PR tree-optimization/36118
[official-gcc/constexpr.git] / gcc / ChangeLog
blob448a8950d2f69853ac4ea00304865feb68a29509
1 2008-05-05  Jan Hubicka  <jh@suse.cz>
3         PR tree-optimization/36118
4         * passes.c (pass_init_dump_file): Fix dump header.
6 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8         PR middle-end/36141
9         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create VCE
10         for function decls.
12 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
14         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
16 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
18         * config/i386/i386.md (sat_plusminus): New.
19         (plusminus_insn): Likewise.
20         (plusminus_mnemonic): Likewise.
21         (addsub): Removed.
22         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
23         (*<addsub><mode>3_cc_overflow): Renamed to ...
24         (*<plusminus_insn><mode>3_cc_overflow): This.
25         (*<addsub>si3_zext_cc_overflow): Renamed to ...
26         (*<plusminus_insn>si3_zext_cc_overflow): This.
28         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
29         (<plusminus_insn><mode>3): This.
30         (*<addsub><mode>3): Renamed to ...
31         (*<plusminus_insn><mode>3): This.
32         (<sse>_vm<addsub><mode>3): Renamed to ...
33         (<sse>_vm<plusminus_insn><mode>3): This.
34         (sse3_h<addsub>v4sf3): Renamed to ...
35         (sse3_h<plusminus_insn>v4sf3): This.
36         (sse3_h<addsub>v2df3): Renamed to ...
37         (sse3_h<plusminus_insn>v2df3): This.
38         (<plusminus_insn><mode>3): New.
39         (*<plusminus_insn><mode>3): Likewise.
40         (sse2_<plusminus_insn><mode>3): Likewise.
41         (add<mode>): Removed.
42         (*add<mode>3): Likewise.
43         (sse2_ssadd<mode>3): Likewise.
44         (sse2_usadd<mode>3): Likewise.
45         (sub<mode>3): Likewise.
46         (*sub<mode>3): Likewise.
47         (sse2_sssub<mode>3): Likewise.
48         (sse2_ussub<mode>3): Likewise.
50 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
52         * gthr-single.h: Add in required interface elements as per gthr.h.
53         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
54         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
55         Generalize UNUSED macro. 
56         (__gthread_once): Add.
57         (__gthread_key_create): Add.
58         (__gthread_key_delete): Add.    
59         (__gthread_getspecific): Add.
60         (__gthread_setspecific): Add.      
61         
62 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
64         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
65         the same size types for the indirect reference on the rhs, then
66         create a VCE.
68 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
70         * config/i386/i386.md
71         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
72         one insn template instead of template series.
73         (*xordi_1_rex64): Ditto.
74         (*xordi_2_rex64): Ditto.
76 2008-05-05  Ira Rosen  <irar@il.ibm.com>
78         PR tree-optimization/36119
79         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
80         in case of SLP.
82 2008-06-04  Jan Hubicka  <jh@suse.cz>
84         tree-optimization/36100
85         * tree-pass.h (pass_O0_always_inline): Declare.
86         * ipa-inline.c (inline_transform): Remove dead code.
87         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
88         pass_O0_always_inline): New.
89         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
91 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
93         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
94         mnemonic in this_param move for TARGET_64BIT.
96 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
98         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
99         (*strmovsi_rex_1): Ditto.
100         (*strsetsi_1): Ditto.
101         (*strsetsi_rex_1): Ditto.
103         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
104         adddicc expanders using SWI mode iterator.
106 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
108         PR target/36121
109         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
110         argument handling.
112 2008-05-04  David S. Miller  <davem@davemloft.net>
114         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
115         (sparc*-*-linux*): Use linux.h in tm_file.
116         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
117         compiler defaulting to 32-bit.
118         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
119         no longer needed.
120         * config/sparc/linux.h: Remove definitions now obtained
121         properly from linux.h
122         * config/sparc/linux64.h: Likewise.
123         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
124         don't want this setting for 32-bit builds in a biarch compiler.
125         * doc/install.texi: Add sparc-linux to list of targets
126         supporting --enable-targets=all.
128 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
130         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
132 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
134         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
135         after V4SI_FTYPE_V8HI.
136         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
137         case V4SI_FTYPE_V2DF.
139 2008-05-03  Kenneth Zadeck <zadeck@naturalbridge.com>
141         * doc/invoke.texi (max-flow-memory-locations): Removed.
142         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
143         
144 2008-05-03  Richard Guenther  <rguenther@suse.de>
146         PR middle-end/34973
147         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
149 2008-05-02  David S. Miller  <davem@davemloft.net>
151         * config.gcc (need_64bit_hwint): Document libcpp dependency.
153 2008-05-02  Simon Baldwin <simonb@google.com>
155         PR bootstrap/36108
156         * c-common.h (warn_array_subscript_range): Removed.
157         * c-common.c (warn_array_subscript_range): Ditto.
158         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
159         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
161 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
163         * config/i386/i386.c (ix86_special_builtin_type): New.
164         (bdesc_special_args): Likewise.
165         (ix86_expand_special_args_builtin): Likewise.
166         (ix86_init_mmx_sse_builtins): Updated.
167         (ix86_expand_builtin): Updated.
168         (ix86_expand_store_builtin): Removed.
169         (ix86_expand_unop_builtin): Likewise.
171         * config/i386/mm3dnow.h (__v2sf): Moved to ...
172         * config/i386/mmintrin.h (__v2sf): Here.
174         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
175         const __v2sf.
176         (_mm_loadl_pi): Likewise.
177         (_mm_storeh_pi): Replace __v2si with __v2sf.
178         (_mm_storel_pi): Likewise.
180         * doc/extend.texi: Correct __builtin_ia32_loadhps,
181         __builtin_ia32_loadlps, __builtin_ia32_storehps,
182         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
183         __builtin_ia32_loadlpd.
185 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
187         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
188         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
189         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
190         (ix86_init_mmx_sse_builtins): Updated.
191         (ix86_expand_args_builtin): Likewise.
192         (ix86_expand_builtin): Likewise.
193         (ix86_expand_unop1_builtin): Renamed to ...
194         (ix86_expand_unop_vec_merge_builtin): This.
196 2008-05-01  Jan Hubicka  <jh@suse.cz>
198         PR bootstrap/36100
199         * ipa-inline.c (inline_generate_summary): Make static.
200         (inline_transform): Do not call inlining at -O0; make static.
201         * passes.c (execute_todo): Add sanity check.
202         (execute_one_ipa_transform_pass): Execute proper flags.
204 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
206         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
207         (DECL_NONADDRESSABLE_P): Likewise.
208         * alias.c (record_component_aliases): Fix comment.
210 2008-05-01  Simon Baldwin <simonb@google.com>
212         * c-common.h (warn_array_subscript_range): New function.
213         * c-common.c (warn_array_subscript_range): Ditto.
214         * tree-vrp.c (check_array_ref): Corrected code to agree with
215         comment, ignoring only arrays of size 0 or size 1.
216         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
218 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
220         * config/i386/i386.c (ix86_builtin_type): Replace
221         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
222         (bdesc_args): Updated.
223         (ix86_init_mmx_sse_builtins): Likewise.
224         (ix86_expand_args_builtin): Likewise.
226         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
227         with __v1di.
229         * doc/extend.texi: Correct __builtin_ia32_palignr.
231 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
233         PR target/36095
234         * config/i386/i386.c (bdesc_crc32): Removed.
235         (ix86_expand_crc32): Likewise.
236         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
237         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
238         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
239         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
240         UINT_FTYPE_UINT_UCHAR.
241         (bdesc_args): Updated. Add crc32 builtins.
242         (ix86_init_mmx_sse_builtins): Updated.
243         (ix86_expand_args_builtin): Updated to support subreg.
245         * doc/extend.texi: Correct __builtin_ia32_crc32di.
247 2008-05-01  Jan Hubicka  <jh@suse.cz>
249         * tree-pass.h (opt_pass): Add IPA_PASS.
250         (varpool_node, cgraph_node): Forward declare.
251         (ipa_opt_pass): Define.
252         (pass_ipa_inline): Turn into ipa_opt_pass.
253         (pass_apply_inline): Remove.
254         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
255         (apply_inline): Turn into ....
256         (inline_transform): ... this one.
257         (inline_generate_summary): New function.
258         (pass_apply_inline): Remove.
259         * function.h (ipa_opt_pass): Forward declare structure; typedef;
260         vector.
261         (struct function): Add ipa_transforms_to_apply.
262         * passes.c (register_one_dump_file): Work on IPA_PASS.
263         (init_optimization_passes): Remove pass_inline_parameters and
264         pass_apply_inline.
265         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
266         (execute_one_pass) ... here; apply transforms when possible.
267         (add_ipa_transform_pass, execute_ipa_summary_asses,
268         execute_one_ipa_transform_pass): New.
269         (execute_ipa_pass_list): Update for IPA_PASS type.
271 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
273         * config/i386/i386.c (ix86_builtin_type): Add
274         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
275         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
276         (bdesc_args): Add SSE4a builtins.
277         (ix86_init_mmx_sse_builtins): Updated.
278         (ix86_expand_args_builtin): Likewise.
279         (ix86_expand_builtin): Likewise.
281 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
283         * config/i386/i386.c (ix86_builtin_type): Add
284         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
285         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
286         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
287         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
288         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
289         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
290         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
291         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
292         and DI_FTYPE_DI_DI_INT.
293         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
294         (ix86_init_mmx_sse_builtins): Updated.
295         (ix86_expand_args_builtin): Likewise.
296         (ix86_expand_builtin): Likewise.
297         (ix86_expand_binop_imm_builtin): Removed.
299         * doc/extend.texi: Correct __builtin_ia32_palignr128.
301 2008-04-30  Richard Guenther  <rguenther@suse.de>
303         PR tree-optimization/32921
304         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
306 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
308         * config/arm/arm.c (arm_unwind_emit): Use
309         crtl->all_throwers_are_sibcalls instead of
310         cfun->all_throwers_are_sibcalls.
311         (arm_output_fn_unwind): Likewise.
312         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
313         instead of cfun->uses_pic_offset_table.
314         (frv_expand_prologue): Likewise.
315         (frv_frame_pointer_required): Likewise.
316         (frv_expand_fdpic_call): Likewise.
317         (frv_emit_movsi): Likewise.
318         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
319         cfun->returns_pcc_struct instead of
320         current_function_returns_pcc_struct.
321         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
322         instead of cfun->calls_eh_return.
323         (m32c_pushm_popm): Likewise.
324         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
325         "extern" declaration.
327 2008-04-30  Richard Guenther  <rguenther@suse.de>
329         PR tree-optimization/21636
330         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
331         constant address.
332         (evaluate_stmt): Print the likely value.
333         (ccp_visit_stmt): Avoid excessive vertical spacing.
335 2008-04-30  Rafael Espindola  <espindola@google.com>
337         * builtins.c (fold_call_expr): Return realret.
338         * tree-ssa-threadedge.c
339         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
340         __builtin_object_size.
342 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
344         * gcc.c (wrapper_string): New variable.
345         (insert_wrapper): New function.
346         (execute): New option -wrapper.
347         * doc/invoke.texi (Overall Options): New driver option -wrapper.
349 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
351         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
352         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
353         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
354         from...
355         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
356         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
357         config/rs6000/e500crtres64gprctr.asm,
358         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
359         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
360         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
361         config/rs6000/e500crtsav64gprctr.asm,
362         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
363         config/rs6000/e500crtsavg64gprctr.asm: New files.
364         * config/rs6000/t-ppccomm: Add build rules for new files.
365         (LIB2FUNCS_STATIC_EXTRA): Add new files.
366         * config/rs6000/t-netbsd: Add build rules for new files.
367         (LIB2FUNCS_STATIC_EXTRA): New variable.
368         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
369         (CRTSAVRES_DEFAULT_SPEC): Likewise.
370         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
372 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
374         * config/i386/i386.c (ix86_builtin_type): Add
375         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
376         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
377         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
378         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
379         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
380         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
381         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
382         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
383         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
384         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
385         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
386         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
387         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
388         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
389         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
390         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
391         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
392         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
393         V1DI_FTYPE_V2SI_V2SI.
394         (bdesc_2arg): Moved to ...
395         (bdesc_args): Here.
396         (ix86_init_mmx_sse_builtins): Updated.
397         (ix86_expand_args_builtin): Updated.  Take a pointer
398         to const struct builtin_description.  Handle comparison
399         builtin functions.
400         (ix86_expand_sse_compare): Take a new argument for swapping operands.
401         (ix86_expand_builtin): Updated.
403         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
404         (ssse3_pmaddubsw128): This.
405         (ssse3_pmaddubswv4hi3): Renamed to ...
406         (ssse3_pmaddubsw): This.
408         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
409         (__builtin_ia32_packssdw128): Likewise.
410         (__builtin_ia32_packuswb128): Likewise.
411         (__builtin_ia32_pmaddubsw): Likewise.
412         (__builtin_ia32_pmaddubsw128): Likewise.
414 2008-04-30  Richard Guenther  <rguenther@suse.de>
416         PR tree-optimization/14847
417         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
418         (recognize_bits_test): Use it.
419         (recognize_single_bit_test): Likewise.
421 2008-04-30  Martin Jambor  <mjambor@suse.cz>
423         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
424         instead of setting number of formal parameters to zero.
425         (ipcp_init_stage): Do not set the number of actual parameters to zero 
426         either.
427         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
428         which are called with variable number of arguments.
429         (ipcp_insert_stage): Explicitely skipping all nodes which are
430         called with variable number of arguments.
431         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
432         number of parameters.
434         * ipa-prop.h (struct ipa_node_params): Added flag
435         called_with_var_arguments
436         (ipa_set_param_count): Added.  Changed sole setter to use it.
437         (ipa_get_param_count): Added.  All readers of param_count
438         converted to use it instead.
439         (ipa_set_called_with_variable_arg): Added.
440         (ipa_is_called_with_var_arguments): Added.
441         (ipa_get_ith_param): Added.  All readers of param_decls converted
442         to use it instead.
443         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
444         changed to use it. 
445         (ipa_get_cs_argument_count): Added, all readers of argument_count
446         changed to cal it.
447         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
448         to use it.
449         
450         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
451         (struct ipcp_lattice): Renamed cval_type to type
452         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
454         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
455         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
456         (ipcp_insert_stage): Changed the type of variable cvalue to tree
457         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
458         (build_const_val): Changed the type of parameter cvalue to tree
459         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
460         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
461         
462         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
463         constant 
465         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
466         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
467         (ipa_add_method): Renamed to ipa_push_func_to_list
468         (ipa_remove_method): Renamed to ipa_pop_func_from_list
469         (ipa_callsite_param_count): Removed.
470         (ipa_callsite_param_count_set): Removed.
471         (ipa_callsite_param): Removed.
472         (ipa_callsite_callee): Removed.
473         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
474         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
475         (ipa_method_formal_count): Removed.
476         (ipa_method_formal_count_set): Removed.
477         (ipa_method_get_tree): Removed.
478         (ipa_method_tree_map_create): Removed.
479         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
480         (ipa_create_param_decls_array): Creates the array itself
481         (ipa_create_param_decls_array): Temporary variable info instead of 
482         a few dereferences.
483         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
484         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
485         (get_type): Removed.
486         (ipa_jf_get_info_type): Removed.
487         (ipa_node_create): Renamed to ipa_create_node_params
488         (ipa_free): Renamed to ipa_free_all_node_params
489         (ipa_nodes_create): Renamed to ipa_create_all_node_params
490         (ipa_edges_create): Renamed to ipa_create_all_edge_args
491         (ipa_edges_free): Renamed to ipa_free_all_edge_args
492         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
493         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
494         ipa_free_all_edge_args
495         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
496         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
497         (ipa_create_methodlist_node): Removed.
498         (ipa_methodlist_method): Removed.
499         (ipa_methodlist_method_set): Removed.
500         (ipa_methodlist_next_method): Removed.
501         (ipa_methodlist_next_method_set): Removed.
502         (ipa_method_is_modified): Removed.
503         (ipa_method_modify_create): Removed.
504         (ipa_method_modify_init): Temporary variable info instead of a few 
505         dereferences.
506         (ipa_detect_param_modifications): Temporary variable info instead of 
507         a few dereferences.
508         (ipa_compute_jump_functions): Temporary variable info instead of 
509         a few dereferences.
510         (ipa_method_modify_set): Removed.
511         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
512         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
513         than craph_node as the first parameter.
514         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
515         (ipa_method_modify_init): Removed.
516         (ipa_compute_jump_functions): Added a temp variable instead of 
517         repeatadly dereferencing the cgraph_edge.aux pointer
518         (ipa_callsite_param_set_type): Removed.
519         (ipa_compute_jump_functions): i renamed to index and moved to 
520         an inner block
521         (ipa_callsite_param_set_info_type_formal): Removed.
522         (ipa_callsite_param_set_info_type): Removed.
523         (ipa_callsite_param_map_create): Removed.
524         (ipa_callsite_tree): Removed.
525         (ipa_callsite_caller): Removed.
526         (ipa_pop_func_from_list): return_method removed to return_func
528         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
529         prefixed all values with IPA_. Changed all users.
530         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
531         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
532         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
533         (union parameter_info): Renamed to jump_func_value.
534         (union jump_func_value): Renamed value to constant
535         (struct ipa_jump_func): Renamed info_type to value
536         (struct ipa_node): Renamed to ipa_node_params
537         (struct ipa_node_params): Renamed ipa_arg_num to param_count
538         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
539         (struct ipa_node_params): Renamed ipa_mod to modified_flags
540         (struct ipa_edge): Renamed to ipa_edge_args
541         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
542         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
543         (struct ipa_methodlist): Renamed to ipa_func_list
544         (struct ipa_func_list): method_p renamed to node, next_method
545         renamed to next
546         (ipa_methodlist_p): Removed, switched all users to struct pointer
547         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
549 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
551         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
552         (rs6000_emit_epilogue): Use backchain to restore only when we
553         have a large frame.  Make use of frame pointer to restore if we
554         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
556 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
558         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
559         Add mode to zero_extract.
560         (sign bit tests peepholes): (Ditto.).
562 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
564         * config/i386/i386.c (ix86_builtins): Replace Prescott New
565         Instructions in comments with SSE3.
566         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
567         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
568         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
569         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
570         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
571         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
572         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
573         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
574         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
575         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
576         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
577         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
578         (bdesc_sse_args): Renamed to ...
579         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
580         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
581         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
582         IX86_BUILTIN_FABSQ.
583         (bdesc_1arg): Moved to ...
584         (bdesc_args): Here.
585         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
586         Instructions in comments with SSE3.
587         (ix86_expand_sse_operands_builtin): Renamed to ...
588         (ix86_expand_args_builtin): This.  Updated.
589         (ix86_expand_unop1_builtin): Update comments.
590         (ix86_expand_builtin): Updated.
592 2008-04-29  Richard Guenther  <rguenther@suse.de>
594         PR tree-optimization/36078
595         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
596         Update virtual SSA form after cleaning up the CFG.
598 2008-04-29  Richard Guenther  <rguenther@suse.de>
600         PR middle-end/15255
601         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
603 2008-04-29  Richard Guenther  <rguenther@suse.de>
605         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
606         (compute_may_aliases): Do not call finalize_ref_all_pointers.
607         (compute_flow_insensitive_aliasing): Do not treat
608         PTR_IS_REF_ALL pointers special.
609         (get_smt_for): Likewise.
610         (may_alias_p): Re-structure.
611         (is_escape_site): A ref-all pointer conversion is not an escape site.
612         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
613         PTR_IS_REF_ALL pointers special.
614         * tree-ssa-structalias.h (struct alias_info): Remove
615         ref_all_symbol_mem_tag field.
616         (PTR_IS_REF_ALL): Remove.
618 2008-04-29  Richard Guenther  <rguenther@suse.de>
620         PR middle-end/36077
621         * fold-const.c (extract_muldiv_1): In combining division constants
622         make sure to never overflow.
624 2008-04-29  Nick Clifton  <nickc@redhat.com>
626         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
628 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
630         PR bootstrap/35169
631         * optc-gen.awk: Work around HP-UX/IA awk bug.
633 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
635         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
636         2008-04-25 commit.
638 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
640         PR target/36073
641         * config/i386/i386.md
642         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
643         Change operand 1 predicate to nonimmediate_operand.
645 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
647         PR debug/36060
648         * dwarf2out.c (struct die_struct): Mark as chain_circular through
649         die_sub field.
650         * gengtype.c (walk_type, write_func_for_structure): Handle
651         chain_circular.
652         * doc/gty.texi: Document chain_circular.
654 2008-04-28  Richard Guenther  <rguenther@suse.de>
656         PR tree-optimization/36066
657         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
658         SCEV and loop.
660 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
662         PR target/36064
663         * config/i386/i386.md
664         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
665         Use match_scratch instead of match_operand for operands 3 and 4.
667 2008-04-27  Richard Guenther  <rguenther@suse.de>
669         PR tree-optimization/18754
670         PR tree-optimization/34223
671         * tree-pass.h (pass_complete_unrolli): Declare.
672         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
673         loop size before and after unconditionally of UL_NO_GROWTH in effect.
674         Rewrite loop into loop closed SSA form if it is not already.
675         (tree_unroll_loops_completely): Re-structure to iterate over
676         innermost loops with intermediate CFG cleanups.
677         Unroll outermost loops only if requested or the code does not grow
678         doing so.
679         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
680         loops are available.
681         (tree_vectorize): Instead do so here.
682         (tree_complete_unroll): Also unroll outermost loops.
683         (tree_complete_unroll_inner): New function.
684         (gate_tree_complete_unroll_inner): Likewise.
685         (pass_complete_unrolli): New pass.
686         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
687         uses outside of the loop.
688         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
689         form if it is available.  
690         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
691         * passes.c (init_optimization_passes): Schedule complete inner
692         loop unrolling pass before the first CCP pass after final inlining.
694 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
696         * targhooks.h (default_emutls_var_fields,
697         default_emutls_var_init): Declare.
698         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
699         * target.h (struct gcc_target): Add struct emutls member.
700         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
701         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
702         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
703         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
704         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
705         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
706         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
707         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
708         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
709         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
710         emit debug information.
711         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
712         * varasm.c: Include targhooks.h.
713         (emutls_object_section, emutls_tmpl_section): New.
714         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
715         (EMUTLS_SEPARATOR): New.
716         (prefix_name): New.
717         (get_emutls_object_name): New.
718         (default_emutls_var_fields): New, broken out of ...
719         (get_emutls_object_type): ... here.  Adjust to use target hooks.
720         (get_emutls_init_templ_addr): Adjust to use target hooks.
721         (emutls_decl): Adjust to use target hooks.
722         (emutls_finish): Likewise.
723         (default_emutls_var_init): New, broken out of ...
724         (assemble_variable): ... here.  Adjust to use target hooks.
725         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
726         SECCAT_EMUTLS_TMPL.
727         * c-common.c (handle_section_attribute): Prevent overriding
728         sections for emulated tls with special sections.
729         * config/i386/i386.c (x86_64_elf_select_section): Add
730         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
731         (x86_64_elf_unique_section): Likewise.
732         * config/vxworks.c: Include tree.h.
733         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
734         (vxworks_override_options): Set TLS scheme.
735         * doc/tm.texi (Emulated TLS): New node.
737 2008-04-26  Simon Baldwin <simonb@google.com>
739         PR c/35652
740         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
741         with propagated string constants.
743 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
745         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
746         constraint for operand 2 when operand 0 is memory operand.
747         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
748         operand 0 is memory operand.
749         (fix_trunc<mode>_i387_with_temp): Ditto.
750         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
751         operand 2 when operand 1 is memory operand.
752         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
753         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
754         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
755         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
756         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
757         operands 2,3 and 4 when operand 1 is memory operand.
758         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
759         is memory operand.
760         (fistdi2_floor_with_temp): Ditto.
761         (fist<mode>2_floor_with_temp): Ditto.
762         (fistdi2_ceil_with_temp): Ditto.
763         (fist<mode>2_ceil_with_temp): Ditto.
764         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
766 2008-04-26  David Daney  <ddaney@avtrex.com>
768         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
769         unspec_volitile.
770         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
771         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
772         UNSPEC_UPDATE_GOT_VERSION): Renumber.
773         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
774         (compare_and_swap_12): New insn.
775         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
776         * config/mips/mips.c (mips_force_binary): New function.
777         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
778         (mips_expand_compare_and_swap_12): New function.
779         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
781 2008-04-25  Jan Hubicka  <jh@suse.cz>
783         PR testsuite/35843
784         * cfgexpand.c (pass_expand): Turn into RTL pass.
785         * passes.c (execute_one_pass): Do pass typechecking after execution.
786         * tree-pass.h (pass_expand): Turn into RTL pass.
788         * function.h (struct rtl_data): Move here fields
789         accesses_prior_frames, calls_eh_return, saves_all_registers,
790         has_nonlocal_goto, has_asm_statement, is_thunk,
791         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
792         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
793         arg_pointer_save_area_init from struct function; turn into bool.
794         (struct function): Move
795         calls_eh_return, saves_all_registers, has_nonlocal_goto,
796         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
797         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
798         tail_call_emit, arg_pointer_save_area_init
799         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
800         (current_function_returns_struct, current_function_returns_pcc_struct,
801         current_function_calls_setjmp, current_function_calls_alloca,
802         current_function_accesses_prior_frames,
803         current_function_calls_eh_return, current_function_is_thunk,
804         current_function_stdarg, current_function_profile,
805         current_function_limit_stack, current_function_uses_pic_offset_table,
806         current_function_uses_const_pool, current_function_has_nonlocal_label,
807         current_function_saves_all_registers,
808         current_function_has_nonlocal_goto,
809         current_function_has_asm_statement): Remove accesor macros.
810         * ra-conflict.c (global_conflicts): Update.
811         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
812         (suitable_for_tail_call_opt_p): Update.
813         * builtins.c (expand_builtin_return_addr): Update.
814         (expand_builtin_setjmp_setup): Update.
815         (expand_builtin_nonlocal_goto): Update.
816         * final.c (final_start_function): Update.
817         (profile_function): Update.
818         (leaf_function_p): Update.
819         (only_leaf_regs_used): Update.
820         * df-scan.c (df_get_exit_block_use_set): Update.
821         * dojump.c (clear_pending_stack_adjust): Update.
822         * tree-stdarg.c (gate_optimize_stdarg): Update.
823         * gimple-low.c (lower_function_body): Update.
824         * global.c (compute_regsets): Update.
825         (global_alloc): Update.
826         * dwarf2out.c (dwarf2out_begin_prologue): Update.
827         * expr.c (expand_assignment): Update.
828         * dse.c (dse_step0): Update.
829         (dse_step1): Update.
830         * c-decl.c (store_parm_decls): Update.
831         * local-alloc.c (combine_regs): Update.
832         (find_free_reg): Update.
833         * function.c (assign_parms_augmented_arg_list): Update.
834         (assign_parm_find_data_types): Update.
835         (assign_parms): Update.
836         (allocate_struct_function): Update.
837         (expand_function_start): Update.
838         (expand_function_end): Update.
839         (get_arg_pointer_save_area): Update.
840         (thread_prologue_and_epilogue_insns): Update.
841         (rest_of_match_asm_constraints): Update.
842         * stor-layout.c (variable_size): Update.
843         * gcse.c (gcse_main): Update.
844         (bypass_jumps): Update.
845         * gimplify.c (gimplify_function_tree): Update.
846         * calls.c (emit_call_1): Update.
847         (expand_call): Update.
848         * bt-load.c (compute_defs_uses_and_gen): Update.
849         * except.c (sjlj_assign_call_site_values): Update.
850         (sjlj_emit_function_enter): Update.
851         (can_throw_external): Update.
852         (set_nothrow_function_flags): Update.
853         (expand_builtin_unwind_init): Update.
854         (expand_eh_return): Update.
855         (convert_to_eh_region_ranges): Update.
856         (output_function_exception_table): Update.
857         * emit-rtl.c (gen_tmp_stack_mem): Update.
858         * cfgexpand.c (expand_used_vars): Update.
859         (tree_expand_cfg): Update.
860         * cfgcleanup.c (rest_of_handle_jump): Update.
861         * explow.c (allocate_dynamic_stack_space): Update.
862         * varasm.c (assemble_start_function): Update.
863         (force_const_mem): Update.
864         (mark_constant_pool): Update.
865         * tree-optimize.c (tree_rest_of_compilation): Update.
866         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
867         * tree-cfg.c (notice_special_calls): Update.
868         (is_ctrl_altering_stmt): Update.
869         (tree_can_make_abnormal_goto): Update.
870         (tree_purge_dead_abnormal_call_edges): Update.
871         * config/alpha/predicates.md: Update.
872         * config/alpha/alpha.c (alpha_sa_mask): Update.
873         (alpha_sa_size): Update.
874         (alpha_does_function_need_gp): Update.
875         (alpha_expand_prologue): Update.
876         (alpha_start_function): Update.
877         (alpha_output_function_end_prologue): Update.
878         (alpha_expand_epilogue): Update.
879         * config/frv/frv.c (frv_stack_info): Update.
880         (frv_expand_epilogue): Update.
881         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
882         (s390_register_info): Update.
883         (s390_frame_info): Update.
884         (s390_init_frame_layout): Update.
885         (s390_can_eliminate): Update.
886         (save_gprs): Update.
887         * config/spu/spu.c (spu_split_immediate): Update.
888         (need_to_save_reg): Update.
889         (spu_expand_prologue): Update.
890         (spu_expand_epilogue): Update.
891         * config/sparc/sparc.md: Update.
892         * config/sparc/sparc.c (eligible_for_return_delay): Update.
893         (sparc_tls_got): Update.
894         (legitimize_pic_address): Update.
895         (sparc_emit_call_insn): Update.
896         (sparc_expand_prologue): Update.
897         (output_return): Update.
898         (print_operand): Update.
899         (sparc_function_ok_for_sibcall): Update.
900         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
901         * config/m32r/m32r.md: Update.
902         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
903         (m32r_compute_frame_size): Update.
904         (m32r_expand_prologue): Update.
905         (m32r_expand_epilogue): Update.
906         (m32r_legitimize_pic_address): Update.
907         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
908         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
909         * config/i386/i386.c (ix86_frame_pointer_required): Update.
910         (gen_push): Update.
911         (ix86_save_reg): Update.
912         (ix86_compute_frame_layout): Update.
913         (ix86_expand_prologue): Update.
914         (ix86_expand_epilogue): Update.
915         * config/sh/sh.c (output_stack_adjust): Update.
916         (calc_live_regs): Update.
917         (sh5_schedule_saves): Update.
918         (sh_expand_prologue): Update.
919         (sh_expand_epilogue): Update.
920         (sh_setup_incoming_varargs): Update.
921         (sh_allocate_initial_value): Update.
922         (sh_get_pr_initial_val): Update.
923         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
924         * config/sh/sh.md (label:): Update.
925         * config/avr/avr.c (out_movhi_mr_r): Update.
926         * config/crx/crx.h (enum): Update.
927         * config/xtensa/xtensa.h (along): Update.
928         * config/stormy16/stormy16.c Update.
929         (xstormy16_compute_stack_layout): Update.
930         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
931         (fr30_expand_prologue): Update.
932         * config/cris/cris.c (cris_conditional_register_usage): Update.
933         (cris_reg_saved_in_regsave_area): Update.
934         (cris_initial_frame_pointer_offset): Update.
935         (cris_simple_epilogue): Update.
936         (cris_expand_prologue): Update.
937         (cris_expand_epilogue): Update.
938         (cris_expand_pic_call_address): Update.
939         (cris_asm_output_symbol_ref): Update.
940         (cris_asm_output_label_ref): Update.
941         * config/cris/cris.md Update.
942         * config/iq2000/iq2000.c (compute_frame_size): Update.
943         (iq2000_expand_epilogue): Update.
944         * config/mt/mt.h (save_direction): Update.
945         * config/mn10300/mn10300.c (mn10300_function_value): Update.
946         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
947         (ia64_secondary_reload_class): Update.
948         * config/m68k/m68k.c (m68k_save_reg): Update.
949         (m68k_expand_prologue): Update.
950         (m68k_expand_epilogue): Update.
951         (legitimize_pic_address): Update.
952         * config/rs6000/rs6000.c (rs6000_got_register): Update.
953         (first_reg_to_save): Update.
954         (first_altivec_reg_to_save): Update.
955         (compute_vrsave_mask): Update.
956         (compute_save_world_info): Update.
957         (rs6000_stack_info): Update.
958         (spe_func_has_64bit_regs_p): Update.
959         (rs6000_ra_ever_killed): Update.
960         (rs6000_emit_eh_reg_restore): Update.
961         (rs6000_emit_allocate_stack): Update.
962         (rs6000_emit_prologue): Update.
963         (rs6000_emit_epilogue): Update.
964         (rs6000_output_function_epilogue): Update.
965         (output_profile_hook): Update.
966         (rs6000_elf_declare_function_name): Update.
967         * config/rs6000/rs6000.h (rs6000_args): Update.
968         * config/rs6000/rs6000.md: Update.
969         * config/mcore/mcore.c (mcore_expand_prolog): Update.
970         * config/arc/arc.c (arc_output_function_epilogue): Update.
971         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
972         * config/darwin.c (machopic_function_base_name): Update.
973         * config/score/score3.c (score3_compute_frame_size): Update.
974         (rpush): Update.
975         (rpop): Update.
976         (score3_epilogue): Update.
977         * config/score/score7.c (score7_compute_frame_size): Update.
978         (score7_prologue): Update.
979         (score7_epilogue): Update.
980         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
981         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
982         * config/arm/arm.c (use_return_insn): Update.
983         (require_pic_register): Update.
984         (arm_load_pic_register): Update.
985         (arm_compute_save_reg0_reg12_mask): Update.
986         (arm_compute_save_reg_mask): Update.
987         (thumb1_compute_save_reg_mask): Update.
988         (output_return_instruction): Update.
989         (arm_output_function_prologue): Update.
990         (arm_output_epilogue): Update.
991         (arm_get_frame_offsets): Update.
992         (arm_expand_prologue): Update.
993         (thumb_pushpop): Update.
994         (thumb_exit): Update.
995         (thumb1_expand_prologue): Update.
996         (thumb1_expand_epilogue): Update.
997         (arm_unwind_emit): Update.
998         (arm_output_fn_unwind): Update.
999         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
1000         * config/arm/arm.md: Update.
1001         * config/pa/pa.md: Update.
1002         * config/pa/pa.c (legitimize_pic_address): Update.
1003         (compute_frame_size): Update.
1004         (hppa_expand_prologue): Update.
1005         (hppa_expand_epilogue): Update.
1006         (borx_reg_operand): Update.
1007         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
1008         (HARD_REGNO_RENAME_OK): Update.
1009         * config/mips/mips.c (mips_global_pointer): Update.
1010         (mips_save_reg_p): Update.
1011         (mips_compute_frame_info): Update.
1012         (mips_frame_pointer_required): Update.
1013         (mips_expand_prologue): Update.
1014         (mips_expand_epilogue): Update.
1015         (mips_can_use_return_insn): Update.
1016         (mips_reorg_process_insns): Update.
1017         * config/v850/v850.c (compute_register_save_size): Update.
1018         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
1019         * config/mmix/mmix.c (along): Update.
1020         (mmix_expand_epilogue): Update.
1021         * config/bfin/bfin.c (legitimize_pic_address): Update.
1022         (must_save_p): Update.
1023         (stack_frame_needed_p): Update.
1024         (add_to_reg): Update.
1025         (bfin_expand_prologue): Update.
1026         * stmt.c (expand_asm_operands): Update.
1027         * reload1.c (reload): Update.
1028         (init_elim_table): Update.
1030 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
1031         
1032         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
1033         
1034 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
1036         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
1037         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
1038         (mov<mode>): Removed.
1039         (*movv4sf_internal): Likewise.
1040         (*movv2df_internal): Likewise.
1042 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
1044         * config.gcc (crx-*-elf): Remove deprecation.
1046 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
1048         * config/i386/cygming-crtend.c (register_frame_ctor): Register
1049         __gcc_deregister_frame with atexit.
1050         (deregister_frame_dtor): Remove.
1052 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
1053             Nathan Sidwell  <nathan@codesourcery.com>
1055         * config/rs6000/rs6000.opt (mspe): Remove Var property.
1056         (misel): Likewise.
1057         * config/rs6000/rs6000.h (rs6000_spe): Declare.
1058         (rs6000_isel): Likewise.
1059         * config/rs6000/rs6000.c (rs6000_spe): New variable.
1060         (rs6000_isel): New variable.
1061         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
1063 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1065         PR c++/35758
1066         * c-common.c (handle_vector_size_attribute): Call
1067         lang_hooks.types.reconstruct_complex_type instead of
1068         reconstruct_complex_type.
1069         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
1070         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
1071         * langhooks.h (struct lang_hooks_for_types): Add
1072         reconstruct_complex_type hook.
1073         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
1074         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
1076 2008-04-24  Richard Guenther  <rguenther@suse.de>
1078         * c-common.h (check_builtin_function_arguments): Declare.
1079         * c-common.c (validate_nargs): New function.
1080         (check_builtin_function_arguments): Likewise.
1081         * c-typeck.c (build_function_call): Call
1082         check_builtin_function_arguments.
1083         * builtins.c (fold_builtin_classify): Remove error reporting code.
1084         (fold_builtin_unordered_cmp): Likewise.
1085         (fold_builtin_1): Likewise.
1086         (fold_builtin_n): Likewise.
1088 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1090         PR tree-optimization/36008
1091         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
1092         the original op1, rather than delta by step.
1094 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
1095             Sebastian Pop  <sebastian.pop@amd.com>
1097         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
1098         eliminate_local_variables_stmt, eliminate_local_variables,
1099         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
1100         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
1101         of code delimited by two edges in the CFG.
1102         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
1103         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
1104         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
1105         the case of parallelisation of reductions.
1106         (expr_invariant_in_region_p): New.
1108         * tree-flow.h (gather_blocks_in_sese_region): Declared.
1109         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
1111 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1112             Richard Guenther  <rguenther@suse.de>
1114         PR tree-optimization/36034
1115         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
1116         incapable of dealing with loads with gaps.
1118 2008-04-24  Rafael Espindola  <espindola@google.com>
1120         * tree-flow.h (vrp_evaluate_conditional): Change signature.
1121         * tree-ssa-propagate.c (fold_predicate_in): Update call to
1122         vrp_evaluate_conditional.
1123         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
1124         (vrp_evaluate_conditional): Split the cond argument.
1125         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
1126         (simplify_stmt_for_jump_threading): Update call to
1127         vrp_evaluate_conditional.
1129 2008-04-24  Ira Rosen  <irar@il.ibm.com>
1131         PR tree-optimization/35982
1132         * tree-vect-analyze.c (vect_check_interleaving): Check that the
1133         interleaved data-refs are of the same type.
1135 2008-04-24  Danny Smith  <dannysmith@users.net>
1137         * c-format.c (check_format_info_main): Use strncmp rather than a
1138         magic prefix to handle multichar length specs.
1139         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
1140         Don't prefix "I64" and "I32" with '\0'.
1142 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
1144         PR target/36015
1145         * config/i386/i386.c (init_cumulative_args): Don't pass anything
1146         in registers for -m32 only if stdarg_p (fntype).
1148 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
1150         PR rtl-optimization/36006
1151         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
1152         temp to op0 in order to avoid invalid rtx sharing.
1154 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
1156         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
1157         check TREE_INVARIANT.
1158         * tree-gimple.c (is_gimple_address): New.
1159         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
1160         * tree-gimple.h (is_gimple_address): New.
1161         * tree.h (decl_address_invariant_p): New.
1162         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
1163         (build_string): Likewise.
1164         (decl_address_invariant_p): New, from is_gimple_invariant_address.
1165         (tree_invariant_p_1): Likewise.
1166         (save_expr): Use it.
1167         (tree_invariant_p): New.
1168         (skip_simple_arithmetic): Use it.
1169         (stabilize_reference_1): Use it.
1170         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
1171         simplify.
1172         (build1_stat): Drop code to compute TREE_INVARIANT.
1173         (build2_stat): Drop code to compute TREE_INVARIANT.
1174         (build3_stat): Drop code to compute TREE_INVARIANT.
1175         (build4_stat): Drop code to compute TREE_INVARIANT.
1176         (build5_stat): Drop code to compute TREE_INVARIANT.
1177         (build7_stat): Drop code to compute TREE_INVARIANT.
1178         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
1179         * tree.h (struct tree_base): Remove invariant_flag.
1180         (TREE_INVARIANT): Remove.
1181         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
1182         (fold_builtin_expect): Check TREE_CONSTANT.
1183         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
1184         * c-tree.h (c_expr_to_decl): Drop third parameter.
1185         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
1186         (build_c_cast): Don't set TREE_INVARIANT.
1187         (pop_init_level): Don't set TREE_INVARIANT.
1188         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
1189         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
1190         TREE_CONSTANT.
1191         (gimplify_init_constructor): Don't set TREE_INVARIANT.
1192         (gimplify_addr_expr): Adjust comment.
1193         * tree-mudflap.c (mf_build_string):
1194         * print-tree.c (print_node): Don't print TREE_INVARIANT.
1195         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
1196         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
1197         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
1198         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
1199         * langhooks.h (struct lang_hooks): Drop third parameter from
1200         expr_to_decl.
1202 2008-04-23  Richard Guenther  <rguenther@suse.de>
1204         PR tree-optimization/27799
1205         PR tree-optimization/32921
1206         PR tree-optimization/32624
1207         * tree-ssa-structalias.c (merge_smts_into): Only merge the
1208         SMTs aliases and the tag itself into the solution.
1209         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
1210         merge the points-to solution back into the SMT aliases.
1211         (may_alias_p): Use alias_set_subset_of instead of
1212         aliases_conflict_p.  A pointer which points to
1213         memory with alias set zero may access any variable.
1215 2008-04-23  Richard Guenther  <rguenther@suse.de>
1217         * alias.c (alias_set_subset_of): Correctly handle asking
1218         if zero is a subset of an alias set with zero child.
1219         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
1220         (compute_flow_insensitive_aliasing): Correctly walk all
1221         pointers.  Do not unnecessarily union sets.
1223 2008-04-23  Richard Guenther  <rguenther@suse.de>
1225         PR middle-end/36021
1226         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
1228 2008-04-22  Tomas Bily  <tbily@suse.cz>
1230         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
1231         unreachable case.
1232         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
1233         NON_LVALUE_EXPR.
1234         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
1235         * tree-ssa-structalias.c (get_constraint_for): Likewise.
1236         * tree-inline.c (estimate_num_insns_1): Likewise.
1237         * varasm.c (const_hash_1, compare_constant, copy_constant)
1238         (compute_reloc_for_constant, output_addressed_constants): Likewise.
1239         * emit-rtl.c (component_ref_for_mem_expr)
1240         (set_mem_attributes_minus_bitpos): Likewise.
1241         * expr.c (highest_pow2_factor, expand_expr_real_1, )
1242         (is_aligning_offset): Likewise.
1243         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
1244         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
1245         * dojump.c (do_jump): Likewise.
1246         * builtins.c (get_pointer_alignment, get_memory_rtx)
1247         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
1248         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
1250 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
1252         PR rtl-optimization/36017
1253         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
1254         expanding the library call.
1256 2008-04-22  Ian Lance Taylor  <iant@google.com>
1258         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
1259         than size_in_bytes.
1261 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
1263         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
1264         of LR/CTR moves for Power6.
1266 2008-04-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1268         PR middle-end/36003
1269         * passes.c (init_optimization_passes): Remove
1270         pass_fast_rtl_byte_dce.
1271         
1272 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
1274         PR target/29096
1275         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
1276         builtin functions to generate faster code.
1277         (_mm_cvtpu16_ps): Ditto.
1278         (_mm_cvtpi32x2_ps): Ditto.
1280 2008-04-22  Nick Clifton  <nickc@redhat.com>
1282         * common.opt (ftree-loop-distribution): Add Optimization
1283         attribute.
1285         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
1286         (frv_expand_builtin_va_start): Likewise.
1288         * config/arm/arm.c (thumb_find_work_register): Fix location of
1289         argument register count.
1291 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1293         Support scheduling for ColdFire V1 and V3 microarchitecture.
1294         Improve scheduling of multiplication instructions.
1296         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
1297         (mac): New instruction attribute.
1298         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
1299         (m68k_sched_mac): New variable.
1300         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
1301         Handle cfv1 and cfv3.
1302         (max_insn_size): New static variable.
1303         (struct _sched_ib): New type.
1304         (sched_ib): New static variable.
1305         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
1306         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
1307         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
1308         Update.
1309         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
1310         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
1311         new variables.  Update.
1312         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1313         Add modeling of cfv3 instruction buffer.  Update.
1314         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
1315         * config/m68k/m68k.h (TUNE_CFV3): New macro.
1316         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
1317         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
1318         a particular reservation applies to.
1319         (type2): Reorganize attribute values.  Rename alu to alu_reg,
1320         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
1321         to mul_l and mul_w.
1322         (cf_ib_*): Simplify description of instruction buffer.
1323         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
1324         (cf_mem): Split into cf_mem1 and cf_mem2.
1325         (cf_v2_move_??): Rename to cfv12_alu_??.
1326         (cf_v2_move_l_??): Rename to cfv12_omove_??.
1327         (cf_v2_mul_??): Remove reservations.
1328         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
1329         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
1330         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
1331         appropriate place.
1332         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
1333         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
1334         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
1335         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
1336         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
1337         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
1338         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
1339         expansions of the above reservations for instructions of sizes
1340         1, 2 and 3 words.
1342 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
1344         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
1346 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
1348         * coverage.c: Include tree-pass.h.
1349         (coverage_counter_alloc): Print da_file_name to the dump file.
1351 2008-04-21  Kenneth Zadeck <zadeck@naturalbridge.com>
1353         * sbitmap.c (sbitmap_range_empty_p): New function.
1354         * sbitmap.h (sbitmap_range_empty_p): New function.
1355         * bitmap.h: Now includes obstack.h.
1357 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
1358             Kenneth Zadeck <zadeck@naturalbridge.com>
1360         * dbgcnt.def (ra_byte_scan): Added.
1361         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
1362         when the last hit happens for a counter.  
1363         * timevar.def (TV_DF_BYTE_LR): New variable.
1364         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
1365         * passes.c (pass_fast_rtl_byte_dce): New pass.
1366         * fwprop.c (update_df): Added mode to call df_ref_create.
1367         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1368         DF_REF_EXTRACT_OFFSET.
1369         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
1370         DF_BYTE_LR_OUT, df_byte_lr): New macro.
1371         (df_mm): New enum.
1372         (df_ref_extract): Added mode field.
1373         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1374         DF_REF_EXTRACT_OFFSET.
1375         (DF_REF_EXTRACT_MODE): New macro.
1376         (df_byte_lr_bb_info): New structure.
1377         (df_print_byte_regset, df_compute_accessed_bytes, 
1378         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1379         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1380         df_byte_lr_simulate_uses,
1381         df_byte_lr_simulate_artificial_refs_at_top,
1382         df_byte_lr_simulate_artificial_refs_at_end,
1383         df_compute_accessed_bytes): New function.
1384         (df_ref_create): Add parameter.
1385         (df_byte_lr_get_bb_info): New inline function.
1386         * df-scan.c (df_ref_record, df_uses_record,
1387         df_ref_create_structure): Added mode parameter.
1388         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
1389         df_defs_record, df_uses_record, df_get_conditional_uses,
1390         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
1391         df_entry_block_defs_collect, df_exit_block_uses_collect):
1392         Added mode parameter to calls to df_ref_record, df_uses_record,
1393         df_ref_create_structure.
1394         (df_ref_equal_p, df_ref_compare): Added test for modes.
1395         (df_ref_create_structure): Added code to set mode.  Renamed
1396         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1397         DF_REF_EXTRACT_OFFSET.
1398         * df-core.c (df_print_byte_regset): New function.
1399         * df-byte-scan.c: New file.
1400         * df-problems.c (df_rd_transfer_function): Removed unnecessary
1401         calls to BITMAP_FREE.  
1402         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1403         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1404         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
1405         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
1406         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1407         df_byte_lr_local_compute, df_byte_lr_init,
1408         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
1409         df_byte_lr_transfer_function, df_byte_lr_free, 
1410         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1411         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
1412         df_byte_lr_simulate_uses,
1413         df_byte_lr_simulate_artificial_refs_at_top,
1414         df_byte_lr_simulate_artificial_refs_at_end): New function.
1415         * dce.c (byte_dce_process_block): New function.
1416         (dce_process_block): au is now passed in rather than computed
1417         locally.  Changed loops that look at artificial defs to not look
1418         for conditional or partial ones, because there never are any.  
1419         (fast_dce): Now is able to drive byte_dce_process_block or 
1420         dce_process_block depending on the kind of dce being done.
1421         (rest_of_handle_fast_dce): Add parameter to fast_dce.
1422         (rest_of_handle_fast_byte_dce): New function.
1423         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1424         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1426 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
1428         PR fortran/35019
1429         * gcc.h: Added fortran options that take arguments to
1430         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1431         macros.
1433 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
1435         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1436         scalarization if on the LHS and not a full access.
1438 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1440         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1442 2008-04-18  Rafael Espindola  <espindola@google.com>
1444         * tree-vrp.c (find_case_label_index): Fix the binary search.
1445         (find_case_label_range): New.
1446         (vrp_visit_switch_stmt): Use find_case_label_range.
1447         (simplify_switch_using_ranges): Use find_case_label_range.
1449 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
1451         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1452         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1454 2008-04-18  Tom Tromey  <tromey@redhat.com>
1456         PR libcpp/15500:
1457         * doc/cpp.texi (Implementation-defined behavior): Mention
1458         -finput-charset.
1460 2008-04-18  Ian Lance Taylor  <iant@google.com>
1462         * fold-const.c (pointer_may_wrap_p): New static function.
1463         (fold_comparison): Add another test for pointer overflow.  Use
1464         pointer_may_wrap_p to disable some false positives.
1466 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
1467           
1468         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1469         (fname_as_string): Match updated cpp_interpret_string prototype.
1470         (fix_string_type): Support char16_t* and char32_t*.
1471         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1472         derivative) nodes.  Register as builtin if C++0x.
1473         (c_parse_error): Support CPP_CHAR{16,32}.
1474         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
1475         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1476         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1477         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1478         CTI_CHAR32_ARRAY_TYPE>: New elements.
1479         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1480         char32_type_node, signed_char32_type_node, char16_array_type_node,
1481         char32_array_type_node): New defines.
1482         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1483         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1484         (lex_string): Support CPP_STRING{16,32}, match updated
1485         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1486         (lex_charconst): Support CPP_CHAR{16,32}.
1487         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1488         and CPP_STRING{16,32}.
1490 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
1492         PR bootstrap/35457
1493         * aclocal.m4: Regenerate.
1494         * configure: Regenerate.
1496 2008-04-18  Jan Hubicka  <jh@suse.cz>
1498         * except.c (dw2_size_of_call_site_table,
1499         sjlj_size_of_call_site_table): Use vector API for call_site_record.
1501         * cgraphbuild.c (build_cgraph_edges): Update.
1502         * tree-pass.h: Update comment.
1503         * final.c (leaf_function_p): Update.
1504         (leaf_renumber_regs): Update.
1505         (rest_of_clean_state): Update.
1506         * omp-low.c (expand_omp_parallel): Update.
1507         * ipa-reference.c (analyze_function): Update.
1508         * reorg.c (find_end_label): Update.
1509         (optimize_skip): Update.
1510         (fill_simple_delay_slots): Update.
1511         (fill_simple_delay_slots): Update.
1512         (make_return_insns): Update.
1513         (dbr_schedule): Update.
1514         * gimple-low.c (record_vars_into): Update.
1515         * cfgbuild.c (make_edges): Update.
1516         * function.c (assign_stack_local): Update.
1517         (assign_parm_adjust_stack_rtl): Update.
1518         (locate_and_pad_parm): Update.
1519         (allocate_struct_function): Do not initialize stack_alignment_needed
1520         and preferred_stack_boundary here.
1521         (stack_protect_prologue): Update.
1522         (stack_protect_epilogue): Update.
1523         (expand_function_start): Initialize stack_alignment_needed,
1524         preferred_stack_boundary and max_jumptable_ents.
1525         (expand_function_end): Update.
1526         (free_after_compilation): Do not NULLify epilogue_delay_list.
1527         * function.h (struct rtl_data): Add stack_protect_guard,
1528         stack_alignment_needed,
1529         preferred_stack_boundary, epilogue_delay_list.
1530         (struct function): Remove value_histograms, stack_alignment_needed,
1531         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1532         last_label_uid,
1533         unexpanded_var_list, stack_protect_guard.
1534         (current_function_epilogue_delay_list): Remove.
1535         * ipa-type-escape.c (analyze_function): Update.
1536         * gimplify.c (pop_gimplify_context): Update comment.
1537         * calls.c (expand_call): Update.
1538         (emit_library_call_value_1): Update.
1539         * except.c (set_nothrow_function_flags): Update.
1540         * cfgexpand.c (get_decl_align_unit): Update.
1541         (create_stack_guard): Update.
1542         (estimated_stack_frame_size): Update.
1543         (expand_used_vars): Update.
1544         (tree_expand_cfg): Free histogram earliers, init expansion variables.
1545         * explow.c (allocate_dynamic_stack_space): Update.
1546         * tree-ssa-live.c (remove_unused_locals): Update.
1547         * varasm.c (mark_constant_pool): Update.
1548         * tree-inline.c (remap_decls): Update.
1549         (initialize_cfun): Update.
1550         (declare_return_variable): Update.
1551         (inline_forbidden_p): Update.
1552         (expand_call_inline): Update.
1553         (declare_inline_vars): Update.
1554         (tree_function_versioning): Update.
1555         * tree-flow.h (value_histograms): New.
1556         (VALUE_HISTOGRAMS): New macro.
1557         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1558         last_label_uid.
1559         * tree-cfg.c (set_bb_for_stmt): Update.
1560         (replace_by_duplicate_decl): Update.
1561         (move_block_to_fn): Update.
1562         (new_label_mapper): Update.
1563         (dump_function_to_file): Update.
1564         * ipa-struct-reorg.c (build_data_structure): Update.
1565         * cfgrtl.c (print_rtl_with_bb): Update.
1566         * reload1.c (reload): Update.
1567         (reload): Update.
1568         * config/i386/i386.c (setup_incoming_varargs_64,
1569         ix86_compute_frame_layout): Update.
1570         * config/arc/arc.c (arc_output_function_epilogue): Update.
1572 2008-04-18  Marius Strobl <marius@FreeBSD.org>
1574         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1575         for FreeBSD as well.
1576         * gthr-posix95.h: Likewise.
1578 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
1580         PR rtl-optimization/35838
1581         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1582         out the byte offset of the first subreg.
1584 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
1586         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1587         to split_ti instead of three separate calls with single member arrays.
1588         (subti3 splitter): Ditto.
1589         (adddi3 splitter): Ditto with split_di.
1590         (subdi3 splitter): Ditto.
1591         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1592         two separate calls with single member arrays.  Swap match_dup
1593         operands 1 and 2 to better fit into the array.
1594         (negdi2 splitter): Ditto with split_di.
1595         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
1596         two separate calls with single member arrays.  Swap match_dup operands
1597         6 and 7 to better fit into the array.
1599 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
1601         * config/i386/i386.c (sse_builtin_type): New.
1602         (bdesc_sse_args): Likewise.
1603         (bdesc_sse_3arg): Removed.
1604         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1605         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1606         IX86_BUILTIN_ROUNDPS.
1607         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
1608         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
1609         IX86_BUILTIN_ROUNDPS.
1610         (ix86_expand_sse_4_operands_builtin): Removed.
1611         (ix86_expand_sse_operands_builtin): New.
1612         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1613         and CODE_FOR_sse4_1_roundps.
1614         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1615         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
1617 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
1619         PR target/35907
1620         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1621         regs before frame pop when needed.  If use_backchain_to_restore_sp
1622         then load backchain into a temp reg to restore vr and vrsave.  Add
1623         code to restore vr after frame pop if possible.
1625 2008-04-17  Richard Guenther  <rguenther@suse.de>
1627         * tree-vn.c (expressions_equal_p): Do not check type
1628         equality or compatibility before calling operand_equal_p.
1629         * fold-const.c (operand_equal_p): Check equivalence of
1630         integer constants before bailing out due to signedness or
1631         precision differences.
1632         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1633         spurious differences in type qualification.  Ignore types
1634         for COMPONENT_REFs at all.
1636 2008-04-17  Christian Bruel  <christian.bruel@st.com>
1638         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1639         msw_skip comparison.
1640         
1641 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
1643         PR c/35739
1644         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1645         reg type.
1647         PR tree-optimization/35899
1648         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1649         rather than TREE_OPERAND.
1651 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
1653         PR target/35944
1654         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1655         temporary registers.  Change operand predicate to general_operand.
1656         (remainderxf3): Ditto.
1658 2008-04-16  Richard Guenther  <rguenther@suse.de>
1660         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1661         * tree-affine.c (aff_combination_expand): Look through some
1662         conversions.
1664 2008-04-15  Doug Kwan  <dougkwan@google.com>
1666         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1667         for hex printing.
1668         * tree-pretty-print.c (dump_generic_node): Ditto.
1669         * final.c (output_addr_const): Ditto.
1670         * dwarf2out.c (output_cfi): Ditto.
1671         * c-pretty-print.c (pp_c_integer_constant): Ditto.
1672         * print-rtl.c (print_rtx): Ditto.
1673         * print-tree.c (print_node_brief, print_node): Ditto.
1674         * c-common.c (match_case_to_enum_1): Ditto.
1675         * sched-vis.c (print_value): Ditto.
1676         * config/i386/i386.c (print_operand): Cast to long unsigned int
1677         for hex printing.
1679 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
1680         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
1681         MS Windows VirtualProtect function.
1683 2008-04-15  Jan Hubicka  <jh@suse.cz>
1685         * gengtype.c (write_root): Param_is argument is OK.
1686         * expr.c (expand_expr_real_1): Update call of get_exception_*.
1687         * function.h: Include varray.h
1688         (rtl_eh): New stucture based on except.c one.
1689         (call_site_record): New forward declaration and vector type.
1690         * calls.c (emit_call_1): Do not call
1691         note_current_region_may_contain_throw.
1692         * except.c (eh_status): Remove cur_region, try_region since they are
1693         unused.
1694         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1695         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1696         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
1697         Remove call_site_data_used, call_site_data_size.
1698         Turn call_site_record into vector in function.h.
1699         (note_current_region_may_contain_throw): Remove.
1700         (get_exception_pointer, get_exception_filter): Do not take struct
1701         function argument; update.
1702         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1703         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1704         build_post_landing_pads, dw2_build_landing_pads,
1705         sjlj_assign_call_site_values, sjlj_mark_call_sites,
1706         sjlj_emit_function_enter, sjlj_emit_function_enter, 
1707         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1708         sjlj_build_landing_pads, finish_eh_generation,
1709         remove_exception_handler_label, remove_eh_handler,
1710         maybe_remove_eh_handler, add_reachable_handler,
1711         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1712         add_action_record, collect_one_action_chain, add_call_site,
1713         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1714         sjlj_output_call_site_table, output_function_exception_table,
1715         * except.h (note_current_region_may_contain_throw): Remove
1716         (get_exception_pointer, get_exception_filter): Do not take struct
1717         function argument.
1718         * Makefile.in (GTFILES): Put varargs before struct function.
1720 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
1722         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1723         punt for STRING_CST.
1724         (get_constraint_for): Deal with STRING_CST here instead.
1726 2008-04-15  Richard Guenther  <rguenther@suse.de>
1728         * tree-ssa-propagate.c (substitute_and_fold): Substitute
1729         statements in a basic-block with a backward walk.  Do not
1730         substitute into dead statements but instead remove those.
1732 2008-04-15  Richard Guenther  <rguenther@suse.de>
1734         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1735         to zero, thus disable creation of SFTs.
1737 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
1739         * tree-predcom.c (suitable_reference_p): Return false if the
1740         reference can throw.
1742 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
1744         PR c/35751
1745         * c-decl.c (finish_decl): If extern or static var has variable
1746         size, set TREE_TYPE (decl) to error_mark_node.
1748 2008-04-15  Rafael Espindola  <espindola@google.com>
1750         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1751         variable arg1.
1753 2008-04-15  Richard Guenther  <rguenther@suse.de>
1755         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1756         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1757         (visit_reference_op_load): Do walk vuse-vdef chains on
1758         vn_reference_lookup.
1759         (visit_reference_op_store): But do not here.
1760         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1761         vn_reference_lookup.
1762         (vn_lookup_with_vuses): But do so here.
1764 2008-04-14  Ian Lance Taylor  <iant@google.com>
1766         * fold-const.c (fold_overflow_warning): Remove assertion.
1768 2008-04-15  Ben Elliston  <bje@au.ibm.com>
1770         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1771         temp1 local variables.
1773 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
1775         PR target/35661
1776         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1777         ".text.unlikely" section as executable.
1779 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
1781         * config/ia64/ia64.c (rtx_needs_barrier): Handle
1782         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1783         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1784         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1785         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1786         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1787         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1789 2008-04-14  Ian Lance Taylor  <iant@google.com>
1791         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1792         * fold-const.c (fold_comparison): If appropriate, test
1793         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1794         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1795         reassociating a pointer type.
1796         * doc/invoke.texi (Optimize Options): Document that
1797         -fstrict-overflow applies to pointer wraparound.
1799 2008-04-13  Jan Hubicka  <jh@suse.cz>
1801         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1803 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
1805         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1806         we are going to "save the world".
1808 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
1810         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1811         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1812         operand 0 constraint, not "=".
1814 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
1816         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1818 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1820         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1821         of size of positions_needed * CHAR_BIT.
1823 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
1825         PR middle-end/35897
1826         * dse.c (store_info): Change positions_needed to unsigned
1827         HOST_WIDE_INT.
1828         (lowpart_bitmask): New.
1829         (record_store): Cast to unsigned HOST_WIDE_INT for
1830         positions_needed.  Assert width <= size of positions_needed *
1831         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
1832         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
1833         lowpart_bitmask to set mask.
1835 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
1837         * config/bfin/constraints.md: New file.
1838         * config/bfin/bfin.md: Include it.
1839         (adddi3): Use satisfies_constraint functions instead of the old macros.
1840         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1841         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1842         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1843         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1844         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1845         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1846         EXTRA_CONSTRAINT): Delete.
1847         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1848         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1849         of the old macros.
1850         * config/bfin/bfin.c: Include "tm-constrs.h".
1851         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1852         Use satisfies_constraint functions instead of the old macros.
1853         * doc/md.texi (Blackfin Constraints): Update file name reference.
1855 2008-04-11  Richard Guenther  <rguenther@suse.de>
1857         PR tree-optimization/35869
1858         * tree-vrp.c (execute_vrp): Move switch statement update after
1859         jump threading.  Schedule another cfg cleanup run.
1861 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
1863         PR c/35744
1864         * attribs.c (decl_attributes): Return early on errorneous node.
1866 2008-04-10  Oleg Ryjkov  <olegr@google.com>
1868         * tree.h (struct tree_base): Added a new flag default_def_flag.
1869         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1871 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
1873         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1875 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1877         PR target/35768
1878         * pa.md: Define mode iterator P.  Define mode attribute dwc.
1879         (dcacheflush): Update pattern to use iterator P and attribute dwc.
1880         (icacheflush): Likewise.
1881         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1882         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1884 2008-04-11  Ben Elliston  <bje@au.ibm.com>
1886         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1888 2008-04-10  Rafael Espindola  <espindola@google.com>
1890         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1891         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1892         (extract_range_from_expr): The same.
1894 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
1896         * config/mips/mips.md (GPR2): New mode iterator.
1897         (seq): Add comment.
1898         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1899         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1900         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1901         Rewrite these to take two modes, the mode of comparison and the
1902         mode of the destination.
1903         * config/mips/mips.c (mips_expand_scc): Instead of having
1904         paradoxical subreg as destination, expand "narrowing" scc if mode
1905         of comparison is SI and target is requested in DI mode.
1906         (mips_emit_int_order_test): Update comment.  Make mode of
1907         comparison match CMP0 rather than TARGET.  When creating inverse
1908         target use mode of TARGET.
1910 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
1912         * gcov-dump.c (tag_summary): Only print summaries for the first
1913         GCOV_COUNTERS_SUMMABLE counters.
1915 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
1917         * config/i386/i386.md (absneg): New code iterator.
1918         (absnegprefix): New code attribute.
1919         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1920         patterns using absneg code iterator.
1921         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1922         using absneg code iterator.
1923         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1924         *neg<mode>2 patterns using absneg code iterator.
1925         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1926         *negextendsfdf2 patterns using absneg code iterator.
1927         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1928         *negextendsfxf2 patterns using absneg code iterator.
1929         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1930         *negextendsfdf2 patterns using absneg code iterator.
1931         * config/i386/sse.md (<code><mode>2): Macroize expander from
1932         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
1934 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1936         * config/s390/s390.h: Remove the remains of the recent search
1937         & replace action of current_function_outgoing_args_size.
1939 2008-04-10  Ira Rosen  <irar@il.ibm.com>
1941         PR tree-optimization/35821
1942         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1943         NEW_STMT_LIST is not NULL.
1945 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
1947         PR libstdc++/35597
1948         * toplev.c (process_options): Remove -ffunction-sections debugging
1949         warning.
1951 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
1953         PR middle-end/PR28690
1954         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1955         than gen_rtx_fmt_ee to perform more canonicalizations.
1957 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1959         PR driver/35665
1960         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1962 2008-04-09  Richard Guenther  <rguenther@suse.de>
1964         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1965         (dump_function_to_file): Dump function arguments with types.
1967 2008-04-08  Richard Guenther  <rguenther@suse.de>
1969         * fold-const.c (fold_widened_comparison): Do not allow
1970         sign-changes that change the result.
1972 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
1974         PR target/35839
1975         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1976         kinds of indirect references.
1978 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
1980         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1981         GNU Fortran language string.
1983 2008-04-08  Rafael Espindola  <espindola@google.com>
1985         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1986         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1987         * tree.h (tree_call_nonnegative_warnv_p): New.
1989 2008-04-08  Jan Hubicka  <jh@suse.cz>
1991         * function.c (free_after_compilation): Clear out regno_reg_rtx
1992         pointer.
1994 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
1996         Revert
1997         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
1999         PR middle-end/PR28690
2000         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
2001         same precedence as REG_POINTER and MEM_POINTER operands.
2003 2008-04-08  Richard Guenther  <rguenther@suse.de>
2005         PR middle-end/35834
2006         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
2007         for adding index to base.
2009 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
2011         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
2012         (MINGW_ENABLE_EXECUTE_STACK): New.
2013         (IN_LIBGCC2): For libgcc include windows.h file for
2014         function declarations.
2016 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
2018         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
2019         and tem2 if tem1 is not a REG or MULT.
2021 2008-04-08  Jan Hubicka  <jh@suse.cz>
2023         * function.h (incomming_args): Break out of struct function.
2024         (function_subsections): Break out of struct function.
2025         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
2026         return_rtx and hard_reg_initial_vals from struct function.
2027         Kill inl_max_label_num.
2028         (current_function_pops_args, current_function_args_info,
2029         current_function_args_size, current_function_args_size,
2030         current_function_pretend_args_size,
2031         current_function_outgoing_args_size,
2032         current_function_internal_arg_pointer, current_function_return_rtx):
2033         Kill compatibility accestor macros.
2034         * builtins.c (expand_builtin_apply_args_1): Update.
2035         (expand_builtin_next_arg): Update.
2036         * df-scan.c (df_get_call_refs): Update.
2037         * dbxout.c (dbxout_function_end): Update.
2038         * dwarf2out.c (dwarf2out_switch_text_section): Update.
2039         (output_line_info): Update.
2040         (secname_for_decl): Update.
2041         (dwarf2out_var_location): Update.
2042         * function.c (free_after_compilation): Update.
2043         (assign_parm_find_stack_rtl): Update.
2044         (assign_parms): Update.
2045         (expand_dummy_function_end): Update.
2046         (expand_function_end): Update.
2047         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
2048         (expand_call): Update.
2049         (emit_library_call_value_1): Update.
2050         (store_one_arg): Update.
2051         * varasm.c (initialize_cold_section_name): Update.
2052         (unlikely_text_section): Update.
2053         (unlikely_text_section_p): Update.
2054         (assemble_start_function): Update.
2055         (assemble_end_function): Update.
2056         (default_section_type_flags): Update.
2057         (switch_to_section): Update.
2058         * integrate.c (set_decl_abstract_flags): Update.
2059         (get_hard_reg_initial_val): Update.
2060         (has_hard_reg_initial_val): Update.
2061         (allocate_initial_values): Update.
2062         * resource.c (init_resource_info): Update.
2063         * config/alpha/alpha.c (NUM_ARGS): Update.
2064         (direct_return): Update.
2065         (alpha_va_start): Update.
2066         (alpha_sa_size): Update.
2067         (alpha_initial_elimination_offset): Update.
2068         (alpha_expand_prologue): Update.
2069         (alpha_start_function): Update.
2070         (alpha_expand_epilogue): Update.
2071         (unicosmk_initial_elimination_offset):
2072         * config/alpha/alpha.md (call expander): Update.
2073         * config/s390/s390.c (s390_register_info): Update.
2074         (s390_register_info): Update.
2075         (s390_frame_info): Update.
2076         (s390_initial_elimination_offset): Update.
2077         (s390_build_builtin_va_list): Update.
2078         (s390_va_start): Update.
2079         * config/spu/spu.c (direct_return): Update.
2080         (spu_expand_prologue): Update.
2081         (spu_initial_elimination_offset): Update.
2082         (spu_build_builtin_va_list): Update.
2083         (spu_va_start): Update.
2084         * config/sparc/sparc.c (sparc_init_modes): Update.
2085         (sparc_compute_frame_size): Update.
2086         (function_value): Update.
2087         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
2088         * config/i386/i386.md (return expander): Update.
2089         * config/i386/i386.c (ix86_va_start): Update.
2090         (ix86_can_use_return_insn_p): Update.
2091         (ix86_compute_frame_layout): Update.
2092         (ix86_expand_epilogue): Update.
2093         * config/sh/sh.c (output_stack_adjust): Update.
2094         (calc_live_regs): Update.
2095         (sh_expand_prologue): Update.
2096         (sh_builtin_saveregs): Update.
2097         (sh_va_start): Update.
2098         (initial_elimination_offset): Update.
2099         (sh_allocate_initial_value): Update.
2100         (sh_function_ok_for_sibcall): Update.
2101         (sh_get_pr_initial_val): Update.
2102         * config/sh/sh.md (return expander): Update.
2103         * config/avr/avr.c (frame_pointer_required_p): UPdate.
2104         * config/crx/crx.c (crx_compute_frame): UPdate.
2105         (crx_initial_elimination_offset): UPdate.
2106         * config/xtensa/xtensa.c (compute_frame_size): Update
2107         (xtensa_builtin_saveregs): Update.
2108         (xtensa_va_start): Update.
2109         (order_regs_for_local_alloc): Update.
2110         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
2111         (xstormy16_expand_builtin_va_start): Update.
2112         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
2113         * config/m68hc11/m68hc11.md (return expanders): Update.
2114         * config/m68hc11/m68hc11.c (expand_prologue): Update.
2115         (expand_epilogue): Update.
2116         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
2117         (cris_simple_epilogue): Update.
2118         (cris_expand_prologue): Update.
2119         (cris_expand_epilogue): Update.
2120         * config/iq2000/iq2000.c (iq2000_va_start): Update.
2121         (compute_frame_size): Update.
2122         * config/mt/mt.c (mt_compute_frame_size): Update.
2123         * config/mn10300/mn10300.c (expand_prologue): Update.
2124         (expand_epilogue): Update.
2125         (initial_offset): Update.
2126         (mn10300_builtin_saveregs):
2127         * config/mn10300/mn10300.md (return expander): Update.
2128         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2129         (ia64_initial_elimination_offset): Update.
2130         (ia64_initial_elimination_offset): Update.
2131         (ia64_expand_prologue): Update.
2132         * config/m68k/m68k.md (return expander): Update.
2133         * config/rs6000/rs6000.c (rs6000_va_start): Update.
2134         (rs6000_stack_info): Update.
2135         * config/mcore/mcore.c (layout_mcore_frame): Update.
2136         (mcore_expand_prolog): Update.
2137         * config/arc/arc.c (arc_compute_frame_size): Update.
2138         * config/score/score3.c (score3_compute_frame_size): Update.
2139         * config/score/score7.c (score7_compute_frame_size): Update.
2140         * config/arm/arm.c (use_return_insn): Update.
2141         (thumb_find_work_register): Update.
2142         (arm_compute_save_reg_mask): Update.
2143         (arm_output_function_prologue): Update.
2144         (arm_output_epilogue): Update.
2145         (arm_size_return_regs): Update.
2146         (arm_get_frame_offsets): Update.
2147         (arm_expand_prologue): Update.
2148         (thumb_exit): Update.
2149         (thumb_unexpanded_epilogue): Update.
2150         (thumb1_output_function_prologue): Update.
2151         * config/pa/pa.md (return expander): Update.
2152         * config/pa/pa.c (compute_frame_size): Update.
2153         (hppa_builtin_saveregs): Update.
2154         * config/mips/mips.c (mips_va_start): Update.
2155         (mips16_build_function_stub): Update.
2156         (mips_compute_frame_info): Update.
2157         (mips_restore_gp): Update.
2158         (mips_output_function_prologue): Update.
2159         (mips_expand_prologue): Update.
2160         * config/v850/v850.c (compute_frame_size): Update.
2161         (expand_prologue): * config/mmix/mmix.c (along): update.
2162         (mmix_initial_elimination_offset): update.
2163         (mmix_reorg): update.
2164         (mmix_use_simple_return): update.
2165         (mmix_expand_prologue): update.
2166         (mmix_expand_epilogue): Update.
2167         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
2168         (emit_link_insn): Update.
2170 2008-04-08  Anatoly Sokolov <aesok@post.ru>
2172         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
2173         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
2174         instructions.
2175         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
2176         atmega103 device.
2178 2008-04-07  Jan Hubicka  <jh@suse.cz>
2180         * function.h (rtl): Rename to x_rtl.
2181         (crtl): New define.
2182         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2183         frame_offset, stack_check_probe_note, arg_pointer_save_area,
2184         used_temp_slots avail_temp_slots, temp_slot_level,
2185         nonlocal_goto_handler_labels): Update accesstors.
2186         (rtl): New global variable.
2187         (struct function): Move some fileds to rtl_data.
2188         (get_arg_pointer_save_area): Update prototype.
2189         * builtins.c (expand_builtin_setjmp_receiver): Update call of
2190         get_arg_pointer_save_area.
2191         * expr.c (init_expr): Update
2192         * function.c (get_frame_size): Update
2193         (assign_stack_local): Update
2194         (expand_function_end): Update.
2195         (get_art_pointer_save_area): Update
2196         * function.h 
2197         * emit-rtl.c (rtl): Declare.
2198         (regno_reg_rtx): Declare.
2199         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2200         Update.
2201         (gen_reg_rtx): Update.
2202         * varasm.c (n_deferred_constatns): Update accestor.
2203         (init_varasm_status): Do not allocate varasm_status.
2204         (force_const_mem, get_pool_size, output_constant_pool): Update.
2205         * stmt.c (force_label_rtx): Do not use x_ prefixes.
2206         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2207         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
2208         * sparc/sparc.h (INIT_EXPANDERS): Update.
2209         * ia64/ia64.h (INIT_EXPANDERS): Update.
2211 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
2213         * reload.c (push_secondary_reload): Add missing break to for loop.
2215 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
2217         PR middle-end/PR28690
2218         * rtlanal.c: Update copyright years.
2219         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
2220         as REG_POINTER and MEM_POINTER operands.
2221         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
2222         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
2223         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
2224         * gcse.c: Update copyright years.
2225         (pre_delete): Call gen_reg_rtx_and_attrs.
2226         (hoist_code): Likewise.
2227         (build_store_vectors): Likewise.
2228         (delete_store): Likewise.
2229         * loop-invariant.c (move_invariant_reg): Likewise.
2230         Update copyright years.
2232 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
2234         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
2235         control string instead of quoted.
2237 2008-04-07  Kenneth Zadeck <zadeck@naturalbridge.com>
2239         * doc/rtl.texi: Rewrite of subreg section.
2241 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
2243         PR/35842
2244         * config/i386/i386.c (legitimize_pic_address): Add treating
2245         of dllimport SYM_REF's.
2246         (legitimize_dllimport_symbol): Add prototype.
2248 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
2250         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
2251         reference in constructor with non self-referential type.
2253 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
2255         Removal of Return with Depressed Stack Pointer support
2256         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
2257         (ECF_SP_DEPRESSED): Likewise.
2258         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
2259         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
2260         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2261         (expand_call): Do not test ECF_SP_DEPRESSED.
2262         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2263         * function.c (keep_stack_depressed): Delete.
2264         (handle_epilogue_set): Likewise.
2265         (update_epilogue_consts): Likewise.
2266         (emit_equiv_load): Likewise.
2267         (thread_prologue_and_epilogue_insns): Remove support for Return with
2268         Depressed Stack Pointer.
2269         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
2271 2008-04-06  Richard Guenther  <rguenther@suse.de>
2273         PR tree-optimization/35400
2274         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
2275         information from SSA_NAMEs.
2277 2008-04-06  Anatoly Sokolov <aesok@post.ru>
2279         * config/avr/avr.h (avr_mega_p): Remove declaration.
2280         (AVR_MEGA): Remove macro.
2281         * config/avr/avr.c (avr_mega_p): Remove variable.
2282         (avr_override_options): Remove inicializion of avr_mega_p.
2283         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2284         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
2285         (avr_jump_mode): (Ditto.).
2286         (avr_output_progmem_section_asm_op): (Ditto.).
2287         (avr_asm_init_sections): (Ditto.).
2288         (avr_asm_init_sections): (Ditto.).
2289         (avr_rtx_costs): (Ditto.).
2290         * config/avr/avr.md: (Ditto.).
2291         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
2292         '__AVR_MEGA__'.
2294 2008-04-06  Richard Guenther  <rguenther@suse.de>
2296         PR tree-optimization/35842
2297         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
2298         is_gimple_invariant_address.
2300 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2302         * gcc.c (default_compilers): Sync Fortran extensions list with
2303         that in fortran/lang-specs.h.
2304         * doc/invoke.texi: Likewise.
2305         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
2306         * dwarf2out.c (gen_compile_unit_die): Likewise.
2308 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
2310         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
2312 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
2314         PR target/12329
2315         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
2316         attribute is used for nested functions.
2318 2008-04-05  Jan Hubicka  <jh@suse.cz>
2320         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
2322         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
2323         letter argument.
2324         (dump_files): Update.
2325         (enable_rtl_dump_file): Do not accept letter argument.
2326         * tree-pass.h (dump_file_info): Remove letter argument.
2327         * toplev.c (decode_d_option): Update -da handling.
2328         * toplev.h (enable_rtl_dump_file): Update prototype.
2329         * passes.c (register_one_dump_file): Do not accept IPA argument; work
2330         it out based on pass type.
2331         (register_dump_files_1): Likewise.
2332         (init_optimization_passes): Update register_one_dump_file calls.
2333         (execute_one_pass): Sanity check that IPA passes are called at IPA
2334         level and RTL passes at RTL level.
2335         (execute_pass_list): IPA pass can not be after or subpass of
2336         GIMPLE/RTL pass.
2337         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
2338         disallov RTL subpasses of IPA subpasses.
2340 2008-04-05  Ben Elliston  <bje@au.ibm.com>
2342         * tree-cfg.c (need_fake_edge_p): Return false for calls to
2343         builtins that return exactly once and do not throw. Cache call to
2344         call_expr_flags.
2346 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
2348         PR rtl-optimization/34916
2349         PR middle-end/35519
2350         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
2351         between instruction pairs.
2353 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
2355         * doc/invoke.texi: Document -mbitops for SH.
2356         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
2357         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
2358         * config/sh/sh.c (print_operand): Add %t operand code.
2359         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
2360         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
2361         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
2362         (extendqihi2): Likewise.
2363         (movqi_i): Likewise.
2364         (insv): Use bset, bclr and bst instructions for SH2A if possible.
2365         (extv): Use bld instruction for SH2A if possible.
2366         (extzv): Likewise.
2367         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2368         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2369         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2370         (bset.b, bclr.b): Define peepholes.
2371         * config/sh/sh.opt (mbitops): New option.
2373 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
2375         PR target/35620
2376         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2377         and view convert expression.
2379 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
2381         PR target/35364
2382         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2384 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
2386         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2388         * config/i386/cpuid.h (bit_AES): New.
2389         (bit_PCLMUL): Likewise.
2391         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2392         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
2393         SSE2 if AES or PCLMUL is enabled.
2394         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2395         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2396         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2397         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2398         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2399         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2400         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2401         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2402         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2403         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2404         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2405         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2406         __builtin_ia32_aeskeygenassist128 and
2407         __builtin_ia32_pclmulqdq128.
2408         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2409         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2410         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
2412         * config/i386/i386.h (TARGET_AES): New.
2413         (TARGET_PCLMUL): Likewise.
2414         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2416         * config/i386/i386.md (UNSPEC_AESENC): New.
2417         (UNSPEC_AESENCLAST): Likewise.
2418         (UNSPEC_AESDEC): Likewise.
2419         (UNSPEC_AESDECLAST): Likewise.
2420         (UNSPEC_AESIMC): Likewise.
2421         (UNSPEC_AESKEYGENASSIST): Likewise.
2422         (UNSPEC_PCLMUL): Likewise.
2424         * config/i386/i386.opt (maes): New.
2425         (mpclmul): Likewise.
2427         * config/i386/sse.md (aesenc): New pattern.
2428         (aesenclast): Likewise.
2429         (aesdec): Likewise.
2430         (aesdeclast): Likewise.
2431         (aesimc): Likewise.
2432         (aeskeygenassist): Likewise.
2433         (pclmulqdq): Likewise.
2435         * config/i386/wmmintrin.h: New.
2437         * doc/extend.texi: Document AES and PCLMUL built-in function.
2439         * doc/invoke.texi: Document -maes and -mpclmul.
2441 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
2443         * function.c (free_after_parsing): Replace with
2444         cxx_push_function_context from C++ front-end.
2445         (allocate_struct_function): Don't call langhook.
2446         * langhooks.h (struct lang_hooks_for_functions): Delete.
2447         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2448         member "function".
2449         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2450         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2451         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2452         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2453         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2454         remove LANG_HOOKS_FUNCTION_INITIALIZER.
2455         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2457         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2458         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2459         
2460 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
2462         PR c/35440
2463         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2464         for all types.
2466 2008-04-04  Richard Guenther  <rguenther@suse.de>
2468         PR middle-end/35823
2469         * fold-const.c (optimize_minmax_comparison): Use the correct
2470         type for the constant in the simplified comparison.
2472 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
2474         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2475         Pass L2 size as "--param l2-cache-size" to the compiler.
2476         (decode_l2_cache): New function to decode L2 cache parameters using
2477         0x8000006 extended cpuid function.
2478         (detect_caches_amd): Determine parameters of L2 cache using
2479         decode_l2_caches function.
2480         (decode_caches_intel): Decode L2 cache parameters.
2481         (detect_caches_intel): Determine L2 cache parameters using
2482         decode_caches_intel and decode_l2_caches functions.
2484 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
2486         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2487         secondary input reload for subword loads from the constant pool.
2489 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
2491         PR target/35713
2492         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2493           constants of the appropriate size for runtime calculations.
2495         PR c/35712
2496         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2497           decimal-float literal constant zero.
2499 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
2501         PR c/35738
2502         * c-parser.c (c_parser_omp_atomic): Call
2503         default_function_array_conversion on the RHS.
2505         PR middle-end/35818
2506         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2507         call is_variable_sized if decl has incomplete type.
2509 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
2511         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2513 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
2515         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2516         iterators.
2517         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2518         (sgt<u>): Merge sgt and sgtu into new expander.
2519         (sgt, sgtu): Remove expanders.
2520         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2521         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2522         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2523         *sgtu_<mode>_mips16 into new pattern.
2524         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2525         (sge<u>): Merge sge and sgeu into new expander.
2526         (sge, sgeu): Remove expanders.
2527         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2528         new pattern.
2529         (*sge_<mode>, second *sge_<mode>): Remove patterns.
2530         (slt<u>): Merge slt and sltu into new expander.
2531         (slt, sltu): Remove expanders.
2532         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2533         (*slt_<mode>, *sltu_<mode>): Remove patterns.
2534         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2535         *sltu_<mode>_mips16 into new pattern.
2536         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2537         (sle<u>): Merge sle and sleu into new expander.
2538         (sle, sleu): Remove expanders.
2539         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2540         (*sle_<mode>, *sleu_<mode>): Remove patterns.
2541         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2542         *sleu_<mode>_mips16 into new pattern.
2543         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2545 2008-04-03  Jan Hubicka  <jh@suse.cz>
2547         PR tree-optimization/35795
2548         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2549         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2550         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2551         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2552         * score/score3.c (score3_output_mi_thunk): Likewise.
2553         * score/score7.c (score7_output_mi_thunk): Likewise.
2554         * mips/mips.c (mips_output_mi_thunk): Likewise.
2556 2008-04-03  Richard Guenther  <rguenther@suse.de>
2558         * tree-vrp.c (extract_range_from_unary_expr): Handle all
2559         conversions.  Simplify code.
2561 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
2563         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2565 2008-04-03  Tom Tromey  <tromey@redhat.com>
2566             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2568         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2569         * config/bfin/t-bfin-linux (generated_files): Add
2570         linux-sysroot-suffix.h.
2571         * doc/install.texi (Prerequisites): Require make 3.80.
2572         * doc/sourcebuild.texi (Front End Directory): Document new
2573         variable.
2574         * Makefile.in (generated_files): New variable.
2575         (ALL_HOST_OBJS): New variable.
2576         ($(ALL_HOST_OBJS)): New target.
2578 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
2580         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2581         (remap_block): Call id->transform_lang_insert_block instead
2582         of langhook.
2583         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2584         Set id.transform_lang_insert_block to NULL.
2585         (clone_body): Move to cp/optimize.c
2586         * tree-inline.h (struct copy_body_data): Change
2587         transform_lang_insert_block to function pointer.
2588         (copy_generic_body, copy_decl_no_change): Export.
2589         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2590         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2591         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2593         * c-tree.h (insert_block): Kill.
2594         * c-decl.c (insert_block): Kill.
2596 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
2598         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2599         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2600         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2601         argument.
2602         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2603         argument, call {push,pop}_function_context from here.
2604         * c-parser.c: Use c_{push,pop}_function_context.
2606         * function.c (push_function_context_to): Move meat ...
2607         (push_function_context): ... here.  Simplify.
2608         * function.c (pop_function_context_from): Move meat ...
2609         (pop_function_context): ... here.  Simplify.
2610         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2611         leave_nested).
2612         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2613         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2614         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2615         * tree.h (push_function_context_to, pop_function_context_from): Remove.
2617 2008-04-03  Ben Elliston  <bje@au.ibm.com>
2619         * expmed.c (extract_force_align_mem_bit_field): Remove.
2621 2008-04-03  Richard Guenther  <rguenther@suse.de>
2623         PR middle-end/35800
2624         * expr.h (try_casesi): Adjust prototype.
2625         * expr.c (try_casesi): Take fallback label as extra parameter.
2626         Use that for gen_casesi if default_label is NULL.
2627         * stmt.c (expand_case): Pass fallback label to try_casesi,
2628         make sure to fill gaps with a fallback label if default_label
2629         is not present.
2631 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
2633         PR target/35801
2634         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2636 2008-04-03  Ben Elliston  <bje@au.ibm.com>
2638         * expmed.c (extract_split_bit_field): Remove if (0) code.
2639         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2640         (do_ds_constraint): Likewise.
2642 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
2644         * doc/cppopts.texi (-dU): Document.
2645         * c-common.h (flag_dump_macros): Update comment.
2646         * c-opts.c (handle_OPT_d): Handle -dU.
2647         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2648         dump_queued_macros, cb_used_define, cb_used_undef): New.
2649         (init_pp_output): Handle -dU.
2650         (cb_line_change): Call dump_queued_macros.
2651         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2653 2008-04-02  Anatoly Sokolov <aesok@post.ru>
2655         * config/avr/predicates.md (io_address_operand): New predicate. 
2656         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2657         * config/avr/avr.c (avr_io_address_p): Remove function.
2658         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
2659         'avr_io_address_p' function.
2660         (out_movhi_r_mr): (Ditto.).
2661         (out_movqi_mr_r): (Ditto.).
2662         (out_movhi_mr_r): (Ditto.).
2663         (avr_address_cost): (Ditto.).
2665 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
2667         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2668         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2669         in 32bit mode when XMM registers are available to avoid store
2670         forwarding stalls.
2671         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2672         corresponding post-reload splitters.
2674 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2676         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2677         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
2678         __builtin_ia32_roundss.
2679         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2680         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2681         __builtin_ia32_roundss.
2682         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2683         IX86_BUILTIN_SHUFPD here.
2685 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
2687         * config/i386/i386.md (plogic): New.
2688         (plogicprefix): Likewise.
2690         * config/i386/mmx.md (mmx_<code><mode>3): New.
2691         (mmx_and<mode>3): Removed.
2692         (mmx_ior<mode>3): Likewise.
2693         (mmx_xor<mode>3): Likewise.
2695         * config/i386/sse.md (<code><mode>3): New.
2696         (*<code><mode>3): Likewise.
2697         (*<code><mode>3): Likewise.
2698         (<code><mode>3): Likewise.
2699         (*sse_<code><mode>3): Likewise.
2700         (*sse2_<code><mode>3): Likewise.
2701         (<code>tf3): Likewise.
2702         (*<code>tf3): Likewise.
2703         (and<mode>3): Likewise.
2704         (*and<mode>3): Likewise.
2705         (ior<mode>3): Removed.
2706         (*ior<mode>3): Likewise.
2707         (xor<mode>3): Likewise.
2708         (*xor<mode>3): Likewise.
2709         (*and<mode>3): Likewise.
2710         (*ior<mode>3): Likewise.
2711         (*xor<mode>3): Likewise.
2712         (and<mode>3): Likewise.
2713         (*sse_and<mode>3): Likewise.
2714         (*sse2_and<mode>3): Likewise.
2715         (andtf3): Likewise.
2716         (*andtf3): Likewise.
2717         (ior<mode>3): Likewise.
2718         (*sse_ior<mode>3): Likewise.
2719         (*sse2_ior<mode>3): Likewise.
2720         (iortf3): Likewise.
2721         (*iortf3): Likewise.
2722         (xor<mode>3): Likewise.
2723         (*sse_xor<mode>3): Likewise.
2724         (*sse2_xor<mode>3): Likewise.
2725         (xortf3): Likewise.
2726         (*xortf3): Likewise.
2728 2008-04-02  Richard Guenther  <rguenther@suse.de>
2730         PR tree-optimization/14495
2731         PR tree-optimization/34793
2732         * tree-vrp.c (struct switch_update): New structure.
2733         (to_remove_edges, to_update_switch_stmts): New VECs.
2734         (simplify_switch_using_ranges): New function.  Remove not taken
2735         case labels and edges.
2736         (simplify_stmt_using_ranges): Call it.
2737         (identify_jump_threads): Mark edges we have queued for removal
2738         so we don't thread them.
2739         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2740         case label vector.
2741         * tree-cfg.c (group_case_labels): Deal with missing default label.
2742         (tree_verify_flow_info): Allow missing default label.
2743         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2744         (emit_case_nodes): Likewise.
2745         (expand_case): Do not rely on the default label to be present.
2746         * expr.c (try_casesi): Deal with NULL default_label.
2747         (do_tablejump): Likewise.
2749 2008-04-02  Richard Guenther  <rguenther@suse.de>
2751         PR tree-optimization/14495
2752         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2753         SWITCH_EXPR here ...
2754         (vrp_visit_switch_stmt): ... but here (new function).
2755         (find_case_label_index): New helper function.
2756         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2758 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2760         * fwprop.c: Fix ISO-C99ism.
2762 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2764         PR bootstrap/35752
2765         * Makefile.in (objdir): Set it here.
2766         * configure.ac: Not here.  Find dynamic linker characteristics.
2767         * exec-tool.in: Use them.
2768         * aclocal.m4: Regenerate.
2769         * configure: Regenerate.
2771 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2773         * expr.c (expand_var): Delete it.
2774         * expr.h (expand_var): Delete prototype.
2775         * function.c (expand_function_start): Use expand_decl instead.
2776         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2777         langhook.
2779 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
2781         PR rtl-optimization/35542
2782         * fwprop.c (forward_propagate_and_simplify): Replace
2783         loc_reg_mentioned_in_p with reg_mentioned_p.
2785 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
2787         PR rtl-optimization/35281
2788         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2789         (propagate_rtx_1): Handle PR_HANDLE_MEM.
2790         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2791         (varying_mem_p): Move above propagate_rtx.
2792         (all_uses_available_at): Do not check MEMs.
2794 2008-04-02  Rafael Espindola  <espindola@google.com>
2796         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2797         (register_edge_assert_for_2): Split the cond argument.
2798         (register_edge_assert_for_1): Adjust for the change in
2799         register_edge_assert_for_2.
2800         (register_edge_assert_for): Split the cond argument.
2801         (find_switch_asserts): Adjust for the change in
2802         register_edge_assert_for.
2804 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
2806         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2807         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2808         offsets for 64-bit mingw.
2809         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2810         abi for x86_64-pc-mingw.
2812 2008-04-02  Richard Guenther  <rguenther@suse.de>
2814         * tree-vrp.c (extract_range_from_assert): Make sure to not
2815         produce range min/max with TREE_OVERFOW set.
2816         If merging a anti-range and a range keep the anti-range if
2817         the range covers all values of the type.
2818         (register_edge_assert_for_2): Only allow sign-changing
2819         conversions in detecting canonical range checks.  Also
2820         register an assert for the unsigned name if useful.
2822         PR tree-optimization/35787
2823         * tree-vrp.c (vrp_val_max): New function.
2824         (vrp_val_min): Likewise.
2825         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2826         (vrp_val_is_min): Likewise.
2827         (supports_overflow_infinity): Use vrp_val_{min,max}.
2828         (negative_overflow_infinity): Likewise.
2829         (positive_overflow_infinity): Likewise.
2830         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2831         (is_positive_overflow_infinity): Likewise.
2832         (is_overflow_infinity): Likewise.
2833         (avoid_overflow_infinity): Use vrp_val_{min,max} and
2834         vrp_val_is_{min,max}.
2835         (set_and_canonicalize_value_range): Canonicalize anti-ranges
2836         to ranges if possible.  Avoid empty ranges.
2838 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2840         PR middle-end/35705
2841         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2842         the expression is a function address.
2844 2008-04-01  George Helffrich  <george@gcc.gnu.org>
2846         PR fortran/35154, fortran/23057
2847         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2848         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2849         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2850         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2851         in common.
2852         (dbxout_syms): Check for COMMON-based symbol and wrap in
2853         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2854         in bracket for efficiency.
2856         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2857         using DW_TAG_common_block + member offset.
2858         (add_pubname_string): New function.
2859         (dw_expand_expr): New function to find block name and offset for
2860         COMMON var.
2861         (common_check): New function to check whether symbol in Fortran COMMON.
2862         (gen_variable_die): If COMMON, use DW_TAG_common_block.
2864 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
2866         PR c/35436
2867         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2869 2008-04-02  Ben Elliston  <bje@au.ibm.com>
2871         * config/v850/v850.md (casesi): Remove if (0) code.
2872         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2873         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2875 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
2877         * config/i386/i386.md (rex64suffix): New mode attribute.
2878         (floathi<mode>2): Disable expander for SSE math.
2879         (*floathi<mode>2_1): New insn insn_and_split pattern.
2880         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2881         corresponding post-reload splitters.
2882         (*floathi<mode>2_i387): New macroized insn pattern.
2883         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2884         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2885         insn_and_split pattern.
2886         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2887         New macroized instruction patterns and corresponding post-reload
2888         splitters.
2889         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2890         and corresponding post-reload splitters.
2891         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2892         New macroized instruction patterns.
2893         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2894         macroized instruction patterns and corresponding post-reload splitters.
2895         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2896         corresponding post-reload splitters.
2897         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2898         New macroized instruction patterns.
2899         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2900         corresponding post-reload splitters.
2901         (*floatsi<mode>2_i387): New macroized instruction patterns.
2903 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
2905         * config/i386/i386.md (smaxmin): New.
2906         (umaxmin): Likewise.
2907         (maxminiprefix): Likewise.
2908         (maxminfprefix): Likewise.
2909         (<code><mode>3): Likewise.
2910         (smin<mode>3): Removed.
2911         (smax<mode>3): Likewise.
2913         * config/i386/mmx.md (mmx_<code>v2sf3): New.
2914         (mmx_<code>v4hi3): Likewise.
2915         (mmx_<code>v8qi3): Likewise.
2916         (mmx_smaxv2sf3): Removed.
2917         (mmx_sminv2sf3): Likewise.
2918         (mmx_umaxv8qi3): Likewise.
2919         (mmx_smaxv4hi3): Likewise.
2920         (mmx_uminv8qi3): Likewise.
2921         (mmx_sminv4hi3): Likewise.
2923         * config/i386/sse.md (<addsub><mode>3): New.
2924         (*<addsub><mode>3): Likewise.
2925         (<sse>_vm<addsub><mode>3): Likewise.
2926         (<maxmin><mode>3): Likewise.
2927         (*<maxmin><mode>3_finite): Likewise.
2928         (*<maxmin><mode>3): Likewise.
2929         (<sse>_vm<maxmin><mode>3): Likewise.
2930         (sse3_h<addsub>v4sf3): Likewise.
2931         (sse3_h<addsub>v2df3): Likewise.
2932         (<maxmin>v16qi3): Likewise.
2933         (*<maxmin>v16qi3): Likewise.
2934         (<maxmin>v8hi3): Likewise.
2935         (*<maxmin>v8hi3): Likewise.
2936         (*sse4_1_<maxmin><mode>3): Likewise.
2937         (*sse4_1_<maxmin><mode>3): Likewise.
2938         (add<mode>3): Removed.
2939         (*add<mode>3): Likewise.
2940         (<sse>_vmadd<mode>3): Likewise.
2941         (sub<mode>3): Likewise.
2942         (*sub<mode>3): Likewise.
2943         (<sse>_vmsub<mode>3): Likewise.
2944         (smin<mode>3): Likewise.
2945         (*smin<mode>3_finite): Likewise.
2946         (*smin<mode>3): Likewise.
2947         (<sse>_vmsmin<mode>3): Likewise.
2948         (smax<mode>3): Likewise.
2949         (*smax<mode>3_finite): Likewise.
2950         (*smax<mode>3): Likewise.
2951         (<sse>_vmsmax<mode>3): Likewise.
2952         (sse3_haddv4sf3): Likewise.
2953         (sse3_haddv2df3): Likewise.
2954         (sse3_hsubv4sf3): Likewise.
2955         (sse3_hsubv2df3): Likewise.
2956         (umaxv16qi3): Likewise.
2957         (*umaxv16qi3): Likewise.
2958         (smaxv8hi3): Likewise.
2959         (*smaxv8hi3): Likewise.
2960         (*sse4_1_smax<mode>3): Likewise.
2961         (*sse4_1_umax<mode>3): Likewise.
2962         (uminv16qi3): Likewise.
2963         (*uminv16qi3): Likewise.
2964         (sminv8hi3): Likewise.
2965         (*sminv8hi3): Likewise.
2966         (*sse4_1_smin<mode>3): Likewise.
2967         (*sse4_1_umin<mode>3): Likewise.
2969 2008-04-01  Rafael Espindola  <espindola@google.com>
2971         * tree-cfg.c (verify_expr): remove in_phi.
2972         (verify_stmt): Don't call walk_tree with verify_expr. Use
2973         is_gimple_min_invariant instead of is_gimple_val.
2975 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
2977         * doc/include/gpl_v3.texi: Update for manpage generation.
2978         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2979         gpl.texi.
2980         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2981         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2982         gpl_v3.texi instead of gpl.texi.
2983         (gpl.pod): New.
2985 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
2987         PR pch/13675
2988         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2990 2008-04-01  Rafael Espindola  <espindola@google.com>
2992         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2993         (extract_code_and_val_from_cond): Use
2994         extract_code_and_val_from_cond_with_ops.
2996 2008-04-01  Jan Hubicka  <jh@suse.cz>
2998         * function.c (free_after_compilation): Free epilogue_delay_list.
2999         (prepare_function_start): Assert that previous compilation was freed.
3001 2008-04-01  Jan Hubicka  <jh@suse.cz>
3002             Jim Wilson  <wilson@tuliptree.org>
3003             Andreas Tobler <andreast@gcc.gnu.org>
3005         PR middle-end/35781
3006         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
3007         rtl.emit instead cfun->emit.
3008         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
3009         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
3011 2008-04-01  Ben Elliston  <bje@au.ibm.com>
3013         * doc/c-tree.texi (Function Basics): Fix grammatical error.
3015 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
3017         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
3018         New options
3019         (fprofile-use): Add var flag_profile_use
3020         * coverage.c (coverage_begin_output): Do not open a gcno file for
3021         output only if -ftest-coverage is set.
3022         Do not add getpwd() to gcda file path.
3023         (build_gcov_info): Check the new flag
3024         flag_profile_datafile_relative_path.
3025         (coverage_init): Use profile_data_prefix.
3026         Read profile counter only if flag_profile_use is set.
3027         * opts.c (common_handle_option): New option fprofile-use=,
3028         fprofile-dir=, fprofile-generate=.
3029         * toplev.c (profile_data_prefix): New variable definition.
3030         * toplev.h (profile_data_prefix): New declaration.
3031         * doc/invoke.tex (Option Summary, Optimization Options):
3032         Add new options.
3034 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
3036         * varasm.c (output_constant_pool_1): In LABEL_REF check,
3037         use tmp consistently.
3039         PR target/35695
3040         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
3041         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3042         UNSPEC_FR_RECIP_APPROX_RES.
3043         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
3045 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
3047         PR c/35750
3048         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
3050 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3052         PR middle-end/30186
3053         * fold-const.c (fold_indirect_ref_1): Support accessing non first
3054         element of the vector via a pointer.
3056 2008-03-31  Ian Lance Taylor  <iant@google.com>
3058         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
3060 2008-03-31  Jan Hubicka  <jh@suse.cz>
3062         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3063         get_arg_pointer_save_area.
3064         * expr.c (init_expr): Just clear out rtl.expr.
3065         * function.c (free_after_compilation): Clear out whole RTL structure.
3066         (get_func_frame_size): Merge into ...
3067         (get_frame_size): ... this one.
3068         (assign_stack_local_1): Merge into ...
3069         (assign_stack_local): ... this one.
3070         (expand_function_end): Update call of get_arg_pointer_save_area.
3071         (get_art_pointer_save_area): Remove cfun argument.
3072         * function.h (emit_status): regno_pointer_align does not need length
3073         attribute. Move x_regno_reg_rtx to ...
3074         (regno_reg_rtx): ... new global array.
3075         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
3076         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
3077         apply_args_value, forced_labels, stack_pointer_delta):
3078         Update accestors.
3079         (struct varasm_status): Move here from varasm.c
3080         (struct rtl_data): New. Move here some fields from struct function.
3081         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3082         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3083         used_temp_slots avail_temp_slots, temp_slot_level,
3084         nonlocal_goto_handler_labels): Update accesstors.
3085         (rtl): New global variable.
3086         (struct function): Move some fileds to rtl_data.
3087         (get_arg_pointer_save_area): Update prototype.
3088         * emit-rtl.c (rtl): Declare.
3089         (regno_reg_rtx): Declare.
3090         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3091         Update.
3092         (gen_reg_rtx): Update.
3093         (init_virtual_regs): Do not tate emit_status argument.
3094         (init_emit): Do not allocate emit.
3095         * varasm.c (varasm_statuc): Move to function.h.
3096         (n_deferred_constatns): Update accestor.
3097         (init_varasm_status): Do not allocate varasm_status.
3098         (force_const_mem, get_pool_size, output_constant_pool): Update.
3099         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3100         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3102 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
3104         PR rtl-optimization/35729
3105         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
3106         references.
3108 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
3110         PR target/32000
3111         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
3112         load/store if memory is unaligned.
3113         (*movti_rex64): Likewise.
3115         * config/i386/predicates.md (misaligned_operand): New.
3117 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
3119         PR tree-opt/35431
3120         * tree-ssa-phiopt.c (conditional_replacement): Return early for
3121         complex types.
3123 2008-03-31  Jan Beulich  <jbeulich@novell.com>
3125         * config/ia64/constraints.md: Add 'j' constraint.
3126         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
3127         (movdi_internal): Likewise.
3129 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
3131         PR c/35748
3132         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
3134 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
3136         PR target/35757
3137         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
3138         proper error message for the third argument on blendpd and
3139         blendps.
3141         * config/i386/sse.md (blendbits): New.
3142         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
3144 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
3146         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
3148 2008-03-30  Richard Guenther  <rguenther@suse.de>
3150         PR middle-end/31023
3151         * fold-const.c (fold_sign_changed_comparison): Do leave
3152         conversions to base-types alone.
3154 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3156         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
3157         the link register if one altivec register is be saved.
3159 2008-03-30  Ben Elliston  <bje@au.ibm.com>
3161         * final.c (final_scan_insn): Remove if (0) code.
3163 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
3165         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
3167 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
3169         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
3170         of V4SFmode to ix86_binary_operator_ok.
3172 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
3174         * config/i386/i386.c (override_options): Initialize
3175         ix86_veclib_handler to ix86_veclibabi_svml when
3176         -mveclibabi=svml is used.
3177         (ix86_veclibabi_svml): New function for SVML ABI style
3178         vectorization support.
3179         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
3181 2008-03-28  Rafael Espindola  <espindola@google.com>
3183         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
3184         (tree_binary_nonnegative_warnv_p): Make it public.
3185         (tree_single_nonnegative_warnv_p): Make it public.
3186         (tree_invalid_nonnegative_warnv_p): Make it public.
3187         (tree_unary_nonzero_warnv_p): Make it public.
3188         (tree_binary_nonzero_warnv_p): Make it public
3189         (tree_single_nonzero_warnv_p): Make it public.
3190         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
3191         (extract_range_from_binary_expr): Split the expr argument.
3192         (extract_range_from_unary_expr): Split the expr argument.
3193         (extract_range_from_comparison): Split the expr argument.
3194         (extract_range_from_expr): Use the new aux functions.
3195         (vrp_evaluate_conditional_warnv): Use
3196         vrp_evaluate_conditional_warnv_with_ops.
3197         * tree.h (tree_unary_nonzero_warnv_p): Declare.
3198         (tree_binary_nonzero_warnv_p): Declare.
3199         (tree_single_nonzero_warnv_p): Declare.
3200         (tree_expr_nonzero_warnv_p): Declare.
3201         (tree_unary_nonnegative_warnv_p): Declare.
3202         (tree_binary_nonnegative_warnv_p): Declare.
3203         (tree_single_nonnegative_warnv_p): Declare.
3204         (tree_invalid_nonnegative_warnv_p): Declare.
3206 2008-03-28  Richard Guenther  <rguenther@suse.de>
3208         PR tree-optimization/30317
3209         PR tree-optimization/30911
3210         PR tree-optimization/34793
3211         * tree-vrp.c (set_and_canonicalize_value_range): New function.
3212         (struct assert_locus_d): New member EXPR.
3213         (register_new_assert_for): Add EXPR parameter to support
3214         ASSERT_EXPR <name, expr OP limit>.
3215         (register_edge_assert_for_1): Adjust callers.
3216         (find_assert_locations): Likewise.
3217         (process_assert_insertions_for): Build condition from expression.
3218         (extract_range_from_assert): Handle ASSERT_EXPRs
3219         of the form ASSERT_EXPR <name, expr OP limit>.
3220         (register_edge_assert_for_2): New helper registering
3221         asserts for comparisons.  Recognize range tests of the form
3222         (unsigned)i - CST1 OP CST2.
3223         (register_edge_assert_for_1): Use it.
3224         (register_edge_assert_for): Likewise.
3225         (needs_overflow_infinity): Integer sub-types
3226         do not need overflow infinities.
3227         (vrp_val_is_max): The extreme values of integer sub-types
3228         are those of the base type.
3229         (vrp_val_is_min): Likewise.
3230         * tree.def (ASSERT_EXPR): Document extra allowed conditional
3231         expressions.
3233 2008-03-28  Nick Clifton  <nickc@redhat.com>
3235         PR target/31110
3236         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3237         Return GENERAL_REGS for stack adjustment reloads.
3239 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3241         PR target/31334
3242         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
3243         const_vector when all the vectors are constant.
3245 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
3247         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
3248         comparisons.
3249         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
3250         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
3251         (scc_sf): New.
3252         (s<code>_sf): Use new scc_sf attribute for opcode names.
3254 2008-03-27  Tom Tromey  <tromey@redhat.com>
3256         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
3257         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
3258         config/spu/t-spu-elf, config/i386/t-interix,
3259         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
3260         config/i386/x-darwin, config/i386/x-mingw32,
3261         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
3262         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
3263         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
3264         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
3265         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
3266         config/rs6000/x-darwin, config/rs6000/t-rs6000,
3267         config/score/t-score-elf, config/arm/t-strongarm-pe,
3268         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
3269         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
3270         Revert automatic dependency patch.
3272 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
3274         PR target/35657
3275         * config/i386/i386.c (ix86_function_arg_boundary): Align
3276         decimal floating point to its natural boundary.
3278 2008-03-27  Richard Guenther  <rguenther@suse.de>
3280         PR middle-end/35716
3281         * fold-const.c (fold_comparison): Restrict distinct decl
3282         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
3283         solely rely on operand_equal_p.
3285 2008-03-27  Richard Guenther  <rguenther@suse.de>
3287         PR c/32511
3288         * c-common.c (handle_weak_attribute): Reject combination of
3289         weak and inline.
3291 2008-03-27  Richard Guenther  <rguenther@suse.de>
3293         PR tree-optimization/32810
3294         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
3295         conversions from DECL_INITIAL.
3296         (fold_const_aggregate_ref): Likewise from constructor elements.
3298 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
3300         * tree-affine.h (aff_combination_expand): Declare.
3301         (get_inner_reference_aff): Likewise.
3302         * tree-affine.c (aff_combination_expand): Split out from
3303         tree_to_aff_combination_expand.
3304         (get_inner_reference_aff): New function.
3305         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
3306         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
3307         (struct lim_aux_data): sm_done field removed.
3308         (mem_ref_loc_p, mem_ref_locs_p): New types.
3309         (struct mem_ref): Added id, stored, accesses_in_loop,
3310         indep_loop, dep_loop, indep_ref, dep_ref fields.
3311         Removed is_stored, locs and next fields.
3312         (memory_accesses): New variable.
3313         (movement_possibility): Do not allow moving statements
3314         that store to memory.
3315         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
3316         New functions.
3317         (determine_max_movement): For statements with memory references,
3318         find the outermost loop in that the reference is independent.
3319         (move_computations_stmt): Mark the virtual operands for renaming.
3320         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
3321         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
3322         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
3323         add_vop_ref_mapping, create_vop_ref_mapping_loop,
3324         create_vop_ref_mapping, analyze_memory_references,
3325         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
3326         get_all_locs_in_loop, ref_always_accessed_p,
3327         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
3328         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
3329         store_motion_loop, store_motion): New functions.
3330         (struct vop_to_refs_elt): New type.
3331         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
3332         memref_hash, memref_eq, hoist_memory_references): Rewritten.
3333         (schedule_sm): Replaced by...
3334         (execute_sm): ... this.
3335         (determine_lsm_ref, hoist_memory_references,
3336         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
3337         find_more_ref_vops, free_mem_ref, free_mem_refs,
3338         determine_lsm_loop, determine_lsm): Removed.
3339         (tree_ssa_lim_finalize): Free data structures used by store motion.
3340         (tree_ssa_lim): Call analyze_memory_references.  Use
3341         store_motion instead of determine_lsm.
3343 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
3345         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
3346         rename tmake_file to m68hc11/t-m68hc11.
3347         (mcore): Set inhibit_libc to true.
3348         * config.host (alpha*-dec-*vms*): Set extra_programs.
3349         (interix3*): Don't use host_xmake_file.
3350         * configure.ac: Let config.gcc override inhibit_libc.
3351         * configure: Regenerate.
3353         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
3354         * config/t-openbsd-thread: Remove commented out lines.
3355         
3356         * config/x-interix: Remove.
3358         * config/m68hc11/t-m68hc11-gas: Rename to...
3359         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
3361         * config/mcore/t-mcore: Remove T_CFLAGS.
3362         * config/mcore/t-mcore-pe: Likewise.
3364 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
3366         * configure.ac: Replace custom __GNU_SOURCE test with
3367         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
3368         * aclocal.m4: Regenerate.
3369         * configure: Regenerate.
3370         * config.in: Regenerate.
3372 2008-03-27  Richard Guenther  <rguenther@suse.de>
3374         * fold-const.c (target.h): Include.
3375         (fold_comparison): Fold comparison of addresses of decls
3376         that bind locally or of constants.  Consolidate address folding code.
3377         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
3378         results from fold_binary_to_constant.
3379         (compare_values_warnv): Likewise.
3381 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
3383         PR middle-end/35429
3384         * fold-const.c (fold_truthop): Check for integeral types when folding
3385         a == 0 && b == 0 and a != 0 || b != 0 .
3387 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
3389         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
3391 2008-03-26  Andreas Schwab  <schwab@suse.de>
3393         * doc/invoke.texi: Fix use of @item vs. @itemx.
3395 2008-03-26  Tom Tromey  <tromey@redhat.com>
3397         * Makefile.in (build/gensupport.o, build/print-rtl.o,
3398         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
3399         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
3400         build/gencodes.o, build/genconditions.o, build/genconfig.o,
3401         build/genconstants.o, build/genemit.o, build/genextract.o,
3402         build/genflags.o, build/genmddeps.o, build/genopinit.o,
3403         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
3404         options.h.
3406 2008-03-26  Richard Guenther  <rguenther@suse.de>
3408         Revert
3409         2008-03-26  Richard Guenther  <rguenther@suse.de>
3411         * fold-const.c (target.h): Include.
3412         (fold_comparison): Fold comparison of addresses of two decls
3413         that bind locally.  Consolidate address folding code.
3415 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3417         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3418         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3419         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3420         dconstsqrt2, dconstthird, dconste and/or dconst10.
3421         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3422         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3423         dconstsqrt2, dconste): Delete.
3424         (init_emit_once): Likewise.  Simplify initializing dconstm1.
3425         Constify variable.
3426         * real.c (get_real_const): New.
3427         * real.h (dconst3, dconst10, dconstm2, dconstthird,
3428         dconstsqrt2, dconste): Delete.
3429         (real_value_const, get_real_const): New.
3431 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
3433         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3435         * config/i386/i386.c (ix86_function_arg_boundary): Check
3436         BIGGEST_ALIGNMENT instead of 128.
3437         (setup_incoming_varargs_64): Likewise.
3439 2008-03-26  Tom Tromey  <tromey@redhat.com>
3441         * Makefile.in (DEPFILES): Add missing '/'.
3443 2008-03-26  Richard Guenther  <rguenther@suse.de>
3445         * fold-const.c (target.h): Include.
3446         (fold_comparison): Fold comparison of addresses of two decls
3447         that bind locally.  Consolidate address folding code.
3449 2008-03-26  Nick Clifton  <nickc@redhat.com>
3451         PR target/31232
3452         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3453         not allow INT+INT as a legitimate addressing mode.
3455 2008-03-26  Richard Guenther  <rguenther@suse.de>
3457         * tree-flow.h (widen_bitfield): Remove declaration.
3458         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3459         (widen_bitfield): Remove function.
3460         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3461         code.
3463 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3465         PR target/31558
3466         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3467         error_mark_node's.
3469 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
3471         PR rtl-optimization/35232
3472         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3473         (forget_old_reloads_1, forget_marked_reloads): Don't clear
3474         reg_reloaded_call_part_clobbered here.
3475         (reload_regs_reach_end_p): New function.
3476         (reload_reg_rtx_for_input): New variable.
3477         (reload_reg_rtx_for_output): Likewise.
3478         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3479         when reassigning a pseudo register.  Load reloadreg from 
3480         reload_reg_rtx_for_input, moving the mode and register
3481         calculation to...
3482         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
3483         instead of the original when deciding whether an input reload
3484         would be a no-op or whether an output reload can be deleted.
3485         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3486         when setting up new_spill_reg_store.  Load it from
3487         reload_reg_rtx_for_output, moving the mode and register
3488         calculation to...
3489         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
3490         instead of the original when deciding whether an output reload
3491         would be a no-op.  Do the same when modifying insn notes.
3492         Use rtx_equal_p instead of == to compare the registers.
3493         (inherit_piecemeal_p): Take a mode and two register numbers
3494         as argument.
3495         (emit_reload_insns): Clear new_spill_reg_store for every hard
3496         register in the reload register.  Remove spill registers
3497         from reg_reloaded_valid before considering whether to record
3498         inheritance information for them.  Use reload_reg_rtx_for_output
3499         instead of reg_rtx when recording output reloads.  Use
3500         reload_reg_rtx_for_input instead of reg_rtx when recording
3501         input reloads.  Set or clear reg_reloaded_call_part_clobbered
3502         at the same time as setting reg_reloaded_valid.
3503         (delete_output_reload): Add a new_reload_reg parameter and use it
3504         instead of rld[j].reg_rtx.
3505         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3506         calls accordingly.
3508 2008-03-25  Tom Tromey  <tromey@redhat.com>
3510         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3511         (build/genattr.o): Likewise.
3512         (build/genattrtab.o): Likewise.
3513         (build/gencodes.o): Likewise.
3514         (build/genconfig.o): Likewise.
3515         (build/genconstants.o): Likewise.
3516         (build/genemit.o): Likewise.
3517         (build/genextract.o): Likewise.
3518         (build/genflags.o): Likewise.
3520 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
3521         
3522         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3523         instead of size_int for integer types.
3524         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
3525         to match type of MINUS_EXPR.
3526         
3527 2008-03-25  Tom Tromey  <tromey@redhat.com>
3529         * configure: Rebuilt.
3530         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3531         Makefile.
3533 2008-03-25  Tom Tromey  <tromey@redhat.com>
3535         * config/x-solaris (host-solaris.o): Update.
3536         * config/x-linux (host-linux.o): Update.
3537         * config/x-hpux (host-hpux.o): Update.
3538         * config/x-darwin (host-darwin.o): Update.
3539         * config/v850/t-v850e (v850-c.o): Update.
3540         * config/v850/t-v850 (v850-c.o): Update.
3541         * config/t-vxworks (vxworks.o): Update.
3542         * config/t-sol2 (sol2-c.o, sol2.o): Update.
3543         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3544         * config/spu/t-spu-elf (spu-c.o): Update.
3545         (spu.o): Remove.
3546         * config/sh/t-symbian (sh-c.o): Update.
3547         (symbian.o): Update.
3548         * config/sh/t-sh (sh-c.o): Update.
3549         * config/score/t-score-elf (score7.o, score3.o): Update.
3550         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3551         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3552         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3553         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3554         (rs6000.o): Remove.
3555         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3556         * config/m32c/t-m32c (m32c-pragma.o): Update.
3557         * config/ia64/t-ia64 (ia64-c.o): Update.
3558         * config/i386/x-mingw32 (host-mingw32.o): Update.
3559         * config/i386/x-i386 (driver-i386.o): Update.
3560         * config/i386/x-darwin (host-i386-darwin.o): Update.
3561         * config/i386/x-cygwin (host-cygwin.o): Update.
3562         * config/i386/t-nwld (nwld.o): Update.
3563         * config/i386/t-netware (netware.o): Update.
3564         * config/i386/t-interix (winnt.o): Update.
3565         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3566         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3567         msformat-c.o): Update.
3568         * config/bfin/t-bfin-linux (generated_files): Add
3569         linux-sysroot-suffix.h.
3570         * config/arm/t-wince-pe (pe.o): Update.
3571         * config/arm/t-strongarm-pe (pe.o): Update.
3572         * config/arm/t-pe (pe.o): Update.
3573         * config/arm/t-arm (arm-c.o): Update.
3574         * doc/install.texi (Prerequisites): Require make 3.80.
3575         * Makefile.in: Remove .o targets.
3576         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3577         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3578         (simple_generated_h, simple_generated_c): Move earlier.
3579         (generated_files): New variable.
3580         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3581         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3582         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3583         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3584         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3585         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3586         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3587         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3588         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3589         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3590         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3591         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3592         (.c.o): Remove.
3593         (COMPILE.base, COMPILE): New variables.
3594         (%.o): New pattern rule.
3595         (ALL_HOST_OBJS): New variable.
3596         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3597         (dummy-checksum.o, cc1-checksum.o): Remove.
3598         (DRIVER_SHLIB): New variable.
3599         (DRIVER_DEFINES): Use it.
3600         (gencondmd.c): Move out of build/.
3601         (s-conditions): Update.
3602         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3603         (ALL_BUILD_OBJS): Likewise.
3604         (build/%.o): Use BUILDCOMPILE.
3605         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3606         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3607         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3608         build/gencheck.o, build/gencodes.o, build/genconditions.o,
3609         build/genconfig.o, build/genconstants.o, build/genemit.o,
3610         build/genextract.o, build/genflags.o, build/genmddeps.o,
3611         build/genopinit.o, build/genoutput.o, build/genpeep.o,
3612         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3613         build/gen-protos.o, build/scan.o, build/fix-header.o,
3614         build/scan-decls.o): Simplify.
3615         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3616         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3617         prefix.o, toplev.o): Reduce to variable setting.
3618         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
3619         ($(out_object_file), gcc-options.o): New targets.
3620         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
3621         * configure: Rebuilt.
3622         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3623         * doc/sourcebuild.texi (Front End Directory): Document new variable.
3625 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
3627         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3628         complain when we hit an error, return ERROR_MARK_NODE.
3630 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
3632         * config/sh/constraints.md (Pso, Psz): New constraints.
3633         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3634         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3636 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
3638         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3639         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3641 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
3643         * config/sh/sh.md (prefetch): Add condition for SH2A target.
3644         (prefetch_sh2a): New.   
3646 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
3647             Naveen.H.S  <naveen.hs@kpitcummins.com>
3649         * config/sh/constraints.md (I28): New constraint.
3650         * config/sh/sh.c (broken_move): Add support for movi20s.
3651         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3653 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
3654             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
3655             Naveen.H.S  <naveen.hs@kpitcummins.com>
3657         * config/sh/sh.c (SH_ATTRIBUTES): Define.
3658         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3659         (print_operand): Handle resbank in %@ operand code.
3660         (sh_encode_section_info): New.
3661         (push_regs): Add conditions for resbank.
3662         (sh_expand_epilogue): Likewise.
3663         (sh_insert_attributes): Likewise.
3664         (sh_attribute_table): Likewise.
3665         (sh_handle_resbank_handler_attribute): New.
3666         (sh2a_handle_function_vector_handler_attribute): New.
3667         (sh2a_is_function_vector_call): New.
3668         (sh2a_get_function_vector_number): New.
3669         (sh2a_function_vector_p): New.
3670         (sh_cfun_resbank_handler_p): New.
3671         * config/sh/sh.md (calli): Emit jsr/n if possible.
3672         (calli_tbr_rel): New.
3673         (calli_pcrel): Emit jsr/n if possible.
3674         (return_i): Emit rts/n if possible.
3675         (call_valuei_tbr_rel): New.
3676         (call_valuei_pcrel): Add condition for SH2A target.
3677         (call_value): Likewise.
3678         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3679         (sh2a_get_function_vector_number): Likewise.
3680         (sh2a_is_function_vector_call): Likewise.
3681         * doc/extend.texi: Document TBR relative addressing of SH2A.
3682         (resbank): Add description for SH2A.
3684 2008-03-24  Richard Guenther  <rguenther@suse.de>
3686         PR c/22371
3687         * gimplify.c (gimplify_modify_expr): For frontend type-correct
3688         pointer assignments change conversions according to middle-end rules.
3689         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3690         * configure.ac: Include type checking in yes.
3691         * configure: Regenerate.
3693 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3695         * diagnostic.c (diagnostic_count_diagnostic): Delete.
3696         (diagnostic_report_diagnostic): Update. Handle ICEs here.
3697         
3698 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3700         * gthr-vxworks.h (UNUSED): Define.
3702 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
3704         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3706 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
3708         * doc/extend.texi (Function Attributes): Add missing comma in the
3709         example of the "alloc_size" attribute.
3710         
3711 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
3713         Revert:
3714         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
3716         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3717         32bit host.
3719         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
3721         PR target/35496
3722         * stor-layout.c (update_alignment_for_field): Set minimum alignment
3723         of the underlying type of a MS bitfield layout to the natural
3724         alignment of the type.
3726         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
3728         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3729         to their natural alignment to avoid store forwarding stalls.
3731 2008-03-22  Richard Guenther  <rguenther@suse.de>
3733         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3734         For PHI nodes verify the address is invariant.
3735         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3736         (get_symbol_constant_value): Use is_gimple_min_invariant.
3737         (maybe_fold_stmt_indirect): Likewise.
3739 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
3741         PR rtl-optimization/33927
3742         * Makefile.in (dse.o): Depend on $(TM_P_H).
3743         * expr.h (extract_low_bits): Declare.
3744         * expmed.c (extract_low_bits): New function.
3745         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3746         * dse.c: Include tm_p.h.
3747         (find_shift_sequence): Remove the read_reg argument and return the
3748         read value.  Emit the instructions instead of returning them.
3749         Iterate on new_mode rather than calculating it each time.
3750         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
3751         source to NEW_MODE and extract_low_bits to convert the shifted
3752         value to READ_MODE.
3753         (replace_read): Allow the load and store to have different mode
3754         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
3755         or extraction instructions before trying the replacement.  Update
3756         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3758 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
3760         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3761         to their natural alignment to avoid store forwarding stalls.
3763 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3765         PR target/27946
3766         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3767         encouraging but not allowing gprs for input;
3768         change the input constraint to !f#r.
3769         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3770         gprs for output;
3771         change the output constraint to !f#r.
3773 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
3775         PR target/13958
3776         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3777         corresponding post-reload splitters.
3778         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3779         when x87 FP math is selected.
3780         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3781         New function prototype.
3782         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3783         unreachable function to ease macroization of insn patterns.
3785 2008-03-21  Martin Jambor  <mjambor@suse.cz>
3787         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3788         reference dumps if ddr is NULL or dependence is unknown.
3790 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3792         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3793         unsigned extension into account.
3794         (ATOMIC_COMPARE_AND_SWAP): Likewise.
3795         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3796         Do computations on a scratch register.
3798 2008-03-21  Richard Guenther  <rguenther@suse.de>
3800         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3801         Use is_gimple_min_invariant instead of TREE_INVARIANT.
3802         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3803         * tree-ssa-dom.c (record_equality): Likewise.
3804         * tree-inline.c (copy_body_r): Likewise.
3805         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3806         TREE_INVARIANT.
3808 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
3810         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3811         as 'delete_unused' argument.
3813 2008-03-20  Richard Guenther  <rguenther@suse.de>
3815         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3816         special casing of constant qualifiers.
3817         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3818         care about them in general.
3819         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3820         regardless of their type.
3821         (fold_stmt_r): Forcefully fold *& if we end up with that.
3823 2008-03-20  Paul Brook  <paul@codesourcery.com>
3825         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3826         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3827         linker flags.
3828         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3829         definition.
3830         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3831         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3833 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
3835         * common.opt (Wmudflap): New option.
3836         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3837         (mx_register_decls): Likewise.
3838         (mudflap_finish_file): Likewise.
3839         * doc/invoke.texi: Document -Wno-mudflap.
3841 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
3843         * c-format.c (replace_format_name_to_system_name): New.
3844         (cmp_attribs): New.
3845         (convert_format_name_to_system_name): New.
3846         (decode_format_attr): Add use of convert_format_name_to_system_name.
3847         (format_types_orig): Add gnu_ prefix to names.
3848         (check_format_info_main): Special treating of \0 escaped names for
3849         supporting multi-character format specifiers as I32, I64.
3850         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3851         (gnu_target_overrides_format_attributes): New.
3852         * c-format.h: Add structure target_ovr_attr to hold
3853         system specific formatter names.
3854         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3855         msformat-c.o file to c_target_objs and cxx_target_objs.
3856         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3857         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3858         (TARGET_N_FORMAT_TYPES): New.
3859         * config/i386/msformat-c.c: New.
3860         * config/i386/t-cygming: Add build rule for msformat-c.o.
3861         * doc/extend.texi: Add new format names gnu_* and ms_* and
3862         further details.
3863         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3865 2008-03-20  Ira Rosen  <irar@il.ibm.com>
3867         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3868         optimizations turned on under -O3.
3869         (ftree-vectorize): Add that the flag is turned on with -O3.
3871 2008-03-20  Ben Elliston  <bje@au.ibm.com>
3873         * regmove.c (try_auto_increment): Fix spelling error in comment.
3874         * final.c (final_scan_insn): Likewise.
3876 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
3878         PR target/14552
3879         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3880         allocator preferences for "y" and "r" class registers.
3881         ("*mov<mode>_internal"): Ditto.
3882         ("*movv2sf_internal_rex64"): Ditto.
3883         ("*movv2sf_internal"): Ditto.
3885 2008-03-19  Michael Matz  <matz@suse.de>
3887         PR middle-end/35616
3888         * calls.c (expand_call): Check overlap of arguments with call
3889         address for sibcalls.
3891 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
3893         PR target/35496
3894         * stor-layout.c (update_alignment_for_field): Set minimum alignment
3895         of the underlying type of a MS bitfield layout to the natural
3896         alignment of the type.
3898 2008-03-19  Jan Hubicka  <jh@suse.cz>
3900         PR other/35094
3901         * toplev.c (decode_d_option): Handle all CPP flags.
3902         * tree-vrp.c: Update tree_pass descriptors.
3903         * regrename.c: Update tree_pass descriptors.
3904         * fwprop.c: Update tree_pass descriptors.
3905         * doc/invoke.texi: Remove documentation of dropped -d? flags.
3906         * tree-into-ssa.c: Update tree_pass descriptors.
3907         * tree-dump.c: Update tree_pass descriptors.
3908         * tree-complex.c: Update tree_pass descriptors.
3909         * tree-dump.h: Update tree_pass descriptors.
3910         * see.c: Update tree_pass descriptors.
3911         * cgraphbuild.c: Update tree_pass descriptors.
3912         * tracer.c: Update tree_pass descriptors.
3913         * tree-loop-distribution.c: Update tree_pass descriptors.
3914         * cgraph.c: Update tree_pass descriptors.
3915         * postreload-gcse.c: Update tree_pass descriptors.
3916         * postreload.c: Update tree_pass descriptors.
3917         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3918         * tree-tailcall.c: Update tree_pass descriptors.
3919         * tree-pass.h (tree_opt_pass): Rename to ...
3920         (opt_pass) ... this one; add "type" field and remove letter field.
3921         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3922         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3923         all_lowering_passes): Update declaration.
3924         * ipa-cp.c: Update tree_pass descriptors.
3925         * final.c: Update tree_pass descriptors.
3926         * omp-low.c: Update tree_pass descriptors.
3927         * tree-ssa-dse.c: Update tree_pass descriptors.
3928         * ipa-reference.c: Update tree_pass descriptors.
3929         * tree-ssa-uncprop.c: Update tree_pass descriptors.
3930         * auto-inc-dec.c: Update tree_pass descriptors.
3931         * reorg.c: Update tree_pass descriptors.
3932         * cgraphunit.c: Update tree_pass descriptors.
3933         * tree-ssa-copyrename.c: Update tree_pass descriptors.
3934         * tree-ssa-ccp.c: Update tree_pass descriptors.
3935         * df-core.c: Update tree_pass descriptors.
3936         * mode-switching.c: Update tree_pass descriptors.
3937         * tree-nomudflap.c: Update tree_pass descriptors.
3938         * modulo-sched.c: Update tree_pass descriptors.
3939         * ipa-pure-const.c: Update tree_pass descriptors.
3940         * cse.c: Update tree_pass descriptors.
3941         * web.c: Update tree_pass descriptors.
3942         * tree-stdarg.c: Update tree_pass descriptors.
3943         * tree-ssa-math-opts.c: Update tree_pass descriptors.
3944         * tree-ssa-dom.c: Update tree_pass descriptors.
3945         * tree-nrv.c: Update tree_pass descriptors.
3946         * tree-ssa-alias.c: Update tree_pass descriptors.
3947         * loop-init.c: Update tree_pass descriptors.
3948         * gimple-low.c: Update tree_pass descriptors.
3949         * ipa-inline.c: Update tree_pass descriptors.
3950         * tree-ssa-sink.c: Update tree_pass descriptors.
3951         * global.c: Update tree_pass descriptors.
3952         * ifcvt.c: Update tree_pass descriptors.
3953         * jump.c: Update tree_pass descriptors.
3954         * predict.c: Update tree_pass descriptors.
3955         * tree-ssa-loop.c: Update tree_pass descriptors.
3956         * recog.c: Update tree_pass descriptors.
3957         * dse.c: Update tree_pass descriptors.
3958         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3959         * tree-eh.c: Update tree_pass descriptors.
3960         * regmove.c: Update tree_pass descriptors.
3961         * local-alloc.c
3962         * function.c: Update tree_pass descriptors.
3963         * tree-vectorizer.c: Update tree_pass descriptors.
3964         * gcse.c: Update tree_pass descriptors.
3965         * ipa-type-escape.c: Update tree_pass descriptors.
3966         * tree-if-conv.c: Update tree_pass descriptors.
3967         * init-regs.c: Update tree_pass descriptors.
3968         * ipa.c: Update tree_pass descriptors.
3969         * tree-ssa-phiopt.c: Update tree_pass descriptors.
3970         * rtl-factoring.c: Update tree_pass descriptors.
3971         * lower-subreg.c: Update tree_pass descriptors.
3972         * bt-load.c: Update tree_pass descriptors.
3973         * tree-dfa.c: Update tree_pass descriptors.
3974         * except.c: Update tree_pass descriptors.
3975         * emit-rtl.c: Update tree_pass descriptors.
3976         * cfgexpand.c: Update tree_pass descriptors.
3977         * tree-cfgcleanup.c: Update tree_pass descriptors.
3978         * cfgcleanup.c: Update tree_pass descriptors.
3979         * tree-ssa-pre.c: Update tree_pass descriptors.
3980         * tree-sra.c: Update tree_pass descriptors.
3981         * tree-mudflap.c: Update tree_pass descriptors.
3982         * tree-ssa-copy.c: Update tree_pass descriptors.
3983         * cfglayout.c: Update tree_pass descriptors.
3984         * tree-ssa-forwprop.c: Update tree_pass descriptors.
3985         * tree-ssa-dce.c: Update tree_pass descriptors.
3986         * tree-ssa.c: Update tree_pass descriptors.
3987         * regclass.c: Update tree_pass descriptors.
3988         * integrate.c: Update tree_pass descriptors.
3989         * tree-optimize.c: Update tree_pass descriptors.
3990         * tree-ssa-phiprop.c: Update tree_pass descriptors.
3991         * tree-object-size.c: Update tree_pass descriptors.
3992         * combine.c: Update tree_pass descriptors.
3993         * tree-outof-ssa.c: Update tree_pass descriptors.
3994         * bb-reorder.c: Update tree_pass descriptors.
3995         * stack-ptr-mod.c: Update tree_pass descriptors.
3996         * var-tracking.c: Update tree_pass descriptors.
3997         * tree-profile.c: Update tree_pass descriptors.
3998         * tree-vect-generic.c: Update tree_pass descriptors.
3999         * reg-stack.c: Update tree_pass descriptors.
4000         * sched-rgn.c: Update tree_pass descriptors.
4001         * tree-ssa-structalias.c: Update tree_pass descriptors.
4002         * tree-cfg.c: Update tree_pass descriptors.
4003         * passes.c (current_pass): Update declaration.
4004         (finish_optimization_passes): Update.
4005         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
4006         (register_one_dump_file, register_dump_files_1, next_pass_1):
4007         Update arguments.
4008         (init_optimization_passes): Update handling of new types.
4009         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
4010         * ipa-struct-reorg.c: Update tree_pass descriptors.
4011         * tree-ssa-reassoc.c: Update tree_pass descriptors.
4012         * combine-stack-adj.c: Update tree_pass descriptors.
4013         * cfgrtl.c: Update tree_pass descriptors.
4014         * dce.c: Update tree_pass descriptors.
4015         * tree-ssanames.c: Update tree_pass descriptors.
4017 2008-03-19  Richard Guenther  <rguenther@suse.de>
4019         PR middle-end/35609
4020         * tree-ssa.c (walk_data): New structure.
4021         (warn_uninitialized_var): If not always_executed warn with "maybe"
4022         instead of "is".
4023         (execute_early_warn_uninitialized): Compute post-dominators.
4024         Initialize always_executed before processing each basic block.
4026 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
4028         PR target/35504
4029         * config/i386/i386.c (x86_this_parameter): Calculate correct location
4030         of "this" pointer when "regparm = N" or "fastcall" is in effect.
4032 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4034         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
4036 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
4038         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
4039         is true.
4040         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
4041         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
4042         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
4043         target after ignore has been set, and move there also the commputation
4044         of subtarget and original_target.
4045         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
4046         (LANG_HOOKS_INITIALIZER): Remove it.
4047         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
4049 2008-03-18  Richard Guenther  <rguenther@suse.de>
4051         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
4052         found an expression with constants, note that in the VN for the lhs.
4053         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
4054         fold them to constants if possible.  Run cleanup_cfg if done so.
4055         (execute_pre): Return todo.
4056         (do_pre): Likewise.
4057         (execute_fre): Likewise.
4058         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
4059         of constants.
4060         (get_prop_source_stmt): Look through pointer conversions.
4062 2008-03-18  Jan Hubicka  <jh@suse.cz>
4064         * tree-pretty-print.c: Include predict.h.
4065         (dump_generic_node): Dump predictor.
4066         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
4067         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
4068         * gimple-low.c (lower_stmt): Likewise.
4069         * expr.c (expand_expr_real): Likewise.
4070         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
4071         them.
4072         (build_predict_expr, build_predict_expr): New.
4073         * predict.h (predictor_name, build_predict_expr): Update.
4074         * c-typeck.c (c_finish_bc_stmt): Add prediction.
4075         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
4076         * predict.def (PRED_CONTINUE): Update hitrate.
4077         * tree.def (PREDICT_EXPR): Define.
4078         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
4079         do not handle BIND_EXPR.
4080         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
4081         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
4082         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
4083         operands.
4085 2008-03-18  Michael Matz  <matz@suse.de>
4087         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
4089 2008-03-18  Richard Guenther  <rguenther@suse.de>
4091         * tree-gimple.h (is_gimple_invariant_address): Declare.
4092         (is_gimple_constant): Likewise.
4093         * tree-gimple.c (is_gimple_constant): New function.
4094         (is_gimple_invariant_address): Likewise.
4095         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
4096         and is_gimple_invariant_address.
4097         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
4098         previous change.
4099         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
4100         an addressable base.
4102 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
4104         PR middle-end/35611
4105         * gimplify.c (gimplify_expr): Gimplify second operand of
4106         OMP_ATOMIC_LOAD.
4108 2008-03-17  Richard Guenther  <rguenther@suse.de>
4110         PR tree-optimization/19637
4111         * fold-const.c (fold_unary): Remove restrictions of removing
4112         intermediate pointer-conversions (P2)(P1)P0.
4113         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
4114         conversion to void pointer.
4115         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
4117 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
4119         PR debug/31510
4120         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
4121         emulated thread local variables.
4123 2008-03-16  Richard Guenther  <rguenther@suse.de>
4125         PR middle-end/35607
4126         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
4127         expand TREE_INVARIANT operations that are not gimple invariant.
4129 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
4131         * doc/extend.texi (Alignment): Say that the ABI controls
4132         the __alignof__ for non-strict-alignment targets rather
4133         than being a recommendation.
4135 2008-03-15  Paul Brook  <paul@codesourcery.com>
4137         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
4138         annotations.
4139         (arm_output_fn_unwind): Mark functions that can not be unwound.
4141 2008-03-15  Paul Brook  <paul@codesourcery.com>
4143         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
4144         extension instructions.
4146 2008-03-15  Richard Guenther  <rguenther@suse.de>
4148         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
4149         and fold constant aggregate refs.
4150         (fold_const_aggregate_ref): Handle string constants
4151         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
4152         (evaluate_stmt): Simplify now that ccp_fold folds constant
4153         aggregate refs.
4155 2008-03-15  Paul Brook  <paul@codesourcery.com>
4157         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
4158         (extzv): Use gen_extzv_t2.
4159         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
4161 2008-03-15  Richard Guenther  <rguenther@suse.de>
4163         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
4164         (fold_const_aggregate_ref): Likewise.
4165         (get_value): Return NULL if we don't have any values.
4166         (ccp_finalize): Set const_val to NULL after freeing it.
4167         * tree-flow.h (get_symbol_constant_value): Declare.
4168         (fold_const_aggregate_ref): Likewise.
4169         * tree-ssa-sccvn.c (try_to_simplify): Use them.
4171 2008-03-15  Richard Guenther  <rguenther@suse.de>
4173         PR middle-end/35593
4174         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
4175         to not produce negative array indices if not allowed.  Add
4176         parameter to indicate that.
4177         (maybe_fold_offset_to_component_ref): Allow negative array
4178         indices only for the first member of a structure.
4179         (maybe_fold_offset_to_reference): Allow negative array indices.
4180         (maybe_fold_stmt_addition): Likewise.
4182 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
4183             Anatoly Sokolov <aesok@post.ru>
4185         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
4186         (avr_arch): Add ARCH_AVR6.
4187         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
4188         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
4189         instead of fixed value 2.
4190         (print_operand_address): Use gs() asm specifier instead of pm().
4191         (avr_assemble_integer): (Ditto.).
4192         (avr_output_addr_vec_elt): (Ditto.).
4193         (print_operand): Handle "!" code.
4194         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
4195         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
4196         (AVR_HAVE_EIJMP_EICALL): Define.
4197         (AVR_3_BYTE_PC): Redefine.
4198         (AVR_2_BYTE_PC): (Ditto.).
4199         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
4200         (LINK_SPEC): Add atmega2560 and atmega2561.
4201         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
4202         (crtm2561.o).
4203         * config/avr/avr.md (call_insn): Use eicall instead of icall 
4204         for 3 byte PC devices.
4205         (call_value_insn): (Ditto.).
4206         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
4207         (indirect_jump): Use only for for 2 byte PC devices.
4208         (*tablejump): (Ditto.).
4209         (*indirect_jump_avr6): Add insn.
4210         (*tablejump_rjmp): Don't use for 3 byte PC devices.
4211         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
4212         instead of ijmp for 3 byte PC devices.
4213         (__tablejump2__): (Ditto.).
4214         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
4215         (MULITLIB_DIRNAMES): (Ditto.). 
4216         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
4218 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
4220         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
4221         "sse2_umulsidi3".  Use V1DI mode for operand 0.
4222         ("mmx_psadbw"): Use V1DI mode for operand 0.
4223         * config/i386/i386-modes.def (V1SI): New vector mode.
4224         * config/i386/i386.c (struct builtin_description)
4225         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
4226         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
4227         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
4228         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
4229         v1di_ftype_v8qi_v8qi type.
4230         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
4232         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
4233         __builtin_ia32_pmuludq]: Fix the mode of return value.
4235 2008-03-15  Richard Guenther  <rguenther@suse.de>
4237         PR middle-end/35595
4238         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
4239         being a PHI_NODE.
4241 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
4242         
4243         * doc/invoke.texi (Option Summary, Xtensa Options): Document
4244         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
4245         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
4246         unless TARGET_SERIALIZE_VOLATILE is enabled.
4247         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
4248         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
4249         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
4251 2008-03-14  Richard Guenther  <rguenther@suse.de>
4253         PR tree-optimization/34172
4254         * tree-flow.h (refs_may_alias_p): Declare.
4255         (get_single_def_stmt): Likewise.
4256         (get_single_def_stmt_from_phi): Likewise.
4257         (get_single_def_stmt_with_phi): Likewise.
4258         * tree-dfa.c (refs_may_alias_p): New function.
4259         (get_single_def_stmt): Likewise.
4260         (get_single_def_stmt_from_phi): Likewise.
4261         (get_single_def_stmt_with_phi): Likewise.
4262         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
4263         (vn_reference_lookup_1): New helper function.
4264         (vn_reference_lookup): Walk the virtual use-def chain to
4265         continue searching for a match if the def does not alias the
4266         reference we are looking for.
4268 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
4270         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
4271         archive and Perzl.  Update The Written Word listing.
4273 2008-03-14  Richard Guenther  <rguenther@suse.de>
4275         PR tree-optimization/34043
4276         PR tree-optimization/33989
4277         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
4278         when doing FRE.
4279         (bitmap_find_leader): Use extra argument to verify dominance
4280         relationship inside a basic-block.
4281         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
4282         (find_leader_in_sets): Adjust.
4283         (create_component_ref_by_pieces): Take extra argument for
4284         dominance check, handle lookup failures.
4285         (find_or_generate_expression): Likewise.
4286         (create_expression_by_pieces): Likewise.
4287         (insert_into_preds_of_block): Adjust.
4288         (create_value_expr_from): If asked for, verify all operands
4289         are in the blocks AVAIL_OUT set.
4290         (make_values_for_stmt): Check for SSA_NAMEs that are life
4291         over an abnormal edge.
4292         (compute_avail): Remove such check.
4293         (do_SCCVN_insertion): New function.
4294         (eliminate): If we do not find a leader suitable for replacement
4295         insert a replacement expression from SCCVN if available.
4296         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
4297         (struct vn_ssa_aux): Add needs_insertion flag.
4298         * tree-ssa-sccvn.c (may_insert): New global flag.
4299         (copy_reference_ops_from_ref): Value-number union member access
4300         based on its size, not type and member if insertion is allowed.
4301         (visit_reference_op_load): For a weak match from union type
4302         punning lookup a view-converted value and insert a SSA_NAME
4303         for that value if that is not found.
4304         (visit_use): Make dumps shorter.  Do not disallow value numbering
4305         SSA_NAMEs that are life over an abnormal edge to constants.
4306         (free_scc_vn): Release inserted SSA_NAMEs.
4307         (run_scc_vn): New flag to specify whether insertion is allowed.
4308         Process SSA_NAMEs in forward order.
4309         * tree-ssa-loop-im.c (for_each_index): Handle invariant
4310         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
4311         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
4312         pointer type to/from integral types that do not change the
4313         precision to regular conversions.
4315 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
4317         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4318         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4319         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
4320         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
4321         input arguments and the mode of return value.  Built-in functions
4322         that operate on whole 64-bit MMX register now use V1DI mode.
4324 2008-03-13  Alon Dayan  <alond@il.ibm.com>
4325             Olga Golovanevsky  <olga@il.ibm.com>
4327         PR tree-optimization/35041
4328         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
4329         to locate the right position in a statement.
4331 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
4333         PR target/34000
4334         PR target/35553
4335         * config/i386/xmmintrin.h:  Change all static inline functions to
4336         extern inline and add __gnu_inline__ attribute.
4337         * config/i386/bmintrin.h: Ditto.
4338         * config/i386/smmintrin.h: Ditto.
4339         * config/i386/tmmintrin.h: Ditto.
4340         * config/i386/mmintrin-common.h: Ditto.
4341         * config/i386/ammintrin.h: Ditto.
4342         * config/i386/emmintrin.h: Ditto.
4343         * config/i386/pmmintrin.h: Ditto.
4344         * config/i386/mmintrin.h: Ditto.
4345         * config/i386/mm3dnow.h: Ditto.
4347 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
4349         PR middle-end/35185
4350         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
4351         (lower_omp_2): New function.
4352         (lower_omp_1, lower_omp): Rewritten.
4354 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
4356         PR 35054
4357         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
4358         with the phrase "Microsoft Windows compilers".
4359         (Push/Pop Macro Pragmas): New subsection. Document
4360         #pragma push_macro and pragma pop_macro.
4362 2008-03-12  Paul Brook  <paul@codesourcery.com>
4364         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
4366 2008-03-12  Paul Brook  <paul@codesourcery.com>
4368         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
4369         (thumb2_alusi3_short): Exclude PLUS and MINUS.
4370         (thumb2_addsi_shortim): Rename ...
4371         (thumb2_addsi_short): ... to this.  Allow register operands.
4372         (thumb2_subsi_short): New pattern.
4373         (thumb2_one_cmplsi2_short,
4374         thumb2_negsi2_short): New patterns and peepholes.
4376 2008-03-12  Paul Brook  <paul@codesourcery.com>
4378         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
4380 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
4382         * config/i386/i386.md (int_cond): New code iterator.
4383         (fp_cond): Ditto.
4384         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
4385         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
4386         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
4387         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
4388         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
4389         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
4390         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
4391         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
4393 2008-03-12  Paul Brook  <paul@codesourcery.com>
4395         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
4396         instead of {arm,thumb}_compute_save_reg_mask.
4397         (output_return_instruction): Ditto.
4398         (thumb_unexpanded_epilogue): Ditto.
4399         (thumb1_expand_prologue): Ditto.
4400         (thumb1_output_function_prologue): Ditto.
4401         (arm_set_return_address): Ditto.
4402         (thumb_set_return_address): Ditto.
4403         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
4404         regs to achieve stack alignment.
4405         (thumb1_compute_save_reg_mask): Fix compiler warning.
4406         (arm_output_epilogue): Use offsets->saved_regs_mask.
4407         Adjust stack pointer by poping call clobered registers.
4408         (arm_expand_prologue): Use offsets->saved_regs_mask.
4409         Adjust stack pointer by pushing extra registers.
4410         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4412 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
4414         PR tree-opt/35422
4415         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4416         conversion to the operands of a multiplication.
4418 2008-03-12  Richard Guenther  <rguenther@suse.de>
4420         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4421         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4422         * timevar.def (TV_TREE_PHIPROP): Add.
4423         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4424         pass description.  Use TV_TREE_PHIPROP.
4425         * tree-ssa-forwprop.c: Remove phiprop code.
4427 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
4429         PR middle-end/35549
4430         * omp-low.c (maybe_lookup_decl): Constify first argument.
4431         (use_pointer_for_field): Change last argument from bool to
4432         omp_context *.  Disallow shared copy-in/out in nested
4433         parallel if decl is shared in outer parallel too.
4434         (build_outer_var_ref, scan_sharing_clauses,
4435         lower_rec_input_clauses, lower_copyprivate_clauses,
4436         lower_send_clauses, lower_send_shared_vars): Adjust callers.
4438 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
4439             Ira Rosen  <irar@il.ibm.com>
4441         * tree-vectorizer.c (free_stmt_vec_info): New function.
4442         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4443         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4444         * tree-vectorizer.h (free_stmt_vec_info): Declare.
4445         * tree-vect-transform.c (vectorizable_conversion): Free
4446         vec_oprnds0 if it was allocated.
4447         (vect_permute_store_chain): Remove unused VECs.
4448         (vectorizable_store): Free VECs that are allocated in the..
4449         function.
4450         (vect_transform_strided_load, vectorizable_load): Likewise.
4451         (vect_remove_stores): Simplify the code.
4452         (vect_transform_loop): Move code to vect_remove_stores().
4453         Call vect_remove_stores() and free_stmt_vec_info().
4455 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4457         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4458         TARGET_HPUX.  Revise comment.
4459         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4460         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4461         Use sr4 variant of `be' instruction when not generating PIC code.
4462         (attr_length_call): Adjust for above change.
4464 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4466         * ipa-reference.c (static_execute): Remove module_statics_const and
4467         associated setting code.
4469 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
4471         PR target/35540
4472         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4473         predicate for operand 1.
4474         (paritysi2_cmp): Use register_operand predicate for operand 2.
4475         Use earlyclobber modifier for operand 1.  Remove support for
4476         memory operands.
4477         (paritydi2_cmp): Use register_operand predicate for operand 3.
4478         Use earlyclobber modifier for operand 1.  Remove support for
4479         memory operands.
4481 2008-03-11  Paul Brook  <paul@codesourcery.com>
4482             Vladimir Prus  <vladimir@codesourcery.com>
4484         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4485         (arm_compute_save_reg0_reg12_mask): Always
4486         check if register 11 must be saved.  Always safe hard frame pointer
4487         when frame_pointer_needeed.
4488         (arm_compute_save_reg_mask): Save IP and PC
4489         only with apcs frames.
4490         (arm_output_epilogue): Adjust Thumb2 codepath to
4491         be also invoked and work for ARM non-apcs frames.
4492         (arm_expand_prologue): Don't bother saving IP
4493         for non-apcs frame, since it's not clobbered by
4494         prologue code.  Implement non-apcs frame
4495         layout.
4497 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
4499         PR rtl-optimization/35281
4500         * expr.c (convert_move): Use a new pseudo for the intermediate
4501         from_mode->word_mode result.
4503 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
4505         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4506         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4507         * toplev.c (compile_file): Don't call it.
4509 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
4511         PR middle-end/35526
4512         * expr.c (store_expr): Call emit_block_move if the mode
4513         of "temp" RTX is BLKmode.
4515 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4516             Richard Guenther  <rguenther@suse.de>
4518         PR tree-optimization/31358
4519         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4520         the step with a NULL_TREE.
4521         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4522         to sizetype if type is a pointer type.
4523         (add_candidate_1): Don't convert the base and step to
4524         the generic type if the orginal type is a pointer type.
4525         (add_iv_value_candidates): Use sizetype for the step
4526         if type is a pointer type.
4527         (cand_value_at): Likewise.
4528         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4529         for pointer types.
4530         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4531         Don't convert the tem affine to the type.
4532         (add_elt_to_tree): Use sizetype for the step if a pointer.
4533         Use POINTER_PLUS_EXPR for pointers.
4534         (aff_combination_to_tree): Use sizetype for the step if a
4535         pointer.
4537 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
4539         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4540         Remove commutativity hint.
4542 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
4544         PR c/35438
4545         PR c/35439
4546         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4547         errorneous type.  Check that v is a VAR_DECL.
4549         PR middle-end/35099
4550         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4552 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
4554         PR tree-optimization/35494
4555         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4556         may be overriden at link and run time.
4558 2008-03-10  Richard Guenther  <rguenther@suse.de>
4560         PR tree-optimization/34677
4561         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4562         (poolify_tree): Likewise.
4563         (modify_expr_template): Likewise.
4564         (poolify_modify_stmt): Likewise.
4565         (insert_fake_stores): Handle all component-ref style stores
4566         in addition to INDIRECT_REF.  Also handle complex types.
4567         Do not poolify the inserted load.
4568         (realify_fake_stores): Do not rebuild the tree but only
4569         make it a SSA_NAME copy.
4570         (init_pre): Remove initialzation of modify_expr_template.
4571         Do not allocate modify_expr_node_pool.
4572         (fini_pre): Do not free modify_expr_node_pool.
4574 2008-03-10  Paul Brook  <paul@codesourcery.com>
4576         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4577         to avoid conflicts.
4579 2008-03-10  Paul Brook  <paul@codesourcery.com>
4580             Mark Shinwell  <shinwell@codesourcery.com>
4582         * config/arm/cortex-r4.md: New.
4583         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4584         insn attributes.
4585         * config/arm/arm.md: Include cortex-r4.md.
4586         (insn): Add smmls, sdiv and udiv values.
4587         (generic_sched): Don't use generic scheduling for Cortex-R4.
4588         (arm_issue_rate): New function.
4589         (TARGET_SCHED_ISSUE_RATE): Define.
4591 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
4593         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4595 2008-03-10  Richard Guenther  <rguenther@suse.de>
4597         * tree-ssa-pre.c (get_sccvn_value): Simplify.
4598         (compute_avail): Do not add stmt uses to AVAIL_OUT.
4600 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
4602         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4603         Set default to true.
4605 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4607         * c.opt (Wsynth): Deprecate.
4608         * doc/invoke.texi (Option Summary, Warning Options): Document
4609         -Wno-format-contains-nul.
4611 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
4613         PR target/35496
4614         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4615         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4617 2008-03-09  Ira Rosen  <irar@il.ibm.com>
4619         * config/rs6000/rs6000.c (builtin_description): Rename vector
4620         left shift operations.
4621         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4622         (altivec_vsl<VI_char>): Rename to ...
4623         (ashl<mode>3): ... new name.
4624         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4625         gen_ashlv4si3.
4626         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4628 2008-03-08  Richard Guenther  <rguenther@suse.de>
4630         * coverage.h (tree_coverage_counter_addr): Declare.
4631         * coverage.c (tree_coverage_counter_addr): New function.
4632         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4633         before using again.
4634         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4635         (tree_gen_one_value_profiler): Likewise.
4636         (tree_gen_ic_profiler): Likewise.
4637         (tree_gen_average_profiler): Likewise.
4638         (tree_gen_ior_profiler): Likewise.
4640 2008-03-08  Richard Guenther  <rguenther@suse.de>
4642         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4643         (vn_binary_op_insert): Likewise.
4644         (vn_unary_op_lookup): Likewise.
4645         (vn_unary_op_insert): Likewise.
4646         (vn_nary_op_lookup): Declare.
4647         (vn_nary_op_insert): Likewise.
4648         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4649         and binary hashes, use a single obstack for unary_op_pool
4650         and binary_op_pool.
4651         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4652         a single struct vn_nary_op_s.  Store tree code length and
4653         a variable number of operands.
4654         (struct vn_reference_op_struct): Remove unused op2.
4655         (vn_reference_op_eq): Do not compare op2.
4656         (vn_reference_op_compute_hash): Do not compute hash of op2.
4657         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4658         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4659         with vn_nary_op_compute_hash.
4660         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4661         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4662         vn_nary_op_lookup.
4663         (vn_unary_op_insert, vn_binary_op_insert): Replace with
4664         vn_nary_op_insert.
4665         (visit_unary_op): Call nary functions.
4666         (visit_binary_op): Likewise.
4667         (process_scc): Adjust for struct vn_tables_s changes.
4668         (allocate_vn_table): Likewise.
4669         (free_vn_table): Likewise.
4670         * tree-vn.c (vn_add): Call nary functions.
4671         (vn_lookup): Likewise.
4673 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
4675         PR target/35498
4676         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4677         wdst back after sync_compare_and_swapqhi_internal.
4679 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
4681         PR target/22152
4682         * config/i386/i386-modes.def (V1DI): New vector mode.
4683         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4684         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4685         (MMXMODE248): Ditto.
4686         (MMXMODE): Add V1DI mode.
4687         (mmxvecsize): Change DI mode to V1DI mode.
4688         ("mov<mode>): Use MMXMODEI8 mode iterator.
4689         ("*mov<mode>_internal_rex64"): Ditto.
4690         ("*mov<mode>_internal"): Ditto.
4691         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
4692         ("mmx_sub<mode>3"): Ditto.
4693         ("mmx_adddi3"): Remove insn pattern.
4694         ("mmx_subdi3"): Ditto.
4695         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4696         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4697         ("mmx_ashl<mode>3"): Ditto.
4698         ("mmx_lshrdi3"): Remove insn pattern.
4699         ("mmx_ashldi3"): Ditto.
4700         * config/i386/i386.c (classify_argument): Handle V1DImode.
4701         (function_arg_advance_32): Ditto.
4702         (function_arg_32): Ditto.
4703         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4704         mmx_addv1di3 insn pattern.
4705         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4706         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4707         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4708         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4709         Remove definitions of built-in functions.
4710         (V1DI_type_node): New node.
4711         (v1di_ftype_v1di_int): Ditto.
4712         (v1di_ftype_v1di_v1di): Ditto.
4713         (v2si_ftype_v2si_si): Ditto.
4714         (v4hi_ftype_v4hi_di): Remove node.
4715         (v2si_ftype_v2si_di): Ditto.
4716         (ix86_init_mmx_sse_builtins): Handle V1DImode.
4717         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4718         Redefine builtins using def_builtin_const with *_ftype_*_int node.
4719         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4720         Add new builtins using def_builtin_const.
4721         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4722         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4723         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4724         * config/i386/mmintrin.h (__v1di): New typedef.
4725         (_mm_add_si64): Cast arguments to __v1di type.
4726         (_mm_sub_si64): Ditto.
4727         (_mm_sll_pi16): Cast __count to __v4hi type.
4728         (_mm_sll_pi32): Cast __count to __v2si type.
4729         (_mm_sll_si64): Cast arguments to __v1di type.
4730         (_mm_srl_pi16): Cast __count to __v4hi type.
4731         (_mm_srl_pi32): Cast __count to __v2si type.
4732         (_mm_srl_si64): Cast arguments to __v1di type.
4733         (_mm_sra_pi16): Cast __count to __v4hi type.
4734         (_mm_sra_pi32): Cast __count to __v2si type.
4735         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4736         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4737         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4738         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4739         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4740         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4741         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4742         (_mm_srai_pi32): Use __builtin_ia32_psradi.
4743         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4744         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4745         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4746         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4748 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
4750         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4752 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
4754         PR target/35373
4755         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4756         reg+const addressing for Altivec modes.  Don't generate reg+reg
4757         addressing for TFmode or TDmode quantities.
4759 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
4761         * c-common.c (vector_types_convertible_p): Call langhook
4762         instead of comptypes.
4764 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4766         PR tree-opt/35402
4767         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4768         integral and scalar float variables which have a
4769         NULL DECL_INITIAL.
4771 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
4773         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4774         dwarf_register_span hook when emitting unwind information for
4775         register-to-memory saves.
4776         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4777         (rs6000_frame_related): Remove call to spe_synthesize_frame.
4779 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
4781         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4782         for the same VAR_DECL.
4784 2008-03-06  Tom Tromey  <tromey@redhat.com>
4786         * treelang: Delete.
4787         * doc/standards.texi (Standards): Don't mention treelang.
4788         * doc/invoke.texi (Overall Options): Don't mention treelang.
4789         * doc/install.texi (Prerequisites): Don't mention bison or
4790         treelang.
4791         (Configuration): Don't mention treelang.
4792         (Building): Likewise.
4793         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4795 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
4797         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4798         word-extractions out of a multi-word object.
4800 2008-03-06  Richard Guenther  <rguenther@suse.de>
4802         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4803         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4804         result type and precision.
4805         * expr.c (get_inner_reference): Set unsignedp based on the result
4806         type of BIT_FIELD_REF.
4807         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4808         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4809         (try_instantiate_multiple_fields): Likewise.  Use the correct type
4810         for BIT_FIELD_REF.
4811         (sra_build_assignment): Likewise.
4812         (sra_build_elt_assignment): Likewise.
4813         (sra_explode_bitfield_assignment): Likewise.
4814         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4815         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4816         set BIT_FIELD_REF_UNSIGNED.
4817         (vectorizable_load): Likewise.
4819 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4821         * cse.c (cse_extended_basic_block): Invalidate artificial defs
4822         at bb start.
4824 2008-03-06  Richard Guenther  <rguenther@suse.de>
4826         * alias.c (struct alias_set_entry): Move has_zero_child field
4827         to pack with alias_set.
4829 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
4831         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4832         32bit host.
4834 2008-03-05  Ian Lance Taylor  <iant@google.com>
4836         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4838 2008-03-05  Kenneth Zadeck <zadeck@naturalbridge.com>
4840         * fwprop.c (update_df): Support width and offset parameters of
4841         df_ref_create.
4842         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4843         global_conflicts): Change DF_REF_EXTRACT to either
4844         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
4845         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4846         * df-scan.c (df_ref_record, df_defs_record,
4847         df_ref_create_structure, df_def_record_1, df_uses_record,
4848         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4849         df_bb_refs_collect, df_entry_block_defs_collect,
4850         df_exit_block_uses_collect): Support new width and offset fields.
4851         (ref_extract_pool): New storage pool.
4852         (df_free_ref): New function.
4853         (df_reg_chain_unlink, df_free_collection_rec,
4854         df_sort_and_compress_refs): Call df_free_ref.
4855         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4856         of df_ref_extract.
4857         (df_ref_create_structure): Allocate df_ref_extract if offset and
4858         width fields are used.
4859         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4860         (df_uses_record): Get offset and width from ZERO_EXTRACT 
4861         and SIGN_EXTRACT.
4862         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4863         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
4864         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4865         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4866         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
4867         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4868         (df_ref_extract): New structure.
4869         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4870         (df_ref_create): Add width and offset parameters.
4871         
4872 2008-03-05  Richard Guenther  <rguenther@suse.de>
4874         * tree-ssa-structalias.c (get_constraint_for_component_ref):
4875         Use ranges_overlap_p.
4876         (offset_overlaps_with_access): Rename
4877         to ranges_overlap_p and move ...
4878         * tree-flow-inline.h (ranges_overlap_p): ... here.
4880         * tree.h (get_inner_reference, handled_component_p): Update
4881         comments.
4883         * tree.h (record_component_aliases, get_alias_set,
4884         alias_sets_conflict_p, alias_sets_must_conflict_p,
4885         objects_must_conflict_p): Move declarations ...
4886         * alias.h (record_component_aliases, get_alias_set,
4887         alias_sets_conflict_p, alias_sets_must_conflict_p,
4888         objects_must_conflict_p): ... here.
4889         Include coretypes.h.
4890         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4892 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
4894         * cfg.c: Include tree-flow.h.
4895         (remove_edge_raw): Call redirect_edge_var_map_clear.
4896         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4897         * tree-flow-inline.h (redirect_edge_var_map_def): New.
4898         (redirect_edge_var_map_result): New.
4899         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4900         PENDING_STMT use with redirect_edge_var_map_*.
4901         * tree-ssa.c (edge_var_maps): New definition.
4902         (redirect_edge_var_map_add): New.
4903         (redirect_edge_var_map_clear): New.
4904         (redirect_edge_var_map_dup): New.
4905         (redirect_edge_var_map_vector): New.
4906         (redirect_edge_var_map_destroy): New.
4907         (ssa_redirect_edge): Replace PENDING_STMT use with
4908         redirect_edge_var_map_*.
4909         (flush_pending_stmts): Same.
4910         (delete_tree_ssa): Destroy edge var map.
4911         * tree-flow.h (struct _edge_var_map): New.
4912         Define edge_var_map vector type.
4913         Declare redirect_edge_var_map_* prototypes.
4914         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4915         * tree-cfg.c (reinstall_phi_args): Replace
4916         PENDING_STMT use with redirect_edge_var_map_*.
4918 2008-03-05  Richard Guenther  <rguenther@suse.de>
4920         PR tree-optimization/35472
4921         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4922         whose single use_stmt has a overlapping set of loaded and
4923         stored symbols as that use_stmt might be a noop assignment then.
4925 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
4927         * gthr-rtems.h: Implement __gthread_mutex_destroy.
4929 2008-03-05  Richard Guenther  <rguenther@suse.de>
4931         PR c++/35336
4932         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4933         should be constants.
4934         * tree-cfg.c (verify_expr): Verify it.
4935         * fold-const.c (fold_truthop): Remove code generating
4936         BIT_FIELD_REFs of structure bases.
4937         (fold_binary): Likewise.
4938         (fold_ternary): Position and size of BIT_FIELD_REFs are
4939         always host integers.
4940         (make_bit_field_ref): Remove.
4941         (optimize_bit_field_compare): Remove.
4942         (all_ones_mask_p): Remove.
4944 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
4946         PR gcc/33009
4947         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4948         (split_block_and_df_analyze): New. Split basic block and rebuild
4949         dataflow.
4950         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4951         SPLIT_BLOCK.
4952         (split_pattern_seq): Likewise.
4953         (erase_matching_seqs): Likewise.
4954         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4956 2008-03-04  Geoff Keating  <geoffk@apple.com>
4958         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4959         declaration and code.
4960         (tree_invalid_nonnegative_warnv_p): Likewise.
4962 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
4964         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4965         examples.  Truncate option-names then causing overfull hbox.
4967 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4969         PR target/35222
4970         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4971         on hpux10.
4972         * configure: Rebuilt.
4974 2008-03-04  Rafael Espindola  <espindola@google.com>
4976         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4977         (tree_unary_nonnegative_warnv_p): New.
4978         (tree_binary_nonnegative_warnv_p): New.
4979         (tree_single_nonnegative_warnv_p): New.
4980         (tree_invalid_nonnegative_warnv_p): New.
4981         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4983 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4985         PR 28322
4986         * opts.c (handle_option): Postpone 'unknown option' errors only for
4987         warning options.
4989 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
4991         PR target/35453
4992         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4993         (_SIDD_XXX): This.
4995 2008-03-04  Rafael Espindola  <espindola@google.com>
4997         * fold-const.c (tree_unary_nonzero_warnv_p): New.
4998         (tree_binary_nonzero_warnv_p): New.
4999         (tree_single_nonzero_warnv_p): New.
5000         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
5002 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
5004         PR middle-end/35456
5005         * fold-const.c (fold_cond_expr_with_comparison): Prevent
5006         transformations for modes that have signed zeros.
5007         * ifcvt.c (noce_try_abs): Ditto.
5009 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
5011         * config/i386/i386.c (override_options): Force
5012         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
5014 2008-03-04  Jan Hubicka  <jh@suse.cz>
5016         PR c++/35262
5017         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
5018         in last commit.
5020 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
5022         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
5023         label to probe the stack.
5025 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
5027         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
5028         (__gthr_win32_mutex_destroy): Declare.
5029         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
5030         __gthr_win32_mutex_destroy.
5031         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
5033 2008-03-03  Jan Hubicka  <jh@suse.cz>
5035         PR c++/35262
5036         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
5037         aggressive on inlining cold calls.
5039 2008-03-03  Richard Guenther  <rguenther@suse.de>
5041         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
5042         struct copies into the expression table.
5043         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
5044         (try_to_simplify): Likewise.
5045         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
5046         integral and pointer arguments which do not change the
5047         precision to NOP_EXPRs.
5048         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
5049         VIEW_CONVERT_EXPR case.
5051 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
5053         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
5054         defined in a loop at depth 0 is invariant.
5055         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5056         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
5057         be called at loop depth 0.
5059 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
5061         PR driver/35420
5062         * gcc.c (process_command): Update copyright notice dates.
5063         * gcov.c (print_version): Likewise.
5064         * gcov-dump.c (print_version): Likewise.
5065         * mips-tfile.c (main): Likewise.
5066         * mips-tdump.c (main): Likewise.
5068 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5070         PR 24924
5071         * c-common.c (flag_permissive): Delete.
5072         (constant_expression_warnings): Check flags first.
5073         (constant_expression_error): New.
5074         * c-common.h (flag_permissive): Delete.
5075         (constant_expression_error): Declare.
5076         * flags.h (flag_permissive): Declare. Update description.
5077         * diagnostic.c (pedwarn): Update.
5078         (permerror): New.
5079         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
5080         (permissive_error_kind): New.
5081         * toplev.c (flag_permissive): Define. Update description.
5082         * toplev.h (permissive_error_kind): Declare.
5083         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
5084         (pedwarn_c90): Use pedantic_warning_kind.
5085         * c-opts.c (c_common_post_options): flag_permissive does not affect
5086         flag_pedantic_errors.
5088 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
5090         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
5091         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
5092         __absvsi2, __absvDI2): Use unsigned arithmetic.
5094 2008-03-02  Andi Kleen  <ak@suse.de>
5095             Richard Guenther  <rguenther@suse.de>
5097         * struct-equiv.c: Remove file.
5098         * cfg_cleanup.c (condjump_equiv_p): Remove.
5099         * Makefile.in (OBJS-common): Remove struct-equiv.o.
5100         (struct-equiv.o): Remove rule.
5101         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
5102         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
5103         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
5105 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
5107         * ifcvt.c (noce_process_if_block): Try to handle only the then
5108         block if the else block exists but isn't suitable.
5110 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
5112         PR gcc/35063
5113         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
5114         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
5115         regression from previous patch.
5117 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
5119         PR gcc/35063
5120         * gthr.h: Add __gthread_mutex_destroy as a function that must be
5121         implemented.
5122         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
5123         * gthr-single.h (__gthread_mutex_destroy): Likewise.
5124         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
5125         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
5126         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
5127         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
5128         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
5129         (__gthread_mutex_destroy_function): Rename to
5130         __gthread_mutex_destroy.
5131         * gthr-dce.h (__gthread_mutex_destroy): Call
5132         pthread_mutex_destroy.
5133         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
5134         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
5135         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
5137 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
5139         * df-scan.c (df_ref_chain_change_bb): Simplify.
5140         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
5141         set_block_for_insn if there's any change.
5142         * df.h ((df_insn_change_bb): Fix prototype.
5143         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
5144         df_insn_change_bb, don't call set_block_for_insn.
5145         * emit-rtl.c (reorder_insns): Likewise.
5146         * haifa-sched.c (move_insn): Likewise.
5148 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
5150         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
5152 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
5154         * tree-flow-inline.h (next_readonly_imm_use): Return
5155         NULL_USE_OPERAND_P after the end.
5157 2008-03-01  Richard Guenther  <rguenther@suse.de>
5159         PR tree-optimization/35411
5160         * tree-sra.c (sra_build_assignment): Split conversion to
5161         final type to a separate statement if we are not assigning
5162         to a register.
5164 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5166         * fold-const.c (fold_convertible_p): Correct the logic to follow
5167         that in fold_convert().
5169 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
5171         PR c++/35315
5172         * tree-inline.c (build_duplicate_type): When we make a
5173         duplicate type, make it unique in the canonical types system.
5175 2008-02-29  Tom Tromey  <tromey@redhat.com>
5177         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
5178         input_file_stack_history, input_file_stack_restored): Remove.
5179         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5180         * input.h (struct file_stack): Remove.
5181         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
5182         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
5183         Likewise.
5184         * diagnostic.h (struct diagnostic_context) <last_module>: Change
5185         type.
5186         (diagnostic_last_module_changed): Add 'map' argument.
5187         (diagnostic_set_last_function): Likewise.
5188         * diagnostic.c (undiagnostic_report_current_module): Iterate using
5189         line map, not input_file_stack.
5190         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
5192 2008-02-29  Paul Brook  <paul@codesourcery.com>
5194         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
5196 2008-02-29  Paul Brook  <paul@codesourcery.com>
5198         * config/arm/ieee754-df.S (muldf3): Use RET macros.
5200 2008-02-29  Richard Guenther  <rguenther@suse.de>
5202         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
5203         vn_lookup_or_add.
5204         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
5205         value for comparing for a store match.
5206         (simplify_unary_expression): Do nothing for SSA_NAMEs.
5207         (try_to_simplify): Do not do a full-blown reference lookup.
5209 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5211         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
5212         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
5214         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
5216 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
5218         * tree-loop-linear.c (try_interchange_loops): Compare memory access
5219         strides against cache sizes.
5221 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5223         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
5224         constant to fpul.
5226 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
5228         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
5229         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
5230         is smaller than the original promoted value.
5231         (simplify_subreg): If OP is a SUBREG, try to preserve its
5232         SUBREG_PROMOTED_VAR_P information.
5234 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
5236         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
5237         (VN_INFO_GET): Allocate new objects on the obstack.
5238         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
5239         for rpo_numbers_temp, for consistency.
5240         (free_scc_vn): Free the obstack.
5242 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
5244         * doc/invoke.texi: Document -ftree-loop-distribution.
5245         * tree-loop-distribution.c: New.
5246         * tree-pass.h (pass_loop_distribution): New.
5247         * graphds.h (struct graph): Add htab_t indices.
5248         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
5249         * tree-vectorizer.c (rename_variables_in_loop): Extern.
5250         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
5251         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
5252         * tree-data-ref.c (debug_data_dependence_relations): New.
5253         (dump_data_dependence_relation): Also print data references.
5254         (free_data_ref): Extern.
5255         (same_access_functions): Moved...
5256         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
5257         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5258         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
5259         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
5260         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
5261         (stmts_from_loop): Skip LABEL_EXPR.
5262         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
5263         New.
5264         (build_rdg): Initialize rdg->indices htab.
5265         (free_rdg, stores_from_loop, ref_base_address,
5266         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
5267         have_similar_memory_accesses_1, ref_base_address_1,
5268         remove_similar_memory_refs): New.
5269         * tree-data-ref.h: Depend on tree-chrec.h.
5270         (debug_data_dependence_relations, free_data_ref): Declared.
5271         (same_access_functions): ... here.
5272         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
5273         New.
5274         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
5275         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
5276         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
5277         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
5278         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
5279         rdg_vertex_for_stmt): Declared.
5280         (struct rdg_edge): Add level.
5281         (RDGE_LEVEL): New.
5282         (free_rdg, stores_from_loop, remove_similar_memory_refs,
5283         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
5284         Declared.
5285         (rdg_has_similar_memory_accesses): New.
5286         * tree-vect-analyze.c: Remove unused static decls.
5287         * lambda.h (dependence_level): New.
5288         * common.opt (ftree-loop-distribution): New.
5289         * tree-flow.h (mark_virtual_ops_in_bb, 
5290         slpeel_tree_duplicate_loop_to_edge_cfg,
5291         rename_variables_in_loop): Declared.
5292         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
5293         (OBJS-common): Add tree-loop-distribution.o.
5294         (tree-loop-distribution.o): New rule.
5295         * tree-cfg.c (mark_virtual_ops_in_bb): New.
5296         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5297         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
5299 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
5301         PR target/33963
5302         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
5303         other than structures and unions.
5305 2008-02-28  Richard Guenther  <rguenther@suse.de>
5307         Revert:
5308         2008-02-26  Richard Guenther  <rguenther@suse.de>
5310         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5311         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5312         (lookup_decl_from_uid): Declare.
5313         (remove_decl_from_map): Likewise.
5314         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5315         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5316         (decl_for_uid_map): New global hashtable mapping DECL_UID
5317         to the decl tree.
5318         (init_ttree): Allocate it.
5319         (insert_decl_to_uid_decl_map): New helper function.
5320         (make_node_stat): Insert new decls into the map.
5321         (copy_node_stat): Likewise.
5322         (lookup_decl_from_uid): New function.
5323         (remove_decl_from_map): Likewise.
5324         (print_decl_for_uid_map_statistics): New helper.
5325         (dump_tree_statistics): Call it.
5327         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5328         (referenced_var_iterator): Adjust.
5329         (FOR_EACH_REFERENCED_VAR): Adjust.
5330         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5331         (num_referenced_vars): Adjust.
5332         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5333         (first_referenced_var): Remove.
5334         (end_referenced_vars_p): Likewise.
5335         (next_referenced_var): Likewise.
5336         (referenced_var_iterator_set): New helper function.
5337         * tree-dfa.c (referenced_var_lookup): Adjust.
5338         (referenced_var_check_and_insert): Likewise.
5339         (remove_referenced_var): Likewise.
5340         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5341         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5342         (verify_call_clobbering): Likewise.
5343         (verify_memory_partitions): Likewise.
5344         (init_tree_ssa): Allocate bitmap instead of hashtable for
5345         referenced_vars.
5346         (delete_tree_ssa): Adjust.
5347         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5348         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5349         (compute_tag_properties): Likewise.
5350         (set_initial_properties): Likewise.
5351         (find_partition_for): Likewise.
5352         (update_reference_counts): Likewise.
5353         (dump_may_aliases_for): Likewise.
5354         * tree-ssa-operands.c (add_virtual_operand): Likewise.
5355         (add_call_clobber_ops): Likewise.
5356         (add_call_read_ops): Likewise.
5357         (get_asm_expr_operands): Likewise.
5358         * tree-into-ssa.c (dump_decl_set): Likewise.
5359         (update_ssa): Likewise.
5360         * tree-sra.c (scan_function): Likewise.
5361         (decide_instantiations): Likewise.
5362         (scalarize_parms): Likewise.
5363         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5364         (dsa_named_for): Likewise.
5365         * tree-ssa-structalias.c (update_alias_info): Likewise.
5366         (merge_smts_into): Likewise.
5368 2008-02-27  David Daney  <ddaney@avtrex.com>
5370         PR target/34409
5371         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
5372         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
5373         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
5374         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
5375         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
5377 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
5379         PR target/25477
5380         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
5381         (BUILT_IN_NEXTTOWARD): Remove.
5382         (BUILT_IN_NEXTTOWARDF): Ditto.
5383         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
5384         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
5386 2008-02-27  Tom Tromey  <tromey@redhat.com>
5388         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
5389         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
5391 2008-02-27  Jan Beulich  <jbeulich@novell.com>
5393         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
5394         update the respective field on newdecl.
5396 2008-02-27  Revital Eres  <eres@il.ibm.com>
5398         PR rtl-optimization/34999
5399         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
5400         crossing edges that ends with a call insn.
5401         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
5402         call insn and clear the EDGE_CROSSING flag of the crossing edge
5403         when fixing fallthru edges.
5405 2008-02-27  Richard Guenther  <rguenther@suse.de>
5407         PR middle-end/35390
5408         * fold-const.c (fold_unary): Return the correct argument,
5409         converted to the result type.
5411 2008-02-27  Richard Guenther  <rguenther@suse.de>
5413         PR middle-end/34971
5414         * expr.c (expand_expr_real_1): Assert on rotates that operate
5415         on partial modes.
5416         * fold-const.c (fold_binary): Use the types precision, not the
5417         bitsize of the mode if folding rotate expressions.  Build rotates
5418         only for full modes.
5420 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
5422         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5423         and CPP_PRAGMA_EOL.
5424         * c-pragma.c (pragma_ns_name): New typedef.
5425         (registered_pp_pragmas): New variable.
5426         (c_pp_lookup_pragma): New function.
5427         (c_register_pragma_1): If flag_preprocess_only, do nothing
5428         for non-expanded pragmas, for expanded ones push pragma's
5429         namespace and name into registered_pp_pragmas vector.
5430         (c_invoke_pragma_handler): Register OpenMP pragmas even when
5431         flag_preprocess_only, don't register GCC pch_preprocess
5432         pragma if flag_preprocess_only.
5433         * c-opts.c (c_common_init): Call init_pragma even if
5434         flag_preprocess_only.
5435         * c-pragma.c (c_pp_lookup_pragma): New prototype.
5436         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5437         cpp_register_pragma if flag_preprocess_only.
5439 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5441         PR c/28800
5442         * c-parser.c (c_parser_translation_unit): Warn for empty
5443         translation unit, not empty source file.
5445 2008-02-26  Paul Brook  <paul@codesourcery.com>
5447         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5448         operand for Thumb-2.
5449         * config/arm/arm.h (reg_class): Add CORE_REGS.
5450         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5451         (BASE_REG_CLASS): Use CORE_REGS.
5452         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5453         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5454         (REGNO_OK_FOR_INDEX_P): Exclude SP.
5455         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
5456         ARM_REGNO_OK_FOR_INDEX_P.
5457         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5458         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5459         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5460         (ldm/stm peepholes): Ditto.
5461         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5462         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5463         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5464         * config/arm/constraints.md: Enable "k" constraint on ARM.
5466 2008-02-27  Ben Elliston  <bje@au.ibm.com>
5468         * config/rs6000/rs6000.c: Annotate cache line size field in all
5469         instances of struct processor_costs.
5471 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
5473         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5474         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5475         jump_bypass): New counters.
5476         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5477         * dce.c (gate_ud_dce): Same.
5478         (gate_fast_dce): Same.
5479         * dse.c (gate_dse1): New function.
5480         (gate_dse2): New function.
5481         (gate_dse): Merge results of new gate functions.
5482         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5483         (gate_handle_jump_bypass): Add dbg_cnt.
5484         (gate_handle_gcse): Add dbg_cnt.
5485         * ifcvt.c (gate_handle_if_conversion): Same.
5486         (gate_handle_if_after_combine): Same.
5487         (gate_handle_if_after_reload): Same.
5488         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5490 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
5492         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5493         line sizes.
5494         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5496 2008-02-26  Jason Merrill  <jason@redhat.com>
5498         PR c++/35315
5499         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
5500         alone if it's the naming decl for the type's main variant.
5502 2008-02-26  Tom Tromey  <tromey@redhat.com>
5504         * system.h (USE_MAPPED_LOCATION): Poison.
5505         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5506         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5507         (make_goto_expr_edges): Likewise.
5508         (remove_bb): Likewise.
5509         (execute_warn_function_return): Likewise.
5510         * basic-block.h (struct edge_def) <goto_locus>: Change type to
5511         location_t.
5512         * c-common.c (fname_decl): Remove old location code.
5513         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5514         location code.
5515         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5516         variant.
5517         (ASM_INPUT_SOURCE_LOCATION): Likewise.
5518         (gen_rtx_ASM_INPUT): Likewise.
5519         (gen_rtx_ASM_INPUT_loc): Likewise.
5520         (get_rtx_asm_OPERANDS): Remove.
5521         * cfglayout.c (insn_locators_alloc): Remove old location code.
5522         (set_curr_insn_source_location): Likewise.
5523         (curr_insn_locator): Likewise.
5524         * print-tree.c (print_node): Remove old location code.
5525         * tree-mudflap.c (mf_varname_tree): Remove old location code.
5526         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5527         * cfgexpand.c (expand_gimple_cond_expr): Don't use
5528         location_from_locus.
5529         (construct_exit_block): Remove old location code.
5530         * emit-rtl.c (force_next_line_note): Remove old location code.
5531         * profile.c (branch_prob): Remove old location code.
5532         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5533         LOC_LINE): Remove old-location variants.
5534         * langhooks.c (lhd_print_error_function): Remove old location
5535         code.
5536         * configure, config.in: Rebuilt.
5537         * configure.ac (--enable-mapped-location): Remove.
5538         * c-decl.c (c_init_decl_processing): Remove old location code.
5539         (finish_function): Likewise.
5540         * recog.c (decode_asm_operands): Remove old location code.
5541         * c-pch.c (c_common_read_pch): Remove old location code.
5542         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5543         variants.
5544         * gimple-low.c (lower_function_body): Remove old location code.
5545         * toplev.c (unknown_location): Remove.
5546         (push_srcloc): Remove old-location variant.
5547         (process_options): Remove old location code.
5548         (lang_dependent_init): Likewise.
5549         * input.h (UNKNOWN_LOCATION): Move definition.
5550         (location_t): Undeprecate.
5551         (source_locus): Remove.
5552         (location_from_locus): Remove.
5553         (struct location_s): Remove.
5554         Remove all old-location code.
5555         (input_line, input_filename): Remove.
5556         * final.c (final_scan_insn): Remove old location code.
5557         * diagnostic.c (diagnostic_build_prefix): Remove
5558         USE_MAPPED_LOCATION test.
5559         * tree.h (gimple_stmt) <locus>: Now a location_t.
5560         (tree_exp) <locus>: Likewise.
5561         (DECL_IS_BUILTIN): Remove old-location variant.
5562         (annotate_with_file_line, annotate_with_locus): Likewise.
5563         (expr_locus, set_expr_locus): Update.
5564         * tree.c (build1_stat): Remove old location code.
5565         (last_annotated_node): Remove.
5566         (annotate_with_file_line): Remove old-location variant.
5567         (annotate_with_locus): Likewise.
5568         (expr_location): Remove old location code.
5569         (set_expr_location): Likewise.
5570         (expr_has_location): Likewise.
5571         (expr_locus): Likewise.
5572         (set_expr_locus): Likewise.
5573         (expr_filename): Don't use location_from_locus.
5574         (expr_lineno): Likewise.
5575         * rtl-error.c (location_for_asm): Remove old location code.
5576         * c-lex.c (cb_line_change): Remove old location code.
5577         (fe_file_change): Likewise.
5578         (cb_def_pragma): Likewise.
5579         (c_lex_with_flags): Likewise.
5580         * gengtype.c (do_typedef): Don't special-case location types.
5581         (define_location_structures): Remove.
5582         (main): Don't call define_location_structures.
5583         * tree-pretty-print.c (dump_implicit_edges): Remove old location
5584         code.
5586 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5588         PR 26264
5589         * builtins.def (BUILT_IN_STDARG_START): Remove.
5590         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5591         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5592         * tree-inline.c (inline_forbidden_p_1): Likewise.
5593         
5594 2008-02-26  Richard Guenther  <rguenther@suse.de>
5596         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5597         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5598         (lookup_decl_from_uid): Declare.
5599         (remove_decl_from_map): Likewise.
5600         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5601         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5602         (decl_for_uid_map): New global hashtable mapping DECL_UID
5603         to the decl tree.
5604         (init_ttree): Allocate it.
5605         (insert_decl_to_uid_decl_map): New helper function.
5606         (make_node_stat): Insert new decls into the map.
5607         (copy_node_stat): Likewise.
5608         (lookup_decl_from_uid): New function.
5609         (remove_decl_from_map): Likewise.
5610         (print_decl_for_uid_map_statistics): New helper.
5611         (dump_tree_statistics): Call it.
5613         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5614         (referenced_var_iterator): Adjust.
5615         (FOR_EACH_REFERENCED_VAR): Adjust.
5616         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5617         (num_referenced_vars): Adjust.
5618         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5619         (first_referenced_var): Remove.
5620         (end_referenced_vars_p): Likewise.
5621         (next_referenced_var): Likewise.
5622         (referenced_var_iterator_set): New helper function.
5623         * tree-dfa.c (referenced_var_lookup): Adjust.
5624         (referenced_var_check_and_insert): Likewise.
5625         (remove_referenced_var): Likewise.
5626         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5627         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5628         (verify_call_clobbering): Likewise.
5629         (verify_memory_partitions): Likewise.
5630         (init_tree_ssa): Allocate bitmap instead of hashtable for
5631         referenced_vars.
5632         (delete_tree_ssa): Adjust.
5633         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5634         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5635         (compute_tag_properties): Likewise.
5636         (set_initial_properties): Likewise.
5637         (find_partition_for): Likewise.
5638         (update_reference_counts): Likewise.
5639         (dump_may_aliases_for): Likewise.
5640         * tree-ssa-operands.c (add_virtual_operand): Likewise.
5641         (add_call_clobber_ops): Likewise.
5642         (add_call_read_ops): Likewise.
5643         (get_asm_expr_operands): Likewise.
5644         * tree-into-ssa.c (dump_decl_set): Likewise.
5645         (update_ssa): Likewise.
5646         * tree-sra.c (scan_function): Likewise.
5647         (decide_instantiations): Likewise.
5648         (scalarize_parms): Likewise.
5649         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5650         (dsa_named_for): Likewise.
5651         * tree-ssa-structalias.c (update_alias_info): Likewise.
5652         (merge_smts_into): Likewise.
5654 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5656         PR 34351
5657         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5658         * c-opts.c (c_common_handle_option): Wall enables
5659         Wvolatile-register-var.
5660         * common.opt: Move Wvolatile-register-var to...
5661         * c.opt: ...here.
5662         
5663 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5665         * common.opt (Wlarger-than=): New.
5666         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5667         -Wlarger-than=.
5668         * opts.c (common_handle_option): Handle -Wlarger-than=.
5669         * optc-gen.awk: Likewise.
5670         * opth-gen.awk: Likewise.
5671         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5672         * tree-optimize.c (tree_rest_of_compilation): Likewise.
5673         
5674 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5676         * c-common.c (match_case_to_enum_1): Add appropriate
5677         OPT_W* parameter to warning.
5678         (c_do_switch_warnings): Likewise.
5679         * c-typeck.c (warning_init): Add one more parameter following
5680         'warning' function.
5681         (push_init_level): Update call to warning_init.
5682         (pop_init_level): Likewise.
5683         (add_pending_init): Likewise.
5684         (output_init_element: Likewise.
5686 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5688         PR 28322
5689         * toplev.c (toplev_main): If there are warnings or error, print
5690         errors for ignored options.
5691         * opts.c (ignored_options): New static variable.
5692         (postpone_unknown_option_error): New.
5693         (print_ignored_options): New.
5694         (handle_option): Postpone errors for unknown -Wno-* options.
5695         * opts.h (print_ignored_options): Declare.
5696         
5697 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5699         * config/mips/mips.md (loadgp_blockage, blockage): Change type
5700         to "ghost".
5702 2008-02-25  Richard Guenther  <rguenther@suse.de>
5704         Revert:
5705         2008-02-25  Richard Guenther  <rguenther@suse.de>
5707         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5708         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5709         (lookup_decl_from_uid): Declare.
5710         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5711         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5712         (decl_for_uid_map): New global hashtable mapping DECL_UID
5713         to the decl tree.
5714         (init_ttree): Allocate it.
5715         (insert_decl_to_uid_decl_map): New helper function.
5716         (make_node_stat): Insert new decls into the map.
5717         (copy_node_stat): Likewise.
5718         (lookup_decl_from_uid): New function.
5719         (print_decl_for_uid_map_statistics): New helper.
5720         (dump_tree_statistics): Call it.
5722         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5723         (referenced_var_iterator): Adjust.
5724         (FOR_EACH_REFERENCED_VAR): Adjust.
5725         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5726         (num_referenced_vars): Adjust.
5727         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5728         (first_referenced_var): Remove.
5729         (end_referenced_vars_p): Likewise.
5730         (next_referenced_var): Likewise.
5731         (referenced_var_iterator_set): New helper function.
5732         * tree-dfa.c (referenced_var_lookup): Adjust.
5733         (referenced_var_check_and_insert): Likewise.
5734         (remove_referenced_var): Likewise.
5735         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5736         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5737         (verify_call_clobbering): Likewise.
5738         (verify_memory_partitions): Likewise.
5739         (init_tree_ssa): Allocate bitmap instead of hashtable for
5740         referenced_vars.
5741         (delete_tree_ssa): Adjust.
5742         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5743         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5744         (compute_tag_properties): Likewise.
5745         (set_initial_properties): Likewise.
5746         (find_partition_for): Likewise.
5747         (update_reference_counts): Likewise.
5748         (dump_may_aliases_for): Likewise.
5749         * tree-ssa-operands.c (add_virtual_operand): Likewise.
5750         (add_call_clobber_ops): Likewise.
5751         (add_call_read_ops): Likewise.
5752         (get_asm_expr_operands): Likewise.
5753         * tree-into-ssa.c (dump_decl_set): Likewise.
5754         (update_ssa): Likewise.
5755         * tree-sra.c (scan_function): Likewise.
5756         (decide_instantiations): Likewise.
5757         (scalarize_parms): Likewise.
5758         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5759         (dsa_named_for): Likewise.
5760         * tree-ssa-structalias.c (update_alias_info): Likewise.
5761         (merge_smts_into): Likewise.
5763 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
5765         PR fortran/29549
5766         * doc/invoke.texi (-fcx-limited-range): Document new option.
5767         * toplev.c (process_options): Handle -fcx-fortran-rules.
5768         * common.opt: Add documentation for -fcx-fortran-rules.
5770 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
5772         PR c/35162
5773         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5774         actual behaviour and C99.
5775         
5776 2008-02-26  Ben Elliston  <bje@au.ibm.com>
5778         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5779         (ASM_CPU_POWER6_SPEC): Likewise.
5780         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5781         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5782         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5784 2008-02-25  Richard Guenther  <rguenther@suse.de>
5786         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5787         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5788         (lookup_decl_from_uid): Declare.
5789         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5790         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5791         (decl_for_uid_map): New global hashtable mapping DECL_UID
5792         to the decl tree.
5793         (init_ttree): Allocate it.
5794         (insert_decl_to_uid_decl_map): New helper function.
5795         (make_node_stat): Insert new decls into the map.
5796         (copy_node_stat): Likewise.
5797         (lookup_decl_from_uid): New function.
5798         (print_decl_for_uid_map_statistics): New helper.
5799         (dump_tree_statistics): Call it.
5801         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5802         (referenced_var_iterator): Adjust.
5803         (FOR_EACH_REFERENCED_VAR): Adjust.
5804         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5805         (num_referenced_vars): Adjust.
5806         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5807         (first_referenced_var): Remove.
5808         (end_referenced_vars_p): Likewise.
5809         (next_referenced_var): Likewise.
5810         (referenced_var_iterator_set): New helper function.
5811         * tree-dfa.c (referenced_var_lookup): Adjust.
5812         (referenced_var_check_and_insert): Likewise.
5813         (remove_referenced_var): Likewise.
5814         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5815         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5816         (verify_call_clobbering): Likewise.
5817         (verify_memory_partitions): Likewise.
5818         (init_tree_ssa): Allocate bitmap instead of hashtable for
5819         referenced_vars.
5820         (delete_tree_ssa): Adjust.
5821         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5822         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5823         (compute_tag_properties): Likewise.
5824         (set_initial_properties): Likewise.
5825         (find_partition_for): Likewise.
5826         (update_reference_counts): Likewise.
5827         (dump_may_aliases_for): Likewise.
5828         * tree-ssa-operands.c (add_virtual_operand): Likewise.
5829         (add_call_clobber_ops): Likewise.
5830         (add_call_read_ops): Likewise.
5831         (get_asm_expr_operands): Likewise.
5832         * tree-into-ssa.c (dump_decl_set): Likewise.
5833         (update_ssa): Likewise.
5834         * tree-sra.c (scan_function): Likewise.
5835         (decide_instantiations): Likewise.
5836         (scalarize_parms): Likewise.
5837         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5838         (dsa_named_for): Likewise.
5839         * tree-ssa-structalias.c (update_alias_info): Likewise.
5840         (merge_smts_into): Likewise.
5842 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
5844         PR target/35258
5845         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5846         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5847         * alias.h (nonoverlapping_memrefs_p): Likewise.
5849 2008-02-25  Jan Beulich  <jbeulich@novell.com>
5851         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5852         * config/i386/netware-libgcc.exp: Add __bswap?i2,
5853         __emultls_get_address, __emultls_register_common,
5854         __floatundi?f, and _Unwind_GetIPInfo.
5855         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5856         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5857         (gen_regparm_prefix): Likewise.
5858         (i386_nlm_encode_section_info): Sync with
5859         config/i386/winnt.c:i386_pe_encode_section_info().
5860         (i386_nlm_maybe_mangle_decl_assembler_name): New.
5861         i386_nlm_mangle_decl_assembler_name): New.
5862         (netware_override_options): New.
5863         * config/i386/netware.h (netware_override_options): Declare.
5864         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5865         (i386_nlm_mangle_decl_assembler_name): Declare.
5866         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5868 2008-02-25  Ben Elliston  <bje@au.ibm.com>
5870         PR other/32948
5871         * c-decl.c (grokdeclarator): Remove unused local variables
5872         `typedef_type' and `type_as_written'.
5873         * bb-reorder.c
5874         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5875         unused local variable `has_hot_blocks'.
5876         (fix_crossing_conditional_branches): Remove unused local variable
5877         `prev_bb'.
5878         
5879 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
5881         PR middle-end/19984
5882         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5883         using DEF_C99_BUILTIN.
5884         (BUILT_IN_NANF): Ditto.
5885         (BUILT_IN_NANL): Ditto.
5887 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
5888             Revital Eres  <eres@il.ibm.com>
5890         * modulo-sched.c (calculate_must_precede_follow): Address TODO
5891         regarding the order of two dependent insns in the same row.
5893 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
5895         * stor-layout.c (layout_decl): Do not bump the alignment of a
5896         bit-field to more than byte alignment if it is packed.
5898 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
5900         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5901         e300c2 and e300c3.
5903 2008-02-24  Diego Novillo  <dnovillo@google.com>
5905         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5907         PR 33738
5908         * tree-vrp.c (vrp_evaluate_conditional): With
5909         -Wtype-limits, emit a warning when comparing against a
5910         constant outside the natural range of OP0's type.
5911         * c.opt (Wtype-limits): Move ...
5912         * common.opt (Wtype-limits): ... here.
5914 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
5916         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5917         * config/rs6000/e300c2c3.md: New file.
5918         * config/rs6000/rs6000.c (processor_costs): Add new costs for
5919         e300c2 and e300c3.
5920         (rs6000_override_options): Add e300c2 and e300c3 cases to
5921         processor_target_table. Do not allow usage of Altivec or Spe
5922         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5923         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5924         * config/rs6000/rs6000.h (processor_type): Add
5925         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5926         (ASM_CPU_SPEC): Add e300c2 and e300c3.
5927         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5928         and ppce300c3. Include e300c2c3.md.
5930 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
5932         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5933         instead of TARGET_STRICT_ALIGN.
5935 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
5937         * explow.c (memory_address): Assert that the generated address is
5938         valid.
5940 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5942         PR target/25477
5943         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5944         * config/darwin-ppc-ldouble-patch.def: New file.
5945         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5946         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5947         SUBTARGET_INIT_BUILTINS if defined.
5948         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5949         New functions.
5951 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5953         PR rtl-opt/33512
5954         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5955         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5957 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5959         PR pch/35027
5960         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5961         file" warning condtional on -Winvalid-PCH.
5963 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
5965         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5967 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
5969         PR target/22076
5970         PR target/34256 
5971         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5972         prevent reload from using MMX registers.
5973         (*mov<mode>_internal): Ditto.
5974         (*movv2sf_internal_rex64): Ditto.
5975         (*movv2sf_internal): Ditto.
5977 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5979         PR documentation/31569
5980         * doc/install.texi2html: Use makeinfo --no-number-sections.
5982 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
5984         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5985         ensure that we can address an entire entity > 8 bytes.  Don't
5986         generate reg+reg addressing for such data.
5988 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
5990         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5991         strings when optimizing for size, unless the target cares about
5992         alignment.
5994 2008-02-22  Tom Tromey  <tromey@redhat.com>
5996         * regclass.c (current_pass): Remove declaration.
5998 2008-02-22  Anatoly Sokolov <aesok@post.ru>
6000         * config/avr/libgcc.S (__RAMPZ__): Define.
6001         (__do_copy_data): Add for devices with 128KB code memory.
6003 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
6005         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6006         Use spe_abi.
6007         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
6009 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
6011         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
6012         GENNONACR_REGS.
6014 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6016         PR c/19999
6017         * c-typeck.c (build_binary_op): Warn about floating point
6018         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
6020 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
6022         PR target/34526
6023         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
6024         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
6025         add vrsave.
6026         (rs6000_override_options): Set altivec_abi as default, not override,
6027         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
6028         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
6029         is used; use new member spe_abi.
6030         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
6031         spe_abi and altivec_abi.
6033 2008-02-22  Tomas Bily  <tbily@suse.cz>
6035         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
6037 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6039         PR bootstrap/35273
6040         * config.build (build_file_translate): Set to `CMD //c' only if
6041         it works.
6042         * Makefile.in (build_file_translate): Improve comment.
6044 2008-02-21  Jan Hubicka  <jh@suse.cz>
6046         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
6047         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
6048         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
6050 2008-02-21  Michael Matz  <matz@suse.de>
6052         PR target/35264
6053         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
6055 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
6057         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
6058         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
6059         as insn constraint.
6060         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
6061         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
6062         SSE_VEC_FLOAT_MODE_P as insn constraint.
6063         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
6064         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
6065         sse4a_movntdf using MODEF mode iterator.
6066         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
6067         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
6068         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
6069         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
6070         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
6071         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
6072         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
6074 2008-02-21  Richard Guenther  <rguenther@suse.de>
6076         * tree.def (PAREN_EXPR): New tree code.
6077         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
6078         and PAREN_EXPR.
6079         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
6080         * expr.c (expand_expr_real_1): Likewise.
6081         * tree-inline.c (estimate_num_insns_1): Likewise.
6082         * tree-complex.c (expand_complex_move): Likewise.
6083         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
6084         as plain x.
6086 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6088         PR target/35225
6089         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
6091 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
6093         PR target/35190
6094         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
6096         * config/sh/sh.c (find_barrier): Don't go past
6097         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
6099 2008-02-20  DJ Delorie  <dj@redhat.com>
6101         * config/h8300/h8300.md (insv): Force source operand to be a register.
6103         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
6104         as a jump, not as a plain insn.
6105         
6106 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
6108         * doc/invoke.texi (Warning Options): Add new option
6109         -Wframe-larger-than=.
6110         (-Wframe-larger-than): Document.
6112         * flags.h (warn_frame_larger_than, frame_larger_than_size):
6113         Add declarations for new option variables.
6115         * final.c (final_start_function): Check the frame size
6116         before emission and issue a Wframe-larger-than warning.
6118         * opts.c (warn_frame_larger_than, frame_larger_than_size):
6119         Add definitions for new option variables.
6120         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
6122         * common.opt (Wframe-larger-than=): New option.
6124 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
6126         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
6127         (<sse>_div<mode>3): Ditto.
6128         (<sse>_vmdiv<mode>3): Ditto.
6129         (<sse>_vmsqrt<mode>2): Ditto.
6130         (*smax<mode>3): Ditto.
6131         (sse5_frcz<mode>2): Ditto.
6132         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
6133         as insn constraint.
6135 2008-02-20  Richard Guenther  <rguenther@suse.de>
6137         PR middle-end/35265
6138         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
6139         be happy with INTEGRAL_TYPE_P.
6141 2008-02-20  Richard Guenther  <rguenther@suse.de>
6143         * fold-const.c (split_tree): Associate floatig-point expressions
6144         if flag_associative_math is set.
6146 2008-02-20  Richard Guenther  <rguenther@suse.de>
6148         * tree.h (fold_real_zero_addition_p): Declare.
6149         * fold-const.c (fold_real_zero_addition_p): Export.
6150         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
6151         floating-point operations with zero and one.
6153 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
6155         * doc/install.texi: Correct references to CFLAGS, replacing them
6156         with BOOT_CFLAGS.  Document flags used during bootstrap for
6157         target libraries.
6158                                 
6159 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
6161         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
6162         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
6163         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
6164         insn constraint.
6165         (smin<mode>3): Ditto from similar patterns.
6166         (smax<mode>3): Ditto.
6167         (*ieee_smin<mode>3): Ditto.
6168         (*ieee_smax<mode>3): Ditto.
6169         * config/i386/sse.md (sse): New mode attribute.
6170         (mov<mode>): Macroize expander from movv4sf and movv2df using
6171         SSEMODEF2P mode iterator.
6172         (<sse>_movnt<mode>): Ditto from similar patterns. Use
6173         SSE_VEC_FLOAT_MODE_P as insn constraint.
6174         (storent<mode>): Ditto.
6175         (storent<mode>): Macroize expander from storentsf and storentdf using
6176         MODEF mode iterator.
6177         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
6178         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
6179         (abs<mode>2): Ditto from similar patterns.
6180         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
6181         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
6182         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
6183         (<sse>_vmsqrt<mode>2): Ditto.
6184         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
6185         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
6186         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
6187         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
6188         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
6189         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
6190         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
6191         insn constraint.
6192         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
6193         iterator and SSE_FLOAT_MODE_P as insn constraint.
6194         (<sse>_ucomi): Ditto from similar patterns.
6195         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
6196         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
6197         SSE_VEC_FLOAT_MODE_P as insn constraint.
6198         (vcond<mode>): Ditto from similar patterns.
6199         (and<mode>3, *and<mode>3): Ditto.
6200         (<sse>_nand<mode>3): Ditto.
6201         (ior<mode>3, *ior<mode>3): Ditto.
6202         (xor<mode>3, *xor<mode>3): Ditto.
6203         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
6204         iterator and SSE_FLOAT_MODE_P as insn constraint.
6205         (*nand<mode>3): Ditto from similar patterns.
6206         (*ior<mode>3): Ditto.
6207         (*xor<mode>3): Ditto.
6209 2008-02-20  Ira Rosen  <irar@il.ibm.com>
6211         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
6212         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
6213         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
6215 2008-02-19  Jan Hubicka  <jh@suse.cz>
6217         * predict.c (tree_bb_level_predictions): Remove variable next
6218         mistakely introduced by previous commit.
6220 2008-02-19  Jan Hubicka  <jh@suse.cz>
6222         * predict.c (predict_paths_leading_to): Rewrite.
6223         (predict_paths_for_bb): New.
6224         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
6226 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6228         PR bootstrap/35218
6229         * Makefile.in (build_file_translate): New.
6230         (gcc-vers.texi): Use it for translating $(abs_srcdir).
6231         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
6232         * configure.ac (build_file_translate): Substitute it.
6233         * configure: Regenerate.
6235 2008-02-19  Jan Hubicka  <jh@suse.cz>
6237         PR rtl-optimization/34408
6238         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
6239         invalid sharing.
6241 2008-02-19  Jan Hubicka  <jh@suse.cz>
6243         PR middle-end/28779
6244         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
6245         call_expr.
6247 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
6249         PR Ada/35186
6250         * config/i386/i386-modes.def: Revert the last DI alignment
6251         change until Ada people can look into it.
6253 2008-02-19  Nick Clifton  <nickc@redhat.com>
6255         * opts.c (print_specific_help): Fix typo in --help text.
6257 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
6259         PR target/35239
6260         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
6261         32-bit inline asm without asm alternatives for host GCC < 3.0.
6263 2008-02-19  Richard Guenther  <rguenther@suse.de>
6265         PR tree-optimization/34989
6266         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
6267         Allow propagation to INDIRECT_REF if we can simplify only.
6269 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6271         * c-common.c (warn_for_collisions_1): Use appropriate option when
6272         warning.
6274 2008-02-19  Nick Clifton  <nickc@redhat.com>
6276         PR other/31349
6277         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
6278         (handle_options): Fix indentation.
6279         (print_filtered_help): If no language-specific options were
6280         displayed tell the user how to list all the options supported by
6281         the language's front-end.
6282         (print_specific_help): Fix indentation and remove duplicate line.
6283         (common_handle_option): Handle the -v option.
6284         For --help enable the display of undocumented options if the -v
6285         switch has been included on the command line.
6286         For --help= check for overlaps in the arguments between the option
6287         classes and the language names and issue a warning when they
6288         cannot be disambiguated.
6289         * c.opt (v): Pass on to the common option handler.
6291 2008-02-19  Revital Eres  <eres@il.ibm.com> 
6293         * modulo-sched.c (sms_schedule): Change dump message when
6294         create_ddg function fails.
6295         (try_scheduling_node_in_cycle): Rename row to cycle.
6296         (print_partial_schedule): Rename CYCLE to ROW.
6298 2008-02-19  Christian Bruel  <christian.bruel@st.com>
6299             Zdenek Dvorak  <ook@ucw.cz>
6301         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
6303 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
6305         PR target/33555
6306         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
6307         (*x86_movdicc_0_m1_se): Ditto.
6309 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
6311         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
6312         (CMPtype): Define as __gcc_CMPtype.
6313         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
6314         (CMPtype): Define as __gcc_CMPtype.
6316 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
6318         Support valgrind 3.3 for --enable-checking=valgrind.
6319         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
6320         here.
6321         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
6322         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
6323         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
6324         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
6325         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
6326         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
6327         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
6328         respectively.
6329         * ggc-zone.c: Similar.
6330         * ggc-page.c: Similar.
6332 2008-02-19  Paul Brook  <paul@codesourcery.com>
6334         PR target/35071
6335         * config/arm/ieee754-df.S: Fix do_it typo.
6336         * config/arm/ieee754-sf.S: Fix do_it typo.
6338 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
6340         PR target/35189
6341         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
6342         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
6343         (OPTION_MASK_ISA_SSE_SET): Likewise.
6344         (OPTION_MASK_ISA_SSE2_SET): Likewise.
6345         (OPTION_MASK_ISA_SSE3_SET): Likewise.
6346         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
6347         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
6348         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
6349         (OPTION_MASK_ISA_SSE4_SET): Likewise.
6350         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
6351         (OPTION_MASK_ISA_SSE5_SET): Likewise.
6352         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
6353         (OPTION_MASK_ISA_MMX_UNSET): Updated.
6354         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
6355         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
6356         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
6357         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
6358         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
6359         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
6360         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
6361         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
6362         (OPTION_MASK_ISA_SSE4): Removed.
6363         (ix86_handle_option): Turn on bits in ix86_isa_flags and
6364         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
6365         (override_options): Don't turn on implied SSE/MMX bits in
6366         ix86_isa_flags.
6368 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
6370         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6371         32bit host.
6373 2008-02-18  Joey Ye  <joey.ye@intel.com>
6375         PR middle-end/34921
6376         * tree-nested.c (insert_field_into_struct): Set type alignment
6377         to field alignment if the former is less than the latter.
6379 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
6381         * BASE-VER: Set to 4.4.0.
6383 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6385         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
6386         * doc/cfg.texi: Likewise.
6387         * doc/extend.texi: Likewise.
6388         * doc/gty.texi: Likewise.
6389         * doc/invoke.texi: Likewise.
6390         * doc/loop.texi: Likewise.
6391         * doc/md.texi: Likewise.
6392         * doc/passes.texi: Likewise.
6393         * doc/rtl.texi: Likewise.
6394         * doc/sourcebuild.texi: Likewise.
6395         * doc/tm.texi: Likewise.
6396         * doc/tree-ssa.texi: Likewise.
6398 2008-02-17  Richard Guenther  <rguenther@suse.de>
6400         PR middle-end/35227
6401         * tree-complex.c (init_parameter_lattice_values): Handle parameters
6402         without default definition.
6404 2008-02-17  Richard Guenther  <rguenther@suse.de>
6406         PR tree-optimization/35231
6407         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
6408         if A | B != 1.
6410 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
6412         Revert:
6413         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
6414         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6415         libgcc_cmp_return mode.
6417 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6419         PR c/28368
6420         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6422 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
6424         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6425         multilibs.
6427 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6429         * doc/c-tree.texi: Use `@.' where appropriate.
6430         * doc/extend.texi: Likewise.
6431         * doc/install.texi: Likewise.
6432         * doc/invoke.texi: Likewise.
6433         * doc/loop.texi: Likewise.
6434         * doc/makefile.texi: Likewise.
6435         * doc/md.texi: Likewise.
6436         * doc/passes.texi: Likewise.
6437         * doc/standards.texi: Likewise.
6438         * doc/tm.texi: Likewise.
6440 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
6442         PR middle-end/35196
6443         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6444         in entry_bb.
6445         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6446         rather than in entry_bb.
6448 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
6450         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6451         libgcc_cmp_return mode.
6453 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
6455         PR middle-end/35130
6456         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6457         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6459 2008-02-15  Richard Guenther  <rguenther@suse.de>
6460             Zdenek Dvorak  <ook@ucw.cz>
6462         PR tree-optimization/35164
6463         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6464         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6465         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6466         Only propagate addresses which do not have abnormal SSA_NAMEs
6467         in their operands.
6469 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
6471         PR target/35088
6472         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6474 2008-02-15  Jan Hubicka  <jh@suse.cz>
6476         PR middle-end/35149
6477         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6479 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
6481         PR middle-end/34621
6482         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6483         when calculating alignment_pad.
6485 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
6487         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6488         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6489         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6490         and STACK_BOUNDARY define.
6492 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
6494         PR preprocessor/35061
6495         * c-pragma.c (handle_pragma_pop_macro): Check that
6496         pushed_macro_table has been allocated.
6498 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
6500         PR middle-end/35136
6501         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6502         (force_gimple_operand): Likewise.
6503         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6504         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6505         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6506         (find_interesting_uses_address): Check addressability and alignment
6507         of the base expression only after substituting bases of IVs into it.
6509 2008-02-14  Michael Matz  <matz@suse.de>
6511         PR target/34930
6512         * function.c (instantiate_virtual_regs_in_insn): Reload address
6513         before falling back to reloading the whole operand.
6515 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
6517         * config/s390/s390.c (s390_mainpool_start): Emit the pool
6518         before the first section switch note.
6520 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6522         * doc/bugreport.texi: Update copyright years.
6523         * doc/c-tree.texi: Likewise.
6524         * doc/cfg.texi: Likewise.
6525         * doc/cpp.texi: Likewise.
6526         * doc/cppinternals.texi: Likewise.
6527         * doc/fragments.texi: Likewise.
6528         * doc/frontends.texi: Likewise.
6529         * doc/gcc.texi: Likewise.
6530         * doc/gty.texi: Likewise.
6531         * doc/hostconfig.texi: Likewise.
6532         * doc/implement-c.texi: Likewise.
6533         * doc/libgcc.texi: Likewise.
6534         * doc/loop.texi: Likewise.
6535         * doc/makefile.texi: Likewise.
6536         * doc/options.texi: Likewise.
6537         * doc/passes.texi: Likewise.
6538         * doc/rtl.texi: Likewise.
6539         * doc/sourcebuild.texi: Likewise.
6540         * doc/standards.texi: Likewise.
6541         * doc/tree-ssa.texi: Likewise.
6542         * doc/trouble.texi: Likewise.
6544         * doc/extend.texi: Use @: or add comma where appropriate.
6545         * doc/invoke.texi: Likewise.
6546         * doc/tm.texi: Likewise.
6548 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
6550         PR target/34393
6551         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6552         to a reg.
6554 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
6556         * doc/md.texi (clz, ctz): Add reference.
6557         * doc/rtl.texi (clz, ctz): Likewise.
6559 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6561         PR other/35148
6562         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6563         srcdir.
6565 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
6567         * config/s390/s390.c (struct constant_pool): New field
6568         emit_pool_after added.
6569         (s390_mainpool_start): Set the emit_pool_after flag according
6570         to the section switch notes.
6571         (s390_mainpool_finish): Consider emit_pool_after when emitting
6572         the literal pool at the end of the function.
6573         (s390_chunkify_start): Force literal pool splits at section
6574         switch notes.
6576 2008-02-13  Michael Matz  <matz@suse.de>
6578         PR debug/35065
6579         * var-tracking.c (clobber_variable_part): Correctly traverse the
6580         list.
6582 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6584         PR 29673
6585         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6586         Add -fdump-ipa-inline.
6587         * tree-dump.c (dump_files): Remove tree-inlined dump.
6588         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6589         
6590 2008-02-12  Richard Guenther  <rguenther@suse.de>
6592         PR tree-optimization/35171
6593         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6594         default defs.
6596 2008-02-12  Richard Guenther  <rguenther@suse.de>
6598         PR middle-end/35163
6599         * fold-const.c (fold_widened_comparison): Use get_unwidened in
6600         value-preserving mode.  Disallow final truncation.
6602 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
6604         PR middle-end/35136
6605         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6606         code from here to...
6607         (force_gimple_operand): ...here.
6609 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
6611         PR c++/35144
6612         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6613         non-compatible pointers.
6614         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6615         different FIELD_DECLs, try harder by comparing field offsets, sizes
6616         and types.
6618         PR inline-asm/35160
6619         * function.c (match_asm_constraints_1): Don't replace the same input
6620         multiple times.
6622 2008-02-12  Anatoly Sokolov <aesok@post.ru>
6624         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6625         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6626         (expand_epilogue): Restore RAMPZ register.
6627         * config/avr/avr.md (RAMPZ_ADDR): New constant.
6629 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
6631         * config/i386/cygwin.asm: (__alloca): Correct calling
6632         convention and alignment.
6633         (__chkstk): Force 8 byte stack alignment.
6635 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
6636             Richard Guenther  <rguenther@suse.de>
6638         PR tree-optimization/33992
6639         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6640         the zero we compare against.
6642 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
6644         PR libfortran/35063
6645         * gthr-win32.h (__gthread_mutex_destroy_function): New function
6646         to CloseHandle after unlocking to prevent accumulation of handle
6647         count.
6649 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6651         PR middle_end/34150
6652         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6653         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
6654         and update LABEL_NUSES during and after reload.
6656 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
6658         PR middle-end/34627
6659         * combine.c (simplify_if_then_else): Make sure the comparison is
6660         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6662 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
6664         PR bootstrap/35051
6665         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6666         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6667         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6668         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6669         * tree.h (get_type_static_bounds): Likewise.
6671 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6673         * doc/invoke.texi (Option Summary, C++ Dialect Options)
6674         (Objective-C and Objective-C++ Dialect Options, Warning Options):
6675         Make -Wfoo language annotations match what the compiler outputs.
6677 2008-02-08  Sa Liu  <saliu@de.ibm.com>
6679         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
6680         intrinsics spu_convts, spu_convtu, spu_convtf.
6682 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
6684         * doc/extend.texi (Function Attributes) <noinline>: Mention
6685         asm ("") as method to keep calls.
6687 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6689         PR other/32754
6690         * doc/options.texi (Options): Replace references to opts.sh with
6691         optc-gen.awk.
6692         * opts-common.c: Likewise.
6693         * optc-gen.awk: Likewise.
6694         
6695 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
6697         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6699 2008-02-07  Richard Henderson  <rth@redhat.com>
6701         PR rtl-opt/33410
6702         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6703         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
6704         funny mode.
6706 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
6708         PR tree-optimization/35085
6709         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6710         for operand entry oe2 in addition to operand entry oe3 in order to
6711         expose more opportunities for vectorizer sum reduction.
6713 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6715         PR other/35107
6716         * Makefile.in (LIBS): Remove $(GMPLIBS).
6717         (cc1-dummy, cc1): Add $(GMPLIBS).
6719 2008-02-06  Jan Hubicka  <jh@suse.cz>
6721         PR target/23322
6722         * i386.md (moddf_integer): Do not produce partial memory stalls for
6723         targets where it hurts.
6725 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
6727         PR target/35083
6728         * optabs.c (expand_float): Do not check for decimal modes when
6729         expanding unsigned integer through signed conversion.
6731 2008-02-06  Nick Clifton  <nickc@redhat.com>
6733         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6734         inside the clobber with a match_operand and duplicated operand
6735         number in the constraint.
6736         (ineqbranchsi): Delete redundant comment.
6738 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
6740         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
6741         builtin_define ("__USE_INIT_FINI__").
6742         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6743         -msx multilibs.
6744         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6746 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6748         PR documentation/30330
6749         * doc/invoke.texi (C++ Dialect Options)
6750         (Objective-C and Objective-C++ Dialect Options, Warning Options):
6751         For each warning option -Wfoo that allows -Wno-foo, ensure both
6752         -Wfoo and -Wno-foo are listed in the option index.  Fix index
6753         entry of -Wswitch-default, index -Wnormalized= including the
6754         `=', and -Wlarger-than-@var{len} including @var{len}.
6756 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
6758         * config/i386/i386.md (floatunssisf2): Use
6759         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6760         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6761         Macroize expander using MODEF mode iterator.
6763 2008-02-05  Diego Novillo  <dnovillo@google.com>
6765         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6767         PR 33738
6768         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6770 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6772         PR other/35070
6773         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6775 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
6777         PR target/35084
6778         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6779         to indicate if a message should be generated.
6780         (init_cumulative_args): Updated.
6781         (function_value_32): Likewise.
6783 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
6785         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6787 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
6789         PR target/35083
6790         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6791         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6793 2008-02-04  Diego Novillo  <dnovillo@google.com>
6795         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6797         PR 33738
6798         * tree-vrp.c (vrp_evaluate_conditional): With
6799         -Wtype-limits, emit a warning when comparing against a
6800         constant outside the natural range of OP0's type.
6802 2008-02-04  Richard Guenther  <rguenther@suse.de>
6804         PR middle-end/33631
6805         * expr.c (count_type_elements): Give for unions instead of
6806         guessing.
6808 2008-02-04  Richard Guenther  <rguenther@suse.de>
6810         PR middle-end/35043
6811         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6812         to TYPE_DOMAINs base type instead of using bitsizetype here.
6814 2008-02-03  Jason Merrill  <jason@redhat.com>
6816         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6818 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6820         PR other/29972
6821         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6822         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6823         (RS/6000 and PowerPC Options): Fix typos and markup.
6824         * doc/passes.texi (Tree-SSA passes): Likewise.
6826 2008-02-02  Michael Matz  <matz@suse.de>
6828         PR target/35045
6829         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6830         from record_last_reg_set_info.
6831         (record_last_reg_set_info): Take an RTX argument, iterate over all
6832         constituent hardregs.
6833         (record_last_set_info, record_opr_changes): Change calls to
6834         new signature or to record_last_reg_set_info_regno.
6836 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
6838         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6840 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
6842         PR rtl-optimization/34773
6843         * reg-notes.def (EQUAL): Mention significance of combination of
6844         REG_EQUAL and REG_RETVAL.
6845         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6846         insn that has a REG_RETVAL.
6848 2008-02-01  Roger Sayle  <roger@eyesopen.com>
6850         PR bootstrap/33781
6851         * configure.ac (--enable-fixed-point): Disable unless explicitly
6852         requested on IRIX.
6853         * configure: Regenerate.
6855 2008-02-01  Richard Guenther  <rguenther@suse.de>
6857         PR other/35042
6858         * invoke.texi (-finline-limit): Remove no longer true parts
6859         of the documentation.  Note that there is no default value.
6861 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
6862             Mark Mitchell  <mark@codesourcery.com>
6863             Ben Elliston  <bje@au.ibm.com>
6865         PR c/29326
6866         * doc/extend.texi (Other Builtins): Document.
6868 2008-01-31  Tom Browder <tom.browder@gmail.com>
6870         * doc/c-tree.texi (Types): Fix grammar.
6871         (Expression trees): Ditto.
6872         * doc/passes.texi (Tree-SSA passes): Ditto.
6873         
6874         * doc/configterms.texi (Configure Terms): Fix typo.
6875         * doc/cpp.texi (Common Predefined Macros): Ditto.
6876         * doc/md.texi (Machine Constraints): Ditto.
6877         
6878         * doc/makefile.texi (Makefile): Add comma.
6880 2008-01-31  Tom Browder  <tom.browder@gmail.com>
6881             Gerald Pfeifer  <gerald@pfeifer.com>
6882         
6883         * doc/sourcebuild.texi (Front End): Remove references to CVS
6884         and CVSROOT/modules.
6885         (Texinfo Manuals): Replace reference to CVS by one to SVN.
6886         (Back End): Remove reference to CVS.
6888 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
6890         PR target/34900
6891         * config/mips/mips.c (gen_load_const_gp): New function, taking a
6892         comment from...
6893         (mips16_gp_pseudo_reg): ...here.
6894         * config/mips/mips.md (load_const_gp): Replace with...
6895         (load_const_gp_<mode>): ...this :P-based insn.
6897 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6899         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6900         options. Minor fixes.
6901         (-std): Move reference to standards closer to where language
6902         standards are first mentioned.
6903         
6904 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
6906         PR rtl-optimization/34995
6907         * reload.c (alternative_allows_const_pool_ref): Take an rtx
6908         parameter and return a bool.  If the rtx parameter is nonnull,
6909         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6910         (find_reloads): Update call accordingly.  Pass the new operand
6911         if it needed no address reloads, otherwise pass null.
6913 2008-01-30  Richard Henderson  <rth@redhat.com>
6915         PR c/34993
6916         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6917         for unbounded arrays.
6919 2008-01-30  Silvius Rus  <rus@google.com>
6921         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6923 2008-01-30  Jan Hubicka  <jh@suse.cz>
6925         PR target/34982
6926         * i386.c (init_cumulative_args): Use real function declaration when
6927         calling locally.
6929 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
6931         PR rtl-optimization/34998
6932         * global.c (build_insn_chain): Treat non-subreg_lowpart
6933         SUBREGs of pseudos as clobbering all the words covered by the
6934         SUBREG, not just all the bytes.
6935         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
6936         original df_ref rather than an extract parameter.
6937         (global_conflicts): Update call accordingly.
6939 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
6941         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6942         the overflow check to make it easier to read.
6943         (__fixtfdi): Change the type of the ll member in union
6944         long_double to UDItype_x.
6946 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
6948         PR middle-end/34969
6949         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6950         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6951         * tree-inline.c (fold_marked_statements): Call
6952         cgraph_update_edges_for_call_stmt if folding a call statement.
6953         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6954         debug_generic_stmt calls, reset it back afterwards.
6956         PR c/35017
6957         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6958         static decls.
6959         * c-typeck.c (build_external_ref): Don't pedwarn about
6960         static vars in current function's scope.
6962 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
6964         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6966 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
6968         PR c/35002
6969         * ipa-struct-reorg.c: Fix spelling.
6970         * params.def: Ditto.
6972 2008-01-29  Richard Guenther  <rguenther@suse.de>
6974         PR middle-end/35006
6975         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6976         field.
6977         * tree-inline.c (remap_type): Increment remapping_type_depth
6978         around remapping types.
6979         (copy_body_r): Only add referenced variables if they are referenced
6980         from code, not types.
6982 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
6984         PR c++/34055
6985         PR c++/34103
6986         PR c++/34219
6987         PR c++/34606
6988         PR c++/34753
6989         PR c++/34754
6990         PR c++/34755
6991         PR c++/34919
6992         PR c++/34961
6993         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6994         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6996 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
6998         PR target/34412
6999         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
7000         pointer for tiny stack.
7002 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
7004         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
7006 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
7008         * config/vx-common.h: Fix typo in comment.
7010 2008-01-28  Ian Lance Taylor  <iant@google.com>
7012         PR c++/34862
7013         PR c++/33407
7014         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
7015         coalesce pointers if they have different DECL_NO_TBAA_P values.
7016         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
7017         between variables with different DECL_NO_TBAA_P values.
7019 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
7021         PR 31535
7022         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
7023         are not legitimate small data references on SPE targets.
7025 2008-01-28  David Daney  <ddaney@avtrex.com>
7027         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
7029 2008-01-28  David Daney  <ddaney@avtrex.com>
7031         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
7033 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
7035         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
7036         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
7037         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
7038         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
7039         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
7040         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
7041         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
7042         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
7044 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
7046         * basic-block.h (condjump_equiv_p): Fix comment.
7048 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
7050         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
7051         print_generic_stmt_indented): Fix comment.
7053 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
7055         * configure.ac (__stack_chk_fail): Add detecion for availability
7056         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
7057         * configure: Regenerate.
7059 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
7061         PR middle-end/34688
7062         * final.c (output_addr_const): Handle TRUNCATE.
7064 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
7066         PR target/34711
7067         * tree-ssa-loop-ivopts.c (comp_cost): New type.
7068         (zero_cost, infinite_cost): New constants.
7069         (struct cost_pair): Change type of cost to comp_cost.
7070         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
7071         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
7072         New functions.
7073         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
7074         split_address_cost, ptr_difference_cost, difference_cost,
7075         get_computation_cost_at, get_computation_cost,
7076         determine_use_iv_cost_generic, determine_use_iv_cost_address,
7077         determine_use_iv_cost_condition, determine_use_iv_costs,
7078         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
7079         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
7080         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
7081         Change type of cost to comp_cost.
7082         (determine_iv_cost): Increase cost of non-original ivs, instead
7083         of decreasing the cost of original ones.
7084         (get_address_cost): Indicate the complexity of the addressing mode 
7085         in comp_cost.
7086         (try_add_cand_for): Prefer using ivs not specific to some object.
7087         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
7089 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
7090             Janis Johnson  <janis187@us.ibm.com>
7092         PR target/34814
7093         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
7094         (TARGET_INSTANTIATE_DECLS): Likewise.
7095         * target.h (expand_to_rtl_hook): New target hook.
7096         (instantiate_decls): Likewise.
7097         * function.c (instantiate_decl): Make non-static.  Rename to...
7098         (instantiate_decl_rtl): ... this.
7099         (instantiate_expr): Use instantiate_decl_rtl.
7100         (instantiate_decls_1): Likewise.
7101         (instantiate_decls): Likewise.
7102         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
7103         * function.h (instantiate_decl_rtl): Add prototype.
7104         * cfgexpand.c (target.h): New include.
7105         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
7106         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
7107         (TARGET_INSTANTIATE_DECLS): Likewise.
7108         (TARGET_INITIALIZER): New target hooks added.
7109         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
7110         New prototype.
7111         * config/rs6000/rs6000.c (tree-flow.h): New include.
7112         (machine_function): Add sdmode_stack_slot field.
7113         (rs6000_alloc_sdmode_stack_slot): New function.
7114         (rs6000_instantiate_decls): Likewise.
7115         (rs6000_secondary_memory_needed_rtx): Likewise.
7116         (rs6000_check_sdmode): Likewise.
7117         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
7118         (TARGET_INSTANTIATE_DECLS): Likewise.
7119         (rs6000_hard_regno_mode_ok): Allow SDmode.
7120         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
7121         (rs6000_emit_move): Handle SDmode.
7122         (function_arg_advance): Likewise.
7123         (function_arg): Likewise.
7124         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
7125         SDmode var args for 32-bit compiles.
7126         (rs6000_secondary_reload_class): Handle SDmode.
7127         (rs6000_output_function_epilogue): Likewise.
7128         (rs6000_function_value): Simplify if statement.
7129         (rs6000_libcall_value): Likewise.
7130         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
7131         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
7132         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
7133         (movsd_hardfloat): New define_insn.
7134         (movsd_softfloat): Likewise.
7135         (movsd_store): Likewise.
7136         (movsd_load): Likewise.
7137         (extendsddd2): Likewise.
7138         (extendsdtd2): Likewise.
7139         (truncddsd2): Likewise.
7140         (movdd_hardfloat64): Fixup comment.
7141         (UNSPEC_MOVSD_LOAD): New constant.
7142         (UNSPEC_MOVSD_STORE): Likewise.
7144 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
7146         PR c++/34965
7147         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
7148         TRUTH_XOR_EXPR.
7149         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
7150         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
7151         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
7152         and TRUTH_XOR_EXPR.
7154 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
7156         PR target/34794
7157         * config.gcc: Separate AIX 5.3 from AIX 6.1.
7158         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7159         __LONGDOUBLE128 too.
7160         * config/rs6000/aix61.h: New file.
7162 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
7164         PR rtl-optimization/34959
7165         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
7166         popcount and parity rtxes the same mode as their operand.
7167         Truncate or extend the result to the return value's mode
7168         if necessary.
7170 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
7172         PR target/34981
7173         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
7174         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
7175         to GOT_VERSION_REGNUM.
7176         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
7177         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
7178         * config/mips/mips.c (mips_emit_call_insn): New function.
7179         (mips_call_tls_get_addr): Call mips_expand_call directly.
7180         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
7181         emit_call_insn.
7182         (mips16_build_call_stub): Likewise.  Return the call insn or null.
7183         (mips_expand_call): Update the call to mips16_build_call_stub
7184         accordingly and a remove redundant condition.  Assert that MIPS16
7185         stubs do not use lazy binding.  Use mips_emit_call_insn and return
7186         the call insn.
7187         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
7188         TARGET_USE_GOT.
7189         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
7190         (mips_avoid_hazard): Remove hazard_set handling.
7191         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
7192         (UNSPEC_RESTORE_GP): ...this.
7193         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
7194         (FAKE_CALL_REGNO): Rename to...
7195         (GOT_VERSION_REGNUM): ...this.
7196         (type): Add "ghost" value.  Add an associated insn reservation.
7197         (hazard_set): Remove.
7198         (exception_receiver): Rename to...
7199         (restore_gp): ...this and update the unspec identifier accordingly.
7200         (exception_receiver, nonlocal_got_receiver): New expanders.
7201         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
7202         FAKE_CALL_REGNO.  Remove hazard_set attribute.
7203         (set_got_version, update_got_version): New patterns.
7205 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
7207         PR target/34970
7208         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
7210 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
7212         PR other/31955
7213         * doc/install.texi2html: Generate gcc-vers.texi.
7215 2008-01-25  DJ Delorie  <dj@redhat.com>
7217         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
7219 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
7221         * config/c4x: Remove directory.
7222         * config.gcc (crx-*, mt-*): Mark obsolete.
7223         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
7224         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
7225         sh-*-rtemscoff*): Remove cases.
7226         * defaults.h (C4X_FLOAT_FORMAT): Remove.
7227         * real.c (encode_c4x_single, decode_c4x_single,
7228         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
7229         c4x_extended_format): Remove.
7230         * real.h (c4x_single_format, c4x_extended_format): Remove.
7231         * doc/extend.texi (interrupt, naked): Remove mention of attributes
7232         on C4x.
7233         (Pragmas): Remove comment about c4x pragmas.
7234         * doc/install.texi (c4x): Remove target-specific instructions.
7235         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
7236         * doc/md.texi (Machine Constraints): Remove C4x documentation.
7237         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
7238         refer to C4x source files as examples.
7239         (C4X_FLOAT_FORMAT): Remove documentation.
7241 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
7243         * config/bfin/bfin.c (override_options): Reorder tests so that
7244         flag_pic gets enabled for -msep-data.
7246 2008-01-25  Richard Guenther  <rguenther@suse.de>
7248         PR middle-end/32244
7249         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
7250         to its bitfield precision if required.
7252 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
7254         PR middle-end/33880
7255         * tree-nested.c (walk_omp_for): New function.
7256         (convert_nonlocal_reference, convert_local_reference): Call
7257         walk_omp_for on OMP_FOR.
7258         (convert_call_expr): Call walk_body on OMP_FOR's
7259         OMP_FOR_PRE_INIT_BODY.
7261 2008-01-25  Richard Guenther  <rguenther@suse.de>
7263         PR tree-optimization/34966
7264         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
7265         default defs and PHI_NODEs we have to insert after the
7266         defining statement.
7268 2008-01-24  Nick Clifton  <nickc@redhat.com>
7270         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
7271         Provide a default definition.
7272         (LIBGCC2_UNITS_PER_WORD): Likewise.
7274         * config/stormy16/stormy16.c: Include df.h for the prototype
7275         for df_regs_ever_live_p.
7276         (xstormy16_expand_builtin_va_start): Convert the stack offset
7277         into a component_ref and then use POINTER_PLUS_EXPR to add it
7278         to the incoming_virtual_args_rtx.
7279         (xstormy16_gimplify_va_arg_expr): Rename to
7280         xstormy16_gimplify_va_arg_expr.
7281         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
7282         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
7283         xstormy16_gimplify_va_arg_expr.
7284         Fix up some formatting issues.
7286         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
7287         Move to predicates.md.
7288         (xs_hi_general_operand): Likewise.
7289         (xs_hi_nonmemory_operand): Likewise.
7290         * config/stormy16/predicates.md:
7291         (xstormy16_carry_plus_operand): New predicate.
7292         (xs_hi_general_operand): New predicate.
7293         (xs_hi_nonmemory_operand): New predicate.
7294         * config/stormy16/stormy16-protos.h:
7295         (xstormy16_carry_plus_operand): Delete prototype.
7296         (xs_hi_general_operand): Likewise.
7297         (xs_hi_nonmemory_operand): Likewise.
7299         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
7300         modifiers as they are no longer needed and they can trigger
7301         reload spill failures.
7303         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
7304         with a match_operand in order to help reload.
7306         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
7307         constraint with 'e' for the 8th alternative as this version of
7308         the mov.w instruction only accepts the lower 8 registers.
7310 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
7312         PR target/34856
7313         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
7314         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
7315         vector elements.
7317 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
7319         PR middle-end/33333
7320         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
7322 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
7324         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
7325         New functions.
7326         (remove_structure): Update allocations list before removing structure.
7327         
7328 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
7330         * ipa-struct-reorg.c (is_safe_cond_expr, 
7331         create_new_stmts_for_cond_expr): Use integer_zerop function,
7332         that recognize not only zero-pointer, but zero-integer too.
7334 2008-01-25  Ben Elliston  <bje@au.ibm.com>
7336         PR other/22232
7337         * fixproto: Escape "." in sed expression that strips leading "./".
7339 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
7341         PR driver/34904
7342         * gcc.c (SWITCH_OK): Removed.
7343         (SWITCH_LIVE): Changed to bit.
7344         (SWITCH_FALSE): Likewise.
7345         (SWITCH_IGNORE): Likewise.
7346         (switchstr): Change live_cond to unsigned int.
7347         (process_command): Replace SWITCH_OK with 0.
7348         (do_self_spec): Likewise.
7349         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
7350         (give_switch): Likewise.
7351         (used_arg): Likewise.
7352         (do_spec_1): Set the SWITCH_IGNORE bit.
7353         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
7354         bits.  Set the SWITCH_LIVE bit.
7356 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
7358         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
7360 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
7362         PR tree-optimization/34472
7363         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
7364         parameter to a "bool *" and set *DATA to false if there is
7365         an unsafe access.  Do not delete the structure here.
7366         (check_cond_exprs): Delete it here instead.
7367         (check_cond_exprs, exclude_cold_structs): Do not increase
7368         I when removing a structure.
7370 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
7372         PR target/34856
7373         * config/i386/i386.c (ix86_expand_vector_init): Consider only
7374         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
7376 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
7378         PR middle-end/34934
7379         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
7380         a fixed vector for stack.
7382 2008-01-24  Ben Elliston  <bje@au.ibm.com>
7384         PR c++/25701
7385         * doc/gcc.texi (Software development): Add a direntry for g++.
7386         
7387 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
7389         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
7390         stale and straggling -fforce-addr comments above.
7392         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
7393         define.
7394         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
7395         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
7397 2008-01-23  Michael Matz  <matz@suse.de>
7399         PR debug/34895
7400         * dwarf2out.c (force_type_die): Use modified_type_die instead of
7401         gen_type_die.
7403 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
7405         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
7406         malloc result type.
7408 2008-01-23 Anatoly Sokolov <aesok@post.ru>
7410         * config/avr/avr.c (avr_current_arch): New variable.
7411         (avr_arch_types): Add 'avr31' and 'avr51' entries.
7412         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7413         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7414         (avr_override_options): Init 'avr_current_arch'. 
7415         (base_arch_s): Move from here...
7416         * config/avr/avr.h (base_arch_s): ... here. Add new members 
7417         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
7418         'mega' to 'have_jmp_call'.
7419         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
7420         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
7421         macros.
7422         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
7423         architectures.
7424         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
7425         MULTILIB_MATCHES): (Ditto.).
7427 2008-01-23  Richard Guenther  <rguenther@suse.de>
7429         PR middle-end/31529
7430         * cgraphunit.c (cgraph_reset_node): Always mark the node
7431         not reachable if it is not queued already.
7433 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
7435         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7436         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7437         (cputype_selected): New static variable.
7438         (bfin_handle_option): Set it if -mcpu is used.
7439         (override_option): Select default set of workarounds if no cpu type
7440         selected on the command line.
7441         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7443         From  Michael Frysinger  <michael.frysinger@analog.com>
7444         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7445         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7447         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7448         for bf547, bf523, bf524, and bf526.
7449         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
7450         bf526.
7451         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7452         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7453         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7454         __ADSPBF547__ and __ADSPBF54x__ for bf547.
7455         * doc/invoke.texi (Blackfin Options): Document that
7456         -mcpu now accept bf547, bf523, bf524, and bf526.
7458 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
7460         PR rtl-optimization/34628
7461         * combine.c (try_combine): Stop and undo after the first combination
7462         if an autoincrement side-effect on the first insn has effectively
7463         been lost.
7465 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
7467         PR target/34529
7468         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7469         Offset addresses are not valid for Altivec or paired float modes.
7471 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
7473         PR c++/34607
7474         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7475         if DECL_INITIAL (decl) is error_mark_node.
7477         PR c++/34914
7478         * c-common.c (handle_vector_size_attribute): Only allow
7479         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
7480         the same way as pointer, array etc. types.
7481         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7483         PR c++/34917
7484         * tree.c (build_type_attribute_qual_variant): Call
7485         build_qualified_type if attributes are equal, but quals are not.
7487 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7489         PR 32102
7490         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7491         * flags.h (warn_strict_aliasing): Remove.
7492         (warn_strict_overflow): Remove.
7493         * opts.c (warn_strict_aliasing): Remove.
7494         (warn_strict_overflow): Remove.
7495         * c-opts.c (c_common_handle_option): -Wall only sets
7496         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7497         (c_common_post_options): Give default values to -Wstrict-aliasing
7498         and -Wstrict-overflow if they are uninitialized.
7499         * common.opt (Wstrict-aliasing): Specify Var and Init.
7500         (Wstrict-overflow): Likewise.
7502 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
7504         PR rtl-optimization/26854
7505         PR rtl-optimization/34400
7506         PR rtl-optimization/34884
7507         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7508         DF_RD->gen.
7509         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7510         (df_rd_bb_info.expanded_lr_out): Deleted
7511         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7512         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
7513         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7514         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7515         Removed code to allocate, initialize or free expanded_lr_out.
7516         (df_rd_bb_local_compute_process_def): Restructured to make more
7517         understandable.
7518         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7519         sets if the sets are being trimmed.
7521 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
7523         PR bootstrap/32287
7524         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7525         (as_vers): Likewise.
7526         * configure: Regenerated.
7528 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7530         PR middle-end/33092
7531         * tree-pass.h (pass_build_alias): New pass.
7532         * tree-ssa-alias.c (gate_build_alias): New.
7533         (pass_build_alias): New.
7534         * passes.c (init_optimization_passes): Add pass_build_alias after
7535         pass_create_structure_vars.
7537 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
7539         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7540         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7541         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7542         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7543         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7544         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7545         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7546         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7547         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7548         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7549         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7550         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7551         * config/s390/s390.md (FP_ALL): New mode iterator.
7552         (_d): New mode attribute.
7553         ("*signbit<mode>2>"): Changed mode of first operand.
7554         ("isinf<mode>2"): Changed mode of first operand.
7555         ("*TDC_insn"): Adaptation for DFP modes.
7557 2008-01-22  Ben Elliston  <bje@au.ibm.com>
7559         * tree.c (check_qualified_type): Improve function description.
7561 2008-01-21  Jason Merrill  <jason@redhat.com>
7563         PR c++/34196
7564         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7565         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7566         if it is set.
7568 2008-01-21  DJ Delorie  <dj@redhat.com>
7570         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7571         return zero.
7573 2008-01-21  Richard Guenther  <rguenther@suse.de>
7575         PR middle-end/34856
7576         * tree-cfg.c (verify_expr): Allow all invariant expressions
7577         instead of just constant class ones as reference argument.
7578         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7579         like any other constant.
7580         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7582 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
7584         * regmove.c (fixup_match_1): Update call crossed frequencies.
7586 2008-01-21  Richard Guenther  <rguenther@suse.de>
7588         PR c/34885
7589         * tree-inline.c (setup_one_parameter): Deal with mismatched
7590         types using a VIEW_CONVERT_EXPR.
7592 2008-01-21  Alon Dayan  <alond@il.ibm.com>
7593             Olga Golovanevsky  <olga@il.ibm.com>
7594         
7595         PR tree-optimization/34701
7596         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7597         when the structure size is not a power of 2.
7599 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
7601         * doc/install.texi: Add doc for --enable-checking=df.
7602         
7603 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7605         PR rtl-optimization/34808
7606         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7608 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
7610         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7611         input.
7613 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7615         PR rtl-optimization/26854
7616         PR rtl-optimization/34400
7617         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7618         DF_RD->gen.
7619         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7620         (df_rd_bb_info.expanded_lr_out): New.
7621         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7622         * loop_iv.c (iv_analysis_loop_init): Ditto.
7623         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7624         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7625         Added code to allocate, initialize or free expanded_lr_out.
7626         (df_rd_bb_local_compute_process_def): Restructured to make
7627         more understandable.
7628         (df_rd_confluence_n): Add code to do nothing with fake edges and
7629         code to no apply invalidate_by_call sets if the sets are being trimmed.
7630         (df_lr_local_finalize): Renamed to df_lr_finalize.
7631         (df_live_local_finalize): Renamed to df_live_finalize.
7633 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
7635         PR target/34831
7636         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7637         deciding whether to use reciprocal instructions.
7639 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
7641         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7642         dwarf2out_note_section_used if cold_text_section is NULL.
7644 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
7646         PR gcov-profile/34610
7647         * tree-cfg.c (make_edges): Mark both outgoing edges from
7648         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7649         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7650         from OMP_FOR and OMP_CONTINUE outgoing edges.
7652         * tree-profile.c (tree_profiling): Return early if
7653         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
7654         at the end.
7655         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7656         from cfun to child_cfun.
7657         * function.h (struct function): Add after_tree_profile bit.
7659 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7661         * config/avr/avr.S (_exit): Disable interrupt.
7663 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
7664             Steven Bosscher  <stevenb.gcc@gmail.com>
7666         PR rtl-optimization/26854
7667         PR rtl-optimization/34400
7668         * df-problems.c (df_live_scratch): New scratch bitmap.
7669         (df_live_alloc): Allocate df_live_scratch when doing df_live.
7670         (df_live_reset): Clear the proper bitmaps.
7671         (df_live_bb_local_compute): Only process the artificial defs once
7672         since the order is not important.
7673         (df_live_init): Init the df_live sets only with the variables
7674         found live by df_lr.
7675         (df_live_transfer_function): Use the df_lr sets to prune the
7676         df_live sets as they are being computed.  
7677         (df_live_free): Free df_live_scratch.
7679 2008-01-18  Ian Lance Taylor  <iant@google.com>
7681         * common.opt: Add fmerge-debug-strings.
7682         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7683         flag_merge_debug_strings rather than flag_merge_constants.
7684         * doc/invoke.texi (Option Summary): Mention
7685         -fmerge-debug-strings.
7686         (Debugging Options): Document -fmerge-debug-strings.
7688 2008-01-18  Ian Lance Taylor  <iant@google.com>
7690         PR c++/33407
7691         * tree.h (DECL_IS_OPERATOR_NEW): Define.
7692         (struct tree_function_decl): Add new field operator_new_flag.
7693         * tree-inline.c (expand_call_inline): When inlining a call to
7694         operator new, force the return value to go into a variable, and
7695         set DECL_NO_TBAA_P on that variable.
7696         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7698 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
7700         PR debug/34484
7701         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7702         DWARF2_DEBUGGING_INFO.
7703         (dwarf2out_note_section_used): Ditto.  Add prototype.
7704         (have_multiple_function_sections, text_section_used,
7705         cold_text_section_used, *cold_text_sections): Move declarations
7706         before their uses.
7708 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
7710         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7711         field and add signal_ra.
7712         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7713         assignments to frame state pc.  Move end of stack check after
7714         MD_FALLBACK_FRAME_STATE_FOR.
7715         (uw_update_context_1): Use frame state signal_regs if set, instead
7716         of checking signal_frame flag.
7717         (uw_update_context): Use frame state signal_ra if set.
7718         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7719         * config/xtensa/linux-unwind.h: New file.
7721 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
7723         * modulo-sched.c (get_sched_window): Fix comment typo.
7725 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
7727         PR tree-optimization/34648
7728         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7730 2008-01-17  Anatoly Sokolov <aesok@post.ru>
7732         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7733         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7735 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
7737         PR rtl-optimization/34400
7738         * df-core.c (df_worklist_dataflow_overeager,
7739         df_worklist_dataflow_doublequeue): New functions.
7740         (df_worklist_dataflow): Two different worklist solvers.
7741         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7742         New param.
7744 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7746         PR testsuite/34821
7747         * doc/invoke.texi: Document the dependence on pthread for fopenmp
7748         and ftree-parallelize-loops.
7750 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
7752         PR rtl-optimization/34826
7753         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7755 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7757         * global.c (find_reg): Mark the eh regs as used if necessary.
7758         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7759         * ra.h (struct allocno): no_eh_reg field added.  Changed
7760         no_stack_reg type to bitfield.
7762 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
7764         * tree.c (substitute_in_expr): Add missing 'break'.
7766 2008-01-17  Richard Guenther  <rguenther@suse.de>
7768         PR tree-optimization/34825
7769         * tree-ssa-math-opts.c (is_division_by): Do not recognize
7770         x / x as division to handle.
7772 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7774         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7775         "-pthread" is specified.
7776         * pa-hpux11.h (LIB_SPEC): Likewise.
7778 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
7779             Peter Bergner  <bergner@vnet.ibm.com>
7781         PR rtl-optimization/33796
7782         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7784 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7786         PR libgfortran/34699
7787         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7788         static links.
7789         * pa-hpux10.h (LINK_SPEC): Likewise.
7790         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7792 2008-01-16  Richard Guenther  <rguenther@suse.de>
7794         PR middle-end/32628
7795         * fold-const.c (fold_convert_const_int_from_int): Do not
7796         set overflow if that occured only because of a sign extension
7797         change when converting from/to a sizetype with the same
7798         precision and signedness.
7800 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
7802         PR debug/34249
7803         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7804         location address to the correct place.  Update copyright year.
7806 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7808         * lambda-code.c (lambda_transform_legal_p): Handle the case of
7809         no dependences in the dependence_relations vector.
7811 2008-01-16  Jan Hubicka  <jh@suse.cz>
7813         PR rtl-optimization/31396
7814         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7815         * cfg.c (dump_reg_info): Print it.
7816         * regs.h (struct reg_info_t): add freq_calls_crossed.
7817         (REG_FREQ_CALLS_CROSSED): New macro.
7818         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7819         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7820         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7821         regmove_optimize): Update call crossed frequencies.
7822         * local-alloc.c (struct qty): Add freq_calls_crossed.
7823         (alloc_qty): Copute freq_calls_crossed.
7824         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7825         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7826         * ra.h (struct allocno): Add freq_calls_crossed.
7828 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7830         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7831         libgomp when compiling with ftree-parallelize-loops.
7832         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7834 2008-01-16  Richard Guenther  <rguenther@suse.de>
7836         PR tree-optimization/34769
7837         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7838         * tree.c (int_cst_value): Instead make this function more
7839         permissive in what it accepts as valid input.  Document this
7840         function always sign-extends the value.
7842 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
7843             Richard Guenther  <rguenther@suse.de>
7845         PR c/34668
7846         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7847         (gimple_fold_indirect_ref_rhs): ... this.
7848         (gimple_fold_indirect_ref): New function with foldings
7849         that preserve lvalueness.
7850         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7851         * tree-flow.h (gimple_fold_indirect_ref): Declare.
7852         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7853         to fold an INDIRECT_REF, fall back to the old use of
7854         fold_indirect_ref_1.
7856 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
7858         * tree-data-ref.c (subscript_dependence_tester_1): Call 
7859         free_conflict_function.
7860         (compute_self_dependence): Same.
7862 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
7864         PR debug/34249
7865         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7866         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
7867         function global.
7868         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7869         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7870         for DWARF2_UNWIND_INFO targets.
7872 2008-01-16  Richard Guenther  <rguenther@suse.de>
7874         PR c/34768
7875         * c-typeck.c (common_pointer_type): Do not merge inconsistent
7876         type qualifiers for function types.
7878 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
7880         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7881         loop_iterator li from previous commit.
7883 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
7885         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7887 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
7889         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7890         (parallelize_loops): Don't parallelize irreducible components.
7892 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7894         PR c++/24924
7895         * c-opts (c_common_post_options): Do not enable CPP
7896         flag_pedantic_errors by default.
7897         
7898 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
7900         PR rtl-optimization/31944
7901         * cse.c (remove_pseudo_from_table): New function.
7902         (merge_equiv_classes): Use above function to remove pseudo-registers.
7903         (invalidate): Likewise.
7905 2008-01-13  Richard Guenther  <rguenther@suse.de>
7907         PR middle-end/34601
7908         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7909         instead of TYPE_MODE to deal with calls from expand_one_error_var.
7911 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
7913         * gcse.c (cprop_jump): Call validate_unshare_change instead of
7914         validate_change to unshare the source of the PC set.
7916 2008-01-12  Jan Hubicka  <jh@suse.cz>
7918         PR middle-end/32135
7919         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7920         references above array bounds.  This might trigger bounds checks for
7921         pointers to arrays.
7923 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
7925         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7926         new_replaceable_dependencies.
7928 2008-01-12  Doug Kwan  <dougkwan@google.com>
7930         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7931         instead of OPT_Wreturn_type in warning due to ignored return type
7932         qualifiers.
7933         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7934         options included in -Wextra.
7935         * c.opt: New option -Wignored_qualifiers.
7936         * doc/invoke.texi (Warning Options, -Wextra): Add new option
7937         -Wignore_qualifiers.
7938         (-Wignored-qualifiers): Document.
7939         (-Wreturn-type): Remove description of functionality now handled
7940         by -Wignored-qualifiers.
7942 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
7944         PR ada/33788
7945         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7946         NOP_EXPR if it is between integral types with the same precision.
7948 2008-01-12  Jan Hubicka  <jh@suse.cz>
7950         PR other/28023
7951         * invoke.texi (max-inline-recursive-depth): Fix default value.
7953 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
7955         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7956         correct type.
7958 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
7959         
7960         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7961         
7962 2008-01-11  James E. Wilson  <wilson@specifix.com>
7964         PR target/26015
7965         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7967 2008-01-11  Anatoly Sokolov <aesok@post.ru>
7969         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
7970         save/restore frame pointer register and don't use 'call-prologues' 
7971         optimization in function with "OS_task" attribute.
7973 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
7975         PR middle-end/31309
7976         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7977         when copying to memory.
7979 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
7981         PR rtl-optimization/30905
7982         * cfgcleanup.c: Include dce.h
7983         (crossjumps_occured): New global variable.
7984         (try_crossjump_bb): Exit loop after finding a fallthru edge.
7985         If something changed, set crossjumps_occured to true.
7986         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7987         Don't add/remove fake edges to exit here...
7988         (cleanup_cfg): ...but do it here, when crossjumping.
7989         Run a fast DCE when successful crossjumps occured in the latest
7990         iteration of try_optimize_cfg.
7992 2008-01-11  Richard Guenther  <rguenther@suse.de>
7994         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7995         (struct vn_unary_op_s): Likewise.
7996         (vn_reference_insert): Free old reference on hash collision.
7998 2008-01-10  Raksit Ashok  <raksit@google.com>
8000         PR rtl-optimization/27971
8001         * combine.c (find_split_point): Split PLUS expressions which are
8002         inside a MEM rtx, and whose first operand is complex.
8004 2008-01-10  DJ Delorie  <dj@redhat.com>
8006         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
8007         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
8008         (m32c_hard_regno_ok): Call the underlying function.
8010 2008-01-10  Richard Guenther  <rguenther@suse.de>
8012         PR middle-end/34683
8013         * tree-cfg.c (tree_merge_blocks): Do not go through the
8014         full-blown folding and stmt updating path if we just deal
8015         with virtual operands.
8016         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
8017         test for abnormal SSA_NAMEs.
8019 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
8021         PR middle-end/34641
8022         * reload.c (push_reload): Add assertions.  All constants from
8023         reg_equiv_constant should have been used for replacing the respective
8024         pseudo earlier.
8025         (find_reloads_address): Invoke find_reloads_address_part for
8026         constant taken from the reg_equiv_constant array.
8028 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
8030         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
8031         field (valnum) the first in the struct.  Replace bools with
8032         unit bit fields.
8034 2008-01-10  Richard Guenther  <rguenther@suse.de>
8036         PR tree-optimization/34651
8037         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
8038         types and ordering for masking and converting.
8040 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
8042         PR tree-optimization/34017
8043         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
8044         also for PHI_NODE expressions.
8046 2008-01-09  Jan Hubicka  <jh@suse.cz>
8048         PR tree-optimization/34708
8049         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
8050         based on number of case labels.
8051         (init_inline_once): Remove switch_cost.
8052         * tree-inline.h (eni_weights_d): Remove switch_cost.
8054 2008-01-09  Richard Guenther  <rguenther@suse.de>
8055         Andrew Pinski  <andrew_pinski@playstation.sony.com>
8057         PR middle-end/30132
8058         * gimplify.c (gimplify_cond_expr): Do not create an addressable
8059         temporary if an rvalue is ok or an lvalue is not required.
8061 2008-01-09  Richard Guenther  <rguenther@suse.de>
8063         PR middle-end/34458
8064         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
8065         adjust return type.
8067 2008-01-09  Richard Guenther  <rguenther@suse.de>
8069         PR middle-end/34679
8070         * tree.c (host_integerp): Check for sizetype only if the
8071         type is an integer type.
8073 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
8075         PR debug/26364
8076         * opts.c (decode_options): Disable inlining of functions called
8077         once if not in unit-at-a-time mode.
8079 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
8081         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
8083 2008-01-08  Richard Guenther  <rguenther@suse.de>
8085         PR middle-end/31863
8086         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
8087         out early if the result will be unused.
8089 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
8091         PR target/34709
8092         Revert:
8094         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
8095         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8096         for TARGET_RECIP.       
8097         
8098 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
8099         
8100         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
8101         for vectorization tuned.
8102         
8103 2008-01-08  Richard Guenther  <rguenther@suse.de>
8105         PR tree-optimization/34683
8106         * tree-ssa-operands.c (operand_build_cmp): Export.
8107         * tree-ssa-operands.h (operand_build_cmp): Declare.
8108         * tree-vn.c (vuses_compare): Remove.
8109         (sort_vuses): Use operand_build_cmp.
8110         (sort_vuses_heap): Likewise.
8111         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
8112         to re-use old VEC if available.  Do not sort already sorted VUSEs.
8113         (vdefs_to_vec): Do not sort already sorted VDEFs.
8115 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
8117         PR middle-end/34694
8118         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
8120 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
8122         PR target/34702
8123         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
8124         limitations of reciprocal sequences on x86 targets.
8126 2008-01-08  Richard Guenther  <rguenther@suse.de>
8128         PR tree-optimization/34683
8129         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
8131 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
8133         PR target/34622
8134         * config/darwin.c (darwin_mergeable_string_section): Don't use
8135         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
8137 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
8139         PR target/34682
8140         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
8141         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
8142         predicates of op0 and op1 to register_operand.
8143         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
8144         expander using X87MODEF mode iterator.  Change predicates of
8145         op0 and op1 to register_operand.
8146         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
8147         corresponding patterns and macroize using MODEF macro.  Change
8148         predicates of op0 and op1 to register_operand and remove
8149         "m" constraint. Disparage "r" alternative with "!".
8150         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
8151         macroize using X87MODEF macro.  Change predicates of op0 and op1
8152         to register_operand and remove "m" constraint.  Disparage "r"
8153         alternative with "!".
8154         (absneg splitter with memory operands): Remove.
8155         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
8156         patterns and macroize using X87MODEF mode iterator.
8157         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
8158         Change predicate of op1 to register_operand.
8159         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
8160         for memory operands.
8162 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
8164         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
8166 2008-01-07  Richard Guenther  <rguenther@suse.de>
8168         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
8169         fields.
8171 2008-01-07  Richard Guenther  <rguenther@suse.de>
8173         PR tree-optimization/34683
8174         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
8175         VOPs of the needed size to save memory.  Use VEC_quick_push
8176         to save compile-time.
8177         (vdefs_to_vec): Likewise.
8179 2008-01-07  Sa Liu  <saliu@de.ibm.com>
8181         * config/spu/spu.md (divdf3): Genetate inline code for double
8182         division.  The implementation doesn't handle INF or NAN, therefore it
8183         only applies when -ffinite-math-only is given.
8185 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
8187         PR libstdc++/34680
8188         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
8189         * doc/cpp.texi ([Common Predefined Macros]): Document.
8191 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
8193         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
8194         order to use commutative addition instead of subtraction.
8196 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8197             Mircea Namolaru  <namolaru@il.ibm.com>
8198             Vladimir Yanovsky  <yanov@il.ibm.com>
8199             Revital Eres  <eres@il.ibm.com>
8201         PR tree-optimization/34263
8202         * tree-outof-ssa.c (process_single_block_loop_latch,
8203         contains_tree_r): New functions.
8204         (analyze_edges_for_bb): Call process_single_block_loop_latch
8205         function to empty single-basic-block latch block if possible.
8207 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
8209         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
8210         for TARGET_RECIP.
8211         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
8213 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
8215         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
8217 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
8219         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
8221 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
8223         PR tree-optimization/34618
8224         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
8225         flag from T.
8227 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
8229         PR target/34673
8230         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
8231         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
8232         Update copyright year.
8234         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
8235         Update copyright year.
8236         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
8237         using NR fixup.
8239 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
8241         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
8242         edge does not point to current bb before changing need_assert.
8244 2008-01-04  Richard Guenther  <rguenther@suse.de>
8246         PR middle-end/34029
8247         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
8248         for verifying purposes if they are is_gimple_min_invariant.
8250 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
8252         PR tree-optimization/34448
8253         PR tree-optimization/34465
8254         * gimplify.c (gimplify_init_constructor): Add new parameter
8255         notify_temp_creation.  Use it.
8256         (gimplify_modify_expr_rhs): Take volatiles into account when
8257         optimizing constructors.
8258         Do not optimize constructors if gimplify_init_constructor will dump to
8259         memory.
8260         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
8261         * gcc.c-torture/compile/pr34448.c: New.
8263 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
8265         PR gcov-profile/34609
8266         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
8267         return_slot if result is TREE_ADDRESSABLE.
8269 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
8271         * config/mips/mips.md (sqrt_condition): Tweak comment.
8272         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
8274 2008-01-03  Tom Tromey  <tromey@redhat.com>
8276         PR c/34457
8277         * c-common.c (c_type_hash): Handle VLAs.
8279 2008-01-03  Jan Hubicka  <jh@suse.cz>
8281         PR tree-optimization/31081
8282         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
8283         0 when inlining and not inlining to first basic block.
8284         (remap_decl): When var is initialized to 0, don't set default_def.
8285         (expand_call_inline): Set entry_bb.
8286         * tree-inline.h (copy_body_data): Add entry_bb.
8288 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
8290         PR c++/34619
8291         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
8292         before returning.
8294         PR tree-optimization/29484
8295         * tree-inline.c (inline_forbidden_p_2): New function.
8296         (inline_forbidden_p): Disallow inlining if some static var
8297         has an address of a local LABEL_DECL in its initializer.
8298         * doc/extend.texi (Labels as Values): Document &&foo behaviour
8299         vs. inlining.
8301 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
8303         PR tree-optimization/34635
8304         * tree-data-ref.c (add_other_self_distances): Make sure that the
8305         evolution step is constant.
8307 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
8309         PR middle-end/34608
8310         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
8312 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
8314         * tree-sra.c (scalarize_init): Insert the generate_element_init
8315         statements after the generate_element_zero statements.
8317 2008-01-02  Richard Guenther  <rguenther@suse.de>
8319         PR middle-end/34093
8320         PR middle-end/31976
8321         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
8322         for very large number of operands instead of ICEing.
8324 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
8326         PR target/34013
8327         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
8328         while stack probing.
8330 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
8332         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
8333         in C++0x mode.
8335 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
8337         PR libmudflap/26442
8338         * tree-mudflap.c (mx_register_decls): Guard warning by
8339         !DECL_ARTIFICIAL check.
8341 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
8343         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
8344         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
8345         sse5_perm<mode>): Fix constraints.