1 2008-04-30 H.J. Lu <hongjiu.lu@intel.com>
3 * config/i386/i386.c (ix86_builtin_type): Add
4 FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
5 V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
6 V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
7 V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
8 V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
9 V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
10 V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
11 V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
12 V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
13 V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
14 V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
15 V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
16 V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
17 V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
18 V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
19 V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
20 V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
21 V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
23 (bdesc_2arg): Moved to ...
25 (ix86_init_mmx_sse_builtins): Updated.
26 (ix86_expand_args_builtin): Updated. Take a pointer
27 to const struct builtin_description. Handle comparison
29 (ix86_expand_sse_compare): Take a new argument for swapping
31 (ix86_expand_builtin): Updated.
33 * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
34 (ssse3_pmaddubsw128): This.
35 (ssse3_pmaddubswv4hi3): Renamed to ...
36 (ssse3_pmaddubsw): This.
38 * doc/extend.texi (__builtin_ia32_packsswb128): Correct
40 (__builtin_ia32_packssdw128): Likewise.
41 )__builtin_ia32_packuswb128): Likewise.
42 (__builtin_ia32_pmaddubsw): Likewise.
43 (__builtin_ia32_pmaddubsw128): Likewise.
45 2008-04-30 Richard Guenther <rguenther@suse.de>
47 PR tree-optimization/14847
48 * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
49 (recognize_bits_test): Use it.
50 (recognize_single_bit_test): Likewise.
52 2008-04-30 Martin Jambor <mjambor@suse.cz>
54 * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
55 instead of setting number of formal parameters to zero.
56 (ipcp_init_stage): Do not set the number of actual parameters to zero
58 (ipcp_propagate_stage): Explicitly skipping all calls to nodes
59 which are called with variable number of arguments.
60 (ipcp_insert_stage): Explicitely skipping all nodes which are
61 called with variable number of arguments.
62 (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
65 * ipa-prop.h (struct ipa_node_params): Added flag
66 called_with_var_arguments
67 (ipa_set_param_count): Added. Changed sole setter to use it.
68 (ipa_get_param_count): Added. All readers of param_count
69 converted to use it instead.
70 (ipa_set_called_with_variable_arg): Added.
71 (ipa_is_called_with_var_arguments): Added.
72 (ipa_get_ith_param): Added. All readers of param_decls converted
74 (ipa_set_cs_argument_count): Added, sole writer to argument_count
76 (ipa_get_cs_argument_count): Added, all readers of argument_count
78 (ipa_get_ith_jump_func): Added. Accessors of jump values changed
81 * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
82 (struct ipcp_lattice): Renamed cval_type to type
83 (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
85 * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
86 (ipcp_cval_set_cvalue): Changed type of parameter value to tree
87 (ipcp_insert_stage): Changed the type of variable cvalue to tree
88 (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
89 (build_const_val): Changed the type of parameter cvalue to tree
90 (ipcp_propagate_const): Changed the type of parameter cvalue to tree
91 (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
93 * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
96 * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
97 (ipa_methodlist_not_empty): Removed, the sole user now checks directly
98 (ipa_add_method): Renamed to ipa_push_func_to_list
99 (ipa_remove_method): Renamed to ipa_pop_func_from_list
100 (ipa_callsite_param_count): Removed.
101 (ipa_callsite_param_count_set): Removed.
102 (ipa_callsite_param): Removed.
103 (ipa_callsite_callee): Removed.
104 (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
105 (ipa_callsite_compute_count): Renamed to ipa_count_arguments
106 (ipa_method_formal_count): Removed.
107 (ipa_method_formal_count_set): Removed.
108 (ipa_method_get_tree): Removed.
109 (ipa_method_tree_map_create): Removed.
110 (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
111 (ipa_create_param_decls_array): Creates the array itself
112 (ipa_create_param_decls_array): Temporary variable info instead of
114 (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
115 (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
117 (ipa_jf_get_info_type): Removed.
118 (ipa_node_create): Renamed to ipa_create_node_params
119 (ipa_free): Renamed to ipa_free_all_node_params
120 (ipa_nodes_create): Renamed to ipa_create_all_node_params
121 (ipa_edges_create): Renamed to ipa_create_all_edge_args
122 (ipa_edges_free): Renamed to ipa_free_all_edge_args
123 (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
124 (ipa_free_all_node_params): Deallocation to jump_functions moved to
125 ipa_free_all_edge_args
126 (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
127 (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
128 (ipa_create_methodlist_node): Removed.
129 (ipa_methodlist_method): Removed.
130 (ipa_methodlist_method_set): Removed.
131 (ipa_methodlist_next_method): Removed.
132 (ipa_methodlist_next_method_set): Removed.
133 (ipa_method_is_modified): Removed.
134 (ipa_method_modify_create): Removed.
135 (ipa_method_modify_init): Temporary variable info instead of a few
137 (ipa_detect_param_modifications): Temporary variable info instead of
139 (ipa_compute_jump_functions): Temporary variable info instead of
141 (ipa_method_modify_set): Removed.
142 (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
143 (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
144 than craph_node as the first parameter.
145 (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
146 (ipa_method_modify_init): Removed.
147 (ipa_compute_jump_functions): Added a temp variable instead of
148 repeatadly dereferencing the cgraph_edge.aux pointer
149 (ipa_callsite_param_set_type): Removed.
150 (ipa_compute_jump_functions): i renamed to index and moved to
152 (ipa_callsite_param_set_info_type_formal): Removed.
153 (ipa_callsite_param_set_info_type): Removed.
154 (ipa_callsite_param_map_create): Removed.
155 (ipa_callsite_tree): Removed.
156 (ipa_callsite_caller): Removed.
157 (ipa_pop_func_from_list): return_method removed to return_func
159 * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
160 prefixed all values with IPA_. Changed all users.
161 (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
162 CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
163 and FORMAL_IPATYPE IPA_PASS_THROUGH.
164 (union parameter_info): Renamed to jump_func_value.
165 (union jump_func_value): Renamed value to constant
166 (struct ipa_jump_func): Renamed info_type to value
167 (struct ipa_node): Renamed to ipa_node_params
168 (struct ipa_node_params): Renamed ipa_arg_num to param_count
169 (struct ipa_node_params): Renamed ipa_param_tree to param_decls
170 (struct ipa_node_params): Renamed ipa_mod to modified_flags
171 (struct ipa_edge): Renamed to ipa_edge_args
172 (struct ipa_edge_args): Renamed ipa_param_num to argument_count
173 (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
174 (struct ipa_methodlist): Renamed to ipa_func_list
175 (struct ipa_func_list): method_p renamed to node, next_method
177 (ipa_methodlist_p): Removed, switched all users to struct pointer
178 (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
180 2008-04-30 Alan Modra <amodra@bigpond.net.au>
182 * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
183 (rs6000_emit_epilogue): Use backchain to restore only when we
184 have a large frame. Make use of frame pointer to restore if we
185 have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
187 2008-04-29 Paolo Bonzini <bonzini@gnu.org>
189 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
190 Add mode to zero_extract.
191 (sign bit tests peepholes): (Ditto.).
193 2008-04-29 H.J. Lu <hongjiu.lu@intel.com>
195 * config/i386/i386.c (ix86_builtins): Replace Prescott New
196 Instructions in comments with SSE3.
197 (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128,
198 INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
199 INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
200 V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
201 V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
202 V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
203 V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
204 V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
205 V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
206 V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
207 V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
208 V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
209 (bdesc_sse_args): Renamed to ...
210 (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
211 IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
212 IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
214 (bdesc_1arg): Moved to ...
216 (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New
217 Instructions in comments with SSE3.
218 (ix86_expand_sse_operands_builtin): Renamed to ...
219 (ix86_expand_args_builtin): This. Updated.
220 (ix86_expand_unop1_builtin): Update comments.
221 (ix86_expand_builtin): Updated.
223 2008-04-29 Richard Guenther <rguenther@suse.de>
225 PR tree-optimization/36078
226 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
227 Update virtual SSA form after cleaning up the CFG.
229 2008-04-29 Richard Guenther <rguenther@suse.de>
232 * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
234 2008-04-29 Richard Guenther <rguenther@suse.de>
236 * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
237 (compute_may_aliases): Do not call finalize_ref_all_pointers.
238 (compute_flow_insensitive_aliasing): Do not treat
239 PTR_IS_REF_ALL pointers special.
240 (get_smt_for): Likewise.
241 (may_alias_p): Re-structure.
242 (is_escape_site): A ref-all pointer conversion is not an escape site.
243 * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
244 PTR_IS_REF_ALL pointers special.
245 * tree-ssa-structalias.h (struct alias_info): Remove
246 ref_all_symbol_mem_tag field.
247 (PTR_IS_REF_ALL): Remove.
249 2008-04-29 Richard Guenther <rguenther@suse.de>
252 * fold-const.c (extract_muldiv_1): In combining division constants
253 make sure to never overflow.
255 2008-04-29 Nick Clifton <nickc@redhat.com>
257 * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
259 2008-04-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
262 * optc-gen.awk: Work around HP-UX/IA awk bug.
264 2008-04-28 Danny Smith <dannysmith@users.sourceforge.net>
266 * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
269 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
272 * config/i386/i386.md
273 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
274 Change operand 1 predicate to nonimmediate_operand.
276 2008-04-28 Jakub Jelinek <jakub@redhat.com>
279 * dwarf2out.c (struct die_struct): Mark as chain_circular through
281 * gengtype.c (walk_type, write_func_for_structure): Handle
283 * doc/gty.texi: Document chain_circular.
285 2008-04-28 Richard Guenther <rguenther@suse.de>
287 PR tree-optimization/36066
288 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
291 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
294 * config/i386/i386.md
295 (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
296 Use match_scratch instead of match_operand for operands 3 and 4.
298 2008-04-27 Richard Guenther <rguenther@suse.de>
300 PR tree-optimization/18754
301 PR tree-optimization/34223
302 * tree-pass.h (pass_complete_unrolli): Declare.
303 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
304 loop size before and after unconditionally of UL_NO_GROWTH in effect.
305 Rewrite loop into loop closed SSA form if it is not already.
306 (tree_unroll_loops_completely): Re-structure to iterate over
307 innermost loops with intermediate CFG cleanups.
308 Unroll outermost loops only if requested or the code does not grow
310 * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
312 (tree_vectorize): Instead do so here.
313 (tree_complete_unroll): Also unroll outermost loops.
314 (tree_complete_unroll_inner): New function.
315 (gate_tree_complete_unroll_inner): Likewise.
316 (pass_complete_unrolli): New pass.
317 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
318 uses outside of the loop.
319 (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
320 form if it is available.
321 * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
322 * passes.c (init_optimization_passes): Schedule complete inner
323 loop unrolling pass before the first CCP pass after final inlining.
325 2008-04-27 Nathan Sidwell <nathan@codesourcery.com>
327 * targhooks.h (default_emutls_var_fields,
328 default_emutls_var_init): Declare.
329 * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
330 * target.h (struct gcc_target): Add struct emutls member.
331 * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
332 TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
333 TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
334 TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
335 TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
336 TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
337 (TARGET_INITIALIZER): Add TARGET_EMUTLS.
338 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
339 BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
340 * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
341 emit debug information.
342 * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
343 * varasm.c: Include targhooks.h.
344 (emutls_object_section, emutls_tmpl_section): New.
345 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
346 (EMUTLS_SEPARATOR): New.
348 (get_emutls_object_name): New.
349 (default_emutls_var_fields): New, broken out of ...
350 (get_emutls_object_type): ... here. Adjust to use target hooks.
351 (get_emutls_init_templ_addr): Adjust to use target hooks.
352 (emutls_decl): Adjust to use target hooks.
353 (emutls_finish): Likewise.
354 (default_emutls_var_init): New, broken out of ...
355 (assemble_variable): ... here. Adjust to use target hooks.
356 * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
358 * c-common.c (handle_section_attribute): Prevent overriding
359 sections for emulated tls with special sections.
360 * config/i386/i386.c (x86_64_elf_select_section): Add
361 SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
362 (x86_64_elf_unique_section): Likewise.
363 * config/vxworks.c: Include tree.h.
364 (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
365 (vxworks_override_options): Set TLS scheme.
366 * doc/tm.texi (Emulated TLS): New node.
368 2008-04-26 Simon Baldwin <simonb@google.com>
371 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
372 with propagated string constants.
374 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
376 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
377 constraint for operand 2 when operand 0 is memory operand.
378 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
379 operand 0 is memory operand.
380 (fix_trunc<mode>_i387_with_temp): Ditto.
381 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
382 operand 2 when operand 1 is memory operand.
383 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
384 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
385 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
386 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
387 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
388 operands 2,3 and 4 when operand 1 is memory operand.
389 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
391 (fistdi2_floor_with_temp): Ditto.
392 (fist<mode>2_floor_with_temp): Ditto.
393 (fistdi2_ceil_with_temp): Ditto.
394 (fist<mode>2_ceil_with_temp): Ditto.
395 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
397 2008-04-26 David Daney <ddaney@avtrex.com>
399 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
401 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
402 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
403 UNSPEC_UPDATE_GOT_VERSION): Renumber.
404 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
405 (compare_and_swap_12): New insn.
406 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
407 * config/mips/mips.c (mips_force_binary): New function.
408 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
409 (mips_expand_compare_and_swap_12): New function.
410 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
412 2008-04-25 Jan Hubicka <jh@suse.cz>
415 * cfgexpand.c (pass_expand): Turn into RTL pass.
416 * passes.c (execute_one_pass): Do pass typechecking after execution.
417 * tree-pass.h (pass_expand): Turn into RTL pass.
419 * function.h (struct rtl_data): Move here fields
420 accesses_prior_frames, calls_eh_return, saves_all_registers,
421 has_nonlocal_goto, has_asm_statement, is_thunk,
422 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
423 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
424 arg_pointer_save_area_init from struct function; turn into bool.
425 (struct function): Move
426 calls_eh_return, saves_all_registers, has_nonlocal_goto,
427 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
428 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
429 tail_call_emit, arg_pointer_save_area_init
430 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
431 (current_function_returns_struct, current_function_returns_pcc_struct,
432 current_function_calls_setjmp, current_function_calls_alloca,
433 current_function_accesses_prior_frames,
434 current_function_calls_eh_return, current_function_is_thunk,
435 current_function_stdarg, current_function_profile,
436 current_function_limit_stack, current_function_uses_pic_offset_table,
437 current_function_uses_const_pool, current_function_has_nonlocal_label,
438 current_function_saves_all_registers,
439 current_function_has_nonlocal_goto,
440 current_function_has_asm_statement): Remove accesor macros.
441 * ra-conflict.c (global_conflicts): Update.
442 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
443 (suitable_for_tail_call_opt_p): Update.
444 * builtins.c (expand_builtin_return_addr): Update.
445 (expand_builtin_setjmp_setup): Update.
446 (expand_builtin_nonlocal_goto): Update.
447 * final.c (final_start_function): Update.
448 (profile_function): Update.
449 (leaf_function_p): Update.
450 (only_leaf_regs_used): Update.
451 * df-scan.c (df_get_exit_block_use_set): Update.
452 * dojump.c (clear_pending_stack_adjust): Update.
453 * tree-stdarg.c (gate_optimize_stdarg): Update.
454 * gimple-low.c (lower_function_body): Update.
455 * global.c (compute_regsets): Update.
456 (global_alloc): Update.
457 * dwarf2out.c (dwarf2out_begin_prologue): Update.
458 * expr.c (expand_assignment): Update.
459 * dse.c (dse_step0): Update.
461 * c-decl.c (store_parm_decls): Update.
462 * local-alloc.c (combine_regs): Update.
463 (find_free_reg): Update.
464 * function.c (assign_parms_augmented_arg_list): Update.
465 (assign_parm_find_data_types): Update.
466 (assign_parms): Update.
467 (allocate_struct_function): Update.
468 (expand_function_start): Update.
469 (expand_function_end): Update.
470 (get_arg_pointer_save_area): Update.
471 (thread_prologue_and_epilogue_insns): Update.
472 (rest_of_match_asm_constraints): Update.
473 * stor-layout.c (variable_size): Update.
474 * gcse.c (gcse_main): Update.
475 (bypass_jumps): Update.
476 * gimplify.c (gimplify_function_tree): Update.
477 * calls.c (emit_call_1): Update.
478 (expand_call): Update.
479 * bt-load.c (compute_defs_uses_and_gen): Update.
480 * except.c (sjlj_assign_call_site_values): Update.
481 (sjlj_emit_function_enter): Update.
482 (can_throw_external): Update.
483 (set_nothrow_function_flags): Update.
484 (expand_builtin_unwind_init): Update.
485 (expand_eh_return): Update.
486 (convert_to_eh_region_ranges): Update.
487 (output_function_exception_table): Update.
488 * emit-rtl.c (gen_tmp_stack_mem): Update.
489 * cfgexpand.c (expand_used_vars): Update.
490 (tree_expand_cfg): Update.
491 * cfgcleanup.c (rest_of_handle_jump): Update.
492 * explow.c (allocate_dynamic_stack_space): Update.
493 * varasm.c (assemble_start_function): Update.
494 (force_const_mem): Update.
495 (mark_constant_pool): Update.
496 * tree-optimize.c (tree_rest_of_compilation): Update.
497 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
498 * tree-cfg.c (notice_special_calls): Update.
499 (is_ctrl_altering_stmt): Update.
500 (tree_can_make_abnormal_goto): Update.
501 (tree_purge_dead_abnormal_call_edges): Update.
502 * config/alpha/predicates.md: Update.
503 * config/alpha/alpha.c (alpha_sa_mask): Update.
504 (alpha_sa_size): Update.
505 (alpha_does_function_need_gp): Update.
506 (alpha_expand_prologue): Update.
507 (alpha_start_function): Update.
508 (alpha_output_function_end_prologue): Update.
509 (alpha_expand_epilogue): Update.
510 * config/frv/frv.c (frv_stack_info): Update.
511 (frv_expand_epilogue): Update.
512 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
513 (s390_register_info): Update.
514 (s390_frame_info): Update.
515 (s390_init_frame_layout): Update.
516 (s390_can_eliminate): Update.
518 * config/spu/spu.c (spu_split_immediate): Update.
519 (need_to_save_reg): Update.
520 (spu_expand_prologue): Update.
521 (spu_expand_epilogue): Update.
522 * config/sparc/sparc.md: Update.
523 * config/sparc/sparc.c (eligible_for_return_delay): Update.
524 (sparc_tls_got): Update.
525 (legitimize_pic_address): Update.
526 (sparc_emit_call_insn): Update.
527 (sparc_expand_prologue): Update.
528 (output_return): Update.
529 (print_operand): Update.
530 (sparc_function_ok_for_sibcall): Update.
531 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
532 * config/m32r/m32r.md: Update.
533 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
534 (m32r_compute_frame_size): Update.
535 (m32r_expand_prologue): Update.
536 (m32r_expand_epilogue): Update.
537 (m32r_legitimize_pic_address): Update.
538 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
539 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
540 * config/i386/i386.c (ix86_frame_pointer_required): Update.
542 (ix86_save_reg): Update.
543 (ix86_compute_frame_layout): Update.
544 (ix86_expand_prologue): Update.
545 (ix86_expand_epilogue): Update.
546 * config/sh/sh.c (output_stack_adjust): Update.
547 (calc_live_regs): Update.
548 (sh5_schedule_saves): Update.
549 (sh_expand_prologue): Update.
550 (sh_expand_epilogue): Update.
551 (sh_setup_incoming_varargs): Update.
552 (sh_allocate_initial_value): Update.
553 (sh_get_pr_initial_val): Update.
554 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
555 * config/sh/sh.md (label:): Update.
556 * config/avr/avr.c (out_movhi_mr_r): Update.
557 * config/crx/crx.h (enum): Update.
558 * config/xtensa/xtensa.h (along): Update.
559 * config/stormy16/stormy16.c Update.
560 (xstormy16_compute_stack_layout): Update.
561 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
562 (fr30_expand_prologue): Update.
563 * config/cris/cris.c (cris_conditional_register_usage): Update.
564 (cris_reg_saved_in_regsave_area): Update.
565 (cris_initial_frame_pointer_offset): Update.
566 (cris_simple_epilogue): Update.
567 (cris_expand_prologue): Update.
568 (cris_expand_epilogue): Update.
569 (cris_expand_pic_call_address): Update.
570 (cris_asm_output_symbol_ref): Update.
571 (cris_asm_output_label_ref): Update.
572 * config/cris/cris.md Update.
573 * config/iq2000/iq2000.c (compute_frame_size): Update.
574 (iq2000_expand_epilogue): Update.
575 * config/mt/mt.h (save_direction): Update.
576 * config/mn10300/mn10300.c (mn10300_function_value): Update.
577 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
578 (ia64_secondary_reload_class): Update.
579 * config/m68k/m68k.c (m68k_save_reg): Update.
580 (m68k_expand_prologue): Update.
581 (m68k_expand_epilogue): Update.
582 (legitimize_pic_address): Update.
583 * config/rs6000/rs6000.c (rs6000_got_register): Update.
584 (first_reg_to_save): Update.
585 (first_altivec_reg_to_save): Update.
586 (compute_vrsave_mask): Update.
587 (compute_save_world_info): Update.
588 (rs6000_stack_info): Update.
589 (spe_func_has_64bit_regs_p): Update.
590 (rs6000_ra_ever_killed): Update.
591 (rs6000_emit_eh_reg_restore): Update.
592 (rs6000_emit_allocate_stack): Update.
593 (rs6000_emit_prologue): Update.
594 (rs6000_emit_epilogue): Update.
595 (rs6000_output_function_epilogue): Update.
596 (output_profile_hook): Update.
597 (rs6000_elf_declare_function_name): Update.
598 * config/rs6000/rs6000.h (rs6000_args): Update.
599 * config/rs6000/rs6000.md: Update.
600 * config/mcore/mcore.c (mcore_expand_prolog): Update.
601 * config/arc/arc.c (arc_output_function_epilogue): Update.
602 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
603 * config/darwin.c (machopic_function_base_name): Update.
604 * config/score/score3.c (score3_compute_frame_size): Update.
607 (score3_epilogue): Update.
608 * config/score/score7.c (score7_compute_frame_size): Update.
609 (score7_prologue): Update.
610 (score7_epilogue): Update.
611 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
612 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
613 * config/arm/arm.c (use_return_insn): Update.
614 (require_pic_register): Update.
615 (arm_load_pic_register): Update.
616 (arm_compute_save_reg0_reg12_mask): Update.
617 (arm_compute_save_reg_mask): Update.
618 (thumb1_compute_save_reg_mask): Update.
619 (output_return_instruction): Update.
620 (arm_output_function_prologue): Update.
621 (arm_output_epilogue): Update.
622 (arm_get_frame_offsets): Update.
623 (arm_expand_prologue): Update.
624 (thumb_pushpop): Update.
625 (thumb_exit): Update.
626 (thumb1_expand_prologue): Update.
627 (thumb1_expand_epilogue): Update.
628 (arm_unwind_emit): Update.
629 (arm_output_fn_unwind): Update.
630 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
631 * config/arm/arm.md: Update.
632 * config/pa/pa.md: Update.
633 * config/pa/pa.c (legitimize_pic_address): Update.
634 (compute_frame_size): Update.
635 (hppa_expand_prologue): Update.
636 (hppa_expand_epilogue): Update.
637 (borx_reg_operand): Update.
638 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
639 (HARD_REGNO_RENAME_OK): Update.
640 * config/mips/mips.c (mips_global_pointer): Update.
641 (mips_save_reg_p): Update.
642 (mips_compute_frame_info): Update.
643 (mips_frame_pointer_required): Update.
644 (mips_expand_prologue): Update.
645 (mips_expand_epilogue): Update.
646 (mips_can_use_return_insn): Update.
647 (mips_reorg_process_insns): Update.
648 * config/v850/v850.c (compute_register_save_size): Update.
649 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
650 * config/mmix/mmix.c (along): Update.
651 (mmix_expand_epilogue): Update.
652 * config/bfin/bfin.c (legitimize_pic_address): Update.
653 (must_save_p): Update.
654 (stack_frame_needed_p): Update.
655 (add_to_reg): Update.
656 (bfin_expand_prologue): Update.
657 * stmt.c (expand_asm_operands): Update.
658 * reload1.c (reload): Update.
659 (init_elim_table): Update.
661 2008-04-25 Bob Wilson <bob.wilson@acm.org>
663 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
665 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
667 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with
669 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
670 (mov<mode>): Removed.
671 (*movv4sf_internal): Likewise.
672 (*movv2df_internal): Likewise.
674 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
676 * config.gcc (crx-*-elf): Remove deprecation.
678 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
680 * config/i386/cygming-crtend.c (register_frame_ctor): Register
681 __gcc_deregister_frame with atexit.
682 (deregister_frame_dtor): Remove.
684 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
685 Nathan Sidwell <nathan@codesourcery.com>
687 * config/rs6000/rs6000.opt (mspe): Remove Var property.
689 * config/rs6000/rs6000.h (rs6000_spe): Declare.
690 (rs6000_isel): Likewise.
691 * config/rs6000/rs6000.c (rs6000_spe): New variable.
692 (rs6000_isel): New variable.
693 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
695 2008-04-24 Jakub Jelinek <jakub@redhat.com>
698 * c-common.c (handle_vector_size_attribute): Call
699 lang_hooks.types.reconstruct_complex_type instead of
700 reconstruct_complex_type.
701 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
702 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
703 * langhooks.h (struct lang_hooks_for_types): Add
704 reconstruct_complex_type hook.
705 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
706 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
708 2008-04-24 Richard Guenther <rguenther@suse.de>
710 * c-common.h (check_builtin_function_arguments): Declare.
711 * c-common.c (validate_nargs): New function.
712 (check_builtin_function_arguments): Likewise.
713 * c-typeck.c (build_function_call): Call
714 check_builtin_function_arguments.
715 * builtins.c (fold_builtin_classify): Remove error reporting code.
716 (fold_builtin_unordered_cmp): Likewise.
717 (fold_builtin_1): Likewise.
718 (fold_builtin_n): Likewise.
720 2008-04-24 Jakub Jelinek <jakub@redhat.com>
722 PR tree-optimization/36008
723 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
724 the original op1, rather than delta by step.
726 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
727 Sebastian Pop <sebastian.pop@amd.com>
729 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
730 eliminate_local_variables_stmt, eliminate_local_variables,
731 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
732 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
733 of code delimited by two edges in the CFG.
734 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
735 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
736 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
737 the case of parallelisation of reductions.
738 (expr_invariant_in_region_p): New.
740 * tree-flow.h (gather_blocks_in_sese_region): Declared.
741 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
743 2008-04-24 Ira Rosen <irar@il.ibm.com>
744 Richard Guenther <rguenther@suse.de>
746 PR tree-optimization/36034
747 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
748 incapable of dealing with loads with gaps.
750 2008-04-24 Rafael Espindola <espindola@google.com>
752 * tree-flow.h (vrp_evaluate_conditional): Change signature.
753 * tree-ssa-propagate.c (fold_predicate_in): Update call to
754 vrp_evaluate_conditional.
755 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
756 (vrp_evaluate_conditional): Split the cond argument.
757 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
758 (simplify_stmt_for_jump_threading): Update call to
759 vrp_evaluate_conditional.
761 2008-04-24 Ira Rosen <irar@il.ibm.com>
763 PR tree-optimization/35982
764 * tree-vect-analyze.c (vect_check_interleaving): Check that the
765 interleaved data-refs are of the same type.
767 2008-04-24 Danny Smith <dannysmith@users.net>
769 * c-format.c (check_format_info_main): Use strncmp rather than a
770 magic prefix to handle multichar length specs.
771 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
772 Don't prefix "I64" and "I32" with '\0'.
774 2008-04-24 Jakub Jelinek <jakub@redhat.com>
777 * config/i386/i386.c (init_cumulative_args): Don't pass anything
778 in registers for -m32 only if stdarg_p (fntype).
780 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
782 PR rtl-optimization/36006
783 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
784 temp to op0 in order to avoid invalid rtx sharing.
786 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
788 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
789 check TREE_INVARIANT.
790 * tree-gimple.c (is_gimple_address): New.
791 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
792 * tree-gimple.h (is_gimple_address): New.
793 * tree.h (decl_address_invariant_p): New.
794 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
795 (build_string): Likewise.
796 (decl_address_invariant_p): New, from is_gimple_invariant_address.
797 (tree_invariant_p_1): Likewise.
799 (tree_invariant_p): New.
800 (skip_simple_arithmetic): Use it.
801 (stabilize_reference_1): Use it.
802 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
804 (build1_stat): Drop code to compute TREE_INVARIANT.
805 (build2_stat): Drop code to compute TREE_INVARIANT.
806 (build3_stat): Drop code to compute TREE_INVARIANT.
807 (build4_stat): Drop code to compute TREE_INVARIANT.
808 (build5_stat): Drop code to compute TREE_INVARIANT.
809 (build7_stat): Drop code to compute TREE_INVARIANT.
810 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
811 * tree.h (struct tree_base): Remove invariant_flag.
812 (TREE_INVARIANT): Remove.
813 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
814 (fold_builtin_expect): Check TREE_CONSTANT.
815 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
816 * c-tree.h (c_expr_to_decl): Drop third parameter.
817 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
818 (build_c_cast): Don't set TREE_INVARIANT.
819 (pop_init_level): Don't set TREE_INVARIANT.
820 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
821 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
823 (gimplify_init_constructor): Don't set TREE_INVARIANT.
824 (gimplify_addr_expr): Adjust comment.
825 * tree-mudflap.c (mf_build_string):
826 * print-tree.c (print_node): Don't print TREE_INVARIANT.
827 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
828 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
829 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
830 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
831 * langhooks.h (struct lang_hooks): Drop third parameter from
834 2008-04-23 Richard Guenther <rguenther@suse.de>
836 PR tree-optimization/27799
837 PR tree-optimization/32921
838 PR tree-optimization/32624
839 * tree-ssa-structalias.c (merge_smts_into): Only merge the
840 SMTs aliases and the tag itself into the solution.
841 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
842 merge the points-to solution back into the SMT aliases.
843 (may_alias_p): Use alias_set_subset_of instead of
844 aliases_conflict_p. A pointer which points to
845 memory with alias set zero may access any variable.
847 2008-04-23 Richard Guenther <rguenther@suse.de>
849 * alias.c (alias_set_subset_of): Correctly handle asking
850 if zero is a subset of an alias set with zero child.
851 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
852 (compute_flow_insensitive_aliasing): Correctly walk all
853 pointers. Do not unnecessarily union sets.
855 2008-04-23 Richard Guenther <rguenther@suse.de>
858 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
860 2008-04-22 Tomas Bily <tbily@suse.cz>
862 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
864 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
866 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
867 * tree-ssa-structalias.c (get_constraint_for): Likewise.
868 * tree-inline.c (estimate_num_insns_1): Likewise.
869 * varasm.c (const_hash_1, compare_constant, copy_constant)
870 (compute_reloc_for_constant, output_addressed_constants): Likewise.
871 * emit-rtl.c (component_ref_for_mem_expr)
872 (set_mem_attributes_minus_bitpos): Likewise.
873 * expr.c (highest_pow2_factor, expand_expr_real_1, )
874 (is_aligning_offset): Likewise.
875 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
876 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
877 * dojump.c (do_jump): Likewise.
878 * builtins.c (get_pointer_alignment, get_memory_rtx)
879 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
880 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
882 2008-04-23 Jakub Jelinek <jakub@redhat.com>
884 PR rtl-optimization/36017
885 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
886 expanding the library call.
888 2008-04-22 Ian Lance Taylor <iant@google.com>
890 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
893 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
895 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
896 of LR/CTR moves for Power6.
898 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
901 * passes.c (init_optimization_passes): Remove
902 pass_fast_rtl_byte_dce.
904 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
907 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
908 builtin functions to generate faster code.
909 (_mm_cvtpu16_ps): Ditto.
910 (_mm_cvtpi32x2_ps): Ditto.
912 2008-04-22 Nick Clifton <nickc@redhat.com>
914 * common.opt (ftree-loop-distribution): Add Optimization
917 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
918 (frv_expand_builtin_va_start): Likewise.
920 * config/arm/arm.c (thumb_find_work_register): Fix location of
921 argument register count.
923 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
925 Support scheduling for ColdFire V1 and V3 microarchitecture.
926 Improve scheduling of multiplication instructions.
928 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
929 (mac): New instruction attribute.
930 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
931 (m68k_sched_mac): New variable.
932 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
933 Handle cfv1 and cfv3.
934 (max_insn_size): New static variable.
935 (struct _sched_ib): New type.
936 (sched_ib): New static variable.
937 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
938 to fields of 'struct _sched_ib sched_ib'. Update all uses.
939 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
941 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
942 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
943 new variables. Update.
944 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
945 Add modeling of cfv3 instruction buffer. Update.
946 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
947 * config/m68k/m68k.h (TUNE_CFV3): New macro.
948 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
949 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
950 a particular reservation applies to.
951 (type2): Reorganize attribute values. Rename alu to alu_reg,
952 alu_l to alu, move_l to omove. Join move to alu. Split mul
954 (cf_ib_*): Simplify description of instruction buffer.
955 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
956 (cf_mem): Split into cf_mem1 and cf_mem2.
957 (cf_v2_move_??): Rename to cfv12_alu_??.
958 (cf_v2_move_l_??): Rename to cfv12_omove_??.
959 (cf_v2_mul_??): Remove reservations.
960 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
961 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
962 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
964 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
965 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
966 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
967 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
968 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
969 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
970 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
971 expansions of the above reservations for instructions of sizes
974 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
976 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
978 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
980 * coverage.c: Include tree-pass.h.
981 (coverage_counter_alloc): Print da_file_name to the dump file.
983 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
985 * sbitmap.c (sbitmap_range_empty_p): New function.
986 * sbitmap.h (sbitmap_range_empty_p): New function.
987 * bitmap.h: Now includes obstack.h.
989 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
990 Kenneth Zadeck <zadeck@naturalbridge.com>
992 * dbgcnt.def (ra_byte_scan): Added.
993 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
994 when the last hit happens for a counter.
995 * timevar.def (TV_DF_BYTE_LR): New variable.
996 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
997 * passes.c (pass_fast_rtl_byte_dce): New pass.
998 * fwprop.c (update_df): Added mode to call df_ref_create.
999 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1000 DF_REF_EXTRACT_OFFSET.
1001 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
1002 DF_BYTE_LR_OUT, df_byte_lr): New macro.
1004 (df_ref_extract): Added mode field.
1005 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1006 DF_REF_EXTRACT_OFFSET.
1007 (DF_REF_EXTRACT_MODE): New macro.
1008 (df_byte_lr_bb_info): New structure.
1009 (df_print_byte_regset, df_compute_accessed_bytes,
1010 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1011 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1012 df_byte_lr_simulate_uses,
1013 df_byte_lr_simulate_artificial_refs_at_top,
1014 df_byte_lr_simulate_artificial_refs_at_end,
1015 df_compute_accessed_bytes): New function.
1016 (df_ref_create): Add parameter.
1017 (df_byte_lr_get_bb_info): New inline function.
1018 * df-scan.c (df_ref_record, df_uses_record,
1019 df_ref_create_structure): Added mode parameter.
1020 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
1021 df_defs_record, df_uses_record, df_get_conditional_uses,
1022 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
1023 df_entry_block_defs_collect, df_exit_block_uses_collect):
1024 Added mode parameter to calls to df_ref_record, df_uses_record,
1025 df_ref_create_structure.
1026 (df_ref_equal_p, df_ref_compare): Added test for modes.
1027 (df_ref_create_structure): Added code to set mode. Renamed
1028 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1029 DF_REF_EXTRACT_OFFSET.
1030 * df-core.c (df_print_byte_regset): New function.
1031 * df-byte-scan.c: New file.
1032 * df-problems.c (df_rd_transfer_function): Removed unnecessary
1033 calls to BITMAP_FREE.
1034 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1035 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1036 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
1037 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
1038 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1039 df_byte_lr_local_compute, df_byte_lr_init,
1040 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
1041 df_byte_lr_transfer_function, df_byte_lr_free,
1042 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1043 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
1044 df_byte_lr_simulate_uses,
1045 df_byte_lr_simulate_artificial_refs_at_top,
1046 df_byte_lr_simulate_artificial_refs_at_end): New function.
1047 * dce.c (byte_dce_process_block): New function.
1048 (dce_process_block): au is now passed in rather than computed
1049 locally. Changed loops that look at artificial defs to not look
1050 for conditional or partial ones, because there never are any.
1051 (fast_dce): Now is able to drive byte_dce_process_block or
1052 dce_process_block depending on the kind of dce being done.
1053 (rest_of_handle_fast_dce): Add parameter to fast_dce.
1054 (rest_of_handle_fast_byte_dce): New function.
1055 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1056 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1058 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
1061 * gcc.h: Added fortran options that take arguments to
1062 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1065 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
1067 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1068 scalarization if on the LHS and not a full access.
1070 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1072 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1074 2008-04-18 Rafael Espindola <espindola@google.com>
1076 * tree-vrp.c (find_case_label_index): Fix the binary search.
1077 (find_case_label_range): New.
1078 (vrp_visit_switch_stmt): Use find_case_label_range.
1079 (simplify_switch_using_ranges): Use find_case_label_range.
1081 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
1083 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1084 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1086 2008-04-18 Tom Tromey <tromey@redhat.com>
1089 * doc/cpp.texi (Implementation-defined behavior): Mention
1092 2008-04-18 Ian Lance Taylor <iant@google.com>
1094 * fold-const.c (pointer_may_wrap_p): New static function.
1095 (fold_comparison): Add another test for pointer overflow. Use
1096 pointer_may_wrap_p to disable some false positives.
1098 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
1100 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1101 (fname_as_string): Match updated cpp_interpret_string prototype.
1102 (fix_string_type): Support char16_t* and char32_t*.
1103 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1104 derivative) nodes. Register as builtin if C++0x.
1105 (c_parse_error): Support CPP_CHAR{16,32}.
1106 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
1107 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1108 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1109 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1110 CTI_CHAR32_ARRAY_TYPE>: New elements.
1111 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1112 char32_type_node, signed_char32_type_node, char16_array_type_node,
1113 char32_array_type_node): New defines.
1114 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1115 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1116 (lex_string): Support CPP_STRING{16,32}, match updated
1117 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1118 (lex_charconst): Support CPP_CHAR{16,32}.
1119 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1120 and CPP_STRING{16,32}.
1122 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
1125 * aclocal.m4: Regenerate.
1126 * configure: Regenerate.
1128 2008-04-18 Jan Hubicka <jh@suse.cz>
1130 * except.c (dw2_size_of_call_site_table,
1131 sjlj_size_of_call_site_table): Use vector API for call_site_record.
1133 * cgraphbuild.c (build_cgraph_edges): Update.
1134 * tree-pass.h: Update comment.
1135 * final.c (leaf_function_p): Update.
1136 (leaf_renumber_regs): Update.
1137 (rest_of_clean_state): Update.
1138 * omp-low.c (expand_omp_parallel): Update.
1139 * ipa-reference.c (analyze_function): Update.
1140 * reorg.c (find_end_label): Update.
1141 (optimize_skip): Update.
1142 (fill_simple_delay_slots): Update.
1143 (fill_simple_delay_slots): Update.
1144 (make_return_insns): Update.
1145 (dbr_schedule): Update.
1146 * gimple-low.c (record_vars_into): Update.
1147 * cfgbuild.c (make_edges): Update.
1148 * function.c (assign_stack_local): Update.
1149 (assign_parm_adjust_stack_rtl): Update.
1150 (locate_and_pad_parm): Update.
1151 (allocate_struct_function): Do not initialize stack_alignment_needed
1152 and preferred_stack_boundary here.
1153 (stack_protect_prologue): Update.
1154 (stack_protect_epilogue): Update.
1155 (expand_function_start): Initialize stack_alignment_needed,
1156 preferred_stack_boundary and max_jumptable_ents.
1157 (expand_function_end): Update.
1158 (free_after_compilation): Do not NULLify epilogue_delay_list.
1159 * function.h (struct rtl_data): Add stack_protect_guard,
1160 stack_alignment_needed,
1161 preferred_stack_boundary, epilogue_delay_list.
1162 (struct function): Remove value_histograms, stack_alignment_needed,
1163 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1165 unexpanded_var_list, stack_protect_guard.
1166 (current_function_epilogue_delay_list): Remove.
1167 * ipa-type-escape.c (analyze_function): Update.
1168 * gimplify.c (pop_gimplify_context): Update comment.
1169 * calls.c (expand_call): Update.
1170 (emit_library_call_value_1): Update.
1171 * except.c (set_nothrow_function_flags): Update.
1172 * cfgexpand.c (get_decl_align_unit): Update.
1173 (create_stack_guard): Update.
1174 (estimated_stack_frame_size): Update.
1175 (expand_used_vars): Update.
1176 (tree_expand_cfg): Free histogram earliers, init expansion variables.
1177 * explow.c (allocate_dynamic_stack_space): Update.
1178 * tree-ssa-live.c (remove_unused_locals): Update.
1179 * varasm.c (mark_constant_pool): Update.
1180 * tree-inline.c (remap_decls): Update.
1181 (initialize_cfun): Update.
1182 (declare_return_variable): Update.
1183 (inline_forbidden_p): Update.
1184 (expand_call_inline): Update.
1185 (declare_inline_vars): Update.
1186 (tree_function_versioning): Update.
1187 * tree-flow.h (value_histograms): New.
1188 (VALUE_HISTOGRAMS): New macro.
1189 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1191 * tree-cfg.c (set_bb_for_stmt): Update.
1192 (replace_by_duplicate_decl): Update.
1193 (move_block_to_fn): Update.
1194 (new_label_mapper): Update.
1195 (dump_function_to_file): Update.
1196 * ipa-struct-reorg.c (build_data_structure): Update.
1197 * cfgrtl.c (print_rtl_with_bb): Update.
1198 * reload1.c (reload): Update.
1200 * config/i386/i386.c (setup_incoming_varargs_64,
1201 ix86_compute_frame_layout): Update.
1202 * config/arc/arc.c (arc_output_function_epilogue): Update.
1204 2008-04-18 Marius Strobl <marius@FreeBSD.org>
1206 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1207 for FreeBSD as well.
1208 * gthr-posix95.h: Likewise.
1210 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
1212 PR rtl-optimization/35838
1213 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1214 out the byte offset of the first subreg.
1216 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
1218 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1219 to split_ti instead of three separate calls with single member arrays.
1220 (subti3 splitter): Ditto.
1221 (adddi3 splitter): Ditto with split_di.
1222 (subdi3 splitter): Ditto.
1223 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1224 two separate calls with single member arrays. Swap match_dup
1225 operands 1 and 2 to better fit into the array.
1226 (negdi2 splitter): Ditto with split_di.
1227 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
1228 two separate calls with single member arrays. Swap match_dup operands
1229 6 and 7 to better fit into the array.
1231 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
1233 * config/i386/i386.c (sse_builtin_type): New.
1234 (bdesc_sse_args): Likewise.
1235 (bdesc_sse_3arg): Removed.
1236 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1237 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1238 IX86_BUILTIN_ROUNDPS.
1239 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
1240 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
1241 IX86_BUILTIN_ROUNDPS.
1242 (ix86_expand_sse_4_operands_builtin): Removed.
1243 (ix86_expand_sse_operands_builtin): New.
1244 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1245 and CODE_FOR_sse4_1_roundps.
1246 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1247 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
1249 2008-04-17 Alan Modra <amodra@bigpond.net.au>
1252 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1253 regs before frame pop when needed. If use_backchain_to_restore_sp
1254 then load backchain into a temp reg to restore vr and vrsave. Add
1255 code to restore vr after frame pop if possible.
1257 2008-04-17 Richard Guenther <rguenther@suse.de>
1259 * tree-vn.c (expressions_equal_p): Do not check type
1260 equality or compatibility before calling operand_equal_p.
1261 * fold-const.c (operand_equal_p): Check equivalence of
1262 integer constants before bailing out due to signedness or
1263 precision differences.
1264 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1265 spurious differences in type qualification. Ignore types
1266 for COMPONENT_REFs at all.
1268 2008-04-17 Christian Bruel <christian.bruel@st.com>
1270 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1271 msw_skip comparison.
1273 2008-04-16 Jakub Jelinek <jakub@redhat.com>
1276 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1279 PR tree-optimization/35899
1280 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1281 rather than TREE_OPERAND.
1283 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
1286 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1287 temporary registers. Change operand predicate to general_operand.
1288 (remainderxf3): Ditto.
1290 2008-04-16 Richard Guenther <rguenther@suse.de>
1292 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1293 * tree-affine.c (aff_combination_expand): Look through some
1296 2008-04-15 Doug Kwan <dougkwan@google.com>
1298 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1300 * tree-pretty-print.c (dump_generic_node): Ditto.
1301 * final.c (output_addr_const): Ditto.
1302 * dwarf2out.c (output_cfi): Ditto.
1303 * c-pretty-print.c (pp_c_integer_constant): Ditto.
1304 * print-rtl.c (print_rtx): Ditto.
1305 * print-tree.c (print_node_brief, print_node): Ditto.
1306 * c-common.c (match_case_to_enum_1): Ditto.
1307 * sched-vis.c (print_value): Ditto.
1308 * config/i386/i386.c (print_operand): Cast to long unsigned int
1311 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
1312 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
1313 MS Windows VirtualProtect function.
1315 2008-04-15 Jan Hubicka <jh@suse.cz>
1317 * gengtype.c (write_root): Param_is argument is OK.
1318 * expr.c (expand_expr_real_1): Update call of get_exception_*.
1319 * function.h: Include varray.h
1320 (rtl_eh): New stucture based on except.c one.
1321 (call_site_record): New forward declaration and vector type.
1322 * calls.c (emit_call_1): Do not call
1323 note_current_region_may_contain_throw.
1324 * except.c (eh_status): Remove cur_region, try_region since they are
1326 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1327 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1328 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
1329 Remove call_site_data_used, call_site_data_size.
1330 Turn call_site_record into vector in function.h.
1331 (note_current_region_may_contain_throw): Remove.
1332 (get_exception_pointer, get_exception_filter): Do not take struct
1333 function argument; update.
1334 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1335 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1336 build_post_landing_pads, dw2_build_landing_pads,
1337 sjlj_assign_call_site_values, sjlj_mark_call_sites,
1338 sjlj_emit_function_enter, sjlj_emit_function_enter,
1339 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1340 sjlj_build_landing_pads, finish_eh_generation,
1341 remove_exception_handler_label, remove_eh_handler,
1342 maybe_remove_eh_handler, add_reachable_handler,
1343 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1344 add_action_record, collect_one_action_chain, add_call_site,
1345 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1346 sjlj_output_call_site_table, output_function_exception_table,
1347 * except.h (note_current_region_may_contain_throw): Remove
1348 (get_exception_pointer, get_exception_filter): Do not take struct
1350 * Makefile.in (GTFILES): Put varargs before struct function.
1352 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1354 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1355 punt for STRING_CST.
1356 (get_constraint_for): Deal with STRING_CST here instead.
1358 2008-04-15 Richard Guenther <rguenther@suse.de>
1360 * tree-ssa-propagate.c (substitute_and_fold): Substitute
1361 statements in a basic-block with a backward walk. Do not
1362 substitute into dead statements but instead remove those.
1364 2008-04-15 Richard Guenther <rguenther@suse.de>
1366 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1367 to zero, thus disable creation of SFTs.
1369 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1371 * tree-predcom.c (suitable_reference_p): Return false if the
1372 reference can throw.
1374 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1377 * c-decl.c (finish_decl): If extern or static var has variable
1378 size, set TREE_TYPE (decl) to error_mark_node.
1380 2008-04-15 Rafael Espindola <espindola@google.com>
1382 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1385 2008-04-15 Richard Guenther <rguenther@suse.de>
1387 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1388 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1389 (visit_reference_op_load): Do walk vuse-vdef chains on
1390 vn_reference_lookup.
1391 (visit_reference_op_store): But do not here.
1392 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1393 vn_reference_lookup.
1394 (vn_lookup_with_vuses): But do so here.
1396 2008-04-14 Ian Lance Taylor <iant@google.com>
1398 * fold-const.c (fold_overflow_warning): Remove assertion.
1400 2008-04-15 Ben Elliston <bje@au.ibm.com>
1402 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1403 temp1 local variables.
1405 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1408 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1409 ".text.unlikely" section as executable.
1411 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1413 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1414 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1415 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1416 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1417 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1418 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1419 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1421 2008-04-14 Ian Lance Taylor <iant@google.com>
1423 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1424 * fold-const.c (fold_comparison): If appropriate, test
1425 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1426 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1427 reassociating a pointer type.
1428 * doc/invoke.texi (Optimize Options): Document that
1429 -fstrict-overflow applies to pointer wraparound.
1431 2008-04-13 Jan Hubicka <jh@suse.cz>
1433 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1435 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1437 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1438 we are going to "save the world".
1440 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1442 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1443 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1444 operand 0 constraint, not "=".
1446 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1448 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1450 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1452 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1453 of size of positions_needed * CHAR_BIT.
1455 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1458 * dse.c (store_info): Change positions_needed to unsigned
1460 (lowpart_bitmask): New.
1461 (record_store): Cast to unsigned HOST_WIDE_INT for
1462 positions_needed. Assert width <= size of positions_needed *
1463 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1464 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1465 lowpart_bitmask to set mask.
1467 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1469 * config/bfin/constraints.md: New file.
1470 * config/bfin/bfin.md: Include it.
1471 (adddi3): Use satisfies_constraint functions instead of the old macros.
1472 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1473 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1474 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1475 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1476 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1477 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1478 EXTRA_CONSTRAINT): Delete.
1479 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1480 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1482 * config/bfin/bfin.c: Include "tm-constrs.h".
1483 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1484 Use satisfies_constraint functions instead of the old macros.
1485 * doc/md.texi (Blackfin Constraints): Update file name reference.
1487 2008-04-11 Richard Guenther <rguenther@suse.de>
1489 PR tree-optimization/35869
1490 * tree-vrp.c (execute_vrp): Move switch statement update after
1491 jump threading. Schedule another cfg cleanup run.
1493 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1496 * attribs.c (decl_attributes): Return early on errorneous node.
1498 2008-04-10 Oleg Ryjkov <olegr@google.com>
1500 * tree.h (struct tree_base): Added a new flag default_def_flag.
1501 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1503 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1505 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1507 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1510 * pa.md: Define mode iterator P. Define mode attribute dwc.
1511 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1512 (icacheflush): Likewise.
1513 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1514 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1516 2008-04-11 Ben Elliston <bje@au.ibm.com>
1518 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1520 2008-04-10 Rafael Espindola <espindola@google.com>
1522 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1523 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1524 (extract_range_from_expr): The same.
1526 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1528 * config/mips/mips.md (GPR2): New mode iterator.
1530 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1531 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1532 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1533 Rewrite these to take two modes, the mode of comparison and the
1534 mode of the destination.
1535 * config/mips/mips.c (mips_expand_scc): Instead of having
1536 paradoxical subreg as destination, expand "narrowing" scc if mode
1537 of comparison is SI and target is requested in DI mode.
1538 (mips_emit_int_order_test): Update comment. Make mode of
1539 comparison match CMP0 rather than TARGET. When creating inverse
1540 target use mode of TARGET.
1542 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1544 * gcov-dump.c (tag_summary): Only print summaries for the first
1545 GCOV_COUNTERS_SUMMABLE counters.
1547 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1549 * config/i386/i386.md (absneg): New code iterator.
1550 (absnegprefix): New code attribute.
1551 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1552 patterns using absneg code iterator.
1553 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1554 using absneg code iterator.
1555 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1556 *neg<mode>2 patterns using absneg code iterator.
1557 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1558 *negextendsfdf2 patterns using absneg code iterator.
1559 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1560 *negextendsfxf2 patterns using absneg code iterator.
1561 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1562 *negextendsfdf2 patterns using absneg code iterator.
1563 * config/i386/sse.md (<code><mode>2): Macroize expander from
1564 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1566 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1568 * config/s390/s390.h: Remove the remains of the recent search
1569 & replace action of current_function_outgoing_args_size.
1571 2008-04-10 Ira Rosen <irar@il.ibm.com>
1573 PR tree-optimization/35821
1574 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1575 NEW_STMT_LIST is not NULL.
1577 2008-04-09 David Edelsohn <edelsohn@gnu.org>
1580 * toplev.c (process_options): Remove -ffunction-sections debugging
1583 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
1585 PR middle-end/PR28690
1586 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1587 than gen_rtx_fmt_ee to perform more canonicalizations.
1589 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1592 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1594 2008-04-09 Richard Guenther <rguenther@suse.de>
1596 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1597 (dump_function_to_file): Dump function arguments with types.
1599 2008-04-08 Richard Guenther <rguenther@suse.de>
1601 * fold-const.c (fold_widened_comparison): Do not allow
1602 sign-changes that change the result.
1604 2008-04-08 Janis Johnson <janis187@us.ibm.com>
1607 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1608 kinds of indirect references.
1610 2008-04-08 David Edelsohn <edelsohn@gnu.org>
1612 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1613 GNU Fortran language string.
1615 2008-04-08 Rafael Espindola <espindola@google.com>
1617 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1618 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1619 * tree.h (tree_call_nonnegative_warnv_p): New.
1621 2008-04-08 Jan Hubicka <jh@suse.cz>
1623 * function.c (free_after_compilation): Clear out regno_reg_rtx
1626 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
1629 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1631 PR middle-end/PR28690
1632 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
1633 same precedence as REG_POINTER and MEM_POINTER operands.
1635 2008-04-08 Richard Guenther <rguenther@suse.de>
1638 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
1639 for adding index to base.
1641 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
1643 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
1644 (MINGW_ENABLE_EXECUTE_STACK): New.
1645 (IN_LIBGCC2): For libgcc include windows.h file for
1646 function declarations.
1648 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
1650 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
1651 and tem2 if tem1 is not a REG or MULT.
1653 2008-04-08 Jan Hubicka <jh@suse.cz>
1655 * function.h (incomming_args): Break out of struct function.
1656 (function_subsections): Break out of struct function.
1657 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
1658 return_rtx and hard_reg_initial_vals from struct function.
1659 Kill inl_max_label_num.
1660 (current_function_pops_args, current_function_args_info,
1661 current_function_args_size, current_function_args_size,
1662 current_function_pretend_args_size,
1663 current_function_outgoing_args_size,
1664 current_function_internal_arg_pointer, current_function_return_rtx):
1665 Kill compatibility accestor macros.
1666 * builtins.c (expand_builtin_apply_args_1): Update.
1667 (expand_builtin_next_arg): Update.
1668 * df-scan.c (df_get_call_refs): Update.
1669 * dbxout.c (dbxout_function_end): Update.
1670 * dwarf2out.c (dwarf2out_switch_text_section): Update.
1671 (output_line_info): Update.
1672 (secname_for_decl): Update.
1673 (dwarf2out_var_location): Update.
1674 * function.c (free_after_compilation): Update.
1675 (assign_parm_find_stack_rtl): Update.
1676 (assign_parms): Update.
1677 (expand_dummy_function_end): Update.
1678 (expand_function_end): Update.
1679 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
1680 (expand_call): Update.
1681 (emit_library_call_value_1): Update.
1682 (store_one_arg): Update.
1683 * varasm.c (initialize_cold_section_name): Update.
1684 (unlikely_text_section): Update.
1685 (unlikely_text_section_p): Update.
1686 (assemble_start_function): Update.
1687 (assemble_end_function): Update.
1688 (default_section_type_flags): Update.
1689 (switch_to_section): Update.
1690 * integrate.c (set_decl_abstract_flags): Update.
1691 (get_hard_reg_initial_val): Update.
1692 (has_hard_reg_initial_val): Update.
1693 (allocate_initial_values): Update.
1694 * resource.c (init_resource_info): Update.
1695 * config/alpha/alpha.c (NUM_ARGS): Update.
1696 (direct_return): Update.
1697 (alpha_va_start): Update.
1698 (alpha_sa_size): Update.
1699 (alpha_initial_elimination_offset): Update.
1700 (alpha_expand_prologue): Update.
1701 (alpha_start_function): Update.
1702 (alpha_expand_epilogue): Update.
1703 (unicosmk_initial_elimination_offset):
1704 * config/alpha/alpha.md (call expander): Update.
1705 * config/s390/s390.c (s390_register_info): Update.
1706 (s390_register_info): Update.
1707 (s390_frame_info): Update.
1708 (s390_initial_elimination_offset): Update.
1709 (s390_build_builtin_va_list): Update.
1710 (s390_va_start): Update.
1711 * config/spu/spu.c (direct_return): Update.
1712 (spu_expand_prologue): Update.
1713 (spu_initial_elimination_offset): Update.
1714 (spu_build_builtin_va_list): Update.
1715 (spu_va_start): Update.
1716 * config/sparc/sparc.c (sparc_init_modes): Update.
1717 (sparc_compute_frame_size): Update.
1718 (function_value): Update.
1719 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
1720 * config/i386/i386.md (return expander): Update.
1721 * config/i386/i386.c (ix86_va_start): Update.
1722 (ix86_can_use_return_insn_p): Update.
1723 (ix86_compute_frame_layout): Update.
1724 (ix86_expand_epilogue): Update.
1725 * config/sh/sh.c (output_stack_adjust): Update.
1726 (calc_live_regs): Update.
1727 (sh_expand_prologue): Update.
1728 (sh_builtin_saveregs): Update.
1729 (sh_va_start): Update.
1730 (initial_elimination_offset): Update.
1731 (sh_allocate_initial_value): Update.
1732 (sh_function_ok_for_sibcall): Update.
1733 (sh_get_pr_initial_val): Update.
1734 * config/sh/sh.md (return expander): Update.
1735 * config/avr/avr.c (frame_pointer_required_p): UPdate.
1736 * config/crx/crx.c (crx_compute_frame): UPdate.
1737 (crx_initial_elimination_offset): UPdate.
1738 * config/xtensa/xtensa.c (compute_frame_size): Update
1739 (xtensa_builtin_saveregs): Update.
1740 (xtensa_va_start): Update.
1741 (order_regs_for_local_alloc): Update.
1742 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
1743 (xstormy16_expand_builtin_va_start): Update.
1744 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
1745 * config/m68hc11/m68hc11.md (return expanders): Update.
1746 * config/m68hc11/m68hc11.c (expand_prologue): Update.
1747 (expand_epilogue): Update.
1748 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
1749 (cris_simple_epilogue): Update.
1750 (cris_expand_prologue): Update.
1751 (cris_expand_epilogue): Update.
1752 * config/iq2000/iq2000.c (iq2000_va_start): Update.
1753 (compute_frame_size): Update.
1754 * config/mt/mt.c (mt_compute_frame_size): Update.
1755 * config/mn10300/mn10300.c (expand_prologue): Update.
1756 (expand_epilogue): Update.
1757 (initial_offset): Update.
1758 (mn10300_builtin_saveregs):
1759 * config/mn10300/mn10300.md (return expander): Update.
1760 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1761 (ia64_initial_elimination_offset): Update.
1762 (ia64_initial_elimination_offset): Update.
1763 (ia64_expand_prologue): Update.
1764 * config/m68k/m68k.md (return expander): Update.
1765 * config/rs6000/rs6000.c (rs6000_va_start): Update.
1766 (rs6000_stack_info): Update.
1767 * config/mcore/mcore.c (layout_mcore_frame): Update.
1768 (mcore_expand_prolog): Update.
1769 * config/arc/arc.c (arc_compute_frame_size): Update.
1770 * config/score/score3.c (score3_compute_frame_size): Update.
1771 * config/score/score7.c (score7_compute_frame_size): Update.
1772 * config/arm/arm.c (use_return_insn): Update.
1773 (thumb_find_work_register): Update.
1774 (arm_compute_save_reg_mask): Update.
1775 (arm_output_function_prologue): Update.
1776 (arm_output_epilogue): Update.
1777 (arm_size_return_regs): Update.
1778 (arm_get_frame_offsets): Update.
1779 (arm_expand_prologue): Update.
1780 (thumb_exit): Update.
1781 (thumb_unexpanded_epilogue): Update.
1782 (thumb1_output_function_prologue): Update.
1783 * config/pa/pa.md (return expander): Update.
1784 * config/pa/pa.c (compute_frame_size): Update.
1785 (hppa_builtin_saveregs): Update.
1786 * config/mips/mips.c (mips_va_start): Update.
1787 (mips16_build_function_stub): Update.
1788 (mips_compute_frame_info): Update.
1789 (mips_restore_gp): Update.
1790 (mips_output_function_prologue): Update.
1791 (mips_expand_prologue): Update.
1792 * config/v850/v850.c (compute_frame_size): Update.
1793 (expand_prologue): * config/mmix/mmix.c (along): update.
1794 (mmix_initial_elimination_offset): update.
1795 (mmix_reorg): update.
1796 (mmix_use_simple_return): update.
1797 (mmix_expand_prologue): update.
1798 (mmix_expand_epilogue): Update.
1799 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
1800 (emit_link_insn): Update.
1802 2008-04-08 Anatoly Sokolov <aesok@post.ru>
1804 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
1805 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
1807 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
1810 2008-04-07 Jan Hubicka <jh@suse.cz>
1812 * function.h (rtl): Rename to x_rtl.
1814 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1815 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1816 used_temp_slots avail_temp_slots, temp_slot_level,
1817 nonlocal_goto_handler_labels): Update accesstors.
1818 (rtl): New global variable.
1819 (struct function): Move some fileds to rtl_data.
1820 (get_arg_pointer_save_area): Update prototype.
1821 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1822 get_arg_pointer_save_area.
1823 * expr.c (init_expr): Update
1824 * function.c (get_frame_size): Update
1825 (assign_stack_local): Update
1826 (expand_function_end): Update.
1827 (get_art_pointer_save_area): Update
1829 * emit-rtl.c (rtl): Declare.
1830 (regno_reg_rtx): Declare.
1831 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1833 (gen_reg_rtx): Update.
1834 * varasm.c (n_deferred_constatns): Update accestor.
1835 (init_varasm_status): Do not allocate varasm_status.
1836 (force_const_mem, get_pool_size, output_constant_pool): Update.
1837 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1838 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1839 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
1840 * sparc/sparc.h (INIT_EXPANDERS): Update.
1841 * ia64/ia64.h (INIT_EXPANDERS): Update.
1843 2008-04-07 James E. Wilson <wilson@tuliptree.org>
1845 * reload.c (push_secondary_reload): Add missing break to for loop.
1847 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1849 PR middle-end/PR28690
1850 * rtlanal.c: Update copyright years.
1851 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
1852 as REG_POINTER and MEM_POINTER operands.
1853 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
1854 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
1855 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
1856 * gcse.c: Update copyright years.
1857 (pre_delete): Call gen_reg_rtx_and_attrs.
1858 (hoist_code): Likewise.
1859 (build_store_vectors): Likewise.
1860 (delete_store): Likewise.
1861 * loop-invariant.c (move_invariant_reg): Likewise.
1862 Update copyright years.
1864 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
1866 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
1867 control string instead of quoted.
1869 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1871 * doc/rtl.texi: Rewrite of subreg section.
1873 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
1876 * config/i386/i386.c (legitimize_pic_address): Add treating
1877 of dllimport SYM_REF's.
1878 (legitimize_dllimport_symbol): Add prototype.
1880 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1882 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1883 reference in constructor with non self-referential type.
1885 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1887 Removal of Return with Depressed Stack Pointer support
1888 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1889 (ECF_SP_DEPRESSED): Likewise.
1890 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1891 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1892 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1893 (expand_call): Do not test ECF_SP_DEPRESSED.
1894 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1895 * function.c (keep_stack_depressed): Delete.
1896 (handle_epilogue_set): Likewise.
1897 (update_epilogue_consts): Likewise.
1898 (emit_equiv_load): Likewise.
1899 (thread_prologue_and_epilogue_insns): Remove support for Return with
1900 Depressed Stack Pointer.
1901 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1903 2008-04-06 Richard Guenther <rguenther@suse.de>
1905 PR tree-optimization/35400
1906 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1907 information from SSA_NAMEs.
1909 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1911 * config/avr/avr.h (avr_mega_p): Remove declaration.
1912 (AVR_MEGA): Remove macro.
1913 * config/avr/avr.c (avr_mega_p): Remove variable.
1914 (avr_override_options): Remove inicializion of avr_mega_p.
1915 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1916 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1917 (avr_jump_mode): (Ditto.).
1918 (avr_output_progmem_section_asm_op): (Ditto.).
1919 (avr_asm_init_sections): (Ditto.).
1920 (avr_asm_init_sections): (Ditto.).
1921 (avr_rtx_costs): (Ditto.).
1922 * config/avr/avr.md: (Ditto.).
1923 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
1926 2008-04-06 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/35842
1929 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
1930 is_gimple_invariant_address.
1932 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1934 * gcc.c (default_compilers): Sync Fortran extensions list with
1935 that in fortran/lang-specs.h.
1936 * doc/invoke.texi: Likewise.
1937 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
1938 * dwarf2out.c (gen_compile_unit_die): Likewise.
1940 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
1942 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
1944 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
1947 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
1948 attribute is used for nested functions.
1950 2008-04-05 Jan Hubicka <jh@suse.cz>
1952 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
1954 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
1956 (dump_files): Update.
1957 (enable_rtl_dump_file): Do not accept letter argument.
1958 * tree-pass.h (dump_file_info): Remove letter argument.
1959 * toplev.c (decode_d_option): Update -da handling.
1960 * toplev.h (enable_rtl_dump_file): Update prototype.
1961 * passes.c (register_one_dump_file): Do not accept IPA argument; work
1962 it out based on pass type.
1963 (register_dump_files_1): Likewise.
1964 (init_optimization_passes): Update register_one_dump_file calls.
1965 (execute_one_pass): Sanity check that IPA passes are called at IPA
1966 level and RTL passes at RTL level.
1967 (execute_pass_list): IPA pass can not be after or subpass of
1969 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
1970 disallov RTL subpasses of IPA subpasses.
1972 2008-04-05 Ben Elliston <bje@au.ibm.com>
1974 * tree-cfg.c (need_fake_edge_p): Return false for calls to
1975 builtins that return exactly once and do not throw. Cache call to
1978 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
1980 PR rtl-optimization/34916
1982 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
1983 between instruction pairs.
1985 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
1987 * doc/invoke.texi: Document -mbitops for SH.
1988 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
1989 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
1990 * config/sh/sh.c (print_operand): Add %t operand code.
1991 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
1992 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
1993 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
1994 (extendqihi2): Likewise.
1995 (movqi_i): Likewise.
1996 (insv): Use bset, bclr and bst instructions for SH2A if possible.
1997 (extv): Use bld instruction for SH2A if possible.
1999 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2000 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2001 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2002 (bset.b, bclr.b): Define peepholes.
2003 * config/sh/sh.opt (mbitops): New option.
2005 2008-04-04 Janis Johnson <janis187@us.ibm.com>
2008 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2009 and view convert expression.
2011 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2014 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2016 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
2018 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2020 * config/i386/cpuid.h (bit_AES): New.
2021 (bit_PCLMUL): Likewise.
2023 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2024 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
2025 SSE2 if AES or PCLMUL is enabled.
2026 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2027 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2028 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2029 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2030 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2031 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2032 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2033 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2034 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2035 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2036 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2037 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2038 __builtin_ia32_aeskeygenassist128 and
2039 __builtin_ia32_pclmulqdq128.
2040 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2041 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2042 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
2044 * config/i386/i386.h (TARGET_AES): New.
2045 (TARGET_PCLMUL): Likewise.
2046 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2048 * config/i386/i386.md (UNSPEC_AESENC): New.
2049 (UNSPEC_AESENCLAST): Likewise.
2050 (UNSPEC_AESDEC): Likewise.
2051 (UNSPEC_AESDECLAST): Likewise.
2052 (UNSPEC_AESIMC): Likewise.
2053 (UNSPEC_AESKEYGENASSIST): Likewise.
2054 (UNSPEC_PCLMUL): Likewise.
2056 * config/i386/i386.opt (maes): New.
2057 (mpclmul): Likewise.
2059 * config/i386/sse.md (aesenc): New pattern.
2060 (aesenclast): Likewise.
2062 (aesdeclast): Likewise.
2064 (aeskeygenassist): Likewise.
2065 (pclmulqdq): Likewise.
2067 * config/i386/wmmintrin.h: New.
2069 * doc/extend.texi: Document AES and PCLMUL built-in function.
2071 * doc/invoke.texi: Document -maes and -mpclmul.
2073 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
2075 * function.c (free_after_parsing): Replace with
2076 cxx_push_function_context from C++ front-end.
2077 (allocate_struct_function): Don't call langhook.
2078 * langhooks.h (struct lang_hooks_for_functions): Delete.
2079 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2081 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2082 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2083 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2084 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2085 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2086 remove LANG_HOOKS_FUNCTION_INITIALIZER.
2087 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2089 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2090 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2092 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2095 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2098 2008-04-04 Richard Guenther <rguenther@suse.de>
2101 * fold-const.c (optimize_minmax_comparison): Use the correct
2102 type for the constant in the simplified comparison.
2104 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
2106 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2107 Pass L2 size as "--param l2-cache-size" to the compiler.
2108 (decode_l2_cache): New function to decode L2 cache parameters using
2109 0x8000006 extended cpuid function.
2110 (detect_caches_amd): Determine parameters of L2 cache using
2111 decode_l2_caches function.
2112 (decode_caches_intel): Decode L2 cache parameters.
2113 (detect_caches_intel): Determine L2 cache parameters using
2114 decode_caches_intel and decode_l2_caches functions.
2116 2008-04-03 Bob Wilson <bob.wilson@acm.org>
2118 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2119 secondary input reload for subword loads from the constant pool.
2121 2008-04-03 Janis Johnson <janis187@us.ibm.com>
2124 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2125 constants of the appropriate size for runtime calculations.
2128 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2129 decimal-float literal constant zero.
2131 2008-04-03 Jakub Jelinek <jakub@redhat.com>
2134 * c-parser.c (c_parser_omp_atomic): Call
2135 default_function_array_conversion on the RHS.
2138 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2139 call is_variable_sized if decl has incomplete type.
2141 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
2143 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2145 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
2147 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2149 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2150 (sgt<u>): Merge sgt and sgtu into new expander.
2151 (sgt, sgtu): Remove expanders.
2152 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2153 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2154 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2155 *sgtu_<mode>_mips16 into new pattern.
2156 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2157 (sge<u>): Merge sge and sgeu into new expander.
2158 (sge, sgeu): Remove expanders.
2159 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2161 (*sge_<mode>, second *sge_<mode>): Remove patterns.
2162 (slt<u>): Merge slt and sltu into new expander.
2163 (slt, sltu): Remove expanders.
2164 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2165 (*slt_<mode>, *sltu_<mode>): Remove patterns.
2166 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2167 *sltu_<mode>_mips16 into new pattern.
2168 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2169 (sle<u>): Merge sle and sleu into new expander.
2170 (sle, sleu): Remove expanders.
2171 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2172 (*sle_<mode>, *sleu_<mode>): Remove patterns.
2173 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2174 *sleu_<mode>_mips16 into new pattern.
2175 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2177 2008-04-03 Jan Hubicka <jh@suse.cz>
2179 PR tree-optimization/35795
2180 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2181 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2182 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2183 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2184 * score/score3.c (score3_output_mi_thunk): Likewise.
2185 * score/score7.c (score7_output_mi_thunk): Likewise.
2186 * mips/mips.c (mips_output_mi_thunk): Likewise.
2188 2008-04-03 Richard Guenther <rguenther@suse.de>
2190 * tree-vrp.c (extract_range_from_unary_expr): Handle all
2191 conversions. Simplify code.
2193 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
2195 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2197 2008-04-03 Tom Tromey <tromey@redhat.com>
2198 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2200 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2201 * config/bfin/t-bfin-linux (generated_files): Add
2202 linux-sysroot-suffix.h.
2203 * doc/install.texi (Prerequisites): Require make 3.80.
2204 * doc/sourcebuild.texi (Front End Directory): Document new
2206 * Makefile.in (generated_files): New variable.
2207 (ALL_HOST_OBJS): New variable.
2208 ($(ALL_HOST_OBJS)): New target.
2210 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2212 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2213 (remap_block): Call id->transform_lang_insert_block instead
2215 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2216 Set id.transform_lang_insert_block to NULL.
2217 (clone_body): Move to cp/optimize.c
2218 * tree-inline.h (struct copy_body_data): Change
2219 transform_lang_insert_block to function pointer.
2220 (copy_generic_body, copy_decl_no_change): Export.
2221 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2222 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2223 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2225 * c-tree.h (insert_block): Kill.
2226 * c-decl.c (insert_block): Kill.
2228 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2230 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2231 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2232 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2234 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2235 argument, call {push,pop}_function_context from here.
2236 * c-parser.c: Use c_{push,pop}_function_context.
2238 * function.c (push_function_context_to): Move meat ...
2239 (push_function_context): ... here. Simplify.
2240 * function.c (pop_function_context_from): Move meat ...
2241 (pop_function_context): ... here. Simplify.
2242 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2244 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2245 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2246 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2247 * tree.h (push_function_context_to, pop_function_context_from): Remove.
2249 2008-04-03 Ben Elliston <bje@au.ibm.com>
2251 * expmed.c (extract_force_align_mem_bit_field): Remove.
2253 2008-04-03 Richard Guenther <rguenther@suse.de>
2256 * expr.h (try_casesi): Adjust prototype.
2257 * expr.c (try_casesi): Take fallback label as extra parameter.
2258 Use that for gen_casesi if default_label is NULL.
2259 * stmt.c (expand_case): Pass fallback label to try_casesi,
2260 make sure to fill gaps with a fallback label if default_label
2263 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
2266 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2268 2008-04-03 Ben Elliston <bje@au.ibm.com>
2270 * expmed.c (extract_split_bit_field): Remove if (0) code.
2271 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2272 (do_ds_constraint): Likewise.
2274 2008-04-02 Joseph Myers <joseph@codesourcery.com>
2276 * doc/cppopts.texi (-dU): Document.
2277 * c-common.h (flag_dump_macros): Update comment.
2278 * c-opts.c (handle_OPT_d): Handle -dU.
2279 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2280 dump_queued_macros, cb_used_define, cb_used_undef): New.
2281 (init_pp_output): Handle -dU.
2282 (cb_line_change): Call dump_queued_macros.
2283 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2285 2008-04-02 Anatoly Sokolov <aesok@post.ru>
2287 * config/avr/predicates.md (io_address_operand): New predicate.
2288 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2289 * config/avr/avr.c (avr_io_address_p): Remove function.
2290 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
2291 'avr_io_address_p' function.
2292 (out_movhi_r_mr): (Ditto.).
2293 (out_movqi_mr_r): (Ditto.).
2294 (out_movhi_mr_r): (Ditto.).
2295 (avr_address_cost): (Ditto.).
2297 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
2299 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2300 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2301 in 32bit mode when XMM registers are available to avoid store
2303 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2304 corresponding post-reload splitters.
2306 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2308 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2309 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
2310 __builtin_ia32_roundss.
2311 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2312 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2313 __builtin_ia32_roundss.
2314 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2315 IX86_BUILTIN_SHUFPD here.
2317 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2319 * config/i386/i386.md (plogic): New.
2320 (plogicprefix): Likewise.
2322 * config/i386/mmx.md (mmx_<code><mode>3): New.
2323 (mmx_and<mode>3): Removed.
2324 (mmx_ior<mode>3): Likewise.
2325 (mmx_xor<mode>3): Likewise.
2327 * config/i386/sse.md (<code><mode>3): New.
2328 (*<code><mode>3): Likewise.
2329 (*<code><mode>3): Likewise.
2330 (<code><mode>3): Likewise.
2331 (*sse_<code><mode>3): Likewise.
2332 (*sse2_<code><mode>3): Likewise.
2333 (<code>tf3): Likewise.
2334 (*<code>tf3): Likewise.
2335 (and<mode>3): Likewise.
2336 (*and<mode>3): Likewise.
2337 (ior<mode>3): Removed.
2338 (*ior<mode>3): Likewise.
2339 (xor<mode>3): Likewise.
2340 (*xor<mode>3): Likewise.
2341 (*and<mode>3): Likewise.
2342 (*ior<mode>3): Likewise.
2343 (*xor<mode>3): Likewise.
2344 (and<mode>3): Likewise.
2345 (*sse_and<mode>3): Likewise.
2346 (*sse2_and<mode>3): Likewise.
2348 (*andtf3): Likewise.
2349 (ior<mode>3): Likewise.
2350 (*sse_ior<mode>3): Likewise.
2351 (*sse2_ior<mode>3): Likewise.
2353 (*iortf3): Likewise.
2354 (xor<mode>3): Likewise.
2355 (*sse_xor<mode>3): Likewise.
2356 (*sse2_xor<mode>3): Likewise.
2358 (*xortf3): Likewise.
2360 2008-04-02 Richard Guenther <rguenther@suse.de>
2362 PR tree-optimization/14495
2363 PR tree-optimization/34793
2364 * tree-vrp.c (struct switch_update): New structure.
2365 (to_remove_edges, to_update_switch_stmts): New VECs.
2366 (simplify_switch_using_ranges): New function. Remove not taken
2367 case labels and edges.
2368 (simplify_stmt_using_ranges): Call it.
2369 (identify_jump_threads): Mark edges we have queued for removal
2370 so we don't thread them.
2371 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2373 * tree-cfg.c (group_case_labels): Deal with missing default label.
2374 (tree_verify_flow_info): Allow missing default label.
2375 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2376 (emit_case_nodes): Likewise.
2377 (expand_case): Do not rely on the default label to be present.
2378 * expr.c (try_casesi): Deal with NULL default_label.
2379 (do_tablejump): Likewise.
2381 2008-04-02 Richard Guenther <rguenther@suse.de>
2383 PR tree-optimization/14495
2384 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2385 SWITCH_EXPR here ...
2386 (vrp_visit_switch_stmt): ... but here (new function).
2387 (find_case_label_index): New helper function.
2388 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2390 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2392 * fwprop.c: Fix ISO-C99ism.
2394 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2397 * Makefile.in (objdir): Set it here.
2398 * configure.ac: Not here. Find dynamic linker characteristics.
2399 * exec-tool.in: Use them.
2400 * aclocal.m4: Regenerate.
2401 * configure: Regenerate.
2403 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2405 * expr.c (expand_var): Delete it.
2406 * expr.h (expand_var): Delete prototype.
2407 * function.c (expand_function_start): Use expand_decl instead.
2408 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2411 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2413 PR rtl-optimization/35542
2414 * fwprop.c (forward_propagate_and_simplify): Replace
2415 loc_reg_mentioned_in_p with reg_mentioned_p.
2417 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2419 PR rtl-optimization/35281
2420 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2421 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2422 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2423 (varying_mem_p): Move above propagate_rtx.
2424 (all_uses_available_at): Do not check MEMs.
2426 2008-04-02 Rafael Espindola <espindola@google.com>
2428 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2429 (register_edge_assert_for_2): Split the cond argument.
2430 (register_edge_assert_for_1): Adjust for the change in
2431 register_edge_assert_for_2.
2432 (register_edge_assert_for): Split the cond argument.
2433 (find_switch_asserts): Adjust for the change in
2434 register_edge_assert_for.
2436 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2438 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2439 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2440 offsets for 64-bit mingw.
2441 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2442 abi for x86_64-pc-mingw.
2444 2008-04-02 Richard Guenther <rguenther@suse.de>
2446 * tree-vrp.c (extract_range_from_assert): Make sure to not
2447 produce range min/max with TREE_OVERFOW set.
2448 If merging a anti-range and a range keep the anti-range if
2449 the range covers all values of the type.
2450 (register_edge_assert_for_2): Only allow sign-changing
2451 conversions in detecting canonical range checks. Also
2452 register an assert for the unsigned name if useful.
2454 PR tree-optimization/35787
2455 * tree-vrp.c (vrp_val_max): New function.
2456 (vrp_val_min): Likewise.
2457 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2458 (vrp_val_is_min): Likewise.
2459 (supports_overflow_infinity): Use vrp_val_{min,max}.
2460 (negative_overflow_infinity): Likewise.
2461 (positive_overflow_infinity): Likewise.
2462 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2463 (is_positive_overflow_infinity): Likewise.
2464 (is_overflow_infinity): Likewise.
2465 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2466 vrp_val_is_{min,max}.
2467 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2468 to ranges if possible. Avoid empty ranges.
2470 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2473 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2474 the expression is a function address.
2476 2008-04-01 George Helffrich <george@gcc.gnu.org>
2478 PR fortran/35154, fortran/23057
2479 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2480 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2481 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2482 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2484 (dbxout_syms): Check for COMMON-based symbol and wrap in
2485 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2486 in bracket for efficiency.
2488 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2489 using DW_TAG_common_block + member offset.
2490 (add_pubname_string): New function.
2491 (dw_expand_expr): New function to find block name and offset for
2493 (common_check): New function to check whether symbol in Fortran COMMON.
2494 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2496 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2499 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2501 2008-04-02 Ben Elliston <bje@au.ibm.com>
2503 * config/v850/v850.md (casesi): Remove if (0) code.
2504 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2505 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2507 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2509 * config/i386/i386.md (rex64suffix): New mode attribute.
2510 (floathi<mode>2): Disable expander for SSE math.
2511 (*floathi<mode>2_1): New insn insn_and_split pattern.
2512 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2513 corresponding post-reload splitters.
2514 (*floathi<mode>2_i387): New macroized insn pattern.
2515 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2516 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2517 insn_and_split pattern.
2518 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2519 New macroized instruction patterns and corresponding post-reload
2521 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2522 and corresponding post-reload splitters.
2523 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2524 New macroized instruction patterns.
2525 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2526 macroized instruction patterns and corresponding post-reload splitters.
2527 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2528 corresponding post-reload splitters.
2529 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2530 New macroized instruction patterns.
2531 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2532 corresponding post-reload splitters.
2533 (*floatsi<mode>2_i387): New macroized instruction patterns.
2535 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2537 * config/i386/i386.md (smaxmin): New.
2538 (umaxmin): Likewise.
2539 (maxminiprefix): Likewise.
2540 (maxminfprefix): Likewise.
2541 (<code><mode>3): Likewise.
2542 (smin<mode>3): Removed.
2543 (smax<mode>3): Likewise.
2545 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2546 (mmx_<code>v4hi3): Likewise.
2547 (mmx_<code>v8qi3): Likewise.
2548 (mmx_smaxv2sf3): Removed.
2549 (mmx_sminv2sf3): Likewise.
2550 (mmx_umaxv8qi3): Likewise.
2551 (mmx_smaxv4hi3): Likewise.
2552 (mmx_uminv8qi3): Likewise.
2553 (mmx_sminv4hi3): Likewise.
2555 * config/i386/sse.md (<addsub><mode>3): New.
2556 (*<addsub><mode>3): Likewise.
2557 (<sse>_vm<addsub><mode>3): Likewise.
2558 (<maxmin><mode>3): Likewise.
2559 (*<maxmin><mode>3_finite): Likewise.
2560 (*<maxmin><mode>3): Likewise.
2561 (<sse>_vm<maxmin><mode>3): Likewise.
2562 (sse3_h<addsub>v4sf3): Likewise.
2563 (sse3_h<addsub>v2df3): Likewise.
2564 (<maxmin>v16qi3): Likewise.
2565 (*<maxmin>v16qi3): Likewise.
2566 (<maxmin>v8hi3): Likewise.
2567 (*<maxmin>v8hi3): Likewise.
2568 (*sse4_1_<maxmin><mode>3): Likewise.
2569 (*sse4_1_<maxmin><mode>3): Likewise.
2570 (add<mode>3): Removed.
2571 (*add<mode>3): Likewise.
2572 (<sse>_vmadd<mode>3): Likewise.
2573 (sub<mode>3): Likewise.
2574 (*sub<mode>3): Likewise.
2575 (<sse>_vmsub<mode>3): Likewise.
2576 (smin<mode>3): Likewise.
2577 (*smin<mode>3_finite): Likewise.
2578 (*smin<mode>3): Likewise.
2579 (<sse>_vmsmin<mode>3): Likewise.
2580 (smax<mode>3): Likewise.
2581 (*smax<mode>3_finite): Likewise.
2582 (*smax<mode>3): Likewise.
2583 (<sse>_vmsmax<mode>3): Likewise.
2584 (sse3_haddv4sf3): Likewise.
2585 (sse3_haddv2df3): Likewise.
2586 (sse3_hsubv4sf3): Likewise.
2587 (sse3_hsubv2df3): Likewise.
2588 (umaxv16qi3): Likewise.
2589 (*umaxv16qi3): Likewise.
2590 (smaxv8hi3): Likewise.
2591 (*smaxv8hi3): Likewise.
2592 (*sse4_1_smax<mode>3): Likewise.
2593 (*sse4_1_umax<mode>3): Likewise.
2594 (uminv16qi3): Likewise.
2595 (*uminv16qi3): Likewise.
2596 (sminv8hi3): Likewise.
2597 (*sminv8hi3): Likewise.
2598 (*sse4_1_smin<mode>3): Likewise.
2599 (*sse4_1_umin<mode>3): Likewise.
2601 2008-04-01 Rafael Espindola <espindola@google.com>
2603 * tree-cfg.c (verify_expr): remove in_phi.
2604 (verify_stmt): Don't call walk_tree with verify_expr. Use
2605 is_gimple_min_invariant instead of is_gimple_val.
2607 2008-04-01 Joseph Myers <joseph@codesourcery.com>
2609 * doc/include/gpl_v3.texi: Update for manpage generation.
2610 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2612 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2613 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2614 gpl_v3.texi instead of gpl.texi.
2617 2008-04-01 Jakub Jelinek <jakub@redhat.com>
2620 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2622 2008-04-01 Rafael Espindola <espindola@google.com>
2624 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2625 (extract_code_and_val_from_cond): Use
2626 extract_code_and_val_from_cond_with_ops.
2628 2008-04-01 Jan Hubicka <jh@suse.cz>
2630 * function.c (free_after_compilation): Free epilogue_delay_list.
2631 (prepare_function_start): Assert that previous compilation was freed.
2633 2008-04-01 Jan Hubicka <jh@suse.cz>
2634 Jim Wilson <wilson@tuliptree.org>
2635 Andreas Tobler <andreast@gcc.gnu.org>
2638 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
2639 rtl.emit instead cfun->emit.
2640 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
2641 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
2643 2008-04-01 Ben Elliston <bje@au.ibm.com>
2645 * doc/c-tree.texi (Function Basics): Fix grammatical error.
2647 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
2649 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
2651 (fprofile-use): Add var flag_profile_use
2652 * coverage.c (coverage_begin_output): Do not open a gcno file for
2653 output only if -ftest-coverage is set.
2654 Do not add getpwd() to gcda file path.
2655 (build_gcov_info): Check the new flag
2656 flag_profile_datafile_relative_path.
2657 (coverage_init): Use profile_data_prefix.
2658 Read profile counter only if flag_profile_use is set.
2659 * opts.c (common_handle_option): New option fprofile-use=,
2660 fprofile-dir=, fprofile-generate=.
2661 * toplev.c (profile_data_prefix): New variable definition.
2662 * toplev.h (profile_data_prefix): New declaration.
2663 * doc/invoke.tex (Option Summary, Optimization Options):
2666 2008-03-31 James E. Wilson <wilson@tuliptree.org>
2668 * varasm.c (output_constant_pool_1): In LABEL_REF check,
2669 use tmp consistently.
2672 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
2673 * config/ia64/ia64.c (rtx_needs_barrier): Handle
2674 UNSPEC_FR_RECIP_APPROX_RES.
2675 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
2677 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
2680 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
2682 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2685 * fold-const.c (fold_indirect_ref_1): Support accessing non first
2686 element of the vector via a pointer.
2688 2008-03-31 Ian Lance Taylor <iant@google.com>
2690 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
2692 2008-03-31 Jan Hubicka <jh@suse.cz>
2694 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2695 get_arg_pointer_save_area.
2696 * expr.c (init_expr): Just clear out rtl.expr.
2697 * function.c (free_after_compilation): Clear out whole RTL structure.
2698 (get_func_frame_size): Merge into ...
2699 (get_frame_size): ... this one.
2700 (assign_stack_local_1): Merge into ...
2701 (assign_stack_local): ... this one.
2702 (expand_function_end): Update call of get_arg_pointer_save_area.
2703 (get_art_pointer_save_area): Remove cfun argument.
2704 * function.h (emit_status): regno_pointer_align does not need length
2705 attribute. Move x_regno_reg_rtx to ...
2706 (regno_reg_rtx): ... new global array.
2707 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
2708 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
2709 apply_args_value, forced_labels, stack_pointer_delta):
2711 (struct varasm_status): Move here from varasm.c
2712 (struct rtl_data): New. Move here some fields from struct function.
2713 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2714 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2715 used_temp_slots avail_temp_slots, temp_slot_level,
2716 nonlocal_goto_handler_labels): Update accesstors.
2717 (rtl): New global variable.
2718 (struct function): Move some fileds to rtl_data.
2719 (get_arg_pointer_save_area): Update prototype.
2720 * emit-rtl.c (rtl): Declare.
2721 (regno_reg_rtx): Declare.
2722 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2724 (gen_reg_rtx): Update.
2725 (init_virtual_regs): Do not tate emit_status argument.
2726 (init_emit): Do not allocate emit.
2727 * varasm.c (varasm_statuc): Move to function.h.
2728 (n_deferred_constatns): Update accestor.
2729 (init_varasm_status): Do not allocate varasm_status.
2730 (force_const_mem, get_pool_size, output_constant_pool): Update.
2731 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2732 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2734 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
2736 PR rtl-optimization/35729
2737 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
2740 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
2743 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
2744 load/store if memory is unaligned.
2745 (*movti_rex64): Likewise.
2747 * config/i386/predicates.md (misaligned_operand): New.
2749 2008-03-31 Andrew Pinski <pinskia@gmail.com>
2752 * tree-ssa-phiopt.c (conditional_replacement): Return early for
2755 2008-03-31 Jan Beulich <jbeulich@novell.com>
2757 * config/ia64/constraints.md: Add 'j' constraint.
2758 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
2759 (movdi_internal): Likewise.
2761 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
2764 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
2766 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2769 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
2770 proper error message for the third argument on blendpd and
2773 * config/i386/sse.md (blendbits): New.
2774 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
2776 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
2778 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
2780 2008-03-30 Richard Guenther <rguenther@suse.de>
2783 * fold-const.c (fold_sign_changed_comparison): Do leave
2784 conversions to base-types alone.
2786 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2788 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
2789 the link register if one altivec register is be saved.
2791 2008-03-30 Ben Elliston <bje@au.ibm.com>
2793 * final.c (final_scan_insn): Remove if (0) code.
2795 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
2797 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
2799 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
2801 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
2802 of V4SFmode to ix86_binary_operator_ok.
2804 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
2806 * config/i386/i386.c (override_options): Initialize
2807 ix86_veclib_handler to ix86_veclibabi_svml when
2808 -mveclibabi=svml is used.
2809 (ix86_veclibabi_svml): New function for SVML ABI style
2810 vectorization support.
2811 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
2813 2008-03-28 Rafael Espindola <espindola@google.com>
2815 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2816 (tree_binary_nonnegative_warnv_p): Make it public.
2817 (tree_single_nonnegative_warnv_p): Make it public.
2818 (tree_invalid_nonnegative_warnv_p): Make it public.
2819 (tree_unary_nonzero_warnv_p): Make it public.
2820 (tree_binary_nonzero_warnv_p): Make it public
2821 (tree_single_nonzero_warnv_p): Make it public.
2822 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2823 (extract_range_from_binary_expr): Split the expr argument.
2824 (extract_range_from_unary_expr): Split the expr argument.
2825 (extract_range_from_comparison): Split the expr argument.
2826 (extract_range_from_expr): Use the new aux functions.
2827 (vrp_evaluate_conditional_warnv): Use
2828 vrp_evaluate_conditional_warnv_with_ops.
2829 * tree.h (tree_unary_nonzero_warnv_p): Declare.
2830 (tree_binary_nonzero_warnv_p): Declare.
2831 (tree_single_nonzero_warnv_p): Declare.
2832 (tree_expr_nonzero_warnv_p): Declare.
2833 (tree_unary_nonnegative_warnv_p): Declare.
2834 (tree_binary_nonnegative_warnv_p): Declare.
2835 (tree_single_nonnegative_warnv_p): Declare.
2836 (tree_invalid_nonnegative_warnv_p): Declare.
2838 2008-03-28 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/30317
2841 PR tree-optimization/30911
2842 PR tree-optimization/34793
2843 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2844 (struct assert_locus_d): New member EXPR.
2845 (register_new_assert_for): Add EXPR parameter to support
2846 ASSERT_EXPR <name, expr OP limit>.
2847 (register_edge_assert_for_1): Adjust callers.
2848 (find_assert_locations): Likewise.
2849 (process_assert_insertions_for): Build condition from expression.
2850 (extract_range_from_assert): Handle ASSERT_EXPRs
2851 of the form ASSERT_EXPR <name, expr OP limit>.
2852 (register_edge_assert_for_2): New helper registering
2853 asserts for comparisons. Recognize range tests of the form
2854 (unsigned)i - CST1 OP CST2.
2855 (register_edge_assert_for_1): Use it.
2856 (register_edge_assert_for): Likewise.
2857 (needs_overflow_infinity): Integer sub-types
2858 do not need overflow infinities.
2859 (vrp_val_is_max): The extreme values of integer sub-types
2860 are those of the base type.
2861 (vrp_val_is_min): Likewise.
2862 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2865 2008-03-28 Nick Clifton <nickc@redhat.com>
2868 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2869 Return GENERAL_REGS for stack adjustment reloads.
2871 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2874 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2875 const_vector when all the vectors are constant.
2877 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2879 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2881 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2882 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2884 (s<code>_sf): Use new scc_sf attribute for opcode names.
2886 2008-03-27 Tom Tromey <tromey@redhat.com>
2888 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2889 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2890 config/spu/t-spu-elf, config/i386/t-interix,
2891 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2892 config/i386/x-darwin, config/i386/x-mingw32,
2893 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2894 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2895 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2896 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2897 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2898 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2899 config/score/t-score-elf, config/arm/t-strongarm-pe,
2900 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2901 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2902 Revert automatic dependency patch.
2904 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2907 * config/i386/i386.c (ix86_function_arg_boundary): Align
2908 decimal floating point to its natural boundary.
2910 2008-03-27 Richard Guenther <rguenther@suse.de>
2913 * fold-const.c (fold_comparison): Restrict distinct decl
2914 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2915 solely rely on operand_equal_p.
2917 2008-03-27 Richard Guenther <rguenther@suse.de>
2920 * c-common.c (handle_weak_attribute): Reject combination of
2923 2008-03-27 Richard Guenther <rguenther@suse.de>
2925 PR tree-optimization/32810
2926 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
2927 conversions from DECL_INITIAL.
2928 (fold_const_aggregate_ref): Likewise from constructor elements.
2930 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
2932 * tree-affine.h (aff_combination_expand): Declare.
2933 (get_inner_reference_aff): Likewise.
2934 * tree-affine.c (aff_combination_expand): Split out from
2935 tree_to_aff_combination_expand.
2936 (get_inner_reference_aff): New function.
2937 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
2938 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
2939 (struct lim_aux_data): sm_done field removed.
2940 (mem_ref_loc_p, mem_ref_locs_p): New types.
2941 (struct mem_ref): Added id, stored, accesses_in_loop,
2942 indep_loop, dep_loop, indep_ref, dep_ref fields.
2943 Removed is_stored, locs and next fields.
2944 (memory_accesses): New variable.
2945 (movement_possibility): Do not allow moving statements
2946 that store to memory.
2947 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
2949 (determine_max_movement): For statements with memory references,
2950 find the outermost loop in that the reference is independent.
2951 (move_computations_stmt): Mark the virtual operands for renaming.
2952 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
2953 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
2954 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
2955 add_vop_ref_mapping, create_vop_ref_mapping_loop,
2956 create_vop_ref_mapping, analyze_memory_references,
2957 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
2958 get_all_locs_in_loop, ref_always_accessed_p,
2959 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
2960 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
2961 store_motion_loop, store_motion): New functions.
2962 (struct vop_to_refs_elt): New type.
2963 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
2964 memref_hash, memref_eq, hoist_memory_references): Rewritten.
2965 (schedule_sm): Replaced by...
2966 (execute_sm): ... this.
2967 (determine_lsm_ref, hoist_memory_references,
2968 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
2969 find_more_ref_vops, free_mem_ref, free_mem_refs,
2970 determine_lsm_loop, determine_lsm): Removed.
2971 (tree_ssa_lim_finalize): Free data structures used by store motion.
2972 (tree_ssa_lim): Call analyze_memory_references. Use
2973 store_motion instead of determine_lsm.
2975 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2977 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
2978 rename tmake_file to m68hc11/t-m68hc11.
2979 (mcore): Set inhibit_libc to true.
2980 * config.host (alpha*-dec-*vms*): Set extra_programs.
2981 (interix3*): Don't use host_xmake_file.
2982 * configure.ac: Let config.gcc override inhibit_libc.
2983 * configure: Regenerate.
2985 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
2986 * config/t-openbsd-thread: Remove commented out lines.
2988 * config/x-interix: Remove.
2990 * config/m68hc11/t-m68hc11-gas: Rename to...
2991 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
2993 * config/mcore/t-mcore: Remove T_CFLAGS.
2994 * config/mcore/t-mcore-pe: Likewise.
2996 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
2998 * configure.ac: Replace custom __GNU_SOURCE test with
2999 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
3000 * aclocal.m4: Regenerate.
3001 * configure: Regenerate.
3002 * config.in: Regenerate.
3004 2008-03-27 Richard Guenther <rguenther@suse.de>
3006 * fold-const.c (target.h): Include.
3007 (fold_comparison): Fold comparison of addresses of decls
3008 that bind locally or of constants. Consolidate address folding code.
3009 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
3010 results from fold_binary_to_constant.
3011 (compare_values_warnv): Likewise.
3013 2008-03-27 Andrew Pinski <pinskia@gmail.com>
3016 * fold-const.c (fold_truthop): Check for integeral types when folding
3017 a == 0 && b == 0 and a != 0 || b != 0 .
3019 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
3021 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
3023 2008-03-26 Andreas Schwab <schwab@suse.de>
3025 * doc/invoke.texi: Fix use of @item vs. @itemx.
3027 2008-03-26 Tom Tromey <tromey@redhat.com>
3029 * Makefile.in (build/gensupport.o, build/print-rtl.o,
3030 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
3031 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
3032 build/gencodes.o, build/genconditions.o, build/genconfig.o,
3033 build/genconstants.o, build/genemit.o, build/genextract.o,
3034 build/genflags.o, build/genmddeps.o, build/genopinit.o,
3035 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
3038 2008-03-26 Richard Guenther <rguenther@suse.de>
3041 2008-03-26 Richard Guenther <rguenther@suse.de>
3043 * fold-const.c (target.h): Include.
3044 (fold_comparison): Fold comparison of addresses of two decls
3045 that bind locally. Consolidate address folding code.
3047 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3050 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3051 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3052 dconstsqrt2, dconstthird, dconste and/or dconst10.
3053 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3054 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3055 dconstsqrt2, dconste): Delete.
3056 (init_emit_once): Likewise. Simplify initializing dconstm1.
3058 * real.c (get_real_const): New.
3059 * real.h (dconst3, dconst10, dconstm2, dconstthird,
3060 dconstsqrt2, dconste): Delete.
3061 (real_value_const, get_real_const): New.
3063 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
3065 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3067 * config/i386/i386.c (ix86_function_arg_boundary): Check
3068 BIGGEST_ALIGNMENT instead of 128.
3069 (setup_incoming_varargs_64): Likewise.
3071 2008-03-26 Tom Tromey <tromey@redhat.com>
3073 * Makefile.in (DEPFILES): Add missing '/'.
3075 2008-03-26 Richard Guenther <rguenther@suse.de>
3077 * fold-const.c (target.h): Include.
3078 (fold_comparison): Fold comparison of addresses of two decls
3079 that bind locally. Consolidate address folding code.
3081 2008-03-26 Nick Clifton <nickc@redhat.com>
3084 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3085 not allow INT+INT as a legitimate addressing mode.
3087 2008-03-26 Richard Guenther <rguenther@suse.de>
3089 * tree-flow.h (widen_bitfield): Remove declaration.
3090 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3091 (widen_bitfield): Remove function.
3092 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3095 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3098 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3101 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
3103 PR rtl-optimization/35232
3104 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3105 (forget_old_reloads_1, forget_marked_reloads): Don't clear
3106 reg_reloaded_call_part_clobbered here.
3107 (reload_regs_reach_end_p): New function.
3108 (reload_reg_rtx_for_input): New variable.
3109 (reload_reg_rtx_for_output): Likewise.
3110 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3111 when reassigning a pseudo register. Load reloadreg from
3112 reload_reg_rtx_for_input, moving the mode and register
3114 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
3115 instead of the original when deciding whether an input reload
3116 would be a no-op or whether an output reload can be deleted.
3117 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3118 when setting up new_spill_reg_store. Load it from
3119 reload_reg_rtx_for_output, moving the mode and register
3121 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
3122 instead of the original when deciding whether an output reload
3123 would be a no-op. Do the same when modifying insn notes.
3124 Use rtx_equal_p instead of == to compare the registers.
3125 (inherit_piecemeal_p): Take a mode and two register numbers
3127 (emit_reload_insns): Clear new_spill_reg_store for every hard
3128 register in the reload register. Remove spill registers
3129 from reg_reloaded_valid before considering whether to record
3130 inheritance information for them. Use reload_reg_rtx_for_output
3131 instead of reg_rtx when recording output reloads. Use
3132 reload_reg_rtx_for_input instead of reg_rtx when recording
3133 input reloads. Set or clear reg_reloaded_call_part_clobbered
3134 at the same time as setting reg_reloaded_valid.
3135 (delete_output_reload): Add a new_reload_reg parameter and use it
3136 instead of rld[j].reg_rtx.
3137 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3140 2008-03-25 Tom Tromey <tromey@redhat.com>
3142 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3143 (build/genattr.o): Likewise.
3144 (build/genattrtab.o): Likewise.
3145 (build/gencodes.o): Likewise.
3146 (build/genconfig.o): Likewise.
3147 (build/genconstants.o): Likewise.
3148 (build/genemit.o): Likewise.
3149 (build/genextract.o): Likewise.
3150 (build/genflags.o): Likewise.
3152 2008-03-25 Bob Wilson <bob.wilson@acm.org>
3154 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3155 instead of size_int for integer types.
3156 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
3157 to match type of MINUS_EXPR.
3159 2008-03-25 Tom Tromey <tromey@redhat.com>
3161 * configure: Rebuilt.
3162 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3165 2008-03-25 Tom Tromey <tromey@redhat.com>
3167 * config/x-solaris (host-solaris.o): Update.
3168 * config/x-linux (host-linux.o): Update.
3169 * config/x-hpux (host-hpux.o): Update.
3170 * config/x-darwin (host-darwin.o): Update.
3171 * config/v850/t-v850e (v850-c.o): Update.
3172 * config/v850/t-v850 (v850-c.o): Update.
3173 * config/t-vxworks (vxworks.o): Update.
3174 * config/t-sol2 (sol2-c.o, sol2.o): Update.
3175 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3176 * config/spu/t-spu-elf (spu-c.o): Update.
3178 * config/sh/t-symbian (sh-c.o): Update.
3179 (symbian.o): Update.
3180 * config/sh/t-sh (sh-c.o): Update.
3181 * config/score/t-score-elf (score7.o, score3.o): Update.
3182 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3183 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3184 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3185 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3187 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3188 * config/m32c/t-m32c (m32c-pragma.o): Update.
3189 * config/ia64/t-ia64 (ia64-c.o): Update.
3190 * config/i386/x-mingw32 (host-mingw32.o): Update.
3191 * config/i386/x-i386 (driver-i386.o): Update.
3192 * config/i386/x-darwin (host-i386-darwin.o): Update.
3193 * config/i386/x-cygwin (host-cygwin.o): Update.
3194 * config/i386/t-nwld (nwld.o): Update.
3195 * config/i386/t-netware (netware.o): Update.
3196 * config/i386/t-interix (winnt.o): Update.
3197 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3198 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3199 msformat-c.o): Update.
3200 * config/bfin/t-bfin-linux (generated_files): Add
3201 linux-sysroot-suffix.h.
3202 * config/arm/t-wince-pe (pe.o): Update.
3203 * config/arm/t-strongarm-pe (pe.o): Update.
3204 * config/arm/t-pe (pe.o): Update.
3205 * config/arm/t-arm (arm-c.o): Update.
3206 * doc/install.texi (Prerequisites): Require make 3.80.
3207 * Makefile.in: Remove .o targets.
3208 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3209 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3210 (simple_generated_h, simple_generated_c): Move earlier.
3211 (generated_files): New variable.
3212 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3213 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3214 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3215 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3216 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3217 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3218 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3219 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3220 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3221 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3222 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3223 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3225 (COMPILE.base, COMPILE): New variables.
3226 (%.o): New pattern rule.
3227 (ALL_HOST_OBJS): New variable.
3228 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3229 (dummy-checksum.o, cc1-checksum.o): Remove.
3230 (DRIVER_SHLIB): New variable.
3231 (DRIVER_DEFINES): Use it.
3232 (gencondmd.c): Move out of build/.
3233 (s-conditions): Update.
3234 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3235 (ALL_BUILD_OBJS): Likewise.
3236 (build/%.o): Use BUILDCOMPILE.
3237 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3238 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3239 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3240 build/gencheck.o, build/gencodes.o, build/genconditions.o,
3241 build/genconfig.o, build/genconstants.o, build/genemit.o,
3242 build/genextract.o, build/genflags.o, build/genmddeps.o,
3243 build/genopinit.o, build/genoutput.o, build/genpeep.o,
3244 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3245 build/gen-protos.o, build/scan.o, build/fix-header.o,
3246 build/scan-decls.o): Simplify.
3247 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3248 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3249 prefix.o, toplev.o): Reduce to variable setting.
3250 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
3251 ($(out_object_file), gcc-options.o): New targets.
3252 ($(ALL_HOST_OBJS)): New target. Include dependency files.
3253 * configure: Rebuilt.
3254 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3255 * doc/sourcebuild.texi (Front End Directory): Document new variable.
3257 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
3259 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3260 complain when we hit an error, return ERROR_MARK_NODE.
3262 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3264 * config/sh/constraints.md (Pso, Psz): New constraints.
3265 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3266 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3268 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3270 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3271 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3273 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3275 * config/sh/sh.md (prefetch): Add condition for SH2A target.
3276 (prefetch_sh2a): New.
3278 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3279 Naveen.H.S <naveen.hs@kpitcummins.com>
3281 * config/sh/constraints.md (I28): New constraint.
3282 * config/sh/sh.c (broken_move): Add support for movi20s.
3283 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3285 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
3286 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3287 Naveen.H.S <naveen.hs@kpitcummins.com>
3289 * config/sh/sh.c (SH_ATTRIBUTES): Define.
3290 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3291 (print_operand): Handle resbank in %@ operand code.
3292 (sh_encode_section_info): New.
3293 (push_regs): Add conditions for resbank.
3294 (sh_expand_epilogue): Likewise.
3295 (sh_insert_attributes): Likewise.
3296 (sh_attribute_table): Likewise.
3297 (sh_handle_resbank_handler_attribute): New.
3298 (sh2a_handle_function_vector_handler_attribute): New.
3299 (sh2a_is_function_vector_call): New.
3300 (sh2a_get_function_vector_number): New.
3301 (sh2a_function_vector_p): New.
3302 (sh_cfun_resbank_handler_p): New.
3303 * config/sh/sh.md (calli): Emit jsr/n if possible.
3304 (calli_tbr_rel): New.
3305 (calli_pcrel): Emit jsr/n if possible.
3306 (return_i): Emit rts/n if possible.
3307 (call_valuei_tbr_rel): New.
3308 (call_valuei_pcrel): Add condition for SH2A target.
3309 (call_value): Likewise.
3310 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3311 (sh2a_get_function_vector_number): Likewise.
3312 (sh2a_is_function_vector_call): Likewise.
3313 * doc/extend.texi: Document TBR relative addressing of SH2A.
3314 (resbank): Add description for SH2A.
3316 2008-03-24 Richard Guenther <rguenther@suse.de>
3319 * gimplify.c (gimplify_modify_expr): For frontend type-correct
3320 pointer assignments change conversions according to middle-end rules.
3321 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3322 * configure.ac: Include type checking in yes.
3323 * configure: Regenerate.
3325 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3327 * diagnostic.c (diagnostic_count_diagnostic): Delete.
3328 (diagnostic_report_diagnostic): Update. Handle ICEs here.
3330 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
3332 * gthr-vxworks.h (UNUSED): Define.
3334 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
3336 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3338 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3340 * doc/extend.texi (Function Attributes): Add missing comma in the
3341 example of the "alloc_size" attribute.
3343 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
3346 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3348 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3351 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3354 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3355 of the underlying type of a MS bitfield layout to the natural
3356 alignment of the type.
3358 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3360 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3361 to their natural alignment to avoid store forwarding stalls.
3363 2008-03-22 Richard Guenther <rguenther@suse.de>
3365 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3366 For PHI nodes verify the address is invariant.
3367 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3368 (get_symbol_constant_value): Use is_gimple_min_invariant.
3369 (maybe_fold_stmt_indirect): Likewise.
3371 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3373 PR rtl-optimization/33927
3374 * Makefile.in (dse.o): Depend on $(TM_P_H).
3375 * expr.h (extract_low_bits): Declare.
3376 * expmed.c (extract_low_bits): New function.
3377 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3378 * dse.c: Include tm_p.h.
3379 (find_shift_sequence): Remove the read_reg argument and return the
3380 read value. Emit the instructions instead of returning them.
3381 Iterate on new_mode rather than calculating it each time.
3382 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3383 source to NEW_MODE and extract_low_bits to convert the shifted
3385 (replace_read): Allow the load and store to have different mode
3386 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3387 or extraction instructions before trying the replacement. Update
3388 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3390 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3392 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3393 to their natural alignment to avoid store forwarding stalls.
3395 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3398 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3399 encouraging but not allowing gprs for input;
3400 change the input constraint to !f#r.
3401 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3403 change the output constraint to !f#r.
3405 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3408 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3409 corresponding post-reload splitters.
3410 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3411 when x87 FP math is selected.
3412 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3413 New function prototype.
3414 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3415 unreachable function to ease macroization of insn patterns.
3417 2008-03-21 Martin Jambor <mjambor@suse.cz>
3419 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3420 reference dumps if ddr is NULL or dependence is unknown.
3422 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3424 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3425 unsigned extension into account.
3426 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3427 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3428 Do computations on a scratch register.
3430 2008-03-21 Richard Guenther <rguenther@suse.de>
3432 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3433 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3434 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3435 * tree-ssa-dom.c (record_equality): Likewise.
3436 * tree-inline.c (copy_body_r): Likewise.
3437 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3440 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3442 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3443 as 'delete_unused' argument.
3445 2008-03-20 Richard Guenther <rguenther@suse.de>
3447 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3448 special casing of constant qualifiers.
3449 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3450 care about them in general.
3451 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3452 regardless of their type.
3453 (fold_stmt_r): Forcefully fold *& if we end up with that.
3455 2008-03-20 Paul Brook <paul@codesourcery.com>
3457 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3458 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3460 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3462 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3463 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3465 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3467 * common.opt (Wmudflap): New option.
3468 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3469 (mx_register_decls): Likewise.
3470 (mudflap_finish_file): Likewise.
3471 * doc/invoke.texi: Document -Wno-mudflap.
3473 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3475 * c-format.c (replace_format_name_to_system_name): New.
3477 (convert_format_name_to_system_name): New.
3478 (decode_format_attr): Add use of convert_format_name_to_system_name.
3479 (format_types_orig): Add gnu_ prefix to names.
3480 (check_format_info_main): Special treating of \0 escaped names for
3481 supporting multi-character format specifiers as I32, I64.
3482 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3483 (gnu_target_overrides_format_attributes): New.
3484 * c-format.h: Add structure target_ovr_attr to hold
3485 system specific formatter names.
3486 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3487 msformat-c.o file to c_target_objs and cxx_target_objs.
3488 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3489 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3490 (TARGET_N_FORMAT_TYPES): New.
3491 * config/i386/msformat-c.c: New.
3492 * config/i386/t-cygming: Add build rule for msformat-c.o.
3493 * doc/extend.texi: Add new format names gnu_* and ms_* and
3495 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3497 2008-03-20 Ira Rosen <irar@il.ibm.com>
3499 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3500 optimizations turned on under -O3.
3501 (ftree-vectorize): Add that the flag is turned on with -O3.
3503 2008-03-20 Ben Elliston <bje@au.ibm.com>
3505 * regmove.c (try_auto_increment): Fix spelling error in comment.
3506 * final.c (final_scan_insn): Likewise.
3508 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3511 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3512 allocator preferences for "y" and "r" class registers.
3513 ("*mov<mode>_internal"): Ditto.
3514 ("*movv2sf_internal_rex64"): Ditto.
3515 ("*movv2sf_internal"): Ditto.
3517 2008-03-19 Michael Matz <matz@suse.de>
3520 * calls.c (expand_call): Check overlap of arguments with call
3521 address for sibcalls.
3523 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3526 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3527 of the underlying type of a MS bitfield layout to the natural
3528 alignment of the type.
3530 2008-03-19 Jan Hubicka <jh@suse.cz>
3533 * toplev.c (decode_d_option): Handle all CPP flags.
3534 * tree-vrp.c: Update tree_pass descriptors.
3535 * regrename.c: Update tree_pass descriptors.
3536 * fwprop.c: Update tree_pass descriptors.
3537 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3538 * tree-into-ssa.c: Update tree_pass descriptors.
3539 * tree-dump.c: Update tree_pass descriptors.
3540 * tree-complex.c: Update tree_pass descriptors.
3541 * tree-dump.h: Update tree_pass descriptors.
3542 * see.c: Update tree_pass descriptors.
3543 * cgraphbuild.c: Update tree_pass descriptors.
3544 * tracer.c: Update tree_pass descriptors.
3545 * tree-loop-distribution.c: Update tree_pass descriptors.
3546 * cgraph.c: Update tree_pass descriptors.
3547 * postreload-gcse.c: Update tree_pass descriptors.
3548 * postreload.c: Update tree_pass descriptors.
3549 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3550 * tree-tailcall.c: Update tree_pass descriptors.
3551 * tree-pass.h (tree_opt_pass): Rename to ...
3552 (opt_pass) ... this one; add "type" field and remove letter field.
3553 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3554 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3555 all_lowering_passes): Update declaration.
3556 * ipa-cp.c: Update tree_pass descriptors.
3557 * final.c: Update tree_pass descriptors.
3558 * omp-low.c: Update tree_pass descriptors.
3559 * tree-ssa-dse.c: Update tree_pass descriptors.
3560 * ipa-reference.c: Update tree_pass descriptors.
3561 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3562 * auto-inc-dec.c: Update tree_pass descriptors.
3563 * reorg.c: Update tree_pass descriptors.
3564 * cgraphunit.c: Update tree_pass descriptors.
3565 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3566 * tree-ssa-ccp.c: Update tree_pass descriptors.
3567 * df-core.c: Update tree_pass descriptors.
3568 * mode-switching.c: Update tree_pass descriptors.
3569 * tree-nomudflap.c: Update tree_pass descriptors.
3570 * modulo-sched.c: Update tree_pass descriptors.
3571 * ipa-pure-const.c: Update tree_pass descriptors.
3572 * cse.c: Update tree_pass descriptors.
3573 * web.c: Update tree_pass descriptors.
3574 * tree-stdarg.c: Update tree_pass descriptors.
3575 * tree-ssa-math-opts.c: Update tree_pass descriptors.
3576 * tree-ssa-dom.c: Update tree_pass descriptors.
3577 * tree-nrv.c: Update tree_pass descriptors.
3578 * tree-ssa-alias.c: Update tree_pass descriptors.
3579 * loop-init.c: Update tree_pass descriptors.
3580 * gimple-low.c: Update tree_pass descriptors.
3581 * ipa-inline.c: Update tree_pass descriptors.
3582 * tree-ssa-sink.c: Update tree_pass descriptors.
3583 * global.c: Update tree_pass descriptors.
3584 * ifcvt.c: Update tree_pass descriptors.
3585 * jump.c: Update tree_pass descriptors.
3586 * predict.c: Update tree_pass descriptors.
3587 * tree-ssa-loop.c: Update tree_pass descriptors.
3588 * recog.c: Update tree_pass descriptors.
3589 * dse.c: Update tree_pass descriptors.
3590 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3591 * tree-eh.c: Update tree_pass descriptors.
3592 * regmove.c: Update tree_pass descriptors.
3594 * function.c: Update tree_pass descriptors.
3595 * tree-vectorizer.c: Update tree_pass descriptors.
3596 * gcse.c: Update tree_pass descriptors.
3597 * ipa-type-escape.c: Update tree_pass descriptors.
3598 * tree-if-conv.c: Update tree_pass descriptors.
3599 * init-regs.c: Update tree_pass descriptors.
3600 * ipa.c: Update tree_pass descriptors.
3601 * tree-ssa-phiopt.c: Update tree_pass descriptors.
3602 * rtl-factoring.c: Update tree_pass descriptors.
3603 * lower-subreg.c: Update tree_pass descriptors.
3604 * bt-load.c: Update tree_pass descriptors.
3605 * tree-dfa.c: Update tree_pass descriptors.
3606 * except.c: Update tree_pass descriptors.
3607 * emit-rtl.c: Update tree_pass descriptors.
3608 * cfgexpand.c: Update tree_pass descriptors.
3609 * tree-cfgcleanup.c: Update tree_pass descriptors.
3610 * cfgcleanup.c: Update tree_pass descriptors.
3611 * tree-ssa-pre.c: Update tree_pass descriptors.
3612 * tree-sra.c: Update tree_pass descriptors.
3613 * tree-mudflap.c: Update tree_pass descriptors.
3614 * tree-ssa-copy.c: Update tree_pass descriptors.
3615 * cfglayout.c: Update tree_pass descriptors.
3616 * tree-ssa-forwprop.c: Update tree_pass descriptors.
3617 * tree-ssa-dce.c: Update tree_pass descriptors.
3618 * tree-ssa.c: Update tree_pass descriptors.
3619 * regclass.c: Update tree_pass descriptors.
3620 * integrate.c: Update tree_pass descriptors.
3621 * tree-optimize.c: Update tree_pass descriptors.
3622 * tree-ssa-phiprop.c: Update tree_pass descriptors.
3623 * tree-object-size.c: Update tree_pass descriptors.
3624 * combine.c: Update tree_pass descriptors.
3625 * tree-outof-ssa.c: Update tree_pass descriptors.
3626 * bb-reorder.c: Update tree_pass descriptors.
3627 * stack-ptr-mod.c: Update tree_pass descriptors.
3628 * var-tracking.c: Update tree_pass descriptors.
3629 * tree-profile.c: Update tree_pass descriptors.
3630 * tree-vect-generic.c: Update tree_pass descriptors.
3631 * reg-stack.c: Update tree_pass descriptors.
3632 * sched-rgn.c: Update tree_pass descriptors.
3633 * tree-ssa-structalias.c: Update tree_pass descriptors.
3634 * tree-cfg.c: Update tree_pass descriptors.
3635 * passes.c (current_pass): Update declaration.
3636 (finish_optimization_passes): Update.
3637 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
3638 (register_one_dump_file, register_dump_files_1, next_pass_1):
3640 (init_optimization_passes): Update handling of new types.
3641 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
3642 * ipa-struct-reorg.c: Update tree_pass descriptors.
3643 * tree-ssa-reassoc.c: Update tree_pass descriptors.
3644 * combine-stack-adj.c: Update tree_pass descriptors.
3645 * cfgrtl.c: Update tree_pass descriptors.
3646 * dce.c: Update tree_pass descriptors.
3647 * tree-ssanames.c: Update tree_pass descriptors.
3649 2008-03-19 Richard Guenther <rguenther@suse.de>
3652 * tree-ssa.c (walk_data): New structure.
3653 (warn_uninitialized_var): If not always_executed warn with "maybe"
3655 (execute_early_warn_uninitialized): Compute post-dominators.
3656 Initialize always_executed before processing each basic block.
3658 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
3661 * config/i386/i386.c (x86_this_parameter): Calculate correct location
3662 of "this" pointer when "regparm = N" or "fastcall" is in effect.
3664 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3666 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
3668 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
3670 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
3672 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
3673 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
3674 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
3675 target after ignore has been set, and move there also the commputation
3676 of subtarget and original_target.
3677 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
3678 (LANG_HOOKS_INITIALIZER): Remove it.
3679 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
3681 2008-03-18 Richard Guenther <rguenther@suse.de>
3683 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
3684 found an expression with constants, note that in the VN for the lhs.
3685 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
3686 fold them to constants if possible. Run cleanup_cfg if done so.
3687 (execute_pre): Return todo.
3689 (execute_fre): Likewise.
3690 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
3692 (get_prop_source_stmt): Look through pointer conversions.
3694 2008-03-18 Jan Hubicka <jh@suse.cz>
3696 * tree-pretty-print.c: Include predict.h.
3697 (dump_generic_node): Dump predictor.
3698 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
3699 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
3700 * gimple-low.c (lower_stmt): Likewise.
3701 * expr.c (expand_expr_real): Likewise.
3702 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
3704 (build_predict_expr, build_predict_expr): New.
3705 * predict.h (predictor_name, build_predict_expr): Update.
3706 * c-typeck.c (c_finish_bc_stmt): Add prediction.
3707 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
3708 * predict.def (PRED_CONTINUE): Update hitrate.
3709 * tree.def (PREDICT_EXPR): Define.
3710 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3711 do not handle BIND_EXPR.
3712 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3713 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3714 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3717 2008-03-18 Michael Matz <matz@suse.de>
3719 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3721 2008-03-18 Richard Guenther <rguenther@suse.de>
3723 * tree-gimple.h (is_gimple_invariant_address): Declare.
3724 (is_gimple_constant): Likewise.
3725 * tree-gimple.c (is_gimple_constant): New function.
3726 (is_gimple_invariant_address): Likewise.
3727 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3728 and is_gimple_invariant_address.
3729 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3731 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3732 an addressable base.
3734 2008-03-18 Jakub Jelinek <jakub@redhat.com>
3737 * gimplify.c (gimplify_expr): Gimplify second operand of
3740 2008-03-17 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/19637
3743 * fold-const.c (fold_unary): Remove restrictions of removing
3744 intermediate pointer-conversions (P2)(P1)P0.
3745 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3746 conversion to void pointer.
3747 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3749 2008-03-16 James E. Wilson <wilson@tuliptree.org>
3752 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3753 emulated thread local variables.
3755 2008-03-16 Richard Guenther <rguenther@suse.de>
3758 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3759 expand TREE_INVARIANT operations that are not gimple invariant.
3761 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
3763 * doc/extend.texi (Alignment): Say that the ABI controls
3764 the __alignof__ for non-strict-alignment targets rather
3765 than being a recommendation.
3767 2008-03-15 Paul Brook <paul@codesourcery.com>
3769 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3771 (arm_output_fn_unwind): Mark functions that can not be unwound.
3773 2008-03-15 Paul Brook <paul@codesourcery.com>
3775 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3776 extension instructions.
3778 2008-03-15 Richard Guenther <rguenther@suse.de>
3780 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3781 and fold constant aggregate refs.
3782 (fold_const_aggregate_ref): Handle string constants
3783 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
3784 (evaluate_stmt): Simplify now that ccp_fold folds constant
3787 2008-03-15 Paul Brook <paul@codesourcery.com>
3789 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3790 (extzv): Use gen_extzv_t2.
3791 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3793 2008-03-15 Richard Guenther <rguenther@suse.de>
3795 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3796 (fold_const_aggregate_ref): Likewise.
3797 (get_value): Return NULL if we don't have any values.
3798 (ccp_finalize): Set const_val to NULL after freeing it.
3799 * tree-flow.h (get_symbol_constant_value): Declare.
3800 (fold_const_aggregate_ref): Likewise.
3801 * tree-ssa-sccvn.c (try_to_simplify): Use them.
3803 2008-03-15 Richard Guenther <rguenther@suse.de>
3806 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3807 to not produce negative array indices if not allowed. Add
3808 parameter to indicate that.
3809 (maybe_fold_offset_to_component_ref): Allow negative array
3810 indices only for the first member of a structure.
3811 (maybe_fold_offset_to_reference): Allow negative array indices.
3812 (maybe_fold_stmt_addition): Likewise.
3814 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
3815 Anatoly Sokolov <aesok@post.ru>
3817 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
3818 (avr_arch): Add ARCH_AVR6.
3819 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3820 (initial_elimination_offset): Initialize and use 'avr_pc_size'
3821 instead of fixed value 2.
3822 (print_operand_address): Use gs() asm specifier instead of pm().
3823 (avr_assemble_integer): (Ditto.).
3824 (avr_output_addr_vec_elt): (Ditto.).
3825 (print_operand): Handle "!" code.
3826 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
3827 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3828 (AVR_HAVE_EIJMP_EICALL): Define.
3829 (AVR_3_BYTE_PC): Redefine.
3830 (AVR_2_BYTE_PC): (Ditto.).
3831 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3832 (LINK_SPEC): Add atmega2560 and atmega2561.
3833 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3835 * config/avr/avr.md (call_insn): Use eicall instead of icall
3836 for 3 byte PC devices.
3837 (call_value_insn): (Ditto.).
3838 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3839 (indirect_jump): Use only for for 2 byte PC devices.
3840 (*tablejump): (Ditto.).
3841 (*indirect_jump_avr6): Add insn.
3842 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3843 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
3844 instead of ijmp for 3 byte PC devices.
3845 (__tablejump2__): (Ditto.).
3846 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3847 (MULITLIB_DIRNAMES): (Ditto.).
3848 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3850 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3852 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3853 "sse2_umulsidi3". Use V1DI mode for operand 0.
3854 ("mmx_psadbw"): Use V1DI mode for operand 0.
3855 * config/i386/i386-modes.def (V1SI): New vector mode.
3856 * config/i386/i386.c (struct builtin_description)
3857 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3858 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3859 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3860 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3861 v1di_ftype_v8qi_v8qi type.
3862 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3864 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3865 __builtin_ia32_pmuludq]: Fix the mode of return value.
3867 2008-03-15 Richard Guenther <rguenther@suse.de>
3870 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3873 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3875 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3876 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3877 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3878 unless TARGET_SERIALIZE_VOLATILE is enabled.
3879 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3880 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3881 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3883 2008-03-14 Richard Guenther <rguenther@suse.de>
3885 PR tree-optimization/34172
3886 * tree-flow.h (refs_may_alias_p): Declare.
3887 (get_single_def_stmt): Likewise.
3888 (get_single_def_stmt_from_phi): Likewise.
3889 (get_single_def_stmt_with_phi): Likewise.
3890 * tree-dfa.c (refs_may_alias_p): New function.
3891 (get_single_def_stmt): Likewise.
3892 (get_single_def_stmt_from_phi): Likewise.
3893 (get_single_def_stmt_with_phi): Likewise.
3894 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3895 (vn_reference_lookup_1): New helper function.
3896 (vn_reference_lookup): Walk the virtual use-def chain to
3897 continue searching for a match if the def does not alias the
3898 reference we are looking for.
3900 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3902 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3903 archive and Perzl. Update The Written Word listing.
3905 2008-03-14 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/34043
3908 PR tree-optimization/33989
3909 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3911 (bitmap_find_leader): Use extra argument to verify dominance
3912 relationship inside a basic-block.
3913 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3914 (find_leader_in_sets): Adjust.
3915 (create_component_ref_by_pieces): Take extra argument for
3916 dominance check, handle lookup failures.
3917 (find_or_generate_expression): Likewise.
3918 (create_expression_by_pieces): Likewise.
3919 (insert_into_preds_of_block): Adjust.
3920 (create_value_expr_from): If asked for, verify all operands
3921 are in the blocks AVAIL_OUT set.
3922 (make_values_for_stmt): Check for SSA_NAMEs that are life
3923 over an abnormal edge.
3924 (compute_avail): Remove such check.
3925 (do_SCCVN_insertion): New function.
3926 (eliminate): If we do not find a leader suitable for replacement
3927 insert a replacement expression from SCCVN if available.
3928 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
3929 (struct vn_ssa_aux): Add needs_insertion flag.
3930 * tree-ssa-sccvn.c (may_insert): New global flag.
3931 (copy_reference_ops_from_ref): Value-number union member access
3932 based on its size, not type and member if insertion is allowed.
3933 (visit_reference_op_load): For a weak match from union type
3934 punning lookup a view-converted value and insert a SSA_NAME
3935 for that value if that is not found.
3936 (visit_use): Make dumps shorter. Do not disallow value numbering
3937 SSA_NAMEs that are life over an abnormal edge to constants.
3938 (free_scc_vn): Release inserted SSA_NAMEs.
3939 (run_scc_vn): New flag to specify whether insertion is allowed.
3940 Process SSA_NAMEs in forward order.
3941 * tree-ssa-loop-im.c (for_each_index): Handle invariant
3942 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
3943 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
3944 pointer type to/from integral types that do not change the
3945 precision to regular conversions.
3947 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3949 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
3950 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
3951 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
3952 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
3953 input arguments and the mode of return value. Built-in functions
3954 that operate on whole 64-bit MMX register now use V1DI mode.
3956 2008-03-13 Alon Dayan <alond@il.ibm.com>
3957 Olga Golovanevsky <olga@il.ibm.com>
3959 PR tree-optimization/35041
3960 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
3961 to locate the right position in a statement.
3963 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
3967 * config/i386/xmmintrin.h: Change all static inline functions to
3968 extern inline and add __gnu_inline__ attribute.
3969 * config/i386/bmintrin.h: Ditto.
3970 * config/i386/smmintrin.h: Ditto.
3971 * config/i386/tmmintrin.h: Ditto.
3972 * config/i386/mmintrin-common.h: Ditto.
3973 * config/i386/ammintrin.h: Ditto.
3974 * config/i386/emmintrin.h: Ditto.
3975 * config/i386/pmmintrin.h: Ditto.
3976 * config/i386/mmintrin.h: Ditto.
3977 * config/i386/mm3dnow.h: Ditto.
3979 2008-03-13 Jakub Jelinek <jakub@redhat.com>
3982 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
3983 (lower_omp_2): New function.
3984 (lower_omp_1, lower_omp): Rewritten.
3986 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
3989 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
3990 with the phrase "Microsoft Windows compilers".
3991 (Push/Pop Macro Pragmas): New subsection. Document
3992 #pragma push_macro and pragma pop_macro.
3994 2008-03-12 Paul Brook <paul@codesourcery.com>
3996 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
3998 2008-03-12 Paul Brook <paul@codesourcery.com>
4000 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
4001 (thumb2_alusi3_short): Exclude PLUS and MINUS.
4002 (thumb2_addsi_shortim): Rename ...
4003 (thumb2_addsi_short): ... to this. Allow register operands.
4004 (thumb2_subsi_short): New pattern.
4005 (thumb2_one_cmplsi2_short,
4006 thumb2_negsi2_short): New patterns and peepholes.
4008 2008-03-12 Paul Brook <paul@codesourcery.com>
4010 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
4012 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
4014 * config/i386/i386.md (int_cond): New code iterator.
4016 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
4017 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
4018 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
4019 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
4020 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
4021 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
4022 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
4023 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
4025 2008-03-12 Paul Brook <paul@codesourcery.com>
4027 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
4028 instead of {arm,thumb}_compute_save_reg_mask.
4029 (output_return_instruction): Ditto.
4030 (thumb_unexpanded_epilogue): Ditto.
4031 (thumb1_expand_prologue): Ditto.
4032 (thumb1_output_function_prologue): Ditto.
4033 (arm_set_return_address): Ditto.
4034 (thumb_set_return_address): Ditto.
4035 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
4036 regs to achieve stack alignment.
4037 (thumb1_compute_save_reg_mask): Fix compiler warning.
4038 (arm_output_epilogue): Use offsets->saved_regs_mask.
4039 Adjust stack pointer by poping call clobered registers.
4040 (arm_expand_prologue): Use offsets->saved_regs_mask.
4041 Adjust stack pointer by pushing extra registers.
4042 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4044 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
4047 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4048 conversion to the operands of a multiplication.
4050 2008-03-12 Richard Guenther <rguenther@suse.de>
4052 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4053 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4054 * timevar.def (TV_TREE_PHIPROP): Add.
4055 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4056 pass description. Use TV_TREE_PHIPROP.
4057 * tree-ssa-forwprop.c: Remove phiprop code.
4059 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4062 * omp-low.c (maybe_lookup_decl): Constify first argument.
4063 (use_pointer_for_field): Change last argument from bool to
4064 omp_context *. Disallow shared copy-in/out in nested
4065 parallel if decl is shared in outer parallel too.
4066 (build_outer_var_ref, scan_sharing_clauses,
4067 lower_rec_input_clauses, lower_copyprivate_clauses,
4068 lower_send_clauses, lower_send_shared_vars): Adjust callers.
4070 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
4071 Ira Rosen <irar@il.ibm.com>
4073 * tree-vectorizer.c (free_stmt_vec_info): New function.
4074 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4075 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4076 * tree-vectorizer.h (free_stmt_vec_info): Declare.
4077 * tree-vect-transform.c (vectorizable_conversion): Free
4078 vec_oprnds0 if it was allocated.
4079 (vect_permute_store_chain): Remove unused VECs.
4080 (vectorizable_store): Free VECs that are allocated in the..
4082 (vect_transform_strided_load, vectorizable_load): Likewise.
4083 (vect_remove_stores): Simplify the code.
4084 (vect_transform_loop): Move code to vect_remove_stores().
4085 Call vect_remove_stores() and free_stmt_vec_info().
4087 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4089 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4090 TARGET_HPUX. Revise comment.
4091 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4092 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4093 Use sr4 variant of `be' instruction when not generating PIC code.
4094 (attr_length_call): Adjust for above change.
4096 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4098 * ipa-reference.c (static_execute): Remove module_statics_const and
4099 associated setting code.
4101 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4104 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4105 predicate for operand 1.
4106 (paritysi2_cmp): Use register_operand predicate for operand 2.
4107 Use earlyclobber modifier for operand 1. Remove support for
4109 (paritydi2_cmp): Use register_operand predicate for operand 3.
4110 Use earlyclobber modifier for operand 1. Remove support for
4113 2008-03-11 Paul Brook <paul@codesourcery.com>
4114 Vladimir Prus <vladimir@codesourcery.com>
4116 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4117 (arm_compute_save_reg0_reg12_mask): Always
4118 check if register 11 must be saved. Always safe hard frame pointer
4119 when frame_pointer_needeed.
4120 (arm_compute_save_reg_mask): Save IP and PC
4121 only with apcs frames.
4122 (arm_output_epilogue): Adjust Thumb2 codepath to
4123 be also invoked and work for ARM non-apcs frames.
4124 (arm_expand_prologue): Don't bother saving IP
4125 for non-apcs frame, since it's not clobbered by
4126 prologue code. Implement non-apcs frame
4129 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4131 PR rtl-optimization/35281
4132 * expr.c (convert_move): Use a new pseudo for the intermediate
4133 from_mode->word_mode result.
4135 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4137 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4138 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4139 * toplev.c (compile_file): Don't call it.
4141 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4144 * expr.c (store_expr): Call emit_block_move if the mode
4145 of "temp" RTX is BLKmode.
4147 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4148 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/31358
4151 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4152 the step with a NULL_TREE.
4153 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4154 to sizetype if type is a pointer type.
4155 (add_candidate_1): Don't convert the base and step to
4156 the generic type if the orginal type is a pointer type.
4157 (add_iv_value_candidates): Use sizetype for the step
4158 if type is a pointer type.
4159 (cand_value_at): Likewise.
4160 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4162 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4163 Don't convert the tem affine to the type.
4164 (add_elt_to_tree): Use sizetype for the step if a pointer.
4165 Use POINTER_PLUS_EXPR for pointers.
4166 (aff_combination_to_tree): Use sizetype for the step if a
4169 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
4171 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4172 Remove commutativity hint.
4174 2008-03-10 Jakub Jelinek <jakub@redhat.com>
4178 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4179 errorneous type. Check that v is a VAR_DECL.
4182 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4184 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
4186 PR tree-optimization/35494
4187 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4188 may be overriden at link and run time.
4190 2008-03-10 Richard Guenther <rguenther@suse.de>
4192 PR tree-optimization/34677
4193 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4194 (poolify_tree): Likewise.
4195 (modify_expr_template): Likewise.
4196 (poolify_modify_stmt): Likewise.
4197 (insert_fake_stores): Handle all component-ref style stores
4198 in addition to INDIRECT_REF. Also handle complex types.
4199 Do not poolify the inserted load.
4200 (realify_fake_stores): Do not rebuild the tree but only
4201 make it a SSA_NAME copy.
4202 (init_pre): Remove initialzation of modify_expr_template.
4203 Do not allocate modify_expr_node_pool.
4204 (fini_pre): Do not free modify_expr_node_pool.
4206 2008-03-10 Paul Brook <paul@codesourcery.com>
4208 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4211 2008-03-10 Paul Brook <paul@codesourcery.com>
4212 Mark Shinwell <shinwell@codesourcery.com>
4214 * config/arm/cortex-r4.md: New.
4215 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4217 * config/arm/arm.md: Include cortex-r4.md.
4218 (insn): Add smmls, sdiv and udiv values.
4219 (generic_sched): Don't use generic scheduling for Cortex-R4.
4220 (arm_issue_rate): New function.
4221 (TARGET_SCHED_ISSUE_RATE): Define.
4223 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
4225 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4227 2008-03-10 Richard Guenther <rguenther@suse.de>
4229 * tree-ssa-pre.c (get_sccvn_value): Simplify.
4230 (compute_avail): Do not add stmt uses to AVAIL_OUT.
4232 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
4234 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4235 Set default to true.
4237 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4239 * c.opt (Wsynth): Deprecate.
4240 * doc/invoke.texi (Option Summary, Warning Options): Document
4241 -Wno-format-contains-nul.
4243 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
4246 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4247 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4249 2008-03-09 Ira Rosen <irar@il.ibm.com>
4251 * config/rs6000/rs6000.c (builtin_description): Rename vector
4252 left shift operations.
4253 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4254 (altivec_vsl<VI_char>): Rename to ...
4255 (ashl<mode>3): ... new name.
4256 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4258 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4260 2008-03-08 Richard Guenther <rguenther@suse.de>
4262 * coverage.h (tree_coverage_counter_addr): Declare.
4263 * coverage.c (tree_coverage_counter_addr): New function.
4264 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4266 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4267 (tree_gen_one_value_profiler): Likewise.
4268 (tree_gen_ic_profiler): Likewise.
4269 (tree_gen_average_profiler): Likewise.
4270 (tree_gen_ior_profiler): Likewise.
4272 2008-03-08 Richard Guenther <rguenther@suse.de>
4274 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4275 (vn_binary_op_insert): Likewise.
4276 (vn_unary_op_lookup): Likewise.
4277 (vn_unary_op_insert): Likewise.
4278 (vn_nary_op_lookup): Declare.
4279 (vn_nary_op_insert): Likewise.
4280 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4281 and binary hashes, use a single obstack for unary_op_pool
4283 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4284 a single struct vn_nary_op_s. Store tree code length and
4285 a variable number of operands.
4286 (struct vn_reference_op_struct): Remove unused op2.
4287 (vn_reference_op_eq): Do not compare op2.
4288 (vn_reference_op_compute_hash): Do not compute hash of op2.
4289 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4290 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4291 with vn_nary_op_compute_hash.
4292 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4293 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4295 (vn_unary_op_insert, vn_binary_op_insert): Replace with
4297 (visit_unary_op): Call nary functions.
4298 (visit_binary_op): Likewise.
4299 (process_scc): Adjust for struct vn_tables_s changes.
4300 (allocate_vn_table): Likewise.
4301 (free_vn_table): Likewise.
4302 * tree-vn.c (vn_add): Call nary functions.
4303 (vn_lookup): Likewise.
4305 2008-03-08 Jakub Jelinek <jakub@redhat.com>
4308 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4309 wdst back after sync_compare_and_swapqhi_internal.
4311 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
4314 * config/i386/i386-modes.def (V1DI): New vector mode.
4315 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4316 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4317 (MMXMODE248): Ditto.
4318 (MMXMODE): Add V1DI mode.
4319 (mmxvecsize): Change DI mode to V1DI mode.
4320 ("mov<mode>): Use MMXMODEI8 mode iterator.
4321 ("*mov<mode>_internal_rex64"): Ditto.
4322 ("*mov<mode>_internal"): Ditto.
4323 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
4324 ("mmx_sub<mode>3"): Ditto.
4325 ("mmx_adddi3"): Remove insn pattern.
4326 ("mmx_subdi3"): Ditto.
4327 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4328 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4329 ("mmx_ashl<mode>3"): Ditto.
4330 ("mmx_lshrdi3"): Remove insn pattern.
4331 ("mmx_ashldi3"): Ditto.
4332 * config/i386/i386.c (classify_argument): Handle V1DImode.
4333 (function_arg_advance_32): Ditto.
4334 (function_arg_32): Ditto.
4335 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4336 mmx_addv1di3 insn pattern.
4337 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4338 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4339 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4340 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4341 Remove definitions of built-in functions.
4342 (V1DI_type_node): New node.
4343 (v1di_ftype_v1di_int): Ditto.
4344 (v1di_ftype_v1di_v1di): Ditto.
4345 (v2si_ftype_v2si_si): Ditto.
4346 (v4hi_ftype_v4hi_di): Remove node.
4347 (v2si_ftype_v2si_di): Ditto.
4348 (ix86_init_mmx_sse_builtins): Handle V1DImode.
4349 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4350 Redefine builtins using def_builtin_const with *_ftype_*_int node.
4351 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4352 Add new builtins using def_builtin_const.
4353 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4354 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4355 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4356 * config/i386/mmintrin.h (__v1di): New typedef.
4357 (_mm_add_si64): Cast arguments to __v1di type.
4358 (_mm_sub_si64): Ditto.
4359 (_mm_sll_pi16): Cast __count to __v4hi type.
4360 (_mm_sll_pi32): Cast __count to __v2si type.
4361 (_mm_sll_si64): Cast arguments to __v1di type.
4362 (_mm_srl_pi16): Cast __count to __v4hi type.
4363 (_mm_srl_pi32): Cast __count to __v2si type.
4364 (_mm_srl_si64): Cast arguments to __v1di type.
4365 (_mm_sra_pi16): Cast __count to __v4hi type.
4366 (_mm_sra_pi32): Cast __count to __v2si type.
4367 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4368 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4369 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4370 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4371 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4372 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4373 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4374 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4375 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4376 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4377 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4378 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4380 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4382 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4384 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4387 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4388 reg+const addressing for Altivec modes. Don't generate reg+reg
4389 addressing for TFmode or TDmode quantities.
4391 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4393 * c-common.c (vector_types_convertible_p): Call langhook
4394 instead of comptypes.
4396 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4399 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4400 integral and scalar float variables which have a
4403 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4405 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4406 dwarf_register_span hook when emitting unwind information for
4407 register-to-memory saves.
4408 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4409 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4411 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4413 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4414 for the same VAR_DECL.
4416 2008-03-06 Tom Tromey <tromey@redhat.com>
4419 * doc/standards.texi (Standards): Don't mention treelang.
4420 * doc/invoke.texi (Overall Options): Don't mention treelang.
4421 * doc/install.texi (Prerequisites): Don't mention bison or
4423 (Configuration): Don't mention treelang.
4424 (Building): Likewise.
4425 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4427 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4429 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4430 word-extractions out of a multi-word object.
4432 2008-03-06 Richard Guenther <rguenther@suse.de>
4434 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4435 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4436 result type and precision.
4437 * expr.c (get_inner_reference): Set unsignedp based on the result
4438 type of BIT_FIELD_REF.
4439 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4440 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4441 (try_instantiate_multiple_fields): Likewise. Use the correct type
4443 (sra_build_assignment): Likewise.
4444 (sra_build_elt_assignment): Likewise.
4445 (sra_explode_bitfield_assignment): Likewise.
4446 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4447 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4448 set BIT_FIELD_REF_UNSIGNED.
4449 (vectorizable_load): Likewise.
4451 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4453 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4456 2008-03-06 Richard Guenther <rguenther@suse.de>
4458 * alias.c (struct alias_set_entry): Move has_zero_child field
4459 to pack with alias_set.
4461 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4463 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4466 2008-03-05 Ian Lance Taylor <iant@google.com>
4468 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4470 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4472 * fwprop.c (update_df): Support width and offset parameters of
4474 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4475 global_conflicts): Change DF_REF_EXTRACT to either
4476 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4477 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4478 * df-scan.c (df_ref_record, df_defs_record,
4479 df_ref_create_structure, df_def_record_1, df_uses_record,
4480 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4481 df_bb_refs_collect, df_entry_block_defs_collect,
4482 df_exit_block_uses_collect): Support new width and offset fields.
4483 (ref_extract_pool): New storage pool.
4484 (df_free_ref): New function.
4485 (df_reg_chain_unlink, df_free_collection_rec,
4486 df_sort_and_compress_refs): Call df_free_ref.
4487 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4489 (df_ref_create_structure): Allocate df_ref_extract if offset and
4490 width fields are used.
4491 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4492 (df_uses_record): Get offset and width from ZERO_EXTRACT
4494 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4495 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4496 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4497 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4498 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4499 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4500 (df_ref_extract): New structure.
4501 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4502 (df_ref_create): Add width and offset parameters.
4504 2008-03-05 Richard Guenther <rguenther@suse.de>
4506 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4507 Use ranges_overlap_p.
4508 (offset_overlaps_with_access): Rename
4509 to ranges_overlap_p and move ...
4510 * tree-flow-inline.h (ranges_overlap_p): ... here.
4512 * tree.h (get_inner_reference, handled_component_p): Update
4515 * tree.h (record_component_aliases, get_alias_set,
4516 alias_sets_conflict_p, alias_sets_must_conflict_p,
4517 objects_must_conflict_p): Move declarations ...
4518 * alias.h (record_component_aliases, get_alias_set,
4519 alias_sets_conflict_p, alias_sets_must_conflict_p,
4520 objects_must_conflict_p): ... here.
4521 Include coretypes.h.
4522 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4524 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4526 * cfg.c: Include tree-flow.h.
4527 (remove_edge_raw): Call redirect_edge_var_map_clear.
4528 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4529 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4530 (redirect_edge_var_map_result): New.
4531 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4532 PENDING_STMT use with redirect_edge_var_map_*.
4533 * tree-ssa.c (edge_var_maps): New definition.
4534 (redirect_edge_var_map_add): New.
4535 (redirect_edge_var_map_clear): New.
4536 (redirect_edge_var_map_dup): New.
4537 (redirect_edge_var_map_vector): New.
4538 (redirect_edge_var_map_destroy): New.
4539 (ssa_redirect_edge): Replace PENDING_STMT use with
4540 redirect_edge_var_map_*.
4541 (flush_pending_stmts): Same.
4542 (delete_tree_ssa): Destroy edge var map.
4543 * tree-flow.h (struct _edge_var_map): New.
4544 Define edge_var_map vector type.
4545 Declare redirect_edge_var_map_* prototypes.
4546 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4547 * tree-cfg.c (reinstall_phi_args): Replace
4548 PENDING_STMT use with redirect_edge_var_map_*.
4550 2008-03-05 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/35472
4553 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4554 whose single use_stmt has a overlapping set of loaded and
4555 stored symbols as that use_stmt might be a noop assignment then.
4557 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4559 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4561 2008-03-05 Richard Guenther <rguenther@suse.de>
4564 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4565 should be constants.
4566 * tree-cfg.c (verify_expr): Verify it.
4567 * fold-const.c (fold_truthop): Remove code generating
4568 BIT_FIELD_REFs of structure bases.
4569 (fold_binary): Likewise.
4570 (fold_ternary): Position and size of BIT_FIELD_REFs are
4571 always host integers.
4572 (make_bit_field_ref): Remove.
4573 (optimize_bit_field_compare): Remove.
4574 (all_ones_mask_p): Remove.
4576 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
4579 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4580 (split_block_and_df_analyze): New. Split basic block and rebuild
4582 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4584 (split_pattern_seq): Likewise.
4585 (erase_matching_seqs): Likewise.
4586 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4588 2008-03-04 Geoff Keating <geoffk@apple.com>
4590 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4591 declaration and code.
4592 (tree_invalid_nonnegative_warnv_p): Likewise.
4594 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4596 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4597 examples. Truncate option-names then causing overfull hbox.
4599 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4602 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4604 * configure: Rebuilt.
4606 2008-03-04 Rafael Espindola <espindola@google.com>
4608 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4609 (tree_unary_nonnegative_warnv_p): New.
4610 (tree_binary_nonnegative_warnv_p): New.
4611 (tree_single_nonnegative_warnv_p): New.
4612 (tree_invalid_nonnegative_warnv_p): New.
4613 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4615 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4618 * opts.c (handle_option): Postpone 'unknown option' errors only for
4621 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
4624 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4627 2008-03-04 Rafael Espindola <espindola@google.com>
4629 * fold-const.c (tree_unary_nonzero_warnv_p): New.
4630 (tree_binary_nonzero_warnv_p): New.
4631 (tree_single_nonzero_warnv_p): New.
4632 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4634 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
4637 * fold-const.c (fold_cond_expr_with_comparison): Prevent
4638 transformations for modes that have signed zeros.
4639 * ifcvt.c (noce_try_abs): Ditto.
4641 2008-03-04 Joseph Myers <joseph@codesourcery.com>
4643 * config/i386/i386.c (override_options): Force
4644 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
4646 2008-03-04 Jan Hubicka <jh@suse.cz>
4649 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
4652 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4654 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
4655 label to probe the stack.
4657 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4659 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
4660 (__gthr_win32_mutex_destroy): Declare.
4661 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
4662 __gthr_win32_mutex_destroy.
4663 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
4665 2008-03-03 Jan Hubicka <jh@suse.cz>
4668 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
4669 aggressive on inlining cold calls.
4671 2008-03-03 Richard Guenther <rguenther@suse.de>
4673 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
4674 struct copies into the expression table.
4675 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
4676 (try_to_simplify): Likewise.
4677 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
4678 integral and pointer arguments which do not change the
4679 precision to NOP_EXPRs.
4680 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
4681 VIEW_CONVERT_EXPR case.
4683 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
4685 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4686 defined in a loop at depth 0 is invariant.
4687 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4688 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4689 be called at loop depth 0.
4691 2008-03-02 Jakub Jelinek <jakub@redhat.com>
4694 * gcc.c (process_command): Update copyright notice dates.
4695 * gcov.c (print_version): Likewise.
4696 * gcov-dump.c (print_version): Likewise.
4697 * mips-tfile.c (main): Likewise.
4698 * mips-tdump.c (main): Likewise.
4700 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4703 * c-common.c (flag_permissive): Delete.
4704 (constant_expression_warnings): Check flags first.
4705 (constant_expression_error): New.
4706 * c-common.h (flag_permissive): Delete.
4707 (constant_expression_error): Declare.
4708 * flags.h (flag_permissive): Declare. Update description.
4709 * diagnostic.c (pedwarn): Update.
4711 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4712 (permissive_error_kind): New.
4713 * toplev.c (flag_permissive): Define. Update description.
4714 * toplev.h (permissive_error_kind): Declare.
4715 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4716 (pedwarn_c90): Use pedantic_warning_kind.
4717 * c-opts.c (c_common_post_options): flag_permissive does not affect
4718 flag_pedantic_errors.
4720 2008-03-02 Joseph Myers <joseph@codesourcery.com>
4722 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4723 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4724 __absvsi2, __absvDI2): Use unsigned arithmetic.
4726 2008-03-02 Andi Kleen <ak@suse.de>
4727 Richard Guenther <rguenther@suse.de>
4729 * struct-equiv.c: Remove file.
4730 * cfg_cleanup.c (condjump_equiv_p): Remove.
4731 * Makefile.in (OBJS-common): Remove struct-equiv.o.
4732 (struct-equiv.o): Remove rule.
4733 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4734 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
4735 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4737 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4739 * ifcvt.c (noce_process_if_block): Try to handle only the then
4740 block if the else block exists but isn't suitable.
4742 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4745 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4746 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4747 regression from previous patch.
4749 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4752 * gthr.h: Add __gthread_mutex_destroy as a function that must be
4754 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4755 * gthr-single.h (__gthread_mutex_destroy): Likewise.
4756 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4757 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4758 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4759 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4760 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4761 (__gthread_mutex_destroy_function): Rename to
4762 __gthread_mutex_destroy.
4763 * gthr-dce.h (__gthread_mutex_destroy): Call
4764 pthread_mutex_destroy.
4765 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4766 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4767 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4769 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4771 * df-scan.c (df_ref_chain_change_bb): Simplify.
4772 (df_insn_change_bb): Add new_bb argument. Simplify. Call
4773 set_block_for_insn if there's any change.
4774 * df.h ((df_insn_change_bb): Fix prototype.
4775 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4776 df_insn_change_bb, don't call set_block_for_insn.
4777 * emit-rtl.c (reorder_insns): Likewise.
4778 * haifa-sched.c (move_insn): Likewise.
4780 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4782 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4784 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4786 * tree-flow-inline.h (next_readonly_imm_use): Return
4787 NULL_USE_OPERAND_P after the end.
4789 2008-03-01 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/35411
4792 * tree-sra.c (sra_build_assignment): Split conversion to
4793 final type to a separate statement if we are not assigning
4796 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4798 * fold-const.c (fold_convertible_p): Correct the logic to follow
4799 that in fold_convert().
4801 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
4804 * tree-inline.c (build_duplicate_type): When we make a
4805 duplicate type, make it unique in the canonical types system.
4807 2008-02-29 Tom Tromey <tromey@redhat.com>
4809 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4810 input_file_stack_history, input_file_stack_restored): Remove.
4811 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4812 * input.h (struct file_stack): Remove.
4813 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4814 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4816 * diagnostic.h (struct diagnostic_context) <last_module>: Change
4818 (diagnostic_last_module_changed): Add 'map' argument.
4819 (diagnostic_set_last_function): Likewise.
4820 * diagnostic.c (undiagnostic_report_current_module): Iterate using
4821 line map, not input_file_stack.
4822 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4824 2008-02-29 Paul Brook <paul@codesourcery.com>
4826 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4828 2008-02-29 Paul Brook <paul@codesourcery.com>
4830 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4832 2008-02-29 Richard Guenther <rguenther@suse.de>
4834 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4836 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4837 value for comparing for a store match.
4838 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4839 (try_to_simplify): Do not do a full-blown reference lookup.
4841 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4843 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4844 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4846 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4848 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4850 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4851 strides against cache sizes.
4853 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4855 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4858 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4860 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4861 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4862 is smaller than the original promoted value.
4863 (simplify_subreg): If OP is a SUBREG, try to preserve its
4864 SUBREG_PROMOTED_VAR_P information.
4866 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4868 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4869 (VN_INFO_GET): Allocate new objects on the obstack.
4870 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4871 for rpo_numbers_temp, for consistency.
4872 (free_scc_vn): Free the obstack.
4874 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4876 * doc/invoke.texi: Document -ftree-loop-distribution.
4877 * tree-loop-distribution.c: New.
4878 * tree-pass.h (pass_loop_distribution): New.
4879 * graphds.h (struct graph): Add htab_t indices.
4880 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4881 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4882 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4883 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4884 * tree-data-ref.c (debug_data_dependence_relations): New.
4885 (dump_data_dependence_relation): Also print data references.
4886 (free_data_ref): Extern.
4887 (same_access_functions): Moved...
4888 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4889 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4890 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4891 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4892 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4893 (stmts_from_loop): Skip LABEL_EXPR.
4894 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4896 (build_rdg): Initialize rdg->indices htab.
4897 (free_rdg, stores_from_loop, ref_base_address,
4898 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4899 have_similar_memory_accesses_1, ref_base_address_1,
4900 remove_similar_memory_refs): New.
4901 * tree-data-ref.h: Depend on tree-chrec.h.
4902 (debug_data_dependence_relations, free_data_ref): Declared.
4903 (same_access_functions): ... here.
4904 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4906 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4907 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4908 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4909 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4910 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4911 rdg_vertex_for_stmt): Declared.
4912 (struct rdg_edge): Add level.
4914 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4915 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4917 (rdg_has_similar_memory_accesses): New.
4918 * tree-vect-analyze.c: Remove unused static decls.
4919 * lambda.h (dependence_level): New.
4920 * common.opt (ftree-loop-distribution): New.
4921 * tree-flow.h (mark_virtual_ops_in_bb,
4922 slpeel_tree_duplicate_loop_to_edge_cfg,
4923 rename_variables_in_loop): Declared.
4924 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
4925 (OBJS-common): Add tree-loop-distribution.o.
4926 (tree-loop-distribution.o): New rule.
4927 * tree-cfg.c (mark_virtual_ops_in_bb): New.
4928 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
4929 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
4931 2008-02-28 Joseph Myers <joseph@codesourcery.com>
4934 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
4935 other than structures and unions.
4937 2008-02-28 Richard Guenther <rguenther@suse.de>
4940 2008-02-26 Richard Guenther <rguenther@suse.de>
4942 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
4943 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
4944 (lookup_decl_from_uid): Declare.
4945 (remove_decl_from_map): Likewise.
4946 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
4947 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
4948 (decl_for_uid_map): New global hashtable mapping DECL_UID
4950 (init_ttree): Allocate it.
4951 (insert_decl_to_uid_decl_map): New helper function.
4952 (make_node_stat): Insert new decls into the map.
4953 (copy_node_stat): Likewise.
4954 (lookup_decl_from_uid): New function.
4955 (remove_decl_from_map): Likewise.
4956 (print_decl_for_uid_map_statistics): New helper.
4957 (dump_tree_statistics): Call it.
4959 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
4960 (referenced_var_iterator): Adjust.
4961 (FOR_EACH_REFERENCED_VAR): Adjust.
4962 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
4963 (num_referenced_vars): Adjust.
4964 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
4965 (first_referenced_var): Remove.
4966 (end_referenced_vars_p): Likewise.
4967 (next_referenced_var): Likewise.
4968 (referenced_var_iterator_set): New helper function.
4969 * tree-dfa.c (referenced_var_lookup): Adjust.
4970 (referenced_var_check_and_insert): Likewise.
4971 (remove_referenced_var): Likewise.
4972 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
4973 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4974 (verify_call_clobbering): Likewise.
4975 (verify_memory_partitions): Likewise.
4976 (init_tree_ssa): Allocate bitmap instead of hashtable for
4978 (delete_tree_ssa): Adjust.
4979 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
4980 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
4981 (compute_tag_properties): Likewise.
4982 (set_initial_properties): Likewise.
4983 (find_partition_for): Likewise.
4984 (update_reference_counts): Likewise.
4985 (dump_may_aliases_for): Likewise.
4986 * tree-ssa-operands.c (add_virtual_operand): Likewise.
4987 (add_call_clobber_ops): Likewise.
4988 (add_call_read_ops): Likewise.
4989 (get_asm_expr_operands): Likewise.
4990 * tree-into-ssa.c (dump_decl_set): Likewise.
4991 (update_ssa): Likewise.
4992 * tree-sra.c (scan_function): Likewise.
4993 (decide_instantiations): Likewise.
4994 (scalarize_parms): Likewise.
4995 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
4996 (dsa_named_for): Likewise.
4997 * tree-ssa-structalias.c (update_alias_info): Likewise.
4998 (merge_smts_into): Likewise.
5000 2008-02-27 David Daney <ddaney@avtrex.com>
5003 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
5004 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
5005 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
5006 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
5007 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
5009 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
5012 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
5013 (BUILT_IN_NEXTTOWARD): Remove.
5014 (BUILT_IN_NEXTTOWARDF): Ditto.
5015 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
5016 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
5018 2008-02-27 Tom Tromey <tromey@redhat.com>
5020 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
5021 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
5023 2008-02-27 Jan Beulich <jbeulich@novell.com>
5025 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
5026 update the respective field on newdecl.
5028 2008-02-27 Revital Eres <eres@il.ibm.com>
5030 PR rtl-optimization/34999
5031 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
5032 crossing edges that ends with a call insn.
5033 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
5034 call insn and clear the EDGE_CROSSING flag of the crossing edge
5035 when fixing fallthru edges.
5037 2008-02-27 Richard Guenther <rguenther@suse.de>
5040 * fold-const.c (fold_unary): Return the correct argument,
5041 converted to the result type.
5043 2008-02-27 Richard Guenther <rguenther@suse.de>
5046 * expr.c (expand_expr_real_1): Assert on rotates that operate
5048 * fold-const.c (fold_binary): Use the types precision, not the
5049 bitsize of the mode if folding rotate expressions. Build rotates
5050 only for full modes.
5052 2008-02-27 Jakub Jelinek <jakub@redhat.com>
5054 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5056 * c-pragma.c (pragma_ns_name): New typedef.
5057 (registered_pp_pragmas): New variable.
5058 (c_pp_lookup_pragma): New function.
5059 (c_register_pragma_1): If flag_preprocess_only, do nothing
5060 for non-expanded pragmas, for expanded ones push pragma's
5061 namespace and name into registered_pp_pragmas vector.
5062 (c_invoke_pragma_handler): Register OpenMP pragmas even when
5063 flag_preprocess_only, don't register GCC pch_preprocess
5064 pragma if flag_preprocess_only.
5065 * c-opts.c (c_common_init): Call init_pragma even if
5066 flag_preprocess_only.
5067 * c-pragma.c (c_pp_lookup_pragma): New prototype.
5068 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5069 cpp_register_pragma if flag_preprocess_only.
5071 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5074 * c-parser.c (c_parser_translation_unit): Warn for empty
5075 translation unit, not empty source file.
5077 2008-02-26 Paul Brook <paul@codesourcery.com>
5079 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5080 operand for Thumb-2.
5081 * config/arm/arm.h (reg_class): Add CORE_REGS.
5082 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5083 (BASE_REG_CLASS): Use CORE_REGS.
5084 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5085 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5086 (REGNO_OK_FOR_INDEX_P): Exclude SP.
5087 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
5088 ARM_REGNO_OK_FOR_INDEX_P.
5089 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5090 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5091 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5092 (ldm/stm peepholes): Ditto.
5093 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5094 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5095 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5096 * config/arm/constraints.md: Enable "k" constraint on ARM.
5098 2008-02-27 Ben Elliston <bje@au.ibm.com>
5100 * config/rs6000/rs6000.c: Annotate cache line size field in all
5101 instances of struct processor_costs.
5103 2008-02-26 David Edelsohn <edelsohn@gnu.org>
5105 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5106 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5107 jump_bypass): New counters.
5108 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5109 * dce.c (gate_ud_dce): Same.
5110 (gate_fast_dce): Same.
5111 * dse.c (gate_dse1): New function.
5112 (gate_dse2): New function.
5113 (gate_dse): Merge results of new gate functions.
5114 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5115 (gate_handle_jump_bypass): Add dbg_cnt.
5116 (gate_handle_gcse): Add dbg_cnt.
5117 * ifcvt.c (gate_handle_if_conversion): Same.
5118 (gate_handle_if_after_combine): Same.
5119 (gate_handle_if_after_reload): Same.
5120 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5122 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
5124 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5126 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5128 2008-02-26 Jason Merrill <jason@redhat.com>
5131 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
5132 alone if it's the naming decl for the type's main variant.
5134 2008-02-26 Tom Tromey <tromey@redhat.com>
5136 * system.h (USE_MAPPED_LOCATION): Poison.
5137 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5138 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5139 (make_goto_expr_edges): Likewise.
5140 (remove_bb): Likewise.
5141 (execute_warn_function_return): Likewise.
5142 * basic-block.h (struct edge_def) <goto_locus>: Change type to
5144 * c-common.c (fname_decl): Remove old location code.
5145 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5147 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5149 (ASM_INPUT_SOURCE_LOCATION): Likewise.
5150 (gen_rtx_ASM_INPUT): Likewise.
5151 (gen_rtx_ASM_INPUT_loc): Likewise.
5152 (get_rtx_asm_OPERANDS): Remove.
5153 * cfglayout.c (insn_locators_alloc): Remove old location code.
5154 (set_curr_insn_source_location): Likewise.
5155 (curr_insn_locator): Likewise.
5156 * print-tree.c (print_node): Remove old location code.
5157 * tree-mudflap.c (mf_varname_tree): Remove old location code.
5158 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5159 * cfgexpand.c (expand_gimple_cond_expr): Don't use
5160 location_from_locus.
5161 (construct_exit_block): Remove old location code.
5162 * emit-rtl.c (force_next_line_note): Remove old location code.
5163 * profile.c (branch_prob): Remove old location code.
5164 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5165 LOC_LINE): Remove old-location variants.
5166 * langhooks.c (lhd_print_error_function): Remove old location
5168 * configure, config.in: Rebuilt.
5169 * configure.ac (--enable-mapped-location): Remove.
5170 * c-decl.c (c_init_decl_processing): Remove old location code.
5171 (finish_function): Likewise.
5172 * recog.c (decode_asm_operands): Remove old location code.
5173 * c-pch.c (c_common_read_pch): Remove old location code.
5174 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5176 * gimple-low.c (lower_function_body): Remove old location code.
5177 * toplev.c (unknown_location): Remove.
5178 (push_srcloc): Remove old-location variant.
5179 (process_options): Remove old location code.
5180 (lang_dependent_init): Likewise.
5181 * input.h (UNKNOWN_LOCATION): Move definition.
5182 (location_t): Undeprecate.
5183 (source_locus): Remove.
5184 (location_from_locus): Remove.
5185 (struct location_s): Remove.
5186 Remove all old-location code.
5187 (input_line, input_filename): Remove.
5188 * final.c (final_scan_insn): Remove old location code.
5189 * diagnostic.c (diagnostic_build_prefix): Remove
5190 USE_MAPPED_LOCATION test.
5191 * tree.h (gimple_stmt) <locus>: Now a location_t.
5192 (tree_exp) <locus>: Likewise.
5193 (DECL_IS_BUILTIN): Remove old-location variant.
5194 (annotate_with_file_line, annotate_with_locus): Likewise.
5195 (expr_locus, set_expr_locus): Update.
5196 * tree.c (build1_stat): Remove old location code.
5197 (last_annotated_node): Remove.
5198 (annotate_with_file_line): Remove old-location variant.
5199 (annotate_with_locus): Likewise.
5200 (expr_location): Remove old location code.
5201 (set_expr_location): Likewise.
5202 (expr_has_location): Likewise.
5203 (expr_locus): Likewise.
5204 (set_expr_locus): Likewise.
5205 (expr_filename): Don't use location_from_locus.
5206 (expr_lineno): Likewise.
5207 * rtl-error.c (location_for_asm): Remove old location code.
5208 * c-lex.c (cb_line_change): Remove old location code.
5209 (fe_file_change): Likewise.
5210 (cb_def_pragma): Likewise.
5211 (c_lex_with_flags): Likewise.
5212 * gengtype.c (do_typedef): Don't special-case location types.
5213 (define_location_structures): Remove.
5214 (main): Don't call define_location_structures.
5215 * tree-pretty-print.c (dump_implicit_edges): Remove old location
5218 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5221 * builtins.def (BUILT_IN_STDARG_START): Remove.
5222 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5223 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5224 * tree-inline.c (inline_forbidden_p_1): Likewise.
5226 2008-02-26 Richard Guenther <rguenther@suse.de>
5228 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5229 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5230 (lookup_decl_from_uid): Declare.
5231 (remove_decl_from_map): Likewise.
5232 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5233 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5234 (decl_for_uid_map): New global hashtable mapping DECL_UID
5236 (init_ttree): Allocate it.
5237 (insert_decl_to_uid_decl_map): New helper function.
5238 (make_node_stat): Insert new decls into the map.
5239 (copy_node_stat): Likewise.
5240 (lookup_decl_from_uid): New function.
5241 (remove_decl_from_map): Likewise.
5242 (print_decl_for_uid_map_statistics): New helper.
5243 (dump_tree_statistics): Call it.
5245 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5246 (referenced_var_iterator): Adjust.
5247 (FOR_EACH_REFERENCED_VAR): Adjust.
5248 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5249 (num_referenced_vars): Adjust.
5250 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5251 (first_referenced_var): Remove.
5252 (end_referenced_vars_p): Likewise.
5253 (next_referenced_var): Likewise.
5254 (referenced_var_iterator_set): New helper function.
5255 * tree-dfa.c (referenced_var_lookup): Adjust.
5256 (referenced_var_check_and_insert): Likewise.
5257 (remove_referenced_var): Likewise.
5258 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5259 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5260 (verify_call_clobbering): Likewise.
5261 (verify_memory_partitions): Likewise.
5262 (init_tree_ssa): Allocate bitmap instead of hashtable for
5264 (delete_tree_ssa): Adjust.
5265 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5266 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5267 (compute_tag_properties): Likewise.
5268 (set_initial_properties): Likewise.
5269 (find_partition_for): Likewise.
5270 (update_reference_counts): Likewise.
5271 (dump_may_aliases_for): Likewise.
5272 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5273 (add_call_clobber_ops): Likewise.
5274 (add_call_read_ops): Likewise.
5275 (get_asm_expr_operands): Likewise.
5276 * tree-into-ssa.c (dump_decl_set): Likewise.
5277 (update_ssa): Likewise.
5278 * tree-sra.c (scan_function): Likewise.
5279 (decide_instantiations): Likewise.
5280 (scalarize_parms): Likewise.
5281 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5282 (dsa_named_for): Likewise.
5283 * tree-ssa-structalias.c (update_alias_info): Likewise.
5284 (merge_smts_into): Likewise.
5286 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5289 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5290 * c-opts.c (c_common_handle_option): Wall enables
5291 Wvolatile-register-var.
5292 * common.opt: Move Wvolatile-register-var to...
5295 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5297 * common.opt (Wlarger-than=): New.
5298 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5300 * opts.c (common_handle_option): Handle -Wlarger-than=.
5301 * optc-gen.awk: Likewise.
5302 * opth-gen.awk: Likewise.
5303 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5304 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5306 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5308 * c-common.c (match_case_to_enum_1): Add appropriate
5309 OPT_W* parameter to warning.
5310 (c_do_switch_warnings): Likewise.
5311 * c-typeck.c (warning_init): Add one more parameter following
5313 (push_init_level): Update call to warning_init.
5314 (pop_init_level): Likewise.
5315 (add_pending_init): Likewise.
5316 (output_init_element: Likewise.
5318 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5321 * toplev.c (toplev_main): If there are warnings or error, print
5322 errors for ignored options.
5323 * opts.c (ignored_options): New static variable.
5324 (postpone_unknown_option_error): New.
5325 (print_ignored_options): New.
5326 (handle_option): Postpone errors for unknown -Wno-* options.
5327 * opts.h (print_ignored_options): Declare.
5329 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
5331 * config/mips/mips.md (loadgp_blockage, blockage): Change type
5334 2008-02-25 Richard Guenther <rguenther@suse.de>
5337 2008-02-25 Richard Guenther <rguenther@suse.de>
5339 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5340 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5341 (lookup_decl_from_uid): Declare.
5342 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5343 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5344 (decl_for_uid_map): New global hashtable mapping DECL_UID
5346 (init_ttree): Allocate it.
5347 (insert_decl_to_uid_decl_map): New helper function.
5348 (make_node_stat): Insert new decls into the map.
5349 (copy_node_stat): Likewise.
5350 (lookup_decl_from_uid): New function.
5351 (print_decl_for_uid_map_statistics): New helper.
5352 (dump_tree_statistics): Call it.
5354 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5355 (referenced_var_iterator): Adjust.
5356 (FOR_EACH_REFERENCED_VAR): Adjust.
5357 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5358 (num_referenced_vars): Adjust.
5359 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5360 (first_referenced_var): Remove.
5361 (end_referenced_vars_p): Likewise.
5362 (next_referenced_var): Likewise.
5363 (referenced_var_iterator_set): New helper function.
5364 * tree-dfa.c (referenced_var_lookup): Adjust.
5365 (referenced_var_check_and_insert): Likewise.
5366 (remove_referenced_var): Likewise.
5367 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5368 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5369 (verify_call_clobbering): Likewise.
5370 (verify_memory_partitions): Likewise.
5371 (init_tree_ssa): Allocate bitmap instead of hashtable for
5373 (delete_tree_ssa): Adjust.
5374 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5375 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5376 (compute_tag_properties): Likewise.
5377 (set_initial_properties): Likewise.
5378 (find_partition_for): Likewise.
5379 (update_reference_counts): Likewise.
5380 (dump_may_aliases_for): Likewise.
5381 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5382 (add_call_clobber_ops): Likewise.
5383 (add_call_read_ops): Likewise.
5384 (get_asm_expr_operands): Likewise.
5385 * tree-into-ssa.c (dump_decl_set): Likewise.
5386 (update_ssa): Likewise.
5387 * tree-sra.c (scan_function): Likewise.
5388 (decide_instantiations): Likewise.
5389 (scalarize_parms): Likewise.
5390 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5391 (dsa_named_for): Likewise.
5392 * tree-ssa-structalias.c (update_alias_info): Likewise.
5393 (merge_smts_into): Likewise.
5395 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5398 * doc/invoke.texi (-fcx-limited-range): Document new option.
5399 * toplev.c (process_options): Handle -fcx-fortran-rules.
5400 * common.opt: Add documentation for -fcx-fortran-rules.
5402 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5405 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5406 actual behaviour and C99.
5408 2008-02-26 Ben Elliston <bje@au.ibm.com>
5410 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5411 (ASM_CPU_POWER6_SPEC): Likewise.
5412 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5413 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5414 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5416 2008-02-25 Richard Guenther <rguenther@suse.de>
5418 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5419 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5420 (lookup_decl_from_uid): Declare.
5421 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5422 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5423 (decl_for_uid_map): New global hashtable mapping DECL_UID
5425 (init_ttree): Allocate it.
5426 (insert_decl_to_uid_decl_map): New helper function.
5427 (make_node_stat): Insert new decls into the map.
5428 (copy_node_stat): Likewise.
5429 (lookup_decl_from_uid): New function.
5430 (print_decl_for_uid_map_statistics): New helper.
5431 (dump_tree_statistics): Call it.
5433 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5434 (referenced_var_iterator): Adjust.
5435 (FOR_EACH_REFERENCED_VAR): Adjust.
5436 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5437 (num_referenced_vars): Adjust.
5438 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5439 (first_referenced_var): Remove.
5440 (end_referenced_vars_p): Likewise.
5441 (next_referenced_var): Likewise.
5442 (referenced_var_iterator_set): New helper function.
5443 * tree-dfa.c (referenced_var_lookup): Adjust.
5444 (referenced_var_check_and_insert): Likewise.
5445 (remove_referenced_var): Likewise.
5446 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5447 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5448 (verify_call_clobbering): Likewise.
5449 (verify_memory_partitions): Likewise.
5450 (init_tree_ssa): Allocate bitmap instead of hashtable for
5452 (delete_tree_ssa): Adjust.
5453 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5454 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5455 (compute_tag_properties): Likewise.
5456 (set_initial_properties): Likewise.
5457 (find_partition_for): Likewise.
5458 (update_reference_counts): Likewise.
5459 (dump_may_aliases_for): Likewise.
5460 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5461 (add_call_clobber_ops): Likewise.
5462 (add_call_read_ops): Likewise.
5463 (get_asm_expr_operands): Likewise.
5464 * tree-into-ssa.c (dump_decl_set): Likewise.
5465 (update_ssa): Likewise.
5466 * tree-sra.c (scan_function): Likewise.
5467 (decide_instantiations): Likewise.
5468 (scalarize_parms): Likewise.
5469 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5470 (dsa_named_for): Likewise.
5471 * tree-ssa-structalias.c (update_alias_info): Likewise.
5472 (merge_smts_into): Likewise.
5474 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5477 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5478 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5479 * alias.h (nonoverlapping_memrefs_p): Likewise.
5481 2008-02-25 Jan Beulich <jbeulich@novell.com>
5483 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5484 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5485 __emultls_get_address, __emultls_register_common,
5486 __floatundi?f, and _Unwind_GetIPInfo.
5487 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5488 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5489 (gen_regparm_prefix): Likewise.
5490 (i386_nlm_encode_section_info): Sync with
5491 config/i386/winnt.c:i386_pe_encode_section_info().
5492 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5493 i386_nlm_mangle_decl_assembler_name): New.
5494 (netware_override_options): New.
5495 * config/i386/netware.h (netware_override_options): Declare.
5496 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5497 (i386_nlm_mangle_decl_assembler_name): Declare.
5498 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5500 2008-02-25 Ben Elliston <bje@au.ibm.com>
5503 * c-decl.c (grokdeclarator): Remove unused local variables
5504 `typedef_type' and `type_as_written'.
5506 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5507 unused local variable `has_hot_blocks'.
5508 (fix_crossing_conditional_branches): Remove unused local variable
5511 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5514 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5515 using DEF_C99_BUILTIN.
5516 (BUILT_IN_NANF): Ditto.
5517 (BUILT_IN_NANL): Ditto.
5519 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5520 Revital Eres <eres@il.ibm.com>
5522 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5523 regarding the order of two dependent insns in the same row.
5525 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5527 * stor-layout.c (layout_decl): Do not bump the alignment of a
5528 bit-field to more than byte alignment if it is packed.
5530 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5532 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5535 2008-02-24 Diego Novillo <dnovillo@google.com>
5537 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5540 * tree-vrp.c (vrp_evaluate_conditional): With
5541 -Wtype-limits, emit a warning when comparing against a
5542 constant outside the natural range of OP0's type.
5543 * c.opt (Wtype-limits): Move ...
5544 * common.opt (Wtype-limits): ... here.
5546 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5548 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5549 * config/rs6000/e300c2c3.md: New file.
5550 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5552 (rs6000_override_options): Add e300c2 and e300c3 cases to
5553 processor_target_table. Do not allow usage of Altivec or Spe
5554 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5555 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5556 * config/rs6000/rs6000.h (processor_type): Add
5557 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5558 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5559 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5560 and ppce300c3. Include e300c2c3.md.
5562 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5564 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5565 instead of TARGET_STRICT_ALIGN.
5567 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5569 * explow.c (memory_address): Assert that the generated address is
5572 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5575 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5576 * config/darwin-ppc-ldouble-patch.def: New file.
5577 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5578 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5579 SUBTARGET_INIT_BUILTINS if defined.
5580 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5583 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5586 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5587 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5589 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5592 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5593 file" warning condtional on -Winvalid-PCH.
5595 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
5597 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5599 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
5603 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5604 prevent reload from using MMX registers.
5605 (*mov<mode>_internal): Ditto.
5606 (*movv2sf_internal_rex64): Ditto.
5607 (*movv2sf_internal): Ditto.
5609 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5611 PR documentation/31569
5612 * doc/install.texi2html: Use makeinfo --no-number-sections.
5614 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5616 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5617 ensure that we can address an entire entity > 8 bytes. Don't
5618 generate reg+reg addressing for such data.
5620 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5622 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5623 strings when optimizing for size, unless the target cares about
5626 2008-02-22 Tom Tromey <tromey@redhat.com>
5628 * regclass.c (current_pass): Remove declaration.
5630 2008-02-22 Anatoly Sokolov <aesok@post.ru>
5632 * config/avr/libgcc.S (__RAMPZ__): Define.
5633 (__do_copy_data): Add for devices with 128KB code memory.
5635 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5637 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5639 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5641 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
5643 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
5646 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5649 * c-typeck.c (build_binary_op): Warn about floating point
5650 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
5652 2008-02-21 Janis Johnson <janis187@us.ibm.com>
5655 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
5656 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
5658 (rs6000_override_options): Set altivec_abi as default, not override,
5659 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
5660 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
5661 is used; use new member spe_abi.
5662 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
5663 spe_abi and altivec_abi.
5665 2008-02-22 Tomas Bily <tbily@suse.cz>
5667 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
5669 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5672 * config.build (build_file_translate): Set to `CMD //c' only if
5674 * Makefile.in (build_file_translate): Improve comment.
5676 2008-02-21 Jan Hubicka <jh@suse.cz>
5678 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
5679 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
5680 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
5682 2008-02-21 Michael Matz <matz@suse.de>
5685 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
5687 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
5689 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
5690 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
5692 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
5693 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
5694 SSE_VEC_FLOAT_MODE_P as insn constraint.
5695 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
5696 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
5697 sse4a_movntdf using MODEF mode iterator.
5698 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
5699 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
5700 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
5701 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
5702 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
5703 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
5704 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
5706 2008-02-21 Richard Guenther <rguenther@suse.de>
5708 * tree.def (PAREN_EXPR): New tree code.
5709 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5711 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5712 * expr.c (expand_expr_real_1): Likewise.
5713 * tree-inline.c (estimate_num_insns_1): Likewise.
5714 * tree-complex.c (expand_complex_move): Likewise.
5715 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5718 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5721 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5723 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5726 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5728 * config/sh/sh.c (find_barrier): Don't go past
5729 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5731 2008-02-20 DJ Delorie <dj@redhat.com>
5733 * config/h8300/h8300.md (insv): Force source operand to be a register.
5735 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5736 as a jump, not as a plain insn.
5738 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
5740 * doc/invoke.texi (Warning Options): Add new option
5741 -Wframe-larger-than=.
5742 (-Wframe-larger-than): Document.
5744 * flags.h (warn_frame_larger_than, frame_larger_than_size):
5745 Add declarations for new option variables.
5747 * final.c (final_start_function): Check the frame size
5748 before emission and issue a Wframe-larger-than warning.
5750 * opts.c (warn_frame_larger_than, frame_larger_than_size):
5751 Add definitions for new option variables.
5752 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5754 * common.opt (Wframe-larger-than=): New option.
5756 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5758 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5759 (<sse>_div<mode>3): Ditto.
5760 (<sse>_vmdiv<mode>3): Ditto.
5761 (<sse>_vmsqrt<mode>2): Ditto.
5762 (*smax<mode>3): Ditto.
5763 (sse5_frcz<mode>2): Ditto.
5764 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
5767 2008-02-20 Richard Guenther <rguenther@suse.de>
5770 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5771 be happy with INTEGRAL_TYPE_P.
5773 2008-02-20 Richard Guenther <rguenther@suse.de>
5775 * fold-const.c (split_tree): Associate floatig-point expressions
5776 if flag_associative_math is set.
5778 2008-02-20 Richard Guenther <rguenther@suse.de>
5780 * tree.h (fold_real_zero_addition_p): Declare.
5781 * fold-const.c (fold_real_zero_addition_p): Export.
5782 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5783 floating-point operations with zero and one.
5785 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
5787 * doc/install.texi: Correct references to CFLAGS, replacing them
5788 with BOOT_CFLAGS. Document flags used during bootstrap for
5791 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5793 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5794 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5795 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5797 (smin<mode>3): Ditto from similar patterns.
5798 (smax<mode>3): Ditto.
5799 (*ieee_smin<mode>3): Ditto.
5800 (*ieee_smax<mode>3): Ditto.
5801 * config/i386/sse.md (sse): New mode attribute.
5802 (mov<mode>): Macroize expander from movv4sf and movv2df using
5803 SSEMODEF2P mode iterator.
5804 (<sse>_movnt<mode>): Ditto from similar patterns. Use
5805 SSE_VEC_FLOAT_MODE_P as insn constraint.
5806 (storent<mode>): Ditto.
5807 (storent<mode>): Macroize expander from storentsf and storentdf using
5808 MODEF mode iterator.
5809 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5810 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5811 (abs<mode>2): Ditto from similar patterns.
5812 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5813 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5814 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5815 (<sse>_vmsqrt<mode>2): Ditto.
5816 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5817 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5818 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5819 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5820 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5821 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5822 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5824 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5825 iterator and SSE_FLOAT_MODE_P as insn constraint.
5826 (<sse>_ucomi): Ditto from similar patterns.
5827 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5828 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5829 SSE_VEC_FLOAT_MODE_P as insn constraint.
5830 (vcond<mode>): Ditto from similar patterns.
5831 (and<mode>3, *and<mode>3): Ditto.
5832 (<sse>_nand<mode>3): Ditto.
5833 (ior<mode>3, *ior<mode>3): Ditto.
5834 (xor<mode>3, *xor<mode>3): Ditto.
5835 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5836 iterator and SSE_FLOAT_MODE_P as insn constraint.
5837 (*nand<mode>3): Ditto from similar patterns.
5838 (*ior<mode>3): Ditto.
5839 (*xor<mode>3): Ditto.
5841 2008-02-20 Ira Rosen <irar@il.ibm.com>
5843 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5844 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5845 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5847 2008-02-19 Jan Hubicka <jh@suse.cz>
5849 * predict.c (tree_bb_level_predictions): Remove variable next
5850 mistakely introduced by previous commit.
5852 2008-02-19 Jan Hubicka <jh@suse.cz>
5854 * predict.c (predict_paths_leading_to): Rewrite.
5855 (predict_paths_for_bb): New.
5856 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5858 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5861 * Makefile.in (build_file_translate): New.
5862 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5863 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5864 * configure.ac (build_file_translate): Substitute it.
5865 * configure: Regenerate.
5867 2008-02-19 Jan Hubicka <jh@suse.cz>
5869 PR rtl-optimization/34408
5870 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5873 2008-02-19 Jan Hubicka <jh@suse.cz>
5876 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5879 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5882 * config/i386/i386-modes.def: Revert the last DI alignment
5883 change until Ada people can look into it.
5885 2008-02-19 Nick Clifton <nickc@redhat.com>
5887 * opts.c (print_specific_help): Fix typo in --help text.
5889 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5892 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5893 32-bit inline asm without asm alternatives for host GCC < 3.0.
5895 2008-02-19 Richard Guenther <rguenther@suse.de>
5897 PR tree-optimization/34989
5898 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5899 Allow propagation to INDIRECT_REF if we can simplify only.
5901 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5903 * c-common.c (warn_for_collisions_1): Use appropriate option when
5906 2008-02-19 Nick Clifton <nickc@redhat.com>
5909 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5910 (handle_options): Fix indentation.
5911 (print_filtered_help): If no language-specific options were
5912 displayed tell the user how to list all the options supported by
5913 the language's front-end.
5914 (print_specific_help): Fix indentation and remove duplicate line.
5915 (common_handle_option): Handle the -v option.
5916 For --help enable the display of undocumented options if the -v
5917 switch has been included on the command line.
5918 For --help= check for overlaps in the arguments between the option
5919 classes and the language names and issue a warning when they
5920 cannot be disambiguated.
5921 * c.opt (v): Pass on to the common option handler.
5923 2008-02-19 Revital Eres <eres@il.ibm.com>
5925 * modulo-sched.c (sms_schedule): Change dump message when
5926 create_ddg function fails.
5927 (try_scheduling_node_in_cycle): Rename row to cycle.
5928 (print_partial_schedule): Rename CYCLE to ROW.
5930 2008-02-19 Christian Bruel <christian.bruel@st.com>
5931 Zdenek Dvorak <ook@ucw.cz>
5933 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
5935 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5938 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
5939 (*x86_movdicc_0_m1_se): Ditto.
5941 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
5943 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
5944 (CMPtype): Define as __gcc_CMPtype.
5945 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
5946 (CMPtype): Define as __gcc_CMPtype.
5948 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
5950 Support valgrind 3.3 for --enable-checking=valgrind.
5951 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
5953 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
5954 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
5955 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
5956 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
5957 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
5958 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
5959 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
5961 * ggc-zone.c: Similar.
5962 * ggc-page.c: Similar.
5964 2008-02-19 Paul Brook <paul@codesourcery.com>
5967 * config/arm/ieee754-df.S: Fix do_it typo.
5968 * config/arm/ieee754-sf.S: Fix do_it typo.
5970 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
5973 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
5974 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
5975 (OPTION_MASK_ISA_SSE_SET): Likewise.
5976 (OPTION_MASK_ISA_SSE2_SET): Likewise.
5977 (OPTION_MASK_ISA_SSE3_SET): Likewise.
5978 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
5979 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
5980 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
5981 (OPTION_MASK_ISA_SSE4_SET): Likewise.
5982 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
5983 (OPTION_MASK_ISA_SSE5_SET): Likewise.
5984 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
5985 (OPTION_MASK_ISA_MMX_UNSET): Updated.
5986 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
5987 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
5988 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
5989 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
5990 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
5991 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
5992 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
5993 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
5994 (OPTION_MASK_ISA_SSE4): Removed.
5995 (ix86_handle_option): Turn on bits in ix86_isa_flags and
5996 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
5997 (override_options): Don't turn on implied SSE/MMX bits in
6000 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6002 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6005 2008-02-18 Joey Ye <joey.ye@intel.com>
6008 * tree-nested.c (insert_field_into_struct): Set type alignment
6009 to field alignment if the former is less than the latter.
6011 2008-02-18 Jakub Jelinek <jakub@redhat.com>
6013 * BASE-VER: Set to 4.4.0.
6015 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6017 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
6018 * doc/cfg.texi: Likewise.
6019 * doc/extend.texi: Likewise.
6020 * doc/gty.texi: Likewise.
6021 * doc/invoke.texi: Likewise.
6022 * doc/loop.texi: Likewise.
6023 * doc/md.texi: Likewise.
6024 * doc/passes.texi: Likewise.
6025 * doc/rtl.texi: Likewise.
6026 * doc/sourcebuild.texi: Likewise.
6027 * doc/tm.texi: Likewise.
6028 * doc/tree-ssa.texi: Likewise.
6030 2008-02-17 Richard Guenther <rguenther@suse.de>
6033 * tree-complex.c (init_parameter_lattice_values): Handle parameters
6034 without default definition.
6036 2008-02-17 Richard Guenther <rguenther@suse.de>
6038 PR tree-optimization/35231
6039 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
6042 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
6045 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6046 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6047 libgcc_cmp_return mode.
6049 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6052 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6054 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
6056 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6059 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6061 * doc/c-tree.texi: Use `@.' where appropriate.
6062 * doc/extend.texi: Likewise.
6063 * doc/install.texi: Likewise.
6064 * doc/invoke.texi: Likewise.
6065 * doc/loop.texi: Likewise.
6066 * doc/makefile.texi: Likewise.
6067 * doc/md.texi: Likewise.
6068 * doc/passes.texi: Likewise.
6069 * doc/standards.texi: Likewise.
6070 * doc/tm.texi: Likewise.
6072 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6075 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6077 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6078 rather than in entry_bb.
6080 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6082 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6083 libgcc_cmp_return mode.
6085 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6088 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6089 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6091 2008-02-15 Richard Guenther <rguenther@suse.de>
6092 Zdenek Dvorak <ook@ucw.cz>
6094 PR tree-optimization/35164
6095 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6096 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6097 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6098 Only propagate addresses which do not have abnormal SSA_NAMEs
6101 2008-02-15 Joseph Myers <joseph@codesourcery.com>
6104 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6106 2008-02-15 Jan Hubicka <jh@suse.cz>
6109 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6111 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6114 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6115 when calculating alignment_pad.
6117 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6119 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6120 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6121 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6122 and STACK_BOUNDARY define.
6124 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
6126 PR preprocessor/35061
6127 * c-pragma.c (handle_pragma_pop_macro): Check that
6128 pushed_macro_table has been allocated.
6130 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
6133 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6134 (force_gimple_operand): Likewise.
6135 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6136 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6137 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6138 (find_interesting_uses_address): Check addressability and alignment
6139 of the base expression only after substituting bases of IVs into it.
6141 2008-02-14 Michael Matz <matz@suse.de>
6144 * function.c (instantiate_virtual_regs_in_insn): Reload address
6145 before falling back to reloading the whole operand.
6147 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
6149 * config/s390/s390.c (s390_mainpool_start): Emit the pool
6150 before the first section switch note.
6152 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6154 * doc/bugreport.texi: Update copyright years.
6155 * doc/c-tree.texi: Likewise.
6156 * doc/cfg.texi: Likewise.
6157 * doc/cpp.texi: Likewise.
6158 * doc/cppinternals.texi: Likewise.
6159 * doc/fragments.texi: Likewise.
6160 * doc/frontends.texi: Likewise.
6161 * doc/gcc.texi: Likewise.
6162 * doc/gty.texi: Likewise.
6163 * doc/hostconfig.texi: Likewise.
6164 * doc/implement-c.texi: Likewise.
6165 * doc/libgcc.texi: Likewise.
6166 * doc/loop.texi: Likewise.
6167 * doc/makefile.texi: Likewise.
6168 * doc/options.texi: Likewise.
6169 * doc/passes.texi: Likewise.
6170 * doc/rtl.texi: Likewise.
6171 * doc/sourcebuild.texi: Likewise.
6172 * doc/standards.texi: Likewise.
6173 * doc/tree-ssa.texi: Likewise.
6174 * doc/trouble.texi: Likewise.
6176 * doc/extend.texi: Use @: or add comma where appropriate.
6177 * doc/invoke.texi: Likewise.
6178 * doc/tm.texi: Likewise.
6180 2008-02-14 Alan Modra <amodra@bigpond.net.au>
6183 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6186 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
6188 * doc/md.texi (clz, ctz): Add reference.
6189 * doc/rtl.texi (clz, ctz): Likewise.
6191 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6194 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6197 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
6199 * config/s390/s390.c (struct constant_pool): New field
6200 emit_pool_after added.
6201 (s390_mainpool_start): Set the emit_pool_after flag according
6202 to the section switch notes.
6203 (s390_mainpool_finish): Consider emit_pool_after when emitting
6204 the literal pool at the end of the function.
6205 (s390_chunkify_start): Force literal pool splits at section
6208 2008-02-13 Michael Matz <matz@suse.de>
6211 * var-tracking.c (clobber_variable_part): Correctly traverse the
6214 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6217 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6218 Add -fdump-ipa-inline.
6219 * tree-dump.c (dump_files): Remove tree-inlined dump.
6220 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6222 2008-02-12 Richard Guenther <rguenther@suse.de>
6224 PR tree-optimization/35171
6225 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6228 2008-02-12 Richard Guenther <rguenther@suse.de>
6231 * fold-const.c (fold_widened_comparison): Use get_unwidened in
6232 value-preserving mode. Disallow final truncation.
6234 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
6237 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6238 code from here to...
6239 (force_gimple_operand): ...here.
6241 2008-02-12 Jakub Jelinek <jakub@redhat.com>
6244 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6245 non-compatible pointers.
6246 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6247 different FIELD_DECLs, try harder by comparing field offsets, sizes
6251 * function.c (match_asm_constraints_1): Don't replace the same input
6254 2008-02-12 Anatoly Sokolov <aesok@post.ru>
6256 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6257 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6258 (expand_epilogue): Restore RAMPZ register.
6259 * config/avr/avr.md (RAMPZ_ADDR): New constant.
6261 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
6263 * config/i386/cygwin.asm: (__alloca): Correct calling
6264 convention and alignment.
6265 (__chkstk): Force 8 byte stack alignment.
6267 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
6268 Richard Guenther <rguenther@suse.de>
6270 PR tree-optimization/33992
6271 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6272 the zero we compare against.
6274 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
6277 * gthr-win32.h (__gthread_mutex_destroy_function): New function
6278 to CloseHandle after unlocking to prevent accumulation of handle
6281 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6284 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6285 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
6286 and update LABEL_NUSES during and after reload.
6288 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
6291 * combine.c (simplify_if_then_else): Make sure the comparison is
6292 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6294 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
6297 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6298 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6299 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6300 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6301 * tree.h (get_type_static_bounds): Likewise.
6303 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6305 * doc/invoke.texi (Option Summary, C++ Dialect Options)
6306 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6307 Make -Wfoo language annotations match what the compiler outputs.
6309 2008-02-08 Sa Liu <saliu@de.ibm.com>
6311 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
6312 intrinsics spu_convts, spu_convtu, spu_convtf.
6314 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
6316 * doc/extend.texi (Function Attributes) <noinline>: Mention
6317 asm ("") as method to keep calls.
6319 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6322 * doc/options.texi (Options): Replace references to opts.sh with
6324 * opts-common.c: Likewise.
6325 * optc-gen.awk: Likewise.
6327 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
6329 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6331 2008-02-07 Richard Henderson <rth@redhat.com>
6334 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6335 EXPR_LIST for the REG_EQUAL instead of a comparison with a
6338 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
6340 PR tree-optimization/35085
6341 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6342 for operand entry oe2 in addition to operand entry oe3 in order to
6343 expose more opportunities for vectorizer sum reduction.
6345 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6348 * Makefile.in (LIBS): Remove $(GMPLIBS).
6349 (cc1-dummy, cc1): Add $(GMPLIBS).
6351 2008-02-06 Jan Hubicka <jh@suse.cz>
6354 * i386.md (moddf_integer): Do not produce partial memory stalls for
6355 targets where it hurts.
6357 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6360 * optabs.c (expand_float): Do not check for decimal modes when
6361 expanding unsigned integer through signed conversion.
6363 2008-02-06 Nick Clifton <nickc@redhat.com>
6365 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6366 inside the clobber with a match_operand and duplicated operand
6367 number in the constraint.
6368 (ineqbranchsi): Delete redundant comment.
6370 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6372 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6373 builtin_define ("__USE_INIT_FINI__").
6374 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6376 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6378 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6380 PR documentation/30330
6381 * doc/invoke.texi (C++ Dialect Options)
6382 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6383 For each warning option -Wfoo that allows -Wno-foo, ensure both
6384 -Wfoo and -Wno-foo are listed in the option index. Fix index
6385 entry of -Wswitch-default, index -Wnormalized= including the
6386 `=', and -Wlarger-than-@var{len} including @var{len}.
6388 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6390 * config/i386/i386.md (floatunssisf2): Use
6391 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6392 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6393 Macroize expander using MODEF mode iterator.
6395 2008-02-05 Diego Novillo <dnovillo@google.com>
6397 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6400 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6402 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6405 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6407 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6410 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6411 to indicate if a message should be generated.
6412 (init_cumulative_args): Updated.
6413 (function_value_32): Likewise.
6415 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6417 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6419 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6422 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6423 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6425 2008-02-04 Diego Novillo <dnovillo@google.com>
6427 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6430 * tree-vrp.c (vrp_evaluate_conditional): With
6431 -Wtype-limits, emit a warning when comparing against a
6432 constant outside the natural range of OP0's type.
6434 2008-02-04 Richard Guenther <rguenther@suse.de>
6437 * expr.c (count_type_elements): Give for unions instead of
6440 2008-02-04 Richard Guenther <rguenther@suse.de>
6443 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6444 to TYPE_DOMAINs base type instead of using bitsizetype here.
6446 2008-02-03 Jason Merrill <jason@redhat.com>
6448 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6450 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6453 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6454 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6455 (RS/6000 and PowerPC Options): Fix typos and markup.
6456 * doc/passes.texi (Tree-SSA passes): Likewise.
6458 2008-02-02 Michael Matz <matz@suse.de>
6461 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6462 from record_last_reg_set_info.
6463 (record_last_reg_set_info): Take an RTX argument, iterate over all
6464 constituent hardregs.
6465 (record_last_set_info, record_opr_changes): Change calls to
6466 new signature or to record_last_reg_set_info_regno.
6468 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6470 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6472 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6474 PR rtl-optimization/34773
6475 * reg-notes.def (EQUAL): Mention significance of combination of
6476 REG_EQUAL and REG_RETVAL.
6477 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6478 insn that has a REG_RETVAL.
6480 2008-02-01 Roger Sayle <roger@eyesopen.com>
6483 * configure.ac (--enable-fixed-point): Disable unless explicitly
6485 * configure: Regenerate.
6487 2008-02-01 Richard Guenther <rguenther@suse.de>
6490 * invoke.texi (-finline-limit): Remove no longer true parts
6491 of the documentation. Note that there is no default value.
6493 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6494 Mark Mitchell <mark@codesourcery.com>
6495 Ben Elliston <bje@au.ibm.com>
6498 * doc/extend.texi (Other Builtins): Document.
6500 2008-01-31 Tom Browder <tom.browder@gmail.com>
6502 * doc/c-tree.texi (Types): Fix grammar.
6503 (Expression trees): Ditto.
6504 * doc/passes.texi (Tree-SSA passes): Ditto.
6506 * doc/configterms.texi (Configure Terms): Fix typo.
6507 * doc/cpp.texi (Common Predefined Macros): Ditto.
6508 * doc/md.texi (Machine Constraints): Ditto.
6510 * doc/makefile.texi (Makefile): Add comma.
6512 2008-01-31 Tom Browder <tom.browder@gmail.com>
6513 Gerald Pfeifer <gerald@pfeifer.com>
6515 * doc/sourcebuild.texi (Front End): Remove references to CVS
6516 and CVSROOT/modules.
6517 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6518 (Back End): Remove reference to CVS.
6520 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6523 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6525 (mips16_gp_pseudo_reg): ...here.
6526 * config/mips/mips.md (load_const_gp): Replace with...
6527 (load_const_gp_<mode>): ...this :P-based insn.
6529 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6531 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6532 options. Minor fixes.
6533 (-std): Move reference to standards closer to where language
6534 standards are first mentioned.
6536 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6538 PR rtl-optimization/34995
6539 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6540 parameter and return a bool. If the rtx parameter is nonnull,
6541 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6542 (find_reloads): Update call accordingly. Pass the new operand
6543 if it needed no address reloads, otherwise pass null.
6545 2008-01-30 Richard Henderson <rth@redhat.com>
6548 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6549 for unbounded arrays.
6551 2008-01-30 Silvius Rus <rus@google.com>
6553 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6555 2008-01-30 Jan Hubicka <jh@suse.cz>
6558 * i386.c (init_cumulative_args): Use real function declaration when
6561 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6563 PR rtl-optimization/34998
6564 * global.c (build_insn_chain): Treat non-subreg_lowpart
6565 SUBREGs of pseudos as clobbering all the words covered by the
6566 SUBREG, not just all the bytes.
6567 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6568 original df_ref rather than an extract parameter.
6569 (global_conflicts): Update call accordingly.
6571 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
6573 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6574 the overflow check to make it easier to read.
6575 (__fixtfdi): Change the type of the ll member in union
6576 long_double to UDItype_x.
6578 2008-01-30 Jakub Jelinek <jakub@redhat.com>
6581 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6582 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6583 * tree-inline.c (fold_marked_statements): Call
6584 cgraph_update_edges_for_call_stmt if folding a call statement.
6585 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6586 debug_generic_stmt calls, reset it back afterwards.
6589 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6591 * c-typeck.c (build_external_ref): Don't pedwarn about
6592 static vars in current function's scope.
6594 2008-01-29 Joseph Myers <joseph@codesourcery.com>
6596 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6598 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
6601 * ipa-struct-reorg.c: Fix spelling.
6602 * params.def: Ditto.
6604 2008-01-29 Richard Guenther <rguenther@suse.de>
6607 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6609 * tree-inline.c (remap_type): Increment remapping_type_depth
6610 around remapping types.
6611 (copy_body_r): Only add referenced variables if they are referenced
6612 from code, not types.
6614 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
6625 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6626 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6628 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
6631 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
6632 pointer for tiny stack.
6634 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6636 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
6638 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6640 * config/vx-common.h: Fix typo in comment.
6642 2008-01-28 Ian Lance Taylor <iant@google.com>
6646 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6647 coalesce pointers if they have different DECL_NO_TBAA_P values.
6648 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
6649 between variables with different DECL_NO_TBAA_P values.
6651 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
6654 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
6655 are not legitimate small data references on SPE targets.
6657 2008-01-28 David Daney <ddaney@avtrex.com>
6659 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
6661 2008-01-28 David Daney <ddaney@avtrex.com>
6663 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
6665 2008-01-27 Joseph Myers <joseph@codesourcery.com>
6667 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
6668 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
6669 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
6670 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
6671 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
6672 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
6673 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
6674 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
6676 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6678 * basic-block.h (condjump_equiv_p): Fix comment.
6680 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6682 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
6683 print_generic_stmt_indented): Fix comment.
6685 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6687 * configure.ac (__stack_chk_fail): Add detecion for availability
6688 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
6689 * configure: Regenerate.
6691 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
6694 * final.c (output_addr_const): Handle TRUNCATE.
6696 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
6699 * tree-ssa-loop-ivopts.c (comp_cost): New type.
6700 (zero_cost, infinite_cost): New constants.
6701 (struct cost_pair): Change type of cost to comp_cost.
6702 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
6703 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
6705 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
6706 split_address_cost, ptr_difference_cost, difference_cost,
6707 get_computation_cost_at, get_computation_cost,
6708 determine_use_iv_cost_generic, determine_use_iv_cost_address,
6709 determine_use_iv_cost_condition, determine_use_iv_costs,
6710 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
6711 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
6712 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
6713 Change type of cost to comp_cost.
6714 (determine_iv_cost): Increase cost of non-original ivs, instead
6715 of decreasing the cost of original ones.
6716 (get_address_cost): Indicate the complexity of the addressing mode
6718 (try_add_cand_for): Prefer using ivs not specific to some object.
6719 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
6721 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
6722 Janis Johnson <janis187@us.ibm.com>
6725 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
6726 (TARGET_INSTANTIATE_DECLS): Likewise.
6727 * target.h (expand_to_rtl_hook): New target hook.
6728 (instantiate_decls): Likewise.
6729 * function.c (instantiate_decl): Make non-static. Rename to...
6730 (instantiate_decl_rtl): ... this.
6731 (instantiate_expr): Use instantiate_decl_rtl.
6732 (instantiate_decls_1): Likewise.
6733 (instantiate_decls): Likewise.
6734 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
6735 * function.h (instantiate_decl_rtl): Add prototype.
6736 * cfgexpand.c (target.h): New include.
6737 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
6738 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
6739 (TARGET_INSTANTIATE_DECLS): Likewise.
6740 (TARGET_INITIALIZER): New target hooks added.
6741 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6743 * config/rs6000/rs6000.c (tree-flow.h): New include.
6744 (machine_function): Add sdmode_stack_slot field.
6745 (rs6000_alloc_sdmode_stack_slot): New function.
6746 (rs6000_instantiate_decls): Likewise.
6747 (rs6000_secondary_memory_needed_rtx): Likewise.
6748 (rs6000_check_sdmode): Likewise.
6749 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
6750 (TARGET_INSTANTIATE_DECLS): Likewise.
6751 (rs6000_hard_regno_mode_ok): Allow SDmode.
6752 (num_insns_constant): Likewise. Handle _Decimal32 constants.
6753 (rs6000_emit_move): Handle SDmode.
6754 (function_arg_advance): Likewise.
6755 (function_arg): Likewise.
6756 (rs6000_gimplify_va_arg): Likewise. Add special handling of
6757 SDmode var args for 32-bit compiles.
6758 (rs6000_secondary_reload_class): Handle SDmode.
6759 (rs6000_output_function_epilogue): Likewise.
6760 (rs6000_function_value): Simplify if statement.
6761 (rs6000_libcall_value): Likewise.
6762 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
6763 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
6764 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
6765 (movsd_hardfloat): New define_insn.
6766 (movsd_softfloat): Likewise.
6767 (movsd_store): Likewise.
6768 (movsd_load): Likewise.
6769 (extendsddd2): Likewise.
6770 (extendsdtd2): Likewise.
6771 (truncddsd2): Likewise.
6772 (movdd_hardfloat64): Fixup comment.
6773 (UNSPEC_MOVSD_LOAD): New constant.
6774 (UNSPEC_MOVSD_STORE): Likewise.
6776 2008-01-26 Jakub Jelinek <jakub@redhat.com>
6779 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
6781 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
6782 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
6783 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
6786 2008-01-26 David Edelsohn <edelsohn@gnu.org>
6789 * config.gcc: Separate AIX 5.3 from AIX 6.1.
6790 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6791 __LONGDOUBLE128 too.
6792 * config/rs6000/aix61.h: New file.
6794 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6796 PR rtl-optimization/34959
6797 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
6798 popcount and parity rtxes the same mode as their operand.
6799 Truncate or extend the result to the return value's mode
6802 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6805 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
6806 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6807 to GOT_VERSION_REGNUM.
6808 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
6809 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
6810 * config/mips/mips.c (mips_emit_call_insn): New function.
6811 (mips_call_tls_get_addr): Call mips_expand_call directly.
6812 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
6814 (mips16_build_call_stub): Likewise. Return the call insn or null.
6815 (mips_expand_call): Update the call to mips16_build_call_stub
6816 accordingly and a remove redundant condition. Assert that MIPS16
6817 stubs do not use lazy binding. Use mips_emit_call_insn and return
6819 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
6821 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
6822 (mips_avoid_hazard): Remove hazard_set handling.
6823 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
6824 (UNSPEC_RESTORE_GP): ...this.
6825 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
6826 (FAKE_CALL_REGNO): Rename to...
6827 (GOT_VERSION_REGNUM): ...this.
6828 (type): Add "ghost" value. Add an associated insn reservation.
6829 (hazard_set): Remove.
6830 (exception_receiver): Rename to...
6831 (restore_gp): ...this and update the unspec identifier accordingly.
6832 (exception_receiver, nonlocal_got_receiver): New expanders.
6833 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6834 FAKE_CALL_REGNO. Remove hazard_set attribute.
6835 (set_got_version, update_got_version): New patterns.
6837 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6840 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6842 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6845 * doc/install.texi2html: Generate gcc-vers.texi.
6847 2008-01-25 DJ Delorie <dj@redhat.com>
6849 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6851 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6853 * config/c4x: Remove directory.
6854 * config.gcc (crx-*, mt-*): Mark obsolete.
6855 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6856 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6857 sh-*-rtemscoff*): Remove cases.
6858 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6859 * real.c (encode_c4x_single, decode_c4x_single,
6860 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6861 c4x_extended_format): Remove.
6862 * real.h (c4x_single_format, c4x_extended_format): Remove.
6863 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6865 (Pragmas): Remove comment about c4x pragmas.
6866 * doc/install.texi (c4x): Remove target-specific instructions.
6867 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6868 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6869 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6870 refer to C4x source files as examples.
6871 (C4X_FLOAT_FORMAT): Remove documentation.
6873 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6875 * config/bfin/bfin.c (override_options): Reorder tests so that
6876 flag_pic gets enabled for -msep-data.
6878 2008-01-25 Richard Guenther <rguenther@suse.de>
6881 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6882 to its bitfield precision if required.
6884 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6887 * tree-nested.c (walk_omp_for): New function.
6888 (convert_nonlocal_reference, convert_local_reference): Call
6889 walk_omp_for on OMP_FOR.
6890 (convert_call_expr): Call walk_body on OMP_FOR's
6891 OMP_FOR_PRE_INIT_BODY.
6893 2008-01-25 Richard Guenther <rguenther@suse.de>
6895 PR tree-optimization/34966
6896 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6897 default defs and PHI_NODEs we have to insert after the
6900 2008-01-24 Nick Clifton <nickc@redhat.com>
6902 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6903 Provide a default definition.
6904 (LIBGCC2_UNITS_PER_WORD): Likewise.
6906 * config/stormy16/stormy16.c: Include df.h for the prototype
6907 for df_regs_ever_live_p.
6908 (xstormy16_expand_builtin_va_start): Convert the stack offset
6909 into a component_ref and then use POINTER_PLUS_EXPR to add it
6910 to the incoming_virtual_args_rtx.
6911 (xstormy16_gimplify_va_arg_expr): Rename to
6912 xstormy16_gimplify_va_arg_expr.
6913 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6914 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6915 xstormy16_gimplify_va_arg_expr.
6916 Fix up some formatting issues.
6918 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6919 Move to predicates.md.
6920 (xs_hi_general_operand): Likewise.
6921 (xs_hi_nonmemory_operand): Likewise.
6922 * config/stormy16/predicates.md:
6923 (xstormy16_carry_plus_operand): New predicate.
6924 (xs_hi_general_operand): New predicate.
6925 (xs_hi_nonmemory_operand): New predicate.
6926 * config/stormy16/stormy16-protos.h:
6927 (xstormy16_carry_plus_operand): Delete prototype.
6928 (xs_hi_general_operand): Likewise.
6929 (xs_hi_nonmemory_operand): Likewise.
6931 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
6932 modifiers as they are no longer needed and they can trigger
6933 reload spill failures.
6935 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
6936 with a match_operand in order to help reload.
6938 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
6939 constraint with 'e' for the 8th alternative as this version of
6940 the mov.w instruction only accepts the lower 8 registers.
6942 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
6945 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
6946 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
6949 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6952 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
6954 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6956 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
6958 (remove_structure): Update allocations list before removing structure.
6960 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
6962 * ipa-struct-reorg.c (is_safe_cond_expr,
6963 create_new_stmts_for_cond_expr): Use integer_zerop function,
6964 that recognize not only zero-pointer, but zero-integer too.
6966 2008-01-25 Ben Elliston <bje@au.ibm.com>
6969 * fixproto: Escape "." in sed expression that strips leading "./".
6971 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
6974 * gcc.c (SWITCH_OK): Removed.
6975 (SWITCH_LIVE): Changed to bit.
6976 (SWITCH_FALSE): Likewise.
6977 (SWITCH_IGNORE): Likewise.
6978 (switchstr): Change live_cond to unsigned int.
6979 (process_command): Replace SWITCH_OK with 0.
6980 (do_self_spec): Likewise.
6981 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
6982 (give_switch): Likewise.
6983 (used_arg): Likewise.
6984 (do_spec_1): Set the SWITCH_IGNORE bit.
6985 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
6986 bits. Set the SWITCH_LIVE bit.
6988 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
6990 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
6992 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
6994 PR tree-optimization/34472
6995 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
6996 parameter to a "bool *" and set *DATA to false if there is
6997 an unsafe access. Do not delete the structure here.
6998 (check_cond_exprs): Delete it here instead.
6999 (check_cond_exprs, exclude_cold_structs): Do not increase
7000 I when removing a structure.
7002 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
7005 * config/i386/i386.c (ix86_expand_vector_init): Consider only
7006 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
7008 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
7011 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
7012 a fixed vector for stack.
7014 2008-01-24 Ben Elliston <bje@au.ibm.com>
7017 * doc/gcc.texi (Software development): Add a direntry for g++.
7019 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
7021 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
7022 stale and straggling -fforce-addr comments above.
7024 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
7026 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
7027 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
7029 2008-01-23 Michael Matz <matz@suse.de>
7032 * dwarf2out.c (force_type_die): Use modified_type_die instead of
7035 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
7037 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
7040 2008-01-23 Anatoly Sokolov <aesok@post.ru>
7042 * config/avr/avr.c (avr_current_arch): New variable.
7043 (avr_arch_types): Add 'avr31' and 'avr51' entries.
7044 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7045 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7046 (avr_override_options): Init 'avr_current_arch'.
7047 (base_arch_s): Move from here...
7048 * config/avr/avr.h (base_arch_s): ... here. Add new members
7049 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
7050 'mega' to 'have_jmp_call'.
7051 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
7052 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
7054 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
7056 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7057 MULTILIB_MATCHES): (Ditto.).
7059 2008-01-23 Richard Guenther <rguenther@suse.de>
7062 * cgraphunit.c (cgraph_reset_node): Always mark the node
7063 not reachable if it is not queued already.
7065 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
7067 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7068 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7069 (cputype_selected): New static variable.
7070 (bfin_handle_option): Set it if -mcpu is used.
7071 (override_option): Select default set of workarounds if no cpu type
7072 selected on the command line.
7073 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7075 From Michael Frysinger <michael.frysinger@analog.com>
7076 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7077 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7079 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7080 for bf547, bf523, bf524, and bf526.
7081 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
7083 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7084 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7085 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7086 __ADSPBF547__ and __ADSPBF54x__ for bf547.
7087 * doc/invoke.texi (Blackfin Options): Document that
7088 -mcpu now accept bf547, bf523, bf524, and bf526.
7090 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
7092 PR rtl-optimization/34628
7093 * combine.c (try_combine): Stop and undo after the first combination
7094 if an autoincrement side-effect on the first insn has effectively
7097 2008-01-22 David Edelsohn <edelsohn@gnu.org>
7100 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7101 Offset addresses are not valid for Altivec or paired float modes.
7103 2008-01-22 Jakub Jelinek <jakub@redhat.com>
7106 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7107 if DECL_INITIAL (decl) is error_mark_node.
7110 * c-common.c (handle_vector_size_attribute): Only allow
7111 integral, scalar float and fixed point types. Handle OFFSET_TYPE
7112 the same way as pointer, array etc. types.
7113 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7116 * tree.c (build_type_attribute_qual_variant): Call
7117 build_qualified_type if attributes are equal, but quals are not.
7119 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7122 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7123 * flags.h (warn_strict_aliasing): Remove.
7124 (warn_strict_overflow): Remove.
7125 * opts.c (warn_strict_aliasing): Remove.
7126 (warn_strict_overflow): Remove.
7127 * c-opts.c (c_common_handle_option): -Wall only sets
7128 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7129 (c_common_post_options): Give default values to -Wstrict-aliasing
7130 and -Wstrict-overflow if they are uninitialized.
7131 * common.opt (Wstrict-aliasing): Specify Var and Init.
7132 (Wstrict-overflow): Likewise.
7134 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7136 PR rtl-optimization/26854
7137 PR rtl-optimization/34400
7138 PR rtl-optimization/34884
7139 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7141 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7142 (df_rd_bb_info.expanded_lr_out): Deleted
7143 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7144 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
7145 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7146 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7147 Removed code to allocate, initialize or free expanded_lr_out.
7148 (df_rd_bb_local_compute_process_def): Restructured to make more
7150 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7151 sets if the sets are being trimmed.
7153 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
7156 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7157 (as_vers): Likewise.
7158 * configure: Regenerated.
7160 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7163 * tree-pass.h (pass_build_alias): New pass.
7164 * tree-ssa-alias.c (gate_build_alias): New.
7165 (pass_build_alias): New.
7166 * passes.c (init_optimization_passes): Add pass_build_alias after
7167 pass_create_structure_vars.
7169 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
7171 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7172 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7173 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7174 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7175 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7176 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7177 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7178 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7179 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7180 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7181 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7182 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7183 * config/s390/s390.md (FP_ALL): New mode iterator.
7184 (_d): New mode attribute.
7185 ("*signbit<mode>2>"): Changed mode of first operand.
7186 ("isinf<mode>2"): Changed mode of first operand.
7187 ("*TDC_insn"): Adaptation for DFP modes.
7189 2008-01-22 Ben Elliston <bje@au.ibm.com>
7191 * tree.c (check_qualified_type): Improve function description.
7193 2008-01-21 Jason Merrill <jason@redhat.com>
7196 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7197 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7200 2008-01-21 DJ Delorie <dj@redhat.com>
7202 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7205 2008-01-21 Richard Guenther <rguenther@suse.de>
7208 * tree-cfg.c (verify_expr): Allow all invariant expressions
7209 instead of just constant class ones as reference argument.
7210 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7211 like any other constant.
7212 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7214 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
7216 * regmove.c (fixup_match_1): Update call crossed frequencies.
7218 2008-01-21 Richard Guenther <rguenther@suse.de>
7221 * tree-inline.c (setup_one_parameter): Deal with mismatched
7222 types using a VIEW_CONVERT_EXPR.
7224 2008-01-21 Alon Dayan <alond@il.ibm.com>
7225 Olga Golovanevsky <olga@il.ibm.com>
7227 PR tree-optimization/34701
7228 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7229 when the structure size is not a power of 2.
7231 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
7233 * doc/install.texi: Add doc for --enable-checking=df.
7235 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
7237 PR rtl-optimization/34808
7238 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7240 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7242 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7245 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7247 PR rtl-optimization/26854
7248 PR rtl-optimization/34400
7249 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7251 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7252 (df_rd_bb_info.expanded_lr_out): New.
7253 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7254 * loop_iv.c (iv_analysis_loop_init): Ditto.
7255 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7256 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7257 Added code to allocate, initialize or free expanded_lr_out.
7258 (df_rd_bb_local_compute_process_def): Restructured to make
7259 more understandable.
7260 (df_rd_confluence_n): Add code to do nothing with fake edges and
7261 code to no apply invalidate_by_call sets if the sets are being trimmed.
7262 (df_lr_local_finalize): Renamed to df_lr_finalize.
7263 (df_live_local_finalize): Renamed to df_live_finalize.
7265 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7268 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7269 deciding whether to use reciprocal instructions.
7271 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
7273 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7274 dwarf2out_note_section_used if cold_text_section is NULL.
7276 2008-01-19 Jakub Jelinek <jakub@redhat.com>
7278 PR gcov-profile/34610
7279 * tree-cfg.c (make_edges): Mark both outgoing edges from
7280 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7281 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7282 from OMP_FOR and OMP_CONTINUE outgoing edges.
7284 * tree-profile.c (tree_profiling): Return early if
7285 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
7287 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7288 from cfun to child_cfun.
7289 * function.h (struct function): Add after_tree_profile bit.
7291 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7293 * config/avr/avr.S (_exit): Disable interrupt.
7295 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
7296 Steven Bosscher <stevenb.gcc@gmail.com>
7298 PR rtl-optimization/26854
7299 PR rtl-optimization/34400
7300 * df-problems.c (df_live_scratch): New scratch bitmap.
7301 (df_live_alloc): Allocate df_live_scratch when doing df_live.
7302 (df_live_reset): Clear the proper bitmaps.
7303 (df_live_bb_local_compute): Only process the artificial defs once
7304 since the order is not important.
7305 (df_live_init): Init the df_live sets only with the variables
7306 found live by df_lr.
7307 (df_live_transfer_function): Use the df_lr sets to prune the
7308 df_live sets as they are being computed.
7309 (df_live_free): Free df_live_scratch.
7311 2008-01-18 Ian Lance Taylor <iant@google.com>
7313 * common.opt: Add fmerge-debug-strings.
7314 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7315 flag_merge_debug_strings rather than flag_merge_constants.
7316 * doc/invoke.texi (Option Summary): Mention
7317 -fmerge-debug-strings.
7318 (Debugging Options): Document -fmerge-debug-strings.
7320 2008-01-18 Ian Lance Taylor <iant@google.com>
7323 * tree.h (DECL_IS_OPERATOR_NEW): Define.
7324 (struct tree_function_decl): Add new field operator_new_flag.
7325 * tree-inline.c (expand_call_inline): When inlining a call to
7326 operator new, force the return value to go into a variable, and
7327 set DECL_NO_TBAA_P on that variable.
7328 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7330 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
7333 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7334 DWARF2_DEBUGGING_INFO.
7335 (dwarf2out_note_section_used): Ditto. Add prototype.
7336 (have_multiple_function_sections, text_section_used,
7337 cold_text_section_used, *cold_text_sections): Move declarations
7340 2008-01-17 Bob Wilson <bob.wilson@acm.org>
7342 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7343 field and add signal_ra.
7344 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7345 assignments to frame state pc. Move end of stack check after
7346 MD_FALLBACK_FRAME_STATE_FOR.
7347 (uw_update_context_1): Use frame state signal_regs if set, instead
7348 of checking signal_frame flag.
7349 (uw_update_context): Use frame state signal_ra if set.
7350 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7351 * config/xtensa/linux-unwind.h: New file.
7353 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7355 * modulo-sched.c (get_sched_window): Fix comment typo.
7357 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7359 PR tree-optimization/34648
7360 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7362 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7364 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7365 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7367 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7369 PR rtl-optimization/34400
7370 * df-core.c (df_worklist_dataflow_overeager,
7371 df_worklist_dataflow_doublequeue): New functions.
7372 (df_worklist_dataflow): Two different worklist solvers.
7373 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7376 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7379 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7380 and ftree-parallelize-loops.
7382 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7384 PR rtl-optimization/34826
7385 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7387 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7389 * global.c (find_reg): Mark the eh regs as used if necessary.
7390 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7391 * ra.h (struct allocno): no_eh_reg field added. Changed
7392 no_stack_reg type to bitfield.
7394 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7396 * tree.c (substitute_in_expr): Add missing 'break'.
7398 2008-01-17 Richard Guenther <rguenther@suse.de>
7400 PR tree-optimization/34825
7401 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7402 x / x as division to handle.
7404 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7406 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7407 "-pthread" is specified.
7408 * pa-hpux11.h (LIB_SPEC): Likewise.
7410 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7411 Peter Bergner <bergner@vnet.ibm.com>
7413 PR rtl-optimization/33796
7414 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7416 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7418 PR libgfortran/34699
7419 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7421 * pa-hpux10.h (LINK_SPEC): Likewise.
7422 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7424 2008-01-16 Richard Guenther <rguenther@suse.de>
7427 * fold-const.c (fold_convert_const_int_from_int): Do not
7428 set overflow if that occured only because of a sign extension
7429 change when converting from/to a sizetype with the same
7430 precision and signedness.
7432 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7435 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7436 location address to the correct place. Update copyright year.
7438 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7440 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7441 no dependences in the dependence_relations vector.
7443 2008-01-16 Jan Hubicka <jh@suse.cz>
7445 PR rtl-optimization/31396
7446 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7447 * cfg.c (dump_reg_info): Print it.
7448 * regs.h (struct reg_info_t): add freq_calls_crossed.
7449 (REG_FREQ_CALLS_CROSSED): New macro.
7450 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7451 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7452 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7453 regmove_optimize): Update call crossed frequencies.
7454 * local-alloc.c (struct qty): Add freq_calls_crossed.
7455 (alloc_qty): Copute freq_calls_crossed.
7456 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7457 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7458 * ra.h (struct allocno): Add freq_calls_crossed.
7460 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7462 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7463 libgomp when compiling with ftree-parallelize-loops.
7464 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7466 2008-01-16 Richard Guenther <rguenther@suse.de>
7468 PR tree-optimization/34769
7469 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7470 * tree.c (int_cst_value): Instead make this function more
7471 permissive in what it accepts as valid input. Document this
7472 function always sign-extends the value.
7474 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7475 Richard Guenther <rguenther@suse.de>
7478 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7479 (gimple_fold_indirect_ref_rhs): ... this.
7480 (gimple_fold_indirect_ref): New function with foldings
7481 that preserve lvalueness.
7482 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7483 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7484 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7485 to fold an INDIRECT_REF, fall back to the old use of
7486 fold_indirect_ref_1.
7488 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7490 * tree-data-ref.c (subscript_dependence_tester_1): Call
7491 free_conflict_function.
7492 (compute_self_dependence): Same.
7494 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7497 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7498 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7500 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7501 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7502 for DWARF2_UNWIND_INFO targets.
7504 2008-01-16 Richard Guenther <rguenther@suse.de>
7507 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7508 type qualifiers for function types.
7510 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7512 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7513 loop_iterator li from previous commit.
7515 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7517 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7519 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7521 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7522 (parallelize_loops): Don't parallelize irreducible components.
7524 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7527 * c-opts (c_common_post_options): Do not enable CPP
7528 flag_pedantic_errors by default.
7530 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7532 PR rtl-optimization/31944
7533 * cse.c (remove_pseudo_from_table): New function.
7534 (merge_equiv_classes): Use above function to remove pseudo-registers.
7535 (invalidate): Likewise.
7537 2008-01-13 Richard Guenther <rguenther@suse.de>
7540 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7541 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7543 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7545 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7546 validate_change to unshare the source of the PC set.
7548 2008-01-12 Jan Hubicka <jh@suse.cz>
7551 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7552 references above array bounds. This might trigger bounds checks for
7555 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7557 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7558 new_replaceable_dependencies.
7560 2008-01-12 Doug Kwan <dougkwan@google.com>
7562 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7563 instead of OPT_Wreturn_type in warning due to ignored return type
7565 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7566 options included in -Wextra.
7567 * c.opt: New option -Wignored_qualifiers.
7568 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7569 -Wignore_qualifiers.
7570 (-Wignored-qualifiers): Document.
7571 (-Wreturn-type): Remove description of functionality now handled
7572 by -Wignored-qualifiers.
7574 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
7577 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7578 NOP_EXPR if it is between integral types with the same precision.
7580 2008-01-12 Jan Hubicka <jh@suse.cz>
7583 * invoke.texi (max-inline-recursive-depth): Fix default value.
7585 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
7587 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7590 2008-01-11 Bob Wilson <bob.wilson@acm.org>
7592 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7594 2008-01-11 James E. Wilson <wilson@specifix.com>
7597 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7599 2008-01-11 Anatoly Sokolov <aesok@post.ru>
7601 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
7602 save/restore frame pointer register and don't use 'call-prologues'
7603 optimization in function with "OS_task" attribute.
7605 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
7608 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7609 when copying to memory.
7611 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
7613 PR rtl-optimization/30905
7614 * cfgcleanup.c: Include dce.h
7615 (crossjumps_occured): New global variable.
7616 (try_crossjump_bb): Exit loop after finding a fallthru edge.
7617 If something changed, set crossjumps_occured to true.
7618 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7619 Don't add/remove fake edges to exit here...
7620 (cleanup_cfg): ...but do it here, when crossjumping.
7621 Run a fast DCE when successful crossjumps occured in the latest
7622 iteration of try_optimize_cfg.
7624 2008-01-11 Richard Guenther <rguenther@suse.de>
7626 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7627 (struct vn_unary_op_s): Likewise.
7628 (vn_reference_insert): Free old reference on hash collision.
7630 2008-01-10 Raksit Ashok <raksit@google.com>
7632 PR rtl-optimization/27971
7633 * combine.c (find_split_point): Split PLUS expressions which are
7634 inside a MEM rtx, and whose first operand is complex.
7636 2008-01-10 DJ Delorie <dj@redhat.com>
7638 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
7639 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
7640 (m32c_hard_regno_ok): Call the underlying function.
7642 2008-01-10 Richard Guenther <rguenther@suse.de>
7645 * tree-cfg.c (tree_merge_blocks): Do not go through the
7646 full-blown folding and stmt updating path if we just deal
7647 with virtual operands.
7648 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
7649 test for abnormal SSA_NAMEs.
7651 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
7654 * reload.c (push_reload): Add assertions. All constants from
7655 reg_equiv_constant should have been used for replacing the respective
7657 (find_reloads_address): Invoke find_reloads_address_part for
7658 constant taken from the reg_equiv_constant array.
7660 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
7662 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
7663 field (valnum) the first in the struct. Replace bools with
7666 2008-01-10 Richard Guenther <rguenther@suse.de>
7668 PR tree-optimization/34651
7669 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
7670 types and ordering for masking and converting.
7672 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
7674 PR tree-optimization/34017
7675 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
7676 also for PHI_NODE expressions.
7678 2008-01-09 Jan Hubicka <jh@suse.cz>
7680 PR tree-optimization/34708
7681 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
7682 based on number of case labels.
7683 (init_inline_once): Remove switch_cost.
7684 * tree-inline.h (eni_weights_d): Remove switch_cost.
7686 2008-01-09 Richard Guenther <rguenther@suse.de>
7687 Andrew Pinski <andrew_pinski@playstation.sony.com>
7690 * gimplify.c (gimplify_cond_expr): Do not create an addressable
7691 temporary if an rvalue is ok or an lvalue is not required.
7693 2008-01-09 Richard Guenther <rguenther@suse.de>
7696 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
7699 2008-01-09 Richard Guenther <rguenther@suse.de>
7702 * tree.c (host_integerp): Check for sizetype only if the
7703 type is an integer type.
7705 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
7708 * opts.c (decode_options): Disable inlining of functions called
7709 once if not in unit-at-a-time mode.
7711 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
7713 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
7715 2008-01-08 Richard Guenther <rguenther@suse.de>
7718 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
7719 out early if the result will be unused.
7721 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7726 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7727 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7730 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
7732 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
7733 for vectorization tuned.
7735 2008-01-08 Richard Guenther <rguenther@suse.de>
7737 PR tree-optimization/34683
7738 * tree-ssa-operands.c (operand_build_cmp): Export.
7739 * tree-ssa-operands.h (operand_build_cmp): Declare.
7740 * tree-vn.c (vuses_compare): Remove.
7741 (sort_vuses): Use operand_build_cmp.
7742 (sort_vuses_heap): Likewise.
7743 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
7744 to re-use old VEC if available. Do not sort already sorted VUSEs.
7745 (vdefs_to_vec): Do not sort already sorted VDEFs.
7747 2008-01-08 Jakub Jelinek <jakub@redhat.com>
7750 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
7752 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7755 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
7756 limitations of reciprocal sequences on x86 targets.
7758 2008-01-08 Richard Guenther <rguenther@suse.de>
7760 PR tree-optimization/34683
7761 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
7763 2008-01-07 Jakub Jelinek <jakub@redhat.com>
7766 * config/darwin.c (darwin_mergeable_string_section): Don't use
7767 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
7769 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
7772 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
7773 negxf2. Macroize expander using X87MODEF mode iterator. Change
7774 predicates of op0 and op1 to register_operand.
7775 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
7776 expander using X87MODEF mode iterator. Change predicates of
7777 op0 and op1 to register_operand.
7778 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
7779 corresponding patterns and macroize using MODEF macro. Change
7780 predicates of op0 and op1 to register_operand and remove
7781 "m" constraint. Disparage "r" alternative with "!".
7782 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
7783 macroize using X87MODEF macro. Change predicates of op0 and op1
7784 to register_operand and remove "m" constraint. Disparage "r"
7785 alternative with "!".
7786 (absneg splitter with memory operands): Remove.
7787 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
7788 patterns and macroize using X87MODEF mode iterator.
7789 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
7790 Change predicate of op1 to register_operand.
7791 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
7792 for memory operands.
7794 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
7796 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
7798 2008-01-07 Richard Guenther <rguenther@suse.de>
7800 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
7803 2008-01-07 Richard Guenther <rguenther@suse.de>
7805 PR tree-optimization/34683
7806 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
7807 VOPs of the needed size to save memory. Use VEC_quick_push
7808 to save compile-time.
7809 (vdefs_to_vec): Likewise.
7811 2008-01-07 Sa Liu <saliu@de.ibm.com>
7813 * config/spu/spu.md (divdf3): Genetate inline code for double
7814 division. The implementation doesn't handle INF or NAN, therefore it
7815 only applies when -ffinite-math-only is given.
7817 2008-01-06 Paolo Carlini <pcarlini@suse.de>
7820 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
7821 * doc/cpp.texi ([Common Predefined Macros]): Document.
7823 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
7825 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
7826 order to use commutative addition instead of subtraction.
7828 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7829 Mircea Namolaru <namolaru@il.ibm.com>
7830 Vladimir Yanovsky <yanov@il.ibm.com>
7831 Revital Eres <eres@il.ibm.com>
7833 PR tree-optimization/34263
7834 * tree-outof-ssa.c (process_single_block_loop_latch,
7835 contains_tree_r): New functions.
7836 (analyze_edges_for_bb): Call process_single_block_loop_latch
7837 function to empty single-basic-block latch block if possible.
7839 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7841 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7843 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7845 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7847 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7849 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7851 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7853 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7855 PR tree-optimization/34618
7856 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7859 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7862 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7863 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7864 Update copyright year.
7866 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7867 Update copyright year.
7868 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7871 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7873 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7874 edge does not point to current bb before changing need_assert.
7876 2008-01-04 Richard Guenther <rguenther@suse.de>
7879 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7880 for verifying purposes if they are is_gimple_min_invariant.
7882 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7884 PR tree-optimization/34448
7885 PR tree-optimization/34465
7886 * gimplify.c (gimplify_init_constructor): Add new parameter
7887 notify_temp_creation. Use it.
7888 (gimplify_modify_expr_rhs): Take volatiles into account when
7889 optimizing constructors.
7890 Do not optimize constructors if gimplify_init_constructor will dump to
7892 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7893 * gcc.c-torture/compile/pr34448.c: New.
7895 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7897 PR gcov-profile/34609
7898 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7899 return_slot if result is TREE_ADDRESSABLE.
7901 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7903 * config/mips/mips.md (sqrt_condition): Tweak comment.
7904 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7906 2008-01-03 Tom Tromey <tromey@redhat.com>
7909 * c-common.c (c_type_hash): Handle VLAs.
7911 2008-01-03 Jan Hubicka <jh@suse.cz>
7913 PR tree-optimization/31081
7914 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7915 0 when inlining and not inlining to first basic block.
7916 (remap_decl): When var is initialized to 0, don't set default_def.
7917 (expand_call_inline): Set entry_bb.
7918 * tree-inline.h (copy_body_data): Add entry_bb.
7920 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7923 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
7926 PR tree-optimization/29484
7927 * tree-inline.c (inline_forbidden_p_2): New function.
7928 (inline_forbidden_p): Disallow inlining if some static var
7929 has an address of a local LABEL_DECL in its initializer.
7930 * doc/extend.texi (Labels as Values): Document &&foo behaviour
7933 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
7935 PR tree-optimization/34635
7936 * tree-data-ref.c (add_other_self_distances): Make sure that the
7937 evolution step is constant.
7939 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7942 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
7944 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
7946 * tree-sra.c (scalarize_init): Insert the generate_element_init
7947 statements after the generate_element_zero statements.
7949 2008-01-02 Richard Guenther <rguenther@suse.de>
7953 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
7954 for very large number of operands instead of ICEing.
7956 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
7959 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
7960 while stack probing.
7962 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
7964 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
7967 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
7970 * tree-mudflap.c (mx_register_decls): Guard warning by
7971 !DECL_ARTIFICIAL check.
7973 2008-01-01 Jakub Jelinek <jakub@redhat.com>
7975 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
7976 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
7977 sse5_perm<mode>): Fix constraints.