* config/mips/mips.h (ISA_HAS_CINS): New macro.
[official-gcc.git] / gcc / ChangeLog
blob2350a47c9eb45d1f5635af4c24d258c9f2c91a64
1 2008-09-04  Adam Nemet  <anemet@caviumnetworks.com>
3         * config/mips/mips.h (ISA_HAS_CINS): New macro.
4         * config/mips/mips-protos.h (mask_low_and_shift_p,
5         mask_low_and_shift_len): Declare.
6         * config/mips/mips.c (mask_low_and_shift_p,
7         mask_low_and_shift_len): New functions.
8         (mips_print_operand): Handle new operand prefix "m".
9         * config/mips/mips.md (*cins<mode>): New pattern.
11 2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>
13         * config/bfin/bfin.c (gen_one_bundle): Don't create new nops when
14         optimizing for size.
16 2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>
18         * df-scan.c (df_get_entry_block_def_set): Add STACK_POINTER_REGNUM
19         regardless of epilogue_completed.
21 2008-09-04  Vladimir Makarov  <vmakarov@redhat.com>
23         PR middle-end/37359
24         * ira-lives.c (process_bb_node_lives): Check setjmp.
26 2008-09-04  Richard Sandiford  <rdsandiford@googlemail.com>
28         PR middle-end/37243
29         * ira-build.c (form_loop_tree): Reverse BB walk.
30         (create_bb_allocnos): Likewise.
31         * ira-lives.c (make_regno_born_and_dead, regs_set): Delete.
32         (mark_reg_store): Rename to...
33         (mark_ref_live): ...this and take a df_ref argument instead of
34         note_stores arguments.  Assert that we have a register.
35         (mark_reg_clobber): Delete.
36         (def_conflicts_with_inputs_p): New function.
37         (mark_reg_conflicts): Delete.
38         (mark_reg_death): Rename to...
39         (mark_ref_dead): ...this and take a df_ref argument instead of
40         a register.  Assert that we have a register.
41         (process_bb_node_lives): Hoist frequency calculation out of
42         instruction walk.  Convert from a forwards scan to a backwards scan.
43         Use DF_REF_USES and DF_REF_DEFS instead of register notes and
44         note_stores.  Remove EH_RETURN_DATA_REGNO and regs_set handling.
45         (create_allocno_live_ranges): Don't create regs_set.
47 2008-09-04  Ian Lance Taylor  <iant@google.com>
49         * rtl.h (LABEL_REF_NONLOCAL_P): Don't check for REG_LABEL_OPERAND
50         or REG_LABEL_TARGET.
51         * calls.c (emit_library_call_value_1): Use MEM_P rather than
52         comparing MODE with MEM.
53         * gimple.c (gimple_build_predict): Cast END_PREDICTORS before
54         comparing with GF_PREDICT_TAKEN.
55         (gimple_get_lhs): Change code to enum gimple_code.
56         (gimple_set_lhs): Likewise.
57         * ifcvt.c (noce_process_if_block): Correct GET_MODE to GET_CODE.
58         * omp-low.c (find_omp_clause): Change kind parameter to enum
59         omp_clause_code.
60         * tree-flow.h (find_omp_clause): Update declaration.
61         * regrename.c (clear_dead_regs): Change kind parameter to enum
62         reg_note.
63         * reload1.c (eliminate_regs_1): Use REG_NOTE_KIND rather than
64         GET_MODE.
65         * see.c (see_get_extension_data): Change return type to enum
66         entry_type.  Change UNKNOWN to NOT_RELEVANT, SIGN_EXTEND to
67         SIGNED_EXTENDED_DEF, ZERO_EXTEND to ZERO_EXTENDED_DEF.
68         (see_gen_normalized_extension): Change extension_code parameter to
69         enum entry_type.
70         (see_seek_pre_extension_expr): Change extension_code to enum
71         entry_type.
72         (see_merge_one_def_extension): Likewise.
73         (see_handle_relevant_defs): Likewise.
74         (see_handle_relevant_uses): Likewise.
75         (see_analyze_one_def): Likewise.
76         * tree-cfg.c (need_fake_edge_p): Compare gimple code with
77         GIMPLE_ASM rather than ASM_EXPR.
78         * tree-ssa-alias.c (is_escape_site): Compare gimple code with
79         GIMPLE_RETURN rather than RETURN_EXPR.
80         * tree-ssa-ccp.c (likely_value): Change code to enum gimple_code.
81         (evaluate_stmt): Likewise.
82         * tree-vect-analyze.c (vect_analyze_operations): Change relevance
83         to enum vect_relevant.
84         (vect_mark_stmts_to_be_vectorized): Change assertion to not
85         compare gimple codes with tree codes.
87 2008-09-04  Paul Brook  <paul@codesourcery.com>
89         * config/arm/arm.c (arm_size_rtx_costs): Call cost function.
91 2008-09-04  Bernd Schmidt  <bernd.schmidt@analog.com>
93         * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Restore a null
94         pointer check lost in the recent no-unit-at-a-time patch.
95         
96 2008-09-04  Jan Hubicka  <jh@suse.cz>
98         PR middle-end/37343
99         * tree-switch-conversion.c (check_final_bb): Accept only IP
100         invariants.
102 2008-09-04  Jan Hubicka  <jh@suse.cz>
104         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops_using_ranges):
105         Break out from ...
106         (vrp_evaluate_conditional_warnv_with_ops): ... this one.  Add
107         using_ranges argument.
108         (vrp_evaluate_conditional): Avoid bogus warning for type range.
109         (vrp_visit_cond_stmt): Update call of
110         vrp_evaluate_conditional_warnv_with_ops
112 2008-09-04  Jan Hubicka  <jh@suse.cz>
114         PR tree-optimization/37345
115         PR tree-optimization/37358
116         PR tree-optimization/37357
117         * tree.c (build_function_type_skip_args): Build distinct type copy;
118         set TYPE_CONTEXT.
119         (build_function_decl_skip_args): Set type of new decl not orig decl;
120         clear DECL_VINDEX for methods turned into functions.
122 2008-09-04  Nick Clifton  <nickc@redhat.com>
124         * configure.ac (HAVE_GAS_LCOMM_WITH_ALIGNMENT): New assembler
125         check.
126         * configure: Regenerate.
127         * config.in: Regenerate.
128         * config/i386/bsd.h (ASM_OUTPUT_ALIGNED_LOCAL): Use .lcomm with an
129         alignment field, if it is supported.
131 2008-09-04  Kai Tietz  <kai.tietz@onevision.com>
133         * config/i386/t-mingw32 (SHLIB_LC): Change order of import
134         libraries.
136 2008-09-03  David Edelsohn  <edelsohn@gnu.org>
138         * config/rs6000/rs6000.c (processor_target_table): Do not
139         enable VMX for POWER6.
141 2008-09-03  Anton Blanchard  <anton@samba.org>
143         * config/rs6000/rs6000.c (rs6000_split_lock_test_and_set): Do not
144         emit memory barrier before operation.
146 2008-09-03  John David Anglin  <dave.anglin@nrc.cnrc.gc.ca>
148         PR testsuite/37325
149         * config/pa/pa64-hpux.h (ASM_OUTPUT_EXTERNAL_REAL): Call
150         default_elf_asm_output_external.
152 2008-09-03  Jeff Law  <law@redhat.com>
154         * h8300.c (expand_a_shift): Avoid invalid RTL sharing.
156 2008-09-03  Richard Henderson  <rth@redhat.com>
158         * config/alpha/alpha.c (alpha_split_lock_test_and_set): Move
159         memory barrier to below the test-and-set.
160         (alpha_split_lock_test_and_set_12): Likewise.
162 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
164         PR rtl-opt/37243
166         * ira-int.h (ira_loop_tree_node): Rename mentioned_allocnos to
167         all_allocnos.
169         * ira-color.c (print_loop_title): Use all_allocnos.
170         (color_pass): Ditto.  Don't add border_allocnos.  Check that
171         subloop allocno in the correspdoning bitmap all_allocnos.
173         * ira-emit.c (change_loop): Use all_allocnos.
175         * ira-build.c (create_loop_tree_nodes, finish_loop_tree_node):
176         Ditto.
177         (ira_create_allocno): Set up all_allocnos bit for the created
178         allocno.
179         (create_cap_allocno): Remove setting mentioned_allocnos.
180         (create_insn_allocnos): Ditto.
181         (remove_unnecessary_allocnos): Use all_allocnos.
182         (check_allocno_creation): Check that allocnos are in the
183         corresponding bitmap all_allocnos.
184         
185 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
187         PR rtl-opt/37243
188         
189         * ira-conflicts.c (REG_SUBREG_P, go_through_subreg): New.
190         (process_regs_for_copy): Process subregs.  Refine check when cost
191         is taken into account in ira-costs.c.
192         (process_reg_shuffles): Use REG_SUBREG_P.
193         (add_insn_allocno_copies): Ditto.  Ignore modes.
195         * ira-color.c (conflict_allocno_vec): New.
196         (COST_HOP_DIVISOR): New macro.
197         (update_copy_costs_1): Use it.
198         (update_conflict_hard_regno_costs): New function.
199         (assign_hard_reg): Use it.
200         (ira_color): Allocate and free conflict_allocno_vec.
202 2008-09-03  Vladimir Makarov  <vmakarov@redhat.com>
204         PR rtl-opt/37296
206         * ira-int.h (ira_sort_insn_chain): Remove.
208         * ira.c (basic_block_order_nums, chain_insn_order,
209         chain_freq_compare, chain_bb_compare, ira_sort_insn_chain): Remove.
210         (ira): Don't call ira_sort_insn_chain.
212         * reload1.c (reload): Don't call ira_sort_insn_chain.
214 2008-09-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
216         PR middle-end/37293
217         * cgraphunit.c (update_call_expr): Remove eh regions from statements
218         which become non throw.
219         (cgraph_function_versioning): Also clear DECL_WEAK.  Call
220         update_call_expr after updating the flags on the decl.
222 2008-09-03  Jan Hubicka  <jh@suse.cz>
224         PR tree-optimization/37315
225         * cgraph.c (cgraph_create_edge): Use gimple_has_body_p.
226         * cgraphunit.c (verify_cgraph_node): drop gimple_body check.
227         (cgraph_analyze_functions): Use node->analyzed
228         (cgraph_mark_functions_to_output): Likewise.
229         (cgraph_expand_function): All functions can be released after
230         expanding.
231         (cgraph_optimize): Use gimple_has_body_p.
232         * ipa-inline.c (cgraph_clone_inlined_nodes): Use analyzed flag.
233         (cgraph_decide_inlining_incrementally): Likewise.
234         (inline_transform): Inline transform.
235         * tree-inline.c (initialize_cfun): Do now shallow copy structure;
236         copy fields needed.
237         (inlinable_function_p): Drop gimple_body check.
238         (expand_call_inline): Use gimple_has_body_p.
239         * gimple.c (gimple_has_body_p): New.
240         * gimple.h (gimple_has_body_p): Add prototype.
241         * tree-cfg.c (execute_build_cfg): Remove gimple_body.
242         (dump_function_to_file): Use gimple_has_body_p check.
244 2008-09-03  Jakub Jelinek  <jakub@redhat.com>
246         PR c++/37346
247         * gimple.h (gimple_has_substatements): GIMPLE_OMP_CRITICAL has
248         substatements.
249         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_OMP_CRITICAL.
251 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
253         From Michael Frysinger  <michael.frysinger@analog.com>
254         * config/bfin/bfin.c (bfin_cpus[]): Add 0.1 for bf522, bf523, bf524,
255         bf525, bf526, bf527, bf542, bf544, bf547, bf548, and bf549.  Add 0.2
256         for bf538.
258 2008-09-03  Hari Sandanagobalane  <hariharan@picochip.com>
260         Add picoChip port.
261         * doc/extend.texi: Document picoChip builtin functions.
262         * doc/invoke.texi: Document picoChip options.
263         * doc/contrib.texi: Add picoChip contribution.
264         * doc/md.texi: Document picoChip constraints.
265         * config.gcc: Add picochip-*-*.
266         * config/picochip/: Add new port.
268 2008-09-03  Richard Guenther  <rguenther@suse.de>
270         PR tree-optimization/37328
271         * tree-sra.c (sra_build_assignment): Gimplify properly.
272         (generate_copy_inout): Take the correct stmt as definition,
273         remove bogus assert.
275 2008-09-03  Bernd Schmidt  <bernd.schmidt@analog.com>
277         * config/bfin/bfin.c (bfin_expand_prologue): Honour no_stack_limit
278         attributes.
280         From Michael Frysinger  <michael.frysinger@analog.com>
281         * config/bfin/bfin.c (bfin_handle_option): Remove BF561 warning.
283 2008-09-03 Danny Smith  <dannysmith@usrs.sourceforge.net>
285         * gthr-win32.h (CONST_CAST2): Really make sure CONST_CAST2 is
286         defined.
287         (__gthread_setspecific): Revert 2008-08-31 change to
288         __GTHREAD_HIDE_W32API case.  Apply it to !__GTHREAD_HIDE_W32API
289         case.
291 2008-09-02  Aldy Hernandez  <aldyh@redhat.com>
293         * diagnostic.c (error_at): New.
294         * toplev.h (error_at): New prototype.
295         * c-typeck.c (build_array_ref): Call error_at instead of error.
296         Pass location to pedwarn.
298 2008-09-02  Adam Nemet  <anemet@caviumnetworks.com>
300         * sel-sched.c (sel_hard_regno_rename_ok): Mark arguments unused.
302 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
304         * dwarf2out.c (tree_add_const_value_attribute): Only handle
305         VAR_DECL and CONST_DECL.
307 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
308             Jakub Jelinek  <jakub@redhat.com>
310         * config/i386/i386.c (X86_64_VARARGS_SIZE): Removed.
311         (setup_incoming_varargs_64): Assume cum != NULL. Set/check
312         ix86_varargs_gpr_size and ix86_varargs_fpr_size.  Use
313         ix86_varargs_gpr_size instead of X86_64_REGPARM_MAX.
314         Don't set ix86_save_varrargs_registers.
315         (ix86_setup_incoming_varargs): Assume cum != NULL.
316         (ix86_va_start): Check ix86_varargs_gpr_size and
317         ix86_varargs_fpr_size instead of cfun->va_list_gpr_size and
318         cfun->va_list_fpr_size, respectively.  Subtract 8*X86_64_REGPARM_MAX
319         from frame pointer if ix86_varargs_gpr_size == 0.
320         (ix86_compute_frame_layout): Updated.
321         * config/i386/i386.h (ix86_save_varrargs_registers): Removed.
322         (ix86_varargs_gpr_size): Define.
323         (ix86_varargs_fpr_size): Likewise.
324         (machine_function): Remove save_varrargs_registers.
325         Add varargs_gpr_size and varargs_fpr_size.
327 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
329         * config/alpha/alpha.c (va_list_skip_additions,
330         alpha_stdarg_optimize_hook, alpha_gimplify_va_arg_1): Tuplify.
331         (alpha_gimplify_va_arg): Call unshare_expr on second use of
332         offset_field.
334         PR tree-optimization/36766
335         * tree-cfg.c (gimple_purge_all_dead_eh_edges): Do nothing
336         for already removed basic blocks.
338         PR target/36332
339         * real.c (real_maxval): Clear a lower bit to make real_maxval
340         match get_max_float for IBM long double format.
342 2008-09-02  Andreas Schwab  <schwab@suse.de>
344         * configure.ac: Use m4_quote to quote the expansion of m4_do.
345         * configure: Regenerate.
347 2008-09-02  Richard Sandiford  <rdsandiford@googlemail.com>
349         * simplify-rtx.c (simplify_binary_operation_1): Check for CONST,
350         SYMBOL_REF and LABEL_REF when applying plus_constant, instead of
351         checking for a non-VOID CONSTANT_P.
353 2008-09-02  Jan Hubicka  <jh@suse.cz>
355         * predict.c (pass_strip_predict_hints): Avoid bugs dump file.
356         * expmed.c (expand_divmod): Fix test of smod_pow2_cheap and sdiv_pow2_cheap
358 2008-09-02  H.J. Lu  <hongjiu.lu@intel.com>
360         * expr.c (emit_group_store): Don't assert stack temp mode size.
362 2008-09-02  Sebastian Pop  <sebastian.pop@amd.com>
363             Tobias Grosser  <grosser@fim.uni-passau.de>
364             Jan Sjodin  <jan.sjodin@amd.com>
365             Harsha Jagasia  <harsha.jagasia@amd.com>
366             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
367             Konrad Trifunovic  <konrad.trifunovic@inria.fr>
368             Adrien Eliche  <aeliche@isty.uvsq.fr>
370         Merge from graphite branch.
371         * graphite.c: New.
372         * graphite.h: New.
373         * tree-loop-linear.c (perfect_loop_nest_depth): Export.
374         * doc/invoke.texi (-floop-block, -floop-interchange,
375         -floop-strip-mine): Document new flags.
376         * tree-into-ssa.c (gimple_vec): Moved...
377         * tree-loop-distribution.c (rdg_component): Moved...
378         * cfgloopmanip.c: Include tree-flow.h.
379         (update_dominators_in_loop): New.
380         (create_empty_if_region_on_edge): New.
381         (create_empty_loop_on_edge): New.
382         (loopify): Use update_dominators_in_loop.
383         * tree-pass.h (pass_graphite_transforms): Declared.
384         * configure: Regenerate.
385         * tree-phinodes.c (make_phi_node): Export.
386         (add_phi_node_to_bb): New, split from create_phi_node.
387         * tree-chrec.c (for_each_scev_op): New.
388         * tree-chrec.h (for_each_scev_op): Declared.
389         * tree-ssa-loop-ivopts.c (get_phi_with_result): New.
390         (remove_statement): Call get_phi_with_result.
391         * config.in (HAVE_cloog): Undef.
392         * gdbinit.in (pgg): New.
393         * timevar.def (TV_GRAPHITE_TRANSFORMS): New.
394         * tree-ssa-loop.c (graphite_transforms): New.
395         (gate_graphite_transforms): New.
396         (pass_graphite_transforms): New.
397         * configure.ac (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC,
398         HAVE_cloog): Defined.
399         * tree-vectorizer.c (rename_variables_in_bb): Export.
400         * tree-data-ref.c (dr_may_alias_p): Export.
401         (stmt_simple_memref_p): New.
402         (find_data_references_in_stmt): Export.
403         (find_data_references_in_loop): Export.
404         (create_rdg_edge_for_ddr): Initialize RDGE_RELATION.
405         (create_rdg_edges_for_scalar): Initialize RDGE_RELATION.
406         (create_rdg_vertices): Export.
407         (build_empty_rdg): New.
408         (build_rdg): Call build_empty_rdg.  Free dependence_relations.
409         * tree-data-ref.h (rdg_component): ... here.
410         (scop_p): New.
411         (struct data_reference): Add a field scop.
412         (DR_SCOP): New.
413         (find_data_references_in_loop): Declared.
414         (find_data_references_in_stmt): Declared.
415         (create_rdg_vertices): Declared.
416         (dr_may_alias_p): Declared.
417         (stmt_simple_memref_p): Declared.
418         (struct rdg_edge): Add a field ddr_p relation.
419         (build_empty_rdg): Declared.
420         * lambda.h (lambda_matrix): Declare a VEC of.
421         (find_induction_var_from_exit_cond): Declared.
422         (lambda_vector_compare): New.
423         * common.opt (fgraphite, floop-strip-mine,
424         floop-interchange, floop-block): New flags.
425         * lambda-code.c (find_induction_var_from_exit_cond): Export.
426         * cfgloop.c (is_loop_exit): New.
427         * cfgloop.h (is_loop_exit): Declared.
428         (create_empty_if_region_on_edge): Declared.
429         (create_empty_loop_on_edge): Declared.
430         * tree-flow.h (add_phi_node_to_bb): Declared.
431         (make_phi_node): Declared.
432         (rename_variables_in_bb): Declared.
433         (perfect_loop_nest_depth): Declared.
434         (graphite_transform_loops): Declared.
435         * Makefile.in (cfgloopmanip.o): Depend on TREE_FLOW_H.
436         (graphite.o-warn): Add -Wno-error.
437         (PPLLIBS, PPLINC, CLOOGLIBS, CLOOGINC): Declared.
438         (LIBS): Add GMPLIBS, CLOOGLIBS, PPLLIBS.
439         (INCLUDES): Add PPLINC, CLOOGINC.
440         (OBJS-common): Add graphite.o.
441         (graphite.o): Add rule.
442         * gimple.h (gimple_vec): ... here.
443         * tree-cfg.c (print_loops): Start printing at ENTRY_BLOCK_PTR.
444         * passes.c (init_optimization_passes): Schedule 
445         pass_graphite_transforms.
447 2008-09-02  Samuel Tardieu  <sam@rfc1149.net>
449         PR target/37283
450         * opts.c (decode_options): Move processing of -fno-unit-at-a-time
451         and -fno-toplevel-reorder after handle_options.
453 2008-09-02  Paul Brook  <paul@codesourcery.com>
455         * config/arm/arm.c (arm_tune_cortex_a9): Define.
456         (arm_override_options): Set arm_tune_cortex_a9.
457         (arm_rtx_costs_1): Make register shifts more expensive on Cortex-A9.
458         (arm_issue_rate): Handle cortexa9.
459         * config/arm/arm.h (arm_tune_cortex_a9): Declare.
460         * config/arm/arm-cores.def: Add cortex-a9.
461         * config/arm/arm-tune.md: Regenerate.
462         * config/arm/arm.md: Include cortex-a9.md.
463         (generic_sched, generic_vfp): Add cortexa9.
464         * config/arm/cortex-a9.md: New file.
466 2008-09-02  Richard Guenther  <rguenther@suse.de>
468         PR tree-optimization/37327
469         * tree-vrp.c (register_new_assert_for): Make sure to not have
470         TREE_OVERFLOW set on the bound.
472 2008-09-02  Alexander Monakov  <amonakov@ispras.ru>
474         Fixed typo in date of the 2008-09-01 MOVE_RATIO commit.
476         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 1.
477         * config/ia64/ia64.c (ia64_set_sched_flags): Always initialize
478         spec_info->mask.
480 2008-09-02  Victor Kaplansky  <victork@il.ibm.com>
482         * gcc/config/spu/spu.md (divdf3): Removed.
484 2008-09-02  Jakub Jelinek  <jakub@redhat.com>
486         PR tree-optimization/37095
487         * cgraph.c (cgraph_node): When creating new cgraph node after
488         assembler_name_hash has been populated, record it in the hash
489         table.
491 2008-09-01  Paul Brook  <paul@codesourcery.com>
493         * doc/invoke.texi: Document -mword-relocations.
494         * config/arm/uclinux-elf.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
495         * config/arm/symbian.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
496         * config/arm/vxworks.h (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
497         * config/arm/arm.c (arm_split_constant): Use arm_emit_movpair.
498         (arm_rtx_costs_1, arm_size_rtx_costs): Handle HIGH and LO_SUM.
499         (arm_emit_movpair): New function.
500         (arm_print_operand <c>): Handle sybolic addresses.
501         * config/arm/arm.h (TARGET_USE_MOVT): Define.
502         (TARGET_DEFAULT_WORD_RELOCATIONS): Define.
503         * config/arm/arm-protos.h (arm_emit_movpair): Add prototype.
504         * config/arm/arm.opt: Add -mword-relocations.
505         * config/arm/arm.md (movsi): Use arm_emit_movpair.
506         (arm_movt, arm_movw): New.
508 2008-09-01  Paul Brook  <paul@codesourcery.com>
510         * config/arm/arm.c (arm_override_options): Set arm_abi earlier.
511         Allow Interworking on ARMv4 EABI based targets.
512         * config/arm/bpabi.h (TARGET_FIX_V4BX_SPEC): Define.
513         (SUBTARGET_EXTRA_ASM_SPEC, LINK_SPEC): Add TARGET_FIX_V4BX_SPEC.
515 2008-09-01  Paul Brook  <paul@codesourcery.com>
517         * config/arm/thumb2.md (thumb2_negscc): Match the correct operand for
518         optimized LT0 test.  Remove optimization for GT.
520 2008-09-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
522         * pa64-hpux.h (LIB_SPEC): Link against librt when building static
523         openmp applications.
524         * pa-hpux11.h (LIB_SPEC): Likewise.
526         * ira.c (setup_eliminable_regset): Only declare i if ELIMINABLE_REGS is
527         defined.
529 2008-09-01  Jan Hubicka  <jh@suse.cz>
531         * predict.c (maybe_hot_count_p, maybe_hot_edge_p): When profile is
532         present, use only counts; when guessed use only frequencies.
533         (estimate_bb_frequencies): Use function_frequency.
534         * profile.c (compute_branch_probabilities): Exit early when
535         profile reading failed. Set profile_status.
536         (branch_prob): Do not set profile_status.
538 2008-09-01  Aldy Hernandez  <aldyh@redhat.com>
540         * tree.c (protected_set_expr_location): New.
541         * tree.h (protected_set_expr_location): New prototype.
542         * c-tree.h (build_array_ref): Add argument.
543         (parser_build_unary_op): Same.
544         * c-typeck.c (build_indirect_ref): Handle new location argument.
545         (build_array_ref): Same.
546         (parser_build_unary_op): Same.
547         * gimplify.c (gimplify_asm_expr): Set input_location before calling
548         error.
549         * c-omp.c (c_finish_omp_atomic): Pass location when calling
550         build_indirect_ref.
551         * c-common.c (finish_label_address_expr): Handle new location
552         argument.
553         * c-common.h (build_indirect_ref): Add argument.
554         (finish_label_address_expr): Same.
555         * c-parser.c (c_parser_unary_expression): Pass location to build
556         functions.
557         (c_parser_postfix_expression): Same.
559 2008-09-01  Paul Brook  <paul@codesourcery.com>
561         * config/arm/arm.md: Include cortex-r4f.md.
562         (attr fpu): Update type list.
563         (attr type): Add fcpys, ffariths, ffarithd, fadds, faddd, fconsts,
564         fconstd, fcmps and fcmpd.
565         (attr tune_cortexr4): Define.
566         (attr generic_sched, attr generic_vfp): Use tune_cortexr4.
567         * config/arm/vfp.md: Document fcpys, ffariths, ffarithd, fadds, faddd,
568         fconsts, fconstd, fcmps and fcmpd.  Use them in insn patterns.
569         * config/arm/arm.c (arm_issue_rate): Add cortexr4f.
570         * config/arm/arm1020e.md (v10_ffarith, v10_farith): Use new insn
571         types.
572         * config/arm/cortex-a8-neon.md (cortex_a8_vfp_add_sub,
573         cortex_a8_vfp_farith: Ditto.
574         * config/arm/vfp11.md (vfp_ffarith, vfp_farith): Ditto.
575         * config/arm/cortex-r4.md: Use tune_cortexr4.
576         * config/arm/cortex-r4f.md: New file.
578 2008-09-01  Richard Guenther  <rguenther@suse.de>
580         PR tree-optimization/37305
581         * tree-ssa-ccp.c (ccp_fold): Do not set TREE_OVERFLOW on
582         the result of constant conversions.
583         (fold_gimple_assign): Likewise.
585 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
587         * sel-sched-ir.c (cmp_v_in_regset_pool): Surround with
588         #ifdef ENABLE_CHECKING.
590 2008-09-01  Andrey Belevantsev  <abel@ispras.ru>
592         * sel-sched-dump.c: Surround with #ifdef INSN_SCHEDULING.
593         * sched-int.h (print_insn, print_pattern, print_value): Declare also
594         when !INSN_SCHEDULING.
596 2008-09-01  Andreas Schwab  <schwab@suse.de>
598         * config/ia64/ia64.c (TARGET_ADDRESS_COST): Update.
600 2008-09-01  Paul Brook  <paul@codesourcery.com>
602         * config/arm/arm.c (arm_no_early_mul_dep): Handle multiply-subtract.
604 2008-09-01  Jan Hubicka  <jh@suse.cz>
606         * config/spu/spu.c (spu_expand_block_move) Update call of MOVE_RATIO.
608         * expr.c (MOVE_BY_PIECES_P, CLEAR_BY_PIECES_P, SET_BY_PIECES_P): Pass speed operand.
609         * expr.h (MOVE_RATIO, CLEAR_RATIO, SET_RATIO): Update.
610         * gimplify.c (gimplify_init_constructor): Add speed operand.
611         * tree-sra.c (decide_block_copy): Likewise.
612         * tree-inline.c (estimate_move_cost): Likewise.
613         * config/alpha/alpha.h (MOVE_RATIO): Update.
614         * config/frv/frv.c (MOVE_RATIO): Update.
615         * config/spu/spu.h (MOVE_RATIO): Update.
616         * config/sparc/sparc.h (MOVE_RATIO): Update.
617         * config/i386/i386.h (MOVE_RATIO, CLEAR_RATIO): Update.
618         * config/m68hc11/m68hc11.h (MOVE_RATIO): Update.
619         * config/cris/cris.h (MOVE_RATIO): Update.
620         * config/mn10300/mn10300.h (MOVE_RATIO): Update.
621         * config/arm/arm.h (MOVE_RATIO): Update.
622         * config/pa/pa.md: Update uses of MOVE_RATIO
623         * config/pa/pa.h (MOVE_RATIO): Update.
624         * config/mips/mips.h (MOVE_RATIO, MOVE_BY_PIECES, CLEAR_RATIO, SET_RATIO): Update.
625         * config/h8300/h8300.h (MOVE_RATIO): Update.
626         * config/v850/v850.h (MOVE_RATIO): Update.
627         * config/bfin/bfin.h (MOVE_RATIO): Update.
629 2008-08-31  Andrey Belevantsev  <abel@ispras.ru>
630         Dmitry Melnik  <dm@ispras.ru>
631         Dmitry Zhurikhin  <zhur@ispras.ru>
632         Alexander Monakov  <amonakov@ispras.ru>
633         Maxim Kuvyrkov  <maxim@codesourcery.com>
635         * sel-sched.h, sel-sched-dump.h, sel-sched-ir.h, sel-sched.c,
636         sel-sched-dump.c, sel-sched-ir.c: New files.
637         * Makefile.in (OBJS-common): Add selective scheduling object
638         files.
639         (sel-sched.o, sel-sched-dump.o, sel-sched-ir.o): New entries.
640         (SEL_SCHED_IR_H, SEL_SCHED_DUMP_H): New entries.
641         (sched-vis.o): Add dependency on $(INSN_ATTR_H).
642         * cfghooks.h (get_cfg_hooks, set_cfg_hooks): New prototypes.
643         * cfghooks.c (get_cfg_hooks, set_cfg_hooks): New functions.
644         (make_forwarder_block): Update loop latch if we have redirected
645         the loop latch edge.
646         * cfgloop.c (get_loop_body_in_custom_order): New function.
647         * cfgloop.h (LOOPS_HAVE_FALLTHRU_PREHEADERS): New enum field.
648         (CP_FALLTHRU_PREHEADERS): Likewise.
649         (get_loop_body_in_custom_order): Declare.
650         * cfgloopmanip.c (has_preds_from_loop): New.
651         (create_preheader): Honor CP_FALLTHRU_PREHEADERS.
652         Assert that the preheader edge will be fall thru when it is set.
653         * common.opt (fsel-sched-bookkeeping, fsel-sched-pipelining,
654         fsel-sched-pipelining-outer-loops, fsel-sched-renaming,
655         fsel-sched-substitution, fselective-scheduling): New flags.
656         * cse.c (hash_rtx_cb): New.
657         (hash_rtx): Use it.
658         * dbgcnt.def (sel_sched_cnt, sel_sched_region_cnt,
659         sel_sched_insn_cnt): New counters.
660         * final.c (compute_alignments): Export.  Free dominance info after loop_optimizer_finalize.
661         * genattr.c (main): Output maximal_insn_latency prototype.
662         * genautomata.c (output_default_latencies): New. Factor its code from ...
663         (output_internal_insn_latency_func): ... here.
664         (output_internal_maximal_insn_latency_func): New.
665         (output_maximal_insn_latency_func): New.
666         * hard-reg-set.h (UHOST_BITS_PER_WIDE_INT): Define unconditionally.
667         (struct hard_reg_set_iterator): New.
668         (hard_reg_set_iter_init, hard_reg_set_iter_set,
669         hard_reg_set_iter_next): New functions.
670         (EXECUTE_IF_SET_IN_HARD_REG_SET): New macro.
671         * lists.c (remove_free_INSN_LIST_node,
672         remove_free_EXPR_LIST_node): New functions.
673         * loop-init.c (loop_optimizer_init): When LOOPS_HAVE_FALLTHRU_PREHEADERS,
674         set CP_FALLTHRU_PREHEADERS when calling create_preheaders.
675         (loop_optimizer_finalize): Do not verify flow info after reload.
676         * recog.c (validate_replace_rtx_1): New parameter simplify.
677         Default it to true.  Update all uses.  Factor out simplifying
678         code to ...
679         (simplify_while_replacing): ... this new function.
680         (validate_replace_rtx_part,
681         validate_replace_rtx_part_nosimplify): New.
682         * recog.h (validate_replace_rtx_part,
683         validate_replace_rtx_part_nosimplify): Declare.
684         * rtl.c (rtx_equal_p_cb): New.
685         (rtx_equal_p): Use it.
686         * rtl.h (rtx_equal_p_cb, hash_rtx_cb): Declare.
687         (remove_free_INSN_LIST_NODE, remove_free_EXPR_LIST_node,
688         debug_bb_n_slim, debug_bb_slim,    print_rtl_slim): Likewise.
689         * vecprim.h: Add a vector type for unsigned int.
690         * haifa-sched.c: Include vecprim.h and cfgloop.h.
691         (issue_rate, sched_verbose_param, note_list, dfa_state_size,
692         ready_try, cycle_issued_insns, spec_info): Make global.
693         (readyp): Initialize.
694         (dfa_lookahead): New global variable.
695         (old_max_uid, old_last_basic_block): Remove.
696         (h_i_d): Make it a vector.
697         (INSN_TICK, INTER_TICK, QUEUE_INDEX, INSN_COST): Make them work
698         through HID macro.
699         (after_recovery, adding_bb_to_current_region_p):
700         New variables to handle correct insertion of the recovery code.
701         (struct ready_list): Move declaration to sched-int.h.
702         (rgn_n_insns): Removed.
703         (rtx_vec_t): Move to sched-int.h.
704         (find_insn_reg_weight): Remove.
705         (find_insn_reg_weight1): Rename to find_insn_reg_weight.
706         (haifa_init_h_i_d, haifa_finish_h_i_d):
707         New functions to initialize / finalize haifa instruction data.
708         (extend_h_i_d, init_h_i_d): Rewrite.
709         (unlink_other_notes): Move logic to add_to_note_list.  Handle
710         selective scheduler.
711         (ready_lastpos, ready_element, ready_sort, reemit_notes,
712         find_fallthru_edge): Make global, remove static prototypes.
713         (max_issue): Make global.  Add privileged_n and state parameters.  Use
714         them.
715         (extend_global, extend_all): Removed.
716         (init_before_recovery): Add new param.  Fix the handling of the case
717         when we insert a recovery code before the EXIT which has a predecessor
718         with a fallthrough edge to it.
719         (create_recovery_block): Make global.  Rename to
720         sched_create_recovery_block.  Update.
721         (change_pattern): Rename to sched_change_pattern.  Make global.
722         (speculate_insn): Rename to sched_speculate_insn.  Make global.
723         Split haifa-specific functionality into ...
724         (haifa_change_pattern): New static function.
725         (sched_extend_bb): New static function.
726         (sched_init_bbs): New function.
727         (current_sched_info): Change type to struct haifa_sched_info.
728         (insn_cost): Adjust for selective scheduling.
729         (dep_cost_1): New function.  Move logic from ...
730         (dep_cost): ... here.
731         (dep_cost): Use dep_cost_1.
732         (contributes_to_priority_p): Use sched_deps_info instead of
733         current_sched_info.
734         (priority): Adjust to work with selective scheduling.  Process the
735         corner case when all dependencies don't contribute to priority.
736         (rank_for_schedule): Use ds_weak instead of dep_weak.
737         (advance_state): New function.  Move logic from ...
738         (advance_one_cycle): ... here.
739         (add_to_note_list, concat_note_lists): New functions.
740         (rm_other_notes): Make static.  Adjust for selective scheduling.
741         (remove_notes, restore_other_notes): New functions.
742         (move_insn): Add two arguments.  Update assert.  Don't call
743         reemit_notes.
744         (choose_ready): Remove lookahead variable, use dfa_lookahead.
745         Remove more_issue, max_points.  Move the code to initialize
746         max_lookahead_tries to max_issue.
747         (schedule_block): Remove rgn_n_insns1 parameter.  Don't allocate
748         ready.  Adjust use of move_insn.  Call restore_other_notes.
749         (luid): Remove.
750         (sched_init, sched_finish): Move Haifa-specific initialization/
751         finalization to ...
752         (haifa_sched_init, haifa_sched_finish): ... respectively.
753         New functions.
754         (setup_sched_dump): New function.
755         (haifa_init_only_bb): New static function.
756         (haifa_speculate_insn): New static function.
757         (try_ready): Use haifa_* instead of speculate_insn and
758         change_pattern.
759         (extend_ready, extend_all): Remove.
760         (sched_extend_ready_list, sched_finish_ready_list): New functions.
761         (create_check_block_twin, add_to_speculative_block): Use
762         haifa_insns_init instead of extend_global.  Update to use new
763         initialization functions.  Change parameter.  Factor out code from
764         create_check_block_twin to ...
765         (sched_create_recovery_edges) ... this new function.
766         (add_block): Remove.
767         (sched_scan_info): New.
768         (extend_bb): Use sched_scan_info.
769         (init_bb, extend_insn, init_insn, init_insns_in_bb, sched_scan): New
770         static functions for walking through scheduling region.
771         (sched_luids): New vector variable to replace uid_to_luid.
772         (luids_extend_insn): New function.
773         (sched_max_luid): New variable.
774         (luids_init_insn): New function.
775         (sched_init_luids, sched_finish_luids): New functions.
776         (insn_luid): New debug function.
777         (sched_extend_target): New function.
778         (haifa_init_insn): New static function.
779         (sched_init_only_bb): New hook.
780         (sched_split_block): New hook.
781         (sched_split_block_1): New function.
782         (sched_create_empty_bb): New hook.
783         (sched_create_empty_bb_1): New function.
784         (common_sched_info, ready): New global variables.
785         (current_sched_info_var): Remove.
786         (move_block_after_check): Use common_sched_info.
787         (haifa_luid_for_non_insn): New static function.
788         (init_before_recovery): Use haifa_init_only_bb instead of
789         add_block.
790         (increase_insn_priority): New.
791         * modulo-sched.c: (issue_rate): Remove static declaration.
792         (sms_sched_info): Change type to haifa_sched_info.
793         (sms_sched_deps_info, sms_common_sched_info): New variables.
794         (setup_sched_infos): New.
795         (sms_schedule): Initialize them.  Call haifa_sched_init/finish.
796         Do not call regstat_free_calls_crossed.
797         (sms_print_insn): Use const_rtx.
798         * params.def (PARAM_MAX_PIPELINE_REGION_BLOCKS,
799         PARAM_MAX_PIPELINE_REGION_INSNS, PARAM_SELSCHED_MAX_LOOKAHEAD,
800         PARAM_SELSCHED_MAX_SCHED_TIMES, PARAM_SELSCHED_INSNS_TO_RENAME,
801         PARAM_SCHED_MEM_TRUE_DEP_COST): New.
802         * sched-deps.c (sched_deps_info): New.  Update all relevant uses of
803         current_sched_info to use it.
804         (enum reg_pending_barrier_mode): Move to sched-int.h.
805         (h_d_i_d): New variable. Initialize to NULL.
806         ({true, output, anti, spec, forward}_dependency_cache): Initialize
807         to NULL.
808         (estimate_dep_weak): Remove static declaration.
809         (sched_has_condition_p): New function.  Adjust users of
810         sched_get_condition to use it instead.
811         (conditions_mutex_p): Add arguments indicating which conditions are
812         reversed.  Use them.
813         (sched_get_condition_with_rev): Rename from sched_get_condition.  Add
814         argument to indicate whether returned condition is reversed.  Do not
815         generate new rtx when condition should be reversed; indicate it by
816         setting new argument instead.
817         (add_dependence_list_and_free): Add deps parameter.
818         Update all users.  Do not free dependence list when
819         deps context is readonly.
820         (add_insn_mem_dependence, flush_pending_lists): Adjust for readonly
821         contexts.
822         (remove_from_dependence_list, remove_from_both_dependence_lists): New.
823         (remove_from_deps): New. Use the above functions.
824         (cur_insn, can_start_lhs_rhs_p): New static variables.
825         (add_or_update_back_dep_1): Initialize present_dep_type.
826         (haifa_start_insn, haifa_finish_insn, haifa_note_reg_set,
827         haifa_note_reg_clobber, haifa_note_reg_use, haifa_note_mem_dep,
828         haifa_note_dep): New functions implementing dependence hooks for
829         the Haifa scheduler.
830         (note_reg_use, note_reg_set, note_reg_clobber, note_mem_dep,
831         note_dep): New functions.
832         (ds_to_dt, extend_deps_reg_info, maybe_extend_reg_info_p): New
833         functions.
834         (init_deps): Initialize last_reg_pending_barrier and deps->readonly.
835         (free_deps): Initialize deps->reg_last.
836         (sched_analyze_reg, sched_analyze_1, sched_analyze_2,
837         sched_analyze_insn): Update to use dependency hooks infrastructure
838         and readonly contexts.
839         (deps_analyze_insn): New function.  Move part of logic from ...
840         (sched_analyze): ... here.  Also move some logic to ...
841         (deps_start_bb): ... here.  New function.
842         (add_forw_dep, delete_forw_dep): Guard use of INSN_DEP_COUNT with
843         sel_sched_p.
844         (sched_deps_init): New function.  Move code from ...
845         (init_dependency_caches): ... here.  Remove.
846         (init_deps_data_vector): New.
847         (sched_deps_finish): New function.  Move code from ...
848         (free_dependency_caches): ... here.  Remove.
849         (init_deps_global, finish_deps_global): Adjust for use with
850         selective scheduling.
851         (get_dep_weak): Move logic to ...
852         (get_dep_weak_1): New function.
853         (ds_merge): Move logic to ...
854         (ds_merge_1): New static function.
855         (ds_full_merge, ds_max_merge, ds_get_speculation_types): New functions.
856         (ds_get_max_dep_weak): New function.
857         * sched-ebb.c (sched_n_insns): Rename to sched_rgn_n_insns.
858         (n_insns): Rename to rgn_n_insns.
859         (debug_ebb_dependencies): New function.
860         (init_ready_list): Use it.
861         (begin_schedule_ready): Use sched_init_only_bb.
862         (ebb_print_insn): Indicate when an insn starts a new cycle.
863         (contributes_to_priority, compute_jump_reg_dependencies,
864         add_remove_insn, fix_recovery_cfg): Add ebb_ prefix to function names.
865         (add_block1): Remove to ebb_add_block.
866         (ebb_sched_deps_info, ebb_common_sched_info): New variables.
867         (schedule_ebb): Initialize them.  Use remove_notes instead of
868         rm_other_notes.  Use haifa_local_init/finish.
869         (schedule_ebbs): Use haifa_sched_init/finish.
870         * sched-int.h: Include vecprim.h, remove rtl.h.
871         (struct ready_list): Delete declaration.
872         (sched_verbose_param, enum sched_pass_id_t,
873         bb_vec_t, insn_vec_t, rtx_vec_t): New.
874         (struct sched_scan_info_def): New structure.
875         (sched_scan_info, sched_scan, sched_init_bbs,
876         sched_init_luids, sched_finish_luids, sched_extend_target,
877         haifa_init_h_i_d, haifa_finish_h_i_d): Declare.
878         (struct common_sched_info_def): New.
879         (common_sched_info, haifa_common_sched_info,
880         sched_emulate_haifa_p): Declare.
881         (sel_sched_p): New.
882         (sched_luids): Declare.
883         (INSN_LUID, LUID_BY_UID, SET_INSN_LUID): Declare.
884         (sched_max_luid, insn_luid): Declare.
885         (note_list, remove_notes, restore_other_notes, bb_note): Declare.
886         (sched_insns_init, sched_insns_finish, xrecalloc, reemit_notes,
887         print_insn, print_pattern, print_value, haifa_classify_insn,
888         sel_find_rgns, sel_mark_hard_insn, dfa_state_size, advance_state,
889         setup_sched_dump, sched_init, sched_finish,
890         sel_insn_is_speculation_check): Export.
891         (struct ready_list): Move from haifa-sched.c.
892         (ready_try, ready, max_issue): Export.
893         (ebb_compute_jump_reg_dependencies, find_fallthru_edge,
894         sched_init_only_bb, sched_split_block, sched_split_block_1,
895         sched_create_empty_bb, sched_create_empty_bb_1,
896         sched_create_recovery_block, sched_create_recovery_edges): Export.
897         (enum reg_pending_barrier_mode): Export.
898         (struct deps): New fields `last_reg_pending_barrier' and `readonly'.
899         (deps_t): New.
900         (struct sched_info): Rename to haifa_sched_info.  Use const_rtx for
901         print_insn field.  Move add_block and fix_recovery_cfg to
902         common_sched_info_def.  Move compute_jump_reg_dependencies, use_cselib  ...
903         (struct sched_deps_info_def): ... this new structure.
904         (sched_deps_info): Declare.
905         (struct spec_info_def): Remove weakness_cutoff, add
906         data_weakness_cutoff and control_weakness_cutoff.
907         (spec_info): Declare.
908         (struct _haifa_deps_insn_data): Split from haifa_insn_data.  Add
909         dep_count field.
910         (struct haifa_insn_data): Rename to struct _haifa_insn_data.
911         (haifa_insn_data_def, haifa_insn_data_t): New typedefs.
912         (current_sched_info): Change type to struct haifa_sched_info.
913         (haifa_deps_insn_data_def, haifa_deps_insn_data_t): New typedefs.
914         (h_d_i_d): New variable.
915         (HDID): New accessor macro.
916         (h_i_d): Change type to VEC (haifa_insn_data_def, heap) *.
917         (HID): New accessor macro.  Rewrite h_i_d accessor macros through HID
918         and HDID.
919         (IS_SPECULATION_CHECK_P): Update for selective scheduler.
920         (enum SCHED_FLAGS): Update for selective scheduler.
921         (enum SPEC_SCHED_FLAGS): New flag SEL_SCHED_SPEC_DONT_CHECK_CONTROL.
922         (init_dependency_caches, free_dependency_caches): Delete declarations.
923         (deps_analyze_insn, remove_from_deps, get_dep_weak_1,
924         estimate_dep_weak, ds_full_merge, ds_max_merge, ds_weak,
925         ds_get_speculation_types, ds_get_max_dep_weak, sched_deps_init,
926         sched_deps_finish, haifa_note_reg_set, haifa_note_reg_use,
927         haifa_note_reg_clobber, maybe_extend_reg_info_p, deps_start_bb,
928         ds_to_dt): Export.
929         (rm_other_notes): Delete declaration.
930         (schedule_block): Remove one argument.
931         (cycle_issued_insns, issue_rate, dfa_lookahead, ready_sort,
932         ready_element, ready_lastpos, sched_extend_ready_list,
933         sched_finish_ready_list, sched_change_pattern, sched_speculate_insn,
934         concat_note_lists): Export.
935         (struct region): Move from sched-rgn.h.
936         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
937         RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
938         BLOCK_TO_BB, CONTAINING_RGN): Export.
939         (ebb_head, BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB, INSN_BB): Likewise.
940         (current_nr_blocks, current_blocks, target_bb): Likewise.
941         (dep_cost_1, sched_is_disabled_for_current_region_p, sched_rgn_init,
942         sched_rgn_finish, rgn_setup_region, sched_rgn_compute_dependencies,
943         sched_rgn_local_init, extend_regions,
944         rgn_make_new_region_out_of_new_block, compute_priorities,
945         debug_rgn_dependencies, free_rgn_deps, contributes_to_priority,
946         extend_rgns, deps_join rgn_setup_common_sched_info,
947         rgn_setup_sched_infos, debug_regions, debug_region, dump_region_dot,
948         dump_region_dot_file, haifa_sched_init, haifa_sched_finish): Export.
949         (get_rgn_sched_max_insns_priority, sel_add_to_insn_priority,
950         increase_insn_priority): Likewise.
951         * sched-rgn.c: Include sel-sched.h.
952         (ref_counts): New static variable.  Use it ...
953         (INSN_REF_COUNT): ... here.  Rewrite and move closer to uses.
954         (FED_BY_SPEC_LOAD, IS_LOAD_INSN): Rewrite to use HID accessor macro.
955         (sched_is_disabled_for_current_region_p): Delete static declaration.
956         (struct region): Move to sched-int.h.
957         (nr_regions, rgn_table, rgn_bb_table, block_to_bb, containing_rgn,
958         ebb_head): Define and initialize.
959         (RGN_NR_BLOCKS, RGN_BLOCKS, RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB,
960         BLOCK_TO_BB, CONTAINING_RGN, debug_regions, extend_regions,
961         BB_TO_BLOCK, EBB_FIRST_BB, EBB_LAST_BB): Move to
962         sched-int.h.
963         (find_single_block_region): Add new argument to indicate that EBB
964         regions should be constructed.
965         (debug_live): Delete declaration.
966         (current_nr_blocks, current_blocks, target_bb): Remove static qualifiers.
967         (compute_dom_prob_ps, check_live, update_live, set_spec_fed): Delete
968         declaration.
969         (init_regions): Delete declaration.
970         (debug_region, bb_in_region_p, dump_region_dot_file, dump_region_dot,
971         rgn_estimate_number_of_insns): New.
972         (too_large): Use estimate_number_of_insns.
973         (haifa_find_rgns): New. Move the code from ...
974         (find_rgns): ... here.  Call either sel_find_rgns or haifa_find_rgns.
975         (free_trg_info): New.
976         (compute_trg_info): Allocate candidate tables here instead of ...
977         (init_ready_list): ... here.
978         (rgn_print_insn): Use const_rtx.
979         (contributes_to_priority, extend_regions): Delete static declaration.
980         (add_remove_insn, fix_recovery_cfg): Add rgn_ to function names.
981         (add_block1): Rename to rgn_add_block.
982         (debug_rgn_dependencies): Delete static qualifier.
983         (new_ready): Use sched_deps_info.  Simplify.
984         (rgn_common_sched_info, rgn_const_sched_deps_info,
985         rgn_const_sel_sched_deps_info, rgn_sched_deps_info, rgn_sched_info): New.
986         (region_sched_info): Rename to rgn_const_sched_info.
987         (deps_join): New, extracted from ...
988         (propagate_deps): ... here.
989         (compute_block_dependences, debug_dependencies): Update for selective
990         scheduling.
991         (free_rgn_deps, compute_priorities): New functions.
992         (sched_rgn_init, sched_rgn_finish, rgn_setup_region,
993         sched_rgn_compute_dependencies): New functions.
994         (schedule_region): Use them.
995         (sched_rgn_local_init, sched_rgn_local_free, sched_rgn_local_finish,
996         rgn_setup_common_sched_info, rgn_setup_sched_infos):
997         New functions.
998         (schedule_insns): Call new functions that were split out.
999         (rgn_make_new_region_out_of_new_block): New.
1000         (get_rgn_sched_max_insns_priority): New.
1001         (rest_of_handle_sched, rest_of_handle_sched2): Call selective
1002         scheduling when appropriate.
1003         * sched-vis.c: Include insn-attr.h.
1004         (print_value, print_pattern): Make global.
1005         (print_rtl_slim, debug_bb_slim, debug_bb_n_slim): New functions.
1006         * target-def.h (TARGET_SCHED_ADJUST_COST_2,
1007         TARGET_SCHED_ALLOC_SCHED_CONTEXT, TARGET_SCHED_INIT_SCHED_CONTEXT,
1008         TARGET_SCHED_SET_SCHED_CONTEXT, TARGET_SCHED_CLEAR_SCHED_CONTEXT,
1009         TARGET_SCHED_FREE_SCHED_CONTEXT, TARGET_SCHED_GET_INSN_CHECKED_DS,
1010         TARGET_SCHED_GET_INSN_SPEC_DS, TARGET_SCHED_SKIP_RTX_P): New target
1011         hooks.  Initialize them to 0.
1012         (TARGET_SCHED_GEN_CHECK): Rename to TARGET_SCHED_GEN_SPEC_CHECK.
1013         * target.h (struct gcc_target): Add them.  Rename gen_check field to
1014         gen_spec_check.
1015         * flags.h (sel_sched_switch_set): Declare.
1016         * opts.c (sel_sched_switch_set): New variable.
1017         (decode_options): Unset flag_sel_sched_pipelining_outer_loops if
1018         pipelining is disabled from command line.
1019         (common_handle_option): Record whether selective scheduling is
1020         requested from command line.
1021         * doc/invoke.texi: Document new flags and parameters.
1022         * doc/tm.texi: Document new target hooks.
1023         * config/ia64/ia64.c (TARGET_SCHED_GEN_SPEC_CHECK): Define to ia64_gen_check.
1024         (dfa_state_size): Do not declare locally.
1025         * config/ia64/ia64.opt (msched-ar-data-spec): Default to 0.
1026         * config/rs6000/rs6000.c (rs6000_init_sched_context,
1027         rs6000_alloc_sched_context, rs6000_set_sched_context,
1028         rs6000_free_sched_context): New functions.
1029         (struct _rs6000_sched_context): New.
1030         (rs6000_sched_reorder2): Do not modify INSN_PRIORITY for selective
1031         scheduling.
1032         (rs6000_sched_finish): Do not run for selective scheduling.
1034 2008-08-31  Jan Hubicka  <jh@suse.cz>
1036         * frv.c (frv_rtx_costs): Update forward declaration.
1037         * spu.c (spu_rtx_costs): Likewise.
1038         * pdp11.c: Include df.h
1039         (pdp11_output_function_epilogue): Use df_set_regs_ever_live.
1040         * m68hc11.c (m68hc11_gen_highpart): Fix call of gen_rtx_SUBREG.
1041         (m68hc11_rtx_costs_1): Fix call of rtx_cost.
1042         * iq2000.c (iq2000_address_cost): Add speed argument.
1043         (iq2000_rtx_costs): Likewise.
1044         * mn10300.c (mn10300_address_cost_1): Remove speed argument;
1045         update call of mn10300_address_cost.
1046         * mcore.c: Include df.h
1047         (mcore_rtx_costs): Update prototype.
1048         * score3.c: Include df.h
1049         (score3_rtx_costs): Remove speed argument.
1050         * score7.c: Include df.h
1051         (score7_address_cost): Remove speed argument.
1052         * score-protos.h (score_address_cost): Update prototype.
1053         * score.c: Include df.h
1054         (score_rtx_costs): Update call of costs functions.
1055         * v850.c (v850_rtx_costs): Add bool argument.
1057 2008-08-31  Hans-Peter Nilsson  <hp@axis.com>
1059         * config/cris/cris.c (cris_rtx_costs): Correct call to rtx_costs.
1061 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1063         * gthr-win32.h (__gthread_setspecific): Use CONST_CAST2.
1064         * config/i386/gthr-win32.c (__gthread_setspecific): Same.
1066 2008-08-31  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
1068         * mkmap-flat.awk: Add option pe_dll.
1069         * config/i386/t-cygming (SHLIB_LINK): Support building libgcc_s.
1070         * config/i386/t-cygwin (SHLIB_LC): Add.
1071         * config/i386/t-mingw32 (SHLIB_LC): Add.
1072         * config/i386/mingw32.h (SHARED_LIBGCC_UNDEFS_SPEC): New.
1073         (SUBTARGET_EXTRA_SPECS): Use SHARED_LIBGCC_UNDEFS_SPEC.
1074         (LINK_SPEC): Support libgcc_s.
1075         (LIBGCC_SPEC): Support libgcc_s.
1076         (LIBGCC_SONAME): New.
1078 2008-08-31  Jan Hubicka  <jh@suse.cz>
1080         * predict.c (maybe_hot_bb_p, maybe_hot_edge_p): Previous commit
1081         mistakely had old version of patch.
1083         * ipa-cp.c (ipcp_need_original_clone_p): Remove.
1084         (ipcp_estimate_growth): New.
1085         (ipcp_insert_stage): Use ipcp_estimate_growth.
1086         * profile.c (branch_prob): When reading failed, do not consider
1087         profile as read.
1089 2008-08-31  Jan Hubicka  <jh@suse.cz>
1091         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Check that
1092         loop is optimized for speed.
1094 2008-08-31  Richard Guenther  <rguenther@suse.de>
1096         PR middle-end/37289
1097         * fold-const.c (fold_binary): Retain conversions in folding
1098         ~A + 1 to -A.
1100 2008-08-31  Jan Hubicka  <jh@suse.cz>
1102         * postreload-gcse.c (eliminate_partially_redundant_loads): Use optimize_bb_for_size_p.
1103         * predict.c (maybe_hot_frequency_p): Make inline.
1104         (maybe_hot_count_p): Break out from ...
1105         (maybe_hot_bb_p): ... this one.
1106         (maybe_hot_edge_p): Simplify.
1107         * basic-block.h (probably_cold_bb_p): Remove.
1109 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
1111         PR target/37168
1112         * config/rs6000/rs6000-protos.h (const_vector_elt_as_int): Add
1113         prototype.
1114         * config/rs6000/rs6000.c (const_vector_elt_as_int): No longer static.
1115         * config/rs6000/altivec.md (easy_vector_constant_add_self splitter):
1116         Also split V4SFmode.
1117         * config/rs6000/predicates.md (easy_vector_constant_add_self): Handle
1118         vector float modes.
1120 2008-08-31  Jan Hubicka  <jh@suse.cz>
1122         * predict.c (PROB_VERY_LIKELY): Make small enough so things
1123         become cold.
1124         * predict.def (PRED_NORETURN_CALL, PRED_COLD_CALL): Use it.
1126 2008-08-31  Jakub Jelinek  <jakub@redhat.com>
1128         PR debug/37287
1129         * dwarf2out.c (gen_namespace_die): For DECL_EXTERNAL modules don't
1130         add source coords.
1132         * dwarf2out.c (native_encode_initializer): Subtract min_index for
1133         non-range array index.  Handle VIEW_CONVERT_EXPR and NON_LVALUE_EXPR.
1135 2008-08-31  Jan Hubicka  <jh@suse.cz>
1137         * sparc.h (BRANCH_COST): Fix macro definition.
1138         * avr.c (avr_operand_rtx_cost): Add speed argument.
1139         (avr_rtx_costs): Update calls of avr_operand_rtx_cost.
1141 2008-08-31  Richard Guenther  <rguenther@suse.de>
1143         * tree-cfg.c (verify_types_in_gimple_assign): Dump mismatched
1144         types instead of operands.  Re-instantiate verifying of
1145         binary expression operands.
1147 2008-08-30  Jan Hubicka  <jh@suse.cz>
1149         * fwprop.c (should_replace_address): Add speed attribute.
1150         (PR_OPTIMIZE_FOR_SPEED): New flag.
1151         (propagate_rtx_1): Use it.
1152         (propagate_rtx): Set it.
1153         (try_fwprop_subst): Update call of rtx_costs.
1154         (forward_propagate_and_simplify): LIkewise.
1155         * hooks.c (hook_int_rtx_bool_0): New
1156         (hook_bool_rtx_int_int_intp_false): Replace by ...
1157         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
1158         * hooks.h (hook_int_rtx_bool_0): New
1159         (hook_bool_rtx_int_int_intp_false): Replace by ...
1160         (hook_bool_rtx_int_int_intp_bool_false): .. thisone.
1161         * optabs.c (avoid_expensive_constant): UPdate call of rtx_cost.
1162         (prepare_cmp_insn): UPdate call of rtx_cost.
1163         * postreload.c (reload_cse_simplify_set): Update call of rtx_cost.
1164         (reload_cse_simplify_operands): Update call of rtx_cost.
1165         (reload_cse_move2add): call of rtx_cost.
1166         * target.h (struct gcc_target): Update rtx_costs and address_costs.
1167         * rtlanal.c (rtx_cost): Add speed argument.
1168         (address_cost): Add speed argument
1169         (default_address_cost): Likewise.
1170         (insn_rtx_cost): Likewise.
1171         * cfgloopanal.c (seq_cost): Add speed argument.
1172         (target_reg_cost, target_spill_cost): Turn to array.
1173         (init_set_costs): Update for speed.
1174         (estimate_reg_pressure_cost): Add speed argument.
1175         * auto-inc-dec.c (attempt_change): Update call of rtx_cost.
1176         * dojump.c (prefer_and_bit_test): UPdate call of rtx_cost.
1177         * tree-ssa-loop-ivopts.c (struct ivopts_data): New field speed.
1178         (seq_cost): Add speed argument.
1179         (computation_cost): Add speed arugment.
1180         (add_cost, multiply_by_const, get_address_cost): add speed argument.
1181         (force_expr_to_var_cost): Update for profile info.
1182         (force_var_cost): Likewise.
1183         (split_address_cost): Likewise.
1184         (ptr_difference_cost): Likewise.
1185         (difference_cost): Likewise.
1186         (get_computation_cost_at): Likewise.
1187         (determine_iv_cost): Likewise.
1188         (ivopts_global_cost_for_size): Likewise.
1189         (rewrite_use_address): Likewise.
1190         (tree_ssa_iv_optimize_loop): Initialize speed field.
1191         * cse.c (optimize_this_for_speed_p): New static var.
1192         (notreg_cost): Update call of rtx_cost.
1193         (cse_extended_basic_block): set optimize_this_for_speed_p.
1194         * ifcvt.c (cheap_bb_rtx_cost_p): Update call of rtx_cost.
1195         (noce_try_cmove_arith): Likewise.
1196         (noce_try_sign_mask): LIkewise.
1197         * expr.c (compress_float_constant): Update rtx_cost calls.
1198         * tree-ssa-address.c (most_expensive_mult_to_index): Add speed argument.
1199         (addr_to_parts): Likewise.
1200         (create_mem_ref): Likewise.
1201         * dse.c (find_shift_sequence): Add speed argument.
1202         (replace_read): Update call.
1203         * calls.c (precompute_register_parameters): Update call of rtx_cost.
1204         * expmed.c (sdiv_pow2_cheap, smod_pow2_cheap, zero_cost, add_cost,
1205         * neg_cost, shift_cost, shiftadd_cost,
1206         shiftsub_cost, mul_cost, sdiv_cost, udiv_cost ,mul_widen_cost,
1207         mul_highpart_cost): Increase dimension.
1208         (init_expmed): Initialize for both size and speed.
1209         (expand_shift): Use profile.
1210         (synth_mult): Use profile.
1211         (choose_mult_variant): Use profile.
1212         (expand_mult): Use profile.
1213         (expand_mult_highpart_optab): Use profile.
1214         (expand_mult_highpart): Use profile.
1215         (expand_smod_pow2): Use profile.
1216         (expand_divmod): Use profile.
1217         * simplify-rtx.c (simplify_binary_operation_1): Update call of rtx_cost.
1218         * loop-invariant.c (create_new_invariant): Use profile.
1219         (gain_for_invariant): Add speed parameter.
1220         (best_gain_for_invariant): Likewise.
1221         (find_invariants_to_move): Likewise.
1222         (move_single_loop_invariants): Set it.
1223         * target-def.h (TARGET_RTX_COSTS): Use hook.
1224         * rtl.h (rtx_cost, address_cost, insn_rtx_cost): Update prototpe.
1225         (optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
1226         * output.h (default_address_cost): Update prototype.
1227         * combine.c (optimize_this_for_speed_p): New static var.
1228         (combine_validate_cost): Update call of rtx_cost.
1229         (combine_instructions): Set optimize_this_for_speed_p.
1230         (expand_compound_operation): Update call of rtx_cost.
1231         (make_extraction):Update call of rtx_cost.
1232         (force_to_mode):Update call of rtx_cost.
1233         (distribute_and_simplify_rtx):Update call of rtx_cost.
1234         * cfgloop.h (target_reg_cost, target_spill_cost): Turn to array.
1235         (estimate_reg_pressure_cost): Update prototype.
1236         * tree-flow.h (multiply_by_cost, create_mem_ref): Update prototype.
1237         * basic-block.h (optimize_insn_for_size_p, optimize_insn_for_speed_p):
1238         Remove.
1239         * config/alpha/alpha.c (alpha_rtx_costs): Update.
1240         (alpha_rtx_costs): Update.
1241         * config/frv/frv.c (frv_rtx_costs): Update.
1242         * config/s390/s390.c (s390_rtx_costs): Update.
1243         * config/m32c/m32c.c (m32c_memory_move_cost): Update.
1244         (m32c_rtx_costs): Update.
1245         * config/spu/spu.c (TARGET_ADDRESS_COST): Upate.
1246         (spu_rtx_costs): Update.
1247         * config/sparc/sparc.c (sparc_rtx_costs): Update.
1248         * config/m32r/m32r.c (m32r_rtx_costs): Update.
1249         * config/i386/i386.c (:ix86_address_cost): Update.
1250         (ix86_rtx_costs): Update.
1251         * config/sh/sh.c (sh_rtx_costs, sh_address_cost): Update.
1252         * config/pdp11/pdp11.c (pdp11_rtx_costs): Update.
1253         * config/avr/avr.c (avr_rtx_costs, avr_address_cost): Update.
1254         * config/crx/crx.c (crx_address_cost): Update.
1255         * config/xtensa/xtensa.c (xtensa_rtx_costs): Update.
1256         * config/stormy16/stormy16.c
1257         (xstormy16_address_cost, xstormy16_rtx_costs): Update.
1258         * config/m68hc11/m68hc11.c
1259         (m68hc11_address_cost, m68hc11_rtx_costs): Update.
1260         * config/cris/cris.c (cris_rtx_costs, cris_address_cost): Update.
1261         * config/iq2000/iq2000.c (iq2000_rtx_costs, iq2000_address_cost): Update.
1262         * config/mn10300/mn10300.c (mn10300_address_cost, mn10300_rtx_costs): Update
1263         * config/ia64/ia64.c (ia64_rtx_costs): Update.
1264         * config/m68k/m68k.c (m68k_rtx_costs): Update.
1265         * config/rs6000/rs6000.c (rs6000_rtx_costs): Update.
1266         * config/arc/arc.c (arc_rtx_costs, arc_address_cost): Update.
1267         * config/mcore/mcore.c (TARGET_ADDRESS_COST): Update.
1268         (mcore_rtx_costs): update.
1269         * config/score/score3.c (score3_rtx_costs): Update.
1270         * config/score/score7.c (score7_rtx_costs): Update.
1271         * config/score/score3.h (score3_rtx_costs):Update.
1272         * config/score/score7.h (score7_rtx_costs): Update.
1273         * config/score/score.c (score_rtx_costs): Update.
1274         * config/arm/arm.c (arm_address_cost): Update.
1275         (arm_rtx_costs_1): Update.
1276         (arm_rtx_costs_1): Update.
1277         (arm_size_rtx_costs): Update.
1278         (arm_size_rtx_costs): Update.
1279         (arm_size_rtx_costs): Update.
1280         (arm_xscale_rtx_costs): Update.
1281         (arm_thumb_address_cost): Update.
1282         * config/pa/pa.c (hppa_address_cost): Update.
1283         * config/mips/mips.c (mips_rtx_costs): Update.
1284         * config/vax/vax.c (vax_address_cost): Update.
1285         * config/h8300/h8300.c (h8300_shift_costs): Update.
1286         (h8300_rtx_costs): Update.
1287         * config/v850/v850.c (TARGET_ADDRESS_COST): Update.
1288         (v850_rtx_costs): Update.
1289         * config/mmix/mmix.c (mmix_rtx_costs, mmix_rtx_costs): Update.
1290         * config/bfin/bfin.c
1291         (bfin_address_cost): Update.
1292         (bfin_rtx_costs): Update.
1293         * stmt.c (lshift_cheap_p): Update.
1295 2008-08-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1297         PR middle-end/36444
1298         * expmed.c (extract_bit_field_1): Check the mode size to make
1299         sure the vector modes have the same size.
1301 2008-08-29  Michael Meissner  <gnu@the-meissners.org>
1303         * dojump.c (top level): Include basic-block.h to declare
1304         optimize_insn_for_speed_p
1306         * Makefile.in (dodump.h): Add $(BASIC_BLOCK_H) dependency.
1308         * opts.h (CL_SAVE): New option class for marking options that are
1309         target specific options usable in the target attribute.
1310         (CL_MIN_OPTION_CLASS): CL_SAVE is now the minimum option.
1312         * opt-functions.awk (switch_flags): Add CL_SAVE flag so backends
1313         can easily find the target specific options that are safe to use
1314         in the attribute or pragma.
1316         * attribs.c (decl_attributes): Change #pragma GCC option to
1317         #pragma GCC target, and attribute((option(...))) to
1318         attribute((target(...))).
1320         * doc/extend.texi (target attribute): Change from option
1321         attribute.  Delete push/pop/reset.
1322         (#pragma GCC target): Change from #pragma GCC option.  Delete
1323         push/pop/reset.
1324         (#pragma GCC push_options): Document new pragma.
1325         (#pragma GCC pop_options): Document new pragma.
1326         (#pragma GCC reset_options): Document new pragma.
1328         * targhooks.c (default_target_option_valid_attribute_p): Add
1329         warning about port not supporting target attributes.
1330         (default_target_option_pragma_parse): New function, warn about
1331         #pragma GCC target not being supported.
1333         * targhooks.h (default_target_option_pragma_parse): Add
1334         declaration.
1336         * tree.h (TI_CURRENT_TARGET_PRAGMA): Rename from
1337         TI_CURRENT_OPTION_PRAGMA.
1338         (current_target_pragma): Rename from current_option_pragma.
1340         * target.h: (struct target_option): Delete booleans for changing
1341         the optimization level on hot/cold functions.  Change signature of
1342         pragma_parse hook to take a second tree.
1344         * c-tree.h (c_builtin_function_ext_scope): Add declaration.
1346         * c-decl.c (c_builtin_function_ext_scope): New function, guarantee
1347         that the declaration is done at global scope.
1349         * langhooks.c (add_builtin_function_common): Move most of the code
1350         from add_builtin_function here, calling the hook passed in.
1351         (add_builtin_function): Call add_builtin_function_common with
1352         standard builtin hook.
1353         (add_builtin_function_ext_scope): New function to add builtins to
1354         global scope.
1356         * langhooks.h (struct lang_hooks): Add builtin_function_ext_scope
1357         hook.
1358         (add_builtin_function_ext_scope): Add declaration.
1360         * c-pragma.c (handle_pragma_target): Rename from
1361         handle_pragma_option, #pragma GCC option is now #pragma GCC
1362         target.  Move warning about port not supporting target options to
1363         default pragma parse hook.  Remove push/pop/reset from this
1364         pragma.
1365         (handle_pragma_optimize): Remove push/pop/reset from this pragma.
1366         (option_stack): Delete static variable.
1367         (optimize_stack): Ditto.
1368         (optons_stack): New stack of saved target and optimization
1369         options.
1370         (handle_pragma_push_options): New function to handle pushing both
1371         target and optimization options.
1372         (handle_pragma_pop_options): New function to handle popping both
1373         target and optimization options.
1374         (handle_pragma_reset_options): New function to handle resetting
1375         both target and optimization options to their initial state.
1376         (init_pragma): Rename handle_pragma_option to
1377         handle_pragma_target.  Add support for push_options, pop_options,
1378         and reset_options pragmas.
1380         * target-def.h (TARGET_OPTION_PRAGMA_PARSE): Change default to
1381         default_target_option_pragma_parse.
1382         (TARGET_OPTION_VALID_ATTRIBUTE_P): Change default to
1383         default_target_option_valid_attribute_p.
1384         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1385         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1386         (TARGET_OPTION_HOOKS): Delete the fields for whether to change
1387         optimization level on hot/cold functions.
1389         * tree-inline.c (tree_can_inline_p): Disable suppressing inlining
1390         if the caller and callee have different optimization levels.
1392         * c-common.c (handle_target_attribute): Rename from
1393         handle_option_attribute, attribute((option(...))) is now
1394         attribute((target(...))).  Move warning if the port does not
1395         support target attributes to the default hook.
1396         (handle_hot_attribute): Delete code to change the optimization
1397         level of hot functions.
1398         (handle_cold_attribute): Ditto.
1400         * config/i386/i386-c.c (ix86_pragma_target_parse): Take a second
1401         argument that is the binary tree options to use if there are no
1402         arguments.  Call ix86_valid_target_attribute_tree instead of
1403         ix86_valid_option_attribute_tree.
1404         (ix86_pragma_target_parse): Rename from ix86_pragma_option_parse.
1405         (ix86_register_pragmas): Use ix86_pragma_target_parse instead of
1406         ix86_pragma_option_parse.
1408         * config/i386/i386-protos.h (ix86_valid_target_attribute_tree):
1409         Rename from ix86_valid_option_attribute_tree.
1411         * config/i386/i386.c (ix86_add_new_builtins): New function to add
1412         new builtins when the ISA changes.
1413         (ix86_valid_target_attribute_tree): Rename from
1414         ix86_valid_option_attribute_tree.  Change callers.  If the
1415         function specified optimization options, use those as the starting
1416         point before setting up the target attributes.  If the
1417         optimization options were changed in the course of setting the
1418         target attributes, record the new optimization options.
1419         (ix86_valid_target_attribute_tree_inner_p): Rename from
1420         ix86_valid_option_attribute_tree_inner_p.  Change callers.  Call
1421         ix86_add_new_builtins if the ISA changed.
1422         (ix86_valid_target_attribute_p): Rename from
1423         ix86_valid_option_attribute_p.  Change callers.
1424         (enum ix86_builtins): Add IX86_BUILTIN_PCMOV to allow both
1425         __builtin_ia32_pcmov and __builtin_ia32_pcmov_v2di to be declared
1426         as delayed builtin functions.
1427         (struct builtin_isa): New structure to record builtin functions
1428         that should be delayed until the ISA for that function is used.
1429         (ix86_builtins_isa): Change from int to struct to track builtin
1430         functions we want to declare at some point.
1431         (def_builtin): If the front end can delay defining the builtin
1432         functions, don't create builtins for ISAs not part of the default
1433         options.
1434         (def_builtin_const): Ditto.
1435         (bdesc_multi_arg): Declare __builtin_ia32_pcmov and
1436         __builtin_ia32_pcmov_v2di to be different builtin functions.
1437         (ix86_expand_builtin): Changes due to ix86_builtins_isa now being
1438         a structure instead of an int.
1439         (TARGET_OPTION_VALID_ATTRIBUTE_P): Use
1440         ix86_valid_target_attribute_p, not ix86_valid_option_attribute_p.
1441         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1442         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1444         * config/ia64/ia64.h
1445         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Delete.
1446         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Ditto.
1448         * langhooks-def.h (LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE): New
1449         hook, default to being the same as LANG_HOOKS_BUILTIN_FUNCTION.
1450         (LANG_HOOKS_INITIALIZER): Add
1451         LANG_HOOKS_BUILTIN_FUNCTION_EXT_SCOPE hook.
1453 2008-08-30  Kaz Kojima  <kkojima@gcc.gnu.org>
1455         PR target/37270
1456         * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Generate
1457         the reload address with the index register for SFmode
1458         access with a displacement.
1460 2008-08-30  Jan Hubicka  <jh@suse.cz>
1462         * optabs.c (expand_abs_nojump): Update BRANCH_COST call.
1463         * fold-cost.c (LOGICAL_OP_NON_SHORT_CIRCUIT, fold_truthop): Likewise.
1464         * dojump.c (do_jump): Likewise.
1465         * ifcvt.c (MAX_CONDITIONAL_EXECUTE): Likewise.
1466         (note-if_info): Add BRANCH_COST.
1467         (noce_try_store_flag_constants, noce_try_addcc, noce_try_store_flag_mask,
1468         noce_try_cmove_arith, noce_try_cmove_arith, noce_try_cmove_arith,
1469         noce_find_if_block, find_if_case_1, find_if_case_2): Use compuated
1470         branch cost.
1471         * expr.h (BRANCH_COST): Update default.
1472         * predict.c (predictable_edge_p): New function.
1473         * expmed.c (expand_smod_pow2, expand_sdiv_pow2, emit_store_flag):
1474         Update BRANCH_COST call.
1475         * basic-block.h (predictable_edge_p): Declare.
1476         * config/alpha/alpha.h (BRANCH_COST): Update.
1477         * config/frv/frv.h (BRANCH_COST): Update.
1478         * config/s390/s390.h (BRANCH_COST): Update.
1479         * config/spu/spu.h (BRANCH_COST): Update.
1480         * config/sparc/sparc.h (BRANCH_COST): Update.
1481         * config/m32r/m32r.h (BRANCH_COST): Update.
1482         * config/i386/i386.h (BRANCH_COST): Update.
1483         * config/i386/i386.c (ix86_expand_int_movcc): Update use of BRANCH_COST.
1484         * config/sh/sh.h (BRANCH_COST): Update.
1485         * config/pdp11/pdp11.h (BRANCH_COST): Update.
1486         * config/avr/avr.h (BRANCH_COST): Update.
1487         * config/crx/crx.h (BRANCH_COST): Update.
1488         * config/xtensa/xtensa.h (BRANCH_COST): Update.
1489         * config/stormy16/stormy16.h (BRANCH_COST): Update.
1490         * config/m68hc11/m68hc11.h (BRANCH_COST): Update.
1491         * config/iq2000/iq2000.h (BRANCH_COST): Update.
1492         * config/ia64/ia64.h (BRANCH_COST): Update.
1493         * config/rs6000/rs6000.h (BRANCH_COST): Update.
1494         * config/arc/arc.h (BRANCH_COST): Update.
1495         * config/score/score.h (BRANCH_COST): Update.
1496         * config/arm/arm.h (BRANCH_COST): Update.
1497         * config/pa/pa.h (BRANCH_COST): Update.
1498         * config/mips/mips.h (BRANCH_COST): Update.
1499         * config/vax/vax.h (BRANCH_COST): Update.
1500         * config/h8300/h8300.h (BRANCH_COST): Update.
1501         * params.def (PARAM_PREDICTABLE_BRANCH_OUTCOME): New.
1502         * doc/invoke.texi (predictable-branch-cost-outcome): Document.
1503         * doc/tm.texi (BRANCH_COST): Update.
1505 2008-08-30  Samuel Tardieu  <sam@rfc1149.net>
1507         PR target/37283
1508         * config/arm/arm.c (arm_optimization_options): Set
1509         flag_section_anchors to 2 instead of 1 to distinguish it from
1510         -fsection-anchors given explicitely on the command line.
1512 2008-08-30  Richard Sandiford  <rdsandiford@googlemail.com>
1514         * recog.c (split_insn): Consider attaching a REG_EQUAL note to the
1515         final insn of a split.
1517 2008-08-30  Jan Hubicka  <jh@suse.cz>
1519         * postreload-gcse.c (gate_handle_gcse2): Disable for functions
1520         optimized for speed.
1521         * final.c (compute_alignments): Use optimize_bb_for_size_p.
1522         * tree-call-cdce.c (gate_call_cdce): Use optimize_function_for_speed_p.
1523         * opts.c (flag_predictive_commoning_set, flag_unswitch_loops_set,
1524         flag_gcse_after_reload_set): New static vars.
1525         (common_handle_option): Enable those flags for profile-use.
1526         (decode_options): Remove optimize_size flags that are handled
1527         on higher granuality.
1528         * tree-vectorizer.c (vectorize_loops): Use
1529         optimize_loop_nest_for_speed_p.
1530         * tree-ssa-pre.c (do_pre): Use optimize_function_for_speed_p.
1531         * tree-predcom.c (tree_predictive_commoning): Use
1532         optimize_loop_for_speed_p.
1533         * varasm.c (assemble_start_function): Use optimize_function_for_speed_p.
1534         * bb-reorder.c (rest_of_handle_reorder_blocks): Likewise.
1535         * predict.c (optimize_loop_for_speed_p): Fix walk.
1537 2008-08-30  Jan Hubicka  <jh@suse.cz>
1539         * ipa-inline.c (cgraph_estimate_growth): Discover self recursive
1540         functions.
1541         (cgraph_decide_inlining_of_small_function): Use edge->count to detect
1542         profile presence locally.
1544 2008-08-29  Joseph Myers  <joseph@codesourcery.com>
1546         PR bootstrap/37086
1547         * tree-vrp.c (find_switch_asserts): Make idx volatile for GCC
1548         versions before 4.0.
1550 2008-08-29  Jan Hubicka  <jh@suse.cz>
1552         * tree-inline.c (insert_init_stmt): Insert sequence even when
1553         not in SSA form.
1555 2008-08-29  Jeff Law  <law@redhat.com>
1557         * mn10300.c (mn10300_secondary_reload_class): We need secondary
1558         reloads for AM33-2 if IN is a pseudo with an equivalent memory
1559         location and class is an FP register.
1561 2008-08-29  Jan Hubicka  <jh@suse.cz>
1563         * see.c (see_merge_one_def_extension): Silence used uninitialized
1564         warning.
1565         * matrix-reorg.c (check_allocation_function): Likewise.
1566         * config/i386/driver-i386.c (detect_caches_amd): Likewise.
1568 2008-08-29  Jakub Jelinek  <jakub@redhat.com>
1570         PR c/37261
1571         * fold-const.c (fold_binary): In (X | C1) & C2 canonicalization
1572         compute new & and | in type rather than TREE_TYPE (arg0).
1574         * dwarf2out.c (fortran_common): Update comment.
1575         (gen_variable_die): Swap com_die and var_die variables in Fortran
1576         COMMON block handling code.
1578         * dwarf2out.c (descr_info_loc): Handle VAR_DECL.
1580         * dwarf2out.c (gen_const_die): New function.
1581         (size_of_die, value_format, output_die): Output larger
1582         dw_val_class_vec using DW_FORM_block2 or DW_FORM_block4.
1583         (native_encode_initializer): New function.
1584         (tree_add_const_value_attribute): Call it.
1585         (gen_decl_die, dwarf2out_decl): Handle CONST_DECLs if is_fortran ().
1587         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die): For
1588         DECL_BY_REFERENCE decls don't pass TREE_READONLY and
1589         TREE_THIS_VOLATILE to add_type_attribute.
1591         * dwarf2out.c (add_subscript_info): Stop on Fortran TYPE_STRING_FLAG
1592         types.
1593         (gen_array_type_die): Emit DW_TAG_string_type for Fortran character
1594         types.
1596         * dwarf2out.c (loc_by_reference): New function.
1597         (add_location_or_const_value_attribute): Use it.
1599         PR fortran/23057
1600         * dwarf2out.c (gen_variable_die): Represent Fortran COMMON vars
1601         as DW_TAG_variable children of DW_TAG_common_block rather than
1602         DW_TAG_member children.  Put DW_AT_external to individual
1603         DW_TAG_variable DIEs, not to DW_TAG_common_block.
1605         * dwarf2out.c (add_bound_info): If lookup_decl_die failed, try
1606         loc_descriptor_from_tree_1.
1608         PR fortran/29635
1609         PR fortran/23057
1610         * debug.h (struct gcc_debug_hooks): Add NAME and CHILD
1611         arguments to imported_module_or_decl.
1612         (debug_nothing_tree_tree): Removed.
1613         (debug_nothing_tree_tree_tree_bool): New prototype.
1614         * debug.c (do_nothing_debug_hooks): Adjust.
1615         (debug_nothing_tree_tree): Removed.
1616         (debug_nothing_tree_tree_tree_bool): New function.
1617         * dwarf2out.c (is_symbol_die): Handle DW_TAG_module.
1618         (gen_variable_die): Put all common vars for the
1619         same COMMON block under one DW_TAG_common_block.
1620         (declare_in_namespace): Return new context_die, for Fortran
1621         return the module DIE instead of adding extra declarations into
1622         the namespace.
1623         (gen_type_die_with_usage): Adjust declare_in_namespace caller.
1624         (gen_namespace_die): If is_fortran (), generate DW_TAG_module
1625         instead of DW_TAG_namespace.  If DECL_EXTERNAL is set, add
1626         DW_AT_declaration.
1627         (dwarf2out_global_decl): Don't skip Fortran global vars.
1628         (gen_decl_die): Likewise.  Adjust declare_in_namespace callers.
1629         (dwarf2out_imported_module_or_decl): Add NAME and CHILD arguments.
1630         If NAME is non-NULL, add DW_AT_name.  If CHILD is non-NULL, put
1631         DW_TAG_imported_declaration as child of previous
1632         DW_TAG_imported_module.
1633         * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Adjust.
1634         * sdbout.c (sdb_debug_hooks): Likewise.
1635         * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
1637 2008-08-29  Jan Hubicka  <jh@suse.cz>
1639         * cgraph.c (cgraph_remove_node): Do not remove nested nodes.
1641         * cgraph.h (cgraph_maybe_hot_edge_p): Declare.
1642         * ipa-cp.c (n_cloning_candidates): New static variable.
1643         (ipcp_print_profile_data, ipcp_function_scale_print): Forward declare.
1644         (ipcp_print_all_lattices): Improve debug output.
1645         (ipcp_cloning_candidate_p): New function.
1646         (ipcp_initialize_node_lattices): Use it.
1647         (ipcp_init_stage): Do only analyzis here; prettier debug output.
1648         (ipcp_propagate_stage): Prettier debug output.
1649         (ipcp_iterate_stage): Initialize latices here; prettier debug output.
1650         (ipcp_print_all_structures): Remove.
1651         (ipcp_need_redirect_p): Test !n_cloning_candidates.
1652         (ipcp_insert_stage): Prettier debug output; call
1653         cgraph_remove_unreachable_nodes before propagating.
1654         (pass_ipa_cp): Schedule function removal pass.
1655         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Better
1656         debug output.
1657         (cgraph_maybe_hot_edge_p): Move to ...
1658         * predict.c (cgraph_maybe_hot_edge_p) ... here.
1659         * opts.c (flag_ipa_cp_set, flag_ipa_cp_clone_set): New.
1660         (common_handle_option): Set them; enable ipa-cp when profiling.
1661         * ipa-prop.c (ipa_print_node_jump_functions): Prettier output.
1662         (ipa_print_all_jump_functions): Likewise.
1663         (ipa_print_all_tree_maps, ipa_print_node_param_flags): Remove.
1664         (ipa_print_node_params, ipa_print_all_params): New.
1665         * ipa-prop.h (ipa_print_all_tree_maps, ipa_print_node_param_flags,
1666         ipa_print_all_param_flags): Remove.
1667         (ipa_print_node_params, ipa_print_all_params): New.
1669 2008-08-29  Bob Wilson  <bob.wilson@acm.org>
1671         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Revert
1672         change from 2008-04-03.
1673         * config/xtensa/xtensa.h (IRA_COVER_CLASSES): Define.
1675 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
1677         PR rtl-opt/37251
1679         * ira-color.c (push_allocnos_to_stack): Truncate
1680         removed_splay_allocno_vec.
1682 2008-08-29  Vladimir Makarov  <vmakarov@redhat.com>
1684         PR rtl-opt/37243
1685         * ira-color (ira_fast_allocation): Don't assign hard registers to
1686         global allocnos.
1688 2008-08-29  Jan Hubicka  <jh@suse.cz>
1690         PR middle-end/37278
1691         * predict.c (optimize_loop_nest_for_speed_p): Do not ICE
1692         for cold internal loops.
1694 2008-08-29  Richard Guenther  <rguenther@suse.de>
1696         * tree-ssa-structalias.c (create_variable_info_for): Do not
1697         create fields for heap vars or vars with a noalias state.
1698         For NO_ALIAS_ANYTHING variables add a self-constraint, not one
1699         from ESCAPED.
1701 2008-08-29  Richard Guenther  <rguenther@suse.de>
1703         * common.opt (ftree-store-ccp): Mark as preserved for
1704         backward compatibility.
1705         * doc/invoke.texi (-ftree-store-ccp): Remove documentation.
1706         * tree-pass.h (pass_store_ccp): Remove.
1707         * tree-ssa-propagate.h (struct prop_value_d): Remove mem_ref field.
1708         (first_vdef): Remove declaration.
1709         (get_value_loaded_by): Likewise.
1710         * tree-ssa-ccp.c (do_store_ccp): Remove.
1711         (get_default_value): Simplify as do_store_ccp is always false
1712         now.  Do not initialize mem_ref.
1713         (set_value_varying): Likewise.
1714         (canonicalize_float_value): Likewise.
1715         (set_lattice_value): Likewise.
1716         (likely_value): Likewise.
1717         (surely_varying_stmt_p): Likewise.
1718         (ccp_initialize): Likewise.
1719         (ccp_lattice_meet): Likewise.
1720         (ccp_visit_phi_node): Likewise.
1721         (ccp_fold): Likewise.
1722         (evaluate_stmt): Likewise.
1723         (visit_assignment): Likewise.
1724         (ccp_visit_stmt): Likewise.
1725         (execute_ssa_ccp): Fold into ...
1726         (do_ssa_ccp): ... this.
1727         (do_ssa_store_ccp): Remove.
1728         (gate_store_ccp): Likewise.
1729         (pass_store_ccp): Likewise.
1730         * tree-ssa-copy.c (copy_prop_visit_phi_node): Do not
1731         initialize mem_ref.
1732         * tree-ssa-propagate.c (first_vdef): Remove.
1733         (get_value_loaded_by): Likewise.
1734         (replace_vuses_in): Likewise.
1735         (substitute_and_fold): Do not call replace_vuses_in.
1736         * opts.c (decode_options): Do not set flag_tree_store_ccp.
1738 2008-08-29  Richard Guenther  <rguenther@suse.de>
1740         PR middle-end/37236
1741         * tree-ssa-structalias.c (intra_create_variable_infos): Mark
1742         PARAM_NOALIAS tags with is_heapvar.
1743         * tree-ssa-operands.c (access_can_touch_variable): Offset
1744         based tests do not apply for heapvars.  Fix offset test.
1746 2008-08-29  Jan Hubicka  <jh@suse.cz>
1748         * doc/invoke.texi (-fipa-cp): Enabled by default at -O2/-Os/-O3
1749         (-fipa-cp-clone): Enabled by default at -O3.
1750         * opts.c (decode_options): Enable ipa-cp at -O2, ipa-cp-clone at -O3;
1751         make ipa-cp-clone to imply ipa-cp; disable cloning at -Os.
1753 2008-08-29  Jan Hubicka  <jh@suse.cz>
1755         * tree.c (build_function_type_skip_args, build_function_decl_skip_args):
1756         New functions.
1757         * tree.h (build_function_type_skip_args, build_function_decl_skip_args):
1758         Declare.
1759         * gimple.c (giple_copy_call_skip_args): New function.
1760         (giple_copy_call_skip_args): Declare.
1762         * cgraph.h (cgraph_function_versioning): Add skip_args arugmnet
1763         * ipa-cp.c (ipcp_node_not_modifiable_p): Rename to ...
1764         (ipcp_node_modifiable_p): ... this one; use tree_versionable_function_p.
1765         (ipcp_create_replace_map): Improve debug output.
1766         (ipcp_need_redirect_p): Return false when not clonning.
1767         (ipcp_update_callgraph): Skip args.
1768         (ipcp_insert_stage): UPdate call of !ipcp_node_modifiable_p;
1769         skip args.
1770         * cgraphunit.c (cgraph_function_versioning): Add skip_args argument.
1771         (save_inline_function_body): Update call of tree_function_versioning.
1772         * ipa-prop.c (ipa_edge_removal_hook): Do not ICE on unanalyzed nodes.
1773         * tree-inline.c (copy_arguments_for_versioning): Add skip_args argument.
1774         (tree_function_versioning): Likewise.
1775         * tree-inline.h (tree_function_versioning): Update prototype.
1777 2008-08-29  Jan Hubicka  <jh@suse.cz>
1779         * loop-unswitch.c (unswitch_single_loop): Use optimize_loop_for_speed_p.
1780         * tree-ssa-threadupdate.c (mark_threaded_blocks): Use optimize_function_for_size_p.
1781         * tracer.c (ignore_bb_p): Use optimize_bb_for_size_p.
1782         * postreload-gcse.c (eliminate_partially_redundant_load): Use optimize_bb_for_size_p.
1783         * value-prof.c (gimple_divmod_fixed_value_transform,
1784         gimple_mod_pow2_value_transform, gimple_mod_subtract_transform,
1785         gimple_stringops_transform): Use optimize_bb_for_size_p.
1786         * ipa-cp.c (ipcp_insert_stage): Use optimize_function_for_size_p.
1787         * final.c (compute_alignments): Use optimize_function_for_size_p.
1788         * builtins.c (fold_builtin_cabs): Use optimize_function_for_speed_p.
1789         (fold_builtin_strcpy, fold_builtin_fputs): Use
1790         optimize_function_for_size_p.
1791         * fold-const.c (tree_swap_operands_p): Use optimize_function_for_size_p.
1792         * recog.c (relax_delay_slots): Likewise.
1793         * tree-ssa-math-opts.c (replace_reciprocal): Use optimize_bb_for_speed_p.
1794         (execute_cse_reciprocals): Use optimize_bb_for_size_p.
1795         * ipa-inline.c (cgraph_decide_recursive_inlining): Use
1796         optimize_function_for_size_p.
1797         (cgraph_decide_inlining_of_small_function): Use
1798         optimize_function_for_size_p.
1799         * global.c (find_reg): Use optimize_function_for_size_p.
1800         * opts.c (decode_options): Do not clear flag_tree_ch, flag_inline_functions,
1801         flag_unswitch_loops, flag_unroll_loops, flag_unroll_all_loops and
1802         flag_prefetch_loop_arrays. Those can work it out from profile.
1803         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Use
1804         optimize_loop_for_speed_p.
1805         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p): Constify
1806         argument.
1807         (optimize_loop_nest_for_size_p, optimize_loop_nest_for_speed_p): New.
1808         * tree-parloops.c (parallelize_loops): Use optimize_loop_for_size_p.
1809         * tree-eh.c (decide_copy_try_finally): Use optimize_function_for_size_p.
1810         * local-alloc.c (block_alloc): Pass BB pointer.
1811         (find_free_reg): Add BB pointer, use optimize_bb_for_size_p.
1812         * gcse.c (gcse_main): Use optimize_function_for_size_p.
1813         * loop-unroll.c (decide_unrolling_and_peeling): Use optimize_loop_for_size_p.
1814         (decide_peel_completely): Likewise.
1815         * tree-vect-analyze.c (vect_mark_for_runtime_alias_test): Use
1816         optimize_loop_for_size_p.
1817         (vect_enhance_data_refs_alignment): Likewise.
1818         * tree-ssa-coalesce.c (coalesce_cost): Add optimize_for_size argument.
1819         (coalesce_cost_bb, coalesce_cost_edge, create_outofssa_var_map): Update call.
1820         * cfgcleanup.c (outgoing_edges_match): Use optimize_bb_for_speed_p.
1821         (try_crossjump_bb): Use optimize_bb_for_size_p.
1822         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Use
1823         optimize_loop_for_speed_p.
1824         * bb-reorder.c (find_traces_1_round): Likewise.
1825         (copy_bb): Use optimize_bb_for_speed_p.
1826         (duplicate_computed_gotos): Likewise.
1827         * basic-block.h (optimize_loop_nest_for_size_p,
1828         optimize_loop_nest_for_speed_p): New.
1829         * stmt.c (expand_case): Use optimize_insn_for_size_p.
1831 2008-08-29  Tristan Gingold  <gingold@adacore.com>
1833         * gcov.c (main): Call expandargv.
1835 2008-08-29  Jan Hubicka  <jh@suse.cz>
1837         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p): Check that loop
1838         is not cold.
1839         * predict.c (optimize_bb_for_size_p, optimize_bb_for_speed_p):
1840         Constify arguments.
1841         (optimize_loop_for_size_p, optimize_loop_for_speed_p): New functions.
1842         * basic-block.h (optimize_bb_for_size_p, optimize_bb_for_speed_p):
1843         Constify.
1844         (optimize_loop_for_size_p, optimize_loop_for_speed_p): Declare.
1846 2008-08-29  Jan Hubicka  <jh@suse.cz>
1848         * tree-pass.h (pass_strip_predict_hints): Declare.
1849         * predict.c (strip_builtin_expect): Rename to ...
1850         (strip_predict_hints): ... this one; strip also GIMPLE_PREDICT.
1851         (tree_bb_level_predictions): Do not remove GIMPLE_PREDICT.
1852         (tree_estimate_probability): Do not strip builtin_expect.
1853         (pass_strip_predict_hints): New pass.
1854         * tree-inline.c (expand_call_inline): When inlining cold function, predict
1855         it as unlikely.
1856         * passes.c (init_optimization_passes): Add pass_strip_predict_hints.
1858 2008-08-29  Richard Guenther  <rguenther@suse.de>
1860         PR tree-optimization/37207
1861         * tree-vrp.c (extract_range_from_binary_expr): Also try
1862         to constant fold if only one of the operands is a constant.
1864 2008-08-29  Nick Clifton  <nickc@redhat.com>
1866         * config/m32r/m32r.h (LEGITIMATE_CONSTANT_P): Treat LABEL_REFs in
1867         the same way as SYMBOL_REFs.
1869 2008-08-28  Bob Wilson  <bob.wilson@acm.org>
1871         * config/xtensa/xtensa.md (<u>mulsidi3): Use a temporary register.
1873 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
1875         * config/mips/mips.h (ISA_HAS_BBIT): New macro.
1876         * config/mips/mips.md (branch_likely): Remove const.  Fix
1877         comment formatting.
1878         (define_delay for type "branch"): Change to only apply for branch
1879         with likely variant.
1880         (define_delay for type "branch" and "branch_likely" no).  New delay
1881         definition.
1882         (equality_op): New code iterator.
1883         (bbv, bbinv): New code attributes.
1884         (*branch_bit<bbv><mode>, *branch_bit<bbv><mode>_inverted): New
1885         patterns.
1887 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1888             Andrew Pinski  <pinskia@gcc.gnu.org>
1890         PR 18050
1891         * c-common.c (verify_tree): Fix handling of ADDR_EXPR.
1893 2008-08-28  Paolo Carlini  <paolo.carlini@oracle.com>
1895         * gtrh-posix.h: Fix uses of _POSIX_TIMEOUTS per the normal Posix
1896         rule that a symbolic constant must be defined and >= 0 for the
1897         corresponding facility to be present at compile-time.
1898         * gthr-posix.c: Likewise.
1900 2008-08-28  Adam Nemet  <anemet@caviumnetworks.com>
1902         * config/mips/mips.h (ISA_HAS_DMUL3): New macro.
1903         * config/mips/mips.md (D): New mode attribute.
1904         (mulsi3, muldi3): Merge it into ...
1905         (mul<mode>3): ... new template.  Use _mul3 ending for 3-op
1906         patterns.
1907         (muldi3_mul3): New pattern.
1908         (mulsi3_mult3): Rename to mulsi3_mul3.
1910 2008-08-28  Jan Hubicka  <jh@suse.cz>
1912         * expmed.c (store_bit_field_1): Be prepared for movstrict expander
1913         to fail.
1914         * predict.c (always_optimize_for_size_p): Rename to ...
1915         (optimize_function_for_size): ... this one; make extern.
1916         (optimize_function_for_speed_p): New.
1917         (optimize_bb_for_size_p, optimize_bb_for_size_p,
1918         optimize_edge_for_size_p,optimize_edge_for_size_p,
1919         optimize_insn_for_size_p, optimize_insn_for_size_p): Update.
1920         * basic-block.h (optimize_function_for_size_p,
1921         optimize_function_for_speed_p): Declare.
1922         * i386.md (optimize_size checks): Replace them by appropriate
1923         predicate.
1924         (standard_80387_constant_p, ix86_compute_frame_layout,
1925         ix86_expand_epilogue, ix86_decompose_address,
1926         print_operand, emit_i387_cw_initialization,
1927         inline_memory_move_cost, ix86_pad_returns,
1928         ix86_reorg): Replace optimize_size checks.
1930 2008-08-28  Richard Sandiford  <rdsandiford@googlemail.com>
1932         * rtl.h (simplify_subreg_regno): Declare.
1933         * rtlanal.c (simplify_subreg_regno): New function, split out from...
1934         * simplify-rtx.c (simplify_subreg): ...here.
1935         * reload.c (find_reloads): Use simplify_subreg_regno instead of
1936         subreg_offset_representable_p.
1938 2008-08-28  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1940         PR c/30949
1941         * c-typeck.c (convert_for_assignment): Give a note describing what
1942         was passed and what was expected.
1944 2008-08-28  Joey Ye  <joey.ye@intel.com>
1946         * doc/extend.texi: Document AVX built-in functions.
1947         * doc/invoke.texi: Document -mavx.
1949 2008-08-28  H.J. Lu  <hongjiu.lu@intel.com>
1950             Joey Ye  <joey.ye@intel.com>
1951             Xuepeng Guo  <xuepeng.guo@intel.com>
1953         * config.gcc (extra_headers): Add gmmintrin.h for x86 and x86-64.
1955         * config/i386/cpuid.h (bit_FMA): New.
1956         (bit_XSAVE): Likewise.
1957         (bit_OSXSAVE): Likewise.
1958         (bit_AVX): Likewise.
1960         * config/i386/gas.h (ASM_OUTPUT_OPCODE): Undefine before
1961         define.  Use ASM_OUTPUT_AVX_PREFIX.
1963         * config/i386/gmmintrin.h: New.
1965         * config/i386/i386.c (x86_64_reg_class): Add X86_64_AVX_CLASS.
1966         (OPTION_MASK_ISA_AVX_SET): New.
1967         (OPTION_MASK_ISA_FMA_SET): Likewise.
1968         (OPTION_MASK_ISA_AVX_UNSET): Likewise.
1969         (OPTION_MASK_ISA_FMA_SET): Likewise.
1970         (OPTION_MASK_ISA_SSE4_2_UNSET): Updated.
1971         (ix86_handle_option): Handle OPT_mavx and OPT_mfma.
1972         (pta_flags): Add PTA_AVX and PTA_FMA.
1973         (override_options): Handle PTA_AVX and PTA_FMA.
1974         (init_cumulative_args): Handle warn_avx.
1975         (classify_argument): Return 0 for COImode and OImode.  Return
1976         1 and X86_64_AVX_CLASS for 256bit vector types.
1977         (examine_argument): Handle X86_64_AVX_CLASS.
1978         (construct_container): Likewise.
1979         (function_arg_advance_32): Pass OImode and 256bit vector types
1980         in AVX register.
1981         (function_arg_advance_64): Take a new argument to indicate if a
1982         parameter is named.  Handle 256bit vector types.  Return
1983         immediately for unnamed 256bit vector mode parameters.
1984         (function_arg_advance): Updated.
1985         (function_arg_32): Add comments for TImode.  Handle OImode
1986         and 256bit vector types.
1987         (function_arg_64): Take a new argument to indicate if a
1988         parameter is named.  Handle 256bit vector types.  Return NULL
1989         for unnamed 256bit vector mode parameters.
1990         (function_arg): Updated.
1991         (setup_incoming_varargs_64): Support
1992         AVX encoding for *sse_prologue_save_insn.
1993         (ix86_gimplify_va_arg): Handle 256bit vector mode parameters.
1994         (standard_sse_constant_p): Return -2 for all 1s if SSE2 isn't
1995         enabled.  For all 1s in 256bit vector modes, return 3 if AVX is
1996         enabled, otherwise return -3.
1997         (standard_sse_constant_opcode): Handle AVX and 256bit vector
1998         modes.
1999         (print_reg): Support AVX registers.  Handle 'x' and 't'.
2000         Handle 'd' to duplicate the operand.
2001         (print_operand): Likewise.  Also support AVX vector compare
2002         instructions.
2003         (output_387_binary_op): Support AVX.
2004         (output_fp_compare): Likewise.
2005         (ix86_expand_vector_move_misalign): Likewise.
2006         (ix86_attr_length_vex_default): New.
2007         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
2008         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
2009         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
2010         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
2011         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_BLENDPD256,
2012         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
2013         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DIVPD256,
2014         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_DPPS256,
2015         IX86_BUILTIN_HADDPD256, IX86_BUILTIN_HADDPS256,
2016         IX86_BUILTIN_HSUBPD256, IX86_BUILTIN_HSUBPS256,
2017         IX86_BUILTIN_MAXPD256, IX86_BUILTIN_MAXPS256,
2018         IX86_BUILTIN_MINPD256, IX86_BUILTIN_MINPS256,
2019         IX86_BUILTIN_MULPD256, IX86_BUILTIN_MULPS256,
2020         IX86_BUILTIN_ORPD256, IX86_BUILTIN_ORPS256,
2021         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
2022         IX86_BUILTIN_SUBPD256, IX86_BUILTIN_SUBPS256,
2023         IX86_BUILTIN_XORPD256, IX86_BUILTIN_XORPS256,
2024         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
2025         IX86_BUILTIN_CMPPS, IX86_BUILTIN_CMPPD256,
2026         IX86_BUILTIN_CMPPS256, IX86_BUILTIN_CVTDQ2PD256,
2027         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
2028         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
2029         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
2030         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_EXTRACTF128PD256,
2031         IX86_BUILTIN_EXTRACTF128PS256, IX86_BUILTIN_EXTRACTF128SI256,
2032         IX86_BUILTIN_VZEROALL, IX86_BUILTIN_VZEROUPPER,
2033         IX86_BUILTIN_VZEROUPPER_REX64, IX86_BUILTIN_VPERMILVARPD,
2034         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
2035         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_VPERMILPD,
2036         IX86_BUILTIN_VPERMILPS, IX86_BUILTIN_VPERMILPD256,
2037         IX86_BUILTIN_VPERMILPS256, IX86_BUILTIN_VPERMIL2PD,
2038         IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256,
2039         IX86_BUILTIN_VPERMIL2PS256, IX86_BUILTIN_VPERM2F128PD256,
2040         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
2041         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
2042         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
2043         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_VINSERTF128PD256,
2044         IX86_BUILTIN_VINSERTF128PS256, IX86_BUILTIN_VINSERTF128SI256,
2045         IX86_BUILTIN_LOADUPD256, IX86_BUILTIN_LOADUPS256,
2046         IX86_BUILTIN_STOREUPD256, IX86_BUILTIN_STOREUPS256,
2047         IX86_BUILTIN_LDDQU256, IX86_BUILTIN_LOADDQU256,
2048         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_MASKLOADPD,
2049         IX86_BUILTIN_MASKLOADPS, IX86_BUILTIN_MASKSTOREPD,
2050         IX86_BUILTIN_MASKSTOREPS, IX86_BUILTIN_MASKLOADPD256,
2051         IX86_BUILTIN_MASKLOADPS256, IX86_BUILTIN_MASKSTOREPD256,
2052         IX86_BUILTIN_MASKSTOREPS256, IX86_BUILTIN_MOVSHDUP256,
2053         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
2054         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
2055         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
2056         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
2057         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
2058         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
2059         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
2060         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
2061         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
2062         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
2063         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
2064         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
2065         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
2066         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
2067         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
2068         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
2069         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
2070         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256
2071         and IX86_BUILTIN_MOVMSKPS256,
2072         (ix86_special_builtin_type): Add V32QI_FTYPE_PCCHAR,
2073         V8SF_FTYPE_PCV4SF, V8SF_FTYPE_PCFLOAT, V4DF_FTYPE_PCV2DF,
2074         V4DF_FTYPE_PCDOUBLE, V8SF_FTYPE_PCV8SF_V8SF,
2075         V4DF_FTYPE_PCV4DF_V4DF, V4SF_FTYPE_PCV4SF_V4SF,
2076         V2DF_FTYPE_PCV2DF_V2DF, VOID_FTYPE_PCHAR_V32QI,
2077         VOID_FTYPE_PFLOAT_V8SF, VOID_FTYPE_PDOUBLE_V4DF,
2078         VOID_FTYPE_PV8SF_V8SF_V8SF, VOID_FTYPE_PV4DF_V4DF_V4DF,
2079         VOID_FTYPE_PV4SF_V4SF_V4SF and VOID_FTYPE_PV2DF_V2DF_V2DF,
2080         (ix86_builtin_type): Add INT_FTYPE_V8SF_V8SF_PTEST,
2081         INT_FTYPE_V4DI_V4DI_PTEST, INT_FTYPE_V4DF_V4DF_PTEST,
2082         INT_FTYPE_V4SF_V4SF_PTEST, INT_FTYPE_V2DF_V2DF_PTEST,
2083         INT_FTYPE_V8SF, INT_FTYPE_V4DF, V8SI_FTYPE_V8SF, V8SI_FTYPE_V4SI,
2084         V8SF_FTYPE_V8SF, V8SF_FTYPE_V8SI, V8SF_FTYPE_V4SF,
2085         V4SI_FTYPE_V8SI, V4SI_FTYPE_V4DF, V4DF_FTYPE_V4DF,
2086         V4DF_FTYPE_V4SI, V4DF_FTYPE_V4SF, V4DF_FTYPE_V2DF,
2087         V4SF_FTYPE_V4DF, V4SF_FTYPE_V8SF, V2DF_FTYPE_V4DF,
2088         V8SF_FTYPE_V8SF_V8SF, V8SF_FTYPE_V8SF_V8SI,
2089         V4DF_FTYPE_V4DF_V4DF, V4DF_FTYPE_V4DF_V4DI,
2090         V4SF_FTYPE_V4SF_V4SI, V2DF_FTYPE_V2DF_V2DI,
2091         V8SF_FTYPE_V8SF_INT, V4SI_FTYPE_V8SI_INT, V4SF_FTYPE_V8SF_INT,
2092         V2DF_FTYPE_V4DF_INT, V4DF_FTYPE_V4DF_INT,
2093         V8SF_FTYPE_V8SF_V8SF_V8SF, V4DF_FTYPE_V4DF_V4DF_V4DF,
2094         V8SI_FTYPE_V8SI_V8SI_INT, V8SF_FTYPE_V8SF_V8SF_INT,
2095         V4DF_FTYPE_V4DF_V4DF_INT, V4DF_FTYPE_V4DF_V2DF_INT,
2096         V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT,
2097         V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2098         (bdesc_special_args): Add IX86_BUILTIN_VZEROALL,
2099         IX86_BUILTIN_VZEROUPPER. IX86_BUILTIN_VZEROUPPER_REX64,
2100         IX86_BUILTIN_VBROADCASTSS, IX86_BUILTIN_VBROADCASTSD256,
2101         IX86_BUILTIN_VBROADCASTSS256, IX86_BUILTIN_VBROADCASTPD256,
2102         IX86_BUILTIN_VBROADCASTPS256, IX86_BUILTIN_LOADUPD256,
2103         IX86_BUILTIN_LOADUPS256, IX86_BUILTIN_STOREUPD256,
2104         IX86_BUILTIN_STOREUPS256, IX86_BUILTIN_LOADDQU256,
2105         IX86_BUILTIN_STOREDQU256, IX86_BUILTIN_LDDQU256,
2106         IX86_BUILTIN_MASKLOADPD, IX86_BUILTIN_MASKLOADPS,
2107         IX86_BUILTIN_MASKLOADPD256, IX86_BUILTIN_MASKLOADPS256,
2108         IX86_BUILTIN_MASKSTOREPD, IX86_BUILTIN_MASKSTOREPS,
2109         IX86_BUILTIN_MASKSTOREPD256 and IX86_BUILTIN_MASKSTOREPS256.
2110         (ix86_builtins): Add IX86_BUILTIN_ADDPD256,
2111         IX86_BUILTIN_ADDPS256, IX86_BUILTIN_ADDSUBPD256,
2112         IX86_BUILTIN_ADDSUBPS256, IX86_BUILTIN_ANDPD256,
2113         IX86_BUILTIN_ANDPS256, IX86_BUILTIN_ANDNPD256,
2114         IX86_BUILTIN_ANDNPS256, IX86_BUILTIN_DIVPD256,
2115         IX86_BUILTIN_DIVPS256, IX86_BUILTIN_HADDPD256,
2116         IX86_BUILTIN_HSUBPS256, IX86_BUILTIN_HSUBPD256,
2117         IX86_BUILTIN_HADDPS256, IX86_BUILTIN_MAXPD256,
2118         IX86_BUILTIN_MAXPS256, IX86_BUILTIN_MINPD256,
2119         IX86_BUILTIN_MINPS256, IX86_BUILTIN_MULPD256,
2120         IX86_BUILTIN_MULPS256, IX86_BUILTIN_ORPD256,
2121         IX86_BUILTIN_ORPS256, IX86_BUILTIN_SUBPD256,
2122         IX86_BUILTIN_SUBPS256, IX86_BUILTIN_XORPD256,
2123         IX86_BUILTIN_XORPS256, IX86_BUILTIN_VPERMILVARPD,
2124         IX86_BUILTIN_VPERMILVARPS, IX86_BUILTIN_VPERMILVARPD256,
2125         IX86_BUILTIN_VPERMILVARPS256, IX86_BUILTIN_BLENDPD256,
2126         IX86_BUILTIN_BLENDPS256, IX86_BUILTIN_BLENDVPD256,
2127         IX86_BUILTIN_BLENDVPS256, IX86_BUILTIN_DPPS256,
2128         IX86_BUILTIN_SHUFPD256, IX86_BUILTIN_SHUFPS256,
2129         IX86_BUILTIN_CMPSD, IX86_BUILTIN_CMPSS, IX86_BUILTIN_CMPPD,
2130         IX86_BUILTIN_CMPPS,
2131         IX86_BUILTIN_CMPPD256,IX86_BUILTIN_CMPPS256,
2132         IX86_BUILTIN_EXTRACTF128PD256, IX86_BUILTIN_EXTRACTF128PS256,
2133         IX86_BUILTIN_EXTRACTF128SI256, IX86_BUILTIN_CVTDQ2PD256,
2134         IX86_BUILTIN_CVTDQ2PS256, IX86_BUILTIN_CVTPD2PS256,
2135         IX86_BUILTIN_CVTPS2DQ256, IX86_BUILTIN_CVTPS2PD256,
2136         IX86_BUILTIN_CVTTPD2DQ256, IX86_BUILTIN_CVTPD2DQ256,
2137         IX86_BUILTIN_CVTTPS2DQ256, IX86_BUILTIN_VPERM2F128PD256,
2138         IX86_BUILTIN_VPERM2F128PS256, IX86_BUILTIN_VPERM2F128SI256,
2139         IX86_BUILTIN_VPERMILPD, IX86_BUILTIN_VPERMILPS,
2140         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
2141         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMILPS,
2142         IX86_BUILTIN_VPERMILPD256, IX86_BUILTIN_VPERMILPS256,
2143         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2144         IX86_BUILTIN_VPERMIL2PD256, IX86_BUILTIN_VPERMIL2PS256,
2145         IX86_BUILTIN_VINSERTF128PD256, IX86_BUILTIN_VINSERTF128PS256,
2146         IX86_BUILTIN_VINSERTF128SI256, IX86_BUILTIN_MOVSHDUP256,
2147         IX86_BUILTIN_MOVSLDUP256, IX86_BUILTIN_MOVDDUP256,
2148         IX86_BUILTIN_SQRTPD256, IX86_BUILTIN_SQRTPS256,
2149         IX86_BUILTIN_SQRTPS_NR256, IX86_BUILTIN_RSQRTPS256,
2150         IX86_BUILTIN_RSQRTPS_NR256, IX86_BUILTIN_RCPPS256,
2151         IX86_BUILTIN_ROUNDPD256, IX86_BUILTIN_ROUNDPS256,
2152         IX86_BUILTIN_UNPCKHPD256, IX86_BUILTIN_UNPCKLPD256,
2153         IX86_BUILTIN_UNPCKHPS256, IX86_BUILTIN_UNPCKLPS256,
2154         IX86_BUILTIN_SI256_SI, IX86_BUILTIN_PS256_PS,
2155         IX86_BUILTIN_PD256_PD, IX86_BUILTIN_SI_SI256,
2156         IX86_BUILTIN_PS_PS256, IX86_BUILTIN_PD_PD256,
2157         IX86_BUILTIN_VTESTZPD, IX86_BUILTIN_VTESTCPD,
2158         IX86_BUILTIN_VTESTNZCPD, IX86_BUILTIN_VTESTZPS,
2159         IX86_BUILTIN_VTESTCPS, IX86_BUILTIN_VTESTNZCPS,
2160         IX86_BUILTIN_VTESTZPD256, IX86_BUILTIN_VTESTCPD256,
2161         IX86_BUILTIN_VTESTNZCPD256, IX86_BUILTIN_VTESTZPS256,
2162         IX86_BUILTIN_VTESTCPS256, IX86_BUILTIN_VTESTNZCPS256,
2163         IX86_BUILTIN_PTESTZ256, IX86_BUILTIN_PTESTC256,
2164         IX86_BUILTIN_PTESTNZC256, IX86_BUILTIN_MOVMSKPD256 and
2165         IX86_BUILTIN_MOVMSKPS256.
2166         (ix86_init_mmx_sse_builtins): Support AVX builtins.
2167         (ix86_expand_args_builtin): Likewise.
2168         (ix86_expand_special_args_builtin): Likewise.
2169         (ix86_hard_regno_mode_ok): Handle AVX modes.
2170         (ix86_expand_vector_init_duplicate): Likewise.
2171         (ix86_expand_vector_init_one_nonzero): Likewise.
2172         (ix86_expand_vector_init_one_var): Likewise.
2173         (ix86_expand_vector_init_concat): Likewise.
2174         (ix86_expand_vector_init_general): Likewise.
2175         (ix86_expand_vector_set): Likewise.
2176         (ix86_vector_mode_supported_p): Likewise.
2177         (x86_extended_reg_mentioned_p): Check INSN_P before using
2178         PATTERN.
2180         * config/i386/i386-c.c (ix86_target_macros_internal): Handle
2181         OPTION_MASK_ISA_AVX and OPTION_MASK_ISA_FMA.
2183         * config/i386/i386.h (TARGET_AVX): New.
2184         (TARGET_FMA): Likewise.
2185         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AVX and TARGET_FMA.
2186         (BIGGEST_ALIGNMENT): Set to 256 for TARGET_AVX.
2187         (VALID_AVX256_REG_MODE): New.
2188         (AVX256_VEC_FLOAT_MODE_P): Likewise.
2189         (AVX_FLOAT_MODE_P): Likewise.
2190         (AVX128_VEC_FLOAT_MODE_P): Likewise.
2191         (AVX256_VEC_FLOAT_MODE_P): Likewise.
2192         (AVX_VEC_FLOAT_MODE_P): Likewise.
2193         (ASM_OUTPUT_AVX_PREFIX): Likewise.
2194         (ASM_OUTPUT_OPCODE): Likewise.
2195         (UNITS_PER_SIMD_WORD): Add a FIXME for 32byte vectorizer
2196         support.
2197         (SSE_REG_MODE_P): Allow 256bit vector modes.
2198         (ix86_args): Add a warn_avx field.
2200         * config/i386/i386.md (UNSPEC_PCMP): New.
2201         (UNSPEC_VPERMIL): Likewise.
2202         (UNSPEC_VPERMIL2): Likewise.
2203         (UNSPEC_VPERMIL2F128): Likewise.
2204         (UNSPEC_MASKLOAD): Likewise.
2205         (UNSPEC_MASKSTORE): Likewise.
2206         (UNSPEC_CAST): Likewise.
2207         (UNSPEC_VTESTP): Likewise.
2208         (UNSPECV_VZEROALL): Likewise.
2209         (UNSPECV_VZEROUPPER): Likewise.
2210         (XMM0_REG): Likewise.
2211         (XMM1_REG): Likewise.
2212         (XMM2_REG): Likewise.
2213         (XMM3_REG): Likewise.
2214         (XMM4_REG): Likewise.
2215         (XMM5_REG): Likewise.
2216         (XMM6_REG): Likewise.
2217         (XMM8_REG): Likewise.
2218         (XMM9_REG): Likewise.
2219         (XMM10_REG): Likewise.
2220         (XMM11_REG): Likewise.
2221         (XMM12_REG): Likewise.
2222         (XMM13_REG): Likewise.
2223         (XMM14_REG): Likewise.
2224         (XMM15_REG): Likewise.
2225         (prefix): Likewise.
2226         (prefix_vex_imm8): Likewise.
2227         (prefix_vex_w): Likewise.
2228         (length_vex): Likewise.
2229         (maxmin): Likewise.
2230         (movoi): Likewise.
2231         (*avx_ashlti3): Likewise.
2232         (*avx_lshrti3): Likewise.
2233         (*avx_setcc<mode>): Likewise.
2234         (*fop_<mode>_comm_mixed_avx): Likewise.
2235         (*fop_<mode>_comm_avx): Likewise.
2236         (*fop_<mode>_1_mixed_avx): Likewise.
2237         (*fop_<mode>_1_avx): Likewise.
2238         (*avx_<code><mode>3): Likewise.
2239         (*avx_ieee_smin<mode>3): Likewise.
2240         (*avx_ieee_smax<mode>3): Likewise.
2241         (mode): Add OI, V8SF and V4DF.
2242         (length): Support VEX prefix.
2243         (*cmpfp_i_mixed): Set prefix attribute.
2244         (*cmpfp_i_sse): Likewise.
2245         (*cmpfp_iu_mixed): Likewise.
2246         (*cmpfp_iu_sse): Likewise.
2247         (*movsi_1): Support AVX.
2248         (*movdi_2): Likewise.
2249         (*movdi_1_rex64): Likewise.
2250         (*movti_internal): Likewise.
2251         (*movti_rex64): Likewise.
2252         (*movsf_1): Likewise.
2253         (*movdf_nointeger): Likewise.
2254         (*movdf_integer_rex64): Likewise.
2255         (*movtf_internal): Likewise.
2256         (zero_extendsidi2_32): Likewise.
2257         (zero_extendsidi2_rex64): Likewise.
2258         (*extendsfdf2_mixed): Likewise.
2259         (*extendsfdf2_sse): Likewise.
2260         (*truncdfsf_fast_mixed): Likewise.
2261         (*truncdfsf_fast_sse): Likewise.
2262         (*truncdfsf_mixed): Likewise.
2263         (fix_trunc<mode>di_sse): Likewise.
2264         (fix_trunc<mode>si_sse): Likewise.
2265         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Likewise.
2266         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Likewise.
2267         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Likewise.
2268         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Likewise.
2269         (*rcpsf2_sse): Likewise.
2270         (*rsqrtsf2_sse): Likewise.
2271         (*sqrt<mode>2_sse): Likewise.
2272         (sse4_1_round<mode>2): Likewise.
2273         (*sse_prologue_save_insn): Disallow REX prefix for AVX.
2274         Support AVX.  Set length attribute properly for AVX.
2276         * config/i386/i386-modes.def (VECTOR_MODES (INT, 32)): New.
2277         (VECTOR_MODES (FLOAT, 32)): Likewise.
2278         (VECTOR_MODE (INT, DI, 8)): Likewise.
2279         (VECTOR_MODE (INT, HI, 32)): Likewise.
2280         (VECTOR_MODE (INT, QI, 64)): Likewise.
2281         (VECTOR_MODE (FLOAT, DF, 8)): Likewise.
2282         (VECTOR_MODE (FLOAT, SF, 16)): Likewise.
2283         (VECTOR_MODE (INT, DI, 4)): Removed.
2284         (VECTOR_MODE (INT, SI, 8)): Likewise.
2285         (VECTOR_MODE (INT, HI, 16)): Likewise.
2286         (VECTOR_MODE (INT, QI, 32)): Likewise.
2287         (VECTOR_MODE (FLOAT, SF, 8)): Likewise.
2288         (INT_MODE (OI, 32)): Likewise.
2290         * config/i386/i386.opt (mavx): New.
2291         (mfma): Likewise.
2293         * config/i386/i386-protos.h (ix86_attr_length_vex_default): New.
2295         * config/i386/mmx.md (*mov<mode>_internal_rex64): Support AVX.
2296         (*mov<mode>_internal_avx): New.
2297         (*movv2sf_internal_rex64_avx): Likewise.
2298         (*movv2sf_internal_avx): Likewise.
2300         * config/i386/predicates.md (const_4_to_5_operand): New.
2301         (const_6_to_7_operand): Likewise.
2302         (const_8_to_11_operand): Likewise.
2303         (const_12_to_15_operand): Likewise.
2304         (avx_comparison_float_operator): Likewise.
2306         * config/i386/sse.md (AVX256MODEI): New.
2307         (AVX256MODE): Likewise.
2308         (AVXMODEQI): Likewise.
2309         (AVXMODE): Likewise.
2310         (AVX256MODEF2P): Likewise.
2311         (AVX256MODE2P): Likewise.
2312         (AVX256MODE4P): Likewise.
2313         (AVX256MODE8P): Likewise.
2314         (AVXMODEF2P): Likewise.
2315         (AVXMODEF4P): Likewise.
2316         (AVXMODEDCVTDQ2PS): Likewise.
2317         (AVXMODEDCVTPS2DQ): Likewise.
2318         (avxvecmode): Likewise.
2319         (avxvecpsmode): Likewise.
2320         (avxhalfvecmode): Likewise.
2321         (avxscalarmode): Likewise.
2322         (avxcvtvecmode): Likewise.
2323         (avxpermvecmode): Likewise.
2324         (avxmodesuffixf2c): Likewise.
2325         (avxmodesuffixp): Likewise.
2326         (avxmodesuffixs): Likewise.
2327         (avxmodesuffix): Likewise.
2328         (vpermilbits): Likewise.
2329         (pinsrbits): Likewise.
2330         (mov<mode>): Likewise.
2331         (*mov<mode>_internal): Likewise.
2332         (push<mode>1): Likewise.
2333         (movmisalign<mode>): Likewise.
2334         (avx_movup<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2335         (avx_movdqu<avxmodesuffix>): Likewise.
2336         (avx_lddqu<avxmodesuffix>): Likewise.
2337         (<plusminus_insn><mode>3): Likewise.
2338         (*avx_<plusminus_insn><mode>3): Likewise.
2339         (*avx_vm<plusminus_insn><mode>3): Likewise.
2340         (mul<mode>3): Likewise.
2341         (*avx_mul<mode>3): Likewise.
2342         (*avx_vmmul<mode>3): Likewise.
2343         (divv8sf3): Likewise.
2344         (divv4df3): Likewise.
2345         (avx_div<mode>3): Likewise.
2346         (*avx_div<mode>3): Likewise.
2347         (*avx_vmdiv<mode>3): Likewise.
2348         (avx_rcpv8sf2): Likewise.
2349         (*avx_vmrcpv4sf2): Likewise.
2350         (sqrtv8sf2): Likewise.
2351         (avx_sqrtv8sf2): Likewise.
2352         (*avx_vmsqrt<mode>2): Likewise.
2353         (rsqrtv8sf2): Likewise.
2354         (avx_rsqrtv8sf2): Likewise.
2355         (*avx_vmrsqrtv4sf2): Likewise.
2356         (<code><mode>3): Likewise.
2357         (*avx_<code><mode>3_finite): Likewise.
2358         (*avx_<code><mode>3): Likewise.
2359         (*avx_vm<code><mode>3): Likewise.
2360         (*avx_ieee_smin<mode>3): Likewise.
2361         (*avx_ieee_smax<mode>3): Likewise.
2362         (avx_addsubv8sf3): Likewise.
2363         (avx_addsubv4df3): Likewise.
2364         (*avx_addsubv4sf3): Likewise.
2365         (*avx_addsubv2df3): Likewise.
2366         (avx_h<plusminus_insn>v4df3): Likewise.
2367         (avx_h<plusminus_insn>v8sf3): Likewise.
2368         (*avx_h<plusminus_insn>v4sf3): Likewise.
2369         (*avx_h<plusminus_insn>v2df3): Likewise.
2370         (avx_cmpp<avxmodesuffixf2c><mode>3): Likewise.
2371         (avx_cmps<ssemodesuffixf2c><mode>3): Likewise.
2372         (*avx_maskcmp<mode>3): Likewise.
2373         (avx_nand<mode>3): Likewise.
2374         (*avx_<code><mode>3): Likewise.
2375         (*avx_nand<mode>3): Likewise.
2376         (*avx_<code><mode>3): Likewise.
2377         (*avx_cvtsi2ss): Likewise.
2378         (*avx_cvtsi2ssq): Likewise.
2379         (*avx_cvtsi2sd): Likewise.
2380         (*avx_cvtsi2sdq): Likewise.
2381         (*avx_cvtsd2ss): Likewise.
2382         (avx_cvtss2sd): Likewise.
2383         (avx_cvtdq2ps<avxmodesuffix>): Likewise.
2384         (avx_cvtps2dq<avxmodesuffix>): Likewise.
2385         (avx_cvttps2dq<avxmodesuffix>): Likewise.
2386         (*avx_cvtsi2sd): Likewise.
2387         (*avx_cvtsi2sdq): Likewise.
2388         (avx_cvtdq2pd256): Likewise.
2389         (avx_cvtpd2dq256): Likewise.
2390         (avx_cvttpd2dq256): Likewise.
2391         (*avx_cvtsd2ss): Likewise.
2392         (*avx_cvtss2sd): Likewise.
2393         (avx_cvtpd2ps256): Likewise.
2394         (avx_cvtps2pd256): Likewise.
2395         (*avx_movhlps): Likewise.
2396         (*avx_movlhps): Likewise.
2397         (avx_unpckhps256): Likewise.
2398         (*avx_unpckhps): Likewise.
2399         (avx_unpcklps256): Likewise.
2400         (*avx_unpcklps): Likewise.
2401         (avx_movshdup256): Likewise.
2402         (avx_movsldup256): Likewise.
2403         (avx_shufps256): Likewise.
2404         (avx_shufps256_1): Likewise.
2405         (*avx_shufps_<mode>): Likewise.
2406         (*avx_loadhps): Likewise.
2407         (*avx_storelps): Likewise.
2408         (*avx_loadlps): Likewise.
2409         (*avx_movss): Likewise.
2410         (*vec_dupv4sf_avx): Likewise.
2411         (*vec_concatv2sf_avx): Likewise.
2412         (*vec_concatv4sf_avx): Likewise.
2413         (*vec_setv4sf_0_avx): Likewise.
2414         (*vec_setv4sf_avx): Likewise.
2415         (*avx_insertps): Likewise.
2416         (avx_vextractf128<mode>): Likewise.
2417         (vec_extract_lo_<mode>): Likewise.
2418         (vec_extract_hi_<mode>): Likewise.
2419         (vec_extract_lo_<mode>): Likewise.
2420         (vec_extract_hi_<mode>): Likewise.
2421         (vec_extract_lo_v16hi): Likewise.
2422         (vec_extract_hi_v16hi): Likewise.
2423         (vec_extract_lo_v32qi): Likewise.
2424         (vec_extract_hi_v32qi): Likewise.
2425         (avx_unpckhpd256): Likewise.
2426         (*avx_unpckhpd): Likewise.
2427         (avx_movddup256): Likewise.
2428         (*avx_movddup): Likewise.
2429         (avx_unpcklpd256): Likewise.
2430         (*avx_unpcklpd): Likewise.
2431         (avx_shufpd256): Likewise.
2432         (avx_shufpd256_1): Likewise.
2433         (*avx_punpckhqdq): Likewise.
2434         (*avx_punpcklqdq): Likewise.
2435         (*avx_shufpd_<mode>): Likewise.
2436         (*avx_storehpd): Likewise.
2437         (*avx_loadhpd): Likewise.
2438         (*avx_loadlpd): Likewise.
2439         (*avx_movsd): Likewise.
2440         (*vec_concatv2df_avx): Likewise.
2441         (*avx_<plusminus_insn><mode>3): Likewise.
2442         (*avx_<plusminus_insn><mode>3): Likewise.
2443         (*avx_mulv8hi3): Likewise.
2444         (*avxv8hi3_highpart): Likewise.
2445         (*avx_umulv8hi3_highpart): Likewise.
2446         (*avx_umulv2siv2di3): Likewise.
2447         (*avx_mulv2siv2di3): Likewise.
2448         (*avx_pmaddwd): Likewise.
2449         (*avx_mulv4si3): Likewise.
2450         (*avx_ashr<mode>3): Likewise.
2451         (*avx_lshr<mode>3): Likewise.
2452         (*avx_ashl<mode>3): Likewise.
2453         (*avx_<code><mode>3): Likewise.
2454         (*avx_eq<mode>3): Likewise.
2455         (*avx_gt<mode>3): Likewise.
2456         (*avx_nand<mode>3): Likewise.
2457         (*avx_nand<mode>3): Likewise.
2458         (*avx_<code><mode>3): Likewise.
2459         (*avx_<code><mode>3): Likewise.
2460         (*avx_packsswb): Likewise.
2461         (*avx_packssdw): Likewise.
2462         (*avx_packuswb): Likewise.
2463         (*avx_punpckhbw): Likewise.
2464         (*avx_punpcklbw): Likewise.
2465         (*avx_punpckhwd): Likewise.
2466         (*avx_punpcklwd): Likewise.
2467         (*avx_punpckhdq): Likewise.
2468         (*avx_punpckldq): Likewise.
2469         (*avx_pinsr<avxmodesuffixs>): Likewise.
2470         (*avx_pinsrq): Likewise.
2471         (*avx_loadld): Likewise.
2472         (*vec_extractv2di_1_rex64_avx): Likewise.
2473         (*vec_extractv2di_1_avx): Likewise.
2474         (*vec_dupv2di_avx): Likewise.
2475         (*vec_concatv2si_avx): Likewise.
2476         (*vec_concatv4si_1_avx): Likewise.
2477         (*vec_concatv2di_avx): Likewise.
2478         (*vec_concatv2di_rex64_avx): Likewise.
2479         (*avx_uavgv16qi3): Likewise.
2480         (*avx_uavgv8hi3): Likewise.
2481         (*avx_psadbw): Likewise.
2482         (avx_movmskp<avxmodesuffixf2c>256): Likewise.
2483         (*avx_phaddwv8hi3): Likewise.
2484         (*avx_phadddv4si3): Likewise.
2485         (*avx_phaddswv8hi3): Likewise.
2486         (*avx_phsubwv8hi3): Likewise.
2487         (*avx_phsubdv4si3): Likewise.
2488         (*avx_phsubswv8hi3): Likewise.
2489         (*avx_pmaddubsw128): Likewise.
2490         (*avx_pmulhrswv8hi3): Likewise.
2491         (*avx_pshufbv16qi3): Likewise.
2492         (*avx_psign<mode>3): Likewise.
2493         (*avx_palignrti): Likewise.
2494         (avx_blendp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2495         (avx_blendvp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2496         (avx_dpp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2497         (*avx_mpsadbw): Likewise.
2498         (*avx_packusdw): Likewise.
2499         (*avx_pblendvb): Likewise.
2500         (*avx_pblendw): Likewise.
2501         (avx_vtestp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2502         (avx_ptest256): Likewise.
2503         (avx_roundp<avxmodesuffixf2c>256): Likewise.
2504         (*avx_rounds<ssemodesuffixf2c>): Likewise.
2505         (*avx_aesenc): Likewise.
2506         (*avx_aesenclast): Likewise.
2507         (*avx_aesdec): Likewise.
2508         (*avx_aesdeclast): Likewise.
2509         (avx_vzeroupper): Likewise.
2510         (avx_vzeroupper_rex64): Likewise.
2511         (avx_vpermil<mode>): Likewise.
2512         (avx_vpermilvar<mode>3): Likewise.
2513         (avx_vpermil2<mode>3): Likewise.
2514         (avx_vperm2f128<mode>3): Likewise.
2515         (avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2516         (avx_vbroadcastss256): Likewise.
2517         (avx_vbroadcastf128_p<avxmodesuffixf2c>256): Likewise.
2518         (avx_vinsertf128<mode>): Likewise.
2519         (vec_set_lo_<mode>): Likewise.
2520         (vec_set_hi_<mode>): Likewise.
2521         (vec_set_lo_<mode>): Likewise.
2522         (vec_set_hi_<mode>): Likewise.
2523         (vec_set_lo_v16hi): Likewise.
2524         (vec_set_hi_v16hi): Likewise.
2525         (vec_set_lo_v32qi): Likewise.
2526         (vec_set_hi_v32qi): Likewise.
2527         (avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2528         (avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>): Likewise.
2529         (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>): Likewise.
2530         (avx_<avxmodesuffixp>_<avxmodesuffixp><avxmodesuffix>): Likewise.
2531         (vec_init<mode>): Likewise.
2532         (*vec_concat<mode>_avx): Likewise.
2533         (blendbits): Support V8SF and V4DF.
2534         (sse2_movq128): Support AVX.
2535         (<sse>_movnt<mode>): Likewise.
2536         (sse2_movntv2di): Likewise.
2537         (sse_rcpv4sf2): Likewise.
2538         (sse_sqrtv4sf2): Likewise.
2539         (sse_rsqrtv4sf2): Likewise.
2540         (<sse>_comi): Likewise.
2541         (<sse>_ucomi): Likewise.
2542         (sse_cvtss2si): Likewise.
2543         (sse_cvtss2si_2): Likewise.
2544         (sse_cvtss2siq): Likewise.
2545         (sse_cvtss2siq_2): Likewise.
2546         (sse_cvttss2si): Likewise.
2547         (sse_cvttss2siq): Likewise.
2548         (sse2_cvtsd2si): Likewise.
2549         (sse2_cvtsd2si_2): Likewise.
2550         (sse2_cvtsd2siq): Likewise.
2551         (sse2_cvtsd2siq_2): Likewise.
2552         (sse2_cvttsd2si): Likewise.
2553         (sse2_cvttsd2siq): Likewise.
2554         (sse2_cvtdq2pd): Likewise.
2555         (*sse2_cvtpd2dq): Likewise.
2556         (*sse2_cvttpd2dq): Likewise.
2557         (*sse2_cvtpd2ps): Likewise.
2558         (sse2_cvtps2pd): Likewise.
2559         (sse3_movshdup): Likewise.
2560         (sse3_movsldup): Likewise.
2561         (sse_storehps): Likewise.
2562         (*sse4_1_extractps): Likewise.
2563         (sse2_storelpd): Likewise.
2564         (vec_dupv2df_sse3): Likewise.
2565         (*vec_concatv2df_sse3): Likewise.
2566         (*sse4_1_pextrb): Likewise.
2567         (*sse4_1_pextrb_memory): Likewise.
2568         (*sse2_pextrw): Likewise.
2569         (*sse4_1_pextrw_memory): Likewise.
2570         (*sse4_1_pextrd): Likewise.
2571         (*sse4_1_pextrq): Likewise.
2572         (sse2_pshufd_1): Likewise.
2573         (sse2_pshuflw_1): Likewise.
2574         (sse2_pshufhw_1): Likewise.
2575         (*sse2_storeq_rex64): Likewise.
2576         (*vec_dupv4si): Likewise.
2577         (<sse>_movmskp<ssemodesuffixf2c>): Likewise.
2578         (sse2_pmovmskb): Likewise.
2579         (*sse2_maskmovdqu): Likewise.
2580         (*sse2_maskmovdqu_rex64): Likewise.
2581         (sse_ldmxcsr): Likewise.
2582         (sse_stmxcsr): Likewise.
2583         (abs<mode>2): Likewise.
2584         (sse4_1_movntdqa): Likewise.
2585         (sse4_1_phminposuw): Likewise.
2586         (sse4_1_extendv8qiv8hi2): Likewise.
2587         (*sse4_1_extendv8qiv8hi2): Likewise.
2588         (sse4_1_extendv4qiv4si2): Likewise.
2589         (*sse4_1_extendv4qiv4si2): Likewise.
2590         (sse4_1_extendv2qiv2di2): Likewise.
2591         (*sse4_1_extendv2qiv2di2): Likewise.
2592         (sse4_1_extendv4hiv4si2): Likewise.
2593         (*sse4_1_extendv4hiv4si2): Likewise.
2594         (sse4_1_extendv2hiv2di2): Likewise.
2595         (*sse4_1_extendv2hiv2di2): Likewise.
2596         (sse4_1_extendv2siv2di2): Likewise.
2597         (*sse4_1_extendv2siv2di2): Likewise.
2598         (sse4_1_zero_extendv8qiv8hi2): Likewise.
2599         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
2600         (sse4_1_zero_extendv4qiv4si2): Likewise.
2601         (*sse4_1_zero_extendv4qiv4si2): Likewise.
2602         (sse4_1_zero_extendv2qiv2di2): Likewise.
2603         (*sse4_1_zero_extendv2qiv2di2): Likewise.
2604         (sse4_1_zero_extendv4hiv4si2): Likewise.
2605         (*sse4_1_zero_extendv4hiv4si2): Likewise.
2606         (sse4_1_zero_extendv2hiv2di2): Likewise.
2607         (*sse4_1_zero_extendv2hiv2di2): Likewise.
2608         (sse4_1_zero_extendv2siv2di2): Likewise.
2609         (*sse4_1_zero_extendv2siv2di2): Likewise.
2610         (sse4_1_ptest): Likewise.
2611         (sse4_1_roundp<ssemodesuffixf2c>): Likewise.
2612         (sse4_2_pcmpestri): Likewise.
2613         (sse4_2_pcmpestrm): Likewise.
2614         (sse4_2_pcmpistri): Likewise.
2615         (sse4_2_pcmpistrm): Likewise.
2616         (aesimc): Likewise.
2617         (aeskeygenassist): Likewise.
2619 2008-08-28  Uros Bizjak  <ubizjak@gmail.com>
2621         * config/i386/predicates.md (vzeroall_operation): New.
2623         * config/i386/sse.md (avx_vzeroall): New.
2624         (*avx_vzeroall): Likewise.
2626 2008-08-28  Paul Brook  <paul@codesourcery.com>
2627             Mark Shinwell  <shinwell@codesourcery.com>
2628             Richard Earnshaw  <richard.earnshaw@arm.com>
2630         * config/arm/arm.c (TARGET_MAX_ANCHOR_OFFSET): New.
2631         (TARGET_MIN_ANCHOR_OFFSET): New.
2632         (arm_override_options): Set correct anchor ranges for Thumb-1
2633         and Thumb-2 if required.
2634         (legitimize_pic_address): Handle case involving a TLS symbol
2635         reference with an addend.
2636         (arm_optimization_options): Enable section anchors at -O1 and
2637         above.
2638         * config/arm/arm.h (OPTIMIZATION_OPTIONS): New.
2639         * config/arm/arm-protos.h (arm_optimization_options): New.
2641 2008-08-28  Nick Clifton  <nickc@redhat.com>
2643         * config/stormy16/stormy16.h (IRA_COVER_CLASSES): Define.
2644         * config/stormy16/stormy16.md (zero_extendqihi2): Fix length
2645         attribute.
2647         * config/v850/v850.h (IRA_COVER_CLASSES): Define.
2648         * config/v850/v850.md (return): Remove frame size restriction.
2650         * config/mcore/mcore.h (IRA_COVER_CLASSES): Define.
2652         * config/iq2000/iq2000.h (IRA_COVER_CLASSES): Define.
2654         * config/fr30/fr30.h (IRA_COVER_CLASSES): Define.
2656         * config/m32r/m32r.h (IRA_COVER_CLASSES): Define.
2658 2008-08-28  Paul Brook  <paul@codesourcery.com>
2660         * config/arm/vfp11.md: Update license notice.
2661         * config/arm/cortex-r4.md: Ditto.
2663 2008-08-28  Richard Guenther  <rguenther@suse.de>
2665         PR tree-optimization/37207
2666         * tree-ssa-ifcombine.c (recognize_single_bit_test): Fix
2667         tuplification bug.
2669 2008-08-28  Dodji Seketeli  <dodji@redhat.com>
2671         PR c++/36741
2672         * tree.c (int_fits_type_p): Don't forget unsigned integers
2673           of type sizetype which higher end word equals -1.
2675 2008-08-28  Ira Rosen  <irar@il.ibm.com>
2677         * target.h (struct vectorize): Add new target builtin.
2678         * tree-vectorizer.c (destroy_loop_vec_info): Call
2679         vect_free_slp_instance instead of vect_free_slp_node.
2680         * tree-vectorizer.h (enum slp_load_perm_type): New.
2681         (struct _slp_instance): Add new fields.
2682         (SLP_INSTANCE_LOAD_PERMUTATION): New.
2683         (SLP_INSTANCE_LOADS): New.
2684         (vect_free_slp_tree): Remove.
2685         (vect_free_slp_instance): Declare.
2686         (SLP_TREE_LOADS_PERM_TYPE, TARG_VEC_PERMUTE_COST): New.
2687         (vectorizable_load): Add argument.
2688         (vect_transform_slp_perm_load): New.
2689         * tree-vect-analyze.c (vect_analyze_operations): Add an argument to
2690         vectorizable_load.
2691         (vect_get_place_in_interleaving_chain): New function.
2692         (vect_free_slp_tree): Make static.
2693         (vect_free_slp_instance): New function.
2694         (vect_build_slp_tree): Add new arguments. Allow load permutations and
2695         collect the load location in the interleaving chain.
2696         (vect_supported_slp_permutation_p): New function.
2697         (vect_supported_load_permutation_p): Likewise.
2698         (vect_analyze_slp_instance): In case of loads permutation, call
2699         vect_supported_load_permutation_p to check that the permutation is
2700         supported.
2701         * target-def.h (TARGET_VECTORIZE_BUILTIN_VEC_PERM): New.
2702         * tree-vect-transform.c (vect_transform_stmt): Add new argument.
2703         (vect_create_mask_and_perm): New function.
2704         (vect_get_mask_element, vect_transform_slp_perm_load): Likewise.
2705         (vectorizable_load): Add an argument. Don't keep the created vectors
2706         statements in the node if permutation is required. Call
2707         vect_transform_slp_perm_load to generate the permutation.
2708         (vect_transform_stmt): Add new argument. Call vectorizable_load with
2709         additional argument.
2710         (vect_schedule_slp_instance): In case of loads permutation, allocate
2711         vectorized statements structure for all the related SLP nodes. Call
2712         vect_transform_stmt with addditional argument.
2713         (vect_transform_loop): Call vect_transform_stmt with correct arguments.
2714         * config/spu/spu.c (spu_builtin_vec_perm): New.
2715         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
2716         * config/spu/spu.h (TARG_VEC_PERMUTE_COS): Define.
2717         * config/rs6000/rs6000.c (rs6000_builtin_vec_perm): New.
2718         (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Redefine.
2720 2008-08-28  Chris Fairles  <chris.fairles@gmail.com>
2722         * gthr-posix.h (__gthread_create,  __gthread_join, __gthread_detach,
2723         __gthread_mutex_timed_lock, __gthread_recursive_mutex_timed_lock,
2724         __gthread_cond_signal, __gthread_cond_timedwait,
2725         __gthread_cond_timedwait_recursive): New functions.
2726         * gthr-posix.c (pthread_mutex_timedlock, pthread_cond_timedwait):
2727         Likewise.
2728         * gthr.h: Comment on defining __GTHREADS_CXX0X macro in conforming
2729         thread interfaces.
2731 2008-08-28  Richard Guenther  <rguenther@suse.de>
2733         PR middle-end/37005
2734         * fold-const.c (maybe_canonicalize_comparison_1): Require
2735         undefined overflow only for canonicalizing A +- CST cmp CST.
2736         Make sure to not generate new constants that are not inside
2737         their TYPE_MIN/MAX_VALUE range.
2738         (maybe_canonicalize_comparison): Remove undefined overflow
2739         checking from here.
2740         (fold_binary): Remove now duplicate folding.
2742 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
2744         * c-typeck.c (convert_for_assignment): Adjust WARN_FOR_ASSIGNMENT
2745         use not updated in the last change.
2747 2008-08-27  Kaz Kojima  <kkojima@gcc.gnu.org>
2749         * config/sh/sh.h (REG_CLASS_CONTENTS): Drop fr32 from FPUL_REGS.
2750         (IRA_COVER_CLASSES): Add FPUL_REGS.
2752 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2754         PR 37217
2755         * c-common.c (conversion_warning): Check for null operands.
2757 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2759         PR c/31673
2760         * c-decl.c (check_for_loop_decls): Improve error message. Give
2761         hint.
2763 2008-08-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2765         PR c/37186
2766         * c-typeck.c (WARN_FOR_ASSIGNMENT): Add OPT parameter.
2767         (convert_for_assignment): Pass corrent OPT_W* parameter to
2768         WARN_FOR_ASSIGNMENT.
2770 2008-08-27  Paolo Carlini  <paolo.carlini@oracle.com>
2772         PR c++/35321
2773         * c-common.c (fold_offsetof_1): Handle TARGET_EXPR like CALL_EXPR.
2775 2008-08-27  Paul Brook  <paul@codesourcery.com>
2777         * config.gcc: Loosen checks for arm uclinux eabi targets.
2779 2008-08-27  Paul Brook  <paul@codesourcery.com>
2781         * config/arm/t-arm-coff (LIB1ASMFUNCS): Add missing undescrore on
2782         _clzsi2.
2783         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
2785 2008-08-26  Douglas Gregor  <doug.gregor@gmail.com>
2787         * c-common.c (do_switch_warnings): Look through the CONST_DECLs in
2788         the enumerators of an ENUMERAL_TYPE.
2789         * dbxout.c (dbxout_type): Ditto.
2791 2008-08-26  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2793         PR rtl-opt/37219
2794         * fwprop.c (fwprop): Check that the loop_father is the outer loop.
2795         (fwprop_addr): Check that the loop_father is not the outer loop.
2797 2008-08-26  Paul Brook  <paul@codesourcery.com>
2799         * config/arm/vfp.md: Document fmul{s,d} and fmac{s,d} types.
2800         Remove documentation entry for fmul type.
2801         Use fmuls to annotate single-precision multiplication patterns,
2802         fmuld to annotate double-precision multiplication patterns,
2803         fmacs to annotate single-precision multiply-accumulate patterns
2804         and fmacd to annotate double-precision multiply-accumulate patterns.
2805         * config/arm/vfp11.md: Update reservations accordingly.
2806         * config/arm/arm.md: Note that certain values of the "type"
2807         attribute are documented in vfp.md.
2808         * config/arm/arm1020e.md: Remove out of date duplicate comment.
2809         (v10_cvt): Use new fmul types.
2811 2008-08-26  Paul Brook   <paul@codesourcery.com>
2813         * config/arm/vfp.md: Move pipeline description for VFP11 to...
2814         * config/arm/vfp11.md: ...here.  New.
2815         * config/arm/arm.md: Include vfp11.md.
2817 2008-08-26  Hans-Peter Nilsson  <hp@axis.com>
2819         * opts.c (decode_options) [!IRA_COVER_CLASSES]: Add missing
2820         parameter to inform call.
2822 2008-08-26  Jeff Law  <law@redhat.com>
2824         * mn10300.md (movqi, movhi): Split i->d*a case into two cases to
2825         avoid the possibility of getting DATA_OR_ADDRESS_REGS as the
2826         preferred class when copying a constant into a partial word register.
2828 2008-08-26  Ben Elliston  <bje@au.ibm.com>
2830         * rtlanal.c: Fix uses of "it's" with "its" where appropriate.
2831         * cp/typeck.c: Likewise.
2832         * cp/tree.c: Likewise.
2833         * gimple-low.c: Likewise.
2834         * jump.c: Likewise.
2836 2008-08-26  Vladimir Makarov  <vmakarov@redhat.com>
2838         * ira-build.c, ira-color.c, ira-costs.c, ira.h, ira-lives.c,
2839         ira.c, ira-conflicts.c, ira-emit.c, ira-int.h: New files.
2841         * doc/passes.texi: Describe IRA.
2843         * doc/tm.texi (IRA_COVER_CLASSES,
2844         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Describe the new macros.
2846         * doc/invoke.texi (ira-max-loops-num): Describe the new parameter.
2847         (-fira, -fira-algorithm, -fira-coalesce, -fno-ira-move-spills,
2848         -fira-propagate-cost, -fno-ira-share-save-slots,
2849         -fno-ira-share-spill-slots, -fira-verbose): Describe new options.
2851         * flags.h (ira_algorithm): New enumeration.
2852         (flag_ira_algorithm, flag_ira_verbose): New external variable
2853         declarations.
2855         * postreload.c (gate_handle_postreload): Don't do post reload
2856         optimizations unless the reload is completed.
2858         * reload.c (push_reload, find_dummy_reload): Use DF_LR_OUT for
2859         IRA.
2861         * tree-pass.h (pass_ira): New external variable declaration.
2863         * reload.h: Add 2008 to the Copyright.
2865         * cfgloopanal.c: Include params.h.
2866         (estimate_reg_pressure_cost): Decrease cost for IRA optimization
2867         mode.
2869         * params.h (IRA_MAX_LOOPS_NUM): New macro.
2871         * toplev.c (ira.h): New include.
2872         (flag_ira_algorithm, flag_ira_verbose): New external variables.
2873         (backend_init_target): Call ira_init.
2874         (backend_init): Call ira_init_once.
2875         (finalize): Call finish_ira_once.
2877         * toplev.h (flag_ira, flag_ira_coalesce, flag_ira_move_spills,
2878         flag_ira_share_save_slots, flag_ira_share_spill_slots): New
2879         external variables.
2881         * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
2882         may_move_out_cost): New external variable declarations.
2883         (move_table): New typedef.
2885         * caller-save.c: Include headers output.h and ira.h.
2886         (no_caller_save_reg_set): New global variable.
2887         (save_slots_num, save_slots): New variables.
2888         (reg_save_code, reg_restore_code, add_stored_regs): Add
2889         prototypes.
2890         (init_caller_save): Set up no_caller_save_reg_set.
2891         (init_save_areas): Reset save_slots_num.
2892         (saved_hard_reg): New structure.
2893         (hard_reg_map, saved_regs_num, all_saved_regs): New variables.
2894         (initiate_saved_hard_regs, new_saved_hard_reg,
2895         finish_saved_hard_regs, saved_hard_reg_compare_func): New
2896         functions.
2897         (setup_save_areas): Add code for sharing stack slots.
2898         (all_blocks): New variable.
2899         (save_call_clobbered_regs): Process pseudo-register too.
2900         (mark_set_regs): Process pseudo-register too.
2901         (insert_one_insn): Put the insn after bb note in a empty basic
2902         block.  Add insn check.
2904         * global.c (eliminable_regset): Make it external.
2905         (mark_elimination): Use DF_LR_IN for IRA.
2906         (pseudo_for_reload_consideration_p): New.
2907         (build_insn_chain): Make it external.  Don't ignore spilled
2908         pseudos for IRA.  Use pseudo_for_reload_consideration_p.
2909         (gate_handle_global_alloc): New function.
2910         (pass_global_alloc): Add the gate function.
2912         * opts.c (decode_options): Set up flag_ira.  Print the warning for
2913         -fira.
2914         (common_handle_option): Process -fira-algorithm and -fira-verbose.
2916         * timevar.def (TV_IRA, TV_RELOAD): New passes.
2918         * regmove.c (regmove_optimize): Don't do replacement of output for
2919         IRA.
2921         * hard-reg-set.h (no_caller_save_reg_set, reg_class_subclasses):
2922         New external variable declarations.
2924         * local-alloc.c (update_equiv_regs): Make it external.  Return
2925         true if jump label rebuilding should be done.  Rescan new_insn for
2926         notes.
2927         (gate_handle_local_alloc): New function.
2928         (pass_local_alloc): Add the gate function.
2930         * alias.c (value_addr_p, stack_addr_p): New functions.
2931         (nonoverlapping_memrefs_p): Use them for IRA.
2933         * common.opt (fira, fira-algorithm, fira-coalesce,
2934         fira-move-spills, fira-share-save-slots, fira-share-spill-slots,
2935         fira-verbose): New options.
2937         * regclass.c (reg_class_subclasses, contains_reg_of_mode,
2938         move_cost, may_move_in_cost, may_move_out_cost): Make the
2939         variables external.
2940         (move_table): Remove typedef.
2941         (init_move_cost): Make it external.
2942         (allocate_reg_info, resize_reg_info, setup_reg_classes): New
2943         functions.
2945         * rtl.h (init_move_cost, allocate_reg_info, resize_reg_info,
2946         setup_reg_classes): New function prototypes.
2947         (eliminable_regset): New external variable declaration.
2948         (build_insn_chain, update_equiv_regs): New function prototypes.
2950         * Makefile.in (IRA_INT_H): New definition.
2951         (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
2952         ira-conflicts.o, ira-color.o, ira-emit.o, and ira-lives.o.
2953         (reload1.o, toplev.o): Add dependence on ira.h.
2954         (cfgloopanal.o): Add PARAMS_H.
2955         (caller-save.o): Add dependence on output.h and ira.h.
2956         (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
2957         ira-emit.o, ira-lives.o): New entries.
2959         * passes.c (pass_ira): New pass.
2961         * params.def (PARAM_IRA_MAX_LOOPS_NUM): New parameter.
2963         * reload1.c (ira.h): Include the header.
2964         (changed_allocation_pseudos): New bitmap.
2965         (init_reload): Initiate the bitmap.
2966         (compute_use_by_pseudos): Permits spilled registers in FROM.
2967         (temp_pseudo_reg_arr): New variable.
2968         (reload): Allocate and free temp_pseudo_reg_arr.  Sort pseudos for
2969         IRA.  Call alter_reg with the additional parameter.  Don't clear
2970         spilled_pseudos for IRA.  Restore original insn chain for IRA.
2971         Clear changed_allocation_pseudos at the end of reload.
2972         (calculate_needs_all_insns): Call IRA's mark_memory_move_deletion.
2973         (hard_regno_to_pseudo_regno): New variable.
2974         (count_pseudo): Check spilled pseudos.  Set up
2975         hard_regno_to_pseudo_regno.
2976         (count_spilled_pseudo): Check spilled pseudos. Update
2977         hard_regno_to_pseudo_regno.
2978         (find_reg): Use better_spill_reload_regno_p.  Check
2979         hard_regno_to_pseudo_regno.
2980         (alter_reg): Set up spilled_pseudos.  Add a new parameter.  Add
2981         code for IRA.
2982         (eliminate_regs_1): Use additional parameter for alter_reg.
2983         (finish_spills): Set up pseudo_previous_regs only for spilled
2984         pseudos.  Call reassign_pseudos once for all spilled pseudos, pass
2985         more arguments.  Don't clear live_throughout and dead_or_set for
2986         spilled pseudos.  Use additional parameter for alter_reg.  Call
2987         mark_allocation_change.  Set up changed_allocation_pseudos.
2988         Remove sanity check.
2989         (emit_input_reload_insns, delete_output_reload): Use additional
2990         parameter for alter_reg.  Call mark_allocation_change.
2991         (substitute, gen_reload_chain_without_interm_reg_p): New
2992         functions.
2993         (reloads_conflict): Use gen_reload_chain_without_interm_reg_p.
2995         * testsuite/gcc.dg/20080410-1.c: New file.
2997         * config/s390/s390.h (IRA_COVER_CLASSES,
2998         IRA_HARD_REGNO_ADD_COST_MULTIPLIER): Define.
3000         * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
3002         * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
3004         * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
3006         * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
3008         * config/arm/arm.h (IRA_COVER_CLASSES): Ditto.
3010         * config/alpha/alpha.h (IRA_COVER_CLASSES): Ditto.
3012         2008-08-24  Jeff Law  <law@redhat.com>
3013         * ira.c (setup_reg_class_intersect_union): Prefer smallest class
3014         when ignoring unavailable registers.
3016         2008-08-24  Jeff Law  <law@redhat.com>
3017         * ira-color.c (coalesced_pseudo_reg_slot_compare): Check
3018         FRAME_GROWS_DOWNWARD and STACK_GROWS_DOWNWARD.
3019         * ira.c (setup_eliminable_regset): Check stack_realign_needed.
3020         * config/mn10300/mn10300.h (IRA_COVER_CLASSES): New macro.
3022         2008-06-03 Steve Chamberlain <steve.chamberlain@gmail.com>
3023         * ira-build.c (allocno_range_compare_func): Stabilize sort.
3025         2008-05-29 Andy Hutchinson <hutchinsonandy@aim.com>
3026         * config/avr/avr.h (IRA_COVER_CLASSES): New macro.
3027         * reload1.c (find_reg): Process registers in register allocation order.
3029         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
3030         * toplev.c (backend_init_target): Move ira_init call from
3031         here...
3032         (lang_dependent_init_target): ...to here.
3034         2008-05-10 Richard Sandiford <rsandifo@nildram.co.uk>
3035         * ira.c (setup_class_subset_and_memory_move_costs): Don't
3036         calculate memory move costs for NO_REGS.
3038         2008-05-05 Kaz Kojima <kkojima@gcc.gnu.org>
3039         * ira-color.c (ira_fast_allocation): Use no_stack_reg_p only if
3040         STACK_REGS is defined.
3042         2008-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
3043         * config/spu/spu.h (IRA_COVER_CLASSES): New macro.
3045         2008-04-04 Bernd Schmidt <bernd.schmidt@analog.com>
3046         * config/bfin/bfin.h (IRA_COVER_CLASSES): New macro.
3048         2008-04-04 Kaz Kojima <kkojima@gcc.gnu.org>
3049         * config/sh/sh.h (IRA_COVER_CLASSES): Define.
3050         * config/sh/sh.md (movsicc_true+3): Check if emit returns a
3051         barrier.
3053 2008-08-26  Victor Kaplansky  <victork@il.ibm.com>
3054             Dorit Nuzman  <dorit@il.ibm.com>
3056         * gcc/config/spu/spu.md (vec_extract_evenv4si,
3057         vec_extract_evenv4sf, vec_extract_evenv8hi,
3058         vec_extract_evenv16qi, vec_extract_oddv4si,
3059         vec_extract_oddv4sf, vec_extract_oddv8hi, vec_extract_oddv16qi,
3060         vec_interleave_highv4sf, vec_interleave_lowv4sf,
3061         vec_interleave_highv4si, vec_interleave_lowv4si,
3062         vec_interleave_highv8hi, vec_interleave_lowv8hi,
3063         vec_interleave_highv16qi, vec_interleave_lowv16qi,
3064         vec_pack_trunc_v8hi, vec_pack_trunc_v4si): Implement.S
3066 2008-08-25  Janis Johnson  <janis187@us.ibm.com>
3068         PR target/36756
3069         * config/rs6000/rs6000.c (optimization_options): Don't default to
3070         section anchors without toplevel reorder.
3072 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3074         * config/spu/spu_mfcio.h (mfc_begin_critical_section): New function.
3075         (mfc_end_critical_section): Likewise.
3077 2008-08-25  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3079         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Propagate
3080         all type qualifiers from element type to vector type.
3082 2008-08-25  David Daney  <ddaney@avtrex.com>
3084         * config/mips/mips.md (immediate_insn): Move up in file, fix
3085         comment typo, reformat.
3086         (fetchop_bit, atomic_hiqi_op memory_barrier,
3087         sync_compare_and_swap<mode>, compare_and_swap_12, sync_add<mode>,
3088         sync_<optab><mode>, sync_<optab>_12, sync_old_<optab><mode>,
3089         sync_old_<optab>_12, sync_new_<optab><mode>, sync_new_<optab>_12,
3090         sync_nand<mode>, sync_nand_12, sync_old_nand<mode>,
3091         sync_old_nand_12, sync_new_nand<mode>, sync_new_nand_12,
3092         sync_sub<mode>, sync_old_add<mode>, sync_old_sub<mode>,
3093         sync_new_add<mode>, sync_new_sub<mode>, sync_<optab><mode>,
3094         sync_old_<optab><mode>, sync_new_<optab><mode>, sync_nand<mode>,
3095         sync_old_nand<mode>, sync_new_nand<mode>,
3096         sync_lock_test_and_set<mode>, sync_lock_test_and_set<mode>,
3097         test_and_set_12): Moved to sync.md.
3098         (sync.md): Include.
3099         * config/mips/sync.md: New file.
3101 2008-08-25  Richard Henderson  <rth@redhat.com>
3103         * dwarf2out.c (def_cfa_1): Don't scale by DWARF_CIE_DATA_ALIGNMENT.
3104         (regsave): Likewise.
3105         (lookup_cfa_1): Don't rescale by DWARF_CIE_DATA_ALIGNMENT.
3106         (output_cfi_directive): Likewise.
3107         (div_data_align): New.
3108         (output_cfi): Use it.
3110 2008-08-24  Adam Nemet  <anemet@caviumnetworks.com>
3112         * config.gcc (mips64*-*-linux*): Handle mips64octeon*-*-linux*.
3113         * config/mips/mips.h (enum processor_type): Add PROCESSOR_OCTEON.
3114         (TARGET_OCTEON): New macro.
3115         (TARGET_CPU_CPP_BUILTINS): Define __OCTEON__ for Octeon.
3116         (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC): Handle -march=octeon.
3117         (ISA_HAS_POP): New macro.
3118         * config/mips/driver-native.c (host_detect_local_cpu): Handle
3119         Octeon.
3120         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
3121         Handle Octeon.
3122         * config/mips/mips.md (cpu): Add octeon.
3123         (type): Add pop attribute value.
3124         (popcount<mode>2): New pattern.
3125         * doc/invoke.texi (-march=@var{arch}): Add octeon.
3127 2008-08-24  Jan Hubicka  <jh@suse.cz>
3129         * doc/invoke.texi (-fipa-cp-clone): New option.
3130         (-fipa-cp): Update docs.
3131         (--param ipcp-unit-growth):New.
3132         * ipa-cp.c: Include fibheap.h, params.h
3133         (ipcp_initialize_node_lattices): When not cloning, all externally
3134         visible functions are bottom.
3135         (ipcp_need_redirect_p): Accept clones.
3136         (ipcp_insert_stage): Use cost driven heuristics.
3137         (max_count, dead_nodes): New static vars.
3138         (ipcp_need_original_clone_p, ipcp_estimate_cloning_cost,
3139         ipcp_const_param_count): New functions.
3140         * common.opt (ipa-cp-clone): New command line option.
3141         * params.def (ipcp-unit-growth): New.
3143 2008-08-24  Jan Hubicka  <jh@suse.cz>
3145         * tree-inline.c (tree_function_versioning): Look harder
3146         for referenced vars.
3148 2008-08-24  Razya Ladelsky  <razya@il.ibm.com>
3150         PR tree-optimization/37185
3151         * matrix-reorg.c (transform_access_sites): Update changed stmt.
3153 2008-08-23  Jan Hubicka  <jh@suse.cz>
3155         * ipa-cp.c (ipcp_analyze_node): New function.
3156         (ipcp_update_cloned_node): Use it.
3157         (ipcp_init_stage): Likewise.
3158         * ipa-inline.c (function_insertion_hook_holder): New static var.
3159         (analyze_function): Break out from ....
3160         (inline_generate_summary): Here; register insertion hook.
3161         (cgraph_decide_inlining): Remove hook.
3162         (add_new_function): New function.
3164 2008-08-23  Jan Hubicka  <jh@suse.cz>
3166         * opts.c (decode_options): Revert accidental change enabling ipa-cp.
3168 2008-08-23  Jan Hubicka  <jh@suse.cz>
3170         * ipa-cp.c (constant_val_insert): Remove.
3171         (ipcp_propagate_one_const): Remove.
3172         (ipcp_create_replace_map): Always insert replacements to the map.
3173         (ipcp_insert_stage): Do not try to insert statements by hand.
3174         * tree-inline.c (insert_init_stmt): Break out from ...
3175         (setup_one_parameter): ... here; allow NULL BB pointer.
3176         (tree_function_versioning): Use setup_one_parameter to process
3177         replacement map.
3179 2008-08-23  Jan Hubicka  <jh@suse.cz>
3181         * tree.c (decl_address_ip_invariant_p): New function.
3182         * tree.h (decl_address_ip_invariant_p): Declare.
3183         * gimple.c (strip_invariant_refs): Break out from ...
3184         (is_gimple_invariant_address): ... here
3185         (is_gimple_ip_invariant_address): New function.
3186         (is_gimple_ip_invariant): New function.
3187         * gimple.h (is_gimple_ip_invariant_address, is_gimple_ip_invariant):
3188         Declare.
3190         * ipa-cp.c (ipcp_lat_is_const): Remove handling of IPA_CONST_VALUE_REF.
3191         (ipcp_lat_is_insertable): All constants are insertable.
3192         (ipcp_lattice_from_jfunc, ipcp_print_all_lattices): Remove handling of
3193         IPA_CONST_VALUE_REF.
3194         (ipcp_initialize_node_lattices): Propagate all types of operands.
3195         (build_const_val): Do not handle IPA_CONST_VALUE_REF.
3196         (ipcp_create_replace_map): Reformat.
3197         (ipcp_need_redirect_p): Simplify.
3198         (ipcp_insert_stage): Check that argument is used before clonning.
3199         * ipa-prop.c (ipa_print_node_jump_functions): Do not handle IPA_CONST_REF.
3200         (compute_scalar_jump_functions): Simplify using is_gimple_ip_invariat.
3201         (determine_cst_member_ptr): Keep wrapping ADDR_EXPR of members.
3202         (update_call_notes_after_inlining): Expect ADDR_EXPR in operand.
3203         * ipa-prop.h (jump_func_type): Remove IPA_CONST_REF.
3204         (jump_func_type): Remove IPA_CONST_VALUE_REF.
3205         * tree-inline.c (tree_function_versioning): Add variables referenced by
3206         replacing trees.
3208 2008-08-23  Jan Hubicka  <jh@suse.cz>
3210         PR target/37094
3211         * i386.c (standard_80387_constant_p): Use optimize_size.
3213 2008-08-23  Ira Rosen  <irar@il.ibm.com>
3215         PR tree-optimization/37161
3216         * tree-vectorizer.h (vect_get_smallest_scalar_type): Declare.
3217         * tree-vect-analyze.c (vect_get_smallest_scalar_type): New function.
3218         (vect_determine_vectorization_factor): Move the scalar type
3219         retrieval to vect_get_smallest_scalar_type.
3220         (vect_build_slp_tree): Call vect_get_smallest_scalar_type to get
3221         scalar type. Remove redundant computation.
3222         * tree-vect-transform.c (vect_get_constant_vectors): Add argument.
3223         (vect_get_slp_defs): Take the type of RHS into account if
3224         necessary by calling vect_get_smallest_scalar_type. Call
3225         vect_get_constant_vectors with additional argument.
3227 2008-08-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3229         PR 35648
3230         * doc/invoke.texi (Wwrite-strings): Clarify description.
3232 2008-08-23  Ira Rosen  <irar@il.ibm.com>
3234         PR tree-optimization/37174
3235         * tree-vect-analyze.c (vect_get_and_check_slp_defs): Check that the
3236         def stmt is a part of the loop before accessing its stmt_vec_info.
3238 2008-08-22  Anatoly Sokolov  <aesok@post.ru>
3240         PR target/11259
3241         * config/avr/avr.md (UNSPEC_SWAP): New constants.
3242         (*swap): New insn pattern.
3243         (*ashlqi3): Rename from ashlqi3 insn pattern.
3244         (ashlqi3): New expanders.
3245         (*lshrqi3): Rename from lshrqi3 insn pattern.
3246         (lshrqi3): New expanders.
3247         (ashlqi3_const4, ashlqi3_const5, ashlqi3_const6, lshrqi3_const4,
3248         lshrqi3_const5, lshrqi3_const6): New splitters.
3249         (andi, ashlqi3_l_const4, ashlqi3_l_const5, ashlqi3_l_const6,
3250         lshrqi3_l_const4, lshrqi3_l_const5, lshrqi3_l_const6): Define
3251         peephole2 patterns.
3253 2008-08-22  Richard Guenther  <rguenther@suse.de>
3255         PR tree-optimization/37078
3256         * tree-vrp.c (extract_range_from_unary_expr): Avoid generating
3257         [+INF, +INF] ranges.
3259 2008-08-22  Richard Guenther  <rguenther@suse.de>
3261         PR tree-optimization/37143
3262         * tree-vect-transform.c (vect_create_cond_for_align_checks): Build
3263         a conversion statement instead of a copy.
3265 2008-08-22  Uros Bizjak  <ubizjak@gmail.com>
3267         PR target/37184
3268         * config/i386/i386.c (ix86_match_ccmode): Handle CCAmode,
3269         CCCmode, CCOmode and CCSmode destination modes.
3271         PR target/37191
3272         * config/i386/mmx.md (*vec_extractv2sf_0): Avoid combining registers
3273         from different units in a single alternative.
3274         (*vec_extractv2sf_1): Ditto.
3275         (*vec_extractv2si_0): Ditto.
3276         (*vec_extractv2si_1): Ditto.
3277         * config/i386/sse.md (sse2_storehpd): Ditto.
3278         (sse2_storelpd): Ditto.
3279         (sse2_loadhpd): Ditto.
3280         (sse2_loadlpd): Ditto.
3282         PR target/37197
3283         * config/i386/i386.md (clzsi2_abm): Fix operand 1 constraints.
3284         (popcountsi2): Ditto.
3285         (clzdi2_abm): Ditto.
3286         (popcountdi2): Ditto.
3287         (clzhi2_abm): Ditto.
3288         (popcounthi2): Ditto.
3290 2008-08-22  Richard Guenther  <rguenther@suse.de>
3292         PR middle-end/36548
3293         PR middle-end/37125
3294         * fold-const.c (extract_muldiv_1): Optimize (X * C1) % C2 only
3295         if the multiplication does not overflow.
3297 2008-08-21  Nathan Sidwell  <nathan@codesourcery.com>
3299         * c-ppoutput.c (init_pp_output): Initialize src_line to 1.
3301 2008-08-21  Richard Henderson  <rth@redhat.com>
3303         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Remove
3304         spurrious comma from test.
3305         * configure: Rebuild.
3307 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3309         PR 30457
3310         * builtins.c (fold_builtin_next_arg): Add warning about undefined
3311         behaviour.
3313 2008-08-21  Aldy Hernandez  <aldyh@redhat.com>
3315         * c-tree.h (grokfield): New argument.
3316         * c-decl.c (grokfield): Handle new location argument.
3317         * c-parser.c (c_parser_struct_declaration): Pass location to
3318         grokfield.
3320 2008-08-21  Richard Guenther  <rguenther@suse.de>
3322         * tree-ssa-ccp.c (ccp_fold): Fold VIEW_CONVERT_EXPRs of constants.
3324 2008-08-21  Jan Hubicka  <jh@suse.cz>
3326         * cgraph.c (first_cgraph_function_insertion_hook): New variable.
3327         (cgraph_add_function_insertion_hook,
3328         cgraph_remove_function_insertion_hook,
3329         cgraph_call_function_insertion_hooks): New functions.
3330         * cgraph.h (cgraph_add_function_insertion_hook,
3331         cgraph_remove_function_insertion_hook,
3332         cgraph_call_function_insertion_hooks): Declare.
3333         * ipa-reference.c (function_insertion_hook_holder): New variable.
3334         (check_operand, look_for_address_of): When checking late, do not care
3335         about module bitmaps.
3336         (add_new_function): New function.
3337         (generate_summary): Register hooks; zero module bitmaps.
3338         (propagate): Unregister hooks.
3339         * ipa-pure-const.c (function_insertion_hook_holder): New variable.
3340         (add_new_function): New function.
3341         (generate_summary): Register hook.
3342         (propagate): Remove hook.
3344         * ipa-cp.c (ipcp_need_redirect_p): Fix to not be constant 0.
3346         * tree-pass.h (pass_ipa_cp): Make ipa_opt_pass.
3347         * ipa-cp.c (ipcp_update_cloned_node): New function.
3348         (build_const_val): Handle functions correctly; bring type logic
3349         into sync with tree-inline.c
3350         (ipcp_init_stage):  Take care of computing stuff needed by
3351         indirect inlining; update clones.
3352         (ipcp_generate_summary): Break out of ipcp_driver.
3353         (ipcp_driver): Do only execution and transformation.
3354         (pass_ipa_cp): Make IPA_PASS.
3355         * tree-ssa-ccp.c (fold_stmt_r): Check type before trying to fold
3356         offset to address.
3357         * ipa-inline.c (inline_indirect_intraprocedural_analysis): When doing
3358         ipcp, some info is already available.
3359         * ipa-prop.c (ipa_count_arguments): Grow edge lists as needed.
3360         * tree-inline.c (remap_ssa_name): Unshare expression.
3362 2008-08-21  Richard Guenther  <rguenther@suse.de>
3364         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
3365         a PHI ask VN if it is already available.
3366         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
3367         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
3369 2008-08-21  Richard Guenther  <rguenther@suse.de>
3371         PR middle-end/36817
3372         * tree-chrec.c (chrec_apply): Always call chrec_fold_plus which
3373         makes sure to produce a result of the correct type.
3375 2008-08-21  Jan Hubicka  <jh@suse.cz>
3376         Backport from LTO branch:
3378         2008-05-05  Kenneth Zadeck <zadeck@naturalbridge.com>
3379                     Jan Hubicka  <jh@suse.cz>
3381         * ipa-pure-const.c
3382         (init_state, finish_state, set_function_state, generate_summary):
3383         New functions.
3384         (scan_stmt): Renamed from scan_function.  Changed to keep state in
3385         local static vars rather than cgraph aux field.
3386         (propagate): Renamed from static_execute. Changed to keep state in
3387         local static vars rather than cgraph aux field.
3388         (pass_ipa_pure_const): Changed from SIMPLE_IPA_PASS to IPA_PASS.
3389         * tree-pass.h (pass_ipa_pure_const): Turn into IPA_PASS.
3391         2008-07-15  Kenneth Zadeck <zadeck@naturalbridge.com>
3393         * tree-pass.h (pass_ipa_reference): Make into ipa_opt_pass.
3394         * ipa-reference.c (init_function_info, generate_summary,
3395         propagate): New functions.
3396         (analyze_function):  Call init_function_info.
3397         (static_execute): Stripped into generate_summary and propagate.
3398         (pass_ipa_reference): Made into ipa_opt_pass.
3400 2008-08-21  Richard Guenther  <rguenther@suse.de>
3402         PR tree-optimization/37181
3403         * tree-vrp.c (extract_range_from_binary_expr): Check for NULL
3404         folding result.
3405         (extract_range_from_unary_expr): Likewise.
3407 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3409         * diagnostic.c (pedwarn_at): Rename as pedwarn.
3410         (pedwarn): Delete.
3411         * toplev.h (pedwarn_at): Likewise.
3412         * builtins.c: Update all calls to pedwarn.
3413         * c-lex.c: Likewise.
3414         * toplev.c: Likewise.
3415         * c-tree.h: Likewise.
3416         * c-decl.c: Likewise.
3417         * c-errors.c: Likewise.
3418         * c-typeck.c: Likewise.
3419         * c-common.c: Likewise.
3420         * c-parser.c: Likewise.
3422 2008-08-20  Joseph Myers  <joseph@codesourcery.com>
3424         PR target/31070
3425         * config/sparc/sparc.c (function_arg_slotno): Handle structure
3426         with MODE_VECTOR_INT mode.
3428 2008-08-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430         PR middle-end/179
3431         * tree-ssa.c (warn_uninit): Do not warn for variables that can be
3432         initialized outside the current module.
3433         (warn_uninitialized_var): Ignore left-hand side when walking the
3434         trees. Ignore address expressions. Examine VUSE operands in gimple
3435         statements with a variable declaration on the right-hand side.
3437 2008-08-20  Richard Sandiford  <rdsandiford@googlemail.com>
3439         PR bootstrap/37155
3440         * rtlanal.c (subreg_offset_representable_p): Revert last change.
3442 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3444         PR 35701
3445         * c-common.c (conversion_warning): Do not warn if applying bit-and
3446         operator to unsigned constant that fits in the target type.
3448 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3450         PR c++/35602
3451         * c-common.c (conversion_warning): Do not warn for artificial
3452         expressions.
3454 2008-08-20  Richard Guenther  <rguenther@suse.de>
3456         * tree-vrp.c (op_with_constant_singleton_value_range): New function.
3457         (extract_range_from_binary_expr): Fall back to constant propagation.
3458         (extract_range_from_unary_expr): Likewise.
3460 2008-08-20  Richard Guenther  <rguenther@suse.de>
3462         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Do not mess
3463         with TREE_THIS_VOLATILE on shared nodes.
3464         (fold_stmt_r): Likewise.
3466 2008-08-20  Jakub Jelinek  <jakub@redhat.com>
3468         PR c/37171
3469         * c-parser.c (c_parser_attributes): For keywords use canonical
3470         spelling for attr_name.
3472 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3474         * value-prof.c (check_counter): Revert wrong call to error.
3476 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3478         * profile.c: Update calls to inform.
3479         * value-prof.c: Update calls to inform.
3481 2008-08-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3483         * diagnostic.c (inform): Add an explicit location_t parameter.
3484         * toplev.h (inform): Update declaration.
3485         * builtins.c: Update all calls to inform.
3486         * c-common.c: Likewise.
3487         * c-decl.c: Likewise.
3488         * c-opts.c: Likewise.
3489         * c-pch.c: Likewise.
3490         * c-pragma.c: Likewise.
3491         * c-typeck.c: Likewise.
3492         * coverage.c: Likewise.
3493         * opts.c: Likewise.
3494         * toplev.c: Likewise.
3495         * tree-cfg.c: Likewise.
3496         * tree-ssa.c: Likewise.
3498 2008-08-20  H.J. Lu  <hongjiu.lu@intel.com>
3500         PR target/37169
3501         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): In
3502         V2DI mode, for SSE4.1, use movq instead of vector set if the
3503         second element is zero and inter-unit moves are OK.
3505 2008-08-20  Richard Guenther  <rguenther@suse.de>
3507         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): More
3508         properly handle conversion/copy chains after tuplification.
3510 2008-08-20  Richard Guenther  <rguenther@suse.de>
3512         * passes.c (init_optimization_passes): Move the second
3513         forwprop pass before alias computation.  Remove the second
3514         DCE pass.  Remove the first dominator and phi copy/const
3515         prop passes.
3517 2008-08-20  Nick Clifton  <nickc@redhat.com>
3519         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Always test for assembler
3520         support of this feature.  Do not assume that a sufficiently new
3521         assembler will support the feature regardless of the target type.
3522         (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): Likewise.
3523         * configure: Regenerate.
3525 2008-08-20  Richard Guenther  <rguenther@suse.de>
3527         * tree-vrp.c (found_in_subgraph): Remove.
3528         (live): New global static.
3529         (live_on_edge): New function.
3530         (blocks_visited): Remove.
3531         (register_edge_assert_for_2): Use live_on_edge.
3532         (find_conditional_asserts): Remove code dealing with
3533         found_in_subgraph.  Do not walk the CFG.
3534         (find_switch_asserts): Likewise.
3535         (find_assert_locations_1): Renamed from find_assert_locations.
3536         Move finding assert locations for conditional and switch
3537         statements first.  Update live bitmap.  Do not walk the CFG.
3538         (find_assert_locations): New function.
3539         (insert_range_assertions): Remove entry of CFG walk.
3540         Adjust call to find_assert_locations.
3541         * tree-ssa-pre.c (do_regular_insertion): Ignore critical edges
3542         that only can appear because of fake exit edges but assert we
3543         never try to insert on those.
3544         (fini_pre): Do not remove fake exit edges here...
3545         (execute_pre): ...but here, before committing edge inserts.
3547 2008-08-19  Richard Guenther  <rguenther@suse.de>
3549         * passes.c (init_optimization_passes): Exchange store-ccp
3550         with a ccp pass.
3552 2008-08-19  Rafael Espindola  <espindola@google.com>
3554         * varasm.c (weak_decls): Move earlier in the file.
3555         (assemble_external): Add weak decls to the weak_decls list.
3556         (declare_weak): Don't add decls to the weak_decls list.
3558 2008-08-19  H.J. Lu  <hongjiu.lu@intel.com>
3560         PR target/37157
3561         * config/i386/sse.md (sse2_punpckhqdq, sse2_punpcklqdq): Moved
3562         before (sse2_shufpd_<mode>).
3564 2008-08-19  Jakub Jelinek  <jakub@redhat.com>
3566         PR debug/37156
3567         * pretty-print.c (pp_base_format): Deal with recursive BLOCK trees.
3568         * tree.c (block_nonartificial_location): Likewise.
3570 2008-08-19  Richard Guenther  <rguenther@suse.de>
3572         PR tree-optimization/35972
3573         PR tree-optimization/23094
3574         * tree-ssa-sccvn.h (vn_reference_lookup_pieces): Add maywalk
3575         parameter.
3576         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Properly
3577         handle MISALIGNED_INDIRECT_REF.
3578         (get_ref_from_reference_ops): New helper.
3579         (vn_reference_lookup_pieces): Walk the use-def chain using the
3580         alias-oracle if requested.
3581         * tree-ssa-pre.c (phi_translate_1): Do reference lookup with
3582         walking the use-def chain.
3583         (compute_avail): But not here.
3584         (create_component_ref_by_pieces_1): Properly handle
3585         MISALIGNED_INDIRECT_REF.
3586         (do_regular_insertion): Handle fully redundant
3587         expressions after PHI-translation also for SSA_NAME values, not
3588         only constants.  Correctly use edoubleprime for that.
3590 2008-08-19  Ira Rosen  <irar@il.ibm.com>
3592         * tree-vectorizer.c (supportable_widening_operation): Support
3593         multi-step conversion, return the number of steps in such conversion
3594         and the required intermediate types.
3595         (supportable_narrowing_operation): Likewise.
3596         * tree-vectorizer.h (vect_pow2): New function.
3597         (supportable_widening_operation): Change argument types.
3598         (supportable_narrowing_operation): Likewise.
3599         (vectorizable_type_promotion): Add an argument.
3600         (vectorizable_type_demotion): Likewise.
3601         * tree-vect-analyze.c (vect_analyze_operations): Call
3602         vectorizable_type_promotion and vectorizable_type_demotion with
3603         additional argument.
3604         (vect_get_and_check_slp_defs): Detect patterns.
3605         (vect_build_slp_tree): Add an argument, don't fail in case of multiple
3606         types.
3607         (vect_analyze_slp_instance): Don't fail in case of multiple types. Call
3608         vect_build_slp_tree with correct arguments. Calculate unrolling factor
3609         according to the smallest type in the loop.
3610         (vect_detect_hybrid_slp_stmts): Include statements from patterns.
3611         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Call
3612         supportable_widening_operation with correct arguments.
3613         * tree-vect-transform.c (vect_get_slp_defs): Allocate output vector
3614         operands lists according to the number of vector statements in left
3615         or right node, if exists.
3616         (vect_gen_widened_results_half): Remove unused argument.
3617         (vectorizable_conversion): Call supportable_widening_operation,
3618         supportable_narrowing_operation, and vect_gen_widened_results_half
3619         with correct arguments.
3620         (vectorizable_assignment): Change documentation, support multiple
3621         types in SLP.
3622         (vectorizable_operation): Likewise.
3623         (vect_get_loop_based_defs): New function.
3624         (vect_create_vectorized_demotion_stmts): Likewise.
3625         (vectorizable_type_demotion): Support loop-aware SLP and general
3626         multi-step conversion. Call vect_get_loop_based_defs and
3627         vect_create_vectorized_demotion_stmts for transformation.
3628         (vect_create_vectorized_promotion_stmts): New function.
3629         (vectorizable_type_promotion): Support loop-aware SLP and general
3630         multi-step conversion. Call vect_create_vectorized_promotion_stmts
3631         for transformation.
3632         (vectorizable_store): Change documentation, support multiple
3633         types in SLP.
3634         (vectorizable_load): Likewise.
3635         (vect_transform_stmt): Pass SLP_NODE to
3636         vectorizable_type_promotion and vectorizable_type_demotion.
3637         (vect_schedule_slp_instance): Move here the calculation of number
3638         of vectorized statements for each node from...
3639         (vect_schedule_slp): ... here.
3640         (vect_transform_loop): Call vect_schedule_slp without the last
3641         argument.
3643 2008-08-19  Dorit Nuzman  <dorit@il.ibm.com>
3645         PR bootstrap/37152
3646         * tree-vect-transform.c (vect_create_epilog_for_reduction): Change =
3647         to == in assert statement.
3648         (vectorizable_reduction): Fix typo.
3650 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3652         PR bootstrap/37153
3653         * value-prof.c (check_counter): Dereference pointer to overall
3654         count when printing it.
3656 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3658         * profile.h: Really add it.
3660 2008-08-18  H.J. Lu  <hongjiu.lu@intel.com>
3662         * mcf.c: Really add it.
3664 2008-08-18  Paul Yuan  <yingbo.com@gmail.com>
3665             Vinodha Ramasamy  <vinodha@google.com>
3667         * cgraph.c (cgraph_edge): Handle inconsistent counts when setting
3668         count_scale.
3669         * value-prof.c (check_counter): Fix the counter if
3670         flag_profile_correction is true.
3671         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3672         tree_mod_subtract_transform):
3673         Follow check_counter parameter change.
3674         * common.opt (fprofile-correction): New option.
3675         * mcf.c: New file.
3676         * profile.h: Likewise.
3677         * profile.c (edge_info, EDGE_INFO): Moved to new file profile.h.
3678         (sum_edge_counts, is_edge_inconsistent, correct_negative_edge_counts,
3679         is_inconsistent, set_bb_counts, read_profile_edge_counts): New
3680         functions.
3681         (compute_branch_probabilities): Refactored. Invokes mcf_smooth_cfg if
3682         flag_profile_correction is set.
3684 2008-08-18  Richard Sandiford  <rdsandiford@googlemail.com>
3686         * rtlanal.c (subreg_offset_representable_p): Check HARD_REGNO_MODE_OK.
3688 2008-08-18  Tomas Bily  <tbily@suse.cz>
3690         * tree.h (IS_CONVERT_EXPR_CODE_P): Renamed to CONVERT_EXPR_CODE_P.
3691         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Use
3692         CONVERT_EXPR_P.
3693         * tree-data-ref.c (split_constant_offset_1): Likewise.
3694         * tree-inline.c (estimate_operator_cost): Use CASE_CONVERT.
3695         * tree-sra.c (sra_walk_expr): Likewise.
3696         * matrix-reorg.c (ssa_accessed_in_assign_rhs): Likewise.
3697         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
3698         * gimple.h (gimple_assign_cast_p): Use CONVERT_EXPR_CODE_P.
3699         * tree-ssa-structalias.c (find_func_aliases, find_func_aliases):
3700         Likewise.
3701         * gimple.c (gimple_assign_unary_nop_p): Likewise.
3702         * tree-vect-transform.c (vectorizable_type_demotion)
3703         (vectorizable_type_promotion): Likewise.
3704         * tree-inline.c (expand_call_inline):
3705         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
3706         (forward_propagate_addr_expr_1, forward_propagate_comparison)
3707         (tree_ssa_forward_propagate_single_use_vars): Likewise.
3708         * expr.c (expand_expr_real_1): Likewise.
3709         * tree-ssa-dom.c (hashable_expr_equal_p, iterative_hash_hashable_expr)
3710         (gimple_assign_unary_useless_conversion_p): Likewise.
3711         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
3712         * tree-ssa-ccp.c (ccp_fold, fold_gimple_assign): Likewise.
3713         * fold-const.c (fold_unary): Likewise.
3714         * tree.h (CONVERT_EXPR_P): Likewise.
3715         * tree.c (simple_cst_equal, iterative_hash_expr): Likewise.
3716         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
3717         * tree-vrp.c:
3718         (register_edge_assert_for_2, extract_range_from_unary_expr)
3719         (register_edge_assert_for_1): Likewise.
3721 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3723         * real.h (dconst_e, dconst_third, dconst_sqrt2, dconst_e_ptr,
3724         dconst_third_ptr, dconst_sqrt2_ptr): Declare.
3725         (enum real_value_const): Delete.
3726         (get_real_const): Delete.
3727         * real.c (get_real_const): Delete.
3728         (dconst_e_ptr): Define.
3729         (dconst_third_ptr): Define.
3730         (dconst_sqrt2_ptr): Define.
3731         * builtins.c: Update all callers.
3733 2008-08-18  Richard Guenther  <rguenther@suse.de>
3735         * tree-ssa-reassoc.c (reassociate_bb): Properly reset the
3736         statement iterator after statement removal.
3738 2008-08-18  Andreas Tobler  <a.tobler@schweiz.org>
3740         * config/rs6000/driver-rs6000.c (detect_caches_freebsd): New function.
3741         (detect_processor_freebsd): Likewise.
3742         (host_detect_local_cpu): Call newly added functions for FreeBSD.
3744 2008-08-18  Richard Guenther  <rguenther@suse.de>
3746         * tree-cfg.c (verify_types_in_gimple_assign): Verify copies
3747         and loads have the correct types.
3749 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3751         PR cpp/7263
3752         * c-opts.c (cpp_opts): Remove static.
3753         * c-parser.c (cpp_opts): Declare it extern.
3754         (disable_extension_diagnostics): Handle cpp options.
3755         (enable_extension_diagnostics): Likewise.
3757 2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3759         * diagnostics.c (permerror_at): Rename as permerror.
3760         (permerror): Delete.
3761         * toplev.h: Likewise.
3763 2008-08-18  Richard Guenther  <rguenther@suse.de>
3765         * passes.c (init_optimization_passes): Remove cleanup_cfg1,
3766         sdse1 and addressables2 passes.  Replace dce1 with cddce1.
3767         Move call_cdce before build_alias.  Move copyrename2,
3768         cunrolli and ccp2 beafore build_alias.  Re-add addressable2
3769         right after final inlining.
3770         * tree-cfg.c (build_gimple_cfg): Do not dump function here.
3771         (pass_build_cfg): But instead via TODO_dump_func.
3773 2008-08-18  Richard Guenther  <rguenther@suse.de>
3775         * tree-sra.c (generate_element_init_1): Deal with NULL constructor
3776         element index.
3777         (scalarize_init): If we failed to generate some initializers
3778         do not generate zeros for not instantiated members.  Instead
3779         rely on the copy out.
3780         * tree-ssa-operands.c (get_addr_dereference_operands): Warn
3781         about missing flow-sensitive alias info only if we have
3782         aliases computed.
3784 2008-08-17  Nick Clifton  <nickc@redhat.com>
3786         * doc/extend.texi (Function Attributes): Fix typo in description
3787         if hot function attribute.
3789 2008-08-17  Daniel Jacobowitz  <dan@codesourcery.com>
3790             Richard Sandiford  <rdsandiford@googlemail.com>
3792         * doc/install.texi (--with-mips-plt): Document.
3793         * doc/invoke.texi (-mplt, -mno-plt): Document.
3794         * config.gcc (mips*-*-*): Add mips-plt to supported_defaults
3795         and handle ${with_mips_plt}.
3796         * config/mips/mips.opt (mplt): New option.
3797         * config/mips/mips.h (TARGET_ABICALLS_PIC0): New macro.
3798         (TARGET_ABICALLS_PIC2): Likewise.
3799         (TARGET_GPWORD): Return false for TARGET_ABSOLUTE_ABICALLS.
3800         (OPTION_DEFAULT_SPECS): Add a mips-plt entry.
3801         (ASM_SPEC): Use !mabi=* instead of !mabi*.
3802         (MIPS_CALL): Use TARGET_ABICALLS_PIC2 instead of TARGET_ABICALLS
3803         to decide whether to output ".option picX" directives.
3804         * config/mips/linux.h (SUBTARGET_ASM_SPEC): Remove -mabi=64 handling.
3805         Pass -call_nonpic rather than -KPIC for -mplt.
3806         (BASE_DRIVER_SELF_SPECS): Remove -mplt if -mno-shared is not present
3807         on the command line.  Also remove it when -mabi=64 is used without
3808         -msym32.
3809         * config/mips/linux64.h (SUBTARGET_ASM_SPEC): Delete.
3810         * config/mips/mips.c (mips_use_pic_fn_addr_reg_p): Handle
3811         TARGET_ABICALLS_PIC0.
3812         (mips_classify_symbol): Use TARGET_ABICALLS_PIC2 instead of
3813         TARGET_ABICALLS.
3814         (mips16_build_function_stub): Only output ".option pic" directives
3815         and PIC stubs if TARGET_ABICALLS_PIC2.  Call through $25 instead of $1.
3816         (mips16_build_call_stub): Fix comment and remove redundant
3817         ".set at"/"set .noat" directives.
3818         (mips_function_rodata_section): Use the default behaviour for
3819         TARGET_ABSOLUTE_ABICALLS.
3820         (mips_file_start): Emit ".option pic0" for TARGET_ABICALLS_PIC0.
3821         (mips_global_pointer): Handle TARGET_ABICALLS_PIC0.
3822         (mips_restore_gp): Do nothing if the current function doesn't use
3823         a global pointer.
3824         (mips_expand_prologue): Only save $gp if the current function uses it.
3825         Use a normal move for TARGET_ABICALLS_PIC0.
3826         (mips_override_options): Only set flag_pic if TARGET_ABICALLS_PIC2.
3828 2008-08-17  Richard Sandiford  <rdsandiford@googlemail.com>
3830         * config/mips/mips.c (mips_save_reg_p): Don't short-circuit rest
3831         of function when handling GLOBAL_POINTER_REGNUM.
3833 2008-08-16  Eric Botcazou  <ebotcazou@adacore.com>
3835         PR ada/20548
3836         * common.opt (-fstack-check): Do not declare the variable here.
3837         (-fstack-check=): New option variant.
3838         * doc/invoke.texi (Code Gen Options): Document it.
3839         * expr.h (STACK_OLD_CHECK_PROTECT): New macro.
3840         (STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
3841         (STACK_CHECK_STATIC_BUILTIN): New macro.
3842         * doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
3843         * opts.c: Include expr.h.
3844         (common_handle_option) <OPT_fold_stack_check_>: New case.
3845         <OPT_fstack_check>: Likewise.
3846         * calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
3847         consistently in the test for variable-sized types.  Adjust for
3848         new behaviour of flag_stack_check.
3849         * explow.c: Include except.h.
3850         (allocate_dynamic_stack_space): Do not take into account
3851         STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
3852         * function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
3853         for variable-sized parameters.  Treat all parameters whose size is
3854         greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
3855         stack checking is enabled.
3856         * gimplify.c (gimplify_decl_expr): Treat non-static objects whose
3857         size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
3858         if generic stack checking is enabled.
3859         (expand_function_end): Adjust for new behaviour of flag_stack_check.
3860         * reload1.c (reload): Likewise.
3861         * stmt.c (expand_decl): Assert that all automatic variables have
3862         fixed size at this point and remove dead code.
3863         * flags.h (stack_check_type): New enumeration type.
3864         (flag_stack_check): Declare.
3865         * toplev.c (flag_stack_check): New global variable.
3866         * Makefile.in (opts.o): Add dependency on EXPR_H.
3867         (explow.o): Add dependency on except.h.
3869 2008-08-16  Andy Hutchinson  <hutchinsonandy@aim.com>
3871         * config/avr/avr.c (avr_override_options): Reduce value of
3872         PARAM_INLINE_CALL_COST.
3874 2008-08-15  Eric Botcazou  <ebotcazou@adacore.com>
3876         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
3877         to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
3878         lieu of TYPE_MODE (type) throughout.
3880 2008-08-15  Joseph Myers  <joseph@codesourcery.com>
3882         * config/arm/arm.c (add_minipool_backward_ref): Check for
3883         8-byte-aligned entries in second case of forcing insertion after a
3884         particular entry.  Change third case to avoid inserting
3885         non-8-byte-aligned entries before 8-byte-aligned ones.
3887 2008-08-15  Richard Guenther  <rguenther@suse.de>
3889         * tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
3890         strip components for unknown size accesses.
3892 2008-08-15  Wolfgang Gellerich  <gellerich@de.ibm.com>
3894         * config/s390/2097.md New file.
3895         * config/s390/s390.md ("z10prop" attribute): Define none,
3896         z10_super, z10_super_E1, z10_super_A1, z10_super_c,
3897         z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
3898         z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
3899         possible values and apply them to insns as appropriate.
3900         ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
3901         ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
3902         fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
3903         fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
3904         values.
3905         ("bfp" mode attribute): Removed.  Every occurence replaced
3906         with <mode>.
3907         * config/s390/s390.c (struct "z10_cost"): Updated entries.
3908         * config/s390/2084.md (insn_reservation "x_itof"): Updated
3909           type attribute.
3911 2008-08-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3913         PR c/28152
3914         * c-parser.c (c_lex_one_token): Do not store the canonical spelling
3915         for keywords.
3917 2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>
3919         * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
3920         additional argument. Support reduction when duplication is needed due
3921         to data-types of different sizes in the loop.
3922         (get_initial_def_for_induction): Fix printout.
3923         (vect_get_vec_def_for_stmt_copy): Support case where the
3924         vec_stmt_for_operand is a phi node.
3925         (vectorizable_reduction): Support reduction when duplication is needed
3926         due to data-types of different sizes in the loop.
3927         (vectorizable_call): Remove restriction to not vectorize in case we
3928         have data-types of different sizes in the loop.
3929         (vectorizable_conversion): Likewise.
3930         (vectorizable_operation): Likewise.
3931         (vectorizable_type_demotion): Likewise.
3932         (vectorizable_type_promotion): Likewise.
3933         (vectorizable_induction): Add restriction to not vectorize in case
3934         we have data-types of different sizes in the loop.
3936 2008-08-14  Christophe Saout  <christophe@saout.de>
3937             Uros Bizjak  <ubizjak@gmail.com>
3939         PR target/37101
3940         * config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
3941         (*vec_concatv2di_rex64_sse4_1): Ditto.
3942         (*vec_concatv2di_rex64_sse): Ditto.
3944 2008-08-14  Jakub Jelinek  <jakub@redhat.com>
3946         PR middle-end/37103
3947         * fold-const.c (fold_widened_comparison): Do not allow
3948         sign changes that change the result even if shorter type
3949         is wider than arg1_unw's type.
3951 2008-08-13  Kazu Hirata  <kazu@codesourcery.com>
3953         * gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
3954         Skip if the multilib testing specifies -march that does not
3955         agree with the one specified in the testcase.
3957 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
3959         * config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
3960         zero extend SImode values being converted to TFmode before passing
3961         to libcalls.
3963 2008-08-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3965         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
3966         __PPU__ when targeting the Cell/B.E. PPU processor.
3968 2008-08-13  Eric Botcazou  <ebotcazou@adacore.com>
3970         * gimple.h (gimple_call_set_chain): Accept SSA variables.
3971         * tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
3972         Rematerialize the static chain, if any.
3973         * tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
3974         static chain.
3976 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
3978         * dwarf2out.c (dwarf_stack_op_name): Remove prototype.
3979         (new_loc_descr): Likewise.
3980         (add_loc_descr): Likewise.
3981         (size_of_loc_descr): Likewise.
3982         (size_of_locs): Likewise.
3983         (output_loc_operands): Likewise.
3984         (output_loc_sequence): Likewise.
3985         (new_reg_loc_descr): New.
3986         (build_cfa_loc): Use it.
3987         (build_cfa_aligned_loc): Likewise.
3988         (one_reg_loc_descriptor): Likewise.
3989         (based_loc_descr): Likewise.
3991 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3993         PR 30551
3994         * doc/invoke.texi (Wmain): Update.
3995         * c-decl.c (start_decl): warn_main is only 0 or 1.
3996         (start_function): Likewise. Fix formatting.
3997         (finish_function): Delete redundant warning.
3998         * c.opt (Wmain): Add Var(warn_main) and Init(-1).
3999         * c-opts (c_common_handle_option): -Wall only has effect if
4000         warn_main is uninitialized. OPT_Wmain is automatically
4001         handled. -pedantic also enables Wmain.
4002         (c_common_post_options): Handle all logic for Wmain here.
4003         * c-common.c (warn_main): Delete.
4004         (check_main_parameter_types): Make pedwarns conditional on
4005         OPT_Wmain.
4006         * c-common.h (warn_main): Delete.
4008 2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>
4010         PR middle-end/36701
4011         * expr.c (emit_group_store): Allocate stack temp with the
4012         largest alignment when copying from register to stack.
4014 2008-08-13  Richard Guenther  <rguenther@suse.de>
4016         * tree.h (maybe_fold_offset_to_address): Declare.
4017         * tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
4018         (ccp_fold): Handle pointer conversions the same as fold_stmt.
4019         Likewise for POINTER_PLUS_EXPR.
4020         (maybe_fold_offset_to_reference): Enable disabled code.
4021         (maybe_fold_offset_to_address): New function.
4022         (fold_stmt_r): Use it.
4023         (fold_gimple_assign): Likewise.
4024         * gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
4025         (gimplify_expr): Likewise.
4027 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4029         * toplev.h (pedwarn_at): Fix declaration.
4031 2008-08-13  Joseph Myers  <joseph@codesourcery.com>
4033         * config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
4034         LINK_SPEC): Use %R in -Y P argument.
4036 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4038         PR c/15236
4039         * diagnostic.c (pedwarn_at): New.
4040         * toplev.h (pedwarn_at): Declare.
4041         * c-tree.h (build_enumerator): Update declaration.
4042         * c-decl.c (finish_enum): Update comment.
4043         (build_enumerator): Take a location parameter. Give a pedwarn but do
4044         not perform any conversion.
4045         * c-parser.c (c_parser_enum_specifier): Set correct location for
4046         enumerator.
4048 2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4050         PR 35635
4051         * c-common.c (conversion_warning): Use a switch. Ignore boolean
4052         expressions except for conversions to signed:1 bitfields. Handle
4053         COND_EXPR with constant operands.
4055 2008-08-13  Richard Guenther  <rguenther@suse.de>
4057         PR tree-optimization/15255
4058         * tree-ssa-reassoc.c (linearize_expr_tree): Declare.
4059         (struct oecount_s): New struct and VEC types.
4060         (cvec): New global.
4061         (oecount_hash): New function.
4062         (oecount_eq): Likewise.
4063         (oecount_cmp): Likewise.
4064         (zero_one_operation): New function.
4065         (build_and_add_sum): Likewise.
4066         (undistribute_ops_list): Perform un-distribution of multiplication
4067         and division on the chain of summands.
4068         (should_break_up_subtract): Also break up subtracts for factors.
4069         (reassociate_bb): Delete dead visited statements.
4070         Call undistribute_ops_list.  Re-sort and optimize if it did something.
4071         * passes.c (init_optimization_passes): Move DSE before
4072         reassociation.
4073         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
4074         PHI nodes.
4076 2008-08-12  Janis Johnson  <janis187@us.ibm.com>
4078         * doc/invoke.texi (-fipa-pta): Say the option is experimental.
4080         * doc/invoke.texi: Revert unintended checkin.
4082 2008-08-12  Nathan Froyd  <froydnj@codesourcery.com>
4084         PR libgomp/26165
4085         * gcc.c (include_spec_function): Tweak call to find_a_file.
4087 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
4089         PR middle-end/37014
4090         * expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
4091         and TRUTH_ORIF_EXPR.
4092         * dojump.c (do_jump): Likewise.
4094         PR tree-optimization/37084
4095         * tree-inline.c (copy_bb): Call gimple_regimplify_operands
4096         if id->regimplify, don't assume stmt is a cast assignment.
4098 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
4100         * final.c (final_scan_insn): Use app_enable/app_disable functions.
4102 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4104         PR bootstrap/37097
4105         * builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
4106         by last change.
4108 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4110         * defaults.h (TARGET_FLOAT_FORMAT): Remove.
4111         (UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.
4113         * config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
4114         * config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
4115         * config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
4116         * config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
4117         * config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.
4119         * doc/tm.texi (Storage Layout): Remove documentation for
4120         TARGET_FLOAT_FORMAT.
4122         * simplify-rtx.c (simplify_binary_operation_1): Replace
4123         TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.
4125 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4127         * real.h (struct real_format): New member has_sign_dependent_rounding.
4128         * real.c (ieee_single_format, mips_single_format, motorola_single_format,
4129         spu_single_format, ieee_double_format, mips_double_format,
4130         motorola_double_format, ieee_extended_motorola_format,
4131         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
4132         ieee_extended_intel_96_round_53_format, ibm_extended_format,
4133         mips_extended_format, ieee_quad_format, mips_quad_format,
4134         vax_f_format, vax_d_format, vax_g_format): Initialize it.
4135         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
4137         * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
4138         MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
4139         * config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
4140         MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
4141         (ROUND_TOWARDS_ZERO): Likewise.
4143         * real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
4144         (FLOAT_MODE_FORMAT): New macro.
4145         (REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
4146         (MODE_COMPOSITE_P): ... this new macro.
4147         (MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
4148         MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
4149         * machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.
4151         * flags.h: Include "real.h".
4153         * fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
4154         REAL_MODE_FORMAT_COMPOSITE_P.
4155         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
4157         * doc/tm.texi (Storage Layout): Remove documentation of
4158         MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
4159         MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
4160         ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
4161         they only apply to libgcc2.a.
4163 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4165         * config/spu/float_disf.c: New file.
4166         * config/spu/float_unsdisf.c: New file.
4167         * config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
4168         (LIB2FUNCS_EXCLUDE): Define.
4170 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4171             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4173         * real.h (struct real_format): New member round_towards_zero.
4174         * real.c (round_for_format): Respect fmt->round_towards_zero.
4175         (ieee_single_format, mips_single_format, motorola_single_format,
4176         spu_single_format, ieee_double_format, mips_double_format,
4177         motorola_double_format, ieee_extended_motorola_format,
4178         ieee_extended_intel_96_format, ieee_extended_intel_128_format,
4179         ieee_extended_intel_96_round_53_format, ibm_extended_format,
4180         mips_extended_format, ieee_quad_format, mips_quad_format,
4181         vax_f_format, vax_d_format, vax_g_format): Initialize it.
4182         * config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.
4184         * builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
4185         real_format to choose rounding mode when calling MPFR functions.
4186         (do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
4187         (do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.
4189         * real.h (real_to_decimal_for_mode): Add prototype.
4190         * real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
4191         Respect target rounding mode when generating decimal representation.
4192         (real_to_decimal): New stub for backwards compatibility.
4193         * c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
4194         real_to_decimal_for_mode instead of real_to_decimal.
4196         * config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.
4198 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4199             Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
4201         * real.c (spu_single_format): New variable.
4202         * real.h (spu_single_format): Declare.
4204         * config/spu/spu.c (spu_override_options): Install SFmode format.
4205         (spu_split_immediate): Use integer mode to operate on pieces of
4206         floating-point values in all cases.
4208         * config/spu/spu.md (UNSPEC_FLOAT_EXTEND, UNSPEC_FLOAT_TRUNCATE): New.
4209         ("extendsfdf2"): Use UNSPEC_FLOAT_EXTEND instead of FLOAT_EXTEND.
4210         ("truncdfsf2"): Use UNSPEC_FLOAT_TRUNCATE instead of FLOAT_TRUNCATE.
4212 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4214         * config/spu/spu.c (spu_safe_dma): Respect TARGET_SAFE_DMA.
4216 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
4218         * config/spu/spu.h (DWARF_FRAME_RETURN_COLUMN): Define.
4220 2008-08-12  Jakub Jelinek  <jakub@redhat.com>
4222         PR c++/36688
4223         * gimplify.c (gimplify_modify_expr_rhs): Test TREE_READONLY
4224         on the VAR_DECL instead of TYPE_READONLY on its type.
4226 2008-08-12  Ira Rosen  <irar@il.ibm.com>
4228         * tree-vectorizer.c: Depend on langhooks.h.
4229         (supportable_widening_operation): Add two arguments. Support double
4230         type conversions.
4231         (supportable_narrowing_operation): Likewise.
4232         * tree-vectorizer.h (supportable_widening_operation): Add two
4233         arguments.
4234         (supportable_narrowing_operation): Likewise.
4235         * tree-vect-patterns.c (vect_recog_widen_mult_pattern) : Call
4236         supportable_widening_operation with correct arguments.
4237         * tree-vect-transform.c (vectorizable_conversion): Likewise.
4238         (vectorizable_type_demotion): Support double type conversions.
4239         (vectorizable_type_promotion): Likewise.
4240         * Makefile.in (tree-vectorizer.o): Depend on langhooks.h.
4242 2008-08-11  Michael Matz  <matz@suse.de>
4244         * i386/i386.c (override_options): Move initialisation from
4245         flag_schedule_insns_after_reload to here from ...
4246         (optimization_options): ... here.
4248 2008-08-11  Jakub Jelinek  <jakub@redhat.com>
4250         PR rtl-optimization/36998
4251         * dwarf2out.c (compute_barrier_args_size_1,
4252         compute_barrier_args_size): Temporarily remove assertions.
4254 2008-08-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4256         PR middle-end/20644
4257         * tree-ssa.c (struct walk_data): Add new flag
4258         warn_possibly_uninitialized.
4259         (warn_uninitialized_var): Use it.
4260         (warn_uninitialized_vars): New.
4261         (execute_early_warn_uninitialized): Call it.
4262         (execute_late_warn_uninitialized): Likewise.
4264 2008-08-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4266         PR middle-end/36238
4267         * reload1.c (gen_reload): Guard calls to get_secondary_mem
4268         for memory subregs.
4270 2008-08-09  Jan Hubicka  <jh@suse.cz>
4272         PR target/37055
4273         * optabs.c (maybe_emit_unop_insn): Remove produced code if
4274         expansion failed.
4275         (expand_fix): Be prepared for expansion to fail.
4276         (expand_sfix_optab): Remove instructions if expansion failed.
4278 2008-08-09  Anatoly Sokolov  <aesok@post.ru>
4280         * config/avr/avr.c (avr_mcu_types): Move the AT43USB320 device to
4281         avr31 architecture.
4282         * config/avr/avr.h (CRT_BINUTILS_SPECS): (Ditto.).
4283         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4285 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4287         * config.gcc (mips*-*-linux*, mips64*-*-linux*): Add
4288         mips/t-libgcc-mips16 to tmake_file.
4289         * config/mips/mips-protos.h (mips_call_type): New enum.
4290         (mips_pic_base_register, mips_got_load): Declare.
4291         (mips_restore_gp): Take an rtx argument.
4292         (mips_use_pic_fn_addr_reg_p): Declare.
4293         (mips_expand_call): Replace the sibcall_p argument with
4294         a mips_call_type argument.  Add a lazy_p parameter.
4295         (mips_split_call): Declare.
4296         * config/mips/mips.h (MIPS16_PIC_TEMP_REGNUM): New macro.
4297         (MIPS16_PIC_TEMP): Likewise.
4298         (reg_class): Delete M16_NA_REGS.
4299         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
4300         (SYMBOL_FLAG_BIND_NOW, SYMBOL_REF_BIND_NOW_P): New macros.
4301         (mips_split_hi_p): Declare.
4302         * config/mips/mips.c (mips_split_hi_p): New array.
4303         (mips_regno_to_class): Change M16_NA_REGS entries to M16_REGS.
4304         (mips_got_symbol_type_p): New function.
4305         (mips_global_symbol_p): Check SYMBOL_REF_EXTERNAL_P.
4306         (mips16_stub_function_p): New function.
4307         (mips16_local_function_p): Likewise.
4308         (mips_use_pic_fn_addr_reg_p): Likewise.
4309         (mips_cannot_force_const_mem): Return false for HIGHs.
4310         Extend CONST_INT and symbolic handling to MIPS16, using
4311         mips_symbol_insns to check that the base symbol type is a
4312         legitimate constant.  Reject GOT-based constants if
4313         TARGET_MIPS16_PCREL_LOADS.
4314         (mips_const_insns): Check targetm.cannot_force_const_mem when
4315         decomposing a symbolic base and a large offset.
4316         (mips_emit_call_insn): Add ORIG_ADDR and ADDR parameters.
4317         When calling a function that needs $25 from MIPS16 code,
4318         move the target address into $25 separately and add a USE
4319         to the call insn.
4320         (mips16_gp_pseudo_reg): Insert the initializer immediately
4321         before the first real insn.
4322         (mips_pic_base_register, mips_got_load): New functions.
4323         (mips_split_symbol): Generalize the name of the LO_SUM_OUT
4324         parameter to LOW_OUT.  Say that it can be any valid SET_SRC
4325         when splitting a load-address operation.  Split SYMBOL_GOT_DISP
4326         constants and highs of SYMBOL_GOT_PAGE_OFST constants.
4327         (mips_call_tls_get_addr): Update the call to mips_expand_call,
4328         also passing NULL_RTX rather than const0_rtx as the aux argument.
4329         (mips_rewrite_small_data_p): Check mips_lo_relocs and mips_split_p
4330         instead of TARGET_EXPLICIT_RELOCS.
4331         (mips_ok_for_lazy_binding_p): Check SYMBOL_REF_BIND_NOW_P.
4332         (mips_load_call_address): Replace the sibcall_p argument with
4333         a mips_call_type argument.  Use mips_got_load.
4334         (mips16_local_alias): New structure.
4335         (mips16_local_aliases): New variable.
4336         (mips16_local_aliases_hash): New function.
4337         (mips16_local_aliases_eq): Likewise.
4338         (mips16_local_alias): Likewise.
4339         (mips16_stub_function): Likewise.
4340         (mips16_build_function_stub): Create a local alias for the target
4341         function.  Handle TARGET_ABICALLS.  For PIC abicalls, emit a
4342         .cpload directive and an R_MIPS_NONE relocation for the target
4343         function, then load the alias rather than the function itself.
4344         Wrap the non-PIC abicalls version in ".option pic0/.option pic2".
4345         (mips16_copy_fpr_return_value): Use mips16_stub_function and
4346         mips_expand_call.  Set SYMBOL_REF_BIND_NOW on the symbol.
4347         (mips16_build_call_stub): Replace the FN parameter with an
4348         FN_PTR parameter.  Force the address into a register if it
4349         isn't a call_insn_operand; don't rely on the caller to do this.
4350         If a call to a locally-defined and locally-binding MIPS16
4351         function must be made indirectly, redirect the call to the
4352         function's local alias.  Use mips16_stub_function_p,
4353         mips16_stub_function, mips_expand_call and use_reg.
4354         Set SYMBOL_FLAG_BIND_NOW on __mips_call_* symbols.
4355         Use explicit %hi and %lo accesses where possible.
4356         Use MIPS_CALL to generate the correct code form of a
4357         jal instruction.  Add clobbers of $18 instead of uses.
4358         Update the call to mips_emit_call_insn.
4359         (mips_expand_call): Replace the SIBCALL_P argument with a
4360         mips_call_type argument and handle the new MIPS_CALL_EPILOGUE value.
4361         Take a LAZY_P parameter.  Call mips16_build_call_stub first,
4362         allowing it to modify the call address.  Update the calls to
4363         mips_load_call_address and mips_emit_call_insn.
4364         (mips_split_call): New function.
4365         (mips_init_relocs): Clear mips_split_hi_p.  Only use %gp_rel if
4366         !TARGET_MIPS16.  Split SYMBOL_GOT_DISP, and the high parts of
4367         SYMBOL_GOT_PAGE_OFST, for MIPS16 code.
4368         (mips_global_pointer): Check mips16_cfun_returns_in_fpr_p.
4369         (mips_extra_live_on_entry): Include MIPS16_PIC_TEMP_REGNUM
4370         if TARGET_MIPS16.
4371         (mips_cprestore_slot): New function.
4372         (mips_restore_gp): Take a TEMP parameter.  Handle TARGET_MIPS16
4373         and use mips_cprestore_slot.
4374         (mips_output_function_prologue): Handle TARGET_MIPS16 for
4375         LOADGP_OLDABI.
4376         (mips_emit_loadgp): Move into MIPS16_PIC_TEMP for MIPS16,
4377         then use a copygp_mips16 instruction to set up $28.
4378         (mips_expand_prologue): Initialize the cprestore slot for MIPS16 too.
4379         (mips16_lay_out_constants): Call split_all_insns_noflow.
4380         (mips_reorg_process_insns): Explicitly set all_noreorder_p to
4381         false if TARGET_MIPS16.
4382         (mips_reorg): Don't call vr4130_align_insns if TARGET_MIPS16.
4383         (mips_output_mi_thunk): Use mips_got_symbol_type_p.  Use the
4384         mips_dangerous_for_la25_p approach for MIPS16 PIC calls too.
4385         (mips_set_mips16_mode): Always set MASK_EXPLICIT_RELOCS for
4386         MIPS16 code.  Allow MIPS16 o32 PIC.
4387         (mips_override_options): Allow MIPS16 o32 PIC.
4388         * config/mips/mips.md: Lower CONST_GP_P moves into register moves
4389         after reload if TARGET_USE_GOT.
4390         (UNSPEC_COPYGP): New constant.
4391         (length): Use a default length of 8 for MIPS16 GOT loads.
4392         (*got_disp<mode>): Check mips_split_p instead of TARGET_XGOT.
4393         (*got_page<mode>): Check mips_split_hi_p.
4394         (*got_disp<mode>, *got_page<mode>): Use mips_got_load.
4395         (unspec_got<mode>, unspec_call<mode>): New expanders.
4396         (load_got<mode>, load_call<mode>): Remove the length attributes.
4397         Use a got attribute instead of a type attribute.
4398         (copygp_mips16): New insn.
4399         (restore_gp): Add a scratch clobber and pass it to mips_restore_gp.
4400         (load_call<mode>): Use a "d" constraint instead of an "r" constraint.
4401         (sibcall, sibcall_value, call, call_value): Update the calls
4402         to mips_expand_call.
4403         (call_internal, call_value_internal): Use mips_split_call.
4404         (call_value_multiple_internal): Likewise.
4405         (call_split): Move after call_internal (the insn it is split from).
4406         (call_internal_direct, call_value_internal_direct): Turn into
4407         define_insn_and_splits.  Split if TARGET_SPLIT_CALLS.
4408         (call_direct_split, call_value_direct_split): New patterns.
4409         * config/mips/constraints.md (c): Handle TARGET_MIPS16 first
4410         and use M16_REGS instead of M16_NA_REGS.
4411         * config/mips/predicates.md (const_call_insn_operand): Replace
4412         the TARGET_ABSOLUTE_ABICALLS-based check with a more general
4413         mips_use_pic_fn_addr_reg_p check.
4414         (move_operand): Reject HIGHs if mips_split_hi_p.
4415         * config/mips/mips16.S: Assembly as empty if the ABI is not suitable.
4416         (__mips16_floatunsisf): Inline __mips16_floatsisf.
4417         (CALL_STUB_NO_RET, CALL_STUB_REG): Copy the target register to $25.
4418         * config/mips/libgcc-mips16.ver: New file.
4419         * config/mips/t-libgcc-mips16 (SHLIB_MAPFILES): Add
4420         $(srcdir)/config/mips/libgcc-mips16.ver.
4422 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4424         * config/mips/mips.c (mips_unspec_address_offset): Move earlier in file.
4425         (mips_unspec_address, mips_unspec_offset_high): Likewise.
4426         (mips_ok_for_lazy_binding_p, mips_load_call_address): Likewise.
4427         (mips16_cfun_returns_in_fpr_p): Likewise.
4429 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4431         * config/mips/mips.h (MASK_RETURN_ADDR): Expand commentary.
4432         * config/mips/linux-unwind.h (mips_fallback_frame_state): Add 2
4433         rather than 4 to PC.
4435 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4437         * config/mips/mips.h (STATIC_CHAIN_REGNUM): Remap to $15.
4438         (FUNCTION_PROFILER): Save the static chain pointer into $2
4439         beforehand and restore it aftewards.
4440         (TRAMPOLINE_TEMPLATE): Adjust accordingly.  Load the target
4441         address directly into $25 and call the function through $25;
4442         do not clobber $3.  Pad the DImode version to cover the space
4443         left by the deleted $25 <- $3 move.
4444         (TRAMPOLINE_SIZE): Adjust the size of the SImode version after
4445         the removal of the $25 <- $3 move.
4446         (INITIALIZE_TRAMPOLINE): Update offsets accordingly.
4447         * config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.
4449 2008-08-09  Richard Sandiford  <rdsandiford@googlemail.com>
4450             Daniel Jacobowitz  <dan@codesourcery.com>
4452         * config/mips/mips.h (FUNCTION_NAME_ALREADY_DECLARED): Delete.
4453         * config/mips/linux.h (ASM_DECLARE_FUNCTION_NAME): Delete.
4454         (ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED): Delete.
4455         * config/mips/mips.c (mips_start_function_definition): New function.
4456         (mips_end_function_definition): Likewise.
4457         (mips_output_function_prologue): Use mips_start_function_definition.
4458         (mips_output_function_epilogue): Use mips_end_function_definition.
4459         (build_mips16_function_stub): Use mips_start_function_definition
4460         and mips_end_function_definition.
4461         (build_mips16_call_stub): Likewise.
4463 2008-08-09  Richard Guenther  <rguenther@suse.de>
4465         * gimple.c (gimple_build_call_1): Deal with FUNCTION_DECL fn.
4466         * gimple.h (gimple_call_fn): Adjust comment.
4467         (gimple_call_set_fndecl): New function.
4468         (gimple_call_fndecl): Adjust for GIMPLE_CALL no
4469         longer having bare FUNCTION_DECL operand.
4470         (gimple_call_return_type): Likewise.
4471         * tree-cfg.c (verify_stmt): Verify function operand of a GIMPLE_CALL.
4473         * value-prof.c (gimple_divmod_fixed_value): Do not emit labels.
4474         (gimple_mod_pow2): Likewise.
4475         (gimple_mod_subtract): Likewise.
4476         (gimple_ic): Likewise.
4477         (gimple_stringop_fixed_value): Likewise.
4478         (gimple_indirect_call_to_profile): Fix for GIMPLE_CALL no
4479         longer having bare FUNCTION_DECL operand.
4480         * ipa-cp.c (ipcp_update_callgraph): Use gimple_call_set_fndecl.
4481         * omp-low.c (optimize_omp_library_calls): Likewise.
4482         * cgraphunit.c (update_call_expr): Likewise.
4483         * tree-ssa-math-opts.c (execute_cse_reciprocals): Likewise.
4484         (execute_convert_to_rsqrt): Likewise.
4485         * cfgexpand.c (gimple_to_tree): Simplify.
4486         (release_stmt_tree): Fix for GIMPLE_CALL no longer having
4487         bare FUNCTION_DECL operand.
4488         * tree-nested.c (init_tmp_var_with_call): Use gimple_call_return_type.
4489         (convert_gimple_call): Use gimple_call_fndecl.
4490         * c-common.c (c_warn_unused_result): Likewise.
4492 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4494         PR c/17880
4495         * c-typeck.c (digest_init): Call verify_sequence_points from here.
4496         (c_finish_return): Likewise.
4497         (c_start_case): Likewise.
4498         * c-common.c (warn_for_collisions_1): Use explicit location in
4499         warning.
4500         * c-parser.c (c_parser_condition): New. Call
4501         verify_sequence_points.
4502         (c_parser_paren_condition): Call c_parser_condition.
4503         (c_parser_for_statement): Call c_parser_condition.
4505 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4507         PR 36901
4508         * diagnostic.def (DK_PEDWARN, DK_PERMERROR): New.
4509         * diagnostic.c (pedantic_warning_kind, permissive_error_kind):
4510         Moved from diagnostic.h
4511         (diagnostic_report_diagnostic): Return bool. Handle DK_PEDWARN and
4512         DK_PERMERROR.
4513         (emit_diagnostic): New.
4514         (warning0, pedwarn0): Delete.
4515         (warning, warning_at, pedwarn, permerror): Return bool.
4516         * diagnostic.h (pedantic_warning_kind, permissive_error_kind):
4517         Moved to diagnostic.c.
4518         (struct diagnostic_context): Use correct type for
4519         classify_diagnostic.
4520         (diagnostic_report_diagnostic): Update declaration.
4521         (emit_diagnostic): Declare.
4522         * errors.c (warning): Return bool.
4523         * errors.h (warning): Update declaration.
4524         * toplev.h (warning0, pedwarn0): Delete.
4525         (warning, warning_at, pedwarn, permerror): Return bool.
4526         * c-errors.c (pedwarn_c99, pedwarn_c90): Use DK_PEDWARN.
4527         * c-decl.c (locate_old_decl): Delete 'diag' argument. Always use
4528         inform. Update all calls.
4529         (diagnose_mismatched_decls): Check return value of warning/pedwarn
4530         before giving informative note.
4531         (implicit_decl_warning): Likewise.
4532         * c-typeck.c (build_function_call): Likewise.
4533         * tree-sssa.c (warn_uninit): Likewise.
4534         * builtins.c (gimplify_va_arg_expr): Likewise.
4536 2008-08-09  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4538         PR 7651
4539         * doc/invoke.texi (-Wextra): Move warning from here...
4540         (-Wuninitialized): ... to here.
4542 2008-08-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4544         PR 28875
4545         * flags.h (set_Wunused): Delete
4546         * toplev.c (process_options): Handle Wunused flags here.
4547         * opts.c (maybe_warn_unused_parameter): Delete.
4548         (common_handle_option): Replace set_Wunused by warn_unused.
4549         (set_Wextra): Do not handle Wunused-parameter here.
4550         (set_Wunused): Delete.
4551         * c-opts.c (c_common_handle_option): Replace set_Wunused by
4552         warn_unused.
4553         * common.opt (Wunused): Add Var and Init.
4554         (Wunused-function): Likewise.
4555         (Wunused-label): Likewise.
4556         (Wunused-parameter): Likewise.
4557         (Wunused-value): Likewise.
4558         (Wunused-variable): Likewise.
4560 2008-08-08  Peter Bergner  <bergner@vnet.ibm.com>
4562         * doc/invoke.texi: Add cpu_type power7.
4563         * config.in (HAVE_AS_VSX): New.
4564         * config.gcc: Add cpu_type power7.
4565         * configure.ac (HAVE_AS_VSX): Check for assembler support of the
4566         VSX instructions.
4567         * configure: Regenerate.
4568         * config/rs6000/rs6000.c (rs6000_override_options): Alias power7 to
4569         power5.
4570         * config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Define.
4571         (ASM_CPU_SPEC): Pass %(asm_cpu_power7) for -mcpu=power7.
4572         (EXTRA_SPECS): Add asm_cpu_power7 spec string.
4574 2008-08-08  Dorit Nuzman  <dorit@il.ibm.com>
4576         * tree-vect-transform.c (vectorizable_conversion): Pass the integral
4577         type to vectorize.builtin_conversion.
4578         (vectorizable_conversion): Likewise.
4579         * config/i386/i386.c (ix86_vectorize_builtin_conversion): Always takes
4580         integral type as input.
4581         * config/rs6000/rs6000.c (rs6000_builtin_conversion): Add case for
4582         FIX_TRUNC_EXPR.
4583         (rs6000_expand_builtin): Add case for ALTIVEC_BUILTIN_VCTUXS
4584         and ALTIVEC_BUILTIN_VCTSXS.
4585         (rs6000_builtin_mul_widen_even. rs6000_builtin_mul_widen_odd): Fix
4586         formatting.
4588 2008-08-08  Richard Guenther  <rguenther@suse.de>
4590         * tree-ssa-ccp.c (likely_value): Calls are not all varying.
4591         (surely_varying_stmt_p): Calls are varying only if they are
4592         non-builtin and not indirect or have no result.
4593         (ccp_fold): Re-instantiate code before the tuples merge.
4595 2008-08-08  Richard Guenther  <rguenther@suse.de>
4597         PR tree-optimization/37056
4598         * gimple.h (gimple_assign_rhs_class): New helper function.
4599         * tree-ssa-loop-niter.c (get_val_for): Fix tuplification, handle
4600         unary operations properly.
4602 2008-08-07  Jan Hubicka  <jh@suse.cz>
4604         * i386.h (ix86_size_cost): Declare.
4605         (ix86_cur_cost): New function macro.
4606         * i386.md (peepholes expanding size and splitters): Predicate by
4607         optimize_insn_for_speed_p.
4608         (peepholes reduce size and splitters): Predicate by
4609         optimize_insn_for_size_p.
4610         * i386.c (ix86_size_cost): Rename from ...
4611         (size_cost): This one.
4612         (override_options): Update.
4613         (decide_alg): Likewise.
4614         (ix86_expand_clear): Use RTL profile.
4615         (ix86_pad_returns): Use RTL profile.
4617 2008-08-07  Jan Hubicka  <jh@suse.cz>
4619         * recog.c (split_all_insns): Set RTL profile
4620         (peephole2_optimize): Likewise.
4621         * function.c (thread_prologue_and_epilogue_insns): Likewise.
4622         * combine.c (combine_instructions): Likewise.
4624 2008-08-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4626         * c-common.c (c_common_reswords): Also warn about keyword "bool".
4628 2008-08-07  Bob Wilson  <bob.wilson@acm.org>
4630         * config/xtensa/xtensa.c (xtensa_copy_incoming_a7): Copy incoming
4631         value in a6 after the set_frame_ptr insn.
4633 2008-08-07  Richard Henderson  <rth@redhat.com>
4635         PR debug/37033
4636         * gcc.c (cpp_options): Pass along -g*.
4638 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
4640         * config/arm/arm.c (output_move_neon): Update comment describing
4641         big-endian vector layout.
4642         (arm_assemble_integer): Do not handle big-endian NEON vectors
4643         specially.
4644         * config/arm/neon.md (vec_set<mode>_internal, vec_extract<mode>,
4645         neon_vget_lane<mode>_sext_internal,
4646         neon_vget_lane<mode>_zext_internal, neon_vget_lane<mode>): Adjust
4647         element indices for big-endian.
4649 2008-08-07  Richard Henderson  <rth@redhat.com>
4651         * configure.ac (HAVE_GAS_CFI_PERSONALITY_DIRECTIVE): New.
4652         * configure, config.in: Rebuild.
4653         * debug.h (dwarf2out_do_cfi_asm): Declare.
4654         * c-cppbuiltin.c (c_cpp_builtins): Use it.
4655         * dwarf2out.c (dwarf2out_do_cfi_asm): New.
4656         (dwarf2out_cfi_label, add_fde_cfi, output_call_frame_info,
4657         dwarf2out_begin_prologue, dwarf2out_end_epilogue): Use it.
4659 2008-08-07  Joseph Myers  <joseph@codesourcery.com>
4661         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4662         movv2si_internal): Combine into mov<mode>_internal.
4663         (movv2si_internal_2): Remove.
4665 2008-08-07  Jan Hubicka  <jh@suse.cz>
4667         PR target/37048
4668         * i386.md (single stringop patterns): Enable unconditionally.
4670 2008-08-07  H.J. Lu  <hongjiu.lu@intel.com>
4672         PR target/36992
4673         * config/i386/emmintrin.h (_mm_move_epi64): Use
4674         __builtin_ia32_movq128.
4676         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVQ128.
4677         (bdesc_args): Add IX86_BUILTIN_MOVQ128.
4679         * config/i386/sse.md (sse2_movq128): New.
4681         * doc/extend.texi: Document __builtin_ia32_movq128.
4683 2008-08-07  Richard Guenther  <rguenther@suse.de>
4685         PR middle-end/37042
4686         * tree-ssa-alias-warnings.c (nonstandard_alias_p): Ref-all
4687         pointers can access anything.
4689 2008-08-06  Jan Hubicka  <jh@suse.cz>
4691         * optabs.c (emit_unop_insn): Break out to ...
4692         (maybe_emit_unop_insn): ... this one.
4693         (expand_sfix_optab): Use maybe variant.
4694         * optabs.h (maybe_emit_unop_insn): Declare.
4696         * i386.md (mov0 patterns): Enable by default.
4697         (FP conversion expanders): Disable expansion of code expanding
4698         sequences when instruction should be optimized for size.
4699         (single strinop patterns): Enable when optimizing for size.
4700         (string expanders): Disable expanding of code expanding sequences
4701         when optimizning instruction for size.
4702         * i386.c (ix86_expand_vector_move_misalign): Do code size optimization
4703         per BB basis.
4704         (ix86_fp_comparison_sahf_cost): Likewise.
4705         (ix86_expand_branch): Likewise.
4706         (ix86_expand_ashl_const): Likewise.
4707         (ix86_split_ashl): Likewise.
4708         (ix86_expand_strlen): Likewise.
4709         (ix86_emit_fp_unordered_jump): Likewie.
4711 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4713         * c-common.c: Fix typo.
4714         (c_common_reswords): Activate more C++ keyword warnings.
4716         * matrix-reorg.c (compute_offset): Avoid C++ keywords.
4718 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4720         PR 26785
4721         * diagnostic.c (permerror_at): New.
4722         * toplev.h (permerror_at): Declare.
4724 2008-08-06  Victor Kaplansky  <victork@il.ibm.com>
4725             Ira Rosen  <irar@il.ibm.com>
4727         * tree-vect-transform.c (vect_model_simple_cost): Return
4728         immediately if stmt is pure SLP.
4729         (vect_model_store_cost): Ditto.
4730         (vect_model_load_cost): Ditto.
4731         (vectorizable_store): Remove PURE_SLP check before call
4732         to vect_model_store_cost.
4733         (vect_model_store_cost): When checking whether stmt describe
4734         strided access, add a check that it is not slp_node.
4736 2008-08-06  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4738         PR 8715
4739         * c-common.c (warn_for_sign_compare): New. Handle separately the
4740         case that 'constant' is zero.
4741         * c-typeck.c (build_binary_op): Move code to c-common.c
4743 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4745         * config/alpha/alpha.c (alpha_preferred_reload_class,
4746         alpha_secondary_reload, alpha_emit_set_const_1, function_value,
4747         alpha_output_mi_thunk_osf): Avoid C++ keywords.
4748         * config/arm/arm.c (output_move_vfp, output_move_neon): Likewise.
4749         * config/arm/arm.md: Likewise.
4750         * config/avr/avr-protos.h (preferred_reload_class,
4751         test_hard_reg_class, avr_simplify_comparison_p,
4752         out_shift_with_cnt, class_max_nregs): Likewise.
4753         * config/avr/avr.c (class_max_nregs, avr_simplify_comparison_p,
4754         output_movqi, output_movhi, output_movsisf, out_shift_with_cnt,
4755         preferred_reload_class, test_hard_reg_class): Likewise.
4756         * config/bfin/bfin.c (legitimize_pic_address, hard_regno_mode_ok,
4757         bfin_memory_move_cost, bfin_secondary_reload,
4758         bfin_output_mi_thunk): Likewise.
4759         * config/crx/crx.c (crx_secondary_reload_class,
4760         crx_memory_move_cost): Likewise.
4761         * config/frv/frv-protos.h (frv_secondary_reload_class,
4762         frv_class_likely_spilled_p, frv_class_max_nregs): Likewise.
4763         * config/frv/frv.c (frv_override_options, frv_alloc_temp_reg,
4764         frv_secondary_reload_class, frv_class_likely_spilled_p,
4765         frv_class_max_nregs): Likewise.
4766         * config/h8300/h8300.c (h8300_classify_operand,
4767         h8300_unary_length, h8300_bitfield_length, h8300_asm_insn_count):
4768         Likewise.
4769         * config/i386/winnt.c (i386_pe_declare_function_type): Likewise.
4770         * config/ia64/ia64.c (ia64_preferred_reload_class,
4771         ia64_secondary_reload_class, ia64_output_mi_thunk): Likewise.
4772         * config/iq2000/iq2000.c (gen_int_relational): Likewise.
4773         * config/m32c/m32c.c (class_can_hold_mode, m32c_output_compare):
4774         Likewise.
4775         * config/m68hc11/m68hc11.c (preferred_reload_class,
4776         m68hc11_memory_move_cost): Likewise.
4777         * config/mcore/mcore.c (mcore_secondary_reload_class,
4778         mcore_reload_class): Likewise.
4779         * config/mips/mips.c (mips_hard_regno_mode_ok_p,
4780         mips_class_max_nregs, mips_cannot_change_mode_class,
4781         mips_preferred_reload_class, mips_secondary_reload_class,
4782         mips_output_mi_thunk): Likewise.
4783         * config/mmix/mmix.c (mmix_preferred_reload_class,
4784         mmix_preferred_output_reload_class, mmix_secondary_reload_class):
4785         Likewise.
4786         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
4787         Likewise.
4788         * config/pa/pa.c (pa_secondary_reload, pa_combine_instructions,
4789         pa_can_combine_p, pa_cannot_change_mode_class): Likewise.
4790         * config/pa/pa.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4791         * config/rs6000/rs6000.c (paired_expand_vector_init,
4792         rs6000_secondary_reload_class, rs6000_output_mi_thunk,
4793         compare_section_name, rs6000_memory_move_cost): Likewise.
4794         * config/s390/s390.c (s390_emit_compare_and_swap,
4795         s390_preferred_reload_class, s390_secondary_reload,
4796         legitimize_pic_address, legitimize_tls_address,
4797         legitimize_reload_address, s390_expand_cs_hqi, s390_expand_atomic,
4798         s390_class_max_nregs): Likewise.
4799         * config/s390/s390.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4800         * config/s390/s390.md: Likewise.
4801         * config/score/score-protos.h (score_secondary_reload_class,
4802         score_preferred_reload_class): Likewise.
4803         * config/score/score.c (score_preferred_reload_class,
4804         score_secondary_reload_class): Likewise.
4805         * config/score/score3.c (score3_output_mi_thunk,
4806         score3_preferred_reload_class, score3_secondary_reload_class,
4807         score3_hard_regno_mode_ok): Likewise.
4808         * config/score/score3.h (score3_preferred_reload_class,
4809         score3_secondary_reload_class): Likewise.
4810         * config/score/score7.c (score7_output_mi_thunk,
4811         score7_preferred_reload_class, score7_secondary_reload_class,
4812         score7_hard_regno_mode_ok): Likewise.
4813         * config/score/score7.h (score7_preferred_reload_class,
4814         score7_secondary_reload_class): Likewise.
4815         * config/sh/sh.c (prepare_move_operands, output_far_jump,
4816         output_branchy_insn, add_constant, gen_block_redirect,
4817         sh_insn_length_adjustment, sh_cannot_change_mode_class,
4818         sh_output_mi_thunk, replace_n_hard_rtx, sh_secondary_reload):
4819         Likewise.
4820         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
4821         * config/stormy16/stormy16.c (xstormy16_output_cbranch_hi,
4822         xstormy16_output_cbranch_si, xstormy16_secondary_reload_class,
4823         xstormy16_preferred_reload_class): Likewise.
4824         * config/xtensa/xtensa.c (xtensa_expand_compare_and_swap,
4825         xtensa_expand_atomic, override_options,
4826         xtensa_preferred_reload_class, xtensa_secondary_reload_class):
4827         Likewise.
4828         * reorg.c (try_merge_delay_insns): Likewise.
4829         * tree.c (merge_dllimport_decl_attributes): Likewise.
4831         * config/frv/frv.c (frv_print_operand): Change isalpha to ISALPHA.
4833 2008-08-06  Michael Matz  <matz@suse.de>
4835         * Makefile.in (write_entries_to_file): Quote words.
4836         * gengtype.c: (read_input_line): Skip over leading white-space.
4838 2008-08-06  Marc Gauthier  <marc@tensilica.com>
4840         * config.gcc: Match more processor names for Xtensa.
4841         * configure.ac: Likewise.
4842         * doc/install.texi (Specific): Likewise.
4843         * configure: Regenerate.
4845 2008-08-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4847         * builtins.c (expand_builtin_profile_func): Avoid C++ keywords.
4848         * calls.c (avoid_likely_spilled_reg): Likewise.
4849         * cfgexpand.c (gimple_assign_rhs_to_tree): Likewise.
4850         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Likewise.
4851         * config/i386/i386.c (ix86_expand_special_args_builtin,
4852         ix86_secondary_reload): Likewise.
4853         * except.c (struct eh_region, gen_eh_region_catch,
4854         remove_unreachable_regions, duplicate_eh_regions,
4855         assign_filter_values, build_post_landing_pads,
4856         sjlj_find_directly_reachable_regions, remove_eh_handler,
4857         reachable_next_level, foreach_reachable_handler,
4858         can_throw_internal_1, can_throw_external_1,
4859         collect_one_action_chain): Likewise.
4860         * expr.c (expand_expr_real_1, vector_mode_valid_p): Likewise.
4861         * fold-const.c (twoval_comparison_p, eval_subst): Likewise.
4862         * function.c (update_temp_slot_address, instantiate_new_reg,
4863         instantiate_virtual_regs_in_rtx,
4864         instantiate_virtual_regs_in_insn): Likewise.
4865         * gimple.c (extract_ops_from_tree, gimple_seq_copy): Likewise.
4866         * gimplify.c (gimplify_call_expr, gimplify_init_constructor,
4867         gimplify_cleanup_point_expr): Likewise.
4868         * ipa-cp.c (ipcp_lattice_changed): Likewise.
4869         * passes.c (next_pass_1): Likewise.
4870         * print-tree.c (print_node_brief, print_node): Likewise.
4871         * profile.c (branch_prob): Likewise.
4872         * tree-dump.c (dump_register): Likewise.
4873         * tree-eh.c (replace_goto_queue_cond_clause, lower_catch):
4874         Likewise.
4875         * tree-inline.c (remap_ssa_name, remap_type_1, remap_blocks,
4876         copy_statement_list, remap_gimple_op_r, copy_tree_body_r,
4877         copy_edges_for_bb, copy_cfg_body, copy_tree_r,
4878         copy_arguments_for_versioning, copy_static_chain): Likewise.
4879         * tree-into-ssa.c (names_replaced_by, add_to_repl_tbl,
4880         add_new_name_mapping, register_new_name_mapping): Likewise.
4881         * tree-mudflap.c (mf_xform_derefs): Likewise.
4882         * tree-predcom.c (struct chain, dump_chain, replace_ref_with,
4883         get_init_expr, combine_chains): Likewise.
4884         * tree-pretty-print.c (dump_generic_node): Likewise.
4885         * tree-ssa-structalias.c (create_variable_info_for): Likewise.
4886         * tree-vrp.c (simplify_cond_using_ranges): Likewise.
4887         * tree.c (substitute_in_expr, iterative_hash_expr): Likewise.
4888         * value-prof.c (gimple_duplicate_stmt_histograms): Likewise.
4890 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
4892         PR middle-end/37010
4893         * calls.c (expand_call): Use the biggest preferred stack
4894         boundary.
4896 2008-08-06  Michael Matz  <matz@suse.de>
4898         PR target/36613
4899         * reload.c (push_reload): Merge in,out,in_reg,out_reg members
4900         for reused reload, instead of overwriting them.
4902 2008-08-06  H.J. Lu  <hongjiu.lu@intel.com>
4904         PR middle-end/37009
4905         * cfgexpand.c (expand_stack_alignment): Check parm_stack_boundary
4906         for incoming stack boundary.
4908         * function.c (assign_parm_find_entry_rtl): Update
4909         parm_stack_boundary.
4911         * function.h (rtl_data): Add parm_stack_boundary.
4913         * config/i386/i386.c (ix86_finalize_stack_realign_flags): Check
4914         parm_stack_boundary for incoming stack boundary.
4916 2008-08-06  Joseph Myers  <joseph@codesourcery.com>
4918         * jump.c (rtx_renumbered_equal_p): Do not call subreg_regno_offset
4919         for unrepresentable subregs or treat them as equal to other regs
4920         or subregs with the same register number.
4922 2008-08-06  Aldy Hernandez  <aldyh@redhat.com>
4924         PR middle-end/35432
4925         * gimplify.c (gimplify_modify_expr): Do not optimize zero-sized types
4926         if want_value.
4928 2008-08-06  Jan Hubicka  <jh@suse.cz>
4930         * predict.c (maybe_hot_frequency_p): When profile is absent, all
4931         frequencies might be hot.
4933 2008-08-06  Andreas Krebbel  <krebbel1@de.ibm.com>
4935         * reload.c (find_reloads): Force constants into literal pool
4936         also if they are wrapped in a SUBREG.
4938 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4940         PR target/35659
4941         * haifa-sched.c (sched_insn_is_legitimate_for_speculation_p): Move ...
4942         * sched-deps.c (sched_insn_is_legitimate_for_speculation_p): ... here.
4943         Don't allow predicated instructions for data speculation.
4944         * sched-int.h (sched_insn_is_legitimate_for_speculation_p): Move
4945         declaration.
4947 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4949         * haifa-sched.c (extend_global): Split to extend_global_data and
4950         extend_region_data.  Update all uses.
4951         (extend_all): Rename to extend_block_data.
4953 2008-08-06  Maxim Kuvyrkov  <maxim@codesourcery.com>
4955         * sched-rgn.c (new_ready): Check if instruction can be
4956         speculatively scheduled before attempting speculation.
4957         (debug_rgn_dependencies): Remove wrongful assert.
4959 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
4961         * config/xtensa/t-xtensa: Remove dependency for gt-xtensa.h.
4963 2008-08-05  Bob Wilson  <bob.wilson@acm.org>
4965         * config/xtensa/xtensa.c (xtensa_va_start): Unshare valist.
4966         (xtensa_gimplify_va_arg_expr): Unshare valist, orig_ndx, ndx, array,
4967         va_size, and type_size.
4969 2008-08-04  Jason Merrill  <jason@redhat.com>
4971         PR c++/37016
4972         * tree-ssa.c (useless_type_conversion_p_1): Call langhook
4973         if TYPE_STRUCTURAL_EQUALITY_P is true for both types.
4975 2008-08-05  Richard Henderson  <rth@redhat.com>
4977         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): Check .cfi_personality.
4978         * configure: Rebuild.
4980 2008-08-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4982         PR tree-opt/37024
4983         * tree-tailcall.c (process_assignment): Use gimple_assign_cast_p
4984         instead of IS_CONVERT_EXPR_CODE_P for seeing if the assignment
4985         is a conversion.
4987 2008-08-05  Richard Henderson  <rth@redhat.com>
4989         * Makefile.in (c-cppbuiltin.o): Depend on debug.h.
4990         * c-cppbuiltin.c (c_cpp_builtins): Define __GCC_HAVE_DWARF2_CFI_ASM.
4991         * doc/cpp.texi (__GCC_HAVE_DWARF2_CFI_ASM): Document it.
4992         * common.opt (fdwarf2-cfi-asm): New.
4993         * configure.ac (HAVE_GAS_CFI_DIRECTIVE): New.
4994         * config.in, configure: Rebuild.
4995         * dwarf2asm.c (dw2_asm_output_data_raw): New.
4996         (dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_sleb128_raw): New.
4997         (dw2_force_const_mem): Externalize.
4998         * dwarf2asm.h: Update.
4999         * dwarf2out.c (dwarf2out_cfi_label): If flag_dwarf2_cfi_asm, don't
5000         generate a real label.
5001         (output_cfi_directive): New.
5002         (add_fde_cfi): If flag_dwarf2_cfi_asm, use it.
5003         (output_call_frame_info): Do nothing if flag_dwarf2_cfi_asm.
5004         (dwarf2out_begin_prologue): Emit .cfi_startproc, .cfi_personality,
5005         and .cfi_lsda.
5006         (dwarf2out_end_epilogue): Emit .cfi_endproc.
5007         (output_loc_operands_raw, output_loc_sequence_raw): New.
5008         (output_cfa_loc_raw): New.
5010 2008-08-05  Paul Brook  <paul@codesourcery.com>
5012         * doc/invoke.texi: Document new ARM -mfpu= and -mcpu= options.
5013         * config/arm/arm.c (all_fpus): Add vfpv3 and vfpv3-d16.
5014         (fp_model_for_fpu): Add entry for FPUTYPE_VFP3D16.
5015         (arm_file_start): Add FPUTYPE_VFP3D16.  Rename vfp3 to vfpv3.
5016         * config/arm/arm.h (TARGET_VFPD32): Define.
5017         (TARGET_VFP3): Use TARGET_VFPD32.
5018         (fputype): Add FPUTYPE_VFP3D16.
5019         (LAST_VFP_REGNUM): Use TARGET_VFPD32.
5020         * config/arm/constraints.md ("w"): Use TARGET_VFPD32.
5021         * config/arm/arm-cores.def: Add cortex-r4f.
5022         * config/arm/arm-tune.md: Regenerate.
5024 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5026         * config/spu_spu_mfcio.h: Wrap in extern "C" if __cplusplus.
5027         Reword some comments throughout the file.
5029         (MFC_MIN_DMA_LIST_ELEMENTS): New define.
5030         (MFC_MAX_DMA_LIST_ELEMENTS): Likewise.
5031         (MFC_MIN_DMA_LIST_SIZE): Redefine in terms of MFC_MIN_DMA_LIST_ELEMENTS.
5032         (MFC_MAX_DMA_LIST_SIZE): Redefine in terms of MFC_MAX_DMA_LIST_ELEMENTS.
5034         (MFC_START_ENABLE): Remove PPU-only define.
5035         (MFC_PUTS_CMD, MFC_PUTFS_CMD, MFC_PUTBS_CMD): Likewise.
5036         (MFC_GETS_CMD, MFC_GETFS_CMD, MFC_GETBS_CMD): Likewise.
5038         (MFC_PUTB_CMD, MFC_PUTF_CMD): Reimplement using symbolic constants.
5039         (MFC_PUTL_CMD, MFC_PUTLB_CMD, MFC_PUTLF_CMD): Likewise.
5040         (MFC_PUTR_CMD, MFC_PUTRB_CMD, MFC_PUTRF_CMD): Likewise.
5041         (MFC_PUTRL_CMD, MFC_PUTRLB_CMD, MFC_PUTRLF_CMD): Likewise.
5042         (MFC_GETB_CMD, MFC_GETF_CMD): Likewise.
5043         (MFC_GETL_CMD, MFC_GETLB_CMD, MFC_GETLF_CMD): Likewise.
5044         (MFC_SNDSIGB_CMD, MFC_SNDSIGF_CMD): Likewise.
5046         (MFC_SDCRT_CMD, MFC_SDCRTST_CMD): New defines.
5047         (MFC_SDCRZ_CMD, MFC_SDCRST_CMD, MFC_SDCRF_CMD): Likewise.
5048         (mfc_sdcrt, mfc_sdcrtst): Likewise.
5049         (mfc_sdcrz, mfc_sdcrst, mfc_sdcrf): Likewise.
5051         (spu_read_machine_status): Fix typo.
5053 2008-08-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5055         * config/spu/spu.h (CANNOT_CHANGE_MODE_CLASS): Allow (multi)word-sized
5056         SUBREG of multi-word hard register.
5057         * config/spu/spu.c (valid_subreg): Likewise.
5058         (adjust_operand): Handle SUBREGs of multi-word hard registers.
5060 2008-08-04  Richard Guenther  <rguenther@suse.de>
5062         * tree-ssa-loop-ivopts.c (add_iv_value_candidates): Also add
5063         the candidate with the stripped base if that base is different
5064         from the original base even for offset zero.
5066 2008-08-04  Richard Guenther  <rguenther@suse.de>
5068         PR middle-end/36691
5069         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Correctly
5070         check for no_overflow.
5072 2008-08-04  Richard Guenther  <rguenther@suse.de>
5074         * tree-vect-transform.c (vectorizable_call): Fix tuplification.
5076 2008-08-04  Paul Brook  <paul@codesourcery.com>
5078         * cofig/arm/arm.c (thumb_core_reg_alloc_order): New.
5079         (arm_order_regs_for_local_alloc): New function.
5080         * config/arm/arm-protos.h (arm_order_regs_for_local_alloc): Add
5081         prototype.
5082         * config/arm/arm.h (ORDER_REGS_FOR_LOCAL_ALLOC): Define.
5084 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
5086         PR target/37012
5087         * config/i386/i386.c (ix86_expand_prologue): Use UNITS_PER_WORD
5088         instead of STACK_BOUNDARY / BITS_PER_UNIT to align stack.
5089         (ix86_expand_epilogue): Likewise.
5091 2008-08-04  H.J. Lu  <hongjiu.lu@intel.com>
5093         * config/i386/i386.c (ix86_compute_frame_layout): Fix a typo
5094         in comments.
5096 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
5098         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use Yi instead of x
5099         to avoid inter-unit moves for !TARGET_INTER_UNIT_MOVES.
5100         (*movv2sf_internal_rex64): Ditto.
5102 2008-08-03  Jan Hubicka  <jh@suse.cz>
5104         * optabs.c (expand_binop, expand_builtin_pow, expand_builtin_powi,
5105         expand_builtin_strcat): Upse optimize_insn_for_speed predicate.
5106         * expmed.c (expand_smod_pow2): Likewise.
5108 2008-08-03  Uros Bizjak  <ubizjak@gmail.com>
5110         PR target/36992
5111         * config/i386/sse.md (vec_concatv2di): Add Y2 constraint to
5112         alternative 0 of operand 1.
5113         (*vec_concatv2di_rex64_sse): Ditto.
5114         (*vec_concatv2di_rex64_sse4_1): Add x constraint to alternative 0
5115         of operand 1.
5116         (*sse2_storeq_rex64): Penalize allocation of "r" registers.
5117         * config/i386/mmx.md (*mov<mode>_internal_rex64): Penalize allocation
5118         of "Y2" registers to avoid SSE <-> MMX conversions for DImode moves.
5119         (*movv2sf_internal_rex64): Ditto.
5121 2008-08-02  Richard Guenther  <rguenther@suse.de>
5123         PR target/35252
5124         * config/i386/sse.md (SSEMODE4S, SSEMODE2D): New mode iterators.
5125         (ssedoublesizemode): New mode attribute.
5126         (sse_shufps): Call gen_sse_shufps_v4sf.
5127         (sse_shufps_1): Macroize.
5128         (sse2_shufpd): Call gen_Sse_shufpd_v2df.
5129         (sse2_shufpd_1): Macroize.
5130         (vec_extract_odd, vec_extract_even): New expanders.
5131         (vec_interleave_highv4sf, vec_interleave_lowv4sf,
5132         vec_interleave_highv2df, vec_interleave_lowv2df): Likewise.
5133         * i386.c (ix86_expand_vector_init_one_nonzero): Call
5134         gen_sse_shufps_v4sf instead of gen_sse_shufps_1.
5135         (ix86_expand_vector_set): Likewise.
5136         (ix86_expand_reduc_v4sf): Likewise.
5138 2008-08-01  Doug Kwan  <dougkwan@google.com>
5140         * matrix-reorg.c: Re-enable all code.
5141         (struct malloc_call_data): Change CALL_STMT to gimple type.
5142         (collect_data_for_malloc_call): Tuplify.
5143         (struct access_site_info): Change STMT to gimple type.
5144         (struct matrix_info): Change MIN_INDIRECT_LEVEL_ESCAPE_STMT,
5145         and MALLOC_FOR_LEVEL to gimple and gimple pointer type.
5146         (struct free_info): Change STMT to gimple type.
5147         (struct matrix_access_phi_node):  Change PHI to gimple type.
5148         (get_inner_of_cast_expr): Remove.
5149         (may_flatten_matrices_1): Tuplify.
5150         (may_flatten_matrices): Ditto.
5151         (mark_min_matrix_escape_level): Ditto.
5152         (ssa_accessed_in_tree): Refactor statement RHS related code into ...
5153         (ssa_accessed_in_call_rhs): New
5154         (ssa_accessed_in_assign_rhs): New
5155         (record_access_alloc_site_info): Tuplify.
5156         (add_allocation_site): Ditto.
5157         (analyze_matrix_allocation_site): Ditto.
5158         (analyze_transpose): Ditto.
5159         (get_index_from_offset): Ditto.
5160         (update_type_size): Ditto.
5161         (analyze_accesses_for_call_expr): Tuplify and renamed into ...
5162         (analyze_accesses_for_call_stmt): New. Also handle LHS of a call.
5163         (analyze_accesses_for_phi_node): Tuplify.
5164         (analyze_accesses_for_modify_stmt): Tuplify and renamed into ...
5165         (analyze_accesses_for_assign_stmt): Remove code for handling call LHS.
5166         (analyze_matrix_accesses): Tuplify.
5167         (check_var_data): New call-back type for check_var_notmodified_p.
5168         (check_var_notmodified_p): Tuplify and use call-back struct to
5169         return statement found.
5170         (can_calculate_expr_before_stmt): Factor out statement related code
5171         into ...
5172         (can_calculate_stmt_before_stmt): New.
5173         (check_allocation_function): Tuplify.
5174         (find_sites_in_func): Ditto.
5175         (record_all_accesses_in_func): Ditto.
5176         (transform_access_sites): Ditto.
5177         (transform_allocation_sites): Ditto.
5178         (matrix_reorg): Re-enable.
5179         (gate_matrix_reorg): Re-enable.
5181 2008-08-01  Jakub Jelinek  <jakub@redhat.com>
5183         * dwarf2out.c (compute_barrier_args_size): Set barrier_args_size
5184         for labels for which it hasn't been set yet.  If it has been set,
5185         stop walking insns and continue with next worklist item.
5186         (dwarf2out_stack_adjust): Don't call compute_barrier_args_size
5187         if the only BARRIER is at the very end of a function.
5189 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
5191         * cfgexpand.c (expand_stack_alignment): Assert that
5192         stack_realign_drap and drap_rtx must match.
5194         * function.c (instantiate_new_reg): If DRAP is used to realign
5195         stack, replace virtual_incoming_args_rtx with internal arg
5196         pointer.
5198 2008-08-01  Richard Guenther  <rguenther@suse.de>
5200         * tree-ssa-pre.c (fini_pre): Take in_fre parameter.  Free
5201         loop information only if we initialized it.
5202         (execute_pre): Call fini_pre with in_fre.
5203         * tree-ssa-loop-ivcanon (try_unroll_loop_completely): Dump
5204         if we do not unroll because we hit max-completely-peeled-insns.
5205         Use our estimation for consistency, do allow shrinking.
5207 2008-08-01  H.J. Lu  <hongjiu.lu@intel.com>
5209         * config/i386/i386.c (override_options): Replace ABI_STACK_BOUNDARY
5210         with MIN_STACK_BOUNDARY.
5211         (ix86_update_stack_boundary): Likewise.
5212         (ix86_expand_prologue): Assert MIN_STACK_BOUNDARY instead of
5213         STACK_BOUNDARY.
5215         * config/i386/i386.h (ABI_STACK_BOUNDARY): Renamed to ...
5216         (MIN_STACK_BOUNDARY): This.
5218 2008-08-01  Richard Guenther  <rguenther@suse.de>
5220         PR middle-end/36997
5221         * gimplify.c (gimplify_call_expr): Set error_mark_node on GS_ERROR.
5223 2008-08-01  Richard Guenther  <rguenther@suse.de>
5225         PR tree-optimization/36988
5226         * tree-ssa-ccp.c (ccp_fold): Conversions of constants only
5227         do not matter if that doesn't change volatile qualification.
5229 2008-08-01  Paolo Bonzini  <bonzini@gnu.org>
5231         * configure.ac: Do not generate libada-mk.  Do not subst
5232         host_cc_for_libada.
5233         * libada-mk.in: Remove.
5234         * Makefile.in: Pass TARGET_LIBGCC2_CFLAGS to libgcc.mvars.
5235         * configure: Regenerate.
5237 2008-08-01  Basile Starynkevitch  <basile@starynkevitch.net>
5239         * tree-pass.h: Added comment about not dumping passes with name
5240         starting with star in struct opt_pass.
5241         * passes.c (register_dump_files_1): Don't do dump for a pass with
5242         name starting with star.
5243         * doc/passes.texi (Pass manager): Mention pass names and special
5244         meaning of star prefix to avoid dump.
5246 2008-07-31  Adam Nemet  <anemet@caviumnetworks.com>
5248         * config.gcc (mipsisa64r2*-*-linux*): New configuration.  Set ISA
5249         to MIPS64r2.
5250         * config/mips/mips.h (GENERATE_MIPS16E): Update comment.
5251         (ISA_MIPS64R2): New macro.
5252         (TARGET_CPU_CPP_BUILTINS, MULTILIB_ISA_DEFAULT): Handle it.
5253         (ISA_HAS_64BIT_REGS, ISA_HAS_MUL3, ISA_HAS_FP_CONDMOVE,
5254         ISA_HAS_8CC, ISA_HAS_FP4, ISA_HAS_PAIRED_SINGLE,
5255         ISA_HAS_MADD_MSUB, ISA_HAS_NMADD4_NMSUB4, ISA_HAS_CLZ_CLO,
5256         ISA_HAS_ROR, ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX, ISA_HAS_SEB_SEH,
5257         ISA_HAS_EXT_INS, ISA_HAS_MXHC1, ISA_HAS_HILO_INTERLOCKS,
5258         ISA_HAS_SYNCI, MIN_FPRS_PER_FMT): Return true for ISA_MIPS64R2.
5259         (MIPS_ISA_LEVEL_SPEC, ASM_SPEC, LINK_SPEC): Handle -mips64r2.
5260         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF):
5261         Move up to keep list alphabetically sorted.
5262         (TUNE_20KC, TUNE_24K, TUNE_74K, TUNE_LOONGSON_2EF): Likewise.
5263         * config/mips/mips.c (mips_cpu_info_table): Add default MIPS64r2
5264         processor.
5265         * doc/invoke.texi (MIPS Options): Add -mips64r2.
5266         (-march=@var{arch}): Add mips64r2.
5268 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5270         * config/i386/darwin.h (MAIN_STACK_BOUNDARY): Define to 128.
5272 2008-07-31  Steve Ellcey  <sje@cup.hp.com>
5274         * expr.c (expand_assignment): Check for complete type.
5276 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5278         PR debug/36977
5279         * cfgexpand.c (expand_stack_alignment): Set stack_realign_tried.
5281         * dwarf2out.c (based_loc_descr): Check crtl->stack_realign_tried
5282         for stack alignment.
5284         * function.h (rtl_data): Add stack_realign_tried.  Update comments.
5286 2008-07-31  Kaz Kojima  <kkojima@gcc.gnu.org>
5288         * config/sh/sh.c (sh_canonical_va_list_type): Remove.
5289         (TARGET_CANONICAL_VA_LIST_TYPE): Remove.
5291 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
5293         PR rtl-optimization/36419
5294         * dwarf2out.c (barrier_args_size): New variable.
5295         (compute_barrier_args_size, compute_barrier_args_size_1): New
5296         functions.
5297         (dwarf2out_stack_adjust): For BARRIERs call compute_barrier_args_size
5298         if not called yet in the current function, use barrier_args_size
5299         array to find the new args_size value.
5300         (dwarf2out_frame_debug): Free and clear barrier_args_size.
5302 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5304         PR debug/36980
5305         * dwarf2out.c (dwarf2out_frame_debug_expr): Move rule 17 before
5306         rule 19.
5308 2008-07-31  H.J. Lu  <hongjiu.lu@intel.com>
5310         PR debug/36976
5311         * dwarf2out.c (dwarf2out_args_size_adjust): New.
5312         (dwarf2out_stack_adjust): Use it.
5313         (dwarf2out_frame_debug_expr): Likewise.
5315 2008-07-31  Richard Guenther  <rguenther@suse.de>
5317         PR tree-optimization/36978
5318         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Do not fold
5319         the generated condition.
5321 2008-07-31  Richard Guenther  <rguenther@suse.de>
5323         * passes.c (init_optimization_passes): Always call
5324         pass_early_warn_uninitialized.
5325         * opts.c (decode_options): Do not warn about -Wuninitialized at -O0.
5326         * doc/invoke.texi (-Wuninitialized): Correct for enabling at -O0.
5327         * doc/passes.texi (Warn for uninitialized variables): Adjust.
5329 2008-07-31  Jakub Jelinek  <jakub@redhat.com>
5331         PR c/36970
5332         * builtins.c (maybe_emit_free_warning): New function.
5333         (expand_builtin): Process BUILT_IN_FREE even at -O0.  Call
5334         maybe_emit_free_warning for BUILT_IN_FREE.
5336         PR debug/36278
5337         * dwarf2out.c (get_context_die): New function.
5338         (force_decl_die, force_type_die): Use it.
5339         (dwarf2out_imported_module_or_decl): Likewise.  If base_type_die
5340         returns NULL, force generation of DW_TAG_typedef and put that into
5341         DW_AT_import.
5343         PR preprocessor/36649
5344         * c-pch.c (c_common_read_pch): Save and restore
5345         line_table->trace_includes across PCH restore.
5347 2008-07-30  Eric Botcazou  <ebotcazou@adacore.com>
5349         PR ada/36554
5350         * dwarf2out.c (is_subrange_type): Deal with BOOLEAN_TYPE.
5352 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
5354         PR 36974
5355         * final.c (call_from_call_insn): Handle COND_EXEC.
5357 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5359         * builtins.c (std_gimplify_va_arg_expr): Replace
5360         PREFERRED_STACK_BOUNDARY with MAX_SUPPORTED_STACK_ALIGNMENT.
5361         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5363 2008-07-30  Joey Ye  <joey.ye@intel.com>
5364             H.J. Lu  <hongjiu.lu@intel.com>
5366         * builtins.c (expand_builtin_setjmp_receiver): Replace
5367         virtual_incoming_args_rtx with crtl->args.internal_arg_pointer.
5368         (expand_builtin_apply_args_1): Likewise.
5369         (expand_builtin_longjmp): Need DRAP for stack alignment.
5370         (expand_builtin_apply): Likewise.
5372         * caller-save.c (setup_save_areas): Call assign_stack_local_1
5373         instead of assign_stack_local to allow alignment reduction.
5375         * calls.c (emit_call_1): Need DRAP for stack alignment if
5376         return pops.
5377         (expand_call): Replace virtual_incoming_args_rtx with
5378         crtl->args.internal_arg_pointer.
5379         * stmt.c (expand_nl_goto_receiver): Likewise.
5381         * cfgexpand.c (get_decl_align_unit): Estimate stack variable
5382         alignment and store to stack_alignment_estimated and
5383         max_used_stack_slot_alignment.
5384         (expand_one_var): Likewise.
5385         (expand_stack_alignment): New function.
5386         (tree_expand_cfg): Initialize max_used_stack_slot_alignment
5387         and stack_alignment_estimated fields in rtl_data.  Call
5388         expand_stack_alignment at end.
5390         * defaults.h (INCOMING_STACK_BOUNDARY): New.
5391         (MAX_STACK_ALIGNMENT): Likewise.
5392         (MAX_SUPPORTED_STACK_ALIGNMENT): Likewise.
5393         (SUPPORTS_STACK_ALIGNMENT): Likewise.
5395         * emit-rtl.c (gen_reg_rtx): Estimate stack alignment for
5396         stack alignment when generating virtual registers.
5398         * function.c (assign_stack_local): Renamed to ...
5399         (assign_stack_local_1): This.  Add a parameter to indicate
5400         if it is OK to reduce alignment.
5401         (assign_stack_local): Use it.
5402         (instantiate_new_reg): Instantiate virtual incoming args rtx
5403         to vDRAP if stack realignment and DRAP is needed.
5404         (assign_parms): Collect parameter/return type alignment and
5405         contribute to stack_alignment_estimated.
5406         (locate_and_pad_parm): Likewise.
5407         (get_arg_pointer_save_area): Replace virtual_incoming_args_rtx
5408         with crtl->args.internal_arg_pointer.
5410         * function.h (rtl_data): Add new field drap_reg,
5411         max_used_stack_slot_alignment, stack_alignment_estimated,
5412         stack_realign_needed, need_drap, stack_realign_processed and
5413         stack_realign_finalized.
5414         (stack_realign_fp): New macro.
5415         (stack_realign_drap): Likewise.
5417         * global.c (compute_regsets): Frame pointer is needed when
5418         stack is realigned.  Can eliminate frame pointer when stack is
5419         realigned and dynamic realigned argument pointer isn't used.
5421         * reload1.c (update_eliminables):  Frame pointer is needed
5422         when stack is realigned.
5423         (init_elim_table): Can eliminate frame pointer when stack is
5424         realigned and dynamic realigned argument pointer isn't used.
5426         * rtl.h (assign_stack_local_1): Declare new funtion.
5428         * target-def.h (TARGET_UPDATE_STACK_BOUNDARY): New.
5429         (TARGET_GET_DRAP_RTX): Likewise.
5430         (TARGET_CALLS): Add TARGET_UPDATE_STACK_BOUNDARY and
5431         TARGET_GET_DRAP_RTX.
5433         * target.h (gcc_target): Add update_stack_boundary and get_drap_rtx.
5435         * tree-vectorizer.c (vect_can_force_dr_alignment_p): Replace
5436         STACK_BOUNDARY with MAX_STACK_ALIGNMENT.
5438 2008-07-30  Xuepeng Guo  <xuepeng.guo@intel.com>
5439             H.J. Lu  <hongjiu.lu@intel.com>
5441         * dwarf2out.c (dw_fde_struct): Add stack_realignment, drap_reg,
5442         vdrap_reg, stack_realign and drap_reg_saved.
5443         (add_cfi): Don't allow redefining CFA when DRAP is used.
5444         (reg_save): Handle stack alignment.
5445         (dwarf2out_frame_debug_expr): Add rules 16-20 to handle stack
5446         alignment.  Don't generate DWARF information for (set fp sp)
5447         when DRAP is used.
5448         (dwarf2out_begin_prologue): Initialize drap_reg and vdrap_reg
5449         to INVALID_REGNUM.
5450         (int_loc_descriptor): Move prototype forward.  Also define if
5451         DWARF2_UNWIND_INFO is true.
5452         (output_cfa_loc): Handle DW_CFA_expression.
5453         (build_cfa_aligned_loc): New.
5454         (based_loc_descr): Update assert for stack realign.  For local
5455         variables, use sp+offset when stack is aligned without drap and
5456         fp+offset when stack is aligned with drap.  For arguments, use
5457         cfa+offset when drap is used to align stack.
5459 2008-07-30  Joey Ye  <joey.ye@intel.com>
5460             H.J. Lu  <hongjiu.lu@intel.com>
5462         * config/i386/i386.c (ix86_force_align_arg_pointer_string):
5463         Break long line.
5464         (ix86_gen_andsp): New.
5465         (ix86_user_incoming_stack_boundary): Likewise.
5466         (ix86_default_incoming_stack_boundary): Likewise.
5467         (ix86_incoming_stack_boundary): Likewise.
5468         (ix86_can_eliminate): Likewise.
5469         (find_drap_reg): Likewise.
5470         (ix86_update_stack_boundary): Likewise.
5471         (ix86_get_drap_rtx): Likewise.
5472         (ix86_finalize_stack_realign_flags): Likewise.
5473         (TARGET_UPDATE_STACK_BOUNDARY): Likewise.
5474         (TARGET_GET_DRAP_RTX): Likewise.
5475         (override_options): Overide option value for new options.
5476         (ix86_function_ok_for_sibcall): Remove check for
5477         force_align_arg_pointer.
5478         (ix86_handle_cconv_attribute): Likewise.
5479         (ix86_function_regparm): Likewise.
5480         (setup_incoming_varargs_64): Don't set stack_alignment_needed here.
5481         (ix86_va_start): Replace virtual_incoming_args_rtx with
5482         crtl->args.internal_arg_pointer.
5483         (ix86_select_alt_pic_regnum): Check DRAP register.
5484         (ix86_save_reg): Replace force_align_arg_pointer with drap_reg.
5485         (ix86_compute_frame_layout): Compute frame layout wrt stack
5486         realignment.
5487         (ix86_internal_arg_pointer): Just return virtual_incoming_args_rtx.
5488         (ix86_expand_prologue): Decide if stack realignment is needed
5489         and generate prologue code accordingly.
5490         (ix86_expand_epilogue): Generate epilogue code wrt stack
5491         realignment is really needed or not.
5493         * config/i386/i386.h (MAIN_STACK_BOUNDARY): New.
5494         (ABI_STACK_BOUNDARY): Likewise.
5495         (PREFERRED_STACK_BOUNDARY_DEFAULT): Likewise.
5496         (STACK_REALIGN_DEFAULT): Likewise.
5497         (INCOMING_STACK_BOUNDARY): Likewise.
5498         (MAX_STACK_ALIGNMENT): Likewise.
5499         (ix86_incoming_stack_boundary): Likewise.
5500         (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Removed.
5501         (REAL_PIC_OFFSET_TABLE_REGNUM): Updated to use BX_REG.
5502         (CAN_ELIMINATE): Defined with ix86_can_eliminate.
5503         (machine_function): Remove force_align_arg_pointer.
5505         * config/i386/i386.md (BX_REG): New.
5506         (R13_REG): Likewise.
5508         * config/i386/i386.opt (mforce_drap): New.
5509         (mincoming-stack-boundary): Likewise.
5510         (mstackrealign): Add Init(-1).
5512         * config/i386/i386-protos.h (ix86_can_eliminate): New
5514 2008-07-30  H.J. Lu  <hongjiu.lu@intel.com>
5516         * doc/extend.texi: Update force_align_arg_pointer.
5518         * doc/invoke.texi: Document -mincoming-stack-boundary.  Update
5519         -mstackrealign.
5521         * doc/tm.texi (MAX_STACK_ALIGNMENT): Add macro.
5522         (INCOMING_STACK_BOUNDARY): Likewise.
5523         (TARGET_UPDATE_STACK_BOUNDARY): New target hook.
5524         (TARGET_GET_DRAP_RTX): Likewise.
5526 2008-07-30  Andreas Schwab  <schwab@suse.de>
5528         PR rtl-optimization/36929
5529         * dse.c (replace_inc_dec): Use emit_insn_before instead of
5530         add_insn_before and fix argument order.
5531         (replace_inc_dec_mem): Handle NULL rtx.
5533 2008-07-30  Andrew Jenner  <andrew@codesourcery.com>
5535         * config/arm/arm.c (arm_compute_static_chain_stack_bytes): New
5536         function.
5537         (arm_compute_initial_elimination_offset): Use it.
5538         (arm_compute_save_reg_mask): Include static chain save slot when
5539         calculating alignment.
5540         (arm_get_frame_offsets): Ditto.
5541         (thumb1_compute_save_reg_mask): Ensure we have a low register saved
5542         that we can use to decrement the stack when the stack decrement
5543         could be too big for an immediate value in a single insn.
5544         (thumb1_expand_prologue): Avoid using r12 for stack decrement.
5546 2008-07-30  Richard Guenther  <rguenther@suse.de>
5548         PR tree-optimization/36967
5549         * tree-predcom.c (remove_stmt): Use gimple_assign_ssa_name_copy_p.
5550         Release defs of statements we remove.
5552 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
5554         * config/arm/arm.c (arm_expand_prologue): Use 0-length rtvec
5555         instead of NULL_RTVEC.
5557 2008-07-30  Nathan Froyd  <froydnj@codesourcery.com>
5559         PR target/35866
5561         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Add clause for
5562         vector modes.
5564 2008-07-30  Rafael Avila de Espindola  <espindola@google.com>
5566         * final.c (call_from_call_insn): New.
5567         (final_scan_insn): Call assemble_external on FUNCTION_DECLs.
5569 2008-07-30  Paolo Bonzini  <bonzini@gnu.org>
5571         * configure.ac: Substitute ADA_CFLAGS.
5572         * configure: Regenerate.
5573         * config.host: Remove mention of pa/x-ada and pa/x-ada-hpux10 files.
5574         * Makefile.in: Remove mention of X_* variables.
5575         * config/pa/x-ada-hpux10: Remove.
5576         * config/pa/x-ada: Remove.
5578         * doc/fragments.texi: Update.
5580 2008-07-30  Olivier Hainque  <hainque@adacore.com>
5582         * config/mips/irix-crti.asm: .hide __gcc_init and __gcc_fini.
5583         * config/mips/iris6.h (IRIX_SUBTARGET_LINK_SPEC, irix ld): Hide
5584         __dso_handle explicitly here.
5586 2008-07-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5588         PR 34389
5589         * c-typeck.c (build_binary_op): Encapsulate code into...
5590         * c-common.c (shorten_binary_op): ...this new function.
5591         (conversion_warning): Use the new function. Handle non-negative
5592         constant in bitwise-and.
5593         * c-common.h (shorten_binary_op): Declare.
5595 2008-07-30  Olivier Hainque  <hainque@adacore.com>
5597         * scan.c (make_sstring_space): Add explicit conversions of
5598         allocator's return value.
5599         * fix-header.c (recognized_function): Likewise.
5601 2008-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5603         * doc/cpp.texi: Update to GFDL 1.2.
5604         * doc/gcc.texi: Do not list GPL as Invariant Section.
5605         * doc/gccint.texi: Likewise.  Update copyright years.
5606         * doc/install.texi: Update copyright years.
5608 2008-07-30  Alan Modra  <amodra@bigpond.net.au>
5610         PR target/36955
5611         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Add
5612         a use of pic_offset_table_rtx for -msecure-plt __tls_get_addr calls.
5614 2008-07-29  Jan Hubicka  <jh@suse.cz>
5616         * c-decl.c (merge_decls): Do not handle DECL_INLINE.
5617         (grokdeclarator): Likewise.
5618         * langhooks.c (lhd_warn_unused_global_decl): Use
5619         DECL_DECLARED_INLINE_P.
5620         * print-tree.c (print_node): Remove DECL_INLINE check.
5622 2008-07-29  Richard Guenther  <rguenther@suse.de>
5624         PR tree-optimization/36945
5625         * tree-ssa-sccvn.h (copy_reference_ops_from_ref): Declare.
5626         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Export.
5627         Record invariant addresses un-decomposed.
5628         (copy_reference_ops_from_call): Record reference call
5629         arguments properly.  Simplify.
5630         * tree-ssa-pre.c (create_component_ref_by_pieces_1): New
5631         helper split out from ...
5632         (create_component_ref_by_pieces): ... here.  Simplify.
5633         Prepare for recursive invocation for call arguments.
5634         (create_expression_by_pieces): Adjust call to
5635         create_component_ref_by_pieces.
5636         (compute_avail): Process operand 2 of reference ops.
5638 2008-07-29  Richard Guenther  <rguenther@suse.de>
5640         * gimplify.c (gimplify_expr): Clear TREE_SIDE_EFFECTS for OBJ_TYPE_REF.
5642 2008-07-29  Jakub Jelinek  <jakub@redhat.com>
5644         * c-format.c (check_format_types): Revert unwanted checkin.
5646 2008-07-29  Jan Hubicka  <jh@suse.cz>
5648         * flags.h (flag_really_no_inline): Remove.
5649         * cgraph.c (cgraph_function_possibly_inlined_p): Simplify.
5650         * toplev.c (flag_really_no_inline): Remove.
5651         * c-cppbuiltin.c (c_cpp_builtins): Use flag_no_inline.
5652         * ipa-inline.c (cgraph_decide_inlining): Do not check flag_no_inline.
5653         (cgraph_decide_inlining_incrementally): Likewise.
5654         (compute_inline_parameters): Likewise.
5655         * opts.c (decode_options): Simplify.
5656         * c-opts.c (c_common_post_options): Do not set flag_no_inline.
5657         * common.opt (finline): Initialize to 1.
5658         * tree-inline.c (inlinable_function_p): Check flag_no_inline.
5660 2008-07-29  Jan Hubicka  <jh@suse.cz>
5662         * predict.c (always_optimize_for_size_p): New function.
5663         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
5664         optimize_edge_for_size_p, optimize_edge_for_speed_p,
5665         optimize_insn_for_size_p, optimize_insn_for_speed_p): New global
5666         functions.
5667         (rtl_profile_for_bb, rtl_profile_for_edge, rtl_default_profile): New.
5668         * function.c (prepare_function_start): Set default profile.
5669         * function.h (rtl_data): Add maybe_hot_insn_p.
5670         * cfgexpand.c (expand_gimple_basic_block): Set RTL profile.
5671         (construct_exit_block): Likewise.
5672         (tree_expand_cfg): Likewise.
5673         * basic-block.h
5674         (optimize_bb_for_size_p, optimize_bb_for_speed_p,
5675         optimize_edge_for_size_p, optimize_edge_for_speed_p,
5676         optimize_insn_for_size_p, optimize_insn_for_speed_p): Declare.
5677         (rtl_profile_for_bb, rtl_profile_for_edge, default_rtl_profile):
5678         Declare.
5680 2008-07-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5682         PR 34985
5683         * c-decl.c (merge_decls): Merge USED flags.
5685 2008-07-29  Kaz Kojima  <kkojima@gcc.gnu.org>
5687         * config/sh/sh.c (sh_gimplify_va_arg_expr): Unshare the addr,
5688         valist, next_fp, next_fp_tmp, next_fp_limit, next_o, next_o_limit,
5689         next_stack, lab_false and lab_over trees.
5691 2008-07-28  Richard Guenther  <rguenther@suse.de>
5693         PR tree-optimization/36957
5694         * tree-flow.h (tree_ssa_useless_type_conversion): Remove.
5695         (useless_type_conversion_p): Remove.
5696         (types_compatible_p): Remove.
5697         * gimple.h (tree_ssa_useless_type_conversion): Declare.
5698         (useless_type_conversion_p): Declare.
5699         (types_compatible_p): Declare.
5700         (gimple_expr_type): Return the base type only if it is
5701         trivially convertible to the subtype.
5703 2008-07-28  Andreas Tobler  <a.tobler@schweiz.org>
5705         * configure.ac: Use the m4_do macro to concatenate the warnings into
5706         one string in ACX_PROG_CC_WARNING_OPTS,
5707         ACX_PROG_CC_WARNING_ALMOST_PEDANTIC and ACX_PROG_CC_WARNINGS_ARE_ERRORS.
5708         * configure: Regenerate.
5710 2008-07-28  Richard Guenther  <rguenther@suse.de>
5712         * tree-ssa-pre.c (insert_into_preds_of_block): Remove dead code.
5713         (insert_fake_stores): Remove.
5714         (realify_fake_stores): Likewise.
5715         (execute_pre): Remove dead code.
5716         * tree-ssa-structalias.c (get_constraint_for_1): Remove tcc_unary case.
5717         (find_func_aliases): Deal with it here instead.
5718         Re-enable gcc_unreachable call.
5720 2008-07-28  Richard Guenther  <rguenther@suse.de>
5722         Merge from gimple-tuples-branch.
5724         * ChangeLog.tuples: ChangeLog from gimple-tuples-branch.
5725         * gimple.def: New file.
5726         * gsstruct.def: Likewise.
5727         * gimple-iterator.c: Likewise.
5728         * gimple-pretty-print.c: Likewise.
5729         * tree-gimple.c: Removed.  Merged into ...
5730         * gimple.c: ... here.  New file.
5731         * tree-gimple.h: Removed.  Merged into ...
5732         * gimple.h: ... here.  New file.
5734         * Makefile.in: Add dependencies on GIMPLE_H and tree-iterator.h.
5735         * configure.ac: Added support for ENABLE_GIMPLE_CHECKING and the
5736         --enable-checking=gimple flag.
5737         * config.in: Likewise.
5738         * configure: Regenerated.
5740         * tree-ssa-operands.h: Tuplified.
5741         * tree-vrp.c: Likewise.
5742         * tree-loop-linear.c: Likewise.
5743         * tree-into-ssa.c: Likewise.
5744         * tree-ssa-loop-im.c: Likewise.
5745         * tree-dump.c: Likewise.
5746         * tree-complex.c: Likewise.
5747         * cgraphbuild.c: Likewise.
5748         * tree-ssa-threadupdate.c: Likewise.
5749         * tree-ssa-loop-niter.c: Likewise.
5750         * tree-pretty-print.c: Likewise.
5751         * tracer.c: Likewise.
5752         * gengtype.c: Likewise.
5753         * tree-loop-distribution.c: Likewise.
5754         * tree-ssa-loop-unswitch.c: Likewise.
5755         * cgraph.c: Likewise.
5756         * cgraph.h: Likewise.
5757         * tree-ssa-loop-manip.c: Likewise.
5758         * value-prof.c: Likewise.
5759         * tree-ssa-loop-ch.c: Likewise.
5760         * tree-tailcall.c: Likewise.
5761         * value-prof.h: Likewise.
5762         * tree.c: Likewise.
5763         * tree.h: Likewise.
5764         * tree-pass.h: Likewise.
5765         * ipa-cp.c: Likewise.
5766         * tree-scalar-evolution.c: Likewise.
5767         * tree-scalar-evolution.h: Likewise.
5768         * target.h: Likewise.
5769         * lambda-mat.c: Likewise.
5770         * tree-phinodes.c: Likewise.
5771         * diagnostic.h: Likewise.
5772         * builtins.c: Likewise.
5773         * tree-ssa-alias-warnings.c: Likewise.
5774         * cfghooks.c: Likewise.
5775         * fold-const.c: Likewise.
5776         * cfghooks.h: Likewise.
5777         * omp-low.c: Likewise.
5778         * tree-ssa-dse.c: Likewise.
5779         * ipa-reference.c: Likewise.
5780         * tree-ssa-uncprop.c: Likewise.
5781         * toplev.c: Likewise.
5782         * tree-gimple.c: Likewise.
5783         * tree-gimple.h: Likewise.
5784         * tree-chrec.c: Likewise.
5785         * tree-chrec.h: Likewise.
5786         * tree-ssa-sccvn.c: Likewise.
5787         * tree-ssa-sccvn.h: Likewise.
5788         * cgraphunit.c: Likewise.
5789         * tree-ssa-copyrename.c: Likewise.
5790         * tree-ssa-ccp.c: Likewise.
5791         * tree-ssa-loop-ivopts.c: Likewise.
5792         * tree-nomudflap.c: Likewise.
5793         * tree-call-cdce.c: Likewise.
5794         * ipa-pure-const.c: Likewise.
5795         * c-format.c: Likewise.
5796         * tree-stdarg.c: Likewise.
5797         * tree-ssa-math-opts.c: Likewise.
5798         * tree-ssa-dom.c: Likewise.
5799         * tree-nrv.c: Likewise.
5800         * tree-ssa-propagate.c: Likewise.
5801         * ipa-utils.c: Likewise.
5802         * tree-ssa-propagate.h: Likewise.
5803         * tree-ssa-alias.c: Likewise.
5804         * gimple-low.c: Likewise.
5805         * tree-ssa-sink.c: Likewise.
5806         * ipa-inline.c: Likewise.
5807         * c-semantics.c: Likewise.
5808         * dwarf2out.c: Likewise.
5809         * expr.c: Likewise.
5810         * tree-ssa-loop-ivcanon.c: Likewise.
5811         * predict.c: Likewise.
5812         * tree-ssa-loop.c: Likewise.
5813         * tree-parloops.c: Likewise.
5814         * tree-ssa-address.c: Likewise.
5815         * tree-ssa-ifcombine.c: Likewise.
5816         * matrix-reorg.c: Likewise.
5817         * c-decl.c: Likewise.
5818         * tree-eh.c: Likewise.
5819         * c-pretty-print.c: Likewise.
5820         * lambda-trans.c: Likewise.
5821         * function.c: Likewise.
5822         * langhooks.c: Likewise.
5823         * ebitmap.h: Likewise.
5824         * tree-vectorizer.c: Likewise.
5825         * function.h: Likewise.
5826         * langhooks.h: Likewise.
5827         * tree-vectorizer.h: Likewise.
5828         * ipa-type-escape.c: Likewise.
5829         * ipa-type-escape.h: Likewise.
5830         * domwalk.c: Likewise.
5831         * tree-if-conv.c: Likewise.
5832         * profile.c: Likewise.
5833         * domwalk.h: Likewise.
5834         * tree-data-ref.c: Likewise.
5835         * tree-data-ref.h: Likewise.
5836         * tree-flow-inline.h: Likewise.
5837         * tree-affine.c: Likewise.
5838         * tree-vect-analyze.c: Likewise.
5839         * c-typeck.c: Likewise.
5840         * gimplify.c: Likewise.
5841         * coretypes.h: Likewise.
5842         * tree-ssa-phiopt.c: Likewise.
5843         * calls.c: Likewise.
5844         * tree-ssa-coalesce.c: Likewise.
5845         * tree.def: Likewise.
5846         * tree-dfa.c: Likewise.
5847         * except.c: Likewise.
5848         * except.h: Likewise.
5849         * cfgexpand.c: Likewise.
5850         * tree-cfgcleanup.c: Likewise.
5851         * tree-ssa-pre.c: Likewise.
5852         * tree-ssa-live.c: Likewise.
5853         * tree-sra.c: Likewise.
5854         * tree-ssa-live.h: Likewise.
5855         * tree-predcom.c: Likewise.
5856         * lambda.h: Likewise.
5857         * tree-mudflap.c: Likewise.
5858         * ipa-prop.c: Likewise.
5859         * print-tree.c: Likewise.
5860         * tree-ssa-copy.c: Likewise.
5861         * ipa-prop.h: Likewise.
5862         * tree-ssa-forwprop.c: Likewise.
5863         * ggc-page.c: Likewise.
5864         * c-omp.c: Likewise.
5865         * tree-ssa-dce.c: Likewise.
5866         * tree-vect-patterns.c: Likewise.
5867         * tree-ssa-ter.c: Likewise.
5868         * tree-nested.c: Likewise.
5869         * tree-ssa.c: Likewise.
5870         * lambda-code.c: Likewise.
5871         * tree-ssa-loop-prefetch.c: Likewise.
5872         * tree-inline.c: Likewise.
5873         * tree-inline.h: Likewise.
5874         * tree-iterator.c: Likewise.
5875         * tree-optimize.c: Likewise.
5876         * tree-ssa-phiprop.c: Likewise.
5877         * tree-vect-transform.c: Likewise.
5878         * tree-object-size.c: Likewise.
5879         * tree-outof-ssa.c: Likewise.
5880         * cfgloop.c: Likewise.
5881         * system.h: Likewise.
5882         * tree-profile.c: Likewise.
5883         * cfgloop.h: Likewise.
5884         * c-gimplify.c: Likewise.
5885         * c-common.c: Likewise.
5886         * tree-vect-generic.c: Likewise.
5887         * tree-flow.h: Likewise.
5888         * c-common.h: Likewise.
5889         * basic-block.h: Likewise.
5890         * tree-ssa-structalias.c: Likewise.
5891         * tree-switch-conversion.c: Likewise.
5892         * tree-ssa-structalias.h: Likewise.
5893         * tree-cfg.c: Likewise.
5894         * passes.c: Likewise.
5895         * ipa-struct-reorg.c: Likewise.
5896         * ipa-struct-reorg.h: Likewise.
5897         * tree-ssa-reassoc.c: Likewise.
5898         * cfgrtl.c: Likewise.
5899         * varpool.c: Likewise.
5900         * stmt.c: Likewise.
5901         * tree-ssanames.c: Likewise.
5902         * tree-ssa-threadedge.c: Likewise.
5903         * langhooks-def.h: Likewise.
5904         * tree-ssa-operands.c: Likewise.
5905         * config/alpha/alpha.c: Likewise.
5906         * config/frv/frv.c: Likewise.
5907         * config/s390/s390.c: Likewise.
5908         * config/m32c/m32c.c: Likewise.
5909         * config/m32c/m32c-protos.h: Likewise.
5910         * config/spu/spu.c: Likewise.
5911         * config/sparc/sparc.c: Likewise.
5912         * config/i386/i386.c: Likewise.
5913         * config/sh/sh.c: Likewise.
5914         * config/xtensa/xtensa.c: Likewise.
5915         * config/stormy16/stormy16.c: Likewise.
5916         * config/ia64/ia64.c: Likewise.
5917         * config/rs6000/rs6000.c: Likewise.
5918         * config/pa/pa.c: Likewise.
5919         * config/mips/mips.c: Likewise.
5921 2008-07-28  Simon Baldwin  <simonb@google.com>
5923         * c-pragma.c (handle_pragma_message): New function.
5924         (init_pragma): Register handle_pragma_message.
5925         * doc/extend.texi (Diagnostic Pragmas): Added #pragma message
5926         documentation.
5928 2008-07-27  Victor Kaplansky  <victork@il.ibm.com>
5930         PR tree-optimization/35252
5931         * tree-vect-analyze.c (vect_build_slp_tree): Make IMAGPART_EXPR and
5932         REALPART_EXPR to be considered as same load operation.
5934 2008-07-27  Eric Botcazou  <ebotcazou@adacore.com>
5936         PR tree-optimization/36830
5937         * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Hash operand #2.
5938         (expressions_equal_p): Return false if only one operand is null.
5940 2008-07-26  Gerald Pfeifer  <gerald@pfeifer.com>
5942         * doc/install.texi (powerpc-*-netbsd*): Remove redundant texinfo
5943         version requirements.
5945 2008-07-26  Olivier Hainque  <hainque@adacore.com>
5947         * collect2.c (symkind): New enum.  Symbol kinds we care about.
5948         (is_ctor_dtor): Return symkind instead of int.  Adjust prototype,
5949         code and head comment accordingly.
5950         (scan_prog_file): Use symkind names instead of bare integers.
5952 2008-07-25  Jan Hubicka  <jh@suse.cz>
5954         * cgraph.c (cgraph_function_possibly_inlined_p): Do not rely on
5955         DECL_INLINE.
5956         * cgraphunit.c (record_cdtor_fn): Do not initialize DECL_INLINE
5957         (cgraph_preserve_function_body_p): Do not rely on DECL_INLINE.
5958         * dojump.c (clear_pending_stack_adjust): Likewise.
5959         * print-tree.c (print_node): Ignore DECL_INLINE.
5960         * tree-inline.c (inlinable_function_p): Likewise.
5962 2008-07-25  Michael Meissner  <gnu@the-meissners.org>
5964         * doc/extend.texi (hot attribute): Document that the hot attribute
5965         turns on -O3 for some ports.
5966         (cold attribute): Document that the cold attribute turns on -Os
5967         for some ports
5969         * doc/tm.texi (OPTIMIZATION_OPTIONS): Update documentation to
5970         reflect function specific option support.
5972         * target.h (struct target_option_hooks): Add fields to say whether
5973         the cold attribute implies -Os and the hot attribute implies -O3.
5975         * target-def.h (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION):
5976         By default, do not turn on -Os for cold functions.
5977         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): By default, do
5978         not turn on -O3 for hot functions.
5980         * c-common.c (handle_hot_attribute): Use target hook to determine
5981         if hot functions should enable -O3.
5982         (handle_cold_attribute): Use target hook to determine if cold
5983         functions should enable -Os.
5985         * config/i386/i386.c (ix86_target_string): Add -m3dnowa support.
5986         (override_options): Move disable scheduling to
5987         optimization_options.
5988         (optimization_options): Disable scheduling here, not
5989         override_options.
5990         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5991         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5993         * config/ia64/ia64.c (ia64_override_options): Move setting
5994         scheduling flags to ia64_optimization_options.
5995         (ia64_optimization_options): Disable scheduling options here, and
5996         not in ia64_override_options.
5997         (TARGET_OPTION_COLD_ATTRIBUTE_SETS_OPTIMIZATION): Define.
5998         (TARGET_OPTION_HOT_ATTRIBUTE_SETS_OPTIMIZATION): Define.
6000 2008-07-25  H.J. Lu  <hongjiu.lu@intel.com>
6002         PR target/36936
6003         * config/i386/i386.c (override_options): Don't clear TARGET_CMOVE.
6005 2008-07-25  Martin Jambor  <mjambor@suse.cz>
6007         PR tree-optimization/36926
6008         * ipa-prop.c (ipa_analyze_call_uses): Call
6009         ipa_is_ssa_with_stmt_def instead of SSA_NAME_IS_DEFAULT_DEF.
6011 2008-07-25  Joseph Myers  <joseph@codesourcery.com>
6013         * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
6014         movv2si_internal): Add mem = reg alternative.
6016 2008-07-25  Andreas Tobler  <a.tobler@schweiz.org>
6018         PR bootstrap/36918
6019         * config/sparc/sparc.h (DEFAULT_PCC_STRUCT_RETURN): Define
6020         DEFAULT_PCC_STRUCT_RETURN to 127.
6022 2008-07-24  Jan Hubicka  <jh@suse.cz>
6024         * cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
6025         (build_cgraph_edges): Likewise.
6026         * cgraph.c (cgraph_node): Do not update assembler hash.
6027         (cgraph_remove_node): Drop non-unit-at-a-time code.
6028         * tree-pass.h (pass_O0_always_inline): Remove.
6029         * ipa-reference.c (gate_reference): Remove unit-at-a-time check.
6030         * toplev.c (process_options): Flag unit-at-a-time does not imply
6031         no section anchors.
6032         * cgraphunit.c: Update comments.
6033         (decide_is_function_needed): Drop non-unit-at-a-time mode.
6034         (cgraph_assemble_pending_functions): Remove.
6035         (cgraph_reset_node): Drop non-unit-at-a-time code.
6036         (cgraph_finalize_function): Likewise.
6037         (cgraph_analyze_function): Likewise.
6038         (cgraph_finalize_compilation_unit): Likewise.
6039         (cgraph_expand_function): Likewise.
6040         (cgraph_optimize): Likesise.
6041         (save_inline_function_body): Likewise.
6042         * ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
6043         * tree-ssa-alias.c (maybe_be_aliased): Likewise.
6044         * ipa-inline.c: Update comments.
6045         (enum inlining_mode): remove INLINE_SPEED.
6046         (cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
6047         (cgraph_mark_inline_edge): Likewise.
6048         (try_inline): Likewise.
6049         (cgraph_decide_inlining_incrementally): Likewise.
6050         (cgraph_gate_inlining): Remove.
6051         (cgraph_early_inlining): Remove flag_unit_at_a_time checks.
6052         (cgraph_gate_early_inlining): Likewise.
6053         (gate_inline_passes): Remove.
6054         (pass_inline_parameters, pass_ipa_inline): Remove gates.
6055         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
6056         pass_O0_always_inline): Remove.
6057         * c-pch.c (c_pch_matching): Remove -funit-at-a-time.
6058         * dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
6059         * opts.c (no_unit_at_a_time_default): Remove.
6060         (decode_options): Remove flag_unit_at_a_time reset and warning.
6061         * opts.h (no_unit_at_a_time_default): Remove.
6062         * c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
6063         early in GNU dialect.
6064         (merge_decls): Update comment; drop unit-at-a-time check.
6065         (finish_decl): Likewise.
6066         (grok_declaration): Remove flag_inline_trees code.
6067         (finish_functions): Return on function returning non-void on all
6068         statics.
6069         * ipa-tye-escape.c (gate_type_escape_vars): Remove.
6070         * cfgexpand.c (expand_one_static_var): Remove.
6071         (expand_one_var): Remove expand_one_static_var call.
6072         (expand_used_vars_for_block): Remove flag_unit_a_time check.
6073         * c-opts.c (c_common_post_options): Remove flag_inline_trees code
6074         and flag_unit_at_a-time compatibility checks.
6075         * varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
6076         * tree-inline.c (flag_inline_trees): Remove.
6077         (inlinable_function_p): Don't check it.
6078         (expand_call_inline): Remove non-unit-at-a-time code.
6079         * tree-inline.h (flag_inline_trees): Remove.
6080         * tree-optimize.c (execute_early_local_optimizations): Remove
6081         unit-at-a-time checks.
6082         (tree_rest_of_compilation): Likewise.
6083         * combine.c (setup_incoming_promotions): Likewise.
6084         * tree-profile.c (tree_gen_ic_func_profiler): Likewise.
6085         * tree-ssa-structalias.c (delete_points_to_sets): Likewise.
6086         * passes.c (pass_inline_parameters): Update comments; remove
6087         O0_alwaysinline pass.
6088         (execute_one_ipa_transform_pass): Do not reset in_gimple_form.
6089         (execute_one_pass): Likewise.
6090         * i386.c (ix86_function_regparm): Remove unit-at-a-time check.
6091         (ix86_function_sseregparm): Likewise.
6092         * arm.c (arm_function_in_section_p): Likewise.
6093         * bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
6094         * varpool.c: Update comments.
6095         (decide_is_variable_needed): Remove unit-at-a-time checks.
6096         (varpool_finalize_decl): Likewise.
6098 2008-07-24  Kaz Kojima  <kkojima@gcc.gnu.org>
6100         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_omit_frame_pointer
6101         to 2 instead of -1.
6102         (OVERRIDE_OPTIONS): Check if flag_omit_frame_pointer is equal to 2.
6104 2008-07-24  Kai Tietz  <kai.tietz@onevision.com>
6106         * config/i386/i386.c (get_dllimport_decl): Treat user_label_prefix for
6107         imp symbol extension.
6109         2008-07-23  Ian Lance Taylor  <iant@google.com>
6111         * tree-vrp.c (infer_value_range): Ignore asm statements when
6112         looking for memory accesses for -fdelete-null-pointer-checks.
6114 2008-07-24  Ben Elliston  <bje@au.ibm.com>
6116         * config/spu/spu-c.c (__vector_keyword): New variable.
6117         (vector_keyword): Likewise.
6118         (spu_categorize_keyword): New function.
6119         (spu_macro_to_expand): Likewise.
6120         (spu_cpu_cpp_builtins): Enable context-sensitive macros if not
6121         compiling an ISO C dialect.
6123 2008-07-24  Ben Elliston  <bje@au.ibm.com>
6125         * config/rs6000/rs6000-c.c: Move GTY(()) markers to match
6126         conventional usage.
6128 2008-07-23  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
6130         * configure: Regenerate.
6131         * configure.ac: Require texinfo 4.7.
6132         * doc/install.texi: Document texinfo 4.7 requirement.
6134 2008-07-23  Martin Jambor  <mjambor@suse.cz>
6136         * ipa-cp.c (ipcp_print_edge_profiles): Test for node->analyzed
6137         rather than for DECL_SAVED_TREE.
6138         * ipa-prop.c: Include diagnostic.h.
6139         (ipa_check_stmt_modifications): Check LHS of GIMPLE_MODIFY_EXPRs
6140         thoroughly.
6141         (ipa_detect_param_modifications): Function rewritten from scratch.
6142         (ipa_compute_jump_functions): Changed accesses to modification flags.
6143         (ipa_free_node_params_substructures): Update flags destruction.
6144         (ipa_node_duplication_hook): Update flags duplication.
6145         (ipa_print_all_params_modified): Updated flag access.
6146         * ipa-prop.h (struct ipa_param_flags): New structure.
6147         (struct ipa_node_params): New field modification_analysis_done,
6148         modified_flags changed into param_flags.
6149         (ipa_is_ith_param_modified): Changed to use new flags.
6150         * Makefile.in (ipa-prop.o): Add $(DIAGNOSTIC_H) to dependencies.
6152         * ipa-prop.c (ipa_print_all_jump_functions): Moved here from
6153         ipa-cp.c and split into two functions.
6154         (ipa_print_node_jump_functions): New function.
6155         (compute_scalar_jump_functions): New function.
6156         (type_like_member_ptr_p): New function.
6157         (compute_pass_through_member_ptrs): New function.
6158         (fill_member_ptr_cst_jump_function): New function.
6159         (determine_cst_member_ptr): New function.
6160         (compute_cst_member_ptr_arguments): New function.
6161         (ipa_compute_jump_functions): Complete rewrite.
6162         * ipa-prop.h (enum jump_func_type): Make explicit that we depend
6163         on IPA_UNKNOWN being zero. Added value IPA_CONST_MEMBER_PTR.
6164         (struct ipa_member_ptr_cst): New structure.
6165         (union jump_func_value): New field member_cst.
6166         * ipa-cp.c (ipcp_lat_is_insertable): New function.
6167         (ipcp_lattice_from_jfunc): Produces bottom lattices for unhandled
6168         jump function types.
6169         (ipcp_print_all_lattices): Slight fprintf rearrangement.
6170         (ipcp_print_all_structures): Call ipa_print_all_jump_functions
6171         instead of ipcp_print_all_jump_functions.
6172         (ipcp_insert_stage): Use ipcp_lat_is_insertable, create replace maps
6173         only for replacable scalars.
6175         * doc/invoke.texi (Optimize options): Add description of
6176         -findirect-inlining.
6177         * common.opt (flag_indirect_inlining): New flag.
6178         * opts.c (decode_options): Set flag_indirect_inlining when
6179         optimize >= 3.
6181         * ipa-inline.c: Include ipa-prop.h.
6182         (inline_indirect_intraprocedural_analysis): New function.
6183         (inline_generate_summary): Allocate parameter and argument info
6184         structures, call inline_indirect_intraprocedural_analysis on each
6185         node when doing indirect inlining and deallocate indirect inlining
6186         data structures in the end.
6187         * ipa-prop.c (ipa_create_param_decls_array): Return if already done.
6188         (free_all_ipa_structures_after_iinln): New function.
6189         (free_all_ipa_structures_after_ipa_cp): Checks whether iinln will be
6190         done.
6191         * Makefile.in (ipa-inline.o): Added $(IPA_PROP_H) to dependencies.
6193         * cgraphbuild.c (compute_call_stmt_bb_frequency): New function.
6194         (build_cgraph_edges): Call compute_call_stmt_bb_frequency instead
6195         of computing the frequency separately.
6196         (rebuild_cgraph_edges): Call compute_call_stmt_bb_frequency instead
6197         of computing the frequency separately.
6198         * ipa-cp.c (ipcp_print_all_structures): Replace a call to
6199         ipa_print_all_param_modified with a call to ipa_print_all_param_flags.
6200         * ipa-prop.c (ipa_get_member_ptr_load_param): New function.
6201         (ipa_get_stmt_member_ptr_load_param): New function.
6202         (ipa_is_ssa_with_stmt_def): New function.
6203         (ipa_note_param_call): New function.
6204         (ipa_analyze_call_uses): New function.
6205         (ipa_analyze_stmt_uses): New function.
6206         (ipa_analyze_params_uses): New function.
6207         (ipa_free_node_params_substructures): Also free the param_calls linked
6208         list.
6209         (ipa_node_duplication_hook): Also duplicate the param_calls linked list.
6210         (ipa_print_node_param_flags): New function.
6211         (ipa_print_all_params_modified): Renamed to ipa_print_all_param_flags.
6212         (ipa_print_all_param_flags): Calls ipa_print_node_param_flags.
6213         * ipa-prop.h (struct ipa_param_flags): New field called.
6214         (struct ipa_param_call_note): New structure.
6215         (struct ipa_node_params): New fields param_calls and
6216         uses_analysis_done.
6217         (ipa_is_ith_param_called): New function.
6218         * ipa-inline.c (inline_indirect_intraprocedural_analysis): Call
6219         ipa_analyze_params_uses and dump parameter flags.
6221         * ipa-inline.c (cgraph_decide_recursive_inlining): Call
6222         ipa_propagate_indirect_call_infos if performing indirect inlining,
6223         pass a new parameter new_edges to it.
6224         (add_new_edges_to_heap): New fucntion.
6225         (cgraph_decide_inlining_of_small_functions): New vector
6226         new_indirect_edges for newly found indirect edges , call
6227         ipa_propagate_indirect_call_infos after inlining.
6228         (cgraph_decide_inlining): Call ipa_propagate_indirect_call_infos after
6229         inlining if performing indirect inlining.  Call
6230         free_all_ipa_structures_after_iinln when doing so too.
6231         (inline_generate_summary): Do not call
6232         free_all_ipa_structures_after_iinln here.
6233         * ipa-prop.c (update_jump_functions_after_inlining): New function.
6234         (print_edge_addition_message): New function.
6235         (update_call_notes_after_inlining): New function.
6236         (propagate_info_to_inlined_callees): New function.
6237         (ipa_propagate_indirect_call_infos): New function.
6238         * ipa-prop.h: Include cgraph.h
6239         (struct ipa_param_call_note): Fields reordered, new field processed.
6240         * cgraph.h (cgraph_edge): Shrink loop_nest field to 31 bits, add a new
6241         flag indirect_call.
6242         * cgraphunit.c (verify_cgraph_node): Allow indirect edges not to have
6243         rediscovered call statements.
6244         * cgraph.c (cgraph_create_edge): Initialize indirect_call to zero.
6245         (dump_cgraph_node): Dump also the indirect_call flag.
6246         (cgraph_clone_edge): Copy also the indirect_call flag.
6247         * tree-inline.c (copy_bb): Do not check for fndecls from call
6248         expressions, check for edge availability when moving clones.
6249         (get_indirect_callee_fndecl): New function.
6250         (expand_call_inline): If callee declaration is not apprent from
6251         the statement, try calling get_indirect_callee_fndecl.  Do not
6252         issue warnings or call sorry when not inlinings an indirect edge.
6253         * Makefile.in (IPA_PROP_H): Added $(CGRAPH_H) to dependencies.
6255         * ipa-prop.c (ipa_print_node_param_flags): Make the dump format a
6256         bit more frandly to matching.
6257         * testsuite/g++.dg/ipa/iinline-1.C: New testcase.
6258         * testsuite/gcc.dg/ipa/iinline-1.c: New testcase.
6259         * testsuite/gcc.dg/ipa/modif-1.c: New testcase.
6261 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6263         PR 36907
6264         * opth-gen.awk: Suppress function specific features when building
6265         target libraries.
6266         * optc-gen.awk: Ditto.
6268 2008-07-23  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6270         PR 35058
6271         * diagnostic.c (pedwarn): Add opt parameter.
6272         (pedwarn0): New.
6273         * c-tree.h (pedwarn_init): Add opt parameter.
6274         (pedwarn_c90): Likewise.
6275         (pedwarn_c99): Likewise.
6276         * c-errors.c (pedwarn_c99): Likewise.
6277         (pedwarn_c90): Likewise.
6278         * toplev.h (pedwarn): Update declaration.
6279         (pedwarn0): Declare.
6280         * c-lex.c: All calls to pedwarn changed.
6281         * builtins.c: All calls to pedwarn changed.
6282         * toplev.c: All calls to pedwarn changed.
6283         * c-decl.c: All calls to pedwarn changed.
6284         * c-typeck.c: All calls to pedwarn changed.
6285         * c-common.c: All calls to pedwarn changed.
6286         * c-parser.c: All calls to pedwarn changed.
6288 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6289             Karthik Kumar  <karthikkumar@gmail.com>
6291         * attribs.c (file scope): Include c-common.h.
6292         (decl_attributes): Add support for #pragma GCC optimize and
6293         #pragma GCC option.
6295         * targhooks.c (default_can_inline_p): New function that is the
6296         default for the TARGET_CAN_INLINE_P target hook.
6298         * targhooks.h (default_can_inline_p): Add declaration.
6300         * tree.c (cl_optimization_node): New static tree for building
6301         OPTIMIZATION_NODE tree.
6302         (cl_target_option_node): New static tree for building
6303         TARGET_OPTION_NODE tree.
6304         (cl_option_hash_table): New hash table for hashing
6305         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6306         (cl_option_hash_hash): New function to provide the hash value for
6307         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6308         (cl_option_hash_eq): New function to provide an equality test for
6309         OPTIMIZATION_NODE and TARGET_OPTION_NODE trees.
6310         (tree_code_size): Add support for OPTIMIZATION_NODE and
6311         TARGET_OPTION_NODE trees.
6312         (tree_code_structure): Add support for OPTIMIZATION_NODE and
6313         TARGET_OPTION_NODE trees.
6314         (build_optimization_node): Build a tree that has all of the
6315         current optimization options.
6316         (build_target_option_node): Build a tree that has the target
6317         options that might be changed on a per function basis.
6319         * tree.h (file scope): Include options.h.
6320         (DECL_FUNCTION_SPECIFIC_TARGET): New accessor macro.
6321         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
6322         (TREE_OPTIMIZATION): Ditto.
6323         (TREE_TARGET_SPECIFIC): Ditto.
6324         (struct tree_function_decl): Add fields for remembering the
6325         current optimization options and target specific options.
6326         (struct tree_optimization_option): New tree variant that remembers
6327         the optimization options.
6328         (struct tree_target_option): New tree variant that remembers the
6329         target specific flags that might change for compiling a particular
6330         function.
6331         (union tree_node): Include tree_optimization_option and
6332         tree_target_option fields.
6333         (enum tree_index): Add TI_OPTIMIZATION_DEFAULT,
6334         TI_OPTIMIZATION_CURRENT, TI_OPTIMIZATION_COLD,
6335         TI_OPTIMIZATION_HOT, TI_TARGET_OPTION_DEFAULT,
6336         TI_TARGET_OPTION_CURRENT, TI_CURRENT_OPTION_PRAGMA,
6337         TI_CURRENT_OPTIMIZE_PRAGMA entries for saving function specific
6338         optimization and target options.
6339         (optimization_default_node): New macro to refer to global_trees
6340         field.
6341         (optimization_current_node): Ditto.
6342         (optimization_cold_node): Ditto.
6343         (optimization_hot_node): Ditto.
6344         (target_option_default_node): Ditto.
6345         (target_option_current_node): Ditto.
6346         (current_option_pragma): Ditto.
6347         (current_optimize_pragma): Ditto.
6349         * target.h (struct gcc_target): Add valid_option_attribute_p,
6350         target_option_save, target_option_restore, target_option_print,
6351         target_option_pragma_parse, and can_inline_p hooks.
6353         * toplev.h (parse_optimize_options): Add declaration.
6354         (fast_math_flags_struct_set_p): Ditto.
6356         * c-cppbuiltin.c (c_cpp_builtins_optimize_pragma): New function to
6357         adjust the current __OPTIMIZE__, etc. macros when #pragma GCC
6358         optimize is used.
6360         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Call
6361         tree_can_inline_p hook to see if one function can inline another.
6362         (cgraph_decide_inlining): Ditto.
6363         (cgraph_decide_inlining_incrementally): Ditto.
6365         * opts.c (decode_options): Add support for running multiple times
6366         to allow functions with different target or optimization options
6367         than was specified on the command line.
6368         (fast_math_flags_struct_set_p): New function that is similar to
6369         fast_math_flags_set_p, except it uses the values in the
6370         cl_optimization structure instead of global variables.
6372         * optc-gen.awk: Add support for TargetSave to allow a back end to
6373         declare new fields that need to be saved when using function
6374         specific options.  Include flags.h and target.h in the options.c
6375         source.  Add support for Save to indicate which options can be set
6376         for individual functions.  Generate cl_optimize_save,
6377         cl_optimize_restore, cl_optimize_print, cl_target_option_save,
6378         cl_target_option_restore, cl_target_option_print functions to
6379         allow functions to use different optimization or target options.
6381         * opt-functions.awk (var_type_struct): Return the type used for
6382         storing the field in a structure.
6384         * opth-gen.awk: Add support for TargetSave to allow a back end to
6385         declare new fields that need to be saved when using function
6386         specific options.  Add support for Save to indicate which options
6387         can be set for individual functions.  Only generate one extern for
6388         Mask fields.  Generate cl_optimization and cl_target_option
6389         structures to remember optimization and target options.
6391         * treestruct.def (TS_OPTIMIZATION): Add support for garbage
6392         collecting new tree nodes.
6393         (TS_TARGET_OPTION): Ditto.
6395         * c-decl.c (merge_decls): Merge function specific target and
6396         optimization options.
6398         * function.c (invoke_set_current_function_hook): If the function
6399         uses different optimization options, change the global variables
6400         to reflect this.
6402         * coretypes.h (struct cl_optimization): Add forward reference.
6403         (struct cl_target_option): Ditto.
6405         * c-pragma.c (option_stack): New static vector to remember the
6406         current #pragma GCC option stack.
6407         (handle_pragma_option): New function to support #pragma GCC option
6408         to change target options.
6409         (optimize_stack): New static vector to remember the current
6410         #pragma GCC optimize stack.
6411         (handle_pragma_optimize): New function to support #pragma GCC
6412         optimize to change optimization options.
6413         (init_pragma): Add support for #pragma GCC optimize and #pragma
6414         GCC option.
6416         * tree.def (OPTIMIZATION_NODE): New tree code for remembering
6417         optimization options.
6418         (TARGET_OPTION_NODE): New tree code for remembering certain target
6419         options.
6421         * print-tree.c (print_node): Add support for OPTIMIZATION_NODE and
6422         TARGET_OPTION_NODE trees.
6424         * common.opt (-O): Add Optimization flag.
6425         (-Os): Ditto.
6426         (-fmath-errno): Ditto.
6427         (-falign-functions): Add UInteger flag to make sure flag gets full
6428         int in cl_optimization structure.
6429         (-falign-jumps): Ditto.
6430         (-falign-labels): Ditto.
6431         (-falign-loops): Ditto.
6432         (-fsched-stalled-insns): Ditto.
6433         (-fsched-stalled-insns-dep): Ditto.
6435         * target-def.h (TARGET_VALID_OPTION_ATTRIBUTE_P): Add default
6436         definition.
6437         (TARGET_OPTION_SAVE): Ditto.
6438         (TARGET_OPTION_RESTORE): Ditto.
6439         (TARGET_OPTION_PRINT): Ditto.
6440         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
6441         (TARGET_CAN_INLINE_P): Ditto.
6442         (TARGET_INITIALIZER): Add new hooks.
6444         * tree-inline.c (tree_can_inline_p): New function to determine
6445         whether one function can inline another.  Check if the functions
6446         use compatible optimization options, and also call the backend
6447         can_inline_p hook.
6449         * tree-inline.h (tree_can_inline_p): Add declaration.
6451         * c-common.c (c_common_attribute): Add support for option and
6452         optimize attributes.
6453         (handle_option_attribute): Add support for the option attribute to
6454         allow the user to specify different target options for compiling a
6455         specific function.
6456         (handle_optimize_attribute): Add support for the optimize
6457         attribute to allow the user to specify different optimization
6458         options for compiling a specific function.
6459         (handle_hot_attribute): Turn on -O3 optimization for this one
6460         function if it isn't the default optimization level.
6461         (handle_cold_attribute): Turn on -Os optimization for this one
6462         function if it insn't the default optimization.
6463         (const_char_p): New const char * typedef.
6464         (optimize_args): New static vector to remember the optimization
6465         arguments.
6466         (parse_optimize_options): New function to set up the optimization
6467         arguments from either the optimize attribute or #pragma GCC optimize.
6469         * c-common.h (c_cpp_builtins_optimize_pragma): Add declaration.
6470         (builtin_define_std): Ditto.
6472         * config.gcc (i[3467]86-*-*): Add i386-c.o to C/C++ languages.
6473         Add t-i386 Makefile fragment to add i386-c.o and i386.o dependencies.
6474         (x86_64-*-*): Ditto.
6476         * Makefile.in (TREE_H): Add options.h.
6477         (options.o): Add $(TARGET_H) $(FLAGS_H) dependencies.
6479         * doc/extend.texi (option attribute): Document new attribute.
6480         (optimize attribute): Ditto.
6481         (hot attribute): Document hot attribute sets -O3.
6482         (cold attribute): Document cold attribute sets -Os.
6483         (#pragma GCC option): Document new pragma.
6484         (#pragma GCC optimize): Ditto.
6486         * doc/options.texi (TargetSave): Document TargetSave syntax.
6487         (UInteger): Document UInteger must be used for certain flags.
6488         (Save): Document Save option to create target specific options
6489         that can be saved/restored on a function specific context.
6491         * doc/c-tree.texi (DECL_FUNCTION_SPECIFIC_TARGET): Document new macro.
6492         (DECL_FUNCTION_SPECIFIC_OPTIMIZATION): Ditto.
6494         * doc/tm.texi (TARGET_VALID_OPTION_ATTRIBUTE_P): Document new hook.
6495         (TARGET_OPTION_SAVE): Ditto.
6496         (TARGET_OPTION_RESTORE): Ditto.
6497         (TARGET_OPTION_PRINT): Ditto.
6498         (TARGET_OPTION_PRAGMA_PARSE): Ditto.
6499         (TARGET_CAN_INLINE_P): Ditto.
6501         * doc/invoke.texi (-mfpmath=sse+387): Document as an alias for
6502         -mfpmath=sse,387.
6503         (-mfpmath=both): Ditto.
6505 2008-07-23  Michael Meissner  <gnu@the-meissners.org>
6506             Karthik Kumar  <karthikkumar@gmail.com>
6508         * config/i386/i386.h (TARGET_ABM): Move switch into ix86_isa_flags.
6509         (TARGET_POPCNT): Ditto.
6510         (TARGET_SAHF): Ditto.
6511         (TARGET_AES): Ditto.
6512         (TARGET_PCLMUL): Ditto.
6513         (TARGET_CMPXCHG16B): Ditto.
6514         (TARGET_RECIP): Move switch into target_flags.
6515         (TARGET_FUSED_MADD): Ditto.
6516         (ix86_arch_features): Make an unsigned char type.
6517         (ix86_tune_features): Ditto.
6518         (OVERRIDE_OPTIONS): Add bool argument to override_options call.
6519         (TARGET_CPU_CPP_BUILTINS): Move into ix86_target_macros.
6520         (REGISTER_TARGET_PRAGMAS): Define, call ix86_register_pragmas.
6522         * config/i386/i386.opt (arch): New TargetSave field to define
6523         fields that need to be saved for function specific option support.
6524         (tune): Ditto.
6525         (fpmath): Ditto.
6526         (branch_cost): Ditto.
6527         (ix86_isa_flags_explicit): Ditto.
6528         (tune_defaulted): Ditto.
6529         (arch_specified): Ditto.
6530         (-m128-long-double): Add Save flag to save option for target
6531         specific option support.
6532         (-m80387): Ditto.
6533         (-maccumulate-outgoing-args): Ditto.
6534         (-malign-double): Ditto.
6535         (-malign-stringops): Ditto.
6536         (-mfancy-math-387): Ditto.
6537         (-mhard-float): Ditto.
6538         (-mieee-fp): Ditto.
6539         (-minline-all-stringops): Ditto.
6540         (-minline-stringops-dynamically): Ditto.
6541         (-mms-bitfields): Ditto.
6542         (-mno-align-stringops): Ditto.
6543         (-mno-fancy-math-387): Ditto.
6544         (-mno-push-args): Ditto.
6545         (-mno-red-zone): Ditto.
6546         (-mpush-args): Ditto.
6547         (-mred-zone): Ditto.
6548         (-mrtd): Ditto.
6549         (-msseregparm): Ditto.
6550         (-mstack-arg-probe): Ditto.
6551         (-m32): Ditto.
6552         (-m64): Ditto.
6553         (-mmmx): Ditto.
6554         (-m3dnow): Ditto.
6555         (-m3dnowa): Ditto.
6556         (-msse): Ditto.
6557         (-msse2): Ditto.
6558         (-msse3): Ditto.
6559         (-msse4.1): Ditto.
6560         (-msse4.2): Ditto.
6561         (-msse4): Ditto.
6562         (-mno-sse4): Ditto.
6563         (-msse4a): Ditto.
6564         (-msse5): Ditto.
6565         (-mrecip): Move flag into target_flags.
6566         (-mcld): Ditto.
6567         (-mno-fused-madd): Ditto.
6568         (-mfused-madd): Ditto.
6569         (-mabm): Move flag into ix86_isa_flags.
6570         (-mcx16): Ditto.
6571         (-mpopcnt): Ditto.
6572         (-msahf): Ditto.
6573         (-maes): Ditto.
6574         (-mpclmul): Ditto.
6576         * config/i386/i386-c.c: New file for #pragma support.
6577         (ix86_target_macros_internal): New function to #define or #undef
6578         target macros based when the user uses the #pragma GCC option to
6579         change target options.
6580         (ix86_pragma_option_parse): New function to add #pragma GCC option
6581         support.
6582         (ix86_target_macros): Move defining the target macros here from
6583         TARGET_CPU_CPP_BUILTINS in i386.h.
6584         (ix86_register_pragmas): Register the #pragma GCC option hook.  If
6585         defined, initialize any subtarget #pragmas.
6587         * config/i386/darwin.h (REGISTER_SUBTARGET_PRAGMAS): Rename from
6588         REGISTER_TARGET_PRAGMAS.
6590         * config/i386/t-i386: New file for x86 dependencies.
6591         (i386.o): Make dependencies mirror the include files used.
6592         (i386-c.o): New file, add dependencies.
6594         * config/i386/i386-protos.h (override_options): Add bool argument.
6595         (ix86_valid_option_attribute_tree): Add declaration.
6596         (ix86_target_macros): Ditto.
6597         (ix86_register_macros): Ditto.
6599         * config/i386/i386.c (ix86_tune_features): Move initialization of
6600         the target masks to initial_ix86_tune_features to allow functions
6601         to have different target options.  Make type unsigned char,
6602         instead of unsigned int.
6603         (initial_ix86_tune_features): New static vector to hold processor
6604         masks for the tune variables.
6605         (ix86_arch_features): Move initialization of the target masks to
6606         initial_ix86_arch_features to allow functions to have different
6607         target options.  Make type unsigned char, instead of unsigned int.
6608         (initial_ix86_arch_features): New static vector to hold processor
6609         masks for the arch variables.
6610         (enum ix86_function_specific_strings): New enum to describe the
6611         string options used for attribute((option(...))).
6612         (ix86_target_string): New function to return a string that
6613         describes the target options.
6614         (ix86_debug_options): New function to print the current options in
6615         the debugger.
6616         (ix86_function_specific_save): New function hook to save the
6617         function specific global variables in the cl_target_option structure.
6618         (ix86_function_specific_restore): New function hook to restore the
6619         function specific variables from the cl_target_option structure to
6620         the global variables.
6621         (ix86_function_specific_print): New function hook to print the
6622         target specific options in the cl_target_option structure.
6623         (ix86_valid_option_attribute_p): New function hook to validate
6624         attribute((option(...))) arguments.
6625         (ix86_valid_option_attribute_tree): New function that is common
6626         code between attribute((option(...))) and #pragma GCC option
6627         support that parses the options and returns a tree holding the options.
6628         (ix86_valid_option_attribute_inner_p): New helper function for
6629         ix86_valid_option_attribute_tree.
6630         (ix86_can_inline_p): New function hook to decide if one function
6631         can inline another on a target specific basis.
6632         (ix86_set_current_function); New function hook to switch target
6633         options if the user used attribute((option(...))) or #pragma GCC
6634         option.
6635         (ix86_tune_defaulted): Move to static file scope from
6636         override_options.
6637         (ix86_arch_specified): Ditto.
6638         (OPTION_MASK_ISA_AES_SET): New macro for moving switches into
6639         ix86_isa_flags.
6640         (OPTION_MASK_ISA_PCLMUL_SET): Ditto.
6641         (OPTION_MASK_ISA_ABM_SET): Ditto.
6642         (OPTION_MASK_ISA_POPCNT_SET): Ditto.
6643         (OPTION_MASK_ISA_CX16_SET): Ditto.
6644         (OPTION_MASK_ISA_SAHF_SET): Ditto.
6645         (OPTION_MASK_ISA_AES_UNSET): Ditto.
6646         (OPTION_MASK_ISA_PCLMUL_UNSET): Ditto.
6647         (OPTION_MASK_ISA_ABM_UNSET): Ditto.
6648         (OPTION_MASK_ISA_POPCNT_UNSET): Ditto.
6649         (OPTION_MASK_ISA_CX16_UNSET): Ditto.
6650         (OPTION_MASK_ISA_SAHF_UNSET): Ditto.
6651         (struct ptt): Move to static file scope from override_options.
6652         (processor_target_table): Ditto.
6653         (cpu_names): Ditto.
6654         (ix86_handle_option): Add support for options that are now isa options.
6655         (override_options): Add support for declaring functions that
6656         support different target options than were specified on the
6657         command line.  Move struct ptt, processor_target_table, cpu_names,
6658         ix86_tune_defaulted, ix86_arch_specified to static file scope.
6659         Add bool argument.  Fix up error messages so the appropriate error
6660         is given for either command line or attribute.
6661         (ix86_previous_fndecl): New static to remember previous function
6662         declaration to see if we need to change target options.
6663         (ix86_builtins_isa): New array to record the ISA of each builtin
6664         function.
6665         (def_builtin): Always create the builtin function, even if the
6666         current ISA doesn't support it.
6667         (ix86_init_mmx_sse_builtins): Remove TARGET_AES and TARGET_PCLMUL
6668         tests for those builtins.
6669         (ix86_init_builtins): Remove TARGET_MMX test for calling
6670         ix86_init_mmx_sse_builtins.
6671         (ix86_expand_builtin): If the current ISA doesn't support a given
6672         builtin, signal an error.
6673         (TARGET_VALID_OPTION_ATTRIBUTE_P): Set target hook.
6674         (TARGET_SET_CURRENT_FUNCTION): Ditto.
6675         (TARGET_OPTION_SAVE): Ditto.
6676         (TARGET_OPTION_RESTORE): Ditto.
6677         (TARGET_OPTION_PRINT): Ditto.
6678         (TARGET_CAN_INLINE_P): Ditto.
6680 2008-07-22  Rafael Avila de Espindola  <espindola@google.com>
6682         * c-typeck.c (build_external_ref): Don't call assemble_external.
6683         * final.c (output_operand): Call assemble_external.
6685 2008-07-21  DJ Delorie  <dj@redhat.com>
6687         * config/h8300/h8300.c (h8300_hard_regno_scratch_ok): New.
6688         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
6690 2008-07-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6692         * config/spu/spu.md ("div<mode>3"): Convert into expander, move
6693         original insn and splitter contents into ...
6694         ("*div<mode>3_fast"): ... this new pattern.  Enable only if
6695         flag_unsafe_math_optimizations.  Add dummy scratch register.
6696         ("*div<mode>3_adjusted"): New insn and splitter.  Enable only if
6697         !flag_unsafe_math_optimizations.  Returns number with next
6698         highest magnitude if this is still less or equal to the true
6699         quotient in magnitude.
6701 2008-07-21  Rafael Avila de Espindola  <espindola@google.com>
6703         * Makefile.in: Replace toplev.h with TOPLEV_H.
6704         * c-decl.c (merge_decls): Don't set DECL_IN_SYSTEM_HEADER.
6705         * c-lex.c (fe_file_change): Don't set in_system_header.
6706         * c-parser.c (c_token): Remove in_system_header.
6707         (c_lex_one_token): Don't set in_system_header.
6708         (c_parser_set_source_position_from_token): Don't set in_system_header.
6709         * diagnostic.c (diagnostic_report_diagnostic): Use location from
6710         diagnostic_info.
6711         (warning_at): New.
6712         * diagnostic.h (diagnostic_report_warnings_p): Add LOC argument.
6713         * flags.h (in_system_header): Remove.
6714         * function.c (saved_in_system_header): Remove.
6715         (push_cfun): Don't set in_system_header.
6716         (pop_cfun): Don't set in_system_header.
6717         (push_struct_function): Don't set in_system_header.
6718         * input.h (expanded_location): Add sysp.
6719         (in_system_header_at): New.
6720         (in_system_header): New.
6721         * toplev.c (in_system_header): Remove.
6722         * toplev.h: Include input.h
6723         (warning_at): New.
6724         * tree-cfg.c (execute_warn_function_return): Call warning_at.
6725         * tree-ssa.c (warn_uninit): Call warning_at.
6726         (warn_uninitialized_var): Update calls to warn_uninit.
6727         (warn_uninitialized_phi): Update calls to warn_uninit.
6728         * tree.c (make_node_stat): Don't set DECL_IN_SYSTEM_HEADER.
6729         (expand_location): Initialize xloc.sysp.
6730         * tree.h (DECL_IN_SYSTEM_HEADER): Use in_system_header_at.
6731         (tree_decl_with_vis): Remove in_system_header_flag.
6733 2008-07-21  Andreas Krebbel  <krebbel1@de.ibm.com>
6735         PR target/36822
6736         * recog.c (asm_operand_ok): Change the order of the extra
6737         memory constraint checks.
6739 2008-07-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6741         PR tree-opt/36879
6742         * tree-switch-conversion.c (build_one_array): Call
6743         varpool_mark_needed_node and varpool_finalize_decl
6744         instead of assemble_variable.
6746 2008-07-19  Jan Hubicka  <jh@suse.cz>
6748         * cgraph.c (cgraph_add_new_function): Do early local passes.
6749         * tree-nrv.c (gate_pass_return_slot): New gate.
6750         (pass_nrv): Add the gate.
6751         * tree-ssa-coalese.c (hash_ssa_name_by_var, eq_ssa_name_by_var): New
6752         functions.
6753         (coalesce_ssa_name): Coalesce SSA names.
6754         * tree-ssa-live.c (remove_unused_locals): Be more conservative when
6755         not optimizing so unused user vars remains visible.
6756         * common.opt (flag_tree_ter): Always enable by default.
6757         * tree-ssa-ter.c: Include flags.h
6758         (is_replaceable_p): Check that locations match; when aliasing is missing
6759         be conservative about loads.
6760         * tree-optimize.c (gate_init_datastructures): Remove.
6761         (pass_init_datastructures): New.
6762         * passes.c: Reorder passes so we always go into SSA.
6764 2008-07-19  Jan Hubicka  <jh@suse.cz>
6766         * doc/extend.texi (flatten attribute): Remove note about unit-at-a-time
6767         * doc/invoke.texi (--combine): Likewise.
6768         (-finline-functions-called-once): Update levels when enabled.
6769         (-funit-at-a-time): Document new behaviour.
6770         (-ftoplevel-reorder): Document that it is enabled -O0 and imply
6771         -fno-section-anchors when disabled explicitly.
6772         (inline params): They are not ignored now.
6773         (precompiled headers): Remove unit-at-a-time as being incompatible.
6774         * opts.c (decode_options): Handle unit-at-a-time as alias;
6775         imply -fno-section-anchors when toplevel reorder is disabled
6776         explicitly.
6777         * common.opt (ftoplevel-reorder): Set default value to 2.
6778         (funit-at-a-time): Set default value to 1.
6779         * config/rs6000/rs6000.c (optimization_options): Set section anchors
6780         to 2.
6782 2008-07-19  Jan Hubicka  <jh@suse.cz>
6784         * builtins.c (expand_builtin_int_roundingfn,
6785         expand_builtin_int_roundingfn_2): Do not take subtarget argument;
6786         it is not useful.
6788 2008-07-19  Richard Guenther  <rguenther@suse.de>
6790         PR bootstrap/36864
6791         * tree-ssa-sccvn.h (get_constant_value_id): Declare.
6792         * tree-ssa-sccvn.c (get_constant_value_id): New function.
6793         * tree-ssa-pre.c (get_expr_value_id): For newly created
6794         constant value-ids make sure to add the expression to its
6795         expression-set.
6797 2008-07-19  Jakub Jelinek  <jakub@redhat.com>
6799         PR middle-end/36877
6800         * omp-low.c (expand_omp_atomic_fetch_op): Make sure the
6801         return value of the builtin is ignored.
6803 2008-07-19  Olivier Hainque  <hainque@adacore.com>
6805         * doc/tm.texi (MALLOC_ABI_ALIGNMENT): New macro. Alignment, in
6806         bits, a C conformant malloc implementation has to provide.
6807         * defaults.h (MALLOC_ABI_ALIGNMENT): Default to BITS_PER_WORD.
6809 2008-07-19  Joseph Myers  <joseph@codesourcery.com>
6811         PR target/36780
6812         PR target/36827
6813         * reload.c (find_reloads_subreg_address): Only reload address if
6814         reloaded == 0, not for reloaded != 1.
6816         Revert:
6817         2008-07-16  Joseph Myers  <joseph@codesourcery.com>
6818         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
6819         (m32c_legitimate_address_p): Handle "++rii" addresses created by
6820         m32c_legitimize_reload_address.
6822         2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
6823         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
6824         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
6826 2008-07-19  Olivier Hainque  <hainque@adacore.com>
6828         * dwarf2out.c (add_subscript_info): New explicit COLLAPSE_P
6829         argument, saying whether nested array are to be collapsed
6830         into a single array type DIE with multiple subscripts.
6831         (gen_array_type_die): Factorize comments about the MIPS_DEBUG_INFO
6832         issues, centralize the nested array types collapsing control and
6833         disable the transformation for Ada.
6835 2008-07-18  Uros Bizjak  <ubizjak@gmail.com>
6837         PR target/36786
6838         * config/i386/i386.md (x86_64_shift_adj_1): Rename from
6839         x86_64_shift_adj.
6840         (x86_64_shift_adj_2): New expander.
6841         (x86_64_shift_adj_3): Ditto.
6842         * config/i386/i386.c (ix86_split_ashr): Use gen_x86_64_shift_adj_3
6843         to split TImode operands.
6844         (ix86_split_ashl): Use gen_x86_64_shift_adj_2 to split TImode operands.
6845         (ix86_split_lshr): Ditto.
6847 2008-07-18  Kris Van Hees  <kris.van.hees@oracle.com>
6849         * c-common.c (c_stddef_cpp_builtins): Define __CHAR16_TYPE__
6850         and __CHAR32_TYPE__.
6851         * c-typeck.c (digest_init): Support char16_t and char32_t.
6852         (set_nonincremental_init_from_string): Idem.
6854 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
6856         PR middle-end/36859
6857         * builtins.c (std_gimplify_va_arg_expr): Limit alignment to
6858         PREFERRED_STACK_BOUNDARY.
6859         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6861 2008-07-18  H.J. Lu  <hongjiu.lu@intel.com>
6863         PR middle-end/36858
6864         * function.c (locate_and_pad_parm): Cap boundary earlier.
6866 2008-07-17  Julian Brown  <julian@codesourcery.com>
6868         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Make
6869         no-op for targets which don't use DLLs.
6871 2008-07-17  Martin Jambor  <mjambor@suse.cz>
6873         * ipa-cp.c (ipcp_print_all_lattices): New variable info, check
6874         that nodes are relevant by examining the node->analyzed flag.
6875         (ipcp_init_stage): Check which nodes are relevant, assert that the
6876         relevant ones are also required.
6877         (ipcp_propagate_stage): Check on the side arrays are properly
6878         allocated.
6879         (ipcp_print_all_jump_functions): Make sure not to touch any node
6880         that is not analyzed or an edge that does not have a corresponding
6881         entry in the on-the-side vectors.
6882         (ipcp_function_scale_print): Likewise.
6883         (ipcp_update_callgraph): Check that the node is relevant.
6884         (ipcp_insert_stage): Check that the node is relevant.  Check there is
6885         an info for every node and edge.
6886         * ipa-prop.c (ipa_init_func_list): Check the nodes are relevant.
6887         (ipa_print_all_tree_maps): Likewise and a new variable info.
6888         (ipa_print_all_params_modified): Likewise.
6889         * ipa-prop.h (ipa_edge_args_info_available_for_edge_p): New function.
6891 2008-07-17  Roman Zippel <zippel@linux-m68k.org>
6893         PR target/25343
6894         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for __mc68000__.
6896 2008-07-17  Paolo Bonzini  <bonzini@gnu.org>
6898         PR rtl-optimization/36753
6899         * fwprop.c (use_killed_between): Don't shortcut
6900         single-definition global registers.
6902 2008-07-16  Jan Hubicka  <jh@suse.cz>
6904         * cgraph.h (varpool_empty_needed_queue): Declare.
6905         * cgraphunit.c (output_in_order): Mark all variables as needed;
6906         empty the queue.
6907         * varpool.c (varpool_assemble_node): Update debug queue.
6908         (varpool_assemble_pending_decls): Don't do it here.
6909         (varpool_empty_needed_queue):  New function.
6911 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6913         * recog.c (peephole2_optimize): Fix formatting.
6915 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6917         * c-pch.c (get_ident): Avoid C++ keywords.
6918         * combine-stack-adj.c (single_set_for_csa): Likewise.
6919         * final.c (asm_insn_count, final_scan_insn, alter_subreg,
6920         output_asm_insn): Likewise.
6921         * reload.c (push_secondary_reload, find_reusable_reload,
6922         push_reload, combine_reloads, find_reloads,
6923         debug_reload_to_stream): Likewise.
6924         * reload.h (struct reload): Likewise.
6925         * reload1.c (reload_reg_class_lower, find_reg, find_reload_regs,
6926         allocate_reload_reg, choose_reload_regs, emit_input_reload_insns,
6927         emit_output_reload_insns): Likewise.
6928         * targhooks.c (default_secondary_reload): Likewise.
6929         * varasm.c (section_entry_eq, object_block_entry_eq): Likewise.
6931 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6933         * recog.c (validate_change_1, validate_change,
6934         validate_unshare_change, validate_replace_rtx_1, struct
6935         funny_match, constrain_operands, peephole2_optimize): Avoid C++
6936         keywords.
6937         * reload.c (push_secondary_reload, secondary_reload_class,
6938         scratch_reload_class, find_valid_class, find_reusable_reload,
6939         push_reload, find_dummy_reload, find_reloads_address_1,
6940         find_reloads_address_part, find_equiv_reg): Likewise.
6941         * reload1.c (spill_failure, eliminate_regs_1, allocate_reload_reg,
6942         choose_reload_regs): Likewise.
6943         * rtlanal.c (replace_rtx, nonzero_bits1, num_sign_bit_copies1):
6944         Likewise.
6945         * rtlhooks.c (gen_lowpart_if_possible): Likewise.
6946         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6947         * sched-rgn.c (concat_INSN_LIST): Likewise.
6948         * stor-layout.c (mode_for_size, mode_for_size_tree,
6949         smallest_mode_for_size): Likewise.
6951 2008-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6953         * cfg.c (dump_reg_info): Avoid C++ keywords.
6954         * dwarf2asm.c (dw2_force_const_mem,
6955         dw2_asm_output_encoded_addr_rtx): Likewise.
6956         * except.c (gen_eh_region, add_action_record, output_ttype): Likewise.
6957         * expmed.c (expand_shift): Likewise.
6958         * global.c (find_reg): Likewise.
6959         * graph.c (draw_edge): Likewise.
6960         * local-alloc.c (reg_meets_class_p, find_free_reg): Likewise.
6961         * optabs.c (expand_binop, expand_twoval_unop, expand_twoval_binop,
6962         widen_clz, widen_bswap, expand_parity, expand_unop,
6963         emit_cmp_and_jump_insn_1): Likewise.
6964         * postreload.c (reload_cse_simplify_operands): Likewise.
6965         * ra.h (add_neighbor): Likewise.
6966         * reg-stack.c (remove_regno_note, change_stack): Likewise.
6967         * regclass.c (memory_move_secondary_cost, dump_regclass, regclass,
6968         record_reg_classes, copy_cost, record_address_regs,
6969         invalid_mode_change_p): Likewise.
6970         * regrename.c (regrename_optimize, scan_rtx_reg,
6971         dump_def_use_chain, find_oldest_value_reg,
6972         replace_oldest_value_reg, copyprop_hardreg_forward_1): Likewise.
6974 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
6976         * config/rs6000/rs6000.c (processor_target_table): Remove duplicate
6977         MASK_POWERPC64 for power4 in previous commit.
6979 2008-07-16  Olivier Hainque  <hainque@adacore.com>
6981         * collect2.c (scan_prog_file, COFF version): Use CONST_CAST
6982         instead of bare conversion to cast const-ness away.
6984 2008-07-16  Anatoly Sokolov  <aesok@post.ru>
6986         * config/xtensa/xtensa.h (FUNCTION_OUTGOING_VALUE,
6987         XTENSA_FUNCTION_VALUE, XTENSA_FUNCTION_VALUE): Remove.
6988         * config/xtensa/xtensa.c (xtensa_function_value): New function.
6989         (TARGET_FUNCTION_VALUE): Define.
6991 2008-07-16  David Edelsohn  <edelsohn@gnu.org>
6993         * config/rs6000/rs6000.c (processor_target_table): Add
6994         MASK_PPC_GPOPT for power4, power5, power5+, power6, and power6x.
6996 2008-07-16  Joseph Myers  <joseph@codesourcery.com>
6998         PR target/36827
6999         * config/m32c/m32c.c (BIG_FB_ADJ): Move definition earlier.
7000         (m32c_legitimate_address_p): Handle "++rii" addresses created by
7001         m32c_legitimize_reload_address.
7003 2007-07-16  Rafael Avila de Espindola  <espindola@google.com>
7005         * c-decl.c (merge_decls): Keep DECL_SOURCE_LOCATION and
7006         DECL_IN_SYSTEM_HEADER in sync.
7008 2008-07-15  Daniel Berlin  <dberlin@dberlin.org>
7010         * tree-ssa-sccvn.c (expressions_equal_p): Check type equality.
7011         * tree-ssa-pre.c (pre_expr_eq): Ditto
7012         (get_constant_for_value_id): Take a type as an argument.
7013         (fully_constant_expression): Pass in type.
7014         (find_or_generate_expression): Short circuit constant case.
7015         (create_expression_by_pieces): Remove special casing of
7016         pointer_plus.
7017         (do_regular_insertion): Short circuit constant case.
7018         (do_partial_partial_insertion): Ditto.
7020 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
7022         PR target/36782
7023         * config/sh/sh.md (symGOT_load): Don't add REG_EQUAL note.
7025 2008-07-15  Bob Wilson  <bob.wilson@acm.org>
7027         * config/xtensa/libgcc-xtensa.ver: New file.
7028         * config/xtensa/t-linux (SHLIB_MAPFILES): Append libgcc-xtensa.ver.
7030 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7032         * df-problems.c (df_set_note): Avoid C++ keywords.
7033         * df-scan.c (df_ref_change_reg_with_loc_1): Likewise.
7034         * dse.c (record_store, remove_useless_values): Likewise.
7035         * emit-rtl.c (gen_reg_rtx, update_reg_offset, gen_rtx_REG_offset,
7036         gen_reg_rtx_offset, operand_subword, change_address_1,
7037         change_address, adjust_address_1, offset_address,
7038         widen_memory_access, emit_copy_of_insn_after): Likewise.
7039         * explow.c (round_push, allocate_dynamic_stack_space): Likewise.
7040         * fwprop.c (should_replace_address, propagate_rtx_1,
7041         propagate_rtx, try_fwprop_subst, forward_propagate_and_simplify):
7042         Likewise.
7043         * gcse.c (cprop_jump, find_implicit_sets, bypass_block,
7044         gcse_emit_move_after, update_ld_motion_stores): Likewise.
7045         * lcm.c (compute_insert_delete, pre_edge_lcm,
7046         compute_rev_insert_delete, pre_edge_rev_lcm): Likewise.
7047         * lower-subreg.c (resolve_reg_notes): Likewise.
7048         * mode-switching.c (optimize_mode_switching): Likewise.
7050 2008-07-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7052         * bt-load.c (add_btr_def, migrate_btr_def,
7053         branch_target_load_optimize): Avoid C++ keywords.
7054         * caller-save.c (insert_restore, insert_save, insert_one_insn):
7055         Likewise.
7056         * combine.c (subst, simplify_set, make_extraction,
7057         make_compound_operation, known_cond, simplify_shift_const_1): Likewise.
7058         * cse.c (make_regs_eqv, merge_equiv_classes, validate_canon_reg,
7059         fold_rtx, equiv_constant, cse_insn, cse_process_notes_1): Likewise.
7061 2008-07-15  Richard Guenther  <rguenther@suse.de>
7063         PR middle-end/36369
7064         * c-common.c (strict_aliasing_warning): Do not warn for
7065         TYPE_REF_CAN_ALIAS_ALL pointers.
7066         (c_common_get_alias_set): may_alias types are not special.
7067         * tree.c (build_pointer_type_for_mode): Look up the may_alias
7068         attribute and set can_ref_all accordingly.
7069         (build_reference_type_for_mode): Likewise.
7070         * doc/extend.texi (may_alias): Clarify.
7072 2008-07-15  Kaz Kojima  <kkojima@gcc.gnu.org>
7074         PR target/36780
7075         * config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Allow
7076         (plus (plus (reg) (const_int)) (const_int)) when reload_in_progress.
7078 2008-07-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7080         PR target/31568
7081         * config/rs6000/rs6000.c (print_operand <case 'y'>): Don't use
7082         gcc_assert, instead call output_operand_lossage.
7084 2008-07-15  Kai Tietz  <kai.tietz@onevision.com>
7086         * builtins.c (std_canonical_va_list): Treat structure based
7087         va_list types.
7089 2008-07-15  Ben Elliston  <bje@au.ibm.com>
7091         * emit-rtl.c (set_mem_attributes_minus_bitpos): Improve comment.
7093 2007-07-14  Rafael Avila de Espindola  <espindola@google.com>
7095         * c-decl.c (diagnose_mismatched_decls): Don't warn if TREE_NO_WARNING
7096         is set.
7098 2008-07-14  Jan Hubicka  <jh@suse.cz>
7100         * i386.md (sse5 cmov pattern): Update call of ix86_sse5_valid_op_p
7101         * sse.md (sse5 patterns): Update call of ix86_sse5_valid_op_p;
7102         fix predicates and constraints.
7103         * i386.c (ix86_sse5_valid_op_p): Add commutative parameter.
7104         * i386-protos.h (ix86_sse5_valid_op_p): Update declaration.
7106 2008-07-14  Doug Kwan  <dougkwan@google.com>
7108         * config.gcc (arm*-*-eabi*): Include arm/eabi.h and use
7109         additional option file arm/eabi.opt.
7110         * config/arm/eabi.h (File): New configuration file for EABI targets.
7111         * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Add
7112         SUBSUBTARGET_EXTRA_SPECS.
7113         (SUBSUBTARGET_EXTRA_SPECS): Provide empty default.
7114         * config/arm/unknown-elf.h (UNKNOWN_ELF_STARTFILE_SPEC): Renamed
7115         from STARTFILE_SPEC so that it can be referenced in an override.
7116         (STARTFILE_SPEC): Use UNKNOWN_ELF_STARTFILE_SPEC.
7117         (UNKNOWN_ELF_ENDFILE_SPEC): Renamed from ENDFILE_SPEC so that it
7118         can be referenced in an override.
7119         (ENDFILE_SPEC): Use UNKNOWN_ELF_ENDFILE_SPEC.
7120         * config/arm/bpabi.h (BPABI_LINK_SPEC): Renamed from LINK_SPEC
7121         so that it can be referenced in an override.
7122         (LINK_SPEC): Use BPABI_LINK_SPEC.
7123         * config/arm/eabi.opt (File): New.
7125 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7127         * Makefile.in (TARGET_DEF_H): Add targhooks.h.
7128         (FIXED_VALUE_H): New variable.
7129         (RTL_BASE_H): Use $(INPUT_H) and $(FIXED_VALUE_H) instead of
7130         input.h, fixed-value.h.
7131         (TREE_H): Use $(INPUT_H), add $(SYMTAB_H).
7132         (BASIC_BLOCK_H): Use $(BITMAP_H).
7133         (FUNCTION_H): Add varray.h.
7134         (IPA_REFERENCE_H): Use $(BITMAP_H).
7135         (CGRAPH_H): Add $(BASIC_BLOCK_H).
7136         (DF_H): Use $(BITMAP_H).
7137         (GGC_H): Add statistics.h.
7138         (INSN_ADDR_H): New.
7139         (INSN_ATTR_H): Use it.
7140         (SYSTEM_H): Add safe-ctype.h, filenames.h.
7141         (INPUT_H): New.
7142         (SYMTAB_H): Add $(OBSTACK_H).
7143         (CPP_INTERNAL_H): New.
7144         (TREE_DUMP_H): Add tree-pass.h.
7145         (TREE_FLOW_H): Use $(BITMAP_H)
7146         (PRETTY_PRINT_H): Use $(INPUT_H).
7147         (EBITMAP_H): Rename from typo-ed EBIMAP_H.
7148         (GSTAB_H): New.
7149         (BITMAP_H): New.
7150         (many object files): Fix lots of header dependencies throughout.
7152 2008-07-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7154         * Makefile.in (write_entries_to_file, write_entries_to_file_split):
7155         New macros.
7156         (s-gtyp-input): Use them to write tmp-gi.list.
7157         (echo_to_gi.list): Remove.
7159 2008-07-14  Richard Guenther  <rguenther@suse.de>
7161         * tree-ssa-sccvn.c (pre_info): Remove.
7162         (switch_to_PRE_table): Likewise.
7163         (free_scc_vn): Do not clear SSA_NAME_VALUE.  Do not free pre_info.
7164         (set_hashtable_value_ids): Do not create value-ids for the
7165         optimistic tables.
7166         (run_scc_vn): Remove double test.  Remove bogus special-case
7167         in value-number printing.
7168         * tree-ssa-sccvn.h (switch_to_PRE_table): Remove.
7169         * tree-ssa-ccp.c (get_symbol_constant_value): Do not look at
7170         SSA_NAME_VALUE.
7171         * tree-flow-inline.h (get_value_handle): Remove.
7172         * tree-flow.h (get_value_handle): Remove.
7174 2008-07-14  Martin Jambor  <mjambor@suse.cz>
7176         * tree-switch-conversion.c (gen_inbound_check): Make sure the type
7177         in which we generate arithmetics is not a subrange.
7179 2008-07-14  Martin Jambor  <mjambor@suse.cz>
7181         * Makefile.in (IPA_PROP_H): Added ipa-prop.h to IPA_PROP_H variable.
7183 2008-07-14  Richard Guenther  <rguenther@suse.de>
7185         * tree-ssa-pre.c (insert_into_preds_of_block): Do not call convert.
7187 2008-07-14  Andreas Krebbel  <krebbel1@de.ibm.com>
7189         PR target/36745
7190         * config/s390/s390.c: (s390_secondary_reload): Add a secondary
7191         reload for symbol refs moved to r0 with -fPIC.
7192         (legitimize_pic_address): Use the target register as temporary
7193         reg if possible.
7194         (emit_symbolic_move): Adjust comment.
7195         * config/s390/s390.md (reloadsi_PIC_addr, reloaddi_PIC_addr):
7196         New expanders.
7198 2008-07-14  Ben Elliston  <bje@au.ibm.com>
7200         * c-common.h (C_CPP_HASHNODE): New macro.
7201         * coretypes.h (struct cpp_token): Forward declare.
7202         * doc/extend.texi (PowerPC AltiVec Built-in Functions): Document
7203         the context-sensitive keyword method.
7204         * config/rs6000/rs6000-c.c (__vector_keyword, vector_keyword,
7205         __pixel_keyword, pixel_keyword, __bool_keyword, bool_keyword,
7206         expand_bool_pixel): New.
7207         (altivec_categorize_keyword): New function.
7208         (init_vector_keywords): New function.
7209         (rs6000_macro_to_expand): Likewise.
7210         (rs6000_cpu_cpp_builtins): Enable context-sensitive macros if not
7211         compiling an ISO C dialect.
7213 2008-07-13  Daniel Berlin  <dberlin@dberlin.org>
7215         * tree-ssa-pre.c (fully_constant_expression): Add fold_convert calls.
7216         (create_expression_by_pieces): Fix typo.
7217         (do_regular_insertion): Use debug counter here too.
7219 2008-07-14  Hans-Peter Nilsson  <hp@axis.com>
7221         PR target/35492.
7222         * config/cris/cris.h (CRIS_CONST_OK_FOR_LETTER_P): Renamed from
7223         CONST_OK_FOR_LETTER_P.  All port-local users changed.
7224         (CONST_OK_FOR_CONSTRAINT_P): Define; implement Kc as old K,
7225         implement Kp matching power-of-two.
7226         (CONSTRAINT_LEN): Define to match.
7227         * config/cris/cris.md: Replace all use of constraint K with Kc.
7228         ("*btst*): Use Kp for operand 0 of last alternative.
7230 2008-07-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7232         PR testsuite/36440
7233         * tree-call-cdce.c (check_target_format): Accept MIPS single, double
7234         and quad formats.
7236 2008-07-13  Jan Hubicka  <jh@suse.cz>
7238         * tree.c (decl_assembler_name_equal): Expect assembler name of decl
7239         to be mangled too.
7241 2008-07-13  Richard Guenther  <rguenther@suse.de>
7243         PR middle-end/36811
7244         * langhooks.c (lhd_print_error_function): Deal with recursive
7245         BLOCK trees.
7247 2008-07-12  Jan Hubicka  <jh@suse.cz>
7249         * cgraph.c (assembler_name_hash): New static var.
7250         (hash_node_by_assembler_name, eq_assembler_name): New.
7251         (cgraph_node_for_asm): Use hashtable.
7252         (cgraph_remove_node): Maintain hashtable.
7253         (change_decl_assembler_name): Sanity check that names are not changing
7254         after aliasing was processed.
7255         * cgraph.h (varpoon_node): Add next GGC marker.
7256         * tree.c (decl_assembler_name_equal): Constify.
7257         (decl_assembler_name_hash): New.
7258         * tree.h (decl_assembler_name_equal): Constify.
7259         (decl_assembler_name_hash): Update.
7261 2008-07-12  David Daney  <ddaney@avtrex.com>
7263         * config/mips/driver-native.c (host_detect_local_cpu): Handle
7264         sb1 and r5000 cpus.
7266 2008-07-12  Richard Sandiford  <rdsandiford@googlemail.com>
7268         * doc/md.texi: Document the MIPS "v" constraint.
7269         * config/mips/mips.h (reg_class): Revert last change.
7270         (REG_CLASS_NAMES): Likewise.
7271         (REG_CLASS_CONTENTS): Likewise.
7272         * config/mips/mips.c (mips_regno_to_class): Likewise.
7273         * config/mips/constraints.md (v): Likewise, but add documentation.
7274         Add a comment to say that this constraint should not be used in
7275         gcc code.
7277 2008-07-11  DJ Delorie  <dj@redhat.com>
7279         * config/h8300/h8300.md (length): Fix branch offset limit.
7281 2008-07-11  Anatoly Sokolov  <aesok@post.ru>
7283         * config/avr/avr-protos.h (avr_peep2_scratch_safe): Remove prototype.
7284         * config/avr/avr.c (avr_peep2_scratch_safe): Remove.
7285         (avr_hard_regno_scratch_ok): New function.
7286         (TARGET_HARD_REGNO_SCRATCH_OK): Define.
7287         * config/avr/avr.md (all peepholes that request a scratch register):
7288         Remove avr_peep2_scratch_safe use.
7290 2008-07-11  Tom Tromey  <tromey@redhat.com>
7291             Ian Lance Taylor  <iant@google.com>
7293         * c-common.h (enum rid): Add RID_CXX_COMPAT_WARN.
7294         (struct c_common_resword): Define.
7295         (D_CONLY, D_CXXONLY, D_C99, D_CXX0X, D_EXT, D_EXT89): Define.
7296         (D_ASM, D_OBJC, D_CXX_OBJC, D_CXXWARN): Define.
7297         (c_common_reswords, num_c_common_reswords): Declare.
7298         * c-common.c (c_common_reswords): New global const array.
7299         (num_c_common_reswords): New const int.
7300         * c-parser.c (struct resword, reswords): Don't define.
7301         (D_C89, D_EXT, D_EXT89, D_OBJC): Don't define.
7302         (c_parse_init): Clarify mask code.  Use c_common_reswords rather
7303         than reswords.  If warning about C++ keywords, give them a special
7304         RID code.
7305         (c_lex_one_token): Warn about C++ keywords.  Call
7306         objc_is_reserved_word rather than OBJC_IS_AT_KEYWORD.
7307         (c_parser_external_declaration): Look for RID_xxx rather than
7308         RID_AT_xxx, for ObjC++ keywords which are also C++ keywords.
7309         (c_parser_statement_after_labels): Likewise.
7310         (c_parser_objc_class_instance_variables): Likewise.
7311         (c_parser_objc_class_declaration): Likewise.
7312         (c_parser_objc_try_catch_statement): Likewise.
7313         * c-decl.c (c_print_identifier): Ignore RID_CXX_COMPAT_WARN.
7314         (declspecs_add_type): Likewise.
7316 2008-07-11  Angelo Graziosi  <angelo.graziosi@alice.it>
7318         * ggc-page.c (alloc_page):
7319         Substituting xmalloc, xcalloc with
7320         XNEWVEC and XCNEWVAR macros which add the
7321         needed casts.
7323 2008-07-11  Richard Guenther  <rguenther@suse.de>
7325         PR tree-optimization/36765
7326         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7327         aliases from HEAP vars to SMTs.
7329 2008-07-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7331         * Makefile.in (LOOSE_WARN, STRICT_WARN): Update comments.
7332         * configure.ac (loose_warn): Move -Wc++-compat from here...
7333         (strict_warn): ...to here.
7334         * configure: Regenerate.
7336 2008-07-10  Joseph Myers  <joseph@codesourcery.com>
7338         * config.gcc (arm-*-coff*, armel-*-coff*, h8300-*-*,
7339         i[34567]86-*-aout*, i[34567]86-*-coff*, m68k-*-aout*,
7340         m68k-*-coff*, sh-*-*, mips-sgi-irix[56]*, pdp11-*-bsd,
7341         rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Deprecate targets,
7342         excluding more specific h8300-*-* and sh-*-* targets.
7344 2008-07-10  Daniel Berlin  <dberlin@dberlin.org>
7346         * tree-ssa-pre.c (create_expression_by_pieces): Add fold_convert calls.
7347         (eliminate): Ditto.
7348         (execute_pre): Call loop_optimizer_finalize in early exit.
7350 2008-07-10  Jakub Jelinek  <jakub@redhat.com>
7352         PR middle-end/36790
7353         * omp-low.c (lower_omp_2): If task_shared_vars, test all DECL_P
7354         uids in the bitmap, not just VAR_DECL uids.
7356         PR rtl-optimization/36419
7357         * combine-stack-adj.c (adjust_frame_related_expr): New function.
7358         (combine_stack_adjustments_for_block): Call it if needed.  Delete
7359         correct insn.
7360         * dwarf2out.c (dwarf2out_frame_debug_expr): Adjust
7361         DW_CFA_GNU_args_size if CSA pass merged some adjustments into
7362         prologue sp adjustment.
7364 2008-07-10  Peter Maydell  <pmaydell@chiark.greenend.org.uk>
7366         PR other/28322
7367         * opts.c (print_ignored_options): Report postponed diagnostics for
7368         unknown -Wno-* options as warnings, not errors.
7369         (postpone_unknown_option_error): Renamed to...
7370         (postpone_unknown_option_warning): ... this.
7372 2008-07-09  Doug Kwan  <dougkwan@google.com>
7374         Revert:
7375         2008-07-08  Doug Kwan  <dougkwan@google.com>
7377         * config/arm/arm.opt (mandroid): New option.
7378         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
7379         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
7380         (CC1_SPEC): Same.
7381         (CC1PLUS_SPEC): Same.
7382         (LIB_SPEC): Same.
7383         (STARTFILE_SPEC): Same.
7384         (ENDFILE_SPEC): Same.
7385         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
7386         used.
7388 2008-07-09  Richard Sandiford  <rdsandiford@googlemail.com>
7390         PR target/35802
7391         * config/mips/mips.h (reg_class): Remove V1_REG.
7392         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update accordingly.
7393         * config/mips/mips.c (mips_regno_to_class): Map $3 to M16_NA_REGS
7394         instead of V1_REGS.
7395         (mips_get_tp): New function.
7396         (mips_legitimize_tls_address): Use it.
7397         * config/mips/constraints.md (v): Delete.
7398         * config/mips/mips.md (TLS_GET_TP_REGNUM): New constant.
7399         (tls_get_tp_<mode>): Allow any GPR destination and clobber $3.
7400         After reload, split into a move and ...
7401         (*tls_get_tp_<mode>_split): ...this new instruction.
7403 2008-07-09  David Daney  <ddaney@avtrex.com>
7405         * config/mips/driver-native.c: Include coretypes.h and tm.h.
7407 2008-07-09  Jakub Jelinek  <jakub@redhat.com>
7409         * gimplify.c (struct gimplify_ctx): Move to tree-gimple.h.
7410         (push_gimplify_context): Don't allocate temp_htab nor c itself here.
7411         Add c argument.
7412         (pop_gimplify_context): Check c->temp_htab instead of optimize whether
7413         htab_delete should be called.  Don't free c.
7414         (lookup_tmp_var): Create temp_htab lazily.
7415         (gimplify_scan_omp_clauses, gimplify_omp_parallel, gimplify_omp_task,
7416         gimplify_body, force_gimple_operand): Adjust push_gimplify_context
7417         callers.
7418         * omp-low.c (lower_omp_sections, lower_omp_single, lower_omp_master,
7419         lower_omp_ordered, lower_omp_critical, lower_omp_for,
7420         create_task_copyfn, lower_omp_taskreg, execute_lower_omp):
7421         * tree-ssa-ccp.c (convert_to_gimple_builtin): Likewise.
7422         * tree-sra.c (generate_element_init): Likewise.
7423         * tree-mudflap.c (execute_mudflap_function_ops,
7424         execute_mudflap_function_decls): Likewise.
7425         * tree-inline.c (setup_one_parameter, optimize_inline_calls): Likewise.
7426         * tree-gimple.h (struct gimplify_ctx): New type.
7427         (push_gimplify_context): Adjust prototype.
7429 2008-07-09  Daniel Berlin  <dberlin@dberlin.org>
7431         * tree-ssa-pre.c (phi_translate_1): Update placement of
7432         add_to_value calls.
7434 2008-07-09  Anatoly Sokolov  <aesok@post.ru>
7436         * target.h (struct gcc_target): Add hard_regno_scratch_ok field.
7437         * target-def.h (TARGET_HARD_REGNO_SCRATCH_OK): New.
7438         (TARGET_INITIALIZER): Use TARGET_HARD_REGNO_SCRATCH_OK.
7439         * targhooks.c (default_hard_regno_scratch_ok): New function.
7440         * targhooks.h (default_hard_regno_scratch_ok): Declare function.
7441         * doc/tm.texi: Document TARGET_HARD_REGNO_SCRATCH_OK hook.
7442         * recog.c:  Include "target.h".
7443         (peep2_find_free_register): Add check for global regs. Add target
7444         specific check.
7445         * Makefile.in (recog.o): Depend on target.h.
7447 2008-07-09  Kaz Kojima  <kkojima@gcc.gnu.org>
7449         * config/sh/sh.c (sh_canonical_va_list_type): New.
7450         (TARGET_CANONICAL_VA_LIST_TYPE): Define.
7452 2008-07-09  Raksit Ashok <raksit@google.com>
7454         * doc/invoke.texi (Option Summary): Mention new option
7455         -Wdisallowed-function-list=...
7456         (Warning Options): Document -Wdisallowed-function-list=...
7457         * common.opt (Wdisallowed-function-list=): New flag.
7458         * flags.h (warn_disallowed_functions): External definition of new
7459         boolean warning flag.
7460         (warn_if_disallowed_function_p): Declare new function.
7461         * opts.c (warning_disallowed_functions): New static variable.
7462         (warn_disallowed_functions): New boolean warning flag.
7463         (warn_if_disallowed_function_p): New function.
7464         (add_comma_separated_to_vector): Rename
7465         add_instrument_functions_exclude_list to this.
7466         (common_handle_option): Handle new option. Rename calls to
7467         add_instrument_functions_exclude_list into calls to
7468         add_comma_separated_to_vector.
7469         * c-parser.c (c_parser_postfix_expression_after_primary): New warning
7470         based on flag warn_disallowed_functions.
7472 2008-07-09  Christian Bruel  <christian.bruel@st.com>
7474         * final.c (get_attr_length_1): Call get_attr_length_1 with fallback_fn
7475          instead of get_attr_length.
7477 2008-07-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7479         * genattrtab.c (insert_right_side, evaluate_eq_attr): Avoid C++
7480         keywords.
7481         * genemit.c (gen_insn): Likewise.
7482         * gengtype.c (note_def_vec): Likewise.
7483         * gengtype.h (note_def_vec): Likewise.
7484         * genoutput.c (struct data, output_insn_data, process_template,
7485         gen_expand, gen_split, note_constraint): Likewise.
7486         * genrecog.c (new_decision, add_to_sequence, factor_tests,
7487         make_insn_sequence): Likewise.
7488         * gensupport.c (record_insn_name): Likewise.
7490 2008-07-08  Doug Kwan  <dougkwan@google.com>
7492         * config/arm/arm.opt (mandroid): New option.
7493         * config/arm/bpabi.h (ANDROID_LINK_SPEC): New macro.
7494         (LINK_SPEC): Enable Android specific behaviour when -mandroid is used.
7495         (CC1_SPEC): Same.
7496         (CC1PLUS_SPEC): Same.
7497         (LIB_SPEC): Same.
7498         (STARTFILE_SPEC): Same.
7499         (ENDFILE_SPEC): Same.
7500         (TARGET_BPABI_CPP_BUILTINS): Define __ANDROID__ when -mandroid is
7501         used.
7503 2008-07-08  Raksit Ashok  <raksit@google.com>
7505         * expr.c (emit_block_move_via_movmem): Fix expected_align parameter.
7506         (set_storage_via_setmem): Fix expected_align parameter.
7507         * doc/invoke.texi (i386 and x86-64 Options): Add a couple of options
7508         missing from the list.
7509         * doc/md.texi (movmem): Explicitly state that expected alignment is
7510         to be expressed in bytes.
7511         (setmem): Explicitly state that expected alignment is to be expressed
7512         in bytes.
7514 2008-07-08  Joseph Myers  <joseph@codesourcery.com>
7516         * reload.c (find_reloads_subreg_address): Do not require validity
7517         of address in original mode before reloading address.
7519 2008-07-07  Tianwei Sheng  <tianweis@google.com>
7521         * df-core.c (df_remove_problem): Adjust the access to avoid out of
7522         bounds array access.
7524 2008-07-08  Jakub Jelinek  <jakub@redhat.com>
7526         * tree-sra.c (sra_build_assignment): Handle CONVERT_EXPR_P dst.
7528 2008-07-05  Daniel Berlin  <dberlin@dberlin.org>
7530         Fix PR tree-optimization/23455
7531         Fix PR tree-optimization/35286
7532         Fix PR tree-optimization/35287
7533         * Makefile.in (OBJS-common): Remove tree-vn.o.
7534         (tree-vn.o): Remove.
7535         * dbgcnt.def: Add treepre_insert debug counter.
7536         * gcc/tree-flow.h (add_to_value): Updated for other changes.
7537         (debug_value_expressions): Ditto.
7538         (print_value_expressions): Ditto.
7539         * tree-pretty-print.c (dump_generic_node): Updated for
7540         VALUE_HANDLE removal.
7541         * tree-ssa-dom.c (record_equality): Ditto.
7542         (cprop_operand): Ditto.
7543         (lookup_avail_expr): Ditto.
7544         * tree-ssa-threadedge.c
7545         (record_temporary_equivalences_from_stmts_at_dest): Ditto.
7546         (simplify_control_stmt_condition): Ditto.
7547         * tree.c (tree_code_size): Ditto.
7548         (tree_node_structure): Ditto.
7549         (iterative_hash_expr): Ditto.
7550         * tree.def: Ditto.
7551         * tree.h (VALUE_HANDLE_ID): Ditto.
7552         (VALUE_HANDLE_EXPR_SET): Ditto.
7553         (struct tree_value_handle): Ditto.
7554         (union tree_node): Ditto.
7555         * treestruct.def: Ditto.
7556         * tree-vn.c: Removed.
7557         * tree-ssa-pre.c: Rewritten entirely.
7558         * tree-ssa-sccvn.c (constant_to_value_id): New hashtable.
7559         (constant_value_ids): Ditto.
7560         (vn_nary_op_t): Moved to header.
7561         (vn_phi_t): Ditto.
7562         (vn_reference_op_t): Ditto
7563         (vn_reference_t): Ditto.
7564         (next_value_id): New variable.
7565         (VN_INFO): Add an assert.
7566         (vn_constant_eq): New function.
7567         (vn_constant_hash): Ditto.
7568         (get_or_alloc_constant_value_id): Ditto.
7569         (value_id_constant_p): Ditto.
7570         (vn_reference_compute_hash): De-staticify.
7571         (copy_reference_ops_from_ref): Don't use get_callee_fndecl.
7572         Disable some code with a FIXME.  Remove VALUE_HANDLE use.
7573         (valueize_refs): Update opcode if it changes from ssa name to constant.
7574         (vn_reference_lookup_1): Add new argument.
7575         (vn_reference_lookup):  Ditto.
7576         (vn_reference_lookup_pieces): New function.
7577         (vn_reference_insert): Add return type. Modify to deal with value ids.
7578         (vn_reference_insert_pieces):  New function.
7579         (vn_nary_op_compute_hash): De-staticify.
7580         (vn_nary_op_eq): Ditto.
7581         (vn_nary_op_lookup_pieces): New function.
7582         (vn_nary_op_lookup): Add new argument.
7583         (vn_nary_op_insert_pieces): New function.
7584         (vn_nary_op_insert): Add return type. Modify to deal with value ids.
7585         (vn_phi_insert): Ditto.
7586         (visit_unary_op): Update for callee changes.
7587         (visit_binary_op): Ditto.
7588         (visit_reference_op_load): Ditto.
7589         (visit_reference_op_store): Ditto.
7590         (init_scc_vn): Init next_value_id, constant_to_value_id and
7591         constant_value_ids.
7592         (free_scc_vn): Free them.
7593         (set_hashtable_value_ids): New function.
7594         (run_scc_vn): Use it.
7595         (get_max_value_id): New function.
7596         (get_next_value_id): Ditto.
7597         (expressions_equal_p): Moved from tree-vn.c
7598         (sort_vuses): Ditto.
7599         (sort_vuses_heap): Ditto.
7600         * tree-ssa-sccvn.h: Structures moved from tree-ssa-sccvn.c (noted
7601         above).
7602         * tree.c (iterative_hash_hashval_t): Made non-static
7603         * tree.h (iterative_hash_hashval_t): Declare it.
7605 2008-07-08  Martin Jambor  <mjambor@suse.cz>
7607         * ipa-cp.c (ipcp_init_cloned_node): Call ipa_check_create_node_params
7608         instead of ipa_create_node_params.
7609         (ipcp_driver): Allocate infos with ipa_check_create_node_params and
7610         ipa_check_create_edge_args, free them with
7611         free_all_ipa_structures_after_ipa_cp, call ipa_register_cgraph_hooks.
7613         * ipa-prop.c: Include flags.h and tree-inline.h.
7614         (ipa_node_params_vector): New variable.
7615         (ipa_edge_args_vector): New variable.
7616         (edge_removal_hook_holder): New variable.
7617         (node_removal_hook_holder): New variable.
7618         (edge_duplication_hook_holder): New variable.
7619         (node_duplication_hook_holder): New variable.
7620         (ipa_detect_param_modifications): Check for presence of modified flags.
7621         (ipa_compute_jump_functions): Check for presence of jump functions.
7622         (ipa_free_edge_args_substructures): New function.
7623         (ipa_create_node_params): Removed.
7624         (ipa_free_all_edge_args): Changed to deallocate the on-the-side vector.
7625         (ipa_free_node_params_substructures): New function.
7626         (ipa_free_all_node_params): Changed to deallocate the on-the-side
7627         vector.
7628         (ipa_edge_removal_hook): New function.
7629         (ipa_node_removal_hook): New function.
7630         (duplicate_array): New function.
7631         (ipa_edge_duplication_hook): New function.
7632         (ipa_node_duplication_hook): New function.
7633         (ipa_register_cgraph_hooks): New function.
7634         (ipa_unregister_cgraph_hooks): New function.
7635         (free_all_ipa_structures_after_ipa_cp): New function.
7637         * ipa-prop.h: Include vec.h.
7638         (ipa_node_params_t): New typedef with vector types for it.
7639         (ipa_edge_args_t):  New typedef with vector types for it.
7640         (IPA_NODE_REF): Changed to access an on-the-side vector.
7641         (IPA_EDGE_REF): Changed to access an on-the-side vector.
7642         (ipa_check_create_node_params): New function.
7643         (ipa_check_create_edge_args): New function.
7645         * Makefile.in (IPA_PROP_H): New variable for ipa-prop.h.  Converted
7646         all users.
7648 2008-07-07  Tom Tromey  <tromey@redhat.com>
7650         * configure, config.in: Rebuilt.
7651         * configure.ac: Don't check for scandir or alphasort.
7653 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
7655         * config/arm/arm.c (arm_init_neon_builtins): Register built-in
7656         types immediately after creating them.
7658 2008-07-07  Joseph Myers  <joseph@codesourcery.com>
7660         * config/arm/aout.h (DOLLARS_IN_IDENTIFIERS): Remove.
7662 2008-07-07  Fernando Pereira <fernando@cs.ucla.edu>
7664         * tree-ssa-structalias.c (compute_points_to_sets): Add call to
7665         dump_constraint_graph.
7666         (dump_constraint_edge): New function.
7667         (dump_constraint_graph): New function.
7668         (debug_constraint_graph): New function.
7669         (dump_constraint): Removed useless comparison.
7670         * tree-ssa-structalias.h (dump_constraint_edge): Declare.
7671         (dump_constraint_graph): Declare.
7672         (debug_constraint_graph): Declare.
7673         * tree-dump.c (struct dump_option_value_info): Declare TDF_GRAPH.
7675 2008-07-07  Kai Tietz  <kai.tietz@onevision.com>
7677         * config/i386/i386.c (is_va_list_char_pointer): New.
7678         (ix86_va_start): Replace compare with ms_va_list_type_node
7679         by is_va_list_char_pointer.
7680         (ix86_gimplify_va_arg): Likewise.
7682 2008-07-07  Martin Jambor  <mjambor@suse.cz>
7684         * cgraph.c (cgraph_edge_max_uid): New variable.
7685         (struct cgraph_edge_hook_list): New type.
7686         (struct cgraph_node_hook_list): New type.
7687         (struct cgraph_2edge_hook_list): New type.
7688         (struct cgraph_2node_hook_list): New type.
7689         (first_cgraph_edge_removal_hook): New variable.
7690         (first_cgraph_node_removal_hook): New variable.
7691         (first_cgraph_edge_duplicated_hook): New variable.
7692         (first_cgraph_node_duplicated_hook): New variable.
7693         (cgraph_add_edge_removal_hook): New function.
7694         (cgraph_remove_edge_removal_hook): New function.
7695         (cgraph_call_edge_removal_hooks):  New function.
7696         (cgraph_add_node_removal_hook):  New function.
7697         (cgraph_remove_node_removal_hook):  New function.
7698         (cgraph_call_node_removal_hooks):  New function.
7699         (cgraph_add_edge_duplication_hook):  New function.
7700         (cgraph_remove_edge_duplication_hook):  New function.
7701         (cgraph_call_edge_duplication_hooks):  New function.
7702         (cgraph_add_node_duplication_hook):  New function.
7703         (cgraph_remove_node_duplication_hook):  New function.
7704         (cgraph_call_node_duplication_hooks):  New function.
7705         (cgraph_create_edge): Assign to edge uid.
7706         (cgraph_remove_edge): Call edge removal hooks.
7707         (cgraph_node_remove_callees): Call edge removal hooks.
7708         (cgraph_node_remove_callers): Call edge removal hooks.
7709         (cgraph_remove_node): Call node removal hooks.
7710         (cgraph_clone_edge): Call edge duplication hooks.
7711         (cgraph_clone_node): Call node duplication hooks.
7713         * cgraph.h (cgraph_edge): New field uid.
7714         (cgraph_edge_hook): New type.
7715         (cgraph_node_hook): New type.
7716         (cgraph_2edge_hook): New type.
7717         (cgraph_2node_hook): New type.
7719 2008-07-07  Andreas Tobler  <a.tobler@schweiz.org>
7721         * config.in: Regenerate.
7723 2008-07-07  Vladimir Prus  <vladimir@codesourcery.com>
7725         * gcc.c (print_sysroot): New.
7726         (option_map, display_help, process_command): Handle the
7727         -print-sysroot option.
7728         (main): Print the sysroot if requested.
7729         * doc/invoke.texi (Debugging Options): Document -print-sysroot.
7731 2008-07-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
7733         PR target/34780
7734         * unwind-pe.h (size_of_encoded_value): add attribute unused.
7736 2008-07-07  Daniel Jacobowitz  <dan@codesourcery.com>
7738         * function.c (assign_parm_remove_parallels): Check mode of entry_parm.
7739         (assign_parm_setup_block_p): Also check mode of entry_parm.
7741 2008-07-07  Richard Guenther  <rguenther@suse.de>
7743         * tree-ssa-structalias.h (set_used_smts): Remove.
7744         * tree-ssa-structalias.c (used_smts): Likewise.
7745         (set_used_smts): Likewise.
7746         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Remove
7747         call to set_used_smts.
7749 2008-07-07  Richard Guenther  <rguenther@suse.de>
7751         * tree-ssa-structalias.c (struct variable_info): Add is_full_var flag.
7752         (new_var_info): Set it to false.
7753         (solution_set_add): Correctly handle pointers outside a var and
7754         inside a field.
7755         (type_safe): Treat variables with is_full_var properly.
7756         (do_sd_constraint): Likewise.
7757         (do_ds_constraint): Likewise.
7758         (process_constraint): Remove zeroing offset for !use_field_sensitive.
7759         (get_constraint_for_ptr_offset): New function.
7760         (get_constraint_for_component_ref): For addresses at least include
7761         the last field of the variable.  Handle is_full_vars properly.
7762         (get_constraint_for_1): Factor common code, handle POINTER_PLUS_EXPR.
7763         (handle_ptr_arith): Remove.
7764         (find_func_aliases): Simplify assignment handling.
7765         (create_function_info_for): For parameter and result varinfos set
7766         is_full_var flag.
7767         (create_variable_info_for): Set is_full_var flag whenever we
7768         just created a single varinfo for a decl.
7769         (init_alias_vars): Initialize use_field_sensitive from
7770         max-fields-for-field-sensitive parameter.
7772 2008-07-07  Richard Guenther  <rguenther@suse.de>
7774         PR tree-optimization/36713
7775         * tree-flow-inline.h (is_call_used): New function.
7776         * tree-nrv.c (dest_safe_for_nrv_p): Use it.
7777         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
7778         * tree-outof-ssa.c (create_temp): Set call-used flag if required.
7780 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
7782         * config/m68k/m68k.c (m68k_return_in_memory): Fix arguments types.
7784 2008-07-07  Mark Shinwell  <shinwell@codesourcery.com>
7786         * config/m68k/lb1sf68.asm: Add PIC macros for Linux targets.
7788 2008-07-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
7789             Nathan Sidwell  <nathan@codesourcery.com>
7791         * config.gcc (m68k-*-linux*): Add with_arch.  Add sysroot-suffix.h
7792         to tm_file.  Add m68k/t-floatlib, m68k/t-linux & m68k/t-mlibs to
7793         tmake_file.
7794         * config/m68k/t-linux: New.
7795         * doc/install.texi: Document m68k-*-linux is now multilibbed by
7796         default.
7798 2008-07-07  Nathan Sidwell  <nathan@codesourcery.com>
7800         * config/m68k/t-cf (MULTILIB_EXTRA_OPTS): Add no-mac.
7801         * config/m68k/m68k-devices.def: Remove multilibs that only differ
7802         by MAC/EMAC.
7804 2008-07-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7806         * gcc.c (execute): Fix -Wc++-compat warning.
7808 2008-07-06  H.J. Lu  <hongjiu.lu@intel.com>
7810         PR target/36720
7811         * config/ia64/ia64.c (ia64_split_tmode): Fix typo in TImode
7812         constant for little endian.
7814 2008-07-06  Richard Sandiford  <rdsandiford@googlemail.com>
7816         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Check
7817         mips_base_mips16 instead of TARGET_MIPS16.
7818         (mips_base_mips16): Declare.
7819         * config/mips/mips.c (mips_base_mips16): Make global.
7820         (was_mips16_p): Remove GTY marker.
7821         (was_mips16_pch_p): New variable.
7822         (mips_set_mips16_mode): Check both was_mips16_p and was_mips16_pch_p.
7823         (mips_override_options): Force to non-MIPS16 mode initially.
7824         Do not complain about MIPS16 PIC incompatibilities here.
7825         Only allow -mgpopt if -mexplicit-relocs is in force for
7826         non-MIPS16 code.
7828 2008-07-06  Andreas Tobler  <a.tobler@schweiz.org>
7830         * configure.ac: Check for caddr_t, define to char * if not defined.
7831         * configure: Regenerate.
7832         * ggc-common.c (mmap_gt_pch_get_address): Fix -Wc++-compat warnings.
7833         (mmap_gt_pch_use_address): Likewise.
7834         * config/host-solaris.c (sol_gt_pch_use_address): Likewise.
7836 2008-07-06  Richard Guenther  <rguenther@suse.de>
7838         * tree-ssa-structalias.c (struct variable_info): Remove has_union.
7839         (new_var_info): Deal with it.
7840         (solution_set_add): Likewise.
7841         (bitpos_of_field): Make signed, fix.
7842         (struct fieldoff): Remove type and decl fields.  Make size field
7843         unsigned HOST_WIDE_INT.  Add has_unknown_size and may_have_pointers
7844         flags.
7845         (fieldoff_compare): Deal with it.
7846         (push_fields_onto_fieldstack): Remove has_union argument, glob
7847         adjacent non-pointer fields together.
7848         (create_function_info_for): Do not set has_union.
7849         (create_variable_info_for): Simplify.
7851 2008-07-06  Kai Tietz  <kai.tietz@onevision.com>
7853         * config.gcc (extra_headers): Add cross-stdarg.h for target
7854         x86_64-*-* and i?86-*-*.
7855         * config/i386/cross-stdarg.h: New.
7856         * builtins.c (std_fn_abi_va_list): New.
7857         (std_canonical_va_list_type): New.
7858         (stabilize_va_list): Replace va_list_type_node use by
7859         mtarget.canonical_va_list_type.
7860         (gimplify_va_arg_expr): Likewise.
7861         (expand_builtin_va_copy): Replace va_list_type_node use by
7862         mtarget.fn_abi_va_list.
7863         * tree-sra.c (is_va_list_type): New helper.
7864         (decl_can_be_decomposed_p): Replace
7865         va_list_type_node use by is_va_list_type.
7866         * tree-ssa-ccp.c (optimize_stdarg_builtin): Likewise.
7867         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
7868         * c-common.c (c_common_nodes_and_builtins): Use TARGET_ENUM_VA_LIST.
7869         * config/i386/i386-protos.h (ix86_get_valist_type): New.
7870         (ix86_enum_va_list): New.
7871         * config/i386/i386.c (sysv_va_list_type_node): New.
7872         (ms_va_list_type_node): New.
7873         (ix86_function_type_abi): Remove sorry.
7874         (ix86_build_builtin_va_list_abi): New.
7875         (ix86_build_builtin_va_list): Call ix86_build_builtin_va_list_abi
7876         for 64-bit targets.
7877         (ix86_va_start): Replace va_list_type_node by sysv_va_list_type_node.
7878         (ix86_init_builtins_va_builtins_abi): New.
7879         (ix86_init_builtins): Use ix86_init_builtins_va_builtins_abi
7880         for 64-bit targets.
7881         (ix86_handle_abi_attribute): New.
7882         (attribute_spec): Add sysv_abi and ms_abi.
7883         (ix86_fn_abi_va_list): New.
7884         (ix86_canonical_va_list_type): New.
7885         (ix86_enum_va_list): New.
7886         (TARGET_FN_ABI_VA_LIST): New.
7887         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7888         * config/i386/i386.h (TARGET_ENUM_VA_LIST): New.
7889         * doc/tm.texi (TARGET_FN_ABI_VA_LIST): New.
7890         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7891         (TARGET_ENUM_VA_LIST): New.
7892         * expr.h (std_fn_abi_va_list): New.
7893         (std_canonical_va_list_type): New.
7894         * target-def.h (TARGET_FN_ABI_VA_LIST): New.
7895         (TARGET_CANONICAL_VA_LIST_TYPE): New.
7896         (TARGET_INITIALIZER): Add TARGET_FN_ABI_VA_LIST and
7897         TARGET_CANONICAL_VA_LIST_TYPE.
7898         * target.h (struct gcc_target): Add fn_abi_va_list hook
7899         and canonical_va_list_type hook.
7901 2008-07-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7903         * fold-const.c (fold_convert_const): Treat OFFSET_TYPE the same as
7904         integral and pointer types.
7906 2008-07-04  Roger Sayle  <roger@eyesopen.com>
7908         * config/rs6000/host-darwin.c (darwin_rs6000_extra_signals): Cast
7909         the "void*" result of xmalloc to "char*" to fix bootstrap breakage.
7911 2008-07-04  Kaz Kojima  <kkojima@gcc.gnu.org>
7913         PR target/36684
7914         * config/sh/sh.h (OVERRIDE_OPTIONS): Disable -fschedule-insns for PIC.
7916 2008-07-04  Jakub Jelinek  <jakub@redhat.com>
7918         * tree-switch-conversion.c (build_one_array, gen_def_assigns): Use
7919         build_gimple_modify_stmt.
7920         (build_arrays, gen_inbound_check): Likewise.  Force RHS to be
7921         gimple operand.  Use fold_build* instead of build*.
7923 2008-07-04  Richard Guenther  <rguenther@suse.de>
7925         * tree-ssa-structalias.c (lookup_vi_for_tree): Declare.
7926         (do_sd_constraint): Handle a dereference of ESCAPED and CALLUSED
7927         properly to compute the reachability set if we do field-sensitive PTA.
7928         * invoke.texi (max-fields-for-field-sensitive): Document default.
7929         * opts.c (decode_options): Set max-fields-for-field-sensitive to
7930         100 for optimize >= 2.
7932 2008-07-04  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7934         * ggc-zone.c (lookup_page_table_if_allocated,
7935         set_page_table_entry, zone_find_object_size, alloc_small_page,
7936         alloc_large_page, ggc_free, gt_ggc_m_S, ggc_marked_p, init_ggc,
7937         new_ggc_zone, init_ggc_pch, ggc_pch_this_base, ggc_pch_read): Fix
7938         -Wc++-compat and/or -Wcast-qual warnings.
7940 2008-07-04  Alan Modra  <amodra@bigpond.net.au>
7942         PR target/36634
7943         * config/rs6000/rs6000.md (call, call_value): Don't arrange for
7944         pic_offset_table_rtx to be marked as used here.
7945         (call_nonlocal_sysv, call_value_nonlocal_sysv): Add split for
7946         TARGET_SECURE_PLT to "use" pic_offset_table_rtx.
7947         (call_nonlocal_sysv_secure, call_value_nonlocal_sysv_secure): New insn.
7948         (sibcall_nonlocal_sysv, sibcall_value_nonlocal_sysv): Assert
7949         !TARGET_SECURE_PLT.
7951 2008-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7953         * alloc-pool.c (hash_descriptor, eq_descriptor,
7954         alloc_pool_descriptor): Fix -Wc++-compat warnings.
7955         * bitmap.c (hash_descriptor, eq_descriptor, bitmap_descriptor):
7956         Likewise.
7957         * ggc-common.c (hash_descriptor, eq_descriptor, hash_ptr, eq_ptr,
7958         loc_descriptor, ggc_prune_ptr, ggc_free_overhead,
7959         final_cmp_statistic, cmp_statistic, dump_ggc_loc_statistics): Likewise.
7960         * varray.c (hash_descriptor, eq_descriptor, varray_descriptor):
7961         Likewise.
7963 2008-07-03  Eric Botcazou  <ebotcazou@adacore.com>
7965         * tree-flow.h (loop_only_exit_p): Declare.
7966         * tree-ssa-loop-niter.c (loop_only_exit_p): Make public.
7967         * tree-ssa-loop-ivopts.c (may_eliminate_iv): Reinstate direct check on
7968         the number of iterations if it is constant.  Otherwise, if this is the
7969         only possible exit of the loop, use the conservative estimate on the
7970         number of iterations of the entire loop if available.
7972 2008-07-03  Richard Sandiford  <rdsandiford@googlemail.com>
7974         * Makefile.in (libgcc.mvars): Add LIBGCC_SYNC and LIBGCC_SYNC_CFLAGS.
7975         * libgcc-std.ver (GCC_4.4.0): New version, inherited from GCC_4.3.0.
7976         Add synchronization functions.
7977         * config/sync.c: New file.
7978         * config/mips/t-libgcc-mips16 (LIBGCC_SYNC): Define.
7979         (LIBGCC_SYNC_CFLAGS): Likewise.
7981 2008-07-03  Uros Bizjak  <ubizjak@gmail.com>
7983         PR target/36710
7984         * config/i386/i386.md (mode): Add TF to "mode" attribute.
7985         (*pushtf_sse): New insn pattern.
7986         (pushtf splitters): New splitters.
7988 2008-07-03  Michael Meissner  <gnu@the-meissners.org>
7990         PR middle-end/35736
7991         * predict.c (build_predict_expr): Use void_type_node for the tree
7992         type, instead of NULL_TREE.
7994 2008-07-03  H.J. Lu  <hongjiu.lu@intel.com>
7996         * config/i386/i386.c (contains_aligned_value_p): Return true
7997         for TCmode.
7998         (ix86_data_alignment): Align TCmode to 128bits.
7999         (ix86_local_alignment): Likewise.
8001 2008-07-03  Andrew Haley  <aph@redhat.com>
8003         PR bootstrap/33304
8004         * vec.h (VEC_TA): New.
8005         (DEF_VEC_I, DEF_VEC_P, DEF_VEC_ALLOC_I, DEF_VEC_ALLOC_P,
8006         DEF_VEC_O, DEF_VEC_ALLOC_O: Use VEC_TA.
8007         * c-common.c (C_COMMON_FIXED_TYPES_SAT): New macro.
8008         (C_COMMON_FIXED_MODE_TYPES_SAT): New macro.
8009         (C_COMMON_FIXED_TYPES): Remove first arg.
8010         (C_COMMON_FIXED_MODE_TYPES): Likewise.
8011         * tree.c (MAKE_FIXED_TYPE_NODE): Break into two macros,
8012         MAKE_FIXED_TYPE_NODE and MAKE_FIXED_TYPE_NODE_WIDTH in order
8013         not to use empty macro arguments.
8015 2008-07-02  Joseph Myers  <joseph@codesourcery.com>
8017         * config/alpha/vms_tramp.asm, config/arm/crti.asm,
8018         config/arm/crtn.asm, config/bfin/crti.s, config/bfin/crtlibid.s,
8019         config/bfin/crtn.s, config/fr30/crti.asm, config/fr30/crtn.asm,
8020         config/frv/lib1funcs.asm, config/i386/sol2-c1.asm,
8021         config/i386/sol2-ci.asm, config/i386/sol2-cn.asm,
8022         config/i386/sol2-gc1.asm, config/ia64/crti.asm,
8023         config/ia64/crtn.asm, config/m68hc11/larith.asm,
8024         config/m68hc11/m68hc11-crt0.S, config/m68k/crti.s,
8025         config/m68k/crtn.s, config/mcore/crti.asm, config/mcore/crtn.asm,
8026         config/rs6000/crtresfpr.asm, config/rs6000/crtresgpr.asm,
8027         config/rs6000/crtresxfpr.asm, config/rs6000/crtresxgpr.asm,
8028         config/rs6000/crtsavfpr.asm, config/rs6000/crtsavgpr.asm,
8029         config/rs6000/crtsavres.asm, config/rs6000/e500crtres32gpr.asm,
8030         config/rs6000/e500crtres64gpr.asm,
8031         config/rs6000/e500crtres64gprctr.asm,
8032         config/rs6000/e500crtrest32gpr.asm,
8033         config/rs6000/e500crtrest64gpr.asm,
8034         config/rs6000/e500crtresx32gpr.asm,
8035         config/rs6000/e500crtresx64gpr.asm,
8036         config/rs6000/e500crtsav32gpr.asm,
8037         config/rs6000/e500crtsav64gpr.asm,
8038         config/rs6000/e500crtsav64gprctr.asm,
8039         config/rs6000/e500crtsavg32gpr.asm,
8040         config/rs6000/e500crtsavg64gpr.asm,
8041         config/rs6000/e500crtsavg64gprctr.asm, config/rs6000/eabi-ci.asm,
8042         config/rs6000/eabi-cn.asm, config/rs6000/eabi.asm,
8043         config/rs6000/sol-ci.asm, config/rs6000/sol-cn.asm,
8044         config/rs6000/tramp.asm, config/sparc/sol2-ci.asm,
8045         config/sparc/sol2-cn.asm: Remove .file directives.
8047 2008-07-02  Richard Sandiford  <rdsandiford@googlemail.com>
8049         * resource.c (mark_referenced_resources): Look inside
8050         UNSPEC_VOLATILEs and ASM_INPUTs.
8052 2008-07-02  Ian Lance Taylor  <iant@google.com>
8054         * rtlanal.c (add_reg_note): New function.
8055         * rtl.h (add_reg_note): Declare.
8056         * auto-inc-dec.c (attempt_change): Use add_reg_note.
8057         * bb-reorder.c (add_reg_crossing_jump_notes): Likewise.
8058         * builtins.c (expand_builtin_longjmp): Likewise.
8059         (expand_builtin_nonlocal_goto): Likewise.
8060         * calls.c (emit_call_1, expand_call): Likewise.
8061         * cfgexpand.c (add_reg_br_prob_note): Likewise.
8062         * cfglayout.c (fixup_reorder_chain): Likewise.
8063         * cfgrtl.c (force_nonfallthru_and_redirect): Likewise.
8064         (commit_one_edge_insertion): Likewise.
8065         * combine.c (move_deaths, distribute_notes): Likewise.
8066         * df-problems.c (df_set_note): Likewise.
8067         * emit-rtl.c (link_cc0_insns, try_split): Likewise.
8068         (set_unique_reg_note): Likewise.
8069         (emit_copy_of_insn_after): Likewise.
8070         * expr.c (expand_expr_real): Likewise.
8071         * gcse.c (add_label_notes): Likewise.
8072         * haifa-sched.c (create_check_block_twin): Likewise.
8073         * jump.c (mark_jump_label_1): Likewise.
8074         * loop-doloop.c (add_test, doloop_modify): Likewise.
8075         * loop-unswitch.c (compare_and_jump_seq): Likewise.
8076         * lower-subreg.c (move_eh_region_note): Likewise.
8077         * optabs.c (emit_libcall_block): Likewise.
8078         * predict.c (predict_insn): Likewise.
8079         (combine_predictions_for_insn): Likewise.
8080         * recog.c (peephole2_optimize): Likewise.
8081         * regmove.c (try_auto_increment): Likewise.
8082         * reg-stack.c (emit_pop_insn, move_for_stack_reg): Likewise.
8083         * reload.c (find_reloads): Likewise.
8084         * reload1.c (fixup_eh_region_note): Likewise.
8085         (reload_as_needed, add_auto_inc_notes, copy_eh_notes): Likewise.
8086         * reorg.c (delete_prior_computation): Likewise.
8087         (delete_computation, dbr_schedule): Likewise.
8088         * config/pa/pa.c (legitimize_pic_address): Likewise.
8089         * config/sh/sh.c (sh_reorg): Likewise.
8091 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
8093         PR target/36669
8094         * config/libgcc-glibc.ver: Add %exclude.
8095         * config/m32r/libgcc-glibc.ver: Likwise.
8096         * config/s390/libgcc-glibc.ver: Likwise.
8097         * config/sh/libgcc-glibc.ver: Likwise.
8098         * config/sparc/libgcc-sparc-glibc.ver: Likwise.
8100         * config/i386/libgcc-glibc.ver: New.
8102         * config/i386/libgcc-x86_64-glibc.ver: Removed.
8104 2008-07-02  H.J. Lu  <hongjiu.lu@intel.com>
8106         * config.gcc: Remove i386/t-fprules-softfp64 soft-fp/t-softfp
8107         from tmake_file from i[34567]86-*-darwin*, x86_64-*-darwin*,
8108         i[34567]86-*-linux*, x86_64-*-linux*.  Add
8109         i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file for
8110         i[34567]86-*-darwin*, x86_64-*-darwin*, i[34567]86-*-linux*,
8111         x86_64-*-linux*.  Add i386/t-linux to tmake_file for
8112         i[34567]86-*-linux*, x86_64-*-linux*.
8114         * libgcc-std.ver: Add empty GCC_4.4.0.
8116         * mkmap-symver.awk: Support multiple versions per symbol.
8118         * config/i386/i386.c (ix86_init_builtins): Always define
8119         __builtin_fabsq and __builtin_copysignq with fallbacks.
8120         (ix86_expand_builtin): Emit normal call for __builtin_fabsq
8121         and __builtin_copysignq if SSE2 isn't available.
8123         * config/i386/linux.h (LIBGCC2_HAS_TF_MODE): Defined.
8124         (LIBGCC2_TF_CEXT): Likwise.
8125         (TF_SIZE): Likwise.
8127         * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): Defined as 1.
8129         * config/i386/sfp-machine.h: Moved to libgcc.
8131         * config/i386/sfp-machine.h: New.
8132         * config/i386/t-linux: Likwise.
8134         * config/i386/t-darwin: Remove softfp_wrap_start and
8135         softfp_wrap_end.
8136         * config/i386/t-darwin64: Likewise.
8138         * config/i386/t-fprules-softfp64: Renamed to ...
8139         * config/i386/t-fprules-softfp: This.
8141         * config/i386/t-linux64: Remove SHLIB_MAPFILES, softfp_wrap_start
8142         and softfp_wrap_end.
8144 2008-07-02  Jason Merrill  <jason@redhat.com>
8146         * tree.c (ctor_to_list): Use FOR_EACH_CONSTRUCTOR_ELT.
8148         * tree.c (ctor_to_list): New fn.
8149         * tree.h: Declare it.
8150         (CONSTRUCTOR_ELT): New macro.
8151         (CONSTRUCTOR_NELTS): New macro.
8153 2008-07-02  Richard Guenther  <rguenther@suse.de>
8155         * tree-ssa-structalias.c (struct variable_info): Reorder
8156         to fill padding on 64bit hosts.  Make collapsed_to an int.
8157         (get_varinfo_fc): Deal with that.
8158         (new_var_info): Likewise.
8159         (collapse_rest_of_var): Likewise.
8161 2008-07-02  Joshua Sumali  <jsumali@redhat.com>
8163         * doc/install.texi (--enable-java-home): Document.
8164         (--enable-aot-compile-rpm): Likewise.
8165         (--with-arch-directory): Likewise.
8166         (--with-os-directory): Likewise.
8167         (--with-origin-name): Likewise.
8168         (--with-arch-suffix): Likewise.
8169         (--with-jvm-root-dir): Likewise.
8170         (--with-jvm-jar-dir): Likewise.
8171         (--with-python-dir): Likewise.
8173 2008-07-02  Richard Guenther  <rguenther@suse.de>
8175         * tree-ssa-forwprop.c (can_propagate_from): Exclude loads
8176         from decls explicitly.  Merge operand checking from tuples.
8178 2008-07-02  Martin Jambor  <mjambor@suse.cz>
8180         * tree-switch-conversion.c: Included timevar.h which I forgot before.
8182 2008-07-02  Martin Jambor  <mjambor@suse.cz>
8184         * tree-switch-conversion.c: Included timevar.h
8185         (pass_convert_switch): Added a timevar id (TV_TREE_SWITCH_CONVERSION).
8187         * timevar.def: Added TV_TREE_SWITCH_CONVERSION.
8189 2008-07-02  Martin Jambor  <mjambor@suse.cz>
8191         * tree-switch-conversion.c: Corrected various comments and
8192         whitespace issues
8193         (build_constructors): Fixed minor formatting mistakes.
8195         * invoke.texi (Optimize Options): Corrected the
8196         switch-conversion-max-branch-ratio parameter.
8198 2008-07-02  Mark Shinwell  <shinwell@codesourcery.com>
8200         * final.c (asm_insn_count): Return zero for an empty asm body.
8202 2008-07-02  Richard Guenther  <rguenther@suse.de>
8204         * bitmap.h (bitmap_set_bit): Return bool.
8205         (bitmap_clear_bit): Likewise.
8206         * bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
8207         write to the bitmap if it would.
8208         (bitmap_clear_bit): Likewise.
8209         * tree-ssa-structalias.c (add_implicit_graph_edge): Use
8210         bitmap_set_bit return value.
8211         (add_pred_graph_edge): Likewise.
8212         (add_graph_edge): Likewise.
8213         (do_sd_constraint): Likewise.
8214         (do_ds_constraint): Likewise.
8216 2008-07-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8218         * config/alpha/alpha.c (alpha_need_linkage, alpha_use_linkage):
8219         Fix -Wc++-compat and/or -Wcast-qual warnings.
8220         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration,
8221         gen_regparm_prefix): Likewise.
8222         * vmsdbgout.c (write_modbeg, lookup_filename,
8223         vmsdbgout_source_line, vmsdbgout_init): Likewise.
8225 2008-07-02  Danny Smith  <dannysmith@users.sourceforge.net>
8227         * config/i386/mingw32.h (TARGET_USE_JCR_SECTION): Undef to let
8228         defaults.h definition apply.
8230 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
8232         * function.c (assign_parm_remove_parallels): New.
8233         (assign_parm_setup_block_p): Do not return true for non-BLKmode
8234         PARALLELs.
8235         (assign_parm_setup_block): Do not handle them.
8236         (assign_parm_setup_reg, assign_parm_setup_stack): Call
8237         assign_parm_remove_parallels.
8239 2008-07-01  Daniel Jacobowitz  <dan@codesourcery.com>
8241         * c-typeck.c (convert_for_assignment): Use
8242         vector_targets_convertible_p.
8243         * c-common.c (vector_targets_convertible_p): New.
8244         * c-common.h (vector_targets_convertible_p): New prototype.
8245         * config/rs6000/rs6000.c (rs6000_is_opaque_type): Do not check
8246         opaque_p_V2SI_type_node.
8248 2008-07-01  Steve Ellcey  <sje@cup.hp.com>
8250         * config/ia64/ia64.c (ia64_cannot_force_const_mem): Do not allow
8251         RFmode constants.
8253 2008-07-01  Uros Bizjak  <ubizjak@gmail.com>
8255         * config/i386/i386.c (ix86_build_signbit_mask): Generate TImode and
8256         TFmode constants via two element DImode vector for hosts with
8257         HOST_BITS_PER_WIDE_INT < 64.
8258         (ix86_init_builtins): Define __builtin_fabsq and __builtin_copysignq
8259         also for HOST_BITS_PER_WIDE_INT < 64.
8261 2008-07-01  Richard Guenther  <rguenther@suse.de>
8263         PR tree-optimization/36666
8264         * tree-ssa-structalias.c (get_constraint_for_1): Declare.
8265         (get_constraint_exp_from_ssa_var): Split into ...
8266         (get_constraint_exp_for_temp): ... this ...
8267         (get_constraint_for_ssa_var): ... and that.
8268         Return constraint expressions for all touched sub-fields
8269         if the results address is not taken.
8270         (process_constraint): Remove assertion that aggregate
8271         assignments do not happen at this place.
8272         (get_constraint_for_component_ref): Add address_p argument.
8273         Return constraint expressions for all touched sub-fields
8274         if the results address is not taken.
8275         (do_deref): Use get_constraint_exp_for_temp.
8276         (get_constraint_for_1): Rename from ...
8277         (get_constraint_for): ... this.  Add the old function as wrapper.
8278         (do_structure_copy): Use get_constraint_for_1.
8280 2008-07-01  Martin Jambor  <mjambor@suse.cz>
8282         * Makefile.in (tree-switch-conversion.o): Add.
8283         (OBJS-common): Add tree-swtch-conversion.o.
8284         * passes.c (init_optimization_passes): Add pass_convert_switch.
8285         * tree-pass.h: (pass_convert_switch): Add.
8286         * tree-switch-conversion.c: New file.
8287         * gcc.dg/tree-ssa/cswtch.c: New testcase.
8288         * common.opt (ftree-cswtch): New option.
8289         * params.h (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
8290         * params.def (PARAM_SWITCH_CONVERSION_BRANCH_RATIO): New parameter.
8291         * opts.c (decode_options): Set flag_tree_switch_conversion when
8292         optimization level is >= 2.
8293         * doc/invoke.texi (Optimize Options): Added description of
8294         -ftree-swtch-conversion and switch-conversion-max-branch-ratio.
8296 2008-06-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8298         * config/darwin-driver.c (darwin_default_min_version): Fix
8299         -Wc++-compat warnings.
8301 2008-06-30  Uros Bizjak  <ubizjak@gmail.com>
8303         * config/i386/i386.md (*movti_rex64): Add "!" to "r" constraint
8304         of operand 0.
8306 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
8308         * ifcvt.c (cond_move_process_if_block): Free vectors on false return.
8310 2008-06-30  Kenneth Zadeck <zadeck@naturalbridge.com>
8312         PR rtl-optimization/34744
8313         * df-scan.c (df_scan_free_ref_vec, df_scan_free_mws_vec): New macros.
8314         (df_scan_free_internal): Free data structures not
8315         allocated in storage pools.
8316         (df_mw_hardreg_chain_delete_eq_uses): Use df_scan_free_mws_vec.
8317         (df_refs_add_to_chains): Use df_scan_free_ref_vec and
8318         df_scan_free_mws_vec.
8319         * dse.c (dse_step6): Free offset_map_p and offset_map_n
8320         unconditionally.
8322 2008-06-30  H.J. Lu  <hongjiu.lu@intel.com>
8324         * config/i386/i386.c (contains_aligned_value_p): Return true
8325         for __float128.
8326         (ix86_function_arg_boundary): Return its natural boundary
8327         for __float128.
8328         (return_in_memory_32): Don't check TDmode.
8329         (ix86_split_to_parts): Support splitting into 4 parts and
8330         support TFmode for 32bit target.
8331         (ix86_split_long_move): Support splitting into 4 parts.
8332         (bdesc_args): Enable IX86_BUILTIN_FABSQ and IX86_BUILTIN_COPYSIGNQ
8333         for SSE2.
8334         (ix86_init_mmx_sse_builtins): Move __float80 and __float128 to ...
8335         (ix86_init_builtins): Here.
8336         (ix86_scalar_mode_supported_p): Always return true for TFmode.
8337         (ix86_c_mode_for_suffix): Always return TFmode and XFmode for
8338         'q' and 'w', respectively.
8340         * config/i386/i386.md (movtf): Check TARGET_SSE2 instead of
8341         TARGET_64BIT.
8342         (movtf_internal): Likewise.
8343         (<code>tf2): Likewise.
8344         (*absnegtf2_sse): Likewise.
8345         (copysign<mode>3): Likewise.
8346         (copysign<mode>3_const): Likewise.
8347         (copysign<mode>3_var): Likewise.
8348         (define_split UNSPEC_COPYSIGN): Likewise.
8349         * config/i386/sse.md (*nandtf3): Likewise.
8350         (<code>tf3): Likewise.
8351         (*<code>tf3): Likewise.
8353 2008-06-30  Joey Ye  <joey.ye@intel.com>
8354             H.J. Lu  <hongjiu.lu@intel.com>
8356         * global.c (compute_regsets): Set frame_pointer_needed here.
8357         * reload1.c (init_elim_table): Don't set frame_pointer_needed here.
8359 2008-06-30  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
8361         * doc/install.texi (specific): Expand Windows build notes.
8363 2008-06-30  Ira Rosen  <irar@il.ibm.com>
8365         PR tree-optimization/36648
8366         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Divide
8367         number of prolog iterations by step. Fix the comment.
8369 2008-06-30  Richard Guenther  <rguenther@suse.de>
8371         PR middle-end/36671
8372         * tree-ssa-structalias.c (handle_lhs_call): Add flags argument,
8373         handle calls from ECF_MALLOC functions.
8374         (handle_pure_call): ECF_MALLOC functions do not return
8375         call-used memory.
8376         (find_func_aliases): Handle all calls, adjust calls to handle_lhs_call.
8378 2008-06-29  Andreas Schwab  <schwab@suse.de>
8380         * config/m68k/m68k.c (print_operand): Always print a float
8381         constant in hex.
8382         * config/m68k/m68k.h (ASM_OUTPUT_FLOAT_OPERAND)
8383         (ASM_OUTPUT_DOUBLE_OPERAND, ASM_OUTPUT_LONG_DOUBLE_OPERAND):
8384         Remove macros.
8386         * config/rs6000/x-linux64: Remove never used file.
8388 2008-06-29  Richard Guenther  <rguenther@suse.de>
8390         * tree-ssa-structalias.h (compute_points_to_sets): Adjust
8391         prototype.
8392         (struct alias_info): Move ...
8393         * tree-ssa-alias.c: ... here.
8394         (update_alias_info): Declare.
8395         (compute_may_aliases): Call it.
8396         (update_alias_info): New function.
8397         * tree-ssa-structalias.c (update_alias_info): Move ...
8398         * tree-ssa-alias.c (update_alias_info_1): ... here.
8399         * tree-ssa-structalias.c (process_constraint_1): Remove
8400         unused from_call argument.  Rename to ...
8401         (process_constraint): ... this.  Delete old wrapper.
8402         (make_constraint_to): Adjust callers.
8403         (handle_const_call): Likewise.
8404         (handle_pure_call): Likewise.
8405         (init_base_vars): Likewise.
8406         (handle_lhs_call): Likewise.  Remove unnecessary constraint.
8407         (find_func_aliases): We don't need structure copies for
8408         complex types.
8409         (make_constraint_from_anything): Remove.
8410         (create_variable_info_for): For globals make constraints
8411         from escaped, not from anything.
8412         (compute_points_to_sets): Do not call update_alias_info.
8413         (ipa_pta_execute): Use make_constraint_from.
8415 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8417         * Makefile.in (CXX_COMPAT_WARN, cxx_compat_warn): Delete.
8418         (bitmap.o-warn, dominance.o-warn): New.
8419         * configure.ac (cxx_compat_warn): Delete.
8420         (loose_warn): Add -Wcast-qual and -Wc++-compat.
8421         * system.h: Remove #pragma diagnostic for -Wcast-qual and
8422         -Wc++-compat.
8423         * configure: Regenerate.
8425         * optabs.c (libfunc_decl_hash, libfunc_decl_eq): Fix -Wcast-qual
8426         warnings.
8428 2008-06-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8430         * alloc-pool.c (create_alloc_pool): Fix -Wc++-compat warnings.
8431         * df-scan.c (df_notes_rescan): Likewise.
8432         * ggc-page.c (set_page_table_entry): Likewise.
8433         * intl.c (gcc_gettext_width): Likewise.
8434         * varasm.c (get_unnamed_section, get_noswitch_section,
8435         get_section): Likewise.
8437 2008-06-28  Andrew Jenner  <andrew@codesourcery.com>
8439         * regrename.c (build_def_use): Don't copy RTX.
8441 2008-06-28  Sandra Loosemore  <sandra@codesourcery.com>
8443         * doc/extend.texi (Variable Attributes): Use @ref instead of @xref.
8444         (Type Attributes): Fix nesting of @table and @subsection.  Adjust
8445         punctuation.  Use @ref instead of @xref.
8446         (Function Names): Remove stray @display/@end display.
8447         (C++ Attributes): Use @ref instead of @xref.
8448         (Deprecated Features): Fix punctuation around @xref.
8449         (Backwards Compatibility): Likewise.
8450         * doc/rtl.texi (Incdec): Remove stray @table/@end table.
8452 2008-06-28  Joseph Myers  <joseph@codesourcery.com>
8454         * config/rs6000/predicates.md (easy_fp_constant): Reject TFmode
8455         constants for E500 double.
8457 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8459         * doc/rtl.texi (const_vector): Document const_fixed as legitimate
8460         element type of const_vector.
8462 2008-06-28  Uros Bizjak  <ubizjak@gmail.com>
8464         * config/i386/i386.md (addti3, adddi3, addsi3, addhi3, addqi3):
8465         Remove FLAGS_REG clobber from expander pattern.
8466         (subti3, subdi3, subsi3, subhi3, subqi3): Ditto.
8467         (anddi3, andsi3, andhi3, andqi3): Ditto.
8468         (iordi3, iorsi3, iorhi3, iorqi3): Ditto.
8469         (xordi3, xorsi3, xorhi3, xorqi3): Ditto.
8470         (negti2, negdi2, negsi2, neghi2, negqi2): Ditto.
8471         (ashlsi3, ashlhi3, ashlqi3): Ditto.
8472         (ashrsi3, ashrhi3, ashrqi3): Ditto.
8473         (lshrsi3, lshrhi3, lshrqi3): Ditto.
8474         (rotldi3, rotlsi3, rotlhi3, rotlqi3): Ditto.
8475         (rotrdi3, rotrsi3, rotrhi3, rotrqi3): Ditto.
8477 2008-06-28  Richard Guenther  <rguenther@suse.de>
8479         * tree-ssa-structalias.c (callused_id, var_callused,
8480         callused_tree): Add.
8481         (handle_pure_call): New function.
8482         (find_func_aliases): Call it.
8483         (find_what_p_points_to): Handle the call-used set.
8484         (clobber_what_escaped): Likewise.
8485         (compute_call_used_vars): New function.
8486         (init_base_vars): Init the call-used variable.
8487         (do_sd_constraint): Do not propagate the solution from CALLUSED
8488         but use CALLUSED as a placeholder.
8489         (solve_graph): Likewise.
8490         * tree-flow-inline.h (gimple_call_used_vars): New function.
8491         * tree-flow.h (struct gimple_df): Add call_used_vars bitmap.
8492         (compute_call_used_vars): Declare.
8493         * tree-ssa-alias.c (set_initial_properties): Call
8494         compute_call_used_vars.
8495         (reset_alias_info): Clear call-used variables.
8496         (add_call_clobber_ops): Assert we are not called for const/pure
8497         functions.  Remove handling of them.
8498         (add_call_read_ops): Handle pure functions by adding the
8499         call-used set of variables as VUSEs.
8500         * tree-ssa.c (init_tree_ssa): Allocate call-used bitmap.
8501         (delete_tree_ssa): Free it.
8502         * tree-dfa.c (remove_referenced_var): Clear the var from the
8503         call-used bitmap.
8505 2008-06-28  Kai Tietz  <kai.tietz@onevision.com>
8507         * tree.c (build_varargs_function_type_list): New.
8508         (build_function_type_list_1): New.
8509         (build_function_type_list): Use build_function_type_list_1.
8510         * tree.h (build_varargs_function_type_list): New.
8512 2008-06-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8514         PR target/34856
8515         * config/spu/spu.c (spu_builtin_splats): Do not generate
8516         invalid CONST_VECTOR expressions.
8517         (spu_expand_vector_init): Likewise.
8519 2008-06-28  Richard Sandiford  <rdsandiford@googlemail.com>
8521         * optabs.c (libfunc_decls): New variable.
8522         (libfunc_decl_hash, libfunc_decl_eq): New functions.
8523         (init_one_libfunc): Reuse decls and SYMBOL_REFs when asked
8524         for the same function twice.
8526 2008-06-27  Uros Bizjak  <ubizjak@gmail.com>
8528         * config/i386/i386.md (ashlti3, ashrti3, lshrti3): Expand using
8529         ix86_expand_binary_operator directly.
8530         (*ashlti3_1): Rename from ashlti3_1.  Use nonmemory_operand predicate
8531         for operand 2.
8532         (*ashrti3_1): Ditto.
8533         (*lshrti3_1): Ditto.
8534         (*ashlti3_2, *ashrti3_2, *lshrti3_2): Remove insn patterns.
8535         (ashlti, ashrti and lshrti splitters): Handle nonmemory operand 2
8536         using only one splitter.  Conditionaly execute splitter before or
8537         after peephole2 pass.
8538         (ashlti, ashrti and lshrti peephole2): Define peephole2 patterns.
8539         (x86_shld): Rename from x86_shld_1.  Compress operand 2 constraints.
8540         Use only one alternative in asm template.
8541         (x86_64_shld): Compress operand 2 constraints. Use only one alternative
8542         in asm template.
8543         (*ashldi3_cmp_rex64): Use const_1_to_63_operand operand predicate and
8544         "J" operand constraint for operand 2.
8545         (*ashldi3_cconly_rex64): Ditto.
8546         (*ashrdi3_cmp_rex64): Ditto.
8547         (*ashrdi3_cconly_rex64): Ditto.
8548         (*lshrdi3_cmp_rex64): Ditto.
8549         (*lshrdi3_cconly_rex64): Ditto.
8550         * config/i386/predicates.md (const_1_to_63_operand): New predicate.
8551         * config/i386/i386.md (print_operand) ['s']: Print ", " using fputs.
8552         (split_ashr, split_ashl, split_lshr): Use gen_x86_shrd instead of
8553         gen_x86_shrd_1.
8555 2008-06-27  Jakub Jelinek  <jakub@redhat.com>
8557         * gimplify.c (omp_is_private): Don't return true if decl is not
8558         already private on #pragma omp for or #pragma omp parallel for.
8560         PR debug/36617
8561         * tree-cfg.c (struct move_stmt_d): Replace block field with
8562         orig_block and new_block fields.
8563         (move_stmt_r): Only set TREE_BLOCK to p->new_block if
8564         if it used to be NULL, p->orig_block or if p->orig_block is NULL.
8565         (move_block_to_fn): Replace vars_map and new_label_map arguments
8566         with struct move_stmt_d pointer.
8567         (replace_block_vars_by_duplicates): New function.
8568         (move_sese_region_to_fn): Add ORIG_BLOCK argument.  Adjust
8569         move_block_to_fn caller.  If ORIG_BLOCK is non-NULL, move over
8570         all subblocks of ORIG_BLOCK to the new function.  Call
8571         replace_block_vars_by_duplicates.
8572         * tree-flow.h (move_sese_region_to_fn): Adjust prototype.
8573         * omp-low.c (expand_omp_taskreg): Set TREE_USED on DECL_INITIAL
8574         BLOCK of the new function.  Adjust move_sese_region_to_fn caller.
8575         Prune vars with original DECL_CONTEXT from child_cfun->local_decls.
8576         (expand_omp): Temporarily set input_location to the location of
8577         region's controlling stmt.
8578         (lower_omp_sections, lower_omp_for): Add a BLOCK into outermost
8579         BIND_EXPR, push ctx->block_vars and gimplification vars into
8580         the BIND_EXPR and its block's BLOCK_VARS instead of directly
8581         into dest function.
8582         (lower_omp_single): Set TREE_USED on the BIND_EXPR's BLOCK if
8583         there are any BLOCK_VARS.
8584         (lower_omp_taskreg): Set BLOCK on a BIND_EXPR containing the
8585         OMP_PARALLEL or OMP_TASK stmt.
8586         (lower_omp): Save and restore input_location around the lower_omp_1
8587         call.
8589 2008-06-27  Richard Guenther  <rguenther@suse.de>
8591         PR tree-optimization/36400
8592         PR tree-optimization/36373
8593         PR tree-optimization/36344
8594         * tree-ssa-structalias.c (var_escaped, escaped_tree, escaped_id,
8595         var_nonlocal, nonlocal_tree, nonlocal_id): New globals
8596         (update_alias_info): Remove call clobbering code.
8597         (make_constraint_to): New helper function.
8598         (make_escape_constraint): Likewise.
8599         (handle_rhs_call): Use it on all pointer containing arguments.
8600         Also mark the static chain escaped.
8601         (handle_lhs_call): Make constraints from NONLOCAL and ESCAPED
8602         instead of ANYTHING.
8603         (make_constraint_from): New helper split out from ...
8604         (make_constraint_from_anything): ... here.
8605         (find_func_aliases): Add constraints for escape sites.
8606         (intra_create_variable_infos): Make constraints from NONLOCAL
8607         for parameters.
8608         (find_what_p_points_to): Interpret NONLOCAL and ESCAPED the same
8609         as ANYTHING.
8610         (clobber_what_p_points_to): Remove.
8611         (clobber_what_escaped): New function.
8612         (init_base_vars): Init NONLOCAL and ESCAPED.
8613         (do_sd_constraint): Do not propagate the solution from ESCAPED
8614         but use ESCAPED as a placeholder.
8615         (solve_graph): Likewise.
8616         * tree-flow.h (clobber_what_p_points_to): Remove.
8617         (clobber_what_escaped): Declare.
8618         * tree-ssa-alias.c (set_initial_properties): Call it.
8619         Remove code clobbering escaped pointers.
8621 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
8623         * function.c (allocate_struct_function): Only allocate a unique
8624         funcdef_no if the decl is nonzero.
8626 2008-06-27  Richard Sandiford  <rdsandiford@googlemail.com>
8628         * config/mips/mips-protos.h (mips_split_const_insns): Declare.
8629         * config/mips/mips.c (mips_split_const_insns): New function.
8630         * config/mips/mips.md (move_type): New attribute.
8631         (mode): Move attribute definition earlier in file.  Add "TI" and "TF".
8632         (dword_mode): New attribute.
8633         (type): Avoid long line.  Map "move_type"s to "type"s,
8634         choosing "multi" for doubleword moves if appropriate.
8635         Swap MTC/MFC comments to match their declaration order.
8636         (extended_mips16): Default to "yes" if "move_type" is "sll0",
8637         "type" is "branch" or "jal" is "direct".
8638         (length): Handle "extended_mips16" first.  Make the default
8639         "0" for "ghost" instructions.  Set the length from "move_type".
8640         (truncdisi2, truncdihi2, truncdiqi2): Use "move_type" instead
8641         of "type", with "sll0" for the register alternative.  Remove the
8642         "extended_mips16" attribute.
8643         (zero_extendsidi2, *clear_upper32): Use "move_type" instead
8644         of "type", with "shift_shift" for the register alternative.
8645         Remove the "length" attribute.
8646         (*extend<SHORT:mode><GPR:mode>2, *extendqihi2): Likewise.
8647         (*zero_extend<SHORT:mode><GPR:mode>2): Use "move_type" instead
8648         of "type", with "andi" for the register alternative.
8649         (*zero_extendqihi2): Likewise.
8650         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): Use a "move_type"
8651         of "andi" instead of a "type" of "arith".
8652         (*zero_extend<SHORT:mode><GPR:mode>2_mips16): Use "move_type"
8653         instead of "type".
8654         (*zero_extendqihi2_mips16, mov_<load>l, mov_<load>r, mov_<store>l)
8655         (mov_<store>r, *mov<mode>_ra): Likewise.
8656         (extendsidi2): Use "move_type" instead of "type", with "move"
8657         for the register alternative.
8658         (*extend<SHORT:mode><GPR:mode>2_mips16e): Use "move_type" instead
8659         of "type", with "signext" for the register alternative.
8660         (*extend<SHORT:mode><GPR:mode>2_se<SHORT:size>): Likewise.
8661         (*extendqihi2_mips16e, *extendqihi2_seb): Likewise.
8662         (fix_truncdfsi2_insn, fix_truncsfsi2_insn, fix_truncdfdi2)
8663         (fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2, floatdisf2)
8664         (floatdisf2, *branch_equality<mode>_mips16): Likewise.
8665         (unnamed branch insn): Likewise.
8666         (*movdi_gp32_fp64): Fold into...
8667         (*movdi_32bit): ...here.
8668         (*movdf_hardfloat_64bit, *movdf_hardfloat_32bit): Combine into...
8669         (*movdf_hardfloat): ...this new pattern.
8670         (*movdf_softfloat): Remove redundant FPR alternatives.
8671         (*movti, *movti_mips16, *movtf, *movtf_mips16): Add "mode" attributes.
8672         (*movv2sf_hardfloat_64bit, *movv2sf_hardfloat_32bit): Combine into...
8673         (*movv2sf): ...this new pattern.  Use "DF" rather than "SF" for
8674         the "move" attribute.
8675         (*movdi_32bit): Use "move_type" instead of "type" and remove the
8676         "length" attribute.  Use "fpload" and "fpstore" instead of "load"
8677         and "store" for COP loads and stores.
8678         (*movdi_32bit_mips16, *movdi_64bit, *movsi_internal, movcc)
8679         (*movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16)
8680         (*movsf_hardfloat, *movsf_softfloat, *movsi_mips16, *movdf_hardfloat)
8681         (*movdf_softfloat, *movdf_mips16, *movti, *movti_mips16, *movtf)
8682         (*movtf_mips16, *movv2sf): Likewise.
8683         (mfhi<GPR:mode>_<HILO:mode>, mflo<GPR:mode>_<HILO:mode>)
8684         (load_low<mode>, load_high<mode>, store_word<mode>, mthc1<mode>)
8685         (mfhc1<mode>): Use "move_type" instead of "move".
8686         (*low<mode>_mips16): Use "extended_mips16" instead of "length".
8687         (loadgp_blockage): Remove the "length" attribute.
8688         (blockage, set_got_version, update_got_version): Likewise.
8689         (call_internal): Remove the "extended_mips16" attribute.
8690         (call_value_internal, call_value_multiple_internal): Likewise.
8691         * config/mips/loongson.md (mov<mode>_internal): Use "move_type"
8692         instead of "move".
8693         * config/mips/mips-dsp.md (mips_lbux, mips_lhx, mips_lwx): Remove
8694         the "length" attribute.
8696 2008-06-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8698         * c-format.c (handle_format_attribute): Fix -Wc++-compat and/or
8699         -Wcast-qual warnings.
8700         * c-pragma.c (dpm_eq, handle_pragma_push_macro,
8701         handle_pragma_pop_macro): Likewise.
8702         * collect2.c (resolve_lib_name): Likewise.
8703         * config/arc/arc.c (arc_init): Likewise.
8704         * config/arm/arm.c (neon_builtin_compare,
8705         locate_neon_builtin_icode): Likewise.
8706         * config/arm/pe.c (arm_mark_dllexport, arm_pe_unique_section): Likewise.
8707         * config/bfin/bfin.c (bfin_init_machine_status,
8708         bfin_optimize_loop): Likewise.
8709         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Likewise.
8710         * config/cris/cris.c (cris_init_expanders): Likewise.
8711         * config/darwin-c.c (frameworks_in_use, add_framework): Likewise.
8712         * config/darwin.c (machopic_indirection_eq,
8713         machopic_indirection_name, machopic_output_indirection): Likewise.
8714         * config/frv/frv.c (frv_init_machine_status, frv_compare_insns,
8715         frv_io_check_address, frv_io_handle_set, frv_io_handle_use_1,
8716         frv_optimize_membar): Likewise.
8717         * config/i386/cygwin.h (mingw_scan,
8718         GCC_DRIVER_HOST_INITIALIZATION): Likewise.
8719         * config/i386/cygwin1.c (mingw_scan): Likewise.
8720         * config/i386/i386.c (machopic_output_stub): Likewise.
8721         * config/i386/winnt.c (gen_stdcall_or_fastcall_suffix,
8722         i386_pe_unique_section): Likewise.
8723         * config/ia64/ia64.c (ia64_init_machine_status,
8724         ia64_h_i_d_extended, get_free_bundle_state, bundling, ia64_reorg):
8725         Likewise.
8726         * config/iq2000/iq2000.c, iq2000_init_machine_status): Likewise.
8727         * config/m68hc11/m68hc11.c (m68hc11_encode_label): Likewise.
8728         * config/m68k/m68k.c (m68k_handle_option,
8729         m68k_sched_md_init_global): Likewise.
8730         * config/mcore/mcore.c (mcore_mark_dllexport, mcore_mark_dllimport,
8731         mcore_unique_section): Likewise.
8732         * config/mips/mips.c (mips_block_move_straight,
8733         mips16_rewrite_pool_refs, mips_sim_wait_regs_2, mips_sim_record_set):
8734         Likewise.
8735         * config/mmix/mmix.c (mmix_init_machine_status,
8736         mmix_encode_section_info): Likewise.
8737         * config/pa/pa.c (pa_init_machine_status, hppa_encode_label): Likewise.
8738         * config/rs6000/rs6000.c (rs6000_init_machine_status,
8739         print_operand_address, output_toc, redefine_groups,
8740         rs6000_elf_encode_section_info, machopic_output_stub): Likewise.
8741         * config/s390/s390.c (s390_init_machine_status): Likewise.
8742         * config/score/score.c (score_block_move_straight,
8743         score_block_move_loop_body): Likewise.
8744         * config/sparc/sparc.c (sparc_init_machine_status): Likewise.
8745         * config/xtensa/xtensa.c (xtensa_init_machine_status): Likewise.
8746         * emit-rtl.c (find_auto_inc): Likewise.
8747         * gcc.c (translate_options, process_command): Likewise.
8748         * reorg.c (dbr_schedule): Likewise.
8749         * sdbout.c (sdbout_start_source_file, sdbout_init): Likewise.
8750         * xcoffout.c (xcoffout_declare_function): Likewise.
8752 2008-06-27  Daniel Berlin  <dberlin@dberlin.org>
8754         * tree-ssa-structalias.c (find_func_aliases): Trivial fix to get
8755         ipa-pta working again.
8757 2008-06-27  David Edelsohn  <edelsohn@gnu.org>
8759         * config/rs6000/t-aix52: Append large data option to LDFLAGS for
8760         genautomata.
8762 2008-06-27  Edmar Wienskoski  <edmar@freescale.com>
8764         * config.gcc (powerpc*-*-*): Add new core e500mc.
8765         * config/rs6000/e500mc.md: New file.
8766         * config/rs6000/rs6000.c (processor_costs): Add new costs for
8767         e500mc.
8768         (rs6000_override_options): Add e500mc case to
8769         processor_target_table. Altivec and Spe options not allowed
8770         with e500mc. Add isel instruction to e500mc by
8771         default. Initialize rs6000_cost for e500mc.
8772         (rs6000_issue_rate): Set issue rate for e500mc.
8773         * config/rs6000/rs6000.h (processor_type): Add
8774         PROCESSOR_PPCE500MC.
8775         (ASM_CPU_SPEC): Add e500mc.
8776         Set TARGET_ISEL to rs6000_isel.
8777         * config/rs6000/e500.h: Remove redefinition of TARGET_ISEL.
8778         (CHECK_E500_OPTIONS): Remove TARGET_ISEL.
8779         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce500mc.
8780         Include e500mc.md.
8781         * doc/invoke.texi: Add e500mc to list of cpus.
8783 2008-06-27  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
8785         PR c/34867
8786         * c-lex.c (lex_charconst): Initialize unsignedp.
8788 2008-06-27  Olivier Hainque  <hainque@adacore.com>
8790         * gimplify.c (gimplify_modify_expr_to_memset): Assert our
8791         documented assumptions.
8793 2008-06-26  H.J. Lu  <hongjiu.lu@intel.com>
8795         * dwarf2out.c: Remove trailing white spaces.  Break long line
8796         in comments.
8798 2008-06-26  Richard Sandiford  <rdsandiford@googlemail.com>
8800         * libfuncs.h (LTI_synchronize): New libfunc_index.
8801         (synchronize_libfunc): Declare.
8802         * builtins.c (expand_builtin_synchronize): Consider using
8803         synchronize_libfunc before falling back on an asm blockage.
8804         * config/mips/mips.c: Include libfuncs.h
8805         (mips_init_libfuncs): Initialize synchronize_libfunc for TARGET_MIPS16.
8807 2008-06-26  Nathan Froyd  <froydnj@codesourcery.com>
8809         * config/rs6000/rs6000.c (emit_allocate_stack): Add copy_r11
8810         parameter.  Copy stack_reg to r11 where appropriate.
8811         (no_global_regs_above): Add gpr parameter.
8812         (rs6000_stack_info): Only add padding for SPE save area if we
8813         are saving SPE GPRs and CR.
8814         (saveres_routine_syms): New variable.
8815         (FIRST_SAVRES_REGISTER, LAST_SAVRES_REGISTER, N_SAVRES_REGISTERS):
8816         Define.
8817         (rs6000_savres_routine_sym): New function.
8818         (rs6000_emit_stack_reset, rs6000_restore_saved_cr): New functions,
8819         split out of...
8820         (rs6000_emit_epilogue): ...here.  Use rs6000_use_multiple_p and
8821         rs6000_savres_strategy.  Restore GPRs out-of-line if appropriate.
8822         Tweak FPR out-of-line saving.
8823         (rs6000_make_savres_rtx): New function.
8824         (rs6000_use_multiple_p): New function.
8825         (rs6000_savres_strategy): New function.
8826         (rs6000_emit_prologue): Use rs6000_savres_strategy.  Save GPRs
8827         out-of-line if appropriate.
8828         * config/rs6000/sysv4.h (FP_SAVE_INLINE): Save FPRs out-of-line
8829         if we are optimizing for size.
8830         (GP_SAVE_INLINE): Define.
8831         (SAVE_FP_SUFFIX, RESTORE_FP_SUFFIX): Only use _l on 64-bit targets.
8832         * config/rs6000/darwin.h (GP_SAVE_INLINE): Define.
8833         * config/rs6000/aix.h (GP_SAVE_INLINE): Define.
8834         * config/rs6000/rs6000.md (*save_gpregs_<mode>): New insn.
8835         (*save_fpregs_<mode>): Add use of r11.
8836         (*restore_gpregs_<mode>): New insn.
8837         (*return_and_restore_gpregs_<mode>): New insn.
8838         (*return_and_restore_fpregs_<mode>): Adjust to clobber LR and
8839         use r11.
8840         * config/rs6000/spe.md (*save_gpregs_spe): New insn.
8841         (*restore_gpregs_spe): New insn.
8842         (*return_and_restore_gpregs_spe): New insn.
8843         * config/rs6000/predicates.md (save_world_operation): Fix check.
8845 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
8847         * tree-into-ssa (insert_phi_nodes_for): 'var' must be a DECL at
8848         this point, so assert that.
8850 2008-06-26  Steven Bosscher  <steven@gcc.gnu.org>
8852         * cfganal.c: Include vec.h and vecprim.h.
8853         (compute_idf): Import from...
8854         * tree-into-ssa (compute_idf): ...here.
8855         * basic-block.h (compute_idf): Export.
8857 2008-06-26  Joseph Myers  <joseph@codesourcery.com>
8859         * c-decl.c (merge_decls): Use !current_function_decl to check for
8860         extern declaration of C99 inline function being at file scope.
8862 2008-06-25  John David Anglin  <dave.anglin@gcc-cnrc.gc.ca>
8864         * config.gcc (hppa[12]*-*-hpux10*): Don't use fixproto.
8866 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8868         * alias.c (record_alias_subset, init_alias_analysis): Fix
8869         -Wc++-compat and/or -Wcast-qual warnings.
8870         * attribs.c (lookup_attribute_spec): Likewise.
8871         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
8872         copy_bb, connect_traces,
8873         find_rarely_executed_basic_blocks_and_cr): Likewise.
8874         * bt-load.c (find_btr_def_group, add_btr_def, new_btr_user,
8875         note_btr_set, migrate_btr_defs): Likewise.
8876         * builtins.c (result_vector, expand_builtin_memcpy,
8877         expand_builtin_mempcpy_args, expand_builtin_strncpy,
8878         builtin_memset_read_str, expand_builtin_printf,
8879         fold_builtin_memchr, rewrite_call_expr, fold_builtin_printf):
8880         Likewise.
8881         * caller-save.c (mark_set_regs): Likewise.
8882         * calls.c (expand_call, emit_library_call_value_1): Likewise.
8883         * cgraph.c (cgraph_edge): Likewise.
8884         * combine.c (likely_spilled_retval_1): Likewise.
8885         * coverage.c (htab_counts_entry_hash, htab_counts_entry_eq,
8886         htab_counts_entry_del, get_coverage_counts): Likewise.
8887         * cselib.c (new_elt_list, new_elt_loc_list, entry_and_rtx_equal_p,
8888         new_cselib_val): Likewise.
8889         * dbgcnt.c (dbg_cnt_process_opt): Likewise.
8890         * dbxout.c (dbxout_init, dbxout_type, output_used_types_helper):
8891         Likewise.
8892         * df-core.c (df_compact_blocks): Likewise.
8893         * df-problems.c (df_grow_bb_info, df_chain_create): Likewise.
8894         * df-scan.c (df_grow_reg_info, df_ref_create,
8895         df_insn_create_insn_record, df_insn_rescan, df_notes_rescan,
8896         df_ref_compare, df_ref_create_structure, df_bb_refs_record,
8897         df_record_entry_block_defs, df_record_exit_block_uses,
8898         df_bb_verify): Likewise.
8899         * df.h (DF_REF_EXTRACT_WIDTH_CONST, DF_REF_EXTRACT_OFFSET_CONST,
8900         DF_REF_EXTRACT_MODE_CONST): New.
8901         * dominance.c (get_immediate_dominator, get_dominated_by,
8902         nearest_common_dominator, root_of_dom_tree,
8903         iterate_fix_dominators, first_dom_son, next_dom_son): Fix
8904         -Wc++-compat and/or -Wcast-qual warnings.
8905         * dse.c (clear_alias_set_lookup, get_group_info, gen_rtx_MEM,
8906         record_store, replace_read, check_mem_read_rtx, scan_insn,
8907         dse_step1, dse_record_singleton_alias_set): Likewise.
8908         * dwarf2asm.c (dw2_force_const_mem): Likewise.
8910 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8912         * dwarf2out.c (new_cfi, queue_reg_save, dwarf2out_begin_prologue,
8913         dwarf2out_frame_init, new_loc_descr, new_die, lookup_decl_die,
8914         lookup_decl_loc, add_var_loc_to_decl, compute_section_prefix,
8915         assign_symbol_names, htab_cu_hash, htab_cu_eq, htab_cu_del,
8916         build_abbrev_table, new_loc_list, output_comp_unit, add_arange,
8917         add_ranges_num, add_ranges_by_labels, file_info_cmp,
8918         file_name_acquire, output_file_names, add_const_value_attribute,
8919         premark_used_types_helper, file_table_eq, file_table_hash,
8920         lookup_filename, dwarf2out_var_location, dwarf2out_source_line,
8921         dwarf2out_init, file_table_relative_p): Fix -Wc++-compat and/or
8922         -Wcast-qual warnings.
8923         * ebitmap.c (ebitmap_array_grow, ebitmap_array_init,
8924         ebitmap_alloc, ebitmap_ior, ebitmap_and_compl): Likewise.
8925         * emit-rtl.c (get_mem_attrs, get_reg_attrs, gen_rtvec,
8926         gen_reg_rtx, start_sequence, init_emit): Likewise.
8927         * et-forest.c (et_new_occ, et_new_tree): Likewise.
8928         * except.c (init_eh_for_function, gen_eh_region,
8929         remove_unreachable_regions, add_ehl_entry, duplicate_eh_regions_1,
8930         arh_to_landing_pad, arh_to_label, add_action_record,
8931         add_call_site, switch_to_exception_section): Likewise.
8932         * expmed.c (synth_mult): Likewise.
8933         * expr.c (gen_group_rtx, emit_group_load, emit_group_store,
8934         store_expr): Likewise.
8935         * final.c (shorten_branches, final_scan_insn, debug_queue_symbol):
8936         Likewise.
8937         * function.c (assign_stack_temp_for_type,
8938         allocate_struct_function, match_asm_constraints_1): Likewise.
8939         * gcov-io.c (gcov_allocate): Likewise.
8940         * gcse.c (GNEW, GCNEW, GNEWVEC, GCNEWVEC, GRESIZEVEC, GNEWVAR,
8941         GCNEWVAR, GRESIZEVAR, GOBNEW, GOBNEWVAR): New.
8942         (gcse_main, alloc_gcse_mem, alloc_gcse_mem, alloc_reg_set_mem,
8943         record_one_set, insert_expr_in_table, insert_set_in_table,
8944         dump_hash_table, compute_hash_table_work, alloc_hash_table,
8945         pre_ldst_expr_hash, pre_ldst_expr_eq, find_rtx_in_ldst,
8946         reg_set_info, reg_clear_last_set): Fix -Wc++-compat and/or
8947         -Wcast-qual warnings.
8949 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8951         * cse.c (approx_reg_cost_1, cse_insn): Fix -Wc++-compat and/or
8952         -Wcast-qual warnings.
8953         * gcc.c (process_command): Likewise.
8954         * genattrtab.c (oballoc): Use XOBNEW.
8955         (oballocvec): Define.
8956         (attr_hash_add_rtx, attr_hash_add_string, attr_string,
8957         get_attr_value, fill_attr, make_length_attrs, gen_attr, gen_insn,
8958         gen_delay, find_attr, gen_insn_reserv, gen_bypass_1): Fix
8959         -Wc++-compat and/or -Wcast-qual warnings.
8960         * genautomata.c (XCREATENODE, XCREATENODEVEC, XCREATENODEVAR,
8961         XCOPYNODE, XCOPYNODEVEC, XCOPYNODEVAR): New.
8962         (gen_cpu_unit, gen_query_cpu_unit, gen_bypass, gen_excl_set,
8963         gen_presence_absence_set, gen_automaton, gen_regexp_el,
8964         gen_regexp_repeat, gen_regexp_allof, gen_regexp_oneof,
8965         gen_regexp_sequence, gen_reserv, gen_insn_reserv, process_excls,
8966         add_excls, process_presence_absence_names,
8967         process_presence_absence_patterns, add_presence_absence,
8968         process_regexp, add_advance_cycle_insn_decl, get_free_alt_state,
8969         get_free_state, add_arc, get_free_automata_list_el,
8970         form_reserv_sets_list, copy_insn_regexp, transform_1, transform_2,
8971         transform_3, cache_presence, create_ainsns, create_automata,
8972         create_state_ainsn_table, dfa_insn_code_enlarge,
8973         output_trans_func, output_min_issue_delay_func,
8974         output_dead_lock_func, output_reset_func,
8975         output_get_cpu_unit_code_func, output_dfa_start_func,
8976         expand_automata): Likewise.
8977         * genextract.c (gen_insn): Likewise.
8978         * gengtype-lex.l: Likewise.
8979         * gengtype.c (read_input_list, adjust_field_type,
8980         process_gc_options): Likewise.
8981         * genoutput.c (note_constraint): Likewise.
8982         * genpreds.c (mangle, add_constraint): Likewise.
8983         * genrecog.c (process_define_predicate, new_decision,
8984         add_to_sequence): Likewise.
8985         * gensupport.c (record_insn_name): Likewise.
8987 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8989         * config/i386/driver-i386.c (detect_caches_amd,
8990         detect_caches_intel, host_detect_local_cpu): Fix -Wc++-compat
8991         and/or -Wcast-qual warnings.
8992         *ggc-common.c (ggc_mark_roots, gt_pch_note_object,
8993         gt_pch_note_reorder, relocate_ptrs, write_pch_globals,
8994         gt_pch_save): Likewise.
8995         * ggc-page.c (push_depth, push_by_depth, alloc_anon, alloc_page,
8996         gt_ggc_m_S, clear_marks, ggc_pch_read): Likewise.
8997         * global.c (compute_regsets): Likewise.
8998         * graph.c (print_rtl_graph_with_bb, clean_graph_dump_file,
8999         finish_graph_dump_file): Likewise.
9000         * haifa-sched.c (schedule_block, extend_h_i_d, extend_ready,
9001         unlink_bb_notes): Likewise.
9002         * integrate.c (get_hard_reg_initial_val): Likewise.
9003         * ipa-prop.c (ipa_push_func_to_list): Likewise.
9004         * ipa-struct-reorg.c (gen_var_name, gen_cluster_name): Likewise.
9005         * local-alloc.c (update_equiv_regs): Likewise.
9006         * loop-invariant.c (check_invariant_table_size,
9007         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv):
9008         Likewise.
9009         * loop-iv.c (check_iv_ref_table_size, analyzed_for_bivness_p,
9010         altered_reg_used, mark_altered): Likewise.
9011         * loop-unroll.c (si_info_eq, ve_info_eq, allocate_basic_variable,
9012         insert_var_expansion_initialization,
9013         combine_var_copies_in_loop_exit, apply_opt_in_copies,
9014         release_var_copies): Likewise.
9015         * matrix-reorg.c (mat_acc_phi_hash, mat_acc_phi_eq, mtt_info_eq,
9016         analyze_matrix_decl, add_allocation_site, analyze_transpose,
9017         analyze_accesses_for_phi_node, check_var_notmodified_p,
9018         check_allocation_function, find_sites_in_func,
9019         record_all_accesses_in_func, transform_access_sites,
9020         transform_allocation_sites): Likewise.
9021         * omp-low.c (new_omp_region, create_omp_child_function_name,
9022         check_omp_nesting_restrictions, check_combined_parallel,
9023         lower_omp_2, diagnose_sb_1, diagnose_sb_2): Likewise.
9024         * optabs.c (no_conflict_move_test, gen_libfunc, gen_fp_libfunc,
9025         gen_intv_fp_libfunc, gen_interclass_conv_libfunc,
9026         gen_intraclass_conv_libfunc, set_optab_libfunc, set_conv_libfunc):
9027         Likewise.
9028         * opts-common.c (prune_options): Likewise.
9029         * opts.c (add_input_filename, print_filtered_help,
9030         get_option_state): Likewise.
9031         * params.c (add_params): Likewise.
9032         * passes.c (set_pass_for_id, next_pass_1,
9033         do_per_function_toporder, pass_fini_dump_file): Likewise.
9034         * postreload.c (reload_cse_simplify_operands): Likewise.
9035         * predict.c (tree_predicted_by_p, tree_predict_edge,
9036         clear_bb_predictions, combine_predictions_for_bb): Likewise.
9038 2008-06-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9040         * ra.h (add_neighbor): Fix -Wc++-compat and/or -Wcast-qual
9041         warnings.
9042         * recog.c (check_asm_operands, validate_change_1): Likewise.
9043         * reg-stack.c (check_asm_stack_operands, subst_asm_stack_regs,
9044         subst_asm_stack_regs): Likewise.
9045         * regclass.c (regclass, som_hash, som_eq, record_subregs_of_mode,
9046         cannot_change_mode_set_regs, invalid_mode_change_p): Likewise.
9047         * regmove.c (reg_is_remote_constant_p): Likewise.
9048         * regrename.c (regrename_optimize, scan_rtx_reg,
9049         kill_clobbered_value, kill_set_value, kill_autoinc_value):
9050         Likewise.
9051         * regstat.c (regstat_init_n_sets_and_refs, regstat_compute_ri,
9052         regstat_compute_calls_crossed): Likewise.
9053         * reload1.c (init_reload, new_insn_chain,
9054         has_nonexceptional_receiver, reload, copy_reloads,
9055         calculate_needs_all_insns, init_elim_table): Likewise.
9056         * rtl-factoring.c (compute_rtx_cost, fill_hash_bucket): Likewise.
9057         * rtl.c (shallow_copy_rtx_stat): Likewise.
9058         * rtlanal.c (parms_set): Likewise.
9059         * sbitmap.c (sbitmap_alloc, sbitmap_alloc_with_popcount,
9060         sbitmap_resize, sbitmap_vector_alloc): Likewise.
9061         * sched-ebb.c (earliest_block_with_similiar_load,
9062         add_deps_for_risky_insns): Likewise.
9063         * sched-rgn.c (find_rgns, gather_region_statistics, extend_rgns,
9064         schedule_region): Likewise.
9065         * see.c (eq_descriptor_pre_extension,
9066         hash_descriptor_pre_extension, hash_del_pre_extension,
9067         eq_descriptor_properties, hash_descriptor_properties,
9068         hash_del_properties, see_seek_pre_extension_expr,
9069         see_initialize_data_structures, see_print_register_properties,
9070         see_print_pre_extension_expr, see_delete_merged_def_extension,
9071         see_delete_unmerged_def_extension, see_emit_use_extension,
9072         see_pre_delete_extension, see_map_extension, see_commit_changes,
9073         see_analyze_merged_def_local_prop,
9074         see_analyze_merged_def_local_prop,
9075         see_analyze_unmerged_def_local_prop, see_analyze_use_local_prop,
9076         see_set_prop_merged_def, see_set_prop_unmerged_def,
9077         see_set_prop_unmerged_use, see_print_one_extension,
9078         see_merge_one_use_extension, see_merge_one_def_extension,
9079         see_store_reference_and_extension, see_update_uses_relevancy,
9080         see_update_defs_relevancy): Likewise.
9081         * statistics.c (hash_statistics_hash, hash_statistics_eq,
9082         hash_statistics_free, curr_statistics_hash): Likewise.
9083         * stmt.c (parse_output_constraint, decl_overlaps_hard_reg_set_p,
9084         expand_asm_operands, expand_return, case_bit_test_cmp,
9085         expand_case): Likewise.
9086         * stor-layout.c (start_record_layout): Likewise.
9087         * stringpool.c (ggc_alloc_string, gt_pch_n_S,
9088         gt_pch_save_stringpool): Likewise.
9089         * tree-data-ref.c (hash_stmt_vertex_info,
9090         have_similar_memory_accesses_1, ref_base_address_1): Likewise.
9091         * tree-ssa-phiopt.c (name_to_bb_hash): Likewise.
9093 2008-06-25  Uros Bizjak  <ubizjak@gmail.com>
9095         PR target/36627
9096         * config/i386/i386.md : Change constraints of HImode and QImode
9097         immediate operands from "i" to "n".  Change SImode "ni" constraint to
9098         "i" and SImode "rmi" constraint to "g".  Remove all constraints
9099         from const0_operand and const1_operand predicated operands.
9100         (i): Change QImode and HImode attribute from "i" to "n".
9101         (*subqi_2): Change HImode operands to QImode.
9102         (*subqi_3): Ditto.
9104 2008-06-25  Olivier Hainque  <hainque@adacore.com>
9106         * Makefile.in (GTFILES_H): Use | instead of ; as separator in
9107         sed substitutions.
9109 2008-06-25  Richard Guenther  <rguenther@suse.de>
9111         * tree-ssa-structalias.c (fieldoff_compare): Make sure to
9112         not overflow the result type.
9114 2008-06-25  Richard Guenther  <rguenther@suse.de>
9116         * tree-vn.c (vn_add): Handle TRUTH_*_EXPR.
9117         (vn_lookup): Likewise.
9119 2008-06-25  Richard Guenther  <rguenther@suse.de>
9121         PR tree-optimization/35518
9122         * fold-const.c (fold_ternary): Strip trivial BIT_FIELD_REFs.
9123         * tree-sra.c (instantiate_element): Use fold_build3 to build
9124         BIT_FIELD_REFs.
9125         (try_instantiate_multiple_fields): Likewise.
9127 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9129         * config/rs6000/rs6000.md: Change all string instruction's clobber to
9130         be early clobbers.
9132 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9134         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Set
9135         use_backchain_to_restore_sp to true
9136         if the offset of the link register save area would go over the 32k - 1
9137         offset limit of the load
9138         instructions.
9140 2008-06-25  Hans-Peter Nilsson  <hp@axis.com>
9142         * doc/invoke.texi (Optimize Options) <fstrict-aliasing>: Add
9143         anchor for the type-punning blurb.  Cross-reference "Structures
9144         unions enumerations and bit-fields implementation".  Provide a
9145         cast-through-pointer example.  Make final sentence self-contained.
9146         * doc/implement-c.texi (Structures unions enumerations and
9147         bit-fields implementation): Cross-reference the type-punning blurb
9148         in the -fstrict-aliasing documentation.
9150 2008-06-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9152         PR middle-end/36594
9153         * builtins.c (expand_builtin_nonlocal_goto): Stabilize the address of
9154         the memory instead of the memory itself for the save area.
9156 2008-06-24  Olivier Hainque  <hainque@adacore.com>
9157             Nicolas Roche  <roche@adacore.com>
9159         * gengtype.c (srcdir_len): size_t instead of int.
9160         (get_file_realbasename): New function.  For F a filename, the real
9161         basename of F, with all the path components stripped.
9162         (get_file_srcdir_relative_path): New function.  For F a filename, the
9163         relative path to F from $(srcdir).
9164         (get_file_basename): Rewrite using get_file_srcdir_relative_path and
9165         get_file_realbasename.  Adjust the head comment.
9166         (get_prefix_langdir_index): New function. For F a filename, return the
9167         lang_dir_names[] relative index of the language directory that is
9168         a prefix in F.
9169         (get_file_langdir): For F a filename, return the name of the language
9170         directory where F is located.
9171         (get_file_gtfilename): New function. The gt- output file name for an
9172         input filename F.
9173         (get_output_file_with_visibility): Replace in-line computations with
9174         uses of get_file_gtfilename and get_prefix_langdir_index.
9175         * Makefile.in (GTFILES_H): Adjust to match what gengtype generates.
9177 2008-06-24  Jakub Jelinek  <jakub@redhat.com>
9179         PR tree-optimization/36504
9180         * tree-ssa-loop-prefetch.c (gather_memory_references_ref): Skip
9181         references without base address.
9183 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
9185         PR middle-end/36584
9186         * calls.c (expand_call): Increase alignment for recursive functions.
9188 2008-06-23  Anatoly Sokolov  <aesok@post.ru>
9190         * config/avr/avr.c (avr_function_value): Add new 'outgoing' argument.
9191         (TARGET_FUNCTION_VALUE): New define.
9192         * config/avr/avr-protos.h (avr_function_value): Remove declaration.
9193         * config/avr/avr.h (FUNCTION_VALUE): Remove.
9195 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
9197         * config/i386/i386.md (fmodxf3): Change sequence of move instructions.
9198         (fmod<mode>3): Ditto.
9199         (remainderxf3): Ditto.
9200         (remainder<mode>3): Ditto.
9202 2008-06-23  Jakub Jelinek  <jakub@redhat.com>
9204         PR target/36533
9205         * emit-rtl.c (set_reg_attrs_from_value): Do nothing if
9206         REG is a hard register.
9208         PR tree-optimization/36508
9209         * tree-ssa-pre.c (compute_antic): Allow num_iterations up to
9210         499, don't check it at all in release compilers.
9212 2008-06-23  Uros Bizjak  <ubizjak@gmail.com>
9214         * config/i386/i386.md (*fop_<mode>_1_i387): Use SSE_FLOAT_MODE_P
9215         together with SSE_TARGET_MATH to disable insn pattern.
9216         (*fop_<MODEF:mode>_2_i387): Ditto.
9217         (*fop_<MODEF:mode>_3_i387): Ditto.
9219 2008-06-22  Andy Hutchinson  <hutchinsonandy@aim.com>
9221         * config/avr/avr.h (SUPPORTS_INIT_PRIORITY): Define.
9223 2008-06-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
9225         PR middle-end/34906
9226         * gimplify.c (gimplify_asm_expr): Check the return code of
9227         parse_output_constraint call, set function return and is_inout
9228         value if it failed.
9230 2008-06-22  Ian Lance Taylor  <iant@google.com>
9232         * c-lex.c (narrowest_unsigned_type): Change itk to int.
9233         (narrowest_signed_type): Likewise.
9234         * c-typeck.c (c_common_type): Change local variable mclass to enum
9235         mode_class, twice.
9236         (parser_build_binary_op): Compare the TREE_CODE_CLASS with
9237         tcc_comparison, not the tree code itself.
9238         * c-common.c (def_fn_type): Pass int, not an enum, to va_arg.
9239         (c_expand_expr): Cast modifier to enum expand_modifier.
9240         * c-common.h (C_RID_CODE): Add casts.
9241         (C_SET_RID_CODE): Define.
9242         * c-parser.c (c_parse_init): Use C_SET_RID_CODE.
9243         (c_lex_one_token): Add cast to avoid warning.
9244         (c_parser_objc_type_name): Rename local typename to type_name.
9245         (check_no_duplicate_clause): Change code parameter to enum
9246         omp_clause_code.
9247         (c_parser_omp_var_list_parens): Change kind parameter to enum
9248         omp_clause_code.
9249         (c_parser_omp_flush): Pass OMP_CLAUSE_ERROR, not 0, to
9250         c_parser_omp_list_var_parens.
9251         (c_parser_omp_threadprivate): Likewise.
9252         * cp/lex.c (init_reswords): Use C_SET_RID_CODE.
9253         * cp/parser.c (cp_lexer_get_preprocessor_token): Likewise.
9254         * c-format.c (NO_FMT): Define.
9255         (printf_length_specs): Use NO_FMT.
9256         (asm_fprintf_length_specs): Likewise.
9257         (gcc_diag_length_specs): Likewise.
9258         (scanf_length_specs): Likewise.
9259         (strfmon_length_specs): Likewise.
9260         (gcc_gfc_length_specs): Likewise.
9261         (printf_flag_specs): Change 0 to STD_C89.
9262         (asm_fprintf_flag_specs): Likewise.
9263         (gcc_diag_flag_specs): Likewise.
9264         (gcc_cxxdiag_flag_specs): Likewise.
9265         (scanf_flag_specs): Likewise.
9266         (strftime_flag_specs): Likewise.
9267         (strfmon_flag_specs): Likewise.
9268         (print_char_table): Likewise.
9269         (asm_fprintf_char_table): Likewise.
9270         (gcc_diag_char_table): Likewise.
9271         (gcc_tdiag_char_table): Likewise.
9272         (gcc_cdiag_char_table): Likewise.
9273         (gcc_cxxdiag_char_table): Likewise.
9274         (gcc_gfc_char_table): Likewise.
9275         (scan_char_table): Likewise.
9276         (time_char_table): Likewis.
9277         (monetary_char_table): Likewise.
9278         * c-format.h (BADLEN): Likewise.
9280 2008-06-21  Ian Lance Taylor  <iant@google.com>
9282         * tree.h (enum tree_code): Include all-tree.def, not tree.def.
9283         Define END_OF_BASE_TREE_CODES around inclusion.
9284         * tree.c (tree_code_type): New global array.
9285         (tree_code_length, tree_code_name): Likewise.
9286         * Makefile.in (TREE_H): Add all-tree.def, c-common.def, and
9287         $(lang_tree_files).
9288         (all-tree.def, s-alltree): New targets.
9289         (gencheck.h, s-gencheck): Remove.
9290         (tree.o): Depend upon all-tree.def.
9291         (build/gencheck.o): Remove gencheck.h dependency.
9292         (mostlyclean): Don't remove gencheck.h.
9293         * c-common.h (enum c_tree_code): Remove.
9294         * c-lang.c (tree_code_type): Remove.
9295         (tree_code_length, tree_code_name): Remove.
9296         * gencheck.c (tree_codes): Include all-tree.def, rather than
9297         tree.def, c-common.def, and gencheck.h.  Undefined DEFTREECODE
9298         after it is used.
9299         * tree-browser.c (tb_tree_codes): Include all-tree.def, rather
9300         than tree.def.
9301         * cp/cp-tree.h (enum cplus_tree_code): Remove.
9302         (operator_name_info): Size to MAX_TREE_CODES.
9303         (assignment_operator_name_info): Likewise.
9304         * cp/cp-lang.c (tree_code_type): Remove.
9305         (tree_code_length, tree_code_name): Remove.
9306         * cp/lex.c (operator_name_info): Size to MAX_TREE_CODES.
9307         (assignment_operator_name_info): Likewise.
9308         * cp/decl.c (grok_op_properties): Change LAST_CPLUS_TREE_CODE to
9309         MAX_TREE_CODES.
9310         * cp/mangle.c (write_expression): Likewise.
9311         * cp/Make-lang.in (CXX_TREE_H): Remove cp/cp-tree.def.
9312         * fortran/f95-lang.c (tree_code_type): Remove.
9313         (tree_code_length, tree_code_name): Remove.
9314         * java/java-tree.h (enum java_tree_code): Remove.
9315         * java/lang.c (tree_code_type): Remove.
9316         (tree_code_length, tree_code_name): Remove.
9317         * java/Make-lang.in (JAVA_TREE_H): Remove java/java-tree.def.
9318         * objc/objc-act.h (enum objc_tree_code): Remove.
9319         * objc/objc-lang.c (tree_code_type): Remove.
9320         (tree_code_length, tree_code_name): Remove.
9321         * objcp/objcp-lang.c (tree_code_type): Remove.
9322         (tree_code_length, tree_code_name): Remove.
9323         * ada/ada-tree.h (enum gnat_tree_code): Remove.
9324         * ada/Make-lang.in (ADA_TREE_H): Remove ada/ada-tre.def.
9325         * ada/misc.c (tree_code_type): Remove.
9326         (tree_code_length, tree_code_name): Remove.
9328 2008-06-21  Bernhard Fischer  <aldot@gcc.gnu.org>
9330         * tree-ssa-pre.c (fini_antic): Bitmap_sets have to be freed before
9331         the grand_bitmap_obstack.
9333 2008-06-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9335         * ggc.h (GGC_RESIZEVAR): New, reorder macros.
9336         * tracer.c (tail_duplicate): Fix for -Wc++-compat.
9337         * tree-affine.c (aff_combination_expand, free_name_expansion): Likewise.
9338         * tree-cfg.c (replace_by_duplicate_decl, replace_ssa_name,
9339         move_stmt_r, new_label_mapper): Likewise.
9340         * tree-complex.c (cvc_lookup): Likewise.
9341         * tree-dfa.c (create_function_ann): Likewise.
9342         * tree-dump.c (dump_register): Likewise.
9343         * tree-if-conv.c (tree_if_conversion, add_to_predicate_list,
9344         find_phi_replacement_condition): Likewise.
9345         * tree-inline.c (copy_phis_for_bb, estimate_num_insns_1,
9346         tree_function_versioning): Likewise.
9347         * tree-into-ssa.c (cmp_dfsnum): Likewise.
9348         * tree-iterator.c (tsi_link_before, tsi_link_after): Likewise.
9349         * tree-nested.c (lookup_field_for_decl, lookup_tramp_for_decl,
9350         get_nonlocal_debug_decl, convert_nonlocal_reference,
9351         convert_nonlocal_omp_clauses, get_local_debug_decl,
9352         convert_local_reference, convert_local_omp_clauses,
9353         convert_nl_goto_reference, convert_nl_goto_receiver,
9354         convert_tramp_reference, convert_call_expr): Likewise.
9355         * tree-outof-ssa.c (contains_tree_r): Likewise.
9356         * tree-parloops.c (reduction_phi, initialize_reductions,
9357         eliminate_local_variables_1, add_field_for_reduction,
9358         add_field_for_name, create_phi_for_local_result,
9359         create_call_for_reduction_1, create_loads_for_reductions,
9360         create_stores_for_reduction, create_loads_and_stores_for_name):
9361         Likewise.
9362         * tree-phinodes.c (allocate_phi_node): Likewise.
9363         * tree-predcom.c (order_drefs, execute_pred_commoning_cbck): Likewise.
9364         * tree-sra.c (sra_elt_hash, sra_elt_eq, lookup_element): Likewise.
9365         * tree-ssa-alias.c (get_mem_sym_stats_for): Likewise.
9366         * tree-ssa-coalesce.c (compare_pairs): Likewise.
9367         * tree-ssa-loop-im.c (mem_ref_in_stmt, memref_hash, memref_eq,
9368         memref_free, gather_mem_refs_stmt, vtoe_hash, vtoe_eq, vtoe_free,
9369         record_vop_access, get_vop_accesses, get_vop_stores): Likewise.
9370         * tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Likewise.
9371         * tree-ssa-sccvn.c (VN_INFO_GET, free_phi, free_reference,
9372         vn_nary_op_insert): Likewise.
9373         * tree-ssa.c (redirect_edge_var_map_add,
9374         redirect_edge_var_map_clear, redirect_edge_var_map_dup): Likewise.
9375         * tree-vectorizer.c (vectorize_loops): Likewise.
9376         * tree.c (make_node_stat, copy_node_stat, build_int_cst_wide,
9377         build_fixed, build_real, make_tree_binfo_stat, make_tree_vec_stat,
9378         tree_cons_stat, build1_stat, build_variant_type_copy,
9379         decl_init_priority_lookup, decl_fini_priority_lookup,
9380         decl_priority_info, decl_restrict_base_lookup,
9381         decl_restrict_base_insert, decl_debug_expr_lookup,
9382         decl_debug_expr_insert, decl_value_expr_lookup,
9383         decl_value_expr_insert, type_hash_eq, type_hash_lookup,
9384         type_hash_add, get_file_function_name, tree_check_failed,
9385         tree_not_check_failed, tree_range_check_failed,
9386         omp_clause_range_check_failed, build_omp_clause,
9387         build_vl_exp_stat): Likewise.
9388         * value-prof.c (gimple_histogram_value,
9389         gimple_duplicate_stmt_histograms): Likewise.
9390         * var-tracking.c (attrs_list_insert, attrs_list_copy,
9391         unshare_variable, variable_union_info_cmp_pos, variable_union,
9392         dataflow_set_different_1, dataflow_set_different_2,
9393         vt_find_locations, variable_was_changed, set_variable_part,
9394         emit_notes_for_differences_1, emit_notes_for_differences_2): Likewise.
9395         * varasm.c (prefix_name, emutls_decl, section_entry_eq,
9396         section_entry_hash, object_block_entry_eq,
9397         object_block_entry_hash, create_block_symbol,
9398         initialize_cold_section_name, default_function_rodata_section,
9399         strip_reg_name, set_user_assembler_name, const_desc_eq,
9400         build_constant_desc, output_constant_def, lookup_constant_def,
9401         const_desc_rtx_hash, const_desc_rtx_eq, const_rtx_hash_1,
9402         create_constant_pool, force_const_mem, compute_reloc_for_rtx_1,
9403         default_internal_label): Likewise.
9404         * varray.c (varray_init, varray_grow): Likewise.
9405         * vec.c (vec_gc_o_reserve_1, vec_heap_o_reserve_1): Likewise.
9407 2008-06-20  Uros Bizjak  <ubizjak@gmail.com>
9409         * config/i386/i386.md (*jcc_fused_1): Handle all valid compare
9410         operators for "test" insn.  Macroize insn using SWI mode macro.
9411         (*jcc_fused_2): Ditto.
9412         (*jcc_fused_3): Macroize insn using SWI mode macro.
9413         (*jcc_fused_4): Ditto.
9415 2008-06-20  Bernhard Fischer  <aldot@gcc.gnu.org>
9417         * tree-ssa-pre.c: Fix typo in comment.
9418         (init_antic, fini_antic): Add explicit funtions for
9419         initializing and deinitializing ANTIC and AVAIL sets.
9420         (create_expression_by_pieces): Fix typo in comment.
9421         Remove redundant set of new_stuff and use NULL_TREE instead of NULL.
9422         (execute_pre): Eventually dump details about ANTIC_IN.
9424 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9426         * collect2.c (main, add_to_list): Fix for -Wc++-compat.
9427         * gcc.c (translate_options, init_spec, store_arg, read_specs,
9428         add_to_obstack, file_at_path, find_a_file, execute,
9429         add_preprocessor_option, add_assembler_option, add_linker_option,
9430         process_command, insert_wrapper, do_option_spec, do_self_spec,
9431         spec_path, do_spec_1, is_directory, main, used_arg,
9432         getenv_spec_function): Likewise.
9433         * tlink.c (symbol_hash_lookup, file_hash_lookup,
9434         demangled_hash_lookup, symbol_push, file_push, frob_extension):
9435         Likewise.
9437 2008-06-19  Kenneth Zadeck <zadeck@naturalbridge.com>
9439         * doc/rtl.texi: Updated subreg section.
9441 2008-06-19  Jakub Jelinek  <jakub@redhat.com>
9443         PR c++/36523
9444         * cgraphunit.c (cgraph_process_new_functions): Don't clear
9445         node->needed and node->reachable.
9446         * cgraphbuild.c (record_reference): Handle OMP_PARALLEL and OMP_TASK.
9447         * omp-low.c (delete_omp_context): Call finalize_task_copyfn.
9448         (expand_task_call): Don't call expand_task_copyfn.
9449         (expand_task_copyfn): Renamed to...
9450         (finalize_task_copyfn): ... this.
9452 2008-06-19  Jan Hubicka  <jh@suse.cz>
9454         * builtins.c (expand_builtin_nonlocal_goto): Stabilize r_sp before
9455         clobbering framepointer.
9457 2008-06-19  Jan Hubicka  <jh@suse.cz>
9459         * tree-optimize.c (execute_early_local_optimizations): Set
9460         cgraph_state only at first invocation.
9462 2008-06-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9464         * system.h (-Wc++-compat): Activate as a warning, no an error.
9466 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
9468         * config/i386/i386.md (*jcc_fused_1): Use ASM_COMMENT_START
9469         instead of "#" in insn asm template.
9470         (*jcc_fused_2): Ditto.
9472 2008-06-19  Uros Bizjak  <ubizjak@gmail.com>
9474         * config/i386/i386.h (ix86_tune_indices)
9475         [X86_TUNE_FUSE_CMP_AND_BRANCH]: New.
9476         (TARGET_FUSE_CMP_AND_BRANCH): New define.
9477         * config/i386/i386.md (*jcc_fused_1): New insn pattern
9478         (*jcc_fused_2): Ditto.
9479         * config/i386/i386.c (ix86_tune_features): Add m_CORE2 to
9480         X86_TUNE_FUSE_CMP_AND_BRANCH targets.
9481         (print operand): Handle 'E' and 'e' code.
9483 2008-06-19  Anatoly Sokolov  <aesok@post.ru>
9485         * config/avr/avr.c (avr_mcu_t): Add attiny13a.
9486         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9487         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9489 2008-06-19  Bernhard Fischer  <aldot@gcc.gnu.org>
9491         * cgraphunit.c (cgraph_finalize_function): Remove redundant setting of
9492         node->decl.
9493         (cgraph_expand_function): Use local copy of decl.
9494         (cgraph_expand_all_functions): Remove redundant initialization of
9495         order_pos.
9496         (cgraph_optimize): Reword internal_error message.
9498 2008-06-19  Chung-Lin Tang  <ctang@marvell.com>
9500         * arm-protos.h (arm_return_in_memory): Remove public
9501         arm_return_in_memory() prototype.
9502         * arm.c (arm_return_in_memory): Add static prototype, add target
9503         hook macro, change definition and comments.
9504         * arm.h (TARGET_RETURN_IN_MEMORY): Remove.
9506 2008-06-19  Ben Elliston  <bje@au.ibm.com>
9508         * dfp.h, dfp.c, config/dfp-bit.h, config/dfp-bit.c, real.h,
9509         real.c: Remove references to IEEE 754R.
9510         * doc/install.texi (Configuration): IEEE 754R -> IEEE 754-2008.
9511         * doc/libgcc.texi (Decimal float library routines): Likewise.
9513 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9515         * targhooks.h (struct gcc_target): New member unwind_word_mode.
9516         (default_unwind_word_mode): Add prototype.
9517         * targhooks.c (default_unwind_word_mode): New function.
9518         (default_eh_return_filter_mode): Return targetm.unwind_word_mode ()
9519         instead of word_mode.
9520         * target-def.h (TARGET_UNWIND_WORD_MODE): New macro.
9521         (TARGET_INITIALIZER): Use it.
9523         * c-common.c (handle_mode_attribute): Support "unwind_word"
9524         mode attribute.
9525         * unwind-generic.h (_Unwind_Word, _Unwind_Sword): Use it.
9527         * except.c (init_eh): Use targetm.unwind_word_mode () instead of
9528         word_mode to access SjLj_Function_Context member "data".
9529         (sjlj_emit_dispatch_table): Likewise.  Also, perform type
9530         conversion from targetm.eh_return_filter_mode () to
9531         targetm.unwind_word_mode () if they differ.
9533         * builtin-types.def (BT_UNWINDWORD): New primitive type.
9534         (BT_FN_UNWINDWORD_PTR): New function type.
9535         (BT_FN_WORD_PTR): Remove.
9536         * builtins.def (BUILT_IN_EXTEND_POINTER): Use BT_FN_UNWINDWORD_PTR.
9537         * except.c (expand_builtin_extend_pointer): Convert pointer to
9538         targetm.unwind_word_mode () instead of word_mode.
9540         * config/spu/spu-protos.h (spu_eh_return_filter_mode): Remove.
9541         * config/spu/spu.c (spu_eh_return_filter_mode): Remove.
9542         (spu_unwind_word_mode): New function.
9543         (TARGET_EH_RETURN_FILTER_MODE): Do not define.
9544         (TARGET_UNWIND_WORD_MODE): Define.
9545         * config/spu/t-spu-elf (TARGET_LIBGCC2_CFLAGS): Remove -D__word__=SI.
9547 2008-06-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
9549         * config/spu/spu.c (reg_align): Remove.
9550         (regno_aligned_for_load): Also accept ARG_POINTER_REGNUM.
9551         (spu_split_load): Use regno_aligned_for_load instead of reg_align.
9552         (spu_split_store): Likewise.
9554 2008-06-18  Bernhard Fischer  <aldot@gcc.gnu.org>
9556         * gcc/tree-vn.c: Fix typo in comment.
9558 2008-06-18  Jan Hubicka  <jh@suse.cz>
9560         * cgraphunit.c (cgraph_optimize): Output debug info when doing
9561         toplevel reorder too.
9563 2008-06-18  Jan Hubicka  <jh@suse.cz>
9565         * c-opts.c (c_common_post_options): PCH is not compatible with
9566         no-unit-at-a-time.
9567         * opts.c (handle_options): Enable unit-at-a-time at O0 along with
9568         -fno-toplevel-reorder by default now.
9570 2008-06-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9572         PR documentation/30739
9573         * doc/install.texi (Prerequisites): Document dependency on awk.
9575 2008-06-18  Uros Bizjak  <ubizjak@gmail.com>
9576             Ian Lance Taylor  <iant@google.com>
9578         PR rtl-optimization/35604
9579         * jump.c (redirect_exp_1): Skip the condition of an IF_THEN_ELSE. We
9580         only want to change jump destinations, not eventual label comparisons.
9582 2008-06-16  Jan Hubicka  <jh@suse.cz>
9584         * cgraphunit.c (cgraph_expand_pending_functions): Give up at
9585         syntax errors.
9586         (cgraph_analyze_function): Likewise.
9588 2008-06-16  Jan Hubicka  <jh@suse.cz>
9590         * cgraph.h (cgraph_mark_if_needed): New function.
9591         * cgraphunit.c (cgraph_mark_if_needed): New function.
9592         * c-decl.c (duplicate_decl): Use it.
9594 2008-06-16  Jan Hubicka  <jh@suse.cz>
9596         * cgraph.c (cgraph_add_new_function): When in expansion state, do
9597         lowering.
9599 2008-06-16  Jan Hubicka  <jh@suse.cz>
9601         * tree-outof-ssa.c (pass_out_of_ssa): Do not depend on PROP_alias.
9603 2008-06-16  Daniel Jacobowitz  <dan@codesourcery.com>
9604             Kazu Hirata  <kazu@codesourcery.com>
9605             Maxim Kuvyrkov  <maxim@codesourcery.com
9607         * config.gcc (mips64el-st-linux-gnu): Use mips/st.h and mips/t-st.
9608         * config.host: Use driver-native.o and mips/x-native for mips*-linux*.
9609         * config/mips/linux.h (host_detect_local_cpu): Declare, add to
9610         EXTRA_SPEC_FUNCTIONS.
9611         (MARCH_MTUNE_NATIVE_SPECS, BASE_DRIVER_SELF_SPECS): New macros.
9612         (DRIVER_SELF_SPECS): Adjust.
9613         * config/mips/linux64.h (DRIVER_SELF_SPECS): Update.
9614         * config/mips/st.h, config/mips/t-st: New.
9615         * config/mips/driver-native.c, config/mips/x-native: New.
9616         * doc/invoke.texi (MIPS): Document 'native' value for -march and
9617         -mtune options.
9619 2008-06-18  Maxim Kuvyrkov  <maxim@codesourcery.com>
9621         * config/mips/mips.h (ISA_HAS_CONDMOVE): Slice ISA_HAS_FP_CONDMOVE
9622         from it.
9623         (ISA_HAS_FP_CONDMOVE): New macro.
9624         (ISA_HAS_FP_MADD4_MSUB4, ISA_HAS_FP_MADD3_MSUB3): New macros.
9625         (ISA_HAS_NMADD_NMSUB): Rename to ISA_HAS_NMADD4_NMSUB4.
9626         (ISA_HAS_NMADD3_NMSUB3): New macro.
9627         * config/mips/mips.c (mips_rtx_costs): Update.
9628         * config/mips/mips.md (MOVECC): Don't use FP conditional moves when
9629         compiling for ST Loongson 2E/2F.
9630         (madd<mode>): Rename to madd4<mode>.  Update.
9631         (madd3<mode>): New pattern.
9632         (msub<mode>): Rename to msub4<mode>.  Update.
9633         (msub3<mode>): New pattern.
9634         (nmadd<mode>): Rename to nmadd4<mode>.  Update.
9635         (nmadd3<mode>): New pattern.
9636         (nmadd<mode>_fastmath): Rename to nmadd4<mode>_fastmath.  Update.
9637         (nmadd3<mode>_fastmath): New pattern.
9638         (nmsub<mode>): Rename to nmsub4<mode>.  Update.
9639         (nmsub3<mode>): New pattern.
9640         (nmsub<mode>_fastmath): Rename to nmsub4<mode>_fastmath.  Update.
9641         (nmsub3<mode>_fastmath): New pattern.
9642         (mov<SCALARF:mode>_on_<MOVECC:mode>, mov<mode>cc): Update.
9644 2008-06-18  Steven Bosscher  <steven@gcc.gnu.org>
9646         * df.h (struct df_ref): Replace 'insn' field with 'insn_info' field.
9647         (DF_REF_INSN_INFO): New.
9648         (DF_REF_INSN, DF_REF_INSN_UID): Rewrite macros using DF_REF_INSN_INFO.
9649         (DF_REF_IS_ARTIFICIAL): Artificial refs are now identified as refs
9650         with a NULL DF_REF_INSN_INFO.
9651         (DF_INSN_INFO_GET, DF_INSN_INFO_SET): Renamed from DF_INSN_GET and
9652         DF_INSN_SET.
9653         (DF_INSN_INFO_LUID, DF_INSN_INFO_DEFS, DF_INSN_INFO_USES,
9654         DF_INSN_INFO_EQ_USES): New.
9655         (DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES, DF_INSN_EQ_USES,
9656         DF_INSN_UID_LUID, DF_INSN_UID_DEFS, DF_INSN_UID_USES,
9657         DF_INSN_UID_EQ_USES): Rewrite using DF_INSN_INFO_* macros.
9658         * df-core.c: Update comment for above changes.
9659         (df_insn_debug_regno): Use DF_INSN_INFO_GET instead of INSN_UID and
9660         DF_INSN_UID_* macros.
9661         (df_ref_debug): Check for NULL DF_REF_INSN_INFO.
9662         * df-scan.c (df_ref_record): Take a df_insn_info instead of an
9663         insn rtx.  Update all callers.
9664         (df_def_record_1, df_defs_record, df_uses_record, df_get_call_refs,
9665         df_ref_create_structure, df_insn_refs_collect): Likewise.
9666         (df_ref_equal_p): Compare DF_REF_INSN_INFO pointers for the refs.
9667         * df-problems.c (df_chain_dump): Test for non-NULL DF_REF_INSN_INFO.
9668         (df_live_bb_local_compute): Retrieve DF_INSN_INFO, use DF_INSN_INFO_*
9669         macros to access the insn refs.
9670         (df_chain_top_dump, df_chain_bottom_dump, df_byte_lr_alloc): Likewise.
9671         * fwprop.c (use_killed_between): Use DF_REF_INSN accessor macro.
9672         (all_uses_available): Retrieve DF_INSN_INFO for def_insn, and use it
9673         for accessing the refs.
9674         (try_fwprop_subst): Likewise.
9675         * ddg.c (add_cross_iteration_register_deps): Use DF_REF_INSN macro.
9676         * web.c (union_defs): Retrieve DF_INSN_INFO for def_insn, and use it
9677         for accessing the refs.
9678         * loop-invariant.c (invariant_for_use): Use DF_REF_BB macro.
9679         (check_dependencies): Use DF_INSN_INFO_GET, use DF_INSN_INFO_* macros
9680         to look at the insn refs.
9681         (record_uses): Likewise.
9682         * dce.c (deletable_insn_p): Don't tolerate artificial DEFs in this
9683         function anymore.
9684         (mark_artificial_uses): Don't mark_insn for artificial refs.
9685         (mark_reg_rependencies): Likewise.
9687         * doc/rtl.texi: Remove documentation of ADDRESSOF.
9689 2008-06-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9691         * configure: Regenerate.
9693 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9695         * config/avr/avr.c (avr_mcu_t): Remove atmega32hvb.
9696         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9697         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9699 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9701         * config/avr/avr.c (avr_mcu_t): Add attiny167.
9702         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9703         * gcc/config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9705 2008-06-17  Eric B. Weddington  <eric.weddington@atmel.com>
9707         * config/avr/avr.c (avr_mcu_t): Add atmega32u4.
9708         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9709         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9711 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
9713         * tree-ssa-sccvn.c: Fix format of comments.
9715 2008-06-17  Bernhard Fischer  <aldot@gcc.gnu.org>
9717         * cgraph.c: Remove unneeded forward declarations of eq_node()
9718         and hash_node().
9720 2008-06-17  Steven Bosscher  <steven@gcc.gnu.org>
9722         * see.c (see_analyse_one_def): Do not look for REG_LIBCALL and
9723         REG_RETVAL notes.
9724         (see_update_relevancy): Likewise.
9725         * fwprop.c (try_fwprop_subst): Likewise.
9726         * rtlanal.c (noop_move_p): Likewise.
9727         * builtins.c (expand_buitlin_mathfn): Don't try to add REG_EQUAL
9728         notes to non-existing libcall blocks.
9729         * cse.c (cse_insn): Change prototype.  Don't update libcall notes.
9730         Remove orig_set.
9731         (cse_extended_basic_block): Don't track libcall and no-conflict notes.
9732         (dead_libcall_p): Remove.
9733         (delete_trivially_dead_insns): Don't use it.
9734         * web.c (union_defs): Remove comment about keeping nops.
9735         * gcse.c (hash_scan_insn): Don't take libcall pointers.
9736         (compute_hash_table_work): Don't track libcall notes.
9737         (do_local_cprop): Don't take libcall pointers.  Don't update
9738         libcall notes.
9739         (adjust_libcall_notes): Deleted.
9740         (local_cprop_pass): Remove stack for nested libcalls (which shouldn't
9741         ever have existed in the first place).
9742         (replace_store_insn): Don't try to remove libcall notes.
9743         * lower-subreg.c (move_libcall_note, move_retval_note): Deleted.
9744         (resolve_reg_notes): Don't call them.
9745         (resolve_simple_move): Likewise.
9746         (decompose_multiword_subregs): Remove block handling REG_RETVAL notes.
9747         Don't remove REG_RETVAL notes.
9748         * emit-rtl.c (try_split): Don't update libcall notes.
9749         (emit_copy_of_insn_after): Dito.
9750         * cselib.c (cselib_current_insn_in_libcall): Remove.
9751         (cselib_process_insn): Don't set/clear it.
9752         (new_elt_loc_list): Don't record it.
9753         (cselib_init): Don't initialize it.
9754         * cselib.c (struct elt_loc_list): Remove in_libcall field.
9755         * loop-invariant.c (find_invariant_insn): Don't look for libcall
9756         notes.
9757         * sched-deps.c (sched_analyze_insn): Don't group libcall blocks.
9758         (sched_analyze): Don't set up deps->libcall_block_tail_insn.
9759         (init_deps): Don't initialize it.
9760         * sched-int.h (struct deps): Rremove libcall_block_tail_insn field.
9761         * combine.c (delete_noop_moves): Don't update libcall notes.
9762         (can_combine_p): Remove now pointless #if 0 block.
9763         (try_combine): Remove another obsolete #if 0 block.
9764         (distribute_notes): Don't distribute libcall notes.
9765         * reg-notes.def (REG_LIBCALL, REG_RETVAL): Remove.
9766         * dce.c (libcall_dead_p): Remove.
9767         (delete_unmarked_insns): Don't handle libcall blocks.
9768         (preserve_libcall_for_dce): Remove.
9769         (prescan_insns_for_dce): Don't special-case libcall block insns.
9770         * reload1 (reload): Don't handle libcall notes.
9771         * doc/rtl.texi (REG_LIBCALL, REG_RETVAL, REG_LIBCALL_ID): Remove
9772         documentation.
9774 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
9776         * config/avr/avr.c (avr_mcu_t): Add atmega32c1.
9777         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9778         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9780 2008-06-16  Eric B. Weddington  <eric.weddington@atmel.com>
9782         * config/avr/avr.c (avr_mcu_t): Add atmega32m1.
9783         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
9784         * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
9786 2008-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9788         * Makefile.in (FLAGS_TO_PASS): Add $(datarootdir).
9790 2008-06-16  Ira Rosen  <irar@il.ibm.com>
9792         PR tree-optimization/36493
9793         * tree-vect-transform.c (vect_create_data_ref_ptr): Remove TYPE from
9794         the arguments list. Use VECTYPE to create vector pointer.
9795         (vectorizable_store): Fail if accesses through a pointer to vectype
9796         do not alias the original memory reference operands.
9797         Call vect_create_data_ref_ptr without the removed argument.
9798         (vectorizable_load): Likewise.
9799         (vect_setup_realignment): Call vect_create_data_ref_ptr without the
9800         removed argument.
9802 2008-06-015  Andy Hutchinson  <hutchinsonandy@aim.com>
9804         PR target/36336
9805         * config/avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Add check for
9806         reg_equiv_constant.
9808 2008-06-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
9810         * config/mips/loongson2ef.md: New file.
9811         * config/mips/mips.md (UNSPEC_LOONGSON_ALU1_TURN_ENABLED_INSN)
9812         (UNSPEC_LOONGSON_ALU2_TURN_ENABLED_INSN)
9813         (UNSPEC_LOONGSON_FALU1_TURN_ENABLED_INSN)
9814         (UNSPEC_LOONGSON_FALU2_TURN_ENABLED_INSN): New constants.
9815         (define_attr "cpu"): Rename loongson2e and loongson2f to loongson_2e
9816         and loongson_2f.
9817         (loongson2ef.md): New include.
9818         * config/mips/loongson.md (vec_pack_ssat_<mode>, vec_pack_usat_<mode>)
9819         (add<mode>3, paddd, ssadd<mode>3, usadd<mode>3)
9820         (loongson_and_not_<mode>, loongson_average_<mode>, loongson_eq_<mode>)
9821         (loongson_gt_<mode>, loongson_extract_halfword)
9822         (loongson_insert_halfword_0, loongson_insert_halfword_2)
9823         (loongson_insert_halfword_3, loongson_mult_add, smax<mode>3)
9824         (umax<mode>3, smin<mode>3, umin<mode>3, loongson_move_byte_mask)
9825         (umul<mode>3_highpart, smul<mode>3_highpart, loongson_smul_lowpart)
9826         (loongson_umul_word, loongson_pasubub, reduc_uplus_<mode>)
9827         (loongson_psadbh, loongson_pshufh, loongson_psll<mode>)
9828         (loongson_psra<mode>, loongson_psrl<mode>, sub<mode>3, psubd)
9829         (sssub<mode>3, ussub<mode>3, vec_interleave_high<mode>)
9830         (vec_interleave_low<mode>): Define type attribute.
9831         * config/mips/mips.c (mips_ls2): New static variable.
9832         (mips_issue_rate): Update to handle tuning for Loongson 2E/2F.
9833         (mips_ls2_init_dfa_post_cycle_insn, mips_init_dfa_post_cycle_insn)
9834         (sched_ls2_dfa_post_advance_cycle, mips_dfa_post_advance_cycle):
9835         Implement target scheduling hooks.
9836         (mips_multipass_dfa_lookahead): Update to handle tuning for
9837         Loongson 2E/2F.
9838         (mips_sched_init): Initialize data for Loongson scheduling.
9839         (mips_ls2_variable_issue): New static function.
9840         (mips_variable_issue): Update to handle tuning for Loongson 2E/2F.
9841         Add sanity check.
9842         (TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN)
9843         (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Override target hooks.
9844         * config/mips/mips.h (TUNE_LOONGSON_2EF): New macros.
9845         (ISA_HAS_XFER_DELAY, ISA_HAS_FCMP_DELAY, ISA_HAS_HILO_INTERLOCKS):
9846         Handle ST Loongson 2E/2F cores.
9847         (CPU_UNITS_QUERY): Define macro to enable querying of DFA units.
9849 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9851         * omp-low.c (extract_omp_for_data): Fix comment typo.
9852         * c.opt: Fix typo.
9854 2008-06-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9856         * doc/sourcebuild.texi (Config Fragments): Remove obsolete
9857         FIXME note about gcc/config.guess.
9858         * doc/options.texi (Option file format): Remove non-ASCII bytes.
9859         * doc/cpp.texi: Expand TABs, drop indentation outside examples.
9860         * doc/cppopts.texi: Likewise.
9861         * doc/extend.texi: Likewise.
9862         * doc/gcc.texi: Likewise.
9863         * doc/gccint.texi: Likewise.
9864         * doc/gcov.texi: Likewise.
9865         * doc/gty.texi: Likewise.
9866         * doc/hostconfig.texi: Likewise.
9867         * doc/install.texi: Likewise.
9868         * doc/invoke.texi: Likewise.
9869         * doc/loop.texi: Likewise.
9870         * doc/makefile.texi: Likewise.
9871         * doc/md.texi: Likewise.
9872         * doc/passes.texi: Likewise.
9873         * doc/tm.texi: Likewise.
9874         * doc/tree-ssa.texi: Likewise.
9875         * doc/trouble.texi: Likewise.
9877 2008-06-15  Mark Shinwell  <shinwell@codesourcery.com>
9878             Nathan Sidwell  <nathan@codesourcery.com>
9879             Maxim Kuvyrkov  <maxim@codesourcery.com>
9880             Richard Sandiford  <rdsandiford@googlemail.com>
9882         * config/mips/mips-modes.def: Add V8QI, V4HI and V2SI modes.
9883         * config/mips/mips-protos.h (mips_expand_vector_init): New.
9884         * config/mips/mips-ftypes.def: Add function types for Loongson-2E/2F
9885         builtins.
9886         * config/mips/mips.c (mips_split_doubleword_move): Handle new modes.
9887         (mips_hard_regno_mode_ok_p): Allow 64-bit vector modes for Loongson.
9888         (mips_vector_mode_supported_p): Add V2SImode, V4HImode and
9889         V8QImode cases.
9890         (LOONGSON_BUILTIN, LOONGSON_BUILTIN_ALIAS): New.
9891         (CODE_FOR_loongson_packsswh, CODE_FOR_loongson_packsshb,
9892         (CODE_FOR_loongson_packushb, CODE_FOR_loongson_paddw,
9893         (CODE_FOR_loongson_paddh, CODE_FOR_loongson_paddb,
9894         (CODE_FOR_loongson_paddsh, CODE_FOR_loongson_paddsb)
9895         (CODE_FOR_loongson_paddush, CODE_FOR_loongson_paddusb)
9896         (CODE_FOR_loongson_pmaxsh, CODE_FOR_loongson_pmaxub)
9897         (CODE_FOR_loongson_pminsh, CODE_FOR_loongson_pminub)
9898         (CODE_FOR_loongson_pmulhuh, CODE_FOR_loongson_pmulhh)
9899         (CODE_FOR_loongson_biadd, CODE_FOR_loongson_psubw)
9900         (CODE_FOR_loongson_psubh, CODE_FOR_loongson_psubb)
9901         (CODE_FOR_loongson_psubsh, CODE_FOR_loongson_psubsb)
9902         (CODE_FOR_loongson_psubush, CODE_FOR_loongson_psubusb)
9903         (CODE_FOR_loongson_punpckhbh, CODE_FOR_loongson_punpckhhw)
9904         (CODE_FOR_loongson_punpckhwd, CODE_FOR_loongson_punpcklbh)
9905         (CODE_FOR_loongson_punpcklhw, CODE_FOR_loongson_punpcklwd): New.
9906         (mips_builtins): Add Loongson builtins.
9907         (mips_loongson_2ef_bdesc): New.
9908         (mips_bdesc_arrays): Add mips_loongson_2ef_bdesc.
9909         (mips_builtin_vector_type): Handle unsigned versions of vector modes.
9910         (MIPS_ATYPE_UQI, MIPS_ATYPE_UDI, MIPS_ATYPE_V2SI, MIPS_ATYPE_UV2SI)
9911         (MIPS_ATYPE_V4HI, MIPS_ATYPE_UV4HI, MIPS_ATYPE_V8QI, MIPS_ATYPE_UV8QI):
9912         New.
9913         (mips_expand_vector_init): New.
9914         * config/mips/mips.h (HAVE_LOONGSON_VECTOR_MODES): New.
9915         (TARGET_CPU_CPP_BUILTINS): Define __mips_loongson_vector_rev
9916         if appropriate.
9917         * config/mips/mips.md: Add unspec numbers for Loongson
9918         builtins.  Include loongson.md.
9919         (MOVE64): Include Loongson vector modes.
9920         (SPLITF): Include Loongson vector modes.
9921         (HALFMODE): Handle Loongson vector modes.
9922         * config/mips/loongson.md: New.
9923         * config/mips/loongson.h: New.
9924         * config.gcc: Add loongson.h header for mips*-*-* targets.
9925         * doc/extend.texi (MIPS Loongson Built-in Functions): New.
9927 2008-06-14  Joseph Myers  <joseph@codesourcery.com>
9929         * config.gcc (arc-*-elf*, avr-*-*, fr30-*-elf, frv-*-elf,
9930         h8300-*-elf*, h8300-*-*, i[34567]86-*-elf*, x86_64-*-elf*,
9931         i[34567]86-*-aout*, i[34567]86-*-coff*, ia64*-*-elf*,
9932         iq2000*-*-elf*, m32r-*-elf*, m32rle-*-elf*, m32r-*-linux*,
9933         m32rle-*-linux*, m68hc11-*-*|m6811-*-*, m68hc12-*-*|m6812-*-*,
9934         m68k-*-coff*, mcore-*-elf, mcore-*-pe*, mipsisa64sr71k-*-elf*,
9935         mipsisa64sb1-*-elf* | mipsisa64sb1el-*-elf*, mips-*-elf* |
9936         mipsel-*-elf*, mips64-*-elf* | mips64el-*-elf*, mips64vr-*-elf* |
9937         mips64vrel-*-elf*, mips64orion-*-elf* | mips64orionel-*-elf*,
9938         mipstx39-*-elf* | mipstx39el-*-elf*, mn10300-*-*, pdp11-*-,
9939         powerpc-*-elf*, powerpcle-*-elf*, sh-*-elf* | sh[12346l]*-*-elf* |
9940         sh-*-symbianelf* | sh[12346l]*-*-symbianelf* | sh-*-linux* |
9941         sh[2346lbe]*-*-linux* | sh-*-netbsdelf* | shl*-*-netbsdelf* |
9942         sh5-*-netbsd* | sh5l*-*-netbsd* | sh64-*-netbsd* |
9943         sh64l*-*-netbsd*, sh-*-*, sparc-*-elf*, sparc64-*-elf*,
9944         v850e1-*-*, v850e-*-*, v850-*-*, xstormy16-*-elf, m32c-*-elf*):
9945         Remove use_fixproto=yes.
9946         (ia64*-*-hpux*): Remove comment about using fixproto.
9947         (m68k-*-uclinuxoldabi*, m68k-*-uclinux*): Remove use_fixproto=no.
9949 2008-06-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9951         * configure.ac: Update gthr-default.h lazily, to avoid unneeded
9952         library rebuilds.
9953         * configure: Regenerate.
9955 2008-06-13  Eric Botcazou  <ebotcazou@adacore.com>
9957         PR middle-end/36520
9958         * builtins.c (get_memory_rtx): Test for the presence of DECL_SIZE_UNIT
9959         before evaluating it.
9961 2008-06-13  Jakub Jelinek  <jakub@redhat.com>
9963         PR c/36507
9964         * c-decl.c (merge_decls): Don't clear DECL_EXTERNAL for
9965         nested inline functions.
9966         (start_decl, start_function): Don't invert DECL_EXTERNAL
9967         for nested inline functions.
9969 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
9971         * config/mips/mips.md: Remove TARGET_DEBUG_D_MODE conditions from
9972         splits that must be made for correctness.
9974 2008-06-13  Richard Sandiford  <rdsandiford@googlemail.com>
9976         * config/mips/mips.c (BUILTIN_AVAIL_NON_MIPS16): New macro.
9977         (AVAIL_NON_MIPS16): Likewise.
9978         (mips_builtin_description): Replace target_flags with a predicate.
9979         (paired_single, sb1_paired_single, mips3d, dsp, dspr2, dsp_32)
9980         (dspr2_32): New availability predicates.
9981         (MIPS_BUILTIN): New macro.
9982         (DIRECT_BUILTIN, CMP_SCALAR_BUILTINS, CMP_PS_BUILTINS)
9983         (CMP_4S_BUILTINS, MOVTF_BUILTINS, CMP_BUILTINS)
9984         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): Use it.
9985         Replace the TARGET_FLAGS parameters with AVAIL parameters.
9986         (mips_ps_bdesc, mips_sb1_bdesc, mips_dsp_bdesc)
9987         (mips_dsp_32only_bdesc): Merge into...
9988         (mips_builtins): ...this new array.
9989         (mips_bdesc_map, mips_bdesc_arrays): Delete.
9990         (mips_init_builtins): Update after above changes.
9991         (mips_expand_builtin_1): Merge into...
9992         (mips_expand_builtin): ...here and update after above changes.
9994 2008-06-12  Paul Brook  <paul@codesourcery.com>
9996         * longlong.h (__arm__): Define count_leading_zeros.
9997         * config/arm/lib1funcs.asm (xxh, xxl, yyh, yyl): Define.
9998         (clzsi2, clzdi2): New functions.
9999         * config/arm/bpabi-v6m.S (xxh, xxl, yyh, yyl): Remove.
10000         * config/arm/bpabi.S (xxh, xxl, yyh, yyl): Remove.
10001         * config/arm/t-strongarm-elf (LIB1ASMFUNCS): Ditto.
10002         * config/arm/t-vxworks (LIB1ASMFUNCS): Ditto.
10003         * config/arm/t-pe (LIB1ASMFUNCS): Ditto.
10004         * config/arm/t-arm-elf (LIB1ASMFUNCS): Ditto.
10005         * config/arm/t-arm-coff (LIB1ASMFUNCS): Ditto.
10006         * config/arm/t-linux (LIB1ASMFUNCS): Ditto.
10007         * config/arm/t-symbian (LIB1ASMFUNCS): Ditto.
10008         * config/arm/t-wince-pe (LIB1ASMFUNCS): Ditto.
10010 2008-06-12  Kazu Hirata  <kazu@codesourcery.com>
10012         * config/m68k/m68k.c (m68k_tune_flags): New.
10013         (override_options): Compute m68k_tune_flags.
10014         (MULL_COST, MULW_COST): Update for various variants of CFV2.
10015         * config/m68k/m68k.h (TUNE_MAC, TUNE_EMAC): New.
10017 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
10019         PR middle-end/36506
10020         * omp-low.c (expand_omp_sections): Initialize l2 to avoid bogus warning.
10022 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
10024         * tree-inline.c (copy_body_r): Copy TREE_SIDE_EFFECTS along with
10025         TREE_THIS_VOLATILE on INDIRECT_REF nodes.
10027 2008-06-12  Eric Botcazou  <ebotcazou@adacore.com>
10029         * expr.c (store_field): Do a block copy from BLKmode to BLKmode-like.
10030         (get_inner_reference): Use BLKmode for byte-aligned BLKmode bitfields.
10032 2008-06-12  Jakub Jelinek  <jakub@redhat.com>
10034         PR middle-end/36506
10035         * omp-low.c (expand_omp_sections): Handle #pragma omp sections with
10036         reductions.
10038 2008-06-12  Richard Guenther  <rguenther@suse.de>
10040         PR tree-optimization/36345
10041         * tree-flow.h (struct ptr_info_def): Align escape_mask,
10042         add memory_tag_needed flag.
10043         (may_alias_p): Declare.
10044         * tree-ssa-alias.c (may_alias_p): Export.
10045         (set_initial_properties): Use memory_tag_needed flag.
10046         (update_reference_counts): Likewise.
10047         (reset_alias_info): Reset memory_tag_needed flag.
10048         (create_name_tags): Check memory_tag_needed flag.
10049         (dump_points_to_info_for): Dump it.
10050         * tree-ssa-structalias.c (struct variable_info): Remove
10051         directly_dereferenced flag.
10052         (new_var_info): Do not initialize it.
10053         (process_constraint_1): Do not set it.
10054         (update_alias_info): Set is_dereferenced flag.
10055         (set_uids_in_ptset): Use may_alias_p.
10056         (set_used_smts): Check memory_tag_needed flag.
10057         (find_what_p_points_to): Likewise.  Pass is_dereferenced flag.
10058         * tree-ssa-alias.c (verify_flow_sensitive_alias_info): Check
10059         memory_tag_needed flag.
10060         * tree-ssa-alias-warnings.c (dsa_named_for): Try to recover
10061         from broken design.
10063 2008-06-12  Kai Tietz  <kai.tietz@onevision.com>
10065         * config/i386/i386.c (ix86_compute_frame_layout): Disable
10066         red zone for w64 abi.
10067         (ix86_expand_prologue): Likewise.
10068         (ix86_force_to_memory): Likewise.
10069         (ix86_free_from_memory): Likewise.
10071 2008-06-11  Edmar Wienskoski  <edmar@freescale.com>
10073         PR target/36425
10074         * config/rs6000/rs6000.c (rs6000_override_options): Set
10075         rs6000_isel conditionally to the absence of comand line override.
10076         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
10077         Remove duplicate rs6000_isel setting.
10078         * config/rs6000/eabispe.h: Ditto.
10080 2008-06-11  Richard Guenther  <rguenther@suse.de>
10082         * alias.c (get_alias_set): Use the element alias-set for arrays.
10083         (record_component_aliases): For arrays and vectors do nothing.
10084         * c-common.c (strict_aliasing_warning): Handle the cases
10085         of alias set zero explicitly.
10086         * Makefile.in (dfp.o-warn): Add -Wno-error.
10088 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
10090         * config.gcc (all_defaults): Add arch_32 arch_64 cpu_32 cpu_64
10091         tune_32 tune_64.
10092         (i[34567]86-*-* | x86_64-*-*): Add arch_32 arch_64 cpu_32 cpu_64
10093         tune_32 tune_64 to supported_defaults.  Allow values not
10094         supporting 64-bit mode for arch_32, cpu_32 and tune_32 for
10095         x86_64.  Do not override cpu_32 or cpu_64 values from target name.
10096         (i[34567]86-*-linux*, i[34567]86-*-solaris2.1[0-9]*): Only default
10097         with_cpu_64 to generic for 64-bit-supporting configurations, not
10098         with_cpu.  Remove FIXMEs.
10099         * doc/install.texi (--with-cpu-32, --with-cpu-64, --with-arch-32,
10100         --with-arch-64, --with-tune-32, --with-tune-64): Document.
10101         * config/i386/i386.h (OPT_ARCH32, OPT_ARCH64): Define.
10102         (OPTION_DEFAULT_SPECS): Add tune_32, tune_64, cpu_32, cpu_64,
10103         arch_32 and arch_64.
10105 2008-06-11  Eric Botcazou  <ebotcazou@adacore.com>
10106             Olivier Hainque  <hainque@adacore.com>
10108         * builtins.c (get_memory_rtx): Accept byte-addressable bitfields.
10109         Use DECL_SIZE_UNIT to retrieve the size of the field.
10111 2008-06-11  Joseph Myers  <joseph@codesourcery.com>
10113         * config/arm/arm.c (arm_init_neon_builtins): Move initialization
10114         with function calls after declarations.  Lay out
10115         neon_float_type_node before further use.
10117 2008-06-11  Richard Guenther  <rguenther@suse.de>
10119         * tree-flow.h (may_point_to_global_var): Declare.
10120         * tree-ssa-alias.c (may_point_to_global_var): New function.
10121         * tree-ssa-sink.c (is_hidden_global_store): Use it.
10123 2008-06-10  Kazu Hirata  <kazu@codesourcery.com>
10125         * configure.ac: Teach that fido supports .debug_line.
10126         * configure: Regenerate.
10128 2008-06-10  Tom Tromey  <tromey@redhat.com>
10130         * c-lex.c (fe_file_change): Pass SOURCE_LINE to start_source_file
10131         debug hook.
10133 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
10135         * dfp.c (WORDS_BIGENDIAN): Define to 0 if not defined.
10136         (encode_decimal64, decode_decimal64, encode_decimal128,
10137         decode_decimal128): Reverse order of 32-bit parts of value if host
10138         and target endianness differ.
10140 2008-06-10  Vinodha Ramasamy  <vinodha@google.com>
10142         * value_prob.c (tree_divmod_fixed_value_transform): Use gcov_type.
10143         Avoid division by 0.
10144         (tree_mod_pow2_value_transform): Likewise.
10145         (tree_ic_transform): Likewise.
10146         (tree_stringops_transform): Likewise.
10147         (tree_mod_subtract_transform): Likewise.
10148         * tree-inline-c (copy_bb): Corrected int type to gcov_type.
10149         (copy_edges_for_bb): Likewise.
10150         (initialize_cfun): Likewise.
10152 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
10154         * config/i386/i386.md (*btdi_rex64): Change operand 1 predicate to
10155         nonmemory_operand. Add "N" operand constraint.
10156         (*btsi): Ditto.
10157         (*jcc_btdi_mask_rex64): New instruction and split pattern.
10158         (*jcc_btsi_mask): Ditto.
10159         (*jcc_btsi_mask_1): Ditto.
10161 2008-06-10  Joseph Myers  <joseph@codesourcery.com>
10163         * config/rs6000/rs6000.c (build_opaque_vector_type): Set
10164         TYPE_CANONICAL for copied element type.
10166 2008-06-10  Uros Bizjak  <ubizjak@gmail.com>
10168         PR target/36473
10169         * config/i386/i386.c (ix86_tune_features) [TUNE_USE_BT]:
10170         Add m_CORE2 and m_GENERIC.
10171         * config/i386/predicates.md (bt_comparison_operator): New predicate.
10172         * config/i386/i386.md (*btdi_rex64): New instruction pattern.
10173         (*btsi): Ditto.
10174         (*jcc_btdi_rex64): New instruction and split pattern.
10175         (*jcc_btsi): Ditto.
10176         (*jcc_btsi_1): Ditto.
10177         (*btsq): Fix Intel asm dialect operand order.
10178         (*btrq): Ditto.
10179         (*btcq): Ditto.
10181 2008-06-09  Andy Hutchinson  <hutchinsonandy@aim.com>
10183         PR middle-end/36447
10184         * simplify-rtx.c (simplify_subreg): Add check for shift count
10185         greater than size.
10187 2008-06-09  Richard Sandiford  <rdsandiford@googlemail.com>
10189         * doc/md.texi: Synchronize with later constraints.md change.
10190         * longlong.h (umul_ppmm): Replace the MIPS asm implementation
10191         with a C implementation.
10192         * config/mips/mips.c (mips_legitimize_move): Remove MFHI and
10193         MFLO handling.
10194         (mips_subword): Assume TImode for CONST_INTs if TARGET_64BIT.
10195         (mips_split_doubleword_move): Use special MTHI and MFHI instructions
10196         when moving to and from MD_REGNUM.
10197         (mips_output_move): Don't handle moves from GPRs to HI_REGNUM.
10198         Handle moves from LO_REGNUM to GPRs using MFLO, MACC or DMACC.
10199         Handle byte and halfword moves.
10200         (mips_hard_regno_mode_ok_p): Handle MD_REGS and DSP_ACC_REGS
10201         separately.
10202         * config/mips/constraints.md (h): Turn into NO_REGS.
10203         (l, x): Update documentation.
10204         * config/mips/mips.md (UNSPEC_MFHILO): Delete.
10205         (UNSPEC_MFHI, UNSPEC_MTHI, UNSPEC_SET_HILO): New.
10206         (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): Renumber.
10207         (HILO): New mode iterator.
10208         (MOVE128): Add TI.
10209         (any_div): New code iterator.
10210         (u): Extend code attribute to div and udiv.
10211         (*add<mode>3_mips16, *movdi_64bit_mips16, *movsi_mips16): Use
10212         d_operand in the splitters.  Remove redundant CONST_INT checks.
10213         (mulsi3_mult3, mul<mode>3_internal, mul<mode>3_r4000, *mul_acc_si)
10214         (*macc, *msac, *msac_using_macc, *macc2, *msac2, *mul_sub_si)
10215         (*muls): Remove "=h" clobbers.  Adjust peephole2s and define_splits
10216         accordingly, using normal moves instead of unspecs to move LO into
10217         a GPR.  Use d_operand and lo_operand instead of *_REG_P checks.
10218         (<u>mulsidi3): Handle expansion in C code.
10219         (<u>mulsidi3_32bit_internal): Rename to...
10220         (<u>mulsidi3_32bit): ...this.
10221         (<u>mulsidi3_32bit_r4000): Fix insn separator.
10222         (*<u>mulsidi3_64bit): Rename to...
10223         (<u>mulsidi3_64bit): ...this.  Combine DImode "=h" and "=l" clobbers
10224         into a TImode "=x" clobber.  In the split, use an UNSPEC_SET_HILO
10225         to set LO and HI to the multiplication result.  Use a normal move
10226         for MFLO and an unspec for MFHI.
10227         (*<u>mulsidi3_64bit_parts): Replace with...
10228         (<u>mulsidi3_64bit_hilo): ...this new instruction.
10229         (<su>mulsi3_highpart): Extend to TARGET_FIX_R4000.
10230         (<su>mulsi3_highpart_internal): Turn into a define_insn_and_split
10231         and extend it to TARGET_FIX_R4000.  Store the destination in a GPR
10232         instead of HI.  Split the instruction into a separate multiplication
10233         and MFHI if !TARGET_FIX_R4000.
10234         (<su>muldi3_highpart): Likewise.
10235         (<su>mulsi3_highpart_mulhi_internal): Remove the first alternative
10236         and the "=h" clobber.
10237         (*<su>mulsi3_highpart_neg_mulhi_internal): Likewise.
10238         (<u>mulditi3): New expander.
10239         (<u>mulditi3_internal, <u>mulditi3_r4000): New patterns.
10240         (madsi): Remove "=h" clobber.
10241         (divmod<mode>4, udivmod<mode>4): Turn into define_insn_and_splits.
10242         Force the modulus result to be a GPR and split the instruction into
10243         a division followed by an MFHI after reload.
10244         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): New instruction.
10245         (*lea_high64): Use d_operand in the define_peephole2.  Likewise
10246         the MIPS16 HIGH define_split.
10247         (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16): Change type
10248         of acc<->gpr moves to "multi".
10249         (*movdi_64bit): Replace the single "x" alternative with
10250         alternatives for moving into and out of "a".
10251         (*movhi_internal, *movqi_internal): Likewise.  Use mips_output_move.
10252         (*movsi_internal): Extend the "d<-A" alternative to "d<-a".
10253         (*movdi_64bit_mips16, *movsi_mips16): Add d<-a alternatives.
10254         Use d_operand in the splitters.  Remove redundant CONST_INT checks.
10255         (*movhi_mips16, *movqi_mips16): Likewise.  Use mips_output_move.
10256         (movti): New expander.
10257         (*movti, *movti_mips16): New insns.
10258         (mfhilo_<mode>, *mfhilo_<mode>, *mfhilo_<mode>_macc): Delete.
10259         (mfhi<GPR:mode>_<HILO:mode>): New pattern.
10260         (mthi<GPR:mode>_<HILO:mode>): Likewise.
10261         * config/mips/predicates.md (fpr_operand): Delete.
10262         (d_operand): New predicate.
10264 2008-06-09  Michael Meissner  <michael.meissner@amd.com>
10266         * config.gcc (i[34567]86-*-*): Put test in quotes to prevent
10267         failure on some Bourne shells.
10268         (x86_64-*-*): Ditto.
10270 2008-06-09  Kai Tietz  <kai.tietz@onevision.com>
10272         * config/i386/cygming.h (TARGET_SUBTARGET64_DEFAULT): New.
10274 2008-06-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
10276         * doc/install.texi (*-*-solaris2*): Remove obsolete contents.
10277         (sparc-sun-solaris2*): Likewise.
10279 2008-06-09  Arnaud Charlet  <charlet@adacore.com
10281         * doc/install.texi: Update requirements to build the Ada compiler.
10283 2008-06-08  Steven Bosscher  <stevenb.gcc@gmail.com>
10285         * df-scan.c (struct df_scan_problem_data): Remove the
10286         mw_link_pool alloc pool.
10287         (df_scan_free_internal): Don't free it.
10288         (df_scan_alloc): Don't allocate it.
10289         * df.h (struct df_link): Update comment.
10291 2008-06-08  Nathan Sidwell  <nathan@codesourcery.com>
10293         * except.h: Correct checks for when SJLJ exceptions must be used.
10295 2008-06-08  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10297         * doc/invoke.texi (Wenum-compare): Mention that it is enabled by
10298         default.
10300 2008-06-08  Joseph Myers  <joseph@codesourcery.com>
10302         PR tree-optimization/36218
10303         * configure.ac: Use LDFLAGS="${LDFLAGS_FOR_BUILD}" when running
10304         configure for the build system.
10305         (BUILD_LDFLAGS): Define.
10306         * configure: Regenerate.
10307         * Makefile.in (BUILD_LDFLAGS): Define to @BUILD_LDFLAGS@.
10309 2008-07-08  Anatoly Sokolov  <aesok@post.ru>
10311         PR target/36424
10312         * config/avr/avr.h (HARD_REGNO_RENAME_OK): Define.
10313         * config/avr/avr.c (avr_hard_regno_rename_ok): New function.
10314         * config/avr/avr-protos.h (avr_hard_regno_rename_ok): New prototype.
10316 2008-06-07  Danny Smith  <dannysmith@users.sourceforge.net>
10318         * config/i386/cygming.h (MAYBE_UWIN_CPP_BUILTINS): Remove.
10320 2008-06-07  Joseph Myers  <joseph@codesourcery.com>
10322         * config.gcc (Obsolete configurations): Remove list of
10323         configurations.
10324         (Unsupported targets list): Add *-*-linux*aout*, *-*-linux*libc1*,
10325         *-*-solaris2.[0-6], *-*-solaris2.[0-6].*, *-*-sysv*.  Remove other
10326         targets matched by those patterns.
10327         (strongarm*-*-*, ep9312*-*-*, xscale-*-*, parisc*-*-*,
10328         m680[012]0-*-*, *-*-linux*libc1*, *-*-linux*aout*,
10329         alpha*-*-unicosmk*, strongarm*-*-freebsd*, ep9312-*-elf,
10330         arm*-*-kaos*, cris-*-aout, parisc*64*-*-linux*, parisc*-*-linux*,
10331         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
10332         i[34567]86-sequent-ptx4*, i[34567]86-sequent-sysv4*,
10333         i[34567]86-*-beoself*, i[34567]86-*-beos*, i[34567]86-*-sco3.2v5*,
10334         i[34567]86-*-sysv5*, i[34567]86-*-sysv4*, i[34567]86-*-uwin*,
10335         i[34567]86-*-kaos*, m68020-*-elf*, m68010-*-netbsdelf*,
10336         mips-wrs-windiss, mt-*-elf, powerpc-*-beos*, powerpc-*-chorusos*,
10337         powerpc-wrs-windiss*, powerpcle-*-sysv*, powerpc-*-kaos*,
10338         powerpcle-*-kaos*, sh*-*-kaos*, sparc-*-sysv4*, strongarm-*-elf*,
10339         strongarm-*-pe, strongarm-*-kaos*, vax-*-bsd*, vax-*-sysv*,
10340         vax-*-ultrix*, xscale-*-elf, xscale-*-coff,
10341         i[34567]86-*-linux*aout*, i[34567]86-*-linux*libc1): Remove.
10342         Make code for Solaris 7 and greater unconditional for Solaris.
10343         (ep9312-*-*, parisc1*, m680[012]0-*-*, parisc*-*-*, mt-*-*):
10344         Remove --with-* handling.
10345         * config/rs6000/sysv4.h (-mwindiss): Remove from all specs.
10346         (LIB_WINDISS_SPEC, CPP_OS_WINDISS_SPEC, STARTFILE_WINDISS_SPEC,
10347         ENDFILE_WINDISS_SPEC, LINK_START_WINDISS_SPEC,
10348         LINK_OS_WINDISS_SPEC): Remove.
10349         * config/rs6000/sysv4.opt (mwindiss): Remove.
10350         * configure.ac (strongarm*-*-*, xscale*-*-*): Remove.
10351         * configure: Regenerate.
10352         * doc/cpp.texi: Don't mention BeOS.
10353         * doc/extend.texi (interrupt): Don't mention MS1.
10354         * doc/install.texi: (i386-@var{any}-sysv, m68k-bull-sysv,
10355         m68k-hp-hpux, m68000-hp-hpux, m68000-att-sysv,
10356         alphaev5-cray-unicosmk*, xscale-*-*, i?86-*-linux*aout,
10357         i?86-*-sco3.2v5*, i?86-*-udk, m68k-hp-hpux, powerpc-*-sysv4,
10358         powerpc-*-sysv4, powerpcle-*-sysv4, *-*-sysv*, vax-dec-ultrix):
10359         Remove.
10360         * doc/invoke.texi (MT Options): Remove.
10361         (-mwindiss): Remove.
10362         (CRIS Options): Remove cris-axis-aout references.
10363         (HPPA Options): Don't mention hppa1.1-*-pro.
10364         * doc/md.texi: (MorphoTech family): Remove.
10365         * libgcc2.c: Don't handle UWIN.
10366         * config/alpha/t-unicosmk: Remove.
10367         * config/alpha/unicosmk.h: Remove.
10368         * config/arm/kaos-arm.h: Remove.
10369         * config/arm/kaos-strongarm.h: Remove.
10370         * config/arm/strongarm-coff.h: Remove.
10371         * config/arm/strongarm-elf.h: Remove.
10372         * config/arm/strongarm-pe.h: Remove.
10373         * config/arm/t-strongarm-pe: Remove.
10374         * config/arm/t-xscale-coff: Remove.
10375         * config/arm/t-xscale-elf: Remove.
10376         * config/arm/xscale-coff.h: Remove.
10377         * config/arm/xscale-elf.h: Remove.
10378         * config/chorus.h: Remove.
10379         * config/cris/aout.h: Remove.
10380         * config/cris/aout.opt: Remove.
10381         * config/cris/t-aout: Remove.
10382         * config/i386/beos-elf.h: Remove.
10383         * config/i386/kaos-i386.h: Remove.
10384         * config/i386/ptx4-i.h: Remove.
10385         * config/i386/sco5.h: Remove.
10386         * config/i386/sco5.opt: Remove.
10387         * config/i386/sysv4-cpp.h: Remove.
10388         * config/i386/sysv5.h: Remove.
10389         * config/i386/t-beos: Remove.
10390         * config/i386/t-sco5: Remove.
10391         * config/i386/t-uwin: Remove.
10392         * config/i386/uwin.asm: Remove.
10393         * config/i386/uwin.h: Remove.
10394         * config/kaos.h: Remove.
10395         * config/mips/windiss.h: Remove.
10396         * config/mt: Remove directory.
10397         * config/pa/pa-osf.h: Remove.
10398         * config/pa/pa-pro-end.h: Remove.
10399         * config/pa/t-pro: Remove.
10400         * config/ptx4.h: Remove.
10401         * config/rs6000/beos.h: Remove.
10402         * config/rs6000/kaos-ppc.h: Remove.
10403         * config/rs6000/t-beos: Remove.
10404         * config/rs6000/windiss.h: Remove.
10405         * config/sh/kaos-sh.h: Remove.
10406         * config/sol2-6.h: Remove.
10407         * config/sparc/sol26-sld.h: Remove.
10408         * config/sparc/sysv4-only.h: Remove.
10409         * config/vax/bsd.h: Remove.
10410         * config/vax/t-memfuncs: Remove.
10411         * config/vax/ultrix.h: Remove.
10412         * config/vax/vaxv.h: Remove.
10413         * config/windiss.h: Remove.
10415 2008-06-06  Uros Bizjak <ubizjak@gmail.com>
10417         PR rtl-optimization/36438
10418         * cse.c (fold_rtx) [ASHIFT, LSHIFTRT, ASHIFTRT]: Break out early
10419         for vector shifts with constant scalar shift operands.
10421 2008-06-06  Sandip Matte  <sandip@rmicorp.com>
10423         * doc/invoke.texi: Document -march=xlr.
10424         * config/mips/xlr.md: New file.
10425         * config/mips/mips.md: Include it.
10426         (cpu): Add "xlr".
10427         * config/mips/mips.h (PROCESSOR_XLR): New processor_type.
10428         * config/mips/mips.c (mips_cpu_info_table): Add an XLR entry.
10429         (mips_rtx_cost_data): Likewise.
10431 2008-06-06  Nathan Froyd  <froydnj@codesourcery.com>
10433         * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Remove
10434         PRE_INC and PRE_DEC cases.
10436 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
10438         PR rtl-optimization/36419
10439         * except.c (expand_resx_expr): Call do_pending_stack_adjust () before
10440         the emitting jump insn.
10442         PR target/36362
10443         * gimplify.c (gimplify_expr) <case TRUTH_NOT_EXPR>: If *expr_p type
10444         is not bool, boolify the whole *expr_p and convert to the desired type.
10446 2008-06-06  Jakub Jelinek  <jakub@redhat.com>
10448         * c-cppbuiltin.c (c_cpp_builtins): Change _OPENMP value to 200805.
10449         * langhooks.h (struct lang_hooks_for_decls): Add omp_finish_clause.
10450         Add omp_private_outer_ref hook, add another argument to
10451         omp_clause_default_ctor hook.
10452         * langhooks-def.h (LANG_HOOKS_OMP_FINISH_CLAUSE): Define.
10453         (LANG_HOOKS_OMP_PRIVATE_OUTER_REF): Define.
10454         (LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR): Change to
10455         hook_tree_tree_tree_tree_null.
10456         (LANG_HOOKS_DECLS): Add LANG_HOOKS_OMP_FINISH_CLAUSE and
10457         LANG_HOOKS_OMP_PRIVATE_OUTER_REF.
10458         * hooks.c (hook_tree_tree_tree_tree_null): New function.
10459         * hooks.h (hook_tree_tree_tree_tree_null): New prototype.
10460         * tree.def (OMP_TASK): New tree code.
10461         * tree.h (OMP_TASK_COPYFN, OMP_TASK_ARG_SIZE, OMP_TASK_ARG_ALIGN,
10462         OMP_CLAUSE_PRIVATE_OUTER_REF, OMP_CLAUSE_LASTPRIVATE_STMT,
10463         OMP_CLAUSE_COLLAPSE_ITERVAR, OMP_CLAUSE_COLLAPSE_COUNT,
10464         OMP_TASKREG_CHECK, OMP_TASKREG_BODY, OMP_TASKREG_CLAUSES,
10465         OMP_TASKREG_FN, OMP_TASKREG_DATA_ARG, OMP_TASK_BODY,
10466         OMP_TASK_CLAUSES, OMP_TASK_FN, OMP_TASK_DATA_ARG,
10467         OMP_CLAUSE_COLLAPSE_EXPR): Define.
10468         (enum omp_clause_default_kind): Add OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
10469         (OMP_DIRECTIVE_P): Add OMP_TASK.
10470         (OMP_CLAUSE_COLLAPSE, OMP_CLAUSE_UNTIED): New clause codes.
10471         (OMP_CLAUSE_SCHEDULE_AUTO): New schedule kind.
10472         * tree.c (omp_clause_code_name): Add OMP_CLAUSE_COLLAPSE
10473         and OMP_CLAUSE_UNTIED entries.
10474         (omp_clause_num_ops): Likewise.  Increase OMP_CLAUSE_LASTPRIVATE
10475         num_ops to 2.
10476         (walk_tree_1): Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10477         Walk OMP_CLAUSE_LASTPRIVATE_STMT.
10478         * tree-pretty-print.c (dump_omp_clause): Handle
10479         OMP_CLAUSE_SCHEDULE_AUTO, OMP_CLAUSE_UNTIED, OMP_CLAUSE_COLLAPSE,
10480         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.
10481         (dump_generic_node): Handle OMP_TASK and collapsed OMP_FOR loops.
10482         * c-omp.c (c_finish_omp_for): Allow pointer iterators.  Remove
10483         warning about unsigned iterators.  Change decl/init/cond/incr
10484         arguments to TREE_VECs, check arguments for all collapsed loops.
10485         (c_finish_omp_taskwait): New function.
10486         (c_split_parallel_clauses): Put OMP_CLAUSE_COLLAPSE clause to
10487         ws_clauses.
10488         * c-parser.c (c_parser_omp_for_loop): Parse collapsed loops.  Call
10489         default_function_array_conversion on init.  Add par_clauses argument.
10490         If decl is present in parallel's lastprivate clause, change it to
10491         shared and add lastprivate clause for decl to OMP_FOR_CLAUSES.
10492         Add clauses argument, on success set OMP_FOR_CLAUSES to it.  Look up
10493         collapse count in clauses.
10494         (c_parser_omp_for, c_parser_omp_parallel): Adjust
10495         c_parser_omp_for_loop callers.
10496         (OMP_FOR_CLAUSE_MASK): Add 1 << PRAGMA_OMP_CLAUSE_COLLAPSE.
10497         (c_parser_pragma): Handle PRAGMA_OMP_TASKWAIT.
10498         (c_parser_omp_clause_name): Handle collapse and untied clauses.
10499         (c_parser_omp_clause_collapse, c_parser_omp_clause_untied): New
10500         functions.
10501         (c_parser_omp_clause_schedule): Handle schedule(auto).
10502         Include correct location in the error message.
10503         (c_parser_omp_all_clauses): Handle PRAGMA_OMP_CLAUSE_COLLAPSE
10504         and PRAGMA_OMP_CLAUSE_UNTIED.
10505         (OMP_TASK_CLAUSE_MASK): Define.
10506         (c_parser_omp_task, c_parser_omp_taskwait): New functions.
10507         (c_parser_omp_construct): Handle PRAGMA_OMP_TASK.
10508         * tree-nested.c (convert_nonlocal_omp_clauses,
10509         convert_local_omp_clauses): Handle OMP_CLAUSE_LASTPRIVATE_STMT,
10510         OMP_CLAUSE_REDUCTION_INIT, OMP_CLAUSE_REDUCTION_MERGE,
10511         OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10512         Don't handle TREE_STATIC or DECL_EXTERNAL VAR_DECLs in
10513         OMP_CLAUSE_DECL.
10514         (conver_nonlocal_reference, convert_local_reference,
10515         convert_call_expr): Handle OMP_TASK the same as OMP_PARALLEL.  Use
10516         OMP_TASKREG_* macros rather than OMP_PARALLEL_*.
10517         (walk_omp_for): Adjust for OMP_FOR_{INIT,COND,INCR} changes.
10518         * tree-gimple.c (is_gimple_stmt): Handle OMP_TASK.
10519         * c-tree.h (c_begin_omp_task, c_finish_omp_task): New prototypes.
10520         * c-pragma.h (PRAGMA_OMP_TASK, PRAGMA_OMP_TASKWAIT): New.
10521         (PRAGMA_OMP_CLAUSE_COLLAPSE, PRAGMA_OMP_CLAUSE_UNTIED): New.
10522         * c-typeck.c (c_begin_omp_task, c_finish_omp_task): New functions.
10523         (c_finish_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
10524         OMP_CLAUSE_UNTIED.
10525         * c-pragma.c (init_pragma): Init omp task and omp taskwait pragmas.
10526         * c-common.h (c_finish_omp_taskwait): New prototype.
10527         * gimple-low.c (lower_stmt): Handle OMP_TASK.
10528         * tree-parloops.c (create_parallel_loop): Create 1 entry
10529         vectors for OMP_FOR_{INIT,COND,INCR}.
10530         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
10531         (make_edges): Handle OMP_TASK.
10532         * tree-ssa-operands.c (get_expr_operands): Handle collapsed OMP_FOR
10533         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10534         * tree-inline.c (estimate_num_insns_1): Handle OMP_TASK.
10535         * builtin-types.def (BT_PTR_ULONGLONG, BT_PTR_FN_VOID_PTR_PTR,
10536         BT_FN_BOOL_ULONGLONGPTR_ULONGLONGPTR,
10537         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULLPTR_ULLPTR,
10538         BT_FN_BOOL_BOOL_ULL_ULL_ULL_ULL_ULLPTR_ULLPTR,
10539         BT_FN_VOID_OMPFN_PTR_OMPCPYFN_LONG_LONG_BOOL_UINT): New.
10540         * omp-builtins.def (BUILT_IN_GOMP_TASK, BUILT_IN_GOMP_TASKWAIT,
10541         BUILT_IN_GOMP_LOOP_ULL_STATIC_START,
10542         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_START,
10543         BUILT_IN_GOMP_LOOP_ULL_GUIDED_START,
10544         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_START,
10545         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_START,
10546         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_START,
10547         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_START,
10548         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_START,
10549         BUILT_IN_GOMP_LOOP_ULL_STATIC_NEXT,
10550         BUILT_IN_GOMP_LOOP_ULL_DYNAMIC_NEXT,
10551         BUILT_IN_GOMP_LOOP_ULL_GUIDED_NEXT,
10552         BUILT_IN_GOMP_LOOP_ULL_RUNTIME_NEXT,
10553         BUILT_IN_GOMP_LOOP_ULL_ORDERED_STATIC_NEXT,
10554         BUILT_IN_GOMP_LOOP_ULL_ORDERED_DYNAMIC_NEXT,
10555         BUILT_IN_GOMP_LOOP_ULL_ORDERED_GUIDED_NEXT,
10556         BUILT_IN_GOMP_LOOP_ULL_ORDERED_RUNTIME_NEXT): New builtins.
10557         * gimplify.c (gimplify_omp_for): Allow pointer type for decl,
10558         handle POINTER_PLUS_EXPR.  If loop counter has been replaced and
10559         original iterator is present in lastprivate clause or if
10560         collapse > 1, set OMP_CLAUSE_LASTPRIVATE_STMT.  Handle collapsed
10561         OMP_FOR loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10562         (gimplify_expr): Handle OMP_SECTIONS_SWITCH and OMP_TASK.
10563         (enum gimplify_omp_var_data): Add GOVD_PRIVATE_OUTER_REF.
10564         (omp_notice_variable): Set GOVD_PRIVATE_OUTER_REF if needed,
10565         if it is set, lookup var in outer contexts too.  Handle
10566         OMP_CLAUSE_DEFAULT_FIRSTPRIVATE.  Handle vars that are supposed
10567         to be implicitly determined firstprivate for task regions.
10568         (gimplify_scan_omp_clauses): Set GOVD_PRIVATE_OUTER_REF if needed,
10569         if it is set, lookup var in outer contexts too.  Set
10570         OMP_CLAUSE_PRIVATE_OUTER_REF if GOVD_PRIVATE_OUTER_REF is set.
10571         Handle OMP_CLAUSE_LASTPRIVATE_STMT, OMP_CLAUSE_COLLAPSE and
10572         OMP_CLAUSE_UNTIED.  Take region_type as last argument
10573         instead of in_parallel and in_combined_parallel.
10574         (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10575         Adjust callers.
10576         (gimplify_adjust_omp_clauses_1): Set OMP_CLAUSE_PRIVATE_OUTER_REF if
10577         GOVD_PRIVATE_OUTER_REF is set.  Call omp_finish_clause langhook.
10578         (new_omp_context): Set default_kind to
10579         OMP_CLAUSE_DEFAULT_UNSPECIFIED for OMP_TASK regions.
10580         (omp_region_type): New enum.
10581         (struct gimplify_omp_ctx): Remove is_parallel and is_combined_parallel
10582         fields, add region_type.
10583         (new_omp_context): Take region_type as argument instead of is_parallel
10584         and is_combined_parallel.
10585         (gimple_add_tmp_var, omp_firstprivatize_variable, omp_notice_variable,
10586         omp_is_private, omp_check_private): Adjust ctx->is_parallel and
10587         ctx->is_combined_parallel checks.
10588         (gimplify_omp_task): New function.
10589         (gimplify_adjust_omp_clauses): Handle OMP_CLAUSE_COLLAPSE and
10590         OMP_CLAUSE_UNTIED.
10591         * omp-low.c (extract_omp_for_data): Use schedule(static)
10592         for schedule(auto).  Handle pointer and unsigned iterators.
10593         Compute fd->iter_type.  Handle POINTER_PLUS_EXPR increments.
10594         Add loops argument.  Extract data for collapsed OMP_FOR loops.
10595         (expand_parallel_call): Assert sched_kind isn't auto,
10596         map runtime schedule to index 3.
10597         (struct omp_for_data_loop): New type.
10598         (struct omp_for_data): Remove v, n1, n2, step, cond_code fields.
10599         Add loop, loops, collapse and iter_type fields.
10600         (workshare_safe_to_combine_p): Disallow combined for if
10601         iter_type is unsigned long long.  Don't combine collapse > 1 loops
10602         unless all bounds and steps are constant.  Adjust extract_omp_for_data
10603         caller.
10604         (expand_omp_for_generic): Handle pointer, unsigned and long long
10605         iterators.  Handle collapsed OMP_FOR loops.  Adjust
10606         for struct omp_for_data changes.  If libgomp function doesn't return
10607         boolean_type_node, add comparison of the return value with 0.
10608         (expand_omp_for_static_nochunk, expand_omp_for_static_chunk): Handle
10609         pointer, unsigned and long long iterators.  Adjust for struct
10610         omp_for_data changes.
10611         (expand_omp_for): Assert sched_kind isn't auto, map runtime schedule
10612         to index 3.  Use GOMP_loop_ull*{start,next} if iter_type is
10613         unsigned long long.  Allocate loops array, pass it to
10614         extract_omp_for_data.  For collapse > 1 loops use always
10615         expand_omp_for_generic.
10616         (omp_context): Add sfield_map and srecord_type fields.
10617         (is_task_ctx, lookup_sfield): New functions.
10618         (use_pointer_for_field): Use is_task_ctx helper.  Change first
10619         argument's type from const_tree to tree.  Clarify comment.
10620         In OMP_TASK disallow copy-in/out sharing.
10621         (build_sender_ref): Call lookup_sfield instead of lookup_field.
10622         (install_var_field): Add mask argument.  Populate both record_type
10623         and srecord_type if needed.
10624         (delete_omp_context): Destroy sfield_map, clear DECL_ABSTRACT_ORIGIN
10625         in srecord_type.
10626         (fixup_child_record_type): Also remap FIELD_DECL's DECL_SIZE{,_UNIT}
10627         and DECL_FIELD_OFFSET.
10628         (scan_sharing_clauses): Adjust install_var_field callers.  For
10629         firstprivate clauses on explicit tasks allocate the var by value in
10630         record_type unconditionally, rather than by reference.
10631         Handle OMP_CLAUSE_PRIVATE_OUTER_REF.  Scan OMP_CLAUSE_LASTPRIVATE_STMT.
10632         Use is_taskreg_ctx instead of is_parallel_ctx.
10633         Handle OMP_CLAUSE_COLLAPSE and OMP_CLAUSE_UNTIED.
10634         (create_omp_child_function_name): Add task_copy argument, use
10635         *_omp_cpyfn* names if it is true.
10636         (create_omp_child_function): Add task_copy argument, if true create
10637         *_omp_cpyfn* helper function.
10638         (scan_omp_parallel): Adjust create_omp_child_function callers.
10639         Rename parallel_nesting_level to taskreg_nesting_level.
10640         (scan_omp_task): New function.
10641         (lower_rec_input_clauses): Don't run constructors for firstprivate
10642         explicit task vars which are initialized by *_omp_cpyfn*.
10643         Pass outer var ref to omp_clause_default_ctor hook if
10644         OMP_CLAUSE_PRIVATE_OUTER_REF or OMP_CLAUSE_LASTPRIVATE.
10645         Replace OMP_CLAUSE_REDUCTION_PLACEHOLDER decls in
10646         OMP_CLAUSE_REDUCTION_INIT.
10647         (lower_send_clauses): Clear DECL_ABSTRACT_ORIGIN if in task to
10648         avoid duplicate setting of fields.  Handle
10649         OMP_CLAUSE_PRIVATE_OUTER_REF.
10650         (lower_send_shared_vars): Use srecord_type if non-NULL.  Don't
10651         copy-out if TREE_READONLY, only copy-in.
10652         (expand_task_copyfn): New function.
10653         (expand_task_call): New function.
10654         (struct omp_taskcopy_context): New type.
10655         (task_copyfn_copy_decl, task_copyfn_remap_type, create_task_copyfn):
10656         New functions.
10657         (lower_omp_parallel): Rename to...
10658         (lower_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
10659         Call create_task_copyfn if srecord_type is needed.  Adjust
10660         sender_decl type.
10661         (task_shared_vars): New variable.
10662         (check_omp_nesting_restrictions): Warn if work-sharing,
10663         barrier, master or ordered region is closely nested inside OMP_TASK.
10664         Add warnings for barrier if closely nested inside of work-sharing,
10665         ordered, or master region.
10666         (scan_omp_1): Call check_omp_nesting_restrictions even for
10667         GOMP_barrier calls.  Rename parallel_nesting_level to
10668         taskreg_nesting_level.  Handle OMP_TASK.
10669         (lower_lastprivate_clauses): Even if some lastprivate is found on a
10670         work-sharing construct, continue looking for them on parent parallel
10671         construct.
10672         (lower_omp_for_lastprivate): Add lastprivate clauses
10673         to the beginning of dlist rather than end.  Adjust for struct
10674         omp_for_data changes.
10675         (lower_omp_for): Add rec input clauses before OMP_FOR_PRE_BODY,
10676         not after it.  Handle collapsed OMP_FOR loops, adjust for
10677         OMP_FOR_{INIT,COND,INCR} changes, adjust extract_omp_for_data caller.
10678         (get_ws_args_for): Adjust extract_omp_for_data caller.
10679         (scan_omp_for): Handle collapsed OMP_FOR
10680         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.
10681         (lower_omp_single_simple): If libgomp function doesn't return
10682         boolean_type_node, add comparison of the return value with 0.
10683         (diagnose_sb_1, diagnose_sb_2): Handle collapsed OMP_FOR
10684         loops, adjust for OMP_FOR_{INIT,COND,INCR} changes.  Handle OMP_TASK.
10685         (parallel_nesting_level): Rename to...
10686         (taskreg_nesting_level): ... this.
10687         (is_taskreg_ctx): New function.
10688         (build_outer_var_ref, omp_copy_decl): Use is_taskreg_ctx instead
10689         of is_parallel_ctx.
10690         (execute_lower_omp): Rename parallel_nesting_level to
10691         taskreg_nesting_level.
10692         (expand_omp_parallel): Rename to...
10693         (expand_omp_taskreg): ... this.  Use OMP_TASKREG_* macros where needed.
10694         Call omp_task_call for OMP_TASK regions.
10695         (expand_omp): Adjust caller, handle OMP_TASK.
10696         (lower_omp_1): Adjust lower_omp_taskreg caller, handle OMP_TASK.
10698         * bitmap.c (bitmap_default_obstack_depth): New variable.
10699         (bitmap_obstack_initialize, bitmap_obstack_release): Do nothing
10700         if argument is NULL and bitmap_default_obstack is already initialized.
10701         * ipa-struct-reorg.c (do_reorg_1): Call bitmap_obstack_release
10702         at the end.
10703         * matrix-reorg.c (matrix_reorg): Likewise.
10705 2008-06-06  Uros Bizjak  <ubizjak@gmail.com>
10707         * config/i386/i386.md (*indirect_jump): Macroize using P
10708         mode iterator.  Remove !TARGET_64BIT from insn constraints.
10709         (*tablejump_1): Ditto.
10710         (*indirect_jump_rex64): Remove insn pattern.
10711         (*tablejump_1_rex64): Ditto.
10712         (eh_return_<mode>): Macroize using P mode iterator from eh_return_di
10713         and eh_return_si insn patterns.
10715 2008-06-06  Richard Guenther  <rguenther@suse.de>
10717         * tree-ssa-structalias.c (merge_smts_into): Remove.
10718         (find_what_p_points_to): Do not bother to compute the
10719         points-to set for pt_anything pointers.
10720         * tree-ssa-operands.c (get_addr_dereference_operands): No NMT
10721         for pt_anything pointers is ok.
10723 2008-06-06  Jan Hubicka  <jh@suse.cz>
10725         * passes.c (execute_ipa_pass_list): Do not regenerate summaries.
10727 2008-06-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
10729         * cgraph.c: Fix typos in comments.
10730         (cgraph_availability_names): Fix string typo.
10731         * fold-const.c: Fix typos in comments.
10732         (fold_binary): Fix typo in warning.
10733         * genautomata.c: Fix typos in comments.
10734         (check_presence_pattern_sets): Fix typo in local variable.
10735         (output_description): Fix typo in output.
10736         * ggc-zone.c (ggc_pch_finish): Fix typo in error message.
10737         * hwint.h: Likewise.
10738         * matrix-reorg.c (check_allocation_function): Likewise.
10739         * omega.c (smooth_weird_equations): Likewise.
10740         * auto-inc-dec.c: Fix typos in comments.
10741         * bb-reorder.c: Likewise.
10742         * builtins.c: Likewise.
10743         * c-common.c: Likewise.
10744         * c-cppbuiltin.c: Likewise.
10745         * c-parser.c: Likewise.
10746         * c-pretty-print.c: Likewise.
10747         * cfgcleanup.c: Likewise.
10748         * cfgexpand.c: Likewise.
10749         * cfghooks.c: Likewise.
10750         * cfglayout.c: Likewise.
10751         * cfgloopmanip.c: Likewise.
10752         * cgraphunit.c: Likewise.
10753         * coverage.c: Likewise.
10754         * dbxout.c: Likewise.
10755         * df-byte-scan.c: Likewise.
10756         * df-core.c: Likewise.
10757         * df-problems.c: Likewise.
10758         * df-scan.c: Likewise.
10759         * dfp.c: Likewise.
10760         * dominance.c: Likewise.
10761         * domwalk.c: Likewise.
10762         * dse.c: Likewise.
10763         * dwarf2out.c: Likewise.
10764         * emit-rtl.c: Likewise.
10765         * et-forest.c: Likewise.
10766         * function.c: Likewise.
10767         * function.h: Likewise.
10768         * gcc.c: Likewise.
10769         * gcov-io.c: Likewise.
10770         * gcov.c: Likewise.
10771         * gcse.c: Likewise.
10772         * genattrtab.c: Likewise.
10773         * ggc-page.c: Likewise.
10774         * gimplify.c: Likewise.
10775         * gthr-lynx.h: Likewise.
10776         * haifa-sched.c: Likewise.
10777         * ipa-cp.c: Likewise.
10778         * ipa-inline.c: Likewise.
10779         * ipa-prop.h: Likewise.
10780         * ipa-pure-const.c: Likewise.
10781         * ipa-struct-reorg.c: Likewise.
10782         * ipa-struct-reorg.h: Likewise.
10783         * ipa-type-escape.c: Likewise.
10784         * ipa.c: Likewise.
10785         * loop-doloop.c: Likewise.
10786         * mips-tfile.c: Likewise.
10787         * mkmap-flat.awk: Likewise.
10788         * mkmap-symver.awk: Likewise.
10789         * modulo-sched.c: Likewise.
10790         * omp-low.c: Likewise.
10791         * optabs.c: Likewise.
10792         * optabs.h: Likewise.
10793         * opts.c: Likewise.
10794         * passes.c: Likewise.
10795         * postreload-gcse.c: Likewise.
10796         * postreload.c: Likewise.
10797         * predict.c: Likewise.
10798         * pretty-print.h: Likewise.
10799         * profile.c: Likewise.
10800         * protoize.c: Likewise.
10801         * ra-conflict.c: Likewise.
10802         * real.c: Likewise.
10803         * recog.c: Likewise.
10804         * regclass.c: Likewise.
10805         * regs.h: Likewise.
10806         * reload.c: Likewise.
10807         * rtl-error.c: Likewise.
10808         * rtlanal.c: Likewise.
10809         * scan.h: Likewise.
10810         * sched-rgn.c: Likewise.
10811         * see.c: Likewise.
10812         * stmt.c: Likewise.
10813         * target.h: Likewise.
10814         * tree-dfa.c: Likewise.
10815         * tree-eh.c: Likewise.
10816         * tree-flow-inline.h: Likewise.
10817         * tree-inline.c: Likewise.
10818         * tree-into-ssa.c: Likewise.
10819         * tree-loop-distribution.c: Likewise.
10820         * tree-nested.c: Likewise.
10821         * tree-parloops.c: Likewise.
10822         * tree-pass.h: Likewise.
10823         * tree-pretty-print.c: Likewise.
10824         * tree-profile.c: Likewise.
10825         * tree-scalar-evolution.c: Likewise.
10826         * tree-sra.c: Likewise.
10827         * tree-ssa-alias-warnings.c: Likewise.
10828         * tree-ssa-ccp.c: Likewise.
10829         * tree-ssa-coalesce.c: Likewise.
10830         * tree-ssa-dom.c: Likewise.
10831         * tree-ssa-dse.c: Likewise.
10832         * tree-ssa-forwprop.c: Likewise.
10833         * tree-ssa-live.c: Likewise.
10834         * tree-ssa-live.h: Likewise.
10835         * tree-ssa-loop-im.c: Likewise.
10836         * tree-ssa-loop-ivopts.c: Likewise.
10837         * tree-ssa-loop-niter.c: Likewise.
10838         * tree-ssa-loop-prefetch.c: Likewise.
10839         * tree-ssa-phiopt.c: Likewise.
10840         * tree-ssa-phiprop.c: Likewise.
10841         * tree-ssa-sccvn.c: Likewise.
10842         * tree-ssa-ter.c: Likewise.
10843         * tree-ssa-threadupdate.c: Likewise.
10844         * tree-ssa.c: Likewise.
10845         * tree-vect-analyze.c: Likewise.
10846         * tree-vect-transform.c: Likewise.
10847         * tree-vectorizer.c: Likewise.
10848         * tree-vn.c: Likewise.
10849         * tree-vrp.c: Likewise.
10850         * tree.c: Likewise.
10851         * tree.def: Likewise.
10852         * tree.h: Likewise.
10853         * unwind-dw2-fde.c: Likewise.
10854         * unwind.inc: Likewise.
10855         * value-prof.c: Likewise.
10856         * vmsdbgout.c: Likewise.
10858 2008-06-05  David Edelsohn  <edelsohn@gnu.org>
10860         * config/rs6000/xcoff.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Do not
10861         always place FP constants in the TOC for TARGET_POWERPC64.
10862         * config/rs6000/linux64.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Same.
10864 2008-06-05  Joseph Myers  <joseph@codesourcery.com>
10866         * config.gcc (powerpc-*-linux*spe*): Use t-dfprules.
10867         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): Do not
10868         enable for TARGET_E500_DOUBLE.
10869         (*movdd_softfloat32): Also enable for !TARGET_FPRS.
10870         * config/rs6000/rs6000.c (invalid_e500_subreg): Treat decimal
10871         floating-point modes like integer modes for E500 double.
10872         (rs6000_legitimate_offset_address_p): Likewise.
10873         (rs6000_legitimize_address): Likewise.  Do not allow REG+REG
10874         addressing for DDmode for E500 double.
10875         (rs6000_hard_regno_nregs): Do not treat decimal floating-point
10876         modes as using 64-bits of registers for E500 double.
10877         (spe_build_register_parallel): Do not handle DDmode or TDmode.
10878         (rs6000_spe_function_arg): Do not handle DDmode or TDmode
10879         specially for E500 double.
10880         (function_arg): Do not call rs6000_spe_function_arg for DDmode or
10881         TDmode for E500 double.
10882         (rs6000_gimplify_va_arg): Only handle SDmode in registers
10883         specially if TARGET_HARD_FLOAT && TARGET_FPRS.
10884         (rs6000_split_multireg_move): Do not handle TDmode specially for
10885         E500 double.
10886         (spe_func_has_64bit_regs_p): Do not treat DDmode or TDmode as
10887         using 64-bit registers for E500 double.
10888         (emit_frame_save): Do not handle DDmode specially for E500 double.
10889         (gen_frame_mem_offset): Likewise.
10890         (rs6000_function_value): Do not call spe_build_register_parallel
10891         for DDmode or TDmode.
10892         (rs6000_libcall_value): Likewise.
10893         * config/rs6000/rs6000.h (LOCAL_ALIGNMENT, MEMBER_TYPE_FORCES_BLK,
10894         DATA_ALIGNMENT, CLASS_MAX_NREGS): Do not handle DDmode specially
10895         for E500 double.
10897 2008-06-04  H.J. Lu  <hongjiu.lu@intel.com>
10899         * config/i386/i386.c (setup_incoming_varargs_64): Fix a typo
10900         in comments.
10902 2008-06-04  Junjie Gu <jgu@tensilica.com>
10904         * config/xtensa/lib2funcs.S (__xtensa_nonlocal_goto): Use unsigned
10905         comparison for frame pointers.
10907 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
10909         PR target/27386
10910         * config/avr/avr.h (PUSH_ROUNDING): Remove.
10912 2008-06-04  Andy Hutchinson  <hutchinsonandy@aim.com>
10914         PR target/30243
10915         * builtins.c (expand_builtin_signbit): Don't take lowpart when
10916         register is already smaller or equal to required mode.
10918 2008-06-04  Xinliang David Li  <davidxl@google.com>
10920         * tree-call-cdce.c: New file.
10921         (cond_dead_built_in_calls): New static variable.
10922         (input_domain): New struct.
10923         (check_pow): New function.
10924         (check_builtin_call): Ditto.
10925         (check_target_format): Ditto.
10926         (is_call_dce_candidate): Ditto.
10927         (gen_one_condition): Ditto.
10928         (gen_conditions_for_domain): Ditto.
10929         (get_domain): Ditto.
10930         (gen_conditions_for_pow_cst_base): Ditto.
10931         (gen_conditions_for_pow_int_base): Ditto.
10932         (gen_conditions_for_pow): Ditto.
10933         (get_no_error_domain): Ditto.
10934         (gen_shrink_wrap_conditions): Ditto.
10935         (shrink_wrap_one_built_in_call): Ditto.
10936         (shink_wrap_conditional_dead_built_in_calls): Ditto.
10937         (tree_call_cdce): Ditto.
10938         (gate_call_cdce): Ditto.
10939         (pass_call_cdce): New gimple pass.
10940         * passes.c: (init_optimization_passes): New pass.
10941         * tree-pass.h: New pass declaration.
10942         * opts.c (decode_options): New flag setting.
10943         * common.opt: Add -ftree-builtin-call-dce flag.
10944         * Makefile.in: Add new source file.
10945         * tempvar.def: New tv_id.
10946         * doc/invoke.texi (-ftree-builtin-call-dce): New flag.
10948 2008-06-04  Richard Guenther  <rguenther@suse.de>
10950         * tree-flow-inline.h (is_global_var): Do not check TREE_STATIC on MTAGs.
10951         (is_call_clobbered): Always check var_ann->call_clobbered.
10952         (mark_call_clobbered): Always set var_ann->call_clobbered.
10953         (clear_call_clobbered): Always clear var_ann->call_clobbered.
10954         * tree-ssa-alias.c (mark_non_addressable): Use clear_call_clobbered.
10955         (reset_alias_info): Clear call clobbering info on MTAGs and
10956         globals as well.
10957         (set_pt_anything): Set pt_global_mem.
10958         (create_tag_raw): Adjust comment.
10959         (may_be_aliased): Do not check TREE_PUBLIC on MTAGs.
10961 2008-06-04  Joseph Myers  <joseph@codesourcery.com>
10962             Maxim Kuvyrkov  <maxim@codesourcery.com>
10964         * config/m68k/m68k.opt (mxgot): New option.
10965         * config/m68k/m68k.c (legitimize_pic_address): Handle -mxgot.
10966         (m68k_output_addr_const_extra): New.
10967         * config/m68k/m68k.h (OUTPUT_ADDR_CONST_EXTRA): New.
10968         * config/m68k/m68k-protos.h (m68k_output_addr_const_extra): Declare.
10969         * config/m68k/m68k.md (UNSPEC_GOTOFF): Define.
10970         * doc/invoke.texi (M680x0 Options): Document -mxgot.
10972 2008-06-04  Richard Guenther  <rguenther@suse.de>
10974         * tree-ssa-structalias.c (handle_ptr_arith): Correctly handle
10975         negative or non-representable offsets.
10977 2008-06-03  H.J. Lu  <hongjiu.lu@intel.com>
10979         * config/i386/i386.c (ix86_gen_leave): New.
10980         (ix86_gen_pop1): Likewise.
10981         (ix86_gen_add3): Likewise.
10982         (ix86_gen_sub3): Likewise.
10983         (ix86_gen_sub3_carry): Likewise.
10984         (ix86_gen_one_cmpl2): Likewise.
10985         (ix86_gen_monitor): Likewise.
10986         (override_options): Initialize ix86_gen_leave, ix86_gen_pop1,
10987         ix86_gen_add3, ix86_gen_sub3, ix86_gen_sub3_carry,
10988         ix86_gen_one_cmpl2 and ix86_gen_monitor.
10989         (ix86_file_end): Use mov%z0 instead of mov{q}/mov{l}.
10990         (output_set_got): Use mov%z0, pop%z0 and add%z0 instead of
10991         mov{q}/mov{l}, pop{q}/pop{l} and add{q}/add{l}.
10992         (ix86_expand_epilogue): Updated.
10993         (print_operand): Handle integer register operand for 'z'.
10994         (ix86_expand_strlensi_unroll_1): Likewise.
10995         (ix86_expand_strlen): Likewise.
10996         (ix86_expand_builtin): Likewise.
10997         (x86_output_mi_thunk): Use mov%z1 and add%z1 instead of
10998         mov{q}/mov{l} and add{q}/add{l}.
11000 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
11002         * config/i386/i386.md (P): New mode iterator.
11003         (SFmode push_operand splitter): Macroize DImode and SImode pushes
11004         using P mode iterator.
11005         (DFmode push_operand splitter): Ditto.
11006         (XFmode push_operand splitter): Ditto.
11007         (DFmode float_extend SFmode push_operand splitter): Ditto.
11008         (XFmode float_extend SFmode push_operand splitter): Do not generate
11009         SImode pushes for 64bit target.  Macroize Dimode and SImode
11010         pushes using P mode iterator.
11011         (XFmode float_extend DFmode push_operand splitter): Ditto.
11013 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
11015         * config/i386/i386-protos.h (ix86_reg_parm_stack_space): New.
11016         * config/i386/i386.h (ix86_reg_parm_stack_space): Removed prototype.
11017         * config/i386/i386.c (ix86_reg_parm_stack_space): Changed
11018         return type to int.
11019         (ix86_call_abi_override): Remove check for call_used_regs.
11021 2008-06-03  Richard Guenther  <rguenther@suse.de>
11023         * tree-ssa-structalias.c (find_func_aliases): Add constraints
11024         for the lhs of calls if the return type contains pointers.
11026 2008-06-03  Kai Tietz  <kai.tietz@onevision.com>
11028         * doc/tm.texi (OVERRIDE_ABI_FORMAT): New.
11029         * doc/extend.texi (ms_abi,sysv_abi): New attribute description.
11030         * function.c (allocate_struct_function): Use of OVERRIDE_ABI_FORMAT.
11031         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Make use
11032         of cfun and DEFAULT_ABI to deceide abi mode.
11033         (DEFAULT_ABI): New.
11034         (REG_PARM_STACK_SPACE): Removed.
11035         (OUTGOING_REG_PARM_STACK_SPACE): Removed.
11036         (STACK_BOUNDARY): Use default target to deceide stack boundary.
11037         * config/i386/i386-protos.h (ix86_cfun_abi): New.
11038         (ix86_function_abi): Likewise.
11039         (ix86_function_type_abi): Likewise.
11040         (ix86_call_abi_override): Likewise.
11041         * confid/i386/i386.md (SSE_REGPARM_MAX): Replaced by abi
11042         specific define X86_64_SSE_REGPARM_MAX/X64_SSE_REGPARM_MAX.
11043         * config/i386/i386.c (override_options): Replace TARGET_64BIT_MS_ABI.
11044         (X86_64_VARARGS_SIZE): Replace REGPARM_MAX and SSE_REGPARM_MAX by abi
11045         specific defines.
11046         (X86_64_REGPARM_MAX): New.
11047         (X86_64_SSE_REGPARM_MAX): New.
11048         (X64_REGPARM_MAX): New.
11049         (X64_SSE_REGPARM_MAX): New.
11050         (X86_32_REGPARM_MAX): New.
11051         (X86_32_SSE_REGPARM_MAX): New.
11052         (ix86_handle_cconv_attribute): Replace TARGET_64BIT_MS_ABI.
11053         (ix86_function_regparm): Handle user calling abi.
11054         (ix86_function_arg_regno_p): Replace TARGET_64BIT_MS_ABI
11055         by DEFAULT_ABI versus SYSV_ABI check.
11056         (ix86_reg_parm_stack_space): New.
11057         (ix86_function_type_abi): New.
11058         (ix86_call_abi_override): New.
11059         (ix86_function_abi): New.
11060         (ix86_cfun_abi): New.
11061         (init_cumulative_args): Call abi specific initialization.
11062         (function_arg_advance): Remove TARGET_64BIT_MS_ABI.
11063         (function_arg_64): Extend SSE_REGPARM_MAX check.
11064         (function_arg (): Remove TARGET_64BIT_MS_ABI.
11065         (ix86_pass_by_reference): Likewise.
11066         (ix86_function_value_regno_p): Likewise.
11067         (function_value_64): Replace REGPARM_MAX, and SSE_REGPARM_MAX.
11068         (ix86_function_value_1): Replace TARGET_64BIT_MS_ABI.
11069         (return_in_memory_ms_64): Replace TARGET_64BIT_MS_ABI.
11070         (ix86_build_builtin_va_list): Replace TARGET_64BIT_MS_ABI.
11071         (setup_incoming_varargs_64): Adjust regparm for call abi.
11072         (ix86_setup_incoming_varargs): Replace TARGET_64BIT_MS_ABI.
11073         (ix86_va_start): Likewise.
11074         (ix86_gimplify_va_arg): Likewise.
11075         (ix86_expand_prologue): Likewise.
11076         (output_pic_addr_const): Likewise.
11077         (ix86_init_machine_status): Initialize call_abi by DEFAULT_ABI.
11078         (x86_this_parameter): Replace TARGET_64BIT_MS_ABI.
11079         (x86_output_mi_thunk): Likewise.
11080         (x86_function_profiler): Likewise.
11081         * config/i386/i386.h (TARGET_64BIT_MS_ABI): Use ix64_cfun_abi.
11082         (SYSV_ABI, MS_ABI): New constants.
11083         (DEFAULT_ABI): New.
11084         (init_regs): Add prototype of function in regclass.c file.
11085         (OVERRIDE_ABI_FORMAT): New.
11086         (CONDITIONAL_REGISTER_USAGE): Remove TARGET_64BIT_MS_ABI part.
11087         (REG_PARM_STACK_SPACE): Use ix86_reg_parm_stack_space.
11088         (OUTGOING_REG_PARM_STACK_SPACE): New.
11089         (ix86_reg_parm_stack_space): New prototype.
11090         (CUMULATIVE_ARGS): Add call_abi member.
11091         (machine_function): Add call_abi member.
11092         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Replace
11093         TARGET_64BIT_MS_ABI by DEFAULT_ABI compare to MS_ABI.
11095 2008-06-02  Andy Hutchinson  <hutchinsonandy@aim.com>
11097         PR target/34879
11098         * config/avr/avr.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Redefine.
11099         (avr_builtin_setjmp_frame_value): New function.
11100         * config/avr/avr.md (nonlocal_goto_receiver): Define.
11101         (nonlocal_goto): Define.
11103 2008-06-02  Richard Sandiford  <rdsandiford@googlemail.com>
11105         * config/mips/mips.c (mips_emit_loadgp): Return early if
11106         there is nothing do to, otherwise emit a blockage if
11107         !TARGET_EXPLICIT_RELOCS || crtl->profile.
11108         * config/mips/mips.md (loadgp_blockage): Use SI rather than DI.
11110 2008-06-02  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11112         * configure.ac: Drop unneeded backslash ending up in config.in.
11113         * acinclude.m4: Likewise.
11114         * config.in: Regenerate.
11116 2008-05-26  Jan Hubicka  <jh@suse.cz>
11118         * predict.c (maybe_hot_frequency_p): Break out of...
11119         (maybe_hot_bb_p): ... here.
11120         (maybe_hot_edge_p): New.
11121         * tree-ssa-coalesce.c (coalesce_cost_edge): Compute cost based on edge.
11122         * basic-block.h (maybe_hot_edge_p): Declare.
11124 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
11126         * config/i386/i386.md (*cmpfp_<mode>): Enable for optimize_size.
11127         (*cmpfp_<mode>_cc): Ditto.
11128         (*fp_jcc_8<mode>_387): Ditto.
11129         (*fop_<MODEF:mode>_2_i387): Ditto.
11130         (*fop_<MODEF:mode>_3_i387): Ditto.
11131         (*fop_xf_2_i387): Ditto.
11132         (*fop_xf_3_i387): Ditto.
11134 2008-06-02  Tomas Bily  <tbily@suse.cz>
11136         * tree-ssa-ifcombine.c (get_name_for_bit_test): Use CONVERT_EXPR_P.
11138 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
11140         * config/mips/mips.c (mips_valid_offset_p): New function.
11141         (mips_valid_lo_sum_p): Likewise.
11142         (mips_classify_address): Use them.
11143         (mips_force_address): New function.
11144         (mips_legitimize_address): Use it.
11145         * config/mips/mips.md (MOVE128): New mode iterator.
11146         (movtf): Require TARGET_64BIT.  Remove empty strings.
11147         (*movtf_internal): Rename to...
11148         (*movtf): ...this and require !TARGET_MIPS16.  Use "m" instead
11149         of "R" and use {,fp}{load,store} attributes instead of "multi".
11150         Use a separate define_split.
11151         (*movtf_mips16): New pattern.
11153 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
11155         * config/mips/mips-protos.h (mips_expand_before_return): Declare.
11156         * config/mips/mips.c (mips_expand_before_return): New function.
11157         (mips_expand_epilogue): Call it.
11158         * config/mips/mips.md (return): Turn into a define_expand.
11159         (*return): New insn.
11161 2008-06-01  Richard Sandiford  <rdsandiford@googlemail.com>
11163         * rtl.h (emit_clobber, gen_clobber, emit_use, gen_use): Declare.
11164         * emit-rtl.c (emit_clobber, gen_clobber, emit_use, gen_use): New
11165         functions.  Do not emit uses and clobbers of CONCATs; individually
11166         use and clobber their operands.
11167         * builtins.c (expand_builtin_setjmp_receiver): Use emit_clobber,
11168         gen_clobber, emit_use and gen_use.
11169         (expand_builtin_longjmp, expand_builtin_nonlocal_goto): Likewise.
11170         (expand_builtin_return): Likewise.
11171         * cfgbuild.c (count_basic_blocks): Likewise.
11172         * cfgrtl.c (rtl_flow_call_edges_add): Likewise.
11173         * explow.c (emit_stack_restore): Likewise.
11174         * expmed.c (extract_bit_field_1): Likewise.
11175         * expr.c (convert_move, emit_move_complex_parts): Likewise.
11176         (emit_move_multi_word, store_constructor): Likewise.
11177         * function.c (do_clobber_return_reg, do_use_return_reg): Likewise.
11178         (thread_prologue_and_epilogue_insns): Likewise.
11179         * lower-subreg.c (resolve_simple_move): Likewise.
11180         * optabs.c (widen_operand, expand_binop): Likewise.
11181         (expand_doubleword_bswap, emit_no_conflict_block): Likewise.
11182         * reload.c (find_reloads): Likewise.
11183         * reload1.c (eliminate_regs_in_insn): Likewise.
11184         * stmt.c (expand_nl_goto_receiver): Likewise.
11185         * config/alpha/alpha.md (builtin_longjmp): Likewise.
11186         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
11187         * config/arm/arm.c (arm_load_pic_register): Likewise.
11188         (thumb1_expand_epilogue, thumb_set_return_address): Likewise.
11189         * config/arm/arm.md (untyped_return): Likewise.
11190         * config/arm/linux-elf.h (PROFILE_HOOK): Likewise.
11191         * config/avr/avr.c (expand_prologue): Likewise.
11192         * config/bfin/bfin.c (do_unlink): Likewise.
11193         * config/bfin/bfin.md (<optab>di3, adddi3, subdi3): Likewise.
11194         * config/cris/cris.c (cris_expand_prologue): Likewise.
11195         * config/darwin.c (machopic_indirect_data_reference): Likewise.
11196         (machopic_legitimize_pic_address): Likewise.
11197         * config/frv/frv.c (frv_frame_access, frv_expand_epilogue): Likewise.
11198         (frv_ifcvt_modify_insn, frv_expand_mdpackh_builtin): Likewise.
11199         * config/i386/i386.c (ix86_expand_vector_move_misalign): Likewise.
11200         (ix86_expand_convert_uns_didf_sse): Likewise.
11201         (ix86_expand_vector_init_general): Likewise.
11202         * config/ia64/ia64.md (eh_epilogue): Likewise.
11203         * config/iq2000/iq2000.c (iq2000_expand_epilogue): Likewise.
11204         * config/m32c/m32c.c (m32c_emit_eh_epilogue): Likewise.
11205         * config/m32r/m32r.c (m32r_reload_lr): Likewise.
11206         (config/iq2000/iq2000.c): Likewise.
11207         * config/mips/mips.md (fixuns_truncdfsi2): Likewise.
11208         (fixuns_truncdfdi2, fixuns_truncsfsi2, fixuns_truncsfdi2): Likewise.
11209         (builtin_longjmp): Likewise.
11210         * config/mn10300/mn10300.md (call, call_value): Likewise.
11211         * config/pa/pa.md (nonlocal_goto, nonlocal_longjmp): Likewise.
11212         * config/pdp11/pdp11.md (abshi2): Likewise.
11213         * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
11214         * config/s390/s390.c (s390_emit_prologue): Likewise.
11215         * config/s390/s390.md (movmem_long, setmem_long): Likewise.
11216         (cmpmem_long, extendsidi2, zero_extendsidi2, udivmoddi4): Likewise.
11217         (builtin_setjmp_receiver, restore_stack_nonlocal): Likewise.
11218         * config/sh/sh.c (prepare_move_operands): Likewise.
11219         (output_stack_adjust, sh_expand_epilogue): Likewise.
11220         (sh_set_return_address, sh_expand_t_scc): Likewise.
11221         * config/sparc/sparc.c (load_pic_register): Likewise.
11222         * config/sparc/sparc.md (untyped_return, nonlocal_goto): Likewise.
11223         * config/spu/spu.c (spu_expand_epilogue): Likewise.
11224         * config/v850/v850.c (expand_epilogue): Likewise.
11226 2008-05-31  Anatoly Sokolov  <aesok@post.ru>
11228         * config/avr/avr.md (UNSPECV_WRITE_SP_IRQ_ON): New constants.
11229         (UNSPECV_WRITE_SP_IRQ_OFF): (Ditto.).
11230         (movhi_sp_r_irq_off, movhi_sp_r_irq_on): New insn.
11231         * config/avr/avr.c (expand_prologue, expand_epilogue): Use
11232         movhi_sp_r_irq_off and movhi_sp_r_irq_on insns for writing to the
11233         stack pointer register.
11234         (output_movhi): Remove code for interrupt specific writing to the
11235         stack pointer register.
11237 2008-05-31  Richard Guenther  <rguenther@suse.de>
11239         PR tree-optimization/34244
11240         * fold-const.c (tree_expr_nonnegative_warnv_p): Do not ask VRP.
11241         (tree_expr_nonzero_warnv_p): Likewise.
11242         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
11243         ssa_name_nonnegative_p.
11244         (vrp_expr_computes_nonzero): Call ssa_name_nonzero_p.
11245         (extract_range_from_unary_expr): Use vrp_expr_computes_nonzero,
11246         not tree_expr_nonzero_warnv_p.
11248         PR tree-optimization/36262
11249         Revert
11250         2007-11-29  Zdenek Dvorak  <ook@ucw.cz>
11252         PR tree-optimization/34244
11253         * tree-vrp.c (adjust_range_with_scev): Clear scev cache.
11254         (record_numbers_of_iterations): New function.
11255         (execute_vrp): Cache the numbers of iterations of loops.
11256         * tree-scalar-evolution.c (scev_reset_except_niters):
11257         New function.
11258         (scev_reset): Use scev_reset_except_niters.
11259         * tree-scalar-evolution.h (scev_reset_except_niters): Declare.
11261 2008-05-31  Bernd Schmidt  <bernd.schmidt@analog.com>
11263         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11264         __WORKAROUND_RETS when appropriate.
11266 2008-05-31  Uros Bizjak  <ubizjak@gmail.com>
11268         * config/i386/i386.md (*fop_<mode>_comm_mixed): Macroize from
11269         *fop_sf_comm_mixed and *fop_df_comm_mixed insn patterns using MODEF
11270         mode iterator.
11271         (*fop_<mode>_comm_sse): Macroize from *fop_sf_comm_sse and
11272         *fop_df_comm_sse insn patterns using MODEF mode iterator.
11273         (*fop_<mode>_comm_i387): Macroize from *fop_sf_comm_i387 and
11274         *fop_df_comm_i387 insn patterns using MODEF mode iterator.
11275         (*fop_<mode>_1_mixed): Macroize from *fop_sf_1_mixed and
11276         *fop_df_1_mixed insn patterns using MODEF mode iterator.
11277         (*fop_<mode>_1_sse): Macroize from *fop_sf_1_sse and
11278         *fop_df_1_sse insn patterns using MODEF mode iterator.
11279         (*fop_<mode>_1_i387): Macroize from *fop_sf_1_i387 and
11280         *fop_df_1_i387 insn patterns using MODEF mode iterator.
11281         (*fop_<MODEF:mode>_2_i387): Macroize from *fop_sf_2<mode>_i387 and
11282         *fop_df_2<mode>_i387 insn patterns using MODEF mode iterator.
11283         (*fop_<MODEF:mode>_3_i387): Macroize from *fop_sf_3<mode>_i387 and
11284         *fop_df_3<mode>_i387 insn patterns using MODEF mode iterator.
11285         (*fop_xf_2_i387): Rename from *fop_xf_2<mode>_i387.
11286         (*fop_xf_3_i387): Rename from *fop_xf_3<mode>_i387.
11287         (*fop_xf_4_i387): Use <MODE> for mode attribute.
11288         (*fop_xf_5_i387): Ditto.
11289         (*fop_xf_6_i387): Ditto.
11291 2008-05-30  Richard Guenther  <rguenther@suse.de>
11293         * builtins.c (build_string_literal): Avoid generating
11294         a non-gimple_val result.
11296 2008-05-30  DJ Delorie  <dj@redhat.com>
11298         * exec-tool.in: Use an environment variable (private) instead of a
11299         file (shared) as a semaphore, so as to not break parallel builds.
11301 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
11303         * optabs.c (maybe_encapsulate_block): Remove.
11304         (emit_libcall_block): Adjust accordingly.
11305         * optabs.h (maybe_encapsulate_block): Remove prototype.
11307         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address):
11308         Don't use maybe_encapsulate_block.
11310 2008-05-30  Steven Bosscher  <stevenb.gcc@gmail.com>
11312         * config/rs6000/rs6000.c (rs6000_legitimize_address,
11313         rs6000_legitimize_reload_address, rs6000_emit_move): Make sure an
11314         rtx is a SYMBOL_REF before calling get_pool_constant.
11316 2008-05-30  Eric Botcazou  <ebotcazou@adacore.com>
11318         * fold-const.c (fold_unary) <CASE_CONVERT>: Add ??? comment.
11320 2008-05-30  Danny Smith  <dannysmith@users.sourceforge.net>
11322         * incpath.c: Use HOST_LACKS_INODE_NUMBERS conditional
11323         rather than OS names to choose INO_T_EQ definition.
11324         (DIRS_EQ) [!INO_T_EQ]: Don't worry about case in comparison.
11325         (add_path) [!INO_T_EQ]: Use lrealpath to fill canonical_name field.
11327 2008-05-29  Daniel Franke  <franke.daniel@gmail.com>
11329         PR target/36348
11330         * config/darwin-f.c: New.
11331         * config/t-darwin: Added rule to build darwin-f.o.
11332         * config.gcc: Defined new variable, fortran_target_objs.
11333         (*-*-darwin*): Set fortran_target_objs.
11334         * Makefile.in: Defined new variable FORTRAN_TARGET_OBJS.
11335         * configure.ac: Substitute fortran_target_objs, set FORTRAN_TARGET_OBJS.
11336         * configure: Regenerated.
11338 2008-05-29  H.J. Lu  <hongjiu.lu@intel.com>
11340         PR target/35771
11341         * config/i386/i386.c (ix86_function_arg_boundary): Convert to
11342         canonical type if needed.
11344 2008-05-29  Eric Botcazou  <ebotcazou@adacore.com>
11346         * tree-nested.c (check_for_nested_with_variably_modified): Fix typo.
11348 2008-05-29  Richard Guenther  <rguenther@suse.de>
11350         PR tree-optimization/36343
11351         PR tree-optimization/36346
11352         PR tree-optimization/36347
11353         * tree-flow.h (clobber_what_p_points_to): Declare.
11354         * tree-ssa-structalias.c (set_uids_in_ptset): Whether the
11355         pointed-to variable is dereferenced is irrelevant to whether
11356         the pointer can access the pointed-to variable.
11357         (clobber_what_p_points_to): New function.
11358         * tree-ssa-alias.c (set_initial_properties): Use it.
11359         * tree-ssa.c (verify_flow_sensitive_alias_info): Adjust
11360         call clobber check for NMTs.
11362 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
11364         * value-prof.c (tree_ic_transform): Use HOST_WIDEST_INT_PRINT_DEC
11365         for printing gcov_type.
11367 2008-05-28  Seongbae Park  <seongbae.park@gmail.com>
11369         * tree-ssa-propagate.c (set_rhs): Preserve the histogram
11370         and the eh region information.
11371         * value-prof.c (gimple_move_stmt_histograms): New function.
11372         * value-prof.h (gimple_move_stmt_histograms): New function declaration.
11374 2008-05-28  Andreas Tobler  <a.tobler@schweiz.org>
11376         * config/pa/pa.md: Remove extern frame_pointer_needed declaration.
11378 2008-05-28  Seongbae Park <seongbae.park@gmail.com>
11380         * value-prof.c (tree_ic_transform): Print counts.
11381         * tree-profile.c (tree_gen_ic_func_profiler):
11382         Clear __gcov_indreict_call_callee variable to avoid misattribution
11383         of the profile.
11385 2008-05-28  Rafael Espindola  <espindola@google.com>
11387         * see.c (see_def_extension_not_merged): Use copy_rtx_if_shared to avoid
11388         invalid sharing.
11390 2008-05-28  Richard Guenther  <rguenther@suse.de>
11392         PR tree-optimization/36339
11393         * tree-ssa-alias.c (set_initial_properties): Move pt_anything
11394         and clobbering code out of the loop.
11396 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11398         * config/s390/constraints.md ('b', 'C', 'D', 'e'): New constraint
11399         letters defined.
11401         * config/s390/s390.c (s390_compare_and_branch_condition_mask,
11402         s390_contiguous_bitmask_p, s390_symref_operand_p,
11403         s390_check_symref_alignment, s390_reload_larl_operand,
11404         s390_reload_symref_address): New functions.
11405         (s390_branch_condition_mnemonic): Support compare and branch
11406         instructions.
11407         (s390_mem_constraint): Avoid symrefs to accepted by the 'T'
11408         and 'W' constraints.
11409         (s390_secondary_reload): Add secondary reloads for unaligned
11410         symbol refs or symbol refs to floating point or QI/TI mode
11411         integer values.
11412         (legitimate_address_p): Accept symbol references as addresses.
11413         (s390_expand_insv): Use rotate and insert selected bits
11414         instruction for insv when building for z10.
11415         (print_operand_address): Handle symbol ref addresses.
11416         (print_operand): Output modifier 'c' added for signed byte values.
11417         (s390_encode_section_info): Mark symbol refs with
11418         SYMBOL_FLAG_NOT_NATURALLY_ALIGNED if appropriate.
11420         * config/s390/s390.md (SIL,RRS,RIS): New instruction formats added.
11421         (length attribute): RRF, RRR have 4 byte length.
11422         (FPALL, INTALL): New mode iterators added.
11423         (*tstdi_sign, *cmpdi_ccs_sign, *cmpsi_ccs_sign,
11424         *cmp<mode>_ccs, *cmpdi_ccu_zero, *cmpdi_ccu, *cmpsi_ccu, *cmphi_ccu,
11425         *movdi_64, *movsi_zarch, *movhi, movmem<mode>, *movmem_short,
11426         *extendsidi2, *extendhidi2_extimm, *extendhisi2_extimm,
11427         *zero_extendsidi2, adddi3, *adddi3_31z, *adddi3_31, addsi3,
11428         *add<mode>3, *add<mode>3_carry1_cc, *add<mode>3_carry2_cc,
11429         *add<mode>3_cc, *add<mode>3_imm_cc, *muldi3_sign, muldi3,
11430         *mulsi3_sign, mulsi3, mulsidi3): Patterns enhanced with z10
11431         instructions.
11432         (*cmphi_ccs_z10, *cmpdi_ccs_signhi_rl, *cmpsi_ccu_zerohi_rlsi,
11433         *cmp<GPR:mode>_ccu_zerohi_rldi, *cmp_and_br_signed_<mode>,
11434         *cmp_and_br_unsigned_<mode>, reload<INTALL:mode><P:mode>_tomem_z10,
11435         reload<INTALL:mode><P:mode>_toreg_z10,
11436         reload<FPALL:mode><P:mode>_tomem_z10,
11437         reload<FPALL:mode><P:mode>_toreg_z10,
11438         reload<P:mode>_larl_odd_addend_z10, *execute_rl, *insv<mode>_z10,
11439         *insv<mode>_z10_noshift, *insv<mode>_or_z10_noshift,
11440         *zero_extendhi<mode>2_z10, *cmp_and_trap_signed_int<mode>,
11441         *cmp_and_trap_unsigned_int<mode>, prefetch): New pattern or expander
11442         definition.
11443         (movmem, clrmem, cmpmem): New splitters added.
11445         * config/s390/predicates.md (larl_operand): Use
11446         SYMBOL_REF_FLAGS (op) & SYMBOL_FLAG_ALIGN1 replaced with
11447         SYMBOL_REF_ALIGN1_P.
11448         (s390_signed_integer_comparison,
11449         s390_unsigned_integer_comparison): New predicates.
11451         * config/s390/s390-protos.h (s390_check_symref_alignment,
11452         s390_contiguous_bitmask_p, s390_reload_larl_operand,
11453         s390_reload_symref_address,
11454         s390_compare_and_branch_condition_mask): Prototypes added.
11456         * config/s390/s390.h (TARGET_MEM_CONSTRAINT,
11457         SYMBOL_REF_ALIGN1_P, SYMBOL_FLAG_NOT_NATURALLY_ALIGNED,
11458         SYMBOL_REF_NOT_NATURALLY_ALIGNED_P): Macro definition added.
11460 2008-05-28  Andreas Krebbel  <krebbel1@de.ibm.com>
11462         * config/s390/s390.c (z10_cost): New cost function for z10.
11463         (s390_handle_arch_option, override_options): Support -march=z10 switch.
11464         (s390_issue_rate): Adjust issue rate for z10.
11465         * config/s390/s390.h (processor_type): Add PROCESSOR_2097_Z10.
11466         (processor_flags): Add PF_Z10.
11467         (TARGET_CPU_Z10, TARGET_Z10): New macro definitions.
11468         * config/s390/s390.md (cpu, cpu_facility attributes): Add z10.
11469         * gcc/config.gcc: Add z10.
11471 2008-05-28  Richard Guenther  <rguenther@suse.de>
11473         PR tree-optimization/36291
11474         * tree-flow. h (struct gimple_df): Remove var_anns member.
11475         * tree-flow-inline.h (gimple_var_anns): Remove.
11476         (var_ann): Simplify.
11477         * tree-dfa.c (create_var_ann): Simplify.
11478         (remove_referenced_var): Clear alias info from var_anns of globals.
11479         * tree-ssa.c (init_tree_ssa): Do not allocate var_anns.
11480         (delete_tree_ssa): Clear alias info from var_anns of globals.
11481         Do not free var_anns.
11482         (var_ann_eq): Remove.
11483         (var_ann_hash): Likewise.
11485 2008-05-28  Mark Shinwell  <shinwell@codesourcery.com>
11487         * config/mips/mips.c (mips_cpu_info_table): Add loongson2e
11488         and loongson2f entries.
11489         (mips_rtx_cost_data): Add entries for Loongson-2E/2F.
11490         * config/mips/mips.h (processor_type): Add Loongson-2E
11491         and Loongson-2F entries.
11492         (TARGET_LOONGSON_2E, TARGET_LOONGSON_2F, TARGET_LOONGSON_2EF): New.
11493         (MIPS_ISA_LEVEL_SPEC): Handle Loongson-2E/2F.
11494         * config/mips/mips.md (define_attr cpu): Add loongson2e and loongson2f.
11495         * doc/invoke.texi (MIPS Options): Document loongson2e
11496         and loongson2f processor names.
11498 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
11500         PR target/35767
11501         PR target/35771
11502         * config/i386/i386.c (ix86_function_arg_boundary): Use
11503         alignment of canonical type.
11504         (ix86_expand_vector_move): Check unaligned memory access for
11505         all SSE modes.
11507 2008-05-27  H.J. Lu  <hongjiu.lu@intel.com>
11509         * dwarf2out.c (current_fde): Change return type to dw_fde_ref.
11510         Moved to the front of file.
11512 2008-05-27  Xuepeng Guo  <xuepeng.guo@intel.com>
11513             H.J. Lu  <hongjiu.lu@intel.com>
11515         * dwarf2out.c (current_fde): New.
11516         (add_cfi): Use it.
11517         (lookup_cfa:): Likewise.
11518         (dwarf2out_end_epilogue): Likewise.
11519         (dwarf2out_note_section_used): Likewise.
11521 2008-05-27  Michael Matz  <matz@suse.de>
11523         PR c++/27975
11524         * c.opt (Wenum-compare): New warning option.
11525         * doc/invoke.texi  (Warning Options): Document -Wenum-compare.
11527 2008-05-27  Michael Matz  <matz@suse.de>
11529         PR middle-end/36326
11530         * tree-gimple.c (is_gimple_mem_rhs): Remove work-around for
11531         non-BLKmode types.
11532         * tree-tailcall.c (find_tail_calls): Don't mark calls storing
11533         into memory as tail calls.
11535 2008-05-27  Richard Guenther  <rguenther@suse.de>
11537         PR tree-optimization/36339
11538         * tree-ssa-alias.c (set_initial_properties): Escaped pt_anything
11539         pointers cause all addressable variables to be call clobbered.
11541 2008-05-27  Richard Guenther  <rguenther@suse.de>
11543         PR tree-optimization/36245
11544         * tree-ssa-address.c (add_to_parts): Deal with non-pointer bases.
11546 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11548         * config/s390/s390.md: Replace all occurences of the 'm'
11549         constraint with 'RT'.
11551 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11553         * config/s390/s390.md ("cpu_facility", "enabled"): Attribute
11554         definitions added.
11555         ("*movdi_64dfp", "*movdi_64extimm", "*movdi_64"): Merged into
11556         "*movdi_64".
11557         ("*anddi3_extimm", "*anddi3"): Merged into "*anddi3".
11558         ("*iordi3_extimm", "*iordi3"): Merged into "*iordi3".
11559         ("*xordi3_extimm", "*xordi3"): Merged into "*xordi3".
11561 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11563         * reload.c: (find_reloads): Skip alternatives according to the
11564         "enabled" attribute. Constify the constraint variable.
11565         * recog.c (get_attr_enabled): Add default implementation.
11566         (extract_insn): Set the alternative_enabled_p array
11567         in the recog_data struct.
11568         (preprocess_constraints, constrain_operands): Skip
11569         alternatives according to the "enabled" attribute
11570         * recog.h (struct recog_data): New field alternative_enabled_p.
11571         (skip_alternative): New inline function.
11572         * regclass.c: (record_operand_costs): Check the "enabled" attribute.
11573         (record_reg_classes): Skip alternative according to the
11574         "enabled" attribute.
11576         * doc/md.texi: Add documention for the "enabled" attribute.
11578 2008-05-27  Andreas Krebbel  <krebbel1@de.ibm.com>
11580         * defaults.h (TARGET_MEM_CONSTRAINT): New target macro added.
11581         * postreload.c (reload_cse_simplify_operands): Replace 'm'
11582         constraint with TARGET_MEM_CONSTRAINT.
11583         * recog.c (asm_operand_ok, preprocess_constraints,
11584         constrain_operands): Likewise.
11585         * regclass.c (record_reg_classes): Likewise.
11586         * reload.c (find_reloads, alternative_allows_const_pool_ref): Likewise.
11587         * reload1.c (maybe_fix_stack_asms): Likewise.
11588         * stmt.c (parse_output_constraint, parse_input_constraint): Likewise.
11589         * recog.h: Adjust comment.
11590         * genpreds.c (generic_constraint_letters): Remove 'm' constraint.
11591         * genoutput.c (note_constraint): Don't emit error for 'm' constraint.
11592         * doc/md.texi: Add a note to description of 'm' constraint.
11593         * doc/tm.texi: Document the new TARGET_MEM_CONSTRAINT macro.
11595 2008-05-27  Eric Botcazou  <ebotcazou@adacore.com>
11597         * tree-sra.c (sra_type_can_be_decomposed_p) <RECORD_TYPE>: Make sure
11598         that the bitfield is of integral type before testing its precision.
11600 2008-05-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
11601             Sa Liu  <saliu@de.ibm.com>
11603         * config/spu/spu.c (spu_init_libfuncs): Add __multi3, __divti3,
11604         __modti3, __udivti3, __umodti3 and __udivmodti4.
11605         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add files
11606         that implement TImode mul and div functions.
11607         * config/spu/multi3.c: New. Implement __multi3.
11608         * config/spu/divmodti4.c: New. Implement _udivmodti4 and others.
11609         * testsuite/gcc.target/spu/muldivti3.c: New. Test TImode mul and div
11610         functions on SPU.
11612 2008-05-26  Steven Bosscher  <stevenb.gcc@gmail.com>
11614         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Generate
11615         new tls_gd_* and tls_ld_* insns instead of an insn sequence.
11616         * config/rs6000/rs6000.md (TLSmode, tls_abi_suffix, tls_insn_suffix,
11617         tls_sysv_suffix): New mode and mode attribute iterators.
11618         (tls_gd_32, tls_gd_64, tls_ld_32, tls_ld_64): Remove.
11619         (lts_gd_aix*, tls_gd_sysv*, tls_ld_aix*, tls_ld_sysv*): New patterns.
11620         (tls_dtprel_*, tls_dtprel_ha_*, tls_dtprel_lo_*, tls_got_dtprel_*,
11621         tls_tprel_*, tls_tprel_ha_*, tls_tprel_lo_*, tls_got_tprel_*,
11622         tls_tls_*): Merge 32 bit and 64 bit variants using aforementioned
11623         iterators.
11625 2008-05-26  Eric Botcazou  <ebotcazou@adacore.com>
11627         PR tree-optimization/36329
11628         * tree.h (CALL_CANNOT_INLINE_P): Add access check.
11629         * tree-gimple.h (CALL_STMT_CANNOT_INLINE_P): New macro.
11630         * cgraphbuild.c (initialize_inline_failed): Use the latter
11631         macro in lieu of the former.
11632         * ipa-inline.c (cgraph_mark_inline): Likewise.
11633         (cgraph_decide_inlining_of_small_function): Likewise.
11634         (cgraph_decide_inlining): Likewise.
11635         (cgraph_decide_inlining_incrementally): Likewise.
11637 2008-05-26  Tristan Gingold  <gingold@adacore.com>
11638             Anatoly Sokolov  <aesok@post.ru>
11640         * config/avr/avr.md ("call_prologue_saves"): Use hi8(gs())/lo8(gs())
11641         instead of pm_lo8/pm_hi8 to makes this call working on avr6.
11642         * config/avr/avr.c (expand_prologue): Tune "call_prologue"
11643         optimization for 'avr6' architecture.
11645 2008-05-26  Andy Hutchinson  <hutchinsonandy@aim.com>
11647         PR target/34932
11648         * config/avr/avr.md (*addhi3_zero_extend2): Remove.
11650 2008-05-26  Richard Guenther  <rguenther@suse.de>
11652         * tree-ssa-sccvn.c (expr_has_constants): Declare.
11653         (visit_reference_op_load): Initialize VN_INFO->has_constants properly.
11655 2008-05-26  H.J. Lu  <hongjiu.lu@intel.com>
11657         PR middle-end/36253
11658         * caller-save.c (insert_restore): Verify alignment of spill space.
11659         (insert_save): Likewise.
11660         * cfgexpand.c (LOCAL_ALIGNMENT): Removed.
11661         * defaults.h (LOCAL_ALIGNMENT): New. Provide default.
11662         (STACK_SLOT_ALIGNMENT): Likewise.
11663         * function.c (LOCAL_ALIGNMENT): Removed.
11664         (get_stack_local_alignment): New.
11665         (assign_stack_local): Use it.  Set alignment on stack slot.
11666         (assign_stack_temp_for_type): Use get_stack_local_alignment.
11667         * config/i386/i386.h (LOCAL_ALIGNMENT): Updated.
11668         (STACK_SLOT_ALIGNMENT): New.
11669         * config/i386/i386.c (ix86_local_alignment): Handle caller-save
11670         stack slot in XFmode.
11672         * doc/tm.texi (STACK_SLOT_ALIGNMENT): New.
11674 2008-05-26  Kai Tietz  <kai.tietz@onevision.com>
11676         PR/36321
11677         * config/i386/i386.md (allocate_stack_worker_64): Make sure
11678         argument operand in rax isn't removed.
11680 2008-05-26  Richard Guenther  <rguenther@suse.de>
11682         PR middle-end/36300
11683         * fold-const.c (extract_muldiv_1): Use TYPE_OVERFLOW_WRAPS,
11684         not TYPE_UNSIGNED.  Use TYPE_PRECISION instead of GET_MODE_SIZE.
11686 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11688         PR bootstrap/36331
11689         * c-cppbuiltin.c (define__GNUC__): Re-add definition of __GNUG__.
11691 2008-05-26  Dominique Dhumieres  <dominiq@lps.ens.fr>
11693         * config/darwin-c.c: Include "incpath.h" instead of "c-incpath.h".
11694         * config/t-darwin: Use "incpath.h" instead of "c-incpath.h".
11696 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11698         * tree-nested.c (convert_tramp_reference) <ADDR_EXPR>: Do not
11699         build a trampoline if we don't want one.
11700         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Do not
11701         return zero for nested functions if we don't want a trampoline.
11703 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11705         * doc/invoke.texi: Added f77, f77-cpp-input to list of file types.
11707 2008-05-26  Daniel Franke  <franke.daniel@gmail.com>
11709         PR fortran/18428
11710         * c.opt: Removed undocumented option '-lang-fortran'.
11711         * c-common.h: Removed global variable 'lang_fortran'.
11712         * c-opts.c (c_common_handle_option): Removed code to handle
11713         option '-lang-fortran'. Updated includes.
11714         * c-cppbuiltin.c (c_cpp_builtins): Removed conditional
11715         definition of '__GFORTRAN__'.
11716         (define__GNUC__): Reimplemented to use BASEVER and
11717         cpp_define_formatted.
11718         (builtin_define_with_value_n): Removed.
11719         * c-incpath.h: Renamed to ...
11720         * incpath.h: ... this.
11721         * c-incpath.c: Renamed to ...
11722         * incpath.c: ... this. Updated includes.
11723         * fix-header.c: Updated includes.
11724         * Makefile.in: Replaced c-incpath.[ch] by incpath.[ch].
11725         (c-cppbuiltin.o): Added dependency on and definition of BASEVER.
11726         (OBJ-archive): Added cppdefault.o, incpath.o and prefix.o.
11728 2008-05-25  Eric Botcazou  <ebotcazou@adacore.com>
11730         * tree.h: Update the table of flags used on tree nodes.
11731         (TREE_NO_TRAMPOLINE): New accessor for static_flag.
11732         (SAVE_EXPR_RESOLVED_P): Use automatically-built access check.
11733         (FORCED_LABEL): Add access check.
11734         (CALL_EXPR_RETURN_SLOT_OPT): Likewise.
11735         (ASM_INPUT_P): Likewise.
11736         (ASM_VOLATILE_P): Likewise.
11737         (EH_FILTER_MUST_NOT_THROW): Access static_flag directly.
11738         (OMP_SECTION_LAST): Access private_flag directly.
11739         (OMP_RETURN_NOWAIT): Likewise.
11740         (OMP_PARALLEL_COMBINED): Likewise.
11741         (OMP_CLAUSE_PRIVATE_DEBUG): Access public_flag directly.
11742         (OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE): Likewise.
11743         * tree-ssa-propagate.c (STMT_IN_SSA_EDGE_WORKLIST): Access
11744         deprecated_flag directly.
11746 2008-05-25  H.J. Lu  <hongjiu.lu@intel.com>
11748         * final.c (frame_pointer_needed): Removed.
11749         * flags.h (frame_pointer_needed): Likewise.
11751         * function.h (rtl_data): Add frame_pointer_needed.
11752         (frame_pointer_needed): New.
11754 2008-05-25  Arthur Loiret  <arthur.loiret@u-psud.fr>
11756         * config.gcc (sh2[lbe]*-*-linux*): Allow target.
11758 2008-05-25  Steven Bosscher  <stevenb.gcc@gmail.com>
11760         * gcse.c (hash_scan_set): Do not pick up a REG_EQUAL value if
11761         SRC is a REG.
11763 2008-05-25  Alan Modra  <amodra@bigpond.net.au>
11765         * c-common.c (strip_array_types): Move function to..
11766         * tree.c: ..here.
11767         (get_inner_array_type): Delete.
11768         * c-common.h (strip_array_types): Move declaration to..
11769         * tree.h: ..here.
11770         (get_inner_array_type): Delete.
11771         * config/i386/i386.c (x86_field_alignment): Use strip_array_types.
11772         * config/rs6000/aix.h (ADJUST_FIELD_ALIGN): Likewise.
11773         * config/rs6000/linux64.h (ADJUST_FIELD_ALIGN): Likewise.
11774         * config/pa/pa.c (emit_move_sequence): Likewise.
11776 2008-05-24  H.J. Lu  <hongjiu.lu@intel.com>
11778         * config/i386/i386.md (*sse_prologue_save_insn): Set length
11779         attribute to 34.
11781 2008-05-24  Andy Hutchinson  <hutchinsonandy@aim.com>
11783         * function.c: Include target hook for nonlocal_goto frame value.
11785 2008-05-24  Richard Guenther  <rguenther@suse.de>
11787         * tree-dfa.c (refs_may_alias_p): Re-instantiate case that a scalar
11788         variable can be only accessed through a pointer or a union.
11790 2008-05-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11792         * builtins.c (fold_builtin_fpclassify): Fix spelling of FP_INFINITE.
11793         * doc/extend.texi: Likewise.
11795 2008-05-23  DJ Delorie  <dj@redhat.com>
11797         * config/m32c/jump.md (untyped_call): Add.
11799         * config/m32c/m32c.c (m32c_return_addr_rtx): Change pointer type
11800         for A24 to PSImode.
11801         (m32c_address_cost): Detail costs for indirect offsets.
11803 2008-05-23  Rafael Espindola  <espindola@google.com>
11805         * see.c (see_get_extension_data): Don't use SUBREG_REG to test
11806         if a node is a SUBREG.
11807         (see_analyze_one_def): Don't use SUBREG_REG to test if a node
11808         is a SUBREG.
11810 2008-05-23  Paul Brook  <paul@codesourcery.com>
11811             Carlos O'Donell  <carlos@codesourcery.com>
11813         * doc/extend.texi: Clarify use of __attribute__((naked)).
11814         * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
11815         * target.h (gcc_target): Add allocate_stack_slots_for_args.
11816         * function.c (use_register_for_decl): Use
11817         targetm.calls.allocate_stack_slots_for_args.
11818         * target-def.h (TARGET_CALLS): Add TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
11819         * config/arm/arm.c (arm_allocate_stack_slots_for_args): New function.
11820         (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
11822 2008-05-23  Eric Botcazou  <ebotcazou@adacore.com>
11824         * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
11826 2008-05-23  Steven Munroe  <sjmunroe@us.ibm.com>
11828         * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
11829         PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
11830         is only rounded once.
11832 2008-05-23  Richard Guenther  <rguenther@suse.de>
11834         * tree-ssa-operands.c (mark_difference_for_renaming): Use bitmap_xor.
11836 2008-05-23  Uros Bizjak  <ubizjak@gmail.com>
11837             Jakub Jelinek  <jakub@redhat.com>
11839         PR target/36079
11840         * configure.ac: Handle --enable-cld.
11841         * configure: Regenerated.
11842         * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
11843         * config/i386/i386.h (struct machine_function): Add needs_cld field.
11844         (ix86_current_function_needs_cld): New define.
11845         * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
11846         (cld): New isns pattern.
11847         (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
11848         cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
11849         * config/i386/i386.opt (mcld): New option.
11850         * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
11851         TARGET_CLD and ix86_current_function_needs_cld.
11852         (override_options): Use -mcld by default for 32-bit code if
11853         USE_IX86_CLD.
11855         * doc/install.texi (Options specification): Document --enable-cld.
11856         * doc/invoke.texi (Machine Dependent Options)
11857         [i386 and x86-64 Options]: Add -mcld option.
11858         (Intel 386 and AMD x86-64 Options): Document -mcld option.
11860 2008-05-23  Kai Tietz  <kai.tietz@onevison.com>
11861         * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
11862         (return_in_memory_64): Likewise.
11863         (return_in_memory_ms_64): Likewise.
11865 2008-05-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11867         * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
11868         * builtins.c (fold_builtin_fpclassify): New.
11869         (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
11870         * builtins.def (BUILT_IN_FPCLASSIFY): New.
11871         * c-common.c (handle_type_generic_attribute): Adjust to accept
11872         fixed arguments before an elipsis.
11873         (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
11874         * doc/extend.texi: Document __builtin_fpclassify.
11876 2008-05-22  Aldy Hernandez  <aldyh@redhat.com>
11878         * omp-low.c (gate_expand_omp_ssa): Remove.
11879         (pass_expand_omp_ssa): Remove.
11880         (gate_expand_omp): Do not check for flag_openmp_ssa.
11881         * common.opt (-fopenmp-ssa): Remove.
11882         * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
11884 2008-05-22  Kaz Kojima  <kkojima@gcc.gnu.org>
11886         * config/sh/sh.opt (mfixed-range): New option.
11887         * config/sh/sh-protos.h (sh_fix_range): Declare.
11888         * config/sh/sh.c (sh_fix_range): New function.
11889         * config/sh/sh.h (sh_fixed_range_str): Declare.
11890         (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
11891         is not empty.
11892         * doc/invoke.texi (SH Options): Document -mfixed-range.
11894 2008-05-22  Kai Tietz  <kai.tietz@onevision.com>
11896         * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
11897         it before the redeclaration.
11899 2008-05-22  Anatoly Sokolov <aesok@post.ru>
11901         * config/avr/avr.c (get_sequence_length): Add new function.
11902         (expand_prologue, expand_epilogue): Remove duplicate code.
11904 2008-05-22  Rafael Espindola  <espindola@google.com>
11906         * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
11907         sharing.
11909 2008-05-22  H.J. Lu  <hongjiu.lu@intel.com>
11911         * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
11912         * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
11914         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
11915         UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
11916         (vect_update_misalignment_for_peel): Likewise.
11917         (vector_alignment_reachable_p): Likewise.
11918         * tree-vect-transform.c (vectorizable_load): Likewise.
11919         * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
11920         (get_vectype_for_scalar_type): Pass mode of scalar_type
11921         to UNITS_PER_SIMD_WORD.
11923         * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
11924         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
11925         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
11926         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
11927         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
11929 2008-05-22  Ira Rosen  <irar@il.ibm.com>
11931         PR tree-optimization/36293
11932         * tree-vect-transform.c (vect_transform_strided_load): Don't check
11933         if the first load must be skipped because of a gap.
11935 2008-05-22  Richard Guenther  <rguenther@suse.de>
11937         * tree-dfa.c (refs_may_alias_p): Exit early if possible.  Handle
11938         more cases of offset disambiguation that is possible if
11939         strict-aliasing rules apply.
11940         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
11941         for basic offset and type-based disambiguation.
11943 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11945         * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
11946         ix86_expand_vector_set on V16QImode for SSE4.1.
11948 2008-05-21  Tom Tromey  <tromey@redhat.com>
11950         * c.opt (Wimport): Mark as undocumented.
11951         * doc/invoke.texi (Option Summary): Don't mention -Wimport or
11952         -Wno-import.
11953         (Warning Options): Likewise.
11954         * doc/cppopts.texi: Don't mention -Wimport.
11956 2008-05-21  Sebastian Pop  <sebastian.pop@amd.com>
11958         PR tree-optimization/36287
11959         PR tree-optimization/36286
11960         * lambda-code.c (build_access_matrix): Do not use the loop->num
11961         for computing the number of induction variables: use the loop depth
11962         instead.
11964 2008-05-21  Kai Tietz  <kai.tietz@onevision.com>
11966         PR/36280
11967         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
11968         option -f(no-)leading-underscore.
11970 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11972         * config/i386/i386.c (ix86_expand_vector_init_general): Use
11973         GET_MODE_NUNITS (mode).
11975 2008-05-21  Peter Bergner  <bergner@vnet.ibm.com>
11977         * doc/invoke.texi: Add cpu_type's 464 and 464fp.
11978         (-mmulhw): Add 464 to description.
11979         (-mdlmzb): Likewise.
11980         * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
11981         * config/rs6000/rs6000.c (processor_target_table): Add 464 and
11982         464fp entries.
11983         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
11984         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
11985         * config/rs6000/rs6000.md: Update comments for 464.
11987 2008-05-21  Janis Johnson  <janis187@us.ibm.com>
11989         * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
11991 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
11993         * config/i386/sse.md (vec_extractv4sf): Removed.
11994         (vec_extractv2df): Likewise.
11995         (vec_extractv2di): Likewise.
11996         (vec_extractv4si): Likewise.
11997         (vec_extractv8hi): Likewise.
11998         (vec_extractv16qi): Likewise.
11999         (vec_extract<mode>): New.
12001 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
12003         * config/i386/sse.md (vec_setv4sf): Removed.
12004         (vec_setv2df): Likewise.
12005         (vec_setv2di): Likewise.
12006         (vec_setv4si): Likewise.
12007         (vec_setv8hi): Likewise.
12008         (vec_setv16qi): Likewise.
12009         (vec_set<mode>): New.
12011 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
12013         * config/i386/i386.c (ix86_expand_vector_init_general): Remove
12014         goto for vec_concat and vec_interleave.
12016 2008-05-21  H.J. Lu  <hongjiu.lu@intel.com>
12018         * config/i386/sse.md (vec_initv4sf): Removed.
12019         (vec_initv2df): Likewise.
12020         (vec_initv2di): Likewise.
12021         (vec_initv4si): Likewise.
12022         (vec_initv8hi): Likewise.
12023         (vec_initv16qi): Likewise.
12024         (vec_init<mode>): New.
12026 2008-05-21  Joseph Myers  <joseph@codesourcery.com>
12028         * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
12030 2008-05-21  Tom Tromey  <tromey@redhat.com>
12032         * ggc-zone.c (lookup_page_table_if_allocated): New function.
12033         (zone_find_object_offset): Likewise.
12034         (gt_ggc_m_S): Likewise.
12035         (highest_bit): Likewise.
12036         * ggc-page.c (gt_ggc_m_S): New function.
12037         * stringpool.c (string_stack): Remove.
12038         (init_stringpool): Update.
12039         (ggc_alloc_string): Use ggc_alloc.
12040         (maybe_delete_ident): New function.
12041         (ggc_purge_stringpool): Likewise.
12042         (gt_ggc_m_S): Remove.
12043         * ggc-common.c (ggc_protect_identifiers): New global.
12044         (ggc_mark_roots): Call ggc_purge_stringpool.  Use
12045         ggc_protect_identifiers.
12046         * ggc.h (ggc_protect_identifiers): Declare.
12047         (gt_ggc_m_S): Update.
12048         (ggc_purge_stringpool): Declare.
12049         * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
12050         * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
12051         special case.
12052         (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
12054 2008-05-21  David S. Miller  <davem@davemloft.net>
12056         * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
12057         tmake_file.
12059 2008-05-21  Eric Botcazou  <ebotcazou@adacore.com>
12061         * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
12062         once finished.
12064 2008-05-20  David Daney  <ddaney@avtrex.com>
12066         * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
12067         UNSPEC_SYNC_OLD_OP_12, UNSPEC_SYNC_EXCHANGE_12): New define_constants.
12068         (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
12069         UNSPEC_UPDATE_GOT_VERSION): Renumber.
12070         (optab, insn): Add 'plus' and 'minus' to define_code_attr.
12071         (atomic_hiqi_op): New define_code_iterator.
12072         (sync_compare_and_swap<mode>): Call mips_expand_atomic_qihi instead of
12073         mips_expand_compare_and_swap_12.
12074         (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
12075         MIPS_COMPARE_AND_SWAP_12_0.  Pass argument to MIPS_COMPARE_AND_SWAP_12.
12076         (sync_<optab><mode>, sync_old_<optab><mode>,
12077         sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
12078         sync_new_nand<mode>): New define_expands for HI and QI mode operands.
12079         (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
12080         sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
12081         (sync_lock_test_and_set<mode>): New define_expand for HI and QI modes.
12082         (test_and_set_12): New insn.
12083         (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
12084         sync_new_<optab><mode>, sync_old_nand<mode>,
12085         sync_new_nand<mode>, sync_lock_test_and_set<mode>):  Add early
12086         clobber to operand 0 for SI and DI mode insns.
12087         * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
12088         mips_gen_fn_4): New typedefs.
12089         (mips_gen_fn_ptrs): Define new union type.
12090         (mips_expand_compare_and_swap_12): Remove declaration.
12091         (mips_expand_atomic_qihi): Declare function.
12092         * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
12093         (mips_expand_atomic_qihi): ... this.  Use new generator function
12094         parameter.
12095         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
12096         (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
12097         (MIPS_COMPARE_AND_SWAP_12_ZERO_OP, MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
12098         MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
12099         MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
12100         MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
12101         MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
12102         MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
12103         MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
12104         MIPS_SYNC_EXCHANGE_12_ZERO_OP, MIPS_SYNC_EXCHANGE_12_NONZERO_OP):
12105         New macros.
12107 2008-05-20  H.J. Lu  <hongjiu.lu@intel.com>
12109         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
12110         the missing break.
12112 2008-05-20  Anatoly Sokolov <aesok@post.ru>
12114         * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
12115         * config/avr/avr.c (avr_OS_main_function_p): Add new function.
12116         (avr_attribute_table): Add 'OS_main' function attribute.
12117         (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
12118         functions with 'OS_main' attribute.
12120 2008-05-20  Richard Guenther  <rguenther@suse.de>
12122         PR tree-optimization/35204
12123         * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
12124         helper, split out from ...
12125         (DFS): ... here.  Make the DFS walk non-recursive.
12127 2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
12128             Jan Sjodin  <jan.sjodin@amd.com>
12130         PR tree-optimization/36181
12131         * tree-parloops.c (loop_has_vector_phi_nodes): New.
12132         (parallelize_loops): Don't parallelize when the loop has vector
12133         phi nodes.
12135 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
12136             Sebastian Pop  <sebastian.pop@amd.com>
12138         * tree-loop-linear.c (gather_interchange_stats): Look in the access
12139         matrix, and never look at the tree representation of the memory
12140         accesses.
12141         (linear_transform_loops): Computes parameters and access matrices.
12142         * tree-data-ref.c (compute_data_dependences_for_loop): Returns false
12143         when fails.
12144         (access_matrix_get_index_for_parameter): New.
12145         * tree-data-ref.h (struct access_matrix): New.
12146         (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
12147         AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
12148         AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
12149         am_vector_index_for_loop): New.
12150         (struct data_reference): Add field access_matrix.
12151         (DR_ACCESS_MATRIX): New.
12152         (compute_data_dependences_for_loop): Update declaration.
12153         (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
12154         * lambda.h (lambda_vector_vec_p): Declared.
12155         * lambda-code.c: Depend on pointer-set.h.
12156         (lambda_collect_parameters_from_af, lambda_collect_parameters,
12157         av_for_af_base, av_for_af, build_access_matrix,
12158         lambda_compute_access_matrices): New.
12159         * Makefile.in (lambda-code.o): Depend on pointer-set.h.
12161 2008-05-20  Joseph Myers  <joseph@codesourcery.com>
12163         * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
12164         $SOURCEDIR/include.
12166 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
12167             Sebastian Pop  <sebastian.pop@amd.com>
12169         PR tree-optimization/36206
12170         * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
12171         FOLD_CONVERSIONS.
12172         (instantiate_scev_1): Rename flags to fold_conversions.
12173         Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
12174         outeside instantiation_loop.
12175         * tree-chrec.h (evolution_function_is_affine_in_loop): New.
12176         (evolution_function_is_affine_or_constant_p): Removed.
12177         * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
12178         instantiate_scev.
12179         (analyze_siv_subscript): Pass in the loop nest number.
12180         Call evolution_function_is_affine_in_loop instead of
12181         evolution_function_is_affine_p.
12182         (analyze_overlapping_iterations): Pass in the loop nest number.
12184 2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
12185             Sebastian Pop  <sebastian.pop@amd.com>
12187         PR tree-optimization/36206
12188         * tree-chrec.h (chrec_fold_op): New.
12189         * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR,
12190         and other trees.
12192 2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
12194         * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
12195         (DIRS_EQ): New.
12196         (remove_duplicates): Do not set inode on non-inode systems.
12197         Use DIRS_EQ.
12199 2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
12201         * config.gcc (tm_file): Update comments about relative pathnames.
12203 2008-05-20  Richard Guenther  <rguenther@suse.de>
12205         * tree-ssa-reassoc.c (fini_reassoc): Use the statistics infrastructure.
12206         * tree-ssa-sccvn.c (process_scc): Likewise.
12207         * tree-ssa-sink.c (execute_sink_code): Likewise.
12208         * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
12209         * tree-vrp.c (process_assert_insertions): Likewise.
12210         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
12211         (perform_tree_ssa_dce): Likewise.
12212         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
12213         (dump_dominator_optimization_stats): Likewise.
12214         * tree-vectorizer.c (vectorize_loops): Likewise.
12216 2008-05-20  Richard Guenther  <rguenther@suse.de>
12218         * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
12220 2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
12222         * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
12223         (ix86_i386elf_return_in_memory): Likewise.
12224         (ix86_i386interix_return_in_memory): Likewise.
12225         * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
12226         (SUBTARGET_RETURN_IN_MEMORY): New.
12227         * config/i386/i386elf.h: Likewise.
12228         * config/i386/ptx4-i.h: Likewise.
12229         * config/i386/sol2-10.h: Likewise.
12230         * config/i386/sysv4.h: Likewise.
12231         * config/i386/vx-common.h: Likewise.
12232         * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
12233         * config/i386/i386.c (ix86_return_in_memory): Made static and
12234         make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
12235         (ix86_i386elf_return_in_memory): Removed.
12236         (ix86_i386interix_return_in_memory): Removed.
12237         (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
12238         * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
12240 2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
12242         * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
12244 2008-05-19  Xinliang David Li  <davidxl@google.com>
12246         * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18.
12247         * opts.c: Ditto.
12248         * common.opt: Ditto.
12249         * doc/invoke.texi: Ditto.
12251 2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
12253         * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
12254         (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
12256 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
12258         * config/i386/i386.c (ix86_expand_vector_init_concat): Change
12259         sizes of operand array from 8/4 to 4/2.
12260         (ix86_expand_vector_init_general): Change size of operand array
12261         from 32 to 16.  Remove op0, op1 and half_mode.
12263 2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
12265         * config/i386/i386.c (ix86_expand_vector_init_concat): New.
12266         (ix86_expand_vector_init_interleave): Likewise.
12267         (ix86_expand_vector_init_general): Use them.  Assert
12268         word_mode == SImode when n_words == 4.
12270 2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
12272         * config/i386/i386.c (ix86_secondary_reload): New static function.
12273         (TARGET_SECONDARY_RELOAD): New define.
12274         * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
12275         * config/i386/i386.md (reload_outqi): Remove.
12277 2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12279         PR middle-end/35509
12280         * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
12281         Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
12282         (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
12283         (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
12284         (fold_builtin_1): Likewise.
12285         * builtins.def (BUILT_IN_ISINF_SIGN): New.
12286         c-common.c (check_builtin_function_arguments): Handle
12287         BUILT_IN_ISINF_SIGN.
12288         * doc/extend.texi: Document __builtin_isinf_sign.
12289         * fold-const.c (operand_equal_p): Handle COND_EXPR.
12291 2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
12293         * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
12294         EH cleanup at the end of the pass, search for those that have been
12295         turned into forwarder blocks and do the cleanup on their successor.
12297 2008-05-18  Richard Guenther  <rguenther@suse.de>
12299         * tree-cfg.c (verify_gimple_expr): Allow conversions from
12300         pointers to sizetype and vice versa.
12302 2008-05-18 Xinliang David Li   <davidxl@google.com>
12304         * gcc/tree-ssa-dce.c: Coding style fix.
12305         (check_pow): Documentation comment.
12306         (check_log): Documenation comment. Coding style fix.
12307         (is_unnecessary_except_errno_call): Ditto.
12308         (gen_conditions_for_pow): Ditto.
12309         (gen_conditions_for_log): Ditto.
12310         (gen_shrink_wrap_conditions): Ditto.
12311         (shrink_wrap_one_built_in_calls): Ditto.
12312         * gcc/doc/invoke.texi: Better documentation string.
12313         * ChangeLog: Fix wrong change log entries from
12314         May 17 checkin on function call DCE.
12316 2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
12318         * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
12320 2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
12322         * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
12323         * df-problems.c (simulation routines): Fixed block comment to
12324         properly say how to add forwards scanning functions.
12326 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12328         * tree-inline.c (setup_one_parameter): Remove dead code.
12330 2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
12332         * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
12333         a BIT_AND_EXPR only for an INTEGER_TYPE.
12335 2008-05-17 Xinliang David Li   <davidxl@google.com>
12337         * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
12338         (check_pow, check_log, is_unnecessary_except_errno_call): New
12339         functions to check for eliminating math functions that are pure
12340         except for setting errno.
12341         (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
12342         general condition expressions for shrink-wrapping pow/log calls.
12343         (gen_shrink_wrap_conditions): Ditto.
12344         (shrink_wrap_one_built_in_call): Ditto.
12345         (shrink_wrap_conditional_dead_built_in_calls): Ditto.
12346         (mark_operand_necessary): If debugging, output if OP is necessary.
12347         (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
12348         unnecessary.
12349         * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
12350         opt level >= 2.
12351         * gcc/common.opt: New user flag -ftree-builtin-dce.
12352         * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
12354 2008-05-16  David S. Miller  <davem@davemloft.net>
12356         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
12357         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
12359 2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
12361         PR target/36246
12362         * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
12364 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12366         * ifcvt.c (dead_or_predicable): Rename
12367         df_simulate_one_insn_backwards to df_simulate_one_insn.
12368         * recog.c (peephole2_optimize): Ditto.
12369         * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
12370         Ditto.
12371         * df.h: Rename df_simulate_one_insn_backwards to
12372         df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
12373         * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
12374         scanning of defs and uses.
12375         (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
12376         (df_simulate_one_insn_forwards): Removed.
12378 2008-05-16  Doug Kwan  <dougkwan@google.com>
12380         * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
12381         QNaN & SNaN.
12382         (real_from_string): Handle NaNs and Inf as approriate.
12384 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
12386         * doc/gty.texi (Source Files Containing Type Information): Note
12387         that headers should appear first in the gtfiles list.
12389 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12391         * tree.def (COND_EXEC): Properly documented this code.
12393 2008-05-16  Diego Novillo  <dnovillo@google.com>
12395         * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
12396         * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
12397         the new field.
12399 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12401         * tree-ssa-dse (max_stmt_uid): Removed.
12402         (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt,
12403         tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
12404         * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
12405         * function.h (cfun.last_stmt_uid): New field.
12406         * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
12407         gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
12408         New functions.
12409         * tree-dfa.c (renumber_gimple_stmt_uids): New function.
12410         (create_stmt_ann): Initialize the ann->uid field.
12411         * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
12412         with new calls.
12413         * tree-flow.h (renumber_gimple_stmt_uids): New function.
12415 2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
12417         * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
12418         * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
12419         (init_empty_tree_cfg): Call it.
12421 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12423         * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
12424         Update all users.
12426 2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
12428         * doc/invoke.text (-fdump-tree-*-verbose): New option.
12429         * tree-dump.c (dump_options): New verbose option.
12430         * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
12431         Add verbose dump.
12432         * tree-pass.h (TDF_VERBOSE): New dump flag.
12433         * print-tree.c (print_node): Added code to be able to print PHI_NODES.
12434         (tree-flow.h): Added include.
12435         * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
12437 2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
12439         * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
12441         From Jie Zhang  <jie.zhang@analog.com>
12442         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12443         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
12444         mcpu=bf561-none and mcpu=bf561-0.2.
12445         * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12446         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
12447         * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
12448         MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
12449         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
12450         * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
12451         (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
12452         option.
12453         * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
12454         (cputype_selected): Remove.
12455         (bfin_handle_option): Don't use cputype_selected.
12456         (override_options): When no mcpu option, enable all workarounds.
12457         Don't use bfin_workarounds.
12458         * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
12459         processor type.
12460         (DEFAULT_CPU_TYPE): Don't define.
12462 2008-05-16  Richard Guenther  <rguenther@suse.de>
12464         * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
12465         on deletion of the last stmt.
12467 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
12469         * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
12470         V8HImode for SSE2 and V16QImode for SSE4.1.
12472 2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
12474         * cgraph.h (compute_inline_parameters): Made public.
12475         * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
12476         variable_generate_summary, function_write_summary,
12477         variable_write_summary, variable_read_summary.  Added generate_summary,
12478         write_summary, read_summary.
12479         * cgraphunit.c (cgraph_process_new_functions): Changed call from
12480         pass_ipa_inline.function_generate_summary, to
12481         compute_inline_parameters.
12482         * ipa-inline.c (compute_inline_parameters): Made public and added
12483         node parameter.
12484         (compute_inline_parameters_for_current): New function.
12485         (pass_inline_param): Now calls compute_inline_parameters_for_current.
12486         (inline_generate_summary): Removed parameter and made to loop over
12487         all cgraph nodes.
12488         (pass_ipa_inline): Updated for new IPA_PASS structure.
12489         * passes.c (execute_ipa_summary_passes): Now is called once per
12490         pass rather than once per node*pass.
12492 2008-05-15  Anatoly Sokolov <aesok@post.ru>
12494         * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p,
12495         avr_have_mul_p, avr_asm_only_p): Remove variables.
12496         (avr_override_options): Remove initialization of removed variables.
12497         (avr_file_start):  Convert removed variables to fields of
12498         'struct base_arch_s *avr_current_arch'.
12499         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
12500         (AVR_HAVE_MUL): (Ditto.).
12501         (AVR_HAVE_MOVW): (Ditto.).
12502         (AVR_HAVE_LPMX): (Ditto.).
12503         (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p,
12504         avr_asm_only_p): Remove declaration.
12506 2008-05-15  Diego Novillo  <dnovillo@google.com>
12508         * config/arm/arm.c (arm_return_in_memory): Fix return type.
12509         * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
12511 2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
12513         PR middle-end/36194
12514         * combine.c (check_conversion): Rename back to check_promoted_subreg.
12515         Don't call record_truncated_value from here.
12516         (record_truncated_value): Turn it into a for_each_rtx callback.
12517         (record_truncated_values): New function.
12518         (combine_instructions): Call note_uses with record_truncated_values.
12519         Change name of check_conversion to check_promoted_subreg.
12521 2008-05-15  Janis Johnson  <janis187@us.ibm.com>
12523         * doc/sourcebuild.texi: Document support for torture tests.
12525 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
12527         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
12528         to alternative 4 of operand 2.
12530 2008-05-15  Richard Guenther  <rguenther@suse.de>
12532         * tree-pass.h (current_pass): Declare.
12533         (get_pass_for_id): Likewise.
12534         * passes.c (passes_by_id, passes_by_id_size): New globals.
12535         (set_pass_for_id): New function.
12536         (get_pass_for_id): Likewise.
12537         (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
12538         (execute_function_todo): Flush per function statistics.
12539         * toplev.c (compile_file): Init statistics.
12540         (general_init): Do early statistics initialization.
12541         (finalize): Finish statistics.
12542         * statistics.h (statistics_early_init): Declare.
12543         (statistics_init): Likewise.
12544         (statistics_fini): Likewise.
12545         (statistics_fini_pass): Likewise.
12546         (statistics_counter_event): Likewise.
12547         (statistics_histogram_event): Likewise.
12548         * statistics.c: New file.
12549         * Makefile.in (OBJS-common): Add statistics.o.
12550         (statistics.o): Add dependencies.
12551         * doc/invoke.texi (-fdump-statistics): Document.
12553         * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
12554         (insert): Likewise.
12555         (execute_pre): Use statistics_counter_event.
12556         * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
12557         (substitute_and_fold): Increment it.  Use statistics_counter_event.
12559 2008-05-15  Diego Novillo  <dnovillo@google.com>
12561         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
12563         * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
12564         * tree-ssa-alias.c (new_type_alias): Remove references to
12565         sub-variables from comment.
12566         * tree-ssa-operands.c (swap_tree_operands): Likewise.
12568 2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
12570         * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
12571         attribute to 1 only for insertps alternative.
12573 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12575         * config/bfin/bfin.md (loadbytes): New pattern.
12576         * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
12577         (bfin_init_builtins): Initialize it.
12578         (bdesc_1arg): Add it.
12580 2008-05-15  Sa Liu  <saliu@de.ibm.com>
12582         * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
12583         * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
12584         * testsuite/lib/target-supports.exp: Add
12585         check_effective_target_fortran_integer_16.
12587 2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
12589         * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
12590         * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
12591         * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
12592         (TARGET_RETURN_IN_MEMORY): Define.
12594 2008-05-15  Richard Guenther  <rguenther@suse.de>
12596         PR middle-end/36244
12597         * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
12598         * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
12599         represent unmodifiable vars.
12601 2008-05-15  Richard Guenther  <rguenther@suse.de>
12603         * tree-dfa.c (refs_may_alias_p): Allow all kinds of
12604         INDIRECT_REF and TARGET_MEM_REF.
12605         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
12606         TARGET_MEM_REF.
12608 2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
12609             H.J. Lu  <hongjiu.lu@intel.com>
12611         * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
12612         (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
12613         for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
12614         insn alternatives.  Add missing alternatives.
12615         (*vec_concatv2di_rex64_sse4_1): Likewise.
12616         (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
12617         (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
12618         Require TARGET_SSE.
12620 2008-05-15  Richard Guenther  <rguenther@suse.de>
12622         PR tree-optimization/36009
12623         PR tree-optimization/36204
12624         * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
12625         (determine_invariantness_stmt): Record the loop a store is
12626         always executed in.
12627         * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
12628         dependency.
12630 2008-05-15  Richard Guenther  <rguenther@suse.de>
12632         PR tree-optimization/34330
12633         * tree-ssa-alias.c (get_smt_for): Only assert that accesses
12634         through the pointer will alias the SMT.
12636 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
12638         * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
12640 2008-05-14  H.J. Lu  <hongjiu.lu@intel.com>
12642         * config/i386/sse.md (*sse4_1_pinsrq): Make it 64bit only.
12644 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12645             Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
12647         * optabs.h (optab_index): Add OTI_vashl, OTI_vlshr, OTI_vashr,
12648         OTI_vrotl, OTI_vrotr to support vector/vector shifts.
12649         (vashl_optab): New optab for vector/vector shifts.
12650         (vashr_optab): Ditto.
12651         (vlshr_optab): Ditto.
12652         (vrotl_optab): Ditto.
12653         (vrotr_optab): Ditto.
12654         (optab_subtype): New enum for optab_for_tree_code call.
12655         (optab_for_tree_code): Add enum optab_subtype argument.
12657         * optabs.c (optab_for_tree_code): Take an additional argument to
12658         distinguish between a vector shift by a scalar and vector shift by
12659         a vector.  Make lshr/ashr/ashl/rotl/rotr optabs just vector
12660         shifted by a scalar.  Use vlshr/vashr/vashl/vrotl/vrotr for the
12661         vector shift by a vector.
12662         (expand_widen_pattern_expr): Pass additional argument to
12663         optab_for_tree_code.
12665         * genopinit.c (optabs): Add vashr_optab, vashl_optab, vlshr_optab,
12666         vrotl_optab, vrotr_optab.
12668         * expr.c (expand_expr_real_1): Update calls to
12669         optab_for_tree_code to distinguish between vector shifted by a
12670         scalar and vector shifted by a vector.
12671         * tree-vectorizer.c (supportable_widening_operation): Ditto.
12672         (supportable_narrowing_operation): Ditto.
12673         * tree-vect-analyze.c (vect_build_slp_tree): Ditto.
12674         * tree-vect-patterns.c (vect_pattern_recog_1): Ditto.
12675         * tree-vect-transform.c (vect_model_reduction_cost): Ditto.
12676         (vect_create_epilog_for_reduction): Ditto.
12677         (vectorizable_reduction): Ditto.
12678         (vectorizable_operation): Ditto.
12679         (vect_strided_store_supported): Ditto.
12680         (vect_strided_load_supported): Ditto.
12681         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
12682         * expmed.c (expand_shift): Ditto.
12684         * doc/md.texi (ashl@var{m}3): Document that operand 2 is always a
12685         scalar type.
12686         (ashr@var{m}3): Ditto.
12687         (vashl@var{m}3): Document new vector/vector shift standard name.
12688         (vashr@var{m}3): Ditto.
12689         (vlshr@var{m}3): Ditto.
12690         (vrotl@var{m}3): Ditto.
12691         (vrotr@var{m}3): Ditto.
12693         * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
12694         (PPERM_INVERT): Ditto.
12695         (PPERM_REVERSE): Ditto.
12696         (PPERM_REV_INV): Ditto.
12697         (PPERM_ZERO): Ditto.
12698         (PPERM_ONES): Ditto.
12699         (PPERM_SIGN): Ditto.
12700         (PPERM_INV_SIGN): Ditto.
12701         (PPERM_SRC1): Ditto.
12702         (PPERM_SRC2): Ditto.
12704         * config/i386/sse.md (mulv2di3): Add SSE5 support.
12705         (sse5_pmacsdql_mem): New SSE5 define_and_split that temporarily
12706         allows a memory operand to be the value being added, and split it
12707         to improve vectorization.
12708         (sse5_pmacsdqh_mem): Ditto.
12709         (sse5_mulv2div2di3_low): SSE5 32-bit multiply and extend function.
12710         (sse5_mulv2div2di3_high): Ditto.
12711         (vec_pack_trunc_v8hi): Add SSE5 pperm support.
12712         (vec_pack_trunc_v4si): Ditto.
12713         (vec_pack_trunc_v2di): Ditto.
12714         (sse5_pcmov_<mode>): Remove code that tried to use use
12715         andps/andnps instead of pcmov.
12716         (vec_widen_smult_hi_v4si): If we have SSE5, use the pmacsdql and
12717         pmacsdqh instructions.
12718         (vec_widen_smult_lo_v4si): Ditto.
12720         * config/i386/i386.c (PPERM_SRC): Move PPERM masks to i386.md.
12721         (PPERM_INVERT): Ditto.
12722         (PPERM_REVERSE): Ditto.
12723         (PPERM_REV_INV): Ditto.
12724         (PPERM_ZERO): Ditto.
12725         (PPERM_ONES): Ditto.
12726         (PPERM_SIGN): Ditto.
12727         (PPERM_INV_SIGN): Ditto.
12728         (PPERM_SRC1): Ditto.
12729         (PPERM_SRC2): Ditto.
12730         (ix86_expand_sse_movcc): Move the SSE5 test after the if
12731         true/false tests.
12732         (ix86_expand_int_vcond): If SSE5 generate all possible integer
12733         comparisons.
12734         (ix86_sse5_valid_op_p): Allow num_memory to be negative, which
12735         says ignore whether the last reference is a memory operand.
12737 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12738             Paolo Bonzini <bonzini at gnu dot org>
12740         * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
12741         shift patterns.
12743         * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
12744         (vlshr<mode>3): Rename from vlshr<mode>3.
12745         (vashr<mode>3): Rename from vashr<mode>3.
12746         (mulv4sf3): Change the names of vector shift patterns.
12747         (mulv4si3): Ditto.
12748         (negv4sf2): Ditt.
12750         * config/spu/spu.c (spu_initialize_trampoline): Rename vector
12751         shift insns.
12753         * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
12754         (SI_SHLHI): Ditto.
12755         (SI_SHL): Ditto.
12756         (SI_SHLI): Ditto.
12757         (SI_ROTH): Ditto.
12758         (SI_ROTHI): Ditto.
12759         (SI_ROT): Ditto.
12760         (SI_ROTI): Ditto.
12761         (SPU_RL_0): Ditto.
12762         (SPU_RL_1): Ditto.
12763         (SPU_RL_2): Ditto.
12764         (SPU_RL_3): Ditto.
12765         (SPU_RL_4): Ditto.
12766         (SPU_RL_5): Ditto.
12767         (SPU_RL_6): Ditto.
12768         (SPU_RL_7): Ditto.
12769         (SPU_SL_0): Ditto.
12770         (SPU_SL_1): Ditto.
12771         (SPU_SL_2): Ditto.
12772         (SPU_SL_3): Ditto.
12773         (SPU_SL_4): Ditto.
12774         (SPU_SL_5): Ditto.
12775         (SPU_SL_6): Ditto.
12776         (SPU_SL_7): Ditto.
12778         * config/spu/spu.md (v): New iterator macro to add v for vector types.
12779         (floatunssidf2_internal): Change vector/vector shift names.
12780         (floatunsdidf2_internal): Ditto.
12781         (mulv8hi3): Ditto.
12782         (ashrdi3): Ditto.
12783         (ashrti3): Ditto.
12784         (cgt_df): Ditto.
12785         (cgt_v2df): Ditto.
12786         (dftsv): Ditto.
12787         (vashl<mode>3): Rename from ashl<mode>3.
12788         (vashr<mode>3): Rename from ashr<mode>3.
12789         (vlshr<mode>3): Rename from lshr<mode>3.
12790         (vrotl<mode>3): Rename from rotl<mode>3.
12792 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
12794         PR target/36224
12795         * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
12796         multiply gives the wrong value when doing widening multiplies.
12797         (vec_widen_smult_lo_v4si): Ditto.
12799 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
12801         * optabs.c (prepare_cmp_insn): Changed LCT_PURE_MAKE_BLOCK to
12802         LCT_PURE and LCT_CONST_MAKE_BLOCK to LCT_CONST in calls to
12803         emit_library_call_value.
12804         * builtins.c (expand_builtin_powi, expand_builtin_memcmp): Ditto.
12805         * tree.h (ECF_LIBCALL_BLOCK): Removed.
12806         * calls.c (initialize_argument_information, precompute_arguments,
12807         expand_call, emit_library_call_value_1): Remove ECF_LIBCALL_BLOCK.
12808         (precompute_arguments): Removed flags parameter.
12809         * rtl.h (LCT_CONST_MAKE_BLOCK, LCT_PURE_MAKE_BLOCK): Removed.
12811 2008-05-14  Richard Guenther  <rguenther@suse.de>
12813         * tree-ssa-dse.c (dse_possible_dead_store_p): Remove dead code.
12814         Make sure to register the store if the use is a PHI_NODE.
12816 2008-05-14  Olivier Hainque  <hainque@adacore.com>
12818         * expr.c (expand_expr_real_1) <normal_inner_ref>: Force op0 to
12819         memory if the component is to be referenced in BLKmode according
12820         to get_inner_reference.
12822 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
12824         * calls.c (emit_library_call_value_1): Restore code clearing
12825         ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
12827 2008-05-14  Olivier Hainque  <hainque@adacore.com>
12828             Nicolas Roche  <roche@adacore.com>
12830         * configure.ac: Add support for a "gcc_subdir" variable in
12831         config-lang.in, to denote a subdirectory where the language/GCC
12832         integration files are to be found.
12833         * configure: Regenerate.
12835 2008-05-14  Ira Rosen  <irar@il.ibm.com>
12837         PR tree-optimization/36098
12838         * tree-vect-analyze.c (vect_analyze_group_access): Set the gap
12839         value for the first load in the group in case of a gap.
12840         (vect_build_slp_tree): Check that there are no gaps in loads.
12842 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
12844         * doc/rtl.texi: Removed reference to REG_NO_CONFLICT notes.
12845         * optabs.c (expand_binop, expand_absneg_bit, expand_unop,
12846         expand_copysign_bit, ): Change call to emit_no_conflict_block to
12847         emit_insn and remove unneeded code to construct extra args.
12848         (emit_no_conflict_block): Removed.
12849         * optabls.h: (emit_no_conflict_block): Removed.
12850         * cse.c (cse_extended_basic_block): Remove search for
12851         REG_NO_CONFLICT note.
12852         * global.c: Removed incorrect comment added in revision 117.
12853         * expr.c (convert_move): Change call to emit_no_conflict_block to
12854         emit_insn.
12855         * recog.c: Change comments so that they do not mention
12856         REG_NO_CONFLICT.
12857         * local_alloc.c (combine_regs): Removed last parameter.
12858         (no_conflict_p): Removed.
12859         (block_alloc): Removed note, no_conflict_combined_regno and set
12860         local vars. Removed all code to process REG_NO_CONFLICT blocks.
12861         (combine_regs): Removed already_dead and code to look for
12862         REG_NO_CONFLICT notes.
12863         * lower_subreg (remove_retval_note): Removed code to look for
12864         REG_NO_CONFLICT block.
12865         (resolve_reg_notes): Removed REG_NO_CONFLICT case.
12866         (resolve_clobber): Remove code to process libcalls that have
12867         REG_NO_CONFLICT notes.
12868         * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
12869         case.
12870         * combine.c (can_combine_p, distribute_notes):  Removed
12871         REG_NO_CONFLICT case.
12872         * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
12873         to emit_insns.
12874         * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
12875         * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
12876         Ditto.
12877         * reg-notes.def (NO_CONFLICT): Removed.
12879 2008-05-14  David S. Miller  <davem@davemloft.net>
12881         * config/sparc/sparc.c (sparc_profile_hook): If
12882         NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
12883         * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
12884         * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
12886 2008-05-14  Andreas Krebbel  <krebbel1@de.ibm.com>
12888         * cse.c (cse_cc_succs): Invoke delete_insn_and_edges.
12890 2008-05-13  Uros Bizjak  <ubizjak@gmail.com>
12892         PR target/36222
12893         * config/i386/i386.c (ix86_expand_vector_init_general): Rearrange op0
12894         and op1 expansion before vector concat to have less live pseudos.
12896 2008-05-13  H.J. Lu  <hongjiu.lu@intel.com>
12898         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
12899         ix86_expand_vector_set if supported.
12901 2008-05-13  Diego Novillo  <dnovillo@google.com>
12902             Kenneth Zadeck  <zadeck@naturalbridge.com>
12904         http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00748.html
12906         * tree.h (init_phinodes, fini_phinodes, release_phi_node,
12907         phinodes_print_statistics, init_ssanames, fini_ssanames,
12908         make_ssa_name, duplicate_ssa_name, duplicate_ssa_name_ptr_info,
12909         release_ssa_name, release_defs, replace_ssa_name_symbol,
12910         ssanames_print_statistics): Move ...
12911         * tree-flow.h: ... here.
12912         * tree-ssanames.c (init_ssanames): Add arguments FN and SIZE.
12913         Use FN instead of cfun.
12914         (make_ssa_name_fn): Rename from make_ssa_name.
12915         (pass_release_ssa_names): Add TODO_dump_func to finish flags.
12916         * tree-flow-inline.h (make_ssa_name): Move from
12917         tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
12918         * omp-low.c (expand_omp_parallel):
12919         * tree-flow-inline.h (redirect_edge_var_map_result):
12920         * tree-ssa.c (init_tree_ssa): Add argument FN.
12921         Use it instead of cfun.  Update all users.
12923 2008-05-13  Tom Tromey  <tromey@redhat.com>
12925         PR preprocessor/22168:
12926         * doc/cpp.texi (Top): Update menu.
12927         (Alternatives to Wrapper #ifndef): New node.
12928         (Other Directives): Document deprecation.
12929         (Obsolete Features): Remove menu.
12930         (Assertions): Merge node into Obsolete Features.
12931         (Obsolete once-only headers): Move earlier; rename to Alternatives
12932         to Wrapper #ifndef.
12933         * doc/cppopts.texi: Update.
12934         * c.opt (Wdeprecated): Enable for C and ObjC.
12935         * doc/invoke.texi (Option Summary): Move -Wno-deprecated.
12936         (C++ Dialect Options): Move -Wno-deprecated from here to...
12937         (Warning Options): ... here.
12939 2008-05-13  Richard Guenther  <rguenther@suse.de>
12941         PR middle-end/36227
12942         * fold-const.c (fold_sign_changed_comparison): Do not allow
12943         changes in pointer-ness.
12945 2008-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
12947         PR target/24713
12948         * config/sh/sh.c (sh_expand_prologue): Don't clear
12949         RTX_FRAME_RELATED_P for push insns.
12951 2008-05-12  Andy Hutchinson  <hutchinsonandy@aim.com>
12953         * config/avr/avr.h (MAX_OFILE_ALIGNMENT): Define.
12955 2008-05-12  Anatoly Sokolov <aesok@post.ru>
12957         * config/avr/avr.h (machine_function): Add 'is_leaf' field.
12958         * config/avr/avr.c (avr_regs_to_save): Compute 'machine->is_leaf'.
12959         Use 'machine->is_leaf' instead of 'leaf_func_p'.
12961 2008-05-12  H.J. Lu  <hongjiu.lu@intel.com>
12963         * config/i386/sse.md (*sse_concatv4sf): Renamed to ...
12964         (*vec_concatv4sf_sse): This.
12965         (*sse2_concatv2si): Renamed to ...
12966         (*vec_concatv2si_sse2): This.
12967         (*sse1_concatv2si): Renamed to ...
12968         (*vec_concatv2si_sse): This.
12969         (*vec_concatv2di_rex): Renamed to ...
12970         (*vec_concatv2di_rex64): This.
12971         (*vec_concatv2si_sse4_1): New.
12972         (*vec_concatv2di_rex64_sse4_1): Likewise.
12974 2008-05-12  Uros Bizjak  <ubizjak@gmail.com>
12976         PR rtl-optimization/36111
12977         * recog.c (validate_replace_rtx_1): Unshare new RTL expression
12978         that was created for swappable operands.
12980 2008-05-12  Samuel Tardieu  <sam@rfc1149.net>
12982         PR ada/36001
12983         * Makefile.in: Substitute GNATMAKE and GNATBIND.
12984         * configure.ac: Add call to ACX_PROG_GNAT.
12986 2008-05-11  Volker Reichelt  <v.reichelt@netcologne.de>
12988         * optc-gen.awk: Fix comment typo.
12990 2008-05-11  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
12992         * pretty-print.c (pp_integer_with_precision): Use
12993         HOST_LONG_LONG_FORMAT.
12995 2008-05-10  Kenneth Zadeck  <zadeck@naturalbridge.com>
12997         * gcse.c (store_killed_in_insn): Negated call to RTL_CONST_CALL_P.
12999 2008-05-10  H.J. Lu  <hongjiu.lu@intel.com>
13001         * config/i386/i386.c (bdesc_ptest): Removed.
13002         (ix86_builtin_type): Add INT_FTYPE_V2DI_V2DI_PTEST.
13003         (bdesc_args): Add __builtin_ia32_ptestz128,
13004         __builtin_ia32_ptestc128 and __builtin_ia32_ptestnzc128.
13005         (ix86_init_mmx_sse_builtins): Updated.
13006         (ix86_expand_args_builtin): Handle INT_FTYPE_V2DI_V2DI_PTEST.
13007         (ix86_expand_builtin): Updated.
13009 2008-05-10  Richard Sandiford  <rdsandiford@googlemail.com>
13011         * tree-cfg.c (valid_fixed_convert_types_p): New function.
13012         (verify_gimple_expr): Handle FIXED_CONVERT_EXPR.
13014 2008-05-10  Uros Bizjak  <ubizjak@gmail.com>
13016         * value-prof.c (interesting_stringop_to_profile): Do not
13017         return early for BUILT_IN_MEMPCPY.
13019 2008-05-09  H.J. Lu  <hongjiu.lu@intel.com>
13021         * calls.c (expand_call): Don't use callgraph to increase
13022         preferred_stack_boundary.
13024         * cgraph.h (cgraph_rtl_info): Use unsigned on
13025         preferred_incoming_stack_boundary.
13027         * final.c (rest_of_clean_state): Use unsigned on
13028         preferred_stack_boundary.
13030 2008-05-09  Tom Tromey  <tromey@redhat.com>
13032         PR preprocessor/22231:
13033         * c-opts.c (sanitize_cpp_opts): Disallow -MG if compilation is
13034         proceeding.
13036 2008-05-09  Uros Bizjak  <ubizjak@gmail.com>
13038         PR tree-optimization/36129
13039         * tree-ssa-ccp.c: Include value-prof.h.
13040         (execute_fold_all_builtins): Call gimple_remove_stmt_histograms if
13041         built-in function was folded to a constant.
13042         * Makefile.in (tree-ssa-ccp.c): Depend on value-prof.h
13044 2008-05-09  Jan Sjodin  <jan.sjodin@amd.com>
13045             Sebastian Pop  <sebastian.pop@amd.com>
13047         * tree-scalar-evolution.c: Document instantiate_scev.
13048         (instantiate_parameters_1): Renamed instantiate_scev_1.
13049         Don't use the same loop for instantiation_loop and evolution_loop.
13050         (instantiate_scev): New.
13051         (instantiate_parameters): Moved...
13052         (resolve_mixers): Update call to instantiate_scev_1 to pass the
13053         same loop twice.  Maintains the semantics for this function.
13054         * tree-scalar-evolution.h (instantiate_scev): Declare.
13055         (instantiate_parameters): ...here.  Now static inline.
13056         * tree-data-ref.c (dr_analyze_indices): Call instantiate_scev
13057         instead of resolve_mixers.
13059 2008-05-09  Maxim Kuvyrkov  <maxim@codesourcery.com>
13061         * rtl-factoring.c (collect_pattern_seqs): Fix typo.
13063 2008-05-09  Tomas Bily  <tbily@suse.cz>
13065         * config/pa/pa.c (reloc_needed): Use CASE_CONVERT.
13066         * tree-cfg.c (verify_expr, verify_gimple_expr): Likewise.
13067         * tree-ssa-structalias.c (get_constraint_for): Likewise.
13068         * c-common.c (c_common_truthvalue_conversion): Likewise.
13069         * tree-object-size.c (compute_object_offset): Likewise.
13070         * tree-inline.c (estimate_num_insns_1): Likewise.
13071         * varasm.c (const_hash_1, compare_constant, copy_constant)
13072         (compute_reloc_for_constant, output_addressed_constants)
13073         (initializer_constant_valid_p): Likewise.
13074         * c-omp.c (check_omp_for_incr_expr): Likewise.
13075         * gimplify.c (gimplify_expr): Likewise.
13076         * c-typeck.c (c_finish_return): Likewise.
13077         * tree-vectorizer.c (supportable_widening_operation)
13078         (supportable_narrowing_operation): Likewise.
13079         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Likewise.
13080         * matrix-reorg.c (can_calculate_expr_before_stmt): Likewise.
13081         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
13082         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info)
13083         (descr_info_loc): Likewise.
13084         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
13085         * fold-const.c (operand_equal_p, make_range, extract_muldiv_1)
13086         (fold_unary): Likewise.
13087         * builtins.c (get_pointer_alignment): Likewise.
13088         * tree-scalar-evolution.c (interpret_rhs_modify_stmt)
13089         (instantiate_parameters_1): Likewise.
13090         * tree.c (expr_align, stabilize_reference): Likewise.
13091         * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
13092         * tree-ssa-loop-niter.c (derive_constant_upper_bound): Likewise.
13093         * convert.c (strip_float_extensions): Use CONVERT_EXPR_P.
13094         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
13095         * config/alpha/alpha.c (va_list_skip_additions): Likewise.
13096         * c-common.c (c_alignof_expr, check_function_arguments_recurse):
13097         Likewise.
13098         * tree-ssa.c (tree_ssa_useless_type_conversion): Likewise.
13099         * varasm.c (initializer_constant_valid_p, output_constant): Likewise.
13100         * tree-ssa-forwprop.c (get_prop_source_stmt, can_propagate_from)
13101         (forward_propagate_addr_expr_1, forward_propagate_addr_expr)
13102         (forward_propagate_comparison)
13103         (tree_ssa_forward_propagate_single_use_vars): Likewise.
13104         * cfgexpand.c (discover_nonconstant_array_refs_r): Likewise.
13105         * emit-rtl.c (component_ref_for_mem_expr)
13106         (set_mem_attributes_minus_bitpos): Likewise.
13107         * tree-ssa-phiopt.c (conditional_replacement): Likewise.
13108         * gimplify.c (gimplify_conversion, goa_lhs_expr_p, gimplify_expr):
13109         Likewise.
13110         * c-typeck.c (default_function_array_conversion, build_indirect_ref)
13111         (build_function_call, pointer_diff, build_compound_expr)
13112         (c_finish_return): Likewise.
13113         * tree-vect-analyze.c (vect_determine_vectorization_factor): Likewise.
13114         * matrix-reorg.c (get_inner_of_cast_expr, may_flatten_matrices_1):
13115         Likewise.
13116         * tree-ssa-ifcombine.c (recognize_single_bit_test): Likewise.
13117         * expr.c (is_aligning_offset): Likewise.
13118         * tree-ssa-alias.c (is_escape_site): Likewise.
13119         * tree-stdarg.c (va_list_counter_bump, check_va_list_escapes)
13120         (check_all_va_list_escapes): Likewise.
13121         * tree-ssa-loop-ivopts.c (determine_base_object)
13122         (determine_common_wider_type): Likewise.
13123         * dojump.c (do_jump): Likewise.
13124         * tree-ssa-sccvn.c (simplify_unary_expression): Likewise.
13125         * tree-gimple.c (is_gimple_cast): Likewise.
13126         * fold-const.c (decode_field_reference, )
13127         (fold_sign_changed_comparison, fold_unary, fold_comparison)
13128         (fold_binary): Likewise.
13129         * tree-ssa-alias-warnings.c (find_alias_site_helper)
13130         (already_warned_in_frontend_p): Likewise.
13131         * builtins.c (get_memory_rtx, fold_builtin_next_arg): Likewise.
13132         * tree.c (really_constant_p, get_unwidened): Likewise.
13133         * tree-ssa-loop-niter.c (expand_simple_operations): Likewise.
13134         * tree-ssa-loop-im.c (rewrite_bittest): Likewise.
13135         * tree-vrp.c (register_edge_assert_for_2, register_edge_assert_for_1):
13136         Likewise.
13137         * tree.h (STRIP_NOPS, STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Use
13138         CONVERT_EXPR_P.
13139         (CONVERT_EXPR_P): Define.
13140         (CASE_CONVERT): Define.
13142 2008-05-08  Kenneth Zadeck  <zadeck@naturalbridge.com>
13144         PR middle-end/36117
13145         * dce.c (deletable_insn_p): Do not delete calls if df_in_progress.
13146         (delete_unmarked_insns): When deleting a call, call
13147         delete_unreachable_blocks.
13148         * rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
13149         RTL_CONST_OR_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P): Fixed doc.
13151 2008-05-08  Richard Guenther  <rguenther@suse.de>
13153         * doc/invoke.texi (-fdump-tree-salias): Remove documentation.
13154         (-ftree-salias): Likewise.
13155         (salias-max-implicit-fields): Remove param documentation.
13156         (salias-max-array-elements): Likewise.
13157         * tree-pass.h (pass_create_structure_vars): Remove.
13158         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): Remove.
13159         (SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
13160         * tree-ssa-alias.c (create_structure_vars): Remove.
13161         (gate_structure_vars): Likewise.
13162         (pass_create_structure_vars): Likewise.
13163         (gate_build_alias): Likewise.
13164         (pass_build_alias): Adjust to run always and dump the function.
13165         * common.opt (ftree-salias): Hide.
13166         * passes.c (init_optimization_passes): Remove
13167         pass_create_structure_vars, adjust comment.
13168         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): Remove.
13169         (PARAM_SALIAS_MAX_ARRAY_ELEMENTS): Likewise.
13170         * opts.c (decode_options): Do not set flag_tree_salias.
13171         (common_handle_option): Add OPT_ftree_salias to the backward
13172         compatibility section.
13174 2008-05-08  Richard Guenther  <rguenther@suse.de>
13176         * tree-flow-inline.h (var_can_have_subvars): Move ...
13177         * tree-ssa-structalias.c (var_can_have_subvars): ... here.
13178         * tree-flow.h (var_can_have_subvars): Remove.
13179         (push_fields_onto_fieldstack): Remove.
13180         (sort_fieldstack): Likewise.
13181         (struct fieldoff): Move ...
13182         * tree-ssa-structalias.c (struct fieldoff): ... here.  Remove
13183         alias_set and base_for_components fields.
13184         (sort_fieldstack): Make static.
13185         (push_fields_onto_fieldstack): Likewise.  Remove code that
13186         handles anything but RECORD_TYPEs.  Remove alias_set and
13187         base_for_components handling.
13188         (create_variable_info_for): Adjust.
13190 2008-05-08  Seongbae Park  <seongbae.park@gmail.com>
13192         * common.opt (Wframe-larger-than=): Shorten the help message
13193         to one line.
13194         * doc/invoke.texi (Wframe-larger-than=): Add more description.
13196 2008-05-08  Rafael Espindola  <espindola@google.com>
13198         * tree-complex.c (expand_complex_div_wide): Don't create CONDs that
13199         trap.
13200         * tree-gimple.c (is_gimple_condexpr): Check that the expression doesn't
13201         trap and that both operands are gimple values.
13202         (canonicalize_cond_expr_cond): Use is_gimple_condexpr.
13203         * gcc/tree-eh.c (tree_could_trap_p): Correctly detect if a comparison
13204         is a fp operation.
13206 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
13208         * read-rtl.c (join_c_conditions): Return the first string if the
13209         two strings are equal.
13211 2008-05-08  Richard Sandiford  <rsandifo@nildram.co.uk>
13213         * gensupport.h (pred_data): Add a "num_codes" field.
13214         (add_predicate_code): Declare.
13215         * gensupport.c (add_predicate_code): New function.
13216         (std_pred_table): Add an "allows_const_p" field.
13217         (std_preds): Set this field for predicates that allow RTX_CONST_OBJs.
13218         Remove the (incomplete) list of such codes from the codes field.
13219         (init_predicate_table): Use add_predicate_code.  Add all
13220         RTX_CONST_OBJs if allows_const_p is true.
13221         * genrecog.c (process_define_predicate): Use add_predicate_code.
13223 2008-05-08  David Daney  <ddaney@avtrex.com>
13224             Richard Sandiford  <rsandifo@nildram.co.uk>
13226         * config/mips/mips.md (mips_expand_compare_and_swap_12): Handle
13227         special case of constant zero operands.
13228         * config/mips/mips.c (mips_expand_compare_and_swap_12): Zero extend
13229         old and new values.  Special case constant zero values.
13230         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP): Skip 'sync' if compare
13231         fails.
13232         (MIPS_COMPARE_AND_SWAP_12): Handle constant zero operands.
13233         (MIPS_COMPARE_AND_SWAP_12_0): New macro.
13235 2008-05-08  Paolo Bonzini  <bonzini@gnu.org>
13237         PR target/36090
13238         * simplify-rtx.c (simplify_plus_minus): Create CONST of
13239         similar RTX_CONST_OBJ before CONST_INT.
13241 2008-05-08  Steve Ellcey  <sje@cup.hp.com>
13243         * stmt.c (expand_stack_restore): Change sa mode if needed.
13245 2008-05-08  Richard Guenther  <rguenther@suse.de>
13247         * config/i386/i386-protos.h (ix86_return_in_memory): Adjust
13248         return type to bool.
13249         (ix86_sol10_return_in_memory): Likewise.
13250         (ix86_i386elf_return_in_memory): Likewise.
13251         (ix86_i386interix_return_in_memory): Likewise.
13252         * config/i386/i386.c (ix86_return_in_memory): Likewise.
13253         (ix86_sol10_return_in_memory): Likewise.
13254         (ix86_i386elf_return_in_memory): Likewise.
13255         (ix86_i386interix_return_in_memory): Likewise.
13257 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
13259         PR bootstrap/36180
13260         * calls.c (compute_argument_block_size ): Add ATTRIBUTE_UNUSED to
13261         fndecl argument.
13262         (emit_library_call_value_1): Add ATTRIBUTE_UNUSED to variable fndecl.
13263         * target-def.h: Check that TARGET_RETURN_IN_MEMORY isn't
13264         declared in front.
13266 2008-05-08  Richard Guenther  <rguenther@suse.de>
13268         * tree-data-ref.c (dr_analyze_alias): Do not set DR_SUBVARS.
13269         * tree-data-ref.h (struct dr_alias): Remove subvars field.
13270         (DR_SUBVARS): Remove.
13271         * tree-dfa.c (dump_subvars_for): Remove.
13272         (debug_subvars_for): Likewise.
13273         (dump_variable): Do not dump subvars.
13274         (remove_referenced_var): Do not remove subvars.
13275         * tree-flow-inline.h (clear_call_clobbered): SFTs no longer exist.
13276         (lookup_subvars_for_var): Remove.
13277         (get_subvars_for_var): Likewise.
13278         (get_subvars_at): Likewise.
13279         (get_first_overlapping_subvar): Likewise.
13280         (overlap_subvar): Likewise.
13281         * tree-flow.h (subvar_t): Remove.
13282         (struct var_ann_d): Remove subvars field.
13283         * tree-ssa-alias.c (mark_aliases_call_clobbered): Remove queued
13284         argument.  Remove special handling of SFTs.
13285         (compute_tag_properties): Likewise.
13286         (set_initial_properties): Likewise.
13287         (compute_call_clobbered): Likewise.
13288         (count_mem_refs): Likewise.
13289         (compute_memory_partitions): Likewise.
13290         (compute_flow_insensitive_aliasing): Likewise.
13291         (setup_pointers_and_addressables): Likewise.
13292         (new_type_alias): Likewise.
13293         (struct used_part): Remove.
13294         (used_portions): Likewise.
13295         (struct used_part_map): Likewise.
13296         (used_part_map_eq): Likewise.
13297         (used_part_map_hash): Likewise.
13298         (free_used_part_map): Likewise.
13299         (up_lookup): Likewise.
13300         (up_insert): Likewise.
13301         (get_or_create_used_part_for): Likewise.
13302         (create_sft): Likewise.
13303         (create_overlap_variables_for): Likewise.
13304         (find_used_portions): Likewise.
13305         (create_structure_vars): Likewise.
13306         * tree.def (STRUCT_FIELD_TAG): Remove.
13307         * tree.h (MTAG_P): Adjust.
13308         (struct tree_memory_tag): Remove base_for_components and
13309         unpartitionable flags.
13310         (struct tree_struct_field_tag): Remove.
13311         (SFT_PARENT_VAR): Likewise.
13312         (SFT_OFFSET): Likewise.
13313         (SFT_SIZE): Likewise.
13314         (SFT_NONADDRESSABLE_P): Likewise.
13315         (SFT_ALIAS_SET): Likewise.
13316         (SFT_UNPARTITIONABLE_P): Likewise.
13317         (SFT_BASE_FOR_COMPONENTS_P): Likewise.
13318         (union tree_node): Remove sft field.
13319         * alias.c (get_alias_set): Remove special handling of SFTs.
13320         * print-tree.c (print_node): Remove handling of SFTs.
13321         * tree-dump.c (dequeue_and_dump): Likewise.
13322         * tree-into-ssa.c (mark_sym_for_renaming): Likewise.
13323         * tree-nrv.c (dest_safe_for_nrv_p): Remove special handling of SFTs.
13324         * tree-predcom.c (set_alias_info): Do not set subvars.
13325         * tree-pretty-print.c (dump_generic_node): Do not handle SFTs.
13326         * tree-ssa-loop-ivopts.c (get_ref_tag): Likewise.
13327         * tree-ssa-operands.c (access_can_touch_variable): Likewise.
13328         (add_vars_for_offset): Remove.
13329         (add_virtual_operand): Remove special handling of SFTs.
13330         (add_call_clobber_ops): Likewise.
13331         (add_call_read_ops): Likewise.
13332         (get_asm_expr_operands): Likewise.
13333         (get_modify_stmt_operands): Likewise.
13334         (get_expr_operands): Likewise.
13335         (add_to_addressable_set): Likewise.
13336         * tree-ssa.c (verify_ssa_name): Do not handle SFTs.
13337         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
13338         * tree-vect-transform.c (vect_create_data_ref_ptr): Do not set subvars.
13339         * tree.c (init_ttree): Remove STRUCT_FIELD_TAG initialization.
13340         (tree_code_size): Remove STRUCT_FIELD_TAG handling.
13341         (tree_node_structure): Likewise.
13342         * tree-ssa-structalias.c (set_uids_in_ptset): Remove special
13343         handling of SFTs.
13344         (find_what_p_points_to): Likewise.
13346 2008-05-08  Sa Liu  <saliu@de.ibm.com>
13348         * config/spu/spu.md: Fixed subti3 pattern.
13350 2008-05-08  Richard Guenther  <rguenther@suse.de>
13352         PR middle-end/36154
13353         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
13354         sure to create a representative for trailing arrays for PTA.
13356 2008-05-08  Richard Guenther  <rguenther@suse.de>
13358         PR middle-end/36172
13359         * fold-const.c (operand_equal_p): Two objects which types
13360         differ in pointerness are not equal.
13362 2008-05-08  Kai Tietz  <kai.tietz@onevision.com>
13364         * calls.c (compute_argument_block_size): Add argument tree fndecl.
13365         (OUTGOING_REG_PARM_STACK_SPACE): Add function type argument.
13366         (emit_library_call_value_1): Add new variable fndecl initialized by
13367         NULL_TREE. It should be the decl type of orgfun, but this information
13368         seems not to be available here, so it uses the default calling abi.
13369         * config/arm/arm.c (arm_return_in_memory): Add fntype argumen.
13370         * config/arm/arm.h (RETURN_IN_MEMORY): Replace RETURN_IN_MEMORY
13371         by TARGET_RETURN_IN_MEMORY.
13372         * config/i386/i386-interix.h: Likewise.
13373         * config/i386/i386.h: Likewise.
13374         * config/i386/i386elf.h: Likewise.
13375         * config/i386/ptx4-i.h: Likewise.
13376         * config/i386/sol2-10.h: Likewise.
13377         * config/i386/sysv4.h: Likewise.
13378         * config/i386/vx-common.h: Likewise.
13379         * config/cris/cris.h: Removed #if 0 clause.
13380         * config/arm/arm-protos.h (arm_return_in_memory): Add fntype argument.
13381         * config/i386/i386-protos.h (ix86_return_in_memory): Add fntype
13382         argument.
13383         (ix86_sol10_return_in_memory): Likewise.
13384         (ix86_i386elf_return_in_memory): New.
13385         (ix86_i386interix_return_in_memory): New.
13386         * config/mt/mt-protos.h (mt_return_in_memory): New.
13387         * config/mt/mt.c: Likewise.
13388         * config/mt/mt.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
13389         (RETURN_IN_MEMORY):  Replace by TARGET_RETURN_IN_MEMORY.
13390         * config/bfin/bfin.h: Likewise.
13391         * config/bfin/bfin-protos.h (bfin_return_in_memory): Add fntype
13392         argument.
13393         * config/bfin/bfin.c: Likewise.
13394         * config/pa/pa.h (OUTGOING_REG_PARM_STACK_SPACE): Add FNTYPE argument.
13395         * config/alpha/unicosmk.h: Likewise.
13396         * config/i386/cygming.h: Likewise.
13397         * config/iq2000/iq2000.h: Likewise.
13398         * config/mips/mips.h: Likewise.
13399         * config/mn10300/mn10300.h: Likewise.
13400         * config/rs6000/rs6000.h: Likewise.
13401         * config/score/score.h: Likewise.
13402         * config/spu/spu.h: Likewise.
13403         * config/v850/v850.h: Likewise.
13404         * defaults.h: Likewise.
13405         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Adjust documentation.
13406         * expr.c (emit_block_move): Adjust use of
13407         OUTGOING_REG_PARM_STACK_SPACE.
13408         * function.c (STACK_DYNAMIC_OFFSET): Adjust use of
13409         OUTGOING_REG_PARM_STACK_SPACE.
13410         * targhooks.c (default_return_in_memory): Remove RETURN_IN_MEMORY.
13412 2008-05-08  Jakub Jelinek  <jakub@redhat.com>
13414         * tree-parloops.c (create_parallel_loop): Set OMP_RETURN_NOWAIT
13415         on OMP_RETURN for OMP_FOR.
13417         PR debug/35896
13418         * dwarf2out.c (dw_expand_expr, common_check): Removed.
13419         (fortran_common): New function.
13420         (gen_variable_die): Call fortran_common instead of common_check,
13421         adjust for it returning tree instead of rtx.  Formatting.
13423 2008-05-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
13425         PR rtl/7335
13426         PR rtl/33826
13427         * see.c (see_copy_insn): Copy new pure const attributes for new call.
13428         * c-decl.c (merge_decls): Ditto.
13429         * postreload.c (record_opr_changes): Change CONST_OR_PURE_CALL_P
13430         to RTL_CONST_OR_PURE_CALL_P.
13431         * tree.c (define_local_buitin): Rename DECL_IS_PURE to DECL_PURE_P.
13432         Initialized DECL_LOOPING_CONST_PURE.
13433         (process_call_operands): Set tree_side_effects properly.
13434         * tree.h (TREE_READONLY_DECL_P): Removed.
13435         (DECL_IS_PURE): Renamed to DECL_PURE_P.
13436         (DECL_LOOPING_OR_CONST_P): New macro.
13437         (struct tree_function_decl): Added looping_const_or_pure_p.
13438         (ECF_*) Renumbered.
13439         (ECF_LOOPING_OR_CONST_P): New macro.
13440         * rtlanal.c (pure_const_p): Removed.
13441         * builtins.c (expand_builtin): Rename DECL_IS_PURE to DECL_PURE_P.
13442         * reorg.c (delete_prior_computation) Changed CONST_OR_PURE_CALL_P
13443         to RTL_CONST_CALL_P.
13444         * ipa-pure-const.c (pure_const_state_e): Added looping field.
13445         (check_decl, check_tree, check_call, scan_function): Initialize
13446         looping.
13447         (analyze_function): Rename DECL_IS_PURE to DECL_PURE_P.
13448         (static_execute): Set looping true for recursive functions.
13449         Undo setting state to IPA_NEITHER for recursive functions.
13450         * cse.c (cse_insn):
13451         * ifcvt.c (noce_can_store_speculate_p): Changed
13452         CONST_OR_PURE_CALL_P and pure_call_p to RTL_CONST_CALL_P or
13453         RTL_CONST_OR_PURE_CALL_P.
13454         * dse.c (scan_insn): Ditto.
13455         * local-alloc.c (validate_equiv_mem, memref_used_between_p): Ditto.
13456         * gcse.c (oprs_not_seen_p) Changed CONST_OR_PURE_CALL_P to
13457         RTL_CONST_OR_PURE_CALL_P.
13458         (store_killed_in_insn): Changed CONST_OR_PURE_CALL_P and
13459         pure_call_p to RTL_CONST_CALL_P.
13460         * gimplify.c (gimplify_call_expr): Clear side effects for
13461         non-looping pure and constant calls.
13462         * calls.c (emit_call_1): Set rtl flags from ecf flags.
13463         (flags_from_decl_or_type): Set ecf flags from decl flags.
13464         (initialize_argument_information): Turn off
13465         ECF_LOOPING_CONST_OR_PURE when turning off ECF_CONST.
13466         Change const to pure if callee_copies is true rather than just
13467         turning off const.
13468         (expand_call): Turn off ECF_LOOPING_PURE_CONST_CALL and remove old
13469         way of marking pure calls.
13470         (emit_library_call_value_1): Turn off ECF_LOOPING_PURE_CONST_CALL.
13471         Remove hack that was supposed to fix pr7335 and remove old
13472         way of marking pure calls.
13473         * emit-rtl.c (emit_copy_of_insn_after): Copy RTL_CONST_CALL_P,
13474         RTL_PURE_CALL_P, RTL_LOOPING_CONST_OR_PURE_CALL_P.
13475         * cselib.c (cselib_process_insn): Changed CONST_OR_PURE_CALL_P to
13476         RTL_CONST_OR_PURE_CALL_P.
13477         * tree-ssa-pre.c (can_value_number_call): Fixed spacing.
13478         * loop-invariant.c (find_exits, find_invariant_bb): Changed
13479         CONST_OR_PURE_CALL_P to RTL_CONST_OR_PURE_CALL_P.
13480         * sched-deps.c (schedule_analyze): Ditto.
13481         * rtl.h (struct rtx_def): Use call field, unchanging field, and
13482         return_val field of calls to represent pure and const function info.
13483         (CONST_OR_PURE_CALL_P): Deleted macro.
13484         (RTL_CONST_CALL_P, RTL_PURE_CALL_P,
13485         RTL_LOOPING_CONST_OR_PURE_CALL_P, RTL_CONST_OR_PURE_P): New macros.
13486         * tree-inline.c (copy_body_r): Changed TREE_READONLY_DECL_P to
13487         TREE_READONLY.
13488         * tree-optimize.c (execute_fixup_cfg): Added test for
13489         ECF_LOOPING_CONST_OR_PURE.
13490         * c-common.c (handle_pure_attribute): Changed DECL_IS_PURE to
13491         DECL_PURE_P.
13492         * tree-cfg.c (update_call_expr_flags): Do not clear tree side
13493         effects for looping pure or const calls.
13494         (verify_gimple_expr): Added verification code.
13495         * config/alpha/alpha.c (alpha_legitimize_address,
13496         alpha_emit_xfloating_libcall): Changed CONST_OR_PURE_CALL_P to
13497         RTL_CONST_CALL_P.
13498         * config/s390/s390.c (s390_emit_tls_call_insn): Ditto.
13499         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Ditto.
13500         * config/mips/mips.c (mips_call_tls_get_addr): Ditto.
13501         * cfgrtl.c (need_fake_edge_p): Changed CONST_OR_PURE_CALL_P to
13502         RTL_CONST_OR_PURE_CALL_P.
13503         * dce.c (deletable_insn_p): Allow non looping, non sibling, pure
13504         and const calls to be deleted.
13506 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
13508         PR target/35714
13509         * config/i386/mmx.md (mmx_subv2sf3): New expander.
13510         (*mmx_subv2sf3): Rename from mmx_subv2sf3 insn pattern.
13511         (*mmx_eqv2sf3): Rename from mmx_eqv2sf3 insn pattern.
13512         (mmx_eqv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13513         to handle nonimmediate operands.
13514         (*mmx_paddwd): Rename from mmx_paddwd insn pattern.
13515         (mmx_paddwd): New expander.  Use ix86_fixup_binary_operands_no_copy
13516         to handle nonimmediate operands.
13517         (*mmx_pmulhrwv4hi3): Rename from mmx_pmulhrwv4hi3 insn pattern.
13518         (mmx_pmulhrwv4hi3): New expander.  Use
13519         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13520         (*sse2_umulv1siv1di3): Rename from sse2_umulv1siv1di3 insn pattern.
13521         (sse2_umulv1siv1di3): New expander.  Use
13522         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13523         (*mmx_eq<mode>3): Rename from mmx_eq<mode>3 insn pattern.
13524         (mmx_eq<mode>3): New expander.  Use
13525         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13526         (*mmx_uavgv8qi3): Rename from mmx_uavgv8qi3 insn pattern.
13527         (mmx_uavgv8qi3): New expander.  Use
13528         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13529         (*mmx_uavgv4hi3): Rename from mmx_uavgv4hi3 insn pattern.
13530         (mmx_uavgv4hi3): New expander.  Use
13531         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13533         * config/i386/sse.md
13534         (sse_movhlps_exp): New expander.  Use ix86_fixup_binary_operands
13535         to handle nonimmediate operands.
13536         (sse_movlhps_exp): New expander.  Use ix86_fixup_binary_operands
13537         to handle nonimmediate operands.
13538         (sse_loadhps_exp): New expander.  Use ix86_fixup_binary_operands
13539         to handle nonimmediate operands.
13540         (sse_loadlps_exp): New expander.  Use ix86_fixup_binary_operands
13541         to handle nonimmediate operands.
13542         (sse2_unpckhpd_exp): New expander.  Use
13543         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13544         (sse2_unpcklpd_exp): New expander.  Use
13545         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13546         (sse_loadhpd_exp): New expander.  Use ix86_fixup_binary_operands
13547         to handle nonimmediate operands.
13548         (sse_loadlpd): New expander.  Use ix86_fixup_binary_operands
13549         to handle nonimmediate operands.
13550         (*sse2_<plusminus_insn><mode>3): Rename from
13551         sse2_<plusminus_insn><mode>3 insn pattern.
13552         (sse2_<plusminus_insn><mode>3): New expander.  Use
13553         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13554         (*sse2_umulv2siv2di3): Rename from sse2_umulv2siv2di3 insn pattern.
13555         (sse2_umulv2siv2di3): New expander.  Use
13556         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13557         (*sse4_1_mulv2siv2di3): Rename from sse4_1_mulv2siv2di3 insn pattern.
13558         (sse4_1_mulv2siv2di3): New expander.  Use
13559         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13560         (*sse2_pmaddwd): Rename from sse2_pmaddwd insn pattern.
13561         (sse2_pmaddwd): New expander.  Use
13562         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13563         (*sse2_eq<mode>3): Rename from sse2_eq<mode>3 insn pattern.
13564         (sse2_eq<mode>3): New expander.  Use
13565         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13566         (*sse4_1_eqv2di3): Rename from sse4_1_eqv2di3 insn pattern.
13567         (sse4_1_eqv2di3): New expander.  Use
13568         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13569         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
13570         (sse2_uavgv16qi3): New expander.  Use
13571         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13572         (*sse2_uavgv16qi3): Rename from sse2_uavgv16qi3 insn pattern.
13573         (sse2_uavgv16qi3): New expander.  Use
13574         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13575         (*sse2_uavgv8hi3): Rename from sse2_uavgv8hi3 insn pattern.
13576         (sse2_uavgv8hi3): New expander.  Use
13577         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13578         (*ssse3_pmulhrswv8hi3): Rename from ssse3_pmulhrswv8hi3 insn pattern.
13579         (ssse3_pmulhrswv8hi3): New expander.  Use
13580         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13581         (*ssse3_pmulhrswv4hi3): Rename from ssse3_pmulhrswv4hi3 insn pattern.
13582         (ssse3_pmulhrswv4hi3): New expander.  Use
13583         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13585         (<sse>_vm<plusminus_insn><mode>3): Do not use ix86_binary_operator_ok.
13586         (<sse>_vmmul<mode>3): Ditto.
13587         (divv4sf3): Do not use ix86_fixup_binary_operands_no_copy.
13588         (divv2df3): Ditto.
13589         (ssse3_pmaddubsw128): Use register_operand for operand 1.
13590         (ssse3_pmaddubsw): Ditto.
13592         * config/i386/i386.c (struct_builtin_description)
13593         [IX86_BUILTIN_LOADHPS]: Use CODE_FOR_sse_loadhps_exp.
13594         [IX86_BUILTIN_STOREHPS]: Use CODE_FOR_sse_loadlps_exp.
13595         [IX86_BUILTIN_LOADHPD]: Use CODE_FOR_sse2_loadhpd_exp.
13596         [IX86_BUILTIN_LOADLPD]: Use CODE_FOR_sse2_loadlpd_exp.
13597         [IX86_BUILTIN_MOVHLPS]: Use CODE_FOR_sse_movhlps_exp.
13598         [IX86_BUILTIN_MOVLHPS]: Use CODE_FOR_sse_movlhps_exp.
13599         [IX86_BUILTIN_UNPCKHPD]: Use FOR_sse2_unpckhpd_exp.
13600         [IX86_BUILTIN_UNPCKLPD]: Use FOR_sse2_unpcklpd_exp.
13601         (ix86_fixup_binary_operands): Assert that src1
13602         and src2 must have the same mode when swapped.
13603         (ix86_expand_binop_builtin): Do not use ix86_fixup_binary_operands
13604         and ix86_binary_operator_ok.  Do not force operands in registers
13605         when optimizing.
13607 2008-05-07  Jan Hubicka  <jh@suse.cz>
13609         * cgraph.c (dump_cgraph_node): Update.
13610         * cgraph.h (cgraph_local_info): Break out inline summary.
13611         * cgraphunit.c (cgraph_process_new_functions): Use inliner analysis
13612         hook.
13613         * ipa-inline (inline_summary): New accestor function.
13614         (cgraph_clone_inlined_nodes, cgraph_check_inline_limits,
13615         cgraph_decide_inlining, compute_inline_parameters): Update.
13616         * ipa.c (cgraph_remove_unreachable_nodes): Remove statistics.
13618 2008-05-07  Maxim Kuvyrkov  <maxim@codesourcery.com>
13620         Cleanup ColdFire scheduling support and add V4 pipeline model.
13622         * config/m68k/m68k.md (UNSPEC_TIE): New constant.
13623         (define_attr cpu): Add cfv4 value.
13624         (define_attr type, define_attr type1): Merge into a single 'type'
13625         attribute.  Update all uses.
13626         (define_attr opx_type, define_attr opy_type, define_attr opx_access):
13627         Rearrange and update.  Rename value 'reg' to 'Rn', add value 'FPn'.
13628         Update all uses.
13629         (define_attr opx_mem, define_attr opy_mem): Remove.
13630         (define_attr op_mem): Clean up, update comment.
13631         (define_attr size): Use specific values instead of general int.
13632         (define_attr guess, define_attr split): Remove.  Update all uses.
13633         (movdf_internal, tstsi_internal, tsthi_internal, tstqi_internal,
13634         tst<mode>_68881, pushexthisi_const, movsi_const0_68000_10,
13635         movsi_const0_68040_60, movsi_const0, movsi_cf, movstrictqi_cf,
13636         zero_extendhisi2_cf, zero_extendqisi2_cfv4, cfv4_extendhisi2,
13637         68k_extendhisi2, extendqihi2, cfv4_extendqisi2, 68k_extendqisi2,
13638         floatsi<mode>2_68881, ftrunc<mode>2_68881, ftrunc<mode>2_cf,
13639         fix<mode>qi2_68881, fix<mode>hi2_68881, fix<mode>si2_68881,
13640         adddi_dishl32, addsi3_5200, add<mode>3_floatsi_68881,
13641         add<mode>3_floathi_68881, add<mode>3_floatqi_68881,
13642         add<mode>3_68881, add<mode>3_cf, subdi_dishl32, subsi3,
13643         sub<mode>3_floatsi_68881, sub<mode>3_floathi_68881,
13644         sub<mode>3_floatqi_68881, sub<mode>3_68881, sub<mode>3_cf,
13645         mulhi3, mulhisi3, mulhisisi3_s, mulsi3_68020, mulsi3_cf,
13646         umulhisi3, mulhisisi3_z, mul<mode>3_floatsi_68881,
13647         mul<mode>3_floathi_68881, mul<mode>3_floatqi_68881, fmul<mode>3_cf,
13648         div<mode>3_cf, sqrt<mode>2_cf, abs<mode>2_cf, clzsi2,
13649         one_cmplsi2_5200, subreghi1ashrdi_const32, ashrsi3, lshrsi3,
13650         bsetmemqi, bsetmemqi_ext, bclrmemqi, bclrmemqi_ext,
13651         beq, bne, bgt, blt, bordered, bunordered, buneq, bunge, bungt, bunle,
13652         bunlt, bltgt, tablejump_internal, call, non_symbolic_call_value,
13653         symbolic_call_value_jsr, symbolic_call_value_bsr, link):
13654         Update or set attributes.
13655         (stack_tie): New fake instruction.
13657         * config/m68k/m68k.h (TUNE_CFV4): New macro.
13658         (m68k_sched_attr_size): Update declaration.
13659         (m68k_sched_attr_type2): Remove.
13660         (m68k_sched_address_bypass_p, m68k_sched_indexed_address_bypass_p):
13661         Declare new bypass predicates.
13663         * config/m68k/m68k.c (m68k_sched_issue_rate,
13664         m68k_sched_first_cycle_multipass_dfa_lookahead): Declare hook
13665         implementations.
13666         (TARGET_SCHED_ISSUE_RATE,
13667         TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Override hooks.
13668         (override_options): Handle scheduling for ColdFire V4 core.
13669         (m68k_expand_prologue): Emit stack_tie.
13670         (enum attr_op_type): Split value 'OP_TYPE_REG' to 'OP_TYPE_RN' and
13671         'OP_TYPE_FPN'.  Update all uses.
13672         (sched_guess_p): Remove.
13673         (sched_address_type): Handle symbolic addresses.
13674         (sched_get_operand): New static function.
13675         (sched_operand_type): Merge into sched_attr_op_type.
13676         (sched_attr_op_type): Handle FP registers, handle quick constants,
13677         update.
13678         (m68k_sched_attr_opx_type, m68k_sched_attr_opy_type): Update.
13679         (m68k_sched_attr_size): Update.  Move logic to ...
13680         (sched_get_attr_size_int): New static function.
13681         (sched_get_opxy_mem_type): New static function.
13682         (m68k_sched_attr_op_mem): Update.
13683         (m68k_sched_attr_type2): Remove.
13684         (sched_cfv4_bypass_data): New static variable.
13685         (m68k_sched_adjust_cost): Handle ColdFire V4 bypass.
13686         (m68k_sched_issue_rate): Implement scheduler hook.
13687         (struct _sched_ib: enabled_p): New field.
13688         (m68k_sched_variable_issue): Update.  Handle V4.
13689         (SCHED_DUMP_TODO, SCHED_DUMP_DONE, SCHED_DUMP_NOTHING,
13690         sched_dump_class_func_t, sched_dump_split_class,
13691         sched_dump_dfa_guess_unit_code, sched_dump_dfa_state,
13692         sched_dump_dfa_class, m68k_sched_dump): Remove.
13693         (m68k_sched_first_cycle_multipass_dfa_lookahead): Implement scheduler
13694         hook.
13695         (m68k_sched_init_global): Remove statisctics dumping, introduce
13696         sanity check that all instructions have pipeline reservations.  Handle
13697         ColdFire V4 core.
13698         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
13699         Handle ColdFire V4 core.
13700         (sched_mem_operand_p, sched_get_reg_operand, sched_get_mem_operand):
13701         New static functions.
13702         (m68k_sched_address_bypass_p): New bypass predicate.
13703         (sched_get_indexed_address_scale): New static function.
13704         (m68k_sched_indexed_address_bypass_p): New bypass predicate.
13706         * cf.md: Update comments.
13707         (define_attr type2): Remove.  Use 'type' attribute instead.
13708         Update all uses.
13709         (cf_ib): Rename to cfv123_ib.  Update all uses.
13710         (cf_oep): Rename to cfv123_oep.  Update all uses.
13711         (cf_chr): Rename to cfv123_chr.  Update all uses.
13712         (cf_mem): Rename to cfv123_mem.  Update all uses.
13713         (cf_mac): Move to more appropriate place.
13714         (cfv123_guess): New automaton and cpu_unit.
13715         (cfv123_*, cfv12_*, cfv1_*, cfv2_*, cfv3_*): Use type attribute.
13716         Update uses of 'size' attribute.  Handle before reload scheduling.
13717         (cfv123_guess): New dummy reservation for unhandled instructions.
13718         (cfv4_*): Pipeline description of ColdFire V4 core.
13719         (ignore): New reservation to handle 'ignore' type.
13721 2008-05-07  Ian Lance Taylor  <iant@google.com>
13723         PR middle-end/36013
13724         * gimplify.c (find_single_pointer_decl_1): Don't look through
13725         indirections.
13726         (find_single_pointer_decl): Adjust comments.
13728 2008-05-07  Jakub Jelinek  <jakub@redhat.com>
13730         PR middle-end/36137
13731         * fold-const.c (fold_binary): Use STRIP_SIGN_NOPS instead of
13732         STRIP_NOPS on arguments even for MIN_EXPR and MAX_EXPR.
13734         PR middle-end/36106
13735         * omp-low.c (expand_omp_atomic_pipeline): Load value using the
13736         integral type rather than floating point, then VIEW_CONVERT_EXPR
13737         to the floating point type.
13739 2008-05-07  Uros Bizjak  <ubizjak@gmail.com>
13741         * config/i386/i386.c (ix86_expand_copysign): Force non-zero constant
13742         TFmode op0 to register.
13744 2008-05-07  Alan Modra  <amodra@bigpond.net.au>
13746         * c-decl.c (grokdeclarator): Comment typo.
13748 2008-05-06  Aldy Hernandez  <aldyh@redhat.com>
13750         * tree-flow.h: Remove prototype for computed_goto_p.
13751         * tree-cfg.c (computed_goto_p): Make static.
13753 2008-05-06  H.J. Lu  <hongjiu.lu@intel.com>
13755         PR target/35657
13756         * config/i386/i386.c (contains_128bit_aligned_vector_p): Renamed to ...
13757         (contains_aligned_value_p): This.  Handle _Decimal128.
13758         (ix86_function_arg_boundary): Only align _Decimal128 to its
13759         natural boundary and handle it properly.
13761 2008-05-06  Martin Jambor  <mjambor@suse.cz>
13763         * ipa-cp.c (ipcp_method_orig_node): Renamed to ipcp_get_orig_node.
13764         (ipcp_method_is_cloned): Renamed to ipcp_node_is_clone
13765         (ipcp_method_set_orig_node): Removed.
13766         (ipcp_cval_get_cvalue_type): Removed.
13767         (ipcp_method_get_scale): Renamed to ipcp_get_node_scale.
13768         (ipcp_method_set_scale): Renamed to ipcp_set_node_scale.
13769         (ipcp_cval_set_cvalue_type): Removed.
13770         (ipcp_cval_get_cvalue): Removed.
13771         (ipcp_cval_set_cvalue): Removed.
13772         (ipcp_type_is_const): Renamed to ipcp_lat_is_const.
13773         (ipcp_cval_equal_cvalues): Renamed to ipcp_lats_are_equal
13774         (ipcp_lats_are_equal): Changed parameters to two ipcp_lattice's
13775         (ipcp_cval_meet): Renamed to ipa_lattice_meet
13776         (ipcp_cval_changed): Changed to use ipcp_lat_is_const
13777         (ipcp_method_cval): Renamed to ipcp_get_ith_lattice
13778         (ipcp_get_ith_lattice): Changed parameters.
13779         (ipcp_cval_compute): Renamed to ipcp_lattice_from_jfunc
13780         (ipcp_lattice_from_jfunc): Changed parameters.
13781         (ipcp_redirect): Local lattice pointer instead of lattice type variable.
13782         (ipcp_method_cval_print): Added temporary variable info.
13783         (ipcp_redirect): Removed already unused local variable caller.
13784         (ipcp_redirect): New temporary variable orig_callee_info
13785         (ipcp_redirect): Removed newly unused local variable callee.
13786         (ipcp_redirect): Removed (a bit confusing) local variable type.
13787         (ipcp_insert_stage): Added local variable info.
13788         (ipcp_cval_changed): Renamed to ipcp_lattice_changed, parameters
13789         renamed too
13790         (ipcp_formal_create): Removed.
13791         (ipcp_method_cval_set): Removed.
13792         (ipcp_propagate_stage): Renamed lattice variables.
13793         (ipcp_method_cval_set_cvalue_type): Removed.
13794         (ipcp_method_cval_print): Renamed to ipcp_print_all_lattices
13795         (ipcp_print_all_lattices): Changed printed strings to refer to
13796         lattices rather than cvals.
13797         (ipcp_method_cval_init): Renamed to ipcp_initialize_node_lattices
13798         (ipcp_propagate_const): Changed formal parameters.
13799         (build_const_val): Changed formal parameters.
13800         (ipcp_insert_stage): Removed useless variable cvalue
13801         (build_const_val): Changed formal parameters.
13802         (ipcp_method_compute_scale): Renamed to ipcp_compute_node_scale
13803         (ipcp_after_propagate): Renamed to ipcp_change_tops_to_bottom
13804         (ipcp_callsite_param_print): Renamed to ipcp_print_all_jump_functions
13805         (ipcp_profile_mt_count_print): Renamed to ipcp_print_func_profile_counts
13806         (ipcp_print_func_profile_counts): Changed string from "method" to
13807         "function"
13808         (ipcp_profile_cs_count_print): Renamed to ipcp_print_call_profile_counts
13809         (ipcp_profile_edge_print): Renamed to ipcp_print_edge_profiles
13810         (ipcp_profile_bb_print): Renamed to ipcp_print_bb_profiles
13811         (ipcp_structures_print): Renamed to ipcp_print_all_structures
13812         (ipcp_profile_print): Renamed to ipcp_print_profile_data
13813         (ipcp_lat_is_const): Changed parameters and made inline.
13814         (ipcp_replace_map_create): Renamed to ipcp_create_replace_map
13815         (ipcp_redirect): Renamed to ipcp_need_redirect_p
13816         (ipcp_need_redirect_p): Calls ipcp_lat_is_const instead of using
13817         the predicate condition directly
13818         (ipcp_propagate_stage): Added local variable args. Removed local
13819         variable callee.  (Both are mere code simplifications.)
13820         (ipcp_method_dont_insert_const): Renamed to
13821         ipcp_node_not_modifiable_p.
13822         (ipcp_node_not_modifiable_p): Made inline.
13823         (ipcp_cloned_create): Renamed to ipcp_init_cloned_node
13824         (ipcp_propagate_const): Renamed to ipcp_propagate_one_const
13825         (ipcp_print_all_lattices): Removed variable cvalue
13826         (ipcp_method_scale_print): Renamed to ipcp_function_scale_print
13827         Updated comments.
13829 2008-05-06  Olivier Hainque  <hainque@adacore.com>
13831         * tree-sra.c (try_instantiate_multiple_fields): Early return
13832         if field has POINTER_TYPE.
13834 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
13836         * config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm
13837         by using 'q' specifier for instruction.
13838         (ix86_file_end): Replaced case TARGET_64BIT_MS_ABI by TARGET_64BIT.
13840 2008-05-06  Anatoly Sokolov <aesok@post.ru>
13842         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
13843         Change mode of zero_extract from QImode to HImode.
13844         (sign bit tests peepholes): (Ditto.).
13846 2008-05-06  Uros Bizjak  <ubizjak@gmail.com>
13848         * config/i386/mmx.md: Remove double backslashes from asm templates.
13849         (*mmx_addv2sf3): Rename from mmx_addv2sf3 insn pattern.
13850         (mmx_addv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13851         to handle nonimmediate operands.
13852         (*mmx_mulv2sf3): Rename from mmx_mulv2sf3 insn pattern.
13853         (mmx_mulv2sf3): New expander.  Use ix86_fixup_binary_operands_no_copy
13854         to handle nonimmediate operands.
13855         (*mmx_<code>v2sf3_finite): New insn pattern.
13856         (*mmx_<code>v2sf3): Rename from mmx_<code>v2sf3 insn pattern.
13857         (mmx_<code>v2sf3): New expander.  Use
13858         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13859         (mmx_<plusminus_insn><mode>3): New expander.  Use
13860         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13861         (*mmx_<plusminus_insn><mode>3): New insn pattern.
13862         (mmx_add<mode>3): Removed.
13863         (mmx_ssadd<mode>3): Ditto.
13864         (mmx_usadd<mode>3): Ditto.
13865         (mmx_sub<mode>3): Ditto.
13866         (mmx_sssub<mode>3): Ditto.
13867         (mmx_ussub<mode>3): Ditto.
13868         (*mmx_mulv4hi3): Rename from mmx_mulv4hi3 insn pattern.
13869         (mmx_mulv4hi3): New expander.  Use ix86_fixup_binary_operands_no_copy
13870         to handle nonimmediate operands.
13871         (*mmx_smulv4hi3_highpart): Rename from mmx_smulv4hi3_highpart
13872         insn pattern.
13873         (mmx_smulv4hi3_highpart): New expander.  Use
13874         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13875         (*mmx_umulv4hi3_highpart): Rename from mmx_umulv4hi3_highpart
13876         insn pattern.
13877         (mmx_umulv4hi3_highpart): New expander.  Use
13878         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13879         (*mmx_<code>v4hi3): Rename from mmx_<code>v4hi3 insn pattern.
13880         (mmx_<code>v4hi3): New expander.  Use
13881         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13882         (*mmx_<code>v8qi3): Rename from mmx_<code>v8qi3 insn pattern.
13883         (mmx_<code>v8qi3): New expander.  Use
13884         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13885         (*mmx_<code><mode>3): Rename from mmx_<code><mode>3 insn pattern.
13886         (mmx_<code><mode>3): New expander.  Use
13887         ix86_fixup_binary_operands_no_copy to handle nonimmediate operands.
13889 2008-05-05  Jan Hubicka  <jh@suse.cz>
13891         PR tree-optimization/36118
13892         * passes.c (pass_init_dump_file): Fix dump header.
13894 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13896         PR middle-end/36141
13897         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Don't create
13898         VCE for function decls.
13900 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
13902         * config/i386/sse.md (sse2_<plusminus_insn><mode>3): Fix a typo.
13904 2008-05-05  H.J. Lu  <hongjiu.lu@intel.com>
13906         * config/i386/i386.md (sat_plusminus): New.
13907         (plusminus_insn): Likewise.
13908         (plusminus_mnemonic): Likewise.
13909         (addsub): Removed.
13910         (comm): Add ss_plus, us_plus, ss_minus and us_minus.
13911         (*<addsub><mode>3_cc_overflow): Renamed to ...
13912         (*<plusminus_insn><mode>3_cc_overflow): This.
13913         (*<addsub>si3_zext_cc_overflow): Renamed to ...
13914         (*<plusminus_insn>si3_zext_cc_overflow): This.
13916         * config/i386/sse.md (<addsub><mode>3): Renamed to ...
13917         (<plusminus_insn><mode>3): This.
13918         (*<addsub><mode>3): Renamed to ...
13919         (*<plusminus_insn><mode>3): This.
13920         (<sse>_vm<addsub><mode>3): Renamed to ...
13921         (<sse>_vm<plusminus_insn><mode>3): This.
13922         (sse3_h<addsub>v4sf3): Renamed to ...
13923         (sse3_h<plusminus_insn>v4sf3): This.
13924         (sse3_h<addsub>v2df3): Renamed to ...
13925         (sse3_h<plusminus_insn>v2df3): This.
13926         (<plusminus_insn><mode>3): New.
13927         (*<plusminus_insn><mode>3): Likewise.
13928         (sse2_<plusminus_insn><mode>3): Likewise.
13929         (add<mode>): Removed.
13930         (*add<mode>3): Likewise.
13931         (sse2_ssadd<mode>3): Likewise.
13932         (sse2_usadd<mode>3): Likewise.
13933         (sub<mode>3): Likewise.
13934         (*sub<mode>3): Likewise.
13935         (sse2_sssub<mode>3): Likewise.
13936         (sse2_ussub<mode>3): Likewise.
13938 2008-05-05  Benjamin Kosnik  <bkoz@redhat.com>
13940         * gthr-single.h: Add in required interface elements as per gthr.h.
13941         Add stub types for __gthread_key_t, __gthread_once_t. Add defines
13942         for __GTHREAD_ONCE_INIT, __GTHREAD_RECURSIVE_MUTEX_INIT.
13943         Generalize UNUSED macro.
13944         (__gthread_once): Add.
13945         (__gthread_key_create): Add.
13946         (__gthread_key_delete): Add.
13947         (__gthread_getspecific): Add.
13948         (__gthread_setspecific): Add.
13950 2008-05-05  Andrew Pinski  <Andrew.Pinski@playstation.sony.com>
13952         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): If we have
13953         the same size types for the indirect reference on the rhs, then
13954         create a VCE.
13956 2008-05-05  Uros Bizjak  <ubizjak@gmail.com>
13958         * config/i386/i386.md
13959         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit): Use only
13960         one insn template instead of template series.
13961         (*xordi_1_rex64): Ditto.
13962         (*xordi_2_rex64): Ditto.
13964 2008-05-05  Ira Rosen  <irar@il.ibm.com>
13966         PR tree-optimization/36119
13967         * tree-vect-transform.c (vectorizable_assignment): Set NCOPIES to 1
13968         in case of SLP.
13970 2008-06-04  Jan Hubicka  <jh@suse.cz>
13972         tree-optimization/36100
13973         * tree-pass.h (pass_O0_always_inline): Declare.
13974         * ipa-inline.c (inline_transform): Remove dead code.
13975         (cgraph_gate_O0_always_inline, cgraph_O0_always_inline,
13976         pass_O0_always_inline): New.
13977         * passes.c (init_optimization_passes): Add pass_O0_always_inline.
13979 2008-05-04  Kai Tietz  <kai.tietz@onevision.com>
13981         * config/i386/i386.c (x86_output_mi_thunk): Use movq alternative
13982         mnemonic in this_param move for TARGET_64BIT.
13984 2008-05-04  Uros Bizjak  <ubizjak@gmail.com>
13986         * config/i386/i386.md (*strmovsi_1): Simplify asm alternatives.
13987         (*strmovsi_rex_1): Ditto.
13988         (*strsetsi_1): Ditto.
13989         (*strsetsi_rex_1): Ditto.
13991         (add<mode>cc): Macroize expander from addqicc, addhicc, addsicc and
13992         adddicc expanders using SWI mode iterator.
13994 2008-05-04  H.J. Lu  <hongjiu.lu@intel.com>
13996         PR target/36121
13997         * config/i386/i386.c (ix86_expand_special_args_builtin): Remove three
13998         argument handling.
14000 2008-05-04  David S. Miller  <davem@davemloft.net>
14002         * config.gcc (sparc*-*-*): Always set need_64bit_hwint to yes.
14003         (sparc*-*-linux*): Use linux.h in tm_file.
14004         (sparc-*-linux*): If 'enabled_targets' is 'all', build a bi-arch
14005         compiler defaulting to 32-bit.
14006         (sparc*-*-*): Remove explicit target settings of need_64bit_hwint,
14007         no longer needed.
14008         * config/sparc/linux.h: Remove definitions now obtained
14009         properly from linux.h
14010         * config/sparc/linux64.h: Likewise.
14011         (ASM_CPU_DEFAULT_SPEC): Change this to ASM_CPU64_DEFAULT_SPEC, we
14012         don't want this setting for 32-bit builds in a biarch compiler.
14013         * doc/install.texi: Add sparc-linux to list of targets
14014         supporting --enable-targets=all.
14016 2008-05-03  Andrew Pinski  <pinskia@gmail.com>
14018         * Makefile.in (tree-ssa-phiprop.o): Fix dependencies.
14020 2008-05-03  H.J. Lu  <hongjiu.lu@intel.com>
14022         * config/i386/i386.c (ix86_builtin_type): Move V4SI_FTYPE_V4SF
14023         after V4SI_FTYPE_V8HI.
14024         (ix86_init_mmx_sse_builtins): Move case V4HI_FTYPE_V4HI after
14025         case V4SI_FTYPE_V2DF.
14027 2008-05-03  Kenneth Zadeck  <zadeck@naturalbridge.com>
14029         * doc/invoke.texi (max-flow-memory-locations): Removed.
14030         * params.def (PARAM_MAX_FLOW_MEMORY_LOCATIONS): Removed.
14032 2008-05-03  Richard Guenther  <rguenther@suse.de>
14034         PR middle-end/34973
14035         * opts.c (set_Wstrict_aliasing): Handle the turn-off case.
14037 2008-05-02  David S. Miller  <davem@davemloft.net>
14039         * config.gcc (need_64bit_hwint): Document libcpp dependency.
14041 2008-05-02  Simon Baldwin <simonb@google.com>
14043         PR bootstrap/36108
14044         * c-common.h (warn_array_subscript_range): Removed.
14045         * c-common.c (warn_array_subscript_range): Ditto.
14046         * tree-vrp.c (check_array_ref): Revert to ignoring arrays with size 2.
14047         * c-typeck.c (build_array_ref): Remove warn_array_subscript_range.
14049 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
14051         * config/i386/i386.c (ix86_special_builtin_type): New.
14052         (bdesc_special_args): Likewise.
14053         (ix86_expand_special_args_builtin): Likewise.
14054         (ix86_init_mmx_sse_builtins): Updated.
14055         (ix86_expand_builtin): Updated.
14056         (ix86_expand_store_builtin): Removed.
14057         (ix86_expand_unop_builtin): Likewise.
14059         * config/i386/mm3dnow.h (__v2sf): Moved to ...
14060         * config/i386/mmintrin.h (__v2sf): Here.
14062         * config/i386/xmmintrin.h (_mm_loadh_pi): Replace __v2si with
14063         const __v2sf.
14064         (_mm_loadl_pi): Likewise.
14065         (_mm_storeh_pi): Replace __v2si with __v2sf.
14066         (_mm_storel_pi): Likewise.
14068         * doc/extend.texi: Correct __builtin_ia32_loadhps,
14069         __builtin_ia32_loadlps, __builtin_ia32_storehps,
14070         __builtin_ia32_storelps, __builtin_ia32_loadhpd and
14071         __builtin_ia32_loadlpd.
14073 2008-05-02  H.J. Lu  <hongjiu.lu@intel.com>
14075         * config/i386/i386.c (ix86_builtin_type): Add FLOAT_FTYPE_FLOAT,
14076         V4SF_FTYPE_V4SF_VEC_MERGE and V2DF_FTYPE_V2DF_VEC_MERGE.
14077         (bdesc_args): Updated.  Add scalar SSE builtins with vec_merge.
14078         (ix86_init_mmx_sse_builtins): Updated.
14079         (ix86_expand_args_builtin): Likewise.
14080         (ix86_expand_builtin): Likewise.
14081         (ix86_expand_unop1_builtin): Renamed to ...
14082         (ix86_expand_unop_vec_merge_builtin): This.
14084 2008-05-01  Jan Hubicka  <jh@suse.cz>
14086         PR bootstrap/36100
14087         * ipa-inline.c (inline_generate_summary): Make static.
14088         (inline_transform): Do not call inlining at -O0; make static.
14089         * passes.c (execute_todo): Add sanity check.
14090         (execute_one_ipa_transform_pass): Execute proper flags.
14092 2008-05-01  Eric Botcazou  <ebotcazou@adacore.com>
14094         * tree.h (TYPE_NONALIASED_COMPONENT): Expand comment.
14095         (DECL_NONADDRESSABLE_P): Likewise.
14096         * alias.c (record_component_aliases): Fix comment.
14098 2008-05-01  Simon Baldwin <simonb@google.com>
14100         * c-common.h (warn_array_subscript_range): New function.
14101         * c-common.c (warn_array_subscript_range): Ditto.
14102         * tree-vrp.c (check_array_ref): Corrected code to agree with
14103         comment, ignoring only arrays of size 0 or size 1.
14104         * c-typeck.c (build_array_ref): Call warn_array_subscript_range.
14106 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
14108         * config/i386/i386.c (ix86_builtin_type): Replace
14109         DI_FTYPE_DI_DI_INT with V1DI2DI_FTYPE_V1DI_V1DI_INT.
14110         (bdesc_args): Updated.
14111         (ix86_init_mmx_sse_builtins): Likewise.
14112         (ix86_expand_args_builtin): Likewise.
14114         * config/i386/tmmintrin.h (_mm_alignr_pi8): Replace long long
14115         with __v1di.
14117         * doc/extend.texi: Correct __builtin_ia32_palignr.
14119 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
14121         PR target/36095
14122         * config/i386/i386.c (bdesc_crc32): Removed.
14123         (ix86_expand_crc32): Likewise.
14124         (ix86_builtin_type): Replace V2DI2TI_FTYPE_V2DI2TI_INT with
14125         V2DI2TI_FTYPE_V2DI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT with
14126         V2DI2TI_FTYPE_V2DI_V2DI_INT.  Add UINT64_FTYPE_UINT64_UINT64,
14127         UINT_FTYPE_UINT_UINT, UINT_FTYPE_UINT_USHORT and
14128         UINT_FTYPE_UINT_UCHAR.
14129         (bdesc_args): Updated. Add crc32 builtins.
14130         (ix86_init_mmx_sse_builtins): Updated.
14131         (ix86_expand_args_builtin): Updated to support subreg.
14133         * doc/extend.texi: Correct __builtin_ia32_crc32di.
14135 2008-05-01  Jan Hubicka  <jh@suse.cz>
14137         * tree-pass.h (opt_pass): Add IPA_PASS.
14138         (varpool_node, cgraph_node): Forward declare.
14139         (ipa_opt_pass): Define.
14140         (pass_ipa_inline): Turn into ipa_opt_pass.
14141         (pass_apply_inline): Remove.
14142         * ipa-inline.c (pass_ipa_inline): Turn into ipa_opt_pass.
14143         (apply_inline): Turn into ....
14144         (inline_transform): ... this one.
14145         (inline_generate_summary): New function.
14146         (pass_apply_inline): Remove.
14147         * function.h (ipa_opt_pass): Forward declare structure; typedef;
14148         vector.
14149         (struct function): Add ipa_transforms_to_apply.
14150         * passes.c (register_one_dump_file): Work on IPA_PASS.
14151         (init_optimization_passes): Remove pass_inline_parameters and
14152         pass_apply_inline.
14153         (pass_init_dump_file, pass_fini_dump_file): Break out from ....
14154         (execute_one_pass) ... here; apply transforms when possible.
14155         (add_ipa_transform_pass, execute_ipa_summary_asses,
14156         execute_one_ipa_transform_pass): New.
14157         (execute_ipa_pass_list): Update for IPA_PASS type.
14159 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
14161         * config/i386/i386.c (ix86_builtin_type): Add
14162         V2DI_FTYPE_V2DI_V16QI, V2DI_FTYPE_V2DI_UINT_UINT and
14163         V2DI_FTYPE_V2DI_V2DI_UINT_UINT.
14164         (bdesc_args): Add SSE4a builtins.
14165         (ix86_init_mmx_sse_builtins): Updated.
14166         (ix86_expand_args_builtin): Likewise.
14167         (ix86_expand_builtin): Likewise.
14169 2008-05-01  H.J. Lu  <hongjiu.lu@intel.com>
14171         * config/i386/i386.c (ix86_builtin_type): Add
14172         V8HI_FTYPE_V8HI_V8HI_COUNT, V8HI_FTYPE_V8HI_SI_COUNT,
14173         V4SI_FTYPE_V4SI_V4SI_COUNT, V4SI_FTYPE_V4SI_SI_COUNT,
14174         V4HI_FTYPE_V4HI_V4HI_COUNT, V4HI_FTYPE_V4HI_SI_COUNT,
14175         V2DI_FTYPE_V2DI_V2DI_COUNT, V2DI_FTYPE_V2DI_SI_COUNT,
14176         V2SI_FTYPE_V2SI_V2SI_COUNT, V2SI_FTYPE_V2SI_SI_COUNT,
14177         V1DI_FTYPE_V1DI_V1DI_COUNT, V1DI_FTYPE_V1DI_SI_COUNT,
14178         V8HI_FTYPE_V8HI_INT, V4SI_FTYPE_V4SI_INT, V4HI_FTYPE_V4HI_INT,
14179         V2DI2TI_FTYPE_V2DI2TI_INT, V2DI2TI_FTYPE_V2DI2TI_V2DI2TI_INT
14180         and DI_FTYPE_DI_DI_INT.
14181         (bdesc_args): Add MMX/SSE shift, shuffle and palignr builtins.
14182         (ix86_init_mmx_sse_builtins): Updated.
14183         (ix86_expand_args_builtin): Likewise.
14184         (ix86_expand_builtin): Likewise.
14185         (ix86_expand_binop_imm_builtin): Removed.
14187         * doc/extend.texi: Correct __builtin_ia32_palignr128.
14189 2008-04-30  Richard Guenther  <rguenther@suse.de>
14191         PR tree-optimization/32921
14192         * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
14194 2008-04-30  Richard Sandiford  <rsandifo@nildram.co.uk>
14196         * config/arm/arm.c (arm_unwind_emit): Use
14197         crtl->all_throwers_are_sibcalls instead of
14198         cfun->all_throwers_are_sibcalls.
14199         (arm_output_fn_unwind): Likewise.
14200         * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
14201         instead of cfun->uses_pic_offset_table.
14202         (frv_expand_prologue): Likewise.
14203         (frv_frame_pointer_required): Likewise.
14204         (frv_expand_fdpic_call): Likewise.
14205         (frv_emit_movsi): Likewise.
14206         * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
14207         cfun->returns_pcc_struct instead of
14208         current_function_returns_pcc_struct.
14209         * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
14210         instead of cfun->calls_eh_return.
14211         (m32c_pushm_popm): Likewise.
14212         * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
14213         "extern" declaration.
14215 2008-04-30  Richard Guenther  <rguenther@suse.de>
14217         PR tree-optimization/21636
14218         * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
14219         constant address.
14220         (evaluate_stmt): Print the likely value.
14221         (ccp_visit_stmt): Avoid excessive vertical spacing.
14223 2008-04-30  Rafael Espindola  <espindola@google.com>
14225         * builtins.c (fold_call_expr): Return realret.
14226         * tree-ssa-threadedge.c
14227         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
14228         __builtin_object_size.
14230 2008-04-30  Seongbae Park  <seongbae.park@gmail.com>
14232         * gcc.c (wrapper_string): New variable.
14233         (insert_wrapper): New function.
14234         (execute): New option -wrapper.
14235         * doc/invoke.texi (Overall Options): New driver option -wrapper.
14237 2008-04-30  Nathan Froyd  <froydnj@codesourcery.com>
14239         * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
14240         config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
14241         config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
14242         from...
14243         * config/rs6000/crtsavres.asm: ...here.  Remove unneeded file.
14244         * config/rs6000/e500crtres32gpr.asm, config/rs6000/e500crtres64gpr.asm,
14245         config/rs6000/e500crtres64gprctr.asm,
14246         config/rs6000/e500crtrest32gpr.asm, config/rs6000/e500crtrest64gpr.asm,
14247         config/rs6000/e500crtresx32gpr.asm, config/rs6000/e500crtresx64gpr.asm,
14248         config/rs6000/e500crtsav32gpr.asm, config/rs6000/e500crtsav64gpr.asm,
14249         config/rs6000/e500crtsav64gprctr.asm,
14250         config/rs6000/e500crtsavg32gpr.asm, config/rs6000/e500crtsavg64gpr.asm,
14251         config/rs6000/e500crtsavg64gprctr.asm: New files.
14252         * config/rs6000/t-ppccomm: Add build rules for new files.
14253         (LIB2FUNCS_STATIC_EXTRA): Add new files.
14254         * config/rs6000/t-netbsd: Add build rules for new files.
14255         (LIB2FUNCS_STATIC_EXTRA): New variable.
14256         * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
14257         (CRTSAVRES_DEFAULT_SPEC): Likewise.
14258         * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
14260 2008-04-30  H.J. Lu  <hongjiu.lu@intel.com>
14262         * config/i386/i386.c (ix86_builtin_type): Add
14263         FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
14264         V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
14265         V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
14266         V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
14267         V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
14268         V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
14269         V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
14270         V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
14271         V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
14272         V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
14273         V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
14274         V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
14275         V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
14276         V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
14277         V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
14278         V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
14279         V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
14280         V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
14281         V1DI_FTYPE_V2SI_V2SI.
14282         (bdesc_2arg): Moved to ...
14283         (bdesc_args): Here.
14284         (ix86_init_mmx_sse_builtins): Updated.
14285         (ix86_expand_args_builtin): Updated.  Take a pointer
14286         to const struct builtin_description.  Handle comparison
14287         builtin functions.
14288         (ix86_expand_sse_compare): Take a new argument for swapping operands.
14289         (ix86_expand_builtin): Updated.
14291         * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
14292         (ssse3_pmaddubsw128): This.
14293         (ssse3_pmaddubswv4hi3): Renamed to ...
14294         (ssse3_pmaddubsw): This.
14296         * doc/extend.texi (__builtin_ia32_packsswb128): Correct prototype.
14297         (__builtin_ia32_packssdw128): Likewise.
14298         (__builtin_ia32_packuswb128): Likewise.
14299         (__builtin_ia32_pmaddubsw): Likewise.
14300         (__builtin_ia32_pmaddubsw128): Likewise.
14302 2008-04-30  Richard Guenther  <rguenther@suse.de>
14304         PR tree-optimization/14847
14305         * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
14306         (recognize_bits_test): Use it.
14307         (recognize_single_bit_test): Likewise.
14309 2008-04-30  Martin Jambor  <mjambor@suse.cz>
14311         * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
14312         instead of setting number of formal parameters to zero.
14313         (ipcp_init_stage): Do not set the number of actual parameters to zero
14314         either.
14315         (ipcp_propagate_stage): Explicitly skipping all calls to nodes
14316         which are called with variable number of arguments.
14317         (ipcp_insert_stage): Explicitely skipping all nodes which are
14318         called with variable number of arguments.
14319         (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
14320         number of parameters.
14322         * ipa-prop.h (struct ipa_node_params): Added flag
14323         called_with_var_arguments
14324         (ipa_set_param_count): Added.  Changed sole setter to use it.
14325         (ipa_get_param_count): Added.  All readers of param_count
14326         converted to use it instead.
14327         (ipa_set_called_with_variable_arg): Added.
14328         (ipa_is_called_with_var_arguments): Added.
14329         (ipa_get_ith_param): Added.  All readers of param_decls converted
14330         to use it instead.
14331         (ipa_set_cs_argument_count): Added, sole writer to argument_count
14332         changed to use it.
14333         (ipa_get_cs_argument_count): Added, all readers of argument_count
14334         changed to cal it.
14335         (ipa_get_ith_jump_func): Added. Accessors of jump values changed
14336         to use it.
14338         * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
14339         (struct ipcp_lattice): Renamed cval_type to type
14340         (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
14342         * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
14343         (ipcp_cval_set_cvalue): Changed type of parameter value to tree
14344         (ipcp_insert_stage): Changed the type of variable cvalue to tree
14345         (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
14346         (build_const_val): Changed the type of parameter cvalue to tree
14347         (ipcp_propagate_const): Changed the type of parameter cvalue to tree
14348         (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
14350         * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
14351         constant
14353         * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
14354         (ipa_methodlist_not_empty): Removed, the sole user now checks directly
14355         (ipa_add_method): Renamed to ipa_push_func_to_list
14356         (ipa_remove_method): Renamed to ipa_pop_func_from_list
14357         (ipa_callsite_param_count): Removed.
14358         (ipa_callsite_param_count_set): Removed.
14359         (ipa_callsite_param): Removed.
14360         (ipa_callsite_callee): Removed.
14361         (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
14362         (ipa_callsite_compute_count): Renamed to ipa_count_arguments
14363         (ipa_method_formal_count): Removed.
14364         (ipa_method_formal_count_set): Removed.
14365         (ipa_method_get_tree): Removed.
14366         (ipa_method_tree_map_create): Removed.
14367         (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
14368         (ipa_create_param_decls_array): Creates the array itself
14369         (ipa_create_param_decls_array): Temporary variable info instead of
14370         a few dereferences.
14371         (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
14372         (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
14373         (get_type): Removed.
14374         (ipa_jf_get_info_type): Removed.
14375         (ipa_node_create): Renamed to ipa_create_node_params
14376         (ipa_free): Renamed to ipa_free_all_node_params
14377         (ipa_nodes_create): Renamed to ipa_create_all_node_params
14378         (ipa_edges_create): Renamed to ipa_create_all_edge_args
14379         (ipa_edges_free): Renamed to ipa_free_all_edge_args
14380         (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
14381         (ipa_free_all_node_params): Deallocation to jump_functions moved to
14382         ipa_free_all_edge_args
14383         (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
14384         (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
14385         (ipa_create_methodlist_node): Removed.
14386         (ipa_methodlist_method): Removed.
14387         (ipa_methodlist_method_set): Removed.
14388         (ipa_methodlist_next_method): Removed.
14389         (ipa_methodlist_next_method_set): Removed.
14390         (ipa_method_is_modified): Removed.
14391         (ipa_method_modify_create): Removed.
14392         (ipa_method_modify_init): Temporary variable info instead of a few
14393         dereferences.
14394         (ipa_detect_param_modifications): Temporary variable info instead of
14395         a few dereferences.
14396         (ipa_compute_jump_functions): Temporary variable info instead of
14397         a few dereferences.
14398         (ipa_method_modify_set): Removed.
14399         (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
14400         (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
14401         than craph_node as the first parameter.
14402         (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
14403         (ipa_method_modify_init): Removed.
14404         (ipa_compute_jump_functions): Added a temp variable instead of
14405         repeatadly dereferencing the cgraph_edge.aux pointer
14406         (ipa_callsite_param_set_type): Removed.
14407         (ipa_compute_jump_functions): i renamed to index and moved to
14408         an inner block
14409         (ipa_callsite_param_set_info_type_formal): Removed.
14410         (ipa_callsite_param_set_info_type): Removed.
14411         (ipa_callsite_param_map_create): Removed.
14412         (ipa_callsite_tree): Removed.
14413         (ipa_callsite_caller): Removed.
14414         (ipa_pop_func_from_list): return_method removed to return_func
14416         * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
14417         prefixed all values with IPA_. Changed all users.
14418         (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
14419         CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
14420         and FORMAL_IPATYPE IPA_PASS_THROUGH.
14421         (union parameter_info): Renamed to jump_func_value.
14422         (union jump_func_value): Renamed value to constant
14423         (struct ipa_jump_func): Renamed info_type to value
14424         (struct ipa_node): Renamed to ipa_node_params
14425         (struct ipa_node_params): Renamed ipa_arg_num to param_count
14426         (struct ipa_node_params): Renamed ipa_param_tree to param_decls
14427         (struct ipa_node_params): Renamed ipa_mod to modified_flags
14428         (struct ipa_edge): Renamed to ipa_edge_args
14429         (struct ipa_edge_args): Renamed ipa_param_num to argument_count
14430         (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
14431         (struct ipa_methodlist): Renamed to ipa_func_list
14432         (struct ipa_func_list): method_p renamed to node, next_method
14433         renamed to next
14434         (ipa_methodlist_p): Removed, switched all users to struct pointer
14435         (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
14437 2008-04-30  Alan Modra  <amodra@bigpond.net.au>
14439         * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
14440         (rs6000_emit_epilogue): Use backchain to restore only when we
14441         have a large frame.  Make use of frame pointer to restore if we
14442         have one.  Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
14444 2008-04-29  Paolo Bonzini  <bonzini@gnu.org>
14446         * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
14447         Add mode to zero_extract.
14448         (sign bit tests peepholes): (Ditto.).
14450 2008-04-29  H.J. Lu  <hongjiu.lu@intel.com>
14452         * config/i386/i386.c (ix86_builtins): Replace Prescott New
14453         Instructions in comments with SSE3.
14454         (ix86_builtin_type): This.  Add FLOAT128_FTYPE_FLOAT128,
14455         INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
14456         INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
14457         V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
14458         V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
14459         V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
14460         V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
14461         V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
14462         V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
14463         V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
14464         V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
14465         V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
14466         (bdesc_sse_args): Renamed to ...
14467         (bdesc_args): This.  Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
14468         IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
14469         IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
14470         IX86_BUILTIN_FABSQ.
14471         (bdesc_1arg): Moved to ...
14472         (bdesc_args): Here.
14473         (ix86_init_mmx_sse_builtins): Updated.  Replace Prescott New
14474         Instructions in comments with SSE3.
14475         (ix86_expand_sse_operands_builtin): Renamed to ...
14476         (ix86_expand_args_builtin): This.  Updated.
14477         (ix86_expand_unop1_builtin): Update comments.
14478         (ix86_expand_builtin): Updated.
14480 2008-04-29  Richard Guenther  <rguenther@suse.de>
14482         PR tree-optimization/36078
14483         * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
14484         Update virtual SSA form after cleaning up the CFG.
14486 2008-04-29  Richard Guenther  <rguenther@suse.de>
14488         PR middle-end/15255
14489         * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
14491 2008-04-29  Richard Guenther  <rguenther@suse.de>
14493         * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
14494         (compute_may_aliases): Do not call finalize_ref_all_pointers.
14495         (compute_flow_insensitive_aliasing): Do not treat
14496         PTR_IS_REF_ALL pointers special.
14497         (get_smt_for): Likewise.
14498         (may_alias_p): Re-structure.
14499         (is_escape_site): A ref-all pointer conversion is not an escape site.
14500         * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
14501         PTR_IS_REF_ALL pointers special.
14502         * tree-ssa-structalias.h (struct alias_info): Remove
14503         ref_all_symbol_mem_tag field.
14504         (PTR_IS_REF_ALL): Remove.
14506 2008-04-29  Richard Guenther  <rguenther@suse.de>
14508         PR middle-end/36077
14509         * fold-const.c (extract_muldiv_1): In combining division constants
14510         make sure to never overflow.
14512 2008-04-29  Nick Clifton  <nickc@redhat.com>
14514         * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
14516 2008-04-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
14518         PR bootstrap/35169
14519         * optc-gen.awk: Work around HP-UX/IA awk bug.
14521 2008-04-28  Danny Smith  <dannysmith@users.sourceforge.net>
14523         * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
14524         2008-04-25 commit.
14526 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
14528         PR target/36073
14529         * config/i386/i386.md
14530         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
14531         Change operand 1 predicate to nonimmediate_operand.
14533 2008-04-28  Jakub Jelinek  <jakub@redhat.com>
14535         PR debug/36060
14536         * dwarf2out.c (struct die_struct): Mark as chain_circular through
14537         die_sub field.
14538         * gengtype.c (walk_type, write_func_for_structure): Handle
14539         chain_circular.
14540         * doc/gty.texi: Document chain_circular.
14542 2008-04-28  Richard Guenther  <rguenther@suse.de>
14544         PR tree-optimization/36066
14545         * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
14546         SCEV and loop.
14548 2008-04-28  Uros Bizjak  <ubizjak@gmail.com>
14550         PR target/36064
14551         * config/i386/i386.md
14552         (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
14553         Use match_scratch instead of match_operand for operands 3 and 4.
14555 2008-04-27  Richard Guenther  <rguenther@suse.de>
14557         PR tree-optimization/18754
14558         PR tree-optimization/34223
14559         * tree-pass.h (pass_complete_unrolli): Declare.
14560         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
14561         loop size before and after unconditionally of UL_NO_GROWTH in effect.
14562         Rewrite loop into loop closed SSA form if it is not already.
14563         (tree_unroll_loops_completely): Re-structure to iterate over
14564         innermost loops with intermediate CFG cleanups.
14565         Unroll outermost loops only if requested or the code does not grow
14566         doing so.
14567         * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
14568         loops are available.
14569         (tree_vectorize): Instead do so here.
14570         (tree_complete_unroll): Also unroll outermost loops.
14571         (tree_complete_unroll_inner): New function.
14572         (gate_tree_complete_unroll_inner): Likewise.
14573         (pass_complete_unrolli): New pass.
14574         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
14575         uses outside of the loop.
14576         (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
14577         form if it is available.
14578         * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
14579         * passes.c (init_optimization_passes): Schedule complete inner
14580         loop unrolling pass before the first CCP pass after final inlining.
14582 2008-04-27  Nathan Sidwell  <nathan@codesourcery.com>
14584         * targhooks.h (default_emutls_var_fields,
14585         default_emutls_var_init): Declare.
14586         * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
14587         * target.h (struct gcc_target): Add struct emutls member.
14588         * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
14589         TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
14590         TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
14591         TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
14592         TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
14593         TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
14594         (TARGET_INITIALIZER): Add TARGET_EMUTLS.
14595         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
14596         BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
14597         * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
14598         emit debug information.
14599         * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
14600         * varasm.c: Include targhooks.h.
14601         (emutls_object_section, emutls_tmpl_section): New.
14602         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
14603         (EMUTLS_SEPARATOR): New.
14604         (prefix_name): New.
14605         (get_emutls_object_name): New.
14606         (default_emutls_var_fields): New, broken out of ...
14607         (get_emutls_object_type): ... here.  Adjust to use target hooks.
14608         (get_emutls_init_templ_addr): Adjust to use target hooks.
14609         (emutls_decl): Adjust to use target hooks.
14610         (emutls_finish): Likewise.
14611         (default_emutls_var_init): New, broken out of ...
14612         (assemble_variable): ... here.  Adjust to use target hooks.
14613         * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
14614         SECCAT_EMUTLS_TMPL.
14615         * c-common.c (handle_section_attribute): Prevent overriding
14616         sections for emulated tls with special sections.
14617         * config/i386/i386.c (x86_64_elf_select_section): Add
14618         SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
14619         (x86_64_elf_unique_section): Likewise.
14620         * config/vxworks.c: Include tree.h.
14621         (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
14622         (vxworks_override_options): Set TLS scheme.
14623         * doc/tm.texi (Emulated TLS): New node.
14625 2008-04-26  Simon Baldwin <simonb@google.com>
14627         PR c/35652
14628         * builtins.c (c_strlen): Suppressed multiple warnings that can occur
14629         with propagated string constants.
14631 2008-04-26  Uros Bizjak  <ubizjak@gmail.com>
14633         * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
14634         constraint for operand 2 when operand 0 is memory operand.
14635         (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
14636         operand 0 is memory operand.
14637         (fix_trunc<mode>_i387_with_temp): Ditto.
14638         (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
14639         operand 2 when operand 1 is memory operand.
14640         (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
14641         (*floatsi<mode>2_vector_sse_with_temp): Ditto.
14642         (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
14643         (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
14644         (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
14645         operands 2,3 and 4 when operand 1 is memory operand.
14646         (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
14647         is memory operand.
14648         (fistdi2_floor_with_temp): Ditto.
14649         (fist<mode>2_floor_with_temp): Ditto.
14650         (fistdi2_ceil_with_temp): Ditto.
14651         (fist<mode>2_ceil_with_temp): Ditto.
14652         (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
14654 2008-04-26  David Daney  <ddaney@avtrex.com>
14656         * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
14657         unspec_volitile.
14658         (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
14659         UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
14660         UNSPEC_UPDATE_GOT_VERSION): Renumber.
14661         (sync_compare_and_swap<mode>): New expand for QI and HI modes.
14662         (compare_and_swap_12): New insn.
14663         * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
14664         * config/mips/mips.c (mips_force_binary): New function.
14665         (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
14666         (mips_expand_compare_and_swap_12): New function.
14667         * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
14669 2008-04-25  Jan Hubicka  <jh@suse.cz>
14671         PR testsuite/35843
14672         * cfgexpand.c (pass_expand): Turn into RTL pass.
14673         * passes.c (execute_one_pass): Do pass typechecking after execution.
14674         * tree-pass.h (pass_expand): Turn into RTL pass.
14676         * function.h (struct rtl_data): Move here fields
14677         accesses_prior_frames, calls_eh_return, saves_all_registers,
14678         has_nonlocal_goto, has_asm_statement, is_thunk,
14679         all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
14680         uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
14681         arg_pointer_save_area_init from struct function; turn into bool.
14682         (struct function): Move
14683         calls_eh_return, saves_all_registers, has_nonlocal_goto,
14684         has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
14685         profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
14686         tail_call_emit, arg_pointer_save_area_init
14687         into struct rtl_data.  Remove recursive_call_emit and gimplified flags.
14688         (current_function_returns_struct, current_function_returns_pcc_struct,
14689         current_function_calls_setjmp, current_function_calls_alloca,
14690         current_function_accesses_prior_frames,
14691         current_function_calls_eh_return, current_function_is_thunk,
14692         current_function_stdarg, current_function_profile,
14693         current_function_limit_stack, current_function_uses_pic_offset_table,
14694         current_function_uses_const_pool, current_function_has_nonlocal_label,
14695         current_function_saves_all_registers,
14696         current_function_has_nonlocal_goto,
14697         current_function_has_asm_statement): Remove accesor macros.
14698         * ra-conflict.c (global_conflicts): Update.
14699         * tree-tailcall.c (suitable_for_tail_opt_p): Update.
14700         (suitable_for_tail_call_opt_p): Update.
14701         * builtins.c (expand_builtin_return_addr): Update.
14702         (expand_builtin_setjmp_setup): Update.
14703         (expand_builtin_nonlocal_goto): Update.
14704         * final.c (final_start_function): Update.
14705         (profile_function): Update.
14706         (leaf_function_p): Update.
14707         (only_leaf_regs_used): Update.
14708         * df-scan.c (df_get_exit_block_use_set): Update.
14709         * dojump.c (clear_pending_stack_adjust): Update.
14710         * tree-stdarg.c (gate_optimize_stdarg): Update.
14711         * gimple-low.c (lower_function_body): Update.
14712         * global.c (compute_regsets): Update.
14713         (global_alloc): Update.
14714         * dwarf2out.c (dwarf2out_begin_prologue): Update.
14715         * expr.c (expand_assignment): Update.
14716         * dse.c (dse_step0): Update.
14717         (dse_step1): Update.
14718         * c-decl.c (store_parm_decls): Update.
14719         * local-alloc.c (combine_regs): Update.
14720         (find_free_reg): Update.
14721         * function.c (assign_parms_augmented_arg_list): Update.
14722         (assign_parm_find_data_types): Update.
14723         (assign_parms): Update.
14724         (allocate_struct_function): Update.
14725         (expand_function_start): Update.
14726         (expand_function_end): Update.
14727         (get_arg_pointer_save_area): Update.
14728         (thread_prologue_and_epilogue_insns): Update.
14729         (rest_of_match_asm_constraints): Update.
14730         * stor-layout.c (variable_size): Update.
14731         * gcse.c (gcse_main): Update.
14732         (bypass_jumps): Update.
14733         * gimplify.c (gimplify_function_tree): Update.
14734         * calls.c (emit_call_1): Update.
14735         (expand_call): Update.
14736         * bt-load.c (compute_defs_uses_and_gen): Update.
14737         * except.c (sjlj_assign_call_site_values): Update.
14738         (sjlj_emit_function_enter): Update.
14739         (can_throw_external): Update.
14740         (set_nothrow_function_flags): Update.
14741         (expand_builtin_unwind_init): Update.
14742         (expand_eh_return): Update.
14743         (convert_to_eh_region_ranges): Update.
14744         (output_function_exception_table): Update.
14745         * emit-rtl.c (gen_tmp_stack_mem): Update.
14746         * cfgexpand.c (expand_used_vars): Update.
14747         (tree_expand_cfg): Update.
14748         * cfgcleanup.c (rest_of_handle_jump): Update.
14749         * explow.c (allocate_dynamic_stack_space): Update.
14750         * varasm.c (assemble_start_function): Update.
14751         (force_const_mem): Update.
14752         (mark_constant_pool): Update.
14753         * tree-optimize.c (tree_rest_of_compilation): Update.
14754         * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
14755         * tree-cfg.c (notice_special_calls): Update.
14756         (is_ctrl_altering_stmt): Update.
14757         (tree_can_make_abnormal_goto): Update.
14758         (tree_purge_dead_abnormal_call_edges): Update.
14759         * config/alpha/predicates.md: Update.
14760         * config/alpha/alpha.c (alpha_sa_mask): Update.
14761         (alpha_sa_size): Update.
14762         (alpha_does_function_need_gp): Update.
14763         (alpha_expand_prologue): Update.
14764         (alpha_start_function): Update.
14765         (alpha_output_function_end_prologue): Update.
14766         (alpha_expand_epilogue): Update.
14767         * config/frv/frv.c (frv_stack_info): Update.
14768         (frv_expand_epilogue): Update.
14769         * config/s390/s390.c (s390_regs_ever_clobbered): Update.
14770         (s390_register_info): Update.
14771         (s390_frame_info): Update.
14772         (s390_init_frame_layout): Update.
14773         (s390_can_eliminate): Update.
14774         (save_gprs): Update.
14775         * config/spu/spu.c (spu_split_immediate): Update.
14776         (need_to_save_reg): Update.
14777         (spu_expand_prologue): Update.
14778         (spu_expand_epilogue): Update.
14779         * config/sparc/sparc.md: Update.
14780         * config/sparc/sparc.c (eligible_for_return_delay): Update.
14781         (sparc_tls_got): Update.
14782         (legitimize_pic_address): Update.
14783         (sparc_emit_call_insn): Update.
14784         (sparc_expand_prologue): Update.
14785         (output_return): Update.
14786         (print_operand): Update.
14787         (sparc_function_ok_for_sibcall): Update.
14788         * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
14789         * config/m32r/m32r.md: Update.
14790         * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
14791         (m32r_compute_frame_size): Update.
14792         (m32r_expand_prologue): Update.
14793         (m32r_expand_epilogue): Update.
14794         (m32r_legitimize_pic_address): Update.
14795         * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
14796         * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
14797         * config/i386/i386.c (ix86_frame_pointer_required): Update.
14798         (gen_push): Update.
14799         (ix86_save_reg): Update.
14800         (ix86_compute_frame_layout): Update.
14801         (ix86_expand_prologue): Update.
14802         (ix86_expand_epilogue): Update.
14803         * config/sh/sh.c (output_stack_adjust): Update.
14804         (calc_live_regs): Update.
14805         (sh5_schedule_saves): Update.
14806         (sh_expand_prologue): Update.
14807         (sh_expand_epilogue): Update.
14808         (sh_setup_incoming_varargs): Update.
14809         (sh_allocate_initial_value): Update.
14810         (sh_get_pr_initial_val): Update.
14811         * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
14812         * config/sh/sh.md (label:): Update.
14813         * config/avr/avr.c (out_movhi_mr_r): Update.
14814         * config/crx/crx.h (enum): Update.
14815         * config/xtensa/xtensa.h (along): Update.
14816         * config/stormy16/stormy16.c Update.
14817         (xstormy16_compute_stack_layout): Update.
14818         * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
14819         (fr30_expand_prologue): Update.
14820         * config/cris/cris.c (cris_conditional_register_usage): Update.
14821         (cris_reg_saved_in_regsave_area): Update.
14822         (cris_initial_frame_pointer_offset): Update.
14823         (cris_simple_epilogue): Update.
14824         (cris_expand_prologue): Update.
14825         (cris_expand_epilogue): Update.
14826         (cris_expand_pic_call_address): Update.
14827         (cris_asm_output_symbol_ref): Update.
14828         (cris_asm_output_label_ref): Update.
14829         * config/cris/cris.md Update.
14830         * config/iq2000/iq2000.c (compute_frame_size): Update.
14831         (iq2000_expand_epilogue): Update.
14832         * config/mt/mt.h (save_direction): Update.
14833         * config/mn10300/mn10300.c (mn10300_function_value): Update.
14834         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
14835         (ia64_secondary_reload_class): Update.
14836         * config/m68k/m68k.c (m68k_save_reg): Update.
14837         (m68k_expand_prologue): Update.
14838         (m68k_expand_epilogue): Update.
14839         (legitimize_pic_address): Update.
14840         * config/rs6000/rs6000.c (rs6000_got_register): Update.
14841         (first_reg_to_save): Update.
14842         (first_altivec_reg_to_save): Update.
14843         (compute_vrsave_mask): Update.
14844         (compute_save_world_info): Update.
14845         (rs6000_stack_info): Update.
14846         (spe_func_has_64bit_regs_p): Update.
14847         (rs6000_ra_ever_killed): Update.
14848         (rs6000_emit_eh_reg_restore): Update.
14849         (rs6000_emit_allocate_stack): Update.
14850         (rs6000_emit_prologue): Update.
14851         (rs6000_emit_epilogue): Update.
14852         (rs6000_output_function_epilogue): Update.
14853         (output_profile_hook): Update.
14854         (rs6000_elf_declare_function_name): Update.
14855         * config/rs6000/rs6000.h (rs6000_args): Update.
14856         * config/rs6000/rs6000.md: Update.
14857         * config/mcore/mcore.c (mcore_expand_prolog): Update.
14858         * config/arc/arc.c (arc_output_function_epilogue): Update.
14859         * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
14860         * config/darwin.c (machopic_function_base_name): Update.
14861         * config/score/score3.c (score3_compute_frame_size): Update.
14862         (rpush): Update.
14863         (rpop): Update.
14864         (score3_epilogue): Update.
14865         * config/score/score7.c (score7_compute_frame_size): Update.
14866         (score7_prologue): Update.
14867         (score7_epilogue): Update.
14868         * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
14869         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
14870         * config/arm/arm.c (use_return_insn): Update.
14871         (require_pic_register): Update.
14872         (arm_load_pic_register): Update.
14873         (arm_compute_save_reg0_reg12_mask): Update.
14874         (arm_compute_save_reg_mask): Update.
14875         (thumb1_compute_save_reg_mask): Update.
14876         (output_return_instruction): Update.
14877         (arm_output_function_prologue): Update.
14878         (arm_output_epilogue): Update.
14879         (arm_get_frame_offsets): Update.
14880         (arm_expand_prologue): Update.
14881         (thumb_pushpop): Update.
14882         (thumb_exit): Update.
14883         (thumb1_expand_prologue): Update.
14884         (thumb1_expand_epilogue): Update.
14885         (arm_unwind_emit): Update.
14886         (arm_output_fn_unwind): Update.
14887         * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
14888         * config/arm/arm.md: Update.
14889         * config/pa/pa.md: Update.
14890         * config/pa/pa.c (legitimize_pic_address): Update.
14891         (compute_frame_size): Update.
14892         (hppa_expand_prologue): Update.
14893         (hppa_expand_epilogue): Update.
14894         (borx_reg_operand): Update.
14895         * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
14896         (HARD_REGNO_RENAME_OK): Update.
14897         * config/mips/mips.c (mips_global_pointer): Update.
14898         (mips_save_reg_p): Update.
14899         (mips_compute_frame_info): Update.
14900         (mips_frame_pointer_required): Update.
14901         (mips_expand_prologue): Update.
14902         (mips_expand_epilogue): Update.
14903         (mips_can_use_return_insn): Update.
14904         (mips_reorg_process_insns): Update.
14905         * config/v850/v850.c (compute_register_save_size): Update.
14906         * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
14907         * config/mmix/mmix.c (along): Update.
14908         (mmix_expand_epilogue): Update.
14909         * config/bfin/bfin.c (legitimize_pic_address): Update.
14910         (must_save_p): Update.
14911         (stack_frame_needed_p): Update.
14912         (add_to_reg): Update.
14913         (bfin_expand_prologue): Update.
14914         * stmt.c (expand_asm_operands): Update.
14915         * reload1.c (reload): Update.
14916         (init_elim_table): Update.
14918 2008-04-25  Bob Wilson  <bob.wilson@acm.org>
14920         * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
14922 2008-04-25  H.J. Lu  <hongjiu.lu@intel.com>
14924         * config/i386/sse.md (mov<mode>): Replace SSEMODEI with SSEMODE.
14925         (*mov<mode>_internal): Likewise.  Support V4SF and V2DF.
14926         (mov<mode>): Removed.
14927         (*movv4sf_internal): Likewise.
14928         (*movv2df_internal): Likewise.
14930 2008-04-25  Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
14932         * config.gcc (crx-*-elf): Remove deprecation.
14934 2008-04-25  Danny Smith  <dannysmith@users.sourceforge.net>
14936         * config/i386/cygming-crtend.c (register_frame_ctor): Register
14937         __gcc_deregister_frame with atexit.
14938         (deregister_frame_dtor): Remove.
14940 2008-04-24  Nathan Froyd  <froydnj@codesourcery.com>
14941             Nathan Sidwell  <nathan@codesourcery.com>
14943         * config/rs6000/rs6000.opt (mspe): Remove Var property.
14944         (misel): Likewise.
14945         * config/rs6000/rs6000.h (rs6000_spe): Declare.
14946         (rs6000_isel): Likewise.
14947         * config/rs6000/rs6000.c (rs6000_spe): New variable.
14948         (rs6000_isel): New variable.
14949         (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
14951 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
14953         PR c++/35758
14954         * c-common.c (handle_vector_size_attribute): Call
14955         lang_hooks.types.reconstruct_complex_type instead of
14956         reconstruct_complex_type.
14957         * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
14958         * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
14959         * langhooks.h (struct lang_hooks_for_types): Add
14960         reconstruct_complex_type hook.
14961         * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
14962         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
14964 2008-04-24  Richard Guenther  <rguenther@suse.de>
14966         * c-common.h (check_builtin_function_arguments): Declare.
14967         * c-common.c (validate_nargs): New function.
14968         (check_builtin_function_arguments): Likewise.
14969         * c-typeck.c (build_function_call): Call
14970         check_builtin_function_arguments.
14971         * builtins.c (fold_builtin_classify): Remove error reporting code.
14972         (fold_builtin_unordered_cmp): Likewise.
14973         (fold_builtin_1): Likewise.
14974         (fold_builtin_n): Likewise.
14976 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
14978         PR tree-optimization/36008
14979         * fold-const.c (try_move_mult_to_index): If s == NULL, divide
14980         the original op1, rather than delta by step.
14982 2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
14983             Sebastian Pop  <sebastian.pop@amd.com>
14985         * tree-parloops.c (take_address_of, eliminate_local_variables_1,
14986         eliminate_local_variables_stmt, eliminate_local_variables,
14987         separate_decls_in_loop_name, separate_decls_in_loop_stmt,
14988         separate_decls_in_loop, gen_parallel_loop): Make them work on a region
14989         of code delimited by two edges in the CFG.
14990         (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
14991         (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
14992         (separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
14993         the case of parallelisation of reductions.
14994         (expr_invariant_in_region_p): New.
14996         * tree-flow.h (gather_blocks_in_sese_region): Declared.
14997         * tree-cfg.c (gather_blocks_in_sese_region): Extern.
14999 2008-04-24  Ira Rosen  <irar@il.ibm.com>
15000             Richard Guenther  <rguenther@suse.de>
15002         PR tree-optimization/36034
15003         * tree-vect-analyze.c (vect_analyze_group_access): SLP is
15004         incapable of dealing with loads with gaps.
15006 2008-04-24  Rafael Espindola  <espindola@google.com>
15008         * tree-flow.h (vrp_evaluate_conditional): Change signature.
15009         * tree-ssa-propagate.c (fold_predicate_in): Update call to
15010         vrp_evaluate_conditional.
15011         * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
15012         (vrp_evaluate_conditional): Split the cond argument.
15013         (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
15014         (simplify_stmt_for_jump_threading): Update call to
15015         vrp_evaluate_conditional.
15017 2008-04-24  Ira Rosen  <irar@il.ibm.com>
15019         PR tree-optimization/35982
15020         * tree-vect-analyze.c (vect_check_interleaving): Check that the
15021         interleaved data-refs are of the same type.
15023 2008-04-24  Danny Smith  <dannysmith@users.net>
15025         * c-format.c (check_format_info_main): Use strncmp rather than a
15026         magic prefix to handle multichar length specs.
15027         * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
15028         Don't prefix "I64" and "I32" with '\0'.
15030 2008-04-24  Jakub Jelinek  <jakub@redhat.com>
15032         PR target/36015
15033         * config/i386/i386.c (init_cumulative_args): Don't pass anything
15034         in registers for -m32 only if stdarg_p (fntype).
15036 2008-04-24  Uros Bizjak  <ubizjak@gmail.com>
15038         PR rtl-optimization/36006
15039         * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
15040         temp to op0 in order to avoid invalid rtx sharing.
15042 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
15044         * tree-cfg.c (verify_expr): Check with is_gimple_address.  Don't
15045         check TREE_INVARIANT.
15046         * tree-gimple.c (is_gimple_address): New.
15047         (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
15048         * tree-gimple.h (is_gimple_address): New.
15049         * tree.h (decl_address_invariant_p): New.
15050         * tree.c (make_node_stat): Don't set TREE_INVARIANT.
15051         (build_string): Likewise.
15052         (decl_address_invariant_p): New, from is_gimple_invariant_address.
15053         (tree_invariant_p_1): Likewise.
15054         (save_expr): Use it.
15055         (tree_invariant_p): New.
15056         (skip_simple_arithmetic): Use it.
15057         (stabilize_reference_1): Use it.
15058         (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
15059         simplify.
15060         (build1_stat): Drop code to compute TREE_INVARIANT.
15061         (build2_stat): Drop code to compute TREE_INVARIANT.
15062         (build3_stat): Drop code to compute TREE_INVARIANT.
15063         (build4_stat): Drop code to compute TREE_INVARIANT.
15064         (build5_stat): Drop code to compute TREE_INVARIANT.
15065         (build7_stat): Drop code to compute TREE_INVARIANT.
15066         (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
15067         * tree.h (struct tree_base): Remove invariant_flag.
15068         (TREE_INVARIANT): Remove.
15069         * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
15070         (fold_builtin_expect): Check TREE_CONSTANT.
15071         * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
15072         * c-tree.h (c_expr_to_decl): Drop third parameter.
15073         * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
15074         (build_c_cast): Don't set TREE_INVARIANT.
15075         (pop_init_level): Don't set TREE_INVARIANT.
15076         (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
15077         * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
15078         TREE_CONSTANT.
15079         (gimplify_init_constructor): Don't set TREE_INVARIANT.
15080         (gimplify_addr_expr): Adjust comment.
15081         * tree-mudflap.c (mf_build_string):
15082         * print-tree.c (print_node): Don't print TREE_INVARIANT.
15083         * tree-nested.c (convert_nonlocal_reference): Adjust comment.
15084         * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
15085         * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
15086         * langhooks.c (lhd_expr_to_decl): Drop third parameter.
15087         * langhooks.h (struct lang_hooks): Drop third parameter from
15088         expr_to_decl.
15090 2008-04-23  Richard Guenther  <rguenther@suse.de>
15092         PR tree-optimization/27799
15093         PR tree-optimization/32921
15094         PR tree-optimization/32624
15095         * tree-ssa-structalias.c (merge_smts_into): Only merge the
15096         SMTs aliases and the tag itself into the solution.
15097         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
15098         merge the points-to solution back into the SMT aliases.
15099         (may_alias_p): Use alias_set_subset_of instead of
15100         aliases_conflict_p.  A pointer which points to
15101         memory with alias set zero may access any variable.
15103 2008-04-23  Richard Guenther  <rguenther@suse.de>
15105         * alias.c (alias_set_subset_of): Correctly handle asking
15106         if zero is a subset of an alias set with zero child.
15107         * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
15108         (compute_flow_insensitive_aliasing): Correctly walk all
15109         pointers.  Do not unnecessarily union sets.
15111 2008-04-23  Richard Guenther  <rguenther@suse.de>
15113         PR middle-end/36021
15114         * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
15116 2008-04-22  Tomas Bily  <tbily@suse.cz>
15118         * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
15119         unreachable case.
15120         * tree-vrp.c (extract_range_from_unary_expr): Removed unused
15121         NON_LVALUE_EXPR.
15122         * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
15123         * tree-ssa-structalias.c (get_constraint_for): Likewise.
15124         * tree-inline.c (estimate_num_insns_1): Likewise.
15125         * varasm.c (const_hash_1, compare_constant, copy_constant)
15126         (compute_reloc_for_constant, output_addressed_constants): Likewise.
15127         * emit-rtl.c (component_ref_for_mem_expr)
15128         (set_mem_attributes_minus_bitpos): Likewise.
15129         * expr.c (highest_pow2_factor, expand_expr_real_1, )
15130         (is_aligning_offset): Likewise.
15131         * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
15132         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
15133         * dojump.c (do_jump): Likewise.
15134         * builtins.c (get_pointer_alignment, get_memory_rtx)
15135         (integer_valued_real_p, fold_builtin_next_arg): Likewise.
15136         * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
15138 2008-04-23  Jakub Jelinek  <jakub@redhat.com>
15140         PR rtl-optimization/36017
15141         * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
15142         expanding the library call.
15144 2008-04-22  Ian Lance Taylor  <iant@google.com>
15146         * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
15147         than size_in_bytes.
15149 2008-04-22  Pat Haugen  <pthaugen@us.ibm.com>
15151         * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
15152         of LR/CTR moves for Power6.
15154 2008-04-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
15156         PR middle-end/36003
15157         * passes.c (init_optimization_passes): Remove
15158         pass_fast_rtl_byte_dce.
15160 2008-04-22  Uros Bizjak  <ubizjak@gmail.com>
15162         PR target/29096
15163         * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
15164         builtin functions to generate faster code.
15165         (_mm_cvtpu16_ps): Ditto.
15166         (_mm_cvtpi32x2_ps): Ditto.
15168 2008-04-22  Nick Clifton  <nickc@redhat.com>
15170         * common.opt (ftree-loop-distribution): Add Optimization
15171         attribute.
15173         * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
15174         (frv_expand_builtin_va_start): Likewise.
15176         * config/arm/arm.c (thumb_find_work_register): Fix location of
15177         argument register count.
15179 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
15181         Support scheduling for ColdFire V1 and V3 microarchitecture.
15182         Improve scheduling of multiplication instructions.
15184         * config/m68k/m68k.md (cpu): Add cfv1 and cfv3.  Rename cf_v2 to cfv1.
15185         (mac): New instruction attribute.
15186         * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
15187         (m68k_sched_mac): New variable.
15188         (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
15189         Handle cfv1 and cfv3.
15190         (max_insn_size): New static variable.
15191         (struct _sched_ib): New type.
15192         (sched_ib): New static variable.
15193         (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
15194         to fields of 'struct _sched_ib sched_ib'.  Update all uses.
15195         (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
15196         Update.
15197         (m68k_sched_md_init_global, m68k_sched_md_finish_global,
15198         m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3.  Init
15199         new variables.  Update.
15200         (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
15201         Add modeling of cfv3 instruction buffer.  Update.
15202         * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
15203         * config/m68k/m68k.h (TUNE_CFV3): New macro.
15204         * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
15205         (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
15206         a particular reservation applies to.
15207         (type2): Reorganize attribute values.  Rename alu to alu_reg,
15208         alu_l to alu, move_l to omove.  Join move to alu.  Split mul
15209         to mul_l and mul_w.
15210         (cf_ib_*): Simplify description of instruction buffer.
15211         (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
15212         (cf_mem): Split into cf_mem1 and cf_mem2.
15213         (cf_v2_move_??): Rename to cfv12_alu_??.
15214         (cf_v2_move_l_??): Rename to cfv12_omove_??.
15215         (cf_v2_mul_??): Remove reservations.
15216         (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
15217         cfv12_emac_??, cfv12_emac_w_i0): New reservations.
15218         (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
15219         appropriate place.
15220         (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
15221         cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
15222         cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
15223         cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
15224         cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
15225         cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
15226         (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
15227         expansions of the above reservations for instructions of sizes
15228         1, 2 and 3 words.
15230 2008-04-22  Maxim Kuvyrkov  <maxim@codesourcery.com>
15232         * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
15234 2008-04-21  Adam Nemet  <anemet@caviumnetworks.com>
15236         * coverage.c: Include tree-pass.h.
15237         (coverage_counter_alloc): Print da_file_name to the dump file.
15239 2008-04-21  Kenneth Zadeck  <zadeck@naturalbridge.com>
15241         * sbitmap.c (sbitmap_range_empty_p): New function.
15242         * sbitmap.h (sbitmap_range_empty_p): New function.
15243         * bitmap.h: Now includes obstack.h.
15245 2008-04-21  Richard Sandiford  <rsandifo@nildram.co.uk>
15246             Kenneth Zadeck  <zadeck@naturalbridge.com>
15248         * dbgcnt.def (ra_byte_scan): Added.
15249         * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
15250         when the last hit happens for a counter.
15251         * timevar.def (TV_DF_BYTE_LR): New variable.
15252         * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
15253         * passes.c (pass_fast_rtl_byte_dce): New pass.
15254         * fwprop.c (update_df): Added mode to call df_ref_create.
15255         Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
15256         DF_REF_EXTRACT_OFFSET.
15257         * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
15258         DF_BYTE_LR_OUT, df_byte_lr): New macro.
15259         (df_mm): New enum.
15260         (df_ref_extract): Added mode field.
15261         (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
15262         DF_REF_EXTRACT_OFFSET.
15263         (DF_REF_EXTRACT_MODE): New macro.
15264         (df_byte_lr_bb_info): New structure.
15265         (df_print_byte_regset, df_compute_accessed_bytes,
15266         df_byte_lr_add_problem, df_byte_lr_get_regno_start,
15267         df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
15268         df_byte_lr_simulate_uses,
15269         df_byte_lr_simulate_artificial_refs_at_top,
15270         df_byte_lr_simulate_artificial_refs_at_end,
15271         df_compute_accessed_bytes): New function.
15272         (df_ref_create): Add parameter.
15273         (df_byte_lr_get_bb_info): New inline function.
15274         * df-scan.c (df_ref_record, df_uses_record,
15275         df_ref_create_structure): Added mode parameter.
15276         (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
15277         df_defs_record, df_uses_record, df_get_conditional_uses,
15278         df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
15279         df_entry_block_defs_collect, df_exit_block_uses_collect):
15280         Added mode parameter to calls to df_ref_record, df_uses_record,
15281         df_ref_create_structure.
15282         (df_ref_equal_p, df_ref_compare): Added test for modes.
15283         (df_ref_create_structure): Added code to set mode.  Renamed
15284         DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
15285         DF_REF_EXTRACT_OFFSET.
15286         * df-core.c (df_print_byte_regset): New function.
15287         * df-byte-scan.c: New file.
15288         * df-problems.c (df_rd_transfer_function): Removed unnecessary
15289         calls to BITMAP_FREE.
15290         (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
15291         (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
15292         df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
15293         df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
15294         df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
15295         df_byte_lr_local_compute, df_byte_lr_init,
15296         df_byte_lr_confluence_0, df_byte_lr_confluence_n,
15297         df_byte_lr_transfer_function, df_byte_lr_free,
15298         df_byte_lr_top_dump, df_byte_lr_bottom_dump,
15299         df_byte_lr_add_problem, df_byte_lr_simulate_defs,
15300         df_byte_lr_simulate_uses,
15301         df_byte_lr_simulate_artificial_refs_at_top,
15302         df_byte_lr_simulate_artificial_refs_at_end): New function.
15303         * dce.c (byte_dce_process_block): New function.
15304         (dce_process_block): au is now passed in rather than computed
15305         locally.  Changed loops that look at artificial defs to not look
15306         for conditional or partial ones, because there never are any.
15307         (fast_dce): Now is able to drive byte_dce_process_block or
15308         dce_process_block depending on the kind of dce being done.
15309         (rest_of_handle_fast_dce): Add parameter to fast_dce.
15310         (rest_of_handle_fast_byte_dce): New function.
15311         (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
15312         * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
15314 2008-04-21  Daniel Franke  <franke.daniel@gmail.com>
15316         PR fortran/35019
15317         * gcc.h: Added fortran options that take arguments to
15318         DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
15319         macros.
15321 2008-04-20  Eric Botcazou  <ebotcazou@adacore.com>
15323         * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
15324         scalarization if on the LHS and not a full access.
15326 2008-04-20  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
15328         * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
15330 2008-04-18  Rafael Espindola  <espindola@google.com>
15332         * tree-vrp.c (find_case_label_index): Fix the binary search.
15333         (find_case_label_range): New.
15334         (vrp_visit_switch_stmt): Use find_case_label_range.
15335         (simplify_switch_using_ranges): Use find_case_label_range.
15337 2008-04-18  Eric Botcazou  <ebotcazou@adacore.com>
15339         * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
15340         using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
15342 2008-04-18  Tom Tromey  <tromey@redhat.com>
15344         PR libcpp/15500:
15345         * doc/cpp.texi (Implementation-defined behavior): Mention
15346         -finput-charset.
15348 2008-04-18  Ian Lance Taylor  <iant@google.com>
15350         * fold-const.c (pointer_may_wrap_p): New static function.
15351         (fold_comparison): Add another test for pointer overflow.  Use
15352         pointer_may_wrap_p to disable some false positives.
15354 2008-04-18  Kris Van Hees <kris.van.hees@oracle.com>
15356         * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
15357         (fname_as_string): Match updated cpp_interpret_string prototype.
15358         (fix_string_type): Support char16_t* and char32_t*.
15359         (c_common_nodes_and_builtins): Add char16_t and char32_t (and
15360         derivative) nodes.  Register as builtin if C++0x.
15361         (c_parse_error): Support CPP_CHAR{16,32}.
15362         * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
15363         (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
15364         CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
15365         CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
15366         CTI_CHAR32_ARRAY_TYPE>: New elements.
15367         (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
15368         char32_type_node, signed_char32_type_node, char16_array_type_node,
15369         char32_array_type_node): New defines.
15370         * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
15371         (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
15372         (lex_string): Support CPP_STRING{16,32}, match updated
15373         cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
15374         (lex_charconst): Support CPP_CHAR{16,32}.
15375         * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
15376         and CPP_STRING{16,32}.
15378 2008-04-18  Paolo Bonzini  <bonzini@gnu.org>
15380         PR bootstrap/35457
15381         * aclocal.m4: Regenerate.
15382         * configure: Regenerate.
15384 2008-04-18  Jan Hubicka  <jh@suse.cz>
15386         * except.c (dw2_size_of_call_site_table,
15387         sjlj_size_of_call_site_table): Use vector API for call_site_record.
15389         * cgraphbuild.c (build_cgraph_edges): Update.
15390         * tree-pass.h: Update comment.
15391         * final.c (leaf_function_p): Update.
15392         (leaf_renumber_regs): Update.
15393         (rest_of_clean_state): Update.
15394         * omp-low.c (expand_omp_parallel): Update.
15395         * ipa-reference.c (analyze_function): Update.
15396         * reorg.c (find_end_label): Update.
15397         (optimize_skip): Update.
15398         (fill_simple_delay_slots): Update.
15399         (fill_simple_delay_slots): Update.
15400         (make_return_insns): Update.
15401         (dbr_schedule): Update.
15402         * gimple-low.c (record_vars_into): Update.
15403         * cfgbuild.c (make_edges): Update.
15404         * function.c (assign_stack_local): Update.
15405         (assign_parm_adjust_stack_rtl): Update.
15406         (locate_and_pad_parm): Update.
15407         (allocate_struct_function): Do not initialize stack_alignment_needed
15408         and preferred_stack_boundary here.
15409         (stack_protect_prologue): Update.
15410         (stack_protect_epilogue): Update.
15411         (expand_function_start): Initialize stack_alignment_needed,
15412         preferred_stack_boundary and max_jumptable_ents.
15413         (expand_function_end): Update.
15414         (free_after_compilation): Do not NULLify epilogue_delay_list.
15415         * function.h (struct rtl_data): Add stack_protect_guard,
15416         stack_alignment_needed,
15417         preferred_stack_boundary, epilogue_delay_list.
15418         (struct function): Remove value_histograms, stack_alignment_needed,
15419         preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
15420         last_label_uid,
15421         unexpanded_var_list, stack_protect_guard.
15422         (current_function_epilogue_delay_list): Remove.
15423         * ipa-type-escape.c (analyze_function): Update.
15424         * gimplify.c (pop_gimplify_context): Update comment.
15425         * calls.c (expand_call): Update.
15426         (emit_library_call_value_1): Update.
15427         * except.c (set_nothrow_function_flags): Update.
15428         * cfgexpand.c (get_decl_align_unit): Update.
15429         (create_stack_guard): Update.
15430         (estimated_stack_frame_size): Update.
15431         (expand_used_vars): Update.
15432         (tree_expand_cfg): Free histogram earliers, init expansion variables.
15433         * explow.c (allocate_dynamic_stack_space): Update.
15434         * tree-ssa-live.c (remove_unused_locals): Update.
15435         * varasm.c (mark_constant_pool): Update.
15436         * tree-inline.c (remap_decls): Update.
15437         (initialize_cfun): Update.
15438         (declare_return_variable): Update.
15439         (inline_forbidden_p): Update.
15440         (expand_call_inline): Update.
15441         (declare_inline_vars): Update.
15442         (tree_function_versioning): Update.
15443         * tree-flow.h (value_histograms): New.
15444         (VALUE_HISTOGRAMS): New macro.
15445         * basic-block.h (control_flow_graph): Add max_jumptable_ents,
15446         last_label_uid.
15447         * tree-cfg.c (set_bb_for_stmt): Update.
15448         (replace_by_duplicate_decl): Update.
15449         (move_block_to_fn): Update.
15450         (new_label_mapper): Update.
15451         (dump_function_to_file): Update.
15452         * ipa-struct-reorg.c (build_data_structure): Update.
15453         * cfgrtl.c (print_rtl_with_bb): Update.
15454         * reload1.c (reload): Update.
15455         (reload): Update.
15456         * config/i386/i386.c (setup_incoming_varargs_64,
15457         ix86_compute_frame_layout): Update.
15458         * config/arc/arc.c (arc_output_function_epilogue): Update.
15460 2008-04-18  Marius Strobl <marius@FreeBSD.org>
15462         * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
15463         for FreeBSD as well.
15464         * gthr-posix95.h: Likewise.
15466 2008-04-17  Richard Sandiford  <rsandifo@nildram.co.uk>
15468         PR rtl-optimization/35838
15469         * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
15470         out the byte offset of the first subreg.
15472 2008-04-17  Uros Bizjak  <ubizjak@gmail.com>
15474         * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
15475         to split_ti instead of three separate calls with single member arrays.
15476         (subti3 splitter): Ditto.
15477         (adddi3 splitter): Ditto with split_di.
15478         (subdi3 splitter): Ditto.
15479         (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
15480         two separate calls with single member arrays.  Swap match_dup
15481         operands 1 and 2 to better fit into the array.
15482         (negdi2 splitter): Ditto with split_di.
15483         (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
15484         two separate calls with single member arrays.  Swap match_dup operands
15485         6 and 7 to better fit into the array.
15487 2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>
15489         * config/i386/i386.c (sse_builtin_type): New.
15490         (bdesc_sse_args): Likewise.
15491         (bdesc_sse_3arg): Removed.
15492         (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
15493         (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
15494         IX86_BUILTIN_ROUNDPS.
15495         (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
15496         bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
15497         IX86_BUILTIN_ROUNDPS.
15498         (ix86_expand_sse_4_operands_builtin): Removed.
15499         (ix86_expand_sse_operands_builtin): New.
15500         (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
15501         and CODE_FOR_sse4_1_roundps.
15502         (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
15503         Handle bdesc_sse_args.  Remove bdesc_sse_3arg.
15505 2008-04-17  Alan Modra  <amodra@bigpond.net.au>
15507         PR target/35907
15508         * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
15509         regs before frame pop when needed.  If use_backchain_to_restore_sp
15510         then load backchain into a temp reg to restore vr and vrsave.  Add
15511         code to restore vr after frame pop if possible.
15513 2008-04-17  Richard Guenther  <rguenther@suse.de>
15515         * tree-vn.c (expressions_equal_p): Do not check type
15516         equality or compatibility before calling operand_equal_p.
15517         * fold-const.c (operand_equal_p): Check equivalence of
15518         integer constants before bailing out due to signedness or
15519         precision differences.
15520         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
15521         spurious differences in type qualification.  Ignore types
15522         for COMPONENT_REFs at all.
15524 2008-04-17  Christian Bruel  <christian.bruel@st.com>
15526         * config/sh/sh.c (expand_cbranchdi4): Use original operands for
15527         msw_skip comparison.
15529 2008-04-16  Jakub Jelinek  <jakub@redhat.com>
15531         PR c/35739
15532         * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
15533         reg type.
15535         PR tree-optimization/35899
15536         * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
15537         rather than TREE_OPERAND.
15539 2008-04-16  Uros Bizjak  <ubizjak@gmail.com>
15541         PR target/35944
15542         * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
15543         temporary registers.  Change operand predicate to general_operand.
15544         (remainderxf3): Ditto.
15546 2008-04-16  Richard Guenther  <rguenther@suse.de>
15548         * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
15549         * tree-affine.c (aff_combination_expand): Look through some
15550         conversions.
15552 2008-04-15  Doug Kwan  <dougkwan@google.com>
15554         * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
15555         for hex printing.
15556         * tree-pretty-print.c (dump_generic_node): Ditto.
15557         * final.c (output_addr_const): Ditto.
15558         * dwarf2out.c (output_cfi): Ditto.
15559         * c-pretty-print.c (pp_c_integer_constant): Ditto.
15560         * print-rtl.c (print_rtx): Ditto.
15561         * print-tree.c (print_node_brief, print_node): Ditto.
15562         * c-common.c (match_case_to_enum_1): Ditto.
15563         * sched-vis.c (print_value): Ditto.
15564         * config/i386/i386.c (print_operand): Cast to long unsigned int
15565         for hex printing.
15567 2008-04-15  Danny Smith  <dannysmith@users.sourceforge.net>
15568         * libgcc2.c [L_trampoline]: Remove  unnecessary prototype for
15569         MS Windows VirtualProtect function.
15571 2008-04-15  Jan Hubicka  <jh@suse.cz>
15573         * gengtype.c (write_root): Param_is argument is OK.
15574         * expr.c (expand_expr_real_1): Update call of get_exception_*.
15575         * function.h: Include varray.h
15576         (rtl_eh): New stucture based on except.c one.
15577         (call_site_record): New forward declaration and vector type.
15578         * calls.c (emit_call_1): Do not call
15579         note_current_region_may_contain_throw.
15580         * except.c (eh_status): Remove cur_region, try_region since they are
15581         unused.
15582         Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
15583         exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
15584         sjlj_fc, sjlj_exit_after to rth_eh in function.h.
15585         Remove call_site_data_used, call_site_data_size.
15586         Turn call_site_record into vector in function.h.
15587         (note_current_region_may_contain_throw): Remove.
15588         (get_exception_pointer, get_exception_filter): Do not take struct
15589         function argument; update.
15590         (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
15591         add_ttypes_entry, add_ehspec_entry, assign_filter_values,
15592         build_post_landing_pads, dw2_build_landing_pads,
15593         sjlj_assign_call_site_values, sjlj_mark_call_sites,
15594         sjlj_emit_function_enter, sjlj_emit_function_enter,
15595         sjlj_emit_function_exit, sjlj_emit_dispatch_table,
15596         sjlj_build_landing_pads, finish_eh_generation,
15597         remove_exception_handler_label, remove_eh_handler,
15598         maybe_remove_eh_handler, add_reachable_handler,
15599         reachable_handlers, expand_builtin_eh_return, expand_eh_return,
15600         add_action_record, collect_one_action_chain, add_call_site,
15601         convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
15602         sjlj_output_call_site_table, output_function_exception_table,
15603         * except.h (note_current_region_may_contain_throw): Remove
15604         (get_exception_pointer, get_exception_filter): Do not take struct
15605         function argument.
15606         * Makefile.in (GTFILES): Put varargs before struct function.
15608 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
15610         * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
15611         punt for STRING_CST.
15612         (get_constraint_for): Deal with STRING_CST here instead.
15614 2008-04-15  Richard Guenther  <rguenther@suse.de>
15616         * tree-ssa-propagate.c (substitute_and_fold): Substitute
15617         statements in a basic-block with a backward walk.  Do not
15618         substitute into dead statements but instead remove those.
15620 2008-04-15  Richard Guenther  <rguenther@suse.de>
15622         * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
15623         to zero, thus disable creation of SFTs.
15625 2008-04-15  Eric Botcazou  <ebotcazou@adacore.com>
15627         * tree-predcom.c (suitable_reference_p): Return false if the
15628         reference can throw.
15630 2008-04-15  Jakub Jelinek  <jakub@redhat.com>
15632         PR c/35751
15633         * c-decl.c (finish_decl): If extern or static var has variable
15634         size, set TREE_TYPE (decl) to error_mark_node.
15636 2008-04-15  Rafael Espindola  <espindola@google.com>
15638         * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
15639         variable arg1.
15641 2008-04-15  Richard Guenther  <rguenther@suse.de>
15643         * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
15644         * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
15645         (visit_reference_op_load): Do walk vuse-vdef chains on
15646         vn_reference_lookup.
15647         (visit_reference_op_store): But do not here.
15648         * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
15649         vn_reference_lookup.
15650         (vn_lookup_with_vuses): But do so here.
15652 2008-04-14  Ian Lance Taylor  <iant@google.com>
15654         * fold-const.c (fold_overflow_warning): Remove assertion.
15656 2008-04-15  Ben Elliston  <bje@au.ibm.com>
15658         * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
15659         temp1 local variables.
15661 2008-04-15  Zuxy Meng  <zuxy.meng@gmail.com>
15663         PR target/35661
15664         * config/i386/winnt.c (i386_pe_section_type_flags): Mark
15665         ".text.unlikely" section as executable.
15667 2008-04-14  James E. Wilson  <wilson@tuliptree.org>
15669         * config/ia64/ia64.c (rtx_needs_barrier): Handle
15670         UNSPEC_FR_SQRT_RECIP_APPROX_RES.
15671         * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
15672         (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
15673         divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
15674         divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
15675         divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
15677 2008-04-14  Ian Lance Taylor  <iant@google.com>
15679         * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
15680         * fold-const.c (fold_comparison): If appropriate, test
15681         POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
15682         (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
15683         reassociating a pointer type.
15684         * doc/invoke.texi (Optimize Options): Document that
15685         -fstrict-overflow applies to pointer wraparound.
15687 2008-04-13  Jan Hubicka  <jh@suse.cz>
15689         * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
15691 2008-04-12  Andrew Pinski  <pinskia@gmail.com>
15693         * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
15694         we are going to "save the world".
15696 2008-04-13  Hans-Peter Nilsson  <hp@axis.com>
15698         * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
15699         ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
15700         operand 0 constraint, not "=".
15702 2008-04-11  James E. Wilson  <wilson@tuliptree.org>
15704         * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
15706 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
15708         * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
15709         of size of positions_needed * CHAR_BIT.
15711 2008-04-11  H.J. Lu  <hongjiu.lu@intel.com>
15713         PR middle-end/35897
15714         * dse.c (store_info): Change positions_needed to unsigned
15715         HOST_WIDE_INT.
15716         (lowpart_bitmask): New.
15717         (record_store): Cast to unsigned HOST_WIDE_INT for
15718         positions_needed.  Assert width <= size of positions_needed *
15719         CHAR_BIT.  Call lowpart_bitmask to initialize positions_needed.
15720         (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask.  Call
15721         lowpart_bitmask to set mask.
15723 2008-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
15725         * config/bfin/constraints.md: New file.
15726         * config/bfin/bfin.md: Include it.
15727         (adddi3): Use satisfies_constraint functions instead of the old macros.
15728         * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
15729         CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
15730         CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
15731         CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
15732         CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
15733         CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
15734         EXTRA_CONSTRAINT): Delete.
15735         * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
15736         reg_or_neg7bit_operand): Use satisfies_constraint functions instead
15737         of the old macros.
15738         * config/bfin/bfin.c: Include "tm-constrs.h".
15739         (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
15740         Use satisfies_constraint functions instead of the old macros.
15741         * doc/md.texi (Blackfin Constraints): Update file name reference.
15743 2008-04-11  Richard Guenther  <rguenther@suse.de>
15745         PR tree-optimization/35869
15746         * tree-vrp.c (execute_vrp): Move switch statement update after
15747         jump threading.  Schedule another cfg cleanup run.
15749 2008-04-11  Volker Reichelt  <v.reichelt@netcologne.de>
15751         PR c/35744
15752         * attribs.c (decl_attributes): Return early on errorneous node.
15754 2008-04-10  Oleg Ryjkov  <olegr@google.com>
15756         * tree.h (struct tree_base): Added a new flag default_def_flag.
15757         (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
15759 2008-04-11  Kaz Kojima  <kkojima@gcc.gnu.org>
15761         * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
15763 2008-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15765         PR target/35768
15766         * pa.md: Define mode iterator P.  Define mode attribute dwc.
15767         (dcacheflush): Update pattern to use iterator P and attribute dwc.
15768         (icacheflush): Likewise.
15769         * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
15770         !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
15772 2008-04-11  Ben Elliston  <bje@au.ibm.com>
15774         * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
15776 2008-04-10  Rafael Espindola  <espindola@google.com>
15778         * tree-vrp.c (extract_range_from_binary_expr): Don't handle
15779         TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
15780         (extract_range_from_expr): The same.
15782 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
15784         * config/mips/mips.md (GPR2): New mode iterator.
15785         (seq): Add comment.
15786         (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
15787         *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
15788         *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
15789         Rewrite these to take two modes, the mode of comparison and the
15790         mode of the destination.
15791         * config/mips/mips.c (mips_expand_scc): Instead of having
15792         paradoxical subreg as destination, expand "narrowing" scc if mode
15793         of comparison is SI and target is requested in DI mode.
15794         (mips_emit_int_order_test): Update comment.  Make mode of
15795         comparison match CMP0 rather than TARGET.  When creating inverse
15796         target use mode of TARGET.
15798 2008-04-10  Adam Nemet  <anemet@caviumnetworks.com>
15800         * gcov-dump.c (tag_summary): Only print summaries for the first
15801         GCOV_COUNTERS_SUMMABLE counters.
15803 2008-04-10  Uros Bizjak  <ubizjak@gmail.com>
15805         * config/i386/i386.md (absneg): New code iterator.
15806         (absnegprefix): New code attribute.
15807         (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
15808         patterns using absneg code iterator.
15809         (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
15810         using absneg code iterator.
15811         (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
15812         *neg<mode>2 patterns using absneg code iterator.
15813         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
15814         *negextendsfdf2 patterns using absneg code iterator.
15815         (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
15816         *negextendsfxf2 patterns using absneg code iterator.
15817         (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
15818         *negextendsfdf2 patterns using absneg code iterator.
15819         * config/i386/sse.md (<code><mode>2): Macroize expander from
15820         abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
15822 2008-04-10  Andreas Krebbel  <krebbel1@de.ibm.com>
15824         * config/s390/s390.h: Remove the remains of the recent search
15825         & replace action of current_function_outgoing_args_size.
15827 2008-04-10  Ira Rosen  <irar@il.ibm.com>
15829         PR tree-optimization/35821
15830         * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
15831         NEW_STMT_LIST is not NULL.
15833 2008-04-09  David Edelsohn  <edelsohn@gnu.org>
15835         PR libstdc++/35597
15836         * toplev.c (process_options): Remove -ffunction-sections debugging
15837         warning.
15839 2008-04-09  Peter Bergner  <bergner@vnet.ibm.com>
15841         PR middle-end/PR28690
15842         * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
15843         than gen_rtx_fmt_ee to perform more canonicalizations.
15845 2008-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15847         PR driver/35665
15848         * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
15850 2008-04-09  Richard Guenther  <rguenther@suse.de>
15852         * tree-cfg.c (verify_stmt): Print complete bogus stmt.
15853         (dump_function_to_file): Dump function arguments with types.
15855 2008-04-08  Richard Guenther  <rguenther@suse.de>
15857         * fold-const.c (fold_widened_comparison): Do not allow
15858         sign-changes that change the result.
15860 2008-04-08  Janis Johnson  <janis187@us.ibm.com>
15862         PR target/35839
15863         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
15864         kinds of indirect references.
15866 2008-04-08  David Edelsohn  <edelsohn@gnu.org>
15868         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
15869         GNU Fortran language string.
15871 2008-04-08  Rafael Espindola  <espindola@google.com>
15873         * fold-canst.c (tree_call_nonnegative_warnv_p): New.
15874         (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
15875         * tree.h (tree_call_nonnegative_warnv_p): New.
15877 2008-04-08  Jan Hubicka  <jh@suse.cz>
15879         * function.c (free_after_compilation): Clear out regno_reg_rtx
15880         pointer.
15882 2008-04-08  Peter Bergner  <bergner@vnet.ibm.com>
15884         Revert
15885         2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
15887         PR middle-end/PR28690
15888         * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
15889         same precedence as REG_POINTER and MEM_POINTER operands.
15891 2008-04-08  Richard Guenther  <rguenther@suse.de>
15893         PR middle-end/35834
15894         * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
15895         for adding index to base.
15897 2008-04-08  Kai Tietz  <kai.tietz@onevision.com>
15899         * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
15900         (MINGW_ENABLE_EXECUTE_STACK): New.
15901         (IN_LIBGCC2): For libgcc include windows.h file for
15902         function declarations.
15904 2008-04-08  Hans-Peter Nilsson  <hp@axis.com>
15906         * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
15907         and tem2 if tem1 is not a REG or MULT.
15909 2008-04-08  Jan Hubicka  <jh@suse.cz>
15911         * function.h (incomming_args): Break out of struct function.
15912         (function_subsections): Break out of struct function.
15913         (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
15914         return_rtx and hard_reg_initial_vals from struct function.
15915         Kill inl_max_label_num.
15916         (current_function_pops_args, current_function_args_info,
15917         current_function_args_size, current_function_args_size,
15918         current_function_pretend_args_size,
15919         current_function_outgoing_args_size,
15920         current_function_internal_arg_pointer, current_function_return_rtx):
15921         Kill compatibility accestor macros.
15922         * builtins.c (expand_builtin_apply_args_1): Update.
15923         (expand_builtin_next_arg): Update.
15924         * df-scan.c (df_get_call_refs): Update.
15925         * dbxout.c (dbxout_function_end): Update.
15926         * dwarf2out.c (dwarf2out_switch_text_section): Update.
15927         (output_line_info): Update.
15928         (secname_for_decl): Update.
15929         (dwarf2out_var_location): Update.
15930         * function.c (free_after_compilation): Update.
15931         (assign_parm_find_stack_rtl): Update.
15932         (assign_parms): Update.
15933         (expand_dummy_function_end): Update.
15934         (expand_function_end): Update.
15935         * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
15936         (expand_call): Update.
15937         (emit_library_call_value_1): Update.
15938         (store_one_arg): Update.
15939         * varasm.c (initialize_cold_section_name): Update.
15940         (unlikely_text_section): Update.
15941         (unlikely_text_section_p): Update.
15942         (assemble_start_function): Update.
15943         (assemble_end_function): Update.
15944         (default_section_type_flags): Update.
15945         (switch_to_section): Update.
15946         * integrate.c (set_decl_abstract_flags): Update.
15947         (get_hard_reg_initial_val): Update.
15948         (has_hard_reg_initial_val): Update.
15949         (allocate_initial_values): Update.
15950         * resource.c (init_resource_info): Update.
15951         * config/alpha/alpha.c (NUM_ARGS): Update.
15952         (direct_return): Update.
15953         (alpha_va_start): Update.
15954         (alpha_sa_size): Update.
15955         (alpha_initial_elimination_offset): Update.
15956         (alpha_expand_prologue): Update.
15957         (alpha_start_function): Update.
15958         (alpha_expand_epilogue): Update.
15959         (unicosmk_initial_elimination_offset):
15960         * config/alpha/alpha.md (call expander): Update.
15961         * config/s390/s390.c (s390_register_info): Update.
15962         (s390_register_info): Update.
15963         (s390_frame_info): Update.
15964         (s390_initial_elimination_offset): Update.
15965         (s390_build_builtin_va_list): Update.
15966         (s390_va_start): Update.
15967         * config/spu/spu.c (direct_return): Update.
15968         (spu_expand_prologue): Update.
15969         (spu_initial_elimination_offset): Update.
15970         (spu_build_builtin_va_list): Update.
15971         (spu_va_start): Update.
15972         * config/sparc/sparc.c (sparc_init_modes): Update.
15973         (sparc_compute_frame_size): Update.
15974         (function_value): Update.
15975         * config/m32r/m32r.c (m32r_compute_frame_size): Update.
15976         * config/i386/i386.md (return expander): Update.
15977         * config/i386/i386.c (ix86_va_start): Update.
15978         (ix86_can_use_return_insn_p): Update.
15979         (ix86_compute_frame_layout): Update.
15980         (ix86_expand_epilogue): Update.
15981         * config/sh/sh.c (output_stack_adjust): Update.
15982         (calc_live_regs): Update.
15983         (sh_expand_prologue): Update.
15984         (sh_builtin_saveregs): Update.
15985         (sh_va_start): Update.
15986         (initial_elimination_offset): Update.
15987         (sh_allocate_initial_value): Update.
15988         (sh_function_ok_for_sibcall): Update.
15989         (sh_get_pr_initial_val): Update.
15990         * config/sh/sh.md (return expander): Update.
15991         * config/avr/avr.c (frame_pointer_required_p): UPdate.
15992         * config/crx/crx.c (crx_compute_frame): UPdate.
15993         (crx_initial_elimination_offset): UPdate.
15994         * config/xtensa/xtensa.c (compute_frame_size): Update
15995         (xtensa_builtin_saveregs): Update.
15996         (xtensa_va_start): Update.
15997         (order_regs_for_local_alloc): Update.
15998         * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
15999         (xstormy16_expand_builtin_va_start): Update.
16000         * config/fr30/fr30.c (fr30_compute_frame_size): Update.
16001         * config/m68hc11/m68hc11.md (return expanders): Update.
16002         * config/m68hc11/m68hc11.c (expand_prologue): Update.
16003         (expand_epilogue): Update.
16004         * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
16005         (cris_simple_epilogue): Update.
16006         (cris_expand_prologue): Update.
16007         (cris_expand_epilogue): Update.
16008         * config/iq2000/iq2000.c (iq2000_va_start): Update.
16009         (compute_frame_size): Update.
16010         * config/mt/mt.c (mt_compute_frame_size): Update.
16011         * config/mn10300/mn10300.c (expand_prologue): Update.
16012         (expand_epilogue): Update.
16013         (initial_offset): Update.
16014         (mn10300_builtin_saveregs):
16015         * config/mn10300/mn10300.md (return expander): Update.
16016         * config/ia64/ia64.c (ia64_compute_frame_size): Update.
16017         (ia64_initial_elimination_offset): Update.
16018         (ia64_initial_elimination_offset): Update.
16019         (ia64_expand_prologue): Update.
16020         * config/m68k/m68k.md (return expander): Update.
16021         * config/rs6000/rs6000.c (rs6000_va_start): Update.
16022         (rs6000_stack_info): Update.
16023         * config/mcore/mcore.c (layout_mcore_frame): Update.
16024         (mcore_expand_prolog): Update.
16025         * config/arc/arc.c (arc_compute_frame_size): Update.
16026         * config/score/score3.c (score3_compute_frame_size): Update.
16027         * config/score/score7.c (score7_compute_frame_size): Update.
16028         * config/arm/arm.c (use_return_insn): Update.
16029         (thumb_find_work_register): Update.
16030         (arm_compute_save_reg_mask): Update.
16031         (arm_output_function_prologue): Update.
16032         (arm_output_epilogue): Update.
16033         (arm_size_return_regs): Update.
16034         (arm_get_frame_offsets): Update.
16035         (arm_expand_prologue): Update.
16036         (thumb_exit): Update.
16037         (thumb_unexpanded_epilogue): Update.
16038         (thumb1_output_function_prologue): Update.
16039         * config/pa/pa.md (return expander): Update.
16040         * config/pa/pa.c (compute_frame_size): Update.
16041         (hppa_builtin_saveregs): Update.
16042         * config/mips/mips.c (mips_va_start): Update.
16043         (mips16_build_function_stub): Update.
16044         (mips_compute_frame_info): Update.
16045         (mips_restore_gp): Update.
16046         (mips_output_function_prologue): Update.
16047         (mips_expand_prologue): Update.
16048         * config/v850/v850.c (compute_frame_size): Update.
16049         (expand_prologue): * config/mmix/mmix.c (along): update.
16050         (mmix_initial_elimination_offset): update.
16051         (mmix_reorg): update.
16052         (mmix_use_simple_return): update.
16053         (mmix_expand_prologue): update.
16054         (mmix_expand_epilogue): Update.
16055         * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
16056         (emit_link_insn): Update.
16058 2008-04-08  Anatoly Sokolov <aesok@post.ru>
16060         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
16061         __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
16062         instructions.
16063         * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
16064         atmega103 device.
16066 2008-04-07  Jan Hubicka  <jh@suse.cz>
16068         * function.h (rtl): Rename to x_rtl.
16069         (crtl): New define.
16070         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
16071         frame_offset, stack_check_probe_note, arg_pointer_save_area,
16072         used_temp_slots avail_temp_slots, temp_slot_level,
16073         nonlocal_goto_handler_labels): Update accesstors.
16074         (rtl): New global variable.
16075         (struct function): Move some fileds to rtl_data.
16076         (get_arg_pointer_save_area): Update prototype.
16077         * builtins.c (expand_builtin_setjmp_receiver): Update call of
16078         get_arg_pointer_save_area.
16079         * expr.c (init_expr): Update
16080         * function.c (get_frame_size): Update
16081         (assign_stack_local): Update
16082         (expand_function_end): Update.
16083         (get_art_pointer_save_area): Update
16084         * function.h
16085         * emit-rtl.c (rtl): Declare.
16086         (regno_reg_rtx): Declare.
16087         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
16088         Update.
16089         (gen_reg_rtx): Update.
16090         * varasm.c (n_deferred_constatns): Update accestor.
16091         (init_varasm_status): Do not allocate varasm_status.
16092         (force_const_mem, get_pool_size, output_constant_pool): Update.
16093         * stmt.c (force_label_rtx): Do not use x_ prefixes.
16094         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
16095         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
16096         * sparc/sparc.h (INIT_EXPANDERS): Update.
16097         * ia64/ia64.h (INIT_EXPANDERS): Update.
16099 2008-04-07  James E. Wilson  <wilson@tuliptree.org>
16101         * reload.c (push_secondary_reload): Add missing break to for loop.
16103 2008-04-07  Peter Bergner  <bergner@vnet.ibm.com>
16105         PR middle-end/PR28690
16106         * rtlanal.c: Update copyright years.
16107         (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
16108         as REG_POINTER and MEM_POINTER operands.
16109         * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
16110         (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
16111         * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
16112         * gcse.c: Update copyright years.
16113         (pre_delete): Call gen_reg_rtx_and_attrs.
16114         (hoist_code): Likewise.
16115         (build_store_vectors): Likewise.
16116         (delete_store): Likewise.
16117         * loop-invariant.c (move_invariant_reg): Likewise.
16118         Update copyright years.
16120 2008-04-07  Uros Bizjak  <ubizjak@gmail.com>
16122         * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
16123         control string instead of quoted.
16125 2008-04-07  Kenneth Zadeck  <zadeck@naturalbridge.com>
16127         * doc/rtl.texi: Rewrite of subreg section.
16129 2008-04-07  Kai Tietz  <kai.tietz@onevision.com>
16131         PR/35842
16132         * config/i386/i386.c (legitimize_pic_address): Add treating
16133         of dllimport SYM_REF's.
16134         (legitimize_dllimport_symbol): Add prototype.
16136 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
16138         * fold-const.c (fold) <ARRAY_REF>: New case.  Try to fold constant
16139         reference in constructor with non self-referential type.
16141 2008-04-07  Eric Botcazou  <ebotcazou@adacore.com>
16143         Removal of Return with Depressed Stack Pointer support
16144         * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
16145         (ECF_SP_DEPRESSED): Likewise.
16146         (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
16147         * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
16148         (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
16149         (expand_call): Do not test ECF_SP_DEPRESSED.
16150         * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
16151         * function.c (keep_stack_depressed): Delete.
16152         (handle_epilogue_set): Likewise.
16153         (update_epilogue_consts): Likewise.
16154         (emit_equiv_load): Likewise.
16155         (thread_prologue_and_epilogue_insns): Remove support for Return with
16156         Depressed Stack Pointer.
16157         * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
16159 2008-04-06  Richard Guenther  <rguenther@suse.de>
16161         PR tree-optimization/35400
16162         * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
16163         information from SSA_NAMEs.
16165 2008-04-06  Anatoly Sokolov <aesok@post.ru>
16167         * config/avr/avr.h (avr_mega_p): Remove declaration.
16168         (AVR_MEGA): Remove macro.
16169         * config/avr/avr.c (avr_mega_p): Remove variable.
16170         (avr_override_options): Remove inicializion of avr_mega_p.
16171         Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
16172         (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
16173         (avr_jump_mode): (Ditto.).
16174         (avr_output_progmem_section_asm_op): (Ditto.).
16175         (avr_asm_init_sections): (Ditto.).
16176         (avr_asm_init_sections): (Ditto.).
16177         (avr_rtx_costs): (Ditto.).
16178         * config/avr/avr.md: (Ditto.).
16179         * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
16180         '__AVR_MEGA__'.
16182 2008-04-06  Richard Guenther  <rguenther@suse.de>
16184         PR tree-optimization/35842
16185         * tree-ssa-address.c (fixed_address_object_p): Adjust to match
16186         is_gimple_invariant_address.
16188 2008-04-06  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
16190         * gcc.c (default_compilers): Sync Fortran extensions list with
16191         that in fortran/lang-specs.h.
16192         * doc/invoke.texi: Likewise.
16193         * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
16194         * dwarf2out.c (gen_compile_unit_die): Likewise.
16196 2008-04-06  Tom G. Christensen  <tgc@jupiterrise.com>
16198         * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
16200 2008-04-05  Uros Bizjak  <ubizjak@gmail.com>
16202         PR target/12329
16203         * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
16204         attribute is used for nested functions.
16206 2008-04-05  Jan Hubicka  <jh@suse.cz>
16208         * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
16210         * tree-dump.c (dump_enable_all): Remove prototype; do not accept
16211         letter argument.
16212         (dump_files): Update.
16213         (enable_rtl_dump_file): Do not accept letter argument.
16214         * tree-pass.h (dump_file_info): Remove letter argument.
16215         * toplev.c (decode_d_option): Update -da handling.
16216         * toplev.h (enable_rtl_dump_file): Update prototype.
16217         * passes.c (register_one_dump_file): Do not accept IPA argument; work
16218         it out based on pass type.
16219         (register_dump_files_1): Likewise.
16220         (init_optimization_passes): Update register_one_dump_file calls.
16221         (execute_one_pass): Sanity check that IPA passes are called at IPA
16222         level and RTL passes at RTL level.
16223         (execute_pass_list): IPA pass can not be after or subpass of
16224         GIMPLE/RTL pass.
16225         (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
16226         disallov RTL subpasses of IPA subpasses.
16228 2008-04-05  Ben Elliston  <bje@au.ibm.com>
16230         * tree-cfg.c (need_fake_edge_p): Return false for calls to
16231         builtins that return exactly once and do not throw. Cache call to
16232         call_expr_flags.
16234 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
16236         PR rtl-optimization/34916
16237         PR middle-end/35519
16238         * combine.c (create_log_links): Do not create duplicate LOG_LINKS
16239         between instruction pairs.
16241 2008-04-04  Naveen.H.S  <naveen.hs@kpitcummins.com>
16243         * doc/invoke.texi: Document -mbitops for SH.
16244         * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
16245         * config/sh/predicates.md (bitwise_memory_operand): New predicate.
16246         * config/sh/sh.c (print_operand): Add %t operand code.
16247         * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
16248         * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
16249         (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
16250         (extendqihi2): Likewise.
16251         (movqi_i): Likewise.
16252         (insv): Use bset, bclr and bst instructions for SH2A if possible.
16253         (extv): Use bld instruction for SH2A if possible.
16254         (extzv): Likewise.
16255         (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
16256         bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
16257         bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
16258         (bset.b, bclr.b): Define peepholes.
16259         * config/sh/sh.opt (mbitops): New option.
16261 2008-04-04  Janis Johnson  <janis187@us.ibm.com>
16263         PR target/35620
16264         * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
16265         and view convert expression.
16267 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
16269         PR target/35364
16270         * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
16272 2008-04-04  H.J. Lu  <hongjiu.lu@intel.com>
16274         * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
16276         * config/i386/cpuid.h (bit_AES): New.
16277         (bit_PCLMUL): Likewise.
16279         * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
16280         (override_options): Handle PTA_AES and PTA_PCLMUL.  Enable
16281         SSE2 if AES or PCLMUL is enabled.
16282         (ix86_builtins): Add IX86_BUILTIN_AESENC128,
16283         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
16284         IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
16285         IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
16286         (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
16287         (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
16288         IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
16289         IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
16290         (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
16291         (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
16292         __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
16293         __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
16294         __builtin_ia32_aeskeygenassist128 and
16295         __builtin_ia32_pclmulqdq128.
16296         * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
16297         (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
16298         IX86_BUILTIN_PSRLDQI128.  Handle IX86_BUILTIN_AESKEYGENASSIST128.
16300         * config/i386/i386.h (TARGET_AES): New.
16301         (TARGET_PCLMUL): Likewise.
16302         (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
16304         * config/i386/i386.md (UNSPEC_AESENC): New.
16305         (UNSPEC_AESENCLAST): Likewise.
16306         (UNSPEC_AESDEC): Likewise.
16307         (UNSPEC_AESDECLAST): Likewise.
16308         (UNSPEC_AESIMC): Likewise.
16309         (UNSPEC_AESKEYGENASSIST): Likewise.
16310         (UNSPEC_PCLMUL): Likewise.
16312         * config/i386/i386.opt (maes): New.
16313         (mpclmul): Likewise.
16315         * config/i386/sse.md (aesenc): New pattern.
16316         (aesenclast): Likewise.
16317         (aesdec): Likewise.
16318         (aesdeclast): Likewise.
16319         (aesimc): Likewise.
16320         (aeskeygenassist): Likewise.
16321         (pclmulqdq): Likewise.
16323         * config/i386/wmmintrin.h: New.
16325         * doc/extend.texi: Document AES and PCLMUL built-in function.
16327         * doc/invoke.texi: Document -maes and -mpclmul.
16329 2008-04-04  Paolo Bonzini  <bonzini@gnu.org>
16331         * function.c (free_after_parsing): Replace with
16332         cxx_push_function_context from C++ front-end.
16333         (allocate_struct_function): Don't call langhook.
16334         * langhooks.h (struct lang_hooks_for_functions): Delete.
16335         (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
16336         member "function".
16337         * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
16338         (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
16339         LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
16340         LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
16341         (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
16342         remove LANG_HOOKS_FUNCTION_INITIALIZER.
16343         * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
16345         * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
16346         Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
16348 2008-04-04  Jakub Jelinek  <jakub@redhat.com>
16350         PR c/35440
16351         * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
16352         for all types.
16354 2008-04-04  Richard Guenther  <rguenther@suse.de>
16356         PR middle-end/35823
16357         * fold-const.c (optimize_minmax_comparison): Use the correct
16358         type for the constant in the simplified comparison.
16360 2008-04-04  Zuxy Meng <zuxy.meng@gmail.com>
16362         * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
16363         Pass L2 size as "--param l2-cache-size" to the compiler.
16364         (decode_l2_cache): New function to decode L2 cache parameters using
16365         0x8000006 extended cpuid function.
16366         (detect_caches_amd): Determine parameters of L2 cache using
16367         decode_l2_caches function.
16368         (decode_caches_intel): Decode L2 cache parameters.
16369         (detect_caches_intel): Determine L2 cache parameters using
16370         decode_caches_intel and decode_l2_caches functions.
16372 2008-04-03  Bob Wilson  <bob.wilson@acm.org>
16374         * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
16375         secondary input reload for subword loads from the constant pool.
16377 2008-04-03  Janis Johnson  <janis187@us.ibm.com>
16379         PR target/35713
16380         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
16381           constants of the appropriate size for runtime calculations.
16383         PR c/35712
16384         * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
16385           decimal-float literal constant zero.
16387 2008-04-03  Jakub Jelinek  <jakub@redhat.com>
16389         PR c/35738
16390         * c-parser.c (c_parser_omp_atomic): Call
16391         default_function_array_conversion on the RHS.
16393         PR middle-end/35818
16394         * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
16395         call is_variable_sized if decl has incomplete type.
16397 2008-04-03  H.J. Lu  <hongjiu.lu@intel.com>
16399         * config/i386/i386-protos.h (ix86_aligned_p): Removed.
16401 2008-04-03  Adam Nemet  <anemet@caviumnetworks.com>
16403         * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
16404         iterators.
16405         (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
16406         (sgt<u>): Merge sgt and sgtu into new expander.
16407         (sgt, sgtu): Remove expanders.
16408         (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
16409         (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
16410         (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
16411         *sgtu_<mode>_mips16 into new pattern.
16412         (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
16413         (sge<u>): Merge sge and sgeu into new expander.
16414         (sge, sgeu): Remove expanders.
16415         (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
16416         new pattern.
16417         (*sge_<mode>, second *sge_<mode>): Remove patterns.
16418         (slt<u>): Merge slt and sltu into new expander.
16419         (slt, sltu): Remove expanders.
16420         (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
16421         (*slt_<mode>, *sltu_<mode>): Remove patterns.
16422         (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
16423         *sltu_<mode>_mips16 into new pattern.
16424         (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
16425         (sle<u>): Merge sle and sleu into new expander.
16426         (sle, sleu): Remove expanders.
16427         (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
16428         (*sle_<mode>, *sleu_<mode>): Remove patterns.
16429         (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
16430         *sleu_<mode>_mips16 into new pattern.
16431         (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
16433 2008-04-03  Jan Hubicka  <jh@suse.cz>
16435         PR tree-optimization/35795
16436         * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
16437         * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
16438         * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
16439         * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
16440         * score/score3.c (score3_output_mi_thunk): Likewise.
16441         * score/score7.c (score7_output_mi_thunk): Likewise.
16442         * mips/mips.c (mips_output_mi_thunk): Likewise.
16444 2008-04-03  Richard Guenther  <rguenther@suse.de>
16446         * tree-vrp.c (extract_range_from_unary_expr): Handle all
16447         conversions.  Simplify code.
16449 2008-04-03  Kaz Kojima  <kkojima@gcc.gnu.org>
16451         * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
16453 2008-04-03  Tom Tromey  <tromey@redhat.com>
16454             Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
16456         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
16457         * config/bfin/t-bfin-linux (generated_files): Add
16458         linux-sysroot-suffix.h.
16459         * doc/install.texi (Prerequisites): Require make 3.80.
16460         * doc/sourcebuild.texi (Front End Directory): Document new
16461         variable.
16462         * Makefile.in (generated_files): New variable.
16463         (ALL_HOST_OBJS): New variable.
16464         ($(ALL_HOST_OBJS)): New target.
16466 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
16468         * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
16469         (remap_block): Call id->transform_lang_insert_block instead
16470         of langhook.
16471         (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
16472         Set id.transform_lang_insert_block to NULL.
16473         (clone_body): Move to cp/optimize.c
16474         * tree-inline.h (struct copy_body_data): Change
16475         transform_lang_insert_block to function pointer.
16476         (copy_generic_body, copy_decl_no_change): Export.
16477         * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
16478         * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
16479         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
16481         * c-tree.h (insert_block): Kill.
16482         * c-decl.c (insert_block): Kill.
16484 2008-04-03  Paolo Bonzini  <bonzini@gnu.org>
16486         * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
16487         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
16488         * c-tree.h (c_push_function_context, c_pop_function_context): Remove
16489         argument.
16490         * c-decl.c (c_push_function_context, c_pop_function_context): Remove
16491         argument, call {push,pop}_function_context from here.
16492         * c-parser.c: Use c_{push,pop}_function_context.
16494         * function.c (push_function_context_to): Move meat ...
16495         (push_function_context): ... here.  Simplify.
16496         * function.c (pop_function_context_from): Move meat ...
16497         (pop_function_context): ... here.  Simplify.
16498         * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
16499         leave_nested).
16500         * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
16501         LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
16502         (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
16503         * tree.h (push_function_context_to, pop_function_context_from): Remove.
16505 2008-04-03  Ben Elliston  <bje@au.ibm.com>
16507         * expmed.c (extract_force_align_mem_bit_field): Remove.
16509 2008-04-03  Richard Guenther  <rguenther@suse.de>
16511         PR middle-end/35800
16512         * expr.h (try_casesi): Adjust prototype.
16513         * expr.c (try_casesi): Take fallback label as extra parameter.
16514         Use that for gen_casesi if default_label is NULL.
16515         * stmt.c (expand_case): Pass fallback label to try_casesi,
16516         make sure to fill gaps with a fallback label if default_label
16517         is not present.
16519 2008-04-03  Dominique d'Humieres <dominiq@lps.ens.fr>
16521         PR target/35801
16522         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
16524 2008-04-03  Ben Elliston  <bje@au.ibm.com>
16526         * expmed.c (extract_split_bit_field): Remove if (0) code.
16527         * tree-ssa-structalias.c (do_sd_constraint): Likewise.
16528         (do_ds_constraint): Likewise.
16530 2008-04-02  Joseph Myers  <joseph@codesourcery.com>
16532         * doc/cppopts.texi (-dU): Document.
16533         * c-common.h (flag_dump_macros): Update comment.
16534         * c-opts.c (handle_OPT_d): Handle -dU.
16535         * c-ppoutput.c (macro_queue, define_queue, undef_queue,
16536         dump_queued_macros, cb_used_define, cb_used_undef): New.
16537         (init_pp_output): Handle -dU.
16538         (cb_line_change): Call dump_queued_macros.
16539         * toplev.c (decode_d_option): Accept -dU as preprocessor option.
16541 2008-04-02  Anatoly Sokolov <aesok@post.ru>
16543         * config/avr/predicates.md (io_address_operand): New predicate.
16544         * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
16545         * config/avr/avr.c (avr_io_address_p): Remove function.
16546         (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
16547         'avr_io_address_p' function.
16548         (out_movhi_r_mr): (Ditto.).
16549         (out_movqi_mr_r): (Ditto.).
16550         (out_movhi_mr_r): (Ditto.).
16551         (avr_address_cost): (Ditto.).
16553 2008-04-02  Uros Bizjak  <ubizjak@gmail.com>
16555         * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
16556         Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
16557         in 32bit mode when XMM registers are available to avoid store
16558         forwarding stalls.
16559         (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
16560         corresponding post-reload splitters.
16562 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
16564         * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
16565         and __builtin_ia32_shufpd.  Provide __builtin_ia32_roundsd and
16566         __builtin_ia32_roundss.
16567         (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
16568         __builtin_ia32_shufpd, __builtin_ia32_roundsd and
16569         __builtin_ia32_roundss.
16570         (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
16571         IX86_BUILTIN_SHUFPD here.
16573 2008-04-02  H.J. Lu  <hongjiu.lu@intel.com>
16575         * config/i386/i386.md (plogic): New.
16576         (plogicprefix): Likewise.
16578         * config/i386/mmx.md (mmx_<code><mode>3): New.
16579         (mmx_and<mode>3): Removed.
16580         (mmx_ior<mode>3): Likewise.
16581         (mmx_xor<mode>3): Likewise.
16583         * config/i386/sse.md (<code><mode>3): New.
16584         (*<code><mode>3): Likewise.
16585         (*<code><mode>3): Likewise.
16586         (<code><mode>3): Likewise.
16587         (*sse_<code><mode>3): Likewise.
16588         (*sse2_<code><mode>3): Likewise.
16589         (<code>tf3): Likewise.
16590         (*<code>tf3): Likewise.
16591         (and<mode>3): Likewise.
16592         (*and<mode>3): Likewise.
16593         (ior<mode>3): Removed.
16594         (*ior<mode>3): Likewise.
16595         (xor<mode>3): Likewise.
16596         (*xor<mode>3): Likewise.
16597         (*and<mode>3): Likewise.
16598         (*ior<mode>3): Likewise.
16599         (*xor<mode>3): Likewise.
16600         (and<mode>3): Likewise.
16601         (*sse_and<mode>3): Likewise.
16602         (*sse2_and<mode>3): Likewise.
16603         (andtf3): Likewise.
16604         (*andtf3): Likewise.
16605         (ior<mode>3): Likewise.
16606         (*sse_ior<mode>3): Likewise.
16607         (*sse2_ior<mode>3): Likewise.
16608         (iortf3): Likewise.
16609         (*iortf3): Likewise.
16610         (xor<mode>3): Likewise.
16611         (*sse_xor<mode>3): Likewise.
16612         (*sse2_xor<mode>3): Likewise.
16613         (xortf3): Likewise.
16614         (*xortf3): Likewise.
16616 2008-04-02  Richard Guenther  <rguenther@suse.de>
16618         PR tree-optimization/14495
16619         PR tree-optimization/34793
16620         * tree-vrp.c (struct switch_update): New structure.
16621         (to_remove_edges, to_update_switch_stmts): New VECs.
16622         (simplify_switch_using_ranges): New function.  Remove not taken
16623         case labels and edges.
16624         (simplify_stmt_using_ranges): Call it.
16625         (identify_jump_threads): Mark edges we have queued for removal
16626         so we don't thread them.
16627         (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
16628         case label vector.
16629         * tree-cfg.c (group_case_labels): Deal with missing default label.
16630         (tree_verify_flow_info): Allow missing default label.
16631         * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
16632         (emit_case_nodes): Likewise.
16633         (expand_case): Do not rely on the default label to be present.
16634         * expr.c (try_casesi): Deal with NULL default_label.
16635         (do_tablejump): Likewise.
16637 2008-04-02  Richard Guenther  <rguenther@suse.de>
16639         PR tree-optimization/14495
16640         * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
16641         SWITCH_EXPR here ...
16642         (vrp_visit_switch_stmt): ... but here (new function).
16643         (find_case_label_index): New helper function.
16644         (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
16646 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16648         * fwprop.c: Fix ISO-C99ism.
16650 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16652         PR bootstrap/35752
16653         * Makefile.in (objdir): Set it here.
16654         * configure.ac: Not here.  Find dynamic linker characteristics.
16655         * exec-tool.in: Use them.
16656         * aclocal.m4: Regenerate.
16657         * configure: Regenerate.
16659 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16661         * expr.c (expand_var): Delete it.
16662         * expr.h (expand_var): Delete prototype.
16663         * function.c (expand_function_start): Use expand_decl instead.
16664         * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
16665         langhook.
16667 2008-04-02  Andy Hutchinson <hutchinsonamdy@aim.com>
16669         PR rtl-optimization/35542
16670         * fwprop.c (forward_propagate_and_simplify): Replace
16671         loc_reg_mentioned_in_p with reg_mentioned_p.
16673 2008-04-02  Paolo Bonzini  <bonzini@gnu.org>
16675         PR rtl-optimization/35281
16676         * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
16677         (propagate_rtx_1): Handle PR_HANDLE_MEM.
16678         (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
16679         (varying_mem_p): Move above propagate_rtx.
16680         (all_uses_available_at): Do not check MEMs.
16682 2008-04-02  Rafael Espindola  <espindola@google.com>
16684         * tree-vrp.c (extract_code_and_val_from_cond): Remove.
16685         (register_edge_assert_for_2): Split the cond argument.
16686         (register_edge_assert_for_1): Adjust for the change in
16687         register_edge_assert_for_2.
16688         (register_edge_assert_for): Split the cond argument.
16689         (find_switch_asserts): Adjust for the change in
16690         register_edge_assert_for.
16692 2008-04-02  Kai Tietz  <kai.tietz@onevision.com>
16694         * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
16695         * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
16696         offsets for 64-bit mingw.
16697         * config/i386/i386.c (ix86_pass_by_reference): Correct calling
16698         abi for x86_64-pc-mingw.
16700 2008-04-02  Richard Guenther  <rguenther@suse.de>
16702         * tree-vrp.c (extract_range_from_assert): Make sure to not
16703         produce range min/max with TREE_OVERFOW set.
16704         If merging a anti-range and a range keep the anti-range if
16705         the range covers all values of the type.
16706         (register_edge_assert_for_2): Only allow sign-changing
16707         conversions in detecting canonical range checks.  Also
16708         register an assert for the unsigned name if useful.
16710         PR tree-optimization/35787
16711         * tree-vrp.c (vrp_val_max): New function.
16712         (vrp_val_min): Likewise.
16713         (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
16714         (vrp_val_is_min): Likewise.
16715         (supports_overflow_infinity): Use vrp_val_{min,max}.
16716         (negative_overflow_infinity): Likewise.
16717         (positive_overflow_infinity): Likewise.
16718         (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
16719         (is_positive_overflow_infinity): Likewise.
16720         (is_overflow_infinity): Likewise.
16721         (avoid_overflow_infinity): Use vrp_val_{min,max} and
16722         vrp_val_is_{min,max}.
16723         (set_and_canonicalize_value_range): Canonicalize anti-ranges
16724         to ranges if possible.  Avoid empty ranges.
16726 2008-04-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
16728         PR middle-end/35705
16729         * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
16730         the expression is a function address.
16732 2008-04-01  George Helffrich  <george@gcc.gnu.org>
16734         PR fortran/35154, fortran/23057
16735         * dbxout.c: Emit .stabs debug info for Fortran COMMON block
16736         variables as base symbol name + offset using N_BCOMM/N_ECOMM.
16737         (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
16738         (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
16739         in common.
16740         (dbxout_syms): Check for COMMON-based symbol and wrap in
16741         N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
16742         in bracket for efficiency.
16744         * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
16745         using DW_TAG_common_block + member offset.
16746         (add_pubname_string): New function.
16747         (dw_expand_expr): New function to find block name and offset for
16748         COMMON var.
16749         (common_check): New function to check whether symbol in Fortran COMMON.
16750         (gen_variable_die): If COMMON, use DW_TAG_common_block.
16752 2008-04-01  Volker Reichelt  <v.reichelt@netcologne.de>
16754         PR c/35436
16755         * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
16757 2008-04-02  Ben Elliston  <bje@au.ibm.com>
16759         * config/v850/v850.md (casesi): Remove if (0) code.
16760         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
16761         * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
16763 2008-04-01  Uros Bizjak  <ubizjak@gmail.com>
16765         * config/i386/i386.md (rex64suffix): New mode attribute.
16766         (floathi<mode>2): Disable expander for SSE math.
16767         (*floathi<mode>2_1): New insn insn_and_split pattern.
16768         (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
16769         corresponding post-reload splitters.
16770         (*floathi<mode>2_i387): New macroized insn pattern.
16771         (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
16772         (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
16773         insn_and_split pattern.
16774         (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
16775         New macroized instruction patterns and corresponding post-reload
16776         splitters.
16777         (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
16778         and corresponding post-reload splitters.
16779         (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
16780         New macroized instruction patterns.
16781         (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
16782         macroized instruction patterns and corresponding post-reload splitters.
16783         (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
16784         corresponding post-reload splitters.
16785         (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
16786         New macroized instruction patterns.
16787         (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
16788         corresponding post-reload splitters.
16789         (*floatsi<mode>2_i387): New macroized instruction patterns.
16791 2008-04-01  H.J. Lu  <hongjiu.lu@intel.com>
16793         * config/i386/i386.md (smaxmin): New.
16794         (umaxmin): Likewise.
16795         (maxminiprefix): Likewise.
16796         (maxminfprefix): Likewise.
16797         (<code><mode>3): Likewise.
16798         (smin<mode>3): Removed.
16799         (smax<mode>3): Likewise.
16801         * config/i386/mmx.md (mmx_<code>v2sf3): New.
16802         (mmx_<code>v4hi3): Likewise.
16803         (mmx_<code>v8qi3): Likewise.
16804         (mmx_smaxv2sf3): Removed.
16805         (mmx_sminv2sf3): Likewise.
16806         (mmx_umaxv8qi3): Likewise.
16807         (mmx_smaxv4hi3): Likewise.
16808         (mmx_uminv8qi3): Likewise.
16809         (mmx_sminv4hi3): Likewise.
16811         * config/i386/sse.md (<addsub><mode>3): New.
16812         (*<addsub><mode>3): Likewise.
16813         (<sse>_vm<addsub><mode>3): Likewise.
16814         (<maxmin><mode>3): Likewise.
16815         (*<maxmin><mode>3_finite): Likewise.
16816         (*<maxmin><mode>3): Likewise.
16817         (<sse>_vm<maxmin><mode>3): Likewise.
16818         (sse3_h<addsub>v4sf3): Likewise.
16819         (sse3_h<addsub>v2df3): Likewise.
16820         (<maxmin>v16qi3): Likewise.
16821         (*<maxmin>v16qi3): Likewise.
16822         (<maxmin>v8hi3): Likewise.
16823         (*<maxmin>v8hi3): Likewise.
16824         (*sse4_1_<maxmin><mode>3): Likewise.
16825         (*sse4_1_<maxmin><mode>3): Likewise.
16826         (add<mode>3): Removed.
16827         (*add<mode>3): Likewise.
16828         (<sse>_vmadd<mode>3): Likewise.
16829         (sub<mode>3): Likewise.
16830         (*sub<mode>3): Likewise.
16831         (<sse>_vmsub<mode>3): Likewise.
16832         (smin<mode>3): Likewise.
16833         (*smin<mode>3_finite): Likewise.
16834         (*smin<mode>3): Likewise.
16835         (<sse>_vmsmin<mode>3): Likewise.
16836         (smax<mode>3): Likewise.
16837         (*smax<mode>3_finite): Likewise.
16838         (*smax<mode>3): Likewise.
16839         (<sse>_vmsmax<mode>3): Likewise.
16840         (sse3_haddv4sf3): Likewise.
16841         (sse3_haddv2df3): Likewise.
16842         (sse3_hsubv4sf3): Likewise.
16843         (sse3_hsubv2df3): Likewise.
16844         (umaxv16qi3): Likewise.
16845         (*umaxv16qi3): Likewise.
16846         (smaxv8hi3): Likewise.
16847         (*smaxv8hi3): Likewise.
16848         (*sse4_1_smax<mode>3): Likewise.
16849         (*sse4_1_umax<mode>3): Likewise.
16850         (uminv16qi3): Likewise.
16851         (*uminv16qi3): Likewise.
16852         (sminv8hi3): Likewise.
16853         (*sminv8hi3): Likewise.
16854         (*sse4_1_smin<mode>3): Likewise.
16855         (*sse4_1_umin<mode>3): Likewise.
16857 2008-04-01  Rafael Espindola  <espindola@google.com>
16859         * tree-cfg.c (verify_expr): remove in_phi.
16860         (verify_stmt): Don't call walk_tree with verify_expr. Use
16861         is_gimple_min_invariant instead of is_gimple_val.
16863 2008-04-01  Joseph Myers  <joseph@codesourcery.com>
16865         * doc/include/gpl_v3.texi: Update for manpage generation.
16866         * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
16867         gpl.texi.
16868         * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
16869         * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
16870         gpl_v3.texi instead of gpl.texi.
16871         (gpl.pod): New.
16873 2008-04-01  Jakub Jelinek  <jakub@redhat.com>
16875         PR pch/13675
16876         * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
16878 2008-04-01  Rafael Espindola  <espindola@google.com>
16880         * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
16881         (extract_code_and_val_from_cond): Use
16882         extract_code_and_val_from_cond_with_ops.
16884 2008-04-01  Jan Hubicka  <jh@suse.cz>
16886         * function.c (free_after_compilation): Free epilogue_delay_list.
16887         (prepare_function_start): Assert that previous compilation was freed.
16889 2008-04-01  Jan Hubicka  <jh@suse.cz>
16890             Jim Wilson  <wilson@tuliptree.org>
16891             Andreas Tobler <andreast@gcc.gnu.org>
16893         PR middle-end/35781
16894         * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
16895         rtl.emit instead cfun->emit.
16896         * sparc/sparc.h (INIT_EXPANDERS): Likewise.
16897         * ia64/ia64.h (INIT_EXPANDERS): Likewise.
16899 2008-04-01  Ben Elliston  <bje@au.ibm.com>
16901         * doc/c-tree.texi (Function Basics): Fix grammatical error.
16903 2008-03-31  Seongbae Park <seongbae.park@gmail.com>
16905         * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
16906         New options
16907         (fprofile-use): Add var flag_profile_use
16908         * coverage.c (coverage_begin_output): Do not open a gcno file for
16909         output only if -ftest-coverage is set.
16910         Do not add getpwd() to gcda file path.
16911         (build_gcov_info): Check the new flag
16912         flag_profile_datafile_relative_path.
16913         (coverage_init): Use profile_data_prefix.
16914         Read profile counter only if flag_profile_use is set.
16915         * opts.c (common_handle_option): New option fprofile-use=,
16916         fprofile-dir=, fprofile-generate=.
16917         * toplev.c (profile_data_prefix): New variable definition.
16918         * toplev.h (profile_data_prefix): New declaration.
16919         * doc/invoke.tex (Option Summary, Optimization Options):
16920         Add new options.
16922 2008-03-31  James E. Wilson  <wilson@tuliptree.org>
16924         * varasm.c (output_constant_pool_1): In LABEL_REF check,
16925         use tmp consistently.
16927         PR target/35695
16928         * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
16929         * config/ia64/ia64.c (rtx_needs_barrier): Handle
16930         UNSPEC_FR_RECIP_APPROX_RES.
16931         * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
16933 2008-03-31  Volker Reichelt  <v.reichelt@netcologne.de>
16935         PR c/35750
16936         * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
16938 2008-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
16940         PR middle-end/30186
16941         * fold-const.c (fold_indirect_ref_1): Support accessing non first
16942         element of the vector via a pointer.
16944 2008-03-31  Ian Lance Taylor  <iant@google.com>
16946         * tlink.c (scan_linker_output): Look for symbol name in single quotes.
16948 2008-03-31  Jan Hubicka  <jh@suse.cz>
16950         * builtins.c (expand_builtin_setjmp_receiver): Update call of
16951         get_arg_pointer_save_area.
16952         * expr.c (init_expr): Just clear out rtl.expr.
16953         * function.c (free_after_compilation): Clear out whole RTL structure.
16954         (get_func_frame_size): Merge into ...
16955         (get_frame_size): ... this one.
16956         (assign_stack_local_1): Merge into ...
16957         (assign_stack_local): ... this one.
16958         (expand_function_end): Update call of get_arg_pointer_save_area.
16959         (get_art_pointer_save_area): Remove cfun argument.
16960         * function.h (emit_status): regno_pointer_align does not need length
16961         attribute. Move x_regno_reg_rtx to ...
16962         (regno_reg_rtx): ... new global array.
16963         (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
16964         (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
16965         apply_args_value, forced_labels, stack_pointer_delta):
16966         Update accestors.
16967         (struct varasm_status): Move here from varasm.c
16968         (struct rtl_data): New. Move here some fields from struct function.
16969         (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
16970         frame_offset, stack_check_probe_note, arg_pointer_save_area,
16971         used_temp_slots avail_temp_slots, temp_slot_level,
16972         nonlocal_goto_handler_labels): Update accesstors.
16973         (rtl): New global variable.
16974         (struct function): Move some fileds to rtl_data.
16975         (get_arg_pointer_save_area): Update prototype.
16976         * emit-rtl.c (rtl): Declare.
16977         (regno_reg_rtx): Declare.
16978         (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
16979         Update.
16980         (gen_reg_rtx): Update.
16981         (init_virtual_regs): Do not tate emit_status argument.
16982         (init_emit): Do not allocate emit.
16983         * varasm.c (varasm_statuc): Move to function.h.
16984         (n_deferred_constatns): Update accestor.
16985         (init_varasm_status): Do not allocate varasm_status.
16986         (force_const_mem, get_pool_size, output_constant_pool): Update.
16987         * stmt.c (force_label_rtx): Do not use x_ prefixes.
16988         (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
16990 2008-03-31  Zdenek Dvorak  <ook@ucw.cz>
16992         PR rtl-optimization/35729
16993         * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
16994         references.
16996 2008-03-31  H.J. Lu  <hongjiu.lu@intel.com>
16998         PR target/32000
16999         * config/i386/i386.md (*movti_internal): Emit unaligned SSE
17000         load/store if memory is unaligned.
17001         (*movti_rex64): Likewise.
17003         * config/i386/predicates.md (misaligned_operand): New.
17005 2008-03-31  Andrew Pinski  <pinskia@gmail.com>
17007         PR tree-opt/35431
17008         * tree-ssa-phiopt.c (conditional_replacement): Return early for
17009         complex types.
17011 2008-03-31  Jan Beulich  <jbeulich@novell.com>
17013         * config/ia64/constraints.md: Add 'j' constraint.
17014         * config/ia64/ia64.md (movsi_internal): Add addp4 case.
17015         (movdi_internal): Likewise.
17017 2008-03-30  Volker Reichelt  <v.reichelt@netcologne.de>
17019         PR c/35748
17020         * c-typeck.c (build_c_cast): Skip invalid fields in unions.
17022 2008-03-30  H.J. Lu  <hongjiu.lu@intel.com>
17024         PR target/35757
17025         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
17026         proper error message for the third argument on blendpd and
17027         blendps.
17029         * config/i386/sse.md (blendbits): New.
17030         (sse4_1_blendp<ssemodesuffixf2c>): Use it.
17032 2008-03-30  Eric Botcazou  <ebotcazou@adacore.com>
17034         * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
17036 2008-03-30  Richard Guenther  <rguenther@suse.de>
17038         PR middle-end/31023
17039         * fold-const.c (fold_sign_changed_comparison): Do leave
17040         conversions to base-types alone.
17042 2008-03-29  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17044         * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
17045         the link register if one altivec register is be saved.
17047 2008-03-30  Ben Elliston  <bje@au.ibm.com>
17049         * final.c (final_scan_insn): Remove if (0) code.
17051 2008-03-28  Volker Reichelt  <v.reichelt@netcologne.de>
17053         * c-parser.c (c_parser_next_token_is_keyword): Simplify.
17055 2008-03-28  H.J. Lu  <hongjiu.lu@intel.com>
17057         * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
17058         of V4SFmode to ix86_binary_operator_ok.
17060 2008-03-28  Uros Bizjak  <ubizjak@gmail.com>
17062         * config/i386/i386.c (override_options): Initialize
17063         ix86_veclib_handler to ix86_veclibabi_svml when
17064         -mveclibabi=svml is used.
17065         (ix86_veclibabi_svml): New function for SVML ABI style
17066         vectorization support.
17067         * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
17069 2008-03-28  Rafael Espindola  <espindola@google.com>
17071         * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
17072         (tree_binary_nonnegative_warnv_p): Make it public.
17073         (tree_single_nonnegative_warnv_p): Make it public.
17074         (tree_invalid_nonnegative_warnv_p): Make it public.
17075         (tree_unary_nonzero_warnv_p): Make it public.
17076         (tree_binary_nonzero_warnv_p): Make it public
17077         (tree_single_nonzero_warnv_p): Make it public.
17078         * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
17079         (extract_range_from_binary_expr): Split the expr argument.
17080         (extract_range_from_unary_expr): Split the expr argument.
17081         (extract_range_from_comparison): Split the expr argument.
17082         (extract_range_from_expr): Use the new aux functions.
17083         (vrp_evaluate_conditional_warnv): Use
17084         vrp_evaluate_conditional_warnv_with_ops.
17085         * tree.h (tree_unary_nonzero_warnv_p): Declare.
17086         (tree_binary_nonzero_warnv_p): Declare.
17087         (tree_single_nonzero_warnv_p): Declare.
17088         (tree_expr_nonzero_warnv_p): Declare.
17089         (tree_unary_nonnegative_warnv_p): Declare.
17090         (tree_binary_nonnegative_warnv_p): Declare.
17091         (tree_single_nonnegative_warnv_p): Declare.
17092         (tree_invalid_nonnegative_warnv_p): Declare.
17094 2008-03-28  Richard Guenther  <rguenther@suse.de>
17096         PR tree-optimization/30317
17097         PR tree-optimization/30911
17098         PR tree-optimization/34793
17099         * tree-vrp.c (set_and_canonicalize_value_range): New function.
17100         (struct assert_locus_d): New member EXPR.
17101         (register_new_assert_for): Add EXPR parameter to support
17102         ASSERT_EXPR <name, expr OP limit>.
17103         (register_edge_assert_for_1): Adjust callers.
17104         (find_assert_locations): Likewise.
17105         (process_assert_insertions_for): Build condition from expression.
17106         (extract_range_from_assert): Handle ASSERT_EXPRs
17107         of the form ASSERT_EXPR <name, expr OP limit>.
17108         (register_edge_assert_for_2): New helper registering
17109         asserts for comparisons.  Recognize range tests of the form
17110         (unsigned)i - CST1 OP CST2.
17111         (register_edge_assert_for_1): Use it.
17112         (register_edge_assert_for): Likewise.
17113         (needs_overflow_infinity): Integer sub-types
17114         do not need overflow infinities.
17115         (vrp_val_is_max): The extreme values of integer sub-types
17116         are those of the base type.
17117         (vrp_val_is_min): Likewise.
17118         * tree.def (ASSERT_EXPR): Document extra allowed conditional
17119         expressions.
17121 2008-03-28  Nick Clifton  <nickc@redhat.com>
17123         PR target/31110
17124         * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
17125         Return GENERAL_REGS for stack adjustment reloads.
17127 2008-03-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17129         PR target/31334
17130         * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
17131         const_vector when all the vectors are constant.
17133 2008-03-27  Bob Wilson  <bob.wilson@acm.org>
17135         * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
17136         comparisons.
17137         * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
17138         (any_scc_sf): Add uneq, unlt, unle and unordered operators.
17139         (scc_sf): New.
17140         (s<code>_sf): Use new scc_sf attribute for opcode names.
17142 2008-03-27  Tom Tromey  <tromey@redhat.com>
17144         * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
17145         configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
17146         config/spu/t-spu-elf, config/i386/t-interix,
17147         config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
17148         config/i386/x-darwin, config/i386/x-mingw32,
17149         config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
17150         config/sh/t-sh, config/sh/t-symbian, config/x-linux,
17151         config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
17152         config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
17153         config/rs6000/x-rs6000, config/rs6000/x-darwin64,
17154         config/rs6000/x-darwin, config/rs6000/t-rs6000,
17155         config/score/t-score-elf, config/arm/t-strongarm-pe,
17156         config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
17157         config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
17158         Revert automatic dependency patch.
17160 2008-03-27  H.J. Lu  <hongjiu.lu@intel.com>
17162         PR target/35657
17163         * config/i386/i386.c (ix86_function_arg_boundary): Align
17164         decimal floating point to its natural boundary.
17166 2008-03-27  Richard Guenther  <rguenther@suse.de>
17168         PR middle-end/35716
17169         * fold-const.c (fold_comparison): Restrict distinct decl
17170         comparison folding to VAR_DECLs and PARM_DECLs.  Do not
17171         solely rely on operand_equal_p.
17173 2008-03-27  Richard Guenther  <rguenther@suse.de>
17175         PR c/32511
17176         * c-common.c (handle_weak_attribute): Reject combination of
17177         weak and inline.
17179 2008-03-27  Richard Guenther  <rguenther@suse.de>
17181         PR tree-optimization/32810
17182         * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
17183         conversions from DECL_INITIAL.
17184         (fold_const_aggregate_ref): Likewise from constructor elements.
17186 2008-03-27  Zdenek Dvorak  <ook@ucw.cz>
17188         * tree-affine.h (aff_combination_expand): Declare.
17189         (get_inner_reference_aff): Likewise.
17190         * tree-affine.c (aff_combination_expand): Split out from
17191         tree_to_aff_combination_expand.
17192         (get_inner_reference_aff): New function.
17193         * tree-parloops.c (loop_parallel_p): Free vectorizer info.
17194         * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
17195         (struct lim_aux_data): sm_done field removed.
17196         (mem_ref_loc_p, mem_ref_locs_p): New types.
17197         (struct mem_ref): Added id, stored, accesses_in_loop,
17198         indep_loop, dep_loop, indep_ref, dep_ref fields.
17199         Removed is_stored, locs and next fields.
17200         (memory_accesses): New variable.
17201         (movement_possibility): Do not allow moving statements
17202         that store to memory.
17203         (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
17204         New functions.
17205         (determine_max_movement): For statements with memory references,
17206         find the outermost loop in that the reference is independent.
17207         (move_computations_stmt): Mark the virtual operands for renaming.
17208         (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
17209         gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
17210         vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
17211         add_vop_ref_mapping, create_vop_ref_mapping_loop,
17212         create_vop_ref_mapping, analyze_memory_references,
17213         cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
17214         get_all_locs_in_loop, ref_always_accessed_p,
17215         refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
17216         ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
17217         store_motion_loop, store_motion): New functions.
17218         (struct vop_to_refs_elt): New type.
17219         (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
17220         memref_hash, memref_eq, hoist_memory_references): Rewritten.
17221         (schedule_sm): Replaced by...
17222         (execute_sm): ... this.
17223         (determine_lsm_ref, hoist_memory_references,
17224         loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
17225         find_more_ref_vops, free_mem_ref, free_mem_refs,
17226         determine_lsm_loop, determine_lsm): Removed.
17227         (tree_ssa_lim_finalize): Free data structures used by store motion.
17228         (tree_ssa_lim): Call analyze_memory_references.  Use
17229         store_motion instead of determine_lsm.
17231 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
17233         * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
17234         rename tmake_file to m68hc11/t-m68hc11.
17235         (mcore): Set inhibit_libc to true.
17236         * config.host (alpha*-dec-*vms*): Set extra_programs.
17237         (interix3*): Don't use host_xmake_file.
17238         * configure.ac: Let config.gcc override inhibit_libc.
17239         * configure: Regenerate.
17241         * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
17242         * config/t-openbsd-thread: Remove commented out lines.
17244         * config/x-interix: Remove.
17246         * config/m68hc11/t-m68hc11-gas: Rename to...
17247         * config/m68hc11/t-m68hc11: ... this.  Remove T_CPPFLAGS.
17249         * config/mcore/t-mcore: Remove T_CFLAGS.
17250         * config/mcore/t-mcore-pe: Likewise.
17252 2008-03-27  Paolo Bonzini  <bonzini@gnu.org>
17254         * configure.ac: Replace custom __GNU_SOURCE test with
17255         AC_USE_SYSTEM_EXTENSIONS.  Move it earlier.
17256         * aclocal.m4: Regenerate.
17257         * configure: Regenerate.
17258         * config.in: Regenerate.
17260 2008-03-27  Richard Guenther  <rguenther@suse.de>
17262         * fold-const.c (target.h): Include.
17263         (fold_comparison): Fold comparison of addresses of decls
17264         that bind locally or of constants.  Consolidate address folding code.
17265         * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
17266         results from fold_binary_to_constant.
17267         (compare_values_warnv): Likewise.
17269 2008-03-27  Andrew Pinski  <pinskia@gmail.com>
17271         PR middle-end/35429
17272         * fold-const.c (fold_truthop): Check for integeral types when folding
17273         a == 0 && b == 0 and a != 0 || b != 0 .
17275 2008-03-26  Eric Botcazou  <ebotcazou@adacore.com>
17277         * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
17279 2008-03-26  Andreas Schwab  <schwab@suse.de>
17281         * doc/invoke.texi: Fix use of @item vs. @itemx.
17283 2008-03-26  Tom Tromey  <tromey@redhat.com>
17285         * Makefile.in (build/gensupport.o, build/print-rtl.o,
17286         build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
17287         build/genattrtab.o, build/genautomata.o, build/gencheck.o,
17288         build/gencodes.o, build/genconditions.o, build/genconfig.o,
17289         build/genconstants.o, build/genemit.o, build/genextract.o,
17290         build/genflags.o, build/genmddeps.o, build/genopinit.o,
17291         build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
17292         options.h.
17294 2008-03-26  Richard Guenther  <rguenther@suse.de>
17296         Revert
17297         2008-03-26  Richard Guenther  <rguenther@suse.de>
17299         * fold-const.c (target.h): Include.
17300         (fold_comparison): Fold comparison of addresses of two decls
17301         that bind locally.  Consolidate address folding code.
17303 2008-03-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
17305         * builtins.c (expand_builtin_pow, fold_builtin_cabs,
17306         fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
17307         fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
17308         dconstsqrt2, dconstthird, dconste and/or dconst10.
17309         * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
17310         * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
17311         dconstsqrt2, dconste): Delete.
17312         (init_emit_once): Likewise.  Simplify initializing dconstm1.
17313         Constify variable.
17314         * real.c (get_real_const): New.
17315         * real.h (dconst3, dconst10, dconstm2, dconstthird,
17316         dconstsqrt2, dconste): Delete.
17317         (real_value_const, get_real_const): New.
17319 2008-03-26  H.J. Lu  <hongjiu.lu@intel.com>
17321         * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
17323         * config/i386/i386.c (ix86_function_arg_boundary): Check
17324         BIGGEST_ALIGNMENT instead of 128.
17325         (setup_incoming_varargs_64): Likewise.
17327 2008-03-26  Tom Tromey  <tromey@redhat.com>
17329         * Makefile.in (DEPFILES): Add missing '/'.
17331 2008-03-26  Richard Guenther  <rguenther@suse.de>
17333         * fold-const.c (target.h): Include.
17334         (fold_comparison): Fold comparison of addresses of two decls
17335         that bind locally.  Consolidate address folding code.
17337 2008-03-26  Nick Clifton  <nickc@redhat.com>
17339         PR target/31232
17340         * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
17341         not allow INT+INT as a legitimate addressing mode.
17343 2008-03-26  Richard Guenther  <rguenther@suse.de>
17345         * tree-flow.h (widen_bitfield): Remove declaration.
17346         * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
17347         (widen_bitfield): Remove function.
17348         * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
17349         code.
17351 2008-03-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17353         PR target/31558
17354         * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
17355         error_mark_node's.
17357 2008-03-25  Richard Sandiford  <rsandifo@nildram.co.uk>
17359         PR rtl-optimization/35232
17360         * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
17361         (forget_old_reloads_1, forget_marked_reloads): Don't clear
17362         reg_reloaded_call_part_clobbered here.
17363         (reload_regs_reach_end_p): New function.
17364         (reload_reg_rtx_for_input): New variable.
17365         (reload_reg_rtx_for_output): Likewise.
17366         (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
17367         when reassigning a pseudo register.  Load reloadreg from
17368         reload_reg_rtx_for_input, moving the mode and register
17369         calculation to...
17370         (do_input_reload): ...here.  Use the mode-adjusted reg_rtx
17371         instead of the original when deciding whether an input reload
17372         would be a no-op or whether an output reload can be deleted.
17373         (emit_output_reload_insns): Use the mode-adjusted reg_rtx
17374         when setting up new_spill_reg_store.  Load it from
17375         reload_reg_rtx_for_output, moving the mode and register
17376         calculation to...
17377         (do_output_reload): ...here.  Use the mode-adjusted reg_rtx
17378         instead of the original when deciding whether an output reload
17379         would be a no-op.  Do the same when modifying insn notes.
17380         Use rtx_equal_p instead of == to compare the registers.
17381         (inherit_piecemeal_p): Take a mode and two register numbers
17382         as argument.
17383         (emit_reload_insns): Clear new_spill_reg_store for every hard
17384         register in the reload register.  Remove spill registers
17385         from reg_reloaded_valid before considering whether to record
17386         inheritance information for them.  Use reload_reg_rtx_for_output
17387         instead of reg_rtx when recording output reloads.  Use
17388         reload_reg_rtx_for_input instead of reg_rtx when recording
17389         input reloads.  Set or clear reg_reloaded_call_part_clobbered
17390         at the same time as setting reg_reloaded_valid.
17391         (delete_output_reload): Add a new_reload_reg parameter and use it
17392         instead of rld[j].reg_rtx.
17393         (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
17394         calls accordingly.
17396 2008-03-25  Tom Tromey  <tromey@redhat.com>
17398         * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
17399         (build/genattr.o): Likewise.
17400         (build/genattrtab.o): Likewise.
17401         (build/gencodes.o): Likewise.
17402         (build/genconfig.o): Likewise.
17403         (build/genconstants.o): Likewise.
17404         (build/genemit.o): Likewise.
17405         (build/genextract.o): Likewise.
17406         (build/genflags.o): Likewise.
17408 2008-03-25  Bob Wilson  <bob.wilson@acm.org>
17410         * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
17411         instead of size_int for integer types.
17412         (xtensa_gimplify_va_arg_expr): Likewise.  Convert index to sizetype
17413         to match type of MINUS_EXPR.
17415 2008-03-25  Tom Tromey  <tromey@redhat.com>
17417         * configure: Rebuilt.
17418         * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
17419         Makefile.
17421 2008-03-25  Tom Tromey  <tromey@redhat.com>
17423         * config/x-solaris (host-solaris.o): Update.
17424         * config/x-linux (host-linux.o): Update.
17425         * config/x-hpux (host-hpux.o): Update.
17426         * config/x-darwin (host-darwin.o): Update.
17427         * config/v850/t-v850e (v850-c.o): Update.
17428         * config/v850/t-v850 (v850-c.o): Update.
17429         * config/t-vxworks (vxworks.o): Update.
17430         * config/t-sol2 (sol2-c.o, sol2.o): Update.
17431         * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
17432         * config/spu/t-spu-elf (spu-c.o): Update.
17433         (spu.o): Remove.
17434         * config/sh/t-symbian (sh-c.o): Update.
17435         (symbian.o): Update.
17436         * config/sh/t-sh (sh-c.o): Update.
17437         * config/score/t-score-elf (score7.o, score3.o): Update.
17438         * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
17439         * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
17440         * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
17441         * config/rs6000/t-rs6000 (rs6000-c.o): Update.
17442         (rs6000.o): Remove.
17443         * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
17444         * config/m32c/t-m32c (m32c-pragma.o): Update.
17445         * config/ia64/t-ia64 (ia64-c.o): Update.
17446         * config/i386/x-mingw32 (host-mingw32.o): Update.
17447         * config/i386/x-i386 (driver-i386.o): Update.
17448         * config/i386/x-darwin (host-i386-darwin.o): Update.
17449         * config/i386/x-cygwin (host-cygwin.o): Update.
17450         * config/i386/t-nwld (nwld.o): Update.
17451         * config/i386/t-netware (netware.o): Update.
17452         * config/i386/t-interix (winnt.o): Update.
17453         * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
17454         * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
17455         msformat-c.o): Update.
17456         * config/bfin/t-bfin-linux (generated_files): Add
17457         linux-sysroot-suffix.h.
17458         * config/arm/t-wince-pe (pe.o): Update.
17459         * config/arm/t-strongarm-pe (pe.o): Update.
17460         * config/arm/t-pe (pe.o): Update.
17461         * config/arm/t-arm (arm-c.o): Update.
17462         * doc/install.texi (Prerequisites): Require make 3.80.
17463         * Makefile.in: Remove .o targets.
17464         (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
17465         (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
17466         (simple_generated_h, simple_generated_c): Move earlier.
17467         (generated_files): New variable.
17468         (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
17469         TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
17470         BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
17471         ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
17472         REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
17473         CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
17474         CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
17475         INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
17476         PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
17477         TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
17478         DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
17479         VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
17480         (.c.o): Remove.
17481         (COMPILE.base, COMPILE): New variables.
17482         (%.o): New pattern rule.
17483         (ALL_HOST_OBJS): New variable.
17484         (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
17485         (dummy-checksum.o, cc1-checksum.o): Remove.
17486         (DRIVER_SHLIB): New variable.
17487         (DRIVER_DEFINES): Use it.
17488         (gencondmd.c): Move out of build/.
17489         (s-conditions): Update.
17490         (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
17491         (ALL_BUILD_OBJS): Likewise.
17492         (build/%.o): Use BUILDCOMPILE.
17493         (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
17494         build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
17495         build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
17496         build/gencheck.o, build/gencodes.o, build/genconditions.o,
17497         build/genconfig.o, build/genconstants.o, build/genemit.o,
17498         build/genextract.o, build/genflags.o, build/genmddeps.o,
17499         build/genopinit.o, build/genoutput.o, build/genpeep.o,
17500         build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
17501         build/gen-protos.o, build/scan.o, build/fix-header.o,
17502         build/scan-decls.o): Simplify.
17503         (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
17504         cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
17505         prefix.o, toplev.o): Reduce to variable setting.
17506         (libbackend.o): Use COMPILE.  Remove most dependencies.  Move later.
17507         ($(out_object_file), gcc-options.o): New targets.
17508         ($(ALL_HOST_OBJS)): New target.  Include dependency files.
17509         * configure: Rebuilt.
17510         * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
17511         * doc/sourcebuild.texi (Front End Directory): Document new variable.
17513 2008-03-25  Douglas Gregor  <doug.gregor@gmail.com>
17515         * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
17516         complain when we hit an error, return ERROR_MARK_NODE.
17518 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17520         * config/sh/constraints.md (Pso, Psz): New constraints.
17521         * config/sh/sh.c (print_operand): Add %V and %W operand codes.
17522         * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
17524 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17526         * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
17527         * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
17529 2008-03-25  Naveen.H.S  <naveen.hs@kpitcummins.com>
17531         * config/sh/sh.md (prefetch): Add condition for SH2A target.
17532         (prefetch_sh2a): New.
17534 2008-03-25  Jayant Sonar  <Jayant.sonar@kpitcummins.com>
17535             Naveen.H.S  <naveen.hs@kpitcummins.com>
17537         * config/sh/constraints.md (I28): New constraint.
17538         * config/sh/sh.c (broken_move): Add support for movi20s.
17539         * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
17541 2008-03-25  Anil Paranjape  <anil.paranjape@kpitcummins.com>
17542             Jayant Sonar  <Jayant.sonar@kpitcummins.com>
17543             Naveen.H.S  <naveen.hs@kpitcummins.com>
17545         * config/sh/sh.c (SH_ATTRIBUTES): Define.
17546         (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
17547         (print_operand): Handle resbank in %@ operand code.
17548         (sh_encode_section_info): New.
17549         (push_regs): Add conditions for resbank.
17550         (sh_expand_epilogue): Likewise.
17551         (sh_insert_attributes): Likewise.
17552         (sh_attribute_table): Likewise.
17553         (sh_handle_resbank_handler_attribute): New.
17554         (sh2a_handle_function_vector_handler_attribute): New.
17555         (sh2a_is_function_vector_call): New.
17556         (sh2a_get_function_vector_number): New.
17557         (sh2a_function_vector_p): New.
17558         (sh_cfun_resbank_handler_p): New.
17559         * config/sh/sh.md (calli): Emit jsr/n if possible.
17560         (calli_tbr_rel): New.
17561         (calli_pcrel): Emit jsr/n if possible.
17562         (return_i): Emit rts/n if possible.
17563         (call_valuei_tbr_rel): New.
17564         (call_valuei_pcrel): Add condition for SH2A target.
17565         (call_value): Likewise.
17566         * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
17567         (sh2a_get_function_vector_number): Likewise.
17568         (sh2a_is_function_vector_call): Likewise.
17569         * doc/extend.texi: Document TBR relative addressing of SH2A.
17570         (resbank): Add description for SH2A.
17572 2008-03-24  Richard Guenther  <rguenther@suse.de>
17574         PR c/22371
17575         * gimplify.c (gimplify_modify_expr): For frontend type-correct
17576         pointer assignments change conversions according to middle-end rules.
17577         (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
17578         * configure.ac: Include type checking in yes.
17579         * configure: Regenerate.
17581 2008-03-24  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
17583         * diagnostic.c (diagnostic_count_diagnostic): Delete.
17584         (diagnostic_report_diagnostic): Update. Handle ICEs here.
17586 2008-03-24  Nathan Sidwell  <nathan@codesourcery.com>
17588         * gthr-vxworks.h (UNUSED): Define.
17590 2008-03-23  H.J. Lu  <hongjiu.lu@intel.com>
17592         * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
17594 2008-03-23  Zuxy Meng <zuxy.meng@gmail.com>
17596         * doc/extend.texi (Function Attributes): Add missing comma in the
17597         example of the "alloc_size" attribute.
17599 2008-03-23  Uros Bizjak  <ubizjak@gmail.com>
17601         Revert:
17602         2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
17604         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
17605         32bit host.
17607         2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
17609         PR target/35496
17610         * stor-layout.c (update_alignment_for_field): Set minimum alignment
17611         of the underlying type of a MS bitfield layout to the natural
17612         alignment of the type.
17614         2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
17616         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
17617         to their natural alignment to avoid store forwarding stalls.
17619 2008-03-22  Richard Guenther  <rguenther@suse.de>
17621         * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
17622         For PHI nodes verify the address is invariant.
17623         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
17624         (get_symbol_constant_value): Use is_gimple_min_invariant.
17625         (maybe_fold_stmt_indirect): Likewise.
17627 2008-03-22  Richard Sandiford  <rsandifo@nildram.co.uk>
17629         PR rtl-optimization/33927
17630         * Makefile.in (dse.o): Depend on $(TM_P_H).
17631         * expr.h (extract_low_bits): Declare.
17632         * expmed.c (extract_low_bits): New function.
17633         * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
17634         * dse.c: Include tm_p.h.
17635         (find_shift_sequence): Remove the read_reg argument and return the
17636         read value.  Emit the instructions instead of returning them.
17637         Iterate on new_mode rather than calculating it each time.
17638         Check MODES_TIEABLE_P.  Use simplify_gen_subreg to convert the
17639         source to NEW_MODE and extract_low_bits to convert the shifted
17640         value to READ_MODE.
17641         (replace_read): Allow the load and store to have different mode
17642         classes.  Use extract_low_bits when SHIFT == 0.  Create the shift
17643         or extraction instructions before trying the replacement.  Update
17644         dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
17646 2008-03-22  Uros Bizjak  <ubizjak@gmail.com>
17648         * config/i386/i386.c (assign_386_stack_local): Align DImode slots
17649         to their natural alignment to avoid store forwarding stalls.
17651 2008-03-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
17653         PR target/27946
17654         * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
17655         encouraging but not allowing gprs for input;
17656         change the input constraint to !f#r.
17657         (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
17658         gprs for output;
17659         change the output constraint to !f#r.
17661 2008-03-21  Uros Bizjak  <ubizjak@gmail.com>
17663         PR target/13958
17664         * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
17665         corresponding post-reload splitters.
17666         ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
17667         when x87 FP math is selected.
17668         * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
17669         New function prototype.
17670         * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
17671         unreachable function to ease macroization of insn patterns.
17673 2008-03-21  Martin Jambor  <mjambor@suse.cz>
17675         * tree-data-ref.c (dump_data_dependence_relation): Avoid data
17676         reference dumps if ddr is NULL or dependence is unknown.
17678 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
17680         * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
17681         unsigned extension into account.
17682         (ATOMIC_COMPARE_AND_SWAP): Likewise.
17683         (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
17684         Do computations on a scratch register.
17686 2008-03-21  Richard Guenther  <rguenther@suse.de>
17688         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
17689         Use is_gimple_min_invariant instead of TREE_INVARIANT.
17690         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
17691         * tree-ssa-dom.c (record_equality): Likewise.
17692         * tree-inline.c (copy_body_r): Likewise.
17693         * tree-ssa-pre.c (make_values_for_stmt): Remove test for
17694         TREE_INVARIANT.
17696 2008-03-20  Kaz Kojima  <kkojima@gcc.gnu.org>
17698         * config/sh/sh.c (split_branches): Pass zero to redirect_jump
17699         as 'delete_unused' argument.
17701 2008-03-20  Richard Guenther  <rguenther@suse.de>
17703         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
17704         special casing of constant qualifiers.
17705         * tree-ssa.c (useless_type_conversion_p_1): Instead do not
17706         care about them in general.
17707         * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
17708         regardless of their type.
17709         (fold_stmt_r): Forcefully fold *& if we end up with that.
17711 2008-03-20  Paul Brook  <paul@codesourcery.com>
17713         * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
17714         * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
17715         linker flags.
17716         * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
17717         definition.
17718         (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
17719         * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
17721 2008-03-20  Volker Reichelt  <v.reichelt@netcologne.de>
17723         * common.opt (Wmudflap): New option.
17724         * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
17725         (mx_register_decls): Likewise.
17726         (mudflap_finish_file): Likewise.
17727         * doc/invoke.texi: Document -Wno-mudflap.
17729 2008-03-20  Kai Tietz  <kai.tietz@onevision.com>
17731         * c-format.c (replace_format_name_to_system_name): New.
17732         (cmp_attribs): New.
17733         (convert_format_name_to_system_name): New.
17734         (decode_format_attr): Add use of convert_format_name_to_system_name.
17735         (format_types_orig): Add gnu_ prefix to names.
17736         (check_format_info_main): Special treating of \0 escaped names for
17737         supporting multi-character format specifiers as I32, I64.
17738         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
17739         (gnu_target_overrides_format_attributes): New.
17740         * c-format.h: Add structure target_ovr_attr to hold
17741         system specific formatter names.
17742         * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
17743         msformat-c.o file to c_target_objs and cxx_target_objs.
17744         * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
17745         (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
17746         (TARGET_N_FORMAT_TYPES): New.
17747         * config/i386/msformat-c.c: New.
17748         * config/i386/t-cygming: Add build rule for msformat-c.o.
17749         * doc/extend.texi: Add new format names gnu_* and ms_* and
17750         further details.
17751         * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
17753 2008-03-20  Ira Rosen  <irar@il.ibm.com>
17755         * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
17756         optimizations turned on under -O3.
17757         (ftree-vectorize): Add that the flag is turned on with -O3.
17759 2008-03-20  Ben Elliston  <bje@au.ibm.com>
17761         * regmove.c (try_auto_increment): Fix spelling error in comment.
17762         * final.c (final_scan_insn): Likewise.
17764 2008-03-20  Uros Bizjak  <ubizjak@gmail.com>
17766         PR target/14552
17767         * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
17768         allocator preferences for "y" and "r" class registers.
17769         ("*mov<mode>_internal"): Ditto.
17770         ("*movv2sf_internal_rex64"): Ditto.
17771         ("*movv2sf_internal"): Ditto.
17773 2008-03-19  Michael Matz  <matz@suse.de>
17775         PR middle-end/35616
17776         * calls.c (expand_call): Check overlap of arguments with call
17777         address for sibcalls.
17779 2008-03-19  Uros Bizjak  <ubizjak@gmail.com>
17781         PR target/35496
17782         * stor-layout.c (update_alignment_for_field): Set minimum alignment
17783         of the underlying type of a MS bitfield layout to the natural
17784         alignment of the type.
17786 2008-03-19  Jan Hubicka  <jh@suse.cz>
17788         PR other/35094
17789         * toplev.c (decode_d_option): Handle all CPP flags.
17790         * tree-vrp.c: Update tree_pass descriptors.
17791         * regrename.c: Update tree_pass descriptors.
17792         * fwprop.c: Update tree_pass descriptors.
17793         * doc/invoke.texi: Remove documentation of dropped -d? flags.
17794         * tree-into-ssa.c: Update tree_pass descriptors.
17795         * tree-dump.c: Update tree_pass descriptors.
17796         * tree-complex.c: Update tree_pass descriptors.
17797         * tree-dump.h: Update tree_pass descriptors.
17798         * see.c: Update tree_pass descriptors.
17799         * cgraphbuild.c: Update tree_pass descriptors.
17800         * tracer.c: Update tree_pass descriptors.
17801         * tree-loop-distribution.c: Update tree_pass descriptors.
17802         * cgraph.c: Update tree_pass descriptors.
17803         * postreload-gcse.c: Update tree_pass descriptors.
17804         * postreload.c: Update tree_pass descriptors.
17805         * tree-ssa-loop-ch.c: Update tree_pass descriptors.
17806         * tree-tailcall.c: Update tree_pass descriptors.
17807         * tree-pass.h (tree_opt_pass): Rename to ...
17808         (opt_pass) ... this one; add "type" field and remove letter field.
17809         (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
17810         (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
17811         all_lowering_passes): Update declaration.
17812         * ipa-cp.c: Update tree_pass descriptors.
17813         * final.c: Update tree_pass descriptors.
17814         * omp-low.c: Update tree_pass descriptors.
17815         * tree-ssa-dse.c: Update tree_pass descriptors.
17816         * ipa-reference.c: Update tree_pass descriptors.
17817         * tree-ssa-uncprop.c: Update tree_pass descriptors.
17818         * auto-inc-dec.c: Update tree_pass descriptors.
17819         * reorg.c: Update tree_pass descriptors.
17820         * cgraphunit.c: Update tree_pass descriptors.
17821         * tree-ssa-copyrename.c: Update tree_pass descriptors.
17822         * tree-ssa-ccp.c: Update tree_pass descriptors.
17823         * df-core.c: Update tree_pass descriptors.
17824         * mode-switching.c: Update tree_pass descriptors.
17825         * tree-nomudflap.c: Update tree_pass descriptors.
17826         * modulo-sched.c: Update tree_pass descriptors.
17827         * ipa-pure-const.c: Update tree_pass descriptors.
17828         * cse.c: Update tree_pass descriptors.
17829         * web.c: Update tree_pass descriptors.
17830         * tree-stdarg.c: Update tree_pass descriptors.
17831         * tree-ssa-math-opts.c: Update tree_pass descriptors.
17832         * tree-ssa-dom.c: Update tree_pass descriptors.
17833         * tree-nrv.c: Update tree_pass descriptors.
17834         * tree-ssa-alias.c: Update tree_pass descriptors.
17835         * loop-init.c: Update tree_pass descriptors.
17836         * gimple-low.c: Update tree_pass descriptors.
17837         * ipa-inline.c: Update tree_pass descriptors.
17838         * tree-ssa-sink.c: Update tree_pass descriptors.
17839         * global.c: Update tree_pass descriptors.
17840         * ifcvt.c: Update tree_pass descriptors.
17841         * jump.c: Update tree_pass descriptors.
17842         * predict.c: Update tree_pass descriptors.
17843         * tree-ssa-loop.c: Update tree_pass descriptors.
17844         * recog.c: Update tree_pass descriptors.
17845         * dse.c: Update tree_pass descriptors.
17846         * tree-ssa-ifcombine.c: Update tree_pass descriptors.
17847         * tree-eh.c: Update tree_pass descriptors.
17848         * regmove.c: Update tree_pass descriptors.
17849         * local-alloc.c
17850         * function.c: Update tree_pass descriptors.
17851         * tree-vectorizer.c: Update tree_pass descriptors.
17852         * gcse.c: Update tree_pass descriptors.
17853         * ipa-type-escape.c: Update tree_pass descriptors.
17854         * tree-if-conv.c: Update tree_pass descriptors.
17855         * init-regs.c: Update tree_pass descriptors.
17856         * ipa.c: Update tree_pass descriptors.
17857         * tree-ssa-phiopt.c: Update tree_pass descriptors.
17858         * rtl-factoring.c: Update tree_pass descriptors.
17859         * lower-subreg.c: Update tree_pass descriptors.
17860         * bt-load.c: Update tree_pass descriptors.
17861         * tree-dfa.c: Update tree_pass descriptors.
17862         * except.c: Update tree_pass descriptors.
17863         * emit-rtl.c: Update tree_pass descriptors.
17864         * cfgexpand.c: Update tree_pass descriptors.
17865         * tree-cfgcleanup.c: Update tree_pass descriptors.
17866         * cfgcleanup.c: Update tree_pass descriptors.
17867         * tree-ssa-pre.c: Update tree_pass descriptors.
17868         * tree-sra.c: Update tree_pass descriptors.
17869         * tree-mudflap.c: Update tree_pass descriptors.
17870         * tree-ssa-copy.c: Update tree_pass descriptors.
17871         * cfglayout.c: Update tree_pass descriptors.
17872         * tree-ssa-forwprop.c: Update tree_pass descriptors.
17873         * tree-ssa-dce.c: Update tree_pass descriptors.
17874         * tree-ssa.c: Update tree_pass descriptors.
17875         * regclass.c: Update tree_pass descriptors.
17876         * integrate.c: Update tree_pass descriptors.
17877         * tree-optimize.c: Update tree_pass descriptors.
17878         * tree-ssa-phiprop.c: Update tree_pass descriptors.
17879         * tree-object-size.c: Update tree_pass descriptors.
17880         * combine.c: Update tree_pass descriptors.
17881         * tree-outof-ssa.c: Update tree_pass descriptors.
17882         * bb-reorder.c: Update tree_pass descriptors.
17883         * stack-ptr-mod.c: Update tree_pass descriptors.
17884         * var-tracking.c: Update tree_pass descriptors.
17885         * tree-profile.c: Update tree_pass descriptors.
17886         * tree-vect-generic.c: Update tree_pass descriptors.
17887         * reg-stack.c: Update tree_pass descriptors.
17888         * sched-rgn.c: Update tree_pass descriptors.
17889         * tree-ssa-structalias.c: Update tree_pass descriptors.
17890         * tree-cfg.c: Update tree_pass descriptors.
17891         * passes.c (current_pass): Update declaration.
17892         (finish_optimization_passes): Update.
17893         (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
17894         (register_one_dump_file, register_dump_files_1, next_pass_1):
17895         Update arguments.
17896         (init_optimization_passes): Update handling of new types.
17897         (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
17898         * ipa-struct-reorg.c: Update tree_pass descriptors.
17899         * tree-ssa-reassoc.c: Update tree_pass descriptors.
17900         * combine-stack-adj.c: Update tree_pass descriptors.
17901         * cfgrtl.c: Update tree_pass descriptors.
17902         * dce.c: Update tree_pass descriptors.
17903         * tree-ssanames.c: Update tree_pass descriptors.
17905 2008-03-19  Richard Guenther  <rguenther@suse.de>
17907         PR middle-end/35609
17908         * tree-ssa.c (walk_data): New structure.
17909         (warn_uninitialized_var): If not always_executed warn with "maybe"
17910         instead of "is".
17911         (execute_early_warn_uninitialized): Compute post-dominators.
17912         Initialize always_executed before processing each basic block.
17914 2008-03-18  Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>
17916         PR target/35504
17917         * config/i386/i386.c (x86_this_parameter): Calculate correct location
17918         of "this" pointer when "regparm = N" or "fastcall" is in effect.
17920 2008-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
17922         * doc/include/texinfo.tex: Update to version 2008-03-17.10.
17924 2008-03-18  Paolo Bonzini  <bonzini@gnu.org>
17926         * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
17927         is true.
17928         (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
17929         (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
17930         is true.  Add "&& !ignore" condition to reduce_bit_field.  Modify
17931         target after ignore has been set, and move there also the commputation
17932         of subtarget and original_target.
17933         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
17934         (LANG_HOOKS_INITIALIZER): Remove it.
17935         * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
17937 2008-03-18  Richard Guenther  <rguenther@suse.de>
17939         * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
17940         found an expression with constants, note that in the VN for the lhs.
17941         * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
17942         fold them to constants if possible.  Run cleanup_cfg if done so.
17943         (execute_pre): Return todo.
17944         (do_pre): Likewise.
17945         (execute_fre): Likewise.
17946         * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
17947         of constants.
17948         (get_prop_source_stmt): Look through pointer conversions.
17950 2008-03-18  Jan Hubicka  <jh@suse.cz>
17952         * tree-pretty-print.c: Include predict.h.
17953         (dump_generic_node): Dump predictor.
17954         * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
17955         * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
17956         * gimple-low.c (lower_stmt): Likewise.
17957         * expr.c (expand_expr_real): Likewise.
17958         * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
17959         them.
17960         (build_predict_expr, build_predict_expr): New.
17961         * predict.h (predictor_name, build_predict_expr): Update.
17962         * c-typeck.c (c_finish_bc_stmt): Add prediction.
17963         * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
17964         * predict.def (PRED_CONTINUE): Update hitrate.
17965         * tree.def (PREDICT_EXPR): Define.
17966         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
17967         do not handle BIND_EXPR.
17968         * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
17969         * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
17970         * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
17971         operands.
17973 2008-03-18  Michael Matz  <matz@suse.de>
17975         * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
17977 2008-03-18  Richard Guenther  <rguenther@suse.de>
17979         * tree-gimple.h (is_gimple_invariant_address): Declare.
17980         (is_gimple_constant): Likewise.
17981         * tree-gimple.c (is_gimple_constant): New function.
17982         (is_gimple_invariant_address): Likewise.
17983         (is_gimple_min_invariant): Implement in terms of is_gimple_constant
17984         and is_gimple_invariant_address.
17985         * tree-ssa-loop-niter.c (expand_simple_operations): Revert
17986         previous change.
17987         * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
17988         an addressable base.
17990 2008-03-18  Jakub Jelinek  <jakub@redhat.com>
17992         PR middle-end/35611
17993         * gimplify.c (gimplify_expr): Gimplify second operand of
17994         OMP_ATOMIC_LOAD.
17996 2008-03-17  Richard Guenther  <rguenther@suse.de>
17998         PR tree-optimization/19637
17999         * fold-const.c (fold_unary): Remove restrictions of removing
18000         intermediate pointer-conversions (P2)(P1)P0.
18001         * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
18002         conversion to void pointer.
18003         (get_maxval_strlen): Handle addresses of the form &(*p)[0].
18005 2008-03-16  James E. Wilson  <wilson@tuliptree.org>
18007         PR debug/31510
18008         * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
18009         emulated thread local variables.
18011 2008-03-16  Richard Guenther  <rguenther@suse.de>
18013         PR middle-end/35607
18014         * tree-ssa-loop-niter.c (expand_simple_operations): Do not
18015         expand TREE_INVARIANT operations that are not gimple invariant.
18017 2008-03-16  Hans-Peter Nilsson  <hp@axis.com>
18019         * doc/extend.texi (Alignment): Say that the ABI controls
18020         the __alignof__ for non-strict-alignment targets rather
18021         than being a recommendation.
18023 2008-03-15  Paul Brook  <paul@codesourcery.com>
18025         * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
18026         annotations.
18027         (arm_output_fn_unwind): Mark functions that can not be unwound.
18029 2008-03-15  Paul Brook  <paul@codesourcery.com>
18031         * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
18032         extension instructions.
18034 2008-03-15  Richard Guenther  <rguenther@suse.de>
18036         * tree-ssa-ccp.c (ccp_fold): Also read from constant values
18037         and fold constant aggregate refs.
18038         (fold_const_aggregate_ref): Handle string constants
18039         and constructors in ARRAY_REFs.  Handle INDIRECT_REF.
18040         (evaluate_stmt): Simplify now that ccp_fold folds constant
18041         aggregate refs.
18043 2008-03-15  Paul Brook  <paul@codesourcery.com>
18045         * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
18046         (extzv): Use gen_extzv_t2.
18047         (insv_t2, insv_zero, extv, extzv_t2): New patterns.
18049 2008-03-15  Richard Guenther  <rguenther@suse.de>
18051         * tree-ssa-ccp.c (get_symbol_constant_value): Export.
18052         (fold_const_aggregate_ref): Likewise.
18053         (get_value): Return NULL if we don't have any values.
18054         (ccp_finalize): Set const_val to NULL after freeing it.
18055         * tree-flow.h (get_symbol_constant_value): Declare.
18056         (fold_const_aggregate_ref): Likewise.
18057         * tree-ssa-sccvn.c (try_to_simplify): Use them.
18059 2008-03-15  Richard Guenther  <rguenther@suse.de>
18061         PR middle-end/35593
18062         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
18063         to not produce negative array indices if not allowed.  Add
18064         parameter to indicate that.
18065         (maybe_fold_offset_to_component_ref): Allow negative array
18066         indices only for the first member of a structure.
18067         (maybe_fold_offset_to_reference): Allow negative array indices.
18068         (maybe_fold_stmt_addition): Likewise.
18070 2008-03-15  Bjoern Haase  <bjoern.m.haase@web.de>
18071             Anatoly Sokolov <aesok@post.ru>
18073         * config/avr/avr.c (avr_arch_types): Add avr6 entry.
18074         (avr_arch): Add ARCH_AVR6.
18075         (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
18076         (initial_elimination_offset): Initialize and use 'avr_pc_size'
18077         instead of fixed value 2.
18078         (print_operand_address): Use gs() asm specifier instead of pm().
18079         (avr_assemble_integer): (Ditto.).
18080         (avr_output_addr_vec_elt): (Ditto.).
18081         (print_operand): Handle "!" code.
18082         * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
18083         __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
18084         (AVR_HAVE_EIJMP_EICALL): Define.
18085         (AVR_3_BYTE_PC): Redefine.
18086         (AVR_2_BYTE_PC): (Ditto.).
18087         (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
18088         (LINK_SPEC): Add atmega2560 and atmega2561.
18089         (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
18090         (crtm2561.o).
18091         * config/avr/avr.md (call_insn): Use eicall instead of icall
18092         for 3 byte PC devices.
18093         (call_value_insn): (Ditto.).
18094         (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
18095         (indirect_jump): Use only for for 2 byte PC devices.
18096         (*tablejump): (Ditto.).
18097         (*indirect_jump_avr6): Add insn.
18098         (*tablejump_rjmp): Don't use for 3 byte PC devices.
18099         * config/avr/libgcc.S (__prologue_saves__): Use eijmp
18100         instead of ijmp for 3 byte PC devices.
18101         (__tablejump2__): (Ditto.).
18102         * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
18103         (MULITLIB_DIRNAMES): (Ditto.).
18104         (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
18106 2008-03-15  Uros Bizjak  <ubizjak@gmail.com>
18108         * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
18109         "sse2_umulsidi3".  Use V1DI mode for operand 0.
18110         ("mmx_psadbw"): Use V1DI mode for operand 0.
18111         * config/i386/i386-modes.def (V1SI): New vector mode.
18112         * config/i386/i386.c (struct builtin_description)
18113         [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
18114         (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
18115         (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
18116         (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
18117         v1di_ftype_v8qi_v8qi type.
18118         [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
18120         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
18121         __builtin_ia32_pmuludq]: Fix the mode of return value.
18123 2008-03-15  Richard Guenther  <rguenther@suse.de>
18125         PR middle-end/35595
18126         * tree-ssa-pre.c (bitmap_find_leader): Handle expression
18127         being a PHI_NODE.
18129 2008-03-14  Bob Wilson  <bob.wilson@acm.org>
18131         * doc/invoke.texi (Option Summary, Xtensa Options): Document
18132         -mserialize-volatile and -mno-serialize-volatile Xtensa options.
18133         * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
18134         unless TARGET_SERIALIZE_VOLATILE is enabled.
18135         * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
18136         * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
18137         * config/xtensa/xtensa.opt (mserialize_volatile): New option.
18139 2008-03-14  Richard Guenther  <rguenther@suse.de>
18141         PR tree-optimization/34172
18142         * tree-flow.h (refs_may_alias_p): Declare.
18143         (get_single_def_stmt): Likewise.
18144         (get_single_def_stmt_from_phi): Likewise.
18145         (get_single_def_stmt_with_phi): Likewise.
18146         * tree-dfa.c (refs_may_alias_p): New function.
18147         (get_single_def_stmt): Likewise.
18148         (get_single_def_stmt_from_phi): Likewise.
18149         (get_single_def_stmt_with_phi): Likewise.
18150         * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
18151         (vn_reference_lookup_1): New helper function.
18152         (vn_reference_lookup): Walk the virtual use-def chain to
18153         continue searching for a match if the def does not alias the
18154         reference we are looking for.
18156 2008-03-14  David Edelsohn  <edelsohn@gnu.org>
18158         * doc/install.texi (Binaries): Remove UCLA archive.  Add HVCC
18159         archive and Perzl.  Update The Written Word listing.
18161 2008-03-14  Richard Guenther  <rguenther@suse.de>
18163         PR tree-optimization/34043
18164         PR tree-optimization/33989
18165         * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
18166         when doing FRE.
18167         (bitmap_find_leader): Use extra argument to verify dominance
18168         relationship inside a basic-block.
18169         (can_PRE_operation): Add VIEW_CONVERT_EXPR.
18170         (find_leader_in_sets): Adjust.
18171         (create_component_ref_by_pieces): Take extra argument for
18172         dominance check, handle lookup failures.
18173         (find_or_generate_expression): Likewise.
18174         (create_expression_by_pieces): Likewise.
18175         (insert_into_preds_of_block): Adjust.
18176         (create_value_expr_from): If asked for, verify all operands
18177         are in the blocks AVAIL_OUT set.
18178         (make_values_for_stmt): Check for SSA_NAMEs that are life
18179         over an abnormal edge.
18180         (compute_avail): Remove such check.
18181         (do_SCCVN_insertion): New function.
18182         (eliminate): If we do not find a leader suitable for replacement
18183         insert a replacement expression from SCCVN if available.
18184         * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
18185         (struct vn_ssa_aux): Add needs_insertion flag.
18186         * tree-ssa-sccvn.c (may_insert): New global flag.
18187         (copy_reference_ops_from_ref): Value-number union member access
18188         based on its size, not type and member if insertion is allowed.
18189         (visit_reference_op_load): For a weak match from union type
18190         punning lookup a view-converted value and insert a SSA_NAME
18191         for that value if that is not found.
18192         (visit_use): Make dumps shorter.  Do not disallow value numbering
18193         SSA_NAMEs that are life over an abnormal edge to constants.
18194         (free_scc_vn): Release inserted SSA_NAMEs.
18195         (run_scc_vn): New flag to specify whether insertion is allowed.
18196         Process SSA_NAMEs in forward order.
18197         * tree-ssa-loop-im.c (for_each_index): Handle invariant
18198         ADDR_EXPRs inside VIEW_CONVERT_EXPR.
18199         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
18200         pointer type to/from integral types that do not change the
18201         precision to regular conversions.
18203 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
18205         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
18206         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
18207         __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
18208         __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
18209         input arguments and the mode of return value.  Built-in functions
18210         that operate on whole 64-bit MMX register now use V1DI mode.
18212 2008-03-13  Alon Dayan  <alond@il.ibm.com>
18213             Olga Golovanevsky  <olga@il.ibm.com>
18215         PR tree-optimization/35041
18216         * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
18217         to locate the right position in a statement.
18219 2008-03-13  Uros Bizjak  <ubizjak@gmail.com>
18221         PR target/34000
18222         PR target/35553
18223         * config/i386/xmmintrin.h:  Change all static inline functions to
18224         extern inline and add __gnu_inline__ attribute.
18225         * config/i386/bmintrin.h: Ditto.
18226         * config/i386/smmintrin.h: Ditto.
18227         * config/i386/tmmintrin.h: Ditto.
18228         * config/i386/mmintrin-common.h: Ditto.
18229         * config/i386/ammintrin.h: Ditto.
18230         * config/i386/emmintrin.h: Ditto.
18231         * config/i386/pmmintrin.h: Ditto.
18232         * config/i386/mmintrin.h: Ditto.
18233         * config/i386/mm3dnow.h: Ditto.
18235 2008-03-13  Jakub Jelinek  <jakub@redhat.com>
18237         PR middle-end/35185
18238         * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
18239         (lower_omp_2): New function.
18240         (lower_omp_1, lower_omp): Rewritten.
18242 2008-03-13  Danny Smith  <dannysmith@users.sourceforge.net>
18244         PR 35054
18245         * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
18246         with the phrase "Microsoft Windows compilers".
18247         (Push/Pop Macro Pragmas): New subsection. Document
18248         #pragma push_macro and pragma pop_macro.
18250 2008-03-12  Paul Brook  <paul@codesourcery.com>
18252         * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
18254 2008-03-12  Paul Brook  <paul@codesourcery.com>
18256         * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
18257         (thumb2_alusi3_short): Exclude PLUS and MINUS.
18258         (thumb2_addsi_shortim): Rename ...
18259         (thumb2_addsi_short): ... to this.  Allow register operands.
18260         (thumb2_subsi_short): New pattern.
18261         (thumb2_one_cmplsi2_short,
18262         thumb2_negsi2_short): New patterns and peepholes.
18264 2008-03-12  Paul Brook  <paul@codesourcery.com>
18266         * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
18268 2008-03-12  Uros Bizjak  <ubizjak@gmail.com>
18270         * config/i386/i386.md (int_cond): New code iterator.
18271         (fp_cond): Ditto.
18272         ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
18273         sge, sgeu, sle and sleu expanders usign int_cond code iterator.
18274         ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
18275         sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
18276         ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
18277         bge, bgeu, ble and bleu expanders usign int_cond code iterator.
18278         ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
18279         bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
18281 2008-03-12  Paul Brook  <paul@codesourcery.com>
18283         * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
18284         instead of {arm,thumb}_compute_save_reg_mask.
18285         (output_return_instruction): Ditto.
18286         (thumb_unexpanded_epilogue): Ditto.
18287         (thumb1_expand_prologue): Ditto.
18288         (thumb1_output_function_prologue): Ditto.
18289         (arm_set_return_address): Ditto.
18290         (thumb_set_return_address): Ditto.
18291         (arm_get_frame_offsets): Set offsets->saved_regs_mask.  Push extra
18292         regs to achieve stack alignment.
18293         (thumb1_compute_save_reg_mask): Fix compiler warning.
18294         (arm_output_epilogue): Use offsets->saved_regs_mask.
18295         Adjust stack pointer by poping call clobered registers.
18296         (arm_expand_prologue): Use offsets->saved_regs_mask.
18297         Adjust stack pointer by pushing extra registers.
18298         * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
18300 2008-03-12  Paolo Bonzini  <bonzini@gnu.org>
18302         PR tree-opt/35422
18303         * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
18304         conversion to the operands of a multiplication.
18306 2008-03-12  Richard Guenther  <rguenther@suse.de>
18308         * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
18309         (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
18310         * timevar.def (TV_TREE_PHIPROP): Add.
18311         * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
18312         pass description.  Use TV_TREE_PHIPROP.
18313         * tree-ssa-forwprop.c: Remove phiprop code.
18315 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
18317         PR middle-end/35549
18318         * omp-low.c (maybe_lookup_decl): Constify first argument.
18319         (use_pointer_for_field): Change last argument from bool to
18320         omp_context *.  Disallow shared copy-in/out in nested
18321         parallel if decl is shared in outer parallel too.
18322         (build_outer_var_ref, scan_sharing_clauses,
18323         lower_rec_input_clauses, lower_copyprivate_clauses,
18324         lower_send_clauses, lower_send_shared_vars): Adjust callers.
18326 2008-03-12  Victor Kaplansky  <victork@il.ibm.com>
18327             Ira Rosen  <irar@il.ibm.com>
18329         * tree-vectorizer.c (free_stmt_vec_info): New function.
18330         (destroy_loop_vec_info): Move code to free_stmt_vec_info().
18331         Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
18332         * tree-vectorizer.h (free_stmt_vec_info): Declare.
18333         * tree-vect-transform.c (vectorizable_conversion): Free
18334         vec_oprnds0 if it was allocated.
18335         (vect_permute_store_chain): Remove unused VECs.
18336         (vectorizable_store): Free VECs that are allocated in the..
18337         function.
18338         (vect_transform_strided_load, vectorizable_load): Likewise.
18339         (vect_remove_stores): Simplify the code.
18340         (vect_transform_loop): Move code to vect_remove_stores().
18341         Call vect_remove_stores() and free_stmt_vec_info().
18343 2008-03-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18345         * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
18346         TARGET_HPUX.  Revise comment.
18347         (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
18348         * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
18349         Use sr4 variant of `be' instruction when not generating PIC code.
18350         (attr_length_call): Adjust for above change.
18352 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18354         * ipa-reference.c (static_execute): Remove module_statics_const and
18355         associated setting code.
18357 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
18359         PR target/35540
18360         * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
18361         predicate for operand 1.
18362         (paritysi2_cmp): Use register_operand predicate for operand 2.
18363         Use earlyclobber modifier for operand 1.  Remove support for
18364         memory operands.
18365         (paritydi2_cmp): Use register_operand predicate for operand 3.
18366         Use earlyclobber modifier for operand 1.  Remove support for
18367         memory operands.
18369 2008-03-11  Paul Brook  <paul@codesourcery.com>
18370             Vladimir Prus  <vladimir@codesourcery.com>
18372         * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
18373         (arm_compute_save_reg0_reg12_mask): Always
18374         check if register 11 must be saved.  Always safe hard frame pointer
18375         when frame_pointer_needeed.
18376         (arm_compute_save_reg_mask): Save IP and PC
18377         only with apcs frames.
18378         (arm_output_epilogue): Adjust Thumb2 codepath to
18379         be also invoked and work for ARM non-apcs frames.
18380         (arm_expand_prologue): Don't bother saving IP
18381         for non-apcs frame, since it's not clobbered by
18382         prologue code.  Implement non-apcs frame
18383         layout.
18385 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
18387         PR rtl-optimization/35281
18388         * expr.c (convert_move): Use a new pseudo for the intermediate
18389         from_mode->word_mode result.
18391 2008-03-11  Paolo Bonzini  <bonzini@gnu.org>
18393         * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
18394         * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
18395         * toplev.c (compile_file): Don't call it.
18397 2008-03-11  Uros Bizjak  <ubizjak@gmail.com>
18399         PR middle-end/35526
18400         * expr.c (store_expr): Call emit_block_move if the mode
18401         of "temp" RTX is BLKmode.
18403 2008-03-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18404             Richard Guenther  <rguenther@suse.de>
18406         PR tree-optimization/31358
18407         * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
18408         the step with a NULL_TREE.
18409         * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
18410         to sizetype if type is a pointer type.
18411         (add_candidate_1): Don't convert the base and step to
18412         the generic type if the orginal type is a pointer type.
18413         (add_iv_value_candidates): Use sizetype for the step
18414         if type is a pointer type.
18415         (cand_value_at): Likewise.
18416         * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
18417         for pointer types.
18418         * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
18419         Don't convert the tem affine to the type.
18420         (add_elt_to_tree): Use sizetype for the step if a pointer.
18421         Use POINTER_PLUS_EXPR for pointers.
18422         (aff_combination_to_tree): Use sizetype for the step if a
18423         pointer.
18425 2008-03-10  Vladimir Makarov  <vmakarov@redhat.com>
18427         * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
18428         Remove commutativity hint.
18430 2008-03-10  Jakub Jelinek  <jakub@redhat.com>
18432         PR c/35438
18433         PR c/35439
18434         * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
18435         errorneous type.  Check that v is a VAR_DECL.
18437         PR middle-end/35099
18438         * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
18440 2008-03-10  H.J. Lu  <hongjiu.lu@intel.com>
18442         PR tree-optimization/35494
18443         * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
18444         may be overriden at link and run time.
18446 2008-03-10  Richard Guenther  <rguenther@suse.de>
18448         PR tree-optimization/34677
18449         * tree-ssa-pre.c (modify_expr_node_pool): Remove.
18450         (poolify_tree): Likewise.
18451         (modify_expr_template): Likewise.
18452         (poolify_modify_stmt): Likewise.
18453         (insert_fake_stores): Handle all component-ref style stores
18454         in addition to INDIRECT_REF.  Also handle complex types.
18455         Do not poolify the inserted load.
18456         (realify_fake_stores): Do not rebuild the tree but only
18457         make it a SSA_NAME copy.
18458         (init_pre): Remove initialzation of modify_expr_template.
18459         Do not allocate modify_expr_node_pool.
18460         (fini_pre): Do not free modify_expr_node_pool.
18462 2008-03-10  Paul Brook  <paul@codesourcery.com>
18464         * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
18465         to avoid conflicts.
18467 2008-03-10  Paul Brook  <paul@codesourcery.com>
18468             Mark Shinwell  <shinwell@codesourcery.com>
18470         * config/arm/cortex-r4.md: New.
18471         * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
18472         insn attributes.
18473         * config/arm/arm.md: Include cortex-r4.md.
18474         (insn): Add smmls, sdiv and udiv values.
18475         (generic_sched): Don't use generic scheduling for Cortex-R4.
18476         (arm_issue_rate): New function.
18477         (TARGET_SCHED_ISSUE_RATE): Define.
18479 2008-03-10  Sebastian Pop  <sebastian.pop@amd.com>
18481         * doc/invoke.texi (-ftree-loop-distribution): Add an example.
18483 2008-03-10  Richard Guenther  <rguenther@suse.de>
18485         * tree-ssa-pre.c (get_sccvn_value): Simplify.
18486         (compute_avail): Do not add stmt uses to AVAIL_OUT.
18488 2008-03-10  Paolo Bonzini  <bonzini@gnu.org>
18490         * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
18491         Set default to true.
18493 2008-03-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
18495         * c.opt (Wsynth): Deprecate.
18496         * doc/invoke.texi (Option Summary, Warning Options): Document
18497         -Wno-format-contains-nul.
18499 2008-03-09  Uros Bizjak  <ubizjak@gmail.com>
18501         PR target/35496
18502         * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
18503         ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
18505 2008-03-09  Ira Rosen  <irar@il.ibm.com>
18507         * config/rs6000/rs6000.c (builtin_description): Rename vector
18508         left shift operations.
18509         * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
18510         (altivec_vsl<VI_char>): Rename to ...
18511         (ashl<mode>3): ... new name.
18512         (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
18513         gen_ashlv4si3.
18514         (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
18516 2008-03-08  Richard Guenther  <rguenther@suse.de>
18518         * coverage.h (tree_coverage_counter_addr): Declare.
18519         * coverage.c (tree_coverage_counter_addr): New function.
18520         * tree-profile.c (tree_gen_edge_profiler): Unshare counter
18521         before using again.
18522         (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
18523         (tree_gen_one_value_profiler): Likewise.
18524         (tree_gen_ic_profiler): Likewise.
18525         (tree_gen_average_profiler): Likewise.
18526         (tree_gen_ior_profiler): Likewise.
18528 2008-03-08  Richard Guenther  <rguenther@suse.de>
18530         * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
18531         (vn_binary_op_insert): Likewise.
18532         (vn_unary_op_lookup): Likewise.
18533         (vn_unary_op_insert): Likewise.
18534         (vn_nary_op_lookup): Declare.
18535         (vn_nary_op_insert): Likewise.
18536         * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
18537         and binary hashes, use a single obstack for unary_op_pool
18538         and binary_op_pool.
18539         (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
18540         a single struct vn_nary_op_s.  Store tree code length and
18541         a variable number of operands.
18542         (struct vn_reference_op_struct): Remove unused op2.
18543         (vn_reference_op_eq): Do not compare op2.
18544         (vn_reference_op_compute_hash): Do not compute hash of op2.
18545         (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
18546         (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
18547         with vn_nary_op_compute_hash.
18548         (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
18549         (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
18550         vn_nary_op_lookup.
18551         (vn_unary_op_insert, vn_binary_op_insert): Replace with
18552         vn_nary_op_insert.
18553         (visit_unary_op): Call nary functions.
18554         (visit_binary_op): Likewise.
18555         (process_scc): Adjust for struct vn_tables_s changes.
18556         (allocate_vn_table): Likewise.
18557         (free_vn_table): Likewise.
18558         * tree-vn.c (vn_add): Call nary functions.
18559         (vn_lookup): Likewise.
18561 2008-03-08  Jakub Jelinek  <jakub@redhat.com>
18563         PR target/35498
18564         * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
18565         wdst back after sync_compare_and_swapqhi_internal.
18567 2008-03-08  Uros Bizjak  <ubizjak@gmail.com>
18569         PR target/22152
18570         * config/i386/i386-modes.def (V1DI): New vector mode.
18571         * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
18572         * config/i386/mmx.md (MMXMODEI8): New mode iterator.
18573         (MMXMODE248): Ditto.
18574         (MMXMODE): Add V1DI mode.
18575         (mmxvecsize): Change DI mode to V1DI mode.
18576         ("mov<mode>): Use MMXMODEI8 mode iterator.
18577         ("*mov<mode>_internal_rex64"): Ditto.
18578         ("*mov<mode>_internal"): Ditto.
18579         ("mmx_add<mode>3"): Ditto.  Handle V1DImode for TARGET_SSE2.
18580         ("mmx_sub<mode>3"): Ditto.
18581         ("mmx_adddi3"): Remove insn pattern.
18582         ("mmx_subdi3"): Ditto.
18583         ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
18584         ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
18585         ("mmx_ashl<mode>3"): Ditto.
18586         ("mmx_lshrdi3"): Remove insn pattern.
18587         ("mmx_ashldi3"): Ditto.
18588         * config/i386/i386.c (classify_argument): Handle V1DImode.
18589         (function_arg_advance_32): Ditto.
18590         (function_arg_32): Ditto.
18591         (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
18592         mmx_addv1di3 insn pattern.
18593         [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
18594         [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
18595         IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
18596         IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
18597         Remove definitions of built-in functions.
18598         (V1DI_type_node): New node.
18599         (v1di_ftype_v1di_int): Ditto.
18600         (v1di_ftype_v1di_v1di): Ditto.
18601         (v2si_ftype_v2si_si): Ditto.
18602         (v4hi_ftype_v4hi_di): Remove node.
18603         (v2si_ftype_v2si_di): Ditto.
18604         (ix86_init_mmx_sse_builtins): Handle V1DImode.
18605         (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
18606         Redefine builtins using def_builtin_const with *_ftype_*_int node.
18607         (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
18608         Add new builtins using def_builtin_const.
18609         (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
18610         IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
18611         IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
18612         * config/i386/mmintrin.h (__v1di): New typedef.
18613         (_mm_add_si64): Cast arguments to __v1di type.
18614         (_mm_sub_si64): Ditto.
18615         (_mm_sll_pi16): Cast __count to __v4hi type.
18616         (_mm_sll_pi32): Cast __count to __v2si type.
18617         (_mm_sll_si64): Cast arguments to __v1di type.
18618         (_mm_srl_pi16): Cast __count to __v4hi type.
18619         (_mm_srl_pi32): Cast __count to __v2si type.
18620         (_mm_srl_si64): Cast arguments to __v1di type.
18621         (_mm_sra_pi16): Cast __count to __v4hi type.
18622         (_mm_sra_pi32): Cast __count to __v2si type.
18623         (_mm_slli_pi16): Use __builtin_ia32_psllwi.
18624         (_mm_slli_pi32): Use __builtin_ia32_pslldi.
18625         (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
18626         (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
18627         (_mm_srli_pi32): Use __builtin_ia32_psrldi.
18628         (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
18629         (_mm_srai_pi16): Use __builtin_ia32_psrawi.
18630         (_mm_srai_pi32): Use __builtin_ia32_psradi.
18631         * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
18632         * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
18633         __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
18634         __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
18636 2008-03-07  Joseph Myers  <joseph@codesourcery.com>
18638         * doc/include/texinfo.tex: Update to version 2008-03-07.10.
18640 2008-03-07  Peter Bergner  <bergner@vnet.ibm.com>
18642         PR target/35373
18643         * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
18644         reg+const addressing for Altivec modes.  Don't generate reg+reg
18645         addressing for TFmode or TDmode quantities.
18647 2008-03-07  Paolo Bonzini  <bonzini@gnu.org>
18649         * c-common.c (vector_types_convertible_p): Call langhook
18650         instead of comptypes.
18652 2008-03-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
18654         PR tree-opt/35402
18655         * tree-ssa-ccp.c (get_symbol_constant_value): Handle
18656         integral and scalar float variables which have a
18657         NULL DECL_INITIAL.
18659 2008-03-06  Nathan Froyd  <froydnj@codesourcery.com>
18661         * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
18662         dwarf_register_span hook when emitting unwind information for
18663         register-to-memory saves.
18664         * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
18665         (rs6000_frame_related): Remove call to spe_synthesize_frame.
18667 2008-03-06  Jakub Jelinek  <jakub@redhat.com>
18669         * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
18670         for the same VAR_DECL.
18672 2008-03-06  Tom Tromey  <tromey@redhat.com>
18674         * treelang: Delete.
18675         * doc/standards.texi (Standards): Don't mention treelang.
18676         * doc/invoke.texi (Overall Options): Don't mention treelang.
18677         * doc/install.texi (Prerequisites): Don't mention bison or
18678         treelang.
18679         (Configuration): Don't mention treelang.
18680         (Building): Likewise.
18681         * doc/frontends.texi (G++ and GCC): Don't mention treelang.
18683 2008-03-06  Paolo Bonzini  <bonzini@gnu.org>
18685         * simplify-rtx.c (simplify_subreg): Remove useless shifts from
18686         word-extractions out of a multi-word object.
18688 2008-03-06  Richard Guenther  <rguenther@suse.de>
18690         * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
18691         * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
18692         result type and precision.
18693         * expr.c (get_inner_reference): Set unsignedp based on the result
18694         type of BIT_FIELD_REF.
18695         * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
18696         * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
18697         (try_instantiate_multiple_fields): Likewise.  Use the correct type
18698         for BIT_FIELD_REF.
18699         (sra_build_assignment): Likewise.
18700         (sra_build_elt_assignment): Likewise.
18701         (sra_explode_bitfield_assignment): Likewise.
18702         * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
18703         * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
18704         set BIT_FIELD_REF_UNSIGNED.
18705         (vectorizable_load): Likewise.
18707 2008-03-06  Andreas Krebbel  <krebbel1@de.ibm.com>
18709         * cse.c (cse_extended_basic_block): Invalidate artificial defs
18710         at bb start.
18712 2008-03-06  Richard Guenther  <rguenther@suse.de>
18714         * alias.c (struct alias_set_entry): Move has_zero_child field
18715         to pack with alias_set.
18717 2008-03-05  H.J. Lu  <hongjiu.lu@intel.com>
18719         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
18720         32bit host.
18722 2008-03-05  Ian Lance Taylor  <iant@google.com>
18724         * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
18726 2008-03-05  Kenneth Zadeck  <zadeck@naturalbridge.com>
18728         * fwprop.c (update_df): Support width and offset parameters of
18729         df_ref_create.
18730         * ra-conflict.c (mark_reg_store, clear_reg_in_live,
18731         global_conflicts): Change DF_REF_EXTRACT to either
18732         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18733         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18734         * df-scan.c (df_ref_record, df_defs_record,
18735         df_ref_create_structure, df_def_record_1, df_uses_record,
18736         df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
18737         df_bb_refs_collect, df_entry_block_defs_collect,
18738         df_exit_block_uses_collect): Support new width and offset fields.
18739         (ref_extract_pool): New storage pool.
18740         (df_free_ref): New function.
18741         (df_reg_chain_unlink, df_free_collection_rec,
18742         df_sort_and_compress_refs): Call df_free_ref.
18743         (df_ref_equal_p, df_ref_compare): Compare offset and width fields
18744         of df_ref_extract.
18745         (df_ref_create_structure): Allocate df_ref_extract if offset and
18746         width fields are used.
18747         (df_def_record_1): Get offset and width from ZERO_EXTRACT.
18748         (df_uses_record): Get offset and width from ZERO_EXTRACT
18749         and SIGN_EXTRACT.
18750         * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
18751         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18752         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18753         * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
18754         DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT.  Change
18755         DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
18756         (df_ref_extract): New structure.
18757         (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
18758         (df_ref_create): Add width and offset parameters.
18760 2008-03-05  Richard Guenther  <rguenther@suse.de>
18762         * tree-ssa-structalias.c (get_constraint_for_component_ref):
18763         Use ranges_overlap_p.
18764         (offset_overlaps_with_access): Rename
18765         to ranges_overlap_p and move ...
18766         * tree-flow-inline.h (ranges_overlap_p): ... here.
18768         * tree.h (get_inner_reference, handled_component_p): Update
18769         comments.
18771         * tree.h (record_component_aliases, get_alias_set,
18772         alias_sets_conflict_p, alias_sets_must_conflict_p,
18773         objects_must_conflict_p): Move declarations ...
18774         * alias.h (record_component_aliases, get_alias_set,
18775         alias_sets_conflict_p, alias_sets_must_conflict_p,
18776         objects_must_conflict_p): ... here.
18777         Include coretypes.h.
18778         * Makefile.in (ALIAS_H): Add coretypes.h dependency.
18780 2008-03-05  Aldy Hernandez  <aldyh@redhat.com>
18782         * cfg.c: Include tree-flow.h.
18783         (remove_edge_raw): Call redirect_edge_var_map_clear.
18784         (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
18785         * tree-flow-inline.h (redirect_edge_var_map_def): New.
18786         (redirect_edge_var_map_result): New.
18787         * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
18788         PENDING_STMT use with redirect_edge_var_map_*.
18789         * tree-ssa.c (edge_var_maps): New definition.
18790         (redirect_edge_var_map_add): New.
18791         (redirect_edge_var_map_clear): New.
18792         (redirect_edge_var_map_dup): New.
18793         (redirect_edge_var_map_vector): New.
18794         (redirect_edge_var_map_destroy): New.
18795         (ssa_redirect_edge): Replace PENDING_STMT use with
18796         redirect_edge_var_map_*.
18797         (flush_pending_stmts): Same.
18798         (delete_tree_ssa): Destroy edge var map.
18799         * tree-flow.h (struct _edge_var_map): New.
18800         Define edge_var_map vector type.
18801         Declare redirect_edge_var_map_* prototypes.
18802         * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
18803         * tree-cfg.c (reinstall_phi_args): Replace
18804         PENDING_STMT use with redirect_edge_var_map_*.
18806 2008-03-05  Richard Guenther  <rguenther@suse.de>
18808         PR tree-optimization/35472
18809         * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
18810         whose single use_stmt has a overlapping set of loaded and
18811         stored symbols as that use_stmt might be a noop assignment then.
18813 2008-03-05  Joel Sherrill <joel.sherrill@oarcorp.com>
18815         * gthr-rtems.h: Implement __gthread_mutex_destroy.
18817 2008-03-05  Richard Guenther  <rguenther@suse.de>
18819         PR c++/35336
18820         * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
18821         should be constants.
18822         * tree-cfg.c (verify_expr): Verify it.
18823         * fold-const.c (fold_truthop): Remove code generating
18824         BIT_FIELD_REFs of structure bases.
18825         (fold_binary): Likewise.
18826         (fold_ternary): Position and size of BIT_FIELD_REFs are
18827         always host integers.
18828         (make_bit_field_ref): Remove.
18829         (optimize_bit_field_compare): Remove.
18830         (all_ones_mask_p): Remove.
18832 2008-03-05  Gabor Loki  <loki@gcc.gnu.org>
18834         PR gcc/33009
18835         * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
18836         (split_block_and_df_analyze): New. Split basic block and rebuild
18837         dataflow.
18838         (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
18839         SPLIT_BLOCK.
18840         (split_pattern_seq): Likewise.
18841         (erase_matching_seqs): Likewise.
18842         (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
18844 2008-03-04  Geoff Keating  <geoffk@apple.com>
18846         * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
18847         declaration and code.
18848         (tree_invalid_nonnegative_warnv_p): Likewise.
18850 2008-03-05  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
18852         * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
18853         examples.  Truncate option-names then causing overfull hbox.
18855 2008-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18857         PR target/35222
18858         * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
18859         on hpux10.
18860         * configure: Rebuilt.
18862 2008-03-04  Rafael Espindola  <espindola@google.com>
18864         * fold-const.c (tree_simple_nonnegative_warnv_p): New.
18865         (tree_unary_nonnegative_warnv_p): New.
18866         (tree_binary_nonnegative_warnv_p): New.
18867         (tree_single_nonnegative_warnv_p): New.
18868         (tree_invalid_nonnegative_warnv_p): New.
18869         (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
18871 2008-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18873         PR 28322
18874         * opts.c (handle_option): Postpone 'unknown option' errors only for
18875         warning options.
18877 2008-03-04  H.J. Lu  <hongjiu.lu@intel.com>
18879         PR target/35453
18880         * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
18881         (_SIDD_XXX): This.
18883 2008-03-04  Rafael Espindola  <espindola@google.com>
18885         * fold-const.c (tree_unary_nonzero_warnv_p): New.
18886         (tree_binary_nonzero_warnv_p): New.
18887         (tree_single_nonzero_warnv_p): New.
18888         (tree_expr_nonzero_warnv_p): Redefine using the new functions.
18890 2008-03-04  Uros Bizjak  <ubizjak@gmail.com>
18892         PR middle-end/35456
18893         * fold-const.c (fold_cond_expr_with_comparison): Prevent
18894         transformations for modes that have signed zeros.
18895         * ifcvt.c (noce_try_abs): Ditto.
18897 2008-03-04  Joseph Myers  <joseph@codesourcery.com>
18899         * config/i386/i386.c (override_options): Force
18900         -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
18902 2008-03-04  Jan Hubicka  <jh@suse.cz>
18904         PR c++/35262
18905         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
18906         in last commit.
18908 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
18910         * config/i386/i386.md (allocate_stack_worker_32): Use  __chkstk
18911         label to probe the stack.
18913 2008-03-04  Danny Smith  <dannysmith@users.sourceforge.net>
18915         * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
18916         (__gthr_win32_mutex_destroy): Declare.
18917         [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
18918         __gthr_win32_mutex_destroy.
18919         * config/i386/gthr-win32.c  (__gthr_win32_mutex_destroy): Define.
18921 2008-03-03  Jan Hubicka  <jh@suse.cz>
18923         PR c++/35262
18924         * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
18925         aggressive on inlining cold calls.
18927 2008-03-03  Richard Guenther  <rguenther@suse.de>
18929         * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
18930         struct copies into the expression table.
18931         (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
18932         (try_to_simplify): Likewise.
18933         * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
18934         integral and pointer arguments which do not change the
18935         precision to NOP_EXPRs.
18936         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
18937         VIEW_CONVERT_EXPR case.
18939 2008-03-02  Sebastian Pop  <sebastian.pop@amd.com>
18941         * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
18942         defined in a loop at depth 0 is invariant.
18943         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
18944         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
18945         be called at loop depth 0.
18947 2008-03-02  Jakub Jelinek  <jakub@redhat.com>
18949         PR driver/35420
18950         * gcc.c (process_command): Update copyright notice dates.
18951         * gcov.c (print_version): Likewise.
18952         * gcov-dump.c (print_version): Likewise.
18953         * mips-tfile.c (main): Likewise.
18954         * mips-tdump.c (main): Likewise.
18956 2008-03-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18958         PR 24924
18959         * c-common.c (flag_permissive): Delete.
18960         (constant_expression_warnings): Check flags first.
18961         (constant_expression_error): New.
18962         * c-common.h (flag_permissive): Delete.
18963         (constant_expression_error): Declare.
18964         * flags.h (flag_permissive): Declare. Update description.
18965         * diagnostic.c (pedwarn): Update.
18966         (permerror): New.
18967         * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
18968         (permissive_error_kind): New.
18969         * toplev.c (flag_permissive): Define. Update description.
18970         * toplev.h (permissive_error_kind): Declare.
18971         * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
18972         (pedwarn_c90): Use pedantic_warning_kind.
18973         * c-opts.c (c_common_post_options): flag_permissive does not affect
18974         flag_pedantic_errors.
18976 2008-03-02  Joseph Myers  <joseph@codesourcery.com>
18978         * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
18979         __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
18980         __absvsi2, __absvDI2): Use unsigned arithmetic.
18982 2008-03-02  Andi Kleen  <ak@suse.de>
18983             Richard Guenther  <rguenther@suse.de>
18985         * struct-equiv.c: Remove file.
18986         * cfg_cleanup.c (condjump_equiv_p): Remove.
18987         * Makefile.in (OBJS-common): Remove struct-equiv.o.
18988         (struct-equiv.o): Remove rule.
18989         * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
18990         insns_match_p, struct_equiv_block_eq, struct_equiv_init,
18991         rtx_equiv_p, condjump_equiv_p): Remove prototypes.
18993 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
18995         * ifcvt.c (noce_process_if_block): Try to handle only the then
18996         block if the else block exists but isn't suitable.
18998 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
19000         PR gcc/35063
19001         * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
19002         * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
19003         regression from previous patch.
19005 2008-03-01  Janne Blomqvist  <jb@gcc.gnu.org>
19007         PR gcc/35063
19008         * gthr.h: Add __gthread_mutex_destroy as a function that must be
19009         implemented.
19010         * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
19011         * gthr-single.h (__gthread_mutex_destroy): Likewise.
19012         * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
19013         * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
19014         * gthr-nks.h (__gthread_mutex_destroy): Likewise.
19015         * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
19016         * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
19017         (__gthread_mutex_destroy_function): Rename to
19018         __gthread_mutex_destroy.
19019         * gthr-dce.h (__gthread_mutex_destroy): Call
19020         pthread_mutex_destroy.
19021         * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
19022         * gthr-posix.h (__gthread_mutex_destroy): Likewise.
19023         * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
19025 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
19027         * df-scan.c (df_ref_chain_change_bb): Simplify.
19028         (df_insn_change_bb): Add new_bb argument.  Simplify.  Call
19029         set_block_for_insn if there's any change.
19030         * df.h ((df_insn_change_bb): Fix prototype.
19031         * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
19032         df_insn_change_bb, don't call set_block_for_insn.
19033         * emit-rtl.c (reorder_insns): Likewise.
19034         * haifa-sched.c (move_insn): Likewise.
19036 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
19038         * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
19040 2008-03-01  Alexandre Oliva  <aoliva@redhat.com>
19042         * tree-flow-inline.h (next_readonly_imm_use): Return
19043         NULL_USE_OPERAND_P after the end.
19045 2008-03-01  Richard Guenther  <rguenther@suse.de>
19047         PR tree-optimization/35411
19048         * tree-sra.c (sra_build_assignment): Split conversion to
19049         final type to a separate statement if we are not assigning
19050         to a register.
19052 2008-02-29  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
19054         * fold-const.c (fold_convertible_p): Correct the logic to follow
19055         that in fold_convert().
19057 2008-02-29  Douglas Gregor  <doug.gregor@gmail.com>
19059         PR c++/35315
19060         * tree-inline.c (build_duplicate_type): When we make a
19061         duplicate type, make it unique in the canonical types system.
19063 2008-02-29  Tom Tromey  <tromey@redhat.com>
19065         * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
19066         input_file_stack_history, input_file_stack_restored): Remove.
19067         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
19068         * input.h (struct file_stack): Remove.
19069         (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
19070         (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
19071         Likewise.
19072         * diagnostic.h (struct diagnostic_context) <last_module>: Change
19073         type.
19074         (diagnostic_last_module_changed): Add 'map' argument.
19075         (diagnostic_set_last_function): Likewise.
19076         * diagnostic.c (undiagnostic_report_current_module): Iterate using
19077         line map, not input_file_stack.
19078         * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
19080 2008-02-29  Paul Brook  <paul@codesourcery.com>
19082         * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
19084 2008-02-29  Paul Brook  <paul@codesourcery.com>
19086         * config/arm/ieee754-df.S (muldf3): Use RET macros.
19088 2008-02-29  Richard Guenther  <rguenther@suse.de>
19090         * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
19091         vn_lookup_or_add.
19092         * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
19093         value for comparing for a store match.
19094         (simplify_unary_expression): Do nothing for SSA_NAMEs.
19095         (try_to_simplify): Do not do a full-blown reference lookup.
19097 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
19099         * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
19100         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19102         * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
19104 2008-02-29  Sebastian Pop  <sebastian.pop@amd.com>
19106         * tree-loop-linear.c (try_interchange_loops): Compare memory access
19107         strides against cache sizes.
19109 2008-02-29  Kaz Kojima  <kkojima@gcc.gnu.org>
19111         * config/sh/sh.c (sh_secondary_reload): Handle loading a float
19112         constant to fpul.
19114 2008-02-28  Richard Sandiford  <rsandifo@nildram.co.uk>
19116         * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
19117         of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
19118         is smaller than the original promoted value.
19119         (simplify_subreg): If OP is a SUBREG, try to preserve its
19120         SUBREG_PROMOTED_VAR_P information.
19122 2008-02-28  Steven Bosscher  <stevenb.gcc@gmail.com>
19124         * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
19125         (VN_INFO_GET): Allocate new objects on the obstack.
19126         (init_scc_vn): Initialize the obstack.  Use XDELETE instead of free
19127         for rpo_numbers_temp, for consistency.
19128         (free_scc_vn): Free the obstack.
19130 2008-02-28  Sebastian Pop  <sebastian.pop@amd.com>
19132         * doc/invoke.texi: Document -ftree-loop-distribution.
19133         * tree-loop-distribution.c: New.
19134         * tree-pass.h (pass_loop_distribution): New.
19135         * graphds.h (struct graph): Add htab_t indices.
19136         * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
19137         * tree-vectorizer.c (rename_variables_in_loop): Extern.
19138         (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
19139         * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
19140         * tree-data-ref.c (debug_data_dependence_relations): New.
19141         (dump_data_dependence_relation): Also print data references.
19142         (free_data_ref): Extern.
19143         (same_access_functions): Moved...
19144         (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
19145         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
19146         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
19147         struct rdg_vertex_info, rdg_vertex_for_stmt): New.
19148         (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
19149         (stmts_from_loop): Skip LABEL_EXPR.
19150         (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
19151         New.
19152         (build_rdg): Initialize rdg->indices htab.
19153         (free_rdg, stores_from_loop, ref_base_address,
19154         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
19155         have_similar_memory_accesses_1, ref_base_address_1,
19156         remove_similar_memory_refs): New.
19157         * tree-data-ref.h: Depend on tree-chrec.h.
19158         (debug_data_dependence_relations, free_data_ref): Declared.
19159         (same_access_functions): ... here.
19160         (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
19161         New.
19162         (struct rdg_vertex): Add has_mem_write and has_mem_reads.
19163         (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
19164         RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
19165         (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
19166         debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
19167         rdg_vertex_for_stmt): Declared.
19168         (struct rdg_edge): Add level.
19169         (RDGE_LEVEL): New.
19170         (free_rdg, stores_from_loop, remove_similar_memory_refs,
19171         rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
19172         Declared.
19173         (rdg_has_similar_memory_accesses): New.
19174         * tree-vect-analyze.c: Remove unused static decls.
19175         * lambda.h (dependence_level): New.
19176         * common.opt (ftree-loop-distribution): New.
19177         * tree-flow.h (mark_virtual_ops_in_bb,
19178         slpeel_tree_duplicate_loop_to_edge_cfg,
19179         rename_variables_in_loop): Declared.
19180         * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
19181         (OBJS-common): Add tree-loop-distribution.o.
19182         (tree-loop-distribution.o): New rule.
19183         * tree-cfg.c (mark_virtual_ops_in_bb): New.
19184         (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
19185         * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
19187 2008-02-28  Joseph Myers  <joseph@codesourcery.com>
19189         PR target/33963
19190         * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
19191         other than structures and unions.
19193 2008-02-28  Richard Guenther  <rguenther@suse.de>
19195         Revert:
19196         2008-02-26  Richard Guenther  <rguenther@suse.de>
19198         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19199         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19200         (lookup_decl_from_uid): Declare.
19201         (remove_decl_from_map): Likewise.
19202         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19203         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19204         (decl_for_uid_map): New global hashtable mapping DECL_UID
19205         to the decl tree.
19206         (init_ttree): Allocate it.
19207         (insert_decl_to_uid_decl_map): New helper function.
19208         (make_node_stat): Insert new decls into the map.
19209         (copy_node_stat): Likewise.
19210         (lookup_decl_from_uid): New function.
19211         (remove_decl_from_map): Likewise.
19212         (print_decl_for_uid_map_statistics): New helper.
19213         (dump_tree_statistics): Call it.
19215         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19216         (referenced_var_iterator): Adjust.
19217         (FOR_EACH_REFERENCED_VAR): Adjust.
19218         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19219         (num_referenced_vars): Adjust.
19220         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19221         (first_referenced_var): Remove.
19222         (end_referenced_vars_p): Likewise.
19223         (next_referenced_var): Likewise.
19224         (referenced_var_iterator_set): New helper function.
19225         * tree-dfa.c (referenced_var_lookup): Adjust.
19226         (referenced_var_check_and_insert): Likewise.
19227         (remove_referenced_var): Likewise.
19228         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19229         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19230         (verify_call_clobbering): Likewise.
19231         (verify_memory_partitions): Likewise.
19232         (init_tree_ssa): Allocate bitmap instead of hashtable for
19233         referenced_vars.
19234         (delete_tree_ssa): Adjust.
19235         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19236         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19237         (compute_tag_properties): Likewise.
19238         (set_initial_properties): Likewise.
19239         (find_partition_for): Likewise.
19240         (update_reference_counts): Likewise.
19241         (dump_may_aliases_for): Likewise.
19242         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19243         (add_call_clobber_ops): Likewise.
19244         (add_call_read_ops): Likewise.
19245         (get_asm_expr_operands): Likewise.
19246         * tree-into-ssa.c (dump_decl_set): Likewise.
19247         (update_ssa): Likewise.
19248         * tree-sra.c (scan_function): Likewise.
19249         (decide_instantiations): Likewise.
19250         (scalarize_parms): Likewise.
19251         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19252         (dsa_named_for): Likewise.
19253         * tree-ssa-structalias.c (update_alias_info): Likewise.
19254         (merge_smts_into): Likewise.
19256 2008-02-27  David Daney  <ddaney@avtrex.com>
19258         PR target/34409
19259         * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
19260         * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
19261         * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
19262         * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
19263         * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
19265 2008-02-27  Uros Bizjak  <ubizjak@gmail.com>
19267         PR target/25477
19268         * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
19269         (BUILT_IN_NEXTTOWARD): Remove.
19270         (BUILT_IN_NEXTTOWARDF): Ditto.
19271         * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
19272         alloca/strcpy/strcat.  Remove commented-out code.  Fix whitespace.
19274 2008-02-27  Tom Tromey  <tromey@redhat.com>
19276         * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
19277         DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
19279 2008-02-27  Jan Beulich  <jbeulich@novell.com>
19281         * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
19282         update the respective field on newdecl.
19284 2008-02-27  Revital Eres  <eres@il.ibm.com>
19286         PR rtl-optimization/34999
19287         * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
19288         crossing edges that ends with a call insn.
19289         (fix_up_fall_thru_edges): Handle crossing edges that ends with a
19290         call insn and clear the EDGE_CROSSING flag of the crossing edge
19291         when fixing fallthru edges.
19293 2008-02-27  Richard Guenther  <rguenther@suse.de>
19295         PR middle-end/35390
19296         * fold-const.c (fold_unary): Return the correct argument,
19297         converted to the result type.
19299 2008-02-27  Richard Guenther  <rguenther@suse.de>
19301         PR middle-end/34971
19302         * expr.c (expand_expr_real_1): Assert on rotates that operate
19303         on partial modes.
19304         * fold-const.c (fold_binary): Use the types precision, not the
19305         bitsize of the mode if folding rotate expressions.  Build rotates
19306         only for full modes.
19308 2008-02-27  Jakub Jelinek  <jakub@redhat.com>
19310         * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
19311         and CPP_PRAGMA_EOL.
19312         * c-pragma.c (pragma_ns_name): New typedef.
19313         (registered_pp_pragmas): New variable.
19314         (c_pp_lookup_pragma): New function.
19315         (c_register_pragma_1): If flag_preprocess_only, do nothing
19316         for non-expanded pragmas, for expanded ones push pragma's
19317         namespace and name into registered_pp_pragmas vector.
19318         (c_invoke_pragma_handler): Register OpenMP pragmas even when
19319         flag_preprocess_only, don't register GCC pch_preprocess
19320         pragma if flag_preprocess_only.
19321         * c-opts.c (c_common_init): Call init_pragma even if
19322         flag_preprocess_only.
19323         * c-pragma.c (c_pp_lookup_pragma): New prototype.
19324         * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
19325         cpp_register_pragma if flag_preprocess_only.
19327 2008-02-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19329         PR c/28800
19330         * c-parser.c (c_parser_translation_unit): Warn for empty
19331         translation unit, not empty source file.
19333 2008-02-26  Paul Brook  <paul@codesourcery.com>
19335         * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
19336         operand for Thumb-2.
19337         * config/arm/arm.h (reg_class): Add CORE_REGS.
19338         (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
19339         (BASE_REG_CLASS): Use CORE_REGS.
19340         (PREFERRED_RELOAD_CLASS): Add STACK_REG.
19341         (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
19342         (REGNO_OK_FOR_INDEX_P): Exclude SP.
19343         (ARM_REG_OK_FOR_INDEX_P): Always define.  Use
19344         ARM_REGNO_OK_FOR_INDEX_P.
19345         (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
19346         * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
19347         arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
19348         (ldm/stm peepholes): Ditto.
19349         * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
19350         * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
19351         * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
19352         * config/arm/constraints.md: Enable "k" constraint on ARM.
19354 2008-02-27  Ben Elliston  <bje@au.ibm.com>
19356         * config/rs6000/rs6000.c: Annotate cache line size field in all
19357         instances of struct processor_costs.
19359 2008-02-26  David Edelsohn  <edelsohn@gnu.org>
19361         * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
19362         dse2, gcse, if_conversion, if_after_combine, if_after_reload,
19363         jump_bypass): New counters.
19364         * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
19365         * dce.c (gate_ud_dce): Same.
19366         (gate_fast_dce): Same.
19367         * dse.c (gate_dse1): New function.
19368         (gate_dse2): New function.
19369         (gate_dse): Merge results of new gate functions.
19370         * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
19371         (gate_handle_jump_bypass): Add dbg_cnt.
19372         (gate_handle_gcse): Add dbg_cnt.
19373         * ifcvt.c (gate_handle_if_conversion): Same.
19374         (gate_handle_if_after_combine): Same.
19375         (gate_handle_if_after_reload): Same.
19376         * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
19378 2008-02-26  Edmar Wienskoski  <edmar@freescale.com>
19380         * config/rs6000/rs6000.c (processor_costs): Update e300 cache
19381         line sizes.
19382         * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
19384 2008-02-26  Jason Merrill  <jason@redhat.com>
19386         PR c++/35315
19387         * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
19388         alone if it's the naming decl for the type's main variant.
19390 2008-02-26  Tom Tromey  <tromey@redhat.com>
19392         * system.h (USE_MAPPED_LOCATION): Poison.
19393         * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
19394         * tree-cfg.c (make_cond_expr_edges): Remove old location code.
19395         (make_goto_expr_edges): Likewise.
19396         (remove_bb): Likewise.
19397         (execute_warn_function_return): Likewise.
19398         * basic-block.h (struct edge_def) <goto_locus>: Change type to
19399         location_t.
19400         * c-common.c (fname_decl): Remove old location code.
19401         * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
19402         location code.
19403         * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
19404         variant.
19405         (ASM_INPUT_SOURCE_LOCATION): Likewise.
19406         (gen_rtx_ASM_INPUT): Likewise.
19407         (gen_rtx_ASM_INPUT_loc): Likewise.
19408         (get_rtx_asm_OPERANDS): Remove.
19409         * cfglayout.c (insn_locators_alloc): Remove old location code.
19410         (set_curr_insn_source_location): Likewise.
19411         (curr_insn_locator): Likewise.
19412         * print-tree.c (print_node): Remove old location code.
19413         * tree-mudflap.c (mf_varname_tree): Remove old location code.
19414         (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
19415         * cfgexpand.c (expand_gimple_cond_expr): Don't use
19416         location_from_locus.
19417         (construct_exit_block): Remove old location code.
19418         * emit-rtl.c (force_next_line_note): Remove old location code.
19419         * profile.c (branch_prob): Remove old location code.
19420         * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
19421         LOC_LINE): Remove old-location variants.
19422         * langhooks.c (lhd_print_error_function): Remove old location
19423         code.
19424         * configure, config.in: Rebuilt.
19425         * configure.ac (--enable-mapped-location): Remove.
19426         * c-decl.c (c_init_decl_processing): Remove old location code.
19427         (finish_function): Likewise.
19428         * recog.c (decode_asm_operands): Remove old location code.
19429         * c-pch.c (c_common_read_pch): Remove old location code.
19430         * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
19431         variants.
19432         * gimple-low.c (lower_function_body): Remove old location code.
19433         * toplev.c (unknown_location): Remove.
19434         (push_srcloc): Remove old-location variant.
19435         (process_options): Remove old location code.
19436         (lang_dependent_init): Likewise.
19437         * input.h (UNKNOWN_LOCATION): Move definition.
19438         (location_t): Undeprecate.
19439         (source_locus): Remove.
19440         (location_from_locus): Remove.
19441         (struct location_s): Remove.
19442         Remove all old-location code.
19443         (input_line, input_filename): Remove.
19444         * final.c (final_scan_insn): Remove old location code.
19445         * diagnostic.c (diagnostic_build_prefix): Remove
19446         USE_MAPPED_LOCATION test.
19447         * tree.h (gimple_stmt) <locus>: Now a location_t.
19448         (tree_exp) <locus>: Likewise.
19449         (DECL_IS_BUILTIN): Remove old-location variant.
19450         (annotate_with_file_line, annotate_with_locus): Likewise.
19451         (expr_locus, set_expr_locus): Update.
19452         * tree.c (build1_stat): Remove old location code.
19453         (last_annotated_node): Remove.
19454         (annotate_with_file_line): Remove old-location variant.
19455         (annotate_with_locus): Likewise.
19456         (expr_location): Remove old location code.
19457         (set_expr_location): Likewise.
19458         (expr_has_location): Likewise.
19459         (expr_locus): Likewise.
19460         (set_expr_locus): Likewise.
19461         (expr_filename): Don't use location_from_locus.
19462         (expr_lineno): Likewise.
19463         * rtl-error.c (location_for_asm): Remove old location code.
19464         * c-lex.c (cb_line_change): Remove old location code.
19465         (fe_file_change): Likewise.
19466         (cb_def_pragma): Likewise.
19467         (c_lex_with_flags): Likewise.
19468         * gengtype.c (do_typedef): Don't special-case location types.
19469         (define_location_structures): Remove.
19470         (main): Don't call define_location_structures.
19471         * tree-pretty-print.c (dump_implicit_edges): Remove old location
19472         code.
19474 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19476         PR 26264
19477         * builtins.def (BUILT_IN_STDARG_START): Remove.
19478         * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
19479         * tree-stdarg.c (execute_optimize_stdarg): Likewise.
19480         * tree-inline.c (inline_forbidden_p_1): Likewise.
19482 2008-02-26  Richard Guenther  <rguenther@suse.de>
19484         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19485         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19486         (lookup_decl_from_uid): Declare.
19487         (remove_decl_from_map): Likewise.
19488         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19489         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19490         (decl_for_uid_map): New global hashtable mapping DECL_UID
19491         to the decl tree.
19492         (init_ttree): Allocate it.
19493         (insert_decl_to_uid_decl_map): New helper function.
19494         (make_node_stat): Insert new decls into the map.
19495         (copy_node_stat): Likewise.
19496         (lookup_decl_from_uid): New function.
19497         (remove_decl_from_map): Likewise.
19498         (print_decl_for_uid_map_statistics): New helper.
19499         (dump_tree_statistics): Call it.
19501         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19502         (referenced_var_iterator): Adjust.
19503         (FOR_EACH_REFERENCED_VAR): Adjust.
19504         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19505         (num_referenced_vars): Adjust.
19506         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19507         (first_referenced_var): Remove.
19508         (end_referenced_vars_p): Likewise.
19509         (next_referenced_var): Likewise.
19510         (referenced_var_iterator_set): New helper function.
19511         * tree-dfa.c (referenced_var_lookup): Adjust.
19512         (referenced_var_check_and_insert): Likewise.
19513         (remove_referenced_var): Likewise.
19514         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19515         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19516         (verify_call_clobbering): Likewise.
19517         (verify_memory_partitions): Likewise.
19518         (init_tree_ssa): Allocate bitmap instead of hashtable for
19519         referenced_vars.
19520         (delete_tree_ssa): Adjust.
19521         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19522         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19523         (compute_tag_properties): Likewise.
19524         (set_initial_properties): Likewise.
19525         (find_partition_for): Likewise.
19526         (update_reference_counts): Likewise.
19527         (dump_may_aliases_for): Likewise.
19528         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19529         (add_call_clobber_ops): Likewise.
19530         (add_call_read_ops): Likewise.
19531         (get_asm_expr_operands): Likewise.
19532         * tree-into-ssa.c (dump_decl_set): Likewise.
19533         (update_ssa): Likewise.
19534         * tree-sra.c (scan_function): Likewise.
19535         (decide_instantiations): Likewise.
19536         (scalarize_parms): Likewise.
19537         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19538         (dsa_named_for): Likewise.
19539         * tree-ssa-structalias.c (update_alias_info): Likewise.
19540         (merge_smts_into): Likewise.
19542 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19544         PR 34351
19545         * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
19546         * c-opts.c (c_common_handle_option): Wall enables
19547         Wvolatile-register-var.
19548         * common.opt: Move Wvolatile-register-var to...
19549         * c.opt: ...here.
19551 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19553         * common.opt (Wlarger-than=): New.
19554         * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
19555         -Wlarger-than=.
19556         * opts.c (common_handle_option): Handle -Wlarger-than=.
19557         * optc-gen.awk: Likewise.
19558         * opth-gen.awk: Likewise.
19559         * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
19560         * tree-optimize.c (tree_rest_of_compilation): Likewise.
19562 2008-02-26  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19564         * c-common.c (match_case_to_enum_1): Add appropriate
19565         OPT_W* parameter to warning.
19566         (c_do_switch_warnings): Likewise.
19567         * c-typeck.c (warning_init): Add one more parameter following
19568         'warning' function.
19569         (push_init_level): Update call to warning_init.
19570         (pop_init_level): Likewise.
19571         (add_pending_init): Likewise.
19572         (output_init_element: Likewise.
19574 2008-02-26  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
19576         PR 28322
19577         * toplev.c (toplev_main): If there are warnings or error, print
19578         errors for ignored options.
19579         * opts.c (ignored_options): New static variable.
19580         (postpone_unknown_option_error): New.
19581         (print_ignored_options): New.
19582         (handle_option): Postpone errors for unknown -Wno-* options.
19583         * opts.h (print_ignored_options): Declare.
19585 2008-02-25  Richard Sandiford  <rsandifo@nildram.co.uk>
19587         * config/mips/mips.md (loadgp_blockage, blockage): Change type
19588         to "ghost".
19590 2008-02-25  Richard Guenther  <rguenther@suse.de>
19592         Revert:
19593         2008-02-25  Richard Guenther  <rguenther@suse.de>
19595         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19596         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19597         (lookup_decl_from_uid): Declare.
19598         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19599         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19600         (decl_for_uid_map): New global hashtable mapping DECL_UID
19601         to the decl tree.
19602         (init_ttree): Allocate it.
19603         (insert_decl_to_uid_decl_map): New helper function.
19604         (make_node_stat): Insert new decls into the map.
19605         (copy_node_stat): Likewise.
19606         (lookup_decl_from_uid): New function.
19607         (print_decl_for_uid_map_statistics): New helper.
19608         (dump_tree_statistics): Call it.
19610         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19611         (referenced_var_iterator): Adjust.
19612         (FOR_EACH_REFERENCED_VAR): Adjust.
19613         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19614         (num_referenced_vars): Adjust.
19615         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19616         (first_referenced_var): Remove.
19617         (end_referenced_vars_p): Likewise.
19618         (next_referenced_var): Likewise.
19619         (referenced_var_iterator_set): New helper function.
19620         * tree-dfa.c (referenced_var_lookup): Adjust.
19621         (referenced_var_check_and_insert): Likewise.
19622         (remove_referenced_var): Likewise.
19623         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19624         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19625         (verify_call_clobbering): Likewise.
19626         (verify_memory_partitions): Likewise.
19627         (init_tree_ssa): Allocate bitmap instead of hashtable for
19628         referenced_vars.
19629         (delete_tree_ssa): Adjust.
19630         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19631         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19632         (compute_tag_properties): Likewise.
19633         (set_initial_properties): Likewise.
19634         (find_partition_for): Likewise.
19635         (update_reference_counts): Likewise.
19636         (dump_may_aliases_for): Likewise.
19637         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19638         (add_call_clobber_ops): Likewise.
19639         (add_call_read_ops): Likewise.
19640         (get_asm_expr_operands): Likewise.
19641         * tree-into-ssa.c (dump_decl_set): Likewise.
19642         (update_ssa): Likewise.
19643         * tree-sra.c (scan_function): Likewise.
19644         (decide_instantiations): Likewise.
19645         (scalarize_parms): Likewise.
19646         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19647         (dsa_named_for): Likewise.
19648         * tree-ssa-structalias.c (update_alias_info): Likewise.
19649         (merge_smts_into): Likewise.
19651 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
19653         PR fortran/29549
19654         * doc/invoke.texi (-fcx-limited-range): Document new option.
19655         * toplev.c (process_options): Handle -fcx-fortran-rules.
19656         * common.opt: Add documentation for -fcx-fortran-rules.
19658 2008-02-25  Janne Blomqvist  <jb@gcc.gnu.org>
19660         PR c/35162
19661         * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
19662         actual behaviour and C99.
19664 2008-02-26  Ben Elliston  <bje@au.ibm.com>
19666         * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
19667         (ASM_CPU_POWER6_SPEC): Likewise.
19668         (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
19669         Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
19670         (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
19672 2008-02-25  Richard Guenther  <rguenther@suse.de>
19674         * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
19675         * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
19676         (lookup_decl_from_uid): Declare.
19677         * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
19678         * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
19679         (decl_for_uid_map): New global hashtable mapping DECL_UID
19680         to the decl tree.
19681         (init_ttree): Allocate it.
19682         (insert_decl_to_uid_decl_map): New helper function.
19683         (make_node_stat): Insert new decls into the map.
19684         (copy_node_stat): Likewise.
19685         (lookup_decl_from_uid): New function.
19686         (print_decl_for_uid_map_statistics): New helper.
19687         (dump_tree_statistics): Call it.
19689         * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
19690         (referenced_var_iterator): Adjust.
19691         (FOR_EACH_REFERENCED_VAR): Adjust.
19692         (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
19693         (num_referenced_vars): Adjust.
19694         * tree-flow-inline.h (gimple_referenced_vars): Adjust.
19695         (first_referenced_var): Remove.
19696         (end_referenced_vars_p): Likewise.
19697         (next_referenced_var): Likewise.
19698         (referenced_var_iterator_set): New helper function.
19699         * tree-dfa.c (referenced_var_lookup): Adjust.
19700         (referenced_var_check_and_insert): Likewise.
19701         (remove_referenced_var): Likewise.
19702         * tree-ssa.c (verify_flow_insensitive_alias_info): Use
19703         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19704         (verify_call_clobbering): Likewise.
19705         (verify_memory_partitions): Likewise.
19706         (init_tree_ssa): Allocate bitmap instead of hashtable for
19707         referenced_vars.
19708         (delete_tree_ssa): Adjust.
19709         * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
19710         FOR_EACH_REFERENCED_VAR_IN_BITMAP.
19711         (compute_tag_properties): Likewise.
19712         (set_initial_properties): Likewise.
19713         (find_partition_for): Likewise.
19714         (update_reference_counts): Likewise.
19715         (dump_may_aliases_for): Likewise.
19716         * tree-ssa-operands.c (add_virtual_operand): Likewise.
19717         (add_call_clobber_ops): Likewise.
19718         (add_call_read_ops): Likewise.
19719         (get_asm_expr_operands): Likewise.
19720         * tree-into-ssa.c (dump_decl_set): Likewise.
19721         (update_ssa): Likewise.
19722         * tree-sra.c (scan_function): Likewise.
19723         (decide_instantiations): Likewise.
19724         (scalarize_parms): Likewise.
19725         * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
19726         (dsa_named_for): Likewise.
19727         * tree-ssa-structalias.c (update_alias_info): Likewise.
19728         (merge_smts_into): Likewise.
19730 2008-02-25  Andreas Krebbel  <krebbel1@de.ibm.com>
19732         PR target/35258
19733         * cse.c (cse_insn): Avoid creation of overlapping MEMs.
19734         * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
19735         * alias.h (nonoverlapping_memrefs_p): Likewise.
19737 2008-02-25  Jan Beulich  <jbeulich@novell.com>
19739         * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
19740         * config/i386/netware-libgcc.exp: Add __bswap?i2,
19741         __emultls_get_address, __emultls_register_common,
19742         __floatundi?f, and _Unwind_GetIPInfo.
19743         * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
19744         Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
19745         (gen_regparm_prefix): Likewise.
19746         (i386_nlm_encode_section_info): Sync with
19747         config/i386/winnt.c:i386_pe_encode_section_info().
19748         (i386_nlm_maybe_mangle_decl_assembler_name): New.
19749         i386_nlm_mangle_decl_assembler_name): New.
19750         (netware_override_options): New.
19751         * config/i386/netware.h (netware_override_options): Declare.
19752         (OVERRIDE_OPTIONS): Re-define to netware_override_options.
19753         (i386_nlm_mangle_decl_assembler_name): Declare.
19754         (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
19756 2008-02-25  Ben Elliston  <bje@au.ibm.com>
19758         PR other/32948
19759         * c-decl.c (grokdeclarator): Remove unused local variables
19760         `typedef_type' and `type_as_written'.
19761         * bb-reorder.c
19762         (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
19763         unused local variable `has_hot_blocks'.
19764         (fix_crossing_conditional_branches): Remove unused local variable
19765         `prev_bb'.
19767 2008-02-25  Uros Bizjak  <ubizjak@gmail.com>
19769         PR middle-end/19984
19770         * builtins.def (BUILT_IN_NAN): Define as c99 builtin
19771         using DEF_C99_BUILTIN.
19772         (BUILT_IN_NANF): Ditto.
19773         (BUILT_IN_NANL): Ditto.
19775 2008-02-25  Ayal Zaks  <zaks@il.ibm.com>
19776             Revital Eres  <eres@il.ibm.com>
19778         * modulo-sched.c (calculate_must_precede_follow): Address TODO
19779         regarding the order of two dependent insns in the same row.
19781 2008-02-25  Eric Botcazou  <ebotcazou@adacore.com>
19783         * stor-layout.c (layout_decl): Do not bump the alignment of a
19784         bit-field to more than byte alignment if it is packed.
19786 2008-02-24  David Edelsohn  <edelsohn@gnu.org>
19788         * config/rs6000/rs6000.c (processor_costs): Add cache costs for
19789         e300c2 and e300c3.
19791 2008-02-24  Diego Novillo  <dnovillo@google.com>
19793         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
19795         PR 33738
19796         * tree-vrp.c (vrp_evaluate_conditional): With
19797         -Wtype-limits, emit a warning when comparing against a
19798         constant outside the natural range of OP0's type.
19799         * c.opt (Wtype-limits): Move ...
19800         * common.opt (Wtype-limits): ... here.
19802 2008-02-24  Edmar Wienskoski  <edmar@freescale.com>
19804         * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
19805         * config/rs6000/e300c2c3.md: New file.
19806         * config/rs6000/rs6000.c (processor_costs): Add new costs for
19807         e300c2 and e300c3.
19808         (rs6000_override_options): Add e300c2 and e300c3 cases to
19809         processor_target_table. Do not allow usage of Altivec or Spe
19810         with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
19811         (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
19812         * config/rs6000/rs6000.h (processor_type): Add
19813         PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
19814         (ASM_CPU_SPEC): Add e300c2 and e300c3.
19815         * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
19816         and ppce300c3. Include e300c2c3.md.
19818 2008-02-23  David Edelsohn  <edelsohn@gnu.org>
19820         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
19821         instead of TARGET_STRICT_ALIGN.
19823 2008-02-23  Joseph Myers  <joseph@codesourcery.com>
19825         * explow.c (memory_address): Assert that the generated address is
19826         valid.
19828 2008-02-23  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
19830         PR target/25477
19831         * config/darwin-protos.h: Add darwin_patch_builtins prototype.
19832         * config/darwin-ppc-ldouble-patch.def: New file.
19833         * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
19834         * config/rs6000/rs6000.c (rs6000_init_builtins): Call
19835         SUBTARGET_INIT_BUILTINS if defined.
19836         * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
19837         New functions.
19839 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19841         PR rtl-opt/33512
19842         * simplify-rtx.c (simplify_binary_operation_1): Add simplification
19843         of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
19845 2008-02-23  Andrew Pinski  <andrew_pinski@playstation.sony.com>
19847         PR pch/35027
19848         * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
19849         file" warning condtional on -Winvalid-PCH.
19851 2008-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
19853         * expmed.c (extract_bit_field): Always use adjust_address for MEM.
19855 2008-02-23  Uros Bizjak  <ubizjak@gmail.com>
19857         PR target/22076
19858         PR target/34256
19859         * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
19860         prevent reload from using MMX registers.
19861         (*mov<mode>_internal): Ditto.
19862         (*movv2sf_internal_rex64): Ditto.
19863         (*movv2sf_internal): Ditto.
19865 2008-02-23  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19867         PR documentation/31569
19868         * doc/install.texi2html: Use makeinfo --no-number-sections.
19870 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19872         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
19873         ensure that we can address an entire entity > 8 bytes.  Don't
19874         generate reg+reg addressing for such data.
19876 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19878         * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
19879         strings when optimizing for size, unless the target cares about
19880         alignment.
19882 2008-02-22  Tom Tromey  <tromey@redhat.com>
19884         * regclass.c (current_pass): Remove declaration.
19886 2008-02-22  Anatoly Sokolov <aesok@post.ru>
19888         * config/avr/libgcc.S (__RAMPZ__): Define.
19889         (__do_copy_data): Add for devices with 128KB code memory.
19891 2008-02-22  Nathan Froyd  <froydnj@codesourcery.com>
19893         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
19894         Use spe_abi.
19895         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
19897 2008-02-22  Hans-Peter Nilsson  <hp@axis.com>
19899         * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
19900         GENNONACR_REGS.
19902 2008-02-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19904         PR c/19999
19905         * c-typeck.c (build_binary_op): Warn about floating point
19906         comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
19908 2008-02-21  Janis Johnson  <janis187@us.ibm.com>
19910         PR target/34526
19911         * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
19912         (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
19913         add vrsave.
19914         (rs6000_override_options): Set altivec_abi as default, not override,
19915         for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
19916         TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
19917         is used; use new member spe_abi.
19918         (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
19919         spe_abi and altivec_abi.
19921 2008-02-22  Tomas Bily  <tbily@suse.cz>
19923         * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
19925 2008-02-21  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
19927         PR bootstrap/35273
19928         * config.build (build_file_translate): Set to `CMD //c' only if
19929         it works.
19930         * Makefile.in (build_file_translate): Improve comment.
19932 2008-02-21  Jan Hubicka  <jh@suse.cz>
19934         * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
19935         PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
19936         PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
19938 2008-02-21  Michael Matz  <matz@suse.de>
19940         PR target/35264
19941         * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
19943 2008-02-21  Uros Bizjak  <ubizjak@gmail.com>
19945         * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
19946         movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
19947         as insn constraint.
19948         * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
19949         from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
19950         SSE_VEC_FLOAT_MODE_P as insn constraint.
19951         (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
19952         (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
19953         sse4a_movntdf using MODEF mode iterator.
19954         (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
19955         sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
19956         (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
19957         (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
19958         (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
19959         (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
19960         (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
19962 2008-02-21  Richard Guenther  <rguenther@suse.de>
19964         * tree.def (PAREN_EXPR): New tree code.
19965         * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
19966         and PAREN_EXPR.
19967         * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
19968         * expr.c (expand_expr_real_1): Likewise.
19969         * tree-inline.c (estimate_num_insns_1): Likewise.
19970         * tree-complex.c (expand_complex_move): Likewise.
19971         * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
19972         as plain x.
19974 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19976         PR target/35225
19977         * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
19979 2008-02-20  Kaz Kojima  <kkojima@gcc.gnu.org>
19981         PR target/35190
19982         * config/sh/sh.md (jump_compact): Disable for crossing jumps.
19984         * config/sh/sh.c (find_barrier): Don't go past
19985         NOTE_INSN_SWITCH_TEXT_SECTIONS note.
19987 2008-02-20  DJ Delorie  <dj@redhat.com>
19989         * config/h8300/h8300.md (insv): Force source operand to be a register.
19991         * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
19992         as a jump, not as a plain insn.
19994 2008-02-20  Seongbae Park <seongbae.park@gmail.com>
19996         * doc/invoke.texi (Warning Options): Add new option
19997         -Wframe-larger-than=.
19998         (-Wframe-larger-than): Document.
20000         * flags.h (warn_frame_larger_than, frame_larger_than_size):
20001         Add declarations for new option variables.
20003         * final.c (final_start_function): Check the frame size
20004         before emission and issue a Wframe-larger-than warning.
20006         * opts.c (warn_frame_larger_than, frame_larger_than_size):
20007         Add definitions for new option variables.
20008         (common_handle_option): Handle new option OPT_Wframe_larger_than_.
20010         * common.opt (Wframe-larger-than=): New option.
20012 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
20014         * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
20015         (<sse>_div<mode>3): Ditto.
20016         (<sse>_vmdiv<mode>3): Ditto.
20017         (<sse>_vmsqrt<mode>2): Ditto.
20018         (*smax<mode>3): Ditto.
20019         (sse5_frcz<mode>2): Ditto.
20020         (sse5_vmfrcz<mode>2): Ditto.  Use TARGET_SSE5 instead of TARGET_ROUND
20021         as insn constraint.
20023 2008-02-20  Richard Guenther  <rguenther@suse.de>
20025         PR middle-end/35265
20026         * builtins.c (validate_arg): If we want an INTEGER_TYPE,
20027         be happy with INTEGRAL_TYPE_P.
20029 2008-02-20  Richard Guenther  <rguenther@suse.de>
20031         * fold-const.c (split_tree): Associate floatig-point expressions
20032         if flag_associative_math is set.
20034 2008-02-20  Richard Guenther  <rguenther@suse.de>
20036         * tree.h (fold_real_zero_addition_p): Declare.
20037         * fold-const.c (fold_real_zero_addition_p): Export.
20038         * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
20039         floating-point operations with zero and one.
20041 2008-02-20  Paolo Bonzini  <bonzini@gnu.org>
20043         * doc/install.texi: Correct references to CFLAGS, replacing them
20044         with BOOT_CFLAGS.  Document flags used during bootstrap for
20045         target libraries.
20047 2008-02-20  Uros Bizjak  <ubizjak@gmail.com>
20049         * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
20050         * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
20051         and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
20052         insn constraint.
20053         (smin<mode>3): Ditto from similar patterns.
20054         (smax<mode>3): Ditto.
20055         (*ieee_smin<mode>3): Ditto.
20056         (*ieee_smax<mode>3): Ditto.
20057         * config/i386/sse.md (sse): New mode attribute.
20058         (mov<mode>): Macroize expander from movv4sf and movv2df using
20059         SSEMODEF2P mode iterator.
20060         (<sse>_movnt<mode>): Ditto from similar patterns. Use
20061         SSE_VEC_FLOAT_MODE_P as insn constraint.
20062         (storent<mode>): Ditto.
20063         (storent<mode>): Macroize expander from storentsf and storentdf using
20064         MODEF mode iterator.
20065         (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
20066         mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
20067         (abs<mode>2): Ditto from similar patterns.
20068         (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
20069         (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
20070         (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
20071         (<sse>_vmsqrt<mode>2): Ditto.
20072         (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
20073         (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
20074         (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
20075         (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
20076         (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
20077         sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
20078         mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
20079         insn constraint.
20080         (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
20081         iterator and SSE_FLOAT_MODE_P as insn constraint.
20082         (<sse>_ucomi): Ditto from similar patterns.
20083         (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
20084         sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
20085         SSE_VEC_FLOAT_MODE_P as insn constraint.
20086         (vcond<mode>): Ditto from similar patterns.
20087         (and<mode>3, *and<mode>3): Ditto.
20088         (<sse>_nand<mode>3): Ditto.
20089         (ior<mode>3, *ior<mode>3): Ditto.
20090         (xor<mode>3, *xor<mode>3): Ditto.
20091         (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
20092         iterator and SSE_FLOAT_MODE_P as insn constraint.
20093         (*nand<mode>3): Ditto from similar patterns.
20094         (*ior<mode>3): Ditto.
20095         (*xor<mode>3): Ditto.
20097 2008-02-20  Ira Rosen  <irar@il.ibm.com>
20099         * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
20100         vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
20101         vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
20103 2008-02-19  Jan Hubicka  <jh@suse.cz>
20105         * predict.c (tree_bb_level_predictions): Remove variable next
20106         mistakely introduced by previous commit.
20108 2008-02-19  Jan Hubicka  <jh@suse.cz>
20110         * predict.c (predict_paths_leading_to): Rewrite.
20111         (predict_paths_for_bb): New.
20112         (tree_bb_level_predictions): Update call of predict_paths_leading_to.
20114 2008-02-19  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20116         PR bootstrap/35218
20117         * Makefile.in (build_file_translate): New.
20118         (gcc-vers.texi): Use it for translating $(abs_srcdir).
20119         * config.build (build_file_translate): Set to `CMD //c' on MinGW.
20120         * configure.ac (build_file_translate): Substitute it.
20121         * configure: Regenerate.
20123 2008-02-19  Jan Hubicka  <jh@suse.cz>
20125         PR rtl-optimization/34408
20126         * see.c (see_def_extension_not_merged): Copy subreg so we don't have
20127         invalid sharing.
20129 2008-02-19  Jan Hubicka  <jh@suse.cz>
20131         PR middle-end/28779
20132         * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
20133         call_expr.
20135 2008-02-19  H.J. Lu  <hongjiu.lu@intel.com>
20137         PR Ada/35186
20138         * config/i386/i386-modes.def: Revert the last DI alignment
20139         change until Ada people can look into it.
20141 2008-02-19  Nick Clifton  <nickc@redhat.com>
20143         * opts.c (print_specific_help): Fix typo in --help text.
20145 2008-02-19  Jakub Jelinek  <jakub@redhat.com>
20147         PR target/35239
20148         * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
20149         32-bit inline asm without asm alternatives for host GCC < 3.0.
20151 2008-02-19  Richard Guenther  <rguenther@suse.de>
20153         PR tree-optimization/34989
20154         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
20155         Allow propagation to INDIRECT_REF if we can simplify only.
20157 2008-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20159         * c-common.c (warn_for_collisions_1): Use appropriate option when
20160         warning.
20162 2008-02-19  Nick Clifton  <nickc@redhat.com>
20164         PR other/31349
20165         * opts.c (undocumented_msg): Leave blank unless checking is enabled.
20166         (handle_options): Fix indentation.
20167         (print_filtered_help): If no language-specific options were
20168         displayed tell the user how to list all the options supported by
20169         the language's front-end.
20170         (print_specific_help): Fix indentation and remove duplicate line.
20171         (common_handle_option): Handle the -v option.
20172         For --help enable the display of undocumented options if the -v
20173         switch has been included on the command line.
20174         For --help= check for overlaps in the arguments between the option
20175         classes and the language names and issue a warning when they
20176         cannot be disambiguated.
20177         * c.opt (v): Pass on to the common option handler.
20179 2008-02-19  Revital Eres  <eres@il.ibm.com>
20181         * modulo-sched.c (sms_schedule): Change dump message when
20182         create_ddg function fails.
20183         (try_scheduling_node_in_cycle): Rename row to cycle.
20184         (print_partial_schedule): Rename CYCLE to ROW.
20186 2008-02-19  Christian Bruel  <christian.bruel@st.com>
20187             Zdenek Dvorak  <ook@ucw.cz>
20189         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
20191 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
20193         PR target/33555
20194         * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
20195         (*x86_movdicc_0_m1_se): Ditto.
20197 2008-02-19  Uros Bizjak  <ubizjak@gmail.com>
20199         * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
20200         (CMPtype): Define as __gcc_CMPtype.
20201         * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
20202         (CMPtype): Define as __gcc_CMPtype.
20204 2008-02-19  Hans-Peter Nilsson  <hp@axis.com>
20206         Support valgrind 3.3 for --enable-checking=valgrind.
20207         * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
20208         here.
20209         [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
20210         [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
20211         [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
20212         * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
20213         Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
20214         VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
20215         VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
20216         respectively.
20217         * ggc-zone.c: Similar.
20218         * ggc-page.c: Similar.
20220 2008-02-19  Paul Brook  <paul@codesourcery.com>
20222         PR target/35071
20223         * config/arm/ieee754-df.S: Fix do_it typo.
20224         * config/arm/ieee754-sf.S: Fix do_it typo.
20226 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20228         PR target/35189
20229         * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
20230         (OPTION_MASK_ISA_3DNOW_SET): Likewise.
20231         (OPTION_MASK_ISA_SSE_SET): Likewise.
20232         (OPTION_MASK_ISA_SSE2_SET): Likewise.
20233         (OPTION_MASK_ISA_SSE3_SET): Likewise.
20234         (OPTION_MASK_ISA_SSSE3_SET): Likewise.
20235         (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
20236         (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
20237         (OPTION_MASK_ISA_SSE4_SET): Likewise.
20238         (OPTION_MASK_ISA_SSE4A_SET): Likewise.
20239         (OPTION_MASK_ISA_SSE5_SET): Likewise.
20240         (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
20241         (OPTION_MASK_ISA_MMX_UNSET): Updated.
20242         (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
20243         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
20244         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
20245         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
20246         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
20247         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
20248         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
20249         (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
20250         (OPTION_MASK_ISA_SSE4): Removed.
20251         (ix86_handle_option): Turn on bits in ix86_isa_flags and
20252         ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
20253         (override_options): Don't turn on implied SSE/MMX bits in
20254         ix86_isa_flags.
20256 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
20258         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
20259         32bit host.
20261 2008-02-18  Joey Ye  <joey.ye@intel.com>
20263         PR middle-end/34921
20264         * tree-nested.c (insert_field_into_struct): Set type alignment
20265         to field alignment if the former is less than the latter.
20267 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
20269         * BASE-VER: Set to 4.4.0.
20271 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20273         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
20274         * doc/cfg.texi: Likewise.
20275         * doc/extend.texi: Likewise.
20276         * doc/gty.texi: Likewise.
20277         * doc/invoke.texi: Likewise.
20278         * doc/loop.texi: Likewise.
20279         * doc/md.texi: Likewise.
20280         * doc/passes.texi: Likewise.
20281         * doc/rtl.texi: Likewise.
20282         * doc/sourcebuild.texi: Likewise.
20283         * doc/tm.texi: Likewise.
20284         * doc/tree-ssa.texi: Likewise.
20286 2008-02-17  Richard Guenther  <rguenther@suse.de>
20288         PR middle-end/35227
20289         * tree-complex.c (init_parameter_lattice_values): Handle parameters
20290         without default definition.
20292 2008-02-17  Richard Guenther  <rguenther@suse.de>
20294         PR tree-optimization/35231
20295         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
20296         if A | B != 1.
20298 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
20300         Revert:
20301         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20302         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
20303         libgcc_cmp_return mode.
20305 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20307         PR c/28368
20308         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
20310 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
20312         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
20313         multilibs.
20315 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20317         * doc/c-tree.texi: Use `@.' where appropriate.
20318         * doc/extend.texi: Likewise.
20319         * doc/install.texi: Likewise.
20320         * doc/invoke.texi: Likewise.
20321         * doc/loop.texi: Likewise.
20322         * doc/makefile.texi: Likewise.
20323         * doc/md.texi: Likewise.
20324         * doc/passes.texi: Likewise.
20325         * doc/standards.texi: Likewise.
20326         * doc/tm.texi: Likewise.
20328 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
20330         PR middle-end/35196
20331         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
20332         in entry_bb.
20333         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
20334         rather than in entry_bb.
20336 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20338         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
20339         libgcc_cmp_return mode.
20341 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
20343         PR middle-end/35130
20344         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
20345         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
20347 2008-02-15  Richard Guenther  <rguenther@suse.de>
20348             Zdenek Dvorak  <ook@ucw.cz>
20350         PR tree-optimization/35164
20351         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
20352         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
20353         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
20354         Only propagate addresses which do not have abnormal SSA_NAMEs
20355         in their operands.
20357 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
20359         PR target/35088
20360         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
20362 2008-02-15  Jan Hubicka  <jh@suse.cz>
20364         PR middle-end/35149
20365         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
20367 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20369         PR middle-end/34621
20370         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
20371         when calculating alignment_pad.
20373 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
20375         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
20376         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
20377         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
20378         and STACK_BOUNDARY define.
20380 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
20382         PR preprocessor/35061
20383         * c-pragma.c (handle_pragma_pop_macro): Check that
20384         pushed_macro_table has been allocated.
20386 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
20388         PR middle-end/35136
20389         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
20390         (force_gimple_operand): Likewise.
20391         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
20392         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
20393         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
20394         (find_interesting_uses_address): Check addressability and alignment
20395         of the base expression only after substituting bases of IVs into it.
20397 2008-02-14  Michael Matz  <matz@suse.de>
20399         PR target/34930
20400         * function.c (instantiate_virtual_regs_in_insn): Reload address
20401         before falling back to reloading the whole operand.
20403 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
20405         * config/s390/s390.c (s390_mainpool_start): Emit the pool
20406         before the first section switch note.
20408 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
20410         * doc/bugreport.texi: Update copyright years.
20411         * doc/c-tree.texi: Likewise.
20412         * doc/cfg.texi: Likewise.
20413         * doc/cpp.texi: Likewise.
20414         * doc/cppinternals.texi: Likewise.
20415         * doc/fragments.texi: Likewise.
20416         * doc/frontends.texi: Likewise.
20417         * doc/gcc.texi: Likewise.
20418         * doc/gty.texi: Likewise.
20419         * doc/hostconfig.texi: Likewise.
20420         * doc/implement-c.texi: Likewise.
20421         * doc/libgcc.texi: Likewise.
20422         * doc/loop.texi: Likewise.
20423         * doc/makefile.texi: Likewise.
20424         * doc/options.texi: Likewise.
20425         * doc/passes.texi: Likewise.
20426         * doc/rtl.texi: Likewise.
20427         * doc/sourcebuild.texi: Likewise.
20428         * doc/standards.texi: Likewise.
20429         * doc/tree-ssa.texi: Likewise.
20430         * doc/trouble.texi: Likewise.
20432         * doc/extend.texi: Use @: or add comma where appropriate.
20433         * doc/invoke.texi: Likewise.
20434         * doc/tm.texi: Likewise.
20436 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
20438         PR target/34393
20439         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
20440         to a reg.
20442 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
20444         * doc/md.texi (clz, ctz): Add reference.
20445         * doc/rtl.texi (clz, ctz): Likewise.
20447 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20449         PR other/35148
20450         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
20451         srcdir.
20453 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
20455         * config/s390/s390.c (struct constant_pool): New field
20456         emit_pool_after added.
20457         (s390_mainpool_start): Set the emit_pool_after flag according
20458         to the section switch notes.
20459         (s390_mainpool_finish): Consider emit_pool_after when emitting
20460         the literal pool at the end of the function.
20461         (s390_chunkify_start): Force literal pool splits at section
20462         switch notes.
20464 2008-02-13  Michael Matz  <matz@suse.de>
20466         PR debug/35065
20467         * var-tracking.c (clobber_variable_part): Correctly traverse the
20468         list.
20470 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20472         PR 29673
20473         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
20474         Add -fdump-ipa-inline.
20475         * tree-dump.c (dump_files): Remove tree-inlined dump.
20476         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
20478 2008-02-12  Richard Guenther  <rguenther@suse.de>
20480         PR tree-optimization/35171
20481         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
20482         default defs.
20484 2008-02-12  Richard Guenther  <rguenther@suse.de>
20486         PR middle-end/35163
20487         * fold-const.c (fold_widened_comparison): Use get_unwidened in
20488         value-preserving mode.  Disallow final truncation.
20490 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
20492         PR middle-end/35136
20493         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
20494         code from here to...
20495         (force_gimple_operand): ...here.
20497 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
20499         PR c++/35144
20500         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
20501         non-compatible pointers.
20502         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
20503         different FIELD_DECLs, try harder by comparing field offsets, sizes
20504         and types.
20506         PR inline-asm/35160
20507         * function.c (match_asm_constraints_1): Don't replace the same input
20508         multiple times.
20510 2008-02-12  Anatoly Sokolov <aesok@post.ru>
20512         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
20513         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
20514         (expand_epilogue): Restore RAMPZ register.
20515         * config/avr/avr.md (RAMPZ_ADDR): New constant.
20517 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
20519         * config/i386/cygwin.asm: (__alloca): Correct calling
20520         convention and alignment.
20521         (__chkstk): Force 8 byte stack alignment.
20523 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
20524             Richard Guenther  <rguenther@suse.de>
20526         PR tree-optimization/33992
20527         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
20528         the zero we compare against.
20530 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
20532         PR libfortran/35063
20533         * gthr-win32.h (__gthread_mutex_destroy_function): New function
20534         to CloseHandle after unlocking to prevent accumulation of handle
20535         count.
20537 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20539         PR middle_end/34150
20540         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
20541         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
20542         and update LABEL_NUSES during and after reload.
20544 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
20546         PR middle-end/34627
20547         * combine.c (simplify_if_then_else): Make sure the comparison is
20548         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
20550 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
20552         PR bootstrap/35051
20553         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
20554         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
20555         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
20556         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
20557         * tree.h (get_type_static_bounds): Likewise.
20559 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20561         * doc/invoke.texi (Option Summary, C++ Dialect Options)
20562         (Objective-C and Objective-C++ Dialect Options, Warning Options):
20563         Make -Wfoo language annotations match what the compiler outputs.
20565 2008-02-08  Sa Liu  <saliu@de.ibm.com>
20567         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
20568         intrinsics spu_convts, spu_convtu, spu_convtf.
20570 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
20572         * doc/extend.texi (Function Attributes) <noinline>: Mention
20573         asm ("") as method to keep calls.
20575 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20577         PR other/32754
20578         * doc/options.texi (Options): Replace references to opts.sh with
20579         optc-gen.awk.
20580         * opts-common.c: Likewise.
20581         * optc-gen.awk: Likewise.
20583 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
20585         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
20587 2008-02-07  Richard Henderson  <rth@redhat.com>
20589         PR rtl-opt/33410
20590         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
20591         EXPR_LIST for the REG_EQUAL instead of a comparison with a
20592         funny mode.
20594 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
20596         PR tree-optimization/35085
20597         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
20598         for operand entry oe2 in addition to operand entry oe3 in order to
20599         expose more opportunities for vectorizer sum reduction.
20601 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20603         PR other/35107
20604         * Makefile.in (LIBS): Remove $(GMPLIBS).
20605         (cc1-dummy, cc1): Add $(GMPLIBS).
20607 2008-02-06  Jan Hubicka  <jh@suse.cz>
20609         PR target/23322
20610         * i386.md (moddf_integer): Do not produce partial memory stalls for
20611         targets where it hurts.
20613 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
20615         PR target/35083
20616         * optabs.c (expand_float): Do not check for decimal modes when
20617         expanding unsigned integer through signed conversion.
20619 2008-02-06  Nick Clifton  <nickc@redhat.com>
20621         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
20622         inside the clobber with a match_operand and duplicated operand
20623         number in the constraint.
20624         (ineqbranchsi): Delete redundant comment.
20626 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
20628         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
20629         builtin_define ("__USE_INIT_FINI__").
20630         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
20631         -msx multilibs.
20632         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
20634 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20636         PR documentation/30330
20637         * doc/invoke.texi (C++ Dialect Options)
20638         (Objective-C and Objective-C++ Dialect Options, Warning Options):
20639         For each warning option -Wfoo that allows -Wno-foo, ensure both
20640         -Wfoo and -Wno-foo are listed in the option index.  Fix index
20641         entry of -Wswitch-default, index -Wnormalized= including the
20642         `=', and -Wlarger-than-@var{len} including @var{len}.
20644 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
20646         * config/i386/i386.md (floatunssisf2): Use
20647         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
20648         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
20649         Macroize expander using MODEF mode iterator.
20651 2008-02-05  Diego Novillo  <dnovillo@google.com>
20653         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
20655         PR 33738
20656         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
20658 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
20660         PR other/35070
20661         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
20663 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
20665         PR target/35084
20666         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
20667         to indicate if a message should be generated.
20668         (init_cumulative_args): Updated.
20669         (function_value_32): Likewise.
20671 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
20673         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
20675 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
20677         PR target/35083
20678         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
20679         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
20681 2008-02-04  Diego Novillo  <dnovillo@google.com>
20683         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
20685         PR 33738
20686         * tree-vrp.c (vrp_evaluate_conditional): With
20687         -Wtype-limits, emit a warning when comparing against a
20688         constant outside the natural range of OP0's type.
20690 2008-02-04  Richard Guenther  <rguenther@suse.de>
20692         PR middle-end/33631
20693         * expr.c (count_type_elements): Give for unions instead of
20694         guessing.
20696 2008-02-04  Richard Guenther  <rguenther@suse.de>
20698         PR middle-end/35043
20699         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
20700         to TYPE_DOMAINs base type instead of using bitsizetype here.
20702 2008-02-03  Jason Merrill  <jason@redhat.com>
20704         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
20706 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
20708         PR other/29972
20709         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
20710         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
20711         (RS/6000 and PowerPC Options): Fix typos and markup.
20712         * doc/passes.texi (Tree-SSA passes): Likewise.
20714 2008-02-02  Michael Matz  <matz@suse.de>
20716         PR target/35045
20717         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
20718         from record_last_reg_set_info.
20719         (record_last_reg_set_info): Take an RTX argument, iterate over all
20720         constituent hardregs.
20721         (record_last_set_info, record_opr_changes): Change calls to
20722         new signature or to record_last_reg_set_info_regno.
20724 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
20726         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
20728 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
20730         PR rtl-optimization/34773
20731         * reg-notes.def (EQUAL): Mention significance of combination of
20732         REG_EQUAL and REG_RETVAL.
20733         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
20734         insn that has a REG_RETVAL.
20736 2008-02-01  Roger Sayle  <roger@eyesopen.com>
20738         PR bootstrap/33781
20739         * configure.ac (--enable-fixed-point): Disable unless explicitly
20740         requested on IRIX.
20741         * configure: Regenerate.
20743 2008-02-01  Richard Guenther  <rguenther@suse.de>
20745         PR other/35042
20746         * invoke.texi (-finline-limit): Remove no longer true parts
20747         of the documentation.  Note that there is no default value.
20749 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
20750             Mark Mitchell  <mark@codesourcery.com>
20751             Ben Elliston  <bje@au.ibm.com>
20753         PR c/29326
20754         * doc/extend.texi (Other Builtins): Document.
20756 2008-01-31  Tom Browder <tom.browder@gmail.com>
20758         * doc/c-tree.texi (Types): Fix grammar.
20759         (Expression trees): Ditto.
20760         * doc/passes.texi (Tree-SSA passes): Ditto.
20762         * doc/configterms.texi (Configure Terms): Fix typo.
20763         * doc/cpp.texi (Common Predefined Macros): Ditto.
20764         * doc/md.texi (Machine Constraints): Ditto.
20766         * doc/makefile.texi (Makefile): Add comma.
20768 2008-01-31  Tom Browder  <tom.browder@gmail.com>
20769             Gerald Pfeifer  <gerald@pfeifer.com>
20771         * doc/sourcebuild.texi (Front End): Remove references to CVS
20772         and CVSROOT/modules.
20773         (Texinfo Manuals): Replace reference to CVS by one to SVN.
20774         (Back End): Remove reference to CVS.
20776 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
20778         PR target/34900
20779         * config/mips/mips.c (gen_load_const_gp): New function, taking a
20780         comment from...
20781         (mips16_gp_pseudo_reg): ...here.
20782         * config/mips/mips.md (load_const_gp): Replace with...
20783         (load_const_gp_<mode>): ...this :P-based insn.
20785 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
20787         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
20788         options. Minor fixes.
20789         (-std): Move reference to standards closer to where language
20790         standards are first mentioned.
20792 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
20794         PR rtl-optimization/34995
20795         * reload.c (alternative_allows_const_pool_ref): Take an rtx
20796         parameter and return a bool.  If the rtx parameter is nonnull,
20797         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
20798         (find_reloads): Update call accordingly.  Pass the new operand
20799         if it needed no address reloads, otherwise pass null.
20801 2008-01-30  Richard Henderson  <rth@redhat.com>
20803         PR c/34993
20804         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
20805         for unbounded arrays.
20807 2008-01-30  Silvius Rus  <rus@google.com>
20809         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
20811 2008-01-30  Jan Hubicka  <jh@suse.cz>
20813         PR target/34982
20814         * i386.c (init_cumulative_args): Use real function declaration when
20815         calling locally.
20817 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
20819         PR rtl-optimization/34998
20820         * global.c (build_insn_chain): Treat non-subreg_lowpart
20821         SUBREGs of pseudos as clobbering all the words covered by the
20822         SUBREG, not just all the bytes.
20823         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
20824         original df_ref rather than an extract parameter.
20825         (global_conflicts): Update call accordingly.
20827 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
20829         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
20830         the overflow check to make it easier to read.
20831         (__fixtfdi): Change the type of the ll member in union
20832         long_double to UDItype_x.
20834 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
20836         PR middle-end/34969
20837         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
20838         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
20839         * tree-inline.c (fold_marked_statements): Call
20840         cgraph_update_edges_for_call_stmt if folding a call statement.
20841         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
20842         debug_generic_stmt calls, reset it back afterwards.
20844         PR c/35017
20845         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
20846         static decls.
20847         * c-typeck.c (build_external_ref): Don't pedwarn about
20848         static vars in current function's scope.
20850 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
20852         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
20854 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
20856         PR c/35002
20857         * ipa-struct-reorg.c: Fix spelling.
20858         * params.def: Ditto.
20860 2008-01-29  Richard Guenther  <rguenther@suse.de>
20862         PR middle-end/35006
20863         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
20864         field.
20865         * tree-inline.c (remap_type): Increment remapping_type_depth
20866         around remapping types.
20867         (copy_body_r): Only add referenced variables if they are referenced
20868         from code, not types.
20870 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
20872         PR c++/34055
20873         PR c++/34103
20874         PR c++/34219
20875         PR c++/34606
20876         PR c++/34753
20877         PR c++/34754
20878         PR c++/34755
20879         PR c++/34919
20880         PR c++/34961
20881         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
20882         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
20884 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
20886         PR target/34412
20887         * config/avr/avr.c (expand_prologue): Use correct QI mode frame
20888         pointer for tiny stack.
20890 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
20892         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
20894 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
20896         * config/vx-common.h: Fix typo in comment.
20898 2008-01-28  Ian Lance Taylor  <iant@google.com>
20900         PR c++/34862
20901         PR c++/33407
20902         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
20903         coalesce pointers if they have different DECL_NO_TBAA_P values.
20904         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
20905         between variables with different DECL_NO_TBAA_P values.
20907 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
20909         PR 31535
20910         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
20911         are not legitimate small data references on SPE targets.
20913 2008-01-28  David Daney  <ddaney@avtrex.com>
20915         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
20917 2008-01-28  David Daney  <ddaney@avtrex.com>
20919         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
20921 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
20923         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
20924         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
20925         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
20926         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
20927         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
20928         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
20929         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
20930         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
20932 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20934         * basic-block.h (condjump_equiv_p): Fix comment.
20936 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20938         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
20939         print_generic_stmt_indented): Fix comment.
20941 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
20943         * configure.ac (__stack_chk_fail): Add detecion for availability
20944         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
20945         * configure: Regenerate.
20947 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
20949         PR middle-end/34688
20950         * final.c (output_addr_const): Handle TRUNCATE.
20952 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
20954         PR target/34711
20955         * tree-ssa-loop-ivopts.c (comp_cost): New type.
20956         (zero_cost, infinite_cost): New constants.
20957         (struct cost_pair): Change type of cost to comp_cost.
20958         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
20959         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
20960         New functions.
20961         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
20962         split_address_cost, ptr_difference_cost, difference_cost,
20963         get_computation_cost_at, get_computation_cost,
20964         determine_use_iv_cost_generic, determine_use_iv_cost_address,
20965         determine_use_iv_cost_condition, determine_use_iv_costs,
20966         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
20967         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
20968         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
20969         Change type of cost to comp_cost.
20970         (determine_iv_cost): Increase cost of non-original ivs, instead
20971         of decreasing the cost of original ones.
20972         (get_address_cost): Indicate the complexity of the addressing mode
20973         in comp_cost.
20974         (try_add_cand_for): Prefer using ivs not specific to some object.
20975         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
20977 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
20978             Janis Johnson  <janis187@us.ibm.com>
20980         PR target/34814
20981         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
20982         (TARGET_INSTANTIATE_DECLS): Likewise.
20983         * target.h (expand_to_rtl_hook): New target hook.
20984         (instantiate_decls): Likewise.
20985         * function.c (instantiate_decl): Make non-static.  Rename to...
20986         (instantiate_decl_rtl): ... this.
20987         (instantiate_expr): Use instantiate_decl_rtl.
20988         (instantiate_decls_1): Likewise.
20989         (instantiate_decls): Likewise.
20990         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
20991         * function.h (instantiate_decl_rtl): Add prototype.
20992         * cfgexpand.c (target.h): New include.
20993         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
20994         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
20995         (TARGET_INSTANTIATE_DECLS): Likewise.
20996         (TARGET_INITIALIZER): New target hooks added.
20997         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
20998         New prototype.
20999         * config/rs6000/rs6000.c (tree-flow.h): New include.
21000         (machine_function): Add sdmode_stack_slot field.
21001         (rs6000_alloc_sdmode_stack_slot): New function.
21002         (rs6000_instantiate_decls): Likewise.
21003         (rs6000_secondary_memory_needed_rtx): Likewise.
21004         (rs6000_check_sdmode): Likewise.
21005         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
21006         (TARGET_INSTANTIATE_DECLS): Likewise.
21007         (rs6000_hard_regno_mode_ok): Allow SDmode.
21008         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
21009         (rs6000_emit_move): Handle SDmode.
21010         (function_arg_advance): Likewise.
21011         (function_arg): Likewise.
21012         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
21013         SDmode var args for 32-bit compiles.
21014         (rs6000_secondary_reload_class): Handle SDmode.
21015         (rs6000_output_function_epilogue): Likewise.
21016         (rs6000_function_value): Simplify if statement.
21017         (rs6000_libcall_value): Likewise.
21018         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
21019         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
21020         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
21021         (movsd_hardfloat): New define_insn.
21022         (movsd_softfloat): Likewise.
21023         (movsd_store): Likewise.
21024         (movsd_load): Likewise.
21025         (extendsddd2): Likewise.
21026         (extendsdtd2): Likewise.
21027         (truncddsd2): Likewise.
21028         (movdd_hardfloat64): Fixup comment.
21029         (UNSPEC_MOVSD_LOAD): New constant.
21030         (UNSPEC_MOVSD_STORE): Likewise.
21032 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
21034         PR c++/34965
21035         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
21036         TRUTH_XOR_EXPR.
21037         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
21038         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
21039         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
21040         and TRUTH_XOR_EXPR.
21042 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
21044         PR target/34794
21045         * config.gcc: Separate AIX 5.3 from AIX 6.1.
21046         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
21047         __LONGDOUBLE128 too.
21048         * config/rs6000/aix61.h: New file.
21050 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
21052         PR rtl-optimization/34959
21053         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
21054         popcount and parity rtxes the same mode as their operand.
21055         Truncate or extend the result to the return value's mode
21056         if necessary.
21058 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
21060         PR target/34981
21061         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
21062         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
21063         to GOT_VERSION_REGNUM.
21064         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
21065         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
21066         * config/mips/mips.c (mips_emit_call_insn): New function.
21067         (mips_call_tls_get_addr): Call mips_expand_call directly.
21068         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
21069         emit_call_insn.
21070         (mips16_build_call_stub): Likewise.  Return the call insn or null.
21071         (mips_expand_call): Update the call to mips16_build_call_stub
21072         accordingly and a remove redundant condition.  Assert that MIPS16
21073         stubs do not use lazy binding.  Use mips_emit_call_insn and return
21074         the call insn.
21075         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
21076         TARGET_USE_GOT.
21077         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
21078         (mips_avoid_hazard): Remove hazard_set handling.
21079         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
21080         (UNSPEC_RESTORE_GP): ...this.
21081         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
21082         (FAKE_CALL_REGNO): Rename to...
21083         (GOT_VERSION_REGNUM): ...this.
21084         (type): Add "ghost" value.  Add an associated insn reservation.
21085         (hazard_set): Remove.
21086         (exception_receiver): Rename to...
21087         (restore_gp): ...this and update the unspec identifier accordingly.
21088         (exception_receiver, nonlocal_got_receiver): New expanders.
21089         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
21090         FAKE_CALL_REGNO.  Remove hazard_set attribute.
21091         (set_got_version, update_got_version): New patterns.
21093 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
21095         PR target/34970
21096         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
21098 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
21100         PR other/31955
21101         * doc/install.texi2html: Generate gcc-vers.texi.
21103 2008-01-25  DJ Delorie  <dj@redhat.com>
21105         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
21107 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
21109         * config/c4x: Remove directory.
21110         * config.gcc (crx-*, mt-*): Mark obsolete.
21111         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
21112         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
21113         sh-*-rtemscoff*): Remove cases.
21114         * defaults.h (C4X_FLOAT_FORMAT): Remove.
21115         * real.c (encode_c4x_single, decode_c4x_single,
21116         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
21117         c4x_extended_format): Remove.
21118         * real.h (c4x_single_format, c4x_extended_format): Remove.
21119         * doc/extend.texi (interrupt, naked): Remove mention of attributes
21120         on C4x.
21121         (Pragmas): Remove comment about c4x pragmas.
21122         * doc/install.texi (c4x): Remove target-specific instructions.
21123         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
21124         * doc/md.texi (Machine Constraints): Remove C4x documentation.
21125         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
21126         refer to C4x source files as examples.
21127         (C4X_FLOAT_FORMAT): Remove documentation.
21129 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
21131         * config/bfin/bfin.c (override_options): Reorder tests so that
21132         flag_pic gets enabled for -msep-data.
21134 2008-01-25  Richard Guenther  <rguenther@suse.de>
21136         PR middle-end/32244
21137         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
21138         to its bitfield precision if required.
21140 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
21142         PR middle-end/33880
21143         * tree-nested.c (walk_omp_for): New function.
21144         (convert_nonlocal_reference, convert_local_reference): Call
21145         walk_omp_for on OMP_FOR.
21146         (convert_call_expr): Call walk_body on OMP_FOR's
21147         OMP_FOR_PRE_INIT_BODY.
21149 2008-01-25  Richard Guenther  <rguenther@suse.de>
21151         PR tree-optimization/34966
21152         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
21153         default defs and PHI_NODEs we have to insert after the
21154         defining statement.
21156 2008-01-24  Nick Clifton  <nickc@redhat.com>
21158         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
21159         Provide a default definition.
21160         (LIBGCC2_UNITS_PER_WORD): Likewise.
21162         * config/stormy16/stormy16.c: Include df.h for the prototype
21163         for df_regs_ever_live_p.
21164         (xstormy16_expand_builtin_va_start): Convert the stack offset
21165         into a component_ref and then use POINTER_PLUS_EXPR to add it
21166         to the incoming_virtual_args_rtx.
21167         (xstormy16_gimplify_va_arg_expr): Rename to
21168         xstormy16_gimplify_va_arg_expr.
21169         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
21170         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
21171         xstormy16_gimplify_va_arg_expr.
21172         Fix up some formatting issues.
21174         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
21175         Move to predicates.md.
21176         (xs_hi_general_operand): Likewise.
21177         (xs_hi_nonmemory_operand): Likewise.
21178         * config/stormy16/predicates.md:
21179         (xstormy16_carry_plus_operand): New predicate.
21180         (xs_hi_general_operand): New predicate.
21181         (xs_hi_nonmemory_operand): New predicate.
21182         * config/stormy16/stormy16-protos.h:
21183         (xstormy16_carry_plus_operand): Delete prototype.
21184         (xs_hi_general_operand): Likewise.
21185         (xs_hi_nonmemory_operand): Likewise.
21187         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
21188         modifiers as they are no longer needed and they can trigger
21189         reload spill failures.
21191         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
21192         with a match_operand in order to help reload.
21194         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
21195         constraint with 'e' for the 8th alternative as this version of
21196         the mov.w instruction only accepts the lower 8 registers.
21198 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
21200         PR target/34856
21201         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
21202         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
21203         vector elements.
21205 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
21207         PR middle-end/33333
21208         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
21210 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
21212         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
21213         New functions.
21214         (remove_structure): Update allocations list before removing structure.
21216 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
21218         * ipa-struct-reorg.c (is_safe_cond_expr,
21219         create_new_stmts_for_cond_expr): Use integer_zerop function,
21220         that recognize not only zero-pointer, but zero-integer too.
21222 2008-01-25  Ben Elliston  <bje@au.ibm.com>
21224         PR other/22232
21225         * fixproto: Escape "." in sed expression that strips leading "./".
21227 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
21229         PR driver/34904
21230         * gcc.c (SWITCH_OK): Removed.
21231         (SWITCH_LIVE): Changed to bit.
21232         (SWITCH_FALSE): Likewise.
21233         (SWITCH_IGNORE): Likewise.
21234         (switchstr): Change live_cond to unsigned int.
21235         (process_command): Replace SWITCH_OK with 0.
21236         (do_self_spec): Likewise.
21237         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
21238         (give_switch): Likewise.
21239         (used_arg): Likewise.
21240         (do_spec_1): Set the SWITCH_IGNORE bit.
21241         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
21242         bits.  Set the SWITCH_LIVE bit.
21244 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
21246         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
21248 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
21250         PR tree-optimization/34472
21251         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
21252         parameter to a "bool *" and set *DATA to false if there is
21253         an unsafe access.  Do not delete the structure here.
21254         (check_cond_exprs): Delete it here instead.
21255         (check_cond_exprs, exclude_cold_structs): Do not increase
21256         I when removing a structure.
21258 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
21260         PR target/34856
21261         * config/i386/i386.c (ix86_expand_vector_init): Consider only
21262         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
21264 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
21266         PR middle-end/34934
21267         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
21268         a fixed vector for stack.
21270 2008-01-24  Ben Elliston  <bje@au.ibm.com>
21272         PR c++/25701
21273         * doc/gcc.texi (Software development): Add a direntry for g++.
21275 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
21277         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
21278         stale and straggling -fforce-addr comments above.
21280         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
21281         define.
21282         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
21283         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
21285 2008-01-23  Michael Matz  <matz@suse.de>
21287         PR debug/34895
21288         * dwarf2out.c (force_type_die): Use modified_type_die instead of
21289         gen_type_die.
21291 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
21293         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
21294         malloc result type.
21296 2008-01-23 Anatoly Sokolov <aesok@post.ru>
21298         * config/avr/avr.c (avr_current_arch): New variable.
21299         (avr_arch_types): Add 'avr31' and 'avr51' entries.
21300         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
21301         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
21302         (avr_override_options): Init 'avr_current_arch'.
21303         (base_arch_s): Move from here...
21304         * config/avr/avr.h (base_arch_s): ... here. Add new members
21305         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
21306         'mega' to 'have_jmp_call'.
21307         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
21308         "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
21309         macros.
21310         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
21311         architectures.
21312         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
21313         MULTILIB_MATCHES): Ditto.
21315 2008-01-23  Richard Guenther  <rguenther@suse.de>
21317         PR middle-end/31529
21318         * cgraphunit.c (cgraph_reset_node): Always mark the node
21319         not reachable if it is not queued already.
21321 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
21323         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
21324         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
21325         (cputype_selected): New static variable.
21326         (bfin_handle_option): Set it if -mcpu is used.
21327         (override_option): Select default set of workarounds if no cpu type
21328         selected on the command line.
21329         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
21331         From  Michael Frysinger  <michael.frysinger@analog.com>
21332         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
21333         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
21335         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
21336         for bf547, bf523, bf524, and bf526.
21337         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
21338         bf526.
21339         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
21340         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
21341         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
21342         __ADSPBF547__ and __ADSPBF54x__ for bf547.
21343         * doc/invoke.texi (Blackfin Options): Document that
21344         -mcpu now accept bf547, bf523, bf524, and bf526.
21346 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
21348         PR rtl-optimization/34628
21349         * combine.c (try_combine): Stop and undo after the first combination
21350         if an autoincrement side-effect on the first insn has effectively
21351         been lost.
21353 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
21355         PR target/34529
21356         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
21357         Offset addresses are not valid for Altivec or paired float modes.
21359 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
21361         PR c++/34607
21362         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
21363         if DECL_INITIAL (decl) is error_mark_node.
21365         PR c++/34914
21366         * c-common.c (handle_vector_size_attribute): Only allow
21367         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
21368         the same way as pointer, array etc. types.
21369         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
21371         PR c++/34917
21372         * tree.c (build_type_attribute_qual_variant): Call
21373         build_qualified_type if attributes are equal, but quals are not.
21375 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21377         PR 32102
21378         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
21379         * flags.h (warn_strict_aliasing): Remove.
21380         (warn_strict_overflow): Remove.
21381         * opts.c (warn_strict_aliasing): Remove.
21382         (warn_strict_overflow): Remove.
21383         * c-opts.c (c_common_handle_option): -Wall only sets
21384         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
21385         (c_common_post_options): Give default values to -Wstrict-aliasing
21386         and -Wstrict-overflow if they are uninitialized.
21387         * common.opt (Wstrict-aliasing): Specify Var and Init.
21388         (Wstrict-overflow): Likewise.
21390 2008-01-22  Kenneth Zadeck  <zadeck@naturalbridge.com>
21392         PR rtl-optimization/26854
21393         PR rtl-optimization/34400
21394         PR rtl-optimization/34884
21395         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
21396         DF_RD->gen.
21397         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
21398         (df_rd_bb_info.expanded_lr_out): Deleted
21399         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
21400         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
21401         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
21402         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
21403         Removed code to allocate, initialize or free expanded_lr_out.
21404         (df_rd_bb_local_compute_process_def): Restructured to make more
21405         understandable.
21406         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
21407         sets if the sets are being trimmed.
21409 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
21411         PR bootstrap/32287
21412         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
21413         (as_vers): Likewise.
21414         * configure: Regenerated.
21416 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21418         PR middle-end/33092
21419         * tree-pass.h (pass_build_alias): New pass.
21420         * tree-ssa-alias.c (gate_build_alias): New.
21421         (pass_build_alias): New.
21422         * passes.c (init_optimization_passes): Add pass_build_alias after
21423         pass_create_structure_vars.
21425 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
21427         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
21428         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
21429         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
21430         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
21431         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
21432         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
21433         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
21434         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
21435         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
21436         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
21437         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
21438         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
21439         * config/s390/s390.md (FP_ALL): New mode iterator.
21440         (_d): New mode attribute.
21441         ("*signbit<mode>2>"): Changed mode of first operand.
21442         ("isinf<mode>2"): Changed mode of first operand.
21443         ("*TDC_insn"): Adaptation for DFP modes.
21445 2008-01-22  Ben Elliston  <bje@au.ibm.com>
21447         * tree.c (check_qualified_type): Improve function description.
21449 2008-01-21  Jason Merrill  <jason@redhat.com>
21451         PR c++/34196
21452         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
21453         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
21454         if it is set.
21456 2008-01-21  DJ Delorie  <dj@redhat.com>
21458         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
21459         return zero.
21461 2008-01-21  Richard Guenther  <rguenther@suse.de>
21463         PR middle-end/34856
21464         * tree-cfg.c (verify_expr): Allow all invariant expressions
21465         instead of just constant class ones as reference argument.
21466         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
21467         like any other constant.
21468         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
21470 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
21472         * regmove.c (fixup_match_1): Update call crossed frequencies.
21474 2008-01-21  Richard Guenther  <rguenther@suse.de>
21476         PR c/34885
21477         * tree-inline.c (setup_one_parameter): Deal with mismatched
21478         types using a VIEW_CONVERT_EXPR.
21480 2008-01-21  Alon Dayan  <alond@il.ibm.com>
21481             Olga Golovanevsky  <olga@il.ibm.com>
21483         PR tree-optimization/34701
21484         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
21485         when the structure size is not a power of 2.
21487 2008-01-20  Kenneth Zadeck  <zadeck@naturalbridge.com>
21489         * doc/install.texi: Add doc for --enable-checking=df.
21491 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
21493         PR rtl-optimization/34808
21494         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
21496 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
21498         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
21499         input.
21501 2008-01-19  Kenneth Zadeck  <zadeck@naturalbridge.com>
21503         PR rtl-optimization/26854
21504         PR rtl-optimization/34400
21505         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
21506         DF_RD->gen.
21507         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
21508         (df_rd_bb_info.expanded_lr_out): New.
21509         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
21510         * loop_iv.c (iv_analysis_loop_init): Ditto.
21511         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
21512         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
21513         Added code to allocate, initialize or free expanded_lr_out.
21514         (df_rd_bb_local_compute_process_def): Restructured to make
21515         more understandable.
21516         (df_rd_confluence_n): Add code to do nothing with fake edges and
21517         code to no apply invalidate_by_call sets if the sets are being trimmed.
21518         (df_lr_local_finalize): Renamed to df_lr_finalize.
21519         (df_live_local_finalize): Renamed to df_live_finalize.
21521 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
21523         PR target/34831
21524         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
21525         deciding whether to use reciprocal instructions.
21527 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
21529         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
21530         dwarf2out_note_section_used if cold_text_section is NULL.
21532 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
21534         PR gcov-profile/34610
21535         * tree-cfg.c (make_edges): Mark both outgoing edges from
21536         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
21537         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
21538         from OMP_FOR and OMP_CONTINUE outgoing edges.
21540         * tree-profile.c (tree_profiling): Return early if
21541         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
21542         at the end.
21543         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
21544         from cfun to child_cfun.
21545         * function.h (struct function): Add after_tree_profile bit.
21547 2008-01-19 Anatoly Sokolov <aesok@post.ru>
21549         * config/avr/avr.S (_exit): Disable interrupt.
21551 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
21552             Steven Bosscher  <stevenb.gcc@gmail.com>
21554         PR rtl-optimization/26854
21555         PR rtl-optimization/34400
21556         * df-problems.c (df_live_scratch): New scratch bitmap.
21557         (df_live_alloc): Allocate df_live_scratch when doing df_live.
21558         (df_live_reset): Clear the proper bitmaps.
21559         (df_live_bb_local_compute): Only process the artificial defs once
21560         since the order is not important.
21561         (df_live_init): Init the df_live sets only with the variables
21562         found live by df_lr.
21563         (df_live_transfer_function): Use the df_lr sets to prune the
21564         df_live sets as they are being computed.
21565         (df_live_free): Free df_live_scratch.
21567 2008-01-18  Ian Lance Taylor  <iant@google.com>
21569         * common.opt: Add fmerge-debug-strings.
21570         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
21571         flag_merge_debug_strings rather than flag_merge_constants.
21572         * doc/invoke.texi (Option Summary): Mention
21573         -fmerge-debug-strings.
21574         (Debugging Options): Document -fmerge-debug-strings.
21576 2008-01-18  Ian Lance Taylor  <iant@google.com>
21578         PR c++/33407
21579         * tree.h (DECL_IS_OPERATOR_NEW): Define.
21580         (struct tree_function_decl): Add new field operator_new_flag.
21581         * tree-inline.c (expand_call_inline): When inlining a call to
21582         operator new, force the return value to go into a variable, and
21583         set DECL_NO_TBAA_P on that variable.
21584         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
21586 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
21588         PR debug/34484
21589         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
21590         DWARF2_DEBUGGING_INFO.
21591         (dwarf2out_note_section_used): Ditto.  Add prototype.
21592         (have_multiple_function_sections, text_section_used,
21593         cold_text_section_used, *cold_text_sections): Move declarations
21594         before their uses.
21596 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
21598         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
21599         field and add signal_ra.
21600         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
21601         assignments to frame state pc.  Move end of stack check after
21602         MD_FALLBACK_FRAME_STATE_FOR.
21603         (uw_update_context_1): Use frame state signal_regs if set, instead
21604         of checking signal_frame flag.
21605         (uw_update_context): Use frame state signal_ra if set.
21606         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
21607         * config/xtensa/linux-unwind.h: New file.
21609 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
21611         * modulo-sched.c (get_sched_window): Fix comment typo.
21613 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
21615         PR tree-optimization/34648
21616         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
21618 2008-01-17  Anatoly Sokolov <aesok@post.ru>
21620         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
21621         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
21623 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
21625         PR rtl-optimization/34400
21626         * df-core.c (df_worklist_dataflow_overeager,
21627         df_worklist_dataflow_doublequeue): New functions.
21628         (df_worklist_dataflow): Two different worklist solvers.
21629         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
21630         New param.
21632 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21634         PR testsuite/34821
21635         * doc/invoke.texi: Document the dependence on pthread for fopenmp
21636         and ftree-parallelize-loops.
21638 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
21640         PR rtl-optimization/34826
21641         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
21643 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
21645         * global.c (find_reg): Mark the eh regs as used if necessary.
21646         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
21647         * ra.h (struct allocno): no_eh_reg field added.  Changed
21648         no_stack_reg type to bitfield.
21650 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
21652         * tree.c (substitute_in_expr): Add missing 'break'.
21654 2008-01-17  Richard Guenther  <rguenther@suse.de>
21656         PR tree-optimization/34825
21657         * tree-ssa-math-opts.c (is_division_by): Do not recognize
21658         x / x as division to handle.
21660 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21662         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
21663         "-pthread" is specified.
21664         * pa-hpux11.h (LIB_SPEC): Likewise.
21666 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
21667             Peter Bergner  <bergner@vnet.ibm.com>
21669         PR rtl-optimization/33796
21670         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
21672 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21674         PR libgfortran/34699
21675         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
21676         static links.
21677         * pa-hpux10.h (LINK_SPEC): Likewise.
21678         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
21680 2008-01-16  Richard Guenther  <rguenther@suse.de>
21682         PR middle-end/32628
21683         * fold-const.c (fold_convert_const_int_from_int): Do not
21684         set overflow if that occured only because of a sign extension
21685         change when converting from/to a sizetype with the same
21686         precision and signedness.
21688 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
21690         PR debug/34249
21691         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
21692         location address to the correct place.  Update copyright year.
21694 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21696         * lambda-code.c (lambda_transform_legal_p): Handle the case of
21697         no dependences in the dependence_relations vector.
21699 2008-01-16  Jan Hubicka  <jh@suse.cz>
21701         PR rtl-optimization/31396
21702         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
21703         * cfg.c (dump_reg_info): Print it.
21704         * regs.h (struct reg_info_t): add freq_calls_crossed.
21705         (REG_FREQ_CALLS_CROSSED): New macro.
21706         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
21707         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
21708         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
21709         regmove_optimize): Update call crossed frequencies.
21710         * local-alloc.c (struct qty): Add freq_calls_crossed.
21711         (alloc_qty): Copute freq_calls_crossed.
21712         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
21713         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
21714         * ra.h (struct allocno): Add freq_calls_crossed.
21716 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21718         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
21719         libgomp when compiling with ftree-parallelize-loops.
21720         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
21722 2008-01-16  Richard Guenther  <rguenther@suse.de>
21724         PR tree-optimization/34769
21725         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
21726         * tree.c (int_cst_value): Instead make this function more
21727         permissive in what it accepts as valid input.  Document this
21728         function always sign-extends the value.
21730 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
21731             Richard Guenther  <rguenther@suse.de>
21733         PR c/34668
21734         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
21735         (gimple_fold_indirect_ref_rhs): ... this.
21736         (gimple_fold_indirect_ref): New function with foldings
21737         that preserve lvalueness.
21738         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
21739         * tree-flow.h (gimple_fold_indirect_ref): Declare.
21740         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
21741         to fold an INDIRECT_REF, fall back to the old use of
21742         fold_indirect_ref_1.
21744 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
21746         * tree-data-ref.c (subscript_dependence_tester_1): Call
21747         free_conflict_function.
21748         (compute_self_dependence): Same.
21750 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
21752         PR debug/34249
21753         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
21754         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
21755         function global.
21756         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
21757         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
21758         for DWARF2_UNWIND_INFO targets.
21760 2008-01-16  Richard Guenther  <rguenther@suse.de>
21762         PR c/34768
21763         * c-typeck.c (common_pointer_type): Do not merge inconsistent
21764         type qualifiers for function types.
21766 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
21768         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
21769         loop_iterator li from previous commit.
21771 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
21773         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
21775 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
21777         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
21778         (parallelize_loops): Don't parallelize irreducible components.
21780 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
21782         PR c++/24924
21783         * c-opts (c_common_post_options): Do not enable CPP
21784         flag_pedantic_errors by default.
21786 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
21788         PR rtl-optimization/31944
21789         * cse.c (remove_pseudo_from_table): New function.
21790         (merge_equiv_classes): Use above function to remove pseudo-registers.
21791         (invalidate): Likewise.
21793 2008-01-13  Richard Guenther  <rguenther@suse.de>
21795         PR middle-end/34601
21796         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
21797         instead of TYPE_MODE to deal with calls from expand_one_error_var.
21799 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
21801         * gcse.c (cprop_jump): Call validate_unshare_change instead of
21802         validate_change to unshare the source of the PC set.
21804 2008-01-12  Jan Hubicka  <jh@suse.cz>
21806         PR middle-end/32135
21807         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
21808         references above array bounds.  This might trigger bounds checks for
21809         pointers to arrays.
21811 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
21813         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
21814         new_replaceable_dependencies.
21816 2008-01-12  Doug Kwan  <dougkwan@google.com>
21818         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
21819         instead of OPT_Wreturn_type in warning due to ignored return type
21820         qualifiers.
21821         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
21822         options included in -Wextra.
21823         * c.opt: New option -Wignored_qualifiers.
21824         * doc/invoke.texi (Warning Options, -Wextra): Add new option
21825         -Wignore_qualifiers.
21826         (-Wignored-qualifiers): Document.
21827         (-Wreturn-type): Remove description of functionality now handled
21828         by -Wignored-qualifiers.
21830 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
21832         PR ada/33788
21833         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
21834         NOP_EXPR if it is between integral types with the same precision.
21836 2008-01-12  Jan Hubicka  <jh@suse.cz>
21838         PR other/28023
21839         * invoke.texi (max-inline-recursive-depth): Fix default value.
21841 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
21843         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
21844         correct type.
21846 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
21848         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
21850 2008-01-11  James E. Wilson  <wilson@specifix.com>
21852         PR target/26015
21853         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
21855 2008-01-11  Anatoly Sokolov <aesok@post.ru>
21857         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
21858         save/restore frame pointer register and don't use 'call-prologues'
21859         optimization in function with "OS_task" attribute.
21861 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
21863         PR middle-end/31309
21864         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
21865         when copying to memory.
21867 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
21869         PR rtl-optimization/30905
21870         * cfgcleanup.c: Include dce.h
21871         (crossjumps_occured): New global variable.
21872         (try_crossjump_bb): Exit loop after finding a fallthru edge.
21873         If something changed, set crossjumps_occured to true.
21874         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
21875         Don't add/remove fake edges to exit here...
21876         (cleanup_cfg): ...but do it here, when crossjumping.
21877         Run a fast DCE when successful crossjumps occured in the latest
21878         iteration of try_optimize_cfg.
21880 2008-01-11  Richard Guenther  <rguenther@suse.de>
21882         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
21883         (struct vn_unary_op_s): Likewise.
21884         (vn_reference_insert): Free old reference on hash collision.
21886 2008-01-10  Raksit Ashok  <raksit@google.com>
21888         PR rtl-optimization/27971
21889         * combine.c (find_split_point): Split PLUS expressions which are
21890         inside a MEM rtx, and whose first operand is complex.
21892 2008-01-10  DJ Delorie  <dj@redhat.com>
21894         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
21895         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
21896         (m32c_hard_regno_ok): Call the underlying function.
21898 2008-01-10  Richard Guenther  <rguenther@suse.de>
21900         PR middle-end/34683
21901         * tree-cfg.c (tree_merge_blocks): Do not go through the
21902         full-blown folding and stmt updating path if we just deal
21903         with virtual operands.
21904         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
21905         test for abnormal SSA_NAMEs.
21907 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
21909         PR middle-end/34641
21910         * reload.c (push_reload): Add assertions.  All constants from
21911         reg_equiv_constant should have been used for replacing the respective
21912         pseudo earlier.
21913         (find_reloads_address): Invoke find_reloads_address_part for
21914         constant taken from the reg_equiv_constant array.
21916 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
21918         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
21919         field (valnum) the first in the struct.  Replace bools with
21920         unit bit fields.
21922 2008-01-10  Richard Guenther  <rguenther@suse.de>
21924         PR tree-optimization/34651
21925         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
21926         types and ordering for masking and converting.
21928 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
21930         PR tree-optimization/34017
21931         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
21932         also for PHI_NODE expressions.
21934 2008-01-09  Jan Hubicka  <jh@suse.cz>
21936         PR tree-optimization/34708
21937         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
21938         based on number of case labels.
21939         (init_inline_once): Remove switch_cost.
21940         * tree-inline.h (eni_weights_d): Remove switch_cost.
21942 2008-01-09  Richard Guenther  <rguenther@suse.de>
21943         Andrew Pinski  <andrew_pinski@playstation.sony.com>
21945         PR middle-end/30132
21946         * gimplify.c (gimplify_cond_expr): Do not create an addressable
21947         temporary if an rvalue is ok or an lvalue is not required.
21949 2008-01-09  Richard Guenther  <rguenther@suse.de>
21951         PR middle-end/34458
21952         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
21953         adjust return type.
21955 2008-01-09  Richard Guenther  <rguenther@suse.de>
21957         PR middle-end/34679
21958         * tree.c (host_integerp): Check for sizetype only if the
21959         type is an integer type.
21961 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
21963         PR debug/26364
21964         * opts.c (decode_options): Disable inlining of functions called
21965         once if not in unit-at-a-time mode.
21967 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
21969         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
21971 2008-01-08  Richard Guenther  <rguenther@suse.de>
21973         PR middle-end/31863
21974         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
21975         out early if the result will be unused.
21977 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
21979         PR target/34709
21980         Revert:
21982         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
21983         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
21984         for TARGET_RECIP.
21986 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
21988         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
21989         for vectorization tuned.
21991 2008-01-08  Richard Guenther  <rguenther@suse.de>
21993         PR tree-optimization/34683
21994         * tree-ssa-operands.c (operand_build_cmp): Export.
21995         * tree-ssa-operands.h (operand_build_cmp): Declare.
21996         * tree-vn.c (vuses_compare): Remove.
21997         (sort_vuses): Use operand_build_cmp.
21998         (sort_vuses_heap): Likewise.
21999         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
22000         to re-use old VEC if available.  Do not sort already sorted VUSEs.
22001         (vdefs_to_vec): Do not sort already sorted VDEFs.
22003 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
22005         PR middle-end/34694
22006         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
22008 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
22010         PR target/34702
22011         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
22012         limitations of reciprocal sequences on x86 targets.
22014 2008-01-08  Richard Guenther  <rguenther@suse.de>
22016         PR tree-optimization/34683
22017         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
22019 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
22021         PR target/34622
22022         * config/darwin.c (darwin_mergeable_string_section): Don't use
22023         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
22025 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
22027         PR target/34682
22028         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
22029         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
22030         predicates of op0 and op1 to register_operand.
22031         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
22032         expander using X87MODEF mode iterator.  Change predicates of
22033         op0 and op1 to register_operand.
22034         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
22035         corresponding patterns and macroize using MODEF macro.  Change
22036         predicates of op0 and op1 to register_operand and remove
22037         "m" constraint. Disparage "r" alternative with "!".
22038         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
22039         macroize using X87MODEF macro.  Change predicates of op0 and op1
22040         to register_operand and remove "m" constraint.  Disparage "r"
22041         alternative with "!".
22042         (absneg splitter with memory operands): Remove.
22043         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
22044         patterns and macroize using X87MODEF mode iterator.
22045         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
22046         Change predicate of op1 to register_operand.
22047         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
22048         for memory operands.
22050 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
22052         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
22054 2008-01-07  Richard Guenther  <rguenther@suse.de>
22056         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
22057         fields.
22059 2008-01-07  Richard Guenther  <rguenther@suse.de>
22061         PR tree-optimization/34683
22062         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
22063         VOPs of the needed size to save memory.  Use VEC_quick_push
22064         to save compile-time.
22065         (vdefs_to_vec): Likewise.
22067 2008-01-07  Sa Liu  <saliu@de.ibm.com>
22069         * config/spu/spu.md (divdf3): Genetate inline code for double
22070         division.  The implementation doesn't handle INF or NAN, therefore it
22071         only applies when -ffinite-math-only is given.
22073 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
22075         PR libstdc++/34680
22076         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
22077         * doc/cpp.texi ([Common Predefined Macros]): Document.
22079 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
22081         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
22082         order to use commutative addition instead of subtraction.
22084 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
22085             Mircea Namolaru  <namolaru@il.ibm.com>
22086             Vladimir Yanovsky  <yanov@il.ibm.com>
22087             Revital Eres  <eres@il.ibm.com>
22089         PR tree-optimization/34263
22090         * tree-outof-ssa.c (process_single_block_loop_latch,
22091         contains_tree_r): New functions.
22092         (analyze_edges_for_bb): Call process_single_block_loop_latch
22093         function to empty single-basic-block latch block if possible.
22095 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
22097         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
22098         for TARGET_RECIP.
22099         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
22101 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
22103         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
22105 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
22107         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
22109 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
22111         PR tree-optimization/34618
22112         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
22113         flag from T.
22115 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
22117         PR target/34673
22118         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
22119         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
22120         Update copyright year.
22122         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
22123         Update copyright year.
22124         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
22125         using NR fixup.
22127 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
22129         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
22130         edge does not point to current bb before changing need_assert.
22132 2008-01-04  Richard Guenther  <rguenther@suse.de>
22134         PR middle-end/34029
22135         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
22136         for verifying purposes if they are is_gimple_min_invariant.
22138 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
22140         PR tree-optimization/34448
22141         PR tree-optimization/34465
22142         * gimplify.c (gimplify_init_constructor): Add new parameter
22143         notify_temp_creation.  Use it.
22144         (gimplify_modify_expr_rhs): Take volatiles into account when
22145         optimizing constructors.
22146         Do not optimize constructors if gimplify_init_constructor will dump to
22147         memory.
22148         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
22149         * gcc.c-torture/compile/pr34448.c: New.
22151 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
22153         PR gcov-profile/34609
22154         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
22155         return_slot if result is TREE_ADDRESSABLE.
22157 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
22159         * config/mips/mips.md (sqrt_condition): Tweak comment.
22160         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
22162 2008-01-03  Tom Tromey  <tromey@redhat.com>
22164         PR c/34457
22165         * c-common.c (c_type_hash): Handle VLAs.
22167 2008-01-03  Jan Hubicka  <jh@suse.cz>
22169         PR tree-optimization/31081
22170         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
22171         0 when inlining and not inlining to first basic block.
22172         (remap_decl): When var is initialized to 0, don't set default_def.
22173         (expand_call_inline): Set entry_bb.
22174         * tree-inline.h (copy_body_data): Add entry_bb.
22176 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
22178         PR c++/34619
22179         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
22180         before returning.
22182         PR tree-optimization/29484
22183         * tree-inline.c (inline_forbidden_p_2): New function.
22184         (inline_forbidden_p): Disallow inlining if some static var
22185         has an address of a local LABEL_DECL in its initializer.
22186         * doc/extend.texi (Labels as Values): Document &&foo behaviour
22187         vs. inlining.
22189 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
22191         PR tree-optimization/34635
22192         * tree-data-ref.c (add_other_self_distances): Make sure that the
22193         evolution step is constant.
22195 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
22197         PR middle-end/34608
22198         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
22200 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
22202         * tree-sra.c (scalarize_init): Insert the generate_element_init
22203         statements after the generate_element_zero statements.
22205 2008-01-02  Richard Guenther  <rguenther@suse.de>
22207         PR middle-end/34093
22208         PR middle-end/31976
22209         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
22210         for very large number of operands instead of ICEing.
22212 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
22214         PR target/34013
22215         * config/i386/i386.c (ix86_expand_prologue): Save red-zone
22216         while stack probing.
22218 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
22220         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
22221         in C++0x mode.
22223 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
22225         PR libmudflap/26442
22226         * tree-mudflap.c (mx_register_decls): Guard warning by
22227         !DECL_ARTIFICIAL check.
22229 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
22231         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
22232         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
22233         sse5_perm<mode>): Fix constraints.