1 2008-04-25 Jan Hubicka <jh@suse.cz>
4 * cfgexpand.c (pass_expand): Turn into RTL pass.
5 * passes.c (execute_one_pass): Do pass typechecking after execution.
6 * tree-pass.h (pass_expand): Turn into RTL pass.
8 * function.h (struct rtl_data): Move here fields
9 accesses_prior_frames, calls_eh_return, saves_all_registers,
10 has_nonlocal_goto, has_asm_statement, is_thunk,
11 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
12 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
13 arg_pointer_save_area_init from struct function; turn into bool.
14 (struct function): Move
15 calls_eh_return, saves_all_registers, has_nonlocal_goto,
16 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
17 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
18 tail_call_emit, arg_pointer_save_area_init
19 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
20 (current_function_returns_struct, current_function_returns_pcc_struct,
21 current_function_calls_setjmp, current_function_calls_alloca,
22 current_function_accesses_prior_frames,
23 current_function_calls_eh_return, current_function_is_thunk,
24 current_function_stdarg, current_function_profile,
25 current_function_limit_stack, current_function_uses_pic_offset_table,
26 current_function_uses_const_pool, current_function_has_nonlocal_label,
27 current_function_saves_all_registers,
28 current_function_has_nonlocal_goto,
29 current_function_has_asm_statement): Remove accesor macros.
30 * ra-conflict.c (global_conflicts): Update.
31 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
32 (suitable_for_tail_call_opt_p): Update.
33 * builtins.c (expand_builtin_return_addr): Update.
34 (expand_builtin_setjmp_setup): Update.
35 (expand_builtin_nonlocal_goto): Update.
36 * final.c (final_start_function): Update.
37 (profile_function): Update.
38 (leaf_function_p): Update.
39 (only_leaf_regs_used): Update.
40 * df-scan.c (df_get_exit_block_use_set): Update.
41 * dojump.c (clear_pending_stack_adjust): Update.
42 * tree-stdarg.c (gate_optimize_stdarg): Update.
43 * gimple-low.c (lower_function_body): Update.
44 * global.c (compute_regsets): Update.
45 (global_alloc): Update.
46 * dwarf2out.c (dwarf2out_begin_prologue): Update.
47 * expr.c (expand_assignment): Update.
48 * dse.c (dse_step0): Update.
50 * c-decl.c (store_parm_decls): Update.
51 * local-alloc.c (combine_regs): Update.
52 (find_free_reg): Update.
53 * function.c (assign_parms_augmented_arg_list): Update.
54 (assign_parm_find_data_types): Update.
55 (assign_parms): Update.
56 (allocate_struct_function): Update.
57 (expand_function_start): Update.
58 (expand_function_end): Update.
59 (get_arg_pointer_save_area): Update.
60 (thread_prologue_and_epilogue_insns): Update.
61 (rest_of_match_asm_constraints): Update.
62 * stor-layout.c (variable_size): Update.
63 * gcse.c (gcse_main): Update.
64 (bypass_jumps): Update.
65 * gimplify.c (gimplify_function_tree): Update.
66 * calls.c (emit_call_1): Update.
67 (expand_call): Update.
68 * bt-load.c (compute_defs_uses_and_gen): Update.
69 * except.c (sjlj_assign_call_site_values): Update.
70 (sjlj_emit_function_enter): Update.
71 (can_throw_external): Update.
72 (set_nothrow_function_flags): Update.
73 (expand_builtin_unwind_init): Update.
74 (expand_eh_return): Update.
75 (convert_to_eh_region_ranges): Update.
76 (output_function_exception_table): Update.
77 * emit-rtl.c (gen_tmp_stack_mem): Update.
78 * cfgexpand.c (expand_used_vars): Update.
79 (tree_expand_cfg): Update.
80 * cfgcleanup.c (rest_of_handle_jump): Update.
81 * explow.c (allocate_dynamic_stack_space): Update.
82 * varasm.c (assemble_start_function): Update.
83 (force_const_mem): Update.
84 (mark_constant_pool): Update.
85 * tree-optimize.c (tree_rest_of_compilation): Update.
86 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
87 * tree-cfg.c (notice_special_calls): Update.
88 (is_ctrl_altering_stmt): Update.
89 (tree_can_make_abnormal_goto): Update.
90 (tree_purge_dead_abnormal_call_edges): Update.
91 * config/alpha/predicates.md: Update.
92 * config/alpha/alpha.c (alpha_sa_mask): Update.
93 (alpha_sa_size): Update.
94 (alpha_does_function_need_gp): Update.
95 (alpha_expand_prologue): Update.
96 (alpha_start_function): Update.
97 (alpha_output_function_end_prologue): Update.
98 (alpha_expand_epilogue): Update.
99 * config/frv/frv.c (frv_stack_info): Update.
100 (frv_expand_epilogue): Update.
101 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
102 (s390_register_info): Update.
103 (s390_frame_info): Update.
104 (s390_init_frame_layout): Update.
105 (s390_can_eliminate): Update.
107 * config/spu/spu.c (spu_split_immediate): Update.
108 (need_to_save_reg): Update.
109 (spu_expand_prologue): Update.
110 (spu_expand_epilogue): Update.
111 * config/sparc/sparc.md: Update.
112 * config/sparc/sparc.c (eligible_for_return_delay): Update.
113 (sparc_tls_got): Update.
114 (legitimize_pic_address): Update.
115 (sparc_emit_call_insn): Update.
116 (sparc_expand_prologue): Update.
117 (output_return): Update.
118 (print_operand): Update.
119 (sparc_function_ok_for_sibcall): Update.
120 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
121 * config/m32r/m32r.md: Update.
122 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
123 (m32r_compute_frame_size): Update.
124 (m32r_expand_prologue): Update.
125 (m32r_expand_epilogue): Update.
126 (m32r_legitimize_pic_address): Update.
127 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
128 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
129 * config/i386/i386.c (ix86_frame_pointer_required): Update.
131 (ix86_save_reg): Update.
132 (ix86_compute_frame_layout): Update.
133 (ix86_expand_prologue): Update.
134 (ix86_expand_epilogue): Update.
135 * config/sh/sh.c (output_stack_adjust): Update.
136 (calc_live_regs): Update.
137 (sh5_schedule_saves): Update.
138 (sh_expand_prologue): Update.
139 (sh_expand_epilogue): Update.
140 (sh_setup_incoming_varargs): Update.
141 (sh_allocate_initial_value): Update.
142 (sh_get_pr_initial_val): Update.
143 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
144 * config/sh/sh.md (label:): Update.
145 * config/avr/avr.c (out_movhi_mr_r): Update.
146 * config/crx/crx.h (enum): Update.
147 * config/xtensa/xtensa.h (along): Update.
148 * config/stormy16/stormy16.c Update.
149 (xstormy16_compute_stack_layout): Update.
150 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
151 (fr30_expand_prologue): Update.
152 * config/cris/cris.c (cris_conditional_register_usage): Update.
153 (cris_reg_saved_in_regsave_area): Update.
154 (cris_initial_frame_pointer_offset): Update.
155 (cris_simple_epilogue): Update.
156 (cris_expand_prologue): Update.
157 (cris_expand_epilogue): Update.
158 (cris_expand_pic_call_address): Update.
159 (cris_asm_output_symbol_ref): Update.
160 (cris_asm_output_label_ref): Update.
161 * config/cris/cris.md Update.
162 * config/iq2000/iq2000.c (compute_frame_size): Update.
163 (iq2000_expand_epilogue): Update.
164 * config/mt/mt.h (save_direction): Update.
165 * config/mn10300/mn10300.c (mn10300_function_value): Update.
166 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
167 (ia64_secondary_reload_class): Update.
168 * config/m68k/m68k.c (m68k_save_reg): Update.
169 (m68k_expand_prologue): Update.
170 (m68k_expand_epilogue): Update.
171 (legitimize_pic_address): Update.
172 * config/rs6000/rs6000.c (rs6000_got_register): Update.
173 (first_reg_to_save): Update.
174 (first_altivec_reg_to_save): Update.
175 (compute_vrsave_mask): Update.
176 (compute_save_world_info): Update.
177 (rs6000_stack_info): Update.
178 (spe_func_has_64bit_regs_p): Update.
179 (rs6000_ra_ever_killed): Update.
180 (rs6000_emit_eh_reg_restore): Update.
181 (rs6000_emit_allocate_stack): Update.
182 (rs6000_emit_prologue): Update.
183 (rs6000_emit_epilogue): Update.
184 (rs6000_output_function_epilogue): Update.
185 (output_profile_hook): Update.
186 (rs6000_elf_declare_function_name): Update.
187 * config/rs6000/rs6000.h (rs6000_args): Update.
188 * config/rs6000/rs6000.md: Update.
189 * config/mcore/mcore.c (mcore_expand_prolog): Update.
190 * config/arc/arc.c (arc_output_function_epilogue): Update.
191 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
192 * config/darwin.c (machopic_function_base_name): Update.
193 * config/score/score3.c (score3_compute_frame_size): Update.
196 (score3_epilogue): Update.
197 * config/score/score7.c (score7_compute_frame_size): Update.
198 (score7_prologue): Update.
199 (score7_epilogue): Update.
200 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
201 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
202 * config/arm/arm.c (use_return_insn): Update.
203 (require_pic_register): Update.
204 (arm_load_pic_register): Update.
205 (arm_compute_save_reg0_reg12_mask): Update.
206 (arm_compute_save_reg_mask): Update.
207 (thumb1_compute_save_reg_mask): Update.
208 (output_return_instruction): Update.
209 (arm_output_function_prologue): Update.
210 (arm_output_epilogue): Update.
211 (arm_get_frame_offsets): Update.
212 (arm_expand_prologue): Update.
213 (thumb_pushpop): Update.
214 (thumb_exit): Update.
215 (thumb1_expand_prologue): Update.
216 (thumb1_expand_epilogue): Update.
217 (arm_unwind_emit): Update.
218 (arm_output_fn_unwind): Update.
219 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
220 * config/arm/arm.md: Update.
221 * config/pa/pa.md: Update.
222 * config/pa/pa.c (legitimize_pic_address): Update.
223 (compute_frame_size): Update.
224 (hppa_expand_prologue): Update.
225 (hppa_expand_epilogue): Update.
226 (borx_reg_operand): Update.
227 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
228 (HARD_REGNO_RENAME_OK): Update.
229 * config/mips/mips.c (mips_global_pointer): Update.
230 (mips_save_reg_p): Update.
231 (mips_compute_frame_info): Update.
232 (mips_frame_pointer_required): Update.
233 (mips_expand_prologue): Update.
234 (mips_expand_epilogue): Update.
235 (mips_can_use_return_insn): Update.
236 (mips_reorg_process_insns): Update.
237 * config/v850/v850.c (compute_register_save_size): Update.
238 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
239 * config/mmix/mmix.c (along): Update.
240 (mmix_expand_epilogue): Update.
241 * config/bfin/bfin.c (legitimize_pic_address): Update.
242 (must_save_p): Update.
243 (stack_frame_needed_p): Update.
244 (add_to_reg): Update.
245 (bfin_expand_prologue): Update.
246 * stmt.c (expand_asm_operands): Update.
247 * reload1.c (reload): Update.
248 (init_elim_table): Update.
250 2008-04-25 Bob Wilson <bob.wilson@acm.org>
252 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
254 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
256 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with
258 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
259 (mov<mode>): Removed.
260 (*movv4sf_internal): Likewise.
261 (*movv2df_internal): Likewise.
263 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
265 * config.gcc (crx-*-elf): Remove deprecation.
267 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
269 * config/i386/cygming-crtend.c (register_frame_ctor): Register
270 __gcc_deregister_frame with atexit.
271 (deregister_frame_dtor): Remove.
273 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
274 Nathan Sidwell <nathan@codesourcery.com>
276 * config/rs6000/rs6000.opt (mspe): Remove Var property.
278 * config/rs6000/rs6000.h (rs6000_spe): Declare.
279 (rs6000_isel): Likewise.
280 * config/rs6000/rs6000.c (rs6000_spe): New variable.
281 (rs6000_isel): New variable.
282 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
284 2008-04-24 Jakub Jelinek <jakub@redhat.com>
287 * c-common.c (handle_vector_size_attribute): Call
288 lang_hooks.types.reconstruct_complex_type instead of
289 reconstruct_complex_type.
290 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
291 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
292 * langhooks.h (struct lang_hooks_for_types): Add
293 reconstruct_complex_type hook.
294 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
295 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
297 2008-04-24 Richard Guenther <rguenther@suse.de>
299 * c-common.h (check_builtin_function_arguments): Declare.
300 * c-common.c (validate_nargs): New function.
301 (check_builtin_function_arguments): Likewise.
302 * c-typeck.c (build_function_call): Call
303 check_builtin_function_arguments.
304 * builtins.c (fold_builtin_classify): Remove error reporting code.
305 (fold_builtin_unordered_cmp): Likewise.
306 (fold_builtin_1): Likewise.
307 (fold_builtin_n): Likewise.
309 2008-04-24 Jakub Jelinek <jakub@redhat.com>
311 PR tree-optimization/36008
312 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
313 the original op1, rather than delta by step.
315 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
316 Sebastian Pop <sebastian.pop@amd.com>
318 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
319 eliminate_local_variables_stmt, eliminate_local_variables,
320 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
321 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
322 of code delimited by two edges in the CFG.
323 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
324 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
325 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
326 the case of parallelisation of reductions.
327 (expr_invariant_in_region_p): New.
329 * tree-flow.h (gather_blocks_in_sese_region): Declared.
330 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
332 2008-04-24 Ira Rosen <irar@il.ibm.com>
333 Richard Guenther <rguenther@suse.de>
335 PR tree-optimization/36034
336 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
337 incapable of dealing with loads with gaps.
339 2008-04-24 Rafael Espindola <espindola@google.com>
341 * tree-flow.h (vrp_evaluate_conditional): Change signature.
342 * tree-ssa-propagate.c (fold_predicate_in): Update call to
343 vrp_evaluate_conditional.
344 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
345 (vrp_evaluate_conditional): Split the cond argument.
346 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
347 (simplify_stmt_for_jump_threading): Update call to
348 vrp_evaluate_conditional.
350 2008-04-24 Ira Rosen <irar@il.ibm.com>
352 PR tree-optimization/35982
353 * tree-vect-analyze.c (vect_check_interleaving): Check that the
354 interleaved data-refs are of the same type.
356 2008-04-24 Danny Smith <dannysmith@users.net>
358 * c-format.c (check_format_info_main): Use strncmp rather than a
359 magic prefix to handle multichar length specs.
360 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
361 Don't prefix "I64" and "I32" with '\0'.
363 2008-04-24 Jakub Jelinek <jakub@redhat.com>
366 * config/i386/i386.c (init_cumulative_args): Don't pass anything
367 in registers for -m32 only if stdarg_p (fntype).
369 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
371 PR rtl-optimization/36006
372 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
373 temp to op0 in order to avoid invalid rtx sharing.
375 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
377 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
378 check TREE_INVARIANT.
379 * tree-gimple.c (is_gimple_address): New.
380 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
381 * tree-gimple.h (is_gimple_address): New.
382 * tree.h (decl_address_invariant_p): New.
383 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
384 (build_string): Likewise.
385 (decl_address_invariant_p): New, from is_gimple_invariant_address.
386 (tree_invariant_p_1): Likewise.
388 (tree_invariant_p): New.
389 (skip_simple_arithmetic): Use it.
390 (stabilize_reference_1): Use it.
391 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
393 (build1_stat): Drop code to compute TREE_INVARIANT.
394 (build2_stat): Drop code to compute TREE_INVARIANT.
395 (build3_stat): Drop code to compute TREE_INVARIANT.
396 (build4_stat): Drop code to compute TREE_INVARIANT.
397 (build5_stat): Drop code to compute TREE_INVARIANT.
398 (build7_stat): Drop code to compute TREE_INVARIANT.
399 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
400 * tree.h (struct tree_base): Remove invariant_flag.
401 (TREE_INVARIANT): Remove.
402 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
403 (fold_builtin_expect): Check TREE_CONSTANT.
404 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
405 * c-tree.h (c_expr_to_decl): Drop third parameter.
406 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
407 (build_c_cast): Don't set TREE_INVARIANT.
408 (pop_init_level): Don't set TREE_INVARIANT.
409 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
410 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
412 (gimplify_init_constructor): Don't set TREE_INVARIANT.
413 (gimplify_addr_expr): Adjust comment.
414 * tree-mudflap.c (mf_build_string):
415 * print-tree.c (print_node): Don't print TREE_INVARIANT.
416 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
417 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
418 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
419 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
420 * langhooks.h (struct lang_hooks): Drop third parameter from
423 2008-04-23 Richard Guenther <rguenther@suse.de>
425 PR tree-optimization/27799
426 PR tree-optimization/32921
427 PR tree-optimization/32624
428 * tree-ssa-structalias.c (merge_smts_into): Only merge the
429 SMTs aliases and the tag itself into the solution.
430 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
431 merge the points-to solution back into the SMT aliases.
432 (may_alias_p): Use alias_set_subset_of instead of
433 aliases_conflict_p. A pointer which points to
434 memory with alias set zero may access any variable.
436 2008-04-23 Richard Guenther <rguenther@suse.de>
438 * alias.c (alias_set_subset_of): Correctly handle asking
439 if zero is a subset of an alias set with zero child.
440 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
441 (compute_flow_insensitive_aliasing): Correctly walk all
442 pointers. Do not unnecessarily union sets.
444 2008-04-23 Richard Guenther <rguenther@suse.de>
447 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
449 2008-04-22 Tomas Bily <tbily@suse.cz>
451 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
453 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
455 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
456 * tree-ssa-structalias.c (get_constraint_for): Likewise.
457 * tree-inline.c (estimate_num_insns_1): Likewise.
458 * varasm.c (const_hash_1, compare_constant, copy_constant)
459 (compute_reloc_for_constant, output_addressed_constants): Likewise.
460 * emit-rtl.c (component_ref_for_mem_expr)
461 (set_mem_attributes_minus_bitpos): Likewise.
462 * expr.c (highest_pow2_factor, expand_expr_real_1, )
463 (is_aligning_offset): Likewise.
464 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
465 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
466 * dojump.c (do_jump): Likewise.
467 * builtins.c (get_pointer_alignment, get_memory_rtx)
468 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
469 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
471 2008-04-23 Jakub Jelinek <jakub@redhat.com>
473 PR rtl-optimization/36017
474 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
475 expanding the library call.
477 2008-04-22 Ian Lance Taylor <iant@google.com>
479 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
482 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
484 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
485 of LR/CTR moves for Power6.
487 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
490 * passes.c (init_optimization_passes): Remove
491 pass_fast_rtl_byte_dce.
493 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
496 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
497 builtin functions to generate faster code.
498 (_mm_cvtpu16_ps): Ditto.
499 (_mm_cvtpi32x2_ps): Ditto.
501 2008-04-22 Nick Clifton <nickc@redhat.com>
503 * common.opt (ftree-loop-distribution): Add Optimization
506 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
507 (frv_expand_builtin_va_start): Likewise.
509 * config/arm/arm.c (thumb_find_work_register): Fix location of
510 argument register count.
512 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
514 Support scheduling for ColdFire V1 and V3 microarchitecture.
515 Improve scheduling of multiplication instructions.
517 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
518 (mac): New instruction attribute.
519 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
520 (m68k_sched_mac): New variable.
521 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
522 Handle cfv1 and cfv3.
523 (max_insn_size): New static variable.
524 (struct _sched_ib): New type.
525 (sched_ib): New static variable.
526 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
527 to fields of 'struct _sched_ib sched_ib'. Update all uses.
528 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
530 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
531 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
532 new variables. Update.
533 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
534 Add modeling of cfv3 instruction buffer. Update.
535 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
536 * config/m68k/m68k.h (TUNE_CFV3): New macro.
537 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
538 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
539 a particular reservation applies to.
540 (type2): Reorganize attribute values. Rename alu to alu_reg,
541 alu_l to alu, move_l to omove. Join move to alu. Split mul
543 (cf_ib_*): Simplify description of instruction buffer.
544 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
545 (cf_mem): Split into cf_mem1 and cf_mem2.
546 (cf_v2_move_??): Rename to cfv12_alu_??.
547 (cf_v2_move_l_??): Rename to cfv12_omove_??.
548 (cf_v2_mul_??): Remove reservations.
549 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
550 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
551 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
553 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
554 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
555 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
556 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
557 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
558 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
559 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
560 expansions of the above reservations for instructions of sizes
563 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
565 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
567 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
569 * coverage.c: Include tree-pass.h.
570 (coverage_counter_alloc): Print da_file_name to the dump file.
572 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
574 * sbitmap.c (sbitmap_range_empty_p): New function.
575 * sbitmap.h (sbitmap_range_empty_p): New function.
576 * bitmap.h: Now includes obstack.h.
578 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
579 Kenneth Zadeck <zadeck@naturalbridge.com>
581 * dbgcnt.def (ra_byte_scan): Added.
582 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
583 when the last hit happens for a counter.
584 * timevar.def (TV_DF_BYTE_LR): New variable.
585 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
586 * passes.c (pass_fast_rtl_byte_dce): New pass.
587 * fwprop.c (update_df): Added mode to call df_ref_create.
588 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
589 DF_REF_EXTRACT_OFFSET.
590 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
591 DF_BYTE_LR_OUT, df_byte_lr): New macro.
593 (df_ref_extract): Added mode field.
594 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
595 DF_REF_EXTRACT_OFFSET.
596 (DF_REF_EXTRACT_MODE): New macro.
597 (df_byte_lr_bb_info): New structure.
598 (df_print_byte_regset, df_compute_accessed_bytes,
599 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
600 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
601 df_byte_lr_simulate_uses,
602 df_byte_lr_simulate_artificial_refs_at_top,
603 df_byte_lr_simulate_artificial_refs_at_end,
604 df_compute_accessed_bytes): New function.
605 (df_ref_create): Add parameter.
606 (df_byte_lr_get_bb_info): New inline function.
607 * df-scan.c (df_ref_record, df_uses_record,
608 df_ref_create_structure): Added mode parameter.
609 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
610 df_defs_record, df_uses_record, df_get_conditional_uses,
611 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
612 df_entry_block_defs_collect, df_exit_block_uses_collect):
613 Added mode parameter to calls to df_ref_record, df_uses_record,
614 df_ref_create_structure.
615 (df_ref_equal_p, df_ref_compare): Added test for modes.
616 (df_ref_create_structure): Added code to set mode. Renamed
617 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
618 DF_REF_EXTRACT_OFFSET.
619 * df-core.c (df_print_byte_regset): New function.
620 * df-byte-scan.c: New file.
621 * df-problems.c (df_rd_transfer_function): Removed unnecessary
622 calls to BITMAP_FREE.
623 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
624 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
625 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
626 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
627 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
628 df_byte_lr_local_compute, df_byte_lr_init,
629 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
630 df_byte_lr_transfer_function, df_byte_lr_free,
631 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
632 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
633 df_byte_lr_simulate_uses,
634 df_byte_lr_simulate_artificial_refs_at_top,
635 df_byte_lr_simulate_artificial_refs_at_end): New function.
636 * dce.c (byte_dce_process_block): New function.
637 (dce_process_block): au is now passed in rather than computed
638 locally. Changed loops that look at artificial defs to not look
639 for conditional or partial ones, because there never are any.
640 (fast_dce): Now is able to drive byte_dce_process_block or
641 dce_process_block depending on the kind of dce being done.
642 (rest_of_handle_fast_dce): Add parameter to fast_dce.
643 (rest_of_handle_fast_byte_dce): New function.
644 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
645 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
647 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
650 * gcc.h: Added fortran options that take arguments to
651 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
654 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
656 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
657 scalarization if on the LHS and not a full access.
659 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
661 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
663 2008-04-18 Rafael Espindola <espindola@google.com>
665 * tree-vrp.c (find_case_label_index): Fix the binary search.
666 (find_case_label_range): New.
667 (vrp_visit_switch_stmt): Use find_case_label_range.
668 (simplify_switch_using_ranges): Use find_case_label_range.
670 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
672 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
673 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
675 2008-04-18 Tom Tromey <tromey@redhat.com>
678 * doc/cpp.texi (Implementation-defined behavior): Mention
681 2008-04-18 Ian Lance Taylor <iant@google.com>
683 * fold-const.c (pointer_may_wrap_p): New static function.
684 (fold_comparison): Add another test for pointer overflow. Use
685 pointer_may_wrap_p to disable some false positives.
687 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
689 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
690 (fname_as_string): Match updated cpp_interpret_string prototype.
691 (fix_string_type): Support char16_t* and char32_t*.
692 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
693 derivative) nodes. Register as builtin if C++0x.
694 (c_parse_error): Support CPP_CHAR{16,32}.
695 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
696 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
697 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
698 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
699 CTI_CHAR32_ARRAY_TYPE>: New elements.
700 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
701 char32_type_node, signed_char32_type_node, char16_array_type_node,
702 char32_array_type_node): New defines.
703 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
704 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
705 (lex_string): Support CPP_STRING{16,32}, match updated
706 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
707 (lex_charconst): Support CPP_CHAR{16,32}.
708 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
709 and CPP_STRING{16,32}.
711 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
714 * aclocal.m4: Regenerate.
715 * configure: Regenerate.
717 2008-04-18 Jan Hubicka <jh@suse.cz>
719 * except.c (dw2_size_of_call_site_table,
720 sjlj_size_of_call_site_table): Use vector API for call_site_record.
722 * cgraphbuild.c (build_cgraph_edges): Update.
723 * tree-pass.h: Update comment.
724 * final.c (leaf_function_p): Update.
725 (leaf_renumber_regs): Update.
726 (rest_of_clean_state): Update.
727 * omp-low.c (expand_omp_parallel): Update.
728 * ipa-reference.c (analyze_function): Update.
729 * reorg.c (find_end_label): Update.
730 (optimize_skip): Update.
731 (fill_simple_delay_slots): Update.
732 (fill_simple_delay_slots): Update.
733 (make_return_insns): Update.
734 (dbr_schedule): Update.
735 * gimple-low.c (record_vars_into): Update.
736 * cfgbuild.c (make_edges): Update.
737 * function.c (assign_stack_local): Update.
738 (assign_parm_adjust_stack_rtl): Update.
739 (locate_and_pad_parm): Update.
740 (allocate_struct_function): Do not initialize stack_alignment_needed
741 and preferred_stack_boundary here.
742 (stack_protect_prologue): Update.
743 (stack_protect_epilogue): Update.
744 (expand_function_start): Initialize stack_alignment_needed,
745 preferred_stack_boundary and max_jumptable_ents.
746 (expand_function_end): Update.
747 (free_after_compilation): Do not NULLify epilogue_delay_list.
748 * function.h (struct rtl_data): Add stack_protect_guard,
749 stack_alignment_needed,
750 preferred_stack_boundary, epilogue_delay_list.
751 (struct function): Remove value_histograms, stack_alignment_needed,
752 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
754 unexpanded_var_list, stack_protect_guard.
755 (current_function_epilogue_delay_list): Remove.
756 * ipa-type-escape.c (analyze_function): Update.
757 * gimplify.c (pop_gimplify_context): Update comment.
758 * calls.c (expand_call): Update.
759 (emit_library_call_value_1): Update.
760 * except.c (set_nothrow_function_flags): Update.
761 * cfgexpand.c (get_decl_align_unit): Update.
762 (create_stack_guard): Update.
763 (estimated_stack_frame_size): Update.
764 (expand_used_vars): Update.
765 (tree_expand_cfg): Free histogram earliers, init expansion variables.
766 * explow.c (allocate_dynamic_stack_space): Update.
767 * tree-ssa-live.c (remove_unused_locals): Update.
768 * varasm.c (mark_constant_pool): Update.
769 * tree-inline.c (remap_decls): Update.
770 (initialize_cfun): Update.
771 (declare_return_variable): Update.
772 (inline_forbidden_p): Update.
773 (expand_call_inline): Update.
774 (declare_inline_vars): Update.
775 (tree_function_versioning): Update.
776 * tree-flow.h (value_histograms): New.
777 (VALUE_HISTOGRAMS): New macro.
778 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
780 * tree-cfg.c (set_bb_for_stmt): Update.
781 (replace_by_duplicate_decl): Update.
782 (move_block_to_fn): Update.
783 (new_label_mapper): Update.
784 (dump_function_to_file): Update.
785 * ipa-struct-reorg.c (build_data_structure): Update.
786 * cfgrtl.c (print_rtl_with_bb): Update.
787 * reload1.c (reload): Update.
789 * config/i386/i386.c (setup_incoming_varargs_64,
790 ix86_compute_frame_layout): Update.
791 * config/arc/arc.c (arc_output_function_epilogue): Update.
793 2008-04-18 Marius Strobl <marius@FreeBSD.org>
795 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
797 * gthr-posix95.h: Likewise.
799 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
801 PR rtl-optimization/35838
802 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
803 out the byte offset of the first subreg.
805 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
807 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
808 to split_ti instead of three separate calls with single member arrays.
809 (subti3 splitter): Ditto.
810 (adddi3 splitter): Ditto with split_di.
811 (subdi3 splitter): Ditto.
812 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
813 two separate calls with single member arrays. Swap match_dup
814 operands 1 and 2 to better fit into the array.
815 (negdi2 splitter): Ditto with split_di.
816 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
817 two separate calls with single member arrays. Swap match_dup operands
818 6 and 7 to better fit into the array.
820 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
822 * config/i386/i386.c (sse_builtin_type): New.
823 (bdesc_sse_args): Likewise.
824 (bdesc_sse_3arg): Removed.
825 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
826 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
827 IX86_BUILTIN_ROUNDPS.
828 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
829 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
830 IX86_BUILTIN_ROUNDPS.
831 (ix86_expand_sse_4_operands_builtin): Removed.
832 (ix86_expand_sse_operands_builtin): New.
833 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
834 and CODE_FOR_sse4_1_roundps.
835 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
836 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
838 2008-04-17 Alan Modra <amodra@bigpond.net.au>
841 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
842 regs before frame pop when needed. If use_backchain_to_restore_sp
843 then load backchain into a temp reg to restore vr and vrsave. Add
844 code to restore vr after frame pop if possible.
846 2008-04-17 Richard Guenther <rguenther@suse.de>
848 * tree-vn.c (expressions_equal_p): Do not check type
849 equality or compatibility before calling operand_equal_p.
850 * fold-const.c (operand_equal_p): Check equivalence of
851 integer constants before bailing out due to signedness or
852 precision differences.
853 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
854 spurious differences in type qualification. Ignore types
855 for COMPONENT_REFs at all.
857 2008-04-17 Christian Bruel <christian.bruel@st.com>
859 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
862 2008-04-16 Jakub Jelinek <jakub@redhat.com>
865 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
868 PR tree-optimization/35899
869 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
870 rather than TREE_OPERAND.
872 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
875 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
876 temporary registers. Change operand predicate to general_operand.
877 (remainderxf3): Ditto.
879 2008-04-16 Richard Guenther <rguenther@suse.de>
881 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
882 * tree-affine.c (aff_combination_expand): Look through some
885 2008-04-15 Doug Kwan <dougkwan@google.com>
887 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
889 * tree-pretty-print.c (dump_generic_node): Ditto.
890 * final.c (output_addr_const): Ditto.
891 * dwarf2out.c (output_cfi): Ditto.
892 * c-pretty-print.c (pp_c_integer_constant): Ditto.
893 * print-rtl.c (print_rtx): Ditto.
894 * print-tree.c (print_node_brief, print_node): Ditto.
895 * c-common.c (match_case_to_enum_1): Ditto.
896 * sched-vis.c (print_value): Ditto.
897 * config/i386/i386.c (print_operand): Cast to long unsigned int
900 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
901 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
902 MS Windows VirtualProtect function.
904 2008-04-15 Jan Hubicka <jh@suse.cz>
906 * gengtype.c (write_root): Param_is argument is OK.
907 * expr.c (expand_expr_real_1): Update call of get_exception_*.
908 * function.h: Include varray.h
909 (rtl_eh): New stucture based on except.c one.
910 (call_site_record): New forward declaration and vector type.
911 * calls.c (emit_call_1): Do not call
912 note_current_region_may_contain_throw.
913 * except.c (eh_status): Remove cur_region, try_region since they are
915 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
916 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
917 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
918 Remove call_site_data_used, call_site_data_size.
919 Turn call_site_record into vector in function.h.
920 (note_current_region_may_contain_throw): Remove.
921 (get_exception_pointer, get_exception_filter): Do not take struct
922 function argument; update.
923 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
924 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
925 build_post_landing_pads, dw2_build_landing_pads,
926 sjlj_assign_call_site_values, sjlj_mark_call_sites,
927 sjlj_emit_function_enter, sjlj_emit_function_enter,
928 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
929 sjlj_build_landing_pads, finish_eh_generation,
930 remove_exception_handler_label, remove_eh_handler,
931 maybe_remove_eh_handler, add_reachable_handler,
932 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
933 add_action_record, collect_one_action_chain, add_call_site,
934 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
935 sjlj_output_call_site_table, output_function_exception_table,
936 * except.h (note_current_region_may_contain_throw): Remove
937 (get_exception_pointer, get_exception_filter): Do not take struct
939 * Makefile.in (GTFILES): Put varargs before struct function.
941 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
943 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
945 (get_constraint_for): Deal with STRING_CST here instead.
947 2008-04-15 Richard Guenther <rguenther@suse.de>
949 * tree-ssa-propagate.c (substitute_and_fold): Substitute
950 statements in a basic-block with a backward walk. Do not
951 substitute into dead statements but instead remove those.
953 2008-04-15 Richard Guenther <rguenther@suse.de>
955 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
956 to zero, thus disable creation of SFTs.
958 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
960 * tree-predcom.c (suitable_reference_p): Return false if the
963 2008-04-15 Jakub Jelinek <jakub@redhat.com>
966 * c-decl.c (finish_decl): If extern or static var has variable
967 size, set TREE_TYPE (decl) to error_mark_node.
969 2008-04-15 Rafael Espindola <espindola@google.com>
971 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
974 2008-04-15 Richard Guenther <rguenther@suse.de>
976 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
977 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
978 (visit_reference_op_load): Do walk vuse-vdef chains on
980 (visit_reference_op_store): But do not here.
981 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
983 (vn_lookup_with_vuses): But do so here.
985 2008-04-14 Ian Lance Taylor <iant@google.com>
987 * fold-const.c (fold_overflow_warning): Remove assertion.
989 2008-04-15 Ben Elliston <bje@au.ibm.com>
991 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
992 temp1 local variables.
994 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
997 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
998 ".text.unlikely" section as executable.
1000 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1002 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1003 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1004 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1005 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1006 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1007 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1008 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1010 2008-04-14 Ian Lance Taylor <iant@google.com>
1012 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1013 * fold-const.c (fold_comparison): If appropriate, test
1014 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1015 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1016 reassociating a pointer type.
1017 * doc/invoke.texi (Optimize Options): Document that
1018 -fstrict-overflow applies to pointer wraparound.
1020 2008-04-13 Jan Hubicka <jh@suse.cz>
1022 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1024 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1026 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1027 we are going to "save the world".
1029 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1031 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1032 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1033 operand 0 constraint, not "=".
1035 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1037 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1039 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1041 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1042 of size of positions_needed * CHAR_BIT.
1044 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1047 * dse.c (store_info): Change positions_needed to unsigned
1049 (lowpart_bitmask): New.
1050 (record_store): Cast to unsigned HOST_WIDE_INT for
1051 positions_needed. Assert width <= size of positions_needed *
1052 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1053 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1054 lowpart_bitmask to set mask.
1056 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1058 * config/bfin/constraints.md: New file.
1059 * config/bfin/bfin.md: Include it.
1060 (adddi3): Use satisfies_constraint functions instead of the old macros.
1061 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1062 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1063 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1064 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1065 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1066 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1067 EXTRA_CONSTRAINT): Delete.
1068 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1069 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1071 * config/bfin/bfin.c: Include "tm-constrs.h".
1072 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1073 Use satisfies_constraint functions instead of the old macros.
1074 * doc/md.texi (Blackfin Constraints): Update file name reference.
1076 2008-04-11 Richard Guenther <rguenther@suse.de>
1078 PR tree-optimization/35869
1079 * tree-vrp.c (execute_vrp): Move switch statement update after
1080 jump threading. Schedule another cfg cleanup run.
1082 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1085 * attribs.c (decl_attributes): Return early on errorneous node.
1087 2008-04-10 Oleg Ryjkov <olegr@google.com>
1089 * tree.h (struct tree_base): Added a new flag default_def_flag.
1090 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1092 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1094 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1096 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1099 * pa.md: Define mode iterator P. Define mode attribute dwc.
1100 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1101 (icacheflush): Likewise.
1102 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1103 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1105 2008-04-11 Ben Elliston <bje@au.ibm.com>
1107 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1109 2008-04-10 Rafael Espindola <espindola@google.com>
1111 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1112 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1113 (extract_range_from_expr): The same.
1115 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1117 * config/mips/mips.md (GPR2): New mode iterator.
1119 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1120 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1121 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1122 Rewrite these to take two modes, the mode of comparison and the
1123 mode of the destination.
1124 * config/mips/mips.c (mips_expand_scc): Instead of having
1125 paradoxical subreg as destination, expand "narrowing" scc if mode
1126 of comparison is SI and target is requested in DI mode.
1127 (mips_emit_int_order_test): Update comment. Make mode of
1128 comparison match CMP0 rather than TARGET. When creating inverse
1129 target use mode of TARGET.
1131 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1133 * gcov-dump.c (tag_summary): Only print summaries for the first
1134 GCOV_COUNTERS_SUMMABLE counters.
1136 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1138 * config/i386/i386.md (absneg): New code iterator.
1139 (absnegprefix): New code attribute.
1140 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1141 patterns using absneg code iterator.
1142 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1143 using absneg code iterator.
1144 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1145 *neg<mode>2 patterns using absneg code iterator.
1146 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1147 *negextendsfdf2 patterns using absneg code iterator.
1148 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1149 *negextendsfxf2 patterns using absneg code iterator.
1150 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1151 *negextendsfdf2 patterns using absneg code iterator.
1152 * config/i386/sse.md (<code><mode>2): Macroize expander from
1153 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1155 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1157 * config/s390/s390.h: Remove the remains of the recent search
1158 & replace action of current_function_outgoing_args_size.
1160 2008-04-10 Ira Rosen <irar@il.ibm.com>
1162 PR tree-optimization/35821
1163 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1164 NEW_STMT_LIST is not NULL.
1166 2008-04-09 David Edelsohn <edelsohn@gnu.org>
1169 * toplev.c (process_options): Remove -ffunction-sections debugging
1172 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
1174 PR middle-end/PR28690
1175 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1176 than gen_rtx_fmt_ee to perform more canonicalizations.
1178 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1181 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1183 2008-04-09 Richard Guenther <rguenther@suse.de>
1185 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1186 (dump_function_to_file): Dump function arguments with types.
1188 2008-04-08 Richard Guenther <rguenther@suse.de>
1190 * fold-const.c (fold_widened_comparison): Do not allow
1191 sign-changes that change the result.
1193 2008-04-08 Janis Johnson <janis187@us.ibm.com>
1196 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1197 kinds of indirect references.
1199 2008-04-08 David Edelsohn <edelsohn@gnu.org>
1201 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1202 GNU Fortran language string.
1204 2008-04-08 Rafael Espindola <espindola@google.com>
1206 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1207 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1208 * tree.h (tree_call_nonnegative_warnv_p): New.
1210 2008-04-08 Jan Hubicka <jh@suse.cz>
1212 * function.c (free_after_compilation): Clear out regno_reg_rtx
1215 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
1218 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1220 PR middle-end/PR28690
1221 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
1222 same precedence as REG_POINTER and MEM_POINTER operands.
1224 2008-04-08 Richard Guenther <rguenther@suse.de>
1227 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
1228 for adding index to base.
1230 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
1232 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
1233 (MINGW_ENABLE_EXECUTE_STACK): New.
1234 (IN_LIBGCC2): For libgcc include windows.h file for
1235 function declarations.
1237 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
1239 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
1240 and tem2 if tem1 is not a REG or MULT.
1242 2008-04-08 Jan Hubicka <jh@suse.cz>
1244 * function.h (incomming_args): Break out of struct function.
1245 (function_subsections): Break out of struct function.
1246 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
1247 return_rtx and hard_reg_initial_vals from struct function.
1248 Kill inl_max_label_num.
1249 (current_function_pops_args, current_function_args_info,
1250 current_function_args_size, current_function_args_size,
1251 current_function_pretend_args_size,
1252 current_function_outgoing_args_size,
1253 current_function_internal_arg_pointer, current_function_return_rtx):
1254 Kill compatibility accestor macros.
1255 * builtins.c (expand_builtin_apply_args_1): Update.
1256 (expand_builtin_next_arg): Update.
1257 * df-scan.c (df_get_call_refs): Update.
1258 * dbxout.c (dbxout_function_end): Update.
1259 * dwarf2out.c (dwarf2out_switch_text_section): Update.
1260 (output_line_info): Update.
1261 (secname_for_decl): Update.
1262 (dwarf2out_var_location): Update.
1263 * function.c (free_after_compilation): Update.
1264 (assign_parm_find_stack_rtl): Update.
1265 (assign_parms): Update.
1266 (expand_dummy_function_end): Update.
1267 (expand_function_end): Update.
1268 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
1269 (expand_call): Update.
1270 (emit_library_call_value_1): Update.
1271 (store_one_arg): Update.
1272 * varasm.c (initialize_cold_section_name): Update.
1273 (unlikely_text_section): Update.
1274 (unlikely_text_section_p): Update.
1275 (assemble_start_function): Update.
1276 (assemble_end_function): Update.
1277 (default_section_type_flags): Update.
1278 (switch_to_section): Update.
1279 * integrate.c (set_decl_abstract_flags): Update.
1280 (get_hard_reg_initial_val): Update.
1281 (has_hard_reg_initial_val): Update.
1282 (allocate_initial_values): Update.
1283 * resource.c (init_resource_info): Update.
1284 * config/alpha/alpha.c (NUM_ARGS): Update.
1285 (direct_return): Update.
1286 (alpha_va_start): Update.
1287 (alpha_sa_size): Update.
1288 (alpha_initial_elimination_offset): Update.
1289 (alpha_expand_prologue): Update.
1290 (alpha_start_function): Update.
1291 (alpha_expand_epilogue): Update.
1292 (unicosmk_initial_elimination_offset):
1293 * config/alpha/alpha.md (call expander): Update.
1294 * config/s390/s390.c (s390_register_info): Update.
1295 (s390_register_info): Update.
1296 (s390_frame_info): Update.
1297 (s390_initial_elimination_offset): Update.
1298 (s390_build_builtin_va_list): Update.
1299 (s390_va_start): Update.
1300 * config/spu/spu.c (direct_return): Update.
1301 (spu_expand_prologue): Update.
1302 (spu_initial_elimination_offset): Update.
1303 (spu_build_builtin_va_list): Update.
1304 (spu_va_start): Update.
1305 * config/sparc/sparc.c (sparc_init_modes): Update.
1306 (sparc_compute_frame_size): Update.
1307 (function_value): Update.
1308 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
1309 * config/i386/i386.md (return expander): Update.
1310 * config/i386/i386.c (ix86_va_start): Update.
1311 (ix86_can_use_return_insn_p): Update.
1312 (ix86_compute_frame_layout): Update.
1313 (ix86_expand_epilogue): Update.
1314 * config/sh/sh.c (output_stack_adjust): Update.
1315 (calc_live_regs): Update.
1316 (sh_expand_prologue): Update.
1317 (sh_builtin_saveregs): Update.
1318 (sh_va_start): Update.
1319 (initial_elimination_offset): Update.
1320 (sh_allocate_initial_value): Update.
1321 (sh_function_ok_for_sibcall): Update.
1322 (sh_get_pr_initial_val): Update.
1323 * config/sh/sh.md (return expander): Update.
1324 * config/avr/avr.c (frame_pointer_required_p): UPdate.
1325 * config/crx/crx.c (crx_compute_frame): UPdate.
1326 (crx_initial_elimination_offset): UPdate.
1327 * config/xtensa/xtensa.c (compute_frame_size): Update
1328 (xtensa_builtin_saveregs): Update.
1329 (xtensa_va_start): Update.
1330 (order_regs_for_local_alloc): Update.
1331 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
1332 (xstormy16_expand_builtin_va_start): Update.
1333 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
1334 * config/m68hc11/m68hc11.md (return expanders): Update.
1335 * config/m68hc11/m68hc11.c (expand_prologue): Update.
1336 (expand_epilogue): Update.
1337 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
1338 (cris_simple_epilogue): Update.
1339 (cris_expand_prologue): Update.
1340 (cris_expand_epilogue): Update.
1341 * config/iq2000/iq2000.c (iq2000_va_start): Update.
1342 (compute_frame_size): Update.
1343 * config/mt/mt.c (mt_compute_frame_size): Update.
1344 * config/mn10300/mn10300.c (expand_prologue): Update.
1345 (expand_epilogue): Update.
1346 (initial_offset): Update.
1347 (mn10300_builtin_saveregs):
1348 * config/mn10300/mn10300.md (return expander): Update.
1349 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1350 (ia64_initial_elimination_offset): Update.
1351 (ia64_initial_elimination_offset): Update.
1352 (ia64_expand_prologue): Update.
1353 * config/m68k/m68k.md (return expander): Update.
1354 * config/rs6000/rs6000.c (rs6000_va_start): Update.
1355 (rs6000_stack_info): Update.
1356 * config/mcore/mcore.c (layout_mcore_frame): Update.
1357 (mcore_expand_prolog): Update.
1358 * config/arc/arc.c (arc_compute_frame_size): Update.
1359 * config/score/score3.c (score3_compute_frame_size): Update.
1360 * config/score/score7.c (score7_compute_frame_size): Update.
1361 * config/arm/arm.c (use_return_insn): Update.
1362 (thumb_find_work_register): Update.
1363 (arm_compute_save_reg_mask): Update.
1364 (arm_output_function_prologue): Update.
1365 (arm_output_epilogue): Update.
1366 (arm_size_return_regs): Update.
1367 (arm_get_frame_offsets): Update.
1368 (arm_expand_prologue): Update.
1369 (thumb_exit): Update.
1370 (thumb_unexpanded_epilogue): Update.
1371 (thumb1_output_function_prologue): Update.
1372 * config/pa/pa.md (return expander): Update.
1373 * config/pa/pa.c (compute_frame_size): Update.
1374 (hppa_builtin_saveregs): Update.
1375 * config/mips/mips.c (mips_va_start): Update.
1376 (mips16_build_function_stub): Update.
1377 (mips_compute_frame_info): Update.
1378 (mips_restore_gp): Update.
1379 (mips_output_function_prologue): Update.
1380 (mips_expand_prologue): Update.
1381 * config/v850/v850.c (compute_frame_size): Update.
1382 (expand_prologue): * config/mmix/mmix.c (along): update.
1383 (mmix_initial_elimination_offset): update.
1384 (mmix_reorg): update.
1385 (mmix_use_simple_return): update.
1386 (mmix_expand_prologue): update.
1387 (mmix_expand_epilogue): Update.
1388 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
1389 (emit_link_insn): Update.
1391 2008-04-08 Anatoly Sokolov <aesok@post.ru>
1393 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
1394 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
1396 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
1399 2008-04-07 Jan Hubicka <jh@suse.cz>
1401 * function.h (rtl): Rename to x_rtl.
1403 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1404 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1405 used_temp_slots avail_temp_slots, temp_slot_level,
1406 nonlocal_goto_handler_labels): Update accesstors.
1407 (rtl): New global variable.
1408 (struct function): Move some fileds to rtl_data.
1409 (get_arg_pointer_save_area): Update prototype.
1410 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1411 get_arg_pointer_save_area.
1412 * expr.c (init_expr): Update
1413 * function.c (get_frame_size): Update
1414 (assign_stack_local): Update
1415 (expand_function_end): Update.
1416 (get_art_pointer_save_area): Update
1418 * emit-rtl.c (rtl): Declare.
1419 (regno_reg_rtx): Declare.
1420 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1422 (gen_reg_rtx): Update.
1423 * varasm.c (n_deferred_constatns): Update accestor.
1424 (init_varasm_status): Do not allocate varasm_status.
1425 (force_const_mem, get_pool_size, output_constant_pool): Update.
1426 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1427 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1428 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
1429 * sparc/sparc.h (INIT_EXPANDERS): Update.
1430 * ia64/ia64.h (INIT_EXPANDERS): Update.
1432 2008-04-07 James E. Wilson <wilson@tuliptree.org>
1434 * reload.c (push_secondary_reload): Add missing break to for loop.
1436 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1438 PR middle-end/PR28690
1439 * rtlanal.c: Update copyright years.
1440 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
1441 as REG_POINTER and MEM_POINTER operands.
1442 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
1443 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
1444 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
1445 * gcse.c: Update copyright years.
1446 (pre_delete): Call gen_reg_rtx_and_attrs.
1447 (hoist_code): Likewise.
1448 (build_store_vectors): Likewise.
1449 (delete_store): Likewise.
1450 * loop-invariant.c (move_invariant_reg): Likewise.
1451 Update copyright years.
1453 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
1455 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
1456 control string instead of quoted.
1458 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1460 * doc/rtl.texi: Rewrite of subreg section.
1462 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
1465 * config/i386/i386.c (legitimize_pic_address): Add treating
1466 of dllimport SYM_REF's.
1467 (legitimize_dllimport_symbol): Add prototype.
1469 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1471 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1472 reference in constructor with non self-referential type.
1474 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1476 Removal of Return with Depressed Stack Pointer support
1477 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1478 (ECF_SP_DEPRESSED): Likewise.
1479 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1480 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1481 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1482 (expand_call): Do not test ECF_SP_DEPRESSED.
1483 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1484 * function.c (keep_stack_depressed): Delete.
1485 (handle_epilogue_set): Likewise.
1486 (update_epilogue_consts): Likewise.
1487 (emit_equiv_load): Likewise.
1488 (thread_prologue_and_epilogue_insns): Remove support for Return with
1489 Depressed Stack Pointer.
1490 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1492 2008-04-06 Richard Guenther <rguenther@suse.de>
1494 PR tree-optimization/35400
1495 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1496 information from SSA_NAMEs.
1498 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1500 * config/avr/avr.h (avr_mega_p): Remove declaration.
1501 (AVR_MEGA): Remove macro.
1502 * config/avr/avr.c (avr_mega_p): Remove variable.
1503 (avr_override_options): Remove inicializion of avr_mega_p.
1504 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1505 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1506 (avr_jump_mode): (Ditto.).
1507 (avr_output_progmem_section_asm_op): (Ditto.).
1508 (avr_asm_init_sections): (Ditto.).
1509 (avr_asm_init_sections): (Ditto.).
1510 (avr_rtx_costs): (Ditto.).
1511 * config/avr/avr.md: (Ditto.).
1512 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1515 2008-04-06 Richard Guenther <rguenther@suse.de>
1517 PR tree-optimization/35842
1518 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1519 is_gimple_invariant_address.
1521 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1523 * gcc.c (default_compilers): Sync Fortran extensions list with
1524 that in fortran/lang-specs.h.
1525 * doc/invoke.texi: Likewise.
1526 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1527 * dwarf2out.c (gen_compile_unit_die): Likewise.
1529 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1531 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1533 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1536 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1537 attribute is used for nested functions.
1539 2008-04-05 Jan Hubicka <jh@suse.cz>
1541 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1543 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1545 (dump_files): Update.
1546 (enable_rtl_dump_file): Do not accept letter argument.
1547 * tree-pass.h (dump_file_info): Remove letter argument.
1548 * toplev.c (decode_d_option): Update -da handling.
1549 * toplev.h (enable_rtl_dump_file): Update prototype.
1550 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1551 it out based on pass type.
1552 (register_dump_files_1): Likewise.
1553 (init_optimization_passes): Update register_one_dump_file calls.
1554 (execute_one_pass): Sanity check that IPA passes are called at IPA
1555 level and RTL passes at RTL level.
1556 (execute_pass_list): IPA pass can not be after or subpass of
1558 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1559 disallov RTL subpasses of IPA subpasses.
1561 2008-04-05 Ben Elliston <bje@au.ibm.com>
1563 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1564 builtins that return exactly once and do not throw. Cache call to
1567 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1569 PR rtl-optimization/34916
1571 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1572 between instruction pairs.
1574 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1576 * doc/invoke.texi: Document -mbitops for SH.
1577 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1578 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1579 * config/sh/sh.c (print_operand): Add %t operand code.
1580 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1581 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1582 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1583 (extendqihi2): Likewise.
1584 (movqi_i): Likewise.
1585 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1586 (extv): Use bld instruction for SH2A if possible.
1588 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
1589 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
1590 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
1591 (bset.b, bclr.b): Define peepholes.
1592 * config/sh/sh.opt (mbitops): New option.
1594 2008-04-04 Janis Johnson <janis187@us.ibm.com>
1597 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
1598 and view convert expression.
1600 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1603 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1605 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
1607 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
1609 * config/i386/cpuid.h (bit_AES): New.
1610 (bit_PCLMUL): Likewise.
1612 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
1613 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
1614 SSE2 if AES or PCLMUL is enabled.
1615 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
1616 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1617 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
1618 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
1619 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
1620 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
1621 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1622 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
1623 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
1624 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
1625 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
1626 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
1627 __builtin_ia32_aeskeygenassist128 and
1628 __builtin_ia32_pclmulqdq128.
1629 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
1630 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
1631 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
1633 * config/i386/i386.h (TARGET_AES): New.
1634 (TARGET_PCLMUL): Likewise.
1635 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
1637 * config/i386/i386.md (UNSPEC_AESENC): New.
1638 (UNSPEC_AESENCLAST): Likewise.
1639 (UNSPEC_AESDEC): Likewise.
1640 (UNSPEC_AESDECLAST): Likewise.
1641 (UNSPEC_AESIMC): Likewise.
1642 (UNSPEC_AESKEYGENASSIST): Likewise.
1643 (UNSPEC_PCLMUL): Likewise.
1645 * config/i386/i386.opt (maes): New.
1646 (mpclmul): Likewise.
1648 * config/i386/sse.md (aesenc): New pattern.
1649 (aesenclast): Likewise.
1651 (aesdeclast): Likewise.
1653 (aeskeygenassist): Likewise.
1654 (pclmulqdq): Likewise.
1656 * config/i386/wmmintrin.h: New.
1658 * doc/extend.texi: Document AES and PCLMUL built-in function.
1660 * doc/invoke.texi: Document -maes and -mpclmul.
1662 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
1664 * function.c (free_after_parsing): Replace with
1665 cxx_push_function_context from C++ front-end.
1666 (allocate_struct_function): Don't call langhook.
1667 * langhooks.h (struct lang_hooks_for_functions): Delete.
1668 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
1670 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
1671 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
1672 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1673 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
1674 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
1675 remove LANG_HOOKS_FUNCTION_INITIALIZER.
1676 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
1678 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
1679 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
1681 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1684 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
1687 2008-04-04 Richard Guenther <rguenther@suse.de>
1690 * fold-const.c (optimize_minmax_comparison): Use the correct
1691 type for the constant in the simplified comparison.
1693 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
1695 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
1696 Pass L2 size as "--param l2-cache-size" to the compiler.
1697 (decode_l2_cache): New function to decode L2 cache parameters using
1698 0x8000006 extended cpuid function.
1699 (detect_caches_amd): Determine parameters of L2 cache using
1700 decode_l2_caches function.
1701 (decode_caches_intel): Decode L2 cache parameters.
1702 (detect_caches_intel): Determine L2 cache parameters using
1703 decode_caches_intel and decode_l2_caches functions.
1705 2008-04-03 Bob Wilson <bob.wilson@acm.org>
1707 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
1708 secondary input reload for subword loads from the constant pool.
1710 2008-04-03 Janis Johnson <janis187@us.ibm.com>
1713 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
1714 constants of the appropriate size for runtime calculations.
1717 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
1718 decimal-float literal constant zero.
1720 2008-04-03 Jakub Jelinek <jakub@redhat.com>
1723 * c-parser.c (c_parser_omp_atomic): Call
1724 default_function_array_conversion on the RHS.
1727 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
1728 call is_variable_sized if decl has incomplete type.
1730 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
1732 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
1734 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
1736 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
1738 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
1739 (sgt<u>): Merge sgt and sgtu into new expander.
1740 (sgt, sgtu): Remove expanders.
1741 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
1742 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
1743 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
1744 *sgtu_<mode>_mips16 into new pattern.
1745 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
1746 (sge<u>): Merge sge and sgeu into new expander.
1747 (sge, sgeu): Remove expanders.
1748 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
1750 (*sge_<mode>, second *sge_<mode>): Remove patterns.
1751 (slt<u>): Merge slt and sltu into new expander.
1752 (slt, sltu): Remove expanders.
1753 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
1754 (*slt_<mode>, *sltu_<mode>): Remove patterns.
1755 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
1756 *sltu_<mode>_mips16 into new pattern.
1757 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
1758 (sle<u>): Merge sle and sleu into new expander.
1759 (sle, sleu): Remove expanders.
1760 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
1761 (*sle_<mode>, *sleu_<mode>): Remove patterns.
1762 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
1763 *sleu_<mode>_mips16 into new pattern.
1764 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
1766 2008-04-03 Jan Hubicka <jh@suse.cz>
1768 PR tree-optimization/35795
1769 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
1770 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1771 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1772 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1773 * score/score3.c (score3_output_mi_thunk): Likewise.
1774 * score/score7.c (score7_output_mi_thunk): Likewise.
1775 * mips/mips.c (mips_output_mi_thunk): Likewise.
1777 2008-04-03 Richard Guenther <rguenther@suse.de>
1779 * tree-vrp.c (extract_range_from_unary_expr): Handle all
1780 conversions. Simplify code.
1782 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
1784 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
1786 2008-04-03 Tom Tromey <tromey@redhat.com>
1787 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1789 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1790 * config/bfin/t-bfin-linux (generated_files): Add
1791 linux-sysroot-suffix.h.
1792 * doc/install.texi (Prerequisites): Require make 3.80.
1793 * doc/sourcebuild.texi (Front End Directory): Document new
1795 * Makefile.in (generated_files): New variable.
1796 (ALL_HOST_OBJS): New variable.
1797 ($(ALL_HOST_OBJS)): New target.
1799 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1801 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
1802 (remap_block): Call id->transform_lang_insert_block instead
1804 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
1805 Set id.transform_lang_insert_block to NULL.
1806 (clone_body): Move to cp/optimize.c
1807 * tree-inline.h (struct copy_body_data): Change
1808 transform_lang_insert_block to function pointer.
1809 (copy_generic_body, copy_decl_no_change): Export.
1810 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
1811 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
1812 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
1814 * c-tree.h (insert_block): Kill.
1815 * c-decl.c (insert_block): Kill.
1817 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1819 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1820 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1821 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
1823 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
1824 argument, call {push,pop}_function_context from here.
1825 * c-parser.c: Use c_{push,pop}_function_context.
1827 * function.c (push_function_context_to): Move meat ...
1828 (push_function_context): ... here. Simplify.
1829 * function.c (pop_function_context_from): Move meat ...
1830 (pop_function_context): ... here. Simplify.
1831 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
1833 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1834 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1835 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
1836 * tree.h (push_function_context_to, pop_function_context_from): Remove.
1838 2008-04-03 Ben Elliston <bje@au.ibm.com>
1840 * expmed.c (extract_force_align_mem_bit_field): Remove.
1842 2008-04-03 Richard Guenther <rguenther@suse.de>
1845 * expr.h (try_casesi): Adjust prototype.
1846 * expr.c (try_casesi): Take fallback label as extra parameter.
1847 Use that for gen_casesi if default_label is NULL.
1848 * stmt.c (expand_case): Pass fallback label to try_casesi,
1849 make sure to fill gaps with a fallback label if default_label
1852 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
1855 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
1857 2008-04-03 Ben Elliston <bje@au.ibm.com>
1859 * expmed.c (extract_split_bit_field): Remove if (0) code.
1860 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
1861 (do_ds_constraint): Likewise.
1863 2008-04-02 Joseph Myers <joseph@codesourcery.com>
1865 * doc/cppopts.texi (-dU): Document.
1866 * c-common.h (flag_dump_macros): Update comment.
1867 * c-opts.c (handle_OPT_d): Handle -dU.
1868 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
1869 dump_queued_macros, cb_used_define, cb_used_undef): New.
1870 (init_pp_output): Handle -dU.
1871 (cb_line_change): Call dump_queued_macros.
1872 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
1874 2008-04-02 Anatoly Sokolov <aesok@post.ru>
1876 * config/avr/predicates.md (io_address_operand): New predicate.
1877 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
1878 * config/avr/avr.c (avr_io_address_p): Remove function.
1879 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
1880 'avr_io_address_p' function.
1881 (out_movhi_r_mr): (Ditto.).
1882 (out_movqi_mr_r): (Ditto.).
1883 (out_movhi_mr_r): (Ditto.).
1884 (avr_address_cost): (Ditto.).
1886 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
1888 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
1889 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
1890 in 32bit mode when XMM registers are available to avoid store
1892 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
1893 corresponding post-reload splitters.
1895 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1897 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
1898 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
1899 __builtin_ia32_roundss.
1900 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
1901 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
1902 __builtin_ia32_roundss.
1903 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
1904 IX86_BUILTIN_SHUFPD here.
1906 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1908 * config/i386/i386.md (plogic): New.
1909 (plogicprefix): Likewise.
1911 * config/i386/mmx.md (mmx_<code><mode>3): New.
1912 (mmx_and<mode>3): Removed.
1913 (mmx_ior<mode>3): Likewise.
1914 (mmx_xor<mode>3): Likewise.
1916 * config/i386/sse.md (<code><mode>3): New.
1917 (*<code><mode>3): Likewise.
1918 (*<code><mode>3): Likewise.
1919 (<code><mode>3): Likewise.
1920 (*sse_<code><mode>3): Likewise.
1921 (*sse2_<code><mode>3): Likewise.
1922 (<code>tf3): Likewise.
1923 (*<code>tf3): Likewise.
1924 (and<mode>3): Likewise.
1925 (*and<mode>3): Likewise.
1926 (ior<mode>3): Removed.
1927 (*ior<mode>3): Likewise.
1928 (xor<mode>3): Likewise.
1929 (*xor<mode>3): Likewise.
1930 (*and<mode>3): Likewise.
1931 (*ior<mode>3): Likewise.
1932 (*xor<mode>3): Likewise.
1933 (and<mode>3): Likewise.
1934 (*sse_and<mode>3): Likewise.
1935 (*sse2_and<mode>3): Likewise.
1937 (*andtf3): Likewise.
1938 (ior<mode>3): Likewise.
1939 (*sse_ior<mode>3): Likewise.
1940 (*sse2_ior<mode>3): Likewise.
1942 (*iortf3): Likewise.
1943 (xor<mode>3): Likewise.
1944 (*sse_xor<mode>3): Likewise.
1945 (*sse2_xor<mode>3): Likewise.
1947 (*xortf3): Likewise.
1949 2008-04-02 Richard Guenther <rguenther@suse.de>
1951 PR tree-optimization/14495
1952 PR tree-optimization/34793
1953 * tree-vrp.c (struct switch_update): New structure.
1954 (to_remove_edges, to_update_switch_stmts): New VECs.
1955 (simplify_switch_using_ranges): New function. Remove not taken
1956 case labels and edges.
1957 (simplify_stmt_using_ranges): Call it.
1958 (identify_jump_threads): Mark edges we have queued for removal
1959 so we don't thread them.
1960 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
1962 * tree-cfg.c (group_case_labels): Deal with missing default label.
1963 (tree_verify_flow_info): Allow missing default label.
1964 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
1965 (emit_case_nodes): Likewise.
1966 (expand_case): Do not rely on the default label to be present.
1967 * expr.c (try_casesi): Deal with NULL default_label.
1968 (do_tablejump): Likewise.
1970 2008-04-02 Richard Guenther <rguenther@suse.de>
1972 PR tree-optimization/14495
1973 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
1974 SWITCH_EXPR here ...
1975 (vrp_visit_switch_stmt): ... but here (new function).
1976 (find_case_label_index): New helper function.
1977 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
1979 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1981 * fwprop.c: Fix ISO-C99ism.
1983 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1986 * Makefile.in (objdir): Set it here.
1987 * configure.ac: Not here. Find dynamic linker characteristics.
1988 * exec-tool.in: Use them.
1989 * aclocal.m4: Regenerate.
1990 * configure: Regenerate.
1992 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
1994 * expr.c (expand_var): Delete it.
1995 * expr.h (expand_var): Delete prototype.
1996 * function.c (expand_function_start): Use expand_decl instead.
1997 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2000 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2002 PR rtl-optimization/35542
2003 * fwprop.c (forward_propagate_and_simplify): Replace
2004 loc_reg_mentioned_in_p with reg_mentioned_p.
2006 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2008 PR rtl-optimization/35281
2009 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2010 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2011 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2012 (varying_mem_p): Move above propagate_rtx.
2013 (all_uses_available_at): Do not check MEMs.
2015 2008-04-02 Rafael Espindola <espindola@google.com>
2017 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2018 (register_edge_assert_for_2): Split the cond argument.
2019 (register_edge_assert_for_1): Adjust for the change in
2020 register_edge_assert_for_2.
2021 (register_edge_assert_for): Split the cond argument.
2022 (find_switch_asserts): Adjust for the change in
2023 register_edge_assert_for.
2025 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2027 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2028 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2029 offsets for 64-bit mingw.
2030 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2031 abi for x86_64-pc-mingw.
2033 2008-04-02 Richard Guenther <rguenther@suse.de>
2035 * tree-vrp.c (extract_range_from_assert): Make sure to not
2036 produce range min/max with TREE_OVERFOW set.
2037 If merging a anti-range and a range keep the anti-range if
2038 the range covers all values of the type.
2039 (register_edge_assert_for_2): Only allow sign-changing
2040 conversions in detecting canonical range checks. Also
2041 register an assert for the unsigned name if useful.
2043 PR tree-optimization/35787
2044 * tree-vrp.c (vrp_val_max): New function.
2045 (vrp_val_min): Likewise.
2046 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2047 (vrp_val_is_min): Likewise.
2048 (supports_overflow_infinity): Use vrp_val_{min,max}.
2049 (negative_overflow_infinity): Likewise.
2050 (positive_overflow_infinity): Likewise.
2051 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2052 (is_positive_overflow_infinity): Likewise.
2053 (is_overflow_infinity): Likewise.
2054 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2055 vrp_val_is_{min,max}.
2056 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2057 to ranges if possible. Avoid empty ranges.
2059 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2062 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2063 the expression is a function address.
2065 2008-04-01 George Helffrich <george@gcc.gnu.org>
2067 PR fortran/PR35154, fortran/PR23057
2068 * fortran/trans-common.c (create_common): Add decl to function
2069 chain to preserve identifier scope in debug output.
2071 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2072 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2073 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2074 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2076 (dbxout_syms): Check for COMMON-based symbol and wrap in
2077 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2078 in bracket for efficiency.
2080 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2081 using DW_TAG_common_block + member offset.
2082 (add_pubname_string): New function.
2083 (dw_expand_expr): New function to find block name and offset for
2085 (common_check): New function to check whether symbol in Fortran COMMON.
2086 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2088 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
2089 use of common is unchanged.
2091 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
2092 with all combinations of debug options available on target.
2093 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
2094 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
2095 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
2096 .stabs functionality.
2097 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
2098 DWARF functionality.
2100 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2103 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2105 2008-04-02 Ben Elliston <bje@au.ibm.com>
2107 * config/v850/v850.md (casesi): Remove if (0) code.
2108 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2109 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2111 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2113 * config/i386/i386.md (rex64suffix): New mode attribute.
2114 (floathi<mode>2): Disable expander for SSE math.
2115 (*floathi<mode>2_1): New insn insn_and_split pattern.
2116 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2117 corresponding post-reload splitters.
2118 (*floathi<mode>2_i387): New macroized insn pattern.
2119 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2120 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2121 insn_and_split pattern.
2122 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2123 New macroized instruction patterns and corresponding post-reload
2125 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2126 and corresponding post-reload splitters.
2127 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2128 New macroized instruction patterns.
2129 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2130 macroized instruction patterns and corresponding post-reload splitters.
2131 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2132 corresponding post-reload splitters.
2133 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2134 New macroized instruction patterns.
2135 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2136 corresponding post-reload splitters.
2137 (*floatsi<mode>2_i387): New macroized instruction patterns.
2139 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2141 * config/i386/i386.md (smaxmin): New.
2142 (umaxmin): Likewise.
2143 (maxminiprefix): Likewise.
2144 (maxminfprefix): Likewise.
2145 (<code><mode>3): Likewise.
2146 (smin<mode>3): Removed.
2147 (smax<mode>3): Likewise.
2149 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2150 (mmx_<code>v4hi3): Likewise.
2151 (mmx_<code>v8qi3): Likewise.
2152 (mmx_smaxv2sf3): Removed.
2153 (mmx_sminv2sf3): Likewise.
2154 (mmx_umaxv8qi3): Likewise.
2155 (mmx_smaxv4hi3): Likewise.
2156 (mmx_uminv8qi3): Likewise.
2157 (mmx_sminv4hi3): Likewise.
2159 * config/i386/sse.md (<addsub><mode>3): New.
2160 (*<addsub><mode>3): Likewise.
2161 (<sse>_vm<addsub><mode>3): Likewise.
2162 (<maxmin><mode>3): Likewise.
2163 (*<maxmin><mode>3_finite): Likewise.
2164 (*<maxmin><mode>3): Likewise.
2165 (<sse>_vm<maxmin><mode>3): Likewise.
2166 (sse3_h<addsub>v4sf3): Likewise.
2167 (sse3_h<addsub>v2df3): Likewise.
2168 (<maxmin>v16qi3): Likewise.
2169 (*<maxmin>v16qi3): Likewise.
2170 (<maxmin>v8hi3): Likewise.
2171 (*<maxmin>v8hi3): Likewise.
2172 (*sse4_1_<maxmin><mode>3): Likewise.
2173 (*sse4_1_<maxmin><mode>3): Likewise.
2174 (add<mode>3): Removed.
2175 (*add<mode>3): Likewise.
2176 (<sse>_vmadd<mode>3): Likewise.
2177 (sub<mode>3): Likewise.
2178 (*sub<mode>3): Likewise.
2179 (<sse>_vmsub<mode>3): Likewise.
2180 (smin<mode>3): Likewise.
2181 (*smin<mode>3_finite): Likewise.
2182 (*smin<mode>3): Likewise.
2183 (<sse>_vmsmin<mode>3): Likewise.
2184 (smax<mode>3): Likewise.
2185 (*smax<mode>3_finite): Likewise.
2186 (*smax<mode>3): Likewise.
2187 (<sse>_vmsmax<mode>3): Likewise.
2188 (sse3_haddv4sf3): Likewise.
2189 (sse3_haddv2df3): Likewise.
2190 (sse3_hsubv4sf3): Likewise.
2191 (sse3_hsubv2df3): Likewise.
2192 (umaxv16qi3): Likewise.
2193 (*umaxv16qi3): Likewise.
2194 (smaxv8hi3): Likewise.
2195 (*smaxv8hi3): Likewise.
2196 (*sse4_1_smax<mode>3): Likewise.
2197 (*sse4_1_umax<mode>3): Likewise.
2198 (uminv16qi3): Likewise.
2199 (*uminv16qi3): Likewise.
2200 (sminv8hi3): Likewise.
2201 (*sminv8hi3): Likewise.
2202 (*sse4_1_smin<mode>3): Likewise.
2203 (*sse4_1_umin<mode>3): Likewise.
2205 2008-04-01 Rafael Espindola <espindola@google.com>
2207 * tree-cfg.c (verify_expr): remove in_phi.
2208 (verify_stmt): Don't call walk_tree with verify_expr. Use
2209 is_gimple_min_invariant instead of is_gimple_val.
2211 2008-04-01 Joseph Myers <joseph@codesourcery.com>
2213 * doc/include/gpl_v3.texi: Update for manpage generation.
2214 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2216 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2217 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2218 gpl_v3.texi instead of gpl.texi.
2221 2008-04-01 Jakub Jelinek <jakub@redhat.com>
2224 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2226 2008-04-01 Rafael Espindola <espindola@google.com>
2228 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2229 (extract_code_and_val_from_cond): Use
2230 extract_code_and_val_from_cond_with_ops.
2232 2008-04-01 Jan Hubicka <jh@suse.cz>
2234 * function.c (free_after_compilation): Free epilogue_delay_list.
2235 (prepare_function_start): Assert that previous compilation was freed.
2237 2008-04-01 Jan Hubicka <jh@suse.cz>
2238 Jim Wilson <wilson@tuliptree.org>
2239 Andreas Tobler <andreast@gcc.gnu.org>
2242 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
2243 rtl.emit instead cfun->emit.
2244 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
2245 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
2247 2008-04-01 Ben Elliston <bje@au.ibm.com>
2249 * doc/c-tree.texi (Function Basics): Fix grammatical error.
2251 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
2253 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
2255 (fprofile-use): Add var flag_profile_use
2256 * coverage.c (coverage_begin_output): Do not open a gcno file for
2257 output only if -ftest-coverage is set.
2258 Do not add getpwd() to gcda file path.
2259 (build_gcov_info): Check the new flag
2260 flag_profile_datafile_relative_path.
2261 (coverage_init): Use profile_data_prefix.
2262 Read profile counter only if flag_profile_use is set.
2263 * opts.c (common_handle_option): New option fprofile-use=,
2264 fprofile-dir=, fprofile-generate=.
2265 * toplev.c (profile_data_prefix): New variable definition.
2266 * toplev.h (profile_data_prefix): New declaration.
2267 * doc/invoke.tex (Option Summary, Optimization Options):
2270 2008-03-31 James E. Wilson <wilson@tuliptree.org>
2272 * varasm.c (output_constant_pool_1): In LABEL_REF check,
2273 use tmp consistently.
2276 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
2277 * config/ia64/ia64.c (rtx_needs_barrier): Handle
2278 UNSPEC_FR_RECIP_APPROX_RES.
2279 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
2281 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
2284 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
2286 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2289 * fold-const.c (fold_indirect_ref_1): Support accessing non first
2290 element of the vector via a pointer.
2292 2008-03-31 Ian Lance Taylor <iant@google.com>
2294 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
2296 2008-03-31 Jan Hubicka <jh@suse.cz>
2298 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2299 get_arg_pointer_save_area.
2300 * expr.c (init_expr): Just clear out rtl.expr.
2301 * function.c (free_after_compilation): Clear out whole RTL structure.
2302 (get_func_frame_size): Merge into ...
2303 (get_frame_size): ... this one.
2304 (assign_stack_local_1): Merge into ...
2305 (assign_stack_local): ... this one.
2306 (expand_function_end): Update call of get_arg_pointer_save_area.
2307 (get_art_pointer_save_area): Remove cfun argument.
2308 * function.h (emit_status): regno_pointer_align does not need length
2309 attribute. Move x_regno_reg_rtx to ...
2310 (regno_reg_rtx): ... new global array.
2311 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
2312 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
2313 apply_args_value, forced_labels, stack_pointer_delta):
2315 (struct varasm_status): Move here from varasm.c
2316 (struct rtl_data): New. Move here some fields from struct function.
2317 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2318 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2319 used_temp_slots avail_temp_slots, temp_slot_level,
2320 nonlocal_goto_handler_labels): Update accesstors.
2321 (rtl): New global variable.
2322 (struct function): Move some fileds to rtl_data.
2323 (get_arg_pointer_save_area): Update prototype.
2324 * emit-rtl.c (rtl): Declare.
2325 (regno_reg_rtx): Declare.
2326 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2328 (gen_reg_rtx): Update.
2329 (init_virtual_regs): Do not tate emit_status argument.
2330 (init_emit): Do not allocate emit.
2331 * varasm.c (varasm_statuc): Move to function.h.
2332 (n_deferred_constatns): Update accestor.
2333 (init_varasm_status): Do not allocate varasm_status.
2334 (force_const_mem, get_pool_size, output_constant_pool): Update.
2335 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2336 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2338 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
2340 PR rtl-optimization/35729
2341 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
2344 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
2347 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
2348 load/store if memory is unaligned.
2349 (*movti_rex64): Likewise.
2351 * config/i386/predicates.md (misaligned_operand): New.
2353 2008-03-31 Andrew Pinski <pinskia@gmail.com>
2356 * tree-ssa-phiopt.c (conditional_replacement): Return early for
2359 2008-03-31 Jan Beulich <jbeulich@novell.com>
2361 * config/ia64/constraints.md: Add 'j' constraint.
2362 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
2363 (movdi_internal): Likewise.
2365 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
2368 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
2370 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2373 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
2374 proper error message for the third argument on blendpd and
2377 * config/i386/sse.md (blendbits): New.
2378 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
2380 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
2382 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
2384 2008-03-30 Richard Guenther <rguenther@suse.de>
2387 * fold-const.c (fold_sign_changed_comparison): Do leave
2388 conversions to base-types alone.
2390 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2392 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
2393 the link register if one altivec register is be saved.
2395 2008-03-30 Ben Elliston <bje@au.ibm.com>
2397 * final.c (final_scan_insn): Remove if (0) code.
2399 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
2401 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
2403 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
2405 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
2406 of V4SFmode to ix86_binary_operator_ok.
2408 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
2410 * config/i386/i386.c (override_options): Initialize
2411 ix86_veclib_handler to ix86_veclibabi_svml when
2412 -mveclibabi=svml is used.
2413 (ix86_veclibabi_svml): New function for SVML ABI style
2414 vectorization support.
2415 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
2417 2008-03-28 Rafael Espindola <espindola@google.com>
2419 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2420 (tree_binary_nonnegative_warnv_p): Make it public.
2421 (tree_single_nonnegative_warnv_p): Make it public.
2422 (tree_invalid_nonnegative_warnv_p): Make it public.
2423 (tree_unary_nonzero_warnv_p): Make it public.
2424 (tree_binary_nonzero_warnv_p): Make it public
2425 (tree_single_nonzero_warnv_p): Make it public.
2426 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2427 (extract_range_from_binary_expr): Split the expr argument.
2428 (extract_range_from_unary_expr): Split the expr argument.
2429 (extract_range_from_comparison): Split the expr argument.
2430 (extract_range_from_expr): Use the new aux functions.
2431 (vrp_evaluate_conditional_warnv): Use
2432 vrp_evaluate_conditional_warnv_with_ops.
2433 * tree.h (tree_unary_nonzero_warnv_p): Declare.
2434 (tree_binary_nonzero_warnv_p): Declare.
2435 (tree_single_nonzero_warnv_p): Declare.
2436 (tree_expr_nonzero_warnv_p): Declare.
2437 (tree_unary_nonnegative_warnv_p): Declare.
2438 (tree_binary_nonnegative_warnv_p): Declare.
2439 (tree_single_nonnegative_warnv_p): Declare.
2440 (tree_invalid_nonnegative_warnv_p): Declare.
2442 2008-03-28 Richard Guenther <rguenther@suse.de>
2444 PR tree-optimization/30317
2445 PR tree-optimization/30911
2446 PR tree-optimization/34793
2447 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2448 (struct assert_locus_d): New member EXPR.
2449 (register_new_assert_for): Add EXPR parameter to support
2450 ASSERT_EXPR <name, expr OP limit>.
2451 (register_edge_assert_for_1): Adjust callers.
2452 (find_assert_locations): Likewise.
2453 (process_assert_insertions_for): Build condition from expression.
2454 (extract_range_from_assert): Handle ASSERT_EXPRs
2455 of the form ASSERT_EXPR <name, expr OP limit>.
2456 (register_edge_assert_for_2): New helper registering
2457 asserts for comparisons. Recognize range tests of the form
2458 (unsigned)i - CST1 OP CST2.
2459 (register_edge_assert_for_1): Use it.
2460 (register_edge_assert_for): Likewise.
2461 (needs_overflow_infinity): Integer sub-types
2462 do not need overflow infinities.
2463 (vrp_val_is_max): The extreme values of integer sub-types
2464 are those of the base type.
2465 (vrp_val_is_min): Likewise.
2466 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2469 2008-03-28 Nick Clifton <nickc@redhat.com>
2472 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2473 Return GENERAL_REGS for stack adjustment reloads.
2475 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2478 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2479 const_vector when all the vectors are constant.
2481 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2483 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2485 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2486 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2488 (s<code>_sf): Use new scc_sf attribute for opcode names.
2490 2008-03-27 Tom Tromey <tromey@redhat.com>
2492 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2493 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2494 config/spu/t-spu-elf, config/i386/t-interix,
2495 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2496 config/i386/x-darwin, config/i386/x-mingw32,
2497 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2498 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2499 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2500 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2501 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2502 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2503 config/score/t-score-elf, config/arm/t-strongarm-pe,
2504 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2505 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2506 Revert automatic dependency patch.
2508 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2511 * config/i386/i386.c (ix86_function_arg_boundary): Align
2512 decimal floating point to its natural boundary.
2514 2008-03-27 Richard Guenther <rguenther@suse.de>
2517 * fold-const.c (fold_comparison): Restrict distinct decl
2518 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2519 solely rely on operand_equal_p.
2521 2008-03-27 Richard Guenther <rguenther@suse.de>
2524 * c-common.c (handle_weak_attribute): Reject combination of
2527 2008-03-27 Richard Guenther <rguenther@suse.de>
2529 PR tree-optimization/32810
2530 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2531 conversions from DECL_INITIAL.
2532 (fold_const_aggregate_ref): Likewise from constructor elements.
2534 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2536 * tree-affine.h (aff_combination_expand): Declare.
2537 (get_inner_reference_aff): Likewise.
2538 * tree-affine.c (aff_combination_expand): Split out from
2539 tree_to_aff_combination_expand.
2540 (get_inner_reference_aff): New function.
2541 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2542 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2543 (struct lim_aux_data): sm_done field removed.
2544 (mem_ref_loc_p, mem_ref_locs_p): New types.
2545 (struct mem_ref): Added id, stored, accesses_in_loop,
2546 indep_loop, dep_loop, indep_ref, dep_ref fields.
2547 Removed is_stored, locs and next fields.
2548 (memory_accesses): New variable.
2549 (movement_possibility): Do not allow moving statements
2550 that store to memory.
2551 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2553 (determine_max_movement): For statements with memory references,
2554 find the outermost loop in that the reference is independent.
2555 (move_computations_stmt): Mark the virtual operands for renaming.
2556 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2557 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2558 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2559 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2560 create_vop_ref_mapping, analyze_memory_references,
2561 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2562 get_all_locs_in_loop, ref_always_accessed_p,
2563 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2564 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2565 store_motion_loop, store_motion): New functions.
2566 (struct vop_to_refs_elt): New type.
2567 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2568 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2569 (schedule_sm): Replaced by...
2570 (execute_sm): ... this.
2571 (determine_lsm_ref, hoist_memory_references,
2572 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2573 find_more_ref_vops, free_mem_ref, free_mem_refs,
2574 determine_lsm_loop, determine_lsm): Removed.
2575 (tree_ssa_lim_finalize): Free data structures used by store motion.
2576 (tree_ssa_lim): Call analyze_memory_references. Use
2577 store_motion instead of determine_lsm.
2579 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2581 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2582 rename tmake_file to m68hc11/t-m68hc11.
2583 (mcore): Set inhibit_libc to true.
2584 * config.host (alpha*-dec-*vms*): Set extra_programs.
2585 (interix3*): Don't use host_xmake_file.
2586 * configure.ac: Let config.gcc override inhibit_libc.
2587 * configure: Regenerate.
2589 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2590 * config/t-openbsd-thread: Remove commented out lines.
2592 * config/x-interix: Remove.
2594 * config/m68hc11/t-m68hc11-gas: Rename to...
2595 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2597 * config/mcore/t-mcore: Remove T_CFLAGS.
2598 * config/mcore/t-mcore-pe: Likewise.
2600 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2602 * configure.ac: Replace custom __GNU_SOURCE test with
2603 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2604 * aclocal.m4: Regenerate.
2605 * configure: Regenerate.
2606 * config.in: Regenerate.
2608 2008-03-27 Richard Guenther <rguenther@suse.de>
2610 * fold-const.c (target.h): Include.
2611 (fold_comparison): Fold comparison of addresses of decls
2612 that bind locally or of constants. Consolidate address folding code.
2613 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2614 results from fold_binary_to_constant.
2615 (compare_values_warnv): Likewise.
2617 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2620 * fold-const.c (fold_truthop): Check for integeral types when folding
2621 a == 0 && b == 0 and a != 0 || b != 0 .
2623 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2625 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2627 2008-03-26 Andreas Schwab <schwab@suse.de>
2629 * doc/invoke.texi: Fix use of @item vs. @itemx.
2631 2008-03-26 Tom Tromey <tromey@redhat.com>
2633 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2634 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2635 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2636 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2637 build/genconstants.o, build/genemit.o, build/genextract.o,
2638 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2639 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2642 2008-03-26 Richard Guenther <rguenther@suse.de>
2645 2008-03-26 Richard Guenther <rguenther@suse.de>
2647 * fold-const.c (target.h): Include.
2648 (fold_comparison): Fold comparison of addresses of two decls
2649 that bind locally. Consolidate address folding code.
2651 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2653 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2654 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2655 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2656 dconstsqrt2, dconstthird, dconste and/or dconst10.
2657 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2658 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2659 dconstsqrt2, dconste): Delete.
2660 (init_emit_once): Likewise. Simplify initializing dconstm1.
2662 * real.c (get_real_const): New.
2663 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2664 dconstsqrt2, dconste): Delete.
2665 (real_value_const, get_real_const): New.
2667 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2669 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2671 * config/i386/i386.c (ix86_function_arg_boundary): Check
2672 BIGGEST_ALIGNMENT instead of 128.
2673 (setup_incoming_varargs_64): Likewise.
2675 2008-03-26 Tom Tromey <tromey@redhat.com>
2677 * Makefile.in (DEPFILES): Add missing '/'.
2679 2008-03-26 Richard Guenther <rguenther@suse.de>
2681 * fold-const.c (target.h): Include.
2682 (fold_comparison): Fold comparison of addresses of two decls
2683 that bind locally. Consolidate address folding code.
2685 2008-03-26 Nick Clifton <nickc@redhat.com>
2688 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2689 not allow INT+INT as a legitimate addressing mode.
2691 2008-03-26 Richard Guenther <rguenther@suse.de>
2693 * tree-flow.h (widen_bitfield): Remove declaration.
2694 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2695 (widen_bitfield): Remove function.
2696 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2699 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2702 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2705 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2707 PR rtl-optimization/35232
2708 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2709 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2710 reg_reloaded_call_part_clobbered here.
2711 (reload_regs_reach_end_p): New function.
2712 (reload_reg_rtx_for_input): New variable.
2713 (reload_reg_rtx_for_output): Likewise.
2714 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2715 when reassigning a pseudo register. Load reloadreg from
2716 reload_reg_rtx_for_input, moving the mode and register
2718 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2719 instead of the original when deciding whether an input reload
2720 would be a no-op or whether an output reload can be deleted.
2721 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2722 when setting up new_spill_reg_store. Load it from
2723 reload_reg_rtx_for_output, moving the mode and register
2725 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2726 instead of the original when deciding whether an output reload
2727 would be a no-op. Do the same when modifying insn notes.
2728 Use rtx_equal_p instead of == to compare the registers.
2729 (inherit_piecemeal_p): Take a mode and two register numbers
2731 (emit_reload_insns): Clear new_spill_reg_store for every hard
2732 register in the reload register. Remove spill registers
2733 from reg_reloaded_valid before considering whether to record
2734 inheritance information for them. Use reload_reg_rtx_for_output
2735 instead of reg_rtx when recording output reloads. Use
2736 reload_reg_rtx_for_input instead of reg_rtx when recording
2737 input reloads. Set or clear reg_reloaded_call_part_clobbered
2738 at the same time as setting reg_reloaded_valid.
2739 (delete_output_reload): Add a new_reload_reg parameter and use it
2740 instead of rld[j].reg_rtx.
2741 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2744 2008-03-25 Tom Tromey <tromey@redhat.com>
2746 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2747 (build/genattr.o): Likewise.
2748 (build/genattrtab.o): Likewise.
2749 (build/gencodes.o): Likewise.
2750 (build/genconfig.o): Likewise.
2751 (build/genconstants.o): Likewise.
2752 (build/genemit.o): Likewise.
2753 (build/genextract.o): Likewise.
2754 (build/genflags.o): Likewise.
2756 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2758 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2759 instead of size_int for integer types.
2760 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2761 to match type of MINUS_EXPR.
2763 2008-03-25 Tom Tromey <tromey@redhat.com>
2765 * configure: Rebuilt.
2766 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2769 2008-03-25 Tom Tromey <tromey@redhat.com>
2771 * config/x-solaris (host-solaris.o): Update.
2772 * config/x-linux (host-linux.o): Update.
2773 * config/x-hpux (host-hpux.o): Update.
2774 * config/x-darwin (host-darwin.o): Update.
2775 * config/v850/t-v850e (v850-c.o): Update.
2776 * config/v850/t-v850 (v850-c.o): Update.
2777 * config/t-vxworks (vxworks.o): Update.
2778 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2779 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2780 * config/spu/t-spu-elf (spu-c.o): Update.
2782 * config/sh/t-symbian (sh-c.o): Update.
2783 (symbian.o): Update.
2784 * config/sh/t-sh (sh-c.o): Update.
2785 * config/score/t-score-elf (score7.o, score3.o): Update.
2786 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2787 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2788 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2789 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2791 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2792 * config/m32c/t-m32c (m32c-pragma.o): Update.
2793 * config/ia64/t-ia64 (ia64-c.o): Update.
2794 * config/i386/x-mingw32 (host-mingw32.o): Update.
2795 * config/i386/x-i386 (driver-i386.o): Update.
2796 * config/i386/x-darwin (host-i386-darwin.o): Update.
2797 * config/i386/x-cygwin (host-cygwin.o): Update.
2798 * config/i386/t-nwld (nwld.o): Update.
2799 * config/i386/t-netware (netware.o): Update.
2800 * config/i386/t-interix (winnt.o): Update.
2801 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2802 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2803 msformat-c.o): Update.
2804 * config/bfin/t-bfin-linux (generated_files): Add
2805 linux-sysroot-suffix.h.
2806 * config/arm/t-wince-pe (pe.o): Update.
2807 * config/arm/t-strongarm-pe (pe.o): Update.
2808 * config/arm/t-pe (pe.o): Update.
2809 * config/arm/t-arm (arm-c.o): Update.
2810 * doc/install.texi (Prerequisites): Require make 3.80.
2811 * Makefile.in: Remove .o targets.
2812 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2813 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2814 (simple_generated_h, simple_generated_c): Move earlier.
2815 (generated_files): New variable.
2816 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2817 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2818 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2819 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2820 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2821 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2822 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2823 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2824 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2825 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2826 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2827 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2829 (COMPILE.base, COMPILE): New variables.
2830 (%.o): New pattern rule.
2831 (ALL_HOST_OBJS): New variable.
2832 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2833 (dummy-checksum.o, cc1-checksum.o): Remove.
2834 (DRIVER_SHLIB): New variable.
2835 (DRIVER_DEFINES): Use it.
2836 (gencondmd.c): Move out of build/.
2837 (s-conditions): Update.
2838 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2839 (ALL_BUILD_OBJS): Likewise.
2840 (build/%.o): Use BUILDCOMPILE.
2841 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2842 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2843 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2844 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2845 build/genconfig.o, build/genconstants.o, build/genemit.o,
2846 build/genextract.o, build/genflags.o, build/genmddeps.o,
2847 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2848 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2849 build/gen-protos.o, build/scan.o, build/fix-header.o,
2850 build/scan-decls.o): Simplify.
2851 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2852 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2853 prefix.o, toplev.o): Reduce to variable setting.
2854 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2855 ($(out_object_file), gcc-options.o): New targets.
2856 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2857 * configure: Rebuilt.
2858 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2859 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2861 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2863 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2864 complain when we hit an error, return ERROR_MARK_NODE.
2866 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2868 * config/sh/constraints.md (Pso, Psz): New constraints.
2869 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2870 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2872 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2874 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2875 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2877 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2879 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2880 (prefetch_sh2a): New.
2882 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2883 Naveen.H.S <naveen.hs@kpitcummins.com>
2885 * config/sh/constraints.md (I28): New constraint.
2886 * config/sh/sh.c (broken_move): Add support for movi20s.
2887 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2889 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2890 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2891 Naveen.H.S <naveen.hs@kpitcummins.com>
2893 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2894 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2895 (print_operand): Handle resbank in %@ operand code.
2896 (sh_encode_section_info): New.
2897 (push_regs): Add conditions for resbank.
2898 (sh_expand_epilogue): Likewise.
2899 (sh_insert_attributes): Likewise.
2900 (sh_attribute_table): Likewise.
2901 (sh_handle_resbank_handler_attribute): New.
2902 (sh2a_handle_function_vector_handler_attribute): New.
2903 (sh2a_is_function_vector_call): New.
2904 (sh2a_get_function_vector_number): New.
2905 (sh2a_function_vector_p): New.
2906 (sh_cfun_resbank_handler_p): New.
2907 * config/sh/sh.md (calli): Emit jsr/n if possible.
2908 (calli_tbr_rel): New.
2909 (calli_pcrel): Emit jsr/n if possible.
2910 (return_i): Emit rts/n if possible.
2911 (call_valuei_tbr_rel): New.
2912 (call_valuei_pcrel): Add condition for SH2A target.
2913 (call_value): Likewise.
2914 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2915 (sh2a_get_function_vector_number): Likewise.
2916 (sh2a_is_function_vector_call): Likewise.
2917 * doc/extend.texi: Document TBR relative addressing of SH2A.
2918 (resbank): Add description for SH2A.
2920 2008-03-24 Richard Guenther <rguenther@suse.de>
2923 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2924 pointer assignments change conversions according to middle-end rules.
2925 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2926 * configure.ac: Include type checking in yes.
2927 * configure: Regenerate.
2929 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2931 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2932 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2934 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2936 * gthr-vxworks.h (UNUSED): Define.
2938 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2940 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
2942 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2944 * doc/extend.texi (Function Attributes): Add missing comma in the
2945 example of the "alloc_size" attribute.
2947 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2950 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2952 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2955 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
2958 * stor-layout.c (update_alignment_for_field): Set minimum alignment
2959 of the underlying type of a MS bitfield layout to the natural
2960 alignment of the type.
2962 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2964 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2965 to their natural alignment to avoid store forwarding stalls.
2967 2008-03-22 Richard Guenther <rguenther@suse.de>
2969 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
2970 For PHI nodes verify the address is invariant.
2971 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
2972 (get_symbol_constant_value): Use is_gimple_min_invariant.
2973 (maybe_fold_stmt_indirect): Likewise.
2975 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
2977 PR rtl-optimization/33927
2978 * Makefile.in (dse.o): Depend on $(TM_P_H).
2979 * expr.h (extract_low_bits): Declare.
2980 * expmed.c (extract_low_bits): New function.
2981 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
2982 * dse.c: Include tm_p.h.
2983 (find_shift_sequence): Remove the read_reg argument and return the
2984 read value. Emit the instructions instead of returning them.
2985 Iterate on new_mode rather than calculating it each time.
2986 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
2987 source to NEW_MODE and extract_low_bits to convert the shifted
2989 (replace_read): Allow the load and store to have different mode
2990 classes. Use extract_low_bits when SHIFT == 0. Create the shift
2991 or extraction instructions before trying the replacement. Update
2992 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
2994 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
2996 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
2997 to their natural alignment to avoid store forwarding stalls.
2999 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3002 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3003 encouraging but not allowing gprs for input;
3004 change the input constraint to !f#r.
3005 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3007 change the output constraint to !f#r.
3009 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3012 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3013 corresponding post-reload splitters.
3014 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3015 when x87 FP math is selected.
3016 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3017 New function prototype.
3018 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3019 unreachable function to ease macroization of insn patterns.
3021 2008-03-21 Martin Jambor <mjambor@suse.cz>
3023 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3024 reference dumps if ddr is NULL or dependence is unknown.
3026 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3028 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3029 unsigned extension into account.
3030 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3031 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3032 Do computations on a scratch register.
3034 2008-03-21 Richard Guenther <rguenther@suse.de>
3036 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3037 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3038 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3039 * tree-ssa-dom.c (record_equality): Likewise.
3040 * tree-inline.c (copy_body_r): Likewise.
3041 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3044 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3046 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3047 as 'delete_unused' argument.
3049 2008-03-20 Richard Guenther <rguenther@suse.de>
3051 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3052 special casing of constant qualifiers.
3053 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3054 care about them in general.
3055 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3056 regardless of their type.
3057 (fold_stmt_r): Forcefully fold *& if we end up with that.
3059 2008-03-20 Paul Brook <paul@codesourcery.com>
3061 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3062 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3064 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3066 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3067 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3069 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3071 * common.opt (Wmudflap): New option.
3072 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3073 (mx_register_decls): Likewise.
3074 (mudflap_finish_file): Likewise.
3075 * doc/invoke.texi: Document -Wno-mudflap.
3077 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3079 * c-format.c (replace_format_name_to_system_name): New.
3081 (convert_format_name_to_system_name): New.
3082 (decode_format_attr): Add use of convert_format_name_to_system_name.
3083 (format_types_orig): Add gnu_ prefix to names.
3084 (check_format_info_main): Special treating of \0 escaped names for
3085 supporting multi-character format specifiers as I32, I64.
3086 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3087 (gnu_target_overrides_format_attributes): New.
3088 * c-format.h: Add structure target_ovr_attr to hold
3089 system specific formatter names.
3090 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3091 msformat-c.o file to c_target_objs and cxx_target_objs.
3092 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3093 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3094 (TARGET_N_FORMAT_TYPES): New.
3095 * config/i386/msformat-c.c: New.
3096 * config/i386/t-cygming: Add build rule for msformat-c.o.
3097 * doc/extend.texi: Add new format names gnu_* and ms_* and
3099 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3101 2008-03-20 Ira Rosen <irar@il.ibm.com>
3103 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3104 optimizations turned on under -O3.
3105 (ftree-vectorize): Add that the flag is turned on with -O3.
3107 2008-03-20 Ben Elliston <bje@au.ibm.com>
3109 * regmove.c (try_auto_increment): Fix spelling error in comment.
3110 * final.c (final_scan_insn): Likewise.
3112 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3115 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3116 allocator preferences for "y" and "r" class registers.
3117 ("*mov<mode>_internal"): Ditto.
3118 ("*movv2sf_internal_rex64"): Ditto.
3119 ("*movv2sf_internal"): Ditto.
3121 2008-03-19 Michael Matz <matz@suse.de>
3124 * calls.c (expand_call): Check overlap of arguments with call
3125 address for sibcalls.
3127 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3130 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3131 of the underlying type of a MS bitfield layout to the natural
3132 alignment of the type.
3134 2008-03-19 Jan Hubicka <jh@suse.cz>
3137 * toplev.c (decode_d_option): Handle all CPP flags.
3138 * tree-vrp.c: Update tree_pass descriptors.
3139 * regrename.c: Update tree_pass descriptors.
3140 * fwprop.c: Update tree_pass descriptors.
3141 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3142 * tree-into-ssa.c: Update tree_pass descriptors.
3143 * tree-dump.c: Update tree_pass descriptors.
3144 * tree-complex.c: Update tree_pass descriptors.
3145 * tree-dump.h: Update tree_pass descriptors.
3146 * see.c: Update tree_pass descriptors.
3147 * cgraphbuild.c: Update tree_pass descriptors.
3148 * tracer.c: Update tree_pass descriptors.
3149 * tree-loop-distribution.c: Update tree_pass descriptors.
3150 * cgraph.c: Update tree_pass descriptors.
3151 * postreload-gcse.c: Update tree_pass descriptors.
3152 * postreload.c: Update tree_pass descriptors.
3153 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3154 * tree-tailcall.c: Update tree_pass descriptors.
3155 * tree-pass.h (tree_opt_pass): Rename to ...
3156 (opt_pass) ... this one; add "type" field and remove letter field.
3157 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3158 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3159 all_lowering_passes): Update declaration.
3160 * ipa-cp.c: Update tree_pass descriptors.
3161 * final.c: Update tree_pass descriptors.
3162 * omp-low.c: Update tree_pass descriptors.
3163 * tree-ssa-dse.c: Update tree_pass descriptors.
3164 * ipa-reference.c: Update tree_pass descriptors.
3165 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3166 * auto-inc-dec.c: Update tree_pass descriptors.
3167 * reorg.c: Update tree_pass descriptors.
3168 * cgraphunit.c: Update tree_pass descriptors.
3169 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3170 * tree-ssa-ccp.c: Update tree_pass descriptors.
3171 * df-core.c: Update tree_pass descriptors.
3172 * mode-switching.c: Update tree_pass descriptors.
3173 * tree-nomudflap.c: Update tree_pass descriptors.
3174 * modulo-sched.c: Update tree_pass descriptors.
3175 * ipa-pure-const.c: Update tree_pass descriptors.
3176 * cse.c: Update tree_pass descriptors.
3177 * web.c: Update tree_pass descriptors.
3178 * tree-stdarg.c: Update tree_pass descriptors.
3179 * tree-ssa-math-opts.c: Update tree_pass descriptors.
3180 * tree-ssa-dom.c: Update tree_pass descriptors.
3181 * tree-nrv.c: Update tree_pass descriptors.
3182 * tree-ssa-alias.c: Update tree_pass descriptors.
3183 * loop-init.c: Update tree_pass descriptors.
3184 * gimple-low.c: Update tree_pass descriptors.
3185 * ipa-inline.c: Update tree_pass descriptors.
3186 * tree-ssa-sink.c: Update tree_pass descriptors.
3187 * global.c: Update tree_pass descriptors.
3188 * ifcvt.c: Update tree_pass descriptors.
3189 * jump.c: Update tree_pass descriptors.
3190 * predict.c: Update tree_pass descriptors.
3191 * tree-ssa-loop.c: Update tree_pass descriptors.
3192 * recog.c: Update tree_pass descriptors.
3193 * dse.c: Update tree_pass descriptors.
3194 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3195 * tree-eh.c: Update tree_pass descriptors.
3196 * regmove.c: Update tree_pass descriptors.
3198 * function.c: Update tree_pass descriptors.
3199 * tree-vectorizer.c: Update tree_pass descriptors.
3200 * gcse.c: Update tree_pass descriptors.
3201 * ipa-type-escape.c: Update tree_pass descriptors.
3202 * tree-if-conv.c: Update tree_pass descriptors.
3203 * init-regs.c: Update tree_pass descriptors.
3204 * ipa.c: Update tree_pass descriptors.
3205 * tree-ssa-phiopt.c: Update tree_pass descriptors.
3206 * rtl-factoring.c: Update tree_pass descriptors.
3207 * lower-subreg.c: Update tree_pass descriptors.
3208 * bt-load.c: Update tree_pass descriptors.
3209 * tree-dfa.c: Update tree_pass descriptors.
3210 * except.c: Update tree_pass descriptors.
3211 * emit-rtl.c: Update tree_pass descriptors.
3212 * cfgexpand.c: Update tree_pass descriptors.
3213 * tree-cfgcleanup.c: Update tree_pass descriptors.
3214 * cfgcleanup.c: Update tree_pass descriptors.
3215 * tree-ssa-pre.c: Update tree_pass descriptors.
3216 * tree-sra.c: Update tree_pass descriptors.
3217 * tree-mudflap.c: Update tree_pass descriptors.
3218 * tree-ssa-copy.c: Update tree_pass descriptors.
3219 * cfglayout.c: Update tree_pass descriptors.
3220 * tree-ssa-forwprop.c: Update tree_pass descriptors.
3221 * tree-ssa-dce.c: Update tree_pass descriptors.
3222 * tree-ssa.c: Update tree_pass descriptors.
3223 * regclass.c: Update tree_pass descriptors.
3224 * integrate.c: Update tree_pass descriptors.
3225 * tree-optimize.c: Update tree_pass descriptors.
3226 * tree-ssa-phiprop.c: Update tree_pass descriptors.
3227 * tree-object-size.c: Update tree_pass descriptors.
3228 * combine.c: Update tree_pass descriptors.
3229 * tree-outof-ssa.c: Update tree_pass descriptors.
3230 * bb-reorder.c: Update tree_pass descriptors.
3231 * stack-ptr-mod.c: Update tree_pass descriptors.
3232 * var-tracking.c: Update tree_pass descriptors.
3233 * tree-profile.c: Update tree_pass descriptors.
3234 * tree-vect-generic.c: Update tree_pass descriptors.
3235 * reg-stack.c: Update tree_pass descriptors.
3236 * sched-rgn.c: Update tree_pass descriptors.
3237 * tree-ssa-structalias.c: Update tree_pass descriptors.
3238 * tree-cfg.c: Update tree_pass descriptors.
3239 * passes.c (current_pass): Update declaration.
3240 (finish_optimization_passes): Update.
3241 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
3242 (register_one_dump_file, register_dump_files_1, next_pass_1):
3244 (init_optimization_passes): Update handling of new types.
3245 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
3246 * ipa-struct-reorg.c: Update tree_pass descriptors.
3247 * tree-ssa-reassoc.c: Update tree_pass descriptors.
3248 * combine-stack-adj.c: Update tree_pass descriptors.
3249 * cfgrtl.c: Update tree_pass descriptors.
3250 * dce.c: Update tree_pass descriptors.
3251 * tree-ssanames.c: Update tree_pass descriptors.
3253 2008-03-19 Richard Guenther <rguenther@suse.de>
3256 * tree-ssa.c (walk_data): New structure.
3257 (warn_uninitialized_var): If not always_executed warn with "maybe"
3259 (execute_early_warn_uninitialized): Compute post-dominators.
3260 Initialize always_executed before processing each basic block.
3262 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
3265 * config/i386/i386.c (x86_this_parameter): Calculate correct location
3266 of "this" pointer when "regparm = N" or "fastcall" is in effect.
3268 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3270 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
3272 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
3274 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
3276 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
3277 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
3278 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
3279 target after ignore has been set, and move there also the commputation
3280 of subtarget and original_target.
3281 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
3282 (LANG_HOOKS_INITIALIZER): Remove it.
3283 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
3285 2008-03-18 Richard Guenther <rguenther@suse.de>
3287 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
3288 found an expression with constants, note that in the VN for the lhs.
3289 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
3290 fold them to constants if possible. Run cleanup_cfg if done so.
3291 (execute_pre): Return todo.
3293 (execute_fre): Likewise.
3294 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
3296 (get_prop_source_stmt): Look through pointer conversions.
3298 2008-03-18 Jan Hubicka <jh@suse.cz>
3300 * tree-pretty-print.c: Include predict.h.
3301 (dump_generic_node): Dump predictor.
3302 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
3303 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
3304 * gimple-low.c (lower_stmt): Likewise.
3305 * expr.c (expand_expr_real): Likewise.
3306 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
3308 (build_predict_expr, build_predict_expr): New.
3309 * predict.h (predictor_name, build_predict_expr): Update.
3310 * c-typeck.c (c_finish_bc_stmt): Add prediction.
3311 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
3312 * predict.def (PRED_CONTINUE): Update hitrate.
3313 * tree.def (PREDICT_EXPR): Define.
3314 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3315 do not handle BIND_EXPR.
3316 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3317 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3318 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3321 2008-03-18 Michael Matz <matz@suse.de>
3323 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3325 2008-03-18 Richard Guenther <rguenther@suse.de>
3327 * tree-gimple.h (is_gimple_invariant_address): Declare.
3328 (is_gimple_constant): Likewise.
3329 * tree-gimple.c (is_gimple_constant): New function.
3330 (is_gimple_invariant_address): Likewise.
3331 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3332 and is_gimple_invariant_address.
3333 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3335 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3336 an addressable base.
3338 2008-03-18 Jakub Jelinek <jakub@redhat.com>
3341 * gimplify.c (gimplify_expr): Gimplify second operand of
3344 2008-03-17 Richard Guenther <rguenther@suse.de>
3346 PR tree-optimization/19637
3347 * fold-const.c (fold_unary): Remove restrictions of removing
3348 intermediate pointer-conversions (P2)(P1)P0.
3349 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3350 conversion to void pointer.
3351 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3353 2008-03-16 James E. Wilson <wilson@tuliptree.org>
3356 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3357 emulated thread local variables.
3359 2008-03-16 Richard Guenther <rguenther@suse.de>
3362 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3363 expand TREE_INVARIANT operations that are not gimple invariant.
3365 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
3367 * doc/extend.texi (Alignment): Say that the ABI controls
3368 the __alignof__ for non-strict-alignment targets rather
3369 than being a recommendation.
3371 2008-03-15 Paul Brook <paul@codesourcery.com>
3373 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3375 (arm_output_fn_unwind): Mark functions that can not be unwound.
3377 2008-03-15 Paul Brook <paul@codesourcery.com>
3379 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3380 extension instructions.
3382 2008-03-15 Richard Guenther <rguenther@suse.de>
3384 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3385 and fold constant aggregate refs.
3386 (fold_const_aggregate_ref): Handle string constants
3387 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
3388 (evaluate_stmt): Simplify now that ccp_fold folds constant
3391 2008-03-15 Paul Brook <paul@codesourcery.com>
3393 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3394 (extzv): Use gen_extzv_t2.
3395 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3397 2008-03-15 Richard Guenther <rguenther@suse.de>
3399 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3400 (fold_const_aggregate_ref): Likewise.
3401 (get_value): Return NULL if we don't have any values.
3402 (ccp_finalize): Set const_val to NULL after freeing it.
3403 * tree-flow.h (get_symbol_constant_value): Declare.
3404 (fold_const_aggregate_ref): Likewise.
3405 * tree-ssa-sccvn.c (try_to_simplify): Use them.
3407 2008-03-15 Richard Guenther <rguenther@suse.de>
3410 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3411 to not produce negative array indices if not allowed. Add
3412 parameter to indicate that.
3413 (maybe_fold_offset_to_component_ref): Allow negative array
3414 indices only for the first member of a structure.
3415 (maybe_fold_offset_to_reference): Allow negative array indices.
3416 (maybe_fold_stmt_addition): Likewise.
3418 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
3419 Anatoly Sokolov <aesok@post.ru>
3421 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
3422 (avr_arch): Add ARCH_AVR6.
3423 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3424 (initial_elimination_offset): Initialize and use 'avr_pc_size'
3425 instead of fixed value 2.
3426 (print_operand_address): Use gs() asm specifier instead of pm().
3427 (avr_assemble_integer): (Ditto.).
3428 (avr_output_addr_vec_elt): (Ditto.).
3429 (print_operand): Handle "!" code.
3430 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
3431 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3432 (AVR_HAVE_EIJMP_EICALL): Define.
3433 (AVR_3_BYTE_PC): Redefine.
3434 (AVR_2_BYTE_PC): (Ditto.).
3435 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3436 (LINK_SPEC): Add atmega2560 and atmega2561.
3437 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3439 * config/avr/avr.md (call_insn): Use eicall instead of icall
3440 for 3 byte PC devices.
3441 (call_value_insn): (Ditto.).
3442 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3443 (indirect_jump): Use only for for 2 byte PC devices.
3444 (*tablejump): (Ditto.).
3445 (*indirect_jump_avr6): Add insn.
3446 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3447 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
3448 instead of ijmp for 3 byte PC devices.
3449 (__tablejump2__): (Ditto.).
3450 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3451 (MULITLIB_DIRNAMES): (Ditto.).
3452 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3454 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3456 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3457 "sse2_umulsidi3". Use V1DI mode for operand 0.
3458 ("mmx_psadbw"): Use V1DI mode for operand 0.
3459 * config/i386/i386-modes.def (V1SI): New vector mode.
3460 * config/i386/i386.c (struct builtin_description)
3461 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3462 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3463 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3464 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3465 v1di_ftype_v8qi_v8qi type.
3466 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3468 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3469 __builtin_ia32_pmuludq]: Fix the mode of return value.
3471 2008-03-15 Richard Guenther <rguenther@suse.de>
3474 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3477 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3479 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3480 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3481 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3482 unless TARGET_SERIALIZE_VOLATILE is enabled.
3483 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3484 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3485 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3487 2008-03-14 Richard Guenther <rguenther@suse.de>
3489 PR tree-optimization/34172
3490 * tree-flow.h (refs_may_alias_p): Declare.
3491 (get_single_def_stmt): Likewise.
3492 (get_single_def_stmt_from_phi): Likewise.
3493 (get_single_def_stmt_with_phi): Likewise.
3494 * tree-dfa.c (refs_may_alias_p): New function.
3495 (get_single_def_stmt): Likewise.
3496 (get_single_def_stmt_from_phi): Likewise.
3497 (get_single_def_stmt_with_phi): Likewise.
3498 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3499 (vn_reference_lookup_1): New helper function.
3500 (vn_reference_lookup): Walk the virtual use-def chain to
3501 continue searching for a match if the def does not alias the
3502 reference we are looking for.
3504 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3506 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3507 archive and Perzl. Update The Written Word listing.
3509 2008-03-14 Richard Guenther <rguenther@suse.de>
3511 PR tree-optimization/34043
3512 PR tree-optimization/33989
3513 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3515 (bitmap_find_leader): Use extra argument to verify dominance
3516 relationship inside a basic-block.
3517 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3518 (find_leader_in_sets): Adjust.
3519 (create_component_ref_by_pieces): Take extra argument for
3520 dominance check, handle lookup failures.
3521 (find_or_generate_expression): Likewise.
3522 (create_expression_by_pieces): Likewise.
3523 (insert_into_preds_of_block): Adjust.
3524 (create_value_expr_from): If asked for, verify all operands
3525 are in the blocks AVAIL_OUT set.
3526 (make_values_for_stmt): Check for SSA_NAMEs that are life
3527 over an abnormal edge.
3528 (compute_avail): Remove such check.
3529 (do_SCCVN_insertion): New function.
3530 (eliminate): If we do not find a leader suitable for replacement
3531 insert a replacement expression from SCCVN if available.
3532 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3533 (struct vn_ssa_aux): Add needs_insertion flag.
3534 * tree-ssa-sccvn.c (may_insert): New global flag.
3535 (copy_reference_ops_from_ref): Value-number union member access
3536 based on its size, not type and member if insertion is allowed.
3537 (visit_reference_op_load): For a weak match from union type
3538 punning lookup a view-converted value and insert a SSA_NAME
3539 for that value if that is not found.
3540 (visit_use): Make dumps shorter. Do not disallow value numbering
3541 SSA_NAMEs that are life over an abnormal edge to constants.
3542 (free_scc_vn): Release inserted SSA_NAMEs.
3543 (run_scc_vn): New flag to specify whether insertion is allowed.
3544 Process SSA_NAMEs in forward order.
3545 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3546 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3547 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3548 pointer type to/from integral types that do not change the
3549 precision to regular conversions.
3551 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3553 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3554 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3555 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3556 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3557 input arguments and the mode of return value. Built-in functions
3558 that operate on whole 64-bit MMX register now use V1DI mode.
3560 2008-03-13 Alon Dayan <alond@il.ibm.com>
3561 Olga Golovanevsky <olga@il.ibm.com>
3563 PR tree-optimization/35041
3564 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3565 to locate the right position in a statement.
3567 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3571 * config/i386/xmmintrin.h: Change all static inline functions to
3572 extern inline and add __gnu_inline__ attribute.
3573 * config/i386/bmintrin.h: Ditto.
3574 * config/i386/smmintrin.h: Ditto.
3575 * config/i386/tmmintrin.h: Ditto.
3576 * config/i386/mmintrin-common.h: Ditto.
3577 * config/i386/ammintrin.h: Ditto.
3578 * config/i386/emmintrin.h: Ditto.
3579 * config/i386/pmmintrin.h: Ditto.
3580 * config/i386/mmintrin.h: Ditto.
3581 * config/i386/mm3dnow.h: Ditto.
3583 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3586 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3587 (lower_omp_2): New function.
3588 (lower_omp_1, lower_omp): Rewritten.
3590 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3593 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3594 with the phrase "Microsoft Windows compilers".
3595 (Push/Pop Macro Pragmas): New subsection. Document
3596 #pragma push_macro and pragma pop_macro.
3598 2008-03-12 Paul Brook <paul@codesourcery.com>
3600 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3602 2008-03-12 Paul Brook <paul@codesourcery.com>
3604 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3605 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3606 (thumb2_addsi_shortim): Rename ...
3607 (thumb2_addsi_short): ... to this. Allow register operands.
3608 (thumb2_subsi_short): New pattern.
3609 (thumb2_one_cmplsi2_short,
3610 thumb2_negsi2_short): New patterns and peepholes.
3612 2008-03-12 Paul Brook <paul@codesourcery.com>
3614 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3616 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3618 * config/i386/i386.md (int_cond): New code iterator.
3620 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3621 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3622 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3623 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3624 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3625 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3626 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3627 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3629 2008-03-12 Paul Brook <paul@codesourcery.com>
3631 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3632 instead of {arm,thumb}_compute_save_reg_mask.
3633 (output_return_instruction): Ditto.
3634 (thumb_unexpanded_epilogue): Ditto.
3635 (thumb1_expand_prologue): Ditto.
3636 (thumb1_output_function_prologue): Ditto.
3637 (arm_set_return_address): Ditto.
3638 (thumb_set_return_address): Ditto.
3639 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3640 regs to achieve stack alignment.
3641 (thumb1_compute_save_reg_mask): Fix compiler warning.
3642 (arm_output_epilogue): Use offsets->saved_regs_mask.
3643 Adjust stack pointer by poping call clobered registers.
3644 (arm_expand_prologue): Use offsets->saved_regs_mask.
3645 Adjust stack pointer by pushing extra registers.
3646 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3648 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3651 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3652 conversion to the operands of a multiplication.
3654 2008-03-12 Richard Guenther <rguenther@suse.de>
3656 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3657 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3658 * timevar.def (TV_TREE_PHIPROP): Add.
3659 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3660 pass description. Use TV_TREE_PHIPROP.
3661 * tree-ssa-forwprop.c: Remove phiprop code.
3663 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3666 * omp-low.c (maybe_lookup_decl): Constify first argument.
3667 (use_pointer_for_field): Change last argument from bool to
3668 omp_context *. Disallow shared copy-in/out in nested
3669 parallel if decl is shared in outer parallel too.
3670 (build_outer_var_ref, scan_sharing_clauses,
3671 lower_rec_input_clauses, lower_copyprivate_clauses,
3672 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3674 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3675 Ira Rosen <irar@il.ibm.com>
3677 * tree-vectorizer.c (free_stmt_vec_info): New function.
3678 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3679 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3680 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3681 * tree-vect-transform.c (vectorizable_conversion): Free
3682 vec_oprnds0 if it was allocated.
3683 (vect_permute_store_chain): Remove unused VECs.
3684 (vectorizable_store): Free VECs that are allocated in the..
3686 (vect_transform_strided_load, vectorizable_load): Likewise.
3687 (vect_remove_stores): Simplify the code.
3688 (vect_transform_loop): Move code to vect_remove_stores().
3689 Call vect_remove_stores() and free_stmt_vec_info().
3691 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3693 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3694 TARGET_HPUX. Revise comment.
3695 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3696 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3697 Use sr4 variant of `be' instruction when not generating PIC code.
3698 (attr_length_call): Adjust for above change.
3700 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3702 * ipa-reference.c (static_execute): Remove module_statics_const and
3703 associated setting code.
3705 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3708 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3709 predicate for operand 1.
3710 (paritysi2_cmp): Use register_operand predicate for operand 2.
3711 Use earlyclobber modifier for operand 1. Remove support for
3713 (paritydi2_cmp): Use register_operand predicate for operand 3.
3714 Use earlyclobber modifier for operand 1. Remove support for
3717 2008-03-11 Paul Brook <paul@codesourcery.com>
3718 Vladimir Prus <vladimir@codesourcery.com>
3720 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3721 (arm_compute_save_reg0_reg12_mask): Always
3722 check if register 11 must be saved. Always safe hard frame pointer
3723 when frame_pointer_needeed.
3724 (arm_compute_save_reg_mask): Save IP and PC
3725 only with apcs frames.
3726 (arm_output_epilogue): Adjust Thumb2 codepath to
3727 be also invoked and work for ARM non-apcs frames.
3728 (arm_expand_prologue): Don't bother saving IP
3729 for non-apcs frame, since it's not clobbered by
3730 prologue code. Implement non-apcs frame
3733 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3735 PR rtl-optimization/35281
3736 * expr.c (convert_move): Use a new pseudo for the intermediate
3737 from_mode->word_mode result.
3739 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3741 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3742 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3743 * toplev.c (compile_file): Don't call it.
3745 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3748 * expr.c (store_expr): Call emit_block_move if the mode
3749 of "temp" RTX is BLKmode.
3751 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3752 Richard Guenther <rguenther@suse.de>
3754 PR tree-optimization/31358
3755 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3756 the step with a NULL_TREE.
3757 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3758 to sizetype if type is a pointer type.
3759 (add_candidate_1): Don't convert the base and step to
3760 the generic type if the orginal type is a pointer type.
3761 (add_iv_value_candidates): Use sizetype for the step
3762 if type is a pointer type.
3763 (cand_value_at): Likewise.
3764 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3766 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3767 Don't convert the tem affine to the type.
3768 (add_elt_to_tree): Use sizetype for the step if a pointer.
3769 Use POINTER_PLUS_EXPR for pointers.
3770 (aff_combination_to_tree): Use sizetype for the step if a
3773 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3775 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3776 Remove commutativity hint.
3778 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3782 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3783 errorneous type. Check that v is a VAR_DECL.
3786 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3788 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3790 PR tree-optimization/35494
3791 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3792 may be overriden at link and run time.
3794 2008-03-10 Richard Guenther <rguenther@suse.de>
3796 PR tree-optimization/34677
3797 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3798 (poolify_tree): Likewise.
3799 (modify_expr_template): Likewise.
3800 (poolify_modify_stmt): Likewise.
3801 (insert_fake_stores): Handle all component-ref style stores
3802 in addition to INDIRECT_REF. Also handle complex types.
3803 Do not poolify the inserted load.
3804 (realify_fake_stores): Do not rebuild the tree but only
3805 make it a SSA_NAME copy.
3806 (init_pre): Remove initialzation of modify_expr_template.
3807 Do not allocate modify_expr_node_pool.
3808 (fini_pre): Do not free modify_expr_node_pool.
3810 2008-03-10 Paul Brook <paul@codesourcery.com>
3812 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3815 2008-03-10 Paul Brook <paul@codesourcery.com>
3816 Mark Shinwell <shinwell@codesourcery.com>
3818 * config/arm/cortex-r4.md: New.
3819 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3821 * config/arm/arm.md: Include cortex-r4.md.
3822 (insn): Add smmls, sdiv and udiv values.
3823 (generic_sched): Don't use generic scheduling for Cortex-R4.
3824 (arm_issue_rate): New function.
3825 (TARGET_SCHED_ISSUE_RATE): Define.
3827 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3829 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3831 2008-03-10 Richard Guenther <rguenther@suse.de>
3833 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3834 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3836 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3838 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3839 Set default to true.
3841 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3843 * c.opt (Wsynth): Deprecate.
3844 * doc/invoke.texi (Option Summary, Warning Options): Document
3845 -Wno-format-contains-nul.
3847 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3850 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3851 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3853 2008-03-09 Ira Rosen <irar@il.ibm.com>
3855 * config/rs6000/rs6000.c (builtin_description): Rename vector
3856 left shift operations.
3857 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3858 (altivec_vsl<VI_char>): Rename to ...
3859 (ashl<mode>3): ... new name.
3860 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3862 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3864 2008-03-08 Richard Guenther <rguenther@suse.de>
3866 * coverage.h (tree_coverage_counter_addr): Declare.
3867 * coverage.c (tree_coverage_counter_addr): New function.
3868 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3870 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3871 (tree_gen_one_value_profiler): Likewise.
3872 (tree_gen_ic_profiler): Likewise.
3873 (tree_gen_average_profiler): Likewise.
3874 (tree_gen_ior_profiler): Likewise.
3876 2008-03-08 Richard Guenther <rguenther@suse.de>
3878 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3879 (vn_binary_op_insert): Likewise.
3880 (vn_unary_op_lookup): Likewise.
3881 (vn_unary_op_insert): Likewise.
3882 (vn_nary_op_lookup): Declare.
3883 (vn_nary_op_insert): Likewise.
3884 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3885 and binary hashes, use a single obstack for unary_op_pool
3887 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3888 a single struct vn_nary_op_s. Store tree code length and
3889 a variable number of operands.
3890 (struct vn_reference_op_struct): Remove unused op2.
3891 (vn_reference_op_eq): Do not compare op2.
3892 (vn_reference_op_compute_hash): Do not compute hash of op2.
3893 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3894 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3895 with vn_nary_op_compute_hash.
3896 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3897 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3899 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3901 (visit_unary_op): Call nary functions.
3902 (visit_binary_op): Likewise.
3903 (process_scc): Adjust for struct vn_tables_s changes.
3904 (allocate_vn_table): Likewise.
3905 (free_vn_table): Likewise.
3906 * tree-vn.c (vn_add): Call nary functions.
3907 (vn_lookup): Likewise.
3909 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3912 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3913 wdst back after sync_compare_and_swapqhi_internal.
3915 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3918 * config/i386/i386-modes.def (V1DI): New vector mode.
3919 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3920 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3921 (MMXMODE248): Ditto.
3922 (MMXMODE): Add V1DI mode.
3923 (mmxvecsize): Change DI mode to V1DI mode.
3924 ("mov<mode>): Use MMXMODEI8 mode iterator.
3925 ("*mov<mode>_internal_rex64"): Ditto.
3926 ("*mov<mode>_internal"): Ditto.
3927 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3928 ("mmx_sub<mode>3"): Ditto.
3929 ("mmx_adddi3"): Remove insn pattern.
3930 ("mmx_subdi3"): Ditto.
3931 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3932 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3933 ("mmx_ashl<mode>3"): Ditto.
3934 ("mmx_lshrdi3"): Remove insn pattern.
3935 ("mmx_ashldi3"): Ditto.
3936 * config/i386/i386.c (classify_argument): Handle V1DImode.
3937 (function_arg_advance_32): Ditto.
3938 (function_arg_32): Ditto.
3939 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3940 mmx_addv1di3 insn pattern.
3941 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3942 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3943 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3944 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3945 Remove definitions of built-in functions.
3946 (V1DI_type_node): New node.
3947 (v1di_ftype_v1di_int): Ditto.
3948 (v1di_ftype_v1di_v1di): Ditto.
3949 (v2si_ftype_v2si_si): Ditto.
3950 (v4hi_ftype_v4hi_di): Remove node.
3951 (v2si_ftype_v2si_di): Ditto.
3952 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3953 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3954 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3955 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
3956 Add new builtins using def_builtin_const.
3957 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
3958 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
3959 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
3960 * config/i386/mmintrin.h (__v1di): New typedef.
3961 (_mm_add_si64): Cast arguments to __v1di type.
3962 (_mm_sub_si64): Ditto.
3963 (_mm_sll_pi16): Cast __count to __v4hi type.
3964 (_mm_sll_pi32): Cast __count to __v2si type.
3965 (_mm_sll_si64): Cast arguments to __v1di type.
3966 (_mm_srl_pi16): Cast __count to __v4hi type.
3967 (_mm_srl_pi32): Cast __count to __v2si type.
3968 (_mm_srl_si64): Cast arguments to __v1di type.
3969 (_mm_sra_pi16): Cast __count to __v4hi type.
3970 (_mm_sra_pi32): Cast __count to __v2si type.
3971 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
3972 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
3973 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
3974 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
3975 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
3976 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
3977 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
3978 (_mm_srai_pi32): Use __builtin_ia32_psradi.
3979 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
3980 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3981 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3982 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
3984 2008-03-07 Joseph Myers <joseph@codesourcery.com>
3986 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
3988 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
3991 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
3992 reg+const addressing for Altivec modes. Don't generate reg+reg
3993 addressing for TFmode or TDmode quantities.
3995 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
3997 * c-common.c (vector_types_convertible_p): Call langhook
3998 instead of comptypes.
4000 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4003 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4004 integral and scalar float variables which have a
4007 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4009 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4010 dwarf_register_span hook when emitting unwind information for
4011 register-to-memory saves.
4012 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4013 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4015 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4017 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4018 for the same VAR_DECL.
4020 2008-03-06 Tom Tromey <tromey@redhat.com>
4023 * doc/standards.texi (Standards): Don't mention treelang.
4024 * doc/invoke.texi (Overall Options): Don't mention treelang.
4025 * doc/install.texi (Prerequisites): Don't mention bison or
4027 (Configuration): Don't mention treelang.
4028 (Building): Likewise.
4029 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4031 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4033 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4034 word-extractions out of a multi-word object.
4036 2008-03-06 Richard Guenther <rguenther@suse.de>
4038 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4039 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4040 result type and precision.
4041 * expr.c (get_inner_reference): Set unsignedp based on the result
4042 type of BIT_FIELD_REF.
4043 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4044 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4045 (try_instantiate_multiple_fields): Likewise. Use the correct type
4047 (sra_build_assignment): Likewise.
4048 (sra_build_elt_assignment): Likewise.
4049 (sra_explode_bitfield_assignment): Likewise.
4050 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4051 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4052 set BIT_FIELD_REF_UNSIGNED.
4053 (vectorizable_load): Likewise.
4055 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4057 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4060 2008-03-06 Richard Guenther <rguenther@suse.de>
4062 * alias.c (struct alias_set_entry): Move has_zero_child field
4063 to pack with alias_set.
4065 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4067 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4070 2008-03-05 Ian Lance Taylor <iant@google.com>
4072 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4074 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4076 * fwprop.c (update_df): Support width and offset parameters of
4078 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4079 global_conflicts): Change DF_REF_EXTRACT to either
4080 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4081 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4082 * df-scan.c (df_ref_record, df_defs_record,
4083 df_ref_create_structure, df_def_record_1, df_uses_record,
4084 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4085 df_bb_refs_collect, df_entry_block_defs_collect,
4086 df_exit_block_uses_collect): Support new width and offset fields.
4087 (ref_extract_pool): New storage pool.
4088 (df_free_ref): New function.
4089 (df_reg_chain_unlink, df_free_collection_rec,
4090 df_sort_and_compress_refs): Call df_free_ref.
4091 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4093 (df_ref_create_structure): Allocate df_ref_extract if offset and
4094 width fields are used.
4095 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4096 (df_uses_record): Get offset and width from ZERO_EXTRACT
4098 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4099 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4100 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4101 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4102 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4103 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4104 (df_ref_extract): New structure.
4105 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4106 (df_ref_create): Add width and offset parameters.
4108 2008-03-05 Richard Guenther <rguenther@suse.de>
4110 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4111 Use ranges_overlap_p.
4112 (offset_overlaps_with_access): Rename
4113 to ranges_overlap_p and move ...
4114 * tree-flow-inline.h (ranges_overlap_p): ... here.
4116 * tree.h (get_inner_reference, handled_component_p): Update
4119 * tree.h (record_component_aliases, get_alias_set,
4120 alias_sets_conflict_p, alias_sets_must_conflict_p,
4121 objects_must_conflict_p): Move declarations ...
4122 * alias.h (record_component_aliases, get_alias_set,
4123 alias_sets_conflict_p, alias_sets_must_conflict_p,
4124 objects_must_conflict_p): ... here.
4125 Include coretypes.h.
4126 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4128 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4130 * cfg.c: Include tree-flow.h.
4131 (remove_edge_raw): Call redirect_edge_var_map_clear.
4132 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4133 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4134 (redirect_edge_var_map_result): New.
4135 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4136 PENDING_STMT use with redirect_edge_var_map_*.
4137 * tree-ssa.c (edge_var_maps): New definition.
4138 (redirect_edge_var_map_add): New.
4139 (redirect_edge_var_map_clear): New.
4140 (redirect_edge_var_map_dup): New.
4141 (redirect_edge_var_map_vector): New.
4142 (redirect_edge_var_map_destroy): New.
4143 (ssa_redirect_edge): Replace PENDING_STMT use with
4144 redirect_edge_var_map_*.
4145 (flush_pending_stmts): Same.
4146 (delete_tree_ssa): Destroy edge var map.
4147 * tree-flow.h (struct _edge_var_map): New.
4148 Define edge_var_map vector type.
4149 Declare redirect_edge_var_map_* prototypes.
4150 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4151 * tree-cfg.c (reinstall_phi_args): Replace
4152 PENDING_STMT use with redirect_edge_var_map_*.
4154 2008-03-05 Richard Guenther <rguenther@suse.de>
4156 PR tree-optimization/35472
4157 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4158 whose single use_stmt has a overlapping set of loaded and
4159 stored symbols as that use_stmt might be a noop assignment then.
4161 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4163 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4165 2008-03-05 Richard Guenther <rguenther@suse.de>
4168 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4169 should be constants.
4170 * tree-cfg.c (verify_expr): Verify it.
4171 * fold-const.c (fold_truthop): Remove code generating
4172 BIT_FIELD_REFs of structure bases.
4173 (fold_binary): Likewise.
4174 (fold_ternary): Position and size of BIT_FIELD_REFs are
4175 always host integers.
4176 (make_bit_field_ref): Remove.
4177 (optimize_bit_field_compare): Remove.
4178 (all_ones_mask_p): Remove.
4180 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
4183 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4184 (split_block_and_df_analyze): New. Split basic block and rebuild
4186 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4188 (split_pattern_seq): Likewise.
4189 (erase_matching_seqs): Likewise.
4190 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4192 2008-03-04 Geoff Keating <geoffk@apple.com>
4194 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4195 declaration and code.
4196 (tree_invalid_nonnegative_warnv_p): Likewise.
4198 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4200 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4201 examples. Truncate option-names then causing overfull hbox.
4203 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4206 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4208 * configure: Rebuilt.
4210 2008-03-04 Rafael Espindola <espindola@google.com>
4212 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4213 (tree_unary_nonnegative_warnv_p): New.
4214 (tree_binary_nonnegative_warnv_p): New.
4215 (tree_single_nonnegative_warnv_p): New.
4216 (tree_invalid_nonnegative_warnv_p): New.
4217 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4219 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4222 * opts.c (handle_option): Postpone 'unknown option' errors only for
4225 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
4228 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4231 2008-03-04 Rafael Espindola <espindola@google.com>
4233 * fold-const.c (tree_unary_nonzero_warnv_p): New.
4234 (tree_binary_nonzero_warnv_p): New.
4235 (tree_single_nonzero_warnv_p): New.
4236 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4238 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
4241 * fold-const.c (fold_cond_expr_with_comparison): Prevent
4242 transformations for modes that have signed zeros.
4243 * ifcvt.c (noce_try_abs): Ditto.
4245 2008-03-04 Joseph Myers <joseph@codesourcery.com>
4247 * config/i386/i386.c (override_options): Force
4248 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
4250 2008-03-04 Jan Hubicka <jh@suse.cz>
4253 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
4256 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4258 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
4259 label to probe the stack.
4261 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4263 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
4264 (__gthr_win32_mutex_destroy): Declare.
4265 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
4266 __gthr_win32_mutex_destroy.
4267 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
4269 2008-03-03 Jan Hubicka <jh@suse.cz>
4272 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
4273 aggressive on inlining cold calls.
4275 2008-03-03 Richard Guenther <rguenther@suse.de>
4277 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
4278 struct copies into the expression table.
4279 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
4280 (try_to_simplify): Likewise.
4281 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
4282 integral and pointer arguments which do not change the
4283 precision to NOP_EXPRs.
4284 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
4285 VIEW_CONVERT_EXPR case.
4287 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
4289 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4290 defined in a loop at depth 0 is invariant.
4291 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4292 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4293 be called at loop depth 0.
4295 2008-03-02 Jakub Jelinek <jakub@redhat.com>
4298 * gcc.c (process_command): Update copyright notice dates.
4299 * gcov.c (print_version): Likewise.
4300 * gcov-dump.c (print_version): Likewise.
4301 * mips-tfile.c (main): Likewise.
4302 * mips-tdump.c (main): Likewise.
4304 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4307 * c-common.c (flag_permissive): Delete.
4308 (constant_expression_warnings): Check flags first.
4309 (constant_expression_error): New.
4310 * c-common.h (flag_permissive): Delete.
4311 (constant_expression_error): Declare.
4312 * flags.h (flag_permissive): Declare. Update description.
4313 * diagnostic.c (pedwarn): Update.
4315 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4316 (permissive_error_kind): New.
4317 * toplev.c (flag_permissive): Define. Update description.
4318 * toplev.h (permissive_error_kind): Declare.
4319 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4320 (pedwarn_c90): Use pedantic_warning_kind.
4321 * c-opts.c (c_common_post_options): flag_permissive does not affect
4322 flag_pedantic_errors.
4324 2008-03-02 Joseph Myers <joseph@codesourcery.com>
4326 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4327 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4328 __absvsi2, __absvDI2): Use unsigned arithmetic.
4330 2008-03-02 Andi Kleen <ak@suse.de>
4331 Richard Guenther <rguenther@suse.de>
4333 * struct-equiv.c: Remove file.
4334 * cfg_cleanup.c (condjump_equiv_p): Remove.
4335 * Makefile.in (OBJS-common): Remove struct-equiv.o.
4336 (struct-equiv.o): Remove rule.
4337 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4338 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
4339 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4341 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4343 * ifcvt.c (noce_process_if_block): Try to handle only the then
4344 block if the else block exists but isn't suitable.
4346 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4349 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4350 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4351 regression from previous patch.
4353 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4356 * gthr.h: Add __gthread_mutex_destroy as a function that must be
4358 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4359 * gthr-single.h (__gthread_mutex_destroy): Likewise.
4360 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4361 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4362 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4363 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4364 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4365 (__gthread_mutex_destroy_function): Rename to
4366 __gthread_mutex_destroy.
4367 * gthr-dce.h (__gthread_mutex_destroy): Call
4368 pthread_mutex_destroy.
4369 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4370 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4371 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4373 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4375 * df-scan.c (df_ref_chain_change_bb): Simplify.
4376 (df_insn_change_bb): Add new_bb argument. Simplify. Call
4377 set_block_for_insn if there's any change.
4378 * df.h ((df_insn_change_bb): Fix prototype.
4379 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4380 df_insn_change_bb, don't call set_block_for_insn.
4381 * emit-rtl.c (reorder_insns): Likewise.
4382 * haifa-sched.c (move_insn): Likewise.
4384 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4386 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4388 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4390 * tree-flow-inline.h (next_readonly_imm_use): Return
4391 NULL_USE_OPERAND_P after the end.
4393 2008-03-01 Richard Guenther <rguenther@suse.de>
4395 PR tree-optimization/35411
4396 * tree-sra.c (sra_build_assignment): Split conversion to
4397 final type to a separate statement if we are not assigning
4400 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4402 * fold-const.c (fold_convertible_p): Correct the logic to follow
4403 that in fold_convert().
4405 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
4408 * tree-inline.c (build_duplicate_type): When we make a
4409 duplicate type, make it unique in the canonical types system.
4411 2008-02-29 Tom Tromey <tromey@redhat.com>
4413 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4414 input_file_stack_history, input_file_stack_restored): Remove.
4415 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4416 * input.h (struct file_stack): Remove.
4417 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4418 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4420 * diagnostic.h (struct diagnostic_context) <last_module>: Change
4422 (diagnostic_last_module_changed): Add 'map' argument.
4423 (diagnostic_set_last_function): Likewise.
4424 * diagnostic.c (undiagnostic_report_current_module): Iterate using
4425 line map, not input_file_stack.
4426 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4428 2008-02-29 Paul Brook <paul@codesourcery.com>
4430 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4432 2008-02-29 Paul Brook <paul@codesourcery.com>
4434 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4436 2008-02-29 Richard Guenther <rguenther@suse.de>
4438 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4440 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4441 value for comparing for a store match.
4442 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4443 (try_to_simplify): Do not do a full-blown reference lookup.
4445 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4447 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4448 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4450 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4452 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4454 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4455 strides against cache sizes.
4457 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4459 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4462 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4464 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4465 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4466 is smaller than the original promoted value.
4467 (simplify_subreg): If OP is a SUBREG, try to preserve its
4468 SUBREG_PROMOTED_VAR_P information.
4470 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4472 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4473 (VN_INFO_GET): Allocate new objects on the obstack.
4474 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4475 for rpo_numbers_temp, for consistency.
4476 (free_scc_vn): Free the obstack.
4478 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4480 * doc/invoke.texi: Document -ftree-loop-distribution.
4481 * tree-loop-distribution.c: New.
4482 * tree-pass.h (pass_loop_distribution): New.
4483 * graphds.h (struct graph): Add htab_t indices.
4484 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4485 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4486 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4487 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4488 * tree-data-ref.c (debug_data_dependence_relations): New.
4489 (dump_data_dependence_relation): Also print data references.
4490 (free_data_ref): Extern.
4491 (same_access_functions): Moved...
4492 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4493 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4494 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4495 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4496 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4497 (stmts_from_loop): Skip LABEL_EXPR.
4498 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4500 (build_rdg): Initialize rdg->indices htab.
4501 (free_rdg, stores_from_loop, ref_base_address,
4502 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4503 have_similar_memory_accesses_1, ref_base_address_1,
4504 remove_similar_memory_refs): New.
4505 * tree-data-ref.h: Depend on tree-chrec.h.
4506 (debug_data_dependence_relations, free_data_ref): Declared.
4507 (same_access_functions): ... here.
4508 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4510 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4511 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4512 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4513 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4514 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4515 rdg_vertex_for_stmt): Declared.
4516 (struct rdg_edge): Add level.
4518 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4519 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4521 (rdg_has_similar_memory_accesses): New.
4522 * tree-vect-analyze.c: Remove unused static decls.
4523 * lambda.h (dependence_level): New.
4524 * common.opt (ftree-loop-distribution): New.
4525 * tree-flow.h (mark_virtual_ops_in_bb,
4526 slpeel_tree_duplicate_loop_to_edge_cfg,
4527 rename_variables_in_loop): Declared.
4528 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4529 (OBJS-common): Add tree-loop-distribution.o.
4530 (tree-loop-distribution.o): New rule.
4531 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4532 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4533 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4535 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4538 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4539 other than structures and unions.
4541 2008-02-28 Richard Guenther <rguenther@suse.de>
4544 2008-02-26 Richard Guenther <rguenther@suse.de>
4546 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4547 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4548 (lookup_decl_from_uid): Declare.
4549 (remove_decl_from_map): Likewise.
4550 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4551 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4552 (decl_for_uid_map): New global hashtable mapping DECL_UID
4554 (init_ttree): Allocate it.
4555 (insert_decl_to_uid_decl_map): New helper function.
4556 (make_node_stat): Insert new decls into the map.
4557 (copy_node_stat): Likewise.
4558 (lookup_decl_from_uid): New function.
4559 (remove_decl_from_map): Likewise.
4560 (print_decl_for_uid_map_statistics): New helper.
4561 (dump_tree_statistics): Call it.
4563 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4564 (referenced_var_iterator): Adjust.
4565 (FOR_EACH_REFERENCED_VAR): Adjust.
4566 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4567 (num_referenced_vars): Adjust.
4568 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4569 (first_referenced_var): Remove.
4570 (end_referenced_vars_p): Likewise.
4571 (next_referenced_var): Likewise.
4572 (referenced_var_iterator_set): New helper function.
4573 * tree-dfa.c (referenced_var_lookup): Adjust.
4574 (referenced_var_check_and_insert): Likewise.
4575 (remove_referenced_var): Likewise.
4576 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4577 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4578 (verify_call_clobbering): Likewise.
4579 (verify_memory_partitions): Likewise.
4580 (init_tree_ssa): Allocate bitmap instead of hashtable for
4582 (delete_tree_ssa): Adjust.
4583 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4584 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4585 (compute_tag_properties): Likewise.
4586 (set_initial_properties): Likewise.
4587 (find_partition_for): Likewise.
4588 (update_reference_counts): Likewise.
4589 (dump_may_aliases_for): Likewise.
4590 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4591 (add_call_clobber_ops): Likewise.
4592 (add_call_read_ops): Likewise.
4593 (get_asm_expr_operands): Likewise.
4594 * tree-into-ssa.c (dump_decl_set): Likewise.
4595 (update_ssa): Likewise.
4596 * tree-sra.c (scan_function): Likewise.
4597 (decide_instantiations): Likewise.
4598 (scalarize_parms): Likewise.
4599 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4600 (dsa_named_for): Likewise.
4601 * tree-ssa-structalias.c (update_alias_info): Likewise.
4602 (merge_smts_into): Likewise.
4604 2008-02-27 David Daney <ddaney@avtrex.com>
4607 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4608 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4609 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4610 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4611 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4613 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4616 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4617 (BUILT_IN_NEXTTOWARD): Remove.
4618 (BUILT_IN_NEXTTOWARDF): Ditto.
4619 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4620 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4622 2008-02-27 Tom Tromey <tromey@redhat.com>
4624 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4625 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4627 2008-02-27 Jan Beulich <jbeulich@novell.com>
4629 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4630 update the respective field on newdecl.
4632 2008-02-27 Revital Eres <eres@il.ibm.com>
4634 PR rtl-optimization/34999
4635 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4636 crossing edges that ends with a call insn.
4637 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4638 call insn and clear the EDGE_CROSSING flag of the crossing edge
4639 when fixing fallthru edges.
4641 2008-02-27 Richard Guenther <rguenther@suse.de>
4644 * fold-const.c (fold_unary): Return the correct argument,
4645 converted to the result type.
4647 2008-02-27 Richard Guenther <rguenther@suse.de>
4650 * expr.c (expand_expr_real_1): Assert on rotates that operate
4652 * fold-const.c (fold_binary): Use the types precision, not the
4653 bitsize of the mode if folding rotate expressions. Build rotates
4654 only for full modes.
4656 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4658 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4660 * c-pragma.c (pragma_ns_name): New typedef.
4661 (registered_pp_pragmas): New variable.
4662 (c_pp_lookup_pragma): New function.
4663 (c_register_pragma_1): If flag_preprocess_only, do nothing
4664 for non-expanded pragmas, for expanded ones push pragma's
4665 namespace and name into registered_pp_pragmas vector.
4666 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4667 flag_preprocess_only, don't register GCC pch_preprocess
4668 pragma if flag_preprocess_only.
4669 * c-opts.c (c_common_init): Call init_pragma even if
4670 flag_preprocess_only.
4671 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4672 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4673 cpp_register_pragma if flag_preprocess_only.
4675 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4678 * c-parser.c (c_parser_translation_unit): Warn for empty
4679 translation unit, not empty source file.
4681 2008-02-26 Paul Brook <paul@codesourcery.com>
4683 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4684 operand for Thumb-2.
4685 * config/arm/arm.h (reg_class): Add CORE_REGS.
4686 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4687 (BASE_REG_CLASS): Use CORE_REGS.
4688 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4689 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4690 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4691 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4692 ARM_REGNO_OK_FOR_INDEX_P.
4693 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4694 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4695 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4696 (ldm/stm peepholes): Ditto.
4697 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4698 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4699 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4700 * config/arm/constraints.md: Enable "k" constraint on ARM.
4702 2008-02-27 Ben Elliston <bje@au.ibm.com>
4704 * config/rs6000/rs6000.c: Annotate cache line size field in all
4705 instances of struct processor_costs.
4707 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4709 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4710 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4711 jump_bypass): New counters.
4712 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4713 * dce.c (gate_ud_dce): Same.
4714 (gate_fast_dce): Same.
4715 * dse.c (gate_dse1): New function.
4716 (gate_dse2): New function.
4717 (gate_dse): Merge results of new gate functions.
4718 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4719 (gate_handle_jump_bypass): Add dbg_cnt.
4720 (gate_handle_gcse): Add dbg_cnt.
4721 * ifcvt.c (gate_handle_if_conversion): Same.
4722 (gate_handle_if_after_combine): Same.
4723 (gate_handle_if_after_reload): Same.
4724 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4726 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4728 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4730 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4732 2008-02-26 Jason Merrill <jason@redhat.com>
4735 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4736 alone if it's the naming decl for the type's main variant.
4738 2008-02-26 Tom Tromey <tromey@redhat.com>
4740 * system.h (USE_MAPPED_LOCATION): Poison.
4741 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4742 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4743 (make_goto_expr_edges): Likewise.
4744 (remove_bb): Likewise.
4745 (execute_warn_function_return): Likewise.
4746 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4748 * c-common.c (fname_decl): Remove old location code.
4749 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4751 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4753 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4754 (gen_rtx_ASM_INPUT): Likewise.
4755 (gen_rtx_ASM_INPUT_loc): Likewise.
4756 (get_rtx_asm_OPERANDS): Remove.
4757 * cfglayout.c (insn_locators_alloc): Remove old location code.
4758 (set_curr_insn_source_location): Likewise.
4759 (curr_insn_locator): Likewise.
4760 * print-tree.c (print_node): Remove old location code.
4761 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4762 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4763 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4764 location_from_locus.
4765 (construct_exit_block): Remove old location code.
4766 * emit-rtl.c (force_next_line_note): Remove old location code.
4767 * profile.c (branch_prob): Remove old location code.
4768 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4769 LOC_LINE): Remove old-location variants.
4770 * langhooks.c (lhd_print_error_function): Remove old location
4772 * configure, config.in: Rebuilt.
4773 * configure.ac (--enable-mapped-location): Remove.
4774 * c-decl.c (c_init_decl_processing): Remove old location code.
4775 (finish_function): Likewise.
4776 * recog.c (decode_asm_operands): Remove old location code.
4777 * c-pch.c (c_common_read_pch): Remove old location code.
4778 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4780 * gimple-low.c (lower_function_body): Remove old location code.
4781 * toplev.c (unknown_location): Remove.
4782 (push_srcloc): Remove old-location variant.
4783 (process_options): Remove old location code.
4784 (lang_dependent_init): Likewise.
4785 * input.h (UNKNOWN_LOCATION): Move definition.
4786 (location_t): Undeprecate.
4787 (source_locus): Remove.
4788 (location_from_locus): Remove.
4789 (struct location_s): Remove.
4790 Remove all old-location code.
4791 (input_line, input_filename): Remove.
4792 * final.c (final_scan_insn): Remove old location code.
4793 * diagnostic.c (diagnostic_build_prefix): Remove
4794 USE_MAPPED_LOCATION test.
4795 * tree.h (gimple_stmt) <locus>: Now a location_t.
4796 (tree_exp) <locus>: Likewise.
4797 (DECL_IS_BUILTIN): Remove old-location variant.
4798 (annotate_with_file_line, annotate_with_locus): Likewise.
4799 (expr_locus, set_expr_locus): Update.
4800 * tree.c (build1_stat): Remove old location code.
4801 (last_annotated_node): Remove.
4802 (annotate_with_file_line): Remove old-location variant.
4803 (annotate_with_locus): Likewise.
4804 (expr_location): Remove old location code.
4805 (set_expr_location): Likewise.
4806 (expr_has_location): Likewise.
4807 (expr_locus): Likewise.
4808 (set_expr_locus): Likewise.
4809 (expr_filename): Don't use location_from_locus.
4810 (expr_lineno): Likewise.
4811 * rtl-error.c (location_for_asm): Remove old location code.
4812 * c-lex.c (cb_line_change): Remove old location code.
4813 (fe_file_change): Likewise.
4814 (cb_def_pragma): Likewise.
4815 (c_lex_with_flags): Likewise.
4816 * gengtype.c (do_typedef): Don't special-case location types.
4817 (define_location_structures): Remove.
4818 (main): Don't call define_location_structures.
4819 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4822 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4825 * builtins.def (BUILT_IN_STDARG_START): Remove.
4826 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4827 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4828 * tree-inline.c (inline_forbidden_p_1): Likewise.
4830 2008-02-26 Richard Guenther <rguenther@suse.de>
4832 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4833 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4834 (lookup_decl_from_uid): Declare.
4835 (remove_decl_from_map): Likewise.
4836 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4837 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4838 (decl_for_uid_map): New global hashtable mapping DECL_UID
4840 (init_ttree): Allocate it.
4841 (insert_decl_to_uid_decl_map): New helper function.
4842 (make_node_stat): Insert new decls into the map.
4843 (copy_node_stat): Likewise.
4844 (lookup_decl_from_uid): New function.
4845 (remove_decl_from_map): Likewise.
4846 (print_decl_for_uid_map_statistics): New helper.
4847 (dump_tree_statistics): Call it.
4849 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4850 (referenced_var_iterator): Adjust.
4851 (FOR_EACH_REFERENCED_VAR): Adjust.
4852 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4853 (num_referenced_vars): Adjust.
4854 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4855 (first_referenced_var): Remove.
4856 (end_referenced_vars_p): Likewise.
4857 (next_referenced_var): Likewise.
4858 (referenced_var_iterator_set): New helper function.
4859 * tree-dfa.c (referenced_var_lookup): Adjust.
4860 (referenced_var_check_and_insert): Likewise.
4861 (remove_referenced_var): Likewise.
4862 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4863 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4864 (verify_call_clobbering): Likewise.
4865 (verify_memory_partitions): Likewise.
4866 (init_tree_ssa): Allocate bitmap instead of hashtable for
4868 (delete_tree_ssa): Adjust.
4869 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4870 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4871 (compute_tag_properties): Likewise.
4872 (set_initial_properties): Likewise.
4873 (find_partition_for): Likewise.
4874 (update_reference_counts): Likewise.
4875 (dump_may_aliases_for): Likewise.
4876 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4877 (add_call_clobber_ops): Likewise.
4878 (add_call_read_ops): Likewise.
4879 (get_asm_expr_operands): Likewise.
4880 * tree-into-ssa.c (dump_decl_set): Likewise.
4881 (update_ssa): Likewise.
4882 * tree-sra.c (scan_function): Likewise.
4883 (decide_instantiations): Likewise.
4884 (scalarize_parms): Likewise.
4885 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4886 (dsa_named_for): Likewise.
4887 * tree-ssa-structalias.c (update_alias_info): Likewise.
4888 (merge_smts_into): Likewise.
4890 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4893 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4894 * c-opts.c (c_common_handle_option): Wall enables
4895 Wvolatile-register-var.
4896 * common.opt: Move Wvolatile-register-var to...
4899 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4901 * common.opt (Wlarger-than=): New.
4902 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4904 * opts.c (common_handle_option): Handle -Wlarger-than=.
4905 * optc-gen.awk: Likewise.
4906 * opth-gen.awk: Likewise.
4907 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4908 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4910 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4912 * c-common.c (match_case_to_enum_1): Add appropriate
4913 OPT_W* parameter to warning.
4914 (c_do_switch_warnings): Likewise.
4915 * c-typeck.c (warning_init): Add one more parameter following
4917 (push_init_level): Update call to warning_init.
4918 (pop_init_level): Likewise.
4919 (add_pending_init): Likewise.
4920 (output_init_element: Likewise.
4922 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4925 * toplev.c (toplev_main): If there are warnings or error, print
4926 errors for ignored options.
4927 * opts.c (ignored_options): New static variable.
4928 (postpone_unknown_option_error): New.
4929 (print_ignored_options): New.
4930 (handle_option): Postpone errors for unknown -Wno-* options.
4931 * opts.h (print_ignored_options): Declare.
4933 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4935 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4938 2008-02-25 Richard Guenther <rguenther@suse.de>
4941 2008-02-25 Richard Guenther <rguenther@suse.de>
4943 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4944 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4945 (lookup_decl_from_uid): Declare.
4946 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4947 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4948 (decl_for_uid_map): New global hashtable mapping DECL_UID
4950 (init_ttree): Allocate it.
4951 (insert_decl_to_uid_decl_map): New helper function.
4952 (make_node_stat): Insert new decls into the map.
4953 (copy_node_stat): Likewise.
4954 (lookup_decl_from_uid): New function.
4955 (print_decl_for_uid_map_statistics): New helper.
4956 (dump_tree_statistics): Call it.
4958 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4959 (referenced_var_iterator): Adjust.
4960 (FOR_EACH_REFERENCED_VAR): Adjust.
4961 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4962 (num_referenced_vars): Adjust.
4963 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4964 (first_referenced_var): Remove.
4965 (end_referenced_vars_p): Likewise.
4966 (next_referenced_var): Likewise.
4967 (referenced_var_iterator_set): New helper function.
4968 * tree-dfa.c (referenced_var_lookup): Adjust.
4969 (referenced_var_check_and_insert): Likewise.
4970 (remove_referenced_var): Likewise.
4971 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4972 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4973 (verify_call_clobbering): Likewise.
4974 (verify_memory_partitions): Likewise.
4975 (init_tree_ssa): Allocate bitmap instead of hashtable for
4977 (delete_tree_ssa): Adjust.
4978 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4979 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4980 (compute_tag_properties): Likewise.
4981 (set_initial_properties): Likewise.
4982 (find_partition_for): Likewise.
4983 (update_reference_counts): Likewise.
4984 (dump_may_aliases_for): Likewise.
4985 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4986 (add_call_clobber_ops): Likewise.
4987 (add_call_read_ops): Likewise.
4988 (get_asm_expr_operands): Likewise.
4989 * tree-into-ssa.c (dump_decl_set): Likewise.
4990 (update_ssa): Likewise.
4991 * tree-sra.c (scan_function): Likewise.
4992 (decide_instantiations): Likewise.
4993 (scalarize_parms): Likewise.
4994 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4995 (dsa_named_for): Likewise.
4996 * tree-ssa-structalias.c (update_alias_info): Likewise.
4997 (merge_smts_into): Likewise.
4999 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5002 * doc/invoke.texi (-fcx-limited-range): Document new option.
5003 * toplev.c (process_options): Handle -fcx-fortran-rules.
5004 * common.opt: Add documentation for -fcx-fortran-rules.
5006 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5009 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5010 actual behaviour and C99.
5012 2008-02-26 Ben Elliston <bje@au.ibm.com>
5014 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5015 (ASM_CPU_POWER6_SPEC): Likewise.
5016 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5017 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5018 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5020 2008-02-25 Richard Guenther <rguenther@suse.de>
5022 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5023 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5024 (lookup_decl_from_uid): Declare.
5025 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5026 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5027 (decl_for_uid_map): New global hashtable mapping DECL_UID
5029 (init_ttree): Allocate it.
5030 (insert_decl_to_uid_decl_map): New helper function.
5031 (make_node_stat): Insert new decls into the map.
5032 (copy_node_stat): Likewise.
5033 (lookup_decl_from_uid): New function.
5034 (print_decl_for_uid_map_statistics): New helper.
5035 (dump_tree_statistics): Call it.
5037 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5038 (referenced_var_iterator): Adjust.
5039 (FOR_EACH_REFERENCED_VAR): Adjust.
5040 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5041 (num_referenced_vars): Adjust.
5042 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5043 (first_referenced_var): Remove.
5044 (end_referenced_vars_p): Likewise.
5045 (next_referenced_var): Likewise.
5046 (referenced_var_iterator_set): New helper function.
5047 * tree-dfa.c (referenced_var_lookup): Adjust.
5048 (referenced_var_check_and_insert): Likewise.
5049 (remove_referenced_var): Likewise.
5050 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5051 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5052 (verify_call_clobbering): Likewise.
5053 (verify_memory_partitions): Likewise.
5054 (init_tree_ssa): Allocate bitmap instead of hashtable for
5056 (delete_tree_ssa): Adjust.
5057 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5058 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5059 (compute_tag_properties): Likewise.
5060 (set_initial_properties): Likewise.
5061 (find_partition_for): Likewise.
5062 (update_reference_counts): Likewise.
5063 (dump_may_aliases_for): Likewise.
5064 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5065 (add_call_clobber_ops): Likewise.
5066 (add_call_read_ops): Likewise.
5067 (get_asm_expr_operands): Likewise.
5068 * tree-into-ssa.c (dump_decl_set): Likewise.
5069 (update_ssa): Likewise.
5070 * tree-sra.c (scan_function): Likewise.
5071 (decide_instantiations): Likewise.
5072 (scalarize_parms): Likewise.
5073 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5074 (dsa_named_for): Likewise.
5075 * tree-ssa-structalias.c (update_alias_info): Likewise.
5076 (merge_smts_into): Likewise.
5078 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5081 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5082 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5083 * alias.h (nonoverlapping_memrefs_p): Likewise.
5085 2008-02-25 Jan Beulich <jbeulich@novell.com>
5087 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5088 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5089 __emultls_get_address, __emultls_register_common,
5090 __floatundi?f, and _Unwind_GetIPInfo.
5091 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5092 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5093 (gen_regparm_prefix): Likewise.
5094 (i386_nlm_encode_section_info): Sync with
5095 config/i386/winnt.c:i386_pe_encode_section_info().
5096 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5097 i386_nlm_mangle_decl_assembler_name): New.
5098 (netware_override_options): New.
5099 * config/i386/netware.h (netware_override_options): Declare.
5100 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5101 (i386_nlm_mangle_decl_assembler_name): Declare.
5102 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5104 2008-02-25 Ben Elliston <bje@au.ibm.com>
5107 * c-decl.c (grokdeclarator): Remove unused local variables
5108 `typedef_type' and `type_as_written'.
5110 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5111 unused local variable `has_hot_blocks'.
5112 (fix_crossing_conditional_branches): Remove unused local variable
5115 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5118 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5119 using DEF_C99_BUILTIN.
5120 (BUILT_IN_NANF): Ditto.
5121 (BUILT_IN_NANL): Ditto.
5123 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5124 Revital Eres <eres@il.ibm.com>
5126 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5127 regarding the order of two dependent insns in the same row.
5129 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5131 * stor-layout.c (layout_decl): Do not bump the alignment of a
5132 bit-field to more than byte alignment if it is packed.
5134 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5136 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5139 2008-02-24 Diego Novillo <dnovillo@google.com>
5141 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5144 * tree-vrp.c (vrp_evaluate_conditional): With
5145 -Wtype-limits, emit a warning when comparing against a
5146 constant outside the natural range of OP0's type.
5147 * c.opt (Wtype-limits): Move ...
5148 * common.opt (Wtype-limits): ... here.
5150 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5152 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5153 * config/rs6000/e300c2c3.md: New file.
5154 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5156 (rs6000_override_options): Add e300c2 and e300c3 cases to
5157 processor_target_table. Do not allow usage of Altivec or Spe
5158 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5159 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5160 * config/rs6000/rs6000.h (processor_type): Add
5161 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5162 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5163 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5164 and ppce300c3. Include e300c2c3.md.
5166 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5168 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5169 instead of TARGET_STRICT_ALIGN.
5171 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5173 * explow.c (memory_address): Assert that the generated address is
5176 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5179 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5180 * config/darwin-ppc-ldouble-patch.def: New file.
5181 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5182 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5183 SUBTARGET_INIT_BUILTINS if defined.
5184 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5187 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5190 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5191 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5193 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5196 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5197 file" warning condtional on -Winvalid-PCH.
5199 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
5201 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5203 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
5207 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5208 prevent reload from using MMX registers.
5209 (*mov<mode>_internal): Ditto.
5210 (*movv2sf_internal_rex64): Ditto.
5211 (*movv2sf_internal): Ditto.
5213 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5215 PR documentation/31569
5216 * doc/install.texi2html: Use makeinfo --no-number-sections.
5218 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5220 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5221 ensure that we can address an entire entity > 8 bytes. Don't
5222 generate reg+reg addressing for such data.
5224 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5226 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5227 strings when optimizing for size, unless the target cares about
5230 2008-02-22 Tom Tromey <tromey@redhat.com>
5232 * regclass.c (current_pass): Remove declaration.
5234 2008-02-22 Anatoly Sokolov <aesok@post.ru>
5236 * config/avr/libgcc.S (__RAMPZ__): Define.
5237 (__do_copy_data): Add for devices with 128KB code memory.
5239 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5241 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5243 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5245 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
5247 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
5250 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5253 * c-typeck.c (build_binary_op): Warn about floating point
5254 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
5256 2008-02-21 Janis Johnson <janis187@us.ibm.com>
5259 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
5260 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
5262 (rs6000_override_options): Set altivec_abi as default, not override,
5263 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
5264 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
5265 is used; use new member spe_abi.
5266 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
5267 spe_abi and altivec_abi.
5269 2008-02-22 Tomas Bily <tbily@suse.cz>
5271 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
5273 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5276 * config.build (build_file_translate): Set to `CMD //c' only if
5278 * Makefile.in (build_file_translate): Improve comment.
5280 2008-02-21 Jan Hubicka <jh@suse.cz>
5282 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
5283 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
5284 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
5286 2008-02-21 Michael Matz <matz@suse.de>
5289 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
5291 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
5293 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
5294 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
5296 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
5297 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
5298 SSE_VEC_FLOAT_MODE_P as insn constraint.
5299 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
5300 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
5301 sse4a_movntdf using MODEF mode iterator.
5302 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
5303 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
5304 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
5305 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
5306 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
5307 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
5308 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
5310 2008-02-21 Richard Guenther <rguenther@suse.de>
5312 * tree.def (PAREN_EXPR): New tree code.
5313 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5315 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5316 * expr.c (expand_expr_real_1): Likewise.
5317 * tree-inline.c (estimate_num_insns_1): Likewise.
5318 * tree-complex.c (expand_complex_move): Likewise.
5319 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5322 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5325 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5327 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5330 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5332 * config/sh/sh.c (find_barrier): Don't go past
5333 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5335 2008-02-20 DJ Delorie <dj@redhat.com>
5337 * config/h8300/h8300.md (insv): Force source operand to be a register.
5339 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5340 as a jump, not as a plain insn.
5342 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
5344 * doc/invoke.texi (Warning Options): Add new option
5345 -Wframe-larger-than=.
5346 (-Wframe-larger-than): Document.
5348 * flags.h (warn_frame_larger_than, frame_larger_than_size):
5349 Add declarations for new option variables.
5351 * final.c (final_start_function): Check the frame size
5352 before emission and issue a Wframe-larger-than warning.
5354 * opts.c (warn_frame_larger_than, frame_larger_than_size):
5355 Add definitions for new option variables.
5356 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5358 * common.opt (Wframe-larger-than=): New option.
5360 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5362 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5363 (<sse>_div<mode>3): Ditto.
5364 (<sse>_vmdiv<mode>3): Ditto.
5365 (<sse>_vmsqrt<mode>2): Ditto.
5366 (*smax<mode>3): Ditto.
5367 (sse5_frcz<mode>2): Ditto.
5368 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
5371 2008-02-20 Richard Guenther <rguenther@suse.de>
5374 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5375 be happy with INTEGRAL_TYPE_P.
5377 2008-02-20 Richard Guenther <rguenther@suse.de>
5379 * fold-const.c (split_tree): Associate floatig-point expressions
5380 if flag_associative_math is set.
5382 2008-02-20 Richard Guenther <rguenther@suse.de>
5384 * tree.h (fold_real_zero_addition_p): Declare.
5385 * fold-const.c (fold_real_zero_addition_p): Export.
5386 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5387 floating-point operations with zero and one.
5389 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
5391 * doc/install.texi: Correct references to CFLAGS, replacing them
5392 with BOOT_CFLAGS. Document flags used during bootstrap for
5395 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5397 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5398 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5399 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5401 (smin<mode>3): Ditto from similar patterns.
5402 (smax<mode>3): Ditto.
5403 (*ieee_smin<mode>3): Ditto.
5404 (*ieee_smax<mode>3): Ditto.
5405 * config/i386/sse.md (sse): New mode attribute.
5406 (mov<mode>): Macroize expander from movv4sf and movv2df using
5407 SSEMODEF2P mode iterator.
5408 (<sse>_movnt<mode>): Ditto from similar patterns. Use
5409 SSE_VEC_FLOAT_MODE_P as insn constraint.
5410 (storent<mode>): Ditto.
5411 (storent<mode>): Macroize expander from storentsf and storentdf using
5412 MODEF mode iterator.
5413 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5414 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5415 (abs<mode>2): Ditto from similar patterns.
5416 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5417 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5418 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5419 (<sse>_vmsqrt<mode>2): Ditto.
5420 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5421 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5422 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5423 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5424 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5425 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5426 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5428 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5429 iterator and SSE_FLOAT_MODE_P as insn constraint.
5430 (<sse>_ucomi): Ditto from similar patterns.
5431 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5432 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5433 SSE_VEC_FLOAT_MODE_P as insn constraint.
5434 (vcond<mode>): Ditto from similar patterns.
5435 (and<mode>3, *and<mode>3): Ditto.
5436 (<sse>_nand<mode>3): Ditto.
5437 (ior<mode>3, *ior<mode>3): Ditto.
5438 (xor<mode>3, *xor<mode>3): Ditto.
5439 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5440 iterator and SSE_FLOAT_MODE_P as insn constraint.
5441 (*nand<mode>3): Ditto from similar patterns.
5442 (*ior<mode>3): Ditto.
5443 (*xor<mode>3): Ditto.
5445 2008-02-20 Ira Rosen <irar@il.ibm.com>
5447 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5448 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5449 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5451 2008-02-19 Jan Hubicka <jh@suse.cz>
5453 * predict.c (tree_bb_level_predictions): Remove variable next
5454 mistakely introduced by previous commit.
5456 2008-02-19 Jan Hubicka <jh@suse.cz>
5458 * predict.c (predict_paths_leading_to): Rewrite.
5459 (predict_paths_for_bb): New.
5460 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5462 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5465 * Makefile.in (build_file_translate): New.
5466 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5467 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5468 * configure.ac (build_file_translate): Substitute it.
5469 * configure: Regenerate.
5471 2008-02-19 Jan Hubicka <jh@suse.cz>
5473 PR rtl-optimization/34408
5474 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5477 2008-02-19 Jan Hubicka <jh@suse.cz>
5480 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5483 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5486 * config/i386/i386-modes.def: Revert the last DI alignment
5487 change until Ada people can look into it.
5489 2008-02-19 Nick Clifton <nickc@redhat.com>
5491 * opts.c (print_specific_help): Fix typo in --help text.
5493 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5496 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5497 32-bit inline asm without asm alternatives for host GCC < 3.0.
5499 2008-02-19 Richard Guenther <rguenther@suse.de>
5501 PR tree-optimization/34989
5502 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5503 Allow propagation to INDIRECT_REF if we can simplify only.
5505 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5507 * c-common.c (warn_for_collisions_1): Use appropriate option when
5510 2008-02-19 Nick Clifton <nickc@redhat.com>
5513 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5514 (handle_options): Fix indentation.
5515 (print_filtered_help): If no language-specific options were
5516 displayed tell the user how to list all the options supported by
5517 the language's front-end.
5518 (print_specific_help): Fix indentation and remove duplicate line.
5519 (common_handle_option): Handle the -v option.
5520 For --help enable the display of undocumented options if the -v
5521 switch has been included on the command line.
5522 For --help= check for overlaps in the arguments between the option
5523 classes and the language names and issue a warning when they
5524 cannot be disambiguated.
5525 * c.opt (v): Pass on to the common option handler.
5527 2008-02-19 Revital Eres <eres@il.ibm.com>
5529 * modulo-sched.c (sms_schedule): Change dump message when
5530 create_ddg function fails.
5531 (try_scheduling_node_in_cycle): Rename row to cycle.
5532 (print_partial_schedule): Rename CYCLE to ROW.
5534 2008-02-19 Christian Bruel <christian.bruel@st.com>
5535 Zdenek Dvorak <ook@ucw.cz>
5537 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5539 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5542 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5543 (*x86_movdicc_0_m1_se): Ditto.
5545 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5547 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5548 (CMPtype): Define as __gcc_CMPtype.
5549 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5550 (CMPtype): Define as __gcc_CMPtype.
5552 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5554 Support valgrind 3.3 for --enable-checking=valgrind.
5555 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5557 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5558 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5559 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5560 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5561 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5562 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5563 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5565 * ggc-zone.c: Similar.
5566 * ggc-page.c: Similar.
5568 2008-02-19 Paul Brook <paul@codesourcery.com>
5571 * config/arm/ieee754-df.S: Fix do_it typo.
5572 * config/arm/ieee754-sf.S: Fix do_it typo.
5574 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5577 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5578 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5579 (OPTION_MASK_ISA_SSE_SET): Likewise.
5580 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5581 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5582 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5583 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5584 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5585 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5586 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5587 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5588 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5589 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5590 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5591 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5592 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5593 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5594 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5595 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5596 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5597 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5598 (OPTION_MASK_ISA_SSE4): Removed.
5599 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5600 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5601 (override_options): Don't turn on implied SSE/MMX bits in
5604 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5606 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5609 2008-02-18 Joey Ye <joey.ye@intel.com>
5612 * tree-nested.c (insert_field_into_struct): Set type alignment
5613 to field alignment if the former is less than the latter.
5615 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5617 * BASE-VER: Set to 4.4.0.
5619 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5621 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5622 * doc/cfg.texi: Likewise.
5623 * doc/extend.texi: Likewise.
5624 * doc/gty.texi: Likewise.
5625 * doc/invoke.texi: Likewise.
5626 * doc/loop.texi: Likewise.
5627 * doc/md.texi: Likewise.
5628 * doc/passes.texi: Likewise.
5629 * doc/rtl.texi: Likewise.
5630 * doc/sourcebuild.texi: Likewise.
5631 * doc/tm.texi: Likewise.
5632 * doc/tree-ssa.texi: Likewise.
5634 2008-02-17 Richard Guenther <rguenther@suse.de>
5637 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5638 without default definition.
5640 2008-02-17 Richard Guenther <rguenther@suse.de>
5642 PR tree-optimization/35231
5643 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5646 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5649 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5650 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5651 libgcc_cmp_return mode.
5653 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5656 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5658 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5660 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5663 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5665 * doc/c-tree.texi: Use `@.' where appropriate.
5666 * doc/extend.texi: Likewise.
5667 * doc/install.texi: Likewise.
5668 * doc/invoke.texi: Likewise.
5669 * doc/loop.texi: Likewise.
5670 * doc/makefile.texi: Likewise.
5671 * doc/md.texi: Likewise.
5672 * doc/passes.texi: Likewise.
5673 * doc/standards.texi: Likewise.
5674 * doc/tm.texi: Likewise.
5676 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5679 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5681 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5682 rather than in entry_bb.
5684 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5686 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5687 libgcc_cmp_return mode.
5689 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5692 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5693 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5695 2008-02-15 Richard Guenther <rguenther@suse.de>
5696 Zdenek Dvorak <ook@ucw.cz>
5698 PR tree-optimization/35164
5699 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5700 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5701 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5702 Only propagate addresses which do not have abnormal SSA_NAMEs
5705 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5708 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5710 2008-02-15 Jan Hubicka <jh@suse.cz>
5713 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5715 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5718 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5719 when calculating alignment_pad.
5721 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5723 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5724 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5725 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5726 and STACK_BOUNDARY define.
5728 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5730 PR preprocessor/35061
5731 * c-pragma.c (handle_pragma_pop_macro): Check that
5732 pushed_macro_table has been allocated.
5734 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5737 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5738 (force_gimple_operand): Likewise.
5739 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5740 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5741 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5742 (find_interesting_uses_address): Check addressability and alignment
5743 of the base expression only after substituting bases of IVs into it.
5745 2008-02-14 Michael Matz <matz@suse.de>
5748 * function.c (instantiate_virtual_regs_in_insn): Reload address
5749 before falling back to reloading the whole operand.
5751 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5753 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5754 before the first section switch note.
5756 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5758 * doc/bugreport.texi: Update copyright years.
5759 * doc/c-tree.texi: Likewise.
5760 * doc/cfg.texi: Likewise.
5761 * doc/cpp.texi: Likewise.
5762 * doc/cppinternals.texi: Likewise.
5763 * doc/fragments.texi: Likewise.
5764 * doc/frontends.texi: Likewise.
5765 * doc/gcc.texi: Likewise.
5766 * doc/gty.texi: Likewise.
5767 * doc/hostconfig.texi: Likewise.
5768 * doc/implement-c.texi: Likewise.
5769 * doc/libgcc.texi: Likewise.
5770 * doc/loop.texi: Likewise.
5771 * doc/makefile.texi: Likewise.
5772 * doc/options.texi: Likewise.
5773 * doc/passes.texi: Likewise.
5774 * doc/rtl.texi: Likewise.
5775 * doc/sourcebuild.texi: Likewise.
5776 * doc/standards.texi: Likewise.
5777 * doc/tree-ssa.texi: Likewise.
5778 * doc/trouble.texi: Likewise.
5780 * doc/extend.texi: Use @: or add comma where appropriate.
5781 * doc/invoke.texi: Likewise.
5782 * doc/tm.texi: Likewise.
5784 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5787 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5790 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5792 * doc/md.texi (clz, ctz): Add reference.
5793 * doc/rtl.texi (clz, ctz): Likewise.
5795 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5798 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5801 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5803 * config/s390/s390.c (struct constant_pool): New field
5804 emit_pool_after added.
5805 (s390_mainpool_start): Set the emit_pool_after flag according
5806 to the section switch notes.
5807 (s390_mainpool_finish): Consider emit_pool_after when emitting
5808 the literal pool at the end of the function.
5809 (s390_chunkify_start): Force literal pool splits at section
5812 2008-02-13 Michael Matz <matz@suse.de>
5815 * var-tracking.c (clobber_variable_part): Correctly traverse the
5818 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5821 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5822 Add -fdump-ipa-inline.
5823 * tree-dump.c (dump_files): Remove tree-inlined dump.
5824 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5826 2008-02-12 Richard Guenther <rguenther@suse.de>
5828 PR tree-optimization/35171
5829 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5832 2008-02-12 Richard Guenther <rguenther@suse.de>
5835 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5836 value-preserving mode. Disallow final truncation.
5838 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5841 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5842 code from here to...
5843 (force_gimple_operand): ...here.
5845 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5848 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5849 non-compatible pointers.
5850 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5851 different FIELD_DECLs, try harder by comparing field offsets, sizes
5855 * function.c (match_asm_constraints_1): Don't replace the same input
5858 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5860 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5861 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5862 (expand_epilogue): Restore RAMPZ register.
5863 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5865 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5867 * config/i386/cygwin.asm: (__alloca): Correct calling
5868 convention and alignment.
5869 (__chkstk): Force 8 byte stack alignment.
5871 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5872 Richard Guenther <rguenther@suse.de>
5874 PR tree-optimization/33992
5875 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5876 the zero we compare against.
5878 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5881 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5882 to CloseHandle after unlocking to prevent accumulation of handle
5885 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5888 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5889 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5890 and update LABEL_NUSES during and after reload.
5892 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5895 * combine.c (simplify_if_then_else): Make sure the comparison is
5896 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5898 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5901 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5902 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5903 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5904 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5905 * tree.h (get_type_static_bounds): Likewise.
5907 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5909 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5910 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5911 Make -Wfoo language annotations match what the compiler outputs.
5913 2008-02-08 Sa Liu <saliu@de.ibm.com>
5915 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5916 intrinsics spu_convts, spu_convtu, spu_convtf.
5917 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5919 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5921 * doc/extend.texi (Function Attributes) <noinline>: Mention
5922 asm ("") as method to keep calls.
5924 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5927 * doc/options.texi (Options): Replace references to opts.sh with
5929 * opts-common.c: Likewise.
5930 * optc-gen.awk: Likewise.
5932 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5934 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5936 2008-02-07 Richard Henderson <rth@redhat.com>
5939 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5940 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5943 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5945 PR tree-optimization/35085
5946 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5947 for operand entry oe2 in addition to operand entry oe3 in order to
5948 expose more opportunities for vectorizer sum reduction.
5950 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5953 * Makefile.in (LIBS): Remove $(GMPLIBS).
5954 (cc1-dummy, cc1): Add $(GMPLIBS).
5956 2008-02-06 Jan Hubicka <jh@suse.cz>
5959 * i386.md (moddf_integer): Do not produce partial memory stalls for
5960 targets where it hurts.
5962 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
5965 * optabs.c (expand_float): Do not check for decimal modes when
5966 expanding unsigned integer through signed conversion.
5968 2008-02-06 Nick Clifton <nickc@redhat.com>
5970 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
5971 inside the clobber with a match_operand and duplicated operand
5972 number in the constraint.
5973 (ineqbranchsi): Delete redundant comment.
5975 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
5977 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
5978 builtin_define ("__USE_INIT_FINI__").
5979 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
5981 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
5983 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5985 PR documentation/30330
5986 * doc/invoke.texi (C++ Dialect Options)
5987 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5988 For each warning option -Wfoo that allows -Wno-foo, ensure both
5989 -Wfoo and -Wno-foo are listed in the option index. Fix index
5990 entry of -Wswitch-default, index -Wnormalized= including the
5991 `=', and -Wlarger-than-@var{len} including @var{len}.
5993 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
5995 * config/i386/i386.md (floatunssisf2): Use
5996 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
5997 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
5998 Macroize expander using MODEF mode iterator.
6000 2008-02-05 Diego Novillo <dnovillo@google.com>
6002 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6005 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6007 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6010 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6012 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6015 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6016 to indicate if a message should be generated.
6017 (init_cumulative_args): Updated.
6018 (function_value_32): Likewise.
6020 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6022 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6024 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6027 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6028 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6030 2008-02-04 Diego Novillo <dnovillo@google.com>
6032 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6035 * tree-vrp.c (vrp_evaluate_conditional): With
6036 -Wtype-limits, emit a warning when comparing against a
6037 constant outside the natural range of OP0's type.
6039 2008-02-04 Richard Guenther <rguenther@suse.de>
6042 * expr.c (count_type_elements): Give for unions instead of
6045 2008-02-04 Richard Guenther <rguenther@suse.de>
6048 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6049 to TYPE_DOMAINs base type instead of using bitsizetype here.
6051 2008-02-03 Jason Merrill <jason@redhat.com>
6053 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6055 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6058 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6059 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6060 (RS/6000 and PowerPC Options): Fix typos and markup.
6061 * doc/passes.texi (Tree-SSA passes): Likewise.
6063 2008-02-02 Michael Matz <matz@suse.de>
6066 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6067 from record_last_reg_set_info.
6068 (record_last_reg_set_info): Take an RTX argument, iterate over all
6069 constituent hardregs.
6070 (record_last_set_info, record_opr_changes): Change calls to
6071 new signature or to record_last_reg_set_info_regno.
6073 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6075 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6077 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6079 PR rtl-optimization/34773
6080 * reg-notes.def (EQUAL): Mention significance of combination of
6081 REG_EQUAL and REG_RETVAL.
6082 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6083 insn that has a REG_RETVAL.
6085 2008-02-01 Roger Sayle <roger@eyesopen.com>
6088 * configure.ac (--enable-fixed-point): Disable unless explicitly
6090 * configure: Regenerate.
6092 2008-02-01 Richard Guenther <rguenther@suse.de>
6095 * invoke.texi (-finline-limit): Remove no longer true parts
6096 of the documentation. Note that there is no default value.
6098 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6099 Mark Mitchell <mark@codesourcery.com>
6100 Ben Elliston <bje@au.ibm.com>
6103 * doc/extend.texi (Other Builtins): Document.
6105 2008-01-31 Tom Browder <tom.browder@gmail.com>
6107 * doc/c-tree.texi (Types): Fix grammar.
6108 (Expression trees): Ditto.
6109 * doc/passes.texi (Tree-SSA passes): Ditto.
6111 * doc/configterms.texi (Configure Terms): Fix typo.
6112 * doc/cpp.texi (Common Predefined Macros): Ditto.
6113 * doc/md.texi (Machine Constraints): Ditto.
6115 * doc/makefile.texi (Makefile): Add comma.
6117 2008-01-31 Tom Browder <tom.browder@gmail.com>
6118 Gerald Pfeifer <gerald@pfeifer.com>
6120 * doc/sourcebuild.texi (Front End): Remove references to CVS
6121 and CVSROOT/modules.
6122 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6123 (Back End): Remove reference to CVS.
6125 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6128 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6130 (mips16_gp_pseudo_reg): ...here.
6131 * config/mips/mips.md (load_const_gp): Replace with...
6132 (load_const_gp_<mode>): ...this :P-based insn.
6134 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6136 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6137 options. Minor fixes.
6138 (-std): Move reference to standards closer to where language
6139 standards are first mentioned.
6141 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6143 PR rtl-optimization/34995
6144 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6145 parameter and return a bool. If the rtx parameter is nonnull,
6146 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6147 (find_reloads): Update call accordingly. Pass the new operand
6148 if it needed no address reloads, otherwise pass null.
6150 2008-01-30 Richard Henderson <rth@redhat.com>
6153 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6154 for unbounded arrays.
6156 2008-01-30 Silvius Rus <rus@google.com>
6158 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6160 2008-01-30 Jan Hubicka <jh@suse.cz>
6163 * i386.c (init_cumulative_args): Use real function declaration when
6166 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6168 PR rtl-optimization/34998
6169 * global.c (build_insn_chain): Treat non-subreg_lowpart
6170 SUBREGs of pseudos as clobbering all the words covered by the
6171 SUBREG, not just all the bytes.
6172 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6173 original df_ref rather than an extract parameter.
6174 (global_conflicts): Update call accordingly.
6176 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
6178 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6179 the overflow check to make it easier to read.
6180 (__fixtfdi): Change the type of the ll member in union
6181 long_double to UDItype_x.
6183 2008-01-30 Jakub Jelinek <jakub@redhat.com>
6186 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6187 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6188 * tree-inline.c (fold_marked_statements): Call
6189 cgraph_update_edges_for_call_stmt if folding a call statement.
6190 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6191 debug_generic_stmt calls, reset it back afterwards.
6194 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6196 * c-typeck.c (build_external_ref): Don't pedwarn about
6197 static vars in current function's scope.
6199 2008-01-29 Joseph Myers <joseph@codesourcery.com>
6201 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6203 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
6206 * ipa-struct-reorg.c: Fix spelling.
6207 * params.def: Ditto.
6209 2008-01-29 Richard Guenther <rguenther@suse.de>
6212 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6214 * tree-inline.c (remap_type): Increment remapping_type_depth
6215 around remapping types.
6216 (copy_body_r): Only add referenced variables if they are referenced
6217 from code, not types.
6219 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
6230 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6231 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6233 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
6236 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
6237 pointer for tiny stack.
6239 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6241 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
6243 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6245 * config/vx-common.h: Fix typo in comment.
6247 2008-01-28 Ian Lance Taylor <iant@google.com>
6251 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6252 coalesce pointers if they have different DECL_NO_TBAA_P values.
6253 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
6254 between variables with different DECL_NO_TBAA_P values.
6256 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
6259 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
6260 are not legitimate small data references on SPE targets.
6262 2008-01-28 David Daney <ddaney@avtrex.com>
6264 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
6266 2008-01-28 David Daney <ddaney@avtrex.com>
6268 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
6270 2008-01-27 Joseph Myers <joseph@codesourcery.com>
6272 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
6273 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
6274 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
6275 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
6276 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
6277 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
6278 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
6279 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
6281 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6283 * basic-block.h (condjump_equiv_p): Fix comment.
6285 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6287 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
6288 print_generic_stmt_indented): Fix comment.
6290 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6292 * configure.ac (__stack_chk_fail): Add detecion for availability
6293 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
6294 * configure: Regenerate.
6296 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
6299 * final.c (output_addr_const): Handle TRUNCATE.
6301 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
6304 * tree-ssa-loop-ivopts.c (comp_cost): New type.
6305 (zero_cost, infinite_cost): New constants.
6306 (struct cost_pair): Change type of cost to comp_cost.
6307 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
6308 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
6310 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
6311 split_address_cost, ptr_difference_cost, difference_cost,
6312 get_computation_cost_at, get_computation_cost,
6313 determine_use_iv_cost_generic, determine_use_iv_cost_address,
6314 determine_use_iv_cost_condition, determine_use_iv_costs,
6315 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
6316 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
6317 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
6318 Change type of cost to comp_cost.
6319 (determine_iv_cost): Increase cost of non-original ivs, instead
6320 of decreasing the cost of original ones.
6321 (get_address_cost): Indicate the complexity of the addressing mode
6323 (try_add_cand_for): Prefer using ivs not specific to some object.
6324 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
6326 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
6327 Janis Johnson <janis187@us.ibm.com>
6330 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
6331 (TARGET_INSTANTIATE_DECLS): Likewise.
6332 * target.h (expand_to_rtl_hook): New target hook.
6333 (instantiate_decls): Likewise.
6334 * function.c (instantiate_decl): Make non-static. Rename to...
6335 (instantiate_decl_rtl): ... this.
6336 (instantiate_expr): Use instantiate_decl_rtl.
6337 (instantiate_decls_1): Likewise.
6338 (instantiate_decls): Likewise.
6339 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
6340 * function.h (instantiate_decl_rtl): Add prototype.
6341 * cfgexpand.c (target.h): New include.
6342 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
6343 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
6344 (TARGET_INSTANTIATE_DECLS): Likewise.
6345 (TARGET_INITIALIZER): New target hooks added.
6346 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6348 * config/rs6000/rs6000.c (tree-flow.h): New include.
6349 (machine_function): Add sdmode_stack_slot field.
6350 (rs6000_alloc_sdmode_stack_slot): New function.
6351 (rs6000_instantiate_decls): Likewise.
6352 (rs6000_secondary_memory_needed_rtx): Likewise.
6353 (rs6000_check_sdmode): Likewise.
6354 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
6355 (TARGET_INSTANTIATE_DECLS): Likewise.
6356 (rs6000_hard_regno_mode_ok): Allow SDmode.
6357 (num_insns_constant): Likewise. Handle _Decimal32 constants.
6358 (rs6000_emit_move): Handle SDmode.
6359 (function_arg_advance): Likewise.
6360 (function_arg): Likewise.
6361 (rs6000_gimplify_va_arg): Likewise. Add special handling of
6362 SDmode var args for 32-bit compiles.
6363 (rs6000_secondary_reload_class): Handle SDmode.
6364 (rs6000_output_function_epilogue): Likewise.
6365 (rs6000_function_value): Simplify if statement.
6366 (rs6000_libcall_value): Likewise.
6367 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
6368 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
6369 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
6370 (movsd_hardfloat): New define_insn.
6371 (movsd_softfloat): Likewise.
6372 (movsd_store): Likewise.
6373 (movsd_load): Likewise.
6374 (extendsddd2): Likewise.
6375 (extendsdtd2): Likewise.
6376 (truncddsd2): Likewise.
6377 (movdd_hardfloat64): Fixup comment.
6378 (UNSPEC_MOVSD_LOAD): New constant.
6379 (UNSPEC_MOVSD_STORE): Likewise.
6381 2008-01-26 Jakub Jelinek <jakub@redhat.com>
6384 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
6386 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
6387 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
6388 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
6391 2008-01-26 David Edelsohn <edelsohn@gnu.org>
6394 * config.gcc: Separate AIX 5.3 from AIX 6.1.
6395 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6396 __LONGDOUBLE128 too.
6397 * config/rs6000/aix61.h: New file.
6399 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6401 PR rtl-optimization/34959
6402 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
6403 popcount and parity rtxes the same mode as their operand.
6404 Truncate or extend the result to the return value's mode
6407 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6410 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
6411 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6412 to GOT_VERSION_REGNUM.
6413 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
6414 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
6415 * config/mips/mips.c (mips_emit_call_insn): New function.
6416 (mips_call_tls_get_addr): Call mips_expand_call directly.
6417 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
6419 (mips16_build_call_stub): Likewise. Return the call insn or null.
6420 (mips_expand_call): Update the call to mips16_build_call_stub
6421 accordingly and a remove redundant condition. Assert that MIPS16
6422 stubs do not use lazy binding. Use mips_emit_call_insn and return
6424 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
6426 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
6427 (mips_avoid_hazard): Remove hazard_set handling.
6428 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
6429 (UNSPEC_RESTORE_GP): ...this.
6430 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
6431 (FAKE_CALL_REGNO): Rename to...
6432 (GOT_VERSION_REGNUM): ...this.
6433 (type): Add "ghost" value. Add an associated insn reservation.
6434 (hazard_set): Remove.
6435 (exception_receiver): Rename to...
6436 (restore_gp): ...this and update the unspec identifier accordingly.
6437 (exception_receiver, nonlocal_got_receiver): New expanders.
6438 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6439 FAKE_CALL_REGNO. Remove hazard_set attribute.
6440 (set_got_version, update_got_version): New patterns.
6442 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6445 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6447 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6450 * doc/install.texi2html: Generate gcc-vers.texi.
6452 2008-01-25 DJ Delorie <dj@redhat.com>
6454 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6456 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6458 * config/c4x: Remove directory.
6459 * config.gcc (crx-*, mt-*): Mark obsolete.
6460 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6461 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6462 sh-*-rtemscoff*): Remove cases.
6463 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6464 * real.c (encode_c4x_single, decode_c4x_single,
6465 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6466 c4x_extended_format): Remove.
6467 * real.h (c4x_single_format, c4x_extended_format): Remove.
6468 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6470 (Pragmas): Remove comment about c4x pragmas.
6471 * doc/install.texi (c4x): Remove target-specific instructions.
6472 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6473 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6474 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6475 refer to C4x source files as examples.
6476 (C4X_FLOAT_FORMAT): Remove documentation.
6478 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6480 * config/bfin/bfin.c (override_options): Reorder tests so that
6481 flag_pic gets enabled for -msep-data.
6483 2008-01-25 Richard Guenther <rguenther@suse.de>
6486 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6487 to its bitfield precision if required.
6489 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6492 * tree-nested.c (walk_omp_for): New function.
6493 (convert_nonlocal_reference, convert_local_reference): Call
6494 walk_omp_for on OMP_FOR.
6495 (convert_call_expr): Call walk_body on OMP_FOR's
6496 OMP_FOR_PRE_INIT_BODY.
6498 2008-01-25 Richard Guenther <rguenther@suse.de>
6500 PR tree-optimization/34966
6501 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6502 default defs and PHI_NODEs we have to insert after the
6505 2008-01-24 Nick Clifton <nickc@redhat.com>
6507 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6508 Provide a default definition.
6509 (LIBGCC2_UNITS_PER_WORD): Likewise.
6511 * config/stormy16/stormy16.c: Include df.h for the prototype
6512 for df_regs_ever_live_p.
6513 (xstormy16_expand_builtin_va_start): Convert the stack offset
6514 into a component_ref and then use POINTER_PLUS_EXPR to add it
6515 to the incoming_virtual_args_rtx.
6516 (xstormy16_gimplify_va_arg_expr): Rename to
6517 xstormy16_gimplify_va_arg_expr.
6518 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6519 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6520 xstormy16_gimplify_va_arg_expr.
6521 Fix up some formatting issues.
6523 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6524 Move to predicates.md.
6525 (xs_hi_general_operand): Likewise.
6526 (xs_hi_nonmemory_operand): Likewise.
6527 * config/stormy16/predicates.md:
6528 (xstormy16_carry_plus_operand): New predicate.
6529 (xs_hi_general_operand): New predicate.
6530 (xs_hi_nonmemory_operand): New predicate.
6531 * config/stormy16/stormy16-protos.h:
6532 (xstormy16_carry_plus_operand): Delete prototype.
6533 (xs_hi_general_operand): Likewise.
6534 (xs_hi_nonmemory_operand): Likewise.
6536 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6537 modifiers as they are no longer needed and they can trigger
6538 reload spill failures.
6540 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6541 with a match_operand in order to help reload.
6543 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6544 constraint with 'e' for the 8th alternative as this version of
6545 the mov.w instruction only accepts the lower 8 registers.
6547 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6550 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6551 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6554 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6557 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6559 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6561 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6563 (remove_structure): Update allocations list before removing structure.
6565 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6567 * ipa-struct-reorg.c (is_safe_cond_expr,
6568 create_new_stmts_for_cond_expr): Use integer_zerop function,
6569 that recognize not only zero-pointer, but zero-integer too.
6571 2008-01-25 Ben Elliston <bje@au.ibm.com>
6574 * fixproto: Escape "." in sed expression that strips leading "./".
6576 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6579 * gcc.c (SWITCH_OK): Removed.
6580 (SWITCH_LIVE): Changed to bit.
6581 (SWITCH_FALSE): Likewise.
6582 (SWITCH_IGNORE): Likewise.
6583 (switchstr): Change live_cond to unsigned int.
6584 (process_command): Replace SWITCH_OK with 0.
6585 (do_self_spec): Likewise.
6586 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6587 (give_switch): Likewise.
6588 (used_arg): Likewise.
6589 (do_spec_1): Set the SWITCH_IGNORE bit.
6590 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6591 bits. Set the SWITCH_LIVE bit.
6593 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6595 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6597 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6599 PR tree-optimization/34472
6600 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6601 parameter to a "bool *" and set *DATA to false if there is
6602 an unsafe access. Do not delete the structure here.
6603 (check_cond_exprs): Delete it here instead.
6604 (check_cond_exprs, exclude_cold_structs): Do not increase
6605 I when removing a structure.
6607 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6610 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6611 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6613 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6616 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6617 a fixed vector for stack.
6619 2008-01-24 Ben Elliston <bje@au.ibm.com>
6622 * doc/gcc.texi (Software development): Add a direntry for g++.
6624 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6626 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6627 stale and straggling -fforce-addr comments above.
6629 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6631 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6632 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6634 2008-01-23 Michael Matz <matz@suse.de>
6637 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6640 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6642 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6645 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6647 * config/avr/avr.c (avr_current_arch): New variable.
6648 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6649 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6650 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6651 (avr_override_options): Init 'avr_current_arch'.
6652 (base_arch_s): Move from here...
6653 * config/avr/avr.h (base_arch_s): ... here. Add new members
6654 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6655 'mega' to 'have_jmp_call'.
6656 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6657 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6659 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6661 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6662 MULTILIB_MATCHES): (Ditto.).
6664 2008-01-23 Richard Guenther <rguenther@suse.de>
6667 * cgraphunit.c (cgraph_reset_node): Always mark the node
6668 not reachable if it is not queued already.
6670 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6672 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6673 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6674 (cputype_selected): New static variable.
6675 (bfin_handle_option): Set it if -mcpu is used.
6676 (override_option): Select default set of workarounds if no cpu type
6677 selected on the command line.
6678 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6680 From Michael Frysinger <michael.frysinger@analog.com>
6681 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6682 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6684 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6685 for bf547, bf523, bf524, and bf526.
6686 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6688 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6689 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6690 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6691 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6692 * doc/invoke.texi (Blackfin Options): Document that
6693 -mcpu now accept bf547, bf523, bf524, and bf526.
6695 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6697 PR rtl-optimization/34628
6698 * combine.c (try_combine): Stop and undo after the first combination
6699 if an autoincrement side-effect on the first insn has effectively
6702 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6705 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6706 Offset addresses are not valid for Altivec or paired float modes.
6708 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6711 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6712 if DECL_INITIAL (decl) is error_mark_node.
6715 * c-common.c (handle_vector_size_attribute): Only allow
6716 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6717 the same way as pointer, array etc. types.
6718 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6721 * tree.c (build_type_attribute_qual_variant): Call
6722 build_qualified_type if attributes are equal, but quals are not.
6724 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6727 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6728 * flags.h (warn_strict_aliasing): Remove.
6729 (warn_strict_overflow): Remove.
6730 * opts.c (warn_strict_aliasing): Remove.
6731 (warn_strict_overflow): Remove.
6732 * c-opts.c (c_common_handle_option): -Wall only sets
6733 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6734 (c_common_post_options): Give default values to -Wstrict-aliasing
6735 and -Wstrict-overflow if they are uninitialized.
6736 * common.opt (Wstrict-aliasing): Specify Var and Init.
6737 (Wstrict-overflow): Likewise.
6739 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6741 PR rtl-optimization/26854
6742 PR rtl-optimization/34400
6743 PR rtl-optimization/34884
6744 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6746 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6747 (df_rd_bb_info.expanded_lr_out): Deleted
6748 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6749 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6750 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6751 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6752 Removed code to allocate, initialize or free expanded_lr_out.
6753 (df_rd_bb_local_compute_process_def): Restructured to make more
6755 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6756 sets if the sets are being trimmed.
6758 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6761 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6762 (as_vers): Likewise.
6763 * configure: Regenerated.
6765 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6768 * tree-pass.h (pass_build_alias): New pass.
6769 * tree-ssa-alias.c (gate_build_alias): New.
6770 (pass_build_alias): New.
6771 * passes.c (init_optimization_passes): Add pass_build_alias after
6772 pass_create_structure_vars.
6774 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6776 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6777 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6778 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6779 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6780 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6781 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6782 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6783 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6784 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6785 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6786 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6787 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6788 * config/s390/s390.md (FP_ALL): New mode iterator.
6789 (_d): New mode attribute.
6790 ("*signbit<mode>2>"): Changed mode of first operand.
6791 ("isinf<mode>2"): Changed mode of first operand.
6792 ("*TDC_insn"): Adaptation for DFP modes.
6794 2008-01-22 Ben Elliston <bje@au.ibm.com>
6796 * tree.c (check_qualified_type): Improve function description.
6798 2008-01-21 Jason Merrill <jason@redhat.com>
6801 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6802 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6805 2008-01-21 DJ Delorie <dj@redhat.com>
6807 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6810 2008-01-21 Richard Guenther <rguenther@suse.de>
6813 * tree-cfg.c (verify_expr): Allow all invariant expressions
6814 instead of just constant class ones as reference argument.
6815 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6816 like any other constant.
6817 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6819 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6821 * regmove.c (fixup_match_1): Update call crossed frequencies.
6823 2008-01-21 Richard Guenther <rguenther@suse.de>
6826 * tree-inline.c (setup_one_parameter): Deal with mismatched
6827 types using a VIEW_CONVERT_EXPR.
6829 2008-01-21 Alon Dayan <alond@il.ibm.com>
6830 Olga Golovanevsky <olga@il.ibm.com>
6832 PR tree-optimization/34701
6833 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6834 when the structure size is not a power of 2.
6836 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6838 * doc/install.texi: Add doc for --enable-checking=df.
6840 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6842 PR rtl-optimization/34808
6843 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6845 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6847 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6850 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6852 PR rtl-optimization/26854
6853 PR rtl-optimization/34400
6854 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6856 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6857 (df_rd_bb_info.expanded_lr_out): New.
6858 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6859 * loop_iv.c (iv_analysis_loop_init): Ditto.
6860 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6861 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6862 Added code to allocate, initialize or free expanded_lr_out.
6863 (df_rd_bb_local_compute_process_def): Restructured to make
6864 more understandable.
6865 (df_rd_confluence_n): Add code to do nothing with fake edges and
6866 code to no apply invalidate_by_call sets if the sets are being trimmed.
6867 (df_lr_local_finalize): Renamed to df_lr_finalize.
6868 (df_live_local_finalize): Renamed to df_live_finalize.
6870 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6873 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6874 deciding whether to use reciprocal instructions.
6876 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6878 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6879 dwarf2out_note_section_used if cold_text_section is NULL.
6881 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6883 PR gcov-profile/34610
6884 * tree-cfg.c (make_edges): Mark both outgoing edges from
6885 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6886 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6887 from OMP_FOR and OMP_CONTINUE outgoing edges.
6889 * tree-profile.c (tree_profiling): Return early if
6890 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6892 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6893 from cfun to child_cfun.
6894 * function.h (struct function): Add after_tree_profile bit.
6896 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6898 * config/avr/avr.S (_exit): Disable interrupt.
6900 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6901 Steven Bosscher <stevenb.gcc@gmail.com>
6903 PR rtl-optimization/26854
6904 PR rtl-optimization/34400
6905 * df-problems.c (df_live_scratch): New scratch bitmap.
6906 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6907 (df_live_reset): Clear the proper bitmaps.
6908 (df_live_bb_local_compute): Only process the artificial defs once
6909 since the order is not important.
6910 (df_live_init): Init the df_live sets only with the variables
6911 found live by df_lr.
6912 (df_live_transfer_function): Use the df_lr sets to prune the
6913 df_live sets as they are being computed.
6914 (df_live_free): Free df_live_scratch.
6916 2008-01-18 Ian Lance Taylor <iant@google.com>
6918 * common.opt: Add fmerge-debug-strings.
6919 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6920 flag_merge_debug_strings rather than flag_merge_constants.
6921 * doc/invoke.texi (Option Summary): Mention
6922 -fmerge-debug-strings.
6923 (Debugging Options): Document -fmerge-debug-strings.
6925 2008-01-18 Ian Lance Taylor <iant@google.com>
6928 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6929 (struct tree_function_decl): Add new field operator_new_flag.
6930 * tree-inline.c (expand_call_inline): When inlining a call to
6931 operator new, force the return value to go into a variable, and
6932 set DECL_NO_TBAA_P on that variable.
6933 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6935 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6938 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6939 DWARF2_DEBUGGING_INFO.
6940 (dwarf2out_note_section_used): Ditto. Add prototype.
6941 (have_multiple_function_sections, text_section_used,
6942 cold_text_section_used, *cold_text_sections): Move declarations
6945 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6947 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6948 field and add signal_ra.
6949 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6950 assignments to frame state pc. Move end of stack check after
6951 MD_FALLBACK_FRAME_STATE_FOR.
6952 (uw_update_context_1): Use frame state signal_regs if set, instead
6953 of checking signal_frame flag.
6954 (uw_update_context): Use frame state signal_ra if set.
6955 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
6956 * config/xtensa/linux-unwind.h: New file.
6958 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
6960 * modulo-sched.c (get_sched_window): Fix comment typo.
6962 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
6964 PR tree-optimization/34648
6965 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
6967 2008-01-17 Anatoly Sokolov <aesok@post.ru>
6969 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
6970 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
6972 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
6974 PR rtl-optimization/34400
6975 * df-core.c (df_worklist_dataflow_overeager,
6976 df_worklist_dataflow_doublequeue): New functions.
6977 (df_worklist_dataflow): Two different worklist solvers.
6978 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
6981 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
6984 * doc/invoke.texi: Document the dependence on pthread for fopenmp
6985 and ftree-parallelize-loops.
6987 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
6989 PR rtl-optimization/34826
6990 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
6992 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
6994 * global.c (find_reg): Mark the eh regs as used if necessary.
6995 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
6996 * ra.h (struct allocno): no_eh_reg field added. Changed
6997 no_stack_reg type to bitfield.
6999 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7001 * tree.c (substitute_in_expr): Add missing 'break'.
7003 2008-01-17 Richard Guenther <rguenther@suse.de>
7005 PR tree-optimization/34825
7006 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7007 x / x as division to handle.
7009 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7011 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7012 "-pthread" is specified.
7013 * pa-hpux11.h (LIB_SPEC): Likewise.
7015 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7016 Peter Bergner <bergner@vnet.ibm.com>
7018 PR rtl-optimization/33796
7019 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7021 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7023 PR libgfortran/34699
7024 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7026 * pa-hpux10.h (LINK_SPEC): Likewise.
7027 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7029 2008-01-16 Richard Guenther <rguenther@suse.de>
7032 * fold-const.c (fold_convert_const_int_from_int): Do not
7033 set overflow if that occured only because of a sign extension
7034 change when converting from/to a sizetype with the same
7035 precision and signedness.
7037 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7040 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7041 location address to the correct place. Update copyright year.
7043 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7045 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7046 no dependences in the dependence_relations vector.
7048 2008-01-16 Jan Hubicka <jh@suse.cz>
7050 PR rtl-optimization/31396
7051 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7052 * cfg.c (dump_reg_info): Print it.
7053 * regs.h (struct reg_info_t): add freq_calls_crossed.
7054 (REG_FREQ_CALLS_CROSSED): New macro.
7055 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7056 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7057 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7058 regmove_optimize): Update call crossed frequencies.
7059 * local-alloc.c (struct qty): Add freq_calls_crossed.
7060 (alloc_qty): Copute freq_calls_crossed.
7061 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7062 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7063 * ra.h (struct allocno): Add freq_calls_crossed.
7065 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7067 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7068 libgomp when compiling with ftree-parallelize-loops.
7069 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7071 2008-01-16 Richard Guenther <rguenther@suse.de>
7073 PR tree-optimization/34769
7074 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7075 * tree.c (int_cst_value): Instead make this function more
7076 permissive in what it accepts as valid input. Document this
7077 function always sign-extends the value.
7079 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7080 Richard Guenther <rguenther@suse.de>
7083 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7084 (gimple_fold_indirect_ref_rhs): ... this.
7085 (gimple_fold_indirect_ref): New function with foldings
7086 that preserve lvalueness.
7087 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7088 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7089 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7090 to fold an INDIRECT_REF, fall back to the old use of
7091 fold_indirect_ref_1.
7093 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7095 * tree-data-ref.c (subscript_dependence_tester_1): Call
7096 free_conflict_function.
7097 (compute_self_dependence): Same.
7099 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7102 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7103 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7105 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7106 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7107 for DWARF2_UNWIND_INFO targets.
7109 2008-01-16 Richard Guenther <rguenther@suse.de>
7112 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7113 type qualifiers for function types.
7115 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7117 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7118 loop_iterator li from previous commit.
7120 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7122 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7124 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7126 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7127 (parallelize_loops): Don't parallelize irreducible components.
7129 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7132 * c-opts (c_common_post_options): Do not enable CPP
7133 flag_pedantic_errors by default.
7135 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7137 PR rtl-optimization/31944
7138 * cse.c (remove_pseudo_from_table): New function.
7139 (merge_equiv_classes): Use above function to remove pseudo-registers.
7140 (invalidate): Likewise.
7142 2008-01-13 Richard Guenther <rguenther@suse.de>
7145 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7146 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7148 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7150 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7151 validate_change to unshare the source of the PC set.
7153 2008-01-12 Jan Hubicka <jh@suse.cz>
7156 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7157 references above array bounds. This might trigger bounds checks for
7160 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7162 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7163 new_replaceable_dependencies.
7165 2008-01-12 Doug Kwan <dougkwan@google.com>
7167 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7168 instead of OPT_Wreturn_type in warning due to ignored return type
7170 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7171 options included in -Wextra.
7172 * c.opt: New option -Wignored_qualifiers.
7173 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7174 -Wignore_qualifiers.
7175 (-Wignored-qualifiers): Document.
7176 (-Wreturn-type): Remove description of functionality now handled
7177 by -Wignored-qualifiers.
7179 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
7182 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7183 NOP_EXPR if it is between integral types with the same precision.
7185 2008-01-12 Jan Hubicka <jh@suse.cz>
7188 * invoke.texi (max-inline-recursive-depth): Fix default value.
7190 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
7192 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7195 2008-01-11 Bob Wilson <bob.wilson@acm.org>
7197 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7199 2008-01-11 James E. Wilson <wilson@specifix.com>
7202 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7204 2008-01-11 Anatoly Sokolov <aesok@post.ru>
7206 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
7207 save/restore frame pointer register and don't use 'call-prologues'
7208 optimization in function with "OS_task" attribute.
7210 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
7213 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7214 when copying to memory.
7216 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
7218 PR rtl-optimization/30905
7219 * cfgcleanup.c: Include dce.h
7220 (crossjumps_occured): New global variable.
7221 (try_crossjump_bb): Exit loop after finding a fallthru edge.
7222 If something changed, set crossjumps_occured to true.
7223 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7224 Don't add/remove fake edges to exit here...
7225 (cleanup_cfg): ...but do it here, when crossjumping.
7226 Run a fast DCE when successful crossjumps occured in the latest
7227 iteration of try_optimize_cfg.
7229 2008-01-11 Richard Guenther <rguenther@suse.de>
7231 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7232 (struct vn_unary_op_s): Likewise.
7233 (vn_reference_insert): Free old reference on hash collision.
7235 2008-01-10 Raksit Ashok <raksit@google.com>
7237 PR rtl-optimization/27971
7238 * combine.c (find_split_point): Split PLUS expressions which are
7239 inside a MEM rtx, and whose first operand is complex.
7241 2008-01-10 DJ Delorie <dj@redhat.com>
7243 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
7244 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
7245 (m32c_hard_regno_ok): Call the underlying function.
7247 2008-01-10 Richard Guenther <rguenther@suse.de>
7250 * tree-cfg.c (tree_merge_blocks): Do not go through the
7251 full-blown folding and stmt updating path if we just deal
7252 with virtual operands.
7253 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
7254 test for abnormal SSA_NAMEs.
7256 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
7259 * reload.c (push_reload): Add assertions. All constants from
7260 reg_equiv_constant should have been used for replacing the respective
7262 (find_reloads_address): Invoke find_reloads_address_part for
7263 constant taken from the reg_equiv_constant array.
7265 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
7267 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
7268 field (valnum) the first in the struct. Replace bools with
7271 2008-01-10 Richard Guenther <rguenther@suse.de>
7273 PR tree-optimization/34651
7274 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
7275 types and ordering for masking and converting.
7277 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
7279 PR tree-optimization/34017
7280 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
7281 also for PHI_NODE expressions.
7283 2008-01-09 Jan Hubicka <jh@suse.cz>
7285 PR tree-optimization/34708
7286 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
7287 based on number of case labels.
7288 (init_inline_once): Remove switch_cost.
7289 * tree-inline.h (eni_weights_d): Remove switch_cost.
7291 2008-01-09 Richard Guenther <rguenther@suse.de>
7292 Andrew Pinski <andrew_pinski@playstation.sony.com>
7295 * gimplify.c (gimplify_cond_expr): Do not create an addressable
7296 temporary if an rvalue is ok or an lvalue is not required.
7298 2008-01-09 Richard Guenther <rguenther@suse.de>
7301 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
7304 2008-01-09 Richard Guenther <rguenther@suse.de>
7307 * tree.c (host_integerp): Check for sizetype only if the
7308 type is an integer type.
7310 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
7313 * opts.c (decode_options): Disable inlining of functions called
7314 once if not in unit-at-a-time mode.
7316 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
7318 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
7320 2008-01-08 Richard Guenther <rguenther@suse.de>
7323 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
7324 out early if the result will be unused.
7326 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7331 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7332 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7335 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
7337 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
7338 for vectorization tuned.
7340 2008-01-08 Richard Guenther <rguenther@suse.de>
7342 PR tree-optimization/34683
7343 * tree-ssa-operands.c (operand_build_cmp): Export.
7344 * tree-ssa-operands.h (operand_build_cmp): Declare.
7345 * tree-vn.c (vuses_compare): Remove.
7346 (sort_vuses): Use operand_build_cmp.
7347 (sort_vuses_heap): Likewise.
7348 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
7349 to re-use old VEC if available. Do not sort already sorted VUSEs.
7350 (vdefs_to_vec): Do not sort already sorted VDEFs.
7352 2008-01-08 Jakub Jelinek <jakub@redhat.com>
7355 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
7357 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7360 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
7361 limitations of reciprocal sequences on x86 targets.
7363 2008-01-08 Richard Guenther <rguenther@suse.de>
7365 PR tree-optimization/34683
7366 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
7368 2008-01-07 Jakub Jelinek <jakub@redhat.com>
7371 * config/darwin.c (darwin_mergeable_string_section): Don't use
7372 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
7374 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
7377 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
7378 negxf2. Macroize expander using X87MODEF mode iterator. Change
7379 predicates of op0 and op1 to register_operand.
7380 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
7381 expander using X87MODEF mode iterator. Change predicates of
7382 op0 and op1 to register_operand.
7383 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
7384 corresponding patterns and macroize using MODEF macro. Change
7385 predicates of op0 and op1 to register_operand and remove
7386 "m" constraint. Disparage "r" alternative with "!".
7387 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
7388 macroize using X87MODEF macro. Change predicates of op0 and op1
7389 to register_operand and remove "m" constraint. Disparage "r"
7390 alternative with "!".
7391 (absneg splitter with memory operands): Remove.
7392 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
7393 patterns and macroize using X87MODEF mode iterator.
7394 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
7395 Change predicate of op1 to register_operand.
7396 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
7397 for memory operands.
7399 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
7401 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
7403 2008-01-07 Richard Guenther <rguenther@suse.de>
7405 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
7408 2008-01-07 Richard Guenther <rguenther@suse.de>
7410 PR tree-optimization/34683
7411 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
7412 VOPs of the needed size to save memory. Use VEC_quick_push
7413 to save compile-time.
7414 (vdefs_to_vec): Likewise.
7416 2008-01-07 Sa Liu <saliu@de.ibm.com>
7418 * config/spu/spu.md (divdf3): Genetate inline code for double
7419 division. The implementation doesn't handle INF or NAN, therefore it
7420 only applies when -ffinite-math-only is given.
7422 2008-01-06 Paolo Carlini <pcarlini@suse.de>
7425 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
7426 * doc/cpp.texi ([Common Predefined Macros]): Document.
7428 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
7430 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
7431 order to use commutative addition instead of subtraction.
7433 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7434 Mircea Namolaru <namolaru@il.ibm.com>
7435 Vladimir Yanovsky <yanov@il.ibm.com>
7436 Revital Eres <eres@il.ibm.com>
7438 PR tree-optimization/34263
7439 * tree-outof-ssa.c (process_single_block_loop_latch,
7440 contains_tree_r): New functions.
7441 (analyze_edges_for_bb): Call process_single_block_loop_latch
7442 function to empty single-basic-block latch block if possible.
7444 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7446 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7448 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7450 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7452 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7454 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7456 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7458 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7460 PR tree-optimization/34618
7461 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7464 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7467 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7468 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7469 Update copyright year.
7471 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7472 Update copyright year.
7473 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7476 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7478 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7479 edge does not point to current bb before changing need_assert.
7481 2008-01-04 Richard Guenther <rguenther@suse.de>
7484 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7485 for verifying purposes if they are is_gimple_min_invariant.
7487 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7489 PR tree-optimization/34448
7490 PR tree-optimization/34465
7491 * gimplify.c (gimplify_init_constructor): Add new parameter
7492 notify_temp_creation. Use it.
7493 (gimplify_modify_expr_rhs): Take volatiles into account when
7494 optimizing constructors.
7495 Do not optimize constructors if gimplify_init_constructor will dump to
7497 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7498 * gcc.c-torture/compile/pr34448.c: New.
7500 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7502 PR gcov-profile/34609
7503 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7504 return_slot if result is TREE_ADDRESSABLE.
7506 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7508 * config/mips/mips.md (sqrt_condition): Tweak comment.
7509 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7511 2008-01-03 Tom Tromey <tromey@redhat.com>
7514 * c-common.c (c_type_hash): Handle VLAs.
7516 2008-01-03 Jan Hubicka <jh@suse.cz>
7518 PR tree-optimization/31081
7519 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7520 0 when inlining and not inlining to first basic block.
7521 (remap_decl): When var is initialized to 0, don't set default_def.
7522 (expand_call_inline): Set entry_bb.
7523 * tree-inline.h (copy_body_data): Add entry_bb.
7525 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7528 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7531 PR tree-optimization/29484
7532 * tree-inline.c (inline_forbidden_p_2): New function.
7533 (inline_forbidden_p): Disallow inlining if some static var
7534 has an address of a local LABEL_DECL in its initializer.
7535 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7538 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7540 PR tree-optimization/34635
7541 * tree-data-ref.c (add_other_self_distances): Make sure that the
7542 evolution step is constant.
7544 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7547 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7549 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7551 * tree-sra.c (scalarize_init): Insert the generate_element_init
7552 statements after the generate_element_zero statements.
7554 2008-01-02 Richard Guenther <rguenther@suse.de>
7558 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7559 for very large number of operands instead of ICEing.
7561 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7564 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7565 while stack probing.
7567 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7569 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7572 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7575 * tree-mudflap.c (mx_register_decls): Guard warning by
7576 !DECL_ARTIFICIAL check.
7578 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7580 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7581 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7582 sse5_perm<mode>): Fix constraints.