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2008-08-29 Vladimir Makarov <vmakarov@redhat.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
2
3         PR rtl-opt/37251
4
5         * ira-color.c (push_allocnos_to_stack): Truncate
6         removed_splay_allocno_vec.
7
8 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
9
10         PR rtl-opt/37243
11         * ira-color (ira_fast_allocation): Don't assign hard registers to
12         global allocnos.
13
14 2008-08-29  Jan Hubicka  <jh@suse.cz>
15
16         PR middle-end/37278
17         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
18         for cold internal loops.
19
20 2008-08-29  Richard Guenther  <rguenther@suse.de>
21
22         * tree-ssa-structalias.c (create_variable_info_for): Do not
23         create fields for heap vars or vars with a noalias state.
24         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
25         from ESCAPED.
26
27 2008-08-29  Richard Guenther  <rguenther@suse.de>
28
29         * common.opt (ftree-store-ccp): Mark as preserved for
30         backward compatibility.
31         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
32         * tree-pass.h (pass_store_ccp): Remove.
33         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
34         (first_vdef): Remove declaration.
35         (get_value_loaded_by): Likewise.
36         * tree-ssa-ccp.c (do_store_ccp): Remove.
37         (get_default_value): Simplify as do_store_ccp is always false
38         now.  Do not initialize mem_ref.
39         (set_value_varying): Likewise.
40         (canonicalize_float_value): Likewise.
41         (set_lattice_value): Likewise.
42         (likely_value): Likewise.
43         (surely_varying_stmt_p): Likewise.
44         (ccp_initialize): Likewise.
45         (ccp_lattice_meet): Likewise.
46         (ccp_visit_phi_node): Likewise.
47         (ccp_fold): Likewise.
48         (evaluate_stmt): Likewise.
49         (visit_assignment): Likewise.
50         (ccp_visit_stmt): Likewise.
51         (execute_ssa_ccp): Fold into ...
52         (do_ssa_ccp): ... this.
53         (do_ssa_store_ccp): Remove.
54         (gate_store_ccp): Likewise.
55         (pass_store_ccp): Likewise.
56         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
57         initialize mem_ref.
58         * tree-ssa-propagate.c (first_vdef): Remove.
59         (get_value_loaded_by): Likewise.
60         (replace_vuses_in): Likewise.
61         (substitute_and_fold): Do not call replace_vuses_in.
62         * opts.c (decode_options): Do not set flag_tree_store_ccp.
63
64 2008-08-29  Richard Guenther  <rguenther@suse.de>
65
66         PR middle-end/37236
67         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
68         PARAM_NOALIAS tags with is_heapvar.
69         * tree-ssa-operands.c (access_can_touch_variable): Offset
70         based tests do not apply for heapvars.  Fix offset test.
71
72 2008-08-29  Jan Hubicka  <jh@suse.cz>
73
74         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
75         (-fipa-cp-clone): Enabled by default at -O3.
76         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
77         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
78
79 2008-08-29  Jan Hubicka  <jh@suse.cz>
80
81         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
82         New functions.
83         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
84         Declare.
85         * gimple.c (giple_copy_call_skip_args): New function.
86         (giple_copy_call_skip_args): Declare.
87
88         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
89         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
90         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
91         (ipcp_create_replace_map): Improve debug output.
92         (ipcp_need_redirect_p): Return false when not clonning.
93         (ipcp_update_callgraph): Skip args.
94         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
95         skip args.
96         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
97         (save_inline_function_body): Update call of tree_function_versioning.
98         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
99         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
100         (tree_function_versioning): Likewise.
101         * tree-inline.h (tree_function_versioning): Update prototype.
102
103 2008-08-29  Jan Hubicka  <jh@suse.cz>
104
105         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
106         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
107         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
108         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
109         * value-prof.c (gimple_divmod_fixed_value_transform,
110         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
111         gimple_stringops_transform): Use optimize_bb_for_size_p.
112         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
113         * final.c (compute_alignments): Use optimize_function_for_size_p.
114         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
115         (fold_builtin_strcpy, fold_builtin_fputs): Use
116         optimize_function_for_size_p.
117         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
118         * recog.c (relax_delay_slots): Likewise.
119         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
120         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
121         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
122         optimize_function_for_size_p.
123         (cgraph_decide_inlining_of_small_function): Use
124         optimize_function_for_size_p.
125         * global.c (find_reg): Use optimize_function_for_size_p.
126         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
127         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
128         flag_prefetch_loop_arrays. Those can work it out from profile.
129         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
130         optimize_loop_for_speed_p.
131         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
132         argument.
133         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
134         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
135         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
136         * local-alloc.c (block_alloc): Pass BB pointer.
137         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
138         * gcse.c (gcse_main): Use optimize_function_for_size_p.
139         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
140         (decide_peel_completely): Likewise.
141         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
142         optimize_loop_for_size_p.
143         (vect_enhance_data_refs_alignment): Likewise.
144         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
145         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
146         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
147         (try_crossjump_bb): Use optimize_bb_for_size_p.
148         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
149         optimize_loop_for_speed_p.
150         * bb-reorder.c (find_traces_1_round): Likewise.
151         (copy_bb): Use optimize_bb_for_speed_p.
152         (duplicate_computed_gotos): Likewise.
153         * basic-block.h (optimize_loop_nest_for_size_p,
154         optimize_loop_nest_for_speed_p): New.
155         * stmt.c (expand_case): Use optimize_insn_for_size_p.
156
157 2008-08-29  Tristan Gingold  <gingold@adacore.com>
158
159         * gcov.c (main): Call expandargv.
160
161 2008-08-29  Jan Hubicka  <jh@suse.cz>
162
163         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
164         is not cold.
165         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
166         Constify arguments.
167         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
168         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
169         Constify.
170         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
171
172 2008-08-29  Jan Hubicka  <jh@suse.cz>
173
174         * tree-pass.h (pass_strip_predict_hints): Declare.
175         * predict.c (strip_builtin_expect): Rename to ...
176         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
177         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
178         (tree_estimate_probability): Do not strip builtin_expect.
179         (pass_strip_predict_hints): New pass.
180         * tree-inline.c (expand_call_inline): When inlining cold function, predict
181         it as unlikely.
182         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
183
184 2008-08-29  Richard Guenther  <rguenther@suse.de>
185
186         PR tree-optimization/37207
187         * tree-vrp.c (extract_range_from_binary_expr): Also try
188         to constant fold if only one of the operands is a constant.
189
190 2008-08-29  Nick Clifton  <nickc@redhat.com>
191
192         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
193         the same way as SYMBOL_REFs.
194
195 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
196
197         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
198
199 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
200
201         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
202         * config/mips/mips.md (branch_likely): Remove const.  Fix
203         comment formatting.
204         (define_delay for type "branch"): Change to only apply for branch
205         with likely variant.
206         (define_delay for type "branch" and "branch_likely" no).  New delay
207         definition.
208         (equality_op): New code iterator.
209         (bbv, bbinv): New code attributes.
210         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
211         patterns.
212
213 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
214             Andrew Pinski  <pinskia@gcc.gnu.org>
215
216         PR 18050
217         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
218
219 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
220
221         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
222         rule that a symbolic constant must be defined and >= 0 for the
223         corresponding facility to be present at compile-time.
224         * gthr-posix.c: Likewise.
225
226 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
227
228         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
229         * config/mips/mips.md (D): New mode attribute.
230         (mulsi3, muldi3): Merge it into ...
231         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
232         patterns.
233         (muldi3_mul3): New pattern.
234         (mulsi3_mult3): Rename to mulsi3_mul3.
235
236 2008-08-28  Jan Hubicka  <jh@suse.cz>
237
238         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
239         to fail.
240         * predict.c (always_optimize_for_size_p): Rename to ...
241         (optimize_function_for_size): ... this one; make extern.
242         (optimize_function_for_speed_p): New.
243         (optimize_bb_for_size_p, optimize_bb_for_size_p,
244         optimize_edge_for_size_p,optimize_edge_for_size_p,
245         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
246         * basic-block.h (optimize_function_for_size_p,
247         optimize_function_for_speed_p): Declare.
248         * i386.md (optimize_size checks): Replace them by appropriate
249         predicate.
250         (standard_80387_constant_p, ix86_compute_frame_layout,
251         ix86_expand_epilogue, ix86_decompose_address,
252         print_operand, emit_i387_cw_initialization,
253         inline_memory_move_cost, ix86_pad_returns,
254         ix86_reorg): Replace optimize_size checks.
255
256 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
257
258         * rtl.h (simplify_subreg_regno): Declare.
259         * rtlanal.c (simplify_subreg_regno): New function, split out from...
260         * simplify-rtx.c (simplify_subreg): ...here.
261         * reload.c (find_reloads): Use simplify_subreg_regno instead of
262         subreg_offset_representable_p.
263
264 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
265
266         PR c/30949
267         * c-typeck.c (convert_for_assignment): Give a note describing what
268         was passed and what was expected.
269
270 2008-08-28  Joey Ye  <joey.ye@intel.com>
271
272         * doc/extend.texi: Document AVX built-in functions.
273         * doc/invoke.texi: Document -mavx.
274
275 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
276             Joey Ye  <joey.ye@intel.com>
277             Xuepeng Guo  <xuepeng.guo@intel.com>
278
279         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
280
281         * config/i386/cpuid.h (bit_FMA): New.
282         (bit_XSAVE): Likewise.
283         (bit_OSXSAVE): Likewise.
284         (bit_AVX): Likewise.
285
286         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
287         define.  Use ASM_OUTPUT_AVX_PREFIX.
288
289         * config/i386/gmmintrin.h: New.
290
291         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
292         (OPTION_MASK_ISA_AVX_SET): New.
293         (OPTION_MASK_ISA_FMA_SET): Likewise.
294         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
295         (OPTION_MASK_ISA_FMA_SET): Likewise.
296         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
297         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
298         (pta_flags): Add PTA_AVX and PTA_FMA.
299         (override_options): Handle PTA_AVX and PTA_FMA.
300         (init_cumulative_args): Handle warn_avx.
301         (classify_argument): Return 0 for COImode and OImode.  Return
302         1 and X86_64_AVX_CLASS for 256bit vector types.
303         (examine_argument): Handle X86_64_AVX_CLASS.
304         (construct_container): Likewise.
305         (function_arg_advance_32): Pass OImode and 256bit vector types
306         in AVX register.
307         (function_arg_advance_64): Take a new argument to indicate if a
308         parameter is named.  Handle 256bit vector types.  Return
309         immediately for unnamed 256bit vector mode parameters.
310         (function_arg_advance): Updated.
311         (function_arg_32): Add comments for TImode.  Handle OImode
312         and 256bit vector types.
313         (function_arg_64): Take a new argument to indicate if a
314         parameter is named.  Handle 256bit vector types.  Return NULL
315         for unnamed 256bit vector mode parameters.
316         (function_arg): Updated.
317         (setup_incoming_varargs_64): Support
318         AVX encoding for *sse_prologue_save_insn.
319         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
320         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
321         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
322         enabled, otherwise return -3.
323         (standard_sse_constant_opcode): Handle AVX and 256bit vector
324         modes.
325         (print_reg): Support AVX registers.  Handle 'x' and 't'.
326         Handle 'd' to duplicate the operand.
327         (print_operand): Likewise.  Also support AVX vector compare
328         instructions.
329         (output_387_binary_op): Support AVX.
330         (output_fp_compare): Likewise.
331         (ix86_expand_vector_move_misalign): Likewise.
332         (ix86_attr_length_vex_default): New.
333         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
334         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
335         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
336         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
337         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
338         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
339         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
340         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
341         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
342         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
343         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
344         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
345         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
346         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
347         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
348         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
349         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
350         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
351         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
352         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
353         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
354         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
355         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
356         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
357         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
358         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
359         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
360         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
361         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
362         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
363         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
364         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
365         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
366         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
367         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
368         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
369         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
370         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
371         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
372         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
373         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
374         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
375         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
376         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
377         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
378         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
379         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
380         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
381         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
382         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
383         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
384         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
385         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
386         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
387         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
388         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
389         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
390         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
391         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
392         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
393         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
394         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
395         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
396         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
397         and IX86_BUILTIN_MOVMSKPS256,
398         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
399         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
400         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
401         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
402         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
403         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
404         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
405         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
406         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
407         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
408         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
409         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
410         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
411         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
412         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
413         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
414         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
415         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
416         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
417         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
418         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
419         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
420         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
421         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
422         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
423         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
424         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
425         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
426         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
427         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
428         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
429         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
430         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
431         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
432         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
433         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
434         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
435         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
436         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
437         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
438         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
439         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
440         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
441         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
442         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
443         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
444         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
445         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
446         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
447         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
448         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
449         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
450         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
451         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
452         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
453         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
454         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
455         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
456         IX86_BUILTIN_CMPPS,
457         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
458         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
459         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
460         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
461         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
462         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
463         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
464         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
465         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
466         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
467         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
468         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
469         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
470         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
471         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
472         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
473         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
474         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
475         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
476         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
477         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
478         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
479         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
480         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
481         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
482         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
483         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
484         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
485         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
486         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
487         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
488         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
489         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
490         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
491         IX86_BUILTIN_MOVMSKPS256.
492         (ix86_init_mmx_sse_builtins): Support AVX builtins.
493         (ix86_expand_args_builtin): Likewise.
494         (ix86_expand_special_args_builtin): Likewise.
495         (ix86_hard_regno_mode_ok): Handle AVX modes.
496         (ix86_expand_vector_init_duplicate): Likewise.
497         (ix86_expand_vector_init_one_nonzero): Likewise.
498         (ix86_expand_vector_init_one_var): Likewise.
499         (ix86_expand_vector_init_concat): Likewise.
500         (ix86_expand_vector_init_general): Likewise.
501         (ix86_expand_vector_set): Likewise.
502         (ix86_vector_mode_supported_p): Likewise.
503         (x86_extended_reg_mentioned_p): Check INSN_P before using
504         PATTERN.
505
506         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
507         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
508
509         * config/i386/i386.h (TARGET_AVX): New.
510         (TARGET_FMA): Likewise.
511         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
512         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
513         (VALID_AVX256_REG_MODE): New.
514         (AVX256_VEC_FLOAT_MODE_P): Likewise.
515         (AVX_FLOAT_MODE_P): Likewise.
516         (AVX128_VEC_FLOAT_MODE_P): Likewise.
517         (AVX256_VEC_FLOAT_MODE_P): Likewise.
518         (AVX_VEC_FLOAT_MODE_P): Likewise.
519         (ASM_OUTPUT_AVX_PREFIX): Likewise.
520         (ASM_OUTPUT_OPCODE): Likewise.
521         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
522         support.
523         (SSE_REG_MODE_P): Allow 256bit vector modes.
524         (ix86_args): Add a warn_avx field.
525
526         * config/i386/i386.md (UNSPEC_PCMP): New.
527         (UNSPEC_VPERMIL): Likewise.
528         (UNSPEC_VPERMIL2): Likewise.
529         (UNSPEC_VPERMIL2F128): Likewise.
530         (UNSPEC_MASKLOAD): Likewise.
531         (UNSPEC_MASKSTORE): Likewise.
532         (UNSPEC_CAST): Likewise.
533         (UNSPEC_VTESTP): Likewise.
534         (UNSPECV_VZEROALL): Likewise.
535         (UNSPECV_VZEROUPPER): Likewise.
536         (XMM0_REG): Likewise.
537         (XMM1_REG): Likewise.
538         (XMM2_REG): Likewise.
539         (XMM3_REG): Likewise.
540         (XMM4_REG): Likewise.
541         (XMM5_REG): Likewise.
542         (XMM6_REG): Likewise.
543         (XMM8_REG): Likewise.
544         (XMM9_REG): Likewise.
545         (XMM10_REG): Likewise.
546         (XMM11_REG): Likewise.
547         (XMM12_REG): Likewise.
548         (XMM13_REG): Likewise.
549         (XMM14_REG): Likewise.
550         (XMM15_REG): Likewise.
551         (prefix): Likewise.
552         (prefix_vex_imm8): Likewise.
553         (prefix_vex_w): Likewise.
554         (length_vex): Likewise.
555         (maxmin): Likewise.
556         (movoi): Likewise.
557         (*avx_ashlti3): Likewise.
558         (*avx_lshrti3): Likewise.
559         (*avx_setcc<mode>): Likewise.
560         (*fop_<mode>_comm_mixed_avx): Likewise.
561         (*fop_<mode>_comm_avx): Likewise.
562         (*fop_<mode>_1_mixed_avx): Likewise.
563         (*fop_<mode>_1_avx): Likewise.
564         (*avx_<code><mode>3): Likewise.
565         (*avx_ieee_smin<mode>3): Likewise.
566         (*avx_ieee_smax<mode>3): Likewise.
567         (mode): Add OI, V8SF and V4DF.
568         (length): Support VEX prefix.
569         (*cmpfp_i_mixed): Set prefix attribute.
570         (*cmpfp_i_sse): Likewise.
571         (*cmpfp_iu_mixed): Likewise.
572         (*cmpfp_iu_sse): Likewise.
573         (*movsi_1): Support AVX.
574         (*movdi_2): Likewise.
575         (*movdi_1_rex64): Likewise.
576         (*movti_internal): Likewise.
577         (*movti_rex64): Likewise.
578         (*movsf_1): Likewise.
579         (*movdf_nointeger): Likewise.
580         (*movdf_integer_rex64): Likewise.
581         (*movtf_internal): Likewise.
582         (zero_extendsidi2_32): Likewise.
583         (zero_extendsidi2_rex64): Likewise.
584         (*extendsfdf2_mixed): Likewise.
585         (*extendsfdf2_sse): Likewise.
586         (*truncdfsf_fast_mixed): Likewise.
587         (*truncdfsf_fast_sse): Likewise.
588         (*truncdfsf_mixed): Likewise.
589         (fix_trunc<mode>di_sse): Likewise.
590         (fix_trunc<mode>si_sse): Likewise.
591         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
592         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
593         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
594         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
595         (*rcpsf2_sse): Likewise.
596         (*rsqrtsf2_sse): Likewise.
597         (*sqrt<mode>2_sse): Likewise.
598         (sse4_1_round<mode>2): Likewise.
599         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
600         Support AVX.  Set length attribute properly for AVX.
601
602         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
603         (VECTOR_MODES (FLOAT, 32)): Likewise.
604         (VECTOR_MODE (INT, DI, 8)): Likewise.
605         (VECTOR_MODE (INT, HI, 32)): Likewise.
606         (VECTOR_MODE (INT, QI, 64)): Likewise.
607         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
608         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
609         (VECTOR_MODE (INT, DI, 4)): Removed.
610         (VECTOR_MODE (INT, SI, 8)): Likewise.
611         (VECTOR_MODE (INT, HI, 16)): Likewise.
612         (VECTOR_MODE (INT, QI, 32)): Likewise.
613         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
614         (INT_MODE (OI, 32)): Likewise.
615
616         * config/i386/i386.opt (mavx): New.
617         (mfma): Likewise.
618
619         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
620
621         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
622         (*mov<mode>_internal_avx): New.
623         (*movv2sf_internal_rex64_avx): Likewise.
624         (*movv2sf_internal_avx): Likewise.
625
626         * config/i386/predicates.md (const_4_to_5_operand): New.
627         (const_6_to_7_operand): Likewise.
628         (const_8_to_11_operand): Likewise.
629         (const_12_to_15_operand): Likewise.
630         (avx_comparison_float_operator): Likewise.
631
632         * config/i386/sse.md (AVX256MODEI): New.
633         (AVX256MODE): Likewise.
634         (AVXMODEQI): Likewise.
635         (AVXMODE): Likewise.
636         (AVX256MODEF2P): Likewise.
637         (AVX256MODE2P): Likewise.
638         (AVX256MODE4P): Likewise.
639         (AVX256MODE8P): Likewise.
640         (AVXMODEF2P): Likewise.
641         (AVXMODEF4P): Likewise.
642         (AVXMODEDCVTDQ2PS): Likewise.
643         (AVXMODEDCVTPS2DQ): Likewise.
644         (avxvecmode): Likewise.
645         (avxvecpsmode): Likewise.
646         (avxhalfvecmode): Likewise.
647         (avxscalarmode): Likewise.
648         (avxcvtvecmode): Likewise.
649         (avxpermvecmode): Likewise.
650         (avxmodesuffixf2c): Likewise.
651         (avxmodesuffixp): Likewise.
652         (avxmodesuffixs): Likewise.
653         (avxmodesuffix): Likewise.
654         (vpermilbits): Likewise.
655         (pinsrbits): Likewise.
656         (mov<mode>): Likewise.
657         (*mov<mode>_internal): Likewise.
658         (push<mode>1): Likewise.
659         (movmisalign<mode>): Likewise.
660         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
661         (avx_movdqu<avxmodesuffix>): Likewise.
662         (avx_lddqu<avxmodesuffix>): Likewise.
663         (<plusminus_insn><mode>3): Likewise.
664         (*avx_<plusminus_insn><mode>3): Likewise.
665         (*avx_vm<plusminus_insn><mode>3): Likewise.
666         (mul<mode>3): Likewise.
667         (*avx_mul<mode>3): Likewise.
668         (*avx_vmmul<mode>3): Likewise.
669         (divv8sf3): Likewise.
670         (divv4df3): Likewise.
671         (avx_div<mode>3): Likewise.
672         (*avx_div<mode>3): Likewise.
673         (*avx_vmdiv<mode>3): Likewise.
674         (avx_rcpv8sf2): Likewise.
675         (*avx_vmrcpv4sf2): Likewise.
676         (sqrtv8sf2): Likewise.
677         (avx_sqrtv8sf2): Likewise.
678         (*avx_vmsqrt<mode>2): Likewise.
679         (rsqrtv8sf2): Likewise.
680         (avx_rsqrtv8sf2): Likewise.
681         (*avx_vmrsqrtv4sf2): Likewise.
682         (<code><mode>3): Likewise.
683         (*avx_<code><mode>3_finite): Likewise.
684         (*avx_<code><mode>3): Likewise.
685         (*avx_vm<code><mode>3): Likewise.
686         (*avx_ieee_smin<mode>3): Likewise.
687         (*avx_ieee_smax<mode>3): Likewise.
688         (avx_addsubv8sf3): Likewise.
689         (avx_addsubv4df3): Likewise.
690         (*avx_addsubv4sf3): Likewise.
691         (*avx_addsubv2df3): Likewise.
692         (avx_h<plusminus_insn>v4df3): Likewise.
693         (avx_h<plusminus_insn>v8sf3): Likewise.
694         (*avx_h<plusminus_insn>v4sf3): Likewise.
695         (*avx_h<plusminus_insn>v2df3): Likewise.
696         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
697         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
698         (*avx_maskcmp<mode>3): Likewise.
699         (avx_nand<mode>3): Likewise.
700         (*avx_<code><mode>3): Likewise.
701         (*avx_nand<mode>3): Likewise.
702         (*avx_<code><mode>3): Likewise.
703         (*avx_cvtsi2ss): Likewise.
704         (*avx_cvtsi2ssq): Likewise.
705         (*avx_cvtsi2sd): Likewise.
706         (*avx_cvtsi2sdq): Likewise.
707         (*avx_cvtsd2ss): Likewise.
708         (avx_cvtss2sd): Likewise.
709         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
710         (avx_cvtps2dq<avxmodesuffix>): Likewise.
711         (avx_cvttps2dq<avxmodesuffix>): Likewise.
712         (*avx_cvtsi2sd): Likewise.
713         (*avx_cvtsi2sdq): Likewise.
714         (avx_cvtdq2pd256): Likewise.
715         (avx_cvtpd2dq256): Likewise.
716         (avx_cvttpd2dq256): Likewise.
717         (*avx_cvtsd2ss): Likewise.
718         (*avx_cvtss2sd): Likewise.
719         (avx_cvtpd2ps256): Likewise.
720         (avx_cvtps2pd256): Likewise.
721         (*avx_movhlps): Likewise.
722         (*avx_movlhps): Likewise.
723         (avx_unpckhps256): Likewise.
724         (*avx_unpckhps): Likewise.
725         (avx_unpcklps256): Likewise.
726         (*avx_unpcklps): Likewise.
727         (avx_movshdup256): Likewise.
728         (avx_movsldup256): Likewise.
729         (avx_shufps256): Likewise.
730         (avx_shufps256_1): Likewise.
731         (*avx_shufps_<mode>): Likewise.
732         (*avx_loadhps): Likewise.
733         (*avx_storelps): Likewise.
734         (*avx_loadlps): Likewise.
735         (*avx_movss): Likewise.
736         (*vec_dupv4sf_avx): Likewise.
737         (*vec_concatv2sf_avx): Likewise.
738         (*vec_concatv4sf_avx): Likewise.
739         (*vec_setv4sf_0_avx): Likewise.
740         (*vec_setv4sf_avx): Likewise.
741         (*avx_insertps): Likewise.
742         (avx_vextractf128<mode>): Likewise.
743         (vec_extract_lo_<mode>): Likewise.
744         (vec_extract_hi_<mode>): Likewise.
745         (vec_extract_lo_<mode>): Likewise.
746         (vec_extract_hi_<mode>): Likewise.
747         (vec_extract_lo_v16hi): Likewise.
748         (vec_extract_hi_v16hi): Likewise.
749         (vec_extract_lo_v32qi): Likewise.
750         (vec_extract_hi_v32qi): Likewise.
751         (avx_unpckhpd256): Likewise.
752         (*avx_unpckhpd): Likewise.
753         (avx_movddup256): Likewise.
754         (*avx_movddup): Likewise.
755         (avx_unpcklpd256): Likewise.
756         (*avx_unpcklpd): Likewise.
757         (avx_shufpd256): Likewise.
758         (avx_shufpd256_1): Likewise.
759         (*avx_punpckhqdq): Likewise.
760         (*avx_punpcklqdq): Likewise.
761         (*avx_shufpd_<mode>): Likewise.
762         (*avx_storehpd): Likewise.
763         (*avx_loadhpd): Likewise.
764         (*avx_loadlpd): Likewise.
765         (*avx_movsd): Likewise.
766         (*vec_concatv2df_avx): Likewise.
767         (*avx_<plusminus_insn><mode>3): Likewise.
768         (*avx_<plusminus_insn><mode>3): Likewise.
769         (*avx_mulv8hi3): Likewise.
770         (*avxv8hi3_highpart): Likewise.
771         (*avx_umulv8hi3_highpart): Likewise.
772         (*avx_umulv2siv2di3): Likewise.
773         (*avx_mulv2siv2di3): Likewise.
774         (*avx_pmaddwd): Likewise.
775         (*avx_mulv4si3): Likewise.
776         (*avx_ashr<mode>3): Likewise.
777         (*avx_lshr<mode>3): Likewise.
778         (*avx_ashl<mode>3): Likewise.
779         (*avx_<code><mode>3): Likewise.
780         (*avx_eq<mode>3): Likewise.
781         (*avx_gt<mode>3): Likewise.
782         (*avx_nand<mode>3): Likewise.
783         (*avx_nand<mode>3): Likewise.
784         (*avx_<code><mode>3): Likewise.
785         (*avx_<code><mode>3): Likewise.
786         (*avx_packsswb): Likewise.
787         (*avx_packssdw): Likewise.
788         (*avx_packuswb): Likewise.
789         (*avx_punpckhbw): Likewise.
790         (*avx_punpcklbw): Likewise.
791         (*avx_punpckhwd): Likewise.
792         (*avx_punpcklwd): Likewise.
793         (*avx_punpckhdq): Likewise.
794         (*avx_punpckldq): Likewise.
795         (*avx_pinsr<avxmodesuffixs>): Likewise.
796         (*avx_pinsrq): Likewise.
797         (*avx_loadld): Likewise.
798         (*vec_extractv2di_1_rex64_avx): Likewise.
799         (*vec_extractv2di_1_avx): Likewise.
800         (*vec_dupv2di_avx): Likewise.
801         (*vec_concatv2si_avx): Likewise.
802         (*vec_concatv4si_1_avx): Likewise.
803         (*vec_concatv2di_avx): Likewise.
804         (*vec_concatv2di_rex64_avx): Likewise.
805         (*avx_uavgv16qi3): Likewise.
806         (*avx_uavgv8hi3): Likewise.
807         (*avx_psadbw): Likewise.
808         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
809         (*avx_phaddwv8hi3): Likewise.
810         (*avx_phadddv4si3): Likewise.
811         (*avx_phaddswv8hi3): Likewise.
812         (*avx_phsubwv8hi3): Likewise.
813         (*avx_phsubdv4si3): Likewise.
814         (*avx_phsubswv8hi3): Likewise.
815         (*avx_pmaddubsw128): Likewise.
816         (*avx_pmulhrswv8hi3): Likewise.
817         (*avx_pshufbv16qi3): Likewise.
818         (*avx_psign<mode>3): Likewise.
819         (*avx_palignrti): Likewise.
820         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
821         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
822         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
823         (*avx_mpsadbw): Likewise.
824         (*avx_packusdw): Likewise.
825         (*avx_pblendvb): Likewise.
826         (*avx_pblendw): Likewise.
827         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
828         (avx_ptest256): Likewise.
829         (avx_roundp<avxmodesuffixf2c>256): Likewise.
830         (*avx_rounds<ssemodesuffixf2c>): Likewise.
831         (*avx_aesenc): Likewise.
832         (*avx_aesenclast): Likewise.
833         (*avx_aesdec): Likewise.
834         (*avx_aesdeclast): Likewise.
835         (avx_vzeroupper): Likewise.
836         (avx_vzeroupper_rex64): Likewise.
837         (avx_vpermil<mode>): Likewise.
838         (avx_vpermilvar<mode>3): Likewise.
839         (avx_vpermil2<mode>3): Likewise.
840         (avx_vperm2f128<mode>3): Likewise.
841         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
842         (avx_vbroadcastss256): Likewise.
843         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
844         (avx_vinsertf128<mode>): Likewise.
845         (vec_set_lo_<mode>): Likewise.
846         (vec_set_hi_<mode>): Likewise.
847         (vec_set_lo_<mode>): Likewise.
848         (vec_set_hi_<mode>): Likewise.
849         (vec_set_lo_v16hi): Likewise.
850         (vec_set_hi_v16hi): Likewise.
851         (vec_set_lo_v32qi): Likewise.
852         (vec_set_hi_v32qi): Likewise.
853         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
854         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
855         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
856         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
857         (vec_init<mode>): Likewise.
858         (*vec_concat<mode>_avx): Likewise.
859         (blendbits): Support V8SF and V4DF.
860         (sse2_movq128): Support AVX.
861         (<sse>_movnt<mode>): Likewise.
862         (sse2_movntv2di): Likewise.
863         (sse_rcpv4sf2): Likewise.
864         (sse_sqrtv4sf2): Likewise.
865         (sse_rsqrtv4sf2): Likewise.
866         (<sse>_comi): Likewise.
867         (<sse>_ucomi): Likewise.
868         (sse_cvtss2si): Likewise.
869         (sse_cvtss2si_2): Likewise.
870         (sse_cvtss2siq): Likewise.
871         (sse_cvtss2siq_2): Likewise.
872         (sse_cvttss2si): Likewise.
873         (sse_cvttss2siq): Likewise.
874         (sse2_cvtsd2si): Likewise.
875         (sse2_cvtsd2si_2): Likewise.
876         (sse2_cvtsd2siq): Likewise.
877         (sse2_cvtsd2siq_2): Likewise.
878         (sse2_cvttsd2si): Likewise.
879         (sse2_cvttsd2siq): Likewise.
880         (sse2_cvtdq2pd): Likewise.
881         (*sse2_cvtpd2dq): Likewise.
882         (*sse2_cvttpd2dq): Likewise.
883         (*sse2_cvtpd2ps): Likewise.
884         (sse2_cvtps2pd): Likewise.
885         (sse3_movshdup): Likewise.
886         (sse3_movsldup): Likewise.
887         (sse_storehps): Likewise.
888         (*sse4_1_extractps): Likewise.
889         (sse2_storelpd): Likewise.
890         (vec_dupv2df_sse3): Likewise.
891         (*vec_concatv2df_sse3): Likewise.
892         (*sse4_1_pextrb): Likewise.
893         (*sse4_1_pextrb_memory): Likewise.
894         (*sse2_pextrw): Likewise.
895         (*sse4_1_pextrw_memory): Likewise.
896         (*sse4_1_pextrd): Likewise.
897         (*sse4_1_pextrq): Likewise.
898         (sse2_pshufd_1): Likewise.
899         (sse2_pshuflw_1): Likewise.
900         (sse2_pshufhw_1): Likewise.
901         (*sse2_storeq_rex64): Likewise.
902         (*vec_dupv4si): Likewise.
903         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
904         (sse2_pmovmskb): Likewise.
905         (*sse2_maskmovdqu): Likewise.
906         (*sse2_maskmovdqu_rex64): Likewise.
907         (sse_ldmxcsr): Likewise.
908         (sse_stmxcsr): Likewise.
909         (abs<mode>2): Likewise.
910         (sse4_1_movntdqa): Likewise.
911         (sse4_1_phminposuw): Likewise.
912         (sse4_1_extendv8qiv8hi2): Likewise.
913         (*sse4_1_extendv8qiv8hi2): Likewise.
914         (sse4_1_extendv4qiv4si2): Likewise.
915         (*sse4_1_extendv4qiv4si2): Likewise.
916         (sse4_1_extendv2qiv2di2): Likewise.
917         (*sse4_1_extendv2qiv2di2): Likewise.
918         (sse4_1_extendv4hiv4si2): Likewise.
919         (*sse4_1_extendv4hiv4si2): Likewise.
920         (sse4_1_extendv2hiv2di2): Likewise.
921         (*sse4_1_extendv2hiv2di2): Likewise.
922         (sse4_1_extendv2siv2di2): Likewise.
923         (*sse4_1_extendv2siv2di2): Likewise.
924         (sse4_1_zero_extendv8qiv8hi2): Likewise.
925         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
926         (sse4_1_zero_extendv4qiv4si2): Likewise.
927         (*sse4_1_zero_extendv4qiv4si2): Likewise.
928         (sse4_1_zero_extendv2qiv2di2): Likewise.
929         (*sse4_1_zero_extendv2qiv2di2): Likewise.
930         (sse4_1_zero_extendv4hiv4si2): Likewise.
931         (*sse4_1_zero_extendv4hiv4si2): Likewise.
932         (sse4_1_zero_extendv2hiv2di2): Likewise.
933         (*sse4_1_zero_extendv2hiv2di2): Likewise.
934         (sse4_1_zero_extendv2siv2di2): Likewise.
935         (*sse4_1_zero_extendv2siv2di2): Likewise.
936         (sse4_1_ptest): Likewise.
937         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
938         (sse4_2_pcmpestri): Likewise.
939         (sse4_2_pcmpestrm): Likewise.
940         (sse4_2_pcmpistri): Likewise.
941         (sse4_2_pcmpistrm): Likewise.
942         (aesimc): Likewise.
943         (aeskeygenassist): Likewise.
944
945 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
946
947         * config/i386/predicates.md (vzeroall_operation): New.
948
949         * config/i386/sse.md (avx_vzeroall): New.
950         (*avx_vzeroall): Likewise.
951
952 2008-08-28  Paul Brook  <paul@codesourcery.com>
953             Mark Shinwell  <shinwell@codesourcery.com>
954             Richard Earnshaw  <richard.earnshaw@arm.com>
955
956         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
957         (TARGET_MIN_ANCHOR_OFFSET): New.
958         (arm_override_options): Set correct anchor ranges for Thumb-1
959         and Thumb-2 if required.
960         (legitimize_pic_address): Handle case involving a TLS symbol
961         reference with an addend.
962         (arm_optimization_options): Enable section anchors at -O1 and
963         above.
964         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
965         * config/arm/arm-protos.h (arm_optimization_options): New.
966
967 2008-08-28  Nick Clifton  <nickc@redhat.com>
968
969         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
970         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
971         attribute.
972
973         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
974         * config/v850/v850.md (return): Remove frame size restriction.  
975
976         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
977
978         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
979
980         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
981
982         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
983
984 2008-08-28  Paul Brook  <paul@codesourcery.com>
985
986         * config/arm/vfp11.md: Update license notice.
987         * config/arm/cortex-r4.md: Ditto.
988
989 2008-08-28  Richard Guenther  <rguenther@suse.de>
990
991         PR tree-optimization/37207
992         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
993         tuplification bug.
994
995 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
996
997         PR c++/36741
998         * tree.c (int_fits_type_p): Don't forget unsigned integers
999           of type sizetype which higher end word equals -1.
1000
1001 2008-08-28  Ira Rosen  <irar@il.ibm.com>
1002
1003         * target.h (struct vectorize): Add new target builtin.
1004         * tree-vectorizer.c (destroy_loop_vec_info): Call 
1005         vect_free_slp_instance instead of vect_free_slp_node.
1006         * tree-vectorizer.h (enum slp_load_perm_type): New.
1007         (struct _slp_instance): Add new fields.
1008         (SLP_INSTANCE_LOAD_PERMUTATION): New.
1009         (SLP_INSTANCE_LOADS): New.
1010         (vect_free_slp_tree): Remove.
1011         (vect_free_slp_instance): Declare.        
1012         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
1013         (vectorizable_load): Add argument.
1014         (vect_transform_slp_perm_load): New.
1015         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to 
1016         vectorizable_load.
1017         (vect_get_place_in_interleaving_chain): New function.
1018         (vect_free_slp_tree): Make static.
1019         (vect_free_slp_instance): New function.
1020         (vect_build_slp_tree): Add new arguments. Allow load permutations and 
1021         collect the load location in the interleaving chain.
1022         (vect_supported_slp_permutation_p): New function.
1023         (vect_supported_load_permutation_p): Likewise.
1024         (vect_analyze_slp_instance): In case of loads permutation, call
1025         vect_supported_load_permutation_p to check that the permutation is 
1026         supported.
1027         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
1028         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
1029         (vect_create_mask_and_perm): New function.
1030         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
1031         (vectorizable_load): Add an argument. Don't keep the created vectors  
1032         statements in the node if permutation is required. Call 
1033         vect_transform_slp_perm_load to generate the permutation.
1034         (vect_transform_stmt): Add new argument. Call vectorizable_load with 
1035         additional argument.
1036         (vect_schedule_slp_instance): In case of loads permutation, allocate  
1037         vectorized statements structure for all the related SLP nodes. Call 
1038         vect_transform_stmt with addditional argument.
1039         (vect_transform_loop): Call vect_transform_stmt with correct arguments. 
1040         * config/spu/spu.c (spu_builtin_vec_perm): New. 
1041         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1042         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
1043         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
1044         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
1045
1046 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
1047
1048         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
1049         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
1050         __gthread_cond_signal, __gthread_cond_timedwait,
1051         __gthread_cond_timedwait_recursive): New functions.
1052         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
1053         Likewise.
1054         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
1055         thread interfaces.
1056
1057 2008-08-28  Richard Guenther  <rguenther@suse.de>
1058
1059         PR middle-end/37005
1060         * fold-const.c (maybe_canonicalize_comparison_1): Require
1061         undefined overflow only for canonicalizing A +- CST cmp CST.
1062         Make sure to not generate new constants that are not inside
1063         their TYPE_MIN/MAX_VALUE range.
1064         (maybe_canonicalize_comparison): Remove undefined overflow
1065         checking from here.
1066         (fold_binary): Remove now duplicate folding.
1067
1068 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1069
1070         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
1071         use not updated in the last change.
1072
1073 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
1074
1075         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
1076         (IRA_COVER_CLASSES): Add FPUL_REGS.
1077
1078 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1079
1080         PR 37217
1081         * c-common.c (conversion_warning): Check for null operands.
1082
1083 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1084
1085         PR c/31673
1086         * c-decl.c (check_for_loop_decls): Improve error message. Give
1087         hint.
1088
1089 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1090
1091         PR c/37186
1092         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
1093         (convert_for_assignment): Pass corrent OPT_W* parameter to
1094         WARN_FOR_ASSIGNMENT.
1095
1096 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
1097
1098         PR c++/35321
1099         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
1100
1101 2008-08-27  Paul Brook  <paul@codesourcery.com>
1102
1103         * config.gcc: Loosen checks for arm uclinux eabi targets.
1104
1105 2008-08-27  Paul Brook  <paul@codesourcery.com>
1106
1107         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
1108         _clzsi2.
1109         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
1110
1111 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
1112
1113         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
1114         the enumerators of an ENUMERAL_TYPE.
1115         * dbxout.c (dbxout_type): Ditto.
1116
1117 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1118
1119         PR rtl-opt/37219
1120         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
1121         (fwprop_addr): Check that the loop_father is not the outer loop.
1122
1123 2008-08-26  Paul Brook  <paul@codesourcery.com>
1124
1125         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
1126         Remove documentation entry for fmul type.
1127         Use fmuls to annotate single-precision multiplication patterns,
1128         fmuld to annotate double-precision multiplication patterns,
1129         fmacs to annotate single-precision multiply-accumulate patterns
1130         and fmacd to annotate double-precision multiply-accumulate patterns.
1131         * config/arm/vfp11.md: Update reservations accordingly.
1132         * config/arm/arm.md: Note that certain values of the "type"
1133         attribute are documented in vfp.md.
1134         * config/arm/arm1020e.md: Remove out of date duplicate comment.
1135         (v10_cvt): Use new fmul types.
1136
1137 2008-08-26  Paul Brook   <paul@codesourcery.com>
1138
1139         * config/arm/vfp.md: Move pipeline description for VFP11 to...
1140         * config/arm/vfp11.md: ...here.  New.
1141         * config/arm/arm.md: Include vfp11.md.
1142
1143 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
1144
1145         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
1146         parameter to inform call.
1147
1148 2008-08-26  Jeff Law  <law@redhat.com>
1149
1150         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
1151         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
1152         preferred class when copying a constant into a partial word register.
1153
1154 2008-08-26  Ben Elliston  <bje@au.ibm.com>
1155
1156         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
1157         * cp/typeck.c: Likewise.
1158         * cp/tree.c: Likewise.
1159         * gimple-low.c: Likewise.
1160         * jump.c: Likewise.
1161
1162 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
1163
1164         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
1165         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
1166
1167         * doc/passes.texi: Describe IRA.
1168
1169         * doc/tm.texi (IRA_COVER_CLASSES,
1170         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
1171
1172         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
1173         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
1174         -fira-propagate-cost, -fno-ira-share-save-slots,
1175         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
1176
1177         * flags.h (ira_algorithm): New enumeration.
1178         (flag_ira_algorithm, flag_ira_verbose): New external variable
1179         declarations.
1180
1181         * postreload.c (gate_handle_postreload): Don't do post reload
1182         optimizations unless the reload is completed.
1183
1184         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
1185         IRA.
1186
1187         * tree-pass.h (pass_ira): New external variable declaration.
1188
1189         * reload.h: Add 2008 to the Copyright.
1190     
1191         * cfgloopanal.c: Include params.h.
1192         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
1193         mode.
1194     
1195         * params.h (IRA_MAX_LOOPS_NUM): New macro.
1196
1197         * toplev.c (ira.h): New include.
1198         (flag_ira_algorithm, flag_ira_verbose): New external variables.
1199         (backend_init_target): Call ira_init.
1200         (backend_init): Call ira_init_once.
1201         (finalize): Call finish_ira_once.
1202
1203         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
1204         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
1205         external variables.
1206
1207         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
1208         may_move_out_cost): New external variable declarations.
1209         (move_table): New typedef.
1210     
1211         * caller-save.c: Include headers output.h and ira.h.
1212         (no_caller_save_reg_set): New global variable.
1213         (save_slots_num, save_slots): New variables.
1214         (reg_save_code, reg_restore_code, add_stored_regs): Add
1215         prototypes.
1216         (init_caller_save): Set up no_caller_save_reg_set.
1217         (init_save_areas): Reset save_slots_num.
1218         (saved_hard_reg): New structure.
1219         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
1220         (initiate_saved_hard_regs, new_saved_hard_reg,
1221         finish_saved_hard_regs, saved_hard_reg_compare_func): New
1222         functions.
1223         (setup_save_areas): Add code for sharing stack slots.
1224         (all_blocks): New variable.
1225         (save_call_clobbered_regs): Process pseudo-register too.
1226         (mark_set_regs): Process pseudo-register too.
1227         (insert_one_insn): Put the insn after bb note in a empty basic
1228         block.  Add insn check.
1229     
1230         * global.c (eliminable_regset): Make it external.
1231         (mark_elimination): Use DF_LR_IN for IRA.
1232         (pseudo_for_reload_consideration_p): New.
1233         (build_insn_chain): Make it external.  Don't ignore spilled
1234         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
1235         (gate_handle_global_alloc): New function.
1236         (pass_global_alloc): Add the gate function.
1237
1238         * opts.c (decode_options): Set up flag_ira.  Print the warning for
1239         -fira.
1240         (common_handle_option): Process -fira-algorithm and -fira-verbose.
1241
1242         * timevar.def (TV_IRA, TV_RELOAD): New passes.
1243
1244         * regmove.c (regmove_optimize): Don't do replacement of output for
1245         IRA.
1246
1247         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
1248         New external variable declarations.
1249
1250         * local-alloc.c (update_equiv_regs): Make it external.  Return
1251         true if jump label rebuilding should be done.  Rescan new_insn for
1252         notes.
1253         (gate_handle_local_alloc): New function.
1254         (pass_local_alloc): Add the gate function.
1255
1256         * alias.c (value_addr_p, stack_addr_p): New functions.
1257         (nonoverlapping_memrefs_p): Use them for IRA.
1258
1259         * common.opt (fira, fira-algorithm, fira-coalesce,
1260         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
1261         fira-verbose): New options.
1262
1263         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
1264         move_cost, may_move_in_cost, may_move_out_cost): Make the
1265         variables external.
1266         (move_table): Remove typedef.
1267         (init_move_cost): Make it external.
1268         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
1269         functions.
1270
1271         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
1272         setup_reg_classes): New function prototypes.
1273         (eliminable_regset): New external variable declaration.
1274         (build_insn_chain, update_equiv_regs): New function prototypes.
1275     
1276         * Makefile.in (IRA_INT_H): New definition.
1277         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
1278         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
1279         (reload1.o, toplev.o): Add dependence on ira.h.
1280         (cfgloopanal.o): Add PARAMS_H.
1281         (caller-save.o): Add dependence on output.h and ira.h.
1282         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
1283         ira-emit.o, ira-lives.o): New entries.
1284
1285         * passes.c (pass_ira): New pass.
1286
1287         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
1288
1289         * reload1.c (ira.h): Include the header.
1290         (changed_allocation_pseudos): New bitmap.
1291         (init_reload): Initiate the bitmap.
1292         (compute_use_by_pseudos): Permits spilled registers in FROM.
1293         (temp_pseudo_reg_arr): New variable.
1294         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
1295         IRA.  Call alter_reg with the additional parameter.  Don't clear
1296         spilled_pseudos for IRA.  Restore original insn chain for IRA.
1297         Clear changed_allocation_pseudos at the end of reload.
1298         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
1299         (hard_regno_to_pseudo_regno): New variable.
1300         (count_pseudo): Check spilled pseudos.  Set up
1301         hard_regno_to_pseudo_regno.
1302         (count_spilled_pseudo): Check spilled pseudos. Update
1303         hard_regno_to_pseudo_regno.
1304         (find_reg): Use better_spill_reload_regno_p.  Check
1305         hard_regno_to_pseudo_regno.
1306         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
1307         code for IRA.
1308         (eliminate_regs_1): Use additional parameter for alter_reg.
1309         (finish_spills): Set up pseudo_previous_regs only for spilled
1310         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
1311         more arguments.  Don't clear live_throughout and dead_or_set for
1312         spilled pseudos.  Use additional parameter for alter_reg.  Call
1313         mark_allocation_change.  Set up changed_allocation_pseudos.
1314         Remove sanity check.
1315         (emit_input_reload_insns, delete_output_reload): Use additional
1316         parameter for alter_reg.  Call mark_allocation_change.
1317         (substitute, gen_reload_chain_without_interm_reg_p): New
1318         functions.
1319         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
1320     
1321         * testsuite/gcc.dg/20080410-1.c: New file.
1322         
1323         * config/s390/s390.h (IRA_COVER_CLASSES,
1324         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
1325
1326         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
1327
1328         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
1329
1330         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
1331
1332         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
1333
1334         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
1335     
1336         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
1337     
1338         2008-08-24  Jeff Law  <law@redhat.com>
1339         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
1340         when ignoring unavailable registers.
1341
1342         2008-08-24  Jeff Law  <law@redhat.com>
1343         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
1344         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
1345         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
1346         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
1347
1348         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
1349         * ira-build.c (allocno_range_compare_func): Stabilize sort.
1350
1351         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
1352         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
1353         * reload1.c (find_reg): Process registers in register allocation order.
1354
1355         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1356         * toplev.c (backend_init_target): Move ira_init call from
1357         here...
1358         (lang_dependent_init_target): ...to here.
1359
1360         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
1361         * ira.c (setup_class_subset_and_memory_move_costs): Don't
1362         calculate memory move costs for NO_REGS.
1363
1364         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
1365         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
1366         STACK_REGS is defined.
1367
1368         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
1369         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
1370
1371         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
1372         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
1373
1374         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
1375         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
1376         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
1377         barrier.
1378
1379 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
1380             Dorit Nuzman  <dorit@il.ibm.com>
1381
1382         * gcc/config/spu/spu.md (vec_extract_evenv4si,
1383         vec_extract_evenv4sf, vec_extract_evenv8hi,
1384         vec_extract_evenv16qi, vec_extract_oddv4si,
1385         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
1386         vec_interleave_highv4sf, vec_interleave_lowv4sf,
1387         vec_interleave_highv4si, vec_interleave_lowv4si,
1388         vec_interleave_highv8hi, vec_interleave_lowv8hi,
1389         vec_interleave_highv16qi, vec_interleave_lowv16qi,
1390         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
1391
1392 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
1393
1394         PR target/36756
1395         * config/rs6000/rs6000.c (optimization_options): Don't default to
1396         section anchors without toplevel reorder.
1397
1398 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1399
1400         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
1401         (mfc_end_critical_section): Likewise.
1402
1403 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1404
1405         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
1406         all type qualifiers from element type to vector type.
1407
1408 2008-08-25  David Daney  <ddaney@avtrex.com>
1409
1410         * config/mips/mips.md (immediate_insn): Move up in file, fix
1411         comment typo, reformat.
1412         (fetchop_bit, atomic_hiqi_op memory_barrier,
1413         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
1414         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
1415         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
1416         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
1417         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
1418         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
1419         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
1420         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
1421         sync_old_nand<mode>, sync_new_nand<mode>,
1422         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
1423         test_and_set_12): Moved to sync.md.
1424         (sync.md): Include.
1425         * config/mips/sync.md: New file.
1426
1427 2008-08-25  Richard Henderson  <rth@redhat.com>
1428
1429         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
1430         (regsave): Likewise.
1431         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
1432         (output_cfi_directive): Likewise.
1433         (div_data_align): New.
1434         (output_cfi): Use it.
1435
1436 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
1437
1438         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
1439         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
1440         (TARGET_OCTEON): New macro.
1441         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
1442         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
1443         (ISA_HAS_POP): New macro.
1444         * config/mips/driver-native.c (host_detect_local_cpu): Handle
1445         Octeon.
1446         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
1447         Handle Octeon.
1448         * config/mips/mips.md (cpu): Add octeon.
1449         (type): Add pop attribute value.
1450         (popcount<mode>2): New pattern.
1451         * doc/invoke.texi (-march=@var{arch}): Add octeon.
1452
1453 2008-08-24  Jan Hubicka  <jh@suse.cz>
1454
1455         * doc/invoke.texi (-fipa-cp-clone): New option.
1456         (-fipa-cp): Update docs.
1457         (--param ipcp-unit-growth):New.
1458         * ipa-cp.c: Include fibheap.h, params.h
1459         (ipcp_initialize_node_lattices): When not cloning, all externally
1460         visible functions are bottom.
1461         (ipcp_need_redirect_p): Accept clones.
1462         (ipcp_insert_stage): Use cost driven heuristics.
1463         (max_count, dead_nodes): New static vars.
1464         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
1465         ipcp_const_param_count): New functions.
1466         * common.opt (ipa-cp-clone): New command line option.
1467         * params.def (ipcp-unit-growth): New.
1468
1469 2008-08-24  Jan Hubicka  <jh@suse.cz>
1470
1471         * tree-inline.c (tree_function_versioning): Look harder
1472         for referenced vars.
1473
1474 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
1475
1476         PR tree-optimization/37185
1477         * matrix-reorg.c (transform_access_sites): Update changed stmt.
1478
1479 2008-08-23  Jan Hubicka  <jh@suse.cz>
1480
1481         * ipa-cp.c (ipcp_analyze_node): New function.
1482         (ipcp_update_cloned_node): Use it.
1483         (ipcp_init_stage): Likewise.
1484         * ipa-inline.c (function_insertion_hook_holder): New static var.
1485         (analyze_function): Break out from ....
1486         (inline_generate_summary): Here; register insertion hook.
1487         (cgraph_decide_inlining): Remove hook.
1488         (add_new_function): New function.
1489
1490 2008-08-23  Jan Hubicka  <jh@suse.cz>
1491
1492         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
1493
1494 2008-08-23  Jan Hubicka  <jh@suse.cz>
1495
1496         * ipa-cp.c (constant_val_insert): Remove.
1497         (ipcp_propagate_one_const): Remove.
1498         (ipcp_create_replace_map): Always insert replacements to the map.
1499         (ipcp_insert_stage): Do not try to insert statements by hand.
1500         * tree-inline.c (insert_init_stmt): Break out from ...
1501         (setup_one_parameter): ... here; allow NULL BB pointer.
1502         (tree_function_versioning): Use setup_one_parameter to process
1503         replacement map.
1504
1505 2008-08-23  Jan Hubicka  <jh@suse.cz>
1506
1507         * tree.c (decl_address_ip_invariant_p): New function.
1508         * tree.h (decl_address_ip_invariant_p): Declare.
1509         * gimple.c (strip_invariant_refs): Break out from ...
1510         (is_gimple_invariant_address): ... here
1511         (is_gimple_ip_invariant_address): New function.
1512         (is_gimple_ip_invariant): New function.
1513         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
1514         Declare.
1515
1516         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
1517         (ipcp_lat_is_insertable): All constants are insertable.
1518         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
1519         IPA_CONST_VALUE_REF.
1520         (ipcp_initialize_node_lattices): Propagate all types of operands.
1521         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
1522         (ipcp_create_replace_map): Reformat.
1523         (ipcp_need_redirect_p): Simplify.
1524         (ipcp_insert_stage): Check that argument is used before clonning.
1525         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
1526         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
1527         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
1528         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
1529         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
1530         (jump_func_type): Remove IPA_CONST_VALUE_REF.
1531         * tree-inline.c (tree_function_versioning): Add variables referenced by
1532         replacing trees.
1533
1534 2008-08-23  Jan Hubicka  <jh@suse.cz>
1535
1536         PR target/37094
1537         * i386.c (standard_80387_constant_p): Use optimize_size.
1538
1539 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1540
1541         PR tree-optimization/37161
1542         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
1543         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
1544         (vect_determine_vectorization_factor): Move the scalar type
1545         retrieval to vect_get_smallest_scalar_type.
1546         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
1547         scalar type. Remove redundant computation.
1548         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
1549         (vect_get_slp_defs): Take the type of RHS into account if
1550         necessary by calling vect_get_smallest_scalar_type. Call
1551         vect_get_constant_vectors with additional argument.
1552
1553 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1554
1555         PR 35648
1556         * doc/invoke.texi (Wwrite-strings): Clarify description.
1557         
1558 2008-08-23  Ira Rosen  <irar@il.ibm.com>
1559
1560         PR tree-optimization/37174
1561         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
1562         def stmt is a part of the loop before accessing its stmt_vec_info.
1563
1564 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
1565
1566         PR target/11259
1567         * config/avr/avr.md (UNSPEC_SWAP): New constants.
1568         (*swap): New insn pattern.
1569         (*ashlqi3): Rename from ashlqi3 insn pattern.
1570         (ashlqi3): New expanders.
1571         (*lshrqi3): Rename from lshrqi3 insn pattern.
1572         (lshrqi3): New expanders.       
1573         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
1574         lshrqi3_const5, lshrqi3_const6): New splitters.
1575         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
1576         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
1577         peephole2 patterns.
1578
1579 2008-08-22  Richard Guenther  <rguenther@suse.de>
1580
1581         PR tree-optimization/37078
1582         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
1583         [+INF, +INF] ranges.
1584
1585 2008-08-22  Richard Guenther  <rguenther@suse.de>
1586
1587         PR tree-optimization/37143
1588         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
1589         a conversion statement instead of a copy.
1590
1591 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
1592
1593         PR target/37184
1594         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
1595         CCCmode, CCOmode and CCSmode destination modes.
1596
1597         PR target/37191
1598         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
1599         from different units in a single alternative.
1600         (*vec_extractv2sf_1): Ditto.
1601         (*vec_extractv2si_0): Ditto.
1602         (*vec_extractv2si_1): Ditto.
1603         * config/i386/sse.md (sse2_storehpd): Ditto.
1604         (sse2_storelpd): Ditto.
1605         (sse2_loadhpd): Ditto.
1606         (sse2_loadlpd): Ditto.
1607
1608         PR target/37197
1609         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
1610         (popcountsi2): Ditto.
1611         (clzdi2_abm): Ditto.
1612         (popcountdi2): Ditto.
1613         (clzhi2_abm): Ditto.
1614         (popcounthi2): Ditto.
1615
1616 2008-08-22  Richard Guenther  <rguenther@suse.de>
1617
1618         PR middle-end/36548
1619         PR middle-end/37125
1620         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
1621         if the multiplication does not overflow.
1622
1623 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
1624
1625         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
1626
1627 2008-08-21  Richard Henderson  <rth@redhat.com>
1628
1629         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
1630         spurrious comma from test.
1631         * configure: Rebuild.
1632
1633 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1634
1635         PR 30457
1636         * builtins.c (fold_builtin_next_arg): Add warning about undefined
1637         behaviour.
1638         
1639 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
1640
1641         * c-tree.h (grokfield): New argument.
1642         * c-decl.c (grokfield): Handle new location argument.
1643         * c-parser.c (c_parser_struct_declaration): Pass location to
1644         grokfield.
1645
1646 2008-08-21  Richard Guenther  <rguenther@suse.de>
1647
1648         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
1649
1650 2008-08-21  Jan Hubicka  <jh@suse.cz>
1651
1652         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
1653         (cgraph_add_function_insertion_hook,
1654         cgraph_remove_function_insertion_hook,
1655         cgraph_call_function_insertion_hooks): New functions.
1656         * cgraph.h (cgraph_add_function_insertion_hook,
1657         cgraph_remove_function_insertion_hook,
1658         cgraph_call_function_insertion_hooks): Declare.
1659         * ipa-reference.c (function_insertion_hook_holder): New variable.
1660         (check_operand, look_for_address_of): When checking late, do not care
1661         about module bitmaps.
1662         (add_new_function): New function.
1663         (generate_summary): Register hooks; zero module bitmaps.
1664         (propagate): Unregister hooks.
1665         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
1666         (add_new_function): New function.
1667         (generate_summary): Register hook.
1668         (propagate): Remove hook.
1669
1670         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
1671
1672         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
1673         * ipa-cp.c (ipcp_update_cloned_node): New function.
1674         (build_const_val): Handle functions correctly; bring type logic
1675         into sync with tree-inline.c
1676         (ipcp_init_stage):  Take care of computing stuff needed by
1677         indirect inlining; update clones.
1678         (ipcp_generate_summary): Break out of ipcp_driver.
1679         (ipcp_driver): Do only execution and transformation.
1680         (pass_ipa_cp): Make IPA_PASS.
1681         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
1682         offset to address.
1683         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
1684         ipcp, some info is already available.
1685         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
1686         * tree-inline.c (remap_ssa_name): Unshare expression.
1687
1688 2008-08-21  Richard Guenther  <rguenther@suse.de>
1689
1690         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1691         a PHI ask VN if it is already available.
1692         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1693         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1694
1695 2008-08-21  Richard Guenther  <rguenther@suse.de>
1696
1697         PR middle-end/36817
1698         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
1699         makes sure to produce a result of the correct type.
1700
1701 2008-08-21  Jan Hubicka  <jh@suse.cz>
1702         Backport from LTO branch:
1703
1704         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
1705                     Jan Hubicka  <jh@suse.cz>
1706         
1707         * ipa-pure-const.c
1708         (init_state, finish_state, set_function_state, generate_summary):
1709         New functions.
1710         (scan_stmt): Renamed from scan_function.  Changed to keep state in
1711         local static vars rather than cgraph aux field.
1712         (propagate): Renamed from static_execute. Changed to keep state in
1713         local static vars rather than cgraph aux field.
1714         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
1715         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
1716
1717         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
1718
1719         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
1720         * ipa-reference.c (init_function_info, generate_summary, 
1721         propagate): New functions.
1722         (analyze_function):  Call init_function_info.
1723         (static_execute): Stripped into generate_summary and propagate.
1724         (pass_ipa_reference): Made into ipa_opt_pass.
1725
1726 2008-08-21  Richard Guenther  <rguenther@suse.de>
1727
1728         PR tree-optimization/37181
1729         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
1730         folding result.
1731         (extract_range_from_unary_expr): Likewise.
1732
1733 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1734
1735         * diagnostic.c (pedwarn_at): Rename as pedwarn.
1736         (pedwarn): Delete.
1737         * toplev.h (pedwarn_at): Likewise.
1738         * builtins.c: Update all calls to pedwarn.
1739         * c-lex.c: Likewise.
1740         * toplev.c: Likewise.
1741         * c-tree.h: Likewise.
1742         * c-decl.c: Likewise.
1743         * c-errors.c: Likewise.
1744         * c-typeck.c: Likewise.
1745         * c-common.c: Likewise.
1746         * c-parser.c: Likewise.
1747
1748 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
1749
1750         PR target/31070
1751         * config/sparc/sparc.c (function_arg_slotno): Handle structure
1752         with MODE_VECTOR_INT mode.
1753
1754 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1755
1756         PR middle-end/179
1757         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
1758         initialized outside the current module.
1759         (warn_uninitialized_var): Ignore left-hand side when walking the
1760         trees. Ignore address expressions. Examine VUSE operands in gimple
1761         statements with a variable declaration on the right-hand side.
1762
1763 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
1764
1765         PR bootstrap/37155
1766         * rtlanal.c (subreg_offset_representable_p): Revert last change.
1767
1768 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1769
1770         PR 35701
1771         * c-common.c (conversion_warning): Do not warn if applying bit-and
1772         operator to unsigned constant that fits in the target type.
1773
1774 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1775
1776         PR c++/35602
1777         * c-common.c (conversion_warning): Do not warn for artificial
1778         expressions.
1779
1780 2008-08-20  Richard Guenther  <rguenther@suse.de>
1781
1782         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
1783         (extract_range_from_binary_expr): Fall back to constant propagation.
1784         (extract_range_from_unary_expr): Likewise.
1785
1786 2008-08-20  Richard Guenther  <rguenther@suse.de>
1787
1788         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
1789         with TREE_THIS_VOLATILE on shared nodes.
1790         (fold_stmt_r): Likewise.
1791
1792 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
1793
1794         PR c/37171
1795         * c-parser.c (c_parser_attributes): For keywords use canonical
1796         spelling for attr_name.
1797
1798 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1799
1800         * value-prof.c (check_counter): Revert wrong call to error.
1801         
1802 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1803
1804         * profile.c: Update calls to inform.
1805         * value-prof.c: Update calls to inform.
1806         
1807 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1808
1809         * diagnostic.c (inform): Add an explicit location_t parameter.
1810         * toplev.h (inform): Update declaration.
1811         * builtins.c: Update all calls to inform.
1812         * c-common.c: Likewise.
1813         * c-decl.c: Likewise.
1814         * c-opts.c: Likewise.
1815         * c-pch.c: Likewise.
1816         * c-pragma.c: Likewise.
1817         * c-typeck.c: Likewise.
1818         * coverage.c: Likewise.
1819         * opts.c: Likewise.
1820         * toplev.c: Likewise.
1821         * tree-cfg.c: Likewise.
1822         * tree-ssa.c: Likewise.
1823
1824 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1825
1826         PR target/37169
1827         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
1828         V2DI mode, for SSE4.1, use movq instead of vector set if the
1829         second element is zero and inter-unit moves are OK.
1830
1831 2008-08-20  Richard Guenther  <rguenther@suse.de>
1832
1833         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
1834         properly handle conversion/copy chains after tuplification.
1835
1836 2008-08-20  Richard Guenther  <rguenther@suse.de>
1837
1838         * passes.c (init_optimization_passes): Move the second
1839         forwprop pass before alias computation.  Remove the second
1840         DCE pass.  Remove the first dominator and phi copy/const
1841         prop passes.
1842
1843 2008-08-20  Nick Clifton  <nickc@redhat.com>
1844
1845         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
1846         support of this feature.  Do not assume that a sufficiently new
1847         assembler will support the feature regardless of the target type.
1848         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
1849         * configure: Regenerate.
1850
1851 2008-08-20  Richard Guenther  <rguenther@suse.de>
1852
1853         * tree-vrp.c (found_in_subgraph): Remove.
1854         (live): New global static.
1855         (live_on_edge): New function.
1856         (blocks_visited): Remove.
1857         (register_edge_assert_for_2): Use live_on_edge.
1858         (find_conditional_asserts): Remove code dealing with
1859         found_in_subgraph.  Do not walk the CFG.
1860         (find_switch_asserts): Likewise.
1861         (find_assert_locations_1): Renamed from find_assert_locations.
1862         Move finding assert locations for conditional and switch
1863         statements first.  Update live bitmap.  Do not walk the CFG.
1864         (find_assert_locations): New function.
1865         (insert_range_assertions): Remove entry of CFG walk.
1866         Adjust call to find_assert_locations.
1867         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
1868         that only can appear because of fake exit edges but assert we
1869         never try to insert on those.
1870         (fini_pre): Do not remove fake exit edges here...
1871         (execute_pre): ...but here, before committing edge inserts.
1872
1873 2008-08-19  Richard Guenther  <rguenther@suse.de>
1874
1875         * passes.c (init_optimization_passes): Exchange store-ccp
1876         with a ccp pass.
1877
1878 2008-08-19  Rafael Espindola  <espindola@google.com>
1879
1880         * varasm.c (weak_decls): Move earlier in the file.
1881         (assemble_external): Add weak decls to the weak_decls list.
1882         (declare_weak): Don't add decls to the weak_decls list.
1883
1884 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
1885
1886         PR target/37157
1887         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
1888         before (sse2_shufpd_<mode>).
1889
1890 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
1891
1892         PR debug/37156
1893         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
1894         * tree.c (block_nonartificial_location): Likewise.
1895
1896 2008-08-19  Richard Guenther  <rguenther@suse.de>
1897
1898         PR tree-optimization/35972
1899         PR tree-optimization/23094
1900         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
1901         parameter.
1902         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
1903         handle MISALIGNED_INDIRECT_REF.
1904         (get_ref_from_reference_ops): New helper.
1905         (vn_reference_lookup_pieces): Walk the use-def chain using the
1906         alias-oracle if requested.
1907         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
1908         walking the use-def chain.
1909         (compute_avail): But not here.
1910         (create_component_ref_by_pieces_1): Properly handle
1911         MISALIGNED_INDIRECT_REF.
1912         (do_regular_insertion): Handle fully redundant
1913         expressions after PHI-translation also for SSA_NAME values, not
1914         only constants.  Correctly use edoubleprime for that.
1915
1916 2008-08-19  Ira Rosen  <irar@il.ibm.com>
1917
1918         * tree-vectorizer.c (supportable_widening_operation): Support
1919         multi-step conversion, return the number of steps in such conversion
1920         and the required intermediate types.
1921         (supportable_narrowing_operation): Likewise.
1922         * tree-vectorizer.h (vect_pow2): New function.
1923         (supportable_widening_operation): Change argument types.
1924         (supportable_narrowing_operation): Likewise.
1925         (vectorizable_type_promotion): Add an argument.
1926         (vectorizable_type_demotion): Likewise.
1927         * tree-vect-analyze.c (vect_analyze_operations): Call 
1928         vectorizable_type_promotion and vectorizable_type_demotion with
1929         additional argument.
1930         (vect_get_and_check_slp_defs): Detect patterns.
1931         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
1932         types. 
1933         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
1934         vect_build_slp_tree with correct arguments. Calculate unrolling factor
1935         according to the smallest type in the loop.
1936         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
1937         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call 
1938         supportable_widening_operation with correct arguments. 
1939         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector 
1940         operands lists according to the number of vector statements in left
1941         or right node, if exists.
1942         (vect_gen_widened_results_half): Remove unused argument.
1943         (vectorizable_conversion): Call supportable_widening_operation, 
1944         supportable_narrowing_operation, and vect_gen_widened_results_half
1945         with correct arguments. 
1946         (vectorizable_assignment): Change documentation, support multiple
1947         types in SLP. 
1948         (vectorizable_operation): Likewise.
1949         (vect_get_loop_based_defs): New function.
1950         (vect_create_vectorized_demotion_stmts): Likewise.
1951         (vectorizable_type_demotion): Support loop-aware SLP and general
1952         multi-step conversion. Call vect_get_loop_based_defs and
1953         vect_create_vectorized_demotion_stmts for transformation.
1954         (vect_create_vectorized_promotion_stmts): New function.
1955         (vectorizable_type_promotion): Support loop-aware SLP and general
1956         multi-step conversion. Call vect_create_vectorized_promotion_stmts
1957         for transformation.     
1958         (vectorizable_store): Change documentation, support multiple
1959         types in SLP. 
1960         (vectorizable_load): Likewise.
1961         (vect_transform_stmt): Pass SLP_NODE to 
1962         vectorizable_type_promotion and vectorizable_type_demotion.
1963         (vect_schedule_slp_instance): Move here the calculation of number
1964         of vectorized statements for each node from...
1965         (vect_schedule_slp): ... here.
1966         (vect_transform_loop): Call vect_schedule_slp without the last
1967         argument.
1968
1969 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
1970
1971         PR bootstrap/37152
1972         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change = 
1973         to == in assert statement.
1974         (vectorizable_reduction): Fix typo.
1975
1976 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1977
1978         PR bootstrap/37153
1979         * value-prof.c (check_counter): Dereference pointer to overall
1980         count when printing it.
1981
1982 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1983
1984         * profile.h: Really add it.
1985
1986 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
1987
1988         * mcf.c: Really add it.
1989
1990 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
1991             Vinodha Ramasamy  <vinodha@google.com>
1992
1993         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
1994         count_scale.
1995         * value-prof.c (check_counter): Fix the counter if
1996         flag_profile_correction is true.
1997         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
1998         tree_mod_subtract_transform):
1999         Follow check_counter parameter change.
2000         * common.opt (fprofile-correction): New option.
2001         * mcf.c: New file.
2002         * profile.h: Likewise.
2003         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
2004         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
2005         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
2006         functions.
2007         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
2008         flag_profile_correction is set.
2009
2010 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
2011
2012         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
2013
2014 2008-08-18  Tomas Bily  <tbily@suse.cz>
2015
2016         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
2017         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
2018         CONVERT_EXPR_P.
2019         * tree-data-ref.c (split_constant_offset_1): Likewise.
2020         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
2021         * tree-sra.c (sra_walk_expr): Likewise.
2022         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
2023         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
2024         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
2025         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
2026         Likewise.
2027         * gimple.c (gimple_assign_unary_nop_p): Likewise.
2028         * tree-vect-transform.c (vectorizable_type_demotion)
2029         (vectorizable_type_promotion): Likewise.
2030         * tree-inline.c (expand_call_inline): 
2031         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
2032         (forward_propagate_addr_expr_1, forward_propagate_comparison)
2033         (tree_ssa_forward_propagate_single_use_vars): Likewise.
2034         * expr.c (expand_expr_real_1): Likewise.
2035         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
2036         (gimple_assign_unary_useless_conversion_p): Likewise.
2037         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
2038         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
2039         * fold-const.c (fold_unary): Likewise.
2040         * tree.h (CONVERT_EXPR_P): Likewise.
2041         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
2042         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
2043         * tree-vrp.c: 
2044         (register_edge_assert_for_2, extract_range_from_unary_expr)
2045         (register_edge_assert_for_1): Likewise.
2046         
2047 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2048
2049         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
2050         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
2051         (enum real_value_const): Delete.
2052         (get_real_const): Delete.
2053         * real.c (get_real_const): Delete.
2054         (dconst_e_ptr): Define.
2055         (dconst_third_ptr): Define.
2056         (dconst_sqrt2_ptr): Define.
2057         * builtins.c: Update all callers.
2058
2059 2008-08-18  Richard Guenther  <rguenther@suse.de>
2060
2061         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
2062         statement iterator after statement removal.
2063
2064 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
2065
2066         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
2067         (detect_processor_freebsd): Likewise.
2068         (host_detect_local_cpu): Call newly added functions for FreeBSD.
2069
2070 2008-08-18  Richard Guenther  <rguenther@suse.de>
2071
2072         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
2073         and loads have the correct types.
2074
2075 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2076
2077         PR cpp/7263
2078         * c-opts.c (cpp_opts): Remove static.
2079         * c-parser.c (cpp_opts): Declare it extern.
2080         (disable_extension_diagnostics): Handle cpp options.
2081         (enable_extension_diagnostics): Likewise.
2082
2083 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2084
2085         * diagnostics.c (permerror_at): Rename as permerror.
2086         (permerror): Delete.
2087         * toplev.h: Likewise.
2088
2089 2008-08-18  Richard Guenther  <rguenther@suse.de>
2090
2091         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
2092         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
2093         Move call_cdce before build_alias.  Move copyrename2,
2094         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
2095         right after final inlining.
2096         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
2097         (pass_build_cfg): But instead via TODO_dump_func.
2098
2099 2008-08-18  Richard Guenther  <rguenther@suse.de>
2100
2101         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
2102         element index.
2103         (scalarize_init): If we failed to generate some initializers
2104         do not generate zeros for not instantiated members.  Instead
2105         rely on the copy out.
2106         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
2107         about missing flow-sensitive alias info only if we have
2108         aliases computed.
2109
2110 2008-08-17  Nick Clifton  <nickc@redhat.com>
2111
2112         * doc/extend.texi (Function Attributes): Fix typo in description
2113         if hot function attribute.
2114
2115 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
2116             Richard Sandiford  <rdsandiford@googlemail.com>
2117
2118         * doc/install.texi (--with-mips-plt): Document.
2119         * doc/invoke.texi (-mplt, -mno-plt): Document.
2120         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
2121         and handle ${with_mips_plt}.
2122         * config/mips/mips.opt (mplt): New option.
2123         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
2124         (TARGET_ABICALLS_PIC2): Likewise.
2125         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
2126         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
2127         (ASM_SPEC): Use !mabi=* instead of !mabi*.
2128         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
2129         to decide whether to output ".option picX" directives.
2130         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
2131         Pass -call_nonpic rather than -KPIC for -mplt.
2132         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
2133         on the command line.  Also remove it when -mabi=64 is used without
2134         -msym32.
2135         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
2136         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
2137         TARGET_ABICALLS_PIC0.
2138         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
2139         TARGET_ABICALLS.
2140         (mips16_build_function_stub): Only output ".option pic" directives
2141         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
2142         (mips16_build_call_stub): Fix comment and remove redundant
2143         ".set at"/"set .noat" directives.
2144         (mips_function_rodata_section): Use the default behaviour for
2145         TARGET_ABSOLUTE_ABICALLS.
2146         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
2147         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
2148         (mips_restore_gp): Do nothing if the current function doesn't use
2149         a global pointer.
2150         (mips_expand_prologue): Only save $gp if the current function uses it.
2151         Use a normal move for TARGET_ABICALLS_PIC0.
2152         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
2153
2154 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
2155
2156         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
2157         of function when handling GLOBAL_POINTER_REGNUM.
2158
2159 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
2160
2161         PR ada/20548
2162         * common.opt (-fstack-check): Do not declare the variable here.
2163         (-fstack-check=): New option variant.
2164         * doc/invoke.texi (Code Gen Options): Document it.
2165         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
2166         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
2167         (STACK_CHECK_STATIC_BUILTIN): New macro.
2168         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
2169         * opts.c: Include expr.h.
2170         (common_handle_option) <OPT_fold_stack_check_>: New case.
2171         <OPT_fstack_check>: Likewise.
2172         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
2173         consistently in the test for variable-sized types.  Adjust for
2174         new behaviour of flag_stack_check.
2175         * explow.c: Include except.h.
2176         (allocate_dynamic_stack_space): Do not take into account
2177         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
2178         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
2179         for variable-sized parameters.  Treat all parameters whose size is
2180         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
2181         stack checking is enabled.
2182         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
2183         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
2184         if generic stack checking is enabled.
2185         (expand_function_end): Adjust for new behaviour of flag_stack_check.
2186         * reload1.c (reload): Likewise.
2187         * stmt.c (expand_decl): Assert that all automatic variables have
2188         fixed size at this point and remove dead code.
2189         * flags.h (stack_check_type): New enumeration type.
2190         (flag_stack_check): Declare.
2191         * toplev.c (flag_stack_check): New global variable.
2192         * Makefile.in (opts.o): Add dependency on EXPR_H.
2193         (explow.o): Add dependency on except.h.
2194
2195 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
2196
2197         * config/avr/avr.c (avr_override_options): Reduce value of 
2198         PARAM_INLINE_CALL_COST.
2199
2200 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
2201
2202         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
2203         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
2204         lieu of TYPE_MODE (type) throughout.
2205
2206 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
2207
2208         * config/arm/arm.c (add_minipool_backward_ref): Check for
2209         8-byte-aligned entries in second case of forcing insertion after a
2210         particular entry.  Change third case to avoid inserting
2211         non-8-byte-aligned entries before 8-byte-aligned ones.
2212
2213 2008-08-15  Richard Guenther  <rguenther@suse.de>
2214
2215         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
2216         strip components for unknown size accesses.
2217
2218 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
2219
2220         * config/s390/2097.md New file.
2221         * config/s390/s390.md ("z10prop" attribute): Define none,
2222         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
2223         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
2224         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
2225         possible values and apply them to insns as appropriate.
2226         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
2227         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
2228         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
2229         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
2230         values.
2231         ("bfp" mode attribute): Removed.  Every occurence replaced
2232         with <mode>.
2233         * config/s390/s390.c (struct "z10_cost"): Updated entries.
2234         * config/s390/2084.md (insn_reservation "x_itof"): Updated
2235           type attribute.
2236
2237 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2238
2239         PR c/28152
2240         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
2241         for keywords.
2242         
2243 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
2244
2245         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
2246         additional argument. Support reduction when duplication is needed due
2247         to data-types of different sizes in the loop.
2248         (get_initial_def_for_induction): Fix printout.
2249         (vect_get_vec_def_for_stmt_copy): Support case where the
2250         vec_stmt_for_operand is a phi node.
2251         (vectorizable_reduction): Support reduction when duplication is needed 
2252         due to data-types of different sizes in the loop.
2253         (vectorizable_call): Remove restriction to not vectorize in case we 
2254         have data-types of different sizes in the loop.
2255         (vectorizable_conversion): Likewise.
2256         (vectorizable_operation): Likewise.
2257         (vectorizable_type_demotion): Likewise.
2258         (vectorizable_type_promotion): Likewise.
2259         (vectorizable_induction): Add restriction to not vectorize in case 
2260         we have data-types of different sizes in the loop.
2261
2262 2008-08-14  Christophe Saout  <christophe@saout.de>
2263             Uros Bizjak  <ubizjak@gmail.com>
2264
2265         PR target/37101
2266         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
2267         (*vec_concatv2di_rex64_sse4_1): Ditto.
2268         (*vec_concatv2di_rex64_sse): Ditto.
2269
2270 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
2271
2272         PR middle-end/37103
2273         * fold-const.c (fold_widened_comparison): Do not allow
2274         sign changes that change the result even if shorter type
2275         is wider than arg1_unw's type.
2276
2277 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
2278
2279         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
2280         Skip if the multilib testing specifies -march that does not
2281         agree with the one specified in the testcase.
2282
2283 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2284
2285         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
2286         zero extend SImode values being converted to TFmode before passing
2287         to libcalls.
2288
2289 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2290
2291         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
2292         __PPU__ when targeting the Cell/B.E. PPU processor.
2293
2294 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
2295
2296         * gimple.h (gimple_call_set_chain): Accept SSA variables.
2297         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
2298         Rematerialize the static chain, if any.
2299         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
2300         static chain.
2301
2302 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2303
2304         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
2305         (new_loc_descr): Likewise.
2306         (add_loc_descr): Likewise.
2307         (size_of_loc_descr): Likewise.
2308         (size_of_locs): Likewise.
2309         (output_loc_operands): Likewise.
2310         (output_loc_sequence): Likewise.
2311         (new_reg_loc_descr): New.
2312         (build_cfa_loc): Use it.
2313         (build_cfa_aligned_loc): Likewise.
2314         (one_reg_loc_descriptor): Likewise.
2315         (based_loc_descr): Likewise.
2316
2317 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2318
2319         PR 30551
2320         * doc/invoke.texi (Wmain): Update.
2321         * c-decl.c (start_decl): warn_main is only 0 or 1.
2322         (start_function): Likewise. Fix formatting.
2323         (finish_function): Delete redundant warning.
2324         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
2325         * c-opts (c_common_handle_option): -Wall only has effect if
2326         warn_main is uninitialized. OPT_Wmain is automatically
2327         handled. -pedantic also enables Wmain.
2328         (c_common_post_options): Handle all logic for Wmain here.
2329         * c-common.c (warn_main): Delete.
2330         (check_main_parameter_types): Make pedwarns conditional on
2331         OPT_Wmain.
2332         * c-common.h (warn_main): Delete.
2333
2334 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
2335
2336         PR middle-end/36701
2337         * expr.c (emit_group_store): Allocate stack temp with the
2338         largest alignment when copying from register to stack.
2339
2340 2008-08-13  Richard Guenther  <rguenther@suse.de>
2341
2342         * tree.h (maybe_fold_offset_to_address): Declare.
2343         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
2344         (ccp_fold): Handle pointer conversions the same as fold_stmt.
2345         Likewise for POINTER_PLUS_EXPR.
2346         (maybe_fold_offset_to_reference): Enable disabled code.
2347         (maybe_fold_offset_to_address): New function.
2348         (fold_stmt_r): Use it.
2349         (fold_gimple_assign): Likewise.
2350         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
2351         (gimplify_expr): Likewise.
2352
2353 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2354
2355         * toplev.h (pedwarn_at): Fix declaration.
2356         
2357 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
2358
2359         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
2360         LINK_SPEC): Use %R in -Y P argument.
2361
2362 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2363
2364         PR c/15236
2365         * diagnostic.c (pedwarn_at): New.
2366         * toplev.h (pedwarn_at): Declare.
2367         * c-tree.h (build_enumerator): Update declaration.
2368         * c-decl.c (finish_enum): Update comment.
2369         (build_enumerator): Take a location parameter. Give a pedwarn but do
2370         not perform any conversion.
2371         * c-parser.c (c_parser_enum_specifier): Set correct location for
2372         enumerator.
2373
2374 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2375
2376         PR 35635
2377         * c-common.c (conversion_warning): Use a switch. Ignore boolean
2378         expressions except for conversions to signed:1 bitfields. Handle
2379         COND_EXPR with constant operands.
2380         
2381 2008-08-13  Richard Guenther  <rguenther@suse.de>
2382
2383         PR tree-optimization/15255
2384         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
2385         (struct oecount_s): New struct and VEC types.
2386         (cvec): New global.
2387         (oecount_hash): New function.
2388         (oecount_eq): Likewise.
2389         (oecount_cmp): Likewise.
2390         (zero_one_operation): New function.
2391         (build_and_add_sum): Likewise.
2392         (undistribute_ops_list): Perform un-distribution of multiplication
2393         and division on the chain of summands.
2394         (should_break_up_subtract): Also break up subtracts for factors.
2395         (reassociate_bb): Delete dead visited statements.
2396         Call undistribute_ops_list.  Re-sort and optimize if it did something.
2397         * passes.c (init_optimization_passes): Move DSE before
2398         reassociation.
2399         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
2400         PHI nodes.
2401
2402 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
2403
2404         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
2405
2406         * doc/invoke.texi: Revert unintended checkin.
2407
2408 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
2409
2410         PR libgomp/26165
2411         * gcc.c (include_spec_function): Tweak call to find_a_file.
2412
2413 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2414
2415         PR middle-end/37014
2416         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
2417         and TRUTH_ORIF_EXPR.
2418         * dojump.c (do_jump): Likewise.
2419
2420         PR tree-optimization/37084
2421         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
2422         if id->regimplify, don't assume stmt is a cast assignment.
2423
2424 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
2425
2426         * final.c (final_scan_insn): Use app_enable/app_disable functions.
2427
2428 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2429
2430         PR bootstrap/37097
2431         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
2432         by last change.
2433
2434 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2435
2436         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
2437         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
2438
2439         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
2440         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
2441         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
2442         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
2443         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
2444
2445         * doc/tm.texi (Storage Layout): Remove documentation for
2446         TARGET_FLOAT_FORMAT.
2447
2448         * simplify-rtx.c (simplify_binary_operation_1): Replace
2449         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
2450
2451 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2452
2453         * real.h (struct real_format): New member has_sign_dependent_rounding.
2454         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
2455         spu_single_format, ieee_double_format, mips_double_format,
2456         motorola_double_format, ieee_extended_motorola_format,
2457         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2458         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2459         mips_extended_format, ieee_quad_format, mips_quad_format,
2460         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2461         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2462
2463         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2464         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2465         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
2466         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
2467         (ROUND_TOWARDS_ZERO): Likewise.
2468
2469         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
2470         (FLOAT_MODE_FORMAT): New macro.
2471         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
2472         (MODE_COMPOSITE_P): ... this new macro.
2473         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2474         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
2475         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
2476
2477         * flags.h: Include "real.h".
2478
2479         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
2480         REAL_MODE_FORMAT_COMPOSITE_P.
2481         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
2482
2483         * doc/tm.texi (Storage Layout): Remove documentation of
2484         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
2485         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
2486         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
2487         they only apply to libgcc2.a.
2488
2489 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2490
2491         * config/spu/float_disf.c: New file.
2492         * config/spu/float_unsdisf.c: New file.
2493         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
2494         (LIB2FUNCS_EXCLUDE): Define.
2495
2496 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2497             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2498
2499         * real.h (struct real_format): New member round_towards_zero.
2500         * real.c (round_for_format): Respect fmt->round_towards_zero.
2501         (ieee_single_format, mips_single_format, motorola_single_format,
2502         spu_single_format, ieee_double_format, mips_double_format,
2503         motorola_double_format, ieee_extended_motorola_format,
2504         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
2505         ieee_extended_intel_96_round_53_format, ibm_extended_format,
2506         mips_extended_format, ieee_quad_format, mips_quad_format,
2507         vax_f_format, vax_d_format, vax_g_format): Initialize it.
2508         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
2509
2510         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
2511         real_format to choose rounding mode when calling MPFR functions.
2512         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
2513         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
2514
2515         * real.h (real_to_decimal_for_mode): Add prototype.
2516         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
2517         Respect target rounding mode when generating decimal representation.
2518         (real_to_decimal): New stub for backwards compatibility.
2519         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
2520         real_to_decimal_for_mode instead of real_to_decimal.
2521
2522         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
2523
2524 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2525             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
2526
2527         * real.c (spu_single_format): New variable.
2528         * real.h (spu_single_format): Declare.
2529
2530         * config/spu/spu.c (spu_override_options): Install SFmode format.
2531         (spu_split_immediate): Use integer mode to operate on pieces of
2532         floating-point values in all cases.
2533
2534         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
2535         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
2536         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
2537
2538 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2539
2540         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
2541
2542 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2543
2544         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
2545
2546 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
2547
2548         PR c++/36688
2549         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
2550         on the VAR_DECL instead of TYPE_READONLY on its type.
2551
2552 2008-08-12  Ira Rosen  <irar@il.ibm.com>
2553
2554         * tree-vectorizer.c: Depend on langhooks.h.
2555         (supportable_widening_operation): Add two arguments. Support double
2556         type conversions.
2557         (supportable_narrowing_operation): Likewise.
2558         * tree-vectorizer.h (supportable_widening_operation): Add two 
2559         arguments.
2560         (supportable_narrowing_operation): Likewise.
2561         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
2562         supportable_widening_operation with correct arguments.
2563         * tree-vect-transform.c (vectorizable_conversion): Likewise.
2564         (vectorizable_type_demotion): Support double type conversions.
2565         (vectorizable_type_promotion): Likewise.
2566         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
2567
2568 2008-08-11  Michael Matz  <matz@suse.de>
2569
2570         * i386/i386.c (override_options): Move initialisation from
2571         flag_schedule_insns_after_reload to here from ...
2572         (optimization_options): ... here.
2573
2574 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
2575
2576         PR rtl-optimization/36998
2577         * dwarf2out.c (compute_barrier_args_size_1,
2578         compute_barrier_args_size): Temporarily remove assertions.
2579
2580 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2581
2582         PR middle-end/20644
2583         * tree-ssa.c (struct walk_data): Add new flag
2584         warn_possibly_uninitialized.
2585         (warn_uninitialized_var): Use it.
2586         (warn_uninitialized_vars): New.
2587         (execute_early_warn_uninitialized): Call it.
2588         (execute_late_warn_uninitialized): Likewise.
2589
2590 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2591
2592         PR middle-end/36238
2593         * reload1.c (gen_reload): Guard calls to get_secondary_mem
2594         for memory subregs.
2595
2596 2008-08-09  Jan Hubicka  <jh@suse.cz>
2597
2598         PR target/37055
2599         * optabs.c (maybe_emit_unop_insn): Remove produced code if
2600         expansion failed.
2601         (expand_fix): Be prepared for expansion to fail.
2602         (expand_sfix_optab): Remove instructions if expansion failed.
2603
2604 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
2605
2606         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
2607         avr31 architecture.
2608         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
2609         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2610
2611 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2612
2613         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
2614         mips/t-libgcc-mips16 to tmake_file.
2615         * config/mips/mips-protos.h (mips_call_type): New enum.
2616         (mips_pic_base_register, mips_got_load): Declare.
2617         (mips_restore_gp): Take an rtx argument.
2618         (mips_use_pic_fn_addr_reg_p): Declare.
2619         (mips_expand_call): Replace the sibcall_p argument with
2620         a mips_call_type argument.  Add a lazy_p parameter.
2621         (mips_split_call): Declare.
2622         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
2623         (MIPS16_PIC_TEMP): Likewise.
2624         (reg_class): Delete M16_NA_REGS.
2625         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
2626         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
2627         (mips_split_hi_p): Declare.
2628         * config/mips/mips.c (mips_split_hi_p): New array.
2629         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
2630         (mips_got_symbol_type_p): New function.
2631         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
2632         (mips16_stub_function_p): New function.
2633         (mips16_local_function_p): Likewise.
2634         (mips_use_pic_fn_addr_reg_p): Likewise.
2635         (mips_cannot_force_const_mem): Return false for HIGHs.
2636         Extend CONST_INT and symbolic handling to MIPS16, using
2637         mips_symbol_insns to check that the base symbol type is a
2638         legitimate constant.  Reject GOT-based constants if
2639         TARGET_MIPS16_PCREL_LOADS.
2640         (mips_const_insns): Check targetm.cannot_force_const_mem when
2641         decomposing a symbolic base and a large offset.
2642         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
2643         When calling a function that needs $25 from MIPS16 code,
2644         move the target address into $25 separately and add a USE
2645         to the call insn.
2646         (mips16_gp_pseudo_reg): Insert the initializer immediately
2647         before the first real insn.
2648         (mips_pic_base_register, mips_got_load): New functions.
2649         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
2650         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
2651         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
2652         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
2653         (mips_call_tls_get_addr): Update the call to mips_expand_call,
2654         also passing NULL_RTX rather than const0_rtx as the aux argument.
2655         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
2656         instead of TARGET_EXPLICIT_RELOCS.
2657         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
2658         (mips_load_call_address): Replace the sibcall_p argument with
2659         a mips_call_type argument.  Use mips_got_load.
2660         (mips16_local_alias): New structure.
2661         (mips16_local_aliases): New variable.
2662         (mips16_local_aliases_hash): New function.
2663         (mips16_local_aliases_eq): Likewise.
2664         (mips16_local_alias): Likewise.
2665         (mips16_stub_function): Likewise.
2666         (mips16_build_function_stub): Create a local alias for the target
2667         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
2668         .cpload directive and an R_MIPS_NONE relocation for the target
2669         function, then load the alias rather than the function itself.
2670         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
2671         (mips16_copy_fpr_return_value): Use mips16_stub_function and
2672         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
2673         (mips16_build_call_stub): Replace the FN parameter with an
2674         FN_PTR parameter.  Force the address into a register if it
2675         isn't a call_insn_operand; don't rely on the caller to do this.
2676         If a call to a locally-defined and locally-binding MIPS16
2677         function must be made indirectly, redirect the call to the
2678         function's local alias.  Use mips16_stub_function_p,
2679         mips16_stub_function, mips_expand_call and use_reg.
2680         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
2681         Use explicit %hi and %lo accesses where possible.
2682         Use MIPS_CALL to generate the correct code form of a
2683         jal instruction.  Add clobbers of $18 instead of uses.
2684         Update the call to mips_emit_call_insn.
2685         (mips_expand_call): Replace the SIBCALL_P argument with a
2686         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
2687         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
2688         allowing it to modify the call address.  Update the calls to
2689         mips_load_call_address and mips_emit_call_insn.
2690         (mips_split_call): New function.
2691         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
2692         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
2693         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
2694         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
2695         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
2696         if TARGET_MIPS16.
2697         (mips_cprestore_slot): New function.
2698         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
2699         and use mips_cprestore_slot.
2700         (mips_output_function_prologue): Handle TARGET_MIPS16 for
2701         LOADGP_OLDABI.
2702         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
2703         then use a copygp_mips16 instruction to set up $28.
2704         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
2705         (mips16_lay_out_constants): Call split_all_insns_noflow.
2706         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
2707         false if TARGET_MIPS16.
2708         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
2709         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
2710         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
2711         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
2712         MIPS16 code.  Allow MIPS16 o32 PIC.
2713         (mips_override_options): Allow MIPS16 o32 PIC.
2714         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
2715         after reload if TARGET_USE_GOT.
2716         (UNSPEC_COPYGP): New constant.
2717         (length): Use a default length of 8 for MIPS16 GOT loads.
2718         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
2719         (*got_page<mode>): Check mips_split_hi_p.
2720         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
2721         (unspec_got<mode>, unspec_call<mode>): New expanders.
2722         (load_got<mode>, load_call<mode>): Remove the length attributes.
2723         Use a got attribute instead of a type attribute.
2724         (copygp_mips16): New insn.
2725         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
2726         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
2727         (sibcall, sibcall_value, call, call_value): Update the calls
2728         to mips_expand_call.
2729         (call_internal, call_value_internal): Use mips_split_call.
2730         (call_value_multiple_internal): Likewise.
2731         (call_split): Move after call_internal (the insn it is split from).
2732         (call_internal_direct, call_value_internal_direct): Turn into
2733         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
2734         (call_direct_split, call_value_direct_split): New patterns.
2735         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
2736         and use M16_REGS instead of M16_NA_REGS.
2737         * config/mips/predicates.md (const_call_insn_operand): Replace
2738         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
2739         mips_use_pic_fn_addr_reg_p check.
2740         (move_operand): Reject HIGHs if mips_split_hi_p.
2741         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
2742         (__mips16_floatunsisf): Inline __mips16_floatsisf.
2743         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
2744         * config/mips/libgcc-mips16.ver: New file.
2745         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
2746         $(srcdir)/config/mips/libgcc-mips16.ver.
2747
2748 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2749
2750         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
2751         (mips_unspec_address, mips_unspec_offset_high): Likewise.
2752         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
2753         (mips16_cfun_returns_in_fpr_p): Likewise.
2754
2755 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2756
2757         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
2758         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
2759         rather than 4 to PC.
2760
2761 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2762
2763         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
2764         (FUNCTION_PROFILER): Save the static chain pointer into $2
2765         beforehand and restore it aftewards.
2766         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
2767         address directly into $25 and call the function through $25;
2768         do not clobber $3.  Pad the DImode version to cover the space
2769         left by the deleted $25 <- $3 move.
2770         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
2771         the removal of the $25 <- $3 move.
2772         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
2773         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
2774
2775 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
2776             Daniel Jacobowitz  <dan@codesourcery.com>
2777
2778         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
2779         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
2780         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
2781         * config/mips/mips.c (mips_start_function_definition): New function.
2782         (mips_end_function_definition): Likewise.
2783         (mips_output_function_prologue): Use mips_start_function_definition.
2784         (mips_output_function_epilogue): Use mips_end_function_definition.
2785         (build_mips16_function_stub): Use mips_start_function_definition
2786         and mips_end_function_definition.
2787         (build_mips16_call_stub): Likewise.
2788
2789 2008-08-09  Richard Guenther  <rguenther@suse.de>
2790
2791         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
2792         * gimple.h (gimple_call_fn): Adjust comment.
2793         (gimple_call_set_fndecl): New function.
2794         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
2795         longer having bare FUNCTION_DECL operand.
2796         (gimple_call_return_type): Likewise.
2797         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
2798
2799         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
2800         (gimple_mod_pow2): Likewise.
2801         (gimple_mod_subtract): Likewise.
2802         (gimple_ic): Likewise.
2803         (gimple_stringop_fixed_value): Likewise.
2804         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
2805         longer having bare FUNCTION_DECL operand.
2806         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
2807         * omp-low.c (optimize_omp_library_calls): Likewise.
2808         * cgraphunit.c (update_call_expr): Likewise.
2809         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
2810         (execute_convert_to_rsqrt): Likewise.
2811         * cfgexpand.c (gimple_to_tree): Simplify.
2812         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
2813         bare FUNCTION_DECL operand.
2814         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
2815         (convert_gimple_call): Use gimple_call_fndecl.
2816         * c-common.c (c_warn_unused_result): Likewise.
2817
2818 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2819
2820         PR c/17880
2821         * c-typeck.c (digest_init): Call verify_sequence_points from here.
2822         (c_finish_return): Likewise.
2823         (c_start_case): Likewise.
2824         * c-common.c (warn_for_collisions_1): Use explicit location in
2825         warning.
2826         * c-parser.c (c_parser_condition): New. Call
2827         verify_sequence_points.
2828         (c_parser_paren_condition): Call c_parser_condition.
2829         (c_parser_for_statement): Call c_parser_condition.
2830
2831 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2832
2833         PR 36901
2834         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.  
2835         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
2836         Moved from diagnostic.h
2837         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
2838         DK_PERMERROR.
2839         (emit_diagnostic): New.
2840         (warning0, pedwarn0): Delete.
2841         (warning, warning_at, pedwarn, permerror): Return bool.  
2842         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
2843         Moved to diagnostic.c.
2844         (struct diagnostic_context): Use correct type for
2845         classify_diagnostic.
2846         (diagnostic_report_diagnostic): Update declaration.
2847         (emit_diagnostic): Declare.
2848         * errors.c (warning): Return bool.  
2849         * errors.h (warning): Update declaration.
2850         * toplev.h (warning0, pedwarn0): Delete.
2851         (warning, warning_at, pedwarn, permerror): Return bool.
2852         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
2853         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
2854         inform. Update all calls.
2855         (diagnose_mismatched_decls): Check return value of warning/pedwarn
2856         before giving informative note.
2857         (implicit_decl_warning): Likewise.  
2858         * c-typeck.c (build_function_call): Likewise.  
2859         * tree-sssa.c (warn_uninit): Likewise.  
2860         * builtins.c (gimplify_va_arg_expr): Likewise.
2861
2862 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2863
2864         PR 7651
2865         * doc/invoke.texi (-Wextra): Move warning from here...
2866         (-Wuninitialized): ... to here.
2867         
2868 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2869
2870         PR 28875
2871         * flags.h (set_Wunused): Delete
2872         * toplev.c (process_options): Handle Wunused flags here.
2873         * opts.c (maybe_warn_unused_parameter): Delete.
2874         (common_handle_option): Replace set_Wunused by warn_unused.
2875         (set_Wextra): Do not handle Wunused-parameter here.
2876         (set_Wunused): Delete.
2877         * c-opts.c (c_common_handle_option): Replace set_Wunused by
2878         warn_unused.
2879         * common.opt (Wunused): Add Var and Init.
2880         (Wunused-function): Likewise.
2881         (Wunused-label): Likewise.
2882         (Wunused-parameter): Likewise.
2883         (Wunused-value): Likewise.
2884         (Wunused-variable): Likewise.
2885         
2886 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
2887
2888         * doc/invoke.texi: Add cpu_type power7.
2889         * config.in (HAVE_AS_VSX): New.
2890         * config.gcc: Add cpu_type power7.
2891         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
2892         VSX instructions.
2893         * configure: Regenerate.
2894         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
2895         power5.
2896         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
2897         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
2898         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
2899
2900 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
2901
2902         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
2903         type to vectorize.builtin_conversion.
2904         (vectorizable_conversion): Likewise.
2905         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
2906         integral type as input.
2907         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
2908         FIX_TRUNC_EXPR.
2909         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
2910         and ALTIVEC_BUILTIN_VCTSXS.
2911         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
2912         formatting. 
2913
2914 2008-08-08  Richard Guenther  <rguenther@suse.de>
2915
2916         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
2917         (surely_varying_stmt_p): Calls are varying only if they are
2918         non-builtin and not indirect or have no result.
2919         (ccp_fold): Re-instantiate code before the tuples merge.
2920
2921 2008-08-08  Richard Guenther  <rguenther@suse.de>
2922
2923         PR tree-optimization/37056
2924         * gimple.h (gimple_assign_rhs_class): New helper function.
2925         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
2926         unary operations properly.
2927
2928 2008-08-07  Jan Hubicka  <jh@suse.cz>
2929
2930         * i386.h (ix86_size_cost): Declare.
2931         (ix86_cur_cost): New function macro.
2932         * i386.md (peepholes expanding size and splitters): Predicate by
2933         optimize_insn_for_speed_p.
2934         (peepholes reduce size and splitters): Predicate by
2935         optimize_insn_for_size_p.
2936         * i386.c (ix86_size_cost): Rename from ...
2937         (size_cost): This one.
2938         (override_options): Update.
2939         (decide_alg): Likewise.
2940         (ix86_expand_clear): Use RTL profile.
2941         (ix86_pad_returns): Use RTL profile.
2942
2943 2008-08-07  Jan Hubicka  <jh@suse.cz>
2944
2945         * recog.c (split_all_insns): Set RTL profile
2946         (peephole2_optimize): Likewise.
2947         * function.c (thread_prologue_and_epilogue_insns): Likewise.
2948         * combine.c (combine_instructions): Likewise.
2949
2950 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2951
2952         * c-common.c (c_common_reswords): Also warn about keyword "bool".
2953
2954 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
2955         
2956         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
2957         value in a6 after the set_frame_ptr insn.
2958         
2959 2008-08-07  Richard Henderson  <rth@redhat.com>
2960
2961         PR debug/37033
2962         * gcc.c (cpp_options): Pass along -g*.
2963
2964 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2965
2966         * config/arm/arm.c (output_move_neon): Update comment describing
2967         big-endian vector layout.
2968         (arm_assemble_integer): Do not handle big-endian NEON vectors
2969         specially.
2970         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
2971         neon_vget_lane<mode>_sext_internal,
2972         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
2973         element indices for big-endian.
2974
2975 2008-08-07  Richard Henderson  <rth@redhat.com>
2976
2977         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
2978         * configure, config.in: Rebuild.
2979         * debug.h (dwarf2out_do_cfi_asm): Declare.
2980         * c-cppbuiltin.c (c_cpp_builtins): Use it.
2981         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
2982         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
2983         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
2984
2985 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
2986
2987         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
2988         movv2si_internal): Combine into mov<mode>_internal.
2989         (movv2si_internal_2): Remove.
2990
2991 2008-08-07  Jan Hubicka  <jh@suse.cz>
2992
2993         PR target/37048
2994         * i386.md (single stringop patterns): Enable unconditionally. 
2995
2996 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
2997
2998         PR target/36992
2999         * config/i386/emmintrin.h (_mm_move_epi64): Use
3000         __builtin_ia32_movq128.
3001
3002         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
3003         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
3004
3005         * config/i386/sse.md (sse2_movq128): New.
3006
3007         * doc/extend.texi: Document __builtin_ia32_movq128.
3008
3009 2008-08-07  Richard Guenther  <rguenther@suse.de>
3010
3011         PR middle-end/37042
3012         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
3013         pointers can access anything.
3014
3015 2008-08-06  Jan Hubicka  <jh@suse.cz>
3016
3017         * optabs.c (emit_unop_insn): Break out to ...
3018         (maybe_emit_unop_insn): ... this one.
3019         (expand_sfix_optab): Use maybe variant.
3020         * optabs.h (maybe_emit_unop_insn): Declare.
3021
3022         * i386.md (mov0 patterns): Enable by default.
3023         (FP conversion expanders): Disable expansion of code expanding
3024         sequences when instruction should be optimized for size.
3025         (single strinop patterns): Enable when optimizing for size.
3026         (string expanders): Disable expanding of code expanding sequences
3027         when optimizning instruction for size.
3028         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
3029         per BB basis.
3030         (ix86_fp_comparison_sahf_cost): Likewise.
3031         (ix86_expand_branch): Likewise.
3032         (ix86_expand_ashl_const): Likewise.
3033         (ix86_split_ashl): Likewise.
3034         (ix86_expand_strlen): Likewise.
3035         (ix86_emit_fp_unordered_jump): Likewie.
3036
3037 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3038
3039         * c-common.c: Fix typo.
3040         (c_common_reswords): Activate more C++ keyword warnings.
3041
3042         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
3043
3044 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3045
3046         PR 26785
3047         * diagnostic.c (permerror_at): New.
3048         * toplev.h (permerror_at): Declare.
3049         
3050 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
3051             Ira Rosen  <irar@il.ibm.com>
3052
3053         * tree-vect-transform.c (vect_model_simple_cost): Return
3054         immediately if stmt is pure SLP.
3055         (vect_model_store_cost): Ditto.
3056         (vect_model_load_cost): Ditto.
3057         (vectorizable_store): Remove PURE_SLP check before call
3058         to vect_model_store_cost.
3059         (vect_model_store_cost): When checking whether stmt describe
3060         strided access, add a check that it is not slp_node.
3061
3062 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3063
3064         PR 8715
3065         * c-common.c (warn_for_sign_compare): New. Handle separately the
3066         case that 'constant' is zero.
3067         * c-typeck.c (build_binary_op): Move code to c-common.c
3068         
3069 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3070
3071         * config/alpha/alpha.c (alpha_preferred_reload_class,
3072         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
3073         alpha_output_mi_thunk_osf): Avoid C++ keywords.
3074         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
3075         * config/arm/arm.md: Likewise.
3076         * config/avr/avr-protos.h (preferred_reload_class,
3077         test_hard_reg_class, avr_simplify_comparison_p,
3078         out_shift_with_cnt, class_max_nregs): Likewise.
3079         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
3080         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
3081         preferred_reload_class, test_hard_reg_class): Likewise.
3082         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
3083         bfin_memory_move_cost, bfin_secondary_reload,
3084         bfin_output_mi_thunk): Likewise.
3085         * config/crx/crx.c (crx_secondary_reload_class,
3086         crx_memory_move_cost): Likewise.
3087         * config/frv/frv-protos.h (frv_secondary_reload_class,
3088         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
3089         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
3090         frv_secondary_reload_class, frv_class_likely_spilled_p,
3091         frv_class_max_nregs): Likewise.
3092         * config/h8300/h8300.c (h8300_classify_operand,
3093         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
3094         Likewise.
3095         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
3096         * config/ia64/ia64.c (ia64_preferred_reload_class,
3097         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
3098         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
3099         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
3100         Likewise.
3101         * config/m68hc11/m68hc11.c (preferred_reload_class,
3102         m68hc11_memory_move_cost): Likewise.
3103         * config/mcore/mcore.c (mcore_secondary_reload_class,
3104         mcore_reload_class): Likewise.
3105         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
3106         mips_class_max_nregs, mips_cannot_change_mode_class,
3107         mips_preferred_reload_class, mips_secondary_reload_class,
3108         mips_output_mi_thunk): Likewise.
3109         * config/mmix/mmix.c (mmix_preferred_reload_class,
3110         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
3111         Likewise.
3112         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
3113         Likewise.
3114         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
3115         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
3116         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3117         * config/rs6000/rs6000.c (paired_expand_vector_init,
3118         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
3119         compare_section_name, rs6000_memory_move_cost): Likewise.
3120         * config/s390/s390.c (s390_emit_compare_and_swap,
3121         s390_preferred_reload_class, s390_secondary_reload,
3122         legitimize_pic_address, legitimize_tls_address,
3123         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
3124         s390_class_max_nregs): Likewise.
3125         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
3126         * config/s390/s390.md: Likewise.
3127         * config/score/score-protos.h (score_secondary_reload_class,
3128         score_preferred_reload_class): Likewise.
3129         * config/score/score.c (score_preferred_reload_class,
3130         score_secondary_reload_class): Likewise.
3131         * config/score/score3.c (score3_output_mi_thunk,
3132         score3_preferred_reload_class, score3_secondary_reload_class,
3133         score3_hard_regno_mode_ok): Likewise.
3134         * config/score/score3.h (score3_preferred_reload_class,
3135         score3_secondary_reload_class): Likewise.
3136         * config/score/score7.c (score7_output_mi_thunk,
3137         score7_preferred_reload_class, score7_secondary_reload_class,
3138         score7_hard_regno_mode_ok): Likewise.
3139         * config/score/score7.h (score7_preferred_reload_class,
3140         score7_secondary_reload_class): Likewise.
3141         * config/sh/sh.c (prepare_move_operands, output_far_jump,
3142         output_branchy_insn, add_constant, gen_block_redirect,
3143         sh_insn_length_adjustment, sh_cannot_change_mode_class,
3144         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
3145         Likewise.
3146         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3147         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
3148         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
3149         xstormy16_preferred_reload_class): Likewise.
3150         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
3151         xtensa_expand_atomic, override_options,
3152         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
3153         Likewise.
3154         * reorg.c (try_merge_delay_insns): Likewise.
3155         * tree.c (merge_dllimport_decl_attributes): Likewise.
3156
3157         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
3158
3159 2008-08-06  Michael Matz  <matz@suse.de>
3160
3161         * Makefile.in (write_entries_to_file): Quote words.
3162         * gengtype.c: (read_input_line): Skip over leading white-space.
3163
3164 2008-08-06  Marc Gauthier  <marc@tensilica.com>
3165
3166         * config.gcc: Match more processor names for Xtensa.
3167         * configure.ac: Likewise.
3168         * doc/install.texi (Specific): Likewise.
3169         * configure: Regenerate.
3170
3171 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3172
3173         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
3174         * calls.c (avoid_likely_spilled_reg): Likewise.
3175         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
3176         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
3177         * config/i386/i386.c (ix86_expand_special_args_builtin,
3178         ix86_secondary_reload): Likewise.
3179         * except.c (struct eh_region, gen_eh_region_catch,
3180         remove_unreachable_regions, duplicate_eh_regions,
3181         assign_filter_values, build_post_landing_pads,
3182         sjlj_find_directly_reachable_regions, remove_eh_handler,
3183         reachable_next_level, foreach_reachable_handler,
3184         can_throw_internal_1, can_throw_external_1,
3185         collect_one_action_chain): Likewise.
3186         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
3187         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
3188         * function.c (update_temp_slot_address, instantiate_new_reg,
3189         instantiate_virtual_regs_in_rtx,
3190         instantiate_virtual_regs_in_insn): Likewise.
3191         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
3192         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
3193         gimplify_cleanup_point_expr): Likewise.
3194         * ipa-cp.c (ipcp_lattice_changed): Likewise.
3195         * passes.c (next_pass_1): Likewise.
3196         * print-tree.c (print_node_brief, print_node): Likewise.
3197         * profile.c (branch_prob): Likewise.
3198         * tree-dump.c (dump_register): Likewise.
3199         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
3200         Likewise.
3201         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
3202         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
3203         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
3204         copy_arguments_for_versioning, copy_static_chain): Likewise.
3205         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
3206         add_new_name_mapping, register_new_name_mapping): Likewise.
3207         * tree-mudflap.c (mf_xform_derefs): Likewise.
3208         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
3209         get_init_expr, combine_chains): Likewise.
3210         * tree-pretty-print.c (dump_generic_node): Likewise.
3211         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
3212         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
3213         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
3214         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
3215
3216 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3217
3218         PR middle-end/37010
3219         * calls.c (expand_call): Use the biggest preferred stack
3220         boundary.
3221
3222 2008-08-06  Michael Matz  <matz@suse.de>
3223
3224         PR target/36613
3225         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
3226         for reused reload, instead of overwriting them.
3227
3228 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
3229
3230         PR middle-end/37009
3231         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
3232         for incoming stack boundary.
3233
3234         * function.c (assign_parm_find_entry_rtl): Update
3235         parm_stack_boundary.
3236
3237         * function.h (rtl_data): Add parm_stack_boundary.
3238
3239         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
3240         parm_stack_boundary for incoming stack boundary.
3241
3242 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
3243
3244         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
3245         for unrepresentable subregs or treat them as equal to other regs
3246         or subregs with the same register number.
3247
3248 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
3249
3250         PR middle-end/35432
3251         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
3252         if want_value.
3253
3254 2008-08-06  Jan Hubicka  <jh@suse.cz>
3255
3256         * predict.c (maybe_hot_frequency_p): When profile is absent, all
3257         frequencies might be hot.
3258
3259 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
3260
3261         * reload.c (find_reloads): Force constants into literal pool
3262         also if they are wrapped in a SUBREG.
3263
3264 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3265
3266         PR target/35659
3267         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
3268         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
3269         Don't allow predicated instructions for data speculation.
3270         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
3271         declaration.
3272
3273 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3274
3275         * haifa-sched.c (extend_global): Split to extend_global_data and
3276         extend_region_data.  Update all uses.
3277         (extend_all): Rename to extend_block_data.
3278
3279 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
3280
3281         * sched-rgn.c (new_ready): Check if instruction can be
3282         speculatively scheduled before attempting speculation.
3283         (debug_rgn_dependencies): Remove wrongful assert.
3284
3285 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3286
3287         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
3288         
3289 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
3290         
3291         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
3292         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
3293         va_size, and type_size.
3294         
3295 2008-08-04  Jason Merrill  <jason@redhat.com>
3296
3297         PR c++/37016
3298         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
3299         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
3300
3301 2008-08-05  Richard Henderson  <rth@redhat.com>
3302
3303         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
3304         * configure: Rebuild.
3305
3306 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3307
3308         PR tree-opt/37024
3309         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
3310         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
3311         is a conversion.
3312
3313 2008-08-05  Richard Henderson  <rth@redhat.com>
3314
3315         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
3316         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
3317         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
3318         * common.opt (fdwarf2-cfi-asm): New.
3319         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
3320         * config.in, configure: Rebuild.
3321         * dwarf2asm.c (dw2_asm_output_data_raw): New.
3322         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
3323         (dw2_force_const_mem): Externalize.
3324         * dwarf2asm.h: Update.
3325         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
3326         generate a real label.
3327         (output_cfi_directive): New.
3328         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
3329         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
3330         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
3331         and .cfi_lsda.
3332         (dwarf2out_end_epilogue): Emit .cfi_endproc.
3333         (output_loc_operands_raw, output_loc_sequence_raw): New.
3334         (output_cfa_loc_raw): New.
3335         
3336 2008-08-05  Paul Brook  <paul@codesourcery.com>
3337
3338         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
3339         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
3340         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
3341         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
3342         * config/arm/arm.h (TARGET_VFPD32): Define.
3343         (TARGET_VFP3): Use TARGET_VFPD32.
3344         (fputype): Add FPUTYPE_VFP3D16.
3345         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
3346         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
3347         * config/arm/arm-cores.def: Add cortex-r4f.
3348         * config/arm/arm-tune.md: Regenerate.
3349
3350 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3351
3352         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
3353         Reword some comments throughout the file.
3354
3355         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
3356         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
3357         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
3358         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
3359
3360         (MFC_START_ENABLE): Remove PPU-only define.
3361         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
3362         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
3363
3364         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
3365         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
3366         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
3367         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
3368         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
3369         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
3370         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
3371
3372         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
3373         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
3374         (mfc_sdcrt, mfc_sdcrtst): Likewise.
3375         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
3376
3377         (spu_read_machine_status): Fix typo.
3378
3379 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3380
3381         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
3382         SUBREG of multi-word hard register.
3383         * config/spu/spu.c (valid_subreg): Likewise.
3384         (adjust_operand): Handle SUBREGs of multi-word hard registers.
3385
3386 2008-08-04  Richard Guenther  <rguenther@suse.de>
3387
3388         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
3389         the candidate with the stripped base if that base is different
3390         from the original base even for offset zero.
3391
3392 2008-08-04  Richard Guenther  <rguenther@suse.de>
3393
3394         PR middle-end/36691
3395         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
3396         check for no_overflow.
3397
3398 2008-08-04  Richard Guenther  <rguenther@suse.de>
3399
3400         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
3401
3402 2008-08-04  Paul Brook  <paul@codesourcery.com>
3403
3404         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
3405         (arm_order_regs_for_local_alloc): New function.
3406         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
3407         prototype.
3408         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
3409
3410 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3411
3412         PR target/37012
3413         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
3414         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
3415         (ix86_expand_epilogue): Likewise.
3416
3417 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
3418
3419         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
3420         in comments.
3421
3422 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3423
3424         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
3425         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
3426         (*movv2sf_internal_rex64): Ditto.
3427
3428 2008-08-03  Jan Hubicka  <jh@suse.cz>
3429
3430         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
3431         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
3432         * expmed.c (expand_smod_pow2): Likewise.
3433
3434 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
3435
3436         PR target/36992
3437         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
3438         alternative 0 of operand 1.
3439         (*vec_concatv2di_rex64_sse): Ditto.
3440         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
3441         of operand 1.
3442         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
3443         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
3444         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
3445         (*movv2sf_internal_rex64): Ditto.
3446
3447 2008-08-02  Richard Guenther  <rguenther@suse.de>
3448
3449         PR target/35252
3450         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
3451         (ssedoublesizemode): New mode attribute.
3452         (sse_shufps): Call gen_sse_shufps_v4sf.
3453         (sse_shufps_1): Macroize.
3454         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
3455         (sse2_shufpd_1): Macroize.
3456         (vec_extract_odd, vec_extract_even): New expanders.
3457         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
3458         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
3459         * i386.c (ix86_expand_vector_init_one_nonzero): Call
3460         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
3461         (ix86_expand_vector_set): Likewise.
3462         (ix86_expand_reduc_v4sf): Likewise.
3463
3464 2008-08-01  Doug Kwan  <dougkwan@google.com>
3465
3466         * matrix-reorg.c: Re-enable all code.
3467         (struct malloc_call_data): Change CALL_STMT to gimple type.
3468         (collect_data_for_malloc_call): Tuplify.
3469         (struct access_site_info): Change STMT to gimple type.
3470         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
3471         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
3472         (struct free_info): Change STMT to gimple type.
3473         (struct matrix_access_phi_node):  Change PHI to gimple type.
3474         (get_inner_of_cast_expr): Remove.
3475         (may_flatten_matrices_1): Tuplify.
3476         (may_flatten_matrices): Ditto.
3477         (mark_min_matrix_escape_level): Ditto.
3478         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
3479         (ssa_accessed_in_call_rhs): New
3480         (ssa_accessed_in_assign_rhs): New
3481         (record_access_alloc_site_info): Tuplify.
3482         (add_allocation_site): Ditto.
3483         (analyze_matrix_allocation_site): Ditto.
3484         (analyze_transpose): Ditto.
3485         (get_index_from_offset): Ditto.
3486         (update_type_size): Ditto.
3487         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
3488         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
3489         (analyze_accesses_for_phi_node): Tuplify.
3490         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
3491         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
3492         (analyze_matrix_accesses): Tuplify.
3493         (check_var_data): New call-back type for check_var_notmodified_p.
3494         (check_var_notmodified_p): Tuplify and use call-back struct to
3495         return statement found.
3496         (can_calculate_expr_before_stmt): Factor out statement related code
3497         into ...
3498         (can_calculate_stmt_before_stmt): New.
3499         (check_allocation_function): Tuplify.
3500         (find_sites_in_func): Ditto.
3501         (record_all_accesses_in_func): Ditto.
3502         (transform_access_sites): Ditto.
3503         (transform_allocation_sites): Ditto.
3504         (matrix_reorg): Re-enable.
3505         (gate_matrix_reorg): Re-enable.
3506
3507 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
3508
3509         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
3510         for labels for which it hasn't been set yet.  If it has been set,
3511         stop walking insns and continue with next worklist item.
3512         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
3513         if the only BARRIER is at the very end of a function.
3514
3515 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3516
3517         * cfgexpand.c (expand_stack_alignment): Assert that
3518         stack_realign_drap and drap_rtx must match.
3519
3520         * function.c (instantiate_new_reg): If DRAP is used to realign
3521         stack, replace virtual_incoming_args_rtx with internal arg
3522         pointer.
3523
3524 2008-08-01  Richard Guenther  <rguenther@suse.de>
3525
3526         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
3527         loop information only if we initialized it.
3528         (execute_pre): Call fini_pre with in_fre.
3529         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
3530         if we do not unroll because we hit max-completely-peeled-insns.
3531         Use our estimation for consistency, do allow shrinking.
3532
3533 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
3534
3535         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
3536         with MIN_STACK_BOUNDARY.
3537         (ix86_update_stack_boundary): Likewise.
3538         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
3539         STACK_BOUNDARY.
3540
3541         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
3542         (MIN_STACK_BOUNDARY): This.
3543
3544 2008-08-01  Richard Guenther  <rguenther@suse.de>
3545
3546         PR middle-end/36997
3547         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
3548
3549 2008-08-01  Richard Guenther  <rguenther@suse.de>
3550
3551         PR tree-optimization/36988
3552         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
3553         do not matter if that doesn't change volatile qualification.
3554
3555 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
3556
3557         * configure.ac: Do not generate libada-mk.  Do not subst
3558         host_cc_for_libada.
3559         * libada-mk.in: Remove.
3560         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
3561         * configure: Regenerate.
3562
3563 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
3564
3565         * tree-pass.h: Added comment about not dumping passes with name
3566         starting with star in struct opt_pass.
3567         * passes.c (register_dump_files_1): Don't do dump for a pass with
3568         name starting with star.
3569         * doc/passes.texi (Pass manager): Mention pass names and special
3570         meaning of star prefix to avoid dump.
3571
3572 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
3573
3574         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
3575         to MIPS64r2.
3576         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
3577         (ISA_MIPS64R2): New macro.
3578         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
3579         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
3580         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
3581         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
3582         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
3583         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
3584         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
3585         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
3586         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
3587         Move up to keep list alphabetically sorted.
3588         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
3589         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
3590         processor.
3591         * doc/invoke.texi (MIPS Options): Add -mips64r2.
3592         (-march=@var{arch}): Add mips64r2.
3593
3594 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3595
3596         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
3597
3598 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
3599
3600         * expr.c (expand_assignment): Check for complete type.
3601
3602 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3603
3604         PR debug/36977
3605         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
3606
3607         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
3608         for stack alignment.
3609
3610         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
3611
3612 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
3613
3614         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
3615         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
3616
3617 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3618
3619         PR rtl-optimization/36419
3620         * dwarf2out.c (barrier_args_size): New variable.
3621         (compute_barrier_args_size, compute_barrier_args_size_1): New
3622         functions.
3623         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
3624         if not called yet in the current function, use barrier_args_size
3625         array to find the new args_size value.
3626         (dwarf2out_frame_debug): Free and clear barrier_args_size.
3627
3628 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3629
3630         PR debug/36980
3631         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
3632         rule 19.
3633
3634 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
3635
3636         PR debug/36976
3637         * dwarf2out.c (dwarf2out_args_size_adjust): New.
3638         (dwarf2out_stack_adjust): Use it.
3639         (dwarf2out_frame_debug_expr): Likewise.
3640
3641 2008-07-31  Richard Guenther  <rguenther@suse.de>
3642
3643         PR tree-optimization/36978
3644         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
3645         the generated condition.
3646
3647 2008-07-31  Richard Guenther  <rguenther@suse.de>
3648
3649         * passes.c (init_optimization_passes): Always call
3650         pass_early_warn_uninitialized.
3651         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
3652         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
3653         * doc/passes.texi (Warn for uninitialized variables): Adjust.
3654
3655 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
3656
3657         PR c/36970
3658         * builtins.c (maybe_emit_free_warning): New function.
3659         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
3660         maybe_emit_free_warning for BUILT_IN_FREE.
3661
3662         PR debug/36278
3663         * dwarf2out.c (get_context_die): New function.
3664         (force_decl_die, force_type_die): Use it.
3665         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
3666         returns NULL, force generation of DW_TAG_typedef and put that into
3667         DW_AT_import.
3668
3669         PR preprocessor/36649
3670         * c-pch.c (c_common_read_pch): Save and restore
3671         line_table->trace_includes across PCH restore.
3672
3673 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
3674
3675         PR ada/36554
3676         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
3677
3678 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3679
3680         PR 36974
3681         * final.c (call_from_call_insn): Handle COND_EXEC.
3682
3683 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3684
3685         * builtins.c (std_gimplify_va_arg_expr): Replace
3686         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
3687         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
3688
3689 2008-07-30  Joey Ye  <joey.ye@intel.com>
3690             H.J. Lu  <hongjiu.lu@intel.com>
3691
3692         * builtins.c (expand_builtin_setjmp_receiver): Replace
3693         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
3694         (expand_builtin_apply_args_1): Likewise.
3695         (expand_builtin_longjmp): Need DRAP for stack alignment.
3696         (expand_builtin_apply): Likewise.
3697
3698         * caller-save.c (setup_save_areas): Call assign_stack_local_1
3699         instead of assign_stack_local to allow alignment reduction.
3700
3701         * calls.c (emit_call_1): Need DRAP for stack alignment if
3702         return pops.
3703         (expand_call): Replace virtual_incoming_args_rtx with
3704         crtl->args.internal_arg_pointer.
3705         * stmt.c (expand_nl_goto_receiver): Likewise.
3706
3707         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
3708         alignment and store to stack_alignment_estimated and
3709         max_used_stack_slot_alignment.
3710         (expand_one_var): Likewise.
3711         (expand_stack_alignment): New function.
3712         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
3713         and stack_alignment_estimated fields in rtl_data.  Call
3714         expand_stack_alignment at end.
3715
3716         * defaults.h (INCOMING_STACK_BOUNDARY): New.
3717         (MAX_STACK_ALIGNMENT): Likewise.
3718         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
3719         (SUPPORTS_STACK_ALIGNMENT): Likewise.
3720
3721         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
3722         stack alignment when generating virtual registers.
3723
3724         * function.c (assign_stack_local): Renamed to ...
3725         (assign_stack_local_1): This.  Add a parameter to indicate
3726         if it is OK to reduce alignment.
3727         (assign_stack_local): Use it.
3728         (instantiate_new_reg): Instantiate virtual incoming args rtx
3729         to vDRAP if stack realignment and DRAP is needed.
3730         (assign_parms): Collect parameter/return type alignment and
3731         contribute to stack_alignment_estimated.
3732         (locate_and_pad_parm): Likewise.
3733         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
3734         with crtl->args.internal_arg_pointer.
3735
3736         * function.h (rtl_data): Add new field drap_reg,
3737         max_used_stack_slot_alignment, stack_alignment_estimated,
3738         stack_realign_needed, need_drap, stack_realign_processed and
3739         stack_realign_finalized.
3740         (stack_realign_fp): New macro.
3741         (stack_realign_drap): Likewise.
3742
3743         * global.c (compute_regsets): Frame pointer is needed when
3744         stack is realigned.  Can eliminate frame pointer when stack is
3745         realigned and dynamic realigned argument pointer isn't used.
3746
3747         * reload1.c (update_eliminables):  Frame pointer is needed
3748         when stack is realigned.
3749         (init_elim_table): Can eliminate frame pointer when stack is
3750         realigned and dynamic realigned argument pointer isn't used.
3751
3752         * rtl.h (assign_stack_local_1): Declare new funtion.
3753
3754         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
3755         (TARGET_GET_DRAP_RTX): Likewise.
3756         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
3757         TARGET_GET_DRAP_RTX.
3758
3759         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
3760
3761         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
3762         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
3763
3764 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
3765             H.J. Lu  <hongjiu.lu@intel.com>
3766
3767         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
3768         vdrap_reg, stack_realign and drap_reg_saved.
3769         (add_cfi): Don't allow redefining CFA when DRAP is used.
3770         (reg_save): Handle stack alignment.
3771         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
3772         alignment.  Don't generate DWARF information for (set fp sp)
3773         when DRAP is used.
3774         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
3775         to INVALID_REGNUM.
3776         (int_loc_descriptor): Move prototype forward.  Also define if
3777         DWARF2_UNWIND_INFO is true.
3778         (output_cfa_loc): Handle DW_CFA_expression.
3779         (build_cfa_aligned_loc): New.
3780         (based_loc_descr): Update assert for stack realign.  For local
3781         variables, use sp+offset when stack is aligned without drap and
3782         fp+offset when stack is aligned with drap.  For arguments, use
3783         cfa+offset when drap is used to align stack.
3784
3785 2008-07-30  Joey Ye  <joey.ye@intel.com>
3786             H.J. Lu  <hongjiu.lu@intel.com>
3787
3788         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
3789         Break long line.
3790         (ix86_gen_andsp): New.
3791         (ix86_user_incoming_stack_boundary): Likewise.
3792         (ix86_default_incoming_stack_boundary): Likewise.
3793         (ix86_incoming_stack_boundary): Likewise.
3794         (ix86_can_eliminate): Likewise.
3795         (find_drap_reg): Likewise.
3796         (ix86_update_stack_boundary): Likewise.
3797         (ix86_get_drap_rtx): Likewise.
3798         (ix86_finalize_stack_realign_flags): Likewise.
3799         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
3800         (TARGET_GET_DRAP_RTX): Likewise.
3801         (override_options): Overide option value for new options.
3802         (ix86_function_ok_for_sibcall): Remove check for
3803         force_align_arg_pointer.
3804         (ix86_handle_cconv_attribute): Likewise.
3805         (ix86_function_regparm): Likewise.
3806         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
3807         (ix86_va_start): Replace virtual_incoming_args_rtx with
3808         crtl->args.internal_arg_pointer.
3809         (ix86_select_alt_pic_regnum): Check DRAP register.
3810         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
3811         (ix86_compute_frame_layout): Compute frame layout wrt stack
3812         realignment.
3813         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
3814         (ix86_expand_prologue): Decide if stack realignment is needed
3815         and generate prologue code accordingly.
3816         (ix86_expand_epilogue): Generate epilogue code wrt stack
3817         realignment is really needed or not.
3818         
3819         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
3820         (ABI_STACK_BOUNDARY): Likewise.
3821         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
3822         (STACK_REALIGN_DEFAULT): Likewise.
3823         (INCOMING_STACK_BOUNDARY): Likewise.
3824         (MAX_STACK_ALIGNMENT): Likewise.
3825         (ix86_incoming_stack_boundary): Likewise.
3826         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
3827         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
3828         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
3829         (machine_function): Remove force_align_arg_pointer.
3830
3831         * config/i386/i386.md (BX_REG): New.
3832         (R13_REG): Likewise.
3833
3834         * config/i386/i386.opt (mforce_drap): New.
3835         (mincoming-stack-boundary): Likewise.
3836         (mstackrealign): Add Init(-1).
3837
3838         * config/i386/i386-protos.h (ix86_can_eliminate): New
3839
3840 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
3841
3842         * doc/extend.texi: Update force_align_arg_pointer.
3843
3844         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
3845         -mstackrealign.
3846
3847         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
3848         (INCOMING_STACK_BOUNDARY): Likewise.
3849         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
3850         (TARGET_GET_DRAP_RTX): Likewise.
3851
3852 2008-07-30  Andreas Schwab  <schwab@suse.de>
3853
3854         PR rtl-optimization/36929
3855         * dse.c (replace_inc_dec): Use emit_insn_before instead of
3856         add_insn_before and fix argument order.
3857         (replace_inc_dec_mem): Handle NULL rtx.
3858
3859 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
3860
3861         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
3862         function.
3863         (arm_compute_initial_elimination_offset): Use it.
3864         (arm_compute_save_reg_mask): Include static chain save slot when
3865         calculating alignment.
3866         (arm_get_frame_offsets): Ditto.
3867         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
3868         that we can use to decrement the stack when the stack decrement
3869         could be too big for an immediate value in a single insn.
3870         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
3871
3872 2008-07-30  Richard Guenther  <rguenther@suse.de>
3873
3874         PR tree-optimization/36967
3875         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
3876         Release defs of statements we remove.
3877
3878 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3879
3880         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
3881         instead of NULL_RTVEC.
3882
3883 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
3884
3885         PR target/35866
3886
3887         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
3888         vector modes.
3889
3890 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
3891
3892         * final.c (call_from_call_insn): New.
3893         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
3894
3895 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
3896
3897         * configure.ac: Substitute ADA_CFLAGS.
3898         * configure: Regenerate.
3899         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
3900         * Makefile.in: Remove mention of X_* variables.
3901         * config/pa/x-ada-hpux10: Remove.
3902         * config/pa/x-ada: Remove.
3903
3904         * doc/fragments.texi: Update.
3905
3906 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3907
3908         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
3909         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
3910         __dso_handle explicitly here.
3911
3912 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3913
3914         PR 34389
3915         * c-typeck.c (build_binary_op): Encapsulate code into...
3916         * c-common.c (shorten_binary_op): ...this new function.
3917         (conversion_warning): Use the new function. Handle non-negative
3918         constant in bitwise-and.
3919         * c-common.h (shorten_binary_op): Declare.
3920
3921 2008-07-30  Olivier Hainque  <hainque@adacore.com>
3922
3923         * scan.c (make_sstring_space): Add explicit conversions of
3924         allocator's return value.
3925         * fix-header.c (recognized_function): Likewise.
3926
3927 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3928
3929         * doc/cpp.texi: Update to GFDL 1.2.
3930         * doc/gcc.texi: Do not list GPL as Invariant Section.
3931         * doc/gccint.texi: Likewise.  Update copyright years.
3932         * doc/install.texi: Update copyright years.
3933
3934 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
3935
3936         PR target/36955
3937         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
3938         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
3939
3940 2008-07-29  Jan Hubicka  <jh@suse.cz>
3941
3942         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
3943         (grokdeclarator): Likewise.
3944         * langhooks.c (lhd_warn_unused_global_decl): Use
3945         DECL_DECLARED_INLINE_P.
3946         * print-tree.c (print_node): Remove DECL_INLINE check.
3947
3948 2008-07-29  Richard Guenther  <rguenther@suse.de>
3949
3950         PR tree-optimization/36945
3951         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
3952         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
3953         Record invariant addresses un-decomposed.
3954         (copy_reference_ops_from_call): Record reference call
3955         arguments properly.  Simplify.
3956         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
3957         helper split out from ...
3958         (create_component_ref_by_pieces): ... here.  Simplify.
3959         Prepare for recursive invocation for call arguments.
3960         (create_expression_by_pieces): Adjust call to
3961         create_component_ref_by_pieces.
3962         (compute_avail): Process operand 2 of reference ops.
3963
3964 2008-07-29  Richard Guenther  <rguenther@suse.de>
3965
3966         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
3967
3968 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
3969
3970         * c-format.c (check_format_types): Revert unwanted checkin.
3971
3972 2008-07-29  Jan Hubicka  <jh@suse.cz>
3973
3974         * flags.h (flag_really_no_inline): Remove.
3975         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
3976         * toplev.c (flag_really_no_inline): Remove.
3977         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
3978         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
3979         (cgraph_decide_inlining_incrementally): Likewise.
3980         (compute_inline_parameters): Likewise.
3981         * opts.c (decode_options): Simplify.
3982         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
3983         * common.opt (finline): Initialize to 1.
3984         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
3985
3986 2008-07-29  Jan Hubicka  <jh@suse.cz>
3987
3988         * predict.c (always_optimize_for_size_p): New function.
3989         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
3990         optimize_edge_for_size_p, optimize_edge_for_speed_p,
3991         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
3992         functions.
3993         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
3994         * function.c (prepare_function_start): Set default profile.
3995         * function.h (rtl_data): Add maybe_hot_insn_p.
3996         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
3997         (construct_exit_block): Likewise.
3998         (tree_expand_cfg): Likewise.
3999         * basic-block.h
4000         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
4001         optimize_edge_for_size_p, optimize_edge_for_speed_p,
4002         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
4003         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
4004         Declare.
4005
4006 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4007
4008         PR 34985
4009         * c-decl.c (merge_decls): Merge USED flags.
4010
4011 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
4012
4013         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
4014         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
4015         next_stack, lab_false and lab_over trees.
4016
4017 2008-07-28  Richard Guenther  <rguenther@suse.de>
4018
4019         PR tree-optimization/36957
4020         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
4021         (useless_type_conversion_p): Remove.
4022         (types_compatible_p): Remove.
4023         * gimple.h (tree_ssa_useless_type_conversion): Declare.
4024         (useless_type_conversion_p): Declare.
4025         (types_compatible_p): Declare.
4026         (gimple_expr_type): Return the base type only if it is
4027         trivially convertible to the subtype.
4028
4029 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
4030
4031         * configure.ac: Use the m4_do macro to concatenate the warnings into
4032         one string in ACX_PROG_CC_WARNING_OPTS,
4033         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
4034         * configure: Regenerate.
4035
4036 2008-07-28  Richard Guenther  <rguenther@suse.de>
4037
4038         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
4039         (insert_fake_stores): Remove.
4040         (realify_fake_stores): Likewise.
4041         (execute_pre): Remove dead code.
4042         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
4043         (find_func_aliases): Deal with it here instead.
4044         Re-enable gcc_unreachable call.
4045
4046 2008-07-28  Richard Guenther  <rguenther@suse.de>
4047
4048         Merge from gimple-tuples-branch.
4049
4050         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
4051         * gimple.def: New file.
4052         * gsstruct.def: Likewise.
4053         * gimple-iterator.c: Likewise.
4054         * gimple-pretty-print.c: Likewise.
4055         * tree-gimple.c: Removed.  Merged into ...
4056         * gimple.c: ... here.  New file.
4057         * tree-gimple.h: Removed.  Merged into ...
4058         * gimple.h: ... here.  New file.
4059
4060         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
4061         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
4062         --enable-checking=gimple flag.
4063         * config.in: Likewise.
4064         * configure: Regenerated.
4065
4066         * tree-ssa-operands.h: Tuplified.
4067         * tree-vrp.c: Likewise.
4068         * tree-loop-linear.c: Likewise.
4069         * tree-into-ssa.c: Likewise.
4070         * tree-ssa-loop-im.c: Likewise.
4071         * tree-dump.c: Likewise.
4072         * tree-complex.c: Likewise.
4073         * cgraphbuild.c: Likewise.
4074         * tree-ssa-threadupdate.c: Likewise.
4075         * tree-ssa-loop-niter.c: Likewise.
4076         * tree-pretty-print.c: Likewise.
4077         * tracer.c: Likewise.
4078         * gengtype.c: Likewise.
4079         * tree-loop-distribution.c: Likewise.
4080         * tree-ssa-loop-unswitch.c: Likewise.
4081         * cgraph.c: Likewise.
4082         * cgraph.h: Likewise.
4083         * tree-ssa-loop-manip.c: Likewise.
4084         * value-prof.c: Likewise.
4085         * tree-ssa-loop-ch.c: Likewise.
4086         * tree-tailcall.c: Likewise.
4087         * value-prof.h: Likewise.
4088         * tree.c: Likewise.
4089         * tree.h: Likewise.
4090         * tree-pass.h: Likewise.
4091         * ipa-cp.c: Likewise.
4092         * tree-scalar-evolution.c: Likewise.
4093         * tree-scalar-evolution.h: Likewise.
4094         * target.h: Likewise.
4095         * lambda-mat.c: Likewise.
4096         * tree-phinodes.c: Likewise.
4097         * diagnostic.h: Likewise.
4098         * builtins.c: Likewise.
4099         * tree-ssa-alias-warnings.c: Likewise.
4100         * cfghooks.c: Likewise.
4101         * fold-const.c: Likewise.
4102         * cfghooks.h: Likewise.
4103         * omp-low.c: Likewise.
4104         * tree-ssa-dse.c: Likewise.
4105         * ipa-reference.c: Likewise.
4106         * tree-ssa-uncprop.c: Likewise.
4107         * toplev.c: Likewise.
4108         * tree-gimple.c: Likewise.
4109         * tree-gimple.h: Likewise.
4110         * tree-chrec.c: Likewise.
4111         * tree-chrec.h: Likewise.
4112         * tree-ssa-sccvn.c: Likewise.
4113         * tree-ssa-sccvn.h: Likewise.
4114         * cgraphunit.c: Likewise.
4115         * tree-ssa-copyrename.c: Likewise.
4116         * tree-ssa-ccp.c: Likewise.
4117         * tree-ssa-loop-ivopts.c: Likewise.
4118         * tree-nomudflap.c: Likewise.
4119         * tree-call-cdce.c: Likewise.
4120         * ipa-pure-const.c: Likewise.
4121         * c-format.c: Likewise.
4122         * tree-stdarg.c: Likewise.
4123         * tree-ssa-math-opts.c: Likewise.
4124         * tree-ssa-dom.c: Likewise.
4125         * tree-nrv.c: Likewise.
4126         * tree-ssa-propagate.c: Likewise.
4127         * ipa-utils.c: Likewise.
4128         * tree-ssa-propagate.h: Likewise.
4129         * tree-ssa-alias.c: Likewise.
4130         * gimple-low.c: Likewise.
4131         * tree-ssa-sink.c: Likewise.
4132         * ipa-inline.c: Likewise.
4133         * c-semantics.c: Likewise.
4134         * dwarf2out.c: Likewise.
4135         * expr.c: Likewise.
4136         * tree-ssa-loop-ivcanon.c: Likewise.
4137         * predict.c: Likewise.
4138         * tree-ssa-loop.c: Likewise.
4139         * tree-parloops.c: Likewise.
4140         * tree-ssa-address.c: Likewise.
4141         * tree-ssa-ifcombine.c: Likewise.
4142         * matrix-reorg.c: Likewise.
4143         * c-decl.c: Likewise.
4144         * tree-eh.c: Likewise.
4145         * c-pretty-print.c: Likewise.
4146         * lambda-trans.c: Likewise.
4147         * function.c: Likewise.
4148         * langhooks.c: Likewise.
4149         * ebitmap.h: Likewise.
4150         * tree-vectorizer.c: Likewise.
4151         * function.h: Likewise.
4152         * langhooks.h: Likewise.
4153         * tree-vectorizer.h: Likewise.
4154         * ipa-type-escape.c: Likewise.
4155         * ipa-type-escape.h: Likewise.
4156         * domwalk.c: Likewise.
4157         * tree-if-conv.c: Likewise.
4158         * profile.c: Likewise.
4159         * domwalk.h: Likewise.
4160         * tree-data-ref.c: Likewise.
4161         * tree-data-ref.h: Likewise.
4162         * tree-flow-inline.h: Likewise.
4163         * tree-affine.c: Likewise.
4164         * tree-vect-analyze.c: Likewise.
4165         * c-typeck.c: Likewise.
4166         * gimplify.c: Likewise.
4167         * coretypes.h: Likewise.
4168         * tree-ssa-phiopt.c: Likewise.
4169         * calls.c: Likewise.
4170         * tree-ssa-coalesce.c: Likewise.
4171         * tree.def: Likewise.
4172         * tree-dfa.c: Likewise.
4173         * except.c: Likewise.
4174         * except.h: Likewise.
4175         * cfgexpand.c: Likewise.
4176         * tree-cfgcleanup.c: Likewise.
4177         * tree-ssa-pre.c: Likewise.
4178         * tree-ssa-live.c: Likewise.
4179         * tree-sra.c: Likewise.
4180         * tree-ssa-live.h: Likewise.
4181         * tree-predcom.c: Likewise.
4182         * lambda.h: Likewise.
4183         * tree-mudflap.c: Likewise.
4184         * ipa-prop.c: Likewise.
4185         * print-tree.c: Likewise.
4186         * tree-ssa-copy.c: Likewise.
4187         * ipa-prop.h: Likewise.
4188         * tree-ssa-forwprop.c: Likewise.
4189         * ggc-page.c: Likewise.
4190         * c-omp.c: Likewise.
4191         * tree-ssa-dce.c: Likewise.
4192         * tree-vect-patterns.c: Likewise.
4193         * tree-ssa-ter.c: Likewise.
4194         * tree-nested.c: Likewise.
4195         * tree-ssa.c: Likewise.
4196         * lambda-code.c: Likewise.
4197         * tree-ssa-loop-prefetch.c: Likewise.
4198         * tree-inline.c: Likewise.
4199         * tree-inline.h: Likewise.
4200         * tree-iterator.c: Likewise.
4201         * tree-optimize.c: Likewise.
4202         * tree-ssa-phiprop.c: Likewise.
4203         * tree-vect-transform.c: Likewise.
4204         * tree-object-size.c: Likewise.
4205         * tree-outof-ssa.c: Likewise.
4206         * cfgloop.c: Likewise.
4207         * system.h: Likewise.
4208         * tree-profile.c: Likewise.
4209         * cfgloop.h: Likewise.
4210         * c-gimplify.c: Likewise.
4211         * c-common.c: Likewise.
4212         * tree-vect-generic.c: Likewise.
4213         * tree-flow.h: Likewise.
4214         * c-common.h: Likewise.
4215         * basic-block.h: Likewise.
4216         * tree-ssa-structalias.c: Likewise.
4217         * tree-switch-conversion.c: Likewise.
4218         * tree-ssa-structalias.h: Likewise.
4219         * tree-cfg.c: Likewise.
4220         * passes.c: Likewise.
4221         * ipa-struct-reorg.c: Likewise.
4222         * ipa-struct-reorg.h: Likewise.
4223         * tree-ssa-reassoc.c: Likewise.
4224         * cfgrtl.c: Likewise.
4225         * varpool.c: Likewise.
4226         * stmt.c: Likewise.
4227         * tree-ssanames.c: Likewise.
4228         * tree-ssa-threadedge.c: Likewise.
4229         * langhooks-def.h: Likewise.
4230         * tree-ssa-operands.c: Likewise.
4231         * config/alpha/alpha.c: Likewise.
4232         * config/frv/frv.c: Likewise.
4233         * config/s390/s390.c: Likewise.
4234         * config/m32c/m32c.c: Likewise.
4235         * config/m32c/m32c-protos.h: Likewise.
4236         * config/spu/spu.c: Likewise.
4237         * config/sparc/sparc.c: Likewise.
4238         * config/i386/i386.c: Likewise.
4239         * config/sh/sh.c: Likewise.
4240         * config/xtensa/xtensa.c: Likewise.
4241         * config/stormy16/stormy16.c: Likewise.
4242         * config/ia64/ia64.c: Likewise.
4243         * config/rs6000/rs6000.c: Likewise.
4244         * config/pa/pa.c: Likewise.
4245         * config/mips/mips.c: Likewise.
4246
4247 2008-07-28  Simon Baldwin  <simonb@google.com>
4248
4249         * c-pragma.c (handle_pragma_message): New function.
4250         (init_pragma): Register handle_pragma_message.
4251         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
4252         documentation.
4253
4254 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
4255
4256         PR tree-optimization/35252
4257         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
4258         REALPART_EXPR to be considered as same load operation.
4259
4260 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
4261
4262         PR tree-optimization/36830
4263         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
4264         (expressions_equal_p): Return false if only one operand is null.
4265
4266 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
4267
4268         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
4269         version requirements.
4270
4271 2008-07-26  Olivier Hainque  <hainque@adacore.com>
4272
4273         * collect2.c (symkind): New enum.  Symbol kinds we care about.
4274         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
4275         code and head comment accordingly.
4276         (scan_prog_file): Use symkind names instead of bare integers.
4277
4278 2008-07-25  Jan Hubicka  <jh@suse.cz>
4279
4280         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
4281         DECL_INLINE.
4282         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
4283         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
4284         * dojump.c (clear_pending_stack_adjust): Likewise.
4285         * print-tree.c (print_node): Ignore DECL_INLINE.
4286         * tree-inline.c (inlinable_function_p): Likewise.
4287
4288 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
4289
4290         * doc/extend.texi (hot attribute): Document that the hot attribute
4291         turns on -O3 for some ports.
4292         (cold attribute): Document that the cold attribute turns on -Os
4293         for some ports
4294
4295         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
4296         reflect function specific option support.
4297
4298         * target.h (struct target_option_hooks): Add fields to say whether
4299         the cold attribute implies -Os and the hot attribute implies -O3.
4300
4301         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
4302         By default, do not turn on -Os for cold functions.
4303         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
4304         not turn on -O3 for hot functions.
4305
4306         * c-common.c (handle_hot_attribute): Use target hook to determine
4307         if hot functions should enable -O3.
4308         (handle_cold_attribute): Use target hook to determine if cold
4309         functions should enable -Os.
4310
4311         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
4312         (override_options): Move disable scheduling to
4313         optimization_options.
4314         (optimization_options): Disable scheduling here, not
4315         override_options.
4316         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4317         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4318
4319         * config/ia64/ia64.c (ia64_override_options): Move setting
4320         scheduling flags to ia64_optimization_options.
4321         (ia64_optimization_options): Disable scheduling options here, and
4322         not in ia64_override_options.
4323         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4324         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
4325
4326 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
4327
4328         PR target/36936
4329         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
4330
4331 2008-07-25  Martin Jambor  <mjambor@suse.cz>
4332
4333         PR tree-optimization/36926
4334         * ipa-prop.c (ipa_analyze_call_uses): Call
4335         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
4336
4337 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
4338
4339         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4340         movv2si_internal): Add mem = reg alternative.
4341
4342 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
4343
4344         PR bootstrap/36918
4345         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
4346         DEFAULT_PCC_STRUCT_RETURN to 127.
4347
4348 2008-07-24  Jan Hubicka  <jh@suse.cz>
4349
4350         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
4351         (build_cgraph_edges): Likewise.
4352         * cgraph.c (cgraph_node): Do not update assembler hash.
4353         (cgraph_remove_node): Drop non-unit-at-a-time code.
4354         * tree-pass.h (pass_O0_always_inline): Remove.
4355         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
4356         * toplev.c (process_options): Flag unit-at-a-time does not imply
4357         no section anchors.
4358         * cgraphunit.c: Update comments.
4359         (decide_is_function_needed): Drop non-unit-at-a-time mode.
4360         (cgraph_assemble_pending_functions): Remove.
4361         (cgraph_reset_node): Drop non-unit-at-a-time code.
4362         (cgraph_finalize_function): Likewise.
4363         (cgraph_analyze_function): Likewise.
4364         (cgraph_finalize_compilation_unit): Likewise.
4365         (cgraph_expand_function): Likewise.
4366         (cgraph_optimize): Likesise.
4367         (save_inline_function_body): Likewise.
4368         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
4369         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
4370         * ipa-inline.c: Update comments.
4371         (enum inlining_mode): remove INLINE_SPEED.
4372         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
4373         (cgraph_mark_inline_edge): Likewise.
4374         (try_inline): Likewise.
4375         (cgraph_decide_inlining_incrementally): Likewise.
4376         (cgraph_gate_inlining): Remove.
4377         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
4378         (cgraph_gate_early_inlining): Likewise.
4379         (gate_inline_passes): Remove.
4380         (pass_inline_parameters, pass_ipa_inline): Remove gates.
4381         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
4382         pass_O0_always_inline): Remove.
4383         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
4384         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
4385         * opts.c (no_unit_at_a_time_default): Remove.
4386         (decode_options): Remove flag_unit_at_a_time reset and warning.
4387         * opts.h (no_unit_at_a_time_default): Remove.
4388         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
4389         early in GNU dialect.
4390         (merge_decls): Update comment; drop unit-at-a-time check.
4391         (finish_decl): Likewise.
4392         (grok_declaration): Remove flag_inline_trees code.
4393         (finish_functions): Return on function returning non-void on all
4394         statics.
4395         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
4396         * cfgexpand.c (expand_one_static_var): Remove.
4397         (expand_one_var): Remove expand_one_static_var call.
4398         (expand_used_vars_for_block): Remove flag_unit_a_time check.
4399         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
4400         and flag_unit_at_a-time compatibility checks.
4401         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
4402         * tree-inline.c (flag_inline_trees): Remove.
4403         (inlinable_function_p): Don't check it.
4404         (expand_call_inline): Remove non-unit-at-a-time code.
4405         * tree-inline.h (flag_inline_trees): Remove.
4406         * tree-optimize.c (execute_early_local_optimizations): Remove
4407         unit-at-a-time checks.
4408         (tree_rest_of_compilation): Likewise.
4409         * combine.c (setup_incoming_promotions): Likewise.
4410         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
4411         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
4412         * passes.c (pass_inline_parameters): Update comments; remove
4413         O0_alwaysinline pass.
4414         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
4415         (execute_one_pass): Likewise.
4416         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
4417         (ix86_function_sseregparm): Likewise.
4418         * arm.c (arm_function_in_section_p): Likewise.
4419         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
4420         * varpool.c: Update comments.
4421         (decide_is_variable_needed): Remove unit-at-a-time checks.
4422         (varpool_finalize_decl): Likewise.
4423
4424 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
4425
4426         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
4427         to 2 instead of -1.
4428         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
4429
4430 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
4431
4432         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
4433         imp symbol extension.
4434
4435         2008-07-23  Ian Lance Taylor  <iant@google.com>
4436
4437         * tree-vrp.c (infer_value_range): Ignore asm statements when
4438         looking for memory accesses for -fdelete-null-pointer-checks.
4439
4440 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4441
4442         * config/spu/spu-c.c (__vector_keyword): New variable.
4443         (vector_keyword): Likewise.
4444         (spu_categorize_keyword): New function.
4445         (spu_macro_to_expand): Likewise.
4446         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
4447         compiling an ISO C dialect.
4448
4449 2008-07-24  Ben Elliston  <bje@au.ibm.com>
4450
4451         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
4452         conventional usage.
4453
4454 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
4455
4456         * configure: Regenerate.
4457         * configure.ac: Require texinfo 4.7.
4458         * doc/install.texi: Document texinfo 4.7 requirement.
4459
4460 2008-07-23  Martin Jambor  <mjambor@suse.cz>
4461
4462         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
4463         rather than for DECL_SAVED_TREE.
4464         * ipa-prop.c: Include diagnostic.h.
4465         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
4466         thoroughly.
4467         (ipa_detect_param_modifications): Function rewritten from scratch.
4468         (ipa_compute_jump_functions): Changed accesses to modification flags.
4469         (ipa_free_node_params_substructures): Update flags destruction.
4470         (ipa_node_duplication_hook): Update flags duplication.
4471         (ipa_print_all_params_modified): Updated flag access.
4472         * ipa-prop.h (struct ipa_param_flags): New structure.
4473         (struct ipa_node_params): New field modification_analysis_done,
4474         modified_flags changed into param_flags.
4475         (ipa_is_ith_param_modified): Changed to use new flags.
4476         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
4477
4478         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
4479         ipa-cp.c and split into two functions.
4480         (ipa_print_node_jump_functions): New function.
4481         (compute_scalar_jump_functions): New function.
4482         (type_like_member_ptr_p): New function.
4483         (compute_pass_through_member_ptrs): New function.
4484         (fill_member_ptr_cst_jump_function): New function.
4485         (determine_cst_member_ptr): New function.
4486         (compute_cst_member_ptr_arguments): New function.
4487         (ipa_compute_jump_functions): Complete rewrite.
4488         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
4489         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
4490         (struct ipa_member_ptr_cst): New structure.
4491         (union jump_func_value): New field member_cst.
4492         * ipa-cp.c (ipcp_lat_is_insertable): New function.
4493         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
4494         jump function types.
4495         (ipcp_print_all_lattices): Slight fprintf rearrangement.
4496         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
4497         instead of ipcp_print_all_jump_functions.
4498         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
4499         only for replacable scalars.
4500
4501         * doc/invoke.texi (Optimize options): Add description of
4502         -findirect-inlining.
4503         * common.opt (flag_indirect_inlining): New flag.
4504         * opts.c (decode_options): Set flag_indirect_inlining when
4505         optimize >= 3.
4506
4507         * ipa-inline.c: Include ipa-prop.h.
4508         (inline_indirect_intraprocedural_analysis): New function.
4509         (inline_generate_summary): Allocate parameter and argument info
4510         structures, call inline_indirect_intraprocedural_analysis on each
4511         node when doing indirect inlining and deallocate indirect inlining
4512         data structures in the end.
4513         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
4514         (free_all_ipa_structures_after_iinln): New function.
4515         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
4516         done.
4517         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
4518
4519         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
4520         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4521         of computing the frequency separately.
4522         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
4523         of computing the frequency separately.
4524         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
4525         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
4526         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
4527         (ipa_get_stmt_member_ptr_load_param): New function.
4528         (ipa_is_ssa_with_stmt_def): New function.
4529         (ipa_note_param_call): New function.
4530         (ipa_analyze_call_uses): New function.
4531         (ipa_analyze_stmt_uses): New function.
4532         (ipa_analyze_params_uses): New function.
4533         (ipa_free_node_params_substructures): Also free the param_calls linked
4534         list.
4535         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
4536         (ipa_print_node_param_flags): New function.
4537         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
4538         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
4539         * ipa-prop.h (struct ipa_param_flags): New field called.
4540         (struct ipa_param_call_note): New structure.
4541         (struct ipa_node_params): New fields param_calls and
4542         uses_analysis_done.
4543         (ipa_is_ith_param_called): New function.
4544         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
4545         ipa_analyze_params_uses and dump parameter flags.
4546
4547         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
4548         ipa_propagate_indirect_call_infos if performing indirect inlining,
4549         pass a new parameter new_edges to it.
4550         (add_new_edges_to_heap): New fucntion.
4551         (cgraph_decide_inlining_of_small_functions): New vector
4552         new_indirect_edges for newly found indirect edges , call
4553         ipa_propagate_indirect_call_infos after inlining.
4554         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
4555         inlining if performing indirect inlining.  Call
4556         free_all_ipa_structures_after_iinln when doing so too.
4557         (inline_generate_summary): Do not call
4558         free_all_ipa_structures_after_iinln here.
4559         * ipa-prop.c (update_jump_functions_after_inlining): New function.
4560         (print_edge_addition_message): New function.
4561         (update_call_notes_after_inlining): New function.
4562         (propagate_info_to_inlined_callees): New function.
4563         (ipa_propagate_indirect_call_infos): New function.
4564         * ipa-prop.h: Include cgraph.h
4565         (struct ipa_param_call_note): Fields reordered, new field processed.
4566         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
4567         flag indirect_call.
4568         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
4569         rediscovered call statements.
4570         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
4571         (dump_cgraph_node): Dump also the indirect_call flag.
4572         (cgraph_clone_edge): Copy also the indirect_call flag.
4573         * tree-inline.c (copy_bb): Do not check for fndecls from call
4574         expressions, check for edge availability when moving clones.
4575         (get_indirect_callee_fndecl): New function.
4576         (expand_call_inline): If callee declaration is not apprent from
4577         the statement, try calling get_indirect_callee_fndecl.  Do not
4578         issue warnings or call sorry when not inlinings an indirect edge.
4579         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
4580
4581         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
4582         bit more frandly to matching.
4583         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
4584         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
4585         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
4586
4587 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4588
4589         PR 36907
4590         * opth-gen.awk: Suppress function specific features when building
4591         target libraries.
4592         * optc-gen.awk: Ditto.
4593
4594 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4595
4596         PR 35058
4597         * diagnostic.c (pedwarn): Add opt parameter.
4598         (pedwarn0): New.
4599         * c-tree.h (pedwarn_init): Add opt parameter.
4600         (pedwarn_c90): Likewise.
4601         (pedwarn_c99): Likewise.
4602         * c-errors.c (pedwarn_c99): Likewise.
4603         (pedwarn_c90): Likewise.
4604         * toplev.h (pedwarn): Update declaration.
4605         (pedwarn0): Declare.
4606         * c-lex.c: All calls to pedwarn changed.
4607         * builtins.c: All calls to pedwarn changed.
4608         * toplev.c: All calls to pedwarn changed.
4609         * c-decl.c: All calls to pedwarn changed.
4610         * c-typeck.c: All calls to pedwarn changed.
4611         * c-common.c: All calls to pedwarn changed.
4612         * c-parser.c: All calls to pedwarn changed.
4613
4614 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4615             Karthik Kumar  <karthikkumar@gmail.com>
4616
4617         * attribs.c (file scope): Include c-common.h.
4618         (decl_attributes): Add support for #pragma GCC optimize and
4619         #pragma GCC option.
4620
4621         * targhooks.c (default_can_inline_p): New function that is the
4622         default for the TARGET_CAN_INLINE_P target hook.
4623
4624         * targhooks.h (default_can_inline_p): Add declaration.
4625
4626         * tree.c (cl_optimization_node): New static tree for building
4627         OPTIMIZATION_NODE tree.
4628         (cl_target_option_node): New static tree for building
4629         TARGET_OPTION_NODE tree.
4630         (cl_option_hash_table): New hash table for hashing
4631         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4632         (cl_option_hash_hash): New function to provide the hash value for
4633         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4634         (cl_option_hash_eq): New function to provide an equality test for
4635         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
4636         (tree_code_size): Add support for OPTIMIZATION_NODE and
4637         TARGET_OPTION_NODE trees.
4638         (tree_code_structure): Add support for OPTIMIZATION_NODE and
4639         TARGET_OPTION_NODE trees.
4640         (build_optimization_node): Build a tree that has all of the
4641         current optimization options.
4642         (build_target_option_node): Build a tree that has the target
4643         options that might be changed on a per function basis.
4644
4645         * tree.h (file scope): Include options.h.
4646         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
4647         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4648         (TREE_OPTIMIZATION): Ditto.
4649         (TREE_TARGET_SPECIFIC): Ditto.
4650         (struct tree_function_decl): Add fields for remembering the
4651         current optimization options and target specific options.
4652         (struct tree_optimization_option): New tree variant that remembers
4653         the optimization options.
4654         (struct tree_target_option): New tree variant that remembers the
4655         target specific flags that might change for compiling a particular
4656         function.
4657         (union tree_node): Include tree_optimization_option and
4658         tree_target_option fields.
4659         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
4660         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
4661         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
4662         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
4663         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
4664         optimization and target options.
4665         (optimization_default_node): New macro to refer to global_trees
4666         field.
4667         (optimization_current_node): Ditto.
4668         (optimization_cold_node): Ditto.
4669         (optimization_hot_node): Ditto.
4670         (target_option_default_node): Ditto.
4671         (target_option_current_node): Ditto.
4672         (current_option_pragma): Ditto.
4673         (current_optimize_pragma): Ditto.
4674
4675         * target.h (struct gcc_target): Add valid_option_attribute_p,
4676         target_option_save, target_option_restore, target_option_print,
4677         target_option_pragma_parse, and can_inline_p hooks.
4678
4679         * toplev.h (parse_optimize_options): Add declaration.
4680         (fast_math_flags_struct_set_p): Ditto.
4681
4682         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
4683         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
4684         optimize is used.
4685
4686         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
4687         tree_can_inline_p hook to see if one function can inline another.
4688         (cgraph_decide_inlining): Ditto.
4689         (cgraph_decide_inlining_incrementally): Ditto.
4690
4691         * opts.c (decode_options): Add support for running multiple times
4692         to allow functions with different target or optimization options
4693         than was specified on the command line.
4694         (fast_math_flags_struct_set_p): New function that is similar to
4695         fast_math_flags_set_p, except it uses the values in the
4696         cl_optimization structure instead of global variables.
4697
4698         * optc-gen.awk: Add support for TargetSave to allow a back end to
4699         declare new fields that need to be saved when using function
4700         specific options.  Include flags.h and target.h in the options.c
4701         source.  Add support for Save to indicate which options can be set
4702         for individual functions.  Generate cl_optimize_save,
4703         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
4704         cl_target_option_restore, cl_target_option_print functions to
4705         allow functions to use different optimization or target options.
4706
4707         * opt-functions.awk (var_type_struct): Return the type used for
4708         storing the field in a structure.
4709
4710         * opth-gen.awk: Add support for TargetSave to allow a back end to
4711         declare new fields that need to be saved when using function
4712         specific options.  Add support for Save to indicate which options
4713         can be set for individual functions.  Only generate one extern for
4714         Mask fields.  Generate cl_optimization and cl_target_option
4715         structures to remember optimization and target options.
4716
4717         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
4718         collecting new tree nodes.
4719         (TS_TARGET_OPTION): Ditto.
4720
4721         * c-decl.c (merge_decls): Merge function specific target and
4722         optimization options.
4723
4724         * function.c (invoke_set_current_function_hook): If the function
4725         uses different optimization options, change the global variables
4726         to reflect this.
4727
4728         * coretypes.h (struct cl_optimization): Add forward reference.
4729         (struct cl_target_option): Ditto.
4730
4731         * c-pragma.c (option_stack): New static vector to remember the
4732         current #pragma GCC option stack.
4733         (handle_pragma_option): New function to support #pragma GCC option
4734         to change target options.
4735         (optimize_stack): New static vector to remember the current
4736         #pragma GCC optimize stack.
4737         (handle_pragma_optimize): New function to support #pragma GCC
4738         optimize to change optimization options.
4739         (init_pragma): Add support for #pragma GCC optimize and #pragma
4740         GCC option.
4741
4742         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
4743         optimization options.
4744         (TARGET_OPTION_NODE): New tree code for remembering certain target
4745         options.
4746
4747         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
4748         TARGET_OPTION_NODE trees.
4749
4750         * common.opt (-O): Add Optimization flag.
4751         (-Os): Ditto.
4752         (-fmath-errno): Ditto.
4753         (-falign-functions): Add UInteger flag to make sure flag gets full
4754         int in cl_optimization structure.
4755         (-falign-jumps): Ditto.
4756         (-falign-labels): Ditto.
4757         (-falign-loops): Ditto.
4758         (-fsched-stalled-insns): Ditto.
4759         (-fsched-stalled-insns-dep): Ditto.
4760
4761         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
4762         definition.
4763         (TARGET_OPTION_SAVE): Ditto.
4764         (TARGET_OPTION_RESTORE): Ditto.
4765         (TARGET_OPTION_PRINT): Ditto.
4766         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4767         (TARGET_CAN_INLINE_P): Ditto.
4768         (TARGET_INITIALIZER): Add new hooks.
4769
4770         * tree-inline.c (tree_can_inline_p): New function to determine
4771         whether one function can inline another.  Check if the functions
4772         use compatible optimization options, and also call the backend
4773         can_inline_p hook.
4774
4775         * tree-inline.h (tree_can_inline_p): Add declaration.
4776
4777         * c-common.c (c_common_attribute): Add support for option and
4778         optimize attributes.
4779         (handle_option_attribute): Add support for the option attribute to
4780         allow the user to specify different target options for compiling a
4781         specific function.
4782         (handle_optimize_attribute): Add support for the optimize
4783         attribute to allow the user to specify different optimization
4784         options for compiling a specific function.
4785         (handle_hot_attribute): Turn on -O3 optimization for this one
4786         function if it isn't the default optimization level.
4787         (handle_cold_attribute): Turn on -Os optimization for this one
4788         function if it insn't the default optimization.
4789         (const_char_p): New const char * typedef.
4790         (optimize_args): New static vector to remember the optimization
4791         arguments.
4792         (parse_optimize_options): New function to set up the optimization
4793         arguments from either the optimize attribute or #pragma GCC optimize.
4794
4795         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
4796         (builtin_define_std): Ditto.
4797
4798         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
4799         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
4800         (x86_64-*-*): Ditto.
4801
4802         * Makefile.in (TREE_H): Add options.h.
4803         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
4804
4805         * doc/extend.texi (option attribute): Document new attribute.
4806         (optimize attribute): Ditto.
4807         (hot attribute): Document hot attribute sets -O3.
4808         (cold attribute): Document cold attribute sets -Os.
4809         (#pragma GCC option): Document new pragma.
4810         (#pragma GCC optimize): Ditto.
4811
4812         * doc/options.texi (TargetSave): Document TargetSave syntax.
4813         (UInteger): Document UInteger must be used for certain flags.
4814         (Save): Document Save option to create target specific options
4815         that can be saved/restored on a function specific context.
4816
4817         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
4818         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
4819
4820         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
4821         (TARGET_OPTION_SAVE): Ditto.
4822         (TARGET_OPTION_RESTORE): Ditto.
4823         (TARGET_OPTION_PRINT): Ditto.
4824         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
4825         (TARGET_CAN_INLINE_P): Ditto.
4826
4827         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
4828         -mfpmath=sse,387.
4829         (-mfpmath=both): Ditto.
4830
4831 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
4832             Karthik Kumar  <karthikkumar@gmail.com>
4833
4834         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
4835         (TARGET_POPCNT): Ditto.
4836         (TARGET_SAHF): Ditto.
4837         (TARGET_AES): Ditto.
4838         (TARGET_PCLMUL): Ditto.
4839         (TARGET_CMPXCHG16B): Ditto.
4840         (TARGET_RECIP): Move switch into target_flags.
4841         (TARGET_FUSED_MADD): Ditto.
4842         (ix86_arch_features): Make an unsigned char type.
4843         (ix86_tune_features): Ditto.
4844         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
4845         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
4846         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
4847
4848         * config/i386/i386.opt (arch): New TargetSave field to define
4849         fields that need to be saved for function specific option support.
4850         (tune): Ditto.
4851         (fpmath): Ditto.
4852         (branch_cost): Ditto.
4853         (ix86_isa_flags_explicit): Ditto.
4854         (tune_defaulted): Ditto.
4855         (arch_specified): Ditto.
4856         (-m128-long-double): Add Save flag to save option for target
4857         specific option support.
4858         (-m80387): Ditto.
4859         (-maccumulate-outgoing-args): Ditto.
4860         (-malign-double): Ditto.
4861         (-malign-stringops): Ditto.
4862         (-mfancy-math-387): Ditto.
4863         (-mhard-float): Ditto.
4864         (-mieee-fp): Ditto.
4865         (-minline-all-stringops): Ditto.
4866         (-minline-stringops-dynamically): Ditto.
4867         (-mms-bitfields): Ditto.
4868         (-mno-align-stringops): Ditto.
4869         (-mno-fancy-math-387): Ditto.
4870         (-mno-push-args): Ditto.
4871         (-mno-red-zone): Ditto.
4872         (-mpush-args): Ditto.
4873         (-mred-zone): Ditto.
4874         (-mrtd): Ditto.
4875         (-msseregparm): Ditto.
4876         (-mstack-arg-probe): Ditto.
4877         (-m32): Ditto.
4878         (-m64): Ditto.
4879         (-mmmx): Ditto.
4880         (-m3dnow): Ditto.
4881         (-m3dnowa): Ditto.
4882         (-msse): Ditto.
4883         (-msse2): Ditto.
4884         (-msse3): Ditto.
4885         (-msse4.1): Ditto.
4886         (-msse4.2): Ditto.
4887         (-msse4): Ditto.
4888         (-mno-sse4): Ditto.
4889         (-msse4a): Ditto.
4890         (-msse5): Ditto.
4891         (-mrecip): Move flag into target_flags.
4892         (-mcld): Ditto.
4893         (-mno-fused-madd): Ditto.
4894         (-mfused-madd): Ditto.
4895         (-mabm): Move flag into ix86_isa_flags.
4896         (-mcx16): Ditto.
4897         (-mpopcnt): Ditto.
4898         (-msahf): Ditto.
4899         (-maes): Ditto.
4900         (-mpclmul): Ditto.
4901
4902         * config/i386/i386-c.c: New file for #pragma support.
4903         (ix86_target_macros_internal): New function to #define or #undef
4904         target macros based when the user uses the #pragma GCC option to
4905         change target options.
4906         (ix86_pragma_option_parse): New function to add #pragma GCC option
4907         support.
4908         (ix86_target_macros): Move defining the target macros here from
4909         TARGET_CPU_CPP_BUILTINS in i386.h.
4910         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
4911         defined, initialize any subtarget #pragmas.
4912
4913         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
4914         REGISTER_TARGET_PRAGMAS.
4915
4916         * config/i386/t-i386: New file for x86 dependencies.
4917         (i386.o): Make dependencies mirror the include files used.
4918         (i386-c.o): New file, add dependencies.
4919
4920         * config/i386/i386-protos.h (override_options): Add bool argument.
4921         (ix86_valid_option_attribute_tree): Add declaration.
4922         (ix86_target_macros): Ditto.
4923         (ix86_register_macros): Ditto.
4924
4925         * config/i386/i386.c (ix86_tune_features): Move initialization of
4926         the target masks to initial_ix86_tune_features to allow functions
4927         to have different target options.  Make type unsigned char,
4928         instead of unsigned int.
4929         (initial_ix86_tune_features): New static vector to hold processor
4930         masks for the tune variables.
4931         (ix86_arch_features): Move initialization of the target masks to
4932         initial_ix86_arch_features to allow functions to have different
4933         target options.  Make type unsigned char, instead of unsigned int.
4934         (initial_ix86_arch_features): New static vector to hold processor
4935         masks for the arch variables.
4936         (enum ix86_function_specific_strings): New enum to describe the
4937         string options used for attribute((option(...))).
4938         (ix86_target_string): New function to return a string that
4939         describes the target options.
4940         (ix86_debug_options): New function to print the current options in
4941         the debugger.
4942         (ix86_function_specific_save): New function hook to save the
4943         function specific global variables in the cl_target_option structure.
4944         (ix86_function_specific_restore): New function hook to restore the
4945         function specific variables from the cl_target_option structure to
4946         the global variables.
4947         (ix86_function_specific_print): New function hook to print the
4948         target specific options in the cl_target_option structure.
4949         (ix86_valid_option_attribute_p): New function hook to validate
4950         attribute((option(...))) arguments.
4951         (ix86_valid_option_attribute_tree): New function that is common
4952         code between attribute((option(...))) and #pragma GCC option
4953         support that parses the options and returns a tree holding the options.
4954         (ix86_valid_option_attribute_inner_p): New helper function for
4955         ix86_valid_option_attribute_tree.
4956         (ix86_can_inline_p): New function hook to decide if one function
4957         can inline another on a target specific basis.
4958         (ix86_set_current_function); New function hook to switch target
4959         options if the user used attribute((option(...))) or #pragma GCC
4960         option.
4961         (ix86_tune_defaulted): Move to static file scope from
4962         override_options.
4963         (ix86_arch_specified): Ditto.
4964         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
4965         ix86_isa_flags.
4966         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
4967         (OPTION_MASK_ISA_ABM_SET): Ditto.
4968         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
4969         (OPTION_MASK_ISA_CX16_SET): Ditto.
4970         (OPTION_MASK_ISA_SAHF_SET): Ditto.
4971         (OPTION_MASK_ISA_AES_UNSET): Ditto.
4972         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
4973         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
4974         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
4975         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
4976         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
4977         (struct ptt): Move to static file scope from override_options.
4978         (processor_target_table): Ditto.
4979         (cpu_names): Ditto.
4980         (ix86_handle_option): Add support for options that are now isa options.
4981         (override_options): Add support for declaring functions that
4982         support different target options than were specified on the
4983         command line.  Move struct ptt, processor_target_table, cpu_names,
4984         ix86_tune_defaulted, ix86_arch_specified to static file scope.
4985         Add bool argument.  Fix up error messages so the appropriate error
4986         is given for either command line or attribute.
4987         (ix86_previous_fndecl): New static to remember previous function
4988         declaration to see if we need to change target options.
4989         (ix86_builtins_isa): New array to record the ISA of each builtin
4990         function.
4991         (def_builtin): Always create the builtin function, even if the
4992         current ISA doesn't support it.
4993         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
4994         tests for those builtins.
4995         (ix86_init_builtins): Remove TARGET_MMX test for calling
4996         ix86_init_mmx_sse_builtins.
4997         (ix86_expand_builtin): If the current ISA doesn't support a given
4998         builtin, signal an error.
4999         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
5000         (TARGET_SET_CURRENT_FUNCTION): Ditto.
5001         (TARGET_OPTION_SAVE): Ditto.
5002         (TARGET_OPTION_RESTORE): Ditto.
5003         (TARGET_OPTION_PRINT): Ditto.
5004         (TARGET_CAN_INLINE_P): Ditto.
5005
5006 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
5007
5008         * c-typeck.c (build_external_ref): Don't call assemble_external.
5009         * final.c (output_operand): Call assemble_external.
5010
5011 2008-07-21  DJ Delorie  <dj@redhat.com>
5012
5013         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
5014         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5015
5016 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5017
5018         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
5019         original insn and splitter contents into ...
5020         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
5021         flag_unsafe_math_optimizations.  Add dummy scratch register.
5022         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
5023         !flag_unsafe_math_optimizations.  Returns number with next
5024         highest magnitude if this is still less or equal to the true
5025         quotient in magnitude.
5026
5027 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
5028
5029         * Makefile.in: Replace toplev.h with TOPLEV_H.
5030         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
5031         * c-lex.c (fe_file_change): Don't set in_system_header.
5032         * c-parser.c (c_token): Remove in_system_header.
5033         (c_lex_one_token): Don't set in_system_header.
5034         (c_parser_set_source_position_from_token): Don't set in_system_header.
5035         * diagnostic.c (diagnostic_report_diagnostic): Use location from
5036         diagnostic_info.
5037         (warning_at): New.
5038         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
5039         * flags.h (in_system_header): Remove.
5040         * function.c (saved_in_system_header): Remove.
5041         (push_cfun): Don't set in_system_header.
5042         (pop_cfun): Don't set in_system_header.
5043         (push_struct_function): Don't set in_system_header.
5044         * input.h (expanded_location): Add sysp.
5045         (in_system_header_at): New.
5046         (in_system_header): New.
5047         * toplev.c (in_system_header): Remove.
5048         * toplev.h: Include input.h
5049         (warning_at): New.
5050         * tree-cfg.c (execute_warn_function_return): Call warning_at.
5051         * tree-ssa.c (warn_uninit): Call warning_at.
5052         (warn_uninitialized_var): Update calls to warn_uninit.
5053         (warn_uninitialized_phi): Update calls to warn_uninit.
5054         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
5055         (expand_location): Initialize xloc.sysp.
5056         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
5057         (tree_decl_with_vis): Remove in_system_header_flag.
5058
5059 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
5060
5061         PR target/36822
5062         * recog.c (asm_operand_ok): Change the order of the extra
5063         memory constraint checks.
5064
5065 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5066
5067         PR tree-opt/36879
5068         * tree-switch-conversion.c (build_one_array): Call
5069         varpool_mark_needed_node and varpool_finalize_decl
5070         instead of assemble_variable.
5071
5072 2008-07-19  Jan Hubicka  <jh@suse.cz>
5073
5074         * cgraph.c (cgraph_add_new_function): Do early local passes.
5075         * tree-nrv.c (gate_pass_return_slot): New gate.
5076         (pass_nrv): Add the gate.
5077         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
5078         functions.
5079         (coalesce_ssa_name): Coalesce SSA names.
5080         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
5081         not optimizing so unused user vars remains visible.
5082         * common.opt (flag_tree_ter): Always enable by default.
5083         * tree-ssa-ter.c: Include flags.h
5084         (is_replaceable_p): Check that locations match; when aliasing is missing
5085         be conservative about loads.
5086         * tree-optimize.c (gate_init_datastructures): Remove.
5087         (pass_init_datastructures): New.
5088         * passes.c: Reorder passes so we always go into SSA.
5089
5090 2008-07-19  Jan Hubicka  <jh@suse.cz>
5091
5092         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
5093         * doc/invoke.texi (--combine): Likewise.
5094         (-finline-functions-called-once): Update levels when enabled.
5095         (-funit-at-a-time): Document new behaviour.
5096         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
5097         -fno-section-anchors when disabled explicitly.
5098         (inline params): They are not ignored now.
5099         (precompiled headers): Remove unit-at-a-time as being incompatible.
5100         * opts.c (decode_options): Handle unit-at-a-time as alias;
5101         imply -fno-section-anchors when toplevel reorder is disabled
5102         explicitly.
5103         * common.opt (ftoplevel-reorder): Set default value to 2.
5104         (funit-at-a-time): Set default value to 1.
5105         * config/rs6000/rs6000.c (optimization_options): Set section anchors
5106         to 2.
5107
5108 2008-07-19  Jan Hubicka  <jh@suse.cz>
5109
5110         * builtins.c (expand_builtin_int_roundingfn,
5111         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
5112         it is not useful.
5113
5114 2008-07-19  Richard Guenther  <rguenther@suse.de>
5115
5116         PR bootstrap/36864
5117         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
5118         * tree-ssa-sccvn.c (get_constant_value_id): New function.
5119         * tree-ssa-pre.c (get_expr_value_id): For newly created
5120         constant value-ids make sure to add the expression to its
5121         expression-set.
5122
5123 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
5124
5125         PR middle-end/36877
5126         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
5127         return value of the builtin is ignored.
5128
5129 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5130
5131         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
5132         bits, a C conformant malloc implementation has to provide.
5133         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
5134
5135 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
5136
5137         PR target/36780
5138         PR target/36827
5139         * reload.c (find_reloads_subreg_address): Only reload address if
5140         reloaded == 0, not for reloaded != 1.
5141
5142         Revert:
5143         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5144         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5145         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5146         m32c_legitimize_reload_address.
5147
5148         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5149         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5150         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5151
5152 2008-07-19  Olivier Hainque  <hainque@adacore.com>
5153
5154         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
5155         argument, saying whether nested array are to be collapsed
5156         into a single array type DIE with multiple subscripts.
5157         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
5158         issues, centralize the nested array types collapsing control and
5159         disable the transformation for Ada.
5160
5161 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
5162
5163         PR target/36786
5164         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
5165         x86_64_shift_adj.
5166         (x86_64_shift_adj_2): New expander.
5167         (x86_64_shift_adj_3): Ditto.
5168         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
5169         to split TImode operands.
5170         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
5171         (ix86_split_lshr): Ditto.
5172
5173 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
5174
5175         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
5176         and __CHAR32_TYPE__.
5177         * c-typeck.c (digest_init): Support char16_t and char32_t.
5178         (set_nonincremental_init_from_string): Idem.
5179
5180 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5181
5182         PR middle-end/36859
5183         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
5184         PREFERRED_STACK_BOUNDARY.
5185         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5186
5187 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
5188
5189         PR middle-end/36858
5190         * function.c (locate_and_pad_parm): Cap boundary earlier.
5191
5192 2008-07-17  Julian Brown  <julian@codesourcery.com>
5193
5194         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
5195         no-op for targets which don't use DLLs.
5196
5197 2008-07-17  Martin Jambor  <mjambor@suse.cz>
5198
5199         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
5200         that nodes are relevant by examining the node->analyzed flag.
5201         (ipcp_init_stage): Check which nodes are relevant, assert that the
5202         relevant ones are also required.
5203         (ipcp_propagate_stage): Check on the side arrays are properly
5204         allocated.
5205         (ipcp_print_all_jump_functions): Make sure not to touch any node
5206         that is not analyzed or an edge that does not have a corresponding
5207         entry in the on-the-side vectors.
5208         (ipcp_function_scale_print): Likewise.
5209         (ipcp_update_callgraph): Check that the node is relevant.
5210         (ipcp_insert_stage): Check that the node is relevant.  Check there is
5211         an info for every node and edge.
5212         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
5213         (ipa_print_all_tree_maps): Likewise and a new variable info.
5214         (ipa_print_all_params_modified): Likewise.
5215         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
5216
5217 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
5218
5219         PR target/25343
5220         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
5221
5222 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
5223
5224         PR rtl-optimization/36753
5225         * fwprop.c (use_killed_between): Don't shortcut
5226         single-definition global registers.
5227
5228 2008-07-16  Jan Hubicka  <jh@suse.cz>
5229
5230         * cgraph.h (varpool_empty_needed_queue): Declare.
5231         * cgraphunit.c (output_in_order): Mark all variables as needed;
5232         empty the queue.
5233         * varpool.c (varpool_assemble_node): Update debug queue.
5234         (varpool_assemble_pending_decls): Don't do it here.
5235         (varpool_empty_needed_queue):  New function.
5236
5237 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5238
5239         * recog.c (peephole2_optimize): Fix formatting.
5240
5241 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5242
5243         * c-pch.c (get_ident): Avoid C++ keywords.
5244         * combine-stack-adj.c (single_set_for_csa): Likewise.
5245         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
5246         output_asm_insn): Likewise.
5247         * reload.c (push_secondary_reload, find_reusable_reload,
5248         push_reload, combine_reloads, find_reloads,
5249         debug_reload_to_stream): Likewise.
5250         * reload.h (struct reload): Likewise.
5251         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
5252         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
5253         emit_output_reload_insns): Likewise.
5254         * targhooks.c (default_secondary_reload): Likewise.
5255         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
5256
5257 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5258
5259         * recog.c (validate_change_1, validate_change,
5260         validate_unshare_change, validate_replace_rtx_1, struct
5261         funny_match, constrain_operands, peephole2_optimize): Avoid C++
5262         keywords.
5263         * reload.c (push_secondary_reload, secondary_reload_class,
5264         scratch_reload_class, find_valid_class, find_reusable_reload,
5265         push_reload, find_dummy_reload, find_reloads_address_1,
5266         find_reloads_address_part, find_equiv_reg): Likewise.
5267         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
5268         choose_reload_regs): Likewise.
5269         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
5270         Likewise.
5271         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
5272         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
5273         * sched-rgn.c (concat_INSN_LIST): Likewise.
5274         * stor-layout.c (mode_for_size, mode_for_size_tree,
5275         smallest_mode_for_size): Likewise.
5276
5277 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5278
5279         * cfg.c (dump_reg_info): Avoid C++ keywords.
5280         * dwarf2asm.c (dw2_force_const_mem,
5281         dw2_asm_output_encoded_addr_rtx): Likewise.
5282         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
5283         * expmed.c (expand_shift): Likewise.
5284         * global.c (find_reg): Likewise.
5285         * graph.c (draw_edge): Likewise.
5286         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
5287         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
5288         widen_clz, widen_bswap, expand_parity, expand_unop,
5289         emit_cmp_and_jump_insn_1): Likewise.
5290         * postreload.c (reload_cse_simplify_operands): Likewise.
5291         * ra.h (add_neighbor): Likewise.
5292         * reg-stack.c (remove_regno_note, change_stack): Likewise.
5293         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
5294         record_reg_classes, copy_cost, record_address_regs,
5295         invalid_mode_change_p): Likewise.
5296         * regrename.c (regrename_optimize, scan_rtx_reg,
5297         dump_def_use_chain, find_oldest_value_reg,
5298         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
5299
5300 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5301
5302         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
5303         MASK_POWERPC64 for power4 in previous commit.
5304
5305 2008-07-16  Olivier Hainque  <hainque@adacore.com>
5306
5307         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
5308         instead of bare conversion to cast const-ness away.
5309
5310 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
5311
5312         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
5313         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
5314         * config/xtensa/xtensa.c (xtensa_function_value): New function.
5315         (TARGET_FUNCTION_VALUE): Define.
5316
5317 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
5318
5319         * config/rs6000/rs6000.c (processor_target_table): Add
5320         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
5321
5322 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
5323
5324         PR target/36827
5325         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
5326         (m32c_legitimate_address_p): Handle "++rii" addresses created by
5327         m32c_legitimize_reload_address.
5328
5329 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
5330
5331         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
5332         DECL_IN_SYSTEM_HEADER in sync.
5333
5334 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
5335
5336         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
5337         * tree-ssa-pre.c (pre_expr_eq): Ditto
5338         (get_constant_for_value_id): Take a type as an argument.
5339         (fully_constant_expression): Pass in type.
5340         (find_or_generate_expression): Short circuit constant case.
5341         (create_expression_by_pieces): Remove special casing of
5342         pointer_plus.
5343         (do_regular_insertion): Short circuit constant case.
5344         (do_partial_partial_insertion): Ditto.
5345
5346 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5347
5348         PR target/36782
5349         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
5350
5351 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
5352
5353         * config/xtensa/libgcc-xtensa.ver: New file.
5354         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
5355
5356 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5357
5358         * df-problems.c (df_set_note): Avoid C++ keywords.
5359         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
5360         * dse.c (record_store, remove_useless_values): Likewise.
5361         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
5362         gen_reg_rtx_offset, operand_subword, change_address_1,
5363         change_address, adjust_address_1, offset_address,
5364         widen_memory_access, emit_copy_of_insn_after): Likewise.
5365         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
5366         * fwprop.c (should_replace_address, propagate_rtx_1,
5367         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
5368         Likewise.
5369         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
5370         gcse_emit_move_after, update_ld_motion_stores): Likewise.
5371         * lcm.c (compute_insert_delete, pre_edge_lcm,
5372         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
5373         * lower-subreg.c (resolve_reg_notes): Likewise.
5374         * mode-switching.c (optimize_mode_switching): Likewise.
5375
5376 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5377
5378         * bt-load.c (add_btr_def, migrate_btr_def,
5379         branch_target_load_optimize): Avoid C++ keywords.
5380         * caller-save.c (insert_restore, insert_save, insert_one_insn):
5381         Likewise.
5382         * combine.c (subst, simplify_set, make_extraction,
5383         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
5384         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
5385         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
5386
5387 2008-07-15  Richard Guenther  <rguenther@suse.de>
5388
5389         PR middle-end/36369
5390         * c-common.c (strict_aliasing_warning): Do not warn for
5391         TYPE_REF_CAN_ALIAS_ALL pointers.
5392         (c_common_get_alias_set): may_alias types are not special.
5393         * tree.c (build_pointer_type_for_mode): Look up the may_alias
5394         attribute and set can_ref_all accordingly.
5395         (build_reference_type_for_mode): Likewise.
5396         * doc/extend.texi (may_alias): Clarify.
5397
5398 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
5399
5400         PR target/36780
5401         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
5402         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
5403
5404 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5405
5406         PR target/31568
5407         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
5408         gcc_assert, instead call output_operand_lossage.
5409
5410 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
5411
5412         * builtins.c (std_canonical_va_list): Treat structure based
5413         va_list types.
5414
5415 2008-07-15  Ben Elliston  <bje@au.ibm.com>
5416
5417         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
5418
5419 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
5420
5421         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
5422         is set.
5423
5424 2008-07-14  Jan Hubicka  <jh@suse.cz>
5425
5426         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
5427         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
5428         fix predicates and constraints.
5429         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
5430         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
5431
5432 2008-07-14  Doug Kwan  <dougkwan@google.com>
5433
5434         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
5435         additional option file arm/eabi.opt.
5436         * config/arm/eabi.h (File): New configuration file for EABI targets.
5437         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
5438         SUBSUBTARGET_EXTRA_SPECS.
5439         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
5440         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
5441         from STARTFILE_SPEC so that it can be referenced in an override.
5442         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
5443         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
5444         can be referenced in an override.
5445         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
5446         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
5447         so that it can be referenced in an override.
5448         (LINK_SPEC): Use BPABI_LINK_SPEC.
5449         * config/arm/eabi.opt (File): New.
5450
5451 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5452
5453         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
5454         (FIXED_VALUE_H): New variable.
5455         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
5456         input.h, fixed-value.h.
5457         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
5458         (BASIC_BLOCK_H): Use $(BITMAP_H).
5459         (FUNCTION_H): Add varray.h.
5460         (IPA_REFERENCE_H): Use $(BITMAP_H).
5461         (CGRAPH_H): Add $(BASIC_BLOCK_H).
5462         (DF_H): Use $(BITMAP_H).
5463         (GGC_H): Add statistics.h.
5464         (INSN_ADDR_H): New.
5465         (INSN_ATTR_H): Use it.
5466         (SYSTEM_H): Add safe-ctype.h, filenames.h.
5467         (INPUT_H): New.
5468         (SYMTAB_H): Add $(OBSTACK_H).
5469         (CPP_INTERNAL_H): New.
5470         (TREE_DUMP_H): Add tree-pass.h.
5471         (TREE_FLOW_H): Use $(BITMAP_H)
5472         (PRETTY_PRINT_H): Use $(INPUT_H).
5473         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
5474         (GSTAB_H): New.
5475         (BITMAP_H): New.
5476         (many object files): Fix lots of header dependencies throughout.
5477
5478 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5479
5480         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
5481         New macros.
5482         (s-gtyp-input): Use them to write tmp-gi.list.
5483         (echo_to_gi.list): Remove.
5484
5485 2008-07-14  Richard Guenther  <rguenther@suse.de>
5486
5487         * tree-ssa-sccvn.c (pre_info): Remove.
5488         (switch_to_PRE_table): Likewise.
5489         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
5490         (set_hashtable_value_ids): Do not create value-ids for the
5491         optimistic tables.
5492         (run_scc_vn): Remove double test.  Remove bogus special-case
5493         in value-number printing.
5494         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
5495         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
5496         SSA_NAME_VALUE.
5497         * tree-flow-inline.h (get_value_handle): Remove.
5498         * tree-flow.h (get_value_handle): Remove.
5499
5500 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5501
5502         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
5503         in which we generate arithmetics is not a subrange.
5504
5505 2008-07-14  Martin Jambor  <mjambor@suse.cz>
5506
5507         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
5508
5509 2008-07-14  Richard Guenther  <rguenther@suse.de>
5510
5511         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
5512
5513 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
5514
5515         PR target/36745
5516         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
5517         reload for symbol refs moved to r0 with -fPIC.
5518         (legitimize_pic_address): Use the target register as temporary
5519         reg if possible.
5520         (emit_symbolic_move): Adjust comment.
5521         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
5522         New expanders.
5523
5524 2008-07-14  Ben Elliston  <bje@au.ibm.com>
5525
5526         * c-common.h (C_CPP_HASHNODE): New macro.
5527         * coretypes.h (struct cpp_token): Forward declare.
5528         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
5529         the context-sensitive keyword method.
5530         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
5531         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
5532         expand_bool_pixel): New.
5533         (altivec_categorize_keyword): New function.
5534         (init_vector_keywords): New function.
5535         (rs6000_macro_to_expand): Likewise.
5536         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
5537         compiling an ISO C dialect.
5538
5539 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
5540
5541         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
5542         (create_expression_by_pieces): Fix typo.
5543         (do_regular_insertion): Use debug counter here too.
5544
5545 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
5546
5547         PR target/35492.
5548         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
5549         CONST_OK_FOR_LETTER_P.  All port-local users changed.
5550         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
5551         implement Kp matching power-of-two.
5552         (CONSTRAINT_LEN): Define to match.
5553         * config/cris/cris.md: Replace all use of constraint K with Kc.
5554         ("*btst*): Use Kp for operand 0 of last alternative.
5555
5556 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5557
5558         PR testsuite/36440
5559         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
5560         and quad formats.
5561
5562 2008-07-13  Jan Hubicka  <jh@suse.cz>
5563
5564         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
5565         to be mangled too.
5566
5567 2008-07-13  Richard Guenther  <rguenther@suse.de>
5568
5569         PR middle-end/36811
5570         * langhooks.c (lhd_print_error_function): Deal with recursive
5571         BLOCK trees.
5572
5573 2008-07-12  Jan Hubicka  <jh@suse.cz>
5574
5575         * cgraph.c (assembler_name_hash): New static var.
5576         (hash_node_by_assembler_name, eq_assembler_name): New.
5577         (cgraph_node_for_asm): Use hashtable.
5578         (cgraph_remove_node): Maintain hashtable.
5579         (change_decl_assembler_name): Sanity check that names are not changing
5580         after aliasing was processed.
5581         * cgraph.h (varpoon_node): Add next GGC marker.
5582         * tree.c (decl_assembler_name_equal): Constify.
5583         (decl_assembler_name_hash): New.
5584         * tree.h (decl_assembler_name_equal): Constify.
5585         (decl_assembler_name_hash): Update.
5586
5587 2008-07-12  David Daney  <ddaney@avtrex.com>
5588
5589         * config/mips/driver-native.c (host_detect_local_cpu): Handle
5590         sb1 and r5000 cpus.
5591
5592 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
5593
5594         * doc/md.texi: Document the MIPS "v" constraint.
5595         * config/mips/mips.h (reg_class): Revert last change.
5596         (REG_CLASS_NAMES): Likewise.
5597         (REG_CLASS_CONTENTS): Likewise.
5598         * config/mips/mips.c (mips_regno_to_class): Likewise.
5599         * config/mips/constraints.md (v): Likewise, but add documentation.
5600         Add a comment to say that this constraint should not be used in
5601         gcc code.
5602
5603 2008-07-11  DJ Delorie  <dj@redhat.com>
5604
5605         * config/h8300/h8300.md (length): Fix branch offset limit.
5606
5607 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
5608
5609         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
5610         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
5611         (avr_hard_regno_scratch_ok): New function.
5612         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
5613         * config/avr/avr.md (all peepholes that request a scratch register):
5614         Remove avr_peep2_scratch_safe use.
5615
5616 2008-07-11  Tom Tromey  <tromey@redhat.com>
5617             Ian Lance Taylor  <iant@google.com>
5618
5619         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
5620         (struct c_common_resword): Define.
5621         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
5622         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
5623         (c_common_reswords, num_c_common_reswords): Declare.
5624         * c-common.c (c_common_reswords): New global const array.
5625         (num_c_common_reswords): New const int.
5626         * c-parser.c (struct resword, reswords): Don't define.
5627         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
5628         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
5629         than reswords.  If warning about C++ keywords, give them a special
5630         RID code.
5631         (c_lex_one_token): Warn about C++ keywords.  Call
5632         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
5633         (c_parser_external_declaration): Look for RID_xxx rather than
5634         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
5635         (c_parser_statement_after_labels): Likewise.
5636         (c_parser_objc_class_instance_variables): Likewise.
5637         (c_parser_objc_class_declaration): Likewise.
5638         (c_parser_objc_try_catch_statement): Likewise.
5639         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
5640         (declspecs_add_type): Likewise.
5641
5642 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
5643
5644         * ggc-page.c (alloc_page):
5645         Substituting xmalloc, xcalloc with
5646         XNEWVEC and XCNEWVAR macros which add the
5647         needed casts.
5648
5649 2008-07-11  Richard Guenther  <rguenther@suse.de>
5650
5651         PR tree-optimization/36765
5652         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
5653         aliases from HEAP vars to SMTs.
5654
5655 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5656
5657         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
5658         * configure.ac (loose_warn): Move -Wc++-compat from here...
5659         (strict_warn): ...to here.
5660         * configure: Regenerate.
5661
5662 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
5663
5664         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
5665         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
5666         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
5667         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
5668         excluding more specific h8300-*-* and sh-*-* targets.
5669
5670 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
5671
5672         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
5673         (eliminate): Ditto.
5674         (execute_pre): Call loop_optimizer_finalize in early exit.
5675
5676 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
5677
5678         PR middle-end/36790
5679         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
5680         uids in the bitmap, not just VAR_DECL uids.
5681
5682         PR rtl-optimization/36419
5683         * combine-stack-adj.c (adjust_frame_related_expr): New function.
5684         (combine_stack_adjustments_for_block): Call it if needed.  Delete
5685         correct insn.
5686         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
5687         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
5688         prologue sp adjustment.
5689
5690 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
5691
5692         PR other/28322
5693         * opts.c (print_ignored_options): Report postponed diagnostics for
5694         unknown -Wno-* options as warnings, not errors.
5695         (postpone_unknown_option_error): Renamed to...
5696         (postpone_unknown_option_warning): ... this.
5697
5698 2008-07-09  Doug Kwan  <dougkwan@google.com>
5699
5700         Revert:
5701         2008-07-08  Doug Kwan  <dougkwan@google.com>
5702
5703         * config/arm/arm.opt (mandroid): New option.
5704         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5705         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5706         (CC1_SPEC): Same.
5707         (CC1PLUS_SPEC): Same.
5708         (LIB_SPEC): Same.
5709         (STARTFILE_SPEC): Same.
5710         (ENDFILE_SPEC): Same.
5711         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5712         used.
5713
5714 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
5715
5716         PR target/35802
5717         * config/mips/mips.h (reg_class): Remove V1_REG.
5718         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
5719         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
5720         instead of V1_REGS.
5721         (mips_get_tp): New function.
5722         (mips_legitimize_tls_address): Use it.
5723         * config/mips/constraints.md (v): Delete.
5724         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
5725         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
5726         After reload, split into a move and ...
5727         (*tls_get_tp_<mode>_split): ...this new instruction.
5728
5729 2008-07-09  David Daney  <ddaney@avtrex.com>
5730
5731         * config/mips/driver-native.c: Include coretypes.h and tm.h.
5732
5733 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
5734
5735         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
5736         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
5737         Add c argument.
5738         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
5739         htab_delete should be called.  Don't free c.
5740         (lookup_tmp_var): Create temp_htab lazily.
5741         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
5742         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
5743         callers.
5744         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
5745         lower_omp_ordered, lower_omp_critical, lower_omp_for,
5746         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
5747         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
5748         * tree-sra.c (generate_element_init): Likewise.
5749         * tree-mudflap.c (execute_mudflap_function_ops,
5750         execute_mudflap_function_decls): Likewise.
5751         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
5752         * tree-gimple.h (struct gimplify_ctx): New type.
5753         (push_gimplify_context): Adjust prototype.
5754
5755 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
5756
5757         * tree-ssa-pre.c (phi_translate_1): Update placement of
5758         add_to_value calls.
5759
5760 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
5761
5762         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
5763         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
5764         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
5765         * targhooks.c (default_hard_regno_scratch_ok): New function.
5766         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
5767         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
5768         * recog.c:  Include "target.h".
5769         (peep2_find_free_register): Add check for global regs. Add target
5770         specific check.
5771         * Makefile.in (recog.o): Depend on target.h.
5772
5773 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5774
5775         * config/sh/sh.c (sh_canonical_va_list_type): New.
5776         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
5777
5778 2008-07-09  Raksit Ashok <raksit@google.com>
5779
5780         * doc/invoke.texi (Option Summary): Mention new option
5781         -Wdisallowed-function-list=...
5782         (Warning Options): Document -Wdisallowed-function-list=...
5783         * common.opt (Wdisallowed-function-list=): New flag.
5784         * flags.h (warn_disallowed_functions): External definition of new
5785         boolean warning flag.
5786         (warn_if_disallowed_function_p): Declare new function.
5787         * opts.c (warning_disallowed_functions): New static variable.
5788         (warn_disallowed_functions): New boolean warning flag.
5789         (warn_if_disallowed_function_p): New function.
5790         (add_comma_separated_to_vector): Rename
5791         add_instrument_functions_exclude_list to this.
5792         (common_handle_option): Handle new option. Rename calls to
5793         add_instrument_functions_exclude_list into calls to
5794         add_comma_separated_to_vector.
5795         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
5796         based on flag warn_disallowed_functions.
5797
5798 2008-07-09  Christian Bruel  <christian.bruel@st.com>
5799
5800         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
5801          instead of get_attr_length.
5802
5803 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5804
5805         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
5806         keywords.
5807         * genemit.c (gen_insn): Likewise.
5808         * gengtype.c (note_def_vec): Likewise.
5809         * gengtype.h (note_def_vec): Likewise.
5810         * genoutput.c (struct data, output_insn_data, process_template,
5811         gen_expand, gen_split, note_constraint): Likewise.
5812         * genrecog.c (new_decision, add_to_sequence, factor_tests,
5813         make_insn_sequence): Likewise.
5814         * gensupport.c (record_insn_name): Likewise.
5815
5816 2008-07-08  Doug Kwan  <dougkwan@google.com>
5817
5818         * config/arm/arm.opt (mandroid): New option.
5819         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
5820         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
5821         (CC1_SPEC): Same.
5822         (CC1PLUS_SPEC): Same.
5823         (LIB_SPEC): Same.
5824         (STARTFILE_SPEC): Same.
5825         (ENDFILE_SPEC): Same.
5826         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
5827         used.
5828
5829 2008-07-08  Raksit Ashok  <raksit@google.com>
5830
5831         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
5832         (set_storage_via_setmem): Fix expected_align parameter.
5833         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
5834         missing from the list.
5835         * doc/md.texi (movmem): Explicitly state that expected alignment is
5836         to be expressed in bytes.
5837         (setmem): Explicitly state that expected alignment is to be expressed
5838         in bytes.
5839
5840 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
5841
5842         * reload.c (find_reloads_subreg_address): Do not require validity
5843         of address in original mode before reloading address.
5844
5845 2008-07-07  Tianwei Sheng  <tianweis@google.com>
5846
5847         * df-core.c (df_remove_problem): Adjust the access to avoid out of
5848         bounds array access.
5849
5850 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
5851
5852         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
5853
5854 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
5855
5856         Fix PR tree-optimization/23455
5857         Fix PR tree-optimization/35286
5858         Fix PR tree-optimization/35287
5859         * Makefile.in (OBJS-common): Remove tree-vn.o.
5860         (tree-vn.o): Remove.
5861         * dbgcnt.def: Add treepre_insert debug counter.
5862         * gcc/tree-flow.h (add_to_value): Updated for other changes.
5863         (debug_value_expressions): Ditto.
5864         (print_value_expressions): Ditto.
5865         * tree-pretty-print.c (dump_generic_node): Updated for
5866         VALUE_HANDLE removal.
5867         * tree-ssa-dom.c (record_equality): Ditto.
5868         (cprop_operand): Ditto.
5869         (lookup_avail_expr): Ditto.
5870         * tree-ssa-threadedge.c
5871         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
5872         (simplify_control_stmt_condition): Ditto.
5873         * tree.c (tree_code_size): Ditto.
5874         (tree_node_structure): Ditto.
5875         (iterative_hash_expr): Ditto.
5876         * tree.def: Ditto.
5877         * tree.h (VALUE_HANDLE_ID): Ditto.
5878         (VALUE_HANDLE_EXPR_SET): Ditto.
5879         (struct tree_value_handle): Ditto.
5880         (union tree_node): Ditto.
5881         * treestruct.def: Ditto.
5882         * tree-vn.c: Removed.
5883         * tree-ssa-pre.c: Rewritten entirely.
5884         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
5885         (constant_value_ids): Ditto.
5886         (vn_nary_op_t): Moved to header.
5887         (vn_phi_t): Ditto.
5888         (vn_reference_op_t): Ditto
5889         (vn_reference_t): Ditto.
5890         (next_value_id): New variable.
5891         (VN_INFO): Add an assert.
5892         (vn_constant_eq): New function.
5893         (vn_constant_hash): Ditto.
5894         (get_or_alloc_constant_value_id): Ditto.
5895         (value_id_constant_p): Ditto.
5896         (vn_reference_compute_hash): De-staticify.
5897         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
5898         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
5899         (valueize_refs): Update opcode if it changes from ssa name to constant.
5900         (vn_reference_lookup_1): Add new argument.
5901         (vn_reference_lookup):  Ditto.
5902         (vn_reference_lookup_pieces): New function.
5903         (vn_reference_insert): Add return type. Modify to deal with value ids.
5904         (vn_reference_insert_pieces):  New function.
5905         (vn_nary_op_compute_hash): De-staticify.
5906         (vn_nary_op_eq): Ditto.
5907         (vn_nary_op_lookup_pieces): New function.
5908         (vn_nary_op_lookup): Add new argument.
5909         (vn_nary_op_insert_pieces): New function.
5910         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
5911         (vn_phi_insert): Ditto.
5912         (visit_unary_op): Update for callee changes.
5913         (visit_binary_op): Ditto.
5914         (visit_reference_op_load): Ditto.
5915         (visit_reference_op_store): Ditto.
5916         (init_scc_vn): Init next_value_id, constant_to_value_id and
5917         constant_value_ids.
5918         (free_scc_vn): Free them.
5919         (set_hashtable_value_ids): New function.
5920         (run_scc_vn): Use it.
5921         (get_max_value_id): New function.
5922         (get_next_value_id): Ditto.
5923         (expressions_equal_p): Moved from tree-vn.c
5924         (sort_vuses): Ditto.
5925         (sort_vuses_heap): Ditto.
5926         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
5927         above).
5928         * tree.c (iterative_hash_hashval_t): Made non-static
5929         * tree.h (iterative_hash_hashval_t): Declare it.
5930
5931 2008-07-08  Martin Jambor  <mjambor@suse.cz>
5932
5933         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
5934         instead of ipa_create_node_params.
5935         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
5936         ipa_check_create_edge_args, free them with
5937         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
5938
5939         * ipa-prop.c: Include flags.h and tree-inline.h.
5940         (ipa_node_params_vector): New variable.
5941         (ipa_edge_args_vector): New variable.
5942         (edge_removal_hook_holder): New variable.
5943         (node_removal_hook_holder): New variable.
5944         (edge_duplication_hook_holder): New variable.
5945         (node_duplication_hook_holder): New variable.
5946         (ipa_detect_param_modifications): Check for presence of modified flags.
5947         (ipa_compute_jump_functions): Check for presence of jump functions.
5948         (ipa_free_edge_args_substructures): New function.
5949         (ipa_create_node_params): Removed.
5950         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
5951         (ipa_free_node_params_substructures): New function.
5952         (ipa_free_all_node_params): Changed to deallocate the on-the-side
5953         vector.
5954         (ipa_edge_removal_hook): New function.
5955         (ipa_node_removal_hook): New function.
5956         (duplicate_array): New function.
5957         (ipa_edge_duplication_hook): New function.
5958         (ipa_node_duplication_hook): New function.
5959         (ipa_register_cgraph_hooks): New function.
5960         (ipa_unregister_cgraph_hooks): New function.
5961         (free_all_ipa_structures_after_ipa_cp): New function.
5962
5963         * ipa-prop.h: Include vec.h.
5964         (ipa_node_params_t): New typedef with vector types for it.
5965         (ipa_edge_args_t):  New typedef with vector types for it.
5966         (IPA_NODE_REF): Changed to access an on-the-side vector.
5967         (IPA_EDGE_REF): Changed to access an on-the-side vector.
5968         (ipa_check_create_node_params): New function.
5969         (ipa_check_create_edge_args): New function.
5970
5971         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
5972         all users.
5973
5974 2008-07-07  Tom Tromey  <tromey@redhat.com>
5975
5976         * configure, config.in: Rebuilt.
5977         * configure.ac: Don't check for scandir or alphasort.
5978
5979 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5980
5981         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
5982         types immediately after creating them.
5983
5984 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
5985
5986         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
5987
5988 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
5989
5990         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
5991         dump_constraint_graph.
5992         (dump_constraint_edge): New function.
5993         (dump_constraint_graph): New function.
5994         (debug_constraint_graph): New function.
5995         (dump_constraint): Removed useless comparison.
5996         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
5997         (dump_constraint_graph): Declare.
5998         (debug_constraint_graph): Declare.
5999         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
6000
6001 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
6002
6003         * config/i386/i386.c (is_va_list_char_pointer): New.
6004         (ix86_va_start): Replace compare with ms_va_list_type_node
6005         by is_va_list_char_pointer.
6006         (ix86_gimplify_va_arg): Likewise.
6007
6008 2008-07-07  Martin Jambor  <mjambor@suse.cz>
6009
6010         * cgraph.c (cgraph_edge_max_uid): New variable.
6011         (struct cgraph_edge_hook_list): New type.
6012         (struct cgraph_node_hook_list): New type.
6013         (struct cgraph_2edge_hook_list): New type.
6014         (struct cgraph_2node_hook_list): New type.
6015         (first_cgraph_edge_removal_hook): New variable.
6016         (first_cgraph_node_removal_hook): New variable.
6017         (first_cgraph_edge_duplicated_hook): New variable.
6018         (first_cgraph_node_duplicated_hook): New variable.
6019         (cgraph_add_edge_removal_hook): New function.
6020         (cgraph_remove_edge_removal_hook): New function.
6021         (cgraph_call_edge_removal_hooks):  New function.
6022         (cgraph_add_node_removal_hook):  New function.
6023         (cgraph_remove_node_removal_hook):  New function.
6024         (cgraph_call_node_removal_hooks):  New function.
6025         (cgraph_add_edge_duplication_hook):  New function.
6026         (cgraph_remove_edge_duplication_hook):  New function.
6027         (cgraph_call_edge_duplication_hooks):  New function.
6028         (cgraph_add_node_duplication_hook):  New function.
6029         (cgraph_remove_node_duplication_hook):  New function.
6030         (cgraph_call_node_duplication_hooks):  New function.
6031         (cgraph_create_edge): Assign to edge uid.
6032         (cgraph_remove_edge): Call edge removal hooks.
6033         (cgraph_node_remove_callees): Call edge removal hooks.
6034         (cgraph_node_remove_callers): Call edge removal hooks.
6035         (cgraph_remove_node): Call node removal hooks.
6036         (cgraph_clone_edge): Call edge duplication hooks.
6037         (cgraph_clone_node): Call node duplication hooks.
6038
6039         * cgraph.h (cgraph_edge): New field uid.
6040         (cgraph_edge_hook): New type.
6041         (cgraph_node_hook): New type.
6042         (cgraph_2edge_hook): New type.
6043         (cgraph_2node_hook): New type.
6044
6045 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
6046
6047         * config.in: Regenerate.
6048
6049 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
6050
6051         * gcc.c (print_sysroot): New.
6052         (option_map, display_help, process_command): Handle the
6053         -print-sysroot option.
6054         (main): Print the sysroot if requested.
6055         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
6056
6057 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6058
6059         PR target/34780
6060         * unwind-pe.h (size_of_encoded_value): add attribute unused.
6061
6062 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
6063
6064         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
6065         (assign_parm_setup_block_p): Also check mode of entry_parm.
6066
6067 2008-07-07  Richard Guenther  <rguenther@suse.de>
6068
6069         * tree-ssa-structalias.h (set_used_smts): Remove.
6070         * tree-ssa-structalias.c (used_smts): Likewise.
6071         (set_used_smts): Likewise.
6072         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
6073         call to set_used_smts.
6074
6075 2008-07-07  Richard Guenther  <rguenther@suse.de>
6076
6077         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
6078         (new_var_info): Set it to false.
6079         (solution_set_add): Correctly handle pointers outside a var and
6080         inside a field.
6081         (type_safe): Treat variables with is_full_var properly.
6082         (do_sd_constraint): Likewise.
6083         (do_ds_constraint): Likewise.
6084         (process_constraint): Remove zeroing offset for !use_field_sensitive.
6085         (get_constraint_for_ptr_offset): New function.
6086         (get_constraint_for_component_ref): For addresses at least include
6087         the last field of the variable.  Handle is_full_vars properly.
6088         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
6089         (handle_ptr_arith): Remove.
6090         (find_func_aliases): Simplify assignment handling.
6091         (create_function_info_for): For parameter and result varinfos set
6092         is_full_var flag.
6093         (create_variable_info_for): Set is_full_var flag whenever we
6094         just created a single varinfo for a decl.
6095         (init_alias_vars): Initialize use_field_sensitive from
6096         max-fields-for-field-sensitive parameter.
6097
6098 2008-07-07  Richard Guenther  <rguenther@suse.de>
6099
6100         PR tree-optimization/36713
6101         * tree-flow-inline.h (is_call_used): New function.
6102         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
6103         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6104         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
6105
6106 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6107
6108         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
6109
6110 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
6111
6112         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
6113
6114 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
6115             Nathan Sidwell  <nathan@codesourcery.com>
6116
6117         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
6118         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
6119         tmake_file.
6120         * config/m68k/t-linux: New.
6121         * doc/install.texi: Document m68k-*-linux is now multilibbed by
6122         default.
6123
6124 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
6125
6126         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
6127         * config/m68k/m68k-devices.def: Remove multilibs that only differ
6128         by MAC/EMAC.
6129
6130 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6131
6132         * gcc.c (execute): Fix -Wc++-compat warning.
6133
6134 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
6135
6136         PR target/36720
6137         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
6138         constant for little endian.
6139
6140 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
6141
6142         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
6143         mips_base_mips16 instead of TARGET_MIPS16.
6144         (mips_base_mips16): Declare.
6145         * config/mips/mips.c (mips_base_mips16): Make global.
6146         (was_mips16_p): Remove GTY marker.
6147         (was_mips16_pch_p): New variable.
6148         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
6149         (mips_override_options): Force to non-MIPS16 mode initially.
6150         Do not complain about MIPS16 PIC incompatibilities here.
6151         Only allow -mgpopt if -mexplicit-relocs is in force for
6152         non-MIPS16 code.
6153
6154 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
6155
6156         * configure.ac: Check for caddr_t, define to char * if not defined.
6157         * configure: Regenerate.
6158         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
6159         (mmap_gt_pch_use_address): Likewise.
6160         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
6161
6162 2008-07-06  Richard Guenther  <rguenther@suse.de>
6163
6164         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
6165         (new_var_info): Deal with it.
6166         (solution_set_add): Likewise.
6167         (bitpos_of_field): Make signed, fix.
6168         (struct fieldoff): Remove type and decl fields.  Make size field
6169         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
6170         flags.
6171         (fieldoff_compare): Deal with it.
6172         (push_fields_onto_fieldstack): Remove has_union argument, glob
6173         adjacent non-pointer fields together.
6174         (create_function_info_for): Do not set has_union.
6175         (create_variable_info_for): Simplify.
6176
6177 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
6178
6179         * config.gcc (extra_headers): Add cross-stdarg.h for target
6180         x86_64-*-* and i?86-*-*.
6181         * config/i386/cross-stdarg.h: New.
6182         * builtins.c (std_fn_abi_va_list): New.
6183         (std_canonical_va_list_type): New.
6184         (stabilize_va_list): Replace va_list_type_node use by
6185         mtarget.canonical_va_list_type.
6186         (gimplify_va_arg_expr): Likewise.
6187         (expand_builtin_va_copy): Replace va_list_type_node use by
6188         mtarget.fn_abi_va_list.
6189         * tree-sra.c (is_va_list_type): New helper.
6190         (decl_can_be_decomposed_p): Replace
6191         va_list_type_node use by is_va_list_type.
6192         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
6193         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
6194         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
6195         * config/i386/i386-protos.h (ix86_get_valist_type): New.
6196         (ix86_enum_va_list): New.
6197         * config/i386/i386.c (sysv_va_list_type_node): New.
6198         (ms_va_list_type_node): New.
6199         (ix86_function_type_abi): Remove sorry.
6200         (ix86_build_builtin_va_list_abi): New.
6201         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
6202         for 64-bit targets.
6203         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
6204         (ix86_init_builtins_va_builtins_abi): New.
6205         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
6206         for 64-bit targets.
6207         (ix86_handle_abi_attribute): New.
6208         (attribute_spec): Add sysv_abi and ms_abi.
6209         (ix86_fn_abi_va_list): New.
6210         (ix86_canonical_va_list_type): New.
6211         (ix86_enum_va_list): New.
6212         (TARGET_FN_ABI_VA_LIST): New.
6213         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6214         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
6215         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
6216         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6217         (TARGET_ENUM_VA_LIST): New.
6218         * expr.h (std_fn_abi_va_list): New.
6219         (std_canonical_va_list_type): New.
6220         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
6221         (TARGET_CANONICAL_VA_LIST_TYPE): New.
6222         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
6223         TARGET_CANONICAL_VA_LIST_TYPE.
6224         * target.h (struct gcc_target): Add fn_abi_va_list hook
6225         and canonical_va_list_type hook.
6226
6227 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6228
6229         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
6230         integral and pointer types.
6231
6232 2008-07-04  Roger Sayle  <roger@eyesopen.com>
6233
6234         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
6235         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
6236
6237 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
6238
6239         PR target/36684
6240         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
6241
6242 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
6243
6244         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
6245         build_gimple_modify_stmt.
6246         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
6247         gimple operand.  Use fold_build* instead of build*.
6248
6249 2008-07-04  Richard Guenther  <rguenther@suse.de>
6250
6251         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
6252         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
6253         properly to compute the reachability set if we do field-sensitive PTA.
6254         * invoke.texi (max-fields-for-field-sensitive): Document default.
6255         * opts.c (decode_options): Set max-fields-for-field-sensitive to
6256         100 for optimize >= 2.
6257
6258 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6259
6260         * ggc-zone.c (lookup_page_table_if_allocated,
6261         set_page_table_entry, zone_find_object_size, alloc_small_page,
6262         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
6263         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
6264         -Wc++-compat and/or -Wcast-qual warnings.
6265
6266 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
6267
6268         PR target/36634
6269         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
6270         pic_offset_table_rtx to be marked as used here.
6271         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
6272         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
6273         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
6274         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
6275         !TARGET_SECURE_PLT.
6276
6277 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6278
6279         * alloc-pool.c (hash_descriptor, eq_descriptor,
6280         alloc_pool_descriptor): Fix -Wc++-compat warnings.
6281         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
6282         Likewise.
6283         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
6284         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
6285         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
6286         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
6287         Likewise.
6288
6289 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
6290
6291         * tree-flow.h (loop_only_exit_p): Declare.
6292         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
6293         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
6294         the number of iterations if it is constant.  Otherwise, if this is the
6295         only possible exit of the loop, use the conservative estimate on the
6296         number of iterations of the entire loop if available.
6297
6298 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
6299
6300         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
6301         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
6302         Add synchronization functions.
6303         * config/sync.c: New file.
6304         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
6305         (LIBGCC_SYNC_CFLAGS): Likewise.
6306
6307 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
6308
6309         PR target/36710
6310         * config/i386/i386.md (mode): Add TF to "mode" attribute.
6311         (*pushtf_sse): New insn pattern.
6312         (pushtf splitters): New splitters.
6313
6314 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
6315
6316         PR middle-end/35736
6317         * predict.c (build_predict_expr): Use void_type_node for the tree
6318         type, instead of NULL_TREE.
6319
6320 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
6321
6322         * config/i386/i386.c (contains_aligned_value_p): Return true
6323         for TCmode.
6324         (ix86_data_alignment): Align TCmode to 128bits.
6325         (ix86_local_alignment): Likewise.
6326
6327 2008-07-03  Andrew Haley  <aph@redhat.com>
6328
6329         PR bootstrap/33304
6330         * vec.h (VEC_TA): New.
6331         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
6332         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
6333         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
6334         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
6335         (C_COMMON_FIXED_TYPES): Remove first arg.
6336         (C_COMMON_FIXED_MODE_TYPES): Likewise.
6337         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
6338         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
6339         not to use empty macro arguments.
6340
6341 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
6342
6343         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
6344         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
6345         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
6346         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
6347         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
6348         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
6349         config/ia64/crtn.asm, config/m68hc11/larith.asm,
6350         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
6351         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
6352         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
6353         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
6354         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
6355         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
6356         config/rs6000/e500crtres64gpr.asm,
6357         config/rs6000/e500crtres64gprctr.asm,
6358         config/rs6000/e500crtrest32gpr.asm,
6359         config/rs6000/e500crtrest64gpr.asm,
6360         config/rs6000/e500crtresx32gpr.asm,
6361         config/rs6000/e500crtresx64gpr.asm,
6362         config/rs6000/e500crtsav32gpr.asm,
6363         config/rs6000/e500crtsav64gpr.asm,
6364         config/rs6000/e500crtsav64gprctr.asm,
6365         config/rs6000/e500crtsavg32gpr.asm,
6366         config/rs6000/e500crtsavg64gpr.asm,
6367         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
6368         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
6369         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
6370         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
6371         config/sparc/sol2-cn.asm: Remove .file directives.
6372
6373 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
6374
6375         * resource.c (mark_referenced_resources): Look inside
6376         UNSPEC_VOLATILEs and ASM_INPUTs.
6377
6378 2008-07-02  Ian Lance Taylor  <iant@google.com>
6379
6380         * rtlanal.c (add_reg_note): New function.
6381         * rtl.h (add_reg_note): Declare.
6382         * auto-inc-dec.c (attempt_change): Use add_reg_note.
6383         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
6384         * builtins.c (expand_builtin_longjmp): Likewise.
6385         (expand_builtin_nonlocal_goto): Likewise.
6386         * calls.c (emit_call_1, expand_call): Likewise.
6387         * cfgexpand.c (add_reg_br_prob_note): Likewise.
6388         * cfglayout.c (fixup_reorder_chain): Likewise.
6389         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
6390         (commit_one_edge_insertion): Likewise.
6391         * combine.c (move_deaths, distribute_notes): Likewise.
6392         * df-problems.c (df_set_note): Likewise.
6393         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
6394         (set_unique_reg_note): Likewise.
6395         (emit_copy_of_insn_after): Likewise.
6396         * expr.c (expand_expr_real): Likewise.
6397         * gcse.c (add_label_notes): Likewise.
6398         * haifa-sched.c (create_check_block_twin): Likewise.
6399         * jump.c (mark_jump_label_1): Likewise.
6400         * loop-doloop.c (add_test, doloop_modify): Likewise.
6401         * loop-unswitch.c (compare_and_jump_seq): Likewise.
6402         * lower-subreg.c (move_eh_region_note): Likewise.
6403         * optabs.c (emit_libcall_block): Likewise.
6404         * predict.c (predict_insn): Likewise.
6405         (combine_predictions_for_insn): Likewise.
6406         * recog.c (peephole2_optimize): Likewise.
6407         * regmove.c (try_auto_increment): Likewise.
6408         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
6409         * reload.c (find_reloads): Likewise.
6410         * reload1.c (fixup_eh_region_note): Likewise.
6411         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
6412         * reorg.c (delete_prior_computation): Likewise.
6413         (delete_computation, dbr_schedule): Likewise.
6414         * config/pa/pa.c (legitimize_pic_address): Likewise.
6415         * config/sh/sh.c (sh_reorg): Likewise.
6416
6417 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6418
6419         PR target/36669
6420         * config/libgcc-glibc.ver: Add %exclude.
6421         * config/m32r/libgcc-glibc.ver: Likwise.
6422         * config/s390/libgcc-glibc.ver: Likwise.
6423         * config/sh/libgcc-glibc.ver: Likwise.
6424         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
6425
6426         * config/i386/libgcc-glibc.ver: New.
6427
6428         * config/i386/libgcc-x86_64-glibc.ver: Removed.
6429
6430 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
6431
6432         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
6433         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
6434         i[34567]86-*-linux*, x86_64-*-linux*.  Add
6435         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
6436         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
6437         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
6438         i[34567]86-*-linux*, x86_64-*-linux*.
6439
6440         * libgcc-std.ver: Add empty GCC_4.4.0.
6441
6442         * mkmap-symver.awk: Support multiple versions per symbol.
6443
6444         * config/i386/i386.c (ix86_init_builtins): Always define
6445         __builtin_fabsq and __builtin_copysignq with fallbacks.
6446         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
6447         and __builtin_copysignq if SSE2 isn't available.
6448
6449         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
6450         (LIBGCC2_TF_CEXT): Likwise.
6451         (TF_SIZE): Likwise.
6452
6453         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
6454
6455         * config/i386/sfp-machine.h: Moved to libgcc.
6456
6457         * config/i386/sfp-machine.h: New.
6458         * config/i386/t-linux: Likwise.
6459
6460         * config/i386/t-darwin: Remove softfp_wrap_start and
6461         softfp_wrap_end.
6462         * config/i386/t-darwin64: Likewise.
6463
6464         * config/i386/t-fprules-softfp64: Renamed to ...
6465         * config/i386/t-fprules-softfp: This.
6466
6467         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
6468         and softfp_wrap_end.
6469
6470 2008-07-02  Jason Merrill  <jason@redhat.com>
6471
6472         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
6473
6474         * tree.c (ctor_to_list): New fn.
6475         * tree.h: Declare it.
6476         (CONSTRUCTOR_ELT): New macro.
6477         (CONSTRUCTOR_NELTS): New macro.
6478
6479 2008-07-02  Richard Guenther  <rguenther@suse.de>
6480
6481         * tree-ssa-structalias.c (struct variable_info): Reorder
6482         to fill padding on 64bit hosts.  Make collapsed_to an int.
6483         (get_varinfo_fc): Deal with that.
6484         (new_var_info): Likewise.
6485         (collapse_rest_of_var): Likewise.
6486
6487 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
6488
6489         * doc/install.texi (--enable-java-home): Document.
6490         (--enable-aot-compile-rpm): Likewise.
6491         (--with-arch-directory): Likewise.
6492         (--with-os-directory): Likewise.
6493         (--with-origin-name): Likewise.
6494         (--with-arch-suffix): Likewise.
6495         (--with-jvm-root-dir): Likewise.
6496         (--with-jvm-jar-dir): Likewise.
6497         (--with-python-dir): Likewise.
6498
6499 2008-07-02  Richard Guenther  <rguenther@suse.de>
6500
6501         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
6502         from decls explicitly.  Merge operand checking from tuples.
6503
6504 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6505
6506         * tree-switch-conversion.c: Included timevar.h which I forgot before.
6507
6508 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6509
6510         * tree-switch-conversion.c: Included timevar.h
6511         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
6512
6513         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
6514
6515 2008-07-02  Martin Jambor  <mjambor@suse.cz>
6516
6517         * tree-switch-conversion.c: Corrected various comments and
6518         whitespace issues
6519         (build_constructors): Fixed minor formatting mistakes.
6520
6521         * invoke.texi (Optimize Options): Corrected the
6522         switch-conversion-max-branch-ratio parameter.
6523
6524 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
6525
6526         * final.c (asm_insn_count): Return zero for an empty asm body.
6527
6528 2008-07-02  Richard Guenther  <rguenther@suse.de>
6529
6530         * bitmap.h (bitmap_set_bit): Return bool.
6531         (bitmap_clear_bit): Likewise.
6532         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
6533         write to the bitmap if it would.
6534         (bitmap_clear_bit): Likewise.
6535         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
6536         bitmap_set_bit return value.
6537         (add_pred_graph_edge): Likewise.
6538         (add_graph_edge): Likewise.
6539         (do_sd_constraint): Likewise.
6540         (do_ds_constraint): Likewise.
6541
6542 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6543
6544         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
6545         Fix -Wc++-compat and/or -Wcast-qual warnings.
6546         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
6547         gen_regparm_prefix): Likewise.
6548         * vmsdbgout.c (write_modbeg, lookup_filename,
6549         vmsdbgout_source_line, vmsdbgout_init): Likewise.
6550
6551 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
6552
6553         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
6554         defaults.h definition apply.
6555
6556 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6557
6558         * function.c (assign_parm_remove_parallels): New.
6559         (assign_parm_setup_block_p): Do not return true for non-BLKmode
6560         PARALLELs.
6561         (assign_parm_setup_block): Do not handle them.
6562         (assign_parm_setup_reg, assign_parm_setup_stack): Call
6563         assign_parm_remove_parallels.
6564
6565 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
6566
6567         * c-typeck.c (convert_for_assignment): Use
6568         vector_targets_convertible_p.
6569         * c-common.c (vector_targets_convertible_p): New.
6570         * c-common.h (vector_targets_convertible_p): New prototype.
6571         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
6572         opaque_p_V2SI_type_node.
6573
6574 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
6575
6576         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
6577         RFmode constants.
6578
6579 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
6580
6581         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
6582         TFmode constants via two element DImode vector for hosts with
6583         HOST_BITS_PER_WIDE_INT < 64.
6584         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
6585         also for HOST_BITS_PER_WIDE_INT < 64.
6586
6587 2008-07-01  Richard Guenther  <rguenther@suse.de>
6588
6589         PR tree-optimization/36666
6590         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
6591         (get_constraint_exp_from_ssa_var): Split into ...
6592         (get_constraint_exp_for_temp): ... this ...
6593         (get_constraint_for_ssa_var): ... and that.
6594         Return constraint expressions for all touched sub-fields
6595         if the results address is not taken.
6596         (process_constraint): Remove assertion that aggregate
6597         assignments do not happen at this place.
6598         (get_constraint_for_component_ref): Add address_p argument.
6599         Return constraint expressions for all touched sub-fields
6600         if the results address is not taken.
6601         (do_deref): Use get_constraint_exp_for_temp.
6602         (get_constraint_for_1): Rename from ...
6603         (get_constraint_for): ... this.  Add the old function as wrapper.
6604         (do_structure_copy): Use get_constraint_for_1.
6605
6606 2008-07-01  Martin Jambor  <mjambor@suse.cz>
6607
6608         * Makefile.in (tree-switch-conversion.o): Add.
6609         (OBJS-common): Add tree-swtch-conversion.o.
6610         * passes.c (init_optimization_passes): Add pass_convert_switch.
6611         * tree-pass.h: (pass_convert_switch): Add.
6612         * tree-switch-conversion.c: New file.
6613         * gcc.dg/tree-ssa/cswtch.c: New testcase.
6614         * common.opt (ftree-cswtch): New option.
6615         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6616         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
6617         * opts.c (decode_options): Set flag_tree_switch_conversion when
6618         optimization level is >= 2.
6619         * doc/invoke.texi (Optimize Options): Added description of
6620         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
6621
6622 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6623
6624         * config/darwin-driver.c (darwin_default_min_version): Fix
6625         -Wc++-compat warnings.
6626
6627 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
6628
6629         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
6630         of operand 0.
6631
6632 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6633
6634         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
6635
6636 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
6637
6638         PR rtl-optimization/34744
6639         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
6640         (df_scan_free_internal): Free data structures not
6641         allocated in storage pools.
6642         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
6643         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
6644         df_scan_free_mws_vec.
6645         * dse.c (dse_step6): Free offset_map_p and offset_map_n
6646         unconditionally.
6647
6648 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
6649
6650         * config/i386/i386.c (contains_aligned_value_p): Return true
6651         for __float128.
6652         (ix86_function_arg_boundary): Return its natural boundary
6653         for __float128.
6654         (return_in_memory_32): Don't check TDmode.
6655         (ix86_split_to_parts): Support splitting into 4 parts and
6656         support TFmode for 32bit target.
6657         (ix86_split_long_move): Support splitting into 4 parts.
6658         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
6659         for SSE2.
6660         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
6661         (ix86_init_builtins): Here.
6662         (ix86_scalar_mode_supported_p): Always return true for TFmode.
6663         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
6664         'q' and 'w', respectively.
6665
6666         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
6667         TARGET_64BIT.
6668         (movtf_internal): Likewise.
6669         (<code>tf2): Likewise.
6670         (*absnegtf2_sse): Likewise.
6671         (copysign<mode>3): Likewise.
6672         (copysign<mode>3_const): Likewise.
6673         (copysign<mode>3_var): Likewise.
6674         (define_split UNSPEC_COPYSIGN): Likewise.
6675         * config/i386/sse.md (*nandtf3): Likewise.
6676         (<code>tf3): Likewise.
6677         (*<code>tf3): Likewise.
6678
6679 2008-06-30  Joey Ye  <joey.ye@intel.com>
6680             H.J. Lu  <hongjiu.lu@intel.com>
6681
6682         * global.c (compute_regsets): Set frame_pointer_needed here.
6683         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
6684
6685 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6686
6687         * doc/install.texi (specific): Expand Windows build notes.
6688
6689 2008-06-30  Ira Rosen  <irar@il.ibm.com>
6690
6691         PR tree-optimization/36648
6692         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
6693         number of prolog iterations by step. Fix the comment.
6694
6695 2008-06-30  Richard Guenther  <rguenther@suse.de>
6696
6697         PR middle-end/36671
6698         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
6699         handle calls from ECF_MALLOC functions.
6700         (handle_pure_call): ECF_MALLOC functions do not return
6701         call-used memory.
6702         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
6703
6704 2008-06-29  Andreas Schwab  <schwab@suse.de>
6705
6706         * config/m68k/m68k.c (print_operand): Always print a float
6707         constant in hex.
6708         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
6709         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
6710         Remove macros.
6711
6712         * config/rs6000/x-linux64: Remove never used file.
6713
6714 2008-06-29  Richard Guenther  <rguenther@suse.de>
6715
6716         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
6717         prototype.
6718         (struct alias_info): Move ...
6719         * tree-ssa-alias.c: ... here.
6720         (update_alias_info): Declare.
6721         (compute_may_aliases): Call it.
6722         (update_alias_info): New function.
6723         * tree-ssa-structalias.c (update_alias_info): Move ...
6724         * tree-ssa-alias.c (update_alias_info_1): ... here.
6725         * tree-ssa-structalias.c (process_constraint_1): Remove
6726         unused from_call argument.  Rename to ...
6727         (process_constraint): ... this.  Delete old wrapper.
6728         (make_constraint_to): Adjust callers.
6729         (handle_const_call): Likewise.
6730         (handle_pure_call): Likewise.
6731         (init_base_vars): Likewise.
6732         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
6733         (find_func_aliases): We don't need structure copies for
6734         complex types.
6735         (make_constraint_from_anything): Remove.
6736         (create_variable_info_for): For globals make constraints
6737         from escaped, not from anything.
6738         (compute_points_to_sets): Do not call update_alias_info.
6739         (ipa_pta_execute): Use make_constraint_from.
6740
6741 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6742
6743         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
6744         (bitmap.o-warn, dominance.o-warn): New.
6745         * configure.ac (cxx_compat_warn): Delete.
6746         (loose_warn): Add -Wcast-qual and -Wc++-compat.
6747         * system.h: Remove #pragma diagnostic for -Wcast-qual and
6748         -Wc++-compat.
6749         * configure: Regenerate.
6750
6751         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
6752         warnings.
6753
6754 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6755
6756         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
6757         * df-scan.c (df_notes_rescan): Likewise.
6758         * ggc-page.c (set_page_table_entry): Likewise.
6759         * intl.c (gcc_gettext_width): Likewise.
6760         * varasm.c (get_unnamed_section, get_noswitch_section,
6761         get_section): Likewise.
6762
6763 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
6764
6765         * regrename.c (build_def_use): Don't copy RTX.
6766
6767 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
6768
6769         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
6770         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
6771         punctuation.  Use @ref instead of @xref.
6772         (Function Names): Remove stray @display/@end display.
6773         (C++ Attributes): Use @ref instead of @xref.
6774         (Deprecated Features): Fix punctuation around @xref.
6775         (Backwards Compatibility): Likewise.
6776         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
6777
6778 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
6779
6780         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
6781         constants for E500 double.
6782
6783 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6784
6785         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
6786         element type of const_vector.
6787
6788 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
6789
6790         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
6791         Remove FLAGS_REG clobber from expander pattern.
6792         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
6793         (anddi3, andsi3, andhi3, andqi3): Ditto.
6794         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
6795         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
6796         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
6797         (ashlsi3, ashlhi3, ashlqi3): Ditto.
6798         (ashrsi3, ashrhi3, ashrqi3): Ditto.
6799         (lshrsi3, lshrhi3, lshrqi3): Ditto.
6800         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
6801         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
6802
6803 2008-06-28  Richard Guenther  <rguenther@suse.de>
6804
6805         * tree-ssa-structalias.c (callused_id, var_callused,
6806         callused_tree): Add.
6807         (handle_pure_call): New function.
6808         (find_func_aliases): Call it.
6809         (find_what_p_points_to): Handle the call-used set.
6810         (clobber_what_escaped): Likewise.
6811         (compute_call_used_vars): New function.
6812         (init_base_vars): Init the call-used variable.
6813         (do_sd_constraint): Do not propagate the solution from CALLUSED
6814         but use CALLUSED as a placeholder.
6815         (solve_graph): Likewise.
6816         * tree-flow-inline.h (gimple_call_used_vars): New function.
6817         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
6818         (compute_call_used_vars): Declare.
6819         * tree-ssa-alias.c (set_initial_properties): Call
6820         compute_call_used_vars.
6821         (reset_alias_info): Clear call-used variables.
6822         (add_call_clobber_ops): Assert we are not called for const/pure
6823         functions.  Remove handling of them.
6824         (add_call_read_ops): Handle pure functions by adding the
6825         call-used set of variables as VUSEs.
6826         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
6827         (delete_tree_ssa): Free it.
6828         * tree-dfa.c (remove_referenced_var): Clear the var from the
6829         call-used bitmap.
6830
6831 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
6832
6833         * tree.c (build_varargs_function_type_list): New.
6834         (build_function_type_list_1): New.
6835         (build_function_type_list): Use build_function_type_list_1.
6836         * tree.h (build_varargs_function_type_list): New.
6837
6838 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6839
6840         PR target/34856
6841         * config/spu/spu.c (spu_builtin_splats): Do not generate
6842         invalid CONST_VECTOR expressions.
6843         (spu_expand_vector_init): Likewise.
6844
6845 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
6846
6847         * optabs.c (libfunc_decls): New variable.
6848         (libfunc_decl_hash, libfunc_decl_eq): New functions.
6849         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
6850         for the same function twice.
6851
6852 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
6853
6854         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
6855         ix86_expand_binary_operator directly.
6856         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
6857         for operand 2.
6858         (*ashrti3_1): Ditto.
6859         (*lshrti3_1): Ditto.
6860         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
6861         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
6862         using only one splitter.  Conditionaly execute splitter before or
6863         after peephole2 pass.
6864         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
6865         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
6866         Use only one alternative in asm template.
6867         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
6868         in asm template.
6869         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
6870         "J" operand constraint for operand 2.
6871         (*ashldi3_cconly_rex64): Ditto.
6872         (*ashrdi3_cmp_rex64): Ditto.
6873         (*ashrdi3_cconly_rex64): Ditto.
6874         (*lshrdi3_cmp_rex64): Ditto.
6875         (*lshrdi3_cconly_rex64): Ditto.
6876         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
6877         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
6878         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
6879         gen_x86_shrd_1.
6880
6881 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
6882
6883         * gimplify.c (omp_is_private): Don't return true if decl is not
6884         already private on #pragma omp for or #pragma omp parallel for.
6885
6886         PR debug/36617
6887         * tree-cfg.c (struct move_stmt_d): Replace block field with
6888         orig_block and new_block fields.
6889         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
6890         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
6891         (move_block_to_fn): Replace vars_map and new_label_map arguments
6892         with struct move_stmt_d pointer.
6893         (replace_block_vars_by_duplicates): New function.
6894         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
6895         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
6896         all subblocks of ORIG_BLOCK to the new function.  Call
6897         replace_block_vars_by_duplicates.
6898         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
6899         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
6900         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
6901         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
6902         (expand_omp): Temporarily set input_location to the location of
6903         region's controlling stmt.
6904         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
6905         BIND_EXPR, push ctx->block_vars and gimplification vars into
6906         the BIND_EXPR and its block's BLOCK_VARS instead of directly
6907         into dest function.
6908         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
6909         there are any BLOCK_VARS.
6910         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
6911         OMP_PARALLEL or OMP_TASK stmt.
6912         (lower_omp): Save and restore input_location around the lower_omp_1
6913         call.
6914
6915 2008-06-27  Richard Guenther  <rguenther@suse.de>
6916
6917         PR tree-optimization/36400
6918         PR tree-optimization/36373
6919         PR tree-optimization/36344
6920         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
6921         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
6922         (update_alias_info): Remove call clobbering code.
6923         (make_constraint_to): New helper function.
6924         (make_escape_constraint): Likewise.
6925         (handle_rhs_call): Use it on all pointer containing arguments.
6926         Also mark the static chain escaped.
6927         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
6928         instead of ANYTHING.
6929         (make_constraint_from): New helper split out from ...
6930         (make_constraint_from_anything): ... here.
6931         (find_func_aliases): Add constraints for escape sites.
6932         (intra_create_variable_infos): Make constraints from NONLOCAL
6933         for parameters.
6934         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
6935         as ANYTHING.
6936         (clobber_what_p_points_to): Remove.
6937         (clobber_what_escaped): New function.
6938         (init_base_vars): Init NONLOCAL and ESCAPED.
6939         (do_sd_constraint): Do not propagate the solution from ESCAPED
6940         but use ESCAPED as a placeholder.
6941         (solve_graph): Likewise.
6942         * tree-flow.h (clobber_what_p_points_to): Remove.
6943         (clobber_what_escaped): Declare.
6944         * tree-ssa-alias.c (set_initial_properties): Call it.
6945         Remove code clobbering escaped pointers.
6946
6947 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6948
6949         * function.c (allocate_struct_function): Only allocate a unique
6950         funcdef_no if the decl is nonzero.
6951
6952 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
6953
6954         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
6955         * config/mips/mips.c (mips_split_const_insns): New function.
6956         * config/mips/mips.md (move_type): New attribute.
6957         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
6958         (dword_mode): New attribute.
6959         (type): Avoid long line.  Map "move_type"s to "type"s,
6960         choosing "multi" for doubleword moves if appropriate.
6961         Swap MTC/MFC comments to match their declaration order.
6962         (extended_mips16): Default to "yes" if "move_type" is "sll0",
6963         "type" is "branch" or "jal" is "direct".
6964         (length): Handle "extended_mips16" first.  Make the default
6965         "0" for "ghost" instructions.  Set the length from "move_type".
6966         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
6967         of "type", with "sll0" for the register alternative.  Remove the
6968         "extended_mips16" attribute.
6969         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
6970         of "type", with "shift_shift" for the register alternative.
6971         Remove the "length" attribute.
6972         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
6973         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
6974         of "type", with "andi" for the register alternative.
6975         (*zero_extendqihi2): Likewise.
6976         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
6977         of "andi" instead of a "type" of "arith".
6978         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
6979         instead of "type".
6980         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
6981         (mov_<store>r, *mov<mode>_ra): Likewise.
6982         (extendsidi2): Use "move_type" instead of "type", with "move"
6983         for the register alternative.
6984         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
6985         of "type", with "signext" for the register alternative.
6986         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
6987         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
6988         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
6989         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
6990         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
6991         (unnamed branch insn): Likewise.
6992         (*movdi_gp32_fp64): Fold into...
6993         (*movdi_32bit): ...here.
6994         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
6995         (*movdf_hardfloat): ...this new pattern.
6996         (*movdf_softfloat): Remove redundant FPR alternatives.
6997         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
6998         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
6999         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
7000         the "move" attribute.
7001         (*movdi_32bit): Use "move_type" instead of "type" and remove the
7002         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
7003         and "store" for COP loads and stores.
7004         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
7005         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
7006         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
7007         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
7008         (*movtf_mips16, *movv2sf): Likewise.
7009         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
7010         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
7011         (mfhc1<mode>): Use "move_type" instead of "move".
7012         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
7013         (loadgp_blockage): Remove the "length" attribute.
7014         (blockage, set_got_version, update_got_version): Likewise.
7015         (call_internal): Remove the "extended_mips16" attribute.
7016         (call_value_internal, call_value_multiple_internal): Likewise.
7017         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
7018         instead of "move".
7019         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
7020         the "length" attribute.
7021
7022 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7023
7024         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
7025         -Wcast-qual warnings.
7026         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
7027         handle_pragma_pop_macro): Likewise.
7028         * collect2.c (resolve_lib_name): Likewise.
7029         * config/arc/arc.c (arc_init): Likewise.
7030         * config/arm/arm.c (neon_builtin_compare,
7031         locate_neon_builtin_icode): Likewise.
7032         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
7033         * config/bfin/bfin.c (bfin_init_machine_status,
7034         bfin_optimize_loop): Likewise.
7035         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7036         * config/cris/cris.c (cris_init_expanders): Likewise.
7037         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
7038         * config/darwin.c (machopic_indirection_eq,
7039         machopic_indirection_name, machopic_output_indirection): Likewise.
7040         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
7041         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
7042         frv_optimize_membar): Likewise.
7043         * config/i386/cygwin.h (mingw_scan,
7044         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
7045         * config/i386/cygwin1.c (mingw_scan): Likewise.
7046         * config/i386/i386.c (machopic_output_stub): Likewise.
7047         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
7048         i386_pe_unique_section): Likewise.
7049         * config/ia64/ia64.c (ia64_init_machine_status,
7050         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
7051         Likewise.
7052         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
7053         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
7054         * config/m68k/m68k.c (m68k_handle_option,
7055         m68k_sched_md_init_global): Likewise.
7056         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
7057         mcore_unique_section): Likewise.
7058         * config/mips/mips.c (mips_block_move_straight,
7059         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
7060         Likewise.
7061         * config/mmix/mmix.c (mmix_init_machine_status,
7062         mmix_encode_section_info): Likewise.
7063         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
7064         * config/rs6000/rs6000.c (rs6000_init_machine_status,
7065         print_operand_address, output_toc, redefine_groups,
7066         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
7067         * config/s390/s390.c (s390_init_machine_status): Likewise.
7068         * config/score/score.c (score_block_move_straight,
7069         score_block_move_loop_body): Likewise.
7070         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
7071         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
7072         * emit-rtl.c (find_auto_inc): Likewise.
7073         * gcc.c (translate_options, process_command): Likewise.
7074         * reorg.c (dbr_schedule): Likewise.
7075         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
7076         * xcoffout.c (xcoffout_declare_function): Likewise.
7077
7078 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
7079
7080         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
7081         ipa-pta working again.
7082
7083 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
7084
7085         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
7086         genautomata.
7087
7088 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
7089
7090         * config.gcc (powerpc*-*-*): Add new core e500mc.
7091         * config/rs6000/e500mc.md: New file.
7092         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7093         e500mc.
7094         (rs6000_override_options): Add e500mc case to
7095         processor_target_table. Altivec and Spe options not allowed
7096         with e500mc. Add isel instruction to e500mc by
7097         default. Initialize rs6000_cost for e500mc.
7098         (rs6000_issue_rate): Set issue rate for e500mc.
7099         * config/rs6000/rs6000.h (processor_type): Add
7100         PROCESSOR_PPCE500MC.
7101         (ASM_CPU_SPEC): Add e500mc.
7102         Set TARGET_ISEL to rs6000_isel.
7103         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
7104         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
7105         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
7106         Include e500mc.md.
7107         * doc/invoke.texi: Add e500mc to list of cpus.
7108
7109 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7110
7111         PR c/34867
7112         * c-lex.c (lex_charconst): Initialize unsignedp.
7113
7114 2008-06-27  Olivier Hainque  <hainque@adacore.com>
7115
7116         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
7117         documented assumptions.
7118
7119 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
7120
7121         * dwarf2out.c: Remove trailing white spaces.  Break long line
7122         in comments.
7123
7124 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
7125
7126         * libfuncs.h (LTI_synchronize): New libfunc_index.
7127         (synchronize_libfunc): Declare.
7128         * builtins.c (expand_builtin_synchronize): Consider using
7129         synchronize_libfunc before falling back on an asm blockage.
7130         * config/mips/mips.c: Include libfuncs.h
7131         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
7132
7133 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
7134
7135         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
7136         parameter.  Copy stack_reg to r11 where appropriate.
7137         (no_global_regs_above): Add gpr parameter.
7138         (rs6000_stack_info): Only add padding for SPE save area if we
7139         are saving SPE GPRs and CR.
7140         (saveres_routine_syms): New variable.
7141         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
7142         Define.
7143         (rs6000_savres_routine_sym): New function.
7144         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
7145         split out of...
7146         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
7147         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
7148         Tweak FPR out-of-line saving.
7149         (rs6000_make_savres_rtx): New function.
7150         (rs6000_use_multiple_p): New function.
7151         (rs6000_savres_strategy): New function.
7152         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
7153         out-of-line if appropriate.
7154         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
7155         if we are optimizing for size.
7156         (GP_SAVE_INLINE): Define.
7157         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
7158         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
7159         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
7160         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
7161         (*save_fpregs_<mode>): Add use of r11.
7162         (*restore_gpregs_<mode>): New insn.
7163         (*return_and_restore_gpregs_<mode>): New insn.
7164         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
7165         use r11.
7166         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
7167         (*restore_gpregs_spe): New insn.
7168         (*return_and_restore_gpregs_spe): New insn.
7169         * config/rs6000/predicates.md (save_world_operation): Fix check.
7170
7171 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7172
7173         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
7174         this point, so assert that.
7175
7176 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
7177
7178         * cfganal.c: Include vec.h and vecprim.h.
7179         (compute_idf): Import from...
7180         * tree-into-ssa (compute_idf): ...here.
7181         * basic-block.h (compute_idf): Export.
7182
7183 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
7184
7185         * c-decl.c (merge_decls): Use !current_function_decl to check for
7186         extern declaration of C99 inline function being at file scope.
7187
7188 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
7189
7190         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
7191
7192 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7193
7194         * alias.c (record_alias_subset, init_alias_analysis): Fix
7195         -Wc++-compat and/or -Wcast-qual warnings.
7196         * attribs.c (lookup_attribute_spec): Likewise.
7197         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
7198         copy_bb, connect_traces,
7199         find_rarely_executed_basic_blocks_and_cr): Likewise.
7200         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
7201         note_btr_set, migrate_btr_defs): Likewise.
7202         * builtins.c (result_vector, expand_builtin_memcpy,
7203         expand_builtin_mempcpy_args, expand_builtin_strncpy,
7204         builtin_memset_read_str, expand_builtin_printf,
7205         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
7206         Likewise.
7207         * caller-save.c (mark_set_regs): Likewise.
7208         * calls.c (expand_call, emit_library_call_value_1): Likewise.
7209         * cgraph.c (cgraph_edge): Likewise.
7210         * combine.c (likely_spilled_retval_1): Likewise.
7211         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
7212         htab_counts_entry_del, get_coverage_counts): Likewise.
7213         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
7214         new_cselib_val): Likewise.
7215         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
7216         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
7217         Likewise.
7218         * df-core.c (df_compact_blocks): Likewise.
7219         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
7220         * df-scan.c (df_grow_reg_info, df_ref_create,
7221         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
7222         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
7223         df_record_entry_block_defs, df_record_exit_block_uses,
7224         df_bb_verify): Likewise.
7225         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
7226         DF_REF_EXTRACT_MODE_CONST): New.
7227         * dominance.c (get_immediate_dominator, get_dominated_by,
7228         nearest_common_dominator, root_of_dom_tree,
7229         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
7230         -Wc++-compat and/or -Wcast-qual warnings.
7231         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
7232         record_store, replace_read, check_mem_read_rtx, scan_insn,
7233         dse_step1, dse_record_singleton_alias_set): Likewise.
7234         * dwarf2asm.c (dw2_force_const_mem): Likewise.
7235
7236 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7237
7238         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
7239         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
7240         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
7241         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
7242         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
7243         add_ranges_num, add_ranges_by_labels, file_info_cmp,
7244         file_name_acquire, output_file_names, add_const_value_attribute,
7245         premark_used_types_helper, file_table_eq, file_table_hash,
7246         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
7247         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
7248         -Wcast-qual warnings.
7249         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
7250         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
7251         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
7252         gen_reg_rtx, start_sequence, init_emit): Likewise.
7253         * et-forest.c (et_new_occ, et_new_tree): Likewise.
7254         * except.c (init_eh_for_function, gen_eh_region,
7255         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
7256         arh_to_landing_pad, arh_to_label, add_action_record,
7257         add_call_site, switch_to_exception_section): Likewise.
7258         * expmed.c (synth_mult): Likewise.
7259         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
7260         store_expr): Likewise.
7261         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
7262         Likewise.
7263         * function.c (assign_stack_temp_for_type,
7264         allocate_struct_function, match_asm_constraints_1): Likewise.
7265         * gcov-io.c (gcov_allocate): Likewise.
7266         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
7267         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
7268         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
7269         record_one_set, insert_expr_in_table, insert_set_in_table,
7270         dump_hash_table, compute_hash_table_work, alloc_hash_table,
7271         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
7272         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
7273         -Wcast-qual warnings.
7274
7275 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7276
7277         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
7278         -Wcast-qual warnings.
7279         * gcc.c (process_command): Likewise.
7280         * genattrtab.c (oballoc): Use XOBNEW.
7281         (oballocvec): Define.
7282         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
7283         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
7284         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
7285         -Wc++-compat and/or -Wcast-qual warnings.
7286         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
7287         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
7288         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
7289         gen_presence_absence_set, gen_automaton, gen_regexp_el,
7290         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
7291         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
7292         add_excls, process_presence_absence_names,
7293         process_presence_absence_patterns, add_presence_absence,
7294         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
7295         get_free_state, add_arc, get_free_automata_list_el,
7296         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
7297         transform_3, cache_presence, create_ainsns, create_automata,
7298         create_state_ainsn_table, dfa_insn_code_enlarge,
7299         output_trans_func, output_min_issue_delay_func,
7300         output_dead_lock_func, output_reset_func,
7301         output_get_cpu_unit_code_func, output_dfa_start_func,
7302         expand_automata): Likewise.
7303         * genextract.c (gen_insn): Likewise.
7304         * gengtype-lex.l: Likewise.
7305         * gengtype.c (read_input_list, adjust_field_type,
7306         process_gc_options): Likewise.
7307         * genoutput.c (note_constraint): Likewise.
7308         * genpreds.c (mangle, add_constraint): Likewise.
7309         * genrecog.c (process_define_predicate, new_decision,
7310         add_to_sequence): Likewise.
7311         * gensupport.c (record_insn_name): Likewise.
7312
7313 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7314
7315         * config/i386/driver-i386.c (detect_caches_amd,
7316         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
7317         and/or -Wcast-qual warnings.
7318         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
7319         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
7320         gt_pch_save): Likewise.
7321         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
7322         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
7323         * global.c (compute_regsets): Likewise.
7324         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
7325         finish_graph_dump_file): Likewise.
7326         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
7327         unlink_bb_notes): Likewise.
7328         * integrate.c (get_hard_reg_initial_val): Likewise.
7329         * ipa-prop.c (ipa_push_func_to_list): Likewise.
7330         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
7331         * local-alloc.c (update_equiv_regs): Likewise.
7332         * loop-invariant.c (check_invariant_table_size,
7333         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
7334         Likewise.
7335         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
7336         altered_reg_used, mark_altered): Likewise.
7337         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
7338         insert_var_expansion_initialization,
7339         combine_var_copies_in_loop_exit, apply_opt_in_copies,
7340         release_var_copies): Likewise.
7341         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
7342         analyze_matrix_decl, add_allocation_site, analyze_transpose,
7343         analyze_accesses_for_phi_node, check_var_notmodified_p,
7344         check_allocation_function, find_sites_in_func,
7345         record_all_accesses_in_func, transform_access_sites,
7346         transform_allocation_sites): Likewise.
7347         * omp-low.c (new_omp_region, create_omp_child_function_name,
7348         check_omp_nesting_restrictions, check_combined_parallel,
7349         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
7350         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
7351         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
7352         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
7353         Likewise.
7354         * opts-common.c (prune_options): Likewise.
7355         * opts.c (add_input_filename, print_filtered_help,
7356         get_option_state): Likewise.
7357         * params.c (add_params): Likewise.
7358         * passes.c (set_pass_for_id, next_pass_1,
7359         do_per_function_toporder, pass_fini_dump_file): Likewise.
7360         * postreload.c (reload_cse_simplify_operands): Likewise.
7361         * predict.c (tree_predicted_by_p, tree_predict_edge,
7362         clear_bb_predictions, combine_predictions_for_bb): Likewise.
7363
7364 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7365
7366         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
7367         warnings.
7368         * recog.c (check_asm_operands, validate_change_1): Likewise.
7369         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
7370         subst_asm_stack_regs): Likewise.
7371         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
7372         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
7373         * regmove.c (reg_is_remote_constant_p): Likewise.
7374         * regrename.c (regrename_optimize, scan_rtx_reg,
7375         kill_clobbered_value, kill_set_value, kill_autoinc_value):
7376         Likewise.
7377         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
7378         regstat_compute_calls_crossed): Likewise.
7379         * reload1.c (init_reload, new_insn_chain,
7380         has_nonexceptional_receiver, reload, copy_reloads,
7381         calculate_needs_all_insns, init_elim_table): Likewise.
7382         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
7383         * rtl.c (shallow_copy_rtx_stat): Likewise.
7384         * rtlanal.c (parms_set): Likewise.
7385         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
7386         sbitmap_resize, sbitmap_vector_alloc): Likewise.
7387         * sched-ebb.c (earliest_block_with_similiar_load,
7388         add_deps_for_risky_insns): Likewise.
7389         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
7390         schedule_region): Likewise.
7391         * see.c (eq_descriptor_pre_extension,
7392         hash_descriptor_pre_extension, hash_del_pre_extension,
7393         eq_descriptor_properties, hash_descriptor_properties,
7394         hash_del_properties, see_seek_pre_extension_expr,
7395         see_initialize_data_structures, see_print_register_properties,
7396         see_print_pre_extension_expr, see_delete_merged_def_extension,
7397         see_delete_unmerged_def_extension, see_emit_use_extension,
7398         see_pre_delete_extension, see_map_extension, see_commit_changes,
7399         see_analyze_merged_def_local_prop,
7400         see_analyze_merged_def_local_prop,
7401         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
7402         see_set_prop_merged_def, see_set_prop_unmerged_def,
7403         see_set_prop_unmerged_use, see_print_one_extension,
7404         see_merge_one_use_extension, see_merge_one_def_extension,
7405         see_store_reference_and_extension, see_update_uses_relevancy,
7406         see_update_defs_relevancy): Likewise.
7407         * statistics.c (hash_statistics_hash, hash_statistics_eq,
7408         hash_statistics_free, curr_statistics_hash): Likewise.
7409         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
7410         expand_asm_operands, expand_return, case_bit_test_cmp,
7411         expand_case): Likewise.
7412         * stor-layout.c (start_record_layout): Likewise.
7413         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
7414         gt_pch_save_stringpool): Likewise.
7415         * tree-data-ref.c (hash_stmt_vertex_info,
7416         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
7417         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
7418
7419 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
7420
7421         PR target/36627
7422         * config/i386/i386.md : Change constraints of HImode and QImode
7423         immediate operands from "i" to "n".  Change SImode "ni" constraint to
7424         "i" and SImode "rmi" constraint to "g".  Remove all constraints
7425         from const0_operand and const1_operand predicated operands.
7426         (i): Change QImode and HImode attribute from "i" to "n".
7427         (*subqi_2): Change HImode operands to QImode.
7428         (*subqi_3): Ditto.
7429
7430 2008-06-25  Olivier Hainque  <hainque@adacore.com>
7431
7432         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
7433         sed substitutions.
7434
7435 2008-06-25  Richard Guenther  <rguenther@suse.de>
7436
7437         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
7438         not overflow the result type.
7439
7440 2008-06-25  Richard Guenther  <rguenther@suse.de>
7441
7442         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
7443         (vn_lookup): Likewise.
7444
7445 2008-06-25  Richard Guenther  <rguenther@suse.de>
7446
7447         PR tree-optimization/35518
7448         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
7449         * tree-sra.c (instantiate_element): Use fold_build3 to build
7450         BIT_FIELD_REFs.
7451         (try_instantiate_multiple_fields): Likewise.
7452
7453 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7454
7455         * config/rs6000/rs6000.md: Change all string instruction's clobber to
7456         be early clobbers.
7457
7458 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7459
7460         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
7461         use_backchain_to_restore_sp to true
7462         if the offset of the link register save area would go over the 32k - 1
7463         offset limit of the load
7464         instructions.
7465
7466 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
7467
7468         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
7469         anchor for the type-punning blurb.  Cross-reference "Structures
7470         unions enumerations and bit-fields implementation".  Provide a
7471         cast-through-pointer example.  Make final sentence self-contained.
7472         * doc/implement-c.texi (Structures unions enumerations and
7473         bit-fields implementation): Cross-reference the type-punning blurb
7474         in the -fstrict-aliasing documentation.
7475
7476 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7477
7478         PR middle-end/36594
7479         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
7480         the memory instead of the memory itself for the save area.
7481
7482 2008-06-24  Olivier Hainque  <hainque@adacore.com>
7483             Nicolas Roche  <roche@adacore.com>
7484
7485         * gengtype.c (srcdir_len): size_t instead of int.
7486         (get_file_realbasename): New function.  For F a filename, the real
7487         basename of F, with all the path components stripped.
7488         (get_file_srcdir_relative_path): New function.  For F a filename, the
7489         relative path to F from $(srcdir).
7490         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
7491         get_file_realbasename.  Adjust the head comment.
7492         (get_prefix_langdir_index): New function. For F a filename, return the
7493         lang_dir_names[] relative index of the language directory that is
7494         a prefix in F.
7495         (get_file_langdir): For F a filename, return the name of the language
7496         directory where F is located.
7497         (get_file_gtfilename): New function. The gt- output file name for an
7498         input filename F.
7499         (get_output_file_with_visibility): Replace in-line computations with
7500         uses of get_file_gtfilename and get_prefix_langdir_index.
7501         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
7502
7503 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
7504
7505         PR tree-optimization/36504
7506         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
7507         references without base address.
7508
7509 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7510
7511         PR middle-end/36584
7512         * calls.c (expand_call): Increase alignment for recursive functions.
7513
7514 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
7515
7516         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
7517         (TARGET_FUNCTION_VALUE): New define.
7518         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
7519         * config/avr/avr.h (FUNCTION_VALUE): Remove.
7520
7521 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7522
7523         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
7524         (fmod<mode>3): Ditto.
7525         (remainderxf3): Ditto.
7526         (remainder<mode>3): Ditto.
7527
7528 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
7529
7530         PR target/36533
7531         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
7532         REG is a hard register.
7533
7534         PR tree-optimization/36508
7535         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
7536         499, don't check it at all in release compilers.
7537
7538 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
7539
7540         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
7541         together with SSE_TARGET_MATH to disable insn pattern.
7542         (*fop_<MODEF:mode>_2_i387): Ditto.
7543         (*fop_<MODEF:mode>_3_i387): Ditto.
7544
7545 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
7546
7547         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
7548
7549 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
7550
7551         PR middle-end/34906
7552         * gimplify.c (gimplify_asm_expr): Check the return code of
7553         parse_output_constraint call, set function return and is_inout
7554         value if it failed.
7555
7556 2008-06-22  Ian Lance Taylor  <iant@google.com>
7557
7558         * c-lex.c (narrowest_unsigned_type): Change itk to int.
7559         (narrowest_signed_type): Likewise.
7560         * c-typeck.c (c_common_type): Change local variable mclass to enum
7561         mode_class, twice.
7562         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
7563         tcc_comparison, not the tree code itself.
7564         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
7565         (c_expand_expr): Cast modifier to enum expand_modifier.
7566         * c-common.h (C_RID_CODE): Add casts.
7567         (C_SET_RID_CODE): Define.
7568         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
7569         (c_lex_one_token): Add cast to avoid warning.
7570         (c_parser_objc_type_name): Rename local typename to type_name.
7571         (check_no_duplicate_clause): Change code parameter to enum
7572         omp_clause_code.
7573         (c_parser_omp_var_list_parens): Change kind parameter to enum
7574         omp_clause_code.
7575         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
7576         c_parser_omp_list_var_parens.
7577         (c_parser_omp_threadprivate): Likewise.
7578         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
7579         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
7580         * c-format.c (NO_FMT): Define.
7581         (printf_length_specs): Use NO_FMT.
7582         (asm_fprintf_length_specs): Likewise.
7583         (gcc_diag_length_specs): Likewise.
7584         (scanf_length_specs): Likewise.
7585         (strfmon_length_specs): Likewise.
7586         (gcc_gfc_length_specs): Likewise.
7587         (printf_flag_specs): Change 0 to STD_C89.
7588         (asm_fprintf_flag_specs): Likewise.
7589         (gcc_diag_flag_specs): Likewise.
7590         (gcc_cxxdiag_flag_specs): Likewise.
7591         (scanf_flag_specs): Likewise.
7592         (strftime_flag_specs): Likewise.
7593         (strfmon_flag_specs): Likewise.
7594         (print_char_table): Likewise.
7595         (asm_fprintf_char_table): Likewise.
7596         (gcc_diag_char_table): Likewise.
7597         (gcc_tdiag_char_table): Likewise.
7598         (gcc_cdiag_char_table): Likewise.
7599         (gcc_cxxdiag_char_table): Likewise.
7600         (gcc_gfc_char_table): Likewise.
7601         (scan_char_table): Likewise.
7602         (time_char_table): Likewis.
7603         (monetary_char_table): Likewise.
7604         * c-format.h (BADLEN): Likewise.
7605
7606 2008-06-21  Ian Lance Taylor  <iant@google.com>
7607
7608         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
7609         Define END_OF_BASE_TREE_CODES around inclusion.
7610         * tree.c (tree_code_type): New global array.
7611         (tree_code_length, tree_code_name): Likewise.
7612         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
7613         $(lang_tree_files).
7614         (all-tree.def, s-alltree): New targets.
7615         (gencheck.h, s-gencheck): Remove.
7616         (tree.o): Depend upon all-tree.def.
7617         (build/gencheck.o): Remove gencheck.h dependency.
7618         (mostlyclean): Don't remove gencheck.h.
7619         * c-common.h (enum c_tree_code): Remove.
7620         * c-lang.c (tree_code_type): Remove.
7621         (tree_code_length, tree_code_name): Remove.
7622         * gencheck.c (tree_codes): Include all-tree.def, rather than
7623         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
7624         after it is used.
7625         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
7626         than tree.def.
7627         * cp/cp-tree.h (enum cplus_tree_code): Remove.
7628         (operator_name_info): Size to MAX_TREE_CODES.
7629         (assignment_operator_name_info): Likewise.
7630         * cp/cp-lang.c (tree_code_type): Remove.
7631         (tree_code_length, tree_code_name): Remove.
7632         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
7633         (assignment_operator_name_info): Likewise.
7634         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
7635         MAX_TREE_CODES.
7636         * cp/mangle.c (write_expression): Likewise.
7637         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
7638         * fortran/f95-lang.c (tree_code_type): Remove.
7639         (tree_code_length, tree_code_name): Remove.
7640         * java/java-tree.h (enum java_tree_code): Remove.
7641         * java/lang.c (tree_code_type): Remove.
7642         (tree_code_length, tree_code_name): Remove.
7643         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
7644         * objc/objc-act.h (enum objc_tree_code): Remove.
7645         * objc/objc-lang.c (tree_code_type): Remove.
7646         (tree_code_length, tree_code_name): Remove.
7647         * objcp/objcp-lang.c (tree_code_type): Remove.
7648         (tree_code_length, tree_code_name): Remove.
7649         * ada/ada-tree.h (enum gnat_tree_code): Remove.
7650         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
7651         * ada/misc.c (tree_code_type): Remove.
7652         (tree_code_length, tree_code_name): Remove.
7653
7654 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
7655
7656         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
7657         the grand_bitmap_obstack.
7658
7659 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7660
7661         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
7662         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
7663         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
7664         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
7665         move_stmt_r, new_label_mapper): Likewise.
7666         * tree-complex.c (cvc_lookup): Likewise.
7667         * tree-dfa.c (create_function_ann): Likewise.
7668         * tree-dump.c (dump_register): Likewise.
7669         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
7670         find_phi_replacement_condition): Likewise.
7671         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
7672         tree_function_versioning): Likewise.
7673         * tree-into-ssa.c (cmp_dfsnum): Likewise.
7674         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
7675         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
7676         get_nonlocal_debug_decl, convert_nonlocal_reference,
7677         convert_nonlocal_omp_clauses, get_local_debug_decl,
7678         convert_local_reference, convert_local_omp_clauses,
7679         convert_nl_goto_reference, convert_nl_goto_receiver,
7680         convert_tramp_reference, convert_call_expr): Likewise.
7681         * tree-outof-ssa.c (contains_tree_r): Likewise.
7682         * tree-parloops.c (reduction_phi, initialize_reductions,
7683         eliminate_local_variables_1, add_field_for_reduction,
7684         add_field_for_name, create_phi_for_local_result,
7685         create_call_for_reduction_1, create_loads_for_reductions,
7686         create_stores_for_reduction, create_loads_and_stores_for_name):
7687         Likewise.
7688         * tree-phinodes.c (allocate_phi_node): Likewise.
7689         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
7690         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
7691         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
7692         * tree-ssa-coalesce.c (compare_pairs): Likewise.
7693         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
7694         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
7695         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
7696         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
7697         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
7698         vn_nary_op_insert): Likewise.
7699         * tree-ssa.c (redirect_edge_var_map_add,
7700         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
7701         * tree-vectorizer.c (vectorize_loops): Likewise.
7702         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
7703         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
7704         tree_cons_stat, build1_stat, build_variant_type_copy,
7705         decl_init_priority_lookup, decl_fini_priority_lookup,
7706         decl_priority_info, decl_restrict_base_lookup,
7707         decl_restrict_base_insert, decl_debug_expr_lookup,
7708         decl_debug_expr_insert, decl_value_expr_lookup,
7709         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
7710         type_hash_add, get_file_function_name, tree_check_failed,
7711         tree_not_check_failed, tree_range_check_failed,
7712         omp_clause_range_check_failed, build_omp_clause,
7713         build_vl_exp_stat): Likewise.
7714         * value-prof.c (gimple_histogram_value,
7715         gimple_duplicate_stmt_histograms): Likewise.
7716         * var-tracking.c (attrs_list_insert, attrs_list_copy,
7717         unshare_variable, variable_union_info_cmp_pos, variable_union,
7718         dataflow_set_different_1, dataflow_set_different_2,
7719         vt_find_locations, variable_was_changed, set_variable_part,
7720         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
7721         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
7722         section_entry_hash, object_block_entry_eq,
7723         object_block_entry_hash, create_block_symbol,
7724         initialize_cold_section_name, default_function_rodata_section,
7725         strip_reg_name, set_user_assembler_name, const_desc_eq,
7726         build_constant_desc, output_constant_def, lookup_constant_def,
7727         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
7728         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
7729         default_internal_label): Likewise.
7730         * varray.c (varray_init, varray_grow): Likewise.
7731         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
7732
7733 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
7734
7735         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
7736         operators for "test" insn.  Macroize insn using SWI mode macro.
7737         (*jcc_fused_2): Ditto.
7738         (*jcc_fused_3): Macroize insn using SWI mode macro.
7739         (*jcc_fused_4): Ditto.
7740
7741 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
7742
7743         * tree-ssa-pre.c: Fix typo in comment.
7744         (init_antic, fini_antic): Add explicit funtions for
7745         initializing and deinitializing ANTIC and AVAIL sets.
7746         (create_expression_by_pieces): Fix typo in comment.
7747         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
7748         (execute_pre): Eventually dump details about ANTIC_IN.
7749
7750 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7751
7752         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
7753         * gcc.c (translate_options, init_spec, store_arg, read_specs,
7754         add_to_obstack, file_at_path, find_a_file, execute,
7755         add_preprocessor_option, add_assembler_option, add_linker_option,
7756         process_command, insert_wrapper, do_option_spec, do_self_spec,
7757         spec_path, do_spec_1, is_directory, main, used_arg,
7758         getenv_spec_function): Likewise.
7759         * tlink.c (symbol_hash_lookup, file_hash_lookup,
7760         demangled_hash_lookup, symbol_push, file_push, frob_extension):
7761         Likewise.
7762
7763 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
7764
7765         * doc/rtl.texi: Updated subreg section.
7766
7767 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
7768
7769         PR c++/36523
7770         * cgraphunit.c (cgraph_process_new_functions): Don't clear
7771         node->needed and node->reachable.
7772         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
7773         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
7774         (expand_task_call): Don't call expand_task_copyfn.
7775         (expand_task_copyfn): Renamed to...
7776         (finalize_task_copyfn): ... this.
7777
7778 2008-06-19  Jan Hubicka  <jh@suse.cz>
7779
7780         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
7781         clobbering framepointer.
7782
7783 2008-06-19  Jan Hubicka  <jh@suse.cz>
7784
7785         * tree-optimize.c (execute_early_local_optimizations): Set
7786         cgraph_state only at first invocation.
7787
7788 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7789
7790         * system.h (-Wc++-compat): Activate as a warning, no an error.
7791
7792 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7793
7794         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
7795         instead of "#" in insn asm template.
7796         (*jcc_fused_2): Ditto.
7797
7798 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
7799
7800         * config/i386/i386.h (ix86_tune_indices)
7801         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
7802         (TARGET_FUSE_CMP_AND_BRANCH): New define.
7803         * config/i386/i386.md (*jcc_fused_1): New insn pattern
7804         (*jcc_fused_2): Ditto.
7805         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
7806         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
7807         (print operand): Handle 'E' and 'e' code.
7808
7809 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
7810
7811         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
7812         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7813         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7814
7815 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
7816
7817         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
7818         node->decl.
7819         (cgraph_expand_function): Use local copy of decl.
7820         (cgraph_expand_all_functions): Remove redundant initialization of
7821         order_pos.
7822         (cgraph_optimize): Reword internal_error message.
7823
7824 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
7825
7826         * arm-protos.h (arm_return_in_memory): Remove public
7827         arm_return_in_memory() prototype.
7828         * arm.c (arm_return_in_memory): Add static prototype, add target
7829         hook macro, change definition and comments.
7830         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
7831
7832 2008-06-19  Ben Elliston  <bje@au.ibm.com>
7833
7834         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
7835         real.c: Remove references to IEEE 754R.
7836         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
7837         * doc/libgcc.texi (Decimal float library routines): Likewise.
7838
7839 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7840
7841         * targhooks.h (struct gcc_target): New member unwind_word_mode.
7842         (default_unwind_word_mode): Add prototype.
7843         * targhooks.c (default_unwind_word_mode): New function.
7844         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
7845         instead of word_mode.
7846         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
7847         (TARGET_INITIALIZER): Use it.
7848
7849         * c-common.c (handle_mode_attribute): Support "unwind_word"
7850         mode attribute.
7851         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
7852
7853         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
7854         word_mode to access SjLj_Function_Context member "data".
7855         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
7856         conversion from targetm.eh_return_filter_mode () to
7857         targetm.unwind_word_mode () if they differ.
7858
7859         * builtin-types.def (BT_UNWINDWORD): New primitive type.
7860         (BT_FN_UNWINDWORD_PTR): New function type.
7861         (BT_FN_WORD_PTR): Remove.
7862         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
7863         * except.c (expand_builtin_extend_pointer): Convert pointer to
7864         targetm.unwind_word_mode () instead of word_mode.
7865
7866         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
7867         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
7868         (spu_unwind_word_mode): New function.
7869         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
7870         (TARGET_UNWIND_WORD_MODE): Define.
7871         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
7872
7873 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
7874
7875         * config/spu/spu.c (reg_align): Remove.
7876         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
7877         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
7878         (spu_split_store): Likewise.
7879
7880 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
7881
7882         * gcc/tree-vn.c: Fix typo in comment.
7883
7884 2008-06-18  Jan Hubicka  <jh@suse.cz>
7885
7886         * cgraphunit.c (cgraph_optimize): Output debug info when doing
7887         toplevel reorder too.
7888
7889 2008-06-18  Jan Hubicka  <jh@suse.cz>
7890
7891         * c-opts.c (c_common_post_options): PCH is not compatible with
7892         no-unit-at-a-time.
7893         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
7894         -fno-toplevel-reorder by default now.
7895
7896 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7897
7898         PR documentation/30739
7899         * doc/install.texi (Prerequisites): Document dependency on awk.
7900
7901 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
7902             Ian Lance Taylor  <iant@google.com>
7903
7904         PR rtl-optimization/35604
7905         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
7906         only want to change jump destinations, not eventual label comparisons.
7907
7908 2008-06-16  Jan Hubicka  <jh@suse.cz>
7909
7910         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
7911         syntax errors.
7912         (cgraph_analyze_function): Likewise.
7913
7914 2008-06-16  Jan Hubicka  <jh@suse.cz>
7915
7916         * cgraph.h (cgraph_mark_if_needed): New function.
7917         * cgraphunit.c (cgraph_mark_if_needed): New function.
7918         * c-decl.c (duplicate_decl): Use it.
7919
7920 2008-06-16  Jan Hubicka  <jh@suse.cz>
7921
7922         * cgraph.c (cgraph_add_new_function): When in expansion state, do
7923         lowering.
7924
7925 2008-06-16  Jan Hubicka  <jh@suse.cz>
7926
7927         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
7928
7929 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
7930             Kazu Hirata  <kazu@codesourcery.com>
7931             Maxim Kuvyrkov  <maxim@codesourcery.com
7932
7933         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
7934         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
7935         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
7936         EXTRA_SPEC_FUNCTIONS.
7937         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
7938         (DRIVER_SELF_SPECS): Adjust.
7939         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
7940         * config/mips/st.h, config/mips/t-st: New.
7941         * config/mips/driver-native.c, config/mips/x-native: New.
7942         * doc/invoke.texi (MIPS): Document 'native' value for -march and
7943         -mtune options.
7944
7945 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
7946
7947         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
7948         from it.
7949         (ISA_HAS_FP_CONDMOVE): New macro.
7950         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
7951         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
7952         (ISA_HAS_NMADD3_NMSUB3): New macro.
7953         * config/mips/mips.c (mips_rtx_costs): Update.
7954         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
7955         compiling for ST Loongson 2E/2F.
7956         (madd<mode>): Rename to madd4<mode>.  Update.
7957         (madd3<mode>): New pattern.
7958         (msub<mode>): Rename to msub4<mode>.  Update.
7959         (msub3<mode>): New pattern.
7960         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
7961         (nmadd3<mode>): New pattern.
7962         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
7963         (nmadd3<mode>_fastmath): New pattern.
7964         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
7965         (nmsub3<mode>): New pattern.
7966         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
7967         (nmsub3<mode>_fastmath): New pattern.
7968         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
7969
7970 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
7971
7972         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
7973         (DF_REF_INSN_INFO): New.
7974         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
7975         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
7976         with a NULL DF_REF_INSN_INFO.
7977         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
7978         DF_INSN_SET.
7979         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
7980         DF_INSN_INFO_EQ_USES): New.
7981         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
7982         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
7983         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
7984         * df-core.c: Update comment for above changes.
7985         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
7986         DF_INSN_UID_* macros.
7987         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
7988         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
7989         insn rtx.  Update all callers.
7990         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
7991         df_ref_create_structure, df_insn_refs_collect): Likewise.
7992         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
7993         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
7994         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
7995         macros to access the insn refs.
7996         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
7997         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
7998         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
7999         for accessing the refs.
8000         (try_fwprop_subst): Likewise.
8001         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
8002         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
8003         for accessing the refs.
8004         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
8005         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
8006         to look at the insn refs.
8007         (record_uses): Likewise.
8008         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
8009         function anymore.
8010         (mark_artificial_uses): Don't mark_insn for artificial refs.
8011         (mark_reg_rependencies): Likewise.
8012
8013         * doc/rtl.texi: Remove documentation of ADDRESSOF.
8014
8015 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8016
8017         * configure: Regenerate.
8018
8019 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8020
8021         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
8022         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8023         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8024
8025 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8026
8027         * config/avr/avr.c (avr_mcu_t): Add attiny167.
8028         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8029         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8030
8031 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
8032
8033         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
8034         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8035         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8036
8037 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8038
8039         * tree-ssa-sccvn.c: Fix format of comments.
8040
8041 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
8042
8043         * cgraph.c: Remove unneeded forward declarations of eq_node()
8044         and hash_node().
8045
8046 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
8047
8048         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
8049         REG_RETVAL notes.
8050         (see_update_relevancy): Likewise.
8051         * fwprop.c (try_fwprop_subst): Likewise.
8052         * rtlanal.c (noop_move_p): Likewise.
8053         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
8054         notes to non-existing libcall blocks.
8055         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
8056         Remove orig_set.
8057         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
8058         (dead_libcall_p): Remove.
8059         (delete_trivially_dead_insns): Don't use it.
8060         * web.c (union_defs): Remove comment about keeping nops.
8061         * gcse.c (hash_scan_insn): Don't take libcall pointers.
8062         (compute_hash_table_work): Don't track libcall notes.
8063         (do_local_cprop): Don't take libcall pointers.  Don't update
8064         libcall notes.
8065         (adjust_libcall_notes): Deleted.
8066         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
8067         ever have existed in the first place).
8068         (replace_store_insn): Don't try to remove libcall notes.
8069         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
8070         (resolve_reg_notes): Don't call them.
8071         (resolve_simple_move): Likewise.
8072         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
8073         Don't remove REG_RETVAL notes.
8074         * emit-rtl.c (try_split): Don't update libcall notes.
8075         (emit_copy_of_insn_after): Dito.
8076         * cselib.c (cselib_current_insn_in_libcall): Remove.
8077         (cselib_process_insn): Don't set/clear it.
8078         (new_elt_loc_list): Don't record it.
8079         (cselib_init): Don't initialize it.
8080         * cselib.c (struct elt_loc_list): Remove in_libcall field.
8081         * loop-invariant.c (find_invariant_insn): Don't look for libcall
8082         notes.
8083         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
8084         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
8085         (init_deps): Don't initialize it.
8086         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
8087         * combine.c (delete_noop_moves): Don't update libcall notes.
8088         (can_combine_p): Remove now pointless #if 0 block.
8089         (try_combine): Remove another obsolete #if 0 block.
8090         (distribute_notes): Don't distribute libcall notes.
8091         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
8092         * dce.c (libcall_dead_p): Remove.
8093         (delete_unmarked_insns): Don't handle libcall blocks.
8094         (preserve_libcall_for_dce): Remove.
8095         (prescan_insns_for_dce): Don't special-case libcall block insns.
8096         * reload1 (reload): Don't handle libcall notes.
8097         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
8098         documentation.
8099
8100 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8101
8102         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
8103         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8104         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8105
8106 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
8107
8108         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
8109         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
8110         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
8111
8112 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8113
8114         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
8115
8116 2008-06-16  Ira Rosen  <irar@il.ibm.com>
8117
8118         PR tree-optimization/36493
8119         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
8120         the arguments list. Use VECTYPE to create vector pointer.
8121         (vectorizable_store): Fail if accesses through a pointer to vectype
8122         do not alias the original memory reference operands.
8123         Call vect_create_data_ref_ptr without the removed argument.
8124         (vectorizable_load): Likewise.
8125         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
8126         removed argument.
8127
8128 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
8129
8130         PR target/36336
8131         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
8132         reg_equiv_constant.
8133
8134 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
8135
8136         * config/mips/loongson2ef.md: New file.
8137         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
8138         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
8139         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
8140         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
8141         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
8142         and loongson_2f.
8143         (loongson2ef.md): New include.
8144         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
8145         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
8146         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
8147         (loongson_gt_<mode>, loongson_extract_halfword)
8148         (loongson_insert_halfword_0, loongson_insert_halfword_2)
8149         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
8150         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
8151         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
8152         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
8153         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
8154         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
8155         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
8156         (vec_interleave_low<mode>): Define type attribute.
8157         * config/mips/mips.c (mips_ls2): New static variable.
8158         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
8159         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
8160         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
8161         Implement target scheduling hooks.
8162         (mips_multipass_dfa_lookahead): Update to handle tuning for
8163         Loongson 2E/2F.
8164         (mips_sched_init): Initialize data for Loongson scheduling.
8165         (mips_ls2_variable_issue): New static function.
8166         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
8167         Add sanity check.
8168         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
8169         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
8170         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
8171         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
8172         Handle ST Loongson 2E/2F cores.
8173         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
8174
8175 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8176
8177         * omp-low.c (extract_omp_for_data): Fix comment typo.
8178         * c.opt: Fix typo.
8179
8180 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8181
8182         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
8183         FIXME note about gcc/config.guess.
8184         * doc/options.texi (Option file format): Remove non-ASCII bytes.
8185         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
8186         * doc/cppopts.texi: Likewise.
8187         * doc/extend.texi: Likewise.
8188         * doc/gcc.texi: Likewise.
8189         * doc/gccint.texi: Likewise.
8190         * doc/gcov.texi: Likewise.
8191         * doc/gty.texi: Likewise.
8192         * doc/hostconfig.texi: Likewise.
8193         * doc/install.texi: Likewise.
8194         * doc/invoke.texi: Likewise.
8195         * doc/loop.texi: Likewise.
8196         * doc/makefile.texi: Likewise.
8197         * doc/md.texi: Likewise.
8198         * doc/passes.texi: Likewise.
8199         * doc/tm.texi: Likewise.
8200         * doc/tree-ssa.texi: Likewise.
8201         * doc/trouble.texi: Likewise.
8202
8203 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
8204             Nathan Sidwell  <nathan@codesourcery.com>
8205             Maxim Kuvyrkov  <maxim@codesourcery.com>
8206             Richard Sandiford  <rdsandiford@googlemail.com>
8207
8208         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
8209         * config/mips/mips-protos.h (mips_expand_vector_init): New.
8210         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
8211         builtins.
8212         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
8213         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
8214         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
8215         V8QImode cases.
8216         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
8217         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
8218         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
8219         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
8220         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
8221         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
8222         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
8223         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
8224         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
8225         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
8226         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
8227         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
8228         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
8229         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
8230         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
8231         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
8232         (mips_builtins): Add Loongson builtins.
8233         (mips_loongson_2ef_bdesc): New.
8234         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
8235         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
8236         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
8237         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
8238         New.
8239         (mips_expand_vector_init): New.
8240         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
8241         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
8242         if appropriate.
8243         * config/mips/mips.md: Add unspec numbers for Loongson
8244         builtins.  Include loongson.md.
8245         (MOVE64): Include Loongson vector modes.
8246         (SPLITF): Include Loongson vector modes.
8247         (HALFMODE): Handle Loongson vector modes.
8248         * config/mips/loongson.md: New.
8249         * config/mips/loongson.h: New.
8250         * config.gcc: Add loongson.h header for mips*-*-* targets.
8251         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
8252
8253 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
8254
8255         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
8256         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
8257         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
8258         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
8259         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
8260         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
8261         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
8262         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
8263         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
8264         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
8265         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
8266         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
8267         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
8268         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
8269         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
8270         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
8271         Remove use_fixproto=yes.
8272         (ia64*-*-hpux*): Remove comment about using fixproto.
8273         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
8274
8275 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8276
8277         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
8278         library rebuilds.
8279         * configure: Regenerate.
8280
8281 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
8282
8283         PR middle-end/36520
8284         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
8285         before evaluating it.
8286
8287 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
8288
8289         PR c/36507
8290         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
8291         nested inline functions.
8292         (start_decl, start_function): Don't invert DECL_EXTERNAL
8293         for nested inline functions.
8294
8295 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8296
8297         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
8298         splits that must be made for correctness.
8299
8300 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
8301
8302         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
8303         (AVAIL_NON_MIPS16): Likewise.
8304         (mips_builtin_description): Replace target_flags with a predicate.
8305         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
8306         (dspr2_32): New availability predicates.
8307         (MIPS_BUILTIN): New macro.
8308         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
8309         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
8310         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
8311         Replace the TARGET_FLAGS parameters with AVAIL parameters.
8312         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
8313         (mips_dsp_32only_bdesc): Merge into...
8314         (mips_builtins): ...this new array.
8315         (mips_bdesc_map, mips_bdesc_arrays): Delete.
8316         (mips_init_builtins): Update after above changes.
8317         (mips_expand_builtin_1): Merge into...
8318         (mips_expand_builtin): ...here and update after above changes.
8319
8320 2008-06-12  Paul Brook  <paul@codesourcery.com>
8321
8322         * longlong.h (__arm__): Define count_leading_zeros.
8323         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
8324         (clzsi2, clzdi2): New functions.
8325         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
8326         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
8327         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
8328         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
8329         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
8330         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
8331         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
8332         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
8333         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
8334         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
8335
8336 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
8337
8338         * config/m68k/m68k.c (m68k_tune_flags): New.
8339         (override_options): Compute m68k_tune_flags.
8340         (MULL_COST, MULW_COST): Update for various variants of CFV2.
8341         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
8342
8343 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8344
8345         PR middle-end/36506
8346         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
8347
8348 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8349
8350         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
8351         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
8352
8353 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
8354
8355         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
8356         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
8357
8358 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
8359
8360         PR middle-end/36506
8361         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
8362         reductions.
8363
8364 2008-06-12  Richard Guenther  <rguenther@suse.de>
8365
8366         PR tree-optimization/36345
8367         * tree-flow.h (struct ptr_info_def): Align escape_mask,
8368         add memory_tag_needed flag.
8369         (may_alias_p): Declare.
8370         * tree-ssa-alias.c (may_alias_p): Export.
8371         (set_initial_properties): Use memory_tag_needed flag.
8372         (update_reference_counts): Likewise.
8373         (reset_alias_info): Reset memory_tag_needed flag.
8374         (create_name_tags): Check memory_tag_needed flag.
8375         (dump_points_to_info_for): Dump it.
8376         * tree-ssa-structalias.c (struct variable_info): Remove
8377         directly_dereferenced flag.
8378         (new_var_info): Do not initialize it.
8379         (process_constraint_1): Do not set it.
8380         (update_alias_info): Set is_dereferenced flag.
8381         (set_uids_in_ptset): Use may_alias_p.
8382         (set_used_smts): Check memory_tag_needed flag.
8383         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
8384         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
8385         memory_tag_needed flag.
8386         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
8387         from broken design.
8388
8389 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
8390
8391         * config/i386/i386.c (ix86_compute_frame_layout): Disable
8392         red zone for w64 abi.
8393         (ix86_expand_prologue): Likewise.
8394         (ix86_force_to_memory): Likewise.
8395         (ix86_free_from_memory): Likewise.
8396
8397 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
8398
8399         PR target/36425
8400         * config/rs6000/rs6000.c (rs6000_override_options): Set
8401         rs6000_isel conditionally to the absence of comand line override.
8402         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8403         Remove duplicate rs6000_isel setting.
8404         * config/rs6000/eabispe.h: Ditto.
8405
8406 2008-06-11  Richard Guenther  <rguenther@suse.de>
8407
8408         * alias.c (get_alias_set): Use the element alias-set for arrays.
8409         (record_component_aliases): For arrays and vectors do nothing.
8410         * c-common.c (strict_aliasing_warning): Handle the cases
8411         of alias set zero explicitly.
8412         * Makefile.in (dfp.o-warn): Add -Wno-error.
8413
8414 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8415
8416         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
8417         tune_32 tune_64.
8418         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
8419         tune_32 tune_64 to supported_defaults.  Allow values not
8420         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
8421         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
8422         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
8423         with_cpu_64 to generic for 64-bit-supporting configurations, not
8424         with_cpu.  Remove FIXMEs.
8425         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
8426         --with-arch-64, --with-tune-32, --with-tune-64): Document.
8427         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
8428         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
8429         arch_32 and arch_64.
8430
8431 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
8432             Olivier Hainque  <hainque@adacore.com>
8433
8434         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
8435         Use DECL_SIZE_UNIT to retrieve the size of the field.
8436
8437 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
8438
8439         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
8440         with function calls after declarations.  Lay out
8441         neon_float_type_node before further use.
8442
8443 2008-06-11  Richard Guenther  <rguenther@suse.de>
8444
8445         * tree-flow.h (may_point_to_global_var): Declare.
8446         * tree-ssa-alias.c (may_point_to_global_var): New function.
8447         * tree-ssa-sink.c (is_hidden_global_store): Use it.
8448
8449 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
8450
8451         * configure.ac: Teach that fido supports .debug_line.
8452         * configure: Regenerate.
8453
8454 2008-06-10  Tom Tromey  <tromey@redhat.com>
8455
8456         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
8457         debug hook.
8458
8459 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8460
8461         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
8462         (encode_decimal64, decode_decimal64, encode_decimal128,
8463         decode_decimal128): Reverse order of 32-bit parts of value if host
8464         and target endianness differ.
8465
8466 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
8467
8468         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
8469         Avoid division by 0.
8470         (tree_mod_pow2_value_transform): Likewise.
8471         (tree_ic_transform): Likewise.
8472         (tree_stringops_transform): Likewise.
8473         (tree_mod_subtract_transform): Likewise.
8474         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
8475         (copy_edges_for_bb): Likewise.
8476         (initialize_cfun): Likewise.
8477
8478 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8479
8480         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
8481         nonmemory_operand. Add "N" operand constraint.
8482         (*btsi): Ditto.
8483         (*jcc_btdi_mask_rex64): New instruction and split pattern.
8484         (*jcc_btsi_mask): Ditto.
8485         (*jcc_btsi_mask_1): Ditto.
8486
8487 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
8488
8489         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
8490         TYPE_CANONICAL for copied element type.
8491
8492 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
8493
8494         PR target/36473
8495         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
8496         Add m_CORE2 and m_GENERIC.
8497         * config/i386/predicates.md (bt_comparison_operator): New predicate.
8498         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
8499         (*btsi): Ditto.
8500         (*jcc_btdi_rex64): New instruction and split pattern.
8501         (*jcc_btsi): Ditto.
8502         (*jcc_btsi_1): Ditto.
8503         (*btsq): Fix Intel asm dialect operand order.
8504         (*btrq): Ditto.
8505         (*btcq): Ditto.
8506
8507 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
8508
8509         PR middle-end/36447
8510         * simplify-rtx.c (simplify_subreg): Add check for shift count
8511         greater than size.
8512
8513 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
8514
8515         * doc/md.texi: Synchronize with later constraints.md change.
8516         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
8517         with a C implementation.
8518         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
8519         MFLO handling.
8520         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
8521         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
8522         when moving to and from MD_REGNUM.
8523         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
8524         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
8525         Handle byte and halfword moves.
8526         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
8527         separately.
8528         * config/mips/constraints.md (h): Turn into NO_REGS.
8529         (l, x): Update documentation.
8530         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
8531         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
8532         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
8533         (HILO): New mode iterator.
8534         (MOVE128): Add TI.
8535         (any_div): New code iterator.
8536         (u): Extend code attribute to div and udiv.
8537         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
8538         d_operand in the splitters.  Remove redundant CONST_INT checks.
8539         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
8540         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
8541         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
8542         accordingly, using normal moves instead of unspecs to move LO into
8543         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
8544         (<u>mulsidi3): Handle expansion in C code.
8545         (<u>mulsidi3_32bit_internal): Rename to...
8546         (<u>mulsidi3_32bit): ...this.
8547         (<u>mulsidi3_32bit_r4000): Fix insn separator.
8548         (*<u>mulsidi3_64bit): Rename to...
8549         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
8550         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
8551         to set LO and HI to the multiplication result.  Use a normal move
8552         for MFLO and an unspec for MFHI.
8553         (*<u>mulsidi3_64bit_parts): Replace with...
8554         (<u>mulsidi3_64bit_hilo): ...this new instruction.
8555         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
8556         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
8557         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
8558         instead of HI.  Split the instruction into a separate multiplication
8559         and MFHI if !TARGET_FIX_R4000.
8560         (<su>muldi3_highpart): Likewise.
8561         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
8562         and the "=h" clobber.
8563         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
8564         (<u>mulditi3): New expander.
8565         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
8566         (madsi): Remove "=h" clobber.
8567         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
8568         Force the modulus result to be a GPR and split the instruction into
8569         a division followed by an MFHI after reload.
8570         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
8571         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
8572         the MIPS16 HIGH define_split.
8573         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
8574         of acc<->gpr moves to "multi".
8575         (*movdi_64bit): Replace the single "x" alternative with
8576         alternatives for moving into and out of "a".
8577         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
8578         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
8579         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
8580         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
8581         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
8582         (movti): New expander.
8583         (*movti, *movti_mips16): New insns.
8584         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
8585         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
8586         (mthi<GPR:mode>_<HILO:mode>): Likewise.
8587         * config/mips/predicates.md (fpr_operand): Delete.
8588         (d_operand): New predicate.
8589
8590 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
8591
8592         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
8593         failure on some Bourne shells.
8594         (x86_64-*-*): Ditto.
8595
8596 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
8597
8598         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
8599
8600 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
8601
8602         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
8603         (sparc-sun-solaris2*): Likewise.
8604
8605 2008-06-09  Arnaud Charlet  <charlet@adacore.com
8606
8607         * doc/install.texi: Update requirements to build the Ada compiler.
8608
8609 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8610
8611         * df-scan.c (struct df_scan_problem_data): Remove the
8612         mw_link_pool alloc pool.
8613         (df_scan_free_internal): Don't free it.
8614         (df_scan_alloc): Don't allocate it.
8615         * df.h (struct df_link): Update comment.
8616
8617 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
8618
8619         * except.h: Correct checks for when SJLJ exceptions must be used.
8620
8621 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8622
8623         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
8624         default.
8625
8626 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
8627
8628         PR tree-optimization/36218
8629         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
8630         configure for the build system.
8631         (BUILD_LDFLAGS): Define.
8632         * configure: Regenerate.
8633         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
8634
8635 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
8636
8637         PR target/36424
8638         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
8639         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
8640         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
8641
8642 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
8643
8644         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
8645
8646 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
8647
8648         * config.gcc (Obsolete configurations): Remove list of
8649         configurations.
8650         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
8651         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
8652         targets matched by those patterns.
8653         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
8654         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
8655         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
8656         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
8657         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8658         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
8659         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
8660         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
8661         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
8662         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
8663         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
8664         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
8665         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
8666         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
8667         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
8668         Make code for Solaris 7 and greater unconditional for Solaris.
8669         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
8670         Remove --with-* handling.
8671         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
8672         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
8673         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
8674         LINK_OS_WINDISS_SPEC): Remove.
8675         * config/rs6000/sysv4.opt (mwindiss): Remove.
8676         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
8677         * configure: Regenerate.
8678         * doc/cpp.texi: Don't mention BeOS.
8679         * doc/extend.texi (interrupt): Don't mention MS1.
8680         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
8681         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
8682         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
8683         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
8684         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
8685         Remove.
8686         * doc/invoke.texi (MT Options): Remove.
8687         (-mwindiss): Remove.
8688         (CRIS Options): Remove cris-axis-aout references.
8689         (HPPA Options): Don't mention hppa1.1-*-pro.
8690         * doc/md.texi: (MorphoTech family): Remove.
8691         * libgcc2.c: Don't handle UWIN.
8692         * config/alpha/t-unicosmk: Remove.
8693         * config/alpha/unicosmk.h: Remove.
8694         * config/arm/kaos-arm.h: Remove.
8695         * config/arm/kaos-strongarm.h: Remove.
8696         * config/arm/strongarm-coff.h: Remove.
8697         * config/arm/strongarm-elf.h: Remove.
8698         * config/arm/strongarm-pe.h: Remove.
8699         * config/arm/t-strongarm-pe: Remove.
8700         * config/arm/t-xscale-coff: Remove.
8701         * config/arm/t-xscale-elf: Remove.
8702         * config/arm/xscale-coff.h: Remove.
8703         * config/arm/xscale-elf.h: Remove.
8704         * config/chorus.h: Remove.
8705         * config/cris/aout.h: Remove.
8706         * config/cris/aout.opt: Remove.
8707         * config/cris/t-aout: Remove.
8708         * config/i386/beos-elf.h: Remove.
8709         * config/i386/kaos-i386.h: Remove.
8710         * config/i386/ptx4-i.h: Remove.
8711         * config/i386/sco5.h: Remove.
8712         * config/i386/sco5.opt: Remove.
8713         * config/i386/sysv4-cpp.h: Remove.
8714         * config/i386/sysv5.h: Remove.
8715         * config/i386/t-beos: Remove.
8716         * config/i386/t-sco5: Remove.
8717         * config/i386/t-uwin: Remove.
8718         * config/i386/uwin.asm: Remove.
8719         * config/i386/uwin.h: Remove.
8720         * config/kaos.h: Remove.
8721         * config/mips/windiss.h: Remove.
8722         * config/mt: Remove directory.
8723         * config/pa/pa-osf.h: Remove.
8724         * config/pa/pa-pro-end.h: Remove.
8725         * config/pa/t-pro: Remove.
8726         * config/ptx4.h: Remove.
8727         * config/rs6000/beos.h: Remove.
8728         * config/rs6000/kaos-ppc.h: Remove.
8729         * config/rs6000/t-beos: Remove.
8730         * config/rs6000/windiss.h: Remove.
8731         * config/sh/kaos-sh.h: Remove.
8732         * config/sol2-6.h: Remove.
8733         * config/sparc/sol26-sld.h: Remove.
8734         * config/sparc/sysv4-only.h: Remove.
8735         * config/vax/bsd.h: Remove.
8736         * config/vax/t-memfuncs: Remove.
8737         * config/vax/ultrix.h: Remove.
8738         * config/vax/vaxv.h: Remove.
8739         * config/windiss.h: Remove.
8740
8741 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
8742
8743         PR rtl-optimization/36438
8744         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
8745         for vector shifts with constant scalar shift operands.
8746
8747 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
8748
8749         * doc/invoke.texi: Document -march=xlr.
8750         * config/mips/xlr.md: New file.
8751         * config/mips/mips.md: Include it.
8752         (cpu): Add "xlr".
8753         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
8754         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
8755         (mips_rtx_cost_data): Likewise.
8756
8757 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
8758
8759         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
8760         PRE_INC and PRE_DEC cases.
8761
8762 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8763
8764         PR rtl-optimization/36419
8765         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
8766         the emitting jump insn.
8767
8768         PR target/36362
8769         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
8770         is not bool, boolify the whole *expr_p and convert to the desired type.
8771
8772 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
8773
8774         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
8775         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
8776         Add omp_private_outer_ref hook, add another argument to
8777         omp_clause_default_ctor hook.
8778         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
8779         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
8780         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
8781         hook_tree_tree_tree_tree_null.
8782         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
8783         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
8784         * hooks.c (hook_tree_tree_tree_tree_null): New function.
8785         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
8786         * tree.def (OMP_TASK): New tree code.
8787         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
8788         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
8789         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
8790         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
8791         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
8792         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
8793         OMP_CLAUSE_COLLAPSE_EXPR): Define.
8794         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8795         (OMP_DIRECTIVE_P): Add OMP_TASK.
8796         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
8797         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
8798         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
8799         and OMP_CLAUSE_UNTIED entries.
8800         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
8801         num_ops to 2.
8802         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8803         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
8804         * tree-pretty-print.c (dump_omp_clause): Handle
8805         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
8806         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
8807         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
8808         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
8809         warning about unsigned iterators.  Change decl/init/cond/incr
8810         arguments to TREE_VECs, check arguments for all collapsed loops.
8811         (c_finish_omp_taskwait): New function.
8812         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
8813         ws_clauses.
8814         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
8815         default_function_array_conversion on init.  Add par_clauses argument.
8816         If decl is present in parallel's lastprivate clause, change it to
8817         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
8818         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
8819         collapse count in clauses.
8820         (c_parser_omp_for, c_parser_omp_parallel): Adjust
8821         c_parser_omp_for_loop callers.
8822         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
8823         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
8824         (c_parser_omp_clause_name): Handle collapse and untied clauses.
8825         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
8826         functions.
8827         (c_parser_omp_clause_schedule): Handle schedule(auto).
8828         Include correct location in the error message.
8829         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
8830         and PRAGMA_OMP_CLAUSE_UNTIED.
8831         (OMP_TASK_CLAUSE_MASK): Define.
8832         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
8833         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
8834         * tree-nested.c (convert_nonlocal_omp_clauses,
8835         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
8836         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
8837         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8838         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
8839         OMP_CLAUSE_DECL.
8840         (conver_nonlocal_reference, convert_local_reference,
8841         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
8842         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
8843         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
8844         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
8845         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
8846         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
8847         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
8848         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
8849         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8850         OMP_CLAUSE_UNTIED.
8851         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
8852         * c-common.h (c_finish_omp_taskwait): New prototype.
8853         * gimple-low.c (lower_stmt): Handle OMP_TASK.
8854         * tree-parloops.c (create_parallel_loop): Create 1 entry
8855         vectors for OMP_FOR_{INIT,COND,INCR}.
8856         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
8857         (make_edges): Handle OMP_TASK.
8858         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
8859         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8860         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
8861         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
8862         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
8863         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8864         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
8865         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
8866         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
8867         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
8868         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
8869         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
8870         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
8871         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
8872         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
8873         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
8874         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
8875         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
8876         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
8877         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
8878         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
8879         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
8880         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
8881         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
8882         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
8883         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
8884         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
8885         original iterator is present in lastprivate clause or if
8886         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
8887         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
8888         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
8889         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
8890         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
8891         if it is set, lookup var in outer contexts too.  Handle
8892         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
8893         to be implicitly determined firstprivate for task regions.
8894         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
8895         if it is set, lookup var in outer contexts too.  Set
8896         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
8897         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
8898         OMP_CLAUSE_UNTIED.  Take region_type as last argument
8899         instead of in_parallel and in_combined_parallel.
8900         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8901         Adjust callers.
8902         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
8903         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
8904         (new_omp_context): Set default_kind to
8905         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
8906         (omp_region_type): New enum.
8907         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
8908         fields, add region_type.
8909         (new_omp_context): Take region_type as argument instead of is_parallel
8910         and is_combined_parallel.
8911         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
8912         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
8913         ctx->is_combined_parallel checks.
8914         (gimplify_omp_task): New function.
8915         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
8916         OMP_CLAUSE_UNTIED.
8917         * omp-low.c (extract_omp_for_data): Use schedule(static)
8918         for schedule(auto).  Handle pointer and unsigned iterators.
8919         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
8920         Add loops argument.  Extract data for collapsed OMP_FOR loops.
8921         (expand_parallel_call): Assert sched_kind isn't auto,
8922         map runtime schedule to index 3.
8923         (struct omp_for_data_loop): New type.
8924         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
8925         Add loop, loops, collapse and iter_type fields.
8926         (workshare_safe_to_combine_p): Disallow combined for if
8927         iter_type is unsigned long long.  Don't combine collapse > 1 loops
8928         unless all bounds and steps are constant.  Adjust extract_omp_for_data
8929         caller.
8930         (expand_omp_for_generic): Handle pointer, unsigned and long long
8931         iterators.  Handle collapsed OMP_FOR loops.  Adjust
8932         for struct omp_for_data changes.  If libgomp function doesn't return
8933         boolean_type_node, add comparison of the return value with 0.
8934         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
8935         pointer, unsigned and long long iterators.  Adjust for struct
8936         omp_for_data changes.
8937         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
8938         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
8939         unsigned long long.  Allocate loops array, pass it to
8940         extract_omp_for_data.  For collapse > 1 loops use always
8941         expand_omp_for_generic.
8942         (omp_context): Add sfield_map and srecord_type fields.
8943         (is_task_ctx, lookup_sfield): New functions.
8944         (use_pointer_for_field): Use is_task_ctx helper.  Change first
8945         argument's type from const_tree to tree.  Clarify comment.
8946         In OMP_TASK disallow copy-in/out sharing.
8947         (build_sender_ref): Call lookup_sfield instead of lookup_field.
8948         (install_var_field): Add mask argument.  Populate both record_type
8949         and srecord_type if needed.
8950         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
8951         in srecord_type.
8952         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
8953         and DECL_FIELD_OFFSET.
8954         (scan_sharing_clauses): Adjust install_var_field callers.  For
8955         firstprivate clauses on explicit tasks allocate the var by value in
8956         record_type unconditionally, rather than by reference.
8957         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
8958         Use is_taskreg_ctx instead of is_parallel_ctx.
8959         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
8960         (create_omp_child_function_name): Add task_copy argument, use
8961         *_omp_cpyfn* names if it is true.
8962         (create_omp_child_function): Add task_copy argument, if true create
8963         *_omp_cpyfn* helper function.
8964         (scan_omp_parallel): Adjust create_omp_child_function callers.
8965         Rename parallel_nesting_level to taskreg_nesting_level.
8966         (scan_omp_task): New function.
8967         (lower_rec_input_clauses): Don't run constructors for firstprivate
8968         explicit task vars which are initialized by *_omp_cpyfn*.
8969         Pass outer var ref to omp_clause_default_ctor hook if
8970         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
8971         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
8972         OMP_CLAUSE_REDUCTION_INIT.
8973         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
8974         avoid duplicate setting of fields.  Handle
8975         OMP_CLAUSE_PRIVATE_OUTER_REF.
8976         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
8977         copy-out if TREE_READONLY, only copy-in.
8978         (expand_task_copyfn): New function.
8979         (expand_task_call): New function.
8980         (struct omp_taskcopy_context): New type.
8981         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
8982         New functions.
8983         (lower_omp_parallel): Rename to...
8984         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
8985         Call create_task_copyfn if srecord_type is needed.  Adjust
8986         sender_decl type.
8987         (task_shared_vars): New variable.
8988         (check_omp_nesting_restrictions): Warn if work-sharing,
8989         barrier, master or ordered region is closely nested inside OMP_TASK.
8990         Add warnings for barrier if closely nested inside of work-sharing,
8991         ordered, or master region.
8992         (scan_omp_1): Call check_omp_nesting_restrictions even for
8993         GOMP_barrier calls.  Rename parallel_nesting_level to
8994         taskreg_nesting_level.  Handle OMP_TASK.
8995         (lower_lastprivate_clauses): Even if some lastprivate is found on a
8996         work-sharing construct, continue looking for them on parent parallel
8997         construct.
8998         (lower_omp_for_lastprivate): Add lastprivate clauses
8999         to the beginning of dlist rather than end.  Adjust for struct
9000         omp_for_data changes.
9001         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
9002         not after it.  Handle collapsed OMP_FOR loops, adjust for
9003         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
9004         (get_ws_args_for): Adjust extract_omp_for_data caller.
9005         (scan_omp_for): Handle collapsed OMP_FOR
9006         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
9007         (lower_omp_single_simple): If libgomp function doesn't return
9008         boolean_type_node, add comparison of the return value with 0.
9009         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
9010         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
9011         (parallel_nesting_level): Rename to...
9012         (taskreg_nesting_level): ... this.
9013         (is_taskreg_ctx): New function.
9014         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
9015         of is_parallel_ctx.
9016         (execute_lower_omp): Rename parallel_nesting_level to
9017         taskreg_nesting_level.
9018         (expand_omp_parallel): Rename to...
9019         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
9020         Call omp_task_call for OMP_TASK regions.
9021         (expand_omp): Adjust caller, handle OMP_TASK.
9022         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
9023
9024         * bitmap.c (bitmap_default_obstack_depth): New variable.
9025         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
9026         if argument is NULL and bitmap_default_obstack is already initialized.
9027         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
9028         at the end.
9029         * matrix-reorg.c (matrix_reorg): Likewise.
9030
9031 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
9032
9033         * config/i386/i386.md (*indirect_jump): Macroize using P
9034         mode iterator.  Remove !TARGET_64BIT from insn constraints.
9035         (*tablejump_1): Ditto.
9036         (*indirect_jump_rex64): Remove insn pattern.
9037         (*tablejump_1_rex64): Ditto.
9038         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
9039         and eh_return_si insn patterns.
9040
9041 2008-06-06  Richard Guenther  <rguenther@suse.de>
9042
9043         * tree-ssa-structalias.c (merge_smts_into): Remove.
9044         (find_what_p_points_to): Do not bother to compute the
9045         points-to set for pt_anything pointers.
9046         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
9047         for pt_anything pointers is ok.
9048
9049 2008-06-06  Jan Hubicka  <jh@suse.cz>
9050
9051         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
9052
9053 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9054
9055         * cgraph.c: Fix typos in comments.
9056         (cgraph_availability_names): Fix string typo.
9057         * fold-const.c: Fix typos in comments.
9058         (fold_binary): Fix typo in warning.
9059         * genautomata.c: Fix typos in comments.
9060         (check_presence_pattern_sets): Fix typo in local variable.
9061         (output_description): Fix typo in output.
9062         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
9063         * hwint.h: Likewise.
9064         * matrix-reorg.c (check_allocation_function): Likewise.
9065         * omega.c (smooth_weird_equations): Likewise.
9066         * auto-inc-dec.c: Fix typos in comments.
9067         * bb-reorder.c: Likewise.
9068         * builtins.c: Likewise.
9069         * c-common.c: Likewise.
9070         * c-cppbuiltin.c: Likewise.
9071         * c-parser.c: Likewise.
9072         * c-pretty-print.c: Likewise.
9073         * cfgcleanup.c: Likewise.
9074         * cfgexpand.c: Likewise.
9075         * cfghooks.c: Likewise.
9076         * cfglayout.c: Likewise.
9077         * cfgloopmanip.c: Likewise.
9078         * cgraphunit.c: Likewise.
9079         * coverage.c: Likewise.
9080         * dbxout.c: Likewise.
9081         * df-byte-scan.c: Likewise.
9082         * df-core.c: Likewise.
9083         * df-problems.c: Likewise.
9084         * df-scan.c: Likewise.
9085         * dfp.c: Likewise.
9086         * dominance.c: Likewise.
9087         * domwalk.c: Likewise.
9088         * dse.c: Likewise.
9089         * dwarf2out.c: Likewise.
9090         * emit-rtl.c: Likewise.
9091         * et-forest.c: Likewise.
9092         * function.c: Likewise.
9093         * function.h: Likewise.
9094         * gcc.c: Likewise.
9095         * gcov-io.c: Likewise.
9096         * gcov.c: Likewise.
9097         * gcse.c: Likewise.
9098         * genattrtab.c: Likewise.
9099         * ggc-page.c: Likewise.
9100         * gimplify.c: Likewise.
9101         * gthr-lynx.h: Likewise.
9102         * haifa-sched.c: Likewise.
9103         * ipa-cp.c: Likewise.
9104         * ipa-inline.c: Likewise.
9105         * ipa-prop.h: Likewise.
9106         * ipa-pure-const.c: Likewise.
9107         * ipa-struct-reorg.c: Likewise.
9108         * ipa-struct-reorg.h: Likewise.
9109         * ipa-type-escape.c: Likewise.
9110         * ipa.c: Likewise.
9111         * loop-doloop.c: Likewise.
9112         * mips-tfile.c: Likewise.
9113         * mkmap-flat.awk: Likewise.
9114         * mkmap-symver.awk: Likewise.
9115         * modulo-sched.c: Likewise.
9116         * omp-low.c: Likewise.
9117         * optabs.c: Likewise.
9118         * optabs.h: Likewise.
9119         * opts.c: Likewise.
9120         * passes.c: Likewise.
9121         * postreload-gcse.c: Likewise.
9122         * postreload.c: Likewise.
9123         * predict.c: Likewise.
9124         * pretty-print.h: Likewise.
9125         * profile.c: Likewise.
9126         * protoize.c: Likewise.
9127         * ra-conflict.c: Likewise.
9128         * real.c: Likewise.
9129         * recog.c: Likewise.
9130         * regclass.c: Likewise.
9131         * regs.h: Likewise.
9132         * reload.c: Likewise.
9133         * rtl-error.c: Likewise.
9134         * rtlanal.c: Likewise.
9135         * scan.h: Likewise.
9136         * sched-rgn.c: Likewise.
9137         * see.c: Likewise.
9138         * stmt.c: Likewise.
9139         * target.h: Likewise.
9140         * tree-dfa.c: Likewise.
9141         * tree-eh.c: Likewise.
9142         * tree-flow-inline.h: Likewise.
9143         * tree-inline.c: Likewise.
9144         * tree-into-ssa.c: Likewise.
9145         * tree-loop-distribution.c: Likewise.
9146         * tree-nested.c: Likewise.
9147         * tree-parloops.c: Likewise.
9148         * tree-pass.h: Likewise.
9149         * tree-pretty-print.c: Likewise.
9150         * tree-profile.c: Likewise.
9151         * tree-scalar-evolution.c: Likewise.
9152         * tree-sra.c: Likewise.
9153         * tree-ssa-alias-warnings.c: Likewise.
9154         * tree-ssa-ccp.c: Likewise.
9155         * tree-ssa-coalesce.c: Likewise.
9156         * tree-ssa-dom.c: Likewise.
9157         * tree-ssa-dse.c: Likewise.
9158         * tree-ssa-forwprop.c: Likewise.
9159         * tree-ssa-live.c: Likewise.
9160         * tree-ssa-live.h: Likewise.
9161         * tree-ssa-loop-im.c: Likewise.
9162         * tree-ssa-loop-ivopts.c: Likewise.
9163         * tree-ssa-loop-niter.c: Likewise.
9164         * tree-ssa-loop-prefetch.c: Likewise.
9165         * tree-ssa-phiopt.c: Likewise.
9166         * tree-ssa-phiprop.c: Likewise.
9167         * tree-ssa-sccvn.c: Likewise.
9168         * tree-ssa-ter.c: Likewise.
9169         * tree-ssa-threadupdate.c: Likewise.
9170         * tree-ssa.c: Likewise.
9171         * tree-vect-analyze.c: Likewise.
9172         * tree-vect-transform.c: Likewise.
9173         * tree-vectorizer.c: Likewise.
9174         * tree-vn.c: Likewise.
9175         * tree-vrp.c: Likewise.
9176         * tree.c: Likewise.
9177         * tree.def: Likewise.
9178         * tree.h: Likewise.
9179         * unwind-dw2-fde.c: Likewise.
9180         * unwind.inc: Likewise.
9181         * value-prof.c: Likewise.
9182         * vmsdbgout.c: Likewise.
9183
9184 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
9185
9186         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
9187         always place FP constants in the TOC for TARGET_POWERPC64.
9188         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
9189
9190 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
9191
9192         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
9193         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
9194         enable for TARGET_E500_DOUBLE.
9195         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
9196         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
9197         floating-point modes like integer modes for E500 double.
9198         (rs6000_legitimate_offset_address_p): Likewise.
9199         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
9200         addressing for DDmode for E500 double.
9201         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
9202         modes as using 64-bits of registers for E500 double.
9203         (spe_build_register_parallel): Do not handle DDmode or TDmode.
9204         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
9205         specially for E500 double.
9206         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
9207         TDmode for E500 double.
9208         (rs6000_gimplify_va_arg): Only handle SDmode in registers
9209         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
9210         (rs6000_split_multireg_move): Do not handle TDmode specially for
9211         E500 double.
9212         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
9213         using 64-bit registers for E500 double.
9214         (emit_frame_save): Do not handle DDmode specially for E500 double.
9215         (gen_frame_mem_offset): Likewise.
9216         (rs6000_function_value): Do not call spe_build_register_parallel
9217         for DDmode or TDmode.
9218         (rs6000_libcall_value): Likewise.
9219         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
9220         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
9221         for E500 double.
9222
9223 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
9224
9225         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
9226         in comments.
9227
9228 2008-06-04  Junjie Gu <jgu@tensilica.com>
9229
9230         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
9231         comparison for frame pointers.
9232
9233 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9234
9235         PR target/27386
9236         * config/avr/avr.h (PUSH_ROUNDING): Remove.
9237
9238 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
9239
9240         PR target/30243
9241         * builtins.c (expand_builtin_signbit): Don't take lowpart when
9242         register is already smaller or equal to required mode.
9243
9244 2008-06-04  Xinliang David Li  <davidxl@google.com>
9245
9246         * tree-call-cdce.c: New file.
9247         (cond_dead_built_in_calls): New static variable.
9248         (input_domain): New struct.
9249         (check_pow): New function.
9250         (check_builtin_call): Ditto.
9251         (check_target_format): Ditto.
9252         (is_call_dce_candidate): Ditto.
9253         (gen_one_condition): Ditto.
9254         (gen_conditions_for_domain): Ditto.
9255         (get_domain): Ditto.
9256         (gen_conditions_for_pow_cst_base): Ditto.
9257         (gen_conditions_for_pow_int_base): Ditto.
9258         (gen_conditions_for_pow): Ditto.
9259         (get_no_error_domain): Ditto.
9260         (gen_shrink_wrap_conditions): Ditto.
9261         (shrink_wrap_one_built_in_call): Ditto.
9262         (shink_wrap_conditional_dead_built_in_calls): Ditto.
9263         (tree_call_cdce): Ditto.
9264         (gate_call_cdce): Ditto.
9265         (pass_call_cdce): New gimple pass.
9266         * passes.c: (init_optimization_passes): New pass.
9267         * tree-pass.h: New pass declaration.
9268         * opts.c (decode_options): New flag setting.
9269         * common.opt: Add -ftree-builtin-call-dce flag.
9270         * Makefile.in: Add new source file.
9271         * tempvar.def: New tv_id.
9272         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
9273
9274 2008-06-04  Richard Guenther  <rguenther@suse.de>
9275
9276         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
9277         (is_call_clobbered): Always check var_ann->call_clobbered.
9278         (mark_call_clobbered): Always set var_ann->call_clobbered.
9279         (clear_call_clobbered): Always clear var_ann->call_clobbered.
9280         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
9281         (reset_alias_info): Clear call clobbering info on MTAGs and
9282         globals as well.
9283         (set_pt_anything): Set pt_global_mem.
9284         (create_tag_raw): Adjust comment.
9285         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
9286
9287 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
9288             Maxim Kuvyrkov  <maxim@codesourcery.com>
9289
9290         * config/m68k/m68k.opt (mxgot): New option.
9291         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
9292         (m68k_output_addr_const_extra): New.
9293         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
9294         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
9295         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
9296         * doc/invoke.texi (M680x0 Options): Document -mxgot.
9297
9298 2008-06-04  Richard Guenther  <rguenther@suse.de>
9299
9300         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
9301         negative or non-representable offsets.
9302
9303 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
9304
9305         * config/i386/i386.c (ix86_gen_leave): New.
9306         (ix86_gen_pop1): Likewise.
9307         (ix86_gen_add3): Likewise.
9308         (ix86_gen_sub3): Likewise.
9309         (ix86_gen_sub3_carry): Likewise.
9310         (ix86_gen_one_cmpl2): Likewise.
9311         (ix86_gen_monitor): Likewise.
9312         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
9313         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
9314         ix86_gen_one_cmpl2 and ix86_gen_monitor.
9315         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
9316         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
9317         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
9318         (ix86_expand_epilogue): Updated.
9319         (print_operand): Handle integer register operand for 'z'.
9320         (ix86_expand_strlensi_unroll_1): Likewise.
9321         (ix86_expand_strlen): Likewise.
9322         (ix86_expand_builtin): Likewise.
9323         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
9324         mov{q}/mov{l} and add{q}/add{l}.
9325
9326 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9327
9328         * config/i386/i386.md (P): New mode iterator.
9329         (SFmode push_operand splitter): Macroize DImode and SImode pushes
9330         using P mode iterator.
9331         (DFmode push_operand splitter): Ditto.
9332         (XFmode push_operand splitter): Ditto.
9333         (DFmode float_extend SFmode push_operand splitter): Ditto.
9334         (XFmode float_extend SFmode push_operand splitter): Do not generate
9335         SImode pushes for 64bit target.  Macroize Dimode and SImode
9336         pushes using P mode iterator.
9337         (XFmode float_extend DFmode push_operand splitter): Ditto.
9338
9339 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9340
9341         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
9342         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
9343         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
9344         return type to int.
9345         (ix86_call_abi_override): Remove check for call_used_regs.
9346
9347 2008-06-03  Richard Guenther  <rguenther@suse.de>
9348
9349         * tree-ssa-structalias.c (find_func_aliases): Add constraints
9350         for the lhs of calls if the return type contains pointers.
9351
9352 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
9353
9354         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
9355         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
9356         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
9357         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
9358         of cfun and DEFAULT_ABI to deceide abi mode.
9359         (DEFAULT_ABI): New.
9360         (REG_PARM_STACK_SPACE): Removed.
9361         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
9362         (STACK_BOUNDARY): Use default target to deceide stack boundary.
9363         * config/i386/i386-protos.h (ix86_cfun_abi): New.
9364         (ix86_function_abi): Likewise.
9365         (ix86_function_type_abi): Likewise.
9366         (ix86_call_abi_override): Likewise.
9367         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
9368         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
9369         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
9370         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
9371         specific defines.
9372         (X86_64_REGPARM_MAX): New.
9373         (X86_64_SSE_REGPARM_MAX): New.
9374         (X64_REGPARM_MAX): New.
9375         (X64_SSE_REGPARM_MAX): New.
9376         (X86_32_REGPARM_MAX): New.
9377         (X86_32_SSE_REGPARM_MAX): New.
9378         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
9379         (ix86_function_regparm): Handle user calling abi.
9380         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
9381         by DEFAULT_ABI versus SYSV_ABI check.
9382         (ix86_reg_parm_stack_space): New.
9383         (ix86_function_type_abi): New.
9384         (ix86_call_abi_override): New.
9385         (ix86_function_abi): New.
9386         (ix86_cfun_abi): New.
9387         (init_cumulative_args): Call abi specific initialization.
9388         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
9389         (function_arg_64): Extend SSE_REGPARM_MAX check.
9390         (function_arg (): Remove TARGET_64BIT_MS_ABI.
9391         (ix86_pass_by_reference): Likewise.
9392         (ix86_function_value_regno_p): Likewise.
9393         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
9394         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
9395         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
9396         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
9397         (setup_incoming_varargs_64): Adjust regparm for call abi.
9398         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
9399         (ix86_va_start): Likewise.
9400         (ix86_gimplify_va_arg): Likewise.
9401         (ix86_expand_prologue): Likewise.
9402         (output_pic_addr_const): Likewise.
9403         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
9404         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
9405         (x86_output_mi_thunk): Likewise.
9406         (x86_function_profiler): Likewise.
9407         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
9408         (SYSV_ABI, MS_ABI): New constants.
9409         (DEFAULT_ABI): New.
9410         (init_regs): Add prototype of function in regclass.c file.
9411         (OVERRIDE_ABI_FORMAT): New.
9412         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
9413         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
9414         (OUTGOING_REG_PARM_STACK_SPACE): New.
9415         (ix86_reg_parm_stack_space): New prototype.
9416         (CUMULATIVE_ARGS): Add call_abi member.
9417         (machine_function): Add call_abi member.
9418         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
9419         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
9420
9421 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
9422
9423         PR target/34879
9424         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
9425         (avr_builtin_setjmp_frame_value): New function.
9426         * config/avr/avr.md (nonlocal_goto_receiver): Define.
9427         (nonlocal_goto): Define.
9428
9429 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
9430
9431         * config/mips/mips.c (mips_emit_loadgp): Return early if
9432         there is nothing do to, otherwise emit a blockage if
9433         !TARGET_EXPLICIT_RELOCS || crtl->profile.
9434         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
9435
9436 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9437
9438         * configure.ac: Drop unneeded backslash ending up in config.in.
9439         * acinclude.m4: Likewise.
9440         * config.in: Regenerate.
9441
9442 2008-05-26  Jan Hubicka  <jh@suse.cz>
9443
9444         * predict.c (maybe_hot_frequency_p): Break out of...
9445         (maybe_hot_bb_p): ... here.
9446         (maybe_hot_edge_p): New.
9447         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
9448         * basic-block.h (maybe_hot_edge_p): Declare.
9449
9450 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9451
9452         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
9453         (*cmpfp_<mode>_cc): Ditto.
9454         (*fp_jcc_8<mode>_387): Ditto.
9455         (*fop_<MODEF:mode>_2_i387): Ditto.
9456         (*fop_<MODEF:mode>_3_i387): Ditto.
9457         (*fop_xf_2_i387): Ditto.
9458         (*fop_xf_3_i387): Ditto.
9459
9460 2008-06-02  Tomas Bily  <tbily@suse.cz>
9461
9462         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
9463
9464 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9465
9466         * config/mips/mips.c (mips_valid_offset_p): New function.
9467         (mips_valid_lo_sum_p): Likewise.
9468         (mips_classify_address): Use them.
9469         (mips_force_address): New function.
9470         (mips_legitimize_address): Use it.
9471         * config/mips/mips.md (MOVE128): New mode iterator.
9472         (movtf): Require TARGET_64BIT.  Remove empty strings.
9473         (*movtf_internal): Rename to...
9474         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
9475         of "R" and use {,fp}{load,store} attributes instead of "multi".
9476         Use a separate define_split.
9477         (*movtf_mips16): New pattern.
9478
9479 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9480
9481         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
9482         * config/mips/mips.c (mips_expand_before_return): New function.
9483         (mips_expand_epilogue): Call it.
9484         * config/mips/mips.md (return): Turn into a define_expand.
9485         (*return): New insn.
9486
9487 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
9488
9489         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
9490         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
9491         functions.  Do not emit uses and clobbers of CONCATs; individually
9492         use and clobber their operands.
9493         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
9494         gen_clobber, emit_use and gen_use.
9495         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
9496         (expand_builtin_return): Likewise.
9497         * cfgbuild.c (count_basic_blocks): Likewise.
9498         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
9499         * explow.c (emit_stack_restore): Likewise.
9500         * expmed.c (extract_bit_field_1): Likewise.
9501         * expr.c (convert_move, emit_move_complex_parts): Likewise.
9502         (emit_move_multi_word, store_constructor): Likewise.
9503         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
9504         (thread_prologue_and_epilogue_insns): Likewise.
9505         * lower-subreg.c (resolve_simple_move): Likewise.
9506         * optabs.c (widen_operand, expand_binop): Likewise.
9507         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
9508         * reload.c (find_reloads): Likewise.
9509         * reload1.c (eliminate_regs_in_insn): Likewise.
9510         * stmt.c (expand_nl_goto_receiver): Likewise.
9511         * config/alpha/alpha.md (builtin_longjmp): Likewise.
9512         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
9513         * config/arm/arm.c (arm_load_pic_register): Likewise.
9514         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
9515         * config/arm/arm.md (untyped_return): Likewise.
9516         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
9517         * config/avr/avr.c (expand_prologue): Likewise.
9518         * config/bfin/bfin.c (do_unlink): Likewise.
9519         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
9520         * config/cris/cris.c (cris_expand_prologue): Likewise.
9521         * config/darwin.c (machopic_indirect_data_reference): Likewise.
9522         (machopic_legitimize_pic_address): Likewise.
9523         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
9524         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
9525         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
9526         (ix86_expand_convert_uns_didf_sse): Likewise.
9527         (ix86_expand_vector_init_general): Likewise.
9528         * config/ia64/ia64.md (eh_epilogue): Likewise.
9529         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
9530         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
9531         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
9532         (config/iq2000/iq2000.c): Likewise.
9533         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
9534         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
9535         (builtin_longjmp): Likewise.
9536         * config/mn10300/mn10300.md (call, call_value): Likewise.
9537         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
9538         * config/pdp11/pdp11.md (abshi2): Likewise.
9539         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
9540         * config/s390/s390.c (s390_emit_prologue): Likewise.
9541         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
9542         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
9543         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
9544         * config/sh/sh.c (prepare_move_operands): Likewise.
9545         (output_stack_adjust, sh_expand_epilogue): Likewise.
9546         (sh_set_return_address, sh_expand_t_scc): Likewise.
9547         * config/sparc/sparc.c (load_pic_register): Likewise.
9548         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
9549         * config/spu/spu.c (spu_expand_epilogue): Likewise.
9550         * config/v850/v850.c (expand_epilogue): Likewise.
9551
9552 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
9553
9554         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
9555         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
9556         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
9557         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
9558         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
9559         stack pointer register.
9560         (output_movhi): Remove code for interrupt specific writing to the
9561         stack pointer register.
9562
9563 2008-05-31  Richard Guenther  <rguenther@suse.de>
9564
9565         PR tree-optimization/34244
9566         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
9567         (tree_expr_nonzero_warnv_p): Likewise.
9568         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
9569         ssa_name_nonnegative_p.
9570         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
9571         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
9572         not tree_expr_nonzero_warnv_p.
9573
9574         PR tree-optimization/36262
9575         Revert
9576         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
9577
9578         PR tree-optimization/34244
9579         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
9580         (record_numbers_of_iterations): New function.
9581         (execute_vrp): Cache the numbers of iterations of loops.
9582         * tree-scalar-evolution.c (scev_reset_except_niters):
9583         New function.
9584         (scev_reset): Use scev_reset_except_niters.
9585         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
9586
9587 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
9588
9589         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9590         __WORKAROUND_RETS when appropriate.
9591
9592 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
9593
9594         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
9595         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
9596         mode iterator.
9597         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
9598         *fop_df_comm_sse insn patterns using MODEF mode iterator.
9599         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
9600         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
9601         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
9602         *fop_df_1_mixed insn patterns using MODEF mode iterator.
9603         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
9604         *fop_df_1_sse insn patterns using MODEF mode iterator.
9605         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
9606         *fop_df_1_i387 insn patterns using MODEF mode iterator.
9607         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
9608         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
9609         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
9610         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
9611         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
9612         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
9613         (*fop_xf_4_i387): Use <MODE> for mode attribute.
9614         (*fop_xf_5_i387): Ditto.
9615         (*fop_xf_6_i387): Ditto.
9616
9617 2008-05-30  Richard Guenther  <rguenther@suse.de>
9618
9619         * builtins.c (build_string_literal): Avoid generating
9620         a non-gimple_val result.
9621
9622 2008-05-30  DJ Delorie  <dj@redhat.com>
9623
9624         * exec-tool.in: Use an environment variable (private) instead of a
9625         file (shared) as a semaphore, so as to not break parallel builds.
9626
9627 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9628
9629         * optabs.c (maybe_encapsulate_block): Remove.
9630         (emit_libcall_block): Adjust accordingly.
9631         * optabs.h (maybe_encapsulate_block): Remove prototype.
9632
9633         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
9634         Don't use maybe_encapsulate_block.
9635
9636 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
9637
9638         * config/rs6000/rs6000.c (rs6000_legitimize_address,
9639         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
9640         rtx is a SYMBOL_REF before calling get_pool_constant.
9641
9642 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
9643
9644         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
9645
9646 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
9647
9648         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
9649         rather than OS names to choose INO_T_EQ definition.
9650         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
9651         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
9652
9653 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
9654
9655         PR target/36348
9656         * config/darwin-f.c: New.
9657         * config/t-darwin: Added rule to build darwin-f.o.
9658         * config.gcc: Defined new variable, fortran_target_objs.
9659         (*-*-darwin*): Set fortran_target_objs.
9660         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
9661         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
9662         * configure: Regenerated.
9663
9664 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
9665
9666         PR target/35771
9667         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
9668         canonical type if needed.
9669
9670 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
9671
9672         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
9673
9674 2008-05-29  Richard Guenther  <rguenther@suse.de>
9675
9676         PR tree-optimization/36343
9677         PR tree-optimization/36346
9678         PR tree-optimization/36347
9679         * tree-flow.h (clobber_what_p_points_to): Declare.
9680         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
9681         pointed-to variable is dereferenced is irrelevant to whether
9682         the pointer can access the pointed-to variable.
9683         (clobber_what_p_points_to): New function.
9684         * tree-ssa-alias.c (set_initial_properties): Use it.
9685         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
9686         call clobber check for NMTs.
9687
9688 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9689
9690         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
9691         for printing gcov_type.
9692
9693 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
9694
9695         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
9696         and the eh region information.
9697         * value-prof.c (gimple_move_stmt_histograms): New function.
9698         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
9699
9700 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
9701
9702         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
9703
9704 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
9705
9706         * value-prof.c (tree_ic_transform): Print counts.
9707         * tree-profile.c (tree_gen_ic_func_profiler):
9708         Clear __gcov_indreict_call_callee variable to avoid misattribution
9709         of the profile.
9710
9711 2008-05-28  Rafael Espindola  <espindola@google.com>
9712
9713         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
9714         invalid sharing.
9715
9716 2008-05-28  Richard Guenther  <rguenther@suse.de>
9717
9718         PR tree-optimization/36339
9719         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
9720         and clobbering code out of the loop.
9721
9722 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9723
9724         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
9725         letters defined.
9726
9727         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
9728         s390_contiguous_bitmask_p, s390_symref_operand_p,
9729         s390_check_symref_alignment, s390_reload_larl_operand,
9730         s390_reload_symref_address): New functions.
9731         (s390_branch_condition_mnemonic): Support compare and branch
9732         instructions.
9733         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
9734         and 'W' constraints.
9735         (s390_secondary_reload): Add secondary reloads for unaligned
9736         symbol refs or symbol refs to floating point or QI/TI mode
9737         integer values.
9738         (legitimate_address_p): Accept symbol references as addresses.
9739         (s390_expand_insv): Use rotate and insert selected bits
9740         instruction for insv when building for z10.
9741         (print_operand_address): Handle symbol ref addresses.
9742         (print_operand): Output modifier 'c' added for signed byte values.
9743         (s390_encode_section_info): Mark symbol refs with
9744         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
9745
9746         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
9747         (length attribute): RRF, RRR have 4 byte length.
9748         (FPALL, INTALL): New mode iterators added.
9749         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
9750         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
9751         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
9752         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
9753         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
9754         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
9755         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
9756         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
9757         instructions.
9758         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
9759         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
9760         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
9761         reload<INTALL:mode><P:mode>_toreg_z10,
9762         reload<FPALL:mode><P:mode>_tomem_z10,
9763         reload<FPALL:mode><P:mode>_toreg_z10,
9764         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
9765         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
9766         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
9767         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
9768         definition.
9769         (movmem, clrmem, cmpmem): New splitters added.
9770
9771         * config/s390/predicates.md (larl_operand): Use
9772         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
9773         SYMBOL_REF_ALIGN1_P.
9774         (s390_signed_integer_comparison,
9775         s390_unsigned_integer_comparison): New predicates.
9776
9777         * config/s390/s390-protos.h (s390_check_symref_alignment,
9778         s390_contiguous_bitmask_p, s390_reload_larl_operand,
9779         s390_reload_symref_address,
9780         s390_compare_and_branch_condition_mask): Prototypes added.
9781
9782         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
9783         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
9784         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
9785
9786 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
9787
9788         * config/s390/s390.c (z10_cost): New cost function for z10.
9789         (s390_handle_arch_option, override_options): Support -march=z10 switch.
9790         (s390_issue_rate): Adjust issue rate for z10.
9791         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
9792         (processor_flags): Add PF_Z10.
9793         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
9794         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
9795         * gcc/config.gcc: Add z10.
9796
9797 2008-05-28  Richard Guenther  <rguenther@suse.de>
9798
9799         PR tree-optimization/36291
9800         * tree-flow. h (struct gimple_df): Remove var_anns member.
9801         * tree-flow-inline.h (gimple_var_anns): Remove.
9802         (var_ann): Simplify.
9803         * tree-dfa.c (create_var_ann): Simplify.
9804         (remove_referenced_var): Clear alias info from var_anns of globals.
9805         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
9806         (delete_tree_ssa): Clear alias info from var_anns of globals.
9807         Do not free var_anns.
9808         (var_ann_eq): Remove.
9809         (var_ann_hash): Likewise.
9810
9811 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
9812
9813         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
9814         and loongson2f entries.
9815         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
9816         * config/mips/mips.h (processor_type): Add Loongson-2E
9817         and Loongson-2F entries.
9818         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
9819         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
9820         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
9821         * doc/invoke.texi (MIPS Options): Document loongson2e
9822         and loongson2f processor names.
9823
9824 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9825
9826         PR target/35767
9827         PR target/35771
9828         * config/i386/i386.c (ix86_function_arg_boundary): Use
9829         alignment of canonical type.
9830         (ix86_expand_vector_move): Check unaligned memory access for
9831         all SSE modes.
9832
9833 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
9834
9835         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
9836         Moved to the front of file.
9837
9838 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
9839             H.J. Lu  <hongjiu.lu@intel.com>
9840
9841         * dwarf2out.c (current_fde): New.
9842         (add_cfi): Use it.
9843         (lookup_cfa:): Likewise.
9844         (dwarf2out_end_epilogue): Likewise.
9845         (dwarf2out_note_section_used): Likewise.
9846
9847 2008-05-27  Michael Matz  <matz@suse.de>
9848
9849         PR c++/27975
9850         * c.opt (Wenum-compare): New warning option.
9851         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
9852
9853 2008-05-27  Michael Matz  <matz@suse.de>
9854
9855         PR middle-end/36326
9856         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
9857         non-BLKmode types.
9858         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
9859         into memory as tail calls.
9860
9861 2008-05-27  Richard Guenther  <rguenther@suse.de>
9862
9863         PR tree-optimization/36339
9864         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
9865         pointers cause all addressable variables to be call clobbered.
9866
9867 2008-05-27  Richard Guenther  <rguenther@suse.de>
9868
9869         PR tree-optimization/36245
9870         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
9871
9872 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9873
9874         * config/s390/s390.md: Replace all occurences of the 'm'
9875         constraint with 'RT'.
9876
9877 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9878
9879         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
9880         definitions added.
9881         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
9882         "*movdi_64".
9883         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
9884         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
9885         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
9886
9887 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9888
9889         * reload.c: (find_reloads): Skip alternatives according to the
9890         "enabled" attribute. Constify the constraint variable.
9891         * recog.c (get_attr_enabled): Add default implementation.
9892         (extract_insn): Set the alternative_enabled_p array
9893         in the recog_data struct.
9894         (preprocess_constraints, constrain_operands): Skip
9895         alternatives according to the "enabled" attribute
9896         * recog.h (struct recog_data): New field alternative_enabled_p.
9897         (skip_alternative): New inline function.
9898         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
9899         (record_reg_classes): Skip alternative according to the
9900         "enabled" attribute.
9901
9902         * doc/md.texi: Add documention for the "enabled" attribute.
9903
9904 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
9905
9906         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
9907         * postreload.c (reload_cse_simplify_operands): Replace 'm'
9908         constraint with TARGET_MEM_CONSTRAINT.
9909         * recog.c (asm_operand_ok, preprocess_constraints,
9910         constrain_operands): Likewise.
9911         * regclass.c (record_reg_classes): Likewise.
9912         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
9913         * reload1.c (maybe_fix_stack_asms): Likewise.
9914         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
9915         * recog.h: Adjust comment.
9916         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
9917         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
9918         * doc/md.texi: Add a note to description of 'm' constraint.
9919         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
9920
9921 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
9922
9923         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
9924         that the bitfield is of integral type before testing its precision.
9925
9926 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
9927             Sa Liu  <saliu@de.ibm.com>
9928
9929         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
9930         __modti3, __udivti3, __umodti3 and __udivmodti4.
9931         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
9932         that implement TImode mul and div functions.
9933         * config/spu/multi3.c: New. Implement __multi3.
9934         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
9935         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
9936         functions on SPU.
9937
9938 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
9939
9940         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
9941         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
9942         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
9943         tls_sysv_suffix): New mode and mode attribute iterators.
9944         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
9945         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
9946         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
9947         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
9948         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
9949         iterators.
9950
9951 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
9952
9953         PR tree-optimization/36329
9954         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
9955         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
9956         * cgraphbuild.c (initialize_inline_failed): Use the latter
9957         macro in lieu of the former.
9958         * ipa-inline.c (cgraph_mark_inline): Likewise.
9959         (cgraph_decide_inlining_of_small_function): Likewise.
9960         (cgraph_decide_inlining): Likewise.
9961         (cgraph_decide_inlining_incrementally): Likewise.
9962
9963 2008-05-26  Tristan Gingold  <gingold@adacore.com>
9964             Anatoly Sokolov  <aesok@post.ru>
9965
9966         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
9967         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
9968         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
9969         optimization for 'avr6' architecture.
9970
9971 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
9972
9973         PR target/34932
9974         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
9975
9976 2008-05-26  Richard Guenther  <rguenther@suse.de>
9977
9978         * tree-ssa-sccvn.c (expr_has_constants): Declare.
9979         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
9980
9981 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
9982
9983         PR middle-end/36253
9984         * caller-save.c (insert_restore): Verify alignment of spill space.
9985         (insert_save): Likewise.
9986         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
9987         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
9988         (STACK_SLOT_ALIGNMENT): Likewise.
9989         * function.c (LOCAL_ALIGNMENT): Removed.
9990         (get_stack_local_alignment): New.
9991         (assign_stack_local): Use it.  Set alignment on stack slot.
9992         (assign_stack_temp_for_type): Use get_stack_local_alignment.
9993         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
9994         (STACK_SLOT_ALIGNMENT): New.
9995         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
9996         stack slot in XFmode.
9997
9998         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
9999
10000 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
10001
10002         PR/36321
10003         * config/i386/i386.md (allocate_stack_worker_64): Make sure
10004         argument operand in rax isn't removed.
10005
10006 2008-05-26  Richard Guenther  <rguenther@suse.de>
10007
10008         PR middle-end/36300
10009         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
10010         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
10011
10012 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10013
10014         PR bootstrap/36331
10015         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
10016
10017 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
10018
10019         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
10020         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
10021
10022 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10023
10024         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
10025         build a trampoline if we don't want one.
10026         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
10027         return zero for nested functions if we don't want a trampoline.
10028
10029 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10030
10031         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
10032
10033 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
10034
10035         PR fortran/18428
10036         * c.opt: Removed undocumented option '-lang-fortran'.
10037         * c-common.h: Removed global variable 'lang_fortran'.
10038         * c-opts.c (c_common_handle_option): Removed code to handle
10039         option '-lang-fortran'. Updated includes.
10040         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
10041         definition of '__GFORTRAN__'.
10042         (define__GNUC__): Reimplemented to use BASEVER and
10043         cpp_define_formatted.
10044         (builtin_define_with_value_n): Removed.
10045         * c-incpath.h: Renamed to ...
10046         * incpath.h: ... this.
10047         * c-incpath.c: Renamed to ...
10048         * incpath.c: ... this. Updated includes.
10049         * fix-header.c: Updated includes.
10050         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
10051         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
10052         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
10053
10054 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
10055
10056         * tree.h: Update the table of flags used on tree nodes.
10057         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
10058         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
10059         (FORCED_LABEL): Add access check.
10060         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
10061         (ASM_INPUT_P): Likewise.
10062         (ASM_VOLATILE_P): Likewise.
10063         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
10064         (OMP_SECTION_LAST): Access private_flag directly.
10065         (OMP_RETURN_NOWAIT): Likewise.
10066         (OMP_PARALLEL_COMBINED): Likewise.
10067         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
10068         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
10069         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
10070         deprecated_flag directly.
10071
10072 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
10073
10074         * final.c (frame_pointer_needed): Removed.
10075         * flags.h (frame_pointer_needed): Likewise.
10076
10077         * function.h (rtl_data): Add frame_pointer_needed.
10078         (frame_pointer_needed): New.
10079
10080 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
10081
10082         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
10083
10084 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
10085
10086         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
10087         SRC is a REG.
10088
10089 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
10090
10091         * c-common.c (strip_array_types): Move function to..
10092         * tree.c: ..here.
10093         (get_inner_array_type): Delete.
10094         * c-common.h (strip_array_types): Move declaration to..
10095         * tree.h: ..here.
10096         (get_inner_array_type): Delete.
10097         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
10098         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
10099         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
10100         * config/pa/pa.c (emit_move_sequence): Likewise.
10101
10102 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
10103
10104         * config/i386/i386.md (*sse_prologue_save_insn): Set length
10105         attribute to 34.
10106
10107 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
10108
10109         * function.c: Include target hook for nonlocal_goto frame value.
10110
10111 2008-05-24  Richard Guenther  <rguenther@suse.de>
10112
10113         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
10114         variable can be only accessed through a pointer or a union.
10115
10116 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10117
10118         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
10119         * doc/extend.texi: Likewise.
10120
10121 2008-05-23  DJ Delorie  <dj@redhat.com>
10122
10123         * config/m32c/jump.md (untyped_call): Add.
10124
10125         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
10126         for A24 to PSImode.
10127         (m32c_address_cost): Detail costs for indirect offsets.
10128
10129 2008-05-23  Rafael Espindola  <espindola@google.com>
10130
10131         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
10132         if a node is a SUBREG.
10133         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
10134         is a SUBREG.
10135
10136 2008-05-23  Paul Brook  <paul@codesourcery.com>
10137             Carlos O'Donell  <carlos@codesourcery.com>
10138
10139         * doc/extend.texi: Clarify use of __attribute__((naked)).
10140         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10141         * target.h (gcc_target): Add allocate_stack_slots_for_args.
10142         * function.c (use_register_for_decl): Use
10143         targetm.calls.allocate_stack_slots_for_args.
10144         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
10145         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
10146         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
10147
10148 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
10149
10150         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
10151
10152 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
10153
10154         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
10155         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
10156         is only rounded once.
10157
10158 2008-05-23  Richard Guenther  <rguenther@suse.de>
10159
10160         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
10161
10162 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
10163             Jakub Jelinek  <jakub@redhat.com>
10164
10165         PR target/36079
10166         * configure.ac: Handle --enable-cld.
10167         * configure: Regenerated.
10168         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
10169         * config/i386/i386.h (struct machine_function): Add needs_cld field.
10170         (ix86_current_function_needs_cld): New define.
10171         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
10172         (cld): New isns pattern.
10173         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
10174         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
10175         * config/i386/i386.opt (mcld): New option.
10176         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
10177         TARGET_CLD and ix86_current_function_needs_cld.
10178         (override_options): Use -mcld by default for 32-bit code if
10179         USE_IX86_CLD.
10180
10181         * doc/install.texi (Options specification): Document --enable-cld.
10182         * doc/invoke.texi (Machine Dependent Options)
10183         [i386 and x86-64 Options]: Add -mcld option.
10184         (Intel 386 and AMD x86-64 Options): Document -mcld option.
10185
10186 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
10187         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
10188         (return_in_memory_64): Likewise.
10189         (return_in_memory_ms_64): Likewise.
10190
10191 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10192
10193         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
10194         * builtins.c (fold_builtin_fpclassify): New.
10195         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
10196         * builtins.def (BUILT_IN_FPCLASSIFY): New.
10197         * c-common.c (handle_type_generic_attribute): Adjust to accept
10198         fixed arguments before an elipsis.
10199         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
10200         * doc/extend.texi: Document __builtin_fpclassify.
10201
10202 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
10203
10204         * omp-low.c (gate_expand_omp_ssa): Remove.
10205         (pass_expand_omp_ssa): Remove.
10206         (gate_expand_omp): Do not check for flag_openmp_ssa.
10207         * common.opt (-fopenmp-ssa): Remove.
10208         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
10209
10210 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
10211
10212         * config/sh/sh.opt (mfixed-range): New option.
10213         * config/sh/sh-protos.h (sh_fix_range): Declare.
10214         * config/sh/sh.c (sh_fix_range): New function.
10215         * config/sh/sh.h (sh_fixed_range_str): Declare.
10216         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
10217         is not empty.
10218         * doc/invoke.texi (SH Options): Document -mfixed-range.
10219
10220 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
10221
10222         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
10223         it before the redeclaration.
10224
10225 2008-05-22  Anatoly Sokolov <aesok@post.ru>
10226
10227         * config/avr/avr.c (get_sequence_length): Add new function.
10228         (expand_prologue, expand_epilogue): Remove duplicate code.
10229
10230 2008-05-22  Rafael Espindola  <espindola@google.com>
10231
10232         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
10233         sharing.
10234
10235 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
10236
10237         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
10238         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
10239
10240         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
10241         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
10242         (vect_update_misalignment_for_peel): Likewise.
10243         (vector_alignment_reachable_p): Likewise.
10244         * tree-vect-transform.c (vectorizable_load): Likewise.
10245         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
10246         (get_vectype_for_scalar_type): Pass mode of scalar_type
10247         to UNITS_PER_SIMD_WORD.
10248
10249         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
10250         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
10251         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
10252         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
10253         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
10254
10255 2008-05-22  Ira Rosen  <irar@il.ibm.com>
10256
10257         PR tree-optimization/36293
10258         * tree-vect-transform.c (vect_transform_strided_load): Don't check
10259         if the first load must be skipped because of a gap.
10260
10261 2008-05-22  Richard Guenther  <rguenther@suse.de>
10262
10263         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
10264         more cases of offset disambiguation that is possible if
10265         strict-aliasing rules apply.
10266         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
10267         for basic offset and type-based disambiguation.
10268
10269 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10270
10271         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
10272         ix86_expand_vector_set on V16QImode for SSE4.1.
10273
10274 2008-05-21  Tom Tromey  <tromey@redhat.com>
10275
10276         * c.opt (Wimport): Mark as undocumented.
10277         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
10278         -Wno-import.
10279         (Warning Options): Likewise.
10280         * doc/cppopts.texi: Don't mention -Wimport.
10281
10282 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
10283
10284         PR tree-optimization/36287
10285         PR tree-optimization/36286
10286         * lambda-code.c (build_access_matrix): Do not use the loop->num
10287         for computing the number of induction variables: use the loop depth
10288         instead.
10289
10290 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
10291
10292         PR/36280
10293         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
10294         option -f(no-)leading-underscore.
10295
10296 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10297
10298         * config/i386/i386.c (ix86_expand_vector_init_general): Use
10299         GET_MODE_NUNITS (mode).
10300
10301 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
10302
10303         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
10304         (-mmulhw): Add 464 to description.
10305         (-mdlmzb): Likewise.
10306         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
10307         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
10308         464fp entries.
10309         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
10310         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
10311         * config/rs6000/rs6000.md: Update comments for 464.
10312
10313 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
10314
10315         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
10316
10317 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10318
10319         * config/i386/sse.md (vec_extractv4sf): Removed.
10320         (vec_extractv2df): Likewise.
10321         (vec_extractv2di): Likewise.
10322         (vec_extractv4si): Likewise.
10323         (vec_extractv8hi): Likewise.
10324         (vec_extractv16qi): Likewise.
10325         (vec_extract<mode>): New.
10326
10327 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10328
10329         * config/i386/sse.md (vec_setv4sf): Removed.
10330         (vec_setv2df): Likewise.
10331         (vec_setv2di): Likewise.
10332         (vec_setv4si): Likewise.
10333         (vec_setv8hi): Likewise.
10334         (vec_setv16qi): Likewise.
10335         (vec_set<mode>): New.
10336
10337 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10338
10339         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
10340         goto for vec_concat and vec_interleave.
10341
10342 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
10343
10344         * config/i386/sse.md (vec_initv4sf): Removed.
10345         (vec_initv2df): Likewise.
10346         (vec_initv2di): Likewise.
10347         (vec_initv4si): Likewise.
10348         (vec_initv8hi): Likewise.
10349         (vec_initv16qi): Likewise.
10350         (vec_init<mode>): New.
10351
10352 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
10353
10354         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
10355
10356 2008-05-21  Tom Tromey  <tromey@redhat.com>
10357
10358         * ggc-zone.c (lookup_page_table_if_allocated): New function.
10359         (zone_find_object_offset): Likewise.
10360         (gt_ggc_m_S): Likewise.
10361         (highest_bit): Likewise.
10362         * ggc-page.c (gt_ggc_m_S): New function.
10363         * stringpool.c (string_stack): Remove.
10364         (init_stringpool): Update.
10365         (ggc_alloc_string): Use ggc_alloc.
10366         (maybe_delete_ident): New function.
10367         (ggc_purge_stringpool): Likewise.
10368         (gt_ggc_m_S): Remove.
10369         * ggc-common.c (ggc_protect_identifiers): New global.
10370         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
10371         ggc_protect_identifiers.
10372         * ggc.h (ggc_protect_identifiers): Declare.
10373         (gt_ggc_m_S): Update.
10374         (ggc_purge_stringpool): Declare.
10375         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
10376         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
10377         special case.
10378         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
10379
10380 2008-05-21  David S. Miller  <davem@davemloft.net>
10381
10382         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
10383         tmake_file.
10384
10385 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
10386
10387         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
10388         once finished.
10389
10390 2008-05-20  David Daney  <ddaney@avtrex.com>
10391
10392         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
10393         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
10394         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
10395         UNSPEC_UPDATE_GOT_VERSION): Renumber.
10396         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
10397         (atomic_hiqi_op): New define_code_iterator.
10398         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
10399         mips_expand_compare_and_swap_12.
10400         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
10401         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
10402         (sync_<optab><mode>, sync_old_<optab><mode>,
10403         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
10404         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
10405         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
10406         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
10407         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
10408         (test_and_set_12): New insn.
10409         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
10410         sync_new_<optab><mode>, sync_old_nand<mode>,
10411         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
10412         clobber to operand 0 for SI and DI mode insns.
10413         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
10414         mips_gen_fn_4): New typedefs.
10415         (mips_gen_fn_ptrs): Define new union type.
10416         (mips_expand_compare_and_swap_12): Remove declaration.
10417         (mips_expand_atomic_qihi): Declare function.
10418         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
10419         (mips_expand_atomic_qihi): ... this.  Use new generator function
10420         parameter.
10421         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
10422         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
10423         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
10424         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
10425         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
10426         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
10427         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
10428         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
10429         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
10430         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
10431         New macros.
10432
10433 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
10434
10435         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
10436         the missing break.
10437
10438 2008-05-20  Anatoly Sokolov <aesok@post.ru>
10439
10440         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
10441         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
10442         (avr_attribute_table): Add 'OS_main' function attribute.
10443         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
10444         functions with 'OS_main' attribute.
10445
10446 2008-05-20  Richard Guenther  <rguenther@suse.de>
10447
10448         PR tree-optimization/35204
10449         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
10450         helper, split out from ...
10451         (DFS): ... here.  Make the DFS walk non-recursive.
10452
10453 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
10454             Jan Sjodin  <jan.sjodin@amd.com>
10455
10456         PR tree-optimization/36181
10457         * tree-parloops.c (loop_has_vector_phi_nodes): New.
10458         (parallelize_loops): Don't parallelize when the loop has vector
10459         phi nodes.
10460
10461 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10462             Sebastian Pop  <sebastian.pop@amd.com>
10463
10464         * tree-loop-linear.c (gather_interchange_stats): Look in the access
10465         matrix, and never look at the tree representation of the memory
10466         accesses.
10467         (linear_transform_loops): Computes parameters and access matrices.
10468         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
10469         when fails.
10470         (access_matrix_get_index_for_parameter): New.
10471         * tree-data-ref.h (struct access_matrix): New.
10472         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
10473         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
10474         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
10475         am_vector_index_for_loop): New.
10476         (struct data_reference): Add field access_matrix.
10477         (DR_ACCESS_MATRIX): New.
10478         (compute_data_dependences_for_loop): Update declaration.
10479         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
10480         * lambda.h (lambda_vector_vec_p): Declared.
10481         * lambda-code.c: Depend on pointer-set.h.
10482         (lambda_collect_parameters_from_af, lambda_collect_parameters,
10483         av_for_af_base, av_for_af, build_access_matrix,
10484         lambda_compute_access_matrices): New.
10485         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
10486
10487 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
10488
10489         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
10490         $SOURCEDIR/include.
10491
10492 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10493             Sebastian Pop  <sebastian.pop@amd.com>
10494
10495         PR tree-optimization/36206
10496         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
10497         FOLD_CONVERSIONS.
10498         (instantiate_scev_1): Rename flags to fold_conversions.
10499         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
10500         outeside instantiation_loop.
10501         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
10502         (evolution_function_is_affine_or_constant_p): Removed.
10503         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
10504         instantiate_scev.
10505         (analyze_siv_subscript): Pass in the loop nest number.
10506         Call evolution_function_is_affine_in_loop instead of
10507         evolution_function_is_affine_p.
10508         (analyze_overlapping_iterations): Pass in the loop nest number.
10509
10510 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
10511             Sebastian Pop  <sebastian.pop@amd.com>
10512
10513         PR tree-optimization/36206
10514         * tree-chrec.h (chrec_fold_op): New.
10515         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
10516         and other trees.
10517
10518 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
10519
10520         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
10521         (DIRS_EQ): New.
10522         (remove_duplicates): Do not set inode on non-inode systems.
10523         Use DIRS_EQ.
10524
10525 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
10526
10527         * config.gcc (tm_file): Update comments about relative pathnames.
10528
10529 2008-05-20  Richard Guenther  <rguenther@suse.de>
10530
10531         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
10532         * tree-ssa-sccvn.c (process_scc): Likewise.
10533         * tree-ssa-sink.c (execute_sink_code): Likewise.
10534         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
10535         * tree-vrp.c (process_assert_insertions): Likewise.
10536         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
10537         (perform_tree_ssa_dce): Likewise.
10538         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
10539         (dump_dominator_optimization_stats): Likewise.
10540         * tree-vectorizer.c (vectorize_loops): Likewise.
10541
10542 2008-05-20  Richard Guenther  <rguenther@suse.de>
10543
10544         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
10545
10546 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
10547
10548         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
10549         (ix86_i386elf_return_in_memory): Likewise.
10550         (ix86_i386interix_return_in_memory): Likewise.
10551         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
10552         (SUBTARGET_RETURN_IN_MEMORY): New.
10553         * config/i386/i386elf.h: Likewise.
10554         * config/i386/ptx4-i.h: Likewise.
10555         * config/i386/sol2-10.h: Likewise.
10556         * config/i386/sysv4.h: Likewise.
10557         * config/i386/vx-common.h: Likewise.
10558         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
10559         * config/i386/i386.c (ix86_return_in_memory): Made static and
10560         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
10561         (ix86_i386elf_return_in_memory): Removed.
10562         (ix86_i386interix_return_in_memory): Removed.
10563         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
10564         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
10565
10566 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
10567
10568         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
10569
10570 2008-05-19  Xinliang David Li  <davidxl@google.com>
10571
10572         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
10573         * opts.c: Ditto.
10574         * common.opt: Ditto.
10575         * doc/invoke.texi: Ditto.
10576
10577 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
10578
10579         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
10580         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
10581
10582 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10583
10584         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
10585         sizes of operand array from 8/4 to 4/2.
10586         (ix86_expand_vector_init_general): Change size of operand array
10587         from 32 to 16.  Remove op0, op1 and half_mode.
10588
10589 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
10590
10591         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
10592         (ix86_expand_vector_init_interleave): Likewise.
10593         (ix86_expand_vector_init_general): Use them.  Assert
10594         word_mode == SImode when n_words == 4.
10595
10596 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
10597
10598         * config/i386/i386.c (ix86_secondary_reload): New static function.
10599         (TARGET_SECONDARY_RELOAD): New define.
10600         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
10601         * config/i386/i386.md (reload_outqi): Remove.
10602
10603 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10604
10605         PR middle-end/35509
10606         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
10607         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
10608         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
10609         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
10610         (fold_builtin_1): Likewise.
10611         * builtins.def (BUILT_IN_ISINF_SIGN): New.
10612         c-common.c (check_builtin_function_arguments): Handle
10613         BUILT_IN_ISINF_SIGN.
10614         * doc/extend.texi: Document __builtin_isinf_sign.
10615         * fold-const.c (operand_equal_p): Handle COND_EXPR.
10616
10617 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
10618
10619         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
10620         EH cleanup at the end of the pass, search for those that have been
10621         turned into forwarder blocks and do the cleanup on their successor.
10622
10623 2008-05-18  Richard Guenther  <rguenther@suse.de>
10624
10625         * tree-cfg.c (verify_gimple_expr): Allow conversions from
10626         pointers to sizetype and vice versa.
10627
10628 2008-05-18 Xinliang David Li   <davidxl@google.com>
10629
10630         * gcc/tree-ssa-dce.c: Coding style fix.
10631         (check_pow): Documentation comment.
10632         (check_log): Documenation comment. Coding style fix.
10633         (is_unnecessary_except_errno_call): Ditto.
10634         (gen_conditions_for_pow): Ditto.
10635         (gen_conditions_for_log): Ditto.
10636         (gen_shrink_wrap_conditions): Ditto.
10637         (shrink_wrap_one_built_in_calls): Ditto.
10638         * gcc/doc/invoke.texi: Better documentation string.
10639         * ChangeLog: Fix wrong change log entries from
10640         May 17 checkin on function call DCE.
10641
10642 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
10643
10644         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
10645
10646 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
10647
10648         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
10649         * df-problems.c (simulation routines): Fixed block comment to
10650         properly say how to add forwards scanning functions.
10651
10652 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10653
10654         * tree-inline.c (setup_one_parameter): Remove dead code.
10655
10656 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
10657
10658         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
10659         a BIT_AND_EXPR only for an INTEGER_TYPE.
10660
10661 2008-05-17 Xinliang David Li   <davidxl@google.com>
10662
10663         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
10664         (check_pow, check_log, is_unnecessary_except_errno_call): New
10665         functions to check for eliminating math functions that are pure
10666         except for setting errno.
10667         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
10668         general condition expressions for shrink-wrapping pow/log calls.
10669         (gen_shrink_wrap_conditions): Ditto.
10670         (shrink_wrap_one_built_in_call): Ditto.
10671         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
10672         (mark_operand_necessary): If debugging, output if OP is necessary.
10673         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
10674         unnecessary.
10675         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
10676         opt level >= 2.
10677         * gcc/common.opt: New user flag -ftree-builtin-dce.
10678         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
10679
10680 2008-05-16  David S. Miller  <davem@davemloft.net>
10681
10682         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
10683         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
10684
10685 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
10686
10687         PR target/36246
10688         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
10689
10690 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10691
10692         * ifcvt.c (dead_or_predicable): Rename
10693         df_simulate_one_insn_backwards to df_simulate_one_insn.
10694         * recog.c (peephole2_optimize): Ditto.
10695         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
10696         Ditto.
10697         * df.h: Rename df_simulate_one_insn_backwards to
10698         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
10699         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
10700         scanning of defs and uses.
10701         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
10702         (df_simulate_one_insn_forwards): Removed.
10703
10704 2008-05-16  Doug Kwan  <dougkwan@google.com>
10705
10706         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
10707         QNaN & SNaN.
10708         (real_from_string): Handle NaNs and Inf as approriate.
10709
10710 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10711
10712         * doc/gty.texi (Source Files Containing Type Information): Note
10713         that headers should appear first in the gtfiles list.
10714
10715 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10716
10717         * tree.def (COND_EXEC): Properly documented this code.
10718
10719 2008-05-16  Diego Novillo  <dnovillo@google.com>
10720
10721         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
10722         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
10723         the new field.
10724
10725 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10726
10727         * tree-ssa-dse (max_stmt_uid): Removed.
10728         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
10729         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
10730         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
10731         * function.h (cfun.last_stmt_uid): New field.
10732         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
10733         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
10734         New functions.
10735         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
10736         (create_stmt_ann): Initialize the ann->uid field.
10737         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
10738         with new calls.
10739         * tree-flow.h (renumber_gimple_stmt_uids): New function.
10740
10741 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
10742
10743         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
10744         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
10745         (init_empty_tree_cfg): Call it.
10746
10747 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10748
10749         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
10750         Update all users.
10751
10752 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
10753
10754         * doc/invoke.text (-fdump-tree-*-verbose): New option.
10755         * tree-dump.c (dump_options): New verbose option.
10756         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
10757         Add verbose dump.
10758         * tree-pass.h (TDF_VERBOSE): New dump flag.
10759         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
10760         (tree-flow.h): Added include.
10761         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
10762
10763 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
10764
10765         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
10766
10767         From Jie Zhang  <jie.zhang@analog.com>
10768         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10769         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
10770         mcpu=bf561-none and mcpu=bf561-0.2.
10771         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10772         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10773         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
10774         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
10775         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
10776         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
10777         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
10778         option.
10779         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
10780         (cputype_selected): Remove.
10781         (bfin_handle_option): Don't use cputype_selected.
10782         (override_options): When no mcpu option, enable all workarounds.
10783         Don't use bfin_workarounds.
10784         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
10785         processor type.
10786         (DEFAULT_CPU_TYPE): Don't define.
10787
10788 2008-05-16  Richard Guenther  <rguenther@suse.de>
10789
10790         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
10791         on deletion of the last stmt.
10792
10793 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10794
10795         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
10796         V8HImode for SSE2 and V16QImode for SSE4.1.
10797
10798 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
10799
10800         * cgraph.h (compute_inline_parameters): Made public.
10801         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
10802         variable_generate_summary, function_write_summary,
10803         variable_write_summary, variable_read_summary.  Added generate_summary,
10804         write_summary, read_summary.
10805         * cgraphunit.c (cgraph_process_new_functions): Changed call from
10806         pass_ipa_inline.function_generate_summary, to
10807         compute_inline_parameters.
10808         * ipa-inline.c (compute_inline_parameters): Made public and added
10809         node parameter.
10810         (compute_inline_parameters_for_current): New function.
10811         (pass_inline_param): Now calls compute_inline_parameters_for_current.
10812         (inline_generate_summary): Removed parameter and made to loop over
10813         all cgraph nodes.
10814         (pass_ipa_inline): Updated for new IPA_PASS structure.
10815         * passes.c (execute_ipa_summary_passes): Now is called once per
10816         pass rather than once per node*pass.
10817
10818 2008-05-15  Anatoly Sokolov <aesok@post.ru>
10819
10820         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
10821         avr_have_mul_p, avr_asm_only_p): Remove variables.
10822         (avr_override_options): Remove initialization of removed variables.
10823         (avr_file_start):  Convert removed variables to fields of
10824         'struct base_arch_s *avr_current_arch'.
10825         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
10826         (AVR_HAVE_MUL): (Ditto.).
10827         (AVR_HAVE_MOVW): (Ditto.).
10828         (AVR_HAVE_LPMX): (Ditto.).
10829         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
10830         avr_asm_only_p): Remove declaration.
10831
10832 2008-05-15  Diego Novillo  <dnovillo@google.com>
10833
10834         * config/arm/arm.c (arm_return_in_memory): Fix return type.
10835         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
10836
10837 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
10838
10839         PR middle-end/36194
10840         * combine.c (check_conversion): Rename back to check_promoted_subreg.
10841         Don't call record_truncated_value from here.
10842         (record_truncated_value): Turn it into a for_each_rtx callback.
10843         (record_truncated_values): New function.
10844         (combine_instructions): Call note_uses with record_truncated_values.
10845         Change name of check_conversion to check_promoted_subreg.
10846
10847 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
10848
10849         * doc/sourcebuild.texi: Document support for torture tests.
10850
10851 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10852
10853         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
10854         to alternative 4 of operand 2.
10855
10856 2008-05-15  Richard Guenther  <rguenther@suse.de>
10857
10858         * tree-pass.h (current_pass): Declare.
10859         (get_pass_for_id): Likewise.
10860         * passes.c (passes_by_id, passes_by_id_size): New globals.
10861         (set_pass_for_id): New function.
10862         (get_pass_for_id): Likewise.
10863         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
10864         (execute_function_todo): Flush per function statistics.
10865         * toplev.c (compile_file): Init statistics.
10866         (general_init): Do early statistics initialization.
10867         (finalize): Finish statistics.
10868         * statistics.h (statistics_early_init): Declare.
10869         (statistics_init): Likewise.
10870         (statistics_fini): Likewise.
10871         (statistics_fini_pass): Likewise.
10872         (statistics_counter_event): Likewise.
10873         (statistics_histogram_event): Likewise.
10874         * statistics.c: New file.
10875         * Makefile.in (OBJS-common): Add statistics.o.
10876         (statistics.o): Add dependencies.
10877         * doc/invoke.texi (-fdump-statistics): Document.
10878
10879         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
10880         (insert): Likewise.
10881         (execute_pre): Use statistics_counter_event.
10882         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
10883         (substitute_and_fold): Increment it.  Use statistics_counter_event.
10884
10885 2008-05-15  Diego Novillo  <dnovillo@google.com>
10886
10887         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
10888
10889         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
10890         * tree-ssa-alias.c (new_type_alias): Remove references to
10891         sub-variables from comment.
10892         * tree-ssa-operands.c (swap_tree_operands): Likewise.
10893
10894 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
10895
10896         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
10897         attribute to 1 only for insertps alternative.
10898
10899 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10900
10901         * config/bfin/bfin.md (loadbytes): New pattern.
10902         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
10903         (bfin_init_builtins): Initialize it.
10904         (bdesc_1arg): Add it.
10905
10906 2008-05-15  Sa Liu  <saliu@de.ibm.com>
10907
10908         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
10909         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
10910         * testsuite/lib/target-supports.exp: Add
10911         check_effective_target_fortran_integer_16.
10912
10913 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
10914
10915         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
10916         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
10917         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
10918         (TARGET_RETURN_IN_MEMORY): Define.
10919
10920 2008-05-15  Richard Guenther  <rguenther@suse.de>
10921
10922         PR middle-end/36244
10923         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
10924         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
10925         represent unmodifiable vars.
10926
10927 2008-05-15  Richard Guenther  <rguenther@suse.de>
10928
10929         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
10930         INDIRECT_REF and TARGET_MEM_REF.
10931         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
10932         TARGET_MEM_REF.
10933
10934 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
10935             H.J. Lu  <hongjiu.lu@intel.com>
10936
10937         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
10938         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
10939         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
10940         insn alternatives.  Add missing alternatives.
10941         (*vec_concatv2di_rex64_sse4_1): Likewise.
10942         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
10943         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
10944         Require TARGET_SSE.
10945
10946 2008-05-15  Richard Guenther  <rguenther@suse.de>
10947
10948         PR tree-optimization/36009
10949         PR tree-optimization/36204
10950         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
10951         (determine_invariantness_stmt): Record the loop a store is
10952         always executed in.
10953         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
10954         dependency.
10955
10956 2008-05-15  Richard Guenther  <rguenther@suse.de>
10957
10958         PR tree-optimization/34330
10959         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
10960         through the pointer will alias the SMT.
10961
10962 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
10963
10964         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
10965
10966 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
10967
10968         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
10969
10970 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
10971             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10972
10973         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
10974         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
10975         (vashl_optab): New optab for vector/vector shifts.
10976         (vashr_optab): Ditto.
10977         (vlshr_optab): Ditto.
10978         (vrotl_optab): Ditto.
10979         (vrotr_optab): Ditto.
10980         (optab_subtype): New enum for optab_for_tree_code call.
10981         (optab_for_tree_code): Add enum optab_subtype argument.
10982
10983         * optabs.c (optab_for_tree_code): Take an additional argument to
10984         distinguish between a vector shift by a scalar and vector shift by
10985         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
10986         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
10987         vector shift by a vector.
10988         (expand_widen_pattern_expr): Pass additional argument to
10989         optab_for_tree_code.
10990
10991         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
10992         vrotl_optab, vrotr_optab.
10993
10994         * expr.c (expand_expr_real_1): Update calls to
10995         optab_for_tree_code to distinguish between vector shifted by a
10996         scalar and vector shifted by a vector.
10997         * tree-vectorizer.c (supportable_widening_operation): Ditto.
10998         (supportable_narrowing_operation): Ditto.
10999         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
11000         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
11001         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
11002         (vect_create_epilog_for_reduction): Ditto.
11003         (vectorizable_reduction): Ditto.
11004         (vectorizable_operation): Ditto.
11005         (vect_strided_store_supported): Ditto.
11006         (vect_strided_load_supported): Ditto.
11007         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
11008         * expmed.c (expand_shift): Ditto.
11009
11010         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
11011         scalar type.
11012         (ashr@var{m}3): Ditto.
11013         (vashl@var{m}3): Document new vector/vector shift standard name.
11014         (vashr@var{m}3): Ditto.
11015         (vlshr@var{m}3): Ditto.
11016         (vrotl@var{m}3): Ditto.
11017         (vrotr@var{m}3): Ditto.
11018
11019         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
11020         (PPERM_INVERT): Ditto.
11021         (PPERM_REVERSE): Ditto.
11022         (PPERM_REV_INV): Ditto.
11023         (PPERM_ZERO): Ditto.
11024         (PPERM_ONES): Ditto.
11025         (PPERM_SIGN): Ditto.
11026         (PPERM_INV_SIGN): Ditto.
11027         (PPERM_SRC1): Ditto.
11028         (PPERM_SRC2): Ditto.
11029
11030         * config/i386/sse.md (mulv2di3): Add SSE5 support.
11031         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
11032         allows a memory operand to be the value being added, and split it
11033         to improve vectorization.
11034         (sse5_pmacsdqh_mem): Ditto.
11035         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
11036         (sse5_mulv2div2di3_high): Ditto.
11037         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
11038         (vec_pack_trunc_v4si): Ditto.
11039         (vec_pack_trunc_v2di): Ditto.
11040         (sse5_pcmov_<mode>): Remove code that tried to use use
11041         andps/andnps instead of pcmov.
11042         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
11043         pmacsdqh instructions.
11044         (vec_widen_smult_lo_v4si): Ditto.
11045
11046         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
11047         (PPERM_INVERT): Ditto.
11048         (PPERM_REVERSE): Ditto.
11049         (PPERM_REV_INV): Ditto.
11050         (PPERM_ZERO): Ditto.
11051         (PPERM_ONES): Ditto.
11052         (PPERM_SIGN): Ditto.
11053         (PPERM_INV_SIGN): Ditto.
11054         (PPERM_SRC1): Ditto.
11055         (PPERM_SRC2): Ditto.
11056         (ix86_expand_sse_movcc): Move the SSE5 test after the if
11057         true/false tests.
11058         (ix86_expand_int_vcond): If SSE5 generate all possible integer
11059         comparisons.
11060         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
11061         says ignore whether the last reference is a memory operand.
11062
11063 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11064             Paolo Bonzini <bonzini at gnu dot org>
11065
11066         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
11067         shift patterns.
11068
11069         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
11070         (vlshr<mode>3): Rename from vlshr<mode>3.
11071         (vashr<mode>3): Rename from vashr<mode>3.
11072         (mulv4sf3): Change the names of vector shift patterns.
11073         (mulv4si3): Ditto.
11074         (negv4sf2): Ditt.
11075
11076         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
11077         shift insns.
11078
11079         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
11080         (SI_SHLHI): Ditto.
11081         (SI_SHL): Ditto.
11082         (SI_SHLI): Ditto.
11083         (SI_ROTH): Ditto.
11084         (SI_ROTHI): Ditto.
11085         (SI_ROT): Ditto.
11086         (SI_ROTI): Ditto.
11087         (SPU_RL_0): Ditto.
11088         (SPU_RL_1): Ditto.
11089         (SPU_RL_2): Ditto.
11090         (SPU_RL_3): Ditto.
11091         (SPU_RL_4): Ditto.
11092         (SPU_RL_5): Ditto.
11093         (SPU_RL_6): Ditto.
11094         (SPU_RL_7): Ditto.
11095         (SPU_SL_0): Ditto.
11096         (SPU_SL_1): Ditto.
11097         (SPU_SL_2): Ditto.
11098         (SPU_SL_3): Ditto.
11099         (SPU_SL_4): Ditto.
11100         (SPU_SL_5): Ditto.
11101         (SPU_SL_6): Ditto.
11102         (SPU_SL_7): Ditto.
11103
11104         * config/spu/spu.md (v): New iterator macro to add v for vector types.
11105         (floatunssidf2_internal): Change vector/vector shift names.
11106         (floatunsdidf2_internal): Ditto.
11107         (mulv8hi3): Ditto.
11108         (ashrdi3): Ditto.
11109         (ashrti3): Ditto.
11110         (cgt_df): Ditto.
11111         (cgt_v2df): Ditto.
11112         (dftsv): Ditto.
11113         (vashl<mode>3): Rename from ashl<mode>3.
11114         (vashr<mode>3): Rename from ashr<mode>3.
11115         (vlshr<mode>3): Rename from lshr<mode>3.
11116         (vrotl<mode>3): Rename from rotl<mode>3.
11117
11118 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
11119
11120         PR target/36224
11121         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
11122         multiply gives the wrong value when doing widening multiplies.
11123         (vec_widen_smult_lo_v4si): Ditto.
11124
11125 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11126
11127         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
11128         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
11129         emit_library_call_value.
11130         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
11131         * tree.h (ECF_LIBCALL_BLOCK): Removed.
11132         * calls.c (initialize_argument_information, precompute_arguments,
11133         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
11134         (precompute_arguments): Removed flags parameter.
11135         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
11136
11137 2008-05-14  Richard Guenther  <rguenther@suse.de>
11138
11139         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
11140         Make sure to register the store if the use is a PHI_NODE.
11141
11142 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11143
11144         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
11145         memory if the component is to be referenced in BLKmode according
11146         to get_inner_reference.
11147
11148 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
11149
11150         * calls.c (emit_library_call_value_1): Restore code clearing
11151         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
11152
11153 2008-05-14  Olivier Hainque  <hainque@adacore.com>
11154             Nicolas Roche  <roche@adacore.com>
11155
11156         * configure.ac: Add support for a "gcc_subdir" variable in
11157         config-lang.in, to denote a subdirectory where the language/GCC
11158         integration files are to be found.
11159         * configure: Regenerate.
11160
11161 2008-05-14  Ira Rosen  <irar@il.ibm.com>
11162
11163         PR tree-optimization/36098
11164         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
11165         value for the first load in the group in case of a gap.
11166         (vect_build_slp_tree): Check that there are no gaps in loads.
11167
11168 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
11169
11170         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
11171         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
11172         expand_copysign_bit, ): Change call to emit_no_conflict_block to
11173         emit_insn and remove unneeded code to construct extra args.
11174         (emit_no_conflict_block): Removed.
11175         * optabls.h: (emit_no_conflict_block): Removed.
11176         * cse.c (cse_extended_basic_block): Remove search for
11177         REG_NO_CONFLICT note.
11178         * global.c: Removed incorrect comment added in revision 117.
11179         * expr.c (convert_move): Change call to emit_no_conflict_block to
11180         emit_insn.
11181         * recog.c: Change comments so that they do not mention
11182         REG_NO_CONFLICT.
11183         * local_alloc.c (combine_regs): Removed last parameter.
11184         (no_conflict_p): Removed.
11185         (block_alloc): Removed note, no_conflict_combined_regno and set
11186         local vars. Removed all code to process REG_NO_CONFLICT blocks.
11187         (combine_regs): Removed already_dead and code to look for
11188         REG_NO_CONFLICT notes.
11189         * lower_subreg (remove_retval_note): Removed code to look for
11190         REG_NO_CONFLICT block.
11191         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
11192         (resolve_clobber): Remove code to process libcalls that have
11193         REG_NO_CONFLICT notes.
11194         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
11195         case.
11196         * combine.c (can_combine_p, distribute_notes):  Removed
11197         REG_NO_CONFLICT case.
11198         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
11199         to emit_insns.
11200         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
11201         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
11202         Ditto.
11203         * reg-notes.def (NO_CONFLICT): Removed.
11204
11205 2008-05-14  David S. Miller  <davem@davemloft.net>
11206
11207         * config/sparc/sparc.c (sparc_profile_hook): If
11208         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
11209         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
11210         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11211
11212 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
11213
11214         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
11215
11216 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
11217
11218         PR target/36222
11219         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
11220         and op1 expansion before vector concat to have less live pseudos.
11221
11222 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
11223
11224         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
11225         ix86_expand_vector_set if supported.
11226
11227 2008-05-13  Diego Novillo  <dnovillo@google.com>
11228             Kenneth Zadeck  <zadeck@naturalbridge.com>
11229
11230         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
11231
11232         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
11233         phinodes_print_statistics, init_ssanames, fini_ssanames,
11234         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
11235         release_ssa_name, release_defs, replace_ssa_name_symbol,
11236         ssanames_print_statistics): Move ...
11237         * tree-flow.h: ... here.
11238         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
11239         Use FN instead of cfun.
11240         (make_ssa_name_fn): Rename from make_ssa_name.
11241         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
11242         * tree-flow-inline.h (make_ssa_name): Move from
11243         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
11244         * omp-low.c (expand_omp_parallel):
11245         * tree-flow-inline.h (redirect_edge_var_map_result):
11246         * tree-ssa.c (init_tree_ssa): Add argument FN.
11247         Use it instead of cfun.  Update all users.
11248
11249 2008-05-13  Tom Tromey  <tromey@redhat.com>
11250
11251         PR preprocessor/22168:
11252         * doc/cpp.texi (Top): Update menu.
11253         (Alternatives to Wrapper #ifndef): New node.
11254         (Other Directives): Document deprecation.
11255         (Obsolete Features): Remove menu.
11256         (Assertions): Merge node into Obsolete Features.
11257         (Obsolete once-only headers): Move earlier; rename to Alternatives
11258         to Wrapper #ifndef.
11259         * doc/cppopts.texi: Update.
11260         * c.opt (Wdeprecated): Enable for C and ObjC.
11261         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
11262         (C++ Dialect Options): Move -Wno-deprecated from here to...
11263         (Warning Options): ... here.
11264
11265 2008-05-13  Richard Guenther  <rguenther@suse.de>
11266
11267         PR middle-end/36227
11268         * fold-const.c (fold_sign_changed_comparison): Do not allow
11269         changes in pointer-ness.
11270
11271 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
11272
11273         PR target/24713
11274         * config/sh/sh.c (sh_expand_prologue): Don't clear
11275         RTX_FRAME_RELATED_P for push insns.
11276
11277 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
11278
11279         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
11280
11281 2008-05-12  Anatoly Sokolov <aesok@post.ru>
11282
11283         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
11284         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
11285         Use 'machine->is_leaf' instead of 'leaf_func_p'.
11286
11287 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
11288
11289         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
11290         (*vec_concatv4sf_sse): This.
11291         (*sse2_concatv2si): Renamed to ...
11292         (*vec_concatv2si_sse2): This.
11293         (*sse1_concatv2si): Renamed to ...
11294         (*vec_concatv2si_sse): This.
11295         (*vec_concatv2di_rex): Renamed to ...
11296         (*vec_concatv2di_rex64): This.
11297         (*vec_concatv2si_sse4_1): New.
11298         (*vec_concatv2di_rex64_sse4_1): Likewise.
11299
11300 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
11301
11302         PR rtl-optimization/36111
11303         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
11304         that was created for swappable operands.
11305
11306 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
11307
11308         PR ada/36001
11309         * Makefile.in: Substitute GNATMAKE and GNATBIND.
11310         * configure.ac: Add call to ACX_PROG_GNAT.
11311
11312 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
11313
11314         * optc-gen.awk: Fix comment typo.
11315
11316 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
11317
11318         * pretty-print.c (pp_integer_with_precision): Use
11319         HOST_LONG_LONG_FORMAT.
11320
11321 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
11322
11323         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
11324
11325 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
11326
11327         * config/i386/i386.c (bdesc_ptest): Removed.
11328         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
11329         (bdesc_args): Add __builtin_ia32_ptestz128,
11330         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
11331         (ix86_init_mmx_sse_builtins): Updated.
11332         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
11333         (ix86_expand_builtin): Updated.
11334
11335 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
11336
11337         * tree-cfg.c (valid_fixed_convert_types_p): New function.
11338         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
11339
11340 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
11341
11342         * value-prof.c (interesting_stringop_to_profile): Do not
11343         return early for BUILT_IN_MEMPCPY.
11344
11345 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
11346
11347         * calls.c (expand_call): Don't use callgraph to increase
11348         preferred_stack_boundary.
11349
11350         * cgraph.h (cgraph_rtl_info): Use unsigned on
11351         preferred_incoming_stack_boundary.
11352
11353         * final.c (rest_of_clean_state): Use unsigned on
11354         preferred_stack_boundary.
11355
11356 2008-05-09  Tom Tromey  <tromey@redhat.com>
11357
11358         PR preprocessor/22231:
11359         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
11360         proceeding.
11361
11362 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
11363
11364         PR tree-optimization/36129
11365         * tree-ssa-ccp.c: Include value-prof.h.
11366         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
11367         built-in function was folded to a constant.
11368         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
11369
11370 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
11371             Sebastian Pop  <sebastian.pop@amd.com>
11372
11373         * tree-scalar-evolution.c: Document instantiate_scev.
11374         (instantiate_parameters_1): Renamed instantiate_scev_1.
11375         Don't use the same loop for instantiation_loop and evolution_loop.
11376         (instantiate_scev): New.
11377         (instantiate_parameters): Moved...
11378         (resolve_mixers): Update call to instantiate_scev_1 to pass the
11379         same loop twice.  Maintains the semantics for this function.
11380         * tree-scalar-evolution.h (instantiate_scev): Declare.
11381         (instantiate_parameters): ...here.  Now static inline.
11382         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
11383         instead of resolve_mixers.
11384
11385 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
11386
11387         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
11388
11389 2008-05-09  Tomas Bily  <tbily@suse.cz>
11390
11391         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
11392         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
11393         * tree-ssa-structalias.c (get_constraint_for): Likewise.
11394         * c-common.c (c_common_truthvalue_conversion): Likewise.
11395         * tree-object-size.c (compute_object_offset): Likewise.
11396         * tree-inline.c (estimate_num_insns_1): Likewise.
11397         * varasm.c (const_hash_1, compare_constant, copy_constant)
11398         (compute_reloc_for_constant, output_addressed_constants)
11399         (initializer_constant_valid_p): Likewise.
11400         * c-omp.c (check_omp_for_incr_expr): Likewise.
11401         * gimplify.c (gimplify_expr): Likewise.
11402         * c-typeck.c (c_finish_return): Likewise.
11403         * tree-vectorizer.c (supportable_widening_operation)
11404         (supportable_narrowing_operation): Likewise.
11405         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
11406         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
11407         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11408         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
11409         (descr_info_loc): Likewise.
11410         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
11411         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
11412         (fold_unary): Likewise.
11413         * builtins.c (get_pointer_alignment): Likewise.
11414         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
11415         (instantiate_parameters_1): Likewise.
11416         * tree.c (expr_align, stabilize_reference): Likewise.
11417         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
11418         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
11419         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
11420         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
11421         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
11422         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
11423         Likewise.
11424         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
11425         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
11426         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
11427         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
11428         (forward_propagate_comparison)
11429         (tree_ssa_forward_propagate_single_use_vars): Likewise.
11430         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
11431         * emit-rtl.c (component_ref_for_mem_expr)
11432         (set_mem_attributes_minus_bitpos): Likewise.
11433         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
11434         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
11435         Likewise.
11436         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
11437         (build_function_call, pointer_diff, build_compound_expr)
11438         (c_finish_return): Likewise.
11439         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
11440         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
11441         Likewise.
11442         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
11443         * expr.c (is_aligning_offset): Likewise.
11444         * tree-ssa-alias.c (is_escape_site): Likewise.
11445         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
11446         (check_all_va_list_escapes): Likewise.
11447         * tree-ssa-loop-ivopts.c (determine_base_object)
11448         (determine_common_wider_type): Likewise.
11449         * dojump.c (do_jump): Likewise.
11450         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
11451         * tree-gimple.c (is_gimple_cast): Likewise.
11452         * fold-const.c (decode_field_reference, )
11453         (fold_sign_changed_comparison, fold_unary, fold_comparison)
11454         (fold_binary): Likewise.
11455         * tree-ssa-alias-warnings.c (find_alias_site_helper)
11456         (already_warned_in_frontend_p): Likewise.
11457         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
11458         * tree.c (really_constant_p, get_unwidened): Likewise.
11459         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
11460         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
11461         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
11462         Likewise.
11463         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
11464         CONVERT_EXPR_P.
11465         (CONVERT_EXPR_P): Define.
11466         (CASE_CONVERT): Define.
11467
11468 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
11469
11470         PR middle-end/36117
11471         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
11472         (delete_unmarked_insns): When deleting a call, call
11473         delete_unreachable_blocks.
11474         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11475         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
11476
11477 2008-05-08  Richard Guenther  <rguenther@suse.de>
11478
11479         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
11480         (-ftree-salias): Likewise.
11481         (salias-max-implicit-fields): Remove param documentation.
11482         (salias-max-array-elements): Likewise.
11483         * tree-pass.h (pass_create_structure_vars): Remove.
11484         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11485         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11486         * tree-ssa-alias.c (create_structure_vars): Remove.
11487         (gate_structure_vars): Likewise.
11488         (pass_create_structure_vars): Likewise.
11489         (gate_build_alias): Likewise.
11490         (pass_build_alias): Adjust to run always and dump the function.
11491         * common.opt (ftree-salias): Hide.
11492         * passes.c (init_optimization_passes): Remove
11493         pass_create_structure_vars, adjust comment.
11494         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
11495         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
11496         * opts.c (decode_options): Do not set flag_tree_salias.
11497         (common_handle_option): Add OPT_ftree_salias to the backward
11498         compatibility section.
11499
11500 2008-05-08  Richard Guenther  <rguenther@suse.de>
11501
11502         * tree-flow-inline.h (var_can_have_subvars): Move ...
11503         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
11504         * tree-flow.h (var_can_have_subvars): Remove.
11505         (push_fields_onto_fieldstack): Remove.
11506         (sort_fieldstack): Likewise.
11507         (struct fieldoff): Move ...
11508         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
11509         alias_set and base_for_components fields.
11510         (sort_fieldstack): Make static.
11511         (push_fields_onto_fieldstack): Likewise.  Remove code that
11512         handles anything but RECORD_TYPEs.  Remove alias_set and
11513         base_for_components handling.
11514         (create_variable_info_for): Adjust.
11515
11516 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
11517
11518         * common.opt (Wframe-larger-than=): Shorten the help message
11519         to one line.
11520         * doc/invoke.texi (Wframe-larger-than=): Add more description.
11521
11522 2008-05-08  Rafael Espindola  <espindola@google.com>
11523
11524         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
11525         trap.
11526         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
11527         trap and that both operands are gimple values.
11528         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
11529         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
11530         is a fp operation.
11531
11532 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11533
11534         * read-rtl.c (join_c_conditions): Return the first string if the
11535         two strings are equal.
11536
11537 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
11538
11539         * gensupport.h (pred_data): Add a "num_codes" field.
11540         (add_predicate_code): Declare.
11541         * gensupport.c (add_predicate_code): New function.
11542         (std_pred_table): Add an "allows_const_p" field.
11543         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
11544         Remove the (incomplete) list of such codes from the codes field.
11545         (init_predicate_table): Use add_predicate_code.  Add all
11546         RTX_CONST_OBJs if allows_const_p is true.
11547         * genrecog.c (process_define_predicate): Use add_predicate_code.
11548
11549 2008-05-08  David Daney  <ddaney@avtrex.com>
11550             Richard Sandiford  <rsandifo@nildram.co.uk>
11551
11552         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
11553         special case of constant zero operands.
11554         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
11555         old and new values.  Special case constant zero values.
11556         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
11557         fails.
11558         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
11559         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
11560
11561 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
11562
11563         PR target/36090
11564         * simplify-rtx.c (simplify_plus_minus): Create CONST of
11565         similar RTX_CONST_OBJ before CONST_INT.
11566
11567 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
11568
11569         * stmt.c (expand_stack_restore): Change sa mode if needed.
11570
11571 2008-05-08  Richard Guenther  <rguenther@suse.de>
11572
11573         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
11574         return type to bool.
11575         (ix86_sol10_return_in_memory): Likewise.
11576         (ix86_i386elf_return_in_memory): Likewise.
11577         (ix86_i386interix_return_in_memory): Likewise.
11578         * config/i386/i386.c (ix86_return_in_memory): Likewise.
11579         (ix86_sol10_return_in_memory): Likewise.
11580         (ix86_i386elf_return_in_memory): Likewise.
11581         (ix86_i386interix_return_in_memory): Likewise.
11582
11583 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11584
11585         PR bootstrap/36180
11586         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
11587         fndecl argument.
11588         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
11589         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
11590         declared in front.
11591
11592 2008-05-08  Richard Guenther  <rguenther@suse.de>
11593
11594         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
11595         * tree-data-ref.h (struct dr_alias): Remove subvars field.
11596         (DR_SUBVARS): Remove.
11597         * tree-dfa.c (dump_subvars_for): Remove.
11598         (debug_subvars_for): Likewise.
11599         (dump_variable): Do not dump subvars.
11600         (remove_referenced_var): Do not remove subvars.
11601         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
11602         (lookup_subvars_for_var): Remove.
11603         (get_subvars_for_var): Likewise.
11604         (get_subvars_at): Likewise.
11605         (get_first_overlapping_subvar): Likewise.
11606         (overlap_subvar): Likewise.
11607         * tree-flow.h (subvar_t): Remove.
11608         (struct var_ann_d): Remove subvars field.
11609         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
11610         argument.  Remove special handling of SFTs.
11611         (compute_tag_properties): Likewise.
11612         (set_initial_properties): Likewise.
11613         (compute_call_clobbered): Likewise.
11614         (count_mem_refs): Likewise.
11615         (compute_memory_partitions): Likewise.
11616         (compute_flow_insensitive_aliasing): Likewise.
11617         (setup_pointers_and_addressables): Likewise.
11618         (new_type_alias): Likewise.
11619         (struct used_part): Remove.
11620         (used_portions): Likewise.
11621         (struct used_part_map): Likewise.
11622         (used_part_map_eq): Likewise.
11623         (used_part_map_hash): Likewise.
11624         (free_used_part_map): Likewise.
11625         (up_lookup): Likewise.
11626         (up_insert): Likewise.
11627         (get_or_create_used_part_for): Likewise.
11628         (create_sft): Likewise.
11629         (create_overlap_variables_for): Likewise.
11630         (find_used_portions): Likewise.
11631         (create_structure_vars): Likewise.
11632         * tree.def (STRUCT_FIELD_TAG): Remove.
11633         * tree.h (MTAG_P): Adjust.
11634         (struct tree_memory_tag): Remove base_for_components and
11635         unpartitionable flags.
11636         (struct tree_struct_field_tag): Remove.
11637         (SFT_PARENT_VAR): Likewise.
11638         (SFT_OFFSET): Likewise.
11639         (SFT_SIZE): Likewise.
11640         (SFT_NONADDRESSABLE_P): Likewise.
11641         (SFT_ALIAS_SET): Likewise.
11642         (SFT_UNPARTITIONABLE_P): Likewise.
11643         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
11644         (union tree_node): Remove sft field.
11645         * alias.c (get_alias_set): Remove special handling of SFTs.
11646         * print-tree.c (print_node): Remove handling of SFTs.
11647         * tree-dump.c (dequeue_and_dump): Likewise.
11648         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
11649         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
11650         * tree-predcom.c (set_alias_info): Do not set subvars.
11651         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
11652         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
11653         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
11654         (add_vars_for_offset): Remove.
11655         (add_virtual_operand): Remove special handling of SFTs.
11656         (add_call_clobber_ops): Likewise.
11657         (add_call_read_ops): Likewise.
11658         (get_asm_expr_operands): Likewise.
11659         (get_modify_stmt_operands): Likewise.
11660         (get_expr_operands): Likewise.
11661         (add_to_addressable_set): Likewise.
11662         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
11663         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
11664         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
11665         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
11666         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
11667         (tree_node_structure): Likewise.
11668         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
11669         handling of SFTs.
11670         (find_what_p_points_to): Likewise.
11671
11672 2008-05-08  Sa Liu  <saliu@de.ibm.com>
11673
11674         * config/spu/spu.md: Fixed subti3 pattern.
11675
11676 2008-05-08  Richard Guenther  <rguenther@suse.de>
11677
11678         PR middle-end/36154
11679         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
11680         sure to create a representative for trailing arrays for PTA.
11681
11682 2008-05-08  Richard Guenther  <rguenther@suse.de>
11683
11684         PR middle-end/36172
11685         * fold-const.c (operand_equal_p): Two objects which types
11686         differ in pointerness are not equal.
11687
11688 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
11689
11690         * calls.c (compute_argument_block_size): Add argument tree fndecl.
11691         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
11692         (emit_library_call_value_1): Add new variable fndecl initialized by
11693         NULL_TREE. It should be the decl type of orgfun, but this information
11694         seems not to be available here, so it uses the default calling abi.
11695         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
11696         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
11697         by TARGET_RETURN_IN_MEMORY.
11698         * config/i386/i386-interix.h: Likewise.
11699         * config/i386/i386.h: Likewise.
11700         * config/i386/i386elf.h: Likewise.
11701         * config/i386/ptx4-i.h: Likewise.
11702         * config/i386/sol2-10.h: Likewise.
11703         * config/i386/sysv4.h: Likewise.
11704         * config/i386/vx-common.h: Likewise.
11705         * config/cris/cris.h: Removed #if 0 clause.
11706         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
11707         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
11708         argument.
11709         (ix86_sol10_return_in_memory): Likewise.
11710         (ix86_i386elf_return_in_memory): New.
11711         (ix86_i386interix_return_in_memory): New.
11712         * config/mt/mt-protos.h (mt_return_in_memory): New.
11713         * config/mt/mt.c: Likewise.
11714         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11715         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
11716         * config/bfin/bfin.h: Likewise.
11717         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
11718         argument.
11719         * config/bfin/bfin.c: Likewise.
11720         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
11721         * config/alpha/unicosmk.h: Likewise.
11722         * config/i386/cygming.h: Likewise.
11723         * config/iq2000/iq2000.h: Likewise.
11724         * config/mips/mips.h: Likewise.
11725         * config/mn10300/mn10300.h: Likewise.
11726         * config/rs6000/rs6000.h: Likewise.
11727         * config/score/score.h: Likewise.
11728         * config/spu/spu.h: Likewise.
11729         * config/v850/v850.h: Likewise.
11730         * defaults.h: Likewise.
11731         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
11732         * expr.c (emit_block_move): Adjust use of
11733         OUTGOING_REG_PARM_STACK_SPACE.
11734         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
11735         OUTGOING_REG_PARM_STACK_SPACE.
11736         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
11737
11738 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
11739
11740         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
11741         on OMP_RETURN for OMP_FOR.
11742
11743         PR debug/35896
11744         * dwarf2out.c (dw_expand_expr, common_check): Removed.
11745         (fortran_common): New function.
11746         (gen_variable_die): Call fortran_common instead of common_check,
11747         adjust for it returning tree instead of rtx.  Formatting.
11748
11749 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
11750
11751         PR rtl/7335
11752         PR rtl/33826
11753         * see.c (see_copy_insn): Copy new pure const attributes for new call.
11754         * c-decl.c (merge_decls): Ditto.
11755         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
11756         to RTL_CONST_OR_PURE_CALL_P.
11757         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
11758         Initialized DECL_LOOPING_CONST_PURE.
11759         (process_call_operands): Set tree_side_effects properly.
11760         * tree.h (TREE_READONLY_DECL_P): Removed.
11761         (DECL_IS_PURE): Renamed to DECL_PURE_P.
11762         (DECL_LOOPING_OR_CONST_P): New macro.
11763         (struct tree_function_decl): Added looping_const_or_pure_p.
11764         (ECF_*) Renumbered.
11765         (ECF_LOOPING_OR_CONST_P): New macro.
11766         * rtlanal.c (pure_const_p): Removed.
11767         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
11768         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
11769         to RTL_CONST_CALL_P.
11770         * ipa-pure-const.c (pure_const_state_e): Added looping field.
11771         (check_decl, check_tree, check_call, scan_function): Initialize
11772         looping.
11773         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
11774         (static_execute): Set looping true for recursive functions.
11775         Undo setting state to IPA_NEITHER for recursive functions.
11776         * cse.c (cse_insn):
11777         * ifcvt.c (noce_can_store_speculate_p): Changed
11778         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
11779         RTL_CONST_OR_PURE_CALL_P.
11780         * dse.c (scan_insn): Ditto.
11781         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
11782         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
11783         RTL_CONST_OR_PURE_CALL_P.
11784         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
11785         pure_call_p to RTL_CONST_CALL_P.
11786         * gimplify.c (gimplify_call_expr): Clear side effects for
11787         non-looping pure and constant calls.
11788         * calls.c (emit_call_1): Set rtl flags from ecf flags.
11789         (flags_from_decl_or_type): Set ecf flags from decl flags.
11790         (initialize_argument_information): Turn off
11791         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
11792         Change const to pure if callee_copies is true rather than just
11793         turning off const.
11794         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
11795         way of marking pure calls.
11796         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
11797         Remove hack that was supposed to fix pr7335 and remove old
11798         way of marking pure calls.
11799         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
11800         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
11801         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
11802         RTL_CONST_OR_PURE_CALL_P.
11803         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
11804         * loop-invariant.c (find_exits, find_invariant_bb): Changed
11805         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
11806         * sched-deps.c (schedule_analyze): Ditto.
11807         * rtl.h (struct rtx_def): Use call field, unchanging field, and
11808         return_val field of calls to represent pure and const function info.
11809         (CONST_OR_PURE_CALL_P): Deleted macro.
11810         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
11811         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
11812         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
11813         TREE_READONLY.
11814         * tree-optimize.c (execute_fixup_cfg): Added test for
11815         ECF_LOOPING_CONST_OR_PURE.
11816         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
11817         DECL_PURE_P.
11818         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
11819         effects for looping pure or const calls.
11820         (verify_gimple_expr): Added verification code.
11821         * config/alpha/alpha.c (alpha_legitimize_address,
11822         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
11823         RTL_CONST_CALL_P.
11824         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
11825         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
11826         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
11827         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
11828         RTL_CONST_OR_PURE_CALL_P.
11829         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
11830         and const calls to be deleted.
11831
11832 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
11833
11834         PR target/35714
11835         * config/i386/mmx.md (mmx_subv2sf3): New expander.
11836         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
11837         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
11838         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
11839         to handle nonimmediate operands.
11840         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
11841         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
11842         to handle nonimmediate operands.
11843         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
11844         (mmx_pmulhrwv4hi3): New expander.  Use
11845         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11846         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
11847         (sse2_umulv1siv1di3): New expander.  Use
11848         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11849         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
11850         (mmx_eq<mode>3): New expander.  Use
11851         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11852         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
11853         (mmx_uavgv8qi3): New expander.  Use
11854         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11855         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
11856         (mmx_uavgv4hi3): New expander.  Use
11857         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11858
11859         * config/i386/sse.md
11860         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
11861         to handle nonimmediate operands.
11862         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
11863         to handle nonimmediate operands.
11864         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
11865         to handle nonimmediate operands.
11866         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
11867         to handle nonimmediate operands.
11868         (sse2_unpckhpd_exp): New expander.  Use
11869         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11870         (sse2_unpcklpd_exp): New expander.  Use
11871         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11872         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
11873         to handle nonimmediate operands.
11874         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
11875         to handle nonimmediate operands.
11876         (*sse2_<plusminus_insn><mode>3): Rename from
11877         sse2_<plusminus_insn><mode>3 insn pattern.
11878         (sse2_<plusminus_insn><mode>3): New expander.  Use
11879         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11880         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
11881         (sse2_umulv2siv2di3): New expander.  Use
11882         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11883         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
11884         (sse4_1_mulv2siv2di3): New expander.  Use
11885         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11886         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
11887         (sse2_pmaddwd): New expander.  Use
11888         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11889         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
11890         (sse2_eq<mode>3): New expander.  Use
11891         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11892         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
11893         (sse4_1_eqv2di3): New expander.  Use
11894         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11895         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11896         (sse2_uavgv16qi3): New expander.  Use
11897         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11898         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
11899         (sse2_uavgv16qi3): New expander.  Use
11900         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11901         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
11902         (sse2_uavgv8hi3): New expander.  Use
11903         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11904         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
11905         (ssse3_pmulhrswv8hi3): New expander.  Use
11906         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11907         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
11908         (ssse3_pmulhrswv4hi3): New expander.  Use
11909         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
11910
11911         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
11912         (<sse>_vmmul<mode>3): Ditto.
11913         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
11914         (divv2df3): Ditto.
11915         (ssse3_pmaddubsw128): Use register_operand for operand 1.
11916         (ssse3_pmaddubsw): Ditto.
11917
11918         * config/i386/i386.c (struct_builtin_description)
11919         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
11920         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
11921         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
11922         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
11923         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
11924         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
11925         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
11926         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
11927         (ix86_fixup_binary_operands): Assert that src1
11928         and src2 must have the same mode when swapped.
11929         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
11930         and ix86_binary_operator_ok.  Do not force operands in registers
11931         when optimizing.
11932
11933 2008-05-07  Jan Hubicka  <jh@suse.cz>
11934
11935         * cgraph.c (dump_cgraph_node): Update.
11936         * cgraph.h (cgraph_local_info): Break out inline summary.
11937         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
11938         hook.
11939         * ipa-inline (inline_summary): New accestor function.
11940         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
11941         cgraph_decide_inlining, compute_inline_parameters): Update.
11942         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
11943
11944 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
11945
11946         Cleanup ColdFire scheduling support and add V4 pipeline model.
11947
11948         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
11949         (define_attr cpu): Add cfv4 value.
11950         (define_attr type, define_attr type1): Merge into a single 'type'
11951         attribute.  Update all uses.
11952         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
11953         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
11954         Update all uses.
11955         (define_attr opx_mem, define_attr opy_mem): Remove.
11956         (define_attr op_mem): Clean up, update comment.
11957         (define_attr size): Use specific values instead of general int.
11958         (define_attr guess, define_attr split): Remove.  Update all uses.
11959         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
11960         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
11961         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
11962         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
11963         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
11964         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
11965         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
11966         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
11967         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
11968         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
11969         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
11970         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
11971         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
11972         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
11973         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
11974         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
11975         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
11976         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
11977         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
11978         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
11979         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
11980         Update or set attributes.
11981         (stack_tie): New fake instruction.
11982
11983         * config/m68k/m68k.h (TUNE_CFV4): New macro.
11984         (m68k_sched_attr_size): Update declaration.
11985         (m68k_sched_attr_type2): Remove.
11986         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
11987         Declare new bypass predicates.
11988
11989         * config/m68k/m68k.c (m68k_sched_issue_rate,
11990         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
11991         implementations.
11992         (TARGET_SCHED_ISSUE_RATE,
11993         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
11994         (override_options): Handle scheduling for ColdFire V4 core.
11995         (m68k_expand_prologue): Emit stack_tie.
11996         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
11997         'OP_TYPE_FPN'.  Update all uses.
11998         (sched_guess_p): Remove.
11999         (sched_address_type): Handle symbolic addresses.
12000         (sched_get_operand): New static function.
12001         (sched_operand_type): Merge into sched_attr_op_type.
12002         (sched_attr_op_type): Handle FP registers, handle quick constants,
12003         update.
12004         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
12005         (m68k_sched_attr_size): Update.  Move logic to ...
12006         (sched_get_attr_size_int): New static function.
12007         (sched_get_opxy_mem_type): New static function.
12008         (m68k_sched_attr_op_mem): Update.
12009         (m68k_sched_attr_type2): Remove.
12010         (sched_cfv4_bypass_data): New static variable.
12011         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
12012         (m68k_sched_issue_rate): Implement scheduler hook.
12013         (struct _sched_ib: enabled_p): New field.
12014         (m68k_sched_variable_issue): Update.  Handle V4.
12015         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
12016         sched_dump_class_func_t, sched_dump_split_class,
12017         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
12018         sched_dump_dfa_class, m68k_sched_dump): Remove.
12019         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
12020         hook.
12021         (m68k_sched_init_global): Remove statisctics dumping, introduce
12022         sanity check that all instructions have pipeline reservations.  Handle
12023         ColdFire V4 core.
12024         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
12025         Handle ColdFire V4 core.
12026         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
12027         New static functions.
12028         (m68k_sched_address_bypass_p): New bypass predicate.
12029         (sched_get_indexed_address_scale): New static function.
12030         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
12031
12032         * cf.md: Update comments.
12033         (define_attr type2): Remove.  Use 'type' attribute instead.
12034         Update all uses.
12035         (cf_ib): Rename to cfv123_ib.  Update all uses.
12036         (cf_oep): Rename to cfv123_oep.  Update all uses.
12037         (cf_chr): Rename to cfv123_chr.  Update all uses.
12038         (cf_mem): Rename to cfv123_mem.  Update all uses.
12039         (cf_mac): Move to more appropriate place.
12040         (cfv123_guess): New automaton and cpu_unit.
12041         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
12042         Update uses of 'size' attribute.  Handle before reload scheduling.
12043         (cfv123_guess): New dummy reservation for unhandled instructions.
12044         (cfv4_*): Pipeline description of ColdFire V4 core.
12045         (ignore): New reservation to handle 'ignore' type.
12046
12047 2008-05-07  Ian Lance Taylor  <iant@google.com>
12048
12049         PR middle-end/36013
12050         * gimplify.c (find_single_pointer_decl_1): Don't look through
12051         indirections.
12052         (find_single_pointer_decl): Adjust comments.
12053
12054 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
12055
12056         PR middle-end/36137
12057         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
12058         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
12059
12060         PR middle-end/36106
12061         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
12062         integral type rather than floating point, then VIEW_CONVERT_EXPR
12063         to the floating point type.
12064
12065 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
12066
12067         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
12068         TFmode op0 to register.
12069
12070 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
12071
12072         * c-decl.c (grokdeclarator): Comment typo.
12073
12074 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
12075
12076         * tree-flow.h: Remove prototype for computed_goto_p.
12077         * tree-cfg.c (computed_goto_p): Make static.
12078
12079 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
12080
12081         PR target/35657
12082         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
12083         (contains_aligned_value_p): This.  Handle _Decimal128.
12084         (ix86_function_arg_boundary): Only align _Decimal128 to its
12085         natural boundary and handle it properly.
12086
12087 2008-05-06  Martin Jambor  <mjambor@suse.cz>
12088
12089         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
12090         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
12091         (ipcp_method_set_orig_node): Removed.
12092         (ipcp_cval_get_cvalue_type): Removed.
12093         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
12094         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
12095         (ipcp_cval_set_cvalue_type): Removed.
12096         (ipcp_cval_get_cvalue): Removed.
12097         (ipcp_cval_set_cvalue): Removed.
12098         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
12099         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
12100         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
12101         (ipcp_cval_meet): Renamed to ipa_lattice_meet
12102         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
12103         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
12104         (ipcp_get_ith_lattice): Changed parameters.
12105         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
12106         (ipcp_lattice_from_jfunc): Changed parameters.
12107         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
12108         (ipcp_method_cval_print): Added temporary variable info.
12109         (ipcp_redirect): Removed already unused local variable caller.
12110         (ipcp_redirect): New temporary variable orig_callee_info
12111         (ipcp_redirect): Removed newly unused local variable callee.
12112         (ipcp_redirect): Removed (a bit confusing) local variable type.
12113         (ipcp_insert_stage): Added local variable info.
12114         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
12115         renamed too
12116         (ipcp_formal_create): Removed.
12117         (ipcp_method_cval_set): Removed.
12118         (ipcp_propagate_stage): Renamed lattice variables.
12119         (ipcp_method_cval_set_cvalue_type): Removed.
12120         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
12121         (ipcp_print_all_lattices): Changed printed strings to refer to
12122         lattices rather than cvals.
12123         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
12124         (ipcp_propagate_const): Changed formal parameters.
12125         (build_const_val): Changed formal parameters.
12126         (ipcp_insert_stage): Removed useless variable cvalue
12127         (build_const_val): Changed formal parameters.
12128         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
12129         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
12130         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
12131         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
12132         (ipcp_print_func_profile_counts): Changed string from "method" to
12133         "function"
12134         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
12135         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
12136         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
12137         (ipcp_structures_print): Renamed to ipcp_print_all_structures
12138         (ipcp_profile_print): Renamed to ipcp_print_profile_data
12139         (ipcp_lat_is_const): Changed parameters and made inline.
12140         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
12141         (ipcp_redirect): Renamed to ipcp_need_redirect_p
12142         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
12143         the predicate condition directly
12144         (ipcp_propagate_stage): Added local variable args. Removed local
12145         variable callee.  (Both are mere code simplifications.)
12146         (ipcp_method_dont_insert_const): Renamed to
12147         ipcp_node_not_modifiable_p.
12148         (ipcp_node_not_modifiable_p): Made inline.
12149         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
12150         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
12151         (ipcp_print_all_lattices): Removed variable cvalue
12152         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
12153         Updated comments.
12154
12155 2008-05-06  Olivier Hainque  <hainque@adacore.com>
12156
12157         * tree-sra.c (try_instantiate_multiple_fields): Early return
12158         if field has POINTER_TYPE.
12159
12160 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
12161
12162         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
12163         by using 'q' specifier for instruction.
12164         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
12165
12166 2008-05-06  Anatoly Sokolov <aesok@post.ru>
12167
12168         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12169         Change mode of zero_extract from QImode to HImode.
12170         (sign bit tests peepholes): (Ditto.).
12171
12172 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
12173
12174         * config/i386/mmx.md: Remove double backslashes from asm templates.
12175         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
12176         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12177         to handle nonimmediate operands.
12178         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
12179         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
12180         to handle nonimmediate operands.
12181         (*mmx_<code>v2sf3_finite): New insn pattern.
12182         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
12183         (mmx_<code>v2sf3): New expander.  Use
12184         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12185         (mmx_<plusminus_insn><mode>3): New expander.  Use
12186         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12187         (*mmx_<plusminus_insn><mode>3): New insn pattern.
12188         (mmx_add<mode>3): Removed.
12189         (mmx_ssadd<mode>3): Ditto.
12190         (mmx_usadd<mode>3): Ditto.
12191         (mmx_sub<mode>3): Ditto.
12192         (mmx_sssub<mode>3): Ditto.
12193         (mmx_ussub<mode>3): Ditto.
12194         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
12195         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
12196         to handle nonimmediate operands.
12197         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
12198         insn pattern.
12199         (mmx_smulv4hi3_highpart): New expander.  Use
12200         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12201         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
12202         insn pattern.
12203         (mmx_umulv4hi3_highpart): New expander.  Use
12204         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12205         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
12206         (mmx_<code>v4hi3): New expander.  Use
12207         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12208         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
12209         (mmx_<code>v8qi3): New expander.  Use
12210         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12211         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
12212         (mmx_<code><mode>3): New expander.  Use
12213         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
12214
12215 2008-05-05  Jan Hubicka  <jh@suse.cz>
12216
12217         PR tree-optimization/36118
12218         * passes.c (pass_init_dump_file): Fix dump header.
12219
12220 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
12221
12222         PR middle-end/36141
12223         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
12224         VCE for function decls.
12225
12226 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12227
12228         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
12229
12230 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
12231
12232         * config/i386/i386.md (sat_plusminus): New.
12233         (plusminus_insn): Likewise.
12234         (plusminus_mnemonic): Likewise.
12235         (addsub): Removed.
12236         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
12237         (*<addsub><mode>3_cc_overflow): Renamed to ...
12238         (*<plusminus_insn><mode>3_cc_overflow): This.
12239         (*<addsub>si3_zext_cc_overflow): Renamed to ...
12240         (*<plusminus_insn>si3_zext_cc_overflow): This.
12241
12242         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
12243         (<plusminus_insn><mode>3): This.
12244         (*<addsub><mode>3): Renamed to ...
12245         (*<plusminus_insn><mode>3): This.
12246         (<sse>_vm<addsub><mode>3): Renamed to ...
12247         (<sse>_vm<plusminus_insn><mode>3): This.
12248         (sse3_h<addsub>v4sf3): Renamed to ...
12249         (sse3_h<plusminus_insn>v4sf3): This.
12250         (sse3_h<addsub>v2df3): Renamed to ...
12251         (sse3_h<plusminus_insn>v2df3): This.
12252         (<plusminus_insn><mode>3): New.
12253         (*<plusminus_insn><mode>3): Likewise.
12254         (sse2_<plusminus_insn><mode>3): Likewise.
12255         (add<mode>): Removed.
12256         (*add<mode>3): Likewise.
12257         (sse2_ssadd<mode>3): Likewise.
12258         (sse2_usadd<mode>3): Likewise.
12259         (sub<mode>3): Likewise.
12260         (*sub<mode>3): Likewise.
12261         (sse2_sssub<mode>3): Likewise.
12262         (sse2_ussub<mode>3): Likewise.
12263
12264 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
12265
12266         * gthr-single.h: Add in required interface elements as per gthr.h.
12267         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
12268         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
12269         Generalize UNUSED macro.
12270         (__gthread_once): Add.
12271         (__gthread_key_create): Add.
12272         (__gthread_key_delete): Add.
12273         (__gthread_getspecific): Add.
12274         (__gthread_setspecific): Add.
12275
12276 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
12277
12278         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
12279         the same size types for the indirect reference on the rhs, then
12280         create a VCE.
12281
12282 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
12283
12284         * config/i386/i386.md
12285         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
12286         one insn template instead of template series.
12287         (*xordi_1_rex64): Ditto.
12288         (*xordi_2_rex64): Ditto.
12289
12290 2008-05-05  Ira Rosen  <irar@il.ibm.com>
12291
12292         PR tree-optimization/36119
12293         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
12294         in case of SLP.
12295
12296 2008-06-04  Jan Hubicka  <jh@suse.cz>
12297
12298         tree-optimization/36100
12299         * tree-pass.h (pass_O0_always_inline): Declare.
12300         * ipa-inline.c (inline_transform): Remove dead code.
12301         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
12302         pass_O0_always_inline): New.
12303         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
12304
12305 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
12306
12307         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
12308         mnemonic in this_param move for TARGET_64BIT.
12309
12310 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
12311
12312         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
12313         (*strmovsi_rex_1): Ditto.
12314         (*strsetsi_1): Ditto.
12315         (*strsetsi_rex_1): Ditto.
12316
12317         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
12318         adddicc expanders using SWI mode iterator.
12319
12320 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
12321
12322         PR target/36121
12323         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
12324         argument handling.
12325
12326 2008-05-04  David S. Miller  <davem@davemloft.net>
12327
12328         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
12329         (sparc*-*-linux*): Use linux.h in tm_file.
12330         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
12331         compiler defaulting to 32-bit.
12332         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
12333         no longer needed.
12334         * config/sparc/linux.h: Remove definitions now obtained
12335         properly from linux.h
12336         * config/sparc/linux64.h: Likewise.
12337         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
12338         don't want this setting for 32-bit builds in a biarch compiler.
12339         * doc/install.texi: Add sparc-linux to list of targets
12340         supporting --enable-targets=all.
12341
12342 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
12343
12344         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
12345
12346 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
12347
12348         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
12349         after V4SI_FTYPE_V8HI.
12350         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
12351         case V4SI_FTYPE_V2DF.
12352
12353 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
12354
12355         * doc/invoke.texi (max-flow-memory-locations): Removed.
12356         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
12357
12358 2008-05-03  Richard Guenther  <rguenther@suse.de>
12359
12360         PR middle-end/34973
12361         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
12362
12363 2008-05-02  David S. Miller  <davem@davemloft.net>
12364
12365         * config.gcc (need_64bit_hwint): Document libcpp dependency.
12366
12367 2008-05-02  Simon Baldwin <simonb@google.com>
12368
12369         PR bootstrap/36108
12370         * c-common.h (warn_array_subscript_range): Removed.
12371         * c-common.c (warn_array_subscript_range): Ditto.
12372         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
12373         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
12374
12375 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12376
12377         * config/i386/i386.c (ix86_special_builtin_type): New.
12378         (bdesc_special_args): Likewise.
12379         (ix86_expand_special_args_builtin): Likewise.
12380         (ix86_init_mmx_sse_builtins): Updated.
12381         (ix86_expand_builtin): Updated.
12382         (ix86_expand_store_builtin): Removed.
12383         (ix86_expand_unop_builtin): Likewise.
12384
12385         * config/i386/mm3dnow.h (__v2sf): Moved to ...
12386         * config/i386/mmintrin.h (__v2sf): Here.
12387
12388         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
12389         const __v2sf.
12390         (_mm_loadl_pi): Likewise.
12391         (_mm_storeh_pi): Replace __v2si with __v2sf.
12392         (_mm_storel_pi): Likewise.
12393
12394         * doc/extend.texi: Correct __builtin_ia32_loadhps,
12395         __builtin_ia32_loadlps, __builtin_ia32_storehps,
12396         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
12397         __builtin_ia32_loadlpd.
12398
12399 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
12400
12401         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
12402         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
12403         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
12404         (ix86_init_mmx_sse_builtins): Updated.
12405         (ix86_expand_args_builtin): Likewise.
12406         (ix86_expand_builtin): Likewise.
12407         (ix86_expand_unop1_builtin): Renamed to ...
12408         (ix86_expand_unop_vec_merge_builtin): This.
12409
12410 2008-05-01  Jan Hubicka  <jh@suse.cz>
12411
12412         PR bootstrap/36100
12413         * ipa-inline.c (inline_generate_summary): Make static.
12414         (inline_transform): Do not call inlining at -O0; make static.
12415         * passes.c (execute_todo): Add sanity check.
12416         (execute_one_ipa_transform_pass): Execute proper flags.
12417
12418 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
12419
12420         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
12421         (DECL_NONADDRESSABLE_P): Likewise.
12422         * alias.c (record_component_aliases): Fix comment.
12423
12424 2008-05-01  Simon Baldwin <simonb@google.com>
12425
12426         * c-common.h (warn_array_subscript_range): New function.
12427         * c-common.c (warn_array_subscript_range): Ditto.
12428         * tree-vrp.c (check_array_ref): Corrected code to agree with
12429         comment, ignoring only arrays of size 0 or size 1.
12430         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
12431
12432 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12433
12434         * config/i386/i386.c (ix86_builtin_type): Replace
12435         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
12436         (bdesc_args): Updated.
12437         (ix86_init_mmx_sse_builtins): Likewise.
12438         (ix86_expand_args_builtin): Likewise.
12439
12440         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
12441         with __v1di.
12442
12443         * doc/extend.texi: Correct __builtin_ia32_palignr.
12444
12445 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12446
12447         PR target/36095
12448         * config/i386/i386.c (bdesc_crc32): Removed.
12449         (ix86_expand_crc32): Likewise.
12450         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
12451         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
12452         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
12453         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
12454         UINT_FTYPE_UINT_UCHAR.
12455         (bdesc_args): Updated. Add crc32 builtins.
12456         (ix86_init_mmx_sse_builtins): Updated.
12457         (ix86_expand_args_builtin): Updated to support subreg.
12458
12459         * doc/extend.texi: Correct __builtin_ia32_crc32di.
12460
12461 2008-05-01  Jan Hubicka  <jh@suse.cz>
12462
12463         * tree-pass.h (opt_pass): Add IPA_PASS.
12464         (varpool_node, cgraph_node): Forward declare.
12465         (ipa_opt_pass): Define.
12466         (pass_ipa_inline): Turn into ipa_opt_pass.
12467         (pass_apply_inline): Remove.
12468         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
12469         (apply_inline): Turn into ....
12470         (inline_transform): ... this one.
12471         (inline_generate_summary): New function.
12472         (pass_apply_inline): Remove.
12473         * function.h (ipa_opt_pass): Forward declare structure; typedef;
12474         vector.
12475         (struct function): Add ipa_transforms_to_apply.
12476         * passes.c (register_one_dump_file): Work on IPA_PASS.
12477         (init_optimization_passes): Remove pass_inline_parameters and
12478         pass_apply_inline.
12479         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
12480         (execute_one_pass) ... here; apply transforms when possible.
12481         (add_ipa_transform_pass, execute_ipa_summary_asses,
12482         execute_one_ipa_transform_pass): New.
12483         (execute_ipa_pass_list): Update for IPA_PASS type.
12484
12485 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12486
12487         * config/i386/i386.c (ix86_builtin_type): Add
12488         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
12489         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
12490         (bdesc_args): Add SSE4a builtins.
12491         (ix86_init_mmx_sse_builtins): Updated.
12492         (ix86_expand_args_builtin): Likewise.
12493         (ix86_expand_builtin): Likewise.
12494
12495 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
12496
12497         * config/i386/i386.c (ix86_builtin_type): Add
12498         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
12499         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
12500         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
12501         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
12502         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
12503         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
12504         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
12505         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
12506         and DI_FTYPE_DI_DI_INT.
12507         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
12508         (ix86_init_mmx_sse_builtins): Updated.
12509         (ix86_expand_args_builtin): Likewise.
12510         (ix86_expand_builtin): Likewise.
12511         (ix86_expand_binop_imm_builtin): Removed.
12512
12513         * doc/extend.texi: Correct __builtin_ia32_palignr128.
12514
12515 2008-04-30  Richard Guenther  <rguenther@suse.de>
12516
12517         PR tree-optimization/32921
12518         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
12519
12520 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
12521
12522         * config/arm/arm.c (arm_unwind_emit): Use
12523         crtl->all_throwers_are_sibcalls instead of
12524         cfun->all_throwers_are_sibcalls.
12525         (arm_output_fn_unwind): Likewise.
12526         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
12527         instead of cfun->uses_pic_offset_table.
12528         (frv_expand_prologue): Likewise.
12529         (frv_frame_pointer_required): Likewise.
12530         (frv_expand_fdpic_call): Likewise.
12531         (frv_emit_movsi): Likewise.
12532         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
12533         cfun->returns_pcc_struct instead of
12534         current_function_returns_pcc_struct.
12535         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
12536         instead of cfun->calls_eh_return.
12537         (m32c_pushm_popm): Likewise.
12538         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
12539         "extern" declaration.
12540
12541 2008-04-30  Richard Guenther  <rguenther@suse.de>
12542
12543         PR tree-optimization/21636
12544         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
12545         constant address.
12546         (evaluate_stmt): Print the likely value.
12547         (ccp_visit_stmt): Avoid excessive vertical spacing.
12548
12549 2008-04-30  Rafael Espindola  <espindola@google.com>
12550
12551         * builtins.c (fold_call_expr): Return realret.
12552         * tree-ssa-threadedge.c
12553         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
12554         __builtin_object_size.
12555
12556 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
12557
12558         * gcc.c (wrapper_string): New variable.
12559         (insert_wrapper): New function.
12560         (execute): New option -wrapper.
12561         * doc/invoke.texi (Overall Options): New driver option -wrapper.
12562
12563 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
12564
12565         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
12566         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
12567         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
12568         from...
12569         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
12570         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
12571         config/rs6000/e500crtres64gprctr.asm,
12572         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
12573         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
12574         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
12575         config/rs6000/e500crtsav64gprctr.asm,
12576         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
12577         config/rs6000/e500crtsavg64gprctr.asm: New files.
12578         * config/rs6000/t-ppccomm: Add build rules for new files.
12579         (LIB2FUNCS_STATIC_EXTRA): Add new files.
12580         * config/rs6000/t-netbsd: Add build rules for new files.
12581         (LIB2FUNCS_STATIC_EXTRA): New variable.
12582         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
12583         (CRTSAVRES_DEFAULT_SPEC): Likewise.
12584         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
12585
12586 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
12587
12588         * config/i386/i386.c (ix86_builtin_type): Add
12589         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
12590         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
12591         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
12592         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
12593         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
12594         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
12595         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
12596         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12597         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
12598         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
12599         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
12600         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
12601         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
12602         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
12603         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
12604         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
12605         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
12606         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
12607         V1DI_FTYPE_V2SI_V2SI.
12608         (bdesc_2arg): Moved to ...
12609         (bdesc_args): Here.
12610         (ix86_init_mmx_sse_builtins): Updated.
12611         (ix86_expand_args_builtin): Updated.  Take a pointer
12612         to const struct builtin_description.  Handle comparison
12613         builtin functions.
12614         (ix86_expand_sse_compare): Take a new argument for swapping operands.
12615         (ix86_expand_builtin): Updated.
12616
12617         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
12618         (ssse3_pmaddubsw128): This.
12619         (ssse3_pmaddubswv4hi3): Renamed to ...
12620         (ssse3_pmaddubsw): This.
12621
12622         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
12623         (__builtin_ia32_packssdw128): Likewise.
12624         (__builtin_ia32_packuswb128): Likewise.
12625         (__builtin_ia32_pmaddubsw): Likewise.
12626         (__builtin_ia32_pmaddubsw128): Likewise.
12627
12628 2008-04-30  Richard Guenther  <rguenther@suse.de>
12629
12630         PR tree-optimization/14847
12631         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
12632         (recognize_bits_test): Use it.
12633         (recognize_single_bit_test): Likewise.
12634
12635 2008-04-30  Martin Jambor  <mjambor@suse.cz>
12636
12637         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
12638         instead of setting number of formal parameters to zero.
12639         (ipcp_init_stage): Do not set the number of actual parameters to zero
12640         either.
12641         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
12642         which are called with variable number of arguments.
12643         (ipcp_insert_stage): Explicitely skipping all nodes which are
12644         called with variable number of arguments.
12645         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
12646         number of parameters.
12647
12648         * ipa-prop.h (struct ipa_node_params): Added flag
12649         called_with_var_arguments
12650         (ipa_set_param_count): Added.  Changed sole setter to use it.
12651         (ipa_get_param_count): Added.  All readers of param_count
12652         converted to use it instead.
12653         (ipa_set_called_with_variable_arg): Added.
12654         (ipa_is_called_with_var_arguments): Added.
12655         (ipa_get_ith_param): Added.  All readers of param_decls converted
12656         to use it instead.
12657         (ipa_set_cs_argument_count): Added, sole writer to argument_count
12658         changed to use it.
12659         (ipa_get_cs_argument_count): Added, all readers of argument_count
12660         changed to cal it.
12661         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
12662         to use it.
12663
12664         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
12665         (struct ipcp_lattice): Renamed cval_type to type
12666         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
12667
12668         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
12669         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
12670         (ipcp_insert_stage): Changed the type of variable cvalue to tree
12671         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
12672         (build_const_val): Changed the type of parameter cvalue to tree
12673         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
12674         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
12675
12676         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
12677         constant
12678
12679         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
12680         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
12681         (ipa_add_method): Renamed to ipa_push_func_to_list
12682         (ipa_remove_method): Renamed to ipa_pop_func_from_list
12683         (ipa_callsite_param_count): Removed.
12684         (ipa_callsite_param_count_set): Removed.
12685         (ipa_callsite_param): Removed.
12686         (ipa_callsite_callee): Removed.
12687         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
12688         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
12689         (ipa_method_formal_count): Removed.
12690         (ipa_method_formal_count_set): Removed.
12691         (ipa_method_get_tree): Removed.
12692         (ipa_method_tree_map_create): Removed.
12693         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
12694         (ipa_create_param_decls_array): Creates the array itself
12695         (ipa_create_param_decls_array): Temporary variable info instead of
12696         a few dereferences.
12697         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
12698         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
12699         (get_type): Removed.
12700         (ipa_jf_get_info_type): Removed.
12701         (ipa_node_create): Renamed to ipa_create_node_params
12702         (ipa_free): Renamed to ipa_free_all_node_params
12703         (ipa_nodes_create): Renamed to ipa_create_all_node_params
12704         (ipa_edges_create): Renamed to ipa_create_all_edge_args
12705         (ipa_edges_free): Renamed to ipa_free_all_edge_args
12706         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
12707         (ipa_free_all_node_params): Deallocation to jump_functions moved to
12708         ipa_free_all_edge_args
12709         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
12710         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
12711         (ipa_create_methodlist_node): Removed.
12712         (ipa_methodlist_method): Removed.
12713         (ipa_methodlist_method_set): Removed.
12714         (ipa_methodlist_next_method): Removed.
12715         (ipa_methodlist_next_method_set): Removed.
12716         (ipa_method_is_modified): Removed.
12717         (ipa_method_modify_create): Removed.
12718         (ipa_method_modify_init): Temporary variable info instead of a few
12719         dereferences.
12720         (ipa_detect_param_modifications): Temporary variable info instead of
12721         a few dereferences.
12722         (ipa_compute_jump_functions): Temporary variable info instead of
12723         a few dereferences.
12724         (ipa_method_modify_set): Removed.
12725         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
12726         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
12727         than craph_node as the first parameter.
12728         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
12729         (ipa_method_modify_init): Removed.
12730         (ipa_compute_jump_functions): Added a temp variable instead of
12731         repeatadly dereferencing the cgraph_edge.aux pointer
12732         (ipa_callsite_param_set_type): Removed.
12733         (ipa_compute_jump_functions): i renamed to index and moved to
12734         an inner block
12735         (ipa_callsite_param_set_info_type_formal): Removed.
12736         (ipa_callsite_param_set_info_type): Removed.
12737         (ipa_callsite_param_map_create): Removed.
12738         (ipa_callsite_tree): Removed.
12739         (ipa_callsite_caller): Removed.
12740         (ipa_pop_func_from_list): return_method removed to return_func
12741
12742         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
12743         prefixed all values with IPA_. Changed all users.
12744         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
12745         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
12746         and FORMAL_IPATYPE IPA_PASS_THROUGH.
12747         (union parameter_info): Renamed to jump_func_value.
12748         (union jump_func_value): Renamed value to constant
12749         (struct ipa_jump_func): Renamed info_type to value
12750         (struct ipa_node): Renamed to ipa_node_params
12751         (struct ipa_node_params): Renamed ipa_arg_num to param_count
12752         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
12753         (struct ipa_node_params): Renamed ipa_mod to modified_flags
12754         (struct ipa_edge): Renamed to ipa_edge_args
12755         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
12756         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
12757         (struct ipa_methodlist): Renamed to ipa_func_list
12758         (struct ipa_func_list): method_p renamed to node, next_method
12759         renamed to next
12760         (ipa_methodlist_p): Removed, switched all users to struct pointer
12761         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
12762
12763 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
12764
12765         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
12766         (rs6000_emit_epilogue): Use backchain to restore only when we
12767         have a large frame.  Make use of frame pointer to restore if we
12768         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
12769
12770 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
12771
12772         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
12773         Add mode to zero_extract.
12774         (sign bit tests peepholes): (Ditto.).
12775
12776 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
12777
12778         * config/i386/i386.c (ix86_builtins): Replace Prescott New
12779         Instructions in comments with SSE3.
12780         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
12781         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
12782         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
12783         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
12784         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
12785         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
12786         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
12787         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
12788         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
12789         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
12790         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
12791         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
12792         (bdesc_sse_args): Renamed to ...
12793         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
12794         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
12795         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
12796         IX86_BUILTIN_FABSQ.
12797         (bdesc_1arg): Moved to ...
12798         (bdesc_args): Here.
12799         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
12800         Instructions in comments with SSE3.
12801         (ix86_expand_sse_operands_builtin): Renamed to ...
12802         (ix86_expand_args_builtin): This.  Updated.
12803         (ix86_expand_unop1_builtin): Update comments.
12804         (ix86_expand_builtin): Updated.
12805
12806 2008-04-29  Richard Guenther  <rguenther@suse.de>
12807
12808         PR tree-optimization/36078
12809         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
12810         Update virtual SSA form after cleaning up the CFG.
12811
12812 2008-04-29  Richard Guenther  <rguenther@suse.de>
12813
12814         PR middle-end/15255
12815         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
12816
12817 2008-04-29  Richard Guenther  <rguenther@suse.de>
12818
12819         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
12820         (compute_may_aliases): Do not call finalize_ref_all_pointers.
12821         (compute_flow_insensitive_aliasing): Do not treat
12822         PTR_IS_REF_ALL pointers special.
12823         (get_smt_for): Likewise.
12824         (may_alias_p): Re-structure.
12825         (is_escape_site): A ref-all pointer conversion is not an escape site.
12826         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
12827         PTR_IS_REF_ALL pointers special.
12828         * tree-ssa-structalias.h (struct alias_info): Remove
12829         ref_all_symbol_mem_tag field.
12830         (PTR_IS_REF_ALL): Remove.
12831
12832 2008-04-29  Richard Guenther  <rguenther@suse.de>
12833
12834         PR middle-end/36077
12835         * fold-const.c (extract_muldiv_1): In combining division constants
12836         make sure to never overflow.
12837
12838 2008-04-29  Nick Clifton  <nickc@redhat.com>
12839
12840         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
12841
12842 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12843
12844         PR bootstrap/35169
12845         * optc-gen.awk: Work around HP-UX/IA awk bug.
12846
12847 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
12848
12849         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
12850         2008-04-25 commit.
12851
12852 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12853
12854         PR target/36073
12855         * config/i386/i386.md
12856         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
12857         Change operand 1 predicate to nonimmediate_operand.
12858
12859 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
12860
12861         PR debug/36060
12862         * dwarf2out.c (struct die_struct): Mark as chain_circular through
12863         die_sub field.
12864         * gengtype.c (walk_type, write_func_for_structure): Handle
12865         chain_circular.
12866         * doc/gty.texi: Document chain_circular.
12867
12868 2008-04-28  Richard Guenther  <rguenther@suse.de>
12869
12870         PR tree-optimization/36066
12871         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
12872         SCEV and loop.
12873
12874 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
12875
12876         PR target/36064
12877         * config/i386/i386.md
12878         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
12879         Use match_scratch instead of match_operand for operands 3 and 4.
12880
12881 2008-04-27  Richard Guenther  <rguenther@suse.de>
12882
12883         PR tree-optimization/18754
12884         PR tree-optimization/34223
12885         * tree-pass.h (pass_complete_unrolli): Declare.
12886         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
12887         loop size before and after unconditionally of UL_NO_GROWTH in effect.
12888         Rewrite loop into loop closed SSA form if it is not already.
12889         (tree_unroll_loops_completely): Re-structure to iterate over
12890         innermost loops with intermediate CFG cleanups.
12891         Unroll outermost loops only if requested or the code does not grow
12892         doing so.
12893         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
12894         loops are available.
12895         (tree_vectorize): Instead do so here.
12896         (tree_complete_unroll): Also unroll outermost loops.
12897         (tree_complete_unroll_inner): New function.
12898         (gate_tree_complete_unroll_inner): Likewise.
12899         (pass_complete_unrolli): New pass.
12900         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
12901         uses outside of the loop.
12902         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
12903         form if it is available.
12904         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
12905         * passes.c (init_optimization_passes): Schedule complete inner
12906         loop unrolling pass before the first CCP pass after final inlining.
12907
12908 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
12909
12910         * targhooks.h (default_emutls_var_fields,
12911         default_emutls_var_init): Declare.
12912         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
12913         * target.h (struct gcc_target): Add struct emutls member.
12914         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
12915         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
12916         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
12917         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
12918         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
12919         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
12920         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
12921         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
12922         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
12923         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
12924         emit debug information.
12925         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
12926         * varasm.c: Include targhooks.h.
12927         (emutls_object_section, emutls_tmpl_section): New.
12928         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
12929         (EMUTLS_SEPARATOR): New.
12930         (prefix_name): New.
12931         (get_emutls_object_name): New.
12932         (default_emutls_var_fields): New, broken out of ...
12933         (get_emutls_object_type): ... here.  Adjust to use target hooks.
12934         (get_emutls_init_templ_addr): Adjust to use target hooks.
12935         (emutls_decl): Adjust to use target hooks.
12936         (emutls_finish): Likewise.
12937         (default_emutls_var_init): New, broken out of ...
12938         (assemble_variable): ... here.  Adjust to use target hooks.
12939         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
12940         SECCAT_EMUTLS_TMPL.
12941         * c-common.c (handle_section_attribute): Prevent overriding
12942         sections for emulated tls with special sections.
12943         * config/i386/i386.c (x86_64_elf_select_section): Add
12944         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
12945         (x86_64_elf_unique_section): Likewise.
12946         * config/vxworks.c: Include tree.h.
12947         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
12948         (vxworks_override_options): Set TLS scheme.
12949         * doc/tm.texi (Emulated TLS): New node.
12950
12951 2008-04-26  Simon Baldwin <simonb@google.com>
12952
12953         PR c/35652
12954         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
12955         with propagated string constants.
12956
12957 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
12958
12959         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
12960         constraint for operand 2 when operand 0 is memory operand.
12961         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
12962         operand 0 is memory operand.
12963         (fix_trunc<mode>_i387_with_temp): Ditto.
12964         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
12965         operand 2 when operand 1 is memory operand.
12966         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
12967         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
12968         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
12969         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
12970         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
12971         operands 2,3 and 4 when operand 1 is memory operand.
12972         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
12973         is memory operand.
12974         (fistdi2_floor_with_temp): Ditto.
12975         (fist<mode>2_floor_with_temp): Ditto.
12976         (fistdi2_ceil_with_temp): Ditto.
12977         (fist<mode>2_ceil_with_temp): Ditto.
12978         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
12979
12980 2008-04-26  David Daney  <ddaney@avtrex.com>
12981
12982         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
12983         unspec_volitile.
12984         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
12985         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
12986         UNSPEC_UPDATE_GOT_VERSION): Renumber.
12987         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
12988         (compare_and_swap_12): New insn.
12989         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
12990         * config/mips/mips.c (mips_force_binary): New function.
12991         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
12992         (mips_expand_compare_and_swap_12): New function.
12993         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
12994
12995 2008-04-25  Jan Hubicka  <jh@suse.cz>
12996
12997         PR testsuite/35843
12998         * cfgexpand.c (pass_expand): Turn into RTL pass.
12999         * passes.c (execute_one_pass): Do pass typechecking after execution.
13000         * tree-pass.h (pass_expand): Turn into RTL pass.
13001
13002         * function.h (struct rtl_data): Move here fields
13003         accesses_prior_frames, calls_eh_return, saves_all_registers,
13004         has_nonlocal_goto, has_asm_statement, is_thunk,
13005         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
13006         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13007         arg_pointer_save_area_init from struct function; turn into bool.
13008         (struct function): Move
13009         calls_eh_return, saves_all_registers, has_nonlocal_goto,
13010         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
13011         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
13012         tail_call_emit, arg_pointer_save_area_init
13013         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
13014         (current_function_returns_struct, current_function_returns_pcc_struct,
13015         current_function_calls_setjmp, current_function_calls_alloca,
13016         current_function_accesses_prior_frames,
13017         current_function_calls_eh_return, current_function_is_thunk,
13018         current_function_stdarg, current_function_profile,
13019         current_function_limit_stack, current_function_uses_pic_offset_table,
13020         current_function_uses_const_pool, current_function_has_nonlocal_label,
13021         current_function_saves_all_registers,
13022         current_function_has_nonlocal_goto,
13023         current_function_has_asm_statement): Remove accesor macros.
13024         * ra-conflict.c (global_conflicts): Update.
13025         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
13026         (suitable_for_tail_call_opt_p): Update.
13027         * builtins.c (expand_builtin_return_addr): Update.
13028         (expand_builtin_setjmp_setup): Update.
13029         (expand_builtin_nonlocal_goto): Update.
13030         * final.c (final_start_function): Update.
13031         (profile_function): Update.
13032         (leaf_function_p): Update.
13033         (only_leaf_regs_used): Update.
13034         * df-scan.c (df_get_exit_block_use_set): Update.
13035         * dojump.c (clear_pending_stack_adjust): Update.
13036         * tree-stdarg.c (gate_optimize_stdarg): Update.
13037         * gimple-low.c (lower_function_body): Update.
13038         * global.c (compute_regsets): Update.
13039         (global_alloc): Update.
13040         * dwarf2out.c (dwarf2out_begin_prologue): Update.
13041         * expr.c (expand_assignment): Update.
13042         * dse.c (dse_step0): Update.
13043         (dse_step1): Update.
13044         * c-decl.c (store_parm_decls): Update.
13045         * local-alloc.c (combine_regs): Update.
13046         (find_free_reg): Update.
13047         * function.c (assign_parms_augmented_arg_list): Update.
13048         (assign_parm_find_data_types): Update.
13049         (assign_parms): Update.
13050         (allocate_struct_function): Update.
13051         (expand_function_start): Update.
13052         (expand_function_end): Update.
13053         (get_arg_pointer_save_area): Update.
13054         (thread_prologue_and_epilogue_insns): Update.
13055         (rest_of_match_asm_constraints): Update.
13056         * stor-layout.c (variable_size): Update.
13057         * gcse.c (gcse_main): Update.
13058         (bypass_jumps): Update.
13059         * gimplify.c (gimplify_function_tree): Update.
13060         * calls.c (emit_call_1): Update.
13061         (expand_call): Update.
13062         * bt-load.c (compute_defs_uses_and_gen): Update.
13063         * except.c (sjlj_assign_call_site_values): Update.
13064         (sjlj_emit_function_enter): Update.
13065         (can_throw_external): Update.
13066         (set_nothrow_function_flags): Update.
13067         (expand_builtin_unwind_init): Update.
13068         (expand_eh_return): Update.
13069         (convert_to_eh_region_ranges): Update.
13070         (output_function_exception_table): Update.
13071         * emit-rtl.c (gen_tmp_stack_mem): Update.
13072         * cfgexpand.c (expand_used_vars): Update.
13073         (tree_expand_cfg): Update.
13074         * cfgcleanup.c (rest_of_handle_jump): Update.
13075         * explow.c (allocate_dynamic_stack_space): Update.
13076         * varasm.c (assemble_start_function): Update.
13077         (force_const_mem): Update.
13078         (mark_constant_pool): Update.
13079         * tree-optimize.c (tree_rest_of_compilation): Update.
13080         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
13081         * tree-cfg.c (notice_special_calls): Update.
13082         (is_ctrl_altering_stmt): Update.
13083         (tree_can_make_abnormal_goto): Update.
13084         (tree_purge_dead_abnormal_call_edges): Update.
13085         * config/alpha/predicates.md: Update.
13086         * config/alpha/alpha.c (alpha_sa_mask): Update.
13087         (alpha_sa_size): Update.
13088         (alpha_does_function_need_gp): Update.
13089         (alpha_expand_prologue): Update.
13090         (alpha_start_function): Update.
13091         (alpha_output_function_end_prologue): Update.
13092         (alpha_expand_epilogue): Update.
13093         * config/frv/frv.c (frv_stack_info): Update.
13094         (frv_expand_epilogue): Update.
13095         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
13096         (s390_register_info): Update.
13097         (s390_frame_info): Update.
13098         (s390_init_frame_layout): Update.
13099         (s390_can_eliminate): Update.
13100         (save_gprs): Update.
13101         * config/spu/spu.c (spu_split_immediate): Update.
13102         (need_to_save_reg): Update.
13103         (spu_expand_prologue): Update.
13104         (spu_expand_epilogue): Update.
13105         * config/sparc/sparc.md: Update.
13106         * config/sparc/sparc.c (eligible_for_return_delay): Update.
13107         (sparc_tls_got): Update.
13108         (legitimize_pic_address): Update.
13109         (sparc_emit_call_insn): Update.
13110         (sparc_expand_prologue): Update.
13111         (output_return): Update.
13112         (print_operand): Update.
13113         (sparc_function_ok_for_sibcall): Update.
13114         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
13115         * config/m32r/m32r.md: Update.
13116         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
13117         (m32r_compute_frame_size): Update.
13118         (m32r_expand_prologue): Update.
13119         (m32r_expand_epilogue): Update.
13120         (m32r_legitimize_pic_address): Update.
13121         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
13122         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13123         * config/i386/i386.c (ix86_frame_pointer_required): Update.
13124         (gen_push): Update.
13125         (ix86_save_reg): Update.
13126         (ix86_compute_frame_layout): Update.
13127         (ix86_expand_prologue): Update.
13128         (ix86_expand_epilogue): Update.
13129         * config/sh/sh.c (output_stack_adjust): Update.
13130         (calc_live_regs): Update.
13131         (sh5_schedule_saves): Update.
13132         (sh_expand_prologue): Update.
13133         (sh_expand_epilogue): Update.
13134         (sh_setup_incoming_varargs): Update.
13135         (sh_allocate_initial_value): Update.
13136         (sh_get_pr_initial_val): Update.
13137         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
13138         * config/sh/sh.md (label:): Update.
13139         * config/avr/avr.c (out_movhi_mr_r): Update.
13140         * config/crx/crx.h (enum): Update.
13141         * config/xtensa/xtensa.h (along): Update.
13142         * config/stormy16/stormy16.c Update.
13143         (xstormy16_compute_stack_layout): Update.
13144         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
13145         (fr30_expand_prologue): Update.
13146         * config/cris/cris.c (cris_conditional_register_usage): Update.
13147         (cris_reg_saved_in_regsave_area): Update.
13148         (cris_initial_frame_pointer_offset): Update.
13149         (cris_simple_epilogue): Update.
13150         (cris_expand_prologue): Update.
13151         (cris_expand_epilogue): Update.
13152         (cris_expand_pic_call_address): Update.
13153         (cris_asm_output_symbol_ref): Update.
13154         (cris_asm_output_label_ref): Update.
13155         * config/cris/cris.md Update.
13156         * config/iq2000/iq2000.c (compute_frame_size): Update.
13157         (iq2000_expand_epilogue): Update.
13158         * config/mt/mt.h (save_direction): Update.
13159         * config/mn10300/mn10300.c (mn10300_function_value): Update.
13160         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
13161         (ia64_secondary_reload_class): Update.
13162         * config/m68k/m68k.c (m68k_save_reg): Update.
13163         (m68k_expand_prologue): Update.
13164         (m68k_expand_epilogue): Update.
13165         (legitimize_pic_address): Update.
13166         * config/rs6000/rs6000.c (rs6000_got_register): Update.
13167         (first_reg_to_save): Update.
13168         (first_altivec_reg_to_save): Update.
13169         (compute_vrsave_mask): Update.
13170         (compute_save_world_info): Update.
13171         (rs6000_stack_info): Update.
13172         (spe_func_has_64bit_regs_p): Update.
13173         (rs6000_ra_ever_killed): Update.
13174         (rs6000_emit_eh_reg_restore): Update.
13175         (rs6000_emit_allocate_stack): Update.
13176         (rs6000_emit_prologue): Update.
13177         (rs6000_emit_epilogue): Update.
13178         (rs6000_output_function_epilogue): Update.
13179         (output_profile_hook): Update.
13180         (rs6000_elf_declare_function_name): Update.
13181         * config/rs6000/rs6000.h (rs6000_args): Update.
13182         * config/rs6000/rs6000.md: Update.
13183         * config/mcore/mcore.c (mcore_expand_prolog): Update.
13184         * config/arc/arc.c (arc_output_function_epilogue): Update.
13185         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
13186         * config/darwin.c (machopic_function_base_name): Update.
13187         * config/score/score3.c (score3_compute_frame_size): Update.
13188         (rpush): Update.
13189         (rpop): Update.
13190         (score3_epilogue): Update.
13191         * config/score/score7.c (score7_compute_frame_size): Update.
13192         (score7_prologue): Update.
13193         (score7_epilogue): Update.
13194         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
13195         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
13196         * config/arm/arm.c (use_return_insn): Update.
13197         (require_pic_register): Update.
13198         (arm_load_pic_register): Update.
13199         (arm_compute_save_reg0_reg12_mask): Update.
13200         (arm_compute_save_reg_mask): Update.
13201         (thumb1_compute_save_reg_mask): Update.
13202         (output_return_instruction): Update.
13203         (arm_output_function_prologue): Update.
13204         (arm_output_epilogue): Update.
13205         (arm_get_frame_offsets): Update.
13206         (arm_expand_prologue): Update.
13207         (thumb_pushpop): Update.
13208         (thumb_exit): Update.
13209         (thumb1_expand_prologue): Update.
13210         (thumb1_expand_epilogue): Update.
13211         (arm_unwind_emit): Update.
13212         (arm_output_fn_unwind): Update.
13213         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
13214         * config/arm/arm.md: Update.
13215         * config/pa/pa.md: Update.
13216         * config/pa/pa.c (legitimize_pic_address): Update.
13217         (compute_frame_size): Update.
13218         (hppa_expand_prologue): Update.
13219         (hppa_expand_epilogue): Update.
13220         (borx_reg_operand): Update.
13221         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
13222         (HARD_REGNO_RENAME_OK): Update.
13223         * config/mips/mips.c (mips_global_pointer): Update.
13224         (mips_save_reg_p): Update.
13225         (mips_compute_frame_info): Update.
13226         (mips_frame_pointer_required): Update.
13227         (mips_expand_prologue): Update.
13228         (mips_expand_epilogue): Update.
13229         (mips_can_use_return_insn): Update.
13230         (mips_reorg_process_insns): Update.
13231         * config/v850/v850.c (compute_register_save_size): Update.
13232         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
13233         * config/mmix/mmix.c (along): Update.
13234         (mmix_expand_epilogue): Update.
13235         * config/bfin/bfin.c (legitimize_pic_address): Update.
13236         (must_save_p): Update.
13237         (stack_frame_needed_p): Update.
13238         (add_to_reg): Update.
13239         (bfin_expand_prologue): Update.
13240         * stmt.c (expand_asm_operands): Update.
13241         * reload1.c (reload): Update.
13242         (init_elim_table): Update.
13243
13244 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
13245
13246         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
13247
13248 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
13249
13250         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
13251         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
13252         (mov<mode>): Removed.
13253         (*movv4sf_internal): Likewise.
13254         (*movv2df_internal): Likewise.
13255
13256 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
13257
13258         * config.gcc (crx-*-elf): Remove deprecation.
13259
13260 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
13261
13262         * config/i386/cygming-crtend.c (register_frame_ctor): Register
13263         __gcc_deregister_frame with atexit.
13264         (deregister_frame_dtor): Remove.
13265
13266 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
13267             Nathan Sidwell  <nathan@codesourcery.com>
13268
13269         * config/rs6000/rs6000.opt (mspe): Remove Var property.
13270         (misel): Likewise.
13271         * config/rs6000/rs6000.h (rs6000_spe): Declare.
13272         (rs6000_isel): Likewise.
13273         * config/rs6000/rs6000.c (rs6000_spe): New variable.
13274         (rs6000_isel): New variable.
13275         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
13276
13277 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13278
13279         PR c++/35758
13280         * c-common.c (handle_vector_size_attribute): Call
13281         lang_hooks.types.reconstruct_complex_type instead of
13282         reconstruct_complex_type.
13283         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
13284         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
13285         * langhooks.h (struct lang_hooks_for_types): Add
13286         reconstruct_complex_type hook.
13287         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
13288         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
13289
13290 2008-04-24  Richard Guenther  <rguenther@suse.de>
13291
13292         * c-common.h (check_builtin_function_arguments): Declare.
13293         * c-common.c (validate_nargs): New function.
13294         (check_builtin_function_arguments): Likewise.
13295         * c-typeck.c (build_function_call): Call
13296         check_builtin_function_arguments.
13297         * builtins.c (fold_builtin_classify): Remove error reporting code.
13298         (fold_builtin_unordered_cmp): Likewise.
13299         (fold_builtin_1): Likewise.
13300         (fold_builtin_n): Likewise.
13301
13302 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13303
13304         PR tree-optimization/36008
13305         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
13306         the original op1, rather than delta by step.
13307
13308 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
13309             Sebastian Pop  <sebastian.pop@amd.com>
13310
13311         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
13312         eliminate_local_variables_stmt, eliminate_local_variables,
13313         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
13314         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
13315         of code delimited by two edges in the CFG.
13316         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
13317         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
13318         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
13319         the case of parallelisation of reductions.
13320         (expr_invariant_in_region_p): New.
13321
13322         * tree-flow.h (gather_blocks_in_sese_region): Declared.
13323         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
13324
13325 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13326             Richard Guenther  <rguenther@suse.de>
13327
13328         PR tree-optimization/36034
13329         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
13330         incapable of dealing with loads with gaps.
13331
13332 2008-04-24  Rafael Espindola  <espindola@google.com>
13333
13334         * tree-flow.h (vrp_evaluate_conditional): Change signature.
13335         * tree-ssa-propagate.c (fold_predicate_in): Update call to
13336         vrp_evaluate_conditional.
13337         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
13338         (vrp_evaluate_conditional): Split the cond argument.
13339         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
13340         (simplify_stmt_for_jump_threading): Update call to
13341         vrp_evaluate_conditional.
13342
13343 2008-04-24  Ira Rosen  <irar@il.ibm.com>
13344
13345         PR tree-optimization/35982
13346         * tree-vect-analyze.c (vect_check_interleaving): Check that the
13347         interleaved data-refs are of the same type.
13348
13349 2008-04-24  Danny Smith  <dannysmith@users.net>
13350
13351         * c-format.c (check_format_info_main): Use strncmp rather than a
13352         magic prefix to handle multichar length specs.
13353         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
13354         Don't prefix "I64" and "I32" with '\0'.
13355
13356 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
13357
13358         PR target/36015
13359         * config/i386/i386.c (init_cumulative_args): Don't pass anything
13360         in registers for -m32 only if stdarg_p (fntype).
13361
13362 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
13363
13364         PR rtl-optimization/36006
13365         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
13366         temp to op0 in order to avoid invalid rtx sharing.
13367
13368 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
13369
13370         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
13371         check TREE_INVARIANT.
13372         * tree-gimple.c (is_gimple_address): New.
13373         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
13374         * tree-gimple.h (is_gimple_address): New.
13375         * tree.h (decl_address_invariant_p): New.
13376         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
13377         (build_string): Likewise.
13378         (decl_address_invariant_p): New, from is_gimple_invariant_address.
13379         (tree_invariant_p_1): Likewise.
13380         (save_expr): Use it.
13381         (tree_invariant_p): New.
13382         (skip_simple_arithmetic): Use it.
13383         (stabilize_reference_1): Use it.
13384         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
13385         simplify.
13386         (build1_stat): Drop code to compute TREE_INVARIANT.
13387         (build2_stat): Drop code to compute TREE_INVARIANT.
13388         (build3_stat): Drop code to compute TREE_INVARIANT.
13389         (build4_stat): Drop code to compute TREE_INVARIANT.
13390         (build5_stat): Drop code to compute TREE_INVARIANT.
13391         (build7_stat): Drop code to compute TREE_INVARIANT.
13392         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
13393         * tree.h (struct tree_base): Remove invariant_flag.
13394         (TREE_INVARIANT): Remove.
13395         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
13396         (fold_builtin_expect): Check TREE_CONSTANT.
13397         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
13398         * c-tree.h (c_expr_to_decl): Drop third parameter.
13399         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
13400         (build_c_cast): Don't set TREE_INVARIANT.
13401         (pop_init_level): Don't set TREE_INVARIANT.
13402         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
13403         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
13404         TREE_CONSTANT.
13405         (gimplify_init_constructor): Don't set TREE_INVARIANT.
13406         (gimplify_addr_expr): Adjust comment.
13407         * tree-mudflap.c (mf_build_string):
13408         * print-tree.c (print_node): Don't print TREE_INVARIANT.
13409         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
13410         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
13411         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
13412         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
13413         * langhooks.h (struct lang_hooks): Drop third parameter from
13414         expr_to_decl.
13415
13416 2008-04-23  Richard Guenther  <rguenther@suse.de>
13417
13418         PR tree-optimization/27799
13419         PR tree-optimization/32921
13420         PR tree-optimization/32624
13421         * tree-ssa-structalias.c (merge_smts_into): Only merge the
13422         SMTs aliases and the tag itself into the solution.
13423         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
13424         merge the points-to solution back into the SMT aliases.
13425         (may_alias_p): Use alias_set_subset_of instead of
13426         aliases_conflict_p.  A pointer which points to
13427         memory with alias set zero may access any variable.
13428
13429 2008-04-23  Richard Guenther  <rguenther@suse.de>
13430
13431         * alias.c (alias_set_subset_of): Correctly handle asking
13432         if zero is a subset of an alias set with zero child.
13433         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
13434         (compute_flow_insensitive_aliasing): Correctly walk all
13435         pointers.  Do not unnecessarily union sets.
13436
13437 2008-04-23  Richard Guenther  <rguenther@suse.de>
13438
13439         PR middle-end/36021
13440         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
13441
13442 2008-04-22  Tomas Bily  <tbily@suse.cz>
13443
13444         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
13445         unreachable case.
13446         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
13447         NON_LVALUE_EXPR.
13448         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13449         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13450         * tree-inline.c (estimate_num_insns_1): Likewise.
13451         * varasm.c (const_hash_1, compare_constant, copy_constant)
13452         (compute_reloc_for_constant, output_addressed_constants): Likewise.
13453         * emit-rtl.c (component_ref_for_mem_expr)
13454         (set_mem_attributes_minus_bitpos): Likewise.
13455         * expr.c (highest_pow2_factor, expand_expr_real_1, )
13456         (is_aligning_offset): Likewise.
13457         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
13458         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13459         * dojump.c (do_jump): Likewise.
13460         * builtins.c (get_pointer_alignment, get_memory_rtx)
13461         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
13462         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
13463
13464 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
13465
13466         PR rtl-optimization/36017
13467         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
13468         expanding the library call.
13469
13470 2008-04-22  Ian Lance Taylor  <iant@google.com>
13471
13472         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
13473         than size_in_bytes.
13474
13475 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
13476
13477         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
13478         of LR/CTR moves for Power6.
13479
13480 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
13481
13482         PR middle-end/36003
13483         * passes.c (init_optimization_passes): Remove
13484         pass_fast_rtl_byte_dce.
13485
13486 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
13487
13488         PR target/29096
13489         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
13490         builtin functions to generate faster code.
13491         (_mm_cvtpu16_ps): Ditto.
13492         (_mm_cvtpi32x2_ps): Ditto.
13493
13494 2008-04-22  Nick Clifton  <nickc@redhat.com>
13495
13496         * common.opt (ftree-loop-distribution): Add Optimization
13497         attribute.
13498
13499         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
13500         (frv_expand_builtin_va_start): Likewise.
13501
13502         * config/arm/arm.c (thumb_find_work_register): Fix location of
13503         argument register count.
13504
13505 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13506
13507         Support scheduling for ColdFire V1 and V3 microarchitecture.
13508         Improve scheduling of multiplication instructions.
13509
13510         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
13511         (mac): New instruction attribute.
13512         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
13513         (m68k_sched_mac): New variable.
13514         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
13515         Handle cfv1 and cfv3.
13516         (max_insn_size): New static variable.
13517         (struct _sched_ib): New type.
13518         (sched_ib): New static variable.
13519         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
13520         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
13521         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
13522         Update.
13523         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
13524         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
13525         new variables.  Update.
13526         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13527         Add modeling of cfv3 instruction buffer.  Update.
13528         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
13529         * config/m68k/m68k.h (TUNE_CFV3): New macro.
13530         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
13531         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
13532         a particular reservation applies to.
13533         (type2): Reorganize attribute values.  Rename alu to alu_reg,
13534         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
13535         to mul_l and mul_w.
13536         (cf_ib_*): Simplify description of instruction buffer.
13537         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
13538         (cf_mem): Split into cf_mem1 and cf_mem2.
13539         (cf_v2_move_??): Rename to cfv12_alu_??.
13540         (cf_v2_move_l_??): Rename to cfv12_omove_??.
13541         (cf_v2_mul_??): Remove reservations.
13542         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
13543         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
13544         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
13545         appropriate place.
13546         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
13547         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
13548         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
13549         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
13550         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
13551         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
13552         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
13553         expansions of the above reservations for instructions of sizes
13554         1, 2 and 3 words.
13555
13556 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
13557
13558         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
13559
13560 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
13561
13562         * coverage.c: Include tree-pass.h.
13563         (coverage_counter_alloc): Print da_file_name to the dump file.
13564
13565 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
13566
13567         * sbitmap.c (sbitmap_range_empty_p): New function.
13568         * sbitmap.h (sbitmap_range_empty_p): New function.
13569         * bitmap.h: Now includes obstack.h.
13570
13571 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
13572             Kenneth Zadeck  <zadeck@naturalbridge.com>
13573
13574         * dbgcnt.def (ra_byte_scan): Added.
13575         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
13576         when the last hit happens for a counter.
13577         * timevar.def (TV_DF_BYTE_LR): New variable.
13578         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
13579         * passes.c (pass_fast_rtl_byte_dce): New pass.
13580         * fwprop.c (update_df): Added mode to call df_ref_create.
13581         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13582         DF_REF_EXTRACT_OFFSET.
13583         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
13584         DF_BYTE_LR_OUT, df_byte_lr): New macro.
13585         (df_mm): New enum.
13586         (df_ref_extract): Added mode field.
13587         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
13588         DF_REF_EXTRACT_OFFSET.
13589         (DF_REF_EXTRACT_MODE): New macro.
13590         (df_byte_lr_bb_info): New structure.
13591         (df_print_byte_regset, df_compute_accessed_bytes,
13592         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
13593         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
13594         df_byte_lr_simulate_uses,
13595         df_byte_lr_simulate_artificial_refs_at_top,
13596         df_byte_lr_simulate_artificial_refs_at_end,
13597         df_compute_accessed_bytes): New function.
13598         (df_ref_create): Add parameter.
13599         (df_byte_lr_get_bb_info): New inline function.
13600         * df-scan.c (df_ref_record, df_uses_record,
13601         df_ref_create_structure): Added mode parameter.
13602         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
13603         df_defs_record, df_uses_record, df_get_conditional_uses,
13604         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
13605         df_entry_block_defs_collect, df_exit_block_uses_collect):
13606         Added mode parameter to calls to df_ref_record, df_uses_record,
13607         df_ref_create_structure.
13608         (df_ref_equal_p, df_ref_compare): Added test for modes.
13609         (df_ref_create_structure): Added code to set mode.  Renamed
13610         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
13611         DF_REF_EXTRACT_OFFSET.
13612         * df-core.c (df_print_byte_regset): New function.
13613         * df-byte-scan.c: New file.
13614         * df-problems.c (df_rd_transfer_function): Removed unnecessary
13615         calls to BITMAP_FREE.
13616         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
13617         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
13618         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
13619         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
13620         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
13621         df_byte_lr_local_compute, df_byte_lr_init,
13622         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
13623         df_byte_lr_transfer_function, df_byte_lr_free,
13624         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
13625         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
13626         df_byte_lr_simulate_uses,
13627         df_byte_lr_simulate_artificial_refs_at_top,
13628         df_byte_lr_simulate_artificial_refs_at_end): New function.
13629         * dce.c (byte_dce_process_block): New function.
13630         (dce_process_block): au is now passed in rather than computed
13631         locally.  Changed loops that look at artificial defs to not look
13632         for conditional or partial ones, because there never are any.
13633         (fast_dce): Now is able to drive byte_dce_process_block or
13634         dce_process_block depending on the kind of dce being done.
13635         (rest_of_handle_fast_dce): Add parameter to fast_dce.
13636         (rest_of_handle_fast_byte_dce): New function.
13637         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
13638         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
13639
13640 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
13641
13642         PR fortran/35019
13643         * gcc.h: Added fortran options that take arguments to
13644         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
13645         macros.
13646
13647 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
13648
13649         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
13650         scalarization if on the LHS and not a full access.
13651
13652 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
13653
13654         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
13655
13656 2008-04-18  Rafael Espindola  <espindola@google.com>
13657
13658         * tree-vrp.c (find_case_label_index): Fix the binary search.
13659         (find_case_label_range): New.
13660         (vrp_visit_switch_stmt): Use find_case_label_range.
13661         (simplify_switch_using_ranges): Use find_case_label_range.
13662
13663 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
13664
13665         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
13666         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
13667
13668 2008-04-18  Tom Tromey  <tromey@redhat.com>
13669
13670         PR libcpp/15500:
13671         * doc/cpp.texi (Implementation-defined behavior): Mention
13672         -finput-charset.
13673
13674 2008-04-18  Ian Lance Taylor  <iant@google.com>
13675
13676         * fold-const.c (pointer_may_wrap_p): New static function.
13677         (fold_comparison): Add another test for pointer overflow.  Use
13678         pointer_may_wrap_p to disable some false positives.
13679
13680 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
13681
13682         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
13683         (fname_as_string): Match updated cpp_interpret_string prototype.
13684         (fix_string_type): Support char16_t* and char32_t*.
13685         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
13686         derivative) nodes.  Register as builtin if C++0x.
13687         (c_parse_error): Support CPP_CHAR{16,32}.
13688         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
13689         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
13690         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
13691         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
13692         CTI_CHAR32_ARRAY_TYPE>: New elements.
13693         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
13694         char32_type_node, signed_char32_type_node, char16_array_type_node,
13695         char32_array_type_node): New defines.
13696         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
13697         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
13698         (lex_string): Support CPP_STRING{16,32}, match updated
13699         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
13700         (lex_charconst): Support CPP_CHAR{16,32}.
13701         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
13702         and CPP_STRING{16,32}.
13703
13704 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
13705
13706         PR bootstrap/35457
13707         * aclocal.m4: Regenerate.
13708         * configure: Regenerate.
13709
13710 2008-04-18  Jan Hubicka  <jh@suse.cz>
13711
13712         * except.c (dw2_size_of_call_site_table,
13713         sjlj_size_of_call_site_table): Use vector API for call_site_record.
13714
13715         * cgraphbuild.c (build_cgraph_edges): Update.
13716         * tree-pass.h: Update comment.
13717         * final.c (leaf_function_p): Update.
13718         (leaf_renumber_regs): Update.
13719         (rest_of_clean_state): Update.
13720         * omp-low.c (expand_omp_parallel): Update.
13721         * ipa-reference.c (analyze_function): Update.
13722         * reorg.c (find_end_label): Update.
13723         (optimize_skip): Update.
13724         (fill_simple_delay_slots): Update.
13725         (fill_simple_delay_slots): Update.
13726         (make_return_insns): Update.
13727         (dbr_schedule): Update.
13728         * gimple-low.c (record_vars_into): Update.
13729         * cfgbuild.c (make_edges): Update.
13730         * function.c (assign_stack_local): Update.
13731         (assign_parm_adjust_stack_rtl): Update.
13732         (locate_and_pad_parm): Update.
13733         (allocate_struct_function): Do not initialize stack_alignment_needed
13734         and preferred_stack_boundary here.
13735         (stack_protect_prologue): Update.
13736         (stack_protect_epilogue): Update.
13737         (expand_function_start): Initialize stack_alignment_needed,
13738         preferred_stack_boundary and max_jumptable_ents.
13739         (expand_function_end): Update.
13740         (free_after_compilation): Do not NULLify epilogue_delay_list.
13741         * function.h (struct rtl_data): Add stack_protect_guard,
13742         stack_alignment_needed,
13743         preferred_stack_boundary, epilogue_delay_list.
13744         (struct function): Remove value_histograms, stack_alignment_needed,
13745         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
13746         last_label_uid,
13747         unexpanded_var_list, stack_protect_guard.
13748         (current_function_epilogue_delay_list): Remove.
13749         * ipa-type-escape.c (analyze_function): Update.
13750         * gimplify.c (pop_gimplify_context): Update comment.
13751         * calls.c (expand_call): Update.
13752         (emit_library_call_value_1): Update.
13753         * except.c (set_nothrow_function_flags): Update.
13754         * cfgexpand.c (get_decl_align_unit): Update.
13755         (create_stack_guard): Update.
13756         (estimated_stack_frame_size): Update.
13757         (expand_used_vars): Update.
13758         (tree_expand_cfg): Free histogram earliers, init expansion variables.
13759         * explow.c (allocate_dynamic_stack_space): Update.
13760         * tree-ssa-live.c (remove_unused_locals): Update.
13761         * varasm.c (mark_constant_pool): Update.
13762         * tree-inline.c (remap_decls): Update.
13763         (initialize_cfun): Update.
13764         (declare_return_variable): Update.
13765         (inline_forbidden_p): Update.
13766         (expand_call_inline): Update.
13767         (declare_inline_vars): Update.
13768         (tree_function_versioning): Update.
13769         * tree-flow.h (value_histograms): New.
13770         (VALUE_HISTOGRAMS): New macro.
13771         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
13772         last_label_uid.
13773         * tree-cfg.c (set_bb_for_stmt): Update.
13774         (replace_by_duplicate_decl): Update.
13775         (move_block_to_fn): Update.
13776         (new_label_mapper): Update.
13777         (dump_function_to_file): Update.
13778         * ipa-struct-reorg.c (build_data_structure): Update.
13779         * cfgrtl.c (print_rtl_with_bb): Update.
13780         * reload1.c (reload): Update.
13781         (reload): Update.
13782         * config/i386/i386.c (setup_incoming_varargs_64,
13783         ix86_compute_frame_layout): Update.
13784         * config/arc/arc.c (arc_output_function_epilogue): Update.
13785
13786 2008-04-18  Marius Strobl <marius@FreeBSD.org>
13787
13788         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
13789         for FreeBSD as well.
13790         * gthr-posix95.h: Likewise.
13791
13792 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
13793
13794         PR rtl-optimization/35838
13795         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
13796         out the byte offset of the first subreg.
13797
13798 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
13799
13800         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
13801         to split_ti instead of three separate calls with single member arrays.
13802         (subti3 splitter): Ditto.
13803         (adddi3 splitter): Ditto with split_di.
13804         (subdi3 splitter): Ditto.
13805         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
13806         two separate calls with single member arrays.  Swap match_dup
13807         operands 1 and 2 to better fit into the array.
13808         (negdi2 splitter): Ditto with split_di.
13809         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
13810         two separate calls with single member arrays.  Swap match_dup operands
13811         6 and 7 to better fit into the array.
13812
13813 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
13814
13815         * config/i386/i386.c (sse_builtin_type): New.
13816         (bdesc_sse_args): Likewise.
13817         (bdesc_sse_3arg): Removed.
13818         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13819         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
13820         IX86_BUILTIN_ROUNDPS.
13821         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
13822         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
13823         IX86_BUILTIN_ROUNDPS.
13824         (ix86_expand_sse_4_operands_builtin): Removed.
13825         (ix86_expand_sse_operands_builtin): New.
13826         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
13827         and CODE_FOR_sse4_1_roundps.
13828         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
13829         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
13830
13831 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
13832
13833         PR target/35907
13834         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
13835         regs before frame pop when needed.  If use_backchain_to_restore_sp
13836         then load backchain into a temp reg to restore vr and vrsave.  Add
13837         code to restore vr after frame pop if possible.
13838
13839 2008-04-17  Richard Guenther  <rguenther@suse.de>
13840
13841         * tree-vn.c (expressions_equal_p): Do not check type
13842         equality or compatibility before calling operand_equal_p.
13843         * fold-const.c (operand_equal_p): Check equivalence of
13844         integer constants before bailing out due to signedness or
13845         precision differences.
13846         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
13847         spurious differences in type qualification.  Ignore types
13848         for COMPONENT_REFs at all.
13849
13850 2008-04-17  Christian Bruel  <christian.bruel@st.com>
13851
13852         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
13853         msw_skip comparison.
13854
13855 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
13856
13857         PR c/35739
13858         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
13859         reg type.
13860
13861         PR tree-optimization/35899
13862         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
13863         rather than TREE_OPERAND.
13864
13865 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
13866
13867         PR target/35944
13868         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
13869         temporary registers.  Change operand predicate to general_operand.
13870         (remainderxf3): Ditto.
13871
13872 2008-04-16  Richard Guenther  <rguenther@suse.de>
13873
13874         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
13875         * tree-affine.c (aff_combination_expand): Look through some
13876         conversions.
13877
13878 2008-04-15  Doug Kwan  <dougkwan@google.com>
13879
13880         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
13881         for hex printing.
13882         * tree-pretty-print.c (dump_generic_node): Ditto.
13883         * final.c (output_addr_const): Ditto.
13884         * dwarf2out.c (output_cfi): Ditto.
13885         * c-pretty-print.c (pp_c_integer_constant): Ditto.
13886         * print-rtl.c (print_rtx): Ditto.
13887         * print-tree.c (print_node_brief, print_node): Ditto.
13888         * c-common.c (match_case_to_enum_1): Ditto.
13889         * sched-vis.c (print_value): Ditto.
13890         * config/i386/i386.c (print_operand): Cast to long unsigned int
13891         for hex printing.
13892
13893 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
13894         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
13895         MS Windows VirtualProtect function.
13896
13897 2008-04-15  Jan Hubicka  <jh@suse.cz>
13898
13899         * gengtype.c (write_root): Param_is argument is OK.
13900         * expr.c (expand_expr_real_1): Update call of get_exception_*.
13901         * function.h: Include varray.h
13902         (rtl_eh): New stucture based on except.c one.
13903         (call_site_record): New forward declaration and vector type.
13904         * calls.c (emit_call_1): Do not call
13905         note_current_region_may_contain_throw.
13906         * except.c (eh_status): Remove cur_region, try_region since they are
13907         unused.
13908         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
13909         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
13910         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
13911         Remove call_site_data_used, call_site_data_size.
13912         Turn call_site_record into vector in function.h.
13913         (note_current_region_may_contain_throw): Remove.
13914         (get_exception_pointer, get_exception_filter): Do not take struct
13915         function argument; update.
13916         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
13917         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
13918         build_post_landing_pads, dw2_build_landing_pads,
13919         sjlj_assign_call_site_values, sjlj_mark_call_sites,
13920         sjlj_emit_function_enter, sjlj_emit_function_enter,
13921         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
13922         sjlj_build_landing_pads, finish_eh_generation,
13923         remove_exception_handler_label, remove_eh_handler,
13924         maybe_remove_eh_handler, add_reachable_handler,
13925         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
13926         add_action_record, collect_one_action_chain, add_call_site,
13927         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
13928         sjlj_output_call_site_table, output_function_exception_table,
13929         * except.h (note_current_region_may_contain_throw): Remove
13930         (get_exception_pointer, get_exception_filter): Do not take struct
13931         function argument.
13932         * Makefile.in (GTFILES): Put varargs before struct function.
13933
13934 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13935
13936         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
13937         punt for STRING_CST.
13938         (get_constraint_for): Deal with STRING_CST here instead.
13939
13940 2008-04-15  Richard Guenther  <rguenther@suse.de>
13941
13942         * tree-ssa-propagate.c (substitute_and_fold): Substitute
13943         statements in a basic-block with a backward walk.  Do not
13944         substitute into dead statements but instead remove those.
13945
13946 2008-04-15  Richard Guenther  <rguenther@suse.de>
13947
13948         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
13949         to zero, thus disable creation of SFTs.
13950
13951 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
13952
13953         * tree-predcom.c (suitable_reference_p): Return false if the
13954         reference can throw.
13955
13956 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
13957
13958         PR c/35751
13959         * c-decl.c (finish_decl): If extern or static var has variable
13960         size, set TREE_TYPE (decl) to error_mark_node.
13961
13962 2008-04-15  Rafael Espindola  <espindola@google.com>
13963
13964         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
13965         variable arg1.
13966
13967 2008-04-15  Richard Guenther  <rguenther@suse.de>
13968
13969         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
13970         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
13971         (visit_reference_op_load): Do walk vuse-vdef chains on
13972         vn_reference_lookup.
13973         (visit_reference_op_store): But do not here.
13974         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
13975         vn_reference_lookup.
13976         (vn_lookup_with_vuses): But do so here.
13977
13978 2008-04-14  Ian Lance Taylor  <iant@google.com>
13979
13980         * fold-const.c (fold_overflow_warning): Remove assertion.
13981
13982 2008-04-15  Ben Elliston  <bje@au.ibm.com>
13983
13984         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
13985         temp1 local variables.
13986
13987 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
13988
13989         PR target/35661
13990         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
13991         ".text.unlikely" section as executable.
13992
13993 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
13994
13995         * config/ia64/ia64.c (rtx_needs_barrier): Handle
13996         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
13997         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
13998         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
13999         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
14000         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
14001         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
14002
14003 2008-04-14  Ian Lance Taylor  <iant@google.com>
14004
14005         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
14006         * fold-const.c (fold_comparison): If appropriate, test
14007         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
14008         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
14009         reassociating a pointer type.
14010         * doc/invoke.texi (Optimize Options): Document that
14011         -fstrict-overflow applies to pointer wraparound.
14012
14013 2008-04-13  Jan Hubicka  <jh@suse.cz>
14014
14015         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
14016
14017 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
14018
14019         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
14020         we are going to "save the world".
14021
14022 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
14023
14024         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
14025         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
14026         operand 0 constraint, not "=".
14027
14028 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
14029
14030         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
14031
14032 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14033
14034         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
14035         of size of positions_needed * CHAR_BIT.
14036
14037 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
14038
14039         PR middle-end/35897
14040         * dse.c (store_info): Change positions_needed to unsigned
14041         HOST_WIDE_INT.
14042         (lowpart_bitmask): New.
14043         (record_store): Cast to unsigned HOST_WIDE_INT for
14044         positions_needed.  Assert width <= size of positions_needed *
14045         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
14046         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
14047         lowpart_bitmask to set mask.
14048
14049 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
14050
14051         * config/bfin/constraints.md: New file.
14052         * config/bfin/bfin.md: Include it.
14053         (adddi3): Use satisfies_constraint functions instead of the old macros.
14054         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
14055         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
14056         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
14057         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
14058         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
14059         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
14060         EXTRA_CONSTRAINT): Delete.
14061         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
14062         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
14063         of the old macros.
14064         * config/bfin/bfin.c: Include "tm-constrs.h".
14065         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
14066         Use satisfies_constraint functions instead of the old macros.
14067         * doc/md.texi (Blackfin Constraints): Update file name reference.
14068
14069 2008-04-11  Richard Guenther  <rguenther@suse.de>
14070
14071         PR tree-optimization/35869
14072         * tree-vrp.c (execute_vrp): Move switch statement update after
14073         jump threading.  Schedule another cfg cleanup run.
14074
14075 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
14076
14077         PR c/35744
14078         * attribs.c (decl_attributes): Return early on errorneous node.
14079
14080 2008-04-10  Oleg Ryjkov  <olegr@google.com>
14081
14082         * tree.h (struct tree_base): Added a new flag default_def_flag.
14083         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
14084
14085 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
14086
14087         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
14088
14089 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14090
14091         PR target/35768
14092         * pa.md: Define mode iterator P.  Define mode attribute dwc.
14093         (dcacheflush): Update pattern to use iterator P and attribute dwc.
14094         (icacheflush): Likewise.
14095         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
14096         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
14097
14098 2008-04-11  Ben Elliston  <bje@au.ibm.com>
14099
14100         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
14101
14102 2008-04-10  Rafael Espindola  <espindola@google.com>
14103
14104         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
14105         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
14106         (extract_range_from_expr): The same.
14107
14108 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14109
14110         * config/mips/mips.md (GPR2): New mode iterator.
14111         (seq): Add comment.
14112         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
14113         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
14114         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
14115         Rewrite these to take two modes, the mode of comparison and the
14116         mode of the destination.
14117         * config/mips/mips.c (mips_expand_scc): Instead of having
14118         paradoxical subreg as destination, expand "narrowing" scc if mode
14119         of comparison is SI and target is requested in DI mode.
14120         (mips_emit_int_order_test): Update comment.  Make mode of
14121         comparison match CMP0 rather than TARGET.  When creating inverse
14122         target use mode of TARGET.
14123
14124 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
14125
14126         * gcov-dump.c (tag_summary): Only print summaries for the first
14127         GCOV_COUNTERS_SUMMABLE counters.
14128
14129 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
14130
14131         * config/i386/i386.md (absneg): New code iterator.
14132         (absnegprefix): New code attribute.
14133         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
14134         patterns using absneg code iterator.
14135         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
14136         using absneg code iterator.
14137         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
14138         *neg<mode>2 patterns using absneg code iterator.
14139         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14140         *negextendsfdf2 patterns using absneg code iterator.
14141         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
14142         *negextendsfxf2 patterns using absneg code iterator.
14143         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
14144         *negextendsfdf2 patterns using absneg code iterator.
14145         * config/i386/sse.md (<code><mode>2): Macroize expander from
14146         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
14147
14148 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
14149
14150         * config/s390/s390.h: Remove the remains of the recent search
14151         & replace action of current_function_outgoing_args_size.
14152
14153 2008-04-10  Ira Rosen  <irar@il.ibm.com>
14154
14155         PR tree-optimization/35821
14156         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
14157         NEW_STMT_LIST is not NULL.
14158
14159 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
14160
14161         PR libstdc++/35597
14162         * toplev.c (process_options): Remove -ffunction-sections debugging
14163         warning.
14164
14165 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
14166
14167         PR middle-end/PR28690
14168         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
14169         than gen_rtx_fmt_ee to perform more canonicalizations.
14170
14171 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14172
14173         PR driver/35665
14174         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
14175
14176 2008-04-09  Richard Guenther  <rguenther@suse.de>
14177
14178         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
14179         (dump_function_to_file): Dump function arguments with types.
14180
14181 2008-04-08  Richard Guenther  <rguenther@suse.de>
14182
14183         * fold-const.c (fold_widened_comparison): Do not allow
14184         sign-changes that change the result.
14185
14186 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
14187
14188         PR target/35839
14189         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
14190         kinds of indirect references.
14191
14192 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
14193
14194         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
14195         GNU Fortran language string.
14196
14197 2008-04-08  Rafael Espindola  <espindola@google.com>
14198
14199         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
14200         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
14201         * tree.h (tree_call_nonnegative_warnv_p): New.
14202
14203 2008-04-08  Jan Hubicka  <jh@suse.cz>
14204
14205         * function.c (free_after_compilation): Clear out regno_reg_rtx
14206         pointer.
14207
14208 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
14209
14210         Revert
14211         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14212
14213         PR middle-end/PR28690
14214         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
14215         same precedence as REG_POINTER and MEM_POINTER operands.
14216
14217 2008-04-08  Richard Guenther  <rguenther@suse.de>
14218
14219         PR middle-end/35834
14220         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
14221         for adding index to base.
14222
14223 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
14224
14225         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
14226         (MINGW_ENABLE_EXECUTE_STACK): New.
14227         (IN_LIBGCC2): For libgcc include windows.h file for
14228         function declarations.
14229
14230 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
14231
14232         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
14233         and tem2 if tem1 is not a REG or MULT.
14234
14235 2008-04-08  Jan Hubicka  <jh@suse.cz>
14236
14237         * function.h (incomming_args): Break out of struct function.
14238         (function_subsections): Break out of struct function.
14239         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
14240         return_rtx and hard_reg_initial_vals from struct function.
14241         Kill inl_max_label_num.
14242         (current_function_pops_args, current_function_args_info,
14243         current_function_args_size, current_function_args_size,
14244         current_function_pretend_args_size,
14245         current_function_outgoing_args_size,
14246         current_function_internal_arg_pointer, current_function_return_rtx):
14247         Kill compatibility accestor macros.
14248         * builtins.c (expand_builtin_apply_args_1): Update.
14249         (expand_builtin_next_arg): Update.
14250         * df-scan.c (df_get_call_refs): Update.
14251         * dbxout.c (dbxout_function_end): Update.
14252         * dwarf2out.c (dwarf2out_switch_text_section): Update.
14253         (output_line_info): Update.
14254         (secname_for_decl): Update.
14255         (dwarf2out_var_location): Update.
14256         * function.c (free_after_compilation): Update.
14257         (assign_parm_find_stack_rtl): Update.
14258         (assign_parms): Update.
14259         (expand_dummy_function_end): Update.
14260         (expand_function_end): Update.
14261         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
14262         (expand_call): Update.
14263         (emit_library_call_value_1): Update.
14264         (store_one_arg): Update.
14265         * varasm.c (initialize_cold_section_name): Update.
14266         (unlikely_text_section): Update.
14267         (unlikely_text_section_p): Update.
14268         (assemble_start_function): Update.
14269         (assemble_end_function): Update.
14270         (default_section_type_flags): Update.
14271         (switch_to_section): Update.
14272         * integrate.c (set_decl_abstract_flags): Update.
14273         (get_hard_reg_initial_val): Update.
14274         (has_hard_reg_initial_val): Update.
14275         (allocate_initial_values): Update.
14276         * resource.c (init_resource_info): Update.
14277         * config/alpha/alpha.c (NUM_ARGS): Update.
14278         (direct_return): Update.
14279         (alpha_va_start): Update.
14280         (alpha_sa_size): Update.
14281         (alpha_initial_elimination_offset): Update.
14282         (alpha_expand_prologue): Update.
14283         (alpha_start_function): Update.
14284         (alpha_expand_epilogue): Update.
14285         (unicosmk_initial_elimination_offset):
14286         * config/alpha/alpha.md (call expander): Update.
14287         * config/s390/s390.c (s390_register_info): Update.
14288         (s390_register_info): Update.
14289         (s390_frame_info): Update.
14290         (s390_initial_elimination_offset): Update.
14291         (s390_build_builtin_va_list): Update.
14292         (s390_va_start): Update.
14293         * config/spu/spu.c (direct_return): Update.
14294         (spu_expand_prologue): Update.
14295         (spu_initial_elimination_offset): Update.
14296         (spu_build_builtin_va_list): Update.
14297         (spu_va_start): Update.
14298         * config/sparc/sparc.c (sparc_init_modes): Update.
14299         (sparc_compute_frame_size): Update.
14300         (function_value): Update.
14301         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
14302         * config/i386/i386.md (return expander): Update.
14303         * config/i386/i386.c (ix86_va_start): Update.
14304         (ix86_can_use_return_insn_p): Update.
14305         (ix86_compute_frame_layout): Update.
14306         (ix86_expand_epilogue): Update.
14307         * config/sh/sh.c (output_stack_adjust): Update.
14308         (calc_live_regs): Update.
14309         (sh_expand_prologue): Update.
14310         (sh_builtin_saveregs): Update.
14311         (sh_va_start): Update.
14312         (initial_elimination_offset): Update.
14313         (sh_allocate_initial_value): Update.
14314         (sh_function_ok_for_sibcall): Update.
14315         (sh_get_pr_initial_val): Update.
14316         * config/sh/sh.md (return expander): Update.
14317         * config/avr/avr.c (frame_pointer_required_p): UPdate.
14318         * config/crx/crx.c (crx_compute_frame): UPdate.
14319         (crx_initial_elimination_offset): UPdate.
14320         * config/xtensa/xtensa.c (compute_frame_size): Update
14321         (xtensa_builtin_saveregs): Update.
14322         (xtensa_va_start): Update.
14323         (order_regs_for_local_alloc): Update.
14324         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
14325         (xstormy16_expand_builtin_va_start): Update.
14326         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
14327         * config/m68hc11/m68hc11.md (return expanders): Update.
14328         * config/m68hc11/m68hc11.c (expand_prologue): Update.
14329         (expand_epilogue): Update.
14330         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
14331         (cris_simple_epilogue): Update.
14332         (cris_expand_prologue): Update.
14333         (cris_expand_epilogue): Update.
14334         * config/iq2000/iq2000.c (iq2000_va_start): Update.
14335         (compute_frame_size): Update.
14336         * config/mt/mt.c (mt_compute_frame_size): Update.
14337         * config/mn10300/mn10300.c (expand_prologue): Update.
14338         (expand_epilogue): Update.
14339         (initial_offset): Update.
14340         (mn10300_builtin_saveregs):
14341         * config/mn10300/mn10300.md (return expander): Update.
14342         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14343         (ia64_initial_elimination_offset): Update.
14344         (ia64_initial_elimination_offset): Update.
14345         (ia64_expand_prologue): Update.
14346         * config/m68k/m68k.md (return expander): Update.
14347         * config/rs6000/rs6000.c (rs6000_va_start): Update.
14348         (rs6000_stack_info): Update.
14349         * config/mcore/mcore.c (layout_mcore_frame): Update.
14350         (mcore_expand_prolog): Update.
14351         * config/arc/arc.c (arc_compute_frame_size): Update.
14352         * config/score/score3.c (score3_compute_frame_size): Update.
14353         * config/score/score7.c (score7_compute_frame_size): Update.
14354         * config/arm/arm.c (use_return_insn): Update.
14355         (thumb_find_work_register): Update.
14356         (arm_compute_save_reg_mask): Update.
14357         (arm_output_function_prologue): Update.
14358         (arm_output_epilogue): Update.
14359         (arm_size_return_regs): Update.
14360         (arm_get_frame_offsets): Update.
14361         (arm_expand_prologue): Update.
14362         (thumb_exit): Update.
14363         (thumb_unexpanded_epilogue): Update.
14364         (thumb1_output_function_prologue): Update.
14365         * config/pa/pa.md (return expander): Update.
14366         * config/pa/pa.c (compute_frame_size): Update.
14367         (hppa_builtin_saveregs): Update.
14368         * config/mips/mips.c (mips_va_start): Update.
14369         (mips16_build_function_stub): Update.
14370         (mips_compute_frame_info): Update.
14371         (mips_restore_gp): Update.
14372         (mips_output_function_prologue): Update.
14373         (mips_expand_prologue): Update.
14374         * config/v850/v850.c (compute_frame_size): Update.
14375         (expand_prologue): * config/mmix/mmix.c (along): update.
14376         (mmix_initial_elimination_offset): update.
14377         (mmix_reorg): update.
14378         (mmix_use_simple_return): update.
14379         (mmix_expand_prologue): update.
14380         (mmix_expand_epilogue): Update.
14381         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
14382         (emit_link_insn): Update.
14383
14384 2008-04-08  Anatoly Sokolov <aesok@post.ru>
14385
14386         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
14387         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
14388         instructions.
14389         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
14390         atmega103 device.
14391
14392 2008-04-07  Jan Hubicka  <jh@suse.cz>
14393
14394         * function.h (rtl): Rename to x_rtl.
14395         (crtl): New define.
14396         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
14397         frame_offset, stack_check_probe_note, arg_pointer_save_area,
14398         used_temp_slots avail_temp_slots, temp_slot_level,
14399         nonlocal_goto_handler_labels): Update accesstors.
14400         (rtl): New global variable.
14401         (struct function): Move some fileds to rtl_data.
14402         (get_arg_pointer_save_area): Update prototype.
14403         * builtins.c (expand_builtin_setjmp_receiver): Update call of
14404         get_arg_pointer_save_area.
14405         * expr.c (init_expr): Update
14406         * function.c (get_frame_size): Update
14407         (assign_stack_local): Update
14408         (expand_function_end): Update.
14409         (get_art_pointer_save_area): Update
14410         * function.h
14411         * emit-rtl.c (rtl): Declare.
14412         (regno_reg_rtx): Declare.
14413         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
14414         Update.
14415         (gen_reg_rtx): Update.
14416         * varasm.c (n_deferred_constatns): Update accestor.
14417         (init_varasm_status): Do not allocate varasm_status.
14418         (force_const_mem, get_pool_size, output_constant_pool): Update.
14419         * stmt.c (force_label_rtx): Do not use x_ prefixes.
14420         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
14421         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
14422         * sparc/sparc.h (INIT_EXPANDERS): Update.
14423         * ia64/ia64.h (INIT_EXPANDERS): Update.
14424
14425 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
14426
14427         * reload.c (push_secondary_reload): Add missing break to for loop.
14428
14429 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
14430
14431         PR middle-end/PR28690
14432         * rtlanal.c: Update copyright years.
14433         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
14434         as REG_POINTER and MEM_POINTER operands.
14435         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
14436         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
14437         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
14438         * gcse.c: Update copyright years.
14439         (pre_delete): Call gen_reg_rtx_and_attrs.
14440         (hoist_code): Likewise.
14441         (build_store_vectors): Likewise.
14442         (delete_store): Likewise.
14443         * loop-invariant.c (move_invariant_reg): Likewise.
14444         Update copyright years.
14445
14446 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
14447
14448         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
14449         control string instead of quoted.
14450
14451 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
14452
14453         * doc/rtl.texi: Rewrite of subreg section.
14454
14455 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
14456
14457         PR/35842
14458         * config/i386/i386.c (legitimize_pic_address): Add treating
14459         of dllimport SYM_REF's.
14460         (legitimize_dllimport_symbol): Add prototype.
14461
14462 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14463
14464         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
14465         reference in constructor with non self-referential type.
14466
14467 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
14468
14469         Removal of Return with Depressed Stack Pointer support
14470         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
14471         (ECF_SP_DEPRESSED): Likewise.
14472         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
14473         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
14474         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14475         (expand_call): Do not test ECF_SP_DEPRESSED.
14476         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14477         * function.c (keep_stack_depressed): Delete.
14478         (handle_epilogue_set): Likewise.
14479         (update_epilogue_consts): Likewise.
14480         (emit_equiv_load): Likewise.
14481         (thread_prologue_and_epilogue_insns): Remove support for Return with
14482         Depressed Stack Pointer.
14483         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
14484
14485 2008-04-06  Richard Guenther  <rguenther@suse.de>
14486
14487         PR tree-optimization/35400
14488         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
14489         information from SSA_NAMEs.
14490
14491 2008-04-06  Anatoly Sokolov <aesok@post.ru>
14492
14493         * config/avr/avr.h (avr_mega_p): Remove declaration.
14494         (AVR_MEGA): Remove macro.
14495         * config/avr/avr.c (avr_mega_p): Remove variable.
14496         (avr_override_options): Remove inicializion of avr_mega_p.
14497         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14498         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
14499         (avr_jump_mode): (Ditto.).
14500         (avr_output_progmem_section_asm_op): (Ditto.).
14501         (avr_asm_init_sections): (Ditto.).
14502         (avr_asm_init_sections): (Ditto.).
14503         (avr_rtx_costs): (Ditto.).
14504         * config/avr/avr.md: (Ditto.).
14505         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
14506         '__AVR_MEGA__'.
14507
14508 2008-04-06  Richard Guenther  <rguenther@suse.de>
14509
14510         PR tree-optimization/35842
14511         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
14512         is_gimple_invariant_address.
14513
14514 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
14515
14516         * gcc.c (default_compilers): Sync Fortran extensions list with
14517         that in fortran/lang-specs.h.
14518         * doc/invoke.texi: Likewise.
14519         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
14520         * dwarf2out.c (gen_compile_unit_die): Likewise.
14521
14522 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
14523
14524         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
14525
14526 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
14527
14528         PR target/12329
14529         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
14530         attribute is used for nested functions.
14531
14532 2008-04-05  Jan Hubicka  <jh@suse.cz>
14533
14534         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
14535
14536         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
14537         letter argument.
14538         (dump_files): Update.
14539         (enable_rtl_dump_file): Do not accept letter argument.
14540         * tree-pass.h (dump_file_info): Remove letter argument.
14541         * toplev.c (decode_d_option): Update -da handling.
14542         * toplev.h (enable_rtl_dump_file): Update prototype.
14543         * passes.c (register_one_dump_file): Do not accept IPA argument; work
14544         it out based on pass type.
14545         (register_dump_files_1): Likewise.
14546         (init_optimization_passes): Update register_one_dump_file calls.
14547         (execute_one_pass): Sanity check that IPA passes are called at IPA
14548         level and RTL passes at RTL level.
14549         (execute_pass_list): IPA pass can not be after or subpass of
14550         GIMPLE/RTL pass.
14551         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
14552         disallov RTL subpasses of IPA subpasses.
14553
14554 2008-04-05  Ben Elliston  <bje@au.ibm.com>
14555
14556         * tree-cfg.c (need_fake_edge_p): Return false for calls to
14557         builtins that return exactly once and do not throw. Cache call to
14558         call_expr_flags.
14559
14560 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
14561
14562         PR rtl-optimization/34916
14563         PR middle-end/35519
14564         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
14565         between instruction pairs.
14566
14567 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
14568
14569         * doc/invoke.texi: Document -mbitops for SH.
14570         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
14571         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
14572         * config/sh/sh.c (print_operand): Add %t operand code.
14573         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
14574         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
14575         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
14576         (extendqihi2): Likewise.
14577         (movqi_i): Likewise.
14578         (insv): Use bset, bclr and bst instructions for SH2A if possible.
14579         (extv): Use bld instruction for SH2A if possible.
14580         (extzv): Likewise.
14581         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
14582         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
14583         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
14584         (bset.b, bclr.b): Define peepholes.
14585         * config/sh/sh.opt (mbitops): New option.
14586
14587 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
14588
14589         PR target/35620
14590         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
14591         and view convert expression.
14592
14593 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14594
14595         PR target/35364
14596         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
14597
14598 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
14599
14600         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
14601
14602         * config/i386/cpuid.h (bit_AES): New.
14603         (bit_PCLMUL): Likewise.
14604
14605         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
14606         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
14607         SSE2 if AES or PCLMUL is enabled.
14608         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
14609         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14610         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
14611         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
14612         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
14613         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
14614         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
14615         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
14616         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
14617         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
14618         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
14619         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
14620         __builtin_ia32_aeskeygenassist128 and
14621         __builtin_ia32_pclmulqdq128.
14622         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
14623         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
14624         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
14625
14626         * config/i386/i386.h (TARGET_AES): New.
14627         (TARGET_PCLMUL): Likewise.
14628         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
14629
14630         * config/i386/i386.md (UNSPEC_AESENC): New.
14631         (UNSPEC_AESENCLAST): Likewise.
14632         (UNSPEC_AESDEC): Likewise.
14633         (UNSPEC_AESDECLAST): Likewise.
14634         (UNSPEC_AESIMC): Likewise.
14635         (UNSPEC_AESKEYGENASSIST): Likewise.
14636         (UNSPEC_PCLMUL): Likewise.
14637
14638         * config/i386/i386.opt (maes): New.
14639         (mpclmul): Likewise.
14640
14641         * config/i386/sse.md (aesenc): New pattern.
14642         (aesenclast): Likewise.
14643         (aesdec): Likewise.
14644         (aesdeclast): Likewise.
14645         (aesimc): Likewise.
14646         (aeskeygenassist): Likewise.
14647         (pclmulqdq): Likewise.
14648
14649         * config/i386/wmmintrin.h: New.
14650
14651         * doc/extend.texi: Document AES and PCLMUL built-in function.
14652
14653         * doc/invoke.texi: Document -maes and -mpclmul.
14654
14655 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
14656
14657         * function.c (free_after_parsing): Replace with
14658         cxx_push_function_context from C++ front-end.
14659         (allocate_struct_function): Don't call langhook.
14660         * langhooks.h (struct lang_hooks_for_functions): Delete.
14661         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
14662         member "function".
14663         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
14664         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
14665         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
14666         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
14667         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
14668         remove LANG_HOOKS_FUNCTION_INITIALIZER.
14669         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
14670
14671         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
14672         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
14673
14674 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
14675
14676         PR c/35440
14677         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
14678         for all types.
14679
14680 2008-04-04  Richard Guenther  <rguenther@suse.de>
14681
14682         PR middle-end/35823
14683         * fold-const.c (optimize_minmax_comparison): Use the correct
14684         type for the constant in the simplified comparison.
14685
14686 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
14687
14688         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
14689         Pass L2 size as "--param l2-cache-size" to the compiler.
14690         (decode_l2_cache): New function to decode L2 cache parameters using
14691         0x8000006 extended cpuid function.
14692         (detect_caches_amd): Determine parameters of L2 cache using
14693         decode_l2_caches function.
14694         (decode_caches_intel): Decode L2 cache parameters.
14695         (detect_caches_intel): Determine L2 cache parameters using
14696         decode_caches_intel and decode_l2_caches functions.
14697
14698 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
14699
14700         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
14701         secondary input reload for subword loads from the constant pool.
14702
14703 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
14704
14705         PR target/35713
14706         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
14707           constants of the appropriate size for runtime calculations.
14708
14709         PR c/35712
14710         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
14711           decimal-float literal constant zero.
14712
14713 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
14714
14715         PR c/35738
14716         * c-parser.c (c_parser_omp_atomic): Call
14717         default_function_array_conversion on the RHS.
14718
14719         PR middle-end/35818
14720         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
14721         call is_variable_sized if decl has incomplete type.
14722
14723 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
14724
14725         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
14726
14727 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
14728
14729         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
14730         iterators.
14731         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
14732         (sgt<u>): Merge sgt and sgtu into new expander.
14733         (sgt, sgtu): Remove expanders.
14734         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
14735         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
14736         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
14737         *sgtu_<mode>_mips16 into new pattern.
14738         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
14739         (sge<u>): Merge sge and sgeu into new expander.
14740         (sge, sgeu): Remove expanders.
14741         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
14742         new pattern.
14743         (*sge_<mode>, second *sge_<mode>): Remove patterns.
14744         (slt<u>): Merge slt and sltu into new expander.
14745         (slt, sltu): Remove expanders.
14746         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
14747         (*slt_<mode>, *sltu_<mode>): Remove patterns.
14748         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
14749         *sltu_<mode>_mips16 into new pattern.
14750         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
14751         (sle<u>): Merge sle and sleu into new expander.
14752         (sle, sleu): Remove expanders.
14753         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
14754         (*sle_<mode>, *sleu_<mode>): Remove patterns.
14755         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
14756         *sleu_<mode>_mips16 into new pattern.
14757         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
14758
14759 2008-04-03  Jan Hubicka  <jh@suse.cz>
14760
14761         PR tree-optimization/35795
14762         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
14763         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
14764         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
14765         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
14766         * score/score3.c (score3_output_mi_thunk): Likewise.
14767         * score/score7.c (score7_output_mi_thunk): Likewise.
14768         * mips/mips.c (mips_output_mi_thunk): Likewise.
14769
14770 2008-04-03  Richard Guenther  <rguenther@suse.de>
14771
14772         * tree-vrp.c (extract_range_from_unary_expr): Handle all
14773         conversions.  Simplify code.
14774
14775 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
14776
14777         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
14778
14779 2008-04-03  Tom Tromey  <tromey@redhat.com>
14780             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14781
14782         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
14783         * config/bfin/t-bfin-linux (generated_files): Add
14784         linux-sysroot-suffix.h.
14785         * doc/install.texi (Prerequisites): Require make 3.80.
14786         * doc/sourcebuild.texi (Front End Directory): Document new
14787         variable.
14788         * Makefile.in (generated_files): New variable.
14789         (ALL_HOST_OBJS): New variable.
14790         ($(ALL_HOST_OBJS)): New target.
14791
14792 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14793
14794         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
14795         (remap_block): Call id->transform_lang_insert_block instead
14796         of langhook.
14797         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
14798         Set id.transform_lang_insert_block to NULL.
14799         (clone_body): Move to cp/optimize.c
14800         * tree-inline.h (struct copy_body_data): Change
14801         transform_lang_insert_block to function pointer.
14802         (copy_generic_body, copy_decl_no_change): Export.
14803         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
14804         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
14805         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
14806
14807         * c-tree.h (insert_block): Kill.
14808         * c-decl.c (insert_block): Kill.
14809
14810 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
14811
14812         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14813         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14814         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
14815         argument.
14816         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
14817         argument, call {push,pop}_function_context from here.
14818         * c-parser.c: Use c_{push,pop}_function_context.
14819
14820         * function.c (push_function_context_to): Move meat ...
14821         (push_function_context): ... here.  Simplify.
14822         * function.c (pop_function_context_from): Move meat ...
14823         (pop_function_context): ... here.  Simplify.
14824         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
14825         leave_nested).
14826         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
14827         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
14828         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
14829         * tree.h (push_function_context_to, pop_function_context_from): Remove.
14830
14831 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14832
14833         * expmed.c (extract_force_align_mem_bit_field): Remove.
14834
14835 2008-04-03  Richard Guenther  <rguenther@suse.de>
14836
14837         PR middle-end/35800
14838         * expr.h (try_casesi): Adjust prototype.
14839         * expr.c (try_casesi): Take fallback label as extra parameter.
14840         Use that for gen_casesi if default_label is NULL.
14841         * stmt.c (expand_case): Pass fallback label to try_casesi,
14842         make sure to fill gaps with a fallback label if default_label
14843         is not present.
14844
14845 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
14846
14847         PR target/35801
14848         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
14849
14850 2008-04-03  Ben Elliston  <bje@au.ibm.com>
14851
14852         * expmed.c (extract_split_bit_field): Remove if (0) code.
14853         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
14854         (do_ds_constraint): Likewise.
14855
14856 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
14857
14858         * doc/cppopts.texi (-dU): Document.
14859         * c-common.h (flag_dump_macros): Update comment.
14860         * c-opts.c (handle_OPT_d): Handle -dU.
14861         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
14862         dump_queued_macros, cb_used_define, cb_used_undef): New.
14863         (init_pp_output): Handle -dU.
14864         (cb_line_change): Call dump_queued_macros.
14865         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
14866
14867 2008-04-02  Anatoly Sokolov <aesok@post.ru>
14868
14869         * config/avr/predicates.md (io_address_operand): New predicate.
14870         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
14871         * config/avr/avr.c (avr_io_address_p): Remove function.
14872         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
14873         'avr_io_address_p' function.
14874         (out_movhi_r_mr): (Ditto.).
14875         (out_movqi_mr_r): (Ditto.).
14876         (out_movhi_mr_r): (Ditto.).
14877         (avr_address_cost): (Ditto.).
14878
14879 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
14880
14881         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
14882         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
14883         in 32bit mode when XMM registers are available to avoid store
14884         forwarding stalls.
14885         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
14886         corresponding post-reload splitters.
14887
14888 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14889
14890         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
14891         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
14892         __builtin_ia32_roundss.
14893         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
14894         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
14895         __builtin_ia32_roundss.
14896         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
14897         IX86_BUILTIN_SHUFPD here.
14898
14899 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
14900
14901         * config/i386/i386.md (plogic): New.
14902         (plogicprefix): Likewise.
14903
14904         * config/i386/mmx.md (mmx_<code><mode>3): New.
14905         (mmx_and<mode>3): Removed.
14906         (mmx_ior<mode>3): Likewise.
14907         (mmx_xor<mode>3): Likewise.
14908
14909         * config/i386/sse.md (<code><mode>3): New.
14910         (*<code><mode>3): Likewise.
14911         (*<code><mode>3): Likewise.
14912         (<code><mode>3): Likewise.
14913         (*sse_<code><mode>3): Likewise.
14914         (*sse2_<code><mode>3): Likewise.
14915         (<code>tf3): Likewise.
14916         (*<code>tf3): Likewise.
14917         (and<mode>3): Likewise.
14918         (*and<mode>3): Likewise.
14919         (ior<mode>3): Removed.
14920         (*ior<mode>3): Likewise.
14921         (xor<mode>3): Likewise.
14922         (*xor<mode>3): Likewise.
14923         (*and<mode>3): Likewise.
14924         (*ior<mode>3): Likewise.
14925         (*xor<mode>3): Likewise.
14926         (and<mode>3): Likewise.
14927         (*sse_and<mode>3): Likewise.
14928         (*sse2_and<mode>3): Likewise.
14929         (andtf3): Likewise.
14930         (*andtf3): Likewise.
14931         (ior<mode>3): Likewise.
14932         (*sse_ior<mode>3): Likewise.
14933         (*sse2_ior<mode>3): Likewise.
14934         (iortf3): Likewise.
14935         (*iortf3): Likewise.
14936         (xor<mode>3): Likewise.
14937         (*sse_xor<mode>3): Likewise.
14938         (*sse2_xor<mode>3): Likewise.
14939         (xortf3): Likewise.
14940         (*xortf3): Likewise.
14941
14942 2008-04-02  Richard Guenther  <rguenther@suse.de>
14943
14944         PR tree-optimization/14495
14945         PR tree-optimization/34793
14946         * tree-vrp.c (struct switch_update): New structure.
14947         (to_remove_edges, to_update_switch_stmts): New VECs.
14948         (simplify_switch_using_ranges): New function.  Remove not taken
14949         case labels and edges.
14950         (simplify_stmt_using_ranges): Call it.
14951         (identify_jump_threads): Mark edges we have queued for removal
14952         so we don't thread them.
14953         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
14954         case label vector.
14955         * tree-cfg.c (group_case_labels): Deal with missing default label.
14956         (tree_verify_flow_info): Allow missing default label.
14957         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
14958         (emit_case_nodes): Likewise.
14959         (expand_case): Do not rely on the default label to be present.
14960         * expr.c (try_casesi): Deal with NULL default_label.
14961         (do_tablejump): Likewise.
14962
14963 2008-04-02  Richard Guenther  <rguenther@suse.de>
14964
14965         PR tree-optimization/14495
14966         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
14967         SWITCH_EXPR here ...
14968         (vrp_visit_switch_stmt): ... but here (new function).
14969         (find_case_label_index): New helper function.
14970         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
14971
14972 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14973
14974         * fwprop.c: Fix ISO-C99ism.
14975
14976 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14977
14978         PR bootstrap/35752
14979         * Makefile.in (objdir): Set it here.
14980         * configure.ac: Not here.  Find dynamic linker characteristics.
14981         * exec-tool.in: Use them.
14982         * aclocal.m4: Regenerate.
14983         * configure: Regenerate.
14984
14985 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
14986
14987         * expr.c (expand_var): Delete it.
14988         * expr.h (expand_var): Delete prototype.
14989         * function.c (expand_function_start): Use expand_decl instead.
14990         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
14991         langhook.
14992
14993 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
14994
14995         PR rtl-optimization/35542
14996         * fwprop.c (forward_propagate_and_simplify): Replace
14997         loc_reg_mentioned_in_p with reg_mentioned_p.
14998
14999 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
15000
15001         PR rtl-optimization/35281
15002         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
15003         (propagate_rtx_1): Handle PR_HANDLE_MEM.
15004         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
15005         (varying_mem_p): Move above propagate_rtx.
15006         (all_uses_available_at): Do not check MEMs.
15007
15008 2008-04-02  Rafael Espindola  <espindola@google.com>
15009
15010         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
15011         (register_edge_assert_for_2): Split the cond argument.
15012         (register_edge_assert_for_1): Adjust for the change in
15013         register_edge_assert_for_2.
15014         (register_edge_assert_for): Split the cond argument.
15015         (find_switch_asserts): Adjust for the change in
15016         register_edge_assert_for.
15017
15018 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
15019
15020         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
15021         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
15022         offsets for 64-bit mingw.
15023         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
15024         abi for x86_64-pc-mingw.
15025
15026 2008-04-02  Richard Guenther  <rguenther@suse.de>
15027
15028         * tree-vrp.c (extract_range_from_assert): Make sure to not
15029         produce range min/max with TREE_OVERFOW set.
15030         If merging a anti-range and a range keep the anti-range if
15031         the range covers all values of the type.
15032         (register_edge_assert_for_2): Only allow sign-changing
15033         conversions in detecting canonical range checks.  Also
15034         register an assert for the unsigned name if useful.
15035
15036         PR tree-optimization/35787
15037         * tree-vrp.c (vrp_val_max): New function.
15038         (vrp_val_min): Likewise.
15039         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
15040         (vrp_val_is_min): Likewise.
15041         (supports_overflow_infinity): Use vrp_val_{min,max}.
15042         (negative_overflow_infinity): Likewise.
15043         (positive_overflow_infinity): Likewise.
15044         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
15045         (is_positive_overflow_infinity): Likewise.
15046         (is_overflow_infinity): Likewise.
15047         (avoid_overflow_infinity): Use vrp_val_{min,max} and
15048         vrp_val_is_{min,max}.
15049         (set_and_canonicalize_value_range): Canonicalize anti-ranges
15050         to ranges if possible.  Avoid empty ranges.
15051
15052 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15053
15054         PR middle-end/35705
15055         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
15056         the expression is a function address.
15057
15058 2008-04-01  George Helffrich  <george@gcc.gnu.org>
15059
15060         PR fortran/35154, fortran/23057
15061         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
15062         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
15063         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
15064         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
15065         in common.
15066         (dbxout_syms): Check for COMMON-based symbol and wrap in
15067         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
15068         in bracket for efficiency.
15069
15070         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
15071         using DW_TAG_common_block + member offset.
15072         (add_pubname_string): New function.
15073         (dw_expand_expr): New function to find block name and offset for
15074         COMMON var.
15075         (common_check): New function to check whether symbol in Fortran COMMON.
15076         (gen_variable_die): If COMMON, use DW_TAG_common_block.
15077
15078 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
15079
15080         PR c/35436
15081         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
15082
15083 2008-04-02  Ben Elliston  <bje@au.ibm.com>
15084
15085         * config/v850/v850.md (casesi): Remove if (0) code.
15086         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15087         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
15088
15089 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
15090
15091         * config/i386/i386.md (rex64suffix): New mode attribute.
15092         (floathi<mode>2): Disable expander for SSE math.
15093         (*floathi<mode>2_1): New insn insn_and_split pattern.
15094         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
15095         corresponding post-reload splitters.
15096         (*floathi<mode>2_i387): New macroized insn pattern.
15097         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
15098         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
15099         insn_and_split pattern.
15100         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
15101         New macroized instruction patterns and corresponding post-reload
15102         splitters.
15103         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
15104         and corresponding post-reload splitters.
15105         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
15106         New macroized instruction patterns.
15107         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
15108         macroized instruction patterns and corresponding post-reload splitters.
15109         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
15110         corresponding post-reload splitters.
15111         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
15112         New macroized instruction patterns.
15113         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
15114         corresponding post-reload splitters.
15115         (*floatsi<mode>2_i387): New macroized instruction patterns.
15116
15117 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
15118
15119         * config/i386/i386.md (smaxmin): New.
15120         (umaxmin): Likewise.
15121         (maxminiprefix): Likewise.
15122         (maxminfprefix): Likewise.
15123         (<code><mode>3): Likewise.
15124         (smin<mode>3): Removed.
15125         (smax<mode>3): Likewise.
15126
15127         * config/i386/mmx.md (mmx_<code>v2sf3): New.
15128         (mmx_<code>v4hi3): Likewise.
15129         (mmx_<code>v8qi3): Likewise.
15130         (mmx_smaxv2sf3): Removed.
15131         (mmx_sminv2sf3): Likewise.
15132         (mmx_umaxv8qi3): Likewise.
15133         (mmx_smaxv4hi3): Likewise.
15134         (mmx_uminv8qi3): Likewise.
15135         (mmx_sminv4hi3): Likewise.
15136
15137         * config/i386/sse.md (<addsub><mode>3): New.
15138         (*<addsub><mode>3): Likewise.
15139         (<sse>_vm<addsub><mode>3): Likewise.
15140         (<maxmin><mode>3): Likewise.
15141         (*<maxmin><mode>3_finite): Likewise.
15142         (*<maxmin><mode>3): Likewise.
15143         (<sse>_vm<maxmin><mode>3): Likewise.
15144         (sse3_h<addsub>v4sf3): Likewise.
15145         (sse3_h<addsub>v2df3): Likewise.
15146         (<maxmin>v16qi3): Likewise.
15147         (*<maxmin>v16qi3): Likewise.
15148         (<maxmin>v8hi3): Likewise.
15149         (*<maxmin>v8hi3): Likewise.
15150         (*sse4_1_<maxmin><mode>3): Likewise.
15151         (*sse4_1_<maxmin><mode>3): Likewise.
15152         (add<mode>3): Removed.
15153         (*add<mode>3): Likewise.
15154         (<sse>_vmadd<mode>3): Likewise.
15155         (sub<mode>3): Likewise.
15156         (*sub<mode>3): Likewise.
15157         (<sse>_vmsub<mode>3): Likewise.
15158         (smin<mode>3): Likewise.
15159         (*smin<mode>3_finite): Likewise.
15160         (*smin<mode>3): Likewise.
15161         (<sse>_vmsmin<mode>3): Likewise.
15162         (smax<mode>3): Likewise.
15163         (*smax<mode>3_finite): Likewise.
15164         (*smax<mode>3): Likewise.
15165         (<sse>_vmsmax<mode>3): Likewise.
15166         (sse3_haddv4sf3): Likewise.
15167         (sse3_haddv2df3): Likewise.
15168         (sse3_hsubv4sf3): Likewise.
15169         (sse3_hsubv2df3): Likewise.
15170         (umaxv16qi3): Likewise.
15171         (*umaxv16qi3): Likewise.
15172         (smaxv8hi3): Likewise.
15173         (*smaxv8hi3): Likewise.
15174         (*sse4_1_smax<mode>3): Likewise.
15175         (*sse4_1_umax<mode>3): Likewise.
15176         (uminv16qi3): Likewise.
15177         (*uminv16qi3): Likewise.
15178         (sminv8hi3): Likewise.
15179         (*sminv8hi3): Likewise.
15180         (*sse4_1_smin<mode>3): Likewise.
15181         (*sse4_1_umin<mode>3): Likewise.
15182
15183 2008-04-01  Rafael Espindola  <espindola@google.com>
15184
15185         * tree-cfg.c (verify_expr): remove in_phi.
15186         (verify_stmt): Don't call walk_tree with verify_expr. Use
15187         is_gimple_min_invariant instead of is_gimple_val.
15188
15189 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
15190
15191         * doc/include/gpl_v3.texi: Update for manpage generation.
15192         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
15193         gpl.texi.
15194         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
15195         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
15196         gpl_v3.texi instead of gpl.texi.
15197         (gpl.pod): New.
15198
15199 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
15200
15201         PR pch/13675
15202         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
15203
15204 2008-04-01  Rafael Espindola  <espindola@google.com>
15205
15206         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
15207         (extract_code_and_val_from_cond): Use
15208         extract_code_and_val_from_cond_with_ops.
15209
15210 2008-04-01  Jan Hubicka  <jh@suse.cz>
15211
15212         * function.c (free_after_compilation): Free epilogue_delay_list.
15213         (prepare_function_start): Assert that previous compilation was freed.
15214
15215 2008-04-01  Jan Hubicka  <jh@suse.cz>
15216             Jim Wilson  <wilson@tuliptree.org>
15217             Andreas Tobler <andreast@gcc.gnu.org>
15218
15219         PR middle-end/35781
15220         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
15221         rtl.emit instead cfun->emit.
15222         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
15223         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
15224
15225 2008-04-01  Ben Elliston  <bje@au.ibm.com>
15226
15227         * doc/c-tree.texi (Function Basics): Fix grammatical error.
15228
15229 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
15230
15231         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
15232         New options
15233         (fprofile-use): Add var flag_profile_use
15234         * coverage.c (coverage_begin_output): Do not open a gcno file for
15235         output only if -ftest-coverage is set.
15236         Do not add getpwd() to gcda file path.
15237         (build_gcov_info): Check the new flag
15238         flag_profile_datafile_relative_path.
15239         (coverage_init): Use profile_data_prefix.
15240         Read profile counter only if flag_profile_use is set.
15241         * opts.c (common_handle_option): New option fprofile-use=,
15242         fprofile-dir=, fprofile-generate=.
15243         * toplev.c (profile_data_prefix): New variable definition.
15244         * toplev.h (profile_data_prefix): New declaration.
15245         * doc/invoke.tex (Option Summary, Optimization Options):
15246         Add new options.
15247
15248 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
15249
15250         * varasm.c (output_constant_pool_1): In LABEL_REF check,
15251         use tmp consistently.
15252
15253         PR target/35695
15254         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
15255         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15256         UNSPEC_FR_RECIP_APPROX_RES.
15257         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
15258
15259 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
15260
15261         PR c/35750
15262         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
15263
15264 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15265
15266         PR middle-end/30186
15267         * fold-const.c (fold_indirect_ref_1): Support accessing non first
15268         element of the vector via a pointer.
15269
15270 2008-03-31  Ian Lance Taylor  <iant@google.com>
15271
15272         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
15273
15274 2008-03-31  Jan Hubicka  <jh@suse.cz>
15275
15276         * builtins.c (expand_builtin_setjmp_receiver): Update call of
15277         get_arg_pointer_save_area.
15278         * expr.c (init_expr): Just clear out rtl.expr.
15279         * function.c (free_after_compilation): Clear out whole RTL structure.
15280         (get_func_frame_size): Merge into ...
15281         (get_frame_size): ... this one.
15282         (assign_stack_local_1): Merge into ...
15283         (assign_stack_local): ... this one.
15284         (expand_function_end): Update call of get_arg_pointer_save_area.
15285         (get_art_pointer_save_area): Remove cfun argument.
15286         * function.h (emit_status): regno_pointer_align does not need length
15287         attribute. Move x_regno_reg_rtx to ...
15288         (regno_reg_rtx): ... new global array.
15289         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
15290         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
15291         apply_args_value, forced_labels, stack_pointer_delta):
15292         Update accestors.
15293         (struct varasm_status): Move here from varasm.c
15294         (struct rtl_data): New. Move here some fields from struct function.
15295         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
15296         frame_offset, stack_check_probe_note, arg_pointer_save_area,
15297         used_temp_slots avail_temp_slots, temp_slot_level,
15298         nonlocal_goto_handler_labels): Update accesstors.
15299         (rtl): New global variable.
15300         (struct function): Move some fileds to rtl_data.
15301         (get_arg_pointer_save_area): Update prototype.
15302         * emit-rtl.c (rtl): Declare.
15303         (regno_reg_rtx): Declare.
15304         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
15305         Update.
15306         (gen_reg_rtx): Update.
15307         (init_virtual_regs): Do not tate emit_status argument.
15308         (init_emit): Do not allocate emit.
15309         * varasm.c (varasm_statuc): Move to function.h.
15310         (n_deferred_constatns): Update accestor.
15311         (init_varasm_status): Do not allocate varasm_status.
15312         (force_const_mem, get_pool_size, output_constant_pool): Update.
15313         * stmt.c (force_label_rtx): Do not use x_ prefixes.
15314         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
15315
15316 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
15317
15318         PR rtl-optimization/35729
15319         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
15320         references.
15321
15322 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
15323
15324         PR target/32000
15325         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
15326         load/store if memory is unaligned.
15327         (*movti_rex64): Likewise.
15328
15329         * config/i386/predicates.md (misaligned_operand): New.
15330
15331 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
15332
15333         PR tree-opt/35431
15334         * tree-ssa-phiopt.c (conditional_replacement): Return early for
15335         complex types.
15336
15337 2008-03-31  Jan Beulich  <jbeulich@novell.com>
15338
15339         * config/ia64/constraints.md: Add 'j' constraint.
15340         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
15341         (movdi_internal): Likewise.
15342
15343 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
15344
15345         PR c/35748
15346         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
15347
15348 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
15349
15350         PR target/35757
15351         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
15352         proper error message for the third argument on blendpd and
15353         blendps.
15354
15355         * config/i386/sse.md (blendbits): New.
15356         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
15357
15358 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
15359
15360         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
15361
15362 2008-03-30  Richard Guenther  <rguenther@suse.de>
15363
15364         PR middle-end/31023
15365         * fold-const.c (fold_sign_changed_comparison): Do leave
15366         conversions to base-types alone.
15367
15368 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15369
15370         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
15371         the link register if one altivec register is be saved.
15372
15373 2008-03-30  Ben Elliston  <bje@au.ibm.com>
15374
15375         * final.c (final_scan_insn): Remove if (0) code.
15376
15377 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
15378
15379         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
15380
15381 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
15382
15383         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
15384         of V4SFmode to ix86_binary_operator_ok.
15385
15386 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
15387
15388         * config/i386/i386.c (override_options): Initialize
15389         ix86_veclib_handler to ix86_veclibabi_svml when
15390         -mveclibabi=svml is used.
15391         (ix86_veclibabi_svml): New function for SVML ABI style
15392         vectorization support.
15393         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
15394
15395 2008-03-28  Rafael Espindola  <espindola@google.com>
15396
15397         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
15398         (tree_binary_nonnegative_warnv_p): Make it public.
15399         (tree_single_nonnegative_warnv_p): Make it public.
15400         (tree_invalid_nonnegative_warnv_p): Make it public.
15401         (tree_unary_nonzero_warnv_p): Make it public.
15402         (tree_binary_nonzero_warnv_p): Make it public
15403         (tree_single_nonzero_warnv_p): Make it public.
15404         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
15405         (extract_range_from_binary_expr): Split the expr argument.
15406         (extract_range_from_unary_expr): Split the expr argument.
15407         (extract_range_from_comparison): Split the expr argument.
15408         (extract_range_from_expr): Use the new aux functions.
15409         (vrp_evaluate_conditional_warnv): Use
15410         vrp_evaluate_conditional_warnv_with_ops.
15411         * tree.h (tree_unary_nonzero_warnv_p): Declare.
15412         (tree_binary_nonzero_warnv_p): Declare.
15413         (tree_single_nonzero_warnv_p): Declare.
15414         (tree_expr_nonzero_warnv_p): Declare.
15415         (tree_unary_nonnegative_warnv_p): Declare.
15416         (tree_binary_nonnegative_warnv_p): Declare.
15417         (tree_single_nonnegative_warnv_p): Declare.
15418         (tree_invalid_nonnegative_warnv_p): Declare.
15419
15420 2008-03-28  Richard Guenther  <rguenther@suse.de>
15421
15422         PR tree-optimization/30317
15423         PR tree-optimization/30911
15424         PR tree-optimization/34793
15425         * tree-vrp.c (set_and_canonicalize_value_range): New function.
15426         (struct assert_locus_d): New member EXPR.
15427         (register_new_assert_for): Add EXPR parameter to support
15428         ASSERT_EXPR <name, expr OP limit>.
15429         (register_edge_assert_for_1): Adjust callers.
15430         (find_assert_locations): Likewise.
15431         (process_assert_insertions_for): Build condition from expression.
15432         (extract_range_from_assert): Handle ASSERT_EXPRs
15433         of the form ASSERT_EXPR <name, expr OP limit>.
15434         (register_edge_assert_for_2): New helper registering
15435         asserts for comparisons.  Recognize range tests of the form
15436         (unsigned)i - CST1 OP CST2.
15437         (register_edge_assert_for_1): Use it.
15438         (register_edge_assert_for): Likewise.
15439         (needs_overflow_infinity): Integer sub-types
15440         do not need overflow infinities.
15441         (vrp_val_is_max): The extreme values of integer sub-types
15442         are those of the base type.
15443         (vrp_val_is_min): Likewise.
15444         * tree.def (ASSERT_EXPR): Document extra allowed conditional
15445         expressions.
15446
15447 2008-03-28  Nick Clifton  <nickc@redhat.com>
15448
15449         PR target/31110
15450         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
15451         Return GENERAL_REGS for stack adjustment reloads.
15452
15453 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15454
15455         PR target/31334
15456         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
15457         const_vector when all the vectors are constant.
15458
15459 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
15460
15461         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
15462         comparisons.
15463         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
15464         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
15465         (scc_sf): New.
15466         (s<code>_sf): Use new scc_sf attribute for opcode names.
15467
15468 2008-03-27  Tom Tromey  <tromey@redhat.com>
15469
15470         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
15471         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
15472         config/spu/t-spu-elf, config/i386/t-interix,
15473         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
15474         config/i386/x-darwin, config/i386/x-mingw32,
15475         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
15476         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
15477         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
15478         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
15479         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
15480         config/rs6000/x-darwin, config/rs6000/t-rs6000,
15481         config/score/t-score-elf, config/arm/t-strongarm-pe,
15482         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
15483         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
15484         Revert automatic dependency patch.
15485
15486 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
15487
15488         PR target/35657
15489         * config/i386/i386.c (ix86_function_arg_boundary): Align
15490         decimal floating point to its natural boundary.
15491
15492 2008-03-27  Richard Guenther  <rguenther@suse.de>
15493
15494         PR middle-end/35716
15495         * fold-const.c (fold_comparison): Restrict distinct decl
15496         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
15497         solely rely on operand_equal_p.
15498
15499 2008-03-27  Richard Guenther  <rguenther@suse.de>
15500
15501         PR c/32511
15502         * c-common.c (handle_weak_attribute): Reject combination of
15503         weak and inline.
15504
15505 2008-03-27  Richard Guenther  <rguenther@suse.de>
15506
15507         PR tree-optimization/32810
15508         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
15509         conversions from DECL_INITIAL.
15510         (fold_const_aggregate_ref): Likewise from constructor elements.
15511
15512 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
15513
15514         * tree-affine.h (aff_combination_expand): Declare.
15515         (get_inner_reference_aff): Likewise.
15516         * tree-affine.c (aff_combination_expand): Split out from
15517         tree_to_aff_combination_expand.
15518         (get_inner_reference_aff): New function.
15519         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
15520         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
15521         (struct lim_aux_data): sm_done field removed.
15522         (mem_ref_loc_p, mem_ref_locs_p): New types.
15523         (struct mem_ref): Added id, stored, accesses_in_loop,
15524         indep_loop, dep_loop, indep_ref, dep_ref fields.
15525         Removed is_stored, locs and next fields.
15526         (memory_accesses): New variable.
15527         (movement_possibility): Do not allow moving statements
15528         that store to memory.
15529         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
15530         New functions.
15531         (determine_max_movement): For statements with memory references,
15532         find the outermost loop in that the reference is independent.
15533         (move_computations_stmt): Mark the virtual operands for renaming.
15534         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
15535         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
15536         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
15537         add_vop_ref_mapping, create_vop_ref_mapping_loop,
15538         create_vop_ref_mapping, analyze_memory_references,
15539         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
15540         get_all_locs_in_loop, ref_always_accessed_p,
15541         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
15542         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
15543         store_motion_loop, store_motion): New functions.
15544         (struct vop_to_refs_elt): New type.
15545         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
15546         memref_hash, memref_eq, hoist_memory_references): Rewritten.
15547         (schedule_sm): Replaced by...
15548         (execute_sm): ... this.
15549         (determine_lsm_ref, hoist_memory_references,
15550         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
15551         find_more_ref_vops, free_mem_ref, free_mem_refs,
15552         determine_lsm_loop, determine_lsm): Removed.
15553         (tree_ssa_lim_finalize): Free data structures used by store motion.
15554         (tree_ssa_lim): Call analyze_memory_references.  Use
15555         store_motion instead of determine_lsm.
15556
15557 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15558
15559         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
15560         rename tmake_file to m68hc11/t-m68hc11.
15561         (mcore): Set inhibit_libc to true.
15562         * config.host (alpha*-dec-*vms*): Set extra_programs.
15563         (interix3*): Don't use host_xmake_file.
15564         * configure.ac: Let config.gcc override inhibit_libc.
15565         * configure: Regenerate.
15566
15567         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
15568         * config/t-openbsd-thread: Remove commented out lines.
15569
15570         * config/x-interix: Remove.
15571
15572         * config/m68hc11/t-m68hc11-gas: Rename to...
15573         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
15574
15575         * config/mcore/t-mcore: Remove T_CFLAGS.
15576         * config/mcore/t-mcore-pe: Likewise.
15577
15578 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
15579
15580         * configure.ac: Replace custom __GNU_SOURCE test with
15581         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
15582         * aclocal.m4: Regenerate.
15583         * configure: Regenerate.
15584         * config.in: Regenerate.
15585
15586 2008-03-27  Richard Guenther  <rguenther@suse.de>
15587
15588         * fold-const.c (target.h): Include.
15589         (fold_comparison): Fold comparison of addresses of decls
15590         that bind locally or of constants.  Consolidate address folding code.
15591         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
15592         results from fold_binary_to_constant.
15593         (compare_values_warnv): Likewise.
15594
15595 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
15596
15597         PR middle-end/35429
15598         * fold-const.c (fold_truthop): Check for integeral types when folding
15599         a == 0 && b == 0 and a != 0 || b != 0 .
15600
15601 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
15602
15603         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
15604
15605 2008-03-26  Andreas Schwab  <schwab@suse.de>
15606
15607         * doc/invoke.texi: Fix use of @item vs. @itemx.
15608
15609 2008-03-26  Tom Tromey  <tromey@redhat.com>
15610
15611         * Makefile.in (build/gensupport.o, build/print-rtl.o,
15612         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
15613         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
15614         build/gencodes.o, build/genconditions.o, build/genconfig.o,
15615         build/genconstants.o, build/genemit.o, build/genextract.o,
15616         build/genflags.o, build/genmddeps.o, build/genopinit.o,
15617         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
15618         options.h.
15619
15620 2008-03-26  Richard Guenther  <rguenther@suse.de>
15621
15622         Revert
15623         2008-03-26  Richard Guenther  <rguenther@suse.de>
15624
15625         * fold-const.c (target.h): Include.
15626         (fold_comparison): Fold comparison of addresses of two decls
15627         that bind locally.  Consolidate address folding code.
15628
15629 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15630
15631         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
15632         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
15633         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
15634         dconstsqrt2, dconstthird, dconste and/or dconst10.
15635         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
15636         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
15637         dconstsqrt2, dconste): Delete.
15638         (init_emit_once): Likewise.  Simplify initializing dconstm1.
15639         Constify variable.
15640         * real.c (get_real_const): New.
15641         * real.h (dconst3, dconst10, dconstm2, dconstthird,
15642         dconstsqrt2, dconste): Delete.
15643         (real_value_const, get_real_const): New.
15644
15645 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
15646
15647         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
15648
15649         * config/i386/i386.c (ix86_function_arg_boundary): Check
15650         BIGGEST_ALIGNMENT instead of 128.
15651         (setup_incoming_varargs_64): Likewise.
15652
15653 2008-03-26  Tom Tromey  <tromey@redhat.com>
15654
15655         * Makefile.in (DEPFILES): Add missing '/'.
15656
15657 2008-03-26  Richard Guenther  <rguenther@suse.de>
15658
15659         * fold-const.c (target.h): Include.
15660         (fold_comparison): Fold comparison of addresses of two decls
15661         that bind locally.  Consolidate address folding code.
15662
15663 2008-03-26  Nick Clifton  <nickc@redhat.com>
15664
15665         PR target/31232
15666         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
15667         not allow INT+INT as a legitimate addressing mode.
15668
15669 2008-03-26  Richard Guenther  <rguenther@suse.de>
15670
15671         * tree-flow.h (widen_bitfield): Remove declaration.
15672         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
15673         (widen_bitfield): Remove function.
15674         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
15675         code.
15676
15677 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15678
15679         PR target/31558
15680         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
15681         error_mark_node's.
15682
15683 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
15684
15685         PR rtl-optimization/35232
15686         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
15687         (forget_old_reloads_1, forget_marked_reloads): Don't clear
15688         reg_reloaded_call_part_clobbered here.
15689         (reload_regs_reach_end_p): New function.
15690         (reload_reg_rtx_for_input): New variable.
15691         (reload_reg_rtx_for_output): Likewise.
15692         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
15693         when reassigning a pseudo register.  Load reloadreg from
15694         reload_reg_rtx_for_input, moving the mode and register
15695         calculation to...
15696         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
15697         instead of the original when deciding whether an input reload
15698         would be a no-op or whether an output reload can be deleted.
15699         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
15700         when setting up new_spill_reg_store.  Load it from
15701         reload_reg_rtx_for_output, moving the mode and register
15702         calculation to...
15703         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
15704         instead of the original when deciding whether an output reload
15705         would be a no-op.  Do the same when modifying insn notes.
15706         Use rtx_equal_p instead of == to compare the registers.
15707         (inherit_piecemeal_p): Take a mode and two register numbers
15708         as argument.
15709         (emit_reload_insns): Clear new_spill_reg_store for every hard
15710         register in the reload register.  Remove spill registers
15711         from reg_reloaded_valid before considering whether to record
15712         inheritance information for them.  Use reload_reg_rtx_for_output
15713         instead of reg_rtx when recording output reloads.  Use
15714         reload_reg_rtx_for_input instead of reg_rtx when recording
15715         input reloads.  Set or clear reg_reloaded_call_part_clobbered
15716         at the same time as setting reg_reloaded_valid.
15717         (delete_output_reload): Add a new_reload_reg parameter and use it
15718         instead of rld[j].reg_rtx.
15719         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
15720         calls accordingly.
15721
15722 2008-03-25  Tom Tromey  <tromey@redhat.com>
15723
15724         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
15725         (build/genattr.o): Likewise.
15726         (build/genattrtab.o): Likewise.
15727         (build/gencodes.o): Likewise.
15728         (build/genconfig.o): Likewise.
15729         (build/genconstants.o): Likewise.
15730         (build/genemit.o): Likewise.
15731         (build/genextract.o): Likewise.
15732         (build/genflags.o): Likewise.
15733
15734 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
15735
15736         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
15737         instead of size_int for integer types.
15738         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
15739         to match type of MINUS_EXPR.
15740
15741 2008-03-25  Tom Tromey  <tromey@redhat.com>
15742
15743         * configure: Rebuilt.
15744         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
15745         Makefile.
15746
15747 2008-03-25  Tom Tromey  <tromey@redhat.com>
15748
15749         * config/x-solaris (host-solaris.o): Update.
15750         * config/x-linux (host-linux.o): Update.
15751         * config/x-hpux (host-hpux.o): Update.
15752         * config/x-darwin (host-darwin.o): Update.
15753         * config/v850/t-v850e (v850-c.o): Update.
15754         * config/v850/t-v850 (v850-c.o): Update.
15755         * config/t-vxworks (vxworks.o): Update.
15756         * config/t-sol2 (sol2-c.o, sol2.o): Update.
15757         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
15758         * config/spu/t-spu-elf (spu-c.o): Update.
15759         (spu.o): Remove.
15760         * config/sh/t-symbian (sh-c.o): Update.
15761         (symbian.o): Update.
15762         * config/sh/t-sh (sh-c.o): Update.
15763         * config/score/t-score-elf (score7.o, score3.o): Update.
15764         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
15765         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
15766         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
15767         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
15768         (rs6000.o): Remove.
15769         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
15770         * config/m32c/t-m32c (m32c-pragma.o): Update.
15771         * config/ia64/t-ia64 (ia64-c.o): Update.
15772         * config/i386/x-mingw32 (host-mingw32.o): Update.
15773         * config/i386/x-i386 (driver-i386.o): Update.
15774         * config/i386/x-darwin (host-i386-darwin.o): Update.
15775         * config/i386/x-cygwin (host-cygwin.o): Update.
15776         * config/i386/t-nwld (nwld.o): Update.
15777         * config/i386/t-netware (netware.o): Update.
15778         * config/i386/t-interix (winnt.o): Update.
15779         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
15780         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
15781         msformat-c.o): Update.
15782         * config/bfin/t-bfin-linux (generated_files): Add
15783         linux-sysroot-suffix.h.
15784         * config/arm/t-wince-pe (pe.o): Update.
15785         * config/arm/t-strongarm-pe (pe.o): Update.
15786         * config/arm/t-pe (pe.o): Update.
15787         * config/arm/t-arm (arm-c.o): Update.
15788         * doc/install.texi (Prerequisites): Require make 3.80.
15789         * Makefile.in: Remove .o targets.
15790         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
15791         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
15792         (simple_generated_h, simple_generated_c): Move earlier.
15793         (generated_files): New variable.
15794         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
15795         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
15796         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
15797         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
15798         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
15799         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
15800         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
15801         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
15802         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
15803         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
15804         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
15805         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
15806         (.c.o): Remove.
15807         (COMPILE.base, COMPILE): New variables.
15808         (%.o): New pattern rule.
15809         (ALL_HOST_OBJS): New variable.
15810         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
15811         (dummy-checksum.o, cc1-checksum.o): Remove.
15812         (DRIVER_SHLIB): New variable.
15813         (DRIVER_DEFINES): Use it.
15814         (gencondmd.c): Move out of build/.
15815         (s-conditions): Update.
15816         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
15817         (ALL_BUILD_OBJS): Likewise.
15818         (build/%.o): Use BUILDCOMPILE.
15819         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
15820         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
15821         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
15822         build/gencheck.o, build/gencodes.o, build/genconditions.o,
15823         build/genconfig.o, build/genconstants.o, build/genemit.o,
15824         build/genextract.o, build/genflags.o, build/genmddeps.o,
15825         build/genopinit.o, build/genoutput.o, build/genpeep.o,
15826         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
15827         build/gen-protos.o, build/scan.o, build/fix-header.o,
15828         build/scan-decls.o): Simplify.
15829         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
15830         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
15831         prefix.o, toplev.o): Reduce to variable setting.
15832         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
15833         ($(out_object_file), gcc-options.o): New targets.
15834         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
15835         * configure: Rebuilt.
15836         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
15837         * doc/sourcebuild.texi (Front End Directory): Document new variable.
15838
15839 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
15840
15841         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
15842         complain when we hit an error, return ERROR_MARK_NODE.
15843
15844 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15845
15846         * config/sh/constraints.md (Pso, Psz): New constraints.
15847         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
15848         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
15849
15850 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15851
15852         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
15853         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
15854
15855 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
15856
15857         * config/sh/sh.md (prefetch): Add condition for SH2A target.
15858         (prefetch_sh2a): New.
15859
15860 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15861             Naveen.H.S  <naveen.hs@kpitcummins.com>
15862
15863         * config/sh/constraints.md (I28): New constraint.
15864         * config/sh/sh.c (broken_move): Add support for movi20s.
15865         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
15866
15867 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
15868             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
15869             Naveen.H.S  <naveen.hs@kpitcummins.com>
15870
15871         * config/sh/sh.c (SH_ATTRIBUTES): Define.
15872         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
15873         (print_operand): Handle resbank in %@ operand code.
15874         (sh_encode_section_info): New.
15875         (push_regs): Add conditions for resbank.
15876         (sh_expand_epilogue): Likewise.
15877         (sh_insert_attributes): Likewise.
15878         (sh_attribute_table): Likewise.
15879         (sh_handle_resbank_handler_attribute): New.
15880         (sh2a_handle_function_vector_handler_attribute): New.
15881         (sh2a_is_function_vector_call): New.
15882         (sh2a_get_function_vector_number): New.
15883         (sh2a_function_vector_p): New.
15884         (sh_cfun_resbank_handler_p): New.
15885         * config/sh/sh.md (calli): Emit jsr/n if possible.
15886         (calli_tbr_rel): New.
15887         (calli_pcrel): Emit jsr/n if possible.
15888         (return_i): Emit rts/n if possible.
15889         (call_valuei_tbr_rel): New.
15890         (call_valuei_pcrel): Add condition for SH2A target.
15891         (call_value): Likewise.
15892         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
15893         (sh2a_get_function_vector_number): Likewise.
15894         (sh2a_is_function_vector_call): Likewise.
15895         * doc/extend.texi: Document TBR relative addressing of SH2A.
15896         (resbank): Add description for SH2A.
15897
15898 2008-03-24  Richard Guenther  <rguenther@suse.de>
15899
15900         PR c/22371
15901         * gimplify.c (gimplify_modify_expr): For frontend type-correct
15902         pointer assignments change conversions according to middle-end rules.
15903         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
15904         * configure.ac: Include type checking in yes.
15905         * configure: Regenerate.
15906
15907 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15908
15909         * diagnostic.c (diagnostic_count_diagnostic): Delete.
15910         (diagnostic_report_diagnostic): Update. Handle ICEs here.
15911
15912 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
15913
15914         * gthr-vxworks.h (UNUSED): Define.
15915
15916 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
15917
15918         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
15919
15920 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
15921
15922         * doc/extend.texi (Function Attributes): Add missing comma in the
15923         example of the "alloc_size" attribute.
15924
15925 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
15926
15927         Revert:
15928         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
15929
15930         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
15931         32bit host.
15932
15933         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
15934
15935         PR target/35496
15936         * stor-layout.c (update_alignment_for_field): Set minimum alignment
15937         of the underlying type of a MS bitfield layout to the natural
15938         alignment of the type.
15939
15940         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15941
15942         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15943         to their natural alignment to avoid store forwarding stalls.
15944
15945 2008-03-22  Richard Guenther  <rguenther@suse.de>
15946
15947         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
15948         For PHI nodes verify the address is invariant.
15949         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
15950         (get_symbol_constant_value): Use is_gimple_min_invariant.
15951         (maybe_fold_stmt_indirect): Likewise.
15952
15953 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
15954
15955         PR rtl-optimization/33927
15956         * Makefile.in (dse.o): Depend on $(TM_P_H).
15957         * expr.h (extract_low_bits): Declare.
15958         * expmed.c (extract_low_bits): New function.
15959         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
15960         * dse.c: Include tm_p.h.
15961         (find_shift_sequence): Remove the read_reg argument and return the
15962         read value.  Emit the instructions instead of returning them.
15963         Iterate on new_mode rather than calculating it each time.
15964         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
15965         source to NEW_MODE and extract_low_bits to convert the shifted
15966         value to READ_MODE.
15967         (replace_read): Allow the load and store to have different mode
15968         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
15969         or extraction instructions before trying the replacement.  Update
15970         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
15971
15972 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
15973
15974         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
15975         to their natural alignment to avoid store forwarding stalls.
15976
15977 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
15978
15979         PR target/27946
15980         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
15981         encouraging but not allowing gprs for input;
15982         change the input constraint to !f#r.
15983         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
15984         gprs for output;
15985         change the output constraint to !f#r.
15986
15987 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
15988
15989         PR target/13958
15990         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
15991         corresponding post-reload splitters.
15992         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
15993         when x87 FP math is selected.
15994         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
15995         New function prototype.
15996         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
15997         unreachable function to ease macroization of insn patterns.
15998
15999 2008-03-21  Martin Jambor  <mjambor@suse.cz>
16000
16001         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
16002         reference dumps if ddr is NULL or dependence is unknown.
16003
16004 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16005
16006         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
16007         unsigned extension into account.
16008         (ATOMIC_COMPARE_AND_SWAP): Likewise.
16009         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
16010         Do computations on a scratch register.
16011
16012 2008-03-21  Richard Guenther  <rguenther@suse.de>
16013
16014         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
16015         Use is_gimple_min_invariant instead of TREE_INVARIANT.
16016         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
16017         * tree-ssa-dom.c (record_equality): Likewise.
16018         * tree-inline.c (copy_body_r): Likewise.
16019         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
16020         TREE_INVARIANT.
16021
16022 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
16023
16024         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
16025         as 'delete_unused' argument.
16026
16027 2008-03-20  Richard Guenther  <rguenther@suse.de>
16028
16029         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
16030         special casing of constant qualifiers.
16031         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
16032         care about them in general.
16033         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
16034         regardless of their type.
16035         (fold_stmt_r): Forcefully fold *& if we end up with that.
16036
16037 2008-03-20  Paul Brook  <paul@codesourcery.com>
16038
16039         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
16040         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
16041         linker flags.
16042         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
16043         definition.
16044         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
16045         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
16046
16047 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
16048
16049         * common.opt (Wmudflap): New option.
16050         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
16051         (mx_register_decls): Likewise.
16052         (mudflap_finish_file): Likewise.
16053         * doc/invoke.texi: Document -Wno-mudflap.
16054
16055 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
16056
16057         * c-format.c (replace_format_name_to_system_name): New.
16058         (cmp_attribs): New.
16059         (convert_format_name_to_system_name): New.
16060         (decode_format_attr): Add use of convert_format_name_to_system_name.
16061         (format_types_orig): Add gnu_ prefix to names.
16062         (check_format_info_main): Special treating of \0 escaped names for
16063         supporting multi-character format specifiers as I32, I64.
16064         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
16065         (gnu_target_overrides_format_attributes): New.
16066         * c-format.h: Add structure target_ovr_attr to hold
16067         system specific formatter names.
16068         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
16069         msformat-c.o file to c_target_objs and cxx_target_objs.
16070         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16071         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
16072         (TARGET_N_FORMAT_TYPES): New.
16073         * config/i386/msformat-c.c: New.
16074         * config/i386/t-cygming: Add build rule for msformat-c.o.
16075         * doc/extend.texi: Add new format names gnu_* and ms_* and
16076         further details.
16077         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
16078
16079 2008-03-20  Ira Rosen  <irar@il.ibm.com>
16080
16081         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
16082         optimizations turned on under -O3.
16083         (ftree-vectorize): Add that the flag is turned on with -O3.
16084
16085 2008-03-20  Ben Elliston  <bje@au.ibm.com>
16086
16087         * regmove.c (try_auto_increment): Fix spelling error in comment.
16088         * final.c (final_scan_insn): Likewise.
16089
16090 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
16091
16092         PR target/14552
16093         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
16094         allocator preferences for "y" and "r" class registers.
16095         ("*mov<mode>_internal"): Ditto.
16096         ("*movv2sf_internal_rex64"): Ditto.
16097         ("*movv2sf_internal"): Ditto.
16098
16099 2008-03-19  Michael Matz  <matz@suse.de>
16100
16101         PR middle-end/35616
16102         * calls.c (expand_call): Check overlap of arguments with call
16103         address for sibcalls.
16104
16105 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
16106
16107         PR target/35496
16108         * stor-layout.c (update_alignment_for_field): Set minimum alignment
16109         of the underlying type of a MS bitfield layout to the natural
16110         alignment of the type.
16111
16112 2008-03-19  Jan Hubicka  <jh@suse.cz>
16113
16114         PR other/35094
16115         * toplev.c (decode_d_option): Handle all CPP flags.
16116         * tree-vrp.c: Update tree_pass descriptors.
16117         * regrename.c: Update tree_pass descriptors.
16118         * fwprop.c: Update tree_pass descriptors.
16119         * doc/invoke.texi: Remove documentation of dropped -d? flags.
16120         * tree-into-ssa.c: Update tree_pass descriptors.
16121         * tree-dump.c: Update tree_pass descriptors.
16122         * tree-complex.c: Update tree_pass descriptors.
16123         * tree-dump.h: Update tree_pass descriptors.
16124         * see.c: Update tree_pass descriptors.
16125         * cgraphbuild.c: Update tree_pass descriptors.
16126         * tracer.c: Update tree_pass descriptors.
16127         * tree-loop-distribution.c: Update tree_pass descriptors.
16128         * cgraph.c: Update tree_pass descriptors.
16129         * postreload-gcse.c: Update tree_pass descriptors.
16130         * postreload.c: Update tree_pass descriptors.
16131         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
16132         * tree-tailcall.c: Update tree_pass descriptors.
16133         * tree-pass.h (tree_opt_pass): Rename to ...
16134         (opt_pass) ... this one; add "type" field and remove letter field.
16135         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
16136         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
16137         all_lowering_passes): Update declaration.
16138         * ipa-cp.c: Update tree_pass descriptors.
16139         * final.c: Update tree_pass descriptors.
16140         * omp-low.c: Update tree_pass descriptors.
16141         * tree-ssa-dse.c: Update tree_pass descriptors.
16142         * ipa-reference.c: Update tree_pass descriptors.
16143         * tree-ssa-uncprop.c: Update tree_pass descriptors.
16144         * auto-inc-dec.c: Update tree_pass descriptors.
16145         * reorg.c: Update tree_pass descriptors.
16146         * cgraphunit.c: Update tree_pass descriptors.
16147         * tree-ssa-copyrename.c: Update tree_pass descriptors.
16148         * tree-ssa-ccp.c: Update tree_pass descriptors.
16149         * df-core.c: Update tree_pass descriptors.
16150         * mode-switching.c: Update tree_pass descriptors.
16151         * tree-nomudflap.c: Update tree_pass descriptors.
16152         * modulo-sched.c: Update tree_pass descriptors.
16153         * ipa-pure-const.c: Update tree_pass descriptors.
16154         * cse.c: Update tree_pass descriptors.
16155         * web.c: Update tree_pass descriptors.
16156         * tree-stdarg.c: Update tree_pass descriptors.
16157         * tree-ssa-math-opts.c: Update tree_pass descriptors.
16158         * tree-ssa-dom.c: Update tree_pass descriptors.
16159         * tree-nrv.c: Update tree_pass descriptors.
16160         * tree-ssa-alias.c: Update tree_pass descriptors.
16161         * loop-init.c: Update tree_pass descriptors.
16162         * gimple-low.c: Update tree_pass descriptors.
16163         * ipa-inline.c: Update tree_pass descriptors.
16164         * tree-ssa-sink.c: Update tree_pass descriptors.
16165         * global.c: Update tree_pass descriptors.
16166         * ifcvt.c: Update tree_pass descriptors.
16167         * jump.c: Update tree_pass descriptors.
16168         * predict.c: Update tree_pass descriptors.
16169         * tree-ssa-loop.c: Update tree_pass descriptors.
16170         * recog.c: Update tree_pass descriptors.
16171         * dse.c: Update tree_pass descriptors.
16172         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
16173         * tree-eh.c: Update tree_pass descriptors.
16174         * regmove.c: Update tree_pass descriptors.
16175         * local-alloc.c
16176         * function.c: Update tree_pass descriptors.
16177         * tree-vectorizer.c: Update tree_pass descriptors.
16178         * gcse.c: Update tree_pass descriptors.
16179         * ipa-type-escape.c: Update tree_pass descriptors.
16180         * tree-if-conv.c: Update tree_pass descriptors.
16181         * init-regs.c: Update tree_pass descriptors.
16182         * ipa.c: Update tree_pass descriptors.
16183         * tree-ssa-phiopt.c: Update tree_pass descriptors.
16184         * rtl-factoring.c: Update tree_pass descriptors.
16185         * lower-subreg.c: Update tree_pass descriptors.
16186         * bt-load.c: Update tree_pass descriptors.
16187         * tree-dfa.c: Update tree_pass descriptors.
16188         * except.c: Update tree_pass descriptors.
16189         * emit-rtl.c: Update tree_pass descriptors.
16190         * cfgexpand.c: Update tree_pass descriptors.
16191         * tree-cfgcleanup.c: Update tree_pass descriptors.
16192         * cfgcleanup.c: Update tree_pass descriptors.
16193         * tree-ssa-pre.c: Update tree_pass descriptors.
16194         * tree-sra.c: Update tree_pass descriptors.
16195         * tree-mudflap.c: Update tree_pass descriptors.
16196         * tree-ssa-copy.c: Update tree_pass descriptors.
16197         * cfglayout.c: Update tree_pass descriptors.
16198         * tree-ssa-forwprop.c: Update tree_pass descriptors.
16199         * tree-ssa-dce.c: Update tree_pass descriptors.
16200         * tree-ssa.c: Update tree_pass descriptors.
16201         * regclass.c: Update tree_pass descriptors.
16202         * integrate.c: Update tree_pass descriptors.
16203         * tree-optimize.c: Update tree_pass descriptors.
16204         * tree-ssa-phiprop.c: Update tree_pass descriptors.
16205         * tree-object-size.c: Update tree_pass descriptors.
16206         * combine.c: Update tree_pass descriptors.
16207         * tree-outof-ssa.c: Update tree_pass descriptors.
16208         * bb-reorder.c: Update tree_pass descriptors.
16209         * stack-ptr-mod.c: Update tree_pass descriptors.
16210         * var-tracking.c: Update tree_pass descriptors.
16211         * tree-profile.c: Update tree_pass descriptors.
16212         * tree-vect-generic.c: Update tree_pass descriptors.
16213         * reg-stack.c: Update tree_pass descriptors.
16214         * sched-rgn.c: Update tree_pass descriptors.
16215         * tree-ssa-structalias.c: Update tree_pass descriptors.
16216         * tree-cfg.c: Update tree_pass descriptors.
16217         * passes.c (current_pass): Update declaration.
16218         (finish_optimization_passes): Update.
16219         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
16220         (register_one_dump_file, register_dump_files_1, next_pass_1):
16221         Update arguments.
16222         (init_optimization_passes): Update handling of new types.
16223         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
16224         * ipa-struct-reorg.c: Update tree_pass descriptors.
16225         * tree-ssa-reassoc.c: Update tree_pass descriptors.
16226         * combine-stack-adj.c: Update tree_pass descriptors.
16227         * cfgrtl.c: Update tree_pass descriptors.
16228         * dce.c: Update tree_pass descriptors.
16229         * tree-ssanames.c: Update tree_pass descriptors.
16230
16231 2008-03-19  Richard Guenther  <rguenther@suse.de>
16232
16233         PR middle-end/35609
16234         * tree-ssa.c (walk_data): New structure.
16235         (warn_uninitialized_var): If not always_executed warn with "maybe"
16236         instead of "is".
16237         (execute_early_warn_uninitialized): Compute post-dominators.
16238         Initialize always_executed before processing each basic block.
16239
16240 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
16241
16242         PR target/35504
16243         * config/i386/i386.c (x86_this_parameter): Calculate correct location
16244         of "this" pointer when "regparm = N" or "fastcall" is in effect.
16245
16246 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16247
16248         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
16249
16250 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
16251
16252         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
16253         is true.
16254         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
16255         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
16256         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
16257         target after ignore has been set, and move there also the commputation
16258         of subtarget and original_target.
16259         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
16260         (LANG_HOOKS_INITIALIZER): Remove it.
16261         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
16262
16263 2008-03-18  Richard Guenther  <rguenther@suse.de>
16264
16265         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
16266         found an expression with constants, note that in the VN for the lhs.
16267         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
16268         fold them to constants if possible.  Run cleanup_cfg if done so.
16269         (execute_pre): Return todo.
16270         (do_pre): Likewise.
16271         (execute_fre): Likewise.
16272         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
16273         of constants.
16274         (get_prop_source_stmt): Look through pointer conversions.
16275
16276 2008-03-18  Jan Hubicka  <jh@suse.cz>
16277
16278         * tree-pretty-print.c: Include predict.h.
16279         (dump_generic_node): Dump predictor.
16280         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
16281         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
16282         * gimple-low.c (lower_stmt): Likewise.
16283         * expr.c (expand_expr_real): Likewise.
16284         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
16285         them.
16286         (build_predict_expr, build_predict_expr): New.
16287         * predict.h (predictor_name, build_predict_expr): Update.
16288         * c-typeck.c (c_finish_bc_stmt): Add prediction.
16289         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
16290         * predict.def (PRED_CONTINUE): Update hitrate.
16291         * tree.def (PREDICT_EXPR): Define.
16292         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
16293         do not handle BIND_EXPR.
16294         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
16295         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
16296         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
16297         operands.
16298
16299 2008-03-18  Michael Matz  <matz@suse.de>
16300
16301         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
16302
16303 2008-03-18  Richard Guenther  <rguenther@suse.de>
16304
16305         * tree-gimple.h (is_gimple_invariant_address): Declare.
16306         (is_gimple_constant): Likewise.
16307         * tree-gimple.c (is_gimple_constant): New function.
16308         (is_gimple_invariant_address): Likewise.
16309         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
16310         and is_gimple_invariant_address.
16311         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
16312         previous change.
16313         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
16314         an addressable base.
16315
16316 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
16317
16318         PR middle-end/35611
16319         * gimplify.c (gimplify_expr): Gimplify second operand of
16320         OMP_ATOMIC_LOAD.
16321
16322 2008-03-17  Richard Guenther  <rguenther@suse.de>
16323
16324         PR tree-optimization/19637
16325         * fold-const.c (fold_unary): Remove restrictions of removing
16326         intermediate pointer-conversions (P2)(P1)P0.
16327         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
16328         conversion to void pointer.
16329         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
16330
16331 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
16332
16333         PR debug/31510
16334         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
16335         emulated thread local variables.
16336
16337 2008-03-16  Richard Guenther  <rguenther@suse.de>
16338
16339         PR middle-end/35607
16340         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
16341         expand TREE_INVARIANT operations that are not gimple invariant.
16342
16343 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
16344
16345         * doc/extend.texi (Alignment): Say that the ABI controls
16346         the __alignof__ for non-strict-alignment targets rather
16347         than being a recommendation.
16348
16349 2008-03-15  Paul Brook  <paul@codesourcery.com>
16350
16351         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
16352         annotations.
16353         (arm_output_fn_unwind): Mark functions that can not be unwound.
16354
16355 2008-03-15  Paul Brook  <paul@codesourcery.com>
16356
16357         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
16358         extension instructions.
16359
16360 2008-03-15  Richard Guenther  <rguenther@suse.de>
16361
16362         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
16363         and fold constant aggregate refs.
16364         (fold_const_aggregate_ref): Handle string constants
16365         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
16366         (evaluate_stmt): Simplify now that ccp_fold folds constant
16367         aggregate refs.
16368
16369 2008-03-15  Paul Brook  <paul@codesourcery.com>
16370
16371         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
16372         (extzv): Use gen_extzv_t2.
16373         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
16374
16375 2008-03-15  Richard Guenther  <rguenther@suse.de>
16376
16377         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
16378         (fold_const_aggregate_ref): Likewise.
16379         (get_value): Return NULL if we don't have any values.
16380         (ccp_finalize): Set const_val to NULL after freeing it.
16381         * tree-flow.h (get_symbol_constant_value): Declare.
16382         (fold_const_aggregate_ref): Likewise.
16383         * tree-ssa-sccvn.c (try_to_simplify): Use them.
16384
16385 2008-03-15  Richard Guenther  <rguenther@suse.de>
16386
16387         PR middle-end/35593
16388         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
16389         to not produce negative array indices if not allowed.  Add
16390         parameter to indicate that.
16391         (maybe_fold_offset_to_component_ref): Allow negative array
16392         indices only for the first member of a structure.
16393         (maybe_fold_offset_to_reference): Allow negative array indices.
16394         (maybe_fold_stmt_addition): Likewise.
16395
16396 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
16397             Anatoly Sokolov <aesok@post.ru>
16398
16399         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
16400         (avr_arch): Add ARCH_AVR6.
16401         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
16402         (initial_elimination_offset): Initialize and use 'avr_pc_size'
16403         instead of fixed value 2.
16404         (print_operand_address): Use gs() asm specifier instead of pm().
16405         (avr_assemble_integer): (Ditto.).
16406         (avr_output_addr_vec_elt): (Ditto.).
16407         (print_operand): Handle "!" code.
16408         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
16409         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
16410         (AVR_HAVE_EIJMP_EICALL): Define.
16411         (AVR_3_BYTE_PC): Redefine.
16412         (AVR_2_BYTE_PC): (Ditto.).
16413         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
16414         (LINK_SPEC): Add atmega2560 and atmega2561.
16415         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
16416         (crtm2561.o).
16417         * config/avr/avr.md (call_insn): Use eicall instead of icall
16418         for 3 byte PC devices.
16419         (call_value_insn): (Ditto.).
16420         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
16421         (indirect_jump): Use only for for 2 byte PC devices.
16422         (*tablejump): (Ditto.).
16423         (*indirect_jump_avr6): Add insn.
16424         (*tablejump_rjmp): Don't use for 3 byte PC devices.
16425         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
16426         instead of ijmp for 3 byte PC devices.
16427         (__tablejump2__): (Ditto.).
16428         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
16429         (MULITLIB_DIRNAMES): (Ditto.).
16430         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
16431
16432 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
16433
16434         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
16435         "sse2_umulsidi3".  Use V1DI mode for operand 0.
16436         ("mmx_psadbw"): Use V1DI mode for operand 0.
16437         * config/i386/i386-modes.def (V1SI): New vector mode.
16438         * config/i386/i386.c (struct builtin_description)
16439         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
16440         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
16441         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
16442         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
16443         v1di_ftype_v8qi_v8qi type.
16444         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
16445
16446         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
16447         __builtin_ia32_pmuludq]: Fix the mode of return value.
16448
16449 2008-03-15  Richard Guenther  <rguenther@suse.de>
16450
16451         PR middle-end/35595
16452         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
16453         being a PHI_NODE.
16454
16455 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
16456
16457         * doc/invoke.texi (Option Summary, Xtensa Options): Document
16458         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
16459         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
16460         unless TARGET_SERIALIZE_VOLATILE is enabled.
16461         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
16462         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
16463         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
16464
16465 2008-03-14  Richard Guenther  <rguenther@suse.de>
16466
16467         PR tree-optimization/34172
16468         * tree-flow.h (refs_may_alias_p): Declare.
16469         (get_single_def_stmt): Likewise.
16470         (get_single_def_stmt_from_phi): Likewise.
16471         (get_single_def_stmt_with_phi): Likewise.
16472         * tree-dfa.c (refs_may_alias_p): New function.
16473         (get_single_def_stmt): Likewise.
16474         (get_single_def_stmt_from_phi): Likewise.
16475         (get_single_def_stmt_with_phi): Likewise.
16476         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
16477         (vn_reference_lookup_1): New helper function.
16478         (vn_reference_lookup): Walk the virtual use-def chain to
16479         continue searching for a match if the def does not alias the
16480         reference we are looking for.
16481
16482 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
16483
16484         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
16485         archive and Perzl.  Update The Written Word listing.
16486
16487 2008-03-14  Richard Guenther  <rguenther@suse.de>
16488
16489         PR tree-optimization/34043
16490         PR tree-optimization/33989
16491         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
16492         when doing FRE.
16493         (bitmap_find_leader): Use extra argument to verify dominance
16494         relationship inside a basic-block.
16495         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
16496         (find_leader_in_sets): Adjust.
16497         (create_component_ref_by_pieces): Take extra argument for
16498         dominance check, handle lookup failures.
16499         (find_or_generate_expression): Likewise.
16500         (create_expression_by_pieces): Likewise.
16501         (insert_into_preds_of_block): Adjust.
16502         (create_value_expr_from): If asked for, verify all operands
16503         are in the blocks AVAIL_OUT set.
16504         (make_values_for_stmt): Check for SSA_NAMEs that are life
16505         over an abnormal edge.
16506         (compute_avail): Remove such check.
16507         (do_SCCVN_insertion): New function.
16508         (eliminate): If we do not find a leader suitable for replacement
16509         insert a replacement expression from SCCVN if available.
16510         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
16511         (struct vn_ssa_aux): Add needs_insertion flag.
16512         * tree-ssa-sccvn.c (may_insert): New global flag.
16513         (copy_reference_ops_from_ref): Value-number union member access
16514         based on its size, not type and member if insertion is allowed.
16515         (visit_reference_op_load): For a weak match from union type
16516         punning lookup a view-converted value and insert a SSA_NAME
16517         for that value if that is not found.
16518         (visit_use): Make dumps shorter.  Do not disallow value numbering
16519         SSA_NAMEs that are life over an abnormal edge to constants.
16520         (free_scc_vn): Release inserted SSA_NAMEs.
16521         (run_scc_vn): New flag to specify whether insertion is allowed.
16522         Process SSA_NAMEs in forward order.
16523         * tree-ssa-loop-im.c (for_each_index): Handle invariant
16524         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
16525         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
16526         pointer type to/from integral types that do not change the
16527         precision to regular conversions.
16528
16529 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16530
16531         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16532         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16533         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
16534         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
16535         input arguments and the mode of return value.  Built-in functions
16536         that operate on whole 64-bit MMX register now use V1DI mode.
16537
16538 2008-03-13  Alon Dayan  <alond@il.ibm.com>
16539             Olga Golovanevsky  <olga@il.ibm.com>
16540
16541         PR tree-optimization/35041
16542         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
16543         to locate the right position in a statement.
16544
16545 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
16546
16547         PR target/34000
16548         PR target/35553
16549         * config/i386/xmmintrin.h:  Change all static inline functions to
16550         extern inline and add __gnu_inline__ attribute.
16551         * config/i386/bmintrin.h: Ditto.
16552         * config/i386/smmintrin.h: Ditto.
16553         * config/i386/tmmintrin.h: Ditto.
16554         * config/i386/mmintrin-common.h: Ditto.
16555         * config/i386/ammintrin.h: Ditto.
16556         * config/i386/emmintrin.h: Ditto.
16557         * config/i386/pmmintrin.h: Ditto.
16558         * config/i386/mmintrin.h: Ditto.
16559         * config/i386/mm3dnow.h: Ditto.
16560
16561 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
16562
16563         PR middle-end/35185
16564         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
16565         (lower_omp_2): New function.
16566         (lower_omp_1, lower_omp): Rewritten.
16567
16568 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
16569
16570         PR 35054
16571         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
16572         with the phrase "Microsoft Windows compilers".
16573         (Push/Pop Macro Pragmas): New subsection. Document
16574         #pragma push_macro and pragma pop_macro.
16575
16576 2008-03-12  Paul Brook  <paul@codesourcery.com>
16577
16578         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
16579
16580 2008-03-12  Paul Brook  <paul@codesourcery.com>
16581
16582         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
16583         (thumb2_alusi3_short): Exclude PLUS and MINUS.
16584         (thumb2_addsi_shortim): Rename ...
16585         (thumb2_addsi_short): ... to this.  Allow register operands.
16586         (thumb2_subsi_short): New pattern.
16587         (thumb2_one_cmplsi2_short,
16588         thumb2_negsi2_short): New patterns and peepholes.
16589
16590 2008-03-12  Paul Brook  <paul@codesourcery.com>
16591
16592         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
16593
16594 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
16595
16596         * config/i386/i386.md (int_cond): New code iterator.
16597         (fp_cond): Ditto.
16598         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
16599         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
16600         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
16601         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
16602         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
16603         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
16604         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
16605         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
16606
16607 2008-03-12  Paul Brook  <paul@codesourcery.com>
16608
16609         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
16610         instead of {arm,thumb}_compute_save_reg_mask.
16611         (output_return_instruction): Ditto.
16612         (thumb_unexpanded_epilogue): Ditto.
16613         (thumb1_expand_prologue): Ditto.
16614         (thumb1_output_function_prologue): Ditto.
16615         (arm_set_return_address): Ditto.
16616         (thumb_set_return_address): Ditto.
16617         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
16618         regs to achieve stack alignment.
16619         (thumb1_compute_save_reg_mask): Fix compiler warning.
16620         (arm_output_epilogue): Use offsets->saved_regs_mask.
16621         Adjust stack pointer by poping call clobered registers.
16622         (arm_expand_prologue): Use offsets->saved_regs_mask.
16623         Adjust stack pointer by pushing extra registers.
16624         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
16625
16626 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
16627
16628         PR tree-opt/35422
16629         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
16630         conversion to the operands of a multiplication.
16631
16632 2008-03-12  Richard Guenther  <rguenther@suse.de>
16633
16634         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
16635         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
16636         * timevar.def (TV_TREE_PHIPROP): Add.
16637         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
16638         pass description.  Use TV_TREE_PHIPROP.
16639         * tree-ssa-forwprop.c: Remove phiprop code.
16640
16641 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
16642
16643         PR middle-end/35549
16644         * omp-low.c (maybe_lookup_decl): Constify first argument.
16645         (use_pointer_for_field): Change last argument from bool to
16646         omp_context *.  Disallow shared copy-in/out in nested
16647         parallel if decl is shared in outer parallel too.
16648         (build_outer_var_ref, scan_sharing_clauses,
16649         lower_rec_input_clauses, lower_copyprivate_clauses,
16650         lower_send_clauses, lower_send_shared_vars): Adjust callers.
16651
16652 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
16653             Ira Rosen  <irar@il.ibm.com>
16654
16655         * tree-vectorizer.c (free_stmt_vec_info): New function.
16656         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
16657         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
16658         * tree-vectorizer.h (free_stmt_vec_info): Declare.
16659         * tree-vect-transform.c (vectorizable_conversion): Free
16660         vec_oprnds0 if it was allocated.
16661         (vect_permute_store_chain): Remove unused VECs.
16662         (vectorizable_store): Free VECs that are allocated in the..
16663         function.
16664         (vect_transform_strided_load, vectorizable_load): Likewise.
16665         (vect_remove_stores): Simplify the code.
16666         (vect_transform_loop): Move code to vect_remove_stores().
16667         Call vect_remove_stores() and free_stmt_vec_info().
16668
16669 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16670
16671         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
16672         TARGET_HPUX.  Revise comment.
16673         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
16674         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
16675         Use sr4 variant of `be' instruction when not generating PIC code.
16676         (attr_length_call): Adjust for above change.
16677
16678 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16679
16680         * ipa-reference.c (static_execute): Remove module_statics_const and
16681         associated setting code.
16682
16683 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16684
16685         PR target/35540
16686         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
16687         predicate for operand 1.
16688         (paritysi2_cmp): Use register_operand predicate for operand 2.
16689         Use earlyclobber modifier for operand 1.  Remove support for
16690         memory operands.
16691         (paritydi2_cmp): Use register_operand predicate for operand 3.
16692         Use earlyclobber modifier for operand 1.  Remove support for
16693         memory operands.
16694
16695 2008-03-11  Paul Brook  <paul@codesourcery.com>
16696             Vladimir Prus  <vladimir@codesourcery.com>
16697
16698         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
16699         (arm_compute_save_reg0_reg12_mask): Always
16700         check if register 11 must be saved.  Always safe hard frame pointer
16701         when frame_pointer_needeed.
16702         (arm_compute_save_reg_mask): Save IP and PC
16703         only with apcs frames.
16704         (arm_output_epilogue): Adjust Thumb2 codepath to
16705         be also invoked and work for ARM non-apcs frames.
16706         (arm_expand_prologue): Don't bother saving IP
16707         for non-apcs frame, since it's not clobbered by
16708         prologue code.  Implement non-apcs frame
16709         layout.
16710
16711 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16712
16713         PR rtl-optimization/35281
16714         * expr.c (convert_move): Use a new pseudo for the intermediate
16715         from_mode->word_mode result.
16716
16717 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
16718
16719         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
16720         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
16721         * toplev.c (compile_file): Don't call it.
16722
16723 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
16724
16725         PR middle-end/35526
16726         * expr.c (store_expr): Call emit_block_move if the mode
16727         of "temp" RTX is BLKmode.
16728
16729 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16730             Richard Guenther  <rguenther@suse.de>
16731
16732         PR tree-optimization/31358
16733         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
16734         the step with a NULL_TREE.
16735         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
16736         to sizetype if type is a pointer type.
16737         (add_candidate_1): Don't convert the base and step to
16738         the generic type if the orginal type is a pointer type.
16739         (add_iv_value_candidates): Use sizetype for the step
16740         if type is a pointer type.
16741         (cand_value_at): Likewise.
16742         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
16743         for pointer types.
16744         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
16745         Don't convert the tem affine to the type.
16746         (add_elt_to_tree): Use sizetype for the step if a pointer.
16747         Use POINTER_PLUS_EXPR for pointers.
16748         (aff_combination_to_tree): Use sizetype for the step if a
16749         pointer.
16750
16751 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
16752
16753         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
16754         Remove commutativity hint.
16755
16756 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
16757
16758         PR c/35438
16759         PR c/35439
16760         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
16761         errorneous type.  Check that v is a VAR_DECL.
16762
16763         PR middle-end/35099
16764         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
16765
16766 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
16767
16768         PR tree-optimization/35494
16769         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
16770         may be overriden at link and run time.
16771
16772 2008-03-10  Richard Guenther  <rguenther@suse.de>
16773
16774         PR tree-optimization/34677
16775         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
16776         (poolify_tree): Likewise.
16777         (modify_expr_template): Likewise.
16778         (poolify_modify_stmt): Likewise.
16779         (insert_fake_stores): Handle all component-ref style stores
16780         in addition to INDIRECT_REF.  Also handle complex types.
16781         Do not poolify the inserted load.
16782         (realify_fake_stores): Do not rebuild the tree but only
16783         make it a SSA_NAME copy.
16784         (init_pre): Remove initialzation of modify_expr_template.
16785         Do not allocate modify_expr_node_pool.
16786         (fini_pre): Do not free modify_expr_node_pool.
16787
16788 2008-03-10  Paul Brook  <paul@codesourcery.com>
16789
16790         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
16791         to avoid conflicts.
16792
16793 2008-03-10  Paul Brook  <paul@codesourcery.com>
16794             Mark Shinwell  <shinwell@codesourcery.com>
16795
16796         * config/arm/cortex-r4.md: New.
16797         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
16798         insn attributes.
16799         * config/arm/arm.md: Include cortex-r4.md.
16800         (insn): Add smmls, sdiv and udiv values.
16801         (generic_sched): Don't use generic scheduling for Cortex-R4.
16802         (arm_issue_rate): New function.
16803         (TARGET_SCHED_ISSUE_RATE): Define.
16804
16805 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
16806
16807         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
16808
16809 2008-03-10  Richard Guenther  <rguenther@suse.de>
16810
16811         * tree-ssa-pre.c (get_sccvn_value): Simplify.
16812         (compute_avail): Do not add stmt uses to AVAIL_OUT.
16813
16814 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
16815
16816         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
16817         Set default to true.
16818
16819 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16820
16821         * c.opt (Wsynth): Deprecate.
16822         * doc/invoke.texi (Option Summary, Warning Options): Document
16823         -Wno-format-contains-nul.
16824
16825 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
16826
16827         PR target/35496
16828         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
16829         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
16830
16831 2008-03-09  Ira Rosen  <irar@il.ibm.com>
16832
16833         * config/rs6000/rs6000.c (builtin_description): Rename vector
16834         left shift operations.
16835         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
16836         (altivec_vsl<VI_char>): Rename to ...
16837         (ashl<mode>3): ... new name.
16838         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
16839         gen_ashlv4si3.
16840         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
16841
16842 2008-03-08  Richard Guenther  <rguenther@suse.de>
16843
16844         * coverage.h (tree_coverage_counter_addr): Declare.
16845         * coverage.c (tree_coverage_counter_addr): New function.
16846         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
16847         before using again.
16848         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
16849         (tree_gen_one_value_profiler): Likewise.
16850         (tree_gen_ic_profiler): Likewise.
16851         (tree_gen_average_profiler): Likewise.
16852         (tree_gen_ior_profiler): Likewise.
16853
16854 2008-03-08  Richard Guenther  <rguenther@suse.de>
16855
16856         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
16857         (vn_binary_op_insert): Likewise.
16858         (vn_unary_op_lookup): Likewise.
16859         (vn_unary_op_insert): Likewise.
16860         (vn_nary_op_lookup): Declare.
16861         (vn_nary_op_insert): Likewise.
16862         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
16863         and binary hashes, use a single obstack for unary_op_pool
16864         and binary_op_pool.
16865         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
16866         a single struct vn_nary_op_s.  Store tree code length and
16867         a variable number of operands.
16868         (struct vn_reference_op_struct): Remove unused op2.
16869         (vn_reference_op_eq): Do not compare op2.
16870         (vn_reference_op_compute_hash): Do not compute hash of op2.
16871         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
16872         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
16873         with vn_nary_op_compute_hash.
16874         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
16875         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
16876         vn_nary_op_lookup.
16877         (vn_unary_op_insert, vn_binary_op_insert): Replace with
16878         vn_nary_op_insert.
16879         (visit_unary_op): Call nary functions.
16880         (visit_binary_op): Likewise.
16881         (process_scc): Adjust for struct vn_tables_s changes.
16882         (allocate_vn_table): Likewise.
16883         (free_vn_table): Likewise.
16884         * tree-vn.c (vn_add): Call nary functions.
16885         (vn_lookup): Likewise.
16886
16887 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
16888
16889         PR target/35498
16890         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
16891         wdst back after sync_compare_and_swapqhi_internal.
16892
16893 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
16894
16895         PR target/22152
16896         * config/i386/i386-modes.def (V1DI): New vector mode.
16897         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
16898         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
16899         (MMXMODE248): Ditto.
16900         (MMXMODE): Add V1DI mode.
16901         (mmxvecsize): Change DI mode to V1DI mode.
16902         ("mov<mode>): Use MMXMODEI8 mode iterator.
16903         ("*mov<mode>_internal_rex64"): Ditto.
16904         ("*mov<mode>_internal"): Ditto.
16905         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
16906         ("mmx_sub<mode>3"): Ditto.
16907         ("mmx_adddi3"): Remove insn pattern.
16908         ("mmx_subdi3"): Ditto.
16909         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
16910         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
16911         ("mmx_ashl<mode>3"): Ditto.
16912         ("mmx_lshrdi3"): Remove insn pattern.
16913         ("mmx_ashldi3"): Ditto.
16914         * config/i386/i386.c (classify_argument): Handle V1DImode.
16915         (function_arg_advance_32): Ditto.
16916         (function_arg_32): Ditto.
16917         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
16918         mmx_addv1di3 insn pattern.
16919         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
16920         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
16921         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
16922         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
16923         Remove definitions of built-in functions.
16924         (V1DI_type_node): New node.
16925         (v1di_ftype_v1di_int): Ditto.
16926         (v1di_ftype_v1di_v1di): Ditto.
16927         (v2si_ftype_v2si_si): Ditto.
16928         (v4hi_ftype_v4hi_di): Remove node.
16929         (v2si_ftype_v2si_di): Ditto.
16930         (ix86_init_mmx_sse_builtins): Handle V1DImode.
16931         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
16932         Redefine builtins using def_builtin_const with *_ftype_*_int node.
16933         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
16934         Add new builtins using def_builtin_const.
16935         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
16936         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
16937         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
16938         * config/i386/mmintrin.h (__v1di): New typedef.
16939         (_mm_add_si64): Cast arguments to __v1di type.
16940         (_mm_sub_si64): Ditto.
16941         (_mm_sll_pi16): Cast __count to __v4hi type.
16942         (_mm_sll_pi32): Cast __count to __v2si type.
16943         (_mm_sll_si64): Cast arguments to __v1di type.
16944         (_mm_srl_pi16): Cast __count to __v4hi type.
16945         (_mm_srl_pi32): Cast __count to __v2si type.
16946         (_mm_srl_si64): Cast arguments to __v1di type.
16947         (_mm_sra_pi16): Cast __count to __v4hi type.
16948         (_mm_sra_pi32): Cast __count to __v2si type.
16949         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
16950         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
16951         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
16952         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
16953         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
16954         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
16955         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
16956         (_mm_srai_pi32): Use __builtin_ia32_psradi.
16957         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
16958         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
16959         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
16960         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
16961
16962 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
16963
16964         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
16965
16966 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
16967
16968         PR target/35373
16969         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
16970         reg+const addressing for Altivec modes.  Don't generate reg+reg
16971         addressing for TFmode or TDmode quantities.
16972
16973 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
16974
16975         * c-common.c (vector_types_convertible_p): Call langhook
16976         instead of comptypes.
16977
16978 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16979
16980         PR tree-opt/35402
16981         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
16982         integral and scalar float variables which have a
16983         NULL DECL_INITIAL.
16984
16985 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
16986
16987         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
16988         dwarf_register_span hook when emitting unwind information for
16989         register-to-memory saves.
16990         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
16991         (rs6000_frame_related): Remove call to spe_synthesize_frame.
16992
16993 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
16994
16995         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
16996         for the same VAR_DECL.
16997
16998 2008-03-06  Tom Tromey  <tromey@redhat.com>
16999
17000         * treelang: Delete.
17001         * doc/standards.texi (Standards): Don't mention treelang.
17002         * doc/invoke.texi (Overall Options): Don't mention treelang.
17003         * doc/install.texi (Prerequisites): Don't mention bison or
17004         treelang.
17005         (Configuration): Don't mention treelang.
17006         (Building): Likewise.
17007         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
17008
17009 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
17010
17011         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
17012         word-extractions out of a multi-word object.
17013
17014 2008-03-06  Richard Guenther  <rguenther@suse.de>
17015
17016         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
17017         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
17018         result type and precision.
17019         * expr.c (get_inner_reference): Set unsignedp based on the result
17020         type of BIT_FIELD_REF.
17021         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
17022         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
17023         (try_instantiate_multiple_fields): Likewise.  Use the correct type
17024         for BIT_FIELD_REF.
17025         (sra_build_assignment): Likewise.
17026         (sra_build_elt_assignment): Likewise.
17027         (sra_explode_bitfield_assignment): Likewise.
17028         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
17029         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
17030         set BIT_FIELD_REF_UNSIGNED.
17031         (vectorizable_load): Likewise.
17032
17033 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
17034
17035         * cse.c (cse_extended_basic_block): Invalidate artificial defs
17036         at bb start.
17037
17038 2008-03-06  Richard Guenther  <rguenther@suse.de>
17039
17040         * alias.c (struct alias_set_entry): Move has_zero_child field
17041         to pack with alias_set.
17042
17043 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17044
17045         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17046         32bit host.
17047
17048 2008-03-05  Ian Lance Taylor  <iant@google.com>
17049
17050         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
17051
17052 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
17053
17054         * fwprop.c (update_df): Support width and offset parameters of
17055         df_ref_create.
17056         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
17057         global_conflicts): Change DF_REF_EXTRACT to either
17058         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17059         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17060         * df-scan.c (df_ref_record, df_defs_record,
17061         df_ref_create_structure, df_def_record_1, df_uses_record,
17062         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
17063         df_bb_refs_collect, df_entry_block_defs_collect,
17064         df_exit_block_uses_collect): Support new width and offset fields.
17065         (ref_extract_pool): New storage pool.
17066         (df_free_ref): New function.
17067         (df_reg_chain_unlink, df_free_collection_rec,
17068         df_sort_and_compress_refs): Call df_free_ref.
17069         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
17070         of df_ref_extract.
17071         (df_ref_create_structure): Allocate df_ref_extract if offset and
17072         width fields are used.
17073         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
17074         (df_uses_record): Get offset and width from ZERO_EXTRACT
17075         and SIGN_EXTRACT.
17076         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
17077         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17078         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17079         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
17080         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
17081         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
17082         (df_ref_extract): New structure.
17083         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
17084         (df_ref_create): Add width and offset parameters.
17085
17086 2008-03-05  Richard Guenther  <rguenther@suse.de>
17087
17088         * tree-ssa-structalias.c (get_constraint_for_component_ref):
17089         Use ranges_overlap_p.
17090         (offset_overlaps_with_access): Rename
17091         to ranges_overlap_p and move ...
17092         * tree-flow-inline.h (ranges_overlap_p): ... here.
17093
17094         * tree.h (get_inner_reference, handled_component_p): Update
17095         comments.
17096
17097         * tree.h (record_component_aliases, get_alias_set,
17098         alias_sets_conflict_p, alias_sets_must_conflict_p,
17099         objects_must_conflict_p): Move declarations ...
17100         * alias.h (record_component_aliases, get_alias_set,
17101         alias_sets_conflict_p, alias_sets_must_conflict_p,
17102         objects_must_conflict_p): ... here.
17103         Include coretypes.h.
17104         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
17105
17106 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
17107
17108         * cfg.c: Include tree-flow.h.
17109         (remove_edge_raw): Call redirect_edge_var_map_clear.
17110         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
17111         * tree-flow-inline.h (redirect_edge_var_map_def): New.
17112         (redirect_edge_var_map_result): New.
17113         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
17114         PENDING_STMT use with redirect_edge_var_map_*.
17115         * tree-ssa.c (edge_var_maps): New definition.
17116         (redirect_edge_var_map_add): New.
17117         (redirect_edge_var_map_clear): New.
17118         (redirect_edge_var_map_dup): New.
17119         (redirect_edge_var_map_vector): New.
17120         (redirect_edge_var_map_destroy): New.
17121         (ssa_redirect_edge): Replace PENDING_STMT use with
17122         redirect_edge_var_map_*.
17123         (flush_pending_stmts): Same.
17124         (delete_tree_ssa): Destroy edge var map.
17125         * tree-flow.h (struct _edge_var_map): New.
17126         Define edge_var_map vector type.
17127         Declare redirect_edge_var_map_* prototypes.
17128         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
17129         * tree-cfg.c (reinstall_phi_args): Replace
17130         PENDING_STMT use with redirect_edge_var_map_*.
17131
17132 2008-03-05  Richard Guenther  <rguenther@suse.de>
17133
17134         PR tree-optimization/35472
17135         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
17136         whose single use_stmt has a overlapping set of loaded and
17137         stored symbols as that use_stmt might be a noop assignment then.
17138
17139 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
17140
17141         * gthr-rtems.h: Implement __gthread_mutex_destroy.
17142
17143 2008-03-05  Richard Guenther  <rguenther@suse.de>
17144
17145         PR c++/35336
17146         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
17147         should be constants.
17148         * tree-cfg.c (verify_expr): Verify it.
17149         * fold-const.c (fold_truthop): Remove code generating
17150         BIT_FIELD_REFs of structure bases.
17151         (fold_binary): Likewise.
17152         (fold_ternary): Position and size of BIT_FIELD_REFs are
17153         always host integers.
17154         (make_bit_field_ref): Remove.
17155         (optimize_bit_field_compare): Remove.
17156         (all_ones_mask_p): Remove.
17157
17158 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
17159
17160         PR gcc/33009
17161         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
17162         (split_block_and_df_analyze): New. Split basic block and rebuild
17163         dataflow.
17164         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
17165         SPLIT_BLOCK.
17166         (split_pattern_seq): Likewise.
17167         (erase_matching_seqs): Likewise.
17168         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
17169
17170 2008-03-04  Geoff Keating  <geoffk@apple.com>
17171
17172         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
17173         declaration and code.
17174         (tree_invalid_nonnegative_warnv_p): Likewise.
17175
17176 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
17177
17178         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
17179         examples.  Truncate option-names then causing overfull hbox.
17180
17181 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17182
17183         PR target/35222
17184         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
17185         on hpux10.
17186         * configure: Rebuilt.
17187
17188 2008-03-04  Rafael Espindola  <espindola@google.com>
17189
17190         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
17191         (tree_unary_nonnegative_warnv_p): New.
17192         (tree_binary_nonnegative_warnv_p): New.
17193         (tree_single_nonnegative_warnv_p): New.
17194         (tree_invalid_nonnegative_warnv_p): New.
17195         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
17196
17197 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17198
17199         PR 28322
17200         * opts.c (handle_option): Postpone 'unknown option' errors only for
17201         warning options.
17202
17203 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
17204
17205         PR target/35453
17206         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
17207         (_SIDD_XXX): This.
17208
17209 2008-03-04  Rafael Espindola  <espindola@google.com>
17210
17211         * fold-const.c (tree_unary_nonzero_warnv_p): New.
17212         (tree_binary_nonzero_warnv_p): New.
17213         (tree_single_nonzero_warnv_p): New.
17214         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
17215
17216 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
17217
17218         PR middle-end/35456
17219         * fold-const.c (fold_cond_expr_with_comparison): Prevent
17220         transformations for modes that have signed zeros.
17221         * ifcvt.c (noce_try_abs): Ditto.
17222
17223 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
17224
17225         * config/i386/i386.c (override_options): Force
17226         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
17227
17228 2008-03-04  Jan Hubicka  <jh@suse.cz>
17229
17230         PR c++/35262
17231         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
17232         in last commit.
17233
17234 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17235
17236         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
17237         label to probe the stack.
17238
17239 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
17240
17241         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
17242         (__gthr_win32_mutex_destroy): Declare.
17243         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
17244         __gthr_win32_mutex_destroy.
17245         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
17246
17247 2008-03-03  Jan Hubicka  <jh@suse.cz>
17248
17249         PR c++/35262
17250         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
17251         aggressive on inlining cold calls.
17252
17253 2008-03-03  Richard Guenther  <rguenther@suse.de>
17254
17255         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
17256         struct copies into the expression table.
17257         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
17258         (try_to_simplify): Likewise.
17259         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
17260         integral and pointer arguments which do not change the
17261         precision to NOP_EXPRs.
17262         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
17263         VIEW_CONVERT_EXPR case.
17264
17265 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
17266
17267         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
17268         defined in a loop at depth 0 is invariant.
17269         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
17270         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
17271         be called at loop depth 0.
17272
17273 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
17274
17275         PR driver/35420
17276         * gcc.c (process_command): Update copyright notice dates.
17277         * gcov.c (print_version): Likewise.
17278         * gcov-dump.c (print_version): Likewise.
17279         * mips-tfile.c (main): Likewise.
17280         * mips-tdump.c (main): Likewise.
17281
17282 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17283
17284         PR 24924
17285         * c-common.c (flag_permissive): Delete.
17286         (constant_expression_warnings): Check flags first.
17287         (constant_expression_error): New.
17288         * c-common.h (flag_permissive): Delete.
17289         (constant_expression_error): Declare.
17290         * flags.h (flag_permissive): Declare. Update description.
17291         * diagnostic.c (pedwarn): Update.
17292         (permerror): New.
17293         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
17294         (permissive_error_kind): New.
17295         * toplev.c (flag_permissive): Define. Update description.
17296         * toplev.h (permissive_error_kind): Declare.
17297         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
17298         (pedwarn_c90): Use pedantic_warning_kind.
17299         * c-opts.c (c_common_post_options): flag_permissive does not affect
17300         flag_pedantic_errors.
17301
17302 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
17303
17304         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
17305         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
17306         __absvsi2, __absvDI2): Use unsigned arithmetic.
17307
17308 2008-03-02  Andi Kleen  <ak@suse.de>
17309             Richard Guenther  <rguenther@suse.de>
17310
17311         * struct-equiv.c: Remove file.
17312         * cfg_cleanup.c (condjump_equiv_p): Remove.
17313         * Makefile.in (OBJS-common): Remove struct-equiv.o.
17314         (struct-equiv.o): Remove rule.
17315         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
17316         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
17317         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
17318
17319 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17320
17321         * ifcvt.c (noce_process_if_block): Try to handle only the then
17322         block if the else block exists but isn't suitable.
17323
17324 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17325
17326         PR gcc/35063
17327         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
17328         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
17329         regression from previous patch.
17330
17331 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
17332
17333         PR gcc/35063
17334         * gthr.h: Add __gthread_mutex_destroy as a function that must be
17335         implemented.
17336         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
17337         * gthr-single.h (__gthread_mutex_destroy): Likewise.
17338         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
17339         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
17340         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
17341         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
17342         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
17343         (__gthread_mutex_destroy_function): Rename to
17344         __gthread_mutex_destroy.
17345         * gthr-dce.h (__gthread_mutex_destroy): Call
17346         pthread_mutex_destroy.
17347         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
17348         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
17349         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
17350
17351 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17352
17353         * df-scan.c (df_ref_chain_change_bb): Simplify.
17354         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
17355         set_block_for_insn if there's any change.
17356         * df.h ((df_insn_change_bb): Fix prototype.
17357         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
17358         df_insn_change_bb, don't call set_block_for_insn.
17359         * emit-rtl.c (reorder_insns): Likewise.
17360         * haifa-sched.c (move_insn): Likewise.
17361
17362 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17363
17364         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
17365
17366 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
17367
17368         * tree-flow-inline.h (next_readonly_imm_use): Return
17369         NULL_USE_OPERAND_P after the end.
17370
17371 2008-03-01  Richard Guenther  <rguenther@suse.de>
17372
17373         PR tree-optimization/35411
17374         * tree-sra.c (sra_build_assignment): Split conversion to
17375         final type to a separate statement if we are not assigning
17376         to a register.
17377
17378 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
17379
17380         * fold-const.c (fold_convertible_p): Correct the logic to follow
17381         that in fold_convert().
17382
17383 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
17384
17385         PR c++/35315
17386         * tree-inline.c (build_duplicate_type): When we make a
17387         duplicate type, make it unique in the canonical types system.
17388
17389 2008-02-29  Tom Tromey  <tromey@redhat.com>
17390
17391         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
17392         input_file_stack_history, input_file_stack_restored): Remove.
17393         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17394         * input.h (struct file_stack): Remove.
17395         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
17396         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
17397         Likewise.
17398         * diagnostic.h (struct diagnostic_context) <last_module>: Change
17399         type.
17400         (diagnostic_last_module_changed): Add 'map' argument.
17401         (diagnostic_set_last_function): Likewise.
17402         * diagnostic.c (undiagnostic_report_current_module): Iterate using
17403         line map, not input_file_stack.
17404         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
17405
17406 2008-02-29  Paul Brook  <paul@codesourcery.com>
17407
17408         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
17409
17410 2008-02-29  Paul Brook  <paul@codesourcery.com>
17411
17412         * config/arm/ieee754-df.S (muldf3): Use RET macros.
17413
17414 2008-02-29  Richard Guenther  <rguenther@suse.de>
17415
17416         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
17417         vn_lookup_or_add.
17418         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
17419         value for comparing for a store match.
17420         (simplify_unary_expression): Do nothing for SSA_NAMEs.
17421         (try_to_simplify): Do not do a full-blown reference lookup.
17422
17423 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17424
17425         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
17426         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
17427
17428         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
17429
17430 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
17431
17432         * tree-loop-linear.c (try_interchange_loops): Compare memory access
17433         strides against cache sizes.
17434
17435 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
17436
17437         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
17438         constant to fpul.
17439
17440 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
17441
17442         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
17443         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
17444         is smaller than the original promoted value.
17445         (simplify_subreg): If OP is a SUBREG, try to preserve its
17446         SUBREG_PROMOTED_VAR_P information.
17447
17448 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
17449
17450         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
17451         (VN_INFO_GET): Allocate new objects on the obstack.
17452         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
17453         for rpo_numbers_temp, for consistency.
17454         (free_scc_vn): Free the obstack.
17455
17456 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
17457
17458         * doc/invoke.texi: Document -ftree-loop-distribution.
17459         * tree-loop-distribution.c: New.
17460         * tree-pass.h (pass_loop_distribution): New.
17461         * graphds.h (struct graph): Add htab_t indices.
17462         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
17463         * tree-vectorizer.c (rename_variables_in_loop): Extern.
17464         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
17465         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
17466         * tree-data-ref.c (debug_data_dependence_relations): New.
17467         (dump_data_dependence_relation): Also print data references.
17468         (free_data_ref): Extern.
17469         (same_access_functions): Moved...
17470         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
17471         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17472         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
17473         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
17474         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
17475         (stmts_from_loop): Skip LABEL_EXPR.
17476         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
17477         New.
17478         (build_rdg): Initialize rdg->indices htab.
17479         (free_rdg, stores_from_loop, ref_base_address,
17480         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
17481         have_similar_memory_accesses_1, ref_base_address_1,
17482         remove_similar_memory_refs): New.
17483         * tree-data-ref.h: Depend on tree-chrec.h.
17484         (debug_data_dependence_relations, free_data_ref): Declared.
17485         (same_access_functions): ... here.
17486         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
17487         New.
17488         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
17489         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
17490         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
17491         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
17492         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
17493         rdg_vertex_for_stmt): Declared.
17494         (struct rdg_edge): Add level.
17495         (RDGE_LEVEL): New.
17496         (free_rdg, stores_from_loop, remove_similar_memory_refs,
17497         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
17498         Declared.
17499         (rdg_has_similar_memory_accesses): New.
17500         * tree-vect-analyze.c: Remove unused static decls.
17501         * lambda.h (dependence_level): New.
17502         * common.opt (ftree-loop-distribution): New.
17503         * tree-flow.h (mark_virtual_ops_in_bb,
17504         slpeel_tree_duplicate_loop_to_edge_cfg,
17505         rename_variables_in_loop): Declared.
17506         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
17507         (OBJS-common): Add tree-loop-distribution.o.
17508         (tree-loop-distribution.o): New rule.
17509         * tree-cfg.c (mark_virtual_ops_in_bb): New.
17510         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
17511         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
17512
17513 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
17514
17515         PR target/33963
17516         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
17517         other than structures and unions.
17518
17519 2008-02-28  Richard Guenther  <rguenther@suse.de>
17520
17521         Revert:
17522         2008-02-26  Richard Guenther  <rguenther@suse.de>
17523
17524         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17525         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17526         (lookup_decl_from_uid): Declare.
17527         (remove_decl_from_map): Likewise.
17528         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17529         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17530         (decl_for_uid_map): New global hashtable mapping DECL_UID
17531         to the decl tree.
17532         (init_ttree): Allocate it.
17533         (insert_decl_to_uid_decl_map): New helper function.
17534         (make_node_stat): Insert new decls into the map.
17535         (copy_node_stat): Likewise.
17536         (lookup_decl_from_uid): New function.
17537         (remove_decl_from_map): Likewise.
17538         (print_decl_for_uid_map_statistics): New helper.
17539         (dump_tree_statistics): Call it.
17540
17541         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17542         (referenced_var_iterator): Adjust.
17543         (FOR_EACH_REFERENCED_VAR): Adjust.
17544         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17545         (num_referenced_vars): Adjust.
17546         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17547         (first_referenced_var): Remove.
17548         (end_referenced_vars_p): Likewise.
17549         (next_referenced_var): Likewise.
17550         (referenced_var_iterator_set): New helper function.
17551         * tree-dfa.c (referenced_var_lookup): Adjust.
17552         (referenced_var_check_and_insert): Likewise.
17553         (remove_referenced_var): Likewise.
17554         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17555         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17556         (verify_call_clobbering): Likewise.
17557         (verify_memory_partitions): Likewise.
17558         (init_tree_ssa): Allocate bitmap instead of hashtable for
17559         referenced_vars.
17560         (delete_tree_ssa): Adjust.
17561         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17562         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17563         (compute_tag_properties): Likewise.
17564         (set_initial_properties): Likewise.
17565         (find_partition_for): Likewise.
17566         (update_reference_counts): Likewise.
17567         (dump_may_aliases_for): Likewise.
17568         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17569         (add_call_clobber_ops): Likewise.
17570         (add_call_read_ops): Likewise.
17571         (get_asm_expr_operands): Likewise.
17572         * tree-into-ssa.c (dump_decl_set): Likewise.
17573         (update_ssa): Likewise.
17574         * tree-sra.c (scan_function): Likewise.
17575         (decide_instantiations): Likewise.
17576         (scalarize_parms): Likewise.
17577         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17578         (dsa_named_for): Likewise.
17579         * tree-ssa-structalias.c (update_alias_info): Likewise.
17580         (merge_smts_into): Likewise.
17581
17582 2008-02-27  David Daney  <ddaney@avtrex.com>
17583
17584         PR target/34409
17585         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
17586         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
17587         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
17588         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
17589         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
17590
17591 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
17592
17593         PR target/25477
17594         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
17595         (BUILT_IN_NEXTTOWARD): Remove.
17596         (BUILT_IN_NEXTTOWARDF): Ditto.
17597         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
17598         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
17599
17600 2008-02-27  Tom Tromey  <tromey@redhat.com>
17601
17602         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
17603         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
17604
17605 2008-02-27  Jan Beulich  <jbeulich@novell.com>
17606
17607         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
17608         update the respective field on newdecl.
17609
17610 2008-02-27  Revital Eres  <eres@il.ibm.com>
17611
17612         PR rtl-optimization/34999
17613         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
17614         crossing edges that ends with a call insn.
17615         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
17616         call insn and clear the EDGE_CROSSING flag of the crossing edge
17617         when fixing fallthru edges.
17618
17619 2008-02-27  Richard Guenther  <rguenther@suse.de>
17620
17621         PR middle-end/35390
17622         * fold-const.c (fold_unary): Return the correct argument,
17623         converted to the result type.
17624
17625 2008-02-27  Richard Guenther  <rguenther@suse.de>
17626
17627         PR middle-end/34971
17628         * expr.c (expand_expr_real_1): Assert on rotates that operate
17629         on partial modes.
17630         * fold-const.c (fold_binary): Use the types precision, not the
17631         bitsize of the mode if folding rotate expressions.  Build rotates
17632         only for full modes.
17633
17634 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
17635
17636         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
17637         and CPP_PRAGMA_EOL.
17638         * c-pragma.c (pragma_ns_name): New typedef.
17639         (registered_pp_pragmas): New variable.
17640         (c_pp_lookup_pragma): New function.
17641         (c_register_pragma_1): If flag_preprocess_only, do nothing
17642         for non-expanded pragmas, for expanded ones push pragma's
17643         namespace and name into registered_pp_pragmas vector.
17644         (c_invoke_pragma_handler): Register OpenMP pragmas even when
17645         flag_preprocess_only, don't register GCC pch_preprocess
17646         pragma if flag_preprocess_only.
17647         * c-opts.c (c_common_init): Call init_pragma even if
17648         flag_preprocess_only.
17649         * c-pragma.c (c_pp_lookup_pragma): New prototype.
17650         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
17651         cpp_register_pragma if flag_preprocess_only.
17652
17653 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17654
17655         PR c/28800
17656         * c-parser.c (c_parser_translation_unit): Warn for empty
17657         translation unit, not empty source file.
17658
17659 2008-02-26  Paul Brook  <paul@codesourcery.com>
17660
17661         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
17662         operand for Thumb-2.
17663         * config/arm/arm.h (reg_class): Add CORE_REGS.
17664         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
17665         (BASE_REG_CLASS): Use CORE_REGS.
17666         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
17667         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
17668         (REGNO_OK_FOR_INDEX_P): Exclude SP.
17669         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
17670         ARM_REGNO_OK_FOR_INDEX_P.
17671         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
17672         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
17673         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
17674         (ldm/stm peepholes): Ditto.
17675         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
17676         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
17677         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
17678         * config/arm/constraints.md: Enable "k" constraint on ARM.
17679
17680 2008-02-27  Ben Elliston  <bje@au.ibm.com>
17681
17682         * config/rs6000/rs6000.c: Annotate cache line size field in all
17683         instances of struct processor_costs.
17684
17685 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
17686
17687         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
17688         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
17689         jump_bypass): New counters.
17690         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
17691         * dce.c (gate_ud_dce): Same.
17692         (gate_fast_dce): Same.
17693         * dse.c (gate_dse1): New function.
17694         (gate_dse2): New function.
17695         (gate_dse): Merge results of new gate functions.
17696         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
17697         (gate_handle_jump_bypass): Add dbg_cnt.
17698         (gate_handle_gcse): Add dbg_cnt.
17699         * ifcvt.c (gate_handle_if_conversion): Same.
17700         (gate_handle_if_after_combine): Same.
17701         (gate_handle_if_after_reload): Same.
17702         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
17703
17704 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
17705
17706         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
17707         line sizes.
17708         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
17709
17710 2008-02-26  Jason Merrill  <jason@redhat.com>
17711
17712         PR c++/35315
17713         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
17714         alone if it's the naming decl for the type's main variant.
17715
17716 2008-02-26  Tom Tromey  <tromey@redhat.com>
17717
17718         * system.h (USE_MAPPED_LOCATION): Poison.
17719         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
17720         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
17721         (make_goto_expr_edges): Likewise.
17722         (remove_bb): Likewise.
17723         (execute_warn_function_return): Likewise.
17724         * basic-block.h (struct edge_def) <goto_locus>: Change type to
17725         location_t.
17726         * c-common.c (fname_decl): Remove old location code.
17727         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
17728         location code.
17729         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
17730         variant.
17731         (ASM_INPUT_SOURCE_LOCATION): Likewise.
17732         (gen_rtx_ASM_INPUT): Likewise.
17733         (gen_rtx_ASM_INPUT_loc): Likewise.
17734         (get_rtx_asm_OPERANDS): Remove.
17735         * cfglayout.c (insn_locators_alloc): Remove old location code.
17736         (set_curr_insn_source_location): Likewise.
17737         (curr_insn_locator): Likewise.
17738         * print-tree.c (print_node): Remove old location code.
17739         * tree-mudflap.c (mf_varname_tree): Remove old location code.
17740         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
17741         * cfgexpand.c (expand_gimple_cond_expr): Don't use
17742         location_from_locus.
17743         (construct_exit_block): Remove old location code.
17744         * emit-rtl.c (force_next_line_note): Remove old location code.
17745         * profile.c (branch_prob): Remove old location code.
17746         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
17747         LOC_LINE): Remove old-location variants.
17748         * langhooks.c (lhd_print_error_function): Remove old location
17749         code.
17750         * configure, config.in: Rebuilt.
17751         * configure.ac (--enable-mapped-location): Remove.
17752         * c-decl.c (c_init_decl_processing): Remove old location code.
17753         (finish_function): Likewise.
17754         * recog.c (decode_asm_operands): Remove old location code.
17755         * c-pch.c (c_common_read_pch): Remove old location code.
17756         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
17757         variants.
17758         * gimple-low.c (lower_function_body): Remove old location code.
17759         * toplev.c (unknown_location): Remove.
17760         (push_srcloc): Remove old-location variant.
17761         (process_options): Remove old location code.
17762         (lang_dependent_init): Likewise.
17763         * input.h (UNKNOWN_LOCATION): Move definition.
17764         (location_t): Undeprecate.
17765         (source_locus): Remove.
17766         (location_from_locus): Remove.
17767         (struct location_s): Remove.
17768         Remove all old-location code.
17769         (input_line, input_filename): Remove.
17770         * final.c (final_scan_insn): Remove old location code.
17771         * diagnostic.c (diagnostic_build_prefix): Remove
17772         USE_MAPPED_LOCATION test.
17773         * tree.h (gimple_stmt) <locus>: Now a location_t.
17774         (tree_exp) <locus>: Likewise.
17775         (DECL_IS_BUILTIN): Remove old-location variant.
17776         (annotate_with_file_line, annotate_with_locus): Likewise.
17777         (expr_locus, set_expr_locus): Update.
17778         * tree.c (build1_stat): Remove old location code.
17779         (last_annotated_node): Remove.
17780         (annotate_with_file_line): Remove old-location variant.
17781         (annotate_with_locus): Likewise.
17782         (expr_location): Remove old location code.
17783         (set_expr_location): Likewise.
17784         (expr_has_location): Likewise.
17785         (expr_locus): Likewise.
17786         (set_expr_locus): Likewise.
17787         (expr_filename): Don't use location_from_locus.
17788         (expr_lineno): Likewise.
17789         * rtl-error.c (location_for_asm): Remove old location code.
17790         * c-lex.c (cb_line_change): Remove old location code.
17791         (fe_file_change): Likewise.
17792         (cb_def_pragma): Likewise.
17793         (c_lex_with_flags): Likewise.
17794         * gengtype.c (do_typedef): Don't special-case location types.
17795         (define_location_structures): Remove.
17796         (main): Don't call define_location_structures.
17797         * tree-pretty-print.c (dump_implicit_edges): Remove old location
17798         code.
17799
17800 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17801
17802         PR 26264
17803         * builtins.def (BUILT_IN_STDARG_START): Remove.
17804         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
17805         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
17806         * tree-inline.c (inline_forbidden_p_1): Likewise.
17807
17808 2008-02-26  Richard Guenther  <rguenther@suse.de>
17809
17810         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17811         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17812         (lookup_decl_from_uid): Declare.
17813         (remove_decl_from_map): Likewise.
17814         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17815         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17816         (decl_for_uid_map): New global hashtable mapping DECL_UID
17817         to the decl tree.
17818         (init_ttree): Allocate it.
17819         (insert_decl_to_uid_decl_map): New helper function.
17820         (make_node_stat): Insert new decls into the map.
17821         (copy_node_stat): Likewise.
17822         (lookup_decl_from_uid): New function.
17823         (remove_decl_from_map): Likewise.
17824         (print_decl_for_uid_map_statistics): New helper.
17825         (dump_tree_statistics): Call it.
17826
17827         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17828         (referenced_var_iterator): Adjust.
17829         (FOR_EACH_REFERENCED_VAR): Adjust.
17830         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17831         (num_referenced_vars): Adjust.
17832         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17833         (first_referenced_var): Remove.
17834         (end_referenced_vars_p): Likewise.
17835         (next_referenced_var): Likewise.
17836         (referenced_var_iterator_set): New helper function.
17837         * tree-dfa.c (referenced_var_lookup): Adjust.
17838         (referenced_var_check_and_insert): Likewise.
17839         (remove_referenced_var): Likewise.
17840         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17841         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17842         (verify_call_clobbering): Likewise.
17843         (verify_memory_partitions): Likewise.
17844         (init_tree_ssa): Allocate bitmap instead of hashtable for
17845         referenced_vars.
17846         (delete_tree_ssa): Adjust.
17847         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17848         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17849         (compute_tag_properties): Likewise.
17850         (set_initial_properties): Likewise.
17851         (find_partition_for): Likewise.
17852         (update_reference_counts): Likewise.
17853         (dump_may_aliases_for): Likewise.
17854         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17855         (add_call_clobber_ops): Likewise.
17856         (add_call_read_ops): Likewise.
17857         (get_asm_expr_operands): Likewise.
17858         * tree-into-ssa.c (dump_decl_set): Likewise.
17859         (update_ssa): Likewise.
17860         * tree-sra.c (scan_function): Likewise.
17861         (decide_instantiations): Likewise.
17862         (scalarize_parms): Likewise.
17863         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17864         (dsa_named_for): Likewise.
17865         * tree-ssa-structalias.c (update_alias_info): Likewise.
17866         (merge_smts_into): Likewise.
17867
17868 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17869
17870         PR 34351
17871         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
17872         * c-opts.c (c_common_handle_option): Wall enables
17873         Wvolatile-register-var.
17874         * common.opt: Move Wvolatile-register-var to...
17875         * c.opt: ...here.
17876
17877 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17878
17879         * common.opt (Wlarger-than=): New.
17880         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
17881         -Wlarger-than=.
17882         * opts.c (common_handle_option): Handle -Wlarger-than=.
17883         * optc-gen.awk: Likewise.
17884         * opth-gen.awk: Likewise.
17885         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
17886         * tree-optimize.c (tree_rest_of_compilation): Likewise.
17887
17888 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17889
17890         * c-common.c (match_case_to_enum_1): Add appropriate
17891         OPT_W* parameter to warning.
17892         (c_do_switch_warnings): Likewise.
17893         * c-typeck.c (warning_init): Add one more parameter following
17894         'warning' function.
17895         (push_init_level): Update call to warning_init.
17896         (pop_init_level): Likewise.
17897         (add_pending_init): Likewise.
17898         (output_init_element: Likewise.
17899
17900 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17901
17902         PR 28322
17903         * toplev.c (toplev_main): If there are warnings or error, print
17904         errors for ignored options.
17905         * opts.c (ignored_options): New static variable.
17906         (postpone_unknown_option_error): New.
17907         (print_ignored_options): New.
17908         (handle_option): Postpone errors for unknown -Wno-* options.
17909         * opts.h (print_ignored_options): Declare.
17910
17911 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17912
17913         * config/mips/mips.md (loadgp_blockage, blockage): Change type
17914         to "ghost".
17915
17916 2008-02-25  Richard Guenther  <rguenther@suse.de>
17917
17918         Revert:
17919         2008-02-25  Richard Guenther  <rguenther@suse.de>
17920
17921         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
17922         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
17923         (lookup_decl_from_uid): Declare.
17924         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
17925         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
17926         (decl_for_uid_map): New global hashtable mapping DECL_UID
17927         to the decl tree.
17928         (init_ttree): Allocate it.
17929         (insert_decl_to_uid_decl_map): New helper function.
17930         (make_node_stat): Insert new decls into the map.
17931         (copy_node_stat): Likewise.
17932         (lookup_decl_from_uid): New function.
17933         (print_decl_for_uid_map_statistics): New helper.
17934         (dump_tree_statistics): Call it.
17935
17936         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
17937         (referenced_var_iterator): Adjust.
17938         (FOR_EACH_REFERENCED_VAR): Adjust.
17939         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
17940         (num_referenced_vars): Adjust.
17941         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
17942         (first_referenced_var): Remove.
17943         (end_referenced_vars_p): Likewise.
17944         (next_referenced_var): Likewise.
17945         (referenced_var_iterator_set): New helper function.
17946         * tree-dfa.c (referenced_var_lookup): Adjust.
17947         (referenced_var_check_and_insert): Likewise.
17948         (remove_referenced_var): Likewise.
17949         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
17950         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17951         (verify_call_clobbering): Likewise.
17952         (verify_memory_partitions): Likewise.
17953         (init_tree_ssa): Allocate bitmap instead of hashtable for
17954         referenced_vars.
17955         (delete_tree_ssa): Adjust.
17956         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
17957         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
17958         (compute_tag_properties): Likewise.
17959         (set_initial_properties): Likewise.
17960         (find_partition_for): Likewise.
17961         (update_reference_counts): Likewise.
17962         (dump_may_aliases_for): Likewise.
17963         * tree-ssa-operands.c (add_virtual_operand): Likewise.
17964         (add_call_clobber_ops): Likewise.
17965         (add_call_read_ops): Likewise.
17966         (get_asm_expr_operands): Likewise.
17967         * tree-into-ssa.c (dump_decl_set): Likewise.
17968         (update_ssa): Likewise.
17969         * tree-sra.c (scan_function): Likewise.
17970         (decide_instantiations): Likewise.
17971         (scalarize_parms): Likewise.
17972         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
17973         (dsa_named_for): Likewise.
17974         * tree-ssa-structalias.c (update_alias_info): Likewise.
17975         (merge_smts_into): Likewise.
17976
17977 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17978
17979         PR fortran/29549
17980         * doc/invoke.texi (-fcx-limited-range): Document new option.
17981         * toplev.c (process_options): Handle -fcx-fortran-rules.
17982         * common.opt: Add documentation for -fcx-fortran-rules.
17983
17984 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
17985
17986         PR c/35162
17987         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
17988         actual behaviour and C99.
17989
17990 2008-02-26  Ben Elliston  <bje@au.ibm.com>
17991
17992         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
17993         (ASM_CPU_POWER6_SPEC): Likewise.
17994         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
17995         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
17996         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
17997
17998 2008-02-25  Richard Guenther  <rguenther@suse.de>
17999
18000         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
18001         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
18002         (lookup_decl_from_uid): Declare.
18003         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
18004         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
18005         (decl_for_uid_map): New global hashtable mapping DECL_UID
18006         to the decl tree.
18007         (init_ttree): Allocate it.
18008         (insert_decl_to_uid_decl_map): New helper function.
18009         (make_node_stat): Insert new decls into the map.
18010         (copy_node_stat): Likewise.
18011         (lookup_decl_from_uid): New function.
18012         (print_decl_for_uid_map_statistics): New helper.
18013         (dump_tree_statistics): Call it.
18014
18015         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
18016         (referenced_var_iterator): Adjust.
18017         (FOR_EACH_REFERENCED_VAR): Adjust.
18018         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
18019         (num_referenced_vars): Adjust.
18020         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
18021         (first_referenced_var): Remove.
18022         (end_referenced_vars_p): Likewise.
18023         (next_referenced_var): Likewise.
18024         (referenced_var_iterator_set): New helper function.
18025         * tree-dfa.c (referenced_var_lookup): Adjust.
18026         (referenced_var_check_and_insert): Likewise.
18027         (remove_referenced_var): Likewise.
18028         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
18029         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18030         (verify_call_clobbering): Likewise.
18031         (verify_memory_partitions): Likewise.
18032         (init_tree_ssa): Allocate bitmap instead of hashtable for
18033         referenced_vars.
18034         (delete_tree_ssa): Adjust.
18035         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
18036         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
18037         (compute_tag_properties): Likewise.
18038         (set_initial_properties): Likewise.
18039         (find_partition_for): Likewise.
18040         (update_reference_counts): Likewise.
18041         (dump_may_aliases_for): Likewise.
18042         * tree-ssa-operands.c (add_virtual_operand): Likewise.
18043         (add_call_clobber_ops): Likewise.
18044         (add_call_read_ops): Likewise.
18045         (get_asm_expr_operands): Likewise.
18046         * tree-into-ssa.c (dump_decl_set): Likewise.
18047         (update_ssa): Likewise.
18048         * tree-sra.c (scan_function): Likewise.
18049         (decide_instantiations): Likewise.
18050         (scalarize_parms): Likewise.
18051         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
18052         (dsa_named_for): Likewise.
18053         * tree-ssa-structalias.c (update_alias_info): Likewise.
18054         (merge_smts_into): Likewise.
18055
18056 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
18057
18058         PR target/35258
18059         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
18060         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
18061         * alias.h (nonoverlapping_memrefs_p): Likewise.
18062
18063 2008-02-25  Jan Beulich  <jbeulich@novell.com>
18064
18065         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
18066         * config/i386/netware-libgcc.exp: Add __bswap?i2,
18067         __emultls_get_address, __emultls_register_common,
18068         __floatundi?f, and _Unwind_GetIPInfo.
18069         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
18070         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
18071         (gen_regparm_prefix): Likewise.
18072         (i386_nlm_encode_section_info): Sync with
18073         config/i386/winnt.c:i386_pe_encode_section_info().
18074         (i386_nlm_maybe_mangle_decl_assembler_name): New.
18075         i386_nlm_mangle_decl_assembler_name): New.
18076         (netware_override_options): New.
18077         * config/i386/netware.h (netware_override_options): Declare.
18078         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
18079         (i386_nlm_mangle_decl_assembler_name): Declare.
18080         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
18081
18082 2008-02-25  Ben Elliston  <bje@au.ibm.com>
18083
18084         PR other/32948
18085         * c-decl.c (grokdeclarator): Remove unused local variables
18086         `typedef_type' and `type_as_written'.
18087         * bb-reorder.c
18088         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
18089         unused local variable `has_hot_blocks'.
18090         (fix_crossing_conditional_branches): Remove unused local variable
18091         `prev_bb'.
18092
18093 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
18094
18095         PR middle-end/19984
18096         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
18097         using DEF_C99_BUILTIN.
18098         (BUILT_IN_NANF): Ditto.
18099         (BUILT_IN_NANL): Ditto.
18100
18101 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
18102             Revital Eres  <eres@il.ibm.com>
18103
18104         * modulo-sched.c (calculate_must_precede_follow): Address TODO
18105         regarding the order of two dependent insns in the same row.
18106
18107 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
18108
18109         * stor-layout.c (layout_decl): Do not bump the alignment of a
18110         bit-field to more than byte alignment if it is packed.
18111
18112 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
18113
18114         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
18115         e300c2 and e300c3.
18116
18117 2008-02-24  Diego Novillo  <dnovillo@google.com>
18118
18119         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
18120
18121         PR 33738
18122         * tree-vrp.c (vrp_evaluate_conditional): With
18123         -Wtype-limits, emit a warning when comparing against a
18124         constant outside the natural range of OP0's type.
18125         * c.opt (Wtype-limits): Move ...
18126         * common.opt (Wtype-limits): ... here.
18127
18128 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
18129
18130         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
18131         * config/rs6000/e300c2c3.md: New file.
18132         * config/rs6000/rs6000.c (processor_costs): Add new costs for
18133         e300c2 and e300c3.
18134         (rs6000_override_options): Add e300c2 and e300c3 cases to
18135         processor_target_table. Do not allow usage of Altivec or Spe
18136         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
18137         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
18138         * config/rs6000/rs6000.h (processor_type): Add
18139         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
18140         (ASM_CPU_SPEC): Add e300c2 and e300c3.
18141         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
18142         and ppce300c3. Include e300c2c3.md.
18143
18144 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
18145
18146         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
18147         instead of TARGET_STRICT_ALIGN.
18148
18149 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
18150
18151         * explow.c (memory_address): Assert that the generated address is
18152         valid.
18153
18154 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
18155
18156         PR target/25477
18157         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
18158         * config/darwin-ppc-ldouble-patch.def: New file.
18159         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
18160         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
18161         SUBTARGET_INIT_BUILTINS if defined.
18162         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
18163         New functions.
18164
18165 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18166
18167         PR rtl-opt/33512
18168         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
18169         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
18170
18171 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18172
18173         PR pch/35027
18174         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
18175         file" warning condtional on -Winvalid-PCH.
18176
18177 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
18178
18179         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
18180
18181 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
18182
18183         PR target/22076
18184         PR target/34256
18185         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
18186         prevent reload from using MMX registers.
18187         (*mov<mode>_internal): Ditto.
18188         (*movv2sf_internal_rex64): Ditto.
18189         (*movv2sf_internal): Ditto.
18190
18191 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18192
18193         PR documentation/31569
18194         * doc/install.texi2html: Use makeinfo --no-number-sections.
18195
18196 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18197
18198         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
18199         ensure that we can address an entire entity > 8 bytes.  Don't
18200         generate reg+reg addressing for such data.
18201
18202 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18203
18204         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
18205         strings when optimizing for size, unless the target cares about
18206         alignment.
18207
18208 2008-02-22  Tom Tromey  <tromey@redhat.com>
18209
18210         * regclass.c (current_pass): Remove declaration.
18211
18212 2008-02-22  Anatoly Sokolov <aesok@post.ru>
18213
18214         * config/avr/libgcc.S (__RAMPZ__): Define.
18215         (__do_copy_data): Add for devices with 128KB code memory.
18216
18217 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
18218
18219         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
18220         Use spe_abi.
18221         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
18222
18223 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
18224
18225         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
18226         GENNONACR_REGS.
18227
18228 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18229
18230         PR c/19999
18231         * c-typeck.c (build_binary_op): Warn about floating point
18232         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
18233
18234 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
18235
18236         PR target/34526
18237         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
18238         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
18239         add vrsave.
18240         (rs6000_override_options): Set altivec_abi as default, not override,
18241         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
18242         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
18243         is used; use new member spe_abi.
18244         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
18245         spe_abi and altivec_abi.
18246
18247 2008-02-22  Tomas Bily  <tbily@suse.cz>
18248
18249         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
18250
18251 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18252
18253         PR bootstrap/35273
18254         * config.build (build_file_translate): Set to `CMD //c' only if
18255         it works.
18256         * Makefile.in (build_file_translate): Improve comment.
18257
18258 2008-02-21  Jan Hubicka  <jh@suse.cz>
18259
18260         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
18261         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
18262         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
18263
18264 2008-02-21  Michael Matz  <matz@suse.de>
18265
18266         PR target/35264
18267         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
18268
18269 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
18270
18271         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
18272         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
18273         as insn constraint.
18274         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
18275         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
18276         SSE_VEC_FLOAT_MODE_P as insn constraint.
18277         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
18278         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
18279         sse4a_movntdf using MODEF mode iterator.
18280         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
18281         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
18282         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
18283         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
18284         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
18285         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
18286         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
18287
18288 2008-02-21  Richard Guenther  <rguenther@suse.de>
18289
18290         * tree.def (PAREN_EXPR): New tree code.
18291         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
18292         and PAREN_EXPR.
18293         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
18294         * expr.c (expand_expr_real_1): Likewise.
18295         * tree-inline.c (estimate_num_insns_1): Likewise.
18296         * tree-complex.c (expand_complex_move): Likewise.
18297         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
18298         as plain x.
18299
18300 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18301
18302         PR target/35225
18303         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
18304
18305 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
18306
18307         PR target/35190
18308         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
18309
18310         * config/sh/sh.c (find_barrier): Don't go past
18311         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
18312
18313 2008-02-20  DJ Delorie  <dj@redhat.com>
18314
18315         * config/h8300/h8300.md (insv): Force source operand to be a register.
18316
18317         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
18318         as a jump, not as a plain insn.
18319
18320 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
18321
18322         * doc/invoke.texi (Warning Options): Add new option
18323         -Wframe-larger-than=.
18324         (-Wframe-larger-than): Document.
18325
18326         * flags.h (warn_frame_larger_than, frame_larger_than_size):
18327         Add declarations for new option variables.
18328
18329         * final.c (final_start_function): Check the frame size
18330         before emission and issue a Wframe-larger-than warning.
18331
18332         * opts.c (warn_frame_larger_than, frame_larger_than_size):
18333         Add definitions for new option variables.
18334         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
18335
18336         * common.opt (Wframe-larger-than=): New option.
18337
18338 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18339
18340         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
18341         (<sse>_div<mode>3): Ditto.
18342         (<sse>_vmdiv<mode>3): Ditto.
18343         (<sse>_vmsqrt<mode>2): Ditto.
18344         (*smax<mode>3): Ditto.
18345         (sse5_frcz<mode>2): Ditto.
18346         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
18347         as insn constraint.
18348
18349 2008-02-20  Richard Guenther  <rguenther@suse.de>
18350
18351         PR middle-end/35265
18352         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
18353         be happy with INTEGRAL_TYPE_P.
18354
18355 2008-02-20  Richard Guenther  <rguenther@suse.de>
18356
18357         * fold-const.c (split_tree): Associate floatig-point expressions
18358         if flag_associative_math is set.
18359
18360 2008-02-20  Richard Guenther  <rguenther@suse.de>
18361
18362         * tree.h (fold_real_zero_addition_p): Declare.
18363         * fold-const.c (fold_real_zero_addition_p): Export.
18364         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
18365         floating-point operations with zero and one.
18366
18367 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
18368
18369         * doc/install.texi: Correct references to CFLAGS, replacing them
18370         with BOOT_CFLAGS.  Document flags used during bootstrap for
18371         target libraries.
18372
18373 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
18374
18375         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
18376         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
18377         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
18378         insn constraint.
18379         (smin<mode>3): Ditto from similar patterns.
18380         (smax<mode>3): Ditto.
18381         (*ieee_smin<mode>3): Ditto.
18382         (*ieee_smax<mode>3): Ditto.
18383         * config/i386/sse.md (sse): New mode attribute.
18384         (mov<mode>): Macroize expander from movv4sf and movv2df using
18385         SSEMODEF2P mode iterator.
18386         (<sse>_movnt<mode>): Ditto from similar patterns. Use
18387         SSE_VEC_FLOAT_MODE_P as insn constraint.
18388         (storent<mode>): Ditto.
18389         (storent<mode>): Macroize expander from storentsf and storentdf using
18390         MODEF mode iterator.
18391         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
18392         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
18393         (abs<mode>2): Ditto from similar patterns.
18394         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
18395         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
18396         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
18397         (<sse>_vmsqrt<mode>2): Ditto.
18398         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
18399         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
18400         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
18401         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
18402         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
18403         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
18404         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
18405         insn constraint.
18406         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
18407         iterator and SSE_FLOAT_MODE_P as insn constraint.
18408         (<sse>_ucomi): Ditto from similar patterns.
18409         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
18410         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
18411         SSE_VEC_FLOAT_MODE_P as insn constraint.
18412         (vcond<mode>): Ditto from similar patterns.
18413         (and<mode>3, *and<mode>3): Ditto.
18414         (<sse>_nand<mode>3): Ditto.
18415         (ior<mode>3, *ior<mode>3): Ditto.
18416         (xor<mode>3, *xor<mode>3): Ditto.
18417         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
18418         iterator and SSE_FLOAT_MODE_P as insn constraint.
18419         (*nand<mode>3): Ditto from similar patterns.
18420         (*ior<mode>3): Ditto.
18421         (*xor<mode>3): Ditto.
18422
18423 2008-02-20  Ira Rosen  <irar@il.ibm.com>
18424
18425         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
18426         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
18427         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
18428
18429 2008-02-19  Jan Hubicka  <jh@suse.cz>
18430
18431         * predict.c (tree_bb_level_predictions): Remove variable next
18432         mistakely introduced by previous commit.
18433
18434 2008-02-19  Jan Hubicka  <jh@suse.cz>
18435
18436         * predict.c (predict_paths_leading_to): Rewrite.
18437         (predict_paths_for_bb): New.
18438         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
18439
18440 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18441
18442         PR bootstrap/35218
18443         * Makefile.in (build_file_translate): New.
18444         (gcc-vers.texi): Use it for translating $(abs_srcdir).
18445         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
18446         * configure.ac (build_file_translate): Substitute it.
18447         * configure: Regenerate.
18448
18449 2008-02-19  Jan Hubicka  <jh@suse.cz>
18450
18451         PR rtl-optimization/34408
18452         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
18453         invalid sharing.
18454
18455 2008-02-19  Jan Hubicka  <jh@suse.cz>
18456
18457         PR middle-end/28779
18458         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
18459         call_expr.
18460
18461 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
18462
18463         PR Ada/35186
18464         * config/i386/i386-modes.def: Revert the last DI alignment
18465         change until Ada people can look into it.
18466
18467 2008-02-19  Nick Clifton  <nickc@redhat.com>
18468
18469         * opts.c (print_specific_help): Fix typo in --help text.
18470
18471 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
18472
18473         PR target/35239
18474         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
18475         32-bit inline asm without asm alternatives for host GCC < 3.0.
18476
18477 2008-02-19  Richard Guenther  <rguenther@suse.de>
18478
18479         PR tree-optimization/34989
18480         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
18481         Allow propagation to INDIRECT_REF if we can simplify only.
18482
18483 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18484
18485         * c-common.c (warn_for_collisions_1): Use appropriate option when
18486         warning.
18487
18488 2008-02-19  Nick Clifton  <nickc@redhat.com>
18489
18490         PR other/31349
18491         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
18492         (handle_options): Fix indentation.
18493         (print_filtered_help): If no language-specific options were
18494         displayed tell the user how to list all the options supported by
18495         the language's front-end.
18496         (print_specific_help): Fix indentation and remove duplicate line.
18497         (common_handle_option): Handle the -v option.
18498         For --help enable the display of undocumented options if the -v
18499         switch has been included on the command line.
18500         For --help= check for overlaps in the arguments between the option
18501         classes and the language names and issue a warning when they
18502         cannot be disambiguated.
18503         * c.opt (v): Pass on to the common option handler.
18504
18505 2008-02-19  Revital Eres  <eres@il.ibm.com>
18506
18507         * modulo-sched.c (sms_schedule): Change dump message when
18508         create_ddg function fails.
18509         (try_scheduling_node_in_cycle): Rename row to cycle.
18510         (print_partial_schedule): Rename CYCLE to ROW.
18511
18512 2008-02-19  Christian Bruel  <christian.bruel@st.com>
18513             Zdenek Dvorak  <ook@ucw.cz>
18514
18515         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
18516
18517 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18518
18519         PR target/33555
18520         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
18521         (*x86_movdicc_0_m1_se): Ditto.
18522
18523 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
18524
18525         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
18526         (CMPtype): Define as __gcc_CMPtype.
18527         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
18528         (CMPtype): Define as __gcc_CMPtype.
18529
18530 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
18531
18532         Support valgrind 3.3 for --enable-checking=valgrind.
18533         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
18534         here.
18535         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
18536         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
18537         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
18538         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
18539         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
18540         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
18541         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
18542         respectively.
18543         * ggc-zone.c: Similar.
18544         * ggc-page.c: Similar.
18545
18546 2008-02-19  Paul Brook  <paul@codesourcery.com>
18547
18548         PR target/35071
18549         * config/arm/ieee754-df.S: Fix do_it typo.
18550         * config/arm/ieee754-sf.S: Fix do_it typo.
18551
18552 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18553
18554         PR target/35189
18555         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
18556         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
18557         (OPTION_MASK_ISA_SSE_SET): Likewise.
18558         (OPTION_MASK_ISA_SSE2_SET): Likewise.
18559         (OPTION_MASK_ISA_SSE3_SET): Likewise.
18560         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
18561         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
18562         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
18563         (OPTION_MASK_ISA_SSE4_SET): Likewise.
18564         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
18565         (OPTION_MASK_ISA_SSE5_SET): Likewise.
18566         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
18567         (OPTION_MASK_ISA_MMX_UNSET): Updated.
18568         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
18569         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
18570         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
18571         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
18572         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
18573         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
18574         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18575         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
18576         (OPTION_MASK_ISA_SSE4): Removed.
18577         (ix86_handle_option): Turn on bits in ix86_isa_flags and
18578         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
18579         (override_options): Don't turn on implied SSE/MMX bits in
18580         ix86_isa_flags.
18581
18582 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
18583
18584         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18585         32bit host.
18586
18587 2008-02-18  Joey Ye  <joey.ye@intel.com>
18588
18589         PR middle-end/34921
18590         * tree-nested.c (insert_field_into_struct): Set type alignment
18591         to field alignment if the former is less than the latter.
18592
18593 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
18594
18595         * BASE-VER: Set to 4.4.0.
18596
18597 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18598
18599         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
18600         * doc/cfg.texi: Likewise.
18601         * doc/extend.texi: Likewise.
18602         * doc/gty.texi: Likewise.
18603         * doc/invoke.texi: Likewise.
18604         * doc/loop.texi: Likewise.
18605         * doc/md.texi: Likewise.
18606         * doc/passes.texi: Likewise.
18607         * doc/rtl.texi: Likewise.
18608         * doc/sourcebuild.texi: Likewise.
18609         * doc/tm.texi: Likewise.
18610         * doc/tree-ssa.texi: Likewise.
18611
18612 2008-02-17  Richard Guenther  <rguenther@suse.de>
18613
18614         PR middle-end/35227
18615         * tree-complex.c (init_parameter_lattice_values): Handle parameters
18616         without default definition.
18617
18618 2008-02-17  Richard Guenther  <rguenther@suse.de>
18619
18620         PR tree-optimization/35231
18621         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
18622         if A | B != 1.
18623
18624 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
18625
18626         Revert:
18627         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18628         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18629         libgcc_cmp_return mode.
18630
18631 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18632
18633         PR c/28368
18634         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
18635
18636 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
18637
18638         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
18639         multilibs.
18640
18641 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18642
18643         * doc/c-tree.texi: Use `@.' where appropriate.
18644         * doc/extend.texi: Likewise.
18645         * doc/install.texi: Likewise.
18646         * doc/invoke.texi: Likewise.
18647         * doc/loop.texi: Likewise.
18648         * doc/makefile.texi: Likewise.
18649         * doc/md.texi: Likewise.
18650         * doc/passes.texi: Likewise.
18651         * doc/standards.texi: Likewise.
18652         * doc/tm.texi: Likewise.
18653
18654 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18655
18656         PR middle-end/35196
18657         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
18658         in entry_bb.
18659         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
18660         rather than in entry_bb.
18661
18662 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18663
18664         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
18665         libgcc_cmp_return mode.
18666
18667 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
18668
18669         PR middle-end/35130
18670         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
18671         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
18672
18673 2008-02-15  Richard Guenther  <rguenther@suse.de>
18674             Zdenek Dvorak  <ook@ucw.cz>
18675
18676         PR tree-optimization/35164
18677         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
18678         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
18679         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
18680         Only propagate addresses which do not have abnormal SSA_NAMEs
18681         in their operands.
18682
18683 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
18684
18685         PR target/35088
18686         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
18687
18688 2008-02-15  Jan Hubicka  <jh@suse.cz>
18689
18690         PR middle-end/35149
18691         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
18692
18693 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18694
18695         PR middle-end/34621
18696         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
18697         when calculating alignment_pad.
18698
18699 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
18700
18701         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
18702         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
18703         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
18704         and STACK_BOUNDARY define.
18705
18706 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
18707
18708         PR preprocessor/35061
18709         * c-pragma.c (handle_pragma_pop_macro): Check that
18710         pushed_macro_table has been allocated.
18711
18712 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
18713
18714         PR middle-end/35136
18715         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
18716         (force_gimple_operand): Likewise.
18717         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
18718         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
18719         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
18720         (find_interesting_uses_address): Check addressability and alignment
18721         of the base expression only after substituting bases of IVs into it.
18722
18723 2008-02-14  Michael Matz  <matz@suse.de>
18724
18725         PR target/34930
18726         * function.c (instantiate_virtual_regs_in_insn): Reload address
18727         before falling back to reloading the whole operand.
18728
18729 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
18730
18731         * config/s390/s390.c (s390_mainpool_start): Emit the pool
18732         before the first section switch note.
18733
18734 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
18735
18736         * doc/bugreport.texi: Update copyright years.
18737         * doc/c-tree.texi: Likewise.
18738         * doc/cfg.texi: Likewise.
18739         * doc/cpp.texi: Likewise.
18740         * doc/cppinternals.texi: Likewise.
18741         * doc/fragments.texi: Likewise.
18742         * doc/frontends.texi: Likewise.
18743         * doc/gcc.texi: Likewise.
18744         * doc/gty.texi: Likewise.
18745         * doc/hostconfig.texi: Likewise.
18746         * doc/implement-c.texi: Likewise.
18747         * doc/libgcc.texi: Likewise.
18748         * doc/loop.texi: Likewise.
18749         * doc/makefile.texi: Likewise.
18750         * doc/options.texi: Likewise.
18751         * doc/passes.texi: Likewise.
18752         * doc/rtl.texi: Likewise.
18753         * doc/sourcebuild.texi: Likewise.
18754         * doc/standards.texi: Likewise.
18755         * doc/tree-ssa.texi: Likewise.
18756         * doc/trouble.texi: Likewise.
18757
18758         * doc/extend.texi: Use @: or add comma where appropriate.
18759         * doc/invoke.texi: Likewise.
18760         * doc/tm.texi: Likewise.
18761
18762 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
18763
18764         PR target/34393
18765         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
18766         to a reg.
18767
18768 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
18769
18770         * doc/md.texi (clz, ctz): Add reference.
18771         * doc/rtl.texi (clz, ctz): Likewise.
18772
18773 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18774
18775         PR other/35148
18776         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
18777         srcdir.
18778
18779 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
18780
18781         * config/s390/s390.c (struct constant_pool): New field
18782         emit_pool_after added.
18783         (s390_mainpool_start): Set the emit_pool_after flag according
18784         to the section switch notes.
18785         (s390_mainpool_finish): Consider emit_pool_after when emitting
18786         the literal pool at the end of the function.
18787         (s390_chunkify_start): Force literal pool splits at section
18788         switch notes.
18789
18790 2008-02-13  Michael Matz  <matz@suse.de>
18791
18792         PR debug/35065
18793         * var-tracking.c (clobber_variable_part): Correctly traverse the
18794         list.
18795
18796 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18797
18798         PR 29673
18799         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
18800         Add -fdump-ipa-inline.
18801         * tree-dump.c (dump_files): Remove tree-inlined dump.
18802         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
18803
18804 2008-02-12  Richard Guenther  <rguenther@suse.de>
18805
18806         PR tree-optimization/35171
18807         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
18808         default defs.
18809
18810 2008-02-12  Richard Guenther  <rguenther@suse.de>
18811
18812         PR middle-end/35163
18813         * fold-const.c (fold_widened_comparison): Use get_unwidened in
18814         value-preserving mode.  Disallow final truncation.
18815
18816 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
18817
18818         PR middle-end/35136
18819         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
18820         code from here to...
18821         (force_gimple_operand): ...here.
18822
18823 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
18824
18825         PR c++/35144
18826         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
18827         non-compatible pointers.
18828         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
18829         different FIELD_DECLs, try harder by comparing field offsets, sizes
18830         and types.
18831
18832         PR inline-asm/35160
18833         * function.c (match_asm_constraints_1): Don't replace the same input
18834         multiple times.
18835
18836 2008-02-12  Anatoly Sokolov <aesok@post.ru>
18837
18838         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
18839         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
18840         (expand_epilogue): Restore RAMPZ register.
18841         * config/avr/avr.md (RAMPZ_ADDR): New constant.
18842
18843 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
18844
18845         * config/i386/cygwin.asm: (__alloca): Correct calling
18846         convention and alignment.
18847         (__chkstk): Force 8 byte stack alignment.
18848
18849 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
18850             Richard Guenther  <rguenther@suse.de>
18851
18852         PR tree-optimization/33992
18853         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
18854         the zero we compare against.
18855
18856 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
18857
18858         PR libfortran/35063
18859         * gthr-win32.h (__gthread_mutex_destroy_function): New function
18860         to CloseHandle after unlocking to prevent accumulation of handle
18861         count.
18862
18863 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18864
18865         PR middle_end/34150
18866         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
18867         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
18868         and update LABEL_NUSES during and after reload.
18869
18870 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
18871
18872         PR middle-end/34627
18873         * combine.c (simplify_if_then_else): Make sure the comparison is
18874         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
18875
18876 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
18877
18878         PR bootstrap/35051
18879         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
18880         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
18881         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
18882         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
18883         * tree.h (get_type_static_bounds): Likewise.
18884
18885 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18886
18887         * doc/invoke.texi (Option Summary, C++ Dialect Options)
18888         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18889         Make -Wfoo language annotations match what the compiler outputs.
18890
18891 2008-02-08  Sa Liu  <saliu@de.ibm.com>
18892
18893         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
18894         intrinsics spu_convts, spu_convtu, spu_convtf.
18895
18896 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
18897
18898         * doc/extend.texi (Function Attributes) <noinline>: Mention
18899         asm ("") as method to keep calls.
18900
18901 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18902
18903         PR other/32754
18904         * doc/options.texi (Options): Replace references to opts.sh with
18905         optc-gen.awk.
18906         * opts-common.c: Likewise.
18907         * optc-gen.awk: Likewise.
18908
18909 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
18910
18911         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
18912
18913 2008-02-07  Richard Henderson  <rth@redhat.com>
18914
18915         PR rtl-opt/33410
18916         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
18917         EXPR_LIST for the REG_EQUAL instead of a comparison with a
18918         funny mode.
18919
18920 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
18921
18922         PR tree-optimization/35085
18923         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
18924         for operand entry oe2 in addition to operand entry oe3 in order to
18925         expose more opportunities for vectorizer sum reduction.
18926
18927 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18928
18929         PR other/35107
18930         * Makefile.in (LIBS): Remove $(GMPLIBS).
18931         (cc1-dummy, cc1): Add $(GMPLIBS).
18932
18933 2008-02-06  Jan Hubicka  <jh@suse.cz>
18934
18935         PR target/23322
18936         * i386.md (moddf_integer): Do not produce partial memory stalls for
18937         targets where it hurts.
18938
18939 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
18940
18941         PR target/35083
18942         * optabs.c (expand_float): Do not check for decimal modes when
18943         expanding unsigned integer through signed conversion.
18944
18945 2008-02-06  Nick Clifton  <nickc@redhat.com>
18946
18947         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
18948         inside the clobber with a match_operand and duplicated operand
18949         number in the constraint.
18950         (ineqbranchsi): Delete redundant comment.
18951
18952 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
18953
18954         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
18955         builtin_define ("__USE_INIT_FINI__").
18956         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
18957         -msx multilibs.
18958         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
18959
18960 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18961
18962         PR documentation/30330
18963         * doc/invoke.texi (C++ Dialect Options)
18964         (Objective-C and Objective-C++ Dialect Options, Warning Options):
18965         For each warning option -Wfoo that allows -Wno-foo, ensure both
18966         -Wfoo and -Wno-foo are listed in the option index.  Fix index
18967         entry of -Wswitch-default, index -Wnormalized= including the
18968         `=', and -Wlarger-than-@var{len} including @var{len}.
18969
18970 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
18971
18972         * config/i386/i386.md (floatunssisf2): Use
18973         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
18974         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
18975         Macroize expander using MODEF mode iterator.
18976
18977 2008-02-05  Diego Novillo  <dnovillo@google.com>
18978
18979         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
18980
18981         PR 33738
18982         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
18983
18984 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
18985
18986         PR other/35070
18987         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
18988
18989 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
18990
18991         PR target/35084
18992         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
18993         to indicate if a message should be generated.
18994         (init_cumulative_args): Updated.
18995         (function_value_32): Likewise.
18996
18997 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
18998
18999         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
19000
19001 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
19002
19003         PR target/35083
19004         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
19005         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
19006
19007 2008-02-04  Diego Novillo  <dnovillo@google.com>
19008
19009         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
19010
19011         PR 33738
19012         * tree-vrp.c (vrp_evaluate_conditional): With
19013         -Wtype-limits, emit a warning when comparing against a
19014         constant outside the natural range of OP0's type.
19015
19016 2008-02-04  Richard Guenther  <rguenther@suse.de>
19017
19018         PR middle-end/33631
19019         * expr.c (count_type_elements): Give for unions instead of
19020         guessing.
19021
19022 2008-02-04  Richard Guenther  <rguenther@suse.de>
19023
19024         PR middle-end/35043
19025         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
19026         to TYPE_DOMAINs base type instead of using bitsizetype here.
19027
19028 2008-02-03  Jason Merrill  <jason@redhat.com>
19029
19030         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
19031
19032 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19033
19034         PR other/29972
19035         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
19036         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
19037         (RS/6000 and PowerPC Options): Fix typos and markup.
19038         * doc/passes.texi (Tree-SSA passes): Likewise.
19039
19040 2008-02-02  Michael Matz  <matz@suse.de>
19041
19042         PR target/35045
19043         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
19044         from record_last_reg_set_info.
19045         (record_last_reg_set_info): Take an RTX argument, iterate over all
19046         constituent hardregs.
19047         (record_last_set_info, record_opr_changes): Change calls to
19048         new signature or to record_last_reg_set_info_regno.
19049
19050 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
19051
19052         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
19053
19054 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
19055
19056         PR rtl-optimization/34773
19057         * reg-notes.def (EQUAL): Mention significance of combination of
19058         REG_EQUAL and REG_RETVAL.
19059         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
19060         insn that has a REG_RETVAL.
19061
19062 2008-02-01  Roger Sayle  <roger@eyesopen.com>
19063
19064         PR bootstrap/33781
19065         * configure.ac (--enable-fixed-point): Disable unless explicitly
19066         requested on IRIX.
19067         * configure: Regenerate.
19068
19069 2008-02-01  Richard Guenther  <rguenther@suse.de>
19070
19071         PR other/35042
19072         * invoke.texi (-finline-limit): Remove no longer true parts
19073         of the documentation.  Note that there is no default value.
19074
19075 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
19076             Mark Mitchell  <mark@codesourcery.com>
19077             Ben Elliston  <bje@au.ibm.com>
19078
19079         PR c/29326
19080         * doc/extend.texi (Other Builtins): Document.
19081
19082 2008-01-31  Tom Browder <tom.browder@gmail.com>
19083
19084         * doc/c-tree.texi (Types): Fix grammar.
19085         (Expression trees): Ditto.
19086         * doc/passes.texi (Tree-SSA passes): Ditto.
19087
19088         * doc/configterms.texi (Configure Terms): Fix typo.
19089         * doc/cpp.texi (Common Predefined Macros): Ditto.
19090         * doc/md.texi (Machine Constraints): Ditto.
19091
19092         * doc/makefile.texi (Makefile): Add comma.
19093
19094 2008-01-31  Tom Browder  <tom.browder@gmail.com>
19095             Gerald Pfeifer  <gerald@pfeifer.com>
19096
19097         * doc/sourcebuild.texi (Front End): Remove references to CVS
19098         and CVSROOT/modules.
19099         (Texinfo Manuals): Replace reference to CVS by one to SVN.
19100         (Back End): Remove reference to CVS.
19101
19102 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19103
19104         PR target/34900
19105         * config/mips/mips.c (gen_load_const_gp): New function, taking a
19106         comment from...
19107         (mips16_gp_pseudo_reg): ...here.
19108         * config/mips/mips.md (load_const_gp): Replace with...
19109         (load_const_gp_<mode>): ...this :P-based insn.
19110
19111 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19112
19113         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
19114         options. Minor fixes.
19115         (-std): Move reference to standards closer to where language
19116         standards are first mentioned.
19117
19118 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
19119
19120         PR rtl-optimization/34995
19121         * reload.c (alternative_allows_const_pool_ref): Take an rtx
19122         parameter and return a bool.  If the rtx parameter is nonnull,
19123         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
19124         (find_reloads): Update call accordingly.  Pass the new operand
19125         if it needed no address reloads, otherwise pass null.
19126
19127 2008-01-30  Richard Henderson  <rth@redhat.com>
19128
19129         PR c/34993
19130         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
19131         for unbounded arrays.
19132
19133 2008-01-30  Silvius Rus  <rus@google.com>
19134
19135         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
19136
19137 2008-01-30  Jan Hubicka  <jh@suse.cz>
19138
19139         PR target/34982
19140         * i386.c (init_cumulative_args): Use real function declaration when
19141         calling locally.
19142
19143 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
19144
19145         PR rtl-optimization/34998
19146         * global.c (build_insn_chain): Treat non-subreg_lowpart
19147         SUBREGs of pseudos as clobbering all the words covered by the
19148         SUBREG, not just all the bytes.
19149         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
19150         original df_ref rather than an extract parameter.
19151         (global_conflicts): Update call accordingly.
19152
19153 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
19154
19155         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
19156         the overflow check to make it easier to read.
19157         (__fixtfdi): Change the type of the ll member in union
19158         long_double to UDItype_x.
19159
19160 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
19161
19162         PR middle-end/34969
19163         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
19164         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
19165         * tree-inline.c (fold_marked_statements): Call
19166         cgraph_update_edges_for_call_stmt if folding a call statement.
19167         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
19168         debug_generic_stmt calls, reset it back afterwards.
19169
19170         PR c/35017
19171         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
19172         static decls.
19173         * c-typeck.c (build_external_ref): Don't pedwarn about
19174         static vars in current function's scope.
19175
19176 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
19177
19178         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
19179
19180 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
19181
19182         PR c/35002
19183         * ipa-struct-reorg.c: Fix spelling.
19184         * params.def: Ditto.
19185
19186 2008-01-29  Richard Guenther  <rguenther@suse.de>
19187
19188         PR middle-end/35006
19189         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
19190         field.
19191         * tree-inline.c (remap_type): Increment remapping_type_depth
19192         around remapping types.
19193         (copy_body_r): Only add referenced variables if they are referenced
19194         from code, not types.
19195
19196 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
19197
19198         PR c++/34055
19199         PR c++/34103
19200         PR c++/34219
19201         PR c++/34606
19202         PR c++/34753
19203         PR c++/34754
19204         PR c++/34755
19205         PR c++/34919
19206         PR c++/34961
19207         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
19208         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
19209
19210 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
19211
19212         PR target/34412
19213         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
19214         pointer for tiny stack.
19215
19216 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19217
19218         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
19219
19220 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
19221
19222         * config/vx-common.h: Fix typo in comment.
19223
19224 2008-01-28  Ian Lance Taylor  <iant@google.com>
19225
19226         PR c++/34862
19227         PR c++/33407
19228         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
19229         coalesce pointers if they have different DECL_NO_TBAA_P values.
19230         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
19231         between variables with different DECL_NO_TBAA_P values.
19232
19233 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
19234
19235         PR 31535
19236         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
19237         are not legitimate small data references on SPE targets.
19238
19239 2008-01-28  David Daney  <ddaney@avtrex.com>
19240
19241         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
19242
19243 2008-01-28  David Daney  <ddaney@avtrex.com>
19244
19245         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
19246
19247 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
19248
19249         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
19250         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
19251         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
19252         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
19253         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
19254         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
19255         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
19256         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
19257
19258 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19259
19260         * basic-block.h (condjump_equiv_p): Fix comment.
19261
19262 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19263
19264         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
19265         print_generic_stmt_indented): Fix comment.
19266
19267 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
19268
19269         * configure.ac (__stack_chk_fail): Add detecion for availability
19270         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
19271         * configure: Regenerate.
19272
19273 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
19274
19275         PR middle-end/34688
19276         * final.c (output_addr_const): Handle TRUNCATE.
19277
19278 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
19279
19280         PR target/34711
19281         * tree-ssa-loop-ivopts.c (comp_cost): New type.
19282         (zero_cost, infinite_cost): New constants.
19283         (struct cost_pair): Change type of cost to comp_cost.
19284         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
19285         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
19286         New functions.
19287         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
19288         split_address_cost, ptr_difference_cost, difference_cost,
19289         get_computation_cost_at, get_computation_cost,
19290         determine_use_iv_cost_generic, determine_use_iv_cost_address,
19291         determine_use_iv_cost_condition, determine_use_iv_costs,
19292         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
19293         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
19294         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
19295         Change type of cost to comp_cost.
19296         (determine_iv_cost): Increase cost of non-original ivs, instead
19297         of decreasing the cost of original ones.
19298         (get_address_cost): Indicate the complexity of the addressing mode
19299         in comp_cost.
19300         (try_add_cand_for): Prefer using ivs not specific to some object.
19301         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
19302
19303 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
19304             Janis Johnson  <janis187@us.ibm.com>
19305
19306         PR target/34814
19307         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
19308         (TARGET_INSTANTIATE_DECLS): Likewise.
19309         * target.h (expand_to_rtl_hook): New target hook.
19310         (instantiate_decls): Likewise.
19311         * function.c (instantiate_decl): Make non-static.  Rename to...
19312         (instantiate_decl_rtl): ... this.
19313         (instantiate_expr): Use instantiate_decl_rtl.
19314         (instantiate_decls_1): Likewise.
19315         (instantiate_decls): Likewise.
19316         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
19317         * function.h (instantiate_decl_rtl): Add prototype.
19318         * cfgexpand.c (target.h): New include.
19319         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
19320         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
19321         (TARGET_INSTANTIATE_DECLS): Likewise.
19322         (TARGET_INITIALIZER): New target hooks added.
19323         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
19324         New prototype.
19325         * config/rs6000/rs6000.c (tree-flow.h): New include.
19326         (machine_function): Add sdmode_stack_slot field.
19327         (rs6000_alloc_sdmode_stack_slot): New function.
19328         (rs6000_instantiate_decls): Likewise.
19329         (rs6000_secondary_memory_needed_rtx): Likewise.
19330         (rs6000_check_sdmode): Likewise.
19331         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
19332         (TARGET_INSTANTIATE_DECLS): Likewise.
19333         (rs6000_hard_regno_mode_ok): Allow SDmode.
19334         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
19335         (rs6000_emit_move): Handle SDmode.
19336         (function_arg_advance): Likewise.
19337         (function_arg): Likewise.
19338         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
19339         SDmode var args for 32-bit compiles.
19340         (rs6000_secondary_reload_class): Handle SDmode.
19341         (rs6000_output_function_epilogue): Likewise.
19342         (rs6000_function_value): Simplify if statement.
19343         (rs6000_libcall_value): Likewise.
19344         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
19345         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
19346         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
19347         (movsd_hardfloat): New define_insn.
19348         (movsd_softfloat): Likewise.
19349         (movsd_store): Likewise.
19350         (movsd_load): Likewise.
19351         (extendsddd2): Likewise.
19352         (extendsdtd2): Likewise.
19353         (truncddsd2): Likewise.
19354         (movdd_hardfloat64): Fixup comment.
19355         (UNSPEC_MOVSD_LOAD): New constant.
19356         (UNSPEC_MOVSD_STORE): Likewise.
19357
19358 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
19359
19360         PR c++/34965
19361         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
19362         TRUTH_XOR_EXPR.
19363         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
19364         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
19365         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
19366         and TRUTH_XOR_EXPR.
19367
19368 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
19369
19370         PR target/34794
19371         * config.gcc: Separate AIX 5.3 from AIX 6.1.
19372         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
19373         __LONGDOUBLE128 too.
19374         * config/rs6000/aix61.h: New file.
19375
19376 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19377
19378         PR rtl-optimization/34959
19379         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
19380         popcount and parity rtxes the same mode as their operand.
19381         Truncate or extend the result to the return value's mode
19382         if necessary.
19383
19384 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
19385
19386         PR target/34981
19387         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
19388         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
19389         to GOT_VERSION_REGNUM.
19390         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
19391         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
19392         * config/mips/mips.c (mips_emit_call_insn): New function.
19393         (mips_call_tls_get_addr): Call mips_expand_call directly.
19394         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
19395         emit_call_insn.
19396         (mips16_build_call_stub): Likewise.  Return the call insn or null.
19397         (mips_expand_call): Update the call to mips16_build_call_stub
19398         accordingly and a remove redundant condition.  Assert that MIPS16
19399         stubs do not use lazy binding.  Use mips_emit_call_insn and return
19400         the call insn.
19401         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
19402         TARGET_USE_GOT.
19403         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
19404         (mips_avoid_hazard): Remove hazard_set handling.
19405         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
19406         (UNSPEC_RESTORE_GP): ...this.
19407         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
19408         (FAKE_CALL_REGNO): Rename to...
19409         (GOT_VERSION_REGNUM): ...this.
19410         (type): Add "ghost" value.  Add an associated insn reservation.
19411         (hazard_set): Remove.
19412         (exception_receiver): Rename to...
19413         (restore_gp): ...this and update the unspec identifier accordingly.
19414         (exception_receiver, nonlocal_got_receiver): New expanders.
19415         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
19416         FAKE_CALL_REGNO.  Remove hazard_set attribute.
19417         (set_got_version, update_got_version): New patterns.
19418
19419 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
19420
19421         PR target/34970
19422         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
19423
19424 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19425
19426         PR other/31955
19427         * doc/install.texi2html: Generate gcc-vers.texi.
19428
19429 2008-01-25  DJ Delorie  <dj@redhat.com>
19430
19431         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
19432
19433 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
19434
19435         * config/c4x: Remove directory.
19436         * config.gcc (crx-*, mt-*): Mark obsolete.
19437         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
19438         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
19439         sh-*-rtemscoff*): Remove cases.
19440         * defaults.h (C4X_FLOAT_FORMAT): Remove.
19441         * real.c (encode_c4x_single, decode_c4x_single,
19442         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
19443         c4x_extended_format): Remove.
19444         * real.h (c4x_single_format, c4x_extended_format): Remove.
19445         * doc/extend.texi (interrupt, naked): Remove mention of attributes
19446         on C4x.
19447         (Pragmas): Remove comment about c4x pragmas.
19448         * doc/install.texi (c4x): Remove target-specific instructions.
19449         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
19450         * doc/md.texi (Machine Constraints): Remove C4x documentation.
19451         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
19452         refer to C4x source files as examples.
19453         (C4X_FLOAT_FORMAT): Remove documentation.
19454
19455 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
19456
19457         * config/bfin/bfin.c (override_options): Reorder tests so that
19458         flag_pic gets enabled for -msep-data.
19459
19460 2008-01-25  Richard Guenther  <rguenther@suse.de>
19461
19462         PR middle-end/32244
19463         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
19464         to its bitfield precision if required.
19465
19466 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19467
19468         PR middle-end/33880
19469         * tree-nested.c (walk_omp_for): New function.
19470         (convert_nonlocal_reference, convert_local_reference): Call
19471         walk_omp_for on OMP_FOR.
19472         (convert_call_expr): Call walk_body on OMP_FOR's
19473         OMP_FOR_PRE_INIT_BODY.
19474
19475 2008-01-25  Richard Guenther  <rguenther@suse.de>
19476
19477         PR tree-optimization/34966
19478         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
19479         default defs and PHI_NODEs we have to insert after the
19480         defining statement.
19481
19482 2008-01-24  Nick Clifton  <nickc@redhat.com>
19483
19484         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
19485         Provide a default definition.
19486         (LIBGCC2_UNITS_PER_WORD): Likewise.
19487
19488         * config/stormy16/stormy16.c: Include df.h for the prototype
19489         for df_regs_ever_live_p.
19490         (xstormy16_expand_builtin_va_start): Convert the stack offset
19491         into a component_ref and then use POINTER_PLUS_EXPR to add it
19492         to the incoming_virtual_args_rtx.
19493         (xstormy16_gimplify_va_arg_expr): Rename to
19494         xstormy16_gimplify_va_arg_expr.
19495         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
19496         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
19497         xstormy16_gimplify_va_arg_expr.
19498         Fix up some formatting issues.
19499
19500         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
19501         Move to predicates.md.
19502         (xs_hi_general_operand): Likewise.
19503         (xs_hi_nonmemory_operand): Likewise.
19504         * config/stormy16/predicates.md:
19505         (xstormy16_carry_plus_operand): New predicate.
19506         (xs_hi_general_operand): New predicate.
19507         (xs_hi_nonmemory_operand): New predicate.
19508         * config/stormy16/stormy16-protos.h:
19509         (xstormy16_carry_plus_operand): Delete prototype.
19510         (xs_hi_general_operand): Likewise.
19511         (xs_hi_nonmemory_operand): Likewise.
19512
19513         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
19514         modifiers as they are no longer needed and they can trigger
19515         reload spill failures.
19516
19517         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
19518         with a match_operand in order to help reload.
19519
19520         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
19521         constraint with 'e' for the 8th alternative as this version of
19522         the mov.w instruction only accepts the lower 8 registers.
19523
19524 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
19525
19526         PR target/34856
19527         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
19528         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
19529         vector elements.
19530
19531 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
19532
19533         PR middle-end/33333
19534         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
19535
19536 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19537
19538         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
19539         New functions.
19540         (remove_structure): Update allocations list before removing structure.
19541
19542 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
19543
19544         * ipa-struct-reorg.c (is_safe_cond_expr,
19545         create_new_stmts_for_cond_expr): Use integer_zerop function,
19546         that recognize not only zero-pointer, but zero-integer too.
19547
19548 2008-01-25  Ben Elliston  <bje@au.ibm.com>
19549
19550         PR other/22232
19551         * fixproto: Escape "." in sed expression that strips leading "./".
19552
19553 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
19554
19555         PR driver/34904
19556         * gcc.c (SWITCH_OK): Removed.
19557         (SWITCH_LIVE): Changed to bit.
19558         (SWITCH_FALSE): Likewise.
19559         (SWITCH_IGNORE): Likewise.
19560         (switchstr): Change live_cond to unsigned int.
19561         (process_command): Replace SWITCH_OK with 0.
19562         (do_self_spec): Likewise.
19563         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
19564         (give_switch): Likewise.
19565         (used_arg): Likewise.
19566         (do_spec_1): Set the SWITCH_IGNORE bit.
19567         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
19568         bits.  Set the SWITCH_LIVE bit.
19569
19570 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
19571
19572         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
19573
19574 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
19575
19576         PR tree-optimization/34472
19577         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
19578         parameter to a "bool *" and set *DATA to false if there is
19579         an unsafe access.  Do not delete the structure here.
19580         (check_cond_exprs): Delete it here instead.
19581         (check_cond_exprs, exclude_cold_structs): Do not increase
19582         I when removing a structure.
19583
19584 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
19585
19586         PR target/34856
19587         * config/i386/i386.c (ix86_expand_vector_init): Consider only
19588         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
19589
19590 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
19591
19592         PR middle-end/34934
19593         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
19594         a fixed vector for stack.
19595
19596 2008-01-24  Ben Elliston  <bje@au.ibm.com>
19597
19598         PR c++/25701
19599         * doc/gcc.texi (Software development): Add a direntry for g++.
19600
19601 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
19602
19603         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
19604         stale and straggling -fforce-addr comments above.
19605
19606         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
19607         define.
19608         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
19609         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
19610
19611 2008-01-23  Michael Matz  <matz@suse.de>
19612
19613         PR debug/34895
19614         * dwarf2out.c (force_type_die): Use modified_type_die instead of
19615         gen_type_die.
19616
19617 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
19618
19619         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
19620         malloc result type.
19621
19622 2008-01-23 Anatoly Sokolov <aesok@post.ru>
19623
19624         * config/avr/avr.c (avr_current_arch): New variable.
19625         (avr_arch_types): Add 'avr31' and 'avr51' entries.
19626         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
19627         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
19628         (avr_override_options): Init 'avr_current_arch'.
19629         (base_arch_s): Move from here...
19630         * config/avr/avr.h (base_arch_s): ... here. Add new members
19631         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
19632         'mega' to 'have_jmp_call'.
19633         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
19634         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
19635         macros.
19636         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
19637         architectures.
19638         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
19639         MULTILIB_MATCHES): Ditto.
19640
19641 2008-01-23  Richard Guenther  <rguenther@suse.de>
19642
19643         PR middle-end/31529
19644         * cgraphunit.c (cgraph_reset_node): Always mark the node
19645         not reachable if it is not queued already.
19646
19647 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
19648
19649         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
19650         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
19651         (cputype_selected): New static variable.
19652         (bfin_handle_option): Set it if -mcpu is used.
19653         (override_option): Select default set of workarounds if no cpu type
19654         selected on the command line.
19655         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
19656
19657         From  Michael Frysinger  <michael.frysinger@analog.com>
19658         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
19659         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
19660
19661         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
19662         for bf547, bf523, bf524, and bf526.
19663         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
19664         bf526.
19665         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
19666         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
19667         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
19668         __ADSPBF547__ and __ADSPBF54x__ for bf547.
19669         * doc/invoke.texi (Blackfin Options): Document that
19670         -mcpu now accept bf547, bf523, bf524, and bf526.
19671
19672 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
19673
19674         PR rtl-optimization/34628
19675         * combine.c (try_combine): Stop and undo after the first combination
19676         if an autoincrement side-effect on the first insn has effectively
19677         been lost.
19678
19679 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
19680
19681         PR target/34529
19682         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
19683         Offset addresses are not valid for Altivec or paired float modes.
19684
19685 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
19686
19687         PR c++/34607
19688         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
19689         if DECL_INITIAL (decl) is error_mark_node.
19690
19691         PR c++/34914
19692         * c-common.c (handle_vector_size_attribute): Only allow
19693         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
19694         the same way as pointer, array etc. types.
19695         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
19696
19697         PR c++/34917
19698         * tree.c (build_type_attribute_qual_variant): Call
19699         build_qualified_type if attributes are equal, but quals are not.
19700
19701 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19702
19703         PR 32102
19704         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
19705         * flags.h (warn_strict_aliasing): Remove.
19706         (warn_strict_overflow): Remove.
19707         * opts.c (warn_strict_aliasing): Remove.
19708         (warn_strict_overflow): Remove.
19709         * c-opts.c (c_common_handle_option): -Wall only sets
19710         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
19711         (c_common_post_options): Give default values to -Wstrict-aliasing
19712         and -Wstrict-overflow if they are uninitialized.
19713         * common.opt (Wstrict-aliasing): Specify Var and Init.
19714         (Wstrict-overflow): Likewise.
19715
19716 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
19717
19718         PR rtl-optimization/26854
19719         PR rtl-optimization/34400
19720         PR rtl-optimization/34884
19721         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
19722         DF_RD->gen.
19723         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
19724         (df_rd_bb_info.expanded_lr_out): Deleted
19725         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
19726         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
19727         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19728         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19729         Removed code to allocate, initialize or free expanded_lr_out.
19730         (df_rd_bb_local_compute_process_def): Restructured to make more
19731         understandable.
19732         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
19733         sets if the sets are being trimmed.
19734
19735 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
19736
19737         PR bootstrap/32287
19738         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
19739         (as_vers): Likewise.
19740         * configure: Regenerated.
19741
19742 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19743
19744         PR middle-end/33092
19745         * tree-pass.h (pass_build_alias): New pass.
19746         * tree-ssa-alias.c (gate_build_alias): New.
19747         (pass_build_alias): New.
19748         * passes.c (init_optimization_passes): Add pass_build_alias after
19749         pass_create_structure_vars.
19750
19751 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
19752
19753         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
19754         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
19755         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
19756         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
19757         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
19758         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
19759         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
19760         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
19761         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
19762         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
19763         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
19764         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
19765         * config/s390/s390.md (FP_ALL): New mode iterator.
19766         (_d): New mode attribute.
19767         ("*signbit<mode>2>"): Changed mode of first operand.
19768         ("isinf<mode>2"): Changed mode of first operand.
19769         ("*TDC_insn"): Adaptation for DFP modes.
19770
19771 2008-01-22  Ben Elliston  <bje@au.ibm.com>
19772
19773         * tree.c (check_qualified_type): Improve function description.
19774
19775 2008-01-21  Jason Merrill  <jason@redhat.com>
19776
19777         PR c++/34196
19778         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
19779         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
19780         if it is set.
19781
19782 2008-01-21  DJ Delorie  <dj@redhat.com>
19783
19784         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
19785         return zero.
19786
19787 2008-01-21  Richard Guenther  <rguenther@suse.de>
19788
19789         PR middle-end/34856
19790         * tree-cfg.c (verify_expr): Allow all invariant expressions
19791         instead of just constant class ones as reference argument.
19792         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
19793         like any other constant.
19794         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
19795
19796 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
19797
19798         * regmove.c (fixup_match_1): Update call crossed frequencies.
19799
19800 2008-01-21  Richard Guenther  <rguenther@suse.de>
19801
19802         PR c/34885
19803         * tree-inline.c (setup_one_parameter): Deal with mismatched
19804         types using a VIEW_CONVERT_EXPR.
19805
19806 2008-01-21  Alon Dayan  <alond@il.ibm.com>
19807             Olga Golovanevsky  <olga@il.ibm.com>
19808
19809         PR tree-optimization/34701
19810         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
19811         when the structure size is not a power of 2.
19812
19813 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
19814
19815         * doc/install.texi: Add doc for --enable-checking=df.
19816
19817 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19818
19819         PR rtl-optimization/34808
19820         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
19821
19822 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19823
19824         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
19825         input.
19826
19827 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
19828
19829         PR rtl-optimization/26854
19830         PR rtl-optimization/34400
19831         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
19832         DF_RD->gen.
19833         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
19834         (df_rd_bb_info.expanded_lr_out): New.
19835         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
19836         * loop_iv.c (iv_analysis_loop_init): Ditto.
19837         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
19838         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
19839         Added code to allocate, initialize or free expanded_lr_out.
19840         (df_rd_bb_local_compute_process_def): Restructured to make
19841         more understandable.
19842         (df_rd_confluence_n): Add code to do nothing with fake edges and
19843         code to no apply invalidate_by_call sets if the sets are being trimmed.
19844         (df_lr_local_finalize): Renamed to df_lr_finalize.
19845         (df_live_local_finalize): Renamed to df_live_finalize.
19846
19847 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
19848
19849         PR target/34831
19850         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
19851         deciding whether to use reciprocal instructions.
19852
19853 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
19854
19855         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
19856         dwarf2out_note_section_used if cold_text_section is NULL.
19857
19858 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
19859
19860         PR gcov-profile/34610
19861         * tree-cfg.c (make_edges): Mark both outgoing edges from
19862         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
19863         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
19864         from OMP_FOR and OMP_CONTINUE outgoing edges.
19865
19866         * tree-profile.c (tree_profiling): Return early if
19867         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
19868         at the end.
19869         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
19870         from cfun to child_cfun.
19871         * function.h (struct function): Add after_tree_profile bit.
19872
19873 2008-01-19 Anatoly Sokolov <aesok@post.ru>
19874
19875         * config/avr/avr.S (_exit): Disable interrupt.
19876
19877 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
19878             Steven Bosscher  <stevenb.gcc@gmail.com>
19879
19880         PR rtl-optimization/26854
19881         PR rtl-optimization/34400
19882         * df-problems.c (df_live_scratch): New scratch bitmap.
19883         (df_live_alloc): Allocate df_live_scratch when doing df_live.
19884         (df_live_reset): Clear the proper bitmaps.
19885         (df_live_bb_local_compute): Only process the artificial defs once
19886         since the order is not important.
19887         (df_live_init): Init the df_live sets only with the variables
19888         found live by df_lr.
19889         (df_live_transfer_function): Use the df_lr sets to prune the
19890         df_live sets as they are being computed.
19891         (df_live_free): Free df_live_scratch.
19892
19893 2008-01-18  Ian Lance Taylor  <iant@google.com>
19894
19895         * common.opt: Add fmerge-debug-strings.
19896         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
19897         flag_merge_debug_strings rather than flag_merge_constants.
19898         * doc/invoke.texi (Option Summary): Mention
19899         -fmerge-debug-strings.
19900         (Debugging Options): Document -fmerge-debug-strings.
19901
19902 2008-01-18  Ian Lance Taylor  <iant@google.com>
19903
19904         PR c++/33407
19905         * tree.h (DECL_IS_OPERATOR_NEW): Define.
19906         (struct tree_function_decl): Add new field operator_new_flag.
19907         * tree-inline.c (expand_call_inline): When inlining a call to
19908         operator new, force the return value to go into a variable, and
19909         set DECL_NO_TBAA_P on that variable.
19910         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
19911
19912 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
19913
19914         PR debug/34484
19915         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
19916         DWARF2_DEBUGGING_INFO.
19917         (dwarf2out_note_section_used): Ditto.  Add prototype.
19918         (have_multiple_function_sections, text_section_used,
19919         cold_text_section_used, *cold_text_sections): Move declarations
19920         before their uses.
19921
19922 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
19923
19924         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
19925         field and add signal_ra.
19926         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
19927         assignments to frame state pc.  Move end of stack check after
19928         MD_FALLBACK_FRAME_STATE_FOR.
19929         (uw_update_context_1): Use frame state signal_regs if set, instead
19930         of checking signal_frame flag.
19931         (uw_update_context): Use frame state signal_ra if set.
19932         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
19933         * config/xtensa/linux-unwind.h: New file.
19934
19935 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
19936
19937         * modulo-sched.c (get_sched_window): Fix comment typo.
19938
19939 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
19940
19941         PR tree-optimization/34648
19942         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
19943
19944 2008-01-17  Anatoly Sokolov <aesok@post.ru>
19945
19946         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
19947         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
19948
19949 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
19950
19951         PR rtl-optimization/34400
19952         * df-core.c (df_worklist_dataflow_overeager,
19953         df_worklist_dataflow_doublequeue): New functions.
19954         (df_worklist_dataflow): Two different worklist solvers.
19955         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
19956         New param.
19957
19958 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
19959
19960         PR testsuite/34821
19961         * doc/invoke.texi: Document the dependence on pthread for fopenmp
19962         and ftree-parallelize-loops.
19963
19964 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
19965
19966         PR rtl-optimization/34826
19967         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
19968
19969 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
19970
19971         * global.c (find_reg): Mark the eh regs as used if necessary.
19972         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
19973         * ra.h (struct allocno): no_eh_reg field added.  Changed
19974         no_stack_reg type to bitfield.
19975
19976 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
19977
19978         * tree.c (substitute_in_expr): Add missing 'break'.
19979
19980 2008-01-17  Richard Guenther  <rguenther@suse.de>
19981
19982         PR tree-optimization/34825
19983         * tree-ssa-math-opts.c (is_division_by): Do not recognize
19984         x / x as division to handle.
19985
19986 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19987
19988         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
19989         "-pthread" is specified.
19990         * pa-hpux11.h (LIB_SPEC): Likewise.
19991
19992 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
19993             Peter Bergner  <bergner@vnet.ibm.com>
19994
19995         PR rtl-optimization/33796
19996         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
19997
19998 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
19999
20000         PR libgfortran/34699
20001         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
20002         static links.
20003         * pa-hpux10.h (LINK_SPEC): Likewise.
20004         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
20005
20006 2008-01-16  Richard Guenther  <rguenther@suse.de>
20007
20008         PR middle-end/32628
20009         * fold-const.c (fold_convert_const_int_from_int): Do not
20010         set overflow if that occured only because of a sign extension
20011         change when converting from/to a sizetype with the same
20012         precision and signedness.
20013
20014 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20015
20016         PR debug/34249
20017         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
20018         location address to the correct place.  Update copyright year.
20019
20020 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20021
20022         * lambda-code.c (lambda_transform_legal_p): Handle the case of
20023         no dependences in the dependence_relations vector.
20024
20025 2008-01-16  Jan Hubicka  <jh@suse.cz>
20026
20027         PR rtl-optimization/31396
20028         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
20029         * cfg.c (dump_reg_info): Print it.
20030         * regs.h (struct reg_info_t): add freq_calls_crossed.
20031         (REG_FREQ_CALLS_CROSSED): New macro.
20032         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
20033         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
20034         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
20035         regmove_optimize): Update call crossed frequencies.
20036         * local-alloc.c (struct qty): Add freq_calls_crossed.
20037         (alloc_qty): Copute freq_calls_crossed.
20038         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
20039         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
20040         * ra.h (struct allocno): Add freq_calls_crossed.
20041
20042 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20043
20044         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
20045         libgomp when compiling with ftree-parallelize-loops.
20046         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
20047
20048 2008-01-16  Richard Guenther  <rguenther@suse.de>
20049
20050         PR tree-optimization/34769
20051         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
20052         * tree.c (int_cst_value): Instead make this function more
20053         permissive in what it accepts as valid input.  Document this
20054         function always sign-extends the value.
20055
20056 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
20057             Richard Guenther  <rguenther@suse.de>
20058
20059         PR c/34668
20060         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20061         (gimple_fold_indirect_ref_rhs): ... this.
20062         (gimple_fold_indirect_ref): New function with foldings
20063         that preserve lvalueness.
20064         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
20065         * tree-flow.h (gimple_fold_indirect_ref): Declare.
20066         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
20067         to fold an INDIRECT_REF, fall back to the old use of
20068         fold_indirect_ref_1.
20069
20070 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
20071
20072         * tree-data-ref.c (subscript_dependence_tester_1): Call
20073         free_conflict_function.
20074         (compute_self_dependence): Same.
20075
20076 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
20077
20078         PR debug/34249
20079         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
20080         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
20081         function global.
20082         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
20083         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
20084         for DWARF2_UNWIND_INFO targets.
20085
20086 2008-01-16  Richard Guenther  <rguenther@suse.de>
20087
20088         PR c/34768
20089         * c-typeck.c (common_pointer_type): Do not merge inconsistent
20090         type qualifiers for function types.
20091
20092 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
20093
20094         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
20095         loop_iterator li from previous commit.
20096
20097 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
20098
20099         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
20100
20101 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20102
20103         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
20104         (parallelize_loops): Don't parallelize irreducible components.
20105
20106 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20107
20108         PR c++/24924
20109         * c-opts (c_common_post_options): Do not enable CPP
20110         flag_pedantic_errors by default.
20111
20112 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
20113
20114         PR rtl-optimization/31944
20115         * cse.c (remove_pseudo_from_table): New function.
20116         (merge_equiv_classes): Use above function to remove pseudo-registers.
20117         (invalidate): Likewise.
20118
20119 2008-01-13  Richard Guenther  <rguenther@suse.de>
20120
20121         PR middle-end/34601
20122         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
20123         instead of TYPE_MODE to deal with calls from expand_one_error_var.
20124
20125 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
20126
20127         * gcse.c (cprop_jump): Call validate_unshare_change instead of
20128         validate_change to unshare the source of the PC set.
20129
20130 2008-01-12  Jan Hubicka  <jh@suse.cz>
20131
20132         PR middle-end/32135
20133         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
20134         references above array bounds.  This might trigger bounds checks for
20135         pointers to arrays.
20136
20137 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
20138
20139         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
20140         new_replaceable_dependencies.
20141
20142 2008-01-12  Doug Kwan  <dougkwan@google.com>
20143
20144         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
20145         instead of OPT_Wreturn_type in warning due to ignored return type
20146         qualifiers.
20147         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
20148         options included in -Wextra.
20149         * c.opt: New option -Wignored_qualifiers.
20150         * doc/invoke.texi (Warning Options, -Wextra): Add new option
20151         -Wignore_qualifiers.
20152         (-Wignored-qualifiers): Document.
20153         (-Wreturn-type): Remove description of functionality now handled
20154         by -Wignored-qualifiers.
20155
20156 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
20157
20158         PR ada/33788
20159         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
20160         NOP_EXPR if it is between integral types with the same precision.
20161
20162 2008-01-12  Jan Hubicka  <jh@suse.cz>
20163
20164         PR other/28023
20165         * invoke.texi (max-inline-recursive-depth): Fix default value.
20166
20167 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
20168
20169         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
20170         correct type.
20171
20172 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
20173
20174         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
20175
20176 2008-01-11  James E. Wilson  <wilson@specifix.com>
20177
20178         PR target/26015
20179         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
20180
20181 2008-01-11  Anatoly Sokolov <aesok@post.ru>
20182
20183         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
20184         save/restore frame pointer register and don't use 'call-prologues'
20185         optimization in function with "OS_task" attribute.
20186
20187 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
20188
20189         PR middle-end/31309
20190         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
20191         when copying to memory.
20192
20193 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
20194
20195         PR rtl-optimization/30905
20196         * cfgcleanup.c: Include dce.h
20197         (crossjumps_occured): New global variable.
20198         (try_crossjump_bb): Exit loop after finding a fallthru edge.
20199         If something changed, set crossjumps_occured to true.
20200         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
20201         Don't add/remove fake edges to exit here...
20202         (cleanup_cfg): ...but do it here, when crossjumping.
20203         Run a fast DCE when successful crossjumps occured in the latest
20204         iteration of try_optimize_cfg.
20205
20206 2008-01-11  Richard Guenther  <rguenther@suse.de>
20207
20208         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
20209         (struct vn_unary_op_s): Likewise.
20210         (vn_reference_insert): Free old reference on hash collision.
20211
20212 2008-01-10  Raksit Ashok  <raksit@google.com>
20213
20214         PR rtl-optimization/27971
20215         * combine.c (find_split_point): Split PLUS expressions which are
20216         inside a MEM rtx, and whose first operand is complex.
20217
20218 2008-01-10  DJ Delorie  <dj@redhat.com>
20219
20220         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
20221         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
20222         (m32c_hard_regno_ok): Call the underlying function.
20223
20224 2008-01-10  Richard Guenther  <rguenther@suse.de>
20225
20226         PR middle-end/34683
20227         * tree-cfg.c (tree_merge_blocks): Do not go through the
20228         full-blown folding and stmt updating path if we just deal
20229         with virtual operands.
20230         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
20231         test for abnormal SSA_NAMEs.
20232
20233 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
20234
20235         PR middle-end/34641
20236         * reload.c (push_reload): Add assertions.  All constants from
20237         reg_equiv_constant should have been used for replacing the respective
20238         pseudo earlier.
20239         (find_reloads_address): Invoke find_reloads_address_part for
20240         constant taken from the reg_equiv_constant array.
20241
20242 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
20243
20244         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
20245         field (valnum) the first in the struct.  Replace bools with
20246         unit bit fields.
20247
20248 2008-01-10  Richard Guenther  <rguenther@suse.de>
20249
20250         PR tree-optimization/34651
20251         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
20252         types and ordering for masking and converting.
20253
20254 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
20255
20256         PR tree-optimization/34017
20257         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
20258         also for PHI_NODE expressions.
20259
20260 2008-01-09  Jan Hubicka  <jh@suse.cz>
20261
20262         PR tree-optimization/34708
20263         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
20264         based on number of case labels.
20265         (init_inline_once): Remove switch_cost.
20266         * tree-inline.h (eni_weights_d): Remove switch_cost.
20267
20268 2008-01-09  Richard Guenther  <rguenther@suse.de>
20269         Andrew Pinski  <andrew_pinski@playstation.sony.com>
20270
20271         PR middle-end/30132
20272         * gimplify.c (gimplify_cond_expr): Do not create an addressable
20273         temporary if an rvalue is ok or an lvalue is not required.
20274
20275 2008-01-09  Richard Guenther  <rguenther@suse.de>
20276
20277         PR middle-end/34458
20278         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
20279         adjust return type.
20280
20281 2008-01-09  Richard Guenther  <rguenther@suse.de>
20282
20283         PR middle-end/34679
20284         * tree.c (host_integerp): Check for sizetype only if the
20285         type is an integer type.
20286
20287 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
20288
20289         PR debug/26364
20290         * opts.c (decode_options): Disable inlining of functions called
20291         once if not in unit-at-a-time mode.
20292
20293 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
20294
20295         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
20296
20297 2008-01-08  Richard Guenther  <rguenther@suse.de>
20298
20299         PR middle-end/31863
20300         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
20301         out early if the result will be unused.
20302
20303 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20304
20305         PR target/34709
20306         Revert:
20307
20308         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20309         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20310         for TARGET_RECIP.
20311
20312 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
20313
20314         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
20315         for vectorization tuned.
20316
20317 2008-01-08  Richard Guenther  <rguenther@suse.de>
20318
20319         PR tree-optimization/34683
20320         * tree-ssa-operands.c (operand_build_cmp): Export.
20321         * tree-ssa-operands.h (operand_build_cmp): Declare.
20322         * tree-vn.c (vuses_compare): Remove.
20323         (sort_vuses): Use operand_build_cmp.
20324         (sort_vuses_heap): Likewise.
20325         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
20326         to re-use old VEC if available.  Do not sort already sorted VUSEs.
20327         (vdefs_to_vec): Do not sort already sorted VDEFs.
20328
20329 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
20330
20331         PR middle-end/34694
20332         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
20333
20334 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
20335
20336         PR target/34702
20337         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
20338         limitations of reciprocal sequences on x86 targets.
20339
20340 2008-01-08  Richard Guenther  <rguenther@suse.de>
20341
20342         PR tree-optimization/34683
20343         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
20344
20345 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
20346
20347         PR target/34622
20348         * config/darwin.c (darwin_mergeable_string_section): Don't use
20349         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
20350
20351 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
20352
20353         PR target/34682
20354         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
20355         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
20356         predicates of op0 and op1 to register_operand.
20357         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
20358         expander using X87MODEF mode iterator.  Change predicates of
20359         op0 and op1 to register_operand.
20360         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
20361         corresponding patterns and macroize using MODEF macro.  Change
20362         predicates of op0 and op1 to register_operand and remove
20363         "m" constraint. Disparage "r" alternative with "!".
20364         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
20365         macroize using X87MODEF macro.  Change predicates of op0 and op1
20366         to register_operand and remove "m" constraint.  Disparage "r"
20367         alternative with "!".
20368         (absneg splitter with memory operands): Remove.
20369         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
20370         patterns and macroize using X87MODEF mode iterator.
20371         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
20372         Change predicate of op1 to register_operand.
20373         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
20374         for memory operands.
20375
20376 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
20377
20378         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
20379
20380 2008-01-07  Richard Guenther  <rguenther@suse.de>
20381
20382         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
20383         fields.
20384
20385 2008-01-07  Richard Guenther  <rguenther@suse.de>
20386
20387         PR tree-optimization/34683
20388         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
20389         VOPs of the needed size to save memory.  Use VEC_quick_push
20390         to save compile-time.
20391         (vdefs_to_vec): Likewise.
20392
20393 2008-01-07  Sa Liu  <saliu@de.ibm.com>
20394
20395         * config/spu/spu.md (divdf3): Genetate inline code for double
20396         division.  The implementation doesn't handle INF or NAN, therefore it
20397         only applies when -ffinite-math-only is given.
20398
20399 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
20400
20401         PR libstdc++/34680
20402         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
20403         * doc/cpp.texi ([Common Predefined Macros]): Document.
20404
20405 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
20406
20407         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
20408         order to use commutative addition instead of subtraction.
20409
20410 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
20411             Mircea Namolaru  <namolaru@il.ibm.com>
20412             Vladimir Yanovsky  <yanov@il.ibm.com>
20413             Revital Eres  <eres@il.ibm.com>
20414
20415         PR tree-optimization/34263
20416         * tree-outof-ssa.c (process_single_block_loop_latch,
20417         contains_tree_r): New functions.
20418         (analyze_edges_for_bb): Call process_single_block_loop_latch
20419         function to empty single-basic-block latch block if possible.
20420
20421 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20422
20423         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
20424         for TARGET_RECIP.
20425         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
20426
20427 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20428
20429         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
20430
20431 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
20432
20433         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
20434
20435 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
20436
20437         PR tree-optimization/34618
20438         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
20439         flag from T.
20440
20441 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
20442
20443         PR target/34673
20444         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
20445         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
20446         Update copyright year.
20447
20448         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
20449         Update copyright year.
20450         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
20451         using NR fixup.
20452
20453 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
20454
20455         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
20456         edge does not point to current bb before changing need_assert.
20457
20458 2008-01-04  Richard Guenther  <rguenther@suse.de>
20459
20460         PR middle-end/34029
20461         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
20462         for verifying purposes if they are is_gimple_min_invariant.
20463
20464 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
20465
20466         PR tree-optimization/34448
20467         PR tree-optimization/34465
20468         * gimplify.c (gimplify_init_constructor): Add new parameter
20469         notify_temp_creation.  Use it.
20470         (gimplify_modify_expr_rhs): Take volatiles into account when
20471         optimizing constructors.
20472         Do not optimize constructors if gimplify_init_constructor will dump to
20473         memory.
20474         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
20475         * gcc.c-torture/compile/pr34448.c: New.
20476
20477 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
20478
20479         PR gcov-profile/34609
20480         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
20481         return_slot if result is TREE_ADDRESSABLE.
20482
20483 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
20484
20485         * config/mips/mips.md (sqrt_condition): Tweak comment.
20486         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
20487
20488 2008-01-03  Tom Tromey  <tromey@redhat.com>
20489
20490         PR c/34457
20491         * c-common.c (c_type_hash): Handle VLAs.
20492
20493 2008-01-03  Jan Hubicka  <jh@suse.cz>
20494
20495         PR tree-optimization/31081
20496         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
20497         0 when inlining and not inlining to first basic block.
20498         (remap_decl): When var is initialized to 0, don't set default_def.
20499         (expand_call_inline): Set entry_bb.
20500         * tree-inline.h (copy_body_data): Add entry_bb.
20501
20502 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20503
20504         PR c++/34619
20505         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
20506         before returning.
20507
20508         PR tree-optimization/29484
20509         * tree-inline.c (inline_forbidden_p_2): New function.
20510         (inline_forbidden_p): Disallow inlining if some static var
20511         has an address of a local LABEL_DECL in its initializer.
20512         * doc/extend.texi (Labels as Values): Document &&foo behaviour
20513         vs. inlining.
20514
20515 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
20516
20517         PR tree-optimization/34635
20518         * tree-data-ref.c (add_other_self_distances): Make sure that the
20519         evolution step is constant.
20520
20521 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
20522
20523         PR middle-end/34608
20524         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
20525
20526 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
20527
20528         * tree-sra.c (scalarize_init): Insert the generate_element_init
20529         statements after the generate_element_zero statements.
20530
20531 2008-01-02  Richard Guenther  <rguenther@suse.de>
20532
20533         PR middle-end/34093
20534         PR middle-end/31976
20535         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
20536         for very large number of operands instead of ICEing.
20537
20538 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
20539
20540         PR target/34013
20541         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
20542         while stack probing.
20543
20544 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
20545
20546         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
20547         in C++0x mode.
20548
20549 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
20550
20551         PR libmudflap/26442
20552         * tree-mudflap.c (mx_register_decls): Guard warning by
20553         !DECL_ARTIFICIAL check.
20554
20555 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
20556
20557         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
20558         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
20559         sse5_perm<mode>): Fix constraints.