1 2008-04-26 Simon Baldwin <simonb@google.com>
4 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
5 with propagated string constants.
7 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
9 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
10 constraint for operand 2 when operand 0 is memory operand.
11 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
12 operand 0 is memory operand.
13 (fix_trunc<mode>_i387_with_temp): Ditto.
14 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
15 operand 2 when operand 1 is memory operand.
16 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
17 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
18 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
19 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
20 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
21 operands 2,3 and 4 when operand 1 is memory operand.
22 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
24 (fistdi2_floor_with_temp): Ditto.
25 (fist<mode>2_floor_with_temp): Ditto.
26 (fistdi2_ceil_with_temp): Ditto.
27 (fist<mode>2_ceil_with_temp): Ditto.
28 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
30 2008-04-26 David Daney <ddaney@avtrex.com>
32 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
34 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
35 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
36 UNSPEC_UPDATE_GOT_VERSION): Renumber.
37 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
38 (compare_and_swap_12): New insn.
39 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
40 * config/mips/mips.c (mips_force_binary): New function.
41 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
42 (mips_expand_compare_and_swap_12): New function.
43 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
45 2008-04-25 Jan Hubicka <jh@suse.cz>
48 * cfgexpand.c (pass_expand): Turn into RTL pass.
49 * passes.c (execute_one_pass): Do pass typechecking after execution.
50 * tree-pass.h (pass_expand): Turn into RTL pass.
52 * function.h (struct rtl_data): Move here fields
53 accesses_prior_frames, calls_eh_return, saves_all_registers,
54 has_nonlocal_goto, has_asm_statement, is_thunk,
55 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
56 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
57 arg_pointer_save_area_init from struct function; turn into bool.
58 (struct function): Move
59 calls_eh_return, saves_all_registers, has_nonlocal_goto,
60 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
61 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
62 tail_call_emit, arg_pointer_save_area_init
63 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
64 (current_function_returns_struct, current_function_returns_pcc_struct,
65 current_function_calls_setjmp, current_function_calls_alloca,
66 current_function_accesses_prior_frames,
67 current_function_calls_eh_return, current_function_is_thunk,
68 current_function_stdarg, current_function_profile,
69 current_function_limit_stack, current_function_uses_pic_offset_table,
70 current_function_uses_const_pool, current_function_has_nonlocal_label,
71 current_function_saves_all_registers,
72 current_function_has_nonlocal_goto,
73 current_function_has_asm_statement): Remove accesor macros.
74 * ra-conflict.c (global_conflicts): Update.
75 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
76 (suitable_for_tail_call_opt_p): Update.
77 * builtins.c (expand_builtin_return_addr): Update.
78 (expand_builtin_setjmp_setup): Update.
79 (expand_builtin_nonlocal_goto): Update.
80 * final.c (final_start_function): Update.
81 (profile_function): Update.
82 (leaf_function_p): Update.
83 (only_leaf_regs_used): Update.
84 * df-scan.c (df_get_exit_block_use_set): Update.
85 * dojump.c (clear_pending_stack_adjust): Update.
86 * tree-stdarg.c (gate_optimize_stdarg): Update.
87 * gimple-low.c (lower_function_body): Update.
88 * global.c (compute_regsets): Update.
89 (global_alloc): Update.
90 * dwarf2out.c (dwarf2out_begin_prologue): Update.
91 * expr.c (expand_assignment): Update.
92 * dse.c (dse_step0): Update.
94 * c-decl.c (store_parm_decls): Update.
95 * local-alloc.c (combine_regs): Update.
96 (find_free_reg): Update.
97 * function.c (assign_parms_augmented_arg_list): Update.
98 (assign_parm_find_data_types): Update.
99 (assign_parms): Update.
100 (allocate_struct_function): Update.
101 (expand_function_start): Update.
102 (expand_function_end): Update.
103 (get_arg_pointer_save_area): Update.
104 (thread_prologue_and_epilogue_insns): Update.
105 (rest_of_match_asm_constraints): Update.
106 * stor-layout.c (variable_size): Update.
107 * gcse.c (gcse_main): Update.
108 (bypass_jumps): Update.
109 * gimplify.c (gimplify_function_tree): Update.
110 * calls.c (emit_call_1): Update.
111 (expand_call): Update.
112 * bt-load.c (compute_defs_uses_and_gen): Update.
113 * except.c (sjlj_assign_call_site_values): Update.
114 (sjlj_emit_function_enter): Update.
115 (can_throw_external): Update.
116 (set_nothrow_function_flags): Update.
117 (expand_builtin_unwind_init): Update.
118 (expand_eh_return): Update.
119 (convert_to_eh_region_ranges): Update.
120 (output_function_exception_table): Update.
121 * emit-rtl.c (gen_tmp_stack_mem): Update.
122 * cfgexpand.c (expand_used_vars): Update.
123 (tree_expand_cfg): Update.
124 * cfgcleanup.c (rest_of_handle_jump): Update.
125 * explow.c (allocate_dynamic_stack_space): Update.
126 * varasm.c (assemble_start_function): Update.
127 (force_const_mem): Update.
128 (mark_constant_pool): Update.
129 * tree-optimize.c (tree_rest_of_compilation): Update.
130 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
131 * tree-cfg.c (notice_special_calls): Update.
132 (is_ctrl_altering_stmt): Update.
133 (tree_can_make_abnormal_goto): Update.
134 (tree_purge_dead_abnormal_call_edges): Update.
135 * config/alpha/predicates.md: Update.
136 * config/alpha/alpha.c (alpha_sa_mask): Update.
137 (alpha_sa_size): Update.
138 (alpha_does_function_need_gp): Update.
139 (alpha_expand_prologue): Update.
140 (alpha_start_function): Update.
141 (alpha_output_function_end_prologue): Update.
142 (alpha_expand_epilogue): Update.
143 * config/frv/frv.c (frv_stack_info): Update.
144 (frv_expand_epilogue): Update.
145 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
146 (s390_register_info): Update.
147 (s390_frame_info): Update.
148 (s390_init_frame_layout): Update.
149 (s390_can_eliminate): Update.
151 * config/spu/spu.c (spu_split_immediate): Update.
152 (need_to_save_reg): Update.
153 (spu_expand_prologue): Update.
154 (spu_expand_epilogue): Update.
155 * config/sparc/sparc.md: Update.
156 * config/sparc/sparc.c (eligible_for_return_delay): Update.
157 (sparc_tls_got): Update.
158 (legitimize_pic_address): Update.
159 (sparc_emit_call_insn): Update.
160 (sparc_expand_prologue): Update.
161 (output_return): Update.
162 (print_operand): Update.
163 (sparc_function_ok_for_sibcall): Update.
164 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
165 * config/m32r/m32r.md: Update.
166 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
167 (m32r_compute_frame_size): Update.
168 (m32r_expand_prologue): Update.
169 (m32r_expand_epilogue): Update.
170 (m32r_legitimize_pic_address): Update.
171 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
172 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
173 * config/i386/i386.c (ix86_frame_pointer_required): Update.
175 (ix86_save_reg): Update.
176 (ix86_compute_frame_layout): Update.
177 (ix86_expand_prologue): Update.
178 (ix86_expand_epilogue): Update.
179 * config/sh/sh.c (output_stack_adjust): Update.
180 (calc_live_regs): Update.
181 (sh5_schedule_saves): Update.
182 (sh_expand_prologue): Update.
183 (sh_expand_epilogue): Update.
184 (sh_setup_incoming_varargs): Update.
185 (sh_allocate_initial_value): Update.
186 (sh_get_pr_initial_val): Update.
187 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
188 * config/sh/sh.md (label:): Update.
189 * config/avr/avr.c (out_movhi_mr_r): Update.
190 * config/crx/crx.h (enum): Update.
191 * config/xtensa/xtensa.h (along): Update.
192 * config/stormy16/stormy16.c Update.
193 (xstormy16_compute_stack_layout): Update.
194 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
195 (fr30_expand_prologue): Update.
196 * config/cris/cris.c (cris_conditional_register_usage): Update.
197 (cris_reg_saved_in_regsave_area): Update.
198 (cris_initial_frame_pointer_offset): Update.
199 (cris_simple_epilogue): Update.
200 (cris_expand_prologue): Update.
201 (cris_expand_epilogue): Update.
202 (cris_expand_pic_call_address): Update.
203 (cris_asm_output_symbol_ref): Update.
204 (cris_asm_output_label_ref): Update.
205 * config/cris/cris.md Update.
206 * config/iq2000/iq2000.c (compute_frame_size): Update.
207 (iq2000_expand_epilogue): Update.
208 * config/mt/mt.h (save_direction): Update.
209 * config/mn10300/mn10300.c (mn10300_function_value): Update.
210 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
211 (ia64_secondary_reload_class): Update.
212 * config/m68k/m68k.c (m68k_save_reg): Update.
213 (m68k_expand_prologue): Update.
214 (m68k_expand_epilogue): Update.
215 (legitimize_pic_address): Update.
216 * config/rs6000/rs6000.c (rs6000_got_register): Update.
217 (first_reg_to_save): Update.
218 (first_altivec_reg_to_save): Update.
219 (compute_vrsave_mask): Update.
220 (compute_save_world_info): Update.
221 (rs6000_stack_info): Update.
222 (spe_func_has_64bit_regs_p): Update.
223 (rs6000_ra_ever_killed): Update.
224 (rs6000_emit_eh_reg_restore): Update.
225 (rs6000_emit_allocate_stack): Update.
226 (rs6000_emit_prologue): Update.
227 (rs6000_emit_epilogue): Update.
228 (rs6000_output_function_epilogue): Update.
229 (output_profile_hook): Update.
230 (rs6000_elf_declare_function_name): Update.
231 * config/rs6000/rs6000.h (rs6000_args): Update.
232 * config/rs6000/rs6000.md: Update.
233 * config/mcore/mcore.c (mcore_expand_prolog): Update.
234 * config/arc/arc.c (arc_output_function_epilogue): Update.
235 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
236 * config/darwin.c (machopic_function_base_name): Update.
237 * config/score/score3.c (score3_compute_frame_size): Update.
240 (score3_epilogue): Update.
241 * config/score/score7.c (score7_compute_frame_size): Update.
242 (score7_prologue): Update.
243 (score7_epilogue): Update.
244 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
245 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
246 * config/arm/arm.c (use_return_insn): Update.
247 (require_pic_register): Update.
248 (arm_load_pic_register): Update.
249 (arm_compute_save_reg0_reg12_mask): Update.
250 (arm_compute_save_reg_mask): Update.
251 (thumb1_compute_save_reg_mask): Update.
252 (output_return_instruction): Update.
253 (arm_output_function_prologue): Update.
254 (arm_output_epilogue): Update.
255 (arm_get_frame_offsets): Update.
256 (arm_expand_prologue): Update.
257 (thumb_pushpop): Update.
258 (thumb_exit): Update.
259 (thumb1_expand_prologue): Update.
260 (thumb1_expand_epilogue): Update.
261 (arm_unwind_emit): Update.
262 (arm_output_fn_unwind): Update.
263 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
264 * config/arm/arm.md: Update.
265 * config/pa/pa.md: Update.
266 * config/pa/pa.c (legitimize_pic_address): Update.
267 (compute_frame_size): Update.
268 (hppa_expand_prologue): Update.
269 (hppa_expand_epilogue): Update.
270 (borx_reg_operand): Update.
271 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
272 (HARD_REGNO_RENAME_OK): Update.
273 * config/mips/mips.c (mips_global_pointer): Update.
274 (mips_save_reg_p): Update.
275 (mips_compute_frame_info): Update.
276 (mips_frame_pointer_required): Update.
277 (mips_expand_prologue): Update.
278 (mips_expand_epilogue): Update.
279 (mips_can_use_return_insn): Update.
280 (mips_reorg_process_insns): Update.
281 * config/v850/v850.c (compute_register_save_size): Update.
282 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
283 * config/mmix/mmix.c (along): Update.
284 (mmix_expand_epilogue): Update.
285 * config/bfin/bfin.c (legitimize_pic_address): Update.
286 (must_save_p): Update.
287 (stack_frame_needed_p): Update.
288 (add_to_reg): Update.
289 (bfin_expand_prologue): Update.
290 * stmt.c (expand_asm_operands): Update.
291 * reload1.c (reload): Update.
292 (init_elim_table): Update.
294 2008-04-25 Bob Wilson <bob.wilson@acm.org>
296 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
298 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
300 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with
302 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
303 (mov<mode>): Removed.
304 (*movv4sf_internal): Likewise.
305 (*movv2df_internal): Likewise.
307 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
309 * config.gcc (crx-*-elf): Remove deprecation.
311 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
313 * config/i386/cygming-crtend.c (register_frame_ctor): Register
314 __gcc_deregister_frame with atexit.
315 (deregister_frame_dtor): Remove.
317 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
318 Nathan Sidwell <nathan@codesourcery.com>
320 * config/rs6000/rs6000.opt (mspe): Remove Var property.
322 * config/rs6000/rs6000.h (rs6000_spe): Declare.
323 (rs6000_isel): Likewise.
324 * config/rs6000/rs6000.c (rs6000_spe): New variable.
325 (rs6000_isel): New variable.
326 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
328 2008-04-24 Jakub Jelinek <jakub@redhat.com>
331 * c-common.c (handle_vector_size_attribute): Call
332 lang_hooks.types.reconstruct_complex_type instead of
333 reconstruct_complex_type.
334 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
335 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
336 * langhooks.h (struct lang_hooks_for_types): Add
337 reconstruct_complex_type hook.
338 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
339 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
341 2008-04-24 Richard Guenther <rguenther@suse.de>
343 * c-common.h (check_builtin_function_arguments): Declare.
344 * c-common.c (validate_nargs): New function.
345 (check_builtin_function_arguments): Likewise.
346 * c-typeck.c (build_function_call): Call
347 check_builtin_function_arguments.
348 * builtins.c (fold_builtin_classify): Remove error reporting code.
349 (fold_builtin_unordered_cmp): Likewise.
350 (fold_builtin_1): Likewise.
351 (fold_builtin_n): Likewise.
353 2008-04-24 Jakub Jelinek <jakub@redhat.com>
355 PR tree-optimization/36008
356 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
357 the original op1, rather than delta by step.
359 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
360 Sebastian Pop <sebastian.pop@amd.com>
362 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
363 eliminate_local_variables_stmt, eliminate_local_variables,
364 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
365 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
366 of code delimited by two edges in the CFG.
367 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
368 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
369 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
370 the case of parallelisation of reductions.
371 (expr_invariant_in_region_p): New.
373 * tree-flow.h (gather_blocks_in_sese_region): Declared.
374 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
376 2008-04-24 Ira Rosen <irar@il.ibm.com>
377 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/36034
380 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
381 incapable of dealing with loads with gaps.
383 2008-04-24 Rafael Espindola <espindola@google.com>
385 * tree-flow.h (vrp_evaluate_conditional): Change signature.
386 * tree-ssa-propagate.c (fold_predicate_in): Update call to
387 vrp_evaluate_conditional.
388 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
389 (vrp_evaluate_conditional): Split the cond argument.
390 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
391 (simplify_stmt_for_jump_threading): Update call to
392 vrp_evaluate_conditional.
394 2008-04-24 Ira Rosen <irar@il.ibm.com>
396 PR tree-optimization/35982
397 * tree-vect-analyze.c (vect_check_interleaving): Check that the
398 interleaved data-refs are of the same type.
400 2008-04-24 Danny Smith <dannysmith@users.net>
402 * c-format.c (check_format_info_main): Use strncmp rather than a
403 magic prefix to handle multichar length specs.
404 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
405 Don't prefix "I64" and "I32" with '\0'.
407 2008-04-24 Jakub Jelinek <jakub@redhat.com>
410 * config/i386/i386.c (init_cumulative_args): Don't pass anything
411 in registers for -m32 only if stdarg_p (fntype).
413 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
415 PR rtl-optimization/36006
416 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
417 temp to op0 in order to avoid invalid rtx sharing.
419 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
421 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
422 check TREE_INVARIANT.
423 * tree-gimple.c (is_gimple_address): New.
424 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
425 * tree-gimple.h (is_gimple_address): New.
426 * tree.h (decl_address_invariant_p): New.
427 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
428 (build_string): Likewise.
429 (decl_address_invariant_p): New, from is_gimple_invariant_address.
430 (tree_invariant_p_1): Likewise.
432 (tree_invariant_p): New.
433 (skip_simple_arithmetic): Use it.
434 (stabilize_reference_1): Use it.
435 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
437 (build1_stat): Drop code to compute TREE_INVARIANT.
438 (build2_stat): Drop code to compute TREE_INVARIANT.
439 (build3_stat): Drop code to compute TREE_INVARIANT.
440 (build4_stat): Drop code to compute TREE_INVARIANT.
441 (build5_stat): Drop code to compute TREE_INVARIANT.
442 (build7_stat): Drop code to compute TREE_INVARIANT.
443 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
444 * tree.h (struct tree_base): Remove invariant_flag.
445 (TREE_INVARIANT): Remove.
446 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
447 (fold_builtin_expect): Check TREE_CONSTANT.
448 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
449 * c-tree.h (c_expr_to_decl): Drop third parameter.
450 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
451 (build_c_cast): Don't set TREE_INVARIANT.
452 (pop_init_level): Don't set TREE_INVARIANT.
453 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
454 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
456 (gimplify_init_constructor): Don't set TREE_INVARIANT.
457 (gimplify_addr_expr): Adjust comment.
458 * tree-mudflap.c (mf_build_string):
459 * print-tree.c (print_node): Don't print TREE_INVARIANT.
460 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
461 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
462 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
463 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
464 * langhooks.h (struct lang_hooks): Drop third parameter from
467 2008-04-23 Richard Guenther <rguenther@suse.de>
469 PR tree-optimization/27799
470 PR tree-optimization/32921
471 PR tree-optimization/32624
472 * tree-ssa-structalias.c (merge_smts_into): Only merge the
473 SMTs aliases and the tag itself into the solution.
474 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
475 merge the points-to solution back into the SMT aliases.
476 (may_alias_p): Use alias_set_subset_of instead of
477 aliases_conflict_p. A pointer which points to
478 memory with alias set zero may access any variable.
480 2008-04-23 Richard Guenther <rguenther@suse.de>
482 * alias.c (alias_set_subset_of): Correctly handle asking
483 if zero is a subset of an alias set with zero child.
484 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
485 (compute_flow_insensitive_aliasing): Correctly walk all
486 pointers. Do not unnecessarily union sets.
488 2008-04-23 Richard Guenther <rguenther@suse.de>
491 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
493 2008-04-22 Tomas Bily <tbily@suse.cz>
495 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
497 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
499 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
500 * tree-ssa-structalias.c (get_constraint_for): Likewise.
501 * tree-inline.c (estimate_num_insns_1): Likewise.
502 * varasm.c (const_hash_1, compare_constant, copy_constant)
503 (compute_reloc_for_constant, output_addressed_constants): Likewise.
504 * emit-rtl.c (component_ref_for_mem_expr)
505 (set_mem_attributes_minus_bitpos): Likewise.
506 * expr.c (highest_pow2_factor, expand_expr_real_1, )
507 (is_aligning_offset): Likewise.
508 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
509 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
510 * dojump.c (do_jump): Likewise.
511 * builtins.c (get_pointer_alignment, get_memory_rtx)
512 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
513 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
515 2008-04-23 Jakub Jelinek <jakub@redhat.com>
517 PR rtl-optimization/36017
518 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
519 expanding the library call.
521 2008-04-22 Ian Lance Taylor <iant@google.com>
523 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
526 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
528 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
529 of LR/CTR moves for Power6.
531 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
534 * passes.c (init_optimization_passes): Remove
535 pass_fast_rtl_byte_dce.
537 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
540 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
541 builtin functions to generate faster code.
542 (_mm_cvtpu16_ps): Ditto.
543 (_mm_cvtpi32x2_ps): Ditto.
545 2008-04-22 Nick Clifton <nickc@redhat.com>
547 * common.opt (ftree-loop-distribution): Add Optimization
550 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
551 (frv_expand_builtin_va_start): Likewise.
553 * config/arm/arm.c (thumb_find_work_register): Fix location of
554 argument register count.
556 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
558 Support scheduling for ColdFire V1 and V3 microarchitecture.
559 Improve scheduling of multiplication instructions.
561 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
562 (mac): New instruction attribute.
563 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
564 (m68k_sched_mac): New variable.
565 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
566 Handle cfv1 and cfv3.
567 (max_insn_size): New static variable.
568 (struct _sched_ib): New type.
569 (sched_ib): New static variable.
570 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
571 to fields of 'struct _sched_ib sched_ib'. Update all uses.
572 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
574 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
575 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
576 new variables. Update.
577 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
578 Add modeling of cfv3 instruction buffer. Update.
579 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
580 * config/m68k/m68k.h (TUNE_CFV3): New macro.
581 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
582 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
583 a particular reservation applies to.
584 (type2): Reorganize attribute values. Rename alu to alu_reg,
585 alu_l to alu, move_l to omove. Join move to alu. Split mul
587 (cf_ib_*): Simplify description of instruction buffer.
588 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
589 (cf_mem): Split into cf_mem1 and cf_mem2.
590 (cf_v2_move_??): Rename to cfv12_alu_??.
591 (cf_v2_move_l_??): Rename to cfv12_omove_??.
592 (cf_v2_mul_??): Remove reservations.
593 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
594 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
595 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
597 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
598 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
599 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
600 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
601 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
602 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
603 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
604 expansions of the above reservations for instructions of sizes
607 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
609 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
611 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
613 * coverage.c: Include tree-pass.h.
614 (coverage_counter_alloc): Print da_file_name to the dump file.
616 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
618 * sbitmap.c (sbitmap_range_empty_p): New function.
619 * sbitmap.h (sbitmap_range_empty_p): New function.
620 * bitmap.h: Now includes obstack.h.
622 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
623 Kenneth Zadeck <zadeck@naturalbridge.com>
625 * dbgcnt.def (ra_byte_scan): Added.
626 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
627 when the last hit happens for a counter.
628 * timevar.def (TV_DF_BYTE_LR): New variable.
629 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
630 * passes.c (pass_fast_rtl_byte_dce): New pass.
631 * fwprop.c (update_df): Added mode to call df_ref_create.
632 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
633 DF_REF_EXTRACT_OFFSET.
634 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
635 DF_BYTE_LR_OUT, df_byte_lr): New macro.
637 (df_ref_extract): Added mode field.
638 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
639 DF_REF_EXTRACT_OFFSET.
640 (DF_REF_EXTRACT_MODE): New macro.
641 (df_byte_lr_bb_info): New structure.
642 (df_print_byte_regset, df_compute_accessed_bytes,
643 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
644 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
645 df_byte_lr_simulate_uses,
646 df_byte_lr_simulate_artificial_refs_at_top,
647 df_byte_lr_simulate_artificial_refs_at_end,
648 df_compute_accessed_bytes): New function.
649 (df_ref_create): Add parameter.
650 (df_byte_lr_get_bb_info): New inline function.
651 * df-scan.c (df_ref_record, df_uses_record,
652 df_ref_create_structure): Added mode parameter.
653 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
654 df_defs_record, df_uses_record, df_get_conditional_uses,
655 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
656 df_entry_block_defs_collect, df_exit_block_uses_collect):
657 Added mode parameter to calls to df_ref_record, df_uses_record,
658 df_ref_create_structure.
659 (df_ref_equal_p, df_ref_compare): Added test for modes.
660 (df_ref_create_structure): Added code to set mode. Renamed
661 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
662 DF_REF_EXTRACT_OFFSET.
663 * df-core.c (df_print_byte_regset): New function.
664 * df-byte-scan.c: New file.
665 * df-problems.c (df_rd_transfer_function): Removed unnecessary
666 calls to BITMAP_FREE.
667 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
668 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
669 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
670 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
671 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
672 df_byte_lr_local_compute, df_byte_lr_init,
673 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
674 df_byte_lr_transfer_function, df_byte_lr_free,
675 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
676 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
677 df_byte_lr_simulate_uses,
678 df_byte_lr_simulate_artificial_refs_at_top,
679 df_byte_lr_simulate_artificial_refs_at_end): New function.
680 * dce.c (byte_dce_process_block): New function.
681 (dce_process_block): au is now passed in rather than computed
682 locally. Changed loops that look at artificial defs to not look
683 for conditional or partial ones, because there never are any.
684 (fast_dce): Now is able to drive byte_dce_process_block or
685 dce_process_block depending on the kind of dce being done.
686 (rest_of_handle_fast_dce): Add parameter to fast_dce.
687 (rest_of_handle_fast_byte_dce): New function.
688 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
689 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
691 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
694 * gcc.h: Added fortran options that take arguments to
695 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
698 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
700 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
701 scalarization if on the LHS and not a full access.
703 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
705 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
707 2008-04-18 Rafael Espindola <espindola@google.com>
709 * tree-vrp.c (find_case_label_index): Fix the binary search.
710 (find_case_label_range): New.
711 (vrp_visit_switch_stmt): Use find_case_label_range.
712 (simplify_switch_using_ranges): Use find_case_label_range.
714 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
716 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
717 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
719 2008-04-18 Tom Tromey <tromey@redhat.com>
722 * doc/cpp.texi (Implementation-defined behavior): Mention
725 2008-04-18 Ian Lance Taylor <iant@google.com>
727 * fold-const.c (pointer_may_wrap_p): New static function.
728 (fold_comparison): Add another test for pointer overflow. Use
729 pointer_may_wrap_p to disable some false positives.
731 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
733 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
734 (fname_as_string): Match updated cpp_interpret_string prototype.
735 (fix_string_type): Support char16_t* and char32_t*.
736 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
737 derivative) nodes. Register as builtin if C++0x.
738 (c_parse_error): Support CPP_CHAR{16,32}.
739 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
740 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
741 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
742 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
743 CTI_CHAR32_ARRAY_TYPE>: New elements.
744 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
745 char32_type_node, signed_char32_type_node, char16_array_type_node,
746 char32_array_type_node): New defines.
747 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
748 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
749 (lex_string): Support CPP_STRING{16,32}, match updated
750 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
751 (lex_charconst): Support CPP_CHAR{16,32}.
752 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
753 and CPP_STRING{16,32}.
755 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
758 * aclocal.m4: Regenerate.
759 * configure: Regenerate.
761 2008-04-18 Jan Hubicka <jh@suse.cz>
763 * except.c (dw2_size_of_call_site_table,
764 sjlj_size_of_call_site_table): Use vector API for call_site_record.
766 * cgraphbuild.c (build_cgraph_edges): Update.
767 * tree-pass.h: Update comment.
768 * final.c (leaf_function_p): Update.
769 (leaf_renumber_regs): Update.
770 (rest_of_clean_state): Update.
771 * omp-low.c (expand_omp_parallel): Update.
772 * ipa-reference.c (analyze_function): Update.
773 * reorg.c (find_end_label): Update.
774 (optimize_skip): Update.
775 (fill_simple_delay_slots): Update.
776 (fill_simple_delay_slots): Update.
777 (make_return_insns): Update.
778 (dbr_schedule): Update.
779 * gimple-low.c (record_vars_into): Update.
780 * cfgbuild.c (make_edges): Update.
781 * function.c (assign_stack_local): Update.
782 (assign_parm_adjust_stack_rtl): Update.
783 (locate_and_pad_parm): Update.
784 (allocate_struct_function): Do not initialize stack_alignment_needed
785 and preferred_stack_boundary here.
786 (stack_protect_prologue): Update.
787 (stack_protect_epilogue): Update.
788 (expand_function_start): Initialize stack_alignment_needed,
789 preferred_stack_boundary and max_jumptable_ents.
790 (expand_function_end): Update.
791 (free_after_compilation): Do not NULLify epilogue_delay_list.
792 * function.h (struct rtl_data): Add stack_protect_guard,
793 stack_alignment_needed,
794 preferred_stack_boundary, epilogue_delay_list.
795 (struct function): Remove value_histograms, stack_alignment_needed,
796 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
798 unexpanded_var_list, stack_protect_guard.
799 (current_function_epilogue_delay_list): Remove.
800 * ipa-type-escape.c (analyze_function): Update.
801 * gimplify.c (pop_gimplify_context): Update comment.
802 * calls.c (expand_call): Update.
803 (emit_library_call_value_1): Update.
804 * except.c (set_nothrow_function_flags): Update.
805 * cfgexpand.c (get_decl_align_unit): Update.
806 (create_stack_guard): Update.
807 (estimated_stack_frame_size): Update.
808 (expand_used_vars): Update.
809 (tree_expand_cfg): Free histogram earliers, init expansion variables.
810 * explow.c (allocate_dynamic_stack_space): Update.
811 * tree-ssa-live.c (remove_unused_locals): Update.
812 * varasm.c (mark_constant_pool): Update.
813 * tree-inline.c (remap_decls): Update.
814 (initialize_cfun): Update.
815 (declare_return_variable): Update.
816 (inline_forbidden_p): Update.
817 (expand_call_inline): Update.
818 (declare_inline_vars): Update.
819 (tree_function_versioning): Update.
820 * tree-flow.h (value_histograms): New.
821 (VALUE_HISTOGRAMS): New macro.
822 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
824 * tree-cfg.c (set_bb_for_stmt): Update.
825 (replace_by_duplicate_decl): Update.
826 (move_block_to_fn): Update.
827 (new_label_mapper): Update.
828 (dump_function_to_file): Update.
829 * ipa-struct-reorg.c (build_data_structure): Update.
830 * cfgrtl.c (print_rtl_with_bb): Update.
831 * reload1.c (reload): Update.
833 * config/i386/i386.c (setup_incoming_varargs_64,
834 ix86_compute_frame_layout): Update.
835 * config/arc/arc.c (arc_output_function_epilogue): Update.
837 2008-04-18 Marius Strobl <marius@FreeBSD.org>
839 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
841 * gthr-posix95.h: Likewise.
843 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
845 PR rtl-optimization/35838
846 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
847 out the byte offset of the first subreg.
849 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
851 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
852 to split_ti instead of three separate calls with single member arrays.
853 (subti3 splitter): Ditto.
854 (adddi3 splitter): Ditto with split_di.
855 (subdi3 splitter): Ditto.
856 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
857 two separate calls with single member arrays. Swap match_dup
858 operands 1 and 2 to better fit into the array.
859 (negdi2 splitter): Ditto with split_di.
860 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
861 two separate calls with single member arrays. Swap match_dup operands
862 6 and 7 to better fit into the array.
864 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
866 * config/i386/i386.c (sse_builtin_type): New.
867 (bdesc_sse_args): Likewise.
868 (bdesc_sse_3arg): Removed.
869 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
870 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
871 IX86_BUILTIN_ROUNDPS.
872 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
873 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
874 IX86_BUILTIN_ROUNDPS.
875 (ix86_expand_sse_4_operands_builtin): Removed.
876 (ix86_expand_sse_operands_builtin): New.
877 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
878 and CODE_FOR_sse4_1_roundps.
879 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
880 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
882 2008-04-17 Alan Modra <amodra@bigpond.net.au>
885 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
886 regs before frame pop when needed. If use_backchain_to_restore_sp
887 then load backchain into a temp reg to restore vr and vrsave. Add
888 code to restore vr after frame pop if possible.
890 2008-04-17 Richard Guenther <rguenther@suse.de>
892 * tree-vn.c (expressions_equal_p): Do not check type
893 equality or compatibility before calling operand_equal_p.
894 * fold-const.c (operand_equal_p): Check equivalence of
895 integer constants before bailing out due to signedness or
896 precision differences.
897 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
898 spurious differences in type qualification. Ignore types
899 for COMPONENT_REFs at all.
901 2008-04-17 Christian Bruel <christian.bruel@st.com>
903 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
906 2008-04-16 Jakub Jelinek <jakub@redhat.com>
909 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
912 PR tree-optimization/35899
913 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
914 rather than TREE_OPERAND.
916 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
919 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
920 temporary registers. Change operand predicate to general_operand.
921 (remainderxf3): Ditto.
923 2008-04-16 Richard Guenther <rguenther@suse.de>
925 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
926 * tree-affine.c (aff_combination_expand): Look through some
929 2008-04-15 Doug Kwan <dougkwan@google.com>
931 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
933 * tree-pretty-print.c (dump_generic_node): Ditto.
934 * final.c (output_addr_const): Ditto.
935 * dwarf2out.c (output_cfi): Ditto.
936 * c-pretty-print.c (pp_c_integer_constant): Ditto.
937 * print-rtl.c (print_rtx): Ditto.
938 * print-tree.c (print_node_brief, print_node): Ditto.
939 * c-common.c (match_case_to_enum_1): Ditto.
940 * sched-vis.c (print_value): Ditto.
941 * config/i386/i386.c (print_operand): Cast to long unsigned int
944 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
945 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
946 MS Windows VirtualProtect function.
948 2008-04-15 Jan Hubicka <jh@suse.cz>
950 * gengtype.c (write_root): Param_is argument is OK.
951 * expr.c (expand_expr_real_1): Update call of get_exception_*.
952 * function.h: Include varray.h
953 (rtl_eh): New stucture based on except.c one.
954 (call_site_record): New forward declaration and vector type.
955 * calls.c (emit_call_1): Do not call
956 note_current_region_may_contain_throw.
957 * except.c (eh_status): Remove cur_region, try_region since they are
959 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
960 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
961 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
962 Remove call_site_data_used, call_site_data_size.
963 Turn call_site_record into vector in function.h.
964 (note_current_region_may_contain_throw): Remove.
965 (get_exception_pointer, get_exception_filter): Do not take struct
966 function argument; update.
967 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
968 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
969 build_post_landing_pads, dw2_build_landing_pads,
970 sjlj_assign_call_site_values, sjlj_mark_call_sites,
971 sjlj_emit_function_enter, sjlj_emit_function_enter,
972 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
973 sjlj_build_landing_pads, finish_eh_generation,
974 remove_exception_handler_label, remove_eh_handler,
975 maybe_remove_eh_handler, add_reachable_handler,
976 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
977 add_action_record, collect_one_action_chain, add_call_site,
978 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
979 sjlj_output_call_site_table, output_function_exception_table,
980 * except.h (note_current_region_may_contain_throw): Remove
981 (get_exception_pointer, get_exception_filter): Do not take struct
983 * Makefile.in (GTFILES): Put varargs before struct function.
985 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
987 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
989 (get_constraint_for): Deal with STRING_CST here instead.
991 2008-04-15 Richard Guenther <rguenther@suse.de>
993 * tree-ssa-propagate.c (substitute_and_fold): Substitute
994 statements in a basic-block with a backward walk. Do not
995 substitute into dead statements but instead remove those.
997 2008-04-15 Richard Guenther <rguenther@suse.de>
999 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1000 to zero, thus disable creation of SFTs.
1002 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1004 * tree-predcom.c (suitable_reference_p): Return false if the
1005 reference can throw.
1007 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1010 * c-decl.c (finish_decl): If extern or static var has variable
1011 size, set TREE_TYPE (decl) to error_mark_node.
1013 2008-04-15 Rafael Espindola <espindola@google.com>
1015 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1018 2008-04-15 Richard Guenther <rguenther@suse.de>
1020 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1021 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1022 (visit_reference_op_load): Do walk vuse-vdef chains on
1023 vn_reference_lookup.
1024 (visit_reference_op_store): But do not here.
1025 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1026 vn_reference_lookup.
1027 (vn_lookup_with_vuses): But do so here.
1029 2008-04-14 Ian Lance Taylor <iant@google.com>
1031 * fold-const.c (fold_overflow_warning): Remove assertion.
1033 2008-04-15 Ben Elliston <bje@au.ibm.com>
1035 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1036 temp1 local variables.
1038 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1041 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1042 ".text.unlikely" section as executable.
1044 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1046 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1047 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1048 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1049 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1050 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1051 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1052 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1054 2008-04-14 Ian Lance Taylor <iant@google.com>
1056 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1057 * fold-const.c (fold_comparison): If appropriate, test
1058 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1059 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1060 reassociating a pointer type.
1061 * doc/invoke.texi (Optimize Options): Document that
1062 -fstrict-overflow applies to pointer wraparound.
1064 2008-04-13 Jan Hubicka <jh@suse.cz>
1066 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1068 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1070 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1071 we are going to "save the world".
1073 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1075 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1076 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1077 operand 0 constraint, not "=".
1079 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1081 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1083 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1085 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1086 of size of positions_needed * CHAR_BIT.
1088 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1091 * dse.c (store_info): Change positions_needed to unsigned
1093 (lowpart_bitmask): New.
1094 (record_store): Cast to unsigned HOST_WIDE_INT for
1095 positions_needed. Assert width <= size of positions_needed *
1096 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1097 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1098 lowpart_bitmask to set mask.
1100 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1102 * config/bfin/constraints.md: New file.
1103 * config/bfin/bfin.md: Include it.
1104 (adddi3): Use satisfies_constraint functions instead of the old macros.
1105 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1106 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1107 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1108 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1109 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1110 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1111 EXTRA_CONSTRAINT): Delete.
1112 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1113 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1115 * config/bfin/bfin.c: Include "tm-constrs.h".
1116 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1117 Use satisfies_constraint functions instead of the old macros.
1118 * doc/md.texi (Blackfin Constraints): Update file name reference.
1120 2008-04-11 Richard Guenther <rguenther@suse.de>
1122 PR tree-optimization/35869
1123 * tree-vrp.c (execute_vrp): Move switch statement update after
1124 jump threading. Schedule another cfg cleanup run.
1126 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1129 * attribs.c (decl_attributes): Return early on errorneous node.
1131 2008-04-10 Oleg Ryjkov <olegr@google.com>
1133 * tree.h (struct tree_base): Added a new flag default_def_flag.
1134 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1136 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1138 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1140 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1143 * pa.md: Define mode iterator P. Define mode attribute dwc.
1144 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1145 (icacheflush): Likewise.
1146 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1147 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1149 2008-04-11 Ben Elliston <bje@au.ibm.com>
1151 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1153 2008-04-10 Rafael Espindola <espindola@google.com>
1155 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1156 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1157 (extract_range_from_expr): The same.
1159 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1161 * config/mips/mips.md (GPR2): New mode iterator.
1163 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1164 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1165 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1166 Rewrite these to take two modes, the mode of comparison and the
1167 mode of the destination.
1168 * config/mips/mips.c (mips_expand_scc): Instead of having
1169 paradoxical subreg as destination, expand "narrowing" scc if mode
1170 of comparison is SI and target is requested in DI mode.
1171 (mips_emit_int_order_test): Update comment. Make mode of
1172 comparison match CMP0 rather than TARGET. When creating inverse
1173 target use mode of TARGET.
1175 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1177 * gcov-dump.c (tag_summary): Only print summaries for the first
1178 GCOV_COUNTERS_SUMMABLE counters.
1180 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1182 * config/i386/i386.md (absneg): New code iterator.
1183 (absnegprefix): New code attribute.
1184 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1185 patterns using absneg code iterator.
1186 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1187 using absneg code iterator.
1188 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1189 *neg<mode>2 patterns using absneg code iterator.
1190 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1191 *negextendsfdf2 patterns using absneg code iterator.
1192 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1193 *negextendsfxf2 patterns using absneg code iterator.
1194 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1195 *negextendsfdf2 patterns using absneg code iterator.
1196 * config/i386/sse.md (<code><mode>2): Macroize expander from
1197 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1199 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1201 * config/s390/s390.h: Remove the remains of the recent search
1202 & replace action of current_function_outgoing_args_size.
1204 2008-04-10 Ira Rosen <irar@il.ibm.com>
1206 PR tree-optimization/35821
1207 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1208 NEW_STMT_LIST is not NULL.
1210 2008-04-09 David Edelsohn <edelsohn@gnu.org>
1213 * toplev.c (process_options): Remove -ffunction-sections debugging
1216 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
1218 PR middle-end/PR28690
1219 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1220 than gen_rtx_fmt_ee to perform more canonicalizations.
1222 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1225 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1227 2008-04-09 Richard Guenther <rguenther@suse.de>
1229 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1230 (dump_function_to_file): Dump function arguments with types.
1232 2008-04-08 Richard Guenther <rguenther@suse.de>
1234 * fold-const.c (fold_widened_comparison): Do not allow
1235 sign-changes that change the result.
1237 2008-04-08 Janis Johnson <janis187@us.ibm.com>
1240 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1241 kinds of indirect references.
1243 2008-04-08 David Edelsohn <edelsohn@gnu.org>
1245 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1246 GNU Fortran language string.
1248 2008-04-08 Rafael Espindola <espindola@google.com>
1250 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1251 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1252 * tree.h (tree_call_nonnegative_warnv_p): New.
1254 2008-04-08 Jan Hubicka <jh@suse.cz>
1256 * function.c (free_after_compilation): Clear out regno_reg_rtx
1259 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
1262 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1264 PR middle-end/PR28690
1265 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
1266 same precedence as REG_POINTER and MEM_POINTER operands.
1268 2008-04-08 Richard Guenther <rguenther@suse.de>
1271 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
1272 for adding index to base.
1274 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
1276 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
1277 (MINGW_ENABLE_EXECUTE_STACK): New.
1278 (IN_LIBGCC2): For libgcc include windows.h file for
1279 function declarations.
1281 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
1283 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
1284 and tem2 if tem1 is not a REG or MULT.
1286 2008-04-08 Jan Hubicka <jh@suse.cz>
1288 * function.h (incomming_args): Break out of struct function.
1289 (function_subsections): Break out of struct function.
1290 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
1291 return_rtx and hard_reg_initial_vals from struct function.
1292 Kill inl_max_label_num.
1293 (current_function_pops_args, current_function_args_info,
1294 current_function_args_size, current_function_args_size,
1295 current_function_pretend_args_size,
1296 current_function_outgoing_args_size,
1297 current_function_internal_arg_pointer, current_function_return_rtx):
1298 Kill compatibility accestor macros.
1299 * builtins.c (expand_builtin_apply_args_1): Update.
1300 (expand_builtin_next_arg): Update.
1301 * df-scan.c (df_get_call_refs): Update.
1302 * dbxout.c (dbxout_function_end): Update.
1303 * dwarf2out.c (dwarf2out_switch_text_section): Update.
1304 (output_line_info): Update.
1305 (secname_for_decl): Update.
1306 (dwarf2out_var_location): Update.
1307 * function.c (free_after_compilation): Update.
1308 (assign_parm_find_stack_rtl): Update.
1309 (assign_parms): Update.
1310 (expand_dummy_function_end): Update.
1311 (expand_function_end): Update.
1312 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
1313 (expand_call): Update.
1314 (emit_library_call_value_1): Update.
1315 (store_one_arg): Update.
1316 * varasm.c (initialize_cold_section_name): Update.
1317 (unlikely_text_section): Update.
1318 (unlikely_text_section_p): Update.
1319 (assemble_start_function): Update.
1320 (assemble_end_function): Update.
1321 (default_section_type_flags): Update.
1322 (switch_to_section): Update.
1323 * integrate.c (set_decl_abstract_flags): Update.
1324 (get_hard_reg_initial_val): Update.
1325 (has_hard_reg_initial_val): Update.
1326 (allocate_initial_values): Update.
1327 * resource.c (init_resource_info): Update.
1328 * config/alpha/alpha.c (NUM_ARGS): Update.
1329 (direct_return): Update.
1330 (alpha_va_start): Update.
1331 (alpha_sa_size): Update.
1332 (alpha_initial_elimination_offset): Update.
1333 (alpha_expand_prologue): Update.
1334 (alpha_start_function): Update.
1335 (alpha_expand_epilogue): Update.
1336 (unicosmk_initial_elimination_offset):
1337 * config/alpha/alpha.md (call expander): Update.
1338 * config/s390/s390.c (s390_register_info): Update.
1339 (s390_register_info): Update.
1340 (s390_frame_info): Update.
1341 (s390_initial_elimination_offset): Update.
1342 (s390_build_builtin_va_list): Update.
1343 (s390_va_start): Update.
1344 * config/spu/spu.c (direct_return): Update.
1345 (spu_expand_prologue): Update.
1346 (spu_initial_elimination_offset): Update.
1347 (spu_build_builtin_va_list): Update.
1348 (spu_va_start): Update.
1349 * config/sparc/sparc.c (sparc_init_modes): Update.
1350 (sparc_compute_frame_size): Update.
1351 (function_value): Update.
1352 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
1353 * config/i386/i386.md (return expander): Update.
1354 * config/i386/i386.c (ix86_va_start): Update.
1355 (ix86_can_use_return_insn_p): Update.
1356 (ix86_compute_frame_layout): Update.
1357 (ix86_expand_epilogue): Update.
1358 * config/sh/sh.c (output_stack_adjust): Update.
1359 (calc_live_regs): Update.
1360 (sh_expand_prologue): Update.
1361 (sh_builtin_saveregs): Update.
1362 (sh_va_start): Update.
1363 (initial_elimination_offset): Update.
1364 (sh_allocate_initial_value): Update.
1365 (sh_function_ok_for_sibcall): Update.
1366 (sh_get_pr_initial_val): Update.
1367 * config/sh/sh.md (return expander): Update.
1368 * config/avr/avr.c (frame_pointer_required_p): UPdate.
1369 * config/crx/crx.c (crx_compute_frame): UPdate.
1370 (crx_initial_elimination_offset): UPdate.
1371 * config/xtensa/xtensa.c (compute_frame_size): Update
1372 (xtensa_builtin_saveregs): Update.
1373 (xtensa_va_start): Update.
1374 (order_regs_for_local_alloc): Update.
1375 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
1376 (xstormy16_expand_builtin_va_start): Update.
1377 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
1378 * config/m68hc11/m68hc11.md (return expanders): Update.
1379 * config/m68hc11/m68hc11.c (expand_prologue): Update.
1380 (expand_epilogue): Update.
1381 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
1382 (cris_simple_epilogue): Update.
1383 (cris_expand_prologue): Update.
1384 (cris_expand_epilogue): Update.
1385 * config/iq2000/iq2000.c (iq2000_va_start): Update.
1386 (compute_frame_size): Update.
1387 * config/mt/mt.c (mt_compute_frame_size): Update.
1388 * config/mn10300/mn10300.c (expand_prologue): Update.
1389 (expand_epilogue): Update.
1390 (initial_offset): Update.
1391 (mn10300_builtin_saveregs):
1392 * config/mn10300/mn10300.md (return expander): Update.
1393 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1394 (ia64_initial_elimination_offset): Update.
1395 (ia64_initial_elimination_offset): Update.
1396 (ia64_expand_prologue): Update.
1397 * config/m68k/m68k.md (return expander): Update.
1398 * config/rs6000/rs6000.c (rs6000_va_start): Update.
1399 (rs6000_stack_info): Update.
1400 * config/mcore/mcore.c (layout_mcore_frame): Update.
1401 (mcore_expand_prolog): Update.
1402 * config/arc/arc.c (arc_compute_frame_size): Update.
1403 * config/score/score3.c (score3_compute_frame_size): Update.
1404 * config/score/score7.c (score7_compute_frame_size): Update.
1405 * config/arm/arm.c (use_return_insn): Update.
1406 (thumb_find_work_register): Update.
1407 (arm_compute_save_reg_mask): Update.
1408 (arm_output_function_prologue): Update.
1409 (arm_output_epilogue): Update.
1410 (arm_size_return_regs): Update.
1411 (arm_get_frame_offsets): Update.
1412 (arm_expand_prologue): Update.
1413 (thumb_exit): Update.
1414 (thumb_unexpanded_epilogue): Update.
1415 (thumb1_output_function_prologue): Update.
1416 * config/pa/pa.md (return expander): Update.
1417 * config/pa/pa.c (compute_frame_size): Update.
1418 (hppa_builtin_saveregs): Update.
1419 * config/mips/mips.c (mips_va_start): Update.
1420 (mips16_build_function_stub): Update.
1421 (mips_compute_frame_info): Update.
1422 (mips_restore_gp): Update.
1423 (mips_output_function_prologue): Update.
1424 (mips_expand_prologue): Update.
1425 * config/v850/v850.c (compute_frame_size): Update.
1426 (expand_prologue): * config/mmix/mmix.c (along): update.
1427 (mmix_initial_elimination_offset): update.
1428 (mmix_reorg): update.
1429 (mmix_use_simple_return): update.
1430 (mmix_expand_prologue): update.
1431 (mmix_expand_epilogue): Update.
1432 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
1433 (emit_link_insn): Update.
1435 2008-04-08 Anatoly Sokolov <aesok@post.ru>
1437 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
1438 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
1440 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
1443 2008-04-07 Jan Hubicka <jh@suse.cz>
1445 * function.h (rtl): Rename to x_rtl.
1447 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1448 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1449 used_temp_slots avail_temp_slots, temp_slot_level,
1450 nonlocal_goto_handler_labels): Update accesstors.
1451 (rtl): New global variable.
1452 (struct function): Move some fileds to rtl_data.
1453 (get_arg_pointer_save_area): Update prototype.
1454 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1455 get_arg_pointer_save_area.
1456 * expr.c (init_expr): Update
1457 * function.c (get_frame_size): Update
1458 (assign_stack_local): Update
1459 (expand_function_end): Update.
1460 (get_art_pointer_save_area): Update
1462 * emit-rtl.c (rtl): Declare.
1463 (regno_reg_rtx): Declare.
1464 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1466 (gen_reg_rtx): Update.
1467 * varasm.c (n_deferred_constatns): Update accestor.
1468 (init_varasm_status): Do not allocate varasm_status.
1469 (force_const_mem, get_pool_size, output_constant_pool): Update.
1470 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1471 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1472 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
1473 * sparc/sparc.h (INIT_EXPANDERS): Update.
1474 * ia64/ia64.h (INIT_EXPANDERS): Update.
1476 2008-04-07 James E. Wilson <wilson@tuliptree.org>
1478 * reload.c (push_secondary_reload): Add missing break to for loop.
1480 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1482 PR middle-end/PR28690
1483 * rtlanal.c: Update copyright years.
1484 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
1485 as REG_POINTER and MEM_POINTER operands.
1486 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
1487 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
1488 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
1489 * gcse.c: Update copyright years.
1490 (pre_delete): Call gen_reg_rtx_and_attrs.
1491 (hoist_code): Likewise.
1492 (build_store_vectors): Likewise.
1493 (delete_store): Likewise.
1494 * loop-invariant.c (move_invariant_reg): Likewise.
1495 Update copyright years.
1497 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
1499 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
1500 control string instead of quoted.
1502 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1504 * doc/rtl.texi: Rewrite of subreg section.
1506 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
1509 * config/i386/i386.c (legitimize_pic_address): Add treating
1510 of dllimport SYM_REF's.
1511 (legitimize_dllimport_symbol): Add prototype.
1513 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1515 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1516 reference in constructor with non self-referential type.
1518 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1520 Removal of Return with Depressed Stack Pointer support
1521 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1522 (ECF_SP_DEPRESSED): Likewise.
1523 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1524 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1525 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1526 (expand_call): Do not test ECF_SP_DEPRESSED.
1527 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1528 * function.c (keep_stack_depressed): Delete.
1529 (handle_epilogue_set): Likewise.
1530 (update_epilogue_consts): Likewise.
1531 (emit_equiv_load): Likewise.
1532 (thread_prologue_and_epilogue_insns): Remove support for Return with
1533 Depressed Stack Pointer.
1534 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1536 2008-04-06 Richard Guenther <rguenther@suse.de>
1538 PR tree-optimization/35400
1539 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1540 information from SSA_NAMEs.
1542 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1544 * config/avr/avr.h (avr_mega_p): Remove declaration.
1545 (AVR_MEGA): Remove macro.
1546 * config/avr/avr.c (avr_mega_p): Remove variable.
1547 (avr_override_options): Remove inicializion of avr_mega_p.
1548 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1549 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1550 (avr_jump_mode): (Ditto.).
1551 (avr_output_progmem_section_asm_op): (Ditto.).
1552 (avr_asm_init_sections): (Ditto.).
1553 (avr_asm_init_sections): (Ditto.).
1554 (avr_rtx_costs): (Ditto.).
1555 * config/avr/avr.md: (Ditto.).
1556 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1559 2008-04-06 Richard Guenther <rguenther@suse.de>
1561 PR tree-optimization/35842
1562 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1563 is_gimple_invariant_address.
1565 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1567 * gcc.c (default_compilers): Sync Fortran extensions list with
1568 that in fortran/lang-specs.h.
1569 * doc/invoke.texi: Likewise.
1570 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1571 * dwarf2out.c (gen_compile_unit_die): Likewise.
1573 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1575 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1577 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1580 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1581 attribute is used for nested functions.
1583 2008-04-05 Jan Hubicka <jh@suse.cz>
1585 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1587 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1589 (dump_files): Update.
1590 (enable_rtl_dump_file): Do not accept letter argument.
1591 * tree-pass.h (dump_file_info): Remove letter argument.
1592 * toplev.c (decode_d_option): Update -da handling.
1593 * toplev.h (enable_rtl_dump_file): Update prototype.
1594 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1595 it out based on pass type.
1596 (register_dump_files_1): Likewise.
1597 (init_optimization_passes): Update register_one_dump_file calls.
1598 (execute_one_pass): Sanity check that IPA passes are called at IPA
1599 level and RTL passes at RTL level.
1600 (execute_pass_list): IPA pass can not be after or subpass of
1602 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1603 disallov RTL subpasses of IPA subpasses.
1605 2008-04-05 Ben Elliston <bje@au.ibm.com>
1607 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1608 builtins that return exactly once and do not throw. Cache call to
1611 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1613 PR rtl-optimization/34916
1615 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1616 between instruction pairs.
1618 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1620 * doc/invoke.texi: Document -mbitops for SH.
1621 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1622 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1623 * config/sh/sh.c (print_operand): Add %t operand code.
1624 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1625 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1626 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1627 (extendqihi2): Likewise.
1628 (movqi_i): Likewise.
1629 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1630 (extv): Use bld instruction for SH2A if possible.
1632 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
1633 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
1634 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
1635 (bset.b, bclr.b): Define peepholes.
1636 * config/sh/sh.opt (mbitops): New option.
1638 2008-04-04 Janis Johnson <janis187@us.ibm.com>
1641 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
1642 and view convert expression.
1644 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1647 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1649 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
1651 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
1653 * config/i386/cpuid.h (bit_AES): New.
1654 (bit_PCLMUL): Likewise.
1656 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
1657 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
1658 SSE2 if AES or PCLMUL is enabled.
1659 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
1660 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1661 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
1662 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
1663 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
1664 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
1665 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1666 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
1667 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
1668 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
1669 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
1670 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
1671 __builtin_ia32_aeskeygenassist128 and
1672 __builtin_ia32_pclmulqdq128.
1673 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
1674 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
1675 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
1677 * config/i386/i386.h (TARGET_AES): New.
1678 (TARGET_PCLMUL): Likewise.
1679 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
1681 * config/i386/i386.md (UNSPEC_AESENC): New.
1682 (UNSPEC_AESENCLAST): Likewise.
1683 (UNSPEC_AESDEC): Likewise.
1684 (UNSPEC_AESDECLAST): Likewise.
1685 (UNSPEC_AESIMC): Likewise.
1686 (UNSPEC_AESKEYGENASSIST): Likewise.
1687 (UNSPEC_PCLMUL): Likewise.
1689 * config/i386/i386.opt (maes): New.
1690 (mpclmul): Likewise.
1692 * config/i386/sse.md (aesenc): New pattern.
1693 (aesenclast): Likewise.
1695 (aesdeclast): Likewise.
1697 (aeskeygenassist): Likewise.
1698 (pclmulqdq): Likewise.
1700 * config/i386/wmmintrin.h: New.
1702 * doc/extend.texi: Document AES and PCLMUL built-in function.
1704 * doc/invoke.texi: Document -maes and -mpclmul.
1706 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
1708 * function.c (free_after_parsing): Replace with
1709 cxx_push_function_context from C++ front-end.
1710 (allocate_struct_function): Don't call langhook.
1711 * langhooks.h (struct lang_hooks_for_functions): Delete.
1712 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
1714 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
1715 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
1716 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
1717 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
1718 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
1719 remove LANG_HOOKS_FUNCTION_INITIALIZER.
1720 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
1722 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
1723 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
1725 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1728 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
1731 2008-04-04 Richard Guenther <rguenther@suse.de>
1734 * fold-const.c (optimize_minmax_comparison): Use the correct
1735 type for the constant in the simplified comparison.
1737 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
1739 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
1740 Pass L2 size as "--param l2-cache-size" to the compiler.
1741 (decode_l2_cache): New function to decode L2 cache parameters using
1742 0x8000006 extended cpuid function.
1743 (detect_caches_amd): Determine parameters of L2 cache using
1744 decode_l2_caches function.
1745 (decode_caches_intel): Decode L2 cache parameters.
1746 (detect_caches_intel): Determine L2 cache parameters using
1747 decode_caches_intel and decode_l2_caches functions.
1749 2008-04-03 Bob Wilson <bob.wilson@acm.org>
1751 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
1752 secondary input reload for subword loads from the constant pool.
1754 2008-04-03 Janis Johnson <janis187@us.ibm.com>
1757 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
1758 constants of the appropriate size for runtime calculations.
1761 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
1762 decimal-float literal constant zero.
1764 2008-04-03 Jakub Jelinek <jakub@redhat.com>
1767 * c-parser.c (c_parser_omp_atomic): Call
1768 default_function_array_conversion on the RHS.
1771 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
1772 call is_variable_sized if decl has incomplete type.
1774 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
1776 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
1778 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
1780 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
1782 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
1783 (sgt<u>): Merge sgt and sgtu into new expander.
1784 (sgt, sgtu): Remove expanders.
1785 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
1786 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
1787 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
1788 *sgtu_<mode>_mips16 into new pattern.
1789 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
1790 (sge<u>): Merge sge and sgeu into new expander.
1791 (sge, sgeu): Remove expanders.
1792 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
1794 (*sge_<mode>, second *sge_<mode>): Remove patterns.
1795 (slt<u>): Merge slt and sltu into new expander.
1796 (slt, sltu): Remove expanders.
1797 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
1798 (*slt_<mode>, *sltu_<mode>): Remove patterns.
1799 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
1800 *sltu_<mode>_mips16 into new pattern.
1801 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
1802 (sle<u>): Merge sle and sleu into new expander.
1803 (sle, sleu): Remove expanders.
1804 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
1805 (*sle_<mode>, *sleu_<mode>): Remove patterns.
1806 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
1807 *sleu_<mode>_mips16 into new pattern.
1808 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
1810 2008-04-03 Jan Hubicka <jh@suse.cz>
1812 PR tree-optimization/35795
1813 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
1814 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1815 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
1816 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
1817 * score/score3.c (score3_output_mi_thunk): Likewise.
1818 * score/score7.c (score7_output_mi_thunk): Likewise.
1819 * mips/mips.c (mips_output_mi_thunk): Likewise.
1821 2008-04-03 Richard Guenther <rguenther@suse.de>
1823 * tree-vrp.c (extract_range_from_unary_expr): Handle all
1824 conversions. Simplify code.
1826 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
1828 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
1830 2008-04-03 Tom Tromey <tromey@redhat.com>
1831 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1833 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
1834 * config/bfin/t-bfin-linux (generated_files): Add
1835 linux-sysroot-suffix.h.
1836 * doc/install.texi (Prerequisites): Require make 3.80.
1837 * doc/sourcebuild.texi (Front End Directory): Document new
1839 * Makefile.in (generated_files): New variable.
1840 (ALL_HOST_OBJS): New variable.
1841 ($(ALL_HOST_OBJS)): New target.
1843 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1845 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
1846 (remap_block): Call id->transform_lang_insert_block instead
1848 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
1849 Set id.transform_lang_insert_block to NULL.
1850 (clone_body): Move to cp/optimize.c
1851 * tree-inline.h (struct copy_body_data): Change
1852 transform_lang_insert_block to function pointer.
1853 (copy_generic_body, copy_decl_no_change): Export.
1854 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
1855 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
1856 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
1858 * c-tree.h (insert_block): Kill.
1859 * c-decl.c (insert_block): Kill.
1861 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
1863 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1864 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1865 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
1867 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
1868 argument, call {push,pop}_function_context from here.
1869 * c-parser.c: Use c_{push,pop}_function_context.
1871 * function.c (push_function_context_to): Move meat ...
1872 (push_function_context): ... here. Simplify.
1873 * function.c (pop_function_context_from): Move meat ...
1874 (pop_function_context): ... here. Simplify.
1875 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
1877 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
1878 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
1879 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
1880 * tree.h (push_function_context_to, pop_function_context_from): Remove.
1882 2008-04-03 Ben Elliston <bje@au.ibm.com>
1884 * expmed.c (extract_force_align_mem_bit_field): Remove.
1886 2008-04-03 Richard Guenther <rguenther@suse.de>
1889 * expr.h (try_casesi): Adjust prototype.
1890 * expr.c (try_casesi): Take fallback label as extra parameter.
1891 Use that for gen_casesi if default_label is NULL.
1892 * stmt.c (expand_case): Pass fallback label to try_casesi,
1893 make sure to fill gaps with a fallback label if default_label
1896 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
1899 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
1901 2008-04-03 Ben Elliston <bje@au.ibm.com>
1903 * expmed.c (extract_split_bit_field): Remove if (0) code.
1904 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
1905 (do_ds_constraint): Likewise.
1907 2008-04-02 Joseph Myers <joseph@codesourcery.com>
1909 * doc/cppopts.texi (-dU): Document.
1910 * c-common.h (flag_dump_macros): Update comment.
1911 * c-opts.c (handle_OPT_d): Handle -dU.
1912 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
1913 dump_queued_macros, cb_used_define, cb_used_undef): New.
1914 (init_pp_output): Handle -dU.
1915 (cb_line_change): Call dump_queued_macros.
1916 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
1918 2008-04-02 Anatoly Sokolov <aesok@post.ru>
1920 * config/avr/predicates.md (io_address_operand): New predicate.
1921 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
1922 * config/avr/avr.c (avr_io_address_p): Remove function.
1923 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
1924 'avr_io_address_p' function.
1925 (out_movhi_r_mr): (Ditto.).
1926 (out_movqi_mr_r): (Ditto.).
1927 (out_movhi_mr_r): (Ditto.).
1928 (avr_address_cost): (Ditto.).
1930 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
1932 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
1933 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
1934 in 32bit mode when XMM registers are available to avoid store
1936 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
1937 corresponding post-reload splitters.
1939 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1941 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
1942 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
1943 __builtin_ia32_roundss.
1944 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
1945 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
1946 __builtin_ia32_roundss.
1947 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
1948 IX86_BUILTIN_SHUFPD here.
1950 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
1952 * config/i386/i386.md (plogic): New.
1953 (plogicprefix): Likewise.
1955 * config/i386/mmx.md (mmx_<code><mode>3): New.
1956 (mmx_and<mode>3): Removed.
1957 (mmx_ior<mode>3): Likewise.
1958 (mmx_xor<mode>3): Likewise.
1960 * config/i386/sse.md (<code><mode>3): New.
1961 (*<code><mode>3): Likewise.
1962 (*<code><mode>3): Likewise.
1963 (<code><mode>3): Likewise.
1964 (*sse_<code><mode>3): Likewise.
1965 (*sse2_<code><mode>3): Likewise.
1966 (<code>tf3): Likewise.
1967 (*<code>tf3): Likewise.
1968 (and<mode>3): Likewise.
1969 (*and<mode>3): Likewise.
1970 (ior<mode>3): Removed.
1971 (*ior<mode>3): Likewise.
1972 (xor<mode>3): Likewise.
1973 (*xor<mode>3): Likewise.
1974 (*and<mode>3): Likewise.
1975 (*ior<mode>3): Likewise.
1976 (*xor<mode>3): Likewise.
1977 (and<mode>3): Likewise.
1978 (*sse_and<mode>3): Likewise.
1979 (*sse2_and<mode>3): Likewise.
1981 (*andtf3): Likewise.
1982 (ior<mode>3): Likewise.
1983 (*sse_ior<mode>3): Likewise.
1984 (*sse2_ior<mode>3): Likewise.
1986 (*iortf3): Likewise.
1987 (xor<mode>3): Likewise.
1988 (*sse_xor<mode>3): Likewise.
1989 (*sse2_xor<mode>3): Likewise.
1991 (*xortf3): Likewise.
1993 2008-04-02 Richard Guenther <rguenther@suse.de>
1995 PR tree-optimization/14495
1996 PR tree-optimization/34793
1997 * tree-vrp.c (struct switch_update): New structure.
1998 (to_remove_edges, to_update_switch_stmts): New VECs.
1999 (simplify_switch_using_ranges): New function. Remove not taken
2000 case labels and edges.
2001 (simplify_stmt_using_ranges): Call it.
2002 (identify_jump_threads): Mark edges we have queued for removal
2003 so we don't thread them.
2004 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2006 * tree-cfg.c (group_case_labels): Deal with missing default label.
2007 (tree_verify_flow_info): Allow missing default label.
2008 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2009 (emit_case_nodes): Likewise.
2010 (expand_case): Do not rely on the default label to be present.
2011 * expr.c (try_casesi): Deal with NULL default_label.
2012 (do_tablejump): Likewise.
2014 2008-04-02 Richard Guenther <rguenther@suse.de>
2016 PR tree-optimization/14495
2017 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2018 SWITCH_EXPR here ...
2019 (vrp_visit_switch_stmt): ... but here (new function).
2020 (find_case_label_index): New helper function.
2021 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2023 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2025 * fwprop.c: Fix ISO-C99ism.
2027 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2030 * Makefile.in (objdir): Set it here.
2031 * configure.ac: Not here. Find dynamic linker characteristics.
2032 * exec-tool.in: Use them.
2033 * aclocal.m4: Regenerate.
2034 * configure: Regenerate.
2036 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2038 * expr.c (expand_var): Delete it.
2039 * expr.h (expand_var): Delete prototype.
2040 * function.c (expand_function_start): Use expand_decl instead.
2041 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2044 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2046 PR rtl-optimization/35542
2047 * fwprop.c (forward_propagate_and_simplify): Replace
2048 loc_reg_mentioned_in_p with reg_mentioned_p.
2050 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2052 PR rtl-optimization/35281
2053 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2054 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2055 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2056 (varying_mem_p): Move above propagate_rtx.
2057 (all_uses_available_at): Do not check MEMs.
2059 2008-04-02 Rafael Espindola <espindola@google.com>
2061 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2062 (register_edge_assert_for_2): Split the cond argument.
2063 (register_edge_assert_for_1): Adjust for the change in
2064 register_edge_assert_for_2.
2065 (register_edge_assert_for): Split the cond argument.
2066 (find_switch_asserts): Adjust for the change in
2067 register_edge_assert_for.
2069 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2071 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2072 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2073 offsets for 64-bit mingw.
2074 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2075 abi for x86_64-pc-mingw.
2077 2008-04-02 Richard Guenther <rguenther@suse.de>
2079 * tree-vrp.c (extract_range_from_assert): Make sure to not
2080 produce range min/max with TREE_OVERFOW set.
2081 If merging a anti-range and a range keep the anti-range if
2082 the range covers all values of the type.
2083 (register_edge_assert_for_2): Only allow sign-changing
2084 conversions in detecting canonical range checks. Also
2085 register an assert for the unsigned name if useful.
2087 PR tree-optimization/35787
2088 * tree-vrp.c (vrp_val_max): New function.
2089 (vrp_val_min): Likewise.
2090 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2091 (vrp_val_is_min): Likewise.
2092 (supports_overflow_infinity): Use vrp_val_{min,max}.
2093 (negative_overflow_infinity): Likewise.
2094 (positive_overflow_infinity): Likewise.
2095 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2096 (is_positive_overflow_infinity): Likewise.
2097 (is_overflow_infinity): Likewise.
2098 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2099 vrp_val_is_{min,max}.
2100 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2101 to ranges if possible. Avoid empty ranges.
2103 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2106 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2107 the expression is a function address.
2109 2008-04-01 George Helffrich <george@gcc.gnu.org>
2111 PR fortran/PR35154, fortran/PR23057
2112 * fortran/trans-common.c (create_common): Add decl to function
2113 chain to preserve identifier scope in debug output.
2115 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2116 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2117 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2118 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2120 (dbxout_syms): Check for COMMON-based symbol and wrap in
2121 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2122 in bracket for efficiency.
2124 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2125 using DW_TAG_common_block + member offset.
2126 (add_pubname_string): New function.
2127 (dw_expand_expr): New function to find block name and offset for
2129 (common_check): New function to check whether symbol in Fortran COMMON.
2130 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2132 * testsuite/gcc.dg/debug/pr35154.c: New test to check that non-Fortran
2133 use of common is unchanged.
2135 * testsuite/lib/gfortran-dg.exp: New harness to compile Fortran progs
2136 with all combinations of debug options available on target.
2137 * testsuite/gfortran.dg/debug/debug.exp: Ditto.
2138 * testsuite/gfortran.dg/debug/trivial.f: Ditto.
2139 * testsuite/gfortran.dg/debug/pr35154-stabs.f: New test case for
2140 .stabs functionality.
2141 * testsuite/gfortran.dg/debug/pr35154-dwarf2.f: New test case for
2142 DWARF functionality.
2144 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2147 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2149 2008-04-02 Ben Elliston <bje@au.ibm.com>
2151 * config/v850/v850.md (casesi): Remove if (0) code.
2152 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2153 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2155 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2157 * config/i386/i386.md (rex64suffix): New mode attribute.
2158 (floathi<mode>2): Disable expander for SSE math.
2159 (*floathi<mode>2_1): New insn insn_and_split pattern.
2160 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2161 corresponding post-reload splitters.
2162 (*floathi<mode>2_i387): New macroized insn pattern.
2163 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2164 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2165 insn_and_split pattern.
2166 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2167 New macroized instruction patterns and corresponding post-reload
2169 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2170 and corresponding post-reload splitters.
2171 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2172 New macroized instruction patterns.
2173 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2174 macroized instruction patterns and corresponding post-reload splitters.
2175 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2176 corresponding post-reload splitters.
2177 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2178 New macroized instruction patterns.
2179 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2180 corresponding post-reload splitters.
2181 (*floatsi<mode>2_i387): New macroized instruction patterns.
2183 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2185 * config/i386/i386.md (smaxmin): New.
2186 (umaxmin): Likewise.
2187 (maxminiprefix): Likewise.
2188 (maxminfprefix): Likewise.
2189 (<code><mode>3): Likewise.
2190 (smin<mode>3): Removed.
2191 (smax<mode>3): Likewise.
2193 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2194 (mmx_<code>v4hi3): Likewise.
2195 (mmx_<code>v8qi3): Likewise.
2196 (mmx_smaxv2sf3): Removed.
2197 (mmx_sminv2sf3): Likewise.
2198 (mmx_umaxv8qi3): Likewise.
2199 (mmx_smaxv4hi3): Likewise.
2200 (mmx_uminv8qi3): Likewise.
2201 (mmx_sminv4hi3): Likewise.
2203 * config/i386/sse.md (<addsub><mode>3): New.
2204 (*<addsub><mode>3): Likewise.
2205 (<sse>_vm<addsub><mode>3): Likewise.
2206 (<maxmin><mode>3): Likewise.
2207 (*<maxmin><mode>3_finite): Likewise.
2208 (*<maxmin><mode>3): Likewise.
2209 (<sse>_vm<maxmin><mode>3): Likewise.
2210 (sse3_h<addsub>v4sf3): Likewise.
2211 (sse3_h<addsub>v2df3): Likewise.
2212 (<maxmin>v16qi3): Likewise.
2213 (*<maxmin>v16qi3): Likewise.
2214 (<maxmin>v8hi3): Likewise.
2215 (*<maxmin>v8hi3): Likewise.
2216 (*sse4_1_<maxmin><mode>3): Likewise.
2217 (*sse4_1_<maxmin><mode>3): Likewise.
2218 (add<mode>3): Removed.
2219 (*add<mode>3): Likewise.
2220 (<sse>_vmadd<mode>3): Likewise.
2221 (sub<mode>3): Likewise.
2222 (*sub<mode>3): Likewise.
2223 (<sse>_vmsub<mode>3): Likewise.
2224 (smin<mode>3): Likewise.
2225 (*smin<mode>3_finite): Likewise.
2226 (*smin<mode>3): Likewise.
2227 (<sse>_vmsmin<mode>3): Likewise.
2228 (smax<mode>3): Likewise.
2229 (*smax<mode>3_finite): Likewise.
2230 (*smax<mode>3): Likewise.
2231 (<sse>_vmsmax<mode>3): Likewise.
2232 (sse3_haddv4sf3): Likewise.
2233 (sse3_haddv2df3): Likewise.
2234 (sse3_hsubv4sf3): Likewise.
2235 (sse3_hsubv2df3): Likewise.
2236 (umaxv16qi3): Likewise.
2237 (*umaxv16qi3): Likewise.
2238 (smaxv8hi3): Likewise.
2239 (*smaxv8hi3): Likewise.
2240 (*sse4_1_smax<mode>3): Likewise.
2241 (*sse4_1_umax<mode>3): Likewise.
2242 (uminv16qi3): Likewise.
2243 (*uminv16qi3): Likewise.
2244 (sminv8hi3): Likewise.
2245 (*sminv8hi3): Likewise.
2246 (*sse4_1_smin<mode>3): Likewise.
2247 (*sse4_1_umin<mode>3): Likewise.
2249 2008-04-01 Rafael Espindola <espindola@google.com>
2251 * tree-cfg.c (verify_expr): remove in_phi.
2252 (verify_stmt): Don't call walk_tree with verify_expr. Use
2253 is_gimple_min_invariant instead of is_gimple_val.
2255 2008-04-01 Joseph Myers <joseph@codesourcery.com>
2257 * doc/include/gpl_v3.texi: Update for manpage generation.
2258 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2260 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2261 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2262 gpl_v3.texi instead of gpl.texi.
2265 2008-04-01 Jakub Jelinek <jakub@redhat.com>
2268 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2270 2008-04-01 Rafael Espindola <espindola@google.com>
2272 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2273 (extract_code_and_val_from_cond): Use
2274 extract_code_and_val_from_cond_with_ops.
2276 2008-04-01 Jan Hubicka <jh@suse.cz>
2278 * function.c (free_after_compilation): Free epilogue_delay_list.
2279 (prepare_function_start): Assert that previous compilation was freed.
2281 2008-04-01 Jan Hubicka <jh@suse.cz>
2282 Jim Wilson <wilson@tuliptree.org>
2283 Andreas Tobler <andreast@gcc.gnu.org>
2286 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
2287 rtl.emit instead cfun->emit.
2288 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
2289 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
2291 2008-04-01 Ben Elliston <bje@au.ibm.com>
2293 * doc/c-tree.texi (Function Basics): Fix grammatical error.
2295 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
2297 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
2299 (fprofile-use): Add var flag_profile_use
2300 * coverage.c (coverage_begin_output): Do not open a gcno file for
2301 output only if -ftest-coverage is set.
2302 Do not add getpwd() to gcda file path.
2303 (build_gcov_info): Check the new flag
2304 flag_profile_datafile_relative_path.
2305 (coverage_init): Use profile_data_prefix.
2306 Read profile counter only if flag_profile_use is set.
2307 * opts.c (common_handle_option): New option fprofile-use=,
2308 fprofile-dir=, fprofile-generate=.
2309 * toplev.c (profile_data_prefix): New variable definition.
2310 * toplev.h (profile_data_prefix): New declaration.
2311 * doc/invoke.tex (Option Summary, Optimization Options):
2314 2008-03-31 James E. Wilson <wilson@tuliptree.org>
2316 * varasm.c (output_constant_pool_1): In LABEL_REF check,
2317 use tmp consistently.
2320 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
2321 * config/ia64/ia64.c (rtx_needs_barrier): Handle
2322 UNSPEC_FR_RECIP_APPROX_RES.
2323 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
2325 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
2328 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
2330 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2333 * fold-const.c (fold_indirect_ref_1): Support accessing non first
2334 element of the vector via a pointer.
2336 2008-03-31 Ian Lance Taylor <iant@google.com>
2338 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
2340 2008-03-31 Jan Hubicka <jh@suse.cz>
2342 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2343 get_arg_pointer_save_area.
2344 * expr.c (init_expr): Just clear out rtl.expr.
2345 * function.c (free_after_compilation): Clear out whole RTL structure.
2346 (get_func_frame_size): Merge into ...
2347 (get_frame_size): ... this one.
2348 (assign_stack_local_1): Merge into ...
2349 (assign_stack_local): ... this one.
2350 (expand_function_end): Update call of get_arg_pointer_save_area.
2351 (get_art_pointer_save_area): Remove cfun argument.
2352 * function.h (emit_status): regno_pointer_align does not need length
2353 attribute. Move x_regno_reg_rtx to ...
2354 (regno_reg_rtx): ... new global array.
2355 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
2356 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
2357 apply_args_value, forced_labels, stack_pointer_delta):
2359 (struct varasm_status): Move here from varasm.c
2360 (struct rtl_data): New. Move here some fields from struct function.
2361 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2362 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2363 used_temp_slots avail_temp_slots, temp_slot_level,
2364 nonlocal_goto_handler_labels): Update accesstors.
2365 (rtl): New global variable.
2366 (struct function): Move some fileds to rtl_data.
2367 (get_arg_pointer_save_area): Update prototype.
2368 * emit-rtl.c (rtl): Declare.
2369 (regno_reg_rtx): Declare.
2370 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2372 (gen_reg_rtx): Update.
2373 (init_virtual_regs): Do not tate emit_status argument.
2374 (init_emit): Do not allocate emit.
2375 * varasm.c (varasm_statuc): Move to function.h.
2376 (n_deferred_constatns): Update accestor.
2377 (init_varasm_status): Do not allocate varasm_status.
2378 (force_const_mem, get_pool_size, output_constant_pool): Update.
2379 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2380 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2382 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
2384 PR rtl-optimization/35729
2385 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
2388 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
2391 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
2392 load/store if memory is unaligned.
2393 (*movti_rex64): Likewise.
2395 * config/i386/predicates.md (misaligned_operand): New.
2397 2008-03-31 Andrew Pinski <pinskia@gmail.com>
2400 * tree-ssa-phiopt.c (conditional_replacement): Return early for
2403 2008-03-31 Jan Beulich <jbeulich@novell.com>
2405 * config/ia64/constraints.md: Add 'j' constraint.
2406 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
2407 (movdi_internal): Likewise.
2409 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
2412 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
2414 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2417 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
2418 proper error message for the third argument on blendpd and
2421 * config/i386/sse.md (blendbits): New.
2422 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
2424 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
2426 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
2428 2008-03-30 Richard Guenther <rguenther@suse.de>
2431 * fold-const.c (fold_sign_changed_comparison): Do leave
2432 conversions to base-types alone.
2434 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2436 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
2437 the link register if one altivec register is be saved.
2439 2008-03-30 Ben Elliston <bje@au.ibm.com>
2441 * final.c (final_scan_insn): Remove if (0) code.
2443 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
2445 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
2447 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
2449 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
2450 of V4SFmode to ix86_binary_operator_ok.
2452 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
2454 * config/i386/i386.c (override_options): Initialize
2455 ix86_veclib_handler to ix86_veclibabi_svml when
2456 -mveclibabi=svml is used.
2457 (ix86_veclibabi_svml): New function for SVML ABI style
2458 vectorization support.
2459 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
2461 2008-03-28 Rafael Espindola <espindola@google.com>
2463 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2464 (tree_binary_nonnegative_warnv_p): Make it public.
2465 (tree_single_nonnegative_warnv_p): Make it public.
2466 (tree_invalid_nonnegative_warnv_p): Make it public.
2467 (tree_unary_nonzero_warnv_p): Make it public.
2468 (tree_binary_nonzero_warnv_p): Make it public
2469 (tree_single_nonzero_warnv_p): Make it public.
2470 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2471 (extract_range_from_binary_expr): Split the expr argument.
2472 (extract_range_from_unary_expr): Split the expr argument.
2473 (extract_range_from_comparison): Split the expr argument.
2474 (extract_range_from_expr): Use the new aux functions.
2475 (vrp_evaluate_conditional_warnv): Use
2476 vrp_evaluate_conditional_warnv_with_ops.
2477 * tree.h (tree_unary_nonzero_warnv_p): Declare.
2478 (tree_binary_nonzero_warnv_p): Declare.
2479 (tree_single_nonzero_warnv_p): Declare.
2480 (tree_expr_nonzero_warnv_p): Declare.
2481 (tree_unary_nonnegative_warnv_p): Declare.
2482 (tree_binary_nonnegative_warnv_p): Declare.
2483 (tree_single_nonnegative_warnv_p): Declare.
2484 (tree_invalid_nonnegative_warnv_p): Declare.
2486 2008-03-28 Richard Guenther <rguenther@suse.de>
2488 PR tree-optimization/30317
2489 PR tree-optimization/30911
2490 PR tree-optimization/34793
2491 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2492 (struct assert_locus_d): New member EXPR.
2493 (register_new_assert_for): Add EXPR parameter to support
2494 ASSERT_EXPR <name, expr OP limit>.
2495 (register_edge_assert_for_1): Adjust callers.
2496 (find_assert_locations): Likewise.
2497 (process_assert_insertions_for): Build condition from expression.
2498 (extract_range_from_assert): Handle ASSERT_EXPRs
2499 of the form ASSERT_EXPR <name, expr OP limit>.
2500 (register_edge_assert_for_2): New helper registering
2501 asserts for comparisons. Recognize range tests of the form
2502 (unsigned)i - CST1 OP CST2.
2503 (register_edge_assert_for_1): Use it.
2504 (register_edge_assert_for): Likewise.
2505 (needs_overflow_infinity): Integer sub-types
2506 do not need overflow infinities.
2507 (vrp_val_is_max): The extreme values of integer sub-types
2508 are those of the base type.
2509 (vrp_val_is_min): Likewise.
2510 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2513 2008-03-28 Nick Clifton <nickc@redhat.com>
2516 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2517 Return GENERAL_REGS for stack adjustment reloads.
2519 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2522 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2523 const_vector when all the vectors are constant.
2525 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2527 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2529 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2530 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2532 (s<code>_sf): Use new scc_sf attribute for opcode names.
2534 2008-03-27 Tom Tromey <tromey@redhat.com>
2536 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2537 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2538 config/spu/t-spu-elf, config/i386/t-interix,
2539 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2540 config/i386/x-darwin, config/i386/x-mingw32,
2541 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2542 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2543 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2544 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2545 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2546 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2547 config/score/t-score-elf, config/arm/t-strongarm-pe,
2548 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2549 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2550 Revert automatic dependency patch.
2552 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2555 * config/i386/i386.c (ix86_function_arg_boundary): Align
2556 decimal floating point to its natural boundary.
2558 2008-03-27 Richard Guenther <rguenther@suse.de>
2561 * fold-const.c (fold_comparison): Restrict distinct decl
2562 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2563 solely rely on operand_equal_p.
2565 2008-03-27 Richard Guenther <rguenther@suse.de>
2568 * c-common.c (handle_weak_attribute): Reject combination of
2571 2008-03-27 Richard Guenther <rguenther@suse.de>
2573 PR tree-optimization/32810
2574 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2575 conversions from DECL_INITIAL.
2576 (fold_const_aggregate_ref): Likewise from constructor elements.
2578 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2580 * tree-affine.h (aff_combination_expand): Declare.
2581 (get_inner_reference_aff): Likewise.
2582 * tree-affine.c (aff_combination_expand): Split out from
2583 tree_to_aff_combination_expand.
2584 (get_inner_reference_aff): New function.
2585 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2586 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2587 (struct lim_aux_data): sm_done field removed.
2588 (mem_ref_loc_p, mem_ref_locs_p): New types.
2589 (struct mem_ref): Added id, stored, accesses_in_loop,
2590 indep_loop, dep_loop, indep_ref, dep_ref fields.
2591 Removed is_stored, locs and next fields.
2592 (memory_accesses): New variable.
2593 (movement_possibility): Do not allow moving statements
2594 that store to memory.
2595 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2597 (determine_max_movement): For statements with memory references,
2598 find the outermost loop in that the reference is independent.
2599 (move_computations_stmt): Mark the virtual operands for renaming.
2600 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2601 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2602 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2603 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2604 create_vop_ref_mapping, analyze_memory_references,
2605 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2606 get_all_locs_in_loop, ref_always_accessed_p,
2607 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2608 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2609 store_motion_loop, store_motion): New functions.
2610 (struct vop_to_refs_elt): New type.
2611 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2612 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2613 (schedule_sm): Replaced by...
2614 (execute_sm): ... this.
2615 (determine_lsm_ref, hoist_memory_references,
2616 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2617 find_more_ref_vops, free_mem_ref, free_mem_refs,
2618 determine_lsm_loop, determine_lsm): Removed.
2619 (tree_ssa_lim_finalize): Free data structures used by store motion.
2620 (tree_ssa_lim): Call analyze_memory_references. Use
2621 store_motion instead of determine_lsm.
2623 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2625 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2626 rename tmake_file to m68hc11/t-m68hc11.
2627 (mcore): Set inhibit_libc to true.
2628 * config.host (alpha*-dec-*vms*): Set extra_programs.
2629 (interix3*): Don't use host_xmake_file.
2630 * configure.ac: Let config.gcc override inhibit_libc.
2631 * configure: Regenerate.
2633 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2634 * config/t-openbsd-thread: Remove commented out lines.
2636 * config/x-interix: Remove.
2638 * config/m68hc11/t-m68hc11-gas: Rename to...
2639 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2641 * config/mcore/t-mcore: Remove T_CFLAGS.
2642 * config/mcore/t-mcore-pe: Likewise.
2644 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2646 * configure.ac: Replace custom __GNU_SOURCE test with
2647 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2648 * aclocal.m4: Regenerate.
2649 * configure: Regenerate.
2650 * config.in: Regenerate.
2652 2008-03-27 Richard Guenther <rguenther@suse.de>
2654 * fold-const.c (target.h): Include.
2655 (fold_comparison): Fold comparison of addresses of decls
2656 that bind locally or of constants. Consolidate address folding code.
2657 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2658 results from fold_binary_to_constant.
2659 (compare_values_warnv): Likewise.
2661 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2664 * fold-const.c (fold_truthop): Check for integeral types when folding
2665 a == 0 && b == 0 and a != 0 || b != 0 .
2667 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2669 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2671 2008-03-26 Andreas Schwab <schwab@suse.de>
2673 * doc/invoke.texi: Fix use of @item vs. @itemx.
2675 2008-03-26 Tom Tromey <tromey@redhat.com>
2677 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2678 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2679 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2680 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2681 build/genconstants.o, build/genemit.o, build/genextract.o,
2682 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2683 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2686 2008-03-26 Richard Guenther <rguenther@suse.de>
2689 2008-03-26 Richard Guenther <rguenther@suse.de>
2691 * fold-const.c (target.h): Include.
2692 (fold_comparison): Fold comparison of addresses of two decls
2693 that bind locally. Consolidate address folding code.
2695 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2697 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
2698 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
2699 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
2700 dconstsqrt2, dconstthird, dconste and/or dconst10.
2701 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
2702 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
2703 dconstsqrt2, dconste): Delete.
2704 (init_emit_once): Likewise. Simplify initializing dconstm1.
2706 * real.c (get_real_const): New.
2707 * real.h (dconst3, dconst10, dconstm2, dconstthird,
2708 dconstsqrt2, dconste): Delete.
2709 (real_value_const, get_real_const): New.
2711 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
2713 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
2715 * config/i386/i386.c (ix86_function_arg_boundary): Check
2716 BIGGEST_ALIGNMENT instead of 128.
2717 (setup_incoming_varargs_64): Likewise.
2719 2008-03-26 Tom Tromey <tromey@redhat.com>
2721 * Makefile.in (DEPFILES): Add missing '/'.
2723 2008-03-26 Richard Guenther <rguenther@suse.de>
2725 * fold-const.c (target.h): Include.
2726 (fold_comparison): Fold comparison of addresses of two decls
2727 that bind locally. Consolidate address folding code.
2729 2008-03-26 Nick Clifton <nickc@redhat.com>
2732 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
2733 not allow INT+INT as a legitimate addressing mode.
2735 2008-03-26 Richard Guenther <rguenther@suse.de>
2737 * tree-flow.h (widen_bitfield): Remove declaration.
2738 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
2739 (widen_bitfield): Remove function.
2740 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
2743 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2746 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
2749 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
2751 PR rtl-optimization/35232
2752 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
2753 (forget_old_reloads_1, forget_marked_reloads): Don't clear
2754 reg_reloaded_call_part_clobbered here.
2755 (reload_regs_reach_end_p): New function.
2756 (reload_reg_rtx_for_input): New variable.
2757 (reload_reg_rtx_for_output): Likewise.
2758 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
2759 when reassigning a pseudo register. Load reloadreg from
2760 reload_reg_rtx_for_input, moving the mode and register
2762 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
2763 instead of the original when deciding whether an input reload
2764 would be a no-op or whether an output reload can be deleted.
2765 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
2766 when setting up new_spill_reg_store. Load it from
2767 reload_reg_rtx_for_output, moving the mode and register
2769 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
2770 instead of the original when deciding whether an output reload
2771 would be a no-op. Do the same when modifying insn notes.
2772 Use rtx_equal_p instead of == to compare the registers.
2773 (inherit_piecemeal_p): Take a mode and two register numbers
2775 (emit_reload_insns): Clear new_spill_reg_store for every hard
2776 register in the reload register. Remove spill registers
2777 from reg_reloaded_valid before considering whether to record
2778 inheritance information for them. Use reload_reg_rtx_for_output
2779 instead of reg_rtx when recording output reloads. Use
2780 reload_reg_rtx_for_input instead of reg_rtx when recording
2781 input reloads. Set or clear reg_reloaded_call_part_clobbered
2782 at the same time as setting reg_reloaded_valid.
2783 (delete_output_reload): Add a new_reload_reg parameter and use it
2784 instead of rld[j].reg_rtx.
2785 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
2788 2008-03-25 Tom Tromey <tromey@redhat.com>
2790 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
2791 (build/genattr.o): Likewise.
2792 (build/genattrtab.o): Likewise.
2793 (build/gencodes.o): Likewise.
2794 (build/genconfig.o): Likewise.
2795 (build/genconstants.o): Likewise.
2796 (build/genemit.o): Likewise.
2797 (build/genextract.o): Likewise.
2798 (build/genflags.o): Likewise.
2800 2008-03-25 Bob Wilson <bob.wilson@acm.org>
2802 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
2803 instead of size_int for integer types.
2804 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
2805 to match type of MINUS_EXPR.
2807 2008-03-25 Tom Tromey <tromey@redhat.com>
2809 * configure: Rebuilt.
2810 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
2813 2008-03-25 Tom Tromey <tromey@redhat.com>
2815 * config/x-solaris (host-solaris.o): Update.
2816 * config/x-linux (host-linux.o): Update.
2817 * config/x-hpux (host-hpux.o): Update.
2818 * config/x-darwin (host-darwin.o): Update.
2819 * config/v850/t-v850e (v850-c.o): Update.
2820 * config/v850/t-v850 (v850-c.o): Update.
2821 * config/t-vxworks (vxworks.o): Update.
2822 * config/t-sol2 (sol2-c.o, sol2.o): Update.
2823 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
2824 * config/spu/t-spu-elf (spu-c.o): Update.
2826 * config/sh/t-symbian (sh-c.o): Update.
2827 (symbian.o): Update.
2828 * config/sh/t-sh (sh-c.o): Update.
2829 * config/score/t-score-elf (score7.o, score3.o): Update.
2830 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
2831 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
2832 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
2833 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
2835 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2836 * config/m32c/t-m32c (m32c-pragma.o): Update.
2837 * config/ia64/t-ia64 (ia64-c.o): Update.
2838 * config/i386/x-mingw32 (host-mingw32.o): Update.
2839 * config/i386/x-i386 (driver-i386.o): Update.
2840 * config/i386/x-darwin (host-i386-darwin.o): Update.
2841 * config/i386/x-cygwin (host-cygwin.o): Update.
2842 * config/i386/t-nwld (nwld.o): Update.
2843 * config/i386/t-netware (netware.o): Update.
2844 * config/i386/t-interix (winnt.o): Update.
2845 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
2846 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
2847 msformat-c.o): Update.
2848 * config/bfin/t-bfin-linux (generated_files): Add
2849 linux-sysroot-suffix.h.
2850 * config/arm/t-wince-pe (pe.o): Update.
2851 * config/arm/t-strongarm-pe (pe.o): Update.
2852 * config/arm/t-pe (pe.o): Update.
2853 * config/arm/t-arm (arm-c.o): Update.
2854 * doc/install.texi (Prerequisites): Require make 3.80.
2855 * Makefile.in: Remove .o targets.
2856 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
2857 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
2858 (simple_generated_h, simple_generated_c): Move earlier.
2859 (generated_files): New variable.
2860 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
2861 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
2862 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
2863 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
2864 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
2865 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
2866 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
2867 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
2868 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
2869 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
2870 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
2871 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
2873 (COMPILE.base, COMPILE): New variables.
2874 (%.o): New pattern rule.
2875 (ALL_HOST_OBJS): New variable.
2876 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
2877 (dummy-checksum.o, cc1-checksum.o): Remove.
2878 (DRIVER_SHLIB): New variable.
2879 (DRIVER_DEFINES): Use it.
2880 (gencondmd.c): Move out of build/.
2881 (s-conditions): Update.
2882 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
2883 (ALL_BUILD_OBJS): Likewise.
2884 (build/%.o): Use BUILDCOMPILE.
2885 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
2886 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
2887 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
2888 build/gencheck.o, build/gencodes.o, build/genconditions.o,
2889 build/genconfig.o, build/genconstants.o, build/genemit.o,
2890 build/genextract.o, build/genflags.o, build/genmddeps.o,
2891 build/genopinit.o, build/genoutput.o, build/genpeep.o,
2892 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
2893 build/gen-protos.o, build/scan.o, build/fix-header.o,
2894 build/scan-decls.o): Simplify.
2895 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
2896 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
2897 prefix.o, toplev.o): Reduce to variable setting.
2898 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
2899 ($(out_object_file), gcc-options.o): New targets.
2900 ($(ALL_HOST_OBJS)): New target. Include dependency files.
2901 * configure: Rebuilt.
2902 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
2903 * doc/sourcebuild.texi (Front End Directory): Document new variable.
2905 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
2907 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
2908 complain when we hit an error, return ERROR_MARK_NODE.
2910 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2912 * config/sh/constraints.md (Pso, Psz): New constraints.
2913 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
2914 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
2916 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2918 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
2919 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
2921 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
2923 * config/sh/sh.md (prefetch): Add condition for SH2A target.
2924 (prefetch_sh2a): New.
2926 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2927 Naveen.H.S <naveen.hs@kpitcummins.com>
2929 * config/sh/constraints.md (I28): New constraint.
2930 * config/sh/sh.c (broken_move): Add support for movi20s.
2931 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
2933 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
2934 Jayant Sonar <Jayant.sonar@kpitcummins.com>
2935 Naveen.H.S <naveen.hs@kpitcummins.com>
2937 * config/sh/sh.c (SH_ATTRIBUTES): Define.
2938 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2939 (print_operand): Handle resbank in %@ operand code.
2940 (sh_encode_section_info): New.
2941 (push_regs): Add conditions for resbank.
2942 (sh_expand_epilogue): Likewise.
2943 (sh_insert_attributes): Likewise.
2944 (sh_attribute_table): Likewise.
2945 (sh_handle_resbank_handler_attribute): New.
2946 (sh2a_handle_function_vector_handler_attribute): New.
2947 (sh2a_is_function_vector_call): New.
2948 (sh2a_get_function_vector_number): New.
2949 (sh2a_function_vector_p): New.
2950 (sh_cfun_resbank_handler_p): New.
2951 * config/sh/sh.md (calli): Emit jsr/n if possible.
2952 (calli_tbr_rel): New.
2953 (calli_pcrel): Emit jsr/n if possible.
2954 (return_i): Emit rts/n if possible.
2955 (call_valuei_tbr_rel): New.
2956 (call_valuei_pcrel): Add condition for SH2A target.
2957 (call_value): Likewise.
2958 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
2959 (sh2a_get_function_vector_number): Likewise.
2960 (sh2a_is_function_vector_call): Likewise.
2961 * doc/extend.texi: Document TBR relative addressing of SH2A.
2962 (resbank): Add description for SH2A.
2964 2008-03-24 Richard Guenther <rguenther@suse.de>
2967 * gimplify.c (gimplify_modify_expr): For frontend type-correct
2968 pointer assignments change conversions according to middle-end rules.
2969 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
2970 * configure.ac: Include type checking in yes.
2971 * configure: Regenerate.
2973 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2975 * diagnostic.c (diagnostic_count_diagnostic): Delete.
2976 (diagnostic_report_diagnostic): Update. Handle ICEs here.
2978 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
2980 * gthr-vxworks.h (UNUSED): Define.
2982 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
2984 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
2986 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
2988 * doc/extend.texi (Function Attributes): Add missing comma in the
2989 example of the "alloc_size" attribute.
2991 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
2994 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
2996 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
2999 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3002 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3003 of the underlying type of a MS bitfield layout to the natural
3004 alignment of the type.
3006 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3008 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3009 to their natural alignment to avoid store forwarding stalls.
3011 2008-03-22 Richard Guenther <rguenther@suse.de>
3013 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3014 For PHI nodes verify the address is invariant.
3015 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3016 (get_symbol_constant_value): Use is_gimple_min_invariant.
3017 (maybe_fold_stmt_indirect): Likewise.
3019 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3021 PR rtl-optimization/33927
3022 * Makefile.in (dse.o): Depend on $(TM_P_H).
3023 * expr.h (extract_low_bits): Declare.
3024 * expmed.c (extract_low_bits): New function.
3025 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3026 * dse.c: Include tm_p.h.
3027 (find_shift_sequence): Remove the read_reg argument and return the
3028 read value. Emit the instructions instead of returning them.
3029 Iterate on new_mode rather than calculating it each time.
3030 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3031 source to NEW_MODE and extract_low_bits to convert the shifted
3033 (replace_read): Allow the load and store to have different mode
3034 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3035 or extraction instructions before trying the replacement. Update
3036 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3038 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3040 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3041 to their natural alignment to avoid store forwarding stalls.
3043 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3046 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3047 encouraging but not allowing gprs for input;
3048 change the input constraint to !f#r.
3049 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3051 change the output constraint to !f#r.
3053 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3056 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3057 corresponding post-reload splitters.
3058 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3059 when x87 FP math is selected.
3060 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3061 New function prototype.
3062 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3063 unreachable function to ease macroization of insn patterns.
3065 2008-03-21 Martin Jambor <mjambor@suse.cz>
3067 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3068 reference dumps if ddr is NULL or dependence is unknown.
3070 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3072 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3073 unsigned extension into account.
3074 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3075 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3076 Do computations on a scratch register.
3078 2008-03-21 Richard Guenther <rguenther@suse.de>
3080 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3081 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3082 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3083 * tree-ssa-dom.c (record_equality): Likewise.
3084 * tree-inline.c (copy_body_r): Likewise.
3085 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3088 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3090 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3091 as 'delete_unused' argument.
3093 2008-03-20 Richard Guenther <rguenther@suse.de>
3095 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3096 special casing of constant qualifiers.
3097 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3098 care about them in general.
3099 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3100 regardless of their type.
3101 (fold_stmt_r): Forcefully fold *& if we end up with that.
3103 2008-03-20 Paul Brook <paul@codesourcery.com>
3105 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3106 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3108 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3110 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3111 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3113 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3115 * common.opt (Wmudflap): New option.
3116 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3117 (mx_register_decls): Likewise.
3118 (mudflap_finish_file): Likewise.
3119 * doc/invoke.texi: Document -Wno-mudflap.
3121 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3123 * c-format.c (replace_format_name_to_system_name): New.
3125 (convert_format_name_to_system_name): New.
3126 (decode_format_attr): Add use of convert_format_name_to_system_name.
3127 (format_types_orig): Add gnu_ prefix to names.
3128 (check_format_info_main): Special treating of \0 escaped names for
3129 supporting multi-character format specifiers as I32, I64.
3130 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3131 (gnu_target_overrides_format_attributes): New.
3132 * c-format.h: Add structure target_ovr_attr to hold
3133 system specific formatter names.
3134 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3135 msformat-c.o file to c_target_objs and cxx_target_objs.
3136 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3137 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3138 (TARGET_N_FORMAT_TYPES): New.
3139 * config/i386/msformat-c.c: New.
3140 * config/i386/t-cygming: Add build rule for msformat-c.o.
3141 * doc/extend.texi: Add new format names gnu_* and ms_* and
3143 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3145 2008-03-20 Ira Rosen <irar@il.ibm.com>
3147 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3148 optimizations turned on under -O3.
3149 (ftree-vectorize): Add that the flag is turned on with -O3.
3151 2008-03-20 Ben Elliston <bje@au.ibm.com>
3153 * regmove.c (try_auto_increment): Fix spelling error in comment.
3154 * final.c (final_scan_insn): Likewise.
3156 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3159 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3160 allocator preferences for "y" and "r" class registers.
3161 ("*mov<mode>_internal"): Ditto.
3162 ("*movv2sf_internal_rex64"): Ditto.
3163 ("*movv2sf_internal"): Ditto.
3165 2008-03-19 Michael Matz <matz@suse.de>
3168 * calls.c (expand_call): Check overlap of arguments with call
3169 address for sibcalls.
3171 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3174 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3175 of the underlying type of a MS bitfield layout to the natural
3176 alignment of the type.
3178 2008-03-19 Jan Hubicka <jh@suse.cz>
3181 * toplev.c (decode_d_option): Handle all CPP flags.
3182 * tree-vrp.c: Update tree_pass descriptors.
3183 * regrename.c: Update tree_pass descriptors.
3184 * fwprop.c: Update tree_pass descriptors.
3185 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3186 * tree-into-ssa.c: Update tree_pass descriptors.
3187 * tree-dump.c: Update tree_pass descriptors.
3188 * tree-complex.c: Update tree_pass descriptors.
3189 * tree-dump.h: Update tree_pass descriptors.
3190 * see.c: Update tree_pass descriptors.
3191 * cgraphbuild.c: Update tree_pass descriptors.
3192 * tracer.c: Update tree_pass descriptors.
3193 * tree-loop-distribution.c: Update tree_pass descriptors.
3194 * cgraph.c: Update tree_pass descriptors.
3195 * postreload-gcse.c: Update tree_pass descriptors.
3196 * postreload.c: Update tree_pass descriptors.
3197 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3198 * tree-tailcall.c: Update tree_pass descriptors.
3199 * tree-pass.h (tree_opt_pass): Rename to ...
3200 (opt_pass) ... this one; add "type" field and remove letter field.
3201 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3202 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3203 all_lowering_passes): Update declaration.
3204 * ipa-cp.c: Update tree_pass descriptors.
3205 * final.c: Update tree_pass descriptors.
3206 * omp-low.c: Update tree_pass descriptors.
3207 * tree-ssa-dse.c: Update tree_pass descriptors.
3208 * ipa-reference.c: Update tree_pass descriptors.
3209 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3210 * auto-inc-dec.c: Update tree_pass descriptors.
3211 * reorg.c: Update tree_pass descriptors.
3212 * cgraphunit.c: Update tree_pass descriptors.
3213 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3214 * tree-ssa-ccp.c: Update tree_pass descriptors.
3215 * df-core.c: Update tree_pass descriptors.
3216 * mode-switching.c: Update tree_pass descriptors.
3217 * tree-nomudflap.c: Update tree_pass descriptors.
3218 * modulo-sched.c: Update tree_pass descriptors.
3219 * ipa-pure-const.c: Update tree_pass descriptors.
3220 * cse.c: Update tree_pass descriptors.
3221 * web.c: Update tree_pass descriptors.
3222 * tree-stdarg.c: Update tree_pass descriptors.
3223 * tree-ssa-math-opts.c: Update tree_pass descriptors.
3224 * tree-ssa-dom.c: Update tree_pass descriptors.
3225 * tree-nrv.c: Update tree_pass descriptors.
3226 * tree-ssa-alias.c: Update tree_pass descriptors.
3227 * loop-init.c: Update tree_pass descriptors.
3228 * gimple-low.c: Update tree_pass descriptors.
3229 * ipa-inline.c: Update tree_pass descriptors.
3230 * tree-ssa-sink.c: Update tree_pass descriptors.
3231 * global.c: Update tree_pass descriptors.
3232 * ifcvt.c: Update tree_pass descriptors.
3233 * jump.c: Update tree_pass descriptors.
3234 * predict.c: Update tree_pass descriptors.
3235 * tree-ssa-loop.c: Update tree_pass descriptors.
3236 * recog.c: Update tree_pass descriptors.
3237 * dse.c: Update tree_pass descriptors.
3238 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3239 * tree-eh.c: Update tree_pass descriptors.
3240 * regmove.c: Update tree_pass descriptors.
3242 * function.c: Update tree_pass descriptors.
3243 * tree-vectorizer.c: Update tree_pass descriptors.
3244 * gcse.c: Update tree_pass descriptors.
3245 * ipa-type-escape.c: Update tree_pass descriptors.
3246 * tree-if-conv.c: Update tree_pass descriptors.
3247 * init-regs.c: Update tree_pass descriptors.
3248 * ipa.c: Update tree_pass descriptors.
3249 * tree-ssa-phiopt.c: Update tree_pass descriptors.
3250 * rtl-factoring.c: Update tree_pass descriptors.
3251 * lower-subreg.c: Update tree_pass descriptors.
3252 * bt-load.c: Update tree_pass descriptors.
3253 * tree-dfa.c: Update tree_pass descriptors.
3254 * except.c: Update tree_pass descriptors.
3255 * emit-rtl.c: Update tree_pass descriptors.
3256 * cfgexpand.c: Update tree_pass descriptors.
3257 * tree-cfgcleanup.c: Update tree_pass descriptors.
3258 * cfgcleanup.c: Update tree_pass descriptors.
3259 * tree-ssa-pre.c: Update tree_pass descriptors.
3260 * tree-sra.c: Update tree_pass descriptors.
3261 * tree-mudflap.c: Update tree_pass descriptors.
3262 * tree-ssa-copy.c: Update tree_pass descriptors.
3263 * cfglayout.c: Update tree_pass descriptors.
3264 * tree-ssa-forwprop.c: Update tree_pass descriptors.
3265 * tree-ssa-dce.c: Update tree_pass descriptors.
3266 * tree-ssa.c: Update tree_pass descriptors.
3267 * regclass.c: Update tree_pass descriptors.
3268 * integrate.c: Update tree_pass descriptors.
3269 * tree-optimize.c: Update tree_pass descriptors.
3270 * tree-ssa-phiprop.c: Update tree_pass descriptors.
3271 * tree-object-size.c: Update tree_pass descriptors.
3272 * combine.c: Update tree_pass descriptors.
3273 * tree-outof-ssa.c: Update tree_pass descriptors.
3274 * bb-reorder.c: Update tree_pass descriptors.
3275 * stack-ptr-mod.c: Update tree_pass descriptors.
3276 * var-tracking.c: Update tree_pass descriptors.
3277 * tree-profile.c: Update tree_pass descriptors.
3278 * tree-vect-generic.c: Update tree_pass descriptors.
3279 * reg-stack.c: Update tree_pass descriptors.
3280 * sched-rgn.c: Update tree_pass descriptors.
3281 * tree-ssa-structalias.c: Update tree_pass descriptors.
3282 * tree-cfg.c: Update tree_pass descriptors.
3283 * passes.c (current_pass): Update declaration.
3284 (finish_optimization_passes): Update.
3285 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
3286 (register_one_dump_file, register_dump_files_1, next_pass_1):
3288 (init_optimization_passes): Update handling of new types.
3289 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
3290 * ipa-struct-reorg.c: Update tree_pass descriptors.
3291 * tree-ssa-reassoc.c: Update tree_pass descriptors.
3292 * combine-stack-adj.c: Update tree_pass descriptors.
3293 * cfgrtl.c: Update tree_pass descriptors.
3294 * dce.c: Update tree_pass descriptors.
3295 * tree-ssanames.c: Update tree_pass descriptors.
3297 2008-03-19 Richard Guenther <rguenther@suse.de>
3300 * tree-ssa.c (walk_data): New structure.
3301 (warn_uninitialized_var): If not always_executed warn with "maybe"
3303 (execute_early_warn_uninitialized): Compute post-dominators.
3304 Initialize always_executed before processing each basic block.
3306 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
3309 * config/i386/i386.c (x86_this_parameter): Calculate correct location
3310 of "this" pointer when "regparm = N" or "fastcall" is in effect.
3312 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3314 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
3316 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
3318 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
3320 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
3321 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
3322 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
3323 target after ignore has been set, and move there also the commputation
3324 of subtarget and original_target.
3325 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
3326 (LANG_HOOKS_INITIALIZER): Remove it.
3327 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
3329 2008-03-18 Richard Guenther <rguenther@suse.de>
3331 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
3332 found an expression with constants, note that in the VN for the lhs.
3333 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
3334 fold them to constants if possible. Run cleanup_cfg if done so.
3335 (execute_pre): Return todo.
3337 (execute_fre): Likewise.
3338 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
3340 (get_prop_source_stmt): Look through pointer conversions.
3342 2008-03-18 Jan Hubicka <jh@suse.cz>
3344 * tree-pretty-print.c: Include predict.h.
3345 (dump_generic_node): Dump predictor.
3346 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
3347 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
3348 * gimple-low.c (lower_stmt): Likewise.
3349 * expr.c (expand_expr_real): Likewise.
3350 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
3352 (build_predict_expr, build_predict_expr): New.
3353 * predict.h (predictor_name, build_predict_expr): Update.
3354 * c-typeck.c (c_finish_bc_stmt): Add prediction.
3355 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
3356 * predict.def (PRED_CONTINUE): Update hitrate.
3357 * tree.def (PREDICT_EXPR): Define.
3358 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3359 do not handle BIND_EXPR.
3360 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3361 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3362 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3365 2008-03-18 Michael Matz <matz@suse.de>
3367 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3369 2008-03-18 Richard Guenther <rguenther@suse.de>
3371 * tree-gimple.h (is_gimple_invariant_address): Declare.
3372 (is_gimple_constant): Likewise.
3373 * tree-gimple.c (is_gimple_constant): New function.
3374 (is_gimple_invariant_address): Likewise.
3375 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3376 and is_gimple_invariant_address.
3377 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3379 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3380 an addressable base.
3382 2008-03-18 Jakub Jelinek <jakub@redhat.com>
3385 * gimplify.c (gimplify_expr): Gimplify second operand of
3388 2008-03-17 Richard Guenther <rguenther@suse.de>
3390 PR tree-optimization/19637
3391 * fold-const.c (fold_unary): Remove restrictions of removing
3392 intermediate pointer-conversions (P2)(P1)P0.
3393 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3394 conversion to void pointer.
3395 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3397 2008-03-16 James E. Wilson <wilson@tuliptree.org>
3400 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3401 emulated thread local variables.
3403 2008-03-16 Richard Guenther <rguenther@suse.de>
3406 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3407 expand TREE_INVARIANT operations that are not gimple invariant.
3409 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
3411 * doc/extend.texi (Alignment): Say that the ABI controls
3412 the __alignof__ for non-strict-alignment targets rather
3413 than being a recommendation.
3415 2008-03-15 Paul Brook <paul@codesourcery.com>
3417 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3419 (arm_output_fn_unwind): Mark functions that can not be unwound.
3421 2008-03-15 Paul Brook <paul@codesourcery.com>
3423 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3424 extension instructions.
3426 2008-03-15 Richard Guenther <rguenther@suse.de>
3428 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3429 and fold constant aggregate refs.
3430 (fold_const_aggregate_ref): Handle string constants
3431 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
3432 (evaluate_stmt): Simplify now that ccp_fold folds constant
3435 2008-03-15 Paul Brook <paul@codesourcery.com>
3437 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3438 (extzv): Use gen_extzv_t2.
3439 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3441 2008-03-15 Richard Guenther <rguenther@suse.de>
3443 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3444 (fold_const_aggregate_ref): Likewise.
3445 (get_value): Return NULL if we don't have any values.
3446 (ccp_finalize): Set const_val to NULL after freeing it.
3447 * tree-flow.h (get_symbol_constant_value): Declare.
3448 (fold_const_aggregate_ref): Likewise.
3449 * tree-ssa-sccvn.c (try_to_simplify): Use them.
3451 2008-03-15 Richard Guenther <rguenther@suse.de>
3454 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3455 to not produce negative array indices if not allowed. Add
3456 parameter to indicate that.
3457 (maybe_fold_offset_to_component_ref): Allow negative array
3458 indices only for the first member of a structure.
3459 (maybe_fold_offset_to_reference): Allow negative array indices.
3460 (maybe_fold_stmt_addition): Likewise.
3462 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
3463 Anatoly Sokolov <aesok@post.ru>
3465 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
3466 (avr_arch): Add ARCH_AVR6.
3467 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3468 (initial_elimination_offset): Initialize and use 'avr_pc_size'
3469 instead of fixed value 2.
3470 (print_operand_address): Use gs() asm specifier instead of pm().
3471 (avr_assemble_integer): (Ditto.).
3472 (avr_output_addr_vec_elt): (Ditto.).
3473 (print_operand): Handle "!" code.
3474 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
3475 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3476 (AVR_HAVE_EIJMP_EICALL): Define.
3477 (AVR_3_BYTE_PC): Redefine.
3478 (AVR_2_BYTE_PC): (Ditto.).
3479 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3480 (LINK_SPEC): Add atmega2560 and atmega2561.
3481 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3483 * config/avr/avr.md (call_insn): Use eicall instead of icall
3484 for 3 byte PC devices.
3485 (call_value_insn): (Ditto.).
3486 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3487 (indirect_jump): Use only for for 2 byte PC devices.
3488 (*tablejump): (Ditto.).
3489 (*indirect_jump_avr6): Add insn.
3490 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3491 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
3492 instead of ijmp for 3 byte PC devices.
3493 (__tablejump2__): (Ditto.).
3494 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3495 (MULITLIB_DIRNAMES): (Ditto.).
3496 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3498 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3500 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3501 "sse2_umulsidi3". Use V1DI mode for operand 0.
3502 ("mmx_psadbw"): Use V1DI mode for operand 0.
3503 * config/i386/i386-modes.def (V1SI): New vector mode.
3504 * config/i386/i386.c (struct builtin_description)
3505 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3506 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3507 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3508 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3509 v1di_ftype_v8qi_v8qi type.
3510 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3512 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3513 __builtin_ia32_pmuludq]: Fix the mode of return value.
3515 2008-03-15 Richard Guenther <rguenther@suse.de>
3518 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3521 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3523 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3524 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3525 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3526 unless TARGET_SERIALIZE_VOLATILE is enabled.
3527 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3528 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3529 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3531 2008-03-14 Richard Guenther <rguenther@suse.de>
3533 PR tree-optimization/34172
3534 * tree-flow.h (refs_may_alias_p): Declare.
3535 (get_single_def_stmt): Likewise.
3536 (get_single_def_stmt_from_phi): Likewise.
3537 (get_single_def_stmt_with_phi): Likewise.
3538 * tree-dfa.c (refs_may_alias_p): New function.
3539 (get_single_def_stmt): Likewise.
3540 (get_single_def_stmt_from_phi): Likewise.
3541 (get_single_def_stmt_with_phi): Likewise.
3542 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3543 (vn_reference_lookup_1): New helper function.
3544 (vn_reference_lookup): Walk the virtual use-def chain to
3545 continue searching for a match if the def does not alias the
3546 reference we are looking for.
3548 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3550 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3551 archive and Perzl. Update The Written Word listing.
3553 2008-03-14 Richard Guenther <rguenther@suse.de>
3555 PR tree-optimization/34043
3556 PR tree-optimization/33989
3557 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3559 (bitmap_find_leader): Use extra argument to verify dominance
3560 relationship inside a basic-block.
3561 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3562 (find_leader_in_sets): Adjust.
3563 (create_component_ref_by_pieces): Take extra argument for
3564 dominance check, handle lookup failures.
3565 (find_or_generate_expression): Likewise.
3566 (create_expression_by_pieces): Likewise.
3567 (insert_into_preds_of_block): Adjust.
3568 (create_value_expr_from): If asked for, verify all operands
3569 are in the blocks AVAIL_OUT set.
3570 (make_values_for_stmt): Check for SSA_NAMEs that are life
3571 over an abnormal edge.
3572 (compute_avail): Remove such check.
3573 (do_SCCVN_insertion): New function.
3574 (eliminate): If we do not find a leader suitable for replacement
3575 insert a replacement expression from SCCVN if available.
3576 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3577 (struct vn_ssa_aux): Add needs_insertion flag.
3578 * tree-ssa-sccvn.c (may_insert): New global flag.
3579 (copy_reference_ops_from_ref): Value-number union member access
3580 based on its size, not type and member if insertion is allowed.
3581 (visit_reference_op_load): For a weak match from union type
3582 punning lookup a view-converted value and insert a SSA_NAME
3583 for that value if that is not found.
3584 (visit_use): Make dumps shorter. Do not disallow value numbering
3585 SSA_NAMEs that are life over an abnormal edge to constants.
3586 (free_scc_vn): Release inserted SSA_NAMEs.
3587 (run_scc_vn): New flag to specify whether insertion is allowed.
3588 Process SSA_NAMEs in forward order.
3589 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3590 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3591 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3592 pointer type to/from integral types that do not change the
3593 precision to regular conversions.
3595 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3597 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3598 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3599 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3600 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3601 input arguments and the mode of return value. Built-in functions
3602 that operate on whole 64-bit MMX register now use V1DI mode.
3604 2008-03-13 Alon Dayan <alond@il.ibm.com>
3605 Olga Golovanevsky <olga@il.ibm.com>
3607 PR tree-optimization/35041
3608 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3609 to locate the right position in a statement.
3611 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3615 * config/i386/xmmintrin.h: Change all static inline functions to
3616 extern inline and add __gnu_inline__ attribute.
3617 * config/i386/bmintrin.h: Ditto.
3618 * config/i386/smmintrin.h: Ditto.
3619 * config/i386/tmmintrin.h: Ditto.
3620 * config/i386/mmintrin-common.h: Ditto.
3621 * config/i386/ammintrin.h: Ditto.
3622 * config/i386/emmintrin.h: Ditto.
3623 * config/i386/pmmintrin.h: Ditto.
3624 * config/i386/mmintrin.h: Ditto.
3625 * config/i386/mm3dnow.h: Ditto.
3627 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3630 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3631 (lower_omp_2): New function.
3632 (lower_omp_1, lower_omp): Rewritten.
3634 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3637 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3638 with the phrase "Microsoft Windows compilers".
3639 (Push/Pop Macro Pragmas): New subsection. Document
3640 #pragma push_macro and pragma pop_macro.
3642 2008-03-12 Paul Brook <paul@codesourcery.com>
3644 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3646 2008-03-12 Paul Brook <paul@codesourcery.com>
3648 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3649 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3650 (thumb2_addsi_shortim): Rename ...
3651 (thumb2_addsi_short): ... to this. Allow register operands.
3652 (thumb2_subsi_short): New pattern.
3653 (thumb2_one_cmplsi2_short,
3654 thumb2_negsi2_short): New patterns and peepholes.
3656 2008-03-12 Paul Brook <paul@codesourcery.com>
3658 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3660 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3662 * config/i386/i386.md (int_cond): New code iterator.
3664 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3665 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3666 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3667 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3668 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3669 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3670 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3671 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3673 2008-03-12 Paul Brook <paul@codesourcery.com>
3675 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3676 instead of {arm,thumb}_compute_save_reg_mask.
3677 (output_return_instruction): Ditto.
3678 (thumb_unexpanded_epilogue): Ditto.
3679 (thumb1_expand_prologue): Ditto.
3680 (thumb1_output_function_prologue): Ditto.
3681 (arm_set_return_address): Ditto.
3682 (thumb_set_return_address): Ditto.
3683 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3684 regs to achieve stack alignment.
3685 (thumb1_compute_save_reg_mask): Fix compiler warning.
3686 (arm_output_epilogue): Use offsets->saved_regs_mask.
3687 Adjust stack pointer by poping call clobered registers.
3688 (arm_expand_prologue): Use offsets->saved_regs_mask.
3689 Adjust stack pointer by pushing extra registers.
3690 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
3692 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
3695 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
3696 conversion to the operands of a multiplication.
3698 2008-03-12 Richard Guenther <rguenther@suse.de>
3700 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
3701 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
3702 * timevar.def (TV_TREE_PHIPROP): Add.
3703 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
3704 pass description. Use TV_TREE_PHIPROP.
3705 * tree-ssa-forwprop.c: Remove phiprop code.
3707 2008-03-12 Jakub Jelinek <jakub@redhat.com>
3710 * omp-low.c (maybe_lookup_decl): Constify first argument.
3711 (use_pointer_for_field): Change last argument from bool to
3712 omp_context *. Disallow shared copy-in/out in nested
3713 parallel if decl is shared in outer parallel too.
3714 (build_outer_var_ref, scan_sharing_clauses,
3715 lower_rec_input_clauses, lower_copyprivate_clauses,
3716 lower_send_clauses, lower_send_shared_vars): Adjust callers.
3718 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
3719 Ira Rosen <irar@il.ibm.com>
3721 * tree-vectorizer.c (free_stmt_vec_info): New function.
3722 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
3723 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
3724 * tree-vectorizer.h (free_stmt_vec_info): Declare.
3725 * tree-vect-transform.c (vectorizable_conversion): Free
3726 vec_oprnds0 if it was allocated.
3727 (vect_permute_store_chain): Remove unused VECs.
3728 (vectorizable_store): Free VECs that are allocated in the..
3730 (vect_transform_strided_load, vectorizable_load): Likewise.
3731 (vect_remove_stores): Simplify the code.
3732 (vect_transform_loop): Move code to vect_remove_stores().
3733 Call vect_remove_stores() and free_stmt_vec_info().
3735 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3737 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
3738 TARGET_HPUX. Revise comment.
3739 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
3740 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
3741 Use sr4 variant of `be' instruction when not generating PIC code.
3742 (attr_length_call): Adjust for above change.
3744 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3746 * ipa-reference.c (static_execute): Remove module_statics_const and
3747 associated setting code.
3749 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3752 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
3753 predicate for operand 1.
3754 (paritysi2_cmp): Use register_operand predicate for operand 2.
3755 Use earlyclobber modifier for operand 1. Remove support for
3757 (paritydi2_cmp): Use register_operand predicate for operand 3.
3758 Use earlyclobber modifier for operand 1. Remove support for
3761 2008-03-11 Paul Brook <paul@codesourcery.com>
3762 Vladimir Prus <vladimir@codesourcery.com>
3764 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
3765 (arm_compute_save_reg0_reg12_mask): Always
3766 check if register 11 must be saved. Always safe hard frame pointer
3767 when frame_pointer_needeed.
3768 (arm_compute_save_reg_mask): Save IP and PC
3769 only with apcs frames.
3770 (arm_output_epilogue): Adjust Thumb2 codepath to
3771 be also invoked and work for ARM non-apcs frames.
3772 (arm_expand_prologue): Don't bother saving IP
3773 for non-apcs frame, since it's not clobbered by
3774 prologue code. Implement non-apcs frame
3777 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3779 PR rtl-optimization/35281
3780 * expr.c (convert_move): Use a new pseudo for the intermediate
3781 from_mode->word_mode result.
3783 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
3785 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
3786 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
3787 * toplev.c (compile_file): Don't call it.
3789 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
3792 * expr.c (store_expr): Call emit_block_move if the mode
3793 of "temp" RTX is BLKmode.
3795 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3796 Richard Guenther <rguenther@suse.de>
3798 PR tree-optimization/31358
3799 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
3800 the step with a NULL_TREE.
3801 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
3802 to sizetype if type is a pointer type.
3803 (add_candidate_1): Don't convert the base and step to
3804 the generic type if the orginal type is a pointer type.
3805 (add_iv_value_candidates): Use sizetype for the step
3806 if type is a pointer type.
3807 (cand_value_at): Likewise.
3808 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
3810 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
3811 Don't convert the tem affine to the type.
3812 (add_elt_to_tree): Use sizetype for the step if a pointer.
3813 Use POINTER_PLUS_EXPR for pointers.
3814 (aff_combination_to_tree): Use sizetype for the step if a
3817 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
3819 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
3820 Remove commutativity hint.
3822 2008-03-10 Jakub Jelinek <jakub@redhat.com>
3826 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
3827 errorneous type. Check that v is a VAR_DECL.
3830 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
3832 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
3834 PR tree-optimization/35494
3835 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
3836 may be overriden at link and run time.
3838 2008-03-10 Richard Guenther <rguenther@suse.de>
3840 PR tree-optimization/34677
3841 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
3842 (poolify_tree): Likewise.
3843 (modify_expr_template): Likewise.
3844 (poolify_modify_stmt): Likewise.
3845 (insert_fake_stores): Handle all component-ref style stores
3846 in addition to INDIRECT_REF. Also handle complex types.
3847 Do not poolify the inserted load.
3848 (realify_fake_stores): Do not rebuild the tree but only
3849 make it a SSA_NAME copy.
3850 (init_pre): Remove initialzation of modify_expr_template.
3851 Do not allocate modify_expr_node_pool.
3852 (fini_pre): Do not free modify_expr_node_pool.
3854 2008-03-10 Paul Brook <paul@codesourcery.com>
3856 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
3859 2008-03-10 Paul Brook <paul@codesourcery.com>
3860 Mark Shinwell <shinwell@codesourcery.com>
3862 * config/arm/cortex-r4.md: New.
3863 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
3865 * config/arm/arm.md: Include cortex-r4.md.
3866 (insn): Add smmls, sdiv and udiv values.
3867 (generic_sched): Don't use generic scheduling for Cortex-R4.
3868 (arm_issue_rate): New function.
3869 (TARGET_SCHED_ISSUE_RATE): Define.
3871 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
3873 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
3875 2008-03-10 Richard Guenther <rguenther@suse.de>
3877 * tree-ssa-pre.c (get_sccvn_value): Simplify.
3878 (compute_avail): Do not add stmt uses to AVAIL_OUT.
3880 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
3882 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
3883 Set default to true.
3885 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3887 * c.opt (Wsynth): Deprecate.
3888 * doc/invoke.texi (Option Summary, Warning Options): Document
3889 -Wno-format-contains-nul.
3891 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
3894 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
3895 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
3897 2008-03-09 Ira Rosen <irar@il.ibm.com>
3899 * config/rs6000/rs6000.c (builtin_description): Rename vector
3900 left shift operations.
3901 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
3902 (altivec_vsl<VI_char>): Rename to ...
3903 (ashl<mode>3): ... new name.
3904 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
3906 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
3908 2008-03-08 Richard Guenther <rguenther@suse.de>
3910 * coverage.h (tree_coverage_counter_addr): Declare.
3911 * coverage.c (tree_coverage_counter_addr): New function.
3912 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
3914 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
3915 (tree_gen_one_value_profiler): Likewise.
3916 (tree_gen_ic_profiler): Likewise.
3917 (tree_gen_average_profiler): Likewise.
3918 (tree_gen_ior_profiler): Likewise.
3920 2008-03-08 Richard Guenther <rguenther@suse.de>
3922 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
3923 (vn_binary_op_insert): Likewise.
3924 (vn_unary_op_lookup): Likewise.
3925 (vn_unary_op_insert): Likewise.
3926 (vn_nary_op_lookup): Declare.
3927 (vn_nary_op_insert): Likewise.
3928 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
3929 and binary hashes, use a single obstack for unary_op_pool
3931 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
3932 a single struct vn_nary_op_s. Store tree code length and
3933 a variable number of operands.
3934 (struct vn_reference_op_struct): Remove unused op2.
3935 (vn_reference_op_eq): Do not compare op2.
3936 (vn_reference_op_compute_hash): Do not compute hash of op2.
3937 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
3938 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
3939 with vn_nary_op_compute_hash.
3940 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
3941 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
3943 (vn_unary_op_insert, vn_binary_op_insert): Replace with
3945 (visit_unary_op): Call nary functions.
3946 (visit_binary_op): Likewise.
3947 (process_scc): Adjust for struct vn_tables_s changes.
3948 (allocate_vn_table): Likewise.
3949 (free_vn_table): Likewise.
3950 * tree-vn.c (vn_add): Call nary functions.
3951 (vn_lookup): Likewise.
3953 2008-03-08 Jakub Jelinek <jakub@redhat.com>
3956 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
3957 wdst back after sync_compare_and_swapqhi_internal.
3959 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
3962 * config/i386/i386-modes.def (V1DI): New vector mode.
3963 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
3964 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
3965 (MMXMODE248): Ditto.
3966 (MMXMODE): Add V1DI mode.
3967 (mmxvecsize): Change DI mode to V1DI mode.
3968 ("mov<mode>): Use MMXMODEI8 mode iterator.
3969 ("*mov<mode>_internal_rex64"): Ditto.
3970 ("*mov<mode>_internal"): Ditto.
3971 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
3972 ("mmx_sub<mode>3"): Ditto.
3973 ("mmx_adddi3"): Remove insn pattern.
3974 ("mmx_subdi3"): Ditto.
3975 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
3976 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
3977 ("mmx_ashl<mode>3"): Ditto.
3978 ("mmx_lshrdi3"): Remove insn pattern.
3979 ("mmx_ashldi3"): Ditto.
3980 * config/i386/i386.c (classify_argument): Handle V1DImode.
3981 (function_arg_advance_32): Ditto.
3982 (function_arg_32): Ditto.
3983 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
3984 mmx_addv1di3 insn pattern.
3985 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
3986 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
3987 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
3988 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
3989 Remove definitions of built-in functions.
3990 (V1DI_type_node): New node.
3991 (v1di_ftype_v1di_int): Ditto.
3992 (v1di_ftype_v1di_v1di): Ditto.
3993 (v2si_ftype_v2si_si): Ditto.
3994 (v4hi_ftype_v4hi_di): Remove node.
3995 (v2si_ftype_v2si_di): Ditto.
3996 (ix86_init_mmx_sse_builtins): Handle V1DImode.
3997 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
3998 Redefine builtins using def_builtin_const with *_ftype_*_int node.
3999 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4000 Add new builtins using def_builtin_const.
4001 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4002 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4003 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4004 * config/i386/mmintrin.h (__v1di): New typedef.
4005 (_mm_add_si64): Cast arguments to __v1di type.
4006 (_mm_sub_si64): Ditto.
4007 (_mm_sll_pi16): Cast __count to __v4hi type.
4008 (_mm_sll_pi32): Cast __count to __v2si type.
4009 (_mm_sll_si64): Cast arguments to __v1di type.
4010 (_mm_srl_pi16): Cast __count to __v4hi type.
4011 (_mm_srl_pi32): Cast __count to __v2si type.
4012 (_mm_srl_si64): Cast arguments to __v1di type.
4013 (_mm_sra_pi16): Cast __count to __v4hi type.
4014 (_mm_sra_pi32): Cast __count to __v2si type.
4015 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4016 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4017 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4018 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4019 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4020 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4021 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4022 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4023 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4024 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4025 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4026 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4028 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4030 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4032 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4035 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4036 reg+const addressing for Altivec modes. Don't generate reg+reg
4037 addressing for TFmode or TDmode quantities.
4039 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4041 * c-common.c (vector_types_convertible_p): Call langhook
4042 instead of comptypes.
4044 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4047 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4048 integral and scalar float variables which have a
4051 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4053 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4054 dwarf_register_span hook when emitting unwind information for
4055 register-to-memory saves.
4056 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4057 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4059 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4061 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4062 for the same VAR_DECL.
4064 2008-03-06 Tom Tromey <tromey@redhat.com>
4067 * doc/standards.texi (Standards): Don't mention treelang.
4068 * doc/invoke.texi (Overall Options): Don't mention treelang.
4069 * doc/install.texi (Prerequisites): Don't mention bison or
4071 (Configuration): Don't mention treelang.
4072 (Building): Likewise.
4073 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4075 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4077 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4078 word-extractions out of a multi-word object.
4080 2008-03-06 Richard Guenther <rguenther@suse.de>
4082 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4083 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4084 result type and precision.
4085 * expr.c (get_inner_reference): Set unsignedp based on the result
4086 type of BIT_FIELD_REF.
4087 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4088 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4089 (try_instantiate_multiple_fields): Likewise. Use the correct type
4091 (sra_build_assignment): Likewise.
4092 (sra_build_elt_assignment): Likewise.
4093 (sra_explode_bitfield_assignment): Likewise.
4094 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4095 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4096 set BIT_FIELD_REF_UNSIGNED.
4097 (vectorizable_load): Likewise.
4099 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4101 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4104 2008-03-06 Richard Guenther <rguenther@suse.de>
4106 * alias.c (struct alias_set_entry): Move has_zero_child field
4107 to pack with alias_set.
4109 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4111 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4114 2008-03-05 Ian Lance Taylor <iant@google.com>
4116 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4118 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4120 * fwprop.c (update_df): Support width and offset parameters of
4122 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4123 global_conflicts): Change DF_REF_EXTRACT to either
4124 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4125 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4126 * df-scan.c (df_ref_record, df_defs_record,
4127 df_ref_create_structure, df_def_record_1, df_uses_record,
4128 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4129 df_bb_refs_collect, df_entry_block_defs_collect,
4130 df_exit_block_uses_collect): Support new width and offset fields.
4131 (ref_extract_pool): New storage pool.
4132 (df_free_ref): New function.
4133 (df_reg_chain_unlink, df_free_collection_rec,
4134 df_sort_and_compress_refs): Call df_free_ref.
4135 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4137 (df_ref_create_structure): Allocate df_ref_extract if offset and
4138 width fields are used.
4139 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4140 (df_uses_record): Get offset and width from ZERO_EXTRACT
4142 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4143 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4144 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4145 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4146 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4147 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4148 (df_ref_extract): New structure.
4149 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4150 (df_ref_create): Add width and offset parameters.
4152 2008-03-05 Richard Guenther <rguenther@suse.de>
4154 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4155 Use ranges_overlap_p.
4156 (offset_overlaps_with_access): Rename
4157 to ranges_overlap_p and move ...
4158 * tree-flow-inline.h (ranges_overlap_p): ... here.
4160 * tree.h (get_inner_reference, handled_component_p): Update
4163 * tree.h (record_component_aliases, get_alias_set,
4164 alias_sets_conflict_p, alias_sets_must_conflict_p,
4165 objects_must_conflict_p): Move declarations ...
4166 * alias.h (record_component_aliases, get_alias_set,
4167 alias_sets_conflict_p, alias_sets_must_conflict_p,
4168 objects_must_conflict_p): ... here.
4169 Include coretypes.h.
4170 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4172 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4174 * cfg.c: Include tree-flow.h.
4175 (remove_edge_raw): Call redirect_edge_var_map_clear.
4176 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4177 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4178 (redirect_edge_var_map_result): New.
4179 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4180 PENDING_STMT use with redirect_edge_var_map_*.
4181 * tree-ssa.c (edge_var_maps): New definition.
4182 (redirect_edge_var_map_add): New.
4183 (redirect_edge_var_map_clear): New.
4184 (redirect_edge_var_map_dup): New.
4185 (redirect_edge_var_map_vector): New.
4186 (redirect_edge_var_map_destroy): New.
4187 (ssa_redirect_edge): Replace PENDING_STMT use with
4188 redirect_edge_var_map_*.
4189 (flush_pending_stmts): Same.
4190 (delete_tree_ssa): Destroy edge var map.
4191 * tree-flow.h (struct _edge_var_map): New.
4192 Define edge_var_map vector type.
4193 Declare redirect_edge_var_map_* prototypes.
4194 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4195 * tree-cfg.c (reinstall_phi_args): Replace
4196 PENDING_STMT use with redirect_edge_var_map_*.
4198 2008-03-05 Richard Guenther <rguenther@suse.de>
4200 PR tree-optimization/35472
4201 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4202 whose single use_stmt has a overlapping set of loaded and
4203 stored symbols as that use_stmt might be a noop assignment then.
4205 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4207 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4209 2008-03-05 Richard Guenther <rguenther@suse.de>
4212 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4213 should be constants.
4214 * tree-cfg.c (verify_expr): Verify it.
4215 * fold-const.c (fold_truthop): Remove code generating
4216 BIT_FIELD_REFs of structure bases.
4217 (fold_binary): Likewise.
4218 (fold_ternary): Position and size of BIT_FIELD_REFs are
4219 always host integers.
4220 (make_bit_field_ref): Remove.
4221 (optimize_bit_field_compare): Remove.
4222 (all_ones_mask_p): Remove.
4224 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
4227 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4228 (split_block_and_df_analyze): New. Split basic block and rebuild
4230 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4232 (split_pattern_seq): Likewise.
4233 (erase_matching_seqs): Likewise.
4234 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4236 2008-03-04 Geoff Keating <geoffk@apple.com>
4238 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4239 declaration and code.
4240 (tree_invalid_nonnegative_warnv_p): Likewise.
4242 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4244 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4245 examples. Truncate option-names then causing overfull hbox.
4247 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4250 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4252 * configure: Rebuilt.
4254 2008-03-04 Rafael Espindola <espindola@google.com>
4256 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4257 (tree_unary_nonnegative_warnv_p): New.
4258 (tree_binary_nonnegative_warnv_p): New.
4259 (tree_single_nonnegative_warnv_p): New.
4260 (tree_invalid_nonnegative_warnv_p): New.
4261 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4263 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4266 * opts.c (handle_option): Postpone 'unknown option' errors only for
4269 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
4272 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4275 2008-03-04 Rafael Espindola <espindola@google.com>
4277 * fold-const.c (tree_unary_nonzero_warnv_p): New.
4278 (tree_binary_nonzero_warnv_p): New.
4279 (tree_single_nonzero_warnv_p): New.
4280 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4282 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
4285 * fold-const.c (fold_cond_expr_with_comparison): Prevent
4286 transformations for modes that have signed zeros.
4287 * ifcvt.c (noce_try_abs): Ditto.
4289 2008-03-04 Joseph Myers <joseph@codesourcery.com>
4291 * config/i386/i386.c (override_options): Force
4292 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
4294 2008-03-04 Jan Hubicka <jh@suse.cz>
4297 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
4300 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4302 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
4303 label to probe the stack.
4305 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4307 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
4308 (__gthr_win32_mutex_destroy): Declare.
4309 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
4310 __gthr_win32_mutex_destroy.
4311 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
4313 2008-03-03 Jan Hubicka <jh@suse.cz>
4316 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
4317 aggressive on inlining cold calls.
4319 2008-03-03 Richard Guenther <rguenther@suse.de>
4321 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
4322 struct copies into the expression table.
4323 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
4324 (try_to_simplify): Likewise.
4325 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
4326 integral and pointer arguments which do not change the
4327 precision to NOP_EXPRs.
4328 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
4329 VIEW_CONVERT_EXPR case.
4331 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
4333 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4334 defined in a loop at depth 0 is invariant.
4335 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4336 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4337 be called at loop depth 0.
4339 2008-03-02 Jakub Jelinek <jakub@redhat.com>
4342 * gcc.c (process_command): Update copyright notice dates.
4343 * gcov.c (print_version): Likewise.
4344 * gcov-dump.c (print_version): Likewise.
4345 * mips-tfile.c (main): Likewise.
4346 * mips-tdump.c (main): Likewise.
4348 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4351 * c-common.c (flag_permissive): Delete.
4352 (constant_expression_warnings): Check flags first.
4353 (constant_expression_error): New.
4354 * c-common.h (flag_permissive): Delete.
4355 (constant_expression_error): Declare.
4356 * flags.h (flag_permissive): Declare. Update description.
4357 * diagnostic.c (pedwarn): Update.
4359 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4360 (permissive_error_kind): New.
4361 * toplev.c (flag_permissive): Define. Update description.
4362 * toplev.h (permissive_error_kind): Declare.
4363 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4364 (pedwarn_c90): Use pedantic_warning_kind.
4365 * c-opts.c (c_common_post_options): flag_permissive does not affect
4366 flag_pedantic_errors.
4368 2008-03-02 Joseph Myers <joseph@codesourcery.com>
4370 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4371 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4372 __absvsi2, __absvDI2): Use unsigned arithmetic.
4374 2008-03-02 Andi Kleen <ak@suse.de>
4375 Richard Guenther <rguenther@suse.de>
4377 * struct-equiv.c: Remove file.
4378 * cfg_cleanup.c (condjump_equiv_p): Remove.
4379 * Makefile.in (OBJS-common): Remove struct-equiv.o.
4380 (struct-equiv.o): Remove rule.
4381 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4382 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
4383 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4385 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4387 * ifcvt.c (noce_process_if_block): Try to handle only the then
4388 block if the else block exists but isn't suitable.
4390 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4393 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4394 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4395 regression from previous patch.
4397 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4400 * gthr.h: Add __gthread_mutex_destroy as a function that must be
4402 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4403 * gthr-single.h (__gthread_mutex_destroy): Likewise.
4404 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4405 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4406 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4407 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4408 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4409 (__gthread_mutex_destroy_function): Rename to
4410 __gthread_mutex_destroy.
4411 * gthr-dce.h (__gthread_mutex_destroy): Call
4412 pthread_mutex_destroy.
4413 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4414 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4415 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4417 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4419 * df-scan.c (df_ref_chain_change_bb): Simplify.
4420 (df_insn_change_bb): Add new_bb argument. Simplify. Call
4421 set_block_for_insn if there's any change.
4422 * df.h ((df_insn_change_bb): Fix prototype.
4423 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4424 df_insn_change_bb, don't call set_block_for_insn.
4425 * emit-rtl.c (reorder_insns): Likewise.
4426 * haifa-sched.c (move_insn): Likewise.
4428 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4430 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4432 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4434 * tree-flow-inline.h (next_readonly_imm_use): Return
4435 NULL_USE_OPERAND_P after the end.
4437 2008-03-01 Richard Guenther <rguenther@suse.de>
4439 PR tree-optimization/35411
4440 * tree-sra.c (sra_build_assignment): Split conversion to
4441 final type to a separate statement if we are not assigning
4444 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4446 * fold-const.c (fold_convertible_p): Correct the logic to follow
4447 that in fold_convert().
4449 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
4452 * tree-inline.c (build_duplicate_type): When we make a
4453 duplicate type, make it unique in the canonical types system.
4455 2008-02-29 Tom Tromey <tromey@redhat.com>
4457 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4458 input_file_stack_history, input_file_stack_restored): Remove.
4459 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4460 * input.h (struct file_stack): Remove.
4461 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4462 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4464 * diagnostic.h (struct diagnostic_context) <last_module>: Change
4466 (diagnostic_last_module_changed): Add 'map' argument.
4467 (diagnostic_set_last_function): Likewise.
4468 * diagnostic.c (undiagnostic_report_current_module): Iterate using
4469 line map, not input_file_stack.
4470 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4472 2008-02-29 Paul Brook <paul@codesourcery.com>
4474 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4476 2008-02-29 Paul Brook <paul@codesourcery.com>
4478 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4480 2008-02-29 Richard Guenther <rguenther@suse.de>
4482 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4484 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4485 value for comparing for a store match.
4486 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4487 (try_to_simplify): Do not do a full-blown reference lookup.
4489 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4491 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4492 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4494 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4496 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4498 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4499 strides against cache sizes.
4501 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4503 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4506 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4508 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4509 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4510 is smaller than the original promoted value.
4511 (simplify_subreg): If OP is a SUBREG, try to preserve its
4512 SUBREG_PROMOTED_VAR_P information.
4514 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4516 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4517 (VN_INFO_GET): Allocate new objects on the obstack.
4518 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4519 for rpo_numbers_temp, for consistency.
4520 (free_scc_vn): Free the obstack.
4522 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4524 * doc/invoke.texi: Document -ftree-loop-distribution.
4525 * tree-loop-distribution.c: New.
4526 * tree-pass.h (pass_loop_distribution): New.
4527 * graphds.h (struct graph): Add htab_t indices.
4528 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4529 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4530 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4531 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4532 * tree-data-ref.c (debug_data_dependence_relations): New.
4533 (dump_data_dependence_relation): Also print data references.
4534 (free_data_ref): Extern.
4535 (same_access_functions): Moved...
4536 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4537 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4538 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4539 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4540 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4541 (stmts_from_loop): Skip LABEL_EXPR.
4542 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4544 (build_rdg): Initialize rdg->indices htab.
4545 (free_rdg, stores_from_loop, ref_base_address,
4546 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4547 have_similar_memory_accesses_1, ref_base_address_1,
4548 remove_similar_memory_refs): New.
4549 * tree-data-ref.h: Depend on tree-chrec.h.
4550 (debug_data_dependence_relations, free_data_ref): Declared.
4551 (same_access_functions): ... here.
4552 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4554 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4555 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4556 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4557 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4558 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4559 rdg_vertex_for_stmt): Declared.
4560 (struct rdg_edge): Add level.
4562 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4563 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4565 (rdg_has_similar_memory_accesses): New.
4566 * tree-vect-analyze.c: Remove unused static decls.
4567 * lambda.h (dependence_level): New.
4568 * common.opt (ftree-loop-distribution): New.
4569 * tree-flow.h (mark_virtual_ops_in_bb,
4570 slpeel_tree_duplicate_loop_to_edge_cfg,
4571 rename_variables_in_loop): Declared.
4572 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4573 (OBJS-common): Add tree-loop-distribution.o.
4574 (tree-loop-distribution.o): New rule.
4575 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4576 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4577 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4579 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4582 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4583 other than structures and unions.
4585 2008-02-28 Richard Guenther <rguenther@suse.de>
4588 2008-02-26 Richard Guenther <rguenther@suse.de>
4590 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4591 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4592 (lookup_decl_from_uid): Declare.
4593 (remove_decl_from_map): Likewise.
4594 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4595 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4596 (decl_for_uid_map): New global hashtable mapping DECL_UID
4598 (init_ttree): Allocate it.
4599 (insert_decl_to_uid_decl_map): New helper function.
4600 (make_node_stat): Insert new decls into the map.
4601 (copy_node_stat): Likewise.
4602 (lookup_decl_from_uid): New function.
4603 (remove_decl_from_map): Likewise.
4604 (print_decl_for_uid_map_statistics): New helper.
4605 (dump_tree_statistics): Call it.
4607 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4608 (referenced_var_iterator): Adjust.
4609 (FOR_EACH_REFERENCED_VAR): Adjust.
4610 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4611 (num_referenced_vars): Adjust.
4612 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4613 (first_referenced_var): Remove.
4614 (end_referenced_vars_p): Likewise.
4615 (next_referenced_var): Likewise.
4616 (referenced_var_iterator_set): New helper function.
4617 * tree-dfa.c (referenced_var_lookup): Adjust.
4618 (referenced_var_check_and_insert): Likewise.
4619 (remove_referenced_var): Likewise.
4620 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4621 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4622 (verify_call_clobbering): Likewise.
4623 (verify_memory_partitions): Likewise.
4624 (init_tree_ssa): Allocate bitmap instead of hashtable for
4626 (delete_tree_ssa): Adjust.
4627 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4628 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4629 (compute_tag_properties): Likewise.
4630 (set_initial_properties): Likewise.
4631 (find_partition_for): Likewise.
4632 (update_reference_counts): Likewise.
4633 (dump_may_aliases_for): Likewise.
4634 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4635 (add_call_clobber_ops): Likewise.
4636 (add_call_read_ops): Likewise.
4637 (get_asm_expr_operands): Likewise.
4638 * tree-into-ssa.c (dump_decl_set): Likewise.
4639 (update_ssa): Likewise.
4640 * tree-sra.c (scan_function): Likewise.
4641 (decide_instantiations): Likewise.
4642 (scalarize_parms): Likewise.
4643 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4644 (dsa_named_for): Likewise.
4645 * tree-ssa-structalias.c (update_alias_info): Likewise.
4646 (merge_smts_into): Likewise.
4648 2008-02-27 David Daney <ddaney@avtrex.com>
4651 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4652 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4653 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4654 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4655 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4657 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4660 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4661 (BUILT_IN_NEXTTOWARD): Remove.
4662 (BUILT_IN_NEXTTOWARDF): Ditto.
4663 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4664 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4666 2008-02-27 Tom Tromey <tromey@redhat.com>
4668 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4669 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4671 2008-02-27 Jan Beulich <jbeulich@novell.com>
4673 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4674 update the respective field on newdecl.
4676 2008-02-27 Revital Eres <eres@il.ibm.com>
4678 PR rtl-optimization/34999
4679 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4680 crossing edges that ends with a call insn.
4681 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4682 call insn and clear the EDGE_CROSSING flag of the crossing edge
4683 when fixing fallthru edges.
4685 2008-02-27 Richard Guenther <rguenther@suse.de>
4688 * fold-const.c (fold_unary): Return the correct argument,
4689 converted to the result type.
4691 2008-02-27 Richard Guenther <rguenther@suse.de>
4694 * expr.c (expand_expr_real_1): Assert on rotates that operate
4696 * fold-const.c (fold_binary): Use the types precision, not the
4697 bitsize of the mode if folding rotate expressions. Build rotates
4698 only for full modes.
4700 2008-02-27 Jakub Jelinek <jakub@redhat.com>
4702 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
4704 * c-pragma.c (pragma_ns_name): New typedef.
4705 (registered_pp_pragmas): New variable.
4706 (c_pp_lookup_pragma): New function.
4707 (c_register_pragma_1): If flag_preprocess_only, do nothing
4708 for non-expanded pragmas, for expanded ones push pragma's
4709 namespace and name into registered_pp_pragmas vector.
4710 (c_invoke_pragma_handler): Register OpenMP pragmas even when
4711 flag_preprocess_only, don't register GCC pch_preprocess
4712 pragma if flag_preprocess_only.
4713 * c-opts.c (c_common_init): Call init_pragma even if
4714 flag_preprocess_only.
4715 * c-pragma.c (c_pp_lookup_pragma): New prototype.
4716 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
4717 cpp_register_pragma if flag_preprocess_only.
4719 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4722 * c-parser.c (c_parser_translation_unit): Warn for empty
4723 translation unit, not empty source file.
4725 2008-02-26 Paul Brook <paul@codesourcery.com>
4727 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
4728 operand for Thumb-2.
4729 * config/arm/arm.h (reg_class): Add CORE_REGS.
4730 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
4731 (BASE_REG_CLASS): Use CORE_REGS.
4732 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
4733 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
4734 (REGNO_OK_FOR_INDEX_P): Exclude SP.
4735 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
4736 ARM_REGNO_OK_FOR_INDEX_P.
4737 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
4738 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
4739 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
4740 (ldm/stm peepholes): Ditto.
4741 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
4742 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
4743 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
4744 * config/arm/constraints.md: Enable "k" constraint on ARM.
4746 2008-02-27 Ben Elliston <bje@au.ibm.com>
4748 * config/rs6000/rs6000.c: Annotate cache line size field in all
4749 instances of struct processor_costs.
4751 2008-02-26 David Edelsohn <edelsohn@gnu.org>
4753 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
4754 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
4755 jump_bypass): New counters.
4756 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
4757 * dce.c (gate_ud_dce): Same.
4758 (gate_fast_dce): Same.
4759 * dse.c (gate_dse1): New function.
4760 (gate_dse2): New function.
4761 (gate_dse): Merge results of new gate functions.
4762 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
4763 (gate_handle_jump_bypass): Add dbg_cnt.
4764 (gate_handle_gcse): Add dbg_cnt.
4765 * ifcvt.c (gate_handle_if_conversion): Same.
4766 (gate_handle_if_after_combine): Same.
4767 (gate_handle_if_after_reload): Same.
4768 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
4770 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
4772 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
4774 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
4776 2008-02-26 Jason Merrill <jason@redhat.com>
4779 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
4780 alone if it's the naming decl for the type's main variant.
4782 2008-02-26 Tom Tromey <tromey@redhat.com>
4784 * system.h (USE_MAPPED_LOCATION): Poison.
4785 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
4786 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
4787 (make_goto_expr_edges): Likewise.
4788 (remove_bb): Likewise.
4789 (execute_warn_function_return): Likewise.
4790 * basic-block.h (struct edge_def) <goto_locus>: Change type to
4792 * c-common.c (fname_decl): Remove old location code.
4793 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
4795 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
4797 (ASM_INPUT_SOURCE_LOCATION): Likewise.
4798 (gen_rtx_ASM_INPUT): Likewise.
4799 (gen_rtx_ASM_INPUT_loc): Likewise.
4800 (get_rtx_asm_OPERANDS): Remove.
4801 * cfglayout.c (insn_locators_alloc): Remove old location code.
4802 (set_curr_insn_source_location): Likewise.
4803 (curr_insn_locator): Likewise.
4804 * print-tree.c (print_node): Remove old location code.
4805 * tree-mudflap.c (mf_varname_tree): Remove old location code.
4806 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
4807 * cfgexpand.c (expand_gimple_cond_expr): Don't use
4808 location_from_locus.
4809 (construct_exit_block): Remove old location code.
4810 * emit-rtl.c (force_next_line_note): Remove old location code.
4811 * profile.c (branch_prob): Remove old location code.
4812 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
4813 LOC_LINE): Remove old-location variants.
4814 * langhooks.c (lhd_print_error_function): Remove old location
4816 * configure, config.in: Rebuilt.
4817 * configure.ac (--enable-mapped-location): Remove.
4818 * c-decl.c (c_init_decl_processing): Remove old location code.
4819 (finish_function): Likewise.
4820 * recog.c (decode_asm_operands): Remove old location code.
4821 * c-pch.c (c_common_read_pch): Remove old location code.
4822 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
4824 * gimple-low.c (lower_function_body): Remove old location code.
4825 * toplev.c (unknown_location): Remove.
4826 (push_srcloc): Remove old-location variant.
4827 (process_options): Remove old location code.
4828 (lang_dependent_init): Likewise.
4829 * input.h (UNKNOWN_LOCATION): Move definition.
4830 (location_t): Undeprecate.
4831 (source_locus): Remove.
4832 (location_from_locus): Remove.
4833 (struct location_s): Remove.
4834 Remove all old-location code.
4835 (input_line, input_filename): Remove.
4836 * final.c (final_scan_insn): Remove old location code.
4837 * diagnostic.c (diagnostic_build_prefix): Remove
4838 USE_MAPPED_LOCATION test.
4839 * tree.h (gimple_stmt) <locus>: Now a location_t.
4840 (tree_exp) <locus>: Likewise.
4841 (DECL_IS_BUILTIN): Remove old-location variant.
4842 (annotate_with_file_line, annotate_with_locus): Likewise.
4843 (expr_locus, set_expr_locus): Update.
4844 * tree.c (build1_stat): Remove old location code.
4845 (last_annotated_node): Remove.
4846 (annotate_with_file_line): Remove old-location variant.
4847 (annotate_with_locus): Likewise.
4848 (expr_location): Remove old location code.
4849 (set_expr_location): Likewise.
4850 (expr_has_location): Likewise.
4851 (expr_locus): Likewise.
4852 (set_expr_locus): Likewise.
4853 (expr_filename): Don't use location_from_locus.
4854 (expr_lineno): Likewise.
4855 * rtl-error.c (location_for_asm): Remove old location code.
4856 * c-lex.c (cb_line_change): Remove old location code.
4857 (fe_file_change): Likewise.
4858 (cb_def_pragma): Likewise.
4859 (c_lex_with_flags): Likewise.
4860 * gengtype.c (do_typedef): Don't special-case location types.
4861 (define_location_structures): Remove.
4862 (main): Don't call define_location_structures.
4863 * tree-pretty-print.c (dump_implicit_edges): Remove old location
4866 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4869 * builtins.def (BUILT_IN_STDARG_START): Remove.
4870 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
4871 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
4872 * tree-inline.c (inline_forbidden_p_1): Likewise.
4874 2008-02-26 Richard Guenther <rguenther@suse.de>
4876 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4877 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4878 (lookup_decl_from_uid): Declare.
4879 (remove_decl_from_map): Likewise.
4880 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4881 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4882 (decl_for_uid_map): New global hashtable mapping DECL_UID
4884 (init_ttree): Allocate it.
4885 (insert_decl_to_uid_decl_map): New helper function.
4886 (make_node_stat): Insert new decls into the map.
4887 (copy_node_stat): Likewise.
4888 (lookup_decl_from_uid): New function.
4889 (remove_decl_from_map): Likewise.
4890 (print_decl_for_uid_map_statistics): New helper.
4891 (dump_tree_statistics): Call it.
4893 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4894 (referenced_var_iterator): Adjust.
4895 (FOR_EACH_REFERENCED_VAR): Adjust.
4896 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4897 (num_referenced_vars): Adjust.
4898 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4899 (first_referenced_var): Remove.
4900 (end_referenced_vars_p): Likewise.
4901 (next_referenced_var): Likewise.
4902 (referenced_var_iterator_set): New helper function.
4903 * tree-dfa.c (referenced_var_lookup): Adjust.
4904 (referenced_var_check_and_insert): Likewise.
4905 (remove_referenced_var): Likewise.
4906 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4907 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4908 (verify_call_clobbering): Likewise.
4909 (verify_memory_partitions): Likewise.
4910 (init_tree_ssa): Allocate bitmap instead of hashtable for
4912 (delete_tree_ssa): Adjust.
4913 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4914 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4915 (compute_tag_properties): Likewise.
4916 (set_initial_properties): Likewise.
4917 (find_partition_for): Likewise.
4918 (update_reference_counts): Likewise.
4919 (dump_may_aliases_for): Likewise.
4920 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4921 (add_call_clobber_ops): Likewise.
4922 (add_call_read_ops): Likewise.
4923 (get_asm_expr_operands): Likewise.
4924 * tree-into-ssa.c (dump_decl_set): Likewise.
4925 (update_ssa): Likewise.
4926 * tree-sra.c (scan_function): Likewise.
4927 (decide_instantiations): Likewise.
4928 (scalarize_parms): Likewise.
4929 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4930 (dsa_named_for): Likewise.
4931 * tree-ssa-structalias.c (update_alias_info): Likewise.
4932 (merge_smts_into): Likewise.
4934 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4937 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
4938 * c-opts.c (c_common_handle_option): Wall enables
4939 Wvolatile-register-var.
4940 * common.opt: Move Wvolatile-register-var to...
4943 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4945 * common.opt (Wlarger-than=): New.
4946 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
4948 * opts.c (common_handle_option): Handle -Wlarger-than=.
4949 * optc-gen.awk: Likewise.
4950 * opth-gen.awk: Likewise.
4951 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
4952 * tree-optimize.c (tree_rest_of_compilation): Likewise.
4954 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4956 * c-common.c (match_case_to_enum_1): Add appropriate
4957 OPT_W* parameter to warning.
4958 (c_do_switch_warnings): Likewise.
4959 * c-typeck.c (warning_init): Add one more parameter following
4961 (push_init_level): Update call to warning_init.
4962 (pop_init_level): Likewise.
4963 (add_pending_init): Likewise.
4964 (output_init_element: Likewise.
4966 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4969 * toplev.c (toplev_main): If there are warnings or error, print
4970 errors for ignored options.
4971 * opts.c (ignored_options): New static variable.
4972 (postpone_unknown_option_error): New.
4973 (print_ignored_options): New.
4974 (handle_option): Postpone errors for unknown -Wno-* options.
4975 * opts.h (print_ignored_options): Declare.
4977 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
4979 * config/mips/mips.md (loadgp_blockage, blockage): Change type
4982 2008-02-25 Richard Guenther <rguenther@suse.de>
4985 2008-02-25 Richard Guenther <rguenther@suse.de>
4987 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4988 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4989 (lookup_decl_from_uid): Declare.
4990 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4991 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4992 (decl_for_uid_map): New global hashtable mapping DECL_UID
4994 (init_ttree): Allocate it.
4995 (insert_decl_to_uid_decl_map): New helper function.
4996 (make_node_stat): Insert new decls into the map.
4997 (copy_node_stat): Likewise.
4998 (lookup_decl_from_uid): New function.
4999 (print_decl_for_uid_map_statistics): New helper.
5000 (dump_tree_statistics): Call it.
5002 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5003 (referenced_var_iterator): Adjust.
5004 (FOR_EACH_REFERENCED_VAR): Adjust.
5005 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5006 (num_referenced_vars): Adjust.
5007 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5008 (first_referenced_var): Remove.
5009 (end_referenced_vars_p): Likewise.
5010 (next_referenced_var): Likewise.
5011 (referenced_var_iterator_set): New helper function.
5012 * tree-dfa.c (referenced_var_lookup): Adjust.
5013 (referenced_var_check_and_insert): Likewise.
5014 (remove_referenced_var): Likewise.
5015 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5016 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5017 (verify_call_clobbering): Likewise.
5018 (verify_memory_partitions): Likewise.
5019 (init_tree_ssa): Allocate bitmap instead of hashtable for
5021 (delete_tree_ssa): Adjust.
5022 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5023 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5024 (compute_tag_properties): Likewise.
5025 (set_initial_properties): Likewise.
5026 (find_partition_for): Likewise.
5027 (update_reference_counts): Likewise.
5028 (dump_may_aliases_for): Likewise.
5029 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5030 (add_call_clobber_ops): Likewise.
5031 (add_call_read_ops): Likewise.
5032 (get_asm_expr_operands): Likewise.
5033 * tree-into-ssa.c (dump_decl_set): Likewise.
5034 (update_ssa): Likewise.
5035 * tree-sra.c (scan_function): Likewise.
5036 (decide_instantiations): Likewise.
5037 (scalarize_parms): Likewise.
5038 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5039 (dsa_named_for): Likewise.
5040 * tree-ssa-structalias.c (update_alias_info): Likewise.
5041 (merge_smts_into): Likewise.
5043 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5046 * doc/invoke.texi (-fcx-limited-range): Document new option.
5047 * toplev.c (process_options): Handle -fcx-fortran-rules.
5048 * common.opt: Add documentation for -fcx-fortran-rules.
5050 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5053 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5054 actual behaviour and C99.
5056 2008-02-26 Ben Elliston <bje@au.ibm.com>
5058 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5059 (ASM_CPU_POWER6_SPEC): Likewise.
5060 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5061 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5062 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5064 2008-02-25 Richard Guenther <rguenther@suse.de>
5066 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5067 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5068 (lookup_decl_from_uid): Declare.
5069 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5070 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5071 (decl_for_uid_map): New global hashtable mapping DECL_UID
5073 (init_ttree): Allocate it.
5074 (insert_decl_to_uid_decl_map): New helper function.
5075 (make_node_stat): Insert new decls into the map.
5076 (copy_node_stat): Likewise.
5077 (lookup_decl_from_uid): New function.
5078 (print_decl_for_uid_map_statistics): New helper.
5079 (dump_tree_statistics): Call it.
5081 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5082 (referenced_var_iterator): Adjust.
5083 (FOR_EACH_REFERENCED_VAR): Adjust.
5084 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5085 (num_referenced_vars): Adjust.
5086 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5087 (first_referenced_var): Remove.
5088 (end_referenced_vars_p): Likewise.
5089 (next_referenced_var): Likewise.
5090 (referenced_var_iterator_set): New helper function.
5091 * tree-dfa.c (referenced_var_lookup): Adjust.
5092 (referenced_var_check_and_insert): Likewise.
5093 (remove_referenced_var): Likewise.
5094 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5095 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5096 (verify_call_clobbering): Likewise.
5097 (verify_memory_partitions): Likewise.
5098 (init_tree_ssa): Allocate bitmap instead of hashtable for
5100 (delete_tree_ssa): Adjust.
5101 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5102 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5103 (compute_tag_properties): Likewise.
5104 (set_initial_properties): Likewise.
5105 (find_partition_for): Likewise.
5106 (update_reference_counts): Likewise.
5107 (dump_may_aliases_for): Likewise.
5108 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5109 (add_call_clobber_ops): Likewise.
5110 (add_call_read_ops): Likewise.
5111 (get_asm_expr_operands): Likewise.
5112 * tree-into-ssa.c (dump_decl_set): Likewise.
5113 (update_ssa): Likewise.
5114 * tree-sra.c (scan_function): Likewise.
5115 (decide_instantiations): Likewise.
5116 (scalarize_parms): Likewise.
5117 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5118 (dsa_named_for): Likewise.
5119 * tree-ssa-structalias.c (update_alias_info): Likewise.
5120 (merge_smts_into): Likewise.
5122 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5125 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5126 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5127 * alias.h (nonoverlapping_memrefs_p): Likewise.
5129 2008-02-25 Jan Beulich <jbeulich@novell.com>
5131 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5132 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5133 __emultls_get_address, __emultls_register_common,
5134 __floatundi?f, and _Unwind_GetIPInfo.
5135 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5136 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5137 (gen_regparm_prefix): Likewise.
5138 (i386_nlm_encode_section_info): Sync with
5139 config/i386/winnt.c:i386_pe_encode_section_info().
5140 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5141 i386_nlm_mangle_decl_assembler_name): New.
5142 (netware_override_options): New.
5143 * config/i386/netware.h (netware_override_options): Declare.
5144 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5145 (i386_nlm_mangle_decl_assembler_name): Declare.
5146 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5148 2008-02-25 Ben Elliston <bje@au.ibm.com>
5151 * c-decl.c (grokdeclarator): Remove unused local variables
5152 `typedef_type' and `type_as_written'.
5154 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5155 unused local variable `has_hot_blocks'.
5156 (fix_crossing_conditional_branches): Remove unused local variable
5159 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5162 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5163 using DEF_C99_BUILTIN.
5164 (BUILT_IN_NANF): Ditto.
5165 (BUILT_IN_NANL): Ditto.
5167 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5168 Revital Eres <eres@il.ibm.com>
5170 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5171 regarding the order of two dependent insns in the same row.
5173 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5175 * stor-layout.c (layout_decl): Do not bump the alignment of a
5176 bit-field to more than byte alignment if it is packed.
5178 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5180 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5183 2008-02-24 Diego Novillo <dnovillo@google.com>
5185 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5188 * tree-vrp.c (vrp_evaluate_conditional): With
5189 -Wtype-limits, emit a warning when comparing against a
5190 constant outside the natural range of OP0's type.
5191 * c.opt (Wtype-limits): Move ...
5192 * common.opt (Wtype-limits): ... here.
5194 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5196 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5197 * config/rs6000/e300c2c3.md: New file.
5198 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5200 (rs6000_override_options): Add e300c2 and e300c3 cases to
5201 processor_target_table. Do not allow usage of Altivec or Spe
5202 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5203 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5204 * config/rs6000/rs6000.h (processor_type): Add
5205 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5206 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5207 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5208 and ppce300c3. Include e300c2c3.md.
5210 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5212 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5213 instead of TARGET_STRICT_ALIGN.
5215 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5217 * explow.c (memory_address): Assert that the generated address is
5220 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5223 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5224 * config/darwin-ppc-ldouble-patch.def: New file.
5225 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5226 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5227 SUBTARGET_INIT_BUILTINS if defined.
5228 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5231 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5234 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5235 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5237 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5240 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5241 file" warning condtional on -Winvalid-PCH.
5243 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
5245 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5247 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
5251 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5252 prevent reload from using MMX registers.
5253 (*mov<mode>_internal): Ditto.
5254 (*movv2sf_internal_rex64): Ditto.
5255 (*movv2sf_internal): Ditto.
5257 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5259 PR documentation/31569
5260 * doc/install.texi2html: Use makeinfo --no-number-sections.
5262 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5264 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5265 ensure that we can address an entire entity > 8 bytes. Don't
5266 generate reg+reg addressing for such data.
5268 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5270 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5271 strings when optimizing for size, unless the target cares about
5274 2008-02-22 Tom Tromey <tromey@redhat.com>
5276 * regclass.c (current_pass): Remove declaration.
5278 2008-02-22 Anatoly Sokolov <aesok@post.ru>
5280 * config/avr/libgcc.S (__RAMPZ__): Define.
5281 (__do_copy_data): Add for devices with 128KB code memory.
5283 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5285 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5287 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5289 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
5291 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
5294 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5297 * c-typeck.c (build_binary_op): Warn about floating point
5298 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
5300 2008-02-21 Janis Johnson <janis187@us.ibm.com>
5303 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
5304 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
5306 (rs6000_override_options): Set altivec_abi as default, not override,
5307 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
5308 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
5309 is used; use new member spe_abi.
5310 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
5311 spe_abi and altivec_abi.
5313 2008-02-22 Tomas Bily <tbily@suse.cz>
5315 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
5317 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5320 * config.build (build_file_translate): Set to `CMD //c' only if
5322 * Makefile.in (build_file_translate): Improve comment.
5324 2008-02-21 Jan Hubicka <jh@suse.cz>
5326 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
5327 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
5328 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
5330 2008-02-21 Michael Matz <matz@suse.de>
5333 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
5335 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
5337 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
5338 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
5340 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
5341 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
5342 SSE_VEC_FLOAT_MODE_P as insn constraint.
5343 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
5344 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
5345 sse4a_movntdf using MODEF mode iterator.
5346 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
5347 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
5348 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
5349 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
5350 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
5351 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
5352 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
5354 2008-02-21 Richard Guenther <rguenther@suse.de>
5356 * tree.def (PAREN_EXPR): New tree code.
5357 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5359 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5360 * expr.c (expand_expr_real_1): Likewise.
5361 * tree-inline.c (estimate_num_insns_1): Likewise.
5362 * tree-complex.c (expand_complex_move): Likewise.
5363 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5366 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5369 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5371 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5374 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5376 * config/sh/sh.c (find_barrier): Don't go past
5377 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5379 2008-02-20 DJ Delorie <dj@redhat.com>
5381 * config/h8300/h8300.md (insv): Force source operand to be a register.
5383 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5384 as a jump, not as a plain insn.
5386 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
5388 * doc/invoke.texi (Warning Options): Add new option
5389 -Wframe-larger-than=.
5390 (-Wframe-larger-than): Document.
5392 * flags.h (warn_frame_larger_than, frame_larger_than_size):
5393 Add declarations for new option variables.
5395 * final.c (final_start_function): Check the frame size
5396 before emission and issue a Wframe-larger-than warning.
5398 * opts.c (warn_frame_larger_than, frame_larger_than_size):
5399 Add definitions for new option variables.
5400 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5402 * common.opt (Wframe-larger-than=): New option.
5404 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5406 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5407 (<sse>_div<mode>3): Ditto.
5408 (<sse>_vmdiv<mode>3): Ditto.
5409 (<sse>_vmsqrt<mode>2): Ditto.
5410 (*smax<mode>3): Ditto.
5411 (sse5_frcz<mode>2): Ditto.
5412 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
5415 2008-02-20 Richard Guenther <rguenther@suse.de>
5418 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5419 be happy with INTEGRAL_TYPE_P.
5421 2008-02-20 Richard Guenther <rguenther@suse.de>
5423 * fold-const.c (split_tree): Associate floatig-point expressions
5424 if flag_associative_math is set.
5426 2008-02-20 Richard Guenther <rguenther@suse.de>
5428 * tree.h (fold_real_zero_addition_p): Declare.
5429 * fold-const.c (fold_real_zero_addition_p): Export.
5430 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5431 floating-point operations with zero and one.
5433 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
5435 * doc/install.texi: Correct references to CFLAGS, replacing them
5436 with BOOT_CFLAGS. Document flags used during bootstrap for
5439 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5441 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5442 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5443 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5445 (smin<mode>3): Ditto from similar patterns.
5446 (smax<mode>3): Ditto.
5447 (*ieee_smin<mode>3): Ditto.
5448 (*ieee_smax<mode>3): Ditto.
5449 * config/i386/sse.md (sse): New mode attribute.
5450 (mov<mode>): Macroize expander from movv4sf and movv2df using
5451 SSEMODEF2P mode iterator.
5452 (<sse>_movnt<mode>): Ditto from similar patterns. Use
5453 SSE_VEC_FLOAT_MODE_P as insn constraint.
5454 (storent<mode>): Ditto.
5455 (storent<mode>): Macroize expander from storentsf and storentdf using
5456 MODEF mode iterator.
5457 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5458 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5459 (abs<mode>2): Ditto from similar patterns.
5460 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5461 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5462 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5463 (<sse>_vmsqrt<mode>2): Ditto.
5464 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5465 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5466 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5467 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5468 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5469 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5470 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5472 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5473 iterator and SSE_FLOAT_MODE_P as insn constraint.
5474 (<sse>_ucomi): Ditto from similar patterns.
5475 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5476 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5477 SSE_VEC_FLOAT_MODE_P as insn constraint.
5478 (vcond<mode>): Ditto from similar patterns.
5479 (and<mode>3, *and<mode>3): Ditto.
5480 (<sse>_nand<mode>3): Ditto.
5481 (ior<mode>3, *ior<mode>3): Ditto.
5482 (xor<mode>3, *xor<mode>3): Ditto.
5483 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5484 iterator and SSE_FLOAT_MODE_P as insn constraint.
5485 (*nand<mode>3): Ditto from similar patterns.
5486 (*ior<mode>3): Ditto.
5487 (*xor<mode>3): Ditto.
5489 2008-02-20 Ira Rosen <irar@il.ibm.com>
5491 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5492 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5493 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5495 2008-02-19 Jan Hubicka <jh@suse.cz>
5497 * predict.c (tree_bb_level_predictions): Remove variable next
5498 mistakely introduced by previous commit.
5500 2008-02-19 Jan Hubicka <jh@suse.cz>
5502 * predict.c (predict_paths_leading_to): Rewrite.
5503 (predict_paths_for_bb): New.
5504 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5506 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5509 * Makefile.in (build_file_translate): New.
5510 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5511 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5512 * configure.ac (build_file_translate): Substitute it.
5513 * configure: Regenerate.
5515 2008-02-19 Jan Hubicka <jh@suse.cz>
5517 PR rtl-optimization/34408
5518 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5521 2008-02-19 Jan Hubicka <jh@suse.cz>
5524 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5527 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5530 * config/i386/i386-modes.def: Revert the last DI alignment
5531 change until Ada people can look into it.
5533 2008-02-19 Nick Clifton <nickc@redhat.com>
5535 * opts.c (print_specific_help): Fix typo in --help text.
5537 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5540 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5541 32-bit inline asm without asm alternatives for host GCC < 3.0.
5543 2008-02-19 Richard Guenther <rguenther@suse.de>
5545 PR tree-optimization/34989
5546 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5547 Allow propagation to INDIRECT_REF if we can simplify only.
5549 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5551 * c-common.c (warn_for_collisions_1): Use appropriate option when
5554 2008-02-19 Nick Clifton <nickc@redhat.com>
5557 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5558 (handle_options): Fix indentation.
5559 (print_filtered_help): If no language-specific options were
5560 displayed tell the user how to list all the options supported by
5561 the language's front-end.
5562 (print_specific_help): Fix indentation and remove duplicate line.
5563 (common_handle_option): Handle the -v option.
5564 For --help enable the display of undocumented options if the -v
5565 switch has been included on the command line.
5566 For --help= check for overlaps in the arguments between the option
5567 classes and the language names and issue a warning when they
5568 cannot be disambiguated.
5569 * c.opt (v): Pass on to the common option handler.
5571 2008-02-19 Revital Eres <eres@il.ibm.com>
5573 * modulo-sched.c (sms_schedule): Change dump message when
5574 create_ddg function fails.
5575 (try_scheduling_node_in_cycle): Rename row to cycle.
5576 (print_partial_schedule): Rename CYCLE to ROW.
5578 2008-02-19 Christian Bruel <christian.bruel@st.com>
5579 Zdenek Dvorak <ook@ucw.cz>
5581 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5583 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5586 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5587 (*x86_movdicc_0_m1_se): Ditto.
5589 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5591 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5592 (CMPtype): Define as __gcc_CMPtype.
5593 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5594 (CMPtype): Define as __gcc_CMPtype.
5596 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5598 Support valgrind 3.3 for --enable-checking=valgrind.
5599 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5601 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5602 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5603 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5604 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5605 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5606 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5607 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5609 * ggc-zone.c: Similar.
5610 * ggc-page.c: Similar.
5612 2008-02-19 Paul Brook <paul@codesourcery.com>
5615 * config/arm/ieee754-df.S: Fix do_it typo.
5616 * config/arm/ieee754-sf.S: Fix do_it typo.
5618 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5621 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5622 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5623 (OPTION_MASK_ISA_SSE_SET): Likewise.
5624 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5625 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5626 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5627 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5628 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5629 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5630 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5631 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5632 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5633 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5634 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5635 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5636 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5637 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5638 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5639 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5640 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5641 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5642 (OPTION_MASK_ISA_SSE4): Removed.
5643 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5644 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5645 (override_options): Don't turn on implied SSE/MMX bits in
5648 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5650 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5653 2008-02-18 Joey Ye <joey.ye@intel.com>
5656 * tree-nested.c (insert_field_into_struct): Set type alignment
5657 to field alignment if the former is less than the latter.
5659 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5661 * BASE-VER: Set to 4.4.0.
5663 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5665 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5666 * doc/cfg.texi: Likewise.
5667 * doc/extend.texi: Likewise.
5668 * doc/gty.texi: Likewise.
5669 * doc/invoke.texi: Likewise.
5670 * doc/loop.texi: Likewise.
5671 * doc/md.texi: Likewise.
5672 * doc/passes.texi: Likewise.
5673 * doc/rtl.texi: Likewise.
5674 * doc/sourcebuild.texi: Likewise.
5675 * doc/tm.texi: Likewise.
5676 * doc/tree-ssa.texi: Likewise.
5678 2008-02-17 Richard Guenther <rguenther@suse.de>
5681 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5682 without default definition.
5684 2008-02-17 Richard Guenther <rguenther@suse.de>
5686 PR tree-optimization/35231
5687 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5690 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
5693 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5694 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5695 libgcc_cmp_return mode.
5697 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5700 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
5702 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
5704 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
5707 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5709 * doc/c-tree.texi: Use `@.' where appropriate.
5710 * doc/extend.texi: Likewise.
5711 * doc/install.texi: Likewise.
5712 * doc/invoke.texi: Likewise.
5713 * doc/loop.texi: Likewise.
5714 * doc/makefile.texi: Likewise.
5715 * doc/md.texi: Likewise.
5716 * doc/passes.texi: Likewise.
5717 * doc/standards.texi: Likewise.
5718 * doc/tm.texi: Likewise.
5720 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5723 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
5725 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
5726 rather than in entry_bb.
5728 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5730 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
5731 libgcc_cmp_return mode.
5733 2008-02-15 Jakub Jelinek <jakub@redhat.com>
5736 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
5737 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
5739 2008-02-15 Richard Guenther <rguenther@suse.de>
5740 Zdenek Dvorak <ook@ucw.cz>
5742 PR tree-optimization/35164
5743 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
5744 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
5745 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
5746 Only propagate addresses which do not have abnormal SSA_NAMEs
5749 2008-02-15 Joseph Myers <joseph@codesourcery.com>
5752 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
5754 2008-02-15 Jan Hubicka <jh@suse.cz>
5757 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
5759 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5762 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
5763 when calculating alignment_pad.
5765 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
5767 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
5768 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
5769 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
5770 and STACK_BOUNDARY define.
5772 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
5774 PR preprocessor/35061
5775 * c-pragma.c (handle_pragma_pop_macro): Check that
5776 pushed_macro_table has been allocated.
5778 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
5781 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
5782 (force_gimple_operand): Likewise.
5783 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
5784 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
5785 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
5786 (find_interesting_uses_address): Check addressability and alignment
5787 of the base expression only after substituting bases of IVs into it.
5789 2008-02-14 Michael Matz <matz@suse.de>
5792 * function.c (instantiate_virtual_regs_in_insn): Reload address
5793 before falling back to reloading the whole operand.
5795 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
5797 * config/s390/s390.c (s390_mainpool_start): Emit the pool
5798 before the first section switch note.
5800 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5802 * doc/bugreport.texi: Update copyright years.
5803 * doc/c-tree.texi: Likewise.
5804 * doc/cfg.texi: Likewise.
5805 * doc/cpp.texi: Likewise.
5806 * doc/cppinternals.texi: Likewise.
5807 * doc/fragments.texi: Likewise.
5808 * doc/frontends.texi: Likewise.
5809 * doc/gcc.texi: Likewise.
5810 * doc/gty.texi: Likewise.
5811 * doc/hostconfig.texi: Likewise.
5812 * doc/implement-c.texi: Likewise.
5813 * doc/libgcc.texi: Likewise.
5814 * doc/loop.texi: Likewise.
5815 * doc/makefile.texi: Likewise.
5816 * doc/options.texi: Likewise.
5817 * doc/passes.texi: Likewise.
5818 * doc/rtl.texi: Likewise.
5819 * doc/sourcebuild.texi: Likewise.
5820 * doc/standards.texi: Likewise.
5821 * doc/tree-ssa.texi: Likewise.
5822 * doc/trouble.texi: Likewise.
5824 * doc/extend.texi: Use @: or add comma where appropriate.
5825 * doc/invoke.texi: Likewise.
5826 * doc/tm.texi: Likewise.
5828 2008-02-14 Alan Modra <amodra@bigpond.net.au>
5831 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
5834 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
5836 * doc/md.texi (clz, ctz): Add reference.
5837 * doc/rtl.texi (clz, ctz): Likewise.
5839 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5842 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
5845 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
5847 * config/s390/s390.c (struct constant_pool): New field
5848 emit_pool_after added.
5849 (s390_mainpool_start): Set the emit_pool_after flag according
5850 to the section switch notes.
5851 (s390_mainpool_finish): Consider emit_pool_after when emitting
5852 the literal pool at the end of the function.
5853 (s390_chunkify_start): Force literal pool splits at section
5856 2008-02-13 Michael Matz <matz@suse.de>
5859 * var-tracking.c (clobber_variable_part): Correctly traverse the
5862 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5865 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
5866 Add -fdump-ipa-inline.
5867 * tree-dump.c (dump_files): Remove tree-inlined dump.
5868 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
5870 2008-02-12 Richard Guenther <rguenther@suse.de>
5872 PR tree-optimization/35171
5873 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
5876 2008-02-12 Richard Guenther <rguenther@suse.de>
5879 * fold-const.c (fold_widened_comparison): Use get_unwidened in
5880 value-preserving mode. Disallow final truncation.
5882 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
5885 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
5886 code from here to...
5887 (force_gimple_operand): ...here.
5889 2008-02-12 Jakub Jelinek <jakub@redhat.com>
5892 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
5893 non-compatible pointers.
5894 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
5895 different FIELD_DECLs, try harder by comparing field offsets, sizes
5899 * function.c (match_asm_constraints_1): Don't replace the same input
5902 2008-02-12 Anatoly Sokolov <aesok@post.ru>
5904 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
5905 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
5906 (expand_epilogue): Restore RAMPZ register.
5907 * config/avr/avr.md (RAMPZ_ADDR): New constant.
5909 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
5911 * config/i386/cygwin.asm: (__alloca): Correct calling
5912 convention and alignment.
5913 (__chkstk): Force 8 byte stack alignment.
5915 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
5916 Richard Guenther <rguenther@suse.de>
5918 PR tree-optimization/33992
5919 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
5920 the zero we compare against.
5922 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
5925 * gthr-win32.h (__gthread_mutex_destroy_function): New function
5926 to CloseHandle after unlocking to prevent accumulation of handle
5929 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5932 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
5933 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
5934 and update LABEL_NUSES during and after reload.
5936 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
5939 * combine.c (simplify_if_then_else): Make sure the comparison is
5940 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
5942 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
5945 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
5946 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
5947 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
5948 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
5949 * tree.h (get_type_static_bounds): Likewise.
5951 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5953 * doc/invoke.texi (Option Summary, C++ Dialect Options)
5954 (Objective-C and Objective-C++ Dialect Options, Warning Options):
5955 Make -Wfoo language annotations match what the compiler outputs.
5957 2008-02-08 Sa Liu <saliu@de.ibm.com>
5959 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
5960 intrinsics spu_convts, spu_convtu, spu_convtf.
5961 * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
5963 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
5965 * doc/extend.texi (Function Attributes) <noinline>: Mention
5966 asm ("") as method to keep calls.
5968 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5971 * doc/options.texi (Options): Replace references to opts.sh with
5973 * opts-common.c: Likewise.
5974 * optc-gen.awk: Likewise.
5976 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
5978 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
5980 2008-02-07 Richard Henderson <rth@redhat.com>
5983 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
5984 EXPR_LIST for the REG_EQUAL instead of a comparison with a
5987 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
5989 PR tree-optimization/35085
5990 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
5991 for operand entry oe2 in addition to operand entry oe3 in order to
5992 expose more opportunities for vectorizer sum reduction.
5994 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5997 * Makefile.in (LIBS): Remove $(GMPLIBS).
5998 (cc1-dummy, cc1): Add $(GMPLIBS).
6000 2008-02-06 Jan Hubicka <jh@suse.cz>
6003 * i386.md (moddf_integer): Do not produce partial memory stalls for
6004 targets where it hurts.
6006 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6009 * optabs.c (expand_float): Do not check for decimal modes when
6010 expanding unsigned integer through signed conversion.
6012 2008-02-06 Nick Clifton <nickc@redhat.com>
6014 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6015 inside the clobber with a match_operand and duplicated operand
6016 number in the constraint.
6017 (ineqbranchsi): Delete redundant comment.
6019 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6021 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6022 builtin_define ("__USE_INIT_FINI__").
6023 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6025 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6027 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6029 PR documentation/30330
6030 * doc/invoke.texi (C++ Dialect Options)
6031 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6032 For each warning option -Wfoo that allows -Wno-foo, ensure both
6033 -Wfoo and -Wno-foo are listed in the option index. Fix index
6034 entry of -Wswitch-default, index -Wnormalized= including the
6035 `=', and -Wlarger-than-@var{len} including @var{len}.
6037 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6039 * config/i386/i386.md (floatunssisf2): Use
6040 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6041 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6042 Macroize expander using MODEF mode iterator.
6044 2008-02-05 Diego Novillo <dnovillo@google.com>
6046 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6049 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6051 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6054 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6056 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6059 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6060 to indicate if a message should be generated.
6061 (init_cumulative_args): Updated.
6062 (function_value_32): Likewise.
6064 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6066 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6068 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6071 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6072 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6074 2008-02-04 Diego Novillo <dnovillo@google.com>
6076 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6079 * tree-vrp.c (vrp_evaluate_conditional): With
6080 -Wtype-limits, emit a warning when comparing against a
6081 constant outside the natural range of OP0's type.
6083 2008-02-04 Richard Guenther <rguenther@suse.de>
6086 * expr.c (count_type_elements): Give for unions instead of
6089 2008-02-04 Richard Guenther <rguenther@suse.de>
6092 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6093 to TYPE_DOMAINs base type instead of using bitsizetype here.
6095 2008-02-03 Jason Merrill <jason@redhat.com>
6097 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6099 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6102 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6103 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6104 (RS/6000 and PowerPC Options): Fix typos and markup.
6105 * doc/passes.texi (Tree-SSA passes): Likewise.
6107 2008-02-02 Michael Matz <matz@suse.de>
6110 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6111 from record_last_reg_set_info.
6112 (record_last_reg_set_info): Take an RTX argument, iterate over all
6113 constituent hardregs.
6114 (record_last_set_info, record_opr_changes): Change calls to
6115 new signature or to record_last_reg_set_info_regno.
6117 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6119 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6121 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6123 PR rtl-optimization/34773
6124 * reg-notes.def (EQUAL): Mention significance of combination of
6125 REG_EQUAL and REG_RETVAL.
6126 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6127 insn that has a REG_RETVAL.
6129 2008-02-01 Roger Sayle <roger@eyesopen.com>
6132 * configure.ac (--enable-fixed-point): Disable unless explicitly
6134 * configure: Regenerate.
6136 2008-02-01 Richard Guenther <rguenther@suse.de>
6139 * invoke.texi (-finline-limit): Remove no longer true parts
6140 of the documentation. Note that there is no default value.
6142 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6143 Mark Mitchell <mark@codesourcery.com>
6144 Ben Elliston <bje@au.ibm.com>
6147 * doc/extend.texi (Other Builtins): Document.
6149 2008-01-31 Tom Browder <tom.browder@gmail.com>
6151 * doc/c-tree.texi (Types): Fix grammar.
6152 (Expression trees): Ditto.
6153 * doc/passes.texi (Tree-SSA passes): Ditto.
6155 * doc/configterms.texi (Configure Terms): Fix typo.
6156 * doc/cpp.texi (Common Predefined Macros): Ditto.
6157 * doc/md.texi (Machine Constraints): Ditto.
6159 * doc/makefile.texi (Makefile): Add comma.
6161 2008-01-31 Tom Browder <tom.browder@gmail.com>
6162 Gerald Pfeifer <gerald@pfeifer.com>
6164 * doc/sourcebuild.texi (Front End): Remove references to CVS
6165 and CVSROOT/modules.
6166 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6167 (Back End): Remove reference to CVS.
6169 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6172 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6174 (mips16_gp_pseudo_reg): ...here.
6175 * config/mips/mips.md (load_const_gp): Replace with...
6176 (load_const_gp_<mode>): ...this :P-based insn.
6178 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6180 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6181 options. Minor fixes.
6182 (-std): Move reference to standards closer to where language
6183 standards are first mentioned.
6185 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6187 PR rtl-optimization/34995
6188 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6189 parameter and return a bool. If the rtx parameter is nonnull,
6190 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6191 (find_reloads): Update call accordingly. Pass the new operand
6192 if it needed no address reloads, otherwise pass null.
6194 2008-01-30 Richard Henderson <rth@redhat.com>
6197 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6198 for unbounded arrays.
6200 2008-01-30 Silvius Rus <rus@google.com>
6202 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6204 2008-01-30 Jan Hubicka <jh@suse.cz>
6207 * i386.c (init_cumulative_args): Use real function declaration when
6210 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6212 PR rtl-optimization/34998
6213 * global.c (build_insn_chain): Treat non-subreg_lowpart
6214 SUBREGs of pseudos as clobbering all the words covered by the
6215 SUBREG, not just all the bytes.
6216 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6217 original df_ref rather than an extract parameter.
6218 (global_conflicts): Update call accordingly.
6220 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
6222 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6223 the overflow check to make it easier to read.
6224 (__fixtfdi): Change the type of the ll member in union
6225 long_double to UDItype_x.
6227 2008-01-30 Jakub Jelinek <jakub@redhat.com>
6230 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6231 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6232 * tree-inline.c (fold_marked_statements): Call
6233 cgraph_update_edges_for_call_stmt if folding a call statement.
6234 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6235 debug_generic_stmt calls, reset it back afterwards.
6238 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6240 * c-typeck.c (build_external_ref): Don't pedwarn about
6241 static vars in current function's scope.
6243 2008-01-29 Joseph Myers <joseph@codesourcery.com>
6245 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6247 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
6250 * ipa-struct-reorg.c: Fix spelling.
6251 * params.def: Ditto.
6253 2008-01-29 Richard Guenther <rguenther@suse.de>
6256 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6258 * tree-inline.c (remap_type): Increment remapping_type_depth
6259 around remapping types.
6260 (copy_body_r): Only add referenced variables if they are referenced
6261 from code, not types.
6263 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
6274 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6275 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6277 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
6280 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
6281 pointer for tiny stack.
6283 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6285 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
6287 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6289 * config/vx-common.h: Fix typo in comment.
6291 2008-01-28 Ian Lance Taylor <iant@google.com>
6295 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6296 coalesce pointers if they have different DECL_NO_TBAA_P values.
6297 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
6298 between variables with different DECL_NO_TBAA_P values.
6300 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
6303 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
6304 are not legitimate small data references on SPE targets.
6306 2008-01-28 David Daney <ddaney@avtrex.com>
6308 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
6310 2008-01-28 David Daney <ddaney@avtrex.com>
6312 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
6314 2008-01-27 Joseph Myers <joseph@codesourcery.com>
6316 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
6317 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
6318 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
6319 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
6320 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
6321 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
6322 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
6323 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
6325 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6327 * basic-block.h (condjump_equiv_p): Fix comment.
6329 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6331 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
6332 print_generic_stmt_indented): Fix comment.
6334 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6336 * configure.ac (__stack_chk_fail): Add detecion for availability
6337 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
6338 * configure: Regenerate.
6340 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
6343 * final.c (output_addr_const): Handle TRUNCATE.
6345 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
6348 * tree-ssa-loop-ivopts.c (comp_cost): New type.
6349 (zero_cost, infinite_cost): New constants.
6350 (struct cost_pair): Change type of cost to comp_cost.
6351 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
6352 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
6354 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
6355 split_address_cost, ptr_difference_cost, difference_cost,
6356 get_computation_cost_at, get_computation_cost,
6357 determine_use_iv_cost_generic, determine_use_iv_cost_address,
6358 determine_use_iv_cost_condition, determine_use_iv_costs,
6359 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
6360 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
6361 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
6362 Change type of cost to comp_cost.
6363 (determine_iv_cost): Increase cost of non-original ivs, instead
6364 of decreasing the cost of original ones.
6365 (get_address_cost): Indicate the complexity of the addressing mode
6367 (try_add_cand_for): Prefer using ivs not specific to some object.
6368 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
6370 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
6371 Janis Johnson <janis187@us.ibm.com>
6374 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
6375 (TARGET_INSTANTIATE_DECLS): Likewise.
6376 * target.h (expand_to_rtl_hook): New target hook.
6377 (instantiate_decls): Likewise.
6378 * function.c (instantiate_decl): Make non-static. Rename to...
6379 (instantiate_decl_rtl): ... this.
6380 (instantiate_expr): Use instantiate_decl_rtl.
6381 (instantiate_decls_1): Likewise.
6382 (instantiate_decls): Likewise.
6383 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
6384 * function.h (instantiate_decl_rtl): Add prototype.
6385 * cfgexpand.c (target.h): New include.
6386 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
6387 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
6388 (TARGET_INSTANTIATE_DECLS): Likewise.
6389 (TARGET_INITIALIZER): New target hooks added.
6390 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6392 * config/rs6000/rs6000.c (tree-flow.h): New include.
6393 (machine_function): Add sdmode_stack_slot field.
6394 (rs6000_alloc_sdmode_stack_slot): New function.
6395 (rs6000_instantiate_decls): Likewise.
6396 (rs6000_secondary_memory_needed_rtx): Likewise.
6397 (rs6000_check_sdmode): Likewise.
6398 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
6399 (TARGET_INSTANTIATE_DECLS): Likewise.
6400 (rs6000_hard_regno_mode_ok): Allow SDmode.
6401 (num_insns_constant): Likewise. Handle _Decimal32 constants.
6402 (rs6000_emit_move): Handle SDmode.
6403 (function_arg_advance): Likewise.
6404 (function_arg): Likewise.
6405 (rs6000_gimplify_va_arg): Likewise. Add special handling of
6406 SDmode var args for 32-bit compiles.
6407 (rs6000_secondary_reload_class): Handle SDmode.
6408 (rs6000_output_function_epilogue): Likewise.
6409 (rs6000_function_value): Simplify if statement.
6410 (rs6000_libcall_value): Likewise.
6411 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
6412 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
6413 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
6414 (movsd_hardfloat): New define_insn.
6415 (movsd_softfloat): Likewise.
6416 (movsd_store): Likewise.
6417 (movsd_load): Likewise.
6418 (extendsddd2): Likewise.
6419 (extendsdtd2): Likewise.
6420 (truncddsd2): Likewise.
6421 (movdd_hardfloat64): Fixup comment.
6422 (UNSPEC_MOVSD_LOAD): New constant.
6423 (UNSPEC_MOVSD_STORE): Likewise.
6425 2008-01-26 Jakub Jelinek <jakub@redhat.com>
6428 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
6430 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
6431 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
6432 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
6435 2008-01-26 David Edelsohn <edelsohn@gnu.org>
6438 * config.gcc: Separate AIX 5.3 from AIX 6.1.
6439 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6440 __LONGDOUBLE128 too.
6441 * config/rs6000/aix61.h: New file.
6443 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6445 PR rtl-optimization/34959
6446 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
6447 popcount and parity rtxes the same mode as their operand.
6448 Truncate or extend the result to the return value's mode
6451 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6454 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
6455 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6456 to GOT_VERSION_REGNUM.
6457 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
6458 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
6459 * config/mips/mips.c (mips_emit_call_insn): New function.
6460 (mips_call_tls_get_addr): Call mips_expand_call directly.
6461 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
6463 (mips16_build_call_stub): Likewise. Return the call insn or null.
6464 (mips_expand_call): Update the call to mips16_build_call_stub
6465 accordingly and a remove redundant condition. Assert that MIPS16
6466 stubs do not use lazy binding. Use mips_emit_call_insn and return
6468 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
6470 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
6471 (mips_avoid_hazard): Remove hazard_set handling.
6472 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
6473 (UNSPEC_RESTORE_GP): ...this.
6474 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
6475 (FAKE_CALL_REGNO): Rename to...
6476 (GOT_VERSION_REGNUM): ...this.
6477 (type): Add "ghost" value. Add an associated insn reservation.
6478 (hazard_set): Remove.
6479 (exception_receiver): Rename to...
6480 (restore_gp): ...this and update the unspec identifier accordingly.
6481 (exception_receiver, nonlocal_got_receiver): New expanders.
6482 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6483 FAKE_CALL_REGNO. Remove hazard_set attribute.
6484 (set_got_version, update_got_version): New patterns.
6486 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6489 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6491 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6494 * doc/install.texi2html: Generate gcc-vers.texi.
6496 2008-01-25 DJ Delorie <dj@redhat.com>
6498 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6500 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6502 * config/c4x: Remove directory.
6503 * config.gcc (crx-*, mt-*): Mark obsolete.
6504 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6505 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6506 sh-*-rtemscoff*): Remove cases.
6507 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6508 * real.c (encode_c4x_single, decode_c4x_single,
6509 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6510 c4x_extended_format): Remove.
6511 * real.h (c4x_single_format, c4x_extended_format): Remove.
6512 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6514 (Pragmas): Remove comment about c4x pragmas.
6515 * doc/install.texi (c4x): Remove target-specific instructions.
6516 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6517 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6518 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6519 refer to C4x source files as examples.
6520 (C4X_FLOAT_FORMAT): Remove documentation.
6522 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6524 * config/bfin/bfin.c (override_options): Reorder tests so that
6525 flag_pic gets enabled for -msep-data.
6527 2008-01-25 Richard Guenther <rguenther@suse.de>
6530 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6531 to its bitfield precision if required.
6533 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6536 * tree-nested.c (walk_omp_for): New function.
6537 (convert_nonlocal_reference, convert_local_reference): Call
6538 walk_omp_for on OMP_FOR.
6539 (convert_call_expr): Call walk_body on OMP_FOR's
6540 OMP_FOR_PRE_INIT_BODY.
6542 2008-01-25 Richard Guenther <rguenther@suse.de>
6544 PR tree-optimization/34966
6545 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6546 default defs and PHI_NODEs we have to insert after the
6549 2008-01-24 Nick Clifton <nickc@redhat.com>
6551 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6552 Provide a default definition.
6553 (LIBGCC2_UNITS_PER_WORD): Likewise.
6555 * config/stormy16/stormy16.c: Include df.h for the prototype
6556 for df_regs_ever_live_p.
6557 (xstormy16_expand_builtin_va_start): Convert the stack offset
6558 into a component_ref and then use POINTER_PLUS_EXPR to add it
6559 to the incoming_virtual_args_rtx.
6560 (xstormy16_gimplify_va_arg_expr): Rename to
6561 xstormy16_gimplify_va_arg_expr.
6562 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6563 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6564 xstormy16_gimplify_va_arg_expr.
6565 Fix up some formatting issues.
6567 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6568 Move to predicates.md.
6569 (xs_hi_general_operand): Likewise.
6570 (xs_hi_nonmemory_operand): Likewise.
6571 * config/stormy16/predicates.md:
6572 (xstormy16_carry_plus_operand): New predicate.
6573 (xs_hi_general_operand): New predicate.
6574 (xs_hi_nonmemory_operand): New predicate.
6575 * config/stormy16/stormy16-protos.h:
6576 (xstormy16_carry_plus_operand): Delete prototype.
6577 (xs_hi_general_operand): Likewise.
6578 (xs_hi_nonmemory_operand): Likewise.
6580 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6581 modifiers as they are no longer needed and they can trigger
6582 reload spill failures.
6584 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6585 with a match_operand in order to help reload.
6587 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6588 constraint with 'e' for the 8th alternative as this version of
6589 the mov.w instruction only accepts the lower 8 registers.
6591 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6594 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6595 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6598 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6601 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6603 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6605 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6607 (remove_structure): Update allocations list before removing structure.
6609 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6611 * ipa-struct-reorg.c (is_safe_cond_expr,
6612 create_new_stmts_for_cond_expr): Use integer_zerop function,
6613 that recognize not only zero-pointer, but zero-integer too.
6615 2008-01-25 Ben Elliston <bje@au.ibm.com>
6618 * fixproto: Escape "." in sed expression that strips leading "./".
6620 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6623 * gcc.c (SWITCH_OK): Removed.
6624 (SWITCH_LIVE): Changed to bit.
6625 (SWITCH_FALSE): Likewise.
6626 (SWITCH_IGNORE): Likewise.
6627 (switchstr): Change live_cond to unsigned int.
6628 (process_command): Replace SWITCH_OK with 0.
6629 (do_self_spec): Likewise.
6630 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6631 (give_switch): Likewise.
6632 (used_arg): Likewise.
6633 (do_spec_1): Set the SWITCH_IGNORE bit.
6634 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6635 bits. Set the SWITCH_LIVE bit.
6637 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6639 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6641 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6643 PR tree-optimization/34472
6644 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6645 parameter to a "bool *" and set *DATA to false if there is
6646 an unsafe access. Do not delete the structure here.
6647 (check_cond_exprs): Delete it here instead.
6648 (check_cond_exprs, exclude_cold_structs): Do not increase
6649 I when removing a structure.
6651 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6654 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6655 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6657 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6660 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6661 a fixed vector for stack.
6663 2008-01-24 Ben Elliston <bje@au.ibm.com>
6666 * doc/gcc.texi (Software development): Add a direntry for g++.
6668 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6670 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6671 stale and straggling -fforce-addr comments above.
6673 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6675 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6676 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6678 2008-01-23 Michael Matz <matz@suse.de>
6681 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6684 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6686 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6689 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6691 * config/avr/avr.c (avr_current_arch): New variable.
6692 (avr_arch_types): Add 'avr31' and 'avr51' entries.
6693 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
6694 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
6695 (avr_override_options): Init 'avr_current_arch'.
6696 (base_arch_s): Move from here...
6697 * config/avr/avr.h (base_arch_s): ... here. Add new members
6698 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
6699 'mega' to 'have_jmp_call'.
6700 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
6701 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
6703 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
6705 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
6706 MULTILIB_MATCHES): (Ditto.).
6708 2008-01-23 Richard Guenther <rguenther@suse.de>
6711 * cgraphunit.c (cgraph_reset_node): Always mark the node
6712 not reachable if it is not queued already.
6714 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
6716 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
6717 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
6718 (cputype_selected): New static variable.
6719 (bfin_handle_option): Set it if -mcpu is used.
6720 (override_option): Select default set of workarounds if no cpu type
6721 selected on the command line.
6722 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
6724 From Michael Frysinger <michael.frysinger@analog.com>
6725 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
6726 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
6728 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
6729 for bf547, bf523, bf524, and bf526.
6730 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
6732 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6733 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
6734 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
6735 __ADSPBF547__ and __ADSPBF54x__ for bf547.
6736 * doc/invoke.texi (Blackfin Options): Document that
6737 -mcpu now accept bf547, bf523, bf524, and bf526.
6739 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
6741 PR rtl-optimization/34628
6742 * combine.c (try_combine): Stop and undo after the first combination
6743 if an autoincrement side-effect on the first insn has effectively
6746 2008-01-22 David Edelsohn <edelsohn@gnu.org>
6749 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
6750 Offset addresses are not valid for Altivec or paired float modes.
6752 2008-01-22 Jakub Jelinek <jakub@redhat.com>
6755 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
6756 if DECL_INITIAL (decl) is error_mark_node.
6759 * c-common.c (handle_vector_size_attribute): Only allow
6760 integral, scalar float and fixed point types. Handle OFFSET_TYPE
6761 the same way as pointer, array etc. types.
6762 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
6765 * tree.c (build_type_attribute_qual_variant): Call
6766 build_qualified_type if attributes are equal, but quals are not.
6768 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6771 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
6772 * flags.h (warn_strict_aliasing): Remove.
6773 (warn_strict_overflow): Remove.
6774 * opts.c (warn_strict_aliasing): Remove.
6775 (warn_strict_overflow): Remove.
6776 * c-opts.c (c_common_handle_option): -Wall only sets
6777 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
6778 (c_common_post_options): Give default values to -Wstrict-aliasing
6779 and -Wstrict-overflow if they are uninitialized.
6780 * common.opt (Wstrict-aliasing): Specify Var and Init.
6781 (Wstrict-overflow): Likewise.
6783 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
6785 PR rtl-optimization/26854
6786 PR rtl-optimization/34400
6787 PR rtl-optimization/34884
6788 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
6790 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
6791 (df_rd_bb_info.expanded_lr_out): Deleted
6792 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
6793 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
6794 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6795 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6796 Removed code to allocate, initialize or free expanded_lr_out.
6797 (df_rd_bb_local_compute_process_def): Restructured to make more
6799 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
6800 sets if the sets are being trimmed.
6802 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
6805 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
6806 (as_vers): Likewise.
6807 * configure: Regenerated.
6809 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6812 * tree-pass.h (pass_build_alias): New pass.
6813 * tree-ssa-alias.c (gate_build_alias): New.
6814 (pass_build_alias): New.
6815 * passes.c (init_optimization_passes): Add pass_build_alias after
6816 pass_create_structure_vars.
6818 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
6820 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
6821 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
6822 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
6823 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
6824 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
6825 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
6826 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
6827 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
6828 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
6829 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
6830 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
6831 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
6832 * config/s390/s390.md (FP_ALL): New mode iterator.
6833 (_d): New mode attribute.
6834 ("*signbit<mode>2>"): Changed mode of first operand.
6835 ("isinf<mode>2"): Changed mode of first operand.
6836 ("*TDC_insn"): Adaptation for DFP modes.
6838 2008-01-22 Ben Elliston <bje@au.ibm.com>
6840 * tree.c (check_qualified_type): Improve function description.
6842 2008-01-21 Jason Merrill <jason@redhat.com>
6845 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
6846 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
6849 2008-01-21 DJ Delorie <dj@redhat.com>
6851 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
6854 2008-01-21 Richard Guenther <rguenther@suse.de>
6857 * tree-cfg.c (verify_expr): Allow all invariant expressions
6858 instead of just constant class ones as reference argument.
6859 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
6860 like any other constant.
6861 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
6863 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
6865 * regmove.c (fixup_match_1): Update call crossed frequencies.
6867 2008-01-21 Richard Guenther <rguenther@suse.de>
6870 * tree-inline.c (setup_one_parameter): Deal with mismatched
6871 types using a VIEW_CONVERT_EXPR.
6873 2008-01-21 Alon Dayan <alond@il.ibm.com>
6874 Olga Golovanevsky <olga@il.ibm.com>
6876 PR tree-optimization/34701
6877 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
6878 when the structure size is not a power of 2.
6880 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
6882 * doc/install.texi: Add doc for --enable-checking=df.
6884 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
6886 PR rtl-optimization/34808
6887 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
6889 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6891 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
6894 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
6896 PR rtl-optimization/26854
6897 PR rtl-optimization/34400
6898 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
6900 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
6901 (df_rd_bb_info.expanded_lr_out): New.
6902 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
6903 * loop_iv.c (iv_analysis_loop_init): Ditto.
6904 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
6905 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
6906 Added code to allocate, initialize or free expanded_lr_out.
6907 (df_rd_bb_local_compute_process_def): Restructured to make
6908 more understandable.
6909 (df_rd_confluence_n): Add code to do nothing with fake edges and
6910 code to no apply invalidate_by_call sets if the sets are being trimmed.
6911 (df_lr_local_finalize): Renamed to df_lr_finalize.
6912 (df_live_local_finalize): Renamed to df_live_finalize.
6914 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
6917 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
6918 deciding whether to use reciprocal instructions.
6920 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
6922 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
6923 dwarf2out_note_section_used if cold_text_section is NULL.
6925 2008-01-19 Jakub Jelinek <jakub@redhat.com>
6927 PR gcov-profile/34610
6928 * tree-cfg.c (make_edges): Mark both outgoing edges from
6929 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
6930 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
6931 from OMP_FOR and OMP_CONTINUE outgoing edges.
6933 * tree-profile.c (tree_profiling): Return early if
6934 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
6936 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
6937 from cfun to child_cfun.
6938 * function.h (struct function): Add after_tree_profile bit.
6940 2008-01-19 Anatoly Sokolov <aesok@post.ru>
6942 * config/avr/avr.S (_exit): Disable interrupt.
6944 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
6945 Steven Bosscher <stevenb.gcc@gmail.com>
6947 PR rtl-optimization/26854
6948 PR rtl-optimization/34400
6949 * df-problems.c (df_live_scratch): New scratch bitmap.
6950 (df_live_alloc): Allocate df_live_scratch when doing df_live.
6951 (df_live_reset): Clear the proper bitmaps.
6952 (df_live_bb_local_compute): Only process the artificial defs once
6953 since the order is not important.
6954 (df_live_init): Init the df_live sets only with the variables
6955 found live by df_lr.
6956 (df_live_transfer_function): Use the df_lr sets to prune the
6957 df_live sets as they are being computed.
6958 (df_live_free): Free df_live_scratch.
6960 2008-01-18 Ian Lance Taylor <iant@google.com>
6962 * common.opt: Add fmerge-debug-strings.
6963 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
6964 flag_merge_debug_strings rather than flag_merge_constants.
6965 * doc/invoke.texi (Option Summary): Mention
6966 -fmerge-debug-strings.
6967 (Debugging Options): Document -fmerge-debug-strings.
6969 2008-01-18 Ian Lance Taylor <iant@google.com>
6972 * tree.h (DECL_IS_OPERATOR_NEW): Define.
6973 (struct tree_function_decl): Add new field operator_new_flag.
6974 * tree-inline.c (expand_call_inline): When inlining a call to
6975 operator new, force the return value to go into a variable, and
6976 set DECL_NO_TBAA_P on that variable.
6977 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
6979 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
6982 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
6983 DWARF2_DEBUGGING_INFO.
6984 (dwarf2out_note_section_used): Ditto. Add prototype.
6985 (have_multiple_function_sections, text_section_used,
6986 cold_text_section_used, *cold_text_sections): Move declarations
6989 2008-01-17 Bob Wilson <bob.wilson@acm.org>
6991 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
6992 field and add signal_ra.
6993 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
6994 assignments to frame state pc. Move end of stack check after
6995 MD_FALLBACK_FRAME_STATE_FOR.
6996 (uw_update_context_1): Use frame state signal_regs if set, instead
6997 of checking signal_frame flag.
6998 (uw_update_context): Use frame state signal_ra if set.
6999 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7000 * config/xtensa/linux-unwind.h: New file.
7002 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7004 * modulo-sched.c (get_sched_window): Fix comment typo.
7006 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7008 PR tree-optimization/34648
7009 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7011 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7013 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7014 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7016 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7018 PR rtl-optimization/34400
7019 * df-core.c (df_worklist_dataflow_overeager,
7020 df_worklist_dataflow_doublequeue): New functions.
7021 (df_worklist_dataflow): Two different worklist solvers.
7022 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7025 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7028 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7029 and ftree-parallelize-loops.
7031 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7033 PR rtl-optimization/34826
7034 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7036 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7038 * global.c (find_reg): Mark the eh regs as used if necessary.
7039 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7040 * ra.h (struct allocno): no_eh_reg field added. Changed
7041 no_stack_reg type to bitfield.
7043 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7045 * tree.c (substitute_in_expr): Add missing 'break'.
7047 2008-01-17 Richard Guenther <rguenther@suse.de>
7049 PR tree-optimization/34825
7050 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7051 x / x as division to handle.
7053 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7055 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7056 "-pthread" is specified.
7057 * pa-hpux11.h (LIB_SPEC): Likewise.
7059 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7060 Peter Bergner <bergner@vnet.ibm.com>
7062 PR rtl-optimization/33796
7063 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7065 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7067 PR libgfortran/34699
7068 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7070 * pa-hpux10.h (LINK_SPEC): Likewise.
7071 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7073 2008-01-16 Richard Guenther <rguenther@suse.de>
7076 * fold-const.c (fold_convert_const_int_from_int): Do not
7077 set overflow if that occured only because of a sign extension
7078 change when converting from/to a sizetype with the same
7079 precision and signedness.
7081 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7084 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7085 location address to the correct place. Update copyright year.
7087 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7089 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7090 no dependences in the dependence_relations vector.
7092 2008-01-16 Jan Hubicka <jh@suse.cz>
7094 PR rtl-optimization/31396
7095 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7096 * cfg.c (dump_reg_info): Print it.
7097 * regs.h (struct reg_info_t): add freq_calls_crossed.
7098 (REG_FREQ_CALLS_CROSSED): New macro.
7099 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7100 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7101 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7102 regmove_optimize): Update call crossed frequencies.
7103 * local-alloc.c (struct qty): Add freq_calls_crossed.
7104 (alloc_qty): Copute freq_calls_crossed.
7105 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7106 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7107 * ra.h (struct allocno): Add freq_calls_crossed.
7109 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7111 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7112 libgomp when compiling with ftree-parallelize-loops.
7113 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7115 2008-01-16 Richard Guenther <rguenther@suse.de>
7117 PR tree-optimization/34769
7118 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7119 * tree.c (int_cst_value): Instead make this function more
7120 permissive in what it accepts as valid input. Document this
7121 function always sign-extends the value.
7123 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7124 Richard Guenther <rguenther@suse.de>
7127 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7128 (gimple_fold_indirect_ref_rhs): ... this.
7129 (gimple_fold_indirect_ref): New function with foldings
7130 that preserve lvalueness.
7131 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7132 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7133 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7134 to fold an INDIRECT_REF, fall back to the old use of
7135 fold_indirect_ref_1.
7137 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7139 * tree-data-ref.c (subscript_dependence_tester_1): Call
7140 free_conflict_function.
7141 (compute_self_dependence): Same.
7143 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7146 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7147 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7149 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7150 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7151 for DWARF2_UNWIND_INFO targets.
7153 2008-01-16 Richard Guenther <rguenther@suse.de>
7156 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7157 type qualifiers for function types.
7159 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7161 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7162 loop_iterator li from previous commit.
7164 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7166 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7168 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7170 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7171 (parallelize_loops): Don't parallelize irreducible components.
7173 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7176 * c-opts (c_common_post_options): Do not enable CPP
7177 flag_pedantic_errors by default.
7179 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7181 PR rtl-optimization/31944
7182 * cse.c (remove_pseudo_from_table): New function.
7183 (merge_equiv_classes): Use above function to remove pseudo-registers.
7184 (invalidate): Likewise.
7186 2008-01-13 Richard Guenther <rguenther@suse.de>
7189 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7190 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7192 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7194 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7195 validate_change to unshare the source of the PC set.
7197 2008-01-12 Jan Hubicka <jh@suse.cz>
7200 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7201 references above array bounds. This might trigger bounds checks for
7204 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7206 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7207 new_replaceable_dependencies.
7209 2008-01-12 Doug Kwan <dougkwan@google.com>
7211 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7212 instead of OPT_Wreturn_type in warning due to ignored return type
7214 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7215 options included in -Wextra.
7216 * c.opt: New option -Wignored_qualifiers.
7217 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7218 -Wignore_qualifiers.
7219 (-Wignored-qualifiers): Document.
7220 (-Wreturn-type): Remove description of functionality now handled
7221 by -Wignored-qualifiers.
7223 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
7226 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7227 NOP_EXPR if it is between integral types with the same precision.
7229 2008-01-12 Jan Hubicka <jh@suse.cz>
7232 * invoke.texi (max-inline-recursive-depth): Fix default value.
7234 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
7236 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7239 2008-01-11 Bob Wilson <bob.wilson@acm.org>
7241 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7243 2008-01-11 James E. Wilson <wilson@specifix.com>
7246 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7248 2008-01-11 Anatoly Sokolov <aesok@post.ru>
7250 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
7251 save/restore frame pointer register and don't use 'call-prologues'
7252 optimization in function with "OS_task" attribute.
7254 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
7257 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7258 when copying to memory.
7260 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
7262 PR rtl-optimization/30905
7263 * cfgcleanup.c: Include dce.h
7264 (crossjumps_occured): New global variable.
7265 (try_crossjump_bb): Exit loop after finding a fallthru edge.
7266 If something changed, set crossjumps_occured to true.
7267 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7268 Don't add/remove fake edges to exit here...
7269 (cleanup_cfg): ...but do it here, when crossjumping.
7270 Run a fast DCE when successful crossjumps occured in the latest
7271 iteration of try_optimize_cfg.
7273 2008-01-11 Richard Guenther <rguenther@suse.de>
7275 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7276 (struct vn_unary_op_s): Likewise.
7277 (vn_reference_insert): Free old reference on hash collision.
7279 2008-01-10 Raksit Ashok <raksit@google.com>
7281 PR rtl-optimization/27971
7282 * combine.c (find_split_point): Split PLUS expressions which are
7283 inside a MEM rtx, and whose first operand is complex.
7285 2008-01-10 DJ Delorie <dj@redhat.com>
7287 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
7288 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
7289 (m32c_hard_regno_ok): Call the underlying function.
7291 2008-01-10 Richard Guenther <rguenther@suse.de>
7294 * tree-cfg.c (tree_merge_blocks): Do not go through the
7295 full-blown folding and stmt updating path if we just deal
7296 with virtual operands.
7297 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
7298 test for abnormal SSA_NAMEs.
7300 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
7303 * reload.c (push_reload): Add assertions. All constants from
7304 reg_equiv_constant should have been used for replacing the respective
7306 (find_reloads_address): Invoke find_reloads_address_part for
7307 constant taken from the reg_equiv_constant array.
7309 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
7311 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
7312 field (valnum) the first in the struct. Replace bools with
7315 2008-01-10 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/34651
7318 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
7319 types and ordering for masking and converting.
7321 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
7323 PR tree-optimization/34017
7324 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
7325 also for PHI_NODE expressions.
7327 2008-01-09 Jan Hubicka <jh@suse.cz>
7329 PR tree-optimization/34708
7330 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
7331 based on number of case labels.
7332 (init_inline_once): Remove switch_cost.
7333 * tree-inline.h (eni_weights_d): Remove switch_cost.
7335 2008-01-09 Richard Guenther <rguenther@suse.de>
7336 Andrew Pinski <andrew_pinski@playstation.sony.com>
7339 * gimplify.c (gimplify_cond_expr): Do not create an addressable
7340 temporary if an rvalue is ok or an lvalue is not required.
7342 2008-01-09 Richard Guenther <rguenther@suse.de>
7345 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
7348 2008-01-09 Richard Guenther <rguenther@suse.de>
7351 * tree.c (host_integerp): Check for sizetype only if the
7352 type is an integer type.
7354 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
7357 * opts.c (decode_options): Disable inlining of functions called
7358 once if not in unit-at-a-time mode.
7360 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
7362 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
7364 2008-01-08 Richard Guenther <rguenther@suse.de>
7367 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
7368 out early if the result will be unused.
7370 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7375 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7376 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7379 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
7381 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
7382 for vectorization tuned.
7384 2008-01-08 Richard Guenther <rguenther@suse.de>
7386 PR tree-optimization/34683
7387 * tree-ssa-operands.c (operand_build_cmp): Export.
7388 * tree-ssa-operands.h (operand_build_cmp): Declare.
7389 * tree-vn.c (vuses_compare): Remove.
7390 (sort_vuses): Use operand_build_cmp.
7391 (sort_vuses_heap): Likewise.
7392 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
7393 to re-use old VEC if available. Do not sort already sorted VUSEs.
7394 (vdefs_to_vec): Do not sort already sorted VDEFs.
7396 2008-01-08 Jakub Jelinek <jakub@redhat.com>
7399 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
7401 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7404 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
7405 limitations of reciprocal sequences on x86 targets.
7407 2008-01-08 Richard Guenther <rguenther@suse.de>
7409 PR tree-optimization/34683
7410 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
7412 2008-01-07 Jakub Jelinek <jakub@redhat.com>
7415 * config/darwin.c (darwin_mergeable_string_section): Don't use
7416 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
7418 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
7421 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
7422 negxf2. Macroize expander using X87MODEF mode iterator. Change
7423 predicates of op0 and op1 to register_operand.
7424 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
7425 expander using X87MODEF mode iterator. Change predicates of
7426 op0 and op1 to register_operand.
7427 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
7428 corresponding patterns and macroize using MODEF macro. Change
7429 predicates of op0 and op1 to register_operand and remove
7430 "m" constraint. Disparage "r" alternative with "!".
7431 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
7432 macroize using X87MODEF macro. Change predicates of op0 and op1
7433 to register_operand and remove "m" constraint. Disparage "r"
7434 alternative with "!".
7435 (absneg splitter with memory operands): Remove.
7436 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
7437 patterns and macroize using X87MODEF mode iterator.
7438 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
7439 Change predicate of op1 to register_operand.
7440 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
7441 for memory operands.
7443 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
7445 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
7447 2008-01-07 Richard Guenther <rguenther@suse.de>
7449 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
7452 2008-01-07 Richard Guenther <rguenther@suse.de>
7454 PR tree-optimization/34683
7455 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
7456 VOPs of the needed size to save memory. Use VEC_quick_push
7457 to save compile-time.
7458 (vdefs_to_vec): Likewise.
7460 2008-01-07 Sa Liu <saliu@de.ibm.com>
7462 * config/spu/spu.md (divdf3): Genetate inline code for double
7463 division. The implementation doesn't handle INF or NAN, therefore it
7464 only applies when -ffinite-math-only is given.
7466 2008-01-06 Paolo Carlini <pcarlini@suse.de>
7469 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
7470 * doc/cpp.texi ([Common Predefined Macros]): Document.
7472 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
7474 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
7475 order to use commutative addition instead of subtraction.
7477 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7478 Mircea Namolaru <namolaru@il.ibm.com>
7479 Vladimir Yanovsky <yanov@il.ibm.com>
7480 Revital Eres <eres@il.ibm.com>
7482 PR tree-optimization/34263
7483 * tree-outof-ssa.c (process_single_block_loop_latch,
7484 contains_tree_r): New functions.
7485 (analyze_edges_for_bb): Call process_single_block_loop_latch
7486 function to empty single-basic-block latch block if possible.
7488 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7490 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7492 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7494 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7496 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7498 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7500 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7502 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7504 PR tree-optimization/34618
7505 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7508 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7511 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7512 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7513 Update copyright year.
7515 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7516 Update copyright year.
7517 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7520 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7522 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7523 edge does not point to current bb before changing need_assert.
7525 2008-01-04 Richard Guenther <rguenther@suse.de>
7528 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7529 for verifying purposes if they are is_gimple_min_invariant.
7531 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7533 PR tree-optimization/34448
7534 PR tree-optimization/34465
7535 * gimplify.c (gimplify_init_constructor): Add new parameter
7536 notify_temp_creation. Use it.
7537 (gimplify_modify_expr_rhs): Take volatiles into account when
7538 optimizing constructors.
7539 Do not optimize constructors if gimplify_init_constructor will dump to
7541 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7542 * gcc.c-torture/compile/pr34448.c: New.
7544 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7546 PR gcov-profile/34609
7547 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7548 return_slot if result is TREE_ADDRESSABLE.
7550 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7552 * config/mips/mips.md (sqrt_condition): Tweak comment.
7553 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7555 2008-01-03 Tom Tromey <tromey@redhat.com>
7558 * c-common.c (c_type_hash): Handle VLAs.
7560 2008-01-03 Jan Hubicka <jh@suse.cz>
7562 PR tree-optimization/31081
7563 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7564 0 when inlining and not inlining to first basic block.
7565 (remap_decl): When var is initialized to 0, don't set default_def.
7566 (expand_call_inline): Set entry_bb.
7567 * tree-inline.h (copy_body_data): Add entry_bb.
7569 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7572 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7575 PR tree-optimization/29484
7576 * tree-inline.c (inline_forbidden_p_2): New function.
7577 (inline_forbidden_p): Disallow inlining if some static var
7578 has an address of a local LABEL_DECL in its initializer.
7579 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7582 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7584 PR tree-optimization/34635
7585 * tree-data-ref.c (add_other_self_distances): Make sure that the
7586 evolution step is constant.
7588 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7591 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7593 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7595 * tree-sra.c (scalarize_init): Insert the generate_element_init
7596 statements after the generate_element_zero statements.
7598 2008-01-02 Richard Guenther <rguenther@suse.de>
7602 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7603 for very large number of operands instead of ICEing.
7605 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7608 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7609 while stack probing.
7611 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7613 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7616 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7619 * tree-mudflap.c (mx_register_decls): Guard warning by
7620 !DECL_ARTIFICIAL check.
7622 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7624 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7625 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7626 sse5_perm<mode>): Fix constraints.