1 2008-04-30 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/14847
4 * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
5 (recognize_bits_test): Use it.
6 (recognize_single_bit_test): Likewise.
8 2008-04-30 Martin Jambor <mjambor@suse.cz>
10 * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
11 instead of setting number of formal parameters to zero.
12 (ipcp_init_stage): Do not set the number of actual parameters to zero
14 (ipcp_propagate_stage): Explicitly skipping all calls to nodes
15 which are called with variable number of arguments.
16 (ipcp_insert_stage): Explicitely skipping all nodes which are
17 called with variable number of arguments.
18 (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
21 * ipa-prop.h (struct ipa_node_params): Added flag
22 called_with_var_arguments
23 (ipa_set_param_count): Added. Changed sole setter to use it.
24 (ipa_get_param_count): Added. All readers of param_count
25 converted to use it instead.
26 (ipa_set_called_with_variable_arg): Added.
27 (ipa_is_called_with_var_arguments): Added.
28 (ipa_get_ith_param): Added. All readers of param_decls converted
30 (ipa_set_cs_argument_count): Added, sole writer to argument_count
32 (ipa_get_cs_argument_count): Added, all readers of argument_count
34 (ipa_get_ith_jump_func): Added. Accessors of jump values changed
37 * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
38 (struct ipcp_lattice): Renamed cval_type to type
39 (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
41 * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
42 (ipcp_cval_set_cvalue): Changed type of parameter value to tree
43 (ipcp_insert_stage): Changed the type of variable cvalue to tree
44 (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
45 (build_const_val): Changed the type of parameter cvalue to tree
46 (ipcp_propagate_const): Changed the type of parameter cvalue to tree
47 (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
49 * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
52 * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
53 (ipa_methodlist_not_empty): Removed, the sole user now checks directly
54 (ipa_add_method): Renamed to ipa_push_func_to_list
55 (ipa_remove_method): Renamed to ipa_pop_func_from_list
56 (ipa_callsite_param_count): Removed.
57 (ipa_callsite_param_count_set): Removed.
58 (ipa_callsite_param): Removed.
59 (ipa_callsite_callee): Removed.
60 (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
61 (ipa_callsite_compute_count): Renamed to ipa_count_arguments
62 (ipa_method_formal_count): Removed.
63 (ipa_method_formal_count_set): Removed.
64 (ipa_method_get_tree): Removed.
65 (ipa_method_tree_map_create): Removed.
66 (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
67 (ipa_create_param_decls_array): Creates the array itself
68 (ipa_create_param_decls_array): Temporary variable info instead of
70 (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
71 (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
73 (ipa_jf_get_info_type): Removed.
74 (ipa_node_create): Renamed to ipa_create_node_params
75 (ipa_free): Renamed to ipa_free_all_node_params
76 (ipa_nodes_create): Renamed to ipa_create_all_node_params
77 (ipa_edges_create): Renamed to ipa_create_all_edge_args
78 (ipa_edges_free): Renamed to ipa_free_all_edge_args
79 (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
80 (ipa_free_all_node_params): Deallocation to jump_functions moved to
81 ipa_free_all_edge_args
82 (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
83 (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
84 (ipa_create_methodlist_node): Removed.
85 (ipa_methodlist_method): Removed.
86 (ipa_methodlist_method_set): Removed.
87 (ipa_methodlist_next_method): Removed.
88 (ipa_methodlist_next_method_set): Removed.
89 (ipa_method_is_modified): Removed.
90 (ipa_method_modify_create): Removed.
91 (ipa_method_modify_init): Temporary variable info instead of a few
93 (ipa_detect_param_modifications): Temporary variable info instead of
95 (ipa_compute_jump_functions): Temporary variable info instead of
97 (ipa_method_modify_set): Removed.
98 (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
99 (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
100 than craph_node as the first parameter.
101 (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
102 (ipa_method_modify_init): Removed.
103 (ipa_compute_jump_functions): Added a temp variable instead of
104 repeatadly dereferencing the cgraph_edge.aux pointer
105 (ipa_callsite_param_set_type): Removed.
106 (ipa_compute_jump_functions): i renamed to index and moved to
108 (ipa_callsite_param_set_info_type_formal): Removed.
109 (ipa_callsite_param_set_info_type): Removed.
110 (ipa_callsite_param_map_create): Removed.
111 (ipa_callsite_tree): Removed.
112 (ipa_callsite_caller): Removed.
113 (ipa_pop_func_from_list): return_method removed to return_func
115 * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
116 prefixed all values with IPA_. Changed all users.
117 (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
118 CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
119 and FORMAL_IPATYPE IPA_PASS_THROUGH.
120 (union parameter_info): Renamed to jump_func_value.
121 (union jump_func_value): Renamed value to constant
122 (struct ipa_jump_func): Renamed info_type to value
123 (struct ipa_node): Renamed to ipa_node_params
124 (struct ipa_node_params): Renamed ipa_arg_num to param_count
125 (struct ipa_node_params): Renamed ipa_param_tree to param_decls
126 (struct ipa_node_params): Renamed ipa_mod to modified_flags
127 (struct ipa_edge): Renamed to ipa_edge_args
128 (struct ipa_edge_args): Renamed ipa_param_num to argument_count
129 (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
130 (struct ipa_methodlist): Renamed to ipa_func_list
131 (struct ipa_func_list): method_p renamed to node, next_method
133 (ipa_methodlist_p): Removed, switched all users to struct pointer
134 (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
136 2008-04-30 Alan Modra <amodra@bigpond.net.au>
138 * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
139 (rs6000_emit_epilogue): Use backchain to restore only when we
140 have a large frame. Make use of frame pointer to restore if we
141 have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
143 2008-04-29 Paolo Bonzini <bonzini@gnu.org>
145 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
146 Add mode to zero_extract.
147 (sign bit tests peepholes): (Ditto.).
149 2008-04-29 H.J. Lu <hongjiu.lu@intel.com>
151 * config/i386/i386.c (ix86_builtins): Replace Prescott New
152 Instructions in comments with SSE3.
153 (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128,
154 INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
155 INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
156 V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
157 V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
158 V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
159 V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
160 V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
161 V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
162 V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
163 V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
164 V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
165 (bdesc_sse_args): Renamed to ...
166 (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
167 IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
168 IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
170 (bdesc_1arg): Moved to ...
172 (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New
173 Instructions in comments with SSE3.
174 (ix86_expand_sse_operands_builtin): Renamed to ...
175 (ix86_expand_args_builtin): This. Updated.
176 (ix86_expand_unop1_builtin): Update comments.
177 (ix86_expand_builtin): Updated.
179 2008-04-29 Richard Guenther <rguenther@suse.de>
181 PR tree-optimization/36078
182 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
183 Update virtual SSA form after cleaning up the CFG.
185 2008-04-29 Richard Guenther <rguenther@suse.de>
188 * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
190 2008-04-29 Richard Guenther <rguenther@suse.de>
192 * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
193 (compute_may_aliases): Do not call finalize_ref_all_pointers.
194 (compute_flow_insensitive_aliasing): Do not treat
195 PTR_IS_REF_ALL pointers special.
196 (get_smt_for): Likewise.
197 (may_alias_p): Re-structure.
198 (is_escape_site): A ref-all pointer conversion is not an escape site.
199 * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
200 PTR_IS_REF_ALL pointers special.
201 * tree-ssa-structalias.h (struct alias_info): Remove
202 ref_all_symbol_mem_tag field.
203 (PTR_IS_REF_ALL): Remove.
205 2008-04-29 Richard Guenther <rguenther@suse.de>
208 * fold-const.c (extract_muldiv_1): In combining division constants
209 make sure to never overflow.
211 2008-04-29 Nick Clifton <nickc@redhat.com>
213 * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
215 2008-04-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
218 * optc-gen.awk: Work around HP-UX/IA awk bug.
220 2008-04-28 Danny Smith <dannysmith@users.sourceforge.net>
222 * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
225 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
228 * config/i386/i386.md
229 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
230 Change operand 1 predicate to nonimmediate_operand.
232 2008-04-28 Jakub Jelinek <jakub@redhat.com>
235 * dwarf2out.c (struct die_struct): Mark as chain_circular through
237 * gengtype.c (walk_type, write_func_for_structure): Handle
239 * doc/gty.texi: Document chain_circular.
241 2008-04-28 Richard Guenther <rguenther@suse.de>
243 PR tree-optimization/36066
244 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
247 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
250 * config/i386/i386.md
251 (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
252 Use match_scratch instead of match_operand for operands 3 and 4.
254 2008-04-27 Richard Guenther <rguenther@suse.de>
256 PR tree-optimization/18754
257 PR tree-optimization/34223
258 * tree-pass.h (pass_complete_unrolli): Declare.
259 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
260 loop size before and after unconditionally of UL_NO_GROWTH in effect.
261 Rewrite loop into loop closed SSA form if it is not already.
262 (tree_unroll_loops_completely): Re-structure to iterate over
263 innermost loops with intermediate CFG cleanups.
264 Unroll outermost loops only if requested or the code does not grow
266 * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
268 (tree_vectorize): Instead do so here.
269 (tree_complete_unroll): Also unroll outermost loops.
270 (tree_complete_unroll_inner): New function.
271 (gate_tree_complete_unroll_inner): Likewise.
272 (pass_complete_unrolli): New pass.
273 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
274 uses outside of the loop.
275 (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
276 form if it is available.
277 * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
278 * passes.c (init_optimization_passes): Schedule complete inner
279 loop unrolling pass before the first CCP pass after final inlining.
281 2008-04-27 Nathan Sidwell <nathan@codesourcery.com>
283 * targhooks.h (default_emutls_var_fields,
284 default_emutls_var_init): Declare.
285 * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
286 * target.h (struct gcc_target): Add struct emutls member.
287 * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
288 TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
289 TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
290 TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
291 TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
292 TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
293 (TARGET_INITIALIZER): Add TARGET_EMUTLS.
294 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
295 BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
296 * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
297 emit debug information.
298 * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
299 * varasm.c: Include targhooks.h.
300 (emutls_object_section, emutls_tmpl_section): New.
301 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
302 (EMUTLS_SEPARATOR): New.
304 (get_emutls_object_name): New.
305 (default_emutls_var_fields): New, broken out of ...
306 (get_emutls_object_type): ... here. Adjust to use target hooks.
307 (get_emutls_init_templ_addr): Adjust to use target hooks.
308 (emutls_decl): Adjust to use target hooks.
309 (emutls_finish): Likewise.
310 (default_emutls_var_init): New, broken out of ...
311 (assemble_variable): ... here. Adjust to use target hooks.
312 * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
314 * c-common.c (handle_section_attribute): Prevent overriding
315 sections for emulated tls with special sections.
316 * config/i386/i386.c (x86_64_elf_select_section): Add
317 SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
318 (x86_64_elf_unique_section): Likewise.
319 * config/vxworks.c: Include tree.h.
320 (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
321 (vxworks_override_options): Set TLS scheme.
322 * doc/tm.texi (Emulated TLS): New node.
324 2008-04-26 Simon Baldwin <simonb@google.com>
327 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
328 with propagated string constants.
330 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
332 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
333 constraint for operand 2 when operand 0 is memory operand.
334 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
335 operand 0 is memory operand.
336 (fix_trunc<mode>_i387_with_temp): Ditto.
337 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
338 operand 2 when operand 1 is memory operand.
339 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
340 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
341 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
342 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
343 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
344 operands 2,3 and 4 when operand 1 is memory operand.
345 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
347 (fistdi2_floor_with_temp): Ditto.
348 (fist<mode>2_floor_with_temp): Ditto.
349 (fistdi2_ceil_with_temp): Ditto.
350 (fist<mode>2_ceil_with_temp): Ditto.
351 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
353 2008-04-26 David Daney <ddaney@avtrex.com>
355 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
357 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
358 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
359 UNSPEC_UPDATE_GOT_VERSION): Renumber.
360 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
361 (compare_and_swap_12): New insn.
362 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
363 * config/mips/mips.c (mips_force_binary): New function.
364 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
365 (mips_expand_compare_and_swap_12): New function.
366 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
368 2008-04-25 Jan Hubicka <jh@suse.cz>
371 * cfgexpand.c (pass_expand): Turn into RTL pass.
372 * passes.c (execute_one_pass): Do pass typechecking after execution.
373 * tree-pass.h (pass_expand): Turn into RTL pass.
375 * function.h (struct rtl_data): Move here fields
376 accesses_prior_frames, calls_eh_return, saves_all_registers,
377 has_nonlocal_goto, has_asm_statement, is_thunk,
378 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
379 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
380 arg_pointer_save_area_init from struct function; turn into bool.
381 (struct function): Move
382 calls_eh_return, saves_all_registers, has_nonlocal_goto,
383 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
384 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
385 tail_call_emit, arg_pointer_save_area_init
386 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
387 (current_function_returns_struct, current_function_returns_pcc_struct,
388 current_function_calls_setjmp, current_function_calls_alloca,
389 current_function_accesses_prior_frames,
390 current_function_calls_eh_return, current_function_is_thunk,
391 current_function_stdarg, current_function_profile,
392 current_function_limit_stack, current_function_uses_pic_offset_table,
393 current_function_uses_const_pool, current_function_has_nonlocal_label,
394 current_function_saves_all_registers,
395 current_function_has_nonlocal_goto,
396 current_function_has_asm_statement): Remove accesor macros.
397 * ra-conflict.c (global_conflicts): Update.
398 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
399 (suitable_for_tail_call_opt_p): Update.
400 * builtins.c (expand_builtin_return_addr): Update.
401 (expand_builtin_setjmp_setup): Update.
402 (expand_builtin_nonlocal_goto): Update.
403 * final.c (final_start_function): Update.
404 (profile_function): Update.
405 (leaf_function_p): Update.
406 (only_leaf_regs_used): Update.
407 * df-scan.c (df_get_exit_block_use_set): Update.
408 * dojump.c (clear_pending_stack_adjust): Update.
409 * tree-stdarg.c (gate_optimize_stdarg): Update.
410 * gimple-low.c (lower_function_body): Update.
411 * global.c (compute_regsets): Update.
412 (global_alloc): Update.
413 * dwarf2out.c (dwarf2out_begin_prologue): Update.
414 * expr.c (expand_assignment): Update.
415 * dse.c (dse_step0): Update.
417 * c-decl.c (store_parm_decls): Update.
418 * local-alloc.c (combine_regs): Update.
419 (find_free_reg): Update.
420 * function.c (assign_parms_augmented_arg_list): Update.
421 (assign_parm_find_data_types): Update.
422 (assign_parms): Update.
423 (allocate_struct_function): Update.
424 (expand_function_start): Update.
425 (expand_function_end): Update.
426 (get_arg_pointer_save_area): Update.
427 (thread_prologue_and_epilogue_insns): Update.
428 (rest_of_match_asm_constraints): Update.
429 * stor-layout.c (variable_size): Update.
430 * gcse.c (gcse_main): Update.
431 (bypass_jumps): Update.
432 * gimplify.c (gimplify_function_tree): Update.
433 * calls.c (emit_call_1): Update.
434 (expand_call): Update.
435 * bt-load.c (compute_defs_uses_and_gen): Update.
436 * except.c (sjlj_assign_call_site_values): Update.
437 (sjlj_emit_function_enter): Update.
438 (can_throw_external): Update.
439 (set_nothrow_function_flags): Update.
440 (expand_builtin_unwind_init): Update.
441 (expand_eh_return): Update.
442 (convert_to_eh_region_ranges): Update.
443 (output_function_exception_table): Update.
444 * emit-rtl.c (gen_tmp_stack_mem): Update.
445 * cfgexpand.c (expand_used_vars): Update.
446 (tree_expand_cfg): Update.
447 * cfgcleanup.c (rest_of_handle_jump): Update.
448 * explow.c (allocate_dynamic_stack_space): Update.
449 * varasm.c (assemble_start_function): Update.
450 (force_const_mem): Update.
451 (mark_constant_pool): Update.
452 * tree-optimize.c (tree_rest_of_compilation): Update.
453 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
454 * tree-cfg.c (notice_special_calls): Update.
455 (is_ctrl_altering_stmt): Update.
456 (tree_can_make_abnormal_goto): Update.
457 (tree_purge_dead_abnormal_call_edges): Update.
458 * config/alpha/predicates.md: Update.
459 * config/alpha/alpha.c (alpha_sa_mask): Update.
460 (alpha_sa_size): Update.
461 (alpha_does_function_need_gp): Update.
462 (alpha_expand_prologue): Update.
463 (alpha_start_function): Update.
464 (alpha_output_function_end_prologue): Update.
465 (alpha_expand_epilogue): Update.
466 * config/frv/frv.c (frv_stack_info): Update.
467 (frv_expand_epilogue): Update.
468 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
469 (s390_register_info): Update.
470 (s390_frame_info): Update.
471 (s390_init_frame_layout): Update.
472 (s390_can_eliminate): Update.
474 * config/spu/spu.c (spu_split_immediate): Update.
475 (need_to_save_reg): Update.
476 (spu_expand_prologue): Update.
477 (spu_expand_epilogue): Update.
478 * config/sparc/sparc.md: Update.
479 * config/sparc/sparc.c (eligible_for_return_delay): Update.
480 (sparc_tls_got): Update.
481 (legitimize_pic_address): Update.
482 (sparc_emit_call_insn): Update.
483 (sparc_expand_prologue): Update.
484 (output_return): Update.
485 (print_operand): Update.
486 (sparc_function_ok_for_sibcall): Update.
487 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
488 * config/m32r/m32r.md: Update.
489 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
490 (m32r_compute_frame_size): Update.
491 (m32r_expand_prologue): Update.
492 (m32r_expand_epilogue): Update.
493 (m32r_legitimize_pic_address): Update.
494 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
495 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
496 * config/i386/i386.c (ix86_frame_pointer_required): Update.
498 (ix86_save_reg): Update.
499 (ix86_compute_frame_layout): Update.
500 (ix86_expand_prologue): Update.
501 (ix86_expand_epilogue): Update.
502 * config/sh/sh.c (output_stack_adjust): Update.
503 (calc_live_regs): Update.
504 (sh5_schedule_saves): Update.
505 (sh_expand_prologue): Update.
506 (sh_expand_epilogue): Update.
507 (sh_setup_incoming_varargs): Update.
508 (sh_allocate_initial_value): Update.
509 (sh_get_pr_initial_val): Update.
510 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
511 * config/sh/sh.md (label:): Update.
512 * config/avr/avr.c (out_movhi_mr_r): Update.
513 * config/crx/crx.h (enum): Update.
514 * config/xtensa/xtensa.h (along): Update.
515 * config/stormy16/stormy16.c Update.
516 (xstormy16_compute_stack_layout): Update.
517 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
518 (fr30_expand_prologue): Update.
519 * config/cris/cris.c (cris_conditional_register_usage): Update.
520 (cris_reg_saved_in_regsave_area): Update.
521 (cris_initial_frame_pointer_offset): Update.
522 (cris_simple_epilogue): Update.
523 (cris_expand_prologue): Update.
524 (cris_expand_epilogue): Update.
525 (cris_expand_pic_call_address): Update.
526 (cris_asm_output_symbol_ref): Update.
527 (cris_asm_output_label_ref): Update.
528 * config/cris/cris.md Update.
529 * config/iq2000/iq2000.c (compute_frame_size): Update.
530 (iq2000_expand_epilogue): Update.
531 * config/mt/mt.h (save_direction): Update.
532 * config/mn10300/mn10300.c (mn10300_function_value): Update.
533 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
534 (ia64_secondary_reload_class): Update.
535 * config/m68k/m68k.c (m68k_save_reg): Update.
536 (m68k_expand_prologue): Update.
537 (m68k_expand_epilogue): Update.
538 (legitimize_pic_address): Update.
539 * config/rs6000/rs6000.c (rs6000_got_register): Update.
540 (first_reg_to_save): Update.
541 (first_altivec_reg_to_save): Update.
542 (compute_vrsave_mask): Update.
543 (compute_save_world_info): Update.
544 (rs6000_stack_info): Update.
545 (spe_func_has_64bit_regs_p): Update.
546 (rs6000_ra_ever_killed): Update.
547 (rs6000_emit_eh_reg_restore): Update.
548 (rs6000_emit_allocate_stack): Update.
549 (rs6000_emit_prologue): Update.
550 (rs6000_emit_epilogue): Update.
551 (rs6000_output_function_epilogue): Update.
552 (output_profile_hook): Update.
553 (rs6000_elf_declare_function_name): Update.
554 * config/rs6000/rs6000.h (rs6000_args): Update.
555 * config/rs6000/rs6000.md: Update.
556 * config/mcore/mcore.c (mcore_expand_prolog): Update.
557 * config/arc/arc.c (arc_output_function_epilogue): Update.
558 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
559 * config/darwin.c (machopic_function_base_name): Update.
560 * config/score/score3.c (score3_compute_frame_size): Update.
563 (score3_epilogue): Update.
564 * config/score/score7.c (score7_compute_frame_size): Update.
565 (score7_prologue): Update.
566 (score7_epilogue): Update.
567 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
568 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
569 * config/arm/arm.c (use_return_insn): Update.
570 (require_pic_register): Update.
571 (arm_load_pic_register): Update.
572 (arm_compute_save_reg0_reg12_mask): Update.
573 (arm_compute_save_reg_mask): Update.
574 (thumb1_compute_save_reg_mask): Update.
575 (output_return_instruction): Update.
576 (arm_output_function_prologue): Update.
577 (arm_output_epilogue): Update.
578 (arm_get_frame_offsets): Update.
579 (arm_expand_prologue): Update.
580 (thumb_pushpop): Update.
581 (thumb_exit): Update.
582 (thumb1_expand_prologue): Update.
583 (thumb1_expand_epilogue): Update.
584 (arm_unwind_emit): Update.
585 (arm_output_fn_unwind): Update.
586 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
587 * config/arm/arm.md: Update.
588 * config/pa/pa.md: Update.
589 * config/pa/pa.c (legitimize_pic_address): Update.
590 (compute_frame_size): Update.
591 (hppa_expand_prologue): Update.
592 (hppa_expand_epilogue): Update.
593 (borx_reg_operand): Update.
594 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
595 (HARD_REGNO_RENAME_OK): Update.
596 * config/mips/mips.c (mips_global_pointer): Update.
597 (mips_save_reg_p): Update.
598 (mips_compute_frame_info): Update.
599 (mips_frame_pointer_required): Update.
600 (mips_expand_prologue): Update.
601 (mips_expand_epilogue): Update.
602 (mips_can_use_return_insn): Update.
603 (mips_reorg_process_insns): Update.
604 * config/v850/v850.c (compute_register_save_size): Update.
605 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
606 * config/mmix/mmix.c (along): Update.
607 (mmix_expand_epilogue): Update.
608 * config/bfin/bfin.c (legitimize_pic_address): Update.
609 (must_save_p): Update.
610 (stack_frame_needed_p): Update.
611 (add_to_reg): Update.
612 (bfin_expand_prologue): Update.
613 * stmt.c (expand_asm_operands): Update.
614 * reload1.c (reload): Update.
615 (init_elim_table): Update.
617 2008-04-25 Bob Wilson <bob.wilson@acm.org>
619 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
621 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
623 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with
625 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
626 (mov<mode>): Removed.
627 (*movv4sf_internal): Likewise.
628 (*movv2df_internal): Likewise.
630 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
632 * config.gcc (crx-*-elf): Remove deprecation.
634 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
636 * config/i386/cygming-crtend.c (register_frame_ctor): Register
637 __gcc_deregister_frame with atexit.
638 (deregister_frame_dtor): Remove.
640 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
641 Nathan Sidwell <nathan@codesourcery.com>
643 * config/rs6000/rs6000.opt (mspe): Remove Var property.
645 * config/rs6000/rs6000.h (rs6000_spe): Declare.
646 (rs6000_isel): Likewise.
647 * config/rs6000/rs6000.c (rs6000_spe): New variable.
648 (rs6000_isel): New variable.
649 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
651 2008-04-24 Jakub Jelinek <jakub@redhat.com>
654 * c-common.c (handle_vector_size_attribute): Call
655 lang_hooks.types.reconstruct_complex_type instead of
656 reconstruct_complex_type.
657 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
658 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
659 * langhooks.h (struct lang_hooks_for_types): Add
660 reconstruct_complex_type hook.
661 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
662 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
664 2008-04-24 Richard Guenther <rguenther@suse.de>
666 * c-common.h (check_builtin_function_arguments): Declare.
667 * c-common.c (validate_nargs): New function.
668 (check_builtin_function_arguments): Likewise.
669 * c-typeck.c (build_function_call): Call
670 check_builtin_function_arguments.
671 * builtins.c (fold_builtin_classify): Remove error reporting code.
672 (fold_builtin_unordered_cmp): Likewise.
673 (fold_builtin_1): Likewise.
674 (fold_builtin_n): Likewise.
676 2008-04-24 Jakub Jelinek <jakub@redhat.com>
678 PR tree-optimization/36008
679 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
680 the original op1, rather than delta by step.
682 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
683 Sebastian Pop <sebastian.pop@amd.com>
685 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
686 eliminate_local_variables_stmt, eliminate_local_variables,
687 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
688 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
689 of code delimited by two edges in the CFG.
690 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
691 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
692 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
693 the case of parallelisation of reductions.
694 (expr_invariant_in_region_p): New.
696 * tree-flow.h (gather_blocks_in_sese_region): Declared.
697 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
699 2008-04-24 Ira Rosen <irar@il.ibm.com>
700 Richard Guenther <rguenther@suse.de>
702 PR tree-optimization/36034
703 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
704 incapable of dealing with loads with gaps.
706 2008-04-24 Rafael Espindola <espindola@google.com>
708 * tree-flow.h (vrp_evaluate_conditional): Change signature.
709 * tree-ssa-propagate.c (fold_predicate_in): Update call to
710 vrp_evaluate_conditional.
711 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
712 (vrp_evaluate_conditional): Split the cond argument.
713 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
714 (simplify_stmt_for_jump_threading): Update call to
715 vrp_evaluate_conditional.
717 2008-04-24 Ira Rosen <irar@il.ibm.com>
719 PR tree-optimization/35982
720 * tree-vect-analyze.c (vect_check_interleaving): Check that the
721 interleaved data-refs are of the same type.
723 2008-04-24 Danny Smith <dannysmith@users.net>
725 * c-format.c (check_format_info_main): Use strncmp rather than a
726 magic prefix to handle multichar length specs.
727 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
728 Don't prefix "I64" and "I32" with '\0'.
730 2008-04-24 Jakub Jelinek <jakub@redhat.com>
733 * config/i386/i386.c (init_cumulative_args): Don't pass anything
734 in registers for -m32 only if stdarg_p (fntype).
736 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
738 PR rtl-optimization/36006
739 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
740 temp to op0 in order to avoid invalid rtx sharing.
742 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
744 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
745 check TREE_INVARIANT.
746 * tree-gimple.c (is_gimple_address): New.
747 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
748 * tree-gimple.h (is_gimple_address): New.
749 * tree.h (decl_address_invariant_p): New.
750 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
751 (build_string): Likewise.
752 (decl_address_invariant_p): New, from is_gimple_invariant_address.
753 (tree_invariant_p_1): Likewise.
755 (tree_invariant_p): New.
756 (skip_simple_arithmetic): Use it.
757 (stabilize_reference_1): Use it.
758 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
760 (build1_stat): Drop code to compute TREE_INVARIANT.
761 (build2_stat): Drop code to compute TREE_INVARIANT.
762 (build3_stat): Drop code to compute TREE_INVARIANT.
763 (build4_stat): Drop code to compute TREE_INVARIANT.
764 (build5_stat): Drop code to compute TREE_INVARIANT.
765 (build7_stat): Drop code to compute TREE_INVARIANT.
766 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
767 * tree.h (struct tree_base): Remove invariant_flag.
768 (TREE_INVARIANT): Remove.
769 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
770 (fold_builtin_expect): Check TREE_CONSTANT.
771 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
772 * c-tree.h (c_expr_to_decl): Drop third parameter.
773 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
774 (build_c_cast): Don't set TREE_INVARIANT.
775 (pop_init_level): Don't set TREE_INVARIANT.
776 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
777 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
779 (gimplify_init_constructor): Don't set TREE_INVARIANT.
780 (gimplify_addr_expr): Adjust comment.
781 * tree-mudflap.c (mf_build_string):
782 * print-tree.c (print_node): Don't print TREE_INVARIANT.
783 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
784 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
785 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
786 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
787 * langhooks.h (struct lang_hooks): Drop third parameter from
790 2008-04-23 Richard Guenther <rguenther@suse.de>
792 PR tree-optimization/27799
793 PR tree-optimization/32921
794 PR tree-optimization/32624
795 * tree-ssa-structalias.c (merge_smts_into): Only merge the
796 SMTs aliases and the tag itself into the solution.
797 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
798 merge the points-to solution back into the SMT aliases.
799 (may_alias_p): Use alias_set_subset_of instead of
800 aliases_conflict_p. A pointer which points to
801 memory with alias set zero may access any variable.
803 2008-04-23 Richard Guenther <rguenther@suse.de>
805 * alias.c (alias_set_subset_of): Correctly handle asking
806 if zero is a subset of an alias set with zero child.
807 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
808 (compute_flow_insensitive_aliasing): Correctly walk all
809 pointers. Do not unnecessarily union sets.
811 2008-04-23 Richard Guenther <rguenther@suse.de>
814 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
816 2008-04-22 Tomas Bily <tbily@suse.cz>
818 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
820 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
822 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
823 * tree-ssa-structalias.c (get_constraint_for): Likewise.
824 * tree-inline.c (estimate_num_insns_1): Likewise.
825 * varasm.c (const_hash_1, compare_constant, copy_constant)
826 (compute_reloc_for_constant, output_addressed_constants): Likewise.
827 * emit-rtl.c (component_ref_for_mem_expr)
828 (set_mem_attributes_minus_bitpos): Likewise.
829 * expr.c (highest_pow2_factor, expand_expr_real_1, )
830 (is_aligning_offset): Likewise.
831 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
832 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
833 * dojump.c (do_jump): Likewise.
834 * builtins.c (get_pointer_alignment, get_memory_rtx)
835 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
836 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
838 2008-04-23 Jakub Jelinek <jakub@redhat.com>
840 PR rtl-optimization/36017
841 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
842 expanding the library call.
844 2008-04-22 Ian Lance Taylor <iant@google.com>
846 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
849 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
851 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
852 of LR/CTR moves for Power6.
854 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
857 * passes.c (init_optimization_passes): Remove
858 pass_fast_rtl_byte_dce.
860 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
863 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
864 builtin functions to generate faster code.
865 (_mm_cvtpu16_ps): Ditto.
866 (_mm_cvtpi32x2_ps): Ditto.
868 2008-04-22 Nick Clifton <nickc@redhat.com>
870 * common.opt (ftree-loop-distribution): Add Optimization
873 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
874 (frv_expand_builtin_va_start): Likewise.
876 * config/arm/arm.c (thumb_find_work_register): Fix location of
877 argument register count.
879 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
881 Support scheduling for ColdFire V1 and V3 microarchitecture.
882 Improve scheduling of multiplication instructions.
884 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
885 (mac): New instruction attribute.
886 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
887 (m68k_sched_mac): New variable.
888 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
889 Handle cfv1 and cfv3.
890 (max_insn_size): New static variable.
891 (struct _sched_ib): New type.
892 (sched_ib): New static variable.
893 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
894 to fields of 'struct _sched_ib sched_ib'. Update all uses.
895 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
897 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
898 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
899 new variables. Update.
900 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
901 Add modeling of cfv3 instruction buffer. Update.
902 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
903 * config/m68k/m68k.h (TUNE_CFV3): New macro.
904 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
905 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
906 a particular reservation applies to.
907 (type2): Reorganize attribute values. Rename alu to alu_reg,
908 alu_l to alu, move_l to omove. Join move to alu. Split mul
910 (cf_ib_*): Simplify description of instruction buffer.
911 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
912 (cf_mem): Split into cf_mem1 and cf_mem2.
913 (cf_v2_move_??): Rename to cfv12_alu_??.
914 (cf_v2_move_l_??): Rename to cfv12_omove_??.
915 (cf_v2_mul_??): Remove reservations.
916 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
917 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
918 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
920 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
921 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
922 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
923 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
924 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
925 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
926 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
927 expansions of the above reservations for instructions of sizes
930 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
932 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
934 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
936 * coverage.c: Include tree-pass.h.
937 (coverage_counter_alloc): Print da_file_name to the dump file.
939 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
941 * sbitmap.c (sbitmap_range_empty_p): New function.
942 * sbitmap.h (sbitmap_range_empty_p): New function.
943 * bitmap.h: Now includes obstack.h.
945 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
946 Kenneth Zadeck <zadeck@naturalbridge.com>
948 * dbgcnt.def (ra_byte_scan): Added.
949 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
950 when the last hit happens for a counter.
951 * timevar.def (TV_DF_BYTE_LR): New variable.
952 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
953 * passes.c (pass_fast_rtl_byte_dce): New pass.
954 * fwprop.c (update_df): Added mode to call df_ref_create.
955 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
956 DF_REF_EXTRACT_OFFSET.
957 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
958 DF_BYTE_LR_OUT, df_byte_lr): New macro.
960 (df_ref_extract): Added mode field.
961 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
962 DF_REF_EXTRACT_OFFSET.
963 (DF_REF_EXTRACT_MODE): New macro.
964 (df_byte_lr_bb_info): New structure.
965 (df_print_byte_regset, df_compute_accessed_bytes,
966 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
967 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
968 df_byte_lr_simulate_uses,
969 df_byte_lr_simulate_artificial_refs_at_top,
970 df_byte_lr_simulate_artificial_refs_at_end,
971 df_compute_accessed_bytes): New function.
972 (df_ref_create): Add parameter.
973 (df_byte_lr_get_bb_info): New inline function.
974 * df-scan.c (df_ref_record, df_uses_record,
975 df_ref_create_structure): Added mode parameter.
976 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
977 df_defs_record, df_uses_record, df_get_conditional_uses,
978 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
979 df_entry_block_defs_collect, df_exit_block_uses_collect):
980 Added mode parameter to calls to df_ref_record, df_uses_record,
981 df_ref_create_structure.
982 (df_ref_equal_p, df_ref_compare): Added test for modes.
983 (df_ref_create_structure): Added code to set mode. Renamed
984 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
985 DF_REF_EXTRACT_OFFSET.
986 * df-core.c (df_print_byte_regset): New function.
987 * df-byte-scan.c: New file.
988 * df-problems.c (df_rd_transfer_function): Removed unnecessary
989 calls to BITMAP_FREE.
990 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
991 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
992 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
993 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
994 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
995 df_byte_lr_local_compute, df_byte_lr_init,
996 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
997 df_byte_lr_transfer_function, df_byte_lr_free,
998 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
999 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
1000 df_byte_lr_simulate_uses,
1001 df_byte_lr_simulate_artificial_refs_at_top,
1002 df_byte_lr_simulate_artificial_refs_at_end): New function.
1003 * dce.c (byte_dce_process_block): New function.
1004 (dce_process_block): au is now passed in rather than computed
1005 locally. Changed loops that look at artificial defs to not look
1006 for conditional or partial ones, because there never are any.
1007 (fast_dce): Now is able to drive byte_dce_process_block or
1008 dce_process_block depending on the kind of dce being done.
1009 (rest_of_handle_fast_dce): Add parameter to fast_dce.
1010 (rest_of_handle_fast_byte_dce): New function.
1011 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1012 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1014 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
1017 * gcc.h: Added fortran options that take arguments to
1018 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1021 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
1023 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1024 scalarization if on the LHS and not a full access.
1026 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1028 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1030 2008-04-18 Rafael Espindola <espindola@google.com>
1032 * tree-vrp.c (find_case_label_index): Fix the binary search.
1033 (find_case_label_range): New.
1034 (vrp_visit_switch_stmt): Use find_case_label_range.
1035 (simplify_switch_using_ranges): Use find_case_label_range.
1037 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
1039 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1040 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1042 2008-04-18 Tom Tromey <tromey@redhat.com>
1045 * doc/cpp.texi (Implementation-defined behavior): Mention
1048 2008-04-18 Ian Lance Taylor <iant@google.com>
1050 * fold-const.c (pointer_may_wrap_p): New static function.
1051 (fold_comparison): Add another test for pointer overflow. Use
1052 pointer_may_wrap_p to disable some false positives.
1054 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
1056 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1057 (fname_as_string): Match updated cpp_interpret_string prototype.
1058 (fix_string_type): Support char16_t* and char32_t*.
1059 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1060 derivative) nodes. Register as builtin if C++0x.
1061 (c_parse_error): Support CPP_CHAR{16,32}.
1062 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
1063 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1064 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1065 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1066 CTI_CHAR32_ARRAY_TYPE>: New elements.
1067 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1068 char32_type_node, signed_char32_type_node, char16_array_type_node,
1069 char32_array_type_node): New defines.
1070 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1071 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1072 (lex_string): Support CPP_STRING{16,32}, match updated
1073 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1074 (lex_charconst): Support CPP_CHAR{16,32}.
1075 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1076 and CPP_STRING{16,32}.
1078 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
1081 * aclocal.m4: Regenerate.
1082 * configure: Regenerate.
1084 2008-04-18 Jan Hubicka <jh@suse.cz>
1086 * except.c (dw2_size_of_call_site_table,
1087 sjlj_size_of_call_site_table): Use vector API for call_site_record.
1089 * cgraphbuild.c (build_cgraph_edges): Update.
1090 * tree-pass.h: Update comment.
1091 * final.c (leaf_function_p): Update.
1092 (leaf_renumber_regs): Update.
1093 (rest_of_clean_state): Update.
1094 * omp-low.c (expand_omp_parallel): Update.
1095 * ipa-reference.c (analyze_function): Update.
1096 * reorg.c (find_end_label): Update.
1097 (optimize_skip): Update.
1098 (fill_simple_delay_slots): Update.
1099 (fill_simple_delay_slots): Update.
1100 (make_return_insns): Update.
1101 (dbr_schedule): Update.
1102 * gimple-low.c (record_vars_into): Update.
1103 * cfgbuild.c (make_edges): Update.
1104 * function.c (assign_stack_local): Update.
1105 (assign_parm_adjust_stack_rtl): Update.
1106 (locate_and_pad_parm): Update.
1107 (allocate_struct_function): Do not initialize stack_alignment_needed
1108 and preferred_stack_boundary here.
1109 (stack_protect_prologue): Update.
1110 (stack_protect_epilogue): Update.
1111 (expand_function_start): Initialize stack_alignment_needed,
1112 preferred_stack_boundary and max_jumptable_ents.
1113 (expand_function_end): Update.
1114 (free_after_compilation): Do not NULLify epilogue_delay_list.
1115 * function.h (struct rtl_data): Add stack_protect_guard,
1116 stack_alignment_needed,
1117 preferred_stack_boundary, epilogue_delay_list.
1118 (struct function): Remove value_histograms, stack_alignment_needed,
1119 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1121 unexpanded_var_list, stack_protect_guard.
1122 (current_function_epilogue_delay_list): Remove.
1123 * ipa-type-escape.c (analyze_function): Update.
1124 * gimplify.c (pop_gimplify_context): Update comment.
1125 * calls.c (expand_call): Update.
1126 (emit_library_call_value_1): Update.
1127 * except.c (set_nothrow_function_flags): Update.
1128 * cfgexpand.c (get_decl_align_unit): Update.
1129 (create_stack_guard): Update.
1130 (estimated_stack_frame_size): Update.
1131 (expand_used_vars): Update.
1132 (tree_expand_cfg): Free histogram earliers, init expansion variables.
1133 * explow.c (allocate_dynamic_stack_space): Update.
1134 * tree-ssa-live.c (remove_unused_locals): Update.
1135 * varasm.c (mark_constant_pool): Update.
1136 * tree-inline.c (remap_decls): Update.
1137 (initialize_cfun): Update.
1138 (declare_return_variable): Update.
1139 (inline_forbidden_p): Update.
1140 (expand_call_inline): Update.
1141 (declare_inline_vars): Update.
1142 (tree_function_versioning): Update.
1143 * tree-flow.h (value_histograms): New.
1144 (VALUE_HISTOGRAMS): New macro.
1145 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1147 * tree-cfg.c (set_bb_for_stmt): Update.
1148 (replace_by_duplicate_decl): Update.
1149 (move_block_to_fn): Update.
1150 (new_label_mapper): Update.
1151 (dump_function_to_file): Update.
1152 * ipa-struct-reorg.c (build_data_structure): Update.
1153 * cfgrtl.c (print_rtl_with_bb): Update.
1154 * reload1.c (reload): Update.
1156 * config/i386/i386.c (setup_incoming_varargs_64,
1157 ix86_compute_frame_layout): Update.
1158 * config/arc/arc.c (arc_output_function_epilogue): Update.
1160 2008-04-18 Marius Strobl <marius@FreeBSD.org>
1162 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1163 for FreeBSD as well.
1164 * gthr-posix95.h: Likewise.
1166 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
1168 PR rtl-optimization/35838
1169 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1170 out the byte offset of the first subreg.
1172 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
1174 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1175 to split_ti instead of three separate calls with single member arrays.
1176 (subti3 splitter): Ditto.
1177 (adddi3 splitter): Ditto with split_di.
1178 (subdi3 splitter): Ditto.
1179 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1180 two separate calls with single member arrays. Swap match_dup
1181 operands 1 and 2 to better fit into the array.
1182 (negdi2 splitter): Ditto with split_di.
1183 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
1184 two separate calls with single member arrays. Swap match_dup operands
1185 6 and 7 to better fit into the array.
1187 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
1189 * config/i386/i386.c (sse_builtin_type): New.
1190 (bdesc_sse_args): Likewise.
1191 (bdesc_sse_3arg): Removed.
1192 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1193 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1194 IX86_BUILTIN_ROUNDPS.
1195 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
1196 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
1197 IX86_BUILTIN_ROUNDPS.
1198 (ix86_expand_sse_4_operands_builtin): Removed.
1199 (ix86_expand_sse_operands_builtin): New.
1200 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1201 and CODE_FOR_sse4_1_roundps.
1202 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1203 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
1205 2008-04-17 Alan Modra <amodra@bigpond.net.au>
1208 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1209 regs before frame pop when needed. If use_backchain_to_restore_sp
1210 then load backchain into a temp reg to restore vr and vrsave. Add
1211 code to restore vr after frame pop if possible.
1213 2008-04-17 Richard Guenther <rguenther@suse.de>
1215 * tree-vn.c (expressions_equal_p): Do not check type
1216 equality or compatibility before calling operand_equal_p.
1217 * fold-const.c (operand_equal_p): Check equivalence of
1218 integer constants before bailing out due to signedness or
1219 precision differences.
1220 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1221 spurious differences in type qualification. Ignore types
1222 for COMPONENT_REFs at all.
1224 2008-04-17 Christian Bruel <christian.bruel@st.com>
1226 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1227 msw_skip comparison.
1229 2008-04-16 Jakub Jelinek <jakub@redhat.com>
1232 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1235 PR tree-optimization/35899
1236 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1237 rather than TREE_OPERAND.
1239 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
1242 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1243 temporary registers. Change operand predicate to general_operand.
1244 (remainderxf3): Ditto.
1246 2008-04-16 Richard Guenther <rguenther@suse.de>
1248 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1249 * tree-affine.c (aff_combination_expand): Look through some
1252 2008-04-15 Doug Kwan <dougkwan@google.com>
1254 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1256 * tree-pretty-print.c (dump_generic_node): Ditto.
1257 * final.c (output_addr_const): Ditto.
1258 * dwarf2out.c (output_cfi): Ditto.
1259 * c-pretty-print.c (pp_c_integer_constant): Ditto.
1260 * print-rtl.c (print_rtx): Ditto.
1261 * print-tree.c (print_node_brief, print_node): Ditto.
1262 * c-common.c (match_case_to_enum_1): Ditto.
1263 * sched-vis.c (print_value): Ditto.
1264 * config/i386/i386.c (print_operand): Cast to long unsigned int
1267 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
1268 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
1269 MS Windows VirtualProtect function.
1271 2008-04-15 Jan Hubicka <jh@suse.cz>
1273 * gengtype.c (write_root): Param_is argument is OK.
1274 * expr.c (expand_expr_real_1): Update call of get_exception_*.
1275 * function.h: Include varray.h
1276 (rtl_eh): New stucture based on except.c one.
1277 (call_site_record): New forward declaration and vector type.
1278 * calls.c (emit_call_1): Do not call
1279 note_current_region_may_contain_throw.
1280 * except.c (eh_status): Remove cur_region, try_region since they are
1282 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1283 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1284 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
1285 Remove call_site_data_used, call_site_data_size.
1286 Turn call_site_record into vector in function.h.
1287 (note_current_region_may_contain_throw): Remove.
1288 (get_exception_pointer, get_exception_filter): Do not take struct
1289 function argument; update.
1290 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1291 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1292 build_post_landing_pads, dw2_build_landing_pads,
1293 sjlj_assign_call_site_values, sjlj_mark_call_sites,
1294 sjlj_emit_function_enter, sjlj_emit_function_enter,
1295 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1296 sjlj_build_landing_pads, finish_eh_generation,
1297 remove_exception_handler_label, remove_eh_handler,
1298 maybe_remove_eh_handler, add_reachable_handler,
1299 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1300 add_action_record, collect_one_action_chain, add_call_site,
1301 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1302 sjlj_output_call_site_table, output_function_exception_table,
1303 * except.h (note_current_region_may_contain_throw): Remove
1304 (get_exception_pointer, get_exception_filter): Do not take struct
1306 * Makefile.in (GTFILES): Put varargs before struct function.
1308 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1310 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1311 punt for STRING_CST.
1312 (get_constraint_for): Deal with STRING_CST here instead.
1314 2008-04-15 Richard Guenther <rguenther@suse.de>
1316 * tree-ssa-propagate.c (substitute_and_fold): Substitute
1317 statements in a basic-block with a backward walk. Do not
1318 substitute into dead statements but instead remove those.
1320 2008-04-15 Richard Guenther <rguenther@suse.de>
1322 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1323 to zero, thus disable creation of SFTs.
1325 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1327 * tree-predcom.c (suitable_reference_p): Return false if the
1328 reference can throw.
1330 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1333 * c-decl.c (finish_decl): If extern or static var has variable
1334 size, set TREE_TYPE (decl) to error_mark_node.
1336 2008-04-15 Rafael Espindola <espindola@google.com>
1338 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1341 2008-04-15 Richard Guenther <rguenther@suse.de>
1343 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1344 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1345 (visit_reference_op_load): Do walk vuse-vdef chains on
1346 vn_reference_lookup.
1347 (visit_reference_op_store): But do not here.
1348 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1349 vn_reference_lookup.
1350 (vn_lookup_with_vuses): But do so here.
1352 2008-04-14 Ian Lance Taylor <iant@google.com>
1354 * fold-const.c (fold_overflow_warning): Remove assertion.
1356 2008-04-15 Ben Elliston <bje@au.ibm.com>
1358 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1359 temp1 local variables.
1361 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1364 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1365 ".text.unlikely" section as executable.
1367 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1369 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1370 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1371 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1372 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1373 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1374 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1375 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1377 2008-04-14 Ian Lance Taylor <iant@google.com>
1379 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1380 * fold-const.c (fold_comparison): If appropriate, test
1381 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1382 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1383 reassociating a pointer type.
1384 * doc/invoke.texi (Optimize Options): Document that
1385 -fstrict-overflow applies to pointer wraparound.
1387 2008-04-13 Jan Hubicka <jh@suse.cz>
1389 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1391 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1393 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1394 we are going to "save the world".
1396 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1398 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1399 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1400 operand 0 constraint, not "=".
1402 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1404 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1406 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1408 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1409 of size of positions_needed * CHAR_BIT.
1411 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1414 * dse.c (store_info): Change positions_needed to unsigned
1416 (lowpart_bitmask): New.
1417 (record_store): Cast to unsigned HOST_WIDE_INT for
1418 positions_needed. Assert width <= size of positions_needed *
1419 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1420 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1421 lowpart_bitmask to set mask.
1423 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1425 * config/bfin/constraints.md: New file.
1426 * config/bfin/bfin.md: Include it.
1427 (adddi3): Use satisfies_constraint functions instead of the old macros.
1428 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1429 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1430 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1431 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1432 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1433 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1434 EXTRA_CONSTRAINT): Delete.
1435 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1436 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1438 * config/bfin/bfin.c: Include "tm-constrs.h".
1439 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1440 Use satisfies_constraint functions instead of the old macros.
1441 * doc/md.texi (Blackfin Constraints): Update file name reference.
1443 2008-04-11 Richard Guenther <rguenther@suse.de>
1445 PR tree-optimization/35869
1446 * tree-vrp.c (execute_vrp): Move switch statement update after
1447 jump threading. Schedule another cfg cleanup run.
1449 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1452 * attribs.c (decl_attributes): Return early on errorneous node.
1454 2008-04-10 Oleg Ryjkov <olegr@google.com>
1456 * tree.h (struct tree_base): Added a new flag default_def_flag.
1457 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1459 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1461 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1463 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1466 * pa.md: Define mode iterator P. Define mode attribute dwc.
1467 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1468 (icacheflush): Likewise.
1469 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1470 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1472 2008-04-11 Ben Elliston <bje@au.ibm.com>
1474 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1476 2008-04-10 Rafael Espindola <espindola@google.com>
1478 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1479 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1480 (extract_range_from_expr): The same.
1482 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1484 * config/mips/mips.md (GPR2): New mode iterator.
1486 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1487 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1488 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1489 Rewrite these to take two modes, the mode of comparison and the
1490 mode of the destination.
1491 * config/mips/mips.c (mips_expand_scc): Instead of having
1492 paradoxical subreg as destination, expand "narrowing" scc if mode
1493 of comparison is SI and target is requested in DI mode.
1494 (mips_emit_int_order_test): Update comment. Make mode of
1495 comparison match CMP0 rather than TARGET. When creating inverse
1496 target use mode of TARGET.
1498 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1500 * gcov-dump.c (tag_summary): Only print summaries for the first
1501 GCOV_COUNTERS_SUMMABLE counters.
1503 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1505 * config/i386/i386.md (absneg): New code iterator.
1506 (absnegprefix): New code attribute.
1507 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1508 patterns using absneg code iterator.
1509 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1510 using absneg code iterator.
1511 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1512 *neg<mode>2 patterns using absneg code iterator.
1513 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1514 *negextendsfdf2 patterns using absneg code iterator.
1515 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1516 *negextendsfxf2 patterns using absneg code iterator.
1517 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1518 *negextendsfdf2 patterns using absneg code iterator.
1519 * config/i386/sse.md (<code><mode>2): Macroize expander from
1520 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1522 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1524 * config/s390/s390.h: Remove the remains of the recent search
1525 & replace action of current_function_outgoing_args_size.
1527 2008-04-10 Ira Rosen <irar@il.ibm.com>
1529 PR tree-optimization/35821
1530 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1531 NEW_STMT_LIST is not NULL.
1533 2008-04-09 David Edelsohn <edelsohn@gnu.org>
1536 * toplev.c (process_options): Remove -ffunction-sections debugging
1539 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
1541 PR middle-end/PR28690
1542 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1543 than gen_rtx_fmt_ee to perform more canonicalizations.
1545 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1548 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1550 2008-04-09 Richard Guenther <rguenther@suse.de>
1552 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1553 (dump_function_to_file): Dump function arguments with types.
1555 2008-04-08 Richard Guenther <rguenther@suse.de>
1557 * fold-const.c (fold_widened_comparison): Do not allow
1558 sign-changes that change the result.
1560 2008-04-08 Janis Johnson <janis187@us.ibm.com>
1563 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1564 kinds of indirect references.
1566 2008-04-08 David Edelsohn <edelsohn@gnu.org>
1568 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1569 GNU Fortran language string.
1571 2008-04-08 Rafael Espindola <espindola@google.com>
1573 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1574 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1575 * tree.h (tree_call_nonnegative_warnv_p): New.
1577 2008-04-08 Jan Hubicka <jh@suse.cz>
1579 * function.c (free_after_compilation): Clear out regno_reg_rtx
1582 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
1585 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1587 PR middle-end/PR28690
1588 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
1589 same precedence as REG_POINTER and MEM_POINTER operands.
1591 2008-04-08 Richard Guenther <rguenther@suse.de>
1594 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
1595 for adding index to base.
1597 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
1599 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
1600 (MINGW_ENABLE_EXECUTE_STACK): New.
1601 (IN_LIBGCC2): For libgcc include windows.h file for
1602 function declarations.
1604 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
1606 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
1607 and tem2 if tem1 is not a REG or MULT.
1609 2008-04-08 Jan Hubicka <jh@suse.cz>
1611 * function.h (incomming_args): Break out of struct function.
1612 (function_subsections): Break out of struct function.
1613 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
1614 return_rtx and hard_reg_initial_vals from struct function.
1615 Kill inl_max_label_num.
1616 (current_function_pops_args, current_function_args_info,
1617 current_function_args_size, current_function_args_size,
1618 current_function_pretend_args_size,
1619 current_function_outgoing_args_size,
1620 current_function_internal_arg_pointer, current_function_return_rtx):
1621 Kill compatibility accestor macros.
1622 * builtins.c (expand_builtin_apply_args_1): Update.
1623 (expand_builtin_next_arg): Update.
1624 * df-scan.c (df_get_call_refs): Update.
1625 * dbxout.c (dbxout_function_end): Update.
1626 * dwarf2out.c (dwarf2out_switch_text_section): Update.
1627 (output_line_info): Update.
1628 (secname_for_decl): Update.
1629 (dwarf2out_var_location): Update.
1630 * function.c (free_after_compilation): Update.
1631 (assign_parm_find_stack_rtl): Update.
1632 (assign_parms): Update.
1633 (expand_dummy_function_end): Update.
1634 (expand_function_end): Update.
1635 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
1636 (expand_call): Update.
1637 (emit_library_call_value_1): Update.
1638 (store_one_arg): Update.
1639 * varasm.c (initialize_cold_section_name): Update.
1640 (unlikely_text_section): Update.
1641 (unlikely_text_section_p): Update.
1642 (assemble_start_function): Update.
1643 (assemble_end_function): Update.
1644 (default_section_type_flags): Update.
1645 (switch_to_section): Update.
1646 * integrate.c (set_decl_abstract_flags): Update.
1647 (get_hard_reg_initial_val): Update.
1648 (has_hard_reg_initial_val): Update.
1649 (allocate_initial_values): Update.
1650 * resource.c (init_resource_info): Update.
1651 * config/alpha/alpha.c (NUM_ARGS): Update.
1652 (direct_return): Update.
1653 (alpha_va_start): Update.
1654 (alpha_sa_size): Update.
1655 (alpha_initial_elimination_offset): Update.
1656 (alpha_expand_prologue): Update.
1657 (alpha_start_function): Update.
1658 (alpha_expand_epilogue): Update.
1659 (unicosmk_initial_elimination_offset):
1660 * config/alpha/alpha.md (call expander): Update.
1661 * config/s390/s390.c (s390_register_info): Update.
1662 (s390_register_info): Update.
1663 (s390_frame_info): Update.
1664 (s390_initial_elimination_offset): Update.
1665 (s390_build_builtin_va_list): Update.
1666 (s390_va_start): Update.
1667 * config/spu/spu.c (direct_return): Update.
1668 (spu_expand_prologue): Update.
1669 (spu_initial_elimination_offset): Update.
1670 (spu_build_builtin_va_list): Update.
1671 (spu_va_start): Update.
1672 * config/sparc/sparc.c (sparc_init_modes): Update.
1673 (sparc_compute_frame_size): Update.
1674 (function_value): Update.
1675 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
1676 * config/i386/i386.md (return expander): Update.
1677 * config/i386/i386.c (ix86_va_start): Update.
1678 (ix86_can_use_return_insn_p): Update.
1679 (ix86_compute_frame_layout): Update.
1680 (ix86_expand_epilogue): Update.
1681 * config/sh/sh.c (output_stack_adjust): Update.
1682 (calc_live_regs): Update.
1683 (sh_expand_prologue): Update.
1684 (sh_builtin_saveregs): Update.
1685 (sh_va_start): Update.
1686 (initial_elimination_offset): Update.
1687 (sh_allocate_initial_value): Update.
1688 (sh_function_ok_for_sibcall): Update.
1689 (sh_get_pr_initial_val): Update.
1690 * config/sh/sh.md (return expander): Update.
1691 * config/avr/avr.c (frame_pointer_required_p): UPdate.
1692 * config/crx/crx.c (crx_compute_frame): UPdate.
1693 (crx_initial_elimination_offset): UPdate.
1694 * config/xtensa/xtensa.c (compute_frame_size): Update
1695 (xtensa_builtin_saveregs): Update.
1696 (xtensa_va_start): Update.
1697 (order_regs_for_local_alloc): Update.
1698 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
1699 (xstormy16_expand_builtin_va_start): Update.
1700 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
1701 * config/m68hc11/m68hc11.md (return expanders): Update.
1702 * config/m68hc11/m68hc11.c (expand_prologue): Update.
1703 (expand_epilogue): Update.
1704 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
1705 (cris_simple_epilogue): Update.
1706 (cris_expand_prologue): Update.
1707 (cris_expand_epilogue): Update.
1708 * config/iq2000/iq2000.c (iq2000_va_start): Update.
1709 (compute_frame_size): Update.
1710 * config/mt/mt.c (mt_compute_frame_size): Update.
1711 * config/mn10300/mn10300.c (expand_prologue): Update.
1712 (expand_epilogue): Update.
1713 (initial_offset): Update.
1714 (mn10300_builtin_saveregs):
1715 * config/mn10300/mn10300.md (return expander): Update.
1716 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1717 (ia64_initial_elimination_offset): Update.
1718 (ia64_initial_elimination_offset): Update.
1719 (ia64_expand_prologue): Update.
1720 * config/m68k/m68k.md (return expander): Update.
1721 * config/rs6000/rs6000.c (rs6000_va_start): Update.
1722 (rs6000_stack_info): Update.
1723 * config/mcore/mcore.c (layout_mcore_frame): Update.
1724 (mcore_expand_prolog): Update.
1725 * config/arc/arc.c (arc_compute_frame_size): Update.
1726 * config/score/score3.c (score3_compute_frame_size): Update.
1727 * config/score/score7.c (score7_compute_frame_size): Update.
1728 * config/arm/arm.c (use_return_insn): Update.
1729 (thumb_find_work_register): Update.
1730 (arm_compute_save_reg_mask): Update.
1731 (arm_output_function_prologue): Update.
1732 (arm_output_epilogue): Update.
1733 (arm_size_return_regs): Update.
1734 (arm_get_frame_offsets): Update.
1735 (arm_expand_prologue): Update.
1736 (thumb_exit): Update.
1737 (thumb_unexpanded_epilogue): Update.
1738 (thumb1_output_function_prologue): Update.
1739 * config/pa/pa.md (return expander): Update.
1740 * config/pa/pa.c (compute_frame_size): Update.
1741 (hppa_builtin_saveregs): Update.
1742 * config/mips/mips.c (mips_va_start): Update.
1743 (mips16_build_function_stub): Update.
1744 (mips_compute_frame_info): Update.
1745 (mips_restore_gp): Update.
1746 (mips_output_function_prologue): Update.
1747 (mips_expand_prologue): Update.
1748 * config/v850/v850.c (compute_frame_size): Update.
1749 (expand_prologue): * config/mmix/mmix.c (along): update.
1750 (mmix_initial_elimination_offset): update.
1751 (mmix_reorg): update.
1752 (mmix_use_simple_return): update.
1753 (mmix_expand_prologue): update.
1754 (mmix_expand_epilogue): Update.
1755 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
1756 (emit_link_insn): Update.
1758 2008-04-08 Anatoly Sokolov <aesok@post.ru>
1760 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
1761 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
1763 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
1766 2008-04-07 Jan Hubicka <jh@suse.cz>
1768 * function.h (rtl): Rename to x_rtl.
1770 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1771 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1772 used_temp_slots avail_temp_slots, temp_slot_level,
1773 nonlocal_goto_handler_labels): Update accesstors.
1774 (rtl): New global variable.
1775 (struct function): Move some fileds to rtl_data.
1776 (get_arg_pointer_save_area): Update prototype.
1777 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1778 get_arg_pointer_save_area.
1779 * expr.c (init_expr): Update
1780 * function.c (get_frame_size): Update
1781 (assign_stack_local): Update
1782 (expand_function_end): Update.
1783 (get_art_pointer_save_area): Update
1785 * emit-rtl.c (rtl): Declare.
1786 (regno_reg_rtx): Declare.
1787 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1789 (gen_reg_rtx): Update.
1790 * varasm.c (n_deferred_constatns): Update accestor.
1791 (init_varasm_status): Do not allocate varasm_status.
1792 (force_const_mem, get_pool_size, output_constant_pool): Update.
1793 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1794 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1795 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
1796 * sparc/sparc.h (INIT_EXPANDERS): Update.
1797 * ia64/ia64.h (INIT_EXPANDERS): Update.
1799 2008-04-07 James E. Wilson <wilson@tuliptree.org>
1801 * reload.c (push_secondary_reload): Add missing break to for loop.
1803 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1805 PR middle-end/PR28690
1806 * rtlanal.c: Update copyright years.
1807 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
1808 as REG_POINTER and MEM_POINTER operands.
1809 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
1810 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
1811 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
1812 * gcse.c: Update copyright years.
1813 (pre_delete): Call gen_reg_rtx_and_attrs.
1814 (hoist_code): Likewise.
1815 (build_store_vectors): Likewise.
1816 (delete_store): Likewise.
1817 * loop-invariant.c (move_invariant_reg): Likewise.
1818 Update copyright years.
1820 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
1822 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
1823 control string instead of quoted.
1825 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1827 * doc/rtl.texi: Rewrite of subreg section.
1829 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
1832 * config/i386/i386.c (legitimize_pic_address): Add treating
1833 of dllimport SYM_REF's.
1834 (legitimize_dllimport_symbol): Add prototype.
1836 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1838 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1839 reference in constructor with non self-referential type.
1841 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1843 Removal of Return with Depressed Stack Pointer support
1844 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1845 (ECF_SP_DEPRESSED): Likewise.
1846 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1847 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1848 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1849 (expand_call): Do not test ECF_SP_DEPRESSED.
1850 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1851 * function.c (keep_stack_depressed): Delete.
1852 (handle_epilogue_set): Likewise.
1853 (update_epilogue_consts): Likewise.
1854 (emit_equiv_load): Likewise.
1855 (thread_prologue_and_epilogue_insns): Remove support for Return with
1856 Depressed Stack Pointer.
1857 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1859 2008-04-06 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/35400
1862 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1863 information from SSA_NAMEs.
1865 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1867 * config/avr/avr.h (avr_mega_p): Remove declaration.
1868 (AVR_MEGA): Remove macro.
1869 * config/avr/avr.c (avr_mega_p): Remove variable.
1870 (avr_override_options): Remove inicializion of avr_mega_p.
1871 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1872 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1873 (avr_jump_mode): (Ditto.).
1874 (avr_output_progmem_section_asm_op): (Ditto.).
1875 (avr_asm_init_sections): (Ditto.).
1876 (avr_asm_init_sections): (Ditto.).
1877 (avr_rtx_costs): (Ditto.).
1878 * config/avr/avr.md: (Ditto.).
1879 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1882 2008-04-06 Richard Guenther <rguenther@suse.de>
1884 PR tree-optimization/35842
1885 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1886 is_gimple_invariant_address.
1888 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1890 * gcc.c (default_compilers): Sync Fortran extensions list with
1891 that in fortran/lang-specs.h.
1892 * doc/invoke.texi: Likewise.
1893 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1894 * dwarf2out.c (gen_compile_unit_die): Likewise.
1896 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1898 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1900 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1903 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1904 attribute is used for nested functions.
1906 2008-04-05 Jan Hubicka <jh@suse.cz>
1908 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1910 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1912 (dump_files): Update.
1913 (enable_rtl_dump_file): Do not accept letter argument.
1914 * tree-pass.h (dump_file_info): Remove letter argument.
1915 * toplev.c (decode_d_option): Update -da handling.
1916 * toplev.h (enable_rtl_dump_file): Update prototype.
1917 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1918 it out based on pass type.
1919 (register_dump_files_1): Likewise.
1920 (init_optimization_passes): Update register_one_dump_file calls.
1921 (execute_one_pass): Sanity check that IPA passes are called at IPA
1922 level and RTL passes at RTL level.
1923 (execute_pass_list): IPA pass can not be after or subpass of
1925 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1926 disallov RTL subpasses of IPA subpasses.
1928 2008-04-05 Ben Elliston <bje@au.ibm.com>
1930 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1931 builtins that return exactly once and do not throw. Cache call to
1934 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1936 PR rtl-optimization/34916
1938 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1939 between instruction pairs.
1941 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1943 * doc/invoke.texi: Document -mbitops for SH.
1944 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1945 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1946 * config/sh/sh.c (print_operand): Add %t operand code.
1947 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1948 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1949 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1950 (extendqihi2): Likewise.
1951 (movqi_i): Likewise.
1952 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1953 (extv): Use bld instruction for SH2A if possible.
1955 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
1956 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
1957 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
1958 (bset.b, bclr.b): Define peepholes.
1959 * config/sh/sh.opt (mbitops): New option.
1961 2008-04-04 Janis Johnson <janis187@us.ibm.com>
1964 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
1965 and view convert expression.
1967 2008-04-04 Jakub Jelinek <jakub@redhat.com>
1970 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
1972 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
1974 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
1976 * config/i386/cpuid.h (bit_AES): New.
1977 (bit_PCLMUL): Likewise.
1979 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
1980 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
1981 SSE2 if AES or PCLMUL is enabled.
1982 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
1983 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1984 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
1985 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
1986 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
1987 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
1988 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
1989 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
1990 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
1991 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
1992 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
1993 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
1994 __builtin_ia32_aeskeygenassist128 and
1995 __builtin_ia32_pclmulqdq128.
1996 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
1997 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
1998 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
2000 * config/i386/i386.h (TARGET_AES): New.
2001 (TARGET_PCLMUL): Likewise.
2002 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2004 * config/i386/i386.md (UNSPEC_AESENC): New.
2005 (UNSPEC_AESENCLAST): Likewise.
2006 (UNSPEC_AESDEC): Likewise.
2007 (UNSPEC_AESDECLAST): Likewise.
2008 (UNSPEC_AESIMC): Likewise.
2009 (UNSPEC_AESKEYGENASSIST): Likewise.
2010 (UNSPEC_PCLMUL): Likewise.
2012 * config/i386/i386.opt (maes): New.
2013 (mpclmul): Likewise.
2015 * config/i386/sse.md (aesenc): New pattern.
2016 (aesenclast): Likewise.
2018 (aesdeclast): Likewise.
2020 (aeskeygenassist): Likewise.
2021 (pclmulqdq): Likewise.
2023 * config/i386/wmmintrin.h: New.
2025 * doc/extend.texi: Document AES and PCLMUL built-in function.
2027 * doc/invoke.texi: Document -maes and -mpclmul.
2029 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
2031 * function.c (free_after_parsing): Replace with
2032 cxx_push_function_context from C++ front-end.
2033 (allocate_struct_function): Don't call langhook.
2034 * langhooks.h (struct lang_hooks_for_functions): Delete.
2035 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2037 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2038 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2039 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2040 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2041 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2042 remove LANG_HOOKS_FUNCTION_INITIALIZER.
2043 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2045 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2046 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2048 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2051 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2054 2008-04-04 Richard Guenther <rguenther@suse.de>
2057 * fold-const.c (optimize_minmax_comparison): Use the correct
2058 type for the constant in the simplified comparison.
2060 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
2062 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2063 Pass L2 size as "--param l2-cache-size" to the compiler.
2064 (decode_l2_cache): New function to decode L2 cache parameters using
2065 0x8000006 extended cpuid function.
2066 (detect_caches_amd): Determine parameters of L2 cache using
2067 decode_l2_caches function.
2068 (decode_caches_intel): Decode L2 cache parameters.
2069 (detect_caches_intel): Determine L2 cache parameters using
2070 decode_caches_intel and decode_l2_caches functions.
2072 2008-04-03 Bob Wilson <bob.wilson@acm.org>
2074 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2075 secondary input reload for subword loads from the constant pool.
2077 2008-04-03 Janis Johnson <janis187@us.ibm.com>
2080 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2081 constants of the appropriate size for runtime calculations.
2084 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2085 decimal-float literal constant zero.
2087 2008-04-03 Jakub Jelinek <jakub@redhat.com>
2090 * c-parser.c (c_parser_omp_atomic): Call
2091 default_function_array_conversion on the RHS.
2094 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2095 call is_variable_sized if decl has incomplete type.
2097 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
2099 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2101 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
2103 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2105 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2106 (sgt<u>): Merge sgt and sgtu into new expander.
2107 (sgt, sgtu): Remove expanders.
2108 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2109 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2110 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2111 *sgtu_<mode>_mips16 into new pattern.
2112 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2113 (sge<u>): Merge sge and sgeu into new expander.
2114 (sge, sgeu): Remove expanders.
2115 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2117 (*sge_<mode>, second *sge_<mode>): Remove patterns.
2118 (slt<u>): Merge slt and sltu into new expander.
2119 (slt, sltu): Remove expanders.
2120 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2121 (*slt_<mode>, *sltu_<mode>): Remove patterns.
2122 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2123 *sltu_<mode>_mips16 into new pattern.
2124 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2125 (sle<u>): Merge sle and sleu into new expander.
2126 (sle, sleu): Remove expanders.
2127 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2128 (*sle_<mode>, *sleu_<mode>): Remove patterns.
2129 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2130 *sleu_<mode>_mips16 into new pattern.
2131 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2133 2008-04-03 Jan Hubicka <jh@suse.cz>
2135 PR tree-optimization/35795
2136 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2137 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2138 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2139 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2140 * score/score3.c (score3_output_mi_thunk): Likewise.
2141 * score/score7.c (score7_output_mi_thunk): Likewise.
2142 * mips/mips.c (mips_output_mi_thunk): Likewise.
2144 2008-04-03 Richard Guenther <rguenther@suse.de>
2146 * tree-vrp.c (extract_range_from_unary_expr): Handle all
2147 conversions. Simplify code.
2149 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
2151 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2153 2008-04-03 Tom Tromey <tromey@redhat.com>
2154 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2156 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2157 * config/bfin/t-bfin-linux (generated_files): Add
2158 linux-sysroot-suffix.h.
2159 * doc/install.texi (Prerequisites): Require make 3.80.
2160 * doc/sourcebuild.texi (Front End Directory): Document new
2162 * Makefile.in (generated_files): New variable.
2163 (ALL_HOST_OBJS): New variable.
2164 ($(ALL_HOST_OBJS)): New target.
2166 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2168 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2169 (remap_block): Call id->transform_lang_insert_block instead
2171 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2172 Set id.transform_lang_insert_block to NULL.
2173 (clone_body): Move to cp/optimize.c
2174 * tree-inline.h (struct copy_body_data): Change
2175 transform_lang_insert_block to function pointer.
2176 (copy_generic_body, copy_decl_no_change): Export.
2177 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2178 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2179 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2181 * c-tree.h (insert_block): Kill.
2182 * c-decl.c (insert_block): Kill.
2184 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2186 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2187 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2188 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2190 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2191 argument, call {push,pop}_function_context from here.
2192 * c-parser.c: Use c_{push,pop}_function_context.
2194 * function.c (push_function_context_to): Move meat ...
2195 (push_function_context): ... here. Simplify.
2196 * function.c (pop_function_context_from): Move meat ...
2197 (pop_function_context): ... here. Simplify.
2198 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2200 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2201 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2202 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2203 * tree.h (push_function_context_to, pop_function_context_from): Remove.
2205 2008-04-03 Ben Elliston <bje@au.ibm.com>
2207 * expmed.c (extract_force_align_mem_bit_field): Remove.
2209 2008-04-03 Richard Guenther <rguenther@suse.de>
2212 * expr.h (try_casesi): Adjust prototype.
2213 * expr.c (try_casesi): Take fallback label as extra parameter.
2214 Use that for gen_casesi if default_label is NULL.
2215 * stmt.c (expand_case): Pass fallback label to try_casesi,
2216 make sure to fill gaps with a fallback label if default_label
2219 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
2222 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2224 2008-04-03 Ben Elliston <bje@au.ibm.com>
2226 * expmed.c (extract_split_bit_field): Remove if (0) code.
2227 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2228 (do_ds_constraint): Likewise.
2230 2008-04-02 Joseph Myers <joseph@codesourcery.com>
2232 * doc/cppopts.texi (-dU): Document.
2233 * c-common.h (flag_dump_macros): Update comment.
2234 * c-opts.c (handle_OPT_d): Handle -dU.
2235 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2236 dump_queued_macros, cb_used_define, cb_used_undef): New.
2237 (init_pp_output): Handle -dU.
2238 (cb_line_change): Call dump_queued_macros.
2239 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2241 2008-04-02 Anatoly Sokolov <aesok@post.ru>
2243 * config/avr/predicates.md (io_address_operand): New predicate.
2244 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2245 * config/avr/avr.c (avr_io_address_p): Remove function.
2246 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
2247 'avr_io_address_p' function.
2248 (out_movhi_r_mr): (Ditto.).
2249 (out_movqi_mr_r): (Ditto.).
2250 (out_movhi_mr_r): (Ditto.).
2251 (avr_address_cost): (Ditto.).
2253 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
2255 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2256 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2257 in 32bit mode when XMM registers are available to avoid store
2259 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2260 corresponding post-reload splitters.
2262 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2264 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2265 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
2266 __builtin_ia32_roundss.
2267 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2268 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2269 __builtin_ia32_roundss.
2270 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2271 IX86_BUILTIN_SHUFPD here.
2273 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2275 * config/i386/i386.md (plogic): New.
2276 (plogicprefix): Likewise.
2278 * config/i386/mmx.md (mmx_<code><mode>3): New.
2279 (mmx_and<mode>3): Removed.
2280 (mmx_ior<mode>3): Likewise.
2281 (mmx_xor<mode>3): Likewise.
2283 * config/i386/sse.md (<code><mode>3): New.
2284 (*<code><mode>3): Likewise.
2285 (*<code><mode>3): Likewise.
2286 (<code><mode>3): Likewise.
2287 (*sse_<code><mode>3): Likewise.
2288 (*sse2_<code><mode>3): Likewise.
2289 (<code>tf3): Likewise.
2290 (*<code>tf3): Likewise.
2291 (and<mode>3): Likewise.
2292 (*and<mode>3): Likewise.
2293 (ior<mode>3): Removed.
2294 (*ior<mode>3): Likewise.
2295 (xor<mode>3): Likewise.
2296 (*xor<mode>3): Likewise.
2297 (*and<mode>3): Likewise.
2298 (*ior<mode>3): Likewise.
2299 (*xor<mode>3): Likewise.
2300 (and<mode>3): Likewise.
2301 (*sse_and<mode>3): Likewise.
2302 (*sse2_and<mode>3): Likewise.
2304 (*andtf3): Likewise.
2305 (ior<mode>3): Likewise.
2306 (*sse_ior<mode>3): Likewise.
2307 (*sse2_ior<mode>3): Likewise.
2309 (*iortf3): Likewise.
2310 (xor<mode>3): Likewise.
2311 (*sse_xor<mode>3): Likewise.
2312 (*sse2_xor<mode>3): Likewise.
2314 (*xortf3): Likewise.
2316 2008-04-02 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/14495
2319 PR tree-optimization/34793
2320 * tree-vrp.c (struct switch_update): New structure.
2321 (to_remove_edges, to_update_switch_stmts): New VECs.
2322 (simplify_switch_using_ranges): New function. Remove not taken
2323 case labels and edges.
2324 (simplify_stmt_using_ranges): Call it.
2325 (identify_jump_threads): Mark edges we have queued for removal
2326 so we don't thread them.
2327 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2329 * tree-cfg.c (group_case_labels): Deal with missing default label.
2330 (tree_verify_flow_info): Allow missing default label.
2331 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2332 (emit_case_nodes): Likewise.
2333 (expand_case): Do not rely on the default label to be present.
2334 * expr.c (try_casesi): Deal with NULL default_label.
2335 (do_tablejump): Likewise.
2337 2008-04-02 Richard Guenther <rguenther@suse.de>
2339 PR tree-optimization/14495
2340 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2341 SWITCH_EXPR here ...
2342 (vrp_visit_switch_stmt): ... but here (new function).
2343 (find_case_label_index): New helper function.
2344 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2346 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2348 * fwprop.c: Fix ISO-C99ism.
2350 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2353 * Makefile.in (objdir): Set it here.
2354 * configure.ac: Not here. Find dynamic linker characteristics.
2355 * exec-tool.in: Use them.
2356 * aclocal.m4: Regenerate.
2357 * configure: Regenerate.
2359 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2361 * expr.c (expand_var): Delete it.
2362 * expr.h (expand_var): Delete prototype.
2363 * function.c (expand_function_start): Use expand_decl instead.
2364 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2367 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2369 PR rtl-optimization/35542
2370 * fwprop.c (forward_propagate_and_simplify): Replace
2371 loc_reg_mentioned_in_p with reg_mentioned_p.
2373 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2375 PR rtl-optimization/35281
2376 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2377 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2378 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2379 (varying_mem_p): Move above propagate_rtx.
2380 (all_uses_available_at): Do not check MEMs.
2382 2008-04-02 Rafael Espindola <espindola@google.com>
2384 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2385 (register_edge_assert_for_2): Split the cond argument.
2386 (register_edge_assert_for_1): Adjust for the change in
2387 register_edge_assert_for_2.
2388 (register_edge_assert_for): Split the cond argument.
2389 (find_switch_asserts): Adjust for the change in
2390 register_edge_assert_for.
2392 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2394 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2395 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2396 offsets for 64-bit mingw.
2397 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2398 abi for x86_64-pc-mingw.
2400 2008-04-02 Richard Guenther <rguenther@suse.de>
2402 * tree-vrp.c (extract_range_from_assert): Make sure to not
2403 produce range min/max with TREE_OVERFOW set.
2404 If merging a anti-range and a range keep the anti-range if
2405 the range covers all values of the type.
2406 (register_edge_assert_for_2): Only allow sign-changing
2407 conversions in detecting canonical range checks. Also
2408 register an assert for the unsigned name if useful.
2410 PR tree-optimization/35787
2411 * tree-vrp.c (vrp_val_max): New function.
2412 (vrp_val_min): Likewise.
2413 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2414 (vrp_val_is_min): Likewise.
2415 (supports_overflow_infinity): Use vrp_val_{min,max}.
2416 (negative_overflow_infinity): Likewise.
2417 (positive_overflow_infinity): Likewise.
2418 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2419 (is_positive_overflow_infinity): Likewise.
2420 (is_overflow_infinity): Likewise.
2421 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2422 vrp_val_is_{min,max}.
2423 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2424 to ranges if possible. Avoid empty ranges.
2426 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2429 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2430 the expression is a function address.
2432 2008-04-01 George Helffrich <george@gcc.gnu.org>
2434 PR fortran/35154, fortran/23057
2435 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2436 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2437 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2438 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2440 (dbxout_syms): Check for COMMON-based symbol and wrap in
2441 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2442 in bracket for efficiency.
2444 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2445 using DW_TAG_common_block + member offset.
2446 (add_pubname_string): New function.
2447 (dw_expand_expr): New function to find block name and offset for
2449 (common_check): New function to check whether symbol in Fortran COMMON.
2450 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2452 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2455 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2457 2008-04-02 Ben Elliston <bje@au.ibm.com>
2459 * config/v850/v850.md (casesi): Remove if (0) code.
2460 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2461 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2463 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2465 * config/i386/i386.md (rex64suffix): New mode attribute.
2466 (floathi<mode>2): Disable expander for SSE math.
2467 (*floathi<mode>2_1): New insn insn_and_split pattern.
2468 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2469 corresponding post-reload splitters.
2470 (*floathi<mode>2_i387): New macroized insn pattern.
2471 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2472 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2473 insn_and_split pattern.
2474 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2475 New macroized instruction patterns and corresponding post-reload
2477 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2478 and corresponding post-reload splitters.
2479 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2480 New macroized instruction patterns.
2481 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2482 macroized instruction patterns and corresponding post-reload splitters.
2483 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2484 corresponding post-reload splitters.
2485 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2486 New macroized instruction patterns.
2487 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2488 corresponding post-reload splitters.
2489 (*floatsi<mode>2_i387): New macroized instruction patterns.
2491 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2493 * config/i386/i386.md (smaxmin): New.
2494 (umaxmin): Likewise.
2495 (maxminiprefix): Likewise.
2496 (maxminfprefix): Likewise.
2497 (<code><mode>3): Likewise.
2498 (smin<mode>3): Removed.
2499 (smax<mode>3): Likewise.
2501 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2502 (mmx_<code>v4hi3): Likewise.
2503 (mmx_<code>v8qi3): Likewise.
2504 (mmx_smaxv2sf3): Removed.
2505 (mmx_sminv2sf3): Likewise.
2506 (mmx_umaxv8qi3): Likewise.
2507 (mmx_smaxv4hi3): Likewise.
2508 (mmx_uminv8qi3): Likewise.
2509 (mmx_sminv4hi3): Likewise.
2511 * config/i386/sse.md (<addsub><mode>3): New.
2512 (*<addsub><mode>3): Likewise.
2513 (<sse>_vm<addsub><mode>3): Likewise.
2514 (<maxmin><mode>3): Likewise.
2515 (*<maxmin><mode>3_finite): Likewise.
2516 (*<maxmin><mode>3): Likewise.
2517 (<sse>_vm<maxmin><mode>3): Likewise.
2518 (sse3_h<addsub>v4sf3): Likewise.
2519 (sse3_h<addsub>v2df3): Likewise.
2520 (<maxmin>v16qi3): Likewise.
2521 (*<maxmin>v16qi3): Likewise.
2522 (<maxmin>v8hi3): Likewise.
2523 (*<maxmin>v8hi3): Likewise.
2524 (*sse4_1_<maxmin><mode>3): Likewise.
2525 (*sse4_1_<maxmin><mode>3): Likewise.
2526 (add<mode>3): Removed.
2527 (*add<mode>3): Likewise.
2528 (<sse>_vmadd<mode>3): Likewise.
2529 (sub<mode>3): Likewise.
2530 (*sub<mode>3): Likewise.
2531 (<sse>_vmsub<mode>3): Likewise.
2532 (smin<mode>3): Likewise.
2533 (*smin<mode>3_finite): Likewise.
2534 (*smin<mode>3): Likewise.
2535 (<sse>_vmsmin<mode>3): Likewise.
2536 (smax<mode>3): Likewise.
2537 (*smax<mode>3_finite): Likewise.
2538 (*smax<mode>3): Likewise.
2539 (<sse>_vmsmax<mode>3): Likewise.
2540 (sse3_haddv4sf3): Likewise.
2541 (sse3_haddv2df3): Likewise.
2542 (sse3_hsubv4sf3): Likewise.
2543 (sse3_hsubv2df3): Likewise.
2544 (umaxv16qi3): Likewise.
2545 (*umaxv16qi3): Likewise.
2546 (smaxv8hi3): Likewise.
2547 (*smaxv8hi3): Likewise.
2548 (*sse4_1_smax<mode>3): Likewise.
2549 (*sse4_1_umax<mode>3): Likewise.
2550 (uminv16qi3): Likewise.
2551 (*uminv16qi3): Likewise.
2552 (sminv8hi3): Likewise.
2553 (*sminv8hi3): Likewise.
2554 (*sse4_1_smin<mode>3): Likewise.
2555 (*sse4_1_umin<mode>3): Likewise.
2557 2008-04-01 Rafael Espindola <espindola@google.com>
2559 * tree-cfg.c (verify_expr): remove in_phi.
2560 (verify_stmt): Don't call walk_tree with verify_expr. Use
2561 is_gimple_min_invariant instead of is_gimple_val.
2563 2008-04-01 Joseph Myers <joseph@codesourcery.com>
2565 * doc/include/gpl_v3.texi: Update for manpage generation.
2566 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2568 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2569 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2570 gpl_v3.texi instead of gpl.texi.
2573 2008-04-01 Jakub Jelinek <jakub@redhat.com>
2576 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2578 2008-04-01 Rafael Espindola <espindola@google.com>
2580 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2581 (extract_code_and_val_from_cond): Use
2582 extract_code_and_val_from_cond_with_ops.
2584 2008-04-01 Jan Hubicka <jh@suse.cz>
2586 * function.c (free_after_compilation): Free epilogue_delay_list.
2587 (prepare_function_start): Assert that previous compilation was freed.
2589 2008-04-01 Jan Hubicka <jh@suse.cz>
2590 Jim Wilson <wilson@tuliptree.org>
2591 Andreas Tobler <andreast@gcc.gnu.org>
2594 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
2595 rtl.emit instead cfun->emit.
2596 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
2597 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
2599 2008-04-01 Ben Elliston <bje@au.ibm.com>
2601 * doc/c-tree.texi (Function Basics): Fix grammatical error.
2603 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
2605 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
2607 (fprofile-use): Add var flag_profile_use
2608 * coverage.c (coverage_begin_output): Do not open a gcno file for
2609 output only if -ftest-coverage is set.
2610 Do not add getpwd() to gcda file path.
2611 (build_gcov_info): Check the new flag
2612 flag_profile_datafile_relative_path.
2613 (coverage_init): Use profile_data_prefix.
2614 Read profile counter only if flag_profile_use is set.
2615 * opts.c (common_handle_option): New option fprofile-use=,
2616 fprofile-dir=, fprofile-generate=.
2617 * toplev.c (profile_data_prefix): New variable definition.
2618 * toplev.h (profile_data_prefix): New declaration.
2619 * doc/invoke.tex (Option Summary, Optimization Options):
2622 2008-03-31 James E. Wilson <wilson@tuliptree.org>
2624 * varasm.c (output_constant_pool_1): In LABEL_REF check,
2625 use tmp consistently.
2628 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
2629 * config/ia64/ia64.c (rtx_needs_barrier): Handle
2630 UNSPEC_FR_RECIP_APPROX_RES.
2631 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
2633 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
2636 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
2638 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2641 * fold-const.c (fold_indirect_ref_1): Support accessing non first
2642 element of the vector via a pointer.
2644 2008-03-31 Ian Lance Taylor <iant@google.com>
2646 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
2648 2008-03-31 Jan Hubicka <jh@suse.cz>
2650 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2651 get_arg_pointer_save_area.
2652 * expr.c (init_expr): Just clear out rtl.expr.
2653 * function.c (free_after_compilation): Clear out whole RTL structure.
2654 (get_func_frame_size): Merge into ...
2655 (get_frame_size): ... this one.
2656 (assign_stack_local_1): Merge into ...
2657 (assign_stack_local): ... this one.
2658 (expand_function_end): Update call of get_arg_pointer_save_area.
2659 (get_art_pointer_save_area): Remove cfun argument.
2660 * function.h (emit_status): regno_pointer_align does not need length
2661 attribute. Move x_regno_reg_rtx to ...
2662 (regno_reg_rtx): ... new global array.
2663 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
2664 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
2665 apply_args_value, forced_labels, stack_pointer_delta):
2667 (struct varasm_status): Move here from varasm.c
2668 (struct rtl_data): New. Move here some fields from struct function.
2669 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2670 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2671 used_temp_slots avail_temp_slots, temp_slot_level,
2672 nonlocal_goto_handler_labels): Update accesstors.
2673 (rtl): New global variable.
2674 (struct function): Move some fileds to rtl_data.
2675 (get_arg_pointer_save_area): Update prototype.
2676 * emit-rtl.c (rtl): Declare.
2677 (regno_reg_rtx): Declare.
2678 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2680 (gen_reg_rtx): Update.
2681 (init_virtual_regs): Do not tate emit_status argument.
2682 (init_emit): Do not allocate emit.
2683 * varasm.c (varasm_statuc): Move to function.h.
2684 (n_deferred_constatns): Update accestor.
2685 (init_varasm_status): Do not allocate varasm_status.
2686 (force_const_mem, get_pool_size, output_constant_pool): Update.
2687 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2688 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2690 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
2692 PR rtl-optimization/35729
2693 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
2696 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
2699 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
2700 load/store if memory is unaligned.
2701 (*movti_rex64): Likewise.
2703 * config/i386/predicates.md (misaligned_operand): New.
2705 2008-03-31 Andrew Pinski <pinskia@gmail.com>
2708 * tree-ssa-phiopt.c (conditional_replacement): Return early for
2711 2008-03-31 Jan Beulich <jbeulich@novell.com>
2713 * config/ia64/constraints.md: Add 'j' constraint.
2714 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
2715 (movdi_internal): Likewise.
2717 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
2720 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
2722 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2725 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
2726 proper error message for the third argument on blendpd and
2729 * config/i386/sse.md (blendbits): New.
2730 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
2732 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
2734 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
2736 2008-03-30 Richard Guenther <rguenther@suse.de>
2739 * fold-const.c (fold_sign_changed_comparison): Do leave
2740 conversions to base-types alone.
2742 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2744 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
2745 the link register if one altivec register is be saved.
2747 2008-03-30 Ben Elliston <bje@au.ibm.com>
2749 * final.c (final_scan_insn): Remove if (0) code.
2751 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
2753 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
2755 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
2757 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
2758 of V4SFmode to ix86_binary_operator_ok.
2760 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
2762 * config/i386/i386.c (override_options): Initialize
2763 ix86_veclib_handler to ix86_veclibabi_svml when
2764 -mveclibabi=svml is used.
2765 (ix86_veclibabi_svml): New function for SVML ABI style
2766 vectorization support.
2767 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
2769 2008-03-28 Rafael Espindola <espindola@google.com>
2771 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2772 (tree_binary_nonnegative_warnv_p): Make it public.
2773 (tree_single_nonnegative_warnv_p): Make it public.
2774 (tree_invalid_nonnegative_warnv_p): Make it public.
2775 (tree_unary_nonzero_warnv_p): Make it public.
2776 (tree_binary_nonzero_warnv_p): Make it public
2777 (tree_single_nonzero_warnv_p): Make it public.
2778 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2779 (extract_range_from_binary_expr): Split the expr argument.
2780 (extract_range_from_unary_expr): Split the expr argument.
2781 (extract_range_from_comparison): Split the expr argument.
2782 (extract_range_from_expr): Use the new aux functions.
2783 (vrp_evaluate_conditional_warnv): Use
2784 vrp_evaluate_conditional_warnv_with_ops.
2785 * tree.h (tree_unary_nonzero_warnv_p): Declare.
2786 (tree_binary_nonzero_warnv_p): Declare.
2787 (tree_single_nonzero_warnv_p): Declare.
2788 (tree_expr_nonzero_warnv_p): Declare.
2789 (tree_unary_nonnegative_warnv_p): Declare.
2790 (tree_binary_nonnegative_warnv_p): Declare.
2791 (tree_single_nonnegative_warnv_p): Declare.
2792 (tree_invalid_nonnegative_warnv_p): Declare.
2794 2008-03-28 Richard Guenther <rguenther@suse.de>
2796 PR tree-optimization/30317
2797 PR tree-optimization/30911
2798 PR tree-optimization/34793
2799 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2800 (struct assert_locus_d): New member EXPR.
2801 (register_new_assert_for): Add EXPR parameter to support
2802 ASSERT_EXPR <name, expr OP limit>.
2803 (register_edge_assert_for_1): Adjust callers.
2804 (find_assert_locations): Likewise.
2805 (process_assert_insertions_for): Build condition from expression.
2806 (extract_range_from_assert): Handle ASSERT_EXPRs
2807 of the form ASSERT_EXPR <name, expr OP limit>.
2808 (register_edge_assert_for_2): New helper registering
2809 asserts for comparisons. Recognize range tests of the form
2810 (unsigned)i - CST1 OP CST2.
2811 (register_edge_assert_for_1): Use it.
2812 (register_edge_assert_for): Likewise.
2813 (needs_overflow_infinity): Integer sub-types
2814 do not need overflow infinities.
2815 (vrp_val_is_max): The extreme values of integer sub-types
2816 are those of the base type.
2817 (vrp_val_is_min): Likewise.
2818 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2821 2008-03-28 Nick Clifton <nickc@redhat.com>
2824 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2825 Return GENERAL_REGS for stack adjustment reloads.
2827 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2830 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2831 const_vector when all the vectors are constant.
2833 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2835 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2837 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2838 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2840 (s<code>_sf): Use new scc_sf attribute for opcode names.
2842 2008-03-27 Tom Tromey <tromey@redhat.com>
2844 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2845 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2846 config/spu/t-spu-elf, config/i386/t-interix,
2847 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2848 config/i386/x-darwin, config/i386/x-mingw32,
2849 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2850 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2851 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2852 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2853 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2854 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2855 config/score/t-score-elf, config/arm/t-strongarm-pe,
2856 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2857 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2858 Revert automatic dependency patch.
2860 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2863 * config/i386/i386.c (ix86_function_arg_boundary): Align
2864 decimal floating point to its natural boundary.
2866 2008-03-27 Richard Guenther <rguenther@suse.de>
2869 * fold-const.c (fold_comparison): Restrict distinct decl
2870 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2871 solely rely on operand_equal_p.
2873 2008-03-27 Richard Guenther <rguenther@suse.de>
2876 * c-common.c (handle_weak_attribute): Reject combination of
2879 2008-03-27 Richard Guenther <rguenther@suse.de>
2881 PR tree-optimization/32810
2882 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2883 conversions from DECL_INITIAL.
2884 (fold_const_aggregate_ref): Likewise from constructor elements.
2886 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2888 * tree-affine.h (aff_combination_expand): Declare.
2889 (get_inner_reference_aff): Likewise.
2890 * tree-affine.c (aff_combination_expand): Split out from
2891 tree_to_aff_combination_expand.
2892 (get_inner_reference_aff): New function.
2893 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2894 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2895 (struct lim_aux_data): sm_done field removed.
2896 (mem_ref_loc_p, mem_ref_locs_p): New types.
2897 (struct mem_ref): Added id, stored, accesses_in_loop,
2898 indep_loop, dep_loop, indep_ref, dep_ref fields.
2899 Removed is_stored, locs and next fields.
2900 (memory_accesses): New variable.
2901 (movement_possibility): Do not allow moving statements
2902 that store to memory.
2903 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2905 (determine_max_movement): For statements with memory references,
2906 find the outermost loop in that the reference is independent.
2907 (move_computations_stmt): Mark the virtual operands for renaming.
2908 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2909 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2910 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2911 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2912 create_vop_ref_mapping, analyze_memory_references,
2913 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2914 get_all_locs_in_loop, ref_always_accessed_p,
2915 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2916 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2917 store_motion_loop, store_motion): New functions.
2918 (struct vop_to_refs_elt): New type.
2919 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2920 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2921 (schedule_sm): Replaced by...
2922 (execute_sm): ... this.
2923 (determine_lsm_ref, hoist_memory_references,
2924 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2925 find_more_ref_vops, free_mem_ref, free_mem_refs,
2926 determine_lsm_loop, determine_lsm): Removed.
2927 (tree_ssa_lim_finalize): Free data structures used by store motion.
2928 (tree_ssa_lim): Call analyze_memory_references. Use
2929 store_motion instead of determine_lsm.
2931 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2933 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2934 rename tmake_file to m68hc11/t-m68hc11.
2935 (mcore): Set inhibit_libc to true.
2936 * config.host (alpha*-dec-*vms*): Set extra_programs.
2937 (interix3*): Don't use host_xmake_file.
2938 * configure.ac: Let config.gcc override inhibit_libc.
2939 * configure: Regenerate.
2941 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2942 * config/t-openbsd-thread: Remove commented out lines.
2944 * config/x-interix: Remove.
2946 * config/m68hc11/t-m68hc11-gas: Rename to...
2947 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2949 * config/mcore/t-mcore: Remove T_CFLAGS.
2950 * config/mcore/t-mcore-pe: Likewise.
2952 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2954 * configure.ac: Replace custom __GNU_SOURCE test with
2955 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
2956 * aclocal.m4: Regenerate.
2957 * configure: Regenerate.
2958 * config.in: Regenerate.
2960 2008-03-27 Richard Guenther <rguenther@suse.de>
2962 * fold-const.c (target.h): Include.
2963 (fold_comparison): Fold comparison of addresses of decls
2964 that bind locally or of constants. Consolidate address folding code.
2965 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
2966 results from fold_binary_to_constant.
2967 (compare_values_warnv): Likewise.
2969 2008-03-27 Andrew Pinski <pinskia@gmail.com>
2972 * fold-const.c (fold_truthop): Check for integeral types when folding
2973 a == 0 && b == 0 and a != 0 || b != 0 .
2975 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
2977 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
2979 2008-03-26 Andreas Schwab <schwab@suse.de>
2981 * doc/invoke.texi: Fix use of @item vs. @itemx.
2983 2008-03-26 Tom Tromey <tromey@redhat.com>
2985 * Makefile.in (build/gensupport.o, build/print-rtl.o,
2986 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
2987 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
2988 build/gencodes.o, build/genconditions.o, build/genconfig.o,
2989 build/genconstants.o, build/genemit.o, build/genextract.o,
2990 build/genflags.o, build/genmddeps.o, build/genopinit.o,
2991 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
2994 2008-03-26 Richard Guenther <rguenther@suse.de>
2997 2008-03-26 Richard Guenther <rguenther@suse.de>
2999 * fold-const.c (target.h): Include.
3000 (fold_comparison): Fold comparison of addresses of two decls
3001 that bind locally. Consolidate address folding code.
3003 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3005 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3006 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3007 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3008 dconstsqrt2, dconstthird, dconste and/or dconst10.
3009 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3010 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3011 dconstsqrt2, dconste): Delete.
3012 (init_emit_once): Likewise. Simplify initializing dconstm1.
3014 * real.c (get_real_const): New.
3015 * real.h (dconst3, dconst10, dconstm2, dconstthird,
3016 dconstsqrt2, dconste): Delete.
3017 (real_value_const, get_real_const): New.
3019 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
3021 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3023 * config/i386/i386.c (ix86_function_arg_boundary): Check
3024 BIGGEST_ALIGNMENT instead of 128.
3025 (setup_incoming_varargs_64): Likewise.
3027 2008-03-26 Tom Tromey <tromey@redhat.com>
3029 * Makefile.in (DEPFILES): Add missing '/'.
3031 2008-03-26 Richard Guenther <rguenther@suse.de>
3033 * fold-const.c (target.h): Include.
3034 (fold_comparison): Fold comparison of addresses of two decls
3035 that bind locally. Consolidate address folding code.
3037 2008-03-26 Nick Clifton <nickc@redhat.com>
3040 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3041 not allow INT+INT as a legitimate addressing mode.
3043 2008-03-26 Richard Guenther <rguenther@suse.de>
3045 * tree-flow.h (widen_bitfield): Remove declaration.
3046 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3047 (widen_bitfield): Remove function.
3048 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3051 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3054 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3057 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
3059 PR rtl-optimization/35232
3060 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3061 (forget_old_reloads_1, forget_marked_reloads): Don't clear
3062 reg_reloaded_call_part_clobbered here.
3063 (reload_regs_reach_end_p): New function.
3064 (reload_reg_rtx_for_input): New variable.
3065 (reload_reg_rtx_for_output): Likewise.
3066 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3067 when reassigning a pseudo register. Load reloadreg from
3068 reload_reg_rtx_for_input, moving the mode and register
3070 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
3071 instead of the original when deciding whether an input reload
3072 would be a no-op or whether an output reload can be deleted.
3073 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3074 when setting up new_spill_reg_store. Load it from
3075 reload_reg_rtx_for_output, moving the mode and register
3077 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
3078 instead of the original when deciding whether an output reload
3079 would be a no-op. Do the same when modifying insn notes.
3080 Use rtx_equal_p instead of == to compare the registers.
3081 (inherit_piecemeal_p): Take a mode and two register numbers
3083 (emit_reload_insns): Clear new_spill_reg_store for every hard
3084 register in the reload register. Remove spill registers
3085 from reg_reloaded_valid before considering whether to record
3086 inheritance information for them. Use reload_reg_rtx_for_output
3087 instead of reg_rtx when recording output reloads. Use
3088 reload_reg_rtx_for_input instead of reg_rtx when recording
3089 input reloads. Set or clear reg_reloaded_call_part_clobbered
3090 at the same time as setting reg_reloaded_valid.
3091 (delete_output_reload): Add a new_reload_reg parameter and use it
3092 instead of rld[j].reg_rtx.
3093 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3096 2008-03-25 Tom Tromey <tromey@redhat.com>
3098 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3099 (build/genattr.o): Likewise.
3100 (build/genattrtab.o): Likewise.
3101 (build/gencodes.o): Likewise.
3102 (build/genconfig.o): Likewise.
3103 (build/genconstants.o): Likewise.
3104 (build/genemit.o): Likewise.
3105 (build/genextract.o): Likewise.
3106 (build/genflags.o): Likewise.
3108 2008-03-25 Bob Wilson <bob.wilson@acm.org>
3110 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3111 instead of size_int for integer types.
3112 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
3113 to match type of MINUS_EXPR.
3115 2008-03-25 Tom Tromey <tromey@redhat.com>
3117 * configure: Rebuilt.
3118 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3121 2008-03-25 Tom Tromey <tromey@redhat.com>
3123 * config/x-solaris (host-solaris.o): Update.
3124 * config/x-linux (host-linux.o): Update.
3125 * config/x-hpux (host-hpux.o): Update.
3126 * config/x-darwin (host-darwin.o): Update.
3127 * config/v850/t-v850e (v850-c.o): Update.
3128 * config/v850/t-v850 (v850-c.o): Update.
3129 * config/t-vxworks (vxworks.o): Update.
3130 * config/t-sol2 (sol2-c.o, sol2.o): Update.
3131 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3132 * config/spu/t-spu-elf (spu-c.o): Update.
3134 * config/sh/t-symbian (sh-c.o): Update.
3135 (symbian.o): Update.
3136 * config/sh/t-sh (sh-c.o): Update.
3137 * config/score/t-score-elf (score7.o, score3.o): Update.
3138 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3139 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3140 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3141 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3143 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3144 * config/m32c/t-m32c (m32c-pragma.o): Update.
3145 * config/ia64/t-ia64 (ia64-c.o): Update.
3146 * config/i386/x-mingw32 (host-mingw32.o): Update.
3147 * config/i386/x-i386 (driver-i386.o): Update.
3148 * config/i386/x-darwin (host-i386-darwin.o): Update.
3149 * config/i386/x-cygwin (host-cygwin.o): Update.
3150 * config/i386/t-nwld (nwld.o): Update.
3151 * config/i386/t-netware (netware.o): Update.
3152 * config/i386/t-interix (winnt.o): Update.
3153 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3154 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3155 msformat-c.o): Update.
3156 * config/bfin/t-bfin-linux (generated_files): Add
3157 linux-sysroot-suffix.h.
3158 * config/arm/t-wince-pe (pe.o): Update.
3159 * config/arm/t-strongarm-pe (pe.o): Update.
3160 * config/arm/t-pe (pe.o): Update.
3161 * config/arm/t-arm (arm-c.o): Update.
3162 * doc/install.texi (Prerequisites): Require make 3.80.
3163 * Makefile.in: Remove .o targets.
3164 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3165 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3166 (simple_generated_h, simple_generated_c): Move earlier.
3167 (generated_files): New variable.
3168 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3169 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3170 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3171 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3172 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3173 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3174 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3175 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3176 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3177 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3178 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3179 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3181 (COMPILE.base, COMPILE): New variables.
3182 (%.o): New pattern rule.
3183 (ALL_HOST_OBJS): New variable.
3184 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3185 (dummy-checksum.o, cc1-checksum.o): Remove.
3186 (DRIVER_SHLIB): New variable.
3187 (DRIVER_DEFINES): Use it.
3188 (gencondmd.c): Move out of build/.
3189 (s-conditions): Update.
3190 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3191 (ALL_BUILD_OBJS): Likewise.
3192 (build/%.o): Use BUILDCOMPILE.
3193 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3194 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3195 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3196 build/gencheck.o, build/gencodes.o, build/genconditions.o,
3197 build/genconfig.o, build/genconstants.o, build/genemit.o,
3198 build/genextract.o, build/genflags.o, build/genmddeps.o,
3199 build/genopinit.o, build/genoutput.o, build/genpeep.o,
3200 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3201 build/gen-protos.o, build/scan.o, build/fix-header.o,
3202 build/scan-decls.o): Simplify.
3203 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3204 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3205 prefix.o, toplev.o): Reduce to variable setting.
3206 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
3207 ($(out_object_file), gcc-options.o): New targets.
3208 ($(ALL_HOST_OBJS)): New target. Include dependency files.
3209 * configure: Rebuilt.
3210 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3211 * doc/sourcebuild.texi (Front End Directory): Document new variable.
3213 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
3215 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3216 complain when we hit an error, return ERROR_MARK_NODE.
3218 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3220 * config/sh/constraints.md (Pso, Psz): New constraints.
3221 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3222 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3224 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3226 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3227 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3229 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3231 * config/sh/sh.md (prefetch): Add condition for SH2A target.
3232 (prefetch_sh2a): New.
3234 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3235 Naveen.H.S <naveen.hs@kpitcummins.com>
3237 * config/sh/constraints.md (I28): New constraint.
3238 * config/sh/sh.c (broken_move): Add support for movi20s.
3239 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3241 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
3242 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3243 Naveen.H.S <naveen.hs@kpitcummins.com>
3245 * config/sh/sh.c (SH_ATTRIBUTES): Define.
3246 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3247 (print_operand): Handle resbank in %@ operand code.
3248 (sh_encode_section_info): New.
3249 (push_regs): Add conditions for resbank.
3250 (sh_expand_epilogue): Likewise.
3251 (sh_insert_attributes): Likewise.
3252 (sh_attribute_table): Likewise.
3253 (sh_handle_resbank_handler_attribute): New.
3254 (sh2a_handle_function_vector_handler_attribute): New.
3255 (sh2a_is_function_vector_call): New.
3256 (sh2a_get_function_vector_number): New.
3257 (sh2a_function_vector_p): New.
3258 (sh_cfun_resbank_handler_p): New.
3259 * config/sh/sh.md (calli): Emit jsr/n if possible.
3260 (calli_tbr_rel): New.
3261 (calli_pcrel): Emit jsr/n if possible.
3262 (return_i): Emit rts/n if possible.
3263 (call_valuei_tbr_rel): New.
3264 (call_valuei_pcrel): Add condition for SH2A target.
3265 (call_value): Likewise.
3266 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3267 (sh2a_get_function_vector_number): Likewise.
3268 (sh2a_is_function_vector_call): Likewise.
3269 * doc/extend.texi: Document TBR relative addressing of SH2A.
3270 (resbank): Add description for SH2A.
3272 2008-03-24 Richard Guenther <rguenther@suse.de>
3275 * gimplify.c (gimplify_modify_expr): For frontend type-correct
3276 pointer assignments change conversions according to middle-end rules.
3277 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3278 * configure.ac: Include type checking in yes.
3279 * configure: Regenerate.
3281 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3283 * diagnostic.c (diagnostic_count_diagnostic): Delete.
3284 (diagnostic_report_diagnostic): Update. Handle ICEs here.
3286 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
3288 * gthr-vxworks.h (UNUSED): Define.
3290 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
3292 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3294 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3296 * doc/extend.texi (Function Attributes): Add missing comma in the
3297 example of the "alloc_size" attribute.
3299 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
3302 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3304 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3307 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3310 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3311 of the underlying type of a MS bitfield layout to the natural
3312 alignment of the type.
3314 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3316 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3317 to their natural alignment to avoid store forwarding stalls.
3319 2008-03-22 Richard Guenther <rguenther@suse.de>
3321 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3322 For PHI nodes verify the address is invariant.
3323 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3324 (get_symbol_constant_value): Use is_gimple_min_invariant.
3325 (maybe_fold_stmt_indirect): Likewise.
3327 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3329 PR rtl-optimization/33927
3330 * Makefile.in (dse.o): Depend on $(TM_P_H).
3331 * expr.h (extract_low_bits): Declare.
3332 * expmed.c (extract_low_bits): New function.
3333 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3334 * dse.c: Include tm_p.h.
3335 (find_shift_sequence): Remove the read_reg argument and return the
3336 read value. Emit the instructions instead of returning them.
3337 Iterate on new_mode rather than calculating it each time.
3338 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3339 source to NEW_MODE and extract_low_bits to convert the shifted
3341 (replace_read): Allow the load and store to have different mode
3342 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3343 or extraction instructions before trying the replacement. Update
3344 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3346 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3348 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3349 to their natural alignment to avoid store forwarding stalls.
3351 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3354 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3355 encouraging but not allowing gprs for input;
3356 change the input constraint to !f#r.
3357 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3359 change the output constraint to !f#r.
3361 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3364 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3365 corresponding post-reload splitters.
3366 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3367 when x87 FP math is selected.
3368 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3369 New function prototype.
3370 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3371 unreachable function to ease macroization of insn patterns.
3373 2008-03-21 Martin Jambor <mjambor@suse.cz>
3375 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3376 reference dumps if ddr is NULL or dependence is unknown.
3378 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3380 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3381 unsigned extension into account.
3382 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3383 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3384 Do computations on a scratch register.
3386 2008-03-21 Richard Guenther <rguenther@suse.de>
3388 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3389 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3390 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3391 * tree-ssa-dom.c (record_equality): Likewise.
3392 * tree-inline.c (copy_body_r): Likewise.
3393 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3396 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3398 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3399 as 'delete_unused' argument.
3401 2008-03-20 Richard Guenther <rguenther@suse.de>
3403 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3404 special casing of constant qualifiers.
3405 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3406 care about them in general.
3407 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3408 regardless of their type.
3409 (fold_stmt_r): Forcefully fold *& if we end up with that.
3411 2008-03-20 Paul Brook <paul@codesourcery.com>
3413 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3414 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3416 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3418 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3419 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3421 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3423 * common.opt (Wmudflap): New option.
3424 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3425 (mx_register_decls): Likewise.
3426 (mudflap_finish_file): Likewise.
3427 * doc/invoke.texi: Document -Wno-mudflap.
3429 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3431 * c-format.c (replace_format_name_to_system_name): New.
3433 (convert_format_name_to_system_name): New.
3434 (decode_format_attr): Add use of convert_format_name_to_system_name.
3435 (format_types_orig): Add gnu_ prefix to names.
3436 (check_format_info_main): Special treating of \0 escaped names for
3437 supporting multi-character format specifiers as I32, I64.
3438 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3439 (gnu_target_overrides_format_attributes): New.
3440 * c-format.h: Add structure target_ovr_attr to hold
3441 system specific formatter names.
3442 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3443 msformat-c.o file to c_target_objs and cxx_target_objs.
3444 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3445 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3446 (TARGET_N_FORMAT_TYPES): New.
3447 * config/i386/msformat-c.c: New.
3448 * config/i386/t-cygming: Add build rule for msformat-c.o.
3449 * doc/extend.texi: Add new format names gnu_* and ms_* and
3451 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3453 2008-03-20 Ira Rosen <irar@il.ibm.com>
3455 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3456 optimizations turned on under -O3.
3457 (ftree-vectorize): Add that the flag is turned on with -O3.
3459 2008-03-20 Ben Elliston <bje@au.ibm.com>
3461 * regmove.c (try_auto_increment): Fix spelling error in comment.
3462 * final.c (final_scan_insn): Likewise.
3464 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3467 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3468 allocator preferences for "y" and "r" class registers.
3469 ("*mov<mode>_internal"): Ditto.
3470 ("*movv2sf_internal_rex64"): Ditto.
3471 ("*movv2sf_internal"): Ditto.
3473 2008-03-19 Michael Matz <matz@suse.de>
3476 * calls.c (expand_call): Check overlap of arguments with call
3477 address for sibcalls.
3479 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3482 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3483 of the underlying type of a MS bitfield layout to the natural
3484 alignment of the type.
3486 2008-03-19 Jan Hubicka <jh@suse.cz>
3489 * toplev.c (decode_d_option): Handle all CPP flags.
3490 * tree-vrp.c: Update tree_pass descriptors.
3491 * regrename.c: Update tree_pass descriptors.
3492 * fwprop.c: Update tree_pass descriptors.
3493 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3494 * tree-into-ssa.c: Update tree_pass descriptors.
3495 * tree-dump.c: Update tree_pass descriptors.
3496 * tree-complex.c: Update tree_pass descriptors.
3497 * tree-dump.h: Update tree_pass descriptors.
3498 * see.c: Update tree_pass descriptors.
3499 * cgraphbuild.c: Update tree_pass descriptors.
3500 * tracer.c: Update tree_pass descriptors.
3501 * tree-loop-distribution.c: Update tree_pass descriptors.
3502 * cgraph.c: Update tree_pass descriptors.
3503 * postreload-gcse.c: Update tree_pass descriptors.
3504 * postreload.c: Update tree_pass descriptors.
3505 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3506 * tree-tailcall.c: Update tree_pass descriptors.
3507 * tree-pass.h (tree_opt_pass): Rename to ...
3508 (opt_pass) ... this one; add "type" field and remove letter field.
3509 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3510 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3511 all_lowering_passes): Update declaration.
3512 * ipa-cp.c: Update tree_pass descriptors.
3513 * final.c: Update tree_pass descriptors.
3514 * omp-low.c: Update tree_pass descriptors.
3515 * tree-ssa-dse.c: Update tree_pass descriptors.
3516 * ipa-reference.c: Update tree_pass descriptors.
3517 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3518 * auto-inc-dec.c: Update tree_pass descriptors.
3519 * reorg.c: Update tree_pass descriptors.
3520 * cgraphunit.c: Update tree_pass descriptors.
3521 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3522 * tree-ssa-ccp.c: Update tree_pass descriptors.
3523 * df-core.c: Update tree_pass descriptors.
3524 * mode-switching.c: Update tree_pass descriptors.
3525 * tree-nomudflap.c: Update tree_pass descriptors.
3526 * modulo-sched.c: Update tree_pass descriptors.
3527 * ipa-pure-const.c: Update tree_pass descriptors.
3528 * cse.c: Update tree_pass descriptors.
3529 * web.c: Update tree_pass descriptors.
3530 * tree-stdarg.c: Update tree_pass descriptors.
3531 * tree-ssa-math-opts.c: Update tree_pass descriptors.
3532 * tree-ssa-dom.c: Update tree_pass descriptors.
3533 * tree-nrv.c: Update tree_pass descriptors.
3534 * tree-ssa-alias.c: Update tree_pass descriptors.
3535 * loop-init.c: Update tree_pass descriptors.
3536 * gimple-low.c: Update tree_pass descriptors.
3537 * ipa-inline.c: Update tree_pass descriptors.
3538 * tree-ssa-sink.c: Update tree_pass descriptors.
3539 * global.c: Update tree_pass descriptors.
3540 * ifcvt.c: Update tree_pass descriptors.
3541 * jump.c: Update tree_pass descriptors.
3542 * predict.c: Update tree_pass descriptors.
3543 * tree-ssa-loop.c: Update tree_pass descriptors.
3544 * recog.c: Update tree_pass descriptors.
3545 * dse.c: Update tree_pass descriptors.
3546 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3547 * tree-eh.c: Update tree_pass descriptors.
3548 * regmove.c: Update tree_pass descriptors.
3550 * function.c: Update tree_pass descriptors.
3551 * tree-vectorizer.c: Update tree_pass descriptors.
3552 * gcse.c: Update tree_pass descriptors.
3553 * ipa-type-escape.c: Update tree_pass descriptors.
3554 * tree-if-conv.c: Update tree_pass descriptors.
3555 * init-regs.c: Update tree_pass descriptors.
3556 * ipa.c: Update tree_pass descriptors.
3557 * tree-ssa-phiopt.c: Update tree_pass descriptors.
3558 * rtl-factoring.c: Update tree_pass descriptors.
3559 * lower-subreg.c: Update tree_pass descriptors.
3560 * bt-load.c: Update tree_pass descriptors.
3561 * tree-dfa.c: Update tree_pass descriptors.
3562 * except.c: Update tree_pass descriptors.
3563 * emit-rtl.c: Update tree_pass descriptors.
3564 * cfgexpand.c: Update tree_pass descriptors.
3565 * tree-cfgcleanup.c: Update tree_pass descriptors.
3566 * cfgcleanup.c: Update tree_pass descriptors.
3567 * tree-ssa-pre.c: Update tree_pass descriptors.
3568 * tree-sra.c: Update tree_pass descriptors.
3569 * tree-mudflap.c: Update tree_pass descriptors.
3570 * tree-ssa-copy.c: Update tree_pass descriptors.
3571 * cfglayout.c: Update tree_pass descriptors.
3572 * tree-ssa-forwprop.c: Update tree_pass descriptors.
3573 * tree-ssa-dce.c: Update tree_pass descriptors.
3574 * tree-ssa.c: Update tree_pass descriptors.
3575 * regclass.c: Update tree_pass descriptors.
3576 * integrate.c: Update tree_pass descriptors.
3577 * tree-optimize.c: Update tree_pass descriptors.
3578 * tree-ssa-phiprop.c: Update tree_pass descriptors.
3579 * tree-object-size.c: Update tree_pass descriptors.
3580 * combine.c: Update tree_pass descriptors.
3581 * tree-outof-ssa.c: Update tree_pass descriptors.
3582 * bb-reorder.c: Update tree_pass descriptors.
3583 * stack-ptr-mod.c: Update tree_pass descriptors.
3584 * var-tracking.c: Update tree_pass descriptors.
3585 * tree-profile.c: Update tree_pass descriptors.
3586 * tree-vect-generic.c: Update tree_pass descriptors.
3587 * reg-stack.c: Update tree_pass descriptors.
3588 * sched-rgn.c: Update tree_pass descriptors.
3589 * tree-ssa-structalias.c: Update tree_pass descriptors.
3590 * tree-cfg.c: Update tree_pass descriptors.
3591 * passes.c (current_pass): Update declaration.
3592 (finish_optimization_passes): Update.
3593 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
3594 (register_one_dump_file, register_dump_files_1, next_pass_1):
3596 (init_optimization_passes): Update handling of new types.
3597 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
3598 * ipa-struct-reorg.c: Update tree_pass descriptors.
3599 * tree-ssa-reassoc.c: Update tree_pass descriptors.
3600 * combine-stack-adj.c: Update tree_pass descriptors.
3601 * cfgrtl.c: Update tree_pass descriptors.
3602 * dce.c: Update tree_pass descriptors.
3603 * tree-ssanames.c: Update tree_pass descriptors.
3605 2008-03-19 Richard Guenther <rguenther@suse.de>
3608 * tree-ssa.c (walk_data): New structure.
3609 (warn_uninitialized_var): If not always_executed warn with "maybe"
3611 (execute_early_warn_uninitialized): Compute post-dominators.
3612 Initialize always_executed before processing each basic block.
3614 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
3617 * config/i386/i386.c (x86_this_parameter): Calculate correct location
3618 of "this" pointer when "regparm = N" or "fastcall" is in effect.
3620 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3622 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
3624 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
3626 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
3628 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
3629 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
3630 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
3631 target after ignore has been set, and move there also the commputation
3632 of subtarget and original_target.
3633 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
3634 (LANG_HOOKS_INITIALIZER): Remove it.
3635 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
3637 2008-03-18 Richard Guenther <rguenther@suse.de>
3639 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
3640 found an expression with constants, note that in the VN for the lhs.
3641 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
3642 fold them to constants if possible. Run cleanup_cfg if done so.
3643 (execute_pre): Return todo.
3645 (execute_fre): Likewise.
3646 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
3648 (get_prop_source_stmt): Look through pointer conversions.
3650 2008-03-18 Jan Hubicka <jh@suse.cz>
3652 * tree-pretty-print.c: Include predict.h.
3653 (dump_generic_node): Dump predictor.
3654 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
3655 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
3656 * gimple-low.c (lower_stmt): Likewise.
3657 * expr.c (expand_expr_real): Likewise.
3658 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
3660 (build_predict_expr, build_predict_expr): New.
3661 * predict.h (predictor_name, build_predict_expr): Update.
3662 * c-typeck.c (c_finish_bc_stmt): Add prediction.
3663 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
3664 * predict.def (PRED_CONTINUE): Update hitrate.
3665 * tree.def (PREDICT_EXPR): Define.
3666 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3667 do not handle BIND_EXPR.
3668 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3669 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3670 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3673 2008-03-18 Michael Matz <matz@suse.de>
3675 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3677 2008-03-18 Richard Guenther <rguenther@suse.de>
3679 * tree-gimple.h (is_gimple_invariant_address): Declare.
3680 (is_gimple_constant): Likewise.
3681 * tree-gimple.c (is_gimple_constant): New function.
3682 (is_gimple_invariant_address): Likewise.
3683 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3684 and is_gimple_invariant_address.
3685 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3687 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3688 an addressable base.
3690 2008-03-18 Jakub Jelinek <jakub@redhat.com>
3693 * gimplify.c (gimplify_expr): Gimplify second operand of
3696 2008-03-17 Richard Guenther <rguenther@suse.de>
3698 PR tree-optimization/19637
3699 * fold-const.c (fold_unary): Remove restrictions of removing
3700 intermediate pointer-conversions (P2)(P1)P0.
3701 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3702 conversion to void pointer.
3703 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3705 2008-03-16 James E. Wilson <wilson@tuliptree.org>
3708 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3709 emulated thread local variables.
3711 2008-03-16 Richard Guenther <rguenther@suse.de>
3714 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3715 expand TREE_INVARIANT operations that are not gimple invariant.
3717 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
3719 * doc/extend.texi (Alignment): Say that the ABI controls
3720 the __alignof__ for non-strict-alignment targets rather
3721 than being a recommendation.
3723 2008-03-15 Paul Brook <paul@codesourcery.com>
3725 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3727 (arm_output_fn_unwind): Mark functions that can not be unwound.
3729 2008-03-15 Paul Brook <paul@codesourcery.com>
3731 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3732 extension instructions.
3734 2008-03-15 Richard Guenther <rguenther@suse.de>
3736 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3737 and fold constant aggregate refs.
3738 (fold_const_aggregate_ref): Handle string constants
3739 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
3740 (evaluate_stmt): Simplify now that ccp_fold folds constant
3743 2008-03-15 Paul Brook <paul@codesourcery.com>
3745 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3746 (extzv): Use gen_extzv_t2.
3747 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3749 2008-03-15 Richard Guenther <rguenther@suse.de>
3751 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3752 (fold_const_aggregate_ref): Likewise.
3753 (get_value): Return NULL if we don't have any values.
3754 (ccp_finalize): Set const_val to NULL after freeing it.
3755 * tree-flow.h (get_symbol_constant_value): Declare.
3756 (fold_const_aggregate_ref): Likewise.
3757 * tree-ssa-sccvn.c (try_to_simplify): Use them.
3759 2008-03-15 Richard Guenther <rguenther@suse.de>
3762 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3763 to not produce negative array indices if not allowed. Add
3764 parameter to indicate that.
3765 (maybe_fold_offset_to_component_ref): Allow negative array
3766 indices only for the first member of a structure.
3767 (maybe_fold_offset_to_reference): Allow negative array indices.
3768 (maybe_fold_stmt_addition): Likewise.
3770 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
3771 Anatoly Sokolov <aesok@post.ru>
3773 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
3774 (avr_arch): Add ARCH_AVR6.
3775 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3776 (initial_elimination_offset): Initialize and use 'avr_pc_size'
3777 instead of fixed value 2.
3778 (print_operand_address): Use gs() asm specifier instead of pm().
3779 (avr_assemble_integer): (Ditto.).
3780 (avr_output_addr_vec_elt): (Ditto.).
3781 (print_operand): Handle "!" code.
3782 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
3783 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3784 (AVR_HAVE_EIJMP_EICALL): Define.
3785 (AVR_3_BYTE_PC): Redefine.
3786 (AVR_2_BYTE_PC): (Ditto.).
3787 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3788 (LINK_SPEC): Add atmega2560 and atmega2561.
3789 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3791 * config/avr/avr.md (call_insn): Use eicall instead of icall
3792 for 3 byte PC devices.
3793 (call_value_insn): (Ditto.).
3794 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3795 (indirect_jump): Use only for for 2 byte PC devices.
3796 (*tablejump): (Ditto.).
3797 (*indirect_jump_avr6): Add insn.
3798 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3799 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
3800 instead of ijmp for 3 byte PC devices.
3801 (__tablejump2__): (Ditto.).
3802 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3803 (MULITLIB_DIRNAMES): (Ditto.).
3804 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3806 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3808 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3809 "sse2_umulsidi3". Use V1DI mode for operand 0.
3810 ("mmx_psadbw"): Use V1DI mode for operand 0.
3811 * config/i386/i386-modes.def (V1SI): New vector mode.
3812 * config/i386/i386.c (struct builtin_description)
3813 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3814 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3815 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3816 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3817 v1di_ftype_v8qi_v8qi type.
3818 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3820 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3821 __builtin_ia32_pmuludq]: Fix the mode of return value.
3823 2008-03-15 Richard Guenther <rguenther@suse.de>
3826 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3829 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3831 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3832 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3833 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3834 unless TARGET_SERIALIZE_VOLATILE is enabled.
3835 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3836 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3837 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3839 2008-03-14 Richard Guenther <rguenther@suse.de>
3841 PR tree-optimization/34172
3842 * tree-flow.h (refs_may_alias_p): Declare.
3843 (get_single_def_stmt): Likewise.
3844 (get_single_def_stmt_from_phi): Likewise.
3845 (get_single_def_stmt_with_phi): Likewise.
3846 * tree-dfa.c (refs_may_alias_p): New function.
3847 (get_single_def_stmt): Likewise.
3848 (get_single_def_stmt_from_phi): Likewise.
3849 (get_single_def_stmt_with_phi): Likewise.
3850 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3851 (vn_reference_lookup_1): New helper function.
3852 (vn_reference_lookup): Walk the virtual use-def chain to
3853 continue searching for a match if the def does not alias the
3854 reference we are looking for.
3856 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3858 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3859 archive and Perzl. Update The Written Word listing.
3861 2008-03-14 Richard Guenther <rguenther@suse.de>
3863 PR tree-optimization/34043
3864 PR tree-optimization/33989
3865 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3867 (bitmap_find_leader): Use extra argument to verify dominance
3868 relationship inside a basic-block.
3869 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3870 (find_leader_in_sets): Adjust.
3871 (create_component_ref_by_pieces): Take extra argument for
3872 dominance check, handle lookup failures.
3873 (find_or_generate_expression): Likewise.
3874 (create_expression_by_pieces): Likewise.
3875 (insert_into_preds_of_block): Adjust.
3876 (create_value_expr_from): If asked for, verify all operands
3877 are in the blocks AVAIL_OUT set.
3878 (make_values_for_stmt): Check for SSA_NAMEs that are life
3879 over an abnormal edge.
3880 (compute_avail): Remove such check.
3881 (do_SCCVN_insertion): New function.
3882 (eliminate): If we do not find a leader suitable for replacement
3883 insert a replacement expression from SCCVN if available.
3884 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3885 (struct vn_ssa_aux): Add needs_insertion flag.
3886 * tree-ssa-sccvn.c (may_insert): New global flag.
3887 (copy_reference_ops_from_ref): Value-number union member access
3888 based on its size, not type and member if insertion is allowed.
3889 (visit_reference_op_load): For a weak match from union type
3890 punning lookup a view-converted value and insert a SSA_NAME
3891 for that value if that is not found.
3892 (visit_use): Make dumps shorter. Do not disallow value numbering
3893 SSA_NAMEs that are life over an abnormal edge to constants.
3894 (free_scc_vn): Release inserted SSA_NAMEs.
3895 (run_scc_vn): New flag to specify whether insertion is allowed.
3896 Process SSA_NAMEs in forward order.
3897 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3898 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3899 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3900 pointer type to/from integral types that do not change the
3901 precision to regular conversions.
3903 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3905 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3906 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3907 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3908 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3909 input arguments and the mode of return value. Built-in functions
3910 that operate on whole 64-bit MMX register now use V1DI mode.
3912 2008-03-13 Alon Dayan <alond@il.ibm.com>
3913 Olga Golovanevsky <olga@il.ibm.com>
3915 PR tree-optimization/35041
3916 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3917 to locate the right position in a statement.
3919 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3923 * config/i386/xmmintrin.h: Change all static inline functions to
3924 extern inline and add __gnu_inline__ attribute.
3925 * config/i386/bmintrin.h: Ditto.
3926 * config/i386/smmintrin.h: Ditto.
3927 * config/i386/tmmintrin.h: Ditto.
3928 * config/i386/mmintrin-common.h: Ditto.
3929 * config/i386/ammintrin.h: Ditto.
3930 * config/i386/emmintrin.h: Ditto.
3931 * config/i386/pmmintrin.h: Ditto.
3932 * config/i386/mmintrin.h: Ditto.
3933 * config/i386/mm3dnow.h: Ditto.
3935 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3938 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3939 (lower_omp_2): New function.
3940 (lower_omp_1, lower_omp): Rewritten.
3942 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3945 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3946 with the phrase "Microsoft Windows compilers".
3947 (Push/Pop Macro Pragmas): New subsection. Document
3948 #pragma push_macro and pragma pop_macro.
3950 2008-03-12 Paul Brook <paul@codesourcery.com>
3952 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3954 2008-03-12 Paul Brook <paul@codesourcery.com>
3956 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
3957 (thumb2_alusi3_short): Exclude PLUS and MINUS.
3958 (thumb2_addsi_shortim): Rename ...
3959 (thumb2_addsi_short): ... to this. Allow register operands.
3960 (thumb2_subsi_short): New pattern.
3961 (thumb2_one_cmplsi2_short,
3962 thumb2_negsi2_short): New patterns and peepholes.
3964 2008-03-12 Paul Brook <paul@codesourcery.com>
3966 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
3968 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
3970 * config/i386/i386.md (int_cond): New code iterator.
3972 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
3973 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
3974 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
3975 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
3976 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
3977 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
3978 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
3979 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
3981 2008-03-12 Paul Brook <paul@codesourcery.com>
3983 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
3984 instead of {arm,thumb}_compute_save_reg_mask.
3985 (output_return_instruction): Ditto.
3986 (thumb_unexpanded_epilogue): Ditto.
3987 (thumb1_expand_prologue): Ditto.
3988 (thumb1_output_function_prologue): Ditto.
3989 (arm_set_return_address): Ditto.
3990 (thumb_set_return_address): Ditto.
3991 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
3992 regs to achieve stack alignment.
3993 (thumb1_compute_save_reg_mask): Fix compiler warning.
3994 (arm_output_epilogue): Use offsets->saved_regs_mask.
3995 Adjust stack pointer by poping call clobered registers.
3996 (arm_expand_prologue): Use offsets->saved_regs_mask.
3997 Adjust stack pointer by pushing extra registers.
3998 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4000 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
4003 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4004 conversion to the operands of a multiplication.
4006 2008-03-12 Richard Guenther <rguenther@suse.de>
4008 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4009 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4010 * timevar.def (TV_TREE_PHIPROP): Add.
4011 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4012 pass description. Use TV_TREE_PHIPROP.
4013 * tree-ssa-forwprop.c: Remove phiprop code.
4015 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4018 * omp-low.c (maybe_lookup_decl): Constify first argument.
4019 (use_pointer_for_field): Change last argument from bool to
4020 omp_context *. Disallow shared copy-in/out in nested
4021 parallel if decl is shared in outer parallel too.
4022 (build_outer_var_ref, scan_sharing_clauses,
4023 lower_rec_input_clauses, lower_copyprivate_clauses,
4024 lower_send_clauses, lower_send_shared_vars): Adjust callers.
4026 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
4027 Ira Rosen <irar@il.ibm.com>
4029 * tree-vectorizer.c (free_stmt_vec_info): New function.
4030 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4031 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4032 * tree-vectorizer.h (free_stmt_vec_info): Declare.
4033 * tree-vect-transform.c (vectorizable_conversion): Free
4034 vec_oprnds0 if it was allocated.
4035 (vect_permute_store_chain): Remove unused VECs.
4036 (vectorizable_store): Free VECs that are allocated in the..
4038 (vect_transform_strided_load, vectorizable_load): Likewise.
4039 (vect_remove_stores): Simplify the code.
4040 (vect_transform_loop): Move code to vect_remove_stores().
4041 Call vect_remove_stores() and free_stmt_vec_info().
4043 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4045 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4046 TARGET_HPUX. Revise comment.
4047 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4048 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4049 Use sr4 variant of `be' instruction when not generating PIC code.
4050 (attr_length_call): Adjust for above change.
4052 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4054 * ipa-reference.c (static_execute): Remove module_statics_const and
4055 associated setting code.
4057 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4060 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4061 predicate for operand 1.
4062 (paritysi2_cmp): Use register_operand predicate for operand 2.
4063 Use earlyclobber modifier for operand 1. Remove support for
4065 (paritydi2_cmp): Use register_operand predicate for operand 3.
4066 Use earlyclobber modifier for operand 1. Remove support for
4069 2008-03-11 Paul Brook <paul@codesourcery.com>
4070 Vladimir Prus <vladimir@codesourcery.com>
4072 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4073 (arm_compute_save_reg0_reg12_mask): Always
4074 check if register 11 must be saved. Always safe hard frame pointer
4075 when frame_pointer_needeed.
4076 (arm_compute_save_reg_mask): Save IP and PC
4077 only with apcs frames.
4078 (arm_output_epilogue): Adjust Thumb2 codepath to
4079 be also invoked and work for ARM non-apcs frames.
4080 (arm_expand_prologue): Don't bother saving IP
4081 for non-apcs frame, since it's not clobbered by
4082 prologue code. Implement non-apcs frame
4085 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4087 PR rtl-optimization/35281
4088 * expr.c (convert_move): Use a new pseudo for the intermediate
4089 from_mode->word_mode result.
4091 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4093 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4094 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4095 * toplev.c (compile_file): Don't call it.
4097 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4100 * expr.c (store_expr): Call emit_block_move if the mode
4101 of "temp" RTX is BLKmode.
4103 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4104 Richard Guenther <rguenther@suse.de>
4106 PR tree-optimization/31358
4107 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4108 the step with a NULL_TREE.
4109 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4110 to sizetype if type is a pointer type.
4111 (add_candidate_1): Don't convert the base and step to
4112 the generic type if the orginal type is a pointer type.
4113 (add_iv_value_candidates): Use sizetype for the step
4114 if type is a pointer type.
4115 (cand_value_at): Likewise.
4116 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4118 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4119 Don't convert the tem affine to the type.
4120 (add_elt_to_tree): Use sizetype for the step if a pointer.
4121 Use POINTER_PLUS_EXPR for pointers.
4122 (aff_combination_to_tree): Use sizetype for the step if a
4125 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
4127 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4128 Remove commutativity hint.
4130 2008-03-10 Jakub Jelinek <jakub@redhat.com>
4134 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4135 errorneous type. Check that v is a VAR_DECL.
4138 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4140 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
4142 PR tree-optimization/35494
4143 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4144 may be overriden at link and run time.
4146 2008-03-10 Richard Guenther <rguenther@suse.de>
4148 PR tree-optimization/34677
4149 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4150 (poolify_tree): Likewise.
4151 (modify_expr_template): Likewise.
4152 (poolify_modify_stmt): Likewise.
4153 (insert_fake_stores): Handle all component-ref style stores
4154 in addition to INDIRECT_REF. Also handle complex types.
4155 Do not poolify the inserted load.
4156 (realify_fake_stores): Do not rebuild the tree but only
4157 make it a SSA_NAME copy.
4158 (init_pre): Remove initialzation of modify_expr_template.
4159 Do not allocate modify_expr_node_pool.
4160 (fini_pre): Do not free modify_expr_node_pool.
4162 2008-03-10 Paul Brook <paul@codesourcery.com>
4164 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4167 2008-03-10 Paul Brook <paul@codesourcery.com>
4168 Mark Shinwell <shinwell@codesourcery.com>
4170 * config/arm/cortex-r4.md: New.
4171 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4173 * config/arm/arm.md: Include cortex-r4.md.
4174 (insn): Add smmls, sdiv and udiv values.
4175 (generic_sched): Don't use generic scheduling for Cortex-R4.
4176 (arm_issue_rate): New function.
4177 (TARGET_SCHED_ISSUE_RATE): Define.
4179 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
4181 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4183 2008-03-10 Richard Guenther <rguenther@suse.de>
4185 * tree-ssa-pre.c (get_sccvn_value): Simplify.
4186 (compute_avail): Do not add stmt uses to AVAIL_OUT.
4188 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
4190 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4191 Set default to true.
4193 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4195 * c.opt (Wsynth): Deprecate.
4196 * doc/invoke.texi (Option Summary, Warning Options): Document
4197 -Wno-format-contains-nul.
4199 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
4202 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4203 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4205 2008-03-09 Ira Rosen <irar@il.ibm.com>
4207 * config/rs6000/rs6000.c (builtin_description): Rename vector
4208 left shift operations.
4209 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4210 (altivec_vsl<VI_char>): Rename to ...
4211 (ashl<mode>3): ... new name.
4212 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4214 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4216 2008-03-08 Richard Guenther <rguenther@suse.de>
4218 * coverage.h (tree_coverage_counter_addr): Declare.
4219 * coverage.c (tree_coverage_counter_addr): New function.
4220 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4222 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4223 (tree_gen_one_value_profiler): Likewise.
4224 (tree_gen_ic_profiler): Likewise.
4225 (tree_gen_average_profiler): Likewise.
4226 (tree_gen_ior_profiler): Likewise.
4228 2008-03-08 Richard Guenther <rguenther@suse.de>
4230 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4231 (vn_binary_op_insert): Likewise.
4232 (vn_unary_op_lookup): Likewise.
4233 (vn_unary_op_insert): Likewise.
4234 (vn_nary_op_lookup): Declare.
4235 (vn_nary_op_insert): Likewise.
4236 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4237 and binary hashes, use a single obstack for unary_op_pool
4239 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4240 a single struct vn_nary_op_s. Store tree code length and
4241 a variable number of operands.
4242 (struct vn_reference_op_struct): Remove unused op2.
4243 (vn_reference_op_eq): Do not compare op2.
4244 (vn_reference_op_compute_hash): Do not compute hash of op2.
4245 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4246 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4247 with vn_nary_op_compute_hash.
4248 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4249 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4251 (vn_unary_op_insert, vn_binary_op_insert): Replace with
4253 (visit_unary_op): Call nary functions.
4254 (visit_binary_op): Likewise.
4255 (process_scc): Adjust for struct vn_tables_s changes.
4256 (allocate_vn_table): Likewise.
4257 (free_vn_table): Likewise.
4258 * tree-vn.c (vn_add): Call nary functions.
4259 (vn_lookup): Likewise.
4261 2008-03-08 Jakub Jelinek <jakub@redhat.com>
4264 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4265 wdst back after sync_compare_and_swapqhi_internal.
4267 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
4270 * config/i386/i386-modes.def (V1DI): New vector mode.
4271 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4272 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4273 (MMXMODE248): Ditto.
4274 (MMXMODE): Add V1DI mode.
4275 (mmxvecsize): Change DI mode to V1DI mode.
4276 ("mov<mode>): Use MMXMODEI8 mode iterator.
4277 ("*mov<mode>_internal_rex64"): Ditto.
4278 ("*mov<mode>_internal"): Ditto.
4279 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
4280 ("mmx_sub<mode>3"): Ditto.
4281 ("mmx_adddi3"): Remove insn pattern.
4282 ("mmx_subdi3"): Ditto.
4283 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4284 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4285 ("mmx_ashl<mode>3"): Ditto.
4286 ("mmx_lshrdi3"): Remove insn pattern.
4287 ("mmx_ashldi3"): Ditto.
4288 * config/i386/i386.c (classify_argument): Handle V1DImode.
4289 (function_arg_advance_32): Ditto.
4290 (function_arg_32): Ditto.
4291 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4292 mmx_addv1di3 insn pattern.
4293 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4294 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4295 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4296 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4297 Remove definitions of built-in functions.
4298 (V1DI_type_node): New node.
4299 (v1di_ftype_v1di_int): Ditto.
4300 (v1di_ftype_v1di_v1di): Ditto.
4301 (v2si_ftype_v2si_si): Ditto.
4302 (v4hi_ftype_v4hi_di): Remove node.
4303 (v2si_ftype_v2si_di): Ditto.
4304 (ix86_init_mmx_sse_builtins): Handle V1DImode.
4305 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4306 Redefine builtins using def_builtin_const with *_ftype_*_int node.
4307 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4308 Add new builtins using def_builtin_const.
4309 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4310 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4311 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4312 * config/i386/mmintrin.h (__v1di): New typedef.
4313 (_mm_add_si64): Cast arguments to __v1di type.
4314 (_mm_sub_si64): Ditto.
4315 (_mm_sll_pi16): Cast __count to __v4hi type.
4316 (_mm_sll_pi32): Cast __count to __v2si type.
4317 (_mm_sll_si64): Cast arguments to __v1di type.
4318 (_mm_srl_pi16): Cast __count to __v4hi type.
4319 (_mm_srl_pi32): Cast __count to __v2si type.
4320 (_mm_srl_si64): Cast arguments to __v1di type.
4321 (_mm_sra_pi16): Cast __count to __v4hi type.
4322 (_mm_sra_pi32): Cast __count to __v2si type.
4323 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4324 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4325 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4326 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4327 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4328 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4329 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4330 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4331 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4332 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4333 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4334 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4336 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4338 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4340 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4343 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4344 reg+const addressing for Altivec modes. Don't generate reg+reg
4345 addressing for TFmode or TDmode quantities.
4347 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4349 * c-common.c (vector_types_convertible_p): Call langhook
4350 instead of comptypes.
4352 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4355 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4356 integral and scalar float variables which have a
4359 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4361 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4362 dwarf_register_span hook when emitting unwind information for
4363 register-to-memory saves.
4364 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4365 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4367 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4369 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4370 for the same VAR_DECL.
4372 2008-03-06 Tom Tromey <tromey@redhat.com>
4375 * doc/standards.texi (Standards): Don't mention treelang.
4376 * doc/invoke.texi (Overall Options): Don't mention treelang.
4377 * doc/install.texi (Prerequisites): Don't mention bison or
4379 (Configuration): Don't mention treelang.
4380 (Building): Likewise.
4381 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4383 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4385 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4386 word-extractions out of a multi-word object.
4388 2008-03-06 Richard Guenther <rguenther@suse.de>
4390 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4391 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4392 result type and precision.
4393 * expr.c (get_inner_reference): Set unsignedp based on the result
4394 type of BIT_FIELD_REF.
4395 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4396 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4397 (try_instantiate_multiple_fields): Likewise. Use the correct type
4399 (sra_build_assignment): Likewise.
4400 (sra_build_elt_assignment): Likewise.
4401 (sra_explode_bitfield_assignment): Likewise.
4402 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4403 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4404 set BIT_FIELD_REF_UNSIGNED.
4405 (vectorizable_load): Likewise.
4407 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4409 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4412 2008-03-06 Richard Guenther <rguenther@suse.de>
4414 * alias.c (struct alias_set_entry): Move has_zero_child field
4415 to pack with alias_set.
4417 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4419 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4422 2008-03-05 Ian Lance Taylor <iant@google.com>
4424 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4426 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4428 * fwprop.c (update_df): Support width and offset parameters of
4430 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4431 global_conflicts): Change DF_REF_EXTRACT to either
4432 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4433 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4434 * df-scan.c (df_ref_record, df_defs_record,
4435 df_ref_create_structure, df_def_record_1, df_uses_record,
4436 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4437 df_bb_refs_collect, df_entry_block_defs_collect,
4438 df_exit_block_uses_collect): Support new width and offset fields.
4439 (ref_extract_pool): New storage pool.
4440 (df_free_ref): New function.
4441 (df_reg_chain_unlink, df_free_collection_rec,
4442 df_sort_and_compress_refs): Call df_free_ref.
4443 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4445 (df_ref_create_structure): Allocate df_ref_extract if offset and
4446 width fields are used.
4447 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4448 (df_uses_record): Get offset and width from ZERO_EXTRACT
4450 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4451 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4452 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4453 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4454 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4455 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4456 (df_ref_extract): New structure.
4457 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4458 (df_ref_create): Add width and offset parameters.
4460 2008-03-05 Richard Guenther <rguenther@suse.de>
4462 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4463 Use ranges_overlap_p.
4464 (offset_overlaps_with_access): Rename
4465 to ranges_overlap_p and move ...
4466 * tree-flow-inline.h (ranges_overlap_p): ... here.
4468 * tree.h (get_inner_reference, handled_component_p): Update
4471 * tree.h (record_component_aliases, get_alias_set,
4472 alias_sets_conflict_p, alias_sets_must_conflict_p,
4473 objects_must_conflict_p): Move declarations ...
4474 * alias.h (record_component_aliases, get_alias_set,
4475 alias_sets_conflict_p, alias_sets_must_conflict_p,
4476 objects_must_conflict_p): ... here.
4477 Include coretypes.h.
4478 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4480 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4482 * cfg.c: Include tree-flow.h.
4483 (remove_edge_raw): Call redirect_edge_var_map_clear.
4484 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4485 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4486 (redirect_edge_var_map_result): New.
4487 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4488 PENDING_STMT use with redirect_edge_var_map_*.
4489 * tree-ssa.c (edge_var_maps): New definition.
4490 (redirect_edge_var_map_add): New.
4491 (redirect_edge_var_map_clear): New.
4492 (redirect_edge_var_map_dup): New.
4493 (redirect_edge_var_map_vector): New.
4494 (redirect_edge_var_map_destroy): New.
4495 (ssa_redirect_edge): Replace PENDING_STMT use with
4496 redirect_edge_var_map_*.
4497 (flush_pending_stmts): Same.
4498 (delete_tree_ssa): Destroy edge var map.
4499 * tree-flow.h (struct _edge_var_map): New.
4500 Define edge_var_map vector type.
4501 Declare redirect_edge_var_map_* prototypes.
4502 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4503 * tree-cfg.c (reinstall_phi_args): Replace
4504 PENDING_STMT use with redirect_edge_var_map_*.
4506 2008-03-05 Richard Guenther <rguenther@suse.de>
4508 PR tree-optimization/35472
4509 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4510 whose single use_stmt has a overlapping set of loaded and
4511 stored symbols as that use_stmt might be a noop assignment then.
4513 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4515 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4517 2008-03-05 Richard Guenther <rguenther@suse.de>
4520 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4521 should be constants.
4522 * tree-cfg.c (verify_expr): Verify it.
4523 * fold-const.c (fold_truthop): Remove code generating
4524 BIT_FIELD_REFs of structure bases.
4525 (fold_binary): Likewise.
4526 (fold_ternary): Position and size of BIT_FIELD_REFs are
4527 always host integers.
4528 (make_bit_field_ref): Remove.
4529 (optimize_bit_field_compare): Remove.
4530 (all_ones_mask_p): Remove.
4532 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
4535 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4536 (split_block_and_df_analyze): New. Split basic block and rebuild
4538 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4540 (split_pattern_seq): Likewise.
4541 (erase_matching_seqs): Likewise.
4542 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4544 2008-03-04 Geoff Keating <geoffk@apple.com>
4546 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4547 declaration and code.
4548 (tree_invalid_nonnegative_warnv_p): Likewise.
4550 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4552 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4553 examples. Truncate option-names then causing overfull hbox.
4555 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4558 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4560 * configure: Rebuilt.
4562 2008-03-04 Rafael Espindola <espindola@google.com>
4564 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4565 (tree_unary_nonnegative_warnv_p): New.
4566 (tree_binary_nonnegative_warnv_p): New.
4567 (tree_single_nonnegative_warnv_p): New.
4568 (tree_invalid_nonnegative_warnv_p): New.
4569 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4571 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4574 * opts.c (handle_option): Postpone 'unknown option' errors only for
4577 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
4580 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4583 2008-03-04 Rafael Espindola <espindola@google.com>
4585 * fold-const.c (tree_unary_nonzero_warnv_p): New.
4586 (tree_binary_nonzero_warnv_p): New.
4587 (tree_single_nonzero_warnv_p): New.
4588 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4590 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
4593 * fold-const.c (fold_cond_expr_with_comparison): Prevent
4594 transformations for modes that have signed zeros.
4595 * ifcvt.c (noce_try_abs): Ditto.
4597 2008-03-04 Joseph Myers <joseph@codesourcery.com>
4599 * config/i386/i386.c (override_options): Force
4600 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
4602 2008-03-04 Jan Hubicka <jh@suse.cz>
4605 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
4608 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4610 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
4611 label to probe the stack.
4613 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4615 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
4616 (__gthr_win32_mutex_destroy): Declare.
4617 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
4618 __gthr_win32_mutex_destroy.
4619 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
4621 2008-03-03 Jan Hubicka <jh@suse.cz>
4624 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
4625 aggressive on inlining cold calls.
4627 2008-03-03 Richard Guenther <rguenther@suse.de>
4629 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
4630 struct copies into the expression table.
4631 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
4632 (try_to_simplify): Likewise.
4633 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
4634 integral and pointer arguments which do not change the
4635 precision to NOP_EXPRs.
4636 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
4637 VIEW_CONVERT_EXPR case.
4639 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
4641 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4642 defined in a loop at depth 0 is invariant.
4643 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4644 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4645 be called at loop depth 0.
4647 2008-03-02 Jakub Jelinek <jakub@redhat.com>
4650 * gcc.c (process_command): Update copyright notice dates.
4651 * gcov.c (print_version): Likewise.
4652 * gcov-dump.c (print_version): Likewise.
4653 * mips-tfile.c (main): Likewise.
4654 * mips-tdump.c (main): Likewise.
4656 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4659 * c-common.c (flag_permissive): Delete.
4660 (constant_expression_warnings): Check flags first.
4661 (constant_expression_error): New.
4662 * c-common.h (flag_permissive): Delete.
4663 (constant_expression_error): Declare.
4664 * flags.h (flag_permissive): Declare. Update description.
4665 * diagnostic.c (pedwarn): Update.
4667 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4668 (permissive_error_kind): New.
4669 * toplev.c (flag_permissive): Define. Update description.
4670 * toplev.h (permissive_error_kind): Declare.
4671 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4672 (pedwarn_c90): Use pedantic_warning_kind.
4673 * c-opts.c (c_common_post_options): flag_permissive does not affect
4674 flag_pedantic_errors.
4676 2008-03-02 Joseph Myers <joseph@codesourcery.com>
4678 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4679 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4680 __absvsi2, __absvDI2): Use unsigned arithmetic.
4682 2008-03-02 Andi Kleen <ak@suse.de>
4683 Richard Guenther <rguenther@suse.de>
4685 * struct-equiv.c: Remove file.
4686 * cfg_cleanup.c (condjump_equiv_p): Remove.
4687 * Makefile.in (OBJS-common): Remove struct-equiv.o.
4688 (struct-equiv.o): Remove rule.
4689 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4690 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
4691 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4693 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4695 * ifcvt.c (noce_process_if_block): Try to handle only the then
4696 block if the else block exists but isn't suitable.
4698 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4701 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4702 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4703 regression from previous patch.
4705 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4708 * gthr.h: Add __gthread_mutex_destroy as a function that must be
4710 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4711 * gthr-single.h (__gthread_mutex_destroy): Likewise.
4712 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4713 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4714 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4715 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4716 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4717 (__gthread_mutex_destroy_function): Rename to
4718 __gthread_mutex_destroy.
4719 * gthr-dce.h (__gthread_mutex_destroy): Call
4720 pthread_mutex_destroy.
4721 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4722 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4723 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4725 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4727 * df-scan.c (df_ref_chain_change_bb): Simplify.
4728 (df_insn_change_bb): Add new_bb argument. Simplify. Call
4729 set_block_for_insn if there's any change.
4730 * df.h ((df_insn_change_bb): Fix prototype.
4731 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4732 df_insn_change_bb, don't call set_block_for_insn.
4733 * emit-rtl.c (reorder_insns): Likewise.
4734 * haifa-sched.c (move_insn): Likewise.
4736 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4738 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4740 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4742 * tree-flow-inline.h (next_readonly_imm_use): Return
4743 NULL_USE_OPERAND_P after the end.
4745 2008-03-01 Richard Guenther <rguenther@suse.de>
4747 PR tree-optimization/35411
4748 * tree-sra.c (sra_build_assignment): Split conversion to
4749 final type to a separate statement if we are not assigning
4752 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4754 * fold-const.c (fold_convertible_p): Correct the logic to follow
4755 that in fold_convert().
4757 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
4760 * tree-inline.c (build_duplicate_type): When we make a
4761 duplicate type, make it unique in the canonical types system.
4763 2008-02-29 Tom Tromey <tromey@redhat.com>
4765 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4766 input_file_stack_history, input_file_stack_restored): Remove.
4767 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4768 * input.h (struct file_stack): Remove.
4769 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4770 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4772 * diagnostic.h (struct diagnostic_context) <last_module>: Change
4774 (diagnostic_last_module_changed): Add 'map' argument.
4775 (diagnostic_set_last_function): Likewise.
4776 * diagnostic.c (undiagnostic_report_current_module): Iterate using
4777 line map, not input_file_stack.
4778 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4780 2008-02-29 Paul Brook <paul@codesourcery.com>
4782 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4784 2008-02-29 Paul Brook <paul@codesourcery.com>
4786 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4788 2008-02-29 Richard Guenther <rguenther@suse.de>
4790 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4792 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4793 value for comparing for a store match.
4794 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4795 (try_to_simplify): Do not do a full-blown reference lookup.
4797 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4799 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4800 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4802 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4804 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4806 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4807 strides against cache sizes.
4809 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4811 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4814 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4816 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4817 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4818 is smaller than the original promoted value.
4819 (simplify_subreg): If OP is a SUBREG, try to preserve its
4820 SUBREG_PROMOTED_VAR_P information.
4822 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4824 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4825 (VN_INFO_GET): Allocate new objects on the obstack.
4826 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4827 for rpo_numbers_temp, for consistency.
4828 (free_scc_vn): Free the obstack.
4830 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4832 * doc/invoke.texi: Document -ftree-loop-distribution.
4833 * tree-loop-distribution.c: New.
4834 * tree-pass.h (pass_loop_distribution): New.
4835 * graphds.h (struct graph): Add htab_t indices.
4836 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4837 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4838 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4839 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4840 * tree-data-ref.c (debug_data_dependence_relations): New.
4841 (dump_data_dependence_relation): Also print data references.
4842 (free_data_ref): Extern.
4843 (same_access_functions): Moved...
4844 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4845 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4846 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4847 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4848 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4849 (stmts_from_loop): Skip LABEL_EXPR.
4850 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4852 (build_rdg): Initialize rdg->indices htab.
4853 (free_rdg, stores_from_loop, ref_base_address,
4854 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4855 have_similar_memory_accesses_1, ref_base_address_1,
4856 remove_similar_memory_refs): New.
4857 * tree-data-ref.h: Depend on tree-chrec.h.
4858 (debug_data_dependence_relations, free_data_ref): Declared.
4859 (same_access_functions): ... here.
4860 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4862 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4863 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4864 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4865 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4866 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4867 rdg_vertex_for_stmt): Declared.
4868 (struct rdg_edge): Add level.
4870 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4871 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4873 (rdg_has_similar_memory_accesses): New.
4874 * tree-vect-analyze.c: Remove unused static decls.
4875 * lambda.h (dependence_level): New.
4876 * common.opt (ftree-loop-distribution): New.
4877 * tree-flow.h (mark_virtual_ops_in_bb,
4878 slpeel_tree_duplicate_loop_to_edge_cfg,
4879 rename_variables_in_loop): Declared.
4880 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4881 (OBJS-common): Add tree-loop-distribution.o.
4882 (tree-loop-distribution.o): New rule.
4883 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4884 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4885 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4887 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4890 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4891 other than structures and unions.
4893 2008-02-28 Richard Guenther <rguenther@suse.de>
4896 2008-02-26 Richard Guenther <rguenther@suse.de>
4898 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4899 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4900 (lookup_decl_from_uid): Declare.
4901 (remove_decl_from_map): Likewise.
4902 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4903 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4904 (decl_for_uid_map): New global hashtable mapping DECL_UID
4906 (init_ttree): Allocate it.
4907 (insert_decl_to_uid_decl_map): New helper function.
4908 (make_node_stat): Insert new decls into the map.
4909 (copy_node_stat): Likewise.
4910 (lookup_decl_from_uid): New function.
4911 (remove_decl_from_map): Likewise.
4912 (print_decl_for_uid_map_statistics): New helper.
4913 (dump_tree_statistics): Call it.
4915 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4916 (referenced_var_iterator): Adjust.
4917 (FOR_EACH_REFERENCED_VAR): Adjust.
4918 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4919 (num_referenced_vars): Adjust.
4920 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4921 (first_referenced_var): Remove.
4922 (end_referenced_vars_p): Likewise.
4923 (next_referenced_var): Likewise.
4924 (referenced_var_iterator_set): New helper function.
4925 * tree-dfa.c (referenced_var_lookup): Adjust.
4926 (referenced_var_check_and_insert): Likewise.
4927 (remove_referenced_var): Likewise.
4928 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4929 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4930 (verify_call_clobbering): Likewise.
4931 (verify_memory_partitions): Likewise.
4932 (init_tree_ssa): Allocate bitmap instead of hashtable for
4934 (delete_tree_ssa): Adjust.
4935 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4936 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4937 (compute_tag_properties): Likewise.
4938 (set_initial_properties): Likewise.
4939 (find_partition_for): Likewise.
4940 (update_reference_counts): Likewise.
4941 (dump_may_aliases_for): Likewise.
4942 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4943 (add_call_clobber_ops): Likewise.
4944 (add_call_read_ops): Likewise.
4945 (get_asm_expr_operands): Likewise.
4946 * tree-into-ssa.c (dump_decl_set): Likewise.
4947 (update_ssa): Likewise.
4948 * tree-sra.c (scan_function): Likewise.
4949 (decide_instantiations): Likewise.
4950 (scalarize_parms): Likewise.
4951 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4952 (dsa_named_for): Likewise.
4953 * tree-ssa-structalias.c (update_alias_info): Likewise.
4954 (merge_smts_into): Likewise.
4956 2008-02-27 David Daney <ddaney@avtrex.com>
4959 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
4960 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
4961 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
4962 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
4963 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
4965 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
4968 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
4969 (BUILT_IN_NEXTTOWARD): Remove.
4970 (BUILT_IN_NEXTTOWARDF): Ditto.
4971 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
4972 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
4974 2008-02-27 Tom Tromey <tromey@redhat.com>
4976 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
4977 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
4979 2008-02-27 Jan Beulich <jbeulich@novell.com>
4981 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
4982 update the respective field on newdecl.
4984 2008-02-27 Revital Eres <eres@il.ibm.com>
4986 PR rtl-optimization/34999
4987 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
4988 crossing edges that ends with a call insn.
4989 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
4990 call insn and clear the EDGE_CROSSING flag of the crossing edge
4991 when fixing fallthru edges.
4993 2008-02-27 Richard Guenther <rguenther@suse.de>
4996 * fold-const.c (fold_unary): Return the correct argument,
4997 converted to the result type.
4999 2008-02-27 Richard Guenther <rguenther@suse.de>
5002 * expr.c (expand_expr_real_1): Assert on rotates that operate
5004 * fold-const.c (fold_binary): Use the types precision, not the
5005 bitsize of the mode if folding rotate expressions. Build rotates
5006 only for full modes.
5008 2008-02-27 Jakub Jelinek <jakub@redhat.com>
5010 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5012 * c-pragma.c (pragma_ns_name): New typedef.
5013 (registered_pp_pragmas): New variable.
5014 (c_pp_lookup_pragma): New function.
5015 (c_register_pragma_1): If flag_preprocess_only, do nothing
5016 for non-expanded pragmas, for expanded ones push pragma's
5017 namespace and name into registered_pp_pragmas vector.
5018 (c_invoke_pragma_handler): Register OpenMP pragmas even when
5019 flag_preprocess_only, don't register GCC pch_preprocess
5020 pragma if flag_preprocess_only.
5021 * c-opts.c (c_common_init): Call init_pragma even if
5022 flag_preprocess_only.
5023 * c-pragma.c (c_pp_lookup_pragma): New prototype.
5024 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5025 cpp_register_pragma if flag_preprocess_only.
5027 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5030 * c-parser.c (c_parser_translation_unit): Warn for empty
5031 translation unit, not empty source file.
5033 2008-02-26 Paul Brook <paul@codesourcery.com>
5035 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5036 operand for Thumb-2.
5037 * config/arm/arm.h (reg_class): Add CORE_REGS.
5038 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5039 (BASE_REG_CLASS): Use CORE_REGS.
5040 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5041 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5042 (REGNO_OK_FOR_INDEX_P): Exclude SP.
5043 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
5044 ARM_REGNO_OK_FOR_INDEX_P.
5045 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5046 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5047 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5048 (ldm/stm peepholes): Ditto.
5049 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5050 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5051 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5052 * config/arm/constraints.md: Enable "k" constraint on ARM.
5054 2008-02-27 Ben Elliston <bje@au.ibm.com>
5056 * config/rs6000/rs6000.c: Annotate cache line size field in all
5057 instances of struct processor_costs.
5059 2008-02-26 David Edelsohn <edelsohn@gnu.org>
5061 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5062 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5063 jump_bypass): New counters.
5064 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5065 * dce.c (gate_ud_dce): Same.
5066 (gate_fast_dce): Same.
5067 * dse.c (gate_dse1): New function.
5068 (gate_dse2): New function.
5069 (gate_dse): Merge results of new gate functions.
5070 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5071 (gate_handle_jump_bypass): Add dbg_cnt.
5072 (gate_handle_gcse): Add dbg_cnt.
5073 * ifcvt.c (gate_handle_if_conversion): Same.
5074 (gate_handle_if_after_combine): Same.
5075 (gate_handle_if_after_reload): Same.
5076 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5078 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
5080 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5082 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5084 2008-02-26 Jason Merrill <jason@redhat.com>
5087 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
5088 alone if it's the naming decl for the type's main variant.
5090 2008-02-26 Tom Tromey <tromey@redhat.com>
5092 * system.h (USE_MAPPED_LOCATION): Poison.
5093 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5094 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5095 (make_goto_expr_edges): Likewise.
5096 (remove_bb): Likewise.
5097 (execute_warn_function_return): Likewise.
5098 * basic-block.h (struct edge_def) <goto_locus>: Change type to
5100 * c-common.c (fname_decl): Remove old location code.
5101 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5103 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5105 (ASM_INPUT_SOURCE_LOCATION): Likewise.
5106 (gen_rtx_ASM_INPUT): Likewise.
5107 (gen_rtx_ASM_INPUT_loc): Likewise.
5108 (get_rtx_asm_OPERANDS): Remove.
5109 * cfglayout.c (insn_locators_alloc): Remove old location code.
5110 (set_curr_insn_source_location): Likewise.
5111 (curr_insn_locator): Likewise.
5112 * print-tree.c (print_node): Remove old location code.
5113 * tree-mudflap.c (mf_varname_tree): Remove old location code.
5114 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5115 * cfgexpand.c (expand_gimple_cond_expr): Don't use
5116 location_from_locus.
5117 (construct_exit_block): Remove old location code.
5118 * emit-rtl.c (force_next_line_note): Remove old location code.
5119 * profile.c (branch_prob): Remove old location code.
5120 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5121 LOC_LINE): Remove old-location variants.
5122 * langhooks.c (lhd_print_error_function): Remove old location
5124 * configure, config.in: Rebuilt.
5125 * configure.ac (--enable-mapped-location): Remove.
5126 * c-decl.c (c_init_decl_processing): Remove old location code.
5127 (finish_function): Likewise.
5128 * recog.c (decode_asm_operands): Remove old location code.
5129 * c-pch.c (c_common_read_pch): Remove old location code.
5130 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5132 * gimple-low.c (lower_function_body): Remove old location code.
5133 * toplev.c (unknown_location): Remove.
5134 (push_srcloc): Remove old-location variant.
5135 (process_options): Remove old location code.
5136 (lang_dependent_init): Likewise.
5137 * input.h (UNKNOWN_LOCATION): Move definition.
5138 (location_t): Undeprecate.
5139 (source_locus): Remove.
5140 (location_from_locus): Remove.
5141 (struct location_s): Remove.
5142 Remove all old-location code.
5143 (input_line, input_filename): Remove.
5144 * final.c (final_scan_insn): Remove old location code.
5145 * diagnostic.c (diagnostic_build_prefix): Remove
5146 USE_MAPPED_LOCATION test.
5147 * tree.h (gimple_stmt) <locus>: Now a location_t.
5148 (tree_exp) <locus>: Likewise.
5149 (DECL_IS_BUILTIN): Remove old-location variant.
5150 (annotate_with_file_line, annotate_with_locus): Likewise.
5151 (expr_locus, set_expr_locus): Update.
5152 * tree.c (build1_stat): Remove old location code.
5153 (last_annotated_node): Remove.
5154 (annotate_with_file_line): Remove old-location variant.
5155 (annotate_with_locus): Likewise.
5156 (expr_location): Remove old location code.
5157 (set_expr_location): Likewise.
5158 (expr_has_location): Likewise.
5159 (expr_locus): Likewise.
5160 (set_expr_locus): Likewise.
5161 (expr_filename): Don't use location_from_locus.
5162 (expr_lineno): Likewise.
5163 * rtl-error.c (location_for_asm): Remove old location code.
5164 * c-lex.c (cb_line_change): Remove old location code.
5165 (fe_file_change): Likewise.
5166 (cb_def_pragma): Likewise.
5167 (c_lex_with_flags): Likewise.
5168 * gengtype.c (do_typedef): Don't special-case location types.
5169 (define_location_structures): Remove.
5170 (main): Don't call define_location_structures.
5171 * tree-pretty-print.c (dump_implicit_edges): Remove old location
5174 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5177 * builtins.def (BUILT_IN_STDARG_START): Remove.
5178 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5179 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5180 * tree-inline.c (inline_forbidden_p_1): Likewise.
5182 2008-02-26 Richard Guenther <rguenther@suse.de>
5184 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5185 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5186 (lookup_decl_from_uid): Declare.
5187 (remove_decl_from_map): Likewise.
5188 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5189 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5190 (decl_for_uid_map): New global hashtable mapping DECL_UID
5192 (init_ttree): Allocate it.
5193 (insert_decl_to_uid_decl_map): New helper function.
5194 (make_node_stat): Insert new decls into the map.
5195 (copy_node_stat): Likewise.
5196 (lookup_decl_from_uid): New function.
5197 (remove_decl_from_map): Likewise.
5198 (print_decl_for_uid_map_statistics): New helper.
5199 (dump_tree_statistics): Call it.
5201 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5202 (referenced_var_iterator): Adjust.
5203 (FOR_EACH_REFERENCED_VAR): Adjust.
5204 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5205 (num_referenced_vars): Adjust.
5206 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5207 (first_referenced_var): Remove.
5208 (end_referenced_vars_p): Likewise.
5209 (next_referenced_var): Likewise.
5210 (referenced_var_iterator_set): New helper function.
5211 * tree-dfa.c (referenced_var_lookup): Adjust.
5212 (referenced_var_check_and_insert): Likewise.
5213 (remove_referenced_var): Likewise.
5214 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5215 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5216 (verify_call_clobbering): Likewise.
5217 (verify_memory_partitions): Likewise.
5218 (init_tree_ssa): Allocate bitmap instead of hashtable for
5220 (delete_tree_ssa): Adjust.
5221 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5222 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5223 (compute_tag_properties): Likewise.
5224 (set_initial_properties): Likewise.
5225 (find_partition_for): Likewise.
5226 (update_reference_counts): Likewise.
5227 (dump_may_aliases_for): Likewise.
5228 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5229 (add_call_clobber_ops): Likewise.
5230 (add_call_read_ops): Likewise.
5231 (get_asm_expr_operands): Likewise.
5232 * tree-into-ssa.c (dump_decl_set): Likewise.
5233 (update_ssa): Likewise.
5234 * tree-sra.c (scan_function): Likewise.
5235 (decide_instantiations): Likewise.
5236 (scalarize_parms): Likewise.
5237 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5238 (dsa_named_for): Likewise.
5239 * tree-ssa-structalias.c (update_alias_info): Likewise.
5240 (merge_smts_into): Likewise.
5242 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5245 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5246 * c-opts.c (c_common_handle_option): Wall enables
5247 Wvolatile-register-var.
5248 * common.opt: Move Wvolatile-register-var to...
5251 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5253 * common.opt (Wlarger-than=): New.
5254 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5256 * opts.c (common_handle_option): Handle -Wlarger-than=.
5257 * optc-gen.awk: Likewise.
5258 * opth-gen.awk: Likewise.
5259 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5260 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5262 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5264 * c-common.c (match_case_to_enum_1): Add appropriate
5265 OPT_W* parameter to warning.
5266 (c_do_switch_warnings): Likewise.
5267 * c-typeck.c (warning_init): Add one more parameter following
5269 (push_init_level): Update call to warning_init.
5270 (pop_init_level): Likewise.
5271 (add_pending_init): Likewise.
5272 (output_init_element: Likewise.
5274 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5277 * toplev.c (toplev_main): If there are warnings or error, print
5278 errors for ignored options.
5279 * opts.c (ignored_options): New static variable.
5280 (postpone_unknown_option_error): New.
5281 (print_ignored_options): New.
5282 (handle_option): Postpone errors for unknown -Wno-* options.
5283 * opts.h (print_ignored_options): Declare.
5285 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
5287 * config/mips/mips.md (loadgp_blockage, blockage): Change type
5290 2008-02-25 Richard Guenther <rguenther@suse.de>
5293 2008-02-25 Richard Guenther <rguenther@suse.de>
5295 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5296 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5297 (lookup_decl_from_uid): Declare.
5298 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5299 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5300 (decl_for_uid_map): New global hashtable mapping DECL_UID
5302 (init_ttree): Allocate it.
5303 (insert_decl_to_uid_decl_map): New helper function.
5304 (make_node_stat): Insert new decls into the map.
5305 (copy_node_stat): Likewise.
5306 (lookup_decl_from_uid): New function.
5307 (print_decl_for_uid_map_statistics): New helper.
5308 (dump_tree_statistics): Call it.
5310 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5311 (referenced_var_iterator): Adjust.
5312 (FOR_EACH_REFERENCED_VAR): Adjust.
5313 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5314 (num_referenced_vars): Adjust.
5315 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5316 (first_referenced_var): Remove.
5317 (end_referenced_vars_p): Likewise.
5318 (next_referenced_var): Likewise.
5319 (referenced_var_iterator_set): New helper function.
5320 * tree-dfa.c (referenced_var_lookup): Adjust.
5321 (referenced_var_check_and_insert): Likewise.
5322 (remove_referenced_var): Likewise.
5323 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5324 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5325 (verify_call_clobbering): Likewise.
5326 (verify_memory_partitions): Likewise.
5327 (init_tree_ssa): Allocate bitmap instead of hashtable for
5329 (delete_tree_ssa): Adjust.
5330 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5331 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5332 (compute_tag_properties): Likewise.
5333 (set_initial_properties): Likewise.
5334 (find_partition_for): Likewise.
5335 (update_reference_counts): Likewise.
5336 (dump_may_aliases_for): Likewise.
5337 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5338 (add_call_clobber_ops): Likewise.
5339 (add_call_read_ops): Likewise.
5340 (get_asm_expr_operands): Likewise.
5341 * tree-into-ssa.c (dump_decl_set): Likewise.
5342 (update_ssa): Likewise.
5343 * tree-sra.c (scan_function): Likewise.
5344 (decide_instantiations): Likewise.
5345 (scalarize_parms): Likewise.
5346 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5347 (dsa_named_for): Likewise.
5348 * tree-ssa-structalias.c (update_alias_info): Likewise.
5349 (merge_smts_into): Likewise.
5351 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5354 * doc/invoke.texi (-fcx-limited-range): Document new option.
5355 * toplev.c (process_options): Handle -fcx-fortran-rules.
5356 * common.opt: Add documentation for -fcx-fortran-rules.
5358 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5361 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5362 actual behaviour and C99.
5364 2008-02-26 Ben Elliston <bje@au.ibm.com>
5366 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5367 (ASM_CPU_POWER6_SPEC): Likewise.
5368 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5369 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5370 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5372 2008-02-25 Richard Guenther <rguenther@suse.de>
5374 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5375 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5376 (lookup_decl_from_uid): Declare.
5377 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5378 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5379 (decl_for_uid_map): New global hashtable mapping DECL_UID
5381 (init_ttree): Allocate it.
5382 (insert_decl_to_uid_decl_map): New helper function.
5383 (make_node_stat): Insert new decls into the map.
5384 (copy_node_stat): Likewise.
5385 (lookup_decl_from_uid): New function.
5386 (print_decl_for_uid_map_statistics): New helper.
5387 (dump_tree_statistics): Call it.
5389 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5390 (referenced_var_iterator): Adjust.
5391 (FOR_EACH_REFERENCED_VAR): Adjust.
5392 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5393 (num_referenced_vars): Adjust.
5394 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5395 (first_referenced_var): Remove.
5396 (end_referenced_vars_p): Likewise.
5397 (next_referenced_var): Likewise.
5398 (referenced_var_iterator_set): New helper function.
5399 * tree-dfa.c (referenced_var_lookup): Adjust.
5400 (referenced_var_check_and_insert): Likewise.
5401 (remove_referenced_var): Likewise.
5402 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5403 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5404 (verify_call_clobbering): Likewise.
5405 (verify_memory_partitions): Likewise.
5406 (init_tree_ssa): Allocate bitmap instead of hashtable for
5408 (delete_tree_ssa): Adjust.
5409 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5410 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5411 (compute_tag_properties): Likewise.
5412 (set_initial_properties): Likewise.
5413 (find_partition_for): Likewise.
5414 (update_reference_counts): Likewise.
5415 (dump_may_aliases_for): Likewise.
5416 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5417 (add_call_clobber_ops): Likewise.
5418 (add_call_read_ops): Likewise.
5419 (get_asm_expr_operands): Likewise.
5420 * tree-into-ssa.c (dump_decl_set): Likewise.
5421 (update_ssa): Likewise.
5422 * tree-sra.c (scan_function): Likewise.
5423 (decide_instantiations): Likewise.
5424 (scalarize_parms): Likewise.
5425 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5426 (dsa_named_for): Likewise.
5427 * tree-ssa-structalias.c (update_alias_info): Likewise.
5428 (merge_smts_into): Likewise.
5430 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5433 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5434 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5435 * alias.h (nonoverlapping_memrefs_p): Likewise.
5437 2008-02-25 Jan Beulich <jbeulich@novell.com>
5439 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5440 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5441 __emultls_get_address, __emultls_register_common,
5442 __floatundi?f, and _Unwind_GetIPInfo.
5443 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5444 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5445 (gen_regparm_prefix): Likewise.
5446 (i386_nlm_encode_section_info): Sync with
5447 config/i386/winnt.c:i386_pe_encode_section_info().
5448 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5449 i386_nlm_mangle_decl_assembler_name): New.
5450 (netware_override_options): New.
5451 * config/i386/netware.h (netware_override_options): Declare.
5452 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5453 (i386_nlm_mangle_decl_assembler_name): Declare.
5454 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5456 2008-02-25 Ben Elliston <bje@au.ibm.com>
5459 * c-decl.c (grokdeclarator): Remove unused local variables
5460 `typedef_type' and `type_as_written'.
5462 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5463 unused local variable `has_hot_blocks'.
5464 (fix_crossing_conditional_branches): Remove unused local variable
5467 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5470 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5471 using DEF_C99_BUILTIN.
5472 (BUILT_IN_NANF): Ditto.
5473 (BUILT_IN_NANL): Ditto.
5475 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5476 Revital Eres <eres@il.ibm.com>
5478 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5479 regarding the order of two dependent insns in the same row.
5481 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5483 * stor-layout.c (layout_decl): Do not bump the alignment of a
5484 bit-field to more than byte alignment if it is packed.
5486 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5488 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5491 2008-02-24 Diego Novillo <dnovillo@google.com>
5493 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5496 * tree-vrp.c (vrp_evaluate_conditional): With
5497 -Wtype-limits, emit a warning when comparing against a
5498 constant outside the natural range of OP0's type.
5499 * c.opt (Wtype-limits): Move ...
5500 * common.opt (Wtype-limits): ... here.
5502 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5504 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5505 * config/rs6000/e300c2c3.md: New file.
5506 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5508 (rs6000_override_options): Add e300c2 and e300c3 cases to
5509 processor_target_table. Do not allow usage of Altivec or Spe
5510 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5511 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5512 * config/rs6000/rs6000.h (processor_type): Add
5513 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5514 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5515 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5516 and ppce300c3. Include e300c2c3.md.
5518 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5520 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5521 instead of TARGET_STRICT_ALIGN.
5523 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5525 * explow.c (memory_address): Assert that the generated address is
5528 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5531 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5532 * config/darwin-ppc-ldouble-patch.def: New file.
5533 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5534 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5535 SUBTARGET_INIT_BUILTINS if defined.
5536 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5539 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5542 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5543 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5545 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5548 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5549 file" warning condtional on -Winvalid-PCH.
5551 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
5553 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5555 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
5559 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5560 prevent reload from using MMX registers.
5561 (*mov<mode>_internal): Ditto.
5562 (*movv2sf_internal_rex64): Ditto.
5563 (*movv2sf_internal): Ditto.
5565 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5567 PR documentation/31569
5568 * doc/install.texi2html: Use makeinfo --no-number-sections.
5570 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5572 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5573 ensure that we can address an entire entity > 8 bytes. Don't
5574 generate reg+reg addressing for such data.
5576 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5578 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5579 strings when optimizing for size, unless the target cares about
5582 2008-02-22 Tom Tromey <tromey@redhat.com>
5584 * regclass.c (current_pass): Remove declaration.
5586 2008-02-22 Anatoly Sokolov <aesok@post.ru>
5588 * config/avr/libgcc.S (__RAMPZ__): Define.
5589 (__do_copy_data): Add for devices with 128KB code memory.
5591 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5593 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5595 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5597 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
5599 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
5602 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5605 * c-typeck.c (build_binary_op): Warn about floating point
5606 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
5608 2008-02-21 Janis Johnson <janis187@us.ibm.com>
5611 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
5612 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
5614 (rs6000_override_options): Set altivec_abi as default, not override,
5615 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
5616 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
5617 is used; use new member spe_abi.
5618 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
5619 spe_abi and altivec_abi.
5621 2008-02-22 Tomas Bily <tbily@suse.cz>
5623 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
5625 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5628 * config.build (build_file_translate): Set to `CMD //c' only if
5630 * Makefile.in (build_file_translate): Improve comment.
5632 2008-02-21 Jan Hubicka <jh@suse.cz>
5634 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
5635 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
5636 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
5638 2008-02-21 Michael Matz <matz@suse.de>
5641 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
5643 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
5645 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
5646 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
5648 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
5649 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
5650 SSE_VEC_FLOAT_MODE_P as insn constraint.
5651 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
5652 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
5653 sse4a_movntdf using MODEF mode iterator.
5654 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
5655 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
5656 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
5657 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
5658 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
5659 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
5660 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
5662 2008-02-21 Richard Guenther <rguenther@suse.de>
5664 * tree.def (PAREN_EXPR): New tree code.
5665 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5667 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5668 * expr.c (expand_expr_real_1): Likewise.
5669 * tree-inline.c (estimate_num_insns_1): Likewise.
5670 * tree-complex.c (expand_complex_move): Likewise.
5671 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5674 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5677 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5679 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5682 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5684 * config/sh/sh.c (find_barrier): Don't go past
5685 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5687 2008-02-20 DJ Delorie <dj@redhat.com>
5689 * config/h8300/h8300.md (insv): Force source operand to be a register.
5691 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5692 as a jump, not as a plain insn.
5694 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
5696 * doc/invoke.texi (Warning Options): Add new option
5697 -Wframe-larger-than=.
5698 (-Wframe-larger-than): Document.
5700 * flags.h (warn_frame_larger_than, frame_larger_than_size):
5701 Add declarations for new option variables.
5703 * final.c (final_start_function): Check the frame size
5704 before emission and issue a Wframe-larger-than warning.
5706 * opts.c (warn_frame_larger_than, frame_larger_than_size):
5707 Add definitions for new option variables.
5708 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5710 * common.opt (Wframe-larger-than=): New option.
5712 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5714 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5715 (<sse>_div<mode>3): Ditto.
5716 (<sse>_vmdiv<mode>3): Ditto.
5717 (<sse>_vmsqrt<mode>2): Ditto.
5718 (*smax<mode>3): Ditto.
5719 (sse5_frcz<mode>2): Ditto.
5720 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
5723 2008-02-20 Richard Guenther <rguenther@suse.de>
5726 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5727 be happy with INTEGRAL_TYPE_P.
5729 2008-02-20 Richard Guenther <rguenther@suse.de>
5731 * fold-const.c (split_tree): Associate floatig-point expressions
5732 if flag_associative_math is set.
5734 2008-02-20 Richard Guenther <rguenther@suse.de>
5736 * tree.h (fold_real_zero_addition_p): Declare.
5737 * fold-const.c (fold_real_zero_addition_p): Export.
5738 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5739 floating-point operations with zero and one.
5741 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
5743 * doc/install.texi: Correct references to CFLAGS, replacing them
5744 with BOOT_CFLAGS. Document flags used during bootstrap for
5747 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5749 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5750 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5751 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5753 (smin<mode>3): Ditto from similar patterns.
5754 (smax<mode>3): Ditto.
5755 (*ieee_smin<mode>3): Ditto.
5756 (*ieee_smax<mode>3): Ditto.
5757 * config/i386/sse.md (sse): New mode attribute.
5758 (mov<mode>): Macroize expander from movv4sf and movv2df using
5759 SSEMODEF2P mode iterator.
5760 (<sse>_movnt<mode>): Ditto from similar patterns. Use
5761 SSE_VEC_FLOAT_MODE_P as insn constraint.
5762 (storent<mode>): Ditto.
5763 (storent<mode>): Macroize expander from storentsf and storentdf using
5764 MODEF mode iterator.
5765 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5766 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5767 (abs<mode>2): Ditto from similar patterns.
5768 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5769 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5770 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5771 (<sse>_vmsqrt<mode>2): Ditto.
5772 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5773 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5774 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5775 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5776 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5777 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5778 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5780 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5781 iterator and SSE_FLOAT_MODE_P as insn constraint.
5782 (<sse>_ucomi): Ditto from similar patterns.
5783 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5784 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5785 SSE_VEC_FLOAT_MODE_P as insn constraint.
5786 (vcond<mode>): Ditto from similar patterns.
5787 (and<mode>3, *and<mode>3): Ditto.
5788 (<sse>_nand<mode>3): Ditto.
5789 (ior<mode>3, *ior<mode>3): Ditto.
5790 (xor<mode>3, *xor<mode>3): Ditto.
5791 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5792 iterator and SSE_FLOAT_MODE_P as insn constraint.
5793 (*nand<mode>3): Ditto from similar patterns.
5794 (*ior<mode>3): Ditto.
5795 (*xor<mode>3): Ditto.
5797 2008-02-20 Ira Rosen <irar@il.ibm.com>
5799 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5800 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5801 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5803 2008-02-19 Jan Hubicka <jh@suse.cz>
5805 * predict.c (tree_bb_level_predictions): Remove variable next
5806 mistakely introduced by previous commit.
5808 2008-02-19 Jan Hubicka <jh@suse.cz>
5810 * predict.c (predict_paths_leading_to): Rewrite.
5811 (predict_paths_for_bb): New.
5812 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5814 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5817 * Makefile.in (build_file_translate): New.
5818 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5819 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5820 * configure.ac (build_file_translate): Substitute it.
5821 * configure: Regenerate.
5823 2008-02-19 Jan Hubicka <jh@suse.cz>
5825 PR rtl-optimization/34408
5826 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5829 2008-02-19 Jan Hubicka <jh@suse.cz>
5832 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5835 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5838 * config/i386/i386-modes.def: Revert the last DI alignment
5839 change until Ada people can look into it.
5841 2008-02-19 Nick Clifton <nickc@redhat.com>
5843 * opts.c (print_specific_help): Fix typo in --help text.
5845 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5848 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5849 32-bit inline asm without asm alternatives for host GCC < 3.0.
5851 2008-02-19 Richard Guenther <rguenther@suse.de>
5853 PR tree-optimization/34989
5854 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5855 Allow propagation to INDIRECT_REF if we can simplify only.
5857 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5859 * c-common.c (warn_for_collisions_1): Use appropriate option when
5862 2008-02-19 Nick Clifton <nickc@redhat.com>
5865 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5866 (handle_options): Fix indentation.
5867 (print_filtered_help): If no language-specific options were
5868 displayed tell the user how to list all the options supported by
5869 the language's front-end.
5870 (print_specific_help): Fix indentation and remove duplicate line.
5871 (common_handle_option): Handle the -v option.
5872 For --help enable the display of undocumented options if the -v
5873 switch has been included on the command line.
5874 For --help= check for overlaps in the arguments between the option
5875 classes and the language names and issue a warning when they
5876 cannot be disambiguated.
5877 * c.opt (v): Pass on to the common option handler.
5879 2008-02-19 Revital Eres <eres@il.ibm.com>
5881 * modulo-sched.c (sms_schedule): Change dump message when
5882 create_ddg function fails.
5883 (try_scheduling_node_in_cycle): Rename row to cycle.
5884 (print_partial_schedule): Rename CYCLE to ROW.
5886 2008-02-19 Christian Bruel <christian.bruel@st.com>
5887 Zdenek Dvorak <ook@ucw.cz>
5889 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5891 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5894 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5895 (*x86_movdicc_0_m1_se): Ditto.
5897 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5899 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5900 (CMPtype): Define as __gcc_CMPtype.
5901 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5902 (CMPtype): Define as __gcc_CMPtype.
5904 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5906 Support valgrind 3.3 for --enable-checking=valgrind.
5907 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5909 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5910 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5911 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5912 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5913 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5914 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5915 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5917 * ggc-zone.c: Similar.
5918 * ggc-page.c: Similar.
5920 2008-02-19 Paul Brook <paul@codesourcery.com>
5923 * config/arm/ieee754-df.S: Fix do_it typo.
5924 * config/arm/ieee754-sf.S: Fix do_it typo.
5926 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5929 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5930 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5931 (OPTION_MASK_ISA_SSE_SET): Likewise.
5932 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5933 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5934 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5935 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5936 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5937 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5938 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5939 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5940 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5941 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5942 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5943 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5944 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5945 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5946 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5947 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5948 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5949 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5950 (OPTION_MASK_ISA_SSE4): Removed.
5951 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5952 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5953 (override_options): Don't turn on implied SSE/MMX bits in
5956 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5958 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
5961 2008-02-18 Joey Ye <joey.ye@intel.com>
5964 * tree-nested.c (insert_field_into_struct): Set type alignment
5965 to field alignment if the former is less than the latter.
5967 2008-02-18 Jakub Jelinek <jakub@redhat.com>
5969 * BASE-VER: Set to 4.4.0.
5971 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5973 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
5974 * doc/cfg.texi: Likewise.
5975 * doc/extend.texi: Likewise.
5976 * doc/gty.texi: Likewise.
5977 * doc/invoke.texi: Likewise.
5978 * doc/loop.texi: Likewise.
5979 * doc/md.texi: Likewise.
5980 * doc/passes.texi: Likewise.
5981 * doc/rtl.texi: Likewise.
5982 * doc/sourcebuild.texi: Likewise.
5983 * doc/tm.texi: Likewise.
5984 * doc/tree-ssa.texi: Likewise.
5986 2008-02-17 Richard Guenther <rguenther@suse.de>
5989 * tree-complex.c (init_parameter_lattice_values): Handle parameters
5990 without default definition.
5992 2008-02-17 Richard Guenther <rguenther@suse.de>
5994 PR tree-optimization/35231
5995 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
5998 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
6001 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6002 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6003 libgcc_cmp_return mode.
6005 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6008 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6010 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
6012 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6015 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6017 * doc/c-tree.texi: Use `@.' where appropriate.
6018 * doc/extend.texi: Likewise.
6019 * doc/install.texi: Likewise.
6020 * doc/invoke.texi: Likewise.
6021 * doc/loop.texi: Likewise.
6022 * doc/makefile.texi: Likewise.
6023 * doc/md.texi: Likewise.
6024 * doc/passes.texi: Likewise.
6025 * doc/standards.texi: Likewise.
6026 * doc/tm.texi: Likewise.
6028 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6031 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6033 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6034 rather than in entry_bb.
6036 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6038 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6039 libgcc_cmp_return mode.
6041 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6044 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6045 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6047 2008-02-15 Richard Guenther <rguenther@suse.de>
6048 Zdenek Dvorak <ook@ucw.cz>
6050 PR tree-optimization/35164
6051 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6052 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6053 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6054 Only propagate addresses which do not have abnormal SSA_NAMEs
6057 2008-02-15 Joseph Myers <joseph@codesourcery.com>
6060 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6062 2008-02-15 Jan Hubicka <jh@suse.cz>
6065 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6067 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6070 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6071 when calculating alignment_pad.
6073 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6075 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6076 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6077 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6078 and STACK_BOUNDARY define.
6080 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
6082 PR preprocessor/35061
6083 * c-pragma.c (handle_pragma_pop_macro): Check that
6084 pushed_macro_table has been allocated.
6086 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
6089 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6090 (force_gimple_operand): Likewise.
6091 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6092 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6093 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6094 (find_interesting_uses_address): Check addressability and alignment
6095 of the base expression only after substituting bases of IVs into it.
6097 2008-02-14 Michael Matz <matz@suse.de>
6100 * function.c (instantiate_virtual_regs_in_insn): Reload address
6101 before falling back to reloading the whole operand.
6103 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
6105 * config/s390/s390.c (s390_mainpool_start): Emit the pool
6106 before the first section switch note.
6108 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6110 * doc/bugreport.texi: Update copyright years.
6111 * doc/c-tree.texi: Likewise.
6112 * doc/cfg.texi: Likewise.
6113 * doc/cpp.texi: Likewise.
6114 * doc/cppinternals.texi: Likewise.
6115 * doc/fragments.texi: Likewise.
6116 * doc/frontends.texi: Likewise.
6117 * doc/gcc.texi: Likewise.
6118 * doc/gty.texi: Likewise.
6119 * doc/hostconfig.texi: Likewise.
6120 * doc/implement-c.texi: Likewise.
6121 * doc/libgcc.texi: Likewise.
6122 * doc/loop.texi: Likewise.
6123 * doc/makefile.texi: Likewise.
6124 * doc/options.texi: Likewise.
6125 * doc/passes.texi: Likewise.
6126 * doc/rtl.texi: Likewise.
6127 * doc/sourcebuild.texi: Likewise.
6128 * doc/standards.texi: Likewise.
6129 * doc/tree-ssa.texi: Likewise.
6130 * doc/trouble.texi: Likewise.
6132 * doc/extend.texi: Use @: or add comma where appropriate.
6133 * doc/invoke.texi: Likewise.
6134 * doc/tm.texi: Likewise.
6136 2008-02-14 Alan Modra <amodra@bigpond.net.au>
6139 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6142 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
6144 * doc/md.texi (clz, ctz): Add reference.
6145 * doc/rtl.texi (clz, ctz): Likewise.
6147 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6150 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6153 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
6155 * config/s390/s390.c (struct constant_pool): New field
6156 emit_pool_after added.
6157 (s390_mainpool_start): Set the emit_pool_after flag according
6158 to the section switch notes.
6159 (s390_mainpool_finish): Consider emit_pool_after when emitting
6160 the literal pool at the end of the function.
6161 (s390_chunkify_start): Force literal pool splits at section
6164 2008-02-13 Michael Matz <matz@suse.de>
6167 * var-tracking.c (clobber_variable_part): Correctly traverse the
6170 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6173 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6174 Add -fdump-ipa-inline.
6175 * tree-dump.c (dump_files): Remove tree-inlined dump.
6176 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6178 2008-02-12 Richard Guenther <rguenther@suse.de>
6180 PR tree-optimization/35171
6181 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6184 2008-02-12 Richard Guenther <rguenther@suse.de>
6187 * fold-const.c (fold_widened_comparison): Use get_unwidened in
6188 value-preserving mode. Disallow final truncation.
6190 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
6193 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6194 code from here to...
6195 (force_gimple_operand): ...here.
6197 2008-02-12 Jakub Jelinek <jakub@redhat.com>
6200 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6201 non-compatible pointers.
6202 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6203 different FIELD_DECLs, try harder by comparing field offsets, sizes
6207 * function.c (match_asm_constraints_1): Don't replace the same input
6210 2008-02-12 Anatoly Sokolov <aesok@post.ru>
6212 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6213 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6214 (expand_epilogue): Restore RAMPZ register.
6215 * config/avr/avr.md (RAMPZ_ADDR): New constant.
6217 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
6219 * config/i386/cygwin.asm: (__alloca): Correct calling
6220 convention and alignment.
6221 (__chkstk): Force 8 byte stack alignment.
6223 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
6224 Richard Guenther <rguenther@suse.de>
6226 PR tree-optimization/33992
6227 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6228 the zero we compare against.
6230 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
6233 * gthr-win32.h (__gthread_mutex_destroy_function): New function
6234 to CloseHandle after unlocking to prevent accumulation of handle
6237 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6240 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6241 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
6242 and update LABEL_NUSES during and after reload.
6244 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
6247 * combine.c (simplify_if_then_else): Make sure the comparison is
6248 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6250 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
6253 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6254 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6255 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6256 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6257 * tree.h (get_type_static_bounds): Likewise.
6259 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6261 * doc/invoke.texi (Option Summary, C++ Dialect Options)
6262 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6263 Make -Wfoo language annotations match what the compiler outputs.
6265 2008-02-08 Sa Liu <saliu@de.ibm.com>
6267 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
6268 intrinsics spu_convts, spu_convtu, spu_convtf.
6270 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
6272 * doc/extend.texi (Function Attributes) <noinline>: Mention
6273 asm ("") as method to keep calls.
6275 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6278 * doc/options.texi (Options): Replace references to opts.sh with
6280 * opts-common.c: Likewise.
6281 * optc-gen.awk: Likewise.
6283 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
6285 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6287 2008-02-07 Richard Henderson <rth@redhat.com>
6290 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6291 EXPR_LIST for the REG_EQUAL instead of a comparison with a
6294 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
6296 PR tree-optimization/35085
6297 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6298 for operand entry oe2 in addition to operand entry oe3 in order to
6299 expose more opportunities for vectorizer sum reduction.
6301 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6304 * Makefile.in (LIBS): Remove $(GMPLIBS).
6305 (cc1-dummy, cc1): Add $(GMPLIBS).
6307 2008-02-06 Jan Hubicka <jh@suse.cz>
6310 * i386.md (moddf_integer): Do not produce partial memory stalls for
6311 targets where it hurts.
6313 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6316 * optabs.c (expand_float): Do not check for decimal modes when
6317 expanding unsigned integer through signed conversion.
6319 2008-02-06 Nick Clifton <nickc@redhat.com>
6321 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6322 inside the clobber with a match_operand and duplicated operand
6323 number in the constraint.
6324 (ineqbranchsi): Delete redundant comment.
6326 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6328 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6329 builtin_define ("__USE_INIT_FINI__").
6330 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6332 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6334 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6336 PR documentation/30330
6337 * doc/invoke.texi (C++ Dialect Options)
6338 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6339 For each warning option -Wfoo that allows -Wno-foo, ensure both
6340 -Wfoo and -Wno-foo are listed in the option index. Fix index
6341 entry of -Wswitch-default, index -Wnormalized= including the
6342 `=', and -Wlarger-than-@var{len} including @var{len}.
6344 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6346 * config/i386/i386.md (floatunssisf2): Use
6347 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6348 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6349 Macroize expander using MODEF mode iterator.
6351 2008-02-05 Diego Novillo <dnovillo@google.com>
6353 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6356 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6358 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6361 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6363 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6366 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6367 to indicate if a message should be generated.
6368 (init_cumulative_args): Updated.
6369 (function_value_32): Likewise.
6371 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6373 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6375 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6378 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6379 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6381 2008-02-04 Diego Novillo <dnovillo@google.com>
6383 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6386 * tree-vrp.c (vrp_evaluate_conditional): With
6387 -Wtype-limits, emit a warning when comparing against a
6388 constant outside the natural range of OP0's type.
6390 2008-02-04 Richard Guenther <rguenther@suse.de>
6393 * expr.c (count_type_elements): Give for unions instead of
6396 2008-02-04 Richard Guenther <rguenther@suse.de>
6399 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6400 to TYPE_DOMAINs base type instead of using bitsizetype here.
6402 2008-02-03 Jason Merrill <jason@redhat.com>
6404 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6406 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6409 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6410 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6411 (RS/6000 and PowerPC Options): Fix typos and markup.
6412 * doc/passes.texi (Tree-SSA passes): Likewise.
6414 2008-02-02 Michael Matz <matz@suse.de>
6417 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6418 from record_last_reg_set_info.
6419 (record_last_reg_set_info): Take an RTX argument, iterate over all
6420 constituent hardregs.
6421 (record_last_set_info, record_opr_changes): Change calls to
6422 new signature or to record_last_reg_set_info_regno.
6424 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6426 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6428 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6430 PR rtl-optimization/34773
6431 * reg-notes.def (EQUAL): Mention significance of combination of
6432 REG_EQUAL and REG_RETVAL.
6433 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6434 insn that has a REG_RETVAL.
6436 2008-02-01 Roger Sayle <roger@eyesopen.com>
6439 * configure.ac (--enable-fixed-point): Disable unless explicitly
6441 * configure: Regenerate.
6443 2008-02-01 Richard Guenther <rguenther@suse.de>
6446 * invoke.texi (-finline-limit): Remove no longer true parts
6447 of the documentation. Note that there is no default value.
6449 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6450 Mark Mitchell <mark@codesourcery.com>
6451 Ben Elliston <bje@au.ibm.com>
6454 * doc/extend.texi (Other Builtins): Document.
6456 2008-01-31 Tom Browder <tom.browder@gmail.com>
6458 * doc/c-tree.texi (Types): Fix grammar.
6459 (Expression trees): Ditto.
6460 * doc/passes.texi (Tree-SSA passes): Ditto.
6462 * doc/configterms.texi (Configure Terms): Fix typo.
6463 * doc/cpp.texi (Common Predefined Macros): Ditto.
6464 * doc/md.texi (Machine Constraints): Ditto.
6466 * doc/makefile.texi (Makefile): Add comma.
6468 2008-01-31 Tom Browder <tom.browder@gmail.com>
6469 Gerald Pfeifer <gerald@pfeifer.com>
6471 * doc/sourcebuild.texi (Front End): Remove references to CVS
6472 and CVSROOT/modules.
6473 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6474 (Back End): Remove reference to CVS.
6476 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6479 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6481 (mips16_gp_pseudo_reg): ...here.
6482 * config/mips/mips.md (load_const_gp): Replace with...
6483 (load_const_gp_<mode>): ...this :P-based insn.
6485 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6487 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6488 options. Minor fixes.
6489 (-std): Move reference to standards closer to where language
6490 standards are first mentioned.
6492 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6494 PR rtl-optimization/34995
6495 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6496 parameter and return a bool. If the rtx parameter is nonnull,
6497 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6498 (find_reloads): Update call accordingly. Pass the new operand
6499 if it needed no address reloads, otherwise pass null.
6501 2008-01-30 Richard Henderson <rth@redhat.com>
6504 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6505 for unbounded arrays.
6507 2008-01-30 Silvius Rus <rus@google.com>
6509 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6511 2008-01-30 Jan Hubicka <jh@suse.cz>
6514 * i386.c (init_cumulative_args): Use real function declaration when
6517 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6519 PR rtl-optimization/34998
6520 * global.c (build_insn_chain): Treat non-subreg_lowpart
6521 SUBREGs of pseudos as clobbering all the words covered by the
6522 SUBREG, not just all the bytes.
6523 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6524 original df_ref rather than an extract parameter.
6525 (global_conflicts): Update call accordingly.
6527 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
6529 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6530 the overflow check to make it easier to read.
6531 (__fixtfdi): Change the type of the ll member in union
6532 long_double to UDItype_x.
6534 2008-01-30 Jakub Jelinek <jakub@redhat.com>
6537 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6538 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6539 * tree-inline.c (fold_marked_statements): Call
6540 cgraph_update_edges_for_call_stmt if folding a call statement.
6541 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6542 debug_generic_stmt calls, reset it back afterwards.
6545 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6547 * c-typeck.c (build_external_ref): Don't pedwarn about
6548 static vars in current function's scope.
6550 2008-01-29 Joseph Myers <joseph@codesourcery.com>
6552 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6554 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
6557 * ipa-struct-reorg.c: Fix spelling.
6558 * params.def: Ditto.
6560 2008-01-29 Richard Guenther <rguenther@suse.de>
6563 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6565 * tree-inline.c (remap_type): Increment remapping_type_depth
6566 around remapping types.
6567 (copy_body_r): Only add referenced variables if they are referenced
6568 from code, not types.
6570 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
6581 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6582 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6584 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
6587 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
6588 pointer for tiny stack.
6590 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6592 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
6594 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6596 * config/vx-common.h: Fix typo in comment.
6598 2008-01-28 Ian Lance Taylor <iant@google.com>
6602 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6603 coalesce pointers if they have different DECL_NO_TBAA_P values.
6604 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
6605 between variables with different DECL_NO_TBAA_P values.
6607 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
6610 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
6611 are not legitimate small data references on SPE targets.
6613 2008-01-28 David Daney <ddaney@avtrex.com>
6615 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
6617 2008-01-28 David Daney <ddaney@avtrex.com>
6619 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
6621 2008-01-27 Joseph Myers <joseph@codesourcery.com>
6623 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
6624 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
6625 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
6626 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
6627 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
6628 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
6629 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
6630 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
6632 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6634 * basic-block.h (condjump_equiv_p): Fix comment.
6636 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6638 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
6639 print_generic_stmt_indented): Fix comment.
6641 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6643 * configure.ac (__stack_chk_fail): Add detecion for availability
6644 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
6645 * configure: Regenerate.
6647 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
6650 * final.c (output_addr_const): Handle TRUNCATE.
6652 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
6655 * tree-ssa-loop-ivopts.c (comp_cost): New type.
6656 (zero_cost, infinite_cost): New constants.
6657 (struct cost_pair): Change type of cost to comp_cost.
6658 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
6659 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
6661 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
6662 split_address_cost, ptr_difference_cost, difference_cost,
6663 get_computation_cost_at, get_computation_cost,
6664 determine_use_iv_cost_generic, determine_use_iv_cost_address,
6665 determine_use_iv_cost_condition, determine_use_iv_costs,
6666 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
6667 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
6668 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
6669 Change type of cost to comp_cost.
6670 (determine_iv_cost): Increase cost of non-original ivs, instead
6671 of decreasing the cost of original ones.
6672 (get_address_cost): Indicate the complexity of the addressing mode
6674 (try_add_cand_for): Prefer using ivs not specific to some object.
6675 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
6677 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
6678 Janis Johnson <janis187@us.ibm.com>
6681 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
6682 (TARGET_INSTANTIATE_DECLS): Likewise.
6683 * target.h (expand_to_rtl_hook): New target hook.
6684 (instantiate_decls): Likewise.
6685 * function.c (instantiate_decl): Make non-static. Rename to...
6686 (instantiate_decl_rtl): ... this.
6687 (instantiate_expr): Use instantiate_decl_rtl.
6688 (instantiate_decls_1): Likewise.
6689 (instantiate_decls): Likewise.
6690 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
6691 * function.h (instantiate_decl_rtl): Add prototype.
6692 * cfgexpand.c (target.h): New include.
6693 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
6694 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
6695 (TARGET_INSTANTIATE_DECLS): Likewise.
6696 (TARGET_INITIALIZER): New target hooks added.
6697 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6699 * config/rs6000/rs6000.c (tree-flow.h): New include.
6700 (machine_function): Add sdmode_stack_slot field.
6701 (rs6000_alloc_sdmode_stack_slot): New function.
6702 (rs6000_instantiate_decls): Likewise.
6703 (rs6000_secondary_memory_needed_rtx): Likewise.
6704 (rs6000_check_sdmode): Likewise.
6705 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
6706 (TARGET_INSTANTIATE_DECLS): Likewise.
6707 (rs6000_hard_regno_mode_ok): Allow SDmode.
6708 (num_insns_constant): Likewise. Handle _Decimal32 constants.
6709 (rs6000_emit_move): Handle SDmode.
6710 (function_arg_advance): Likewise.
6711 (function_arg): Likewise.
6712 (rs6000_gimplify_va_arg): Likewise. Add special handling of
6713 SDmode var args for 32-bit compiles.
6714 (rs6000_secondary_reload_class): Handle SDmode.
6715 (rs6000_output_function_epilogue): Likewise.
6716 (rs6000_function_value): Simplify if statement.
6717 (rs6000_libcall_value): Likewise.
6718 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
6719 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
6720 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
6721 (movsd_hardfloat): New define_insn.
6722 (movsd_softfloat): Likewise.
6723 (movsd_store): Likewise.
6724 (movsd_load): Likewise.
6725 (extendsddd2): Likewise.
6726 (extendsdtd2): Likewise.
6727 (truncddsd2): Likewise.
6728 (movdd_hardfloat64): Fixup comment.
6729 (UNSPEC_MOVSD_LOAD): New constant.
6730 (UNSPEC_MOVSD_STORE): Likewise.
6732 2008-01-26 Jakub Jelinek <jakub@redhat.com>
6735 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
6737 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
6738 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
6739 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
6742 2008-01-26 David Edelsohn <edelsohn@gnu.org>
6745 * config.gcc: Separate AIX 5.3 from AIX 6.1.
6746 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6747 __LONGDOUBLE128 too.
6748 * config/rs6000/aix61.h: New file.
6750 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6752 PR rtl-optimization/34959
6753 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
6754 popcount and parity rtxes the same mode as their operand.
6755 Truncate or extend the result to the return value's mode
6758 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6761 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
6762 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6763 to GOT_VERSION_REGNUM.
6764 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
6765 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
6766 * config/mips/mips.c (mips_emit_call_insn): New function.
6767 (mips_call_tls_get_addr): Call mips_expand_call directly.
6768 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
6770 (mips16_build_call_stub): Likewise. Return the call insn or null.
6771 (mips_expand_call): Update the call to mips16_build_call_stub
6772 accordingly and a remove redundant condition. Assert that MIPS16
6773 stubs do not use lazy binding. Use mips_emit_call_insn and return
6775 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
6777 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
6778 (mips_avoid_hazard): Remove hazard_set handling.
6779 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
6780 (UNSPEC_RESTORE_GP): ...this.
6781 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
6782 (FAKE_CALL_REGNO): Rename to...
6783 (GOT_VERSION_REGNUM): ...this.
6784 (type): Add "ghost" value. Add an associated insn reservation.
6785 (hazard_set): Remove.
6786 (exception_receiver): Rename to...
6787 (restore_gp): ...this and update the unspec identifier accordingly.
6788 (exception_receiver, nonlocal_got_receiver): New expanders.
6789 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6790 FAKE_CALL_REGNO. Remove hazard_set attribute.
6791 (set_got_version, update_got_version): New patterns.
6793 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6796 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6798 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6801 * doc/install.texi2html: Generate gcc-vers.texi.
6803 2008-01-25 DJ Delorie <dj@redhat.com>
6805 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6807 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6809 * config/c4x: Remove directory.
6810 * config.gcc (crx-*, mt-*): Mark obsolete.
6811 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6812 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6813 sh-*-rtemscoff*): Remove cases.
6814 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6815 * real.c (encode_c4x_single, decode_c4x_single,
6816 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6817 c4x_extended_format): Remove.
6818 * real.h (c4x_single_format, c4x_extended_format): Remove.
6819 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6821 (Pragmas): Remove comment about c4x pragmas.
6822 * doc/install.texi (c4x): Remove target-specific instructions.
6823 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6824 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6825 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6826 refer to C4x source files as examples.
6827 (C4X_FLOAT_FORMAT): Remove documentation.
6829 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6831 * config/bfin/bfin.c (override_options): Reorder tests so that
6832 flag_pic gets enabled for -msep-data.
6834 2008-01-25 Richard Guenther <rguenther@suse.de>
6837 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6838 to its bitfield precision if required.
6840 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6843 * tree-nested.c (walk_omp_for): New function.
6844 (convert_nonlocal_reference, convert_local_reference): Call
6845 walk_omp_for on OMP_FOR.
6846 (convert_call_expr): Call walk_body on OMP_FOR's
6847 OMP_FOR_PRE_INIT_BODY.
6849 2008-01-25 Richard Guenther <rguenther@suse.de>
6851 PR tree-optimization/34966
6852 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6853 default defs and PHI_NODEs we have to insert after the
6856 2008-01-24 Nick Clifton <nickc@redhat.com>
6858 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6859 Provide a default definition.
6860 (LIBGCC2_UNITS_PER_WORD): Likewise.
6862 * config/stormy16/stormy16.c: Include df.h for the prototype
6863 for df_regs_ever_live_p.
6864 (xstormy16_expand_builtin_va_start): Convert the stack offset
6865 into a component_ref and then use POINTER_PLUS_EXPR to add it
6866 to the incoming_virtual_args_rtx.
6867 (xstormy16_gimplify_va_arg_expr): Rename to
6868 xstormy16_gimplify_va_arg_expr.
6869 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6870 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6871 xstormy16_gimplify_va_arg_expr.
6872 Fix up some formatting issues.
6874 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6875 Move to predicates.md.
6876 (xs_hi_general_operand): Likewise.
6877 (xs_hi_nonmemory_operand): Likewise.
6878 * config/stormy16/predicates.md:
6879 (xstormy16_carry_plus_operand): New predicate.
6880 (xs_hi_general_operand): New predicate.
6881 (xs_hi_nonmemory_operand): New predicate.
6882 * config/stormy16/stormy16-protos.h:
6883 (xstormy16_carry_plus_operand): Delete prototype.
6884 (xs_hi_general_operand): Likewise.
6885 (xs_hi_nonmemory_operand): Likewise.
6887 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6888 modifiers as they are no longer needed and they can trigger
6889 reload spill failures.
6891 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6892 with a match_operand in order to help reload.
6894 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6895 constraint with 'e' for the 8th alternative as this version of
6896 the mov.w instruction only accepts the lower 8 registers.
6898 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6901 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6902 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6905 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6908 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6910 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6912 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6914 (remove_structure): Update allocations list before removing structure.
6916 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6918 * ipa-struct-reorg.c (is_safe_cond_expr,
6919 create_new_stmts_for_cond_expr): Use integer_zerop function,
6920 that recognize not only zero-pointer, but zero-integer too.
6922 2008-01-25 Ben Elliston <bje@au.ibm.com>
6925 * fixproto: Escape "." in sed expression that strips leading "./".
6927 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6930 * gcc.c (SWITCH_OK): Removed.
6931 (SWITCH_LIVE): Changed to bit.
6932 (SWITCH_FALSE): Likewise.
6933 (SWITCH_IGNORE): Likewise.
6934 (switchstr): Change live_cond to unsigned int.
6935 (process_command): Replace SWITCH_OK with 0.
6936 (do_self_spec): Likewise.
6937 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6938 (give_switch): Likewise.
6939 (used_arg): Likewise.
6940 (do_spec_1): Set the SWITCH_IGNORE bit.
6941 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6942 bits. Set the SWITCH_LIVE bit.
6944 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6946 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6948 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6950 PR tree-optimization/34472
6951 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6952 parameter to a "bool *" and set *DATA to false if there is
6953 an unsafe access. Do not delete the structure here.
6954 (check_cond_exprs): Delete it here instead.
6955 (check_cond_exprs, exclude_cold_structs): Do not increase
6956 I when removing a structure.
6958 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
6961 * config/i386/i386.c (ix86_expand_vector_init): Consider only
6962 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
6964 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
6967 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
6968 a fixed vector for stack.
6970 2008-01-24 Ben Elliston <bje@au.ibm.com>
6973 * doc/gcc.texi (Software development): Add a direntry for g++.
6975 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
6977 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
6978 stale and straggling -fforce-addr comments above.
6980 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
6982 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
6983 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
6985 2008-01-23 Michael Matz <matz@suse.de>
6988 * dwarf2out.c (force_type_die): Use modified_type_die instead of
6991 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
6993 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
6996 2008-01-23 Anatoly Sokolov <aesok@post.ru>
6998 * config/avr/avr.c (avr_current_arch): New variable.
6999 (avr_arch_types): Add 'avr31' and 'avr51' entries.
7000 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7001 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7002 (avr_override_options): Init 'avr_current_arch'.
7003 (base_arch_s): Move from here...
7004 * config/avr/avr.h (base_arch_s): ... here. Add new members
7005 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
7006 'mega' to 'have_jmp_call'.
7007 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
7008 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
7010 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
7012 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7013 MULTILIB_MATCHES): (Ditto.).
7015 2008-01-23 Richard Guenther <rguenther@suse.de>
7018 * cgraphunit.c (cgraph_reset_node): Always mark the node
7019 not reachable if it is not queued already.
7021 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
7023 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7024 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7025 (cputype_selected): New static variable.
7026 (bfin_handle_option): Set it if -mcpu is used.
7027 (override_option): Select default set of workarounds if no cpu type
7028 selected on the command line.
7029 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7031 From Michael Frysinger <michael.frysinger@analog.com>
7032 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7033 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7035 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7036 for bf547, bf523, bf524, and bf526.
7037 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
7039 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7040 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7041 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7042 __ADSPBF547__ and __ADSPBF54x__ for bf547.
7043 * doc/invoke.texi (Blackfin Options): Document that
7044 -mcpu now accept bf547, bf523, bf524, and bf526.
7046 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
7048 PR rtl-optimization/34628
7049 * combine.c (try_combine): Stop and undo after the first combination
7050 if an autoincrement side-effect on the first insn has effectively
7053 2008-01-22 David Edelsohn <edelsohn@gnu.org>
7056 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7057 Offset addresses are not valid for Altivec or paired float modes.
7059 2008-01-22 Jakub Jelinek <jakub@redhat.com>
7062 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7063 if DECL_INITIAL (decl) is error_mark_node.
7066 * c-common.c (handle_vector_size_attribute): Only allow
7067 integral, scalar float and fixed point types. Handle OFFSET_TYPE
7068 the same way as pointer, array etc. types.
7069 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7072 * tree.c (build_type_attribute_qual_variant): Call
7073 build_qualified_type if attributes are equal, but quals are not.
7075 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7078 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7079 * flags.h (warn_strict_aliasing): Remove.
7080 (warn_strict_overflow): Remove.
7081 * opts.c (warn_strict_aliasing): Remove.
7082 (warn_strict_overflow): Remove.
7083 * c-opts.c (c_common_handle_option): -Wall only sets
7084 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7085 (c_common_post_options): Give default values to -Wstrict-aliasing
7086 and -Wstrict-overflow if they are uninitialized.
7087 * common.opt (Wstrict-aliasing): Specify Var and Init.
7088 (Wstrict-overflow): Likewise.
7090 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7092 PR rtl-optimization/26854
7093 PR rtl-optimization/34400
7094 PR rtl-optimization/34884
7095 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7097 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7098 (df_rd_bb_info.expanded_lr_out): Deleted
7099 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7100 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
7101 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7102 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7103 Removed code to allocate, initialize or free expanded_lr_out.
7104 (df_rd_bb_local_compute_process_def): Restructured to make more
7106 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7107 sets if the sets are being trimmed.
7109 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
7112 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7113 (as_vers): Likewise.
7114 * configure: Regenerated.
7116 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7119 * tree-pass.h (pass_build_alias): New pass.
7120 * tree-ssa-alias.c (gate_build_alias): New.
7121 (pass_build_alias): New.
7122 * passes.c (init_optimization_passes): Add pass_build_alias after
7123 pass_create_structure_vars.
7125 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
7127 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7128 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7129 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7130 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7131 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7132 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7133 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7134 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7135 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7136 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7137 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7138 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7139 * config/s390/s390.md (FP_ALL): New mode iterator.
7140 (_d): New mode attribute.
7141 ("*signbit<mode>2>"): Changed mode of first operand.
7142 ("isinf<mode>2"): Changed mode of first operand.
7143 ("*TDC_insn"): Adaptation for DFP modes.
7145 2008-01-22 Ben Elliston <bje@au.ibm.com>
7147 * tree.c (check_qualified_type): Improve function description.
7149 2008-01-21 Jason Merrill <jason@redhat.com>
7152 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7153 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7156 2008-01-21 DJ Delorie <dj@redhat.com>
7158 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7161 2008-01-21 Richard Guenther <rguenther@suse.de>
7164 * tree-cfg.c (verify_expr): Allow all invariant expressions
7165 instead of just constant class ones as reference argument.
7166 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7167 like any other constant.
7168 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7170 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
7172 * regmove.c (fixup_match_1): Update call crossed frequencies.
7174 2008-01-21 Richard Guenther <rguenther@suse.de>
7177 * tree-inline.c (setup_one_parameter): Deal with mismatched
7178 types using a VIEW_CONVERT_EXPR.
7180 2008-01-21 Alon Dayan <alond@il.ibm.com>
7181 Olga Golovanevsky <olga@il.ibm.com>
7183 PR tree-optimization/34701
7184 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7185 when the structure size is not a power of 2.
7187 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
7189 * doc/install.texi: Add doc for --enable-checking=df.
7191 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
7193 PR rtl-optimization/34808
7194 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7196 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7198 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7201 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7203 PR rtl-optimization/26854
7204 PR rtl-optimization/34400
7205 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7207 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7208 (df_rd_bb_info.expanded_lr_out): New.
7209 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7210 * loop_iv.c (iv_analysis_loop_init): Ditto.
7211 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7212 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7213 Added code to allocate, initialize or free expanded_lr_out.
7214 (df_rd_bb_local_compute_process_def): Restructured to make
7215 more understandable.
7216 (df_rd_confluence_n): Add code to do nothing with fake edges and
7217 code to no apply invalidate_by_call sets if the sets are being trimmed.
7218 (df_lr_local_finalize): Renamed to df_lr_finalize.
7219 (df_live_local_finalize): Renamed to df_live_finalize.
7221 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7224 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7225 deciding whether to use reciprocal instructions.
7227 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
7229 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7230 dwarf2out_note_section_used if cold_text_section is NULL.
7232 2008-01-19 Jakub Jelinek <jakub@redhat.com>
7234 PR gcov-profile/34610
7235 * tree-cfg.c (make_edges): Mark both outgoing edges from
7236 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7237 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7238 from OMP_FOR and OMP_CONTINUE outgoing edges.
7240 * tree-profile.c (tree_profiling): Return early if
7241 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
7243 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7244 from cfun to child_cfun.
7245 * function.h (struct function): Add after_tree_profile bit.
7247 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7249 * config/avr/avr.S (_exit): Disable interrupt.
7251 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
7252 Steven Bosscher <stevenb.gcc@gmail.com>
7254 PR rtl-optimization/26854
7255 PR rtl-optimization/34400
7256 * df-problems.c (df_live_scratch): New scratch bitmap.
7257 (df_live_alloc): Allocate df_live_scratch when doing df_live.
7258 (df_live_reset): Clear the proper bitmaps.
7259 (df_live_bb_local_compute): Only process the artificial defs once
7260 since the order is not important.
7261 (df_live_init): Init the df_live sets only with the variables
7262 found live by df_lr.
7263 (df_live_transfer_function): Use the df_lr sets to prune the
7264 df_live sets as they are being computed.
7265 (df_live_free): Free df_live_scratch.
7267 2008-01-18 Ian Lance Taylor <iant@google.com>
7269 * common.opt: Add fmerge-debug-strings.
7270 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7271 flag_merge_debug_strings rather than flag_merge_constants.
7272 * doc/invoke.texi (Option Summary): Mention
7273 -fmerge-debug-strings.
7274 (Debugging Options): Document -fmerge-debug-strings.
7276 2008-01-18 Ian Lance Taylor <iant@google.com>
7279 * tree.h (DECL_IS_OPERATOR_NEW): Define.
7280 (struct tree_function_decl): Add new field operator_new_flag.
7281 * tree-inline.c (expand_call_inline): When inlining a call to
7282 operator new, force the return value to go into a variable, and
7283 set DECL_NO_TBAA_P on that variable.
7284 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7286 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
7289 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7290 DWARF2_DEBUGGING_INFO.
7291 (dwarf2out_note_section_used): Ditto. Add prototype.
7292 (have_multiple_function_sections, text_section_used,
7293 cold_text_section_used, *cold_text_sections): Move declarations
7296 2008-01-17 Bob Wilson <bob.wilson@acm.org>
7298 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7299 field and add signal_ra.
7300 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7301 assignments to frame state pc. Move end of stack check after
7302 MD_FALLBACK_FRAME_STATE_FOR.
7303 (uw_update_context_1): Use frame state signal_regs if set, instead
7304 of checking signal_frame flag.
7305 (uw_update_context): Use frame state signal_ra if set.
7306 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7307 * config/xtensa/linux-unwind.h: New file.
7309 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7311 * modulo-sched.c (get_sched_window): Fix comment typo.
7313 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7315 PR tree-optimization/34648
7316 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7318 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7320 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7321 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7323 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7325 PR rtl-optimization/34400
7326 * df-core.c (df_worklist_dataflow_overeager,
7327 df_worklist_dataflow_doublequeue): New functions.
7328 (df_worklist_dataflow): Two different worklist solvers.
7329 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7332 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7335 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7336 and ftree-parallelize-loops.
7338 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7340 PR rtl-optimization/34826
7341 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7343 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7345 * global.c (find_reg): Mark the eh regs as used if necessary.
7346 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7347 * ra.h (struct allocno): no_eh_reg field added. Changed
7348 no_stack_reg type to bitfield.
7350 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7352 * tree.c (substitute_in_expr): Add missing 'break'.
7354 2008-01-17 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/34825
7357 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7358 x / x as division to handle.
7360 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7362 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7363 "-pthread" is specified.
7364 * pa-hpux11.h (LIB_SPEC): Likewise.
7366 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7367 Peter Bergner <bergner@vnet.ibm.com>
7369 PR rtl-optimization/33796
7370 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7372 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7374 PR libgfortran/34699
7375 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7377 * pa-hpux10.h (LINK_SPEC): Likewise.
7378 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7380 2008-01-16 Richard Guenther <rguenther@suse.de>
7383 * fold-const.c (fold_convert_const_int_from_int): Do not
7384 set overflow if that occured only because of a sign extension
7385 change when converting from/to a sizetype with the same
7386 precision and signedness.
7388 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7391 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7392 location address to the correct place. Update copyright year.
7394 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7396 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7397 no dependences in the dependence_relations vector.
7399 2008-01-16 Jan Hubicka <jh@suse.cz>
7401 PR rtl-optimization/31396
7402 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7403 * cfg.c (dump_reg_info): Print it.
7404 * regs.h (struct reg_info_t): add freq_calls_crossed.
7405 (REG_FREQ_CALLS_CROSSED): New macro.
7406 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7407 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7408 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7409 regmove_optimize): Update call crossed frequencies.
7410 * local-alloc.c (struct qty): Add freq_calls_crossed.
7411 (alloc_qty): Copute freq_calls_crossed.
7412 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7413 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7414 * ra.h (struct allocno): Add freq_calls_crossed.
7416 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7418 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7419 libgomp when compiling with ftree-parallelize-loops.
7420 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7422 2008-01-16 Richard Guenther <rguenther@suse.de>
7424 PR tree-optimization/34769
7425 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7426 * tree.c (int_cst_value): Instead make this function more
7427 permissive in what it accepts as valid input. Document this
7428 function always sign-extends the value.
7430 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7431 Richard Guenther <rguenther@suse.de>
7434 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7435 (gimple_fold_indirect_ref_rhs): ... this.
7436 (gimple_fold_indirect_ref): New function with foldings
7437 that preserve lvalueness.
7438 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7439 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7440 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7441 to fold an INDIRECT_REF, fall back to the old use of
7442 fold_indirect_ref_1.
7444 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7446 * tree-data-ref.c (subscript_dependence_tester_1): Call
7447 free_conflict_function.
7448 (compute_self_dependence): Same.
7450 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7453 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7454 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7456 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7457 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7458 for DWARF2_UNWIND_INFO targets.
7460 2008-01-16 Richard Guenther <rguenther@suse.de>
7463 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7464 type qualifiers for function types.
7466 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7468 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7469 loop_iterator li from previous commit.
7471 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7473 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7475 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7477 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7478 (parallelize_loops): Don't parallelize irreducible components.
7480 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7483 * c-opts (c_common_post_options): Do not enable CPP
7484 flag_pedantic_errors by default.
7486 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7488 PR rtl-optimization/31944
7489 * cse.c (remove_pseudo_from_table): New function.
7490 (merge_equiv_classes): Use above function to remove pseudo-registers.
7491 (invalidate): Likewise.
7493 2008-01-13 Richard Guenther <rguenther@suse.de>
7496 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7497 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7499 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7501 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7502 validate_change to unshare the source of the PC set.
7504 2008-01-12 Jan Hubicka <jh@suse.cz>
7507 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7508 references above array bounds. This might trigger bounds checks for
7511 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7513 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7514 new_replaceable_dependencies.
7516 2008-01-12 Doug Kwan <dougkwan@google.com>
7518 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7519 instead of OPT_Wreturn_type in warning due to ignored return type
7521 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7522 options included in -Wextra.
7523 * c.opt: New option -Wignored_qualifiers.
7524 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7525 -Wignore_qualifiers.
7526 (-Wignored-qualifiers): Document.
7527 (-Wreturn-type): Remove description of functionality now handled
7528 by -Wignored-qualifiers.
7530 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
7533 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7534 NOP_EXPR if it is between integral types with the same precision.
7536 2008-01-12 Jan Hubicka <jh@suse.cz>
7539 * invoke.texi (max-inline-recursive-depth): Fix default value.
7541 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
7543 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7546 2008-01-11 Bob Wilson <bob.wilson@acm.org>
7548 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7550 2008-01-11 James E. Wilson <wilson@specifix.com>
7553 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7555 2008-01-11 Anatoly Sokolov <aesok@post.ru>
7557 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
7558 save/restore frame pointer register and don't use 'call-prologues'
7559 optimization in function with "OS_task" attribute.
7561 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
7564 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7565 when copying to memory.
7567 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
7569 PR rtl-optimization/30905
7570 * cfgcleanup.c: Include dce.h
7571 (crossjumps_occured): New global variable.
7572 (try_crossjump_bb): Exit loop after finding a fallthru edge.
7573 If something changed, set crossjumps_occured to true.
7574 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7575 Don't add/remove fake edges to exit here...
7576 (cleanup_cfg): ...but do it here, when crossjumping.
7577 Run a fast DCE when successful crossjumps occured in the latest
7578 iteration of try_optimize_cfg.
7580 2008-01-11 Richard Guenther <rguenther@suse.de>
7582 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7583 (struct vn_unary_op_s): Likewise.
7584 (vn_reference_insert): Free old reference on hash collision.
7586 2008-01-10 Raksit Ashok <raksit@google.com>
7588 PR rtl-optimization/27971
7589 * combine.c (find_split_point): Split PLUS expressions which are
7590 inside a MEM rtx, and whose first operand is complex.
7592 2008-01-10 DJ Delorie <dj@redhat.com>
7594 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
7595 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
7596 (m32c_hard_regno_ok): Call the underlying function.
7598 2008-01-10 Richard Guenther <rguenther@suse.de>
7601 * tree-cfg.c (tree_merge_blocks): Do not go through the
7602 full-blown folding and stmt updating path if we just deal
7603 with virtual operands.
7604 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
7605 test for abnormal SSA_NAMEs.
7607 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
7610 * reload.c (push_reload): Add assertions. All constants from
7611 reg_equiv_constant should have been used for replacing the respective
7613 (find_reloads_address): Invoke find_reloads_address_part for
7614 constant taken from the reg_equiv_constant array.
7616 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
7618 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
7619 field (valnum) the first in the struct. Replace bools with
7622 2008-01-10 Richard Guenther <rguenther@suse.de>
7624 PR tree-optimization/34651
7625 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
7626 types and ordering for masking and converting.
7628 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
7630 PR tree-optimization/34017
7631 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
7632 also for PHI_NODE expressions.
7634 2008-01-09 Jan Hubicka <jh@suse.cz>
7636 PR tree-optimization/34708
7637 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
7638 based on number of case labels.
7639 (init_inline_once): Remove switch_cost.
7640 * tree-inline.h (eni_weights_d): Remove switch_cost.
7642 2008-01-09 Richard Guenther <rguenther@suse.de>
7643 Andrew Pinski <andrew_pinski@playstation.sony.com>
7646 * gimplify.c (gimplify_cond_expr): Do not create an addressable
7647 temporary if an rvalue is ok or an lvalue is not required.
7649 2008-01-09 Richard Guenther <rguenther@suse.de>
7652 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
7655 2008-01-09 Richard Guenther <rguenther@suse.de>
7658 * tree.c (host_integerp): Check for sizetype only if the
7659 type is an integer type.
7661 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
7664 * opts.c (decode_options): Disable inlining of functions called
7665 once if not in unit-at-a-time mode.
7667 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
7669 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
7671 2008-01-08 Richard Guenther <rguenther@suse.de>
7674 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
7675 out early if the result will be unused.
7677 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7682 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7683 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7686 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
7688 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
7689 for vectorization tuned.
7691 2008-01-08 Richard Guenther <rguenther@suse.de>
7693 PR tree-optimization/34683
7694 * tree-ssa-operands.c (operand_build_cmp): Export.
7695 * tree-ssa-operands.h (operand_build_cmp): Declare.
7696 * tree-vn.c (vuses_compare): Remove.
7697 (sort_vuses): Use operand_build_cmp.
7698 (sort_vuses_heap): Likewise.
7699 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
7700 to re-use old VEC if available. Do not sort already sorted VUSEs.
7701 (vdefs_to_vec): Do not sort already sorted VDEFs.
7703 2008-01-08 Jakub Jelinek <jakub@redhat.com>
7706 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
7708 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7711 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
7712 limitations of reciprocal sequences on x86 targets.
7714 2008-01-08 Richard Guenther <rguenther@suse.de>
7716 PR tree-optimization/34683
7717 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
7719 2008-01-07 Jakub Jelinek <jakub@redhat.com>
7722 * config/darwin.c (darwin_mergeable_string_section): Don't use
7723 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
7725 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
7728 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
7729 negxf2. Macroize expander using X87MODEF mode iterator. Change
7730 predicates of op0 and op1 to register_operand.
7731 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
7732 expander using X87MODEF mode iterator. Change predicates of
7733 op0 and op1 to register_operand.
7734 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
7735 corresponding patterns and macroize using MODEF macro. Change
7736 predicates of op0 and op1 to register_operand and remove
7737 "m" constraint. Disparage "r" alternative with "!".
7738 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
7739 macroize using X87MODEF macro. Change predicates of op0 and op1
7740 to register_operand and remove "m" constraint. Disparage "r"
7741 alternative with "!".
7742 (absneg splitter with memory operands): Remove.
7743 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
7744 patterns and macroize using X87MODEF mode iterator.
7745 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
7746 Change predicate of op1 to register_operand.
7747 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
7748 for memory operands.
7750 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
7752 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
7754 2008-01-07 Richard Guenther <rguenther@suse.de>
7756 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
7759 2008-01-07 Richard Guenther <rguenther@suse.de>
7761 PR tree-optimization/34683
7762 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
7763 VOPs of the needed size to save memory. Use VEC_quick_push
7764 to save compile-time.
7765 (vdefs_to_vec): Likewise.
7767 2008-01-07 Sa Liu <saliu@de.ibm.com>
7769 * config/spu/spu.md (divdf3): Genetate inline code for double
7770 division. The implementation doesn't handle INF or NAN, therefore it
7771 only applies when -ffinite-math-only is given.
7773 2008-01-06 Paolo Carlini <pcarlini@suse.de>
7776 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
7777 * doc/cpp.texi ([Common Predefined Macros]): Document.
7779 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
7781 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
7782 order to use commutative addition instead of subtraction.
7784 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7785 Mircea Namolaru <namolaru@il.ibm.com>
7786 Vladimir Yanovsky <yanov@il.ibm.com>
7787 Revital Eres <eres@il.ibm.com>
7789 PR tree-optimization/34263
7790 * tree-outof-ssa.c (process_single_block_loop_latch,
7791 contains_tree_r): New functions.
7792 (analyze_edges_for_bb): Call process_single_block_loop_latch
7793 function to empty single-basic-block latch block if possible.
7795 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7797 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7799 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7801 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7803 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7805 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7807 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7809 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7811 PR tree-optimization/34618
7812 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7815 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7818 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7819 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7820 Update copyright year.
7822 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7823 Update copyright year.
7824 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7827 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7829 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7830 edge does not point to current bb before changing need_assert.
7832 2008-01-04 Richard Guenther <rguenther@suse.de>
7835 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7836 for verifying purposes if they are is_gimple_min_invariant.
7838 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7840 PR tree-optimization/34448
7841 PR tree-optimization/34465
7842 * gimplify.c (gimplify_init_constructor): Add new parameter
7843 notify_temp_creation. Use it.
7844 (gimplify_modify_expr_rhs): Take volatiles into account when
7845 optimizing constructors.
7846 Do not optimize constructors if gimplify_init_constructor will dump to
7848 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7849 * gcc.c-torture/compile/pr34448.c: New.
7851 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7853 PR gcov-profile/34609
7854 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7855 return_slot if result is TREE_ADDRESSABLE.
7857 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7859 * config/mips/mips.md (sqrt_condition): Tweak comment.
7860 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7862 2008-01-03 Tom Tromey <tromey@redhat.com>
7865 * c-common.c (c_type_hash): Handle VLAs.
7867 2008-01-03 Jan Hubicka <jh@suse.cz>
7869 PR tree-optimization/31081
7870 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7871 0 when inlining and not inlining to first basic block.
7872 (remap_decl): When var is initialized to 0, don't set default_def.
7873 (expand_call_inline): Set entry_bb.
7874 * tree-inline.h (copy_body_data): Add entry_bb.
7876 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7879 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7882 PR tree-optimization/29484
7883 * tree-inline.c (inline_forbidden_p_2): New function.
7884 (inline_forbidden_p): Disallow inlining if some static var
7885 has an address of a local LABEL_DECL in its initializer.
7886 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7889 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7891 PR tree-optimization/34635
7892 * tree-data-ref.c (add_other_self_distances): Make sure that the
7893 evolution step is constant.
7895 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7898 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7900 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7902 * tree-sra.c (scalarize_init): Insert the generate_element_init
7903 statements after the generate_element_zero statements.
7905 2008-01-02 Richard Guenther <rguenther@suse.de>
7909 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7910 for very large number of operands instead of ICEing.
7912 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7915 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7916 while stack probing.
7918 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7920 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7923 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7926 * tree-mudflap.c (mx_register_decls): Guard warning by
7927 !DECL_ARTIFICIAL check.
7929 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7931 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7932 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7933 sse5_perm<mode>): Fix constraints.