1 2007-07-11 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and
5 * config/mips/mips.c (mips_cpu_info_table): Mention MIPS_ISA_LEVEL_SPEC
8 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
10 PR tree-optimization/32713
11 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
13 2007-07-11 Paolo Carlini <pcarlini@suse.de>
16 * c-opts.c (c_common_post_options): Do not change flag_complex_method
17 conditional to flag_isoc99.
18 (c_common_init_options): Do it here, unconditionally.
20 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
22 PR tree-optimization/32589
23 * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
24 * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
25 * tree-ssa-propagate.c (valid_gimple_expression_p): New
26 predicate, extracted from...
27 (set_rhs): ...here. Call it for the expression on entry.
28 * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
29 * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
30 (simplify_binary_expression): Use valid_gimple_expression_p
31 to validate the simplification.
32 * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
34 2007-07-11 Danny Smith <dannysmith@users.sourceforge.net>
36 * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
37 DWARF2_DEBUG on 32 bit target too.
38 (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
40 2007-07-11 Nick Clifton <nickc@redhat.com>
42 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
43 version for 64-bit hosts.
45 2007-07-10 David Daney <ddaney@avtrex.com>
47 * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
49 (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library
51 * config/mips/mips.c (mips_expand_synci_loop): New function.
52 * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
56 (clear_cache): New expand.
61 * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
63 * testsuite/gcc.target/mips/clear-cache-1.c: New test.
64 * testsuite/gcc.target/mips/clear-cache-2.c: New test.
66 2007-07-10 Ian Lance Taylor <iant@google.com>
68 * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
71 2007-07-10 David Daney <ddaney@avtrex.com>
73 * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
74 * builtins.c (expand_builtin___clear_cache): New function.
75 (expand_builtin): Call expand_builtin___clear_cache for
76 BUILT_IN_CLEAR_CACHE case.
77 * doc/extend.texi (__builtin___clear_cache): Document new builtin.
78 * doc/md.texi (clear_cache): Document new instruction pattern.
79 * testsuite/gcc.dg/builtins-64.c: New test.
81 2007-07-11 Hans-Peter Nilsson <hp@axis.com>
83 * config/cris/cris.md ("movsi"): Fix typo in last change.
85 2007-07-09 Geoffrey Keating <geoffk@apple.com>
88 * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
90 (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
91 * varasm.c (assemble_start_function): Honor DECL_ALIGN
92 for FUNCTION_DECLs. Don't use align_functions_log if
94 * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
95 even for FUNCTION_DECLs.
96 * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
98 * tree.h (DECL_ALIGN): Update for new location of 'align'.
99 (DECL_FUNCTION_CODE): Update for new location and name of
101 (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
102 (struct tree_decl_common): Move 'align' and 'off_align' out
103 of union, ensure they're still on a 32-bit boundary. Remove
104 other fields in union 'u1'.
105 (struct tree_function_decl): Add field 'function_code' replacing
106 'u1.f' in tree_decl_common.
107 * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
108 * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
109 (Variable Attributes): Cross-reference 'aligned' attribute
110 to Function Attributes.
111 * flags.h (force_align_functions_log): Delete.
112 * toplev.c (force_align_functions_log): Delete.
114 2007-07-10 Uros Bizjak <ubizjak@gmail.com>
117 * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
118 (*vec_concatv2di_rex): New insn pattern.
120 2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
123 * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
125 2007-07-10 Ian Lance Taylor <iant@google.com>
127 Replace no_new_pseudos in backends.
128 * rtl.h (can_create_pseudo_p): Define.
129 * config/darwin.c (machopic_indirect_data_reference): Use
130 can_create_pseudo_p () instead of no_new_pseudos.
131 (machopic_indirect_data_reference): Likewise.
132 (machopic_legitimize_pic_address): Likewise.
133 * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
134 (alpha_emit_set_const_1): Likewise.
135 (alpha_emit_set_const): Likewise.
136 (alpha_emit_conditional_move): Likewise.
137 (alpha_split_conditional_move): Likewise.
138 * config/alpha/alpha.md (various splitters): Likewise.
140 * config/arm/arm.c (legitimize_pic_address): Likewise.
141 (arm_load_pic_register): Likewise.
142 * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
143 (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
144 * config/bfin/bfin.c (legitimize_pic_address): Likewise.
145 * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
146 * config/cris/cris.md (movsi): Likewise.
147 * config/frv/frv.md (symGOT2reg_hilo): Likewise.
148 (symGOTOFF2reg_hilo): Likewise.
149 (symGPREL2reg, symGPREL2reg_hilo): Likewise.
150 * config/h8300/h8300.md (insv, extzv): Likewise.
151 * config/i386/i386.c (ix86_expand_move): Likewise.
152 (ix86_expand_vector_move): Likewise.
153 (ix86_prepare_fp_compare_args): Likewise.
154 (ix86_expand_carry_flag_compare): Likewise.
155 * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
156 (tls_dynamic_gnu2_combine_32): Likewise.
157 (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
158 * config/ia64/ia64.c (ia64_expand_move): Likewise.
159 (ia64_expand_movxf_movrf): Likewise.
160 * config/m32c/m32c.c (m32c_prepare_move): Likewise.
161 (m32c_split_move): Likewise.
162 (m32c_expand_insv): Likewise.
163 * config/m68k/m68k.md (movsi): Likewise.
164 * config/mips/mips.c (mips_force_temporary): Likewise.
165 (mips_split_symbol): Likewise.
166 (mips_move_integer): Likewise.
167 (mips_legitimize_const_move): Likewise.
168 * config/mn10300/mn10300.md (movsi): Likewise.
169 * config/pa/pa.c (emit_move_sequence): Likewise.
170 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
171 (rs6000_got_register): Likewise.
172 (create_TOC_reference): Likewise.
173 (rs6000_machopic_legitimize_pic_address): Likewise.
174 * config/rs6000/rs6000.md (add<mode>3): Likewise.
175 (various splitters): Likewise.
176 (iorsi3, xorsi3, iordi3, xordi3): Likewise.
177 (movsi_got): Likewise.
178 * config/s390/s390.c (emit_symbolic_move): Likewise.
179 * config/s390/s390.md (movhi, movqi): Likewise.
180 (load_multiple, store_multiple): Likewise.
181 * config/score/score.c (score_force_temporary): Likewise.
182 * config/sh/sh.c (prepare_move_operands): Likewise.
183 (prepare_cbranch_operands): Likewise.
184 (emit_fpu_switch): Likewise.
185 (fpscr_set_from_mem): Likewise.
186 * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
187 (adddi3, subsi3): Likewise.
188 (various splitters): Likewise.
189 (divsi_inv_fp_combine): Likewise.
190 (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
191 (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
193 * config/sh/predicates.md (xor_operand): Likewise.
194 * config/sparc/sparc.c (legitimize_tls_address): Likewise.
195 * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
196 (movdi_pic_label_ref): Likewise.
197 * config/spu/spu.c (spu_split_immediate): Likewise.
198 * config/alpha/alpha.md (various splitters): Remove test
199 !no_new_pseudos || reload_completed.
200 * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
202 * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
203 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
204 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
205 * config/score/score.c (th_output_mi_thunk): Likewise.
206 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
207 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
209 2007-07-10 Kaz Kojima <kkojima@gcc.gnu.org>
211 PR rtl-optimization/32664
212 * mode-switching.c (create_pre_exit): Skip barrier insns.
214 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
216 * tree-scalar-evolution.c (scev_const_prop): Add arguments to
217 force_gimple_operand_bsi.
218 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
219 rewrite_use_compare): Ditto.
220 * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
222 * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
223 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
224 * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
225 * tree-profile.c (prepare_instrumented_value,
226 tree_gen_interval_profiler, tree_gen_pow2_profiler,
227 tree_gen_one_value_profiler, tree_gen_ic_profiler,
228 tree_gen_ic_func_profiler, tree_gen_average_profiler,
229 tree_gen_ior_profiler): Ditto.
230 * tree-ssa-reassoc.c (negate_value): Ditto.
231 * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
232 Use force_gimple_operand_bsi.
233 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
234 * tree-if-conv.c (add_to_dst_predicate_list,
235 find_phi_replacement_condition): Ditto.
236 * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
237 Call mark_symbols_for_renaming for new statements.
238 * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
240 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
242 * cfghooks.c (remove_edge): New function.
243 (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
245 * cfghooks.h (remove_edge): Declare.
246 * cfg.c (remove_edge): Renamed to remove_edge_raw.
247 * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
249 2007-07-09 Wolfgang Gellerich <gellerich@de.ibm.com>
251 * optabs.h: Added declaration for signbit_optab.
252 * optabs.c: (init_optabs): Added initialization for signbit_optab.
253 * genoptinit.c (optabs): Added entry for signbit insns.
254 * builtins.c (expand_builtin_signbit): Added code to use a signbit
256 * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
257 * config/s390/s390.md (signbit<mode>2): New expander.
259 2007-07-09 Richard Guenther <rguenther@suse.de>
262 * fold-const.c (fold_plusminus_mult_expr): Move constant
263 arguments second to allow decomposing.
265 2007-07-09 Alexandre Oliva <aoliva@oliva.athome.lsd.ic.unicamp.br>
268 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
270 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
271 Disregard DECL_FROM_INLINE.
273 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
276 * doc/invoke.texi: Add ftree-reassoc flag.
277 * common.opt (ftree-reassoc): New flag.
278 * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
279 (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
281 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
283 PR tree-optimization/32681
284 * tree-if-conv.c (find_phi_replacement_condition): Use the condition
285 saved in second_edge->aux when first_bb is a loop header.
287 2007-07-09 Jan HUbicka <jh@suse.cz>
289 * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
291 2007-07-09 Richard Guenther <rguenther@suse.de>
293 * c-decl.c (start_function): Do not promote return type.
295 2007-07-08 Daniel Franke <franke.daniel@gmail.com>
297 * function.c (do_warn_unused_parameter): Do not warn if
298 TREE_NO_WARNING is set.
300 2007-07-08 Andreas Schwab <schwab@suse.de>
302 * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
304 2007-07-08 Sandra Loosemore <sandra@codesourcery.com>
307 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
309 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
310 apply to assembly language, too.
311 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
313 2007-07-07 Daniel Berlin <dberlin@dberlin.org>
315 Revert (note the sccvn portions are *not* reverted)
316 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
318 Fix PR tree-optimization/23488
320 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
322 * tree-flow-inline.h (get_value_handle): Ditto.
323 * tree-ssa-pre.c (decl_vh_map): New.
324 (decl_node_pool): New.
325 (can_value_number_operation): Support DECL_P.
326 (can_PRE_operation): Ditto.
327 (create_expression_by_pieces): Ditto.
328 (find_existing_value_expr): Modify to differnetiate between
329 addressing and top level.
330 (create_value_handle_for_expr): Handle DECL's.
331 (poolify_tree): Ditto.
332 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
333 (make_values_for_stmt): Handle DECL's properly.
334 (init_pre): Reorg to not init useless things during FRE.
336 * tree-flow.h: Include pointer-set.h.
337 (decl_vh_map): Declare.
338 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
340 2007-07-07 Eric Weddington <eweddington@cso.atmel.com>
342 * config/avr/constraints.md (define_memory_constraint "Q"): Fix
343 the constraint description.
344 * doc/md.texi: Update documentation of AVR constraints.
346 2007-07-07 Kazu Hirata <kazu@codesourcery.com>
348 * auto-inc-dec.c, config/arm/arm.c,
349 config/m32r/constraints.md, config/mips/mips.md,
350 config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
351 df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
352 tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
353 typos. Follow spelling conventions.
354 * doc/invoke.texi, doc/rtl.texi: Fix typos.
356 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
357 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
359 * tree-ssa-operands.c (realloc_vop, realloc_vdef,
360 realloc_vuse): Remove.
361 * tree-ssa-operands.h: Remove the prototype for realloc_vdef
364 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
366 Fix PR tree-optimization/23488
368 * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
369 (try_to_simplify): Ditto.
371 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
373 * tree-flow-inline.h (get_value_handle): Ditto.
374 * tree-ssa-pre.c (decl_vh_map): New.
375 (decl_node_pool): New.
376 (can_value_number_operation): Support DECL_P.
377 (can_PRE_operation): Ditto.
378 (create_expression_by_pieces): Ditto.
379 (find_existing_value_expr): Modify to differnetiate between
380 addressing and top level.
381 (create_value_handle_for_expr): Handle DECL's.
382 (poolify_tree): Ditto.
383 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
384 (make_values_for_stmt): Handle DECL's properly.
385 (init_pre): Reorg to not init useless things during FRE.
387 * tree-flow.h: Include pointer-set.h.
388 (decl_vh_map): Declare.
389 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
391 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
393 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
394 apply to assembly language, too.
395 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
397 2007-07-06 Ian Lance Taylor <iant@google.com>
398 Zack Weinberg <zackw@panix.com>
401 * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
403 2007-07-06 Richard Sandiford <richard@codesourcery.com>
405 * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
406 (prefetch): Likewise if "pref" would be used.
408 2007-07-06 Josh Conner <jconner@apple.com>
412 * calls.c (store_one_arg): Handle arguments which are partially
413 on the stack when detecting argument overlap.
415 2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
417 * reload1.c (choose_reload_regs): Set reload_spill_index for regs
418 chosen during find_reloads.
420 2007-07-06 Richard Guenther <rguenther@suse.de>
422 * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
423 TYPE_ARG_TYPES for verification of argument types. Use
424 DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
425 parameters as variable arguments.
427 2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
429 * libgcc2.h (word_type): Type definition removed.
430 (cmp_return_type, shift_count_type): Type definitions added.
431 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
432 replaced with shift_count_type.
433 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
435 * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
436 changed from word_type to Wtype.
437 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
438 replaced with shift_count_type.
439 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
441 * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
442 and libgcc_shift_count attribute added.
443 * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
444 TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
445 (TARGET_INITIALIZER): New target hooks added.
446 * targhooks.c (default_libgcc_cmp_return_mode,
447 default_libgcc_shift_count_mode): Default implementations for the new
449 * targhooks.h (default_libgcc_cmp_return_mode,
450 default_libgcc_shift_count_mode): Function prototypes added.
451 * target.h (struct gcc_target): Fields for the new target hooks added.
452 * optabs.c (expand_binop): Use shift_count_mode when expanding shift
454 (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
457 * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
458 TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
460 * config/s390/s390.c (s390_libgcc_cmp_return_mode,
461 s390_libgcc_shift_count_mode): Functions added.
462 (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
463 Target hooks defined.
465 2007-07-06 Richard Sandiford <richard@codesourcery.com>
467 * config/mips/mips.c (compute_frame_size): Restore the original
468 gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
469 fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
470 Document why the difference is needed.
472 2007-07-06 Richard Guenther <rguenther@suse.de>
474 * c-common.c (boolean_increment): Use correctly typed
477 2007-07-06 Richard Sandiford <richard@codesourcery.com>
479 * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
480 the topmost argument register is not also included in the save mask.
481 (mips16e_collect_argument_save_p): Take a pointer to the argument
482 register, rather than a pointer to the number of arguments.
483 (mips16e_collect_argument_saves): Only include argument saves
484 that aren't in the register mask.
486 2007-07-06 Uros Bizjak <ubizjak@gmail.com>
488 PR rtl-optimization/32450
489 * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
490 to ensure that instructions are not moved into the prologue when
491 profiling is on. Remove unused prologue_end variable.
492 (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
493 as a scheduling barrier.
495 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
498 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
499 Disregard DECL_FROM_INLINE.
501 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
503 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
504 IORing with a constant.
506 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
508 PR rtl-optimization/32475
509 * df-scan.c (df_def_record_1): Add a use of the stack pointer
510 for every definition of the stack pointer.
512 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
514 * arm.c (vfp3_const_double_index): Copy signed results of
515 REAL_VALUE_TO_INT into unsigned vars.
517 2007-07-05 Richard Guenther <rguenther@suse.de>
520 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
522 * tree-ssa.c (useless_type_conversion_p): Check canonical
525 2007-07-05 Anatoly Sokolov <aesok@post.ru>
527 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
528 zero_extendhisi2): Change to define_insn_and_split.
529 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
531 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
533 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
534 pass_match_asm_constraints): New.
535 * passes.c (init_optimization_passes): Add new pass.
536 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
537 * function.h (struct function): Add has_asm_statement bit.
538 (current_function_has_asm_statement): New.
539 * tree-pass.h (pass_match_asm_constraints): New.
541 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
543 * config/mips/mips.c (mips_file_start): Avoid declaration
546 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
548 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
550 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
552 * rtl.def (NOTE): Change print format string to print
553 operand 5 as a note insn name.
555 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
556 David Ung <davidu@mips.com>
558 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
559 * doc/invoke.texi: (MIPS Options): Document them.
561 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
562 David Ung <davidu@mips.com>
564 Add support for SmartMIPS ASE.
566 * optabs.c (expand_binop_directly): New, broken out from...
567 (expand_binop): Here. Make it try rotating in the other
568 direction even when the second operand isn't constant.
569 * config/mips/mips.md (*lwxs): New.
570 * config/mips/mips.opt (msmartmips): New.
571 * config/mips/mips.c (mips_lwxs_address_p): New.
572 (mips_rtx_costs): Make it recognize scaled indexed addressing.
573 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
574 __mips_smartmips when compiling for TARGET_SMARTMIPS.
575 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
577 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
578 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
579 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
580 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
581 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
582 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
583 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
585 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
587 * tree-vectorizer.c (new_loop_vec_info): Initialize
588 LOOP_VINFO_COST_MODEL_MIN_ITERS.
589 * tree-vectorizer.h (_loop_vec_info): Added new filed
590 min_profitable_iters.
591 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
592 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
593 * tree-vect-analyze.c (vect_analyze_operations): Set
594 LOOP_VINFO_COST_MODEL_MIN_ITERS.
595 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
596 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
597 Fix calculation of peel_iters_prologue. Move consideration of epilogue
598 and prologue cost to after they are computed.
599 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
601 (vect_model_simple_cost): Takes additional argument dt. Consider cost
602 of creating vectors from scalars according to dt.
603 (vect_model_store_cost): Likewise.
604 (vectorizable_call): Use dt array instead of scalar dt. Call
605 vect_model_simple_cost with additional argument dt.
606 (vectorizable_assignment): Likewise.
607 (vectorizable_operation): Likewise.
608 (vectorizable_type_demotion): Likewise.
609 (vectorizable_type_promotion): Likewise.
610 (vectorizable_store): Use dt array instead of scalar dt. Call
611 vect_model_store_cost with additional argument dt.
612 (vect_do_peeling_for_loop_bound): Don't call
613 vect_estimate_min_profitable_iters. Instead, lookup
614 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
615 "may not be profitable".
617 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
620 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
621 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
622 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
623 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
625 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
627 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
628 addressing modes cheaper.
630 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
632 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
633 (dw_ranges_struct): Rename block_num to num. Adjust.
634 (dw_ranges_by_label_struct): New.
635 (ranges_by_label, ranges_by_label_allocated,
636 ranges_by_label_in_use): New variables.
637 (add_ranges_num): Factored most of the code out of...
638 (add_ranges): ... this one. Rewrite in terms of the former.
639 (add_ranges_by_labels): New.
640 (output_ranges): Output by-label ranges.
641 (dwarf2out_finish): Output range for multiple-section
642 compile_unit. Output standard DW_AT_low_pc in addition to
643 unexpected DW_AT_entry_pc.
645 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
647 PR tree-optimization/32604
648 PR tree-optimization/32606
650 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
651 (compute_antic_safe): Removed.
652 (ANTIC_SAFE_LOADS): Ditto.
653 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
654 (execute_pre): Don't call compute_antic_safe.
655 (vuse_equiv): New function.
656 (make_values_for_stmt): Use it
657 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
660 2007-07-04 Anatoly Sokolov <aesok@post.ru>
663 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
665 (avr_attribute_table): Make "naked" attribute apply to function types
666 rather than to decls.
667 (avr_handle_fntype_attribute): New function.
669 2007-07-04 Joseph Myers <joseph@codesourcery.com>
671 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
674 2007-07-04 David Ung <davidu@mips.com>
675 Joseph Myers <joseph@codesourcery.com>
677 * config/mips/mips.md (type): Add logical, signext and move.
678 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
679 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
680 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
681 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
682 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
683 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
684 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
685 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
686 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
687 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
688 movv2sf_hardfloat_64bit): Use the new types.
689 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
690 *movdf_softfloat, *movdf_mips16): Use "multi".
691 (extendqihi2): Replace with a define_expand.
692 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
693 Based on extend<SHORT:mode><GPR:mode>2 patterns.
694 * config/mips/74k.md (r74k_int_logical): New reservation and
696 (r74k_int_arith): Remove "slt".
697 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
698 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
699 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
700 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
701 reservations for "arith".
703 2007-07-04 Richard Guenther <rguenther@suse.de>
705 * tree-ssa.c (useless_type_conversion_p): Add handling for
706 scalar float and vector types. Only call the types_compatible_p
707 langhook for aggregate types as last resort. Follow the
710 2007-07-04 Richard Guenther <rguenther@suse.de>
712 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
713 the same as NOP_EXPR.
715 2007-07-04 Nick Clifton <nickc@redhat.com>
717 * target.h (struct gcc_target): Add target_help field.
718 * target-def.h (TARGET_HELP): New.
719 (TARGET_INITIALIZER): Use TARGET_HELP.
720 * opts.c (command_handle_option): Invoke target_help function, if
721 defined, when the user has specified --target-help on the command
723 * doc/invoke.texi: Mention that --target-help might print
724 additional information.
725 * doc/tm.texi: Document TARGET_HELP hook.
727 * arm.c (TARGET_HELP): Override default definition.
728 (arm_target_help): New - display a wrapped list of cores and
729 architectures supported.
731 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
733 * config/gcc/v850/v850.c (expand_prologue): Make sure
734 GEN_INT() argument is sign extended rather than zero extended.
735 (expand_epilogue): Likewise.
736 (output_move_double): Delete.
737 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
738 * config/gcc/v850/v850.md (movdi): Delete.
739 (*movdi_internal): Delete.
741 (*movdf_internal): Delete.
743 2007-07-04 Richard Sandiford <richard@codesourcery.com>
745 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
746 unless compiling RTP PIC.
748 2007-07-04 Richard Guenther <rguenther@suse.de>
750 PR tree-optimization/32482
751 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
752 original ssa name if we didn't find a shift expression.
753 Fix shift constant for bit zero test.
755 2007-07-04 Richard Sandiford <richard@codesourcery.com>
757 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
759 2007-07-04 Richard Sandiford <richard@codesourcery.com>
761 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
762 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
763 * config/arm/vxworks.h (ASM_SPEC): Delete.
764 (SUBTARGET_EXTRA_ASM_SPEC): Define.
766 2007-07-04 Sebastian Pop <sebpop@gmail.com>
768 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
769 (DDR_REVERSED_P): New.
770 * tree-data-ref.c (initialize_data_dependence_relation,
771 build_classic_dist_vector): Set DDR_REVERSED_P.
773 2007-07-04 Sebastian Pop <sebpop@gmail.com>
776 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
777 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
778 init_omega_for_ddr_1): Use non conservative number of iterations
780 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
781 (analyze_siv_subscript): Remove FIXME and reinitialization of
782 last_conflicts to chrec_dont_know.
783 * testsuite/gfortran.dg/vect/pr32457.f90: New.
785 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
787 * tree.c (maybe_canonicalize_argtypes): Improve description.
789 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
791 * tree.c (maybe_canonicalize_argtypes): New.
792 (build_function_type): Set canonical type.
793 (build_method_type_directly): Ditto.
794 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
797 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
799 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
801 (rewrite_use_nonlinear_expr): Likewise.
803 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
805 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
807 2007-07-04 Ben Elliston <bje@au.ibm.com>
809 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
812 * c-objc-common.c (c_types_compatible_p): Fix indentation.
814 * doc/tm.texi (Run-time Target): Capitalise "CPU".
815 (Exception Handling): Likewise.
817 2007-07-03 Jan Hubicka <jh@suse.cz>
819 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
821 2007-07-03 Eric Christopher <echristo@apple.com>
823 * doc/cppopts.texi: Add conflicting option note to -dM.
824 * doc/invoke.texi: Add note about possible conflicts with
825 -E for -dCHARS and note that -dM will not produce
826 any results if there is no machine dependent reorg.
828 2007-07-03 Geoffrey Keating <geoffk@apple.com>
830 * tree.h (DECL_ALIGN): Back out previous change.
832 2007-07-03 Joseph Myers <joseph@codesourcery.com>
834 * configure.ac: Test for .dtprelword support on MIPS.
835 * configure, config.in: Regenerate.
836 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
837 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
839 2007-07-03 Julian Brown <julian@codesourcery.com>
841 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
842 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
843 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
844 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
846 (all_fpus): Add FPUTYPE_VFP3.
847 (fp_model_for_fpu): Add VFPv3 field.
848 (arm_rtx_costs_1): Give cost to VFPv3 constants.
849 (vfp3_const_double_index): New function. Return integer index of
850 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
852 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
853 and argument represents a valid RTX for a VFPv3 constant.
854 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
856 (vfp_emit_fstmd): Similar, for fstmd.
857 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
858 constants, represented as integer indices.
859 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
860 VFP_REGNO_OK_FOR_DOUBLE macros.
861 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
862 (arm_file_start): Set float-abi attribute for VFPv3, and output
863 correct ".fpu" assembler directive.
864 (arm_dbx_register_numbering): Add FIXME.
865 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
866 (fputype): Add FPUTYPE_VFP3.
867 (FIXED_REGISTERS): Add 32 registers for D16-D31.
868 (CALL_USED_REGISTERS): Likewise.
869 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
870 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
871 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
872 (D7_VFP_REGNUM): New.
873 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
874 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
875 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
876 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
877 (REG_ALLOC_ORDER): Adjust for VFPv3.
878 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
879 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
880 VFP_LO_REGS, VFP_HI_REGS.
881 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
882 (IS_VFP_CLASS): Define macro.
883 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
885 (REGISTER_MOVE_COST): Likewise.
886 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
887 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
888 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
889 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
890 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
891 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
892 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
893 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
894 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
895 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
896 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
897 where appropriate for single-word registers.
898 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
899 As above. Fix type attributes.
900 * config/arm/constraints.md (register_contraint "t"): Define.
901 (register_constraint "w"): Change to D0-D15, or D0-D31 for
903 (register_constraint "x"): Define.
904 (constraint "Dv"): Define.
906 2007-07-03 Geoffrey Keating <geoffk@apple.com>
908 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
910 2007-07-03 Tom Tromey <tromey@redhat.com>
912 * c-parser.c (objc_pq_context): Removed.
913 (objc_need_raw_identifier): Likewise.
914 (c_parser) <objc_pq_context>: New field.
915 <objc_need_raw_identifier>: Likewise.
916 (OBJC_NEED_RAW_IDENTIFIER): Removed.
917 (c_lex_one_token): Update.
918 (c_parser_objc_protocol_definition): Update.
919 (c_parser_objc_method_definition): Update.
920 (c_parser_objc_methodproto): Update.
921 (c_parser_declspecs): Update.
923 2007-07-03 David Ung <davidu@mips.com>
925 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
927 2007-07-03 David Ung <davidu@mips.com>
928 Richard Sandiford <richard@codesourcery.com>
930 * doc/invoke.texi: Document -march=74kf3_2.
931 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
932 (TUNE_74K): Check for it.
933 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
934 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
935 * config/mips/mips.md (cpu): Add 74kf3_2.
936 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
937 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
938 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
939 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
940 74kf3_2 to the CPU list.
941 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
942 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
943 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
944 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
945 (r74kf3_2_fxfer_from_c1): New insn reservations.
947 2007-07-03 Richard Sandiford <richard@codesourcery.com>
948 David Ung <davidu@mips.com>
950 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
951 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
952 and 74k[fx]. Document aliases for the new options.
953 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
954 (PROCESSOR_24KF2_1): ...this.
955 (PROCESSOR_24KX): Rename to...
956 (PROCESSOR_24KF1_1): ...this.
957 (PROCESSOR_74KF): Rename to...
958 (PROCESSOR_74KF2_1): ...this.
959 (PROCESSOR_74KX): Rename to...
960 (PROCESSOR_74KF1_1): ...this.
961 (TUNE_74K): Update PROCESSOR_* names.
962 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
963 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
964 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
965 (mips_rtx_cost_data): Update processor names in comments.
966 (mips_issue_rate): Update PROCESSOR_* names.
967 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
968 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
969 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
970 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
971 Update cpu attribute names.
972 (r24k_fpu_iss): Rename this reservation to...
973 (r24kf2_1_fpu_iss): ...this and update all uses.
974 (r24kx_fpu_iss): Rename this reservation to...
975 (r24kf1_1_fpu_iss): ...this and update all uses.
976 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
977 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
978 Update cpu attribute names.
980 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
982 * config/m32r/constraints.md: New file.
983 * config/m32r/m32r.c: Include tm-constrs.h.
984 (small_data_operand): Use satisfies_constraint_* instead of macro.
985 (addr24_operand, gen_compare): Likewise.
986 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
987 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
988 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
989 EXTRA_CONSTRAINT): Likewise.
990 * config/m32r/m32r.md: Include constraints.md.
991 (*movsi_insn): Use satisfies_constraint_* instead of macro.
992 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
993 * config/m32r/predicates.md (conditional_move_operand): Likewise.
994 (two_insn_const_operand, int8_operand, uint16_operand,
995 reg_or_int16_operand, reg_or_uint16_operand,
996 reg_or_cmp_int16_operand, cmp_int16_operand,
997 seth_add3_operand): Likewise.
999 2007-07-03 Eric Christopher <echristo@gmail.com>
1001 * libgcc2.h: Conditionally declare __bswapsi2 and
1004 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
1006 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
1009 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1012 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
1013 (__gthrw_pragma): Provide default definition.
1015 * gthr-posix.c (__gthrw_pragma): Define.
1017 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
1019 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
1020 before declaring inequality.
1022 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
1024 * combine.c (recog_for_combine): Log the success or failure of
1025 matching new insn patterns against the machine description in
1028 2007-07-03 Revital Eres <eres@il.ibm.com>
1030 * ddg.c (print_sccs): New function.
1031 (check_sccs): New function.
1032 (create_ddg_all_sccs): Use it.
1033 * ddg.h (print_sccs): Declare.
1034 * modulo-sched.c (sms_order_nodes): Call print_sccs.
1036 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
1038 * targhooks.h (default_mode_for_suffix): New function declaration.
1039 * targhooks.c (default_mode_for_suffix): New default target hook.
1040 * target.h (struct c): New structure in the targetm struct.
1041 (mode_for_suffix): New target hook as part of struct c.
1042 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
1043 default_mode_for_suffix.
1044 (TARGET_C): New define.
1045 * c-lex.c: Include "target.h".
1046 (interpret_float): Use targetm.c.mode_for_suffix to determine
1047 the mode for a given non-standard suffix.
1048 Makefile.in (c-lex.o): Depend on $(TARGET_H).
1050 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
1051 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
1053 * doc/extend.texi (Floating Types): New node. Document __float80 and
1054 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
1056 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
1059 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
1060 predicate instead of target_operand.
1061 (divsi3_i1_media, divsi3_media_2): Likewise.
1063 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
1065 * tree.h (alias_sets_might_conflict_p): Rename into
1066 alias_sets_must_conflict_p.
1067 * alias.c (alias_sets_might_conflict_p): Likewise.
1068 (alias_sets_conflict_p): Use it.
1069 (objects_must_conflict_p): Likewise.
1070 * c-common.c (strict_aliasing_warning): Adjust.
1072 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1074 * rtlhooks.c (gen_lowpart_if_possible): Check for
1075 invalid subreg before calling gen_lowpart_SUBREG.
1077 2007-07-02 Geoffrey Keating <geoffk@apple.com>
1079 * config/darwin9.h: Add copyright notice.
1080 (LINK_COMMAND_SPEC): Add comment.
1081 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
1082 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
1083 DARWIN_LIBSYSTEM_HAS_UNWIND.
1085 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1088 * omp-low.c (check_combined_parallel): New function.
1089 (lower_omp_parallel): Call it via walk_stmts, set
1090 OMP_PARALLEL_COMBINED if appropriate.
1091 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
1092 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
1093 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
1094 don't consider it as combined parallel.
1096 2007-07-02 Richard Sandiford <richard@codesourcery.com>
1098 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1099 (gcc_tooldir): Likewise.
1100 * configure: Regenerate.
1101 * Makefile.in (libsubdir_to_prefix): New variable, based on the
1102 old configure.ac gcc_tooldir setting.
1103 (prefix_to_exec_prefix): New variable.
1104 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1105 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1107 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
1109 Fix PR tree-optimization/32583
1110 Fix PR tree-optimization/32584
1111 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
1112 (phi_translate_set): Use phi_translate directly now.
1113 (make_values_for_stmt): Don't value number RHS if we already know
1116 2007-07-02 Steve Ellcey <sje@cup.hp.com>
1117 Jim Wilson <wilson@specifix.com>
1120 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
1123 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
1124 Richard Sandiford <richard@codesourcery.com>
1125 Nigel Stephens <nigel@mips.com>
1127 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
1128 (mips16e_output_save_restore): Declare.
1129 (mips16e_save_restore_pattern_p): Likewise.
1130 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
1131 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
1132 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
1133 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
1134 (BITSET_P): New global macro, extracted from...
1135 (mips_for_each_saved_reg): ...here.
1136 (mips16e_save_restore_info): New struct.
1137 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
1138 (mips16e_save_restore_regs): New variable.
1139 (mips_split_plus, mips16e_find_first_register): New functions.
1140 (mips16e_mask_registers): New function.
1141 (compute_frame_size): Expand the commentary before the function.
1142 Enforce the MIPS16e save and restore register range restrictions.
1143 Pad the general register save area at the low end.
1144 (mips16e_save_restore_reg, mips16e_build_save_restore)
1145 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
1146 (mips16e_output_save_restore, mips16e_collect_propagate_value)
1147 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
1149 (mips_expand_prologue, mips_expand_epilogue): Handle
1150 GENERATE_MIPS16E_SAVE_RESTORE.
1151 * config/mips/mips.md (*mips16e_save_restore): New pattern.
1153 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
1155 PR tree-optimization/31966
1156 PR tree-optimization/32533
1157 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
1158 "basic_block" description as its third argument. Update function
1159 calls to get destination bb from "edge" argument. Save "cond" into
1160 aux field of the edge. Update prototype for changed arguments.
1161 (if_convertible_loop_p): Clear aux field of incoming edges if bb
1163 (find_phi_replacement_condition): Operate on incoming edges, not
1164 on predecessor blocks. If there is a condition saved in the
1165 incoming edge aux field, AND it with incoming bb predicate.
1166 Return source bb of the first edge.
1167 (clean_predicate_lists): Clean aux field of outgoing node edges.
1168 (tree_if_conversion): Do not initialize cond variable. Move
1169 variable declaration into the loop.
1170 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
1171 initializations of new_stmt, arg0 and arg1 variables.
1173 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1175 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
1176 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
1178 2007-07-02 Richard Guenther <rguenther@suse.de>
1180 * tree-ssa.c (useless_type_conversion_p): Document
1181 future intent as defining the middle-end type system.
1182 Re-structure to call langhook last, group by type class,
1183 mark questionable parts.
1185 2007-07-02 Richard Guenther <rguenther@suse.de>
1187 * tree-flow.h (types_compatible_p): Declare.
1188 * tree-ssa.c (types_compatible_p): New function.
1189 * ipa-type-escape.c (discover_unique_type): Use
1190 types_compatible_p instead of lang_hooks.types_compatible_p.
1191 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
1192 * tree-vn.c (expressions_equal_p): Likewise.
1193 * tree.c (fields_compatible_p): Likewise.
1194 * tree-ssa-dom.c (avail_expr_eq): Likewise.
1195 (cprop_operand): Use useless_type_conversion_p instead of
1196 lang_hooks.types_compatible_p.
1197 * tree-inline.c (setup_one_parameter): Likewise.
1198 (declare_return_variable): Likewise.
1199 * tree-nrv.c (tree_nrv): Likewise.
1200 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1201 (maybe_fold_offset_to_component_ref): Likewise.
1202 (maybe_fold_offset_to_reference): Likewise.
1203 * tree-ssa-copy.c (may_propagate_copy): Likewise.
1204 (merge_alias_info): Likewise.
1205 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
1206 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1207 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
1208 * tree-tailcall.c (find_tail_calls): Likewise.
1209 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
1210 * gimplify.c (canonicalize_addr_expr): Likewise.
1211 (fold_indirect_ref_rhs): Likewise.
1212 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
1213 (cpt_same_type): Likewise.
1214 (check_pointer_types_r): Swap parameters to cpt_same_type
1216 * fold-const.c (fold_convert): Revert fix for PR15988.
1217 * tree-inline.c (setup_one_parameter): Instead fix it here by
1218 using fold_build1 instead of fold_convert and checking for
1219 error_mark_node. Convert only if the conversion is necessary.
1221 2007-07-02 Joseph Myers <joseph@codesourcery.com>
1223 * configure.ac: Check for .gnu_attribute on Power.
1224 * configure: Regenerate.
1225 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
1226 attribute for floating-point ABI.
1228 2007-07-02 Ira Rosen <irar@il.ibm.com>
1230 PR tree-optimization/32230
1231 PR tree-optimization/32477
1232 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
1233 address is a constant.
1235 2007-07-02 Richard Sandiford <richard@codesourcery.com>
1237 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
1238 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
1239 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
1240 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
1241 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
1242 64-bit targets. Add support for *-elfoabi*.
1243 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
1244 different settings if $(tm_defines) does not select the EABI.
1245 (MULTILIB_EXCLUSIONS): Define in those circumstances.
1246 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
1247 (MIPS_ARCH_OPTION_SPEC): Likewise.
1248 (MIPS_ISA_LEVEL_SPEC): Likewise.
1249 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
1250 * config/mips/elfoabi.h: New file.
1252 2007-07-02 Richard Guenther <rguenther@suse.de>
1254 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
1255 (useless_type_conversion_p): ... this.
1256 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
1257 (useless_type_conversion_p): ... this.
1258 * builtins.c (fold_builtin_memory_op): Rename
1259 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
1260 * tree-cfg.c (verify_expr): Likewise.
1261 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
1262 * tree-ssa-ccp.c (ccp_fold): Likewise.
1263 * tree-ssa-copy.c (may_propagate_copy): Likewise.
1264 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
1265 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
1266 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
1267 * tree-ssa-pre.c (eliminate): Likewise.
1268 * tree-ssa.c (delete_tree_ssa): Likewise.
1269 (tree_ssa_useless_type_conversion): Likewise.
1270 * tree.c (build2_stat): Likewise.
1272 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
1274 Fix PR tree-optimization/32571
1275 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
1278 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
1280 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
1281 and other expected operations explicitly, change default to
1284 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
1286 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
1288 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1289 (tls_load_dot_plus_eight): Move the label number into the unspec.
1290 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
1292 2007-07-01 Andreas Schwab <schwab@suse.de>
1294 * dwarf2out.c (initial_return_save): Define only if used.
1296 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
1298 Unreverting Richard's Revert of:
1300 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1302 * dce.c (deletable_insn_p_1): New function, split out from...
1303 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1304 specially, not those inside PARALLELs. Remove BODY argument
1305 and adjust recursive call accordingly.
1306 (prescan_insns_for_dce): Update call to delete_insn_p.
1308 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
1309 Revital Eres <eres@il.ibm.com>
1311 * ddg.c (create_ddg_all_sccs): Fix missed
1312 initialization of scc_nodes.
1314 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
1317 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
1318 X + ~X to 1 only for INTEGRAL_TYPE_P type.
1320 2007-06-30 Joseph Myers <joseph@codesourcery.com>
1322 * configure.ac: Check for .gnu_attribute on MIPS.
1323 * configure, config.in: Regenerate.
1324 * config/mips/mips.c (mips_file_start): If supported, output
1325 attribute for floating-point ABI.
1327 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
1330 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
1331 (ffs_cmove): New expander to expand using ctz pattern.
1332 (*ffs_cmove): Remove pattern.
1333 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
1334 (ffsdi2): Expand using ctz pattern.
1335 (*ffs_rex64): Remove pattern.
1337 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1339 PR rtl-optimization/32296
1340 * pa.md (return): Delete pattern.
1341 (return_internal): Remove "(const_int 1)" from pattern.
1342 (epilogue): Use return_internal pattern for trivial returns.
1343 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
1344 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
1346 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1348 * tree-ssa-pre.c (is_exception_related): New function
1349 (can_value_number_operation): Use it.
1351 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1353 Fix PR tree-optimization/32540
1354 Fix PR tree-optimization/31651
1356 * tree-ssa-sccvn.c: New file.
1358 * tree-ssa-sccvn.h: Ditto.
1360 * tree-vn.c: Include tree-ssa-sccvn.h
1361 (val_expr_paid_d): Removed.
1362 (value_table): Ditto.
1363 (vn_compute): Ditto.
1364 (val_expr_pair_hash): Ditto.
1365 (val_expr_pair_expr_eq): Ditto.
1366 (copy_vuses_from_stmt): Ditto.
1369 (shared_vuses_from_stmt): Ditto.
1370 (print_creation_to_file): Moved up.
1371 (sort_vuses): Ditto.
1372 (sort_vuses_heap): Ditto.
1373 (set_value_handle): Make non-static.
1374 (make_value_handle): Ditto.
1375 (vn_add): Rewritten to use sccvn lookups.
1376 (vn_add_with_vuses): Ditto.
1377 (vn_lookup): Ditto (and second argument removed).
1378 (vn_lookup_with_vuses): Ditto.
1379 (vn_lookup_or_add): Ditto (and second argument removed);
1380 (vn_lookup_or_add_with_vuses): Ditto.
1381 (vn_lookup_with_stmt): New.
1382 (vn_lookup_or_add_with_stmt): Ditto.
1383 (create_value_handle_for_expr): Ditto.
1385 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
1386 (seen_during_translate): New function.
1387 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
1388 (phi_trans_add): Ditto.
1389 (constant_expr_p): FIELD_DECL is always constant.
1390 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
1391 Use constant_expr_p.
1392 Avoid infinite recursion on mutually valued expressions.
1393 Change callers of vn_lookup_or_add.
1394 (phi_translate): New function.
1395 (compute_antic_safe): Allow phi nodes.
1396 (create_component_ref_by_pieces): Update for FIELD_DECL change.
1397 (find_or_generate_expression): Rewrite slightly.
1398 (create_expression_by_pieces): Updated for vn_lookup_or_add
1400 Update VN_INFO for new names.
1401 (insert_into_preds_of_block): Update for new names.
1402 (add_to_exp_gen): New function.
1403 (add_to_sets): Use vn_lookup_or_add_with_stmt.
1404 (find_existing_value_expr): Rewrite to changed vn_lookup.
1405 (create_value_expr_from): Ditto, and use add_to_exp_gen.
1406 (try_look_through_load): Removed.
1407 (try_combine_conversion): Ditto.
1408 (get_sccvn_value): New function.
1409 (make_values_for_phi): Ditto.
1410 (make_values_for_stmt): Ditto.
1411 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
1413 (init_pre): Update for SCCVN changes.
1415 (execute_pre): Ditto.
1417 * tree-flow.h (make_value_handle): Declare.
1418 (set_value_handle): Ditto.
1419 (sort_vuses_heap): Ditto.
1420 (vn_lookup_or_add_with_stmt): Ditto.
1421 (vn_lookup_with_stmt): Ditto.
1422 (vn_compute): Remove.
1425 (vn_lookup): Update arguments.
1427 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
1429 (tree-ssa-sccvn.o): New.
1430 (OBJS-common): Add tree-ssa-sccvn.o
1432 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1435 * c-typeck.c (build_external_ref): Don't mark as used if called
1437 * calls.c (rtx_for_function_call): Likewise.
1439 2007-06-30 Richard Sandiford <richard@codesourcery.com>
1443 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1445 * dce.c (deletable_insn_p_1): New function, split out from...
1446 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1447 specially, not those inside PARALLELs. Remove BODY argument
1448 and adjust recursive call accordingly.
1449 (prescan_insns_for_dce): Update call to delete_insn_p.
1451 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
1453 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
1454 (try_combine): Move potential calls to undo_all() so they happen
1455 before we commit to using the combined insns.
1457 2006-06-30 Jan Hubicka <jh@suse.cz>
1459 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
1462 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
1464 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
1465 (cgraph_remove_unreachable_nodes): Likewise.
1466 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
1467 * ipa-inline.c (update_caller_keys): Cast according to the coding
1469 (cgraph_decide_recursive_inlining): Likewise.
1470 (cgraph_decide_inlining_of_small_function): Likewise.
1471 (try_inline): Likewise.
1472 (cgraph_decide_inlining_incrementally): Likewise.
1473 * ipa-pure-const.c (get_function_state): Likewise.
1474 (scan_function): Likewise.
1475 (analyze_function): Likewise.
1476 (static_execute): Likewise.
1477 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
1478 (merge_callee_local_info): Likewise.
1479 (analyze_function): Use type safe memory macros.
1480 (static_execute): Likewise. Cast according to the coding conventions.
1481 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
1483 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
1485 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
1486 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
1489 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1492 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
1493 for complex modes (both int and real).
1495 2007-06-29 Jan Hubicka <jh@suse.cz>
1497 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
1499 2007-06-29 Jan Hubicka <jh@suse.cz>
1502 * cse.c (cse_insn): Avoid invalid sharing in between register note and
1505 2007-06-29 Anatoly Sokolov <aesok@post.ru>
1508 * config/avr/avr.c: Include dataflow header file.
1509 (expand_prologue): Adjust for prologue insn change.
1510 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
1513 2007-06-29 Richard Guenther <rguenther@suse.de>
1516 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
1517 during type verification.
1519 2007-06-29 Jan Hubicka <jh@suse.cz>
1521 * recog.c (validate_change_rtx_1): Unshare TO argument.
1523 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
1525 PR tree-optimization/24659
1526 * tree-vect-transform.c (vectorizable_call): Handle
1527 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1529 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
1530 * config/i386/i386.c (enum ix86_builtins)
1531 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
1532 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
1534 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
1535 const using def_builtin_const.
1536 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
1537 input operands in the same modes as the result.
1538 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
1540 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
1542 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
1543 (df_set_dead_notes_for_mw): Likewise.
1545 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
1547 * c-common.c (pointer_int_sum): Do the negation in sizetype.
1549 2007-06-28 DJ Delorie <dj@redhat.com>
1551 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
1553 2007-06-28 Geoffrey Keating <geoffk@apple.com>
1555 * doc/invoke.texi (C++ Dialect Options): Document
1556 fvisibility-ms-compat.
1557 * c.opt (fvisibility-ms-compat): New.
1559 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1562 * tree-affine.c (aff_combination_add_elt): Handle
1563 pointer addition specially.
1565 2007-06-28 Jakub Jelinek <jakub@redhat.com>
1567 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
1568 decl is non-external for AIX ABI.
1570 2007-06-28 David Edelsohn <edelsohn@gnu.org>
1572 * config/rs6000/predicates.md (current_file_function_operand):
1573 Ensure the symbol is non-external for AIX ABI.
1575 2007-06-28 Nick Clifton <nickc@redhat.com>
1577 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
1578 (fdce, fdse, fpredictive-commoning): Likewise.
1580 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1583 * gcc.c (process_command): Recognize the new -static-libgfortran
1586 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
1589 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
1590 Use a call clobbered hard reg instead of a pseudo reg.
1592 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1594 * config/sh/sh.md (load_gbr): Use correct operand constraint.
1596 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1599 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
1600 REG_LIBCALL and REG_RETVAL notes.
1601 (divsi3, mulsi3): Likewise.
1602 (mulhisi3): Likewise. Use emit_libcall_block.
1603 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
1605 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
1607 PR rtl-optimization/32481
1608 * combine.c (adjust_for_new_dest): Rescan the changed insn.
1610 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1612 * dce.c (deletable_insn_p_1): New function, split out from...
1613 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1614 specially, not those inside PARALLELs. Remove BODY argument
1615 and adjust recursive call accordingly.
1616 (prescan_insns_for_dce): Update call to delete_insn_p.
1618 2007-06-27 Richard Guenther <rguenther@suse.de>
1621 * tree.h (fold_convertible_p): Declare.
1622 * fold-const.c (fold_convertible_p): New function.
1623 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1624 instead of lang_hooks.types_compatible_p.
1626 2007-06-26 Jan Hubicka <jh@suse.cz>
1628 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1629 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1630 early use validate_unshare_change.
1631 (reload_combine): Likewise.
1632 * recog.c (change_t): New field unshare.
1633 (validate_change_1): Rename from validate_change; add argument unshare.
1634 (validate_change): Turn into wrapper of validate_change_1; update
1635 prototype for bools.
1636 (validate_unshare_change): New.
1637 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1638 calls of df_insn_rescan.
1639 * recog.h (validate_change): Replace ints by bools.
1640 (validate_unshare_change): Declare.
1642 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1644 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1646 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1648 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1650 2007-06-25 Jan Hubicka <jh@suse.cz>
1652 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1654 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1655 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1656 places other call site specific checks are performed.
1658 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1661 * tree-vect-transform.c (vectorizable_operation): Convert
1662 POINTER_PLUS_EXPR over to PLUS_EXPR.
1664 2007-06-25 Chao-ying Fu <fu@mips.com>
1666 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1667 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1668 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1669 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1671 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1672 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1673 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1674 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1675 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1676 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1677 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1678 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1679 ALL_FIXED_POINT_MODE_P): New define.
1680 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1682 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1684 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1685 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1686 MODE_VECTOR_UACCUM): New mode classes.
1688 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1689 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1690 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1693 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1694 (blank_mode): Initialize ibit and fbit.
1695 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1696 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1698 (new_adjust): Change required_class to required_class_from and
1699 required_class_to for testing within a range.
1700 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1701 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1703 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1704 (make_fixed_point_mode): New.
1705 (_ADD_ADJUST): Change C to C1 and C2.
1706 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1707 use a range for machine classes.
1708 (ADJUST_IBIT, ADJUST_FBIT): New.
1709 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1711 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1712 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1713 Emit adjustment for ibit and fbit.
1714 (emit_mode_ibit, emit_mode_fbit): New.
1715 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1717 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1719 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1720 as the source of the set.
1722 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1724 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1725 FP_REGNO_P): Use IN_RANGE.
1726 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1727 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1728 (DATA_REG_P): Use DATA_REGNO_P.
1729 (FP_REG_P): Use FP_REGNO_P.
1730 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1731 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1732 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1734 2007-06-24 Jan Hubicka <jh@suse.cz>
1737 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1739 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1742 * fold-const.c (fold_binary): Strip nops of operand 0
1743 of BIT_NOT_EXPR before calling operand_equal_p.
1744 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1745 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1747 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1749 * doc/extend.texi: Document that dllimport and dllexport imply
1751 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1752 imported or exported declaration, including type declarations.
1753 * c-common.c (handle_visibility_attribute): Check for conflicts
1754 with dllimport/dllexport.
1755 (c_determine_visibility): Handle dllimport/dllexport as an
1756 explicit visibility atttribute.
1758 2007-06-23 Richard Guenther <rguenther@suse.de>
1760 PR tree-optimization/16876
1762 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1764 * tree-inline.c (initialize_inlined_parameters): Do not call
1765 lang_hooks.tree_inlining.convert_parm_for_inlining.
1766 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1767 reason for mismatched types.
1768 * gimplify.c (gimplify_call_expr): Verify the call expression
1769 arguments match the called function type signature. Otherwise
1770 mark the call expression to be not considered for inlining
1771 using CALL_CANNOT_INLINE_P flag.
1772 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1773 edges call expression.
1774 (cgraph_decide_inlining_of_small_function): Likewise.
1775 (cgraph_decide_inlining): Likewise.
1776 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1778 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1779 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1780 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1782 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1783 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1785 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1786 convert_parm_for_inlining member.
1788 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1791 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1792 Remove optimization for GT.
1794 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1797 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1799 (prescan_insns_for_dce): Add extra parameter.
1801 2007-06-23 Jan Hubicka <jh@suse.cz>
1804 * gimplify.c (mark_addressable): New function.
1805 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1807 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1810 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1812 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1815 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1816 moves between MMX/SSE registers to at least 8 units to prevent
1817 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1819 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1821 * config/i386/i386.c (override_options): Correct x86_sahf
1824 2007-06-21 David Daney <ddaney@avtrex.com>
1827 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1828 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1829 (exception_receiver): Renamed to ...
1830 (nonlocal_goto_receiver): ... this.
1832 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1834 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1835 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1836 partial register accesses.
1838 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1840 * fold-const.c (debug_fold_checksum): Move it under
1841 ENABLE_FOLD_CHECKING.
1843 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1846 * tree.h (debug_fold_checksum): Declared.
1847 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1848 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1849 build_fold_addr_expr_with_type_1.
1850 (fold_addr_expr, debug_fold_checksum): New.
1851 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1852 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1855 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1857 PR tree-optimization/19590
1858 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1859 of scev is a constant.
1860 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1862 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1864 * df-problems.c (df_note_bb_compute): Made computation of live
1865 info consistent with df_lr.
1867 2007-06-21 Richard Guenther <rguenther@suse.de>
1869 PR tree-optimization/32453
1870 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1871 for pointer anti-range.
1873 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1875 * config/i386/i386.c (processor_target_table): Increase maximum
1876 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1879 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1880 byte alignment if > 8 byte alignment is preferred.
1881 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1883 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1885 PR tree-optimization/31866
1886 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1887 if ASM_EXPR's input is not a SSA_NAME.
1890 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1891 but decl is a global var, instead return decl.
1892 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1893 even for is_global_var decls, if they are private in some outer
1896 2007-06-21 Richard Guenther <rguenther@suse.de>
1898 PR tree-optimization/32451
1899 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1901 2007-06-21 Christian Bruel <christian.bruel@st.com>
1903 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1904 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1905 (push_regs): Changed saving order or banked registers.
1906 (sh_expand_epilogue): Likewise.
1907 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1908 (FIRST_BANKED_REG): Likewise.
1909 (LAST_BANKED_REG): Likewise.
1910 * config/sh/sh.md (banked) New attribute.
1911 (in_delay_slot): Check banked attribute.
1913 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1915 PR tree-optimization/32075
1916 * tree-data-ref.c (subscript_dependence_tester_1,
1917 analyze_miv_subscript, analyze_overlapping_iterations,
1918 add_distance_for_zero_overlaps, build_classic_dist_vector,
1919 subscript_dependence_tester_1, analyze_overlapping_iterations,
1920 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1921 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1922 to evolution_function_is_affine_multivariate_p.
1924 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1926 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1928 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1931 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1933 * config/m32c/prologue.md (epilogue_exitd_16): New.
1934 (epilogue_reit_16): New.
1935 (epilogue_exitd): Rename to epilogue_exitd_24.
1936 (epilogue_reit): Rename to epilogue_reit_24.
1938 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1939 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1941 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1943 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1944 if dbg_cnt (sched_insn) reaches the limit.
1945 (choose_ready): New parameter INSN_PTR and new return value.
1946 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1947 the new return value from choose_ready.
1948 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1949 (rest_of_handle_global_alloc): New global_alloc_at_func.
1951 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1953 PR tree-optimization/25737
1954 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1955 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1956 * tree-flow.h (struct fieldoff): Add new field alias_set.
1957 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1958 argument addressable_type. Set alias_set of fieldoff.
1959 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1960 (create_overlap_variables_for): Pass alias_set from fieldoff to
1962 * alias.c (get_alias_set): Use alias_set from SFT if set.
1964 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1966 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1967 of a variable as an unsigned HOST_WIDE_INT integer.
1969 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1971 PR rtl-optimization/32405
1972 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1974 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1976 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1979 * builtins.c: Include diagnostic.h.
1980 (expand_builtin_expect): Make gcc_assert more permissive.
1981 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1984 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1988 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1989 if ACCUMULATE_OUTGOING_ARGS.
1991 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1993 * config/m68hc11/m68hc11.c: Include dataflow header file.
1994 (m68hc11_reorg): Port to dataflow.
1996 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
1998 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
1999 (struct df_problem.free_blocks_on_set_blocks): New field.
2000 (struct dataflow.optional_p): New field.
2001 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2002 (df_live_set_all_dirty): New function.
2003 * df-scan.c (df_scan_alloc): Initialize optional_p.
2004 (problem_SCAN): Initialize free_blocks_on_set_blocks.
2005 * df-core.c (df_set_blocks): Removed use of
2006 DF_FIRST_OPTIONAL_PROBLEM. Now uses
2007 df_problem.free_blocks_on_set_blocks to determine which blocks are
2009 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
2010 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
2011 uses dataflow.optional_p to determine if problem should be
2013 (rest_of_handle_df_initialize): Only start live problem if
2015 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2016 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
2017 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
2018 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
2019 problem_NOTE): Initialize free_blocks_on_set_blocks.
2020 (df_lr_bb_local_compute): Recompute luids if df_live problem is
2022 (df_live_set_all_dirty, df_note_alloc): New function.
2023 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
2025 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
2026 * postreload.c (reload_combine): Ditto.
2027 * cse.c (cse_extended_basic_block): Ditto.
2028 * regmove.c (mark_flags_life_zones): Ditto.
2029 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
2030 erase_matching_seqs): Ditto.
2031 * bt-load.c (compute_defs_uses_and_gen): Ditto.
2032 * integrate (allocate_initial_values): Ditto.
2033 * combine.c (reg_dead_at_p): Ditto.
2034 * resource.c (mark_target_live_regs): Ditto.
2035 * sched-rgn.c (check_live_1, update_live_1): Ditto.
2036 * config/sh/sh.c (find_r0_life_regions): Ditto.
2037 * global.c (rest_of_handle_global_alloc): Only add back df_live
2039 * local-alloc.c (rest_of_handle_local_alloc): Only remove
2041 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
2043 (if_convert): Make sure df_live is there at -O == 1.
2044 (pass_if_after_combine): Cleanup flags.
2045 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
2046 is there at -O == 1.
2048 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
2050 * config/arm/arm.c (arm_get_frame_offsets): Set
2051 offsets->locals_base to avoid negative stack size.
2052 (thumb1_expand_prologue): Assert on negative stack size.
2054 2007-04-19 Sebastian Pop <sebpop@gmail.com>
2056 PR tree-optimization/32367
2057 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
2058 of the chrec has no evolution in that loop.
2059 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
2061 2007-06-19 Bob Wilson <bob.wilson@acm.org>
2063 * config/xtensa/xtensa.c: Include "df.h".
2064 (xtensa_builtin_saveregs): Use adjust_address instead of
2066 (xtensa_va_start): Invoke make_tree with sizetype for
2067 expand_builtin_saveregs and then convert the result to a pointer.
2068 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
2069 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
2070 Subtract argument size from index value as integers and then use
2071 POINTER_PLUS_EXPR to add the result to the array address.
2073 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2076 * config/m32c/m32c.c: Include dataflow header file.
2077 (m32c_emit_prologue): Adjust for prologue insn change.
2078 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
2079 once inside a PARALLEL. Assume frame size passed in operand 0
2080 includes space to save the fb register.
2081 (prologue_enter_24): Likewise.
2082 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
2084 2007-06-19 David Daney <ddaney@avtrex.com
2087 * config/mips/mips.md (cprestore): Mark $gp as used.
2089 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2092 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
2093 (frv_ifcvt_modify_insn): Likewise.
2095 2007-06-19 Richard Guenther <rguenther@suse.de>
2097 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
2098 only handle positive offsets that fit in a HOST_WIDE_INT.
2100 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
2102 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
2103 result of rsqrt insn for zero input argument to avoid NaN.
2105 2007-06-19 Richard Guenther <rguenther@suse.de>
2108 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
2110 2007-06-19 Jakub Jelinek <jakub@redhat.com>
2112 PR tree-optimization/32353
2113 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
2115 2007-06-19 Nick Clifton <nickc@redhat.com>
2117 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
2119 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2122 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
2123 * config/i386/i386.c (assign_386_stack_local): Assert that
2124 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
2125 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
2126 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
2127 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
2129 2007-06-18 Steve Ellcey <sje@cup.hp.com>
2131 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
2133 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
2135 PR rtl-optimization/32321
2136 * gcse.c (replace_store_insn): Update the note before
2137 calling emit_insn_after.
2139 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
2142 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
2144 * df-problems.c (df_note_bb_compute): Fix dumping info.
2146 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
2148 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
2149 insn with emit_jump_insn.
2151 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2153 PR tree-optimization/32383
2154 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
2155 * targhooks.h (default_builtin_reciprocal): Update prototype.
2156 * target.h (struct gcc_target): Update builtin_reciprocal.
2157 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
2158 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
2159 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
2160 when fndecl is in BUILT_IN_MD class.
2161 (execute_convert_to_rsqrt): Ditto.
2163 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
2164 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
2165 Convert BUILT_IN_SQRTF code only when md_fn is false.
2167 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
2169 * bt-load.c (move_btr_def): Fix the order of arguments
2170 to validate_replace_rtx.
2172 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
2174 * config/m68k/m68k-devices.def: Add 54450..54455.
2176 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
2178 PR rtl-optimization/32366
2179 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
2180 FLOAT_EXTEND]: Prevent non-scalar modes from entering
2183 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
2186 * modulo-sched (generate_reg_moves): Added rescan parameter and if
2187 this is true, rescan insn being modified.
2188 (sms_schedule): Added rescan parameter.
2189 (rest_of_handle_sms): Moved freeing of dominance info to before
2190 getting out of cfg_layout.
2192 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
2194 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
2195 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
2198 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
2199 FL_CF_EMAC from the entry for isac.
2201 * config/m68k/predicates.md (const_call_operand): Adjust comment.
2202 (const_sibcall_operand): New.
2203 (sibcall_operand): Use it.
2204 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
2205 (m68k_isas): ISAC does not imply FPU or EMAC.
2206 (override_options): Add ISA_C logic for symbolic jump & call.
2208 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2210 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
2211 return mode from the builtin itself.
2212 (sparc_fold_builtin): Fix cast of zero constant.
2214 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
2216 * targhooks.c (default_builtin_reciprocal): New default target hook.
2217 * targhooks.h (default_builtin_reciprocal): Add prototype.
2218 * hooks.c (hook_tree_tree_bool_null): Remove hook.
2219 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
2220 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
2221 default_builtin_reciprocal.
2223 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
2226 * hooks.c (hook_tree_tree_bool_null): New hook.
2227 * hooks.h (hook_tree_tree_bool_null): Add prototype.
2228 * tree-pass.h (pass_convert_to_rsqrt): Declare.
2229 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
2230 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
2231 and convert it to reciprocal a*rfunc(b).
2232 (execute_convert_to_rsqrt): New function.
2233 (gate_convert_to_rsqrt): New function.
2234 (pass_convert_to_rsqrt): New pass definition.
2235 * target.h (struct gcc_target): Add builtin_reciprocal.
2236 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
2237 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
2238 TARGET_BUILTIN_RECIPROCAL.
2239 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
2241 * config/i386/i386.h (TARGET_RECIP): New define.
2242 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
2243 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2244 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2245 and not optimizing for size.
2246 (*rcpsf2_sse): New insn pattern.
2247 (*rsqrtsf2_sse): Ditto.
2248 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
2249 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2250 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2251 and not optimizing for size.
2252 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
2253 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2254 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2255 and not optimizing for size.
2256 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
2257 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2258 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2259 and not optimizing for size.
2260 (*sse_rsqrtv4sf2): Do not export.
2262 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
2263 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2264 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2265 and not optimizing for size.
2267 * config/i386/i386.opt (mrecip): New option.
2268 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
2269 (ix86_emit_swsqrtsf): Ditto.
2270 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
2271 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
2273 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
2274 ix86_expand_unop1_builtin.
2275 (ix86_emit_swdivsf): New function.
2276 (ix86_emit_swsqrtsf): Ditto.
2277 (ix86_builtin_reciprocal): New function.
2278 (TARGET_BUILTIN_RECIPROCAL): Use it.
2279 (ix86_vectorize_builtin_conversion): Rename from
2280 ix86_builtin_conversion.
2281 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
2282 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
2283 "i386 and x86_64 Options" section.
2284 (Intel 386 and AMD x86_64 Options): Document -mrecip.
2286 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2287 Zdenek Dvorak <dvorakz@suse.cz>
2288 Richard Guenther <rguenther@suse.de>
2289 Kaz Kojima <kkojima@gcc.gnu.org>
2291 * tree-vrp.c (compare_values_warnv): Convert val2 to
2293 (extract_range_from_assert): Create
2294 POINTER_PLUS_EXPR for pointer types.
2295 (extract_range_from_binary_expr): Handle
2296 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
2298 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
2299 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
2300 POINTER_PLUS_EXPR as PLUS_EXPR.
2301 (number_of_iterations_lt_to_ne):
2302 For pointer types, use sizetype when
2303 creating MINUS_EXPR/PLUS_EXPRs.
2304 (assert_loop_rolls_lt): For pointer types, use sizetype when
2305 creating MINUS_EXPR/PLUS_EXPRs.
2306 (number_of_iterations_le): Likewise.
2307 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
2308 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
2309 like PLUS_EXPR and MINUS_EXPR.
2310 * tree-pretty-print.c (dump_generic_node): Handle
2312 (op_prio): Likewise.
2313 (op_symbol_1): Likewise.
2314 * optabs.c (optab_for_tree_code): Likewise.
2315 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
2317 * tree-tailcall.c (process_assignment): Mention
2318 POINTER_PLUS_EXPR in a TODO comment.
2319 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
2320 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
2321 not used with a pointer and an integer type.
2322 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
2323 increment using chrec_convert_rhs instead of chrec_convert.
2324 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
2325 PLUS_EXPR except for the right hand side's type will be
2327 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
2328 (fold_used_pointer_cast): Kill.
2329 (pointer_offset_p): Kill.
2330 (fold_used_pointer): Kill.
2331 (pointer_used_p): Kill.
2332 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
2333 call fold_used_pointer.
2334 (instantiate_parameters_1): Convert the increment
2335 using chrec_convert_rhs instead of chrec_convert.
2336 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
2337 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
2338 instead of PLUS_EXPR.
2339 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
2340 PLUS_EXPR for pointers.
2341 (std_gimplify_va_arg_expr): Likewise.
2342 (fold_builtin_memory_op): Likewise.
2343 (fold_builtin_strstr): Likewise.
2344 (fold_builtin_strchr): Likewise.
2345 (fold_builtin_strrchr): Likewise.
2346 (fold_builtin_strpbrk): Likewise.
2347 (expand_builtin_memory_chk): Likewise.
2348 (fold_builtin_memory_chk): Likewise.
2349 (std_expand_builtin_va_start): Use
2350 sizetype for the call to make_tree and then convert
2351 to the pointer type.
2352 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
2353 instead of PLUS_EXPR for adding to a pointer.
2354 (std_gimplify_va_arg_expr): Use fold_build2 for
2355 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
2356 the operands to sizetype first and then cast the BIT_AND_EXPR
2357 back to the pointer type.
2358 * fold-const.c (build_range_check): Handle pointer types
2360 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
2361 of PLUS_EXPR's. Make sure the offset is converted to
2363 (try_move_mult_to_index): Strip the NOPs from the offset.
2364 Remove code argument and replace all uses with PLUS_EXPR.
2365 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
2366 specially. Don't use a pointer type for MINUS_EXPR.
2367 (fold_unary): Handle for (T1)(X op Y),
2368 only p+ as that is the only as that can be handled for
2369 binary operators now.
2370 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
2372 <case PLUS_EXPR>: Add folding of PTR+INT into
2374 Don't call try_move_mult_to_index.
2375 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
2376 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
2377 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
2378 Don't call try_move_mult_to_index.
2379 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
2380 (tree_expr_nonzero_p): Likewise.
2381 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
2382 of PLUS_EXPR for the complex expression folding.
2383 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
2384 first chrec is a pointer type, then the second should
2385 be sizetype and not the first's type.
2386 For POINTER_PLUS_EXPR, use a different right hand side type.
2387 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2388 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
2389 different right hand side type.
2390 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2391 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
2392 instead of PLUS_EXPR.
2393 When either operand is zero, convert the other operand.
2394 (chrec_apply): Use chrec_convert_rhs
2395 on the argument x instead of chrec_convert.
2396 (reset_evolution_in_loop): For pointer types, the new_evol
2398 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
2399 different right hand side type.
2400 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2401 (chrec_convert_rhs): New function.
2402 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
2403 different right hand side type.
2404 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2405 * tree-chrec.h (chrec_convert_rhs): New prototype.
2406 (build_polynomial_chrec): For pointer types, the right hand
2407 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
2408 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
2409 Remove subtraction case as it is always addition now.
2410 Make sure the offset is converted to sizetype.
2411 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
2412 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
2413 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
2414 PLUS_EXPR in pointer type.
2415 Handle POINTER_PLUS_EXPR.
2416 (tree_to_aff_combination): Likewise.
2417 (force_expr_to_var_cost): Likewise.
2418 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
2419 instead of PLUS_EXPR for pointers.
2420 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
2421 instead of PLUS_EXPR of pointer types.
2422 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
2424 (check_va_list_escapes): Likewise.
2425 (check_all_va_list_escapes): Likewise.
2426 * dwarf2out.c (loc_descriptor_from_tree_1):
2427 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
2428 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
2429 (string_constant): Likewise.
2430 * tree-ssa-address.c (tree_mem_ref_addr): When adding
2431 the offset to the base, use POINTER_PLUS_EXPR.
2432 (add_to_parts): Convert the index to sizetype.
2433 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
2434 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
2435 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
2436 Offset only holds something for PLUS_EXPR.
2437 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
2439 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
2441 (analyze_accesses_for_modify_stmt): Likewise.
2442 Remove comment about the type being integral type as it is
2444 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
2446 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
2448 Correct the type which the artimentic is done in (is now
2451 * tree-data-ref.c (split_constant_offset): Handle
2453 * tree-affine.c (tree_to_aff_combination): Likewise.
2454 * c-typeck.c (build_unary_op): For pointers create the increment
2455 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
2457 * gimplify.c (gimplify_self_mod_expr): Create a
2458 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2459 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
2460 * tree.def (POINTER_PLUS_EXPR): New tree code.
2461 * tree-predcom.c (ref_at_iteration): If we have a pointer
2462 type do the multiplication in sizetype.
2463 * tree-mudflap.c (mf_xform_derefs_1): Create a
2464 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2465 * tree-ssa-forwprop.c
2466 (forward_propagate_addr_into_variable_array_index):
2467 Don't expect there to be a cast for the index as that
2468 does not exist anymore.
2469 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
2470 instead of PLUS_EXPR.
2471 Don't check for the first operand of the POINTER_PLUS_EXPR
2472 was the index as it cannot be.
2473 Call forward_propagate_addr_into_variable_array_index with
2474 the SSA_NAME instead of the statement.
2475 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
2476 (compare_constant): Likewise.
2477 (copy_constant): Likewise.
2478 (compute_reloc_for_constant): Likewise.
2479 (output_addressed_constants): Likewise.
2480 (initializer_constant_valid_p): Likewise.
2481 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
2482 Convert the MIN/MAX of the inner type to the outer
2483 type before comparing them.
2484 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
2485 POINTER_PLUS_EXPR instead of PLUS_EXPR.
2486 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
2487 of PLUS_EXPR for pointers.
2488 * tree-inline.c (estimate_num_insns_1): Handle
2490 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2491 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2492 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
2493 instead of PLUS_EXPR for the pointer increment statement.
2494 (vect_update_ivs_after_vectorizer): For pointer types, create
2495 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
2496 MULT_EXPR in sizetype.
2497 (vect_gen_niters_for_prolog_loop): Add a cast when creating
2499 * tree-object-size.c (plus_expr_object_size): Handle
2500 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
2501 code which is trying to figure out which side is a pointer and
2503 (check_for_plus_in_loops_1): Likewise.
2504 (check_for_plus_in_loops): Likewise.
2505 * c-common.c (pointer_int_sum): Create a
2506 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2507 * tree-ssa-structalias.c (handle_ptr_arith): Handle
2508 only POINTER_PLUS_EXPR. Removing all the extra
2509 code which is trying to figure out which side is a pointer and
2511 * tree-cfg.c (verify_expr): Add extra checking for pointers and
2512 PLUS_EXPR and MINUS_EXPR.
2513 Also add checking to make sure the operands of POINTER_PLUS_EXPR
2515 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
2516 with make_tree, instead of a pointer type.
2517 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
2518 for pointers instead of PLUS_EXPR.
2519 (s390_gimplify_va_arg): Likewise.
2520 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
2521 instead of PLUS_EXPR when doing addition on pointer
2522 types. Use sizetype for the second operand.
2523 (spu_gimplify_va_arg_expr): Likewise.
2524 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
2525 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
2526 a pointer. Don't create a BIT_AND_EXPR for pointer types.
2527 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
2528 for the pointer addition and also use size_int/sizetype
2530 (ix86_gimplify_va_arg): Likewise.
2531 Perform BIT_AND_EXPR on sizetype arguments.
2532 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
2533 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
2534 for the pointer additions and also use size_int for the offsets.
2535 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
2536 additions and also use size_int for the offsets. Perform
2537 BIT_AND_EXPR on sizetype arguments.
2538 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
2539 POINTER_PLUS_EXPR for pointers and create the
2540 BIT_AND_EXPR in sizetype.
2541 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
2542 instead of PLUS_EXPR for pointer addition.
2543 (rs6000_va_start): Likewise.
2544 Also use sizetype for the offset.
2545 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
2546 as PLUS_EXPR/MINUS_EXPR.
2547 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
2548 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
2549 Don't use BIT_AND_EXPR on a pointer type, convert the
2550 expression to sizetype first.
2551 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
2553 (mips_gimplify_va_arg_expr): Likewise.
2554 Don't create BIT_AND_EXPR in a pointer type.
2556 2007-06-15 Eric Christopher <echristo@apple.com>
2558 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
2559 (x86_64-*-darwin*): Ditto.
2560 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
2563 2007-06-15 Matthew Wilcox <matthew@wil.cx>
2565 * doc/extend.texi: Document behavior of __attribute__((aligned))
2568 2007-06-15 Mark Mitchell <mark@codesourcery.com>
2570 * rtlanal.c (note_stores): Improve documentation.
2572 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
2574 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
2575 LOCAL_LABEL_PREFIX): Delete.
2576 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
2577 (bfin_internal_label): Delete.
2579 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
2581 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
2582 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
2583 otherwise define to LIBGCC2_TF_CEXT.
2584 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
2585 (LIBGCC_TF_CEXT): Ditto.
2588 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
2590 PR rtl-optimization/32339
2591 * df-scan.c (df_uses_record): Don't modify flags but just add to
2592 it for df_ref_record.
2594 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2596 * tree-mudflap.c: Fix whitespace issues.
2598 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
2600 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
2602 2007-06-14 Eric Christopher <echristo@apple.com>
2604 * config/i386/sse.md (movdi_to_sse): Rewrite body.
2605 (movv4sf): Use gcc_unreachable instead of abort.
2607 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2610 * config/i386/sfp-machine.h (CMPtype): New define.
2611 (mach stubs): Use CMPtype instead of int as a return type.
2613 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2615 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
2616 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
2617 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2618 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2619 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2620 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2621 config/soft-fp/soft-fp.h: Update from glibc CVS.
2623 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2625 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2627 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2630 * config/v850/v850.c: Include dataflow header file.
2631 (substitute_ep_register): Fix typo.
2633 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2635 * configure.ac: Fix earlier checkin.
2636 * configure: Regenerated.
2638 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2640 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2641 * aclocal.m4: Regenerate.
2642 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2643 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2644 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2645 * configure: Regenerate.
2646 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2648 * Makefile.in (quickstrap): Build libgcc too.
2650 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2652 * configure.ac: Add --enable-checking=df. Explicitly mention that
2653 the variables are initialized as for "release".
2654 * df-core.c: Use it.
2655 * configure: Regenerate.
2656 * config.in: Regenerate.
2658 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2660 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2661 validate_replace_rtx instead of replace_rtx.
2662 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2664 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2666 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2667 (DWARF2_UNWIND_INFO): Override default if configured with
2669 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2670 (ENDFILE_SPEC): Add crtend.o.
2671 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2672 (ENDFILE_SPEC): Add crtend.o.
2673 (TARGET_USE_JCR_SECTION): Define.
2674 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2676 * config/i386/cygming-crtbegin.c: New file.
2677 * config/i386/cygming-crtend.c: New file.
2679 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2681 * config/i386/w32-unwind.h: New file.
2683 2007-06-13 Eric Christopher <echristo@apple.com>
2685 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2686 the user set a value below STACK_BOUNDARY.
2688 2007-06-13 Thiemo Seufer <ths@networkno.de>
2690 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2691 imply -lpthread for -pthread.
2693 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2695 * basic-block.h: Remove the prototype for
2696 free_basic_block_vars.
2697 * cfglayout.h: Remove the prototype for
2698 insn_locators_initialize.
2699 * tree.h: Remove the prototype for emit_line_note.
2701 * tree-ssa-pre.c (mergephitemp): Remove.
2702 (init_pre): Don't use mergephitemp.
2704 2007-06-13 Eric Christopher <echristo@apple.com>
2706 * config/i386/i386.c (override_options): If we've specified
2707 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2709 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2711 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2714 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2716 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2717 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2718 (eh_store_handler): New pattern.
2719 (eh_return): Emit it instead of a plain move.
2721 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2723 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2724 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2725 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2728 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2730 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2731 (find_next_insn_start, find_load): New functions.
2732 (bfin_reorg): Use them to deal with the fact that parallel insns are
2733 no longer represented as a SEQUENCE.
2735 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2737 * config/sparc/sparc.c (sparc_override_options): Initialize
2740 2007-06-13 Dave Korn <dave.korn@artimi.com>
2742 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2745 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2747 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2748 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2749 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2750 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2751 tree-vect-transform.c: Fix comment typos. Follow spelling
2754 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2756 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2757 to the exit block use set.
2758 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2759 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2760 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2762 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2764 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2765 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2766 to indicate an error.
2767 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
2769 (dbg_cnt_process_opt): Print an error on a bad argument.
2770 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2771 * common.opt (-fdbg-cnt-list): New.
2772 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2774 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2776 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2777 flag on ref-all pointers.
2779 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2782 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2783 for the offset with the modifier as EXPAND_INITIALIZER
2784 if the modifier is EXPAND_INITIALIZER.
2785 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2786 a register if we had an overflow.
2788 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2790 * real.c (real_isfinite): New.
2791 (real_sqrt): Use it.
2792 * real.h (real_isfinite): New.
2793 * builtins.c: Use it.
2795 2007-06-12 Ian Lance Taylor <iant@google.com>
2796 Daniel Berlin <dberlin@dberlin.org>
2799 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2800 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2801 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2802 (DECL_NO_TBAA_P): Define.
2803 (struct tree_decl_common): Add no_tbaa_flag field.
2804 * tree-ssa-structalias.c (struct variable_info): Add
2805 no_tbaa_pruning field.
2806 (new_var_info): Initialize no_tbaa_pruning field.
2807 (unify_nodes): Copy no_tbaa_pruning field.
2808 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2809 (dump_solution_for_var): Print no_tbaa_pruning flag.
2810 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2812 (compute_tbaa_pruning): New static function.
2813 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2814 Call compute_tbaa_pruning.
2815 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2816 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2817 * gimple-low.c (lower_stmt): Likewise.
2818 * tree-gimple.c (is_gimple_stmt): Likewise.
2819 * tree-ssa-operands.c (get_expr_operands): Likewise.
2820 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2821 * tree-inline.c (estimate_num_insns_1): Likewise.
2822 (copy_result_decl_to_var): Likewise.
2823 * expr.c (expand_expr_real_1): Likewise.
2824 * tree-pretty-print.c (dump_generic_node): Likewise.
2825 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2826 * omp-low.c (omp_copy_decl_2): Likewise.
2827 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2828 * doc/c-tree.texi (Expression trees): Document
2829 CHANGE_DYNAMIC_TYPE_EXPR.
2831 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2833 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2834 with !HONOR_NANS and !HONOR_INFINITIES.
2835 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2837 2007-06-12 Tristan Gingold <gingold@adacore.com>
2839 * gcov.c: Comments updated.
2840 (source_info): Add file_time field.
2841 (source_index): New variable.
2842 (mutiple_files): New variable.
2843 (generate_results): New function extracted from process_file.
2844 (process_file): Save and restore chain of functions, generate
2845 results and free structures only if not merging results.
2846 (release_structures): File names are now freed in create_file_names
2847 (create_file_names): Free previous file names.
2848 (find_source): File date is now read here and modifications in
2849 source files is checked here.
2850 (read_graph_file): Only reverse order of functions for the current
2852 (make_gcov_file_name): Do not generate long names if input_name is
2854 (output_lines): If merging results do not display graph, data and
2856 Checking source file modification is done in find_source.
2858 * doc/gcov.texi: Append an s to sourcefile.
2860 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2862 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2863 (forced_nop): New pattern.
2864 * config/bfin/bfin.c: Include "df.h".
2865 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2866 (bfin_discover_loop): Use df_get_live_in instead of
2867 global_live_at_start.
2868 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2869 df_analyze when done.
2870 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2871 the insns. Use QImode for the final insn in a bundle. Call
2872 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2874 (reorder_var_tracking_notes): New function.
2875 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2876 update_life_info. Call df_analyze after scheduling and bundle
2877 generation. Call reorder_var_tracking_notes if generating these
2878 notes. Call df_finish_pass at the end.
2880 2007-06-12 Dirk Mueller <dmueller@suse.de>
2882 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2883 a comparison, not an assignment.
2885 2007-06-12 Olivier Hainque <hainque@adacore.com>
2887 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2888 Request walking the subtrees only, leaving the current is_lhs/val_only
2890 (convert_non_local_reference): Likewise.
2892 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2894 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2896 2007-06-12 Richard Guenther <rguenther@suse.de>
2898 PR tree-optimization/15353
2899 PR tree-optimization/31657
2900 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2901 * timevar.def: Add TV_TREE_IFCOMBINE.
2902 * tree-pass.h (pass_tree_ifcombine): Declare.
2903 * tree-ssa-ifcombine.c: New file.
2904 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2905 * tree-flow.h (blocks_in_phiopt_order): Declare.
2906 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2907 (tree-ssa-ifcombine.o): New dependencies.
2909 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2911 PR rtl-optimization/32293
2912 * combine.c (simplify_if_then_else): Truncate return from
2913 nonzero_bits() to correct mode.
2915 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2917 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2918 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2920 2007-06-11 Diego Novillo <dnovillo@google.com>
2922 * Makefile.in (reload1.o-warn): Remove.
2924 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2926 * combine.c (subst): Use reg_overlap_mentioned_p
2927 instead of comparing register numbers directly.
2929 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2931 * reload1.c (mark_home_live_1): Use the mode parameter.
2933 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2935 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2936 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2940 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2942 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2944 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2946 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2947 from integer registers.
2948 (FP mode splitters): Handle TFmode.
2950 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2952 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2953 for ref-all pointers that point-to anything.
2955 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2957 * config/arm/arm.c (arm_output_dwarf_dtprel,
2958 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2960 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2962 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2963 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2966 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2968 * gcc/tree.c (signed_or_unsigned_type_for): New.
2969 (unsigned_type_for): Use signed_or_unsigned_type_for.
2970 (signed_type_for): Use signed_or_unsigned_type_for.
2971 * gcc/tree.h (signed_or_unsigned_type_for): New.
2972 (get_signed_or_unsigned_type): Remove.
2973 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2974 lang_hooks.types.signed_type
2975 (size_diffop): Likewise.
2976 (all_ones_mask_p): Likewise.
2977 (build_range_check): Likewise.
2978 (fold_cond_expr_with_comparison): Likewise.
2979 (fold_cond_expr_with_comparison): Likewise.
2980 (unextend): Likewise.
2981 (extract_muldiv_1): Likewise.
2982 (fold_single_bit_test_into_sign_test): Likewise.
2983 (fold_binary): Likewise.
2984 (fold_ternary): Likewise.
2985 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2986 instead of get_signed_or_unsigned_type.
2987 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2988 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2989 * gcc/expr.c (signed_or_unsigned_type_for): Use
2990 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2991 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2992 (lhd_signed_or_unsigned_type): Remove.
2993 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
2994 signed_or_unsigned_type.
2995 (lhd_signed_or_unsigned_type): Remove.
2996 * gcc/expmed.c (make_tree): Use signed_type_for instead of
2997 lang_hooks.types.signed_type.
2998 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
2999 c_common_signed_type instead of lang_hooks.types.signed_type.
3000 (c_common_unsigned_type): New.
3001 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
3002 (shorten_compare): Use c_common_unsigned_type instead of
3003 c_common_signed_or_unsigned_type.
3004 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
3006 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
3007 lang_hooks.types.signed_type.
3008 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
3009 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
3010 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
3011 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
3012 instead of unsigned_type_for.
3013 * gcc/c-decl.c (groakdeclarator): Likewise.
3014 * gcc/c-typeck.c (convert_for_assignment): Likewise.
3015 * gcc/c-common.h (c_common_unsigned_type): New.
3017 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3020 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
3021 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
3023 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3026 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
3027 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
3029 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
3030 Sebastian Pop <sebpop@gmail.com>
3032 * lambda-code.c (remove_iv): New.
3033 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
3035 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
3037 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
3038 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
3039 * tree-ssa-loop-prefetch.c: Include optabs.h.
3040 (FENCE_FOLLOWING_MOVNT): New macro.
3041 (struct mem_ref): Add independent_p and storent_p fields.
3042 (record_ref): Initalize the new fields.
3043 (gather_memory_references_ref): Return true if the reference
3045 (gather_memory_references): Check whether all memory accesses
3046 in loop were recorded.
3047 (should_issue_prefetch_p): Return false for nontemporal stores.
3048 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
3049 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
3050 (determine_loop_nest_reuse): Detect independent memory references.
3051 (loop_prefetch_arrays): Call mark_nontemporal_stores.
3052 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
3053 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
3054 * config/i386/i386.h (x86_mfence): Declare.
3055 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
3056 * config/i386/i386.c (x86_mfence): New variable.
3057 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
3059 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
3060 * optabs.c (init_optabs): Initialize storent_optab.
3061 * optabs.h (enum optab_index): Add OTI_storent.
3062 (storent_optab): Declare.
3063 * genopinit.c (optabs): Add initialization for storent_optab.
3064 * tree.h (MOVE_NONTEMPORAL): New macro.
3065 * expr.c (expand_assignment, store_expr, store_constructor_field,
3066 store_constructor, store_field, expand_expr_real_1): Propagate
3067 nontemporality of the expanded store.
3068 (emit_storent_insn): New function.
3069 * expr.h (expand_assignment, store_expr): Declaration changed.
3070 * function.c (assign_parm_setup_reg): Pass false as nontemporality
3071 to expand_assignment.
3072 * stmt.c (expand_asm_expr): Ditto.
3073 * calls.c (initialize_argument_information): Pass false as
3074 nontemporality to store_expr.
3075 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
3078 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3080 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
3082 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
3084 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3086 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
3087 and allow DECL_P here.
3089 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
3091 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
3092 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
3093 track of the size of the expression.
3094 * cfghooks.c (merge_blocks): Remove block from loops structure only
3095 after call of the merge_blocks hook.
3097 2007-06-09 Tom Tromey <tromey@redhat.com>
3099 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
3100 (deprecated_state): Removed.
3101 (start_decl): Update.
3102 (enum deprecated_states): Moved earlier.
3103 (groktypename): Update.
3104 (push_parm_decl): Likewise.
3105 (grokfield): Likewise.
3106 (start_function): Likewise.
3108 2007-06-09 Ian Lance Taylor <iant@google.com>
3110 PR tree-optimization/32169
3111 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
3112 CONVERT_EXPR, check whether min and max both converted to an
3113 overflow infinity representation.
3115 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
3117 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
3118 not inserted on the edge.
3120 2007-06-08 Bob Wilson <bob.wilson@acm.org>
3122 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
3123 instructions if they are supported.
3124 (__divsi3, __umodsi3, __modsi3): Likewise.
3125 (__ashldi3, __ashrdi3, __lshrdi3): New.
3126 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
3128 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
3129 Tony Linthicum <tony.linthicum@amd.com>
3131 * doc/invoke.texi: Add fvect-cost-model flag.
3132 * common.opt (fvect-cost-model): New flag.
3133 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
3134 cost fields in stmt_vec_info struct for STMT.
3135 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
3136 fields in stmt_vec_info struct and access functions for the same.
3137 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
3138 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
3139 load, store and vector to scalar operation.
3140 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
3141 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
3142 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
3143 (TARG_VEC_STORE_COST): Define cost of vector store.
3144 (vect_estimate_min_profitable_iters): Define new function.
3145 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
3146 check to evaluate if loop iterations are less than minimum profitable
3147 iterations determined by cost model or minimum vect loop bound defined
3148 by user, whichever is more conservative.
3149 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
3150 run-time check to evaluate if loop iterations are less than minimum
3151 profitable iterations determined by cost model or minimum vect loop
3152 bound defined by user, whichever is more conservative.
3153 (vect_estimate_min_profitable_iterations): New function to estimate
3154 mimimimum iterartions required for vector version of loop to be
3155 profitable over scalar version.
3156 (vect_model_reduction_cost): New function.
3157 (vect_model_induction_cost): New function.
3158 (vect_model_simple_cost): New function.
3159 (vect_cost_strided_group_size): New function.
3160 (vect_model_store_cost): New function.
3161 (vect_model_load_cost): New function.
3162 (vectorizable_reduction): Call vect_model_reduction_cost during
3164 (vectorizable_induction): Call vect_model_induction_cost during
3166 (vectorizable_load): Call vect_model_load_cost during analysis phase.
3167 (vectorizable_store): Call vect_model_store_cost during analysis phase.
3168 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
3169 vectorizable_promotion, vectorizable_demotion): Call
3170 vect_model_simple_cost during analysis phase.
3172 2007-06-08 Simon Baldwin <simonb@google.com>
3174 * reg-stack.c (get_true_reg): Readability change. Moved default case
3175 label into direct switch statement scope.
3177 2007-06-08 Simon Baldwin <simonb@google.com>
3179 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
3180 in gcc_assert() with '==' comparison.
3182 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3184 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
3185 TARGET_ABM handling of x86_popcnt variable.
3187 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3189 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
3190 __builtin_copysignq and __builtin_infq built-in functions.
3192 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3194 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
3195 SSE4.2 section. Correct built-in function names in SSE4A section.
3197 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3199 PR tree-optimization/32243
3200 * tree-vect-transform.c (vectorizable_type_promotion): Move check
3201 for ncopies after ratio check between nunits_out and nunits_in.
3202 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
3204 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
3206 PR tree-optimization/32224
3207 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
3208 vectorization upon a non GIMPLE_MODIFY_STMT.
3210 2007-06-08 Christian Bruel <christian.bruel@st.com>
3213 * config/sh/sh.md (doloop_end): New pattern and splitter.
3214 * loop-iv.c (simple_rhs_p): Check for hardware registers.
3216 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
3219 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
3221 (verify_dominators): Do not change dominance tree.
3223 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
3225 * config/sh/constraints.md: New file.
3226 * config/sh/sh.c: Include tm-constrs.h.
3227 (reg_class_from_letter): Remove.
3228 (prepare_cbranch_operands): Use satisfies_constraint_*
3229 function instead of macro.
3230 (andcosts, broken_move, sh_secondary_reload): Likewise.
3231 * config/sh/predicates.md (trapping_target_operand): Likewise.
3232 (and_operand, arith_operand, arith_reg_or_0_operand,
3233 cmp_operand, logical_operand, target_operand,
3234 ua_address_operand, ua_offset, xor_operand): Likewise.
3235 * config/sh/sh.md: Include constraints.md.
3236 (*movsicc_t_false): Use satisfies_constraint_* function
3238 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
3239 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
3240 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
3241 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
3242 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
3243 (REG_CLASS_FROM_CONSTRAINT): Remove.
3244 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
3245 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
3246 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
3247 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
3248 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
3249 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
3250 function instead of macro.
3251 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3252 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
3253 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
3254 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
3255 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
3256 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
3257 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
3258 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
3259 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
3260 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
3261 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
3262 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
3263 EXTRA_CONSTRAINT_STR): Likewise.
3264 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
3266 2007-06-07 Geoffrey Keating <geoffk@apple.com>
3268 * config/i386/darwin.h (STACK_BOUNDARY): Define.
3270 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
3273 * c-common.h (flag_cpp0x): Replaced by...
3274 (cxx_dialect): ... this new variable specifying the C++ dialect that
3276 * c-common.c (flag_cpp0x): Removed.
3277 (cxx_dialect): Defined.
3278 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
3280 * c-opts.c (c_common_post_options): Likewise.
3281 (set_std_cxx98): Set cxx_dialect to cxx98.
3282 (set_std_cxx0x): Set cxx_dialect to cxx0x.
3284 2007-06-07 Geoffrey Keating <geoffk@apple.com>
3285 Hui-May Chang <hm.chang@apple.com>
3287 * doc/invoke.texi (Darwin Options): Update documentation for
3288 -mmacosx-version-min.
3289 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
3290 * config/darwin-driver.c: New file.
3291 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
3292 * config/t-darwin (darwin-driver.o): New rule.
3294 * config/darwin-c.c (version_as_macro): Ignore low digit.
3296 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
3298 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
3299 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
3300 (CSGNMODE): New mode macro.
3301 (CSGNVMODE): New mode attribute.
3302 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
3303 expander using CSGNMODE mode macro. Handle TFmode.
3304 (copysign<mode>3_const): Rename from copysignsf3_const and
3305 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
3307 (copysign<mode>3_var): Rename from copysignsf3_var and
3308 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
3310 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
3311 mode macro. Handle TFmode.
3312 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
3313 (iortf3, *iortf3): Ditto.
3314 (xortf3, *xortf3): Ditto.
3315 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
3316 TFmode and TImode masks.
3317 (ix86_expand_copysign): Expand TFmode copysign insn.
3318 (IX86_BUILTIN_INFQ): New.
3319 (IX86_BUILTIN_FABSQ): Ditto.
3320 (IX86_BUILTIN_COPYSIGNQ): Ditto.
3321 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
3322 [__builtin_fabsq]: Ditto.
3323 [__builtin_copysignq]: Ditto.
3324 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
3325 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
3326 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
3327 ix86_expand_binop_builtin().
3329 2007-06-07 Bob Wilson <bob.wilson@acm.org>
3331 * config/xtensa/lib1funcs.asm: Clean up whitespace.
3333 2007-06-07 Steve Ellcey <sje@cup.hp.com>
3336 * rtl.h (push_to_sequence2): New.
3337 * emit-rtl.c (push_to_sequence2): New.
3338 * function.c (assign_parm_data_all): Add new fields.
3339 (assign_parm_setup_block): Call push_to_sequence2 instead of
3341 (assign_parm_setup_reg): Ditto.
3342 (assign_parm_setup_stack): Ditto.
3343 (assign_parms_unsplit_complex): Ditto.
3344 (assign_parms): Change field name.
3346 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3348 PR tree-optimization/32220
3349 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
3350 phi node is reached before defining statement.
3352 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3355 * tree-vect-transform.c (vectorizable_call): Call update_stmt
3356 after changing the right hand side of the assignment.
3358 2007-06-06 Eric Christopher <echristo@apple.com>
3360 * config.gcc (i?86-*-darwin*): Remove arch parameter.
3361 (x86_64-*-darwin*): Ditto.
3362 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
3363 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3365 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3367 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
3369 (add_key): Likewise.
3370 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
3371 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
3373 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
3375 (add_cost_one_coalesce): Likewise.
3376 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
3377 variable names. Rename orig to orig_name for consistency.
3378 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
3380 (cprop_into_successor_phis): Avoid using C++ keywords as variable
3382 (record_equivalences_from_stmt): Likewise.
3383 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
3384 the coding conventions.
3385 (memory_ssa_name_same): Likewise.
3386 (dse_optimize_stmt): Likewise.
3387 (dse_record_phis): Likewise.
3388 (dse_finalize_block): Likewise.
3389 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
3390 keywords as variable names.
3391 (may_move_till): Cast according to the coding conventions.
3392 (force_move_till_expr): Avoid using C++ keywords as variable names.
3393 (force_move_till): Cast according to the coding conventions.
3394 (memref_hash): Likewise.
3395 (memref_eq): Likewise.
3396 (gather_mem_refs_stmt): Likewise.
3397 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
3398 using C++ keywords as variable names.
3399 (idx_find_step): Cast according to the coding conventions.
3400 (idx_record_use): Likewise.
3401 (find_depends): Likewise.
3402 (prepare_decl_rtl): Likewise.
3403 (mbc_entry_hash): Likewise.
3404 (mbc_entry_eq): Likewise.
3405 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
3406 (simplify_replace_tree): Avoid using C++ keywords as variable names.
3407 (idx_infer_loop_bounds): Cast according to the coding conventions.
3408 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
3409 * tree-ssa-math-opts.c (occ_new ): Likwise.
3410 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
3412 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
3414 (add_use_op): Likewise.
3415 (add_vop): Likewise.
3416 (add_vuse_op): Likewise.
3417 (add_vdef_op): Likewise.
3418 (get_expr_operands): Likewise.
3419 (push_stmt_changes): Use type safe memory macros.
3420 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
3421 keywords as variable names.
3422 (conditional_replacement): Likewise.
3423 (minmax_replacement): Likewise.
3424 (abs_replacement): Likewise.
3425 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
3427 (insert_fake_stores): Avoid using C++ keywords as variable names.
3428 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
3430 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
3431 (heapvar_insert): Use type safe memory macros.
3432 (new_var_info): Cast according to the coding conventions.
3433 (new_constraint): Likewise.
3434 (remove_preds_and_fake_succs): Use type safe memory macros.
3435 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
3437 (thread_single_edge): Likewise.
3438 (thread_through_loop_header): Likewise.
3440 2007-06-06 Eric Christopher <echristo@apple.com>
3442 * config/i386/i386.c (override_options): Move handling
3443 of TARGET_SUBTARGET* earlier.
3445 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
3447 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
3450 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
3452 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
3453 emited outside of basic block.
3454 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
3456 * rtl.h (delete_insn_chain): Declaration changed.
3457 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
3459 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
3460 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
3461 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
3462 to delete_insn_chain.
3463 (rtl_verify_flow_info_1): Verify that the insns in header and footer
3464 do not have bb field set.
3465 (rtl_verify_flow_info): Verify that insns between basic blocks do not
3467 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
3468 * cfgcleanup.c (try_optimize_cfg): Ditto.
3470 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3472 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
3473 (lambda_body_vector_new): Use type safe memory macros.
3474 (lambda_linear_expression_new): Likewise.
3475 (lambda_loopnest_new): Likewise.
3476 (lambda_lattice_new): Likewise.
3477 (replace_uses_equiv_to_x_with_y): Cast according to the coding
3478 conventions. Use type safe memory macros.
3479 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
3480 (lambda_body_vector_s): Likewise.
3481 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
3482 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
3484 2007-06-06 Richard Guenther <rguenther@suse.de>
3486 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
3487 if we need to schedule cfg_cleanup.
3488 (tree_ssa_forward_propagate_single_use_vars): Do so.
3490 2007-06-06 Ian Lance Taylor <iant@google.com>
3492 * fold-const.c (merge_ranges): If range_successor or
3493 range_predecessor fail, just return 0.
3495 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3497 PR tree-optimization/32216
3498 * tree-vectorizer.c (supportable_widening_operation): Determine
3499 signedness of FIX_TRUNC_EXPR from output operand.
3500 (supportable_narrowing_operation): Ditto.
3501 * tree-vect-generic.c (expand_vector_operations_1): Determine
3502 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
3505 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3507 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
3508 (struct pta): ...from here. Change flags to unsigned to avoid
3509 excessive casting (as it is used as a bit mask).
3510 (override_options): Add casts according to the coding convenventions.
3511 (x86_64_elf_unique_section): Likewise.
3512 (examine_argument): Avoid using C++ keywords as variable names.
3513 (construct_container): Likewise.
3514 (legitimize_pic_address): Likewise.
3515 (get_dllimport_decl): Cast according to the coding conventions. Use
3516 type safe memory macros.
3517 (legitimize_address): Cast according to the coding conventions.
3518 (emit_i387_cw_initialization): Corrected the type of slot to enum
3520 (ix86_init_machine_status): Use type safe memory macros.
3521 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
3522 (bdesc_pcmpistr): Likewise.
3523 (bdesc_crc32): Likewise.
3524 (bdesc_sse_3arg): Likewise.
3525 (bdesc_2arg): Likewise.
3526 (bdesc_1arg): Likewise.
3527 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
3528 (ix86_expand_sse_pcmpistr): Likewise.
3529 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
3530 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
3531 int to match the langhook definition.
3532 (ix86_builtin_conversion): Change the type of code to unsigned init to
3533 match the langhook definition.
3534 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
3536 (ix86_preferred_output_reload_class): Likewise.
3537 (ix86_cannot_change_mode_class): Likewise.
3538 (ix86_memory_move_cost): Likewise.
3539 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
3540 avoid excessive casting later on.
3541 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
3543 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3545 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
3546 as flags setting insn.
3547 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
3549 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3551 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
3552 (UNSPEC_ROUND): New.
3553 ("sse4_1_round<mode>2"): New insn pattern.
3554 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
3556 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
3557 expander using SSEMODEF mode macro. Expand using
3558 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3559 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
3560 expander using SSEMODEF mode macro. Expand using
3561 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3562 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
3563 expander using SSEMODEF mode macro. Expand using
3564 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3565 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
3566 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
3567 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
3570 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
3571 Sebastian Pop <sebpop@gmail.com>
3573 * lambda.h (build_linear_expr): New.
3574 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
3575 Use build_linear_expr, call fold and force_gimple_operand.
3576 (lambda_loopnest_to_gcc_loopnest): Check that there is
3577 something to insert.
3578 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
3580 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3582 PR preprocessor/23479
3583 * doc/extend.texi: Document the 0b-prefixed binary integer
3586 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3588 PR tree-optimization/32215
3589 * tree-vectorizer.c (supportable_widening_operation): Return false
3590 for unsupported FIX_TRUNC_EXPR tree code.
3591 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
3593 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
3595 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
3596 register on SPE targets. Change documentation to reflect
3598 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3599 Change FIXED_SCRATCH to 14 and document why we're keeping r14
3600 out of the register allocation pool.
3601 (rs6000_reg_live_or_pic_offset_p): New function.
3602 (rs6000_emit_prologue): Move the actual saving of LR up to free
3603 r0 for holding r11. Split saving of SPE 64-bit registers into
3604 its own case. Ensure that offsets will always be in-range for
3605 'evstdd' by using r11 as a scratch register to point at the start
3606 of the SPE save area. Save r11 if necessary, as it is the static
3608 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
3609 into its own case. Ensure that offsets will always be in-range
3610 for 'evldd' by using r11 as a scratch register to point at the
3611 start of the SPE save area. Also adjust r11 when restoring
3612 the stack pointer to compensate for pre-loading r11.
3614 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
3616 * cfg.c (init_flow): Use type safe memory macros.
3617 (alloc_block): Likewise.
3618 (unchecked_make_edge): Likewise.
3619 (dump_flow_info): Avoid using C++ keywords as variable names.
3620 (copy_original_table_clear): Cast according to the coding conventions.
3621 (copy_original_table_set): Likewise.
3622 * cfgexpand (label_rtx_for_bb): Likewise.
3623 (expand_gimple_basic_block): Likewise.
3624 * cfghooks.c (dump_bb): Likewise.
3625 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3627 (lv_add_condition_to_bb): Likewise.
3628 * cfglayout (relink_block_chain): Cast according to the coding
3630 (fixup_reorder_chain): Likewise.
3631 (fixup_fallthru_exit_predecessor): Likewise.
3632 * cfgloop.c (glb_enum_p): Likewise.
3633 (get_exit_description): Likewise.
3634 (dump_recorded_exit): Likewise.
3635 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3636 (struct loop): ... from here.
3637 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3639 * cfgrtl.c (rtl_create_basic_block): Likewise.
3640 (rtl_split_block): Likewise.
3641 (rtl_dump_bb): Likewise.
3642 (cfg_layout_split_block): Likewise.
3643 (init_rtl_bb_info): Use typesafe memory macros.
3645 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3646 * graphds.h: Updated all usages of edge to graph_edge.
3647 * graphds.c: Likewise.
3648 * cfgloopanal.c: Likewise.
3650 2007-06-05 Ian Lance Taylor <iant@google.com>
3652 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3653 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3654 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3656 (test_for_singularity): Likewise.
3658 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3660 * config/i386/constraints.md ("Y2"): Replaced by ...
3662 * config/i386/i386.md: Likewise.
3663 * config/i386/mmx.md: Likewise.
3664 * config/i386/sse.md: Likewise.
3666 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3668 * config/i386/constraints.md ("z"): Replaced by ...
3670 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3671 (sse4_1_blendvps): Likewise.
3672 (sse4_1_pblendvb): Likewise.
3673 (sse4_2_pcmpestr): Likewise.
3674 (sse4_2_pcmpestrm): Likewise.
3675 (sse4_2_pcmpestr_cconly): Likewise.
3676 (sse4_2_pcmpistr): Likewise.
3677 (sse4_2_pcmpistrm): Likewise.
3678 (sse4_2_pcmpistr_cconly): Likewise.
3680 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3682 * matrix-reorg.c (transform_access_sites): Fix computation.
3683 (transform_allocation_sites): Same.
3685 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3687 * config/i386/i386.c (override_options): Use
3688 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3690 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3692 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3693 (nonimm_not_xmm0_operand): Ditto.
3694 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3695 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3696 as operand[2] predicate. Require "z" class XMM register for
3697 operand[3]. Adjust asm template.
3698 ("sse4_1_blendvpd"): Ditto.
3699 ("sse4_1_pblendvb"): Ditto.
3700 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3701 force op2 into xmm0 register for variable blend instructions.
3703 2007-06-04 Tom Tromey <tromey@redhat.com>
3705 * c-tree.h (start_enum): Update.
3706 (build_enumerator): Likewise.
3707 * c-decl.c (enum_next_value): Removed.
3708 (enum_overflow): Likewise.
3709 (start_enum): Add c_enum_contents argument. Don't use globals.
3710 (build_enumerator): Likewise.
3711 * c-tree.h (struct c_enum_contents): New struct.
3713 2007-06-04 Tom Tromey <tromey@redhat.com>
3715 * c-common.c (c_common_get_alias_set): Fix indentation.
3717 2007-06-04 Ian Lance Taylor <iant@google.com>
3719 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3720 to overflow, reduce overflow infinity to regular infinity.
3721 (vrp_var_may_overflow): New static function.
3722 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3724 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3726 * stor-layout.c (layout_type): Remove duplicate code.
3728 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3731 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3732 before build_common_builtin_nodes ().
3734 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3737 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3739 2007-06-04 Jan Hubicka <jh@suse.cz>
3741 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3742 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3743 instead of _stat version.
3745 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3747 PR tree-optimization/32194
3748 * tree-predcom.c (determine_offset): Check that both references have
3751 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3753 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3754 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3755 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3756 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3757 Add argument to iterate_fix_dominators call.
3758 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3759 * gcse.c (hoist_code): Change domby to vector.
3760 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3761 Add argument to iterate_fix_dominators call.
3762 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3763 recompute_dominator.
3764 * lambda-code.c (perfect_nestify): Ditto.
3765 * cfgloopanal.c: Include graphds.h.
3766 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3767 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3768 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3770 * graphds.c: New file.
3771 * graphds.h: New file.
3772 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3773 (get_dominated_by, get_dominated_by_region): Change return type to
3775 (verify_dominators): Recompute all dominators and compare the results.
3776 (recount_dominator): Renamed to ...
3777 (recompute_dominator): ... this. Do not check that the block is
3779 (iterate_fix_dominators): Reimplemented.
3780 (prune_bbs_to_update_dominators, root_of_dom_tree,
3781 determine_dominators_for_sons): New functions.
3782 * et-forest.c (et_root): New function.
3783 * et-forest.h (et_root): Declare.
3784 * Makefile.in (graphds.o): Add.
3785 (cfgloopanal.o): Add graphds.h dependency.
3786 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3787 * basic-block.h (get_dominated_by, get_dominated_by_region,
3788 iterate_fix_dominators): Declaration changed.
3789 (recount_dominator): Renamed to ...
3790 (recompute_dominator): ... this.
3791 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3792 (thread_through_all_blocks): Do not free dominance info.
3794 2007-06-03 Andreas Schwab <schwab@suse.de>
3796 * config/m68k/m68k.c (override_options): Don't override
3798 * config/m68k/m68k-modes.def (SF, DF): Define to use
3799 motorola_single_format and motorola_double_format, resp.
3800 * real.c (motorola_single_format): Renamed from
3801 coldfire_single_format.
3802 (motorola_double_format): Renamed from coldfire_double_format.
3803 (encode_ieee_extended): Generate a proper canonical NaN image
3804 respecting canonical_nan_lsbs_set.
3805 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3807 * real.h: Adjust declarations.
3809 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3812 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3813 the symbol is generated with the stack protector.
3815 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3817 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3818 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3820 * doc/extend.texi (interrupt): Mention m68k.
3822 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3824 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3825 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3826 (ix86_expand_sse_pcmpestr): Do not check operands for
3827 "register_operand", when insn operand predicate is "register_operand".
3828 (ix86_expand_sse_pcmpistr): Ditto.
3830 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3831 Uros Bizjak <ubizjak@gmail.com>
3833 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3834 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3835 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3836 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3837 * config/i386/constraints.md ("z"): New register constraint
3838 for members of SSE_FIRST_REG class.
3839 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3840 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3841 SSE_FIRST_REG class.
3842 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3843 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3844 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3845 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3846 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3847 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3848 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3849 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3850 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3851 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3852 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3853 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3854 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3855 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3856 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3857 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3858 (struct builtin_description): Change "flag" field to unsigned.
3859 (bdesc_pcmpestr): New builtin description table.
3860 (bdesc_pcmpistr): Likewise.
3861 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3862 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3863 Initialize pcmp[ei]str[im] insns for SSE4.2.
3864 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3865 (ix86_expand_sse_pcmpistr): Likewise.
3866 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3867 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3868 (UNSPEC_PCMPISTR): Likewise.
3869 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3870 (sse4_2_pcmpestri):New isns pattern.
3871 (sse4_2_pcmpestrm): Likewise.
3872 (sse4_2_pcmpestr_cconly): Likewise.
3873 (sse4_2_pcmpistr): New insn patern and splitter.
3874 (sse4_2_pcmpistri):New isns pattern.
3875 (sse4_2_pcmpistrm): Likewise.
3876 (sse4_2_pcmpistr_cconly): Likewise.
3877 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3880 2007-06-01 David Daney <ddaney@avtrex.com>
3882 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3883 LOADGP_ABSOLUTE and not binds_local_p.
3885 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3887 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3889 2007-06-01 Ian Lance Taylor <iant@google.com>
3891 * tree-vrp.c (compare_name_with_value): Always set
3892 used_strict_overflow if we get a result from the variable itself.
3894 2007-06-01 Ian Lance Taylor <iant@google.com>
3896 PR rtl-optimization/31455
3897 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3898 subregs which have a cast between modes which are not tieable.
3900 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3902 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3903 breaks after return statements.
3905 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3907 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3908 only after no_new_pseudos.
3910 2007-05-31 Eric Christopher <echristo@apple.com>
3912 * expr.c (convert_move): Assert that we don't have a BLKmode
3914 (store_expr): Handle BLKmode moves by calling emit_block_move.
3916 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3918 * c-typeck.c (build_indirect_ref): Include type in error message.
3919 (build_binary_op): Pass types to binary_op_error.
3920 * c-common.c (binary_op_error): Take two type arguments, print out
3922 * c-common.h (binary_op_error): Update prototype.
3924 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3926 * config/i386/i386.c: Correct coments on -mno-sse4.
3928 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3930 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3931 (x86_64-*-*): Likewise.
3932 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3933 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3934 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3935 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3936 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3937 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3938 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3939 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3940 (OPTION_MASK_ISA_SSE4): Likewise.
3941 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3942 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3943 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3944 (override_options): Support SSE4.2.
3945 (ix86_build_const_vector): Support SImode and DImode.
3946 (ix86_build_signbit_mask): Likewise.
3947 (ix86_expand_int_vcond): Support V2DImode.
3948 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3949 (IX86_BUILTIN_CRC32HI): Likewise.
3950 (IX86_BUILTIN_CRC32SI): Likewise.
3951 (IX86_BUILTIN_CRC32DI): Likewise.
3952 (IX86_BUILTIN_PCMPGTQ): Likewise.
3953 (bdesc_crc32): Likewise.
3954 (bdesc_sse_3arg): Likewise.
3955 (ix86_expand_crc32): Likewise.
3956 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3957 (ix86_expand_builtin): Likewise.
3958 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3959 __SSE4_2__ for -msse4.2.
3960 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3961 (CRC32MODE): Likewise.
3962 (crc32modesuffix): Likewise.
3963 (crc32modeconstraint): Likewise.
3964 (sse4_2_crc32<mode>): Likewise.
3965 (sse4_2_crc32di): Likewise.
3966 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3968 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3969 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3970 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3971 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3972 (vcondu<mode>): Likewise.
3973 * doc/extend.texi: Document SSE4.2 built-in functions.
3974 * doc/invoke.texi: Document -msse4.2/-msse4.
3976 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3978 PR tree-optimization/32160
3979 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3980 variable as gimple reg.
3981 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3983 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3985 * gcc.c (main): Don't consider linker options when issuing the
3986 warning about a linker input file not being used.
3988 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3990 * tree-vrp.c (compare_names): Initialize sop.
3992 2007-05-30 Dirk Mueller <dmueller@suse.de>
3994 * cgraphunit.c (cgraph_analyze_function): Remove
3995 computation of inline parameters.
3997 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
3999 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
4001 2007-05-30 Richard Sandiford <richard@codesourcery.com>
4003 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
4004 Add vx-common.h. Include vxworks.h between vx-common.h and
4006 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
4008 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
4009 (TARGET_ASM_DESTRUCTOR): Likewise.
4010 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
4011 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
4012 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
4013 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
4014 (VXWORKS_ENDIAN_SPEC): Define.
4015 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
4016 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
4017 VXWORKS_* equivalents.
4018 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
4019 (ASM_FILE_START): Delete.
4020 (TARGET_VERSION): Reformat.
4021 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
4022 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
4023 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4024 (FPBIT, DPBIT): Define.
4025 (fp-bit.c, dp-bit.c): New rules.
4026 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
4027 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
4028 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
4029 * config/arm/arm.h: Include vxworks-dummy.h.
4030 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
4031 Mark with ATTRIBUTE_UNUSED.
4032 (arm_override_options): Do not allow VxWorks RTP PIC to be used
4033 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
4034 make it incompatible with -msingle-pic-base.
4035 (arm_function_ok_for_sibcall): Return false for calls that might
4036 go through a VxWorks PIC PLT entry.
4037 (require_pic_register): New function, split out from...
4038 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
4040 (arm_load_pic_register): Handle the VxWorks RTP initialization
4041 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
4042 (arm_emit_call_insn): New function.
4043 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
4044 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
4045 (pic_offset_arm): New pattern.
4046 (call, call_value): Use arm_emit_call_insn.
4047 (call_internal, call_value_internal): New expanders.
4048 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
4049 VxWorks unless __PIC__.
4051 2007-05-30 Eric Christopher <echristo@gmail.com>
4053 * genrecog.c: Include regs.h in generated file.
4054 * genemit.c: Ditto. Fix up formatting.
4055 * config/mn10300/constraints.md: New.
4056 * config/mn10300/mn10300.md: Include.
4057 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
4058 Fix up for removed macro.
4059 * config/mn10300/predicates.md (call_address_operand): Ditto.
4060 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
4061 (CONST_OK_FOR_I): Ditto.
4062 (CONST_OK_FOR_J): Ditto.
4063 (CONST_OK_FOR_K): Ditto.
4064 (CONST_OK_FOR_L): Ditto.
4065 (CONST_OK_FOR_M): Ditto.
4066 (CONST_OK_FOR_N): Ditto.
4067 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
4071 (EXTRA_CONSTRAINT): Ditto.
4073 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4075 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
4077 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
4078 OPTION_MASK_ISA_64BIT.
4079 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
4081 2007-05-30 Richard Guenther <rguenther@suse.de>
4084 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
4085 types for comparison.
4086 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
4087 with original typed arguments.
4088 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
4090 2007-05-30 Jakub Jelinek <jakub@redhat.com>
4092 PR tree-optimization/31769
4093 * except.c (duplicate_eh_regions): Clear prev_try if
4094 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
4096 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4098 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
4099 * tree-ssa-sink.c (statement_sink_location): Return basic block and
4100 bsi of the location where statements should be inserted.
4101 (sink_code_in_bb): Take bsi from statement_sink_location.
4102 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
4103 instead of bsi_start.
4104 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
4106 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
4107 (bsi_move_before): Document inconsistency with bsi_move_after.
4108 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
4110 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4112 * config/i386/i386.h (TARGET_ABM): New define.
4113 (TARGET_POPCNT): Ditto.
4114 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
4115 New temporary defines to redefine from OPTION_ISA_* defines.
4116 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
4117 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
4118 (ix86_isa_flags): New extern int declaration.
4119 (TARGET_SUBTARGET_DEFAULT): New define.
4120 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
4121 (TARGET_SUBTARGET32_DEFAULT): Ditto.
4122 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
4123 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
4124 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
4125 * config/i386/darwin.h: Change TARGET_64BIT define to
4128 * config/i386/i386.opt (m3dnowa): Define as undocumented option
4129 using existing "ix86_isa_flags" varible.
4130 (m32, m64): Use existing "ix86_isa_flags" variable.
4131 (mmmx, m3dnow): Ditto.
4132 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
4133 (mabm): Define as non-negative option using "x86_abm" variable.
4134 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
4136 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
4137 Rewrite feature test bitmap.
4138 (ix86_isa_flags): New initialized global int varible.
4139 (ix86_isa_flags_explicit): New static int variable.
4140 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
4141 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
4142 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
4143 target_flags_explicit.
4144 (override_options): Remove "target_enable" and "target_disable" fields
4145 from "struct ptt". Update processor_target_table accordingly. Remove
4146 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
4147 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
4148 "target_flags" and "ix86_isa_flags_explicit" instead of
4149 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
4150 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
4151 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
4152 to true when either of PTA_POPCNT or PTA_ABM is set in
4153 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
4154 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
4155 processor_alias_table flags entry. Remove handling of
4156 "target_enable" and "target_disable" fields of processor_target_table.
4157 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
4158 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
4159 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
4160 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
4161 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
4163 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
4165 2007-05-29 David Daney <ddaney@avtrex.com>
4168 * config/mips/mips.c (mips_output_mi_thunk): Emit
4169 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
4171 2007-05-29 Hui-May Chang <hm.chang@apple.com>
4172 * config/i386/i386.c (ix86_function_regparm): Added checking of
4173 ix86_force_align_arg_pointer to determine the number of
4174 register parameters.
4176 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
4178 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
4179 (SET_DR_MISALIGNMENT): New.
4180 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
4181 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
4182 Use SET_DR_MISALIGNMENT.
4183 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
4185 * tree-data-ref.c (create_data_ref, compute_all_dependences,
4186 find_loop_nest): Export.
4187 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
4188 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
4189 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
4190 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
4192 (struct mem_ref): Add field reuse_distance.
4193 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
4194 Initialize reuse_distance field.
4195 (issue_prefetch_ref): Select temporality of prefetch according to
4197 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
4198 self_reuse_distance, determine_loop_nest_reuse): New functions.
4199 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
4200 (tree_ssa_prefetch_arrays): Dump L2 cache size.
4201 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
4204 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
4206 * tree-ssa-alias.c: Add aliasing overview.
4208 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
4209 Danny Smith <dannysmith@users.sourceforge.net>
4212 * config/i386/t-crtfm: Compile crtfastmath.o with
4213 -minline-all-stringops.
4214 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
4215 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
4217 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4219 * doc/md.texi: Document constraints on HP PA-RISC.
4221 * pa/constraints.md: New file.
4222 * pa.md: Include constraints.md.
4223 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
4224 (integer_store_memory_operand, ldil_cint_p): New functions.
4225 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
4226 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
4227 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
4228 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
4229 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
4231 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
4234 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
4235 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
4236 case POSTDECREMENT_EXPR>): Return the error_mark_node
4237 if either the real or imaginary parts would an
4240 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
4242 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
4243 name when we remove it from a call.
4245 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
4247 * targhooks.c (default_narrow_bitfield): Remove.
4248 * targhooks.h: Remove the prototype for
4249 default_narrow_bitfield.
4251 * langhooks-def.h: Remove the prototype for
4252 hook_get_alias_set_0.
4253 * langhooks.c (hook_get_alias_set_0): Remove.
4255 * global.c (EXECUTE_IF_CONFLICT): Remove.
4257 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4260 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
4261 return true when truth_value_p is true and the type
4264 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
4266 * doc/install.texi (Prerequisites): We no longer require Autoconf
4267 2.13 for the top-level.
4269 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
4271 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
4272 memory access via x86_expand_vector_move_misalign() only for
4273 TImode values on 32-bit targets.
4275 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
4277 * matrix-reorg.c: New file. Implement matrix flattening and
4278 transposing optimization.
4279 * tree-pass.h: Add matrix reorg pass.
4280 * common.opt: Add fipa-mreorg flag.
4281 * Makefile.in: Add matrix-reorg.c.
4282 * passes.c: Add matrix reorg pass.
4283 * varpool.c (add_new_static_var): New function.
4284 * cgraph.h (add_new_static_var): Declare.
4286 2007-05-27 Eric Christopher <echristo@apple.com>
4288 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
4289 sp_offset depending on stack size. Save r12 depending
4290 on registers we're saving later.
4291 (rs6000_emit_epilogue): Update sp_offset depending only
4294 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
4296 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
4297 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4298 * ifcvt.c (if_convert): Ditto.
4299 * tree-ssa-threadupdate.c (thread_block): Ditto.
4300 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
4301 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
4302 verify_loop_closed_ssa): Check number_of_loops instead of
4304 * predict.c (tree_estimate_probability): Ditto.
4305 * tree-if-conv.c (main_tree_if_conversion): Ditto.
4306 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4307 * modulo-sched.c (sms_schedule): Ditto.
4308 * tree-scalar-evolution.c (scev_const_prop): Ditto.
4309 (scev_finalize): Do not do anything if scev analysis was not
4311 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
4312 current_loops == NULL.
4313 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
4314 * loop-init.c (loop_optimizer_init): Do not free current_loops when
4316 (loop_optimizer_finalize): Assert that loops were analyzed.
4317 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
4318 rtl_doloop): Check number_of_loops instead of current_loops.
4319 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
4320 current_loops == NULL.
4321 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
4322 gate_tree_vectorize tree_linear_transform, check_data_deps,
4323 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4324 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
4325 Check number_of_loops instead of current_loops.
4326 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
4327 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
4328 free loops if available.
4329 (execute_pre): Do not pass do_fre to fini_pre.
4331 2007-05-27 Tobias Burnus <burnus@net-b.de>
4334 * real.c (mpfr_from_real): Fix sign of -Inf.
4336 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
4338 * tree-vect-transform.c (vectorizable_conversion): Initialize
4339 tree_code variables to ERROR_MARK.
4340 (vectorizable_type_demotion): Likewise.
4341 (vectorizable_type_promotion): Likewise.
4343 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4346 * config/i386/i386.md (movti): Handle push operands via
4349 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4351 * basic-block.h: Remove the prototype for merge_seq_blocks.
4352 * cfgcleanup.c (merge_seq_blocks): Remove.
4354 * tree-flow.h: Remove the prototype for is_aliased_with.
4355 * tree-ssa-alias.c (is_aliased_with): Remove.
4357 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
4359 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
4361 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
4363 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
4364 ix86_expand_sse4_unpack if SSE4.1 is enabled.
4365 (vec_unpacks_hi_v16qi): Likewise.
4366 (vec_unpacku_lo_v16qi): Likewise.
4367 (vec_unpacks_lo_v16qi): Likewise.
4368 (vec_unpacku_hi_v8hi): Likewise.
4369 (vec_unpacks_hi_v8hi): Likewise.
4370 (vec_unpacku_lo_v8hi): Likewise.
4371 (vec_unpacks_lo_v8hi): Likewise.
4372 (vec_unpacku_hi_v4si): Likewise.
4373 (vec_unpacks_hi_v4si): Likewise.
4374 (vec_unpacku_lo_v4si): Likewise.
4375 (vec_unpacks_lo_v4si): Likewise.
4377 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4379 * c-typeck.c, config/arm/arm.c, config/darwin.c,
4380 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
4381 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
4382 follow spelling conventions in various
4383 warning/error/diagnostic messages.
4385 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
4386 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
4387 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
4388 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
4389 tree-vrp.c: Fix comment typos. Follow spelling conventions.
4390 * doc/tm.texi: Follow spelling conventions.
4392 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
4395 * tree-ssa-forwprop.c
4396 (forward_propagate_addr_into_variable_array_index): Remove
4397 the lhs argument. Use the type of def_rhs instead of lhs.
4398 (forward_propagate_addr_expr_1): Update use of
4399 forward_propagate_addr_into_variable_array_index.
4401 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
4402 Nigel Stephens <nigel@mips.com>
4404 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
4405 function attributes, "far" being an alias for "long_call".
4406 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
4407 (mips_near_type_p, mips_far_type_p): New.
4408 (mips_comp_type_attributes): New function to check that attributes
4409 attached to a function type are compatible.
4410 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
4411 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
4412 to the target function of the thunk.
4413 (mips_encode_section_info): Check for "near" and "far" function
4414 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
4416 * config/mips/predicates.md (const_call_insn_operand): Test only
4417 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
4419 * doc/extend.texi (Function Attributes): Document MIPS "near" and
4422 * testsuite/gcc.target/mips/near-far-1.c: New test case.
4423 * testsuite/gcc.target/mips/near-far-2.c: New test case.
4424 * testsuite/gcc.target/mips/near-far-3.c: New test case.
4425 * testsuite/gcc.target/mips/near-far-4.c: New test case.
4427 2007-05-25 Eric Christopher <echristo@apple.com>
4429 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
4430 to x86-darwin configurations.
4431 * config/i386/t-darwin: Add softfp support.
4432 * config/i386/t-darwin64: Ditto.
4433 * config/i386/sfp-machine.h: If mach then don't use
4434 aliasing, emit a stub to call.
4436 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
4438 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
4439 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
4440 tree-predcom.c, tree-ssa-alias-warnings.c,
4441 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
4442 comment typos. Follow spelling conventions.
4443 * doc/cpp.texi, doc/invoke.texi: Fix typos.
4445 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4448 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
4449 constants into memory. Expand unaligned memory references for
4450 SSE modes via x86_expand_vector_move_misalign() function.
4452 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
4454 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
4455 "memory" attribute for "sseishft" type insn without operands[2].
4457 2007-05-25 Dirk Mueller <dmueller@suse.de>
4458 Marcus Meissner <meissner@suse.de>
4460 * doc/extend.texi (alloc_size): New attribute.
4461 * c-common.c (handle_alloc_size_attribute): New.
4462 * tree-object-size.c (alloc_object_size): Use alloc_size
4463 attribute, if available.
4465 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4467 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
4469 (__builtin_ia32_vec_ext_v2di): Likewise.
4470 (__builtin_ia32_vec_ext_v4si): Likewise.
4471 (__builtin_ia32_vec_ext_v8hi): Likewise.
4472 (__builtin_ia32_vec_ext_v16qi): Likewise.
4473 (__builtin_ia32_vec_set_v8hi): Likewise.
4475 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4477 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
4479 2007-05-25 Richard Sandiford <richard@codesourcery.com>
4481 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
4482 (arm_is_longcall_p): Rename to...
4483 (arm_is_long_call_p): ...this. Take a single tree argument and
4485 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
4486 (CUMULATIVE_ARGS): Remove call_cookie.
4487 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
4488 (ENCODED_LONG_CALL_ATTR_P): Delete.
4489 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
4490 LONG_CALL_FLAG_CHAR cases.
4491 (ARM_DECLARE_FUNCTION_SIZE): Delete.
4492 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
4493 ARM_DECLARE_FUNCTION_SIZE.
4494 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
4495 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
4496 (arm_encode_call_attribute, current_file_function_operand): Delete.
4497 (arm_function_in_section_p): New function.
4498 (arm_is_longcall_p): Rename to...
4499 (arm_is_long_call_p): ...this. Take the target function as a single
4500 argument and return a bool. Do not rely on call cookies. Check
4501 whether the target symbol is in the same section as the current
4502 function, not just the same compilation unit.
4503 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
4504 (arm_encode_section_info): Don't encode a call type.
4505 * config/arm/arm.md (call, call_value): Update calls to
4506 arm_is_long(_)call_p. Simplify logic.
4507 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
4508 Update calls to arm_is_long(_)call_p.
4510 2007-05-25 Richard Guenther <rguenther@suse.de>
4512 PR tree-optimization/31982
4513 * tree-ssa-forwprop.c
4514 (forward_propagate_addr_into_variable_array_index): Handle arrays
4515 with element size one.
4517 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4519 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
4520 (umulsi3_highpart): Likewise.
4522 2007-05-24 Ian Lance Taylor <iant@google.com>
4524 PR rtl-optimization/32069
4525 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
4528 2007-05-24 Ollie Wild <aaw@google.com>
4530 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
4533 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
4535 * postreload-gcse.c (reg_changed_after_insn_p): New function.
4536 (oprs_unchanged_p): Use it to check all registers in a REG.
4537 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
4538 (reg_set_between_after_reload_p): Delete.
4539 (reg_used_between_after_reload_p): Likewise.
4540 (reg_set_or_used_since_bb_start): Likewise.
4541 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
4542 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
4543 Use reg_set_between_p instead of reg_set_between_after_reload_p.
4544 * rtlanal.c (reg_set_p): Check whether REG overlaps
4545 regs_invalidated_by_call, rather than just checking the
4546 membership of REGNO (REG).
4548 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4550 * doc/passes.texi: Document predictive commoning.
4551 * doc/invoke.texi (-fpredictive-commoning): Document.
4552 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
4553 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
4554 adding indices to the generated name.
4555 (schedule_sm): Pass 0 to get_lsm_tmp_name.
4556 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
4557 * tree-pretty-print.c (op_symbol_1): Renamed to ...
4558 (op_symbol_code): ... and exported.
4559 (dump_omp_clause, op_symbol): Use op_symbol_code
4560 instead of op_symbol_1.
4561 * tree-pass.h (pass_predcom): Declare.
4562 * timevar.def (TV_PREDCOM): New timevar.
4563 * tree-ssa-loop.c (run_tree_predictive_commoning,
4564 gate_tree_predictive_commoning, pass_predcom): New.
4565 * tree-data-ref.c (find_data_references_in_loop): Find the
4566 references in dominance order.
4567 (canonicalize_base_object_address): Ensure that the result has
4569 (dr_analyze_innermost): Export.
4570 (create_data_ref): Code to fail for references with invariant
4572 (find_data_references_in_stmt): ... here.
4573 * tree-data-ref.h (dr_analyze_innermost): Declare.
4574 * tree-affine.c: Include tree-gimple.h and hashtab.h.
4575 (aff_combination_find_elt, name_expansion_hash,
4576 name_expansion_eq, tree_to_aff_combination_expand,
4577 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
4579 * tree-affine.h (aff_combination_constant_multiple_p,
4580 tree_to_aff_combination_expand): Declare.
4581 * tree-predcom.c: New file.
4582 * common.opt (fpredictive-commoning): New option.
4583 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
4584 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
4585 * Makefile.in (tree-predcom.o): Add.
4586 (tree-affine.o): Add TREE_GIMPLE_H dependency.
4587 * passes.c (init_optimization_passes): Add dceloop after
4588 copy propagation in loop optimizer. Add predictive commoning
4589 to loop optimizer passes.
4591 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4593 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
4596 2007-05-24 Jan Hubicka <jh@suse.cz>
4598 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
4600 (genheader): Include statistics.h.
4602 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
4604 * print-rtl.c (flag_dump_unnumbered): Update comments.
4605 (print_rtl): Fix my previous change.
4606 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
4609 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4612 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
4614 (thread_through_all_blocks): Call initialize_original_copy_tables
4615 and free_original_copy_tables.
4616 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
4618 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
4619 * cfghooks.c (duplicate_block): Use get_loop_copy.
4620 * cfg.c: Include cfgloop.h.
4621 (loop_copy): New hash table.
4622 (initialize_original_copy_tables): Initialize loop_copy table.
4623 (free_original_copy_tables): Free loop_copy table.
4624 (copy_original_table_clear, copy_original_table_set,
4625 set_loop_copy, get_loop_copy): New functions.
4626 (set_bb_original, set_bb_copy): Use copy_original_table_set.
4627 * cfgloop.h (struct loop): Remove copy field.
4628 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
4629 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
4631 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4633 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
4634 -msse/-msse2/-msse3.
4636 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4638 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
4639 __builtin_ia32_vec_set_v2di with MASK_64BIT.
4641 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
4644 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
4645 * targhooks.h (default_mangle_decl_assembler_name): Declare
4647 * targhooks.c (default_mangle_decl_assembler_name): Define
4649 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
4651 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
4652 * langhooks.c (lhd_set_decl_assembler_name): Call
4653 targetm.mangle_decl_assembler_name for names with global scope.
4655 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
4657 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
4658 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
4660 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
4661 New. Factored out of i386_pe_encode_section_info.
4662 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
4663 Move check for prior decoration of stdcall
4664 symbols to i386_pe_encode_section_info.
4665 (i386_pe_encode_section_info): Adjust call to
4666 gen_stdcall_or_fastcall_suffix. Use
4667 i386_pe_maybe_mangle_decl_assembler_name, if needed.
4668 (i386_pe_mangle_decl_assembler_name): New. Wrap
4669 i386_pe_maybe_mangle_decl_assembler_name.
4671 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4673 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4674 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4675 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4676 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4677 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4680 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4681 Nigel Stephens <nigel@mips.com>
4682 Richard Sandiford <richard@codesourcery.com>
4684 Fix up MIPS16 hard float and add support for complex.
4686 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4687 (TARGET_SOFT_FLOAT_ABI): New.
4688 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4689 __mips_soft_float to reflect the ABI in use, not whether the
4690 FPU is directly accessible (e.g., in MIPS16 mode).
4691 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4692 (UNITS_PER_FPVALUE): Likewise.
4694 * config/mips/mips.c (mips_expand_call): Remove redundant
4695 TARGET_MIPS16 check.
4696 (mips_arg_regno): New.
4697 (function_arg_advance): When setting bits in cum->fp_code for
4698 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4700 (function_arg): Use mips_arg_regno.
4701 (mips_return_mode_in_fpr_p): New.
4702 (mips16_call_stub_mode_suffix): New.
4703 (mips16_cfun_returns_in_fpr_p): New.
4704 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4705 (mips_output_function_prologue): Test mips16_hard_float, not
4706 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4707 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4708 return value into a floating-point register.
4709 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4710 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4711 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4712 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4713 word of double arguments from or to the high bits of 64-bit
4714 floating point registers.
4715 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4716 (mips16_fpret_double): New helper function.
4717 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4718 support for complex modes. Fill in DECL_RESULT for stubdecl.
4719 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4721 * config/mips/mips16.S
4722 (RET, ARG1, ARG2): New.
4723 (MERGE_GPRf, MERGE_GPRt): New.
4724 (DELAYt, DELAYf): New.
4725 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4726 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4727 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4728 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4729 (SFOP): Renamed to...
4730 (OPSF3): This, and macro-ified. Updated all uses.
4731 (SFOP2): Renamed to...
4732 (OPSF2): This, and macro-ified. Updated all uses.
4733 (SFCMP): Renamed to...
4734 (CMPSF): This, and macro-ified. Updated all uses.
4735 (SFREVCMP): Renamed to...
4736 (REVCMPSF): This, and macro-ified. Updated all uses.
4737 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4738 (LDDBL1, LDDBL2, RETDBL): Deleted.
4739 (DFOP): Renamed to...
4740 (OPDF3): This, and macro-ified. Updated all uses.
4741 (DFOP2): Renamed to...
4742 (OPDF2): This, and macro-ified. Updated all uses.
4743 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4744 (DFCMP): Renamed to...
4745 (CMPDF): This, and macro-ified. Updated all uses.
4746 (DFREVCMP): Renamed to...
4747 (REVCMPDF): This, and macro-ified. Updated all uses.
4748 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4749 (RET_FUNCTION): New.
4750 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4751 (__mips16_ret_sc, __mips16_ret_dc): New.
4752 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4753 STUB_ARGS_6, STUB_ARGS_10): New.
4754 (CALL_STUB_NO_RET): New.
4755 (__mips16_call_stub_1): Macro-ified.
4756 (__mips16_call_stub_5): Macro-ified.
4757 (__mips16_call_stub_2): Macro-ified.
4758 (__mips16_call_stub_6): Macro-ified.
4759 (__mips16_call_stub_9): Macro-ified.
4760 (__mips16_call_stub_10): Macro-ified.
4761 (CALL_STUB_RET): New.
4762 (__mips16_call_stub_sf_0): Macro-ified.
4763 (__mips16_call_stub_sf_1): Macro-ified.
4764 (__mips16_call_stub_sf_5): Macro-ified.
4765 (__mips16_call_stub_sf_2): Macro-ified.
4766 (__mips16_call_stub_sf_6): Macro-ified.
4767 (__mips16_call_stub_sf_9): Macro-ified.
4768 (__mips16_call_stub_sf_10): Macro-ified.
4769 (__mips16_call_stub_df_0): Macro-ified.
4770 (__mips16_call_stub_df_1): Macro-ified.
4771 (__mips16_call_stub_df_5): Macro-ified.
4772 (__mips16_call_stub_df_2): Macro-ified.
4773 (__mips16_call_stub_df_6): Macro-ified.
4774 (__mips16_call_stub_df_9): Macro-ified.
4775 (__mips16_call_stub_df_10): Macro-ified.
4776 (__mips16_call_stub_sc_0): New.
4777 (__mips16_call_stub_sc_1): New.
4778 (__mips16_call_stub_sc_5): New.
4779 (__mips16_call_stub_sc_2): New.
4780 (__mips16_call_stub_sc_6): New.
4781 (__mips16_call_stub_sc_9): New.
4782 (__mips16_call_stub_sc_10): New.
4783 (__mips16_call_stub_dc_0): New.
4784 (__mips16_call_stub_dc_1): New.
4785 (__mips16_call_stub_dc_5): New.
4786 (__mips16_call_stub_dc_2): New.
4787 (__mips16_call_stub_dc_6): New.
4788 (__mips16_call_stub_dc_9): New.
4789 (__mips16_call_stub_dc_10): New.
4791 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4792 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4793 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4795 2007-05-23 Ian Lance Taylor <iant@google.com>
4797 * doc/invoke.texi (Invoking GCC): Document that the order of the
4800 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4803 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4804 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4805 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4809 * config/score/score.c (score_print_operand): Make sure that only
4810 lower bits are used.
4812 2007-05-22 Ian Lance Taylor <iant@google.com>
4814 * tree-vrp.c (avoid_overflow_infinity): New static function,
4815 broken out of set_value_range_to_value.
4816 (set_value_range_to_value): Call avoid_overflow_infinity.
4817 (extract_range_from_assert): Likewise.
4819 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4822 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4823 change the type before looking for a COMPOUND_EXPR.
4825 2007-05-22 Ian Lance Taylor <iant@google.com>
4827 * lower-subreg.c (decompose_multiword_subregs): If we change an
4828 insn, call remove_retval_note on it.
4830 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4832 * regs.h (end_hard_regno): New function.
4833 (END_HARD_REGNO, END_REGNO): New macros.
4834 (add_to_hard_reg_set): New function.
4835 (remove_from_hard_reg_set): Likewise.
4836 (in_hard_reg_set_p): Likewise.
4837 (overlaps_hard_reg_set_p): Likewise.
4838 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4839 (note_btr_set): Use END_HARD_REGNO.
4840 * caller-save.c (setup_save_areas): Use end_hard_regno.
4841 (mark_set_regs): Use END_HARD_REGNO.
4842 (add_stored_regs): Use end_hard_regno.
4843 (mark_referenced_regs): Use add_to_hard_reg_set.
4844 * combine.c (update_table_tick): Use END_REGNO.
4845 (record_value_for_reg): Likewise.
4846 (record_dead_and_set_regs): Likewise.
4847 (get_last_value_validate): Likewise.
4848 (use_crosses_set_p): Likewise.
4849 (reg_dead_at_p_1): Likewise.
4850 (reg_dead_at_p): Likewise.
4851 (mark_used_regs_combine): Use add_to_hard_reg_set.
4852 (move_deaths): Use END_HARD_REGNO.
4853 (reg_bitfield_target_p): Use end_hard_regno.
4854 (distribute_notes): Use END_HARD_REGNO.
4855 * cse.c (mention_regs): Use END_REGNO.
4856 (insert): Use add_to_hard_reg_set.
4857 (invalidate): Use END_HARD_REGNO.
4858 (invalidate_for_call): Likewise.
4859 (exp_equiv_p): Use END_REGNO.
4860 (cse_insn): Likewise.
4861 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4862 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4863 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4864 * function.c (keep_stack_depressed): Use end_hard_regno.
4865 * global.c (global_alloc): Use end_hard_regno.
4866 (global_conflicts): Use add_to_hard_reg_set instead of
4868 (find_reg): Likewise.
4869 (mark_reg_store): Likewise.
4870 (mark_reg_conflicts): Likewise.
4871 (mark_reg_death): Use remove_from_hard_reg_set.
4872 (mark_reg_live_nc): Delete.
4873 (set_preference): Use end_hard_regno.
4874 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4875 remove_from_hard_reg_set.
4876 (post_mark_life): Use add_to_hard_reg_set.
4877 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4878 (reg_becomes_live): Use add_to_hard_reg_set.
4879 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4880 (peep2_find_free_register): Use add_to_hard_reg_set.
4881 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4882 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4883 * regrename.c (note_sets): Use add_to_hard_reg_set.
4884 (clear_dead_regs): Use remove_from_hard_reg_set.
4885 (regrename_optimize): Use add_to_hard_reg_set.
4886 (find_oldest_value_reg): Use in_hard_reg_set_p.
4887 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4888 (hard_reg_set_here_p): Use end_hard_regno.
4889 (decompose): Likewise.
4890 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4891 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4892 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4893 (mark_home_live): Use end_hard_regno.
4894 (spill_hard_reg): Likewise.
4895 (clear_reload_reg_in_use): Likewise.
4896 * reorg.c (delete_prior_computation): Use END_REGNO.
4897 * resource.c (update_live_status): Use END_HARD_REGNO.
4898 (mark_referenced_resources): Use add_to_hard_reg_set.
4899 (mark_set_resources): Likewise.
4900 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4901 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4902 (reg_overlap_mentioned_p): Likewise.
4903 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4904 (covers_regno_no_parallel_p): Use END_REGNO.
4905 (find_regno_note): Likewise.
4906 (find_reg_fusage): Use END_HARD_REGNO.
4907 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4908 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4910 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4912 * mode-switching.c (reg_dies): Change type of second argument to
4914 (optimize_mode_switching): Update accordingly.
4916 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4918 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4920 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4921 (hard_reg_set_empty_p): ...these new functions.
4922 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4923 GO_IF_HARD_REG_SUBSET.
4924 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4925 instead of GO_IF_HARD_REG_EQUAL.
4926 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4927 instead of GO_IF_HARD_REG_EQUAL.
4928 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4929 GO_IF_HARD_REG_SUBSET.
4930 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4931 GO_IF_HARD_REG_EQUAL.
4932 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4933 of GO_IF_HARD_REG_SUBSET.
4934 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4935 instead of GO_IF_HARD_REG_EQUAL.
4936 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4937 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4938 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4939 of GO_IF_HARD_REG_SUBSET,
4940 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4941 GO_IF_HARD_REG_SUBSET.
4942 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4943 instead of GO_IF_HARD_REG_EQUAL.
4944 * config/sh/sh.c (push_regs, calc_live_regs): Use
4945 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4946 (hard_regs_intersect_p): Delete.
4948 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4950 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4952 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4953 Richard Henderson <rth@redhat.com>
4955 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4957 (x86_64-*-*): Likewise.
4959 * i386/i386-modes.def (V2QI): New.
4961 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4963 (override_options): Support SSE4.1.
4964 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4965 (IX86_BUILTIN_BLENDPS): Likewise.
4966 (IX86_BUILTIN_BLENDVPD): Likewise.
4967 (IX86_BUILTIN_BLENDVPS): Likewise.
4968 (IX86_BUILTIN_PBLENDVB128): Likewise.
4969 (IX86_BUILTIN_PBLENDW128): Likewise.
4970 (IX86_BUILTIN_DPPD): Likewise.
4971 (IX86_BUILTIN_DPPS): Likewise.
4972 (IX86_BUILTIN_INSERTPS128): Likewise.
4973 (IX86_BUILTIN_MOVNTDQA): Likewise.
4974 (IX86_BUILTIN_MPSADBW128): Likewise.
4975 (IX86_BUILTIN_PACKUSDW128): Likewise.
4976 (IX86_BUILTIN_PCMPEQQ): Likewise.
4977 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4978 (IX86_BUILTIN_PMAXSB128): Likewise.
4979 (IX86_BUILTIN_PMAXSD128): Likewise.
4980 (IX86_BUILTIN_PMAXUD128): Likewise.
4981 (IX86_BUILTIN_PMAXUW128): Likewise.
4982 (IX86_BUILTIN_PMINSB128): Likewise.
4983 (IX86_BUILTIN_PMINSD128): Likewise.
4984 (IX86_BUILTIN_PMINUD128): Likewise.
4985 (IX86_BUILTIN_PMINUW128): Likewise.
4986 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4987 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4988 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4989 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4990 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4991 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4992 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4993 (IX86_BUILTIN_PMOVZXBD128): Likewise.
4994 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
4995 (IX86_BUILTIN_PMOVZXWD128): Likewise.
4996 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
4997 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
4998 (IX86_BUILTIN_PMULDQ128): Likewise.
4999 (IX86_BUILTIN_PMULLD128): Likewise.
5000 (IX86_BUILTIN_ROUNDPD): Likewise.
5001 (IX86_BUILTIN_ROUNDPS): Likewise.
5002 (IX86_BUILTIN_ROUNDSD): Likewise.
5003 (IX86_BUILTIN_ROUNDSS): Likewise.
5004 (IX86_BUILTIN_PTESTZ): Likewise.
5005 (IX86_BUILTIN_PTESTC): Likewise.
5006 (IX86_BUILTIN_PTESTNZC): Likewise.
5007 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
5008 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
5009 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
5010 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
5011 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
5013 (bdesc_sse_3arg): Likewise.
5014 (bdesc_2arg): Likewise.
5015 (bdesc_1arg): Likewise.
5016 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
5018 (ix86_expand_sse_4_operands_builtin): New.
5019 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
5020 smaller than 8 bits as the 2nd arg.
5021 (ix86_expand_sse_ptest): New.
5022 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
5023 (ix86_expand_vector_set): Support SSE4.1.
5024 (ix86_expand_vector_extract): Likewise.
5026 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
5027 __SSE4_1__ for -msse4.1.
5029 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
5030 (UNSPEC_INSERTPS): Likewise.
5031 (UNSPEC_DP): Likewise.
5032 (UNSPEC_MOVNTDQA): Likewise.
5033 (UNSPEC_MPSADBW): Likewise.
5034 (UNSPEC_PHMINPOSUW): Likewise.
5035 (UNSPEC_PTEST): Likewise.
5036 (UNSPEC_ROUNDP): Likewise.
5037 (UNSPEC_ROUNDS): Likewise.
5039 * config/i386/i386.opt (msse4.1): New for SSE4.1.
5041 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
5042 (const_pow2_1_to_32768_operand): Likewise.
5044 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
5047 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
5049 (sse4_1_insertps): Likewise.
5050 (*sse4_1_extractps): Likewise.
5051 (sse4_1_ptest): Likewise.
5052 (sse4_1_mulv2siv2di3): Likewise.
5053 (*sse4_1_mulv4si3): Likewise.
5054 (*sse4_1_smax<mode>3): Likewise.
5055 (*sse4_1_umax<mode>3): Likewise.
5056 (*sse4_1_smin<mode>3): Likewise.
5057 (*sse4_1_umin<mode>3): Likewise.
5058 (sse4_1_eqv2di3): Likewise.
5059 (*sse4_1_pinsrb): Likewise.
5060 (*sse4_1_pinsrd): Likewise.
5061 (*sse4_1_pinsrq): Likewise.
5062 (*sse4_1_pextrb): Likewise.
5063 (*sse4_1_pextrb_memory): Likewise.
5064 (*sse4_1_pextrw_memory): Likewise.
5065 (*sse4_1_pextrq): Likewise.
5066 (sse4_1_blendpd): Likewise.
5067 (sse4_1_blendps): Likewise.
5068 (sse4_1_blendvpd): Likewise.
5069 (sse4_1_blendvps): Likewise.
5070 (sse4_1_dppd): Likewise.
5071 (sse4_1_dpps): Likewise.
5072 (sse4_1_movntdqa): Likewise.
5073 (sse4_1_mpsadbw): Likewise.
5074 (sse4_1_packusdw): Likewise.
5075 (sse4_1_pblendvb): Likewise.
5076 (sse4_1_pblendw): Likewise.
5077 (sse4_1_phminposuw): Likewise.
5078 (sse4_1_extendv8qiv8hi2): Likewise.
5079 (*sse4_1_extendv8qiv8hi2): Likewise.
5080 (sse4_1_extendv4qiv4si2): Likewise.
5081 (*sse4_1_extendv4qiv4si2): Likewise.
5082 (sse4_1_extendv2qiv2di2): Likewise.
5083 (*sse4_1_extendv2qiv2di2): Likewise.
5084 (sse4_1_extendv4hiv4si2): Likewise.
5085 (*sse4_1_extendv4hiv4si2): Likewise.
5086 (sse4_1_extendv2hiv2di2): Likewise.
5087 (*sse4_1_extendv2hiv2di2): Likewise.
5088 (sse4_1_extendv2siv2di2): Likewise.
5089 (*sse4_1_extendv2siv2di2): Likewise.
5090 (sse4_1_zero_extendv8qiv8hi2): Likewise.
5091 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
5092 (sse4_1_zero_extendv4qiv4si2): Likewise.
5093 (*sse4_1_zero_extendv4qiv4si2): Likewise.
5094 (sse4_1_zero_extendv2qiv2di2): Likewise.
5095 (*sse4_1_zero_extendv2qiv2di2): Likewise.
5096 (sse4_1_zero_extendv4hiv4si2): Likewise.
5097 (*sse4_1_zero_extendv4hiv4si2): Likewise.
5098 (sse4_1_zero_extendv2hiv2di2): Likewise.
5099 (*sse4_1_zero_extendv2hiv2di2): Likewise.
5100 (sse4_1_zero_extendv2siv2di2): Likewise.
5101 (*sse4_1_zero_extendv2siv2di2): Likewise.
5102 (sse4_1_roundpd): Likewise.
5103 (sse4_1_roundps): Likewise.
5104 (sse4_1_roundsd): Likewise.
5105 (sse4_1_roundss): Likewise.
5106 (mulv4si3): Don't expand for SSE4.1.
5107 (smax<mode>3): Likewise.
5108 (umaxv4si3): Likewise.
5109 (uminv16qi3): Likewise.
5110 (umin<mode>3): Likewise.
5111 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
5113 * doc/extend.texi: Document SSE4.1 built-in functions.
5115 * doc/invoke.texi: Document -msse4.1.
5117 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
5119 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
5120 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
5121 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
5122 (ASM_SPEC): Add asm_pcrel_spec.
5123 (EXTRA_SPECS): Add asm_pcrel_spec.
5125 2007-05-21 David Daney <ddaney@avtrex.com>
5127 * doc/install.texi (Building a cross compiler): Add requirements
5128 for Java cross compiler.
5130 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
5133 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
5134 Add loopno argument. Use evolution_function_is_invariant_rec_p
5135 instead of evolution_function_is_constant_p.
5136 Update calls to evolution_function_is_affine_multivariate_p.
5137 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
5138 Add loopno argument.
5139 * tree-scalar-evolution.c (gather_chrec_stats): Call
5140 evolution_function_is_affine_multivariate_p with a loop
5142 * tree-data-ref.c (analyze_miv_subscript): Likewise.
5143 (analyze_overlapping_iterations): Likewise.
5144 (access_functions_are_affine_or_constant_p): Likewise.
5145 (build_classic_dist_vector_1): If the access functions
5146 are equal, don't do anything.
5148 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
5149 Paolo Carlini <pcarlini@suse.de>
5150 Uros Bizjak <ubizjak@gmail.com>
5152 * c-cppbuiltin.c (c_cpp_builtins): Define
5153 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
5154 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
5155 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
5156 * doc/cpp.texi ([Standard Predefined Macros]): Document.
5158 2007-05-21 Mike Stump <mrs@apple.com>
5160 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
5162 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
5164 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
5166 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
5167 implementation if __OPTIMIZE__ is not defined.
5168 (_mm_alignr_pi8): Ditto.
5169 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5170 (_mm_inserti_si64): Ditto.
5171 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5172 (_mm_slli_epi16): Ditto.
5173 (_mm_slli_epi32): Ditto.
5174 (_mm_slli_epi64): Ditto.
5175 (_mm_srai_epi16): Ditto.
5176 (_mm_srai_epi32): Ditto.
5177 (_mm_srli_si128): Ditto.
5178 (_mm_slli_si128): Ditto.
5179 (_mm_srli_epi16): Ditto.
5180 (_mm_srli_epi32): Ditto.
5181 (_mm_srli_epi64): Ditto.
5182 (_mm_extract_epi16): Ditto.
5183 (_mm_insert_epi16): Ditto.
5184 (_mm_shufflehi_epi16): Ditto.
5185 (_mm_shufflelo_epi16): Ditto.
5186 (_mm_shuffle_epi32): Ditto.
5187 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
5189 (_mm_insert_pi16): Ditto.
5191 (_mm_shuffle_pi16): Ditto.
5193 (_mm_shufle_ps): Ditto.
5194 (_mm_prefetch): Ditto.
5196 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
5198 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
5199 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
5200 * real.c (encode_i370_single, decode_i370_single,
5201 encode_i370_double, decode_i370_double): Functions removed.
5202 (i370_single_format, i370_double_format): Initializations removed.
5203 (real_maxval, round_for_format, exact_real_truncate, significand_size):
5204 Consider the log2_b field to always be one.
5205 (ieee_single_format, mips_single_format, coldfire_single_format,
5206 ieee_double_format, mips_double_format, coldfire_double_format,
5207 ieee_extended_motorola_format, ieee_extended_intel_96_format,
5208 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
5209 ibm_extended_format, mips_extended_format, ieee_quad_format,
5210 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
5211 decimal_single_format, decimal_double_format, decimal_quad_format,
5212 c4x_single_format, c4x_extended_format, real_internal_format): Remove
5213 initialization of log2_b.
5214 * real.h (i370_single_format, i370_double_format): Declarations
5216 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
5217 field to always be one.
5219 2007-05-21 Andreas Schwab <schwab@suse.de>
5221 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
5222 NOTE_INSN_BASIC_BLOCK_P.
5223 (process_for_unwind_directive): Likewise.
5225 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
5227 * builtins.c (expand_builtin_setjmp_setup): Update comment.
5228 * function.h (struct function): Move va_list_gpr_size,
5229 va_list_fpr_size, function_frequency to front of bitfields. Add
5231 (current_function_calls_unwind_init): New.
5232 * except.c (expand_builtin_unwind_init): Set
5233 current_function_calls_unwind_init not
5234 current_function_has_nonlocal_label.
5235 * reload1.c (has_nonexceptional_receiver): New.
5236 (reload): Use it and current_function_calls_unwind_init to
5237 determine whether call-saved regs must be saved.
5239 2007-05-20 Jan Hubicka <jh@suse.cz>
5241 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
5242 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5243 * ddg.c (create_ddg): LIkewise.
5244 * final.c (final): Remove hunk moving line number notes around since
5245 they are no longer present at this stage.
5246 (final_scan_insn): Use NOTE_KIND instead of
5247 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5248 (output_asm_label): Likewise.
5249 * reorg.c (dbr_schedule): Likewise.
5250 * haifa-sched.c (unlink_other_notes): Likewise.
5251 * mode-switching.c (optimize_mode_switching): Likewise.
5252 * graph.c (start_bb): Likewise.
5253 * rtl.def (NOTE): Update description.
5254 * jump.c (squeeze_notes): Delete.
5255 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
5256 NOTE_INSN_BASIC_BLOCK_P when possible.
5257 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
5258 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
5259 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5260 (dwarf2out_var_location): Likewise.
5261 * cfgbuild.c (make_edges): Likewise.
5262 (find_basic_blocks_1): Likewise.
5263 * function.c (reorder_blocks_1): Likewise.
5264 (epilogue_done): Likewise.
5265 (reposition_prologue_and_epilogue_notes): Likewise.
5266 * print-rtl.c (print_rtx): Likewise; drop code for printing
5268 (print_rtl): Likewise.
5269 (print_rtl_single): Likewise.
5270 * gcse.c (insert_insn_start_bb): Likewise.
5271 * alias.c (init_alias_analysis): Likewise.
5272 * calls.c (fixup_tail_calls): Likewise.
5273 * except.c (sjlj_emit_function_enter): Likewise.
5274 * emit-rtl.c (add_insn_after): Likeiwse.
5275 (emit_label_before): Likewise.
5276 (emit_label_after): Likewise.
5277 (emit_note_before, emit_note_after, emit_note): Update
5278 parameter to be enum insn_note; do not deal with source
5280 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
5281 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
5283 (merge_blocks_move_successor_nojumps): Simplify now when
5284 we don't have BLOCK notes.
5285 (try_optimize_cfg): Likewise.
5286 * cfglayout.c (skip_insns_after_block): Likewise.
5287 (record_effective_endpoints): Likewise.
5288 (duplicate_insn_chain): Likewise.
5289 * varasm.c (output_constant_pool_1): Likewise.
5290 * sched-deps.c (sched_analyze): Likewise.
5291 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
5293 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
5294 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
5295 (SET_INSN_DELETED): Simplify.
5296 (NOTE_LINE_NUMBER): Exterminate.
5297 (NOTE_LINE_KIND): New.
5298 (NOTE_INSN_BASIC_BLOCK_P): Update.
5299 (enum insn_note): Simplify.
5300 (GET_NOTE_INSN_NAME) Simplify.
5301 (emit_note_before, emit_note_after, emit_note): Update prototype.
5302 (squeeze_notes): Remove.
5303 * sched-int.h (NOTE_NOT_BB_P): Update.
5304 * resource.c (mark_target_live_regs): Update.
5305 * sched-rgn.c (debug_dependencies): Update.
5306 * sched-vis.c (print_insn): Update.
5307 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
5308 * config/i386/i386.c (ix86_output_function_epilogue): Update.
5309 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
5310 (TARGET_ADJUST_UNROLL_MAX): Likewise.
5311 (split_branches): Update.
5312 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
5314 (sh_adjust_unroll_max): Exterminate.
5315 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
5316 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
5317 (m68hc11_reorg): Likewise.
5318 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
5319 (emit_predicate_relation_info): Update.
5320 (process_for_unwind_directive): Update.
5321 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
5322 (output_call): Update.
5323 * config/pa/pa.c (output_lbranch): Update.
5324 (output_millicode_call): Update.
5325 (output_call): Update.
5326 (pa_combine_instructions): Update.
5327 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
5328 * config/bfin/bfin.c (gen_one_bundle): Update.
5329 * cfgrtl.c (can_delete_note_p): Update.
5330 (delete_insn): Update.
5331 (rtl_merge_blocks): Update.
5332 (commit_one_edge_insertion): Update.
5333 (rtl_verify_flow_info): Update.
5334 * stmt.c (expand_case): Do not call squeeze_notes.
5336 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5343 * c.opt (Wtype-limits): New.
5344 * doc/invoke.texi (Wtype-limits): Document it.
5345 (Wextra): Enabled by -Wextra.
5346 * c-opts.c (c_common_post_options): Enabled by -Wextra.
5347 * c-common.c (shorten_compare): Warn with Wtype-limits.
5349 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5351 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
5352 inlined function, not as a macro.
5353 (_mm_alignr_pi8): Ditto.
5354 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5355 (_mm_inserti_si64): Ditto.
5356 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5357 (_mm_extract_epi16): Ditto.
5358 (_mm_insert_epi16): Ditto.
5359 (_mm_shufflehi_epi16): Ditto.
5360 (_mm_shufflelo_epi16): Ditto.
5361 (_mm_shuffle_epi32): Ditto.
5362 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
5363 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
5365 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
5367 (_m_to_float): Use C89 compatible assignment.
5369 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
5372 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
5374 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5377 * doc/invoke.texi (Wreturn-type): Complete description.
5378 (Wextra): Delete item about return-type warning.
5379 * c-decl.c: Delete redundant Wextra warning.
5381 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5384 * config/i386/pmmintrin.h: Do not include xmmintrin.h
5385 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
5386 inlined function, not as a macro.
5387 (_mm_prefetch): Ditto.
5389 (_mm_insert_pi16): Ditto.
5391 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
5392 (_m_pshufw): Ditto. Add const to __N argument.
5393 (_mm_shufle_ps): Ditto. Add const to __mask argument.
5394 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
5395 (_mm_slli_epi32): Ditto.
5396 (_mm_srli_si128): Implement as always inlined function, not as a
5397 macro. Add __inline to function declaration.
5398 (_mm_slli_si128): Ditto.
5400 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
5402 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
5403 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
5405 (struct fenv): New structure.
5406 (FP_HANDLE_EXCEPTIONS): New define.
5407 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
5408 (_FP_DECL_EXP): New define.
5409 (FP_INIT_ROUNDMODE): New define.
5410 (FP_ROUNDMODE): New define.
5412 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5414 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
5415 (Wconversion): Update description.
5416 (Wconversion-sign): New.
5417 * c.opt (Wconversion-sign): New.
5418 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
5419 means disabled for C++. Otherwise, take the status of Wconversion.
5420 * c-common.c (conversion_warning): Warn with either Wconversion or
5422 (warnings_for_convert_and_check): Conditions are already checked by
5424 (convert_and_check): Don't check warnings if the conversion failed.
5426 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
5427 Anatoly Sokolov <aesok@dol.ru>
5429 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
5430 avr_epilogue_uses) : Add declaration.
5431 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
5432 * config/avr/constraints.md (R): New constraint.
5433 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
5434 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
5435 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
5436 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
5437 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
5438 call_prologue_saves, epilogue_restores, return_from_epilogue,
5439 return_from_main_epilogue, return_from_interrupt_epilogue,
5440 return_from_naked_epilogue, prologue, epilogue): New patterns.
5441 (jump): Handle symbol reference.
5442 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
5443 avr_output_function_prologue, avr_output_function_epilogue): Remove
5445 (avr_init_machine_status, expand_prologue, expand_epilogue,
5446 avr_asm_function_end_prologue, avr_epilogue_uses,
5447 avr_asm_function_begin_epilogue): New functions.
5448 (prologue_size, epilogue_size, jump_tables_size): Remove global
5450 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
5451 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
5452 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
5453 (avr_override_options): Initialise init_machine_status.
5454 (output_movhi): Handle all stack pointer loads.
5455 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
5456 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
5457 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
5458 (EPILOGUE_USES) Redefine.
5459 (machine_function) Declare.
5461 2007-05-19 Richard Sandiford <richard@codesourcery.com>
5463 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
5464 Use a single return statement.
5466 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5469 * builtins.c (do_mpfr_lgamma_r): New.
5470 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
5471 * tree.h (CASE_FLT_FN_REENT): New.
5473 2007-05-18 Geoffrey Keating <geoffk@apple.com>
5475 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
5476 (output_die): Use 'unsigned long' with %x.
5477 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
5478 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
5479 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
5481 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
5483 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
5488 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
5489 true if function has no argument.
5491 2007-05-18 DJ Delorie <dj@redhat.com>
5493 * config/mips/mips.c (mips_offset_within_alignment_p): New.
5494 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
5496 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5498 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
5499 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
5500 count_trailing_zeros.
5501 (__i386__): Implement count_leading_zeros using __builtin_clz().
5502 Implement count_trailing_zeros usign __builtin_ctz().
5504 2007-05-18 Richard Sandiford <richard@codesourcery.com>
5506 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
5508 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5511 * expr.c (emit_move_change_mode): Change mode of push operands here.
5513 2007-05-17 Ian Lance Taylor <iant@google.com>
5515 PR tree-optimization/31953
5516 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
5518 (set_value_range_to_null): Call set_value_range_to_value.
5519 (extract_range_from_comparison): Likewise.
5521 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5523 * toplev.c (print_version): Output GMP/MPFR version info.
5525 * builtins.c (CASE_MATHFN_REENT): New macro.
5526 (mathfn_built_in): Use it.
5527 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
5528 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
5529 BUILT_IN_LGAMMAL_R): New.
5530 * doc/extend.texi: Document new builtins.
5533 * builtins.c (do_mpfr_remquo): New.
5534 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
5535 (fold_builtin_3): Handle BUILT_IN_REMQUO.
5538 * builtins.c (fold_builtin_1): Handle y0, y1.
5539 (fold_builtin_2): Handle yn.
5542 * builtins.c (do_mpfr_bessel_n): New.
5543 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
5544 (fold_builtin_2): Handle BUILT_IN_JN.
5546 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
5549 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
5550 TYPE_PRECISION (intmax_type_node).
5552 2007-05-17 Steve Ellcey <sje@cup.hp.com>
5555 * reload.c (subst_reloads): Remove checking.
5557 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5559 PR rtl-optimization/31691
5560 * combine.c (simplify_set): Build a new src pattern instead of
5561 substituting its operands in the COMPARE case.
5563 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5565 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
5566 (execute_vrp): Preserve loops through jump threading.
5567 * tree-ssa-threadupdate.c (thread_single_edge,
5568 dbds_continue_enumeration_p, determine_bb_domination_status,
5569 thread_through_loop_header): New functions.
5570 (create_edge_and_update_destination_phis,
5571 create_edge_and_update_destination_phis): Set loops for the new blocks.
5572 (prune_undesirable_thread_requests): Removed.
5573 (redirect_edges): Do not pretend that redirect_edge_and_branch can
5575 (thread_block): Do not call prune_undesirable_thread_requests.
5577 (mark_threaded_blocks): Select edges to thread here.
5578 (thread_through_all_blocks): Take may_peel_loop_headers argument.
5579 Thread edges through loop headers independently.
5580 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
5581 * tree-pass.h (TODO_mark_first_instance): New.
5582 (first_pass_instance): Declare.
5583 * cfghooks.c (duplicate_block): Put the block to the original loop
5584 if copy is not specified.
5585 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
5586 jump threading. Pass may_peel_loop_headers to
5587 thread_through_all_blocks according to first_pass_instance.
5588 * cfgloop.h (create_preheader): Declare.
5589 * tree-flow.h (thread_through_all_blocks): Declaration changed.
5590 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
5591 * passes.c (first_pass_instance): New variable.
5592 (next_pass_1): Set TODO_mark_first_instance.
5593 (execute_todo): Set first_pass_instance.
5595 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
5597 PR tree-optimization/24659
5598 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
5599 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
5600 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
5601 OTI_vec_pack_ufix_trunc.
5602 (vec_unpacks_float_hi_optab): Define new macro.
5603 (vec_unpacks_float_lo_optab): Ditto.
5604 (vec_unpacku_float_hi_optab): Ditto.
5605 (vec_unpacku_float_lo_optab): Ditto.
5606 (vec_pack_sfix_trunc_optab): Ditto.
5607 (vec_pack_ufix_trunc_optab): Ditto.
5608 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
5609 and vec_pack_[s|u]fix_trunc_optab using
5610 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
5611 * tree-vectorizer.c (supportable_widening_operation): Handle
5612 FLOAT_EXPR and CONVERT_EXPR. Update comment.
5613 (supportable_narrowing_operation): New function.
5614 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
5615 * tree-vect-transform.c (vectorizable_conversion): Handle
5616 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
5617 (vect_gen_widened_results_half): Move before vectorizable_conversion.
5618 (vectorizable_type_demotion): Call supportable_narrowing_operation()
5619 to check for target support.
5620 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
5621 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
5622 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
5623 for VEC_PACK_FIX_TRUNC_EXPR.
5624 (expand_binop): Special case mode of the result for
5625 vec_pack_[u|s]fix_trunc_optab.
5626 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
5627 vec_pack_[u|s]fix_trunc_optab.
5629 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
5630 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
5631 * tree-pretty-print.c (dump_generic_node): Handle
5632 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
5633 VEC_PACK_FIX_TRUNC_EXPR.
5635 * expr.c (expand_expr_real_1): Ditto.
5636 * tree-inline.c (estimate_num_insns_1): Ditto.
5637 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
5639 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
5640 (vec_unpacks_float_lo_v8hi): Ditto.
5641 (vec_unpacku_float_hi_v8hi): Ditto.
5642 (vec_unpacku_float_lo_v8hi): Ditto.
5643 (vec_unpacks_float_hi_v4si): Ditto.
5644 (vec_unpacks_float_lo_v4si): Ditto.
5645 (vec_pack_sfix_trunc_v2df): Ditto.
5647 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
5649 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
5650 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
5651 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
5652 [vec_pack_ufix_trunc]: Ditto.
5653 [vec_unpacks_float_hi]: Ditto.
5654 [vec_unpacks_float_lo]: Ditto.
5655 [vec_unpacku_float_hi]: Ditto.
5656 [vec_unpacku_float_lo]: Ditto.
5658 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
5660 * soft-fp/README: Update for new files.
5661 * soft-fp/floattisf.c: New file.
5662 * soft-fp/floattidf.c: New file.
5663 * soft-fp/floattitf.c: New file.
5664 * soft-fp/floatuntisf.c: New file.
5665 * soft-fp/floatuntidf.c: New file.
5666 * soft-fp/floatuntitf.c: New file.
5667 * soft-fp/fixsfti.c: New file.
5668 * soft-fp/fixdfti.c: New file.
5669 * soft-fp/fixtfti.c: New file.
5670 * soft-fp/fixunssfti.c: New file.
5671 * soft-fp/fixunsdfti.c: New file.
5672 * soft-fp/fixunstfti.c: New file.
5673 * soft-fp/extendxftf.c: New file.
5674 * soft-fp/trunctfxf.c: New file.
5676 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5677 (__trunctfxf2): Ditto.
5679 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5680 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5681 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5682 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5683 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5684 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5686 * config/i386/t-fprules-softfp64: New file.
5687 * config/i386/sfp-machine.h: New file.
5688 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5689 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5690 and soft-fp/t-softfp to tmake_file.
5691 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5692 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5694 * config/i386/t-linux64 (softfp_wrap_start): New.
5695 (softfp_wrap_end): New.
5696 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5697 supported for TARGET_64BIT.
5699 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5701 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5702 c_common_unsigned_type behavior.
5704 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5706 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5709 2007-05-16 Eric Christopher <echristo@apple.com>
5711 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5712 saving after stack push. Set sp_offset whenever we push.
5713 (rs6000_emit_epilogue): Move altivec register restore before
5716 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5718 * configure.ac: Allow sysroots to be relocated under $prefix as
5719 well as $exec_prefix.
5720 * configure: Regenerate.
5722 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5726 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5728 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5729 (gcc_tooldir): Likewise.
5730 * configure: Regenerate.
5731 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5732 old configure.ac gcc_tooldir setting.
5733 (prefix_to_exec_prefix): New variable.
5734 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5735 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5737 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5739 * c-typeck.c (build_binary_op): Return early for error.
5741 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5743 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5744 struct nb_iter_bound.
5745 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5746 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5747 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5748 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5749 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5750 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5751 (del_scev_info): Use ggc_free.
5752 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5753 * loop-init.c: Include ggc.h.
5754 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5755 (loop_optimizer_finalize): Use ggc_free.
5756 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5757 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5758 pass_iv_optimize): Add TODO_ggc_collect.
5759 * function.h (struct function): Remove skip marker from
5761 * cfgloop.c: Include ggc.h.
5762 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5764 (establish_preds): Vector superloops is gc allocated.
5765 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5767 (flow_loops_find): Vector larray is gc allocated.
5768 (loop_exit_free): Use ggc_free.
5769 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5770 that head of exits list is now not a part of struct loop.
5771 (record_loop_exits): Allocate exits table in gc memory.
5772 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
5773 that head of exits list is now not a part of struct loop.
5774 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5775 struct loop_exit): Add GTY marker.
5776 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5777 Add skip marker to aux field. Make head of exits list a separate
5779 (struct loops): Add GTY marker. Make larray vector gc allocated.
5780 Add param marker to exits table.
5781 (get_loops): Type changed.
5782 * Makefile.in (tree-scalar-evolution.o): Add
5783 gt-tree-scalar-evolution.h dependency.
5784 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5785 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5786 * basic-block.h (struct basic_block_def): Remove skip marker from
5789 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5791 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5792 of 0 in the call to expand_expr().
5793 (expand_builtin_mathfn_3): Ditto.
5794 (expand_builtin_interclass_mathfn): Ditto.
5795 (expand_builtin_cexpi): Ditto.
5796 (expand_builtin_int_roundingfn): Ditto.
5797 (expand_builtin_int_roundingfn_2): Ditto.
5798 (expand_builtin_pow): Ditto.
5799 (expand_builtin_powi): Ditto.
5800 (expand_builtin_bswap): Ditto.
5801 (expand_builtin_unop): Ditto.
5802 (expand_builtin_fabs): Ditto.
5803 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5804 the call to expand_expr().
5805 (expand_builtin_sync_operation): Ditto.
5806 (expand_builtin_compare_and_swap): Ditto.
5807 (expand_builtin_lock_test_and_set): Ditto.
5808 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5809 instead of 0 in the call to expand_expr().
5810 (expand_builtin_extract_return_addr): Ditto.
5811 (expand_builtin_eh_return): Ditto.
5812 (expand_eh_return): Ditto.
5813 * explow.c (expr_size): Ditto.
5814 * expr.c (optimize_bitfield_assignment_op): Ditto.
5815 (expand_assignement): Ditto.
5816 (store_expr): Ditto.
5817 (store_field): Ditto.
5818 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5819 the call to expand_expr().
5820 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5821 in the call to expand_expr().
5822 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5823 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5824 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5826 * optabs.c (expand_vec_shift_expr): Ditto.
5827 (expand_vec_cond_expr): Ditto.
5828 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5829 call to expand_expr().
5830 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5831 in the call to expand_expr().
5833 2007-05-14 Dave Korn <dave.korn@artimi.com>
5835 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5837 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5839 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5840 instead of c_common_unsigned_type.
5841 (c_common_unsigned_type): Remove.
5842 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5843 c_common_unsigned_type.
5844 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5845 c_common_unsigned_type.
5846 * c-common.h (c_common_unsigned_type): Remove.
5847 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5848 c_common_unsigned_type.
5849 * c-format.c (check_format_types): Use unsigned_type_for instead of
5850 c_common_unsigned_type.
5851 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5852 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
5853 of c_common_unsigned_type.
5854 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5855 lang_hooks.types.unsigned_type.
5856 * expmed.c (make_tree): Use unsigned_type_for instead of
5857 lang_hooks.types.unsigned_type.
5858 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5859 lang_hooks.types.unsigned_type.
5860 (build_range_check): Likewise.
5861 (fold_unary): Likewise.
5862 (fold_binary): Likewise.
5863 (fold_ternary): Likewise.
5864 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5865 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5866 * tree.c (get_unsigned_type): New.
5867 (unsigned_type_for): Use get_unsigned_type instead of
5868 lang_hooks.types.unsigned_type.
5870 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5872 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5873 to m68k_get_function_kind. Update its prototype.
5874 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5876 (m68k_interrupt_function_p): Return enum m68k_function_type
5877 instead of bool. Rename to m68k_get_function_kind.
5878 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5880 (m68k_compute_frame_layout): Don't mark any register for save
5881 if an interrupt_thread attribute is specified.
5882 (m68k_hard_regno_rename_ok): Update a use of
5883 m68k_interrupt_function_p.
5884 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5885 m68k_interrupt_function_p.
5886 (m68k_function_type): New.
5887 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5888 for a function with an interrupt_thread attribute.
5889 * doc/extend.texi: Document the interrupt_thread attribute.
5891 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5893 Fix PR tree-optimization/31911
5894 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5895 if they didn't change the expression.
5897 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5899 * tree-scalar-evolution.c (resolve_mixers): Exported.
5900 * tree-scalar-evolution.h (resolve_mixers): Declare.
5901 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5902 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5903 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5904 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5905 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5906 strip_conversion, analyze_offset_expr, address_analysis,
5907 object_analysis, analyze_offset): Removed.
5908 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5909 split_constant_offset, canonicalize_base_object_address,
5910 object_address_invariant_in_loop_p, disjoint_objects_p,
5911 dr_may_alias_p, dr_address_invariant_p): New functions.
5912 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5913 and dr_analyze_alias.
5914 (initialize_data_dependence_relation): Use dr_may_alias_p
5915 and object_address_invariant_in_loop_p.
5916 (compute_self_dependence): Handle the case when
5917 DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
5918 (find_data_references_in_stmt): Restrict the analysis of data
5919 references to the given loop nest.
5920 (find_data_references_in_loop): Made static. Pass loop nest to
5921 find_data_references_in_stmt.
5922 (compute_data_dependences_for_loop): Use DR_VOPS.
5923 (free_data_ref): Free DR_VOPS.
5924 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5925 (struct innermost_loop_behavior): ... new.
5926 (struct base_object_info): Replaced by ...
5927 (struct indices): ... new.
5928 (struct dr_alias): New.
5929 (enum data_ref_type): Removed.
5930 (struct data_reference): Consist of struct innermost_loop_behavior,
5931 struct indices and struct dr_alias.
5932 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5933 (DR_MEMTAG): Renamed to ...
5934 (DR_SYMBOL_TAG): ... this.
5935 (find_data_references_in_loop): Declaration removed.
5936 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5937 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5938 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5939 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5941 2007-05-13 Revital Eres <eres@il.ibm.com>
5943 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5944 which walks virtual def-use chains to find redundant stores.
5945 (dse_optimize_stmt): Call it.
5947 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5949 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5950 * passes.c (init_optimization_passes): Move pass_jump_bypass
5953 * basic-block.h (bb_has_eh_pred): Fix style issue.
5955 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5957 PR rtl-optimization/31848
5958 * loop-invariant.c (move_invariant_reg): If we move an insn
5959 with a REG_EQUAL note, and that insn is not always executed,
5960 remove the REG_EQUAL note.
5962 2007-05-12 Richard Guenther <rguenther@suse.de>
5964 PR tree-optimization/31797
5965 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5966 propagate into a stmt that has volatile ops.
5968 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5970 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5971 (gcc_tooldir): Likewise.
5972 * configure: Regenerate.
5973 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5974 old configure.ac gcc_tooldir setting.
5975 (prefix_to_exec_prefix): New variable.
5976 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5977 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5979 2007-05-11 Silvius Rus <rus@google.com>
5981 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5982 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5983 * c-common.h (strict_aliasing_warning): Change return type.
5984 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5985 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5986 (build_c_cast): Condition call to strict_aliasing_warning.
5987 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5988 * flags.h (set_Wstrict_aliasing): Declare.
5989 * opts.c (set_Wstrict_alising): Define, add call to.
5990 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5991 * tree-ssa-alias-warnings.c: New file.
5992 * tree-ssa-alias.c (compute_may_aliases): Add call to
5993 strict_aliasing_warning_backend.
5995 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
5997 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
5998 Use loop_depth and loop_outer accessor functions.
5999 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
6000 determine_invariantness_stmt, move_computations_stmt): Ditto.
6001 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
6002 add_loop, loopify, unloop, fix_loop_structure): Ditto.
6003 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
6004 * tree-scalar-evolution.c (interpret_loop_phi,
6005 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
6006 instantiate_parameters_1, scev_const_prop): Ditto.
6007 * cfghooks.c (make_forwarder_block): Ditto.
6008 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
6009 * modulo-sched.c (loop_canon_p): Ditto.
6010 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
6011 slpeel_can_duplicate_loop_p): Ditto.
6012 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
6013 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
6014 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
6015 cancel_loop, verify_loop_structure): Ditto.
6016 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
6017 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
6018 superloops vector instead of "pred" array.
6019 (establish_preds): Take father loop as an argument. Initialize the
6021 (flow_loop_tree_node_add): Pass father loop to establish_preds.
6022 Do not initialize loop->outer.
6023 (flow_loop_tree_node_remove): Truncate the superloops vector.
6024 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
6025 "pred" merged to "superloops" vector.
6026 (loop_depth, loop_outer): New.
6027 (fel_init): Use loop_outer.
6029 2007-05-11 Jan Hubicka <jh@suse.cz>
6031 * cgraphunit.c: Include gt-cgraphunit.h
6032 (static_ctors, static_dtors): New static vars.
6033 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
6034 based on implementation in c-common.c
6035 (cgraph_finalize_function): Call record_cdtor_fn.
6036 (cgraph_optimize): Call cgraph_build_cdtor_fns.
6037 * decl.c (finish_function): Do not call c_record_cdtor_fn.
6038 (c_write_global_declarations): Do not call c_build_cdtor_fns.
6039 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
6040 build_cdtor, c_build_cdtor_fns): Remove.
6041 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
6042 c_build_cdtor_fns): Remove prototype.
6044 2007-05-11 Paolo Carlini <pcarlini@suse.de>
6047 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
6048 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
6049 * builtins.c (fold_builtin_memchr): New.
6050 (expand_builtin_memchr): Call the latter.
6051 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
6052 * doc/extend.texi ([Other built-in functions provided by GCC]):
6055 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
6057 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
6058 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
6059 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
6060 PFPO_OP1_TYPE_SHIFT): Constants added.
6061 (DFP_ALL): Mode macro defined.
6062 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
6063 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
6064 Insn definitions added.
6065 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
6066 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
6069 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
6071 PR tree-optimization/31885
6072 * tree-chrec.c (chrec_contains_undetermined): Do not consider
6073 NULL_TREE to be undetermined.
6074 (automatically_generated_chrec_p): Return false for NULL.
6076 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6078 * config/bfin/bfin.h (MOVE_RATIO): Define.
6080 2007-05-10 Richard Sandiford <richard@codesourcery.com>
6082 * config.gcc (sparc-wrs-vxworks): New target.
6083 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
6084 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
6085 * config/sparc/sparc.h: Include vxworks-dummy.h.
6086 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
6087 include LABEL_REFs too.
6088 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
6089 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
6091 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
6093 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
6094 (sparc_emit_call_insn): New function.
6095 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
6096 functions when generating VxWorks PIC.
6097 * config/sparc/sparc.md (vxworks_load_got): New pattern.
6098 (call, call_value): Use sparc_emit_call_insn instead of
6101 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6103 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
6105 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6107 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
6108 for floating-point values if HOST_BITS_PER_LONG > 32. Use
6109 split_double instead of operand_subword.
6111 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6113 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
6114 * config/bfin/bfin.c (bfin_local_alignment): New function.
6115 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
6117 2007-05-08 Chao-ying Fu <fu@mips.com>
6119 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
6120 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
6121 (smsub_widen_optab, umsub_widen_optab): Define.
6122 * optabs.c (init_optabs): Initialize smsub_widen_optab and
6124 * genopinit.c (optabs): Fill in smsub_widen_optab and
6126 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
6127 and umsub_widen_optab to implement multiply-subtract sequences.
6128 * config/mips/mips.md (*msac<u>_di): Rename to...
6129 (<u>msubsidi4): ...this. Extend condition to include
6130 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6131 of operand 0 to "ka" and use the three-operand form of msub<u>
6133 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
6136 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
6138 PR rtl-optimization/28011
6139 * reload.c (push_reload): Set dont_share if IN appears in OUT
6140 also when IN is a PLUS rtx.
6141 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
6144 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
6146 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
6147 call unshare_all_decls.
6148 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
6149 (unshare_all_decls): Remove.
6151 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
6154 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
6157 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
6158 Nigel Stephens <nigel@mips.com>
6160 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
6161 Update comments and all uses.
6162 (MIN_FPRS_PER_FMT): Define.
6163 * config/mips/mips.c (function_arg): Fix to correctly handle
6164 the -mips32r2 -mfp64 -mabi=32 case.
6165 (override_options): Enable use of odd-numbered registers for
6166 SFmode values on MIPS32.
6167 (mips_save_reg_p): Save whole floating-point register pair if
6168 either half is used.
6169 (compute_frame_size): Fix comment.
6171 2007-05-08 Jie Zhang <jie.zhang@analog.com>
6173 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
6174 argument of type bool.
6175 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
6176 argument. Safely select temporary P register according to it.
6177 (do_link): Change call site of add_to_reg accordingly.
6178 (do_unlink): Add epilogue_p as a fourth argument and pass it
6180 (expand_interrupt_handler_epilogue): Change call of do_unlink
6182 (bfin_expand_prologue): Add a third argument sibcall_p.
6183 * config/bfin/bfin.md (epilogue): Change call of
6184 bfin_expand_epilogue accordingly.
6185 (sibcall_epilogue): Likewise.
6186 (eh_return_internal): Likewise.
6188 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
6189 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
6190 * config/bfin/bfin.c (bfin_handle_option): Handle
6191 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
6192 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
6193 Support bf534, bf536 and bf561.
6194 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
6196 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
6199 * config/i386/i386.c (ix86_function_regparm): Process local
6200 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
6202 2007-05-07 Mike Stump <mrs@apple.com>
6204 * doc/invoke.texi (Warning Options): Document that -Wempty-body
6205 also checks for and while statements in C++.
6207 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
6209 * gcc.c (at_file_supplied): New variable.
6210 (main): Set it if we expanded argv.
6211 (do_spec_1): Pass an @-file to the linker if we were called with
6212 an @-file argument and HAVE_GNU_LD.
6213 * collect2.c (at_file_supplied): New variable.
6214 (response_file): New variable.
6215 (collect_exit): Unlink response_file if necessary.
6216 (handler): Likewise.
6217 (do_wait): Likewise.
6218 (main): Set at_file_supplied if we expanded argv.
6219 (collect_execute): Pass an @-file to subprocesses if we were called
6220 with an @-file argument.
6221 * configure.ac: Add define for HAVE_GNU_LD.
6222 * configure: Regenerate.
6223 * config.in: Regenerate.
6225 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
6227 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
6233 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
6235 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
6236 (TARGET_ENCODE_SECTION_INFO): Re-define.
6237 (m32c_encode_section_info): New
6238 (function_vector_handler): New
6239 (current_function_special_page_vector): New
6240 (m32c_special_page_vector_p): New.
6241 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
6243 * config/m32c/jump.md: Added instruction JSRS for functions
6244 with attribute "function_vector".
6245 * doc/extend.texi (function_vector): Added description
6246 for M16C, M32C targets.
6248 2007-05-07 DJ Delorie <dj@redhat.com>
6251 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
6252 ashrpsi3, lshrpsi3): Update shift count constraint.
6254 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
6255 Nathan Froyd <froydnj@codesourcery.com>
6258 * c-incpath.c (add_path): Strip trailing path separators.
6260 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
6262 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
6263 Free dominance info before purging EH edges.
6264 (eliminate_degenerate_phis): Likewise.
6265 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
6267 2007-05-07 Jan Hubicka <jh@suse.cz>
6269 * gimplify.c (gimplify_expr): Do not crash when folding
6270 (void *)(int)&a + 4.
6272 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6275 * c-opts.c (lang_fortran): Make it non static.
6276 * c-common.h (lang_fortran): New prototype.
6277 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
6278 -lang-fortran option was passed by the driver.
6280 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
6282 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
6283 of ASSERT_CHECKING. Tweak message.
6285 2007-05-06 Revital Eres <eres@il.ibm.com>
6288 * loop-unroll.c (insert_var_expansion_initialization):
6289 Initialize the expansions with -zero instead of +zero.
6291 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
6293 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
6294 into pic and non-pic versions. Mark r19 as used for
6295 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
6296 for tgd_load, tld_load and tie_load .
6297 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
6298 version of tgd_load, tld_load and tie_load depending on the
6301 2007-05-04 Ulrich Drepper <drepper@redhat.com>
6302 Jakub Jelinek <jakub@redhat.com>
6304 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
6305 (__do_global_dtors_aux): Use more paranoid loop to run
6306 destructors if HIDDEN_DTOR_LIST_END.
6307 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
6309 2007-05-04 Jakub Jelinek <jakub@redhat.com>
6311 * varasm.c (align_variable): Don't increase alignment for
6312 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
6313 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
6315 2007-05-04 Josh Conner <jconner@apple.com>
6317 * basic-block.h (cdi_direction): Assign values to all enumeration
6319 (dom_computed): Remove.
6320 (dom_info_state): New.
6321 (set_dom_info_availability): New.
6322 * tree-ssa-loop-im.c (determine_invariantness): Initialize
6323 walk_data.dom_direction.
6324 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
6325 instead of dom_computed[].
6326 (split_edge): Likewise.
6327 (create_basic_block): Likewise.
6328 (merge_blocks): Likewise.
6329 * ifcvt.c (find_if_header): Likewise.
6330 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
6331 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6332 * tree-ssa.c (verify_ssa): Likewise.
6333 * tree-cfg.c (tree_verify_flow_info): Likewise.
6334 (remove_edge_and_dominated_blocks): Likewise.
6335 * dominance.c (dom_computed): Make static.
6336 (calc_dfs_tree_nonrec): Change third param to a bool.
6337 (calc_dfs_tree): Change second param to a bool.
6338 (calc_idioms): Change second param to a bool. Use
6339 dom_convert_dir_to_idx.
6340 (init_dom_info): Validate dir before using.
6341 (dom_convert_dir_to_idx): New.
6342 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
6343 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
6344 (free_dominance_info): Use dom_convert_dir_to_idx.
6345 (get_immediate_dominator): Likewise.
6346 (set_immediate_dominator): Likewise.
6347 (get_dominated_by): Likewise.
6348 (redirect_immediate_dominators): Likewise.
6349 (nearest_common_denominator): Likewise.
6350 (dominated_by_p): Likewise.
6351 (bb_dom_dfs_in): Likewise.
6352 (bb_dom_dfs_out): Likewise.
6353 (recount_dominator): Likewise.
6354 (iterate_fix_dominators): Likewise.
6355 (add_to_dominance_info): Likewise.
6356 (delete_from_dominance_info): Likewise.
6357 (first_dom_son): Likewise.
6358 (next_dom_son): Likewise.
6359 (dom_info_available_p): Likewise.
6360 (dom_info_state): New.
6361 (set_dom_info_availability): New.
6363 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6365 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
6367 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
6369 2007-05-04 Bob Wilson <bob.wilson@acm.org>
6371 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
6372 (subdi3, subdi_carry): Delete.
6374 2007-05-04 Jan Hubicka <jh@suse.cz>
6375 Richard Guenther <rguenther@suse.de>
6377 * opts.c (decode_options): Do not fiddle with inlining
6378 parameters in case of optimizing for size.
6379 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
6380 for size do nothing.
6381 (cgraph_decide_inlining_of_small_function): When optimizing for
6382 size never inline functions increasing caller size.
6383 (cgraph_early_inlining): Inline for size when optimizing for size.
6385 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
6387 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
6388 logical operations piecewise.
6389 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
6390 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
6391 subdi_sesidi_di): Delete.
6392 (add_with_carry): Produce carry in CC instead of a DREG to shorten
6393 the generated sequence. Allow three-reg add in constraints. Rewrite
6394 the rtl expression for carry to avoid zero_extend of a constant.
6395 (sub_with_carry): New pattern.
6396 (adddi3, subdi3): Change into define_expand. For subtract, generate a
6397 different sequence not involving jumps.
6398 (notbi): Now a named pattern.
6400 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
6402 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
6403 Add the note about a significant loss of accuracy of some
6404 mathematical routines when these options are used.
6406 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6408 * haifa-sched.c (rtx_vec_t): New typedef.
6409 (contributes_to_priority_p): Extract piece of priority () into new
6411 (priority): Use the function. Add assertion.
6412 (rank_for_schedule, set_priorities): Add assertion to check that
6413 insn's priority is initialized.
6414 (clear_priorities, calc_priorities): Change signature. Make it update
6415 all relevant insns. Update all callers ('add_to_speculative_block ()'
6416 and 'create_block_check_twin ()').
6417 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
6418 Add new field 'priority_status'.
6419 (INSN_PRIORITY_STATUS): New macro.
6420 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
6422 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6424 * sched-ebb.c (debug_ebb_dependencies): New static function.
6425 (init_ready_list): Use it.
6427 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
6428 with changed signature and 'debug_rgn_dependencies ()'.
6429 (debug_rgn_dependencies): New static function.
6430 (init_ready_list): Use it.
6432 * sched-int.h (debug_dependencies): Declare.
6434 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6436 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
6438 2007-05-04 Dirk Mueller <dmueller@suse.de>
6440 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
6442 2007-05-03 Jan Hubicka <jh@suse.cz>
6444 * fold-const.c (fold_unary): Convert (T1)(X op Y) into
6445 ((T1)X op (T1)Y), for pointer type in more cases than before.
6447 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
6449 * tree-object-size.c (plus_expr_object_size): When operand size is
6450 unknown, return unknown.
6452 2007-05-03 Dirk Mueller <dmueller@suse.de>
6454 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
6456 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
6459 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
6461 2007-05-03 Janis Johnson <janis187@us.ibm.com>
6463 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
6465 2007-05-03 Joseph Myers <joseph@codesourcery.com>
6467 * config/soft-fp/double.h, config/soft-fp/extended.h,
6468 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
6469 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
6470 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
6471 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
6474 2007-05-03 Ian Lance Taylor <iant@google.com>
6476 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
6477 MASK_PPC_GFXOPT for 8540 or 8548.
6479 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6481 * tree-vect-transform.c (vect_update_inits_of_drs): Use
6482 vect_print_dump_info() to output debug information.
6484 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6487 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
6488 operands of size 2 when operand is not MEM_P.
6490 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6492 PR tree-optimization/30565
6493 * lambda-code.c (perfect_nestify): Fix updating of dominators.
6495 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
6497 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
6498 (umulsi3_highpart): Use them.
6499 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
6500 for final accumulator to D regisster tranfser.
6502 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
6504 PR tree-optimization/31699
6505 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
6507 (vect_enhance_data_refs_alignment): Compute peel amount using
6508 TYPE_VECTOR_SUBPARTS instead of vf.
6509 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
6511 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
6514 * system.h: Remove inclusion of double-int.h
6515 * tree.h: Include double-int.h
6516 * gengtype.c: Likewise
6517 * cfgloop.h: Likewise
6518 * Makefile.in: Adjust dependencies on double-int.h
6520 2007-05-02 Eric Christopher <echristo@apple.com>
6522 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
6523 -shared to -Zdynamiclib.
6525 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
6528 * c-common.c (strip_pointer_or_array_types): New function.
6529 * c-common.h (strip_pointer_or_array_types): New function declaration.
6531 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6533 PR tree-optimization/31771
6534 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
6536 2007-05-02 Paul Brook <paul@codesourcery.com>
6538 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
6540 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6543 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
6546 2007-05-02 Nick Clifton <nickc@redhat.com>
6548 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
6550 2007-05-02 Richard Guenther <rguenther@suse.de>
6552 PR tree-optimization/31146
6553 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
6554 argument, single_use_p. If we have a single use that is
6555 a conversion to the definition rhs type, propagate that rhs.
6556 (forward_propagate_addr_expr): Pass single_use_p argument
6557 to forward_propagate_addr_expr_1.
6559 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
6561 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
6564 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6566 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
6567 'AMD Family 10 core'.
6569 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6571 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
6572 and athlon64-sse3 as improved versions of k8, opteron and athlon64
6573 with SSE3 instruction set support.
6574 * doc/invoke.texi: Likewise.
6576 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6578 * config/i386/i386.c (override_options): Tuning 32-byte loop
6579 alignment for amdfam10 architecture. Increasing the max loop
6580 alignment to 24 bytes.
6582 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
6584 * config/m68k/constraints.md: New.
6585 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
6586 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
6587 EXTRA_CONSTRAINT): Remove.
6588 * config/m68k/m68k.md: Include constraints.md.
6589 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
6591 2007-05-01 Ian Lance Taylor <iant@google.com>
6593 PR tree-optimization/31739
6594 * tree-vrp.c (vrp_val_is_max): New static function.
6595 (vrp_val_is_min): New static function.
6596 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
6598 (set_value_range): Use vrp_val_is_{max,min}.
6599 (extract_range_from_assert): Likewise.
6600 (extract_range_from_binary_expr): Likewise.
6601 (extract_range_from_unary_expr): Likewise.
6602 (dump_value_range, vrp_meet): Likewise.
6603 (vrp_visit_phi_node): Likewise.
6604 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
6606 2007-05-01 Mark Mitchell <mark@codesourcery.com>
6608 * config/i386/gmon-sol2.c (size_t): New type.
6609 (intptr_t): Likewise.
6610 (s_textsize): Declare as size_t.
6612 (monstartup): Use size_t for sizes.
6613 (_mcount): Save and restore registers.
6614 (internal_mcount): Pass 0 as the first argument to monstartup
6616 (moncontrol): Convert pointer to appropriately sized integer
6617 before passing to profil.
6619 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6621 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
6622 __NO_FPRS__, not just if _SOFT_DOUBLE.
6623 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
6624 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
6625 also for E500 double.
6626 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
6627 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
6630 2007-05-01 Richard Guenther <rguenther@suse.de>
6632 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
6635 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6637 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
6639 2007-05-01 Jan Hubicka <jh@suse.cz>
6641 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
6644 2007-05-01 Jan Hubicka <jh@suse.cz>
6646 * tree.h (maybe_fold_offset_to_component_ref): Remove.
6647 (maybe_fold_offset_to_reference): Declare.
6648 * fold-const.c (fold_unary): Do not fold
6649 (type *)&A into &A->field_of_type_and_offset_0
6650 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
6651 size is unknown, give up.
6652 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
6654 (maybe_fold_offset_to_reference): New.
6655 (maybe_fold_stmt_indirect): Use it.
6656 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
6657 * gimplify.c (gimplify_conversion): Canonicalize conversions to
6659 (gimplify_expr): Likewise for plus_expr.
6661 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6663 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
6664 bsi_after_labels. Always insert statements before bsi.
6665 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6666 * predict.c (apply_return_prediction): Check for empty blocks.
6667 * cfgexpand.c (lab_rtx_for_bb): New variable.
6668 (label_rtx_for_bb): Do not create new tree labels.
6669 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
6670 (tree_expand_cfg): Initialize lab_rtx_for_bb.
6671 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
6673 (label_for_bb): Add field used.
6674 (update_eh_label, main_block_label): Mark the label used.
6675 (cleanup_dead_labels): Remove unused labels.
6677 2007-05-01 Richard Guenther <rguenther@suse.de>
6679 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6680 if it is not about to be set.
6681 (get_value_range): Do not pre-allocate equiv bitmap.
6682 (update_value_range): No need to clear equiv field.
6683 (add_equivalence): Change prototype to get bitmap pointer.
6684 Allocate bitmap here if it is not already.
6685 (extract_range_from_assert): Do not allocate bitmap here.
6686 Update callers to add_equivalence.
6687 (extract_range_from_ssa_name): Likewise.
6688 (get_vr_for_comparison): New static helper.
6689 (compare_name_with_value): Handle NULL equiv bitmap by
6690 peeling the first iteration of the comparison loop.
6691 Use get_vr_for_comparison.
6692 (compare_names): Handle NULL equiv bitmaps by using fake
6693 ones. Use get_vr_for_comparison.
6695 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6697 * double-int.c (mpz_set_double_int): Moved from
6698 tree-ssa-loop-niter.c.
6699 (mpz_get_double_int): Likewise; also, add option to wrap
6700 out-of-range integers.
6701 * double-int.h: New prototypes for above.
6702 * tree.c (get_static_type_bounds): Moved from
6703 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6704 TYPE_MAX_VALUE if they exist..
6705 * tree.h: New prototype for above.
6706 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6707 get_type_bounds calls.
6708 (mpz_set_double_int): Move to double-int.c.
6709 (get_type_bounds): Move to tree.c, rename to
6710 get_static_type_bounds.
6711 (mpz_to_double_int): Move to double-int.c, rename to
6714 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6716 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6717 DIV0 exception can fall through to a normal return.
6719 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6723 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6724 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6725 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6726 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6727 initialize align to silence bogus warning.
6728 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6729 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6731 (struct sra_walk_fns): Remove use_all parameter from use.
6732 (sra_hash_tree): Handle BIT_FIELD_REFs.
6733 (sra_elt_hash): Don't hash bitfld blocks.
6734 (sra_elt_eq): Skip them in parent compares as well. Handle
6736 (sra_walk_expr): Don't maintain or pass down use_all_p.
6737 (scan_use): Remove use_all parameter.
6738 (scalarize_use): Likewise. Re-expand assignment to
6739 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6740 output, and re-scalarize after output. Don't mark anything
6742 (scalarize_ldst): Adjust.
6743 (scalarize_walk_gimple_modify_statement): Likewise.
6744 (build_element_name_1): Handle BIT_FIELD_REFs.
6745 (instantiate_element): Don't warn for any element whose parent
6747 (instantiate_missing_elements_1): Return the sra_elt.
6748 (canon_type_for_field): New.
6749 (try_instantiate_multiple_fields): New.
6750 (instantiate_missing_elemnts): Use them.
6751 (mark_no_warning): Removed.
6752 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6753 (REPLDUP, sra_build_elt_assignment): New.
6754 (generate_copy_inout): Use them.
6755 (generate_element_copy): Likewise. Handle bitfld differences.
6756 (generate_element_zero): Don't recurse for blocks. Use
6757 sra_build_elt_assignment.
6758 (generate_one_element_int): Take elt instead of var. Use
6759 sra_build_elt_assignment.
6760 (generate_element_init_1): Adjust.
6761 (scalarize_use, scalarize_copy): Use REPLDUP.
6762 (scalarize_ldst): Move assert before dereference.
6763 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6765 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6768 * tree.c (reconstruct_complex_type): Reconstruct a reference
6770 Also use the same mode for the pointer as the old pointer type.
6772 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6774 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6777 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6779 PR rtl-optimization/31676
6780 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6781 (df_refs_record): Call it.
6783 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6785 * rtl.def (SS_ABS): New code.
6786 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6787 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6788 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6789 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6790 (bfin_init_builtins): Define them.
6791 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6792 (bfin_expand_builtin): ... and handle the others here.
6793 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6794 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6795 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6796 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6797 operand is only HImode.
6799 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6801 * regclass.c (scan_one_insn): Remove splitting of
6804 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6805 Nigel Stephens <nigel@mips.com>
6807 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6809 2007-04-28 Jan Hubicka <jh@suse.cz>
6811 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6812 insn_locators_alloc instead of insn_locators_initialize;
6813 call reset_block_changes.
6814 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6815 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6816 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6817 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6818 * config/score/score.c (th_output_mi_thunk): Likewise.
6819 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6820 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6821 tolerate uninitialized locator info.
6824 * function.c (init_function_start): Don't init line number info.
6825 (expand_function_end): Update.
6826 (reset_block_changes, record_block_change, finalize_block_changes,
6827 check_block_change, free_block_changes): Kill.
6828 * function.h (reset_block_changes, record_block_change,
6829 finalize_block_changes, check_block_change, free_block_changes):
6831 (struct function): Remove ib_boundaries_block.
6832 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6833 Use curr_insn_locator to initialize locator.
6834 (emit_line_note): Remove.
6835 * cfgexpand.c (expand_gimple_cond_expr): Update.
6836 (construct_exit_block): Likewise.
6837 (tree_expand_cfg): Initialize/finalize locators.
6838 * expr.c (expand_expr_real): Update.
6839 * cfglayout.c (line_locators_locs, line_locators_lines,
6840 file_locators_locs, file_locators_files): Remove.
6841 (set_block_levels): Move to cfgexpand.c.
6842 (insn_locators_initialize): Remove.
6843 (pass_insn_locators_initialize): Remove.
6844 (locations_locators_locs, locations_locators_vals): New static vars.
6845 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6847 (insn_locators_alloc, insn_locators_finalize,
6848 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6850 (locator_location): New.
6851 (locator_line, locator_file): Rewrite.
6852 * rtl.h (emit_line_note): Kill.
6853 (insn_locators_alloc, insn_locators_finalize,
6854 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6856 * tree-inline.c (initialize_cfun): Do not initialize
6857 ib_boundaries_block.
6858 * passes.c (pass_insn_locators_initialize): Remove.
6860 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6862 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6863 info. Update last_basic_block correctly.
6865 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6868 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6869 register itself to hold the offset constant. Tell flow the use
6870 of r4 and r5 when they are used.
6872 2007-04-27 Richard Guenther <rguenther@suse.de>
6874 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6875 if we simplified anything.
6876 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6877 warnings until we did a simplification and the stmt was not
6878 marked as TREE_NO_WARNING.
6880 2007-04-27 Mike Stump <mrs@apple.com>
6882 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6884 2007-04-27 Ian Lance Taylor <iant@google.com>
6887 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6888 TYPE_MAX_VALUE exist, convert them to the new type.
6890 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6892 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6893 if it claims to be available.
6894 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6896 (perform_tree_ssa_dce): Always free postdominators.
6898 2007-04-27 Richard Henderson <rth@redhat.com>
6900 * config/alpha/predicates.md (aligned_memory_operand): Mark
6901 as define_special_predicate.
6902 (unaligned_memory_operand, normal_memory_operand): Likewise.
6903 (reg_or_unaligned_mem_operand): Remove.
6904 (any_memory_operand): Match the documentation and check for
6905 non-renumbered pseudos during reload.
6906 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6907 alpha_secondary_reload_class, update to new interface, make static.
6908 Handle CQImode like HImode. Remove FP subreg check.
6909 (alpha_expand_mov): Use replace_equiv_address.
6910 (alpha_expand_mov_nobwx): Use any_memory_operand.
6911 (TARGET_SECONDARY_RELOAD): New.
6912 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6913 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6914 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6915 * config/alpha/alpha.md: ... here.
6916 (RELOAD12, reloadmode): New.
6918 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6919 Don't handle the aligned case here.
6920 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6921 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6922 reload_inhi_help. Don't expect a scratch register.
6923 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6925 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6927 2007-04-27 Richard Guenther <rguenther@suse.de>
6929 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6931 2007-04-27 Richard Guenther <rguenther@suse.de>
6933 PR tree-optimization/30965
6934 PR tree-optimization/30978
6935 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6936 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6937 (find_equivalent_equality_comparison): Likewise.
6938 (simplify_cond): Likewise.
6939 (get_prop_source_stmt): New helper.
6940 (get_prop_dest_stmt): Likewise.
6941 (can_propagate_from): Likewise.
6942 (remove_prop_source_from_use): Likewise.
6943 (combine_cond_expr_cond): Likewise.
6944 (forward_propagate_comparison): New function.
6945 (forward_propagate_into_cond): Rewrite to use fold for
6947 (tree_ssa_forward_propagate_single_use_vars): Call
6948 forward_propagate_comparison to propagate comparisons.
6950 2007-04-27 Richard Guenther <rguenther@suse.de>
6952 PR tree-optimization/31715
6953 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6954 sure to do computation on the offset in an appropriate
6957 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6959 * reload.h (elimination_target_reg_p): Declare.
6960 * reload.c (find_reloads): Don't apply the reg_rtx move
6961 optimization if the SET_DEST satisfies elimination_target_reg_p.
6962 * reload1.c (elimination_target_reg_p): New function.
6963 (gen_reload): In the move/add2 fallback, make sure that op0
6964 does not overlap the destination register.
6966 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6968 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6969 transform only GIMPLE_MODIFY_STMTs.
6970 * tree-complex.c (expand_complex_operations_1): Ditto.
6971 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6972 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6973 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6975 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6976 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6977 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6978 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6979 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6980 slpeel_add_loop_guard): Ditto.
6981 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6982 * lambda-code.c (perfect_nestify): Ditto.
6983 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6984 before the first statement.
6985 * tree-optimize.c (execute_free_datastructures): Fix comments.
6986 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6987 * tree-flow.h (disband_implicit_edges): Declaration removed.
6988 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6990 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
6991 COND_EXPRs without gotos.
6992 (disband_implicit_edges, has_label_p): Removed.
6993 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
6994 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
6996 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
6998 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
6999 also for COND_EXPRs.
7000 * cfgexpand.c (label_rtx_for_bb): New function.
7001 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
7002 Use label_rtx_for_bb to find the labels.
7003 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
7004 last block. Detect fallthru edges.
7006 2007-04-26 Ian Lance Taylor <iant@google.com>
7009 * reload.c (find_reloads_subreg_address): If the address was valid
7010 in the original mode but not in the new mode, reload the whole
7013 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
7015 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
7016 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
7017 (cleanup_control_expr_graph): Do not invalidate dominance info.
7018 Record altered blocks.
7019 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
7020 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
7021 cleanup_tree_cfg_bb): New functions.
7022 (remove_forwarder_block): Do not maintain the worklist of blocks.
7023 Record altered blocks.
7024 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
7026 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
7027 delete_unreachable_blocks if dominators are not available.
7028 * tree-inline.c (optimize_inline_calls): Free dominance information
7030 * tree-flow.h (remove_edge_and_dominated_blocks,
7031 cfgcleanup_altered_bbs): Altered.
7032 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
7034 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
7036 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
7037 do not invalidate dominators.
7039 2007-04-26 Anatoly Sokolov <aesok@post.ru>
7041 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
7042 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
7043 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7044 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7046 2007-04-26 Steve Ellcey <sje@cup.hp.com>
7048 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
7050 2007-04-26 Richard Guenther <rguenther@suse.de>
7052 PR tree-optimization/31703
7053 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
7054 the right type for the target of the bittest.
7056 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7058 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
7059 ix86_sol10_return_in_memory.
7061 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7063 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
7066 2007-04-26 Jakub Jelinek <jakub@redhat.com>
7069 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
7071 PR tree-optimization/30558
7072 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
7073 clear this_state.prev_try.
7075 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7076 Mark Mitchell <mark@codesourcery.com>
7078 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
7079 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
7080 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
7082 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7085 * doc/invoke.texi (%:print-asm-header): Document.
7086 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
7088 (static_spec_functions): Add print-asm-header.
7089 (main): Print a banner before the --target-help linker options.
7090 (print_asm_header_spec_function): New function.
7092 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
7095 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
7096 (movsf_ie): Likewise.
7098 2007-04-25 Paolo Carlini <pcarlini@suse.de>
7100 * doc/extend.texi ([Type Traits]): Adjust per N2255.
7102 2007-04-25 Bob Wilson <bob.wilson@acm.org>
7104 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
7105 exception for divide-by-zero.
7106 (__umodsi3, __modsi3): Likewise.
7108 2007-04-25 Dirk Mueller <dmueller@suse.de>
7110 * c-typeck.c (build_compound_expr): Annotate warning()
7111 call with OPT_Wunused_value.
7112 * tree-ssa.c (warn_uninit): Annotate warning with
7114 * c-common.c (handle_sentinel_attribute): Annotate warning
7115 call with OPT_Wattributes.
7117 2007-04-25 Thiemo Seufer <ths@mips.com>
7119 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
7121 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
7122 on to the assembler. Improve handling of -mno-mips16. Add handling
7123 of -mno-mips3d, -mno-dsp, -mno-dspr2.
7124 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
7125 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
7126 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
7128 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
7131 * config/i386/winnt.c (i386_pe_file_end): Strip only
7132 USER_LABEL_PREFIX when writing export name.
7134 2007-04-25 Richard Sandiford <richard@codesourcery.com>
7136 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
7137 sh/elf.h, vx-common.h and vxworks.h.
7138 * config/sh/sh.h: Include config/vxworks-dummy.h.
7139 (SUBTARGET_OVERRIDE_OPTIONS): Define.
7140 (OVERRIDE_OPTIONS): Use it.
7141 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
7142 (vxworks_picreg): New pattern.
7143 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
7144 VXWORKS_OS_CPP_BUILTINS.
7145 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
7146 to their VXWORKS_* equivalents.
7147 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
7148 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
7149 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
7150 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
7151 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
7152 -mrtp/-fPIC multilibs.
7153 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
7154 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
7155 (MULTILIB_OSDIRNAMES): Delete.
7157 2007-04-25 Anatoly Sokolov <aesok@post.ru>
7160 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
7162 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
7164 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
7165 rounding mode to be specified by the caller.
7166 (real_to_mpfr) Likewise.
7167 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
7168 include new arguments.
7169 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
7171 2007-04-24 Ian Lance Taylor <iant@google.com>
7173 PR tree-optimization/31605
7174 * tree-vrp.c (set_value_range): Check that min and max are not
7175 both overflow infinities.
7176 (set_value_range_to_value): New static function.
7177 (extract_range_from_binary_expr): Call set_value_range_to_value.
7178 (extract_range_from_cond_expr): Likewise.
7179 (extract_range_from_expr): Likewise.
7180 (extract_range_from_unary_expr): Likewise. Don't create a range
7181 which overflows on both sides.
7182 (vrp_meet): Check for a useless range.
7183 (vrp_visit_phi_node): If we see a constant which looks like an
7184 overflow infinity, turn off the TREE_OVERFLOW flag.
7186 2007-04-24 Ian Lance Taylor <iant@google.com>
7188 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
7190 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
7193 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
7194 diagnostic message is being built.
7195 * tree-pretty-print.c (dump_generic_node): Only write the
7196 formatted text into BUFFER's stream if we are not building a
7198 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
7200 * Makefile.in (toplev.o): Depend on tree-pass.h.
7202 2007-04-24 Ian Lance Taylor <iant@google.com>
7204 PR tree-optimization/31602
7205 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
7206 conditionals in the copied loop header.
7207 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
7208 warnings if TREE_NO_WARNING is set.
7209 * doc/invoke.texi (Warning Options): Clarify that
7210 -Wstrict-overflow does not warn about loops.
7212 2007-04-24 Janis Johnson <janis187@us.ibm.com>
7214 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
7215 expand on the comment about _Decimal128 arguments and check the
7216 integer result of the modulus operation; for 64-bit ELF ABI, ensure
7217 that _Decimal128 argument uses even/odd register pair.
7218 (function_arg): Ditto.
7220 2007-04-24 Hui-May Chang <hm.chang@apple.com>
7222 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
7223 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
7225 2007-04-24 Richard Guenther <rguenther@suse.de>
7226 Olga Golovanevsky <olga@il.ibm.com>
7228 * fold-const.c (multiple_of_p): Check for bottom
7231 2007-04-24 Richard Henderson <rth@redhat.com>
7233 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
7234 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
7235 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
7236 looking for non-zero bits shifted out. Avoid a recursive call
7237 when constructing the scalar.
7238 (__floatundisf): Likewise.
7240 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
7242 * dwarf2out.c (field_byte_offset): Move the existing logic
7243 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
7244 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
7246 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
7249 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
7250 length argument of 0 for memset.
7251 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
7252 unsigned shift instead of the signed variant.
7254 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
7256 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
7257 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
7258 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
7259 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7260 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
7261 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
7262 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
7263 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
7264 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
7265 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
7266 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
7267 "mul<mode>3", "div<mode>3"): Insn definitions added.
7268 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
7269 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
7270 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
7271 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
7272 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
7273 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
7274 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
7275 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
7276 TARGET_FLOAT_FORMAT): Macro definitions removed.
7277 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
7278 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
7279 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
7280 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
7281 (s390_gen_rtx_const_DI): Function removed.
7282 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
7284 2007-04-24 Richard Sandiford <richard@codesourcery.com>
7286 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
7287 over an external ffs function.
7289 2007-04-24 Chao-ying Fu <fu@mips.com>
7290 Richard Sandiford <richard@nildram.co.uk>
7292 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
7293 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
7294 (smadd_widen_optab, umadd_widen_optab): Define.
7295 * optabs.c (init_optabs): Initialize smadd_widen_optab and
7297 * genopinit.c (optabs): Fill in smadd_widen_optab and
7299 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
7300 and umadd_widen_optab to implement multiply-add sequences.
7301 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
7302 (<u>maddsidi4): ...this. Extend condition to include
7303 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
7304 of operand 0 to "ka" and use the three-operand form of madd<u>
7306 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
7308 * config/mips/constraints.md (ka): New register constraint.
7310 2007-04-24 Jan Hubicka <j@suse.cz>
7314 2007-04-23 Jan Hubicka <jh@suse.cz>
7315 * function.c (init_function_start): Don't init line number info.
7316 (expand_function_end): Update.
7317 (reset_block_changes, record_block_change, finalize_block_changes,
7318 check_block_change, free_block_changes): Kill.
7319 * function.h (reset_block_changes, record_block_change,
7320 finalize_block_changes, check_block_change, free_block_changes):
7322 (struct function): Remove ib_boundaries_block.
7323 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7324 Use curr_insn_locator to initialize locator.
7325 (emit_line_note): Remove.
7326 * cfgexpand.c (expand_gimple_cond_expr): Update.
7327 (construct_exit_block): Likewise.
7328 (tree_expand_cfg): Initialize/finalize locators.
7329 * expr.c (expand_expr_real): Update.
7330 * cfglayout.c (line_locators_locs, line_locators_lines,
7331 file_locators_locs, file_locators_files): Remove.
7332 (set_block_levels): Move to cfgexpand.c.
7333 (insn_locators_initialize): Remove.
7334 (pass_insn_locators_initialize): Remove.
7335 (locations_locators_locs, locations_locators_vals): New static vars.
7336 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7338 (insn_locators_alloc, insn_locators_finalize,
7339 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7341 (locator_location): New.
7342 (locator_line, locator_file): Rewrite.
7343 * rtl.h (emit_line_note): Kill.
7344 (insn_locators_alloc, insn_locators_finalize,
7345 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7347 * tree-inline.c (initialize_cfun): Do not initialize
7348 ib_boundaries_block.
7349 * passes.c (pass_insn_locators_initialize): Remove.
7351 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
7353 * doc/invoke.texi: Removed leading '-' from option index entries.
7355 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
7357 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
7359 (create_phi_node): Use set_phi_nodes.
7360 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
7361 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
7362 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
7363 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
7364 (bsi_start, bsi_last): Use bb_stmt_list.
7365 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
7366 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
7367 Traverse the statements using tsi iterator.
7368 * basic-block.h (struct basic_block_def): Fields stmt_list
7369 and phi_nodes moved to ...
7370 (struct tree_bb_info): ... new structure.
7371 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
7372 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
7373 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
7374 (tree_verify_flow_info): Verify that il.tree is not set for
7375 entry and exit block.
7376 (tree_split_block): Use set_bb_stmt_list.
7378 2007-04-23 Mike Stump <mrs@apple.com>
7380 * config/i386/i386.c (ix86_tune_features
7381 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
7384 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7386 * config/i386/i386.md (prefix_extra): New attribute.
7387 (length): Add prefix_extra.
7389 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
7390 (sse2_movntv2di): Likewise.
7391 (sse2_cvtps2dq): Likewise.
7392 (sse2_cvtpd2pi): Likewise.
7393 (sse2_cvttpd2pi): Likewise.
7394 (*sse2_cvtpd2ps): Likewise.
7395 (*add<mode>3): Likewise.
7396 (sse2_ssadd<mode>3): Likewise.
7397 (sse2_usadd<mode>3): Likewise.
7398 (*sub<mode>3): Likewise.
7399 (sse2_sssub<mode>3): Likewise.
7400 (sse2_ussub<mode>3): Likewise.
7401 (*mulv8hi3): Likewise.
7402 (*smulv8hi3_highpart): Likewise.
7403 (*umulv8hi3_highpart): Likewise.
7404 (sse2_umulv2siv2di3): Likewise.
7405 (sse2_pmaddwd): Likewise.
7406 (ashr<mode>3): Likewise.
7407 (lshr<mode>3): Likewise.
7408 (ashl<mode>3): Likewise.
7409 (sse2_ashlti3): Likewise.
7410 (sse2_lshrti3): Likewise.
7411 (*umaxv16qi3): Likewise.
7412 (*smaxv8hi3): Likewise.
7413 (*uminv16qi3): Likewise.
7414 (*sminv8hi3): Likewise.
7415 (sse2_eq<mode>3): Likewise.
7416 (sse2_gt<mode>3): Likewise.
7417 (*and<mode>3): Likewise.
7418 (sse2_nand<mode>3): Likewise.
7419 (*ior<mode>3): Likewise.
7420 (*xor<mode>3): Likewise.
7421 (sse2_packsswb): Likewise.
7422 (sse2_packssdw): Likewise.
7423 (sse2_packuswb): Likewise.
7424 (sse2_punpckhbw): Likewise.
7425 (sse2_punpcklbw): Likewise.
7426 (sse2_punpckhwd): Likewise.
7427 (sse2_punpcklwd): Likewise.
7428 (sse2_punpckhdq): Likewise.
7429 (sse2_punpckldq): Likewise.
7430 (sse2_punpckhqdq): Likewise.
7431 (sse2_punpcklqdq): Likewise.
7432 (*sse2_pinsrw): Likewise.
7433 (*sse2_pextrw): Likewise.
7434 (sse2_pshufd_1): Likewise.
7435 (sse2_uavgv16qi3): Likewise.
7436 (sse2_uavgv8hi3): Likewise.
7437 (sse2_psadbw): Likewise.
7438 (sse2_pmovmskb): Likewise.
7439 (*sse2_maskmovdqu): Likewise.
7440 (*sse2_maskmovdqu_rex64): Likewise.
7441 (sse4a_extrqi): Likewise.
7442 (sse4a_extrq): Likewise.
7443 (sse3_lddqu): Set prefix_rep.
7444 (sse3_addsubv4sf3): Likewise.
7445 (sse3_haddv4sf3): Likewise.
7446 (sse3_hsubv4sf3): Likewise.
7447 (sse_cvtss2si): Likewise.
7448 (sse_cvtss2si_2): Likewise.
7449 (sse_cvtss2siq): Likewise.
7450 (sse_cvtss2siq_2): Likewise.
7451 (sse_cvttss2si): Likewise.
7452 (sse_cvttss2siq): Likewise.
7453 (sse2_cvttps2dq): Likewise.
7454 (sse3_movshdup): Likewise.
7455 (sse3_movsldup): Likewise.
7456 (sse2_cvtsd2si): Likewise.
7457 (sse2_cvtsd2si_2): Likewise.
7458 (sse2_cvtsd2siq): Likewise.
7459 (sse2_cvtsd2siq_2): Likewise.
7460 (sse2_cvttsd2si): Likewise.
7461 (sse2_cvttsd2siq): Likewise.
7462 (*sse2_cvtpd2dq): Likewise.
7463 (*sse2_cvttpd2dq): Likewise.
7464 (sse2_pshuflw_1): Likewise.
7465 (sse2_pshufhw_1): Likewise.
7466 (sse4a_insertqi): Likewise.
7467 (sse4a_insertq): Likewise.
7468 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
7469 (ssse3_phadddv4si3): Likewise.
7470 (ssse3_phaddswv8hi3): Likewise.
7471 (ssse3_phsubwv8hi3): Likewise.
7472 (ssse3_phsubdv4si3): Likewise.
7473 (ssse3_phsubswv8hi3): Likewise.
7474 (ssse3_pmaddubswv8hi3): Likewise.
7475 (ssse3_pmulhrswv8hi3): Likewise.
7476 (ssse3_pshufbv16qi3): Likewise.
7477 (ssse3_psign<mode>3): Likewise.
7478 (ssse3_palignrti): Likewise.
7479 (abs<mode>2): Likewise.
7480 (ssse3_phaddwv4hi3): Set prefix_extra.
7481 (ssse3_phadddv2si3): Likewise.
7482 (ssse3_phaddswv4hi3): Likewise.
7483 (ssse3_phsubwv4hi3): Likewise.
7484 (ssse3_phsubdv2si3): Likewise.
7485 (ssse3_phsubswv4hi3): Likewise.
7486 (ssse3_pmaddubswv4hi3): Likewise.
7487 (ssse3_pmulhrswv4hi3): Likewise.
7488 (ssse3_pshufbv8qi3): Likewise.
7489 (ssse3_psign<mode>3): Likewise.
7490 (ssse3_palignrdi): Likewise.
7491 (abs<mode>2): Likewise.
7492 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
7493 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
7494 (sse2_pmovmskb): Set mode to SI instead of V2DF.
7496 2007-04-23 Nick Clifton <nickc@redhat.com>
7498 * params.def: Fix formatting of emacs local variables.
7500 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7502 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
7503 move if inter-unit move isn't allowed.
7504 Don't split moving the first element of V2DI to DI to inter-unit
7505 move if inter-unit move isn't allowed.
7507 2007-04-23 Richard Guenther <rguenther@suse.de>
7509 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
7510 and CDI_POST_DOMINATORS separately.
7512 2007-04-23 Nick Clifton <nickc@redhat.com>
7514 * c.opt (Wformat-contains-nul): Add warning attribute.
7516 2007-04-23 Jan Hubicka <jh@suse.cz>
7518 * function.c (init_function_start): Don't init line number info.
7519 (expand_function_end): Update.
7520 (reset_block_changes, record_block_change, finalize_block_changes,
7521 check_block_change, free_block_changes): Kill.
7522 * function.h (reset_block_changes, record_block_change,
7523 finalize_block_changes, check_block_change, free_block_changes):
7525 (struct function): Remove ib_boundaries_block.
7526 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7527 Use curr_insn_locator to initialize locator.
7528 (emit_line_note): Remove.
7529 * cfgexpand.c (expand_gimple_cond_expr): Update.
7530 (construct_exit_block): Likewise.
7531 (tree_expand_cfg): Initialize/finalize locators.
7532 * expr.c (expand_expr_real): Update.
7533 * cfglayout.c (line_locators_locs, line_locators_lines,
7534 file_locators_locs, file_locators_files): Remove.
7535 (set_block_levels): Move to cfgexpand.c.
7536 (insn_locators_initialize): Remove.
7537 (pass_insn_locators_initialize): Remove.
7538 (locations_locators_locs, locations_locators_vals): New static vars.
7539 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7541 (insn_locators_alloc, insn_locators_finalize,
7542 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7544 (locator_location): New.
7545 (locator_line, locator_file): Rewrite.
7546 * rtl.h (emit_line_note): Kill.
7547 (insn_locators_alloc, insn_locators_finalize,
7548 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7550 * tree-inline.c (initialize_cfun): Do not initialize
7551 ib_boundaries_block.
7552 * passes.c (pass_insn_locators_initialize): Remove.
7554 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
7557 * expr.c (reduce_to_bit_field_precision): Handle
7560 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
7562 PR tree-optimization/24659
7563 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
7564 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
7565 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
7566 * genopinit.c (optabs): Rename vec_pack_mod_optab
7567 to vec_pack_trunc_optab.
7568 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
7569 early for scalar floating point operands for NOP_EXPR.
7570 (vectorizable_type_promotion): Ditto.
7571 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
7572 vec_pack_trunc_optab.
7573 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
7575 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
7576 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
7577 Rename from VEC_PACK_MOD_EXPR.
7578 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
7579 * expr.c (expand_expr_real_1): Ditto.
7580 * tree-inline.c (estimate_num_insns_1): Ditto.
7581 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
7583 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
7584 (vec_unpacks_lo_v4sf): Ditto.
7585 (vec_pack_trunc_v2df): Ditto.
7586 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
7587 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7588 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
7590 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
7592 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7594 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
7595 Rename from VEC_PACK_MOD_EXPR. This expression also represent
7596 packing of floating point operands.
7597 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
7598 represent unpacking of floating point operands.
7599 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
7600 [vec_unpacks_hi]: Ditto.
7601 [vec_unpacks_lo]: Ditto.
7603 2007-04-22 Jan Hubicka <jh@suse.cz>
7605 * final.c (rest_of_handle_final): Call
7606 targetm.asm_out.constructor/targetm.asm_out.destructor
7607 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
7608 proper priority via decl_*_priority_insert.
7609 * c-common.c (c_expand_body): Likewise.
7611 2007-04-22 Richard Guenther <rguenther@suse.de>
7613 PR tree-optimization/29789
7614 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
7615 (rewrite_reciprocal): New helper split out from
7616 determine_invariantness_stmt.
7617 (rewrite_bittest): Likewise.
7618 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
7619 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
7622 2007-04-22 Revital Eres <eres@il.ibm.com>
7624 * loop-unroll.c (var_to_expand): New field to support also
7625 insns of the form x = something + x.
7626 (analyze_insn_to_expand_var): Use it.
7627 (expand_var_during_unrolling): Likewise.
7629 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7631 * predict.c: Include pointer-set.h.
7632 (bb_predictions): New variable.
7633 (tree_predicted_by_p, tree_predict_edge,
7634 remove_predictions_associated_with_edge): Use bb_predictions map
7635 instead of bb->predictions.
7636 (clear_bb_predictions, assert_is_empty): New functions.
7637 (combine_predictions_for_bb): Use bb_predictions map. Call
7638 clear_bb_predictions.
7639 (tree_estimate_probability): Create and free bb_predictions map.
7640 * Makefile.in (predict.o): Add pointer-set.h dependency.
7641 * basic-block.h (struct basic_block_def): Remove predictions
7643 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
7645 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
7648 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
7651 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7653 * timevar.c (timevar_print): Change reference of --disable-checking to
7654 --enable-checking=release. Also warn if assert checking is disabled.
7656 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7659 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
7660 decl as addressable if the compound literal was marked as
7662 Mark the decl as a gimple register if it is a complex or
7663 vector decl and does not live in memory.
7665 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7667 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
7668 (GENERIC_NEXT): New function macro.
7669 (PHI_CHAIN): Use phi_node's new chain variable.
7670 (tree_phi_node): Change tree_common to tree_base
7671 and add the chain field.
7672 * tree-phinodes.c (make_phi_node): Don't set
7673 TREE_TYPE on the new node.
7674 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7675 instead of checking GIMPLE_TUPLE_P in chain_next.
7676 * tree-vect-transform.c
7677 (get_initial_def_for_induction): Look at
7678 PHI_RESULT_TREE for the type of the phi node.
7679 (update_vuses_to_preheader): Use PHI_CHAIN
7680 instead of TREE_CHAIN on the phi node.
7681 * tree-ssa-structalias.c (compute_points_to_sets):
7683 (ipa_pta_execute): Likewise.
7685 2007-04-21 Richard Guenther <rguenther@suse.de>
7688 * fold-const.c (fold_unary): Call fold_convert_const on the
7691 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7693 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7694 (store_killed_in_pat): New.
7696 2007-04-20 Richard Henderson <rth@redhat.com>
7699 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7700 TREE_LIST with a void_type_node value, not void_list_node exactly.
7702 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7704 * doc/standards.texi: Re-arrange into language-specific
7705 subsections. Add a C++ section, documenting which standards we
7708 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7710 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7711 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7713 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7715 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7716 ecrti.o and crtbegin.o.
7717 (LIB_DEFAULT_SPEC): Include -lc.
7718 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7720 2007-04-20 Richard Henderson <rth@redhat.com>
7723 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7724 argument; update all callers.
7725 (get_unaligned_offset): New.
7726 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7727 get_unaligned_address, just pass on the address directly.
7728 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7729 the subreg in the helper patterns.
7730 (unaligned_extendqidi_le): Use get_unaligned_offset.
7731 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7732 (unaligned_extendhidi_be): Likewise.
7733 (unaligned_extendhidi): Tidy.
7734 * config/alpha/alpha-protos.h: Update.
7736 2007-04-20 Richard Henderson <rth@redhat.com>
7738 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7739 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7740 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7741 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7742 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7743 (CPP_SPEC): Don't include %(cpp_subtarget).
7744 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7745 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7746 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7748 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7750 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7751 for __builtin_ia32_cmpordss.
7753 PR tree-optimization/31632
7754 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7755 and arg1 for optimizations of comparison against min/max values.
7756 Fold arg0 to arg1's type for optimizations of comparison against
7757 min+1 and max-1 values.
7759 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7761 * reload.c (combine_reloads): When trying to use a dying register,
7762 check whether it's uninitialized and don't use if so.
7764 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7766 * fold-const.c: Remove prototypes for native_encode_expr and
7767 native_interpret_expr.
7768 (native_encode_expr): Make non-static.
7769 (native_interpret_expr): Likewise.
7770 * tree.h: Add prototypes for the above.
7772 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7774 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7775 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7776 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7777 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7778 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7779 Add length attributes.
7781 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7783 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7786 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7787 __STDC_WANT_DEC_FP__.
7789 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7791 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7792 for long double compatibility.
7793 * configure: Regenerate.
7795 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7797 PR rtl-optimization/29841
7798 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7800 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7801 that may cause control flow transfer from being moved.
7803 2007-04-18 Jan Hubicka <jh@suse.cz>
7805 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7808 2007-04-18 Eric Christopher <echristo@apple.com>
7810 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7811 only. Update operands.
7812 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7813 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7814 link register to pic register.
7816 2007-04-18 Dirk Mueller <dmueller@suse.de>
7819 * tree-vrp.c (search_for_addr_array): New.
7820 (check_array_bounds): Suppress warning about
7821 address taken of array refs if its not de-referenced.
7823 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7825 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7826 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7828 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7829 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7830 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7832 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7834 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7836 (vect_analyze_scalar_cycles): Fix indentation.
7837 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7838 (vect_mark_relevant): Include phis in relevance analysis.
7840 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7842 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7844 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7845 output_operand_lossage().
7847 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7849 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7850 the unused code for reduction without adjust-in-epilog to simplify the
7853 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7855 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7856 (S390_TDC_NEGATIVE_ZERO): New constant.
7857 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7858 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7859 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7860 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7861 (S390_TDC_POSITIVE_INFINITY): New constant.
7862 (S390_TDC_NEGATIVE_INFINITY): New constant.
7863 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7864 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7865 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7866 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7867 (S390_TDC_INFINITY): New constant.
7868 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7869 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7870 optimization for UNSPEC_CCZ_TO_INT.
7871 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7872 ("*ccz_to_int"): New insn.
7873 ("isinf<mode>2"): New insn.
7874 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7875 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7876 (UNSPEC_CCZ_TO_INT): New constant.
7878 2007-04-18 Richard Guenther <rguenther@suse.de>
7880 PR tree-optimization/19431
7881 PR tree-optimization/21463
7882 * tree-pass.h (pass_phiprop): Declare.
7883 * passes.c (init_optimization_passes): New phiprop pass.
7884 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7885 (phivn_valid_p): New helper function.
7886 (phiprop_insert_phi): Likewise.
7887 (propagate_with_phi): Likewise.
7888 (tree_ssa_phiprop): New propagator propagating loads
7889 through phi nodes if profitable.
7891 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7893 * tree-vect-analyze.c (process_use): New function.
7894 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7895 Check phis in all bbs.
7896 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7899 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7901 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7904 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7907 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7910 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7912 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7914 (sse_vmmulv4sf3): Likewise.
7915 (sse2_vmaddv2df3): Likewise.
7916 (sse2_vmmulv2df3): Likewise.
7918 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7920 PR rtl-optimization/31360
7921 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7922 (target_reg_cost): New.
7923 (init_set_costs): Initialize target_reg_cost. Add comments
7924 regarding the rationale of the costs.
7925 (global_cost_for_size): Renamed to...
7926 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7927 of register pressure.
7928 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7929 estimate_reg_pressure_cost. Add number of ivs.
7930 (determine_set_costs): Dump target_reg_cost.
7931 * loop-invariant.c (gain_for_invariant): Use
7932 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7933 (best_gain_for_invariant, find_invariants_to_move): Remove
7935 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7936 (target_reg_cost): Declare.
7937 (global_cost_for_size): Declaration removed.
7938 (estimate_reg_pressure_cost): Declare.
7940 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7942 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7943 regnos into even/odd register pairs.
7944 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7945 TDmode similar to the other floating point modes.
7946 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7947 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7949 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7950 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7951 (movdd_hardfloat64): Use TARGET_MFPGPR.
7953 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7955 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7958 2005-01-05 Richard Henderson <rth@redhat.com>
7960 * reload1.c (do_input_reload): Restrict the optimization deleteing
7961 a previous output reload to RELOAD_FOR_INPUT.
7963 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7965 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7966 induc_vec_info_type.
7967 (vectorizable_induction): New function declaration.
7968 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7969 check if already vectorized. Find first place in BB where new stmts
7970 can be inserted. Takes only one argument.
7971 (vectorizable_induction): New function.
7972 (vect_transform_stmt): Add case for induc_vec_info_type to call
7973 vectorizable_induction.
7974 (vect_transform_loop): Consider phis for vectorization.
7975 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7977 (analyze_operations): Call vectorizable_induction when analyzing phis.
7979 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7980 (vect_mark_relevant): Include phis in relevance analysis.
7981 (vect_mark_stmts_to_be_vectorize): Likewise.
7982 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7984 2007-04-16 Lawrence Crowl <crowl@google.com>
7986 * doc/invoke.texi (Debugging Options): Add documentation for the
7987 -femit-struct-debug options -femit-struct-debug-baseonly,
7988 -femit-struct-debug-reduced, and
7989 -femit-struct-debug-detailed[=...].
7991 * c-opts.c (c_common_handle_option): Add
7992 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7993 and OPT_femit_struct_debug_detailed_.
7994 * c.opt: Add specifications for
7995 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
7996 and -femit-struct-debug-detailed[=...].
7997 * opts.c (set_struct_debug_option): Parse the
7998 -femit-struct-debug-... options.
7999 * opts.c (matches_main_base, main_input_basename,
8000 main_input_baselength, base_of_path, matches_main_base): Add
8001 variables and functions to compare header base name to compilation
8003 * opts.c (should_emit_struct_debug): Add to determine to emit a
8004 structure based on the option.
8005 (dump_struct_debug) Also disabled function to debug this
8007 * opts.c (handle_options): Save the base name of the
8010 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
8011 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
8012 This hook indicates if a type is generic. Set it by default
8014 * langhooks.h (struct lang_hooks_for_types): Add a new hook
8015 to determine if a struct type is generic or not.
8016 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
8017 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
8018 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
8021 * flags.h (enum debug_info_usage): Add an enumeration to describe
8022 a program's use of a structure type.
8023 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
8024 to indicate the program's usage of the type. Filter structs based
8025 on the -femit-struct-debug-... specification.
8026 (gen_type_die): Split into two routines, gen_type_die and
8027 gen_type_die_with_usage. gen_type_die is now a wrapper
8028 that assumes direct usage.
8029 (gen_type_die_with_usage): Replace calls to gen_type_die
8030 with gen_type_die_with_usage adding the program usage of
8031 the referenced type.
8032 (dwarf2out_imported_module_or_decl): Suppress struct debug
8033 information using should_emit_struct_debug when appropriate.
8035 2007-04-16 Ian Lance Taylor <iant@google.com>
8037 PR tree-optimization/31522
8038 * tree-vrp.c (vr_phi_edge_counts): New static variable.
8039 (vrp_initialize): Allocate vr_phi_edge_counts.
8040 (vrp_visit_phi_node): Don't push to infinity if we saw a new
8041 executable edge. Drop test for all constants.
8042 (vrp_finalize): Free vrp_phi_edge_counts.
8044 * doc/cpp.texi (Common Predefined Macros): Clarify description of
8045 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
8047 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
8048 predecessors at head rather than tail.
8050 2007-04-16 Matthias Klose <doko@debian.org>
8052 * config/alpha/linux.h (CPP_SPEC): Define.
8053 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
8055 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
8057 * function.h: Remove sequence_stack extern declaration.
8059 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8061 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
8063 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
8066 2007-04-16 Anatoly Sokolov <aesok@post.ru>
8068 * config/avr/avr.c (avr_arch_types): Rearranging array.
8069 (enum avr_arch): Add.
8070 (avr_mcu_types): Use avr_arch enumeration constants instead of
8072 * config/avr/avr.h (LINK_SPEC): Simplify.
8074 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8076 * config/m68k/m68k.c (m68k_libcall_value,
8077 m68k_function_value): Use macros for register names more.
8079 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
8081 (M68K_REGNAME): Use A6_REG.
8082 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
8084 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8087 * sched-int.h (struct deps): Split field 'pending_lists_length' into
8088 'pending_read_list_length' and 'pending_write_list_length'. Update
8090 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
8091 to handle two length counters instead of one. Update all uses.
8092 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
8093 two length counters instead of one.
8094 * sched-rgn.c (propagate_deps): Update to handle two length counters
8097 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
8100 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
8101 copy of source, pass it to ix86_expand_vector_set and return
8104 2007-04-16 David Ung <davidu@mips.com>
8105 Joseph Myers <joseph@codesourcery.com>
8107 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
8108 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
8109 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
8110 Add 74K processor information.
8111 * config/mips/mips.md: Include 74k.md.
8112 (cpu): Add 74kc,74kf,74kx.
8113 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
8114 * config/mips/74k.md: New.
8115 * doc/invoke.texi (MIPS Options): Document 74K support.
8117 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
8119 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
8120 vectorizable_* functions.
8121 * tree-vect-transform.c (vectorizable_call): Add check for
8122 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
8123 (vectorizable_store): likewise.
8124 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
8126 (vectorizable_operation, vectorizable_type_demotion): Likewise.
8127 (vectorizable_type_promotion, vectorizable_load): Likewise.
8128 (vectorizable_live_operation, vectorizable_condition): Likewise.
8129 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
8131 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
8133 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8135 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
8136 register numbers more.
8137 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
8138 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
8139 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
8140 FUNCTION_VALUE_REGNO_P): Likewise.
8141 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
8142 STATIC_CHAIN_REGNUM): Likewise.
8143 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
8144 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
8145 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
8146 * config/m68k/m68k.md (FP_REG): New.
8148 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8150 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
8153 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8155 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
8156 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
8159 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8161 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
8164 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
8167 * c-decl.c (finish_decl): Grab the type of the decl after the call
8168 to store_init_value.
8170 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
8172 * common.opt (fforward-propagate): Fix "Optimization" annotation.
8174 2007-04-14 Jakub Jelinek <jakub@redhat.com>
8177 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
8178 dominators, post dominators and cleanup cfg before returning.
8180 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
8182 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
8183 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
8185 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
8187 * config.gcc: Recognize fido.
8188 * config/m68k/m68k-devices.def (fidoa): New.
8189 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
8191 (FL_FIDOA, TARGET_FIDOA): New.
8192 * config/m68k/m68k.opt (mfidoa): New.
8194 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8197 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
8198 when a personality function is used.
8200 2007-04-13 Bob Wilson <bob.wilson@acm.org>
8202 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
8204 2007-04-13 Mike Stump <mrs@apple.com>
8206 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
8208 * config/darwin.opt (fapple-kext): Make C++ only.
8209 * config/darwin.c (darwin_override_options): Remove code to ensure
8210 -fapple-kext is given for C++ only.
8212 2007-04-13 Richard Sandiford <richard@codesourcery.com>
8214 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
8215 * config/mips/mips.c (override_options): Call
8216 SUBTARGET_OVERRIDE_OPTIONS, if defined.
8218 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
8220 * config/i386/i386.opt (msvr3-shlib): Removed.
8222 * doc/invoke.texi: Remove -msvr3-shlib.
8224 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
8226 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
8227 with "popcnt" instruction.
8229 2007-04-13 Richard Guenther <rguenther@suse.de>
8231 PR tree-optimization/21258
8232 * tree-vrp.c (compare_case_labels): New helper.
8233 (find_switch_asserts): New function.
8234 (find_assert_locations): Call it for SWITCH_EXPRs.
8236 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
8238 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
8239 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
8240 check is now implied in X87_FLOAT_MODE_P.
8241 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8242 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8243 (fix_trunc<mode>_i386_fisttp): Ditto.
8244 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8245 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8246 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8247 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8248 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8249 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8250 (unnamed_splitters): Ditto.
8251 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
8252 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
8253 FIRST_SSE_REG for local functions when SSE math is enabled or
8254 for functions with sseregparm attribute.
8255 (standard_80387_constant_p): Return -1 if mode is not
8257 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
8258 (ix86_expand_compare): Ditto.
8259 (ix86_expand_carry_flag_compare): Ditto.
8260 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
8261 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
8262 DECIMAL_FLOAT_MODE_P.
8263 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
8264 of SCALAR_FLOAT_MODE_P.
8265 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
8266 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
8267 checks before FLOAT_MODE_P.
8268 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
8269 before FLOAT_MODE_P.
8274 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
8276 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
8277 Charles Wilson <libtool@cwilson.fastmail.fm>
8279 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
8280 (libgcc.mvars): Don't depend on them.
8281 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
8282 * exec-tool.in: New.
8284 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
8286 * doc/invoke.text (--help): Document --help=common.
8288 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
8290 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
8292 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8294 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
8295 * genemit.c (main): Emit #include "integrate.h".
8296 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
8297 (LOADGP_RTP): New mips_loadgp_style.
8298 * config/mips/mips.h: Include config/vxworks-dummy.h.
8299 (TARGET_RTP_PIC): New macro.
8300 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
8301 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
8302 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
8304 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
8305 -mvxworks-pic when using -mrtp and a PIC option.
8306 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
8308 (mips_symbolic_constant_p, mips_symbolic_address_p)
8309 (mips_symbol_insns): Handle SYMBOL_HALF.
8310 (override_options): Warn about -G and -mrtp being used together.
8311 Initialize mips_lo_relocs[SYMBOL_HALF].
8312 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
8313 (mips_emit_loadgp): Handle LOADGP_RTP.
8314 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
8315 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
8316 (tablejump): Handle function-relative case table entries if
8318 * config/mips/predicates.md (symbol_ref_operand): New predicate.
8320 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8322 * config/mips/mips.md (load_call<mode>): Allow any general register.
8324 (sibcall_value_internal, sibcall_value_multiple_internal)
8325 (call_value_internal, call_value_split, call_value_multiple_internal)
8326 (call_value_multiple_split): Remove constraints from operand 0.
8328 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8330 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
8331 rather than loadgp_noshared.
8332 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
8333 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
8335 * config/mips/mips.md (loadgp): Rename to...
8336 (loadgp_newabi): ...this.
8337 (loadgp_noshared): Rename to...
8338 (loadgp_absolute): ...this.
8340 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8342 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
8343 false for locally-binding symbols.
8344 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
8346 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8348 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
8349 (SYMBOL_GOT_PAGE_OFST): ...this.
8350 (SYMBOL_GOT_GLOBAL): Rename to...
8351 (SYMBOL_GOT_DISP): ...this.
8352 (SYMBOL_GOTOFF_GLOBAL): Rename to...
8353 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
8354 * config/mips/mips.c (mips_global_symbol_p): New function.
8355 (mips_symbol_binds_local_p): Likewise.
8356 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
8357 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
8358 mips_global_symbol_p and mips_symbol_binds_local_p.
8359 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
8360 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
8361 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
8363 (mips_ok_for_lazy_binding_p): New function.
8364 (mips_load_call_address, mips_expand_call): Use it.
8365 (mips_dangerous_for_la25_p): Likewise.
8366 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
8367 (*got_disp<mode>): Use got_disp_operand instead of
8368 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
8369 SYMBOL_GOTOFF_GLOBAL.
8370 (*got_page<mode>): Use got_page_ofst_operand instead of
8372 * config/mips/predicates.md (const_call_insn_operand): Use
8373 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
8374 (global_got_operand): Rename to...
8375 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
8377 (local_got_operand): Rename to...
8378 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
8379 of SYMBOL_GOT_LOCAL.
8381 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8383 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
8384 TARGET_CALL_CLOBBERED_GP.
8385 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8386 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
8387 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
8388 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
8389 of TARGET_ABICALLS && !TARGET_NEWABI.
8390 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8391 * config/mips/mips.c (mips_load_call_address): Check
8392 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8393 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8394 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8395 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
8396 TARGET_ABICALLS && TARGET_NEWABI.
8397 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
8399 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
8400 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
8401 TARGET_ABICALLS && TARGET_NEWABI.
8402 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
8403 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
8404 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
8405 whether indirect calls must use $25.
8406 (mips_extra_live_on_entry): Check TARGET_GOT instead of
8408 * config/mips/mips.md (jal_macro): Check flag_pic and
8409 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
8410 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
8411 instead of TARGET_ABICALLS.
8412 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
8413 TARGET_ABICALLS && TARGET_OLDABI.
8414 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8415 (sibcall): In the comment above the define_insn, mention
8416 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
8417 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
8418 instead of TARGET_ABICALLS.
8420 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
8422 * doc/md.texi (Blackfin family constraints): Document PA and PB.
8423 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
8424 (MACFLAGS_MATCH_P): New macro.
8425 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
8426 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
8427 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
8428 the other MACFLAG constants.
8429 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
8430 (flag_machi): Tighten constraints. Renumber some of the operands.
8431 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
8433 (flag_machi_parts_acconly): New pattern.
8434 (flag_macinithi): Tighten constraints. Allow any accumulator to be
8436 (flag_macinit1hi): Tighten constraints.
8437 (flag_mul_macv2hi_parts_acconly): New pattern.
8439 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
8440 Use a more efficient implementation.
8441 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
8442 inline sequences when not optimizing for size.
8444 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
8445 movhi_high2low): Delete, merge functionality into...
8446 (packv2hi): ... this pattern.
8448 2007-02-11 Jie Zhang <jie.zhang@analog.com>
8449 * config/bfin/bfin.opt (msim): New option.
8450 (mcpu=): New option.
8451 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
8452 (bfin_cpu_t): Typedef of enum bfin_cpu.
8453 (bfin_cpu_type): New declaration.
8454 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
8455 -msim and -mcpu= options.
8456 (LIB_SPEC): Likewise.
8457 * config/bfin/bfin.c (bfin_cpu_type): Define.
8458 (bfin_handle_option): Handle -mcpu= option.
8459 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
8460 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
8461 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
8463 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8465 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
8466 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
8467 (powerpc-wrs-vxworksae): Use ${tm_file}.
8468 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
8469 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
8470 * config/i386/vx-common.h: New file.
8472 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8474 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
8477 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
8479 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
8482 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
8486 * c-common.c (c_build_qualified_type): Set canonical type
8489 2007-04-12 Richard Guenther <rguenther@suse.de>
8491 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
8492 lower bound and element size if lower bound is not zero
8493 or either of the ARRAY_REF operands is set.
8495 2007-04-12 Richard Guenther <rguenther@suse.de>
8497 PR tree-optimization/24689
8498 PR tree-optimization/31307
8499 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
8501 * gimplify.c (canonicalize_addr_expr): To be consistent with
8502 gimplify_compound_lval only set operands two and three of
8503 ARRAY_REFs if they are not gimple_min_invariant. This makes
8504 it never at this place.
8505 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8507 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8509 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
8510 null before emitting a .nsubspa directive.
8512 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8514 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
8515 need_to_partition_p if there are no memory statements in the
8518 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8520 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
8521 (gcd_of_steps_may_divide_p): New function.
8522 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
8524 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8526 * reload.c (find_reloads_toplev, find_reloads_address,
8527 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
8528 not a pointer equality test, to decide if we need to call
8529 push_reg_equiv_alt_mem.
8531 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
8533 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
8534 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
8536 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
8538 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8540 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
8541 vector to be positive.
8543 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8547 * doc/invoke.texi: Document --params max-aliased-vops and
8549 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
8550 debug_memory_partitions): Move to tree-flow.h
8551 * params.h (AVG_ALIASED_VOPS): Define.
8552 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
8554 (mp_info_t): Likewise.
8555 (get_mem_sym_stats_for): New.
8556 (set_memory_partition): Move from tree-flow-inline.h.
8557 (mark_non_addressable): Only clear the set of symbols for the
8558 partition if it exists.
8559 (dump_memory_partitions): Move from tree-ssa-operands.c
8560 (debug_memory_partitions): Likewise.
8561 (need_to_partition_p): New.
8562 (dump_mem_ref_stats): New.
8563 (debug_mem_ref_stats): New.
8564 (dump_mem_sym_stats): New.
8565 (debug_mem_sym_stats): New.
8566 (update_mem_sym_stats_from_stmt): New.
8567 (compare_mp_info_entries): New.
8568 (mp_info_cmp): Call it.
8569 (sort_mp_info): Change argument to a list of mem_sym_stats_t
8571 (get_mpt_for): Move from tree-ssa-operands.c.
8572 (find_partition_for): New.
8573 (create_partition_for): Remove.
8574 (estimate_vop_reduction): New.
8575 (update_reference_counts): New.
8576 (build_mp_info): New.
8577 (compute_memory_partitions): Refactor.
8578 Document new heuristic.
8579 Call build_mp_info, update_reference_counts,
8580 find_partition_for and estimate_vop_reduction.
8581 (compute_may_aliases): Populate virtual operands before
8582 calling debugging dumps.
8583 (delete_mem_sym_stats): New.
8584 (delete_mem_ref_stats): New.
8585 (init_mem_ref_stats): New.
8586 (init_alias_info): Call it.
8587 (maybe_create_global_var): Remove alias_info argument.
8588 Get number of call sites and number of pure/const call sites
8589 from gimple_mem_ref_stats().
8590 (dump_alias_info): Call dump_memory_partitions first.
8591 (dump_points_to_info_for): Show how many times a pointer has
8593 * opts.c (decode_options): For -O2 set --param
8594 max-aliased-vops to 500.
8595 For -O3 set --param max-aliased-vops to 1000 and --param
8596 avg-aliased-vops to 3.
8597 * fortran/options.c (gfc_init_options): Remove assignment to
8599 * tree-flow-inline.h (gimple_mem_ref_stats): New.
8600 * tree-dfa.c (dump_variable): Dump memory reference
8602 Dump NO_ALIAS* settings.
8603 (referenced_var_lookup): Tidy.
8604 (mem_sym_stats): New.
8605 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
8606 and ORIG are different SSA names for a memory partition.
8607 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
8608 * tree-flow.h (struct mem_sym_stats_d): Define.
8609 (mem_sym_stats_t): Define.
8610 (struct mem_ref_stats_d): Define.
8611 (struct gimple_df): Add field mem_ref_stats.
8612 (enum noalias_state): Define.
8613 (struct var_ann_d): Add bitfield noalias_state.
8614 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
8615 debug_mem_ref_stats, debug_memory_partitions,
8616 debug_mem_sym_stats): Declare.
8617 * tree-ssa-structalias.c (update_alias_info): Update call
8618 sites, pure/const call sites and asm sites in structure
8619 returned by gimple_mem_ref_stats.
8620 Remove local variable IS_POTENTIAL_DEREF.
8621 Increase NUM_DEREFS if the memory expression is a potential
8623 Call update_mem_sym_stats_from_stmt.
8624 If the memory references memory, call
8625 update_mem_sym_stats_from_stmt for all the direct memory
8626 symbol references found.
8627 (intra_create_variable_infos): Set noalias_state field for
8628 pointer arguments according to the value of
8629 flag_argument_noalias.
8630 * tree-ssa-structalias.h (struct alias_info): Remove fields
8631 num_calls_found and num_pure_const_calls_found.
8632 (update_mem_sym_stats_from_stmt): Declare.
8633 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
8634 Set default value to 100.
8635 (PARAM_AVG_ALIASED_VOPS): Define.
8637 2007-04-11 Richard Guenther <rguenther@suse.de>
8640 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
8641 a * -b + c as c - a * b if we honor sign dependent rounding.
8643 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8645 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
8647 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
8648 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
8650 (initialize_trampoline): Don't use old-style function definition.
8651 (bfin_secondary_reload): Mark IN_P argument as unused.
8653 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
8655 PR tree-optimization/31343
8656 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
8657 (build_polynomial_chrec): Return a scalar when the evolution is zero.
8658 * testsuite/gcc.dg/vect/pr31343.c: New.
8660 2007-04-10 Eric Christopher <echristo@apple.com>
8662 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
8663 * config/i386/i386.md (*cmpfp0): Use.
8664 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8665 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8666 (fix_trunc<mode>_i386_fisttp): Ditto.
8667 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8668 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8669 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8670 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8671 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8672 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8673 (unnamed_splitters): Ditto.
8674 * config/i386/i386.c (output_fix_trunc): Assert that
8675 we're not being passed a TFmode operand.
8677 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8679 PR tree-optimization/31526
8680 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8681 n_basic_blocks to find newly added blocks.
8683 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8685 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8687 (fix_trunc<mode>si_sse): Ditto.
8688 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8689 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8690 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8691 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8692 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8693 expander using SSEMODEF mode macro.
8694 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8695 expander using SSEMODEF mode macro.
8696 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8697 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8698 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8699 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8700 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8701 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8702 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8703 Macroize insn using X87MODEF mode macro.
8705 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8707 * config/i386/sse.md (sse2_pinsrw): Removed.
8708 (sse2_pextrw): Renamed to ...
8709 (*sse2_pextrw): This.
8711 2007-04-09 Jan Hubicka <jh@suse.cz>
8714 * config/i386/sse.md
8715 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8716 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8717 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8718 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8720 2007-04-09 Jan Hubicka <jh@suse.cz>
8722 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8723 multiple fields of union.
8725 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8727 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8728 (create_preheaders): Check that loops are available.
8729 (fix_loop_structure): Clean up, improve comments.
8730 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8731 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8733 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8734 * predict.c (tree_estimate_probability): Do not call
8735 calculate_dominance_info. Call create_preheaders.
8736 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8737 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8739 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8740 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8741 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8742 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8745 2007-04-08 Jan Hubicka <jh@suse.cz>
8747 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8748 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8749 * fold-const.c (fold_unary): Use it.
8751 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8753 * varasm.c (assemble_variable): Remove call to
8754 lang_hooks.decls.prepare_assemble_variable.
8755 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8756 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8757 * langhooks.h (lang_hooks_for_decls): Remove
8758 prepare_assemble_variable.
8760 2007-04-08 Mike Stump <mrs@apple.com>
8762 * config/i386/i386.c: Use inc/dec on Core2.
8764 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8766 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
8767 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8768 lhd_tree_inlining_end_inlining): Remove.
8769 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8770 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8772 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8773 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8774 lhd_tree_inlining_end_inlining): Remove prototypes.
8775 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8776 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8777 LANG_HOOKS_TREE_INLINING_START_INLINING,
8778 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8780 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8783 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8786 * config/avr/predicates.md (io_address_operand): Delete predicate.
8787 (low_io_address_operand): Don't use 'mode' argument.
8788 (higth_io_address_operand): Rename ...
8789 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8790 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8793 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8795 Revert change removing staticp.
8797 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8800 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8803 2007-04-07 Bruce Korb <bkorb@gnu.org>
8805 * c.opt: Add -Wformat-contains-nul.
8806 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8808 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8809 the NUL byte warning.
8811 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8813 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8815 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8817 * tree.c (staticp): No longer use staticp langhook.
8818 * langhooks.c (lhd_staticp): Removed.
8819 * langhooks.h (struct lang_hooks): Remove staticp.
8820 * c-common.c (c_staticp): Remove.
8821 * c-common.h (c_staticp): Ditto.
8822 * langhooks-defs.h (lhd_staticp): Ditto.
8823 (LHD_HOOKS_STATICP): Ditto
8824 * tree.h (gcc_assert_lowered): New macro.
8826 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8828 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8829 argument "reliable".
8830 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8831 Add argument "reliable". Propagate it through calls.
8832 (infer_loop_bounds_from_undefined): Derive number of iterations
8833 estimates from references in blocks that do not dominate loop latch.
8834 (gcov_type_to_double_int): New function.
8835 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8836 and expected_loop_iterations_unbounded.
8837 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8838 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8839 * tree-data-ref.c (estimated_loop_iterations): Export.
8840 (get_references_in_stmt): Fix -- do not return addresses of local
8842 * cfgloop.h (expected_loop_iterations_unbounded,
8843 estimated_loop_iterations): Declare.
8845 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8847 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8849 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8851 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8852 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8853 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8854 Use output_387_reg_move().
8855 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8856 expander using X87MODEF12 mode macro.
8857 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8858 choosing register preferences. Use output_387_reg_move().
8859 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8860 instead of "x". Use output_387_reg_move().
8861 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8862 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8863 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8864 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8865 Use output_387_reg_move().
8866 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8868 (*truncxf?f_i387 splitter): Ditto.
8870 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8872 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8873 LANG_HOOKS_SAFE_FROM_P.
8874 * expr.c (safe_from_p): Remove langhook call.
8875 * langhooks.h (lang_hooks): Remove safe_from_p.
8876 (lhd_safe_from_p): Remove prototype.
8877 * langhooks.c (lhd_safe_from_p): Remove.
8879 2007-04-06 Jan Hubicka <jh@suse.cz>
8881 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8884 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8886 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8887 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8888 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8889 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8891 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8892 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8894 2007-04-05 Richard Henderson <rth@redhat.com>
8896 * config/alpha/alpha.c (print_operand) [+]: Remove.
8897 (alpha_end_function): Print nop if call at end of function.
8898 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8899 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8900 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8901 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8902 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8903 the call pattern. Update peepholes to match.
8905 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8907 * doc/extend.texi (Other Builtins): Add decimal float variants
8909 * builtins.def: Ditto.
8910 * builtins.c (expand_builtin): Ditto.
8912 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8913 H.J. Lu <hongjiu.lu@intel.com>
8916 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8917 of V8HImode when calling ix86_binary_operator_ok.
8918 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8919 (sdot_prodv8hi): Operands 1 and 2 must be register.
8921 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8923 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8924 initialize align to silence bogus warning.
8926 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8929 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8931 (struct sra_walk_fns): Remove use_all parameter from use.
8932 (sra_hash_tree): Handle BIT_FIELD_REFs.
8933 (sra_elt_hash): Don't hash bitfld blocks.
8934 (sra_elt_eq): Skip them in parent compares as well. Handle
8936 (sra_walk_expr): Don't maintain or pass down use_all_p.
8937 (scan_use): Remove use_all parameter.
8938 (scalarize_use): Likewise. Re-expand assignment to
8939 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8940 output, and re-scalarize after output. Don't mark anything
8942 (scalarize_ldst): Adjust.
8943 (scalarize_walk_gimple_modify_statement): Likewise.
8944 (build_element_name_1): Handle BIT_FIELD_REFs.
8945 (instantiate_element): Don't warn for any element whose parent
8947 (instantiate_missing_elements_1): Return the sra_elt.
8948 (canon_type_for_field): New.
8949 (try_instantiate_multiple_fields): New.
8950 (instantiate_missing_elemnts): Use them.
8951 (mark_no_warning): Removed.
8952 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8953 (REPLDUP, sra_build_elt_assignment): New.
8954 (generate_copy_inout): Use them.
8955 (generate_element_copy): Likewise. Handle bitfld differences.
8956 (generate_element_zero): Don't recurse for blocks. Use
8957 sra_build_elt_assignment.
8958 (generate_one_element_int): Take elt instead of var. Use
8959 sra_build_elt_assignment.
8960 (generate_element_init_1): Adjust.
8961 (scalarize_use, scalarize_copy): Use REPLDUP.
8962 (scalarize_ldst): Move assert before dereference.
8963 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8965 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8967 * regmove.c: Fix unused variable warnings due to previous commit.
8969 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8971 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8972 (regmove_bb_head): Remove.
8973 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8974 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8975 problems with fixup_match_1.
8976 Don't initialize/free regmove_bb_head.
8978 (reg_is_remote_constant_p): If an insn is in the same basic block
8979 but not before INSN, consider it remote, too.
8981 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8984 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8985 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8987 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8989 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8990 (CONDITIONAL_REGISTER_USAGE): Likewise.
8992 2007-04-04 Richard Henderson <rth@redhat.com>
8994 * config/alpha/lib1funcs.asm: Remove unused file.
8996 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
8999 * opts.c (print_specific_help): Fix --help=<language>
9001 (common_handle_option): Support --help=common.
9003 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9006 * gcc.c (main): Do not run the linker if
9007 print_subprocess_help indicates that it shouldn't be
9010 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9013 * doc/invoke.texi (--help=): Document <languages> value, fix
9014 formatting in tables of values.
9016 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
9018 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
9019 dllimport attribute of virtual methods.
9021 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
9023 * config/score/crti.asm: Change _bss_start to __bss_start.
9024 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
9025 (OUTGOING_REG_PARM_STACK_SPACE) update.
9026 * config/score/score.opt: add options to make backend support
9027 score5, score5u, score7 and score7d.
9028 * config/score/score.md: Likewise.
9029 * config/score/misc.md: Likewise.
9030 * config/score/mac.md: Likewise.
9031 * doc/invoke.texi: Likewise.
9032 * doc/md.texi: update constraints define.
9034 2007-04-03 Richard Henderson <rth@redhat.com>
9036 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
9037 an appropriate type, use the mode instead.
9039 2007-04-03 Richard Sandiford <richard@codesourcery.com>
9041 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
9042 Set the default --with-arch setting to mips2.
9043 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
9044 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
9045 (MULTILIB_OSDIRNAMES): Delete.
9046 (MULTILIB_DIRNAMES): Define.
9047 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
9048 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
9049 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
9050 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
9051 VXWORKS_OS_CPP_BUILTINS.
9052 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
9053 (MIPS_DEBUGGING_INFO): Undefine.
9054 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
9056 2007-04-03 Jakub Jelinek <jakub@redhat.com>
9059 * fold-const.c (native_encode_real): Encode real.c provided longs
9060 as a series of 32-bit native integers.
9061 (native_interpret_real): Interpret buffer as a series of 32-bit
9064 2007-04-03 Richard Guenther <rguenther@suse.de>
9066 * genpreds.c (write_insn_constraint_len): Write function
9067 optimized for CONSTRAINT_LEN implementation.
9068 (write_tm_preds_h): Output insn_constraint_len inline and
9069 use it for CONSTRAINT_LEN.
9070 (write_insn_preds_c): Don't output insn_constraint_len.
9071 * doc/md.texi (define_register_constraint): Document multi-letter
9072 constraints shall have the same length if they start with the same
9075 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9078 * config/i386/i386.md (isinf<mode>2): Expand only when
9079 TARGET_C99_FUNCTIONS is set.
9081 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9083 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
9084 (x86_64-*-linux*): Ditto.
9085 * config/i386/i386.opt (mpc): New option.
9086 * config/i386/i386.c (overrride_options): Handle
9087 ix87_precision_string.
9088 * config/i386/crtprec.c: New file.
9089 * config/i386/t-crtpc: Ditto.
9090 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
9092 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
9093 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9094 crtprec32.o, crtprec64.o and crtprec80.o.
9096 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
9098 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
9100 2007-04-02 Eric Christopher <echristo@apple.com>
9102 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
9103 limitations on darwin.
9105 2007-04-02 Anatoly Sokolov <aesok@post.ru>
9108 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
9110 2007-04-02 Dave Korn <dave.korn@artimi.com>
9112 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
9114 2007-04-02 Dave Korn <dave.korn@artimi.com>
9116 * libgcc2.h (exception_descriptor): Don't forward-declare.
9117 (__get_eh_table_language, __get_eh_table_version): Delete
9118 prototypes of long-dead functions.
9120 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
9122 * ebitmap.h: New file
9123 * ebitmap.c: New file
9124 * Makefile.in (ebitmap.o): New target.
9126 2007-04-01 Jan Hubicka <jh@suse.cz>
9128 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
9129 before very first instruction.
9131 2007-04-01 Jan Hubicka <jh@suse.cz>
9133 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
9134 waring on 64bit hosts.
9135 * bitmap.h: Fix typo in bitmap_head_def.
9137 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
9139 PR rtl-optimization/31391
9140 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
9141 into a DELETED_LABEL note, and the label is in an empty basic
9142 block, update BB_END as well as BB_HEAD.
9144 2007-04-01 Richard Henderson <rth@redhat.com>
9146 PR tree-optimization/31169
9147 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
9148 to varying if the range is outside [0, prec-1].
9150 2007-04-01 Richard Sandiford <richard@codesourcery.com>
9153 * config/mips/mips.md (load_const_gp): New insn.
9154 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
9155 the MIPS16 GP pseudo register if no_new_pseudos.
9156 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
9158 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
9161 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
9163 (call_value): Likewise.
9165 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
9166 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9169 * doc/invoke.texi: (optimization options): Reword description
9170 of -ffast-math. Document its primary purpose.
9172 2007-03-31 Richard Guenther <rguenther@suse.de>
9174 * omp-low.c (splay-tree.h): Include.
9175 (lookup_decl): Replace splay-tree usage by pointer-map.
9176 (maybe_lookup_decl): Likewise.
9177 (new_omp_context): Likewise.
9178 (delete_omp_context): Likewise.
9179 * gimplify.c (splay-tree.h): Include.
9180 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
9182 (remap_ssa_name): Likewise.
9183 (remap_decl): Likewise.
9184 (remap_type_1): Likewise.
9185 (remap_type): Likewise.
9186 (copy_body_r): Likewise.
9187 (expand_call_inline): Likewise.
9188 (clone_body): Likewise.
9189 (copy_tree_r): Likewise.
9190 (remap_save_expr): Likewise.
9191 (unsave_r): Likewise.
9192 (unsave_expr_now): Likewise.
9193 (tree_function_versioning): Likewise.
9194 (build_duplicate_type): Likewise.
9195 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
9196 (struct copy_body_data): Replace splay-tree by pointer-map.
9197 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
9198 not $(SPLAY_TREE_H).
9199 (gimplify.o): Depend on $(SPLAY_TREE_H).
9200 (omp-low.p): Likewise.
9202 2007-03-31 Anatoly Sokolov <aesok@post.ru>
9204 * config/avr/predicates.md (even_register_operand,
9205 odd_register_operand): New predicates.
9206 * config/avr/avr.md (movw peephole2): New.
9207 (movw_r peephole2): New.
9209 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
9211 * tree.h (get_signed_or_unsigned_type): New.
9212 * fold-const.c (operand_equal_for_comparison_p): Use
9213 get_signed_or_unsigned_type instead of
9214 lang_hooks.types.signed_or_unsigned_type.
9215 * expr.c (store_expr): Ditto.
9216 * langhooks.c (get_signed_or_unsigned_type): New.
9217 (lhd_signed_or_unsigned_type): New.
9218 * langhooks.h (lhd_signed_or_unsigned_type): New.
9219 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
9221 2007-03-30 Richard Henderson <rth@redhat.com>
9223 * tree-ssa-loop-ivopts.c: Include target.h.
9224 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
9225 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
9226 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
9227 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
9229 2007-03-30 Richard Henderson <rth@redhat.com>
9230 Kai Tietz <kai.tietz@onevision.com>
9232 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
9234 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
9235 (TARGET_64BIT_MS_ABI): New.
9236 (DBX_REGISTER_NUMBER): Handle 64-bit.
9237 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
9238 (LONG_TYPE_SIZE): Force to 32.
9239 (REG_PARM_STACK_SPACE): New.
9240 (OUTGOING_REG_PARM_STACK_SPACE): New.
9241 (REGPARM_MAX, SSE_REGPARM_MAX): New.
9242 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
9243 (STACK_BOUNDARY): Use 128 for 64-bit.
9244 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
9245 Add 64-bit implementation.
9246 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
9248 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
9249 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
9250 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
9251 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
9252 (ix86_handle_cconv_attribute): Don't warn when ignoring if
9253 TARGET_64BIT_MS_ABI.
9254 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
9255 (ix86_pass_by_reference): Likewise.
9256 (ix86_function_value_regno_p): Likewise.
9257 (ix86_build_builtin_va_list): Likewise.
9258 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9259 (function_arg_advance_ms_64): New.
9260 (function_arg_advance): Call it.
9261 (function_arg_ms_64): New.
9262 (function_arg): Call it.
9263 (function_value_ms_64): New.
9264 (ix86_function_value_1): Call it.
9265 (return_in_memory_ms_64): New.
9266 (ix86_return_in_memory): Call it.
9267 (setup_incoming_varargs_ms_64): New.
9268 (ix86_setup_incoming_varargs): Call it.
9269 (ix86_expand_prologue): Handle 64-bit stack probing.
9270 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
9271 (output_pic_addr_const): Likewise.
9272 (x86_this_parameter): Likewise.
9273 (x86_output_mi_thunk): Likewise.
9274 (x86_function_profiler): Likewise.
9275 (TARGET_STRICT_ARGUMENT_NAMING): New.
9276 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
9277 (TARGET_64BIT_MS_ABI): New.
9278 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
9279 * config/i386/i386.md (allocate_stack_worker): Remove.
9280 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
9281 describe the clobber of eax without a match_scratch.
9282 (allocate_stack_worker_postreload): Remove.
9283 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
9284 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
9285 (allocate_stack_worker_rex64_postreload): Remove.
9286 (allocate_stack): Handle 64-bit.
9287 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
9288 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
9289 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
9290 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
9291 (STANDARD_STARTFILE_PREFIX_1): Likewise.
9292 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
9293 * config.build (x86_64-*-mingw*): New host.
9294 * config.host (x86_64-*-mingw*): New host.
9295 * config.gcc (x86_64-*-mingw*): New target.
9296 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
9298 2007-03-30 Richard Henderson <rth@redhat.com>
9299 Kai Tietz <kai.tietz@onevision.com>
9301 * c-pragma.c (struct def_pragma_macro_value): New.
9302 (struct def_pragma_macro): New.
9303 (pushed_macro_table): New.
9304 (dpm_hash, dpm_eq): New.
9305 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
9306 (init_pragma): Install them.
9307 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
9309 2007-03-30 Anatoly Sokolov <aesok@post.ru>
9311 * config/avr/avr.c (avr_override_options): Clear
9312 'flag_delete_null_pointer_checks'.
9314 2007-03-30 Paolo Carlini <pcarlini@suse.de>
9317 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
9318 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
9319 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
9320 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
9321 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
9322 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
9323 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
9325 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
9327 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
9329 * regmove.c: Move all of pass_stack_adjustments from here...
9330 * combine-stack-adj.c: ...to this new file.
9331 * Makefile.in: Add rules for combine-stack-adj.o.
9333 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
9335 PR tree-optimization/31383
9336 * tree-data-ref.c (affine_function_equal_p): Do not require the
9337 vectors to have the same length.
9339 2007-03-30 Jan Hubicka <jh@suse.cz>
9342 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
9343 availablility; add more sanity checking; ask varpool only about
9346 2007-03-29 Richard Henderson <rth@redhat.com>
9348 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
9349 to decide, but __SIZEOF_LONG_LONG__.
9351 2007-03-29 Richard Henderson <rth@redhat.com>
9353 * emutls.c (struct __emutls_array): New.
9354 (emutls_destroy): Use it instead of casting element 0 from void*.
9355 (__emutls_get_address): Likewise.
9357 2007-03-29 Richard Henderson <rth@redhat.com>
9359 * varasm.c (initializer_constant_valid_p): Don't deny
9360 DECL_DLLIMPORT_P on functions.
9362 * config/i386/cygming.h: Remove function declarations.
9363 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
9364 (ASM_OUTPUT_LABELREF): Remove.
9365 (COMMON_ASM_OP): Remove.
9366 (ASM_OUTPUT_COMMON): Remove.
9367 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
9368 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
9369 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9370 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
9371 Rename from TARGET_ENCODE_SECTION_INFO.
9372 * config/i386/netware.h: Likewise.
9373 * config/i386/i386-protos.h: Update.
9374 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
9375 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
9376 (legitimate_constant_p): Reject dllimports.
9377 (dllimport_map, get_dllimport_decl): New.
9378 (legitimize_dllimport_symbol): New.
9379 (legitimize_address, ix86_expand_move): Use it.
9380 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
9381 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
9382 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
9383 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
9384 * config/i386/predicates.md (constant_call_address_operand): Only
9385 accept symbols; reject dllimport_p symbols.
9386 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
9387 i386_pe_maybe_record_exported_symbol.
9388 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
9389 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
9390 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
9391 trust the setting of DECL_DLLIMPORT_P.
9392 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
9393 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
9394 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
9395 tidy the argument scanning loop.
9396 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
9397 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
9398 (i386_pe_strip_name_encoding): Remove.
9399 (i386_pe_binds_local_p): New.
9400 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
9401 (i386_pe_output_labelref): Remove.
9402 (i386_pe_asm_output_aligned_decl_common): New.
9403 (i386_pe_maybe_record_exported_symbol): Rename from
9404 i386_pe_record_exported_symbol; check for dllexported symbols.
9406 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
9408 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
9409 add comment explaining why vsnprintf cannot be used.
9411 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
9413 PR tree-optimization/30666
9414 * tree.c (build_complex_type): When creating type names for DWARF2
9415 debug info, create TYPE_DECLs for TYPE_NAME instead of
9417 (build_common_tree_nodes_2): Use build_complex_type when building
9418 predefined complex types, to preserve canonical types.
9420 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
9422 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
9423 (noce_get_alt_condition): Look at it to determine whether to
9424 reverse the condition or not.
9425 (noce_get_condition): Substitute the truth for lies.
9426 (noce_find_if_block): Set the then_else_reversed field.
9428 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
9430 * config/fr30/fr30.md (movdi): Do not accept immediates as the
9431 destination of this insn.
9432 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
9433 than calling gen_rtx_SET directly. Use r0 to hold the value of
9434 'address + 4' rather than a stack based temporary which can be
9437 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9439 * config/s390/s390.c (s390_secondary_input_reload_class,
9440 s390_secondary_output_reload_class): Functions removed.
9441 (s390_secondary_reload): New function.
9442 (TARGET_SECONDARY_RELOAD): Target macro defined.
9443 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
9444 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
9445 * config/s390/s390.md ("reload_outti", "reload_outdi",
9446 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
9447 "reload_out<mode>"): Expanders removed.
9448 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
9449 "reload<mode>_nonoffmem_out"): Expanders added.
9451 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9453 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
9454 action if SRC->DEST replacement failed anyway.
9456 2007-03-28 Mike Stump <mrs@apple.com>
9458 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
9459 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
9460 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
9462 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
9464 * config.gcc: Accept barcelona as a variant of amdfam10.
9465 * config/i386/i386.c (override_options): Likewise.
9466 * doc/invoke.texi: Likewise.
9468 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
9470 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
9471 offsets for BIT_FIELD_REF and COMPONENT_REF.
9473 2007-03-28 Richard Guenther <rguenther@suse.de>
9475 * tree.c (is_global_var): Move ...
9476 * tree-flow-inline.h (is_global_var): ... here.
9477 * tree.h (is_global_var): Remove declaration.
9479 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
9481 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
9483 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
9484 * config/i386/i386.c (ix86_tune_features): Initialize new
9486 * config/i386/predicates.md (promotable_binary_operator): Use
9487 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
9489 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9492 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
9494 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
9496 * config/fr30/fr30.md (movsi_internal): Change destination
9497 constraint from m to V and add m to the end.
9499 2007-03-28 Christian Bruel <christian.bruel@st.com>
9501 * config/sh/sh.md (movsi_i): Fix type attribute.
9503 2007-03-28 Christian Bruel <christian.bruel@st.com>
9505 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
9506 (movsf_ie): Likewise.
9508 2007-03-28 Christian Bruel <christian.bruel@st.com>
9510 * config.gcc: Add sh4-300 to multilib.
9511 * config/sh/t-mlib-sh4-300: New file.
9513 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
9515 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
9516 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
9518 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
9519 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
9520 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
9521 "fixuns_trunctddi2"): Whitespace fix.
9523 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9525 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
9526 the definition of struct sh_args.
9527 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
9528 CALL_COOKIE_INT_REG_GET): Likewise.
9530 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
9532 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
9533 transformations are applied successfully.
9535 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
9537 * tree.c (tree_contains_struct): Permit 512 tree codes.
9538 * tree.h (tree_contains_struct): Ditto.
9539 (MAX_TREE_CODES): Ditto.
9540 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
9541 SPARE member to store remaining padding bits.
9543 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9545 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
9548 2007-03-27 Janis Johnson <janis187@us.ibm.com>
9550 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
9551 * configure: Regenerate.
9553 * configure: Regenerate using the correct version of autoconf.
9555 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9557 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
9559 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
9560 regs to "__SP_L__" and "__SP_H__".
9562 2007-03-27 Richard Guenther <rguenther@suse.de>
9564 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
9565 computations with it with a HOST_WIDE_INT variable.
9567 2007-03-26 Mike Stump <mrs@apple.com>
9569 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
9570 objective-c-header, objective-c++-header and objc++-cpp-output
9572 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
9574 2007-03-26 Richard Henderson <rth@redhat.com>
9577 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
9578 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
9579 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
9580 IX86_BUILTIN_PSRLQ128): New.
9581 (ix86_init_mmx_sse_builtins): Add them.
9582 (ix86_expand_builtin): Expand them.
9583 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
9584 operand 2 be TImode.
9585 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
9586 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
9587 _mm_srli_epi64): Mark __B const.
9588 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
9589 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
9590 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
9591 new two-vector shift builtins.
9593 2007-03-26 Ian Lance Taylor <iant@google.com>
9595 PR tree-optimization/31345
9596 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
9597 [+INF, +INF(OVF)] into VARYING.
9599 2007-03-26 Zack Weinberg <zackw@panix.com>
9601 * gengtype-parse.c: New file.
9602 * gengtype-yacc.y: Delete.
9603 * gengtype-lex.l: Don't include gengtype-yacc.h.
9604 Define YY_DECL and yyterminate appropriately for recursive
9605 descent parser. yylval is now a string out-parameter to yylex.
9606 (HWS, EOID): New shorthand.
9607 (IWORD): Add a couple more types.
9608 (yylex): Add a setup stanza. Remove the complex rules for
9609 detecting GTY'ed types and typedefs; replace with simple
9610 keyword detectors. Adjust everything for the changed
9611 definition of yylval. Ignore all pp-directives, not just #define.
9613 (parse_file): Rename yybegin; do not call yyparse.
9615 * gengtype.c (xasprintf): Export again.
9616 (this_file): New. Use everywhere __FILE__ was being used.
9617 (get_lang_bitmap): Special case types defined in gengtype.c.
9618 (do_typedef, new_structure): Suppress definition of certain types.
9619 (new_structure): Improve diagnostics of duplicate definitions.
9620 Make sure location_s is associated with input.h.
9621 (nreverse_pairs, define_location_structures): New functions.
9622 (main): Improve tagging of kludge types. Remove old kludges
9623 for input.h types; use define_location_structures.
9624 * gengtype.h: Update prototypes. Define token codes here.
9625 * Makefile.in: Remove all references to gengtype-yacc.
9626 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
9628 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
9629 add GTY((skip)) to the field that's only conditionally there.
9630 * doc/install.texi: Document that Bison is no longer required
9631 unless building treelang.
9633 * gengtype.c: Don't include gtyp-gen.h.
9634 (srcdir): Declare here.
9635 (base_files, lang_dir_names): Allocate dynamically.
9636 (gt_files, num_gt_files, num_lang_dirs): New globals.
9637 (measure_input_list, read_input_line, read_input_list)
9638 (set_lang_bitmap): New functions.
9639 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
9640 simplify, relying on read_input_list to set up the bitmaps.
9641 (main): Arguments are no longer unused. Check for correct number
9642 of command line arguments, set srcdir and srcdir_len, then call
9643 read_input_list, before doing anything else. No need to worry
9644 about duplicates in main loop.
9645 * configure.ac: Simplify the calculation of all_gtfiles.
9646 Put language tags in there. Don't set or substitute
9647 all_gtfiles_files_langs or all_gtfiles_files_frags.
9648 * Makefile.in: Revamp the way gengtype is invoked, now that it
9649 takes a file on its command line with a much simpler format.
9650 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
9651 (GTFILES): Remove duplicates and C source files.
9652 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
9653 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
9654 * configure: Regenerate.
9656 * gengtype.h: Remove all type definitions to gengtype.c; leave
9657 only definitions of options_p, type_p, and pair_p as opaque
9658 pointers. Update prototypes.
9659 * gengtype.c: Many type definitions moved here from gengtype.h.
9660 Consolidate type definitions at the top of the file.
9661 (xvasprintf): Delete.
9662 (xasprintf): Make static.
9663 (create_nested_pointer_option): Add 'next' parameter.
9664 (create_field_all, create_field_at): New functions.
9665 (create_field): Now a thin wrapper around create_field_all.
9666 (create_optional_field): Rename create_optional_field_ and add
9667 line argument. Original name is now a macro which supplies
9669 (oprintf): Use vsnprintf directly.
9670 (close_output_files): Use fatal rather than perror/exit.
9671 (note_def_vec, note_def_vec_alloc): Use create_field_at.
9672 (main): Set progname. Don't use exit.
9673 * gengtype-yacc.y (struct_fields): Use create_field_at.
9674 (option, optionseqopt): Delete.
9675 (optionseq): Consolidate productions from option here so we
9676 can use the first argument to create_option.
9678 * gengtype-lex.l: Distinguish unions from structures in the
9679 token type. Don't call find_structure; return the tag as a string.
9680 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
9681 ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
9682 string. Reorganize typedef_struct production accordingly.
9683 Use create_nested_ptr_option.
9684 * gengtype.c (create_nested_ptr_option): New function.
9685 * gengtype.h: Declare it.
9687 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9688 (string_type): Don't declare.
9689 (do_scalar_typedef): Declare.
9690 (create_scalar_type): Update prototype.
9691 * gengtype.c (string_type): Make static.
9692 (scalar_nonchar, scalar_char): New.
9693 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9694 (resolve_typedef): Use scalar_nonchar for error recovery.
9695 (create_scalar_type): Remove name_len field. Return scalar_char
9696 or scalar_nonchar as appropriate.
9697 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9699 (throughout): Use scalar_nonchar instead of calling
9700 create_scalar_type, whenever possible.
9701 (main): Initialize scalar_char and scalar_nonchar before calling
9703 * gengtype-lex.l: Adjust for removal of second argument to
9704 create_scalar_type. Use yylval.s instead of yylval.t when
9706 * gengtype-yacc.y: Type of SCALAR is string. Call
9707 create_scalar_type from type:SCALAR rule. Adjust for removal of
9708 second argument to create_scalar_type.
9710 * vec.h: Remove all #if IN_GENGTYPE blocks.
9711 Add comment saying that changes may require adjustments to gengtype.
9712 * gengtype.c: Don't include coretypes.h or tm.h.
9713 Add comment to inclusion of errors.h.
9714 (note_def_vec, note_def_vec_alloc): New functions.
9715 * gengtype.h: Declare new functions.
9716 * gengtype-lex.l: Don't include coretypes.h.
9717 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9719 (update_lineno): Remove unnecessary prototype.
9720 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9721 (VEC rule): Just return VEC_TOKEN.
9722 * gengtype-yacc.y (VEC_TOKEN): New token type.
9723 (type): Add a production for VEC(a,b).
9724 * Makefile.in: Update dependencies.
9726 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9727 typedefs that use the old PARAMS macro.
9729 * gengtype-lex.l: Remove all rules and states relating to yacc
9731 * gengtype-yacc.y: Similarly.
9732 * gengtype.c (note_yacc_type): Delete function.
9733 * gengtype.h: Update prototypes.
9735 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9737 * tree-pretty-print.c (dump_generic_node): Report precision of
9738 unnamed integer types.
9740 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9742 * ifcvt.c (noce_try_store_flag_constants): Don't check
9743 no_new_pseudos here.
9744 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9745 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9746 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9747 noce_try_sign_mask): Likewise.
9748 (if_convert): Check no_new_pseudos here.
9750 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9752 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9753 (noce_get_condition): Handle new then_else_reversed argument.
9754 (noce_init_if_info): Remove, fold into noce_find_if_block.
9755 (noce_process_if_block): Take a struct noce_if_info as the
9756 argument. Don't set up one based on ce_if_info. Update pointer
9757 references accordingly.
9758 (cond_move_process_if_block): Likewise.
9759 (process_if_block): Removed.
9760 (find_if_block): Removed. Move functionality two new functions,
9761 noce_find_if_block and cond_exec_find_if_block.
9762 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9763 blocks and the symmetric IF-ELSE-JOIN case.
9764 (cond_exec_find_if_block): Also new function mostly based on old
9765 find_if_block and process_if_block.
9766 (find_if_header): Replace find_if_block call with separately
9767 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9768 (find_cond_trap): Update noce_get_condition call.
9769 (dead_or_predicable): Likewise.
9771 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9773 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9775 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9776 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9777 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9778 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9779 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9780 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9781 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9782 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9783 __builtin_ia32_psrad128 builtins.
9785 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9787 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9788 * config/i386/constraints.md
9789 (define_constraint "I"): Use IN_RANGE macro.
9790 (define_constraint "J"): Ditto.
9791 (define_constraint "K"): Ditto.
9792 (define_constraint "M"): Ditto.
9793 (define_constraint "N"): Ditto.
9794 (define_constraint "O"): Ditto.
9795 * config/i386/predicates.md
9796 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9797 (define_predicate "const_0_to_3_operand"): Ditto.
9798 (define_predicate "const_0_to_7_operand"): Ditto.
9799 (define_predicate "const_0_to_15_operand"): Ditto.
9800 (define_predicate "const_0_to_63_operand"): Ditto.
9801 (define_predicate "const_0_to_255_operand"): Ditto.
9802 (define_predicate "const_1_to_31_operand"): Ditto.
9803 (define_predicate "const_2_to_3_operand"): Ditto.
9804 (define_predicate "const_4_to_7_operand"): Ditto.
9806 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9808 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9809 in SImode for save_world.
9810 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9813 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9815 PR tree-optimization/30784
9816 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9819 2007-03-25 Revital Eres <eres@il.ibm.com>
9821 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9822 Fold movement_possibility function into it.
9824 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9826 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9827 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9828 (call_indirect_nonlocal_darwin64): Same.
9829 (call_nonlocal_darwin64): Same.
9830 (call_value_indirect_nonlocal_darwin64): Same.
9831 (call_value_nonlocal_darwin64): Same.
9832 (sibcall_nonlocal_darwin64): Same.
9833 (sibcall_value_nonlocal_darwin64): Same.
9834 (sibcall_symbolic_64): Same.
9835 (sibcall_value_symbolic_64): Same.
9836 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9838 (rs6000_emit_load_toc_table): Same.
9839 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9840 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9846 (load_toc_v4_pic_si): Same
9847 (load_toc_v4_PIC_1): Same.
9848 (load_toc_v4_PIC_1b): Same.
9849 (call_indirect_aix{32,64}): Same.
9850 (call_value_indirect_aix{32,64}): Same.
9853 (call_local{32,64}): Same.
9854 (call_value_local{32,64}): Same.
9855 (call_indirect_nonlocal_aix{32,64}): Same.
9856 (call_nonlocal_aix{32,64}): Same.
9857 (call_value_indirect_nonlocal_aix{32,64}): Same.
9858 (call_value_nonlocal_aix{32,64}): Same.
9859 (call_indirect_nonlocal_sysv<mode>): Same.
9860 (call_nonlocal_sysv<mode>): Same.
9861 (call_value_indirect_nonlocal_sysv<mode>): Same.
9862 (call_value_nonlocal_sysv<mode>): Same.
9864 (sibcall_local{32,64}): Same.
9865 (sibcall_value_local{32,64}): Same.
9866 (sibcall_nonlocal_aix{32,64}): Same.
9867 (sibcall_value_nonlocal_aix{32,64}): Same.
9868 (sibcall_nonlocal_sysv<mode>): Same.
9869 (sibcall_value): Same.
9870 (sibcall_value_nonlocal_sysv<mode>): Same.
9872 2007-03-24 Paul Brook <paul@codesourcery.com>
9874 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9875 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9877 2007-03-24 Richard Henderson <rth@redhat.com>
9879 * config/ia64/constraints.md: New file.
9880 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9881 satisfies_constraint_?.
9882 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9883 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9884 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9885 ia64_output_mi_thunk): Likewise.
9886 (ia64_const_ok_for_letter_p): Remove.
9887 (ia64_const_double_ok_for_letter_p): Remove.
9888 (ia64_extra_constraint): Remove.
9889 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9890 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9891 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9892 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9893 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9894 EXTRA_MEMORY_CONSTRAINT): Remove.
9895 * config/ia64/ia64.md: Include constriants.md. Replace
9896 CONST_OK_FOR_? with satisfies_constraint_?.
9898 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9899 H.J. Lu <hongjiu.lu@intel.com>
9901 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9903 (name macros): Use DPD_BID_NAME to convert names properly.
9905 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9906 decimal floating point format.
9907 (init_floating_libfuncs): Change decimal functions so that they
9908 have a "bid_" prefix if the decimal system uses the BID format,
9909 and "dpd_" prefix if the decimal system uses the DPD format.
9910 (init_interclass_conv_libfuncs): Ditto.
9911 (init_intraclass_conv_libfuncs): Ditto.
9913 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9914 using the BID format.
9916 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9917 whether we are using the BID decimal format.
9918 * configure: Regenerate.
9920 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9921 the compiler has decimal floating point enabled. Define
9922 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9925 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9926 using the BID format.
9928 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9929 whether we are using the BID decimal format.
9930 * configure: Regenerate.
9932 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9933 the compiler has decimal floating point enabled. Define
9934 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9937 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9938 options, and that it is enabled for i386/x86_64 systems.
9940 * Makefile.in (enable_decimal_float): New.
9942 (DECNUMINC): Add -I$(DECNUMFMT).
9943 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9944 to $(DECNUMFMT) from $(DECNUM).
9946 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9947 Substitute enable_decimal_float.
9948 * configure: Regenerated.
9951 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9954 * configure.ac: Enable decimal float for x86_64-*-linux*.
9955 * configure: Regenerated.
9958 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9959 decimal128ClearSign to flip and clear the sign bit in decimal128.
9960 (decimal_real_maxval): Set decimal128SetSign to set the sign
9963 2007-03-23 Ian Lance Taylor <iant@google.com>
9965 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9967 2007-03-23 Ian Lance Taylor <iant@google.com>
9969 * tree-dump.c (dump_files): Correct comment.
9971 2007-03-23 Ian Lance Taylor <iant@google.com>
9973 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9975 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9977 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9978 in cfglayout mode. Don't go into and out of cfglayout mode.
9979 Link the blocks in the order of the constructed traces.
9980 (rest_of_handle_tracer): Adjust call to tracer.
9981 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9982 Don't go into cfglayout mode.
9983 (rtl_loop_done): Don't go out of cfglayout mode.
9984 * cfglayout.c (relink_block_chain): New function, split out from...
9985 (fixup_reorder_chain): ...here. Remove redundant checking.
9986 (cfg_layout_finalize): Don't clear the header, footer, and aux
9987 fields here, move the code to do so to relink_block_chain. Likewise
9988 for free_original_copy_tables.
9989 * rtl.h (tracer): Update prototype.
9990 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9991 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9992 mode. Use relink_block_chain to serialize the CFG according to the
9993 new basic block order. Move targetm.cannot_modify_jumps_p check from
9995 (gate_handle_reorder_blocks): ...to here.
9996 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
9998 (gate_duplicate_computed_gotos): ...to here.
9999 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
10000 something always changes when going into and out of cfglayout mode.
10001 Perform an expensive cfg cleanup while going into cfglayout mode.
10002 Always update liveness information on HAVE_conditional_execution
10003 targets. Reserialize the basic blocks and go out of cfglayout mode.
10004 * reg-stack.c: Include cfglayout.h.
10005 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
10006 the call to reorder_basic_blocks.
10007 * basic-block.h (reorder_basic_blocks): Update prototype.
10008 (relink_block_chain): New prototype.
10009 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
10011 2007-03-23 Joseph Myers <joseph@codesourcery.com>
10013 * config/mips/mips.md (type, hazard, *movdi_32bit,
10014 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
10015 *movhi_internal, *movqi_internal, *movsf_hardfloat,
10016 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
10017 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
10018 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
10020 (movcc): Change first xfer to multi.
10021 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
10022 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
10023 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
10024 config/mips/generic.md: Change reservations using "xfer" to use
10026 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
10027 using match_operand.
10028 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
10029 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
10031 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
10033 2007-03-22 Richard Henderson <rth@redhat.com>
10035 * config/i386/i386.c: Remove unnecessary function declarations.
10036 Move targetm definition, and all related macros, to the end of
10037 the file. Resort some functions to put definitions before uses.
10038 (ix86_attribute_table): Make static. Move to end of file.
10039 (ix86_gimplify_va_arg): Make static.
10041 2007-03-22 Richard Henderson <rth@redhat.com>
10043 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
10044 don't increase local_regparm with force_align_arg_pointer check.
10045 (ix86_function_sseregparm): Assert 32-bit.
10046 (type_has_variadic_args_p): New.
10047 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
10048 type_has_variadic_args_p.
10049 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
10050 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
10051 use memset instead. Do maybe_vaarg check first; skip attribute
10052 tests if true; skip attribute tests for 64-bit.
10053 (construct_container): Remove TARGET_DEBUG_ARG.
10054 (function_arg_advance_32, function_arg_advance_64): Split out ...
10055 (function_arg_advance): ... from here.
10056 (function_arg_32, function_arg_64): Split out ...
10057 (function_arg): ... from here.
10058 (ix86_pass_by_reference): Tidy.
10059 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
10060 (function_value_32): New, from parts of ix86_function_value
10061 and ix86_value_regno.
10062 (function_value_64): New, from parts of ix86_function_value
10063 and ix86_libcall_value.
10064 (ix86_function_value_1): New.
10065 (ix86_function_value, ix86_libcall_value): Use it.
10066 (return_in_memory_32, return_in_memory_64): Split out ...
10067 (ix86_return_in_memory): ... from here.
10068 (ix86_struct_value_rtx): Skip for 64-bit.
10069 (ix86_libcall_value, ix86_value_regno): Remove.
10070 (setup_incoming_varargs_64): Split out ...
10071 (ix86_setup_incoming_varargs): ... from here.
10072 (ix86_va_start): Remove TARGET_DEBUG_ARG.
10073 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
10074 * config/i386/i386-protos.h (ix86_function_value): Remove.
10075 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
10077 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10080 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
10081 infinities not supported, otherwise emit warning if -Woverflow. On
10082 underflow, emit warning if -Woverflow.
10083 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
10085 * real.h (real_from_string): Update declaration
10087 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
10088 Richard Henderson <rth@redhat.com>
10090 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
10091 * calls.c (compute_argument_block_size, expand_call,
10092 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
10093 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
10094 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
10095 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
10096 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
10097 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
10098 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
10099 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
10102 2007-03-22 Joseph Myers <joseph@codesourcery.com>
10104 * c-incpath.c (add_sysroot_to_chain): New.
10105 (merge_include_chains): Add sysroot argument. Call
10106 add_sysroot_to_chain if sysrooted.
10107 (register_include_chains): Update call to merge_include_chains.
10108 * doc/cppopts.texi: Document use of '=' in include directory
10111 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
10113 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
10114 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
10115 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
10116 insn pattern using X87MODEF12 mode macro.
10118 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
10120 * regmove.c (regmove_optimize): Use reg_mentioned_p
10121 instead of reg_overlap_mentioned_p for DST.
10123 2007-03-21 Mike Stump <mrs@apple.com>
10125 * c.opt: Fixup for Objective-C/C++.
10127 2007-03-21 Steve Ellcey <sje@cup.hp.com>
10129 * explow.c (convert_memory_address): Fold memory reference when
10130 POINTERS_EXTEND_UNSIGNED < 0
10132 2007-03-21 Richard Henderson <rth@redhat.com>
10135 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
10136 * config/i386/mmintrin.h (__m64): Likewise.
10137 * config/i386/xmmintrin.h (__m128): Likewise.
10139 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10141 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
10142 (VXWORKS_OS_CPP_BUILTINS): Define.
10143 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
10144 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
10146 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10148 * rtl.h (constant_pool_reference_p): Delete.
10149 (find_constant_src): Declare.
10150 * rtlanal.c (find_constant_src): New function.
10151 * simplify-rtx.c (constant_pool_reference_p): Delete.
10152 * config/i386/i386.md: Use find_constant_src instead of
10153 constant_pool_reference_p/avoid_constant_pool_reference pairs.
10155 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10157 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
10158 * c-cppbuiltin.c (c_cpp_builtins): Define them.
10160 2007-03-20 Mark Mitchell <mark@codesourcery.com>
10162 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
10163 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
10164 (arm_elf_asm_constructor): Use it.
10165 (arm_elf_asm_destructor): New function.
10167 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
10169 * jump.c (mark_jump_label): Treat SEQUENCE specially.
10171 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
10173 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
10175 2007-03-19 Andrew Haley <aph@redhat.com>
10177 PR tree-optimization/31264
10178 * tree-vrp.c (register_edge_assert_for_1): Don't look though
10179 VIEW_CONVERT_EXPRs.
10181 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
10183 PR rtl-optimization/30907
10184 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
10185 (fwprop_init): Always call loop_optimizer_initialize.
10186 (fwprop_done): Always call loop_optimizer_finalize.
10187 (fwprop): We always have loop info now.
10188 (gate_fwprop_addr): Remove.
10189 (pass_fwprop_addr): Use gate_fwprop as gate.
10191 PR rtl-optimization/30841
10192 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
10193 df_chain_alloc): Call df_reorganize_refs unconditionally.
10194 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
10195 refs_organized to refs_organized_size.
10196 (df_ref_create_structure): Use refs_organized_size instead of
10197 bitmap_size if refs had been organized, and keep refs_organized_size
10199 * df.h (struct df_ref_info): Change refs_organized to
10200 refs_organized_size.
10201 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
10204 2007-03-19 Mark Mitchell <mark@codesourcery.com>
10206 * except.c (output_function_exception_table): Do not reference the
10207 EH personality routine for functions that do not require an
10210 2007-03-20 Jakub Jelinek <jakub@redhat.com>
10213 * c-typeck.c (convert_for_assignment): Call comptypes for
10214 RECORD_TYPE or UNION_TYPE.
10216 PR inline-asm/30505
10217 * reload1.c (reload): Do invalid ASM checking after
10218 cleanup_subreg_operands.
10220 2007-03-19 Jeff Law <law@redhat.com>
10222 * tree-cfg.c (find_taken_edge): Tighten conditions for
10223 optimizing computed gotos.
10225 2007-03-19 Michael Matz <matz@suse.de>
10227 * builtins.c (expand_builtin_sync_operation,
10228 expand_builtin_compare_and_swap,
10229 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
10232 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
10233 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
10236 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10238 * doc/tm.texi: Add brackets around the return type of
10239 TARGET_SECONDARY_RELOAD.
10241 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
10242 Richard Guenther <rguenther@suse.de>
10244 PR tree-optimization/31254
10245 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10246 Use handled_component_p () where appropriate. Continue
10247 propagating into the rhs if we propagated into an INDIRECT_REF
10250 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10252 * config/s390/s390.md (op_type attribute): RRR instruction type added.
10253 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
10254 (xde, xdee): Mode attributes adjusted to support DFP modes.
10255 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
10256 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
10257 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
10258 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
10259 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
10260 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
10261 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
10263 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
10264 "movsf"): Insn definitions removed.
10265 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
10266 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
10267 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
10269 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
10270 "reload_in<mode>", "reload_out<mode>"): Expander added.
10271 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
10274 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10276 * config/s390/s390.md: Only non-functional changes. Renamed
10277 FPR mode macro to BFP all over the file.
10279 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10281 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
10282 (op_type attribute): RRF instruction type added.
10283 (fT0): New mode attribute.
10284 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
10285 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
10286 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
10287 instruction no secondary memory is needed when moving DFmode values
10288 between GPRs and FPRs.
10290 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10292 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
10293 inverted and documentation adjusted.
10294 ("mhard-dfp", "msoft-dfp"): New options.
10295 * config/s390/s390.c (s390_handle_arch_option): New architecture
10297 (override_options): Sanity checks for the new options added.
10298 * config.gcc: New architecture switch: z9-ec.
10299 * config/s390/s390.h (processor_flags): PF_DFP added.
10300 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
10301 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
10302 when the bit is NOT set so remove it from the defaults.
10304 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10306 * genemit.c (main): Print include statement for dfp.h.
10307 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
10310 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10312 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
10314 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
10317 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
10318 instead of PATTERN.
10320 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10322 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
10323 attr_length_call, output_call, output_indirect_call): Cleanup
10324 formatting of targetm calls.
10326 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10328 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
10330 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10332 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
10333 reservation, bypass and anti-bypass descriptions for these
10334 instructions. Update move patterns.
10335 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
10338 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
10340 * tree-vect-transform.c (get_initial_def_for_induction): Replace
10341 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
10342 (get_initial_def_for_reduction): Likewise.
10344 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
10346 Fix PR tree-optimization/29922
10347 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
10348 (get_representative): Removed.
10349 (value_dies_in_block_x): Update for rvuse removal.
10350 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
10351 (compute_antic_aux): Handle when PHI nodes appear in
10352 non-single-successors.
10353 (dump_bitmap_of_names): Removed.
10354 (compute_antic_safe): Renamed and removed rvuse calculation.
10355 Calculate only antic safe.
10356 (insert_into_preds_of_block): Remove assert.
10357 (execute_pre): Update for renamed functions.
10358 (defer_or_phi_translate_block): New function.
10360 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10362 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
10363 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
10365 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
10366 Follow spelling conventions.
10368 * tree-data-ref.h: Remove the prototype for analyze_array.
10370 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
10372 PR tree-optimization/31041
10373 * tree-vect-transform.c (get_initial_def_for_induction): Call
10374 force_gimple_operand.
10376 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
10378 * ipa-type-escape.c (look_for_casts) : Revert code to use
10379 handled_component_p due to ada test a-numaux.adb.
10381 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10383 * final.c (final_scan_insn): Alter the condition of a
10384 conditional trap if we have nonstandard CC.
10386 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10388 * configure.ac: Remove excess quoting from asm line 0 test.
10389 * configure: Rebuilt.
10391 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10393 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
10394 * c-common.c (convert_and_check): Move warning logic to...
10395 (warnings_for_convert_and_check): ...here. Define.
10396 * c-common.h (warnings_for_convert_and_check): Declare.
10398 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10400 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
10401 (output_call): Likewise.
10403 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10405 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
10407 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10409 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
10411 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
10413 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
10414 opteron, athlon-64 and athlon-fx processor_alias_table entries.
10416 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
10418 PR tree-optimization/31183
10419 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
10420 Use double_int instead of unsigned int for representing access_strides.
10421 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
10423 2007-03-16 Richard Guenther <rguenther@suse.de>
10425 PR tree-optimization/31146
10426 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
10427 to allow recursion of forward_propagate_addr_expr.
10428 (forward_propagate_addr_into_variable_array_index): Likewise.
10429 (forward_propagate_addr_expr): Likewise.
10430 (tree_ssa_forward_propagate_single_use_vars): Likewise.
10431 (forward_propagate_addr_expr_1): Recurse on simple copies
10432 instead of propagating into them. Do so for useless conversions
10434 (forward_propagate_addr_expr): Clean up unused statements after
10437 2007-03-16 Richard Guenther <rguenther@suse.de>
10439 * builtins.c (expand_builtin_cexpi): Use the right argument
10440 for the expansion via cexp.
10442 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10444 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
10445 * configure: Rebuilt.
10447 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10450 * dwarf2out.c (force_type_die): Adjust comment.
10451 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
10453 2007-03-15 DJ Delorie <dj@redhat.com>
10455 * config/frv/predicates.md (minmax_operator): Don't check operands
10458 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10460 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
10461 Update constant estimates of number of iterations.
10462 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
10463 argument renamed to "realistic".
10464 (compute_estimated_nb_iterations): Removed.
10465 (record_niter_bound): New function.
10466 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
10467 call record_nonwrapping_iv with upper = false.
10468 (infer_loop_bounds_from_signedness): Pass upper argument to
10469 record_nonwrapping_iv.
10470 (estimate_numbers_of_iterations_loop): Do not call
10471 compute_estimated_nb_iterations. Record estimate based on profile
10472 information. Initialize the constant estimates of number of
10474 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
10476 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
10477 number of iterations is too small.
10478 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
10479 (EST_NOT_AVAILABLE): Removed.
10480 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
10481 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
10484 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10486 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
10487 Handle NE_EXPR guards.
10489 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10492 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
10493 Set also -pedantic-errors by default for the preprocessor unless
10494 -fpermissive is given.
10496 2007-03-15 Richard Guenther <rguenther@suse.de>
10498 PR middle-end/29719
10499 PR middle-end/31161
10500 * builtins.c (expand_builtin_cexpi): As a fallback if we
10501 don't have builtins for sincos or cexp create a function
10502 declaration for cexp and expand to a call to that.
10503 (expand_builtin_int_roundingfn): Always fall
10504 back to floor/ceil and its variants even if they may be
10507 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
10509 PR middle-end/31159
10510 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
10511 jump tables, move the call to delete_dead_jumptables from here...
10512 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
10513 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
10514 don't allow merging of blocks that try_redirect_by_replacing_jump
10515 also does not handle when not optimizing.
10517 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10518 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10520 * config/i386/i386.md (x86_sahf_1): Correctly handle
10523 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10526 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
10527 x86_64_general_operand as operand[2] predicate. Remove "iF"
10528 from operand constraints and use "e" constraint instead.
10529 (*subti3_1, *subti3_1 splitter): Ditto.
10530 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
10531 operand[1] predicate.
10533 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
10535 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
10536 arrays, multiply the access strides by the size of the sub-array.
10537 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
10539 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10541 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
10542 the configured assembler supports the sahf mnemonic.
10543 * configure: Regenerate.
10544 * config.in: Regenerate.
10546 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
10547 emit "sahf" or ".byte\t0x9e" as asm template.
10549 2007-03-14 Michael Meissner <michael.meissner@amd.com>
10552 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
10553 option to replace hard coded TARGET_xxx in md file.
10554 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
10555 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10556 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
10557 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
10558 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
10559 (X86_TUNE_NOT_VECTORMODE): Ditto.
10560 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
10561 (TUNE_AVOID_VECTOR_DECODE): Ditto.
10562 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10563 (TUNE_SLOW_IMUL_IMM8): Ditto.
10564 (TUNE_MOVE_M1_VIA_OR): Ditto.
10565 (TUNE_NOT_UNPAIRABLE): Ditto.
10566 (TUNE_NOT_VECTORMODE): Ditto.
10568 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
10571 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
10572 tuning options instead of hard coded TARGET_xxx.
10573 (fix ssemode peephole2's): Ditto.
10574 (imul peephole2's): Ditto.
10576 (movdi_or_rex64): Ditto.
10577 (move peephole2): Ditto.
10578 (not peephole2's): Ditto.
10580 2007-03-14 Dirk Mueller <dmueller@suse.de>
10582 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
10583 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
10584 * c-parser.c (c_parser_if_body): Always add an empty statement in case
10586 * c-parser.c (c_parser_do_statement): Warn about empty body in
10587 do/while statement.
10588 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
10589 * doc/invoke.texi (-Wempty-body): Update documentation.
10591 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10594 * c-common.h (warn_for_div_by_zero): Declare.
10595 * c-common.c (warn_for_div_by_zero): Define.
10596 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
10599 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10601 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
10602 to PREFIX and STANDARD_PREFIX.
10604 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10605 Phil Edwards <phil@codesourcery.com>
10607 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
10608 (__gthread_once_t): Remove busy field for RTPs.
10609 (__GTHREAD_ONCE_INIT): Update accordingly.
10611 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10613 * doc/invoke.texi: Document VxWorks options.
10615 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10617 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
10619 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
10621 PR tree-optimization/30590
10622 * tree-nrv.c (tree_nrv): Check for the partial update of the
10625 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10627 * flags.h (flag_random_seed): Remove declaration, in favor of...
10628 * toplev.h (get_random_seed, set_random_seed): ... these.
10629 * tree.c (get_file_function_name): Use the former.
10630 * opts.c (common_handle_option): Use the latter.
10633 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
10635 PR middle-end/31127
10636 * cse.c (cse_find_path): Do not bail out if a basic block that
10637 we already visited now becomes part of a path that starts at a
10638 different basic block. Just disallow this, to make sure we
10639 visit each basic block at most once.
10641 2007-03-13 Jan Hubicka <jh@suse.cz>
10643 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
10644 attributes, when profile esitmate is present, calls with very low
10645 frequency are cold.
10647 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10649 PR tree-optimization/30730
10650 PR tree-optimization/26900
10651 * tree-ssa-loop-niter.c: Include gmp.h.
10652 (bounds): New type.
10653 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
10654 split_to_var_and_offset, determine_value_range,
10655 bound_difference_of_offsetted_base, refine_bounds_using_guard,
10656 bound_difference, bounds_add, bounds_negate,
10657 number_of_iterations_ne_max, dump_affine_iv): New functions.
10658 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10659 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
10660 difference of initial and final value of control iv to validate
10662 (number_of_iterations_cond): Add loop parameter. Determine bounds
10663 on the difference of the extremes of the control iv. Add dumps.
10664 (expand_simple_operations): Handle phi nodes.
10665 (simplify_using_initial_conditions): Do not record used conditions.
10666 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
10667 Do not set additional_info.
10668 (implies_nonnegative_p, implies_ge_p): Removed.
10669 (derive_constant_upper_bound): Do not use parameter `additional'.
10670 (record_estimate): Parameter `additional' removed. Parameter
10671 `i_bound' added. Do not call derive_constant_upper_bound.
10672 (record_nonwrapping_iv): Use derive_constant_upper_bound to
10673 bound the number of iterations estimate.
10674 (estimate_numbers_of_iterations_loop): Pass the estimate from
10675 the number of iterations analysis to record_estimate.
10676 * tree.h (multiple_of_p): Declare.
10677 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10678 (scev_const_prop): Do not check expression_expensive_p.
10679 * fold-const.c (multiple_of_p): Exported.
10680 * double-int.c (double_int_mask): Exported.
10681 * double-int.h (double_int_mask): Declare.
10682 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10683 field. Added max field.
10685 2007-03-13 David Taylor <taylor@candd.org>
10688 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10691 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10694 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10695 two unamed patterns.
10697 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10699 * config/i386/i386.opt (mcx16, msahf): New options.
10700 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10701 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10703 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10704 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10705 Output -mcx16 and -msahf options when corresponding bit is set.
10707 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10708 and -msahf options.
10710 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10712 * configure.ac: Test for assembler tolerance to # 0 "".
10713 * configure, config.in: Rebuilt.
10714 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10716 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10718 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10720 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10721 (handle_syscall): Handle direct system calls.
10722 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10724 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10726 * doc/invoke.texi: Fix cpp.info cross-reference.
10727 * doc/passes.texi: Fix gcc.info cross-reference.
10729 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10731 PR tree-optimization/30835
10732 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10733 bb_for_stmt is not NULL before accessing it.
10735 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10737 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10740 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10743 * doc/install.texi: Document --enable-stage1-languages
10745 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10747 * tree-pass.h (pass_into_cfg_layout_mode,
10748 pass_outof_cfg_layout_mode): Declare.
10749 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10750 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10751 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10752 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10754 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10756 * c-decl.c (warn_variable_length_array): New function.
10757 Refactored from grokdeclarator to handle warn_vla
10758 and handle unnamed array case.
10759 (grokdeclarator): Refactored VLA warning case.
10760 * c.opt (Wvla): New flag.
10761 * doc/invoke.texi (Wvla): New warning.
10763 2007-03-12 Richard Henderson <rth@redhat.com>
10765 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10766 (TARGET_SECTION_TYPE_FLAGS): New.
10768 2007-03-12 Richard Henderson <rth@redhat.com>
10770 * config/darwin.c (machopic_reloc_rw_mask): New.
10771 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10772 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10774 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10776 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10777 * cppdefault.h (cpp_PREFIX): Document.
10778 (cpp_PREFIX_len): Likewise.
10779 (cpp_EXEC_PREFIX): New variable.
10780 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10781 * c-incpath.c (add_standard_paths): Correct logic for relocating
10782 paths within prefix.
10784 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10786 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10787 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10789 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10790 fix_truncdfdi_sse using SSEMODEF mode macro.
10791 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10792 fix_truncdfsi_sse using SSEMODEF mode macro.
10793 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10794 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10796 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10798 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10799 elfos.h to tm_file.
10801 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10803 * tree.h : Add multiple_of_p declaration.
10804 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10805 * ipa-type-escape.c (results_of_malloc): Redundant.
10806 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10807 (cast_type): Extended with new members.
10808 (check_cast): Returns cast_type.
10809 (cast): New structure for data of walk_use_def_chains.
10810 (is_malloc_result, is_cast_from_non_pointer_1,
10811 is_cast_from_non_pointer,
10812 is_array_access_through_pointer_and_index): New functions.
10813 (look_for_casts): Returns cast types.
10814 (check_call): Returns void.
10815 (okay_pointer_operation): Use support of pointer plus index,
10816 pointer plus constant and allow all multiplications.
10818 2007-03-11 Richard Guenther <rguenther@suse.de>
10820 PR tree-optimization/31115
10821 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10822 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10823 A shift count of zero is not special as with *_DIV_EXPR.
10824 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10827 2007-03-11 Ian Lance Taylor <iant@google.com>
10829 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10830 the *_DIV_EXPR codes correctly with overflow infinities.
10832 2007-03-11 Ira Rosen <irar@il.ibm.com>
10834 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10835 indicate success/failure of the analysis. Add negation to subtrahend
10836 in case of subtraction. Fail if both operands contain constants.
10837 (create_data_ref): Fail if analyze_offset fails.
10839 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10841 * config/i386/i386.md (frndintxf2): Rename to ...
10842 (rintxf2): ... this. Remove expander having same name.
10843 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10844 (roundsf2, rounddf2): Ditto.
10845 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10846 (lround<mode>di2, lround<mode>si2): Ditto.
10848 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10850 * lower-subreg.c: Include except.h.
10851 (decompose_multiword_subregs): Verify that the only control flow
10852 insns we can split are loads to multi-words pseudos.
10853 Handle breaking such blocks after splitting, instead of calling
10854 find_many_sub_basic_blocks.
10856 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10857 on the new basic block. Add a lengthy comment explaining why we
10858 thought this was necessary.
10859 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10861 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10864 * tree.c (walk_type_fields): Recurse into the element type of
10865 ARRAY_TYPEs if there is a pointer set.
10867 2007-03-10 Dirk Mueller <dmueller@suse.de>
10869 * c-common.c (warn_logical_operator): Fix condition.
10871 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10873 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10875 * config/darwin.c (machopic_select_section): Remove superfluous
10876 argument in call to categorize_decl_for_section. Remove unused
10879 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10881 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10883 * configure: Regenerate.
10885 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10888 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10889 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10890 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10891 Add LABEL_NUSES to emitted label.
10892 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10893 branch probability value to emitted jump insn.
10894 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10895 Do not check life information and do not re-arrange input operands
10896 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10898 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10900 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10901 the change of decode_asm_operands.
10903 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10905 * mode-switching.c (create_pre_exit): Skip blockage insn.
10907 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10909 * tree-pass.h (TODO_update_smt_usage): Remove.
10911 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10915 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10917 * pa.c (attr_length_call): Revise condition for long
10918 pc-relative branch.
10919 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
10920 local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
10921 sequence on SOM target.
10923 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10925 * gcc.c: Document %{, in big comment at top.
10926 (input_suffix_matches): Remove special handling for .s and
10928 (input_spec_matches): New.
10929 (handle_braces): Handle %{,.
10930 (validate_switches): ',' indicates a value which is not a switch.
10931 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10932 to detect assembler input.
10933 * config/i386/sol2.h (CPP_SPEC): Likewise.
10934 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10935 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10936 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10937 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10938 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10939 -m64 causes deployment target to default to 10.5.
10940 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10942 2007-03-09 Richard Henderson <rth@redhat.com>
10945 * target.h (targetm.asm.out.reloc_rw_mask): New.
10946 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10947 (TARGET_ASM_OUT): Use it.
10948 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10949 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10950 use the new reloc_rw_mask target hook instead.
10951 (default_section_type_flags_1): Merge into...
10952 (default_section_type_flags): ... here.
10953 (decl_readonly_section_1): Merge into...
10954 (decl_readonly_section): ... here.
10955 (default_elf_select_section_1): Merge into...
10956 (default_elf_select_section): ... here.
10957 (default_unique_section_1): Merge into...
10958 (default_unique_section): ... here.
10959 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10960 (default_select_rtx_section): Use it.
10961 (default_elf_select_rtx_section): Likewise.
10962 * output.h: Update to match.
10963 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10964 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10965 (TARGET_ASM_RELOC_RW_MASK): New.
10966 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10967 to categorize_decl_for_section.
10968 (x86_64_elf_unique_section): Likewise.
10969 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10970 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10971 (TARGET_ASM_RELOC_RW_MASK): New.
10972 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10973 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10974 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10975 (TARGET_RWRELOC): Remove.
10976 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10977 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10978 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10979 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10980 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10981 (rs6000_xcoff_select_section): Use decl_readonly_section.
10982 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10983 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10984 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10985 (TARGET_SECTION_TYPE_FLAGS): Remove.
10986 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10988 2007-03-09 Roger Sayle <roger@eyesopen.com>
10990 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10991 complex constant equality/inequality comparisons for here.
10992 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10993 known at compile-time or can be simplified to a scalar comparison.
10994 (fold_relational_const): Move compile-time evaluation of complex
10995 constant equality/inequality comparisons to here.
10997 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
10999 PR rtl-optimization/30643
11000 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
11002 (fold_rtx): Recurse, like before 2006-11-03.
11004 2007-03-09 DJ Delorie <dj@redhat.com>
11006 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
11009 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
11011 PR tree-optimization/30375
11012 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
11013 LHS of statements is not the same.
11014 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
11016 2007-03-09 Chao-ying Fu <fu@mips.com>
11018 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
11020 * doc/invoke.texi (-mdspr2): Document new option.
11021 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
11022 New unspec for DSP REV 2.
11023 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
11024 these instructions are extended in DSP REV 2.
11025 (mips-dspr2.md): Include.
11026 * config/mips/mips.opt (mdspr2): New option.
11027 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
11028 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
11029 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
11030 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
11031 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
11032 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
11033 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
11035 (bdesc_map): Add one field of unsupported_target_flags.
11036 (bdesc_arrays): Update entries to have extra fields. Add
11038 (mips_init_builtins): Initialize new function types.
11039 Check unsupported_target_fileds to filter out builtins.
11040 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
11042 (ASM_SPEC): Pass mdspr2 to the assembler.
11043 * config/mips/mips-dspr2.md: New file.
11045 2007-03-09 Sa Liu <saliu@de.ibm.com>
11047 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
11049 2007-03-09 Ian Lance Taylor <iant@google.com>
11051 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
11052 argument) like -Wstrict-overflow=2.
11053 * doc/invoke.texi (Warning Options): Update documentation.
11055 2007-03-09 Dirk Mueller <dmueller@suse.de>
11058 * doc/invoke.texi (-Wlogical-op): Document.
11059 * common.opt (-Wlogical-op): New.
11060 * c-common.h (warn_logical_operator): Declare.
11061 * c-common.c (warn_logical_operator): Define.
11062 * c-typeck.c (parser_build_binary_op): Call
11063 warn_logical_operator.
11065 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11067 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
11068 * final.c (final_scan_insn): Test for non-"" file name.
11070 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
11072 * doc/loop.texi: Document the Omega linear constraints solver.
11073 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
11074 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
11075 omega-hash-table-size, omega-max-keys, and
11076 omega-eliminate-redundant-constraints.
11077 * tree-pass.h (pass_check_data_deps): Declared.
11080 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
11081 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
11082 pass_check_data_deps): New.
11083 * tree-data-ref.c (init_data_ref): Remove declaration.
11084 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
11085 (analyze_array): Renamed init_array_ref, move up initializations.
11086 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
11087 Removed arguments that are set to NULL.
11088 (analyze_indirect_ref): Correct indentation, correct call to
11090 (object_analysis): Call init_array_ref instead of analyze_array.
11091 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
11092 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
11093 of DR_ACCESS_FNS_ADDR.
11094 (init_omega_eq_with_af, omega_extract_distance_vectors,
11095 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
11096 ddr_consistent_p): New.
11097 (compute_affine_dependence): Check consistency of ddrs when
11098 flag_check_data_deps is passed.
11099 (analyze_all_data_dependences): Uncomment.
11100 (tree_check_data_deps): New.
11101 * tree-data-ref.h: Include omega.h.
11102 (DR_ACCESS_FNS_ADDR): Removed.
11103 (data_dependence_relation): Add inner_loop.
11104 (DDR_INNER_LOOP): New.
11105 * common.opt (fcheck-data-deps): New.
11106 * tree-flow.h (tree_check_data_deps): Declare.
11107 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
11108 (OBJS-common): Depend on omega.o.
11110 * passes.c (pass_check_data_deps): Scheduled.
11111 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
11112 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
11113 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
11114 PARAM_VECT_MAX_VERSION_CHECKS,
11115 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
11117 2007-03-09 Richard Guenther <rguenther@suse.de>
11119 PR tree-optimization/30904
11120 PR middle-end/31058
11121 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
11122 the same way as *_DIV_EXPR.
11124 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11126 * recog.c (decode_asm_operands): No mixed declarations and code.
11128 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11130 * rtl.def (ASM_INPUT): Add location.
11131 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
11132 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
11133 (decode_asm_operands): Add loc operand.
11134 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
11135 * stmt.c (expand_asm): Rename to...
11136 (expand_asm_loc): ... this. Add locus argument. Pass it on to
11137 gen_rtx_ASM_INPUT_loc.
11138 (expand_asm_expr): Adjust.
11139 * recog.c (decode_asm_operands): Add loc operand.
11140 (check_asm_operands, extract_insn): Adjust.
11141 * reload1.c (maybe_fix_stack_asms): Likewise.
11142 * final.c (asm_insn_count): Likewise.
11143 (final_scan_insn): Output # line before and after asm.
11145 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
11147 * tree-ssa-structalias.c (variable_info): Remove
11149 (new_var_info): Ditto.
11150 (shared_bitmap_info_t): New structure.
11151 (shared_bitmap_table): New variable.
11152 (shared_bitmap_hash): New function.
11153 (shared_bitmap_eq): Ditto
11154 (shared_bitmap_lookup): Ditto.
11155 (shared_bitmap_add): Ditto.
11156 (merge_smts_into): Change to take bitmap directly.
11157 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
11158 (init_alias_vars): Init shared bitmap hashtable.
11159 (delete_points_to_sets): Delete shared bitmap hashtable.
11160 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
11161 is_aliased removal as a change that was still necessary was
11164 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
11166 * config/i386/i386.h (override_options): Conditionally disable
11167 x86_sahf for 64bit targets only.
11169 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
11172 * c-decl.c (merge_decls): Don't call make_var_volatile.
11173 * varasm.c (make_var_volatile): Remove.
11174 * output.h (make_var_volatile): Remove.
11176 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
11178 PR tree-optimization/31085
11179 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
11181 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11183 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
11184 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
11185 ATTR_CONST_NOTHROW_LIST.
11187 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11190 2007-03-08 Diego Novillo <dnovillo@redhat.com>
11192 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
11194 2007-03-08 Geoffrey Keating <geoffk@apple.com>
11197 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
11199 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
11200 passed, use shared libgcc.
11202 2007-03-08 Roger Sayle <roger@eyesopen.com>
11204 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
11205 instead of calling build2 with a GIMPLE_MODIFY_STMT.
11206 (honor_protect_cleanup_actions, lower_try_finally_switch):
11208 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
11209 ifc_temp_var): Likewise.
11210 * tree-inline.c (setup_one_parameter): Likewise.
11211 * tree-mudflap.c (mf_decl_cache_locals,
11212 mf_build_check_statement_for): Likewise.
11213 * tree-nested.c (init_tmp_var, save_tmp_var,
11214 finalize_nesting_tree_1): Likewise.
11215 * tree-outof-ssa.c (insert_copy_on_edge,
11216 insert_backedge_copies): Likewise.
11217 * tree-profile.c (tree_gen_edge_profiler,
11218 tree_gen_ic_profiler): Likewise.
11219 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11220 * tree-sra.c (sra_build_assignment): Likewise.
11221 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
11222 * tree-ssa-math-opts.c (insert_reciprocals,
11223 execute_cse_sincos_1): Likewise.
11224 * tree-tailcall.c (adjust_accumulator_values,
11225 adjust_return_value): Likewise.
11226 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
11227 * tree-vect-transform.c (vect_create_data_ref_ptr,
11228 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
11229 vect_create_epilog_for_reduction, vectorizable_reduction,
11230 vectorizable_call, vectorizable_conversion,
11231 vectorizable_assignment, vectorizable_operation,
11232 vectorizable_type_demotion, vect_gen_widened_results_half,
11233 vect_permute_store_chain, vectorizable_store,
11234 vect_setup_realignment, vect_permute_load_chain,
11235 vectorizable_load, vectorizable_condition,
11236 vect_create_cond_for_align_checks): Likewise.
11237 * tree-vrp.c (build_assert_expr_for): Likewise.
11239 2007-03-08 Ian Lance Taylor <iant@google.com>
11241 * tree-vrp.c: Include "intl.h".
11242 (usable_range_p): New static function.
11243 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
11244 overflowed values, juts set *strict_overflow_p.
11245 (compare_values): Only return -2 if one of the operands is not a
11247 (compare_ranges): Call usable_range_p.
11248 (compare_range_with_value): Likewise.
11249 (vrp_evaluate_conditional_warnv): Rename from
11250 vrp_evaluate_conditional. Make static. Change all callers.
11251 (vrp_evaluate_conditional): New function.
11252 (simplify_div_or_mod_using_ranges): Issue warning about reliance
11253 on signed overflow.
11254 (simplify_abs_using_ranges): Likewise.
11255 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
11256 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
11257 within_stmt parameter.
11258 * tree-ssa-propagate.c (fold_predicate_in): Update call to
11259 vrp_evaluate_conditional.
11260 * tree-ssa-threadedge.c
11261 (record_temporary_equivalences_from_stmts_at_dest): Change
11262 simplify parameter to take a second tree parameter.
11263 (simplify_control_stmt_condition): Likewise.
11264 (thread_across_edge): Likewise.
11265 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11266 (thread_across_edge): Likewise.
11267 * Makefile.in (tree-vrp.o): Depend upon intl.h.
11269 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
11271 * config/i386/i386.h (TARGET_SAHF): New define.
11272 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
11273 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
11274 (x86_sahf): New global variable.
11275 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
11276 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
11277 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
11278 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
11280 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
11281 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
11282 when expanding fcomi/sahf based tests.
11283 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
11284 expanding sahf based alternative. Emit sahf based sequence when
11285 optimizing for code size.
11286 * config/i386/i386.md (x86_sahf_1): Do not disable for
11287 TARGET_64BIT, enable for TARGET_SAHF.
11289 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
11291 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
11292 spurious whitespace from error message.
11294 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
11297 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
11299 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
11301 * c-decl.c (grokdeclarator): Disable warnings for anonymous
11303 * tree-sra.c (instantiate_element): Propagate disabled warnings
11304 from the element itself to the created variable.
11306 2007-03-07 Richard Henderson <rth@redhat.com>
11309 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
11310 silently fix up the stack in the case of a missing register.
11312 2007-03-07 Paul Brook <paul@codesourcery.com>
11314 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
11316 2007-03-07 Joseph Myers <joseph@codesourcery.com>
11318 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
11320 (phase1_vrs): Use them.
11321 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
11322 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
11323 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
11324 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
11325 __gnu_Unwind_Restore_WMMXC if required.
11326 (_Unwind_VRS_Pop): Implement iWMMXt support.
11327 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
11328 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
11329 gnu_Unwind_Save_WMMXC): Define.
11331 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11333 * config/vxworks.h (vxworks_override_options): Declare.
11334 (VXWORKS_OVERRIDE_OPTIONS): Use it.
11335 * config/vxworks.c: Include target.h and toplev.h.
11336 (vxworks_override_options): New function.
11337 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
11339 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
11341 * config/s390/s390.c (override_options): Don't emit an error when
11342 -mstack-size is used without providing -mstack-guard.
11343 (s390_emit_prologue): Choose stack_guard value automatically if not
11344 provided via command line.
11345 * doc/invoke.texi: Adjust description of -mstack-guard and
11348 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11350 * config/i386/i386.c (output_set_got): Add a GOT initialization
11351 sequence for VxWorks PIC.
11352 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
11353 around labels as well as symbols. Use gotoff_operand instead
11354 of local_symbolic_operand.
11355 (legitimize_pic_address): Use gotoff_operand instead of
11356 local_symbolic_operand. Use @GOT accesses for labels as
11358 (ix86_output_addr_diff_elt): Use PC-relative rather than
11359 GP-relative offsets for VxWorks PIC.
11360 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
11361 no_new_pseudos. Check whether the returned register is op0.
11362 * config/i386/i386.md (tablejump): Use PC-relative rather than
11363 GP-relative offsets for VxWorks PIC.
11364 * config/i386/predicates.md (gotoff_operand): New predicate.
11366 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11368 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
11370 * config/vxworks-dummy.h: New file.
11371 * config/i386/i386.h: Include it.
11373 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
11375 * dwarf2out.c (is_inlined_entry_point): New
11376 (add_high_low_attributes): Emit DW_AT_entry_pc along with
11377 DW_AT_ranges if the first subblock is the entry point.
11379 2007-03-06 David Daney <ddaney@avtrex.com>
11381 * doc/install.texi (mips-*-*): Change recommended binutils
11384 2007-03-06 Anatoly Sokolov <aesok@post.ru>
11386 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
11387 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
11389 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11390 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11392 2007-03-06 Jan Hubicka <jh@suse.cz>
11394 * errors.h (warning, error, fatal, internal_error): Mark as cold.
11395 * predict.c (maybe_hot_bb): Cold functions are never hot; hot
11397 (probably_cold_bb_p): Cold functions are cold.
11398 (probably_never_executed_bb_p): Cold functions are cold.
11399 (tree_bb_level_predictions): Predict calls to cold functions as not
11401 (compute_function_frequency): Check hot/cold attributes.
11402 * function.h (function_frequency): Update comments.
11403 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
11404 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
11405 (c_common_att): Add cold and hot.
11407 * doc/extend.texi (hot,cold attributes): Document.
11409 2007-03-06 Andrew Haley <aph@redhat.com>
11411 * function.c (expand_function_end): Move blockage to just after we
11412 emit the label for the naked return from the function.
11414 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11416 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
11419 2007-03-06 Jan Hubicka <jh@suse.cz>
11421 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
11422 loaded for constant large models. Non-large 64bit PIC can do.
11423 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
11424 * cmodel.h: Add LARGE PIC.
11425 * i386.md (UNSPEC_PLTOFF): New.
11426 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
11428 (*call_1_rex64): Disable for large models.
11429 (*call_1_rex64_large): New.
11430 (*call_value_1_rex64): Disable for large models.
11431 (*call_value_1_rex64_large): New.
11432 (set_rip_rex4): New.
11433 (set_got_offset_rex64): New.
11434 * predicates.md (constant_call_address_operand): For large model
11435 constant calls are not possible.
11436 * i386-protos.h (construct_plt_address): Declare.
11437 * i386.c (override_options): Accept large models.
11438 (ix86_expand_prologue): Expand large PIC GOT pointer load.
11439 (legitimate_constant_p): Add new UNSPECs.
11440 (legitimate_pic_operand_p): Likewise.
11441 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
11442 (legitimize_pic_address): Do easy RIP relative way for TLS only for
11444 (output_pic_addr_const): Add PLTOFF.
11445 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
11446 (ix86_expand_move): Legitimize pic address when in PIC mode.
11447 (construct_plt_address): New function.
11448 (ix86_expand_call): Offload the address to register and use GOT
11449 pointer for large model.
11450 * invoke.texi (mcmodel=large): Update documentation.
11452 2007-03-06 Richard Henderson <rth@redhat.com>
11454 * config/i386/i386.c (x86_use_leave, x86_push_memory,
11455 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
11456 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
11457 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
11458 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
11459 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
11460 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
11461 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
11462 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
11463 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11464 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11465 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
11466 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11467 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11468 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
11469 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
11470 x86_schedule, x86_use_bt, x86_pad_returns,
11471 x86_use_xchgb): Merge into ...
11472 (ix86_tune_features): ... here. New array.
11473 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11474 x86_bswap): Merge into ...
11475 (ix86_arch_features): ... here. New array.
11476 (x86_3dnow_a): Remove.
11477 (x86_accumulate_outgoing_args): Make static.
11478 (x86_arch_always_fancy_math_387): Make static.
11479 (ix86_tune_mask, ix86_arch_mask): Move ...
11480 (override_options): ... to local variables here. Apply the
11481 appropriate mask to each element of ix86_arch_features and
11482 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
11483 as were done in the old macros.
11484 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
11485 * config/i386/i386.h (x86_use_leave, x86_push_memory,
11486 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
11487 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
11488 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
11489 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
11490 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
11491 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
11492 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
11493 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
11494 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
11495 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11496 x86_accumulate_outgoing_args, x86_prologue_using_move,
11497 x86_epilogue_using_move, x86_decompose_lea,
11498 x86_arch_always_fancy_math_387, x86_shift1,
11499 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11500 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11501 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
11502 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11503 x86_use_incdec, x86_pad_returns, x86_bswap,
11504 x86_partial_flag_reg_stall): Remove.
11505 (enum ix86_tune_indices): New.
11506 (ix86_tune_features): New.
11507 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
11508 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
11509 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
11510 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
11511 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
11512 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
11513 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
11514 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
11515 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
11516 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
11517 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
11518 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
11519 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
11520 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
11521 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
11522 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
11523 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
11524 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
11525 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
11526 TARGET_EXT_80387_CONSTANTS): Use it.
11527 (enum ix86_arch_indices): New.
11528 (ix86_arch_features): New.
11529 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
11530 TARGET_BSWAP): Use it.
11531 (ix86_tune_mask, ix86_arch_mask): Remove.
11533 2007-03-06 Joseph Myers <joseph@codesourcery.com>
11536 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
11537 Define using $${sysroot_headers_suffix}.
11538 * configure: Regenerate.
11539 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
11540 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
11542 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
11543 * gcc.c (print_sysroot_headers_suffix): New.
11544 (option_map): Include --print-sysroot-headers-suffix.
11545 (display_help): Mention -print-sysroot-headers-suffix.
11546 (process_command): Handle -print-sysroot-headers-suffix.
11547 (do_spec_1): Append multilib directory to include-fixed path if
11548 sysroot suffixes in use.
11549 (main): Handle -print-sysroot-headers-suffix.
11550 * Makefile.in (start.encap): Don't depend on xlimits.h
11551 (xlimits.h): Remove.
11552 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
11553 limits.h for each multilib in fixinc_list.
11554 (fixinc_list, s-fixinc_list): New.
11555 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
11556 generate them for each multilib in fixinc_list.
11557 (stmp-fixproto): Use include-fixed. Run fixproto for each
11558 multilib in fixinc_list.
11559 (mostlyclean): Don't remove xlimits.h.
11560 (clean): Remove include-fixed.
11561 (real-install-headers-tar, real-install-headers-cpio,
11562 real-install-headers-cp): Don't copy include, only include-fixed.
11563 (install-mkheaders): Depend on fixinc_list. Don't depend on
11564 xlimits.h. Save limits.h files for each multilib in fixinc_list.
11565 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
11566 SYSTEM_HEADER_DIR setting in mkheaders.conf.
11568 2007-03-06 Jan Hubicka <jh@suse.cz>
11570 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
11573 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11575 * configure.ac: Allow tm_file to contain build-directory files.
11576 * configure: Regenerate.
11577 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
11578 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
11579 * config/m68k/print-sysroot-suffix.sh: New file.
11581 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11583 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
11584 of pic_offset_table_rtx if reload_completed.
11585 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
11586 PIC_OFFSET_TABLE_REGNUM.
11587 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
11589 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
11590 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
11592 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11594 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11595 functions that call eh_return.
11597 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11599 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11600 functions that need a constant pool.
11602 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11605 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
11606 (m68k_preferred_reload_class): Likewise.
11607 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
11608 (SECONDARY_RELOAD_CLASS): Define.
11609 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
11610 (LIMIT_RELOAD_CLASS): Delete.
11611 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
11612 registers from storing bytes.
11613 (m68k_secondary_reload_class): New function.
11614 (m68k_preferred_reload_class): Likewise.
11616 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11618 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
11620 (m68k_expand_prologue): Likewise.
11622 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11624 * config/m68k/m68k-protos.h (output_sibcall): Declare.
11625 (mips_expand_epilogue): Add a bool parameter.
11626 (m68k_legitimize_sibcall_address): Declare.
11627 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
11628 (m68k_expand_epilogue): Add a parameter to select between sibling
11629 and normal epilogues. Only generate a return for the latter.
11630 (m68k_ok_for_sibcall_p): New function.
11631 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
11632 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
11633 (sibcall_value, *sibcall_value): Likewise.
11634 (*call, *call_value): Require !SIBLING_CALL_P.
11635 (epilogue): Update call to m68k_expand_epilogue.
11636 (sibcall_epilogue): New pattern.
11637 * config/m68k/predicates.md (const_call_operand): Say that this
11638 predicate applies to sibling calls too.
11639 (sibcall_operand): New predicate.
11641 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11643 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
11644 alternatives as movsi_cf.
11645 (movsf_cf_hard): Add commentary.
11647 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
11648 Richard Sandiford <richard@codesourcery.com>
11650 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11651 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
11652 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
11653 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
11654 as being live on exit from an interrupt function.
11655 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
11656 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
11657 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
11658 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
11659 (m68k_interrupt_function_p): Globalize.
11660 (m68k_compute_frame_layout): Remove reverse mask code.
11661 (m68k_emit_movem, m68k_set_frame_related): New functions.
11662 (m68k_output_function_prologue): Delete in favor of...
11663 (m68k_expand_prologue): ...this new function.
11664 (m68k_output_function_epilogue): Delete in favor of...
11665 (m68k_expand_epilogue): ...this new function.
11666 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
11668 (print_operand): Handle %?.
11669 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
11670 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
11671 (prologue, epilogue): New patterns.
11672 (return): Turn into a define_expand.
11673 (*return): New pattern, derived from old "return" pattern. Use rte
11674 rather than rts for interrupt functions. Only use rtd if the pop
11676 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
11677 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11678 (link, *link, unlink, *unlink, load_got): Likewise.
11680 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11684 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11685 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11686 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11687 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11688 and m68k_matches_u_p.
11689 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11690 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11691 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11692 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11693 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11694 (REG_STRICT_P): New macro.
11695 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11696 PCREL_GENERAL_OPERAND_OK.
11697 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11698 m68k_legitimate_base_reg_p.
11699 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11700 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11701 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11702 * config/m68k/m68k.c (m68k_address): New structure.
11703 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11704 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11705 (m68k_jump_table_ref_p, m68k_decompose_address)
11706 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11707 (m68k_matches_u_p): New functions.
11708 (print_operand_address): Rewrite to use m68k_decompose_index.
11710 2007-03-05 David Taylor <dtaylor@emc.com>
11712 * gcc.c: Correct copyright date in --version output.
11714 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11716 * pa.md: In unamed move patterns, disparge copies between general
11717 and floating point registers using '?' modifier. Don't include 'f'
11718 constraint for register preferences in DImode, SImode, HImode and
11719 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11720 Remove constraints for copies between general and floating registers
11721 in soft-float DFmode pattern.
11722 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11726 2007-03-05 Mike Stump <mrs@apple.com>
11728 * c-common.c (targetcm): Add.
11729 * c-opts.c (c_common_handle_option): Handle language specific
11731 * opts.c (handle_option): Verify language for target options, if
11733 * opth-gen.awk: Add CL_LANG_ALL.
11734 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11735 (TARGETCM_INITIALIZER): Add.
11736 * target.h (struct gcc_targetcm): Add.
11738 * targhooks.c (default_handle_c_option): Add.
11739 * targhooks.h (default_handle_c_option): Add.
11740 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11742 * config/darwin.opt (iframework): Add.
11743 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11744 * config/darwin-c.c (handle_c_option): Add.
11745 (TARGET_HANDLE_C_OPTION): Add.
11747 * doc/invoke.texi (Darwin Options): Add -iframework.
11749 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11751 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11754 2007-03-05 Ian Lance Taylor <iant@google.com>
11756 * c.opt (fgnu89-inline): New option.
11757 * c-opts.c (c_common_post_options): Set default value for
11759 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11760 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11762 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11763 (grokdeclarator, start_function): Likewise.
11764 * c-cppbuiltin.c (c_cpp_builtins): Define either
11765 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11766 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11767 (C Dialect Options): Document -fgnu89-inline.
11768 * doc/extend.texi (Function Attributes): Explain what the
11769 gnu_inline attribute does.
11770 * doc/cpp.texi (Common Predefined Macros): Document
11771 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11773 2007-03-05 Ian Lance Taylor <iant@google.com>
11775 PR tree-optimization/31034
11776 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11777 half-range if the other side is an overflow infinity.
11779 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11781 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11782 (bfin*-linux-uclibc*): New configuration.
11783 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11785 * config/bfin/linux.h: New file.
11786 * config/bfin/libgcc-bfin.ver: New file.
11787 * config/bfin/t-bfin-uclinux: New file.
11788 * config/bfin/t-bfin-linux: New file.
11789 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11790 (TARGET_OS_CPP_BUILTINS): New macro.
11792 2007-03-05 Richard Guenther <rguenther@suse.de>
11794 * fold-const.c (fold_binary): Remove duplicate folding
11795 of comparison of non-null ADDR_EXPR against null.
11797 2007-03-05 Richard Guenther <rguenther@suse.de>
11798 Dorit Nuzman <dorit@il.ibm.com>
11800 PR tree-optimization/26420
11801 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11802 are no loops in the function. Only print the number of
11803 vectorized loops if it is greater than zero or we are supposed
11804 to print information about unvectorized loops.
11806 2007-03-05 Revital Eres <eres@il.ibm.com>
11808 * gcc.dg/var-expand1.c: New test.
11809 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11810 when an accumulator is expanded.
11812 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11815 * c-common.c (convert_and_check): Don't give warnings for
11816 conversion if 'expr' already overflowed.
11818 2007-03-04 Roger Sayle <roger@eyesopen.com>
11820 PR middle-end/30744
11821 * fold-const.c (fold_comparison): Enforce type consistency when
11822 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11824 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11826 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11827 containing a cast to the base of TARGET_MEM_REF.
11829 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11831 * tree.c (tree_contains_struct_check_failed): Remove spurious
11832 whitespace from error message.
11834 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11837 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11838 instead of precision.
11840 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11841 Nathan Sidwell <nathan@codesourcery.com>
11843 * emit-rtl.c (find_auto_inc): New.
11844 (try_split): recreate REG_INC notes,
11845 Use regular for loops rather than whiles.
11847 2007-03-03 Andreas Schwab <schwab@suse.de>
11849 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11850 * configure: Regenerate.
11852 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11854 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11855 flag_rounding_math, not flag_unsafe_math_optimizations.
11857 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11859 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11860 alpha_fold_vector_minmax): Likewise.
11861 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11862 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11864 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11866 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11867 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11868 if the lhs has side-effects.
11869 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11871 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11873 * config/i386/i386.h (TUNEMASK): Remove define.
11874 (ARCHMASK): Remove define.
11875 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11876 Use ix86_arch_mask variable instead of ARCHMASK.
11877 * config/i386/i386.c (override_options): Ditto.
11878 (standard_80387_constant_p): Ditto.
11880 2007-03-02 Ian Lance Taylor <iant@google.com>
11882 Used signed infinities in VRP.
11883 * tree-vrp.c (uses_overflow_infinity): New static function.
11884 (supports_overflow_infinity): New static function.
11885 (make_overflow_infinity): New static function.
11886 (negative_overflow_infinity): New static function.
11887 (positive_overflow_infinity): New static function.
11888 (is_negative_overflow_infinity): New static function.
11889 (is_positive_overflow_infinity): New static function.
11890 (is_overflow_infinity): New static function.
11891 (overflow_infinity_range_p): New static function.
11892 (compare_values_warnv): New function split out of compare_values.
11893 (compare_value): Call it.
11894 (set_value_range_to_nonnegative): Add overflow_infinity
11895 parameter. Change caller.
11896 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11898 (vrp_expr_computes_nonzero): Likewise.
11899 (compare_ranges, compare_range_with_value): Likewise.
11900 (compare_name_with_value, compare_names): Likewise.
11901 (vrp_evaluate_conditional): Likewise.
11902 (set_value_range): Handle infinity
11903 (vrp_operand_equal_p, operand_less_p): Likewise.
11904 (extract_range_from_assert): Likewise.
11905 (vrp_int_const_binop): Likewise.
11906 (extract_range_from_binary_expr): Likewise.
11907 (extract_range_from_unary_expr): Likewise.
11908 (extract_range_from_comparison): Likewise.
11909 (extract_range_from_expr): Likewise.
11910 (dump_value_range): Likewise.
11911 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11912 (test_for_singularity): Likewise.
11913 (vrp_int_const_binop): Remove inline qualifier.
11914 (adjust_range_with_scev): Add comment.
11915 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11917 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11919 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11920 (get_constraint_for): Likewise.
11921 (do_structure_copy): Likewise.
11922 (find_func_aliases): Fix references to MODIFY_EXPR.
11923 (intra_create_variable_infos): Tidy.
11924 * tree-ssa-operands.c (add_virtual_operand): Add argument
11926 When adding members of alias sets, if IS_CALL_SITE is true and
11927 the symbol is not call-clobbered, skip it.
11928 Adjust all callers.
11930 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11932 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11933 entry by means of emit_insn_at_entry.
11935 2007-03-02 Richard Henderson <rth@redhat.com>
11937 * expr.h (promoted_input_arg): Remove decl.
11938 * function.c (promoted_input_arg): Merge into ...
11939 * combine.c (setup_incoming_promotions): ... only caller.
11940 Rearrange to avoid double loop.
11942 2007-03-02 Ben Elliston <bje@au.ibm.com>
11943 Peter Bergner <bergner@vnet.ibm.com>
11944 Janis Johnson <janis187@us.ibm.com>
11946 * config/rs6000/dfp.md: New file.
11947 * config/rs6000/rs6000.md: Include dfp.md.
11948 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11949 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11950 and TDmode decimal float modes in FP registers.
11951 (num_insns_constant): Likewise.
11952 (rs6000_legitimate_offset_address_p): Likewise.
11953 (rs6000_legitimize_address): Likewise.
11954 (rs6000_legitimize_reload_address): Likewise.
11955 (rs6000_legitimate_address): Likewise.
11956 (rs6000_emit_move): Likewise.
11957 (function_arg_boundary): Likewise.
11958 (function_arg_advance): Likewise.
11959 (rs6000_darwin64_record_arg_recurse): Likewise.
11960 (function_arg): Likewise.
11961 (rs6000_gimplify_va_arg): Likewise.
11962 (rs6000_split_multireg_move): Likewise.
11963 (rs6000_output_function_epilogue): Likewise.
11964 (rs6000_output_function_epilogue): Likewise.
11965 (rs6000_register_move_cost): Likewise.
11966 (rs6000_function_value): Likewise.
11967 (rs6000_libcall_value): Likewise.
11969 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11971 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11973 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11975 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11976 Use $MULTIDIR to choose between the kernel and RTP headers,
11977 and use $WIND_BASE and $WIND_USR to locate them.
11979 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11981 * config/i386/i386.c (override_options): Put initialization of
11982 ix86_tune_mask and ix86_arch_mask to the correct place.
11984 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11985 Michael Meissner <michael.meissner@amd.com>
11988 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11989 (ARCHMASK): Define.
11990 (TARGET_CMOVE): Use ARCHMASK.
11991 (TARGET_CMPXCHG): Ditto.
11992 (TARGET_CMPXCHG8B): Ditto.
11993 (TARGET_XADD): Ditto.
11994 (TARGET_BSWAP): Ditto.
11995 * config/i386/i386.c (ix86_tune_mask): New global variable.
11996 (ix86_arch_mask): Ditto.
11997 (override_options): Initialize ix86_tune_mask and
11998 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
12001 2007-03-02 Ben Elliston <bje@au.ibm.com>
12004 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
12006 2007-03-02 Joseph Myers <joseph@codesourcery.com>
12008 * target.h (init_dwarf_reg_sizes_extra): New target hook.
12009 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
12010 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
12011 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
12013 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
12014 rs6000_init_dwarf_reg_sizes_extra): New.
12015 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
12016 SPE register high parts.
12018 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
12020 * Makefile.in: Add install-pdf target as
12021 copied from automake v1.10 rules.
12022 * configure.ac: Add install-pdf to target list.
12023 * configure: Regenerate.
12025 2007-03-01 Paul Brook <paul@codesourcery.com>
12027 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
12028 modes to LDRD for DImode.
12029 (output_move_double): Fixup out of range ldrd/strd.
12030 (vfp_secondary_reload_class): Rename...
12031 (coproc_secondary_reload_class): ... to this. Add wb argument.
12032 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
12033 coproc_secondary_reload_class for CLASS_IWMMXT.
12034 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
12035 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
12037 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
12039 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
12040 unroll factor by the estimated number of iterations.
12041 (loop_prefetch_arrays): Do not prefetch in loops that iterate less
12042 than prefetch latency.
12044 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
12045 decode_caches_intel, detect_caches_intel): New functions.
12046 (host_detect_local_cpu): Use detect_caches_amd and
12047 detect_caches_intel.
12049 2007-03-01 Richard Henderson <rth@redhat.com>
12051 * expr.c (emit_move_complex_push): Export.
12052 (emit_move_complex_parts): Split out from ...
12053 (emit_move_complex): ... here.
12054 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
12055 * config/i386/i386.md (movcdi): New.
12057 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
12059 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
12060 size of mode1 to check for tieable modes in MMX case.
12062 2007-03-01 Richard Sandiford <richard@codesourcery.com>
12064 * Makefile.in (rtlanal.o): Depend on tree.h.
12065 * rtl.h (offset_within_section_p, split_const): Declare.
12066 * rtlanal.c: Include tree.h.
12067 (offset_within_block_p): New function, taken from
12068 mips_offset_within_object_p.
12069 (split_const): New function, taken from mips_split_const.
12070 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
12072 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
12073 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
12074 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
12075 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12076 (m68k_illegitimate_symbolic_constant_p): New function.
12077 * config/m68k/m68k.md (movsi): Remove misleading predicates.
12078 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
12079 symbolic constant that might be outside the symbol's section,
12080 move the symbol first and then add the offset.
12081 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
12083 * config/mips/mips.c (mips_split_const): Delete.
12084 (mips_offset_within_object_p): Delete.
12085 (mips_symbolic_constant_p): Use offset_within_section_p and
12086 split_const instead of mips_offset_within_object_p and
12088 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
12089 (mips_legitimize_const_move, print_operand_reloc)
12090 (mips_dangerous_for_la25_p): Use split_const instead of
12093 2007-02-28 Eric Christopher <echristo@apple.com>
12095 * Makefile.in (install-include-dir): Don't rm -rf include.
12097 2007-02-28 Richard Guenther <rguenther@suse.de>
12099 PR middle-end/30364
12100 * fold-const.c (fold_binary): Do not associate expressions
12101 with more than one variable for integer types that do not wrap.
12103 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
12105 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
12106 Delete, and replace with...
12107 (fold_builtin_call_array): This. Update callers to use it.
12108 * fold-const.c (fold_build_call_list): Delete, and replace with...
12109 (fold_build_call_array): This.
12110 (fold_build_call_list_initializer): Delete, and replace with...
12111 (fold_build_call_array_initializer): This.
12112 * tree.h: Update declarations to reflect above changes.
12114 * c-typeck.c (build_function_call): Store converted arguments
12115 in a stack-allocated array instead of building a list.
12116 (convert_arguments): Store arguments in the array passed in as an
12117 argument, and return the actual number of arguments.
12118 * c-format.c: (check_function_format): Pass arguments in an
12119 array instead of a list.
12120 * c-common.c (check_function_nonnull): Likewise.
12121 (check_function_sentinel): Likewise.
12122 (check_function_arguments): Likewise.
12123 * c-common.h: Update declarations to reflect above changes.
12125 2007-02-28 Jan Hubicka <jh@suse.cz>
12127 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
12128 PRED_NEGATIVE_RETURN): Update outcomes.
12130 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
12132 * calls.c (emit_library_call_value_1): Handle partial registers
12133 correctly when building up CALL_INSN_FUNCTION_USAGE.
12135 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12137 * pa/predicates.md (move_src_operand): Allow zero for mode.
12138 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
12141 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
12144 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
12145 *movv2df_internal): Enable pattern only for valid operand
12147 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
12148 tie only 128bit modes. For MMX registers, tie only 64bit modes.
12150 2007-02-27 Mike Stump <mrs@apple.com>
12152 * config/darwin-crt3.c: Avoid compilation when compiling for a
12155 2007-02-27 Joseph Myers <joseph@codesourcery.com>
12157 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
12159 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
12160 for fixed headers and limits.h.
12161 (install-include-dir, install-headers-tar, install-headers-cpio,
12162 install-headers-cp, real-install-headers-tar,
12163 real-install-headers-cpio, real-install-headers-cp): Handle
12164 include-fixed as well as include.
12165 (install-mkheaders): Don't install files that go only in include
12167 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
12168 from GCC_INCLUDE_DIR.
12169 * gcc.c (process_command): Remove special -BstageN/ handling.
12170 (do_spec_1): Add include-fixed directories.
12172 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12174 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
12176 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
12178 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
12181 2007-02-27 Mark Mitchell <mark@codesourcery.com>
12183 * c-common.c (get_priority): Add check for
12184 SUPPORTS_INIT_PRIORITY.
12186 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12188 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
12190 * config/bfin/bfin.c: Include "cfglayout.h".
12191 (MAX_LSETUP_DISTANCE): New macro.
12192 (struct loop_info): New members incoming, incoming_src and
12193 incoming_dest. Delete member predecessor.
12194 (length_for_loop): New function.
12195 (bfin_optimize_loop): Handle more different loop structures.
12196 (bfin_discover_loop): Rework detection of predecessor blocks by
12197 examining incoming edges.
12198 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
12200 (bfin_reorder_loops): New function.
12201 (bfin_reorg_loops): Use these three new functions.
12203 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
12204 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
12205 (CONSTRAINT_LEN): Add entry for 'q'.
12206 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
12207 Add 'q' constraints.
12208 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
12209 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
12211 * config/bfin/bfin.md (add_with_carry): New pattern.
12212 (s_or_u, su_optab, su_modifier): New code macros/attrs.
12213 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
12214 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
12215 support unsigned multiplies too. Removed incorrect commutativity from
12216 operand 1 constraint where appropriate.
12217 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
12219 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
12220 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
12222 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
12223 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
12224 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
12225 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
12226 usmulhisi_hh_huh): New patterns.
12228 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
12229 lshifthi3): Fix output template to use half reg for operand 2.
12231 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
12234 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
12236 2007-02-27 Andreas Schwab <schwab@suse.de>
12238 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
12240 2007-02-27 Jan Hubicka <jh@suse.cz>
12242 * predict.c (last_basic_block_p): Remove.
12243 (tree_estimate_probability): Update return heuristic for commonized
12246 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
12248 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
12250 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
12252 * doc/include/gcc-common.texi (versionsubtitle): New macro.
12253 * doc/cpp.texi: Standardize title page.
12254 * doc/cppinternals.texi: Likewise.
12255 * doc/gcc.texi: Standardize title page, remove version number
12256 from copyright page.
12257 * doc/gccint.texi: Likewise.
12258 * doc/install.texi: Standardize title page, add table of
12261 2007-02-26 Jan Hubicka <jh@suse.cz>
12263 * predict.def: Set outcomes according to more recent results.
12264 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
12265 Remove dead predictors.
12266 * predict.c (return_prediction): Fix pasto.
12268 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12270 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
12271 change; avoid a memory leak when returning early.
12273 2007-02-26 Mark Mitchell <mark@codesourcery.com>
12275 * c-decl.c (static_ctors): Move to c-common.c.
12276 (static_dtors): Likewise.
12277 (finish_function): Use c_record_cdtor_fn.
12278 (build_cdtor): Move to c-common.c.
12279 (c_write_global_declarations): Use c_build_cdtor_fns.
12280 * c-common.h (static_ctors): Declare.
12281 (static_dtors): Likewise.
12282 (c_record_cdtor_fn): Likewise.
12283 (c_build_cdtor_fns): Likewise.
12284 * c-common.c (static_ctors): New variable.
12285 (static_dtors): Likewise.
12286 (c_record_cdtor_fn): New function.
12287 (build_cdtor): Move from c-decl.c
12288 (c_build_cdtor_fns): New function.
12290 * output.h (assemble_addr_to_section): Declare.
12291 (get_cdtor_priority_section): Likewise.
12292 * varasm.c (assemble_addr_to_section): New function.
12293 (get_cdtor_priority_section): Likewise.
12294 (default_named_section_asm_out_destructor): Use them.
12295 (destor_dtor_section_asm_out_destructor): Likewise.
12296 (default_named_section_asm_out_constructor): Likewise.
12297 (default_ctor_section_asm_out_constructor): Likewise.
12298 * config.gcc (*-*-vxworks*): Include vxworks.o.
12299 * config/t-vxworks (vxworks.o): New target.
12300 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
12301 (TARGET_ASM_CONSTRUCTOR): Define.
12302 (TARGET_ASM_DESTRUCTOR): Likewise.
12303 (vxworks_asm_out_constructor): Declare.
12304 (vxworks_asm_out_destructor): Likewise.
12306 * c-common.c (get_priority): Check that we have not just an
12307 INTEGER_CST, but an integer constant with integeral type.
12309 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
12311 PR tree-optimization/30938
12312 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
12313 use &dt[nargs-1] instead of &dt[nargs] in the call to
12314 vect_is_simple_use().
12316 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
12318 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
12319 from register elimination as PRE_MODIFY / POST_MODIFY increments.
12320 Do not attempt to handle MEM inside auto-inc expressions.
12321 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
12322 of a register modified by an auto-inc expression. However, do handle
12323 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
12324 (elimination_effects): Prohibit elimination of a register modified
12325 by an auto-inc expression. Disable register elimination rules whose
12326 target register is modified by an auto-inc expression with variable
12329 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
12331 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
12333 (array_at_struct_end_p): New function.
12334 (idx_infer_loop_bounds): Use it.
12335 (estimate_numbers_of_iterations_loop): Export.
12336 * predict.c (predict_loops): Use estimated_loop_iterations_int.
12337 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
12338 (tree_estimate_probability): Call record_loop_exits.
12339 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
12340 (estimated_loop_iterations, estimated_loop_iterations_int,
12341 estimated_loop_iterations_tree): New functions.
12342 (analyze_siv_subscript_cst_affine,
12343 compute_overlap_steps_for_affine_1_2,
12344 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
12345 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
12346 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
12347 (PRED_LOOP_ITERATIONS_GUESSED): New.
12348 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
12349 * cfgloop.h (estimate_numbers_of_iterations_loop,
12350 estimated_loop_iterations_int): Declare.
12352 2007-02-25 Mark Mitchell <mark@codesourcery.com>
12354 * doc/extend.texi: Document optional priority argument to
12355 constructors and destructors.
12356 * tree.c (init_priority_for_decl): Adjust GTY markers.
12357 (init_ttree): Use priority-info hash functions for
12358 init_priority_for_decl.
12359 (tree_map_eq): Rename to ...
12360 (tree_map_base_eq): ... this.
12361 (tree_map_marked_p): Rename to ...
12362 (tree_map_base_marked_p): ... this.
12363 (tree_map_base_hash): New function.
12364 (decl_init_priority_lookup): Rework.
12365 (decl_fini_priority_lookup): New function.
12366 (decl_priority_info): New function.
12367 (decl_init_priority_insert): Use it.
12368 (decl_fini_priority_insert): Likewise.
12369 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
12371 (decl_restrict_base_insert): Likewise.
12372 (decl_debug_expr_insert): Likewise.
12373 (decl_value_expr_lookup): Likewise.
12374 (decl_value_expr_insert): Likewise.
12375 * tree.h (priority_type): New type.
12376 (decl_init_priority_lookup): Use priority_type.
12377 (decl_fini_priority_lookup): New function.
12378 (decl_init_priority_insert): Use priority_type.
12379 (decl_fini_priority_insert): New function.
12380 (DECL_HAS_INIT_PRIORITY): Tweak comments.
12381 (DECL_INIT_PRIORITY): Likewise.
12382 (SET_DECL_INIT_PRIORITY): Add comment.
12383 (DECL_FINI_PRIORITY): New macro.
12384 (SET_DECL_FINI_PRIORITY): Likewise.
12385 (DEFAULT_INIT_PRIORITY): Document.
12386 (MAX_INIT_PRIORITY): Likewise.
12387 (MAX_RESERVED_INIT_PRIORITY): Likewise.
12388 (tree_map_base): New type.
12389 (tree_map_base_eq): New function.
12390 (tree_map_base_hash): Likewise.
12391 (tree_map_base_marked_p): Likewise.
12392 (tree_map): Inherit from tree_map_base.
12393 (tree_map_eq): Make it a macro.
12394 (tree_map_marked_p): Likewise.
12395 (tree_int_map): Inherit from tree_map_base.
12396 (tree_int_map_eq): Make it a macro.
12397 (tree_int_map_hash): Likewise.
12398 (tree_int_map_marked_p): Likewise.
12399 (tree_priority_map): New type.
12400 (tree_priority_map_eq): New macro.
12401 (tree_priority_map_hash): Likewise.
12402 (tree_priority_map_marked_p): Likewise.
12403 * varasm.c (emults_decl): Adjust for refactoring of tree_map
12405 (emutls_common_1): Likewise.
12406 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
12407 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
12408 of tree_map hierarchy.
12409 * tree-cfg.c (move_stmt_r): Likewise.
12410 (new_label_mapper): Likewise.
12411 * c-tree.h (c_expand_body): Move to ...
12412 * c-common.h (c_expand_body): ... here.
12413 * c-decl.c (c_expand_body): Move to ...
12414 * c-common.c (c_expand_body): ... here.
12415 (c_common_attribute_table): Allow 1 argument for the constructor
12416 and destructor attributes.
12417 (get_priority): New function.
12418 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
12419 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
12421 2007-02-24 Jan Hubicka <jh@suse.cz>
12423 PR middle-end/30509
12424 * tree-inline.c (copy_bb): Produce exact copy of EH info when
12425 copying for inlining.
12427 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12428 Jan Hubicka <jh@suse.cz>
12431 * i386.c (counter_mode): New function.
12432 (expand_set_or_movmem_via_loop): Use it.
12433 (expand_movmem_epilogue): Likewise; fix pasto.
12434 (ix86_expand_movmem): Do emit guard even for constant counts.
12435 (ix86_expand_setmem): Likewise.
12437 2007-02-25 Nick Clifton <nickc@redhat.com>
12439 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
12440 (JUMP_TABLES_IN_TEXT_SECTION): Define.
12442 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12445 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
12446 count argument with 0x10, not with 0x16.
12447 (expand_setmem_epilogue): Ditto.
12449 2007-02-24 Mike Stump <mrs@apple.com>
12451 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
12454 2007-02-24 Richard Guenther <rguenther@suse.de>
12456 PR middle-end/30951
12457 * fold-const.c (fold_binary): Fold x +- CST op x for
12458 EQ_EXPR and NE_EXPR.
12460 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12462 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
12464 2007-02-24 Jan Hubicka <jh@suse.cz>
12466 * cgraphunit.c (decide_is_function_needed): Honor
12467 -fkeep-inline-functions.
12469 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12471 * builtins.c (fold_builtin_modf): New.
12472 (fold_builtin_2): Use it.
12474 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
12476 * loop-iv.c (implies_p): Detect additional cases where A implies B.
12477 (determine_max_iter): Take additional LOOP arg; all callers changed.
12478 Lose broken logic dealing with PLUS. Try to limit the upper bound by
12479 one using simplifications.
12480 (simplify_using_initial_values): Return if the expression becomes
12481 invalid due to altered regs.
12483 2007-02-23 DJ Delorie <dj@redhat.com>
12485 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
12487 2007-02-23 Mike Stump <mrs@apple.com>
12489 * tlink.c (scan_linker_output): Parse linker messages from
12490 darwin9's linker better.
12492 2007-02-23 Steve Ellcey <sje@cup.hp.com>
12495 * varpool.c (varpool_assemble_pending_decls): Set
12496 varpool_last_needed_node to null.
12498 2007-02-23 DJ Delorie <dj@redhat.com>
12500 * config/i386/i386.c (ix86_data_alignment): Don't specify an
12501 alignment bigger than the object file can handle.
12503 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
12506 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
12507 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
12508 (*movsf_1): Penalize MMX moves.
12510 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
12512 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
12513 2^32-1 or more times unless flag_unsafe_loop_optimizations.
12515 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
12517 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12519 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
12520 (fold_builtin_1): Use them.
12521 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
12522 BUILT_IN_SIGNIFICAND.
12524 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
12526 * config/i386/i386.c (bdesc_1arg): Initialize
12527 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
12528 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
12529 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
12530 and IX86_BUILTIN_MOVSLDUP.
12532 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
12534 PR rtl-optimization/30841
12535 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
12537 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12539 * builtins.c (fold_builtin_frexp): New.
12540 (fold_builtin_2): Use it.
12542 2007-02-22 Mark Mitchell <mark@codesourcery.com>
12544 * doc/invoke.texi (Spec Files): Document getenv spec function.
12546 * gcc.c (getenv_spec_function): New function.
12547 (static_spec_functions): Add it.
12548 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
12549 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
12552 2007-02-22 Michael Matz <matz@suse.de
12555 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
12556 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
12558 2007-02-22 Ian Lance Taylor <iant@google.com>
12561 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
12562 (mem_loc_descriptor): Call it.
12564 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
12565 Ira Rosen <irar@il.ibm.com>
12567 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
12569 2007-02-22 Ira Rosen <irar@il.ibm.com>
12571 PR tree-optimization/30843
12572 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
12573 stores only after all the group is vectorized.
12575 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
12577 PR tree-optimization/30858
12578 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
12579 in the reduction cycle have a single use in the loop.
12580 * tree-vectorizer.h (relevant): Add documentation.
12582 2007-02-20 Mike Stump <mrs@apple.com>
12584 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
12585 * configure: Regenerate.
12587 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
12589 Change the defaults of some parameters and options.
12590 * config/spu/spu-protos.h (spu_optimization_options): Declare.
12591 * config/spu/spu.c (spu_optimization_options): Add.
12592 (spu_override_options): Change params in spu_optimization_options.
12593 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
12595 Register 127 is only 16 byte aligned when used as a frame pointer.
12596 * config/spu/spu-protos.h (spu_init_expanders): Declare.
12597 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
12598 HARD_FRAME_POINTER_REGNUM.
12599 (spu_legitimate_address): Use regno_aligned_for_reload.
12600 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
12601 aligned when frame_pointer_needed is true.
12602 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
12604 * config/spu/spu.h (INIT_EXPANDERS): Define.
12606 Make sure shift and rotate instructions have valid immediate operands.
12607 * config/spu/predicates.md (spu_shift_operand): Remove.
12608 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
12609 * config/spu/constraints.md (W, O): Extend range.
12610 * config/spu/spu.md (umask, nmask): Define.
12611 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
12612 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
12613 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
12614 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
12615 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
12616 (lshr<mode>3_reg): Fix rtl description.
12618 Make sure mulhisi immediate operands are valid.
12619 * config/spu/predicates.md (imm_K_operand): Add.
12620 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
12622 Generate constants using fsmbi and andi.
12623 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
12624 (print_operand, spu_split_immediate, classify_immediate,
12625 fsmbi_const_p): Handle IC_FSMBI2.
12627 Correctly handle a CONST_VECTOR containing symbols.
12628 * config/spu/spu.c (print_operand): Handle HIGH correctly.
12629 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
12630 (immediate_load_p): Allow symbols that use 2 instructions to create.
12631 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
12632 with symbols when flag_pic is set.
12633 (const_vector_immediate_p): New.
12634 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
12635 accept a CONST_VECTOR with symbols.
12636 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
12637 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
12639 * config/spu/spu.md (high, low): Delete.
12640 (low_<mode>): Define.
12642 Remove INTRmode and INTR_REGNUM, which didn't work.
12643 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
12645 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
12646 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
12647 peephole2 pattern): Don't use INTR or 131.
12648 (movintrcc): Delete.
12649 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
12650 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
12651 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
12652 (UNSPEC_SET_INTR): Add.
12653 * config/spu/spu-modes.def (INTR): Remove.
12655 More accurate warnings about run-time relocations.
12656 * config/spu/spu.c (reloc_diagnostic): Test in_section.
12658 Correctly warn about immediate arguments to specific intrinsics.
12659 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
12660 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
12661 the instruction predicate.
12663 Fix tree check errors with latest update.
12664 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
12666 (spu_expand_builtin): Use CALL_EXPR_FN.
12668 Add missing specific intrinsics.
12669 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
12671 * config/spu/spu_internals.h: Ditto.
12673 Fix incorrect operand modifiers.
12674 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
12675 * config/spu/spu.md (xor<mode>3): Change %S to %J.
12677 Optimize one case of zero_extend of a vec_select.
12678 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12680 Accept any immediate for hbr.
12681 * config/spu/spu.md (hbr): Change s constraints to i.
12683 2007-02-21 Paul Brook <paul@codesourcery.com>
12685 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12686 condexec_count when skipping USE and CLOBBER.
12688 2007-02-21 Nick Clifton <nickc@redhat.com>
12690 * common.opt (Warray-bounds): Add Warning attribute.
12691 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12693 (fsized-zeroes): Add Optimization attribute.
12694 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12695 * c.opt (Wc++0x-compat): Add Warning attribute.
12697 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12699 PR middle-end/30761
12700 * reload1.c (eliminate_regs_in_insn): In the single_set special
12701 case, attempt to re-recognize the insn before falling back to
12702 having reload fix it up.
12704 2007-02-20 Eric Christopher <echristo@gmail.com>
12706 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12707 Rewrite accordingly.
12708 (frv_read_iacc_argument): Ditto.
12709 (frv_expand_set_builtin): Take a call instead of arglist, update for
12711 (frv_expand_unop_builtin): Ditto.
12712 (frv_expand_binop_builtin): Ditto.
12713 (frv_expand_cut_builtin): Ditto.
12714 (frv_expand_binopimm_builtin): Ditto.
12715 (frv_expand_voidbinop_builtin): Ditto.
12716 (frv_expand_int_void2arg): Ditto.
12717 (frv_expand_prefetches): Ditto.
12718 (frv_expand_voidtriop_builtin): Ditto.
12719 (frv_expand_voidaccop_builtin): Ditto.
12720 (frv_expand_load_builtin): Ditto.
12721 (frv_expand_store_builtin): Ditto.
12722 (frv_expand_mdpackh_builtin): Ditto.
12723 (frv_expand_mclracc_builtin): Ditto.
12724 (frv_expand_mrdacc_builtin): Ditto.
12725 (frv_expand_mwtacc_builtin): Ditto.
12726 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12729 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12731 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12732 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12734 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12735 point instructions.
12736 * configure: Regenerate.
12737 * config.in: Regenerate.
12738 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12739 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12740 masks to power6 and power6x and to POWERPC_MASKS.
12741 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12743 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12744 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12745 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12746 Access PROTOTYPE as variable, not mask.
12748 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12750 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12751 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12752 * combine.c (adjust_for_new_dest): Use it.
12753 * postreload.c (reload_combine): Likewise.
12755 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12757 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12758 notes on an insn with multiple sets, even if single_set returns
12759 non-NULL for that insn.
12761 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12763 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12764 scalbn and scalbln.
12766 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12768 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12769 if user didn't pass it.
12770 * config/i386/darwin.h (CC1_SPEC): Likewise.
12771 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12772 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12773 -mmacosx-version-min.
12775 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12776 Uros Bizjak <ubizjak@gmail.com>
12778 * optabs.h (enum optab_index): Add new OTI_scalb.
12779 (scalb_optab): Define corresponding macro.
12780 * optabs.c (init_optabs): Initialize scalb_optab.
12781 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12783 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12784 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12785 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12786 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12787 flag_unsafe_math_optimizations is set.
12789 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12790 to implement scalbf, scalb and scalbl built-ins as inline x87
12793 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12794 DJ Delorie <dj@redhat.com>
12797 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12798 (diagnostic_report_diagnostic): ... here, and turn them into real
12799 errors. If warnings are inhibited, no need to do anything.
12801 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12803 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12804 better code generation.
12806 2007-02-20 Ben Elliston <bje@au.ibm.com>
12808 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12810 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12812 * config/alpha/alpha.c, config/alpha/alpha.md,
12813 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12814 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12815 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12816 config/arm/lib1funcs.asm: Follow spelling conventions.
12818 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12819 config/fr30/fr30.md, config/i386/i386.h,
12820 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12821 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12822 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12823 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12824 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12825 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12826 config/sparc/sparc.c, config/sparc/sparc.h,
12827 config/sparc/sparc.md, config/spu/constraints.md,
12828 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12831 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12834 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12837 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12839 * doc/invoke.texi (-ftree-lrs): Remove.
12841 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12843 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12846 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12848 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12849 new CALL_EXPR_FN macro for retrieving the function
12850 declaration of the input expression.
12852 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12854 * c.opt (Waddress): New.
12855 * common.opt (Walways-true): Delete.
12856 (Wstring-literal-comparison): Delete.
12857 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12858 -Wstring-literal-comparison. Add -Waddress.
12860 (Walways-true): Delete.
12861 (Wstring-literal-comparison): Delete.
12862 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12863 consistently instead of -Walways-true in example.
12864 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12865 * c-typeck.c (parser_build_binary_op): Replace
12866 -Wstring-literal-comparison and -Walways-true with -Waddress.
12867 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12870 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12872 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12873 without DECL_STRUCT_FUNCTION initialized.
12875 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12877 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12878 due to calls to functions taking pointers as parameters.
12880 2007-02-19 Richard Henderson <rth@redhat.com>
12883 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12886 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12888 * config/s390/s390.c (s390_call_saved_register_used,
12889 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12890 accessed to the new scheme.
12892 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12894 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12895 (cris_print_index, cris_print_operand, cris_print_operand_address)
12896 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12897 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12898 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12899 GET_CODE () == xxx.
12900 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12901 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12902 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12903 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12904 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12905 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12906 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12907 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12908 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12909 (uminsi3, call, call_value): Ditto.
12910 (define_split: indir_to_reg_split, unnamed): Ditto.
12912 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12914 PR tree-optimization/30975
12915 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12918 2007-02-18 Eric Christopher <echristo@gmail.com>
12920 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12921 Remove use of arglist.
12922 (mips_expand_builtin): Remove use of arglist, pass in expr.
12923 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12924 (mips_expand_builtin_movtf): Ditto.
12925 (mips_expand_builtin_compare): Ditto.
12927 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12929 * tree-sra.c (sra_build_assignment): Replace assertion
12930 checking with a comment explaining why it can't be done.
12932 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12934 PR middle-end/30833
12935 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12936 during CALL_EXPR representation conversion.
12937 * tree-ssa-propagate.c (set_rhs): Likewise.
12939 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12941 * tree-sra.c (sra_build_assignment): Disable assertion checking
12944 2007-02-18 Roger Sayle <roger@eyesopen.com>
12946 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12947 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12948 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12950 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12951 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12952 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12953 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12954 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12955 force_gimple_operand): Likewise.
12956 * ipa-cp.c (constant_val_insert): Likewise.
12957 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12958 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12959 perfect_nestify): Likewise.
12960 * langhooks.c (lhd_omp_assignment): Likewise.
12961 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12962 lower_copyprivate_clauses, lower_send_clauses,
12963 lower_send_shared_vars, expand_parallel_call,
12964 expand_omp_for_generic, expand_omp_for_static_nochunk,
12965 expand_omp_for_static_chunk, expand_omp_sections,
12966 lower_omp_single_copy, lower_omp_for_lastprivate,
12967 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12968 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12969 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12972 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12974 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12975 config/sh/sh.md: Follow spelling conventions.
12977 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12978 config/frv/predicates.md: Follow spelling conventions.
12980 * config/m68k/linux-unwind.h: Fix a comment typo.
12981 * target.h: Follow spelling conventions.
12983 2007-02-18 Roger Sayle <roger@eyesopen.com>
12985 PR rtl-optimization/28173
12986 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12987 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12988 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12989 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12990 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12992 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12994 * builtins.c (fold_builtin_load_exponent): New.
12995 (fold_builtin_2): Use it.
12997 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
12999 PR rtl-optimization/30773
13000 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
13001 if we fail to attach a REG_EQUIV note.
13003 2007-02-18 David Edelsohn <edelsohn@gnu.org>
13004 Roger Sayle <roger@eyesopen.com>
13006 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
13008 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
13010 * calls.c (initialize_argument_information): Pass original EXP
13011 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
13012 code to split complex arguments here, as part of initializing the
13014 (expand_call): Remove code that builds a list of arguments and
13015 inserts implicit arguments into it. Instead, just count how many
13016 implicit arguments there will be so we can determine the size of
13017 the ARGS array, and let initialize_argument_information do the work.
13018 (split_complex_values): Delete unused function.
13020 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13022 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
13024 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13026 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
13027 for arg pointer based indexed addressing.
13029 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13031 * config/ia64/ia64.h, config/ia64/ia64.md,
13032 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
13033 spelling conventions.
13035 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13037 * config/m68k/m68k.c (split_di): New.
13038 * config/m68k/m68k-protos.h: Declare split_di.
13039 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
13040 Improve predicate handling and split constant shifts.
13042 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13044 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
13045 parameter for register bitfield operations, general predicates
13048 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13050 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
13051 * config/m68k/linux-unwind.h: New file.
13053 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13055 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
13056 config/i386/athlon.md, config/ia64/ia64.md,
13057 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
13058 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
13059 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
13060 tree-ssa-loop-niter.c, tree-vect-analyze.c,
13061 tree-vect-transform.c: Fix comment typos.
13063 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
13065 * sched-deps.c (find_insn_list): Remove.
13066 * sched-int.h: Remove the prototype for find_insn_list.
13068 2007-02-16 Geoffrey Keating <geoffk@apple.com>
13070 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
13072 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
13073 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
13074 darwin_rs6000_override_options.
13075 (C_COMMON_OVERRIDE_OPTIONS): Expect
13076 darwin_macosx_version_min to be non-NULL always.
13077 (TARGET_C99_FUNCTIONS): Likewise.
13078 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
13079 (DARWIN_MINVERSION_SPEC): New.
13080 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
13081 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
13083 (DARWIN_MINVERSION_SPEC): New.
13084 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
13086 * config/darwin-c.c (darwin_cpp_builtins): Expect
13087 darwin_macosx_version_min to be non-NULL always.
13089 * config/rs6000/rs6000.c: Clean up trailing whitespace.
13091 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
13093 * config/i386/i386.h (x86_use_xchgb): New.
13094 (TARGET_USE_XCHGB): New macro.
13095 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
13096 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
13097 Split after reload into bswaphi for shifts of 8.
13098 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
13099 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
13100 or when optimizing for size.
13102 2007-02-16 Richard Guenther <rguenther@suse.de>
13103 Christian Bruel <christian.bruel@st.com>
13105 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
13106 DECLs but prefer SSA_NAMEs over DECLs.
13108 2007-02-16 Richard Guenther <rguenther@suse.de>
13110 * tree-flow-inline.h (single_imm_use_p): Remove.
13111 (zero_imm_uses_p): Likewise.
13112 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
13113 instead of single_imm_use_p.
13114 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
13117 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
13120 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
13121 nested double- and backquotes.
13123 2007-02-15 Roger Sayle <roger@eyesopen.com>
13125 PR middle-end/30391
13126 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
13127 should be unreachable.
13128 (build2_stat): Allow construction of MODIFY_EXPR at any time.
13129 For the time being redirect GIMPLE_MODIFY_STMT to the new
13130 (renamed) build_gimple_modify_stmt_stat.
13131 (build2_gimple_stat): Rename to...
13132 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
13133 Always build a GIMPLE_MODIFY_STMT node.
13134 * tree.h (build2_gimple, build2_gimple_stat): Delete.
13135 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
13138 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
13139 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
13140 * tree-complex.c (set_component_ssa_name, expand_complex_move,
13141 expand_complex_div_wide): Likewise.
13142 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
13143 * tree-ssa-loop-im.c (schedule_sm): Likewise.
13144 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
13145 * tree-ssa-loop-manip.c (create_iv): Likewise.
13146 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
13147 abs_replacement): Likewise.
13148 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
13149 realify_fake_stores): Likewise.
13151 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
13152 node rather than a GIMPLE_MODIFY_STMT node.
13153 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
13154 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
13156 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
13157 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
13158 GIMPLE_MODIFY_STMT.
13160 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13162 PR middle-end/30433
13163 * fold-const.c (fold_comparison): Add back the
13164 folding of constant complex comparisions.
13166 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13168 PR middle-end/30729
13169 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
13170 effects unknown to this function, return early.
13172 2007-02-15 Ian Lance Taylor <iant@google.com>
13174 * lower-subreg.c (move_eh_region_note): New static function.
13175 (resolve_simple_move): Call it.
13176 (decompose_multiword_subregs): Track blocks for which we resolve a
13177 simple move which is also a control flow insn. Pass them to
13178 find_many_sub_basic_blocks.
13179 (pass_lower_subreg): Add TODO_verify_flow.
13180 (pass_lower_subreg2): Likewise.
13182 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13183 Brooks Moses <brooks.moses@codesourcery.com>
13184 Lee Millward <lee.millward@codesourcery.com>
13186 * tree.h (enum tree_code_class): Add tcc_vl_exp.
13187 (VL_EXP_CLASS_P): New.
13188 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
13190 (TREE_OPERAND_CHECK_CODE): Likewise.
13191 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
13192 (TREE_RTL_OPERAND_CHECK): Likewise.
13193 (tree_operand_check_failed): Make second parameter the whole tree
13194 instead of its code. Fixed callers.
13195 (VL_EXP_CHECK): New.
13196 (TREE_OPERAND_LENGTH): New.
13197 (VL_EXP_OPERAND_LENGTH): New.
13198 (CALL_EXPR_FN): New.
13199 (CALL_EXPR_STATIC_CHAIN): New.
13200 (CALL_EXPR_ARGS): New.
13201 (CALL_EXPR_ARG): New.
13202 (call_expr_nargs): New.
13203 (CALL_EXPR_ARGP): New.
13204 (build_nt_call_list): Declare.
13205 (build_vl_exp_stat): Declare.
13206 (build_vl_exp): New.
13207 (build_call_list): Declare.
13208 (build_call_nary): Declare.
13209 (build_call_valist): Declare.
13210 (build_call_array): Declare.
13211 (call_expr_arg): Declare.
13212 (call_expr_argp): Declare.
13213 (call_expr_arglist): Declare.
13214 (fold_build_call_list): Declare.
13215 (fold_build_call_list_initializer): Declare.
13216 (fold_call_expr): Declare to replace fold_builtin.
13217 (fold_builtin_fputs): Update to agree with modified definition.
13218 (fold_builtin_strcpy): Likewise.
13219 (fold_builtin_strncpy): Likewise.
13220 (fold_builtin_memory_chk): Likewise.
13221 (fold_builtin_stxcpy_chk): Likewise.
13222 (fold_builtin_strncpy_chk): Likewise.
13223 (fold_builtin_next_arg): Likewise.
13224 (fold_build_call_expr): Declare.
13225 (fold_builtin_call_list): Declare.
13226 (fold_builtin_call_valist): Declare.
13227 (build_call_expr): Declare.
13228 (validate_arglist): Update to agree with modified definition.
13229 (tree_operand_length): New.
13230 (call_expr_arg_iterator): New.
13231 (init_call_expr_arg_iterator): New.
13232 (next_call_expr_arg): New.
13233 (first_call_expr_arg): New.
13234 (more_call_expr_args_p): New.
13235 (FOR_EACH_CALL_EXPR_ARG): New.
13237 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
13238 and tcc_gimple_stmt.
13239 (tree_code_size): Update documentation. Use sizeof (tree) rather
13240 than sizeof (char *).
13241 (tree_size): Likewise. Add case for tcc_vl_exp.
13242 (tree_node_structure): Add case for tcc_vl_exp.
13243 (contains_placeholder_p): Likewise.
13244 (substitute_in_expr): Likewise.
13245 (substitute_placeholder_in_expr): Likewise.
13246 (stabilize_reference_1): Likewise.
13247 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
13248 to diagnose breakage of this interface for constructing CALL_EXPRs.
13249 (build_nt): Add similar assertion here.
13250 (build_nt_call_list): New.
13251 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
13252 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
13254 (get_callee_fndecl): Use new CALL_EXPR accessors.
13255 (tree_operand_check_failed): Change parameters to pass entire node
13256 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
13257 (process_call_operands): New.
13258 (build_vl_exp_stat): New.
13259 (build_call_list): New.
13260 (build_call_nary): New.
13261 (build_call_valist): New.
13262 (build_call_array): New.
13263 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13264 (call_expr_arglist): New.
13266 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
13267 tcc_vl_exp instead of a fixed-size tcc_expression.
13269 * doc/c-tree.texi (CALL_EXPR): Document new representation and
13270 accessors for CALL_EXPRs.
13271 (AGGR_INIT_EXPR): Likewise.
13273 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13274 Brooks Moses <brooks.moses@codesourcery.com>
13275 Lee Millward <lee.millward@codesourcery.com>
13277 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
13278 (expand_builtin_nonlocal_goto): Change parameter to be entire
13279 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
13280 (expand_builtin_prefetch): Likewise.
13281 (expand_builtin_classify_type): Likewise.
13282 (mathfn_built_in): Return NULL_TREE instead of 0.
13283 (expand_errno_check): Use new CALL_EXPR accessors.
13284 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
13285 Return NULL_RTX instead of 0.
13286 (expand_builtin_mathfn_2): Likewise.
13287 (expand_builtin_mathfn_3): Likewise.
13288 (expand_builtin_interclass_mathfn): Likewise.
13289 (expand_builtin_sincos): Likewise.
13290 (expand_builtin_cexpi): Likewise.
13291 (expand_builtin_int_roundingfn): Likewise.
13292 (expand_builtin_int_roundingfn_2): Likewise.
13293 (expand_builtin_pow): Likewise.
13294 (expand_builtin_powi): Likewise.
13295 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
13296 of arglist, fixing callers appropriately. Use new CALL_EXPR
13297 accessors and constructors. Return NULL_RTX instead of 0.
13298 (expand_builtin_strstr): Likewise.
13299 (expand_builtin_strchr): Likewise.
13300 (expand_builtin_strrchr): Likewise.
13301 (expand_builtin_strpbrk): Likewise.
13302 (expand_builtin_memcpy): Likewise.
13303 (expand_builtin_mempcpy): Likewise.
13304 (expand_builtin_mempcpy_args): New.
13305 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
13306 (expand_builtin_memmove_args): New.
13307 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
13308 (expand_movstr): Likewise.
13309 (expand_builtin_strcpy): Likewise.
13310 (expand_builtin_strcpy_args): New.
13311 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
13312 (expand_builtin_strncpy): Likewise.
13313 (expand_builtin_memset): Likewise.
13314 (expand_builtin_memset_args): New.
13315 (expand_builtin_bzero): Similarly to expand_builtin_memset.
13316 (expand_builtin_memcmp): Likewise.
13317 (expand_builtin_strcmp): Likewise.
13318 (expand_builtin_strncmp): Likewise.
13319 (expand_builtin_strcat): Likewise.
13320 (expand_builtin_strncat): Likewise.
13321 (expand_builtin_strspn): Likewise.
13322 (expand_builtin_strcspn): Likewise.
13323 (expand_builtin_args_info): Likewise.
13324 (expand_builtin_va_start): Likewise.
13325 (gimplify_va_arg_expr): Likewise.
13326 (expand_builtin_va_end): Likewise.
13327 (expand_builtin_va_copy): Likewise.
13328 (expand_builtin_frame_address): Likewise.
13329 (expand_builtin_alloca): Likewise.
13330 (expand_builtin_bswap): Likewise.
13331 (expand_builtin_unop): Likewise.
13332 (expand_builtin_fputs): Likewise.
13333 (expand_builtin_expect): Likewise.
13334 (expand_builtin_fabs): Likewise.
13335 (expand_builtin_copysign): Likewise.
13336 (expand_builtin_printf): Likewise.
13337 (expand_builtin_fprintf): Likewise.
13338 (expand_builtin_sprintf): Likewise.
13339 (expand_builtin_init_trampoline): Likewise.
13340 (expand_builtin_signbit): Likewise.
13341 (expand_builtin_fork_or_exec): Likewise.
13342 (expand_builtin_sync_operation): Likewise.
13343 (expand_builtin_compare_and_swap): Likewise.
13344 (expand_builtin_lock_test_and_set): Likewise.
13345 (expand_builtin_lock_release): Likewise.
13346 (expand_builtin): Likewise.
13347 (builtin_mathfn_code): Likewise.
13349 (fold_builtin_constant_p): Pass call arguments individually instead
13350 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13351 accessors and constructors. Return NULL_TREE instead of 0.
13352 (fold_builtin_expect): Likewise.
13353 (fold_builtin_classify_type): Likewise.
13354 (fold_builtin_strlen): Likewise.
13355 (fold_builtin_nan): Likewise.
13356 (integer_valued_real_p): Likewise.
13357 (fold_trunc_transparent_mathfn): Likewise.
13358 (fold_fixed_mathfn): Likewise.
13359 (fold_builtin_cabs): Likewise.
13360 (fold_builtin_sqrt): Likewise.
13361 (fold_builtin_cbrt): Likewise.
13362 (fold_builtin_cos): Likewise.
13363 (fold_builtin_cosh): Likewise.
13364 (fold_builtin_tan): Likewise.
13365 (fold_builtin_sincos): Likewise.
13366 (fold_builtin_cexp): Likewise.
13367 (fold_builtin_trunc): Likewise.
13368 (fold_builtin_floor): Likewise.
13369 (fold_builtin_ceil): Likewise.
13370 (fold_builtin_round): Likewise.
13371 (fold_builtin_int_roundingfn): Likewise.
13372 (fold_builtin_bitop): Likewise.
13373 (fold_builtin_bswap): Likewise.
13374 (fold_builtin_logarithm): Likewise.
13375 (fold_builtin_hypot): Likewise.
13376 (fold_builtin_pow): Likewise.
13377 (fold_builtin_powi): Likewise.
13378 (fold_builtin_exponent): Likewise.
13379 (fold_builtin_memset): Likewise.
13380 (fold_builtin_bzero): Likewise.
13381 (fold_builtin_memory_op): Likewise.
13382 (fold_builtin_bcopy): Deleted; call site changed to invoke
13383 fold_builtin_memory_op directly.
13384 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
13385 (fold_builtin_strncpy): Likewise.
13386 (fold_builtin_memcmp): Likewise.
13387 (fold_builtin_strcmp): Likewise.
13388 (fold_builtin_strncmp): Likewise.
13389 (fold_builtin_signbit): Likewise.
13390 (fold_builtin_copysign): Likewise.
13391 (fold_builtin_isascii): Likewise.
13392 (fold_builtin_toascii): Likewise.
13393 (fold_builtin_isdigit): Likewise.
13394 (fold_builtin_fabs): Likewise.
13395 (fold_builtin_abs): Likewise.
13396 (fold_builtin_fmin_fmax): Likewise.
13397 (fold_builtin_carg): Likewise.
13398 (fold_builtin_classify): Likewise.
13399 (fold_builtin_unordered_cmp): Likewise.
13401 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
13402 New functions split out from fold_builtin_1.
13403 (fold_builtin_n): New.
13404 (fold_builtin_varargs): New.
13405 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
13407 (fold_call_expr): New.
13408 (build_function_call_expr): Rewrite to use new helper function.
13409 (fold_builtin_call_list): New.
13410 (build_call_expr): New.
13411 (fold_builtin_call_valist): New.
13412 (rewrite_call_expr): New.
13413 (validate_arg): New.
13414 (validate_arglist): Change parameter to be entire CALL_EXPR instead
13415 of an arglist. Change return type to bool. Use new CALL_EXPR
13418 (fold_builtin_strstr): Pass call arguments individually instead
13419 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13420 accessors and constructors. Return NULL_TREE instead of 0.
13421 (fold_builtin_strchr): Likewise.
13422 (fold_builtin_strrchr): Likewise.
13423 (fold_builtin_strpbrk): Likewise.
13424 (fold_builtin_strcat): Likewise.
13425 (fold_builtin_strncat): Likewise.
13426 (fold_builtin_strspn): Likewise.
13427 (fold_builtin_strcspn): Likewise.
13428 (fold_builtin_fputs): Likewise.
13429 (fold_builtin_next_arg): Likewise.
13430 (fold_builtin_sprintf): Likewise.
13432 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
13433 NULL_RTX instead of 0.
13434 (expand_builtin_memory_chk): Likewise.
13435 (maybe_emit_chk_warning): Likewise.
13436 (maybe_emit_sprintf_chk_warning): Likewise.
13438 (fold_builtin_object_size): Pass call arguments individually instead
13439 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13440 accessors and constructors. Return NULL_TREE instead of 0.
13441 (fold_builtin_memory_chk): Likewise.
13442 (fold_builtin_stxcpy_chk): Likewise.
13443 (fold_builtin_strncpy_chk): Likewise.
13444 (fold_builtin_strcat_chk): Likewise.
13445 (fold_builtin_strcat_chk): Likewise.
13446 (fold_builtin_strncat_chk): Likewise.
13447 (fold_builtin_sprintf_chk): Likewise.
13448 (fold_builtin_snprintf_chk): Likewise.
13449 (fold_builtin_printf): Likewise.
13450 (fold_builtin_vprintf): Likewise.
13452 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
13454 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
13455 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13456 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
13457 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
13458 (fold_unary): Likewise.
13459 (fold_binary): Likewise.
13460 (fold_ternary): Remove CALL_EXPR case, since they are no longer
13461 ternary expressions.
13462 (fold): Add logic for tcc_vl_exp.
13463 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
13464 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13465 (fold_build3_stat): Add assertion to flag broken interface for
13466 constructing CALL_EXPRs.
13467 (fold_build_call_list): New.
13468 (fold_build_call_list_initializer): New.
13469 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
13471 (fold_strip_sign_ops): Likewise.
13473 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13474 Brooks Moses <brooks.moses@codesourcery.com>
13475 Lee Millward <lee.millward@codesourcery.com>
13477 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
13478 accessors and dump arguments explicitly.
13480 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
13482 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
13484 (print_call_name): Use new CALL_EXPR accessors.
13486 * print-tree.c (print_node): Add case tcc_vl_exp. Print
13487 CALL_EXPR arguments explicitly instead of as a list. Use
13488 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13490 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
13491 (vrp_visit_stmt): Likewise.
13493 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
13494 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
13496 (force_move_till_expr): Likewise.
13498 * targhooks.c (default_external_stack_protect_fail): Use
13499 build_call_expr instead of build_function_call_expr.
13500 (default_hidden_stack_protect_fail): Likewise.
13502 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
13505 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
13506 and walk arguments explicitly.
13508 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
13509 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13510 (expand_simple_operations): Likewise.
13511 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
13513 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
13514 of TREE_CODE_LENGTH.
13515 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
13517 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
13518 instead of TREE_CODE_LENGTH.
13520 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
13521 (tree_ic_transform): Likewise.
13522 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
13523 parameter instead of arglist. Fix callers.
13524 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
13525 (tree_stringops_transform): Likewise.
13526 (tree_indirect_call_to_profile): Likewise.
13527 (tree_stringops_values_to_profile): Likewise.
13529 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
13530 (eliminate_tail_call): Likewise.
13532 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
13534 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
13535 Use TREE_OPERAND_LENGTH and generalize to handle any number of
13537 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
13539 * omp-low.c (build_omp_barrier): Use build_call_expr.
13540 (lower_rec_input_clauses): Likewise.
13541 (lower_reduction_clauses): Likewise.
13542 (expand_parallel_call): Likewise.
13543 (maybe_catch_exception): Likewise.
13544 (expand_omp_for_generic): Likewise.
13545 (expand_omp_for_static_nochunk): Likewise.
13546 (expand_omp_sections): Likewise.
13547 (lower_omp_single_simple): Likewise.
13548 (lower_omp_single_copy): Likewise.
13549 (lower_omp_master): Likewise.
13550 (lower_omp_ordered): Likewise.
13551 (lower_omp_critical): Likewise.
13553 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
13554 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
13556 * tree-gimple.c (is_gimple_call_addr): Fix doc.
13557 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
13558 TREE_CODE_LENGTH. Add tcc_vl_exp case.
13560 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
13561 and generalize to handle any number of operands.
13562 (chrec_contains_undetermined): Likewise.
13563 (tree_contains_chrecs): Likewise.
13564 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
13566 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
13568 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
13569 fold_call_expr instead of fold_builtin.
13570 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
13571 match declarations there.
13572 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
13575 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
13576 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13578 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
13579 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
13581 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
13584 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
13585 (execute_cse_sincos): Use new CALL_EXPR accessors.
13587 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
13589 * gimple-low.c (lower_function_body): Use build_call_expr.
13590 (lower_builtin_setjmp): Likewise.
13592 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
13593 (set_storage_via_libcall): Likewise.
13594 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
13595 instead of TREE_CODE_LENGTH.
13596 (expand_expr_real_1): Use new CALL_EXPR accessors.
13598 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
13599 generalize to handle any number of operands.
13600 (TB_parent_eq): Likewise.
13602 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
13603 (strip_builtin_expect): Likewise.
13605 * function.c (gimplify_parameters): Use build_call_expr.
13607 * tree-vectorizer.c (vect_is_simple_reduction): Use
13608 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13610 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
13611 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
13613 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
13616 * gimplify.c (build_stack_save_restore): Use build_call_expr.
13617 (gimplify_decl_expr): Likewise.
13618 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
13619 Use new CALL_EXPR iterators.
13620 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
13621 (gimplify_modify_expr_to_memset): Likewise.
13622 (gimplify_variable_sized_compare): Likewise.
13623 (gimplify_omp_atomic_fetch_op): Likewise.
13624 (gimplify_omp_atomic_pipeline): Likewise.
13625 (gimplify_omp_atomic_mutex): Likewise.
13626 (gimplify_function_tree): Likewise.
13628 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
13629 (call_expr_flags): Likewise.
13630 (expand_call): Likewise.
13632 * except.c (expand_builtin_eh_return_data_regno): Pass entire
13633 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13636 * coverage.c (create_coverage): Use build_call_expr.
13638 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
13639 (temp_call_expr_obstack): New.
13640 (pool_copy_list): Delete.
13641 (temp_copy_call_expr): New.
13642 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
13643 CALL_EXPR accessors. Get rid of special goo for copying argument
13644 lists and use temp_copy_call_expr instead.
13645 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
13646 CALL_EXPR accessors.
13647 (create_expression_by_pieces): Likewise. Use build_call_array
13648 to construct the result instead of fold_build3.
13649 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
13650 dealing with argument lists.
13651 (init_pre): Remove references to expression_node_pool and
13652 list_node_pool. Init temp_call_expr_obstack instead.
13653 (fini_pre): Remove references to expression_node_pool and
13656 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
13657 and walk arguments explicitly instead of as a list.
13659 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
13660 (mx_register_decls): Likewise.
13661 (mudflap_register_call): Likewise.
13662 (mudflap_finish_file): Likewise.
13664 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
13665 (ipa_callsite_compute_param): Likewise.
13667 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
13668 accessors and constructor.
13670 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
13671 accessors and constructor.
13672 (convert_tramp_reference): Likewise.
13673 (convert_call_expr): Likewise.
13674 (finalize_nesting_tree_1): Likewise.
13676 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
13679 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13681 * tree-inline.c (initialize_inlined_parameters): Pass entire
13682 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13684 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13685 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13687 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13688 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13689 (vectorizable_reduction): Likewise.
13690 (vectorizable_call): Use new CALL_EXPR iterators.
13691 (vectorizable_conversion): Use build_call_expr.
13692 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13693 (vect_gen_widened_results_half): Use build_call_expr.
13694 (vect_setup_realignment): Likewise.
13695 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13697 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13698 (pass_through_call): Likewise.
13699 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13702 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13703 (tree_gen_pow2_profiler): Likewise.
13704 (tree_gen_one_value_profiler): Likewise.
13705 (tree_gen_ic_func_profiler): Likewise.
13706 (tree_gen_average_profiler): Likewise.
13707 (tree_gen_ior_profiler): Likewise.
13709 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13710 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13711 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13713 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13714 of TREE_CODE_LENGTH.
13716 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13717 of TREE_CODE_LENGTH.
13719 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13721 (convert_to_integer): Likewise.
13723 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13726 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13727 Brooks Moses <brooks.moses@codesourcery.com>
13728 Lee Millward <lee.millward@codesourcery.com>
13730 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13732 * config/frv/frv.c (frv_expand_builtin): Likewise.
13733 * config/s390/s390.c (s390_expand_builtin): Likewise.
13735 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13736 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13738 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13739 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13740 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13741 (ix86_expand_store_builtin): Likewise.
13742 (ix86_expand_unop_builtin): Likewise.
13743 (ix86_expand_unop1_builtin): Likewise.
13744 (ix86_expand_sse_compare): Likewise.
13745 (ix86_expand_sse_comi): Likewise.
13746 (ix86_expand_vec_init_builtin): Likewise.
13747 (ix86_expand_vec_ext_builtin): Likewise.
13748 (ix86_expand_vec_set_builtin): Likewise.
13749 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13751 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13752 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13754 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13755 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13756 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13758 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13760 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13761 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13762 arglist. Use new CALL_EXPR accessors. Fix callers.
13763 (altivec_expand_abs_builtin): Likewise.
13764 (rs6000_expand_binop_builtin): Likewise.
13765 (altivec_expand_predicate_builtin): Likewise.
13766 (altivec_expand_lv_builtin): Likewise.
13767 (spe_expand_stv_builtin): Likewise.
13768 (altivec_expand_stv_builtin): Likewise.
13769 (rs6000_expand_ternop_builtin): Likewise.
13770 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13771 (altivec_expand_st_builtin): Likewise.
13772 (altivec_expand_dst_builtin): Likewise.
13773 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13774 arglist. Use new CALL_EXPR accessors. Fix callers.
13775 (altivec_expand_vec_set_builtin): Likewise.
13776 (altivec_expand_vec_ext_builtin): Likewise.
13777 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13778 (spe_expand_builtin): Likewise.
13779 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13780 arglist. Use new CALL_EXPR accessors. Fix callers.
13781 (spe_expand_evsel_builtin): Likewise.
13782 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13783 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13785 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13786 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13787 (arm_expand_unop_builtin): Likewise.
13788 (arm_expand_builtin): Use new CALL_EXPR accessors.
13790 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13793 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
13794 CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
13796 (bfin_expand_unop_builtin): Likewise.
13797 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13799 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13800 Brooks Moses <brooks.moses@codesourcery.com>
13801 Lee Millward <lee.millward@codesourcery.com>
13803 * c-semantics.c (build_stmt): Add internal diagnostic check.
13805 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13806 accessors. Print arguments explicitly instead of as a list.
13808 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13810 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13811 (c_finish_omp_flish): Likewise.
13813 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13814 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13815 instead of TREE_CODE_LENGTH.
13816 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13817 (c_warn_unused_result): Likewise.
13819 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13822 * doc/invoke.texi (Warning Options): Remove
13823 -Werror-implicit-function-declaration.
13824 (Wimplicit-function-declaration): Update description.
13825 * opts.c (common_handle_option): Move handling of -Werror=* to...
13826 (enable_warning_as_error): ...here.
13827 * opts.h (enable_warning_as_error): Declare.
13828 * c-decl.c (implicit_decl_warning): Unless
13829 -Wno-implicit-function-declaration is given, emit a pedwarn if
13830 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13831 * c.opt (Wimplicit-function-declaration): Replace
13832 mesg_implicit_function_declaration with
13833 warn_implicit_function_declaration.
13834 * c-opts.c (c_common_handle_option):
13835 -Werror-implicit-function-declaration is exactly equal as
13836 -Werror=implicit-function-declaration.
13837 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13838 warn_implicit_function_declaration.
13839 (c_common_post_options): -Wimplict-function-declaration is enabled
13840 by default by -std=c99, otherwise is disabled by default.
13841 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13843 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13845 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13846 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13847 former is ignored but not the latter.
13849 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13851 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13852 is made and the reference doesn't use the alias set of its type,
13853 do not create the temporary using that type.
13855 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13857 * jump.c: Remove prototypes for delete_computation and
13858 delete_prior_computation.
13860 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13862 * jump.c (get_label_after): Delete.
13863 (get_label_before, delete_computation, delete_jump,
13864 delete_prior_computation, follow_jumps): Move...
13865 * reorg.c (delete_computation, delete_prior_computation): ... here...
13866 (get_label_before, delete_jump): ... making these static ...
13867 (follow_jumps): ... and simplifying this since it only runs after
13869 * rtl.h (get_label_after, get_label_before, delete_jump,
13870 follow_jumps): Delete prototypes.
13872 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13874 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13876 2007-02-15 Nick Clifton <nickc@redhat.com>
13878 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13879 order to prevent it from being munged by the target.
13881 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13883 * config/i386/i386.md: Remove misleading comment.
13885 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13887 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13888 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13891 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13893 * tree-sra.c (instantiate_missing_elements): Canonicalize
13895 (sra_build_assignment): New.
13896 (generate_copy_inout, generate_element_copy,
13897 generate_element_zero, generate_one_element_init): Use it.
13899 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13901 * tree-sra.c (instantiate_missing_elements): Canonicalize
13903 (sra_build_assignment): New.
13904 (generate_copy_inout, generate_element_copy,
13905 generate_element_zero, generate_one_element_init): Use it.
13907 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13909 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13912 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13914 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13915 types as aggregates not scalars.
13916 * function.c (assign_stack_temp_for_type): Likewise.
13918 2007-02-14 Roger Sayle <roger@eyesopen.com>
13919 Zdenek Dvorak <dvorakz@suse.cz>
13921 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13924 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13926 * passes.c (next_pass_1): Clear the next field of the copied
13929 2007-02-14 Richard Henderson <rth@redhat.com>
13931 * tree-sra.c (early_sra): New.
13932 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13933 (tree_sra_early, pass_sra_early): New.
13934 * tree-pass.h (pass_sra_early): Declare.
13935 * passes.c (init_optimization_passes): Use it.
13937 2007-02-14 Richard Guenther <rguenther@suse.de>
13939 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13941 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13943 PR tree-optimization/30771
13944 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13946 (vect_analyze_operations): Induction phis can now be marked as
13948 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13949 Update documentation accordingly.
13951 2007-02-14 Nick Clifton <nickc@redhat.com>
13953 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13954 most 3 arguments are supported.
13955 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13957 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13959 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13960 Ensure dst->current is valid.
13962 2007-02-13 Paul Brook <paul@codesourcery.com>
13964 * config.gcc: Add arm*-*-uclinux-*eabi.
13965 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13966 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13967 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13968 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13969 (LINK_SPEC): Define.
13970 (LIB_SPEC): Define.
13971 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13973 * config/arm/uclinux-eabi.h: New file.
13974 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13975 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13978 2007-02-13 Ian Lance Taylor <iant@google.com>
13980 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13981 * flags.h (warn_strict_overflow): Declare.
13982 (enum warn_strict_overflow_code): Define.
13983 (issue_strict_overflow_warning): New static inline function.
13984 * opts.c (warn_strict_overflow): New variable.
13985 (common_handle_option): Handle OPT_Wstrict_overflow and
13986 OPT_Wstrict_overflow_.
13987 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13989 * fold-const.c: Include intl.h.
13990 (fold_deferring_overflow_warnings): New static variable.
13991 (fold_deferred_overflow_warning): New static variable.
13992 (fold_deferred_overflow_code): New static variable.
13993 (fold_defer_overflow_warnings): New function.
13994 (fold_undefer_overflow_warnings): New function.
13995 (fold_undefer_and_ignore_overflow_warnings): New function.
13996 (fold_deferring_overflow_warnings_p): New function.
13997 (fold_overflow_warning): New static function.
13998 (make_range): Add strict_overflow_p parameter. Change all
14000 (extract_muldiv, extract_muldiv_1): Likewise.
14001 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
14002 tree_expr_nonnegative_p.
14003 (fold_negate_expr): Call fold_overflow_warning.
14004 (fold_range_test): Likewise.
14005 (fold_comparison): Likewise.
14006 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
14007 instead of tree_expr_nonnegative_p.
14008 (tree_expr_nonnegative_warnv_p): Rename from
14009 tree_expr_nonnegative_p, add strict_overflow_p parameter.
14010 (tree_expr_nonnegative_p): New function.
14011 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
14012 strict_overflow_p parameter.
14013 (tree_expr_nonzero_p): New function.
14014 * passes.c (verify_interpass_invariants): New static function.
14015 (execute_one_pass): Call it.
14016 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
14018 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
14019 (estimate_numbers_of_iterations): Likewise.
14020 (scev_probably_wraps_p): Likewise.
14021 * tree-ssa-ccp.c: Include "toplev.h".
14022 (evaluate_stmt): Defer fold overflow warnings until we know we are
14024 (struct fold_stmt_r_data): Add stmt field.
14025 (fold_stmt_r): Defer fold overflow warnings until we know we
14027 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
14028 (fold_stmt_inplace): Likewise.
14029 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
14030 (cleanup_control_expr_graph): Defer fold overflow warnings until
14031 we know we are going to optimize.
14032 * tree-cfg.c (fold_cond_expr_cond): Likewise.
14033 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
14035 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
14036 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
14037 * tree-ssa-loop-manip.c (create_iv): Likewise.
14038 * c-typeck.c (build_conditional_expr): Likewise.
14039 (build_binary_op): Likewise.
14040 * tree-vrp.c (vrp_expr_computes_nonzero): Call
14041 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
14042 (extract_range_from_unary_expr): Likewise.
14043 * simplify-rtx.c (simplify_const_relational_operation): Warn when
14044 assuming that signed overflow does not occur.
14045 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
14046 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
14047 (fold_defer_overflow_warnings): Declare.
14048 (fold_undefer_overflow_warnings): Declare.
14049 (fold_undefer_and_ignore_overflow_warnings): Declare.
14050 (fold_deferring_overflow_warnings_p): Declare.
14051 (tree_expr_nonzero_warnv_p): Declare.
14052 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
14053 of warning options.
14054 (Warning Options): Document -Wstrict-overflow.
14055 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
14056 (tree-ssa-ccp.o): Likewise.
14057 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
14058 (fold-const.o): Depend on intl.h.
14060 2007-02-13 Ian Lance Taylor <iant@google.com>
14062 PR middle-end/30751
14063 * lower-subreg.c (resolve_simple_move): Decompose subregs in
14066 2007-02-13 Stuart Hastings <stuart@apple.com>
14068 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
14070 2007-02-13 Richard Henderson <rth@redhat.com>
14072 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
14073 handled_component_p before looking for the indirect_ref.
14075 2007-02-13 Richard Henderson <rth@redhat.com>
14077 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
14078 remove flags clobber.
14079 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
14080 (bswaphi_lowpart): New.
14081 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
14082 remove TARGET_BSWAP test. Delete expander of the same name.
14084 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
14085 (expand_unop): Use them.
14087 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
14089 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
14090 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
14091 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
14092 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
14093 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
14094 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
14095 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
14096 assembler dialect choice from asm templates.
14098 2007-02-12 Richard Henderson <rth@redhat.com>
14100 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
14101 (fixuns_trunc<SSEMODEF>si2): Use it.
14102 * config/i386/sse.md (vec_setv4sf_0): Export.
14103 * config/i386/i386.c (ix86_build_const_vector): Export.
14104 (ix86_split_convert_uns_si_sse): Rename from
14105 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
14106 * config/i386/i386-protos.h: Update.
14108 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14111 * c-typeck.c (c_finish_return): Improve warning message.
14113 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14115 * alias.c (find_symbolic_term): Delete unused function.
14117 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
14119 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
14120 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
14121 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
14123 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14125 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
14126 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
14127 the function, temporarily point the debug interface to the null one.
14129 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14131 * dwarf2out.c (round_up_to_align): New static function.
14132 (field_byte_offset): Use it to round the offset.
14134 2007-02-12 Richard Henderson <rth@redhat.com>
14136 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
14137 (inswl_const): Export.
14139 2007-02-12 Richard Henderson <rth@redhat.com>
14141 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
14142 result mode of the libcall, convert back to outmode.
14144 2007-02-12 Roger Sayle <roger@eyesopen.com>
14146 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
14147 (bswapdi2): New define_expand to implement 32-bit implementation.
14149 2007-02-12 Nick Clifton <nickc@redhat.com>
14151 * doc/invoke.texi (Overall Options): Document --help=.
14152 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
14153 (cc1_options): Pass --help= on to cc1.
14154 (display_help): Add description of --help=.
14155 (process_command): Add code to handle --help=. Allow translated
14156 --help and --target-help switches to be passed on to compiler
14158 (main): Remove unused if statement.
14159 * opts.c (columns): Remove.
14160 (LEFT_COLUMN): Define.
14161 (wrap_help): Add columns argument.
14162 (print_filtered_help): Change parameters to be an include bitmask,
14163 an exclude bitmask, an any bitmask and the column width. Move the
14164 code to display the params list here. Add code to display the
14165 status of options rather than their descriptions if the quiet flag
14167 (print_specific_help): Change parameters to be an include bitmask,
14168 an exclude bitmask and an any bitmask. Move code to look up the
14169 column width here. Decide upon the title for an options listing.
14170 (common_handle_options): Add code to handle --help=. Adapt code
14171 for --help and --target-help to use the revised form of the
14172 print_specific_help function.
14173 (print_help): Delete.
14174 (print_param_help): Delete.
14175 (print_switch): Delete.
14176 * opts.h (cl_lang_count): Add prototype.
14177 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
14178 CL_MAX_OPTION_CLASS): New defines.
14179 * optc-gen.awk: Add construction of cl_lang_count.
14180 * c.opt: Add Warning attribute to warning options and Optimization
14181 attribute to optimization options.
14182 * common.opt: Likewise.
14184 Add -fhelp and -ftarget-help as aliases for the transformed --help
14185 and --target-help options.
14186 * opt-functions.awk: Add code to handle Warning and Optimization
14189 2007-02-12 Richard Henderson <rth@redhat.com>
14191 * config/alpha/constraints.md: New file.
14192 * config/alpha/alpha.c: Include tm-constrs.h.
14193 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
14194 alpha_extra_constraint): Remove.
14195 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
14196 * config/alpha/alpha-protos.h: Update.
14197 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
14198 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
14199 (EXTRA_CONSTRAINT): Remove.
14200 * config/alpha/alpha.md: Include constraints.md.
14201 (adddi splitter): Use satisfies_constraint_*.
14202 * config/alpha/predicates.md (add_operand): Likewise.
14203 (sext_add_operand, addition_operation): Likewise.
14205 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
14207 PR tree-optimization/29145
14208 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
14209 in our handling of restrict qualified pointers.
14211 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14214 * doc/invoke.texi (Wunused-value): Update description.
14215 (Wextra): Delete item.
14216 * opts.c (set_Wextra): Don't use the value of Wextra to set the
14217 value of Wunused-value.
14218 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
14219 (c_finish_stmt_expr): Don't check extra_warnings.
14220 (emit_side_effect_warnings): The caller is responsible to check
14223 2007-02-11 Roger Sayle <roger@eyesopen.com>
14224 Matt Thomas <matt@3am-software.com>
14226 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
14228 2007-02-11 Roger Sayle <roger@eyesopen.com>
14230 * simplify-rtx.c (simplify_relational_operation_1): Optimize
14231 comparisons of POPCOUNT against zero.
14232 (simplify_const_relational_operation): Likewise.
14234 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14236 * doc/invoke.texi (Wextra): Delete outdated paragraph.
14238 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14240 * dwarf2out.c (root_type): Delete unused function.
14242 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14244 * genattrtab.c (contained_in_p): Delete unused function.
14245 (write_expr_attr_cache): Likewise.
14247 2007-02-11 Jan Hubicka <jh@suse.cz>
14249 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
14252 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
14254 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
14255 to add the REG_EQ* note.
14256 * see.c (see_merge_one_use_extension): Likewise.
14257 * local-alloc.c (update_equiv_regs): Likewise. Also don't
14258 turn REG_EQUAL notes into REG_EQUIV notes if the target
14259 register may have more than one set.
14260 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
14261 * gcse.c (try_replace_reg): Likewise.
14262 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
14263 * calls.c (fixup_tail_calls): Likewise. Abort if there is
14264 more than one REG_EQUIV note.
14265 * reload1.c (gen_reload): Use set_unique_reg_note.
14267 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
14269 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
14270 (ix86_builtin_conversion): New function.
14272 2007-02-06 Mark Mitchell <mark@codesourcery.com>
14275 * tree.h (DECL_REPLACEABLE_P): New macro.
14276 * except.c (set_nothrow_function_flags): Likewise.
14278 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
14279 Ira Rosen <irar@il.ibm.com>
14280 Dorit Nuzman <dorit@il.ibm.com>
14282 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
14283 * targhooks.c (default_builtin_vectorized_conversion): New.
14284 * targhooks.h (default_builtin_vectorized_function): New declaration.
14285 * target.h (struct vectorize): Add builtin_conversion field.
14286 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
14287 stmt_vec_info_type value.
14288 (vectorizable_conversion): New declaration.
14289 * tree-vect-analyze.c (vect_analyze_operations): Add
14290 vectorizable_conversion call.
14291 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
14292 * tree-vect-transform.c (vectorizable_conversion): New function.
14293 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
14294 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
14296 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
14297 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
14298 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
14299 or ALTIVEC_BUILTIN_VCFSX.
14301 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14304 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
14305 CONST_DOUBLE and operand 0 is a hard register.
14306 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
14307 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
14308 is a hard floating-point register.
14310 2007-02-10 Richard Henderson <rth@redhat.com>
14311 Jakub Jelinek <jakub@redhat.com>
14312 Alexandre Oliva <aoliva@redhat.com>
14314 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
14315 * builtin-types.def (BT_WORD): Make unsigned.
14316 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
14317 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
14318 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
14319 * c-decl.c (grokdeclarator): Don't error if !have_tls.
14320 * c-parser.c (c_parser_omp_threadprivate): Likewise.
14321 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
14323 * expr.c (emutls_var_address): New.
14324 (expand_expr_real_1): Expand emulated tls.
14325 (expand_expr_addr_expr_1): Likewise.
14326 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
14327 * output.h (emutls_finish): Declare.
14328 * toplev.c (compile_file): Call it.
14329 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
14330 address before wrapping in CONST.
14331 * varasm.c (emutls_htab, emutls_object_type): New.
14332 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
14333 (get_emutls_object_name, get_emutls_object_type): New.
14334 (get_emutls_init_templ_addr, emutls_decl): New.
14335 (emutls_common_1, emutls_finish): New.
14336 (assemble_variable): When emulating tls, swap decls; generate
14337 constructor for the emutls objects.
14338 (do_assemble_alias): When emulating tls, swap decl and target name.
14339 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
14341 * varpool.c (decide_is_variable_needed): Look at force_output.
14342 Recurse for emulated tls.
14343 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
14344 with decide_is_variable_needed.
14345 * emutls.c: New file.
14346 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
14347 tls_object for real tls.
14349 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
14351 PR rtl-optimization/29599
14352 * reload1.c (eliminate_regs_in_insn): Take the destination
14353 mode into account when computing the offset.
14355 2007-02-09 Stuart Hastings <stuart@apple.com>
14356 Richard Henderson <rth@redhat.com>
14358 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14359 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14360 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
14361 fixuns_truncdfhi2): New.
14362 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
14363 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
14364 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
14365 (floatunssidf2): Allow nonimmediate source.
14366 * config/i386/sse.md (movdi_to_sse): New.
14367 (vec_concatv2di): Drop '*'.
14368 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
14369 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14370 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
14372 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
14373 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14374 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
14375 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
14376 (ix86_build_signbit_mask): Fix decl of v, refactor to call
14377 ix86_build_const_vector.
14378 (x86_emit_floatuns): Rewrite.
14380 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14382 * genautomata.c (longest_path_length): Delete unused function.
14383 (struct state): Delete unused longest_path_length.
14384 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
14385 (get_free_state): Delete unused.
14387 2007-02-09 Jan Hubicka <jh@suse.cz>
14389 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
14390 * doc/invoke.texi (inline-unit-growth): Update default value.
14392 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
14393 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
14394 (rebuild_cgraph_edges): Likewise.
14395 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
14396 (dump_cgraph_node): Dump frequencies.
14397 (cgraph_clone_edge): Add frequency scales.
14398 (cgraph_clone_node): Add freuqnecy.
14399 * cgraph.h (cgraph_edge): Add freuqnecy argument.
14400 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
14401 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
14402 * tree-pass.h (TODO_rebuild_frequencies): New constant.
14403 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
14404 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
14405 (save_inline_function_body): Likewise.
14406 * ipa-inline.c: inluce rtl.h
14407 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
14408 (cgraph_edge_badness): Use frequencies.
14409 (cgraph_decide_recursive_inlining): Update clonning.
14410 (cgraph_decide_inlining_of_small_function): Dump frequency.
14411 * predict.c (estimate_bb_frequencies): Export.
14412 * predict.h (estimate_bb_frequencies): Declare.
14413 * tree-inline.c (copy_bb): Watch overflows.
14414 (expand_call_inline): Update call of cgraph_create_edge.
14415 (optimize_inline_calls): Use TODO flags to update frequnecies.
14416 * passes.h: Include predict.h
14417 (init_optimization_passes): Move profile ahead.
14418 (execute_function_todo): Handle TODO_rebuild_frequencies.
14420 2007-02-09 Roger Sayle <roger@eyesopen.com>
14422 * config/alpha/alpha.c (emit_insxl): Force the first operand of
14423 the insbl or inswl pattern into a register.
14425 2007-02-09 Roger Sayle <roger@eyesopen.com>
14427 * config/ia64/ia64.md (bswapdi2): New define_insn.
14429 2007-02-09 Richard Henderson <rth@redhat.com>
14431 * config/i386/constraints.md (Ym): New constraint.
14432 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
14433 (movdi_1_rex64): Split sse and xmm general register moves from
14434 memory move alternatives. Use conditional register constraints.
14435 (movsf_1, movdf_integer): Likewise.
14436 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14437 (movdf_integer_rex64): New.
14438 (pushsf_rex64): Fix output constraints.
14439 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
14440 (sse2_stored): Likewise.
14441 (sse2_storeq_rex64): New.
14442 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
14443 amd and not generic.
14444 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
14445 for optimize_size. Remove SF/DFmode hack.
14447 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
14449 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
14452 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
14453 Richard Sandiford <richard@codesourcery.com>
14455 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
14456 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
14457 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
14458 m68k/t-mlib to tmake_file.
14459 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
14460 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
14461 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
14462 Allow it to be cf or m68k. Set m68k_arch_family. If that
14463 variable is not empty, add t-$m68k_arch_family to tmake_file.
14464 Add t-mlibs to tmake_file.
14465 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
14466 * config/m68k/t-cf: New file.
14467 * config/m68k/t-m68k: Likewise.
14468 * config/m68k/t-mlibs: Likewise.
14469 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14470 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14471 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14472 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14473 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
14475 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
14476 (INSTALL_LIBGCC): Delete.
14477 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14478 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14479 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14480 (M68K_MLIB_CPU): Define.
14481 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14482 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14483 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
14485 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14486 Richard Guenther <rguenther@suse.de>
14488 PR middle-end/23361
14489 * fold-const.c (fold_comparison): Handle obfuscated comparisons
14490 against INT_MIN/INT_MAX.
14491 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
14492 file if a loop is removed.
14494 2007-02-09 Joseph Myers <joseph@codesourcery.com>
14496 * calls.c (store_one_arg): Pass correct alignment to
14497 emit_push_insn for non-BLKmode values.
14498 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
14499 unaligned stack slot via a suitably aligned slot.
14501 2007-02-08 DJ Delorie <dj@redhat.com>
14503 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
14505 (legal_subregs): Use unsigned char, make const.
14506 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
14508 2007-02-08 Paul Brook <paul@codesourcery.com>
14510 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
14511 special interworking needed.
14513 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
14515 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
14516 conditional to __SSE2__.
14517 (Entries below should have been added to first ChangeLog
14518 entry for amdfam10 dated 2007-02-05)
14519 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
14521 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
14523 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
14526 2007-02-08 DJ Delorie <dj@redhat.com>
14528 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
14529 * config/m32c/m32c.c (legal_subregs): New.
14530 (m32c_illegal_subreg_p): New.
14531 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
14532 unsupported subregs of hard regs.
14534 2007-02-08 Jan Hubicka <jh@suse.cz>
14536 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
14537 the same one; always update histograms.
14539 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14541 * passes.c (init_optimization_passes): Tidy comment.
14543 2007-02-08 Roger Sayle <roger@eyesopen.com>
14545 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
14546 strip zero_extend, bswap and rotates from POCOUNT's argument.
14547 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
14548 zero_extend and rotates from PARITY's argument.
14549 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
14550 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
14551 of an integer constant at compile-time.
14553 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14556 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
14558 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
14561 * tree-ssa-live.c (remove_unused_locals): Do not remove
14562 TREE_ADDRESSABLE variables.
14563 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
14564 * tree-ssa-operands.c (add_virtual_operand): Remove argument
14565 FOR_CLOBBER. Update all users.
14566 If VAR has an associated alias set, add a virtual operand for
14567 it if no alias is found to conflict with the memory reference.
14569 2007-02-07 Jan Hubicka <jh@suse.cz>
14570 Robert Kidd <rkidd@crhc.uiuc.edu>
14572 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
14574 2007-02-07 Ian Lance Taylor <iant@google.com>
14576 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
14578 2007-02-07 Roger Sayle <roger@eyesopen.com>
14580 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
14581 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
14582 tablejumpdi, movsi_to_cr_one): Remove constraints from
14583 define_expand's match_operands.
14585 2007-02-07 Roger Sayle <roger@eyesopen.com>
14587 * global.c (compute_regsets): Move declatation of "i" inside of
14588 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
14590 2007-02-07 Jakub Jelinek <jakub@redhat.com>
14593 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
14594 of INDIRECT_REF <RESULT_DECL>.
14596 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
14598 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
14599 Kaz Kojima <kkojima@gcc.gnu.org>
14602 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
14604 (sh_initialize_trampoline): Add parentheses to avoid a warning.
14606 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14608 * doc/loop.texi: Document possibility not to perform disambiguation
14609 of loops with multiple latches.
14610 * cfgloopmanip.c (alp_enum_p): Removed.
14611 (add_loop): Handle subloops. Use get_loop_body_with_size.
14612 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
14613 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
14614 the new forwarder block.
14615 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
14616 Handle the case latch is NULL.
14617 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
14618 modifications when marking loop exits.
14619 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
14621 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
14622 disambiguate_loops_with_multiple_latches.
14623 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
14624 before fix_loop_structure.
14625 * cfgloop.c: Include pointer-set.h and output.h.
14626 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
14627 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
14628 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
14629 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
14630 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
14631 disambiguate_multiple_latches, get_loop_body_with_size,
14632 disambiguate_loops_with_multiple_latches): New functions.
14633 (flow_loop_dump): Dump multiple latch edges.
14634 (flow_loop_nodes_find): Handle loops with multiple latches.
14635 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
14636 (glb_enum_p): Modified.
14637 (get_loop_body): Use get_loop_body_with_size.
14638 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
14639 (AVOID_CFG_MODIFICATIONS): New constant.
14640 (disambiguate_loops_with_multiple_latches, add_loop,
14641 get_loop_body_with_size): Declare.
14642 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
14644 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
14646 PR inline-asm/28686
14647 * global.c (compute_regsets): New function.
14648 (global_alloc): Refactored ELIMINABLE_REGSET
14649 and NO_GLOBAL_ALLOC_REGS computation out.
14650 (rest_of_handle_global_alloc): Call compute_regsets()
14651 for non-optimizing case.
14653 2007-02-06 Richard Henderson <rth@redhat.com>
14655 * config/i386/constraints.md (Y2): Rename from Y.
14656 (Yi): New constraint.
14657 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
14658 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
14659 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
14660 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
14661 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
14662 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
14663 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
14664 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
14665 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
14666 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
14667 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
14668 vec_extractv2si_1): Change Y constraints to Y2.
14669 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
14670 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
14671 Change Y constraints to Y2.
14672 (sse2_loadld): Change Y constraints to x.
14674 2007-02-06 Roger Sayle <roger@eyesopen.com>
14676 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
14677 (parity<mode>2): New define_expand using rs6000_emit_parity.
14678 * config/rs6000/rs6000.c (rs6000_emit_popcount,
14679 rs6000_emit_parity): New functions.
14680 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14681 rs6000_emit_parity): Prototype here.
14683 2007-02-06 Ian Lance Taylor <iant@google.com>
14685 * lower-subreg.c (simple_move_operand): Reject CONST.
14686 (resolve_clobber): Call validate_change rather than directly
14687 assigning to XEXP (pat, 0).
14689 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14691 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14692 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14693 (tree-cfg.o): Remove hashtab.h dependency.
14695 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14696 (struct ivopts_data): Change niters to pointer_map_t.
14697 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14698 (niter_for_exit): Create pointer_map on demand. Change for
14700 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14701 (free_loop_data): Destroy data->niters if created and reset field.
14702 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14703 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14705 * tree-ssa-reassoc.c: Include pointer-set.h.
14706 (bb_rank): Change to long *.
14707 (operand_rank): Change to pointer_map_t.
14708 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14709 (insert_operand_rank): Accept long.
14710 (operand_entry_hash, operand_entry_eq): Remove.
14711 (get_rank): Return long. Adjust for changes above.
14712 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14714 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14716 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14717 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14718 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14720 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14721 directly since it cannot be NULL.
14722 (get_vi_for_tree): Rewrite for pointer_map API.
14723 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14724 (init_alias_vars): Create vi_for_tree as pointer_map.
14725 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14727 * tree-cfg.c: Don't include hashtab.h.
14728 (edge_to_cases): Declare as pointer_map.
14729 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14731 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14732 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14733 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14735 (record_switch_edge): Delete.
14736 (get_cases_for_edge): Adjust for pointer_map API, inline
14737 record_switch_edge (rewritten for new API), remove goto.
14739 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14741 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14742 * tree-nested.c: Include pointer-set.h.
14743 (var_map_elt, var_map_eq, var_map_hash): Delete.
14744 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14745 to pointer_map_t's.
14746 (nesting_info_bitmap_obstack): New.
14747 (lookup_field_for_decl): Adjust for pointer_map API.
14748 (lookup_tramp_for_decl): Adjust for pointer_map API.
14749 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14750 (get_local_debug_decl): Adjust for pointer_map API.
14751 (convert_nl_goto_reference): Adjust for pointer_map API.
14752 (convert_nl_goto_receiver): Adjust for pointer_map API.
14753 (create_nesting_tree): Create outside GGC space. Create bitmap on
14754 the new obstack. Create field_map and var_map as pointer_maps.
14755 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14757 (lower_nested_functions): Move root here, no need to NULL it.
14758 Initialize and release the obstack.
14760 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14762 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14763 Remove prototypes and make them non-static.
14764 (struct tree_int_map): Remove.
14765 * tree.h (struct tree_int_map): Move here, turning TO into an
14767 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14769 * tree.h (TREE_COMPLEXITY): Remove.
14770 (struct tree_exp): Remove complexity field.
14771 * tree.c (build1_stat): Don't set it.
14773 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14774 Victor Kaplansky <victork@il.ibm.com>
14776 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14777 (vect_is_simple_reduction): Support reduction with induction as
14778 one of the operands.
14779 (vect_is_simple_iv_evolution): Fix formatting.
14780 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14781 formatting. Don't mark induction phis for vectorization.
14782 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14783 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14784 (vect_get_vec_def_for_operand): Support induction.
14785 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14787 (vectorizable_reduction): Support reduction with induction as one of
14789 (vectorizable_type_demotion): Use def-type of stmt argument rather
14790 than dummy def-type.
14792 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14793 flag_tree_scev_cprop.
14794 * common.opt (tree-scev-cprop): New flag.
14796 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14797 call to vect_get_new_vect_var.
14799 2007-02-06 Ira Rosen <irar@il.ibm.com>
14801 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14802 vectype is not NULL.
14803 (vect_pattern_recog_1): Likewise.
14805 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14807 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14808 (fold_negate_expr): Likewise.
14810 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14813 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14814 even if cv-qualification is the same.
14816 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14818 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14819 __enable_execute_stack on completion.
14821 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14823 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14824 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14825 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14826 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14827 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14828 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14829 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14830 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14832 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14834 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14835 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14836 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14837 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14838 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14839 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14840 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14841 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14842 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14843 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14844 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14845 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14846 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14847 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14848 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14849 sqrtextenddfxf2_i387): Added amdfam10_decode.
14851 * config/i386/athlon.md (athlon_idirect_amdfam10,
14852 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14853 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14854 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14855 athlon_ivector_store_amdfam10): New define_insn_reservation.
14856 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14859 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14861 * config/i386/athlon.md (athlon_call_amdfam10,
14862 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14863 define_insn_reservation.
14864 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14865 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14866 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14868 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14870 * config/i386/athlon.md (athlon_sseld_amdfam10,
14871 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14872 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14874 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14876 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14877 define_insn_reservation.
14878 * config/i386/i386.md (sseins): Added sseins to define_attr type
14879 and define_attr unit.
14880 * config/i386/sse.md: Set type attribute to sseins for insertq
14883 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14885 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14886 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14887 ssecomi_load_amdfam10, ssecomi_amdfam10,
14888 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14889 define_insn_reservation.
14890 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14892 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14894 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14895 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14896 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14897 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14898 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14899 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14900 define_insn_reservation.
14902 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14903 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14904 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14905 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14906 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14908 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14910 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14911 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14912 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14913 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14914 athlon_ssemul_load_k8): Added amdfam10.
14916 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14918 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14919 (x86_sse_unaligned_move_optimal): New variable.
14921 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14923 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14924 for unaligned vector SSE double/single precision loads for AMDFAM10.
14926 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14928 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14929 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14930 Define TARGET_CPU_DEFAULT_amdfam10.
14931 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14932 (processor_type): Add PROCESSOR_AMDFAM10.
14934 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14935 processor_type in config/i386/i386.h.
14936 Enable imul peepholes for TARGET_AMDFAM10.
14938 * config.gcc: Add support for --with-cpu option for amdfam10.
14940 * config/i386/i386.c (amdfam10_cost): New variable.
14941 (m_AMDFAM10): New macro.
14942 (m_ATHLON_K8_AMDFAM10): New macro.
14943 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14944 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14945 x86_promote_QImode, x86_integer_DFmode_moves,
14946 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14947 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14948 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14949 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14950 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14951 Enable/disable for amdfam10.
14952 (override_options): Add amdfam10_cost to processor_target_table.
14953 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14954 processor_alias_table.
14955 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14956 (ix86_adjust_cost): Add code for amdfam10.
14958 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14960 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14961 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14962 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14963 * config/i386/i386.h: Add builtin definition for SSE4A.
14964 * config/i386/i386.md: Add support for ABM instructions
14965 (popcnt and lzcnt).
14966 * config/i386/sse.md: Add support for SSE4A instructions
14967 (movntss, movntsd, extrq, insertq).
14968 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14969 Add -march=amdfam10 flag.
14970 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14971 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14973 * doc/extend.texi: Add documentation for SSE4A builtins.
14975 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14977 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14979 2007-02-05 Richard Guenther <rguenther@suse.de>
14981 * tree-vectorizer.h (vectorizable_function): Add argument type
14982 argument, change return type.
14983 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14984 * tree-vect-transform.c (vectorizable_function): Handle extra
14985 argument, return vectorized function decl.
14986 (build_vectorized_function_call): Remove.
14987 (vectorizable_call): Handle calls with result and argument types
14988 differing. Handle loop vectorization factor correctly.
14989 * targhooks.c (default_builtin_vectorized_function): Adjust for
14991 * targhooks.h (default_builtin_vectorized_function): Likewise.
14992 * target.h (builtin_vectorized_function): Add argument type
14994 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
14995 extra argument, allow vectorizing of lrintf.
14996 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
14997 documentation of target hook.
14999 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
15002 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
15003 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
15004 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
15006 2007-02-05 Roger Sayle <roger@eyesopen.com>
15008 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
15009 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
15010 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
15011 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
15012 before canonicalizing sincos to cexpi.
15013 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
15015 2007-02-05 Roger Sayle <roger@eyesopen.com>
15017 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
15018 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
15019 (alpha_init_builtins): Use alpha_add_builtins to process tables.
15021 2007-02-05 Roger Sayle <roger@eyesopen.com>
15023 * mips-tfile.c (initialize_init_file): Correct endianness test.
15025 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
15027 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
15028 the 'y' constraint.
15030 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15032 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
15033 saves in a PARALLEL before the register assignments.
15035 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15037 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
15038 DWARF_FRAME_RETURN_COLUMN to be a general register.
15039 * dwarf2out.c (init_return_column_size): New function, split from...
15040 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
15041 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
15042 to be nongeneral registers.
15043 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
15045 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
15046 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
15048 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15050 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
15052 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15054 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
15055 (remove_path): Use can_remove_branch_p and remove_branch instead
15056 of loop_delete_branch_edge.
15057 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
15058 (tree_transform_and_unroll_loop): Remove dead branches immediately.
15059 Update profile using scale_dominated_blocks_in_loop.
15060 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
15061 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
15062 (can_remove_branch_p, remove_branch): Declare.
15063 * tree-cfg.c (tree_can_remove_branch_p): New function.
15064 (tree_cfg_hooks): Add tree_can_remove_branch_p.
15065 * cfgrtl.c (rtl_can_remove_branch_p): New function.
15066 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
15068 2007-02-05 Jan Hubicka <jh@suse.cz>
15070 PR middle-end/30696
15071 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
15072 nodes in cgraph, don't remove offline copy of the function.
15074 2007-02-04 Jan Hubicka <jh@suse.cz>
15076 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
15077 vectors might cause maybe_lookup_element_for_expr to be called
15078 on non-sra-candidate.
15080 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15082 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
15083 config/bfin/bfin.md, config/bfin/predicates.md: Follow
15084 spelling conventions.
15086 2007-02-04 Richard Guenther <rguenther@suse.de>
15088 PR middle-end/30636
15089 * fold-const.c (try_move_mult_to_index): Make sure to not
15090 overflow one dimension of a multi-dimensional array access.
15092 2007-02-04 Jan Hubicka <jh@suse.cz>
15094 * passes.c (init_optimization_passes): Reindent.
15096 2007-02-04 Jan Hubicka <jh@suse.cz>
15097 Eric Botcazou <ebotcazou@adacore.com>
15099 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
15100 (execute_fixup_cfg): Break out the abnormal goto code.
15101 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
15102 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
15103 (optimize_inline_calls): Call make_nonlocal_label_edges.
15105 2007-02-04 Jan Hubicka <jh@suse.cz>
15107 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
15108 true when something was changed.
15109 (rename_ssa_copies): When something was changed, do
15110 TODO_remove_unused_locals.
15111 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
15112 add TODO_remove_unused_locals when instruction was removed.
15114 2007-02-04 Jan Hubicka <jh@suse.cz>
15116 * ipa-inline.c (try_inline): Improve debug output; work on already
15118 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
15119 call try_inline for already inlined edges too when flattening;
15120 inline also functions that make callee growth but overall unit size
15123 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15125 * config/m32c/bitops.md, config/m32c/jump.md,
15126 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
15127 config/m32r/m32r.h, config/m32r/m32r.md,
15128 config/m32r/predicates.md, config/m68hc11/larith.asm,
15129 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
15130 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
15131 config/mips/mips-protos.h, config/mips/mips.c,
15132 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
15133 config/mn10300/mn10300.h, config/mn10300/predicates.md,
15134 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
15135 spelling conventions.
15137 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
15138 Follow spelling conventions.
15140 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
15142 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
15143 warn about C++0x compatibility.
15145 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15147 * config/h8300/h8300.c, config/h8300/h8300.h,
15148 config/h8300/h8300.md: Follow spelling conventions.
15150 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
15152 PR middle-end/30667
15153 * combine.c (try_combine): Do not substitute source operand
15154 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
15156 2007-02-03 Jan Hubicka <jh@suse.cz>
15158 PR gcov-profile/30650
15159 * value-prof.c (stringop_block_profile): Fix handling of size counter;
15160 do not divide by zero for never executed counters.
15161 (tree_find_values_to_profile): Fix counters.
15162 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
15164 2007-02-03 Ian Lance Taylor <iant@google.com>
15166 * lower-subreg.c (simple_move_operand): New static function,
15167 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
15169 (simple_move): Call simple_move_operand.
15170 (find_decomposable_subregs): Add special handling of MEMs.
15171 (can_decompose_p): Rename from cannot_decompose_p. Reverse
15172 meaning of return value. If we see a hard register, test whether
15173 it can store a word_mode value. Change all callers.
15175 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15177 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
15178 ftrapv insns and expanders.
15179 (subdi3): Change define_expand operand 1 to arith11_operand, and
15180 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
15181 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
15182 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
15185 PR middle-end/30174
15186 * varasm.c (notice_global_symbol): Treat global objects as weak when
15187 flag_shlib is true.
15189 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15191 * emit-rtl.c (dconstpi): Delete.
15192 (dconstsqrt2): New.
15193 (init_emit_once): Delete dconstpi and init dconstsqrt2.
15194 * real.h (dconstpi): Delete.
15195 (dconstsqrt2): New.
15196 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
15197 (fold_builtin_hypot): Likewise.
15199 2007-02-03 Tom Tromey <tromey@redhat.com>
15202 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
15203 -gcoff3, -gxcoff3, -gvms3 implies -dD.
15205 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
15207 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
15208 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
15209 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
15210 config/rs6000/cell.md, config/rs6000/darwin.h,
15211 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
15212 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
15213 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
15214 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
15215 typos. Follow spelling conventions.
15216 * doc/invoke.texi: Follow spelling conventions.
15218 2007-02-03 Roger Sayle <roger@eyesopen.com>
15220 * simplify-rtx.c (simplify_relational_operation_1): Implement some
15221 canonicalization transformations that attempt to simplify integer
15222 constant comparisons to become comparisons against zero.
15224 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15226 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
15228 * fold-const.c (fold_binary): Fix comment typos. Fold complex
15229 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
15231 2007-02-02 Mike Stump <mrs@apple.com>
15233 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
15234 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
15235 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
15236 generate a branch island.
15238 2007-02-02 Bob Wilson <bob.wilson@acm.org>
15240 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
15241 (xtensa_legitimate_address_p): New.
15242 (xtensa_legitimize_address): New.
15243 (xtensa_output_addr_const_extra): New.
15244 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
15246 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
15247 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
15248 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
15249 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
15250 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
15251 (xtensa_legitimize_address): New.
15252 (xtensa_output_addr_const_extra): New.
15254 2007-02-02 Steve Ellcey <sje@cup.hp.com>
15256 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
15258 2007-02-02 Ian Lance Taylor <iant@google.com>
15260 * expmed.c (expand_divmod): Add comment.
15262 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
15264 * emit-rtl.c (renumber_insns): Remove.
15265 * flags.h: Remove the extern for flag_renumber_insns.
15266 * rtl.h: Remove the prototype for renumber_insns.
15267 * toplev.c (flag_renumber_insns): Remove.
15269 2007-02-02 Hui-May Chang <hm.chang@apple.com>
15271 Revert for x86 darwin:
15272 2005-06-19 Uros Bizjak <uros@kss-loka.si>
15274 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
15275 code before the following patch under TARGET_MACHO.
15276 (ix86_function_value_regno_p): Likewise.
15278 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15280 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
15283 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15286 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
15287 loads to general or fp registers. Add comments.
15288 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
15290 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
15292 * pointer-set.c (insert_aux): Only return insertion slot.
15293 (pointer_set_insert): Adjust.
15294 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
15295 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
15296 pointer_map_traverse): New.
15297 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
15298 pointer_map_create, pointer_map_destroy, pointer_map_insert,
15299 pointer_map_contains, pointer_map_traverse): Declare.
15301 2007-02-02 Jakub Jelinek <jakub@redhat.com>
15303 PR middle-end/30473
15304 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
15305 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
15307 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15309 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
15311 (struct _dep): New type.
15312 (dep_t): New typedef.
15313 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
15314 (DEP_STATUS): New access macro. The macro with the same name was
15315 renamed to DEP_LINK_STATUS.
15316 (dep_init): Declare function
15318 (struct _dep_link): New type.
15319 (dep_link_t): New typedef.
15320 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
15321 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
15322 (DEP_LINK_STATUS): New macro.
15323 (debug_dep_links): New debug function.
15325 (struct _deps_list): New type.
15326 (deps_list_t): New typedef.
15327 (DEPS_LIST_FIRST): New access macro.
15328 (FOR_EACH_DEP_LINK): New cycle macro.
15329 (create_deps_list, free_deps_list, delete_deps_list): Declare
15331 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
15332 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
15333 (copy_deps_list_change_con): Ditto.
15335 (move_dep_link): Declare function.
15337 (struct _dep_node): New type.
15338 (dep_node_t): New typedef.
15339 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
15341 (struct haifa_insn_data.back_deps): New field to hold backward
15342 dependencies of the insn.
15343 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
15345 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
15346 Change its type to deps_list_t.
15347 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
15348 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
15349 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
15351 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
15353 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
15355 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
15357 (dep_cost): Declare.
15359 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
15360 (ds_to_dk, dk_to_ds): New functions.
15362 (init_dep_1): New static function.
15363 (init_dep): New function.
15364 (copy_dep): New static function.
15366 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
15368 (detach_dep_link): New static function.
15369 (move_dep_link): New function.
15371 (dep_links_consistent_p, dump_dep_links): New static functions.
15372 (debug_dep_links): New debugging function.
15374 (deps_obstack, dl_obstack, dn_obstack): New static variables.
15376 (alloc_deps_list, init_deps_list): New static functions.
15377 (create_deps_list): New function.
15378 (clear_deps_list): New static function.
15379 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
15380 (deps_list_consistent_p, dump_deps_list): New static functions.
15381 (debug_deps_list): New function.
15382 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
15384 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
15386 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
15387 use new scheduler dependencies lists.
15388 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
15389 (sched_analyze): Ditto. Initialize dependencies lists.
15390 (add_forw_dep, compute_forward_dependences): Update to use new
15391 scheduler dependencies lists.
15393 (init_dependency_caches): Init deps_obstack.
15394 (free_dependency_caches): Free deps_obstack.
15396 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
15397 new scheduler dependencies lists.
15398 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
15399 (add_back_forw_dep, delete_back_forw_dep): Ditto.
15401 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
15402 Update to use new scheduler dependencies lists.
15403 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
15404 (debug_dependencies): Ditto.
15405 (schedule_region): Update comments.
15407 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
15408 scheduler dependencies lists.
15409 (schedule_ebb): Update comments.
15411 * rtl.def (DEPS_LIST): Remove.
15413 * lists.c (unused_deps_list): Remove.
15414 (free_list): Update assertions.
15416 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
15417 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15419 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
15420 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15422 * haifa-sched.c (comments): Update.
15423 (insn_cost1): Remove. Inline the code into insn_cost ().
15424 (insn_cost): Update to use new scheduler dependencies lists. Move
15425 processing of the dependency cost to dep_cost ().
15426 (dep_cost): New function. Use it instead of insn_cost () when
15427 evaluating cost of the dependency. Use compatible interface to
15428 interact with the target.
15429 (priority): Update to use new scheduler dependencies lists.
15430 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
15431 with greater number of insns that depend on the insn.
15432 (schedule_insn): Update to use new scheduler dependencies lists. Add
15433 code to free backward dependencies lists. Inline and optimize code
15434 from resolve_dep () - see PR28071.
15435 (ok_for_early_queue_removal): Update to use new scheduler dependencies
15436 lists. Update call to targetm.sched.is_costly_dependence hook.
15438 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
15439 scheduler dependencies lists.
15441 (resolve_dep): Remove. Move the logic to schedule_insn ().
15442 (init_h_i_d): Initialize dependencies lists.
15444 (process_insn_depend_be_in_spec): Rename to
15445 process_insn_forw_deps_be_in_spec. Update to use new scheduler
15446 dependencies lists.
15447 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
15448 Update to use new scheduler dependencies lists.
15449 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
15451 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
15452 new scheduler dependencies lists.
15453 (build_intra_loop_deps): Ditto.
15455 * target.h (struct _dep): Declare to use in
15456 gcc_target.sched.is_costly_dependence.
15457 (struct gcc_target.sched.adjust_cost): Fix typo.
15458 (struct gcc_target.sched.is_costly_dependence): Change signature to
15459 use single dep_t parameter instead of an equivalent triad.
15460 (struct gcc_target.sched.adjust_cost_2): Remove.
15462 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
15464 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
15466 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
15468 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
15470 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
15471 (REG_DEP_TRUE): Document.
15473 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
15474 Change signature to correspond to the targetm.sched.adjust_cost hook.
15475 Update use in TARGET_SCHED_ADJUST_COST_2.
15476 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
15477 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
15478 new scheduler dependencies lists.
15479 (ia64_gen_check): Ditto.
15481 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
15482 scheduler dependencies lists.
15484 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
15485 signature to correspond to the targetm.sched.is_costly_dependence hook.
15486 (is_costly_group): Update to use new scheduler dependencies lists.
15488 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
15489 instead of INSN_COST () macro.
15491 2007-02-01 Ian Lance Taylor <iant@google.com>
15493 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
15495 2007-02-01 Guy Martin <gmsoft@gentoo.org>
15497 * pa.md (tp_load): Correct mfctl instruction syntax.
15499 2007-02-01 Geoffrey Keating <geoffk@apple.com>
15501 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
15502 altivec_padding_size calculation on AIX. Improve comment, add
15503 assert to verify that it's right.
15505 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
15508 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
15510 PR inline-asm/28686
15511 * global.c (global_alloc): Add mising initialization of
15514 2007-02-01 Roger Sayle <roger@eyesopen.com>
15516 * alias.c (init_alias_analysis): Correct whitespace.
15517 * bb-reorder.c (fix_edges_for_rarely_executed_code,
15518 partition_hot_cold_basic_blocks): Likewise.
15519 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
15520 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
15521 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
15522 fold_builtin_snprintf_chk, fold_builtin_printf,
15523 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
15524 do_mpfr_arg3, do_mpfr_sincos): Likewise.
15525 * cfgcleanup.c (cleanup_cfg): Likewise.
15526 * cfgexpand.c (tree_expand_cfg): Likewise.
15527 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
15528 * function.c (get_next_funcdef_no): Likewise.
15529 * gengtype.c (main): Likewise.
15530 * genmodes.c (main): Likewise.
15531 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
15532 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
15533 * ifcvt.c (noce_emit_move_insn): Likewise.
15534 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
15536 * stor-layout.c (get_best_mode): Likewise.
15537 * tree-ssa-loop-niter.c (get_val_for): Likewise.
15538 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
15539 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
15540 perform_var_substitution, solve_graph): Likewise.
15541 * tree-vrp.c (vrp_finalize): Likewise.
15543 2007-02-01 Ian Lance Taylor <iant@google.com>
15545 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
15546 high part of a paradoxical subreg, return a constant zero.
15548 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
15550 * toplev.c (lang_dependent_init): Call init_set_costs.
15551 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
15553 2007-02-01 Richard Guenther <rguenther@suse.de>
15555 PR middle-end/30656
15556 * fold-const.c (fold_negate_expr): Allow negating a
15557 constant if overflow does not change.
15559 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15561 * doc/c-tree.texi (Expression trees): Improve markup.
15562 * doc/tm.texi (Register Classes, Addressing Modes)
15563 (Floating Point): Fix spacing after abbreviations. Fix some
15566 2007-02-01 Ben Elliston <bje@au.ibm.com>
15568 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
15569 * doc/contrib.texi: Likewise.
15570 * doc/install.texi: Likewise.
15572 2007-01-31 Richard Henderson <rth@redhat.com>
15573 Ian Lance Taylor <iant@google.com>
15575 * lower-subreg.c: New file.
15576 * rtl.def (CONCATN): Define.
15577 * passes.c (init_optimization_passes): Add pass_lower_subreg and
15578 pass_lower_subreg2.
15579 * emit-rtl.c (update_reg_offset): New static function, broken out
15580 of gen_rtx_REG_offset.
15581 (gen_rtx_REG_offset): Call update_reg_offset.
15582 (gen_reg_rtx_offset): New function.
15583 * regclass.c: Revert patch of 2006-03-05, restoring
15585 (clear_reg_info_regno): New function.
15586 * dwarf2out.c (concatn_loc_descriptor): New static function.
15587 (loc_descriptor): Handle CONCATN.
15588 * common.opt (fsplit_wide_types): New option.
15589 * opts.c (decode_options): Set flag_split_wide_types when
15591 * timevar.def (TV_LOWER_SUBREG): Define.
15592 * rtl.h (gen_reg_rtx_offset): Declare.
15593 (reg_scan_update): Declare.
15594 * regs.h (clear_reg_info_regno): Declare.
15595 * tree-pass.h (pass_lower_subreg): Declare.
15596 (pass_lower_subreg2): Declare.
15597 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
15598 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
15599 -fsplit-wide-types.
15600 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
15601 * Makefile.in (OBJS-common): Add lower-subreg.o.
15602 (lower-subreg.o): New target.
15604 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15606 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
15608 2007-01-31 Anatoly Sokolov <aesok@post.ru>
15611 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
15613 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15615 PR middle-end/29335
15616 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
15618 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
15620 * cfgloop.h: Include vec-prim.h.
15621 (enum li_flags): Remove LI_ONLY_OLD.
15622 (loop_iterator): Changed.
15623 (fel_next, fel_init): Iterate over loop tree.
15624 (FOR_EACH_LOOP_BREAK): New macro.
15625 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
15627 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
15628 * modulo-sched.c (sms_schedule): Ditto.
15629 * tree-vectorizer.c (vectorize_loops): Ditto.
15630 * doc/loop.texi: Update information on loop numbering and behavior of
15631 FOR_EACH_LOOP wrto new loops.
15632 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
15633 add_to_evolution_1): Test nestedness of loops instead of comparing
15635 * tree-chrec.c (chrec_fold_plus_poly_poly,
15636 chrec_fold_multiply_poly_poly, chrec_evaluate,
15637 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
15638 reset_evolution_in_loop): Ditto.
15639 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
15641 2007-01-31 Dirk Mueller <dmueller@suse.de>
15643 * c-common.c (warn_about_parentheses): Separate warning about
15644 un-parenthized sequence of comparison operators from the one
15645 which is supposed to warn about x <= y <= z.
15647 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
15649 * optabs.h (enum optab_index): Add new OTI_isinf.
15650 (isinf_optab): Define corresponding macro.
15651 * optabs.c (init_optabs): Initialize isinf_optab.
15652 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
15654 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
15655 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
15657 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
15658 expand_builtin_interclass_mathfn.
15659 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
15660 * config/i386/i386.md (UNSPEC_FXAM): New constant.
15661 (fxam<mode>2_i387): New insn pattern.
15662 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
15663 built-in functions as x87 inline asm.
15665 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15667 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
15669 2007-01-30 Eric Christopher <echristo@apple.com>
15671 * config.gcc: Add geode.
15673 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15675 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
15676 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
15677 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
15678 value-prof.c: Fix comment typos.
15680 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15683 * doc/invoke.texi (Wpointer-arith): Document warning.
15685 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15687 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15688 the list of discrepancies from the draft TR.
15690 2007-01-30 Dirk Mueller <dmueller@suse.de>
15693 * doc/invoke.texi (-Wreturn-type): Update description to
15694 match new behavior.
15696 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15698 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15700 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15702 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15703 to handle optabs that operate on floating point input argument and
15704 output to integer output.
15705 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15706 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15707 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15708 expand_builtin_interclass_mathfn ().
15709 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15710 (ilogbsi2): Remove.
15711 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15712 ilogbl built-in functions as x87 intrinsics.
15714 2007-01-30 Richard Guenther <rguenther@suse.de>
15716 PR middle-end/27657
15717 * dwarf2out.c (reference_to_unused): Query varpool if the
15718 variable was output.
15720 2007-01-30 Richard Guenther <rguenther@suse.de>
15722 PR middle-end/30313
15723 * passes.c (execute_one_pass): Reset in_gimple_form to not
15724 confuse non-unit-at-a-time mode.
15726 2007-01-29 Roger Sayle <roger@eyesopen.com>
15727 Richard Guenther <rguenther@suse.de>
15729 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15730 avoid undefined behaviour on overflow. Use force_fit_type_double
15731 to construct the constant with the specified TREE_OVERFLOW.
15733 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15735 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15736 * config/dfp-bit.h: Ditto.
15738 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15740 * c-decl.c (pop_scope): Replace warnings with call to
15741 warn_for_unused_label.
15742 * c-common.h (warn_for_unused_label): Declare.
15743 * c-common.c (warn_for_unused_label): Define.
15745 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15747 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15750 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15752 * Makefile.in (USER_H): Remove decfloat.h.
15753 * ginclude/decfloat.h: Delete, moving contents to ...
15754 * ginclude/float.h: Add support for decimal floating point,
15755 guarded by __STDC_WANT_DEC_FP__.
15757 2007-01-29 Mike Stump <mrs@apple.com>
15759 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15760 Analysis and Representation to resolve case insensitive conflict.
15761 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15763 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15765 * tree.h (struct tree_memory_tag): Add aliases member.
15766 (MTAG_ALIASES): New macro.
15767 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15768 (add_may_alias): Remove pointer-set. Update for may_aliases being
15770 (mark_aliases_call_clobbered): Update for may_aliases being a
15772 (compute_tag_properties): Ditto.
15773 (create_partition_for): Ditto.
15774 (compute_memory_partitions): Ditto.
15775 (dump_may_aliases_for): Ditto.
15776 (is_aliased_with): Ditto.
15777 (add_may_alias_for_new_tag): Ditto.
15778 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15779 (compute_is_aliased): New function.
15780 (compute_may_aliases): Call compute_is_aliased).
15781 (init_alias_info): Initialize alias_bitmap_obstack.
15782 (union_alias_set_into): New function.
15783 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15784 (have_common_aliases_p): Rewrite to take two bitmaps and use
15786 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15787 Update for bitmaps.
15788 (finalize_ref_all_pointers): Update for add_may_alias changes.
15789 (new_type_alias): Ditto.
15790 * tree-flow-inline.h (may_aliases): Return a bitmap.
15791 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15792 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15793 may_aliases being a bitmap.
15794 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15795 may_aliases now returns a bitmap.
15796 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15798 * tree-ssa-operands.c (add_virtual_operand): Update for
15799 may_aliases being a bitmap.
15801 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15803 PR tree-optimization/30630
15804 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15805 variable as changed.
15807 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15810 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15811 expanded only once even if an error occurs.
15813 2007-01-29 Ben Elliston <bje@au.ibm.com>
15815 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15816 (__gcov_average_profiler): Likewise.
15817 (__gcov_ior_profiler): Likewise.
15818 (__gcov_merge_ior): Likewise.
15820 2007-01-28 Jan Hubicka <jh@suse.cz>
15822 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15823 * value-prof.c (stringop_block_profile): Likewise.
15825 2007-01-28 Jan Hubicka <jh@suse.cz>
15827 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
15828 Add variant handling histograms; add wrapper.
15829 (clear_storage_via_libcall): Export.
15830 (emit_block_move_hints): Break out from ...; add histograms.
15831 (emit_block_move): ... this one.
15832 (clear_storage_hints): Break out from ...; add histograms.
15833 (clear_storage): ... this one.
15834 (set_storage_via_memset): Handle histogram.
15835 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15836 (clear_storage_hints, clear_storage_via_libcall): Declare.
15837 (set_storage_via_setmem): Update prototype.
15838 * doc/md.texi (movmem, setmem): Document new arguments.
15840 * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
15841 Add new histograms.
15842 (stringop_block_profile): New global function.
15843 (tree_stringops_values_to_profile): Profile block size and alignment.
15844 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15846 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15847 (stringop_block_profile): Declare.
15848 * builtins.c: Include value-prof.h.
15849 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15850 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15851 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15852 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15853 * profile.c (instrument_values): Add new counters.
15854 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15856 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15857 (tree_init_edge_profiler): Build new profilers.
15858 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15859 (pass_tree_profile): Add dump.
15860 (tree_profile_hooks): Update.
15861 * Makefile.in (LIBGCOV): Add new constants.
15862 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15863 __gcov_ior_profiler): New.
15864 * i386.md (movmem/setmem expanders): Add new optional arguments.
15866 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15868 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15870 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15872 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15873 (tree_unswitch_single_loop): Pass eni_size_weights to
15874 tree_num_loop_insns.
15875 * tree-ssa-loop-manip.c: Include tree-inline.h.
15876 (can_unroll_loop_p): Pass eni_size_weights to
15877 tree_num_loop_insns.
15878 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15879 Pass eni_size_weights to estimate_num_insns.
15880 * tree.h (init_inline_once): Export.
15881 * toplev.c (backend_init): Call init_inline_once.
15882 * cgraphunit.c (cgraph_process_new_functions,
15883 cgraph_analyze_function): Pass eni_inlining_weights to
15884 estimate_num_insns.
15885 * ipa-inline.c (compute_inline_parameters): Ditto.
15886 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15887 to estimate_num_insns.
15888 (try_unroll_loop_completely): Pass eni_size_weights to
15889 tree_num_loop_insns.
15890 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15891 ot estimate_num_insns.
15892 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15893 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15894 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15895 eni_time_weights): New variables.
15896 (init_inline_once): Initialize them.
15897 (struct eni_data): Mew.
15898 (estimate_num_insns_1, estimate_num_insns): Use weights.
15899 * tree-inline.h (struct eni_weights_d): New.
15900 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15901 (estimate_num_insns): Declaration changed.
15902 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15903 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15904 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15906 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15908 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15909 relations in the conflict function is valid.
15911 2007-01-27 Ian Lance Taylor <iant@google.com>
15913 * common.opt: Add fstrict-overflow.
15914 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15915 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15916 (TYPE_OVERFLOW_UNDEFINED): Define.
15917 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15919 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15920 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15921 (fold_negate_expr): Likewise.
15922 (make_range): Likewise.
15923 (extract_muldiv_1): Likewise.
15924 (maybe_canonicalize_comparison): Likewise.
15925 (fold_comparison): Likewise.
15926 (fold_binary): Likewise.
15927 (tree_expr_nonnegative_p): Likewise.
15928 (tree_expr_nonzero_p): Likewise.
15929 * tree-vrp.c (compare_values): Likewise.
15930 (extract_range_from_binary_expr): Likewise.
15931 (extract_range_from_unary_expr): Likewise.
15932 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15934 (nowrap_type_p): Likewise.
15935 * tree-scalar-evolution.c (simple_iv): Likewise.
15936 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15937 (build_range_check): Likewise.
15938 (extract_muldiv_1): Likewise.
15939 (fold_comparison): Likewise.
15940 * tree-vrp.c (vrp_int_const_binop): Likewise.
15941 (extract_range_from_unary_expr): Likewise.
15942 * convert.c (convert_to_integer): Likewise.
15943 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15944 (fold_comparison): Likewise.
15945 (fold_binary): Likewise.
15946 * optabs.c (optab_for_tree_code): Likewise.
15947 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15948 * simplify-rtx.c (simplify_const_relational_operation): Check
15949 flag_strict_overflow and flag_trapv.
15950 (simplify_const_relational_operation): Likewise.
15951 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15952 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15955 2007-01-27 Roger Sayle <roger@eyesopen.com>
15957 * tree.c (tree_fold_gcd): Delete.
15958 * tree.h (tree_fold_gcd): Remove prototype.
15959 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15960 test whether one constant integer is a multiple of another. Instead
15961 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15962 * fold-const.c (multiple_of_p): We've determined both TOP and
15963 BOTTOM are integer constants so we can call int_const_binop directly
15964 instead of the more generic const_binop.
15966 2007-01-27 Roger Sayle <roger@eyesopen.com>
15968 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15969 1*X check that the constant hasn't overflowed, to preserve the
15971 (round_up): Provide an efficient implementation when rouding-up an
15972 INTEGER_CST to a power-of-two.
15974 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15976 * doc/sourcebuild.texi: Add comma for clarity.
15977 * doc/extend.texi: Fix some typos.
15978 * doc/passes.texi: Likewise.
15979 * doc/cppinternals.texi: Likewise.
15980 * doc/c-tree.texi: Likewise.
15981 * doc/tree-ssa.texi: Likewise.
15982 * doc/install.texi: Likewise.
15984 2007-01-27 Jan Hubicka <jh@suse.cz>
15986 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15987 (pass_sra): Do not require alias information.
15988 * passes.c (init_optimization_passes): Add SRA
15990 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15992 * tracer.c (rest_of_handle_tracer): We already cleaned
15993 up the CFG in tracer() so don't do it here again.
15994 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
15995 cleanup_cfg here, either. And don't call renumber_insns.
15997 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
15998 and BB_HEAD are in the insn stream here. Instead make sure
15999 that BB_INSN is valid on all insns. Also, do check here that
16000 there are no pending branch predictions...
16001 (rtl_verify_flow_info): ...instead of doing it here. Checks
16002 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
16005 2007-01-26 Roger Sayle <roger@eyesopen.com>
16007 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
16008 function to simplify/factorize operand order canonicalization.
16009 (ix86_fixup_binary_operands): Reorganize using the above function.
16010 (ix86_binary_operator_ok): Likewise.
16012 2007-01-27 Jakub Jelinek <jakub@redhat.com>
16014 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
16015 file scope from optimize_attrs.
16016 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
16018 (optimize_attrs): Clear insn_code_values after freeing it.
16020 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16022 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
16023 a parts.base assignment.
16025 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16027 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
16028 (compute_subscript_distance, initialize_data_dependence_relation,
16029 finalize_ddr_dependent, analyze_ziv_subscript,
16030 analyze_siv_subscript_cst_affine,
16031 compute_overlap_steps_for_affine_univar,
16032 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
16033 analyze_siv_subscript, analyze_miv_subscript,
16034 analyze_overlapping_iterations, subscript_dependence_tester_1,
16035 compute_self_dependence, free_dependence_relation): Work
16036 with affine_fn instead of chrecs.
16037 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
16038 common_affine_function, affine_function_base,
16039 affine_function_constant_p, affine_fn_op, affine_fn_plus,
16040 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
16041 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
16042 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
16043 (all_chrecs_equal_p): Removed.
16044 * tree-data-ref.h (affine_fn, conflict_function): New types.
16045 (struct subscript): Change type of conflicting_iterations_in_a
16046 and conflicting_iterations_in_b.
16048 2007-01-26 Steve Ellcey <sje@cup.hp.com>
16051 * config/pa/pa.h (TARGET_HPUX_11): New.
16052 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
16053 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
16055 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
16056 Richard Guenther <rguenther@suse.de>
16058 * tree-ssa-structalias.c (solve_graph): Handle case
16059 we merged the variable to another.
16061 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16063 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
16066 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
16067 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
16069 2007-01-25 DJ Delorie <dj@redhat.com>
16071 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
16072 allow changes to modes which don't fit in those registers.
16074 * reload1.c (choose_reload_regs): Check for invalid subregs before
16075 computing their locations, not after.
16077 2007-01-25 Geoffrey Keating <geoffk@apple.com>
16080 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
16081 save Altivec registers in an eh_return function.
16082 (compute_vrsave_mask): Likewise.
16083 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
16084 for saving Altivec registers.
16085 (rs6000_emit_prologue): Don't allocate stack twice in
16086 eh_return function. Correct expected value of altivec_save_offset
16087 when using save_world. Describe save of R0 to stack when using
16088 save_world. Describe stack pointer adjustment when using
16089 save_world. Remove duplicated eh_return parameter register saving.
16090 Update sp_offset variable after save_world.
16091 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
16093 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
16094 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
16097 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16099 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
16101 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16104 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
16105 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
16107 2007-01-25 Richard Guenther <rguenther@suse.de>
16109 * doc/invoke.texi (-Wcoverage-mismatch): Document.
16110 * common.opt (-Wcoverage-mismatch): New warning option.
16111 * coverage.c (get_coverage_counts): Ignore coverage mismatch
16112 if -Wcoverage-mismatch is given.
16114 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
16116 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
16117 (ipcp_driver): Change to static definition.
16118 Add dumping of the ifunctions.
16119 (constant_val_insert): Remove unused parameter. Support for SSA.
16120 (ipcp_propagate_const): Support for SSA.
16121 (ipcp_profile_bb_print): Print only analyzed nodes.
16122 (ipcp_replace_map_create): Remove support for Fortran constant
16124 * ipa-prop.c (ipa_method_modify_stmt,
16125 ipa_callsite_compute_param): Support for SSA.
16126 * ipa-prop.h (ipcp_driver): Remove declaration.
16127 (IS_VALID_TREE_MAP_INDEX): Add define.
16129 2007-01-24 Geoffrey Keating <geoffk@apple.com>
16131 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
16133 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16135 PR middle-end/30447
16136 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
16137 constant argument to cabs and do it without checking for
16138 -funsafe-math-optimizations.
16140 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
16142 * c-common.h (RID_FIRST_CXX0X): New.
16143 (RID_LAST_CXX0X): New.
16144 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
16146 * c.opt (Wc++0x-compat): New.
16147 * doc/invoke.texi (-Wc++0x-compat): Document.
16149 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16151 * builtins.c (fold_builtin_carg): New.
16152 (fold_builtin_1): Use it.
16154 2007-01-24 Jan Hubicka <jh@suse.cz>
16156 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
16158 * ipa-inline.c (initial_insns, max_insns): Delete.
16159 (compute_max_insns): New function.
16160 (cgraph_decide_inlining_of_small_function): Use it; take minimal
16161 amount of insns as base for code growth.
16162 (cgraph_decide_inlining): Make initial_insns local; do not compute
16164 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
16165 * doc/invoke.texi (inline-unit-growth): Update docs.
16167 2007-01-24 Jakub Jelinek <jakub@redhat.com>
16169 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
16170 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
16171 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
16172 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
16173 for CPUs that have PTA_CX16 set.
16175 PR middle-end/27416
16176 * gimplify.c (omp_check_private): New function.
16177 (gimplify_scan_omp_clauses): Use it for
16178 firstprivate/lastprivate/reduction.
16180 PR middle-end/30494
16181 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
16182 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
16184 PR middle-end/30421
16185 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
16186 If lower_lastprivate_clauses emits some statements, append them
16187 to dlist rather than body_p and to body_p append an initializer.
16188 (lower_omp_for): Adjust caller.
16190 2007-01-24 Steve Ellcey <sje@cup.hp.com>
16192 * target.h (globalize_decl_name): New.
16193 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16194 * output.h (default_globalize_decl_name): New.
16195 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
16197 (globalize_decl): Ditto.
16198 (default_globalize_decl_name): New.
16199 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
16200 (ia64_handle_version_id_attribute): New.
16201 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16202 (ia64_asm_output_external): Use globalize_decl_name instead
16203 of globalize_label.
16204 * doc/extend.texi (version_id): New pragma.
16205 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
16207 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
16209 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
16210 _uleb128_t and _Unwind_SWord with _sleb128_t.
16211 * unwind-dw2.c (extract_cie_info, execute_stack_op,
16212 execute_cfa_program, uw_frame_state_for, uw_update_context_1):
16214 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
16215 * unwind-pe.h (read_uleb128, read_sleb128,
16216 read_encoded_value_with_base): Likewise.
16217 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
16219 2007-01-24 Richard Guenther <rguenther@suse.de>
16221 * builtins.c (expand_builtin_cexpi): Get the fndecl
16222 for cexp in the correct way.
16224 2007-01-24 Jan Hubicka <jh@suse.cz>
16226 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
16229 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
16231 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
16232 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
16233 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
16234 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
16235 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
16236 __SIZEOF_PTRDIFF_T__.
16237 * doc/cpp.texi: Documentation for the new builtin macros added.
16239 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
16241 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
16242 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
16243 instead of operands[2] to avoid access past the end of array.
16245 2007-01-24 Richard Sandiford <richard@codesourcery.com>
16247 * reload1.c (emit_reload_insns): Pass the reload register
16248 for a non-spill output reload through forget_old_reloads_1.
16250 2007-01-23 Joseph Myers <joseph@codesourcery.com>
16252 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
16253 _SOFT_DOUBLE if doubles use software floating-point.
16254 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
16255 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
16256 * config/rs6000/darwin-ldouble.c: Also compile functions for
16257 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
16258 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
16259 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
16260 commented-out long double override.
16261 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
16262 * config/rs6000/eabispe.h: Likewise.
16263 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
16264 long double for non-SPE.
16265 (rs6000_handle_option): Likewise.
16266 (invalid_e500_subreg): Disallow more subregs involding DImode,
16267 DFmode, TImode or TFmode.
16268 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
16270 (legitimate_lo_sum_address_p): Also check for TFmode for E500
16272 (rs6000_legitimize_address): Also handle TFmode for E500 double.
16273 (rs6000_legitimize_reload_address): Also handle TFmode for E500
16275 (rs6000_legitimate_address): Also check for TFmode for E500
16277 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
16278 (spe_build_register_parallel): Handle TFmode and TCmode.
16279 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
16281 (function_arg): Handle TFmode and TCmode for E500 double.
16282 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
16284 (print_operand): Handle TFmode and TImode for %y.
16285 (rs6000_generate_compare): Handle TFmode comparisons for E500
16287 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
16288 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
16289 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
16290 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
16291 TFmode for E500 double.
16292 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
16293 (floatsidf2): Enable for E500 double.
16294 (movtf_softfloat): Use rs6000_nonimmediate_operand.
16295 (extenddftf2): Change to extenddftf2_fprs.
16296 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
16297 depending on TARGET_E500_DOUBLE.
16298 (extendsftf2): Enable for E500 double.
16299 (trunctfdf2): Enable for E500 double.
16300 (trunctfsf2): Change to trunctfsf2_fprs.
16301 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
16302 depending on TARGET_E500_DOUBLE.
16303 (floatsitf2): Enable for E500 double.
16304 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
16305 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
16306 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
16307 (negtf2): Change to negtf2_internal.
16308 (negtf2): New expander.
16309 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
16310 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
16311 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
16312 (movdi_internal32): Use rs6000_nonimmediate_operand.
16313 (unnamed splitter): Likewise.
16314 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
16315 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
16316 (SPE64TF, DITI): New mode macros.
16317 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
16320 (frob_<mode>_di_2): New.
16321 (frob_tf_di_8_2): New.
16322 (frob_di_df): Change to frob_di_<mode>; allow more modes.
16324 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
16326 (frob_ti_<mode>_8_2): New.
16327 (frob_ti_tf_2): New.
16328 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
16329 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
16331 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
16332 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
16333 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
16334 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
16335 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
16336 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
16339 2007-01-23 Ian Lance Taylor <iant@google.com>
16341 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
16343 (OBJS-archive): Reformat, alphabetize.
16344 (OBJS): Change out_object_file to OBJS-md.
16346 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
16348 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
16349 JUMP_P and CALL_P predicates where applicable.
16350 * config/i386/i386.c: Ditto.
16351 * config/i386/i386.md: Ditto.
16352 * config/i386/mmx.md: Ditto.
16353 * config/i386/predicates.md: Ditto.
16355 2007-01-22 Andreas Schwab <schwab@suse.de>
16357 * config/m68k/m68k.h: Fix comment.
16359 2007-01-22 Jan Hubicka <jh@suse.cz>
16361 * passes.c (init_optimization_passes): Do not rerun
16362 pass_early_warn_uninitialized.
16364 2007-01-22 Richard Guenther <rguenther@suse.de>
16366 PR tree-optimization/30038
16367 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
16369 (execute_cse_sincos_1): Likewise.
16370 (execute_cse_sincos): Likewise.
16371 (gate_cse_sincos): Likewise.
16372 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
16373 the cexpi() canonicalization of sincos().
16374 * tree-pass.h (pass_cse_sincos): Declare.
16375 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
16377 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
16379 PR rtl-optimization/29329
16380 * combine.c (replaced_rhs_insn): Rename to i2mod.
16381 (replaced_rhs_value): Rename to i2mod_new_rhs.
16382 (i2mod_old_rhs): New global variable.
16383 (combine_instructions): Adjust for above change. Save a copy of
16384 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
16385 note are substituted in the second instruction.
16386 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
16387 ditch the note if it pertains to the second eliminated register
16388 and this register is mentioned in i2mod_old_rhs.
16391 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
16393 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
16394 the insn to which the note was originally attached.
16396 2007-01-21 Jan Hubicka <jh@suse.cz>
16398 * ipa-inline.c (inlining_mode): Comment, move up.
16399 (cgraph_decide_inlining_incrementally): Do not perform inlining
16400 itself; fix handling of flattening of self recursive functions.
16401 (cgraph_find_cycles): Remove.
16402 (cgraph_flatten_node): Remove.
16403 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
16404 (try_inline): New function.
16405 (cgraph_early_inlining): Update call of
16406 cgraph_decide_inlining_incrementally. Apply inlining here.
16407 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
16409 2007-01-21 Dirk Mueller <dmueller@suse.de>
16412 * tree-vrp.c (check_array_bounds): do not warn
16413 about ADDR_EXPR's of ARRAY_REF's which are immediately
16414 used in binary expressions.
16416 2007-01-21 Ira Rosen <irar@il.ibm.com>
16418 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
16419 read_write_dep and macros for its access.
16420 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
16421 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
16422 argument, call vect_check_interleaving for every independent pair of
16423 data-refs. Mark loads that access the same memory location as a store
16425 (vect_check_dependences): Remove.
16426 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
16427 call, fix the call to vect_analyze_data_ref_dependence.
16428 (vect_analyze_data_ref_access): For statements that access the same
16429 data-ref, check that they are not stores; for loads, check that there
16430 is no store that access the same location.
16432 2007-01-20 Roger Sayle <roger@eyesopen.com>
16433 Joseph Myers <joseph@codesourcery.com>
16435 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
16436 (-fdump-rtl-stack): Likewise.
16437 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
16438 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
16439 (-mpt-fixed): Use @minus{} for minus sign.
16440 (Using Precompiled Headers): Fix under/overfull hbox.
16442 2007-01-20 Jan Hubicka <jh@suse.cz>
16444 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
16445 place within annotation.
16447 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16449 * pa.c (output_move_double): Change array size of xoperands to 4.
16451 2007-01-20 Jan Hubicka <jh@suse.cz>
16453 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
16456 2007-01-19 Ian Lance Taylor <iant@google.com>
16458 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
16459 constant to unsigned HOST_WIDE_INT before negating.
16461 2007-01-19 Ian Lance Taylor <iant@google.com>
16463 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
16465 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
16466 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16467 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
16468 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
16469 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16470 (realloc_vdef, realloc_vuse): Change second parameter to
16472 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
16473 fields to unsigned.
16474 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
16475 unsigned. Change x and lim locals to unsigned.
16476 (realloc_vdef, realloc_vuse): Change num_elem parameter to
16478 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
16479 (copy_virtual_operands): Change i and n locals to unsigned.
16481 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16483 PR middle-end/29335
16484 * builtins.c (fold_builtin_1): Handle builtin fdim.
16486 2007-01-20 Jan Hubicka <jh@suse.cz>
16488 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
16489 * tree-ssa-structalias.c (compute_points_to_sets): Do call
16490 init_alias_heapvars.
16491 (init_alias_heapvars): Initialize only when not already initialized.
16492 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
16494 2007-01-19 Roger Sayle <roger@eyesopen.com>
16496 * common.opt (fsigned-zeros): New command line option.
16497 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
16498 of flag_unsafe_math_optimizations.
16499 * opts.c (set_fast_math_flags): The -ffast-math command line option
16500 implies -fno-signed-zeros.
16501 (fast_math_flags_set_p): Likewise.
16503 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
16504 the documentation of -ffast-math appropriately. Wrap long lines.
16506 2007-01-19 Steve Ellcey <sje@cup.hp.com>
16508 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
16509 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
16511 2007-01-19 Tomas Bily <tbily@suse.cz>
16513 * cgraphunit.c (cgraph_finalize_function): Updating of pid
16515 (tree_init_ic_make_global_vars): New function
16516 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
16517 (tree_gen_ic_profiler): New function
16518 (tree_gen_ic_func_profiler): New function
16519 (tree_profiling): Added calling of tree_gen_ic_func_profiler
16520 (tree_profile_hooks): Added hook for indirec/virtual calls
16521 * value-prof.c (tree_find_values_to_profile): New case for
16523 (tree_values_to_profile): Call for determining indirect/virtual
16525 (tree_indirect_call_to_profile): New function
16526 (tree_ic_transform): New function
16527 (tree_ic): New function
16528 (find_func_by_pid): New function
16529 (init_pid_map): New function
16530 (tree_value_profile_transformations): Added check for
16531 indirect/virtual call transformation
16532 * value-prof.h (enum hist_type): New counter type for
16533 indirect/virtual calls
16534 (profile_hooks): Added new hook for profiling indirect/virtual
16536 * profile.c (instrument_values): New case for indirect/virtual
16538 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
16539 (GCOV_COUNTER_V_INDIR): New counter type
16540 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
16541 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
16543 * cgraph.c: Definition of cgraph_max_pid
16544 (cgraph_create_node): Default init of pid attribute
16545 * cgraph.h: Declaration of cgraph_max_pid
16546 (struct cgraph_node): Added pid attribute
16547 * libgcov.c (__gcov_indirect_call_profiler): New function
16548 (__gcov_one_value_profiler_body): New function
16549 (__gcov_one_value_profiler): Body was moved to
16550 __gcov_one_value_profiler_body and calls it
16552 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
16554 * doc/gty.texi (Options): Document the mark_hook option to GTY.
16555 * gengtype.c (write_types_data, write_func_for_structure,
16556 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
16557 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
16558 (walk_type, write_func_for_structure): Generate the mark_hook if
16561 2007-01-19 Jan Hubicka <jh@suse.cz>
16563 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
16564 'early' argument take inlining mode argument specifying whether to
16565 inline for size/speeed or all functions; add support for flattening;
16567 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
16569 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16572 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
16573 the name of the declared identifier.
16575 2007-01-19 Dirk Mueller <dmueller@suse.de>
16577 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
16578 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
16579 duplicate evaluation.
16581 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16583 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
16584 Macroize expander using X87MODEF12 mode macro. Extend operand 1
16585 to XFMode, use acosxf2 and truncate result to requested mode.
16586 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16587 (asin<mode>2): Similarly, with asin expanders.
16588 (*fscalexf4_i387): Rename from *fscalexf4.
16589 (expNcorexf3): New expander.
16590 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
16591 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
16592 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
16593 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
16594 patterns for SSE math.
16595 (exp10<mode>2): Similarly, with exp10 expanders.
16596 (exp2<mode>2): Similarly, with exp2 expanders.
16597 (expm1<mode>2): Similarly, with expm1 expanders.
16598 (ldexp<mode>3): Similarly, with ldexp expanders.
16599 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
16600 Use gen_truncxf<mode>2_i387_noop to truncate result.
16602 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16604 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
16605 for ColdFire targets.
16607 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
16608 Richard Sandiford <richard@codesourcery.com>
16610 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
16611 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
16612 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
16613 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
16614 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16615 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16617 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16619 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
16620 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
16621 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
16622 (*adddi_dilshr32_cf): New pattern.
16623 (adddi3, subdi3): Remove first alternatives.
16625 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16627 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
16628 implemented using move.l, do not use its cc result for floating-point
16631 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16633 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
16634 from accepting 's' constraints if flag_pic.
16636 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16638 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
16639 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
16640 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
16641 condition from TARGET_68881 to TARGET_HARD_FLOAT.
16643 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
16645 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
16646 ColdFire alternatives.
16647 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
16648 * config/m68k/m68k.md (clzsi2): Define for ColdFire
16649 architectures that support ff1 instruction.
16651 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16652 Julian Brown <julian@codesourcery.com>
16654 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
16655 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
16656 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
16659 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16661 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
16663 (output_move_const_into_data_reg, output_move_simode_const): Delete.
16664 * config/m68k/m68k.c (const_method, const_int_cost): Take a
16665 HOST_WIDE_INT instead of an rtx.
16666 (m68k_rtx_costs): Update call accordingly.
16667 (output_move_const_into_data_reg): Likewise. Fix formatting.
16668 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
16670 (output_move_simode_const): Update calls after above changes.
16671 Rework to use automatic variables and predicates like MEM_P.
16672 * config/m68k/m68k.md (pushexthisi_const): Update call to
16675 2007-01-19 Dirk Mueller <dmueller@suse.de>
16677 * tree-ssa-alias.c (perform_var_substitution): Fix typo
16678 in dump_flags test.
16680 2007-01-19 Richard Guenther <rguenther@suse.de>
16682 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16683 via cexp in case sincos is not available.
16685 2007-01-19 Richard Guenther <rguenther@suse.de>
16687 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16688 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16689 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16690 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16691 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16692 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16693 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16694 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16696 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16698 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16700 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16701 (atan2xf3): Directly generate RTL pattern.
16702 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16703 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16704 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16705 disable patterns for SSE math.
16706 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16707 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16708 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16709 disable patterns for SSE math.
16711 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16713 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16715 2007-01-18 Roger Sayle <roger@eyesopen.com>
16717 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16718 VIEW_CONVERT_EXPR to the same type as it's operand.
16720 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16722 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16723 configured for long double 128.
16725 2007-01-18 Mike Stump <mrs@apple.com>
16727 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16730 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16732 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16735 2007-01-18 Jan Hubicka <jh@suse.cz>
16737 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16738 greater than NUM_VOP_FREE_BUCKETS.
16740 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16742 * tree-ssa-structalias.c: Update comments.
16743 (ptabitmap_obstack): Removed.
16744 (pta_obstack): New.
16745 (oldpta_obstack): Ditto.
16746 (stats): Add a few members.
16747 (struct variable_info): Remove node, complex, address_taken, and
16748 indirect_target members. Add oldsolution member.
16749 (new_var_info): Do not initialize removed members.
16750 (constraint_expr_type): Remove INCLUDES.
16751 (constraint_graph): Add size, implicit_preds, rep,
16752 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16753 (FIRST_REF_NODE): New macro.
16754 (LAST_REF_NODE): Ditto.
16755 (FIRST_ADDR_NODE): Ditto.
16756 (find): New function.
16758 (dump_constraint): Do not handle INCLUDES.
16759 (insert_into_complex): Do not insert duplicate constraints.
16760 (condense_varmap_nodes): Renamed and rewritten into ...
16761 (merge_node_constraints): This. Also fix bug in handling of
16762 offseted copy constraints.
16763 (clear_edges_for_node): No longer need to deal with preds at all,
16764 or removing associated preds/succs.
16765 (merge_graph_nodes): Deal with indirect_cycles.
16766 Don't deal with predecessors.
16767 (add_implicit_graph_edge): New function.
16768 (add_pred_graph_edge): Ditto.
16769 (add_graph_edge): Don't deal with predecessors.
16770 (build_constraint_graph): Removed.
16771 (build_pred_graph): New function.
16772 (build_succ_graph): Ditto.
16773 (struct scc_info): Removed in_component. Added roots, dfs, and
16774 node_mapping. Remove visited_index, unification_queue.
16775 (scc_visit): Deal with union-find we do now.
16776 Deal with cycles with REF nodes.
16777 (collapse_nodes): Renamed and rewritten to ...
16778 (unify_nodes): This.
16779 (process_unification_queue): Removed.
16780 (topo_visit): Cleanup
16781 (do_da_constraint): Use find.
16782 (do_sd_constraint): Ditto.
16783 (do_ds_constraint): Ditto.
16784 (do_complex_constraint): Ditto.
16785 (init_scc_info): Update for removed and added members.
16786 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16787 (find_indirect_cycles): This.
16788 (equivalence_class): New variable.
16789 (label_visit): New function.
16790 (perform_variable_substitution): Rewritten.
16791 (free_var_substitution_info): New function.
16792 (find_equivalent_node): Ditto.
16793 (move_complex_constraints): Ditto.
16794 (eliminate_indirect_cycles): Ditto.
16795 (solve_graph): Only propagate changed bits.
16796 Use indirect cycle elimination.
16798 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16799 (tree_id_eq): Renamed to ...
16800 (tree_vi_eq): This. Update for member change
16801 (insert_id_for_tree): Renamed and rewritten to ...
16802 (insert_vi_for_tree): This.
16803 (lookup_id_for_tree): Renamed and rewritten to ...
16804 (lookup_vi_for_tree): This.
16805 (get_id_for_tree): Renamed and rewritten to ...
16806 (get_vi_for_tree): Ditto.
16807 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16808 (process_constraint): Don't handle INCLUDES.
16809 Remove special ADDRESSOF case.
16810 (find_func_aliases): Rewrite to use vi functions instead of id
16812 (create_function_info_for): Ditto.
16813 (create_variable_info_for): Ditto.
16814 (intra_create_variable_infos): Ditto.
16815 (merge_smts_into): Ditto.
16816 (find_what_p_points_to): Ditto.
16817 (init_base_vars): Ditto.
16818 (init_alias_vars): Ditto.
16819 (remove_preds_and_fake_succs): New function.
16820 (dump_sa_points_to_info): Dump new stats.
16821 (dump_solution_for_var): Use find.
16822 (set_used_smts): Fix formatting.
16823 (compute_points_to_sets): Updated for new functions.
16824 (ipa_pta_execute): Ditto.
16826 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16827 Richard Sandiford <richard@codesourcery.com>
16829 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16831 * calls.c (expand_call): If the return value is a PARALLEL,
16832 extract its first member.
16833 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16834 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16835 use FUNCTION_EXTRA_EPILOGUE.
16836 (m68k_function_value): Return a PARALLEL if the return value
16837 is of a pointer type.
16838 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16839 (FUNCTION_EXTRA_EPILOGUE): Remove.
16840 * config/m68k/m68k.md (D0_REG): New constant.
16842 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16844 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16845 output a NOP for empty epilogues.
16847 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16849 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16850 before function. Extend register save check to include all
16851 registers, not just integer ones.
16853 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16855 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16856 (m68k_use_return_insn): ...this.
16857 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16858 * config/m68k/m68k.c (use_return_insn): Rename to...
16859 (m68k_use_return_insn): ...this.
16860 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16861 of USE_RETURN_INSN.
16863 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16865 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16866 nearest even, fix denormal rounding overflow.
16868 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16870 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16871 f%$smove and f%$move.
16872 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16873 (extendsfdf2_cf): Use fdmove instead of f%&move.
16874 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16875 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16877 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16879 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16882 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16884 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16885 (coldfire_single_format): Declare.
16886 (coldfire_double_format): Likewise.
16887 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16888 of qnan_msb_set to determine the lower bits of a canonical
16890 (encode_ieee_double): Likewise.
16891 (encode_ieee_quad): Likewise.
16892 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16893 (mips_single_format): Likewise.
16894 (ieee_double_format): Likewise.
16895 (mips_double_format): Likewise.
16896 (ieee_extended_motorola_format): Likewise.
16897 (ieee_extended_intel_96_format): Likewise.
16898 (ieee_extended_intel_128_format): Likewise.
16899 (ieee_extended_intel_96_round_53_format): Likewise.
16900 (ibm_extended_format): Likewise.
16901 (mips_extended_format): Likewise.
16902 (ieee_quad_format): Likewise.
16903 (mips_quad_format): Likewise.
16904 (vax_f_format): Likewise.
16905 (vax_d_format): Likewise.
16906 (vax_g_format): Likewise.
16907 (i370_single_format): Likewise.
16908 (i370_double_format): Likewise.
16909 (decimal_single_format): Likewise.
16910 (decimal_double_format): Likewise.
16911 (decimal_quad_format): Likewise.
16912 (c4x_single_format): Likewise.
16913 (c4x_extended_format): Likewise.
16914 (real_internal_format): Likewise.
16915 (coldfire_single_format): New real_format.
16916 (coldfire_double_format): Likewise.
16917 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16918 canonical_nan_lsbs_set.
16919 (pdp11_d_format): Likewise.
16920 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16921 if TARGET_COLDFIRE_CPU.
16923 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16925 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16926 (output_call, m68k_legitimize_call_address): Declare.
16927 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16928 parenthesees. Add support for a 'W' constraint.
16929 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16930 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16931 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16932 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16934 (override_options): Initialize them. Do not set flag_no_function_cse
16935 for TARGET_ID_SHARED_LIBRARY.
16936 (m68k_output_pic_call): Delete.
16937 (m68k_legitimize_call_address): New function.
16938 (print_operand): Remove the %o prefix. Handle the %p prefix.
16939 (output_call): New function.
16940 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16941 target address from the GOT if symbolic jumps are not allowed.
16942 * config/m68k/m68k.md (call, general_operand): Do not set
16943 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16944 Merge separate flag_pic and !flag_pic define_insns into...
16945 (*call, *call_value): ...these new patterns. Match the address
16946 rather than the containing MEM and require it to be a call_operand.
16947 Use output_call to generate the asm template.
16948 * config/m68k/predicates.md (const_call_operand): New predicate.
16949 (call_operand): Likewise.
16951 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16953 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16954 (STACK_GROWS_DOWNWARD): Define to 1.
16955 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16956 comments, emphasizing that these values are only defaults.
16957 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16958 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16960 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16962 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16964 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16965 Richard Sandiford <richard@codesourcery.com>
16967 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16968 (FP_REGNO_P): New macros.
16969 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16970 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16971 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16972 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16974 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16976 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16977 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16979 * config/m68k/t-floatlib: New file, extracting common code from...
16980 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16981 * config/m68k/t-uclinux: Here.
16982 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16983 routines on ColdFire targets.
16985 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16987 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16988 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16989 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16990 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16991 explicitly set MOTOROLA to 1.
16992 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
16994 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16995 Nathan Sidwell <nathan@codesourcery.com>
16997 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
16998 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
16999 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
17000 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
17001 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
17002 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
17003 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
17004 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
17005 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
17006 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17007 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
17008 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
17009 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
17010 (DBX_REGISTER_NUMBER): Delete.
17011 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
17012 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17013 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
17015 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17017 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
17018 * config/flat.h: New file.
17019 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
17020 OBJECT_FORMAT_FLAT.
17021 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
17022 indirect references for -msep-data or -mid-shared-library.
17023 Do not use PC-relative code addresses either.
17024 * config/m68k/m68k.c (override_options): Restrict -fPIC error
17026 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
17027 for shared libraries and crt1.o for executables. Use crti.o and
17029 (ENDFILE_SPEC): Use crtend.o and crtn.o.
17030 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
17031 Do not add -elf2flt or -shared-lib-id options here.
17032 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
17033 Pass -shared-lib-id if -mid-shared-library, taking the library
17034 identifier from -mshared-library-id if given, otherwise
17036 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
17037 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
17038 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
17039 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
17040 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
17041 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
17043 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
17044 jump sequence for ISA A and ISA A+.
17045 (PICJUMP): Likewise.
17047 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17049 * config.gcc (m68k-*-uclinux*): Base the port on the common
17050 and m68k GNU/Linux files rather than on the generic ELF ones.
17051 * config/m68k/uclinux.h (TARGET_VERSION): Override.
17052 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
17054 2007-01-18 Julian Brown <julian@codesourcery.com>
17055 Richard Sandiford <richard@codesourcery.com>
17057 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
17058 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17059 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
17061 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
17062 80 unconditionally.
17063 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17065 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17067 * doc/install.texi: Document m68k-uclinuxoldabi.
17068 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
17069 * config/m68k/uclinux-oldabi.h: New file, copied from
17070 config/m68k/uclinux.h.
17072 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
17074 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
17075 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
17076 (m32r_compute_frame_size): Use unsigned for regno.
17077 (m32r_reload_lr): Use gen_frame_mem.
17079 (m32r_output_function_epilogue): Don't output the function epilogue
17081 (m32r_expand_epilogue): New.
17082 (direct_return): Return false if the function has the interrupt
17084 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
17085 * config/m32r/m32r.md (epilogue): New expander.
17086 (return_lr, return_rte): New insns.
17087 (return): Make it expander.
17088 (return_normal): New expander.
17090 2007-01-18 Josh Conner <jconner@apple.com>
17093 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
17094 support for UNLE, UNLT, UNGE, and UNGT.
17096 2007-01-18 Jan Hubicka <jh@suse.cz>
17098 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
17099 * tree-tailcall (add_virtual_phis): Likewise.
17100 (optimize_tail_call): Return TODOs.
17101 (execute_tail_calls): Return TODOs.
17102 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
17103 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
17105 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
17106 Cleanup cfg using TODO.
17107 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
17108 * passes.c (execute_function_todo): When cleanup did something, remove
17110 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
17111 (make_edges): Don't cleanup_cfg.
17113 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
17115 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
17116 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
17117 operate on the top of stack.
17118 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
17119 register handling of instructions that output to the second
17121 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
17122 (move_for_stack_reg): Special-case check for dead destination
17123 stack slot for constant load of 1.0 inside UNSPEC_TAN.
17125 * config/i386/i386.md (UNSPEC_TAN): New constant.
17126 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
17127 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
17128 to correctly model move of constant 1.0 to top stack slot.
17129 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
17130 (unnamed peephole2 pattern): Remove corresponding peephole2
17131 pattern that optimizes tan insn and loading of constant 1.0.
17132 (tanxf2): Use fptanxf4_i387.
17133 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
17134 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
17135 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
17136 disable patterns for SSE math.
17137 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
17138 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
17140 2007-01-18 Dirk Mueller <dmueller@suse.de>
17141 Richard Guenther <rguenther@suse.de>
17144 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
17145 * common.opt (Warray-bounds): Add new warning option.
17146 * c-opts.c (c_common_handle_option): Define -Warray-bounds
17148 * Makefile.in: make tree-vrp.o depend on toplev.h
17149 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
17151 (check_array_refs, check_array_bounds, check_array_ref): New.
17153 2007-01-18 Jan Hubicka <jh@suse.cz>
17155 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
17156 (execute_ssa_ccp): Return flags conditionally.
17157 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
17159 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
17161 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
17163 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
17164 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
17166 * Makefile.c (GTFILES): Add cfglayout.h.
17167 * gengtype.c (open_base_files): Likewise.
17168 * cfglayout.c (cfg_layout_function_footer,
17169 cfg_layout_function_header) Reindent to make gengtype happy.
17170 * cfglayout.h (cfg_layout_function_footer,
17171 cfg_layout_function_header): Add GTY(()) marker.
17173 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
17175 2007-01-18 Ben Elliston <bje@au.ibm.com>
17177 * genautomata.c (write_automata): Include xstrerror output in the
17178 error message if writing the DFA description file fails.
17180 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
17182 * config/mips/mips-protos.h (mips_output_external): Make it
17184 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
17185 * config/mips/mips.c (irix_output_external_libcall): Likewise.
17186 (extern_list): Likewise.
17187 (extern_head): Likewise.
17188 (TARGET_ASM_FILE_END): Likewise.
17189 (mips_file_end): Likewise.
17190 (mips_output_external): Rewritten.
17192 2007-01-18 Ben Elliston <bje@au.ibm.com>
17194 * genpreds.c (write_insn_preds_c): Only write out the function
17195 body for regclass_for_constraint if we have register constraints.
17197 2007-01-17 Tom Tromey <tromey@redhat.com>
17199 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
17200 * doc/install.texi (Testing): Use sourceware.org.
17201 (Binaries): Likewise.
17202 (Specific): Likewise.
17203 * doc/contrib.texi (Contributors): Use sourceware.org.
17205 2007-01-17 Anatoly Sokolov <aesok@post.ru>
17207 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
17208 (AVR_ENHANCED): Rename to ...
17209 (AVR_HAVE_MUL): ... new.
17210 (avr_enhanced_p): Rename to ...
17211 (avr_have_mul_p): ... new.
17212 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
17213 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
17214 * config/avr/avr.c (avr_enhanced_p): Rename to ...
17215 (avr_have_mul_p): ... new.
17216 (base_arch_s): Rename 'enhanced' to 'have_mul'.
17217 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
17218 'avr_enhanced_p' and 'enhanced'.
17219 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
17220 AVR_HAVE_MUL instead of AVR_ENHANCED.
17221 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
17222 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
17223 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
17224 instead of AVR_ENHANCED.
17225 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
17226 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
17227 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
17229 2007-01-17 Ian Lance Taylor <iant@google.com>
17231 * vec.h (VEC_reserve_exact): Define.
17232 (vec_gc_p_reserve_exact): Declare.
17233 (vec_gc_o_reserve_exact): Declare.
17234 (vec_heap_p_reserve_exact): Declare.
17235 (vec_heap_o_reserve_exact): Declare.
17236 (VEC_OP (T,A,reserve_exact)): New static inline function, three
17238 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
17239 negative parameter.
17240 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
17241 (VEC_OP (T,A,copy)) [all versions]: Likewise.
17242 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
17243 * vec.c (calculate_allocation): Add exact parameter. Change all
17245 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
17246 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
17247 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
17248 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
17249 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
17250 (vec_heap_p_reserve_exact): New function.
17251 (vec_heap_o_reserve_exact): New function.
17253 2007-01-17 Jan Hubicka <jh@suse.cz>
17255 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
17257 2007-01-17 Eric Christopher <echristo@apple.com>
17259 * config.gcc: Support core2 processor.
17261 2007-01-16 Jan Hubicka <jh@suse.cz>
17263 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
17264 the names, just unlink the chain so we don't crash on dangling
17268 2007-01-16 Jan Hubicka <jh@suse.cz>
17270 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
17271 * tree-pass.h: Reorder to make IPA passes appear toegher.
17272 (pass_early_inline, pass_inline_parameters, pass_apply_inline):
17274 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
17275 parameters, do not call early inliner.
17276 * ipa-inline.c: Update comments. Include tree-flow.h
17277 (cgraph_decide_inlining): Do not compute inlining parameters.
17278 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
17279 be called with function context set up.
17280 (pass_ipa_inline): Remove unreachable functions before pass.
17281 (cgraph_early_inlining): Simplify assuming to be called from the
17283 (pass_early_inline): New pass.
17284 (cgraph_gate_ipa_early_inlining): New gate.
17285 (pass_ipa_early_inline): Turn into simple wrapper.
17286 (compute_inline_parameters): New function.
17287 (gate_inline_passes): New gate.
17288 (pass_inline_parameters): New pass.
17289 (apply_inline): Move here from tree-optimize.c
17290 (pass_apply_inline): New pass.
17291 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
17293 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
17294 doing them by hand.
17295 (tree_function_versioning): Do not allocate dummy struct function.
17296 * tree-inline.h (optimize_inline_calls): Update prototype.
17297 * tree-optimize.c (execute_fixup_cfg): Export.
17298 (pass_fixup_cfg): Remove
17299 (tree_rest_of_compilation): Do not apply inlines.
17300 * tree-flow.h (execute_fixup_cfg): Declare.
17301 * Makefile.in (gt-passes.c): New.
17302 * passes.c: Include gt-passes.h
17303 (init_optimization_passes): New passes.
17304 (nnodes, order): New static vars.
17305 (do_per_function_toporder): New function.
17306 (execute_one_pass): Dump current pass here.
17307 (execute_ipa_pass_list): Don't dump current pass here.
17309 2007-01-16 Janis Johnson <janis187@us.ibm.com>
17311 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
17312 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
17314 2007-01-16 David Edelsohn <edelsohn@gnu.org>
17316 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
17317 (strong_alias): Define.
17318 (__gcc_qmul): Provide non-FMA for soft-float.
17319 (__gcc_qdiv): Same.
17324 (__gcc_qunord): New.
17334 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
17335 soft-float functions.
17336 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
17337 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
17338 about long double soft float.
17340 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
17341 Tehila Meyzels <tehila@il.ibm.com>
17343 * tree-vectorizer.h (is_pattern_stmt_p): New.
17344 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
17345 formatting (tabs instead of spaces). Cleanup and clarify setting
17346 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
17347 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
17348 (vectorizable_type_demotion): Check that types are integral.
17349 (vectorizable_type_promotion): Likewise.
17350 (vectorizable_store): Fix typo. Eliminate new-line at end of
17353 2007-01-16 Jan Hubicka <jh@suse.cz>
17355 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
17358 2007-01-15 Eric Christopher <echristo@apple.com>
17360 * ifcvt.c: Include vec.h, vecprim.h.
17361 (check_cond_move_block): New argument regs.
17362 Reorganize. Add registers used to regs.
17363 (cond_move_process_if_block): Use regs set above as
17366 2007-01-15 Eric Christopher <echristo@apple.com>
17368 * config/darwin.h: Update copyright.
17369 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
17370 (LINK_COMMAND_SPEC): Add -u.
17371 (LINK_SPEC): Fix umbrella for above.
17373 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
17375 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
17378 2007-01-15 Tom Tromey <tromey@redhat.com>
17380 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
17381 * doc/install.texi (Testing): Don't mention jacks.
17382 (Configuration): Document --enable-java-maintainer-mode. Move
17383 --with-java-home to libgcj-specific section. Document
17385 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
17387 2007-01-15 Jan Hubicka <jh@suse.cz>
17389 * tree-ssa-dce.c (DCE_TODOs): New.
17390 (propagate_necessity): Return if something changed.
17391 (eliminate_unnecessary_stmts): Likewise.
17392 (perform_tree_ssa_dce): Return TODO flags when needed.
17393 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
17395 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
17397 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
17398 (fyl2x_extend<mode>xf3_i387): New insn pattern.
17399 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
17400 patterns using X87MODEF12 mode macro. Extend operand 1
17401 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
17402 (log10<mode>2): Ditto.
17403 (log2<mode>2): Ditto.
17404 (log1p<mode>2): Ditto.
17405 (logb<mode>2): Ditto.
17406 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
17407 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
17408 (*fxtractxf3_i387): Rename from *fxtractxf3.
17409 (fxtract_extend<mode>xf3_i387): New insn pattern.
17410 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
17411 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
17412 and gen_fyl2xxf3_i387().
17414 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17416 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
17417 * cfgloopmanip.c (fix_loop_placement): Made static. Use
17418 get_loop_exit_edges. Changed return type to bool.
17419 * cfgloop.h (fix_loop_placement): Declaration removed.
17421 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
17423 * param.h (MIN_VECT_LOOP_BOUND): New.
17424 * params.def (MIN_VECT_LOOP_BOUND): New.
17425 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
17426 argument - minimum threshold for number of iterations.
17427 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
17428 argument to declaration.
17429 * tree-vect-analyze.c (vect_analyze_operations): Check value of
17430 MIN_VECT_LOOP_BOUND.
17431 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
17432 slpeel_tree_peel_loop_to_edge with additional argument.
17433 (vect_do_peeling_for_alignment): Likewise.
17434 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
17436 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
17439 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
17440 operands of size 1.
17442 2007-01-14 Jan Hubicka <jh@suse.cz>
17444 * tree-dfa.c (remove_referenced_var): New function.
17445 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
17446 prune referenced vars list too.
17447 * tree-flow.h (remove_referenced_var): Declare.
17449 2007-01-14 Jan Hubicka <jh@suse.cz>
17451 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
17453 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
17454 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
17455 * except.h (verify_eh_throw_table_statements): Kill prototype.
17456 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
17457 into call exrepssions.
17458 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
17460 * tree-cfg.c: Include pointer-set.h.
17461 (verify_node_sharing): Work on pointer set.
17462 (verify_eh_throw_stmt_node): New.
17463 (verify_stmts): Use pointers sets, verify throw_stmt.
17465 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
17467 * ipa-reference.c (analyze_function): Consider also addresses taken
17470 2007-01-12 Roger Sayle <roger@eyesopen.com>
17472 * c-typeck.c (null_pointer_constant_p): Replace use of
17473 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17474 (build_c_cast): Likewise.
17476 2007-01-12 Roger Sayle <roger@eyesopen.com>
17478 * tree.h (force_fit_type_double): Remove unused final argument.
17479 * c-common.c (constant_expression_warning): Replace use of
17480 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17481 (convert_and_check): Likewise.
17482 (shorten_compare): Update call to force_fit_type_double.
17483 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
17484 * convert.c (convert_to_pointer): Update call to
17485 force_fit_type_double.
17486 * fold-const.c (force_fit_type_double): Remove overflowed_const
17488 (int_const_binop, fold_convert_const_int_from_int,
17489 fold_convert_const_int_from_real, fold_div_compare,
17490 fold_sign_changed_comparison, fold_unary, fold_negate_const,
17491 fold_abs_const, fold_not_const): Remove the final argument from
17492 calls to force_fit_type_double.
17494 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
17496 * configure.ac: Set insn to "nop" for spu-*-* also.
17497 * configure: Regenerate.
17499 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
17501 * builtins.def : Add BUILT_IN_FREE.
17503 2007-01-12 Jan Hubicka <jh@suse.cz>
17505 PR tree-optimization/30443
17506 * tree-inline.c (tree_function_versioning): Do not optimize when
17507 cloning for inlining.
17509 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
17511 * doc/loop.texi: Document recording of loop exits.
17512 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
17513 (update_single_exits_after_duplication,
17514 update_single_exit_for_duplicated_loop,
17515 update_single_exit_for_duplicated_loops): Removed.
17516 (duplicate_loop_to_header_edge): Do not call
17517 update_single_exits_after_duplication and
17518 update_single_exit_for_duplicated_loops.
17519 (loop_version): Do not update single_exit information.
17520 (fix_loop_structure): Use record_loop_exits instead of
17521 mark_single_exit_loops.
17522 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
17523 the lists of loop exits.
17524 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
17525 split_edge, merge_blocks): Update the lists of loop exits.
17526 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
17527 loop_optimizer_init.
17528 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
17529 of mark_single_exit_loops.
17530 (loop_optimizer_finalize): Call release_recorded_exits.
17531 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
17532 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
17533 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
17534 update single exit information.
17535 * lambda-code.c (perfect_nestify): Ditto.
17536 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
17537 (mark_single_exit_loops): Removed.
17538 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
17539 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
17540 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
17542 (get_loop_exit_edges, single_exit): Use recorded exit lists.
17543 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
17544 (verify_loop_structure): Verify consistency of the exit lists.
17545 (flow_loops_find): Use alloc_loop. Initialize exits hash.
17546 (set_single_exit): Removed.
17547 * cfgloop.h (struct loop_exit): New function.
17548 (struct loop): single_exit_ field replaced by exits field.
17549 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
17550 LOOPS_HAVE_RECORDED_EXITS.
17551 (struct loops): Added exits hash.
17552 (mark_single_exit_loops, set_single_exit): Declaration removed.
17553 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
17555 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17557 * doc/invoke.texi: Avoid use of @headitem.
17559 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17561 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
17563 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17565 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
17568 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17569 Richard Sandiford <richard@codesourcery.com>
17571 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
17572 * config/m68k/m68k.opt: Resort options.
17573 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
17575 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17576 Richard Sandiford <richard@codesourcery.com>
17578 * doc/invoke.texi: Document the macros that are defined by
17579 m68k's -mtune and -mhard-float options.
17580 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
17581 (m68k_cpp_cpu_family): Likewise.
17582 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
17583 of __ucfv*__ macros. Define __mcffpu__ if generating code for
17584 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
17585 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
17586 (m68k_cpp_cpu_family): Likewise.
17588 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17590 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
17591 macros besides mc68000 as tuning macros. Use a switch statement
17592 to set them and mcpu32.
17594 2007-01-12 Julian Brown <julian@codesourcery.com>
17596 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
17597 (TARGET_68040_ONLY): Rename to...
17598 (TARGET_68040): ...this.
17599 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
17600 * config/m68k/m68k.md: Likewise.
17602 2007-01-12 Julian Brown <julian@codesourcery.com>
17603 Nathan Sidwell <nathan@codesourcery.com>
17604 Richard Sandiford <richard@codesourcery.com>
17606 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
17607 the -mcpu= argument associated with the --with-cpu setting.
17608 Define M68K_DEFAULT_TUNE to the default -mtune= option,
17609 if different from the one implied by the -mcpu setting.
17610 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
17611 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
17612 * doc/invoke.texi: Mention ColdFire in the introduction to the
17613 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
17614 -mno-div and -mhard-float options. Make -m68881 a synonym for
17615 -mhard-float. Document the previously-undocumented -m5206e,
17616 -m528x, -m5307 and -m5407 options. Tweak the existing option
17617 documentation for consistency.
17618 * doc/install.texi: Mention new --with-cpu arguments.
17619 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
17620 default CPU if neither -mcpu nor -march are specified.
17621 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
17622 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
17623 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
17624 using m68k_tune to decide between families that implement the
17625 same ISA. Use m68k_tune to set __mcfv4e__.
17626 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
17627 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
17628 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
17629 (FL_ISA_C, FL_ISA_MMU): New macros.
17630 (MASK_COLDFIRE): Delete.
17631 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
17632 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
17633 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
17634 (TARGET_HARD_FLOAT): Do not define here.
17635 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
17636 (TUNE_68000): New macro.
17637 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
17638 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
17639 (TUNE_CFV2): Redefine in terms of m68k_tune.
17640 (uarch_type, target_device, fpu_type): New enums.
17641 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
17642 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
17643 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
17644 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
17645 (FL_FOR_isa_c): New macros.
17646 (m68k_isa): New enum.
17647 (m68k_target_selection): New structure.
17648 (all_devices, all_isas, all_microarchs): New tables.
17649 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
17650 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
17651 (MASK_ALL_CPU_BITS): Delete.
17652 (m68k_find_selection): New function.
17653 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
17654 Map the legacy target options to a combination of the new ones.
17655 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
17656 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
17657 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
17659 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
17660 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
17662 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
17663 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
17664 * config/m68k/m68k-devices.def: New file.
17666 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17667 Nathan Sidwell <nathan@codesourcery.com>
17669 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
17670 (SUBTARGET_EXTRA_SPECS): New macros.
17671 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
17672 use %(asm_cpu_spec) instead.
17673 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
17674 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
17675 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
17676 (EXTRA_SPECS): Rename to...
17677 (SUBTARGET_EXTRA_SPECS): ...this.
17679 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17680 Richard Sandiford <richard@codesourcery.com>
17681 Julian Brown <julian@codesourcery.com>
17683 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17684 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17685 to the configuration's default CPU.
17686 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17687 Remove default masks.
17688 (m680[012]0-*-*): Set the default with_cpu to the first part of
17690 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17691 (m68k*-*-linux): Extend the --with-cpu handling to...
17692 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17693 and m68010. Don't set target_cpu_default2.
17694 * doc/install.texi: Document --with-cpu for m68k.
17695 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17696 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17697 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17698 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17699 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17700 (ASM_SPEC): Remove use of %(asm_cpu_default).
17701 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17702 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17703 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17704 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17705 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17706 (TARGET_DEFAULT): Delete.
17707 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17708 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17709 (CPP_CPU_SPEC): Delete.
17710 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17711 the appropriate string.
17712 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17713 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17714 (ASM_SPEC): Don't use %(asm_default_spec).
17715 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17716 TARGET_DEFAULT and add MASK_68881.
17717 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17719 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17721 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17722 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17723 MASK_68010 alongside MASK_68020.
17724 * doc/invoke.texi: Document -m68010.
17725 * config/m68k/m68k.opt (m68010): New.
17726 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17728 (TUNE_68010): New macro.
17729 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17730 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17731 (M68K_CPU_m68332): Add MASK_68010.
17732 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17733 fallback definition.
17734 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17736 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17737 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17738 to all entries that use MASK_68020.
17739 (output_move_simode_const, output_move_himode, output_move_qimode)
17740 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17741 instead of TARGET_68020 to select clr behavior. Remove comment
17742 about there being no TARGET_68010.
17743 * config/m68k/m68k.md: Likewise throughout.
17745 2007-01-12 Julian Brown <julian@codesourcery.com>
17747 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17748 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17749 * config/m68k/m68k.md: Likewise.
17751 2007-01-12 Julian Brown <julian@codesourcery.com>
17753 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17754 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17756 2007-01-12 Julian Brown <julian@codesourcery.com>
17758 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17759 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17760 * config/m68k/m68k.md: Likewise.
17762 2007-01-12 Julian Brown <julian@codesourcery.com>
17763 Richard Sandiford <richard@codesourcery.com>
17765 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17766 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17767 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17769 (TARGET_CPU32): Rename to...
17770 (TUNE_CPU32): ...this.
17771 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17772 (TUNE_CFV2): New macros.
17773 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17774 remove conditions that are implied by TARGET_68020.
17775 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17776 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17777 (m68k_output_function_epilogue): Likewise.
17778 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17779 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17780 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17781 non-68000 timings. Refactor multiplication and division costs.
17782 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17783 TUNE_CPU32 instead of TARGET_CPU32.
17784 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17785 and TUNE_68060 instead of TARGET_68060.
17786 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17787 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17789 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17790 && !TARGET_COLDFIRE" to choose between moveq and clr.
17791 Likewise in the unnamed movsf pattern.
17792 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17793 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17796 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17798 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17799 of tabbing before backslashes.
17801 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17803 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17804 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17805 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17807 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17809 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17810 find_interesting_uses_cond.
17811 (find_interesting_uses_cond): Use extract_cond_operands.
17812 (rewrite_use_compare): Use extract_cond_operands and
17813 force_gimple_operand_bsi. Do not call update_stmt.
17814 (determine_use_iv_cost_condition): Use extract_cond_operands.
17815 Return cheaper of using original bound and changing the exit bound.
17817 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17819 PR tree-optimization/29516
17820 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17821 most_expensive_mult_to_index, addr_to_parts,
17822 create_mem_ref, maybe_fold_tmr): Make the type of
17823 fields of TARGET_MEM_REF sizetype.
17824 (move_fixed_address_to_symbol, move_pointer_to_base):
17826 * tree.def (TARGET_MEM_REF): Add comment on types of
17829 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17831 * c-common.c (vector_types_convertible_p): Treat opaque types as
17832 always convertible if they have the same size, but not otherwise.
17834 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17836 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17837 Remove the b_unconditional field.
17838 (noce_try_sign_mask): Do not look at b_unconditional.
17839 (noce_process_if_block): Do not use merge_if_blocks. Update
17840 the CFG here. Do not set b_unconditional.
17841 (cond_move_process_if_block): Likewise.
17842 (find_cond_trap): Likewise.
17843 (check_cond_move_block): Require simple jump insns at the end
17844 of the basic block.
17846 2007-01-11 Jan Hubicka <jh@suse.cz>
17848 PR tree-optimization/1046
17849 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17850 when alias info is not ready.
17851 (pass_tail_recursion): Do not require aliasing.
17852 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17853 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17854 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17855 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17856 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17857 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17858 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17860 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17861 When aliasing is not build, mark statement as volatile.
17863 2007-01-11 Tom Tromey <tromey@redhat.com>
17865 PR preprocessor/15185, PR preprocessor/20989:
17866 * doc/cppopts.texi <-MT>: Update description of algorithm for
17867 computing default target.
17868 <-M, -MD>: Reword "basename" text.
17870 2007-01-11 Roger Sayle <roger@eyesopen.com>
17872 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17873 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17874 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17875 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17876 fold_builtin_bswap, real_constp, fold_builtin_pow,
17877 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17878 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17879 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17880 * convert.c (convert_to_pointer): Likewise.
17881 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17882 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17883 const_binop, fold_convert_const_int_from_int,
17884 fold_convert_const_int_from_real,
17885 fold_convert_const_real_from_real, sign_bit_p,
17886 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17887 fold_sign_changed_comparison, fold_unary, fold_comparison,
17888 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17889 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17890 * print-tree.c (print_node_brief, print_node): Likewise.
17891 * stor-layout.c (place_field, layout_type): Likewise.
17892 * tree-chrec.c (keep_cast): Likewise.
17893 * tree.c (build_vector, build_real, build_real_from_int_cst,
17894 build_complex): Likewise.
17896 2007-01-11 Roger Sayle <roger@eyesopen.com>
17898 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17899 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17901 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17903 * configure.ac (strict1_warn): Rename to strict_warn.
17904 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17905 cc_set_by_configure, quoted_cc_set_by_configure,
17906 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17907 all_boot_languages, all_stagestuff): Remove.
17908 (target_list): Remove bootstrap targets.
17909 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17910 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17911 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17912 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17913 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17914 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17915 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17916 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17917 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17918 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17919 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17920 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17921 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17922 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17923 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17924 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17925 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17926 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17927 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17928 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17929 (mostlyclean): Adjust.
17930 (clean, distclean): Don't mention bootstrap stuff.
17931 * configure: Regenerate.
17932 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17933 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17934 treelang/config-lang.in (stagestuff): Remove.
17935 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17936 stageprofile, stagefeedback, stagestuff): Remove mention.
17938 2007-01-11 Nick Clifton <nickc@redhat.com>
17940 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17942 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17943 (mcore_arith_K_S_operand): Run the test for the S constraint not
17944 the test for the M constraint.
17945 (mcore_addsub_operand): Do not accept integer values that are
17946 larger than 32 bits.
17947 * config/mcore/mcore.md: Remove unused constraints from split.
17948 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17949 (addsi3): Likewise.
17950 (allocate_stack): Likewise.
17951 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17952 operands to 32 bits.
17953 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17955 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17956 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17957 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17958 mcore_output_bclri, mcore_output_andn, output_inline_const,
17959 mcore_output_move, mcore_output_movedouble): Likewise.
17960 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17961 (output_inline_const): Likewise.
17962 (output_inline_const): Fix format strings used in sprintf
17964 * config/mcore/mcore-protos.h: Update prototypes for changed
17965 functions in mcore.c.
17966 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17967 HOST_WIDE_INT and not int.
17968 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17969 CONST_OK_FOR_N): Likewise.
17970 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17971 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17974 2007-01-10 Jan Hubicka <jh@suse.cz>
17976 * tree-vrp.c (remove_range_assertions): Release defs.
17977 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17978 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17980 2007-01-10 Paul Brook <paul@codesourcery.com>
17982 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17983 * config/arm/arm.md (mulsi3subsi): New insn.
17985 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17987 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17988 (tree_transform_and_unroll_loop): New.
17989 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17992 2007-01-10 Robert Kennedy <jimbob@google.com>
17994 * fold-const.c (fold_comparison): Fold comparisons like (x *
17995 1000 < 0) to (x < 0).
17997 2007-01-10 Ian Lance Taylor <iant@google.com>
17999 * tree-pretty-print.c (dump_generic_node): Print parentheses when
18000 operands have the same priority.
18002 2007-01-10 Tom Tromey <tromey@redhat.com>
18004 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
18005 (fold_binary): Likewise.
18006 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
18007 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
18008 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
18009 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
18010 * langhooks.h (struct lang_hooks): Removed field
18011 'can_use_bit_fields_p'.
18013 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
18015 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
18017 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
18019 * function.c (get_last_funcdef_no): New function.
18020 * function.h (get_last_funcdef_no): Declare.
18021 * tree-inline.c (initialize_cfun): Add initialization.
18022 (tree_function_versioning): Cleanup.
18024 2007-01-10 Jan Hubicka <jh@suse.cz>
18026 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
18029 2007-01-10 Sa Liu <saliu@de.ibm.com>
18030 Ben Elliston <bje@au.ibm.com>
18032 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
18033 for SAVE_NONLOCAL and Pmode for any other save level.
18034 * spu-protos.h (spu_restore_stack_block): Declare.
18035 * spu.md (save_stack_block): Remove.
18036 (restore_stack_block): Call spu_restore_stack_block.
18037 * spu.c (spu_restore_stack_block): New function.
18038 (spu_expand_epilogue): Remove old comment.
18040 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
18042 PR tree-optimization/30322
18043 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
18044 (cand_value_at): Return the value as aff_tree.
18045 (may_eliminate_iv): Convert the bound from aff_tree to tree.
18046 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
18047 aff_combination_mult): New functions.
18048 (aff_combination_add): Use aff_combination_add_cst.
18049 (aff_combination_convert): Allow conversions to a wider type.
18050 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
18051 * tree-affine.h (aff_combination_mult): Declare.
18053 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
18055 * doc/tm.texi: Update documentation to reflect reality of exec
18056 and start file search behaviours. Update copyright year.
18057 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
18058 header file directories.
18060 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
18062 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
18063 (*cosxf2): Rename to cosxf2_i387.
18064 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
18065 using X87MODEF12 mode macro. Rename patterns to
18066 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
18068 (*cosdf2, *cossf2): Ditto.
18069 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
18070 to match extended input operands.
18071 (sincos<mode>3): New expander.
18072 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
18073 insn patterns and corresponding splitters.
18075 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
18077 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
18078 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
18080 2007-01-09 Nicolas Pitre <nico@cam.org>
18083 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
18085 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18087 * target.h (struct gcc_target): New field library_rtti_comdat.
18088 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
18089 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
18090 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
18091 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
18093 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18095 * doc/invoke.texi (Optimize Options): Correct description of -O0.
18097 2007-01-08 Richard Guenther <rguenther@suse.de>
18099 * tree.h (force_fit_type_double): Export.
18100 (force_fit_type): Remove.
18101 * fold-const.c (force_fit_type_double): New function.
18102 (force_fit_type): Remove.
18103 (int_const_binop): Use it.
18104 (fold_convert_const_int_from_int): Likewise.
18105 (fold_convert_const_int_from_real): Likewise.
18106 (fold_div_compare): Likewise.
18107 (fold_sign_changed_comparison): Likewise.
18108 (fold_unary): Likewise.
18109 (fold_negate_const): Likewise.
18110 (fold_abs_const): Likewise.
18111 (fold_not_const): Likewise.
18112 * c-common.c (shorten_compare): Use force_fit_type_double.
18113 * convert.c (convert_to_pointer): Likewise.
18115 2007-01-08 Richard Guenther <rguenther@suse.de>
18117 * tree.h (build_int_cst_wide_type): Export.
18118 * tree.c (build_int_cst_wide_type): New function.
18119 (build_int_cst_wide): Fix comment.
18120 * builtins.c (fold_builtin_object_size): Use build_int_cst
18121 to build -1 or 0 of the correct type. Use fit_double_type
18122 to check for overflow.
18123 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
18125 (decode_field_reference): Likewise.
18126 (all_ones_mask_p): Likewise.
18127 (native_interpret_int): Use build_int_cst_wide_type.
18128 (fold_binary): Use build_int_cst_type to build an all-ones
18130 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
18132 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
18134 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
18136 2007-01-09 Ben Elliston <bje@au.ibm.com>
18138 * genautomata.c (STATS_OPTION): New option.
18139 (stats_flag): New flag.
18140 (gen_automata_option): Handle it.
18141 (initiate_automaton_gen): Ditto.
18142 (write_automata): Output statistics only if stats_flag is
18143 set. Likewise, output time statistics only if time_flag is set.
18144 * doc/md.texi (Processor pipeline description): Document new flag.
18146 2007-01-08 Richard Guenther <rguenther@suse.de>
18148 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
18149 * tree.c (build_int_cst_type): Likewise.
18150 (size_in_bytes): Don't call force_fit_type on the result.
18151 (int_fits_type_p): Use fit_double_type.
18152 * fold-const.c (fit_double_type): New function.
18153 (force_fit_type): Use it.
18154 * tree.h (fit_double_type): Export.
18156 2007-01-08 Jan Hubicka <jh@suse.cz>
18158 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
18159 * ipa.c (function_and_variable_visibility): Fix return type.
18161 2007-01-08 Richard Guenther <rguenther@suse.de>
18163 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
18164 of offset to build the index.
18165 * tree-pretty-print.c (dump_generic_node): Don't build negated
18166 const just for printing.
18167 * c-pretty-print.c (pp_c_integer_constant): Likewise.
18168 * builtins.c (fold_builtin_int_roundingfn): Check if result
18169 fits the type by using force_fit_type and comparing the result.
18170 * predict.c (predict_loops): Use compare_tree_int for comparison.
18171 * tree.c (build_int_cst): Fall back to integer_type_node for
18173 (build_int_cst_wide): Assert type is non-null.
18175 2007-01-08 Roberto Costa <roberto.costa@st.com>
18177 * tree-vrp.c (extract_range_from_cond_expr): New.
18178 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
18179 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
18181 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
18182 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
18183 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
18184 used as expressions.
18185 * tree-object-size.c (cond_expr_object_size): New.
18186 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
18188 2007-01-08 Jan Hubicka <jh@suse.cz>
18190 * tree-ssa-forwprop.c (forward_propagate_into_cond,
18191 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
18194 2007-01-08 Richard Guenther <rguenther@suse.de>
18196 PR tree-optimization/23603
18197 * tree-vrp.c (set_value_range_to_truthvalue): New function.
18198 (extract_range_from_binary): Fall back to truthvalue instead of
18199 varying for TRUTH_*_EXPR.
18200 (extract_range_from_comparison): Fall back to truthvalue instead of
18202 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
18203 if all visited PHI values were constant.
18205 2007-01-08 Jan Hubicka <jh@suse.cz>
18207 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
18208 (cgraph_analyze_function): break out from ...
18209 (cgraph_finalize_compilation_unit): ... here.
18210 (cgraph_expand_function): Remove forgoten commented out line.
18211 (cgraph_optimize): Analyze functions.
18213 2007-01-08 Jan Hubicka <jh@suse.cz>
18215 * tree-pas.h (TODO_remove_function): New flag.
18216 (TODO_update*): Renumber.
18217 (pass_ipa_increase_alignment,
18218 pass_ipa_function_and_variable_visibility): New passes.
18219 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
18220 (cgraph_function_and_variable_visibility): Move to ipa.c
18221 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
18222 cgraph_increase_alignment.
18223 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
18224 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
18225 calling tree-inline.
18226 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
18227 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
18228 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
18229 (gate_increase_alignment): New function.
18230 (pass_ipa_increase_alignment): New pass.
18231 * ipa.c: Inline tree-pass.h and timevar.h
18232 (function_and_variable_visibility): Move here from cgraphunit.c
18233 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
18234 * passes.c (init_optimization_passes): Add the two new passes.
18235 (execute_todo): Handle cgraph_remove_functions.
18237 2007-01-08 Nick Clifton <nickc@redhat.com>
18239 * config/frv/predicates.md (reg_or_0_operand): Accept
18242 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
18244 * config/bfin/rtems.h, config/bfin/t-rtems: New.
18245 * config.gcc: Add bfin*-rtems*.
18247 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
18249 * c.opt: Add -flax-vector-conversions.
18250 * c-typeck.c (convert_for_assignment): Pass flag to
18251 vector_types_convertible_p to allow emission of note.
18252 (digest_init): Likewise.
18253 * c-opts.c: Handle -flax-vector-conversions.
18254 * c-common.c (flag_lax_vector_conversions): New.
18255 (vector_types_convertible_p): Unless -flax-vector conversions
18256 has been passed, disallow conversions between vectors with
18257 differing numbers of subparts and/or element types. If such
18258 a conversion is disallowed, possibly emit a note on the first
18259 occasion only to inform the user of -flax-vector-conversions.
18260 The new last argument specifies this.
18261 * c-common.h (flag_lax_vector_conversions): New.
18262 (vector_types_convertible_p): Add extra argument.
18263 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
18264 char_type_node for V*QI type vectors.
18265 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
18266 Update to satisfy new typechecking rules.
18267 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
18268 C and C++ variants.
18269 * doc/invoke.texi (C Dialect Options): Document
18270 -flax-vector-conversions.
18272 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
18274 PR tree-optimization/29877
18275 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
18276 a register variable on the RHS to not be replaceable.
18278 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
18279 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
18280 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
18281 const_simm15, const_pow2, const_npow2): Added.
18282 * config/score/misc.md (insv, extv, extzv, movmemsi,
18283 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
18284 * config/score/score.c (score_address_cost, score_select_cc_mode):
18286 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
18287 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
18288 Update score_print_operand.
18289 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
18290 Adjust register allocate order and update some macro define.
18291 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
18292 mdx_block_move_straight, mdx_block_move_loop_head,
18293 mdx_block_move_loop_body, mdx_block_move_loop_foot,
18294 mdx_block_move_loop, mdx_block_move): Added.
18295 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
18296 mdp_limm): Updated and fix some bug and typo.
18297 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
18298 (movsf, movdf, doloop_end): Added.
18300 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
18302 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
18303 config/arm/thumb2.md: Fix comment typos.
18304 * doc/extend.texi: Fix a typo.
18306 2007-01-07 Eric Christopher <echristo@apple.com>
18308 * configure.ac: Check for __stack_chk_fail for darwin.
18309 * configure: Regenerate.
18311 2007-01-07 Richard Guenther <rguenther@suse.de>
18313 * tree-vrp.c (extract_range_from_assert): CSE calls to
18314 compare_values where possible.
18315 (extract_range_from_unary_expr): Likewise.
18317 2007-01-07 Anatoly Sokolov <aesok@post.ru>
18319 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
18320 * config/avr/avr.c (call_insn_operand): Delete function.
18321 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
18322 instead of register number. Use predicates.
18323 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
18324 call_insn_operand): Add.
18326 2007-01-06 Jan Hubicka <jh@suse.cz>
18328 * tree-pass.h (pass_build_cgraph_edges): Declare.
18329 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
18330 (visited_nodes): Remove.
18331 (cgraph_create_edges): Move to cgraphbuild.c; rename to
18332 build_cgrpah_edges; make visited_nodes local.
18333 (cgraph_process_new_functions): DO not call initialize_inline_failed.
18334 (record_references_in_initializer): Move to cgraphbuild.c
18335 (initialize_inline_failed, rebuild_cgraph_edges,
18336 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
18337 (verify_cgraph_node): Make visited_nodes local.
18338 (cgraph_analyze_function): Do not call cgraph_create_edges and
18339 initialize_inline_failed.
18340 (cgraph_expand_function): Do not call cgraph_lower_function;
18341 assert that function is already lowered.
18342 * Makefile.in (cgraphbuild.o): New.
18343 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
18344 at the end of lowering passes.
18346 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
18348 * ifcvt.c (cond_move_convert_if_block): New function, code
18349 factored out from...
18350 (cond_move_process_if_block): ...here. Call the new function
18351 on the THEN and ELSE blocks.
18352 (merge_if_block): Do not copy global_live_at_end, merge_blocks
18353 already takes care of this.
18355 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18358 * tree.h (TREE_OVERFLOW_P): New.
18359 * c-typeck.c (parser_build_unary_op): Warn only if result
18360 overflowed and operands did not.
18361 (parser_build_binary_op): Likewise.
18362 (convert_for_assignment): Remove redundant overflow_warning.
18363 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
18365 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18367 * c-typeck.c (store_init_value): Split over two lines to follow
18368 the GNU coding style.
18370 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
18372 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
18373 __GXX_EXPERIMENTAL_CXX0X__.
18374 * doc/cpp.texi: Same.
18376 2007-01-05 Richard Guenther <rguenther@suse.de>
18378 PR middle-end/27826
18379 * tree.c (get_narrower): Do not construct COMPONENT_REFs
18380 with mismatched types. Instead explicitly build a
18381 conversion NOP_EXPR.
18383 2007-01-05 Ian Lance Taylor <iant@google.com>
18385 * c-common.c (decl_with_nonnull_addr_p): New function.
18386 (c_common_truthvalue_conversion): Call it.
18387 * c-typeck.c (build_binary_op): Likewise.
18388 * c-common.h (decl_with_nonnull_addr_p): Declare.
18390 2007-01-05 Jakub Jelinek <jakub@redhat.com>
18393 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
18396 2007-01-05 Joel Brobecker <brobecker@adacore.com>
18398 * doc/install.texi (Final install): Document the fact that
18399 the GNAT runtime should not be stripped.
18401 2007-01-04 Jan Hubicka <jh@suse.cz>
18403 * tree-inline.c (fold_marked_statements): Update operand caches
18404 and EH after folding
18406 2007-01-04 Ian Lance Taylor <iant@google.com>
18408 * c-common.c (check_function_nonnull): Whitespace fix.
18410 2007-01-04 Jan Hubicka <jh@suse.cz>
18412 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
18413 comitted older version of patch.
18414 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
18415 function, celanup cfg and collect garbage.
18417 2007-01-04 Mike Stump <mrs@apple.com>
18419 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
18422 2007-01-04 Eric Christopher <echristo@apple.com>
18424 * libgcc2.c (__bswapsi2): Use SItype.
18425 (__bswapdi2): Use DItype.
18426 * libgcc2.h: Update for above.
18428 2007-01-04 Paul Brook <paul@codesourcery.com>
18430 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
18431 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
18432 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
18433 umulsidi3, umulsidi3adddi, smulsi3_highpart,
18434 umulsi3_highpart): Make conditional on !arm_arch6.
18435 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
18436 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
18437 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
18438 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
18439 umulsi3_highpart_v6): New insns.
18441 2007-01-04 Roger Sayle <roger@eyesopen.com>
18443 * fold-const.c (fold_convert): When casting an expression to void,
18444 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
18445 have a type. Instead of attempting to build a NOP_EXPR, return
18446 these "special" trees directly.
18448 2007-01-04 Joseph Myers <joseph@codesourcery.com>
18450 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
18451 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
18452 rs6000_cost->fp not 0 as adjustment for outer NEG.
18454 2007-01-04 Jan Hubicka <jh@suse.cz>
18456 * cgraph.c (cgraph_release_function_body): New function.
18457 (cgraph_remove_node): Use it.
18458 * cgraph.h (cgraph_release_function_body): Declare.
18459 * cgraphunit.c (cgraph_expand_function): Use it.
18460 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
18461 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
18462 is initialized and while compilation of other function is running.
18463 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
18464 statement CFG annotations from here to ...
18465 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
18467 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
18469 * cfgloop.h (enum li_flags): Make the constants powers of two.
18471 2007-01-04 Jan Hubicka <jh@suse.cz>
18473 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
18475 (fold_marked_statements): New function.
18476 (optimize_inline_calls, tree_function_versioning): Fold new statements.
18477 * tree-inline.h (copy_body_data): Add statements_to_fold.
18479 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
18481 * config.gcc: Mention libgcc/config.host.
18482 * Makefile.in: Update comments mentioning libgcc.
18483 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
18484 (all.cross, start.encap, rest.encap, rest.cross): Update
18485 dependencies for libgcc move.
18486 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
18487 (clean-target, clean-target-libgcc): Delete.
18488 (srcdirify, GCC_EXTRA_PARTS): New macros.
18489 (libgcc-support, libgcc.mvars): New rules.
18490 (distclean): Remove mention of mklibgcc.
18491 (install): Don't reference INSTALL_LIBGCC.
18492 (install-common): Don't reference EXTRA_PARTS.
18493 (install-libgcc, install-multilib): Delete rules.
18494 * mklibgcc.in: Delete file.
18495 * doc/configfiles.texi: Don't mention mklibgcc.
18497 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
18498 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
18499 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
18500 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
18501 (mklibgcc, ldblspecs): Likewise.
18503 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
18504 (posixpre.def): Use $(T).
18505 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
18506 (SHLIB_SRC, SHLIB_INSTALL): Delete.
18507 (SHLIB_LINK): Make dummy.
18508 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
18510 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
18512 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
18513 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
18514 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
18515 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
18517 * configure.ac (all_outputs): Remove mklibgcc.
18518 * configure: Regenerated.
18520 2007-01-03 Josh Conner <jconner@apple.com>
18522 PR middle-end/29683
18523 * calls.c (compute_argument_addresses): Set stack and stack_slot
18524 for partial args, too.
18525 (store_one_arg): Use locate.size.constant for the size when
18526 generating a save_area.
18528 2007-01-03 Robert Kennedy <jimbob@google.com>
18530 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
18531 whose definitions are deleted due to basic block merging.
18533 2007-01-03 Paul Brook <paul@codesourcery.com>
18536 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
18538 (use_return_insn): Return 0 for Thumb interrupt functions.
18539 (print_multi_reg): Add rfe argument for IRQ returns.
18540 (arm_output_epilogue): Pop interrupt return address directly into PC.
18541 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
18543 2007-01-03 Paul Brook <paul@codesourcery.com>
18545 Merge from sourcerygxx-4_1.
18546 * config/arm/thumb2.md: New file.
18547 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
18549 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
18550 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18551 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
18552 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
18554 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18555 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
18557 * config/arm/ieee754-sf.S: Ditto.
18558 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
18559 (thumb1_base_register_rtx_p): ... to this.
18560 (thumb_index_register_rtx_p): Rename...
18561 (thumb1_index_register_rtx_p): ... to this.
18562 (thumb_output_function_prologue): Rename...
18563 (thumb1_output_function_prologue): ... to this.
18564 (thumb_legitimate_address_p): Rename...
18565 (thumb1_legitimate_address_p): ... to this.
18566 (thumb_rtx_costs): Rename...
18567 (thumb1_rtx_costs): ... to this.
18568 (thumb_compute_save_reg_mask): Rename...
18569 (thumb1_compute_save_reg_mask): ... to this.
18570 (thumb_final_prescan_insn): Rename...
18571 (thumb1_final_prescan_insn): ... to this.
18572 (thumb_expand_epilogue): Rename...
18573 (thumb1_expand_epilogue): ... to this.
18574 (arm_unwind_emit_stm): Rename...
18575 (arm_unwind_emit_sequence): ... to this.
18576 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
18577 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
18578 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
18579 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
18580 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
18581 thumb2_output_casesi): New functions.
18582 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
18583 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
18584 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
18585 THUMB2_WORK_REGS): Define.
18586 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
18587 arm_condexec_mask, arm_condexec_masklen)): New variables.
18588 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
18589 (arm_override_options): Check new CPU capabilities.
18590 Set new architecture flag variables.
18591 (arm_isr_value): Handle v7m interrupt functions.
18592 (user_return_insn): Return 0 for v7m interrupt functions. Handle
18594 (const_ok_for_arm): Handle Thumb-2 constants.
18595 (arm_gen_constant): Ditto. Use movw when available.
18596 (arm_function_ok_for_sibcall): Return false for v7m interrupt
18598 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
18599 (thumb_find_work_register, arm_load_pic_register,
18600 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
18601 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
18602 print_multi_reg, output_mov_long_double_fpa_from_arm,
18603 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
18604 output_mov_double_fpa_from_arm, output_move_double,
18605 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
18606 output_return_instruction, arm_output_function_prologue,
18607 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
18608 arm_output_mi_thunk, thumb_set_return_address): Ditto.
18609 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
18610 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
18611 (arithmetic_instr, shift_op): Use arm_shift_nmem.
18612 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
18614 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
18615 (thumb_expand_prologue): Use thumb_set_frame_pointer.
18616 (arm_file_start): Output directive for unified syntax.
18617 (arm_unwind_emit_set): Handle stack alignment instruction.
18618 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
18619 Add v6t2, v7, v7a, v7r and v7m.
18620 (RETLDM): Add Thumb-2 code.
18621 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
18622 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
18623 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
18624 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
18625 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
18626 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
18627 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
18628 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
18629 ADJUST_INSN_LENGTH): Define.
18630 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
18631 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
18632 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
18633 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
18634 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
18635 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
18636 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
18637 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
18638 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
18639 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
18640 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
18641 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
18642 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
18643 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
18644 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
18645 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
18646 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
18648 * config/arm/arm-tune.md: Regenerate.
18649 * config/arm/arm-protos.h: Update prototypes.
18650 * config/arm/vfp.md: Enable patterns for Thumb-2.
18651 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
18652 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
18653 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
18654 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
18655 * config/arm/libunwind.S: Add Thumb-2 code.
18656 * config/arm/constraints.md: Update include Thumb-2.
18657 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
18658 * config/arm/ieee754-df.S: Ditto.
18659 * config/arm/bpabi.S: Ditto.
18660 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
18661 * config/arm/predicates.md (low_register_operand,
18662 low_reg_or_int_operand, thumb_16bit_operator): New.
18663 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
18664 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
18665 * config/arm/t-arm-elf: Add armv7 multilib.
18666 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
18668 (UNSPEC_STACK_ALIGN, ce_count): New.
18669 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
18670 arm_zero_extendsidi2, arm_zero_extendqidi2): New
18672 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
18673 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
18674 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
18675 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
18676 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
18677 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
18679 * doc/extend.texi: Document ARMv7-M interrupt functions.
18680 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
18682 2007-01-03 Jakub Jelinek <jakub@redhat.com>
18684 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18685 (struct _Unwind_Context): Rename args_size to flags, remove
18686 signal_frame field, add a new args_size field and version field.
18687 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18688 _Unwind_IsExtendedContext): New inline functions.
18689 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18690 Assume by_value array is only present if _Unwind_IsExtendedContext.
18691 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18692 _Unwind_IsSignalFrame.
18693 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18694 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18695 (uw_init_context_1): Initialize context->flags to
18696 EXTENDED_CONTEXT_BIT.
18697 * config/rs6000/linux-unwind.h (frob_update_context): Use
18698 _Unwind_SetSignalFrame.
18700 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18702 PR middle-end/30353
18703 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18704 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18707 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18709 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18710 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18711 RET, AT_SP): Remove.
18712 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18715 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18716 * cfgbuild.c (find_basic_blocks): Likewise.
18717 * cfgrtl.c (rtl_create_basic_block): Likewise.
18718 * function.c (temp_slots_at_level): Likewise.
18719 * reg-stack.c (stack_regs_mentioned): Likewise.
18720 * regclass.c (allocate_reg_info): Likewise.
18721 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18722 set_bb_for_stmt, move_block_to_fn): Likewise.
18723 * tree-complex.c (tree_lower_complex): Likewise.
18724 * vec.h (VEC_safe_grow_cleared): New.
18726 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18728 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18730 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18731 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18733 * cfgloopmanip.c (scale_loop_frequencies): Export.
18734 (loopify): Scale the frequencies by prescribed coefficients.
18735 (set_zero_probability): New function.
18736 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18737 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18738 and frequencies according to arguments.
18739 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18741 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18742 * modulo-sched.c (sms_schedule): Set probabilities for entering
18743 versioned loop correctly.
18744 * tree-vect-transform.c (vect_transform_loop): Ditto.
18745 * cfgloop.h (loopify, loop_version): Declaration changed.
18746 (scale_loop_frequencies): Declared.
18748 2007-01-02 Jan Hubicka <jh@suse.cz>
18750 * cgraph.c: Include tree-flow.h
18751 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18752 early_local_passes.
18753 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18754 * tree-pass.h (pass_all_early_optimizations): Declare.
18755 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18756 early_local_passes.
18757 (cgraph_analyze_function): Do early_local_passes.
18758 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18759 Do not add referenced vars.
18760 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18762 (gate_all_early_local_passes): New gate.
18763 (pass_early_local_passes): Use new gate.
18764 (execute_early_local_optimizations): New functions.
18765 (gate_all_early_optimizations): New gate.
18766 (pass_all_early_optimizations): New pass.
18767 (execute_free_datastructures): Free SSA only when initialized.
18768 (gate_init_datastructures): Init only when optimizing.
18769 (tree_lowering_passes): Do early local passes when called late.
18770 * tree-profile.c (do_tree_profiling): Don't profile functions added
18772 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18773 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18775 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18776 during early_local_passes.
18777 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18780 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18782 * Makefile.in: Update copyright year.
18784 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18786 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18787 in $(lang_checks) and check-consistency targets.
18789 2007-01-02 Jan Hubicka <jh@suse.cz>
18791 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18792 Do not add referenced vars.
18793 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18795 * passes.c (init_optimization_passes): Put mudflap_2 after
18796 free_datastructures.
18798 2007-01-02 Jan Hubicka <jh@suse.cz>
18800 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18801 Set NOTHROW flag on call statements proved to be nothrow.
18802 Update statement of local calls so new pure/const functions are
18803 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18805 (tree_rest_of_compilation): Register hooks and initialize bitmap
18806 early. Do not set after_inlining flag.
18808 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18810 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18811 HOST_BITS_PER_LONGLONG
18813 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18816 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18817 warning for non-static initializers.
18819 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18821 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18822 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18823 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18824 Always use set_unique_reg_note to add REG_EQUAL notes.
18826 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18829 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18831 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18832 * cfgbuild.c (find_basic_blocks): Likewise.
18833 * cfgrtl.c (rtl_create_basic_block): Likewise.
18834 * function.c (temp_slots_at_level): Likewise.
18835 * reg-stack.c (stack_regs_mentioned): Likewise.
18836 * regclass.c (allocate_reg_info): Likewise.
18837 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18838 set_bb_for_stmt, move_block_to_fn): Likewise.
18839 * tree-complex.c (tree_lower_complex): Likewise.
18840 * vec.h (VEC_safe_grow_cleared): New.
18842 2007-01-02 Ian Lance Taylor <iant@google.com>
18844 * c-common.c (c_common_truthvalue_conversion): When warning about
18845 using an assignment as a truth value, set TREE_NO_WARNING.
18847 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18850 * c.opt (Wold-style-declaration): New.
18851 * doc/invoke.texi (C-only Warning Options): New.
18852 (Wold-style-declaration): Document it.
18853 (Wextra): Enabled by -Wextra.
18854 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18855 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18856 -Wold-style-declaration.
18858 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18860 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18861 * cfgbuild.c (find_basic_blocks): Likewise.
18862 * cfgrtl.c (rtl_create_basic_block): Likewise.
18863 * function.c (temp_slots_at_level): Likewise.
18864 * reg-stack.c (stack_regs_mentioned): Likewise.
18865 * regclass.c (allocate_reg_info): Likewise.
18866 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18867 set_bb_for_stmt, move_block_to_fn): Likewise.
18868 * tree-complex.c (tree_lower_complex): Likewise.
18869 * vec.h (VEC_safe_grow_cleared): New.
18871 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18873 * c-common.c (c_common_nodes_and_builtins): Since variants of
18874 void_type_node get built before it is given a name, we need to
18875 give those variants the name, too.
18876 (complete_array_type): We need to work with the canonical main
18877 type of the array, from which we will build the qualified version.
18878 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18879 * print-tree.c (print_node): Display canonical type information
18881 * stor-layout.c (layout_type): When we don't know the
18882 alignment of a type for which we're building an array, we end up
18883 guessing wrong, so make the type require structural equality.
18884 * tree.c (make_node_stat): When we build a new type, it is its
18885 own canonical type.
18886 (build_type_attribute_qual_variant): When building an attribute
18887 variant, its canonical type is the non-attribute variant. However,
18888 if the attributes are target-dependent and they differ, we need to
18889 use structural equality checks for this type.
18890 (build_qualified_type): A qualified type is not equivalent to its
18891 unqualified variant; set the canonical type appropriately.
18892 (build_distinct_type_copy): When building a distinct type from
18893 another type, the new type is its own canonical type.
18894 (build_variant_type_copy): When building a new type variant, we
18895 assume that it is equivalent to the original type.
18896 (build_pointer_type_for_mode): When building a pointer type, also
18897 build a canonical type pointer.
18898 (build_reference_type_for_mode): When building a reference type,
18899 also build a canonical type reference.
18900 (build_index_type): When we can't hash an index type (e.g.,
18901 because its maximum value is negative), the index type requires
18902 structural equality tests.
18903 (build_array_type): Build the canonical form of an array type.
18904 (build_function_type): Function types require structural equality,
18905 because they contain default arguments, attributes, etc.
18906 (build_method_type_directly): Ditto for method types.
18907 (build_offset_type): Build the canonical offset type.
18908 (build_complex_type): Build the canonical vector type.
18909 (make_vector_type): Build the canonical vector type.
18910 * tree.h (TYPE_CANONICAL): New.
18911 (TYPE_STRUCTURAL_EQUALITY_P): New.
18912 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18913 (struct tree_type): Added "canonical" field.
18914 * params.h (VERIFY_CANONICAL_TYPES): New.
18915 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18916 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18917 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18918 * doc/invoke.texi (verify-canonical-types): Document --param
18919 parameter for verifying canonical types.
18921 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18923 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18924 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18925 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18926 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18928 * config/rs6000/e500.h: New.
18929 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18930 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18932 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18933 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18934 TARGET_E500_DOUBLE): Remove.
18935 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18936 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18937 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18938 * config/rs6000/rs6000.c (rs6000_override_options): Use
18939 CHECK_E500_OPTIONS.
18941 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18943 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18944 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18945 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18946 rs6000_emit_cmove): Don't check TARGET_E500.
18947 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18948 sordered): Don't check TARGET_E500.
18950 2007-01-01 Eric Christopher <echristo@apple.com>
18952 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18953 HARD_REGISTER_NUM_P.
18955 2007-01-01 Roger Sayle <roger@eyesopen.com>
18957 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18958 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18959 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18962 2007-01-01 Mike Stump <mrs@apple.com>
18964 * configure.ac: Remove support for building with Apple's gcc-3.1.
18966 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18968 PR middle-end/30311
18969 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18970 REG is a hard register. Do not modify REG before calling
18972 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18973 multiple of the size of YMODE for certain lowpart cases.
18975 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18977 PR middle-end/30253
18978 * gimplify (voidify_wrapper_expr): Update for
18979 GIMPLE_MODIFY_STMT.
18981 2007-01-01 Andreas Schwab <schwab@suse.de>
18984 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18985 save of BR0 in extra_spill_size instead of spill_size.
18986 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18988 (ia64_expand_epilogue): Restore BR0 from its new location.
18990 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18992 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18993 Use a temporary variable if the left hand side is not a gimple
18996 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18998 * gimplify.c (gimplify_return_expr): Make the temporary variable
18999 for the return expression, a gimple register variable.
19001 2007-01-01 Jan Hubicka <jh@suse.cz>
19003 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
19006 2007-01-01 Mike Stump <mrs@apple.com>
19008 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
19010 * config/darwin.c (machopic_select_rtx_section): Use
19011 HAVE_GAS_LITERAL16.
19012 (darwin_mergeable_constant_section): Likewise.
19013 * configure: Regenerate.
19014 * config.in: Regenerate.
19016 2007-01-01 Jan Hubicka <jh@suse.cz>
19017 Andrew Pinski <pinskia@gmail.com>
19019 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
19020 before starting IPA passes.