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* fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
2
3         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
4         a BIT_AND_EXPR only for an INTEGER_TYPE.
5
6 2008-05-16  David S. Miller  <davem@davemloft.net>
7
8         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before
9         overriding.
10         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
11
12 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
13
14         PR target/36246
15         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
16
17 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
18
19         * ifcvt.c (dead_or_predicable): Rename
20         df_simulate_one_insn_backwards to df_simulate_one_insn.
21         * recog.c (peephole2_optimize): Ditto.
22         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq): 
23         Ditto.
24         * df.h: Rename df_simulate_one_insn_backwards to
25         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
26         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
27         scanning of defs and uses.
28         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
29         (df_simulate_one_insn_forwards): Removed.
30
31 2008-05-16  Doug Kwan  <dougkwan@google.com>
32
33         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
34         QNaN & SNaN.
35         (real_from_string): Handle NaNs and Inf as approriate.
36
37 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
38
39         * doc/gty.texi (Source Files Containing Type Information): Note
40         that headers should appear first in the gtfiles list.
41
42 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
43
44         * tree.def (COND_EXEC): Properly documented this code.
45
46 2008-05-16  Diego Novillo  <dnovillo@google.com>
47
48         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
49         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
50         the new field.
51
52 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
53
54         * tree-ssa-dse (max_stmt_uid): Removed.
55         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
56         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
57         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
58         * function.h (cfun.last_stmt_uid): New field.
59         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
60         gimple_stmt_max_uid, set_gimple_stmt_max_uid, 
61         inc_gimple_stmt_max_uid): New functions.
62         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
63         (create_stmt_ann): Initialize the ann->uid field.
64         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
65         with new calls.
66         * tree-flow.h (renumber_gimple_stmt_uids): New function.
67
68 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
69
70         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
71         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
72         (init_empty_tree_cfg): Call it.
73
74 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
75
76         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
77         Update all users.
78
79 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
80
81         * doc/invoke.text (-fdump-tree-*-verbose): New option.
82         * tree-dump.c (dump_options): New verbose option.
83         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
84         Add verbose dump.
85         * tree-pass.h (TDF_VERBOSE): New dump flag.
86         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
87         (tree-flow.h): Added include.
88         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
89
90 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
91
92         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
93
94         From Jie Zhang  <jie.zhang@analog.com>
95         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
96         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
97         mcpu=bf561-none and mcpu=bf561-0.2.
98         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
99         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
100         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
101         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
102         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
103         BFIN_CPU_UNKNOWN.
104         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
105         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
106         option.
107         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
108         (cputype_selected): Remove.
109         (bfin_handle_option): Don't use cputype_selected.
110         (override_options): When no mcpu option, enable all workarounds.
111         Don't use bfin_workarounds.
112         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
113         processor type.
114         (DEFAULT_CPU_TYPE): Don't define.
115
116 2008-05-16  Richard Guenther  <rguenther@suse.de>
117
118         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
119         on deletion of the last stmt.
120
121 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
122
123         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
124         V8HImode for SSE2 and V16QImode for SSE4.1.
125
126 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
127
128         * cgraph.h (compute_inline_parameters): Made public.
129         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
130         variable_generate_summary, function_write_summary,
131         variable_write_summary, variable_read_summary.  Added 
132         generate_summary, write_summary, read_summary.
133         * cgraphunit.c (cgraph_process_new_functions): Changed call from
134         pass_ipa_inline.function_generate_summary, to
135         compute_inline_parameters. 
136         * ipa-inline.c (compute_inline_parameters): Made public and added
137         node parameter.
138         (compute_inline_parameters_for_current): New function.
139         (pass_inline_param): Now calls compute_inline_parameters_for_current.
140         (inline_generate_summary): Removed parameter and made to loop over
141         all cgraph nodes.
142         (pass_ipa_inline): Updated for new IPA_PASS structure.
143         * passes.c (execute_ipa_summary_passes): Now is called once per
144         pass rather than once per node*pass.
145         
146 2008-05-15  Anatoly Sokolov <aesok@post.ru>
147
148         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
149         avr_have_mul_p, avr_asm_only_p): Remove variables.
150         (avr_override_options): Remove initialization of removed variables.
151         (avr_file_start):  Convert removed variables to fields of 
152         'struct base_arch_s *avr_current_arch'. 
153         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
154         (AVR_HAVE_MUL): (Ditto.).
155         (AVR_HAVE_MOVW): (Ditto.).
156         (AVR_HAVE_LPMX): (Ditto.). 
157         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
158         avr_asm_only_p): Remove declaration.
159
160 2008-05-15  Diego Novillo  <dnovillo@google.com>
161
162         * config/arm/arm.c (arm_return_in_memory): Fix return type.
163         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
164
165 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
166
167         PR middle-end/36194
168         * combine.c (check_conversion): Rename back to check_promoted_subreg.
169         Don't call record_truncated_value from here.
170         (record_truncated_value): Turn it into a for_each_rtx callback.
171         (record_truncated_values): New function.
172         (combine_instructions): Call note_uses with record_truncated_values.
173         Change name of check_conversion to check_promoted_subreg. 
174
175 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
176
177         * doc/sourcebuild.texi: Document support for torture tests.
178
179 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
180
181         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
182         to alternative 4 of operand 2.
183
184 2008-05-15  Richard Guenther  <rguenther@suse.de>
185
186         * tree-pass.h (current_pass): Declare.
187         (get_pass_for_id): Likewise.
188         * passes.c (passes_by_id, passes_by_id_size): New globals.
189         (set_pass_for_id): New function.
190         (get_pass_for_id): Likewise.
191         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
192         (execute_function_todo): Flush per function statistics.
193         * toplev.c (compile_file): Init statistics.
194         (general_init): Do early statistics initialization.
195         (finalize): Finish statistics.
196         * statistics.h (statistics_early_init): Declare.
197         (statistics_init): Likewise.
198         (statistics_fini): Likewise.
199         (statistics_fini_pass): Likewise.
200         (statistics_counter_event): Likewise.
201         (statistics_histogram_event): Likewise.
202         * statistics.c: New file.
203         * Makefile.in (OBJS-common): Add statistics.o.
204         (statistics.o): Add dependencies.
205         * doc/invoke.texi (-fdump-statistics): Document.
206
207         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
208         (insert): Likewise.
209         (execute_pre): Use statistics_counter_event.
210         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
211         (substitute_and_fold): Increment it.  Use statistics_counter_event.
212
213 2008-05-15  Diego Novillo  <dnovillo@google.com>
214
215         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
216
217         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
218         * tree-ssa-alias.c (new_type_alias): Remove references to
219         sub-variables from comment.
220         * tree-ssa-operands.c (swap_tree_operands): Likewise.
221
222 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
223
224         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
225         attribute to 1 only for insertps alternative.
226
227 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
228
229         * config/bfin/bfin.md (loadbytes): New pattern.
230         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
231         (bfin_init_builtins): Initialize it.
232         (bdesc_1arg): Add it.
233
234 2008-05-15  Sa Liu  <saliu@de.ibm.com>
235
236         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
237         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
238         * testsuite/lib/target-supports.exp: Add
239         check_effective_target_fortran_integer_16.
240
241 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
242
243         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
244         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
245         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
246         (TARGET_RETURN_IN_MEMORY): Define.
247
248 2008-05-15  Richard Guenther  <rguenther@suse.de>
249
250         PR middle-end/36244
251         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
252         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
253         represent unmodifiable vars.
254
255 2008-05-15  Richard Guenther  <rguenther@suse.de>
256
257         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
258         INDIRECT_REF and TARGET_MEM_REF.
259         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
260         TARGET_MEM_REF.
261
262 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
263             H.J. Lu  <hongjiu.lu@intel.com>
264
265         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
266         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
267         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
268         insn alternatives.  Add missing alternatives.
269         (*vec_concatv2di_rex64_sse4_1): Likewise.
270         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
271         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
272         Require TARGET_SSE.
273
274 2008-05-15  Richard Guenther  <rguenther@suse.de>
275
276         PR tree-optimization/36009
277         PR tree-optimization/36204
278         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
279         (determine_invariantness_stmt): Record the loop a store is
280         always executed in.
281         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
282         dependency.
283
284 2008-05-15  Richard Guenther  <rguenther@suse.de>
285
286         PR tree-optimization/34330
287         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
288         through the pointer will alias the SMT.
289
290 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
291
292         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
293
294 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
295
296         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
297
298 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
299             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
300
301         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
302         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
303         (vashl_optab): New optab for vector/vector shifts.
304         (vashr_optab): Ditto.
305         (vlshr_optab): Ditto.
306         (vrotl_optab): Ditto.
307         (vrotr_optab): Ditto.
308         (optab_subtype): New enum for optab_for_tree_code call.
309         (optab_for_tree_code): Add enum optab_subtype argument.
310
311         * optabs.c (optab_for_tree_code): Take an additional argument to
312         distinguish between a vector shift by a scalar and vector shift by
313         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
314         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
315         vector shift by a vector.
316         (expand_widen_pattern_expr): Pass additional argument to
317         optab_for_tree_code.
318
319         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
320         vrotl_optab, vrotr_optab.
321
322         * expr.c (expand_expr_real_1): Update calls to
323         optab_for_tree_code to distinguish between vector shifted by a
324         scalar and vector shifted by a vector.
325         * tree-vectorizer.c (supportable_widening_operation): Ditto.
326         (supportable_narrowing_operation): Ditto.
327         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
328         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
329         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
330         (vect_create_epilog_for_reduction): Ditto.
331         (vectorizable_reduction): Ditto.
332         (vectorizable_operation): Ditto.
333         (vect_strided_store_supported): Ditto.
334         (vect_strided_load_supported): Ditto.
335         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
336         * expmed.c (expand_shift): Ditto.
337
338         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
339         scalar type.
340         (ashr@var{m}3): Ditto.
341         (vashl@var{m}3): Document new vector/vector shift standard name.
342         (vashr@var{m}3): Ditto.
343         (vlshr@var{m}3): Ditto.
344         (vrotl@var{m}3): Ditto.
345         (vrotr@var{m}3): Ditto.
346
347         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
348         (PPERM_INVERT): Ditto.
349         (PPERM_REVERSE): Ditto.
350         (PPERM_REV_INV): Ditto.
351         (PPERM_ZERO): Ditto.
352         (PPERM_ONES): Ditto.
353         (PPERM_SIGN): Ditto.
354         (PPERM_INV_SIGN): Ditto.
355         (PPERM_SRC1): Ditto.
356         (PPERM_SRC2): Ditto.
357
358         * config/i386/sse.md (mulv2di3): Add SSE5 support.
359         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
360         allows a memory operand to be the value being added, and split it
361         to improve vectorization.
362         (sse5_pmacsdqh_mem): Ditto.
363         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
364         (sse5_mulv2div2di3_high): Ditto.
365         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
366         (vec_pack_trunc_v4si): Ditto.
367         (vec_pack_trunc_v2di): Ditto.
368         (sse5_pcmov_<mode>): Remove code that tried to use use
369         andps/andnps instead of pcmov.
370         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
371         pmacsdqh instructions.
372         (vec_widen_smult_lo_v4si): Ditto.
373
374         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
375         (PPERM_INVERT): Ditto.
376         (PPERM_REVERSE): Ditto.
377         (PPERM_REV_INV): Ditto.
378         (PPERM_ZERO): Ditto.
379         (PPERM_ONES): Ditto.
380         (PPERM_SIGN): Ditto.
381         (PPERM_INV_SIGN): Ditto.
382         (PPERM_SRC1): Ditto.
383         (PPERM_SRC2): Ditto.
384         (ix86_expand_sse_movcc): Move the SSE5 test after the if
385         true/false tests.
386         (ix86_expand_int_vcond): If SSE5 generate all possible integer
387         comparisons.
388         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
389         says ignore whether the last reference is a memory operand.
390
391 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
392             Paolo Bonzini <bonzini at gnu dot org>
393
394         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
395         shift patterns.
396
397         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
398         (vlshr<mode>3): Rename from vlshr<mode>3.
399         (vashr<mode>3): Rename from vashr<mode>3.
400         (mulv4sf3): Change the names of vector shift patterns.
401         (mulv4si3): Ditto.
402         (negv4sf2): Ditt.
403
404         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
405         shift insns.
406
407         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
408         (SI_SHLHI): Ditto.
409         (SI_SHL): Ditto.
410         (SI_SHLI): Ditto.
411         (SI_ROTH): Ditto.
412         (SI_ROTHI): Ditto.
413         (SI_ROT): Ditto.
414         (SI_ROTI): Ditto.
415         (SPU_RL_0): Ditto.
416         (SPU_RL_1): Ditto.
417         (SPU_RL_2): Ditto.
418         (SPU_RL_3): Ditto.
419         (SPU_RL_4): Ditto.
420         (SPU_RL_5): Ditto.
421         (SPU_RL_6): Ditto.
422         (SPU_RL_7): Ditto.
423         (SPU_SL_0): Ditto.
424         (SPU_SL_1): Ditto.
425         (SPU_SL_2): Ditto.
426         (SPU_SL_3): Ditto.
427         (SPU_SL_4): Ditto.
428         (SPU_SL_5): Ditto.
429         (SPU_SL_6): Ditto.
430         (SPU_SL_7): Ditto.
431
432         * config/spu/spu.md (v): New iterator macro to add v for vector types.
433         (floatunssidf2_internal): Change vector/vector shift names.
434         (floatunsdidf2_internal): Ditto.
435         (mulv8hi3): Ditto.
436         (ashrdi3): Ditto.
437         (ashrti3): Ditto.
438         (cgt_df): Ditto.
439         (cgt_v2df): Ditto.
440         (dftsv): Ditto.
441         (vashl<mode>3): Rename from ashl<mode>3.
442         (vashr<mode>3): Rename from ashr<mode>3.
443         (vlshr<mode>3): Rename from lshr<mode>3.
444         (vrotl<mode>3): Rename from rotl<mode>3.
445
446 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
447
448         PR target/36224
449         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
450         multiply gives the wrong value when doing widening multiplies.
451         (vec_widen_smult_lo_v4si): Ditto.
452
453 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
454
455         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
456         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
457         emit_library_call_value. 
458         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
459         * tree.h (ECF_LIBCALL_BLOCK): Removed.
460         * calls.c (initialize_argument_information, precompute_arguments, 
461         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
462         (precompute_arguments): Removed flags parameter.
463         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
464         
465 2008-05-14  Richard Guenther  <rguenther@suse.de>
466
467         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
468         Make sure to register the store if the use is a PHI_NODE.
469
470 2008-05-14  Olivier Hainque  <hainque@adacore.com>
471
472         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
473         memory if the component is to be referenced in BLKmode according
474         to get_inner_reference.
475
476 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
477
478         * calls.c (emit_library_call_value_1): Restore code clearing
479         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
480
481 2008-05-14  Olivier Hainque  <hainque@adacore.com>
482             Nicolas Roche  <roche@adacore.com>
483
484         * configure.ac: Add support for a "gcc_subdir" variable in
485         config-lang.in, to denote a subdirectory where the language/GCC
486         integration files are to be found.
487         * configure: Regenerate.
488
489 2008-05-14  Ira Rosen  <irar@il.ibm.com>
490
491         PR tree-optimization/36098
492         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
493         value for the first load in the group in case of a gap.
494         (vect_build_slp_tree): Check that there are no gaps in loads.
495
496 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
497
498         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
499         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
500         expand_copysign_bit, ): Change call to emit_no_conflict_block to
501         emit_insn and remove unneeded code to construct extra args.
502         (emit_no_conflict_block): Removed.
503         * optabls.h: (emit_no_conflict_block): Removed.
504         * cse.c (cse_extended_basic_block): Remove search for
505         REG_NO_CONFLICT note.
506         * global.c: Removed incorrect comment added in revision 117.
507         * expr.c (convert_move): Change call to emit_no_conflict_block to
508         emit_insn.
509         * recog.c: Change comments so that they do not mention
510         REG_NO_CONFLICT.
511         * local_alloc.c (combine_regs): Removed last parameter.
512         (no_conflict_p): Removed.
513         (block_alloc): Removed note, no_conflict_combined_regno and set
514         local vars. Removed all code to process REG_NO_CONFLICT blocks.
515         (combine_regs): Removed already_dead and code to look for
516         REG_NO_CONFLICT notes.
517         * lower_subreg (remove_retval_note): Removed code to look for
518         REG_NO_CONFLICT block.
519         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
520         (resolve_clobber): Remove code to process libcalls that have
521         REG_NO_CONFLICT notes.
522         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
523         case.
524         * combine.c (can_combine_p, distribute_notes):  Removed
525         REG_NO_CONFLICT case.
526         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
527         to emit_insns.
528         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
529         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
530         Ditto.
531         * reg-notes.def (NO_CONFLICT): Removed.
532
533 2008-05-14  David S. Miller  <davem@davemloft.net>
534
535         * config/sparc/sparc.c (sparc_profile_hook): If
536         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
537         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
538         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
539
540 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
541
542         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
543
544 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
545
546         PR target/36222
547         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
548         and op1 expansion before vector concat to have less live pseudos.
549
550 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
551
552         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
553         ix86_expand_vector_set if supported.
554
555 2008-05-13  Diego Novillo  <dnovillo@google.com>
556             Kenneth Zadeck  <zadeck@naturalbridge.com>
557
558         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
559
560         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
561         phinodes_print_statistics, init_ssanames, fini_ssanames,
562         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
563         release_ssa_name, release_defs, replace_ssa_name_symbol,
564         ssanames_print_statistics): Move ...
565         * tree-flow.h: ... here.
566         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
567         Use FN instead of cfun.
568         (make_ssa_name_fn): Rename from make_ssa_name.
569         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
570         * tree-flow-inline.h (make_ssa_name): Move from
571         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
572         * omp-low.c (expand_omp_parallel):
573         * tree-flow-inline.h (redirect_edge_var_map_result):
574         * tree-ssa.c (init_tree_ssa): Add argument FN.
575         Use it instead of cfun.  Update all users.
576
577 2008-05-13  Tom Tromey  <tromey@redhat.com>
578
579         PR preprocessor/22168:
580         * doc/cpp.texi (Top): Update menu.
581         (Alternatives to Wrapper #ifndef): New node.
582         (Other Directives): Document deprecation.
583         (Obsolete Features): Remove menu.
584         (Assertions): Merge node into Obsolete Features.
585         (Obsolete once-only headers): Move earlier; rename to Alternatives
586         to Wrapper #ifndef.
587         * doc/cppopts.texi: Update.
588         * c.opt (Wdeprecated): Enable for C and ObjC.
589         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
590         (C++ Dialect Options): Move -Wno-deprecated from here to...
591         (Warning Options): ... here.
592
593 2008-05-13  Richard Guenther  <rguenther@suse.de>
594
595         PR middle-end/36227
596         * fold-const.c (fold_sign_changed_comparison): Do not allow
597         changes in pointer-ness.
598
599 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
600
601         PR target/24713
602         * config/sh/sh.c (sh_expand_prologue): Don't clear
603         RTX_FRAME_RELATED_P for push insns.
604
605 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
606
607         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
608
609 2008-05-12  Anatoly Sokolov <aesok@post.ru>
610
611         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
612         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
613         Use 'machine->is_leaf' instead of 'leaf_func_p'.
614
615 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
616
617         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
618         (*vec_concatv4sf_sse): This.
619         (*sse2_concatv2si): Renamed to ...
620         (*vec_concatv2si_sse2): This.
621         (*sse1_concatv2si): Renamed to ...
622         (*vec_concatv2si_sse): This.
623         (*vec_concatv2di_rex): Renamed to ...
624         (*vec_concatv2di_rex64): This.
625         (*vec_concatv2si_sse4_1): New.
626         (*vec_concatv2di_rex64_sse4_1): Likewise.
627
628 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
629
630         PR rtl-optimization/36111
631         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
632         that was created for swappable operands.
633
634 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
635
636         PR ada/36001
637         * Makefile.in: Substitute GNATMAKE and GNATBIND.
638         * configure.ac: Add call to ACX_PROG_GNAT.
639
640 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
641
642         * optc-gen.awk: Fix comment typo.
643
644 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
645
646         * pretty-print.c (pp_integer_with_precision): Use
647         HOST_LONG_LONG_FORMAT.
648
649 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
650
651         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
652                 
653 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
654
655         * config/i386/i386.c (bdesc_ptest): Removed.
656         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
657         (bdesc_args): Add __builtin_ia32_ptestz128,
658         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
659         (ix86_init_mmx_sse_builtins): Updated.
660         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
661         (ix86_expand_builtin): Updated.
662
663 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
664
665         * tree-cfg.c (valid_fixed_convert_types_p): New function.
666         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
667
668 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
669
670         * value-prof.c (interesting_stringop_to_profile): Do not
671         return early for BUILT_IN_MEMPCPY.
672
673 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
674
675         * calls.c (expand_call): Don't use callgraph to increase
676         preferred_stack_boundary.
677
678         * cgraph.h (cgraph_rtl_info): Use unsigned on
679         preferred_incoming_stack_boundary.
680
681         * final.c (rest_of_clean_state): Use unsigned on
682         preferred_stack_boundary.
683
684 2008-05-09  Tom Tromey  <tromey@redhat.com>
685
686         PR preprocessor/22231:
687         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
688         proceeding.
689
690 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
691
692         PR tree-optimization/36129
693         * tree-ssa-ccp.c: Include value-prof.h.
694         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
695         built-in function was folded to a constant.
696         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
697
698 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
699             Sebastian Pop  <sebastian.pop@amd.com>
700
701         * tree-scalar-evolution.c: Document instantiate_scev.
702         (instantiate_parameters_1): Renamed instantiate_scev_1.
703         Don't use the same loop for instantiation_loop and evolution_loop.
704         (instantiate_scev): New.
705         (instantiate_parameters): Moved...
706         (resolve_mixers): Update call to instantiate_scev_1 to pass the
707         same loop twice.  Maintains the semantics for this function.
708         * tree-scalar-evolution.h (instantiate_scev): Declare.
709         (instantiate_parameters): ...here.  Now static inline.
710         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
711         instead of resolve_mixers.
712
713 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
714
715         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
716
717 2008-05-09  Tomas Bily  <tbily@suse.cz>
718
719         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
720         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
721         * tree-ssa-structalias.c (get_constraint_for): Likewise.
722         * c-common.c (c_common_truthvalue_conversion): Likewise.
723         * tree-object-size.c (compute_object_offset): Likewise.
724         * tree-inline.c (estimate_num_insns_1): Likewise.
725         * varasm.c (const_hash_1, compare_constant, copy_constant)
726         (compute_reloc_for_constant, output_addressed_constants)
727         (initializer_constant_valid_p): Likewise.
728         * c-omp.c (check_omp_for_incr_expr): Likewise.
729         * gimplify.c (gimplify_expr): Likewise.
730         * c-typeck.c (c_finish_return): Likewise.
731         * tree-vectorizer.c (supportable_widening_operation)
732         (supportable_narrowing_operation): Likewise.
733         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
734         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
735         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
736         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
737         (descr_info_loc): Likewise.
738         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
739         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
740         (fold_unary): Likewise.
741         * builtins.c (get_pointer_alignment): Likewise.
742         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
743         (instantiate_parameters_1): Likewise.
744         * tree.c (expr_align, stabilize_reference): Likewise.
745         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
746         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
747         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
748         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
749         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
750         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
751         Likewise.
752         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
753         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
754         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
755         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
756         (forward_propagate_comparison)
757         (tree_ssa_forward_propagate_single_use_vars): Likewise.
758         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
759         * emit-rtl.c (component_ref_for_mem_expr)
760         (set_mem_attributes_minus_bitpos): Likewise.
761         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
762         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
763         Likewise.
764         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
765         (build_function_call, pointer_diff, build_compound_expr)
766         (c_finish_return): Likewise.
767         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
768         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
769         Likewise.
770         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
771         * expr.c (is_aligning_offset): Likewise.
772         * tree-ssa-alias.c (is_escape_site): Likewise.
773         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
774         (check_all_va_list_escapes): Likewise.
775         * tree-ssa-loop-ivopts.c (determine_base_object)
776         (determine_common_wider_type): Likewise.
777         * dojump.c (do_jump): Likewise.
778         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
779         * tree-gimple.c (is_gimple_cast): Likewise.
780         * fold-const.c (decode_field_reference, )
781         (fold_sign_changed_comparison, fold_unary, fold_comparison)
782         (fold_binary): Likewise.
783         * tree-ssa-alias-warnings.c (find_alias_site_helper)
784         (already_warned_in_frontend_p): Likewise.
785         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
786         * tree.c (really_constant_p, get_unwidened): Likewise.
787         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
788         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
789         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
790         Likewise.
791         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
792         CONVERT_EXPR_P.
793         (CONVERT_EXPR_P): Define.
794         (CASE_CONVERT): Define.
795         
796 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
797
798         PR middle-end/36117
799         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
800         (delete_unmarked_insns): When deleting a call, call
801         delete_unreachable_blocks.
802         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
803         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
804
805 2008-05-08  Richard Guenther  <rguenther@suse.de>
806
807         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
808         (-ftree-salias): Likewise.
809         (salias-max-implicit-fields): Remove param documentation.
810         (salias-max-array-elements): Likewise.
811         * tree-pass.h (pass_create_structure_vars): Remove.
812         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
813         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
814         * tree-ssa-alias.c (create_structure_vars): Remove.
815         (gate_structure_vars): Likewise.
816         (pass_create_structure_vars): Likewise.
817         (gate_build_alias): Likewise.
818         (pass_build_alias): Adjust to run always and dump the function.
819         * common.opt (ftree-salias): Hide.
820         * passes.c (init_optimization_passes): Remove
821         pass_create_structure_vars, adjust comment.
822         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
823         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
824         * opts.c (decode_options): Do not set flag_tree_salias.
825         (common_handle_option): Add OPT_ftree_salias to the backward
826         compatibility section.
827
828 2008-05-08  Richard Guenther  <rguenther@suse.de>
829
830         * tree-flow-inline.h (var_can_have_subvars): Move ...
831         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
832         * tree-flow.h (var_can_have_subvars): Remove.
833         (push_fields_onto_fieldstack): Remove.
834         (sort_fieldstack): Likewise.
835         (struct fieldoff): Move ...
836         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
837         alias_set and base_for_components fields.
838         (sort_fieldstack): Make static.
839         (push_fields_onto_fieldstack): Likewise.  Remove code that
840         handles anything but RECORD_TYPEs.  Remove alias_set and
841         base_for_components handling.
842         (create_variable_info_for): Adjust.
843
844 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
845
846         * common.opt (Wframe-larger-than=): Shorten the help message
847         to one line.
848         * doc/invoke.texi (Wframe-larger-than=): Add more description.
849
850 2008-05-08  Rafael Espindola  <espindola@google.com>
851
852         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
853         trap.
854         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
855         trap and that both operands are gimple values.
856         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
857         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
858         is a fp operation.
859
860 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
861
862         * read-rtl.c (join_c_conditions): Return the first string if the
863         two strings are equal.
864
865 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
866
867         * gensupport.h (pred_data): Add a "num_codes" field.
868         (add_predicate_code): Declare.
869         * gensupport.c (add_predicate_code): New function.
870         (std_pred_table): Add an "allows_const_p" field.
871         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
872         Remove the (incomplete) list of such codes from the codes field.
873         (init_predicate_table): Use add_predicate_code.  Add all
874         RTX_CONST_OBJs if allows_const_p is true.
875         * genrecog.c (process_define_predicate): Use add_predicate_code.
876
877 2008-05-08  David Daney  <ddaney@avtrex.com>
878             Richard Sandiford  <rsandifo@nildram.co.uk>
879         
880         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
881         special case of constant zero operands.
882         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
883         old and new values.  Special case constant zero values.
884         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
885         fails.
886         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
887         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
888
889 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
890
891         PR target/36090
892         * simplify-rtx.c (simplify_plus_minus): Create CONST of
893         similar RTX_CONST_OBJ before CONST_INT.
894
895 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
896
897         * stmt.c (expand_stack_restore): Change sa mode if needed.
898
899 2008-05-08  Richard Guenther  <rguenther@suse.de>
900
901         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
902         return type to bool.
903         (ix86_sol10_return_in_memory): Likewise.
904         (ix86_i386elf_return_in_memory): Likewise.
905         (ix86_i386interix_return_in_memory): Likewise.
906         * config/i386/i386.c (ix86_return_in_memory): Likewise.
907         (ix86_sol10_return_in_memory): Likewise.
908         (ix86_i386elf_return_in_memory): Likewise.
909         (ix86_i386interix_return_in_memory): Likewise.
910
911 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
912
913         PR bootstrap/36180
914         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
915         fndecl argument.
916         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
917         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
918         declared in front.
919
920 2008-05-08  Richard Guenther  <rguenther@suse.de>
921
922         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
923         * tree-data-ref.h (struct dr_alias): Remove subvars field.
924         (DR_SUBVARS): Remove.
925         * tree-dfa.c (dump_subvars_for): Remove.
926         (debug_subvars_for): Likewise.
927         (dump_variable): Do not dump subvars.
928         (remove_referenced_var): Do not remove subvars.
929         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
930         (lookup_subvars_for_var): Remove.
931         (get_subvars_for_var): Likewise.
932         (get_subvars_at): Likewise.
933         (get_first_overlapping_subvar): Likewise.
934         (overlap_subvar): Likewise.
935         * tree-flow.h (subvar_t): Remove.
936         (struct var_ann_d): Remove subvars field.
937         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
938         argument.  Remove special handling of SFTs.
939         (compute_tag_properties): Likewise.
940         (set_initial_properties): Likewise.
941         (compute_call_clobbered): Likewise.
942         (count_mem_refs): Likewise.
943         (compute_memory_partitions): Likewise.
944         (compute_flow_insensitive_aliasing): Likewise.
945         (setup_pointers_and_addressables): Likewise.
946         (new_type_alias): Likewise.
947         (struct used_part): Remove.
948         (used_portions): Likewise.
949         (struct used_part_map): Likewise.
950         (used_part_map_eq): Likewise.
951         (used_part_map_hash): Likewise.
952         (free_used_part_map): Likewise.
953         (up_lookup): Likewise.
954         (up_insert): Likewise.
955         (get_or_create_used_part_for): Likewise.
956         (create_sft): Likewise.
957         (create_overlap_variables_for): Likewise.
958         (find_used_portions): Likewise.
959         (create_structure_vars): Likewise.
960         * tree.def (STRUCT_FIELD_TAG): Remove.
961         * tree.h (MTAG_P): Adjust.
962         (struct tree_memory_tag): Remove base_for_components and
963         unpartitionable flags.
964         (struct tree_struct_field_tag): Remove.
965         (SFT_PARENT_VAR): Likewise.
966         (SFT_OFFSET): Likewise.
967         (SFT_SIZE): Likewise.
968         (SFT_NONADDRESSABLE_P): Likewise.
969         (SFT_ALIAS_SET): Likewise.
970         (SFT_UNPARTITIONABLE_P): Likewise.
971         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
972         (union tree_node): Remove sft field.
973         * alias.c (get_alias_set): Remove special handling of SFTs.
974         * print-tree.c (print_node): Remove handling of SFTs.
975         * tree-dump.c (dequeue_and_dump): Likewise.
976         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
977         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
978         * tree-predcom.c (set_alias_info): Do not set subvars.
979         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
980         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
981         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
982         (add_vars_for_offset): Remove.
983         (add_virtual_operand): Remove special handling of SFTs.
984         (add_call_clobber_ops): Likewise.
985         (add_call_read_ops): Likewise.
986         (get_asm_expr_operands): Likewise.
987         (get_modify_stmt_operands): Likewise.
988         (get_expr_operands): Likewise.
989         (add_to_addressable_set): Likewise.
990         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
991         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
992         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
993         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
994         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
995         (tree_node_structure): Likewise.
996         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
997         handling of SFTs.
998         (find_what_p_points_to): Likewise.
999
1000 2008-05-08  Sa Liu  <saliu@de.ibm.com>
1001
1002         * config/spu/spu.md: Fixed subti3 pattern.
1003
1004 2008-05-08  Richard Guenther  <rguenther@suse.de>
1005
1006         PR middle-end/36154
1007         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
1008         sure to create a representative for trailing arrays for PTA.
1009
1010 2008-05-08  Richard Guenther  <rguenther@suse.de>
1011
1012         PR middle-end/36172
1013         * fold-const.c (operand_equal_p): Two objects which types
1014         differ in pointerness are not equal.
1015
1016 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
1017
1018         * calls.c (compute_argument_block_size): Add argument tree fndecl.
1019         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
1020         (emit_library_call_value_1): Add new variable fndecl initialized by
1021         NULL_TREE. It should be the decl type of orgfun, but this information
1022         seems not to be available here, so it uses the default calling abi.
1023         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
1024         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
1025         by TARGET_RETURN_IN_MEMORY.
1026         * config/i386/i386-interix.h: Likewise.
1027         * config/i386/i386.h: Likewise.
1028         * config/i386/i386elf.h: Likewise.
1029         * config/i386/ptx4-i.h: Likewise.
1030         * config/i386/sol2-10.h: Likewise.
1031         * config/i386/sysv4.h: Likewise.
1032         * config/i386/vx-common.h: Likewise.
1033         * config/cris/cris.h: Removed #if 0 clause.
1034         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
1035         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
1036         argument.
1037         (ix86_sol10_return_in_memory): Likewise.
1038         (ix86_i386elf_return_in_memory): New.
1039         (ix86_i386interix_return_in_memory): New.
1040         * config/mt/mt-protos.h (mt_return_in_memory): New.
1041         * config/mt/mt.c: Likewise.
1042         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1043         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
1044         * config/bfin/bfin.h: Likewise.
1045         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
1046         argument.
1047         * config/bfin/bfin.c: Likewise.
1048         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
1049         * config/alpha/unicosmk.h: Likewise.
1050         * config/i386/cygming.h: Likewise.
1051         * config/iq2000/iq2000.h: Likewise.
1052         * config/mips/mips.h: Likewise.
1053         * config/mn10300/mn10300.h: Likewise.
1054         * config/rs6000/rs6000.h: Likewise.
1055         * config/score/score.h: Likewise.
1056         * config/spu/spu.h: Likewise.
1057         * config/v850/v850.h: Likewise.
1058         * defaults.h: Likewise.
1059         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
1060         * expr.c (emit_block_move): Adjust use of
1061         OUTGOING_REG_PARM_STACK_SPACE.
1062         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
1063         OUTGOING_REG_PARM_STACK_SPACE.
1064         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
1065
1066 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
1067
1068         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
1069         on OMP_RETURN for OMP_FOR.
1070
1071         PR debug/35896
1072         * dwarf2out.c (dw_expand_expr, common_check): Removed.
1073         (fortran_common): New function.
1074         (gen_variable_die): Call fortran_common instead of common_check,
1075         adjust for it returning tree instead of rtx.  Formatting.
1076
1077 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
1078
1079         PR rtl/7335
1080         PR rtl/33826
1081         * see.c (see_copy_insn): Copy new pure const attributes for new call.
1082         * c-decl.c (merge_decls): Ditto.
1083         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
1084         to RTL_CONST_OR_PURE_CALL_P.
1085         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
1086         Initialized DECL_LOOPING_CONST_PURE.
1087         (process_call_operands): Set tree_side_effects properly.
1088         * tree.h (TREE_READONLY_DECL_P): Removed.
1089         (DECL_IS_PURE): Renamed to DECL_PURE_P.
1090         (DECL_LOOPING_OR_CONST_P): New macro.
1091         (struct tree_function_decl): Added looping_const_or_pure_p.
1092         (ECF_*) Renumbered.
1093         (ECF_LOOPING_OR_CONST_P): New macro.
1094         * rtlanal.c (pure_const_p): Removed.
1095         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
1096         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
1097         to RTL_CONST_CALL_P.
1098         * ipa-pure-const.c (pure_const_state_e): Added looping field.
1099         (check_decl, check_tree, check_call, scan_function): Initialize
1100         looping.
1101         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
1102         (static_execute): Set looping true for recursive functions.
1103         Undo setting state to IPA_NEITHER for recursive functions.
1104         * cse.c (cse_insn): 
1105         * ifcvt.c (noce_can_store_speculate_p): Changed
1106         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or 
1107         RTL_CONST_OR_PURE_CALL_P.
1108         * dse.c (scan_insn): Ditto.
1109         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
1110         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
1111         RTL_CONST_OR_PURE_CALL_P.
1112         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
1113         pure_call_p to RTL_CONST_CALL_P.
1114         * gimplify.c (gimplify_call_expr): Clear side effects for
1115         non-looping pure and constant calls.
1116         * calls.c (emit_call_1): Set rtl flags from ecf flags.
1117         (flags_from_decl_or_type): Set ecf flags from decl flags.
1118         (initialize_argument_information): Turn off
1119         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
1120         Change const to pure if callee_copies is true rather than just
1121         turning off const.
1122         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
1123         way of marking pure calls.
1124         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
1125         Remove hack that was supposed to fix pr7335 and remove old
1126         way of marking pure calls.
1127         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
1128         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
1129         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
1130         RTL_CONST_OR_PURE_CALL_P.
1131         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
1132         * loop-invariant.c (find_exits, find_invariant_bb): Changed
1133         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
1134         * sched-deps.c (schedule_analyze): Ditto.
1135         * rtl.h (struct rtx_def): Use call field, unchanging field, and
1136         return_val field of calls to represent pure and const function info.
1137         (CONST_OR_PURE_CALL_P): Deleted macro.
1138         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
1139         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
1140         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
1141         TREE_READONLY.
1142         * tree-optimize.c (execute_fixup_cfg): Added test for
1143         ECF_LOOPING_CONST_OR_PURE.
1144         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
1145         DECL_PURE_P.
1146         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
1147         effects for looping pure or const calls.
1148         (verify_gimple_expr): Added verification code. 
1149         * config/alpha/alpha.c (alpha_legitimize_address,
1150         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
1151         RTL_CONST_CALL_P.
1152         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
1153         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
1154         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
1155         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
1156         RTL_CONST_OR_PURE_CALL_P.
1157         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
1158         and const calls to be deleted.
1159
1160 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1161
1162         PR target/35714
1163         * config/i386/mmx.md (mmx_subv2sf3): New expander.
1164         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
1165         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
1166         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1167         to handle nonimmediate operands.
1168         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
1169         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
1170         to handle nonimmediate operands.
1171         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
1172         (mmx_pmulhrwv4hi3): New expander.  Use
1173         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1174         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
1175         (sse2_umulv1siv1di3): New expander.  Use
1176         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1177         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
1178         (mmx_eq<mode>3): New expander.  Use
1179         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1180         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
1181         (mmx_uavgv8qi3): New expander.  Use
1182         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1183         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
1184         (mmx_uavgv4hi3): New expander.  Use
1185         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1186
1187         * config/i386/sse.md
1188         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
1189         to handle nonimmediate operands.
1190         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
1191         to handle nonimmediate operands.
1192         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
1193         to handle nonimmediate operands.
1194         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
1195         to handle nonimmediate operands.
1196         (sse2_unpckhpd_exp): New expander.  Use
1197         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1198         (sse2_unpcklpd_exp): New expander.  Use
1199         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1200         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
1201         to handle nonimmediate operands.
1202         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
1203         to handle nonimmediate operands.
1204         (*sse2_<plusminus_insn><mode>3): Rename from
1205         sse2_<plusminus_insn><mode>3 insn pattern.
1206         (sse2_<plusminus_insn><mode>3): New expander.  Use
1207         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1208         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
1209         (sse2_umulv2siv2di3): New expander.  Use
1210         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1211         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
1212         (sse4_1_mulv2siv2di3): New expander.  Use
1213         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1214         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
1215         (sse2_pmaddwd): New expander.  Use
1216         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1217         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
1218         (sse2_eq<mode>3): New expander.  Use
1219         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1220         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
1221         (sse4_1_eqv2di3): New expander.  Use
1222         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1223         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1224         (sse2_uavgv16qi3): New expander.  Use
1225         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1226         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
1227         (sse2_uavgv16qi3): New expander.  Use
1228         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1229         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
1230         (sse2_uavgv8hi3): New expander.  Use
1231         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1232         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
1233         (ssse3_pmulhrswv8hi3): New expander.  Use
1234         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1235         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
1236         (ssse3_pmulhrswv4hi3): New expander.  Use
1237         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1238
1239         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
1240         (<sse>_vmmul<mode>3): Ditto.
1241         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
1242         (divv2df3): Ditto.
1243         (ssse3_pmaddubsw128): Use register_operand for operand 1.
1244         (ssse3_pmaddubsw): Ditto.
1245
1246         * config/i386/i386.c (struct_builtin_description)
1247         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
1248         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
1249         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
1250         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
1251         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
1252         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
1253         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
1254         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
1255         (ix86_fixup_binary_operands): Assert that src1
1256         and src2 must have the same mode when swapped.
1257         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
1258         and ix86_binary_operator_ok.  Do not force operands in registers
1259         when optimizing.
1260
1261 2008-05-07  Jan Hubicka  <jh@suse.cz>
1262
1263         * cgraph.c (dump_cgraph_node): Update.
1264         * cgraph.h (cgraph_local_info): Break out inline summary.
1265         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
1266         hook.
1267         * ipa-inline (inline_summary): New accestor function.
1268         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
1269         cgraph_decide_inlining, compute_inline_parameters): Update.
1270         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
1271
1272 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
1273
1274         Cleanup ColdFire scheduling support and add V4 pipeline model.
1275
1276         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
1277         (define_attr cpu): Add cfv4 value.
1278         (define_attr type, define_attr type1): Merge into a single 'type'
1279         attribute.  Update all uses.
1280         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
1281         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
1282         Update all uses.
1283         (define_attr opx_mem, define_attr opy_mem): Remove.
1284         (define_attr op_mem): Clean up, update comment.
1285         (define_attr size): Use specific values instead of general int.
1286         (define_attr guess, define_attr split): Remove.  Update all uses.
1287         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
1288         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
1289         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
1290         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
1291         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
1292         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
1293         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
1294         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
1295         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
1296         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
1297         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
1298         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
1299         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
1300         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
1301         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
1302         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
1303         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
1304         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
1305         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
1306         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
1307         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
1308         Update or set attributes.
1309         (stack_tie): New fake instruction.
1310
1311         * config/m68k/m68k.h (TUNE_CFV4): New macro.
1312         (m68k_sched_attr_size): Update declaration.
1313         (m68k_sched_attr_type2): Remove.
1314         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
1315         Declare new bypass predicates.
1316
1317         * config/m68k/m68k.c (m68k_sched_issue_rate,
1318         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
1319         implementations.
1320         (TARGET_SCHED_ISSUE_RATE,
1321         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
1322         (override_options): Handle scheduling for ColdFire V4 core.
1323         (m68k_expand_prologue): Emit stack_tie.
1324         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
1325         'OP_TYPE_FPN'.  Update all uses.
1326         (sched_guess_p): Remove.
1327         (sched_address_type): Handle symbolic addresses.
1328         (sched_get_operand): New static function.
1329         (sched_operand_type): Merge into sched_attr_op_type.
1330         (sched_attr_op_type): Handle FP registers, handle quick constants,
1331         update.
1332         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
1333         (m68k_sched_attr_size): Update.  Move logic to ...
1334         (sched_get_attr_size_int): New static function.
1335         (sched_get_opxy_mem_type): New static function.
1336         (m68k_sched_attr_op_mem): Update.
1337         (m68k_sched_attr_type2): Remove.
1338         (sched_cfv4_bypass_data): New static variable.
1339         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
1340         (m68k_sched_issue_rate): Implement scheduler hook.
1341         (struct _sched_ib: enabled_p): New field.
1342         (m68k_sched_variable_issue): Update.  Handle V4.
1343         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
1344         sched_dump_class_func_t, sched_dump_split_class,
1345         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
1346         sched_dump_dfa_class, m68k_sched_dump): Remove.
1347         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
1348         hook.
1349         (m68k_sched_init_global): Remove statisctics dumping, introduce
1350         sanity check that all instructions have pipeline reservations.  Handle
1351         ColdFire V4 core.
1352         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1353         Handle ColdFire V4 core.
1354         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
1355         New static functions.
1356         (m68k_sched_address_bypass_p): New bypass predicate.
1357         (sched_get_indexed_address_scale): New static function.
1358         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
1359
1360         * cf.md: Update comments.
1361         (define_attr type2): Remove.  Use 'type' attribute instead.
1362         Update all uses.
1363         (cf_ib): Rename to cfv123_ib.  Update all uses.
1364         (cf_oep): Rename to cfv123_oep.  Update all uses.
1365         (cf_chr): Rename to cfv123_chr.  Update all uses.
1366         (cf_mem): Rename to cfv123_mem.  Update all uses.
1367         (cf_mac): Move to more appropriate place.
1368         (cfv123_guess): New automaton and cpu_unit.
1369         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
1370         Update uses of 'size' attribute.  Handle before reload scheduling.
1371         (cfv123_guess): New dummy reservation for unhandled instructions.
1372         (cfv4_*): Pipeline description of ColdFire V4 core.
1373         (ignore): New reservation to handle 'ignore' type.
1374
1375 2008-05-07  Ian Lance Taylor  <iant@google.com>
1376
1377         PR middle-end/36013
1378         * gimplify.c (find_single_pointer_decl_1): Don't look through
1379         indirections.
1380         (find_single_pointer_decl): Adjust comments.
1381
1382 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
1383
1384         PR middle-end/36137
1385         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
1386         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
1387
1388         PR middle-end/36106
1389         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
1390         integral type rather than floating point, then VIEW_CONVERT_EXPR
1391         to the floating point type.
1392
1393 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
1394
1395         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
1396         TFmode op0 to register.
1397
1398 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
1399
1400         * c-decl.c (grokdeclarator): Comment typo.
1401
1402 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
1403
1404         * tree-flow.h: Remove prototype for computed_goto_p.
1405         * tree-cfg.c (computed_goto_p): Make static.
1406
1407 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
1408
1409         PR target/35657
1410         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
1411         (contains_aligned_value_p): This.  Handle _Decimal128.
1412         (ix86_function_arg_boundary): Only align _Decimal128 to its
1413         natural boundary and handle it properly.
1414
1415 2008-05-06  Martin Jambor  <mjambor@suse.cz>
1416
1417         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
1418         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
1419         (ipcp_method_set_orig_node): Removed.
1420         (ipcp_cval_get_cvalue_type): Removed.
1421         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
1422         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
1423         (ipcp_cval_set_cvalue_type): Removed.
1424         (ipcp_cval_get_cvalue): Removed.
1425         (ipcp_cval_set_cvalue): Removed.
1426         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
1427         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
1428         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
1429         (ipcp_cval_meet): Renamed to ipa_lattice_meet
1430         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
1431         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
1432         (ipcp_get_ith_lattice): Changed parameters.
1433         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
1434         (ipcp_lattice_from_jfunc): Changed parameters.
1435         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
1436         (ipcp_method_cval_print): Added temporary variable info.
1437         (ipcp_redirect): Removed already unused local variable caller.
1438         (ipcp_redirect): New temporary variable orig_callee_info
1439         (ipcp_redirect): Removed newly unused local variable callee.
1440         (ipcp_redirect): Removed (a bit confusing) local variable type.
1441         (ipcp_insert_stage): Added local variable info.
1442         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters 
1443         renamed too
1444         (ipcp_formal_create): Removed.
1445         (ipcp_method_cval_set): Removed.
1446         (ipcp_propagate_stage): Renamed lattice variables.
1447         (ipcp_method_cval_set_cvalue_type): Removed.
1448         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
1449         (ipcp_print_all_lattices): Changed printed strings to refer to 
1450         lattices rather than cvals.
1451         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
1452         (ipcp_propagate_const): Changed formal parameters.
1453         (build_const_val): Changed formal parameters.
1454         (ipcp_insert_stage): Removed useless variable cvalue
1455         (build_const_val): Changed formal parameters.
1456         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
1457         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
1458         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
1459         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
1460         (ipcp_print_func_profile_counts): Changed string from "method" to 
1461         "function"
1462         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
1463         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
1464         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
1465         (ipcp_structures_print): Renamed to ipcp_print_all_structures
1466         (ipcp_profile_print): Renamed to ipcp_print_profile_data
1467         (ipcp_lat_is_const): Changed parameters and made inline.
1468         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
1469         (ipcp_redirect): Renamed to ipcp_need_redirect_p
1470         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using 
1471         the predicate condition directly
1472         (ipcp_propagate_stage): Added local variable args. Removed local
1473         variable callee.  (Both are mere code simplifications.)
1474         (ipcp_method_dont_insert_const): Renamed to
1475         ipcp_node_not_modifiable_p.
1476         (ipcp_node_not_modifiable_p): Made inline.
1477         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
1478         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
1479         (ipcp_print_all_lattices): Removed variable cvalue
1480         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
1481         Updated comments.
1482
1483 2008-05-06  Olivier Hainque  <hainque@adacore.com>
1484
1485         * tree-sra.c (try_instantiate_multiple_fields): Early return
1486         if field has POINTER_TYPE.
1487
1488 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
1489
1490         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
1491         by using 'q' specifier for instruction.
1492         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
1493
1494 2008-05-06  Anatoly Sokolov <aesok@post.ru>
1495
1496         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
1497         Change mode of zero_extract from QImode to HImode.
1498         (sign bit tests peepholes): (Ditto.).
1499
1500 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
1501
1502         * config/i386/mmx.md: Remove double backslashes from asm templates.
1503         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
1504         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1505         to handle nonimmediate operands.
1506         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
1507         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
1508         to handle nonimmediate operands.
1509         (*mmx_<code>v2sf3_finite): New insn pattern.
1510         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
1511         (mmx_<code>v2sf3): New expander.  Use
1512         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1513         (mmx_<plusminus_insn><mode>3): New expander.  Use
1514         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1515         (*mmx_<plusminus_insn><mode>3): New insn pattern.
1516         (mmx_add<mode>3): Removed.
1517         (mmx_ssadd<mode>3): Ditto.
1518         (mmx_usadd<mode>3): Ditto.
1519         (mmx_sub<mode>3): Ditto.
1520         (mmx_sssub<mode>3): Ditto.
1521         (mmx_ussub<mode>3): Ditto.
1522         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
1523         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
1524         to handle nonimmediate operands.
1525         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
1526         insn pattern.
1527         (mmx_smulv4hi3_highpart): New expander.  Use
1528         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1529         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
1530         insn pattern.
1531         (mmx_umulv4hi3_highpart): New expander.  Use
1532         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1533         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
1534         (mmx_<code>v4hi3): New expander.  Use
1535         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1536         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
1537         (mmx_<code>v8qi3): New expander.  Use
1538         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1539         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
1540         (mmx_<code><mode>3): New expander.  Use
1541         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
1542
1543 2008-05-05  Jan Hubicka  <jh@suse.cz>
1544
1545         PR tree-optimization/36118
1546         * passes.c (pass_init_dump_file): Fix dump header.
1547
1548 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1549
1550         PR middle-end/36141
1551         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
1552         VCE for function decls.
1553
1554 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1555
1556         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
1557
1558 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
1559
1560         * config/i386/i386.md (sat_plusminus): New.
1561         (plusminus_insn): Likewise.
1562         (plusminus_mnemonic): Likewise.
1563         (addsub): Removed.
1564         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
1565         (*<addsub><mode>3_cc_overflow): Renamed to ...
1566         (*<plusminus_insn><mode>3_cc_overflow): This.
1567         (*<addsub>si3_zext_cc_overflow): Renamed to ...
1568         (*<plusminus_insn>si3_zext_cc_overflow): This.
1569
1570         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
1571         (<plusminus_insn><mode>3): This.
1572         (*<addsub><mode>3): Renamed to ...
1573         (*<plusminus_insn><mode>3): This.
1574         (<sse>_vm<addsub><mode>3): Renamed to ...
1575         (<sse>_vm<plusminus_insn><mode>3): This.
1576         (sse3_h<addsub>v4sf3): Renamed to ...
1577         (sse3_h<plusminus_insn>v4sf3): This.
1578         (sse3_h<addsub>v2df3): Renamed to ...
1579         (sse3_h<plusminus_insn>v2df3): This.
1580         (<plusminus_insn><mode>3): New.
1581         (*<plusminus_insn><mode>3): Likewise.
1582         (sse2_<plusminus_insn><mode>3): Likewise.
1583         (add<mode>): Removed.
1584         (*add<mode>3): Likewise.
1585         (sse2_ssadd<mode>3): Likewise.
1586         (sse2_usadd<mode>3): Likewise.
1587         (sub<mode>3): Likewise.
1588         (*sub<mode>3): Likewise.
1589         (sse2_sssub<mode>3): Likewise.
1590         (sse2_ussub<mode>3): Likewise.
1591
1592 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
1593
1594         * gthr-single.h: Add in required interface elements as per gthr.h.
1595         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
1596         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
1597         Generalize UNUSED macro. 
1598         (__gthread_once): Add.
1599         (__gthread_key_create): Add.
1600         (__gthread_key_delete): Add.
1601         (__gthread_getspecific): Add.
1602         (__gthread_setspecific): Add.
1603         
1604 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
1605
1606         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
1607         the same size types for the indirect reference on the rhs, then
1608         create a VCE.
1609
1610 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
1611
1612         * config/i386/i386.md
1613         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
1614         one insn template instead of template series.
1615         (*xordi_1_rex64): Ditto.
1616         (*xordi_2_rex64): Ditto.
1617
1618 2008-05-05  Ira Rosen  <irar@il.ibm.com>
1619
1620         PR tree-optimization/36119
1621         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
1622         in case of SLP.
1623
1624 2008-06-04  Jan Hubicka  <jh@suse.cz>
1625
1626         tree-optimization/36100
1627         * tree-pass.h (pass_O0_always_inline): Declare.
1628         * ipa-inline.c (inline_transform): Remove dead code.
1629         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
1630         pass_O0_always_inline): New.
1631         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
1632
1633 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
1634
1635         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
1636         mnemonic in this_param move for TARGET_64BIT.
1637
1638 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
1639
1640         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
1641         (*strmovsi_rex_1): Ditto.
1642         (*strsetsi_1): Ditto.
1643         (*strsetsi_rex_1): Ditto.
1644
1645         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
1646         adddicc expanders using SWI mode iterator.
1647
1648 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
1649
1650         PR target/36121
1651         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
1652         argument handling.
1653
1654 2008-05-04  David S. Miller  <davem@davemloft.net>
1655
1656         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
1657         (sparc*-*-linux*): Use linux.h in tm_file.
1658         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
1659         compiler defaulting to 32-bit.
1660         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
1661         no longer needed.
1662         * config/sparc/linux.h: Remove definitions now obtained
1663         properly from linux.h
1664         * config/sparc/linux64.h: Likewise.
1665         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
1666         don't want this setting for 32-bit builds in a biarch compiler.
1667         * doc/install.texi: Add sparc-linux to list of targets
1668         supporting --enable-targets=all.
1669
1670 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
1671
1672         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
1673
1674 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
1675
1676         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
1677         after V4SI_FTYPE_V8HI.
1678         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
1679         case V4SI_FTYPE_V2DF.
1680
1681 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
1682
1683         * doc/invoke.texi (max-flow-memory-locations): Removed.
1684         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
1685         
1686 2008-05-03  Richard Guenther  <rguenther@suse.de>
1687
1688         PR middle-end/34973
1689         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
1690
1691 2008-05-02  David S. Miller  <davem@davemloft.net>
1692
1693         * config.gcc (need_64bit_hwint): Document libcpp dependency.
1694
1695 2008-05-02  Simon Baldwin <simonb@google.com>
1696
1697         PR bootstrap/36108
1698         * c-common.h (warn_array_subscript_range): Removed.
1699         * c-common.c (warn_array_subscript_range): Ditto.
1700         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
1701         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
1702
1703 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1704
1705         * config/i386/i386.c (ix86_special_builtin_type): New.
1706         (bdesc_special_args): Likewise.
1707         (ix86_expand_special_args_builtin): Likewise.
1708         (ix86_init_mmx_sse_builtins): Updated.
1709         (ix86_expand_builtin): Updated.
1710         (ix86_expand_store_builtin): Removed.
1711         (ix86_expand_unop_builtin): Likewise.
1712
1713         * config/i386/mm3dnow.h (__v2sf): Moved to ...
1714         * config/i386/mmintrin.h (__v2sf): Here.
1715
1716         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
1717         const __v2sf.
1718         (_mm_loadl_pi): Likewise.
1719         (_mm_storeh_pi): Replace __v2si with __v2sf.
1720         (_mm_storel_pi): Likewise.
1721
1722         * doc/extend.texi: Correct __builtin_ia32_loadhps,
1723         __builtin_ia32_loadlps, __builtin_ia32_storehps,
1724         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
1725         __builtin_ia32_loadlpd.
1726
1727 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
1728
1729         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
1730         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
1731         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
1732         (ix86_init_mmx_sse_builtins): Updated.
1733         (ix86_expand_args_builtin): Likewise.
1734         (ix86_expand_builtin): Likewise.
1735         (ix86_expand_unop1_builtin): Renamed to ...
1736         (ix86_expand_unop_vec_merge_builtin): This.
1737
1738 2008-05-01  Jan Hubicka  <jh@suse.cz>
1739
1740         PR bootstrap/36100
1741         * ipa-inline.c (inline_generate_summary): Make static.
1742         (inline_transform): Do not call inlining at -O0; make static.
1743         * passes.c (execute_todo): Add sanity check.
1744         (execute_one_ipa_transform_pass): Execute proper flags.
1745
1746 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
1747
1748         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
1749         (DECL_NONADDRESSABLE_P): Likewise.
1750         * alias.c (record_component_aliases): Fix comment.
1751
1752 2008-05-01  Simon Baldwin <simonb@google.com>
1753
1754         * c-common.h (warn_array_subscript_range): New function.
1755         * c-common.c (warn_array_subscript_range): Ditto.
1756         * tree-vrp.c (check_array_ref): Corrected code to agree with
1757         comment, ignoring only arrays of size 0 or size 1.
1758         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
1759
1760 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1761
1762         * config/i386/i386.c (ix86_builtin_type): Replace
1763         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
1764         (bdesc_args): Updated.
1765         (ix86_init_mmx_sse_builtins): Likewise.
1766         (ix86_expand_args_builtin): Likewise.
1767
1768         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
1769         with __v1di.
1770
1771         * doc/extend.texi: Correct __builtin_ia32_palignr.
1772
1773 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1774
1775         PR target/36095
1776         * config/i386/i386.c (bdesc_crc32): Removed.
1777         (ix86_expand_crc32): Likewise.
1778         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
1779         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
1780         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
1781         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
1782         UINT_FTYPE_UINT_UCHAR.
1783         (bdesc_args): Updated. Add crc32 builtins.
1784         (ix86_init_mmx_sse_builtins): Updated.
1785         (ix86_expand_args_builtin): Updated to support subreg.
1786
1787         * doc/extend.texi: Correct __builtin_ia32_crc32di.
1788
1789 2008-05-01  Jan Hubicka  <jh@suse.cz>
1790
1791         * tree-pass.h (opt_pass): Add IPA_PASS.
1792         (varpool_node, cgraph_node): Forward declare.
1793         (ipa_opt_pass): Define.
1794         (pass_ipa_inline): Turn into ipa_opt_pass.
1795         (pass_apply_inline): Remove.
1796         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
1797         (apply_inline): Turn into ....
1798         (inline_transform): ... this one.
1799         (inline_generate_summary): New function.
1800         (pass_apply_inline): Remove.
1801         * function.h (ipa_opt_pass): Forward declare structure; typedef;
1802         vector.
1803         (struct function): Add ipa_transforms_to_apply.
1804         * passes.c (register_one_dump_file): Work on IPA_PASS.
1805         (init_optimization_passes): Remove pass_inline_parameters and
1806         pass_apply_inline.
1807         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
1808         (execute_one_pass) ... here; apply transforms when possible.
1809         (add_ipa_transform_pass, execute_ipa_summary_asses,
1810         execute_one_ipa_transform_pass): New.
1811         (execute_ipa_pass_list): Update for IPA_PASS type.
1812
1813 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1814
1815         * config/i386/i386.c (ix86_builtin_type): Add
1816         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
1817         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
1818         (bdesc_args): Add SSE4a builtins.
1819         (ix86_init_mmx_sse_builtins): Updated.
1820         (ix86_expand_args_builtin): Likewise.
1821         (ix86_expand_builtin): Likewise.
1822
1823 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
1824
1825         * config/i386/i386.c (ix86_builtin_type): Add
1826         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
1827         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
1828         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
1829         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
1830         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
1831         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
1832         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
1833         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
1834         and DI_FTYPE_DI_DI_INT.
1835         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
1836         (ix86_init_mmx_sse_builtins): Updated.
1837         (ix86_expand_args_builtin): Likewise.
1838         (ix86_expand_builtin): Likewise.
1839         (ix86_expand_binop_imm_builtin): Removed.
1840
1841         * doc/extend.texi: Correct __builtin_ia32_palignr128.
1842
1843 2008-04-30  Richard Guenther  <rguenther@suse.de>
1844
1845         PR tree-optimization/32921
1846         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
1847
1848 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
1849
1850         * config/arm/arm.c (arm_unwind_emit): Use
1851         crtl->all_throwers_are_sibcalls instead of
1852         cfun->all_throwers_are_sibcalls.
1853         (arm_output_fn_unwind): Likewise.
1854         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
1855         instead of cfun->uses_pic_offset_table.
1856         (frv_expand_prologue): Likewise.
1857         (frv_frame_pointer_required): Likewise.
1858         (frv_expand_fdpic_call): Likewise.
1859         (frv_emit_movsi): Likewise.
1860         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
1861         cfun->returns_pcc_struct instead of
1862         current_function_returns_pcc_struct.
1863         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
1864         instead of cfun->calls_eh_return.
1865         (m32c_pushm_popm): Likewise.
1866         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
1867         "extern" declaration.
1868
1869 2008-04-30  Richard Guenther  <rguenther@suse.de>
1870
1871         PR tree-optimization/21636
1872         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
1873         constant address.
1874         (evaluate_stmt): Print the likely value.
1875         (ccp_visit_stmt): Avoid excessive vertical spacing.
1876
1877 2008-04-30  Rafael Espindola  <espindola@google.com>
1878
1879         * builtins.c (fold_call_expr): Return realret.
1880         * tree-ssa-threadedge.c
1881         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
1882         __builtin_object_size.
1883
1884 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
1885
1886         * gcc.c (wrapper_string): New variable.
1887         (insert_wrapper): New function.
1888         (execute): New option -wrapper.
1889         * doc/invoke.texi (Overall Options): New driver option -wrapper.
1890
1891 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
1892
1893         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
1894         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
1895         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
1896         from...
1897         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
1898         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
1899         config/rs6000/e500crtres64gprctr.asm,
1900         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
1901         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
1902         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
1903         config/rs6000/e500crtsav64gprctr.asm,
1904         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
1905         config/rs6000/e500crtsavg64gprctr.asm: New files.
1906         * config/rs6000/t-ppccomm: Add build rules for new files.
1907         (LIB2FUNCS_STATIC_EXTRA): Add new files.
1908         * config/rs6000/t-netbsd: Add build rules for new files.
1909         (LIB2FUNCS_STATIC_EXTRA): New variable.
1910         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
1911         (CRTSAVRES_DEFAULT_SPEC): Likewise.
1912         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
1913
1914 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
1915
1916         * config/i386/i386.c (ix86_builtin_type): Add
1917         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
1918         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
1919         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
1920         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
1921         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
1922         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
1923         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
1924         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
1925         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
1926         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
1927         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
1928         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
1929         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
1930         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
1931         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
1932         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
1933         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
1934         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
1935         V1DI_FTYPE_V2SI_V2SI.
1936         (bdesc_2arg): Moved to ...
1937         (bdesc_args): Here.
1938         (ix86_init_mmx_sse_builtins): Updated.
1939         (ix86_expand_args_builtin): Updated.  Take a pointer
1940         to const struct builtin_description.  Handle comparison
1941         builtin functions.
1942         (ix86_expand_sse_compare): Take a new argument for swapping operands.
1943         (ix86_expand_builtin): Updated.
1944
1945         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
1946         (ssse3_pmaddubsw128): This.
1947         (ssse3_pmaddubswv4hi3): Renamed to ...
1948         (ssse3_pmaddubsw): This.
1949
1950         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
1951         (__builtin_ia32_packssdw128): Likewise.
1952         (__builtin_ia32_packuswb128): Likewise.
1953         (__builtin_ia32_pmaddubsw): Likewise.
1954         (__builtin_ia32_pmaddubsw128): Likewise.
1955
1956 2008-04-30  Richard Guenther  <rguenther@suse.de>
1957
1958         PR tree-optimization/14847
1959         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
1960         (recognize_bits_test): Use it.
1961         (recognize_single_bit_test): Likewise.
1962
1963 2008-04-30  Martin Jambor  <mjambor@suse.cz>
1964
1965         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
1966         instead of setting number of formal parameters to zero.
1967         (ipcp_init_stage): Do not set the number of actual parameters to zero 
1968         either.
1969         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
1970         which are called with variable number of arguments.
1971         (ipcp_insert_stage): Explicitely skipping all nodes which are
1972         called with variable number of arguments.
1973         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible 
1974         number of parameters.
1975
1976         * ipa-prop.h (struct ipa_node_params): Added flag
1977         called_with_var_arguments
1978         (ipa_set_param_count): Added.  Changed sole setter to use it.
1979         (ipa_get_param_count): Added.  All readers of param_count
1980         converted to use it instead.
1981         (ipa_set_called_with_variable_arg): Added.
1982         (ipa_is_called_with_var_arguments): Added.
1983         (ipa_get_ith_param): Added.  All readers of param_decls converted
1984         to use it instead.
1985         (ipa_set_cs_argument_count): Added, sole writer to argument_count 
1986         changed to use it. 
1987         (ipa_get_cs_argument_count): Added, all readers of argument_count
1988         changed to cal it.
1989         (ipa_get_ith_jump_func): Added. Accessors of jump values changed 
1990         to use it.
1991         
1992         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
1993         (struct ipcp_lattice): Renamed cval_type to type
1994         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
1995
1996         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
1997         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
1998         (ipcp_insert_stage): Changed the type of variable cvalue to tree
1999         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
2000         (build_const_val): Changed the type of parameter cvalue to tree
2001         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
2002         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
2003         
2004         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called 
2005         constant 
2006
2007         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
2008         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
2009         (ipa_add_method): Renamed to ipa_push_func_to_list
2010         (ipa_remove_method): Renamed to ipa_pop_func_from_list
2011         (ipa_callsite_param_count): Removed.
2012         (ipa_callsite_param_count_set): Removed.
2013         (ipa_callsite_param): Removed.
2014         (ipa_callsite_callee): Removed.
2015         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
2016         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
2017         (ipa_method_formal_count): Removed.
2018         (ipa_method_formal_count_set): Removed.
2019         (ipa_method_get_tree): Removed.
2020         (ipa_method_tree_map_create): Removed.
2021         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
2022         (ipa_create_param_decls_array): Creates the array itself
2023         (ipa_create_param_decls_array): Temporary variable info instead of 
2024         a few dereferences.
2025         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
2026         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
2027         (get_type): Removed.
2028         (ipa_jf_get_info_type): Removed.
2029         (ipa_node_create): Renamed to ipa_create_node_params
2030         (ipa_free): Renamed to ipa_free_all_node_params
2031         (ipa_nodes_create): Renamed to ipa_create_all_node_params
2032         (ipa_edges_create): Renamed to ipa_create_all_edge_args
2033         (ipa_edges_free): Renamed to ipa_free_all_edge_args
2034         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
2035         (ipa_free_all_node_params): Deallocation to jump_functions moved to 
2036         ipa_free_all_edge_args
2037         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
2038         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
2039         (ipa_create_methodlist_node): Removed.
2040         (ipa_methodlist_method): Removed.
2041         (ipa_methodlist_method_set): Removed.
2042         (ipa_methodlist_next_method): Removed.
2043         (ipa_methodlist_next_method_set): Removed.
2044         (ipa_method_is_modified): Removed.
2045         (ipa_method_modify_create): Removed.
2046         (ipa_method_modify_init): Temporary variable info instead of a few 
2047         dereferences.
2048         (ipa_detect_param_modifications): Temporary variable info instead of 
2049         a few dereferences.
2050         (ipa_compute_jump_functions): Temporary variable info instead of 
2051         a few dereferences.
2052         (ipa_method_modify_set): Removed.
2053         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
2054         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather 
2055         than craph_node as the first parameter.
2056         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
2057         (ipa_method_modify_init): Removed.
2058         (ipa_compute_jump_functions): Added a temp variable instead of 
2059         repeatadly dereferencing the cgraph_edge.aux pointer
2060         (ipa_callsite_param_set_type): Removed.
2061         (ipa_compute_jump_functions): i renamed to index and moved to 
2062         an inner block
2063         (ipa_callsite_param_set_info_type_formal): Removed.
2064         (ipa_callsite_param_set_info_type): Removed.
2065         (ipa_callsite_param_map_create): Removed.
2066         (ipa_callsite_tree): Removed.
2067         (ipa_callsite_caller): Removed.
2068         (ipa_pop_func_from_list): return_method removed to return_func
2069
2070         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
2071         prefixed all values with IPA_. Changed all users.
2072         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN, 
2073         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF 
2074         and FORMAL_IPATYPE IPA_PASS_THROUGH. 
2075         (union parameter_info): Renamed to jump_func_value.
2076         (union jump_func_value): Renamed value to constant
2077         (struct ipa_jump_func): Renamed info_type to value
2078         (struct ipa_node): Renamed to ipa_node_params
2079         (struct ipa_node_params): Renamed ipa_arg_num to param_count
2080         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
2081         (struct ipa_node_params): Renamed ipa_mod to modified_flags
2082         (struct ipa_edge): Renamed to ipa_edge_args
2083         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
2084         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
2085         (struct ipa_methodlist): Renamed to ipa_func_list
2086         (struct ipa_func_list): method_p renamed to node, next_method
2087         renamed to next
2088         (ipa_methodlist_p): Removed, switched all users to struct pointer
2089         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
2090
2091 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
2092
2093         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
2094         (rs6000_emit_epilogue): Use backchain to restore only when we
2095         have a large frame.  Make use of frame pointer to restore if we
2096         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
2097
2098 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
2099
2100         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
2101         Add mode to zero_extract.
2102         (sign bit tests peepholes): (Ditto.).
2103
2104 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
2105
2106         * config/i386/i386.c (ix86_builtins): Replace Prescott New
2107         Instructions in comments with SSE3.
2108         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
2109         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
2110         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
2111         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
2112         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
2113         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
2114         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
2115         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
2116         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
2117         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
2118         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
2119         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
2120         (bdesc_sse_args): Renamed to ...
2121         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
2122         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
2123         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
2124         IX86_BUILTIN_FABSQ.
2125         (bdesc_1arg): Moved to ...
2126         (bdesc_args): Here.
2127         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
2128         Instructions in comments with SSE3.
2129         (ix86_expand_sse_operands_builtin): Renamed to ...
2130         (ix86_expand_args_builtin): This.  Updated.
2131         (ix86_expand_unop1_builtin): Update comments.
2132         (ix86_expand_builtin): Updated.
2133
2134 2008-04-29  Richard Guenther  <rguenther@suse.de>
2135
2136         PR tree-optimization/36078
2137         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
2138         Update virtual SSA form after cleaning up the CFG.
2139
2140 2008-04-29  Richard Guenther  <rguenther@suse.de>
2141
2142         PR middle-end/15255
2143         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
2144
2145 2008-04-29  Richard Guenther  <rguenther@suse.de>
2146
2147         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
2148         (compute_may_aliases): Do not call finalize_ref_all_pointers.
2149         (compute_flow_insensitive_aliasing): Do not treat
2150         PTR_IS_REF_ALL pointers special.
2151         (get_smt_for): Likewise.
2152         (may_alias_p): Re-structure.
2153         (is_escape_site): A ref-all pointer conversion is not an escape site.
2154         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
2155         PTR_IS_REF_ALL pointers special.
2156         * tree-ssa-structalias.h (struct alias_info): Remove
2157         ref_all_symbol_mem_tag field.
2158         (PTR_IS_REF_ALL): Remove.
2159
2160 2008-04-29  Richard Guenther  <rguenther@suse.de>
2161
2162         PR middle-end/36077
2163         * fold-const.c (extract_muldiv_1): In combining division constants
2164         make sure to never overflow.
2165
2166 2008-04-29  Nick Clifton  <nickc@redhat.com>
2167
2168         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
2169
2170 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2171
2172         PR bootstrap/35169
2173         * optc-gen.awk: Work around HP-UX/IA awk bug.
2174
2175 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
2176
2177         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
2178         2008-04-25 commit.
2179
2180 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2181
2182         PR target/36073
2183         * config/i386/i386.md
2184         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
2185         Change operand 1 predicate to nonimmediate_operand.
2186
2187 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
2188
2189         PR debug/36060
2190         * dwarf2out.c (struct die_struct): Mark as chain_circular through
2191         die_sub field.
2192         * gengtype.c (walk_type, write_func_for_structure): Handle
2193         chain_circular.
2194         * doc/gty.texi: Document chain_circular.
2195
2196 2008-04-28  Richard Guenther  <rguenther@suse.de>
2197
2198         PR tree-optimization/36066
2199         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
2200         SCEV and loop.
2201
2202 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
2203
2204         PR target/36064
2205         * config/i386/i386.md
2206         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
2207         Use match_scratch instead of match_operand for operands 3 and 4.
2208
2209 2008-04-27  Richard Guenther  <rguenther@suse.de>
2210
2211         PR tree-optimization/18754
2212         PR tree-optimization/34223
2213         * tree-pass.h (pass_complete_unrolli): Declare.
2214         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
2215         loop size before and after unconditionally of UL_NO_GROWTH in effect.
2216         Rewrite loop into loop closed SSA form if it is not already.
2217         (tree_unroll_loops_completely): Re-structure to iterate over
2218         innermost loops with intermediate CFG cleanups.
2219         Unroll outermost loops only if requested or the code does not grow
2220         doing so.
2221         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
2222         loops are available.
2223         (tree_vectorize): Instead do so here.
2224         (tree_complete_unroll): Also unroll outermost loops.
2225         (tree_complete_unroll_inner): New function.
2226         (gate_tree_complete_unroll_inner): Likewise.
2227         (pass_complete_unrolli): New pass.
2228         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
2229         uses outside of the loop.
2230         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
2231         form if it is available.  
2232         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
2233         * passes.c (init_optimization_passes): Schedule complete inner
2234         loop unrolling pass before the first CCP pass after final inlining.
2235
2236 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2237
2238         * targhooks.h (default_emutls_var_fields,
2239         default_emutls_var_init): Declare.
2240         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
2241         * target.h (struct gcc_target): Add struct emutls member.
2242         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
2243         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
2244         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
2245         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
2246         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
2247         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
2248         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
2249         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
2250         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
2251         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
2252         emit debug information.
2253         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
2254         * varasm.c: Include targhooks.h.
2255         (emutls_object_section, emutls_tmpl_section): New.
2256         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
2257         (EMUTLS_SEPARATOR): New.
2258         (prefix_name): New.
2259         (get_emutls_object_name): New.
2260         (default_emutls_var_fields): New, broken out of ...
2261         (get_emutls_object_type): ... here.  Adjust to use target hooks.
2262         (get_emutls_init_templ_addr): Adjust to use target hooks.
2263         (emutls_decl): Adjust to use target hooks.
2264         (emutls_finish): Likewise.
2265         (default_emutls_var_init): New, broken out of ...
2266         (assemble_variable): ... here.  Adjust to use target hooks.
2267         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
2268         SECCAT_EMUTLS_TMPL.
2269         * c-common.c (handle_section_attribute): Prevent overriding
2270         sections for emulated tls with special sections.
2271         * config/i386/i386.c (x86_64_elf_select_section): Add
2272         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
2273         (x86_64_elf_unique_section): Likewise.
2274         * config/vxworks.c: Include tree.h.
2275         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
2276         (vxworks_override_options): Set TLS scheme.
2277         * doc/tm.texi (Emulated TLS): New node.
2278
2279 2008-04-26  Simon Baldwin <simonb@google.com>
2280
2281         PR c/35652
2282         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
2283         with propagated string constants.
2284
2285 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
2286
2287         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
2288         constraint for operand 2 when operand 0 is memory operand.
2289         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
2290         operand 0 is memory operand.
2291         (fix_trunc<mode>_i387_with_temp): Ditto.
2292         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
2293         operand 2 when operand 1 is memory operand.
2294         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
2295         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
2296         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
2297         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
2298         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
2299         operands 2,3 and 4 when operand 1 is memory operand.
2300         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
2301         is memory operand.
2302         (fistdi2_floor_with_temp): Ditto.
2303         (fist<mode>2_floor_with_temp): Ditto.
2304         (fistdi2_ceil_with_temp): Ditto.
2305         (fist<mode>2_ceil_with_temp): Ditto.
2306         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
2307
2308 2008-04-26  David Daney  <ddaney@avtrex.com>
2309
2310         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
2311         unspec_volitile.
2312         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
2313         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
2314         UNSPEC_UPDATE_GOT_VERSION): Renumber.
2315         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
2316         (compare_and_swap_12): New insn.
2317         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
2318         * config/mips/mips.c (mips_force_binary): New function.
2319         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
2320         (mips_expand_compare_and_swap_12): New function.
2321         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
2322
2323 2008-04-25  Jan Hubicka  <jh@suse.cz>
2324
2325         PR testsuite/35843
2326         * cfgexpand.c (pass_expand): Turn into RTL pass.
2327         * passes.c (execute_one_pass): Do pass typechecking after execution.
2328         * tree-pass.h (pass_expand): Turn into RTL pass.
2329
2330         * function.h (struct rtl_data): Move here fields
2331         accesses_prior_frames, calls_eh_return, saves_all_registers,
2332         has_nonlocal_goto, has_asm_statement, is_thunk,
2333         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
2334         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
2335         arg_pointer_save_area_init from struct function; turn into bool.
2336         (struct function): Move
2337         calls_eh_return, saves_all_registers, has_nonlocal_goto,
2338         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
2339         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
2340         tail_call_emit, arg_pointer_save_area_init
2341         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
2342         (current_function_returns_struct, current_function_returns_pcc_struct,
2343         current_function_calls_setjmp, current_function_calls_alloca,
2344         current_function_accesses_prior_frames,
2345         current_function_calls_eh_return, current_function_is_thunk,
2346         current_function_stdarg, current_function_profile,
2347         current_function_limit_stack, current_function_uses_pic_offset_table,
2348         current_function_uses_const_pool, current_function_has_nonlocal_label,
2349         current_function_saves_all_registers,
2350         current_function_has_nonlocal_goto,
2351         current_function_has_asm_statement): Remove accesor macros.
2352         * ra-conflict.c (global_conflicts): Update.
2353         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
2354         (suitable_for_tail_call_opt_p): Update.
2355         * builtins.c (expand_builtin_return_addr): Update.
2356         (expand_builtin_setjmp_setup): Update.
2357         (expand_builtin_nonlocal_goto): Update.
2358         * final.c (final_start_function): Update.
2359         (profile_function): Update.
2360         (leaf_function_p): Update.
2361         (only_leaf_regs_used): Update.
2362         * df-scan.c (df_get_exit_block_use_set): Update.
2363         * dojump.c (clear_pending_stack_adjust): Update.
2364         * tree-stdarg.c (gate_optimize_stdarg): Update.
2365         * gimple-low.c (lower_function_body): Update.
2366         * global.c (compute_regsets): Update.
2367         (global_alloc): Update.
2368         * dwarf2out.c (dwarf2out_begin_prologue): Update.
2369         * expr.c (expand_assignment): Update.
2370         * dse.c (dse_step0): Update.
2371         (dse_step1): Update.
2372         * c-decl.c (store_parm_decls): Update.
2373         * local-alloc.c (combine_regs): Update.
2374         (find_free_reg): Update.
2375         * function.c (assign_parms_augmented_arg_list): Update.
2376         (assign_parm_find_data_types): Update.
2377         (assign_parms): Update.
2378         (allocate_struct_function): Update.
2379         (expand_function_start): Update.
2380         (expand_function_end): Update.
2381         (get_arg_pointer_save_area): Update.
2382         (thread_prologue_and_epilogue_insns): Update.
2383         (rest_of_match_asm_constraints): Update.
2384         * stor-layout.c (variable_size): Update.
2385         * gcse.c (gcse_main): Update.
2386         (bypass_jumps): Update.
2387         * gimplify.c (gimplify_function_tree): Update.
2388         * calls.c (emit_call_1): Update.
2389         (expand_call): Update.
2390         * bt-load.c (compute_defs_uses_and_gen): Update.
2391         * except.c (sjlj_assign_call_site_values): Update.
2392         (sjlj_emit_function_enter): Update.
2393         (can_throw_external): Update.
2394         (set_nothrow_function_flags): Update.
2395         (expand_builtin_unwind_init): Update.
2396         (expand_eh_return): Update.
2397         (convert_to_eh_region_ranges): Update.
2398         (output_function_exception_table): Update.
2399         * emit-rtl.c (gen_tmp_stack_mem): Update.
2400         * cfgexpand.c (expand_used_vars): Update.
2401         (tree_expand_cfg): Update.
2402         * cfgcleanup.c (rest_of_handle_jump): Update.
2403         * explow.c (allocate_dynamic_stack_space): Update.
2404         * varasm.c (assemble_start_function): Update.
2405         (force_const_mem): Update.
2406         (mark_constant_pool): Update.
2407         * tree-optimize.c (tree_rest_of_compilation): Update.
2408         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
2409         * tree-cfg.c (notice_special_calls): Update.
2410         (is_ctrl_altering_stmt): Update.
2411         (tree_can_make_abnormal_goto): Update.
2412         (tree_purge_dead_abnormal_call_edges): Update.
2413         * config/alpha/predicates.md: Update.
2414         * config/alpha/alpha.c (alpha_sa_mask): Update.
2415         (alpha_sa_size): Update.
2416         (alpha_does_function_need_gp): Update.
2417         (alpha_expand_prologue): Update.
2418         (alpha_start_function): Update.
2419         (alpha_output_function_end_prologue): Update.
2420         (alpha_expand_epilogue): Update.
2421         * config/frv/frv.c (frv_stack_info): Update.
2422         (frv_expand_epilogue): Update.
2423         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
2424         (s390_register_info): Update.
2425         (s390_frame_info): Update.
2426         (s390_init_frame_layout): Update.
2427         (s390_can_eliminate): Update.
2428         (save_gprs): Update.
2429         * config/spu/spu.c (spu_split_immediate): Update.
2430         (need_to_save_reg): Update.
2431         (spu_expand_prologue): Update.
2432         (spu_expand_epilogue): Update.
2433         * config/sparc/sparc.md: Update.
2434         * config/sparc/sparc.c (eligible_for_return_delay): Update.
2435         (sparc_tls_got): Update.
2436         (legitimize_pic_address): Update.
2437         (sparc_emit_call_insn): Update.
2438         (sparc_expand_prologue): Update.
2439         (output_return): Update.
2440         (print_operand): Update.
2441         (sparc_function_ok_for_sibcall): Update.
2442         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
2443         * config/m32r/m32r.md: Update.
2444         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
2445         (m32r_compute_frame_size): Update.
2446         (m32r_expand_prologue): Update.
2447         (m32r_expand_epilogue): Update.
2448         (m32r_legitimize_pic_address): Update.
2449         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
2450         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2451         * config/i386/i386.c (ix86_frame_pointer_required): Update.
2452         (gen_push): Update.
2453         (ix86_save_reg): Update.
2454         (ix86_compute_frame_layout): Update.
2455         (ix86_expand_prologue): Update.
2456         (ix86_expand_epilogue): Update.
2457         * config/sh/sh.c (output_stack_adjust): Update.
2458         (calc_live_regs): Update.
2459         (sh5_schedule_saves): Update.
2460         (sh_expand_prologue): Update.
2461         (sh_expand_epilogue): Update.
2462         (sh_setup_incoming_varargs): Update.
2463         (sh_allocate_initial_value): Update.
2464         (sh_get_pr_initial_val): Update.
2465         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
2466         * config/sh/sh.md (label:): Update.
2467         * config/avr/avr.c (out_movhi_mr_r): Update.
2468         * config/crx/crx.h (enum): Update.
2469         * config/xtensa/xtensa.h (along): Update.
2470         * config/stormy16/stormy16.c Update.
2471         (xstormy16_compute_stack_layout): Update.
2472         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
2473         (fr30_expand_prologue): Update.
2474         * config/cris/cris.c (cris_conditional_register_usage): Update.
2475         (cris_reg_saved_in_regsave_area): Update.
2476         (cris_initial_frame_pointer_offset): Update.
2477         (cris_simple_epilogue): Update.
2478         (cris_expand_prologue): Update.
2479         (cris_expand_epilogue): Update.
2480         (cris_expand_pic_call_address): Update.
2481         (cris_asm_output_symbol_ref): Update.
2482         (cris_asm_output_label_ref): Update.
2483         * config/cris/cris.md Update.
2484         * config/iq2000/iq2000.c (compute_frame_size): Update.
2485         (iq2000_expand_epilogue): Update.
2486         * config/mt/mt.h (save_direction): Update.
2487         * config/mn10300/mn10300.c (mn10300_function_value): Update.
2488         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
2489         (ia64_secondary_reload_class): Update.
2490         * config/m68k/m68k.c (m68k_save_reg): Update.
2491         (m68k_expand_prologue): Update.
2492         (m68k_expand_epilogue): Update.
2493         (legitimize_pic_address): Update.
2494         * config/rs6000/rs6000.c (rs6000_got_register): Update.
2495         (first_reg_to_save): Update.
2496         (first_altivec_reg_to_save): Update.
2497         (compute_vrsave_mask): Update.
2498         (compute_save_world_info): Update.
2499         (rs6000_stack_info): Update.
2500         (spe_func_has_64bit_regs_p): Update.
2501         (rs6000_ra_ever_killed): Update.
2502         (rs6000_emit_eh_reg_restore): Update.
2503         (rs6000_emit_allocate_stack): Update.
2504         (rs6000_emit_prologue): Update.
2505         (rs6000_emit_epilogue): Update.
2506         (rs6000_output_function_epilogue): Update.
2507         (output_profile_hook): Update.
2508         (rs6000_elf_declare_function_name): Update.
2509         * config/rs6000/rs6000.h (rs6000_args): Update.
2510         * config/rs6000/rs6000.md: Update.
2511         * config/mcore/mcore.c (mcore_expand_prolog): Update.
2512         * config/arc/arc.c (arc_output_function_epilogue): Update.
2513         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
2514         * config/darwin.c (machopic_function_base_name): Update.
2515         * config/score/score3.c (score3_compute_frame_size): Update.
2516         (rpush): Update.
2517         (rpop): Update.
2518         (score3_epilogue): Update.
2519         * config/score/score7.c (score7_compute_frame_size): Update.
2520         (score7_prologue): Update.
2521         (score7_epilogue): Update.
2522         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
2523         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
2524         * config/arm/arm.c (use_return_insn): Update.
2525         (require_pic_register): Update.
2526         (arm_load_pic_register): Update.
2527         (arm_compute_save_reg0_reg12_mask): Update.
2528         (arm_compute_save_reg_mask): Update.
2529         (thumb1_compute_save_reg_mask): Update.
2530         (output_return_instruction): Update.
2531         (arm_output_function_prologue): Update.
2532         (arm_output_epilogue): Update.
2533         (arm_get_frame_offsets): Update.
2534         (arm_expand_prologue): Update.
2535         (thumb_pushpop): Update.
2536         (thumb_exit): Update.
2537         (thumb1_expand_prologue): Update.
2538         (thumb1_expand_epilogue): Update.
2539         (arm_unwind_emit): Update.
2540         (arm_output_fn_unwind): Update.
2541         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
2542         * config/arm/arm.md: Update.
2543         * config/pa/pa.md: Update.
2544         * config/pa/pa.c (legitimize_pic_address): Update.
2545         (compute_frame_size): Update.
2546         (hppa_expand_prologue): Update.
2547         (hppa_expand_epilogue): Update.
2548         (borx_reg_operand): Update.
2549         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
2550         (HARD_REGNO_RENAME_OK): Update.
2551         * config/mips/mips.c (mips_global_pointer): Update.
2552         (mips_save_reg_p): Update.
2553         (mips_compute_frame_info): Update.
2554         (mips_frame_pointer_required): Update.
2555         (mips_expand_prologue): Update.
2556         (mips_expand_epilogue): Update.
2557         (mips_can_use_return_insn): Update.
2558         (mips_reorg_process_insns): Update.
2559         * config/v850/v850.c (compute_register_save_size): Update.
2560         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
2561         * config/mmix/mmix.c (along): Update.
2562         (mmix_expand_epilogue): Update.
2563         * config/bfin/bfin.c (legitimize_pic_address): Update.
2564         (must_save_p): Update.
2565         (stack_frame_needed_p): Update.
2566         (add_to_reg): Update.
2567         (bfin_expand_prologue): Update.
2568         * stmt.c (expand_asm_operands): Update.
2569         * reload1.c (reload): Update.
2570         (init_elim_table): Update.
2571
2572 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
2573         
2574         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
2575         
2576 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
2577
2578         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
2579         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
2580         (mov<mode>): Removed.
2581         (*movv4sf_internal): Likewise.
2582         (*movv2df_internal): Likewise.
2583
2584 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
2585
2586         * config.gcc (crx-*-elf): Remove deprecation.
2587
2588 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
2589
2590         * config/i386/cygming-crtend.c (register_frame_ctor): Register
2591         __gcc_deregister_frame with atexit.
2592         (deregister_frame_dtor): Remove.
2593
2594 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
2595             Nathan Sidwell  <nathan@codesourcery.com>
2596
2597         * config/rs6000/rs6000.opt (mspe): Remove Var property.
2598         (misel): Likewise.
2599         * config/rs6000/rs6000.h (rs6000_spe): Declare.
2600         (rs6000_isel): Likewise.
2601         * config/rs6000/rs6000.c (rs6000_spe): New variable.
2602         (rs6000_isel): New variable.
2603         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
2604
2605 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2606
2607         PR c++/35758
2608         * c-common.c (handle_vector_size_attribute): Call
2609         lang_hooks.types.reconstruct_complex_type instead of
2610         reconstruct_complex_type.
2611         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
2612         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
2613         * langhooks.h (struct lang_hooks_for_types): Add
2614         reconstruct_complex_type hook.
2615         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
2616         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
2617
2618 2008-04-24  Richard Guenther  <rguenther@suse.de>
2619
2620         * c-common.h (check_builtin_function_arguments): Declare.
2621         * c-common.c (validate_nargs): New function.
2622         (check_builtin_function_arguments): Likewise.
2623         * c-typeck.c (build_function_call): Call
2624         check_builtin_function_arguments.
2625         * builtins.c (fold_builtin_classify): Remove error reporting code.
2626         (fold_builtin_unordered_cmp): Likewise.
2627         (fold_builtin_1): Likewise.
2628         (fold_builtin_n): Likewise.
2629
2630 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2631
2632         PR tree-optimization/36008
2633         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
2634         the original op1, rather than delta by step.
2635
2636 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
2637             Sebastian Pop  <sebastian.pop@amd.com>
2638
2639         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
2640         eliminate_local_variables_stmt, eliminate_local_variables,
2641         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
2642         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
2643         of code delimited by two edges in the CFG.
2644         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
2645         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
2646         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate 
2647         the case of parallelisation of reductions.
2648         (expr_invariant_in_region_p): New.
2649
2650         * tree-flow.h (gather_blocks_in_sese_region): Declared.
2651         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
2652
2653 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2654             Richard Guenther  <rguenther@suse.de>
2655
2656         PR tree-optimization/36034
2657         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
2658         incapable of dealing with loads with gaps.
2659
2660 2008-04-24  Rafael Espindola  <espindola@google.com>
2661
2662         * tree-flow.h (vrp_evaluate_conditional): Change signature.
2663         * tree-ssa-propagate.c (fold_predicate_in): Update call to
2664         vrp_evaluate_conditional.
2665         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
2666         (vrp_evaluate_conditional): Split the cond argument.
2667         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
2668         (simplify_stmt_for_jump_threading): Update call to
2669         vrp_evaluate_conditional.
2670
2671 2008-04-24  Ira Rosen  <irar@il.ibm.com>
2672
2673         PR tree-optimization/35982
2674         * tree-vect-analyze.c (vect_check_interleaving): Check that the
2675         interleaved data-refs are of the same type.
2676
2677 2008-04-24  Danny Smith  <dannysmith@users.net>
2678
2679         * c-format.c (check_format_info_main): Use strncmp rather than a
2680         magic prefix to handle multichar length specs.
2681         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
2682         Don't prefix "I64" and "I32" with '\0'.
2683
2684 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
2685
2686         PR target/36015
2687         * config/i386/i386.c (init_cumulative_args): Don't pass anything
2688         in registers for -m32 only if stdarg_p (fntype).
2689
2690 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
2691
2692         PR rtl-optimization/36006
2693         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
2694         temp to op0 in order to avoid invalid rtx sharing.
2695
2696 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
2697
2698         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
2699         check TREE_INVARIANT.
2700         * tree-gimple.c (is_gimple_address): New.
2701         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
2702         * tree-gimple.h (is_gimple_address): New.
2703         * tree.h (decl_address_invariant_p): New.
2704         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
2705         (build_string): Likewise.
2706         (decl_address_invariant_p): New, from is_gimple_invariant_address.
2707         (tree_invariant_p_1): Likewise.
2708         (save_expr): Use it.
2709         (tree_invariant_p): New.
2710         (skip_simple_arithmetic): Use it.
2711         (stabilize_reference_1): Use it.
2712         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
2713         simplify.
2714         (build1_stat): Drop code to compute TREE_INVARIANT.
2715         (build2_stat): Drop code to compute TREE_INVARIANT.
2716         (build3_stat): Drop code to compute TREE_INVARIANT.
2717         (build4_stat): Drop code to compute TREE_INVARIANT.
2718         (build5_stat): Drop code to compute TREE_INVARIANT.
2719         (build7_stat): Drop code to compute TREE_INVARIANT.
2720         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
2721         * tree.h (struct tree_base): Remove invariant_flag.
2722         (TREE_INVARIANT): Remove.
2723         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
2724         (fold_builtin_expect): Check TREE_CONSTANT.
2725         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
2726         * c-tree.h (c_expr_to_decl): Drop third parameter.
2727         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
2728         (build_c_cast): Don't set TREE_INVARIANT.
2729         (pop_init_level): Don't set TREE_INVARIANT.
2730         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
2731         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
2732         TREE_CONSTANT.
2733         (gimplify_init_constructor): Don't set TREE_INVARIANT.
2734         (gimplify_addr_expr): Adjust comment.
2735         * tree-mudflap.c (mf_build_string):
2736         * print-tree.c (print_node): Don't print TREE_INVARIANT.
2737         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
2738         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
2739         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
2740         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
2741         * langhooks.h (struct lang_hooks): Drop third parameter from
2742         expr_to_decl.
2743
2744 2008-04-23  Richard Guenther  <rguenther@suse.de>
2745
2746         PR tree-optimization/27799
2747         PR tree-optimization/32921
2748         PR tree-optimization/32624
2749         * tree-ssa-structalias.c (merge_smts_into): Only merge the
2750         SMTs aliases and the tag itself into the solution.
2751         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
2752         merge the points-to solution back into the SMT aliases.
2753         (may_alias_p): Use alias_set_subset_of instead of
2754         aliases_conflict_p.  A pointer which points to
2755         memory with alias set zero may access any variable.
2756
2757 2008-04-23  Richard Guenther  <rguenther@suse.de>
2758
2759         * alias.c (alias_set_subset_of): Correctly handle asking
2760         if zero is a subset of an alias set with zero child.
2761         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
2762         (compute_flow_insensitive_aliasing): Correctly walk all
2763         pointers.  Do not unnecessarily union sets.
2764
2765 2008-04-23  Richard Guenther  <rguenther@suse.de>
2766
2767         PR middle-end/36021
2768         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
2769
2770 2008-04-22  Tomas Bily  <tbily@suse.cz>
2771
2772         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
2773         unreachable case.
2774         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
2775         NON_LVALUE_EXPR.
2776         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
2777         * tree-ssa-structalias.c (get_constraint_for): Likewise.
2778         * tree-inline.c (estimate_num_insns_1): Likewise.
2779         * varasm.c (const_hash_1, compare_constant, copy_constant)
2780         (compute_reloc_for_constant, output_addressed_constants): Likewise.
2781         * emit-rtl.c (component_ref_for_mem_expr)
2782         (set_mem_attributes_minus_bitpos): Likewise.
2783         * expr.c (highest_pow2_factor, expand_expr_real_1, )
2784         (is_aligning_offset): Likewise.
2785         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
2786         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
2787         * dojump.c (do_jump): Likewise.
2788         * builtins.c (get_pointer_alignment, get_memory_rtx)
2789         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
2790         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
2791
2792 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
2793
2794         PR rtl-optimization/36017
2795         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
2796         expanding the library call.
2797
2798 2008-04-22  Ian Lance Taylor  <iant@google.com>
2799
2800         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
2801         than size_in_bytes.
2802
2803 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
2804
2805         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
2806         of LR/CTR moves for Power6.
2807
2808 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
2809
2810         PR middle-end/36003
2811         * passes.c (init_optimization_passes): Remove
2812         pass_fast_rtl_byte_dce.
2813         
2814 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
2815
2816         PR target/29096
2817         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
2818         builtin functions to generate faster code.
2819         (_mm_cvtpu16_ps): Ditto.
2820         (_mm_cvtpi32x2_ps): Ditto.
2821
2822 2008-04-22  Nick Clifton  <nickc@redhat.com>
2823
2824         * common.opt (ftree-loop-distribution): Add Optimization
2825         attribute.
2826
2827         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
2828         (frv_expand_builtin_va_start): Likewise.
2829
2830         * config/arm/arm.c (thumb_find_work_register): Fix location of
2831         argument register count.
2832
2833 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2834
2835         Support scheduling for ColdFire V1 and V3 microarchitecture.
2836         Improve scheduling of multiplication instructions.
2837
2838         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
2839         (mac): New instruction attribute.
2840         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
2841         (m68k_sched_mac): New variable.
2842         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
2843         Handle cfv1 and cfv3.
2844         (max_insn_size): New static variable.
2845         (struct _sched_ib): New type.
2846         (sched_ib): New static variable.
2847         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
2848         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
2849         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
2850         Update.
2851         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
2852         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
2853         new variables.  Update.
2854         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
2855         Add modeling of cfv3 instruction buffer.  Update.
2856         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
2857         * config/m68k/m68k.h (TUNE_CFV3): New macro.
2858         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
2859         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
2860         a particular reservation applies to.
2861         (type2): Reorganize attribute values.  Rename alu to alu_reg,
2862         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
2863         to mul_l and mul_w.
2864         (cf_ib_*): Simplify description of instruction buffer.
2865         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
2866         (cf_mem): Split into cf_mem1 and cf_mem2.
2867         (cf_v2_move_??): Rename to cfv12_alu_??.
2868         (cf_v2_move_l_??): Rename to cfv12_omove_??.
2869         (cf_v2_mul_??): Remove reservations.
2870         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
2871         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
2872         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
2873         appropriate place.
2874         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
2875         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
2876         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
2877         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
2878         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
2879         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
2880         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
2881         expansions of the above reservations for instructions of sizes
2882         1, 2 and 3 words.
2883
2884 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
2885
2886         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
2887
2888 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
2889
2890         * coverage.c: Include tree-pass.h.
2891         (coverage_counter_alloc): Print da_file_name to the dump file.
2892
2893 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
2894
2895         * sbitmap.c (sbitmap_range_empty_p): New function.
2896         * sbitmap.h (sbitmap_range_empty_p): New function.
2897         * bitmap.h: Now includes obstack.h.
2898
2899 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
2900             Kenneth Zadeck  <zadeck@naturalbridge.com>
2901
2902         * dbgcnt.def (ra_byte_scan): Added.
2903         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
2904         when the last hit happens for a counter.  
2905         * timevar.def (TV_DF_BYTE_LR): New variable.
2906         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
2907         * passes.c (pass_fast_rtl_byte_dce): New pass.
2908         * fwprop.c (update_df): Added mode to call df_ref_create.
2909         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2910         DF_REF_EXTRACT_OFFSET.
2911         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN, 
2912         DF_BYTE_LR_OUT, df_byte_lr): New macro.
2913         (df_mm): New enum.
2914         (df_ref_extract): Added mode field.
2915         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
2916         DF_REF_EXTRACT_OFFSET.
2917         (DF_REF_EXTRACT_MODE): New macro.
2918         (df_byte_lr_bb_info): New structure.
2919         (df_print_byte_regset, df_compute_accessed_bytes, 
2920         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
2921         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
2922         df_byte_lr_simulate_uses,
2923         df_byte_lr_simulate_artificial_refs_at_top,
2924         df_byte_lr_simulate_artificial_refs_at_end,
2925         df_compute_accessed_bytes): New function.
2926         (df_ref_create): Add parameter.
2927         (df_byte_lr_get_bb_info): New inline function.
2928         * df-scan.c (df_ref_record, df_uses_record,
2929         df_ref_create_structure): Added mode parameter.
2930         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1, 
2931         df_defs_record, df_uses_record, df_get_conditional_uses,
2932         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect, 
2933         df_entry_block_defs_collect, df_exit_block_uses_collect):
2934         Added mode parameter to calls to df_ref_record, df_uses_record,
2935         df_ref_create_structure.
2936         (df_ref_equal_p, df_ref_compare): Added test for modes.
2937         (df_ref_create_structure): Added code to set mode.  Renamed
2938         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
2939         DF_REF_EXTRACT_OFFSET.
2940         * df-core.c (df_print_byte_regset): New function.
2941         * df-byte-scan.c: New file.
2942         * df-problems.c (df_rd_transfer_function): Removed unnecessary
2943         calls to BITMAP_FREE.  
2944         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
2945         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
2946         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info, 
2947         df_byte_lr_check_regs, df_byte_lr_expand_bitmap, 
2948         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
2949         df_byte_lr_local_compute, df_byte_lr_init,
2950         df_byte_lr_confluence_0, df_byte_lr_confluence_n, 
2951         df_byte_lr_transfer_function, df_byte_lr_free, 
2952         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
2953         df_byte_lr_add_problem, df_byte_lr_simulate_defs, 
2954         df_byte_lr_simulate_uses,
2955         df_byte_lr_simulate_artificial_refs_at_top,
2956         df_byte_lr_simulate_artificial_refs_at_end): New function.
2957         * dce.c (byte_dce_process_block): New function.
2958         (dce_process_block): au is now passed in rather than computed
2959         locally.  Changed loops that look at artificial defs to not look
2960         for conditional or partial ones, because there never are any.  
2961         (fast_dce): Now is able to drive byte_dce_process_block or 
2962         dce_process_block depending on the kind of dce being done.
2963         (rest_of_handle_fast_dce): Add parameter to fast_dce.
2964         (rest_of_handle_fast_byte_dce): New function.
2965         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
2966         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
2967
2968 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
2969
2970         PR fortran/35019
2971         * gcc.h: Added fortran options that take arguments to
2972         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
2973         macros.
2974
2975 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
2976
2977         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
2978         scalarization if on the LHS and not a full access.
2979
2980 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2981
2982         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
2983
2984 2008-04-18  Rafael Espindola  <espindola@google.com>
2985
2986         * tree-vrp.c (find_case_label_index): Fix the binary search.
2987         (find_case_label_range): New.
2988         (vrp_visit_switch_stmt): Use find_case_label_range.
2989         (simplify_switch_using_ranges): Use find_case_label_range.
2990
2991 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
2992
2993         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
2994         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
2995
2996 2008-04-18  Tom Tromey  <tromey@redhat.com>
2997
2998         PR libcpp/15500:
2999         * doc/cpp.texi (Implementation-defined behavior): Mention
3000         -finput-charset.
3001
3002 2008-04-18  Ian Lance Taylor  <iant@google.com>
3003
3004         * fold-const.c (pointer_may_wrap_p): New static function.
3005         (fold_comparison): Add another test for pointer overflow.  Use
3006         pointer_may_wrap_p to disable some false positives.
3007
3008 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
3009           
3010         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
3011         (fname_as_string): Match updated cpp_interpret_string prototype.
3012         (fix_string_type): Support char16_t* and char32_t*.
3013         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
3014         derivative) nodes.  Register as builtin if C++0x.
3015         (c_parse_error): Support CPP_CHAR{16,32}.
3016         * c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
3017         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
3018         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
3019         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
3020         CTI_CHAR32_ARRAY_TYPE>: New elements.
3021         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
3022         char32_type_node, signed_char32_type_node, char16_array_type_node,
3023         char32_array_type_node): New defines.
3024         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
3025         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
3026         (lex_string): Support CPP_STRING{16,32}, match updated
3027         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
3028         (lex_charconst): Support CPP_CHAR{16,32}.
3029         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
3030         and CPP_STRING{16,32}.
3031
3032 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
3033
3034         PR bootstrap/35457
3035         * aclocal.m4: Regenerate.
3036         * configure: Regenerate.
3037
3038 2008-04-18  Jan Hubicka  <jh@suse.cz>
3039
3040         * except.c (dw2_size_of_call_site_table,
3041         sjlj_size_of_call_site_table): Use vector API for call_site_record.
3042
3043         * cgraphbuild.c (build_cgraph_edges): Update.
3044         * tree-pass.h: Update comment.
3045         * final.c (leaf_function_p): Update.
3046         (leaf_renumber_regs): Update.
3047         (rest_of_clean_state): Update.
3048         * omp-low.c (expand_omp_parallel): Update.
3049         * ipa-reference.c (analyze_function): Update.
3050         * reorg.c (find_end_label): Update.
3051         (optimize_skip): Update.
3052         (fill_simple_delay_slots): Update.
3053         (fill_simple_delay_slots): Update.
3054         (make_return_insns): Update.
3055         (dbr_schedule): Update.
3056         * gimple-low.c (record_vars_into): Update.
3057         * cfgbuild.c (make_edges): Update.
3058         * function.c (assign_stack_local): Update.
3059         (assign_parm_adjust_stack_rtl): Update.
3060         (locate_and_pad_parm): Update.
3061         (allocate_struct_function): Do not initialize stack_alignment_needed
3062         and preferred_stack_boundary here.
3063         (stack_protect_prologue): Update.
3064         (stack_protect_epilogue): Update.
3065         (expand_function_start): Initialize stack_alignment_needed,
3066         preferred_stack_boundary and max_jumptable_ents.
3067         (expand_function_end): Update.
3068         (free_after_compilation): Do not NULLify epilogue_delay_list.
3069         * function.h (struct rtl_data): Add stack_protect_guard,
3070         stack_alignment_needed,
3071         preferred_stack_boundary, epilogue_delay_list.
3072         (struct function): Remove value_histograms, stack_alignment_needed,
3073         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
3074         last_label_uid,
3075         unexpanded_var_list, stack_protect_guard.
3076         (current_function_epilogue_delay_list): Remove.
3077         * ipa-type-escape.c (analyze_function): Update.
3078         * gimplify.c (pop_gimplify_context): Update comment.
3079         * calls.c (expand_call): Update.
3080         (emit_library_call_value_1): Update.
3081         * except.c (set_nothrow_function_flags): Update.
3082         * cfgexpand.c (get_decl_align_unit): Update.
3083         (create_stack_guard): Update.
3084         (estimated_stack_frame_size): Update.
3085         (expand_used_vars): Update.
3086         (tree_expand_cfg): Free histogram earliers, init expansion variables.
3087         * explow.c (allocate_dynamic_stack_space): Update.
3088         * tree-ssa-live.c (remove_unused_locals): Update.
3089         * varasm.c (mark_constant_pool): Update.
3090         * tree-inline.c (remap_decls): Update.
3091         (initialize_cfun): Update.
3092         (declare_return_variable): Update.
3093         (inline_forbidden_p): Update.
3094         (expand_call_inline): Update.
3095         (declare_inline_vars): Update.
3096         (tree_function_versioning): Update.
3097         * tree-flow.h (value_histograms): New.
3098         (VALUE_HISTOGRAMS): New macro.
3099         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
3100         last_label_uid.
3101         * tree-cfg.c (set_bb_for_stmt): Update.
3102         (replace_by_duplicate_decl): Update.
3103         (move_block_to_fn): Update.
3104         (new_label_mapper): Update.
3105         (dump_function_to_file): Update.
3106         * ipa-struct-reorg.c (build_data_structure): Update.
3107         * cfgrtl.c (print_rtl_with_bb): Update.
3108         * reload1.c (reload): Update.
3109         (reload): Update.
3110         * config/i386/i386.c (setup_incoming_varargs_64,
3111         ix86_compute_frame_layout): Update.
3112         * config/arc/arc.c (arc_output_function_epilogue): Update.
3113
3114 2008-04-18  Marius Strobl <marius@FreeBSD.org>
3115
3116         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
3117         for FreeBSD as well.
3118         * gthr-posix95.h: Likewise.
3119
3120 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
3121
3122         PR rtl-optimization/35838
3123         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
3124         out the byte offset of the first subreg.
3125
3126 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
3127
3128         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
3129         to split_ti instead of three separate calls with single member arrays.
3130         (subti3 splitter): Ditto.
3131         (adddi3 splitter): Ditto with split_di.
3132         (subdi3 splitter): Ditto.
3133         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
3134         two separate calls with single member arrays.  Swap match_dup
3135         operands 1 and 2 to better fit into the array.
3136         (negdi2 splitter): Ditto with split_di.
3137         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
3138         two separate calls with single member arrays.  Swap match_dup operands
3139         6 and 7 to better fit into the array.
3140
3141 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3142
3143         * config/i386/i386.c (sse_builtin_type): New.
3144         (bdesc_sse_args): Likewise.
3145         (bdesc_sse_3arg): Removed.
3146         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3147         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
3148         IX86_BUILTIN_ROUNDPS.
3149         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
3150         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
3151         IX86_BUILTIN_ROUNDPS.
3152         (ix86_expand_sse_4_operands_builtin): Removed.
3153         (ix86_expand_sse_operands_builtin): New.
3154         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
3155         and CODE_FOR_sse4_1_roundps.
3156         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
3157         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
3158
3159 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
3160
3161         PR target/35907
3162         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
3163         regs before frame pop when needed.  If use_backchain_to_restore_sp
3164         then load backchain into a temp reg to restore vr and vrsave.  Add
3165         code to restore vr after frame pop if possible.
3166
3167 2008-04-17  Richard Guenther  <rguenther@suse.de>
3168
3169         * tree-vn.c (expressions_equal_p): Do not check type
3170         equality or compatibility before calling operand_equal_p.
3171         * fold-const.c (operand_equal_p): Check equivalence of
3172         integer constants before bailing out due to signedness or
3173         precision differences.
3174         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
3175         spurious differences in type qualification.  Ignore types
3176         for COMPONENT_REFs at all.
3177
3178 2008-04-17  Christian Bruel  <christian.bruel@st.com>
3179
3180         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
3181         msw_skip comparison.
3182         
3183 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
3184
3185         PR c/35739
3186         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
3187         reg type.
3188
3189         PR tree-optimization/35899
3190         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
3191         rather than TREE_OPERAND.
3192
3193 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
3194
3195         PR target/35944
3196         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
3197         temporary registers.  Change operand predicate to general_operand.
3198         (remainderxf3): Ditto.
3199
3200 2008-04-16  Richard Guenther  <rguenther@suse.de>
3201
3202         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
3203         * tree-affine.c (aff_combination_expand): Look through some
3204         conversions.
3205
3206 2008-04-15  Doug Kwan  <dougkwan@google.com>
3207
3208         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
3209         for hex printing.
3210         * tree-pretty-print.c (dump_generic_node): Ditto.
3211         * final.c (output_addr_const): Ditto.
3212         * dwarf2out.c (output_cfi): Ditto.
3213         * c-pretty-print.c (pp_c_integer_constant): Ditto.
3214         * print-rtl.c (print_rtx): Ditto.
3215         * print-tree.c (print_node_brief, print_node): Ditto.
3216         * c-common.c (match_case_to_enum_1): Ditto.
3217         * sched-vis.c (print_value): Ditto.
3218         * config/i386/i386.c (print_operand): Cast to long unsigned int
3219         for hex printing.
3220
3221 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
3222         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
3223         MS Windows VirtualProtect function.
3224
3225 2008-04-15  Jan Hubicka  <jh@suse.cz>
3226
3227         * gengtype.c (write_root): Param_is argument is OK.
3228         * expr.c (expand_expr_real_1): Update call of get_exception_*.
3229         * function.h: Include varray.h
3230         (rtl_eh): New stucture based on except.c one.
3231         (call_site_record): New forward declaration and vector type.
3232         * calls.c (emit_call_1): Do not call
3233         note_current_region_may_contain_throw.
3234         * except.c (eh_status): Remove cur_region, try_region since they are
3235         unused.
3236         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
3237         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
3238         sjlj_fc, sjlj_exit_after to rth_eh in function.h. 
3239         Remove call_site_data_used, call_site_data_size.
3240         Turn call_site_record into vector in function.h.
3241         (note_current_region_may_contain_throw): Remove.
3242         (get_exception_pointer, get_exception_filter): Do not take struct
3243         function argument; update.
3244         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
3245         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
3246         build_post_landing_pads, dw2_build_landing_pads,
3247         sjlj_assign_call_site_values, sjlj_mark_call_sites,
3248         sjlj_emit_function_enter, sjlj_emit_function_enter, 
3249         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
3250         sjlj_build_landing_pads, finish_eh_generation,
3251         remove_exception_handler_label, remove_eh_handler,
3252         maybe_remove_eh_handler, add_reachable_handler,
3253         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
3254         add_action_record, collect_one_action_chain, add_call_site,
3255         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
3256         sjlj_output_call_site_table, output_function_exception_table,
3257         * except.h (note_current_region_may_contain_throw): Remove
3258         (get_exception_pointer, get_exception_filter): Do not take struct
3259         function argument.
3260         * Makefile.in (GTFILES): Put varargs before struct function.
3261
3262 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3263
3264         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
3265         punt for STRING_CST.
3266         (get_constraint_for): Deal with STRING_CST here instead.
3267
3268 2008-04-15  Richard Guenther  <rguenther@suse.de>
3269
3270         * tree-ssa-propagate.c (substitute_and_fold): Substitute
3271         statements in a basic-block with a backward walk.  Do not
3272         substitute into dead statements but instead remove those.
3273
3274 2008-04-15  Richard Guenther  <rguenther@suse.de>
3275
3276         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
3277         to zero, thus disable creation of SFTs.
3278
3279 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
3280
3281         * tree-predcom.c (suitable_reference_p): Return false if the
3282         reference can throw.
3283
3284 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
3285
3286         PR c/35751
3287         * c-decl.c (finish_decl): If extern or static var has variable
3288         size, set TREE_TYPE (decl) to error_mark_node.
3289
3290 2008-04-15  Rafael Espindola  <espindola@google.com>
3291
3292         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
3293         variable arg1.
3294
3295 2008-04-15  Richard Guenther  <rguenther@suse.de>
3296
3297         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
3298         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
3299         (visit_reference_op_load): Do walk vuse-vdef chains on
3300         vn_reference_lookup.
3301         (visit_reference_op_store): But do not here.
3302         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
3303         vn_reference_lookup.
3304         (vn_lookup_with_vuses): But do so here.
3305
3306 2008-04-14  Ian Lance Taylor  <iant@google.com>
3307
3308         * fold-const.c (fold_overflow_warning): Remove assertion.
3309
3310 2008-04-15  Ben Elliston  <bje@au.ibm.com>
3311
3312         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
3313         temp1 local variables.
3314
3315 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
3316
3317         PR target/35661
3318         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
3319         ".text.unlikely" section as executable.
3320
3321 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
3322
3323         * config/ia64/ia64.c (rtx_needs_barrier): Handle
3324         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
3325         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
3326         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
3327         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
3328         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
3329         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
3330
3331 2008-04-14  Ian Lance Taylor  <iant@google.com>
3332
3333         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
3334         * fold-const.c (fold_comparison): If appropriate, test
3335         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
3336         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
3337         reassociating a pointer type.
3338         * doc/invoke.texi (Optimize Options): Document that
3339         -fstrict-overflow applies to pointer wraparound.
3340
3341 2008-04-13  Jan Hubicka  <jh@suse.cz>
3342
3343         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
3344
3345 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
3346
3347         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
3348         we are going to "save the world".
3349
3350 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
3351
3352         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
3353         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
3354         operand 0 constraint, not "=".
3355
3356 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
3357
3358         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
3359
3360 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3361
3362         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
3363         of size of positions_needed * CHAR_BIT.
3364
3365 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
3366
3367         PR middle-end/35897
3368         * dse.c (store_info): Change positions_needed to unsigned
3369         HOST_WIDE_INT.
3370         (lowpart_bitmask): New.
3371         (record_store): Cast to unsigned HOST_WIDE_INT for
3372         positions_needed.  Assert width <= size of positions_needed *
3373         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
3374         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
3375         lowpart_bitmask to set mask.
3376
3377 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
3378
3379         * config/bfin/constraints.md: New file.
3380         * config/bfin/bfin.md: Include it.
3381         (adddi3): Use satisfies_constraint functions instead of the old macros.
3382         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3383         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
3384         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
3385         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
3386         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
3387         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
3388         EXTRA_CONSTRAINT): Delete.
3389         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
3390         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
3391         of the old macros.
3392         * config/bfin/bfin.c: Include "tm-constrs.h".
3393         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
3394         Use satisfies_constraint functions instead of the old macros.
3395         * doc/md.texi (Blackfin Constraints): Update file name reference.
3396
3397 2008-04-11  Richard Guenther  <rguenther@suse.de>
3398
3399         PR tree-optimization/35869
3400         * tree-vrp.c (execute_vrp): Move switch statement update after
3401         jump threading.  Schedule another cfg cleanup run.
3402
3403 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
3404
3405         PR c/35744
3406         * attribs.c (decl_attributes): Return early on errorneous node.
3407
3408 2008-04-10  Oleg Ryjkov  <olegr@google.com>
3409
3410         * tree.h (struct tree_base): Added a new flag default_def_flag.
3411         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
3412
3413 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
3414
3415         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
3416
3417 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3418
3419         PR target/35768
3420         * pa.md: Define mode iterator P.  Define mode attribute dwc.
3421         (dcacheflush): Update pattern to use iterator P and attribute dwc.
3422         (icacheflush): Likewise.
3423         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
3424         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
3425
3426 2008-04-11  Ben Elliston  <bje@au.ibm.com>
3427
3428         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
3429
3430 2008-04-10  Rafael Espindola  <espindola@google.com>
3431
3432         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
3433         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
3434         (extract_range_from_expr): The same.
3435
3436 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3437
3438         * config/mips/mips.md (GPR2): New mode iterator.
3439         (seq): Add comment.
3440         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
3441         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
3442         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
3443         Rewrite these to take two modes, the mode of comparison and the
3444         mode of the destination.
3445         * config/mips/mips.c (mips_expand_scc): Instead of having
3446         paradoxical subreg as destination, expand "narrowing" scc if mode
3447         of comparison is SI and target is requested in DI mode.
3448         (mips_emit_int_order_test): Update comment.  Make mode of
3449         comparison match CMP0 rather than TARGET.  When creating inverse
3450         target use mode of TARGET.
3451
3452 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
3453
3454         * gcov-dump.c (tag_summary): Only print summaries for the first
3455         GCOV_COUNTERS_SUMMABLE counters.
3456
3457 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
3458
3459         * config/i386/i386.md (absneg): New code iterator.
3460         (absnegprefix): New code attribute.
3461         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
3462         patterns using absneg code iterator.
3463         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
3464         using absneg code iterator.
3465         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
3466         *neg<mode>2 patterns using absneg code iterator.
3467         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3468         *negextendsfdf2 patterns using absneg code iterator.
3469         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
3470         *negextendsfxf2 patterns using absneg code iterator.
3471         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
3472         *negextendsfdf2 patterns using absneg code iterator.
3473         * config/i386/sse.md (<code><mode>2): Macroize expander from
3474         abs<mode>2 and neg<mode>2 patterns using absneg code iterator. 
3475
3476 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
3477
3478         * config/s390/s390.h: Remove the remains of the recent search
3479         & replace action of current_function_outgoing_args_size.
3480
3481 2008-04-10  Ira Rosen  <irar@il.ibm.com>
3482
3483         PR tree-optimization/35821
3484         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
3485         NEW_STMT_LIST is not NULL.
3486
3487 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
3488
3489         PR libstdc++/35597
3490         * toplev.c (process_options): Remove -ffunction-sections debugging
3491         warning.
3492
3493 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
3494
3495         PR middle-end/PR28690
3496         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
3497         than gen_rtx_fmt_ee to perform more canonicalizations.
3498
3499 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3500
3501         PR driver/35665
3502         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
3503
3504 2008-04-09  Richard Guenther  <rguenther@suse.de>
3505
3506         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
3507         (dump_function_to_file): Dump function arguments with types.
3508
3509 2008-04-08  Richard Guenther  <rguenther@suse.de>
3510
3511         * fold-const.c (fold_widened_comparison): Do not allow
3512         sign-changes that change the result.
3513
3514 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
3515
3516         PR target/35839
3517         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
3518         kinds of indirect references.
3519
3520 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
3521
3522         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
3523         GNU Fortran language string.
3524
3525 2008-04-08  Rafael Espindola  <espindola@google.com>
3526
3527         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
3528         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
3529         * tree.h (tree_call_nonnegative_warnv_p): New.
3530
3531 2008-04-08  Jan Hubicka  <jh@suse.cz>
3532
3533         * function.c (free_after_compilation): Clear out regno_reg_rtx
3534         pointer.
3535
3536 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
3537
3538         Revert
3539         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3540
3541         PR middle-end/PR28690
3542         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
3543         same precedence as REG_POINTER and MEM_POINTER operands.
3544
3545 2008-04-08  Richard Guenther  <rguenther@suse.de>
3546
3547         PR middle-end/35834
3548         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
3549         for adding index to base.
3550
3551 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
3552
3553         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
3554         (MINGW_ENABLE_EXECUTE_STACK): New.
3555         (IN_LIBGCC2): For libgcc include windows.h file for
3556         function declarations.
3557
3558 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
3559
3560         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
3561         and tem2 if tem1 is not a REG or MULT.
3562
3563 2008-04-08  Jan Hubicka  <jh@suse.cz>
3564
3565         * function.h (incomming_args): Break out of struct function.
3566         (function_subsections): Break out of struct function.
3567         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
3568         return_rtx and hard_reg_initial_vals from struct function.
3569         Kill inl_max_label_num.
3570         (current_function_pops_args, current_function_args_info,
3571         current_function_args_size, current_function_args_size,
3572         current_function_pretend_args_size,
3573         current_function_outgoing_args_size,
3574         current_function_internal_arg_pointer, current_function_return_rtx):
3575         Kill compatibility accestor macros.
3576         * builtins.c (expand_builtin_apply_args_1): Update.
3577         (expand_builtin_next_arg): Update.
3578         * df-scan.c (df_get_call_refs): Update.
3579         * dbxout.c (dbxout_function_end): Update.
3580         * dwarf2out.c (dwarf2out_switch_text_section): Update.
3581         (output_line_info): Update.
3582         (secname_for_decl): Update.
3583         (dwarf2out_var_location): Update.
3584         * function.c (free_after_compilation): Update.
3585         (assign_parm_find_stack_rtl): Update.
3586         (assign_parms): Update.
3587         (expand_dummy_function_end): Update.
3588         (expand_function_end): Update.
3589         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
3590         (expand_call): Update.
3591         (emit_library_call_value_1): Update.
3592         (store_one_arg): Update.
3593         * varasm.c (initialize_cold_section_name): Update.
3594         (unlikely_text_section): Update.
3595         (unlikely_text_section_p): Update.
3596         (assemble_start_function): Update.
3597         (assemble_end_function): Update.
3598         (default_section_type_flags): Update.
3599         (switch_to_section): Update.
3600         * integrate.c (set_decl_abstract_flags): Update.
3601         (get_hard_reg_initial_val): Update.
3602         (has_hard_reg_initial_val): Update.
3603         (allocate_initial_values): Update.
3604         * resource.c (init_resource_info): Update.
3605         * config/alpha/alpha.c (NUM_ARGS): Update.
3606         (direct_return): Update.
3607         (alpha_va_start): Update.
3608         (alpha_sa_size): Update.
3609         (alpha_initial_elimination_offset): Update.
3610         (alpha_expand_prologue): Update.
3611         (alpha_start_function): Update.
3612         (alpha_expand_epilogue): Update.
3613         (unicosmk_initial_elimination_offset):
3614         * config/alpha/alpha.md (call expander): Update.
3615         * config/s390/s390.c (s390_register_info): Update.
3616         (s390_register_info): Update.
3617         (s390_frame_info): Update.
3618         (s390_initial_elimination_offset): Update.
3619         (s390_build_builtin_va_list): Update.
3620         (s390_va_start): Update.
3621         * config/spu/spu.c (direct_return): Update.
3622         (spu_expand_prologue): Update.
3623         (spu_initial_elimination_offset): Update.
3624         (spu_build_builtin_va_list): Update.
3625         (spu_va_start): Update.
3626         * config/sparc/sparc.c (sparc_init_modes): Update.
3627         (sparc_compute_frame_size): Update.
3628         (function_value): Update.
3629         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
3630         * config/i386/i386.md (return expander): Update.
3631         * config/i386/i386.c (ix86_va_start): Update.
3632         (ix86_can_use_return_insn_p): Update.
3633         (ix86_compute_frame_layout): Update.
3634         (ix86_expand_epilogue): Update.
3635         * config/sh/sh.c (output_stack_adjust): Update.
3636         (calc_live_regs): Update.
3637         (sh_expand_prologue): Update.
3638         (sh_builtin_saveregs): Update.
3639         (sh_va_start): Update.
3640         (initial_elimination_offset): Update.
3641         (sh_allocate_initial_value): Update.
3642         (sh_function_ok_for_sibcall): Update.
3643         (sh_get_pr_initial_val): Update.
3644         * config/sh/sh.md (return expander): Update.
3645         * config/avr/avr.c (frame_pointer_required_p): UPdate.
3646         * config/crx/crx.c (crx_compute_frame): UPdate.
3647         (crx_initial_elimination_offset): UPdate.
3648         * config/xtensa/xtensa.c (compute_frame_size): Update
3649         (xtensa_builtin_saveregs): Update.
3650         (xtensa_va_start): Update.
3651         (order_regs_for_local_alloc): Update.
3652         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
3653         (xstormy16_expand_builtin_va_start): Update.
3654         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
3655         * config/m68hc11/m68hc11.md (return expanders): Update.
3656         * config/m68hc11/m68hc11.c (expand_prologue): Update.
3657         (expand_epilogue): Update.
3658         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
3659         (cris_simple_epilogue): Update.
3660         (cris_expand_prologue): Update.
3661         (cris_expand_epilogue): Update.
3662         * config/iq2000/iq2000.c (iq2000_va_start): Update.
3663         (compute_frame_size): Update.
3664         * config/mt/mt.c (mt_compute_frame_size): Update.
3665         * config/mn10300/mn10300.c (expand_prologue): Update.
3666         (expand_epilogue): Update.
3667         (initial_offset): Update.
3668         (mn10300_builtin_saveregs):
3669         * config/mn10300/mn10300.md (return expander): Update.
3670         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
3671         (ia64_initial_elimination_offset): Update.
3672         (ia64_initial_elimination_offset): Update.
3673         (ia64_expand_prologue): Update.
3674         * config/m68k/m68k.md (return expander): Update.
3675         * config/rs6000/rs6000.c (rs6000_va_start): Update.
3676         (rs6000_stack_info): Update.
3677         * config/mcore/mcore.c (layout_mcore_frame): Update.
3678         (mcore_expand_prolog): Update.
3679         * config/arc/arc.c (arc_compute_frame_size): Update.
3680         * config/score/score3.c (score3_compute_frame_size): Update.
3681         * config/score/score7.c (score7_compute_frame_size): Update.
3682         * config/arm/arm.c (use_return_insn): Update.
3683         (thumb_find_work_register): Update.
3684         (arm_compute_save_reg_mask): Update.
3685         (arm_output_function_prologue): Update.
3686         (arm_output_epilogue): Update.
3687         (arm_size_return_regs): Update.
3688         (arm_get_frame_offsets): Update.
3689         (arm_expand_prologue): Update.
3690         (thumb_exit): Update.
3691         (thumb_unexpanded_epilogue): Update.
3692         (thumb1_output_function_prologue): Update.
3693         * config/pa/pa.md (return expander): Update.
3694         * config/pa/pa.c (compute_frame_size): Update.
3695         (hppa_builtin_saveregs): Update.
3696         * config/mips/mips.c (mips_va_start): Update.
3697         (mips16_build_function_stub): Update.
3698         (mips_compute_frame_info): Update.
3699         (mips_restore_gp): Update.
3700         (mips_output_function_prologue): Update.
3701         (mips_expand_prologue): Update.
3702         * config/v850/v850.c (compute_frame_size): Update.
3703         (expand_prologue): * config/mmix/mmix.c (along): update.
3704         (mmix_initial_elimination_offset): update.
3705         (mmix_reorg): update.
3706         (mmix_use_simple_return): update.
3707         (mmix_expand_prologue): update.
3708         (mmix_expand_epilogue): Update.
3709         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
3710         (emit_link_insn): Update.
3711
3712 2008-04-08  Anatoly Sokolov <aesok@post.ru>
3713
3714         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define 
3715         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL 
3716         instructions.
3717         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for 
3718         atmega103 device.
3719
3720 2008-04-07  Jan Hubicka  <jh@suse.cz>
3721
3722         * function.h (rtl): Rename to x_rtl.
3723         (crtl): New define.
3724         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
3725         frame_offset, stack_check_probe_note, arg_pointer_save_area,
3726         used_temp_slots avail_temp_slots, temp_slot_level,
3727         nonlocal_goto_handler_labels): Update accesstors.
3728         (rtl): New global variable.
3729         (struct function): Move some fileds to rtl_data.
3730         (get_arg_pointer_save_area): Update prototype.
3731         * builtins.c (expand_builtin_setjmp_receiver): Update call of
3732         get_arg_pointer_save_area.
3733         * expr.c (init_expr): Update
3734         * function.c (get_frame_size): Update
3735         (assign_stack_local): Update
3736         (expand_function_end): Update.
3737         (get_art_pointer_save_area): Update
3738         * function.h 
3739         * emit-rtl.c (rtl): Declare.
3740         (regno_reg_rtx): Declare.
3741         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
3742         Update.
3743         (gen_reg_rtx): Update.
3744         * varasm.c (n_deferred_constatns): Update accestor.
3745         (init_varasm_status): Do not allocate varasm_status.
3746         (force_const_mem, get_pool_size, output_constant_pool): Update.
3747         * stmt.c (force_label_rtx): Do not use x_ prefixes.
3748         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
3749         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
3750         * sparc/sparc.h (INIT_EXPANDERS): Update.
3751         * ia64/ia64.h (INIT_EXPANDERS): Update.
3752
3753 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
3754
3755         * reload.c (push_secondary_reload): Add missing break to for loop.
3756
3757 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
3758
3759         PR middle-end/PR28690
3760         * rtlanal.c: Update copyright years.
3761         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
3762         as REG_POINTER and MEM_POINTER operands.
3763         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
3764         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
3765         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
3766         * gcse.c: Update copyright years.
3767         (pre_delete): Call gen_reg_rtx_and_attrs.
3768         (hoist_code): Likewise.
3769         (build_store_vectors): Likewise.
3770         (delete_store): Likewise.
3771         * loop-invariant.c (move_invariant_reg): Likewise.
3772         Update copyright years.
3773
3774 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
3775
3776         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
3777         control string instead of quoted.
3778
3779 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
3780
3781         * doc/rtl.texi: Rewrite of subreg section.
3782
3783 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
3784
3785         PR/35842
3786         * config/i386/i386.c (legitimize_pic_address): Add treating
3787         of dllimport SYM_REF's.
3788         (legitimize_dllimport_symbol): Add prototype.
3789
3790 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3791
3792         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
3793         reference in constructor with non self-referential type.
3794
3795 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
3796
3797         Removal of Return with Depressed Stack Pointer support
3798         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
3799         (ECF_SP_DEPRESSED): Likewise.
3800         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
3801         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
3802         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3803         (expand_call): Do not test ECF_SP_DEPRESSED.
3804         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3805         * function.c (keep_stack_depressed): Delete.
3806         (handle_epilogue_set): Likewise.
3807         (update_epilogue_consts): Likewise.
3808         (emit_equiv_load): Likewise.
3809         (thread_prologue_and_epilogue_insns): Remove support for Return with
3810         Depressed Stack Pointer.
3811         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
3812
3813 2008-04-06  Richard Guenther  <rguenther@suse.de>
3814
3815         PR tree-optimization/35400
3816         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
3817         information from SSA_NAMEs.
3818
3819 2008-04-06  Anatoly Sokolov <aesok@post.ru>
3820
3821         * config/avr/avr.h (avr_mega_p): Remove declaration.
3822         (AVR_MEGA): Remove macro.
3823         * config/avr/avr.c (avr_mega_p): Remove variable.
3824         (avr_override_options): Remove inicializion of avr_mega_p.
3825         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3826         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
3827         (avr_jump_mode): (Ditto.).
3828         (avr_output_progmem_section_asm_op): (Ditto.).
3829         (avr_asm_init_sections): (Ditto.).
3830         (avr_asm_init_sections): (Ditto.).
3831         (avr_rtx_costs): (Ditto.).
3832         * config/avr/avr.md: (Ditto.).
3833         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of 
3834         '__AVR_MEGA__'.
3835
3836 2008-04-06  Richard Guenther  <rguenther@suse.de>
3837
3838         PR tree-optimization/35842
3839         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
3840         is_gimple_invariant_address.
3841
3842 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
3843
3844         * gcc.c (default_compilers): Sync Fortran extensions list with
3845         that in fortran/lang-specs.h.
3846         * doc/invoke.texi: Likewise.
3847         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
3848         * dwarf2out.c (gen_compile_unit_die): Likewise.
3849
3850 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
3851
3852         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
3853
3854 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
3855
3856         PR target/12329
3857         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
3858         attribute is used for nested functions.
3859
3860 2008-04-05  Jan Hubicka  <jh@suse.cz>
3861
3862         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
3863
3864         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
3865         letter argument.
3866         (dump_files): Update.
3867         (enable_rtl_dump_file): Do not accept letter argument.
3868         * tree-pass.h (dump_file_info): Remove letter argument.
3869         * toplev.c (decode_d_option): Update -da handling.
3870         * toplev.h (enable_rtl_dump_file): Update prototype.
3871         * passes.c (register_one_dump_file): Do not accept IPA argument; work
3872         it out based on pass type.
3873         (register_dump_files_1): Likewise.
3874         (init_optimization_passes): Update register_one_dump_file calls.
3875         (execute_one_pass): Sanity check that IPA passes are called at IPA
3876         level and RTL passes at RTL level.
3877         (execute_pass_list): IPA pass can not be after or subpass of
3878         GIMPLE/RTL pass.
3879         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
3880         disallov RTL subpasses of IPA subpasses.
3881
3882 2008-04-05  Ben Elliston  <bje@au.ibm.com>
3883
3884         * tree-cfg.c (need_fake_edge_p): Return false for calls to
3885         builtins that return exactly once and do not throw. Cache call to
3886         call_expr_flags.
3887
3888 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
3889
3890         PR rtl-optimization/34916
3891         PR middle-end/35519
3892         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
3893         between instruction pairs.
3894
3895 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
3896
3897         * doc/invoke.texi: Document -mbitops for SH.
3898         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
3899         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
3900         * config/sh/sh.c (print_operand): Add %t operand code.
3901         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
3902         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
3903         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
3904         (extendqihi2): Likewise.
3905         (movqi_i): Likewise.
3906         (insv): Use bset, bclr and bst instructions for SH2A if possible.
3907         (extv): Use bld instruction for SH2A if possible.
3908         (extzv): Likewise.
3909         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
3910         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
3911         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
3912         (bset.b, bclr.b): Define peepholes.
3913         * config/sh/sh.opt (mbitops): New option.
3914
3915 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
3916
3917         PR target/35620
3918         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
3919         and view convert expression.
3920
3921 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
3922
3923         PR target/35364
3924         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
3925
3926 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
3927
3928         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
3929
3930         * config/i386/cpuid.h (bit_AES): New.
3931         (bit_PCLMUL): Likewise.
3932
3933         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
3934         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
3935         SSE2 if AES or PCLMUL is enabled.
3936         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
3937         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3938         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
3939         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
3940         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
3941         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
3942         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
3943         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
3944         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
3945         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
3946         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
3947         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
3948         __builtin_ia32_aeskeygenassist128 and
3949         __builtin_ia32_pclmulqdq128.
3950         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
3951         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
3952         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
3953
3954         * config/i386/i386.h (TARGET_AES): New.
3955         (TARGET_PCLMUL): Likewise.
3956         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
3957
3958         * config/i386/i386.md (UNSPEC_AESENC): New.
3959         (UNSPEC_AESENCLAST): Likewise.
3960         (UNSPEC_AESDEC): Likewise.
3961         (UNSPEC_AESDECLAST): Likewise.
3962         (UNSPEC_AESIMC): Likewise.
3963         (UNSPEC_AESKEYGENASSIST): Likewise.
3964         (UNSPEC_PCLMUL): Likewise.
3965
3966         * config/i386/i386.opt (maes): New.
3967         (mpclmul): Likewise.
3968
3969         * config/i386/sse.md (aesenc): New pattern.
3970         (aesenclast): Likewise.
3971         (aesdec): Likewise.
3972         (aesdeclast): Likewise.
3973         (aesimc): Likewise.
3974         (aeskeygenassist): Likewise.
3975         (pclmulqdq): Likewise.
3976
3977         * config/i386/wmmintrin.h: New.
3978
3979         * doc/extend.texi: Document AES and PCLMUL built-in function.
3980
3981         * doc/invoke.texi: Document -maes and -mpclmul.
3982
3983 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
3984
3985         * function.c (free_after_parsing): Replace with
3986         cxx_push_function_context from C++ front-end.
3987         (allocate_struct_function): Don't call langhook.
3988         * langhooks.h (struct lang_hooks_for_functions): Delete.
3989         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
3990         member "function".
3991         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
3992         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
3993         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
3994         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
3995         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
3996         remove LANG_HOOKS_FUNCTION_INITIALIZER.
3997         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
3998
3999         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
4000         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
4001         
4002 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
4003
4004         PR c/35440
4005         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
4006         for all types.
4007
4008 2008-04-04  Richard Guenther  <rguenther@suse.de>
4009
4010         PR middle-end/35823
4011         * fold-const.c (optimize_minmax_comparison): Use the correct
4012         type for the constant in the simplified comparison.
4013
4014 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
4015
4016         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
4017         Pass L2 size as "--param l2-cache-size" to the compiler.
4018         (decode_l2_cache): New function to decode L2 cache parameters using
4019         0x8000006 extended cpuid function.
4020         (detect_caches_amd): Determine parameters of L2 cache using
4021         decode_l2_caches function.
4022         (decode_caches_intel): Decode L2 cache parameters.
4023         (detect_caches_intel): Determine L2 cache parameters using
4024         decode_caches_intel and decode_l2_caches functions.
4025
4026 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
4027
4028         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
4029         secondary input reload for subword loads from the constant pool.
4030
4031 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
4032
4033         PR target/35713
4034         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
4035           constants of the appropriate size for runtime calculations.
4036
4037         PR c/35712
4038         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
4039           decimal-float literal constant zero.
4040
4041 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
4042
4043         PR c/35738
4044         * c-parser.c (c_parser_omp_atomic): Call
4045         default_function_array_conversion on the RHS.
4046
4047         PR middle-end/35818
4048         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
4049         call is_variable_sized if decl has incomplete type.
4050
4051 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
4052
4053         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
4054
4055 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
4056
4057         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
4058         iterators.
4059         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
4060         (sgt<u>): Merge sgt and sgtu into new expander.
4061         (sgt, sgtu): Remove expanders.
4062         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
4063         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
4064         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
4065         *sgtu_<mode>_mips16 into new pattern.
4066         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
4067         (sge<u>): Merge sge and sgeu into new expander.
4068         (sge, sgeu): Remove expanders.
4069         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
4070         new pattern.
4071         (*sge_<mode>, second *sge_<mode>): Remove patterns.
4072         (slt<u>): Merge slt and sltu into new expander.
4073         (slt, sltu): Remove expanders.
4074         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
4075         (*slt_<mode>, *sltu_<mode>): Remove patterns.
4076         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
4077         *sltu_<mode>_mips16 into new pattern.
4078         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
4079         (sle<u>): Merge sle and sleu into new expander.
4080         (sle, sleu): Remove expanders.
4081         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
4082         (*sle_<mode>, *sleu_<mode>): Remove patterns.
4083         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
4084         *sleu_<mode>_mips16 into new pattern.
4085         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
4086
4087 2008-04-03  Jan Hubicka  <jh@suse.cz>
4088
4089         PR tree-optimization/35795
4090         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
4091         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4092         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
4093         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
4094         * score/score3.c (score3_output_mi_thunk): Likewise.
4095         * score/score7.c (score7_output_mi_thunk): Likewise.
4096         * mips/mips.c (mips_output_mi_thunk): Likewise.
4097
4098 2008-04-03  Richard Guenther  <rguenther@suse.de>
4099
4100         * tree-vrp.c (extract_range_from_unary_expr): Handle all
4101         conversions.  Simplify code.
4102
4103 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
4104
4105         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
4106
4107 2008-04-03  Tom Tromey  <tromey@redhat.com>
4108             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4109
4110         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
4111         * config/bfin/t-bfin-linux (generated_files): Add
4112         linux-sysroot-suffix.h.
4113         * doc/install.texi (Prerequisites): Require make 3.80.
4114         * doc/sourcebuild.texi (Front End Directory): Document new
4115         variable.
4116         * Makefile.in (generated_files): New variable.
4117         (ALL_HOST_OBJS): New variable.
4118         ($(ALL_HOST_OBJS)): New target.
4119
4120 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4121
4122         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
4123         (remap_block): Call id->transform_lang_insert_block instead
4124         of langhook.
4125         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
4126         Set id.transform_lang_insert_block to NULL.
4127         (clone_body): Move to cp/optimize.c
4128         * tree-inline.h (struct copy_body_data): Change
4129         transform_lang_insert_block to function pointer.
4130         (copy_generic_body, copy_decl_no_change): Export.
4131         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
4132         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
4133         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
4134
4135         * c-tree.h (insert_block): Kill.
4136         * c-decl.c (insert_block): Kill.
4137
4138 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
4139
4140         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4141         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4142         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
4143         argument.
4144         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
4145         argument, call {push,pop}_function_context from here.
4146         * c-parser.c: Use c_{push,pop}_function_context.
4147
4148         * function.c (push_function_context_to): Move meat ...
4149         (push_function_context): ... here.  Simplify.
4150         * function.c (pop_function_context_from): Move meat ...
4151         (pop_function_context): ... here.  Simplify.
4152         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
4153         leave_nested).
4154         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
4155         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
4156         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
4157         * tree.h (push_function_context_to, pop_function_context_from): Remove.
4158
4159 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4160
4161         * expmed.c (extract_force_align_mem_bit_field): Remove.
4162
4163 2008-04-03  Richard Guenther  <rguenther@suse.de>
4164
4165         PR middle-end/35800
4166         * expr.h (try_casesi): Adjust prototype.
4167         * expr.c (try_casesi): Take fallback label as extra parameter.
4168         Use that for gen_casesi if default_label is NULL.
4169         * stmt.c (expand_case): Pass fallback label to try_casesi,
4170         make sure to fill gaps with a fallback label if default_label
4171         is not present.
4172
4173 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
4174
4175         PR target/35801
4176         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
4177
4178 2008-04-03  Ben Elliston  <bje@au.ibm.com>
4179
4180         * expmed.c (extract_split_bit_field): Remove if (0) code.
4181         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
4182         (do_ds_constraint): Likewise.
4183
4184 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
4185
4186         * doc/cppopts.texi (-dU): Document.
4187         * c-common.h (flag_dump_macros): Update comment.
4188         * c-opts.c (handle_OPT_d): Handle -dU.
4189         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
4190         dump_queued_macros, cb_used_define, cb_used_undef): New.
4191         (init_pp_output): Handle -dU.
4192         (cb_line_change): Call dump_queued_macros.
4193         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
4194
4195 2008-04-02  Anatoly Sokolov <aesok@post.ru>
4196
4197         * config/avr/predicates.md (io_address_operand): New predicate. 
4198         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
4199         * config/avr/avr.c (avr_io_address_p): Remove function.
4200         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of 
4201         'avr_io_address_p' function.
4202         (out_movhi_r_mr): (Ditto.).
4203         (out_movqi_mr_r): (Ditto.).
4204         (out_movhi_mr_r): (Ditto.).
4205         (avr_address_cost): (Ditto.).
4206
4207 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
4208
4209         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
4210         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
4211         in 32bit mode when XMM registers are available to avoid store
4212         forwarding stalls.
4213         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
4214         corresponding post-reload splitters.
4215
4216 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4217
4218         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
4219         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
4220         __builtin_ia32_roundss.
4221         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
4222         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
4223         __builtin_ia32_roundss.
4224         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
4225         IX86_BUILTIN_SHUFPD here.
4226
4227 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
4228
4229         * config/i386/i386.md (plogic): New.
4230         (plogicprefix): Likewise.
4231
4232         * config/i386/mmx.md (mmx_<code><mode>3): New.
4233         (mmx_and<mode>3): Removed.
4234         (mmx_ior<mode>3): Likewise.
4235         (mmx_xor<mode>3): Likewise.
4236
4237         * config/i386/sse.md (<code><mode>3): New.
4238         (*<code><mode>3): Likewise.
4239         (*<code><mode>3): Likewise.
4240         (<code><mode>3): Likewise.
4241         (*sse_<code><mode>3): Likewise.
4242         (*sse2_<code><mode>3): Likewise.
4243         (<code>tf3): Likewise.
4244         (*<code>tf3): Likewise.
4245         (and<mode>3): Likewise.
4246         (*and<mode>3): Likewise.
4247         (ior<mode>3): Removed.
4248         (*ior<mode>3): Likewise.
4249         (xor<mode>3): Likewise.
4250         (*xor<mode>3): Likewise.
4251         (*and<mode>3): Likewise.
4252         (*ior<mode>3): Likewise.
4253         (*xor<mode>3): Likewise.
4254         (and<mode>3): Likewise.
4255         (*sse_and<mode>3): Likewise.
4256         (*sse2_and<mode>3): Likewise.
4257         (andtf3): Likewise.
4258         (*andtf3): Likewise.
4259         (ior<mode>3): Likewise.
4260         (*sse_ior<mode>3): Likewise.
4261         (*sse2_ior<mode>3): Likewise.
4262         (iortf3): Likewise.
4263         (*iortf3): Likewise.
4264         (xor<mode>3): Likewise.
4265         (*sse_xor<mode>3): Likewise.
4266         (*sse2_xor<mode>3): Likewise.
4267         (xortf3): Likewise.
4268         (*xortf3): Likewise.
4269
4270 2008-04-02  Richard Guenther  <rguenther@suse.de>
4271
4272         PR tree-optimization/14495
4273         PR tree-optimization/34793
4274         * tree-vrp.c (struct switch_update): New structure.
4275         (to_remove_edges, to_update_switch_stmts): New VECs.
4276         (simplify_switch_using_ranges): New function.  Remove not taken
4277         case labels and edges.
4278         (simplify_stmt_using_ranges): Call it.
4279         (identify_jump_threads): Mark edges we have queued for removal
4280         so we don't thread them.
4281         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
4282         case label vector.
4283         * tree-cfg.c (group_case_labels): Deal with missing default label.
4284         (tree_verify_flow_info): Allow missing default label.
4285         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
4286         (emit_case_nodes): Likewise.
4287         (expand_case): Do not rely on the default label to be present.
4288         * expr.c (try_casesi): Deal with NULL default_label.
4289         (do_tablejump): Likewise.
4290
4291 2008-04-02  Richard Guenther  <rguenther@suse.de>
4292
4293         PR tree-optimization/14495
4294         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
4295         SWITCH_EXPR here ...
4296         (vrp_visit_switch_stmt): ... but here (new function).
4297         (find_case_label_index): New helper function.
4298         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
4299
4300 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4301
4302         * fwprop.c: Fix ISO-C99ism.
4303
4304 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4305
4306         PR bootstrap/35752
4307         * Makefile.in (objdir): Set it here.
4308         * configure.ac: Not here.  Find dynamic linker characteristics.
4309         * exec-tool.in: Use them.
4310         * aclocal.m4: Regenerate.
4311         * configure: Regenerate.
4312
4313 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4314
4315         * expr.c (expand_var): Delete it.
4316         * expr.h (expand_var): Delete prototype.
4317         * function.c (expand_function_start): Use expand_decl instead.
4318         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
4319         langhook.
4320
4321 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
4322
4323         PR rtl-optimization/35542
4324         * fwprop.c (forward_propagate_and_simplify): Replace
4325         loc_reg_mentioned_in_p with reg_mentioned_p.
4326
4327 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
4328
4329         PR rtl-optimization/35281
4330         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
4331         (propagate_rtx_1): Handle PR_HANDLE_MEM.
4332         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
4333         (varying_mem_p): Move above propagate_rtx.
4334         (all_uses_available_at): Do not check MEMs.
4335
4336 2008-04-02  Rafael Espindola  <espindola@google.com>
4337
4338         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
4339         (register_edge_assert_for_2): Split the cond argument.
4340         (register_edge_assert_for_1): Adjust for the change in
4341         register_edge_assert_for_2.
4342         (register_edge_assert_for): Split the cond argument.
4343         (find_switch_asserts): Adjust for the change in
4344         register_edge_assert_for.
4345
4346 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
4347
4348         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
4349         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
4350         offsets for 64-bit mingw.
4351         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
4352         abi for x86_64-pc-mingw.
4353
4354 2008-04-02  Richard Guenther  <rguenther@suse.de>
4355
4356         * tree-vrp.c (extract_range_from_assert): Make sure to not
4357         produce range min/max with TREE_OVERFOW set.
4358         If merging a anti-range and a range keep the anti-range if
4359         the range covers all values of the type.
4360         (register_edge_assert_for_2): Only allow sign-changing
4361         conversions in detecting canonical range checks.  Also
4362         register an assert for the unsigned name if useful.
4363
4364         PR tree-optimization/35787
4365         * tree-vrp.c (vrp_val_max): New function.
4366         (vrp_val_min): Likewise.
4367         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
4368         (vrp_val_is_min): Likewise.
4369         (supports_overflow_infinity): Use vrp_val_{min,max}.
4370         (negative_overflow_infinity): Likewise.
4371         (positive_overflow_infinity): Likewise.
4372         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
4373         (is_positive_overflow_infinity): Likewise.
4374         (is_overflow_infinity): Likewise.
4375         (avoid_overflow_infinity): Use vrp_val_{min,max} and
4376         vrp_val_is_{min,max}.
4377         (set_and_canonicalize_value_range): Canonicalize anti-ranges
4378         to ranges if possible.  Avoid empty ranges.
4379
4380 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4381
4382         PR middle-end/35705
4383         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
4384         the expression is a function address.
4385
4386 2008-04-01  George Helffrich  <george@gcc.gnu.org>
4387
4388         PR fortran/35154, fortran/23057
4389         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
4390         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
4391         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
4392         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
4393         in common.
4394         (dbxout_syms): Check for COMMON-based symbol and wrap in
4395         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
4396         in bracket for efficiency.
4397
4398         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
4399         using DW_TAG_common_block + member offset.
4400         (add_pubname_string): New function.
4401         (dw_expand_expr): New function to find block name and offset for
4402         COMMON var.
4403         (common_check): New function to check whether symbol in Fortran COMMON.
4404         (gen_variable_die): If COMMON, use DW_TAG_common_block.
4405
4406 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
4407
4408         PR c/35436
4409         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
4410
4411 2008-04-02  Ben Elliston  <bje@au.ibm.com>
4412
4413         * config/v850/v850.md (casesi): Remove if (0) code.
4414         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
4415         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
4416
4417 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
4418
4419         * config/i386/i386.md (rex64suffix): New mode attribute.
4420         (floathi<mode>2): Disable expander for SSE math.
4421         (*floathi<mode>2_1): New insn insn_and_split pattern.
4422         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
4423         corresponding post-reload splitters.
4424         (*floathi<mode>2_i387): New macroized insn pattern.
4425         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
4426         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
4427         insn_and_split pattern.
4428         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
4429         New macroized instruction patterns and corresponding post-reload
4430         splitters.
4431         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
4432         and corresponding post-reload splitters.
4433         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
4434         New macroized instruction patterns.
4435         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
4436         macroized instruction patterns and corresponding post-reload splitters.
4437         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
4438         corresponding post-reload splitters.
4439         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
4440         New macroized instruction patterns.
4441         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
4442         corresponding post-reload splitters.
4443         (*floatsi<mode>2_i387): New macroized instruction patterns.
4444
4445 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
4446
4447         * config/i386/i386.md (smaxmin): New.
4448         (umaxmin): Likewise.
4449         (maxminiprefix): Likewise.
4450         (maxminfprefix): Likewise.
4451         (<code><mode>3): Likewise.
4452         (smin<mode>3): Removed.
4453         (smax<mode>3): Likewise.
4454
4455         * config/i386/mmx.md (mmx_<code>v2sf3): New.
4456         (mmx_<code>v4hi3): Likewise.
4457         (mmx_<code>v8qi3): Likewise.
4458         (mmx_smaxv2sf3): Removed.
4459         (mmx_sminv2sf3): Likewise.
4460         (mmx_umaxv8qi3): Likewise.
4461         (mmx_smaxv4hi3): Likewise.
4462         (mmx_uminv8qi3): Likewise.
4463         (mmx_sminv4hi3): Likewise.
4464
4465         * config/i386/sse.md (<addsub><mode>3): New.
4466         (*<addsub><mode>3): Likewise.
4467         (<sse>_vm<addsub><mode>3): Likewise.
4468         (<maxmin><mode>3): Likewise.
4469         (*<maxmin><mode>3_finite): Likewise.
4470         (*<maxmin><mode>3): Likewise.
4471         (<sse>_vm<maxmin><mode>3): Likewise.
4472         (sse3_h<addsub>v4sf3): Likewise.
4473         (sse3_h<addsub>v2df3): Likewise.
4474         (<maxmin>v16qi3): Likewise.
4475         (*<maxmin>v16qi3): Likewise.
4476         (<maxmin>v8hi3): Likewise.
4477         (*<maxmin>v8hi3): Likewise.
4478         (*sse4_1_<maxmin><mode>3): Likewise.
4479         (*sse4_1_<maxmin><mode>3): Likewise.
4480         (add<mode>3): Removed.
4481         (*add<mode>3): Likewise.
4482         (<sse>_vmadd<mode>3): Likewise.
4483         (sub<mode>3): Likewise.
4484         (*sub<mode>3): Likewise.
4485         (<sse>_vmsub<mode>3): Likewise.
4486         (smin<mode>3): Likewise.
4487         (*smin<mode>3_finite): Likewise.
4488         (*smin<mode>3): Likewise.
4489         (<sse>_vmsmin<mode>3): Likewise.
4490         (smax<mode>3): Likewise.
4491         (*smax<mode>3_finite): Likewise.
4492         (*smax<mode>3): Likewise.
4493         (<sse>_vmsmax<mode>3): Likewise.
4494         (sse3_haddv4sf3): Likewise.
4495         (sse3_haddv2df3): Likewise.
4496         (sse3_hsubv4sf3): Likewise.
4497         (sse3_hsubv2df3): Likewise.
4498         (umaxv16qi3): Likewise.
4499         (*umaxv16qi3): Likewise.
4500         (smaxv8hi3): Likewise.
4501         (*smaxv8hi3): Likewise.
4502         (*sse4_1_smax<mode>3): Likewise.
4503         (*sse4_1_umax<mode>3): Likewise.
4504         (uminv16qi3): Likewise.
4505         (*uminv16qi3): Likewise.
4506         (sminv8hi3): Likewise.
4507         (*sminv8hi3): Likewise.
4508         (*sse4_1_smin<mode>3): Likewise.
4509         (*sse4_1_umin<mode>3): Likewise.
4510
4511 2008-04-01  Rafael Espindola  <espindola@google.com>
4512
4513         * tree-cfg.c (verify_expr): remove in_phi.
4514         (verify_stmt): Don't call walk_tree with verify_expr. Use
4515         is_gimple_min_invariant instead of is_gimple_val.
4516
4517 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
4518
4519         * doc/include/gpl_v3.texi: Update for manpage generation.
4520         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
4521         gpl.texi.
4522         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
4523         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
4524         gpl_v3.texi instead of gpl.texi.
4525         (gpl.pod): New.
4526
4527 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
4528
4529         PR pch/13675
4530         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
4531
4532 2008-04-01  Rafael Espindola  <espindola@google.com>
4533
4534         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
4535         (extract_code_and_val_from_cond): Use
4536         extract_code_and_val_from_cond_with_ops.
4537
4538 2008-04-01  Jan Hubicka  <jh@suse.cz>
4539
4540         * function.c (free_after_compilation): Free epilogue_delay_list.
4541         (prepare_function_start): Assert that previous compilation was freed.
4542
4543 2008-04-01  Jan Hubicka  <jh@suse.cz>
4544             Jim Wilson  <wilson@tuliptree.org>
4545             Andreas Tobler <andreast@gcc.gnu.org>
4546
4547         PR middle-end/35781
4548         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
4549         rtl.emit instead cfun->emit.
4550         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
4551         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
4552
4553 2008-04-01  Ben Elliston  <bje@au.ibm.com>
4554
4555         * doc/c-tree.texi (Function Basics): Fix grammatical error.
4556
4557 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
4558
4559         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
4560         New options
4561         (fprofile-use): Add var flag_profile_use
4562         * coverage.c (coverage_begin_output): Do not open a gcno file for
4563         output only if -ftest-coverage is set.
4564         Do not add getpwd() to gcda file path.
4565         (build_gcov_info): Check the new flag
4566         flag_profile_datafile_relative_path.
4567         (coverage_init): Use profile_data_prefix.
4568         Read profile counter only if flag_profile_use is set.
4569         * opts.c (common_handle_option): New option fprofile-use=,
4570         fprofile-dir=, fprofile-generate=.
4571         * toplev.c (profile_data_prefix): New variable definition.
4572         * toplev.h (profile_data_prefix): New declaration.
4573         * doc/invoke.tex (Option Summary, Optimization Options):
4574         Add new options.
4575
4576 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
4577
4578         * varasm.c (output_constant_pool_1): In LABEL_REF check,
4579         use tmp consistently.
4580
4581         PR target/35695
4582         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
4583         * config/ia64/ia64.c (rtx_needs_barrier): Handle
4584         UNSPEC_FR_RECIP_APPROX_RES.
4585         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
4586
4587 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
4588
4589         PR c/35750
4590         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
4591
4592 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4593
4594         PR middle-end/30186
4595         * fold-const.c (fold_indirect_ref_1): Support accessing non first
4596         element of the vector via a pointer.
4597
4598 2008-03-31  Ian Lance Taylor  <iant@google.com>
4599
4600         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
4601
4602 2008-03-31  Jan Hubicka  <jh@suse.cz>
4603
4604         * builtins.c (expand_builtin_setjmp_receiver): Update call of
4605         get_arg_pointer_save_area.
4606         * expr.c (init_expr): Just clear out rtl.expr.
4607         * function.c (free_after_compilation): Clear out whole RTL structure.
4608         (get_func_frame_size): Merge into ...
4609         (get_frame_size): ... this one.
4610         (assign_stack_local_1): Merge into ...
4611         (assign_stack_local): ... this one.
4612         (expand_function_end): Update call of get_arg_pointer_save_area.
4613         (get_art_pointer_save_area): Remove cfun argument.
4614         * function.h (emit_status): regno_pointer_align does not need length
4615         attribute. Move x_regno_reg_rtx to ...
4616         (regno_reg_rtx): ... new global array.
4617         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
4618         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
4619         apply_args_value, forced_labels, stack_pointer_delta):
4620         Update accestors.
4621         (struct varasm_status): Move here from varasm.c
4622         (struct rtl_data): New. Move here some fields from struct function.
4623         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
4624         frame_offset, stack_check_probe_note, arg_pointer_save_area,
4625         used_temp_slots avail_temp_slots, temp_slot_level,
4626         nonlocal_goto_handler_labels): Update accesstors.
4627         (rtl): New global variable.
4628         (struct function): Move some fileds to rtl_data.
4629         (get_arg_pointer_save_area): Update prototype.
4630         * emit-rtl.c (rtl): Declare.
4631         (regno_reg_rtx): Declare.
4632         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
4633         Update.
4634         (gen_reg_rtx): Update.
4635         (init_virtual_regs): Do not tate emit_status argument.
4636         (init_emit): Do not allocate emit.
4637         * varasm.c (varasm_statuc): Move to function.h.
4638         (n_deferred_constatns): Update accestor.
4639         (init_varasm_status): Do not allocate varasm_status.
4640         (force_const_mem, get_pool_size, output_constant_pool): Update.
4641         * stmt.c (force_label_rtx): Do not use x_ prefixes.
4642         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
4643
4644 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
4645
4646         PR rtl-optimization/35729
4647         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
4648         references.
4649
4650 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
4651
4652         PR target/32000
4653         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
4654         load/store if memory is unaligned.
4655         (*movti_rex64): Likewise.
4656
4657         * config/i386/predicates.md (misaligned_operand): New.
4658
4659 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
4660
4661         PR tree-opt/35431
4662         * tree-ssa-phiopt.c (conditional_replacement): Return early for
4663         complex types.
4664
4665 2008-03-31  Jan Beulich  <jbeulich@novell.com>
4666
4667         * config/ia64/constraints.md: Add 'j' constraint.
4668         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
4669         (movdi_internal): Likewise.
4670
4671 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
4672
4673         PR c/35748
4674         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
4675
4676 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
4677
4678         PR target/35757
4679         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
4680         proper error message for the third argument on blendpd and
4681         blendps.
4682
4683         * config/i386/sse.md (blendbits): New.
4684         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
4685
4686 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
4687
4688         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
4689
4690 2008-03-30  Richard Guenther  <rguenther@suse.de>
4691
4692         PR middle-end/31023
4693         * fold-const.c (fold_sign_changed_comparison): Do leave
4694         conversions to base-types alone.
4695
4696 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4697
4698         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
4699         the link register if one altivec register is be saved.
4700
4701 2008-03-30  Ben Elliston  <bje@au.ibm.com>
4702
4703         * final.c (final_scan_insn): Remove if (0) code.
4704
4705 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
4706
4707         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
4708
4709 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
4710
4711         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
4712         of V4SFmode to ix86_binary_operator_ok.
4713
4714 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
4715
4716         * config/i386/i386.c (override_options): Initialize
4717         ix86_veclib_handler to ix86_veclibabi_svml when
4718         -mveclibabi=svml is used.
4719         (ix86_veclibabi_svml): New function for SVML ABI style
4720         vectorization support.
4721         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
4722
4723 2008-03-28  Rafael Espindola  <espindola@google.com>
4724
4725         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
4726         (tree_binary_nonnegative_warnv_p): Make it public.
4727         (tree_single_nonnegative_warnv_p): Make it public.
4728         (tree_invalid_nonnegative_warnv_p): Make it public.
4729         (tree_unary_nonzero_warnv_p): Make it public.
4730         (tree_binary_nonzero_warnv_p): Make it public
4731         (tree_single_nonzero_warnv_p): Make it public.
4732         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
4733         (extract_range_from_binary_expr): Split the expr argument.
4734         (extract_range_from_unary_expr): Split the expr argument.
4735         (extract_range_from_comparison): Split the expr argument.
4736         (extract_range_from_expr): Use the new aux functions.
4737         (vrp_evaluate_conditional_warnv): Use
4738         vrp_evaluate_conditional_warnv_with_ops.
4739         * tree.h (tree_unary_nonzero_warnv_p): Declare.
4740         (tree_binary_nonzero_warnv_p): Declare.
4741         (tree_single_nonzero_warnv_p): Declare.
4742         (tree_expr_nonzero_warnv_p): Declare.
4743         (tree_unary_nonnegative_warnv_p): Declare.
4744         (tree_binary_nonnegative_warnv_p): Declare.
4745         (tree_single_nonnegative_warnv_p): Declare.
4746         (tree_invalid_nonnegative_warnv_p): Declare.
4747
4748 2008-03-28  Richard Guenther  <rguenther@suse.de>
4749
4750         PR tree-optimization/30317
4751         PR tree-optimization/30911
4752         PR tree-optimization/34793
4753         * tree-vrp.c (set_and_canonicalize_value_range): New function.
4754         (struct assert_locus_d): New member EXPR.
4755         (register_new_assert_for): Add EXPR parameter to support
4756         ASSERT_EXPR <name, expr OP limit>.
4757         (register_edge_assert_for_1): Adjust callers.
4758         (find_assert_locations): Likewise.
4759         (process_assert_insertions_for): Build condition from expression.
4760         (extract_range_from_assert): Handle ASSERT_EXPRs
4761         of the form ASSERT_EXPR <name, expr OP limit>.
4762         (register_edge_assert_for_2): New helper registering
4763         asserts for comparisons.  Recognize range tests of the form
4764         (unsigned)i - CST1 OP CST2.
4765         (register_edge_assert_for_1): Use it.
4766         (register_edge_assert_for): Likewise.
4767         (needs_overflow_infinity): Integer sub-types
4768         do not need overflow infinities.
4769         (vrp_val_is_max): The extreme values of integer sub-types
4770         are those of the base type.
4771         (vrp_val_is_min): Likewise.
4772         * tree.def (ASSERT_EXPR): Document extra allowed conditional
4773         expressions.
4774
4775 2008-03-28  Nick Clifton  <nickc@redhat.com>
4776
4777         PR target/31110
4778         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4779         Return GENERAL_REGS for stack adjustment reloads.
4780
4781 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4782
4783         PR target/31334
4784         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
4785         const_vector when all the vectors are constant.
4786
4787 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
4788
4789         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
4790         comparisons.
4791         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
4792         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
4793         (scc_sf): New.
4794         (s<code>_sf): Use new scc_sf attribute for opcode names.
4795
4796 2008-03-27  Tom Tromey  <tromey@redhat.com>
4797
4798         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
4799         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
4800         config/spu/t-spu-elf, config/i386/t-interix,
4801         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
4802         config/i386/x-darwin, config/i386/x-mingw32,
4803         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
4804         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
4805         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
4806         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
4807         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
4808         config/rs6000/x-darwin, config/rs6000/t-rs6000,
4809         config/score/t-score-elf, config/arm/t-strongarm-pe,
4810         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
4811         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
4812         Revert automatic dependency patch.
4813
4814 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
4815
4816         PR target/35657
4817         * config/i386/i386.c (ix86_function_arg_boundary): Align
4818         decimal floating point to its natural boundary.
4819
4820 2008-03-27  Richard Guenther  <rguenther@suse.de>
4821
4822         PR middle-end/35716
4823         * fold-const.c (fold_comparison): Restrict distinct decl
4824         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
4825         solely rely on operand_equal_p.
4826
4827 2008-03-27  Richard Guenther  <rguenther@suse.de>
4828
4829         PR c/32511
4830         * c-common.c (handle_weak_attribute): Reject combination of
4831         weak and inline.
4832
4833 2008-03-27  Richard Guenther  <rguenther@suse.de>
4834
4835         PR tree-optimization/32810
4836         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
4837         conversions from DECL_INITIAL.
4838         (fold_const_aggregate_ref): Likewise from constructor elements.
4839
4840 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
4841
4842         * tree-affine.h (aff_combination_expand): Declare.
4843         (get_inner_reference_aff): Likewise.
4844         * tree-affine.c (aff_combination_expand): Split out from
4845         tree_to_aff_combination_expand.
4846         (get_inner_reference_aff): New function.
4847         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
4848         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
4849         (struct lim_aux_data): sm_done field removed.
4850         (mem_ref_loc_p, mem_ref_locs_p): New types.
4851         (struct mem_ref): Added id, stored, accesses_in_loop,
4852         indep_loop, dep_loop, indep_ref, dep_ref fields.
4853         Removed is_stored, locs and next fields.
4854         (memory_accesses): New variable.
4855         (movement_possibility): Do not allow moving statements
4856         that store to memory.
4857         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
4858         New functions.
4859         (determine_max_movement): For statements with memory references,
4860         find the outermost loop in that the reference is independent.
4861         (move_computations_stmt): Mark the virtual operands for renaming.
4862         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
4863         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
4864         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
4865         add_vop_ref_mapping, create_vop_ref_mapping_loop,
4866         create_vop_ref_mapping, analyze_memory_references,
4867         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
4868         get_all_locs_in_loop, ref_always_accessed_p,
4869         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
4870         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
4871         store_motion_loop, store_motion): New functions.
4872         (struct vop_to_refs_elt): New type.
4873         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
4874         memref_hash, memref_eq, hoist_memory_references): Rewritten.
4875         (schedule_sm): Replaced by...
4876         (execute_sm): ... this.
4877         (determine_lsm_ref, hoist_memory_references,
4878         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
4879         find_more_ref_vops, free_mem_ref, free_mem_refs,
4880         determine_lsm_loop, determine_lsm): Removed.
4881         (tree_ssa_lim_finalize): Free data structures used by store motion.
4882         (tree_ssa_lim): Call analyze_memory_references.  Use
4883         store_motion instead of determine_lsm.
4884
4885 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4886
4887         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
4888         rename tmake_file to m68hc11/t-m68hc11.
4889         (mcore): Set inhibit_libc to true.
4890         * config.host (alpha*-dec-*vms*): Set extra_programs.
4891         (interix3*): Don't use host_xmake_file.
4892         * configure.ac: Let config.gcc override inhibit_libc.
4893         * configure: Regenerate.
4894
4895         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
4896         * config/t-openbsd-thread: Remove commented out lines.
4897         
4898         * config/x-interix: Remove.
4899
4900         * config/m68hc11/t-m68hc11-gas: Rename to...
4901         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
4902
4903         * config/mcore/t-mcore: Remove T_CFLAGS.
4904         * config/mcore/t-mcore-pe: Likewise.
4905
4906 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
4907
4908         * configure.ac: Replace custom __GNU_SOURCE test with
4909         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
4910         * aclocal.m4: Regenerate.
4911         * configure: Regenerate.
4912         * config.in: Regenerate.
4913
4914 2008-03-27  Richard Guenther  <rguenther@suse.de>
4915
4916         * fold-const.c (target.h): Include.
4917         (fold_comparison): Fold comparison of addresses of decls
4918         that bind locally or of constants.  Consolidate address folding code.
4919         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
4920         results from fold_binary_to_constant.
4921         (compare_values_warnv): Likewise.
4922
4923 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
4924
4925         PR middle-end/35429
4926         * fold-const.c (fold_truthop): Check for integeral types when folding
4927         a == 0 && b == 0 and a != 0 || b != 0 .
4928
4929 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
4930
4931         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
4932
4933 2008-03-26  Andreas Schwab  <schwab@suse.de>
4934
4935         * doc/invoke.texi: Fix use of @item vs. @itemx.
4936
4937 2008-03-26  Tom Tromey  <tromey@redhat.com>
4938
4939         * Makefile.in (build/gensupport.o, build/print-rtl.o,
4940         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
4941         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
4942         build/gencodes.o, build/genconditions.o, build/genconfig.o,
4943         build/genconstants.o, build/genemit.o, build/genextract.o,
4944         build/genflags.o, build/genmddeps.o, build/genopinit.o,
4945         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
4946         options.h.
4947
4948 2008-03-26  Richard Guenther  <rguenther@suse.de>
4949
4950         Revert
4951         2008-03-26  Richard Guenther  <rguenther@suse.de>
4952
4953         * fold-const.c (target.h): Include.
4954         (fold_comparison): Fold comparison of addresses of two decls
4955         that bind locally.  Consolidate address folding code.
4956
4957 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4958
4959         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
4960         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
4961         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
4962         dconstsqrt2, dconstthird, dconste and/or dconst10.
4963         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
4964         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
4965         dconstsqrt2, dconste): Delete.
4966         (init_emit_once): Likewise.  Simplify initializing dconstm1.
4967         Constify variable.
4968         * real.c (get_real_const): New.
4969         * real.h (dconst3, dconst10, dconstm2, dconstthird,
4970         dconstsqrt2, dconste): Delete.
4971         (real_value_const, get_real_const): New.
4972
4973 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
4974
4975         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
4976
4977         * config/i386/i386.c (ix86_function_arg_boundary): Check
4978         BIGGEST_ALIGNMENT instead of 128.
4979         (setup_incoming_varargs_64): Likewise.
4980
4981 2008-03-26  Tom Tromey  <tromey@redhat.com>
4982
4983         * Makefile.in (DEPFILES): Add missing '/'.
4984
4985 2008-03-26  Richard Guenther  <rguenther@suse.de>
4986
4987         * fold-const.c (target.h): Include.
4988         (fold_comparison): Fold comparison of addresses of two decls
4989         that bind locally.  Consolidate address folding code.
4990
4991 2008-03-26  Nick Clifton  <nickc@redhat.com>
4992
4993         PR target/31232
4994         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
4995         not allow INT+INT as a legitimate addressing mode.
4996
4997 2008-03-26  Richard Guenther  <rguenther@suse.de>
4998
4999         * tree-flow.h (widen_bitfield): Remove declaration.
5000         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
5001         (widen_bitfield): Remove function.
5002         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
5003         code.
5004
5005 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5006
5007         PR target/31558
5008         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
5009         error_mark_node's.
5010
5011 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
5012
5013         PR rtl-optimization/35232
5014         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
5015         (forget_old_reloads_1, forget_marked_reloads): Don't clear
5016         reg_reloaded_call_part_clobbered here.
5017         (reload_regs_reach_end_p): New function.
5018         (reload_reg_rtx_for_input): New variable.
5019         (reload_reg_rtx_for_output): Likewise.
5020         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
5021         when reassigning a pseudo register.  Load reloadreg from 
5022         reload_reg_rtx_for_input, moving the mode and register
5023         calculation to...
5024         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
5025         instead of the original when deciding whether an input reload
5026         would be a no-op or whether an output reload can be deleted.
5027         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
5028         when setting up new_spill_reg_store.  Load it from
5029         reload_reg_rtx_for_output, moving the mode and register
5030         calculation to...
5031         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
5032         instead of the original when deciding whether an output reload
5033         would be a no-op.  Do the same when modifying insn notes.
5034         Use rtx_equal_p instead of == to compare the registers.
5035         (inherit_piecemeal_p): Take a mode and two register numbers
5036         as argument.
5037         (emit_reload_insns): Clear new_spill_reg_store for every hard
5038         register in the reload register.  Remove spill registers
5039         from reg_reloaded_valid before considering whether to record
5040         inheritance information for them.  Use reload_reg_rtx_for_output
5041         instead of reg_rtx when recording output reloads.  Use
5042         reload_reg_rtx_for_input instead of reg_rtx when recording
5043         input reloads.  Set or clear reg_reloaded_call_part_clobbered
5044         at the same time as setting reg_reloaded_valid.
5045         (delete_output_reload): Add a new_reload_reg parameter and use it
5046         instead of rld[j].reg_rtx.
5047         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
5048         calls accordingly.
5049
5050 2008-03-25  Tom Tromey  <tromey@redhat.com>
5051
5052         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
5053         (build/genattr.o): Likewise.
5054         (build/genattrtab.o): Likewise.
5055         (build/gencodes.o): Likewise.
5056         (build/genconfig.o): Likewise.
5057         (build/genconstants.o): Likewise.
5058         (build/genemit.o): Likewise.
5059         (build/genextract.o): Likewise.
5060         (build/genflags.o): Likewise.
5061
5062 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
5063         
5064         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
5065         instead of size_int for integer types.
5066         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
5067         to match type of MINUS_EXPR.
5068         
5069 2008-03-25  Tom Tromey  <tromey@redhat.com>
5070
5071         * configure: Rebuilt.
5072         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
5073         Makefile.
5074
5075 2008-03-25  Tom Tromey  <tromey@redhat.com>
5076
5077         * config/x-solaris (host-solaris.o): Update.
5078         * config/x-linux (host-linux.o): Update.
5079         * config/x-hpux (host-hpux.o): Update.
5080         * config/x-darwin (host-darwin.o): Update.
5081         * config/v850/t-v850e (v850-c.o): Update.
5082         * config/v850/t-v850 (v850-c.o): Update.
5083         * config/t-vxworks (vxworks.o): Update.
5084         * config/t-sol2 (sol2-c.o, sol2.o): Update.
5085         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
5086         * config/spu/t-spu-elf (spu-c.o): Update.
5087         (spu.o): Remove.
5088         * config/sh/t-symbian (sh-c.o): Update.
5089         (symbian.o): Update.
5090         * config/sh/t-sh (sh-c.o): Update.
5091         * config/score/t-score-elf (score7.o, score3.o): Update.
5092         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
5093         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
5094         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
5095         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
5096         (rs6000.o): Remove.
5097         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
5098         * config/m32c/t-m32c (m32c-pragma.o): Update.
5099         * config/ia64/t-ia64 (ia64-c.o): Update.
5100         * config/i386/x-mingw32 (host-mingw32.o): Update.
5101         * config/i386/x-i386 (driver-i386.o): Update.
5102         * config/i386/x-darwin (host-i386-darwin.o): Update.
5103         * config/i386/x-cygwin (host-cygwin.o): Update.
5104         * config/i386/t-nwld (nwld.o): Update.
5105         * config/i386/t-netware (netware.o): Update.
5106         * config/i386/t-interix (winnt.o): Update.
5107         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
5108         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
5109         msformat-c.o): Update.
5110         * config/bfin/t-bfin-linux (generated_files): Add
5111         linux-sysroot-suffix.h.
5112         * config/arm/t-wince-pe (pe.o): Update.
5113         * config/arm/t-strongarm-pe (pe.o): Update.
5114         * config/arm/t-pe (pe.o): Update.
5115         * config/arm/t-arm (arm-c.o): Update.
5116         * doc/install.texi (Prerequisites): Require make 3.80.
5117         * Makefile.in: Remove .o targets.
5118         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
5119         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
5120         (simple_generated_h, simple_generated_c): Move earlier.
5121         (generated_files): New variable.
5122         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
5123         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
5124         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
5125         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
5126         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
5127         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
5128         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
5129         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
5130         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
5131         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
5132         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
5133         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
5134         (.c.o): Remove.
5135         (COMPILE.base, COMPILE): New variables.
5136         (%.o): New pattern rule.
5137         (ALL_HOST_OBJS): New variable.
5138         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
5139         (dummy-checksum.o, cc1-checksum.o): Remove.
5140         (DRIVER_SHLIB): New variable.
5141         (DRIVER_DEFINES): Use it.
5142         (gencondmd.c): Move out of build/.
5143         (s-conditions): Update.
5144         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
5145         (ALL_BUILD_OBJS): Likewise.
5146         (build/%.o): Use BUILDCOMPILE.
5147         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
5148         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
5149         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
5150         build/gencheck.o, build/gencodes.o, build/genconditions.o,
5151         build/genconfig.o, build/genconstants.o, build/genemit.o,
5152         build/genextract.o, build/genflags.o, build/genmddeps.o,
5153         build/genopinit.o, build/genoutput.o, build/genpeep.o,
5154         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
5155         build/gen-protos.o, build/scan.o, build/fix-header.o,
5156         build/scan-decls.o): Simplify.
5157         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
5158         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
5159         prefix.o, toplev.o): Reduce to variable setting.
5160         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
5161         ($(out_object_file), gcc-options.o): New targets.
5162         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
5163         * configure: Rebuilt.
5164         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
5165         * doc/sourcebuild.texi (Front End Directory): Document new variable.
5166
5167 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
5168
5169         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
5170         complain when we hit an error, return ERROR_MARK_NODE.
5171
5172 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5173
5174         * config/sh/constraints.md (Pso, Psz): New constraints.
5175         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
5176         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
5177
5178 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5179
5180         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
5181         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
5182
5183 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
5184
5185         * config/sh/sh.md (prefetch): Add condition for SH2A target.
5186         (prefetch_sh2a): New.   
5187
5188 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5189             Naveen.H.S  <naveen.hs@kpitcummins.com>
5190
5191         * config/sh/constraints.md (I28): New constraint.
5192         * config/sh/sh.c (broken_move): Add support for movi20s.
5193         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
5194
5195 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
5196             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
5197             Naveen.H.S  <naveen.hs@kpitcummins.com>
5198
5199         * config/sh/sh.c (SH_ATTRIBUTES): Define.
5200         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
5201         (print_operand): Handle resbank in %@ operand code.
5202         (sh_encode_section_info): New.
5203         (push_regs): Add conditions for resbank.
5204         (sh_expand_epilogue): Likewise.
5205         (sh_insert_attributes): Likewise.
5206         (sh_attribute_table): Likewise.
5207         (sh_handle_resbank_handler_attribute): New.
5208         (sh2a_handle_function_vector_handler_attribute): New.
5209         (sh2a_is_function_vector_call): New.
5210         (sh2a_get_function_vector_number): New.
5211         (sh2a_function_vector_p): New.
5212         (sh_cfun_resbank_handler_p): New.
5213         * config/sh/sh.md (calli): Emit jsr/n if possible.
5214         (calli_tbr_rel): New.
5215         (calli_pcrel): Emit jsr/n if possible.
5216         (return_i): Emit rts/n if possible.
5217         (call_valuei_tbr_rel): New.
5218         (call_valuei_pcrel): Add condition for SH2A target.
5219         (call_value): Likewise.
5220         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
5221         (sh2a_get_function_vector_number): Likewise.
5222         (sh2a_is_function_vector_call): Likewise.
5223         * doc/extend.texi: Document TBR relative addressing of SH2A.
5224         (resbank): Add description for SH2A.
5225
5226 2008-03-24  Richard Guenther  <rguenther@suse.de>
5227
5228         PR c/22371
5229         * gimplify.c (gimplify_modify_expr): For frontend type-correct
5230         pointer assignments change conversions according to middle-end rules.
5231         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
5232         * configure.ac: Include type checking in yes.
5233         * configure: Regenerate.
5234
5235 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5236
5237         * diagnostic.c (diagnostic_count_diagnostic): Delete.
5238         (diagnostic_report_diagnostic): Update. Handle ICEs here.
5239         
5240 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
5241
5242         * gthr-vxworks.h (UNUSED): Define.
5243
5244 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
5245
5246         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
5247
5248 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
5249
5250         * doc/extend.texi (Function Attributes): Add missing comma in the
5251         example of the "alloc_size" attribute.
5252         
5253 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
5254
5255         Revert:
5256         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
5257
5258         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5259         32bit host.
5260
5261         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5262
5263         PR target/35496
5264         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5265         of the underlying type of a MS bitfield layout to the natural
5266         alignment of the type.
5267
5268         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5269
5270         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5271         to their natural alignment to avoid store forwarding stalls.
5272
5273 2008-03-22  Richard Guenther  <rguenther@suse.de>
5274
5275         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
5276         For PHI nodes verify the address is invariant.
5277         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
5278         (get_symbol_constant_value): Use is_gimple_min_invariant.
5279         (maybe_fold_stmt_indirect): Likewise.
5280
5281 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
5282
5283         PR rtl-optimization/33927
5284         * Makefile.in (dse.o): Depend on $(TM_P_H).
5285         * expr.h (extract_low_bits): Declare.
5286         * expmed.c (extract_low_bits): New function.
5287         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
5288         * dse.c: Include tm_p.h.
5289         (find_shift_sequence): Remove the read_reg argument and return the
5290         read value.  Emit the instructions instead of returning them.
5291         Iterate on new_mode rather than calculating it each time.
5292         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
5293         source to NEW_MODE and extract_low_bits to convert the shifted
5294         value to READ_MODE.
5295         (replace_read): Allow the load and store to have different mode
5296         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
5297         or extraction instructions before trying the replacement.  Update
5298         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
5299
5300 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
5301
5302         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
5303         to their natural alignment to avoid store forwarding stalls.
5304
5305 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5306
5307         PR target/27946
5308         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
5309         encouraging but not allowing gprs for input;
5310         change the input constraint to !f#r.
5311         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
5312         gprs for output;
5313         change the output constraint to !f#r.
5314
5315 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
5316
5317         PR target/13958
5318         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
5319         corresponding post-reload splitters.
5320         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
5321         when x87 FP math is selected.
5322         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
5323         New function prototype.
5324         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
5325         unreachable function to ease macroization of insn patterns.
5326
5327 2008-03-21  Martin Jambor  <mjambor@suse.cz>
5328
5329         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
5330         reference dumps if ddr is NULL or dependence is unknown.
5331
5332 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5333
5334         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
5335         unsigned extension into account.
5336         (ATOMIC_COMPARE_AND_SWAP): Likewise.
5337         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
5338         Do computations on a scratch register.
5339
5340 2008-03-21  Richard Guenther  <rguenther@suse.de>
5341
5342         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
5343         Use is_gimple_min_invariant instead of TREE_INVARIANT.
5344         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
5345         * tree-ssa-dom.c (record_equality): Likewise.
5346         * tree-inline.c (copy_body_r): Likewise.
5347         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
5348         TREE_INVARIANT.
5349
5350 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
5351
5352         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
5353         as 'delete_unused' argument.
5354
5355 2008-03-20  Richard Guenther  <rguenther@suse.de>
5356
5357         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5358         special casing of constant qualifiers.
5359         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
5360         care about them in general.
5361         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
5362         regardless of their type.
5363         (fold_stmt_r): Forcefully fold *& if we end up with that.
5364
5365 2008-03-20  Paul Brook  <paul@codesourcery.com>
5366
5367         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
5368         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
5369         linker flags.
5370         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
5371         definition.
5372         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
5373         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
5374
5375 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
5376
5377         * common.opt (Wmudflap): New option.
5378         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
5379         (mx_register_decls): Likewise.
5380         (mudflap_finish_file): Likewise.
5381         * doc/invoke.texi: Document -Wno-mudflap.
5382
5383 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
5384
5385         * c-format.c (replace_format_name_to_system_name): New.
5386         (cmp_attribs): New.
5387         (convert_format_name_to_system_name): New.
5388         (decode_format_attr): Add use of convert_format_name_to_system_name.
5389         (format_types_orig): Add gnu_ prefix to names.
5390         (check_format_info_main): Special treating of \0 escaped names for
5391         supporting multi-character format specifiers as I32, I64.
5392         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
5393         (gnu_target_overrides_format_attributes): New.
5394         * c-format.h: Add structure target_ovr_attr to hold
5395         system specific formatter names.
5396         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
5397         msformat-c.o file to c_target_objs and cxx_target_objs.
5398         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5399         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
5400         (TARGET_N_FORMAT_TYPES): New.
5401         * config/i386/msformat-c.c: New.
5402         * config/i386/t-cygming: Add build rule for msformat-c.o.
5403         * doc/extend.texi: Add new format names gnu_* and ms_* and
5404         further details.
5405         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
5406
5407 2008-03-20  Ira Rosen  <irar@il.ibm.com>
5408
5409         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
5410         optimizations turned on under -O3.
5411         (ftree-vectorize): Add that the flag is turned on with -O3.
5412
5413 2008-03-20  Ben Elliston  <bje@au.ibm.com>
5414
5415         * regmove.c (try_auto_increment): Fix spelling error in comment.
5416         * final.c (final_scan_insn): Likewise.
5417
5418 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
5419
5420         PR target/14552
5421         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
5422         allocator preferences for "y" and "r" class registers.
5423         ("*mov<mode>_internal"): Ditto.
5424         ("*movv2sf_internal_rex64"): Ditto.
5425         ("*movv2sf_internal"): Ditto.
5426
5427 2008-03-19  Michael Matz  <matz@suse.de>
5428
5429         PR middle-end/35616
5430         * calls.c (expand_call): Check overlap of arguments with call
5431         address for sibcalls.
5432
5433 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
5434
5435         PR target/35496
5436         * stor-layout.c (update_alignment_for_field): Set minimum alignment
5437         of the underlying type of a MS bitfield layout to the natural
5438         alignment of the type.
5439
5440 2008-03-19  Jan Hubicka  <jh@suse.cz>
5441
5442         PR other/35094
5443         * toplev.c (decode_d_option): Handle all CPP flags.
5444         * tree-vrp.c: Update tree_pass descriptors.
5445         * regrename.c: Update tree_pass descriptors.
5446         * fwprop.c: Update tree_pass descriptors.
5447         * doc/invoke.texi: Remove documentation of dropped -d? flags.
5448         * tree-into-ssa.c: Update tree_pass descriptors.
5449         * tree-dump.c: Update tree_pass descriptors.
5450         * tree-complex.c: Update tree_pass descriptors.
5451         * tree-dump.h: Update tree_pass descriptors.
5452         * see.c: Update tree_pass descriptors.
5453         * cgraphbuild.c: Update tree_pass descriptors.
5454         * tracer.c: Update tree_pass descriptors.
5455         * tree-loop-distribution.c: Update tree_pass descriptors.
5456         * cgraph.c: Update tree_pass descriptors.
5457         * postreload-gcse.c: Update tree_pass descriptors.
5458         * postreload.c: Update tree_pass descriptors.
5459         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
5460         * tree-tailcall.c: Update tree_pass descriptors.
5461         * tree-pass.h (tree_opt_pass): Rename to ...
5462         (opt_pass) ... this one; add "type" field and remove letter field.
5463         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
5464         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
5465         all_lowering_passes): Update declaration.
5466         * ipa-cp.c: Update tree_pass descriptors.
5467         * final.c: Update tree_pass descriptors.
5468         * omp-low.c: Update tree_pass descriptors.
5469         * tree-ssa-dse.c: Update tree_pass descriptors.
5470         * ipa-reference.c: Update tree_pass descriptors.
5471         * tree-ssa-uncprop.c: Update tree_pass descriptors.
5472         * auto-inc-dec.c: Update tree_pass descriptors.
5473         * reorg.c: Update tree_pass descriptors.
5474         * cgraphunit.c: Update tree_pass descriptors.
5475         * tree-ssa-copyrename.c: Update tree_pass descriptors.
5476         * tree-ssa-ccp.c: Update tree_pass descriptors.
5477         * df-core.c: Update tree_pass descriptors.
5478         * mode-switching.c: Update tree_pass descriptors.
5479         * tree-nomudflap.c: Update tree_pass descriptors.
5480         * modulo-sched.c: Update tree_pass descriptors.
5481         * ipa-pure-const.c: Update tree_pass descriptors.
5482         * cse.c: Update tree_pass descriptors.
5483         * web.c: Update tree_pass descriptors.
5484         * tree-stdarg.c: Update tree_pass descriptors.
5485         * tree-ssa-math-opts.c: Update tree_pass descriptors.
5486         * tree-ssa-dom.c: Update tree_pass descriptors.
5487         * tree-nrv.c: Update tree_pass descriptors.
5488         * tree-ssa-alias.c: Update tree_pass descriptors.
5489         * loop-init.c: Update tree_pass descriptors.
5490         * gimple-low.c: Update tree_pass descriptors.
5491         * ipa-inline.c: Update tree_pass descriptors.
5492         * tree-ssa-sink.c: Update tree_pass descriptors.
5493         * global.c: Update tree_pass descriptors.
5494         * ifcvt.c: Update tree_pass descriptors.
5495         * jump.c: Update tree_pass descriptors.
5496         * predict.c: Update tree_pass descriptors.
5497         * tree-ssa-loop.c: Update tree_pass descriptors.
5498         * recog.c: Update tree_pass descriptors.
5499         * dse.c: Update tree_pass descriptors.
5500         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
5501         * tree-eh.c: Update tree_pass descriptors.
5502         * regmove.c: Update tree_pass descriptors.
5503         * local-alloc.c
5504         * function.c: Update tree_pass descriptors.
5505         * tree-vectorizer.c: Update tree_pass descriptors.
5506         * gcse.c: Update tree_pass descriptors.
5507         * ipa-type-escape.c: Update tree_pass descriptors.
5508         * tree-if-conv.c: Update tree_pass descriptors.
5509         * init-regs.c: Update tree_pass descriptors.
5510         * ipa.c: Update tree_pass descriptors.
5511         * tree-ssa-phiopt.c: Update tree_pass descriptors.
5512         * rtl-factoring.c: Update tree_pass descriptors.
5513         * lower-subreg.c: Update tree_pass descriptors.
5514         * bt-load.c: Update tree_pass descriptors.
5515         * tree-dfa.c: Update tree_pass descriptors.
5516         * except.c: Update tree_pass descriptors.
5517         * emit-rtl.c: Update tree_pass descriptors.
5518         * cfgexpand.c: Update tree_pass descriptors.
5519         * tree-cfgcleanup.c: Update tree_pass descriptors.
5520         * cfgcleanup.c: Update tree_pass descriptors.
5521         * tree-ssa-pre.c: Update tree_pass descriptors.
5522         * tree-sra.c: Update tree_pass descriptors.
5523         * tree-mudflap.c: Update tree_pass descriptors.
5524         * tree-ssa-copy.c: Update tree_pass descriptors.
5525         * cfglayout.c: Update tree_pass descriptors.
5526         * tree-ssa-forwprop.c: Update tree_pass descriptors.
5527         * tree-ssa-dce.c: Update tree_pass descriptors.
5528         * tree-ssa.c: Update tree_pass descriptors.
5529         * regclass.c: Update tree_pass descriptors.
5530         * integrate.c: Update tree_pass descriptors.
5531         * tree-optimize.c: Update tree_pass descriptors.
5532         * tree-ssa-phiprop.c: Update tree_pass descriptors.
5533         * tree-object-size.c: Update tree_pass descriptors.
5534         * combine.c: Update tree_pass descriptors.
5535         * tree-outof-ssa.c: Update tree_pass descriptors.
5536         * bb-reorder.c: Update tree_pass descriptors.
5537         * stack-ptr-mod.c: Update tree_pass descriptors.
5538         * var-tracking.c: Update tree_pass descriptors.
5539         * tree-profile.c: Update tree_pass descriptors.
5540         * tree-vect-generic.c: Update tree_pass descriptors.
5541         * reg-stack.c: Update tree_pass descriptors.
5542         * sched-rgn.c: Update tree_pass descriptors.
5543         * tree-ssa-structalias.c: Update tree_pass descriptors.
5544         * tree-cfg.c: Update tree_pass descriptors.
5545         * passes.c (current_pass): Update declaration.
5546         (finish_optimization_passes): Update.
5547         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
5548         (register_one_dump_file, register_dump_files_1, next_pass_1):
5549         Update arguments.
5550         (init_optimization_passes): Update handling of new types.
5551         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
5552         * ipa-struct-reorg.c: Update tree_pass descriptors.
5553         * tree-ssa-reassoc.c: Update tree_pass descriptors.
5554         * combine-stack-adj.c: Update tree_pass descriptors.
5555         * cfgrtl.c: Update tree_pass descriptors.
5556         * dce.c: Update tree_pass descriptors.
5557         * tree-ssanames.c: Update tree_pass descriptors.
5558
5559 2008-03-19  Richard Guenther  <rguenther@suse.de>
5560
5561         PR middle-end/35609
5562         * tree-ssa.c (walk_data): New structure.
5563         (warn_uninitialized_var): If not always_executed warn with "maybe"
5564         instead of "is".
5565         (execute_early_warn_uninitialized): Compute post-dominators.
5566         Initialize always_executed before processing each basic block.
5567
5568 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
5569
5570         PR target/35504
5571         * config/i386/i386.c (x86_this_parameter): Calculate correct location
5572         of "this" pointer when "regparm = N" or "fastcall" is in effect.
5573
5574 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5575
5576         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
5577
5578 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
5579
5580         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
5581         is true.
5582         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
5583         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
5584         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
5585         target after ignore has been set, and move there also the commputation
5586         of subtarget and original_target.
5587         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
5588         (LANG_HOOKS_INITIALIZER): Remove it.
5589         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
5590
5591 2008-03-18  Richard Guenther  <rguenther@suse.de>
5592
5593         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
5594         found an expression with constants, note that in the VN for the lhs.
5595         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
5596         fold them to constants if possible.  Run cleanup_cfg if done so.
5597         (execute_pre): Return todo.
5598         (do_pre): Likewise.
5599         (execute_fre): Likewise.
5600         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
5601         of constants.
5602         (get_prop_source_stmt): Look through pointer conversions.
5603
5604 2008-03-18  Jan Hubicka  <jh@suse.cz>
5605
5606         * tree-pretty-print.c: Include predict.h.
5607         (dump_generic_node): Dump predictor.
5608         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
5609         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
5610         * gimple-low.c (lower_stmt): Likewise.
5611         * expr.c (expand_expr_real): Likewise.
5612         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
5613         them.
5614         (build_predict_expr, build_predict_expr): New.
5615         * predict.h (predictor_name, build_predict_expr): Update.
5616         * c-typeck.c (c_finish_bc_stmt): Add prediction.
5617         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
5618         * predict.def (PRED_CONTINUE): Update hitrate.
5619         * tree.def (PREDICT_EXPR): Define.
5620         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
5621         do not handle BIND_EXPR.
5622         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
5623         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
5624         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
5625         operands.
5626
5627 2008-03-18  Michael Matz  <matz@suse.de>
5628
5629         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
5630
5631 2008-03-18  Richard Guenther  <rguenther@suse.de>
5632
5633         * tree-gimple.h (is_gimple_invariant_address): Declare.
5634         (is_gimple_constant): Likewise.
5635         * tree-gimple.c (is_gimple_constant): New function.
5636         (is_gimple_invariant_address): Likewise.
5637         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
5638         and is_gimple_invariant_address.
5639         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
5640         previous change.
5641         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
5642         an addressable base.
5643
5644 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
5645
5646         PR middle-end/35611
5647         * gimplify.c (gimplify_expr): Gimplify second operand of
5648         OMP_ATOMIC_LOAD.
5649
5650 2008-03-17  Richard Guenther  <rguenther@suse.de>
5651
5652         PR tree-optimization/19637
5653         * fold-const.c (fold_unary): Remove restrictions of removing
5654         intermediate pointer-conversions (P2)(P1)P0.
5655         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
5656         conversion to void pointer.
5657         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
5658
5659 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
5660
5661         PR debug/31510
5662         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
5663         emulated thread local variables.
5664
5665 2008-03-16  Richard Guenther  <rguenther@suse.de>
5666
5667         PR middle-end/35607
5668         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
5669         expand TREE_INVARIANT operations that are not gimple invariant.
5670
5671 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
5672
5673         * doc/extend.texi (Alignment): Say that the ABI controls
5674         the __alignof__ for non-strict-alignment targets rather
5675         than being a recommendation.
5676
5677 2008-03-15  Paul Brook  <paul@codesourcery.com>
5678
5679         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
5680         annotations.
5681         (arm_output_fn_unwind): Mark functions that can not be unwound.
5682
5683 2008-03-15  Paul Brook  <paul@codesourcery.com>
5684
5685         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
5686         extension instructions.
5687
5688 2008-03-15  Richard Guenther  <rguenther@suse.de>
5689
5690         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
5691         and fold constant aggregate refs.
5692         (fold_const_aggregate_ref): Handle string constants
5693         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
5694         (evaluate_stmt): Simplify now that ccp_fold folds constant
5695         aggregate refs.
5696
5697 2008-03-15  Paul Brook  <paul@codesourcery.com>
5698
5699         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
5700         (extzv): Use gen_extzv_t2.
5701         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
5702
5703 2008-03-15  Richard Guenther  <rguenther@suse.de>
5704
5705         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
5706         (fold_const_aggregate_ref): Likewise.
5707         (get_value): Return NULL if we don't have any values.
5708         (ccp_finalize): Set const_val to NULL after freeing it.
5709         * tree-flow.h (get_symbol_constant_value): Declare.
5710         (fold_const_aggregate_ref): Likewise.
5711         * tree-ssa-sccvn.c (try_to_simplify): Use them.
5712
5713 2008-03-15  Richard Guenther  <rguenther@suse.de>
5714
5715         PR middle-end/35593
5716         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
5717         to not produce negative array indices if not allowed.  Add
5718         parameter to indicate that.
5719         (maybe_fold_offset_to_component_ref): Allow negative array
5720         indices only for the first member of a structure.
5721         (maybe_fold_offset_to_reference): Allow negative array indices.
5722         (maybe_fold_stmt_addition): Likewise.
5723
5724 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
5725             Anatoly Sokolov <aesok@post.ru>
5726
5727         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
5728         (avr_arch): Add ARCH_AVR6.
5729         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
5730         (initial_elimination_offset): Initialize and use 'avr_pc_size' 
5731         instead of fixed value 2.
5732         (print_operand_address): Use gs() asm specifier instead of pm().
5733         (avr_assemble_integer): (Ditto.).
5734         (avr_output_addr_vec_elt): (Ditto.).
5735         (print_operand): Handle "!" code.
5736         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add 
5737         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
5738         (AVR_HAVE_EIJMP_EICALL): Define.
5739         (AVR_3_BYTE_PC): Redefine.
5740         (AVR_2_BYTE_PC): (Ditto.).
5741         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
5742         (LINK_SPEC): Add atmega2560 and atmega2561.
5743         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561 
5744         (crtm2561.o).
5745         * config/avr/avr.md (call_insn): Use eicall instead of icall 
5746         for 3 byte PC devices.
5747         (call_value_insn): (Ditto.).
5748         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
5749         (indirect_jump): Use only for for 2 byte PC devices.
5750         (*tablejump): (Ditto.).
5751         (*indirect_jump_avr6): Add insn.
5752         (*tablejump_rjmp): Don't use for 3 byte PC devices.
5753         * config/avr/libgcc.S (__prologue_saves__): Use eijmp 
5754         instead of ijmp for 3 byte PC devices.
5755         (__tablejump2__): (Ditto.).
5756         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
5757         (MULITLIB_DIRNAMES): (Ditto.). 
5758         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
5759
5760 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
5761
5762         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
5763         "sse2_umulsidi3".  Use V1DI mode for operand 0.
5764         ("mmx_psadbw"): Use V1DI mode for operand 0.
5765         * config/i386/i386-modes.def (V1SI): New vector mode.
5766         * config/i386/i386.c (struct builtin_description)
5767         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
5768         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
5769         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
5770         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
5771         v1di_ftype_v8qi_v8qi type.
5772         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
5773
5774         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
5775         __builtin_ia32_pmuludq]: Fix the mode of return value.
5776
5777 2008-03-15  Richard Guenther  <rguenther@suse.de>
5778
5779         PR middle-end/35595
5780         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
5781         being a PHI_NODE.
5782
5783 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
5784         
5785         * doc/invoke.texi (Option Summary, Xtensa Options): Document
5786         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
5787         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
5788         unless TARGET_SERIALIZE_VOLATILE is enabled.
5789         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
5790         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
5791         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
5792
5793 2008-03-14  Richard Guenther  <rguenther@suse.de>
5794
5795         PR tree-optimization/34172
5796         * tree-flow.h (refs_may_alias_p): Declare.
5797         (get_single_def_stmt): Likewise.
5798         (get_single_def_stmt_from_phi): Likewise.
5799         (get_single_def_stmt_with_phi): Likewise.
5800         * tree-dfa.c (refs_may_alias_p): New function.
5801         (get_single_def_stmt): Likewise.
5802         (get_single_def_stmt_from_phi): Likewise.
5803         (get_single_def_stmt_with_phi): Likewise.
5804         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
5805         (vn_reference_lookup_1): New helper function.
5806         (vn_reference_lookup): Walk the virtual use-def chain to
5807         continue searching for a match if the def does not alias the
5808         reference we are looking for.
5809
5810 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
5811
5812         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
5813         archive and Perzl.  Update The Written Word listing.
5814
5815 2008-03-14  Richard Guenther  <rguenther@suse.de>
5816
5817         PR tree-optimization/34043
5818         PR tree-optimization/33989
5819         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
5820         when doing FRE.
5821         (bitmap_find_leader): Use extra argument to verify dominance
5822         relationship inside a basic-block.
5823         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
5824         (find_leader_in_sets): Adjust.
5825         (create_component_ref_by_pieces): Take extra argument for
5826         dominance check, handle lookup failures.
5827         (find_or_generate_expression): Likewise.
5828         (create_expression_by_pieces): Likewise.
5829         (insert_into_preds_of_block): Adjust.
5830         (create_value_expr_from): If asked for, verify all operands
5831         are in the blocks AVAIL_OUT set.
5832         (make_values_for_stmt): Check for SSA_NAMEs that are life
5833         over an abnormal edge.
5834         (compute_avail): Remove such check.
5835         (do_SCCVN_insertion): New function.
5836         (eliminate): If we do not find a leader suitable for replacement
5837         insert a replacement expression from SCCVN if available.
5838         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
5839         (struct vn_ssa_aux): Add needs_insertion flag.
5840         * tree-ssa-sccvn.c (may_insert): New global flag.
5841         (copy_reference_ops_from_ref): Value-number union member access
5842         based on its size, not type and member if insertion is allowed.
5843         (visit_reference_op_load): For a weak match from union type
5844         punning lookup a view-converted value and insert a SSA_NAME
5845         for that value if that is not found.
5846         (visit_use): Make dumps shorter.  Do not disallow value numbering
5847         SSA_NAMEs that are life over an abnormal edge to constants.
5848         (free_scc_vn): Release inserted SSA_NAMEs.
5849         (run_scc_vn): New flag to specify whether insertion is allowed.
5850         Process SSA_NAMEs in forward order.
5851         * tree-ssa-loop-im.c (for_each_index): Handle invariant
5852         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
5853         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
5854         pointer type to/from integral types that do not change the
5855         precision to regular conversions.
5856
5857 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5858
5859         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
5860         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
5861         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
5862         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
5863         input arguments and the mode of return value.  Built-in functions
5864         that operate on whole 64-bit MMX register now use V1DI mode.
5865
5866 2008-03-13  Alon Dayan  <alond@il.ibm.com>
5867             Olga Golovanevsky  <olga@il.ibm.com>
5868
5869         PR tree-optimization/35041
5870         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
5871         to locate the right position in a statement.
5872
5873 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
5874
5875         PR target/34000
5876         PR target/35553
5877         * config/i386/xmmintrin.h:  Change all static inline functions to
5878         extern inline and add __gnu_inline__ attribute.
5879         * config/i386/bmintrin.h: Ditto.
5880         * config/i386/smmintrin.h: Ditto.
5881         * config/i386/tmmintrin.h: Ditto.
5882         * config/i386/mmintrin-common.h: Ditto.
5883         * config/i386/ammintrin.h: Ditto.
5884         * config/i386/emmintrin.h: Ditto.
5885         * config/i386/pmmintrin.h: Ditto.
5886         * config/i386/mmintrin.h: Ditto.
5887         * config/i386/mm3dnow.h: Ditto.
5888
5889 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
5890
5891         PR middle-end/35185
5892         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
5893         (lower_omp_2): New function.
5894         (lower_omp_1, lower_omp): Rewritten.
5895
5896 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
5897
5898         PR 35054
5899         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
5900         with the phrase "Microsoft Windows compilers".
5901         (Push/Pop Macro Pragmas): New subsection. Document
5902         #pragma push_macro and pragma pop_macro.
5903
5904 2008-03-12  Paul Brook  <paul@codesourcery.com>
5905
5906         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
5907
5908 2008-03-12  Paul Brook  <paul@codesourcery.com>
5909
5910         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
5911         (thumb2_alusi3_short): Exclude PLUS and MINUS.
5912         (thumb2_addsi_shortim): Rename ...
5913         (thumb2_addsi_short): ... to this.  Allow register operands.
5914         (thumb2_subsi_short): New pattern.
5915         (thumb2_one_cmplsi2_short,
5916         thumb2_negsi2_short): New patterns and peepholes.
5917
5918 2008-03-12  Paul Brook  <paul@codesourcery.com>
5919
5920         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
5921
5922 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
5923
5924         * config/i386/i386.md (int_cond): New code iterator.
5925         (fp_cond): Ditto.
5926         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
5927         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
5928         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
5929         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
5930         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
5931         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
5932         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
5933         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
5934
5935 2008-03-12  Paul Brook  <paul@codesourcery.com>
5936
5937         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
5938         instead of {arm,thumb}_compute_save_reg_mask.
5939         (output_return_instruction): Ditto.
5940         (thumb_unexpanded_epilogue): Ditto.
5941         (thumb1_expand_prologue): Ditto.
5942         (thumb1_output_function_prologue): Ditto.
5943         (arm_set_return_address): Ditto.
5944         (thumb_set_return_address): Ditto.
5945         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
5946         regs to achieve stack alignment.
5947         (thumb1_compute_save_reg_mask): Fix compiler warning.
5948         (arm_output_epilogue): Use offsets->saved_regs_mask.
5949         Adjust stack pointer by poping call clobered registers.
5950         (arm_expand_prologue): Use offsets->saved_regs_mask.
5951         Adjust stack pointer by pushing extra registers.
5952         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
5953
5954 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
5955
5956         PR tree-opt/35422
5957         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
5958         conversion to the operands of a multiplication.
5959
5960 2008-03-12  Richard Guenther  <rguenther@suse.de>
5961
5962         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
5963         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
5964         * timevar.def (TV_TREE_PHIPROP): Add.
5965         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
5966         pass description.  Use TV_TREE_PHIPROP.
5967         * tree-ssa-forwprop.c: Remove phiprop code.
5968
5969 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
5970
5971         PR middle-end/35549
5972         * omp-low.c (maybe_lookup_decl): Constify first argument.
5973         (use_pointer_for_field): Change last argument from bool to
5974         omp_context *.  Disallow shared copy-in/out in nested
5975         parallel if decl is shared in outer parallel too.
5976         (build_outer_var_ref, scan_sharing_clauses,
5977         lower_rec_input_clauses, lower_copyprivate_clauses,
5978         lower_send_clauses, lower_send_shared_vars): Adjust callers.
5979
5980 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
5981             Ira Rosen  <irar@il.ibm.com>
5982
5983         * tree-vectorizer.c (free_stmt_vec_info): New function.
5984         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
5985         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
5986         * tree-vectorizer.h (free_stmt_vec_info): Declare.
5987         * tree-vect-transform.c (vectorizable_conversion): Free
5988         vec_oprnds0 if it was allocated.
5989         (vect_permute_store_chain): Remove unused VECs.
5990         (vectorizable_store): Free VECs that are allocated in the..
5991         function.
5992         (vect_transform_strided_load, vectorizable_load): Likewise.
5993         (vect_remove_stores): Simplify the code.
5994         (vect_transform_loop): Move code to vect_remove_stores().
5995         Call vect_remove_stores() and free_stmt_vec_info().
5996
5997 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5998
5999         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
6000         TARGET_HPUX.  Revise comment.
6001         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
6002         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
6003         Use sr4 variant of `be' instruction when not generating PIC code.
6004         (attr_length_call): Adjust for above change.
6005
6006 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6007
6008         * ipa-reference.c (static_execute): Remove module_statics_const and
6009         associated setting code.
6010
6011 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6012
6013         PR target/35540
6014         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
6015         predicate for operand 1.
6016         (paritysi2_cmp): Use register_operand predicate for operand 2.
6017         Use earlyclobber modifier for operand 1.  Remove support for
6018         memory operands.
6019         (paritydi2_cmp): Use register_operand predicate for operand 3.
6020         Use earlyclobber modifier for operand 1.  Remove support for
6021         memory operands.
6022
6023 2008-03-11  Paul Brook  <paul@codesourcery.com>
6024             Vladimir Prus  <vladimir@codesourcery.com>
6025
6026         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
6027         (arm_compute_save_reg0_reg12_mask): Always
6028         check if register 11 must be saved.  Always safe hard frame pointer
6029         when frame_pointer_needeed.
6030         (arm_compute_save_reg_mask): Save IP and PC
6031         only with apcs frames.
6032         (arm_output_epilogue): Adjust Thumb2 codepath to
6033         be also invoked and work for ARM non-apcs frames.
6034         (arm_expand_prologue): Don't bother saving IP
6035         for non-apcs frame, since it's not clobbered by
6036         prologue code.  Implement non-apcs frame
6037         layout.
6038
6039 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6040
6041         PR rtl-optimization/35281
6042         * expr.c (convert_move): Use a new pseudo for the intermediate
6043         from_mode->word_mode result.
6044
6045 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
6046
6047         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
6048         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
6049         * toplev.c (compile_file): Don't call it.
6050
6051 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
6052
6053         PR middle-end/35526
6054         * expr.c (store_expr): Call emit_block_move if the mode
6055         of "temp" RTX is BLKmode.
6056
6057 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6058             Richard Guenther  <rguenther@suse.de>
6059
6060         PR tree-optimization/31358
6061         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
6062         the step with a NULL_TREE.
6063         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
6064         to sizetype if type is a pointer type.
6065         (add_candidate_1): Don't convert the base and step to
6066         the generic type if the orginal type is a pointer type.
6067         (add_iv_value_candidates): Use sizetype for the step
6068         if type is a pointer type.
6069         (cand_value_at): Likewise.
6070         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
6071         for pointer types.
6072         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
6073         Don't convert the tem affine to the type.
6074         (add_elt_to_tree): Use sizetype for the step if a pointer.
6075         Use POINTER_PLUS_EXPR for pointers.
6076         (aff_combination_to_tree): Use sizetype for the step if a
6077         pointer.
6078
6079 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
6080
6081         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
6082         Remove commutativity hint.
6083
6084 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
6085
6086         PR c/35438
6087         PR c/35439
6088         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
6089         errorneous type.  Check that v is a VAR_DECL.
6090
6091         PR middle-end/35099
6092         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
6093
6094 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
6095
6096         PR tree-optimization/35494
6097         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
6098         may be overriden at link and run time.
6099
6100 2008-03-10  Richard Guenther  <rguenther@suse.de>
6101
6102         PR tree-optimization/34677
6103         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
6104         (poolify_tree): Likewise.
6105         (modify_expr_template): Likewise.
6106         (poolify_modify_stmt): Likewise.
6107         (insert_fake_stores): Handle all component-ref style stores
6108         in addition to INDIRECT_REF.  Also handle complex types.
6109         Do not poolify the inserted load.
6110         (realify_fake_stores): Do not rebuild the tree but only
6111         make it a SSA_NAME copy.
6112         (init_pre): Remove initialzation of modify_expr_template.
6113         Do not allocate modify_expr_node_pool.
6114         (fini_pre): Do not free modify_expr_node_pool.
6115
6116 2008-03-10  Paul Brook  <paul@codesourcery.com>
6117
6118         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
6119         to avoid conflicts.
6120
6121 2008-03-10  Paul Brook  <paul@codesourcery.com>
6122             Mark Shinwell  <shinwell@codesourcery.com>
6123
6124         * config/arm/cortex-r4.md: New.
6125         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
6126         insn attributes.
6127         * config/arm/arm.md: Include cortex-r4.md.
6128         (insn): Add smmls, sdiv and udiv values.
6129         (generic_sched): Don't use generic scheduling for Cortex-R4.
6130         (arm_issue_rate): New function.
6131         (TARGET_SCHED_ISSUE_RATE): Define.
6132
6133 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
6134
6135         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
6136
6137 2008-03-10  Richard Guenther  <rguenther@suse.de>
6138
6139         * tree-ssa-pre.c (get_sccvn_value): Simplify.
6140         (compute_avail): Do not add stmt uses to AVAIL_OUT.
6141
6142 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
6143
6144         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
6145         Set default to true.
6146
6147 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6148
6149         * c.opt (Wsynth): Deprecate.
6150         * doc/invoke.texi (Option Summary, Warning Options): Document
6151         -Wno-format-contains-nul.
6152
6153 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
6154
6155         PR target/35496
6156         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
6157         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
6158
6159 2008-03-09  Ira Rosen  <irar@il.ibm.com>
6160
6161         * config/rs6000/rs6000.c (builtin_description): Rename vector
6162         left shift operations.
6163         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
6164         (altivec_vsl<VI_char>): Rename to ...
6165         (ashl<mode>3): ... new name.
6166         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
6167         gen_ashlv4si3.
6168         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
6169
6170 2008-03-08  Richard Guenther  <rguenther@suse.de>
6171
6172         * coverage.h (tree_coverage_counter_addr): Declare.
6173         * coverage.c (tree_coverage_counter_addr): New function.
6174         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
6175         before using again.
6176         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
6177         (tree_gen_one_value_profiler): Likewise.
6178         (tree_gen_ic_profiler): Likewise.
6179         (tree_gen_average_profiler): Likewise.
6180         (tree_gen_ior_profiler): Likewise.
6181
6182 2008-03-08  Richard Guenther  <rguenther@suse.de>
6183
6184         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
6185         (vn_binary_op_insert): Likewise.
6186         (vn_unary_op_lookup): Likewise.
6187         (vn_unary_op_insert): Likewise.
6188         (vn_nary_op_lookup): Declare.
6189         (vn_nary_op_insert): Likewise.
6190         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
6191         and binary hashes, use a single obstack for unary_op_pool
6192         and binary_op_pool.
6193         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
6194         a single struct vn_nary_op_s.  Store tree code length and
6195         a variable number of operands.
6196         (struct vn_reference_op_struct): Remove unused op2.
6197         (vn_reference_op_eq): Do not compare op2.
6198         (vn_reference_op_compute_hash): Do not compute hash of op2.
6199         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
6200         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
6201         with vn_nary_op_compute_hash.
6202         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
6203         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
6204         vn_nary_op_lookup.
6205         (vn_unary_op_insert, vn_binary_op_insert): Replace with
6206         vn_nary_op_insert.
6207         (visit_unary_op): Call nary functions.
6208         (visit_binary_op): Likewise.
6209         (process_scc): Adjust for struct vn_tables_s changes.
6210         (allocate_vn_table): Likewise.
6211         (free_vn_table): Likewise.
6212         * tree-vn.c (vn_add): Call nary functions.
6213         (vn_lookup): Likewise.
6214
6215 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
6216
6217         PR target/35498
6218         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
6219         wdst back after sync_compare_and_swapqhi_internal.
6220
6221 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
6222
6223         PR target/22152
6224         * config/i386/i386-modes.def (V1DI): New vector mode.
6225         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
6226         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
6227         (MMXMODE248): Ditto.
6228         (MMXMODE): Add V1DI mode.
6229         (mmxvecsize): Change DI mode to V1DI mode.
6230         ("mov<mode>): Use MMXMODEI8 mode iterator.
6231         ("*mov<mode>_internal_rex64"): Ditto.
6232         ("*mov<mode>_internal"): Ditto.
6233         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
6234         ("mmx_sub<mode>3"): Ditto.
6235         ("mmx_adddi3"): Remove insn pattern.
6236         ("mmx_subdi3"): Ditto.
6237         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
6238         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
6239         ("mmx_ashl<mode>3"): Ditto.
6240         ("mmx_lshrdi3"): Remove insn pattern.
6241         ("mmx_ashldi3"): Ditto.
6242         * config/i386/i386.c (classify_argument): Handle V1DImode.
6243         (function_arg_advance_32): Ditto.
6244         (function_arg_32): Ditto.
6245         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
6246         mmx_addv1di3 insn pattern.
6247         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
6248         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
6249         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
6250         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
6251         Remove definitions of built-in functions.
6252         (V1DI_type_node): New node.
6253         (v1di_ftype_v1di_int): Ditto.
6254         (v1di_ftype_v1di_v1di): Ditto.
6255         (v2si_ftype_v2si_si): Ditto.
6256         (v4hi_ftype_v4hi_di): Remove node.
6257         (v2si_ftype_v2si_di): Ditto.
6258         (ix86_init_mmx_sse_builtins): Handle V1DImode.
6259         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
6260         Redefine builtins using def_builtin_const with *_ftype_*_int node.
6261         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
6262         Add new builtins using def_builtin_const.
6263         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
6264         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
6265         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
6266         * config/i386/mmintrin.h (__v1di): New typedef.
6267         (_mm_add_si64): Cast arguments to __v1di type.
6268         (_mm_sub_si64): Ditto.
6269         (_mm_sll_pi16): Cast __count to __v4hi type.
6270         (_mm_sll_pi32): Cast __count to __v2si type.
6271         (_mm_sll_si64): Cast arguments to __v1di type.
6272         (_mm_srl_pi16): Cast __count to __v4hi type.
6273         (_mm_srl_pi32): Cast __count to __v2si type.
6274         (_mm_srl_si64): Cast arguments to __v1di type.
6275         (_mm_sra_pi16): Cast __count to __v4hi type.
6276         (_mm_sra_pi32): Cast __count to __v2si type.
6277         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
6278         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
6279         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
6280         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
6281         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
6282         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
6283         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
6284         (_mm_srai_pi32): Use __builtin_ia32_psradi.
6285         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
6286         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
6287         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
6288         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
6289
6290 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
6291
6292         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
6293
6294 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
6295
6296         PR target/35373
6297         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
6298         reg+const addressing for Altivec modes.  Don't generate reg+reg
6299         addressing for TFmode or TDmode quantities.
6300
6301 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
6302
6303         * c-common.c (vector_types_convertible_p): Call langhook
6304         instead of comptypes.
6305
6306 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6307
6308         PR tree-opt/35402
6309         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
6310         integral and scalar float variables which have a
6311         NULL DECL_INITIAL.
6312
6313 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
6314
6315         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
6316         dwarf_register_span hook when emitting unwind information for
6317         register-to-memory saves.
6318         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
6319         (rs6000_frame_related): Remove call to spe_synthesize_frame.
6320
6321 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
6322
6323         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
6324         for the same VAR_DECL.
6325
6326 2008-03-06  Tom Tromey  <tromey@redhat.com>
6327
6328         * treelang: Delete.
6329         * doc/standards.texi (Standards): Don't mention treelang.
6330         * doc/invoke.texi (Overall Options): Don't mention treelang.
6331         * doc/install.texi (Prerequisites): Don't mention bison or
6332         treelang.
6333         (Configuration): Don't mention treelang.
6334         (Building): Likewise.
6335         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
6336
6337 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
6338
6339         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
6340         word-extractions out of a multi-word object.
6341
6342 2008-03-06  Richard Guenther  <rguenther@suse.de>
6343
6344         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
6345         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
6346         result type and precision.
6347         * expr.c (get_inner_reference): Set unsignedp based on the result
6348         type of BIT_FIELD_REF.
6349         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
6350         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
6351         (try_instantiate_multiple_fields): Likewise.  Use the correct type
6352         for BIT_FIELD_REF.
6353         (sra_build_assignment): Likewise.
6354         (sra_build_elt_assignment): Likewise.
6355         (sra_explode_bitfield_assignment): Likewise.
6356         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
6357         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
6358         set BIT_FIELD_REF_UNSIGNED.
6359         (vectorizable_load): Likewise.
6360
6361 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
6362
6363         * cse.c (cse_extended_basic_block): Invalidate artificial defs
6364         at bb start.
6365
6366 2008-03-06  Richard Guenther  <rguenther@suse.de>
6367
6368         * alias.c (struct alias_set_entry): Move has_zero_child field
6369         to pack with alias_set.
6370
6371 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
6372
6373         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6374         32bit host.
6375
6376 2008-03-05  Ian Lance Taylor  <iant@google.com>
6377
6378         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
6379
6380 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
6381
6382         * fwprop.c (update_df): Support width and offset parameters of
6383         df_ref_create.
6384         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
6385         global_conflicts): Change DF_REF_EXTRACT to either
6386         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6387         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6388         * df-scan.c (df_ref_record, df_defs_record,
6389         df_ref_create_structure, df_def_record_1, df_uses_record,
6390         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
6391         df_bb_refs_collect, df_entry_block_defs_collect,
6392         df_exit_block_uses_collect): Support new width and offset fields.
6393         (ref_extract_pool): New storage pool.
6394         (df_free_ref): New function.
6395         (df_reg_chain_unlink, df_free_collection_rec,
6396         df_sort_and_compress_refs): Call df_free_ref.
6397         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
6398         of df_ref_extract.
6399         (df_ref_create_structure): Allocate df_ref_extract if offset and
6400         width fields are used.
6401         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
6402         (df_uses_record): Get offset and width from ZERO_EXTRACT 
6403         and SIGN_EXTRACT.
6404         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
6405         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6406         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6407         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
6408         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
6409         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
6410         (df_ref_extract): New structure.
6411         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
6412         (df_ref_create): Add width and offset parameters.
6413         
6414 2008-03-05  Richard Guenther  <rguenther@suse.de>
6415
6416         * tree-ssa-structalias.c (get_constraint_for_component_ref):
6417         Use ranges_overlap_p.
6418         (offset_overlaps_with_access): Rename
6419         to ranges_overlap_p and move ...
6420         * tree-flow-inline.h (ranges_overlap_p): ... here.
6421
6422         * tree.h (get_inner_reference, handled_component_p): Update
6423         comments.
6424
6425         * tree.h (record_component_aliases, get_alias_set,
6426         alias_sets_conflict_p, alias_sets_must_conflict_p,
6427         objects_must_conflict_p): Move declarations ...
6428         * alias.h (record_component_aliases, get_alias_set,
6429         alias_sets_conflict_p, alias_sets_must_conflict_p,
6430         objects_must_conflict_p): ... here.
6431         Include coretypes.h.
6432         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
6433
6434 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
6435
6436         * cfg.c: Include tree-flow.h.
6437         (remove_edge_raw): Call redirect_edge_var_map_clear.
6438         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
6439         * tree-flow-inline.h (redirect_edge_var_map_def): New.
6440         (redirect_edge_var_map_result): New.
6441         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
6442         PENDING_STMT use with redirect_edge_var_map_*.
6443         * tree-ssa.c (edge_var_maps): New definition.
6444         (redirect_edge_var_map_add): New.
6445         (redirect_edge_var_map_clear): New.
6446         (redirect_edge_var_map_dup): New.
6447         (redirect_edge_var_map_vector): New.
6448         (redirect_edge_var_map_destroy): New.
6449         (ssa_redirect_edge): Replace PENDING_STMT use with
6450         redirect_edge_var_map_*.
6451         (flush_pending_stmts): Same.
6452         (delete_tree_ssa): Destroy edge var map.
6453         * tree-flow.h (struct _edge_var_map): New.
6454         Define edge_var_map vector type.
6455         Declare redirect_edge_var_map_* prototypes.
6456         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
6457         * tree-cfg.c (reinstall_phi_args): Replace
6458         PENDING_STMT use with redirect_edge_var_map_*.
6459
6460 2008-03-05  Richard Guenther  <rguenther@suse.de>
6461
6462         PR tree-optimization/35472
6463         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
6464         whose single use_stmt has a overlapping set of loaded and
6465         stored symbols as that use_stmt might be a noop assignment then.
6466
6467 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
6468
6469         * gthr-rtems.h: Implement __gthread_mutex_destroy.
6470
6471 2008-03-05  Richard Guenther  <rguenther@suse.de>
6472
6473         PR c++/35336
6474         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
6475         should be constants.
6476         * tree-cfg.c (verify_expr): Verify it.
6477         * fold-const.c (fold_truthop): Remove code generating
6478         BIT_FIELD_REFs of structure bases.
6479         (fold_binary): Likewise.
6480         (fold_ternary): Position and size of BIT_FIELD_REFs are
6481         always host integers.
6482         (make_bit_field_ref): Remove.
6483         (optimize_bit_field_compare): Remove.
6484         (all_ones_mask_p): Remove.
6485
6486 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
6487
6488         PR gcc/33009
6489         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
6490         (split_block_and_df_analyze): New. Split basic block and rebuild
6491         dataflow.
6492         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
6493         SPLIT_BLOCK.
6494         (split_pattern_seq): Likewise.
6495         (erase_matching_seqs): Likewise.
6496         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
6497
6498 2008-03-04  Geoff Keating  <geoffk@apple.com>
6499
6500         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
6501         declaration and code.
6502         (tree_invalid_nonnegative_warnv_p): Likewise.
6503
6504 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
6505
6506         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
6507         examples.  Truncate option-names then causing overfull hbox.
6508
6509 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6510
6511         PR target/35222
6512         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
6513         on hpux10.
6514         * configure: Rebuilt.
6515
6516 2008-03-04  Rafael Espindola  <espindola@google.com>
6517
6518         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
6519         (tree_unary_nonnegative_warnv_p): New.
6520         (tree_binary_nonnegative_warnv_p): New.
6521         (tree_single_nonnegative_warnv_p): New.
6522         (tree_invalid_nonnegative_warnv_p): New.
6523         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
6524
6525 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6526
6527         PR 28322
6528         * opts.c (handle_option): Postpone 'unknown option' errors only for
6529         warning options.
6530
6531 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
6532
6533         PR target/35453
6534         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
6535         (_SIDD_XXX): This.
6536
6537 2008-03-04  Rafael Espindola  <espindola@google.com>
6538
6539         * fold-const.c (tree_unary_nonzero_warnv_p): New.
6540         (tree_binary_nonzero_warnv_p): New.
6541         (tree_single_nonzero_warnv_p): New.
6542         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
6543
6544 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
6545
6546         PR middle-end/35456
6547         * fold-const.c (fold_cond_expr_with_comparison): Prevent
6548         transformations for modes that have signed zeros.
6549         * ifcvt.c (noce_try_abs): Ditto.
6550
6551 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
6552
6553         * config/i386/i386.c (override_options): Force
6554         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
6555
6556 2008-03-04  Jan Hubicka  <jh@suse.cz>
6557
6558         PR c++/35262
6559         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
6560         in last commit.
6561
6562 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6563
6564         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
6565         label to probe the stack.
6566
6567 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
6568
6569         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
6570         (__gthr_win32_mutex_destroy): Declare.
6571         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
6572         __gthr_win32_mutex_destroy.
6573         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
6574
6575 2008-03-03  Jan Hubicka  <jh@suse.cz>
6576
6577         PR c++/35262
6578         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
6579         aggressive on inlining cold calls.
6580
6581 2008-03-03  Richard Guenther  <rguenther@suse.de>
6582
6583         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
6584         struct copies into the expression table.
6585         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
6586         (try_to_simplify): Likewise.
6587         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
6588         integral and pointer arguments which do not change the
6589         precision to NOP_EXPRs.
6590         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
6591         VIEW_CONVERT_EXPR case.
6592
6593 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
6594
6595         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
6596         defined in a loop at depth 0 is invariant.
6597         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
6598         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
6599         be called at loop depth 0.
6600
6601 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
6602
6603         PR driver/35420
6604         * gcc.c (process_command): Update copyright notice dates.
6605         * gcov.c (print_version): Likewise.
6606         * gcov-dump.c (print_version): Likewise.
6607         * mips-tfile.c (main): Likewise.
6608         * mips-tdump.c (main): Likewise.
6609
6610 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6611
6612         PR 24924
6613         * c-common.c (flag_permissive): Delete.
6614         (constant_expression_warnings): Check flags first.
6615         (constant_expression_error): New.
6616         * c-common.h (flag_permissive): Delete.
6617         (constant_expression_error): Declare.
6618         * flags.h (flag_permissive): Declare. Update description.
6619         * diagnostic.c (pedwarn): Update.
6620         (permerror): New.
6621         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
6622         (permissive_error_kind): New.
6623         * toplev.c (flag_permissive): Define. Update description.
6624         * toplev.h (permissive_error_kind): Declare.
6625         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
6626         (pedwarn_c90): Use pedantic_warning_kind.
6627         * c-opts.c (c_common_post_options): flag_permissive does not affect
6628         flag_pedantic_errors.
6629
6630 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
6631
6632         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
6633         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
6634         __absvsi2, __absvDI2): Use unsigned arithmetic.
6635
6636 2008-03-02  Andi Kleen  <ak@suse.de>
6637             Richard Guenther  <rguenther@suse.de>
6638
6639         * struct-equiv.c: Remove file.
6640         * cfg_cleanup.c (condjump_equiv_p): Remove.
6641         * Makefile.in (OBJS-common): Remove struct-equiv.o.
6642         (struct-equiv.o): Remove rule.
6643         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
6644         insns_match_p, struct_equiv_block_eq, struct_equiv_init, 
6645         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
6646
6647 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6648
6649         * ifcvt.c (noce_process_if_block): Try to handle only the then
6650         block if the else block exists but isn't suitable.
6651
6652 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6653
6654         PR gcc/35063
6655         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
6656         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
6657         regression from previous patch.
6658
6659 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
6660
6661         PR gcc/35063
6662         * gthr.h: Add __gthread_mutex_destroy as a function that must be
6663         implemented.
6664         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
6665         * gthr-single.h (__gthread_mutex_destroy): Likewise.
6666         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
6667         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
6668         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
6669         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
6670         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
6671         (__gthread_mutex_destroy_function): Rename to
6672         __gthread_mutex_destroy.
6673         * gthr-dce.h (__gthread_mutex_destroy): Call
6674         pthread_mutex_destroy.
6675         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
6676         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
6677         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
6678
6679 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6680
6681         * df-scan.c (df_ref_chain_change_bb): Simplify.
6682         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
6683         set_block_for_insn if there's any change.
6684         * df.h ((df_insn_change_bb): Fix prototype.
6685         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
6686         df_insn_change_bb, don't call set_block_for_insn.
6687         * emit-rtl.c (reorder_insns): Likewise.
6688         * haifa-sched.c (move_insn): Likewise.
6689
6690 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6691
6692         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
6693
6694 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
6695
6696         * tree-flow-inline.h (next_readonly_imm_use): Return
6697         NULL_USE_OPERAND_P after the end.
6698
6699 2008-03-01  Richard Guenther  <rguenther@suse.de>
6700
6701         PR tree-optimization/35411
6702         * tree-sra.c (sra_build_assignment): Split conversion to
6703         final type to a separate statement if we are not assigning
6704         to a register.
6705
6706 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6707
6708         * fold-const.c (fold_convertible_p): Correct the logic to follow
6709         that in fold_convert().
6710
6711 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
6712
6713         PR c++/35315
6714         * tree-inline.c (build_duplicate_type): When we make a
6715         duplicate type, make it unique in the canonical types system.
6716
6717 2008-02-29  Tom Tromey  <tromey@redhat.com>
6718
6719         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
6720         input_file_stack_history, input_file_stack_restored): Remove.
6721         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6722         * input.h (struct file_stack): Remove.
6723         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
6724         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
6725         Likewise.
6726         * diagnostic.h (struct diagnostic_context) <last_module>: Change
6727         type.
6728         (diagnostic_last_module_changed): Add 'map' argument.
6729         (diagnostic_set_last_function): Likewise.
6730         * diagnostic.c (undiagnostic_report_current_module): Iterate using
6731         line map, not input_file_stack.
6732         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
6733
6734 2008-02-29  Paul Brook  <paul@codesourcery.com>
6735
6736         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
6737
6738 2008-02-29  Paul Brook  <paul@codesourcery.com>
6739
6740         * config/arm/ieee754-df.S (muldf3): Use RET macros.
6741
6742 2008-02-29  Richard Guenther  <rguenther@suse.de>
6743
6744         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
6745         vn_lookup_or_add.
6746         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
6747         value for comparing for a store match.
6748         (simplify_unary_expression): Do nothing for SSA_NAMEs.
6749         (try_to_simplify): Do not do a full-blown reference lookup.
6750
6751 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6752
6753         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
6754         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6755
6756         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
6757
6758 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
6759
6760         * tree-loop-linear.c (try_interchange_loops): Compare memory access
6761         strides against cache sizes.
6762
6763 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
6764
6765         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
6766         constant to fpul.
6767
6768 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
6769
6770         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
6771         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
6772         is smaller than the original promoted value.
6773         (simplify_subreg): If OP is a SUBREG, try to preserve its
6774         SUBREG_PROMOTED_VAR_P information.
6775
6776 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
6777
6778         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
6779         (VN_INFO_GET): Allocate new objects on the obstack.
6780         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
6781         for rpo_numbers_temp, for consistency.
6782         (free_scc_vn): Free the obstack.
6783
6784 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
6785
6786         * doc/invoke.texi: Document -ftree-loop-distribution.
6787         * tree-loop-distribution.c: New.
6788         * tree-pass.h (pass_loop_distribution): New.
6789         * graphds.h (struct graph): Add htab_t indices.
6790         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
6791         * tree-vectorizer.c (rename_variables_in_loop): Extern.
6792         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
6793         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
6794         * tree-data-ref.c (debug_data_dependence_relations): New.
6795         (dump_data_dependence_relation): Also print data references.
6796         (free_data_ref): Extern.
6797         (same_access_functions): Moved...
6798         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
6799         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6800         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
6801         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
6802         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
6803         (stmts_from_loop): Skip LABEL_EXPR.
6804         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
6805         New.
6806         (build_rdg): Initialize rdg->indices htab.
6807         (free_rdg, stores_from_loop, ref_base_address,
6808         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
6809         have_similar_memory_accesses_1, ref_base_address_1,
6810         remove_similar_memory_refs): New.
6811         * tree-data-ref.h: Depend on tree-chrec.h.
6812         (debug_data_dependence_relations, free_data_ref): Declared.
6813         (same_access_functions): ... here.
6814         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
6815         New.
6816         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
6817         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
6818         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
6819         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
6820         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
6821         rdg_vertex_for_stmt): Declared.
6822         (struct rdg_edge): Add level.
6823         (RDGE_LEVEL): New.
6824         (free_rdg, stores_from_loop, remove_similar_memory_refs,
6825         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
6826         Declared.
6827         (rdg_has_similar_memory_accesses): New.
6828         * tree-vect-analyze.c: Remove unused static decls.
6829         * lambda.h (dependence_level): New.
6830         * common.opt (ftree-loop-distribution): New.
6831         * tree-flow.h (mark_virtual_ops_in_bb, 
6832         slpeel_tree_duplicate_loop_to_edge_cfg,
6833         rename_variables_in_loop): Declared.
6834         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
6835         (OBJS-common): Add tree-loop-distribution.o.
6836         (tree-loop-distribution.o): New rule.
6837         * tree-cfg.c (mark_virtual_ops_in_bb): New.
6838         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
6839         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
6840
6841 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
6842
6843         PR target/33963
6844         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
6845         other than structures and unions.
6846
6847 2008-02-28  Richard Guenther  <rguenther@suse.de>
6848
6849         Revert:
6850         2008-02-26  Richard Guenther  <rguenther@suse.de>
6851
6852         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
6853         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
6854         (lookup_decl_from_uid): Declare.
6855         (remove_decl_from_map): Likewise.
6856         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
6857         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
6858         (decl_for_uid_map): New global hashtable mapping DECL_UID
6859         to the decl tree.
6860         (init_ttree): Allocate it.
6861         (insert_decl_to_uid_decl_map): New helper function.
6862         (make_node_stat): Insert new decls into the map.
6863         (copy_node_stat): Likewise.
6864         (lookup_decl_from_uid): New function.
6865         (remove_decl_from_map): Likewise.
6866         (print_decl_for_uid_map_statistics): New helper.
6867         (dump_tree_statistics): Call it.
6868
6869         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
6870         (referenced_var_iterator): Adjust.
6871         (FOR_EACH_REFERENCED_VAR): Adjust.
6872         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
6873         (num_referenced_vars): Adjust.
6874         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
6875         (first_referenced_var): Remove.
6876         (end_referenced_vars_p): Likewise.
6877         (next_referenced_var): Likewise.
6878         (referenced_var_iterator_set): New helper function.
6879         * tree-dfa.c (referenced_var_lookup): Adjust.
6880         (referenced_var_check_and_insert): Likewise.
6881         (remove_referenced_var): Likewise.
6882         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
6883         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6884         (verify_call_clobbering): Likewise.
6885         (verify_memory_partitions): Likewise.
6886         (init_tree_ssa): Allocate bitmap instead of hashtable for
6887         referenced_vars.
6888         (delete_tree_ssa): Adjust.
6889         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
6890         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
6891         (compute_tag_properties): Likewise.
6892         (set_initial_properties): Likewise.
6893         (find_partition_for): Likewise.
6894         (update_reference_counts): Likewise.
6895         (dump_may_aliases_for): Likewise.
6896         * tree-ssa-operands.c (add_virtual_operand): Likewise.
6897         (add_call_clobber_ops): Likewise.
6898         (add_call_read_ops): Likewise.
6899         (get_asm_expr_operands): Likewise.
6900         * tree-into-ssa.c (dump_decl_set): Likewise.
6901         (update_ssa): Likewise.
6902         * tree-sra.c (scan_function): Likewise.
6903         (decide_instantiations): Likewise.
6904         (scalarize_parms): Likewise.
6905         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
6906         (dsa_named_for): Likewise.
6907         * tree-ssa-structalias.c (update_alias_info): Likewise.
6908         (merge_smts_into): Likewise.
6909
6910 2008-02-27  David Daney  <ddaney@avtrex.com>
6911
6912         PR target/34409
6913         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
6914         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
6915         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
6916         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
6917         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
6918
6919 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
6920
6921         PR target/25477
6922         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
6923         (BUILT_IN_NEXTTOWARD): Remove.
6924         (BUILT_IN_NEXTTOWARDF): Ditto.
6925         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
6926         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
6927
6928 2008-02-27  Tom Tromey  <tromey@redhat.com>
6929
6930         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
6931         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
6932
6933 2008-02-27  Jan Beulich  <jbeulich@novell.com>
6934
6935         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
6936         update the respective field on newdecl.
6937
6938 2008-02-27  Revital Eres  <eres@il.ibm.com>
6939
6940         PR rtl-optimization/34999
6941         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
6942         crossing edges that ends with a call insn.
6943         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
6944         call insn and clear the EDGE_CROSSING flag of the crossing edge
6945         when fixing fallthru edges.
6946
6947 2008-02-27  Richard Guenther  <rguenther@suse.de>
6948
6949         PR middle-end/35390
6950         * fold-const.c (fold_unary): Return the correct argument,
6951         converted to the result type.
6952
6953 2008-02-27  Richard Guenther  <rguenther@suse.de>
6954
6955         PR middle-end/34971
6956         * expr.c (expand_expr_real_1): Assert on rotates that operate
6957         on partial modes.
6958         * fold-const.c (fold_binary): Use the types precision, not the
6959         bitsize of the mode if folding rotate expressions.  Build rotates
6960         only for full modes.
6961
6962 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
6963
6964         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
6965         and CPP_PRAGMA_EOL.
6966         * c-pragma.c (pragma_ns_name): New typedef.
6967         (registered_pp_pragmas): New variable.
6968         (c_pp_lookup_pragma): New function.
6969         (c_register_pragma_1): If flag_preprocess_only, do nothing
6970         for non-expanded pragmas, for expanded ones push pragma's
6971         namespace and name into registered_pp_pragmas vector.
6972         (c_invoke_pragma_handler): Register OpenMP pragmas even when
6973         flag_preprocess_only, don't register GCC pch_preprocess
6974         pragma if flag_preprocess_only.
6975         * c-opts.c (c_common_init): Call init_pragma even if
6976         flag_preprocess_only.
6977         * c-pragma.c (c_pp_lookup_pragma): New prototype.
6978         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
6979         cpp_register_pragma if flag_preprocess_only.
6980
6981 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
6982
6983         PR c/28800
6984         * c-parser.c (c_parser_translation_unit): Warn for empty
6985         translation unit, not empty source file.
6986
6987 2008-02-26  Paul Brook  <paul@codesourcery.com>
6988
6989         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
6990         operand for Thumb-2.
6991         * config/arm/arm.h (reg_class): Add CORE_REGS.
6992         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
6993         (BASE_REG_CLASS): Use CORE_REGS.
6994         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
6995         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
6996         (REGNO_OK_FOR_INDEX_P): Exclude SP.
6997         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
6998         ARM_REGNO_OK_FOR_INDEX_P.
6999         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
7000         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
7001         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
7002         (ldm/stm peepholes): Ditto.
7003         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
7004         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
7005         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
7006         * config/arm/constraints.md: Enable "k" constraint on ARM.
7007
7008 2008-02-27  Ben Elliston  <bje@au.ibm.com>
7009
7010         * config/rs6000/rs6000.c: Annotate cache line size field in all
7011         instances of struct processor_costs.
7012
7013 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
7014
7015         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
7016         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
7017         jump_bypass): New counters.
7018         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
7019         * dce.c (gate_ud_dce): Same.
7020         (gate_fast_dce): Same.
7021         * dse.c (gate_dse1): New function.
7022         (gate_dse2): New function.
7023         (gate_dse): Merge results of new gate functions.
7024         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
7025         (gate_handle_jump_bypass): Add dbg_cnt.
7026         (gate_handle_gcse): Add dbg_cnt.
7027         * ifcvt.c (gate_handle_if_conversion): Same.
7028         (gate_handle_if_after_combine): Same.
7029         (gate_handle_if_after_reload): Same.
7030         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
7031
7032 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
7033
7034         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
7035         line sizes.
7036         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
7037
7038 2008-02-26  Jason Merrill  <jason@redhat.com>
7039
7040         PR c++/35315
7041         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE 
7042         alone if it's the naming decl for the type's main variant.
7043
7044 2008-02-26  Tom Tromey  <tromey@redhat.com>
7045
7046         * system.h (USE_MAPPED_LOCATION): Poison.
7047         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
7048         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
7049         (make_goto_expr_edges): Likewise.
7050         (remove_bb): Likewise.
7051         (execute_warn_function_return): Likewise.
7052         * basic-block.h (struct edge_def) <goto_locus>: Change type to
7053         location_t.
7054         * c-common.c (fname_decl): Remove old location code.
7055         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
7056         location code.
7057         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
7058         variant.
7059         (ASM_INPUT_SOURCE_LOCATION): Likewise.
7060         (gen_rtx_ASM_INPUT): Likewise.
7061         (gen_rtx_ASM_INPUT_loc): Likewise.
7062         (get_rtx_asm_OPERANDS): Remove.
7063         * cfglayout.c (insn_locators_alloc): Remove old location code.
7064         (set_curr_insn_source_location): Likewise.
7065         (curr_insn_locator): Likewise.
7066         * print-tree.c (print_node): Remove old location code.
7067         * tree-mudflap.c (mf_varname_tree): Remove old location code.
7068         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
7069         * cfgexpand.c (expand_gimple_cond_expr): Don't use
7070         location_from_locus.
7071         (construct_exit_block): Remove old location code.
7072         * emit-rtl.c (force_next_line_note): Remove old location code.
7073         * profile.c (branch_prob): Remove old location code.
7074         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
7075         LOC_LINE): Remove old-location variants.
7076         * langhooks.c (lhd_print_error_function): Remove old location
7077         code.
7078         * configure, config.in: Rebuilt.
7079         * configure.ac (--enable-mapped-location): Remove.
7080         * c-decl.c (c_init_decl_processing): Remove old location code.
7081         (finish_function): Likewise.
7082         * recog.c (decode_asm_operands): Remove old location code.
7083         * c-pch.c (c_common_read_pch): Remove old location code.
7084         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
7085         variants.
7086         * gimple-low.c (lower_function_body): Remove old location code.
7087         * toplev.c (unknown_location): Remove.
7088         (push_srcloc): Remove old-location variant.
7089         (process_options): Remove old location code.
7090         (lang_dependent_init): Likewise.
7091         * input.h (UNKNOWN_LOCATION): Move definition.
7092         (location_t): Undeprecate.
7093         (source_locus): Remove.
7094         (location_from_locus): Remove.
7095         (struct location_s): Remove.
7096         Remove all old-location code.
7097         (input_line, input_filename): Remove.
7098         * final.c (final_scan_insn): Remove old location code.
7099         * diagnostic.c (diagnostic_build_prefix): Remove
7100         USE_MAPPED_LOCATION test.
7101         * tree.h (gimple_stmt) <locus>: Now a location_t.
7102         (tree_exp) <locus>: Likewise.
7103         (DECL_IS_BUILTIN): Remove old-location variant.
7104         (annotate_with_file_line, annotate_with_locus): Likewise.
7105         (expr_locus, set_expr_locus): Update.
7106         * tree.c (build1_stat): Remove old location code.
7107         (last_annotated_node): Remove.
7108         (annotate_with_file_line): Remove old-location variant.
7109         (annotate_with_locus): Likewise.
7110         (expr_location): Remove old location code.
7111         (set_expr_location): Likewise.
7112         (expr_has_location): Likewise.
7113         (expr_locus): Likewise.
7114         (set_expr_locus): Likewise.
7115         (expr_filename): Don't use location_from_locus.
7116         (expr_lineno): Likewise.
7117         * rtl-error.c (location_for_asm): Remove old location code.
7118         * c-lex.c (cb_line_change): Remove old location code.
7119         (fe_file_change): Likewise.
7120         (cb_def_pragma): Likewise.
7121         (c_lex_with_flags): Likewise.
7122         * gengtype.c (do_typedef): Don't special-case location types.
7123         (define_location_structures): Remove.
7124         (main): Don't call define_location_structures.
7125         * tree-pretty-print.c (dump_implicit_edges): Remove old location
7126         code.
7127
7128 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7129
7130         PR 26264
7131         * builtins.def (BUILT_IN_STDARG_START): Remove.
7132         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
7133         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7134         * tree-inline.c (inline_forbidden_p_1): Likewise.
7135         
7136 2008-02-26  Richard Guenther  <rguenther@suse.de>
7137
7138         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7139         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7140         (lookup_decl_from_uid): Declare.
7141         (remove_decl_from_map): Likewise.
7142         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7143         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7144         (decl_for_uid_map): New global hashtable mapping DECL_UID
7145         to the decl tree.
7146         (init_ttree): Allocate it.
7147         (insert_decl_to_uid_decl_map): New helper function.
7148         (make_node_stat): Insert new decls into the map.
7149         (copy_node_stat): Likewise.
7150         (lookup_decl_from_uid): New function.
7151         (remove_decl_from_map): Likewise.
7152         (print_decl_for_uid_map_statistics): New helper.
7153         (dump_tree_statistics): Call it.
7154
7155         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7156         (referenced_var_iterator): Adjust.
7157         (FOR_EACH_REFERENCED_VAR): Adjust.
7158         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7159         (num_referenced_vars): Adjust.
7160         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7161         (first_referenced_var): Remove.
7162         (end_referenced_vars_p): Likewise.
7163         (next_referenced_var): Likewise.
7164         (referenced_var_iterator_set): New helper function.
7165         * tree-dfa.c (referenced_var_lookup): Adjust.
7166         (referenced_var_check_and_insert): Likewise.
7167         (remove_referenced_var): Likewise.
7168         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7169         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7170         (verify_call_clobbering): Likewise.
7171         (verify_memory_partitions): Likewise.
7172         (init_tree_ssa): Allocate bitmap instead of hashtable for
7173         referenced_vars.
7174         (delete_tree_ssa): Adjust.
7175         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7176         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7177         (compute_tag_properties): Likewise.
7178         (set_initial_properties): Likewise.
7179         (find_partition_for): Likewise.
7180         (update_reference_counts): Likewise.
7181         (dump_may_aliases_for): Likewise.
7182         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7183         (add_call_clobber_ops): Likewise.
7184         (add_call_read_ops): Likewise.
7185         (get_asm_expr_operands): Likewise.
7186         * tree-into-ssa.c (dump_decl_set): Likewise.
7187         (update_ssa): Likewise.
7188         * tree-sra.c (scan_function): Likewise.
7189         (decide_instantiations): Likewise.
7190         (scalarize_parms): Likewise.
7191         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7192         (dsa_named_for): Likewise.
7193         * tree-ssa-structalias.c (update_alias_info): Likewise.
7194         (merge_smts_into): Likewise.
7195
7196 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7197
7198         PR 34351
7199         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
7200         * c-opts.c (c_common_handle_option): Wall enables
7201         Wvolatile-register-var.
7202         * common.opt: Move Wvolatile-register-var to...
7203         * c.opt: ...here.
7204         
7205 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7206
7207         * common.opt (Wlarger-than=): New.
7208         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
7209         -Wlarger-than=.
7210         * opts.c (common_handle_option): Handle -Wlarger-than=.
7211         * optc-gen.awk: Likewise.
7212         * opth-gen.awk: Likewise.
7213         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
7214         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7215         
7216 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7217
7218         * c-common.c (match_case_to_enum_1): Add appropriate
7219         OPT_W* parameter to warning.
7220         (c_do_switch_warnings): Likewise.
7221         * c-typeck.c (warning_init): Add one more parameter following
7222         'warning' function.
7223         (push_init_level): Update call to warning_init.
7224         (pop_init_level): Likewise.
7225         (add_pending_init): Likewise.
7226         (output_init_element: Likewise.
7227
7228 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7229
7230         PR 28322
7231         * toplev.c (toplev_main): If there are warnings or error, print
7232         errors for ignored options.
7233         * opts.c (ignored_options): New static variable.
7234         (postpone_unknown_option_error): New.
7235         (print_ignored_options): New.
7236         (handle_option): Postpone errors for unknown -Wno-* options.
7237         * opts.h (print_ignored_options): Declare.
7238         
7239 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
7240
7241         * config/mips/mips.md (loadgp_blockage, blockage): Change type
7242         to "ghost".
7243
7244 2008-02-25  Richard Guenther  <rguenther@suse.de>
7245
7246         Revert:
7247         2008-02-25  Richard Guenther  <rguenther@suse.de>
7248
7249         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7250         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7251         (lookup_decl_from_uid): Declare.
7252         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7253         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7254         (decl_for_uid_map): New global hashtable mapping DECL_UID
7255         to the decl tree.
7256         (init_ttree): Allocate it.
7257         (insert_decl_to_uid_decl_map): New helper function.
7258         (make_node_stat): Insert new decls into the map.
7259         (copy_node_stat): Likewise.
7260         (lookup_decl_from_uid): New function.
7261         (print_decl_for_uid_map_statistics): New helper.
7262         (dump_tree_statistics): Call it.
7263
7264         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7265         (referenced_var_iterator): Adjust.
7266         (FOR_EACH_REFERENCED_VAR): Adjust.
7267         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7268         (num_referenced_vars): Adjust.
7269         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7270         (first_referenced_var): Remove.
7271         (end_referenced_vars_p): Likewise.
7272         (next_referenced_var): Likewise.
7273         (referenced_var_iterator_set): New helper function.
7274         * tree-dfa.c (referenced_var_lookup): Adjust.
7275         (referenced_var_check_and_insert): Likewise.
7276         (remove_referenced_var): Likewise.
7277         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7278         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7279         (verify_call_clobbering): Likewise.
7280         (verify_memory_partitions): Likewise.
7281         (init_tree_ssa): Allocate bitmap instead of hashtable for
7282         referenced_vars.
7283         (delete_tree_ssa): Adjust.
7284         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7285         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7286         (compute_tag_properties): Likewise.
7287         (set_initial_properties): Likewise.
7288         (find_partition_for): Likewise.
7289         (update_reference_counts): Likewise.
7290         (dump_may_aliases_for): Likewise.
7291         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7292         (add_call_clobber_ops): Likewise.
7293         (add_call_read_ops): Likewise.
7294         (get_asm_expr_operands): Likewise.
7295         * tree-into-ssa.c (dump_decl_set): Likewise.
7296         (update_ssa): Likewise.
7297         * tree-sra.c (scan_function): Likewise.
7298         (decide_instantiations): Likewise.
7299         (scalarize_parms): Likewise.
7300         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7301         (dsa_named_for): Likewise.
7302         * tree-ssa-structalias.c (update_alias_info): Likewise.
7303         (merge_smts_into): Likewise.
7304
7305 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7306
7307         PR fortran/29549
7308         * doc/invoke.texi (-fcx-limited-range): Document new option.
7309         * toplev.c (process_options): Handle -fcx-fortran-rules.
7310         * common.opt: Add documentation for -fcx-fortran-rules.
7311
7312 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
7313
7314         PR c/35162
7315         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
7316         actual behaviour and C99.
7317         
7318 2008-02-26  Ben Elliston  <bje@au.ibm.com>
7319
7320         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
7321         (ASM_CPU_POWER6_SPEC): Likewise.
7322         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
7323         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
7324         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
7325
7326 2008-02-25  Richard Guenther  <rguenther@suse.de>
7327
7328         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
7329         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
7330         (lookup_decl_from_uid): Declare.
7331         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
7332         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
7333         (decl_for_uid_map): New global hashtable mapping DECL_UID
7334         to the decl tree.
7335         (init_ttree): Allocate it.
7336         (insert_decl_to_uid_decl_map): New helper function.
7337         (make_node_stat): Insert new decls into the map.
7338         (copy_node_stat): Likewise.
7339         (lookup_decl_from_uid): New function.
7340         (print_decl_for_uid_map_statistics): New helper.
7341         (dump_tree_statistics): Call it.
7342
7343         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
7344         (referenced_var_iterator): Adjust.
7345         (FOR_EACH_REFERENCED_VAR): Adjust.
7346         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
7347         (num_referenced_vars): Adjust.
7348         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
7349         (first_referenced_var): Remove.
7350         (end_referenced_vars_p): Likewise.
7351         (next_referenced_var): Likewise.
7352         (referenced_var_iterator_set): New helper function.
7353         * tree-dfa.c (referenced_var_lookup): Adjust.
7354         (referenced_var_check_and_insert): Likewise.
7355         (remove_referenced_var): Likewise.
7356         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
7357         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7358         (verify_call_clobbering): Likewise.
7359         (verify_memory_partitions): Likewise.
7360         (init_tree_ssa): Allocate bitmap instead of hashtable for
7361         referenced_vars.
7362         (delete_tree_ssa): Adjust.
7363         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
7364         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
7365         (compute_tag_properties): Likewise.
7366         (set_initial_properties): Likewise.
7367         (find_partition_for): Likewise.
7368         (update_reference_counts): Likewise.
7369         (dump_may_aliases_for): Likewise.
7370         * tree-ssa-operands.c (add_virtual_operand): Likewise.
7371         (add_call_clobber_ops): Likewise.
7372         (add_call_read_ops): Likewise.
7373         (get_asm_expr_operands): Likewise.
7374         * tree-into-ssa.c (dump_decl_set): Likewise.
7375         (update_ssa): Likewise.
7376         * tree-sra.c (scan_function): Likewise.
7377         (decide_instantiations): Likewise.
7378         (scalarize_parms): Likewise.
7379         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
7380         (dsa_named_for): Likewise.
7381         * tree-ssa-structalias.c (update_alias_info): Likewise.
7382         (merge_smts_into): Likewise.
7383
7384 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
7385
7386         PR target/35258
7387         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
7388         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
7389         * alias.h (nonoverlapping_memrefs_p): Likewise.
7390
7391 2008-02-25  Jan Beulich  <jbeulich@novell.com>
7392
7393         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
7394         * config/i386/netware-libgcc.exp: Add __bswap?i2,
7395         __emultls_get_address, __emultls_register_common,
7396         __floatundi?f, and _Unwind_GetIPInfo.
7397         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
7398         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
7399         (gen_regparm_prefix): Likewise.
7400         (i386_nlm_encode_section_info): Sync with
7401         config/i386/winnt.c:i386_pe_encode_section_info().
7402         (i386_nlm_maybe_mangle_decl_assembler_name): New.
7403         i386_nlm_mangle_decl_assembler_name): New.
7404         (netware_override_options): New.
7405         * config/i386/netware.h (netware_override_options): Declare.
7406         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
7407         (i386_nlm_mangle_decl_assembler_name): Declare.
7408         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
7409
7410 2008-02-25  Ben Elliston  <bje@au.ibm.com>
7411
7412         PR other/32948
7413         * c-decl.c (grokdeclarator): Remove unused local variables
7414         `typedef_type' and `type_as_written'.
7415         * bb-reorder.c
7416         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
7417         unused local variable `has_hot_blocks'.
7418         (fix_crossing_conditional_branches): Remove unused local variable
7419         `prev_bb'.
7420         
7421 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
7422
7423         PR middle-end/19984
7424         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
7425         using DEF_C99_BUILTIN.
7426         (BUILT_IN_NANF): Ditto.
7427         (BUILT_IN_NANL): Ditto.
7428
7429 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
7430             Revital Eres  <eres@il.ibm.com>
7431
7432         * modulo-sched.c (calculate_must_precede_follow): Address TODO
7433         regarding the order of two dependent insns in the same row.
7434
7435 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
7436
7437         * stor-layout.c (layout_decl): Do not bump the alignment of a
7438         bit-field to more than byte alignment if it is packed.
7439
7440 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
7441
7442         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
7443         e300c2 and e300c3.
7444
7445 2008-02-24  Diego Novillo  <dnovillo@google.com>
7446
7447         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
7448
7449         PR 33738
7450         * tree-vrp.c (vrp_evaluate_conditional): With
7451         -Wtype-limits, emit a warning when comparing against a
7452         constant outside the natural range of OP0's type.
7453         * c.opt (Wtype-limits): Move ...
7454         * common.opt (Wtype-limits): ... here.
7455
7456 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
7457
7458         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
7459         * config/rs6000/e300c2c3.md: New file.
7460         * config/rs6000/rs6000.c (processor_costs): Add new costs for
7461         e300c2 and e300c3.
7462         (rs6000_override_options): Add e300c2 and e300c3 cases to
7463         processor_target_table. Do not allow usage of Altivec or Spe
7464         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
7465         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
7466         * config/rs6000/rs6000.h (processor_type): Add
7467         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
7468         (ASM_CPU_SPEC): Add e300c2 and e300c3.
7469         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
7470         and ppce300c3. Include e300c2c3.md.
7471
7472 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
7473
7474         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
7475         instead of TARGET_STRICT_ALIGN.
7476
7477 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
7478
7479         * explow.c (memory_address): Assert that the generated address is
7480         valid.
7481
7482 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
7483
7484         PR target/25477
7485         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
7486         * config/darwin-ppc-ldouble-patch.def: New file.
7487         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
7488         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
7489         SUBTARGET_INIT_BUILTINS if defined.
7490         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
7491         New functions.
7492
7493 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7494
7495         PR rtl-opt/33512
7496         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
7497         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
7498
7499 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7500
7501         PR pch/35027
7502         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
7503         file" warning condtional on -Winvalid-PCH.
7504
7505 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7506
7507         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
7508
7509 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
7510
7511         PR target/22076
7512         PR target/34256 
7513         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
7514         prevent reload from using MMX registers.
7515         (*mov<mode>_internal): Ditto.
7516         (*movv2sf_internal_rex64): Ditto.
7517         (*movv2sf_internal): Ditto.
7518
7519 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7520
7521         PR documentation/31569
7522         * doc/install.texi2html: Use makeinfo --no-number-sections.
7523
7524 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7525
7526         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
7527         ensure that we can address an entire entity > 8 bytes.  Don't
7528         generate reg+reg addressing for such data.
7529
7530 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7531
7532         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
7533         strings when optimizing for size, unless the target cares about
7534         alignment.
7535
7536 2008-02-22  Tom Tromey  <tromey@redhat.com>
7537
7538         * regclass.c (current_pass): Remove declaration.
7539
7540 2008-02-22  Anatoly Sokolov <aesok@post.ru>
7541
7542         * config/avr/libgcc.S (__RAMPZ__): Define.
7543         (__do_copy_data): Add for devices with 128KB code memory.
7544
7545 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
7546
7547         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7548         Use spe_abi.
7549         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
7550
7551 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
7552
7553         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
7554         GENNONACR_REGS.
7555
7556 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7557
7558         PR c/19999
7559         * c-typeck.c (build_binary_op): Warn about floating point
7560         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
7561
7562 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
7563
7564         PR target/34526
7565         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
7566         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
7567         add vrsave.
7568         (rs6000_override_options): Set altivec_abi as default, not override,
7569         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
7570         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
7571         is used; use new member spe_abi.
7572         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
7573         spe_abi and altivec_abi.
7574
7575 2008-02-22  Tomas Bily  <tbily@suse.cz>
7576
7577         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
7578
7579 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7580
7581         PR bootstrap/35273
7582         * config.build (build_file_translate): Set to `CMD //c' only if
7583         it works.
7584         * Makefile.in (build_file_translate): Improve comment.
7585
7586 2008-02-21  Jan Hubicka  <jh@suse.cz>
7587
7588         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
7589         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
7590         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
7591
7592 2008-02-21  Michael Matz  <matz@suse.de>
7593
7594         PR target/35264
7595         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
7596
7597 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
7598
7599         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
7600         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
7601         as insn constraint.
7602         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
7603         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
7604         SSE_VEC_FLOAT_MODE_P as insn constraint.
7605         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
7606         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
7607         sse4a_movntdf using MODEF mode iterator.
7608         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
7609         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
7610         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
7611         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
7612         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
7613         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
7614         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
7615
7616 2008-02-21  Richard Guenther  <rguenther@suse.de>
7617
7618         * tree.def (PAREN_EXPR): New tree code.
7619         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
7620         and PAREN_EXPR.
7621         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
7622         * expr.c (expand_expr_real_1): Likewise.
7623         * tree-inline.c (estimate_num_insns_1): Likewise.
7624         * tree-complex.c (expand_complex_move): Likewise.
7625         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
7626         as plain x.
7627
7628 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7629
7630         PR target/35225
7631         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
7632
7633 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
7634
7635         PR target/35190
7636         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
7637
7638         * config/sh/sh.c (find_barrier): Don't go past
7639         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
7640
7641 2008-02-20  DJ Delorie  <dj@redhat.com>
7642
7643         * config/h8300/h8300.md (insv): Force source operand to be a register.
7644
7645         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
7646         as a jump, not as a plain insn.
7647         
7648 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
7649
7650         * doc/invoke.texi (Warning Options): Add new option
7651         -Wframe-larger-than=.
7652         (-Wframe-larger-than): Document.
7653
7654         * flags.h (warn_frame_larger_than, frame_larger_than_size):
7655         Add declarations for new option variables.
7656
7657         * final.c (final_start_function): Check the frame size
7658         before emission and issue a Wframe-larger-than warning.
7659
7660         * opts.c (warn_frame_larger_than, frame_larger_than_size):
7661         Add definitions for new option variables.
7662         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
7663
7664         * common.opt (Wframe-larger-than=): New option.
7665
7666 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7667
7668         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
7669         (<sse>_div<mode>3): Ditto.
7670         (<sse>_vmdiv<mode>3): Ditto.
7671         (<sse>_vmsqrt<mode>2): Ditto.
7672         (*smax<mode>3): Ditto.
7673         (sse5_frcz<mode>2): Ditto.
7674         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
7675         as insn constraint.
7676
7677 2008-02-20  Richard Guenther  <rguenther@suse.de>
7678
7679         PR middle-end/35265
7680         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
7681         be happy with INTEGRAL_TYPE_P.
7682
7683 2008-02-20  Richard Guenther  <rguenther@suse.de>
7684
7685         * fold-const.c (split_tree): Associate floatig-point expressions
7686         if flag_associative_math is set.
7687
7688 2008-02-20  Richard Guenther  <rguenther@suse.de>
7689
7690         * tree.h (fold_real_zero_addition_p): Declare.
7691         * fold-const.c (fold_real_zero_addition_p): Export.
7692         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
7693         floating-point operations with zero and one.
7694
7695 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
7696
7697         * doc/install.texi: Correct references to CFLAGS, replacing them
7698         with BOOT_CFLAGS.  Document flags used during bootstrap for
7699         target libraries.
7700                                 
7701 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
7702
7703         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
7704         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
7705         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
7706         insn constraint.
7707         (smin<mode>3): Ditto from similar patterns.
7708         (smax<mode>3): Ditto.
7709         (*ieee_smin<mode>3): Ditto.
7710         (*ieee_smax<mode>3): Ditto.
7711         * config/i386/sse.md (sse): New mode attribute.
7712         (mov<mode>): Macroize expander from movv4sf and movv2df using
7713         SSEMODEF2P mode iterator.
7714         (<sse>_movnt<mode>): Ditto from similar patterns. Use
7715         SSE_VEC_FLOAT_MODE_P as insn constraint.
7716         (storent<mode>): Ditto.
7717         (storent<mode>): Macroize expander from storentsf and storentdf using
7718         MODEF mode iterator.
7719         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
7720         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
7721         (abs<mode>2): Ditto from similar patterns.
7722         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
7723         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
7724         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
7725         (<sse>_vmsqrt<mode>2): Ditto.
7726         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
7727         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
7728         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
7729         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
7730         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
7731         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
7732         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
7733         insn constraint.
7734         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
7735         iterator and SSE_FLOAT_MODE_P as insn constraint.
7736         (<sse>_ucomi): Ditto from similar patterns.
7737         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
7738         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
7739         SSE_VEC_FLOAT_MODE_P as insn constraint.
7740         (vcond<mode>): Ditto from similar patterns.
7741         (and<mode>3, *and<mode>3): Ditto.
7742         (<sse>_nand<mode>3): Ditto.
7743         (ior<mode>3, *ior<mode>3): Ditto.
7744         (xor<mode>3, *xor<mode>3): Ditto.
7745         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
7746         iterator and SSE_FLOAT_MODE_P as insn constraint.
7747         (*nand<mode>3): Ditto from similar patterns.
7748         (*ior<mode>3): Ditto.
7749         (*xor<mode>3): Ditto.
7750
7751 2008-02-20  Ira Rosen  <irar@il.ibm.com>
7752
7753         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
7754         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
7755         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
7756
7757 2008-02-19  Jan Hubicka  <jh@suse.cz>
7758
7759         * predict.c (tree_bb_level_predictions): Remove variable next
7760         mistakely introduced by previous commit.
7761
7762 2008-02-19  Jan Hubicka  <jh@suse.cz>
7763
7764         * predict.c (predict_paths_leading_to): Rewrite.
7765         (predict_paths_for_bb): New.
7766         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
7767
7768 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7769
7770         PR bootstrap/35218
7771         * Makefile.in (build_file_translate): New.
7772         (gcc-vers.texi): Use it for translating $(abs_srcdir).
7773         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
7774         * configure.ac (build_file_translate): Substitute it.
7775         * configure: Regenerate.
7776
7777 2008-02-19  Jan Hubicka  <jh@suse.cz>
7778
7779         PR rtl-optimization/34408
7780         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
7781         invalid sharing.
7782
7783 2008-02-19  Jan Hubicka  <jh@suse.cz>
7784
7785         PR middle-end/28779
7786         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
7787         call_expr.
7788
7789 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
7790
7791         PR Ada/35186
7792         * config/i386/i386-modes.def: Revert the last DI alignment
7793         change until Ada people can look into it.
7794
7795 2008-02-19  Nick Clifton  <nickc@redhat.com>
7796
7797         * opts.c (print_specific_help): Fix typo in --help text.
7798
7799 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
7800
7801         PR target/35239
7802         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
7803         32-bit inline asm without asm alternatives for host GCC < 3.0.
7804
7805 2008-02-19  Richard Guenther  <rguenther@suse.de>
7806
7807         PR tree-optimization/34989
7808         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
7809         Allow propagation to INDIRECT_REF if we can simplify only.
7810
7811 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7812
7813         * c-common.c (warn_for_collisions_1): Use appropriate option when
7814         warning.
7815
7816 2008-02-19  Nick Clifton  <nickc@redhat.com>
7817
7818         PR other/31349
7819         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
7820         (handle_options): Fix indentation.
7821         (print_filtered_help): If no language-specific options were
7822         displayed tell the user how to list all the options supported by
7823         the language's front-end.
7824         (print_specific_help): Fix indentation and remove duplicate line.
7825         (common_handle_option): Handle the -v option.
7826         For --help enable the display of undocumented options if the -v
7827         switch has been included on the command line.
7828         For --help= check for overlaps in the arguments between the option
7829         classes and the language names and issue a warning when they
7830         cannot be disambiguated.
7831         * c.opt (v): Pass on to the common option handler.
7832
7833 2008-02-19  Revital Eres  <eres@il.ibm.com> 
7834
7835         * modulo-sched.c (sms_schedule): Change dump message when
7836         create_ddg function fails.
7837         (try_scheduling_node_in_cycle): Rename row to cycle.
7838         (print_partial_schedule): Rename CYCLE to ROW.
7839
7840 2008-02-19  Christian Bruel  <christian.bruel@st.com>
7841             Zdenek Dvorak  <ook@ucw.cz>
7842
7843         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
7844
7845 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7846
7847         PR target/33555
7848         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
7849         (*x86_movdicc_0_m1_se): Ditto.
7850
7851 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
7852
7853         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
7854         (CMPtype): Define as __gcc_CMPtype.
7855         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
7856         (CMPtype): Define as __gcc_CMPtype.
7857
7858 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
7859
7860         Support valgrind 3.3 for --enable-checking=valgrind.
7861         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
7862         here.
7863         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
7864         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
7865         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
7866         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
7867         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
7868         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
7869         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
7870         respectively.
7871         * ggc-zone.c: Similar.
7872         * ggc-page.c: Similar.
7873
7874 2008-02-19  Paul Brook  <paul@codesourcery.com>
7875
7876         PR target/35071
7877         * config/arm/ieee754-df.S: Fix do_it typo.
7878         * config/arm/ieee754-sf.S: Fix do_it typo.
7879
7880 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7881
7882         PR target/35189
7883         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
7884         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
7885         (OPTION_MASK_ISA_SSE_SET): Likewise.
7886         (OPTION_MASK_ISA_SSE2_SET): Likewise.
7887         (OPTION_MASK_ISA_SSE3_SET): Likewise.
7888         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
7889         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
7890         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
7891         (OPTION_MASK_ISA_SSE4_SET): Likewise.
7892         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
7893         (OPTION_MASK_ISA_SSE5_SET): Likewise.
7894         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
7895         (OPTION_MASK_ISA_MMX_UNSET): Updated.
7896         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
7897         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
7898         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
7899         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
7900         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
7901         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
7902         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
7903         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
7904         (OPTION_MASK_ISA_SSE4): Removed.
7905         (ix86_handle_option): Turn on bits in ix86_isa_flags and
7906         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
7907         (override_options): Don't turn on implied SSE/MMX bits in
7908         ix86_isa_flags.
7909
7910 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
7911
7912         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
7913         32bit host.
7914
7915 2008-02-18  Joey Ye  <joey.ye@intel.com>
7916
7917         PR middle-end/34921
7918         * tree-nested.c (insert_field_into_struct): Set type alignment
7919         to field alignment if the former is less than the latter.
7920
7921 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
7922
7923         * BASE-VER: Set to 4.4.0.
7924
7925 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7926
7927         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
7928         * doc/cfg.texi: Likewise.
7929         * doc/extend.texi: Likewise.
7930         * doc/gty.texi: Likewise.
7931         * doc/invoke.texi: Likewise.
7932         * doc/loop.texi: Likewise.
7933         * doc/md.texi: Likewise.
7934         * doc/passes.texi: Likewise.
7935         * doc/rtl.texi: Likewise.
7936         * doc/sourcebuild.texi: Likewise.
7937         * doc/tm.texi: Likewise.
7938         * doc/tree-ssa.texi: Likewise.
7939
7940 2008-02-17  Richard Guenther  <rguenther@suse.de>
7941
7942         PR middle-end/35227
7943         * tree-complex.c (init_parameter_lattice_values): Handle parameters
7944         without default definition.
7945
7946 2008-02-17  Richard Guenther  <rguenther@suse.de>
7947
7948         PR tree-optimization/35231
7949         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
7950         if A | B != 1.
7951
7952 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
7953
7954         Revert:
7955         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
7956         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7957         libgcc_cmp_return mode.
7958
7959 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7960
7961         PR c/28368
7962         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
7963
7964 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
7965
7966         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
7967         multilibs.
7968
7969 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7970
7971         * doc/c-tree.texi: Use `@.' where appropriate.
7972         * doc/extend.texi: Likewise.
7973         * doc/install.texi: Likewise.
7974         * doc/invoke.texi: Likewise.
7975         * doc/loop.texi: Likewise.
7976         * doc/makefile.texi: Likewise.
7977         * doc/md.texi: Likewise.
7978         * doc/passes.texi: Likewise.
7979         * doc/standards.texi: Likewise.
7980         * doc/tm.texi: Likewise.
7981
7982 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7983
7984         PR middle-end/35196
7985         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
7986         in entry_bb.
7987         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
7988         rather than in entry_bb.
7989
7990 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
7991
7992         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
7993         libgcc_cmp_return mode.
7994
7995 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
7996
7997         PR middle-end/35130
7998         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
7999         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
8000
8001 2008-02-15  Richard Guenther  <rguenther@suse.de>
8002             Zdenek Dvorak  <ook@ucw.cz>
8003
8004         PR tree-optimization/35164
8005         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
8006         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
8007         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
8008         Only propagate addresses which do not have abnormal SSA_NAMEs
8009         in their operands.
8010
8011 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
8012
8013         PR target/35088
8014         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
8015
8016 2008-02-15  Jan Hubicka  <jh@suse.cz>
8017
8018         PR middle-end/35149
8019         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
8020
8021 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8022
8023         PR middle-end/34621
8024         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
8025         when calculating alignment_pad.
8026
8027 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
8028
8029         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
8030         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
8031         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
8032         and STACK_BOUNDARY define.
8033
8034 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
8035
8036         PR preprocessor/35061
8037         * c-pragma.c (handle_pragma_pop_macro): Check that
8038         pushed_macro_table has been allocated.
8039
8040 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
8041
8042         PR middle-end/35136
8043         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
8044         (force_gimple_operand): Likewise.
8045         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
8046         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
8047         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
8048         (find_interesting_uses_address): Check addressability and alignment
8049         of the base expression only after substituting bases of IVs into it.
8050
8051 2008-02-14  Michael Matz  <matz@suse.de>
8052
8053         PR target/34930
8054         * function.c (instantiate_virtual_regs_in_insn): Reload address
8055         before falling back to reloading the whole operand.
8056
8057 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
8058
8059         * config/s390/s390.c (s390_mainpool_start): Emit the pool
8060         before the first section switch note.
8061
8062 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8063
8064         * doc/bugreport.texi: Update copyright years.
8065         * doc/c-tree.texi: Likewise.
8066         * doc/cfg.texi: Likewise.
8067         * doc/cpp.texi: Likewise.
8068         * doc/cppinternals.texi: Likewise.
8069         * doc/fragments.texi: Likewise.
8070         * doc/frontends.texi: Likewise.
8071         * doc/gcc.texi: Likewise.
8072         * doc/gty.texi: Likewise.
8073         * doc/hostconfig.texi: Likewise.
8074         * doc/implement-c.texi: Likewise.
8075         * doc/libgcc.texi: Likewise.
8076         * doc/loop.texi: Likewise.
8077         * doc/makefile.texi: Likewise.
8078         * doc/options.texi: Likewise.
8079         * doc/passes.texi: Likewise.
8080         * doc/rtl.texi: Likewise.
8081         * doc/sourcebuild.texi: Likewise.
8082         * doc/standards.texi: Likewise.
8083         * doc/tree-ssa.texi: Likewise.
8084         * doc/trouble.texi: Likewise.
8085
8086         * doc/extend.texi: Use @: or add comma where appropriate.
8087         * doc/invoke.texi: Likewise.
8088         * doc/tm.texi: Likewise.
8089
8090 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
8091
8092         PR target/34393
8093         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
8094         to a reg.
8095
8096 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
8097
8098         * doc/md.texi (clz, ctz): Add reference.
8099         * doc/rtl.texi (clz, ctz): Likewise.
8100
8101 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8102
8103         PR other/35148
8104         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
8105         srcdir.
8106
8107 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
8108
8109         * config/s390/s390.c (struct constant_pool): New field
8110         emit_pool_after added.
8111         (s390_mainpool_start): Set the emit_pool_after flag according
8112         to the section switch notes.
8113         (s390_mainpool_finish): Consider emit_pool_after when emitting
8114         the literal pool at the end of the function.
8115         (s390_chunkify_start): Force literal pool splits at section
8116         switch notes.
8117
8118 2008-02-13  Michael Matz  <matz@suse.de>
8119
8120         PR debug/35065
8121         * var-tracking.c (clobber_variable_part): Correctly traverse the
8122         list.
8123
8124 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8125
8126         PR 29673
8127         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
8128         Add -fdump-ipa-inline.
8129         * tree-dump.c (dump_files): Remove tree-inlined dump.
8130         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
8131         
8132 2008-02-12  Richard Guenther  <rguenther@suse.de>
8133
8134         PR tree-optimization/35171
8135         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
8136         default defs.
8137
8138 2008-02-12  Richard Guenther  <rguenther@suse.de>
8139
8140         PR middle-end/35163
8141         * fold-const.c (fold_widened_comparison): Use get_unwidened in
8142         value-preserving mode.  Disallow final truncation.
8143
8144 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
8145
8146         PR middle-end/35136
8147         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
8148         code from here to...
8149         (force_gimple_operand): ...here.
8150
8151 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
8152
8153         PR c++/35144
8154         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
8155         non-compatible pointers.
8156         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
8157         different FIELD_DECLs, try harder by comparing field offsets, sizes
8158         and types.
8159
8160         PR inline-asm/35160
8161         * function.c (match_asm_constraints_1): Don't replace the same input
8162         multiple times.
8163
8164 2008-02-12  Anatoly Sokolov <aesok@post.ru>
8165
8166         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
8167         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
8168         (expand_epilogue): Restore RAMPZ register.
8169         * config/avr/avr.md (RAMPZ_ADDR): New constant.
8170
8171 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
8172
8173         * config/i386/cygwin.asm: (__alloca): Correct calling
8174         convention and alignment.
8175         (__chkstk): Force 8 byte stack alignment.
8176
8177 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
8178             Richard Guenther  <rguenther@suse.de>
8179
8180         PR tree-optimization/33992
8181         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
8182         the zero we compare against.
8183
8184 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
8185
8186         PR libfortran/35063
8187         * gthr-win32.h (__gthread_mutex_destroy_function): New function
8188         to CloseHandle after unlocking to prevent accumulation of handle
8189         count.
8190
8191 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8192
8193         PR middle_end/34150
8194         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
8195         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
8196         and update LABEL_NUSES during and after reload.
8197
8198 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
8199
8200         PR middle-end/34627
8201         * combine.c (simplify_if_then_else): Make sure the comparison is
8202         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
8203
8204 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
8205
8206         PR bootstrap/35051
8207         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
8208         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
8209         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
8210         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
8211         * tree.h (get_type_static_bounds): Likewise.
8212
8213 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8214
8215         * doc/invoke.texi (Option Summary, C++ Dialect Options)
8216         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8217         Make -Wfoo language annotations match what the compiler outputs.
8218
8219 2008-02-08  Sa Liu  <saliu@de.ibm.com>
8220
8221         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
8222         intrinsics spu_convts, spu_convtu, spu_convtf.
8223
8224 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
8225
8226         * doc/extend.texi (Function Attributes) <noinline>: Mention
8227         asm ("") as method to keep calls.
8228
8229 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8230
8231         PR other/32754
8232         * doc/options.texi (Options): Replace references to opts.sh with
8233         optc-gen.awk.
8234         * opts-common.c: Likewise.
8235         * optc-gen.awk: Likewise.
8236         
8237 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
8238
8239         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
8240
8241 2008-02-07  Richard Henderson  <rth@redhat.com>
8242
8243         PR rtl-opt/33410
8244         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
8245         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
8246         funny mode.
8247
8248 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
8249
8250         PR tree-optimization/35085
8251         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
8252         for operand entry oe2 in addition to operand entry oe3 in order to
8253         expose more opportunities for vectorizer sum reduction.
8254
8255 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8256
8257         PR other/35107
8258         * Makefile.in (LIBS): Remove $(GMPLIBS).
8259         (cc1-dummy, cc1): Add $(GMPLIBS).
8260
8261 2008-02-06  Jan Hubicka  <jh@suse.cz>
8262
8263         PR target/23322
8264         * i386.md (moddf_integer): Do not produce partial memory stalls for
8265         targets where it hurts.
8266
8267 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
8268
8269         PR target/35083
8270         * optabs.c (expand_float): Do not check for decimal modes when
8271         expanding unsigned integer through signed conversion.
8272
8273 2008-02-06  Nick Clifton  <nickc@redhat.com>
8274
8275         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
8276         inside the clobber with a match_operand and duplicated operand
8277         number in the constraint.
8278         (ineqbranchsi): Delete redundant comment.
8279
8280 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
8281
8282         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
8283         builtin_define ("__USE_INIT_FINI__").
8284         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
8285         -msx multilibs.
8286         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
8287
8288 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8289
8290         PR documentation/30330
8291         * doc/invoke.texi (C++ Dialect Options)
8292         (Objective-C and Objective-C++ Dialect Options, Warning Options):
8293         For each warning option -Wfoo that allows -Wno-foo, ensure both
8294         -Wfoo and -Wno-foo are listed in the option index.  Fix index
8295         entry of -Wswitch-default, index -Wnormalized= including the
8296         `=', and -Wlarger-than-@var{len} including @var{len}.
8297
8298 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8299
8300         * config/i386/i386.md (floatunssisf2): Use
8301         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
8302         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
8303         Macroize expander using MODEF mode iterator.
8304
8305 2008-02-05  Diego Novillo  <dnovillo@google.com>
8306
8307         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
8308
8309         PR 33738
8310         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
8311
8312 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8313
8314         PR other/35070
8315         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
8316
8317 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
8318
8319         PR target/35084
8320         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
8321         to indicate if a message should be generated.
8322         (init_cumulative_args): Updated.
8323         (function_value_32): Likewise.
8324
8325 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
8326
8327         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
8328
8329 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
8330
8331         PR target/35083
8332         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
8333         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
8334
8335 2008-02-04  Diego Novillo  <dnovillo@google.com>
8336
8337         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
8338
8339         PR 33738
8340         * tree-vrp.c (vrp_evaluate_conditional): With
8341         -Wtype-limits, emit a warning when comparing against a
8342         constant outside the natural range of OP0's type.
8343
8344 2008-02-04  Richard Guenther  <rguenther@suse.de>
8345
8346         PR middle-end/33631
8347         * expr.c (count_type_elements): Give for unions instead of
8348         guessing.
8349
8350 2008-02-04  Richard Guenther  <rguenther@suse.de>
8351
8352         PR middle-end/35043
8353         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
8354         to TYPE_DOMAINs base type instead of using bitsizetype here.
8355
8356 2008-02-03  Jason Merrill  <jason@redhat.com>
8357
8358         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
8359
8360 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8361
8362         PR other/29972
8363         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
8364         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
8365         (RS/6000 and PowerPC Options): Fix typos and markup.
8366         * doc/passes.texi (Tree-SSA passes): Likewise.
8367
8368 2008-02-02  Michael Matz  <matz@suse.de>
8369
8370         PR target/35045
8371         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
8372         from record_last_reg_set_info.
8373         (record_last_reg_set_info): Take an RTX argument, iterate over all
8374         constituent hardregs.
8375         (record_last_set_info, record_opr_changes): Change calls to
8376         new signature or to record_last_reg_set_info_regno.
8377
8378 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
8379
8380         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
8381
8382 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
8383
8384         PR rtl-optimization/34773
8385         * reg-notes.def (EQUAL): Mention significance of combination of
8386         REG_EQUAL and REG_RETVAL.
8387         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
8388         insn that has a REG_RETVAL.
8389
8390 2008-02-01  Roger Sayle  <roger@eyesopen.com>
8391
8392         PR bootstrap/33781
8393         * configure.ac (--enable-fixed-point): Disable unless explicitly
8394         requested on IRIX.
8395         * configure: Regenerate.
8396
8397 2008-02-01  Richard Guenther  <rguenther@suse.de>
8398
8399         PR other/35042
8400         * invoke.texi (-finline-limit): Remove no longer true parts
8401         of the documentation.  Note that there is no default value.
8402
8403 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
8404             Mark Mitchell  <mark@codesourcery.com>
8405             Ben Elliston  <bje@au.ibm.com>
8406
8407         PR c/29326
8408         * doc/extend.texi (Other Builtins): Document.
8409
8410 2008-01-31  Tom Browder <tom.browder@gmail.com>
8411
8412         * doc/c-tree.texi (Types): Fix grammar.
8413         (Expression trees): Ditto.
8414         * doc/passes.texi (Tree-SSA passes): Ditto.
8415         
8416         * doc/configterms.texi (Configure Terms): Fix typo.
8417         * doc/cpp.texi (Common Predefined Macros): Ditto.
8418         * doc/md.texi (Machine Constraints): Ditto.
8419         
8420         * doc/makefile.texi (Makefile): Add comma.
8421
8422 2008-01-31  Tom Browder  <tom.browder@gmail.com>
8423             Gerald Pfeifer  <gerald@pfeifer.com>
8424         
8425         * doc/sourcebuild.texi (Front End): Remove references to CVS
8426         and CVSROOT/modules.
8427         (Texinfo Manuals): Replace reference to CVS by one to SVN.
8428         (Back End): Remove reference to CVS.
8429
8430 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8431
8432         PR target/34900
8433         * config/mips/mips.c (gen_load_const_gp): New function, taking a
8434         comment from...
8435         (mips16_gp_pseudo_reg): ...here.
8436         * config/mips/mips.md (load_const_gp): Replace with...
8437         (load_const_gp_<mode>): ...this :P-based insn.
8438
8439 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8440
8441         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
8442         options. Minor fixes.
8443         (-std): Move reference to standards closer to where language
8444         standards are first mentioned.
8445         
8446 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
8447
8448         PR rtl-optimization/34995
8449         * reload.c (alternative_allows_const_pool_ref): Take an rtx
8450         parameter and return a bool.  If the rtx parameter is nonnull,
8451         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
8452         (find_reloads): Update call accordingly.  Pass the new operand
8453         if it needed no address reloads, otherwise pass null.
8454
8455 2008-01-30  Richard Henderson  <rth@redhat.com>
8456
8457         PR c/34993
8458         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
8459         for unbounded arrays.
8460
8461 2008-01-30  Silvius Rus  <rus@google.com>
8462
8463         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
8464
8465 2008-01-30  Jan Hubicka  <jh@suse.cz>
8466
8467         PR target/34982
8468         * i386.c (init_cumulative_args): Use real function declaration when
8469         calling locally.
8470
8471 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
8472
8473         PR rtl-optimization/34998
8474         * global.c (build_insn_chain): Treat non-subreg_lowpart
8475         SUBREGs of pseudos as clobbering all the words covered by the
8476         SUBREG, not just all the bytes.
8477         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
8478         original df_ref rather than an extract parameter.
8479         (global_conflicts): Update call accordingly.
8480
8481 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
8482
8483         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
8484         the overflow check to make it easier to read.
8485         (__fixtfdi): Change the type of the ll member in union
8486         long_double to UDItype_x.
8487
8488 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
8489
8490         PR middle-end/34969
8491         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
8492         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
8493         * tree-inline.c (fold_marked_statements): Call
8494         cgraph_update_edges_for_call_stmt if folding a call statement.
8495         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
8496         debug_generic_stmt calls, reset it back afterwards.
8497
8498         PR c/35017
8499         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
8500         static decls.
8501         * c-typeck.c (build_external_ref): Don't pedwarn about
8502         static vars in current function's scope.
8503
8504 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
8505
8506         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
8507
8508 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
8509
8510         PR c/35002
8511         * ipa-struct-reorg.c: Fix spelling.
8512         * params.def: Ditto.
8513
8514 2008-01-29  Richard Guenther  <rguenther@suse.de>
8515
8516         PR middle-end/35006
8517         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
8518         field.
8519         * tree-inline.c (remap_type): Increment remapping_type_depth
8520         around remapping types.
8521         (copy_body_r): Only add referenced variables if they are referenced
8522         from code, not types.
8523
8524 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
8525
8526         PR c++/34055
8527         PR c++/34103
8528         PR c++/34219
8529         PR c++/34606
8530         PR c++/34753
8531         PR c++/34754
8532         PR c++/34755
8533         PR c++/34919
8534         PR c++/34961
8535         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
8536         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
8537
8538 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
8539
8540         PR target/34412
8541         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
8542         pointer for tiny stack.
8543
8544 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8545
8546         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
8547
8548 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
8549
8550         * config/vx-common.h: Fix typo in comment.
8551
8552 2008-01-28  Ian Lance Taylor  <iant@google.com>
8553
8554         PR c++/34862
8555         PR c++/33407
8556         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
8557         coalesce pointers if they have different DECL_NO_TBAA_P values.
8558         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
8559         between variables with different DECL_NO_TBAA_P values.
8560
8561 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
8562
8563         PR 31535
8564         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
8565         are not legitimate small data references on SPE targets.
8566
8567 2008-01-28  David Daney  <ddaney@avtrex.com>
8568
8569         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
8570
8571 2008-01-28  David Daney  <ddaney@avtrex.com>
8572
8573         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
8574
8575 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
8576
8577         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
8578         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
8579         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
8580         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
8581         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
8582         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
8583         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
8584         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
8585
8586 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8587
8588         * basic-block.h (condjump_equiv_p): Fix comment.
8589
8590 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8591
8592         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
8593         print_generic_stmt_indented): Fix comment.
8594
8595 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
8596
8597         * configure.ac (__stack_chk_fail): Add detecion for availability
8598         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
8599         * configure: Regenerate.
8600
8601 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
8602
8603         PR middle-end/34688
8604         * final.c (output_addr_const): Handle TRUNCATE.
8605
8606 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
8607
8608         PR target/34711
8609         * tree-ssa-loop-ivopts.c (comp_cost): New type.
8610         (zero_cost, infinite_cost): New constants.
8611         (struct cost_pair): Change type of cost to comp_cost.
8612         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
8613         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
8614         New functions.
8615         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
8616         split_address_cost, ptr_difference_cost, difference_cost,
8617         get_computation_cost_at, get_computation_cost,
8618         determine_use_iv_cost_generic, determine_use_iv_cost_address,
8619         determine_use_iv_cost_condition, determine_use_iv_costs,
8620         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
8621         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
8622         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
8623         Change type of cost to comp_cost.
8624         (determine_iv_cost): Increase cost of non-original ivs, instead
8625         of decreasing the cost of original ones.
8626         (get_address_cost): Indicate the complexity of the addressing mode 
8627         in comp_cost.
8628         (try_add_cand_for): Prefer using ivs not specific to some object.
8629         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
8630
8631 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
8632             Janis Johnson  <janis187@us.ibm.com>
8633
8634         PR target/34814
8635         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
8636         (TARGET_INSTANTIATE_DECLS): Likewise.
8637         * target.h (expand_to_rtl_hook): New target hook.
8638         (instantiate_decls): Likewise.
8639         * function.c (instantiate_decl): Make non-static.  Rename to...
8640         (instantiate_decl_rtl): ... this.
8641         (instantiate_expr): Use instantiate_decl_rtl.
8642         (instantiate_decls_1): Likewise.
8643         (instantiate_decls): Likewise.
8644         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
8645         * function.h (instantiate_decl_rtl): Add prototype.
8646         * cfgexpand.c (target.h): New include.
8647         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
8648         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
8649         (TARGET_INSTANTIATE_DECLS): Likewise.
8650         (TARGET_INITIALIZER): New target hooks added.
8651         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
8652         New prototype.
8653         * config/rs6000/rs6000.c (tree-flow.h): New include.
8654         (machine_function): Add sdmode_stack_slot field.
8655         (rs6000_alloc_sdmode_stack_slot): New function.
8656         (rs6000_instantiate_decls): Likewise.
8657         (rs6000_secondary_memory_needed_rtx): Likewise.
8658         (rs6000_check_sdmode): Likewise.
8659         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
8660         (TARGET_INSTANTIATE_DECLS): Likewise.
8661         (rs6000_hard_regno_mode_ok): Allow SDmode.
8662         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
8663         (rs6000_emit_move): Handle SDmode.
8664         (function_arg_advance): Likewise.
8665         (function_arg): Likewise.
8666         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
8667         SDmode var args for 32-bit compiles.
8668         (rs6000_secondary_reload_class): Handle SDmode.
8669         (rs6000_output_function_epilogue): Likewise.
8670         (rs6000_function_value): Simplify if statement.
8671         (rs6000_libcall_value): Likewise.
8672         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
8673         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
8674         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
8675         (movsd_hardfloat): New define_insn.
8676         (movsd_softfloat): Likewise.
8677         (movsd_store): Likewise.
8678         (movsd_load): Likewise.
8679         (extendsddd2): Likewise.
8680         (extendsdtd2): Likewise.
8681         (truncddsd2): Likewise.
8682         (movdd_hardfloat64): Fixup comment.
8683         (UNSPEC_MOVSD_LOAD): New constant.
8684         (UNSPEC_MOVSD_STORE): Likewise.
8685
8686 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
8687
8688         PR c++/34965
8689         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
8690         TRUTH_XOR_EXPR.
8691         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
8692         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
8693         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
8694         and TRUTH_XOR_EXPR.
8695
8696 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
8697
8698         PR target/34794
8699         * config.gcc: Separate AIX 5.3 from AIX 6.1.
8700         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8701         __LONGDOUBLE128 too.
8702         * config/rs6000/aix61.h: New file.
8703
8704 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8705
8706         PR rtl-optimization/34959
8707         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
8708         popcount and parity rtxes the same mode as their operand.
8709         Truncate or extend the result to the return value's mode
8710         if necessary.
8711
8712 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
8713
8714         PR target/34981
8715         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
8716         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
8717         to GOT_VERSION_REGNUM.
8718         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
8719         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
8720         * config/mips/mips.c (mips_emit_call_insn): New function.
8721         (mips_call_tls_get_addr): Call mips_expand_call directly.
8722         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
8723         emit_call_insn.
8724         (mips16_build_call_stub): Likewise.  Return the call insn or null.
8725         (mips_expand_call): Update the call to mips16_build_call_stub
8726         accordingly and a remove redundant condition.  Assert that MIPS16
8727         stubs do not use lazy binding.  Use mips_emit_call_insn and return
8728         the call insn.
8729         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
8730         TARGET_USE_GOT.
8731         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
8732         (mips_avoid_hazard): Remove hazard_set handling.
8733         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
8734         (UNSPEC_RESTORE_GP): ...this.
8735         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
8736         (FAKE_CALL_REGNO): Rename to...
8737         (GOT_VERSION_REGNUM): ...this.
8738         (type): Add "ghost" value.  Add an associated insn reservation.
8739         (hazard_set): Remove.
8740         (exception_receiver): Rename to...
8741         (restore_gp): ...this and update the unspec identifier accordingly.
8742         (exception_receiver, nonlocal_got_receiver): New expanders.
8743         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
8744         FAKE_CALL_REGNO.  Remove hazard_set attribute.
8745         (set_got_version, update_got_version): New patterns.
8746
8747 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
8748
8749         PR target/34970
8750         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
8751
8752 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8753
8754         PR other/31955
8755         * doc/install.texi2html: Generate gcc-vers.texi.
8756
8757 2008-01-25  DJ Delorie  <dj@redhat.com>
8758
8759         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
8760
8761 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
8762
8763         * config/c4x: Remove directory.
8764         * config.gcc (crx-*, mt-*): Mark obsolete.
8765         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
8766         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
8767         sh-*-rtemscoff*): Remove cases.
8768         * defaults.h (C4X_FLOAT_FORMAT): Remove.
8769         * real.c (encode_c4x_single, decode_c4x_single,
8770         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
8771         c4x_extended_format): Remove.
8772         * real.h (c4x_single_format, c4x_extended_format): Remove.
8773         * doc/extend.texi (interrupt, naked): Remove mention of attributes
8774         on C4x.
8775         (Pragmas): Remove comment about c4x pragmas.
8776         * doc/install.texi (c4x): Remove target-specific instructions.
8777         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
8778         * doc/md.texi (Machine Constraints): Remove C4x documentation.
8779         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
8780         refer to C4x source files as examples.
8781         (C4X_FLOAT_FORMAT): Remove documentation.
8782
8783 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
8784
8785         * config/bfin/bfin.c (override_options): Reorder tests so that
8786         flag_pic gets enabled for -msep-data.
8787
8788 2008-01-25  Richard Guenther  <rguenther@suse.de>
8789
8790         PR middle-end/32244
8791         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
8792         to its bitfield precision if required.
8793
8794 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8795
8796         PR middle-end/33880
8797         * tree-nested.c (walk_omp_for): New function.
8798         (convert_nonlocal_reference, convert_local_reference): Call
8799         walk_omp_for on OMP_FOR.
8800         (convert_call_expr): Call walk_body on OMP_FOR's
8801         OMP_FOR_PRE_INIT_BODY.
8802
8803 2008-01-25  Richard Guenther  <rguenther@suse.de>
8804
8805         PR tree-optimization/34966
8806         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
8807         default defs and PHI_NODEs we have to insert after the
8808         defining statement.
8809
8810 2008-01-24  Nick Clifton  <nickc@redhat.com>
8811
8812         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
8813         Provide a default definition.
8814         (LIBGCC2_UNITS_PER_WORD): Likewise.
8815
8816         * config/stormy16/stormy16.c: Include df.h for the prototype
8817         for df_regs_ever_live_p.
8818         (xstormy16_expand_builtin_va_start): Convert the stack offset
8819         into a component_ref and then use POINTER_PLUS_EXPR to add it
8820         to the incoming_virtual_args_rtx.
8821         (xstormy16_gimplify_va_arg_expr): Rename to
8822         xstormy16_gimplify_va_arg_expr.
8823         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
8824         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
8825         xstormy16_gimplify_va_arg_expr.
8826         Fix up some formatting issues.
8827
8828         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
8829         Move to predicates.md.
8830         (xs_hi_general_operand): Likewise.
8831         (xs_hi_nonmemory_operand): Likewise.
8832         * config/stormy16/predicates.md:
8833         (xstormy16_carry_plus_operand): New predicate.
8834         (xs_hi_general_operand): New predicate.
8835         (xs_hi_nonmemory_operand): New predicate.
8836         * config/stormy16/stormy16-protos.h:
8837         (xstormy16_carry_plus_operand): Delete prototype.
8838         (xs_hi_general_operand): Likewise.
8839         (xs_hi_nonmemory_operand): Likewise.
8840
8841         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
8842         modifiers as they are no longer needed and they can trigger
8843         reload spill failures.
8844
8845         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
8846         with a match_operand in order to help reload.
8847
8848         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
8849         constraint with 'e' for the 8th alternative as this version of
8850         the mov.w instruction only accepts the lower 8 registers.
8851
8852 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
8853
8854         PR target/34856
8855         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
8856         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
8857         vector elements.
8858
8859 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
8860
8861         PR middle-end/33333
8862         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
8863
8864 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8865
8866         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
8867         New functions.
8868         (remove_structure): Update allocations list before removing structure.
8869         
8870 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
8871
8872         * ipa-struct-reorg.c (is_safe_cond_expr, 
8873         create_new_stmts_for_cond_expr): Use integer_zerop function,
8874         that recognize not only zero-pointer, but zero-integer too.
8875
8876 2008-01-25  Ben Elliston  <bje@au.ibm.com>
8877
8878         PR other/22232
8879         * fixproto: Escape "." in sed expression that strips leading "./".
8880
8881 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
8882
8883         PR driver/34904
8884         * gcc.c (SWITCH_OK): Removed.
8885         (SWITCH_LIVE): Changed to bit.
8886         (SWITCH_FALSE): Likewise.
8887         (SWITCH_IGNORE): Likewise.
8888         (switchstr): Change live_cond to unsigned int.
8889         (process_command): Replace SWITCH_OK with 0.
8890         (do_self_spec): Likewise.
8891         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
8892         (give_switch): Likewise.
8893         (used_arg): Likewise.
8894         (do_spec_1): Set the SWITCH_IGNORE bit.
8895         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
8896         bits.  Set the SWITCH_LIVE bit.
8897
8898 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
8899
8900         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
8901
8902 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
8903
8904         PR tree-optimization/34472
8905         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
8906         parameter to a "bool *" and set *DATA to false if there is
8907         an unsafe access.  Do not delete the structure here.
8908         (check_cond_exprs): Delete it here instead.
8909         (check_cond_exprs, exclude_cold_structs): Do not increase
8910         I when removing a structure.
8911
8912 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
8913
8914         PR target/34856
8915         * config/i386/i386.c (ix86_expand_vector_init): Consider only
8916         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
8917
8918 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
8919
8920         PR middle-end/34934
8921         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
8922         a fixed vector for stack.
8923
8924 2008-01-24  Ben Elliston  <bje@au.ibm.com>
8925
8926         PR c++/25701
8927         * doc/gcc.texi (Software development): Add a direntry for g++.
8928         
8929 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
8930
8931         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
8932         stale and straggling -fforce-addr comments above.
8933
8934         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
8935         define.
8936         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
8937         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
8938
8939 2008-01-23  Michael Matz  <matz@suse.de>
8940
8941         PR debug/34895
8942         * dwarf2out.c (force_type_die): Use modified_type_die instead of
8943         gen_type_die.
8944
8945 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
8946
8947         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
8948         malloc result type.
8949
8950 2008-01-23 Anatoly Sokolov <aesok@post.ru>
8951
8952         * config/avr/avr.c (avr_current_arch): New variable.
8953         (avr_arch_types): Add 'avr31' and 'avr51' entries.
8954         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
8955         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
8956         (avr_override_options): Init 'avr_current_arch'. 
8957         (base_arch_s): Move from here...
8958         * config/avr/avr.h (base_arch_s): ... here. Add new members 
8959         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
8960         'mega' to 'have_jmp_call'.
8961         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
8962         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
8963         macros.
8964         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
8965         architectures.
8966         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
8967         MULTILIB_MATCHES): (Ditto.).
8968
8969 2008-01-23  Richard Guenther  <rguenther@suse.de>
8970
8971         PR middle-end/31529
8972         * cgraphunit.c (cgraph_reset_node): Always mark the node
8973         not reachable if it is not queued already.
8974
8975 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8976
8977         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
8978         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
8979         (cputype_selected): New static variable.
8980         (bfin_handle_option): Set it if -mcpu is used.
8981         (override_option): Select default set of workarounds if no cpu type
8982         selected on the command line.
8983         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
8984
8985         From  Michael Frysinger  <michael.frysinger@analog.com>
8986         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
8987         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
8988
8989         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
8990         for bf547, bf523, bf524, and bf526.
8991         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
8992         bf526.
8993         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
8994         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
8995         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
8996         __ADSPBF547__ and __ADSPBF54x__ for bf547.
8997         * doc/invoke.texi (Blackfin Options): Document that
8998         -mcpu now accept bf547, bf523, bf524, and bf526.
8999
9000 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
9001
9002         PR rtl-optimization/34628
9003         * combine.c (try_combine): Stop and undo after the first combination
9004         if an autoincrement side-effect on the first insn has effectively
9005         been lost.
9006
9007 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
9008
9009         PR target/34529
9010         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
9011         Offset addresses are not valid for Altivec or paired float modes.
9012
9013 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
9014
9015         PR c++/34607
9016         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
9017         if DECL_INITIAL (decl) is error_mark_node.
9018
9019         PR c++/34914
9020         * c-common.c (handle_vector_size_attribute): Only allow
9021         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
9022         the same way as pointer, array etc. types.
9023         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
9024
9025         PR c++/34917
9026         * tree.c (build_type_attribute_qual_variant): Call
9027         build_qualified_type if attributes are equal, but quals are not.
9028
9029 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9030
9031         PR 32102
9032         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
9033         * flags.h (warn_strict_aliasing): Remove.
9034         (warn_strict_overflow): Remove.
9035         * opts.c (warn_strict_aliasing): Remove.
9036         (warn_strict_overflow): Remove.
9037         * c-opts.c (c_common_handle_option): -Wall only sets
9038         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
9039         (c_common_post_options): Give default values to -Wstrict-aliasing
9040         and -Wstrict-overflow if they are uninitialized.
9041         * common.opt (Wstrict-aliasing): Specify Var and Init.
9042         (Wstrict-overflow): Likewise.
9043
9044 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
9045
9046         PR rtl-optimization/26854
9047         PR rtl-optimization/34400
9048         PR rtl-optimization/34884
9049         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
9050         DF_RD->gen.
9051         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
9052         (df_rd_bb_info.expanded_lr_out): Deleted
9053         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
9054         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
9055         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9056         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9057         Removed code to allocate, initialize or free expanded_lr_out.
9058         (df_rd_bb_local_compute_process_def): Restructured to make more
9059         understandable.
9060         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
9061         sets if the sets are being trimmed.
9062
9063 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
9064
9065         PR bootstrap/32287
9066         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
9067         (as_vers): Likewise.
9068         * configure: Regenerated.
9069
9070 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9071
9072         PR middle-end/33092
9073         * tree-pass.h (pass_build_alias): New pass.
9074         * tree-ssa-alias.c (gate_build_alias): New.
9075         (pass_build_alias): New.
9076         * passes.c (init_optimization_passes): Add pass_build_alias after
9077         pass_create_structure_vars.
9078
9079 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
9080
9081         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
9082         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
9083         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
9084         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
9085         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
9086         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
9087         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
9088         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
9089         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
9090         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
9091         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
9092         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
9093         * config/s390/s390.md (FP_ALL): New mode iterator.
9094         (_d): New mode attribute.
9095         ("*signbit<mode>2>"): Changed mode of first operand.
9096         ("isinf<mode>2"): Changed mode of first operand.
9097         ("*TDC_insn"): Adaptation for DFP modes.
9098
9099 2008-01-22  Ben Elliston  <bje@au.ibm.com>
9100
9101         * tree.c (check_qualified_type): Improve function description.
9102
9103 2008-01-21  Jason Merrill  <jason@redhat.com>
9104
9105         PR c++/34196
9106         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
9107         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
9108         if it is set.
9109
9110 2008-01-21  DJ Delorie  <dj@redhat.com>
9111
9112         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
9113         return zero.
9114
9115 2008-01-21  Richard Guenther  <rguenther@suse.de>
9116
9117         PR middle-end/34856
9118         * tree-cfg.c (verify_expr): Allow all invariant expressions
9119         instead of just constant class ones as reference argument.
9120         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
9121         like any other constant.
9122         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
9123
9124 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
9125
9126         * regmove.c (fixup_match_1): Update call crossed frequencies.
9127
9128 2008-01-21  Richard Guenther  <rguenther@suse.de>
9129
9130         PR c/34885
9131         * tree-inline.c (setup_one_parameter): Deal with mismatched
9132         types using a VIEW_CONVERT_EXPR.
9133
9134 2008-01-21  Alon Dayan  <alond@il.ibm.com>
9135             Olga Golovanevsky  <olga@il.ibm.com>
9136         
9137         PR tree-optimization/34701
9138         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
9139         when the structure size is not a power of 2.
9140
9141 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
9142
9143         * doc/install.texi: Add doc for --enable-checking=df.
9144         
9145 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
9146
9147         PR rtl-optimization/34808
9148         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
9149
9150 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9151
9152         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
9153         input.
9154
9155 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
9156
9157         PR rtl-optimization/26854
9158         PR rtl-optimization/34400
9159         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
9160         DF_RD->gen.
9161         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
9162         (df_rd_bb_info.expanded_lr_out): New.
9163         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
9164         * loop_iv.c (iv_analysis_loop_init): Ditto.
9165         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
9166         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
9167         Added code to allocate, initialize or free expanded_lr_out.
9168         (df_rd_bb_local_compute_process_def): Restructured to make
9169         more understandable.
9170         (df_rd_confluence_n): Add code to do nothing with fake edges and
9171         code to no apply invalidate_by_call sets if the sets are being trimmed.
9172         (df_lr_local_finalize): Renamed to df_lr_finalize.
9173         (df_live_local_finalize): Renamed to df_live_finalize.
9174
9175 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
9176
9177         PR target/34831
9178         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
9179         deciding whether to use reciprocal instructions.
9180
9181 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
9182
9183         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
9184         dwarf2out_note_section_used if cold_text_section is NULL.
9185
9186 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
9187
9188         PR gcov-profile/34610
9189         * tree-cfg.c (make_edges): Mark both outgoing edges from
9190         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
9191         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
9192         from OMP_FOR and OMP_CONTINUE outgoing edges.
9193
9194         * tree-profile.c (tree_profiling): Return early if
9195         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
9196         at the end.
9197         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
9198         from cfun to child_cfun.
9199         * function.h (struct function): Add after_tree_profile bit.
9200
9201 2008-01-19 Anatoly Sokolov <aesok@post.ru>
9202
9203         * config/avr/avr.S (_exit): Disable interrupt.
9204
9205 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
9206             Steven Bosscher  <stevenb.gcc@gmail.com>
9207
9208         PR rtl-optimization/26854
9209         PR rtl-optimization/34400
9210         * df-problems.c (df_live_scratch): New scratch bitmap.
9211         (df_live_alloc): Allocate df_live_scratch when doing df_live.
9212         (df_live_reset): Clear the proper bitmaps.
9213         (df_live_bb_local_compute): Only process the artificial defs once
9214         since the order is not important.
9215         (df_live_init): Init the df_live sets only with the variables
9216         found live by df_lr.
9217         (df_live_transfer_function): Use the df_lr sets to prune the
9218         df_live sets as they are being computed.  
9219         (df_live_free): Free df_live_scratch.
9220
9221 2008-01-18  Ian Lance Taylor  <iant@google.com>
9222
9223         * common.opt: Add fmerge-debug-strings.
9224         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
9225         flag_merge_debug_strings rather than flag_merge_constants.
9226         * doc/invoke.texi (Option Summary): Mention
9227         -fmerge-debug-strings.
9228         (Debugging Options): Document -fmerge-debug-strings.
9229
9230 2008-01-18  Ian Lance Taylor  <iant@google.com>
9231
9232         PR c++/33407
9233         * tree.h (DECL_IS_OPERATOR_NEW): Define.
9234         (struct tree_function_decl): Add new field operator_new_flag.
9235         * tree-inline.c (expand_call_inline): When inlining a call to
9236         operator new, force the return value to go into a variable, and
9237         set DECL_NO_TBAA_P on that variable.
9238         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
9239
9240 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
9241
9242         PR debug/34484
9243         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
9244         DWARF2_DEBUGGING_INFO.
9245         (dwarf2out_note_section_used): Ditto.  Add prototype.
9246         (have_multiple_function_sections, text_section_used,
9247         cold_text_section_used, *cold_text_sections): Move declarations
9248         before their uses.
9249
9250 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
9251
9252         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
9253         field and add signal_ra.
9254         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
9255         assignments to frame state pc.  Move end of stack check after
9256         MD_FALLBACK_FRAME_STATE_FOR.
9257         (uw_update_context_1): Use frame state signal_regs if set, instead
9258         of checking signal_frame flag.
9259         (uw_update_context): Use frame state signal_ra if set.
9260         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
9261         * config/xtensa/linux-unwind.h: New file.
9262
9263 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9264
9265         * modulo-sched.c (get_sched_window): Fix comment typo.
9266
9267 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
9268
9269         PR tree-optimization/34648
9270         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
9271
9272 2008-01-17  Anatoly Sokolov <aesok@post.ru>
9273
9274         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
9275         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
9276
9277 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
9278
9279         PR rtl-optimization/34400
9280         * df-core.c (df_worklist_dataflow_overeager,
9281         df_worklist_dataflow_doublequeue): New functions.
9282         (df_worklist_dataflow): Two different worklist solvers.
9283         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
9284         New param.
9285
9286 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9287
9288         PR testsuite/34821
9289         * doc/invoke.texi: Document the dependence on pthread for fopenmp
9290         and ftree-parallelize-loops.
9291
9292 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
9293
9294         PR rtl-optimization/34826
9295         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
9296
9297 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
9298
9299         * global.c (find_reg): Mark the eh regs as used if necessary.
9300         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
9301         * ra.h (struct allocno): no_eh_reg field added.  Changed
9302         no_stack_reg type to bitfield.
9303
9304 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
9305
9306         * tree.c (substitute_in_expr): Add missing 'break'.
9307
9308 2008-01-17  Richard Guenther  <rguenther@suse.de>
9309
9310         PR tree-optimization/34825
9311         * tree-ssa-math-opts.c (is_division_by): Do not recognize
9312         x / x as division to handle.
9313
9314 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9315
9316         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
9317         "-pthread" is specified.
9318         * pa-hpux11.h (LIB_SPEC): Likewise.
9319
9320 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
9321             Peter Bergner  <bergner@vnet.ibm.com>
9322
9323         PR rtl-optimization/33796
9324         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
9325
9326 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9327
9328         PR libgfortran/34699
9329         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
9330         static links.
9331         * pa-hpux10.h (LINK_SPEC): Likewise.
9332         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
9333
9334 2008-01-16  Richard Guenther  <rguenther@suse.de>
9335
9336         PR middle-end/32628
9337         * fold-const.c (fold_convert_const_int_from_int): Do not
9338         set overflow if that occured only because of a sign extension
9339         change when converting from/to a sizetype with the same
9340         precision and signedness.
9341
9342 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9343
9344         PR debug/34249
9345         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
9346         location address to the correct place.  Update copyright year.
9347
9348 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9349
9350         * lambda-code.c (lambda_transform_legal_p): Handle the case of
9351         no dependences in the dependence_relations vector.
9352
9353 2008-01-16  Jan Hubicka  <jh@suse.cz>
9354
9355         PR rtl-optimization/31396
9356         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
9357         * cfg.c (dump_reg_info): Print it.
9358         * regs.h (struct reg_info_t): add freq_calls_crossed.
9359         (REG_FREQ_CALLS_CROSSED): New macro.
9360         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
9361         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
9362         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
9363         regmove_optimize): Update call crossed frequencies.
9364         * local-alloc.c (struct qty): Add freq_calls_crossed.
9365         (alloc_qty): Copute freq_calls_crossed.
9366         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
9367         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
9368         * ra.h (struct allocno): Add freq_calls_crossed.
9369
9370 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9371
9372         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
9373         libgomp when compiling with ftree-parallelize-loops.
9374         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
9375
9376 2008-01-16  Richard Guenther  <rguenther@suse.de>
9377
9378         PR tree-optimization/34769
9379         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
9380         * tree.c (int_cst_value): Instead make this function more
9381         permissive in what it accepts as valid input.  Document this
9382         function always sign-extends the value.
9383
9384 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
9385             Richard Guenther  <rguenther@suse.de>
9386
9387         PR c/34668
9388         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
9389         (gimple_fold_indirect_ref_rhs): ... this.
9390         (gimple_fold_indirect_ref): New function with foldings
9391         that preserve lvalueness.
9392         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
9393         * tree-flow.h (gimple_fold_indirect_ref): Declare.
9394         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
9395         to fold an INDIRECT_REF, fall back to the old use of
9396         fold_indirect_ref_1.
9397
9398 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
9399
9400         * tree-data-ref.c (subscript_dependence_tester_1): Call 
9401         free_conflict_function.
9402         (compute_self_dependence): Same.
9403
9404 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
9405
9406         PR debug/34249
9407         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
9408         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
9409         function global.
9410         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
9411         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
9412         for DWARF2_UNWIND_INFO targets.
9413
9414 2008-01-16  Richard Guenther  <rguenther@suse.de>
9415
9416         PR c/34768
9417         * c-typeck.c (common_pointer_type): Do not merge inconsistent
9418         type qualifiers for function types.
9419
9420 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
9421
9422         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
9423         loop_iterator li from previous commit.
9424
9425 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
9426
9427         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
9428
9429 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9430
9431         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
9432         (parallelize_loops): Don't parallelize irreducible components.
9433
9434 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9435
9436         PR c++/24924
9437         * c-opts (c_common_post_options): Do not enable CPP
9438         flag_pedantic_errors by default.
9439         
9440 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
9441
9442         PR rtl-optimization/31944
9443         * cse.c (remove_pseudo_from_table): New function.
9444         (merge_equiv_classes): Use above function to remove pseudo-registers.
9445         (invalidate): Likewise.
9446
9447 2008-01-13  Richard Guenther  <rguenther@suse.de>
9448
9449         PR middle-end/34601
9450         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
9451         instead of TYPE_MODE to deal with calls from expand_one_error_var.
9452
9453 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
9454
9455         * gcse.c (cprop_jump): Call validate_unshare_change instead of
9456         validate_change to unshare the source of the PC set.
9457
9458 2008-01-12  Jan Hubicka  <jh@suse.cz>
9459
9460         PR middle-end/32135
9461         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
9462         references above array bounds.  This might trigger bounds checks for
9463         pointers to arrays.
9464
9465 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
9466
9467         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
9468         new_replaceable_dependencies.
9469
9470 2008-01-12  Doug Kwan  <dougkwan@google.com>
9471
9472         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
9473         instead of OPT_Wreturn_type in warning due to ignored return type
9474         qualifiers.
9475         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
9476         options included in -Wextra.
9477         * c.opt: New option -Wignored_qualifiers.
9478         * doc/invoke.texi (Warning Options, -Wextra): Add new option
9479         -Wignore_qualifiers.
9480         (-Wignored-qualifiers): Document.
9481         (-Wreturn-type): Remove description of functionality now handled
9482         by -Wignored-qualifiers.
9483
9484 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
9485
9486         PR ada/33788
9487         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
9488         NOP_EXPR if it is between integral types with the same precision.
9489
9490 2008-01-12  Jan Hubicka  <jh@suse.cz>
9491
9492         PR other/28023
9493         * invoke.texi (max-inline-recursive-depth): Fix default value.
9494
9495 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
9496
9497         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
9498         correct type.
9499
9500 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
9501         
9502         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
9503         
9504 2008-01-11  James E. Wilson  <wilson@specifix.com>
9505
9506         PR target/26015
9507         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
9508
9509 2008-01-11  Anatoly Sokolov <aesok@post.ru>
9510
9511         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
9512         save/restore frame pointer register and don't use 'call-prologues' 
9513         optimization in function with "OS_task" attribute.
9514
9515 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
9516
9517         PR middle-end/31309
9518         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
9519         when copying to memory.
9520
9521 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
9522
9523         PR rtl-optimization/30905
9524         * cfgcleanup.c: Include dce.h
9525         (crossjumps_occured): New global variable.
9526         (try_crossjump_bb): Exit loop after finding a fallthru edge.
9527         If something changed, set crossjumps_occured to true.
9528         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
9529         Don't add/remove fake edges to exit here...
9530         (cleanup_cfg): ...but do it here, when crossjumping.
9531         Run a fast DCE when successful crossjumps occured in the latest
9532         iteration of try_optimize_cfg.
9533
9534 2008-01-11  Richard Guenther  <rguenther@suse.de>
9535
9536         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
9537         (struct vn_unary_op_s): Likewise.
9538         (vn_reference_insert): Free old reference on hash collision.
9539
9540 2008-01-10  Raksit Ashok  <raksit@google.com>
9541
9542         PR rtl-optimization/27971
9543         * combine.c (find_split_point): Split PLUS expressions which are
9544         inside a MEM rtx, and whose first operand is complex.
9545
9546 2008-01-10  DJ Delorie  <dj@redhat.com>
9547
9548         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
9549         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
9550         (m32c_hard_regno_ok): Call the underlying function.
9551
9552 2008-01-10  Richard Guenther  <rguenther@suse.de>
9553
9554         PR middle-end/34683
9555         * tree-cfg.c (tree_merge_blocks): Do not go through the
9556         full-blown folding and stmt updating path if we just deal
9557         with virtual operands.
9558         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
9559         test for abnormal SSA_NAMEs.
9560
9561 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
9562
9563         PR middle-end/34641
9564         * reload.c (push_reload): Add assertions.  All constants from
9565         reg_equiv_constant should have been used for replacing the respective
9566         pseudo earlier.
9567         (find_reloads_address): Invoke find_reloads_address_part for
9568         constant taken from the reg_equiv_constant array.
9569
9570 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
9571
9572         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
9573         field (valnum) the first in the struct.  Replace bools with
9574         unit bit fields.
9575
9576 2008-01-10  Richard Guenther  <rguenther@suse.de>
9577
9578         PR tree-optimization/34651
9579         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
9580         types and ordering for masking and converting.
9581
9582 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
9583
9584         PR tree-optimization/34017
9585         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
9586         also for PHI_NODE expressions.
9587
9588 2008-01-09  Jan Hubicka  <jh@suse.cz>
9589
9590         PR tree-optimization/34708
9591         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
9592         based on number of case labels.
9593         (init_inline_once): Remove switch_cost.
9594         * tree-inline.h (eni_weights_d): Remove switch_cost.
9595
9596 2008-01-09  Richard Guenther  <rguenther@suse.de>
9597         Andrew Pinski  <andrew_pinski@playstation.sony.com>
9598
9599         PR middle-end/30132
9600         * gimplify.c (gimplify_cond_expr): Do not create an addressable
9601         temporary if an rvalue is ok or an lvalue is not required.
9602
9603 2008-01-09  Richard Guenther  <rguenther@suse.de>
9604
9605         PR middle-end/34458
9606         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
9607         adjust return type.
9608
9609 2008-01-09  Richard Guenther  <rguenther@suse.de>
9610
9611         PR middle-end/34679
9612         * tree.c (host_integerp): Check for sizetype only if the
9613         type is an integer type.
9614
9615 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
9616
9617         PR debug/26364
9618         * opts.c (decode_options): Disable inlining of functions called
9619         once if not in unit-at-a-time mode.
9620
9621 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
9622
9623         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
9624
9625 2008-01-08  Richard Guenther  <rguenther@suse.de>
9626
9627         PR middle-end/31863
9628         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
9629         out early if the result will be unused.
9630
9631 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9632
9633         PR target/34709
9634         Revert:
9635
9636         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9637         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9638         for TARGET_RECIP.       
9639         
9640 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
9641         
9642         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
9643         for vectorization tuned.
9644         
9645 2008-01-08  Richard Guenther  <rguenther@suse.de>
9646
9647         PR tree-optimization/34683
9648         * tree-ssa-operands.c (operand_build_cmp): Export.
9649         * tree-ssa-operands.h (operand_build_cmp): Declare.
9650         * tree-vn.c (vuses_compare): Remove.
9651         (sort_vuses): Use operand_build_cmp.
9652         (sort_vuses_heap): Likewise.
9653         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
9654         to re-use old VEC if available.  Do not sort already sorted VUSEs.
9655         (vdefs_to_vec): Do not sort already sorted VDEFs.
9656
9657 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
9658
9659         PR middle-end/34694
9660         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
9661
9662 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
9663
9664         PR target/34702
9665         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
9666         limitations of reciprocal sequences on x86 targets.
9667
9668 2008-01-08  Richard Guenther  <rguenther@suse.de>
9669
9670         PR tree-optimization/34683
9671         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
9672
9673 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
9674
9675         PR target/34622
9676         * config/darwin.c (darwin_mergeable_string_section): Don't use
9677         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
9678
9679 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
9680
9681         PR target/34682
9682         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
9683         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
9684         predicates of op0 and op1 to register_operand.
9685         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
9686         expander using X87MODEF mode iterator.  Change predicates of
9687         op0 and op1 to register_operand.
9688         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
9689         corresponding patterns and macroize using MODEF macro.  Change
9690         predicates of op0 and op1 to register_operand and remove
9691         "m" constraint. Disparage "r" alternative with "!".
9692         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
9693         macroize using X87MODEF macro.  Change predicates of op0 and op1
9694         to register_operand and remove "m" constraint.  Disparage "r"
9695         alternative with "!".
9696         (absneg splitter with memory operands): Remove.
9697         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
9698         patterns and macroize using X87MODEF mode iterator.
9699         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
9700         Change predicate of op1 to register_operand.
9701         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
9702         for memory operands.
9703
9704 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
9705
9706         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
9707
9708 2008-01-07  Richard Guenther  <rguenther@suse.de>
9709
9710         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
9711         fields.
9712
9713 2008-01-07  Richard Guenther  <rguenther@suse.de>
9714
9715         PR tree-optimization/34683
9716         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
9717         VOPs of the needed size to save memory.  Use VEC_quick_push
9718         to save compile-time.
9719         (vdefs_to_vec): Likewise.
9720
9721 2008-01-07  Sa Liu  <saliu@de.ibm.com>
9722
9723         * config/spu/spu.md (divdf3): Genetate inline code for double
9724         division.  The implementation doesn't handle INF or NAN, therefore it
9725         only applies when -ffinite-math-only is given.
9726
9727 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
9728
9729         PR libstdc++/34680
9730         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
9731         * doc/cpp.texi ([Common Predefined Macros]): Document.
9732
9733 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
9734
9735         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
9736         order to use commutative addition instead of subtraction.
9737
9738 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9739             Mircea Namolaru  <namolaru@il.ibm.com>
9740             Vladimir Yanovsky  <yanov@il.ibm.com>
9741             Revital Eres  <eres@il.ibm.com>
9742
9743         PR tree-optimization/34263
9744         * tree-outof-ssa.c (process_single_block_loop_latch,
9745         contains_tree_r): New functions.
9746         (analyze_edges_for_bb): Call process_single_block_loop_latch
9747         function to empty single-basic-block latch block if possible.
9748
9749 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9750
9751         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
9752         for TARGET_RECIP.
9753         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
9754
9755 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9756
9757         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
9758
9759 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
9760
9761         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
9762
9763 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
9764
9765         PR tree-optimization/34618
9766         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
9767         flag from T.
9768
9769 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
9770
9771         PR target/34673
9772         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
9773         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
9774         Update copyright year.
9775
9776         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
9777         Update copyright year.
9778         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
9779         using NR fixup.
9780
9781 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
9782
9783         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
9784         edge does not point to current bb before changing need_assert.
9785
9786 2008-01-04  Richard Guenther  <rguenther@suse.de>
9787
9788         PR middle-end/34029
9789         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
9790         for verifying purposes if they are is_gimple_min_invariant.
9791
9792 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
9793
9794         PR tree-optimization/34448
9795         PR tree-optimization/34465
9796         * gimplify.c (gimplify_init_constructor): Add new parameter
9797         notify_temp_creation.  Use it.
9798         (gimplify_modify_expr_rhs): Take volatiles into account when
9799         optimizing constructors.
9800         Do not optimize constructors if gimplify_init_constructor will dump to
9801         memory.
9802         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
9803         * gcc.c-torture/compile/pr34448.c: New.
9804
9805 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
9806
9807         PR gcov-profile/34609
9808         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
9809         return_slot if result is TREE_ADDRESSABLE.
9810
9811 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
9812
9813         * config/mips/mips.md (sqrt_condition): Tweak comment.
9814         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
9815
9816 2008-01-03  Tom Tromey  <tromey@redhat.com>
9817
9818         PR c/34457
9819         * c-common.c (c_type_hash): Handle VLAs.
9820
9821 2008-01-03  Jan Hubicka  <jh@suse.cz>
9822
9823         PR tree-optimization/31081
9824         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
9825         0 when inlining and not inlining to first basic block.
9826         (remap_decl): When var is initialized to 0, don't set default_def.
9827         (expand_call_inline): Set entry_bb.
9828         * tree-inline.h (copy_body_data): Add entry_bb.
9829
9830 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9831
9832         PR c++/34619
9833         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
9834         before returning.
9835
9836         PR tree-optimization/29484
9837         * tree-inline.c (inline_forbidden_p_2): New function.
9838         (inline_forbidden_p): Disallow inlining if some static var
9839         has an address of a local LABEL_DECL in its initializer.
9840         * doc/extend.texi (Labels as Values): Document &&foo behaviour
9841         vs. inlining.
9842
9843 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
9844
9845         PR tree-optimization/34635
9846         * tree-data-ref.c (add_other_self_distances): Make sure that the
9847         evolution step is constant.
9848
9849 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
9850
9851         PR middle-end/34608
9852         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
9853
9854 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
9855
9856         * tree-sra.c (scalarize_init): Insert the generate_element_init
9857         statements after the generate_element_zero statements.
9858
9859 2008-01-02  Richard Guenther  <rguenther@suse.de>
9860
9861         PR middle-end/34093
9862         PR middle-end/31976
9863         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
9864         for very large number of operands instead of ICEing.
9865
9866 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
9867
9868         PR target/34013
9869         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
9870         while stack probing.
9871
9872 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
9873
9874         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
9875         in C++0x mode.
9876
9877 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
9878
9879         PR libmudflap/26442
9880         * tree-mudflap.c (mx_register_decls): Guard warning by
9881         !DECL_ARTIFICIAL check.
9882
9883 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
9884
9885         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
9886         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
9887         sse5_perm<mode>): Fix constraints.