1 2008-04-30 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/32921
4 * tree-ssa-loop-im.c (mem_refs_may_alias_p): Disambiguate with TBAA.
6 2008-04-30 Richard Sandiford <rsandifo@nildram.co.uk>
8 * config/arm/arm.c (arm_unwind_emit): Use
9 crtl->all_throwers_are_sibcalls instead of
10 cfun->all_throwers_are_sibcalls.
11 (arm_output_fn_unwind): Likewise.
12 * config/frv/frv.c (frv_stack_info): Use crtl->uses_pic_offset_table
13 instead of cfun->uses_pic_offset_table.
14 (frv_expand_prologue): Likewise.
15 (frv_frame_pointer_required): Likewise.
16 (frv_expand_fdpic_call): Likewise.
17 (frv_emit_movsi): Likewise.
18 * config/iq2000/iq2000.c (iq2000_expand_prologue): Use
19 cfun->returns_pcc_struct instead of
20 current_function_returns_pcc_struct.
21 * config/m32c/m32c.c (need_to_save): Use crtl->calls_eh_return
22 instead of cfun->calls_eh_return.
23 (m32c_pushm_popm): Likewise.
24 * config/xtensa/xtensa.h (cfun->calls_alloca): Remove bogus
27 2008-04-30 Richard Guenther <rguenther@suse.de>
29 PR tree-optimization/21636
30 * tree-ssa-ccp.c (ccp_fold): Handle &p->x with p being a
32 (evaluate_stmt): Print the likely value.
33 (ccp_visit_stmt): Avoid excessive vertical spacing.
35 2008-04-30 Rafael Espindola <espindola@google.com>
37 * builtins.c (fold_call_expr): Return realret.
38 * tree-ssa-threadedge.c
39 (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
40 __builtin_object_size.
42 2008-04-30 Seongbae Park <seongbae.park@gmail.com>
44 * gcc.c (wrapper_string): New variable.
45 (insert_wrapper): New function.
46 (execute): New option -wrapper.
47 * doc/invoke.texi (Overall Options): New driver option -wrapper.
49 2008-04-30 Nathan Froyd <froydnj@codesourcery.com>
51 * config/rs6000/crtresgpr.asm, config/rs6000/crtresxgpr.asm,
52 config/rs6000/crtsavgpr.asm, config/rs6000/crtresfpr.asm,
53 config/rs6000/crtresxfpr.asm, config/rs6000/crtsavfpr.asm: Break out
55 * config/rs6000/crtsavres.asm: ...here. Remove unneeded file.
56 * config/rs6000/e500crtres32gpr.asm,
57 config/rs6000/e500crtres64gpr.asm
58 config/rs6000/e500crtres64gprctr.asm,
59 config/rs6000/e500crtrest32gpr.asm
60 config/rs6000/e500crtrest64gpr.asm,
61 config/rs6000/e500crtresx32gpr.asm
62 config/rs6000/e500crtresx64gpr.asm,
63 config/rs6000/e500crtsav32gpr.asm
64 config/rs6000/e500crtsav64gpr.asm,
65 config/rs6000/e500crtsav64gprctr.asm
66 config/rs6000/e500crtsavg32gpr.asm,
67 config/rs6000/e500crtsavg64gpr.asm
68 config/rs6000/e500crtsavg64gprctr.asm: New files.
69 * config/rs6000/t-ppccomm: Add build rules for new files.
70 (LIB2FUNCS_STATIC_EXTRA): Add new files.
71 * config/rs6000/t-netbsd: Add build rules for new files.
72 (LIB2FUNCS_STATIC_EXTRA): New variable.
73 * config/rs6000/sysv4.h (ENDFILE_SPEC): Don't include crtsavres.o
74 (CRTSAVRES_DEFAULT_SPEC): Likewise.
75 * config/rs6000/netbsd.h (ENDFILE_SPEC): Likewise.
77 2008-04-30 H.J. Lu <hongjiu.lu@intel.com>
79 * config/i386/i386.c (ix86_builtin_type): Add
80 FLOAT128_FTYPE_FLOAT128_FLOAT128, V16QI_FTYPE_V16QI_V16QI,
81 V16QI_FTYPE_V8HI_V8HI, V8QI_FTYPE_V8QI_V8QI,
82 V8QI_FTYPE_V4HI_V4HI, V8HI_FTYPE_V8HI_V8HI,
83 V8HI_FTYPE_V16QI_V16QI, V8HI_FTYPE_V4SI_V4SI,
84 V4SI_FTYPE_V4SI_V4SI, V4SI_FTYPE_V8HI_V8HI,
85 V4SI_FTYPE_V4SF_V4SF, V4SI_FTYPE_V2DF_V2DF,
86 V4HI_FTYPE_V4HI_V4HI, V4HI_FTYPE_V8QI_V8QI,
87 V4HI_FTYPE_V2SI_V2SI, V4SF_FTYPE_V4SF_V4SF,
88 V4SF_FTYPE_V4SF_V4SF_SWAP, V4SF_FTYPE_V4SF_V2SI,
89 V4SF_FTYPE_V4SF_V2DF, V4SF_FTYPE_V4SF_DI,
90 V4SF_FTYPE_V4SF_SI, V2DI_FTYPE_V2DI_V2DI,
91 V2DI_FTYPE_V16QI_V16QI, V2DI_FTYPE_V4SI_V4SI,
92 V2DI_FTYPE_V2DF_V2DF, V2SI_FTYPE_V2SI_V2SI,
93 V2SI_FTYPE_V4HI_V4HI, V2SI_FTYPE_V2SF_V2SF,
94 V2DF_FTYPE_V2DF_V2DF, V2DF_FTYPE_V2DF_V2DF_SWAP,
95 V2DF_FTYPE_V2DF_V4SF, V2DF_FTYPE_V2DF_DI,
96 V2DF_FTYPE_V2DF_SI, V2SF_FTYPE_V2SF_V2SF,
97 V1DI_FTYPE_V1DI_V1DI, V1DI_FTYPE_V8QI_V8QI and
99 (bdesc_2arg): Moved to ...
101 (ix86_init_mmx_sse_builtins): Updated.
102 (ix86_expand_args_builtin): Updated. Take a pointer
103 to const struct builtin_description. Handle comparison
105 (ix86_expand_sse_compare): Take a new argument for swapping
107 (ix86_expand_builtin): Updated.
109 * config/i386/sse.md (ssse3_pmaddubswv8hi3): Renamed to ...
110 (ssse3_pmaddubsw128): This.
111 (ssse3_pmaddubswv4hi3): Renamed to ...
112 (ssse3_pmaddubsw): This.
114 * doc/extend.texi (__builtin_ia32_packsswb128): Correct
116 (__builtin_ia32_packssdw128): Likewise.
117 )__builtin_ia32_packuswb128): Likewise.
118 (__builtin_ia32_pmaddubsw): Likewise.
119 (__builtin_ia32_pmaddubsw128): Likewise.
121 2008-04-30 Richard Guenther <rguenther@suse.de>
123 PR tree-optimization/14847
124 * tree-ssa-ifcombine.c (get_name_for_bit_test): New helper function.
125 (recognize_bits_test): Use it.
126 (recognize_single_bit_test): Likewise.
128 2008-04-30 Martin Jambor <mjambor@suse.cz>
130 * ipa-cp.c (ipcp_init_stage): Calls ipa_set_called_with_variable_arg
131 instead of setting number of formal parameters to zero.
132 (ipcp_init_stage): Do not set the number of actual parameters to zero
134 (ipcp_propagate_stage): Explicitly skipping all calls to nodes
135 which are called with variable number of arguments.
136 (ipcp_insert_stage): Explicitely skipping all nodes which are
137 called with variable number of arguments.
138 (ipcp_callsite_param_print): Skipps callsites to nodes with varaible
139 number of parameters.
141 * ipa-prop.h (struct ipa_node_params): Added flag
142 called_with_var_arguments
143 (ipa_set_param_count): Added. Changed sole setter to use it.
144 (ipa_get_param_count): Added. All readers of param_count
145 converted to use it instead.
146 (ipa_set_called_with_variable_arg): Added.
147 (ipa_is_called_with_var_arguments): Added.
148 (ipa_get_ith_param): Added. All readers of param_decls converted
150 (ipa_set_cs_argument_count): Added, sole writer to argument_count
152 (ipa_get_cs_argument_count): Added, all readers of argument_count
154 (ipa_get_ith_jump_func): Added. Accessors of jump values changed
157 * ipa-prop.h (struct ipcp_formal): Renamed to ipcp_lattice
158 (struct ipcp_lattice): Renamed cval_type to type
159 (struct ipa_node_params): ipcp_cval renamed to ipcp_lattices
161 * ipa-cp.c (ipcp_cval_get_cvalue): Changed return value to tree
162 (ipcp_cval_set_cvalue): Changed type of parameter value to tree
163 (ipcp_insert_stage): Changed the type of variable cvalue to tree
164 (ipcp_replace_map_create): Changed the type of parameter cvalue to tree
165 (build_const_val): Changed the type of parameter cvalue to tree
166 (ipcp_propagate_const): Changed the type of parameter cvalue to tree
167 (ipcp_method_cval_set_cvalue_type): Renamed parameter cval_type1 to type
169 * ipa-prop.h (struct ipcp_formal): Replaced cvalue with tree called
172 * ipa-prop.c (ipa_methodlist_init): Renamed to ipa_init_func_list
173 (ipa_methodlist_not_empty): Removed, the sole user now checks directly
174 (ipa_add_method): Renamed to ipa_push_func_to_list
175 (ipa_remove_method): Renamed to ipa_pop_func_from_list
176 (ipa_callsite_param_count): Removed.
177 (ipa_callsite_param_count_set): Removed.
178 (ipa_callsite_param): Removed.
179 (ipa_callsite_callee): Removed.
180 (ipa_callsite_compute_param): Renamed to ipa_compute_jump_functions
181 (ipa_callsite_compute_count): Renamed to ipa_count_arguments
182 (ipa_method_formal_count): Removed.
183 (ipa_method_formal_count_set): Removed.
184 (ipa_method_get_tree): Removed.
185 (ipa_method_tree_map_create): Removed.
186 (ipa_method_compute_tree_map): Renamed to ipa_create_param_decls_array
187 (ipa_create_param_decls_array): Creates the array itself
188 (ipa_create_param_decls_array): Temporary variable info instead of
190 (ipa_method_formal_compute_count): Renamed to ipa_count_formal_params
191 (ipa_method_compute_modify): Renamed to ipa_detect_param_modifications
193 (ipa_jf_get_info_type): Removed.
194 (ipa_node_create): Renamed to ipa_create_node_params
195 (ipa_free): Renamed to ipa_free_all_node_params
196 (ipa_nodes_create): Renamed to ipa_create_all_node_params
197 (ipa_edges_create): Renamed to ipa_create_all_edge_args
198 (ipa_edges_free): Renamed to ipa_free_all_edge_args
199 (ipa_nodes_free): Integrated into ipa_free_all_node_params and removed
200 (ipa_free_all_node_params): Deallocation to jump_functions moved to
201 ipa_free_all_edge_args
202 (ipa_method_tree_print): Renamed to ipa_print_all_tree_maps
203 (ipa_method_modify_print): Renamed to ipa_print_all_params_modified
204 (ipa_create_methodlist_node): Removed.
205 (ipa_methodlist_method): Removed.
206 (ipa_methodlist_method_set): Removed.
207 (ipa_methodlist_next_method): Removed.
208 (ipa_methodlist_next_method_set): Removed.
209 (ipa_method_is_modified): Removed.
210 (ipa_method_modify_create): Removed.
211 (ipa_method_modify_init): Temporary variable info instead of a few
213 (ipa_detect_param_modifications): Temporary variable info instead of
215 (ipa_compute_jump_functions): Temporary variable info instead of
217 (ipa_method_modify_set): Removed.
218 (ipa_method_tree_map): Renamed to ipa_get_param_decl_index
219 (ipa_get_param_decl_index): Now accepts struct ipa_node_params rather
220 than craph_node as the first parameter.
221 (ipa_method_modify_stmt): Renamed to ipa_check_stmt_modifications
222 (ipa_method_modify_init): Removed.
223 (ipa_compute_jump_functions): Added a temp variable instead of
224 repeatadly dereferencing the cgraph_edge.aux pointer
225 (ipa_callsite_param_set_type): Removed.
226 (ipa_compute_jump_functions): i renamed to index and moved to
228 (ipa_callsite_param_set_info_type_formal): Removed.
229 (ipa_callsite_param_set_info_type): Removed.
230 (ipa_callsite_param_map_create): Removed.
231 (ipa_callsite_tree): Removed.
232 (ipa_callsite_caller): Removed.
233 (ipa_pop_func_from_list): return_method removed to return_func
235 * ipa-prop.h (enum cvalue_type): Renamed to ipa_lattice_type,
236 prefixed all values with IPA_. Changed all users.
237 (enum jump_func_type): Rnamed UNKNOWN_IPATYPE to IPA_UNKNOWN,
238 CONST_IPATYPE to IPA_CONST, CONST_IPATYPE_REF to IPA_CONST_REF
239 and FORMAL_IPATYPE IPA_PASS_THROUGH.
240 (union parameter_info): Renamed to jump_func_value.
241 (union jump_func_value): Renamed value to constant
242 (struct ipa_jump_func): Renamed info_type to value
243 (struct ipa_node): Renamed to ipa_node_params
244 (struct ipa_node_params): Renamed ipa_arg_num to param_count
245 (struct ipa_node_params): Renamed ipa_param_tree to param_decls
246 (struct ipa_node_params): Renamed ipa_mod to modified_flags
247 (struct ipa_edge): Renamed to ipa_edge_args
248 (struct ipa_edge_args): Renamed ipa_param_num to argument_count
249 (struct ipa_edge_args): Renamed ipa_param_map to jump_functions
250 (struct ipa_methodlist): Renamed to ipa_func_list
251 (struct ipa_func_list): method_p renamed to node, next_method
253 (ipa_methodlist_p): Removed, switched all users to struct pointer
254 (IS_VALID_TREE_MAP_INDEX): Renamed to IS_VALID_JUMP_FUNC_INDEX
256 2008-04-30 Alan Modra <amodra@bigpond.net.au>
258 * config/rs6000/rs6000.c (ALWAYS_RESTORE_ALTIVEC_BEFORE_POP): Define.
259 (rs6000_emit_epilogue): Use backchain to restore only when we
260 have a large frame. Make use of frame pointer to restore if we
261 have one. Handle ALWAYS_RESTORE_ALTIVEC_BEFORE_POP.
263 2008-04-29 Paolo Bonzini <bonzini@gnu.org>
265 * config/avr/avr.md (*sbrx_branch, *sbix_branch, *sbix_branch_tmp):
266 Add mode to zero_extract.
267 (sign bit tests peepholes): (Ditto.).
269 2008-04-29 H.J. Lu <hongjiu.lu@intel.com>
271 * config/i386/i386.c (ix86_builtins): Replace Prescott New
272 Instructions in comments with SSE3.
273 (ix86_builtin_type): This. Add FLOAT128_FTYPE_FLOAT128,
274 INT64_FTYPE_V4SF, INT64_FTYPE_V2DF, INT_FTYPE_V16QI,
275 INT_FTYPE_V8QI, INT_FTYPE_V4SF, INT_FTYPE_V2DF,
276 V16QI_FTYPE_V16QI, V8HI_FTYPE_V8HI, V8HI_FTYPE_V16QI,
277 V8QI_FTYPE_V8QI, V4SI_FTYPE_V4SI, V4SI_FTYPE_V16QI,
278 V4SI_FTYPE_V4SF, V4SI_FTYPE_V8HI, V4SI_FTYPE_V2DF,
279 V4HI_FTYPE_V4HI, V4SF_FTYPE_V4SF, V4SF_FTYPE_V4SI,
280 V4SF_FTYPE_V2DF, V2DI_FTYPE_V2DI, V2DI_FTYPE_V16QI,
281 V2DI_FTYPE_V8HI, V2DI_FTYPE_V4SI, V2DF_FTYPE_V2DF,
282 V2DF_FTYPE_V4SI, V2DF_FTYPE_V4SF, V2DF_FTYPE_V2SI,
283 V2SI_FTYPE_V2SI, V2SI_FTYPE_V4SF, V2SI_FTYPE_V2SF,
284 V2SI_FTYPE_V2DF, V2SF_FTYPE_V2SF and V2SF_FTYPE_V2SI.
285 (bdesc_sse_args): Renamed to ...
286 (bdesc_args): This. Add IX86_BUILTIN_PF2ID, IX86_BUILTIN_PFRCP,
287 IX86_BUILTIN_PFRSQRT, IX86_BUILTIN_PI2FD, IX86_BUILTIN_PF2IW,
288 IX86_BUILTIN_PSWAPDSI, IX86_BUILTIN_PSWAPDSF and
290 (bdesc_1arg): Moved to ...
292 (ix86_init_mmx_sse_builtins): Updated. Replace Prescott New
293 Instructions in comments with SSE3.
294 (ix86_expand_sse_operands_builtin): Renamed to ...
295 (ix86_expand_args_builtin): This. Updated.
296 (ix86_expand_unop1_builtin): Update comments.
297 (ix86_expand_builtin): Updated.
299 2008-04-29 Richard Guenther <rguenther@suse.de>
301 PR tree-optimization/36078
302 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely):
303 Update virtual SSA form after cleaning up the CFG.
305 2008-04-29 Richard Guenther <rguenther@suse.de>
308 * fold-const.c (fold_binary): Fold (A + A) * C to A * 2*C.
310 2008-04-29 Richard Guenther <rguenther@suse.de>
312 * tree-ssa-alias.c (finalize_ref_all_pointers): Remove.
313 (compute_may_aliases): Do not call finalize_ref_all_pointers.
314 (compute_flow_insensitive_aliasing): Do not treat
315 PTR_IS_REF_ALL pointers special.
316 (get_smt_for): Likewise.
317 (may_alias_p): Re-structure.
318 (is_escape_site): A ref-all pointer conversion is not an escape site.
319 * tree-ssa-structalias.c (find_what_p_points_to): Do not treat
320 PTR_IS_REF_ALL pointers special.
321 * tree-ssa-structalias.h (struct alias_info): Remove
322 ref_all_symbol_mem_tag field.
323 (PTR_IS_REF_ALL): Remove.
325 2008-04-29 Richard Guenther <rguenther@suse.de>
328 * fold-const.c (extract_muldiv_1): In combining division constants
329 make sure to never overflow.
331 2008-04-29 Nick Clifton <nickc@redhat.com>
333 * doc/tm.texi (RETURN_ADDR_RTX): Fix typo.
335 2008-04-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
338 * optc-gen.awk: Work around HP-UX/IA awk bug.
340 2008-04-28 Danny Smith <dannysmith@users.sourceforge.net>
342 * config/i386/cygming-crtend.c (register_frame_ctor): Revert my
345 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
348 * config/i386/i386.md
349 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit):
350 Change operand 1 predicate to nonimmediate_operand.
352 2008-04-28 Jakub Jelinek <jakub@redhat.com>
355 * dwarf2out.c (struct die_struct): Mark as chain_circular through
357 * gengtype.c (walk_type, write_func_for_structure): Handle
359 * doc/gty.texi: Document chain_circular.
361 2008-04-28 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/36066
364 * tree-vrp.c (execute_vrp): Cleanup the CFG only after finalizing
367 2008-04-28 Uros Bizjak <ubizjak@gmail.com>
370 * config/i386/i386.md
371 (floatdi<X87MODEF:mode>2_i387_with_xmm splitters):
372 Use match_scratch instead of match_operand for operands 3 and 4.
374 2008-04-27 Richard Guenther <rguenther@suse.de>
376 PR tree-optimization/18754
377 PR tree-optimization/34223
378 * tree-pass.h (pass_complete_unrolli): Declare.
379 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Print
380 loop size before and after unconditionally of UL_NO_GROWTH in effect.
381 Rewrite loop into loop closed SSA form if it is not already.
382 (tree_unroll_loops_completely): Re-structure to iterate over
383 innermost loops with intermediate CFG cleanups.
384 Unroll outermost loops only if requested or the code does not grow
386 * tree-ssa-loop.c (gate_tree_vectorize): Don't shortcut if no
388 (tree_vectorize): Instead do so here.
389 (tree_complete_unroll): Also unroll outermost loops.
390 (tree_complete_unroll_inner): New function.
391 (gate_tree_complete_unroll_inner): Likewise.
392 (pass_complete_unrolli): New pass.
393 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Only record
394 uses outside of the loop.
395 (tree_duplicate_loop_to_header_edge): Only verify loop-closed SSA
396 form if it is available.
397 * tree-flow.h (tree_unroll_loops_completely): Add extra parameter.
398 * passes.c (init_optimization_passes): Schedule complete inner
399 loop unrolling pass before the first CCP pass after final inlining.
401 2008-04-27 Nathan Sidwell <nathan@codesourcery.com>
403 * targhooks.h (default_emutls_var_fields,
404 default_emutls_var_init): Declare.
405 * tree.h (DECL_THREAD_LOCAL): Compare against TLS_MODEL_REAL.
406 * target.h (struct gcc_target): Add struct emutls member.
407 * target-def.h (TARGET_EMUTLS_GET_ADDRESS,
408 TARGET_EMUTLS_REGISTER_COMMON, TARGET_EMUTLS_VAR_SECTION,
409 TARGET_EMUTLS_TMPL_SECTION, TARGET_EMUTLS_VAR_PREFIX,
410 TARGET_EMUTLS_TMPL_PREFIX, TARGET_EMUTLS_VAR_FIELDS,
411 TARGET_EMUTLS_VAR_INIT, TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS,
412 TARGET_EMUTLS_VAR_ALIGN_FIXED, TARGET_EMUTLS): New.
413 (TARGET_INITIALIZER): Add TARGET_EMUTLS.
414 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS,
415 BUILT_IN_EMUTLS_REGISTER_COMMON): Get name from targetm structure.
416 * dwarf2out.c (loc_descriptor_from_tree_1): Check if emutls can
417 emit debug information.
418 * coretypes.h (tls_model): Add TLS_MODEL_EMULATED, TLS_MODEL_REAL.
419 * varasm.c: Include targhooks.h.
420 (emutls_object_section, emutls_tmpl_section): New.
421 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): Remove.
422 (EMUTLS_SEPARATOR): New.
424 (get_emutls_object_name): New.
425 (default_emutls_var_fields): New, broken out of ...
426 (get_emutls_object_type): ... here. Adjust to use target hooks.
427 (get_emutls_init_templ_addr): Adjust to use target hooks.
428 (emutls_decl): Adjust to use target hooks.
429 (emutls_finish): Likewise.
430 (default_emutls_var_init): New, broken out of ...
431 (assemble_variable): ... here. Adjust to use target hooks.
432 * output.h (enum section_category): Add SECCAT_EMUTLS_VAR,
434 * c-common.c (handle_section_attribute): Prevent overriding
435 sections for emulated tls with special sections.
436 * config/i386/i386.c (x86_64_elf_select_section): Add
437 SECCAT_EMUTLS_VAR and SECCAT_EMUTLS_TMPL.
438 (x86_64_elf_unique_section): Likewise.
439 * config/vxworks.c: Include tree.h.
440 (vxworks_emutls_var_fields, vxworks_emutls_var_init): New.
441 (vxworks_override_options): Set TLS scheme.
442 * doc/tm.texi (Emulated TLS): New node.
444 2008-04-26 Simon Baldwin <simonb@google.com>
447 * builtins.c (c_strlen): Suppressed multiple warnings that can occur
448 with propagated string constants.
450 2008-04-26 Uros Bizjak <ubizjak@gmail.com>
452 * config/i386/i386.md (fix_trunc<mode>_i387_fisttp_with_temp): Use 'X'
453 constraint for operand 2 when operand 0 is memory operand.
454 (fix_truncdi_i387_with_temp): : Use 'X' constraint for operand 4 when
455 operand 0 is memory operand.
456 (fix_trunc<mode>_i387_with_temp): Ditto.
457 (*floatsi<mode>2_vector_mixed_with_temp): Use 'X' constraint for
458 operand 2 when operand 1 is memory operand.
459 (*float<SSEMODEI24:mode><MODEF:mode>2_mixed_with_temp): Ditto.
460 (*floatsi<mode>2_vector_sse_with_temp): Ditto.
461 (*float<SSEMODEI24:mode><MODEF:mode>2_sse_with_temp): Ditto.
462 (*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
463 (floatdi<X87MODEF:mode>2_i387_with_xmm): Use 'X' constraint for
464 operands 2,3 and 4 when operand 1 is memory operand.
465 (fistdi2_with_temp): Use 'X' constraint for operand 2 when operand 0
467 (fistdi2_floor_with_temp): Ditto.
468 (fist<mode>2_floor_with_temp): Ditto.
469 (fistdi2_ceil_with_temp): Ditto.
470 (fist<mode>2_ceil_with_temp): Ditto.
471 (*truncdfsf_fast_mixed): Merge alternatives 0 and 1.
473 2008-04-26 David Daney <ddaney@avtrex.com>
475 * config/mips/mips.md (UNSPEC_COMPARE_AND_SWAP_12): New
477 (UNSPEC_SYNC_OLD_OP, UNSPEC_SYNC_NEW_OP, UNSPEC_SYNC_EXCHANGE,
478 UNSPEC_MEMORY_BARRIER, UNSPEC_SET_GOT_VERSION,
479 UNSPEC_UPDATE_GOT_VERSION): Renumber.
480 (sync_compare_and_swap<mode>): New expand for QI and HI modes.
481 (compare_and_swap_12): New insn.
482 * config/mips/mips-protos.h (mips_expand_compare_and_swap_12): Declare.
483 * config/mips/mips.c (mips_force_binary): New function.
484 (mips_emit_int_order_test, mips_expand_synci_loop): Use it.
485 (mips_expand_compare_and_swap_12): New function.
486 * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): New macro.
488 2008-04-25 Jan Hubicka <jh@suse.cz>
491 * cfgexpand.c (pass_expand): Turn into RTL pass.
492 * passes.c (execute_one_pass): Do pass typechecking after execution.
493 * tree-pass.h (pass_expand): Turn into RTL pass.
495 * function.h (struct rtl_data): Move here fields
496 accesses_prior_frames, calls_eh_return, saves_all_registers,
497 has_nonlocal_goto, has_asm_statement, is_thunk,
498 all_throwers_are_sibcalls, limit_stack, profile, uses_const_pool,
499 uses_pic_offset_table, uses_eh_lsda, tail_call_emit,
500 arg_pointer_save_area_init from struct function; turn into bool.
501 (struct function): Move
502 calls_eh_return, saves_all_registers, has_nonlocal_goto,
503 has_asm_statement, is_thunk, all_throwers_are_sibcalls, limit_stack,
504 profile, uses_const_pool, uses_pic_offset_table, uses_eh_lsda,
505 tail_call_emit, arg_pointer_save_area_init
506 into struct rtl_data. Remove recursive_call_emit and gimplified flags.
507 (current_function_returns_struct, current_function_returns_pcc_struct,
508 current_function_calls_setjmp, current_function_calls_alloca,
509 current_function_accesses_prior_frames,
510 current_function_calls_eh_return, current_function_is_thunk,
511 current_function_stdarg, current_function_profile,
512 current_function_limit_stack, current_function_uses_pic_offset_table,
513 current_function_uses_const_pool, current_function_has_nonlocal_label,
514 current_function_saves_all_registers,
515 current_function_has_nonlocal_goto,
516 current_function_has_asm_statement): Remove accesor macros.
517 * ra-conflict.c (global_conflicts): Update.
518 * tree-tailcall.c (suitable_for_tail_opt_p): Update.
519 (suitable_for_tail_call_opt_p): Update.
520 * builtins.c (expand_builtin_return_addr): Update.
521 (expand_builtin_setjmp_setup): Update.
522 (expand_builtin_nonlocal_goto): Update.
523 * final.c (final_start_function): Update.
524 (profile_function): Update.
525 (leaf_function_p): Update.
526 (only_leaf_regs_used): Update.
527 * df-scan.c (df_get_exit_block_use_set): Update.
528 * dojump.c (clear_pending_stack_adjust): Update.
529 * tree-stdarg.c (gate_optimize_stdarg): Update.
530 * gimple-low.c (lower_function_body): Update.
531 * global.c (compute_regsets): Update.
532 (global_alloc): Update.
533 * dwarf2out.c (dwarf2out_begin_prologue): Update.
534 * expr.c (expand_assignment): Update.
535 * dse.c (dse_step0): Update.
537 * c-decl.c (store_parm_decls): Update.
538 * local-alloc.c (combine_regs): Update.
539 (find_free_reg): Update.
540 * function.c (assign_parms_augmented_arg_list): Update.
541 (assign_parm_find_data_types): Update.
542 (assign_parms): Update.
543 (allocate_struct_function): Update.
544 (expand_function_start): Update.
545 (expand_function_end): Update.
546 (get_arg_pointer_save_area): Update.
547 (thread_prologue_and_epilogue_insns): Update.
548 (rest_of_match_asm_constraints): Update.
549 * stor-layout.c (variable_size): Update.
550 * gcse.c (gcse_main): Update.
551 (bypass_jumps): Update.
552 * gimplify.c (gimplify_function_tree): Update.
553 * calls.c (emit_call_1): Update.
554 (expand_call): Update.
555 * bt-load.c (compute_defs_uses_and_gen): Update.
556 * except.c (sjlj_assign_call_site_values): Update.
557 (sjlj_emit_function_enter): Update.
558 (can_throw_external): Update.
559 (set_nothrow_function_flags): Update.
560 (expand_builtin_unwind_init): Update.
561 (expand_eh_return): Update.
562 (convert_to_eh_region_ranges): Update.
563 (output_function_exception_table): Update.
564 * emit-rtl.c (gen_tmp_stack_mem): Update.
565 * cfgexpand.c (expand_used_vars): Update.
566 (tree_expand_cfg): Update.
567 * cfgcleanup.c (rest_of_handle_jump): Update.
568 * explow.c (allocate_dynamic_stack_space): Update.
569 * varasm.c (assemble_start_function): Update.
570 (force_const_mem): Update.
571 (mark_constant_pool): Update.
572 * tree-optimize.c (tree_rest_of_compilation): Update.
573 * stack-ptr-mod.c (notice_stack_pointer_modification): Update.
574 * tree-cfg.c (notice_special_calls): Update.
575 (is_ctrl_altering_stmt): Update.
576 (tree_can_make_abnormal_goto): Update.
577 (tree_purge_dead_abnormal_call_edges): Update.
578 * config/alpha/predicates.md: Update.
579 * config/alpha/alpha.c (alpha_sa_mask): Update.
580 (alpha_sa_size): Update.
581 (alpha_does_function_need_gp): Update.
582 (alpha_expand_prologue): Update.
583 (alpha_start_function): Update.
584 (alpha_output_function_end_prologue): Update.
585 (alpha_expand_epilogue): Update.
586 * config/frv/frv.c (frv_stack_info): Update.
587 (frv_expand_epilogue): Update.
588 * config/s390/s390.c (s390_regs_ever_clobbered): Update.
589 (s390_register_info): Update.
590 (s390_frame_info): Update.
591 (s390_init_frame_layout): Update.
592 (s390_can_eliminate): Update.
594 * config/spu/spu.c (spu_split_immediate): Update.
595 (need_to_save_reg): Update.
596 (spu_expand_prologue): Update.
597 (spu_expand_epilogue): Update.
598 * config/sparc/sparc.md: Update.
599 * config/sparc/sparc.c (eligible_for_return_delay): Update.
600 (sparc_tls_got): Update.
601 (legitimize_pic_address): Update.
602 (sparc_emit_call_insn): Update.
603 (sparc_expand_prologue): Update.
604 (output_return): Update.
605 (print_operand): Update.
606 (sparc_function_ok_for_sibcall): Update.
607 * config/sparc/sparc.h (EXIT_IGNORE_STACK): Update.
608 * config/m32r/m32r.md: Update.
609 * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Update.
610 (m32r_compute_frame_size): Update.
611 (m32r_expand_prologue): Update.
612 (m32r_expand_epilogue): Update.
613 (m32r_legitimize_pic_address): Update.
614 * config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Update.
615 * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
616 * config/i386/i386.c (ix86_frame_pointer_required): Update.
618 (ix86_save_reg): Update.
619 (ix86_compute_frame_layout): Update.
620 (ix86_expand_prologue): Update.
621 (ix86_expand_epilogue): Update.
622 * config/sh/sh.c (output_stack_adjust): Update.
623 (calc_live_regs): Update.
624 (sh5_schedule_saves): Update.
625 (sh_expand_prologue): Update.
626 (sh_expand_epilogue): Update.
627 (sh_setup_incoming_varargs): Update.
628 (sh_allocate_initial_value): Update.
629 (sh_get_pr_initial_val): Update.
630 * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): Update.
631 * config/sh/sh.md (label:): Update.
632 * config/avr/avr.c (out_movhi_mr_r): Update.
633 * config/crx/crx.h (enum): Update.
634 * config/xtensa/xtensa.h (along): Update.
635 * config/stormy16/stormy16.c Update.
636 (xstormy16_compute_stack_layout): Update.
637 * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Update.
638 (fr30_expand_prologue): Update.
639 * config/cris/cris.c (cris_conditional_register_usage): Update.
640 (cris_reg_saved_in_regsave_area): Update.
641 (cris_initial_frame_pointer_offset): Update.
642 (cris_simple_epilogue): Update.
643 (cris_expand_prologue): Update.
644 (cris_expand_epilogue): Update.
645 (cris_expand_pic_call_address): Update.
646 (cris_asm_output_symbol_ref): Update.
647 (cris_asm_output_label_ref): Update.
648 * config/cris/cris.md Update.
649 * config/iq2000/iq2000.c (compute_frame_size): Update.
650 (iq2000_expand_epilogue): Update.
651 * config/mt/mt.h (save_direction): Update.
652 * config/mn10300/mn10300.c (mn10300_function_value): Update.
653 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
654 (ia64_secondary_reload_class): Update.
655 * config/m68k/m68k.c (m68k_save_reg): Update.
656 (m68k_expand_prologue): Update.
657 (m68k_expand_epilogue): Update.
658 (legitimize_pic_address): Update.
659 * config/rs6000/rs6000.c (rs6000_got_register): Update.
660 (first_reg_to_save): Update.
661 (first_altivec_reg_to_save): Update.
662 (compute_vrsave_mask): Update.
663 (compute_save_world_info): Update.
664 (rs6000_stack_info): Update.
665 (spe_func_has_64bit_regs_p): Update.
666 (rs6000_ra_ever_killed): Update.
667 (rs6000_emit_eh_reg_restore): Update.
668 (rs6000_emit_allocate_stack): Update.
669 (rs6000_emit_prologue): Update.
670 (rs6000_emit_epilogue): Update.
671 (rs6000_output_function_epilogue): Update.
672 (output_profile_hook): Update.
673 (rs6000_elf_declare_function_name): Update.
674 * config/rs6000/rs6000.h (rs6000_args): Update.
675 * config/rs6000/rs6000.md: Update.
676 * config/mcore/mcore.c (mcore_expand_prolog): Update.
677 * config/arc/arc.c (arc_output_function_epilogue): Update.
678 * config/arc/arc.h (FRAME_POINTER_REQUIRED): Update.
679 * config/darwin.c (machopic_function_base_name): Update.
680 * config/score/score3.c (score3_compute_frame_size): Update.
683 (score3_epilogue): Update.
684 * config/score/score7.c (score7_compute_frame_size): Update.
685 (score7_prologue): Update.
686 (score7_epilogue): Update.
687 * config/score/score.h (FRAME_POINTER_REQUIRED): Update.
688 * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Update.
689 * config/arm/arm.c (use_return_insn): Update.
690 (require_pic_register): Update.
691 (arm_load_pic_register): Update.
692 (arm_compute_save_reg0_reg12_mask): Update.
693 (arm_compute_save_reg_mask): Update.
694 (thumb1_compute_save_reg_mask): Update.
695 (output_return_instruction): Update.
696 (arm_output_function_prologue): Update.
697 (arm_output_epilogue): Update.
698 (arm_get_frame_offsets): Update.
699 (arm_expand_prologue): Update.
700 (thumb_pushpop): Update.
701 (thumb_exit): Update.
702 (thumb1_expand_prologue): Update.
703 (thumb1_expand_epilogue): Update.
704 (arm_unwind_emit): Update.
705 (arm_output_fn_unwind): Update.
706 * config/arm/arm.h (FRAME_POINTER_REQUIRED): Update.
707 * config/arm/arm.md: Update.
708 * config/pa/pa.md: Update.
709 * config/pa/pa.c (legitimize_pic_address): Update.
710 (compute_frame_size): Update.
711 (hppa_expand_prologue): Update.
712 (hppa_expand_epilogue): Update.
713 (borx_reg_operand): Update.
714 * config/pa/pa.h (FRAME_POINTER_REQUIRED): Update.
715 (HARD_REGNO_RENAME_OK): Update.
716 * config/mips/mips.c (mips_global_pointer): Update.
717 (mips_save_reg_p): Update.
718 (mips_compute_frame_info): Update.
719 (mips_frame_pointer_required): Update.
720 (mips_expand_prologue): Update.
721 (mips_expand_epilogue): Update.
722 (mips_can_use_return_insn): Update.
723 (mips_reorg_process_insns): Update.
724 * config/v850/v850.c (compute_register_save_size): Update.
725 * config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Update.
726 * config/mmix/mmix.c (along): Update.
727 (mmix_expand_epilogue): Update.
728 * config/bfin/bfin.c (legitimize_pic_address): Update.
729 (must_save_p): Update.
730 (stack_frame_needed_p): Update.
731 (add_to_reg): Update.
732 (bfin_expand_prologue): Update.
733 * stmt.c (expand_asm_operands): Update.
734 * reload1.c (reload): Update.
735 (init_elim_table): Update.
737 2008-04-25 Bob Wilson <bob.wilson@acm.org>
739 * optabs.c (expand_float): Fix REG_EQUAL for UNSIGNED_FLOAT libcall.
741 2008-04-25 H.J. Lu <hongjiu.lu@intel.com>
743 * config/i386/sse.md (mov<mode>): Replace SSEMODEI with
745 (*mov<mode>_internal): Likewise. Support V4SF and V2DF.
746 (mov<mode>): Removed.
747 (*movv4sf_internal): Likewise.
748 (*movv2df_internal): Likewise.
750 2008-04-25 Pompapathi V Gadad <Pompapathi.V.Gadad@nsc.com>
752 * config.gcc (crx-*-elf): Remove deprecation.
754 2008-04-25 Danny Smith <dannysmith@users.sourceforge.net>
756 * config/i386/cygming-crtend.c (register_frame_ctor): Register
757 __gcc_deregister_frame with atexit.
758 (deregister_frame_dtor): Remove.
760 2008-04-24 Nathan Froyd <froydnj@codesourcery.com>
761 Nathan Sidwell <nathan@codesourcery.com>
763 * config/rs6000/rs6000.opt (mspe): Remove Var property.
765 * config/rs6000/rs6000.h (rs6000_spe): Declare.
766 (rs6000_isel): Likewise.
767 * config/rs6000/rs6000.c (rs6000_spe): New variable.
768 (rs6000_isel): New variable.
769 (rs6000_handle_option): Handle OPT_mspe and OPT_misel.
771 2008-04-24 Jakub Jelinek <jakub@redhat.com>
774 * c-common.c (handle_vector_size_attribute): Call
775 lang_hooks.types.reconstruct_complex_type instead of
776 reconstruct_complex_type.
777 * config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Likewise.
778 * config/spu/spu.c (spu_handle_vector_attribute): Likewise.
779 * langhooks.h (struct lang_hooks_for_types): Add
780 reconstruct_complex_type hook.
781 * langhooks-def.h (LANG_HOOKS_RECONSTRUCT_COMPLEX_TYPE): Define.
782 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add it.
784 2008-04-24 Richard Guenther <rguenther@suse.de>
786 * c-common.h (check_builtin_function_arguments): Declare.
787 * c-common.c (validate_nargs): New function.
788 (check_builtin_function_arguments): Likewise.
789 * c-typeck.c (build_function_call): Call
790 check_builtin_function_arguments.
791 * builtins.c (fold_builtin_classify): Remove error reporting code.
792 (fold_builtin_unordered_cmp): Likewise.
793 (fold_builtin_1): Likewise.
794 (fold_builtin_n): Likewise.
796 2008-04-24 Jakub Jelinek <jakub@redhat.com>
798 PR tree-optimization/36008
799 * fold-const.c (try_move_mult_to_index): If s == NULL, divide
800 the original op1, rather than delta by step.
802 2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>
803 Sebastian Pop <sebastian.pop@amd.com>
805 * tree-parloops.c (take_address_of, eliminate_local_variables_1,
806 eliminate_local_variables_stmt, eliminate_local_variables,
807 separate_decls_in_loop_name, separate_decls_in_loop_stmt,
808 separate_decls_in_loop, gen_parallel_loop): Make them work on a region
809 of code delimited by two edges in the CFG.
810 (separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
811 (separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
812 (separate_decls_in_loop): Renamed separate_decls_in_region. Isolate
813 the case of parallelisation of reductions.
814 (expr_invariant_in_region_p): New.
816 * tree-flow.h (gather_blocks_in_sese_region): Declared.
817 * tree-cfg.c (gather_blocks_in_sese_region): Extern.
819 2008-04-24 Ira Rosen <irar@il.ibm.com>
820 Richard Guenther <rguenther@suse.de>
822 PR tree-optimization/36034
823 * tree-vect-analyze.c (vect_analyze_group_access): SLP is
824 incapable of dealing with loads with gaps.
826 2008-04-24 Rafael Espindola <espindola@google.com>
828 * tree-flow.h (vrp_evaluate_conditional): Change signature.
829 * tree-ssa-propagate.c (fold_predicate_in): Update call to
830 vrp_evaluate_conditional.
831 * tree-vrp.c (vrp_evaluate_conditional_warnv): Remove.
832 (vrp_evaluate_conditional): Split the cond argument.
833 (vrp_visit_cond_stmt): Use vrp_evaluate_conditional_warnv_with_ops.
834 (simplify_stmt_for_jump_threading): Update call to
835 vrp_evaluate_conditional.
837 2008-04-24 Ira Rosen <irar@il.ibm.com>
839 PR tree-optimization/35982
840 * tree-vect-analyze.c (vect_check_interleaving): Check that the
841 interleaved data-refs are of the same type.
843 2008-04-24 Danny Smith <dannysmith@users.net>
845 * c-format.c (check_format_info_main): Use strncmp rather than a
846 magic prefix to handle multichar length specs.
847 * config/i386/msformat-c.c (format_length_info ms_printf_length_specs):
848 Don't prefix "I64" and "I32" with '\0'.
850 2008-04-24 Jakub Jelinek <jakub@redhat.com>
853 * config/i386/i386.c (init_cumulative_args): Don't pass anything
854 in registers for -m32 only if stdarg_p (fntype).
856 2008-04-24 Uros Bizjak <ubizjak@gmail.com>
858 PR rtl-optimization/36006
859 * expmed.c (store_fixed_bit_field): Copy op0 rtx before moving
860 temp to op0 in order to avoid invalid rtx sharing.
862 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
864 * tree-cfg.c (verify_expr): Check with is_gimple_address. Don't
865 check TREE_INVARIANT.
866 * tree-gimple.c (is_gimple_address): New.
867 (is_gimple_invariant_address): Simplify using decl_address_invariant_p.
868 * tree-gimple.h (is_gimple_address): New.
869 * tree.h (decl_address_invariant_p): New.
870 * tree.c (make_node_stat): Don't set TREE_INVARIANT.
871 (build_string): Likewise.
872 (decl_address_invariant_p): New, from is_gimple_invariant_address.
873 (tree_invariant_p_1): Likewise.
875 (tree_invariant_p): New.
876 (skip_simple_arithmetic): Use it.
877 (stabilize_reference_1): Use it.
878 (recompute_tree_invariant_for_addr_expr): Don't update TREE_INVARIANT,
880 (build1_stat): Drop code to compute TREE_INVARIANT.
881 (build2_stat): Drop code to compute TREE_INVARIANT.
882 (build3_stat): Drop code to compute TREE_INVARIANT.
883 (build4_stat): Drop code to compute TREE_INVARIANT.
884 (build5_stat): Drop code to compute TREE_INVARIANT.
885 (build7_stat): Drop code to compute TREE_INVARIANT.
886 (merge_dllimport_decl_attributes): Don't mention TREE_INVARIANT.
887 * tree.h (struct tree_base): Remove invariant_flag.
888 (TREE_INVARIANT): Remove.
889 * builtins.c (build_string_literal): Don't set TREE_INVARIANT.
890 (fold_builtin_expect): Check TREE_CONSTANT.
891 * tree-ssa-ccp.c (fold_stmt_r): Adjust comment.
892 * c-tree.h (c_expr_to_decl): Drop third parameter.
893 * c-typeck.c (build_external_ref): Don't set TREE_INVARIANT.
894 (build_c_cast): Don't set TREE_INVARIANT.
895 (pop_init_level): Don't set TREE_INVARIANT.
896 (c_objc_common_truthvalue_conversion): Don't set TREE_INVARIANT.
897 * gimplify.c (gimplify_init_ctor_preeval): Add assertion, test
899 (gimplify_init_constructor): Don't set TREE_INVARIANT.
900 (gimplify_addr_expr): Adjust comment.
901 * tree-mudflap.c (mf_build_string):
902 * print-tree.c (print_node): Don't print TREE_INVARIANT.
903 * tree-nested.c (convert_nonlocal_reference): Adjust comment.
904 * c-common.c (fix_string_type): Don't set TREE_INVARIANT.
905 * langhooks-def.h (lhd_expr_to_decl): Drop third parameter.
906 * langhooks.c (lhd_expr_to_decl): Drop third parameter.
907 * langhooks.h (struct lang_hooks): Drop third parameter from
910 2008-04-23 Richard Guenther <rguenther@suse.de>
912 PR tree-optimization/27799
913 PR tree-optimization/32921
914 PR tree-optimization/32624
915 * tree-ssa-structalias.c (merge_smts_into): Only merge the
916 SMTs aliases and the tag itself into the solution.
917 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Do not
918 merge the points-to solution back into the SMT aliases.
919 (may_alias_p): Use alias_set_subset_of instead of
920 aliases_conflict_p. A pointer which points to
921 memory with alias set zero may access any variable.
923 2008-04-23 Richard Guenther <rguenther@suse.de>
925 * alias.c (alias_set_subset_of): Correctly handle asking
926 if zero is a subset of an alias set with zero child.
927 * tree-ssa-alias.c (have_common_aliases_p): Simplify logic.
928 (compute_flow_insensitive_aliasing): Correctly walk all
929 pointers. Do not unnecessarily union sets.
931 2008-04-23 Richard Guenther <rguenther@suse.de>
934 * c-common.c (handle_alloc_size_attribute): Use type_num_arguments.
936 2008-04-22 Tomas Bily <tbily@suse.cz>
938 * tree-cfg.c (verify_expr): Check for NON_LVALUE_EXPR as
940 * tree-vrp.c (extract_range_from_unary_expr): Removed unused
942 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Likewise.
943 * tree-ssa-structalias.c (get_constraint_for): Likewise.
944 * tree-inline.c (estimate_num_insns_1): Likewise.
945 * varasm.c (const_hash_1, compare_constant, copy_constant)
946 (compute_reloc_for_constant, output_addressed_constants): Likewise.
947 * emit-rtl.c (component_ref_for_mem_expr)
948 (set_mem_attributes_minus_bitpos): Likewise.
949 * expr.c (highest_pow2_factor, expand_expr_real_1, )
950 (is_aligning_offset): Likewise.
951 * dwarf2out.c (loc_descriptor_from_tree_1, add_bound_info): Likewise.
952 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Likewise.
953 * dojump.c (do_jump): Likewise.
954 * builtins.c (get_pointer_alignment, get_memory_rtx)
955 (integer_valued_real_p, fold_builtin_next_arg): Likewise.
956 * tree-scalar-evolution.c (instantiate_parameters_1): Likewise.
958 2008-04-23 Jakub Jelinek <jakub@redhat.com>
960 PR rtl-optimization/36017
961 * builtins.c (expand_errno_check): Clear CALL_EXPR_TAILCALL before
962 expanding the library call.
964 2008-04-22 Ian Lance Taylor <iant@google.com>
966 * fold-const.c (pointer_may_wrap_p): Call int_size_in_bytes rather
969 2008-04-22 Pat Haugen <pthaugen@us.ibm.com>
971 * config/rs6000/rs6000.c (rs6000_register_move_cost): Increase cost
972 of LR/CTR moves for Power6.
974 2008-04-22 Kenneth Zadeck <zadeck@naturalbridge.com>
977 * passes.c (init_optimization_passes): Remove
978 pass_fast_rtl_byte_dce.
980 2008-04-22 Uros Bizjak <ubizjak@gmail.com>
983 * config/i386/xmmintrin.h (_mm_cvtpi16_ps): Rearrange calls to
984 builtin functions to generate faster code.
985 (_mm_cvtpu16_ps): Ditto.
986 (_mm_cvtpi32x2_ps): Ditto.
988 2008-04-22 Nick Clifton <nickc@redhat.com>
990 * common.opt (ftree-loop-distribution): Add Optimization
993 * config/frv/frv.c (frv_stack_info): Use crtl instead of cfun.
994 (frv_expand_builtin_va_start): Likewise.
996 * config/arm/arm.c (thumb_find_work_register): Fix location of
997 argument register count.
999 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1001 Support scheduling for ColdFire V1 and V3 microarchitecture.
1002 Improve scheduling of multiplication instructions.
1004 * config/m68k/m68k.md (cpu): Add cfv1 and cfv3. Rename cf_v2 to cfv1.
1005 (mac): New instruction attribute.
1006 * config/m68k/m68k.c (override_options): Handle cfv1, cfv3 and mac.
1007 (m68k_sched_mac): New variable.
1008 (m68k_sched_attr_type2, m68k_sched_md_init_global): Update.
1009 Handle cfv1 and cfv3.
1010 (max_insn_size): New static variable.
1011 (struct _sched_ib): New type.
1012 (sched_ib): New static variable.
1013 (sched_ib_size, sched_ib_filled, sched_ib_insn): Convert variables
1014 to fields of 'struct _sched_ib sched_ib'. Update all uses.
1015 (m68k_sched_variable_issue): Add modeling of cfv3 instruction buffer.
1017 (m68k_sched_md_init_global, m68k_sched_md_finish_global,
1018 m68k_sched_md_init, m68k_sched_md_finish): Handle cfv1 and cfv3. Init
1019 new variables. Update.
1020 (m68k_sched_dfa_pre_advance_cycle, m68k_sched_dfa_post_advance_cycle):
1021 Add modeling of cfv3 instruction buffer. Update.
1022 * config/m68k/m68k-protos.h (m68k_sched_mac): Declare.
1023 * config/m68k/m68k.h (TUNE_CFV3): New macro.
1024 * config/m68k/cf.md: Change substrings 'cf_v2' to 'cfv12' or 'cfv123'.
1025 (cf_* reservations): Rename to cfv12 or cfv123 to indicate cores
1026 a particular reservation applies to.
1027 (type2): Reorganize attribute values. Rename alu to alu_reg,
1028 alu_l to alu, move_l to omove. Join move to alu. Split mul
1030 (cf_ib_*): Simplify description of instruction buffer.
1031 (cf_ib_w0, cf_ib_w4, cf_ib_w5, cf_ib_w6): Remove.
1032 (cf_mem): Split into cf_mem1 and cf_mem2.
1033 (cf_v2_move_??): Rename to cfv12_alu_??.
1034 (cf_v2_move_l_??): Rename to cfv12_omove_??.
1035 (cf_v2_mul_??): Remove reservations.
1036 (cfv12_mul_l_??, cfv12_mul_w_??, cfv12_mac_w_??, cfv12_mac_l_??,
1037 cfv12_emac_??, cfv12_emac_w_i0): New reservations.
1038 (cfv12_rts, cfv12_call, cfv12_bcc, cfv12_bra, cfv12_jmp): Move to
1040 (cfv3_alu_10, cfv3_omove_10, cfv3_alu_i0, cfv3_omove_i0, cfv3_alu_01,
1041 cfv3_alu_0i, cfv3_alu_11, cfv3_omove_11, cfv3_alu_i1, cfv3_omove_i1,
1042 cfv3_alu_1i, cfv3_omove_1i, cfv3_pea_11, cfv3_pea_i1, cfv3_mul_w_10,
1043 cfv3_mul_l_10, cfv3_mul_w_i0, cfv3_mac_w_10, cfv3_mac_l_10,
1044 cfv3_mac_w_i0, cfv3_emac_10, cfv3_emac_w_i0, cfv3_rts, cfv3_call,
1045 cfv3_bcc, cfv3_bra, cfv3_jmp): New reservations.
1046 (cfv3_*_1, cfv3_*_2, cfv3_*_3): New instruction reservations that are
1047 expansions of the above reservations for instructions of sizes
1050 2008-04-22 Maxim Kuvyrkov <maxim@codesourcery.com>
1052 * rtl-factoring.c (collect_patterns_seqs): Handle CC0 targets.
1054 2008-04-21 Adam Nemet <anemet@caviumnetworks.com>
1056 * coverage.c: Include tree-pass.h.
1057 (coverage_counter_alloc): Print da_file_name to the dump file.
1059 2008-04-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1061 * sbitmap.c (sbitmap_range_empty_p): New function.
1062 * sbitmap.h (sbitmap_range_empty_p): New function.
1063 * bitmap.h: Now includes obstack.h.
1065 2008-04-21 Richard Sandiford <rsandifo@nildram.co.uk>
1066 Kenneth Zadeck <zadeck@naturalbridge.com>
1068 * dbgcnt.def (ra_byte_scan): Added.
1069 * dbgcnt.c (dbg_cnt): Added code to print message to dump_file
1070 when the last hit happens for a counter.
1071 * timevar.def (TV_DF_BYTE_LR): New variable.
1072 * tree-pass.h (pass_fast_rtl_byte_dce): New pass.
1073 * passes.c (pass_fast_rtl_byte_dce): New pass.
1074 * fwprop.c (update_df): Added mode to call df_ref_create.
1075 Renamed DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1076 DF_REF_EXTRACT_OFFSET.
1077 * df.h (DF_BYTE_LR, DF_BYTE_LR_BB_INFO, DF_BYTE_LR_IN,
1078 DF_BYTE_LR_OUT, df_byte_lr): New macro.
1080 (df_ref_extract): Added mode field.
1081 (DF_REF_WIDTH, DF_REF_OFFSET) Renamed to DF_REF_EXTRACT_WIDTH and
1082 DF_REF_EXTRACT_OFFSET.
1083 (DF_REF_EXTRACT_MODE): New macro.
1084 (df_byte_lr_bb_info): New structure.
1085 (df_print_byte_regset, df_compute_accessed_bytes,
1086 df_byte_lr_add_problem, df_byte_lr_get_regno_start,
1087 df_byte_lr_get_regno_len, df_byte_lr_simulate_defs,
1088 df_byte_lr_simulate_uses,
1089 df_byte_lr_simulate_artificial_refs_at_top,
1090 df_byte_lr_simulate_artificial_refs_at_end,
1091 df_compute_accessed_bytes): New function.
1092 (df_ref_create): Add parameter.
1093 (df_byte_lr_get_bb_info): New inline function.
1094 * df-scan.c (df_ref_record, df_uses_record,
1095 df_ref_create_structure): Added mode parameter.
1096 (df_ref_create, df_notes_rescan, df_ref_record, df_def_record_1,
1097 df_defs_record, df_uses_record, df_get_conditional_uses,
1098 df_get_call_refs, df_insn_refs_collect, df_bb_refs_collect,
1099 df_entry_block_defs_collect, df_exit_block_uses_collect):
1100 Added mode parameter to calls to df_ref_record, df_uses_record,
1101 df_ref_create_structure.
1102 (df_ref_equal_p, df_ref_compare): Added test for modes.
1103 (df_ref_create_structure): Added code to set mode. Renamed
1104 DF_REF_WIDTH and DF_REF_OFFSET to DF_REF_EXTRACT_WIDTH and
1105 DF_REF_EXTRACT_OFFSET.
1106 * df-core.c (df_print_byte_regset): New function.
1107 * df-byte-scan.c: New file.
1108 * df-problems.c (df_rd_transfer_function): Removed unnecessary
1109 calls to BITMAP_FREE.
1110 (df_byte_lr_problem_data, df_problem problem_BYTE_LR): New structure.
1111 (df_byte_lr_get_regno_start, df_byte_lr_get_regno_len,
1112 df_byte_lr_set_bb_info, df_byte_lr_free_bb_info,
1113 df_byte_lr_check_regs, df_byte_lr_expand_bitmap,
1114 df_byte_lr_alloc, df_byte_lr_reset, df_byte_lr_bb_local_compute,
1115 df_byte_lr_local_compute, df_byte_lr_init,
1116 df_byte_lr_confluence_0, df_byte_lr_confluence_n,
1117 df_byte_lr_transfer_function, df_byte_lr_free,
1118 df_byte_lr_top_dump, df_byte_lr_bottom_dump,
1119 df_byte_lr_add_problem, df_byte_lr_simulate_defs,
1120 df_byte_lr_simulate_uses,
1121 df_byte_lr_simulate_artificial_refs_at_top,
1122 df_byte_lr_simulate_artificial_refs_at_end): New function.
1123 * dce.c (byte_dce_process_block): New function.
1124 (dce_process_block): au is now passed in rather than computed
1125 locally. Changed loops that look at artificial defs to not look
1126 for conditional or partial ones, because there never are any.
1127 (fast_dce): Now is able to drive byte_dce_process_block or
1128 dce_process_block depending on the kind of dce being done.
1129 (rest_of_handle_fast_dce): Add parameter to fast_dce.
1130 (rest_of_handle_fast_byte_dce): New function.
1131 (rtl_opt_pass pass_fast_rtl_byte_dce): New pass.
1132 * Makefile.in (df-byte-scan.o, debugcnt.o): Added dependencies.
1134 2008-04-21 Daniel Franke <franke.daniel@gmail.com>
1137 * gcc.h: Added fortran options that take arguments to
1138 DEFAULT_SWITCH_TAKES_ARG and DEFAULT_WORD_SWITCH_TAKES_ARG
1141 2008-04-20 Eric Botcazou <ebotcazou@adacore.com>
1143 * tree-sra.c (sra_walk_expr) <VIEW_CONVERT_EXPR>: Disable
1144 scalarization if on the LHS and not a full access.
1146 2008-04-20 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1148 * Makefile.in (s-gtyp-input): Remove tmp-gi.list before writing it.
1150 2008-04-18 Rafael Espindola <espindola@google.com>
1152 * tree-vrp.c (find_case_label_index): Fix the binary search.
1153 (find_case_label_range): New.
1154 (vrp_visit_switch_stmt): Use find_case_label_range.
1155 (simplify_switch_using_ranges): Use find_case_label_range.
1157 2008-04-18 Eric Botcazou <ebotcazou@adacore.com>
1159 * gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
1160 using the is_gimple_lvalue predicate instead of is_gimple_min_lval.
1162 2008-04-18 Tom Tromey <tromey@redhat.com>
1165 * doc/cpp.texi (Implementation-defined behavior): Mention
1168 2008-04-18 Ian Lance Taylor <iant@google.com>
1170 * fold-const.c (pointer_may_wrap_p): New static function.
1171 (fold_comparison): Add another test for pointer overflow. Use
1172 pointer_may_wrap_p to disable some false positives.
1174 2008-04-18 Kris Van Hees <kris.van.hees@oracle.com>
1176 * c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
1177 (fname_as_string): Match updated cpp_interpret_string prototype.
1178 (fix_string_type): Support char16_t* and char32_t*.
1179 (c_common_nodes_and_builtins): Add char16_t and char32_t (and
1180 derivative) nodes. Register as builtin if C++0x.
1181 (c_parse_error): Support CPP_CHAR{16,32}.
1182 * c-common.h (RID_CHAR16, RID_CHAR32): New elements.
1183 (enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
1184 CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
1185 CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
1186 CTI_CHAR32_ARRAY_TYPE>: New elements.
1187 (char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
1188 char32_type_node, signed_char32_type_node, char16_array_type_node,
1189 char32_array_type_node): New defines.
1190 * c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
1191 (c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
1192 (lex_string): Support CPP_STRING{16,32}, match updated
1193 cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
1194 (lex_charconst): Support CPP_CHAR{16,32}.
1195 * c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
1196 and CPP_STRING{16,32}.
1198 2008-04-18 Paolo Bonzini <bonzini@gnu.org>
1201 * aclocal.m4: Regenerate.
1202 * configure: Regenerate.
1204 2008-04-18 Jan Hubicka <jh@suse.cz>
1206 * except.c (dw2_size_of_call_site_table,
1207 sjlj_size_of_call_site_table): Use vector API for call_site_record.
1209 * cgraphbuild.c (build_cgraph_edges): Update.
1210 * tree-pass.h: Update comment.
1211 * final.c (leaf_function_p): Update.
1212 (leaf_renumber_regs): Update.
1213 (rest_of_clean_state): Update.
1214 * omp-low.c (expand_omp_parallel): Update.
1215 * ipa-reference.c (analyze_function): Update.
1216 * reorg.c (find_end_label): Update.
1217 (optimize_skip): Update.
1218 (fill_simple_delay_slots): Update.
1219 (fill_simple_delay_slots): Update.
1220 (make_return_insns): Update.
1221 (dbr_schedule): Update.
1222 * gimple-low.c (record_vars_into): Update.
1223 * cfgbuild.c (make_edges): Update.
1224 * function.c (assign_stack_local): Update.
1225 (assign_parm_adjust_stack_rtl): Update.
1226 (locate_and_pad_parm): Update.
1227 (allocate_struct_function): Do not initialize stack_alignment_needed
1228 and preferred_stack_boundary here.
1229 (stack_protect_prologue): Update.
1230 (stack_protect_epilogue): Update.
1231 (expand_function_start): Initialize stack_alignment_needed,
1232 preferred_stack_boundary and max_jumptable_ents.
1233 (expand_function_end): Update.
1234 (free_after_compilation): Do not NULLify epilogue_delay_list.
1235 * function.h (struct rtl_data): Add stack_protect_guard,
1236 stack_alignment_needed,
1237 preferred_stack_boundary, epilogue_delay_list.
1238 (struct function): Remove value_histograms, stack_alignment_needed,
1239 preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
1241 unexpanded_var_list, stack_protect_guard.
1242 (current_function_epilogue_delay_list): Remove.
1243 * ipa-type-escape.c (analyze_function): Update.
1244 * gimplify.c (pop_gimplify_context): Update comment.
1245 * calls.c (expand_call): Update.
1246 (emit_library_call_value_1): Update.
1247 * except.c (set_nothrow_function_flags): Update.
1248 * cfgexpand.c (get_decl_align_unit): Update.
1249 (create_stack_guard): Update.
1250 (estimated_stack_frame_size): Update.
1251 (expand_used_vars): Update.
1252 (tree_expand_cfg): Free histogram earliers, init expansion variables.
1253 * explow.c (allocate_dynamic_stack_space): Update.
1254 * tree-ssa-live.c (remove_unused_locals): Update.
1255 * varasm.c (mark_constant_pool): Update.
1256 * tree-inline.c (remap_decls): Update.
1257 (initialize_cfun): Update.
1258 (declare_return_variable): Update.
1259 (inline_forbidden_p): Update.
1260 (expand_call_inline): Update.
1261 (declare_inline_vars): Update.
1262 (tree_function_versioning): Update.
1263 * tree-flow.h (value_histograms): New.
1264 (VALUE_HISTOGRAMS): New macro.
1265 * basic-block.h (control_flow_graph): Add max_jumptable_ents,
1267 * tree-cfg.c (set_bb_for_stmt): Update.
1268 (replace_by_duplicate_decl): Update.
1269 (move_block_to_fn): Update.
1270 (new_label_mapper): Update.
1271 (dump_function_to_file): Update.
1272 * ipa-struct-reorg.c (build_data_structure): Update.
1273 * cfgrtl.c (print_rtl_with_bb): Update.
1274 * reload1.c (reload): Update.
1276 * config/i386/i386.c (setup_incoming_varargs_64,
1277 ix86_compute_frame_layout): Update.
1278 * config/arc/arc.c (arc_output_function_epilogue): Update.
1280 2008-04-18 Marius Strobl <marius@FreeBSD.org>
1282 * gthr-posix.h (__gthread_active_p): Use the Solaris implementation
1283 for FreeBSD as well.
1284 * gthr-posix95.h: Likewise.
1286 2008-04-17 Richard Sandiford <rsandifo@nildram.co.uk>
1288 PR rtl-optimization/35838
1289 * dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
1290 out the byte offset of the first subreg.
1292 2008-04-17 Uros Bizjak <ubizjak@gmail.com>
1294 * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
1295 to split_ti instead of three separate calls with single member arrays.
1296 (subti3 splitter): Ditto.
1297 (adddi3 splitter): Ditto with split_di.
1298 (subdi3 splitter): Ditto.
1299 (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
1300 two separate calls with single member arrays. Swap match_dup
1301 operands 1 and 2 to better fit into the array.
1302 (negdi2 splitter): Ditto with split_di.
1303 (movdfcc splitter): Pass arrays of 2 operands to split_di instead of
1304 two separate calls with single member arrays. Swap match_dup operands
1305 6 and 7 to better fit into the array.
1307 2008-04-17 H.J. Lu <hongjiu.lu@intel.com>
1309 * config/i386/i386.c (sse_builtin_type): New.
1310 (bdesc_sse_args): Likewise.
1311 (bdesc_sse_3arg): Removed.
1312 (bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1313 (bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
1314 IX86_BUILTIN_ROUNDPS.
1315 (ix86_init_mmx_sse_builtins): Handle bdesc_sse_args. Remove
1316 bdesc_sse_3arg. Remove IX86_BUILTIN_ROUNDPD and
1317 IX86_BUILTIN_ROUNDPS.
1318 (ix86_expand_sse_4_operands_builtin): Removed.
1319 (ix86_expand_sse_operands_builtin): New.
1320 (ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
1321 and CODE_FOR_sse4_1_roundps.
1322 (ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
1323 Handle bdesc_sse_args. Remove bdesc_sse_3arg.
1325 2008-04-17 Alan Modra <amodra@bigpond.net.au>
1328 * config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
1329 regs before frame pop when needed. If use_backchain_to_restore_sp
1330 then load backchain into a temp reg to restore vr and vrsave. Add
1331 code to restore vr after frame pop if possible.
1333 2008-04-17 Richard Guenther <rguenther@suse.de>
1335 * tree-vn.c (expressions_equal_p): Do not check type
1336 equality or compatibility before calling operand_equal_p.
1337 * fold-const.c (operand_equal_p): Check equivalence of
1338 integer constants before bailing out due to signedness or
1339 precision differences.
1340 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
1341 spurious differences in type qualification. Ignore types
1342 for COMPONENT_REFs at all.
1344 2008-04-17 Christian Bruel <christian.bruel@st.com>
1346 * config/sh/sh.c (expand_cbranchdi4): Use original operands for
1347 msw_skip comparison.
1349 2008-04-16 Jakub Jelinek <jakub@redhat.com>
1352 * tree-nrv.c (tree_nrv): Don't optimize if result_type is GIMPLE
1355 PR tree-optimization/35899
1356 * tree-inline.c (expand_call_inline): Use GIMPLE_STMT_OPERAND
1357 rather than TREE_OPERAND.
1359 2008-04-16 Uros Bizjak <ubizjak@gmail.com>
1362 * config/i386/i386.md (fmodxf3): Copy operand 1 and operand 2 into
1363 temporary registers. Change operand predicate to general_operand.
1364 (remainderxf3): Ditto.
1366 2008-04-16 Richard Guenther <rguenther@suse.de>
1368 * Makefile.in (tree-affine.o): Add $(FLAGS_H) dependency.
1369 * tree-affine.c (aff_combination_expand): Look through some
1372 2008-04-15 Doug Kwan <dougkwan@google.com>
1374 * dwarf2asm.c (dw2_assemble_integer): Cast to unsigned HOST_WIDE_INT
1376 * tree-pretty-print.c (dump_generic_node): Ditto.
1377 * final.c (output_addr_const): Ditto.
1378 * dwarf2out.c (output_cfi): Ditto.
1379 * c-pretty-print.c (pp_c_integer_constant): Ditto.
1380 * print-rtl.c (print_rtx): Ditto.
1381 * print-tree.c (print_node_brief, print_node): Ditto.
1382 * c-common.c (match_case_to_enum_1): Ditto.
1383 * sched-vis.c (print_value): Ditto.
1384 * config/i386/i386.c (print_operand): Cast to long unsigned int
1387 2008-04-15 Danny Smith <dannysmith@users.sourceforge.net>
1388 * libgcc2.c [L_trampoline]: Remove unnecessary prototype for
1389 MS Windows VirtualProtect function.
1391 2008-04-15 Jan Hubicka <jh@suse.cz>
1393 * gengtype.c (write_root): Param_is argument is OK.
1394 * expr.c (expand_expr_real_1): Update call of get_exception_*.
1395 * function.h: Include varray.h
1396 (rtl_eh): New stucture based on except.c one.
1397 (call_site_record): New forward declaration and vector type.
1398 * calls.c (emit_call_1): Do not call
1399 note_current_region_may_contain_throw.
1400 * except.c (eh_status): Remove cur_region, try_region since they are
1402 Move filter, exc_ptr, ttype_data, ehspec_data, action_record_data and
1403 exception_handler_label_map, ehr_stackadj, ehr_handler, ehr_label,
1404 sjlj_fc, sjlj_exit_after to rth_eh in function.h.
1405 Remove call_site_data_used, call_site_data_size.
1406 Turn call_site_record into vector in function.h.
1407 (note_current_region_may_contain_throw): Remove.
1408 (get_exception_pointer, get_exception_filter): Do not take struct
1409 function argument; update.
1410 (add_ehl_entry, find_exception_handler_labels, ehspec_filter_hash,
1411 add_ttypes_entry, add_ehspec_entry, assign_filter_values,
1412 build_post_landing_pads, dw2_build_landing_pads,
1413 sjlj_assign_call_site_values, sjlj_mark_call_sites,
1414 sjlj_emit_function_enter, sjlj_emit_function_enter,
1415 sjlj_emit_function_exit, sjlj_emit_dispatch_table,
1416 sjlj_build_landing_pads, finish_eh_generation,
1417 remove_exception_handler_label, remove_eh_handler,
1418 maybe_remove_eh_handler, add_reachable_handler,
1419 reachable_handlers, expand_builtin_eh_return, expand_eh_return,
1420 add_action_record, collect_one_action_chain, add_call_site,
1421 convert_to_eh_region_ranges, sjlj_size_of_call_site_table,
1422 sjlj_output_call_site_table, output_function_exception_table,
1423 * except.h (note_current_region_may_contain_throw): Remove
1424 (get_exception_pointer, get_exception_filter): Do not take struct
1426 * Makefile.in (GTFILES): Put varargs before struct function.
1428 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1430 * tree-ssa-structalias.c (get_constraint_for_component_ref): Do not
1431 punt for STRING_CST.
1432 (get_constraint_for): Deal with STRING_CST here instead.
1434 2008-04-15 Richard Guenther <rguenther@suse.de>
1436 * tree-ssa-propagate.c (substitute_and_fold): Substitute
1437 statements in a basic-block with a backward walk. Do not
1438 substitute into dead statements but instead remove those.
1440 2008-04-15 Richard Guenther <rguenther@suse.de>
1442 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
1443 to zero, thus disable creation of SFTs.
1445 2008-04-15 Eric Botcazou <ebotcazou@adacore.com>
1447 * tree-predcom.c (suitable_reference_p): Return false if the
1448 reference can throw.
1450 2008-04-15 Jakub Jelinek <jakub@redhat.com>
1453 * c-decl.c (finish_decl): If extern or static var has variable
1454 size, set TREE_TYPE (decl) to error_mark_node.
1456 2008-04-15 Rafael Espindola <espindola@google.com>
1458 * fold-const.c (tree_call_nonnegative_warnv_p): Remove local
1461 2008-04-15 Richard Guenther <rguenther@suse.de>
1463 * tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
1464 * tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
1465 (visit_reference_op_load): Do walk vuse-vdef chains on
1466 vn_reference_lookup.
1467 (visit_reference_op_store): But do not here.
1468 * tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
1469 vn_reference_lookup.
1470 (vn_lookup_with_vuses): But do so here.
1472 2008-04-14 Ian Lance Taylor <iant@google.com>
1474 * fold-const.c (fold_overflow_warning): Remove assertion.
1476 2008-04-15 Ben Elliston <bje@au.ibm.com>
1478 * config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
1479 temp1 local variables.
1481 2008-04-15 Zuxy Meng <zuxy.meng@gmail.com>
1484 * config/i386/winnt.c (i386_pe_section_type_flags): Mark
1485 ".text.unlikely" section as executable.
1487 2008-04-14 James E. Wilson <wilson@tuliptree.org>
1489 * config/ia64/ia64.c (rtx_needs_barrier): Handle
1490 UNSPEC_FR_SQRT_RECIP_APPROX_RES.
1491 * config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
1492 (divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
1493 divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
1494 divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
1495 divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.
1497 2008-04-14 Ian Lance Taylor <iant@google.com>
1499 * flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
1500 * fold-const.c (fold_comparison): If appropriate, test
1501 POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
1502 (fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
1503 reassociating a pointer type.
1504 * doc/invoke.texi (Optimize Options): Document that
1505 -fstrict-overflow applies to pointer wraparound.
1507 2008-04-13 Jan Hubicka <jh@suse.cz>
1509 * m32.c (m32c_pushm_popm): Use crtl->retrun_rtx.
1511 2008-04-12 Andrew Pinski <pinskia@gmail.com>
1513 * config/rs6000/rs6000.c (compute_save_world_info): Set lr_save_p if
1514 we are going to "save the world".
1516 2008-04-13 Hans-Peter Nilsson <hp@axis.com>
1518 * config/cris/cris.md ("*andhi_lowpart_non_v32", "*andhi_lowpart_v32")
1519 ("*andqi_lowpart_non_v32", "*andqi_lowpart_v32"): Use "+" for the
1520 operand 0 constraint, not "=".
1522 2008-04-11 James E. Wilson <wilson@tuliptree.org>
1524 * system.h: Change ASSERT_CHECKING to ENABLE_ASSERT_CHECKING.
1526 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1528 * dse.c (record_store): Use HOST_BITS_PER_WIDE_INT instead
1529 of size of positions_needed * CHAR_BIT.
1531 2008-04-11 H.J. Lu <hongjiu.lu@intel.com>
1534 * dse.c (store_info): Change positions_needed to unsigned
1536 (lowpart_bitmask): New.
1537 (record_store): Cast to unsigned HOST_WIDE_INT for
1538 positions_needed. Assert width <= size of positions_needed *
1539 CHAR_BIT. Call lowpart_bitmask to initialize positions_needed.
1540 (check_mem_read_rtx): Use unsigned HOST_WIDE_INT on mask. Call
1541 lowpart_bitmask to set mask.
1543 2008-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
1545 * config/bfin/constraints.md: New file.
1546 * config/bfin/bfin.md: Include it.
1547 (adddi3): Use satisfies_constraint functions instead of the old macros.
1548 * config/bfin/bfin.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
1549 CONST_18UBIT_IMM_P, CONST_16BIT_IMM_P, CONST_16UBIT_IMM_P,
1550 CONST_7BIT_IMM_P, CONST_7NBIT_IMM_P, CONST_5UBIT_IMM_P,
1551 CONST_4BIT_IMM_P, CONST_4UBIT_IMM_P, CONST_3BIT_IMM_P,
1552 CONST_3UBIT_IMM_P, CONST_OK_FOR_K, CONST_OK_FOR_P, CONST_OK_FOR_M,
1553 CONST_OK_FOR_CONSTRAINT_P, CONST_DOUBLE_OK_FOR_LETTER,
1554 EXTRA_CONSTRAINT): Delete.
1555 * config/bfin/predicates.md (highbits_operand, reg_or_7bit_operand,
1556 reg_or_neg7bit_operand): Use satisfies_constraint functions instead
1558 * config/bfin/bfin.c: Include "tm-constrs.h".
1559 (bfin_secondary_reload, split_load_immediate, bfin_rtx_costs):
1560 Use satisfies_constraint functions instead of the old macros.
1561 * doc/md.texi (Blackfin Constraints): Update file name reference.
1563 2008-04-11 Richard Guenther <rguenther@suse.de>
1565 PR tree-optimization/35869
1566 * tree-vrp.c (execute_vrp): Move switch statement update after
1567 jump threading. Schedule another cfg cleanup run.
1569 2008-04-11 Volker Reichelt <v.reichelt@netcologne.de>
1572 * attribs.c (decl_attributes): Return early on errorneous node.
1574 2008-04-10 Oleg Ryjkov <olegr@google.com>
1576 * tree.h (struct tree_base): Added a new flag default_def_flag.
1577 (SSA_NAME_IS_DEFAULT_DEF): Changed to use the new flag.
1579 2008-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1581 * config.gcc (need_64bit_hwint): Need 64bit hwint for sh-*-*.
1583 2008-04-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1586 * pa.md: Define mode iterator P. Define mode attribute dwc.
1587 (dcacheflush): Update pattern to use iterator P and attribute dwc.
1588 (icacheflush): Likewise.
1589 * pa.h (INITIALIZE_TRAMPOLINE): Use dcacheflushsi/icacheflushsi if
1590 !TARGET_64BIT, and dcacheflushdi/icacheflushdi if TARGET_64BIT.
1592 2008-04-11 Ben Elliston <bje@au.ibm.com>
1594 * config/spu/spu.c (spu_init_builtins): Mark builtins as nothrow.
1596 2008-04-10 Rafael Espindola <espindola@google.com>
1598 * tree-vrp.c (extract_range_from_binary_expr): Don't handle
1599 TRUTH_ANDIF_EXPR or TRUTH_ORIF_EXPR.
1600 (extract_range_from_expr): The same.
1602 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1604 * config/mips/mips.md (GPR2): New mode iterator.
1606 (*seq_<mode>, *seq_<mode>_mips16, *sne_<mode>, *sgt<u>_<mode>,
1607 *sgt<u>_<mode>_mips16, *sge<u>_<mode>, *slt<u>_<mode>,
1608 *slt<u>_<mode>_mips16 *sle<u>_<mode>, *sle<u>_<mode>_mips16):
1609 Rewrite these to take two modes, the mode of comparison and the
1610 mode of the destination.
1611 * config/mips/mips.c (mips_expand_scc): Instead of having
1612 paradoxical subreg as destination, expand "narrowing" scc if mode
1613 of comparison is SI and target is requested in DI mode.
1614 (mips_emit_int_order_test): Update comment. Make mode of
1615 comparison match CMP0 rather than TARGET. When creating inverse
1616 target use mode of TARGET.
1618 2008-04-10 Adam Nemet <anemet@caviumnetworks.com>
1620 * gcov-dump.c (tag_summary): Only print summaries for the first
1621 GCOV_COUNTERS_SUMMABLE counters.
1623 2008-04-10 Uros Bizjak <ubizjak@gmail.com>
1625 * config/i386/i386.md (absneg): New code iterator.
1626 (absnegprefix): New code attribute.
1627 (<code><mode>2): Macroize expander from abs<mode>2 and neg<mode>2
1628 patterns using absneg code iterator.
1629 (<code>tf2): Macroize expander from abstf2 and negtf2 patterns
1630 using absneg code iterator.
1631 (*<code><mode>2_1): Macroize insn pattern from *abs<mode>2_1 and
1632 *neg<mode>2 patterns using absneg code iterator.
1633 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1634 *negextendsfdf2 patterns using absneg code iterator.
1635 (*<code>extendsfxf2): Macroize insn pattern from *absextendsfxf2 and
1636 *negextendsfxf2 patterns using absneg code iterator.
1637 (*<code>extendsfdf2): Macroize insn pattern from *absextendsfdf2 and
1638 *negextendsfdf2 patterns using absneg code iterator.
1639 * config/i386/sse.md (<code><mode>2): Macroize expander from
1640 abs<mode>2 and neg<mode>2 patterns using absneg code iterator.
1642 2008-04-10 Andreas Krebbel <krebbel1@de.ibm.com>
1644 * config/s390/s390.h: Remove the remains of the recent search
1645 & replace action of current_function_outgoing_args_size.
1647 2008-04-10 Ira Rosen <irar@il.ibm.com>
1649 PR tree-optimization/35821
1650 * tree-vect-transform.c (vect_create_data_ref_ptr): Add check that
1651 NEW_STMT_LIST is not NULL.
1653 2008-04-09 David Edelsohn <edelsohn@gnu.org>
1656 * toplev.c (process_options): Remove -ffunction-sections debugging
1659 2008-04-09 Peter Bergner <bergner@vnet.ibm.com>
1661 PR middle-end/PR28690
1662 * explow.c (break_out_memory_refs): Use simplify_gen_binary rather
1663 than gen_rtx_fmt_ee to perform more canonicalizations.
1665 2008-04-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1668 * collect2.c (write_c_file): Don't wrap in "#ifdef __cplusplus".
1670 2008-04-09 Richard Guenther <rguenther@suse.de>
1672 * tree-cfg.c (verify_stmt): Print complete bogus stmt.
1673 (dump_function_to_file): Dump function arguments with types.
1675 2008-04-08 Richard Guenther <rguenther@suse.de>
1677 * fold-const.c (fold_widened_comparison): Do not allow
1678 sign-changes that change the result.
1680 2008-04-08 Janis Johnson <janis187@us.ibm.com>
1683 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle additional
1684 kinds of indirect references.
1686 2008-04-08 David Edelsohn <edelsohn@gnu.org>
1688 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update
1689 GNU Fortran language string.
1691 2008-04-08 Rafael Espindola <espindola@google.com>
1693 * fold-canst.c (tree_call_nonnegative_warnv_p): New.
1694 (tree_invalid_nonnegative_warnv_p): Use tree_call_nonnegative_warnv_p.
1695 * tree.h (tree_call_nonnegative_warnv_p): New.
1697 2008-04-08 Jan Hubicka <jh@suse.cz>
1699 * function.c (free_after_compilation): Clear out regno_reg_rtx
1702 2008-04-08 Peter Bergner <bergner@vnet.ibm.com>
1705 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1707 PR middle-end/PR28690
1708 * rtlanal.c: (commutative_operand_precedence): Give SYMBOL_REF's the
1709 same precedence as REG_POINTER and MEM_POINTER operands.
1711 2008-04-08 Richard Guenther <rguenther@suse.de>
1714 * tree-ssa-address.c (create_mem_ref): Use POINTER_PLUS_EXPR
1715 for adding index to base.
1717 2008-04-08 Kai Tietz <kai.tietz@onevision.com>
1719 * config/i386/mingw32.h (ENABLE_EXECUTE_STACK): New.
1720 (MINGW_ENABLE_EXECUTE_STACK): New.
1721 (IN_LIBGCC2): For libgcc include windows.h file for
1722 function declarations.
1724 2008-04-08 Hans-Peter Nilsson <hp@axis.com>
1726 * config/cris/cris.c (cris_address_cost): For a PLUS, swap tem1
1727 and tem2 if tem1 is not a REG or MULT.
1729 2008-04-08 Jan Hubicka <jh@suse.cz>
1731 * function.h (incomming_args): Break out of struct function.
1732 (function_subsections): Break out of struct function.
1733 (rtl_data): Add args, subsections fields. Break out outgoing_args_size,
1734 return_rtx and hard_reg_initial_vals from struct function.
1735 Kill inl_max_label_num.
1736 (current_function_pops_args, current_function_args_info,
1737 current_function_args_size, current_function_args_size,
1738 current_function_pretend_args_size,
1739 current_function_outgoing_args_size,
1740 current_function_internal_arg_pointer, current_function_return_rtx):
1741 Kill compatibility accestor macros.
1742 * builtins.c (expand_builtin_apply_args_1): Update.
1743 (expand_builtin_next_arg): Update.
1744 * df-scan.c (df_get_call_refs): Update.
1745 * dbxout.c (dbxout_function_end): Update.
1746 * dwarf2out.c (dwarf2out_switch_text_section): Update.
1747 (output_line_info): Update.
1748 (secname_for_decl): Update.
1749 (dwarf2out_var_location): Update.
1750 * function.c (free_after_compilation): Update.
1751 (assign_parm_find_stack_rtl): Update.
1752 (assign_parms): Update.
1753 (expand_dummy_function_end): Update.
1754 (expand_function_end): Update.
1755 * calls.c (mem_overlaps_already_clobbered_arg_p): Update.
1756 (expand_call): Update.
1757 (emit_library_call_value_1): Update.
1758 (store_one_arg): Update.
1759 * varasm.c (initialize_cold_section_name): Update.
1760 (unlikely_text_section): Update.
1761 (unlikely_text_section_p): Update.
1762 (assemble_start_function): Update.
1763 (assemble_end_function): Update.
1764 (default_section_type_flags): Update.
1765 (switch_to_section): Update.
1766 * integrate.c (set_decl_abstract_flags): Update.
1767 (get_hard_reg_initial_val): Update.
1768 (has_hard_reg_initial_val): Update.
1769 (allocate_initial_values): Update.
1770 * resource.c (init_resource_info): Update.
1771 * config/alpha/alpha.c (NUM_ARGS): Update.
1772 (direct_return): Update.
1773 (alpha_va_start): Update.
1774 (alpha_sa_size): Update.
1775 (alpha_initial_elimination_offset): Update.
1776 (alpha_expand_prologue): Update.
1777 (alpha_start_function): Update.
1778 (alpha_expand_epilogue): Update.
1779 (unicosmk_initial_elimination_offset):
1780 * config/alpha/alpha.md (call expander): Update.
1781 * config/s390/s390.c (s390_register_info): Update.
1782 (s390_register_info): Update.
1783 (s390_frame_info): Update.
1784 (s390_initial_elimination_offset): Update.
1785 (s390_build_builtin_va_list): Update.
1786 (s390_va_start): Update.
1787 * config/spu/spu.c (direct_return): Update.
1788 (spu_expand_prologue): Update.
1789 (spu_initial_elimination_offset): Update.
1790 (spu_build_builtin_va_list): Update.
1791 (spu_va_start): Update.
1792 * config/sparc/sparc.c (sparc_init_modes): Update.
1793 (sparc_compute_frame_size): Update.
1794 (function_value): Update.
1795 * config/m32r/m32r.c (m32r_compute_frame_size): Update.
1796 * config/i386/i386.md (return expander): Update.
1797 * config/i386/i386.c (ix86_va_start): Update.
1798 (ix86_can_use_return_insn_p): Update.
1799 (ix86_compute_frame_layout): Update.
1800 (ix86_expand_epilogue): Update.
1801 * config/sh/sh.c (output_stack_adjust): Update.
1802 (calc_live_regs): Update.
1803 (sh_expand_prologue): Update.
1804 (sh_builtin_saveregs): Update.
1805 (sh_va_start): Update.
1806 (initial_elimination_offset): Update.
1807 (sh_allocate_initial_value): Update.
1808 (sh_function_ok_for_sibcall): Update.
1809 (sh_get_pr_initial_val): Update.
1810 * config/sh/sh.md (return expander): Update.
1811 * config/avr/avr.c (frame_pointer_required_p): UPdate.
1812 * config/crx/crx.c (crx_compute_frame): UPdate.
1813 (crx_initial_elimination_offset): UPdate.
1814 * config/xtensa/xtensa.c (compute_frame_size): Update
1815 (xtensa_builtin_saveregs): Update.
1816 (xtensa_va_start): Update.
1817 (order_regs_for_local_alloc): Update.
1818 * config/stormy16/stormy16.c (xstormy16_compute_stack_layout): Update.
1819 (xstormy16_expand_builtin_va_start): Update.
1820 * config/fr30/fr30.c (fr30_compute_frame_size): Update.
1821 * config/m68hc11/m68hc11.md (return expanders): Update.
1822 * config/m68hc11/m68hc11.c (expand_prologue): Update.
1823 (expand_epilogue): Update.
1824 * config/cris/cris.c (cris_initial_frame_pointer_offset): Update.
1825 (cris_simple_epilogue): Update.
1826 (cris_expand_prologue): Update.
1827 (cris_expand_epilogue): Update.
1828 * config/iq2000/iq2000.c (iq2000_va_start): Update.
1829 (compute_frame_size): Update.
1830 * config/mt/mt.c (mt_compute_frame_size): Update.
1831 * config/mn10300/mn10300.c (expand_prologue): Update.
1832 (expand_epilogue): Update.
1833 (initial_offset): Update.
1834 (mn10300_builtin_saveregs):
1835 * config/mn10300/mn10300.md (return expander): Update.
1836 * config/ia64/ia64.c (ia64_compute_frame_size): Update.
1837 (ia64_initial_elimination_offset): Update.
1838 (ia64_initial_elimination_offset): Update.
1839 (ia64_expand_prologue): Update.
1840 * config/m68k/m68k.md (return expander): Update.
1841 * config/rs6000/rs6000.c (rs6000_va_start): Update.
1842 (rs6000_stack_info): Update.
1843 * config/mcore/mcore.c (layout_mcore_frame): Update.
1844 (mcore_expand_prolog): Update.
1845 * config/arc/arc.c (arc_compute_frame_size): Update.
1846 * config/score/score3.c (score3_compute_frame_size): Update.
1847 * config/score/score7.c (score7_compute_frame_size): Update.
1848 * config/arm/arm.c (use_return_insn): Update.
1849 (thumb_find_work_register): Update.
1850 (arm_compute_save_reg_mask): Update.
1851 (arm_output_function_prologue): Update.
1852 (arm_output_epilogue): Update.
1853 (arm_size_return_regs): Update.
1854 (arm_get_frame_offsets): Update.
1855 (arm_expand_prologue): Update.
1856 (thumb_exit): Update.
1857 (thumb_unexpanded_epilogue): Update.
1858 (thumb1_output_function_prologue): Update.
1859 * config/pa/pa.md (return expander): Update.
1860 * config/pa/pa.c (compute_frame_size): Update.
1861 (hppa_builtin_saveregs): Update.
1862 * config/mips/mips.c (mips_va_start): Update.
1863 (mips16_build_function_stub): Update.
1864 (mips_compute_frame_info): Update.
1865 (mips_restore_gp): Update.
1866 (mips_output_function_prologue): Update.
1867 (mips_expand_prologue): Update.
1868 * config/v850/v850.c (compute_frame_size): Update.
1869 (expand_prologue): * config/mmix/mmix.c (along): update.
1870 (mmix_initial_elimination_offset): update.
1871 (mmix_reorg): update.
1872 (mmix_use_simple_return): update.
1873 (mmix_expand_prologue): update.
1874 (mmix_expand_epilogue): Update.
1875 * config/bfin/bfin.c (bfin_initial_elimination_offset): Update.
1876 (emit_link_insn): Update.
1878 2008-04-08 Anatoly Sokolov <aesok@post.ru>
1880 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Define
1881 __AVR_HAVE_EIJMP_EICALL__ macro if device have EIJMP and EICALL
1883 * config/avr/avr.c (avr_mcu_types): Set AVR31 architecture for
1886 2008-04-07 Jan Hubicka <jh@suse.cz>
1888 * function.h (rtl): Rename to x_rtl.
1890 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
1891 frame_offset, stack_check_probe_note, arg_pointer_save_area,
1892 used_temp_slots avail_temp_slots, temp_slot_level,
1893 nonlocal_goto_handler_labels): Update accesstors.
1894 (rtl): New global variable.
1895 (struct function): Move some fileds to rtl_data.
1896 (get_arg_pointer_save_area): Update prototype.
1897 * builtins.c (expand_builtin_setjmp_receiver): Update call of
1898 get_arg_pointer_save_area.
1899 * expr.c (init_expr): Update
1900 * function.c (get_frame_size): Update
1901 (assign_stack_local): Update
1902 (expand_function_end): Update.
1903 (get_art_pointer_save_area): Update
1905 * emit-rtl.c (rtl): Declare.
1906 (regno_reg_rtx): Declare.
1907 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
1909 (gen_reg_rtx): Update.
1910 * varasm.c (n_deferred_constatns): Update accestor.
1911 (init_varasm_status): Do not allocate varasm_status.
1912 (force_const_mem, get_pool_size, output_constant_pool): Update.
1913 * stmt.c (force_label_rtx): Do not use x_ prefixes.
1914 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
1915 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Update.
1916 * sparc/sparc.h (INIT_EXPANDERS): Update.
1917 * ia64/ia64.h (INIT_EXPANDERS): Update.
1919 2008-04-07 James E. Wilson <wilson@tuliptree.org>
1921 * reload.c (push_secondary_reload): Add missing break to for loop.
1923 2008-04-07 Peter Bergner <bergner@vnet.ibm.com>
1925 PR middle-end/PR28690
1926 * rtlanal.c: Update copyright years.
1927 (commutative_operand_precedence): Give SYMBOL_REF's the same precedence
1928 as REG_POINTER and MEM_POINTER operands.
1929 * emit-rtl.c (gen_reg_rtx_and_attrs): New function.
1930 (set_reg_attrs_from_value): Call mark_reg_pointer as appropriate.
1931 * rtl.h (gen_reg_rtx_and_attrs): Add prototype for new function.
1932 * gcse.c: Update copyright years.
1933 (pre_delete): Call gen_reg_rtx_and_attrs.
1934 (hoist_code): Likewise.
1935 (build_store_vectors): Likewise.
1936 (delete_store): Likewise.
1937 * loop-invariant.c (move_invariant_reg): Likewise.
1938 Update copyright years.
1940 2008-04-07 Uros Bizjak <ubizjak@gmail.com>
1942 * config/i386/i386.md ("*sse_prologue_save_insn"): Use braced output
1943 control string instead of quoted.
1945 2008-04-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1947 * doc/rtl.texi: Rewrite of subreg section.
1949 2008-04-07 Kai Tietz <kai.tietz@onevision.com>
1952 * config/i386/i386.c (legitimize_pic_address): Add treating
1953 of dllimport SYM_REF's.
1954 (legitimize_dllimport_symbol): Add prototype.
1956 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1958 * fold-const.c (fold) <ARRAY_REF>: New case. Try to fold constant
1959 reference in constructor with non self-referential type.
1961 2008-04-07 Eric Botcazou <ebotcazou@adacore.com>
1963 Removal of Return with Depressed Stack Pointer support
1964 * tree.h (TYPE_RETURNS_STACK_DEPRESSED): Delete.
1965 (ECF_SP_DEPRESSED): Likewise.
1966 (ECF_LIBCALL_BLOCK, ECF_NOVOPS): Adjust.
1967 * calls.c (emit_call_1): Do not test ECF_SP_DEPRESSED.
1968 (flags_from_decl_or_type): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1969 (expand_call): Do not test ECF_SP_DEPRESSED.
1970 * dse.c (dse_step0): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1971 * function.c (keep_stack_depressed): Delete.
1972 (handle_epilogue_set): Likewise.
1973 (update_epilogue_consts): Likewise.
1974 (emit_equiv_load): Likewise.
1975 (thread_prologue_and_epilogue_insns): Remove support for Return with
1976 Depressed Stack Pointer.
1977 * print-tree.c (print_node): Do not test TYPE_RETURNS_STACK_DEPRESSED.
1979 2008-04-06 Richard Guenther <rguenther@suse.de>
1981 PR tree-optimization/35400
1982 * tree-vrp.c (vrp_evaluate_conditional): Only query value-range
1983 information from SSA_NAMEs.
1985 2008-04-06 Anatoly Sokolov <aesok@post.ru>
1987 * config/avr/avr.h (avr_mega_p): Remove declaration.
1988 (AVR_MEGA): Remove macro.
1989 * config/avr/avr.c (avr_mega_p): Remove variable.
1990 (avr_override_options): Remove inicializion of avr_mega_p.
1991 Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1992 (print_operand): Use AVR_HAVE_JMP_CALL instead of AVR_MEGA.
1993 (avr_jump_mode): (Ditto.).
1994 (avr_output_progmem_section_asm_op): (Ditto.).
1995 (avr_asm_init_sections): (Ditto.).
1996 (avr_asm_init_sections): (Ditto.).
1997 (avr_rtx_costs): (Ditto.).
1998 * config/avr/avr.md: (Ditto.).
1999 * config/avr/avr.h: Use '__AVR_HAVE_JMP_CALL__' instead of
2002 2008-04-06 Richard Guenther <rguenther@suse.de>
2004 PR tree-optimization/35842
2005 * tree-ssa-address.c (fixed_address_object_p): Adjust to match
2006 is_gimple_invariant_address.
2008 2008-04-06 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2010 * gcc.c (default_compilers): Sync Fortran extensions list with
2011 that in fortran/lang-specs.h.
2012 * doc/invoke.texi: Likewise.
2013 * dbxout.c (get_lang_number): Use "GNU Fortran" in "GNU F95".
2014 * dwarf2out.c (gen_compile_unit_die): Likewise.
2016 2008-04-06 Tom G. Christensen <tgc@jupiterrise.com>
2018 * gthr-posix95.h (__gthread_cond_wait_recursive): Add missing &.
2020 2008-04-05 Uros Bizjak <ubizjak@gmail.com>
2023 * config/i386/i386.c (ix86_function_regparm): Error if regparm(3)
2024 attribute is used for nested functions.
2026 2008-04-05 Jan Hubicka <jh@suse.cz>
2028 * emit-rtl.c (init_emit): xcalloc regno_pointer_align.
2030 * tree-dump.c (dump_enable_all): Remove prototype; do not accept
2032 (dump_files): Update.
2033 (enable_rtl_dump_file): Do not accept letter argument.
2034 * tree-pass.h (dump_file_info): Remove letter argument.
2035 * toplev.c (decode_d_option): Update -da handling.
2036 * toplev.h (enable_rtl_dump_file): Update prototype.
2037 * passes.c (register_one_dump_file): Do not accept IPA argument; work
2038 it out based on pass type.
2039 (register_dump_files_1): Likewise.
2040 (init_optimization_passes): Update register_one_dump_file calls.
2041 (execute_one_pass): Sanity check that IPA passes are called at IPA
2042 level and RTL passes at RTL level.
2043 (execute_pass_list): IPA pass can not be after or subpass of
2045 (execute_ipa_pass_list): Handle IPA subpasses of IPA subpasses and
2046 disallov RTL subpasses of IPA subpasses.
2048 2008-04-05 Ben Elliston <bje@au.ibm.com>
2050 * tree-cfg.c (need_fake_edge_p): Return false for calls to
2051 builtins that return exactly once and do not throw. Cache call to
2054 2008-04-04 Andy Hutchinson <hutchinsonandy@aim.com>
2056 PR rtl-optimization/34916
2058 * combine.c (create_log_links): Do not create duplicate LOG_LINKS
2059 between instruction pairs.
2061 2008-04-04 Naveen.H.S <naveen.hs@kpitcummins.com>
2063 * doc/invoke.texi: Document -mbitops for SH.
2064 * config/sh/constraints.md (K03, K12, Sbv, Sbw): New constraints.
2065 * config/sh/predicates.md (bitwise_memory_operand): New predicate.
2066 * config/sh/sh.c (print_operand): Add %t operand code.
2067 * config/sh/sh.h (GO_IF_LEGITIMATE_INDEX): Add condition for SH2A.
2068 * config/sh/sh.md (*iorsi3_compact): Fix condition for SH2A.
2069 (extendqisi2_compact): Add the alternative for SH2A 4-byte mov.b.
2070 (extendqihi2): Likewise.
2071 (movqi_i): Likewise.
2072 (insv): Use bset, bclr and bst instructions for SH2A if possible.
2073 (extv): Use bld instruction for SH2A if possible.
2075 (bclr_m2a, bclrmem_m2a, bset_m2a, bsetmem_m2a, bst_m2a, bld_m2a,
2076 bldsign_m2a, bld_reg, *bld_regqi, band_m2a, bandreg_m2a,
2077 bor_m2a, borreg_m2a, bxor_m2a, bxorreg_m2a): New insns.
2078 (bset.b, bclr.b): Define peepholes.
2079 * config/sh/sh.opt (mbitops): New option.
2081 2008-04-04 Janis Johnson <janis187@us.ibm.com>
2084 * config/rs6000/rs6000.c (rs6000_check_sdmode): Handle indirect ref
2085 and view convert expression.
2087 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2090 * tree-cfg.c (remove_useless_stmts_1): Handle OMP_* containers.
2092 2008-04-04 H.J. Lu <hongjiu.lu@intel.com>
2094 * config.gcc (extra_headers): Add wmmintrin.h for x86 and x86-64.
2096 * config/i386/cpuid.h (bit_AES): New.
2097 (bit_PCLMUL): Likewise.
2099 * config/i386/i386.c (pta_flags): Add PTA_AES and PTA_PCLMUL.
2100 (override_options): Handle PTA_AES and PTA_PCLMUL. Enable
2101 SSE2 if AES or PCLMUL is enabled.
2102 (ix86_builtins): Add IX86_BUILTIN_AESENC128,
2103 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2104 IX86_BUILTIN_AESDECLAST128, IX86_BUILTIN_AESIMC128,
2105 IX86_BUILTIN_AESKEYGENASSIST128 and IX86_BUILTIN_PCLMULQDQ128.
2106 (bdesc_sse_3arg): Add IX86_BUILTIN_PCLMULQDQ128.
2107 (bdesc_2arg): Add IX86_BUILTIN_AESENC128,
2108 IX86_BUILTIN_AESENCLAST128, IX86_BUILTIN_AESDEC128,
2109 IX86_BUILTIN_AESDECLAST128 and IX86_BUILTIN_AESKEYGENASSIST128.
2110 (bdesc_1arg): Add IX86_BUILTIN_AESIMC128.
2111 (ix86_init_mmx_sse_builtins): Define __builtin_ia32_aesenc128,
2112 __builtin_ia32_aesenclast128, __builtin_ia32_aesdec128,
2113 __builtin_ia32_aesdeclast128,__builtin_ia32_aesimc128,
2114 __builtin_ia32_aeskeygenassist128 and
2115 __builtin_ia32_pclmulqdq128.
2116 * config/i386/i386.c (ix86_expand_binop_imm_builtin): New.
2117 (ix86_expand_builtin): Use it for IX86_BUILTIN_PSLLDQI128 and
2118 IX86_BUILTIN_PSRLDQI128. Handle IX86_BUILTIN_AESKEYGENASSIST128.
2120 * config/i386/i386.h (TARGET_AES): New.
2121 (TARGET_PCLMUL): Likewise.
2122 (TARGET_CPU_CPP_BUILTINS): Handle TARGET_AES and TARGET_PCLMUL.
2124 * config/i386/i386.md (UNSPEC_AESENC): New.
2125 (UNSPEC_AESENCLAST): Likewise.
2126 (UNSPEC_AESDEC): Likewise.
2127 (UNSPEC_AESDECLAST): Likewise.
2128 (UNSPEC_AESIMC): Likewise.
2129 (UNSPEC_AESKEYGENASSIST): Likewise.
2130 (UNSPEC_PCLMUL): Likewise.
2132 * config/i386/i386.opt (maes): New.
2133 (mpclmul): Likewise.
2135 * config/i386/sse.md (aesenc): New pattern.
2136 (aesenclast): Likewise.
2138 (aesdeclast): Likewise.
2140 (aeskeygenassist): Likewise.
2141 (pclmulqdq): Likewise.
2143 * config/i386/wmmintrin.h: New.
2145 * doc/extend.texi: Document AES and PCLMUL built-in function.
2147 * doc/invoke.texi: Document -maes and -mpclmul.
2149 2008-04-04 Paolo Bonzini <bonzini@gnu.org>
2151 * function.c (free_after_parsing): Replace with
2152 cxx_push_function_context from C++ front-end.
2153 (allocate_struct_function): Don't call langhook.
2154 * langhooks.h (struct lang_hooks_for_functions): Delete.
2155 (struct lang_hooks): Add back missing_noreturn_ok_p here, delete
2157 * langhooks-def.h (LANG_HOOKS_MISSING_NORETURN_OK_P): Add.
2158 (LANG_HOOKS_FUNCTION_INIT, LANG_HOOKS_FUNCTION_FINAL,
2159 LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P,
2160 LANG_HOOKS_FUNCTION_INITIALIZER): Delete.
2161 (LANG_HOOKS_INITIALIZER): Add LANG_HOOKS_MISSING_NORETURN_OK_P,
2162 remove LANG_HOOKS_FUNCTION_INITIALIZER.
2163 * tree-cfg.c: Adjust call to missing_noreturn_ok_p langhook.
2165 * c-objc-common.h (LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P):
2166 Rename to LANG_HOOKS_MISSING_NORETURN_OK_P.
2168 2008-04-04 Jakub Jelinek <jakub@redhat.com>
2171 * c-pretty-print.c (pp_c_initializer_list): Handle CONSTRUCTOR
2174 2008-04-04 Richard Guenther <rguenther@suse.de>
2177 * fold-const.c (optimize_minmax_comparison): Use the correct
2178 type for the constant in the simplified comparison.
2180 2008-04-04 Zuxy Meng <zuxy.meng@gmail.com>
2182 * config/i386/driver-i386.c (describe_cache): Add l2_sizekb argument.
2183 Pass L2 size as "--param l2-cache-size" to the compiler.
2184 (decode_l2_cache): New function to decode L2 cache parameters using
2185 0x8000006 extended cpuid function.
2186 (detect_caches_amd): Determine parameters of L2 cache using
2187 decode_l2_caches function.
2188 (decode_caches_intel): Decode L2 cache parameters.
2189 (detect_caches_intel): Determine L2 cache parameters using
2190 decode_caches_intel and decode_l2_caches functions.
2192 2008-04-03 Bob Wilson <bob.wilson@acm.org>
2194 * config/xtensa/xtensa.c (xtensa_secondary_reload_class): Use a
2195 secondary input reload for subword loads from the constant pool.
2197 2008-04-03 Janis Johnson <janis187@us.ibm.com>
2200 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Use integer
2201 constants of the appropriate size for runtime calculations.
2204 * dfp.c (decimal_from_decnumber): Retain trailing zeroes for
2205 decimal-float literal constant zero.
2207 2008-04-03 Jakub Jelinek <jakub@redhat.com>
2210 * c-parser.c (c_parser_omp_atomic): Call
2211 default_function_array_conversion on the RHS.
2214 * omp-low.c (scan_sharing_clauses) <case OMP_CLAUSE_SHARED>: Don't
2215 call is_variable_sized if decl has incomplete type.
2217 2008-04-03 H.J. Lu <hongjiu.lu@intel.com>
2219 * config/i386/i386-protos.h (ix86_aligned_p): Removed.
2221 2008-04-03 Adam Nemet <anemet@caviumnetworks.com>
2223 * config/mips/mips.md (any_gt, any_ge, any_lt, any_le): New code
2225 (u): Add attribute values for gt, gtu, ge, geu, lt, ltu, le and leu.
2226 (sgt<u>): Merge sgt and sgtu into new expander.
2227 (sgt, sgtu): Remove expanders.
2228 (*sgt<u>_<mode>): Merge *sgt_<mode> and *sgtu_<mode> into new pattern.
2229 (*sgt_<mode>, *sgtu_<mode>): Remove patterns.
2230 (*sgt<u>_<mode>_mips16): Merge *sgt_<mode>_mips16 and
2231 *sgtu_<mode>_mips16 into new pattern.
2232 (*sgt_<mode>_mips16, *sgtu_<mode>_mips16): Remove patterns.
2233 (sge<u>): Merge sge and sgeu into new expander.
2234 (sge, sgeu): Remove expanders.
2235 (*sge<u>_<mode>): Merge *sge_<mode> and second *sge_<mode> into
2237 (*sge_<mode>, second *sge_<mode>): Remove patterns.
2238 (slt<u>): Merge slt and sltu into new expander.
2239 (slt, sltu): Remove expanders.
2240 (*slt<u>_<mode>): Merge *slt_<mode> and *sltu_<mode> into new pattern.
2241 (*slt_<mode>, *sltu_<mode>): Remove patterns.
2242 (*slt<u>_<mode>_mips16): Merge *slt_<mode>_mips16 and
2243 *sltu_<mode>_mips16 into new pattern.
2244 (*slt_<mode>_mips16, *sltu_<mode>_mips16): Remove patterns.
2245 (sle<u>): Merge sle and sleu into new expander.
2246 (sle, sleu): Remove expanders.
2247 (*sle<u>_<mode>): Merge *sle_<mode> and *sleu_<mode> into new pattern.
2248 (*sle_<mode>, *sleu_<mode>): Remove patterns.
2249 (*sle<u>_<mode>_mips16): Merge *sle_<mode>_mips16 and
2250 *sleu_<mode>_mips16 into new pattern.
2251 (*sle_<mode>_mips16, *sleu_<mode>_mips16): Remove patterns.
2253 2008-04-03 Jan Hubicka <jh@suse.cz>
2255 PR tree-optimization/35795
2256 * alpha/alpha.c (alpha_output_mi_thunk_osf): Free after compilation.
2257 * sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2258 * ia64/ia64.c (ia64_output_mi_thunk): Likewise.
2259 * m68k/m68k.c (m68k_output_mi_thunk): Likewise.
2260 * score/score3.c (score3_output_mi_thunk): Likewise.
2261 * score/score7.c (score7_output_mi_thunk): Likewise.
2262 * mips/mips.c (mips_output_mi_thunk): Likewise.
2264 2008-04-03 Richard Guenther <rguenther@suse.de>
2266 * tree-vrp.c (extract_range_from_unary_expr): Handle all
2267 conversions. Simplify code.
2269 2008-04-03 Kaz Kojima <kkojima@gcc.gnu.org>
2271 * config/sh/sh.c (sh_output_mi_thunk): Free cfun.
2273 2008-04-03 Tom Tromey <tromey@redhat.com>
2274 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2276 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
2277 * config/bfin/t-bfin-linux (generated_files): Add
2278 linux-sysroot-suffix.h.
2279 * doc/install.texi (Prerequisites): Require make 3.80.
2280 * doc/sourcebuild.texi (Front End Directory): Document new
2282 * Makefile.in (generated_files): New variable.
2283 (ALL_HOST_OBJS): New variable.
2284 ($(ALL_HOST_OBJS)): New target.
2286 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2288 * tree-inline.c (copy_generic_body, copy_decl_no_change): Export.
2289 (remap_block): Call id->transform_lang_insert_block instead
2291 (optimize_inline_calls, unsave_expr_now, tree_function_versioning):
2292 Set id.transform_lang_insert_block to NULL.
2293 (clone_body): Move to cp/optimize.c
2294 * tree-inline.h (struct copy_body_data): Change
2295 transform_lang_insert_block to function pointer.
2296 (copy_generic_body, copy_decl_no_change): Export.
2297 * langhooks.h (struct lang_hooks_for_decls): Kill insert_block.
2298 * langhooks-def.h (LANG_HOOKS_INSERT_BLOCK): Kill.
2299 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_INSERT_BLOCK.
2301 * c-tree.h (insert_block): Kill.
2302 * c-decl.c (insert_block): Kill.
2304 2008-04-03 Paolo Bonzini <bonzini@gnu.org>
2306 * c-objc-common.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2307 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2308 * c-tree.h (c_push_function_context, c_pop_function_context): Remove
2310 * c-decl.c (c_push_function_context, c_pop_function_context): Remove
2311 argument, call {push,pop}_function_context from here.
2312 * c-parser.c: Use c_{push,pop}_function_context.
2314 * function.c (push_function_context_to): Move meat ...
2315 (push_function_context): ... here. Simplify.
2316 * function.c (pop_function_context_from): Move meat ...
2317 (pop_function_context): ... here. Simplify.
2318 * langhooks.h (struct lang_hooks_for_functions): Remove enter_nested,
2320 * langhooks-def.h (LANG_HOOKS_FUNCTION_ENTER_NESTED,
2321 LANG_HOOKS_FUNCTION_LEAVE_NESTED): Delete.
2322 (LANG_HOOKS_FUNCTION_INITIALIZER): Delete them from here.
2323 * tree.h (push_function_context_to, pop_function_context_from): Remove.
2325 2008-04-03 Ben Elliston <bje@au.ibm.com>
2327 * expmed.c (extract_force_align_mem_bit_field): Remove.
2329 2008-04-03 Richard Guenther <rguenther@suse.de>
2332 * expr.h (try_casesi): Adjust prototype.
2333 * expr.c (try_casesi): Take fallback label as extra parameter.
2334 Use that for gen_casesi if default_label is NULL.
2335 * stmt.c (expand_case): Pass fallback label to try_casesi,
2336 make sure to fill gaps with a fallback label if default_label
2339 2008-04-03 Dominique d'Humieres <dominiq@lps.ens.fr>
2342 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Free cfun.
2344 2008-04-03 Ben Elliston <bje@au.ibm.com>
2346 * expmed.c (extract_split_bit_field): Remove if (0) code.
2347 * tree-ssa-structalias.c (do_sd_constraint): Likewise.
2348 (do_ds_constraint): Likewise.
2350 2008-04-02 Joseph Myers <joseph@codesourcery.com>
2352 * doc/cppopts.texi (-dU): Document.
2353 * c-common.h (flag_dump_macros): Update comment.
2354 * c-opts.c (handle_OPT_d): Handle -dU.
2355 * c-ppoutput.c (macro_queue, define_queue, undef_queue,
2356 dump_queued_macros, cb_used_define, cb_used_undef): New.
2357 (init_pp_output): Handle -dU.
2358 (cb_line_change): Call dump_queued_macros.
2359 * toplev.c (decode_d_option): Accept -dU as preprocessor option.
2361 2008-04-02 Anatoly Sokolov <aesok@post.ru>
2363 * config/avr/predicates.md (io_address_operand): New predicate.
2364 * config/avr/avr-protos.h (avr_io_address_p): Remove declaration.
2365 * config/avr/avr.c (avr_io_address_p): Remove function.
2366 (out_movqi_r_mr): Use 'io_address_operand' predicate instead of
2367 'avr_io_address_p' function.
2368 (out_movhi_r_mr): (Ditto.).
2369 (out_movqi_mr_r): (Ditto.).
2370 (out_movhi_mr_r): (Ditto.).
2371 (avr_address_cost): (Ditto.).
2373 2008-04-02 Uros Bizjak <ubizjak@gmail.com>
2375 * config/i386/i386.md (*float<SSEMODEI24:mode><X87MODEF:mode>2_1):
2376 Emit gen_floatdi<X87MODEF:mode>2_i387_with_xmm for DImode values
2377 in 32bit mode when XMM registers are available to avoid store
2379 (floatdi<X87MODEF:mode>2_i387_with_xmm): New insn pattern and
2380 corresponding post-reload splitters.
2382 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2384 * config/i386/i386.c (bdesc_sse_3arg): Add __builtin_ia32_shufps
2385 and __builtin_ia32_shufpd. Provide __builtin_ia32_roundsd and
2386 __builtin_ia32_roundss.
2387 (ix86_init_mmx_sse_builtins): Remove __builtin_ia32_shufps,
2388 __builtin_ia32_shufpd, __builtin_ia32_roundsd and
2389 __builtin_ia32_roundss.
2390 (ix86_expand_builtin): Don't handle IX86_BUILTIN_SHUFPS and
2391 IX86_BUILTIN_SHUFPD here.
2393 2008-04-02 H.J. Lu <hongjiu.lu@intel.com>
2395 * config/i386/i386.md (plogic): New.
2396 (plogicprefix): Likewise.
2398 * config/i386/mmx.md (mmx_<code><mode>3): New.
2399 (mmx_and<mode>3): Removed.
2400 (mmx_ior<mode>3): Likewise.
2401 (mmx_xor<mode>3): Likewise.
2403 * config/i386/sse.md (<code><mode>3): New.
2404 (*<code><mode>3): Likewise.
2405 (*<code><mode>3): Likewise.
2406 (<code><mode>3): Likewise.
2407 (*sse_<code><mode>3): Likewise.
2408 (*sse2_<code><mode>3): Likewise.
2409 (<code>tf3): Likewise.
2410 (*<code>tf3): Likewise.
2411 (and<mode>3): Likewise.
2412 (*and<mode>3): Likewise.
2413 (ior<mode>3): Removed.
2414 (*ior<mode>3): Likewise.
2415 (xor<mode>3): Likewise.
2416 (*xor<mode>3): Likewise.
2417 (*and<mode>3): Likewise.
2418 (*ior<mode>3): Likewise.
2419 (*xor<mode>3): Likewise.
2420 (and<mode>3): Likewise.
2421 (*sse_and<mode>3): Likewise.
2422 (*sse2_and<mode>3): Likewise.
2424 (*andtf3): Likewise.
2425 (ior<mode>3): Likewise.
2426 (*sse_ior<mode>3): Likewise.
2427 (*sse2_ior<mode>3): Likewise.
2429 (*iortf3): Likewise.
2430 (xor<mode>3): Likewise.
2431 (*sse_xor<mode>3): Likewise.
2432 (*sse2_xor<mode>3): Likewise.
2434 (*xortf3): Likewise.
2436 2008-04-02 Richard Guenther <rguenther@suse.de>
2438 PR tree-optimization/14495
2439 PR tree-optimization/34793
2440 * tree-vrp.c (struct switch_update): New structure.
2441 (to_remove_edges, to_update_switch_stmts): New VECs.
2442 (simplify_switch_using_ranges): New function. Remove not taken
2443 case labels and edges.
2444 (simplify_stmt_using_ranges): Call it.
2445 (identify_jump_threads): Mark edges we have queued for removal
2446 so we don't thread them.
2447 (execute_vrp): Remove edges queued for removal, update SWITCH_STMT
2449 * tree-cfg.c (group_case_labels): Deal with missing default label.
2450 (tree_verify_flow_info): Allow missing default label.
2451 * stmt.c (emit_case_bit_tests): Deal with NULL default_label.
2452 (emit_case_nodes): Likewise.
2453 (expand_case): Do not rely on the default label to be present.
2454 * expr.c (try_casesi): Deal with NULL default_label.
2455 (do_tablejump): Likewise.
2457 2008-04-02 Richard Guenther <rguenther@suse.de>
2459 PR tree-optimization/14495
2460 * tree-vrp.c (vrp_visit_cond_stmt): Do not handle
2461 SWITCH_EXPR here ...
2462 (vrp_visit_switch_stmt): ... but here (new function).
2463 (find_case_label_index): New helper function.
2464 (vrp_visit_stmt): Dispatch to vrp_visit_switch_stmt.
2466 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2468 * fwprop.c: Fix ISO-C99ism.
2470 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2473 * Makefile.in (objdir): Set it here.
2474 * configure.ac: Not here. Find dynamic linker characteristics.
2475 * exec-tool.in: Use them.
2476 * aclocal.m4: Regenerate.
2477 * configure: Regenerate.
2479 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2481 * expr.c (expand_var): Delete it.
2482 * expr.h (expand_var): Delete prototype.
2483 * function.c (expand_function_start): Use expand_decl instead.
2484 * cfgexpand.c (expand_one_static_var, expand_one_var): Don't call
2487 2008-04-02 Andy Hutchinson <hutchinsonamdy@aim.com>
2489 PR rtl-optimization/35542
2490 * fwprop.c (forward_propagate_and_simplify): Replace
2491 loc_reg_mentioned_in_p with reg_mentioned_p.
2493 2008-04-02 Paolo Bonzini <bonzini@gnu.org>
2495 PR rtl-optimization/35281
2496 * fwprop.c (PR_CAN_APPEAR, PR_HANDLE_MEM): New.
2497 (propagate_rtx_1): Handle PR_HANDLE_MEM.
2498 (propagate_rtx): Pass PR_HANDLE_MEM if appropriate.
2499 (varying_mem_p): Move above propagate_rtx.
2500 (all_uses_available_at): Do not check MEMs.
2502 2008-04-02 Rafael Espindola <espindola@google.com>
2504 * tree-vrp.c (extract_code_and_val_from_cond): Remove.
2505 (register_edge_assert_for_2): Split the cond argument.
2506 (register_edge_assert_for_1): Adjust for the change in
2507 register_edge_assert_for_2.
2508 (register_edge_assert_for): Split the cond argument.
2509 (find_switch_asserts): Adjust for the change in
2510 register_edge_assert_for.
2512 2008-04-02 Kai Tietz <kai.tietz@onevision.com>
2514 * config.gcc: Add for x86_64-*-mingw* the t-crtfm to tbuild.
2515 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add 8 byte
2516 offsets for 64-bit mingw.
2517 * config/i386/i386.c (ix86_pass_by_reference): Correct calling
2518 abi for x86_64-pc-mingw.
2520 2008-04-02 Richard Guenther <rguenther@suse.de>
2522 * tree-vrp.c (extract_range_from_assert): Make sure to not
2523 produce range min/max with TREE_OVERFOW set.
2524 If merging a anti-range and a range keep the anti-range if
2525 the range covers all values of the type.
2526 (register_edge_assert_for_2): Only allow sign-changing
2527 conversions in detecting canonical range checks. Also
2528 register an assert for the unsigned name if useful.
2530 PR tree-optimization/35787
2531 * tree-vrp.c (vrp_val_max): New function.
2532 (vrp_val_min): Likewise.
2533 (vrp_val_is_max): Move earlier, use vrp_val_{min,max}.
2534 (vrp_val_is_min): Likewise.
2535 (supports_overflow_infinity): Use vrp_val_{min,max}.
2536 (negative_overflow_infinity): Likewise.
2537 (positive_overflow_infinity): Likewise.
2538 (is_negative_overflow_infinity): Use vrp_val_is_{min,max}.
2539 (is_positive_overflow_infinity): Likewise.
2540 (is_overflow_infinity): Likewise.
2541 (avoid_overflow_infinity): Use vrp_val_{min,max} and
2542 vrp_val_is_{min,max}.
2543 (set_and_canonicalize_value_range): Canonicalize anti-ranges
2544 to ranges if possible. Avoid empty ranges.
2546 2008-04-01 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2549 * fold-const.c (get_pointer_modulus_and_residue): Return modulus 1 if
2550 the expression is a function address.
2552 2008-04-01 George Helffrich <george@gcc.gnu.org>
2554 PR fortran/35154, fortran/23057
2555 * dbxout.c: Emit .stabs debug info for Fortran COMMON block
2556 variables as base symbol name + offset using N_BCOMM/N_ECOMM.
2557 (is_fortran, dbxout_common_name, dbxout_common_check): New functions.
2558 (dbxout_symbol_location): Transform N_LCSYM to N_GSYM for storage
2560 (dbxout_syms): Check for COMMON-based symbol and wrap in
2561 N_BCOMM/N_ECOMM stab bracket, including as many symbols as possible
2562 in bracket for efficiency.
2564 * dwarf2out.c: Emit DWARF debug info for Fortran COMMON block
2565 using DW_TAG_common_block + member offset.
2566 (add_pubname_string): New function.
2567 (dw_expand_expr): New function to find block name and offset for
2569 (common_check): New function to check whether symbol in Fortran COMMON.
2570 (gen_variable_die): If COMMON, use DW_TAG_common_block.
2572 2008-04-01 Volker Reichelt <v.reichelt@netcologne.de>
2575 * c-format.c (init_dynamic_gfc_info): Ignore invalid locus type.
2577 2008-04-02 Ben Elliston <bje@au.ibm.com>
2579 * config/v850/v850.md (casesi): Remove if (0) code.
2580 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
2581 * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
2583 2008-04-01 Uros Bizjak <ubizjak@gmail.com>
2585 * config/i386/i386.md (rex64suffix): New mode attribute.
2586 (floathi<mode>2): Disable expander for SSE math.
2587 (*floathi<mode>2_1): New insn insn_and_split pattern.
2588 (*floathi<mode>2_i387_with_temp): New macroized instruction pattern and
2589 corresponding post-reload splitters.
2590 (*floathi<mode>2_i387): New macroized insn pattern.
2591 (float<SSEMODEI24:mode><X87MODEF:mode>2): New macroized expander.
2592 (*float<SSEMODEI24:mode><X87MODEF:mode>2_1): New macroized
2593 insn_and_split pattern.
2594 (*floatsi<mode>2_vector_mixed_with_temp, *floatsi<mode>2_vector_mixed):
2595 New macroized instruction patterns and corresponding post-reload
2597 (*floatsi<mode>2_mixed_with_temp): New macroized instruction pattern
2598 and corresponding post-reload splitters.
2599 (*floatsi<mode>2_mixed_interunit, *floatsi<mode>2_mixed_nointerunit):
2600 New macroized instruction patterns.
2601 (*floatsi<mode>2_vector_sse_with_temp, *floatsi<mode>2_vector_sse): New
2602 macroized instruction patterns and corresponding post-reload splitters.
2603 (*floatsi<mode>2_sse_with_temp): New macroized instruction pattern and
2604 corresponding post-reload splitters.
2605 (*floatsi<mode>2_sse_interunit, *floatsi<mode>2_mixed_nointerunit):
2606 New macroized instruction patterns.
2607 (*floatsi<mode>2_i387_with_temp): New macroized instruction pattern and
2608 corresponding post-reload splitters.
2609 (*floatsi<mode>2_i387): New macroized instruction patterns.
2611 2008-04-01 H.J. Lu <hongjiu.lu@intel.com>
2613 * config/i386/i386.md (smaxmin): New.
2614 (umaxmin): Likewise.
2615 (maxminiprefix): Likewise.
2616 (maxminfprefix): Likewise.
2617 (<code><mode>3): Likewise.
2618 (smin<mode>3): Removed.
2619 (smax<mode>3): Likewise.
2621 * config/i386/mmx.md (mmx_<code>v2sf3): New.
2622 (mmx_<code>v4hi3): Likewise.
2623 (mmx_<code>v8qi3): Likewise.
2624 (mmx_smaxv2sf3): Removed.
2625 (mmx_sminv2sf3): Likewise.
2626 (mmx_umaxv8qi3): Likewise.
2627 (mmx_smaxv4hi3): Likewise.
2628 (mmx_uminv8qi3): Likewise.
2629 (mmx_sminv4hi3): Likewise.
2631 * config/i386/sse.md (<addsub><mode>3): New.
2632 (*<addsub><mode>3): Likewise.
2633 (<sse>_vm<addsub><mode>3): Likewise.
2634 (<maxmin><mode>3): Likewise.
2635 (*<maxmin><mode>3_finite): Likewise.
2636 (*<maxmin><mode>3): Likewise.
2637 (<sse>_vm<maxmin><mode>3): Likewise.
2638 (sse3_h<addsub>v4sf3): Likewise.
2639 (sse3_h<addsub>v2df3): Likewise.
2640 (<maxmin>v16qi3): Likewise.
2641 (*<maxmin>v16qi3): Likewise.
2642 (<maxmin>v8hi3): Likewise.
2643 (*<maxmin>v8hi3): Likewise.
2644 (*sse4_1_<maxmin><mode>3): Likewise.
2645 (*sse4_1_<maxmin><mode>3): Likewise.
2646 (add<mode>3): Removed.
2647 (*add<mode>3): Likewise.
2648 (<sse>_vmadd<mode>3): Likewise.
2649 (sub<mode>3): Likewise.
2650 (*sub<mode>3): Likewise.
2651 (<sse>_vmsub<mode>3): Likewise.
2652 (smin<mode>3): Likewise.
2653 (*smin<mode>3_finite): Likewise.
2654 (*smin<mode>3): Likewise.
2655 (<sse>_vmsmin<mode>3): Likewise.
2656 (smax<mode>3): Likewise.
2657 (*smax<mode>3_finite): Likewise.
2658 (*smax<mode>3): Likewise.
2659 (<sse>_vmsmax<mode>3): Likewise.
2660 (sse3_haddv4sf3): Likewise.
2661 (sse3_haddv2df3): Likewise.
2662 (sse3_hsubv4sf3): Likewise.
2663 (sse3_hsubv2df3): Likewise.
2664 (umaxv16qi3): Likewise.
2665 (*umaxv16qi3): Likewise.
2666 (smaxv8hi3): Likewise.
2667 (*smaxv8hi3): Likewise.
2668 (*sse4_1_smax<mode>3): Likewise.
2669 (*sse4_1_umax<mode>3): Likewise.
2670 (uminv16qi3): Likewise.
2671 (*uminv16qi3): Likewise.
2672 (sminv8hi3): Likewise.
2673 (*sminv8hi3): Likewise.
2674 (*sse4_1_smin<mode>3): Likewise.
2675 (*sse4_1_umin<mode>3): Likewise.
2677 2008-04-01 Rafael Espindola <espindola@google.com>
2679 * tree-cfg.c (verify_expr): remove in_phi.
2680 (verify_stmt): Don't call walk_tree with verify_expr. Use
2681 is_gimple_min_invariant instead of is_gimple_val.
2683 2008-04-01 Joseph Myers <joseph@codesourcery.com>
2685 * doc/include/gpl_v3.texi: Update for manpage generation.
2686 * doc/gcc.texi, doc/gccint.texi: Include gpl_v3.texi instead of
2688 * doc/sourcebuild.texi: Document gpl_v3.texi as well as gpl.texi.
2689 * Makefile.in (TEXI_GCC_FILES, TEXI_GCCINT_FILES): Include
2690 gpl_v3.texi instead of gpl.texi.
2693 2008-04-01 Jakub Jelinek <jakub@redhat.com>
2696 * c-pch.c (c_common_read_pch): On error close (fd) resp. fclose (f).
2698 2008-04-01 Rafael Espindola <espindola@google.com>
2700 * tree-vrp.c (extract_code_and_val_from_cond_with_ops): New.
2701 (extract_code_and_val_from_cond): Use
2702 extract_code_and_val_from_cond_with_ops.
2704 2008-04-01 Jan Hubicka <jh@suse.cz>
2706 * function.c (free_after_compilation): Free epilogue_delay_list.
2707 (prepare_function_start): Assert that previous compilation was freed.
2709 2008-04-01 Jan Hubicka <jh@suse.cz>
2710 Jim Wilson <wilson@tuliptree.org>
2711 Andreas Tobler <andreast@gcc.gnu.org>
2714 * m32c/m32.c (m32c_leaf_function_p, m32c_function_needs_enter): Use
2715 rtl.emit instead cfun->emit.
2716 * sparc/sparc.h (INIT_EXPANDERS): Likewise.
2717 * ia64/ia64.h (INIT_EXPANDERS): Likewise.
2719 2008-04-01 Ben Elliston <bje@au.ibm.com>
2721 * doc/c-tree.texi (Function Basics): Fix grammatical error.
2723 2008-03-31 Seongbae Park <seongbae.park@gmail.com>
2725 * common.opt (fprofile-dir=, fprofile-use=, fprofile-generate=):
2727 (fprofile-use): Add var flag_profile_use
2728 * coverage.c (coverage_begin_output): Do not open a gcno file for
2729 output only if -ftest-coverage is set.
2730 Do not add getpwd() to gcda file path.
2731 (build_gcov_info): Check the new flag
2732 flag_profile_datafile_relative_path.
2733 (coverage_init): Use profile_data_prefix.
2734 Read profile counter only if flag_profile_use is set.
2735 * opts.c (common_handle_option): New option fprofile-use=,
2736 fprofile-dir=, fprofile-generate=.
2737 * toplev.c (profile_data_prefix): New variable definition.
2738 * toplev.h (profile_data_prefix): New declaration.
2739 * doc/invoke.tex (Option Summary, Optimization Options):
2742 2008-03-31 James E. Wilson <wilson@tuliptree.org>
2744 * varasm.c (output_constant_pool_1): In LABEL_REF check,
2745 use tmp consistently.
2748 * config/ia64/div.md (recip_approx_rf): Use UNSPEC not DIV.
2749 * config/ia64/ia64.c (rtx_needs_barrier): Handle
2750 UNSPEC_FR_RECIP_APPROX_RES.
2751 * config/ia64/ia64.md (UNSPEC_FR_RECIP_APPROX_RES): Define.
2753 2008-03-31 Volker Reichelt <v.reichelt@netcologne.de>
2756 * c-decl.c (store_parm_decls_oldstyle): Skip invalid parameters.
2758 2008-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
2761 * fold-const.c (fold_indirect_ref_1): Support accessing non first
2762 element of the vector via a pointer.
2764 2008-03-31 Ian Lance Taylor <iant@google.com>
2766 * tlink.c (scan_linker_output): Look for symbol name in single quotes.
2768 2008-03-31 Jan Hubicka <jh@suse.cz>
2770 * builtins.c (expand_builtin_setjmp_receiver): Update call of
2771 get_arg_pointer_save_area.
2772 * expr.c (init_expr): Just clear out rtl.expr.
2773 * function.c (free_after_compilation): Clear out whole RTL structure.
2774 (get_func_frame_size): Merge into ...
2775 (get_frame_size): ... this one.
2776 (assign_stack_local_1): Merge into ...
2777 (assign_stack_local): ... this one.
2778 (expand_function_end): Update call of get_arg_pointer_save_area.
2779 (get_art_pointer_save_area): Remove cfun argument.
2780 * function.h (emit_status): regno_pointer_align does not need length
2781 attribute. Move x_regno_reg_rtx to ...
2782 (regno_reg_rtx): ... new global array.
2783 (reg_rtx_no, seq_stack, REGNO_POINTER_ALIGN): Update accestors.
2784 (pending_stack_adjust, inhibit_defer_pop, saveregs_value,
2785 apply_args_value, forced_labels, stack_pointer_delta):
2787 (struct varasm_status): Move here from varasm.c
2788 (struct rtl_data): New. Move here some fields from struct function.
2789 (return_label, naked_return_label, stack_slot_list, parm_birth_insn,
2790 frame_offset, stack_check_probe_note, arg_pointer_save_area,
2791 used_temp_slots avail_temp_slots, temp_slot_level,
2792 nonlocal_goto_handler_labels): Update accesstors.
2793 (rtl): New global variable.
2794 (struct function): Move some fileds to rtl_data.
2795 (get_arg_pointer_save_area): Update prototype.
2796 * emit-rtl.c (rtl): Declare.
2797 (regno_reg_rtx): Declare.
2798 (first_insn, last_insn, cur_insn_uid, last_location, first_label_num):
2800 (gen_reg_rtx): Update.
2801 (init_virtual_regs): Do not tate emit_status argument.
2802 (init_emit): Do not allocate emit.
2803 * varasm.c (varasm_statuc): Move to function.h.
2804 (n_deferred_constatns): Update accestor.
2805 (init_varasm_status): Do not allocate varasm_status.
2806 (force_const_mem, get_pool_size, output_constant_pool): Update.
2807 * stmt.c (force_label_rtx): Do not use x_ prefixes.
2808 (expand_nl_goto_receiver): Update get_arg_pointer_save_area.
2810 2008-03-31 Zdenek Dvorak <ook@ucw.cz>
2812 PR rtl-optimization/35729
2813 * loop-invariant.c (check_maybe_invariant): Disallow volatile memory
2816 2008-03-31 H.J. Lu <hongjiu.lu@intel.com>
2819 * config/i386/i386.md (*movti_internal): Emit unaligned SSE
2820 load/store if memory is unaligned.
2821 (*movti_rex64): Likewise.
2823 * config/i386/predicates.md (misaligned_operand): New.
2825 2008-03-31 Andrew Pinski <pinskia@gmail.com>
2828 * tree-ssa-phiopt.c (conditional_replacement): Return early for
2831 2008-03-31 Jan Beulich <jbeulich@novell.com>
2833 * config/ia64/constraints.md: Add 'j' constraint.
2834 * config/ia64/ia64.md (movsi_internal): Add addp4 case.
2835 (movdi_internal): Likewise.
2837 2008-03-30 Volker Reichelt <v.reichelt@netcologne.de>
2840 * c-typeck.c (build_c_cast): Skip invalid fields in unions.
2842 2008-03-30 H.J. Lu <hongjiu.lu@intel.com>
2845 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Issue
2846 proper error message for the third argument on blendpd and
2849 * config/i386/sse.md (blendbits): New.
2850 (sse4_1_blendp<ssemodesuffixf2c>): Use it.
2852 2008-03-30 Eric Botcazou <ebotcazou@adacore.com>
2854 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Add missing conversions.
2856 2008-03-30 Richard Guenther <rguenther@suse.de>
2859 * fold-const.c (fold_sign_changed_comparison): Do leave
2860 conversions to base-types alone.
2862 2008-03-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2864 * config/rs6000/rs6000.c (rs6000_stack_info): Don't force saving of
2865 the link register if one altivec register is be saved.
2867 2008-03-30 Ben Elliston <bje@au.ibm.com>
2869 * final.c (final_scan_insn): Remove if (0) code.
2871 2008-03-28 Volker Reichelt <v.reichelt@netcologne.de>
2873 * c-parser.c (c_parser_next_token_is_keyword): Simplify.
2875 2008-03-28 H.J. Lu <hongjiu.lu@intel.com>
2877 * config/i386/sse.md (*and<mode>3): Pass <MODE>mode instead
2878 of V4SFmode to ix86_binary_operator_ok.
2880 2008-03-28 Uros Bizjak <ubizjak@gmail.com>
2882 * config/i386/i386.c (override_options): Initialize
2883 ix86_veclib_handler to ix86_veclibabi_svml when
2884 -mveclibabi=svml is used.
2885 (ix86_veclibabi_svml): New function for SVML ABI style
2886 vectorization support.
2887 * doc/invoke.texi (-mveclibabi) [svml]: Document new target option.
2889 2008-03-28 Rafael Espindola <espindola@google.com>
2891 * fold-const.c (tree_unary_nonnegative_warnv_p): Make it public.
2892 (tree_binary_nonnegative_warnv_p): Make it public.
2893 (tree_single_nonnegative_warnv_p): Make it public.
2894 (tree_invalid_nonnegative_warnv_p): Make it public.
2895 (tree_unary_nonzero_warnv_p): Make it public.
2896 (tree_binary_nonzero_warnv_p): Make it public
2897 (tree_single_nonzero_warnv_p): Make it public.
2898 * tree-vrp.c (vrp_evaluate_conditional_warnv_with_ops): New function.
2899 (extract_range_from_binary_expr): Split the expr argument.
2900 (extract_range_from_unary_expr): Split the expr argument.
2901 (extract_range_from_comparison): Split the expr argument.
2902 (extract_range_from_expr): Use the new aux functions.
2903 (vrp_evaluate_conditional_warnv): Use
2904 vrp_evaluate_conditional_warnv_with_ops.
2905 * tree.h (tree_unary_nonzero_warnv_p): Declare.
2906 (tree_binary_nonzero_warnv_p): Declare.
2907 (tree_single_nonzero_warnv_p): Declare.
2908 (tree_expr_nonzero_warnv_p): Declare.
2909 (tree_unary_nonnegative_warnv_p): Declare.
2910 (tree_binary_nonnegative_warnv_p): Declare.
2911 (tree_single_nonnegative_warnv_p): Declare.
2912 (tree_invalid_nonnegative_warnv_p): Declare.
2914 2008-03-28 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/30317
2917 PR tree-optimization/30911
2918 PR tree-optimization/34793
2919 * tree-vrp.c (set_and_canonicalize_value_range): New function.
2920 (struct assert_locus_d): New member EXPR.
2921 (register_new_assert_for): Add EXPR parameter to support
2922 ASSERT_EXPR <name, expr OP limit>.
2923 (register_edge_assert_for_1): Adjust callers.
2924 (find_assert_locations): Likewise.
2925 (process_assert_insertions_for): Build condition from expression.
2926 (extract_range_from_assert): Handle ASSERT_EXPRs
2927 of the form ASSERT_EXPR <name, expr OP limit>.
2928 (register_edge_assert_for_2): New helper registering
2929 asserts for comparisons. Recognize range tests of the form
2930 (unsigned)i - CST1 OP CST2.
2931 (register_edge_assert_for_1): Use it.
2932 (register_edge_assert_for): Likewise.
2933 (needs_overflow_infinity): Integer sub-types
2934 do not need overflow infinities.
2935 (vrp_val_is_max): The extreme values of integer sub-types
2936 are those of the base type.
2937 (vrp_val_is_min): Likewise.
2938 * tree.def (ASSERT_EXPR): Document extra allowed conditional
2941 2008-03-28 Nick Clifton <nickc@redhat.com>
2944 * config/mn10300/mn10300.c (mn10300_secondary_reload_class):
2945 Return GENERAL_REGS for stack adjustment reloads.
2947 2008-03-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2950 * config/rs6000/rs6000.c (rs6000_expand_vector_init): Create a
2951 const_vector when all the vectors are constant.
2953 2008-03-27 Bob Wilson <bob.wilson@acm.org>
2955 * config/xtensa/xtensa.c (gen_float_relational): Handle unordered
2957 * config/xtensa/xtensa.md (any_cond): Add unordered comparisons.
2958 (any_scc_sf): Add uneq, unlt, unle and unordered operators.
2960 (s<code>_sf): Use new scc_sf attribute for opcode names.
2962 2008-03-27 Tom Tromey <tromey@redhat.com>
2964 * doc/sourcebuild.texi, doc/install.texi, configure, aclocal.m4,
2965 configure.ac, Makefile.in, config/t-darwin, config/m32c/t-m32c,
2966 config/spu/t-spu-elf, config/i386/t-interix,
2967 config/i386/t-cygming, config/i386/x-i386, config/i386/t-cygwin,
2968 config/i386/x-darwin, config/i386/x-mingw32,
2969 config/i386/t-netware, config/i386/x-cygwin, config/i386/t-nwld,
2970 config/sh/t-sh, config/sh/t-symbian, config/x-linux,
2971 config/t-sol2, config/x-hpux, config/x-darwin, config/ia64/t-ia64,
2972 config/x-solaris, config/t-vxworks, config/m68k/t-uclinux,
2973 config/rs6000/x-rs6000, config/rs6000/x-darwin64,
2974 config/rs6000/x-darwin, config/rs6000/t-rs6000,
2975 config/score/t-score-elf, config/arm/t-strongarm-pe,
2976 config/arm/t-pe, config/arm/t-arm, config/arm/t-wince-pe,
2977 config/v850/t-v850, config/v850/t-v850e, config/bfin/t-bfin-linux:
2978 Revert automatic dependency patch.
2980 2008-03-27 H.J. Lu <hongjiu.lu@intel.com>
2983 * config/i386/i386.c (ix86_function_arg_boundary): Align
2984 decimal floating point to its natural boundary.
2986 2008-03-27 Richard Guenther <rguenther@suse.de>
2989 * fold-const.c (fold_comparison): Restrict distinct decl
2990 comparison folding to VAR_DECLs and PARM_DECLs. Do not
2991 solely rely on operand_equal_p.
2993 2008-03-27 Richard Guenther <rguenther@suse.de>
2996 * c-common.c (handle_weak_attribute): Reject combination of
2999 2008-03-27 Richard Guenther <rguenther@suse.de>
3001 PR tree-optimization/32810
3002 * tree-ssa-ccp.c (get_symbol_constant_value): Strip useless
3003 conversions from DECL_INITIAL.
3004 (fold_const_aggregate_ref): Likewise from constructor elements.
3006 2008-03-27 Zdenek Dvorak <ook@ucw.cz>
3008 * tree-affine.h (aff_combination_expand): Declare.
3009 (get_inner_reference_aff): Likewise.
3010 * tree-affine.c (aff_combination_expand): Split out from
3011 tree_to_aff_combination_expand.
3012 (get_inner_reference_aff): New function.
3013 * tree-parloops.c (loop_parallel_p): Free vectorizer info.
3014 * tree-ssa-loop-im.c: Include tree-affine.h and pointer-set.h.
3015 (struct lim_aux_data): sm_done field removed.
3016 (mem_ref_loc_p, mem_ref_locs_p): New types.
3017 (struct mem_ref): Added id, stored, accesses_in_loop,
3018 indep_loop, dep_loop, indep_ref, dep_ref fields.
3019 Removed is_stored, locs and next fields.
3020 (memory_accesses): New variable.
3021 (movement_possibility): Do not allow moving statements
3022 that store to memory.
3023 (outermost_indep_loop, simple_mem_ref_in_stmt, mem_ref_in_stmt):
3025 (determine_max_movement): For statements with memory references,
3026 find the outermost loop in that the reference is independent.
3027 (move_computations_stmt): Mark the virtual operands for renaming.
3028 (memref_free, mem_ref_alloc, mem_ref_locs_alloc, mark_ref_stored,
3029 gather_mem_refs_stmt, gather_mem_refs_in_loops, vtoe_hash, vtoe_eq,
3030 vtoe_free, record_vop_access, get_vop_accesses, get_vop_stores,
3031 add_vop_ref_mapping, create_vop_ref_mapping_loop,
3032 create_vop_ref_mapping, analyze_memory_references,
3033 cannot_overlap_p, mem_refs_may_alias_p, rewrite_mem_ref_loc,
3034 get_all_locs_in_loop, ref_always_accessed_p,
3035 refs_independent_p, record_indep_loop, ref_indep_loop_p_1,
3036 ref_indep_loop_p, can_sm_ref_p, find_refs_for_sm,
3037 store_motion_loop, store_motion): New functions.
3038 (struct vop_to_refs_elt): New type.
3039 (record_mem_ref_loc, free_mem_ref_locs, rewrite_mem_refs,
3040 memref_hash, memref_eq, hoist_memory_references): Rewritten.
3041 (schedule_sm): Replaced by...
3042 (execute_sm): ... this.
3043 (determine_lsm_ref, hoist_memory_references,
3044 loop_suitable_for_sm, gather_mem_refs_stmt, gather_mem_refs,
3045 find_more_ref_vops, free_mem_ref, free_mem_refs,
3046 determine_lsm_loop, determine_lsm): Removed.
3047 (tree_ssa_lim_finalize): Free data structures used by store motion.
3048 (tree_ssa_lim): Call analyze_memory_references. Use
3049 store_motion instead of determine_lsm.
3051 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3053 * config.cc (m68hc11, m6811, m68hc12, m6812): Add usegas.h,
3054 rename tmake_file to m68hc11/t-m68hc11.
3055 (mcore): Set inhibit_libc to true.
3056 * config.host (alpha*-dec-*vms*): Set extra_programs.
3057 (interix3*): Don't use host_xmake_file.
3058 * configure.ac: Let config.gcc override inhibit_libc.
3059 * configure: Regenerate.
3061 * config/alpha/x-vms (EXTRA_PROGRAMS): Remove.
3062 * config/t-openbsd-thread: Remove commented out lines.
3064 * config/x-interix: Remove.
3066 * config/m68hc11/t-m68hc11-gas: Rename to...
3067 * config/m68hc11/t-m68hc11: ... this. Remove T_CPPFLAGS.
3069 * config/mcore/t-mcore: Remove T_CFLAGS.
3070 * config/mcore/t-mcore-pe: Likewise.
3072 2008-03-27 Paolo Bonzini <bonzini@gnu.org>
3074 * configure.ac: Replace custom __GNU_SOURCE test with
3075 AC_USE_SYSTEM_EXTENSIONS. Move it earlier.
3076 * aclocal.m4: Regenerate.
3077 * configure: Regenerate.
3078 * config.in: Regenerate.
3080 2008-03-27 Richard Guenther <rguenther@suse.de>
3082 * fold-const.c (target.h): Include.
3083 (fold_comparison): Fold comparison of addresses of decls
3084 that bind locally or of constants. Consolidate address folding code.
3085 * tree-vrp.c (operand_less_p): Deal with non-INTEGER_CST
3086 results from fold_binary_to_constant.
3087 (compare_values_warnv): Likewise.
3089 2008-03-27 Andrew Pinski <pinskia@gmail.com>
3092 * fold-const.c (fold_truthop): Check for integeral types when folding
3093 a == 0 && b == 0 and a != 0 || b != 0 .
3095 2008-03-26 Eric Botcazou <ebotcazou@adacore.com>
3097 * tree.c (get_unwidened): Remove code fiddling with COMPONENT_REF.
3099 2008-03-26 Andreas Schwab <schwab@suse.de>
3101 * doc/invoke.texi: Fix use of @item vs. @itemx.
3103 2008-03-26 Tom Tromey <tromey@redhat.com>
3105 * Makefile.in (build/gensupport.o, build/print-rtl.o,
3106 build/read-rtl.o, build/rtl.o, build/gencondmd.o, build/genattr.o,
3107 build/genattrtab.o, build/genautomata.o, build/gencheck.o,
3108 build/gencodes.o, build/genconditions.o, build/genconfig.o,
3109 build/genconstants.o, build/genemit.o, build/genextract.o,
3110 build/genflags.o, build/genmddeps.o, build/genopinit.o,
3111 build/genoutput.o, build/genpeep.o, build/genrecog.o): Depend on
3114 2008-03-26 Richard Guenther <rguenther@suse.de>
3117 2008-03-26 Richard Guenther <rguenther@suse.de>
3119 * fold-const.c (target.h): Include.
3120 (fold_comparison): Fold comparison of addresses of two decls
3121 that bind locally. Consolidate address folding code.
3123 2008-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3125 * builtins.c (expand_builtin_pow, fold_builtin_cabs,
3126 fold_builtin_sqrt, fold_builtin_cbrt, fold_builtin_logarithm,
3127 fold_builtin_hypot, fold_builtin_pow): Remove uses of dconst3,
3128 dconstsqrt2, dconstthird, dconste and/or dconst10.
3129 * config/i386/i386.c (ix86_emit_swsqrtsf): Likewise.
3130 * emit-rtl.c (dconst3, dconst10, dconstm2, dconstthird,
3131 dconstsqrt2, dconste): Delete.
3132 (init_emit_once): Likewise. Simplify initializing dconstm1.
3134 * real.c (get_real_const): New.
3135 * real.h (dconst3, dconst10, dconstm2, dconstthird,
3136 dconstsqrt2, dconste): Delete.
3137 (real_value_const, get_real_const): New.
3139 2008-03-26 H.J. Lu <hongjiu.lu@intel.com>
3141 * config/i386/cygming.h (BIGGEST_ALIGNMENT): Removed.
3143 * config/i386/i386.c (ix86_function_arg_boundary): Check
3144 BIGGEST_ALIGNMENT instead of 128.
3145 (setup_incoming_varargs_64): Likewise.
3147 2008-03-26 Tom Tromey <tromey@redhat.com>
3149 * Makefile.in (DEPFILES): Add missing '/'.
3151 2008-03-26 Richard Guenther <rguenther@suse.de>
3153 * fold-const.c (target.h): Include.
3154 (fold_comparison): Fold comparison of addresses of two decls
3155 that bind locally. Consolidate address folding code.
3157 2008-03-26 Nick Clifton <nickc@redhat.com>
3160 * config/stormy16/stormy16.c (xstormy16_legitimate_address_p): Do
3161 not allow INT+INT as a legitimate addressing mode.
3163 2008-03-26 Richard Guenther <rguenther@suse.de>
3165 * tree-flow.h (widen_bitfield): Remove declaration.
3166 * tree-ssa-ccp.c (visit_assignment): Remove unneeded code.
3167 (widen_bitfield): Remove function.
3168 * tree-ssa-dom.c (record_equivalences_from_stmt): Remove unneeded
3171 2008-03-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
3174 * config/rs6000/rs6000-c.c (rs6000_builtin_type_compatible): Handle
3177 2008-03-25 Richard Sandiford <rsandifo@nildram.co.uk>
3179 PR rtl-optimization/35232
3180 * reload1.c (reg_reloaded_call_part_clobbered): Clarify comment.
3181 (forget_old_reloads_1, forget_marked_reloads): Don't clear
3182 reg_reloaded_call_part_clobbered here.
3183 (reload_regs_reach_end_p): New function.
3184 (reload_reg_rtx_for_input): New variable.
3185 (reload_reg_rtx_for_output): Likewise.
3186 (emit_input_reload_insns): Use reloadreg rather than rl->reg_rtx
3187 when reassigning a pseudo register. Load reloadreg from
3188 reload_reg_rtx_for_input, moving the mode and register
3190 (do_input_reload): ...here. Use the mode-adjusted reg_rtx
3191 instead of the original when deciding whether an input reload
3192 would be a no-op or whether an output reload can be deleted.
3193 (emit_output_reload_insns): Use the mode-adjusted reg_rtx
3194 when setting up new_spill_reg_store. Load it from
3195 reload_reg_rtx_for_output, moving the mode and register
3197 (do_output_reload): ...here. Use the mode-adjusted reg_rtx
3198 instead of the original when deciding whether an output reload
3199 would be a no-op. Do the same when modifying insn notes.
3200 Use rtx_equal_p instead of == to compare the registers.
3201 (inherit_piecemeal_p): Take a mode and two register numbers
3203 (emit_reload_insns): Clear new_spill_reg_store for every hard
3204 register in the reload register. Remove spill registers
3205 from reg_reloaded_valid before considering whether to record
3206 inheritance information for them. Use reload_reg_rtx_for_output
3207 instead of reg_rtx when recording output reloads. Use
3208 reload_reg_rtx_for_input instead of reg_rtx when recording
3209 input reloads. Set or clear reg_reloaded_call_part_clobbered
3210 at the same time as setting reg_reloaded_valid.
3211 (delete_output_reload): Add a new_reload_reg parameter and use it
3212 instead of rld[j].reg_rtx.
3213 (emit_input_reload_insns, do_input_reload, do_output_reload): Adjust
3216 2008-03-25 Tom Tromey <tromey@redhat.com>
3218 * Makefile.in (build/gensupport.o): Depend on insn-modes.h.
3219 (build/genattr.o): Likewise.
3220 (build/genattrtab.o): Likewise.
3221 (build/gencodes.o): Likewise.
3222 (build/genconfig.o): Likewise.
3223 (build/genconstants.o): Likewise.
3224 (build/genemit.o): Likewise.
3225 (build/genextract.o): Likewise.
3226 (build/genflags.o): Likewise.
3228 2008-03-25 Bob Wilson <bob.wilson@acm.org>
3230 * config/xtensa/xtensa.c (xtensa_va_start): Use build_int_cst
3231 instead of size_int for integer types.
3232 (xtensa_gimplify_va_arg_expr): Likewise. Convert index to sizetype
3233 to match type of MINUS_EXPR.
3235 2008-03-25 Tom Tromey <tromey@redhat.com>
3237 * configure: Rebuilt.
3238 * configure.ac (BUILD_DEPMODE): Extract CCDEPMODE from temporary
3241 2008-03-25 Tom Tromey <tromey@redhat.com>
3243 * config/x-solaris (host-solaris.o): Update.
3244 * config/x-linux (host-linux.o): Update.
3245 * config/x-hpux (host-hpux.o): Update.
3246 * config/x-darwin (host-darwin.o): Update.
3247 * config/v850/t-v850e (v850-c.o): Update.
3248 * config/v850/t-v850 (v850-c.o): Update.
3249 * config/t-vxworks (vxworks.o): Update.
3250 * config/t-sol2 (sol2-c.o, sol2.o): Update.
3251 * config/t-darwin (darwin.o, darwin-c.o, darwin-driver.o): Update.
3252 * config/spu/t-spu-elf (spu-c.o): Update.
3254 * config/sh/t-symbian (sh-c.o): Update.
3255 (symbian.o): Update.
3256 * config/sh/t-sh (sh-c.o): Update.
3257 * config/score/t-score-elf (score7.o, score3.o): Update.
3258 * config/rs6000/x-rs6000 (driver-rs6000.o): Update.
3259 * config/rs6000/x-darwin64 (host-ppc64-darwin.o): Update.
3260 * config/rs6000/x-darwin (host-ppc-darwin.o): Update.
3261 * config/rs6000/t-rs6000 (rs6000-c.o): Update.
3263 * config/m68k/t-uclinux (generated_files): Add sysroot-suffix.h.
3264 * config/m32c/t-m32c (m32c-pragma.o): Update.
3265 * config/ia64/t-ia64 (ia64-c.o): Update.
3266 * config/i386/x-mingw32 (host-mingw32.o): Update.
3267 * config/i386/x-i386 (driver-i386.o): Update.
3268 * config/i386/x-darwin (host-i386-darwin.o): Update.
3269 * config/i386/x-cygwin (host-cygwin.o): Update.
3270 * config/i386/t-nwld (nwld.o): Update.
3271 * config/i386/t-netware (netware.o): Update.
3272 * config/i386/t-interix (winnt.o): Update.
3273 * config/i386/t-cygwin (cygwin1.o, cygwin2.o): Update.
3274 * config/i386/t-cygming (winnt.o, winnt-cxx.o, winnt-stubs.o,
3275 msformat-c.o): Update.
3276 * config/bfin/t-bfin-linux (generated_files): Add
3277 linux-sysroot-suffix.h.
3278 * config/arm/t-wince-pe (pe.o): Update.
3279 * config/arm/t-strongarm-pe (pe.o): Update.
3280 * config/arm/t-pe (pe.o): Update.
3281 * config/arm/t-arm (arm-c.o): Update.
3282 * doc/install.texi (Prerequisites): Require make 3.80.
3283 * Makefile.in: Remove .o targets.
3284 (CCDEPMODE, DEPDIR, depcomp, BUILD_DEPMODE): New variables.
3285 (OBSTACK_H, FIBHEAP_H, PARTITION_H, MD5_H, BCONFIG_H): Remove.
3286 (simple_generated_h, simple_generated_c): Move earlier.
3287 (generated_files): New variable.
3288 (TARGET_H, MACHMODE_H, HOOKS_H, HOSTHOOKS_DEF_H, LANGHOOKS_DEF_H,
3289 TARGET_DEF_H, RTL_BASE_H, RTL_H, PARAMS_H, BUILTINS_DEF, TREE_H,
3290 BASIC_BLOCK_H, GCOV_IO_H, COVERAGE_H, DEMANGLE_H, RECOG_H,
3291 ALIAS_H, EMIT_RTL_H, FLAGS_H, FUNCTION_H, EXPR_H, OPTABS_H,
3292 REGS_H, RA_H, RESOURCE_H, SCHED_INT_H, INTEGRATE_H, CFGLAYOUT_H,
3293 CFGLOOP_H, IPA_UTILS_H, IPA_REFERENCE_H, IPA_TYPE_ESCAPE_H,
3294 CGRAPH_H, DF_H, RESOURCE_H, DDG_H, GCC_H, GGC_H, TIMEVAR_H,
3295 INSN_ATTR_H, C_COMMON_H, C_PRAGMA_H, C_TREE_H, SYSTEM_H,
3296 PREDICT_H, DECNUM_H, MKDEPS_H, SYMTAB_H, TREE_DUMP_H,
3297 TREE_GIMPLE_H, TREE_FLOW_H, TREE_SSA_LIVE_H, PRETTY_PRINT_H,
3298 DIAGNOSTIC_H, C_PRETTY_PRINT_H, SCEV_H, LAMBDA_H, TREE_DATA_REF_H,
3299 VARRAY_H, TREE_INLINE_H, REAL_H, DBGCNT_H, EBIMAP_H): Remove.
3301 (COMPILE.base, COMPILE): New variables.
3302 (%.o): New pattern rule.
3303 (ALL_HOST_OBJS): New variable.
3304 (xgcc$(exeext), cpp$(exeext)): Remove extra version.o.
3305 (dummy-checksum.o, cc1-checksum.o): Remove.
3306 (DRIVER_SHLIB): New variable.
3307 (DRIVER_DEFINES): Use it.
3308 (gencondmd.c): Move out of build/.
3309 (s-conditions): Update.
3310 (BUILDCOMPILE.base, BUILDCOMPILE): New variables.
3311 (ALL_BUILD_OBJS): Likewise.
3312 (build/%.o): Use BUILDCOMPILE.
3313 (build/ggc-none.o, build/ggc-none.o, build/min-insn-modes.o,
3314 build/print-rtl.o, build/read-rtl.o, build/rtl.o, build/vec.o,
3315 build/gencondmd.o, build/genattrtab.o, build/genautomata.o,
3316 build/gencheck.o, build/gencodes.o, build/genconditions.o,
3317 build/genconfig.o, build/genconstants.o, build/genemit.o,
3318 build/genextract.o, build/genflags.o, build/genmddeps.o,
3319 build/genopinit.o, build/genoutput.o, build/genpeep.o,
3320 build/genpreds.o, build/genrecog.o, build/gcov-iov.o,
3321 build/gen-protos.o, build/scan.o, build/fix-header.o,
3322 build/scan-decls.o): Simplify.
3323 (collect2.o, c-opts.o, gcc.o, gccspec.o, gcc-options.o,
3324 cppdefault.o, protoize.o, unprotoize.o, intl.o, version.o,
3325 prefix.o, toplev.o): Reduce to variable setting.
3326 (libbackend.o): Use COMPILE. Remove most dependencies. Move later.
3327 ($(out_object_file), gcc-options.o): New targets.
3328 ($(ALL_HOST_OBJS)): New target. Include dependency files.
3329 * configure: Rebuilt.
3330 * configure.ac: Call ZW_CREATE_DEPDIR, ZW_PROG_COMPILER_DEPENDENCIES.
3331 * doc/sourcebuild.texi (Front End Directory): Document new variable.
3333 2008-03-25 Douglas Gregor <doug.gregor@gmail.com>
3335 * c-common.c (c_sizeof_or_alignof_type): If we're not allowed to
3336 complain when we hit an error, return ERROR_MARK_NODE.
3338 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3340 * config/sh/constraints.md (Pso, Psz): New constraints.
3341 * config/sh/sh.c (print_operand): Add %V and %W operand codes.
3342 * config/sh/sh.md (*andsi3_bclr, *iorsi3_bset): New insns.
3344 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3346 * config/sh/sh.c (sh_expand_t_scc): Emit movrt for SH2A if possible.
3347 * config/sh/sh.md (xorsi3_movrt, movrt): New insns.
3349 2008-03-25 Naveen.H.S <naveen.hs@kpitcummins.com>
3351 * config/sh/sh.md (prefetch): Add condition for SH2A target.
3352 (prefetch_sh2a): New.
3354 2008-03-25 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3355 Naveen.H.S <naveen.hs@kpitcummins.com>
3357 * config/sh/constraints.md (I28): New constraint.
3358 * config/sh/sh.c (broken_move): Add support for movi20s.
3359 * config/sh/sh.md (movsi_ie): Add the alternative for movi20s.
3361 2008-03-25 Anil Paranjape <anil.paranjape@kpitcummins.com>
3362 Jayant Sonar <Jayant.sonar@kpitcummins.com>
3363 Naveen.H.S <naveen.hs@kpitcummins.com>
3365 * config/sh/sh.c (SH_ATTRIBUTES): Define.
3366 (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
3367 (print_operand): Handle resbank in %@ operand code.
3368 (sh_encode_section_info): New.
3369 (push_regs): Add conditions for resbank.
3370 (sh_expand_epilogue): Likewise.
3371 (sh_insert_attributes): Likewise.
3372 (sh_attribute_table): Likewise.
3373 (sh_handle_resbank_handler_attribute): New.
3374 (sh2a_handle_function_vector_handler_attribute): New.
3375 (sh2a_is_function_vector_call): New.
3376 (sh2a_get_function_vector_number): New.
3377 (sh2a_function_vector_p): New.
3378 (sh_cfun_resbank_handler_p): New.
3379 * config/sh/sh.md (calli): Emit jsr/n if possible.
3380 (calli_tbr_rel): New.
3381 (calli_pcrel): Emit jsr/n if possible.
3382 (return_i): Emit rts/n if possible.
3383 (call_valuei_tbr_rel): New.
3384 (call_valuei_pcrel): Add condition for SH2A target.
3385 (call_value): Likewise.
3386 * config/sh/sh-protos.h (sh_cfun_resbank_handler_p): Declare.
3387 (sh2a_get_function_vector_number): Likewise.
3388 (sh2a_is_function_vector_call): Likewise.
3389 * doc/extend.texi: Document TBR relative addressing of SH2A.
3390 (resbank): Add description for SH2A.
3392 2008-03-24 Richard Guenther <rguenther@suse.de>
3395 * gimplify.c (gimplify_modify_expr): For frontend type-correct
3396 pointer assignments change conversions according to middle-end rules.
3397 (gimplify_modify_expr_rhs): Deal with NULL TARGET_EXPR_INITIAL.
3398 * configure.ac: Include type checking in yes.
3399 * configure: Regenerate.
3401 2008-03-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3403 * diagnostic.c (diagnostic_count_diagnostic): Delete.
3404 (diagnostic_report_diagnostic): Update. Handle ICEs here.
3406 2008-03-24 Nathan Sidwell <nathan@codesourcery.com>
3408 * gthr-vxworks.h (UNUSED): Define.
3410 2008-03-23 H.J. Lu <hongjiu.lu@intel.com>
3412 * config/i386/i386.h (STATIC_CHAIN_REGNUM): Use R10_REG and CX_REG.
3414 2008-03-23 Zuxy Meng <zuxy.meng@gmail.com>
3416 * doc/extend.texi (Function Attributes): Add missing comma in the
3417 example of the "alloc_size" attribute.
3419 2008-03-23 Uros Bizjak <ubizjak@gmail.com>
3422 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
3424 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
3427 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3430 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3431 of the underlying type of a MS bitfield layout to the natural
3432 alignment of the type.
3434 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3436 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3437 to their natural alignment to avoid store forwarding stalls.
3439 2008-03-22 Richard Guenther <rguenther@suse.de>
3441 * tree-cfg.c (verify_expr): Recurse again for invariant addresses.
3442 For PHI nodes verify the address is invariant.
3443 * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): Remove.
3444 (get_symbol_constant_value): Use is_gimple_min_invariant.
3445 (maybe_fold_stmt_indirect): Likewise.
3447 2008-03-22 Richard Sandiford <rsandifo@nildram.co.uk>
3449 PR rtl-optimization/33927
3450 * Makefile.in (dse.o): Depend on $(TM_P_H).
3451 * expr.h (extract_low_bits): Declare.
3452 * expmed.c (extract_low_bits): New function.
3453 * rtlhooks.c (gen_lowpart_general): Generalize SUBREG handling.
3454 * dse.c: Include tm_p.h.
3455 (find_shift_sequence): Remove the read_reg argument and return the
3456 read value. Emit the instructions instead of returning them.
3457 Iterate on new_mode rather than calculating it each time.
3458 Check MODES_TIEABLE_P. Use simplify_gen_subreg to convert the
3459 source to NEW_MODE and extract_low_bits to convert the shifted
3461 (replace_read): Allow the load and store to have different mode
3462 classes. Use extract_low_bits when SHIFT == 0. Create the shift
3463 or extraction instructions before trying the replacement. Update
3464 dump-file code accordingly, avoiding use of REGNO (store_info->rhs).
3466 2008-03-22 Uros Bizjak <ubizjak@gmail.com>
3468 * config/i386/i386.c (assign_386_stack_local): Align DImode slots
3469 to their natural alignment to avoid store forwarding stalls.
3471 2008-03-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
3474 * config/rs6000/rs6000.md (floatdidf2): Discouraging fprs and
3475 encouraging but not allowing gprs for input;
3476 change the input constraint to !f#r.
3477 (fix_truncdfdi2): Discouraging fprs and encouraging but not allowing
3479 change the output constraint to !f#r.
3481 2008-03-21 Uros Bizjak <ubizjak@gmail.com>
3484 * config/i386/i386.md ("*floatunssi<mode2>_1"): New pattern with
3485 corresponding post-reload splitters.
3486 ("floatunssi<mode>2"): Expand to unsigned_float x87 insn pattern
3487 when x87 FP math is selected.
3488 * config/i386/i386-protos.h (ix86_expand_convert_uns_sixf_sse):
3489 New function prototype.
3490 * config/i386/i386.c (ix86_expand_convert_uns_sixf_sse): New
3491 unreachable function to ease macroization of insn patterns.
3493 2008-03-21 Martin Jambor <mjambor@suse.cz>
3495 * tree-data-ref.c (dump_data_dependence_relation): Avoid data
3496 reference dumps if ddr is NULL or dependence is unknown.
3498 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3500 * config/sh/linux-atomic.asm (ATOMIC_TEST_AND_SET): Take
3501 unsigned extension into account.
3502 (ATOMIC_COMPARE_AND_SWAP): Likewise.
3503 (ATOMIC_FETCH_AND_OP, ATOMIC_FETCH_AND_COMBOP): Likewise.
3504 Do computations on a scratch register.
3506 2008-03-21 Richard Guenther <rguenther@suse.de>
3508 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
3509 Use is_gimple_min_invariant instead of TREE_INVARIANT.
3510 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Likewise.
3511 * tree-ssa-dom.c (record_equality): Likewise.
3512 * tree-inline.c (copy_body_r): Likewise.
3513 * tree-ssa-pre.c (make_values_for_stmt): Remove test for
3516 2008-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3518 * config/sh/sh.c (split_branches): Pass zero to redirect_jump
3519 as 'delete_unused' argument.
3521 2008-03-20 Richard Guenther <rguenther@suse.de>
3523 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
3524 special casing of constant qualifiers.
3525 * tree-ssa.c (useless_type_conversion_p_1): Instead do not
3526 care about them in general.
3527 * tree-ssa-ccp.c (ccp_fold): Addresses are constant or not
3528 regardless of their type.
3529 (fold_stmt_r): Forcefully fold *& if we end up with that.
3531 2008-03-20 Paul Brook <paul@codesourcery.com>
3533 * config.gcc (arm*-*-uclinux*): Remove duplicate arm/uclinux-elf.h.
3534 * config/arm/uclinux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Add extra
3536 * config/arm/bpabi.h (SUBTARGET_EXTRA_LINK_SPEC): Provide default
3538 (LINK_SPEC): Use SUBTARGET_EXTRA_LINK_SPEC.
3539 * config/arm/unwind-arm.h (_Unwind_decode_target2): Add uClinux.
3541 2008-03-20 Volker Reichelt <v.reichelt@netcologne.de>
3543 * common.opt (Wmudflap): New option.
3544 * tree-mudflap.c (mf_xform_derefs_1): Guard warning by OPT_Wmudflap.
3545 (mx_register_decls): Likewise.
3546 (mudflap_finish_file): Likewise.
3547 * doc/invoke.texi: Document -Wno-mudflap.
3549 2008-03-20 Kai Tietz <kai.tietz@onevision.com>
3551 * c-format.c (replace_format_name_to_system_name): New.
3553 (convert_format_name_to_system_name): New.
3554 (decode_format_attr): Add use of convert_format_name_to_system_name.
3555 (format_types_orig): Add gnu_ prefix to names.
3556 (check_format_info_main): Special treating of \0 escaped names for
3557 supporting multi-character format specifiers as I32, I64.
3558 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): Use of user defined attributes.
3559 (gnu_target_overrides_format_attributes): New.
3560 * c-format.h: Add structure target_ovr_attr to hold
3561 system specific formatter names.
3562 * config.gcc: Add for x86&x86_64 cygwin and mingw32 targets the
3563 msformat-c.o file to c_target_objs and cxx_target_objs.
3564 * config/i386/mingw32.h (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3565 (TARGET_OVERRIDES_FORMAT_ATTRIBUTES_COUNT): New.
3566 (TARGET_N_FORMAT_TYPES): New.
3567 * config/i386/msformat-c.c: New.
3568 * config/i386/t-cygming: Add build rule for msformat-c.o.
3569 * doc/extend.texi: Add new format names gnu_* and ms_* and
3571 * doc/tm.texi: (TARGET_OVERRIDES_FORMAT_ATTRIBUTES): New.
3573 2008-03-20 Ira Rosen <irar@il.ibm.com>
3575 * doc/invoke.texi (-O3): Add -ftree-vectorize to the list of
3576 optimizations turned on under -O3.
3577 (ftree-vectorize): Add that the flag is turned on with -O3.
3579 2008-03-20 Ben Elliston <bje@au.ibm.com>
3581 * regmove.c (try_auto_increment): Fix spelling error in comment.
3582 * final.c (final_scan_insn): Likewise.
3584 2008-03-20 Uros Bizjak <ubizjak@gmail.com>
3587 * config/i386/mmx.md (*mov<mode>_internal_rex64"): Adjust register
3588 allocator preferences for "y" and "r" class registers.
3589 ("*mov<mode>_internal"): Ditto.
3590 ("*movv2sf_internal_rex64"): Ditto.
3591 ("*movv2sf_internal"): Ditto.
3593 2008-03-19 Michael Matz <matz@suse.de>
3596 * calls.c (expand_call): Check overlap of arguments with call
3597 address for sibcalls.
3599 2008-03-19 Uros Bizjak <ubizjak@gmail.com>
3602 * stor-layout.c (update_alignment_for_field): Set minimum alignment
3603 of the underlying type of a MS bitfield layout to the natural
3604 alignment of the type.
3606 2008-03-19 Jan Hubicka <jh@suse.cz>
3609 * toplev.c (decode_d_option): Handle all CPP flags.
3610 * tree-vrp.c: Update tree_pass descriptors.
3611 * regrename.c: Update tree_pass descriptors.
3612 * fwprop.c: Update tree_pass descriptors.
3613 * doc/invoke.texi: Remove documentation of dropped -d? flags.
3614 * tree-into-ssa.c: Update tree_pass descriptors.
3615 * tree-dump.c: Update tree_pass descriptors.
3616 * tree-complex.c: Update tree_pass descriptors.
3617 * tree-dump.h: Update tree_pass descriptors.
3618 * see.c: Update tree_pass descriptors.
3619 * cgraphbuild.c: Update tree_pass descriptors.
3620 * tracer.c: Update tree_pass descriptors.
3621 * tree-loop-distribution.c: Update tree_pass descriptors.
3622 * cgraph.c: Update tree_pass descriptors.
3623 * postreload-gcse.c: Update tree_pass descriptors.
3624 * postreload.c: Update tree_pass descriptors.
3625 * tree-ssa-loop-ch.c: Update tree_pass descriptors.
3626 * tree-tailcall.c: Update tree_pass descriptors.
3627 * tree-pass.h (tree_opt_pass): Rename to ...
3628 (opt_pass) ... this one; add "type" field and remove letter field.
3629 (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
3630 (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
3631 all_lowering_passes): Update declaration.
3632 * ipa-cp.c: Update tree_pass descriptors.
3633 * final.c: Update tree_pass descriptors.
3634 * omp-low.c: Update tree_pass descriptors.
3635 * tree-ssa-dse.c: Update tree_pass descriptors.
3636 * ipa-reference.c: Update tree_pass descriptors.
3637 * tree-ssa-uncprop.c: Update tree_pass descriptors.
3638 * auto-inc-dec.c: Update tree_pass descriptors.
3639 * reorg.c: Update tree_pass descriptors.
3640 * cgraphunit.c: Update tree_pass descriptors.
3641 * tree-ssa-copyrename.c: Update tree_pass descriptors.
3642 * tree-ssa-ccp.c: Update tree_pass descriptors.
3643 * df-core.c: Update tree_pass descriptors.
3644 * mode-switching.c: Update tree_pass descriptors.
3645 * tree-nomudflap.c: Update tree_pass descriptors.
3646 * modulo-sched.c: Update tree_pass descriptors.
3647 * ipa-pure-const.c: Update tree_pass descriptors.
3648 * cse.c: Update tree_pass descriptors.
3649 * web.c: Update tree_pass descriptors.
3650 * tree-stdarg.c: Update tree_pass descriptors.
3651 * tree-ssa-math-opts.c: Update tree_pass descriptors.
3652 * tree-ssa-dom.c: Update tree_pass descriptors.
3653 * tree-nrv.c: Update tree_pass descriptors.
3654 * tree-ssa-alias.c: Update tree_pass descriptors.
3655 * loop-init.c: Update tree_pass descriptors.
3656 * gimple-low.c: Update tree_pass descriptors.
3657 * ipa-inline.c: Update tree_pass descriptors.
3658 * tree-ssa-sink.c: Update tree_pass descriptors.
3659 * global.c: Update tree_pass descriptors.
3660 * ifcvt.c: Update tree_pass descriptors.
3661 * jump.c: Update tree_pass descriptors.
3662 * predict.c: Update tree_pass descriptors.
3663 * tree-ssa-loop.c: Update tree_pass descriptors.
3664 * recog.c: Update tree_pass descriptors.
3665 * dse.c: Update tree_pass descriptors.
3666 * tree-ssa-ifcombine.c: Update tree_pass descriptors.
3667 * tree-eh.c: Update tree_pass descriptors.
3668 * regmove.c: Update tree_pass descriptors.
3670 * function.c: Update tree_pass descriptors.
3671 * tree-vectorizer.c: Update tree_pass descriptors.
3672 * gcse.c: Update tree_pass descriptors.
3673 * ipa-type-escape.c: Update tree_pass descriptors.
3674 * tree-if-conv.c: Update tree_pass descriptors.
3675 * init-regs.c: Update tree_pass descriptors.
3676 * ipa.c: Update tree_pass descriptors.
3677 * tree-ssa-phiopt.c: Update tree_pass descriptors.
3678 * rtl-factoring.c: Update tree_pass descriptors.
3679 * lower-subreg.c: Update tree_pass descriptors.
3680 * bt-load.c: Update tree_pass descriptors.
3681 * tree-dfa.c: Update tree_pass descriptors.
3682 * except.c: Update tree_pass descriptors.
3683 * emit-rtl.c: Update tree_pass descriptors.
3684 * cfgexpand.c: Update tree_pass descriptors.
3685 * tree-cfgcleanup.c: Update tree_pass descriptors.
3686 * cfgcleanup.c: Update tree_pass descriptors.
3687 * tree-ssa-pre.c: Update tree_pass descriptors.
3688 * tree-sra.c: Update tree_pass descriptors.
3689 * tree-mudflap.c: Update tree_pass descriptors.
3690 * tree-ssa-copy.c: Update tree_pass descriptors.
3691 * cfglayout.c: Update tree_pass descriptors.
3692 * tree-ssa-forwprop.c: Update tree_pass descriptors.
3693 * tree-ssa-dce.c: Update tree_pass descriptors.
3694 * tree-ssa.c: Update tree_pass descriptors.
3695 * regclass.c: Update tree_pass descriptors.
3696 * integrate.c: Update tree_pass descriptors.
3697 * tree-optimize.c: Update tree_pass descriptors.
3698 * tree-ssa-phiprop.c: Update tree_pass descriptors.
3699 * tree-object-size.c: Update tree_pass descriptors.
3700 * combine.c: Update tree_pass descriptors.
3701 * tree-outof-ssa.c: Update tree_pass descriptors.
3702 * bb-reorder.c: Update tree_pass descriptors.
3703 * stack-ptr-mod.c: Update tree_pass descriptors.
3704 * var-tracking.c: Update tree_pass descriptors.
3705 * tree-profile.c: Update tree_pass descriptors.
3706 * tree-vect-generic.c: Update tree_pass descriptors.
3707 * reg-stack.c: Update tree_pass descriptors.
3708 * sched-rgn.c: Update tree_pass descriptors.
3709 * tree-ssa-structalias.c: Update tree_pass descriptors.
3710 * tree-cfg.c: Update tree_pass descriptors.
3711 * passes.c (current_pass): Update declaration.
3712 (finish_optimization_passes): Update.
3713 (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
3714 (register_one_dump_file, register_dump_files_1, next_pass_1):
3716 (init_optimization_passes): Update handling of new types.
3717 (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
3718 * ipa-struct-reorg.c: Update tree_pass descriptors.
3719 * tree-ssa-reassoc.c: Update tree_pass descriptors.
3720 * combine-stack-adj.c: Update tree_pass descriptors.
3721 * cfgrtl.c: Update tree_pass descriptors.
3722 * dce.c: Update tree_pass descriptors.
3723 * tree-ssanames.c: Update tree_pass descriptors.
3725 2008-03-19 Richard Guenther <rguenther@suse.de>
3728 * tree-ssa.c (walk_data): New structure.
3729 (warn_uninitialized_var): If not always_executed warn with "maybe"
3731 (execute_early_warn_uninitialized): Compute post-dominators.
3732 Initialize always_executed before processing each basic block.
3734 2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
3737 * config/i386/i386.c (x86_this_parameter): Calculate correct location
3738 of "this" pointer when "regparm = N" or "fastcall" is in effect.
3740 2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3742 * doc/include/texinfo.tex: Update to version 2008-03-17.10.
3744 2008-03-18 Paolo Bonzini <bonzini@gnu.org>
3746 * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
3748 (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
3749 (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
3750 is true. Add "&& !ignore" condition to reduce_bit_field. Modify
3751 target after ignore has been set, and move there also the commputation
3752 of subtarget and original_target.
3753 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
3754 (LANG_HOOKS_INITIALIZER): Remove it.
3755 * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
3757 2008-03-18 Richard Guenther <rguenther@suse.de>
3759 * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
3760 found an expression with constants, note that in the VN for the lhs.
3761 * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
3762 fold them to constants if possible. Run cleanup_cfg if done so.
3763 (execute_pre): Return todo.
3765 (execute_fre): Likewise.
3766 * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
3768 (get_prop_source_stmt): Look through pointer conversions.
3770 2008-03-18 Jan Hubicka <jh@suse.cz>
3772 * tree-pretty-print.c: Include predict.h.
3773 (dump_generic_node): Dump predictor.
3774 * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
3775 * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
3776 * gimple-low.c (lower_stmt): Likewise.
3777 * expr.c (expand_expr_real): Likewise.
3778 * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
3780 (build_predict_expr, build_predict_expr): New.
3781 * predict.h (predictor_name, build_predict_expr): Update.
3782 * c-typeck.c (c_finish_bc_stmt): Add prediction.
3783 * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
3784 * predict.def (PRED_CONTINUE): Update hitrate.
3785 * tree.def (PREDICT_EXPR): Define.
3786 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
3787 do not handle BIND_EXPR.
3788 * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
3789 * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
3790 * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
3793 2008-03-18 Michael Matz <matz@suse.de>
3795 * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
3797 2008-03-18 Richard Guenther <rguenther@suse.de>
3799 * tree-gimple.h (is_gimple_invariant_address): Declare.
3800 (is_gimple_constant): Likewise.
3801 * tree-gimple.c (is_gimple_constant): New function.
3802 (is_gimple_invariant_address): Likewise.
3803 (is_gimple_min_invariant): Implement in terms of is_gimple_constant
3804 and is_gimple_invariant_address.
3805 * tree-ssa-loop-niter.c (expand_simple_operations): Revert
3807 * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
3808 an addressable base.
3810 2008-03-18 Jakub Jelinek <jakub@redhat.com>
3813 * gimplify.c (gimplify_expr): Gimplify second operand of
3816 2008-03-17 Richard Guenther <rguenther@suse.de>
3818 PR tree-optimization/19637
3819 * fold-const.c (fold_unary): Remove restrictions of removing
3820 intermediate pointer-conversions (P2)(P1)P0.
3821 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
3822 conversion to void pointer.
3823 (get_maxval_strlen): Handle addresses of the form &(*p)[0].
3825 2008-03-16 James E. Wilson <wilson@tuliptree.org>
3828 * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
3829 emulated thread local variables.
3831 2008-03-16 Richard Guenther <rguenther@suse.de>
3834 * tree-ssa-loop-niter.c (expand_simple_operations): Do not
3835 expand TREE_INVARIANT operations that are not gimple invariant.
3837 2008-03-16 Hans-Peter Nilsson <hp@axis.com>
3839 * doc/extend.texi (Alignment): Say that the ABI controls
3840 the __alignof__ for non-strict-alignment targets rather
3841 than being a recommendation.
3843 2008-03-15 Paul Brook <paul@codesourcery.com>
3845 * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
3847 (arm_output_fn_unwind): Mark functions that can not be unwound.
3849 2008-03-15 Paul Brook <paul@codesourcery.com>
3851 * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
3852 extension instructions.
3854 2008-03-15 Richard Guenther <rguenther@suse.de>
3856 * tree-ssa-ccp.c (ccp_fold): Also read from constant values
3857 and fold constant aggregate refs.
3858 (fold_const_aggregate_ref): Handle string constants
3859 and constructors in ARRAY_REFs. Handle INDIRECT_REF.
3860 (evaluate_stmt): Simplify now that ccp_fold folds constant
3863 2008-03-15 Paul Brook <paul@codesourcery.com>
3865 * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
3866 (extzv): Use gen_extzv_t2.
3867 (insv_t2, insv_zero, extv, extzv_t2): New patterns.
3869 2008-03-15 Richard Guenther <rguenther@suse.de>
3871 * tree-ssa-ccp.c (get_symbol_constant_value): Export.
3872 (fold_const_aggregate_ref): Likewise.
3873 (get_value): Return NULL if we don't have any values.
3874 (ccp_finalize): Set const_val to NULL after freeing it.
3875 * tree-flow.h (get_symbol_constant_value): Declare.
3876 (fold_const_aggregate_ref): Likewise.
3877 * tree-ssa-sccvn.c (try_to_simplify): Use them.
3879 2008-03-15 Richard Guenther <rguenther@suse.de>
3882 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
3883 to not produce negative array indices if not allowed. Add
3884 parameter to indicate that.
3885 (maybe_fold_offset_to_component_ref): Allow negative array
3886 indices only for the first member of a structure.
3887 (maybe_fold_offset_to_reference): Allow negative array indices.
3888 (maybe_fold_stmt_addition): Likewise.
3890 2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
3891 Anatoly Sokolov <aesok@post.ru>
3893 * config/avr/avr.c (avr_arch_types): Add avr6 entry.
3894 (avr_arch): Add ARCH_AVR6.
3895 (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
3896 (initial_elimination_offset): Initialize and use 'avr_pc_size'
3897 instead of fixed value 2.
3898 (print_operand_address): Use gs() asm specifier instead of pm().
3899 (avr_assemble_integer): (Ditto.).
3900 (avr_output_addr_vec_elt): (Ditto.).
3901 (print_operand): Handle "!" code.
3902 * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
3903 __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
3904 (AVR_HAVE_EIJMP_EICALL): Define.
3905 (AVR_3_BYTE_PC): Redefine.
3906 (AVR_2_BYTE_PC): (Ditto.).
3907 (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
3908 (LINK_SPEC): Add atmega2560 and atmega2561.
3909 (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
3911 * config/avr/avr.md (call_insn): Use eicall instead of icall
3912 for 3 byte PC devices.
3913 (call_value_insn): (Ditto.).
3914 (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
3915 (indirect_jump): Use only for for 2 byte PC devices.
3916 (*tablejump): (Ditto.).
3917 (*indirect_jump_avr6): Add insn.
3918 (*tablejump_rjmp): Don't use for 3 byte PC devices.
3919 * config/avr/libgcc.S (__prologue_saves__): Use eijmp
3920 instead of ijmp for 3 byte PC devices.
3921 (__tablejump2__): (Ditto.).
3922 * config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
3923 (MULITLIB_DIRNAMES): (Ditto.).
3924 (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
3926 2008-03-15 Uros Bizjak <ubizjak@gmail.com>
3928 * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
3929 "sse2_umulsidi3". Use V1DI mode for operand 0.
3930 ("mmx_psadbw"): Use V1DI mode for operand 0.
3931 * config/i386/i386-modes.def (V1SI): New vector mode.
3932 * config/i386/i386.c (struct builtin_description)
3933 [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
3934 (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
3935 (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
3936 (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
3937 v1di_ftype_v8qi_v8qi type.
3938 [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
3940 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
3941 __builtin_ia32_pmuludq]: Fix the mode of return value.
3943 2008-03-15 Richard Guenther <rguenther@suse.de>
3946 * tree-ssa-pre.c (bitmap_find_leader): Handle expression
3949 2008-03-14 Bob Wilson <bob.wilson@acm.org>
3951 * doc/invoke.texi (Option Summary, Xtensa Options): Document
3952 -mserialize-volatile and -mno-serialize-volatile Xtensa options.
3953 * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
3954 unless TARGET_SERIALIZE_VOLATILE is enabled.
3955 * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
3956 * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
3957 * config/xtensa/xtensa.opt (mserialize_volatile): New option.
3959 2008-03-14 Richard Guenther <rguenther@suse.de>
3961 PR tree-optimization/34172
3962 * tree-flow.h (refs_may_alias_p): Declare.
3963 (get_single_def_stmt): Likewise.
3964 (get_single_def_stmt_from_phi): Likewise.
3965 (get_single_def_stmt_with_phi): Likewise.
3966 * tree-dfa.c (refs_may_alias_p): New function.
3967 (get_single_def_stmt): Likewise.
3968 (get_single_def_stmt_from_phi): Likewise.
3969 (get_single_def_stmt_with_phi): Likewise.
3970 * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
3971 (vn_reference_lookup_1): New helper function.
3972 (vn_reference_lookup): Walk the virtual use-def chain to
3973 continue searching for a match if the def does not alias the
3974 reference we are looking for.
3976 2008-03-14 David Edelsohn <edelsohn@gnu.org>
3978 * doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
3979 archive and Perzl. Update The Written Word listing.
3981 2008-03-14 Richard Guenther <rguenther@suse.de>
3983 PR tree-optimization/34043
3984 PR tree-optimization/33989
3985 * tree-ssa-pre.c (execute_pre): Allow SCCVN to do insertion
3987 (bitmap_find_leader): Use extra argument to verify dominance
3988 relationship inside a basic-block.
3989 (can_PRE_operation): Add VIEW_CONVERT_EXPR.
3990 (find_leader_in_sets): Adjust.
3991 (create_component_ref_by_pieces): Take extra argument for
3992 dominance check, handle lookup failures.
3993 (find_or_generate_expression): Likewise.
3994 (create_expression_by_pieces): Likewise.
3995 (insert_into_preds_of_block): Adjust.
3996 (create_value_expr_from): If asked for, verify all operands
3997 are in the blocks AVAIL_OUT set.
3998 (make_values_for_stmt): Check for SSA_NAMEs that are life
3999 over an abnormal edge.
4000 (compute_avail): Remove such check.
4001 (do_SCCVN_insertion): New function.
4002 (eliminate): If we do not find a leader suitable for replacement
4003 insert a replacement expression from SCCVN if available.
4004 * tree-ssa-sccvn.h (run_scc_vn): Update prototype.
4005 (struct vn_ssa_aux): Add needs_insertion flag.
4006 * tree-ssa-sccvn.c (may_insert): New global flag.
4007 (copy_reference_ops_from_ref): Value-number union member access
4008 based on its size, not type and member if insertion is allowed.
4009 (visit_reference_op_load): For a weak match from union type
4010 punning lookup a view-converted value and insert a SSA_NAME
4011 for that value if that is not found.
4012 (visit_use): Make dumps shorter. Do not disallow value numbering
4013 SSA_NAMEs that are life over an abnormal edge to constants.
4014 (free_scc_vn): Release inserted SSA_NAMEs.
4015 (run_scc_vn): New flag to specify whether insertion is allowed.
4016 Process SSA_NAMEs in forward order.
4017 * tree-ssa-loop-im.c (for_each_index): Handle invariant
4018 ADDR_EXPRs inside VIEW_CONVERT_EXPR.
4019 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPRs from/to
4020 pointer type to/from integral types that do not change the
4021 precision to regular conversions.
4023 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4025 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4026 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4027 __builtin_ia32_psrl?i, __builtin_ia32_psra?i, __builtin_ia32_psll?128,
4028 __builtin_ia32_psrl?128, __builtin_ia32_psra?128]: Fix the mode of
4029 input arguments and the mode of return value. Built-in functions
4030 that operate on whole 64-bit MMX register now use V1DI mode.
4032 2008-03-13 Alon Dayan <alond@il.ibm.com>
4033 Olga Golovanevsky <olga@il.ibm.com>
4035 PR tree-optimization/35041
4036 * ipa-struct-reorg.c (find_pos_in_stmt_1): Add another option
4037 to locate the right position in a statement.
4039 2008-03-13 Uros Bizjak <ubizjak@gmail.com>
4043 * config/i386/xmmintrin.h: Change all static inline functions to
4044 extern inline and add __gnu_inline__ attribute.
4045 * config/i386/bmintrin.h: Ditto.
4046 * config/i386/smmintrin.h: Ditto.
4047 * config/i386/tmmintrin.h: Ditto.
4048 * config/i386/mmintrin-common.h: Ditto.
4049 * config/i386/ammintrin.h: Ditto.
4050 * config/i386/emmintrin.h: Ditto.
4051 * config/i386/pmmintrin.h: Ditto.
4052 * config/i386/mmintrin.h: Ditto.
4053 * config/i386/mm3dnow.h: Ditto.
4055 2008-03-13 Jakub Jelinek <jakub@redhat.com>
4058 * omp-low.c (lower_regimplify, init_tmp_var, save_tmp_var): Removed.
4059 (lower_omp_2): New function.
4060 (lower_omp_1, lower_omp): Rewritten.
4062 2008-03-13 Danny Smith <dannysmith@users.sourceforge.net>
4065 * doc/extend.texi (Structure-Packing Pragmas): Replace "Win32"
4066 with the phrase "Microsoft Windows compilers".
4067 (Push/Pop Macro Pragmas): New subsection. Document
4068 #pragma push_macro and pragma pop_macro.
4070 2008-03-12 Paul Brook <paul@codesourcery.com>
4072 * config/arm/arm.c (output_move_double): Prefer LDRD to LDM.
4074 2008-03-12 Paul Brook <paul@codesourcery.com>
4076 * config/arm/thumb2.md: Extend peephole to cover 3-arg subs.
4077 (thumb2_alusi3_short): Exclude PLUS and MINUS.
4078 (thumb2_addsi_shortim): Rename ...
4079 (thumb2_addsi_short): ... to this. Allow register operands.
4080 (thumb2_subsi_short): New pattern.
4081 (thumb2_one_cmplsi2_short,
4082 thumb2_negsi2_short): New patterns and peepholes.
4084 2008-03-12 Paul Brook <paul@codesourcery.com>
4086 * config/arm/arm.c (arm_size_rtx_costs): Use ARM costs for Thumb-2.
4088 2008-03-12 Uros Bizjak <ubizjak@gmail.com>
4090 * config/i386/i386.md (int_cond): New code iterator.
4092 ("s<code>"): Macroize expander from seq, sne, sgt, sgtu, slt, sltu,
4093 sge, sgeu, sle and sleu expanders usign int_cond code iterator.
4094 ("s<code>"): Macroize expander from sunordered, sordered, suneq, sunge,
4095 sungt, sunle, sunlt and sltgt expanders usign fp_cond code iterator.
4096 ("b<code>"): Macroize expander from beq, bne, bgt, bgtu, blt, bltu,
4097 bge, bgeu, ble and bleu expanders usign int_cond code iterator.
4098 ("b<code>"): Macroize expander from bunordered, bordered, buneq, bunge,
4099 bungt, bunle, bunlt and bltgt expanders usign fp_cond code iterator.
4101 2008-03-12 Paul Brook <paul@codesourcery.com>
4103 * config/arm/arm.c (use_return_insn): Use offsets->saved_regs_mask
4104 instead of {arm,thumb}_compute_save_reg_mask.
4105 (output_return_instruction): Ditto.
4106 (thumb_unexpanded_epilogue): Ditto.
4107 (thumb1_expand_prologue): Ditto.
4108 (thumb1_output_function_prologue): Ditto.
4109 (arm_set_return_address): Ditto.
4110 (thumb_set_return_address): Ditto.
4111 (arm_get_frame_offsets): Set offsets->saved_regs_mask. Push extra
4112 regs to achieve stack alignment.
4113 (thumb1_compute_save_reg_mask): Fix compiler warning.
4114 (arm_output_epilogue): Use offsets->saved_regs_mask.
4115 Adjust stack pointer by poping call clobered registers.
4116 (arm_expand_prologue): Use offsets->saved_regs_mask.
4117 Adjust stack pointer by pushing extra registers.
4118 * config/arm.h (arm_stack_offsets): Add saved_regs_mask.
4120 2008-03-12 Paolo Bonzini <bonzini@gnu.org>
4123 * fold-const.c (fold_unary) <NOP_EXPR>: Distribute a narrowing
4124 conversion to the operands of a multiplication.
4126 2008-03-12 Richard Guenther <rguenther@suse.de>
4128 * Makefile.in (OBJS-common): Add tree-ssa-phiprop.o
4129 (tree-ssa-phiprop.o): Copy dependencies from tree-ssa-forwprop.o.
4130 * timevar.def (TV_TREE_PHIPROP): Add.
4131 * tree-ssa-phiprop.c: Split from tree-ssa-forwprop.c, added
4132 pass description. Use TV_TREE_PHIPROP.
4133 * tree-ssa-forwprop.c: Remove phiprop code.
4135 2008-03-12 Jakub Jelinek <jakub@redhat.com>
4138 * omp-low.c (maybe_lookup_decl): Constify first argument.
4139 (use_pointer_for_field): Change last argument from bool to
4140 omp_context *. Disallow shared copy-in/out in nested
4141 parallel if decl is shared in outer parallel too.
4142 (build_outer_var_ref, scan_sharing_clauses,
4143 lower_rec_input_clauses, lower_copyprivate_clauses,
4144 lower_send_clauses, lower_send_shared_vars): Adjust callers.
4146 2008-03-12 Victor Kaplansky <victork@il.ibm.com>
4147 Ira Rosen <irar@il.ibm.com>
4149 * tree-vectorizer.c (free_stmt_vec_info): New function.
4150 (destroy_loop_vec_info): Move code to free_stmt_vec_info().
4151 Call free_stmt_vec_info(). Free LOOP_VINFO_STRIDED_STORES..
4152 * tree-vectorizer.h (free_stmt_vec_info): Declare.
4153 * tree-vect-transform.c (vectorizable_conversion): Free
4154 vec_oprnds0 if it was allocated.
4155 (vect_permute_store_chain): Remove unused VECs.
4156 (vectorizable_store): Free VECs that are allocated in the..
4158 (vect_transform_strided_load, vectorizable_load): Likewise.
4159 (vect_remove_stores): Simplify the code.
4160 (vect_transform_loop): Move code to vect_remove_stores().
4161 Call vect_remove_stores() and free_stmt_vec_info().
4163 2008-03-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4165 * pa.h (TARGET_LONG_PIC_SDIFF_CALL): Conditionalize define on
4166 TARGET_HPUX. Revise comment.
4167 (TARGET_LONG_PIC_PCREL_CALL): Revise comment.
4168 * pa.c (output_call): Update for revised TARGET_LONG_PIC_SDIFF_CALL.
4169 Use sr4 variant of `be' instruction when not generating PIC code.
4170 (attr_length_call): Adjust for above change.
4172 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4174 * ipa-reference.c (static_execute): Remove module_statics_const and
4175 associated setting code.
4177 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4180 * config/i386/i386.md (paritysi2, paritydi2): Use register_operand
4181 predicate for operand 1.
4182 (paritysi2_cmp): Use register_operand predicate for operand 2.
4183 Use earlyclobber modifier for operand 1. Remove support for
4185 (paritydi2_cmp): Use register_operand predicate for operand 3.
4186 Use earlyclobber modifier for operand 1. Remove support for
4189 2008-03-11 Paul Brook <paul@codesourcery.com>
4190 Vladimir Prus <vladimir@codesourcery.com>
4192 * config/arm/arm.c (use_return_insn): Check TARGET_APCS_FRAME.
4193 (arm_compute_save_reg0_reg12_mask): Always
4194 check if register 11 must be saved. Always safe hard frame pointer
4195 when frame_pointer_needeed.
4196 (arm_compute_save_reg_mask): Save IP and PC
4197 only with apcs frames.
4198 (arm_output_epilogue): Adjust Thumb2 codepath to
4199 be also invoked and work for ARM non-apcs frames.
4200 (arm_expand_prologue): Don't bother saving IP
4201 for non-apcs frame, since it's not clobbered by
4202 prologue code. Implement non-apcs frame
4205 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4207 PR rtl-optimization/35281
4208 * expr.c (convert_move): Use a new pseudo for the intermediate
4209 from_mode->word_mode result.
4211 2008-03-11 Paolo Bonzini <bonzini@gnu.org>
4213 * langhooks-def.h (LANG_HOOKS_CLEAR_BINDING_STACK): Delete.
4214 * langhooks.h (struct lang_hooks): Delete clear_binding_stack member.
4215 * toplev.c (compile_file): Don't call it.
4217 2008-03-11 Uros Bizjak <ubizjak@gmail.com>
4220 * expr.c (store_expr): Call emit_block_move if the mode
4221 of "temp" RTX is BLKmode.
4223 2008-03-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
4224 Richard Guenther <rguenther@suse.de>
4226 PR tree-optimization/31358
4227 * tree-ssa-loop-manip.c (create_iv): Call force_gimple_operand for
4228 the step with a NULL_TREE.
4229 * tree-ssa-loop-ivopts.c (find_bivs): Convert the step
4230 to sizetype if type is a pointer type.
4231 (add_candidate_1): Don't convert the base and step to
4232 the generic type if the orginal type is a pointer type.
4233 (add_iv_value_candidates): Use sizetype for the step
4234 if type is a pointer type.
4235 (cand_value_at): Likewise.
4236 * tree-ssa-address.c (add_to_parts): Use POINTER_PLUS_EXPR
4238 * tree-affine.c (tree_to_aff_combination <POINTER_PLUS_EXPR>):
4239 Don't convert the tem affine to the type.
4240 (add_elt_to_tree): Use sizetype for the step if a pointer.
4241 Use POINTER_PLUS_EXPR for pointers.
4242 (aff_combination_to_tree): Use sizetype for the step if a
4245 2008-03-10 Vladimir Makarov <vmakarov@redhat.com>
4247 * config/i386/sse.md (ssse3_pmaddubswv8hi3, ssse3_pmaddubswv4hi3):
4248 Remove commutativity hint.
4250 2008-03-10 Jakub Jelinek <jakub@redhat.com>
4254 * c-parser.c (c_parser_omp_threadprivate): Don't add vars with
4255 errorneous type. Check that v is a VAR_DECL.
4258 * tree-cfg.c (new_label_mapper): Update cfun->last_label_uid.
4260 2008-03-10 H.J. Lu <hongjiu.lu@intel.com>
4262 PR tree-optimization/35494
4263 * tree-ssa-ccp.c (get_symbol_constant_value): Check if value
4264 may be overriden at link and run time.
4266 2008-03-10 Richard Guenther <rguenther@suse.de>
4268 PR tree-optimization/34677
4269 * tree-ssa-pre.c (modify_expr_node_pool): Remove.
4270 (poolify_tree): Likewise.
4271 (modify_expr_template): Likewise.
4272 (poolify_modify_stmt): Likewise.
4273 (insert_fake_stores): Handle all component-ref style stores
4274 in addition to INDIRECT_REF. Also handle complex types.
4275 Do not poolify the inserted load.
4276 (realify_fake_stores): Do not rebuild the tree but only
4277 make it a SSA_NAME copy.
4278 (init_pre): Remove initialzation of modify_expr_template.
4279 Do not allocate modify_expr_node_pool.
4280 (fini_pre): Do not free modify_expr_node_pool.
4282 2008-03-10 Paul Brook <paul@codesourcery.com>
4284 * config/arm/arm.md (UNSPEC_STACK_ALIGN, UNSPEC_PIC_OFFSET): Renumber
4287 2008-03-10 Paul Brook <paul@codesourcery.com>
4288 Mark Shinwell <shinwell@codesourcery.com>
4290 * config/arm/cortex-r4.md: New.
4291 * config/arm/thumb2.md (divsi3, udivsi3): Annotate with
4293 * config/arm/arm.md: Include cortex-r4.md.
4294 (insn): Add smmls, sdiv and udiv values.
4295 (generic_sched): Don't use generic scheduling for Cortex-R4.
4296 (arm_issue_rate): New function.
4297 (TARGET_SCHED_ISSUE_RATE): Define.
4299 2008-03-10 Sebastian Pop <sebastian.pop@amd.com>
4301 * doc/invoke.texi (-ftree-loop-distribution): Add an example.
4303 2008-03-10 Richard Guenther <rguenther@suse.de>
4305 * tree-ssa-pre.c (get_sccvn_value): Simplify.
4306 (compute_avail): Do not add stmt uses to AVAIL_OUT.
4308 2008-03-10 Paolo Bonzini <bonzini@gnu.org>
4310 * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS):
4311 Set default to true.
4313 2008-03-09 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4315 * c.opt (Wsynth): Deprecate.
4316 * doc/invoke.texi (Option Summary, Warning Options): Document
4317 -Wno-format-contains-nul.
4319 2008-03-09 Uros Bizjak <ubizjak@gmail.com>
4322 * config/i386/i386.c (ix86_constant_alignment): Compute alignment using
4323 ALIGN_MODE_128 for VECTOR_CST and INTEGER_CST in addition to REAL_CST.
4325 2008-03-09 Ira Rosen <irar@il.ibm.com>
4327 * config/rs6000/rs6000.c (builtin_description): Rename vector
4328 left shift operations.
4329 * config/rs6000/altivec.md (UNSPEC_VSL): Remove.
4330 (altivec_vsl<VI_char>): Rename to ...
4331 (ashl<mode>3): ... new name.
4332 (mulv4sf3, mulv4si3, negv4sf2): Replace gen_altivec_vslw with
4334 (absv4sf2): Convert to use ashift:V4SI instead of UNSPEC_VSL.
4336 2008-03-08 Richard Guenther <rguenther@suse.de>
4338 * coverage.h (tree_coverage_counter_addr): Declare.
4339 * coverage.c (tree_coverage_counter_addr): New function.
4340 * tree-profile.c (tree_gen_edge_profiler): Unshare counter
4342 (tree_gen_pow2_profiler): Use tree_coverage_counter_addr.
4343 (tree_gen_one_value_profiler): Likewise.
4344 (tree_gen_ic_profiler): Likewise.
4345 (tree_gen_average_profiler): Likewise.
4346 (tree_gen_ior_profiler): Likewise.
4348 2008-03-08 Richard Guenther <rguenther@suse.de>
4350 * tree-ssa-sccvn.h (vn_binary_op_lookup): Remove.
4351 (vn_binary_op_insert): Likewise.
4352 (vn_unary_op_lookup): Likewise.
4353 (vn_unary_op_insert): Likewise.
4354 (vn_nary_op_lookup): Declare.
4355 (vn_nary_op_insert): Likewise.
4356 * tree-ssa-sccvn.c (struct vn_tables_s): Merge unary
4357 and binary hashes, use a single obstack for unary_op_pool
4359 (struct vn_binary_op_s, struct vn_unary_op_s): Replace with
4360 a single struct vn_nary_op_s. Store tree code length and
4361 a variable number of operands.
4362 (struct vn_reference_op_struct): Remove unused op2.
4363 (vn_reference_op_eq): Do not compare op2.
4364 (vn_reference_op_compute_hash): Do not compute hash of op2.
4365 (vn_unary_op_hash, vn_binary_op_hash): Replace with vn_nary_op_hash.
4366 (vn_unary_op_compute_hash, vn_binary_op_compute_hash): Replace
4367 with vn_nary_op_compute_hash.
4368 (vn_unary_op_eq, vn_binary_op_eq): Replace with vn_nary_op_eq.
4369 (vn_unary_op_lookup, vn_binary_op_lookup): Replace with
4371 (vn_unary_op_insert, vn_binary_op_insert): Replace with
4373 (visit_unary_op): Call nary functions.
4374 (visit_binary_op): Likewise.
4375 (process_scc): Adjust for struct vn_tables_s changes.
4376 (allocate_vn_table): Likewise.
4377 (free_vn_table): Likewise.
4378 * tree-vn.c (vn_add): Call nary functions.
4379 (vn_lookup): Likewise.
4381 2008-03-08 Jakub Jelinek <jakub@redhat.com>
4384 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): Shift
4385 wdst back after sync_compare_and_swapqhi_internal.
4387 2008-03-08 Uros Bizjak <ubizjak@gmail.com>
4390 * config/i386/i386-modes.def (V1DI): New vector mode.
4391 * config/i386/i386.h (VALID_MMX_REG_MODE): Add V1DImode.
4392 * config/i386/mmx.md (MMXMODEI8): New mode iterator.
4393 (MMXMODE248): Ditto.
4394 (MMXMODE): Add V1DI mode.
4395 (mmxvecsize): Change DI mode to V1DI mode.
4396 ("mov<mode>): Use MMXMODEI8 mode iterator.
4397 ("*mov<mode>_internal_rex64"): Ditto.
4398 ("*mov<mode>_internal"): Ditto.
4399 ("mmx_add<mode>3"): Ditto. Handle V1DImode for TARGET_SSE2.
4400 ("mmx_sub<mode>3"): Ditto.
4401 ("mmx_adddi3"): Remove insn pattern.
4402 ("mmx_subdi3"): Ditto.
4403 ("mmx_ashr<mode>3"): Use SImode and "yN" constraint for operand 2.
4404 ("mmx_lshr<mode>3"): Ditto. Use MMXMODE248 mode iterator.
4405 ("mmx_ashl<mode>3"): Ditto.
4406 ("mmx_lshrdi3"): Remove insn pattern.
4407 ("mmx_ashldi3"): Ditto.
4408 * config/i386/i386.c (classify_argument): Handle V1DImode.
4409 (function_arg_advance_32): Ditto.
4410 (function_arg_32): Ditto.
4411 (struct builtin_description) [IX86_BUILTIN_PADDQ]: Use
4412 mmx_addv1di3 insn pattern.
4413 [IX86_BUILTIN_PSUBQ]: Use mmx_subv1di3 insn pattern.
4414 [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?, IX86_BUILTIN_PSRA?,
4415 IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I, IX86_BUILTIN_PSRA?I,
4416 IX86_BUILTIN_PSLL?I128, IX86_BUILTIN_PSRL?I128, IX86_BUILTIN_PSRA?I128]:
4417 Remove definitions of built-in functions.
4418 (V1DI_type_node): New node.
4419 (v1di_ftype_v1di_int): Ditto.
4420 (v1di_ftype_v1di_v1di): Ditto.
4421 (v2si_ftype_v2si_si): Ditto.
4422 (v4hi_ftype_v4hi_di): Remove node.
4423 (v2si_ftype_v2si_di): Ditto.
4424 (ix86_init_mmx_sse_builtins): Handle V1DImode.
4425 (__builtin_ia32_psll?, __builtin_ia32_psrl?, __builtin_ia32_psra?):
4426 Redefine builtins using def_builtin_const with *_ftype_*_int node.
4427 (__builtin_ia32_psll?i, __builtin_ia32_psrl?i, __builtin_ia32_psra?i):
4428 Add new builtins using def_builtin_const.
4429 (ix86_expand_builtin) [IX86_BUILTIN_PSLL?, IX86_BUILTIN_PSRL?,
4430 IX86_BUILTIN_PSRA?, IX86_BUILTIN_PSLL?I, IX86_BUILTIN_PSRL?I,
4431 IX86_BUILTIN_PSRA?I]: Handle builtin definitions.
4432 * config/i386/mmintrin.h (__v1di): New typedef.
4433 (_mm_add_si64): Cast arguments to __v1di type.
4434 (_mm_sub_si64): Ditto.
4435 (_mm_sll_pi16): Cast __count to __v4hi type.
4436 (_mm_sll_pi32): Cast __count to __v2si type.
4437 (_mm_sll_si64): Cast arguments to __v1di type.
4438 (_mm_srl_pi16): Cast __count to __v4hi type.
4439 (_mm_srl_pi32): Cast __count to __v2si type.
4440 (_mm_srl_si64): Cast arguments to __v1di type.
4441 (_mm_sra_pi16): Cast __count to __v4hi type.
4442 (_mm_sra_pi32): Cast __count to __v2si type.
4443 (_mm_slli_pi16): Use __builtin_ia32_psllwi.
4444 (_mm_slli_pi32): Use __builtin_ia32_pslldi.
4445 (_mm_slli_si64): Use __builtin_ia32_psllqi. Cast __m to __v1di type.
4446 (_mm_srli_pi16): Use __builtin_ia32_psrlwi.
4447 (_mm_srli_pi32): Use __builtin_ia32_psrldi.
4448 (_mm_srli_si64): Use __builtin_ia32_psrlqi. Cast __m to __v1di type.
4449 (_mm_srai_pi16): Use __builtin_ia32_psrawi.
4450 (_mm_srai_pi32): Use __builtin_ia32_psradi.
4451 * config/i386/i386.md (UNSPEC_NOP): Remove unspec definition.
4452 * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psll?,
4453 __builtin_ia32_psrl?, __builtin_ia32_psra?, __builtin_ia32_psll?i,
4454 __builtin_ia32_psrl?i, __builtin_ia32_psra?i]: Add new builtins.
4456 2008-03-07 Joseph Myers <joseph@codesourcery.com>
4458 * doc/include/texinfo.tex: Update to version 2008-03-07.10.
4460 2008-03-07 Peter Bergner <bergner@vnet.ibm.com>
4463 * config/rs6000/rs6000.c (rs6000_legitimize_address): Don't generate
4464 reg+const addressing for Altivec modes. Don't generate reg+reg
4465 addressing for TFmode or TDmode quantities.
4467 2008-03-07 Paolo Bonzini <bonzini@gnu.org>
4469 * c-common.c (vector_types_convertible_p): Call langhook
4470 instead of comptypes.
4472 2008-03-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4475 * tree-ssa-ccp.c (get_symbol_constant_value): Handle
4476 integral and scalar float variables which have a
4479 2008-03-06 Nathan Froyd <froydnj@codesourcery.com>
4481 * dwarf2out.c (dwarf2out_frame_debug_expr): Consult the
4482 dwarf_register_span hook when emitting unwind information for
4483 register-to-memory saves.
4484 * config/rs6000/rs6000.c (spe_synthesize_frame): Delete.
4485 (rs6000_frame_related): Remove call to spe_synthesize_frame.
4487 2008-03-06 Jakub Jelinek <jakub@redhat.com>
4489 * gimplify.c (goa_lhs_expr_p): Allow different ADDR_EXPR nodes
4490 for the same VAR_DECL.
4492 2008-03-06 Tom Tromey <tromey@redhat.com>
4495 * doc/standards.texi (Standards): Don't mention treelang.
4496 * doc/invoke.texi (Overall Options): Don't mention treelang.
4497 * doc/install.texi (Prerequisites): Don't mention bison or
4499 (Configuration): Don't mention treelang.
4500 (Building): Likewise.
4501 * doc/frontends.texi (G++ and GCC): Don't mention treelang.
4503 2008-03-06 Paolo Bonzini <bonzini@gnu.org>
4505 * simplify-rtx.c (simplify_subreg): Remove useless shifts from
4506 word-extractions out of a multi-word object.
4508 2008-03-06 Richard Guenther <rguenther@suse.de>
4510 * tree.def (BIT_FIELD_REF): Constrain result type and its precision.
4511 * tree-cfg.c (verify_expr): Verify BIT_FIELD_REF constraints on
4512 result type and precision.
4513 * expr.c (get_inner_reference): Set unsignedp based on the result
4514 type of BIT_FIELD_REF.
4515 * tree.h (BIT_FIELD_REF_UNSIGNED): Remove.
4516 * tree-sra.c (instantiate_element): Do not set BIT_FIELD_REF_UNSIGNED.
4517 (try_instantiate_multiple_fields): Likewise. Use the correct type
4519 (sra_build_assignment): Likewise.
4520 (sra_build_elt_assignment): Likewise.
4521 (sra_explode_bitfield_assignment): Likewise.
4522 * print-tree.c (print_node): Do not check BIT_FIELD_REF_UNSIGNED.
4523 * tree-vect-transform.c (vect_create_epilog_for_reduction): Do not
4524 set BIT_FIELD_REF_UNSIGNED.
4525 (vectorizable_load): Likewise.
4527 2008-03-06 Andreas Krebbel <krebbel1@de.ibm.com>
4529 * cse.c (cse_extended_basic_block): Invalidate artificial defs
4532 2008-03-06 Richard Guenther <rguenther@suse.de>
4534 * alias.c (struct alias_set_entry): Move has_zero_child field
4535 to pack with alias_set.
4537 2008-03-05 H.J. Lu <hongjiu.lu@intel.com>
4539 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4542 2008-03-05 Ian Lance Taylor <iant@google.com>
4544 * alias.h (alias_set_type): Change from HOST_WIDE_INT to int.
4546 2008-03-05 Kenneth Zadeck <zadeck@naturalbridge.com>
4548 * fwprop.c (update_df): Support width and offset parameters of
4550 * ra-conflict.c (mark_reg_store, clear_reg_in_live,
4551 global_conflicts): Change DF_REF_EXTRACT to either
4552 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4553 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4554 * df-scan.c (df_ref_record, df_defs_record,
4555 df_ref_create_structure, df_def_record_1, df_uses_record,
4556 df_get_conditional_uses, df_get_call_refs, df_insn_refs_collect,
4557 df_bb_refs_collect, df_entry_block_defs_collect,
4558 df_exit_block_uses_collect): Support new width and offset fields.
4559 (ref_extract_pool): New storage pool.
4560 (df_free_ref): New function.
4561 (df_reg_chain_unlink, df_free_collection_rec,
4562 df_sort_and_compress_refs): Call df_free_ref.
4563 (df_ref_equal_p, df_ref_compare): Compare offset and width fields
4565 (df_ref_create_structure): Allocate df_ref_extract if offset and
4566 width fields are used.
4567 (df_def_record_1): Get offset and width from ZERO_EXTRACT.
4568 (df_uses_record): Get offset and width from ZERO_EXTRACT
4570 * global.c (build_insn_chain): Change DF_REF_EXTRACT to either
4571 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4572 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4573 * df.h (df_ref_flags): Change DF_REF_EXTRACT to either
4574 DF_REF_ZERO_EXTRACT or DF_REF_SIGN_EXTRACT. Change
4575 DF_REF_STRICT_LOWER_PART to DF_REF_STRICT_LOW_PART.
4576 (df_ref_extract): New structure.
4577 (DF_REF_WIDTH, DF_REF_OFFSET): New macros.
4578 (df_ref_create): Add width and offset parameters.
4580 2008-03-05 Richard Guenther <rguenther@suse.de>
4582 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4583 Use ranges_overlap_p.
4584 (offset_overlaps_with_access): Rename
4585 to ranges_overlap_p and move ...
4586 * tree-flow-inline.h (ranges_overlap_p): ... here.
4588 * tree.h (get_inner_reference, handled_component_p): Update
4591 * tree.h (record_component_aliases, get_alias_set,
4592 alias_sets_conflict_p, alias_sets_must_conflict_p,
4593 objects_must_conflict_p): Move declarations ...
4594 * alias.h (record_component_aliases, get_alias_set,
4595 alias_sets_conflict_p, alias_sets_must_conflict_p,
4596 objects_must_conflict_p): ... here.
4597 Include coretypes.h.
4598 * Makefile.in (ALIAS_H): Add coretypes.h dependency.
4600 2008-03-05 Aldy Hernandez <aldyh@redhat.com>
4602 * cfg.c: Include tree-flow.h.
4603 (remove_edge_raw): Call redirect_edge_var_map_clear.
4604 (redirect_edge_succ_nodup): Call redirect_edge_var_map_dup.
4605 * tree-flow-inline.h (redirect_edge_var_map_def): New.
4606 (redirect_edge_var_map_result): New.
4607 * tree-cfgcleanup.c (remove_forwarder_block_with_phi): Replace
4608 PENDING_STMT use with redirect_edge_var_map_*.
4609 * tree-ssa.c (edge_var_maps): New definition.
4610 (redirect_edge_var_map_add): New.
4611 (redirect_edge_var_map_clear): New.
4612 (redirect_edge_var_map_dup): New.
4613 (redirect_edge_var_map_vector): New.
4614 (redirect_edge_var_map_destroy): New.
4615 (ssa_redirect_edge): Replace PENDING_STMT use with
4616 redirect_edge_var_map_*.
4617 (flush_pending_stmts): Same.
4618 (delete_tree_ssa): Destroy edge var map.
4619 * tree-flow.h (struct _edge_var_map): New.
4620 Define edge_var_map vector type.
4621 Declare redirect_edge_var_map_* prototypes.
4622 * Makefile.in (cfg.o): Depend on TREE_FLOW_H.
4623 * tree-cfg.c (reinstall_phi_args): Replace
4624 PENDING_STMT use with redirect_edge_var_map_*.
4626 2008-03-05 Richard Guenther <rguenther@suse.de>
4628 PR tree-optimization/35472
4629 * tree-ssa-dse.c (dse_optimize_stmt): Do not delete a store
4630 whose single use_stmt has a overlapping set of loaded and
4631 stored symbols as that use_stmt might be a noop assignment then.
4633 2008-03-05 Joel Sherrill <joel.sherrill@oarcorp.com>
4635 * gthr-rtems.h: Implement __gthread_mutex_destroy.
4637 2008-03-05 Richard Guenther <rguenther@suse.de>
4640 * tree.def (BIT_FIELD_REF): Document that operands 1 and 2
4641 should be constants.
4642 * tree-cfg.c (verify_expr): Verify it.
4643 * fold-const.c (fold_truthop): Remove code generating
4644 BIT_FIELD_REFs of structure bases.
4645 (fold_binary): Likewise.
4646 (fold_ternary): Position and size of BIT_FIELD_REFs are
4647 always host integers.
4648 (make_bit_field_ref): Remove.
4649 (optimize_bit_field_compare): Remove.
4650 (all_ones_mask_p): Remove.
4652 2008-03-05 Gabor Loki <loki@gcc.gnu.org>
4655 * rtl-factoring.c (clear_regs_live_in_seq): Fix backward steps.
4656 (split_block_and_df_analyze): New. Split basic block and rebuild
4658 (block_label_after): Use SPLIT_BLOCK_AND_DF_ANALYZE instead of
4660 (split_pattern_seq): Likewise.
4661 (erase_matching_seqs): Likewise.
4662 (split_pattern_seq): Skip return insn in case of REG_NORETURN note.
4664 2008-03-04 Geoff Keating <geoffk@apple.com>
4666 * fold-const.c (tree_single_nonnegative_warnv_p): Fix mixed
4667 declaration and code.
4668 (tree_invalid_nonnegative_warnv_p): Likewise.
4670 2008-03-05 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4672 * doc/install.texi (Testing): Correct quoting for the RUNTESTFLAGS
4673 examples. Truncate option-names then causing overfull hbox.
4675 2008-03-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4678 * configure.ac (CONFIG_SJLJ_EXCEPTIONS): Force SJLJ exceptions
4680 * configure: Rebuilt.
4682 2008-03-04 Rafael Espindola <espindola@google.com>
4684 * fold-const.c (tree_simple_nonnegative_warnv_p): New.
4685 (tree_unary_nonnegative_warnv_p): New.
4686 (tree_binary_nonnegative_warnv_p): New.
4687 (tree_single_nonnegative_warnv_p): New.
4688 (tree_invalid_nonnegative_warnv_p): New.
4689 (tree_expr_nonnegative_warnv_p): Redefine in term of the new functions.
4691 2008-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4694 * opts.c (handle_option): Postpone 'unknown option' errors only for
4697 2008-03-04 H.J. Lu <hongjiu.lu@intel.com>
4700 * config/i386/smmintrin.h (SIDD_XXX): Renamed to ...
4703 2008-03-04 Rafael Espindola <espindola@google.com>
4705 * fold-const.c (tree_unary_nonzero_warnv_p): New.
4706 (tree_binary_nonzero_warnv_p): New.
4707 (tree_single_nonzero_warnv_p): New.
4708 (tree_expr_nonzero_warnv_p): Redefine using the new functions.
4710 2008-03-04 Uros Bizjak <ubizjak@gmail.com>
4713 * fold-const.c (fold_cond_expr_with_comparison): Prevent
4714 transformations for modes that have signed zeros.
4715 * ifcvt.c (noce_try_abs): Ditto.
4717 2008-03-04 Joseph Myers <joseph@codesourcery.com>
4719 * config/i386/i386.c (override_options): Force
4720 -maccumulate-outgoing-args on if TARGET_STACK_PROBE.
4722 2008-03-04 Jan Hubicka <jh@suse.cz>
4725 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Fix typo
4728 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4730 * config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
4731 label to probe the stack.
4733 2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
4735 * gthr-win32.h [__GTHREAD_HIDE_WIN32API]
4736 (__gthr_win32_mutex_destroy): Declare.
4737 [__GTHREAD_HIDE_WIN32API] (__gthread_mutex_destroy): Use
4738 __gthr_win32_mutex_destroy.
4739 * config/i386/gthr-win32.c (__gthr_win32_mutex_destroy): Define.
4741 2008-03-03 Jan Hubicka <jh@suse.cz>
4744 * ipa-inline.c (cgraph_decide_inlining_of_small_function): Be more
4745 aggressive on inlining cold calls.
4747 2008-03-03 Richard Guenther <rguenther@suse.de>
4749 * tree-ssa-sccvn.c (visit_reference_op_store): Do not insert
4750 struct copies into the expression table.
4751 (simplify_unary_expression): Handle VIEW_CONVERT_EXPR.
4752 (try_to_simplify): Likewise.
4753 * fold-const.c (fold_unary): Fold VIEW_CONVERT_EXPR of
4754 integral and pointer arguments which do not change the
4755 precision to NOP_EXPRs.
4756 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Adjust
4757 VIEW_CONVERT_EXPR case.
4759 2008-03-02 Sebastian Pop <sebastian.pop@amd.com>
4761 * tree-scalar-evolution.c (instantiate_parameters_1): An SSA_NAME
4762 defined in a loop at depth 0 is invariant.
4763 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4764 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Should never
4765 be called at loop depth 0.
4767 2008-03-02 Jakub Jelinek <jakub@redhat.com>
4770 * gcc.c (process_command): Update copyright notice dates.
4771 * gcov.c (print_version): Likewise.
4772 * gcov-dump.c (print_version): Likewise.
4773 * mips-tfile.c (main): Likewise.
4774 * mips-tdump.c (main): Likewise.
4776 2008-03-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4779 * c-common.c (flag_permissive): Delete.
4780 (constant_expression_warnings): Check flags first.
4781 (constant_expression_error): New.
4782 * c-common.h (flag_permissive): Delete.
4783 (constant_expression_error): Declare.
4784 * flags.h (flag_permissive): Declare. Update description.
4785 * diagnostic.c (pedwarn): Update.
4787 * diagnostic.h: (pedantic_error_kind): Rename as pedantic_warning_kind.
4788 (permissive_error_kind): New.
4789 * toplev.c (flag_permissive): Define. Update description.
4790 * toplev.h (permissive_error_kind): Declare.
4791 * c-errors.c (pedwarn_c99): Use pedantic_warning_kind.
4792 (pedwarn_c90): Use pedantic_warning_kind.
4793 * c-opts.c (c_common_post_options): flag_permissive does not affect
4794 flag_pedantic_errors.
4796 2008-03-02 Joseph Myers <joseph@codesourcery.com>
4798 * libgcc2.c (__addvSI3, __addvsi3, __addvDI3, __subvSI3,
4799 __subvsi3, __subvDI3, __negvSI2, __negvsi2, __negvDI2, __absvSI2,
4800 __absvsi2, __absvDI2): Use unsigned arithmetic.
4802 2008-03-02 Andi Kleen <ak@suse.de>
4803 Richard Guenther <rguenther@suse.de>
4805 * struct-equiv.c: Remove file.
4806 * cfg_cleanup.c (condjump_equiv_p): Remove.
4807 * Makefile.in (OBJS-common): Remove struct-equiv.o.
4808 (struct-equiv.o): Remove rule.
4809 * basic-block.h (struct_equiv_checkpoint, STRUCT_EQUIV_*,
4810 insns_match_p, struct_equiv_block_eq, struct_equiv_init,
4811 rtx_equiv_p, condjump_equiv_p): Remove prototypes.
4813 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4815 * ifcvt.c (noce_process_if_block): Try to handle only the then
4816 block if the else block exists but isn't suitable.
4818 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4821 * gthr-posix.h (__gthread_mutex_destroy): Remove extra declarations.
4822 * gthr-posix95.h (__gthread_mutex_destroy): Likewise. Note this fixes
4823 regression from previous patch.
4825 2008-03-01 Janne Blomqvist <jb@gcc.gnu.org>
4828 * gthr.h: Add __gthread_mutex_destroy as a function that must be
4830 * gthr-vxworks.h (__gthread_mutex_destroy): Null implementation.
4831 * gthr-single.h (__gthread_mutex_destroy): Likewise.
4832 * gthr-rtems.h (__gthread_mutex_destroy): Likewise.
4833 * gthr-mipssde.h (__gthread_mutex_destroy): Likewise.
4834 * gthr-nks.h (__gthread_mutex_destroy): Likewise.
4835 * gthr-solaris.h (__gthread_mutex_destroy): Call mutex_destroy.
4836 * gthr-win32.h (__GTHREAD_MUTEX_DESTROY_FUNCTION): Remove.
4837 (__gthread_mutex_destroy_function): Rename to
4838 __gthread_mutex_destroy.
4839 * gthr-dce.h (__gthread_mutex_destroy): Call
4840 pthread_mutex_destroy.
4841 * gthr-tpf.h (__gthread_mutex_destroy): Likewise.
4842 * gthr-posix.h (__gthread_mutex_destroy): Likewise.
4843 * gthr-posix95.h (__gthread_mutex_destroy): Likewise.
4845 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4847 * df-scan.c (df_ref_chain_change_bb): Simplify.
4848 (df_insn_change_bb): Add new_bb argument. Simplify. Call
4849 set_block_for_insn if there's any change.
4850 * df.h ((df_insn_change_bb): Fix prototype.
4851 * cfgrtl.c (update_bb_for_insn_chain): Pass bb to
4852 df_insn_change_bb, don't call set_block_for_insn.
4853 * emit-rtl.c (reorder_insns): Likewise.
4854 * haifa-sched.c (move_insn): Likewise.
4856 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4858 * rtlanal.c (loc_mentioned_in_p): Test XVECEXPs correctly.
4860 2008-03-01 Alexandre Oliva <aoliva@redhat.com>
4862 * tree-flow-inline.h (next_readonly_imm_use): Return
4863 NULL_USE_OPERAND_P after the end.
4865 2008-03-01 Richard Guenther <rguenther@suse.de>
4867 PR tree-optimization/35411
4868 * tree-sra.c (sra_build_assignment): Split conversion to
4869 final type to a separate statement if we are not assigning
4872 2008-02-29 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4874 * fold-const.c (fold_convertible_p): Correct the logic to follow
4875 that in fold_convert().
4877 2008-02-29 Douglas Gregor <doug.gregor@gmail.com>
4880 * tree-inline.c (build_duplicate_type): When we make a
4881 duplicate type, make it unique in the canonical types system.
4883 2008-02-29 Tom Tromey <tromey@redhat.com>
4885 * toplev.c (input_file_stack, input_file_stack_tick, fs_p,
4886 input_file_stack_history, input_file_stack_restored): Remove.
4887 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4888 * input.h (struct file_stack): Remove.
4889 (push_srcloc, pop_srcloc, restore_input_file_stack): Likewise.
4890 (input_file_stack, input_file_stack_tick, INPUT_FILE_STACK_BITS):
4892 * diagnostic.h (struct diagnostic_context) <last_module>: Change
4894 (diagnostic_last_module_changed): Add 'map' argument.
4895 (diagnostic_set_last_function): Likewise.
4896 * diagnostic.c (undiagnostic_report_current_module): Iterate using
4897 line map, not input_file_stack.
4898 * c-lex.c (fe_file_change): Don't use push_srcloc or pop_srcloc.
4900 2008-02-29 Paul Brook <paul@codesourcery.com>
4902 * config/arm/arm.md (arm_addsi3): Add r/k/n alternative.
4904 2008-02-29 Paul Brook <paul@codesourcery.com>
4906 * config/arm/ieee754-df.S (muldf3): Use RET macros.
4908 2008-02-29 Richard Guenther <rguenther@suse.de>
4910 * tree-ssa-pre.c (get_sccvn_value): Create missing VNs via
4912 * tree-ssa-sccnv.c (visit_reference_op_store): Use the rhs
4913 value for comparing for a store match.
4914 (simplify_unary_expression): Do nothing for SSA_NAMEs.
4915 (try_to_simplify): Do not do a full-blown reference lookup.
4917 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4919 * config/sh/sh.c (sh_scalar_mode_supported_p): New function.
4920 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
4922 * config/sh/sh.h (OVERRIDE_OPTIONS): Don't warn for profiling.
4924 2008-02-29 Sebastian Pop <sebastian.pop@amd.com>
4926 * tree-loop-linear.c (try_interchange_loops): Compare memory access
4927 strides against cache sizes.
4929 2008-02-29 Kaz Kojima <kkojima@gcc.gnu.org>
4931 * config/sh/sh.c (sh_secondary_reload): Handle loading a float
4934 2008-02-28 Richard Sandiford <rsandifo@nildram.co.uk>
4936 * simplify-rtx.c (simplify_unary_operation_1): Extend the handling
4937 of SUBREG_PROMOTED_VAR_P to cope with cases where the extended value
4938 is smaller than the original promoted value.
4939 (simplify_subreg): If OP is a SUBREG, try to preserve its
4940 SUBREG_PROMOTED_VAR_P information.
4942 2008-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4944 * tree-ssa-sccvn (vn_ssa_aux_obstack): New obstack.
4945 (VN_INFO_GET): Allocate new objects on the obstack.
4946 (init_scc_vn): Initialize the obstack. Use XDELETE instead of free
4947 for rpo_numbers_temp, for consistency.
4948 (free_scc_vn): Free the obstack.
4950 2008-02-28 Sebastian Pop <sebastian.pop@amd.com>
4952 * doc/invoke.texi: Document -ftree-loop-distribution.
4953 * tree-loop-distribution.c: New.
4954 * tree-pass.h (pass_loop_distribution): New.
4955 * graphds.h (struct graph): Add htab_t indices.
4956 * timevar.def (TV_TREE_LOOP_DISTRIBUTION): New.
4957 * tree-vectorizer.c (rename_variables_in_loop): Extern.
4958 (slpeel_tree_duplicate_loop_to_edge_cfg): Init PENDING_STMT to NULL.
4959 * tree-vectorizer.h (tree_duplicate_loop_on_edge): Declared.
4960 * tree-data-ref.c (debug_data_dependence_relations): New.
4961 (dump_data_dependence_relation): Also print data references.
4962 (free_data_ref): Extern.
4963 (same_access_functions): Moved...
4964 (find_vertex_for_stmt): Renamed rdg_vertex_for_stmt.
4965 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4966 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg_1, dot_rdg,
4967 struct rdg_vertex_info, rdg_vertex_for_stmt): New.
4968 (create_rdg_edge_for_ddr, create_rdg_vertices): Cleaned up.
4969 (stmts_from_loop): Skip LABEL_EXPR.
4970 (hash_stmt_vertex_info, eq_stmt_vertex_info, hash_stmt_vertex_del):
4972 (build_rdg): Initialize rdg->indices htab.
4973 (free_rdg, stores_from_loop, ref_base_address,
4974 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses,
4975 have_similar_memory_accesses_1, ref_base_address_1,
4976 remove_similar_memory_refs): New.
4977 * tree-data-ref.h: Depend on tree-chrec.h.
4978 (debug_data_dependence_relations, free_data_ref): Declared.
4979 (same_access_functions): ... here.
4980 (ddr_is_anti_dependent, ddrs_have_anti_deps, ddr_dependence_level):
4982 (struct rdg_vertex): Add has_mem_write and has_mem_reads.
4983 (RDGV_HAS_MEM_WRITE, RDGV_HAS_MEM_READS, RDG_STMT,
4984 RDG_MEM_WRITE_STMT, RDG_MEM_READS_STMT): New.
4985 (dump_rdg_vertex, debug_rdg_vertex, dump_rdg_component,
4986 debug_rdg_component, dump_rdg, debug_rdg, dot_rdg,
4987 rdg_vertex_for_stmt): Declared.
4988 (struct rdg_edge): Add level.
4990 (free_rdg, stores_from_loop, remove_similar_memory_refs,
4991 rdg_defs_used_in_other_loops_p, have_similar_memory_accesses):
4993 (rdg_has_similar_memory_accesses): New.
4994 * tree-vect-analyze.c: Remove unused static decls.
4995 * lambda.h (dependence_level): New.
4996 * common.opt (ftree-loop-distribution): New.
4997 * tree-flow.h (mark_virtual_ops_in_bb,
4998 slpeel_tree_duplicate_loop_to_edge_cfg,
4999 rename_variables_in_loop): Declared.
5000 * Makefile.in (TREE_DATA_REF_H): Depend on tree-chrec.h.
5001 (OBJS-common): Add tree-loop-distribution.o.
5002 (tree-loop-distribution.o): New rule.
5003 * tree-cfg.c (mark_virtual_ops_in_bb): New.
5004 (mark_virtual_ops_in_region): Use mark_virtual_ops_in_bb.
5005 * passes.c (init_optimization_passes): Schedule pass_loop_distribution.
5007 2008-02-28 Joseph Myers <joseph@codesourcery.com>
5010 * tree.c (handle_dll_attribute): Disallow TYPE_DECLs for types
5011 other than structures and unions.
5013 2008-02-28 Richard Guenther <rguenther@suse.de>
5016 2008-02-26 Richard Guenther <rguenther@suse.de>
5018 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5019 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5020 (lookup_decl_from_uid): Declare.
5021 (remove_decl_from_map): Likewise.
5022 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5023 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5024 (decl_for_uid_map): New global hashtable mapping DECL_UID
5026 (init_ttree): Allocate it.
5027 (insert_decl_to_uid_decl_map): New helper function.
5028 (make_node_stat): Insert new decls into the map.
5029 (copy_node_stat): Likewise.
5030 (lookup_decl_from_uid): New function.
5031 (remove_decl_from_map): Likewise.
5032 (print_decl_for_uid_map_statistics): New helper.
5033 (dump_tree_statistics): Call it.
5035 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5036 (referenced_var_iterator): Adjust.
5037 (FOR_EACH_REFERENCED_VAR): Adjust.
5038 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5039 (num_referenced_vars): Adjust.
5040 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5041 (first_referenced_var): Remove.
5042 (end_referenced_vars_p): Likewise.
5043 (next_referenced_var): Likewise.
5044 (referenced_var_iterator_set): New helper function.
5045 * tree-dfa.c (referenced_var_lookup): Adjust.
5046 (referenced_var_check_and_insert): Likewise.
5047 (remove_referenced_var): Likewise.
5048 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5049 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5050 (verify_call_clobbering): Likewise.
5051 (verify_memory_partitions): Likewise.
5052 (init_tree_ssa): Allocate bitmap instead of hashtable for
5054 (delete_tree_ssa): Adjust.
5055 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5056 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5057 (compute_tag_properties): Likewise.
5058 (set_initial_properties): Likewise.
5059 (find_partition_for): Likewise.
5060 (update_reference_counts): Likewise.
5061 (dump_may_aliases_for): Likewise.
5062 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5063 (add_call_clobber_ops): Likewise.
5064 (add_call_read_ops): Likewise.
5065 (get_asm_expr_operands): Likewise.
5066 * tree-into-ssa.c (dump_decl_set): Likewise.
5067 (update_ssa): Likewise.
5068 * tree-sra.c (scan_function): Likewise.
5069 (decide_instantiations): Likewise.
5070 (scalarize_parms): Likewise.
5071 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5072 (dsa_named_for): Likewise.
5073 * tree-ssa-structalias.c (update_alias_info): Likewise.
5074 (merge_smts_into): Likewise.
5076 2008-02-27 David Daney <ddaney@avtrex.com>
5079 * config/mips/iris.h (MIPS_DEBUGGING_INFO): Define.
5080 * config/mips/openbsd.h (MIPS_DEBUGGING_INFO): Same.
5081 * config/mips/sde.h (MIPS_DEBUGGING_INFO): Remove undef.
5082 * config/mips/vxworks.h (MIPS_DEBUGGING_INFO): Same.
5083 * config/mips/mips.h (MIPS_DEBUGGING_INFO): Remove define.
5085 2008-02-27 Uros Bizjak <ubizjak@gmail.com>
5088 * config/darwin-ppc-ldouble-patch.def (BUILT_IN_NANL): Add.
5089 (BUILT_IN_NEXTTOWARD): Remove.
5090 (BUILT_IN_NEXTTOWARDF): Ditto.
5091 * config/darwin.c (darwin_patch_builtin): Use ACONCAT instead of
5092 alloca/strcpy/strcat. Remove commented-out code. Fix whitespace.
5094 2008-02-27 Tom Tromey <tromey@redhat.com>
5096 * tree-dump.c (dequeue_and_dump) <FUNCTION_DECL>: Check
5097 DECL_SAVED_TREE, not DECL_LANG_SPECIFIC, when dumping body.
5099 2008-02-27 Jan Beulich <jbeulich@novell.com>
5101 * c-decl.c (merge_decls): Use DECL_USER_ALIGN() on olddecl to
5102 update the respective field on newdecl.
5104 2008-02-27 Revital Eres <eres@il.ibm.com>
5106 PR rtl-optimization/34999
5107 * bb-reorder.c (add_labels_and_missing_jumps): Do not handle
5108 crossing edges that ends with a call insn.
5109 (fix_up_fall_thru_edges): Handle crossing edges that ends with a
5110 call insn and clear the EDGE_CROSSING flag of the crossing edge
5111 when fixing fallthru edges.
5113 2008-02-27 Richard Guenther <rguenther@suse.de>
5116 * fold-const.c (fold_unary): Return the correct argument,
5117 converted to the result type.
5119 2008-02-27 Richard Guenther <rguenther@suse.de>
5122 * expr.c (expand_expr_real_1): Assert on rotates that operate
5124 * fold-const.c (fold_binary): Use the types precision, not the
5125 bitsize of the mode if folding rotate expressions. Build rotates
5126 only for full modes.
5128 2008-02-27 Jakub Jelinek <jakub@redhat.com>
5130 * c-ppoutput.c (scan_translation_unit): Handle CPP_PRAGMA
5132 * c-pragma.c (pragma_ns_name): New typedef.
5133 (registered_pp_pragmas): New variable.
5134 (c_pp_lookup_pragma): New function.
5135 (c_register_pragma_1): If flag_preprocess_only, do nothing
5136 for non-expanded pragmas, for expanded ones push pragma's
5137 namespace and name into registered_pp_pragmas vector.
5138 (c_invoke_pragma_handler): Register OpenMP pragmas even when
5139 flag_preprocess_only, don't register GCC pch_preprocess
5140 pragma if flag_preprocess_only.
5141 * c-opts.c (c_common_init): Call init_pragma even if
5142 flag_preprocess_only.
5143 * c-pragma.c (c_pp_lookup_pragma): New prototype.
5144 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Don't call
5145 cpp_register_pragma if flag_preprocess_only.
5147 2008-02-26 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5150 * c-parser.c (c_parser_translation_unit): Warn for empty
5151 translation unit, not empty source file.
5153 2008-02-26 Paul Brook <paul@codesourcery.com>
5155 * config/arm/arm.c (thumb_set_frame_pointer): Ensure SP is first
5156 operand for Thumb-2.
5157 * config/arm/arm.h (reg_class): Add CORE_REGS.
5158 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Ditto.
5159 (BASE_REG_CLASS): Use CORE_REGS.
5160 (PREFERRED_RELOAD_CLASS): Add STACK_REG.
5161 (REGNO_MODE_OK_FOR_REG_BASE_P): Use REGNO_MODE_OK_FOR_BASE_P.
5162 (REGNO_OK_FOR_INDEX_P): Exclude SP.
5163 (ARM_REG_OK_FOR_INDEX_P): Always define. Use
5164 ARM_REGNO_OK_FOR_INDEX_P.
5165 (ARM_PRINT_OPERAND_ADDRESS): Swap operands for [reg, sp].
5166 * config/arm/arm.md (arm_addsi3, thumb1_addsi3, arm_subsi3_insn,
5167 arm_movsi_insn, thumb1_movsi_insni, stack_tie): Add "k" alternatives.
5168 (ldm/stm peepholes): Ditto.
5169 * config/arm/thumb2.md (thumb2_movdi): Add "k" alternatives.
5170 * config/arm/vfp.md (arm_movsi_vfp, thumb2_movsi_vfp): Ditto.
5171 * config/arm/iwmmxt.md (iwmmxt_movsi_insn): Ditto.
5172 * config/arm/constraints.md: Enable "k" constraint on ARM.
5174 2008-02-27 Ben Elliston <bje@au.ibm.com>
5176 * config/rs6000/rs6000.c: Annotate cache line size field in all
5177 instances of struct processor_costs.
5179 2008-02-26 David Edelsohn <edelsohn@gnu.org>
5181 * dbgcnt.def (cfg_cleanup, cprop1, cprop2, dce_fast, dce_ud, dse1,
5182 dse2, gcse, if_conversion, if_after_combine, if_after_reload,
5183 jump_bypass): New counters.
5184 * cfgcleanup.c (cleanup_cfg): Add dbg_cnt.
5185 * dce.c (gate_ud_dce): Same.
5186 (gate_fast_dce): Same.
5187 * dse.c (gate_dse1): New function.
5188 (gate_dse2): New function.
5189 (gate_dse): Merge results of new gate functions.
5190 * gcse.c (gcse_main): Bracket cprop1 and cprop2 with dbg_cnt.
5191 (gate_handle_jump_bypass): Add dbg_cnt.
5192 (gate_handle_gcse): Add dbg_cnt.
5193 * ifcvt.c (gate_handle_if_conversion): Same.
5194 (gate_handle_if_after_combine): Same.
5195 (gate_handle_if_after_reload): Same.
5196 * Makefile.in: Add DBGCNT_H to cfgcleanup.o and ifcvt.o.
5198 2008-02-26 Edmar Wienskoski <edmar@freescale.com>
5200 * config/rs6000/rs6000.c (processor_costs): Update e300 cache
5202 * doc/invoke.texi: Add e300c2 and e300c3 to list of cpus.
5204 2008-02-26 Jason Merrill <jason@redhat.com>
5207 * attribs.c (decl_attributes): Leave ATTR_FLAG_TYPE_IN_PLACE
5208 alone if it's the naming decl for the type's main variant.
5210 2008-02-26 Tom Tromey <tromey@redhat.com>
5212 * system.h (USE_MAPPED_LOCATION): Poison.
5213 * Makefile.in (GTFILES): Put CPP_ID_DATA_H first.
5214 * tree-cfg.c (make_cond_expr_edges): Remove old location code.
5215 (make_goto_expr_edges): Likewise.
5216 (remove_bb): Likewise.
5217 (execute_warn_function_return): Likewise.
5218 * basic-block.h (struct edge_def) <goto_locus>: Change type to
5220 * c-common.c (fname_decl): Remove old location code.
5221 * tree-vect-transform.c (vect_finish_stmt_generation): Remove old
5223 * rtl.h (ASM_OPERANDS_SOURCE_LOCATION): Remove old-location
5225 (ASM_INPUT_SOURCE_LOCATION): Likewise.
5226 (gen_rtx_ASM_INPUT): Likewise.
5227 (gen_rtx_ASM_INPUT_loc): Likewise.
5228 (get_rtx_asm_OPERANDS): Remove.
5229 * cfglayout.c (insn_locators_alloc): Remove old location code.
5230 (set_curr_insn_source_location): Likewise.
5231 (curr_insn_locator): Likewise.
5232 * print-tree.c (print_node): Remove old location code.
5233 * tree-mudflap.c (mf_varname_tree): Remove old location code.
5234 (mf_file_function_line_tree): Remove test of USE_MAPPED_LOCATION.
5235 * cfgexpand.c (expand_gimple_cond_expr): Don't use
5236 location_from_locus.
5237 (construct_exit_block): Remove old location code.
5238 * emit-rtl.c (force_next_line_note): Remove old location code.
5239 * profile.c (branch_prob): Remove old location code.
5240 * tree-vectorizer.h (LOC, UNKNOWN_LOC, EXPR_LOC, LOC_FILE,
5241 LOC_LINE): Remove old-location variants.
5242 * langhooks.c (lhd_print_error_function): Remove old location
5244 * configure, config.in: Rebuilt.
5245 * configure.ac (--enable-mapped-location): Remove.
5246 * c-decl.c (c_init_decl_processing): Remove old location code.
5247 (finish_function): Likewise.
5248 * recog.c (decode_asm_operands): Remove old location code.
5249 * c-pch.c (c_common_read_pch): Remove old location code.
5250 * rtl.def (ASM_INPUT, ASM_OPERANDS): Remove old location
5252 * gimple-low.c (lower_function_body): Remove old location code.
5253 * toplev.c (unknown_location): Remove.
5254 (push_srcloc): Remove old-location variant.
5255 (process_options): Remove old location code.
5256 (lang_dependent_init): Likewise.
5257 * input.h (UNKNOWN_LOCATION): Move definition.
5258 (location_t): Undeprecate.
5259 (source_locus): Remove.
5260 (location_from_locus): Remove.
5261 (struct location_s): Remove.
5262 Remove all old-location code.
5263 (input_line, input_filename): Remove.
5264 * final.c (final_scan_insn): Remove old location code.
5265 * diagnostic.c (diagnostic_build_prefix): Remove
5266 USE_MAPPED_LOCATION test.
5267 * tree.h (gimple_stmt) <locus>: Now a location_t.
5268 (tree_exp) <locus>: Likewise.
5269 (DECL_IS_BUILTIN): Remove old-location variant.
5270 (annotate_with_file_line, annotate_with_locus): Likewise.
5271 (expr_locus, set_expr_locus): Update.
5272 * tree.c (build1_stat): Remove old location code.
5273 (last_annotated_node): Remove.
5274 (annotate_with_file_line): Remove old-location variant.
5275 (annotate_with_locus): Likewise.
5276 (expr_location): Remove old location code.
5277 (set_expr_location): Likewise.
5278 (expr_has_location): Likewise.
5279 (expr_locus): Likewise.
5280 (set_expr_locus): Likewise.
5281 (expr_filename): Don't use location_from_locus.
5282 (expr_lineno): Likewise.
5283 * rtl-error.c (location_for_asm): Remove old location code.
5284 * c-lex.c (cb_line_change): Remove old location code.
5285 (fe_file_change): Likewise.
5286 (cb_def_pragma): Likewise.
5287 (c_lex_with_flags): Likewise.
5288 * gengtype.c (do_typedef): Don't special-case location types.
5289 (define_location_structures): Remove.
5290 (main): Don't call define_location_structures.
5291 * tree-pretty-print.c (dump_implicit_edges): Remove old location
5294 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5297 * builtins.def (BUILT_IN_STDARG_START): Remove.
5298 * builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
5299 * tree-stdarg.c (execute_optimize_stdarg): Likewise.
5300 * tree-inline.c (inline_forbidden_p_1): Likewise.
5302 2008-02-26 Richard Guenther <rguenther@suse.de>
5304 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5305 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5306 (lookup_decl_from_uid): Declare.
5307 (remove_decl_from_map): Likewise.
5308 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5309 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5310 (decl_for_uid_map): New global hashtable mapping DECL_UID
5312 (init_ttree): Allocate it.
5313 (insert_decl_to_uid_decl_map): New helper function.
5314 (make_node_stat): Insert new decls into the map.
5315 (copy_node_stat): Likewise.
5316 (lookup_decl_from_uid): New function.
5317 (remove_decl_from_map): Likewise.
5318 (print_decl_for_uid_map_statistics): New helper.
5319 (dump_tree_statistics): Call it.
5321 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5322 (referenced_var_iterator): Adjust.
5323 (FOR_EACH_REFERENCED_VAR): Adjust.
5324 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5325 (num_referenced_vars): Adjust.
5326 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5327 (first_referenced_var): Remove.
5328 (end_referenced_vars_p): Likewise.
5329 (next_referenced_var): Likewise.
5330 (referenced_var_iterator_set): New helper function.
5331 * tree-dfa.c (referenced_var_lookup): Adjust.
5332 (referenced_var_check_and_insert): Likewise.
5333 (remove_referenced_var): Likewise.
5334 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5335 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5336 (verify_call_clobbering): Likewise.
5337 (verify_memory_partitions): Likewise.
5338 (init_tree_ssa): Allocate bitmap instead of hashtable for
5340 (delete_tree_ssa): Adjust.
5341 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5342 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5343 (compute_tag_properties): Likewise.
5344 (set_initial_properties): Likewise.
5345 (find_partition_for): Likewise.
5346 (update_reference_counts): Likewise.
5347 (dump_may_aliases_for): Likewise.
5348 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5349 (add_call_clobber_ops): Likewise.
5350 (add_call_read_ops): Likewise.
5351 (get_asm_expr_operands): Likewise.
5352 * tree-into-ssa.c (dump_decl_set): Likewise.
5353 (update_ssa): Likewise.
5354 * tree-sra.c (scan_function): Likewise.
5355 (decide_instantiations): Likewise.
5356 (scalarize_parms): Likewise.
5357 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5358 (dsa_named_for): Likewise.
5359 * tree-ssa-structalias.c (update_alias_info): Likewise.
5360 (merge_smts_into): Likewise.
5362 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5365 * doc/invoke.texi (-Wall): Add -Wvolatile-register-var.
5366 * c-opts.c (c_common_handle_option): Wall enables
5367 Wvolatile-register-var.
5368 * common.opt: Move Wvolatile-register-var to...
5371 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5373 * common.opt (Wlarger-than=): New.
5374 * doc/invoke.texi (Warning Options): Replace -Wlarger-than- with
5376 * opts.c (common_handle_option): Handle -Wlarger-than=.
5377 * optc-gen.awk: Likewise.
5378 * opth-gen.awk: Likewise.
5379 * stor-layout.c (layout_decl): Use -Wlarger-than= for warning.
5380 * tree-optimize.c (tree_rest_of_compilation): Likewise.
5382 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5384 * c-common.c (match_case_to_enum_1): Add appropriate
5385 OPT_W* parameter to warning.
5386 (c_do_switch_warnings): Likewise.
5387 * c-typeck.c (warning_init): Add one more parameter following
5389 (push_init_level): Update call to warning_init.
5390 (pop_init_level): Likewise.
5391 (add_pending_init): Likewise.
5392 (output_init_element: Likewise.
5394 2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5397 * toplev.c (toplev_main): If there are warnings or error, print
5398 errors for ignored options.
5399 * opts.c (ignored_options): New static variable.
5400 (postpone_unknown_option_error): New.
5401 (print_ignored_options): New.
5402 (handle_option): Postpone errors for unknown -Wno-* options.
5403 * opts.h (print_ignored_options): Declare.
5405 2008-02-25 Richard Sandiford <rsandifo@nildram.co.uk>
5407 * config/mips/mips.md (loadgp_blockage, blockage): Change type
5410 2008-02-25 Richard Guenther <rguenther@suse.de>
5413 2008-02-25 Richard Guenther <rguenther@suse.de>
5415 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5416 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5417 (lookup_decl_from_uid): Declare.
5418 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5419 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5420 (decl_for_uid_map): New global hashtable mapping DECL_UID
5422 (init_ttree): Allocate it.
5423 (insert_decl_to_uid_decl_map): New helper function.
5424 (make_node_stat): Insert new decls into the map.
5425 (copy_node_stat): Likewise.
5426 (lookup_decl_from_uid): New function.
5427 (print_decl_for_uid_map_statistics): New helper.
5428 (dump_tree_statistics): Call it.
5430 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5431 (referenced_var_iterator): Adjust.
5432 (FOR_EACH_REFERENCED_VAR): Adjust.
5433 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5434 (num_referenced_vars): Adjust.
5435 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5436 (first_referenced_var): Remove.
5437 (end_referenced_vars_p): Likewise.
5438 (next_referenced_var): Likewise.
5439 (referenced_var_iterator_set): New helper function.
5440 * tree-dfa.c (referenced_var_lookup): Adjust.
5441 (referenced_var_check_and_insert): Likewise.
5442 (remove_referenced_var): Likewise.
5443 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5444 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5445 (verify_call_clobbering): Likewise.
5446 (verify_memory_partitions): Likewise.
5447 (init_tree_ssa): Allocate bitmap instead of hashtable for
5449 (delete_tree_ssa): Adjust.
5450 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5451 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5452 (compute_tag_properties): Likewise.
5453 (set_initial_properties): Likewise.
5454 (find_partition_for): Likewise.
5455 (update_reference_counts): Likewise.
5456 (dump_may_aliases_for): Likewise.
5457 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5458 (add_call_clobber_ops): Likewise.
5459 (add_call_read_ops): Likewise.
5460 (get_asm_expr_operands): Likewise.
5461 * tree-into-ssa.c (dump_decl_set): Likewise.
5462 (update_ssa): Likewise.
5463 * tree-sra.c (scan_function): Likewise.
5464 (decide_instantiations): Likewise.
5465 (scalarize_parms): Likewise.
5466 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5467 (dsa_named_for): Likewise.
5468 * tree-ssa-structalias.c (update_alias_info): Likewise.
5469 (merge_smts_into): Likewise.
5471 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5474 * doc/invoke.texi (-fcx-limited-range): Document new option.
5475 * toplev.c (process_options): Handle -fcx-fortran-rules.
5476 * common.opt: Add documentation for -fcx-fortran-rules.
5478 2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>
5481 * doc/invoke.texi (-fcx-limited-range): Correct to be in line with
5482 actual behaviour and C99.
5484 2008-02-26 Ben Elliston <bje@au.ibm.com>
5486 * config/rs6000/rs6000.h (ASM_CPU_POWER5_SPEC): Define.
5487 (ASM_CPU_POWER6_SPEC): Likewise.
5488 (ASM_CPU_SPEC): Pass %(asm_cpu_power5) for -mcpu=power5.
5489 Likewise, pass %(asm_cpu_power6) for -mcpu=power6.
5490 (EXTRA_SPECS): Add asm_cpu_power5, asm_cpu_power6 spec strings.
5492 2008-02-25 Richard Guenther <rguenther@suse.de>
5494 * tree-flow.h (uid_decl_map_hash, uid_decl_map_eq): Move ...
5495 * tree.h (uid_decl_map_hash, uid_decl_map_eq): ... here.
5496 (lookup_decl_from_uid): Declare.
5497 * tree-ssa.c (uid_decl_map_eq, uid_decl_map_hash): Move ...
5498 * tree.c (uid_decl_map_eq, uid_decl_map_hash): ... here.
5499 (decl_for_uid_map): New global hashtable mapping DECL_UID
5501 (init_ttree): Allocate it.
5502 (insert_decl_to_uid_decl_map): New helper function.
5503 (make_node_stat): Insert new decls into the map.
5504 (copy_node_stat): Likewise.
5505 (lookup_decl_from_uid): New function.
5506 (print_decl_for_uid_map_statistics): New helper.
5507 (dump_tree_statistics): Call it.
5509 * tree-flow.h (struct gimple_df): Make referenced_vars a bitmap.
5510 (referenced_var_iterator): Adjust.
5511 (FOR_EACH_REFERENCED_VAR): Adjust.
5512 (FOR_EACH_REFERENCED_VAR_IN_BITMAP): New iterator.
5513 (num_referenced_vars): Adjust.
5514 * tree-flow-inline.h (gimple_referenced_vars): Adjust.
5515 (first_referenced_var): Remove.
5516 (end_referenced_vars_p): Likewise.
5517 (next_referenced_var): Likewise.
5518 (referenced_var_iterator_set): New helper function.
5519 * tree-dfa.c (referenced_var_lookup): Adjust.
5520 (referenced_var_check_and_insert): Likewise.
5521 (remove_referenced_var): Likewise.
5522 * tree-ssa.c (verify_flow_insensitive_alias_info): Use
5523 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5524 (verify_call_clobbering): Likewise.
5525 (verify_memory_partitions): Likewise.
5526 (init_tree_ssa): Allocate bitmap instead of hashtable for
5528 (delete_tree_ssa): Adjust.
5529 * tree-ssa-alias.c (mark_aliases_call_clobbered): Use
5530 FOR_EACH_REFERENCED_VAR_IN_BITMAP.
5531 (compute_tag_properties): Likewise.
5532 (set_initial_properties): Likewise.
5533 (find_partition_for): Likewise.
5534 (update_reference_counts): Likewise.
5535 (dump_may_aliases_for): Likewise.
5536 * tree-ssa-operands.c (add_virtual_operand): Likewise.
5537 (add_call_clobber_ops): Likewise.
5538 (add_call_read_ops): Likewise.
5539 (get_asm_expr_operands): Likewise.
5540 * tree-into-ssa.c (dump_decl_set): Likewise.
5541 (update_ssa): Likewise.
5542 * tree-sra.c (scan_function): Likewise.
5543 (decide_instantiations): Likewise.
5544 (scalarize_parms): Likewise.
5545 * tree-ssa-alias-warnings.c (build_reference_table): Likewise.
5546 (dsa_named_for): Likewise.
5547 * tree-ssa-structalias.c (update_alias_info): Likewise.
5548 (merge_smts_into): Likewise.
5550 2008-02-25 Andreas Krebbel <krebbel1@de.ibm.com>
5553 * cse.c (cse_insn): Avoid creation of overlapping MEMs.
5554 * alias.c (nonoverlapping_memrefs_p): Export for use in other modules.
5555 * alias.h (nonoverlapping_memrefs_p): Likewise.
5557 2008-02-25 Jan Beulich <jbeulich@novell.com>
5559 * Makefile.in: Also prefix uses of crt0.o and mcrt0.o with $(T).
5560 * config/i386/netware-libgcc.exp: Add __bswap?i2,
5561 __emultls_get_address, __emultls_register_common,
5562 __floatundi?f, and _Unwind_GetIPInfo.
5563 * config/i386/netware.c (gen_stdcall_or_fastcall_decoration):
5564 Sync with config/i386/winnt.c:gen_stdcall_or_fastcall_suffix().
5565 (gen_regparm_prefix): Likewise.
5566 (i386_nlm_encode_section_info): Sync with
5567 config/i386/winnt.c:i386_pe_encode_section_info().
5568 (i386_nlm_maybe_mangle_decl_assembler_name): New.
5569 i386_nlm_mangle_decl_assembler_name): New.
5570 (netware_override_options): New.
5571 * config/i386/netware.h (netware_override_options): Declare.
5572 (OVERRIDE_OPTIONS): Re-define to netware_override_options.
5573 (i386_nlm_mangle_decl_assembler_name): Declare.
5574 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Define.
5576 2008-02-25 Ben Elliston <bje@au.ibm.com>
5579 * c-decl.c (grokdeclarator): Remove unused local variables
5580 `typedef_type' and `type_as_written'.
5582 (find_rarely_executed_basic_blocks_and_crossing_edges): Remove
5583 unused local variable `has_hot_blocks'.
5584 (fix_crossing_conditional_branches): Remove unused local variable
5587 2008-02-25 Uros Bizjak <ubizjak@gmail.com>
5590 * builtins.def (BUILT_IN_NAN): Define as c99 builtin
5591 using DEF_C99_BUILTIN.
5592 (BUILT_IN_NANF): Ditto.
5593 (BUILT_IN_NANL): Ditto.
5595 2008-02-25 Ayal Zaks <zaks@il.ibm.com>
5596 Revital Eres <eres@il.ibm.com>
5598 * modulo-sched.c (calculate_must_precede_follow): Address TODO
5599 regarding the order of two dependent insns in the same row.
5601 2008-02-25 Eric Botcazou <ebotcazou@adacore.com>
5603 * stor-layout.c (layout_decl): Do not bump the alignment of a
5604 bit-field to more than byte alignment if it is packed.
5606 2008-02-24 David Edelsohn <edelsohn@gnu.org>
5608 * config/rs6000/rs6000.c (processor_costs): Add cache costs for
5611 2008-02-24 Diego Novillo <dnovillo@google.com>
5613 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg01094.html
5616 * tree-vrp.c (vrp_evaluate_conditional): With
5617 -Wtype-limits, emit a warning when comparing against a
5618 constant outside the natural range of OP0's type.
5619 * c.opt (Wtype-limits): Move ...
5620 * common.opt (Wtype-limits): ... here.
5622 2008-02-24 Edmar Wienskoski <edmar@freescale.com>
5624 * config.gcc (powerpc*-*-*): Add new cores e300c2 and e300c3.
5625 * config/rs6000/e300c2c3.md: New file.
5626 * config/rs6000/rs6000.c (processor_costs): Add new costs for
5628 (rs6000_override_options): Add e300c2 and e300c3 cases to
5629 processor_target_table. Do not allow usage of Altivec or Spe
5630 with e300 cores. Initialize rs6000_cost for e300c2 and e300c3.
5631 (rs6000_issue_rate): Set issue rate for e300c2 and e300c3.
5632 * config/rs6000/rs6000.h (processor_type): Add
5633 PROCESSOR_PPCE300C2 and PROCESSOR_PPCE300C3.
5634 (ASM_CPU_SPEC): Add e300c2 and e300c3.
5635 * config/rs6000/rs6000.md (define_attr "cpu"): Add ppce300c2
5636 and ppce300c3. Include e300c2c3.md.
5638 2008-02-23 David Edelsohn <edelsohn@gnu.org>
5640 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Use STRICT_ALIGNMENT
5641 instead of TARGET_STRICT_ALIGN.
5643 2008-02-23 Joseph Myers <joseph@codesourcery.com>
5645 * explow.c (memory_address): Assert that the generated address is
5648 2008-02-23 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5651 * config/darwin-protos.h: Add darwin_patch_builtins prototype.
5652 * config/darwin-ppc-ldouble-patch.def: New file.
5653 * config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): New macro.
5654 * config/rs6000/rs6000.c (rs6000_init_builtins): Call
5655 SUBTARGET_INIT_BUILTINS if defined.
5656 * config/darwin.c (darwin_patch_builtin, darwin_patch_builtins):
5659 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5662 * simplify-rtx.c (simplify_binary_operation_1): Add simplification
5663 of (and X (ior (not X) Y) and (and (ior (not X) Y) X).
5665 2008-02-23 Andrew Pinski <andrew_pinski@playstation.sony.com>
5668 * c-pch.c (c_common_valid_pch): Make the "too short to be a PCH
5669 file" warning condtional on -Winvalid-PCH.
5671 2008-02-23 Daniel Jacobowitz <dan@codesourcery.com>
5673 * expmed.c (extract_bit_field): Always use adjust_address for MEM.
5675 2008-02-23 Uros Bizjak <ubizjak@gmail.com>
5679 * config/i386/mmx.md (*mov<mode>_internal_rex64): Use "!y" to
5680 prevent reload from using MMX registers.
5681 (*mov<mode>_internal): Ditto.
5682 (*movv2sf_internal_rex64): Ditto.
5683 (*movv2sf_internal): Ditto.
5685 2008-02-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5687 PR documentation/31569
5688 * doc/install.texi2html: Use makeinfo --no-number-sections.
5690 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5692 * config/rs6000/rs6000.c (rs6000_legitimize_address): Check to
5693 ensure that we can address an entire entity > 8 bytes. Don't
5694 generate reg+reg addressing for such data.
5696 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5698 * config/rs6000/rs6000.h (CONSTANT_ALIGNMENT): Don't overalign
5699 strings when optimizing for size, unless the target cares about
5702 2008-02-22 Tom Tromey <tromey@redhat.com>
5704 * regclass.c (current_pass): Remove declaration.
5706 2008-02-22 Anatoly Sokolov <aesok@post.ru>
5708 * config/avr/libgcc.S (__RAMPZ__): Define.
5709 (__do_copy_data): Add for devices with 128KB code memory.
5711 2008-02-22 Nathan Froyd <froydnj@codesourcery.com>
5713 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
5715 * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Likewise.
5717 2008-02-22 Hans-Peter Nilsson <hp@axis.com>
5719 * config/cris/cris.h (REG_CLASS_FROM_LETTER): Recognize 'b' for
5722 2008-02-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5725 * c-typeck.c (build_binary_op): Warn about floating point
5726 comparisons if FLOAT_TYPE_P, not only for REAL_TYPE.
5728 2008-02-21 Janis Johnson <janis187@us.ibm.com>
5731 * config/rs6000/rs6000.c (rs6000_altivec_abi): Clarify comment.
5732 (rs6000_explicit_options): Split abi into spe_abi and altivec_abi,
5734 (rs6000_override_options): Set altivec_abi as default, not override,
5735 for 64-bit GNU/Linux; for 32-bit GNU/Linux default to altivec_abi for
5736 TARGET_ALTIVEC; default to TARGET_ALTIVEC_VRSAVE when AltiVec ABI
5737 is used; use new member spe_abi.
5738 (rs6000_handle_option): Set rs6000_explicit_options.vrsave; use
5739 spe_abi and altivec_abi.
5741 2008-02-22 Tomas Bily <tbily@suse.cz>
5743 * tree-vectorizer.c (vect_is_simple_reduction): Fix comment typo.
5745 2008-02-21 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5748 * config.build (build_file_translate): Set to `CMD //c' only if
5750 * Makefile.in (build_file_translate): Improve comment.
5752 2008-02-21 Jan Hubicka <jh@suse.cz>
5754 * predict.def (PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL,
5755 PRED_TREE_OPCODE_POSITIVE, PRED_TREE_OPCODE_NONEQUAL, PRED_CALL,
5756 PRED_TREE_EARLY_RETURN, PRED_NULL_RETURN): Update.
5758 2008-02-21 Michael Matz <matz@suse.de>
5761 * config/i386/i386.c (ix86_expand_branch): Add missing breaks.
5763 2008-02-21 Uros Bizjak <ubizjak@gmail.com>
5765 * config/i386/i386.md (mov<mode>cc): Macroize expander from movsfcc,
5766 movdfcc and movxfcc using X87MODEF mode iterator and SSE_FLOAT_MODE_P
5768 * config/i386/sse.md (<sse>_movup<ssemodesuffixf2c>): Macroize insn
5769 from sse_movups adn sse2_movupd using SSEMODEF2P mode iterator and
5770 SSE_VEC_FLOAT_MODE_P as insn constraint.
5771 (<sse>_movmskp<ssemodesuffixf2c>): Ditto from similar patterns.
5772 (sse4a_movnt<mode>): Macroize insn from sse4a_movntsf and
5773 sse4a_movntdf using MODEF mode iterator.
5774 (sse4a_vmmovnt<mode>): Macroize insn form sse4a_vmmovntv2df and
5775 sse4a_vmmovntv4sf using SSEMODEF2P mode iterator.
5776 (sse4_1_blendp<ssemodesuffixf2c>): Ditto from similar patterns.
5777 (sse4_1_blendvp<ssemodesuffixf2c>): Ditto.
5778 (sse4_1_dpp<ssemodesuffixf2c>): Ditto.
5779 (sse4_1_roundp<ssemodesuffixf2c>): Ditto.
5780 (sse4_1_rounds<ssemodesuffixf2c>): Ditto.
5782 2008-02-21 Richard Guenther <rguenther@suse.de>
5784 * tree.def (PAREN_EXPR): New tree code.
5785 * fold-const.c (fold_unary): Remove PAREN_EXPR around constants
5787 * tree-pretty-print.c (dump_generic_node): Handle PAREN_EXPR.
5788 * expr.c (expand_expr_real_1): Likewise.
5789 * tree-inline.c (estimate_num_insns_1): Likewise.
5790 * tree-complex.c (expand_complex_move): Likewise.
5791 * tree-vectorizer.c (vect_is_simple_use): Treat PAREN_EXPR (x)
5794 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5797 * config/sh/sh.c (find_barrier): Don't go past 'from' argument.
5799 2008-02-20 Kaz Kojima <kkojima@gcc.gnu.org>
5802 * config/sh/sh.md (jump_compact): Disable for crossing jumps.
5804 * config/sh/sh.c (find_barrier): Don't go past
5805 NOTE_INSN_SWITCH_TEXT_SECTIONS note.
5807 2008-02-20 DJ Delorie <dj@redhat.com>
5809 * config/h8300/h8300.md (insv): Force source operand to be a register.
5811 * config/h8300/h8300.c (h8300_expand_epilogue): Emit return insn
5812 as a jump, not as a plain insn.
5814 2008-02-20 Seongbae Park <seongbae.park@gmail.com>
5816 * doc/invoke.texi (Warning Options): Add new option
5817 -Wframe-larger-than=.
5818 (-Wframe-larger-than): Document.
5820 * flags.h (warn_frame_larger_than, frame_larger_than_size):
5821 Add declarations for new option variables.
5823 * final.c (final_start_function): Check the frame size
5824 before emission and issue a Wframe-larger-than warning.
5826 * opts.c (warn_frame_larger_than, frame_larger_than_size):
5827 Add definitions for new option variables.
5828 (common_handle_option): Handle new option OPT_Wframe_larger_than_.
5830 * common.opt (Wframe-larger-than=): New option.
5832 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5834 * config/i386/sse.md (<sse>_vmmul<mode>3): Fix typo in asm template.
5835 (<sse>_div<mode>3): Ditto.
5836 (<sse>_vmdiv<mode>3): Ditto.
5837 (<sse>_vmsqrt<mode>2): Ditto.
5838 (*smax<mode>3): Ditto.
5839 (sse5_frcz<mode>2): Ditto.
5840 (sse5_vmfrcz<mode>2): Ditto. Use TARGET_SSE5 instead of TARGET_ROUND
5843 2008-02-20 Richard Guenther <rguenther@suse.de>
5846 * builtins.c (validate_arg): If we want an INTEGER_TYPE,
5847 be happy with INTEGRAL_TYPE_P.
5849 2008-02-20 Richard Guenther <rguenther@suse.de>
5851 * fold-const.c (split_tree): Associate floatig-point expressions
5852 if flag_associative_math is set.
5854 2008-02-20 Richard Guenther <rguenther@suse.de>
5856 * tree.h (fold_real_zero_addition_p): Declare.
5857 * fold-const.c (fold_real_zero_addition_p): Export.
5858 * tree-ssa-reassoc.c (eliminate_using_constants): Also handle
5859 floating-point operations with zero and one.
5861 2008-02-20 Paolo Bonzini <bonzini@gnu.org>
5863 * doc/install.texi: Correct references to CFLAGS, replacing them
5864 with BOOT_CFLAGS. Document flags used during bootstrap for
5867 2008-02-20 Uros Bizjak <ubizjak@gmail.com>
5869 * config/i386/i386.h (SSE_VEC_FLOAT_MODE_P): New define.
5870 * config/i386/i386.md (*sse_setcc<mode>): Macroize from *sse_setccsf
5871 and *sse_setccdf using MODEF mode iterator and SSE_FLOAT_MODE_P as
5873 (smin<mode>3): Ditto from similar patterns.
5874 (smax<mode>3): Ditto.
5875 (*ieee_smin<mode>3): Ditto.
5876 (*ieee_smax<mode>3): Ditto.
5877 * config/i386/sse.md (sse): New mode attribute.
5878 (mov<mode>): Macroize expander from movv4sf and movv2df using
5879 SSEMODEF2P mode iterator.
5880 (<sse>_movnt<mode>): Ditto from similar patterns. Use
5881 SSE_VEC_FLOAT_MODE_P as insn constraint.
5882 (storent<mode>): Ditto.
5883 (storent<mode>): Macroize expander from storentsf and storentdf using
5884 MODEF mode iterator.
5885 (neg<mode>2): Macroize from negv4sf2 and negv2df2 using SSEMODEF2P
5886 mode iterator and SSE_VEC_FLOAT_MODE_P as insn constraint.
5887 (abs<mode>2): Ditto from similar patterns.
5888 (add<mode>3, *add<mode>3, <sse>_vmadd<mode>3): Ditto.
5889 (sub<mode>3, *sub<mode>3, <sse>_vmsub<mode>3): Ditto.
5890 (<sse>_div<mode>3, <sse>_vmdiv<mode>3): Ditto.
5891 (<sse>_vmsqrt<mode>2): Ditto.
5892 (smin<mode>3, *smin<mode>3_finite, *smin<mode>3)
5893 (<sse>_vmsmin<mode>3, *ieee_smin<mode>3): Ditto.
5894 (smax<mode>3, *smax<mode>3_finite, *smax<mode>3)
5895 (<sse>_vmsmax<mode>3, *ieee_smax<mode>3): Ditto.
5896 (<sse>_maskcmp<mode>3): Macroize from sse_maskcmpv4sf3,
5897 sse_maskcmpsf3, sse2_maskcmpv2df3 and sse2_maskcmpdf3 using SSEMODEF4
5898 mode iterator. Use SSE_FLOAT_MODE_P with SSE_VEC_FLOAT_MODE_P as
5900 (<sse>_comi): Macroize from sse_comi and sse2_comi using MODEF mode
5901 iterator and SSE_FLOAT_MODE_P as insn constraint.
5902 (<sse>_ucomi): Ditto from similar patterns.
5903 (<sse>_vmmaskcmp<mode>3): Macroize from sse_vmmaskcmpv4sf3 and
5904 sse2_vmmaskcmpv2df3 using SSEMODEF2P mode iterator and
5905 SSE_VEC_FLOAT_MODE_P as insn constraint.
5906 (vcond<mode>): Ditto from similar patterns.
5907 (and<mode>3, *and<mode>3): Ditto.
5908 (<sse>_nand<mode>3): Ditto.
5909 (ior<mode>3, *ior<mode>3): Ditto.
5910 (xor<mode>3, *xor<mode>3): Ditto.
5911 (*and<mode>3): Macroize from *andsf3 and *anddf3 using MODEF mode
5912 iterator and SSE_FLOAT_MODE_P as insn constraint.
5913 (*nand<mode>3): Ditto from similar patterns.
5914 (*ior<mode>3): Ditto.
5915 (*xor<mode>3): Ditto.
5917 2008-02-20 Ira Rosen <irar@il.ibm.com>
5919 * config/spu/spu.md (vec_unpacku_hi_v8hi, vec_unpacku_lo_v8hi,
5920 vec_unpacks_hi_v8hi, vec_unpacks_lo_v8hi, vec_unpacku_hi_v16qi,
5921 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi): Implement.
5923 2008-02-19 Jan Hubicka <jh@suse.cz>
5925 * predict.c (tree_bb_level_predictions): Remove variable next
5926 mistakely introduced by previous commit.
5928 2008-02-19 Jan Hubicka <jh@suse.cz>
5930 * predict.c (predict_paths_leading_to): Rewrite.
5931 (predict_paths_for_bb): New.
5932 (tree_bb_level_predictions): Update call of predict_paths_leading_to.
5934 2008-02-19 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5937 * Makefile.in (build_file_translate): New.
5938 (gcc-vers.texi): Use it for translating $(abs_srcdir).
5939 * config.build (build_file_translate): Set to `CMD //c' on MinGW.
5940 * configure.ac (build_file_translate): Substitute it.
5941 * configure: Regenerate.
5943 2008-02-19 Jan Hubicka <jh@suse.cz>
5945 PR rtl-optimization/34408
5946 * see.c (see_def_extension_not_merged): Copy subreg so we don't have
5949 2008-02-19 Jan Hubicka <jh@suse.cz>
5952 * tree-inline.c (estimate_num_insns_1): Fix counting of cost of
5955 2008-02-19 H.J. Lu <hongjiu.lu@intel.com>
5958 * config/i386/i386-modes.def: Revert the last DI alignment
5959 change until Ada people can look into it.
5961 2008-02-19 Nick Clifton <nickc@redhat.com>
5963 * opts.c (print_specific_help): Fix typo in --help text.
5965 2008-02-19 Jakub Jelinek <jakub@redhat.com>
5968 * config/i386/cpuid.h (__cpuid, __get_cpuid_max): Use special
5969 32-bit inline asm without asm alternatives for host GCC < 3.0.
5971 2008-02-19 Richard Guenther <rguenther@suse.de>
5973 PR tree-optimization/34989
5974 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Re-structure.
5975 Allow propagation to INDIRECT_REF if we can simplify only.
5977 2008-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5979 * c-common.c (warn_for_collisions_1): Use appropriate option when
5982 2008-02-19 Nick Clifton <nickc@redhat.com>
5985 * opts.c (undocumented_msg): Leave blank unless checking is enabled.
5986 (handle_options): Fix indentation.
5987 (print_filtered_help): If no language-specific options were
5988 displayed tell the user how to list all the options supported by
5989 the language's front-end.
5990 (print_specific_help): Fix indentation and remove duplicate line.
5991 (common_handle_option): Handle the -v option.
5992 For --help enable the display of undocumented options if the -v
5993 switch has been included on the command line.
5994 For --help= check for overlaps in the arguments between the option
5995 classes and the language names and issue a warning when they
5996 cannot be disambiguated.
5997 * c.opt (v): Pass on to the common option handler.
5999 2008-02-19 Revital Eres <eres@il.ibm.com>
6001 * modulo-sched.c (sms_schedule): Change dump message when
6002 create_ddg function fails.
6003 (try_scheduling_node_in_cycle): Rename row to cycle.
6004 (print_partial_schedule): Rename CYCLE to ROW.
6006 2008-02-19 Christian Bruel <christian.bruel@st.com>
6007 Zdenek Dvorak <ook@ucw.cz>
6009 * tree-ssa-loop-ivopts.c (may_be_unaligned_p): Check step alignment.
6011 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6014 * config/i386/i386.md (*x86_movsicc_0_m1_se): New insn pattern.
6015 (*x86_movdicc_0_m1_se): Ditto.
6017 2008-02-19 Uros Bizjak <ubizjak@gmail.com>
6019 * config/i386/sfp-machine.h (__gcc_CMPtype): New typedef.
6020 (CMPtype): Define as __gcc_CMPtype.
6021 * config/rs6000/sfp-machine.h (__gcc_CMPtype): New typedef.
6022 (CMPtype): Define as __gcc_CMPtype.
6024 2008-02-19 Hans-Peter Nilsson <hp@axis.com>
6026 Support valgrind 3.3 for --enable-checking=valgrind.
6027 * system.h: Consolidate ENABLE_VALGRIND_CHECKING-dependent defines
6029 [!VALGRIND_MAKE_MEM_NOACCESS]: Define as VALGRIND_MAKE_NOACCESS.
6030 [!VALGRIND_MAKE_MEM_DEFINED]: Define as VALGRIND_MAKE_READABLE.
6031 [!VALGRIND_MAKE_MEM_UNDEFINED]: Define as VALGRIND_MAKE_WRITABLE.
6032 * ggc-common.c: Remove ENABLE_VALGRIND_CHECKING-dependent defines.
6033 Replace use of VALGRIND_MAKE_READABLE, VALGRIND_MAKE_WRITABLE, and
6034 VALGRIND_MAKE_NOACCESS with VALGRIND_MAKE_MEM_DEFINED,
6035 VALGRIND_MAKE_MEM_UNDEFINED, and VALGRIND_MAKE_MEM_NOACCESS
6037 * ggc-zone.c: Similar.
6038 * ggc-page.c: Similar.
6040 2008-02-19 Paul Brook <paul@codesourcery.com>
6043 * config/arm/ieee754-df.S: Fix do_it typo.
6044 * config/arm/ieee754-sf.S: Fix do_it typo.
6046 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6049 * config/i386/i386.c (OPTION_MASK_ISA_MMX_SET): New.
6050 (OPTION_MASK_ISA_3DNOW_SET): Likewise.
6051 (OPTION_MASK_ISA_SSE_SET): Likewise.
6052 (OPTION_MASK_ISA_SSE2_SET): Likewise.
6053 (OPTION_MASK_ISA_SSE3_SET): Likewise.
6054 (OPTION_MASK_ISA_SSSE3_SET): Likewise.
6055 (OPTION_MASK_ISA_SSE4_1_SET): Likewise.
6056 (OPTION_MASK_ISA_SSE4_2_SET): Likewise.
6057 (OPTION_MASK_ISA_SSE4_SET): Likewise.
6058 (OPTION_MASK_ISA_SSE4A_SET): Likewise.
6059 (OPTION_MASK_ISA_SSE5_SET): Likewise.
6060 (OPTION_MASK_ISA_3DNOW_A_UNSET): Likewise.
6061 (OPTION_MASK_ISA_MMX_UNSET): Updated.
6062 (OPTION_MASK_ISA_3DNOW_UNSET): Updated.
6063 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
6064 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
6065 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
6066 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
6067 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
6068 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
6069 (OPTION_MASK_ISA_SSE5_UNSET): Likewise.
6070 (OPTION_MASK_ISA_SSE4): Removed.
6071 (ix86_handle_option): Turn on bits in ix86_isa_flags and
6072 ix86_isa_flags_explicit with OPTION_MASK_ISA_XXX_SET for -mXXX.
6073 (override_options): Don't turn on implied SSE/MMX bits in
6076 2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
6078 * config/i386/i386-modes.def: Use 4 byte alignment on DI for
6081 2008-02-18 Joey Ye <joey.ye@intel.com>
6084 * tree-nested.c (insert_field_into_struct): Set type alignment
6085 to field alignment if the former is less than the latter.
6087 2008-02-18 Jakub Jelinek <jakub@redhat.com>
6089 * BASE-VER: Set to 4.4.0.
6091 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6093 * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
6094 * doc/cfg.texi: Likewise.
6095 * doc/extend.texi: Likewise.
6096 * doc/gty.texi: Likewise.
6097 * doc/invoke.texi: Likewise.
6098 * doc/loop.texi: Likewise.
6099 * doc/md.texi: Likewise.
6100 * doc/passes.texi: Likewise.
6101 * doc/rtl.texi: Likewise.
6102 * doc/sourcebuild.texi: Likewise.
6103 * doc/tm.texi: Likewise.
6104 * doc/tree-ssa.texi: Likewise.
6106 2008-02-17 Richard Guenther <rguenther@suse.de>
6109 * tree-complex.c (init_parameter_lattice_values): Handle parameters
6110 without default definition.
6112 2008-02-17 Richard Guenther <rguenther@suse.de>
6114 PR tree-optimization/35231
6115 * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
6118 2008-02-17 Uros Bizjak <ubizjak@gmail.com>
6121 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6122 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6123 libgcc_cmp_return mode.
6125 2008-02-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6128 * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
6130 2008-02-16 Ralf Corsepius <ralf.corsepius@rtems.org>
6132 * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
6135 2008-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6137 * doc/c-tree.texi: Use `@.' where appropriate.
6138 * doc/extend.texi: Likewise.
6139 * doc/install.texi: Likewise.
6140 * doc/invoke.texi: Likewise.
6141 * doc/loop.texi: Likewise.
6142 * doc/makefile.texi: Likewise.
6143 * doc/md.texi: Likewise.
6144 * doc/passes.texi: Likewise.
6145 * doc/standards.texi: Likewise.
6146 * doc/tm.texi: Likewise.
6148 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6151 * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
6153 (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
6154 rather than in entry_bb.
6156 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6158 * config/i386/sfp-machine.h (CMPtype): Define as typedef using
6159 libgcc_cmp_return mode.
6161 2008-02-15 Jakub Jelinek <jakub@redhat.com>
6164 * tree-nested.c (convert_call_expr): Put FRAME.* vars into
6165 OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
6167 2008-02-15 Richard Guenther <rguenther@suse.de>
6168 Zdenek Dvorak <ook@ucw.cz>
6170 PR tree-optimization/35164
6171 * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
6172 * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
6173 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
6174 Only propagate addresses which do not have abnormal SSA_NAMEs
6177 2008-02-15 Joseph Myers <joseph@codesourcery.com>
6180 * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
6182 2008-02-15 Jan Hubicka <jh@suse.cz>
6185 * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
6187 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6190 * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
6191 when calculating alignment_pad.
6193 2008-02-15 Uros Bizjak <ubizjak@gmail.com>
6195 * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
6196 (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
6197 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
6198 and STACK_BOUNDARY define.
6200 2008-02-14 Danny Smith <dannysmith@users.sourceforge.net>
6202 PR preprocessor/35061
6203 * c-pragma.c (handle_pragma_pop_macro): Check that
6204 pushed_macro_table has been allocated.
6206 2008-02-14 Eric Botcazou <ebotcazou@adacore.com>
6209 * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
6210 (force_gimple_operand): Likewise.
6211 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
6212 for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
6213 Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
6214 (find_interesting_uses_address): Check addressability and alignment
6215 of the base expression only after substituting bases of IVs into it.
6217 2008-02-14 Michael Matz <matz@suse.de>
6220 * function.c (instantiate_virtual_regs_in_insn): Reload address
6221 before falling back to reloading the whole operand.
6223 2008-02-14 Andreas Krebbel <krebbel1@de.ibm.com>
6225 * config/s390/s390.c (s390_mainpool_start): Emit the pool
6226 before the first section switch note.
6228 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6230 * doc/bugreport.texi: Update copyright years.
6231 * doc/c-tree.texi: Likewise.
6232 * doc/cfg.texi: Likewise.
6233 * doc/cpp.texi: Likewise.
6234 * doc/cppinternals.texi: Likewise.
6235 * doc/fragments.texi: Likewise.
6236 * doc/frontends.texi: Likewise.
6237 * doc/gcc.texi: Likewise.
6238 * doc/gty.texi: Likewise.
6239 * doc/hostconfig.texi: Likewise.
6240 * doc/implement-c.texi: Likewise.
6241 * doc/libgcc.texi: Likewise.
6242 * doc/loop.texi: Likewise.
6243 * doc/makefile.texi: Likewise.
6244 * doc/options.texi: Likewise.
6245 * doc/passes.texi: Likewise.
6246 * doc/rtl.texi: Likewise.
6247 * doc/sourcebuild.texi: Likewise.
6248 * doc/standards.texi: Likewise.
6249 * doc/tree-ssa.texi: Likewise.
6250 * doc/trouble.texi: Likewise.
6252 * doc/extend.texi: Use @: or add comma where appropriate.
6253 * doc/invoke.texi: Likewise.
6254 * doc/tm.texi: Likewise.
6256 2008-02-14 Alan Modra <amodra@bigpond.net.au>
6259 * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
6262 2008-02-14 Jesper Nilsson <jesper.nilsson@axis.com>
6264 * doc/md.texi (clz, ctz): Add reference.
6265 * doc/rtl.texi (clz, ctz): Likewise.
6267 2008-02-13 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6270 * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
6273 2008-02-13 Andreas Krebbel <krebbel1@de.ibm.com>
6275 * config/s390/s390.c (struct constant_pool): New field
6276 emit_pool_after added.
6277 (s390_mainpool_start): Set the emit_pool_after flag according
6278 to the section switch notes.
6279 (s390_mainpool_finish): Consider emit_pool_after when emitting
6280 the literal pool at the end of the function.
6281 (s390_chunkify_start): Force literal pool splits at section
6284 2008-02-13 Michael Matz <matz@suse.de>
6287 * var-tracking.c (clobber_variable_part): Correctly traverse the
6290 2008-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6293 * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
6294 Add -fdump-ipa-inline.
6295 * tree-dump.c (dump_files): Remove tree-inlined dump.
6296 * tree-pass.h (tree_dump_index): Remove TDI_inlined.
6298 2008-02-12 Richard Guenther <rguenther@suse.de>
6300 PR tree-optimization/35171
6301 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
6304 2008-02-12 Richard Guenther <rguenther@suse.de>
6307 * fold-const.c (fold_widened_comparison): Use get_unwidened in
6308 value-preserving mode. Disallow final truncation.
6310 2008-02-12 Eric Botcazou <ebotcazou@adacore.com>
6313 * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
6314 code from here to...
6315 (force_gimple_operand): ...here.
6317 2008-02-12 Jakub Jelinek <jakub@redhat.com>
6320 * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
6321 non-compatible pointers.
6322 (generate_element_copy): If SRC and DST are RECORD_TYPEs with
6323 different FIELD_DECLs, try harder by comparing field offsets, sizes
6327 * function.c (match_asm_constraints_1): Don't replace the same input
6330 2008-02-12 Anatoly Sokolov <aesok@post.ru>
6332 * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
6333 * config/avr/avr.c (expand_prologue): Save RAMPZ register.
6334 (expand_epilogue): Restore RAMPZ register.
6335 * config/avr/avr.md (RAMPZ_ADDR): New constant.
6337 2008-02-11 Kai Tietz <kai.tietz@onevision.com>
6339 * config/i386/cygwin.asm: (__alloca): Correct calling
6340 convention and alignment.
6341 (__chkstk): Force 8 byte stack alignment.
6343 2008-02-11 Uros Bizjak <ubizjak@gmail.com>
6344 Richard Guenther <rguenther@suse.de>
6346 PR tree-optimization/33992
6347 * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
6348 the zero we compare against.
6350 2008-02-10 Danny Smith <dannysmith@users.sourceforge.net>
6353 * gthr-win32.h (__gthread_mutex_destroy_function): New function
6354 to CloseHandle after unlocking to prevent accumulation of handle
6357 2008-02-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6360 * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
6361 pic_label_operand source. Similarly, add a REG_LABEL_OPERAND note
6362 and update LABEL_NUSES during and after reload.
6364 2008-02-08 Steven Bosscher <stevenb.gcc@gmail.com>
6367 * combine.c (simplify_if_then_else): Make sure the comparison is
6368 against const0_rtx when simplifying to (abs x) or (neg (abs X)).
6370 2008-02-08 Richard Sandiford <rsandifo@nildram.co.uk>
6373 * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
6374 (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
6375 * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
6376 (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
6377 * tree.h (get_type_static_bounds): Likewise.
6379 2008-02-08 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6381 * doc/invoke.texi (Option Summary, C++ Dialect Options)
6382 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6383 Make -Wfoo language annotations match what the compiler outputs.
6385 2008-02-08 Sa Liu <saliu@de.ibm.com>
6387 * config/spu/spu-builtins.def: Fixed wrong parameter type in spu
6388 intrinsics spu_convts, spu_convtu, spu_convtf.
6390 2008-02-08 Hans-Peter Nilsson <hp@axis.com>
6392 * doc/extend.texi (Function Attributes) <noinline>: Mention
6393 asm ("") as method to keep calls.
6395 2008-02-07 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6398 * doc/options.texi (Options): Replace references to opts.sh with
6400 * opts-common.c: Likewise.
6401 * optc-gen.awk: Likewise.
6403 2008-02-07 Andreas Krebbel <krebbel1@de.ibm.com>
6405 * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
6407 2008-02-07 Richard Henderson <rth@redhat.com>
6410 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
6411 EXPR_LIST for the REG_EQUAL instead of a comparison with a
6414 2008-02-07 Uros Bizjak <ubizjak@gmail.com>
6416 PR tree-optimization/35085
6417 * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
6418 for operand entry oe2 in addition to operand entry oe3 in order to
6419 expose more opportunities for vectorizer sum reduction.
6421 2008-02-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6424 * Makefile.in (LIBS): Remove $(GMPLIBS).
6425 (cc1-dummy, cc1): Add $(GMPLIBS).
6427 2008-02-06 Jan Hubicka <jh@suse.cz>
6430 * i386.md (moddf_integer): Do not produce partial memory stalls for
6431 targets where it hurts.
6433 2008-02-06 Uros Bizjak <ubizjak@gmail.com>
6436 * optabs.c (expand_float): Do not check for decimal modes when
6437 expanding unsigned integer through signed conversion.
6439 2008-02-06 Nick Clifton <nickc@redhat.com>
6441 * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
6442 inside the clobber with a match_operand and duplicated operand
6443 number in the constraint.
6444 (ineqbranchsi): Delete redundant comment.
6446 2008-02-06 Ralf Corsepius <ralf.corsepius@rtems.org>
6448 * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add
6449 builtin_define ("__USE_INIT_FINI__").
6450 * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
6452 * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
6454 2008-02-06 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6456 PR documentation/30330
6457 * doc/invoke.texi (C++ Dialect Options)
6458 (Objective-C and Objective-C++ Dialect Options, Warning Options):
6459 For each warning option -Wfoo that allows -Wno-foo, ensure both
6460 -Wfoo and -Wno-foo are listed in the option index. Fix index
6461 entry of -Wswitch-default, index -Wnormalized= including the
6462 `=', and -Wlarger-than-@var{len} including @var{len}.
6464 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6466 * config/i386/i386.md (floatunssisf2): Use
6467 ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
6468 (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
6469 Macroize expander using MODEF mode iterator.
6471 2008-02-05 Diego Novillo <dnovillo@google.com>
6473 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
6476 * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
6478 2008-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6481 * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
6483 2008-02-05 H.J. Lu <hongjiu.lu@intel.com>
6486 * config/i386/i386.c (ix86_function_sseregparm): Add an arg
6487 to indicate if a message should be generated.
6488 (init_cumulative_args): Updated.
6489 (function_value_32): Likewise.
6491 2008-02-05 Joseph Myers <joseph@codesourcery.com>
6493 * doc/include/texinfo.tex: Update to version 2008-02-04.16.
6495 2008-02-05 Uros Bizjak <ubizjak@gmail.com>
6498 * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
6499 Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
6501 2008-02-04 Diego Novillo <dnovillo@google.com>
6503 http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
6506 * tree-vrp.c (vrp_evaluate_conditional): With
6507 -Wtype-limits, emit a warning when comparing against a
6508 constant outside the natural range of OP0's type.
6510 2008-02-04 Richard Guenther <rguenther@suse.de>
6513 * expr.c (count_type_elements): Give for unions instead of
6516 2008-02-04 Richard Guenther <rguenther@suse.de>
6519 * gimplify.c (gimplify_init_ctor_eval): Convert array indices
6520 to TYPE_DOMAINs base type instead of using bitsizetype here.
6522 2008-02-03 Jason Merrill <jason@redhat.com>
6524 * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
6526 2008-02-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6529 * doc/invoke.texi (C++ Dialect Options, Optimize Options)
6530 (HPPA Options, i386 and x86-64 Options, IA-64 Options)
6531 (RS/6000 and PowerPC Options): Fix typos and markup.
6532 * doc/passes.texi (Tree-SSA passes): Likewise.
6534 2008-02-02 Michael Matz <matz@suse.de>
6537 * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
6538 from record_last_reg_set_info.
6539 (record_last_reg_set_info): Take an RTX argument, iterate over all
6540 constituent hardregs.
6541 (record_last_set_info, record_opr_changes): Change calls to
6542 new signature or to record_last_reg_set_info_regno.
6544 2008-02-02 Gerald Pfeifer <gerald@pfeifer.com>
6546 * doc/extend.texi (X86 Built-in Functions): Fix grammar.
6548 2008-02-01 Hans-Peter Nilsson <hp@axis.com>
6550 PR rtl-optimization/34773
6551 * reg-notes.def (EQUAL): Mention significance of combination of
6552 REG_EQUAL and REG_RETVAL.
6553 * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
6554 insn that has a REG_RETVAL.
6556 2008-02-01 Roger Sayle <roger@eyesopen.com>
6559 * configure.ac (--enable-fixed-point): Disable unless explicitly
6561 * configure: Regenerate.
6563 2008-02-01 Richard Guenther <rguenther@suse.de>
6566 * invoke.texi (-finline-limit): Remove no longer true parts
6567 of the documentation. Note that there is no default value.
6569 2008-02-01 Andrew Pinski <pinskia@gmail.com>
6570 Mark Mitchell <mark@codesourcery.com>
6571 Ben Elliston <bje@au.ibm.com>
6574 * doc/extend.texi (Other Builtins): Document.
6576 2008-01-31 Tom Browder <tom.browder@gmail.com>
6578 * doc/c-tree.texi (Types): Fix grammar.
6579 (Expression trees): Ditto.
6580 * doc/passes.texi (Tree-SSA passes): Ditto.
6582 * doc/configterms.texi (Configure Terms): Fix typo.
6583 * doc/cpp.texi (Common Predefined Macros): Ditto.
6584 * doc/md.texi (Machine Constraints): Ditto.
6586 * doc/makefile.texi (Makefile): Add comma.
6588 2008-01-31 Tom Browder <tom.browder@gmail.com>
6589 Gerald Pfeifer <gerald@pfeifer.com>
6591 * doc/sourcebuild.texi (Front End): Remove references to CVS
6592 and CVSROOT/modules.
6593 (Texinfo Manuals): Replace reference to CVS by one to SVN.
6594 (Back End): Remove reference to CVS.
6596 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6599 * config/mips/mips.c (gen_load_const_gp): New function, taking a
6601 (mips16_gp_pseudo_reg): ...here.
6602 * config/mips/mips.md (load_const_gp): Replace with...
6603 (load_const_gp_<mode>): ...this :P-based insn.
6605 2008-01-31 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6607 * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
6608 options. Minor fixes.
6609 (-std): Move reference to standards closer to where language
6610 standards are first mentioned.
6612 2008-01-31 Richard Sandiford <rsandifo@nildram.co.uk>
6614 PR rtl-optimization/34995
6615 * reload.c (alternative_allows_const_pool_ref): Take an rtx
6616 parameter and return a bool. If the rtx parameter is nonnull,
6617 check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
6618 (find_reloads): Update call accordingly. Pass the new operand
6619 if it needed no address reloads, otherwise pass null.
6621 2008-01-30 Richard Henderson <rth@redhat.com>
6624 * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
6625 for unbounded arrays.
6627 2008-01-30 Silvius Rus <rus@google.com>
6629 * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
6631 2008-01-30 Jan Hubicka <jh@suse.cz>
6634 * i386.c (init_cumulative_args): Use real function declaration when
6637 2008-01-30 Richard Sandiford <rsandifo@nildram.co.uk>
6639 PR rtl-optimization/34998
6640 * global.c (build_insn_chain): Treat non-subreg_lowpart
6641 SUBREGs of pseudos as clobbering all the words covered by the
6642 SUBREG, not just all the bytes.
6643 * ra-conflict.c (clear_reg_in_live): Likewise. Take the
6644 original df_ref rather than an extract parameter.
6645 (global_conflicts): Update call accordingly.
6647 2008-01-30 Andreas Krebbel <krebbel1@de.ibm.com>
6649 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
6650 the overflow check to make it easier to read.
6651 (__fixtfdi): Change the type of the ll member in union
6652 long_double to UDItype_x.
6654 2008-01-30 Jakub Jelinek <jakub@redhat.com>
6657 * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
6658 * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
6659 * tree-inline.c (fold_marked_statements): Call
6660 cgraph_update_edges_for_call_stmt if folding a call statement.
6661 * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
6662 debug_generic_stmt calls, reset it back afterwards.
6665 * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
6667 * c-typeck.c (build_external_ref): Don't pedwarn about
6668 static vars in current function's scope.
6670 2008-01-29 Joseph Myers <joseph@codesourcery.com>
6672 * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
6674 2008-01-29 Bernhard Fischer <aldot@gcc.gnu.org>
6677 * ipa-struct-reorg.c: Fix spelling.
6678 * params.def: Ditto.
6680 2008-01-29 Richard Guenther <rguenther@suse.de>
6683 * tree-inline.h (struct copy_body_data): Add remapping_type_depth
6685 * tree-inline.c (remap_type): Increment remapping_type_depth
6686 around remapping types.
6687 (copy_body_r): Only add referenced variables if they are referenced
6688 from code, not types.
6690 2008-01-29 Douglas Gregor <doug.gregor@gmail.com>
6701 * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
6702 qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
6704 2008-01-28 Andy Hutchinson <hutchinsonandy@netscape.net>
6707 * config/avr/avr.c (expand_prologue): Use correct QI mode frame
6708 pointer for tiny stack.
6710 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6712 * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
6714 2008-01-28 Bernhard Fischer <aldot@gcc.gnu.org>
6716 * config/vx-common.h: Fix typo in comment.
6718 2008-01-28 Ian Lance Taylor <iant@google.com>
6722 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
6723 coalesce pointers if they have different DECL_NO_TBAA_P values.
6724 * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
6725 between variables with different DECL_NO_TBAA_P values.
6727 2008-01-28 Nathan Froyd <froydnj@codesourcery.com>
6730 * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
6731 are not legitimate small data references on SPE targets.
6733 2008-01-28 David Daney <ddaney@avtrex.com>
6735 * doc/install.texi (mips-*-*): Recommend binutils 2.18.
6737 2008-01-28 David Daney <ddaney@avtrex.com>
6739 * doc/install.texi (--disable-libgcj-bc): Reword documentation.
6741 2008-01-27 Joseph Myers <joseph@codesourcery.com>
6743 * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
6744 m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
6745 *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
6746 *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
6747 hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
6748 i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
6749 i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
6750 vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
6752 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6754 * basic-block.h (condjump_equiv_p): Fix comment.
6756 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6758 * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
6759 print_generic_stmt_indented): Fix comment.
6761 2008-01-27 Bernhard Fischer <aldot@gcc.gnu.org>
6763 * configure.ac (__stack_chk_fail): Add detecion for availability
6764 of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
6765 * configure: Regenerate.
6767 2008-01-26 Maxim Kuvyrkov <maxim@codesourcery.com>
6770 * final.c (output_addr_const): Handle TRUNCATE.
6772 2008-01-26 Zdenek Dvorak <ook@ucw.cz>
6775 * tree-ssa-loop-ivopts.c (comp_cost): New type.
6776 (zero_cost, infinite_cost): New constants.
6777 (struct cost_pair): Change type of cost to comp_cost.
6778 (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
6779 (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
6781 (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
6782 split_address_cost, ptr_difference_cost, difference_cost,
6783 get_computation_cost_at, get_computation_cost,
6784 determine_use_iv_cost_generic, determine_use_iv_cost_address,
6785 determine_use_iv_cost_condition, determine_use_iv_costs,
6786 cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
6787 iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
6788 iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
6789 Change type of cost to comp_cost.
6790 (determine_iv_cost): Increase cost of non-original ivs, instead
6791 of decreasing the cost of original ones.
6792 (get_address_cost): Indicate the complexity of the addressing mode
6794 (try_add_cand_for): Prefer using ivs not specific to some object.
6795 * tree-flow.h (force_expr_to_var_cost): Declaration removed.
6797 2008-01-26 Peter Bergner <bergner@vnet.ibm.com>
6798 Janis Johnson <janis187@us.ibm.com>
6801 * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
6802 (TARGET_INSTANTIATE_DECLS): Likewise.
6803 * target.h (expand_to_rtl_hook): New target hook.
6804 (instantiate_decls): Likewise.
6805 * function.c (instantiate_decl): Make non-static. Rename to...
6806 (instantiate_decl_rtl): ... this.
6807 (instantiate_expr): Use instantiate_decl_rtl.
6808 (instantiate_decls_1): Likewise.
6809 (instantiate_decls): Likewise.
6810 (instantiate_virtual_regs: Call new instantiate_decls taget hook.
6811 * function.h (instantiate_decl_rtl): Add prototype.
6812 * cfgexpand.c (target.h): New include.
6813 (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
6814 * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
6815 (TARGET_INSTANTIATE_DECLS): Likewise.
6816 (TARGET_INITIALIZER): New target hooks added.
6817 * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
6819 * config/rs6000/rs6000.c (tree-flow.h): New include.
6820 (machine_function): Add sdmode_stack_slot field.
6821 (rs6000_alloc_sdmode_stack_slot): New function.
6822 (rs6000_instantiate_decls): Likewise.
6823 (rs6000_secondary_memory_needed_rtx): Likewise.
6824 (rs6000_check_sdmode): Likewise.
6825 (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
6826 (TARGET_INSTANTIATE_DECLS): Likewise.
6827 (rs6000_hard_regno_mode_ok): Allow SDmode.
6828 (num_insns_constant): Likewise. Handle _Decimal32 constants.
6829 (rs6000_emit_move): Handle SDmode.
6830 (function_arg_advance): Likewise.
6831 (function_arg): Likewise.
6832 (rs6000_gimplify_va_arg): Likewise. Add special handling of
6833 SDmode var args for 32-bit compiles.
6834 (rs6000_secondary_reload_class): Handle SDmode.
6835 (rs6000_output_function_epilogue): Likewise.
6836 (rs6000_function_value): Simplify if statement.
6837 (rs6000_libcall_value): Likewise.
6838 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
6839 (SECONDARY_MEMORY_NEEDED_RTX): Add define.
6840 * config/rs6000/dfp.md (movsd): New define_expand and splitter.
6841 (movsd_hardfloat): New define_insn.
6842 (movsd_softfloat): Likewise.
6843 (movsd_store): Likewise.
6844 (movsd_load): Likewise.
6845 (extendsddd2): Likewise.
6846 (extendsdtd2): Likewise.
6847 (truncddsd2): Likewise.
6848 (movdd_hardfloat64): Fixup comment.
6849 (UNSPEC_MOVSD_LOAD): New constant.
6850 (UNSPEC_MOVSD_STORE): Likewise.
6852 2008-01-26 Jakub Jelinek <jakub@redhat.com>
6855 * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
6857 (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
6858 (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
6859 (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
6862 2008-01-26 David Edelsohn <edelsohn@gnu.org>
6865 * config.gcc: Separate AIX 5.3 from AIX 6.1.
6866 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6867 __LONGDOUBLE128 too.
6868 * config/rs6000/aix61.h: New file.
6870 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6872 PR rtl-optimization/34959
6873 * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
6874 popcount and parity rtxes the same mode as their operand.
6875 Truncate or extend the result to the return value's mode
6878 2008-01-26 Richard Sandiford <rsandifo@nildram.co.uk>
6881 * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
6882 * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
6883 to GOT_VERSION_REGNUM.
6884 (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
6885 (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
6886 * config/mips/mips.c (mips_emit_call_insn): New function.
6887 (mips_call_tls_get_addr): Call mips_expand_call directly.
6888 (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
6890 (mips16_build_call_stub): Likewise. Return the call insn or null.
6891 (mips_expand_call): Update the call to mips16_build_call_stub
6892 accordingly and a remove redundant condition. Assert that MIPS16
6893 stubs do not use lazy binding. Use mips_emit_call_insn and return
6895 (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
6897 (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
6898 (mips_avoid_hazard): Remove hazard_set handling.
6899 * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
6900 (UNSPEC_RESTORE_GP): ...this.
6901 (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
6902 (FAKE_CALL_REGNO): Rename to...
6903 (GOT_VERSION_REGNUM): ...this.
6904 (type): Add "ghost" value. Add an associated insn reservation.
6905 (hazard_set): Remove.
6906 (exception_receiver): Rename to...
6907 (restore_gp): ...this and update the unspec identifier accordingly.
6908 (exception_receiver, nonlocal_got_receiver): New expanders.
6909 (load_call<mode>): Use GOT_VERSION_REGNUM. Don't set
6910 FAKE_CALL_REGNO. Remove hazard_set attribute.
6911 (set_got_version, update_got_version): New patterns.
6913 2008-01-26 Danny Smith <dannysmith@users.sourceforge.net>
6916 * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
6918 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6921 * doc/install.texi2html: Generate gcc-vers.texi.
6923 2008-01-25 DJ Delorie <dj@redhat.com>
6925 * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
6927 2008-01-25 Joseph Myers <joseph@codesourcery.com>
6929 * config/c4x: Remove directory.
6930 * config.gcc (crx-*, mt-*): Mark obsolete.
6931 (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
6932 h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
6933 sh-*-rtemscoff*): Remove cases.
6934 * defaults.h (C4X_FLOAT_FORMAT): Remove.
6935 * real.c (encode_c4x_single, decode_c4x_single,
6936 encode_c4x_extended, decode_c4x_extended, c4x_single_format,
6937 c4x_extended_format): Remove.
6938 * real.h (c4x_single_format, c4x_extended_format): Remove.
6939 * doc/extend.texi (interrupt, naked): Remove mention of attributes
6941 (Pragmas): Remove comment about c4x pragmas.
6942 * doc/install.texi (c4x): Remove target-specific instructions.
6943 * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
6944 * doc/md.texi (Machine Constraints): Remove C4x documentation.
6945 * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
6946 refer to C4x source files as examples.
6947 (C4X_FLOAT_FORMAT): Remove documentation.
6949 2008-01-25 Bernd Schmidt <bernd.schmidt@analog.com>
6951 * config/bfin/bfin.c (override_options): Reorder tests so that
6952 flag_pic gets enabled for -msep-data.
6954 2008-01-25 Richard Guenther <rguenther@suse.de>
6957 * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
6958 to its bitfield precision if required.
6960 2008-01-25 Jakub Jelinek <jakub@redhat.com>
6963 * tree-nested.c (walk_omp_for): New function.
6964 (convert_nonlocal_reference, convert_local_reference): Call
6965 walk_omp_for on OMP_FOR.
6966 (convert_call_expr): Call walk_body on OMP_FOR's
6967 OMP_FOR_PRE_INIT_BODY.
6969 2008-01-25 Richard Guenther <rguenther@suse.de>
6971 PR tree-optimization/34966
6972 * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
6973 default defs and PHI_NODEs we have to insert after the
6976 2008-01-24 Nick Clifton <nickc@redhat.com>
6978 * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
6979 Provide a default definition.
6980 (LIBGCC2_UNITS_PER_WORD): Likewise.
6982 * config/stormy16/stormy16.c: Include df.h for the prototype
6983 for df_regs_ever_live_p.
6984 (xstormy16_expand_builtin_va_start): Convert the stack offset
6985 into a component_ref and then use POINTER_PLUS_EXPR to add it
6986 to the incoming_virtual_args_rtx.
6987 (xstormy16_gimplify_va_arg_expr): Rename to
6988 xstormy16_gimplify_va_arg_expr.
6989 Use POINTER_PLUS_EXPR when performing pointer arithmetic.
6990 (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
6991 xstormy16_gimplify_va_arg_expr.
6992 Fix up some formatting issues.
6994 * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
6995 Move to predicates.md.
6996 (xs_hi_general_operand): Likewise.
6997 (xs_hi_nonmemory_operand): Likewise.
6998 * config/stormy16/predicates.md:
6999 (xstormy16_carry_plus_operand): New predicate.
7000 (xs_hi_general_operand): New predicate.
7001 (xs_hi_nonmemory_operand): New predicate.
7002 * config/stormy16/stormy16-protos.h:
7003 (xstormy16_carry_plus_operand): Delete prototype.
7004 (xs_hi_general_operand): Likewise.
7005 (xs_hi_nonmemory_operand): Likewise.
7007 * config/storm16/stormy16.md (addhi3): Remove earlyclobber
7008 modifiers as they are no longer needed and they can trigger
7009 reload spill failures.
7011 * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
7012 with a match_operand in order to help reload.
7014 * config/storm16/stormy16.md (movhi_internal): Replace 'r'
7015 constraint with 'e' for the 8th alternative as this version of
7016 the mov.w instruction only accepts the lower 8 registers.
7018 2008-01-25 Uros Bizjak <ubizjak@gmail.com>
7021 * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
7022 Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
7025 2008-01-25 Jakub Jelinek <jakub@redhat.com>
7028 * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
7030 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7032 * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
7034 (remove_structure): Update allocations list before removing structure.
7036 2008-01-25 Golovanevsky Olga <olga@il.ibm.com>
7038 * ipa-struct-reorg.c (is_safe_cond_expr,
7039 create_new_stmts_for_cond_expr): Use integer_zerop function,
7040 that recognize not only zero-pointer, but zero-integer too.
7042 2008-01-25 Ben Elliston <bje@au.ibm.com>
7045 * fixproto: Escape "." in sed expression that strips leading "./".
7047 2008-01-24 H.J. Lu <hongjiu.lu@intel.com>
7050 * gcc.c (SWITCH_OK): Removed.
7051 (SWITCH_LIVE): Changed to bit.
7052 (SWITCH_FALSE): Likewise.
7053 (SWITCH_IGNORE): Likewise.
7054 (switchstr): Change live_cond to unsigned int.
7055 (process_command): Replace SWITCH_OK with 0.
7056 (do_self_spec): Likewise.
7057 (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
7058 (give_switch): Likewise.
7059 (used_arg): Likewise.
7060 (do_spec_1): Set the SWITCH_IGNORE bit.
7061 (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
7062 bits. Set the SWITCH_LIVE bit.
7064 2008-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
7066 * config/s390/s390.h (MOVE_RATIO): Define new target macro.
7068 2008-01-24 Richard Sandiford <rsandifo@nildram.co.uk>
7070 PR tree-optimization/34472
7071 * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
7072 parameter to a "bool *" and set *DATA to false if there is
7073 an unsafe access. Do not delete the structure here.
7074 (check_cond_exprs): Delete it here instead.
7075 (check_cond_exprs, exclude_cold_structs): Do not increase
7076 I when removing a structure.
7078 2008-01-24 Uros Bizjak <ubizjak@gmail.com>
7081 * config/i386/i386.c (ix86_expand_vector_init): Consider only
7082 CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
7084 2008-01-24 Jakub Jakub Jelinek <jakub@redhat.com>
7087 * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
7088 a fixed vector for stack.
7090 2008-01-24 Ben Elliston <bje@au.ibm.com>
7093 * doc/gcc.texi (Software development): Add a direntry for g++.
7095 2008-01-23 Hans-Peter Nilsson <hp@axis.com>
7097 * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
7098 stale and straggling -fforce-addr comments above.
7100 * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
7102 * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
7103 * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
7105 2008-01-23 Michael Matz <matz@suse.de>
7108 * dwarf2out.c (force_type_die): Use modified_type_die instead of
7111 2008-01-23 Andreas Krebbel <krebbel1@de.ibm.com>
7113 * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
7116 2008-01-23 Anatoly Sokolov <aesok@post.ru>
7118 * config/avr/avr.c (avr_current_arch): New variable.
7119 (avr_arch_types): Add 'avr31' and 'avr51' entries.
7120 (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
7121 (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
7122 (avr_override_options): Init 'avr_current_arch'.
7123 (base_arch_s): Move from here...
7124 * config/avr/avr.h (base_arch_s): ... here. Add new members
7125 'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename
7126 'mega' to 'have_jmp_call'.
7127 (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__",
7128 "__AVR_HAVE_RAMPZ__", "__AVR_HAVE_ELPM__" and "__AVR_HAVE_ELPMX__"
7130 (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51'
7132 * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
7133 MULTILIB_MATCHES): (Ditto.).
7135 2008-01-23 Richard Guenther <rguenther@suse.de>
7138 * cgraphunit.c (cgraph_reset_node): Always mark the node
7139 not reachable if it is not queued already.
7141 2008-01-23 Bernd Schmidt <bernd.schmidt@analog.com>
7143 * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
7144 * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
7145 (cputype_selected): New static variable.
7146 (bfin_handle_option): Set it if -mcpu is used.
7147 (override_option): Select default set of workarounds if no cpu type
7148 selected on the command line.
7149 (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
7151 From Michael Frysinger <michael.frysinger@analog.com>
7152 * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
7153 BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
7155 * config/bfin/elf.h (LIB_SPEC): Use proper linker script
7156 for bf547, bf523, bf524, and bf526.
7157 * config/bfin/bfin.c (bfin_cpus[]): Add bf547, bf523, bf524, and
7159 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
7160 __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
7161 __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
7162 __ADSPBF547__ and __ADSPBF54x__ for bf547.
7163 * doc/invoke.texi (Blackfin Options): Document that
7164 -mcpu now accept bf547, bf523, bf524, and bf526.
7166 2008-01-22 Eric Botcazou <ebotcazou@adacore.com>
7168 PR rtl-optimization/34628
7169 * combine.c (try_combine): Stop and undo after the first combination
7170 if an autoincrement side-effect on the first insn has effectively
7173 2008-01-22 David Edelsohn <edelsohn@gnu.org>
7176 * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
7177 Offset addresses are not valid for Altivec or paired float modes.
7179 2008-01-22 Jakub Jelinek <jakub@redhat.com>
7182 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
7183 if DECL_INITIAL (decl) is error_mark_node.
7186 * c-common.c (handle_vector_size_attribute): Only allow
7187 integral, scalar float and fixed point types. Handle OFFSET_TYPE
7188 the same way as pointer, array etc. types.
7189 * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
7192 * tree.c (build_type_attribute_qual_variant): Call
7193 build_qualified_type if attributes are equal, but quals are not.
7195 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7198 * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
7199 * flags.h (warn_strict_aliasing): Remove.
7200 (warn_strict_overflow): Remove.
7201 * opts.c (warn_strict_aliasing): Remove.
7202 (warn_strict_overflow): Remove.
7203 * c-opts.c (c_common_handle_option): -Wall only sets
7204 -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
7205 (c_common_post_options): Give default values to -Wstrict-aliasing
7206 and -Wstrict-overflow if they are uninitialized.
7207 * common.opt (Wstrict-aliasing): Specify Var and Init.
7208 (Wstrict-overflow): Likewise.
7210 2008-01-22 Kenneth Zadeck <zadeck@naturalbridge.com>
7212 PR rtl-optimization/26854
7213 PR rtl-optimization/34400
7214 PR rtl-optimization/34884
7215 * ddg.c (create_ddg_dep_from_intra_loop_link): Use
7217 * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
7218 (df_rd_bb_info.expanded_lr_out): Deleted
7219 * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
7220 * loop_iv.c (iv_analysis_loop_init): Ditto. * df-problems.c
7221 (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7222 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7223 Removed code to allocate, initialize or free expanded_lr_out.
7224 (df_rd_bb_local_compute_process_def): Restructured to make more
7226 (df_rd_confluence_n): Removed code to no apply invalidate_by_call
7227 sets if the sets are being trimmed.
7229 2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
7232 * configure.ac (ld_vers): Support GNU linker version xx.xx.*
7233 (as_vers): Likewise.
7234 * configure: Regenerated.
7236 2008-01-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7239 * tree-pass.h (pass_build_alias): New pass.
7240 * tree-ssa-alias.c (gate_build_alias): New.
7241 (pass_build_alias): New.
7242 * passes.c (init_optimization_passes): Add pass_build_alias after
7243 pass_create_structure_vars.
7245 2008-01-22 Wolfgang Gellerich <gellerich@de.ibm.com>
7247 * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
7248 Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
7249 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
7250 S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
7251 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
7252 S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
7253 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
7254 S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
7255 (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
7256 (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
7257 (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
7258 (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
7259 * config/s390/s390.md (FP_ALL): New mode iterator.
7260 (_d): New mode attribute.
7261 ("*signbit<mode>2>"): Changed mode of first operand.
7262 ("isinf<mode>2"): Changed mode of first operand.
7263 ("*TDC_insn"): Adaptation for DFP modes.
7265 2008-01-22 Ben Elliston <bje@au.ibm.com>
7267 * tree.c (check_qualified_type): Improve function description.
7269 2008-01-21 Jason Merrill <jason@redhat.com>
7272 * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
7273 * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
7276 2008-01-21 DJ Delorie <dj@redhat.com>
7278 * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
7281 2008-01-21 Richard Guenther <rguenther@suse.de>
7284 * tree-cfg.c (verify_expr): Allow all invariant expressions
7285 instead of just constant class ones as reference argument.
7286 * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
7287 like any other constant.
7288 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
7290 2008-01-21 H.J. Lu <hongjiu.lu@intel.com>
7292 * regmove.c (fixup_match_1): Update call crossed frequencies.
7294 2008-01-21 Richard Guenther <rguenther@suse.de>
7297 * tree-inline.c (setup_one_parameter): Deal with mismatched
7298 types using a VIEW_CONVERT_EXPR.
7300 2008-01-21 Alon Dayan <alond@il.ibm.com>
7301 Olga Golovanevsky <olga@il.ibm.com>
7303 PR tree-optimization/34701
7304 * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
7305 when the structure size is not a power of 2.
7307 2008-01-20 Kenneth Zadeck <zadeck@naturalbridge.com>
7309 * doc/install.texi: Add doc for --enable-checking=df.
7311 2008-01-20 Kaz Kojima <kkojima@gcc.gnu.org>
7313 PR rtl-optimization/34808
7314 * emit-rtl.c (try_split): Handle REG_RETVAL notes.
7316 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7318 * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
7321 2008-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
7323 PR rtl-optimization/26854
7324 PR rtl-optimization/34400
7325 * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
7327 * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
7328 (df_rd_bb_info.expanded_lr_out): New.
7329 * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
7330 * loop_iv.c (iv_analysis_loop_init): Ditto.
7331 * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
7332 df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
7333 Added code to allocate, initialize or free expanded_lr_out.
7334 (df_rd_bb_local_compute_process_def): Restructured to make
7335 more understandable.
7336 (df_rd_confluence_n): Add code to do nothing with fake edges and
7337 code to no apply invalidate_by_call sets if the sets are being trimmed.
7338 (df_lr_local_finalize): Renamed to df_lr_finalize.
7339 (df_live_local_finalize): Renamed to df_live_finalize.
7341 2008-01-20 Richard Sandiford <rsandifo@nildram.co.uk>
7344 * config/mips/mips.md (div<mode>3): Use <recip_condition> when
7345 deciding whether to use reciprocal instructions.
7347 2008-01-19 Uros Bizjak <ubizjak@gmail.com>
7349 * dwarf2out.c (dwarf2out_switch_text_section): Do not call
7350 dwarf2out_note_section_used if cold_text_section is NULL.
7352 2008-01-19 Jakub Jelinek <jakub@redhat.com>
7354 PR gcov-profile/34610
7355 * tree-cfg.c (make_edges): Mark both outgoing edges from
7356 OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
7357 * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
7358 from OMP_FOR and OMP_CONTINUE outgoing edges.
7360 * tree-profile.c (tree_profiling): Return early if
7361 cfun->after_tree_profile != 0. Set cfun->after_tree_profile
7363 * omp-low.c (expand_omp_parallel): Copy after_tree_profile
7364 from cfun to child_cfun.
7365 * function.h (struct function): Add after_tree_profile bit.
7367 2008-01-19 Anatoly Sokolov <aesok@post.ru>
7369 * config/avr/avr.S (_exit): Disable interrupt.
7371 2008-01-18 Kenneth Zadeck <zadeck@naturalbridge.com>
7372 Steven Bosscher <stevenb.gcc@gmail.com>
7374 PR rtl-optimization/26854
7375 PR rtl-optimization/34400
7376 * df-problems.c (df_live_scratch): New scratch bitmap.
7377 (df_live_alloc): Allocate df_live_scratch when doing df_live.
7378 (df_live_reset): Clear the proper bitmaps.
7379 (df_live_bb_local_compute): Only process the artificial defs once
7380 since the order is not important.
7381 (df_live_init): Init the df_live sets only with the variables
7382 found live by df_lr.
7383 (df_live_transfer_function): Use the df_lr sets to prune the
7384 df_live sets as they are being computed.
7385 (df_live_free): Free df_live_scratch.
7387 2008-01-18 Ian Lance Taylor <iant@google.com>
7389 * common.opt: Add fmerge-debug-strings.
7390 * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
7391 flag_merge_debug_strings rather than flag_merge_constants.
7392 * doc/invoke.texi (Option Summary): Mention
7393 -fmerge-debug-strings.
7394 (Debugging Options): Document -fmerge-debug-strings.
7396 2008-01-18 Ian Lance Taylor <iant@google.com>
7399 * tree.h (DECL_IS_OPERATOR_NEW): Define.
7400 (struct tree_function_decl): Add new field operator_new_flag.
7401 * tree-inline.c (expand_call_inline): When inlining a call to
7402 operator new, force the return value to go into a variable, and
7403 set DECL_NO_TBAA_P on that variable.
7404 * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
7406 2008-01-18 Uros Bizjak <ubizjak@gmail.com>
7409 * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
7410 DWARF2_DEBUGGING_INFO.
7411 (dwarf2out_note_section_used): Ditto. Add prototype.
7412 (have_multiple_function_sections, text_section_used,
7413 cold_text_section_used, *cold_text_sections): Move declarations
7416 2008-01-17 Bob Wilson <bob.wilson@acm.org>
7418 * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
7419 field and add signal_ra.
7420 * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
7421 assignments to frame state pc. Move end of stack check after
7422 MD_FALLBACK_FRAME_STATE_FOR.
7423 (uw_update_context_1): Use frame state signal_regs if set, instead
7424 of checking signal_frame flag.
7425 (uw_update_context): Use frame state signal_ra if set.
7426 * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
7427 * config/xtensa/linux-unwind.h: New file.
7429 2008-01-18 Bernhard Fischer <aldot@gcc.gnu.org>
7431 * modulo-sched.c (get_sched_window): Fix comment typo.
7433 2008-01-17 Andrew MacLeod <amacleod@redhat.com>
7435 PR tree-optimization/34648
7436 * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
7438 2008-01-17 Anatoly Sokolov <aesok@post.ru>
7440 * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
7441 * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
7443 2008-01-17 Seongbae Park <seongbae.park@gmail.com>
7445 PR rtl-optimization/34400
7446 * df-core.c (df_worklist_dataflow_overeager,
7447 df_worklist_dataflow_doublequeue): New functions.
7448 (df_worklist_dataflow): Two different worklist solvers.
7449 * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
7452 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7455 * doc/invoke.texi: Document the dependence on pthread for fopenmp
7456 and ftree-parallelize-loops.
7458 2008-01-17 Mircea Namolaru <namolaru@il.ibm.com>
7460 PR rtl-optimization/34826
7461 * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
7463 2008-01-17 Andreas Krebbel <krebbel1@de.ibm.com>
7465 * global.c (find_reg): Mark the eh regs as used if necessary.
7466 * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
7467 * ra.h (struct allocno): no_eh_reg field added. Changed
7468 no_stack_reg type to bitfield.
7470 2008-01-17 Eric Botcazou <ebotcazou@adacore.com>
7472 * tree.c (substitute_in_expr): Add missing 'break'.
7474 2008-01-17 Richard Guenther <rguenther@suse.de>
7476 PR tree-optimization/34825
7477 * tree-ssa-math-opts.c (is_division_by): Do not recognize
7478 x / x as division to handle.
7480 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7482 * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
7483 "-pthread" is specified.
7484 * pa-hpux11.h (LIB_SPEC): Likewise.
7486 2008-01-16 Janis Johnson <janis187@us.ibm.com>
7487 Peter Bergner <bergner@vnet.ibm.com>
7489 PR rtl-optimization/33796
7490 * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
7492 2008-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7494 PR libgfortran/34699
7495 * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
7497 * pa-hpux10.h (LINK_SPEC): Likewise.
7498 * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
7500 2008-01-16 Richard Guenther <rguenther@suse.de>
7503 * fold-const.c (fold_convert_const_int_from_int): Do not
7504 set overflow if that occured only because of a sign extension
7505 change when converting from/to a sizetype with the same
7506 precision and signedness.
7508 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7511 * dwarf2out.c (output_call_frame_info): Move output of FDE initial
7512 location address to the correct place. Update copyright year.
7514 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7516 * lambda-code.c (lambda_transform_legal_p): Handle the case of
7517 no dependences in the dependence_relations vector.
7519 2008-01-16 Jan Hubicka <jh@suse.cz>
7521 PR rtl-optimization/31396
7522 * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
7523 * cfg.c (dump_reg_info): Print it.
7524 * regs.h (struct reg_info_t): add freq_calls_crossed.
7525 (REG_FREQ_CALLS_CROSSED): New macro.
7526 * global.c (global_alloc): Compute freq_calls_crossed for allocno.
7527 (find_reg): Update call of CALLER_SAVE_PROFITABLE.
7528 * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
7529 regmove_optimize): Update call crossed frequencies.
7530 * local-alloc.c (struct qty): Add freq_calls_crossed.
7531 (alloc_qty): Copute freq_calls_crossed.
7532 (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
7533 (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
7534 * ra.h (struct allocno): Add freq_calls_crossed.
7536 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7538 * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
7539 libgomp when compiling with ftree-parallelize-loops.
7540 (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
7542 2008-01-16 Richard Guenther <rguenther@suse.de>
7544 PR tree-optimization/34769
7545 * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
7546 * tree.c (int_cst_value): Instead make this function more
7547 permissive in what it accepts as valid input. Document this
7548 function always sign-extends the value.
7550 2008-01-16 Jakub Jelinek <jakub@redhat.com>
7551 Richard Guenther <rguenther@suse.de>
7554 * gimplify.c (fold_indirect_ref_rhs): Rename to ...
7555 (gimple_fold_indirect_ref_rhs): ... this.
7556 (gimple_fold_indirect_ref): New function with foldings
7557 that preserve lvalueness.
7558 (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
7559 * tree-flow.h (gimple_fold_indirect_ref): Declare.
7560 * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
7561 to fold an INDIRECT_REF, fall back to the old use of
7562 fold_indirect_ref_1.
7564 2008-01-16 Sebastian Pop <sebastian.pop@amd.com>
7566 * tree-data-ref.c (subscript_dependence_tester_1): Call
7567 free_conflict_function.
7568 (compute_self_dependence): Same.
7570 2008-01-16 Uros Bizjak <ubizjak@gmail.com>
7573 * debug.h (dwarf2out_switch_text_section): Move declaration from ...
7574 * dwarf2out.c (dwarf2out_switch_text_section): ... here. Make
7576 * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
7577 Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
7578 for DWARF2_UNWIND_INFO targets.
7580 2008-01-16 Richard Guenther <rguenther@suse.de>
7583 * c-typeck.c (common_pointer_type): Do not merge inconsistent
7584 type qualifiers for function types.
7586 2008-01-15 Jerry DeLisle <jvdelisle@gcc.gnu.org>
7588 * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
7589 loop_iterator li from previous commit.
7591 2008-01-15 Sebastian Pop <sebastian.pop@amd.com>
7593 * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
7595 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7597 * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
7598 (parallelize_loops): Don't parallelize irreducible components.
7600 2008-01-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7603 * c-opts (c_common_post_options): Do not enable CPP
7604 flag_pedantic_errors by default.
7606 2008-01-14 Eric Botcazou <ebotcazou@adacore.com>
7608 PR rtl-optimization/31944
7609 * cse.c (remove_pseudo_from_table): New function.
7610 (merge_equiv_classes): Use above function to remove pseudo-registers.
7611 (invalidate): Likewise.
7613 2008-01-13 Richard Guenther <rguenther@suse.de>
7616 * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
7617 instead of TYPE_MODE to deal with calls from expand_one_error_var.
7619 2008-01-13 Uros Bizjak <ubizjak@gmail.com>
7621 * gcse.c (cprop_jump): Call validate_unshare_change instead of
7622 validate_change to unshare the source of the PC set.
7624 2008-01-12 Jan Hubicka <jh@suse.cz>
7627 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
7628 references above array bounds. This might trigger bounds checks for
7631 2008-01-12 Sebastian Pop <sebastian.pop@amd.com>
7633 * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
7634 new_replaceable_dependencies.
7636 2008-01-12 Doug Kwan <dougkwan@google.com>
7638 * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
7639 instead of OPT_Wreturn_type in warning due to ignored return type
7641 * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
7642 options included in -Wextra.
7643 * c.opt: New option -Wignored_qualifiers.
7644 * doc/invoke.texi (Warning Options, -Wextra): Add new option
7645 -Wignore_qualifiers.
7646 (-Wignored-qualifiers): Document.
7647 (-Wreturn-type): Remove description of functionality now handled
7648 by -Wignored-qualifiers.
7650 2008-01-12 Eric Botcazou <ebotcazou@adacore.com>
7653 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
7654 NOP_EXPR if it is between integral types with the same precision.
7656 2008-01-12 Jan Hubicka <jh@suse.cz>
7659 * invoke.texi (max-inline-recursive-depth): Fix default value.
7661 2008-01-12 Zdenek Dvorak <ook@ucw.cz>
7663 * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
7666 2008-01-11 Bob Wilson <bob.wilson@acm.org>
7668 * config/xtensa/xtensa.c (override_options): Set flag_shlib.
7670 2008-01-11 James E. Wilson <wilson@specifix.com>
7673 * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
7675 2008-01-11 Anatoly Sokolov <aesok@post.ru>
7677 * config/avr/avr.c (expand_prologue, expand_epilogue): Don't
7678 save/restore frame pointer register and don't use 'call-prologues'
7679 optimization in function with "OS_task" attribute.
7681 2008-01-11 Eric Botcazou <ebotcazou@adacore.com>
7684 * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
7685 when copying to memory.
7687 2008-01-11 Steven Bosscher <stevenb.gcc@gmail.com>
7689 PR rtl-optimization/30905
7690 * cfgcleanup.c: Include dce.h
7691 (crossjumps_occured): New global variable.
7692 (try_crossjump_bb): Exit loop after finding a fallthru edge.
7693 If something changed, set crossjumps_occured to true.
7694 (try_optimize_cfg): Clear crossjumps_occured at the beginning.
7695 Don't add/remove fake edges to exit here...
7696 (cleanup_cfg): ...but do it here, when crossjumping.
7697 Run a fast DCE when successful crossjumps occured in the latest
7698 iteration of try_optimize_cfg.
7700 2008-01-11 Richard Guenther <rguenther@suse.de>
7702 * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
7703 (struct vn_unary_op_s): Likewise.
7704 (vn_reference_insert): Free old reference on hash collision.
7706 2008-01-10 Raksit Ashok <raksit@google.com>
7708 PR rtl-optimization/27971
7709 * combine.c (find_split_point): Split PLUS expressions which are
7710 inside a MEM rtx, and whose first operand is complex.
7712 2008-01-10 DJ Delorie <dj@redhat.com>
7714 * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
7715 (m32c_hard_regno_nregs): ...this, which is now a wrapper.
7716 (m32c_hard_regno_ok): Call the underlying function.
7718 2008-01-10 Richard Guenther <rguenther@suse.de>
7721 * tree-cfg.c (tree_merge_blocks): Do not go through the
7722 full-blown folding and stmt updating path if we just deal
7723 with virtual operands.
7724 * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
7725 test for abnormal SSA_NAMEs.
7727 2008-01-10 Andreas Krebbel <krebbel1@de.ibm.com>
7730 * reload.c (push_reload): Add assertions. All constants from
7731 reg_equiv_constant should have been used for replacing the respective
7733 (find_reloads_address): Invoke find_reloads_address_part for
7734 constant taken from the reg_equiv_constant array.
7736 2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
7738 * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
7739 field (valnum) the first in the struct. Replace bools with
7742 2008-01-10 Richard Guenther <rguenther@suse.de>
7744 PR tree-optimization/34651
7745 * tree-sra.c (sra_build_assignment): Sanitize. Use the correct
7746 types and ordering for masking and converting.
7748 2008-01-09 Sebastian Pop <sebastian.pop@amd.com>
7750 PR tree-optimization/34017
7751 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
7752 also for PHI_NODE expressions.
7754 2008-01-09 Jan Hubicka <jh@suse.cz>
7756 PR tree-optimization/34708
7757 * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
7758 based on number of case labels.
7759 (init_inline_once): Remove switch_cost.
7760 * tree-inline.h (eni_weights_d): Remove switch_cost.
7762 2008-01-09 Richard Guenther <rguenther@suse.de>
7763 Andrew Pinski <andrew_pinski@playstation.sony.com>
7766 * gimplify.c (gimplify_cond_expr): Do not create an addressable
7767 temporary if an rvalue is ok or an lvalue is not required.
7769 2008-01-09 Richard Guenther <rguenther@suse.de>
7772 * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
7775 2008-01-09 Richard Guenther <rguenther@suse.de>
7778 * tree.c (host_integerp): Check for sizetype only if the
7779 type is an integer type.
7781 2008-01-09 Steven Bosscher <stevenb.gcc@gmail.com>
7784 * opts.c (decode_options): Disable inlining of functions called
7785 once if not in unit-at-a-time mode.
7787 2008-01-09 Alexandre Oliva <aoliva@redhat.com>
7789 * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
7791 2008-01-08 Richard Guenther <rguenther@suse.de>
7794 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
7795 out early if the result will be unused.
7797 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7802 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7803 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7806 2008-01-08 Jan Sjodin <jan.sjodin@amd.com>
7808 * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
7809 for vectorization tuned.
7811 2008-01-08 Richard Guenther <rguenther@suse.de>
7813 PR tree-optimization/34683
7814 * tree-ssa-operands.c (operand_build_cmp): Export.
7815 * tree-ssa-operands.h (operand_build_cmp): Declare.
7816 * tree-vn.c (vuses_compare): Remove.
7817 (sort_vuses): Use operand_build_cmp.
7818 (sort_vuses_heap): Likewise.
7819 * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
7820 to re-use old VEC if available. Do not sort already sorted VUSEs.
7821 (vdefs_to_vec): Do not sort already sorted VDEFs.
7823 2008-01-08 Jakub Jelinek <jakub@redhat.com>
7826 * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
7828 2008-01-08 Uros Bizjak <ubizjak@gmail.com>
7831 * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
7832 limitations of reciprocal sequences on x86 targets.
7834 2008-01-08 Richard Guenther <rguenther@suse.de>
7836 PR tree-optimization/34683
7837 * tree-flow-inline.h (var_ann): Remove overzealous asserts.
7839 2008-01-07 Jakub Jelinek <jakub@redhat.com>
7842 * config/darwin.c (darwin_mergeable_string_section): Don't use
7843 .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
7845 2008-01-07 Uros Bizjak <ubizjak@gmail.com>
7848 * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
7849 negxf2. Macroize expander using X87MODEF mode iterator. Change
7850 predicates of op0 and op1 to register_operand.
7851 (abs<mode>2): Rename from abssf2, absdf2 and negxf2. Macroize
7852 expander using X87MODEF mode iterator. Change predicates of
7853 op0 and op1 to register_operand.
7854 ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
7855 corresponding patterns and macroize using MODEF macro. Change
7856 predicates of op0 and op1 to register_operand and remove
7857 "m" constraint. Disparage "r" alternative with "!".
7858 ("*absneg<mode>2_i387"): Rename from corresponding patterns and
7859 macroize using X87MODEF macro. Change predicates of op0 and op1
7860 to register_operand and remove "m" constraint. Disparage "r"
7861 alternative with "!".
7862 (absneg splitter with memory operands): Remove.
7863 ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
7864 patterns and macroize using X87MODEF mode iterator.
7865 * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
7866 Change predicate of op1 to register_operand.
7867 * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
7868 for memory operands.
7870 2008-01-07 Nathan Froyd <froydnj@codesourcery.com>
7872 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
7874 2008-01-07 Richard Guenther <rguenther@suse.de>
7876 * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
7879 2008-01-07 Richard Guenther <rguenther@suse.de>
7881 PR tree-optimization/34683
7882 * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
7883 VOPs of the needed size to save memory. Use VEC_quick_push
7884 to save compile-time.
7885 (vdefs_to_vec): Likewise.
7887 2008-01-07 Sa Liu <saliu@de.ibm.com>
7889 * config/spu/spu.md (divdf3): Genetate inline code for double
7890 division. The implementation doesn't handle INF or NAN, therefore it
7891 only applies when -ffinite-math-only is given.
7893 2008-01-06 Paolo Carlini <pcarlini@suse.de>
7896 * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
7897 * doc/cpp.texi ([Common Predefined Macros]): Document.
7899 2008-01-06 Uros Bizjak <ubizjak@gmail.com>
7901 * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
7902 order to use commutative addition instead of subtraction.
7904 2008-01-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
7905 Mircea Namolaru <namolaru@il.ibm.com>
7906 Vladimir Yanovsky <yanov@il.ibm.com>
7907 Revital Eres <eres@il.ibm.com>
7909 PR tree-optimization/34263
7910 * tree-outof-ssa.c (process_single_block_loop_latch,
7911 contains_tree_r): New functions.
7912 (analyze_edges_for_bb): Call process_single_block_loop_latch
7913 function to empty single-basic-block latch block if possible.
7915 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7917 * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
7919 (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
7921 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7923 * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
7925 2008-01-05 Richard Sandiford <rsandifo@nildram.co.uk>
7927 * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
7929 2008-01-05 Jakub Jelinek <jakub@redhat.com>
7931 PR tree-optimization/34618
7932 * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
7935 2008-01-05 Uros Bizjak <ubizjak@gmail.com>
7938 * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
7939 in the call to gen_rtx_NE. Remove unneeded VECTOR_MODE_P check.
7940 Update copyright year.
7942 * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
7943 Update copyright year.
7944 * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
7947 2008-01-05 Zhouyi Zhou <zhouzhouyi@FreeBSD.org>
7949 * tree-vrp.c (find_conditional_asserts): Remove redundant check that
7950 edge does not point to current bb before changing need_assert.
7952 2008-01-04 Richard Guenther <rguenther@suse.de>
7955 * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
7956 for verifying purposes if they are is_gimple_min_invariant.
7958 2008-01-04 Aldy Hernandez <aldyh@redhat.com>
7960 PR tree-optimization/34448
7961 PR tree-optimization/34465
7962 * gimplify.c (gimplify_init_constructor): Add new parameter
7963 notify_temp_creation. Use it.
7964 (gimplify_modify_expr_rhs): Take volatiles into account when
7965 optimizing constructors.
7966 Do not optimize constructors if gimplify_init_constructor will dump to
7968 * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
7969 * gcc.c-torture/compile/pr34448.c: New.
7971 2008-01-04 Jakub Jelinek <jakub@redhat.com>
7973 PR gcov-profile/34609
7974 * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
7975 return_slot if result is TREE_ADDRESSABLE.
7977 2008-01-04 Richard Sandiford <rsandifo@nildram.co.uk>
7979 * config/mips/mips.md (sqrt_condition): Tweak comment.
7980 (recip_condition): Likewise. Require TARGET_FLOAT64 for DFmode.
7982 2008-01-03 Tom Tromey <tromey@redhat.com>
7985 * c-common.c (c_type_hash): Handle VLAs.
7987 2008-01-03 Jan Hubicka <jh@suse.cz>
7989 PR tree-optimization/31081
7990 * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
7991 0 when inlining and not inlining to first basic block.
7992 (remap_decl): When var is initialized to 0, don't set default_def.
7993 (expand_call_inline): Set entry_bb.
7994 * tree-inline.h (copy_body_data): Add entry_bb.
7996 2008-01-03 Jakub Jelinek <jakub@redhat.com>
7999 * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
8002 PR tree-optimization/29484
8003 * tree-inline.c (inline_forbidden_p_2): New function.
8004 (inline_forbidden_p): Disallow inlining if some static var
8005 has an address of a local LABEL_DECL in its initializer.
8006 * doc/extend.texi (Labels as Values): Document &&foo behaviour
8009 2008-01-03 Sebastian Pop <sebastian.pop@amd.com>
8011 PR tree-optimization/34635
8012 * tree-data-ref.c (add_other_self_distances): Make sure that the
8013 evolution step is constant.
8015 2008-01-03 Jakub Jelinek <jakub@redhat.com>
8018 * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
8020 2008-01-02 Richard Sandiford <rsandifo@nildram.co.uk>
8022 * tree-sra.c (scalarize_init): Insert the generate_element_init
8023 statements after the generate_element_zero statements.
8025 2008-01-02 Richard Guenther <rguenther@suse.de>
8029 * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
8030 for very large number of operands instead of ICEing.
8032 2008-01-02 Arthur Norman <acn1@cam.ac.uk>
8035 * config/i386/i386.c (ix86_expand_prologue): Save red-zone
8036 while stack probing.
8038 2008-01-01 Douglas Gregor <doug.gregor@gmail.com>
8040 * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
8043 2008-01-01 Volker Reichelt <v.reichelt@netcologne.de>
8046 * tree-mudflap.c (mx_register_decls): Guard warning by
8047 !DECL_ARTIFICIAL check.
8049 2008-01-01 Jakub Jelinek <jakub@redhat.com>
8051 * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
8052 sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
8053 sse5_perm<mode>): Fix constraints.