilogue): Adjust Thumb2 codepath to
4551 be also invoked and work for ARM non-apcs frames.
4552 (arm_expand_prologue): Don't bother saving IP
4553 for non-apcs frame, since it's not clobbered by
4554 prologue code. Implement non-apcs frame
4557 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4559 PR rtl-optimization/35281
4560 * expr.c (convert_move): Use a new pseudo for the intermediate
4561 from_mode->word_mode result.
4563 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4565 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4566 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4567 * toplev.c (compile_file): Don't call it.
4569 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4572 * expr.c (store_expr): Call emit_block_move if the mode
4573 of "temp" RTX is BLKmode.
4575 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4576 Richard Guenther <rguenther@suse.de>
4578 PR tree-optimization/31358
4579 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4580 the step with a NULL_TREE.
4581 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4582 to sizetype if type is a pointer type.
4583 (add_candidate_1): Don't convert the base and step to
4584 the generic type if the orginal type is a pointer type.
4585 (add_iv_value_candidates): Use sizetype for the step
4586 if type is a pointer type.
4587 (cand_value_at): Likewise.
4588 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4590 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4591 Don't convert the tem affine to the type.
4592 (add_elt_to_tree): Use sizetype for the step if a pointer.
4593 Use POINTER_PLUS_EXPR for pointers.
4594 (aff_combination_to_tree): Use sizetype for the step if a
4597 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
4599 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4600 Remove commutativity hint.
4602 2008-03-10 Jakub Jelinek <jakub@redhat.com>
4606 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4607 errorneous type. Check that v is a VAR_DECL.
4610 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4612 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
4614 PR tree-optimization/35494
4615 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4616 may be overriden at link and run time.
4618 2008-03-10 Richard Guenther <rguenther@suse.de>
4620 PR tree-optimization/34677
4621 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4622 (poolify_tree): Likewise.
4623 (modify_expr_template): Likewise.
4624 (poolify_modify_stmt): Likewise.
4625 (insert_fake_stores): Handle all component-ref style stores
4626 in addition to INDIRECT_REF. Also handle complex types.
4627 Do not poolify the inserted load.
4628 (realify_fake_stores): Do not rebuild the tree but only
4629 make it a SSA_NAME copy.
4630 (init_pre): Remove initialzation of modify_expr_template.
4631 Do not allocate modify_expr_node_pool.
4632 (fini_pre): Do not free modify_expr_node_pool.
4634 2008-03-10 Paul Brook <paul@codesourcery.com>
4636 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4639 2008-03-10 Paul Brook <paul@codesourcery.com>
4640 Mark Shinwell <shinwell@codesourcery.com>
4642 * config/arm/cortex-r4.md: New.
4643 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4645 * config/arm/arm.md: Include cortex-r4.md.
4646 (insn): Add smmls, sdiv and udiv values.
4647 (generic_sched): Don't use generic scheduling for Cortex-R4.
4648 (arm_issue_rate): New function.
4649 (TARGET_SCHED_ISSUE_RATE): Define.
4651 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
4653 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4655 2008-03-10 Richard Guenther <rguenther@suse.de>
4657 * tree-ssa-pre.c (get_sccvn_value): Simplify.
4658 (compute_avail): Do not add stmt uses to AVAIL_OUT.
4660 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
4662 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4663 Set default to true.
4665 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4667 * c.opt (Wsynth): Deprecate.
4668 * doc/invoke.texi (Option Summary, Warning Options): Document
4669 -Wno-format-contains-nul.
4671 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
4674 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4675 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4677 2008-03-09 Ira Rosen <irar@il.ibm.com>
4679 * config/rs6000/rs6000.c (builtin_description): Rename vector
4680 left shift operations.
4681 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4682 (altivec_vsl<VI_char>): Rename to ...
4683 (ashl<mode>3): ... new name.
4684 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4686 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4688 2008-03-08 Richard Guenther <rguenther@suse.de>
4690 * coverage.h (tree_coverage_counter_addr): Declare.
4691 * coverage.c (tree_coverage_counter_addr): New function.
4692 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4694 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4695 (tree_gen_one_value_profiler): Likewise.
4696 (tree_gen_ic_profiler): Likewise.
4697 (tree_gen_average_profiler): Likewise.
4698 (tree_gen_ior_profiler): Likewise.
4700 2008-03-08 Richard Guenther <rguenther@suse.de>
4702 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4703 (vn_binary_op_insert): Likewise.
4704 (vn_unary_op_lookup): Likewise.
4705 (vn_unary_op_insert): Likewise.
4706 (vn_nary_op_lookup): Declare.
4707 (vn_nary_op_insert): Likewise.
4708 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4709 and binary hashes, use a single obstack for unary_op_pool
4711 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4712 a single struct vn_nary_op_s. Store tree code length and
4713 a variable number of operands.
4714 (struct vn_reference_op_struct): Remove unused op2.
4715 (vn_reference_op_eq): Do not compare op2.
4716 (vn_reference_op_compute_hash): Do not compute hash of op2.
4717 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4718 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4719 with vn_nary_op_compute_hash.
4720 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4721 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4723 (vn_unary_op_insert, vn_binary_op_insert): Replace with
4725 (visit_unary_op): Call nary functions.
4726 (visit_binary_op): Likewise.
4727 (process_scc): Adjust for struct vn_tables_s changes.
4728 (allocate_vn_table): Likewise.
4729 (free_vn_table): Likewise.
4730 * tree-vn.c (vn_add): Call nary functions.
4731 (vn_lookup): Likewise.
4733 2008-03-08 Jakub Jelinek <jakub@redhat.com>
4736 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4737 wdst back after sync_compare_and_swapqhi_internal.
4739 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
4742 * config/i386/i386-modes.def (V1DI): New vector mode.
4743 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4744 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4745 (MMXMODE248): Ditto.
4746 (MMXMODE): Add V1DI mode.
4747 (mmxvecsize): Change DI mode to V1DI mode.
4748 ("mov<mode>): Use MMXMODEI8 mode iterator.
4749 ("*mov<mode>_internal_rex64"): Ditto.
4750 ("*mov<mode>_internal"): Ditto.
4751 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
4752 ("mmx_sub<mode>3"): Ditto.
4753 ("mmx_adddi3"): Remove insn pattern.
4754 ("mmx_subdi3"): Ditto.
4755 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4756 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4757 ("mmx_ashl<mode>3"): Ditto.
4758 ("mmx_lshrdi3"): Remove insn pattern.
4759 ("mmx_ashldi3"): Ditto.
4760 * config/i386/i386.c (classify_argument): Handle V1DImode.
4761 (function_arg_advance_32): Ditto.
4762 (function_arg_32): Ditto.
4763 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4764 mmx_addv1di3 insn pattern.
4765 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4766 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4767 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4768 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4769 Remove definitions of built-in functions.
4770 (V1DI_type_node): New node.
4771 (v1di_ftype_v1di_int): Ditto.
4772 (v1di_ftype_v1di_v1di): Ditto.
4773 (v2si_ftype_v2si_si): Ditto.
4774 (v4hi_ftype_v4hi_di): Remove node.
4775 (v2si_ftype_v2si_di): Ditto.
4776 (ix86_init_mmx_sse_builtins): Handle V1DImode.
4777 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4778 Redefine builtins using def_builtin_const with *_ftype_*_int node.
4779 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4780 Add new builtins using def_builtin_const.
4781 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4782 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4783 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4784 * config/i386/mmintrin.h (__v1di): New typedef.
4785 (_mm_add_si64): Cast arguments to __v1di type.
4786 (_mm_sub_si64): Ditto.
4787 (_mm_sll_pi16): Cast __count to __v4hi type.
4788 (_mm_sll_pi32): Cast __count to __v2si type.
4789 (_mm_sll_si64): Cast arguments to __v1di type.
4790 (_mm_srl_pi16): Cast __count to __v4hi type.
4791 (_mm_srl_pi32): Cast __count to __v2si type.
4792 (_mm_srl_si64): Cast arguments to __v1di type.
4793 (_mm_sra_pi16): Cast __count to __v4hi type.
4794 (_mm_sra_pi32): Cast __count to __v2si type.
4795 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4796 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4797 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4798 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4799 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4800 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4801 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4802 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4803 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4804 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4805 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4806 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4808 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4810 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4812 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4815 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4816 reg+const addressing for Altivec modes. Don't generate reg+reg
4817 addressing for TFmode or TDmode quantities.
4819 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4821 * c-common.c (vector_types_convertible_p): Call langhook
4822 instead of comptypes.
4824 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4827 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4828 integral and scalar float variables which have a
4831 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4833 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4834 dwarf_register_span hook when emitting unwind information for
4835 register-to-memory saves.
4836 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4837 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4839 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4841 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4842 for the same VAR_DECL.
4844 2008-03-06 Tom Tromey <tromey@redhat.com>
4847 * doc/standards.texi (Standards): Don't mention treelang.
4848 * doc/invoke.texi (Overall Options): Don't mention treelang.
4849 * doc/install.texi (Prerequisites): Don't mention bison or
4851 (Configuration): Don't mention treelang.
4852 (Building): Likewise.
4853 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4855 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4857 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4858 word-extractions out of a multi-word object.
4860 2008-03-06 Richard Guenther <rguenther@suse.de>
4862 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4863 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4864 result type and precision.
4865 * expr.c (get_inner_reference): Set unsignedp based on the result
4866 type of BIT_FIELD_REF.
4867 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4868 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4869 (try_instantiate_multiple_fields): Likewise. Use the correct type
4871 (sra_build_assignment): Likewise.
4872 (sra_build_elt_assignment): Likewise.
4873 (sra_explode_bitfield_assignment): Likewise.
4874 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4875 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4876 set BIT_FIELD_REF_UNSIGNED.
4877 (vectorizable_load): Likewise.
4879 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4881 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4884 2008-03-06 Richard Guenther <rguenther@suse.de>
4886 * alias.c (struct alias_set_entry): Move has_zero_child field
4887 to pack with alias_set.
4889 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4891 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4894 2008-03-05 Ian Lance Taylor <iant@google.com>
4896 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4898 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4900 * fwprop.c (update_df): Support width and offset parameters of
4902 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4903 global_conflicts): Change DF_REF_EXTRACT to either
4904 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4905 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4906 * df-scan.c (df_ref_record, df_defs_record,
4907 df_ref_create_structure, df_def_record_1, df_uses_record,
4908 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4909 df_bb_refs_collect, df_entry_block_defs_collect,
4910 df_exit_block_uses_collect): Support new width and offset fields.
4911 (ref_extract_pool): New storage pool.
4912 (df_free_ref): New function.
4913 (df_reg_chain_unlink, df_free_collection_rec,
4914 df_sort_and_compress_refs): Call df_free_ref.
4915 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4917 (df_ref_create_structure): Allocate df_ref_extract if offset and
4918 width fields are used.
4919 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4920 (df_uses_record): Get offset and width from ZERO_EXTRACT
4922 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4923 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4924 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4925 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4926 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4927 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4928 (df_ref_extract): New structure.
4929 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4930 (df_ref_create): Add width and offset parameters.
4932 2008-03-05 Richard Guenther <rguenther@suse.de>
4934 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4935 Use ranges_overlap_p.
4936 (offset_overlaps_with_access): Rename
4937 to ranges_overlap_p and move ...
4938 * tree-flow-inline.h (ranges_overlap_p): ... here.
4940 * tree.h (get_inner_reference, handled_component_p): Update
4943 * tree.h (record_component_aliases, get_alias_set,
4944 alias_sets_conflict_p, alias_sets_must_conflict_p,
4945 objects_must_conflict_p): Move declarations ...
4946 * alias.h (record_component_aliases, get_alias_set,
4947 alias_sets_conflict_p, alias_sets_must_conflict_p,
4948 objects_must_conflict_p): ... here.
4949 Include coretypes.h.
4950 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4952 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4954 * cfg.c: Include tree-flow.h.
4955 (remove_edge_raw): Call redirect_edge_var_map_clear.
4956 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4957 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4958 (redirect_edge_var_map_result): New.
4959 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4960 PENDING_STMT use with redirect_edge_var_map_*.
4961 * tree-ssa.c (edge_var_maps): New definition.
4962 (redirect_edge_var_map_add): New.
4963 (redirect_edge_var_map_clear): New.
4964 (redirect_edge_var_map_dup): New.
4965 (redirect_edge_var_map_vector): New.
4966 (redirect_edge_var_map_destroy): New.
4967 (ssa_redirect_edge): Replace PENDING_STMT use with
4968 redirect_edge_var_map_*.
4969 (flush_pending_stmts): Same.
4970 (delete_tree_ssa): Destroy edge var map.
4971 * tree-flow.h (struct _edge_var_map): New.
4972 Define edge_var_map vector type.
4973 Declare redirect_edge_var_map_* prototypes.
4974 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4975 * tree-cfg.c (reinstall_phi_args): Replace
4976 PENDING_STMT use with redirect_edge_var_map_*.
4978 2008-03-05 Richard Guenther <rguenther@suse.de>
4980 PR tree-optimization/35472
4981 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4982 whose single use_stmt has a overlapping set of loaded and
4983 stored symbols as that use_stmt might be a noop assignment then.
4985 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4987 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4989 2008-03-05 Richard Guenther <rguenther@suse.de>
4992 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4993 should be constants.
4994 * tree-cfg.c (verify_expr): Verify it.
4995 * fold-const.c (fold_truthop): Remove code generating
4996 BIT_FIELD_REFs of structure bases.
4997 (fold_binary): Likewise.
4998 (fold_ternary): Position and size of BIT_FIELD_REFs are
4999 always host integers.
5000 (make_bit_field_ref): Remove.
5001 (optimize_bit_field_compare): Remove.
5002 (all_ones_mask_p): Remove.
5004 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
5007 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
5008 (split_block_and_df_analyze): New. Split basic block and rebuild
5010 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
5012 (split_pattern_seq): Likewise.
5013 (erase_matching_seqs): Likewise.
5014 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
5016 2008-03-04 Geoff Keating <geoffk@apple.com>
5018 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
5019 declaration and code.
5020 (tree_invalid_nonnegative_warnv_p): Likewise.
5022 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5024 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
5025 examples. Truncate option-names then causing overfull hbox.
5027 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5030 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
5032 * configure: Rebuilt.
5034 2008-03-04 Rafael Espindola <espindola@google.com>
5036 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
5037 (tree_unary_nonnegative_warnv_p): New.
5038 (tree_binary_nonnegative_warnv_p): New.
5039 (tree_single_nonnegative_warnv_p): New.
5040 (tree_invalid_nonnegative_warnv_p): New.
5041 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
5043 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5046 * opts.c (handle_option): Postpone 'unknown option' errors only for
5049 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
5052 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
5055 2008-03-04 Rafael Espindola <espindola@google.com>
5057 * fold-const.c (tree_unary_nonzero_warnv_p): New.
5058 (tree_binary_nonzero_warnv_p): New.
5059 (tree_single_nonzero_warnv_p): New.
5060 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
5062 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
5065 * fold-const.c (fold_cond_expr_with_comparison): Prevent
5066 transformations for modes that have signed zeros.
5067 * ifcvt.c (noce_try_abs): Ditto.
5069 2008-03-04 Joseph Myers <joseph@codesourcery.com>
5071 * config/i386/i386.c (override_options): Force
5072 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
5074 2008-03-04 Jan Hubicka <jh@suse.cz>
5077 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
5080 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
5082 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
5083 label to probe the stack.
5085 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
5087 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
5088 (__gthr_win32_mutex_destroy): Declare.
5089 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
5090 __gthr_win32_mutex_destroy.
5091 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
5093 2008-03-03 Jan Hubicka <jh@suse.cz>
5096 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
5097 aggressive on inlining cold calls.
5099 2008-03-03 Richard Guenther <rguenther@suse.de>
5101 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
5102 struct copies into the expression table.
5103 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
5104 (try_to_simplify): Likewise.
5105 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
5106 integral and pointer arguments which do not change the
5107 precision to NOP_EXPRs.
5108 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
5109 VIEW_CONVERT_EXPR case.
5111 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
5113 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5114 defined in a loop at depth 0 is invariant.
5115 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5116 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5117 be called at loop depth 0.
5119 2008-03-02 Jakub Jelinek <jakub@redhat.com>
5122 * gcc.c (process_command): Update copyright notice dates.
5123 * gcov.c (print_version): Likewise.
5124 * gcov-dump.c (print_version): Likewise.
5125 * mips-tfile.c (main): Likewise.
5126 * mips-tdump.c (main): Likewise.
5128 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5131 * c-common.c (flag_permissive): Delete.
5132 (constant_expression_warnings): Check flags first.
5133 (constant_expression_error): New.
5134 * c-common.h (flag_permissive): Delete.
5135 (constant_expression_error): Declare.
5136 * flags.h (flag_permissive): Declare. Update description.
5137 * diagnostic.c (pedwarn): Update.
5139 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
5140 (permissive_error_kind): New.
5141 * toplev.c (flag_permissive): Define. Update description.
5142 * toplev.h (permissive_error_kind): Declare.
5143 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
5144 (pedwarn_c90): Use pedantic_warning_kind.
5145 * c-opts.c (c_common_post_options): flag_permissive does not affect
5146 flag_pedantic_errors.
5148 2008-03-02 Joseph Myers <joseph@codesourcery.com>
5150 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
5151 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
5152 __absvsi2, __absvDI2): Use unsigned arithmetic.
5154 2008-03-02 Andi Kleen <ak@suse.de>
5155 Richard Guenther <rguenther@suse.de>
5157 * struct-equiv.c: Remove file.
5158 * cfg_cleanup.c (condjump_equiv_p): Remove.
5159 * Makefile.in (OBJS-common): Remove struct-equiv.o.
5160 (struct-equiv.o): Remove rule.
5161 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
5162 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
5163 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
5165 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5167 * ifcvt.c (noce_process_if_block): Try to handle only the then
5168 block if the else block exists but isn't suitable.
5170 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
5173 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
5174 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
5175 regression from previous patch.
5177 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
5180 * gthr.h: Add __gthread_mutex_destroy as a function that must be
5182 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
5183 * gthr-single.h (__gthread_mutex_destroy): Likewise.
5184 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
5185 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
5186 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
5187 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
5188 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
5189 (__gthread_mutex_destroy_function): Rename to
5190 __gthread_mutex_destroy.
5191 * gthr-dce.h (__gthread_mutex_destroy): Call
5192 pthread_mutex_destroy.
5193 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
5194 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
5195 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
5197 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5199 * df-scan.c (df_ref_chain_change_bb): Simplify.
5200 (df_insn_change_bb): Add new_bb argument. Simplify. Call
5201 set_block_for_insn if there's any change.
5202 * df.h ((df_insn_change_bb): Fix prototype.
5203 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
5204 df_insn_change_bb, don't call set_block_for_insn.
5205 * emit-rtl.c (reorder_insns): Likewise.
5206 * haifa-sched.c (move_insn): Likewise.
5208 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5210 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
5212 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
5214 * tree-flow-inline.h (next_readonly_imm_use): Return
5215 NULL_USE_OPERAND_P after the end.
5217 2008-03-01 Richard Guenther <rguenther@suse.de>
5219 PR tree-optimization/35411
5220 * tree-sra.c (sra_build_assignment): Split conversion to
5221 final type to a separate statement if we are not assigning
5224 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5226 * fold-const.c (fold_convertible_p): Correct the logic to follow
5227 that in fold_convert().
5229 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
5232 * tree-inline.c (build_duplicate_type): When we make a
5233 duplicate type, make it unique in the canonical types system.
5235 2008-02-29 Tom Tromey <tromey@redhat.com>
5237 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
5238 input_file_stack_history, input_file_stack_restored): Remove.
5239 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5240 * input.h (struct file_stack): Remove.
5241 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5242 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
5244 * diagnostic.h (struct diagnostic_context) <last_module>: Change
5246 (diagnostic_last_module_changed): Add 'map' argument.
5247 (diagnostic_set_last_function): Likewise.
5248 * diagnostic.c (undiagnostic_report_current_module): Iterate using
5249 line map, not input_file_stack.
5250 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
5252 2008-02-29 Paul Brook <paul@codesourcery.com>
5254 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
5256 2008-02-29 Paul Brook <paul@codesourcery.com>
5258 * config/arm/ieee754-df.S (muldf3): Use RET macros.
5260 2008-02-29 Richard Guenther <rguenther@suse.de>
5262 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
5264 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
5265 value for comparing for a store match.
5266 (simplify_unary_expression): Do nothing for SSA_NAMEs.
5267 (try_to_simplify): Do not do a full-blown reference lookup.
5269 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
5271 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
5272 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5274 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
5276 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
5278 * tree-loop-linear.c (try_interchange_loops): Compare memory access
5279 strides against cache sizes.
5281 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
5283 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
5286 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
5288 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
5289 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
5290 is smaller than the original promoted value.
5291 (simplify_subreg): If OP is a SUBREG, try to preserve its
5292 SUBREG_PROMOTED_VAR_P information.
5294 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5296 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
5297 (VN_INFO_GET): Allocate new objects on the obstack.
5298 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
5299 for rpo_numbers_temp, for consistency.
5300 (free_scc_vn): Free the obstack.
5302 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
5304 * doc/invoke.texi: Document -ftree-loop-distribution.
5305 * tree-loop-distribution.c: New.
5306 * tree-pass.h (pass_loop_distribution): New.
5307 * graphds.h (struct graph): Add htab_t indices.
5308 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5309 * tree-vectorizer.c (rename_variables_in_loop): Extern.
5310 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
5311 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5312 * tree-data-ref.c (debug_data_dependence_relations): New.
5313 (dump_data_dependence_relation): Also print data references.
5314 (free_data_ref): Extern.
5315 (same_access_functions): Moved...
5316 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5317 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5318 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5319 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
5320 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
5321 (stmts_from_loop): Skip LABEL_EXPR.
5322 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
5324 (build_rdg): Initialize rdg->indices htab.
5325 (free_rdg, stores_from_loop, ref_base_address,
5326 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5327 have_similar_memory_accesses_1, ref_base_address_1,
5328 remove_similar_memory_refs): New.
5329 * tree-data-ref.h: Depend on tree-chrec.h.
5330 (debug_data_dependence_relations, free_data_ref): Declared.
5331 (same_access_functions): ... here.
5332 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
5334 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
5335 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
5336 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
5337 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5338 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5339 rdg_vertex_for_stmt): Declared.
5340 (struct rdg_edge): Add level.
5342 (free_rdg, stores_from_loop, remove_similar_memory_refs,
5343 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
5345 (rdg_has_similar_memory_accesses): New.
5346 * tree-vect-analyze.c: Remove unused static decls.
5347 * lambda.h (dependence_level): New.
5348 * common.opt (ftree-loop-distribution): New.
5349 * tree-flow.h (mark_virtual_ops_in_bb,
5350 slpeel_tree_duplicate_loop_to_edge_cfg,
5351 rename_variables_in_loop): Declared.
5352 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
5353 (OBJS-common): Add tree-loop-distribution.o.
5354 (tree-loop-distribution.o): New rule.
5355 * tree-cfg.c (mark_virtual_ops_in_bb): New.
5356 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5357 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
5359 2008-02-28 Joseph Myers <joseph@codesourcery.com>
5362 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
5363 other than structures and unions.
5365 2008-02-28 Richard Guenther <rguenther@suse.de>
5368 2008-02-26 Richard Guenther <rguenther@suse.de>
5370 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5371 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5372 (lookup_decl_from_uid): Declare.
5373 (remove_decl_from_map): Likewise.
5374 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5375 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5376 (decl_for_uid_map): New global hashtable mapping DECL_UID
5378 (init_ttree): Allocate it.
5379 (insert_decl_to_uid_decl_map): New helper function.
5380 (make_node_stat): Insert new decls into the map.
5381 (copy_node_stat): Likewise.
5382 (lookup_decl_from_uid): New function.
5383 (remove_decl_from_map): Likewise.
5384 (print_decl_for_uid_map_statistics): New helper.
5385 (dump_tree_statistics): Call it.
5387 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5388 (referenced_var_iterator): Adjust.
5389 (FOR_EACH_REFERENCED_VAR): Adjust.
5390 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5391 (num_referenced_vars): Adjust.
5392 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5393 (first_referenced_var): Remove.
5394 (end_referenced_vars_p): Likewise.
5395 (next_referenced_var): Likewise.
5396 (referenced_var_iterator_set): New helper function.
5397 * tree-dfa.c (referenced_var_lookup): Adjust.
5398 (referenced_var_check_and_insert): Likewise.
5399 (remove_referenced_var): Likewise.
5400 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5401 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5402 (verify_call_clobbering): Likewise.
5403 (verify_memory_partitions): Likewise.
5404 (init_tree_ssa): Allocate bitmap instead of hashtable for
5406 (delete_tree_ssa): Adjust.
5407 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5408 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5409 (compute_tag_properties): Likewise.
5410 (set_initial_properties): Likewise.
5411 (find_partition_for): Likewise.
5412 (update_reference_counts): Likewise.
5413 (dump_may_aliases_for): Likewise.
5414 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5415 (add_call_clobber_ops): Likewise.
5416 (add_call_read_ops): Likewise.
5417 (get_asm_expr_operands): Likewise.
5418 * tree-into-ssa.c (dump_decl_set): Likewise.
5419 (update_ssa): Likewise.
5420 * tree-sra.c (scan_function): Likewise.
5421 (decide_instantiations): Likewise.
5422 (scalarize_parms): Likewise.
5423 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5424 (dsa_named_for): Likewise.
5425 * tree-ssa-structalias.c (update_alias_info): Likewise.
5426 (merge_smts_into): Likewise.
5428 2008-02-27 David Daney <ddaney@avtrex.com>
5431 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
5432 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
5433 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
5434 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
5435 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
5437 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
5440 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
5441 (BUILT_IN_NEXTTOWARD): Remove.
5442 (BUILT_IN_NEXTTOWARDF): Ditto.
5443 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
5444 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
5446 2008-02-27 Tom Tromey <tromey@redhat.com>
5448 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
5449 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
5451 2008-02-27 Jan Beulich <jbeulich@novell.com>
5453 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
5454 update the respective field on newdecl.
5456 2008-02-27 Revital Eres <eres@il.ibm.com>
5458 PR rtl-optimization/34999
5459 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
5460 crossing edges that ends with a call insn.
5461 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
5462 call insn and clear the EDGE_CROSSING flag of the crossing edge
5463 when fixing fallthru edges.
5465 2008-02-27 Richard Guenther <rguenther@suse.de>
5468 * fold-const.c (fold_unary): Return the correct argument,
5469 converted to the result type.
5471 2008-02-27 Richard Guenther <rguenther@suse.de>
5474 * expr.c (expand_expr_real_1): Assert on rotates that operate
5476 * fold-const.c (fold_binary): Use the types precision, not the
5477 bitsize of the mode if folding rotate expressions. Build rotates
5478 only for full modes.
5480 2008-02-27 Jakub Jelinek <jakub@redhat.com>
5482 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5484 * c-pragma.c (pragma_ns_name): New typedef.
5485 (registered_pp_pragmas): New variable.
5486 (c_pp_lookup_pragma): New function.
5487 (c_register_pragma_1): If flag_preprocess_only, do nothing
5488 for non-expanded pragmas, for expanded ones push pragma's
5489 namespace and name into registered_pp_pragmas vector.
5490 (c_invoke_pragma_handler): Register OpenMP pragmas even when
5491 flag_preprocess_only, don't register GCC pch_preprocess
5492 pragma if flag_preprocess_only.
5493 * c-opts.c (c_common_init): Call init_pragma even if
5494 flag_preprocess_only.
5495 * c-pragma.c (c_pp_lookup_pragma): New prototype.
5496 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5497 cpp_register_pragma if flag_preprocess_only.
5499 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5502 * c-parser.c (c_parser_translation_unit): Warn for empty
5503 translation unit, not empty source file.
5505 2008-02-26 Paul Brook <paul@codesourcery.com>
5507 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5508 operand for Thumb-2.
5509 * config/arm/arm.h (reg_class): Add CORE_REGS.
5510 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5511 (BASE_REG_CLASS): Use CORE_REGS.
5512 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5513 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5514 (REGNO_OK_FOR_INDEX_P): Exclude SP.
5515 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
5516 ARM_REGNO_OK_FOR_INDEX_P.
5517 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5518 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5519 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5520 (ldm/stm peepholes): Ditto.
5521 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5522 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5523 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5524 * config/arm/constraints.md: Enable "k" constraint on ARM.
5526 2008-02-27 Ben Elliston <bje@au.ibm.com>
5528 * config/rs6000/rs6000.c: Annotate cache line size field in all
5529 instances of struct processor_costs.
5531 2008-02-26 David Edelsohn <edelsohn@gnu.org>
5533 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5534 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5535 jump_bypass): New counters.
5536 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5537 * dce.c (gate_ud_dce): Same.
5538 (gate_fast_dce): Same.
5539 * dse.c (gate_dse1): New function.
5540 (gate_dse2): New function.
5541 (gate_dse): Merge results of new gate functions.
5542 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5543 (gate_handle_jump_bypass): Add dbg_cnt.
5544 (gate_handle_gcse): Add dbg_cnt.
5545 * ifcvt.c (gate_handle_if_conversion): Same.
5546 (gate_handle_if_after_combine): Same.
5547 (gate_handle_if_after_reload): Same.
5548 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5550 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
5552 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5554 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5556 2008-02-26 Jason Merrill <jason@redhat.com>
5559 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
5560 alone if it's the naming decl for the type's main variant.
5562 2008-02-26 Tom Tromey <tromey@redhat.com>
5564 * system.h (USE_MAPPED_LOCATION): Poison.
5565 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5566 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5567 (make_goto_expr_edges): Likewise.
5568 (remove_bb): Likewise.
5569 (execute_warn_function_return): Likewise.
5570 * basic-block.h (struct edge_def) <goto_locus>: Change type to
5572 * c-common.c (fname_decl): Remove old location code.
5573 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5575 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5577 (ASM_INPUT_SOURCE_LOCATION): Likewise.
5578 (gen_rtx_ASM_INPUT): Likewise.
5579 (gen_rtx_ASM_INPUT_loc): Likewise.
5580 (get_rtx_asm_OPERANDS): Remove.
5581 * cfglayout.c (insn_locators_alloc): Remove old location code.
5582 (set_curr_insn_source_location): Likewise.
5583 (curr_insn_locator): Likewise.
5584 * print-tree.c (print_node): Remove old location code.
5585 * tree-mudflap.c (mf_varname_tree): Remove old location code.
5586 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5587 * cfgexpand.c (expand_gimple_cond_expr): Don't use
5588 location_from_locus.
5589 (construct_exit_block): Remove old location code.
5590 * emit-rtl.c (force_next_line_note): Remove old location code.
5591 * profile.c (branch_prob): Remove old location code.
5592 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5593 LOC_LINE): Remove old-location variants.
5594 * langhooks.c (lhd_print_error_function): Remove old location
5596 * configure, config.in: Rebuilt.
5597 * configure.ac (--enable-mapped-location): Remove.
5598 * c-decl.c (c_init_decl_processing): Remove old location code.
5599 (finish_function): Likewise.
5600 * recog.c (decode_asm_operands): Remove old location code.
5601 * c-pch.c (c_common_read_pch): Remove old location code.
5602 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5604 * gimple-low.c (lower_function_body): Remove old location code.
5605 * toplev.c (unknown_location): Remove.
5606 (push_srcloc): Remove old-location variant.
5607 (process_options): Remove old location code.
5608 (lang_dependent_init): Likewise.
5609 * input.h (UNKNOWN_LOCATION): Move definition.
5610 (location_t): Undeprecate.
5611 (source_locus): Remove.
5612 (location_from_locus): Remove.
5613 (struct location_s): Remove.
5614 Remove all old-location code.
5615 (input_line, input_filename): Remove.
5616 * final.c (final_scan_insn): Remove old location code.
5617 * diagnostic.c (diagnostic_build_prefix): Remove
5618 USE_MAPPED_LOCATION test.
5619 * tree.h (gimple_stmt) <locus>: Now a location_t.
5620 (tree_exp) <locus>: Likewise.
5621 (DECL_IS_BUILTIN): Remove old-location variant.
5622 (annotate_with_file_line, annotate_with_locus): Likewise.
5623 (expr_locus, set_expr_locus): Update.
5624 * tree.c (build1_stat): Remove old location code.
5625 (last_annotated_node): Remove.
5626 (annotate_with_file_line): Remove old-location variant.
5627 (annotate_with_locus): Likewise.
5628 (expr_location): Remove old location code.
5629 (set_expr_location): Likewise.
5630 (expr_has_location): Likewise.
5631 (expr_locus): Likewise.
5632 (set_expr_locus): Likewise.
5633 (expr_filename): Don't use location_from_locus.
5634 (expr_lineno): Likewise.
5635 * rtl-error.c (location_for_asm): Remove old location code.
5636 * c-lex.c (cb_line_change): Remove old location code.
5637 (fe_file_change): Likewise.
5638 (cb_def_pragma): Likewise.
5639 (c_lex_with_flags): Likewise.
5640 * gengtype.c (do_typedef): Don't special-case location types.
5641 (define_location_structures): Remove.
5642 (main): Don't call define_location_structures.
5643 * tree-pretty-print.c (dump_implicit_edges): Remove old location
5646 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5649 * builtins.def (BUILT_IN_STDARG_START): Remove.
5650 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5651 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5652 * tree-inline.c (inline_forbidden_p_1): Likewise.
5654 2008-02-26 Richard Guenther <rguenther@suse.de>
5656 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5657 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5658 (lookup_decl_from_uid): Declare.
5659 (remove_decl_from_map): Likewise.
5660 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5661 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5662 (decl_for_uid_map): New global hashtable mapping DECL_UID
5664 (init_ttree): Allocate it.
5665 (insert_decl_to_uid_decl_map): New helper function.
5666 (make_node_stat): Insert new decls into the map.
5667 (copy_node_stat): Likewise.
5668 (lookup_decl_from_uid): New function.
5669 (remove_decl_from_map): Likewise.
5670 (print_decl_for_uid_map_statistics): New helper.
5671 (dump_tree_statistics): Call it.
5673 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5674 (referenced_var_iterator): Adjust.
5675 (FOR_EACH_REFERENCED_VAR): Adjust.
5676 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5677 (num_referenced_vars): Adjust.
5678 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5679 (first_referenced_var): Remove.
5680 (end_referenced_vars_p): Likewise.
5681 (next_referenced_var): Likewise.
5682 (referenced_var_iterator_set): New helper function.
5683 * tree-dfa.c (referenced_var_lookup): Adjust.
5684 (referenced_var_check_and_insert): Likewise.
5685 (remove_referenced_var): Likewise.
5686 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5687 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5688 (verify_call_clobbering): Likewise.
5689 (verify_memory_partitions): Likewise.
5690 (init_tree_ssa): Allocate bitmap instead of hashtable for
5692 (delete_tree_ssa): Adjust.
5693 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5694 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5695 (compute_tag_properties): Likewise.
5696 (set_initial_properties): Likewise.
5697 (find_partition_for): Likewise.
5698 (update_reference_counts): Likewise.
5699 (dump_may_aliases_for): Likewise.
5700 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5701 (add_call_clobber_ops): Likewise.
5702 (add_call_read_ops): Likewise.
5703 (get_asm_expr_operands): Likewise.
5704 * tree-into-ssa.c (dump_decl_set): Likewise.
5705 (update_ssa): Likewise.
5706 * tree-sra.c (scan_function): Likewise.
5707 (decide_instantiations): Likewise.
5708 (scalarize_parms): Likewise.
5709 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5710 (dsa_named_for): Likewise.
5711 * tree-ssa-structalias.c (update_alias_info): Likewise.
5712 (merge_smts_into): Likewise.
5714 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5717 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5718 * c-opts.c (c_common_handle_option): Wall enables
5719 Wvolatile-register-var.
5720 * common.opt: Move Wvolatile-register-var to...
5723 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5725 * common.opt (Wlarger-than=): New.
5726 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5728 * opts.c (common_handle_option): Handle -Wlarger-than=.
5729 * optc-gen.awk: Likewise.
5730 * opth-gen.awk: Likewise.
5731 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5732 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5734 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5736 * c-common.c (match_case_to_enum_1): Add appropriate
5737 OPT_W* parameter to warning.
5738 (c_do_switch_warnings): Likewise.
5739 * c-typeck.c (warning_init): Add one more parameter following
5741 (push_init_level): Update call to warning_init.
5742 (pop_init_level): Likewise.
5743 (add_pending_init): Likewise.
5744 (output_init_element: Likewise.
5746 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5749 * toplev.c (toplev_main): If there are warnings or error, print
5750 errors for ignored options.
5751 * opts.c (ignored_options): New static variable.
5752 (postpone_unknown_option_error): New.
5753 (print_ignored_options): New.
5754 (handle_option): Postpone errors for unknown -Wno-* options.
5755 * opts.h (print_ignored_options): Declare.
5757 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
5759 * config/mips/mips.md (loadgp_blockage, blockage): Change type
5762 2008-02-25 Richard Guenther <rguenther@suse.de>
5765 2008-02-25 Richard Guenther <rguenther@suse.de>
5767 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5768 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5769 (lookup_decl_from_uid): Declare.
5770 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5771 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5772 (decl_for_uid_map): New global hashtable mapping DECL_UID
5774 (init_ttree): Allocate it.
5775 (insert_decl_to_uid_decl_map): New helper function.
5776 (make_node_stat): Insert new decls into the map.
5777 (copy_node_stat): Likewise.
5778 (lookup_decl_from_uid): New function.
5779 (print_decl_for_uid_map_statistics): New helper.
5780 (dump_tree_statistics): Call it.
5782 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5783 (referenced_var_iterator): Adjust.
5784 (FOR_EACH_REFERENCED_VAR): Adjust.
5785 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5786 (num_referenced_vars): Adjust.
5787 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5788 (first_referenced_var): Remove.
5789 (end_referenced_vars_p): Likewise.
5790 (next_referenced_var): Likewise.
5791 (referenced_var_iterator_set): New helper function.
5792 * tree-dfa.c (referenced_var_lookup): Adjust.
5793 (referenced_var_check_and_insert): Likewise.
5794 (remove_referenced_var): Likewise.
5795 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5796 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5797 (verify_call_clobbering): Likewise.
5798 (verify_memory_partitions): Likewise.
5799 (init_tree_ssa): Allocate bitmap instead of hashtable for
5801 (delete_tree_ssa): Adjust.
5802 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5803 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5804 (compute_tag_properties): Likewise.
5805 (set_initial_properties): Likewise.
5806 (find_partition_for): Likewise.
5807 (update_reference_counts): Likewise.
5808 (dump_may_aliases_for): Likewise.
5809 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5810 (add_call_clobber_ops): Likewise.
5811 (add_call_read_ops): Likewise.
5812 (get_asm_expr_operands): Likewise.
5813 * tree-into-ssa.c (dump_decl_set): Likewise.
5814 (update_ssa): Likewise.
5815 * tree-sra.c (scan_function): Likewise.
5816 (decide_instantiations): Likewise.
5817 (scalarize_parms): Likewise.
5818 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5819 (dsa_named_for): Likewise.
5820 * tree-ssa-structalias.c (update_alias_info): Likewise.
5821 (merge_smts_into): Likewise.
5823 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5826 * doc/invoke.texi (-fcx-limited-range): Document new option.
5827 * toplev.c (process_options): Handle -fcx-fortran-rules.
5828 * common.opt: Add documentation for -fcx-fortran-rules.
5830 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5833 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5834 actual behaviour and C99.
5836 2008-02-26 Ben Elliston <bje@au.ibm.com>
5838 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5839 (ASM_CPU_POWER6_SPEC): Likewise.
5840 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5841 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5842 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5844 2008-02-25 Richard Guenther <rguenther@suse.de>
5846 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5847 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5848 (lookup_decl_from_uid): Declare.
5849 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5850 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5851 (decl_for_uid_map): New global hashtable mapping DECL_UID
5853 (init_ttree): Allocate it.
5854 (insert_decl_to_uid_decl_map): New helper function.
5855 (make_node_stat): Insert new decls into the map.
5856 (copy_node_stat): Likewise.
5857 (lookup_decl_from_uid): New function.
5858 (print_decl_for_uid_map_statistics): New helper.
5859 (dump_tree_statistics): Call it.
5861 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5862 (referenced_var_iterator): Adjust.
5863 (FOR_EACH_REFERENCED_VAR): Adjust.
5864 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5865 (num_referenced_vars): Adjust.
5866 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5867 (first_referenced_var): Remove.
5868 (end_referenced_vars_p): Likewise.
5869 (next_referenced_var): Likewise.
5870 (referenced_var_iterator_set): New helper function.
5871 * tree-dfa.c (referenced_var_lookup): Adjust.
5872 (referenced_var_check_and_insert): Likewise.
5873 (remove_referenced_var): Likewise.
5874 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5875 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5876 (verify_call_clobbering): Likewise.
5877 (verify_memory_partitions): Likewise.
5878 (init_tree_ssa): Allocate bitmap instead of hashtable for
5880 (delete_tree_ssa): Adjust.
5881 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5882 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5883 (compute_tag_properties): Likewise.
5884 (set_initial_properties): Likewise.
5885 (find_partition_for): Likewise.
5886 (update_reference_counts): Likewise.
5887 (dump_may_aliases_for): Likewise.
5888 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5889 (add_call_clobber_ops): Likewise.
5890 (add_call_read_ops): Likewise.
5891 (get_asm_expr_operands): Likewise.
5892 * tree-into-ssa.c (dump_decl_set): Likewise.
5893 (update_ssa): Likewise.
5894 * tree-sra.c (scan_function): Likewise.
5895 (decide_instantiations): Likewise.
5896 (scalarize_parms): Likewise.
5897 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5898 (dsa_named_for): Likewise.
5899 * tree-ssa-structalias.c (update_alias_info): Likewise.
5900 (merge_smts_into): Likewise.
5902 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5905 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5906 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5907 * alias.h (nonoverlapping_memrefs_p): Likewise.
5909 2008-02-25 Jan Beulich <jbeulich@novell.com>
5911 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5912 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5913 __emultls_get_address, __emultls_register_common,
5914 __floatundi?f, and _Unwind_GetIPInfo.
5915 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5916 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5917 (gen_regparm_prefix): Likewise.
5918 (i386_nlm_encode_section_info): Sync with
5919 config/i386/winnt.c:i386_pe_encode_section_info().
5920 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5921 i386_nlm_mangle_decl_assembler_name): New.
5922 (netware_override_options): New.
5923 * config/i386/netware.h (netware_override_options): Declare.
5924 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5925 (i386_nlm_mangle_decl_assembler_name): Declare.
5926 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5928 2008-02-25 Ben Elliston <bje@au.ibm.com>
5931 * c-decl.c (grokdeclarator): Remove unused local variables
5932 `typedef_type' and `type_as_written'.
5934 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5935 unused local variable `has_hot_blocks'.
5936 (fix_crossing_conditional_branches): Remove unused local variable
5939 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5942 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5943 using DEF_C99_BUILTIN.
5944 (BUILT_IN_NANF): Ditto.
5945 (BUILT_IN_NANL): Ditto.
5947 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5948 Revital Eres <eres@il.ibm.com>
5950 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5951 regarding the order of two dependent insns in the same row.
5953 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5955 * stor-layout.c (layout_decl): Do not bump the alignment of a
5956 bit-field to more than byte alignment if it is packed.
5958 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5960 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5963 2008-02-24 Diego Novillo <dnovillo@google.com>
5965 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5968 * tree-vrp.c (vrp_evaluate_conditional): With
5969 -Wtype-limits, emit a warning when comparing against a
5970 constant outside the natural range of OP0's type.
5971 * c.opt (Wtype-limits): Move ...
5972 * common.opt (Wtype-limits): ... here.
5974 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5976 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5977 * config/rs6000/e300c2c3.md: New file.
5978 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5980 (rs6000_override_options): Add e300c2 and e300c3 cases to
5981 processor_target_table. Do not allow usage of Altivec or Spe
5982 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5983 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5984 * config/rs6000/rs6000.h (processor_type): Add
5985 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5986 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5987 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5988 and ppce300c3. Include e300c2c3.md.
5990 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5992 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5993 instead of TARGET_STRICT_ALIGN.
5995 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5997 * explow.c (memory_address): Assert that the generated address is
6000 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6003 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
6004 * config/darwin-ppc-ldouble-patch.def: New file.
6005 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
6006 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
6007 SUBTARGET_INIT_BUILTINS if defined.
6008 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
6011 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
6014 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
6015 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
6017 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
6020 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
6021 file" warning condtional on -Winvalid-PCH.
6023 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
6025 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
6027 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
6031 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
6032 prevent reload from using MMX registers.
6033 (*mov<mode>_internal): Ditto.
6034 (*movv2sf_internal_rex64): Ditto.
6035 (*movv2sf_internal): Ditto.
6037 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6039 PR documentation/31569
6040 * doc/install.texi2html: Use makeinfo --no-number-sections.
6042 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6044 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
6045 ensure that we can address an entire entity > 8 bytes. Don't
6046 generate reg+reg addressing for such data.
6048 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6050 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
6051 strings when optimizing for size, unless the target cares about
6054 2008-02-22 Tom Tromey <tromey@redhat.com>
6056 * regclass.c (current_pass): Remove declaration.
6058 2008-02-22 Anatoly Sokolov <aesok@post.ru>
6060 * config/avr/libgcc.S (__RAMPZ__): Define.
6061 (__do_copy_data): Add for devices with 128KB code memory.
6063 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
6065 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6067 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6069 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
6071 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
6074 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6077 * c-typeck.c (build_binary_op): Warn about floating point
6078 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
6080 2008-02-21 Janis Johnson <janis187@us.ibm.com>
6083 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
6084 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
6086 (rs6000_override_options): Set altivec_abi as default, not override,
6087 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
6088 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
6089 is used; use new member spe_abi.
6090 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
6091 spe_abi and altivec_abi.
6093 2008-02-22 Tomas Bily <tbily@suse.cz>
6095 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
6097 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6100 * config.build (build_file_translate): Set to `CMD //c' only if
6102 * Makefile.in (build_file_translate): Improve comment.
6104 2008-02-21 Jan Hubicka <jh@suse.cz>
6106 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
6107 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
6108 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
6110 2008-02-21 Michael Matz <matz@suse.de>
6113 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
6115 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
6117 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
6118 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
6120 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
6121 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
6122 SSE_VEC_FLOAT_MODE_P as insn constraint.
6123 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
6124 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
6125 sse4a_movntdf using MODEF mode iterator.
6126 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
6127 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
6128 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
6129 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
6130 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
6131 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
6132 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
6134 2008-02-21 Richard Guenther <rguenther@suse.de>
6136 * tree.def (PAREN_EXPR): New tree code.
6137 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
6139 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
6140 * expr.c (expand_expr_real_1): Likewise.
6141 * tree-inline.c (estimate_num_insns_1): Likewise.
6142 * tree-complex.c (expand_complex_move): Likewise.
6143 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
6146 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
6149 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
6151 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
6154 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
6156 * config/sh/sh.c (find_barrier): Don't go past
6157 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
6159 2008-02-20 DJ Delorie <dj@redhat.com>
6161 * config/h8300/h8300.md (insv): Force source operand to be a register.
6163 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
6164 as a jump, not as a plain insn.
6166 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
6168 * doc/invoke.texi (Warning Options): Add new option
6169 -Wframe-larger-than=.
6170 (-Wframe-larger-than): Document.
6172 * flags.h (warn_frame_larger_than, frame_larger_than_size):
6173 Add declarations for new option variables.
6175 * final.c (final_start_function): Check the frame size
6176 before emission and issue a Wframe-larger-than warning.
6178 * opts.c (warn_frame_larger_than, frame_larger_than_size):
6179 Add definitions for new option variables.
6180 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
6182 * common.opt (Wframe-larger-than=): New option.
6184 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
6186 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
6187 (<sse>_div<mode>3): Ditto.
6188 (<sse>_vmdiv<mode>3): Ditto.
6189 (<sse>_vmsqrt<mode>2): Ditto.
6190 (*smax<mode>3): Ditto.
6191 (sse5_frcz<mode>2): Ditto.
6192 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
6195 2008-02-20 Richard Guenther <rguenther@suse.de>
6198 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
6199 be happy with INTEGRAL_TYPE_P.
6201 2008-02-20 Richard Guenther <rguenther@suse.de>
6203 * fold-const.c (split_tree): Associate floatig-point expressions
6204 if flag_associative_math is set.
6206 2008-02-20 Richard Guenther <rguenther@suse.de>
6208 * tree.h (fold_real_zero_addition_p): Declare.
6209 * fold-const.c (fold_real_zero_addition_p): Export.
6210 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
6211 floating-point operations with zero and one.
6213 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
6215 * doc/install.texi: Correct references to CFLAGS, replacing them
6216 with BOOT_CFLAGS. Document flags used during bootstrap for
6219 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
6221 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
6222 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
6223 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
6225 (smin<mode>3): Ditto from similar patterns.
6226 (smax<mode>3): Ditto.
6227 (*ieee_smin<mode>3): Ditto.
6228 (*ieee_smax<mode>3): Ditto.
6229 * config/i386/sse.md (sse): New mode attribute.
6230 (mov<mode>): Macroize expander from movv4sf and movv2df using
6231 SSEMODEF2P mode iterator.
6232 (<sse>_movnt<mode>): Ditto from similar patterns. Use
6233 SSE_VEC_FLOAT_MODE_P as insn constraint.
6234 (storent<mode>): Ditto.
6235 (storent<mode>): Macroize expander from storentsf and storentdf using
6236 MODEF mode iterator.
6237 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
6238 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
6239 (abs<mode>2): Ditto from similar patterns.
6240 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
6241 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
6242 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
6243 (<sse>_vmsqrt<mode>2): Ditto.
6244 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
6245 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
6246 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
6247 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
6248 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
6249 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
6250 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
6252 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
6253 iterator and SSE_FLOAT_MODE_P as insn constraint.
6254 (<sse>_ucomi): Ditto from similar patterns.
6255 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
6256 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
6257 SSE_VEC_FLOAT_MODE_P as insn constraint.
6258 (vcond<mode>): Ditto from similar patterns.
6259 (and<mode>3, *and<mode>3): Ditto.
6260 (<sse>_nand<mode>3): Ditto.
6261 (ior<mode>3, *ior<mode>3): Ditto.
6262 (xor<mode>3, *xor<mode>3): Ditto.
6263 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
6264 iterator and SSE_FLOAT_MODE_P as insn constraint.
6265 (*nand<mode>3): Ditto from similar patterns.
6266 (*ior<mode>3): Ditto.
6267 (*xor<mode>3): Ditto.
6269 2008-02-20 Ira Rosen <irar@il.ibm.com>
6271 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
6272 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
6273 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
6275 2008-02-19 Jan Hubicka <jh@suse.cz>
6277 * predict.c (tree_bb_level_predictions): Remove variable next
6278 mistakely introduced by previous commit.
6280 2008-02-19 Jan Hubicka <jh@suse.cz>
6282 * predict.c (predict_paths_leading_to): Rewrite.
6283 (predict_paths_for_bb): New.
6284 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
6286 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6289 * Makefile.in (build_file_translate): New.
6290 (gcc-vers.texi): Use it for translating $(abs_srcdir).
6291 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
6292 * configure.ac (build_file_translate): Substitute it.
6293 * configure: Regenerate.
6295 2008-02-19 Jan Hubicka <jh@suse.cz>
6297 PR rtl-optimization/34408
6298 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
6301 2008-02-19 Jan Hubicka <jh@suse.cz>
6304 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
6307 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
6310 * config/i386/i386-modes.def: Revert the last DI alignment
6311 change until Ada people can look into it.
6313 2008-02-19 Nick Clifton <nickc@redhat.com>
6315 * opts.c (print_specific_help): Fix typo in --help text.
6317 2008-02-19 Jakub Jelinek <jakub@redhat.com>
6320 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
6321 32-bit inline asm without asm alternatives for host GCC < 3.0.
6323 2008-02-19 Richard Guenther <rguenther@suse.de>
6325 PR tree-optimization/34989
6326 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
6327 Allow propagation to INDIRECT_REF if we can simplify only.
6329 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6331 * c-common.c (warn_for_collisions_1): Use appropriate option when
6334 2008-02-19 Nick Clifton <nickc@redhat.com>
6337 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
6338 (handle_options): Fix indentation.
6339 (print_filtered_help): If no language-specific options were
6340 displayed tell the user how to list all the options supported by
6341 the language's front-end.
6342 (print_specific_help): Fix indentation and remove duplicate line.
6343 (common_handle_option): Handle the -v option.
6344 For --help enable the display of undocumented options if the -v
6345 switch has been included on the command line.
6346 For --help= check for overlaps in the arguments between the option
6347 classes and the language names and issue a warning when they
6348 cannot be disambiguated.
6349 * c.opt (v): Pass on to the common option handler.
6351 2008-02-19 Revital Eres <eres@il.ibm.com>
6353 * modulo-sched.c (sms_schedule): Change dump message when
6354 create_ddg function fails.
6355 (try_scheduling_node_in_cycle): Rename row to cycle.
6356 (print_partial_schedule): Rename CYCLE to ROW.
6358 2008-02-19 Christian Bruel <christian.bruel@st.com>
6359 Zdenek Dvorak <ook@ucw.cz>
6361 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
6363 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6366 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
6367 (*x86_movdicc_0_m1_se): Ditto.
6369 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6371 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
6372 (CMPtype): Define as __gcc_CMPtype.
6373 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
6374 (CMPtype): Define as __gcc_CMPtype.
6376 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
6378 Support valgrind 3.3 for --enable-checking=valgrind.
6379 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
6381 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
6382 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
6383 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
6384 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
6385 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
6386 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
6387 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
6389 * ggc-zone.c: Similar.
6390 * ggc-page.c: Similar.
6392 2008-02-19 Paul Brook <paul@codesourcery.com>
6395 * config/arm/ieee754-df.S: Fix do_it typo.
6396 * config/arm/ieee754-sf.S: Fix do_it typo.
6398 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6401 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
6402 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
6403 (OPTION_MASK_ISA_SSE_SET): Likewise.
6404 (OPTION_MASK_ISA_SSE2_SET): Likewise.
6405 (OPTION_MASK_ISA_SSE3_SET): Likewise.
6406 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
6407 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
6408 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
6409 (OPTION_MASK_ISA_SSE4_SET): Likewise.
6410 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
6411 (OPTION_MASK_ISA_SSE5_SET): Likewise.
6412 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
6413 (OPTION_MASK_ISA_MMX_UNSET): Updated.
6414 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
6415 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
6416 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
6417 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
6418 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
6419 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
6420 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
6421 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
6422 (OPTION_MASK_ISA_SSE4): Removed.
6423 (ix86_handle_option): Turn on bits in ix86_isa_flags and
6424 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
6425 (override_options): Don't turn on implied SSE/MMX bits in
6428 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6430 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6433 2008-02-18 Joey Ye <joey.ye@intel.com>
6436 * tree-nested.c (insert_field_into_struct): Set type alignment
6437 to field alignment if the former is less than the latter.
6439 2008-02-18 Jakub Jelinek <jakub@redhat.com>
6441 * BASE-VER: Set to 4.4.0.
6443 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6445 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
6446 * doc/cfg.texi: Likewise.
6447 * doc/extend.texi: Likewise.
6448 * doc/gty.texi: Likewise.
6449 * doc/invoke.texi: Likewise.
6450 * doc/loop.texi: Likewise.
6451 * doc/md.texi: Likewise.
6452 * doc/passes.texi: Likewise.
6453 * doc/rtl.texi: Likewise.
6454 * doc/sourcebuild.texi: Likewise.
6455 * doc/tm.texi: Likewise.
6456 * doc/tree-ssa.texi: Likewise.
6458 2008-02-17 Richard Guenther <rguenther@suse.de>
6461 * tree-complex.c (init_parameter_lattice_values): Handle parameters
6462 without default definition.
6464 2008-02-17 Richard Guenther <rguenther@suse.de>
6466 PR tree-optimization/35231
6467 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
6470 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
6473 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6474 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6475 libgcc_cmp_return mode.
6477 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6480 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6482 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
6484 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6487 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6489 * doc/c-tree.texi: Use `@.' where appropriate.
6490 * doc/extend.texi: Likewise.
6491 * doc/install.texi: Likewise.
6492 * doc/invoke.texi: Likewise.
6493 * doc/loop.texi: Likewise.
6494 * doc/makefile.texi: Likewise.
6495 * doc/md.texi: Likewise.
6496 * doc/passes.texi: Likewise.
6497 * doc/standards.texi: Likewise.
6498 * doc/tm.texi: Likewise.
6500 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6503 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6505 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6506 rather than in entry_bb.
6508 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6510 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6511 libgcc_cmp_return mode.
6513 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6516 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6517 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6519 2008-02-15 Richard Guenther <rguenther@suse.de>
6520 Zdenek Dvorak <ook@ucw.cz>
6522 PR tree-optimization/35164
6523 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6524 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6525 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6526 Only propagate addresses which do not have abnormal SSA_NAMEs
6529 2008-02-15 Joseph Myers <joseph@codesourcery.com>
6532 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6534 2008-02-15 Jan Hubicka <jh@suse.cz>
6537 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6539 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6542 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6543 when calculating alignment_pad.
6545 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6547 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6548 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6549 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6550 and STACK_BOUNDARY define.
6552 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
6554 PR preprocessor/35061
6555 * c-pragma.c (handle_pragma_pop_macro): Check that
6556 pushed_macro_table has been allocated.
6558 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
6561 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6562 (force_gimple_operand): Likewise.
6563 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6564 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6565 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6566 (find_interesting_uses_address): Check addressability and alignment
6567 of the base expression only after substituting bases of IVs into it.
6569 2008-02-14 Michael Matz <matz@suse.de>
6572 * function.c (instantiate_virtual_regs_in_insn): Reload address
6573 before falling back to reloading the whole operand.
6575 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
6577 * config/s390/s390.c (s390_mainpool_start): Emit the pool
6578 before the first section switch note.
6580 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6582 * doc/bugreport.texi: Update copyright years.
6583 * doc/c-tree.texi: Likewise.
6584 * doc/cfg.texi: Likewise.
6585 * doc/cpp.texi: Likewise.
6586 * doc/cppinternals.texi: Likewise.
6587 * doc/fragments.texi: Likewise.
6588 * doc/frontends.texi: Likewise.
6589 * doc/gcc.texi: Likewise.
6590 * doc/gty.texi: Likewise.
6591 * doc/hostconfig.texi: Likewise.
6592 * doc/implement-c.texi: Likewise.
6593 * doc/libgcc.texi: Likewise.
6594 * doc/loop.texi: Likewise.
6595 * doc/makefile.texi: Likewise.
6596 * doc/options.texi: Likewise.
6597 * doc/passes.texi: Likewise.
6598 * doc/rtl.texi: Likewise.
6599 * doc/sourcebuild.texi: Likewise.
6600 * doc/standards.texi: Likewise.
6601 * doc/tree-ssa.texi: Likewise.
6602 * doc/trouble.texi: Likewise.
6604 * doc/extend.texi: Use @: or add comma where appropriate.
6605 * doc/invoke.texi: Likewise.
6606 * doc/tm.texi: Likewise.
6608 2008-02-14 Alan Modra <amodra@bigpond.net.au>
6611 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6614 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
6616 * doc/md.texi (clz, ctz): Add reference.
6617 * doc/rtl.texi (clz, ctz): Likewise.
6619 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6622 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6625 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
6627 * config/s390/s390.c (struct constant_pool): New field
6628 emit_pool_after added.
6629 (s390_mainpool_start): Set the emit_pool_after flag according
6630 to the section switch notes.
6631 (s390_mainpool_finish): Consider emit_pool_after when emitting
6632 the literal pool at the end of the function.
6633 (s390_chunkify_start): Force literal pool splits at section
6636 2008-02-13 Michael Matz <matz@suse.de>
6639 * var-tracking.c (clobber_variable_part): Correctly traverse the
6642 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6645 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6646 Add -fdump-ipa-inline.
6647 * tree-dump.c (dump_files): Remove tree-inlined dump.
6648 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6650 2008-02-12 Richard Guenther <rguenther@suse.de>
6652 PR tree-optimization/35171
6653 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6656 2008-02-12 Richard Guenther <rguenther@suse.de>
6659 * fold-const.c (fold_widened_comparison): Use get_unwidened in
6660 value-preserving mode. Disallow final truncation.
6662 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
6665 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6666 code from here to...
6667 (force_gimple_operand): ...here.
6669 2008-02-12 Jakub Jelinek <jakub@redhat.com>
6672 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6673 non-compatible pointers.
6674 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6675 different FIELD_DECLs, try harder by comparing field offsets, sizes
6679 * function.c (match_asm_constraints_1): Don't replace the same input
6682 2008-02-12 Anatoly Sokolov <aesok@post.ru>
6684 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6685 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6686 (expand_epilogue): Restore RAMPZ register.
6687 * config/avr/avr.md (RAMPZ_ADDR): New constant.
6689 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
6691 * config/i386/cygwin.asm: (__alloca): Correct calling
6692 convention and alignment.
6693 (__chkstk): Force 8 byte stack alignment.
6695 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
6696 Richard Guenther <rguenther@suse.de>
6698 PR tree-optimization/33992
6699 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6700 the zero we compare against.
6702 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
6705 * gthr-win32.h (__gthread_mutex_destroy_function): New function
6706 to CloseHandle after unlocking to prevent accumulation of handle
6709 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6712 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6713 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
6714 and update LABEL_NUSES during and after reload.
6716 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
6719 * combine.c (simplify_if_then_else): Make sure the comparison is
6720 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6722 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
6725 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6726 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6727 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6728 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6729 * tree.h (get_type_static_bounds): Likewise.
6731 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6733 * doc/invoke.texi (Option Summary, C++ Dialect Options)
6734 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6735 Make -Wfoo language annotations match what the compiler outputs.
6737 2008-02-08 Sa Liu <saliu@de.ibm.com>
6739 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
6740 intrinsics spu_convts, spu_convtu, spu_convtf.
6742 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
6744 * doc/extend.texi (Function Attributes) <noinline>: Mention
6745 asm ("") as method to keep calls.
6747 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6750 * doc/options.texi (Options): Replace references to opts.sh with
6752 * opts-common.c: Likewise.
6753 * optc-gen.awk: Likewise.
6755 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
6757 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6759 2008-02-07 Richard Henderson <rth@redhat.com>
6762 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6763 EXPR_LIST for the REG_EQUAL instead of a comparison with a
6766 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
6768 PR tree-optimization/35085
6769 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6770 for operand entry oe2 in addition to operand entry oe3 in order to
6771 expose more opportunities for vectorizer sum reduction.
6773 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6776 * Makefile.in (LIBS): Remove $(GMPLIBS).
6777 (cc1-dummy, cc1): Add $(GMPLIBS).
6779 2008-02-06 Jan Hubicka <jh@suse.cz>
6782 * i386.md (moddf_integer): Do not produce partial memory stalls for
6783 targets where it hurts.
6785 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6788 * optabs.c (expand_float): Do not check for decimal modes when
6789 expanding unsigned integer through signed conversion.
6791 2008-02-06 Nick Clifton <nickc@redhat.com>
6793 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6794 inside the clobber with a match_operand and duplicated operand
6795 number in the constraint.
6796 (ineqbranchsi): Delete redundant comment.
6798 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6800 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6801 builtin_define ("__USE_INIT_FINI__").
6802 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6804 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6806 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6808 PR documentation/30330
6809 * doc/invoke.texi (C++ Dialect Options)
6810 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6811 For each warning option -Wfoo that allows -Wno-foo, ensure both
6812 -Wfoo and -Wno-foo are listed in the option index. Fix index
6813 entry of -Wswitch-default, index -Wnormalized= including the
6814 `=', and -Wlarger-than-@var{len} including @var{len}.
6816 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6818 * config/i386/i386.md (floatunssisf2): Use
6819 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6820 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6821 Macroize expander using MODEF mode iterator.
6823 2008-02-05 Diego Novillo <dnovillo@google.com>
6825 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6828 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6830 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6833 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6835 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6838 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6839 to indicate if a message should be generated.
6840 (init_cumulative_args): Updated.
6841 (function_value_32): Likewise.
6843 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6845 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6847 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6850 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6851 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6853 2008-02-04 Diego Novillo <dnovillo@google.com>
6855 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6858 * tree-vrp.c (vrp_evaluate_conditional): With
6859 -Wtype-limits, emit a warning when comparing against a
6860 constant outside the natural range of OP0's type.
6862 2008-02-04 Richard Guenther <rguenther@suse.de>
6865 * expr.c (count_type_elements): Give for unions instead of
6868 2008-02-04 Richard Guenther <rguenther@suse.de>
6871 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6872 to TYPE_DOMAINs base type instead of using bitsizetype here.
6874 2008-02-03 Jason Merrill <jason@redhat.com>
6876 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6878 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6881 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6882 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6883 (RS/6000 and PowerPC Options): Fix typos and markup.
6884 * doc/passes.texi (Tree-SSA passes): Likewise.
6886 2008-02-02 Michael Matz <matz@suse.de>
6889 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6890 from record_last_reg_set_info.
6891 (record_last_reg_set_info): Take an RTX argument, iterate over all
6892 constituent hardregs.
6893 (record_last_set_info, record_opr_changes): Change calls to
6894 new signature or to record_last_reg_set_info_regno.
6896 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6898 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6900 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6902 PR rtl-optimization/34773
6903 * reg-notes.def (EQUAL): Mention significance of combination of
6904 REG_EQUAL and REG_RETVAL.
6905 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6906 insn that has a REG_RETVAL.
6908 2008-02-01 Roger Sayle <roger@eyesopen.com>
6911 * configure.ac (--enable-fixed-point): Disable unless explicitly
6913 * configure: Regenerate.
6915 2008-02-01 Richard Guenther <rguenther@suse.de>
6918 * invoke.texi (-finline-limit): Remove no longer true parts
6919 of the documentation. Note that there is no default value.
6921 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6922 Mark Mitchell <mark@codesourcery.com>
6923 Ben Elliston <bje@au.ibm.com>
6926 * doc/extend.texi (Other Builtins): Document.
6928 2008-01-31 Tom Browder <tom.browder@gmail.com>
6930 * doc/c-tree.texi (Types): Fix grammar.
6931 (Expression trees): Ditto.
6932 * doc/passes.texi (Tree-SSA passes): Ditto.
6934 * doc/configterms.texi (Configure Terms): Fix typo.
6935 * doc/cpp.texi (Common Predefined Macros): Ditto.
6936 * doc/md.texi (Machine Constraints): Ditto.
6938 * doc/makefile.texi (Makefile): Add comma.
6940 2008-01-31 Tom Browder <tom.browder@gmail.com>
6941 Gerald Pfeifer <gerald@pfeifer.com>
6943 * doc/sourcebuild.texi (Front End): Remove references to CVS
6944 and CVSROOT/modules.
6945 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6946 (Back End): Remove reference to CVS.
6948 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6951 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6953 (mips16_gp_pseudo_reg): ...here.
6954 * config/mips/mips.md (load_const_gp): Replace with...
6955 (load_const_gp_<mode>): ...this :P-based insn.
6957 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6959 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6960 options. Minor fixes.
6961 (-std): Move reference to standards closer to where language
6962 standards are first mentioned.
6964 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6966 PR rtl-optimization/34995
6967 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6968 parameter and return a bool. If the rtx parameter is nonnull,
6969 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6970 (find_reloads): Update call accordingly. Pass the new operand
6971 if it needed no address reloads, otherwise pass null.
6973 2008-01-30 Richard Henderson <rth@redhat.com>
6976 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6977 for unbounded arrays.
6979 2008-01-30 Silvius Rus <rus@google.com>
6981 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6983 2008-01-30 Jan Hubicka <jh@suse.cz>
6986 * i386.c (init_cumulative_args): Use real function declaration when
6989 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6991 PR rtl-optimization/34998
6992 * global.c (build_insn_chain): Treat non-subreg_lowpart
6993 SUBREGs of pseudos as clobbering all the words covered by the
6994 SUBREG, not just all the bytes.
6995 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6996 original df_ref rather than an extract parameter.
6997 (global_conflicts): Update call accordingly.
6999 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
7001 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
7002 the overflow check to make it easier to read.
7003 (__fixtfdi): Change the type of the ll member in union
7004 long_double to UDItype_x.
7006 2008-01-30 Jakub Jelinek <jakub@redhat.com>
7009 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
7010 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
7011 * tree-inline.c (fold_marked_statements): Call
7012 cgraph_update_edges_for_call_stmt if folding a call statement.
7013 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
7014 debug_generic_stmt calls, reset it back afterwards.
7017 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
7019 * c-typeck.c (build_external_ref): Don't pedwarn about
7020 static vars in current function's scope.
7022 2008-01-29 Joseph Myers <joseph@codesourcery.com>
7024 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
7026 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
7029 * ipa-struct-reorg.c: Fix spelling.
7030 * params.def: Ditto.
7032 2008-01-29 Richard Guenther <rguenther@suse.de>
7035 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
7037 * tree-inline.c (remap_type): Increment remapping_type_depth
7038 around remapping types.
7039 (copy_body_r): Only add referenced variables if they are referenced
7040 from code, not types.
7042 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
7053 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
7054 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
7056 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
7059 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
7060 pointer for tiny stack.
7062 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
7064 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
7066 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
7068 * config/vx-common.h: Fix typo in comment.
7070 2008-01-28 Ian Lance Taylor <iant@google.com>
7074 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
7075 coalesce pointers if they have different DECL_NO_TBAA_P values.
7076 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
7077 between variables with different DECL_NO_TBAA_P values.
7079 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
7082 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
7083 are not legitimate small data references on SPE targets.
7085 2008-01-28 David Daney <ddaney@avtrex.com>
7087 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
7089 2008-01-28 David Daney <ddaney@avtrex.com>
7091 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
7093 2008-01-27 Joseph Myers <joseph@codesourcery.com>
7095 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
7096 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
7097 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
7098 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
7099 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
7100 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
7101 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
7102 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
7104 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7106 * basic-block.h (condjump_equiv_p): Fix comment.
7108 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7110 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
7111 print_generic_stmt_indented): Fix comment.
7113 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
7115 * configure.ac (__stack_chk_fail): Add detecion for availability
7116 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
7117 * configure: Regenerate.
7119 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
7122 * final.c (output_addr_const): Handle TRUNCATE.
7124 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
7127 * tree-ssa-loop-ivopts.c (comp_cost): New type.
7128 (zero_cost, infinite_cost): New constants.
7129 (struct cost_pair): Change type of cost to comp_cost.
7130 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
7131 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
7133 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
7134 split_address_cost, ptr_difference_cost, difference_cost,
7135 get_computation_cost_at, get_computation_cost,
7136 determine_use_iv_cost_generic, determine_use_iv_cost_address,
7137 determine_use_iv_cost_condition, determine_use_iv_costs,
7138 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
7139 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
7140 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
7141 Change type of cost to comp_cost.
7142 (determine_iv_cost): Increase cost of non-original ivs, instead
7143 of decreasing the cost of original ones.
7144 (get_address_cost): Indicate the complexity of the addressing mode
7146 (try_add_cand_for): Prefer using ivs not specific to some object.
7147 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
7149 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
7150 Janis Johnson <janis187@us.ibm.com>
7153 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
7154 (TARGET_INSTANTIATE_DECLS): Likewise.
7155 * target.h (expand_to_rtl_hook): New target hook.
7156 (instantiate_decls): Likewise.
7157 * function.c (instantiate_decl): Make non-static. Rename to...
7158 (instantiate_decl_rtl): ... this.
7159 (instantiate_expr): Use instantiate_decl_rtl.
7160 (instantiate_decls_1): Likewise.
7161 (instantiate_decls): Likewise.
7162 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
7163 * function.h (instantiate_decl_rtl): Add prototype.
7164 * cfgexpand.c (target.h): New include.
7165 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
7166 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
7167 (TARGET_INSTANTIATE_DECLS): Likewise.
7168 (TARGET_INITIALIZER): New target hooks added.
7169 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7171 * config/rs6000/rs6000.c (tree-flow.h): New include.
7172 (machine_function): Add sdmode_stack_slot field.
7173 (rs6000_alloc_sdmode_stack_slot): New function.
7174 (rs6000_instantiate_decls): Likewise.
7175 (rs6000_secondary_memory_needed_rtx): Likewise.
7176 (rs6000_check_sdmode): Likewise.
7177 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
7178 (TARGET_INSTANTIATE_DECLS): Likewise.
7179 (rs6000_hard_regno_mode_ok): Allow SDmode.
7180 (num_insns_constant): Likewise. Handle _Decimal32 constants.
7181 (rs6000_emit_move): Handle SDmode.
7182 (function_arg_advance): Likewise.
7183 (function_arg): Likewise.
7184 (rs6000_gimplify_va_arg): Likewise. Add special handling of
7185 SDmode var args for 32-bit compiles.
7186 (rs6000_secondary_reload_class): Handle SDmode.
7187 (rs6000_output_function_epilogue): Likewise.
7188 (rs6000_function_value): Simplify if statement.
7189 (rs6000_libcall_value): Likewise.
7190 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
7191 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
7192 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
7193 (movsd_hardfloat): New define_insn.
7194 (movsd_softfloat): Likewise.
7195 (movsd_store): Likewise.
7196 (movsd_load): Likewise.
7197 (extendsddd2): Likewise.
7198 (extendsdtd2): Likewise.
7199 (truncddsd2): Likewise.
7200 (movdd_hardfloat64): Fixup comment.
7201 (UNSPEC_MOVSD_LOAD): New constant.
7202 (UNSPEC_MOVSD_STORE): Likewise.
7204 2008-01-26 Jakub Jelinek <jakub@redhat.com>
7207 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
7209 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
7210 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
7211 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
7214 2008-01-26 David Edelsohn <edelsohn@gnu.org>
7217 * config.gcc: Separate AIX 5.3 from AIX 6.1.
7218 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7219 __LONGDOUBLE128 too.
7220 * config/rs6000/aix61.h: New file.
7222 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
7224 PR rtl-optimization/34959
7225 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
7226 popcount and parity rtxes the same mode as their operand.
7227 Truncate or extend the result to the return value's mode
7230 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
7233 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
7234 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
7235 to GOT_VERSION_REGNUM.
7236 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
7237 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
7238 * config/mips/mips.c (mips_emit_call_insn): New function.
7239 (mips_call_tls_get_addr): Call mips_expand_call directly.
7240 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
7242 (mips16_build_call_stub): Likewise. Return the call insn or null.
7243 (mips_expand_call): Update the call to mips16_build_call_stub
7244 accordingly and a remove redundant condition. Assert that MIPS16
7245 stubs do not use lazy binding. Use mips_emit_call_insn and return
7247 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
7249 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
7250 (mips_avoid_hazard): Remove hazard_set handling.
7251 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
7252 (UNSPEC_RESTORE_GP): ...this.
7253 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
7254 (FAKE_CALL_REGNO): Rename to...
7255 (GOT_VERSION_REGNUM): ...this.
7256 (type): Add "ghost" value. Add an associated insn reservation.
7257 (hazard_set): Remove.
7258 (exception_receiver): Rename to...
7259 (restore_gp): ...this and update the unspec identifier accordingly.
7260 (exception_receiver, nonlocal_got_receiver): New expanders.
7261 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
7262 FAKE_CALL_REGNO. Remove hazard_set attribute.
7263 (set_got_version, update_got_version): New patterns.
7265 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
7268 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
7270 2008-01-25 Joseph Myers <joseph@codesourcery.com>
7273 * doc/install.texi2html: Generate gcc-vers.texi.
7275 2008-01-25 DJ Delorie <dj@redhat.com>
7277 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7279 2008-01-25 Joseph Myers <joseph@codesourcery.com>
7281 * config/c4x: Remove directory.
7282 * config.gcc (crx-*, mt-*): Mark obsolete.
7283 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
7284 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
7285 sh-*-rtemscoff*): Remove cases.
7286 * defaults.h (C4X_FLOAT_FORMAT): Remove.
7287 * real.c (encode_c4x_single, decode_c4x_single,
7288 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
7289 c4x_extended_format): Remove.
7290 * real.h (c4x_single_format, c4x_extended_format): Remove.
7291 * doc/extend.texi (interrupt, naked): Remove mention of attributes
7293 (Pragmas): Remove comment about c4x pragmas.
7294 * doc/install.texi (c4x): Remove target-specific instructions.
7295 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
7296 * doc/md.texi (Machine Constraints): Remove C4x documentation.
7297 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
7298 refer to C4x source files as examples.
7299 (C4X_FLOAT_FORMAT): Remove documentation.
7301 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
7303 * config/bfin/bfin.c (override_options): Reorder tests so that
7304 flag_pic gets enabled for -msep-data.
7306 2008-01-25 Richard Guenther <rguenther@suse.de>
7309 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
7310 to its bitfield precision if required.
7312 2008-01-25 Jakub Jelinek <jakub@redhat.com>
7315 * tree-nested.c (walk_omp_for): New function.
7316 (convert_nonlocal_reference, convert_local_reference): Call
7317 walk_omp_for on OMP_FOR.
7318 (convert_call_expr): Call walk_body on OMP_FOR's
7319 OMP_FOR_PRE_INIT_BODY.
7321 2008-01-25 Richard Guenther <rguenther@suse.de>
7323 PR tree-optimization/34966
7324 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
7325 default defs and PHI_NODEs we have to insert after the
7328 2008-01-24 Nick Clifton <nickc@redhat.com>
7330 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
7331 Provide a default definition.
7332 (LIBGCC2_UNITS_PER_WORD): Likewise.
7334 * config/stormy16/stormy16.c: Include df.h for the prototype
7335 for df_regs_ever_live_p.
7336 (xstormy16_expand_builtin_va_start): Convert the stack offset
7337 into a component_ref and then use POINTER_PLUS_EXPR to add it
7338 to the incoming_virtual_args_rtx.
7339 (xstormy16_gimplify_va_arg_expr): Rename to
7340 xstormy16_gimplify_va_arg_expr.
7341 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
7342 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
7343 xstormy16_gimplify_va_arg_expr.
7344 Fix up some formatting issues.
7346 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
7347 Move to predicates.md.
7348 (xs_hi_general_operand): Likewise.
7349 (xs_hi_nonmemory_operand): Likewise.
7350 * config/stormy16/predicates.md:
7351 (xstormy16_carry_plus_operand): New predicate.
7352 (xs_hi_general_operand): New predicate.
7353 (xs_hi_nonmemory_operand): New predicate.
7354 * config/stormy16/stormy16-protos.h:
7355 (xstormy16_carry_plus_operand): Delete prototype.
7356 (xs_hi_general_operand): Likewise.
7357 (xs_hi_nonmemory_operand): Likewise.
7359 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
7360 modifiers as they are no longer needed and they can trigger
7361 reload spill failures.
7363 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
7364 with a match_operand in order to help reload.
7366 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
7367 constraint with 'e' for the 8th alternative as this version of
7368 the mov.w instruction only accepts the lower 8 registers.
7370 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
7373 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
7374 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
7377 2008-01-25 Jakub Jelinek <jakub@redhat.com>
7380 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
7382 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7384 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
7386 (remove_structure): Update allocations list before removing structure.
7388 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7390 * ipa-struct-reorg.c (is_safe_cond_expr,
7391 create_new_stmts_for_cond_expr): Use integer_zerop function,
7392 that recognize not only zero-pointer, but zero-integer too.
7394 2008-01-25 Ben Elliston <bje@au.ibm.com>
7397 * fixproto: Escape "." in sed expression that strips leading "./".
7399 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
7402 * gcc.c (SWITCH_OK): Removed.
7403 (SWITCH_LIVE): Changed to bit.
7404 (SWITCH_FALSE): Likewise.
7405 (SWITCH_IGNORE): Likewise.
7406 (switchstr): Change live_cond to unsigned int.
7407 (process_command): Replace SWITCH_OK with 0.
7408 (do_self_spec): Likewise.
7409 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
7410 (give_switch): Likewise.
7411 (used_arg): Likewise.
7412 (do_spec_1): Set the SWITCH_IGNORE bit.
7413 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
7414 bits. Set the SWITCH_LIVE bit.
7416 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
7418 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
7420 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
7422 PR tree-optimization/34472
7423 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
7424 parameter to a "bool *" and set *DATA to false if there is
7425 an unsafe access. Do not delete the structure here.
7426 (check_cond_exprs): Delete it here instead.
7427 (check_cond_exprs, exclude_cold_structs): Do not increase
7428 I when removing a structure.
7430 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
7433 * config/i386/i386.c (ix86_expand_vector_init): Consider only
7434 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
7436 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
7439 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
7440 a fixed vector for stack.
7442 2008-01-24 Ben Elliston <bje@au.ibm.com>
7445 * doc/gcc.texi (Software development): Add a direntry for g++.
7447 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
7449 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
7450 stale and straggling -fforce-addr comments above.
7452 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
7454 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
7455 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
7457 2008-01-23 Michael Matz <matz@suse.de>
7460 * dwarf2out.c (force_type_die): Use modified_type_die instead of
7463 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
7465 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
7468 2008-01-23 Anatoly Sokolov <aesok@post.ru>
7470 * config/avr/avr.c (avr_current_arch): New variable.
7471 (avr_arch_types): Add 'avr31' and 'avr51' entries.
7472 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7473 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7474 (avr_override_options): Init 'avr_current_arch'.
7475 (base_arch_s): Move from here...
7476 * config/avr/avr.h (base_arch_s): ... here. Add new members
7477 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
7478 'mega' to 'have_jmp_call'.
7479 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
7480 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
7482 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
7484 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7485 MULTILIB_MATCHES): (Ditto.).
7487 2008-01-23 Richard Guenther <rguenther@suse.de>
7490 * cgraphunit.c (cgraph_reset_node): Always mark the node
7491 not reachable if it is not queued already.
7493 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
7495 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7496 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7497 (cputype_selected): New static variable.
7498 (bfin_handle_option): Set it if -mcpu is used.
7499 (override_option): Select default set of workarounds if no cpu type
7500 selected on the command line.
7501 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7503 From Michael Frysinger <michael.frysinger@analog.com>
7504 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7505 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7507 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7508 for bf547, bf523, bf524, and bf526.
7509 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
7511 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7512 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7513 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7514 __ADSPBF547__ and __ADSPBF54x__ for bf547.
7515 * doc/invoke.texi (Blackfin Options): Document that
7516 -mcpu now accept bf547, bf523, bf524, and bf526.
7518 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
7520 PR rtl-optimization/34628
7521 * combine.c (try_combine): Stop and undo after the first combination
7522 if an autoincrement side-effect on the first insn has effectively
7525 2008-01-22 David Edelsohn <edelsohn@gnu.org>
7528 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7529 Offset addresses are not valid for Altivec or paired float modes.
7531 2008-01-22 Jakub Jelinek <jakub@redhat.com>
7534 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7535 if DECL_INITIAL (decl) is error_mark_node.
7538 * c-common.c (handle_vector_size_attribute): Only allow
7539 integral, scalar float and fixed point types. Handle OFFSET_TYPE
7540 the same way as pointer, array etc. types.
7541 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7544 * tree.c (build_type_attribute_qual_variant): Call
7545 build_qualified_type if attributes are equal, but quals are not.
7547 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7550 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7551 * flags.h (warn_strict_aliasing): Remove.
7552 (warn_strict_overflow): Remove.
7553 * opts.c (warn_strict_aliasing): Remove.
7554 (warn_strict_overflow): Remove.
7555 * c-opts.c (c_common_handle_option): -Wall only sets
7556 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7557 (c_common_post_options): Give default values to -Wstrict-aliasing
7558 and -Wstrict-overflow if they are uninitialized.
7559 * common.opt (Wstrict-aliasing): Specify Var and Init.
7560 (Wstrict-overflow): Likewise.
7562 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7564 PR rtl-optimization/26854
7565 PR rtl-optimization/34400
7566 PR rtl-optimization/34884
7567 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7569 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7570 (df_rd_bb_info.expanded_lr_out): Deleted
7571 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7572 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
7573 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7574 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7575 Removed code to allocate, initialize or free expanded_lr_out.
7576 (df_rd_bb_local_compute_process_def): Restructured to make more
7578 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7579 sets if the sets are being trimmed.
7581 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
7584 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7585 (as_vers): Likewise.
7586 * configure: Regenerated.
7588 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7591 * tree-pass.h (pass_build_alias): New pass.
7592 * tree-ssa-alias.c (gate_build_alias): New.
7593 (pass_build_alias): New.
7594 * passes.c (init_optimization_passes): Add pass_build_alias after
7595 pass_create_structure_vars.
7597 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
7599 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7600 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7601 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7602 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7603 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7604 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7605 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7606 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7607 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7608 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7609 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7610 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7611 * config/s390/s390.md (FP_ALL): New mode iterator.
7612 (_d): New mode attribute.
7613 ("*signbit<mode>2>"): Changed mode of first operand.
7614 ("isinf<mode>2"): Changed mode of first operand.
7615 ("*TDC_insn"): Adaptation for DFP modes.
7617 2008-01-22 Ben Elliston <bje@au.ibm.com>
7619 * tree.c (check_qualified_type): Improve function description.
7621 2008-01-21 Jason Merrill <jason@redhat.com>
7624 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7625 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7628 2008-01-21 DJ Delorie <dj@redhat.com>
7630 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7633 2008-01-21 Richard Guenther <rguenther@suse.de>
7636 * tree-cfg.c (verify_expr): Allow all invariant expressions
7637 instead of just constant class ones as reference argument.
7638 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7639 like any other constant.
7640 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7642 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
7644 * regmove.c (fixup_match_1): Update call crossed frequencies.
7646 2008-01-21 Richard Guenther <rguenther@suse.de>
7649 * tree-inline.c (setup_one_parameter): Deal with mismatched
7650 types using a VIEW_CONVERT_EXPR.
7652 2008-01-21 Alon Dayan <alond@il.ibm.com>
7653 Olga Golovanevsky <olga@il.ibm.com>
7655 PR tree-optimization/34701
7656 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7657 when the structure size is not a power of 2.
7659 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
7661 * doc/install.texi: Add doc for --enable-checking=df.
7663 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
7665 PR rtl-optimization/34808
7666 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7668 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7670 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7673 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7675 PR rtl-optimization/26854
7676 PR rtl-optimization/34400
7677 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7679 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7680 (df_rd_bb_info.expanded_lr_out): New.
7681 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7682 * loop_iv.c (iv_analysis_loop_init): Ditto.
7683 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7684 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7685 Added code to allocate, initialize or free expanded_lr_out.
7686 (df_rd_bb_local_compute_process_def): Restructured to make
7687 more understandable.
7688 (df_rd_confluence_n): Add code to do nothing with fake edges and
7689 code to no apply invalidate_by_call sets if the sets are being trimmed.
7690 (df_lr_local_finalize): Renamed to df_lr_finalize.
7691 (df_live_local_finalize): Renamed to df_live_finalize.
7693 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7696 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7697 deciding whether to use reciprocal instructions.
7699 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
7701 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7702 dwarf2out_note_section_used if cold_text_section is NULL.
7704 2008-01-19 Jakub Jelinek <jakub@redhat.com>
7706 PR gcov-profile/34610
7707 * tree-cfg.c (make_edges): Mark both outgoing edges from
7708 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7709 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7710 from OMP_FOR and OMP_CONTINUE outgoing edges.
7712 * tree-profile.c (tree_profiling): Return early if
7713 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
7715 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7716 from cfun to child_cfun.
7717 * function.h (struct function): Add after_tree_profile bit.
7719 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7721 * config/avr/avr.S (_exit): Disable interrupt.
7723 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
7724 Steven Bosscher <stevenb.gcc@gmail.com>
7726 PR rtl-optimization/26854
7727 PR rtl-optimization/34400
7728 * df-problems.c (df_live_scratch): New scratch bitmap.
7729 (df_live_alloc): Allocate df_live_scratch when doing df_live.
7730 (df_live_reset): Clear the proper bitmaps.
7731 (df_live_bb_local_compute): Only process the artificial defs once
7732 since the order is not important.
7733 (df_live_init): Init the df_live sets only with the variables
7734 found live by df_lr.
7735 (df_live_transfer_function): Use the df_lr sets to prune the
7736 df_live sets as they are being computed.
7737 (df_live_free): Free df_live_scratch.
7739 2008-01-18 Ian Lance Taylor <iant@google.com>
7741 * common.opt: Add fmerge-debug-strings.
7742 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7743 flag_merge_debug_strings rather than flag_merge_constants.
7744 * doc/invoke.texi (Option Summary): Mention
7745 -fmerge-debug-strings.
7746 (Debugging Options): Document -fmerge-debug-strings.
7748 2008-01-18 Ian Lance Taylor <iant@google.com>
7751 * tree.h (DECL_IS_OPERATOR_NEW): Define.
7752 (struct tree_function_decl): Add new field operator_new_flag.
7753 * tree-inline.c (expand_call_inline): When inlining a call to
7754 operator new, force the return value to go into a variable, and
7755 set DECL_NO_TBAA_P on that variable.
7756 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7758 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
7761 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7762 DWARF2_DEBUGGING_INFO.
7763 (dwarf2out_note_section_used): Ditto. Add prototype.
7764 (have_multiple_function_sections, text_section_used,
7765 cold_text_section_used, *cold_text_sections): Move declarations
7768 2008-01-17 Bob Wilson <bob.wilson@acm.org>
7770 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7771 field and add signal_ra.
7772 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7773 assignments to frame state pc. Move end of stack check after
7774 MD_FALLBACK_FRAME_STATE_FOR.
7775 (uw_update_context_1): Use frame state signal_regs if set, instead
7776 of checking signal_frame flag.
7777 (uw_update_context): Use frame state signal_ra if set.
7778 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7779 * config/xtensa/linux-unwind.h: New file.
7781 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7783 * modulo-sched.c (get_sched_window): Fix comment typo.
7785 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7787 PR tree-optimization/34648
7788 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7790 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7792 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7793 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7795 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7797 PR rtl-optimization/34400
7798 * df-core.c (df_worklist_dataflow_overeager,
7799 df_worklist_dataflow_doublequeue): New functions.
7800 (df_worklist_dataflow): Two different worklist solvers.
7801 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7804 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7807 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7808 and ftree-parallelize-loops.
7810 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7812 PR rtl-optimization/34826
7813 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7815 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7817 * global.c (find_reg): Mark the eh regs as used if necessary.
7818 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7819 * ra.h (struct allocno): no_eh_reg field added. Changed
7820 no_stack_reg type to bitfield.
7822 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7824 * tree.c (substitute_in_expr): Add missing 'break'.
7826 2008-01-17 Richard Guenther <rguenther@suse.de>
7828 PR tree-optimization/34825
7829 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7830 x / x as division to handle.
7832 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7834 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7835 "-pthread" is specified.
7836 * pa-hpux11.h (LIB_SPEC): Likewise.
7838 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7839 Peter Bergner <bergner@vnet.ibm.com>
7841 PR rtl-optimization/33796
7842 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7844 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7846 PR libgfortran/34699
7847 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7849 * pa-hpux10.h (LINK_SPEC): Likewise.
7850 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7852 2008-01-16 Richard Guenther <rguenther@suse.de>
7855 * fold-const.c (fold_convert_const_int_from_int): Do not
7856 set overflow if that occured only because of a sign extension
7857 change when converting from/to a sizetype with the same
7858 precision and signedness.
7860 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7863 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7864 location address to the correct place. Update copyright year.
7866 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7868 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7869 no dependences in the dependence_relations vector.
7871 2008-01-16 Jan Hubicka <jh@suse.cz>
7873 PR rtl-optimization/31396
7874 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7875 * cfg.c (dump_reg_info): Print it.
7876 * regs.h (struct reg_info_t): add freq_calls_crossed.
7877 (REG_FREQ_CALLS_CROSSED): New macro.
7878 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7879 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7880 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7881 regmove_optimize): Update call crossed frequencies.
7882 * local-alloc.c (struct qty): Add freq_calls_crossed.
7883 (alloc_qty): Copute freq_calls_crossed.
7884 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7885 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7886 * ra.h (struct allocno): Add freq_calls_crossed.
7888 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7890 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7891 libgomp when compiling with ftree-parallelize-loops.
7892 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7894 2008-01-16 Richard Guenther <rguenther@suse.de>
7896 PR tree-optimization/34769
7897 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7898 * tree.c (int_cst_value): Instead make this function more
7899 permissive in what it accepts as valid input. Document this
7900 function always sign-extends the value.
7902 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7903 Richard Guenther <rguenther@suse.de>
7906 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7907 (gimple_fold_indirect_ref_rhs): ... this.
7908 (gimple_fold_indirect_ref): New function with foldings
7909 that preserve lvalueness.
7910 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7911 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7912 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7913 to fold an INDIRECT_REF, fall back to the old use of
7914 fold_indirect_ref_1.
7916 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7918 * tree-data-ref.c (subscript_dependence_tester_1): Call
7919 free_conflict_function.
7920 (compute_self_dependence): Same.
7922 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7925 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7926 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7928 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7929 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7930 for DWARF2_UNWIND_INFO targets.
7932 2008-01-16 Richard Guenther <rguenther@suse.de>
7935 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7936 type qualifiers for function types.
7938 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7940 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7941 loop_iterator li from previous commit.
7943 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7945 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7947 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7949 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7950 (parallelize_loops): Don't parallelize irreducible components.
7952 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7955 * c-opts (c_common_post_options): Do not enable CPP
7956 flag_pedantic_errors by default.
7958 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7960 PR rtl-optimization/31944
7961 * cse.c (remove_pseudo_from_table): New function.
7962 (merge_equiv_classes): Use above function to remove pseudo-registers.
7963 (invalidate): Likewise.
7965 2008-01-13 Richard Guenther <rguenther@suse.de>
7968 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7969 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7971 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7973 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7974 validate_change to unshare the source of the PC set.
7976 2008-01-12 Jan Hubicka <jh@suse.cz>
7979 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7980 references above array bounds. This might trigger bounds checks for
7983 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7985 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7986 new_replaceable_dependencies.
7988 2008-01-12 Doug Kwan <dougkwan@google.com>
7990 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7991 instead of OPT_Wreturn_type in warning due to ignored return type
7993 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7994 options included in -Wextra.
7995 * c.opt: New option -Wignored_qualifiers.
7996 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7997 -Wignore_qualifiers.
7998 (-Wignored-qualifiers): Document.
7999 (-Wreturn-type): Remove description of functionality now handled
8000 by -Wignored-qualifiers.
8002 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
8005 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
8006 NOP_EXPR if it is between integral types with the same precision.
8008 2008-01-12 Jan Hubicka <jh@suse.cz>
8011 * invoke.texi (max-inline-recursive-depth): Fix default value.
8013 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
8015 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
8018 2008-01-11 Bob Wilson <bob.wilson@acm.org>
8020 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
8022 2008-01-11 James E. Wilson <wilson@specifix.com>
8025 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
8027 2008-01-11 Anatoly Sokolov <aesok@post.ru>
8029 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
8030 save/restore frame pointer register and don't use 'call-prologues'
8031 optimization in function with "OS_task" attribute.
8033 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
8036 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
8037 when copying to memory.
8039 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
8041 PR rtl-optimization/30905
8042 * cfgcleanup.c: Include dce.h
8043 (crossjumps_occured): New global variable.
8044 (try_crossjump_bb): Exit loop after finding a fallthru edge.
8045 If something changed, set crossjumps_occured to true.
8046 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
8047 Don't add/remove fake edges to exit here...
8048 (cleanup_cfg): ...but do it here, when crossjumping.
8049 Run a fast DCE when successful crossjumps occured in the latest
8050 iteration of try_optimize_cfg.
8052 2008-01-11 Richard Guenther <rguenther@suse.de>
8054 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
8055 (struct vn_unary_op_s): Likewise.
8056 (vn_reference_insert): Free old reference on hash collision.
8058 2008-01-10 Raksit Ashok <raksit@google.com>
8060 PR rtl-optimization/27971
8061 * combine.c (find_split_point): Split PLUS expressions which are
8062 inside a MEM rtx, and whose first operand is complex.
8064 2008-01-10 DJ Delorie <dj@redhat.com>
8066 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
8067 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
8068 (m32c_hard_regno_ok): Call the underlying function.
8070 2008-01-10 Richard Guenther <rguenther@suse.de>
8073 * tree-cfg.c (tree_merge_blocks): Do not go through the
8074 full-blown folding and stmt updating path if we just deal
8075 with virtual operands.
8076 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
8077 test for abnormal SSA_NAMEs.
8079 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
8082 * reload.c (push_reload): Add assertions. All constants from
8083 reg_equiv_constant should have been used for replacing the respective
8085 (find_reloads_address): Invoke find_reloads_address_part for
8086 constant taken from the reg_equiv_constant array.
8088 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
8090 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
8091 field (valnum) the first in the struct. Replace bools with
8094 2008-01-10 Richard Guenther <rguenther@suse.de>
8096 PR tree-optimization/34651
8097 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
8098 types and ordering for masking and converting.
8100 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
8102 PR tree-optimization/34017
8103 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
8104 also for PHI_NODE expressions.
8106 2008-01-09 Jan Hubicka <jh@suse.cz>
8108 PR tree-optimization/34708
8109 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
8110 based on number of case labels.
8111 (init_inline_once): Remove switch_cost.
8112 * tree-inline.h (eni_weights_d): Remove switch_cost.
8114 2008-01-09 Richard Guenther <rguenther@suse.de>
8115 Andrew Pinski <andrew_pinski@playstation.sony.com>
8118 * gimplify.c (gimplify_cond_expr): Do not create an addressable
8119 temporary if an rvalue is ok or an lvalue is not required.
8121 2008-01-09 Richard Guenther <rguenther@suse.de>
8124 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
8127 2008-01-09 Richard Guenther <rguenther@suse.de>
8130 * tree.c (host_integerp): Check for sizetype only if the
8131 type is an integer type.
8133 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
8136 * opts.c (decode_options): Disable inlining of functions called
8137 once if not in unit-at-a-time mode.
8139 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
8141 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
8143 2008-01-08 Richard Guenther <rguenther@suse.de>
8146 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
8147 out early if the result will be unused.
8149 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
8154 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8155 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8158 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
8160 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
8161 for vectorization tuned.
8163 2008-01-08 Richard Guenther <rguenther@suse.de>
8165 PR tree-optimization/34683
8166 * tree-ssa-operands.c (operand_build_cmp): Export.
8167 * tree-ssa-operands.h (operand_build_cmp): Declare.
8168 * tree-vn.c (vuses_compare): Remove.
8169 (sort_vuses): Use operand_build_cmp.
8170 (sort_vuses_heap): Likewise.
8171 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
8172 to re-use old VEC if available. Do not sort already sorted VUSEs.
8173 (vdefs_to_vec): Do not sort already sorted VDEFs.
8175 2008-01-08 Jakub Jelinek <jakub@redhat.com>
8178 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
8180 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
8183 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
8184 limitations of reciprocal sequences on x86 targets.
8186 2008-01-08 Richard Guenther <rguenther@suse.de>
8188 PR tree-optimization/34683
8189 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
8191 2008-01-07 Jakub Jelinek <jakub@redhat.com>
8194 * config/darwin.c (darwin_mergeable_string_section): Don't use
8195 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
8197 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
8200 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
8201 negxf2. Macroize expander using X87MODEF mode iterator. Change
8202 predicates of op0 and op1 to register_operand.
8203 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
8204 expander using X87MODEF mode iterator. Change predicates of
8205 op0 and op1 to register_operand.
8206 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
8207 corresponding patterns and macroize using MODEF macro. Change
8208 predicates of op0 and op1 to register_operand and remove
8209 "m" constraint. Disparage "r" alternative with "!".
8210 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
8211 macroize using X87MODEF macro. Change predicates of op0 and op1
8212 to register_operand and remove "m" constraint. Disparage "r"
8213 alternative with "!".
8214 (absneg splitter with memory operands): Remove.
8215 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
8216 patterns and macroize using X87MODEF mode iterator.
8217 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
8218 Change predicate of op1 to register_operand.
8219 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
8220 for memory operands.
8222 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
8224 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
8226 2008-01-07 Richard Guenther <rguenther@suse.de>
8228 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
8231 2008-01-07 Richard Guenther <rguenther@suse.de>
8233 PR tree-optimization/34683
8234 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
8235 VOPs of the needed size to save memory. Use VEC_quick_push
8236 to save compile-time.
8237 (vdefs_to_vec): Likewise.
8239 2008-01-07 Sa Liu <saliu@de.ibm.com>
8241 * config/spu/spu.md (divdf3): Genetate inline code for double
8242 division. The implementation doesn't handle INF or NAN, therefore it
8243 only applies when -ffinite-math-only is given.
8245 2008-01-06 Paolo Carlini <pcarlini@suse.de>
8248 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
8249 * doc/cpp.texi ([Common Predefined Macros]): Document.
8251 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
8253 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
8254 order to use commutative addition instead of subtraction.
8256 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
8257 Mircea Namolaru <namolaru@il.ibm.com>
8258 Vladimir Yanovsky <yanov@il.ibm.com>
8259 Revital Eres <eres@il.ibm.com>
8261 PR tree-optimization/34263
8262 * tree-outof-ssa.c (process_single_block_loop_latch,
8263 contains_tree_r): New functions.
8264 (analyze_edges_for_bb): Call process_single_block_loop_latch
8265 function to empty single-basic-block latch block if possible.
8267 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8269 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8271 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
8273 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
8275 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
8277 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
8279 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
8281 2008-01-05 Jakub Jelinek <jakub@redhat.com>
8283 PR tree-optimization/34618
8284 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
8287 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
8290 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
8291 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
8292 Update copyright year.
8294 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
8295 Update copyright year.
8296 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
8299 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
8301 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
8302 edge does not point to current bb before changing need_assert.
8304 2008-01-04 Richard Guenther <rguenther@suse.de>
8307 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
8308 for verifying purposes if they are is_gimple_min_invariant.
8310 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
8312 PR tree-optimization/34448
8313 PR tree-optimization/34465
8314 * gimplify.c (gimplify_init_constructor): Add new parameter
8315 notify_temp_creation. Use it.
8316 (gimplify_modify_expr_rhs): Take volatiles into account when
8317 optimizing constructors.
8318 Do not optimize constructors if gimplify_init_constructor will dump to
8320 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
8321 * gcc.c-torture/compile/pr34448.c: New.
8323 2008-01-04 Jakub Jelinek <jakub@redhat.com>
8325 PR gcov-profile/34609
8326 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
8327 return_slot if result is TREE_ADDRESSABLE.
8329 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
8331 * config/mips/mips.md (sqrt_condition): Tweak comment.
8332 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
8334 2008-01-03 Tom Tromey <tromey@redhat.com>
8337 * c-common.c (c_type_hash): Handle VLAs.
8339 2008-01-03 Jan Hubicka <jh@suse.cz>
8341 PR tree-optimization/31081
8342 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
8343 0 when inlining and not inlining to first basic block.
8344 (remap_decl): When var is initialized to 0, don't set default_def.
8345 (expand_call_inline): Set entry_bb.
8346 * tree-inline.h (copy_body_data): Add entry_bb.
8348 2008-01-03 Jakub Jelinek <jakub@redhat.com>
8351 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
8354 PR tree-optimization/29484
8355 * tree-inline.c (inline_forbidden_p_2): New function.
8356 (inline_forbidden_p): Disallow inlining if some static var
8357 has an address of a local LABEL_DECL in its initializer.
8358 * doc/extend.texi (Labels as Values): Document &&foo behaviour
8361 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
8363 PR tree-optimization/34635
8364 * tree-data-ref.c (add_other_self_distances): Make sure that the
8365 evolution step is constant.
8367 2008-01-03 Jakub Jelinek <jakub@redhat.com>
8370 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
8372 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
8374 * tree-sra.c (scalarize_init): Insert the generate_element_init
8375 statements after the generate_element_zero statements.
8377 2008-01-02 Richard Guenther <rguenther@suse.de>
8381 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
8382 for very large number of operands instead of ICEing.
8384 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
8387 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
8388 while stack probing.
8390 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
8392 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
8395 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
8398 * tree-mudflap.c (mx_register_decls): Guard warning by
8399 !DECL_ARTIFICIAL check.
8401 2008-01-01 Jakub Jelinek <jakub@redhat.com>
8403 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
8404 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
8405 sse5_perm<mode>): Fix constraints.