1 2007-07-11 Ulrich Weigand <uweigand@de.ibm.com>
3 * config/spu/spu.c (spu_optimization_options): Remove setting of
4 parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
5 (spu_override_options): Move it here.
7 2007-07-11 Richard Sandiford <richard@codesourcery.com>
9 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and
11 * config/mips/mips.c (mips_cpu_info_table): Mention MIPS_ISA_LEVEL_SPEC
14 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
16 PR tree-optimization/32713
17 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
19 2007-07-11 Paolo Carlini <pcarlini@suse.de>
22 * c-opts.c (c_common_post_options): Do not change flag_complex_method
23 conditional to flag_isoc99.
24 (c_common_init_options): Do it here, unconditionally.
26 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
28 PR tree-optimization/32589
29 * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
30 * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
31 * tree-ssa-propagate.c (valid_gimple_expression_p): New
32 predicate, extracted from...
33 (set_rhs): ...here. Call it for the expression on entry.
34 * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
35 * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
36 (simplify_binary_expression): Use valid_gimple_expression_p
37 to validate the simplification.
38 * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
40 2007-07-11 Danny Smith <dannysmith@users.sourceforge.net>
42 * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
43 DWARF2_DEBUG on 32 bit target too.
44 (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
46 2007-07-11 Nick Clifton <nickc@redhat.com>
48 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
49 version for 64-bit hosts.
51 2007-07-10 David Daney <ddaney@avtrex.com>
53 * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
55 (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library
57 * config/mips/mips.c (mips_expand_synci_loop): New function.
58 * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
62 (clear_cache): New expand.
67 * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
69 * testsuite/gcc.target/mips/clear-cache-1.c: New test.
70 * testsuite/gcc.target/mips/clear-cache-2.c: New test.
72 2007-07-10 Ian Lance Taylor <iant@google.com>
74 * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
77 2007-07-10 David Daney <ddaney@avtrex.com>
79 * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
80 * builtins.c (expand_builtin___clear_cache): New function.
81 (expand_builtin): Call expand_builtin___clear_cache for
82 BUILT_IN_CLEAR_CACHE case.
83 * doc/extend.texi (__builtin___clear_cache): Document new builtin.
84 * doc/md.texi (clear_cache): Document new instruction pattern.
85 * testsuite/gcc.dg/builtins-64.c: New test.
87 2007-07-11 Hans-Peter Nilsson <hp@axis.com>
89 * config/cris/cris.md ("movsi"): Fix typo in last change.
91 2007-07-09 Geoffrey Keating <geoffk@apple.com>
94 * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
96 (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
97 * varasm.c (assemble_start_function): Honor DECL_ALIGN
98 for FUNCTION_DECLs. Don't use align_functions_log if
100 * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
101 even for FUNCTION_DECLs.
102 * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
104 * tree.h (DECL_ALIGN): Update for new location of 'align'.
105 (DECL_FUNCTION_CODE): Update for new location and name of
107 (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
108 (struct tree_decl_common): Move 'align' and 'off_align' out
109 of union, ensure they're still on a 32-bit boundary. Remove
110 other fields in union 'u1'.
111 (struct tree_function_decl): Add field 'function_code' replacing
112 'u1.f' in tree_decl_common.
113 * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
114 * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
115 (Variable Attributes): Cross-reference 'aligned' attribute
116 to Function Attributes.
117 * flags.h (force_align_functions_log): Delete.
118 * toplev.c (force_align_functions_log): Delete.
120 2007-07-10 Uros Bizjak <ubizjak@gmail.com>
123 * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
124 (*vec_concatv2di_rex): New insn pattern.
126 2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
129 * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
131 2007-07-10 Ian Lance Taylor <iant@google.com>
133 Replace no_new_pseudos in backends.
134 * rtl.h (can_create_pseudo_p): Define.
135 * config/darwin.c (machopic_indirect_data_reference): Use
136 can_create_pseudo_p () instead of no_new_pseudos.
137 (machopic_indirect_data_reference): Likewise.
138 (machopic_legitimize_pic_address): Likewise.
139 * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
140 (alpha_emit_set_const_1): Likewise.
141 (alpha_emit_set_const): Likewise.
142 (alpha_emit_conditional_move): Likewise.
143 (alpha_split_conditional_move): Likewise.
144 * config/alpha/alpha.md (various splitters): Likewise.
146 * config/arm/arm.c (legitimize_pic_address): Likewise.
147 (arm_load_pic_register): Likewise.
148 * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
149 (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
150 * config/bfin/bfin.c (legitimize_pic_address): Likewise.
151 * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
152 * config/cris/cris.md (movsi): Likewise.
153 * config/frv/frv.md (symGOT2reg_hilo): Likewise.
154 (symGOTOFF2reg_hilo): Likewise.
155 (symGPREL2reg, symGPREL2reg_hilo): Likewise.
156 * config/h8300/h8300.md (insv, extzv): Likewise.
157 * config/i386/i386.c (ix86_expand_move): Likewise.
158 (ix86_expand_vector_move): Likewise.
159 (ix86_prepare_fp_compare_args): Likewise.
160 (ix86_expand_carry_flag_compare): Likewise.
161 * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
162 (tls_dynamic_gnu2_combine_32): Likewise.
163 (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
164 * config/ia64/ia64.c (ia64_expand_move): Likewise.
165 (ia64_expand_movxf_movrf): Likewise.
166 * config/m32c/m32c.c (m32c_prepare_move): Likewise.
167 (m32c_split_move): Likewise.
168 (m32c_expand_insv): Likewise.
169 * config/m68k/m68k.md (movsi): Likewise.
170 * config/mips/mips.c (mips_force_temporary): Likewise.
171 (mips_split_symbol): Likewise.
172 (mips_move_integer): Likewise.
173 (mips_legitimize_const_move): Likewise.
174 * config/mn10300/mn10300.md (movsi): Likewise.
175 * config/pa/pa.c (emit_move_sequence): Likewise.
176 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
177 (rs6000_got_register): Likewise.
178 (create_TOC_reference): Likewise.
179 (rs6000_machopic_legitimize_pic_address): Likewise.
180 * config/rs6000/rs6000.md (add<mode>3): Likewise.
181 (various splitters): Likewise.
182 (iorsi3, xorsi3, iordi3, xordi3): Likewise.
183 (movsi_got): Likewise.
184 * config/s390/s390.c (emit_symbolic_move): Likewise.
185 * config/s390/s390.md (movhi, movqi): Likewise.
186 (load_multiple, store_multiple): Likewise.
187 * config/score/score.c (score_force_temporary): Likewise.
188 * config/sh/sh.c (prepare_move_operands): Likewise.
189 (prepare_cbranch_operands): Likewise.
190 (emit_fpu_switch): Likewise.
191 (fpscr_set_from_mem): Likewise.
192 * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
193 (adddi3, subsi3): Likewise.
194 (various splitters): Likewise.
195 (divsi_inv_fp_combine): Likewise.
196 (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
197 (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
199 * config/sh/predicates.md (xor_operand): Likewise.
200 * config/sparc/sparc.c (legitimize_tls_address): Likewise.
201 * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
202 (movdi_pic_label_ref): Likewise.
203 * config/spu/spu.c (spu_split_immediate): Likewise.
204 * config/alpha/alpha.md (various splitters): Remove test
205 !no_new_pseudos || reload_completed.
206 * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
208 * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
209 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
210 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
211 * config/score/score.c (th_output_mi_thunk): Likewise.
212 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
213 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
215 2007-07-10 Kaz Kojima <kkojima@gcc.gnu.org>
217 PR rtl-optimization/32664
218 * mode-switching.c (create_pre_exit): Skip barrier insns.
220 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
222 * tree-scalar-evolution.c (scev_const_prop): Add arguments to
223 force_gimple_operand_bsi.
224 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
225 rewrite_use_compare): Ditto.
226 * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
228 * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
229 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
230 * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
231 * tree-profile.c (prepare_instrumented_value,
232 tree_gen_interval_profiler, tree_gen_pow2_profiler,
233 tree_gen_one_value_profiler, tree_gen_ic_profiler,
234 tree_gen_ic_func_profiler, tree_gen_average_profiler,
235 tree_gen_ior_profiler): Ditto.
236 * tree-ssa-reassoc.c (negate_value): Ditto.
237 * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
238 Use force_gimple_operand_bsi.
239 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
240 * tree-if-conv.c (add_to_dst_predicate_list,
241 find_phi_replacement_condition): Ditto.
242 * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
243 Call mark_symbols_for_renaming for new statements.
244 * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
246 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
248 * cfghooks.c (remove_edge): New function.
249 (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
251 * cfghooks.h (remove_edge): Declare.
252 * cfg.c (remove_edge): Renamed to remove_edge_raw.
253 * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
255 2007-07-09 Wolfgang Gellerich <gellerich@de.ibm.com>
257 * optabs.h: Added declaration for signbit_optab.
258 * optabs.c: (init_optabs): Added initialization for signbit_optab.
259 * genoptinit.c (optabs): Added entry for signbit insns.
260 * builtins.c (expand_builtin_signbit): Added code to use a signbit
262 * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
263 * config/s390/s390.md (signbit<mode>2): New expander.
265 2007-07-09 Richard Guenther <rguenther@suse.de>
268 * fold-const.c (fold_plusminus_mult_expr): Move constant
269 arguments second to allow decomposing.
271 2007-07-09 Alexandre Oliva <aoliva@oliva.athome.lsd.ic.unicamp.br>
274 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
276 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
277 Disregard DECL_FROM_INLINE.
279 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
282 * doc/invoke.texi: Add ftree-reassoc flag.
283 * common.opt (ftree-reassoc): New flag.
284 * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
285 (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
287 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
289 PR tree-optimization/32681
290 * tree-if-conv.c (find_phi_replacement_condition): Use the condition
291 saved in second_edge->aux when first_bb is a loop header.
293 2007-07-09 Jan HUbicka <jh@suse.cz>
295 * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
297 2007-07-09 Richard Guenther <rguenther@suse.de>
299 * c-decl.c (start_function): Do not promote return type.
301 2007-07-08 Daniel Franke <franke.daniel@gmail.com>
303 * function.c (do_warn_unused_parameter): Do not warn if
304 TREE_NO_WARNING is set.
306 2007-07-08 Andreas Schwab <schwab@suse.de>
308 * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
310 2007-07-08 Sandra Loosemore <sandra@codesourcery.com>
313 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
315 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
316 apply to assembly language, too.
317 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
319 2007-07-07 Daniel Berlin <dberlin@dberlin.org>
321 Revert (note the sccvn portions are *not* reverted)
322 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
324 Fix PR tree-optimization/23488
326 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
328 * tree-flow-inline.h (get_value_handle): Ditto.
329 * tree-ssa-pre.c (decl_vh_map): New.
330 (decl_node_pool): New.
331 (can_value_number_operation): Support DECL_P.
332 (can_PRE_operation): Ditto.
333 (create_expression_by_pieces): Ditto.
334 (find_existing_value_expr): Modify to differnetiate between
335 addressing and top level.
336 (create_value_handle_for_expr): Handle DECL's.
337 (poolify_tree): Ditto.
338 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
339 (make_values_for_stmt): Handle DECL's properly.
340 (init_pre): Reorg to not init useless things during FRE.
342 * tree-flow.h: Include pointer-set.h.
343 (decl_vh_map): Declare.
344 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
346 2007-07-07 Eric Weddington <eweddington@cso.atmel.com>
348 * config/avr/constraints.md (define_memory_constraint "Q"): Fix
349 the constraint description.
350 * doc/md.texi: Update documentation of AVR constraints.
352 2007-07-07 Kazu Hirata <kazu@codesourcery.com>
354 * auto-inc-dec.c, config/arm/arm.c,
355 config/m32r/constraints.md, config/mips/mips.md,
356 config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
357 df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
358 tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
359 typos. Follow spelling conventions.
360 * doc/invoke.texi, doc/rtl.texi: Fix typos.
362 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
363 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
365 * tree-ssa-operands.c (realloc_vop, realloc_vdef,
366 realloc_vuse): Remove.
367 * tree-ssa-operands.h: Remove the prototype for realloc_vdef
370 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
372 Fix PR tree-optimization/23488
374 * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
375 (try_to_simplify): Ditto.
377 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
379 * tree-flow-inline.h (get_value_handle): Ditto.
380 * tree-ssa-pre.c (decl_vh_map): New.
381 (decl_node_pool): New.
382 (can_value_number_operation): Support DECL_P.
383 (can_PRE_operation): Ditto.
384 (create_expression_by_pieces): Ditto.
385 (find_existing_value_expr): Modify to differnetiate between
386 addressing and top level.
387 (create_value_handle_for_expr): Handle DECL's.
388 (poolify_tree): Ditto.
389 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
390 (make_values_for_stmt): Handle DECL's properly.
391 (init_pre): Reorg to not init useless things during FRE.
393 * tree-flow.h: Include pointer-set.h.
394 (decl_vh_map): Declare.
395 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
397 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
399 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
400 apply to assembly language, too.
401 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
403 2007-07-06 Ian Lance Taylor <iant@google.com>
404 Zack Weinberg <zackw@panix.com>
407 * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
409 2007-07-06 Richard Sandiford <richard@codesourcery.com>
411 * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
412 (prefetch): Likewise if "pref" would be used.
414 2007-07-06 Josh Conner <jconner@apple.com>
418 * calls.c (store_one_arg): Handle arguments which are partially
419 on the stack when detecting argument overlap.
421 2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
423 * reload1.c (choose_reload_regs): Set reload_spill_index for regs
424 chosen during find_reloads.
426 2007-07-06 Richard Guenther <rguenther@suse.de>
428 * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
429 TYPE_ARG_TYPES for verification of argument types. Use
430 DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
431 parameters as variable arguments.
433 2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
435 * libgcc2.h (word_type): Type definition removed.
436 (cmp_return_type, shift_count_type): Type definitions added.
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 * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
442 changed from word_type to Wtype.
443 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
444 replaced with shift_count_type.
445 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
447 * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
448 and libgcc_shift_count attribute added.
449 * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
450 TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
451 (TARGET_INITIALIZER): New target hooks added.
452 * targhooks.c (default_libgcc_cmp_return_mode,
453 default_libgcc_shift_count_mode): Default implementations for the new
455 * targhooks.h (default_libgcc_cmp_return_mode,
456 default_libgcc_shift_count_mode): Function prototypes added.
457 * target.h (struct gcc_target): Fields for the new target hooks added.
458 * optabs.c (expand_binop): Use shift_count_mode when expanding shift
460 (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
463 * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
464 TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
466 * config/s390/s390.c (s390_libgcc_cmp_return_mode,
467 s390_libgcc_shift_count_mode): Functions added.
468 (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
469 Target hooks defined.
471 2007-07-06 Richard Sandiford <richard@codesourcery.com>
473 * config/mips/mips.c (compute_frame_size): Restore the original
474 gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
475 fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
476 Document why the difference is needed.
478 2007-07-06 Richard Guenther <rguenther@suse.de>
480 * c-common.c (boolean_increment): Use correctly typed
483 2007-07-06 Richard Sandiford <richard@codesourcery.com>
485 * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
486 the topmost argument register is not also included in the save mask.
487 (mips16e_collect_argument_save_p): Take a pointer to the argument
488 register, rather than a pointer to the number of arguments.
489 (mips16e_collect_argument_saves): Only include argument saves
490 that aren't in the register mask.
492 2007-07-06 Uros Bizjak <ubizjak@gmail.com>
494 PR rtl-optimization/32450
495 * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
496 to ensure that instructions are not moved into the prologue when
497 profiling is on. Remove unused prologue_end variable.
498 (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
499 as a scheduling barrier.
501 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
504 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
505 Disregard DECL_FROM_INLINE.
507 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
509 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
510 IORing with a constant.
512 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
514 PR rtl-optimization/32475
515 * df-scan.c (df_def_record_1): Add a use of the stack pointer
516 for every definition of the stack pointer.
518 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
520 * arm.c (vfp3_const_double_index): Copy signed results of
521 REAL_VALUE_TO_INT into unsigned vars.
523 2007-07-05 Richard Guenther <rguenther@suse.de>
526 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
528 * tree-ssa.c (useless_type_conversion_p): Check canonical
531 2007-07-05 Anatoly Sokolov <aesok@post.ru>
533 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
534 zero_extendhisi2): Change to define_insn_and_split.
535 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
537 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
539 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
540 pass_match_asm_constraints): New.
541 * passes.c (init_optimization_passes): Add new pass.
542 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
543 * function.h (struct function): Add has_asm_statement bit.
544 (current_function_has_asm_statement): New.
545 * tree-pass.h (pass_match_asm_constraints): New.
547 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
549 * config/mips/mips.c (mips_file_start): Avoid declaration
552 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
554 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
556 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
558 * rtl.def (NOTE): Change print format string to print
559 operand 5 as a note insn name.
561 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
562 David Ung <davidu@mips.com>
564 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
565 * doc/invoke.texi: (MIPS Options): Document them.
567 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
568 David Ung <davidu@mips.com>
570 Add support for SmartMIPS ASE.
572 * optabs.c (expand_binop_directly): New, broken out from...
573 (expand_binop): Here. Make it try rotating in the other
574 direction even when the second operand isn't constant.
575 * config/mips/mips.md (*lwxs): New.
576 * config/mips/mips.opt (msmartmips): New.
577 * config/mips/mips.c (mips_lwxs_address_p): New.
578 (mips_rtx_costs): Make it recognize scaled indexed addressing.
579 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
580 __mips_smartmips when compiling for TARGET_SMARTMIPS.
581 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
583 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
584 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
585 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
586 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
587 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
588 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
589 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
591 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
593 * tree-vectorizer.c (new_loop_vec_info): Initialize
594 LOOP_VINFO_COST_MODEL_MIN_ITERS.
595 * tree-vectorizer.h (_loop_vec_info): Added new filed
596 min_profitable_iters.
597 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
598 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
599 * tree-vect-analyze.c (vect_analyze_operations): Set
600 LOOP_VINFO_COST_MODEL_MIN_ITERS.
601 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
602 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
603 Fix calculation of peel_iters_prologue. Move consideration of epilogue
604 and prologue cost to after they are computed.
605 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
607 (vect_model_simple_cost): Takes additional argument dt. Consider cost
608 of creating vectors from scalars according to dt.
609 (vect_model_store_cost): Likewise.
610 (vectorizable_call): Use dt array instead of scalar dt. Call
611 vect_model_simple_cost with additional argument dt.
612 (vectorizable_assignment): Likewise.
613 (vectorizable_operation): Likewise.
614 (vectorizable_type_demotion): Likewise.
615 (vectorizable_type_promotion): Likewise.
616 (vectorizable_store): Use dt array instead of scalar dt. Call
617 vect_model_store_cost with additional argument dt.
618 (vect_do_peeling_for_loop_bound): Don't call
619 vect_estimate_min_profitable_iters. Instead, lookup
620 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
621 "may not be profitable".
623 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
626 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
627 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
628 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
629 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
631 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
633 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
634 addressing modes cheaper.
636 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
638 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
639 (dw_ranges_struct): Rename block_num to num. Adjust.
640 (dw_ranges_by_label_struct): New.
641 (ranges_by_label, ranges_by_label_allocated,
642 ranges_by_label_in_use): New variables.
643 (add_ranges_num): Factored most of the code out of...
644 (add_ranges): ... this one. Rewrite in terms of the former.
645 (add_ranges_by_labels): New.
646 (output_ranges): Output by-label ranges.
647 (dwarf2out_finish): Output range for multiple-section
648 compile_unit. Output standard DW_AT_low_pc in addition to
649 unexpected DW_AT_entry_pc.
651 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
653 PR tree-optimization/32604
654 PR tree-optimization/32606
656 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
657 (compute_antic_safe): Removed.
658 (ANTIC_SAFE_LOADS): Ditto.
659 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
660 (execute_pre): Don't call compute_antic_safe.
661 (vuse_equiv): New function.
662 (make_values_for_stmt): Use it
663 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
666 2007-07-04 Anatoly Sokolov <aesok@post.ru>
669 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
671 (avr_attribute_table): Make "naked" attribute apply to function types
672 rather than to decls.
673 (avr_handle_fntype_attribute): New function.
675 2007-07-04 Joseph Myers <joseph@codesourcery.com>
677 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
680 2007-07-04 David Ung <davidu@mips.com>
681 Joseph Myers <joseph@codesourcery.com>
683 * config/mips/mips.md (type): Add logical, signext and move.
684 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
685 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
686 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
687 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
688 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
689 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
690 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
691 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
692 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
693 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
694 movv2sf_hardfloat_64bit): Use the new types.
695 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
696 *movdf_softfloat, *movdf_mips16): Use "multi".
697 (extendqihi2): Replace with a define_expand.
698 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
699 Based on extend<SHORT:mode><GPR:mode>2 patterns.
700 * config/mips/74k.md (r74k_int_logical): New reservation and
702 (r74k_int_arith): Remove "slt".
703 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
704 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
705 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
706 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
707 reservations for "arith".
709 2007-07-04 Richard Guenther <rguenther@suse.de>
711 * tree-ssa.c (useless_type_conversion_p): Add handling for
712 scalar float and vector types. Only call the types_compatible_p
713 langhook for aggregate types as last resort. Follow the
716 2007-07-04 Richard Guenther <rguenther@suse.de>
718 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
719 the same as NOP_EXPR.
721 2007-07-04 Nick Clifton <nickc@redhat.com>
723 * target.h (struct gcc_target): Add target_help field.
724 * target-def.h (TARGET_HELP): New.
725 (TARGET_INITIALIZER): Use TARGET_HELP.
726 * opts.c (command_handle_option): Invoke target_help function, if
727 defined, when the user has specified --target-help on the command
729 * doc/invoke.texi: Mention that --target-help might print
730 additional information.
731 * doc/tm.texi: Document TARGET_HELP hook.
733 * arm.c (TARGET_HELP): Override default definition.
734 (arm_target_help): New - display a wrapped list of cores and
735 architectures supported.
737 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
739 * config/gcc/v850/v850.c (expand_prologue): Make sure
740 GEN_INT() argument is sign extended rather than zero extended.
741 (expand_epilogue): Likewise.
742 (output_move_double): Delete.
743 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
744 * config/gcc/v850/v850.md (movdi): Delete.
745 (*movdi_internal): Delete.
747 (*movdf_internal): Delete.
749 2007-07-04 Richard Sandiford <richard@codesourcery.com>
751 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
752 unless compiling RTP PIC.
754 2007-07-04 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/32482
757 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
758 original ssa name if we didn't find a shift expression.
759 Fix shift constant for bit zero test.
761 2007-07-04 Richard Sandiford <richard@codesourcery.com>
763 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
765 2007-07-04 Richard Sandiford <richard@codesourcery.com>
767 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
768 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
769 * config/arm/vxworks.h (ASM_SPEC): Delete.
770 (SUBTARGET_EXTRA_ASM_SPEC): Define.
772 2007-07-04 Sebastian Pop <sebpop@gmail.com>
774 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
775 (DDR_REVERSED_P): New.
776 * tree-data-ref.c (initialize_data_dependence_relation,
777 build_classic_dist_vector): Set DDR_REVERSED_P.
779 2007-07-04 Sebastian Pop <sebpop@gmail.com>
782 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
783 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
784 init_omega_for_ddr_1): Use non conservative number of iterations
786 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
787 (analyze_siv_subscript): Remove FIXME and reinitialization of
788 last_conflicts to chrec_dont_know.
789 * testsuite/gfortran.dg/vect/pr32457.f90: New.
791 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
793 * tree.c (maybe_canonicalize_argtypes): Improve description.
795 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
797 * tree.c (maybe_canonicalize_argtypes): New.
798 (build_function_type): Set canonical type.
799 (build_method_type_directly): Ditto.
800 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
803 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
805 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
807 (rewrite_use_nonlinear_expr): Likewise.
809 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
811 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
813 2007-07-04 Ben Elliston <bje@au.ibm.com>
815 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
818 * c-objc-common.c (c_types_compatible_p): Fix indentation.
820 * doc/tm.texi (Run-time Target): Capitalise "CPU".
821 (Exception Handling): Likewise.
823 2007-07-03 Jan Hubicka <jh@suse.cz>
825 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
827 2007-07-03 Eric Christopher <echristo@apple.com>
829 * doc/cppopts.texi: Add conflicting option note to -dM.
830 * doc/invoke.texi: Add note about possible conflicts with
831 -E for -dCHARS and note that -dM will not produce
832 any results if there is no machine dependent reorg.
834 2007-07-03 Geoffrey Keating <geoffk@apple.com>
836 * tree.h (DECL_ALIGN): Back out previous change.
838 2007-07-03 Joseph Myers <joseph@codesourcery.com>
840 * configure.ac: Test for .dtprelword support on MIPS.
841 * configure, config.in: Regenerate.
842 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
843 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
845 2007-07-03 Julian Brown <julian@codesourcery.com>
847 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
848 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
849 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
850 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
852 (all_fpus): Add FPUTYPE_VFP3.
853 (fp_model_for_fpu): Add VFPv3 field.
854 (arm_rtx_costs_1): Give cost to VFPv3 constants.
855 (vfp3_const_double_index): New function. Return integer index of
856 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
858 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
859 and argument represents a valid RTX for a VFPv3 constant.
860 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
862 (vfp_emit_fstmd): Similar, for fstmd.
863 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
864 constants, represented as integer indices.
865 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
866 VFP_REGNO_OK_FOR_DOUBLE macros.
867 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
868 (arm_file_start): Set float-abi attribute for VFPv3, and output
869 correct ".fpu" assembler directive.
870 (arm_dbx_register_numbering): Add FIXME.
871 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
872 (fputype): Add FPUTYPE_VFP3.
873 (FIXED_REGISTERS): Add 32 registers for D16-D31.
874 (CALL_USED_REGISTERS): Likewise.
875 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
876 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
877 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
878 (D7_VFP_REGNUM): New.
879 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
880 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
881 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
882 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
883 (REG_ALLOC_ORDER): Adjust for VFPv3.
884 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
885 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
886 VFP_LO_REGS, VFP_HI_REGS.
887 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
888 (IS_VFP_CLASS): Define macro.
889 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
891 (REGISTER_MOVE_COST): Likewise.
892 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
893 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
894 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
895 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
896 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
897 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
898 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
899 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
900 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
901 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
902 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
903 where appropriate for single-word registers.
904 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
905 As above. Fix type attributes.
906 * config/arm/constraints.md (register_contraint "t"): Define.
907 (register_constraint "w"): Change to D0-D15, or D0-D31 for
909 (register_constraint "x"): Define.
910 (constraint "Dv"): Define.
912 2007-07-03 Geoffrey Keating <geoffk@apple.com>
914 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
916 2007-07-03 Tom Tromey <tromey@redhat.com>
918 * c-parser.c (objc_pq_context): Removed.
919 (objc_need_raw_identifier): Likewise.
920 (c_parser) <objc_pq_context>: New field.
921 <objc_need_raw_identifier>: Likewise.
922 (OBJC_NEED_RAW_IDENTIFIER): Removed.
923 (c_lex_one_token): Update.
924 (c_parser_objc_protocol_definition): Update.
925 (c_parser_objc_method_definition): Update.
926 (c_parser_objc_methodproto): Update.
927 (c_parser_declspecs): Update.
929 2007-07-03 David Ung <davidu@mips.com>
931 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
933 2007-07-03 David Ung <davidu@mips.com>
934 Richard Sandiford <richard@codesourcery.com>
936 * doc/invoke.texi: Document -march=74kf3_2.
937 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
938 (TUNE_74K): Check for it.
939 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
940 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
941 * config/mips/mips.md (cpu): Add 74kf3_2.
942 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
943 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
944 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
945 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
946 74kf3_2 to the CPU list.
947 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
948 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
949 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
950 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
951 (r74kf3_2_fxfer_from_c1): New insn reservations.
953 2007-07-03 Richard Sandiford <richard@codesourcery.com>
954 David Ung <davidu@mips.com>
956 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
957 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
958 and 74k[fx]. Document aliases for the new options.
959 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
960 (PROCESSOR_24KF2_1): ...this.
961 (PROCESSOR_24KX): Rename to...
962 (PROCESSOR_24KF1_1): ...this.
963 (PROCESSOR_74KF): Rename to...
964 (PROCESSOR_74KF2_1): ...this.
965 (PROCESSOR_74KX): Rename to...
966 (PROCESSOR_74KF1_1): ...this.
967 (TUNE_74K): Update PROCESSOR_* names.
968 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
969 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
970 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
971 (mips_rtx_cost_data): Update processor names in comments.
972 (mips_issue_rate): Update PROCESSOR_* names.
973 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
974 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
975 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
976 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
977 Update cpu attribute names.
978 (r24k_fpu_iss): Rename this reservation to...
979 (r24kf2_1_fpu_iss): ...this and update all uses.
980 (r24kx_fpu_iss): Rename this reservation to...
981 (r24kf1_1_fpu_iss): ...this and update all uses.
982 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
983 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
984 Update cpu attribute names.
986 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
988 * config/m32r/constraints.md: New file.
989 * config/m32r/m32r.c: Include tm-constrs.h.
990 (small_data_operand): Use satisfies_constraint_* instead of macro.
991 (addr24_operand, gen_compare): Likewise.
992 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
993 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
994 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
995 EXTRA_CONSTRAINT): Likewise.
996 * config/m32r/m32r.md: Include constraints.md.
997 (*movsi_insn): Use satisfies_constraint_* instead of macro.
998 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
999 * config/m32r/predicates.md (conditional_move_operand): Likewise.
1000 (two_insn_const_operand, int8_operand, uint16_operand,
1001 reg_or_int16_operand, reg_or_uint16_operand,
1002 reg_or_cmp_int16_operand, cmp_int16_operand,
1003 seth_add3_operand): Likewise.
1005 2007-07-03 Eric Christopher <echristo@gmail.com>
1007 * libgcc2.h: Conditionally declare __bswapsi2 and
1010 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
1012 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
1015 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1018 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
1019 (__gthrw_pragma): Provide default definition.
1021 * gthr-posix.c (__gthrw_pragma): Define.
1023 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
1025 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
1026 before declaring inequality.
1028 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
1030 * combine.c (recog_for_combine): Log the success or failure of
1031 matching new insn patterns against the machine description in
1034 2007-07-03 Revital Eres <eres@il.ibm.com>
1036 * ddg.c (print_sccs): New function.
1037 (check_sccs): New function.
1038 (create_ddg_all_sccs): Use it.
1039 * ddg.h (print_sccs): Declare.
1040 * modulo-sched.c (sms_order_nodes): Call print_sccs.
1042 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
1044 * targhooks.h (default_mode_for_suffix): New function declaration.
1045 * targhooks.c (default_mode_for_suffix): New default target hook.
1046 * target.h (struct c): New structure in the targetm struct.
1047 (mode_for_suffix): New target hook as part of struct c.
1048 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
1049 default_mode_for_suffix.
1050 (TARGET_C): New define.
1051 * c-lex.c: Include "target.h".
1052 (interpret_float): Use targetm.c.mode_for_suffix to determine
1053 the mode for a given non-standard suffix.
1054 Makefile.in (c-lex.o): Depend on $(TARGET_H).
1056 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
1057 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
1059 * doc/extend.texi (Floating Types): New node. Document __float80 and
1060 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
1062 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
1065 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
1066 predicate instead of target_operand.
1067 (divsi3_i1_media, divsi3_media_2): Likewise.
1069 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
1071 * tree.h (alias_sets_might_conflict_p): Rename into
1072 alias_sets_must_conflict_p.
1073 * alias.c (alias_sets_might_conflict_p): Likewise.
1074 (alias_sets_conflict_p): Use it.
1075 (objects_must_conflict_p): Likewise.
1076 * c-common.c (strict_aliasing_warning): Adjust.
1078 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1080 * rtlhooks.c (gen_lowpart_if_possible): Check for
1081 invalid subreg before calling gen_lowpart_SUBREG.
1083 2007-07-02 Geoffrey Keating <geoffk@apple.com>
1085 * config/darwin9.h: Add copyright notice.
1086 (LINK_COMMAND_SPEC): Add comment.
1087 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
1088 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
1089 DARWIN_LIBSYSTEM_HAS_UNWIND.
1091 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1094 * omp-low.c (check_combined_parallel): New function.
1095 (lower_omp_parallel): Call it via walk_stmts, set
1096 OMP_PARALLEL_COMBINED if appropriate.
1097 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
1098 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
1099 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
1100 don't consider it as combined parallel.
1102 2007-07-02 Richard Sandiford <richard@codesourcery.com>
1104 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1105 (gcc_tooldir): Likewise.
1106 * configure: Regenerate.
1107 * Makefile.in (libsubdir_to_prefix): New variable, based on the
1108 old configure.ac gcc_tooldir setting.
1109 (prefix_to_exec_prefix): New variable.
1110 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1111 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1113 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
1115 Fix PR tree-optimization/32583
1116 Fix PR tree-optimization/32584
1117 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
1118 (phi_translate_set): Use phi_translate directly now.
1119 (make_values_for_stmt): Don't value number RHS if we already know
1122 2007-07-02 Steve Ellcey <sje@cup.hp.com>
1123 Jim Wilson <wilson@specifix.com>
1126 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
1129 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
1130 Richard Sandiford <richard@codesourcery.com>
1131 Nigel Stephens <nigel@mips.com>
1133 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
1134 (mips16e_output_save_restore): Declare.
1135 (mips16e_save_restore_pattern_p): Likewise.
1136 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
1137 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
1138 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
1139 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
1140 (BITSET_P): New global macro, extracted from...
1141 (mips_for_each_saved_reg): ...here.
1142 (mips16e_save_restore_info): New struct.
1143 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
1144 (mips16e_save_restore_regs): New variable.
1145 (mips_split_plus, mips16e_find_first_register): New functions.
1146 (mips16e_mask_registers): New function.
1147 (compute_frame_size): Expand the commentary before the function.
1148 Enforce the MIPS16e save and restore register range restrictions.
1149 Pad the general register save area at the low end.
1150 (mips16e_save_restore_reg, mips16e_build_save_restore)
1151 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
1152 (mips16e_output_save_restore, mips16e_collect_propagate_value)
1153 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
1155 (mips_expand_prologue, mips_expand_epilogue): Handle
1156 GENERATE_MIPS16E_SAVE_RESTORE.
1157 * config/mips/mips.md (*mips16e_save_restore): New pattern.
1159 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
1161 PR tree-optimization/31966
1162 PR tree-optimization/32533
1163 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
1164 "basic_block" description as its third argument. Update function
1165 calls to get destination bb from "edge" argument. Save "cond" into
1166 aux field of the edge. Update prototype for changed arguments.
1167 (if_convertible_loop_p): Clear aux field of incoming edges if bb
1169 (find_phi_replacement_condition): Operate on incoming edges, not
1170 on predecessor blocks. If there is a condition saved in the
1171 incoming edge aux field, AND it with incoming bb predicate.
1172 Return source bb of the first edge.
1173 (clean_predicate_lists): Clean aux field of outgoing node edges.
1174 (tree_if_conversion): Do not initialize cond variable. Move
1175 variable declaration into the loop.
1176 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
1177 initializations of new_stmt, arg0 and arg1 variables.
1179 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1181 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
1182 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
1184 2007-07-02 Richard Guenther <rguenther@suse.de>
1186 * tree-ssa.c (useless_type_conversion_p): Document
1187 future intent as defining the middle-end type system.
1188 Re-structure to call langhook last, group by type class,
1189 mark questionable parts.
1191 2007-07-02 Richard Guenther <rguenther@suse.de>
1193 * tree-flow.h (types_compatible_p): Declare.
1194 * tree-ssa.c (types_compatible_p): New function.
1195 * ipa-type-escape.c (discover_unique_type): Use
1196 types_compatible_p instead of lang_hooks.types_compatible_p.
1197 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
1198 * tree-vn.c (expressions_equal_p): Likewise.
1199 * tree.c (fields_compatible_p): Likewise.
1200 * tree-ssa-dom.c (avail_expr_eq): Likewise.
1201 (cprop_operand): Use useless_type_conversion_p instead of
1202 lang_hooks.types_compatible_p.
1203 * tree-inline.c (setup_one_parameter): Likewise.
1204 (declare_return_variable): Likewise.
1205 * tree-nrv.c (tree_nrv): Likewise.
1206 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1207 (maybe_fold_offset_to_component_ref): Likewise.
1208 (maybe_fold_offset_to_reference): Likewise.
1209 * tree-ssa-copy.c (may_propagate_copy): Likewise.
1210 (merge_alias_info): Likewise.
1211 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
1212 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1213 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
1214 * tree-tailcall.c (find_tail_calls): Likewise.
1215 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
1216 * gimplify.c (canonicalize_addr_expr): Likewise.
1217 (fold_indirect_ref_rhs): Likewise.
1218 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
1219 (cpt_same_type): Likewise.
1220 (check_pointer_types_r): Swap parameters to cpt_same_type
1222 * fold-const.c (fold_convert): Revert fix for PR15988.
1223 * tree-inline.c (setup_one_parameter): Instead fix it here by
1224 using fold_build1 instead of fold_convert and checking for
1225 error_mark_node. Convert only if the conversion is necessary.
1227 2007-07-02 Joseph Myers <joseph@codesourcery.com>
1229 * configure.ac: Check for .gnu_attribute on Power.
1230 * configure: Regenerate.
1231 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
1232 attribute for floating-point ABI.
1234 2007-07-02 Ira Rosen <irar@il.ibm.com>
1236 PR tree-optimization/32230
1237 PR tree-optimization/32477
1238 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
1239 address is a constant.
1241 2007-07-02 Richard Sandiford <richard@codesourcery.com>
1243 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
1244 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
1245 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
1246 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
1247 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
1248 64-bit targets. Add support for *-elfoabi*.
1249 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
1250 different settings if $(tm_defines) does not select the EABI.
1251 (MULTILIB_EXCLUSIONS): Define in those circumstances.
1252 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
1253 (MIPS_ARCH_OPTION_SPEC): Likewise.
1254 (MIPS_ISA_LEVEL_SPEC): Likewise.
1255 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
1256 * config/mips/elfoabi.h: New file.
1258 2007-07-02 Richard Guenther <rguenther@suse.de>
1260 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
1261 (useless_type_conversion_p): ... this.
1262 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
1263 (useless_type_conversion_p): ... this.
1264 * builtins.c (fold_builtin_memory_op): Rename
1265 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
1266 * tree-cfg.c (verify_expr): Likewise.
1267 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
1268 * tree-ssa-ccp.c (ccp_fold): Likewise.
1269 * tree-ssa-copy.c (may_propagate_copy): Likewise.
1270 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
1271 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
1272 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
1273 * tree-ssa-pre.c (eliminate): Likewise.
1274 * tree-ssa.c (delete_tree_ssa): Likewise.
1275 (tree_ssa_useless_type_conversion): Likewise.
1276 * tree.c (build2_stat): Likewise.
1278 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
1280 Fix PR tree-optimization/32571
1281 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
1284 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
1286 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
1287 and other expected operations explicitly, change default to
1290 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
1292 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
1294 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
1295 (tls_load_dot_plus_eight): Move the label number into the unspec.
1296 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
1298 2007-07-01 Andreas Schwab <schwab@suse.de>
1300 * dwarf2out.c (initial_return_save): Define only if used.
1302 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
1304 Unreverting Richard's Revert of:
1306 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1308 * dce.c (deletable_insn_p_1): New function, split out from...
1309 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1310 specially, not those inside PARALLELs. Remove BODY argument
1311 and adjust recursive call accordingly.
1312 (prescan_insns_for_dce): Update call to delete_insn_p.
1314 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
1315 Revital Eres <eres@il.ibm.com>
1317 * ddg.c (create_ddg_all_sccs): Fix missed
1318 initialization of scc_nodes.
1320 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
1323 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
1324 X + ~X to 1 only for INTEGRAL_TYPE_P type.
1326 2007-06-30 Joseph Myers <joseph@codesourcery.com>
1328 * configure.ac: Check for .gnu_attribute on MIPS.
1329 * configure, config.in: Regenerate.
1330 * config/mips/mips.c (mips_file_start): If supported, output
1331 attribute for floating-point ABI.
1333 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
1337 (ffs_cmove): New expander to expand using ctz pattern.
1338 (*ffs_cmove): Remove pattern.
1339 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
1340 (ffsdi2): Expand using ctz pattern.
1341 (*ffs_rex64): Remove pattern.
1343 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1345 PR rtl-optimization/32296
1346 * pa.md (return): Delete pattern.
1347 (return_internal): Remove "(const_int 1)" from pattern.
1348 (epilogue): Use return_internal pattern for trivial returns.
1349 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
1350 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
1352 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1354 * tree-ssa-pre.c (is_exception_related): New function
1355 (can_value_number_operation): Use it.
1357 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
1359 Fix PR tree-optimization/32540
1360 Fix PR tree-optimization/31651
1362 * tree-ssa-sccvn.c: New file.
1364 * tree-ssa-sccvn.h: Ditto.
1366 * tree-vn.c: Include tree-ssa-sccvn.h
1367 (val_expr_paid_d): Removed.
1368 (value_table): Ditto.
1369 (vn_compute): Ditto.
1370 (val_expr_pair_hash): Ditto.
1371 (val_expr_pair_expr_eq): Ditto.
1372 (copy_vuses_from_stmt): Ditto.
1375 (shared_vuses_from_stmt): Ditto.
1376 (print_creation_to_file): Moved up.
1377 (sort_vuses): Ditto.
1378 (sort_vuses_heap): Ditto.
1379 (set_value_handle): Make non-static.
1380 (make_value_handle): Ditto.
1381 (vn_add): Rewritten to use sccvn lookups.
1382 (vn_add_with_vuses): Ditto.
1383 (vn_lookup): Ditto (and second argument removed).
1384 (vn_lookup_with_vuses): Ditto.
1385 (vn_lookup_or_add): Ditto (and second argument removed);
1386 (vn_lookup_or_add_with_vuses): Ditto.
1387 (vn_lookup_with_stmt): New.
1388 (vn_lookup_or_add_with_stmt): Ditto.
1389 (create_value_handle_for_expr): Ditto.
1391 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
1392 (seen_during_translate): New function.
1393 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
1394 (phi_trans_add): Ditto.
1395 (constant_expr_p): FIELD_DECL is always constant.
1396 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
1397 Use constant_expr_p.
1398 Avoid infinite recursion on mutually valued expressions.
1399 Change callers of vn_lookup_or_add.
1400 (phi_translate): New function.
1401 (compute_antic_safe): Allow phi nodes.
1402 (create_component_ref_by_pieces): Update for FIELD_DECL change.
1403 (find_or_generate_expression): Rewrite slightly.
1404 (create_expression_by_pieces): Updated for vn_lookup_or_add
1406 Update VN_INFO for new names.
1407 (insert_into_preds_of_block): Update for new names.
1408 (add_to_exp_gen): New function.
1409 (add_to_sets): Use vn_lookup_or_add_with_stmt.
1410 (find_existing_value_expr): Rewrite to changed vn_lookup.
1411 (create_value_expr_from): Ditto, and use add_to_exp_gen.
1412 (try_look_through_load): Removed.
1413 (try_combine_conversion): Ditto.
1414 (get_sccvn_value): New function.
1415 (make_values_for_phi): Ditto.
1416 (make_values_for_stmt): Ditto.
1417 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
1419 (init_pre): Update for SCCVN changes.
1421 (execute_pre): Ditto.
1423 * tree-flow.h (make_value_handle): Declare.
1424 (set_value_handle): Ditto.
1425 (sort_vuses_heap): Ditto.
1426 (vn_lookup_or_add_with_stmt): Ditto.
1427 (vn_lookup_with_stmt): Ditto.
1428 (vn_compute): Remove.
1431 (vn_lookup): Update arguments.
1433 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
1435 (tree-ssa-sccvn.o): New.
1436 (OBJS-common): Add tree-ssa-sccvn.o
1438 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1441 * c-typeck.c (build_external_ref): Don't mark as used if called
1443 * calls.c (rtx_for_function_call): Likewise.
1445 2007-06-30 Richard Sandiford <richard@codesourcery.com>
1449 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1451 * dce.c (deletable_insn_p_1): New function, split out from...
1452 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1453 specially, not those inside PARALLELs. Remove BODY argument
1454 and adjust recursive call accordingly.
1455 (prescan_insns_for_dce): Update call to delete_insn_p.
1457 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
1459 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
1460 (try_combine): Move potential calls to undo_all() so they happen
1461 before we commit to using the combined insns.
1463 2006-06-30 Jan Hubicka <jh@suse.cz>
1465 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
1468 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
1470 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
1471 (cgraph_remove_unreachable_nodes): Likewise.
1472 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
1473 * ipa-inline.c (update_caller_keys): Cast according to the coding
1475 (cgraph_decide_recursive_inlining): Likewise.
1476 (cgraph_decide_inlining_of_small_function): Likewise.
1477 (try_inline): Likewise.
1478 (cgraph_decide_inlining_incrementally): Likewise.
1479 * ipa-pure-const.c (get_function_state): Likewise.
1480 (scan_function): Likewise.
1481 (analyze_function): Likewise.
1482 (static_execute): Likewise.
1483 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
1484 (merge_callee_local_info): Likewise.
1485 (analyze_function): Use type safe memory macros.
1486 (static_execute): Likewise. Cast according to the coding conventions.
1487 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
1489 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
1491 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
1492 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
1495 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1498 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
1499 for complex modes (both int and real).
1501 2007-06-29 Jan Hubicka <jh@suse.cz>
1503 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
1505 2007-06-29 Jan Hubicka <jh@suse.cz>
1508 * cse.c (cse_insn): Avoid invalid sharing in between register note and
1511 2007-06-29 Anatoly Sokolov <aesok@post.ru>
1514 * config/avr/avr.c: Include dataflow header file.
1515 (expand_prologue): Adjust for prologue insn change.
1516 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
1519 2007-06-29 Richard Guenther <rguenther@suse.de>
1522 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
1523 during type verification.
1525 2007-06-29 Jan Hubicka <jh@suse.cz>
1527 * recog.c (validate_change_rtx_1): Unshare TO argument.
1529 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
1531 PR tree-optimization/24659
1532 * tree-vect-transform.c (vectorizable_call): Handle
1533 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1535 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
1536 * config/i386/i386.c (enum ix86_builtins)
1537 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
1538 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
1540 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
1541 const using def_builtin_const.
1542 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
1543 input operands in the same modes as the result.
1544 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
1546 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
1548 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
1549 (df_set_dead_notes_for_mw): Likewise.
1551 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
1553 * c-common.c (pointer_int_sum): Do the negation in sizetype.
1555 2007-06-28 DJ Delorie <dj@redhat.com>
1557 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
1559 2007-06-28 Geoffrey Keating <geoffk@apple.com>
1561 * doc/invoke.texi (C++ Dialect Options): Document
1562 fvisibility-ms-compat.
1563 * c.opt (fvisibility-ms-compat): New.
1565 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
1568 * tree-affine.c (aff_combination_add_elt): Handle
1569 pointer addition specially.
1571 2007-06-28 Jakub Jelinek <jakub@redhat.com>
1573 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
1574 decl is non-external for AIX ABI.
1576 2007-06-28 David Edelsohn <edelsohn@gnu.org>
1578 * config/rs6000/predicates.md (current_file_function_operand):
1579 Ensure the symbol is non-external for AIX ABI.
1581 2007-06-28 Nick Clifton <nickc@redhat.com>
1583 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
1584 (fdce, fdse, fpredictive-commoning): Likewise.
1586 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
1589 * gcc.c (process_command): Recognize the new -static-libgfortran
1592 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
1595 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
1596 Use a call clobbered hard reg instead of a pseudo reg.
1598 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1600 * config/sh/sh.md (load_gbr): Use correct operand constraint.
1602 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
1605 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
1606 REG_LIBCALL and REG_RETVAL notes.
1607 (divsi3, mulsi3): Likewise.
1608 (mulhisi3): Likewise. Use emit_libcall_block.
1609 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
1611 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
1613 PR rtl-optimization/32481
1614 * combine.c (adjust_for_new_dest): Rescan the changed insn.
1616 2007-06-27 Richard Sandiford <richard@codesourcery.com>
1618 * dce.c (deletable_insn_p_1): New function, split out from...
1619 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
1620 specially, not those inside PARALLELs. Remove BODY argument
1621 and adjust recursive call accordingly.
1622 (prescan_insns_for_dce): Update call to delete_insn_p.
1624 2007-06-27 Richard Guenther <rguenther@suse.de>
1627 * tree.h (fold_convertible_p): Declare.
1628 * fold-const.c (fold_convertible_p): New function.
1629 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
1630 instead of lang_hooks.types_compatible_p.
1632 2007-06-26 Jan Hubicka <jh@suse.cz>
1634 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
1635 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
1636 early use validate_unshare_change.
1637 (reload_combine): Likewise.
1638 * recog.c (change_t): New field unshare.
1639 (validate_change_1): Rename from validate_change; add argument unshare.
1640 (validate_change): Turn into wrapper of validate_change_1; update
1641 prototype for bools.
1642 (validate_unshare_change): New.
1643 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
1644 calls of df_insn_rescan.
1645 * recog.h (validate_change): Replace ints by bools.
1646 (validate_unshare_change): Declare.
1648 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1650 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
1652 2007-06-26 Steve Ellcey <sje@cup.hp.com>
1654 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
1656 2007-06-25 Jan Hubicka <jh@suse.cz>
1658 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
1660 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
1661 cgraph_decide_inlining_incrementally): Move uninlinability checks to
1662 places other call site specific checks are performed.
1664 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
1667 * tree-vect-transform.c (vectorizable_operation): Convert
1668 POINTER_PLUS_EXPR over to PLUS_EXPR.
1670 2007-06-25 Chao-ying Fu <fu@mips.com>
1672 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
1673 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
1674 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
1675 Document GET_MODE_IBIT, and GET_MODE_FBIT.
1677 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
1678 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1679 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
1680 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
1681 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
1682 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
1683 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
1684 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
1685 ALL_FIXED_POINT_MODE_P): New define.
1686 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1688 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
1690 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
1691 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1692 MODE_VECTOR_UACCUM): New mode classes.
1694 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
1695 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
1696 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
1699 * genmodes.c (struct mode_data): Add ibit and fbit fields.
1700 (blank_mode): Initialize ibit and fbit.
1701 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
1702 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1704 (new_adjust): Change required_class to required_class_from and
1705 required_class_to for testing within a range.
1706 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
1707 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
1709 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
1710 (make_fixed_point_mode): New.
1711 (_ADD_ADJUST): Change C to C1 and C2.
1712 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
1713 use a range for machine classes.
1714 (ADJUST_IBIT, ADJUST_FBIT): New.
1715 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
1717 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
1718 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
1719 Emit adjustment for ibit and fbit.
1720 (emit_mode_ibit, emit_mode_fbit): New.
1721 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
1723 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
1725 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
1726 as the source of the set.
1728 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
1730 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
1731 FP_REGNO_P): Use IN_RANGE.
1732 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
1733 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
1734 (DATA_REG_P): Use DATA_REGNO_P.
1735 (FP_REG_P): Use FP_REGNO_P.
1736 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
1737 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
1738 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
1740 2007-06-24 Jan Hubicka <jh@suse.cz>
1743 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
1745 2007-06-24 Sebastian Pop <sebpop@gmail.com>
1748 * fold-const.c (fold_binary): Strip nops of operand 0
1749 of BIT_NOT_EXPR before calling operand_equal_p.
1750 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
1751 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
1753 2007-06-23 Mark Mitchell <mark@codesourcery.com>
1755 * doc/extend.texi: Document that dllimport and dllexport imply
1757 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
1758 imported or exported declaration, including type declarations.
1759 * c-common.c (handle_visibility_attribute): Check for conflicts
1760 with dllimport/dllexport.
1761 (c_determine_visibility): Handle dllimport/dllexport as an
1762 explicit visibility atttribute.
1764 2007-06-23 Richard Guenther <rguenther@suse.de>
1766 PR tree-optimization/16876
1768 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
1770 * tree-inline.c (initialize_inlined_parameters): Do not call
1771 lang_hooks.tree_inlining.convert_parm_for_inlining.
1772 * cgraphbuild.c (initialize_inline_failed): Set inline failed
1773 reason for mismatched types.
1774 * gimplify.c (gimplify_call_expr): Verify the call expression
1775 arguments match the called function type signature. Otherwise
1776 mark the call expression to be not considered for inlining
1777 using CALL_CANNOT_INLINE_P flag.
1778 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
1779 edges call expression.
1780 (cgraph_decide_inlining_of_small_function): Likewise.
1781 (cgraph_decide_inlining): Likewise.
1782 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
1784 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
1785 * c-typeck.c (c_convert_parm_for_inlining): Remove.
1786 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
1788 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
1789 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
1791 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
1792 convert_parm_for_inlining member.
1794 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
1797 * arm.md (negscc): Match the correct operand for optimized LT0 test.
1798 Remove optimization for GT.
1800 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1803 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
1805 (prescan_insns_for_dce): Add extra parameter.
1807 2007-06-23 Jan Hubicka <jh@suse.cz>
1810 * gimplify.c (mark_addressable): New function.
1811 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
1813 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1816 * expr.c (store_constructor): Do not clobber non-zeroed memory.
1818 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1821 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
1822 moves between MMX/SSE registers to at least 8 units to prevent
1823 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
1825 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
1827 * config/i386/i386.c (override_options): Correct x86_sahf
1830 2007-06-21 David Daney <ddaney@avtrex.com>
1833 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
1834 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
1835 (exception_receiver): Renamed to ...
1836 (nonlocal_goto_receiver): ... this.
1838 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
1840 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
1841 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
1842 partial register accesses.
1844 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
1846 * fold-const.c (debug_fold_checksum): Move it under
1847 ENABLE_FOLD_CHECKING.
1849 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1852 * tree.h (debug_fold_checksum): Declared.
1853 * fold-const.c (build_fold_addr_expr_with_type_1): New.
1854 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
1855 build_fold_addr_expr_with_type_1.
1856 (fold_addr_expr, debug_fold_checksum): New.
1857 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
1858 (fold_unary, fold_comparison, split_address_to_core_and_offset):
1861 2007-06-21 Sebastian Pop <sebpop@gmail.com>
1863 PR tree-optimization/19590
1864 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
1865 of scev is a constant.
1866 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
1868 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
1870 * df-problems.c (df_note_bb_compute): Made computation of live
1871 info consistent with df_lr.
1873 2007-06-21 Richard Guenther <rguenther@suse.de>
1875 PR tree-optimization/32453
1876 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
1877 for pointer anti-range.
1879 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
1881 * config/i386/i386.c (processor_target_table): Increase maximum
1882 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
1885 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
1886 byte alignment if > 8 byte alignment is preferred.
1887 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
1889 2007-06-21 Jakub Jelinek <jakub@redhat.com>
1891 PR tree-optimization/31866
1892 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
1893 if ASM_EXPR's input is not a SSA_NAME.
1896 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
1897 but decl is a global var, instead return decl.
1898 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
1899 even for is_global_var decls, if they are private in some outer
1902 2007-06-21 Richard Guenther <rguenther@suse.de>
1904 PR tree-optimization/32451
1905 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
1907 2007-06-21 Christian Bruel <christian.bruel@st.com>
1909 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
1910 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
1911 (push_regs): Changed saving order or banked registers.
1912 (sh_expand_epilogue): Likewise.
1913 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
1914 (FIRST_BANKED_REG): Likewise.
1915 (LAST_BANKED_REG): Likewise.
1916 * config/sh/sh.md (banked) New attribute.
1917 (in_delay_slot): Check banked attribute.
1919 2007-06-20 Sebastian Pop <sebpop@gmail.com>
1921 PR tree-optimization/32075
1922 * tree-data-ref.c (subscript_dependence_tester_1,
1923 analyze_miv_subscript, analyze_overlapping_iterations,
1924 add_distance_for_zero_overlaps, build_classic_dist_vector,
1925 subscript_dependence_tester_1, analyze_overlapping_iterations,
1926 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
1927 compute_affine_dependence, compute_all_dependences): Pass loop_nest
1928 to evolution_function_is_affine_multivariate_p.
1930 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1932 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
1934 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
1937 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
1939 * config/m32c/prologue.md (epilogue_exitd_16): New.
1940 (epilogue_reit_16): New.
1941 (epilogue_exitd): Rename to epilogue_exitd_24.
1942 (epilogue_reit): Rename to epilogue_reit_24.
1944 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
1945 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1947 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
1949 * haifa-sched.c (queue_to_ready): Don't requeue next insn
1950 if dbg_cnt (sched_insn) reaches the limit.
1951 (choose_ready): New parameter INSN_PTR and new return value.
1952 (schedule_block): Handle dbg_cnt (sched_insn). Handle
1953 the new return value from choose_ready.
1954 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
1955 (rest_of_handle_global_alloc): New global_alloc_at_func.
1957 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
1959 PR tree-optimization/25737
1960 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
1961 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
1962 * tree-flow.h (struct fieldoff): Add new field alias_set.
1963 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
1964 argument addressable_type. Set alias_set of fieldoff.
1965 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
1966 (create_overlap_variables_for): Pass alias_set from fieldoff to
1968 * alias.c (get_alias_set): Use alias_set from SFT if set.
1970 2007-06-20 Hui-May Chang <hm.chang@apple.com>
1972 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
1973 of a variable as an unsigned HOST_WIDE_INT integer.
1975 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
1977 PR rtl-optimization/32405
1978 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
1980 2007-06-20 Jakub Jelinek <jakub@redhat.com>
1982 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
1985 * builtins.c: Include diagnostic.h.
1986 (expand_builtin_expect): Make gcc_assert more permissive.
1987 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
1990 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
1994 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
1995 if ACCUMULATE_OUTGOING_ARGS.
1997 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
1999 * config/m68hc11/m68hc11.c: Include dataflow header file.
2000 (m68hc11_reorg): Port to dataflow.
2002 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2004 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
2005 (struct df_problem.free_blocks_on_set_blocks): New field.
2006 (struct dataflow.optional_p): New field.
2007 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2008 (df_live_set_all_dirty): New function.
2009 * df-scan.c (df_scan_alloc): Initialize optional_p.
2010 (problem_SCAN): Initialize free_blocks_on_set_blocks.
2011 * df-core.c (df_set_blocks): Removed use of
2012 DF_FIRST_OPTIONAL_PROBLEM. Now uses
2013 df_problem.free_blocks_on_set_blocks to determine which blocks are
2015 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
2016 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
2017 uses dataflow.optional_p to determine if problem should be
2019 (rest_of_handle_df_initialize): Only start live problem if
2021 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2022 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
2023 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
2024 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
2025 problem_NOTE): Initialize free_blocks_on_set_blocks.
2026 (df_lr_bb_local_compute): Recompute luids if df_live problem is
2028 (df_live_set_all_dirty, df_note_alloc): New function.
2029 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
2031 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
2032 * postreload.c (reload_combine): Ditto.
2033 * cse.c (cse_extended_basic_block): Ditto.
2034 * regmove.c (mark_flags_life_zones): Ditto.
2035 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
2036 erase_matching_seqs): Ditto.
2037 * bt-load.c (compute_defs_uses_and_gen): Ditto.
2038 * integrate (allocate_initial_values): Ditto.
2039 * combine.c (reg_dead_at_p): Ditto.
2040 * resource.c (mark_target_live_regs): Ditto.
2041 * sched-rgn.c (check_live_1, update_live_1): Ditto.
2042 * config/sh/sh.c (find_r0_life_regions): Ditto.
2043 * global.c (rest_of_handle_global_alloc): Only add back df_live
2045 * local-alloc.c (rest_of_handle_local_alloc): Only remove
2047 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
2049 (if_convert): Make sure df_live is there at -O == 1.
2050 (pass_if_after_combine): Cleanup flags.
2051 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
2052 is there at -O == 1.
2054 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
2056 * config/arm/arm.c (arm_get_frame_offsets): Set
2057 offsets->locals_base to avoid negative stack size.
2058 (thumb1_expand_prologue): Assert on negative stack size.
2060 2007-04-19 Sebastian Pop <sebpop@gmail.com>
2062 PR tree-optimization/32367
2063 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
2064 of the chrec has no evolution in that loop.
2065 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
2067 2007-06-19 Bob Wilson <bob.wilson@acm.org>
2069 * config/xtensa/xtensa.c: Include "df.h".
2070 (xtensa_builtin_saveregs): Use adjust_address instead of
2072 (xtensa_va_start): Invoke make_tree with sizetype for
2073 expand_builtin_saveregs and then convert the result to a pointer.
2074 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
2075 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
2076 Subtract argument size from index value as integers and then use
2077 POINTER_PLUS_EXPR to add the result to the array address.
2079 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2082 * config/m32c/m32c.c: Include dataflow header file.
2083 (m32c_emit_prologue): Adjust for prologue insn change.
2084 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
2085 once inside a PARALLEL. Assume frame size passed in operand 0
2086 includes space to save the fb register.
2087 (prologue_enter_24): Likewise.
2088 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
2090 2007-06-19 David Daney <ddaney@avtrex.com
2093 * config/mips/mips.md (cprestore): Mark $gp as used.
2095 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2098 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
2099 (frv_ifcvt_modify_insn): Likewise.
2101 2007-06-19 Richard Guenther <rguenther@suse.de>
2103 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
2104 only handle positive offsets that fit in a HOST_WIDE_INT.
2106 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
2108 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
2109 result of rsqrt insn for zero input argument to avoid NaN.
2111 2007-06-19 Richard Guenther <rguenther@suse.de>
2114 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
2116 2007-06-19 Jakub Jelinek <jakub@redhat.com>
2118 PR tree-optimization/32353
2119 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
2121 2007-06-19 Nick Clifton <nickc@redhat.com>
2123 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
2125 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2128 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
2129 * config/i386/i386.c (assign_386_stack_local): Assert that
2130 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
2131 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
2132 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
2133 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
2135 2007-06-18 Steve Ellcey <sje@cup.hp.com>
2137 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
2139 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
2141 PR rtl-optimization/32321
2142 * gcse.c (replace_store_insn): Update the note before
2143 calling emit_insn_after.
2145 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
2148 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
2150 * df-problems.c (df_note_bb_compute): Fix dumping info.
2152 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
2154 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
2155 insn with emit_jump_insn.
2157 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2159 PR tree-optimization/32383
2160 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
2161 * targhooks.h (default_builtin_reciprocal): Update prototype.
2162 * target.h (struct gcc_target): Update builtin_reciprocal.
2163 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
2164 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
2165 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
2166 when fndecl is in BUILT_IN_MD class.
2167 (execute_convert_to_rsqrt): Ditto.
2169 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
2170 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
2171 Convert BUILT_IN_SQRTF code only when md_fn is false.
2173 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
2175 * bt-load.c (move_btr_def): Fix the order of arguments
2176 to validate_replace_rtx.
2178 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
2180 * config/m68k/m68k-devices.def: Add 54450..54455.
2182 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
2184 PR rtl-optimization/32366
2185 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
2186 FLOAT_EXTEND]: Prevent non-scalar modes from entering
2189 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
2192 * modulo-sched (generate_reg_moves): Added rescan parameter and if
2193 this is true, rescan insn being modified.
2194 (sms_schedule): Added rescan parameter.
2195 (rest_of_handle_sms): Moved freeing of dominance info to before
2196 getting out of cfg_layout.
2198 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
2200 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
2201 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
2204 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
2205 FL_CF_EMAC from the entry for isac.
2207 * config/m68k/predicates.md (const_call_operand): Adjust comment.
2208 (const_sibcall_operand): New.
2209 (sibcall_operand): Use it.
2210 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
2211 (m68k_isas): ISAC does not imply FPU or EMAC.
2212 (override_options): Add ISA_C logic for symbolic jump & call.
2214 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2216 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
2217 return mode from the builtin itself.
2218 (sparc_fold_builtin): Fix cast of zero constant.
2220 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
2222 * targhooks.c (default_builtin_reciprocal): New default target hook.
2223 * targhooks.h (default_builtin_reciprocal): Add prototype.
2224 * hooks.c (hook_tree_tree_bool_null): Remove hook.
2225 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
2226 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
2227 default_builtin_reciprocal.
2229 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
2232 * hooks.c (hook_tree_tree_bool_null): New hook.
2233 * hooks.h (hook_tree_tree_bool_null): Add prototype.
2234 * tree-pass.h (pass_convert_to_rsqrt): Declare.
2235 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
2236 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
2237 and convert it to reciprocal a*rfunc(b).
2238 (execute_convert_to_rsqrt): New function.
2239 (gate_convert_to_rsqrt): New function.
2240 (pass_convert_to_rsqrt): New pass definition.
2241 * target.h (struct gcc_target): Add builtin_reciprocal.
2242 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
2243 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
2244 TARGET_BUILTIN_RECIPROCAL.
2245 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
2247 * config/i386/i386.h (TARGET_RECIP): New define.
2248 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
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 (*rcpsf2_sse): New insn pattern.
2253 (*rsqrtsf2_sse): Ditto.
2254 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
2255 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2256 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2257 and not optimizing for size.
2258 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
2259 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2260 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2261 and not optimizing for size.
2262 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
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.
2266 (*sse_rsqrtv4sf2): Do not export.
2268 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
2269 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
2270 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
2271 and not optimizing for size.
2273 * config/i386/i386.opt (mrecip): New option.
2274 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
2275 (ix86_emit_swsqrtsf): Ditto.
2276 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
2277 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
2279 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
2280 ix86_expand_unop1_builtin.
2281 (ix86_emit_swdivsf): New function.
2282 (ix86_emit_swsqrtsf): Ditto.
2283 (ix86_builtin_reciprocal): New function.
2284 (TARGET_BUILTIN_RECIPROCAL): Use it.
2285 (ix86_vectorize_builtin_conversion): Rename from
2286 ix86_builtin_conversion.
2287 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
2288 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
2289 "i386 and x86_64 Options" section.
2290 (Intel 386 and AMD x86_64 Options): Document -mrecip.
2292 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
2293 Zdenek Dvorak <dvorakz@suse.cz>
2294 Richard Guenther <rguenther@suse.de>
2295 Kaz Kojima <kkojima@gcc.gnu.org>
2297 * tree-vrp.c (compare_values_warnv): Convert val2 to
2299 (extract_range_from_assert): Create
2300 POINTER_PLUS_EXPR for pointer types.
2301 (extract_range_from_binary_expr): Handle
2302 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
2304 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
2305 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
2306 POINTER_PLUS_EXPR as PLUS_EXPR.
2307 (number_of_iterations_lt_to_ne):
2308 For pointer types, use sizetype when
2309 creating MINUS_EXPR/PLUS_EXPRs.
2310 (assert_loop_rolls_lt): For pointer types, use sizetype when
2311 creating MINUS_EXPR/PLUS_EXPRs.
2312 (number_of_iterations_le): Likewise.
2313 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
2314 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
2315 like PLUS_EXPR and MINUS_EXPR.
2316 * tree-pretty-print.c (dump_generic_node): Handle
2318 (op_prio): Likewise.
2319 (op_symbol_1): Likewise.
2320 * optabs.c (optab_for_tree_code): Likewise.
2321 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
2323 * tree-tailcall.c (process_assignment): Mention
2324 POINTER_PLUS_EXPR in a TODO comment.
2325 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
2326 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
2327 not used with a pointer and an integer type.
2328 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
2329 increment using chrec_convert_rhs instead of chrec_convert.
2330 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
2331 PLUS_EXPR except for the right hand side's type will be
2333 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
2334 (fold_used_pointer_cast): Kill.
2335 (pointer_offset_p): Kill.
2336 (fold_used_pointer): Kill.
2337 (pointer_used_p): Kill.
2338 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
2339 call fold_used_pointer.
2340 (instantiate_parameters_1): Convert the increment
2341 using chrec_convert_rhs instead of chrec_convert.
2342 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
2343 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
2344 instead of PLUS_EXPR.
2345 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
2346 PLUS_EXPR for pointers.
2347 (std_gimplify_va_arg_expr): Likewise.
2348 (fold_builtin_memory_op): Likewise.
2349 (fold_builtin_strstr): Likewise.
2350 (fold_builtin_strchr): Likewise.
2351 (fold_builtin_strrchr): Likewise.
2352 (fold_builtin_strpbrk): Likewise.
2353 (expand_builtin_memory_chk): Likewise.
2354 (fold_builtin_memory_chk): Likewise.
2355 (std_expand_builtin_va_start): Use
2356 sizetype for the call to make_tree and then convert
2357 to the pointer type.
2358 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
2359 instead of PLUS_EXPR for adding to a pointer.
2360 (std_gimplify_va_arg_expr): Use fold_build2 for
2361 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
2362 the operands to sizetype first and then cast the BIT_AND_EXPR
2363 back to the pointer type.
2364 * fold-const.c (build_range_check): Handle pointer types
2366 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
2367 of PLUS_EXPR's. Make sure the offset is converted to
2369 (try_move_mult_to_index): Strip the NOPs from the offset.
2370 Remove code argument and replace all uses with PLUS_EXPR.
2371 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
2372 specially. Don't use a pointer type for MINUS_EXPR.
2373 (fold_unary): Handle for (T1)(X op Y),
2374 only p+ as that is the only as that can be handled for
2375 binary operators now.
2376 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
2378 <case PLUS_EXPR>: Add folding of PTR+INT into
2380 Don't call try_move_mult_to_index.
2381 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
2382 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
2383 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
2384 Don't call try_move_mult_to_index.
2385 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
2386 (tree_expr_nonzero_p): Likewise.
2387 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
2388 of PLUS_EXPR for the complex expression folding.
2389 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
2390 first chrec is a pointer type, then the second should
2391 be sizetype and not the first's type.
2392 For POINTER_PLUS_EXPR, use a different right hand side type.
2393 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2394 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
2395 different right hand side type.
2396 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2397 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
2398 instead of PLUS_EXPR.
2399 When either operand is zero, convert the other operand.
2400 (chrec_apply): Use chrec_convert_rhs
2401 on the argument x instead of chrec_convert.
2402 (reset_evolution_in_loop): For pointer types, the new_evol
2404 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
2405 different right hand side type.
2406 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2407 (chrec_convert_rhs): New function.
2408 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
2409 different right hand side type.
2410 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
2411 * tree-chrec.h (chrec_convert_rhs): New prototype.
2412 (build_polynomial_chrec): For pointer types, the right hand
2413 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
2414 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
2415 Remove subtraction case as it is always addition now.
2416 Make sure the offset is converted to sizetype.
2417 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
2418 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
2419 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
2420 PLUS_EXPR in pointer type.
2421 Handle POINTER_PLUS_EXPR.
2422 (tree_to_aff_combination): Likewise.
2423 (force_expr_to_var_cost): Likewise.
2424 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
2425 instead of PLUS_EXPR for pointers.
2426 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
2427 instead of PLUS_EXPR of pointer types.
2428 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
2430 (check_va_list_escapes): Likewise.
2431 (check_all_va_list_escapes): Likewise.
2432 * dwarf2out.c (loc_descriptor_from_tree_1):
2433 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
2434 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
2435 (string_constant): Likewise.
2436 * tree-ssa-address.c (tree_mem_ref_addr): When adding
2437 the offset to the base, use POINTER_PLUS_EXPR.
2438 (add_to_parts): Convert the index to sizetype.
2439 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
2440 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
2441 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
2442 Offset only holds something for PLUS_EXPR.
2443 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
2445 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
2447 (analyze_accesses_for_modify_stmt): Likewise.
2448 Remove comment about the type being integral type as it is
2450 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
2452 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
2454 Correct the type which the artimentic is done in (is now
2457 * tree-data-ref.c (split_constant_offset): Handle
2459 * tree-affine.c (tree_to_aff_combination): Likewise.
2460 * c-typeck.c (build_unary_op): For pointers create the increment
2461 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
2463 * gimplify.c (gimplify_self_mod_expr): Create a
2464 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2465 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
2466 * tree.def (POINTER_PLUS_EXPR): New tree code.
2467 * tree-predcom.c (ref_at_iteration): If we have a pointer
2468 type do the multiplication in sizetype.
2469 * tree-mudflap.c (mf_xform_derefs_1): Create a
2470 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2471 * tree-ssa-forwprop.c
2472 (forward_propagate_addr_into_variable_array_index):
2473 Don't expect there to be a cast for the index as that
2474 does not exist anymore.
2475 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
2476 instead of PLUS_EXPR.
2477 Don't check for the first operand of the POINTER_PLUS_EXPR
2478 was the index as it cannot be.
2479 Call forward_propagate_addr_into_variable_array_index with
2480 the SSA_NAME instead of the statement.
2481 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
2482 (compare_constant): Likewise.
2483 (copy_constant): Likewise.
2484 (compute_reloc_for_constant): Likewise.
2485 (output_addressed_constants): Likewise.
2486 (initializer_constant_valid_p): Likewise.
2487 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
2488 Convert the MIN/MAX of the inner type to the outer
2489 type before comparing them.
2490 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
2491 POINTER_PLUS_EXPR instead of PLUS_EXPR.
2492 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
2493 of PLUS_EXPR for pointers.
2494 * tree-inline.c (estimate_num_insns_1): Handle
2496 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2497 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2498 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
2499 instead of PLUS_EXPR for the pointer increment statement.
2500 (vect_update_ivs_after_vectorizer): For pointer types, create
2501 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
2502 MULT_EXPR in sizetype.
2503 (vect_gen_niters_for_prolog_loop): Add a cast when creating
2505 * tree-object-size.c (plus_expr_object_size): Handle
2506 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
2507 code which is trying to figure out which side is a pointer and
2509 (check_for_plus_in_loops_1): Likewise.
2510 (check_for_plus_in_loops): Likewise.
2511 * c-common.c (pointer_int_sum): Create a
2512 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
2513 * tree-ssa-structalias.c (handle_ptr_arith): Handle
2514 only POINTER_PLUS_EXPR. Removing all the extra
2515 code which is trying to figure out which side is a pointer and
2517 * tree-cfg.c (verify_expr): Add extra checking for pointers and
2518 PLUS_EXPR and MINUS_EXPR.
2519 Also add checking to make sure the operands of POINTER_PLUS_EXPR
2521 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
2522 with make_tree, instead of a pointer type.
2523 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
2524 for pointers instead of PLUS_EXPR.
2525 (s390_gimplify_va_arg): Likewise.
2526 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
2527 instead of PLUS_EXPR when doing addition on pointer
2528 types. Use sizetype for the second operand.
2529 (spu_gimplify_va_arg_expr): Likewise.
2530 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
2531 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
2532 a pointer. Don't create a BIT_AND_EXPR for pointer types.
2533 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
2534 for the pointer addition and also use size_int/sizetype
2536 (ix86_gimplify_va_arg): Likewise.
2537 Perform BIT_AND_EXPR on sizetype arguments.
2538 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
2539 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
2540 for the pointer additions and also use size_int for the offsets.
2541 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
2542 additions and also use size_int for the offsets. Perform
2543 BIT_AND_EXPR on sizetype arguments.
2544 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
2545 POINTER_PLUS_EXPR for pointers and create the
2546 BIT_AND_EXPR in sizetype.
2547 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
2548 instead of PLUS_EXPR for pointer addition.
2549 (rs6000_va_start): Likewise.
2550 Also use sizetype for the offset.
2551 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
2552 as PLUS_EXPR/MINUS_EXPR.
2553 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
2554 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
2555 Don't use BIT_AND_EXPR on a pointer type, convert the
2556 expression to sizetype first.
2557 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
2559 (mips_gimplify_va_arg_expr): Likewise.
2560 Don't create BIT_AND_EXPR in a pointer type.
2562 2007-06-15 Eric Christopher <echristo@apple.com>
2564 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
2565 (x86_64-*-darwin*): Ditto.
2566 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
2569 2007-06-15 Matthew Wilcox <matthew@wil.cx>
2571 * doc/extend.texi: Document behavior of __attribute__((aligned))
2574 2007-06-15 Mark Mitchell <mark@codesourcery.com>
2576 * rtlanal.c (note_stores): Improve documentation.
2578 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
2580 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
2581 LOCAL_LABEL_PREFIX): Delete.
2582 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
2583 (bfin_internal_label): Delete.
2585 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
2587 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
2588 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
2589 otherwise define to LIBGCC2_TF_CEXT.
2590 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
2591 (LIBGCC_TF_CEXT): Ditto.
2594 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
2596 PR rtl-optimization/32339
2597 * df-scan.c (df_uses_record): Don't modify flags but just add to
2598 it for df_ref_record.
2600 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2602 * tree-mudflap.c: Fix whitespace issues.
2604 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
2606 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
2608 2007-06-14 Eric Christopher <echristo@apple.com>
2610 * config/i386/sse.md (movdi_to_sse): Rewrite body.
2611 (movv4sf): Use gcc_unreachable instead of abort.
2613 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2616 * config/i386/sfp-machine.h (CMPtype): New define.
2617 (mach stubs): Use CMPtype instead of int as a return type.
2619 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
2621 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
2622 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
2623 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
2624 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
2625 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
2626 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
2627 config/soft-fp/soft-fp.h: Update from glibc CVS.
2629 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
2631 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
2633 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
2636 * config/v850/v850.c: Include dataflow header file.
2637 (substitute_ep_register): Fix typo.
2639 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2641 * configure.ac: Fix earlier checkin.
2642 * configure: Regenerated.
2644 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2646 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
2647 * aclocal.m4: Regenerate.
2648 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
2649 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
2650 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
2651 * configure: Regenerate.
2652 * Makefile.in (LOOSE_WARN): Subst loose_warn.
2654 * Makefile.in (quickstrap): Build libgcc too.
2656 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
2658 * configure.ac: Add --enable-checking=df. Explicitly mention that
2659 the variables are initialized as for "release".
2660 * df-core.c: Use it.
2661 * configure: Regenerate.
2662 * config.in: Regenerate.
2664 2007-06-14 Bob Wilson <bob.wilson@acm.org>
2666 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
2667 validate_replace_rtx instead of replace_rtx.
2668 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
2670 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
2672 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
2673 (DWARF2_UNWIND_INFO): Override default if configured with
2675 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
2676 (ENDFILE_SPEC): Add crtend.o.
2677 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
2678 (ENDFILE_SPEC): Add crtend.o.
2679 (TARGET_USE_JCR_SECTION): Define.
2680 (MD_UNWIND_SUPPORT): Define for 32-bit target.
2682 * config/i386/cygming-crtbegin.c: New file.
2683 * config/i386/cygming-crtend.c: New file.
2685 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
2687 * config/i386/w32-unwind.h: New file.
2689 2007-06-13 Eric Christopher <echristo@apple.com>
2691 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
2692 the user set a value below STACK_BOUNDARY.
2694 2007-06-13 Thiemo Seufer <ths@networkno.de>
2696 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
2697 imply -lpthread for -pthread.
2699 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2701 * basic-block.h: Remove the prototype for
2702 free_basic_block_vars.
2703 * cfglayout.h: Remove the prototype for
2704 insn_locators_initialize.
2705 * tree.h: Remove the prototype for emit_line_note.
2707 * tree-ssa-pre.c (mergephitemp): Remove.
2708 (init_pre): Don't use mergephitemp.
2710 2007-06-13 Eric Christopher <echristo@apple.com>
2712 * config/i386/i386.c (override_options): If we've specified
2713 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
2715 2007-06-13 Bob Wilson <bob.wilson@acm.org>
2717 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
2720 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2722 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
2723 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
2724 (eh_store_handler): New pattern.
2725 (eh_return): Emit it instead of a plain move.
2727 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
2729 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
2730 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
2731 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
2734 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
2736 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
2737 (find_next_insn_start, find_load): New functions.
2738 (bfin_reorg): Use them to deal with the fact that parallel insns are
2739 no longer represented as a SEQUENCE.
2741 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
2743 * config/sparc/sparc.c (sparc_override_options): Initialize
2746 2007-06-13 Dave Korn <dave.korn@artimi.com>
2748 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
2751 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
2753 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
2754 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
2755 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
2756 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
2757 tree-vect-transform.c: Fix comment typos. Follow spelling
2760 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2762 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
2763 to the exit block use set.
2764 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
2765 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
2766 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
2768 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
2770 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
2771 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
2772 to indicate an error.
2773 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
2775 (dbg_cnt_process_opt): Print an error on a bad argument.
2776 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
2777 * common.opt (-fdbg-cnt-list): New.
2778 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
2780 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
2782 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
2783 flag on ref-all pointers.
2785 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
2788 * expr.c (expand_expr_addr_expr_1): Call expand_expr
2789 for the offset with the modifier as EXPAND_INITIALIZER
2790 if the modifier is EXPAND_INITIALIZER.
2791 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
2792 a register if we had an overflow.
2794 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2796 * real.c (real_isfinite): New.
2797 (real_sqrt): Use it.
2798 * real.h (real_isfinite): New.
2799 * builtins.c: Use it.
2801 2007-06-12 Ian Lance Taylor <iant@google.com>
2802 Daniel Berlin <dberlin@dberlin.org>
2805 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
2806 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
2807 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
2808 (DECL_NO_TBAA_P): Define.
2809 (struct tree_decl_common): Add no_tbaa_flag field.
2810 * tree-ssa-structalias.c (struct variable_info): Add
2811 no_tbaa_pruning field.
2812 (new_var_info): Initialize no_tbaa_pruning field.
2813 (unify_nodes): Copy no_tbaa_pruning field.
2814 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2815 (dump_solution_for_var): Print no_tbaa_pruning flag.
2816 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
2818 (compute_tbaa_pruning): New static function.
2819 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
2820 Call compute_tbaa_pruning.
2821 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
2822 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
2823 * gimple-low.c (lower_stmt): Likewise.
2824 * tree-gimple.c (is_gimple_stmt): Likewise.
2825 * tree-ssa-operands.c (get_expr_operands): Likewise.
2826 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
2827 * tree-inline.c (estimate_num_insns_1): Likewise.
2828 (copy_result_decl_to_var): Likewise.
2829 * expr.c (expand_expr_real_1): Likewise.
2830 * tree-pretty-print.c (dump_generic_node): Likewise.
2831 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
2832 * omp-low.c (omp_copy_decl_2): Likewise.
2833 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
2834 * doc/c-tree.texi (Expression trees): Document
2835 CHANGE_DYNAMIC_TYPE_EXPR.
2837 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2839 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
2840 with !HONOR_NANS and !HONOR_INFINITIES.
2841 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
2843 2007-06-12 Tristan Gingold <gingold@adacore.com>
2845 * gcov.c: Comments updated.
2846 (source_info): Add file_time field.
2847 (source_index): New variable.
2848 (mutiple_files): New variable.
2849 (generate_results): New function extracted from process_file.
2850 (process_file): Save and restore chain of functions, generate
2851 results and free structures only if not merging results.
2852 (release_structures): File names are now freed in create_file_names
2853 (create_file_names): Free previous file names.
2854 (find_source): File date is now read here and modifications in
2855 source files is checked here.
2856 (read_graph_file): Only reverse order of functions for the current
2858 (make_gcov_file_name): Do not generate long names if input_name is
2860 (output_lines): If merging results do not display graph, data and
2862 Checking source file modification is done in find_source.
2864 * doc/gcov.texi: Append an s to sourcefile.
2866 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
2868 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
2869 (forced_nop): New pattern.
2870 * config/bfin/bfin.c: Include "df.h".
2871 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
2872 (bfin_discover_loop): Use df_get_live_in instead of
2873 global_live_at_start.
2874 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
2875 df_analyze when done.
2876 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
2877 the insns. Use QImode for the final insn in a bundle. Call
2878 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
2880 (reorder_var_tracking_notes): New function.
2881 (bfin_reorg): Pass no argument to split_all_insns. Don't call
2882 update_life_info. Call df_analyze after scheduling and bundle
2883 generation. Call reorder_var_tracking_notes if generating these
2884 notes. Call df_finish_pass at the end.
2886 2007-06-12 Dirk Mueller <dmueller@suse.de>
2888 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
2889 a comparison, not an assignment.
2891 2007-06-12 Olivier Hainque <hainque@adacore.com>
2893 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
2894 Request walking the subtrees only, leaving the current is_lhs/val_only
2896 (convert_non_local_reference): Likewise.
2898 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
2900 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
2902 2007-06-12 Richard Guenther <rguenther@suse.de>
2904 PR tree-optimization/15353
2905 PR tree-optimization/31657
2906 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
2907 * timevar.def: Add TV_TREE_IFCOMBINE.
2908 * tree-pass.h (pass_tree_ifcombine): Declare.
2909 * tree-ssa-ifcombine.c: New file.
2910 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
2911 * tree-flow.h (blocks_in_phiopt_order): Declare.
2912 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
2913 (tree-ssa-ifcombine.o): New dependencies.
2915 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2917 PR rtl-optimization/32293
2918 * combine.c (simplify_if_then_else): Truncate return from
2919 nonzero_bits() to correct mode.
2921 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
2923 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
2924 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
2926 2007-06-11 Diego Novillo <dnovillo@google.com>
2928 * Makefile.in (reload1.o-warn): Remove.
2930 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
2932 * combine.c (subst): Use reg_overlap_mentioned_p
2933 instead of comparing register numbers directly.
2935 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2937 * reload1.c (mark_home_live_1): Use the mode parameter.
2939 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
2941 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
2942 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
2946 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
2948 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
2950 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
2952 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
2953 from integer registers.
2954 (FP mode splitters): Handle TFmode.
2956 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
2958 * tree-ssa-structalias.c (find_what_p_points_to): Return false
2959 for ref-all pointers that point-to anything.
2961 2007-06-11 Joseph Myers <joseph@codesourcery.com>
2963 * config/arm/arm.c (arm_output_dwarf_dtprel,
2964 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
2966 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
2968 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
2969 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
2972 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
2974 * gcc/tree.c (signed_or_unsigned_type_for): New.
2975 (unsigned_type_for): Use signed_or_unsigned_type_for.
2976 (signed_type_for): Use signed_or_unsigned_type_for.
2977 * gcc/tree.h (signed_or_unsigned_type_for): New.
2978 (get_signed_or_unsigned_type): Remove.
2979 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
2980 lang_hooks.types.signed_type
2981 (size_diffop): Likewise.
2982 (all_ones_mask_p): Likewise.
2983 (build_range_check): Likewise.
2984 (fold_cond_expr_with_comparison): Likewise.
2985 (fold_cond_expr_with_comparison): Likewise.
2986 (unextend): Likewise.
2987 (extract_muldiv_1): Likewise.
2988 (fold_single_bit_test_into_sign_test): Likewise.
2989 (fold_binary): Likewise.
2990 (fold_ternary): Likewise.
2991 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
2992 instead of get_signed_or_unsigned_type.
2993 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
2994 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
2995 * gcc/expr.c (signed_or_unsigned_type_for): Use
2996 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
2997 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
2998 (lhd_signed_or_unsigned_type): Remove.
2999 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
3000 signed_or_unsigned_type.
3001 (lhd_signed_or_unsigned_type): Remove.
3002 * gcc/expmed.c (make_tree): Use signed_type_for instead of
3003 lang_hooks.types.signed_type.
3004 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
3005 c_common_signed_type instead of lang_hooks.types.signed_type.
3006 (c_common_unsigned_type): New.
3007 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
3008 (shorten_compare): Use c_common_unsigned_type instead of
3009 c_common_signed_or_unsigned_type.
3010 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
3012 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
3013 lang_hooks.types.signed_type.
3014 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
3015 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
3016 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
3017 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
3018 instead of unsigned_type_for.
3019 * gcc/c-decl.c (groakdeclarator): Likewise.
3020 * gcc/c-typeck.c (convert_for_assignment): Likewise.
3021 * gcc/c-common.h (c_common_unsigned_type): New.
3023 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3026 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
3027 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
3029 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3032 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
3033 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
3035 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
3036 Sebastian Pop <sebpop@gmail.com>
3038 * lambda-code.c (remove_iv): New.
3039 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
3041 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
3043 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
3044 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
3045 * tree-ssa-loop-prefetch.c: Include optabs.h.
3046 (FENCE_FOLLOWING_MOVNT): New macro.
3047 (struct mem_ref): Add independent_p and storent_p fields.
3048 (record_ref): Initalize the new fields.
3049 (gather_memory_references_ref): Return true if the reference
3051 (gather_memory_references): Check whether all memory accesses
3052 in loop were recorded.
3053 (should_issue_prefetch_p): Return false for nontemporal stores.
3054 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
3055 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
3056 (determine_loop_nest_reuse): Detect independent memory references.
3057 (loop_prefetch_arrays): Call mark_nontemporal_stores.
3058 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
3059 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
3060 * config/i386/i386.h (x86_mfence): Declare.
3061 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
3062 * config/i386/i386.c (x86_mfence): New variable.
3063 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
3065 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
3066 * optabs.c (init_optabs): Initialize storent_optab.
3067 * optabs.h (enum optab_index): Add OTI_storent.
3068 (storent_optab): Declare.
3069 * genopinit.c (optabs): Add initialization for storent_optab.
3070 * tree.h (MOVE_NONTEMPORAL): New macro.
3071 * expr.c (expand_assignment, store_expr, store_constructor_field,
3072 store_constructor, store_field, expand_expr_real_1): Propagate
3073 nontemporality of the expanded store.
3074 (emit_storent_insn): New function.
3075 * expr.h (expand_assignment, store_expr): Declaration changed.
3076 * function.c (assign_parm_setup_reg): Pass false as nontemporality
3077 to expand_assignment.
3078 * stmt.c (expand_asm_expr): Ditto.
3079 * calls.c (initialize_argument_information): Pass false as
3080 nontemporality to store_expr.
3081 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
3084 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3086 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
3088 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
3090 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3092 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
3093 and allow DECL_P here.
3095 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
3097 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
3098 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
3099 track of the size of the expression.
3100 * cfghooks.c (merge_blocks): Remove block from loops structure only
3101 after call of the merge_blocks hook.
3103 2007-06-09 Tom Tromey <tromey@redhat.com>
3105 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
3106 (deprecated_state): Removed.
3107 (start_decl): Update.
3108 (enum deprecated_states): Moved earlier.
3109 (groktypename): Update.
3110 (push_parm_decl): Likewise.
3111 (grokfield): Likewise.
3112 (start_function): Likewise.
3114 2007-06-09 Ian Lance Taylor <iant@google.com>
3116 PR tree-optimization/32169
3117 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
3118 CONVERT_EXPR, check whether min and max both converted to an
3119 overflow infinity representation.
3121 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
3123 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
3124 not inserted on the edge.
3126 2007-06-08 Bob Wilson <bob.wilson@acm.org>
3128 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
3129 instructions if they are supported.
3130 (__divsi3, __umodsi3, __modsi3): Likewise.
3131 (__ashldi3, __ashrdi3, __lshrdi3): New.
3132 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
3134 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
3135 Tony Linthicum <tony.linthicum@amd.com>
3137 * doc/invoke.texi: Add fvect-cost-model flag.
3138 * common.opt (fvect-cost-model): New flag.
3139 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
3140 cost fields in stmt_vec_info struct for STMT.
3141 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
3142 fields in stmt_vec_info struct and access functions for the same.
3143 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
3144 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
3145 load, store and vector to scalar operation.
3146 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
3147 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
3148 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
3149 (TARG_VEC_STORE_COST): Define cost of vector store.
3150 (vect_estimate_min_profitable_iters): Define new function.
3151 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
3152 check to evaluate if loop iterations are less than minimum profitable
3153 iterations determined by cost model or minimum vect loop bound defined
3154 by user, whichever is more conservative.
3155 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
3156 run-time check to evaluate if loop iterations are less than minimum
3157 profitable iterations determined by cost model or minimum vect loop
3158 bound defined by user, whichever is more conservative.
3159 (vect_estimate_min_profitable_iterations): New function to estimate
3160 mimimimum iterartions required for vector version of loop to be
3161 profitable over scalar version.
3162 (vect_model_reduction_cost): New function.
3163 (vect_model_induction_cost): New function.
3164 (vect_model_simple_cost): New function.
3165 (vect_cost_strided_group_size): New function.
3166 (vect_model_store_cost): New function.
3167 (vect_model_load_cost): New function.
3168 (vectorizable_reduction): Call vect_model_reduction_cost during
3170 (vectorizable_induction): Call vect_model_induction_cost during
3172 (vectorizable_load): Call vect_model_load_cost during analysis phase.
3173 (vectorizable_store): Call vect_model_store_cost during analysis phase.
3174 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
3175 vectorizable_promotion, vectorizable_demotion): Call
3176 vect_model_simple_cost during analysis phase.
3178 2007-06-08 Simon Baldwin <simonb@google.com>
3180 * reg-stack.c (get_true_reg): Readability change. Moved default case
3181 label into direct switch statement scope.
3183 2007-06-08 Simon Baldwin <simonb@google.com>
3185 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
3186 in gcc_assert() with '==' comparison.
3188 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3190 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
3191 TARGET_ABM handling of x86_popcnt variable.
3193 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3195 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
3196 __builtin_copysignq and __builtin_infq built-in functions.
3198 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3200 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
3201 SSE4.2 section. Correct built-in function names in SSE4A section.
3203 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3205 PR tree-optimization/32243
3206 * tree-vect-transform.c (vectorizable_type_promotion): Move check
3207 for ncopies after ratio check between nunits_out and nunits_in.
3208 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
3210 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
3212 PR tree-optimization/32224
3213 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
3214 vectorization upon a non GIMPLE_MODIFY_STMT.
3216 2007-06-08 Christian Bruel <christian.bruel@st.com>
3219 * config/sh/sh.md (doloop_end): New pattern and splitter.
3220 * loop-iv.c (simple_rhs_p): Check for hardware registers.
3222 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
3225 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
3227 (verify_dominators): Do not change dominance tree.
3229 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
3231 * config/sh/constraints.md: New file.
3232 * config/sh/sh.c: Include tm-constrs.h.
3233 (reg_class_from_letter): Remove.
3234 (prepare_cbranch_operands): Use satisfies_constraint_*
3235 function instead of macro.
3236 (andcosts, broken_move, sh_secondary_reload): Likewise.
3237 * config/sh/predicates.md (trapping_target_operand): Likewise.
3238 (and_operand, arith_operand, arith_reg_or_0_operand,
3239 cmp_operand, logical_operand, target_operand,
3240 ua_address_operand, ua_offset, xor_operand): Likewise.
3241 * config/sh/sh.md: Include constraints.md.
3242 (*movsicc_t_false): Use satisfies_constraint_* function
3244 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
3245 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
3246 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
3247 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
3248 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
3249 (REG_CLASS_FROM_CONSTRAINT): Remove.
3250 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
3251 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
3252 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
3253 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
3254 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
3255 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
3256 function instead of macro.
3257 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3258 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
3259 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
3260 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
3261 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
3262 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
3263 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
3264 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
3265 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
3266 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
3267 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
3268 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
3269 EXTRA_CONSTRAINT_STR): Likewise.
3270 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
3272 2007-06-07 Geoffrey Keating <geoffk@apple.com>
3274 * config/i386/darwin.h (STACK_BOUNDARY): Define.
3276 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
3279 * c-common.h (flag_cpp0x): Replaced by...
3280 (cxx_dialect): ... this new variable specifying the C++ dialect that
3282 * c-common.c (flag_cpp0x): Removed.
3283 (cxx_dialect): Defined.
3284 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
3286 * c-opts.c (c_common_post_options): Likewise.
3287 (set_std_cxx98): Set cxx_dialect to cxx98.
3288 (set_std_cxx0x): Set cxx_dialect to cxx0x.
3290 2007-06-07 Geoffrey Keating <geoffk@apple.com>
3291 Hui-May Chang <hm.chang@apple.com>
3293 * doc/invoke.texi (Darwin Options): Update documentation for
3294 -mmacosx-version-min.
3295 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
3296 * config/darwin-driver.c: New file.
3297 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
3298 * config/t-darwin (darwin-driver.o): New rule.
3300 * config/darwin-c.c (version_as_macro): Ignore low digit.
3302 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
3304 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
3305 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
3306 (CSGNMODE): New mode macro.
3307 (CSGNVMODE): New mode attribute.
3308 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
3309 expander using CSGNMODE mode macro. Handle TFmode.
3310 (copysign<mode>3_const): Rename from copysignsf3_const and
3311 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
3313 (copysign<mode>3_var): Rename from copysignsf3_var and
3314 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
3316 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
3317 mode macro. Handle TFmode.
3318 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
3319 (iortf3, *iortf3): Ditto.
3320 (xortf3, *xortf3): Ditto.
3321 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
3322 TFmode and TImode masks.
3323 (ix86_expand_copysign): Expand TFmode copysign insn.
3324 (IX86_BUILTIN_INFQ): New.
3325 (IX86_BUILTIN_FABSQ): Ditto.
3326 (IX86_BUILTIN_COPYSIGNQ): Ditto.
3327 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
3328 [__builtin_fabsq]: Ditto.
3329 [__builtin_copysignq]: Ditto.
3330 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
3331 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
3332 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
3333 ix86_expand_binop_builtin().
3335 2007-06-07 Bob Wilson <bob.wilson@acm.org>
3337 * config/xtensa/lib1funcs.asm: Clean up whitespace.
3339 2007-06-07 Steve Ellcey <sje@cup.hp.com>
3342 * rtl.h (push_to_sequence2): New.
3343 * emit-rtl.c (push_to_sequence2): New.
3344 * function.c (assign_parm_data_all): Add new fields.
3345 (assign_parm_setup_block): Call push_to_sequence2 instead of
3347 (assign_parm_setup_reg): Ditto.
3348 (assign_parm_setup_stack): Ditto.
3349 (assign_parms_unsplit_complex): Ditto.
3350 (assign_parms): Change field name.
3352 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3354 PR tree-optimization/32220
3355 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
3356 phi node is reached before defining statement.
3358 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
3361 * tree-vect-transform.c (vectorizable_call): Call update_stmt
3362 after changing the right hand side of the assignment.
3364 2007-06-06 Eric Christopher <echristo@apple.com>
3366 * config.gcc (i?86-*-darwin*): Remove arch parameter.
3367 (x86_64-*-darwin*): Ditto.
3368 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
3369 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
3371 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3373 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
3375 (add_key): Likewise.
3376 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
3377 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
3379 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
3381 (add_cost_one_coalesce): Likewise.
3382 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
3383 variable names. Rename orig to orig_name for consistency.
3384 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
3386 (cprop_into_successor_phis): Avoid using C++ keywords as variable
3388 (record_equivalences_from_stmt): Likewise.
3389 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
3390 the coding conventions.
3391 (memory_ssa_name_same): Likewise.
3392 (dse_optimize_stmt): Likewise.
3393 (dse_record_phis): Likewise.
3394 (dse_finalize_block): Likewise.
3395 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
3396 keywords as variable names.
3397 (may_move_till): Cast according to the coding conventions.
3398 (force_move_till_expr): Avoid using C++ keywords as variable names.
3399 (force_move_till): Cast according to the coding conventions.
3400 (memref_hash): Likewise.
3401 (memref_eq): Likewise.
3402 (gather_mem_refs_stmt): Likewise.
3403 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
3404 using C++ keywords as variable names.
3405 (idx_find_step): Cast according to the coding conventions.
3406 (idx_record_use): Likewise.
3407 (find_depends): Likewise.
3408 (prepare_decl_rtl): Likewise.
3409 (mbc_entry_hash): Likewise.
3410 (mbc_entry_eq): Likewise.
3411 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
3412 (simplify_replace_tree): Avoid using C++ keywords as variable names.
3413 (idx_infer_loop_bounds): Cast according to the coding conventions.
3414 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
3415 * tree-ssa-math-opts.c (occ_new ): Likwise.
3416 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
3418 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
3420 (add_use_op): Likewise.
3421 (add_vop): Likewise.
3422 (add_vuse_op): Likewise.
3423 (add_vdef_op): Likewise.
3424 (get_expr_operands): Likewise.
3425 (push_stmt_changes): Use type safe memory macros.
3426 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
3427 keywords as variable names.
3428 (conditional_replacement): Likewise.
3429 (minmax_replacement): Likewise.
3430 (abs_replacement): Likewise.
3431 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
3433 (insert_fake_stores): Avoid using C++ keywords as variable names.
3434 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
3436 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
3437 (heapvar_insert): Use type safe memory macros.
3438 (new_var_info): Cast according to the coding conventions.
3439 (new_constraint): Likewise.
3440 (remove_preds_and_fake_succs): Use type safe memory macros.
3441 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
3443 (thread_single_edge): Likewise.
3444 (thread_through_loop_header): Likewise.
3446 2007-06-06 Eric Christopher <echristo@apple.com>
3448 * config/i386/i386.c (override_options): Move handling
3449 of TARGET_SUBTARGET* earlier.
3451 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
3453 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
3456 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
3458 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
3459 emited outside of basic block.
3460 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
3462 * rtl.h (delete_insn_chain): Declaration changed.
3463 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
3465 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
3466 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
3467 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
3468 to delete_insn_chain.
3469 (rtl_verify_flow_info_1): Verify that the insns in header and footer
3470 do not have bb field set.
3471 (rtl_verify_flow_info): Verify that insns between basic blocks do not
3473 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
3474 * cfgcleanup.c (try_optimize_cfg): Ditto.
3476 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3478 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
3479 (lambda_body_vector_new): Use type safe memory macros.
3480 (lambda_linear_expression_new): Likewise.
3481 (lambda_loopnest_new): Likewise.
3482 (lambda_lattice_new): Likewise.
3483 (replace_uses_equiv_to_x_with_y): Cast according to the coding
3484 conventions. Use type safe memory macros.
3485 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
3486 (lambda_body_vector_s): Likewise.
3487 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
3488 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
3490 2007-06-06 Richard Guenther <rguenther@suse.de>
3492 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
3493 if we need to schedule cfg_cleanup.
3494 (tree_ssa_forward_propagate_single_use_vars): Do so.
3496 2007-06-06 Ian Lance Taylor <iant@google.com>
3498 * fold-const.c (merge_ranges): If range_successor or
3499 range_predecessor fail, just return 0.
3501 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3503 PR tree-optimization/32216
3504 * tree-vectorizer.c (supportable_widening_operation): Determine
3505 signedness of FIX_TRUNC_EXPR from output operand.
3506 (supportable_narrowing_operation): Ditto.
3507 * tree-vect-generic.c (expand_vector_operations_1): Determine
3508 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
3511 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
3513 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
3514 (struct pta): ...from here. Change flags to unsigned to avoid
3515 excessive casting (as it is used as a bit mask).
3516 (override_options): Add casts according to the coding convenventions.
3517 (x86_64_elf_unique_section): Likewise.
3518 (examine_argument): Avoid using C++ keywords as variable names.
3519 (construct_container): Likewise.
3520 (legitimize_pic_address): Likewise.
3521 (get_dllimport_decl): Cast according to the coding conventions. Use
3522 type safe memory macros.
3523 (legitimize_address): Cast according to the coding conventions.
3524 (emit_i387_cw_initialization): Corrected the type of slot to enum
3526 (ix86_init_machine_status): Use type safe memory macros.
3527 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
3528 (bdesc_pcmpistr): Likewise.
3529 (bdesc_crc32): Likewise.
3530 (bdesc_sse_3arg): Likewise.
3531 (bdesc_2arg): Likewise.
3532 (bdesc_1arg): Likewise.
3533 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
3534 (ix86_expand_sse_pcmpistr): Likewise.
3535 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
3536 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
3537 int to match the langhook definition.
3538 (ix86_builtin_conversion): Change the type of code to unsigned init to
3539 match the langhook definition.
3540 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
3542 (ix86_preferred_output_reload_class): Likewise.
3543 (ix86_cannot_change_mode_class): Likewise.
3544 (ix86_memory_move_cost): Likewise.
3545 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
3546 avoid excessive casting later on.
3547 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
3549 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3551 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
3552 as flags setting insn.
3553 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
3555 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
3557 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
3558 (UNSPEC_ROUND): New.
3559 ("sse4_1_round<mode>2"): New insn pattern.
3560 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
3562 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
3563 expander using SSEMODEF mode macro. Expand using
3564 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3565 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
3566 expander using SSEMODEF mode macro. Expand using
3567 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3568 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
3569 expander using SSEMODEF mode macro. Expand using
3570 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
3571 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
3572 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
3573 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
3576 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
3577 Sebastian Pop <sebpop@gmail.com>
3579 * lambda.h (build_linear_expr): New.
3580 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
3581 Use build_linear_expr, call fold and force_gimple_operand.
3582 (lambda_loopnest_to_gcc_loopnest): Check that there is
3583 something to insert.
3584 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
3586 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3588 PR preprocessor/23479
3589 * doc/extend.texi: Document the 0b-prefixed binary integer
3592 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3594 PR tree-optimization/32215
3595 * tree-vectorizer.c (supportable_widening_operation): Return false
3596 for unsupported FIX_TRUNC_EXPR tree code.
3597 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
3599 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
3601 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
3602 register on SPE targets. Change documentation to reflect
3604 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
3605 Change FIXED_SCRATCH to 14 and document why we're keeping r14
3606 out of the register allocation pool.
3607 (rs6000_reg_live_or_pic_offset_p): New function.
3608 (rs6000_emit_prologue): Move the actual saving of LR up to free
3609 r0 for holding r11. Split saving of SPE 64-bit registers into
3610 its own case. Ensure that offsets will always be in-range for
3611 'evstdd' by using r11 as a scratch register to point at the start
3612 of the SPE save area. Save r11 if necessary, as it is the static
3614 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
3615 into its own case. Ensure that offsets will always be in-range
3616 for 'evldd' by using r11 as a scratch register to point at the
3617 start of the SPE save area. Also adjust r11 when restoring
3618 the stack pointer to compensate for pre-loading r11.
3620 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
3622 * cfg.c (init_flow): Use type safe memory macros.
3623 (alloc_block): Likewise.
3624 (unchecked_make_edge): Likewise.
3625 (dump_flow_info): Avoid using C++ keywords as variable names.
3626 (copy_original_table_clear): Cast according to the coding conventions.
3627 (copy_original_table_set): Likewise.
3628 * cfgexpand (label_rtx_for_bb): Likewise.
3629 (expand_gimple_basic_block): Likewise.
3630 * cfghooks.c (dump_bb): Likewise.
3631 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
3633 (lv_add_condition_to_bb): Likewise.
3634 * cfglayout (relink_block_chain): Cast according to the coding
3636 (fixup_reorder_chain): Likewise.
3637 (fixup_fallthru_exit_predecessor): Likewise.
3638 * cfgloop.c (glb_enum_p): Likewise.
3639 (get_exit_description): Likewise.
3640 (dump_recorded_exit): Likewise.
3641 * cfgloop.h (enum loop_estimation): Move out of struct scope...
3642 (struct loop): ... from here.
3643 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
3645 * cfgrtl.c (rtl_create_basic_block): Likewise.
3646 (rtl_split_block): Likewise.
3647 (rtl_dump_bb): Likewise.
3648 (cfg_layout_split_block): Likewise.
3649 (init_rtl_bb_info): Use typesafe memory macros.
3651 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
3652 * graphds.h: Updated all usages of edge to graph_edge.
3653 * graphds.c: Likewise.
3654 * cfgloopanal.c: Likewise.
3656 2007-06-05 Ian Lance Taylor <iant@google.com>
3658 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
3659 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
3660 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
3662 (test_for_singularity): Likewise.
3664 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3666 * config/i386/constraints.md ("Y2"): Replaced by ...
3668 * config/i386/i386.md: Likewise.
3669 * config/i386/mmx.md: Likewise.
3670 * config/i386/sse.md: Likewise.
3672 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
3674 * config/i386/constraints.md ("z"): Replaced by ...
3676 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
3677 (sse4_1_blendvps): Likewise.
3678 (sse4_1_pblendvb): Likewise.
3679 (sse4_2_pcmpestr): Likewise.
3680 (sse4_2_pcmpestrm): Likewise.
3681 (sse4_2_pcmpestr_cconly): Likewise.
3682 (sse4_2_pcmpistr): Likewise.
3683 (sse4_2_pcmpistrm): Likewise.
3684 (sse4_2_pcmpistr_cconly): Likewise.
3686 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
3688 * matrix-reorg.c (transform_access_sites): Fix computation.
3689 (transform_allocation_sites): Same.
3691 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3693 * config/i386/i386.c (override_options): Use
3694 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
3696 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
3698 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
3699 (nonimm_not_xmm0_operand): Ditto.
3700 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
3701 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
3702 as operand[2] predicate. Require "z" class XMM register for
3703 operand[3]. Adjust asm template.
3704 ("sse4_1_blendvpd"): Ditto.
3705 ("sse4_1_pblendvb"): Ditto.
3706 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
3707 force op2 into xmm0 register for variable blend instructions.
3709 2007-06-04 Tom Tromey <tromey@redhat.com>
3711 * c-tree.h (start_enum): Update.
3712 (build_enumerator): Likewise.
3713 * c-decl.c (enum_next_value): Removed.
3714 (enum_overflow): Likewise.
3715 (start_enum): Add c_enum_contents argument. Don't use globals.
3716 (build_enumerator): Likewise.
3717 * c-tree.h (struct c_enum_contents): New struct.
3719 2007-06-04 Tom Tromey <tromey@redhat.com>
3721 * c-common.c (c_common_get_alias_set): Fix indentation.
3723 2007-06-04 Ian Lance Taylor <iant@google.com>
3725 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
3726 to overflow, reduce overflow infinity to regular infinity.
3727 (vrp_var_may_overflow): New static function.
3728 (vrp_visit_phi_node): Check vrp_var_may_overflow.
3730 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
3732 * stor-layout.c (layout_type): Remove duplicate code.
3734 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
3737 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
3738 before build_common_builtin_nodes ().
3740 2007-06-04 Steve Ellcey <sje@cup.hp.com>
3743 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
3745 2007-06-04 Jan Hubicka <jh@suse.cz>
3747 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
3748 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
3749 instead of _stat version.
3751 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3753 PR tree-optimization/32194
3754 * tree-predcom.c (determine_offset): Check that both references have
3757 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
3759 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
3760 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
3761 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
3762 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
3763 Add argument to iterate_fix_dominators call.
3764 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
3765 * gcse.c (hoist_code): Change domby to vector.
3766 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
3767 Add argument to iterate_fix_dominators call.
3768 * loop-doloop.c (doloop_modify): Changed recount_dominator to
3769 recompute_dominator.
3770 * lambda-code.c (perfect_nestify): Ditto.
3771 * cfgloopanal.c: Include graphds.h.
3772 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
3773 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
3774 (mark_irreducible_loops): Use graphds_scc. Remove argument from
3776 * graphds.c: New file.
3777 * graphds.h: New file.
3778 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
3779 (get_dominated_by, get_dominated_by_region): Change return type to
3781 (verify_dominators): Recompute all dominators and compare the results.
3782 (recount_dominator): Renamed to ...
3783 (recompute_dominator): ... this. Do not check that the block is
3785 (iterate_fix_dominators): Reimplemented.
3786 (prune_bbs_to_update_dominators, root_of_dom_tree,
3787 determine_dominators_for_sons): New functions.
3788 * et-forest.c (et_root): New function.
3789 * et-forest.h (et_root): Declare.
3790 * Makefile.in (graphds.o): Add.
3791 (cfgloopanal.o): Add graphds.h dependency.
3792 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
3793 * basic-block.h (get_dominated_by, get_dominated_by_region,
3794 iterate_fix_dominators): Declaration changed.
3795 (recount_dominator): Renamed to ...
3796 (recompute_dominator): ... this.
3797 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
3798 (thread_through_all_blocks): Do not free dominance info.
3800 2007-06-03 Andreas Schwab <schwab@suse.de>
3802 * config/m68k/m68k.c (override_options): Don't override
3804 * config/m68k/m68k-modes.def (SF, DF): Define to use
3805 motorola_single_format and motorola_double_format, resp.
3806 * real.c (motorola_single_format): Renamed from
3807 coldfire_single_format.
3808 (motorola_double_format): Renamed from coldfire_double_format.
3809 (encode_ieee_extended): Generate a proper canonical NaN image
3810 respecting canonical_nan_lsbs_set.
3811 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
3813 * real.h: Adjust declarations.
3815 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
3818 * config/sh/sh.md (symGOT_load): Don't schedule insns when
3819 the symbol is generated with the stack protector.
3821 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
3823 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
3824 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
3826 * doc/extend.texi (interrupt): Mention m68k.
3828 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
3830 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
3831 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
3832 (ix86_expand_sse_pcmpestr): Do not check operands for
3833 "register_operand", when insn operand predicate is "register_operand".
3834 (ix86_expand_sse_pcmpistr): Ditto.
3836 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
3837 Uros Bizjak <ubizjak@gmail.com>
3839 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
3840 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
3841 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
3842 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
3843 * config/i386/constraints.md ("z"): New register constraint
3844 for members of SSE_FIRST_REG class.
3845 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
3846 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
3847 SSE_FIRST_REG class.
3848 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
3849 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
3850 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
3851 (IX86_BUILTIN_PCMPESTRM128): Likewise.
3852 (IX86_BUILTIN_PCMPESTRA128): Likewise.
3853 (IX86_BUILTIN_PCMPESTRC128): Likewise.
3854 (IX86_BUILTIN_PCMPESTRO128): Likewise.
3855 (IX86_BUILTIN_PCMPESTRS128): Likewise.
3856 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
3857 (IX86_BUILTIN_PCMPISTRI128): Likewise.
3858 (IX86_BUILTIN_PCMPISTRM128): Likewise.
3859 (IX86_BUILTIN_PCMPISTRA128): Likewise.
3860 (IX86_BUILTIN_PCMPISTRC128): Likewise.
3861 (IX86_BUILTIN_PCMPISTRO128): Likewise.
3862 (IX86_BUILTIN_PCMPISTRS128): Likewise.
3863 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
3864 (struct builtin_description): Change "flag" field to unsigned.
3865 (bdesc_pcmpestr): New builtin description table.
3866 (bdesc_pcmpistr): Likewise.
3867 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
3868 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
3869 Initialize pcmp[ei]str[im] insns for SSE4.2.
3870 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
3871 (ix86_expand_sse_pcmpistr): Likewise.
3872 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
3873 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
3874 (UNSPEC_PCMPISTR): Likewise.
3875 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
3876 (sse4_2_pcmpestri):New isns pattern.
3877 (sse4_2_pcmpestrm): Likewise.
3878 (sse4_2_pcmpestr_cconly): Likewise.
3879 (sse4_2_pcmpistr): New insn patern and splitter.
3880 (sse4_2_pcmpistri):New isns pattern.
3881 (sse4_2_pcmpistrm): Likewise.
3882 (sse4_2_pcmpistr_cconly): Likewise.
3883 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
3886 2007-06-01 David Daney <ddaney@avtrex.com>
3888 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
3889 LOADGP_ABSOLUTE and not binds_local_p.
3891 2007-06-01 Geoffrey Keating <geoffk@apple.com>
3893 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
3895 2007-06-01 Ian Lance Taylor <iant@google.com>
3897 * tree-vrp.c (compare_name_with_value): Always set
3898 used_strict_overflow if we get a result from the variable itself.
3900 2007-06-01 Ian Lance Taylor <iant@google.com>
3902 PR rtl-optimization/31455
3903 * lower-subreg.c (find_decomposable_subregs): Don't decompose
3904 subregs which have a cast between modes which are not tieable.
3906 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
3908 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
3909 breaks after return statements.
3911 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
3913 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
3914 only after no_new_pseudos.
3916 2007-05-31 Eric Christopher <echristo@apple.com>
3918 * expr.c (convert_move): Assert that we don't have a BLKmode
3920 (store_expr): Handle BLKmode moves by calling emit_block_move.
3922 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
3924 * c-typeck.c (build_indirect_ref): Include type in error message.
3925 (build_binary_op): Pass types to binary_op_error.
3926 * c-common.c (binary_op_error): Take two type arguments, print out
3928 * c-common.h (binary_op_error): Update prototype.
3930 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3932 * config/i386/i386.c: Correct coments on -mno-sse4.
3934 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
3936 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
3937 (x86_64-*-*): Likewise.
3938 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
3939 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
3940 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
3941 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
3942 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
3943 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
3944 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
3945 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
3946 (OPTION_MASK_ISA_SSE4): Likewise.
3947 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
3948 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
3949 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
3950 (override_options): Support SSE4.2.
3951 (ix86_build_const_vector): Support SImode and DImode.
3952 (ix86_build_signbit_mask): Likewise.
3953 (ix86_expand_int_vcond): Support V2DImode.
3954 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
3955 (IX86_BUILTIN_CRC32HI): Likewise.
3956 (IX86_BUILTIN_CRC32SI): Likewise.
3957 (IX86_BUILTIN_CRC32DI): Likewise.
3958 (IX86_BUILTIN_PCMPGTQ): Likewise.
3959 (bdesc_crc32): Likewise.
3960 (bdesc_sse_3arg): Likewise.
3961 (ix86_expand_crc32): Likewise.
3962 (ix86_init_mmx_sse_builtins): Support SSE4.2.
3963 (ix86_expand_builtin): Likewise.
3964 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
3965 __SSE4_2__ for -msse4.2.
3966 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
3967 (CRC32MODE): Likewise.
3968 (crc32modesuffix): Likewise.
3969 (crc32modeconstraint): Likewise.
3970 (sse4_2_crc32<mode>): Likewise.
3971 (sse4_2_crc32di): Likewise.
3972 * config/i386/i386.opt (msse4.2): New for SSE4.2.
3974 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
3975 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
3976 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
3977 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
3978 (vcondu<mode>): Likewise.
3979 * doc/extend.texi: Document SSE4.2 built-in functions.
3980 * doc/invoke.texi: Document -msse4.2/-msse4.
3982 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
3984 PR tree-optimization/32160
3985 * tree-predcom.c (predcom_tmp_var): New function. Mark created
3986 variable as gimple reg.
3987 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
3989 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
3991 * gcc.c (main): Don't consider linker options when issuing the
3992 warning about a linker input file not being used.
3994 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3996 * tree-vrp.c (compare_names): Initialize sop.
3998 2007-05-30 Dirk Mueller <dmueller@suse.de>
4000 * cgraphunit.c (cgraph_analyze_function): Remove
4001 computation of inline parameters.
4003 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4005 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
4007 2007-05-30 Richard Sandiford <richard@codesourcery.com>
4009 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
4010 Add vx-common.h. Include vxworks.h between vx-common.h and
4012 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
4014 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
4015 (TARGET_ASM_DESTRUCTOR): Likewise.
4016 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
4017 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
4018 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
4019 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
4020 (VXWORKS_ENDIAN_SPEC): Define.
4021 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
4022 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
4023 VXWORKS_* equivalents.
4024 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
4025 (ASM_FILE_START): Delete.
4026 (TARGET_VERSION): Reformat.
4027 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
4028 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
4029 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4030 (FPBIT, DPBIT): Define.
4031 (fp-bit.c, dp-bit.c): New rules.
4032 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
4033 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
4034 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
4035 * config/arm/arm.h: Include vxworks-dummy.h.
4036 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
4037 Mark with ATTRIBUTE_UNUSED.
4038 (arm_override_options): Do not allow VxWorks RTP PIC to be used
4039 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
4040 make it incompatible with -msingle-pic-base.
4041 (arm_function_ok_for_sibcall): Return false for calls that might
4042 go through a VxWorks PIC PLT entry.
4043 (require_pic_register): New function, split out from...
4044 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
4046 (arm_load_pic_register): Handle the VxWorks RTP initialization
4047 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
4048 (arm_emit_call_insn): New function.
4049 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
4050 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
4051 (pic_offset_arm): New pattern.
4052 (call, call_value): Use arm_emit_call_insn.
4053 (call_internal, call_value_internal): New expanders.
4054 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
4055 VxWorks unless __PIC__.
4057 2007-05-30 Eric Christopher <echristo@gmail.com>
4059 * genrecog.c: Include regs.h in generated file.
4060 * genemit.c: Ditto. Fix up formatting.
4061 * config/mn10300/constraints.md: New.
4062 * config/mn10300/mn10300.md: Include.
4063 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
4064 Fix up for removed macro.
4065 * config/mn10300/predicates.md (call_address_operand): Ditto.
4066 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
4067 (CONST_OK_FOR_I): Ditto.
4068 (CONST_OK_FOR_J): Ditto.
4069 (CONST_OK_FOR_K): Ditto.
4070 (CONST_OK_FOR_L): Ditto.
4071 (CONST_OK_FOR_M): Ditto.
4072 (CONST_OK_FOR_N): Ditto.
4073 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
4077 (EXTRA_CONSTRAINT): Ditto.
4079 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4081 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
4083 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
4084 OPTION_MASK_ISA_64BIT.
4085 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
4087 2007-05-30 Richard Guenther <rguenther@suse.de>
4090 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
4091 types for comparison.
4092 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
4093 with original typed arguments.
4094 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
4096 2007-05-30 Jakub Jelinek <jakub@redhat.com>
4098 PR tree-optimization/31769
4099 * except.c (duplicate_eh_regions): Clear prev_try if
4100 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
4102 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4104 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
4105 * tree-ssa-sink.c (statement_sink_location): Return basic block and
4106 bsi of the location where statements should be inserted.
4107 (sink_code_in_bb): Take bsi from statement_sink_location.
4108 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
4109 instead of bsi_start.
4110 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
4112 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
4113 (bsi_move_before): Document inconsistency with bsi_move_after.
4114 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
4116 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4118 * config/i386/i386.h (TARGET_ABM): New define.
4119 (TARGET_POPCNT): Ditto.
4120 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
4121 New temporary defines to redefine from OPTION_ISA_* defines.
4122 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
4123 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
4124 (ix86_isa_flags): New extern int declaration.
4125 (TARGET_SUBTARGET_DEFAULT): New define.
4126 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
4127 (TARGET_SUBTARGET32_DEFAULT): Ditto.
4128 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
4129 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
4130 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
4131 * config/i386/darwin.h: Change TARGET_64BIT define to
4134 * config/i386/i386.opt (m3dnowa): Define as undocumented option
4135 using existing "ix86_isa_flags" varible.
4136 (m32, m64): Use existing "ix86_isa_flags" variable.
4137 (mmmx, m3dnow): Ditto.
4138 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
4139 (mabm): Define as non-negative option using "x86_abm" variable.
4140 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
4142 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
4143 Rewrite feature test bitmap.
4144 (ix86_isa_flags): New initialized global int varible.
4145 (ix86_isa_flags_explicit): New static int variable.
4146 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
4147 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
4148 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
4149 target_flags_explicit.
4150 (override_options): Remove "target_enable" and "target_disable" fields
4151 from "struct ptt". Update processor_target_table accordingly. Remove
4152 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
4153 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
4154 "target_flags" and "ix86_isa_flags_explicit" instead of
4155 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
4156 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
4157 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
4158 to true when either of PTA_POPCNT or PTA_ABM is set in
4159 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
4160 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
4161 processor_alias_table flags entry. Remove handling of
4162 "target_enable" and "target_disable" fields of processor_target_table.
4163 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
4164 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
4165 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
4166 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
4167 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
4169 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
4171 2007-05-29 David Daney <ddaney@avtrex.com>
4174 * config/mips/mips.c (mips_output_mi_thunk): Emit
4175 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
4177 2007-05-29 Hui-May Chang <hm.chang@apple.com>
4178 * config/i386/i386.c (ix86_function_regparm): Added checking of
4179 ix86_force_align_arg_pointer to determine the number of
4180 register parameters.
4182 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
4184 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
4185 (SET_DR_MISALIGNMENT): New.
4186 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
4187 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
4188 Use SET_DR_MISALIGNMENT.
4189 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
4191 * tree-data-ref.c (create_data_ref, compute_all_dependences,
4192 find_loop_nest): Export.
4193 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
4194 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
4195 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
4196 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
4198 (struct mem_ref): Add field reuse_distance.
4199 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
4200 Initialize reuse_distance field.
4201 (issue_prefetch_ref): Select temporality of prefetch according to
4203 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
4204 self_reuse_distance, determine_loop_nest_reuse): New functions.
4205 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
4206 (tree_ssa_prefetch_arrays): Dump L2 cache size.
4207 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
4210 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
4212 * tree-ssa-alias.c: Add aliasing overview.
4214 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
4215 Danny Smith <dannysmith@users.sourceforge.net>
4218 * config/i386/t-crtfm: Compile crtfastmath.o with
4219 -minline-all-stringops.
4220 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
4221 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
4223 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4225 * doc/md.texi: Document constraints on HP PA-RISC.
4227 * pa/constraints.md: New file.
4228 * pa.md: Include constraints.md.
4229 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
4230 (integer_store_memory_operand, ldil_cint_p): New functions.
4231 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
4232 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
4233 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
4234 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
4235 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
4237 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
4240 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
4241 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
4242 case POSTDECREMENT_EXPR>): Return the error_mark_node
4243 if either the real or imaginary parts would an
4246 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
4248 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
4249 name when we remove it from a call.
4251 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
4253 * targhooks.c (default_narrow_bitfield): Remove.
4254 * targhooks.h: Remove the prototype for
4255 default_narrow_bitfield.
4257 * langhooks-def.h: Remove the prototype for
4258 hook_get_alias_set_0.
4259 * langhooks.c (hook_get_alias_set_0): Remove.
4261 * global.c (EXECUTE_IF_CONFLICT): Remove.
4263 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
4266 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
4267 return true when truth_value_p is true and the type
4270 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
4272 * doc/install.texi (Prerequisites): We no longer require Autoconf
4273 2.13 for the top-level.
4275 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
4277 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
4278 memory access via x86_expand_vector_move_misalign() only for
4279 TImode values on 32-bit targets.
4281 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
4283 * matrix-reorg.c: New file. Implement matrix flattening and
4284 transposing optimization.
4285 * tree-pass.h: Add matrix reorg pass.
4286 * common.opt: Add fipa-mreorg flag.
4287 * Makefile.in: Add matrix-reorg.c.
4288 * passes.c: Add matrix reorg pass.
4289 * varpool.c (add_new_static_var): New function.
4290 * cgraph.h (add_new_static_var): Declare.
4292 2007-05-27 Eric Christopher <echristo@apple.com>
4294 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
4295 sp_offset depending on stack size. Save r12 depending
4296 on registers we're saving later.
4297 (rs6000_emit_epilogue): Update sp_offset depending only
4300 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
4302 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
4303 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
4304 * ifcvt.c (if_convert): Ditto.
4305 * tree-ssa-threadupdate.c (thread_block): Ditto.
4306 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
4307 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
4308 verify_loop_closed_ssa): Check number_of_loops instead of
4310 * predict.c (tree_estimate_probability): Ditto.
4311 * tree-if-conv.c (main_tree_if_conversion): Ditto.
4312 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4313 * modulo-sched.c (sms_schedule): Ditto.
4314 * tree-scalar-evolution.c (scev_const_prop): Ditto.
4315 (scev_finalize): Do not do anything if scev analysis was not
4317 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
4318 current_loops == NULL.
4319 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
4320 * loop-init.c (loop_optimizer_init): Do not free current_loops when
4322 (loop_optimizer_finalize): Assert that loops were analyzed.
4323 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
4324 rtl_doloop): Check number_of_loops instead of current_loops.
4325 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
4326 current_loops == NULL.
4327 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
4328 gate_tree_vectorize tree_linear_transform, check_data_deps,
4329 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
4330 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
4331 Check number_of_loops instead of current_loops.
4332 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
4333 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
4334 free loops if available.
4335 (execute_pre): Do not pass do_fre to fini_pre.
4337 2007-05-27 Tobias Burnus <burnus@net-b.de>
4340 * real.c (mpfr_from_real): Fix sign of -Inf.
4342 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
4344 * tree-vect-transform.c (vectorizable_conversion): Initialize
4345 tree_code variables to ERROR_MARK.
4346 (vectorizable_type_demotion): Likewise.
4347 (vectorizable_type_promotion): Likewise.
4349 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4352 * config/i386/i386.md (movti): Handle push operands via
4355 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4357 * basic-block.h: Remove the prototype for merge_seq_blocks.
4358 * cfgcleanup.c (merge_seq_blocks): Remove.
4360 * tree-flow.h: Remove the prototype for is_aliased_with.
4361 * tree-ssa-alias.c (is_aliased_with): Remove.
4363 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
4365 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
4367 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
4369 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
4370 ix86_expand_sse4_unpack if SSE4.1 is enabled.
4371 (vec_unpacks_hi_v16qi): Likewise.
4372 (vec_unpacku_lo_v16qi): Likewise.
4373 (vec_unpacks_lo_v16qi): Likewise.
4374 (vec_unpacku_hi_v8hi): Likewise.
4375 (vec_unpacks_hi_v8hi): Likewise.
4376 (vec_unpacku_lo_v8hi): Likewise.
4377 (vec_unpacks_lo_v8hi): Likewise.
4378 (vec_unpacku_hi_v4si): Likewise.
4379 (vec_unpacks_hi_v4si): Likewise.
4380 (vec_unpacku_lo_v4si): Likewise.
4381 (vec_unpacks_lo_v4si): Likewise.
4383 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
4385 * c-typeck.c, config/arm/arm.c, config/darwin.c,
4386 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
4387 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
4388 follow spelling conventions in various
4389 warning/error/diagnostic messages.
4391 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
4392 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
4393 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
4394 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
4395 tree-vrp.c: Fix comment typos. Follow spelling conventions.
4396 * doc/tm.texi: Follow spelling conventions.
4398 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
4401 * tree-ssa-forwprop.c
4402 (forward_propagate_addr_into_variable_array_index): Remove
4403 the lhs argument. Use the type of def_rhs instead of lhs.
4404 (forward_propagate_addr_expr_1): Update use of
4405 forward_propagate_addr_into_variable_array_index.
4407 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
4408 Nigel Stephens <nigel@mips.com>
4410 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
4411 function attributes, "far" being an alias for "long_call".
4412 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
4413 (mips_near_type_p, mips_far_type_p): New.
4414 (mips_comp_type_attributes): New function to check that attributes
4415 attached to a function type are compatible.
4416 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
4417 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
4418 to the target function of the thunk.
4419 (mips_encode_section_info): Check for "near" and "far" function
4420 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
4422 * config/mips/predicates.md (const_call_insn_operand): Test only
4423 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
4425 * doc/extend.texi (Function Attributes): Document MIPS "near" and
4428 * testsuite/gcc.target/mips/near-far-1.c: New test case.
4429 * testsuite/gcc.target/mips/near-far-2.c: New test case.
4430 * testsuite/gcc.target/mips/near-far-3.c: New test case.
4431 * testsuite/gcc.target/mips/near-far-4.c: New test case.
4433 2007-05-25 Eric Christopher <echristo@apple.com>
4435 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
4436 to x86-darwin configurations.
4437 * config/i386/t-darwin: Add softfp support.
4438 * config/i386/t-darwin64: Ditto.
4439 * config/i386/sfp-machine.h: If mach then don't use
4440 aliasing, emit a stub to call.
4442 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
4444 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
4445 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
4446 tree-predcom.c, tree-ssa-alias-warnings.c,
4447 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
4448 comment typos. Follow spelling conventions.
4449 * doc/cpp.texi, doc/invoke.texi: Fix typos.
4451 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
4454 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
4455 constants into memory. Expand unaligned memory references for
4456 SSE modes via x86_expand_vector_move_misalign() function.
4458 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
4460 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
4461 "memory" attribute for "sseishft" type insn without operands[2].
4463 2007-05-25 Dirk Mueller <dmueller@suse.de>
4464 Marcus Meissner <meissner@suse.de>
4466 * doc/extend.texi (alloc_size): New attribute.
4467 * c-common.c (handle_alloc_size_attribute): New.
4468 * tree-object-size.c (alloc_object_size): Use alloc_size
4469 attribute, if available.
4471 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4473 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
4475 (__builtin_ia32_vec_ext_v2di): Likewise.
4476 (__builtin_ia32_vec_ext_v4si): Likewise.
4477 (__builtin_ia32_vec_ext_v8hi): Likewise.
4478 (__builtin_ia32_vec_ext_v16qi): Likewise.
4479 (__builtin_ia32_vec_set_v8hi): Likewise.
4481 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
4483 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
4485 2007-05-25 Richard Sandiford <richard@codesourcery.com>
4487 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
4488 (arm_is_longcall_p): Rename to...
4489 (arm_is_long_call_p): ...this. Take a single tree argument and
4491 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
4492 (CUMULATIVE_ARGS): Remove call_cookie.
4493 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
4494 (ENCODED_LONG_CALL_ATTR_P): Delete.
4495 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
4496 LONG_CALL_FLAG_CHAR cases.
4497 (ARM_DECLARE_FUNCTION_SIZE): Delete.
4498 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
4499 ARM_DECLARE_FUNCTION_SIZE.
4500 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
4501 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
4502 (arm_encode_call_attribute, current_file_function_operand): Delete.
4503 (arm_function_in_section_p): New function.
4504 (arm_is_longcall_p): Rename to...
4505 (arm_is_long_call_p): ...this. Take the target function as a single
4506 argument and return a bool. Do not rely on call cookies. Check
4507 whether the target symbol is in the same section as the current
4508 function, not just the same compilation unit.
4509 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
4510 (arm_encode_section_info): Don't encode a call type.
4511 * config/arm/arm.md (call, call_value): Update calls to
4512 arm_is_long(_)call_p. Simplify logic.
4513 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
4514 Update calls to arm_is_long(_)call_p.
4516 2007-05-25 Richard Guenther <rguenther@suse.de>
4518 PR tree-optimization/31982
4519 * tree-ssa-forwprop.c
4520 (forward_propagate_addr_into_variable_array_index): Handle arrays
4521 with element size one.
4523 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
4525 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
4526 (umulsi3_highpart): Likewise.
4528 2007-05-24 Ian Lance Taylor <iant@google.com>
4530 PR rtl-optimization/32069
4531 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
4534 2007-05-24 Ollie Wild <aaw@google.com>
4536 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
4539 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
4541 * postreload-gcse.c (reg_changed_after_insn_p): New function.
4542 (oprs_unchanged_p): Use it to check all registers in a REG.
4543 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
4544 (reg_set_between_after_reload_p): Delete.
4545 (reg_used_between_after_reload_p): Likewise.
4546 (reg_set_or_used_since_bb_start): Likewise.
4547 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
4548 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
4549 Use reg_set_between_p instead of reg_set_between_after_reload_p.
4550 * rtlanal.c (reg_set_p): Check whether REG overlaps
4551 regs_invalidated_by_call, rather than just checking the
4552 membership of REGNO (REG).
4554 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4556 * doc/passes.texi: Document predictive commoning.
4557 * doc/invoke.texi (-fpredictive-commoning): Document.
4558 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
4559 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
4560 adding indices to the generated name.
4561 (schedule_sm): Pass 0 to get_lsm_tmp_name.
4562 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
4563 * tree-pretty-print.c (op_symbol_1): Renamed to ...
4564 (op_symbol_code): ... and exported.
4565 (dump_omp_clause, op_symbol): Use op_symbol_code
4566 instead of op_symbol_1.
4567 * tree-pass.h (pass_predcom): Declare.
4568 * timevar.def (TV_PREDCOM): New timevar.
4569 * tree-ssa-loop.c (run_tree_predictive_commoning,
4570 gate_tree_predictive_commoning, pass_predcom): New.
4571 * tree-data-ref.c (find_data_references_in_loop): Find the
4572 references in dominance order.
4573 (canonicalize_base_object_address): Ensure that the result has
4575 (dr_analyze_innermost): Export.
4576 (create_data_ref): Code to fail for references with invariant
4578 (find_data_references_in_stmt): ... here.
4579 * tree-data-ref.h (dr_analyze_innermost): Declare.
4580 * tree-affine.c: Include tree-gimple.h and hashtab.h.
4581 (aff_combination_find_elt, name_expansion_hash,
4582 name_expansion_eq, tree_to_aff_combination_expand,
4583 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
4585 * tree-affine.h (aff_combination_constant_multiple_p,
4586 tree_to_aff_combination_expand): Declare.
4587 * tree-predcom.c: New file.
4588 * common.opt (fpredictive-commoning): New option.
4589 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
4590 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
4591 * Makefile.in (tree-predcom.o): Add.
4592 (tree-affine.o): Add TREE_GIMPLE_H dependency.
4593 * passes.c (init_optimization_passes): Add dceloop after
4594 copy propagation in loop optimizer. Add predictive commoning
4595 to loop optimizer passes.
4597 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4599 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
4602 2007-05-24 Jan Hubicka <jh@suse.cz>
4604 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
4606 (genheader): Include statistics.h.
4608 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
4610 * print-rtl.c (flag_dump_unnumbered): Update comments.
4611 (print_rtl): Fix my previous change.
4612 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
4615 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4618 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
4620 (thread_through_all_blocks): Call initialize_original_copy_tables
4621 and free_original_copy_tables.
4622 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
4624 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
4625 * cfghooks.c (duplicate_block): Use get_loop_copy.
4626 * cfg.c: Include cfgloop.h.
4627 (loop_copy): New hash table.
4628 (initialize_original_copy_tables): Initialize loop_copy table.
4629 (free_original_copy_tables): Free loop_copy table.
4630 (copy_original_table_clear, copy_original_table_set,
4631 set_loop_copy, get_loop_copy): New functions.
4632 (set_bb_original, set_bb_copy): Use copy_original_table_set.
4633 * cfgloop.h (struct loop): Remove copy field.
4634 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
4635 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
4637 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4639 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
4640 -msse/-msse2/-msse3.
4642 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
4644 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
4645 __builtin_ia32_vec_set_v2di with MASK_64BIT.
4647 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
4650 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
4651 * targhooks.h (default_mangle_decl_assembler_name): Declare
4653 * targhooks.c (default_mangle_decl_assembler_name): Define
4655 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
4657 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
4658 * langhooks.c (lhd_set_decl_assembler_name): Call
4659 targetm.mangle_decl_assembler_name for names with global scope.
4661 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
4663 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
4664 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
4666 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
4667 New. Factored out of i386_pe_encode_section_info.
4668 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
4669 Move check for prior decoration of stdcall
4670 symbols to i386_pe_encode_section_info.
4671 (i386_pe_encode_section_info): Adjust call to
4672 gen_stdcall_or_fastcall_suffix. Use
4673 i386_pe_maybe_mangle_decl_assembler_name, if needed.
4674 (i386_pe_mangle_decl_assembler_name): New. Wrap
4675 i386_pe_maybe_mangle_decl_assembler_name.
4677 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
4679 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
4680 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
4681 * langhooks.c (get_signed_or_unsigned_type): Don't check for
4682 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
4683 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
4686 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
4687 Nigel Stephens <nigel@mips.com>
4688 Richard Sandiford <richard@codesourcery.com>
4690 Fix up MIPS16 hard float and add support for complex.
4692 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
4693 (TARGET_SOFT_FLOAT_ABI): New.
4694 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
4695 __mips_soft_float to reflect the ABI in use, not whether the
4696 FPU is directly accessible (e.g., in MIPS16 mode).
4697 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
4698 (UNITS_PER_FPVALUE): Likewise.
4700 * config/mips/mips.c (mips_expand_call): Remove redundant
4701 TARGET_MIPS16 check.
4702 (mips_arg_regno): New.
4703 (function_arg_advance): When setting bits in cum->fp_code for
4704 MIPS16, don't subtract 1 from cum->arg_number, since it is now
4706 (function_arg): Use mips_arg_regno.
4707 (mips_return_mode_in_fpr_p): New.
4708 (mips16_call_stub_mode_suffix): New.
4709 (mips16_cfun_returns_in_fpr_p): New.
4710 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
4711 (mips_output_function_prologue): Test mips16_hard_float, not
4712 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
4713 (mips_expand_epilogue): Call MIPS16 helper routines to copy
4714 return value into a floating-point register.
4715 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
4716 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
4717 (mips16_fp_args): Handle MIPS32r2 ISA which supports
4718 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
4719 word of double arguments from or to the high bits of 64-bit
4720 floating point registers.
4721 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
4722 (mips16_fpret_double): New helper function.
4723 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
4724 support for complex modes. Fill in DECL_RESULT for stubdecl.
4725 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
4727 * config/mips/mips16.S
4728 (RET, ARG1, ARG2): New.
4729 (MERGE_GPRf, MERGE_GPRt): New.
4730 (DELAYt, DELAYf): New.
4731 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
4732 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
4733 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
4734 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
4735 (SFOP): Renamed to...
4736 (OPSF3): This, and macro-ified. Updated all uses.
4737 (SFOP2): Renamed to...
4738 (OPSF2): This, and macro-ified. Updated all uses.
4739 (SFCMP): Renamed to...
4740 (CMPSF): This, and macro-ified. Updated all uses.
4741 (SFREVCMP): Renamed to...
4742 (REVCMPSF): This, and macro-ified. Updated all uses.
4743 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
4744 (LDDBL1, LDDBL2, RETDBL): Deleted.
4745 (DFOP): Renamed to...
4746 (OPDF3): This, and macro-ified. Updated all uses.
4747 (DFOP2): Renamed to...
4748 (OPDF2): This, and macro-ified. Updated all uses.
4749 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
4750 (DFCMP): Renamed to...
4751 (CMPDF): This, and macro-ified. Updated all uses.
4752 (DFREVCMP): Renamed to...
4753 (REVCMPDF): This, and macro-ified. Updated all uses.
4754 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
4755 (RET_FUNCTION): New.
4756 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
4757 (__mips16_ret_sc, __mips16_ret_dc): New.
4758 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
4759 STUB_ARGS_6, STUB_ARGS_10): New.
4760 (CALL_STUB_NO_RET): New.
4761 (__mips16_call_stub_1): Macro-ified.
4762 (__mips16_call_stub_5): Macro-ified.
4763 (__mips16_call_stub_2): Macro-ified.
4764 (__mips16_call_stub_6): Macro-ified.
4765 (__mips16_call_stub_9): Macro-ified.
4766 (__mips16_call_stub_10): Macro-ified.
4767 (CALL_STUB_RET): New.
4768 (__mips16_call_stub_sf_0): Macro-ified.
4769 (__mips16_call_stub_sf_1): Macro-ified.
4770 (__mips16_call_stub_sf_5): Macro-ified.
4771 (__mips16_call_stub_sf_2): Macro-ified.
4772 (__mips16_call_stub_sf_6): Macro-ified.
4773 (__mips16_call_stub_sf_9): Macro-ified.
4774 (__mips16_call_stub_sf_10): Macro-ified.
4775 (__mips16_call_stub_df_0): Macro-ified.
4776 (__mips16_call_stub_df_1): Macro-ified.
4777 (__mips16_call_stub_df_5): Macro-ified.
4778 (__mips16_call_stub_df_2): Macro-ified.
4779 (__mips16_call_stub_df_6): Macro-ified.
4780 (__mips16_call_stub_df_9): Macro-ified.
4781 (__mips16_call_stub_df_10): Macro-ified.
4782 (__mips16_call_stub_sc_0): New.
4783 (__mips16_call_stub_sc_1): New.
4784 (__mips16_call_stub_sc_5): New.
4785 (__mips16_call_stub_sc_2): New.
4786 (__mips16_call_stub_sc_6): New.
4787 (__mips16_call_stub_sc_9): New.
4788 (__mips16_call_stub_sc_10): New.
4789 (__mips16_call_stub_dc_0): New.
4790 (__mips16_call_stub_dc_1): New.
4791 (__mips16_call_stub_dc_5): New.
4792 (__mips16_call_stub_dc_2): New.
4793 (__mips16_call_stub_dc_6): New.
4794 (__mips16_call_stub_dc_9): New.
4795 (__mips16_call_stub_dc_10): New.
4797 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
4798 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
4799 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
4801 2007-05-23 Ian Lance Taylor <iant@google.com>
4803 * doc/invoke.texi (Invoking GCC): Document that the order of the
4806 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
4809 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
4810 * config/score/predicate.md (const_pow2, const_npow2): Remove.
4811 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
4815 * config/score/score.c (score_print_operand): Make sure that only
4816 lower bits are used.
4818 2007-05-22 Ian Lance Taylor <iant@google.com>
4820 * tree-vrp.c (avoid_overflow_infinity): New static function,
4821 broken out of set_value_range_to_value.
4822 (set_value_range_to_value): Call avoid_overflow_infinity.
4823 (extract_range_from_assert): Likewise.
4825 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
4828 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
4829 change the type before looking for a COMPOUND_EXPR.
4831 2007-05-22 Ian Lance Taylor <iant@google.com>
4833 * lower-subreg.c (decompose_multiword_subregs): If we change an
4834 insn, call remove_retval_note on it.
4836 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4838 * regs.h (end_hard_regno): New function.
4839 (END_HARD_REGNO, END_REGNO): New macros.
4840 (add_to_hard_reg_set): New function.
4841 (remove_from_hard_reg_set): Likewise.
4842 (in_hard_reg_set_p): Likewise.
4843 (overlaps_hard_reg_set_p): Likewise.
4844 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
4845 (note_btr_set): Use END_HARD_REGNO.
4846 * caller-save.c (setup_save_areas): Use end_hard_regno.
4847 (mark_set_regs): Use END_HARD_REGNO.
4848 (add_stored_regs): Use end_hard_regno.
4849 (mark_referenced_regs): Use add_to_hard_reg_set.
4850 * combine.c (update_table_tick): Use END_REGNO.
4851 (record_value_for_reg): Likewise.
4852 (record_dead_and_set_regs): Likewise.
4853 (get_last_value_validate): Likewise.
4854 (use_crosses_set_p): Likewise.
4855 (reg_dead_at_p_1): Likewise.
4856 (reg_dead_at_p): Likewise.
4857 (mark_used_regs_combine): Use add_to_hard_reg_set.
4858 (move_deaths): Use END_HARD_REGNO.
4859 (reg_bitfield_target_p): Use end_hard_regno.
4860 (distribute_notes): Use END_HARD_REGNO.
4861 * cse.c (mention_regs): Use END_REGNO.
4862 (insert): Use add_to_hard_reg_set.
4863 (invalidate): Use END_HARD_REGNO.
4864 (invalidate_for_call): Likewise.
4865 (exp_equiv_p): Use END_REGNO.
4866 (cse_insn): Likewise.
4867 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
4868 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
4869 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
4870 * function.c (keep_stack_depressed): Use end_hard_regno.
4871 * global.c (global_alloc): Use end_hard_regno.
4872 (global_conflicts): Use add_to_hard_reg_set instead of
4874 (find_reg): Likewise.
4875 (mark_reg_store): Likewise.
4876 (mark_reg_conflicts): Likewise.
4877 (mark_reg_death): Use remove_from_hard_reg_set.
4878 (mark_reg_live_nc): Delete.
4879 (set_preference): Use end_hard_regno.
4880 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
4881 remove_from_hard_reg_set.
4882 (post_mark_life): Use add_to_hard_reg_set.
4883 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
4884 (reg_becomes_live): Use add_to_hard_reg_set.
4885 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
4886 (peep2_find_free_register): Use add_to_hard_reg_set.
4887 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
4888 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
4889 * regrename.c (note_sets): Use add_to_hard_reg_set.
4890 (clear_dead_regs): Use remove_from_hard_reg_set.
4891 (regrename_optimize): Use add_to_hard_reg_set.
4892 (find_oldest_value_reg): Use in_hard_reg_set_p.
4893 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
4894 (hard_reg_set_here_p): Use end_hard_regno.
4895 (decompose): Likewise.
4896 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
4897 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
4898 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
4899 (mark_home_live): Use end_hard_regno.
4900 (spill_hard_reg): Likewise.
4901 (clear_reload_reg_in_use): Likewise.
4902 * reorg.c (delete_prior_computation): Use END_REGNO.
4903 * resource.c (update_live_status): Use END_HARD_REGNO.
4904 (mark_referenced_resources): Use add_to_hard_reg_set.
4905 (mark_set_resources): Likewise.
4906 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
4907 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
4908 (reg_overlap_mentioned_p): Likewise.
4909 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
4910 (covers_regno_no_parallel_p): Use END_REGNO.
4911 (find_regno_note): Likewise.
4912 (find_reg_fusage): Use END_HARD_REGNO.
4913 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
4914 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
4916 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
4918 * mode-switching.c (reg_dies): Change type of second argument to
4920 (optimize_mode_switching): Update accordingly.
4922 2007-05-22 Richard Sandiford <richard@codesourcery.com>
4924 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
4926 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
4927 (hard_reg_set_empty_p): ...these new functions.
4928 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
4929 GO_IF_HARD_REG_SUBSET.
4930 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
4931 instead of GO_IF_HARD_REG_EQUAL.
4932 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
4933 instead of GO_IF_HARD_REG_EQUAL.
4934 * global.c (find_reg): Use hard_reg_set_empty_p instead of
4935 GO_IF_HARD_REG_SUBSET.
4936 (modify_reg_pav): Use hard_reg_set_empty_p instead of
4937 GO_IF_HARD_REG_EQUAL.
4938 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
4939 of GO_IF_HARD_REG_SUBSET.
4940 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
4941 instead of GO_IF_HARD_REG_EQUAL.
4942 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
4943 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
4944 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
4945 of GO_IF_HARD_REG_SUBSET,
4946 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
4947 GO_IF_HARD_REG_SUBSET.
4948 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
4949 instead of GO_IF_HARD_REG_EQUAL.
4950 * config/sh/sh.c (push_regs, calc_live_regs): Use
4951 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
4952 (hard_regs_intersect_p): Delete.
4954 2007-05-22 Janis Johnson <janis187@us.ibm.com>
4956 * doc/sourcebuild.texi (Test Directives) Add dg-message.
4958 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
4959 Richard Henderson <rth@redhat.com>
4961 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
4963 (x86_64-*-*): Likewise.
4965 * i386/i386-modes.def (V2QI): New.
4967 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
4969 (override_options): Support SSE4.1.
4970 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
4971 (IX86_BUILTIN_BLENDPS): Likewise.
4972 (IX86_BUILTIN_BLENDVPD): Likewise.
4973 (IX86_BUILTIN_BLENDVPS): Likewise.
4974 (IX86_BUILTIN_PBLENDVB128): Likewise.
4975 (IX86_BUILTIN_PBLENDW128): Likewise.
4976 (IX86_BUILTIN_DPPD): Likewise.
4977 (IX86_BUILTIN_DPPS): Likewise.
4978 (IX86_BUILTIN_INSERTPS128): Likewise.
4979 (IX86_BUILTIN_MOVNTDQA): Likewise.
4980 (IX86_BUILTIN_MPSADBW128): Likewise.
4981 (IX86_BUILTIN_PACKUSDW128): Likewise.
4982 (IX86_BUILTIN_PCMPEQQ): Likewise.
4983 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
4984 (IX86_BUILTIN_PMAXSB128): Likewise.
4985 (IX86_BUILTIN_PMAXSD128): Likewise.
4986 (IX86_BUILTIN_PMAXUD128): Likewise.
4987 (IX86_BUILTIN_PMAXUW128): Likewise.
4988 (IX86_BUILTIN_PMINSB128): Likewise.
4989 (IX86_BUILTIN_PMINSD128): Likewise.
4990 (IX86_BUILTIN_PMINUD128): Likewise.
4991 (IX86_BUILTIN_PMINUW128): Likewise.
4992 (IX86_BUILTIN_PMOVSXBW128): Likewise.
4993 (IX86_BUILTIN_PMOVSXBD128): Likewise.
4994 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
4995 (IX86_BUILTIN_PMOVSXWD128): Likewise.
4996 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
4997 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
4998 (IX86_BUILTIN_PMOVZXBW128): Likewise.
4999 (IX86_BUILTIN_PMOVZXBD128): Likewise.
5000 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
5001 (IX86_BUILTIN_PMOVZXWD128): Likewise.
5002 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
5003 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
5004 (IX86_BUILTIN_PMULDQ128): Likewise.
5005 (IX86_BUILTIN_PMULLD128): Likewise.
5006 (IX86_BUILTIN_ROUNDPD): Likewise.
5007 (IX86_BUILTIN_ROUNDPS): Likewise.
5008 (IX86_BUILTIN_ROUNDSD): Likewise.
5009 (IX86_BUILTIN_ROUNDSS): Likewise.
5010 (IX86_BUILTIN_PTESTZ): Likewise.
5011 (IX86_BUILTIN_PTESTC): Likewise.
5012 (IX86_BUILTIN_PTESTNZC): Likewise.
5013 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
5014 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
5015 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
5016 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
5017 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
5019 (bdesc_sse_3arg): Likewise.
5020 (bdesc_2arg): Likewise.
5021 (bdesc_1arg): Likewise.
5022 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
5024 (ix86_expand_sse_4_operands_builtin): New.
5025 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
5026 smaller than 8 bits as the 2nd arg.
5027 (ix86_expand_sse_ptest): New.
5028 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
5029 (ix86_expand_vector_set): Support SSE4.1.
5030 (ix86_expand_vector_extract): Likewise.
5032 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
5033 __SSE4_1__ for -msse4.1.
5035 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
5036 (UNSPEC_INSERTPS): Likewise.
5037 (UNSPEC_DP): Likewise.
5038 (UNSPEC_MOVNTDQA): Likewise.
5039 (UNSPEC_MPSADBW): Likewise.
5040 (UNSPEC_PHMINPOSUW): Likewise.
5041 (UNSPEC_PTEST): Likewise.
5042 (UNSPEC_ROUNDP): Likewise.
5043 (UNSPEC_ROUNDS): Likewise.
5045 * config/i386/i386.opt (msse4.1): New for SSE4.1.
5047 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
5048 (const_pow2_1_to_32768_operand): Likewise.
5050 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
5053 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
5055 (sse4_1_insertps): Likewise.
5056 (*sse4_1_extractps): Likewise.
5057 (sse4_1_ptest): Likewise.
5058 (sse4_1_mulv2siv2di3): Likewise.
5059 (*sse4_1_mulv4si3): Likewise.
5060 (*sse4_1_smax<mode>3): Likewise.
5061 (*sse4_1_umax<mode>3): Likewise.
5062 (*sse4_1_smin<mode>3): Likewise.
5063 (*sse4_1_umin<mode>3): Likewise.
5064 (sse4_1_eqv2di3): Likewise.
5065 (*sse4_1_pinsrb): Likewise.
5066 (*sse4_1_pinsrd): Likewise.
5067 (*sse4_1_pinsrq): Likewise.
5068 (*sse4_1_pextrb): Likewise.
5069 (*sse4_1_pextrb_memory): Likewise.
5070 (*sse4_1_pextrw_memory): Likewise.
5071 (*sse4_1_pextrq): Likewise.
5072 (sse4_1_blendpd): Likewise.
5073 (sse4_1_blendps): Likewise.
5074 (sse4_1_blendvpd): Likewise.
5075 (sse4_1_blendvps): Likewise.
5076 (sse4_1_dppd): Likewise.
5077 (sse4_1_dpps): Likewise.
5078 (sse4_1_movntdqa): Likewise.
5079 (sse4_1_mpsadbw): Likewise.
5080 (sse4_1_packusdw): Likewise.
5081 (sse4_1_pblendvb): Likewise.
5082 (sse4_1_pblendw): Likewise.
5083 (sse4_1_phminposuw): Likewise.
5084 (sse4_1_extendv8qiv8hi2): Likewise.
5085 (*sse4_1_extendv8qiv8hi2): Likewise.
5086 (sse4_1_extendv4qiv4si2): Likewise.
5087 (*sse4_1_extendv4qiv4si2): Likewise.
5088 (sse4_1_extendv2qiv2di2): Likewise.
5089 (*sse4_1_extendv2qiv2di2): Likewise.
5090 (sse4_1_extendv4hiv4si2): Likewise.
5091 (*sse4_1_extendv4hiv4si2): Likewise.
5092 (sse4_1_extendv2hiv2di2): Likewise.
5093 (*sse4_1_extendv2hiv2di2): Likewise.
5094 (sse4_1_extendv2siv2di2): Likewise.
5095 (*sse4_1_extendv2siv2di2): Likewise.
5096 (sse4_1_zero_extendv8qiv8hi2): Likewise.
5097 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
5098 (sse4_1_zero_extendv4qiv4si2): Likewise.
5099 (*sse4_1_zero_extendv4qiv4si2): Likewise.
5100 (sse4_1_zero_extendv2qiv2di2): Likewise.
5101 (*sse4_1_zero_extendv2qiv2di2): Likewise.
5102 (sse4_1_zero_extendv4hiv4si2): Likewise.
5103 (*sse4_1_zero_extendv4hiv4si2): Likewise.
5104 (sse4_1_zero_extendv2hiv2di2): Likewise.
5105 (*sse4_1_zero_extendv2hiv2di2): Likewise.
5106 (sse4_1_zero_extendv2siv2di2): Likewise.
5107 (*sse4_1_zero_extendv2siv2di2): Likewise.
5108 (sse4_1_roundpd): Likewise.
5109 (sse4_1_roundps): Likewise.
5110 (sse4_1_roundsd): Likewise.
5111 (sse4_1_roundss): Likewise.
5112 (mulv4si3): Don't expand for SSE4.1.
5113 (smax<mode>3): Likewise.
5114 (umaxv4si3): Likewise.
5115 (uminv16qi3): Likewise.
5116 (umin<mode>3): Likewise.
5117 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
5119 * doc/extend.texi: Document SSE4.1 built-in functions.
5121 * doc/invoke.texi: Document -msse4.1.
5123 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
5125 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
5126 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
5127 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
5128 (ASM_SPEC): Add asm_pcrel_spec.
5129 (EXTRA_SPECS): Add asm_pcrel_spec.
5131 2007-05-21 David Daney <ddaney@avtrex.com>
5133 * doc/install.texi (Building a cross compiler): Add requirements
5134 for Java cross compiler.
5136 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
5139 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
5140 Add loopno argument. Use evolution_function_is_invariant_rec_p
5141 instead of evolution_function_is_constant_p.
5142 Update calls to evolution_function_is_affine_multivariate_p.
5143 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
5144 Add loopno argument.
5145 * tree-scalar-evolution.c (gather_chrec_stats): Call
5146 evolution_function_is_affine_multivariate_p with a loop
5148 * tree-data-ref.c (analyze_miv_subscript): Likewise.
5149 (analyze_overlapping_iterations): Likewise.
5150 (access_functions_are_affine_or_constant_p): Likewise.
5151 (build_classic_dist_vector_1): If the access functions
5152 are equal, don't do anything.
5154 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
5155 Paolo Carlini <pcarlini@suse.de>
5156 Uros Bizjak <ubizjak@gmail.com>
5158 * c-cppbuiltin.c (c_cpp_builtins): Define
5159 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
5160 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
5161 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
5162 * doc/cpp.texi ([Standard Predefined Macros]): Document.
5164 2007-05-21 Mike Stump <mrs@apple.com>
5166 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
5168 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
5170 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
5172 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
5173 implementation if __OPTIMIZE__ is not defined.
5174 (_mm_alignr_pi8): Ditto.
5175 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5176 (_mm_inserti_si64): Ditto.
5177 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5178 (_mm_slli_epi16): Ditto.
5179 (_mm_slli_epi32): Ditto.
5180 (_mm_slli_epi64): Ditto.
5181 (_mm_srai_epi16): Ditto.
5182 (_mm_srai_epi32): Ditto.
5183 (_mm_srli_si128): Ditto.
5184 (_mm_slli_si128): Ditto.
5185 (_mm_srli_epi16): Ditto.
5186 (_mm_srli_epi32): Ditto.
5187 (_mm_srli_epi64): Ditto.
5188 (_mm_extract_epi16): Ditto.
5189 (_mm_insert_epi16): Ditto.
5190 (_mm_shufflehi_epi16): Ditto.
5191 (_mm_shufflelo_epi16): Ditto.
5192 (_mm_shuffle_epi32): Ditto.
5193 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
5195 (_mm_insert_pi16): Ditto.
5197 (_mm_shuffle_pi16): Ditto.
5199 (_mm_shufle_ps): Ditto.
5200 (_mm_prefetch): Ditto.
5202 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
5204 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
5205 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
5206 * real.c (encode_i370_single, decode_i370_single,
5207 encode_i370_double, decode_i370_double): Functions removed.
5208 (i370_single_format, i370_double_format): Initializations removed.
5209 (real_maxval, round_for_format, exact_real_truncate, significand_size):
5210 Consider the log2_b field to always be one.
5211 (ieee_single_format, mips_single_format, coldfire_single_format,
5212 ieee_double_format, mips_double_format, coldfire_double_format,
5213 ieee_extended_motorola_format, ieee_extended_intel_96_format,
5214 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
5215 ibm_extended_format, mips_extended_format, ieee_quad_format,
5216 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
5217 decimal_single_format, decimal_double_format, decimal_quad_format,
5218 c4x_single_format, c4x_extended_format, real_internal_format): Remove
5219 initialization of log2_b.
5220 * real.h (i370_single_format, i370_double_format): Declarations
5222 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
5223 field to always be one.
5225 2007-05-21 Andreas Schwab <schwab@suse.de>
5227 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
5228 NOTE_INSN_BASIC_BLOCK_P.
5229 (process_for_unwind_directive): Likewise.
5231 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
5233 * builtins.c (expand_builtin_setjmp_setup): Update comment.
5234 * function.h (struct function): Move va_list_gpr_size,
5235 va_list_fpr_size, function_frequency to front of bitfields. Add
5237 (current_function_calls_unwind_init): New.
5238 * except.c (expand_builtin_unwind_init): Set
5239 current_function_calls_unwind_init not
5240 current_function_has_nonlocal_label.
5241 * reload1.c (has_nonexceptional_receiver): New.
5242 (reload): Use it and current_function_calls_unwind_init to
5243 determine whether call-saved regs must be saved.
5245 2007-05-20 Jan Hubicka <jh@suse.cz>
5247 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
5248 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5249 * ddg.c (create_ddg): LIkewise.
5250 * final.c (final): Remove hunk moving line number notes around since
5251 they are no longer present at this stage.
5252 (final_scan_insn): Use NOTE_KIND instead of
5253 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5254 (output_asm_label): Likewise.
5255 * reorg.c (dbr_schedule): Likewise.
5256 * haifa-sched.c (unlink_other_notes): Likewise.
5257 * mode-switching.c (optimize_mode_switching): Likewise.
5258 * graph.c (start_bb): Likewise.
5259 * rtl.def (NOTE): Update description.
5260 * jump.c (squeeze_notes): Delete.
5261 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
5262 NOTE_INSN_BASIC_BLOCK_P when possible.
5263 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
5264 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
5265 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
5266 (dwarf2out_var_location): Likewise.
5267 * cfgbuild.c (make_edges): Likewise.
5268 (find_basic_blocks_1): Likewise.
5269 * function.c (reorder_blocks_1): Likewise.
5270 (epilogue_done): Likewise.
5271 (reposition_prologue_and_epilogue_notes): Likewise.
5272 * print-rtl.c (print_rtx): Likewise; drop code for printing
5274 (print_rtl): Likewise.
5275 (print_rtl_single): Likewise.
5276 * gcse.c (insert_insn_start_bb): Likewise.
5277 * alias.c (init_alias_analysis): Likewise.
5278 * calls.c (fixup_tail_calls): Likewise.
5279 * except.c (sjlj_emit_function_enter): Likewise.
5280 * emit-rtl.c (add_insn_after): Likeiwse.
5281 (emit_label_before): Likewise.
5282 (emit_label_after): Likewise.
5283 (emit_note_before, emit_note_after, emit_note): Update
5284 parameter to be enum insn_note; do not deal with source
5286 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
5287 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
5289 (merge_blocks_move_successor_nojumps): Simplify now when
5290 we don't have BLOCK notes.
5291 (try_optimize_cfg): Likewise.
5292 * cfglayout.c (skip_insns_after_block): Likewise.
5293 (record_effective_endpoints): Likewise.
5294 (duplicate_insn_chain): Likewise.
5295 * varasm.c (output_constant_pool_1): Likewise.
5296 * sched-deps.c (sched_analyze): Likewise.
5297 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
5299 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
5300 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
5301 (SET_INSN_DELETED): Simplify.
5302 (NOTE_LINE_NUMBER): Exterminate.
5303 (NOTE_LINE_KIND): New.
5304 (NOTE_INSN_BASIC_BLOCK_P): Update.
5305 (enum insn_note): Simplify.
5306 (GET_NOTE_INSN_NAME) Simplify.
5307 (emit_note_before, emit_note_after, emit_note): Update prototype.
5308 (squeeze_notes): Remove.
5309 * sched-int.h (NOTE_NOT_BB_P): Update.
5310 * resource.c (mark_target_live_regs): Update.
5311 * sched-rgn.c (debug_dependencies): Update.
5312 * sched-vis.c (print_insn): Update.
5313 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
5314 * config/i386/i386.c (ix86_output_function_epilogue): Update.
5315 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
5316 (TARGET_ADJUST_UNROLL_MAX): Likewise.
5317 (split_branches): Update.
5318 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
5320 (sh_adjust_unroll_max): Exterminate.
5321 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
5322 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
5323 (m68hc11_reorg): Likewise.
5324 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
5325 (emit_predicate_relation_info): Update.
5326 (process_for_unwind_directive): Update.
5327 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
5328 (output_call): Update.
5329 * config/pa/pa.c (output_lbranch): Update.
5330 (output_millicode_call): Update.
5331 (output_call): Update.
5332 (pa_combine_instructions): Update.
5333 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
5334 * config/bfin/bfin.c (gen_one_bundle): Update.
5335 * cfgrtl.c (can_delete_note_p): Update.
5336 (delete_insn): Update.
5337 (rtl_merge_blocks): Update.
5338 (commit_one_edge_insertion): Update.
5339 (rtl_verify_flow_info): Update.
5340 * stmt.c (expand_case): Do not call squeeze_notes.
5342 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5349 * c.opt (Wtype-limits): New.
5350 * doc/invoke.texi (Wtype-limits): Document it.
5351 (Wextra): Enabled by -Wextra.
5352 * c-opts.c (c_common_post_options): Enabled by -Wextra.
5353 * c-common.c (shorten_compare): Warn with Wtype-limits.
5355 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5357 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
5358 inlined function, not as a macro.
5359 (_mm_alignr_pi8): Ditto.
5360 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5361 (_mm_inserti_si64): Ditto.
5362 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5363 (_mm_extract_epi16): Ditto.
5364 (_mm_insert_epi16): Ditto.
5365 (_mm_shufflehi_epi16): Ditto.
5366 (_mm_shufflelo_epi16): Ditto.
5367 (_mm_shuffle_epi32): Ditto.
5368 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
5369 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
5371 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
5373 (_m_to_float): Use C89 compatible assignment.
5375 2007-04-20 Martin Michlmayr <tbm@cyrius.com>
5378 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
5380 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5383 * doc/invoke.texi (Wreturn-type): Complete description.
5384 (Wextra): Delete item about return-type warning.
5385 * c-decl.c: Delete redundant Wextra warning.
5387 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
5390 * config/i386/pmmintrin.h: Do not include xmmintrin.h
5391 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
5392 inlined function, not as a macro.
5393 (_mm_prefetch): Ditto.
5395 (_mm_insert_pi16): Ditto.
5397 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
5398 (_m_pshufw): Ditto. Add const to __N argument.
5399 (_mm_shufle_ps): Ditto. Add const to __mask argument.
5400 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
5401 (_mm_slli_epi32): Ditto.
5402 (_mm_srli_si128): Implement as always inlined function, not as a
5403 macro. Add __inline to function declaration.
5404 (_mm_slli_si128): Ditto.
5406 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
5408 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
5409 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
5411 (struct fenv): New structure.
5412 (FP_HANDLE_EXCEPTIONS): New define.
5413 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
5414 (_FP_DECL_EXP): New define.
5415 (FP_INIT_ROUNDMODE): New define.
5416 (FP_ROUNDMODE): New define.
5418 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5420 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
5421 (Wconversion): Update description.
5422 (Wconversion-sign): New.
5423 * c.opt (Wconversion-sign): New.
5424 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
5425 means disabled for C++. Otherwise, take the status of Wconversion.
5426 * c-common.c (conversion_warning): Warn with either Wconversion or
5428 (warnings_for_convert_and_check): Conditions are already checked by
5430 (convert_and_check): Don't check warnings if the conversion failed.
5432 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
5433 Anatoly Sokolov <aesok@dol.ru>
5435 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
5436 avr_epilogue_uses) : Add declaration.
5437 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
5438 * config/avr/constraints.md (R): New constraint.
5439 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
5440 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
5441 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
5442 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
5443 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
5444 call_prologue_saves, epilogue_restores, return_from_epilogue,
5445 return_from_main_epilogue, return_from_interrupt_epilogue,
5446 return_from_naked_epilogue, prologue, epilogue): New patterns.
5447 (jump): Handle symbol reference.
5448 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
5449 avr_output_function_prologue, avr_output_function_epilogue): Remove
5451 (avr_init_machine_status, expand_prologue, expand_epilogue,
5452 avr_asm_function_end_prologue, avr_epilogue_uses,
5453 avr_asm_function_begin_epilogue): New functions.
5454 (prologue_size, epilogue_size, jump_tables_size): Remove global
5456 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
5457 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
5458 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
5459 (avr_override_options): Initialise init_machine_status.
5460 (output_movhi): Handle all stack pointer loads.
5461 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
5462 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
5463 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
5464 (EPILOGUE_USES) Redefine.
5465 (machine_function) Declare.
5467 2007-05-19 Richard Sandiford <richard@codesourcery.com>
5469 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
5470 Use a single return statement.
5472 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5475 * builtins.c (do_mpfr_lgamma_r): New.
5476 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
5477 * tree.h (CASE_FLT_FN_REENT): New.
5479 2007-05-18 Geoffrey Keating <geoffk@apple.com>
5481 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
5482 (output_die): Use 'unsigned long' with %x.
5483 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
5484 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
5485 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
5487 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
5489 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
5494 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
5495 true if function has no argument.
5497 2007-05-18 DJ Delorie <dj@redhat.com>
5499 * config/mips/mips.c (mips_offset_within_alignment_p): New.
5500 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
5502 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5504 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
5505 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
5506 count_trailing_zeros.
5507 (__i386__): Implement count_leading_zeros using __builtin_clz().
5508 Implement count_trailing_zeros usign __builtin_ctz().
5510 2007-05-18 Richard Sandiford <richard@codesourcery.com>
5512 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
5514 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
5517 * expr.c (emit_move_change_mode): Change mode of push operands here.
5519 2007-05-17 Ian Lance Taylor <iant@google.com>
5521 PR tree-optimization/31953
5522 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
5524 (set_value_range_to_null): Call set_value_range_to_value.
5525 (extract_range_from_comparison): Likewise.
5527 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5529 * toplev.c (print_version): Output GMP/MPFR version info.
5531 * builtins.c (CASE_MATHFN_REENT): New macro.
5532 (mathfn_built_in): Use it.
5533 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
5534 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
5535 BUILT_IN_LGAMMAL_R): New.
5536 * doc/extend.texi: Document new builtins.
5539 * builtins.c (do_mpfr_remquo): New.
5540 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
5541 (fold_builtin_3): Handle BUILT_IN_REMQUO.
5544 * builtins.c (fold_builtin_1): Handle y0, y1.
5545 (fold_builtin_2): Handle yn.
5548 * builtins.c (do_mpfr_bessel_n): New.
5549 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
5550 (fold_builtin_2): Handle BUILT_IN_JN.
5552 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
5555 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
5556 TYPE_PRECISION (intmax_type_node).
5558 2007-05-17 Steve Ellcey <sje@cup.hp.com>
5561 * reload.c (subst_reloads): Remove checking.
5563 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
5565 PR rtl-optimization/31691
5566 * combine.c (simplify_set): Build a new src pattern instead of
5567 substituting its operands in the COMPARE case.
5569 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5571 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
5572 (execute_vrp): Preserve loops through jump threading.
5573 * tree-ssa-threadupdate.c (thread_single_edge,
5574 dbds_continue_enumeration_p, determine_bb_domination_status,
5575 thread_through_loop_header): New functions.
5576 (create_edge_and_update_destination_phis,
5577 create_edge_and_update_destination_phis): Set loops for the new blocks.
5578 (prune_undesirable_thread_requests): Removed.
5579 (redirect_edges): Do not pretend that redirect_edge_and_branch can
5581 (thread_block): Do not call prune_undesirable_thread_requests.
5583 (mark_threaded_blocks): Select edges to thread here.
5584 (thread_through_all_blocks): Take may_peel_loop_headers argument.
5585 Thread edges through loop headers independently.
5586 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
5587 * tree-pass.h (TODO_mark_first_instance): New.
5588 (first_pass_instance): Declare.
5589 * cfghooks.c (duplicate_block): Put the block to the original loop
5590 if copy is not specified.
5591 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
5592 jump threading. Pass may_peel_loop_headers to
5593 thread_through_all_blocks according to first_pass_instance.
5594 * cfgloop.h (create_preheader): Declare.
5595 * tree-flow.h (thread_through_all_blocks): Declaration changed.
5596 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
5597 * passes.c (first_pass_instance): New variable.
5598 (next_pass_1): Set TODO_mark_first_instance.
5599 (execute_todo): Set first_pass_instance.
5601 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
5603 PR tree-optimization/24659
5604 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
5605 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
5606 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
5607 OTI_vec_pack_ufix_trunc.
5608 (vec_unpacks_float_hi_optab): Define new macro.
5609 (vec_unpacks_float_lo_optab): Ditto.
5610 (vec_unpacku_float_hi_optab): Ditto.
5611 (vec_unpacku_float_lo_optab): Ditto.
5612 (vec_pack_sfix_trunc_optab): Ditto.
5613 (vec_pack_ufix_trunc_optab): Ditto.
5614 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
5615 and vec_pack_[s|u]fix_trunc_optab using
5616 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
5617 * tree-vectorizer.c (supportable_widening_operation): Handle
5618 FLOAT_EXPR and CONVERT_EXPR. Update comment.
5619 (supportable_narrowing_operation): New function.
5620 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
5621 * tree-vect-transform.c (vectorizable_conversion): Handle
5622 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
5623 (vect_gen_widened_results_half): Move before vectorizable_conversion.
5624 (vectorizable_type_demotion): Call supportable_narrowing_operation()
5625 to check for target support.
5626 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
5627 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
5628 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
5629 for VEC_PACK_FIX_TRUNC_EXPR.
5630 (expand_binop): Special case mode of the result for
5631 vec_pack_[u|s]fix_trunc_optab.
5632 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
5633 vec_pack_[u|s]fix_trunc_optab.
5635 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
5636 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
5637 * tree-pretty-print.c (dump_generic_node): Handle
5638 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
5639 VEC_PACK_FIX_TRUNC_EXPR.
5641 * expr.c (expand_expr_real_1): Ditto.
5642 * tree-inline.c (estimate_num_insns_1): Ditto.
5643 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
5645 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
5646 (vec_unpacks_float_lo_v8hi): Ditto.
5647 (vec_unpacku_float_hi_v8hi): Ditto.
5648 (vec_unpacku_float_lo_v8hi): Ditto.
5649 (vec_unpacks_float_hi_v4si): Ditto.
5650 (vec_unpacks_float_lo_v4si): Ditto.
5651 (vec_pack_sfix_trunc_v2df): Ditto.
5653 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
5655 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
5656 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
5657 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
5658 [vec_pack_ufix_trunc]: Ditto.
5659 [vec_unpacks_float_hi]: Ditto.
5660 [vec_unpacks_float_lo]: Ditto.
5661 [vec_unpacku_float_hi]: Ditto.
5662 [vec_unpacku_float_lo]: Ditto.
5664 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
5666 * soft-fp/README: Update for new files.
5667 * soft-fp/floattisf.c: New file.
5668 * soft-fp/floattidf.c: New file.
5669 * soft-fp/floattitf.c: New file.
5670 * soft-fp/floatuntisf.c: New file.
5671 * soft-fp/floatuntidf.c: New file.
5672 * soft-fp/floatuntitf.c: New file.
5673 * soft-fp/fixsfti.c: New file.
5674 * soft-fp/fixdfti.c: New file.
5675 * soft-fp/fixtfti.c: New file.
5676 * soft-fp/fixunssfti.c: New file.
5677 * soft-fp/fixunsdfti.c: New file.
5678 * soft-fp/fixunstfti.c: New file.
5679 * soft-fp/extendxftf.c: New file.
5680 * soft-fp/trunctfxf.c: New file.
5682 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
5683 (__trunctfxf2): Ditto.
5685 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
5686 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
5687 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
5688 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
5689 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
5690 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
5692 * config/i386/t-fprules-softfp64: New file.
5693 * config/i386/sfp-machine.h: New file.
5694 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
5695 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
5696 and soft-fp/t-softfp to tmake_file.
5697 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
5698 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
5700 * config/i386/t-linux64 (softfp_wrap_start): New.
5701 (softfp_wrap_end): New.
5702 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
5703 supported for TARGET_64BIT.
5705 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5707 * c-common.c (c_common_signed_or_unsigned_type): Emulate
5708 c_common_unsigned_type behavior.
5710 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
5712 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
5715 2007-05-16 Eric Christopher <echristo@apple.com>
5717 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
5718 saving after stack push. Set sp_offset whenever we push.
5719 (rs6000_emit_epilogue): Move altivec register restore before
5722 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5724 * configure.ac: Allow sysroots to be relocated under $prefix as
5725 well as $exec_prefix.
5726 * configure: Regenerate.
5728 2007-05-16 Richard Sandiford <richard@codesourcery.com>
5732 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5734 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5735 (gcc_tooldir): Likewise.
5736 * configure: Regenerate.
5737 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5738 old configure.ac gcc_tooldir setting.
5739 (prefix_to_exec_prefix): New variable.
5740 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5741 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5743 2007-05-14 Janis Johnson <janis187@us.ibm.com>
5745 * c-typeck.c (build_binary_op): Return early for error.
5747 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5749 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
5750 struct nb_iter_bound.
5751 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
5752 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
5753 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
5754 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
5755 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
5756 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
5757 (del_scev_info): Use ggc_free.
5758 (scev_initialize): Allocate scalar_evolution_info in gc memory.
5759 * loop-init.c: Include ggc.h.
5760 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
5761 (loop_optimizer_finalize): Use ggc_free.
5762 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
5763 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
5764 pass_iv_optimize): Add TODO_ggc_collect.
5765 * function.h (struct function): Remove skip marker from
5767 * cfgloop.c: Include ggc.h.
5768 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
5770 (establish_preds): Vector superloops is gc allocated.
5771 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
5773 (flow_loops_find): Vector larray is gc allocated.
5774 (loop_exit_free): Use ggc_free.
5775 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
5776 that head of exits list is now not a part of struct loop.
5777 (record_loop_exits): Allocate exits table in gc memory.
5778 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
5779 that head of exits list is now not a part of struct loop.
5780 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
5781 struct loop_exit): Add GTY marker.
5782 (struct loop): Add GTY marker. Make superloops vector gc allocated.
5783 Add skip marker to aux field. Make head of exits list a separate
5785 (struct loops): Add GTY marker. Make larray vector gc allocated.
5786 Add param marker to exits table.
5787 (get_loops): Type changed.
5788 * Makefile.in (tree-scalar-evolution.o): Add
5789 gt-tree-scalar-evolution.h dependency.
5790 (cfgloop.o, loop-init.o): Add ggc.h dependency.
5791 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
5792 * basic-block.h (struct basic_block_def): Remove skip marker from
5795 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
5797 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
5798 of 0 in the call to expand_expr().
5799 (expand_builtin_mathfn_3): Ditto.
5800 (expand_builtin_interclass_mathfn): Ditto.
5801 (expand_builtin_cexpi): Ditto.
5802 (expand_builtin_int_roundingfn): Ditto.
5803 (expand_builtin_int_roundingfn_2): Ditto.
5804 (expand_builtin_pow): Ditto.
5805 (expand_builtin_powi): Ditto.
5806 (expand_builtin_bswap): Ditto.
5807 (expand_builtin_unop): Ditto.
5808 (expand_builtin_fabs): Ditto.
5809 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
5810 the call to expand_expr().
5811 (expand_builtin_sync_operation): Ditto.
5812 (expand_builtin_compare_and_swap): Ditto.
5813 (expand_builtin_lock_test_and_set): Ditto.
5814 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
5815 instead of 0 in the call to expand_expr().
5816 (expand_builtin_extract_return_addr): Ditto.
5817 (expand_builtin_eh_return): Ditto.
5818 (expand_eh_return): Ditto.
5819 * explow.c (expr_size): Ditto.
5820 * expr.c (optimize_bitfield_assignment_op): Ditto.
5821 (expand_assignement): Ditto.
5822 (store_expr): Ditto.
5823 (store_field): Ditto.
5824 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
5825 the call to expand_expr().
5826 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
5827 in the call to expand_expr().
5828 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
5829 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
5830 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
5832 * optabs.c (expand_vec_shift_expr): Ditto.
5833 (expand_vec_cond_expr): Ditto.
5834 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
5835 call to expand_expr().
5836 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
5837 in the call to expand_expr().
5839 2007-05-14 Dave Korn <dave.korn@artimi.com>
5841 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
5843 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
5845 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
5846 instead of c_common_unsigned_type.
5847 (c_common_unsigned_type): Remove.
5848 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
5849 c_common_unsigned_type.
5850 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
5851 c_common_unsigned_type.
5852 * c-common.h (c_common_unsigned_type): Remove.
5853 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
5854 c_common_unsigned_type.
5855 * c-format.c (check_format_types): Use unsigned_type_for instead of
5856 c_common_unsigned_type.
5857 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5858 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
5859 of c_common_unsigned_type.
5860 * convert.c (convert_to_integer): Use unsigned_type_for instead of
5861 lang_hooks.types.unsigned_type.
5862 * expmed.c (make_tree): Use unsigned_type_for instead of
5863 lang_hooks.types.unsigned_type.
5864 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
5865 lang_hooks.types.unsigned_type.
5866 (build_range_check): Likewise.
5867 (fold_unary): Likewise.
5868 (fold_binary): Likewise.
5869 (fold_ternary): Likewise.
5870 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
5871 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
5872 * tree.c (get_unsigned_type): New.
5873 (unsigned_type_for): Use get_unsigned_type instead of
5874 lang_hooks.types.unsigned_type.
5876 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
5878 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
5879 to m68k_get_function_kind. Update its prototype.
5880 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
5882 (m68k_interrupt_function_p): Return enum m68k_function_type
5883 instead of bool. Rename to m68k_get_function_kind.
5884 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
5886 (m68k_compute_frame_layout): Don't mark any register for save
5887 if an interrupt_thread attribute is specified.
5888 (m68k_hard_regno_rename_ok): Update a use of
5889 m68k_interrupt_function_p.
5890 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
5891 m68k_interrupt_function_p.
5892 (m68k_function_type): New.
5893 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
5894 for a function with an interrupt_thread attribute.
5895 * doc/extend.texi: Document the interrupt_thread attribute.
5897 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
5899 Fix PR tree-optimization/31911
5900 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5901 if they didn't change the expression.
5903 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
5905 * tree-scalar-evolution.c (resolve_mixers): Exported.
5906 * tree-scalar-evolution.h (resolve_mixers): Declare.
5907 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
5908 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
5909 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
5910 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
5911 init_array_ref, init_pointer_ref, analyze_indirect_ref,
5912 strip_conversion, analyze_offset_expr, address_analysis,
5913 object_analysis, analyze_offset): Removed.
5914 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
5915 split_constant_offset, canonicalize_base_object_address,
5916 object_address_invariant_in_loop_p, disjoint_objects_p,
5917 dr_may_alias_p, dr_address_invariant_p): New functions.
5918 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
5919 and dr_analyze_alias.
5920 (initialize_data_dependence_relation): Use dr_may_alias_p
5921 and object_address_invariant_in_loop_p.
5922 (compute_self_dependence): Handle the case when
5923 DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
5924 (find_data_references_in_stmt): Restrict the analysis of data
5925 references to the given loop nest.
5926 (find_data_references_in_loop): Made static. Pass loop nest to
5927 find_data_references_in_stmt.
5928 (compute_data_dependences_for_loop): Use DR_VOPS.
5929 (free_data_ref): Free DR_VOPS.
5930 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
5931 (struct innermost_loop_behavior): ... new.
5932 (struct base_object_info): Replaced by ...
5933 (struct indices): ... new.
5934 (struct dr_alias): New.
5935 (enum data_ref_type): Removed.
5936 (struct data_reference): Consist of struct innermost_loop_behavior,
5937 struct indices and struct dr_alias.
5938 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
5939 (DR_MEMTAG): Renamed to ...
5940 (DR_SYMBOL_TAG): ... this.
5941 (find_data_references_in_loop): Declaration removed.
5942 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
5943 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
5944 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
5945 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
5947 2007-05-13 Revital Eres <eres@il.ibm.com>
5949 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
5950 which walks virtual def-use chains to find redundant stores.
5951 (dse_optimize_stmt): Call it.
5953 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5955 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
5956 * passes.c (init_optimization_passes): Move pass_jump_bypass
5959 * basic-block.h (bb_has_eh_pred): Fix style issue.
5961 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
5963 PR rtl-optimization/31848
5964 * loop-invariant.c (move_invariant_reg): If we move an insn
5965 with a REG_EQUAL note, and that insn is not always executed,
5966 remove the REG_EQUAL note.
5968 2007-05-12 Richard Guenther <rguenther@suse.de>
5970 PR tree-optimization/31797
5971 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
5972 propagate into a stmt that has volatile ops.
5974 2007-05-12 Richard Sandiford <richard@codesourcery.com>
5976 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
5977 (gcc_tooldir): Likewise.
5978 * configure: Regenerate.
5979 * Makefile.in (libsubdir_to_prefix): New variable, based on the
5980 old configure.ac gcc_tooldir setting.
5981 (prefix_to_exec_prefix): New variable.
5982 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
5983 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
5985 2007-05-11 Silvius Rus <rus@google.com>
5987 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
5988 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
5989 * c-common.h (strict_aliasing_warning): Change return type.
5990 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
5991 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
5992 (build_c_cast): Condition call to strict_aliasing_warning.
5993 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
5994 * flags.h (set_Wstrict_aliasing): Declare.
5995 * opts.c (set_Wstrict_alising): Define, add call to.
5996 * tree-flow.h (strict_aliasing_warning_backend): Declare.
5997 * tree-ssa-alias-warnings.c: New file.
5998 * tree-ssa-alias.c (compute_may_aliases): Add call to
5999 strict_aliasing_warning_backend.
6001 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
6003 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
6004 Use loop_depth and loop_outer accessor functions.
6005 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
6006 determine_invariantness_stmt, move_computations_stmt): Ditto.
6007 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
6008 add_loop, loopify, unloop, fix_loop_structure): Ditto.
6009 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
6010 * tree-scalar-evolution.c (interpret_loop_phi,
6011 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
6012 instantiate_parameters_1, scev_const_prop): Ditto.
6013 * cfghooks.c (make_forwarder_block): Ditto.
6014 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
6015 * modulo-sched.c (loop_canon_p): Ditto.
6016 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
6017 slpeel_can_duplicate_loop_p): Ditto.
6018 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
6019 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
6020 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
6021 cancel_loop, verify_loop_structure): Ditto.
6022 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
6023 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
6024 superloops vector instead of "pred" array.
6025 (establish_preds): Take father loop as an argument. Initialize the
6027 (flow_loop_tree_node_add): Pass father loop to establish_preds.
6028 Do not initialize loop->outer.
6029 (flow_loop_tree_node_remove): Truncate the superloops vector.
6030 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
6031 "pred" merged to "superloops" vector.
6032 (loop_depth, loop_outer): New.
6033 (fel_init): Use loop_outer.
6035 2007-05-11 Jan Hubicka <jh@suse.cz>
6037 * cgraphunit.c: Include gt-cgraphunit.h
6038 (static_ctors, static_dtors): New static vars.
6039 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
6040 based on implementation in c-common.c
6041 (cgraph_finalize_function): Call record_cdtor_fn.
6042 (cgraph_optimize): Call cgraph_build_cdtor_fns.
6043 * decl.c (finish_function): Do not call c_record_cdtor_fn.
6044 (c_write_global_declarations): Do not call c_build_cdtor_fns.
6045 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
6046 build_cdtor, c_build_cdtor_fns): Remove.
6047 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
6048 c_build_cdtor_fns): Remove prototype.
6050 2007-05-11 Paolo Carlini <pcarlini@suse.de>
6053 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
6054 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
6055 * builtins.c (fold_builtin_memchr): New.
6056 (expand_builtin_memchr): Call the latter.
6057 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
6058 * doc/extend.texi ([Other built-in functions provided by GCC]):
6061 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
6063 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
6064 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
6065 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
6066 PFPO_OP1_TYPE_SHIFT): Constants added.
6067 (DFP_ALL): Mode macro defined.
6068 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
6069 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
6070 Insn definitions added.
6071 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
6072 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
6075 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
6077 PR tree-optimization/31885
6078 * tree-chrec.c (chrec_contains_undetermined): Do not consider
6079 NULL_TREE to be undetermined.
6080 (automatically_generated_chrec_p): Return false for NULL.
6082 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6084 * config/bfin/bfin.h (MOVE_RATIO): Define.
6086 2007-05-10 Richard Sandiford <richard@codesourcery.com>
6088 * config.gcc (sparc-wrs-vxworks): New target.
6089 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
6090 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
6091 * config/sparc/sparc.h: Include vxworks-dummy.h.
6092 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
6093 include LABEL_REFs too.
6094 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
6095 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
6097 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
6099 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
6100 (sparc_emit_call_insn): New function.
6101 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
6102 functions when generating VxWorks PIC.
6103 * config/sparc/sparc.md (vxworks_load_got): New pattern.
6104 (call, call_value): Use sparc_emit_call_insn instead of
6107 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6109 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
6111 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6113 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
6114 for floating-point values if HOST_BITS_PER_LONG > 32. Use
6115 split_double instead of operand_subword.
6117 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6119 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
6120 * config/bfin/bfin.c (bfin_local_alignment): New function.
6121 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
6123 2007-05-08 Chao-ying Fu <fu@mips.com>
6125 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
6126 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
6127 (smsub_widen_optab, umsub_widen_optab): Define.
6128 * optabs.c (init_optabs): Initialize smsub_widen_optab and
6130 * genopinit.c (optabs): Fill in smsub_widen_optab and
6132 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
6133 and umsub_widen_optab to implement multiply-subtract sequences.
6134 * config/mips/mips.md (*msac<u>_di): Rename to...
6135 (<u>msubsidi4): ...this. Extend condition to include
6136 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6137 of operand 0 to "ka" and use the three-operand form of msub<u>
6139 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
6142 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
6144 PR rtl-optimization/28011
6145 * reload.c (push_reload): Set dont_share if IN appears in OUT
6146 also when IN is a PLUS rtx.
6147 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
6150 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
6152 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
6153 call unshare_all_decls.
6154 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
6155 (unshare_all_decls): Remove.
6157 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
6160 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
6163 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
6164 Nigel Stephens <nigel@mips.com>
6166 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
6167 Update comments and all uses.
6168 (MIN_FPRS_PER_FMT): Define.
6169 * config/mips/mips.c (function_arg): Fix to correctly handle
6170 the -mips32r2 -mfp64 -mabi=32 case.
6171 (override_options): Enable use of odd-numbered registers for
6172 SFmode values on MIPS32.
6173 (mips_save_reg_p): Save whole floating-point register pair if
6174 either half is used.
6175 (compute_frame_size): Fix comment.
6177 2007-05-08 Jie Zhang <jie.zhang@analog.com>
6179 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
6180 argument of type bool.
6181 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
6182 argument. Safely select temporary P register according to it.
6183 (do_link): Change call site of add_to_reg accordingly.
6184 (do_unlink): Add epilogue_p as a fourth argument and pass it
6186 (expand_interrupt_handler_epilogue): Change call of do_unlink
6188 (bfin_expand_prologue): Add a third argument sibcall_p.
6189 * config/bfin/bfin.md (epilogue): Change call of
6190 bfin_expand_epilogue accordingly.
6191 (sibcall_epilogue): Likewise.
6192 (eh_return_internal): Likewise.
6194 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
6195 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
6196 * config/bfin/bfin.c (bfin_handle_option): Handle
6197 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
6198 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
6199 Support bf534, bf536 and bf561.
6200 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
6202 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
6205 * config/i386/i386.c (ix86_function_regparm): Process local
6206 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
6208 2007-05-07 Mike Stump <mrs@apple.com>
6210 * doc/invoke.texi (Warning Options): Document that -Wempty-body
6211 also checks for and while statements in C++.
6213 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
6215 * gcc.c (at_file_supplied): New variable.
6216 (main): Set it if we expanded argv.
6217 (do_spec_1): Pass an @-file to the linker if we were called with
6218 an @-file argument and HAVE_GNU_LD.
6219 * collect2.c (at_file_supplied): New variable.
6220 (response_file): New variable.
6221 (collect_exit): Unlink response_file if necessary.
6222 (handler): Likewise.
6223 (do_wait): Likewise.
6224 (main): Set at_file_supplied if we expanded argv.
6225 (collect_execute): Pass an @-file to subprocesses if we were called
6226 with an @-file argument.
6227 * configure.ac: Add define for HAVE_GNU_LD.
6228 * configure: Regenerate.
6229 * config.in: Regenerate.
6231 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
6233 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
6239 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
6241 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
6242 (TARGET_ENCODE_SECTION_INFO): Re-define.
6243 (m32c_encode_section_info): New
6244 (function_vector_handler): New
6245 (current_function_special_page_vector): New
6246 (m32c_special_page_vector_p): New.
6247 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
6249 * config/m32c/jump.md: Added instruction JSRS for functions
6250 with attribute "function_vector".
6251 * doc/extend.texi (function_vector): Added description
6252 for M16C, M32C targets.
6254 2007-05-07 DJ Delorie <dj@redhat.com>
6257 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
6258 ashrpsi3, lshrpsi3): Update shift count constraint.
6260 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
6261 Nathan Froyd <froydnj@codesourcery.com>
6264 * c-incpath.c (add_path): Strip trailing path separators.
6266 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
6268 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
6269 Free dominance info before purging EH edges.
6270 (eliminate_degenerate_phis): Likewise.
6271 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
6273 2007-05-07 Jan Hubicka <jh@suse.cz>
6275 * gimplify.c (gimplify_expr): Do not crash when folding
6276 (void *)(int)&a + 4.
6278 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
6281 * c-opts.c (lang_fortran): Make it non static.
6282 * c-common.h (lang_fortran): New prototype.
6283 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
6284 -lang-fortran option was passed by the driver.
6286 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
6288 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
6289 of ASSERT_CHECKING. Tweak message.
6291 2007-05-06 Revital Eres <eres@il.ibm.com>
6294 * loop-unroll.c (insert_var_expansion_initialization):
6295 Initialize the expansions with -zero instead of +zero.
6297 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
6299 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
6300 into pic and non-pic versions. Mark r19 as used for
6301 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
6302 for tgd_load, tld_load and tie_load .
6303 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
6304 version of tgd_load, tld_load and tie_load depending on the
6307 2007-05-04 Ulrich Drepper <drepper@redhat.com>
6308 Jakub Jelinek <jakub@redhat.com>
6310 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
6311 (__do_global_dtors_aux): Use more paranoid loop to run
6312 destructors if HIDDEN_DTOR_LIST_END.
6313 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
6315 2007-05-04 Jakub Jelinek <jakub@redhat.com>
6317 * varasm.c (align_variable): Don't increase alignment for
6318 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
6319 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
6321 2007-05-04 Josh Conner <jconner@apple.com>
6323 * basic-block.h (cdi_direction): Assign values to all enumeration
6325 (dom_computed): Remove.
6326 (dom_info_state): New.
6327 (set_dom_info_availability): New.
6328 * tree-ssa-loop-im.c (determine_invariantness): Initialize
6329 walk_data.dom_direction.
6330 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
6331 instead of dom_computed[].
6332 (split_edge): Likewise.
6333 (create_basic_block): Likewise.
6334 (merge_blocks): Likewise.
6335 * ifcvt.c (find_if_header): Likewise.
6336 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
6337 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
6338 * tree-ssa.c (verify_ssa): Likewise.
6339 * tree-cfg.c (tree_verify_flow_info): Likewise.
6340 (remove_edge_and_dominated_blocks): Likewise.
6341 * dominance.c (dom_computed): Make static.
6342 (calc_dfs_tree_nonrec): Change third param to a bool.
6343 (calc_dfs_tree): Change second param to a bool.
6344 (calc_idioms): Change second param to a bool. Use
6345 dom_convert_dir_to_idx.
6346 (init_dom_info): Validate dir before using.
6347 (dom_convert_dir_to_idx): New.
6348 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
6349 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
6350 (free_dominance_info): Use dom_convert_dir_to_idx.
6351 (get_immediate_dominator): Likewise.
6352 (set_immediate_dominator): Likewise.
6353 (get_dominated_by): Likewise.
6354 (redirect_immediate_dominators): Likewise.
6355 (nearest_common_denominator): Likewise.
6356 (dominated_by_p): Likewise.
6357 (bb_dom_dfs_in): Likewise.
6358 (bb_dom_dfs_out): Likewise.
6359 (recount_dominator): Likewise.
6360 (iterate_fix_dominators): Likewise.
6361 (add_to_dominance_info): Likewise.
6362 (delete_from_dominance_info): Likewise.
6363 (first_dom_son): Likewise.
6364 (next_dom_son): Likewise.
6365 (dom_info_available_p): Likewise.
6366 (dom_info_state): New.
6367 (set_dom_info_availability): New.
6369 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6371 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
6373 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
6375 2007-05-04 Bob Wilson <bob.wilson@acm.org>
6377 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
6378 (subdi3, subdi_carry): Delete.
6380 2007-05-04 Jan Hubicka <jh@suse.cz>
6381 Richard Guenther <rguenther@suse.de>
6383 * opts.c (decode_options): Do not fiddle with inlining
6384 parameters in case of optimizing for size.
6385 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
6386 for size do nothing.
6387 (cgraph_decide_inlining_of_small_function): When optimizing for
6388 size never inline functions increasing caller size.
6389 (cgraph_early_inlining): Inline for size when optimizing for size.
6391 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
6393 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
6394 logical operations piecewise.
6395 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
6396 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
6397 subdi_sesidi_di): Delete.
6398 (add_with_carry): Produce carry in CC instead of a DREG to shorten
6399 the generated sequence. Allow three-reg add in constraints. Rewrite
6400 the rtl expression for carry to avoid zero_extend of a constant.
6401 (sub_with_carry): New pattern.
6402 (adddi3, subdi3): Change into define_expand. For subtract, generate a
6403 different sequence not involving jumps.
6404 (notbi): Now a named pattern.
6406 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
6408 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
6409 Add the note about a significant loss of accuracy of some
6410 mathematical routines when these options are used.
6412 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6414 * haifa-sched.c (rtx_vec_t): New typedef.
6415 (contributes_to_priority_p): Extract piece of priority () into new
6417 (priority): Use the function. Add assertion.
6418 (rank_for_schedule, set_priorities): Add assertion to check that
6419 insn's priority is initialized.
6420 (clear_priorities, calc_priorities): Change signature. Make it update
6421 all relevant insns. Update all callers ('add_to_speculative_block ()'
6422 and 'create_block_check_twin ()').
6423 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
6424 Add new field 'priority_status'.
6425 (INSN_PRIORITY_STATUS): New macro.
6426 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
6428 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6430 * sched-ebb.c (debug_ebb_dependencies): New static function.
6431 (init_ready_list): Use it.
6433 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
6434 with changed signature and 'debug_rgn_dependencies ()'.
6435 (debug_rgn_dependencies): New static function.
6436 (init_ready_list): Use it.
6438 * sched-int.h (debug_dependencies): Declare.
6440 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
6442 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
6444 2007-05-04 Dirk Mueller <dmueller@suse.de>
6446 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
6448 2007-05-03 Jan Hubicka <jh@suse.cz>
6450 * fold-const.c (fold_unary): Convert (T1)(X op Y) into
6451 ((T1)X op (T1)Y), for pointer type in more cases than before.
6453 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
6455 * tree-object-size.c (plus_expr_object_size): When operand size is
6456 unknown, return unknown.
6458 2007-05-03 Dirk Mueller <dmueller@suse.de>
6460 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
6462 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
6465 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
6467 2007-05-03 Janis Johnson <janis187@us.ibm.com>
6469 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
6471 2007-05-03 Joseph Myers <joseph@codesourcery.com>
6473 * config/soft-fp/double.h, config/soft-fp/extended.h,
6474 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
6475 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
6476 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
6477 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
6480 2007-05-03 Ian Lance Taylor <iant@google.com>
6482 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
6483 MASK_PPC_GFXOPT for 8540 or 8548.
6485 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6487 * tree-vect-transform.c (vect_update_inits_of_drs): Use
6488 vect_print_dump_info() to output debug information.
6490 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
6493 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
6494 operands of size 2 when operand is not MEM_P.
6496 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6498 PR tree-optimization/30565
6499 * lambda-code.c (perfect_nestify): Fix updating of dominators.
6501 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
6503 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
6504 (umulsi3_highpart): Use them.
6505 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
6506 for final accumulator to D regisster tranfser.
6508 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
6510 PR tree-optimization/31699
6511 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
6513 (vect_enhance_data_refs_alignment): Compute peel amount using
6514 TYPE_VECTOR_SUBPARTS instead of vf.
6515 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
6517 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
6520 * system.h: Remove inclusion of double-int.h
6521 * tree.h: Include double-int.h
6522 * gengtype.c: Likewise
6523 * cfgloop.h: Likewise
6524 * Makefile.in: Adjust dependencies on double-int.h
6526 2007-05-02 Eric Christopher <echristo@apple.com>
6528 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
6529 -shared to -Zdynamiclib.
6531 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
6534 * c-common.c (strip_pointer_or_array_types): New function.
6535 * c-common.h (strip_pointer_or_array_types): New function declaration.
6537 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
6539 PR tree-optimization/31771
6540 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
6542 2007-05-02 Paul Brook <paul@codesourcery.com>
6544 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
6546 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6549 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
6552 2007-05-02 Nick Clifton <nickc@redhat.com>
6554 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
6556 2007-05-02 Richard Guenther <rguenther@suse.de>
6558 PR tree-optimization/31146
6559 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
6560 argument, single_use_p. If we have a single use that is
6561 a conversion to the definition rhs type, propagate that rhs.
6562 (forward_propagate_addr_expr): Pass single_use_p argument
6563 to forward_propagate_addr_expr_1.
6565 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
6567 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
6570 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6572 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
6573 'AMD Family 10 core'.
6575 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6577 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
6578 and athlon64-sse3 as improved versions of k8, opteron and athlon64
6579 with SSE3 instruction set support.
6580 * doc/invoke.texi: Likewise.
6582 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
6584 * config/i386/i386.c (override_options): Tuning 32-byte loop
6585 alignment for amdfam10 architecture. Increasing the max loop
6586 alignment to 24 bytes.
6588 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
6590 * config/m68k/constraints.md: New.
6591 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
6592 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
6593 EXTRA_CONSTRAINT): Remove.
6594 * config/m68k/m68k.md: Include constraints.md.
6595 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
6597 2007-05-01 Ian Lance Taylor <iant@google.com>
6599 PR tree-optimization/31739
6600 * tree-vrp.c (vrp_val_is_max): New static function.
6601 (vrp_val_is_min): New static function.
6602 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
6604 (set_value_range): Use vrp_val_is_{max,min}.
6605 (extract_range_from_assert): Likewise.
6606 (extract_range_from_binary_expr): Likewise.
6607 (extract_range_from_unary_expr): Likewise.
6608 (dump_value_range, vrp_meet): Likewise.
6609 (vrp_visit_phi_node): Likewise.
6610 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
6612 2007-05-01 Mark Mitchell <mark@codesourcery.com>
6614 * config/i386/gmon-sol2.c (size_t): New type.
6615 (intptr_t): Likewise.
6616 (s_textsize): Declare as size_t.
6618 (monstartup): Use size_t for sizes.
6619 (_mcount): Save and restore registers.
6620 (internal_mcount): Pass 0 as the first argument to monstartup
6622 (moncontrol): Convert pointer to appropriately sized integer
6623 before passing to profil.
6625 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6627 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
6628 __NO_FPRS__, not just if _SOFT_DOUBLE.
6629 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
6630 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
6631 also for E500 double.
6632 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
6633 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
6636 2007-05-01 Richard Guenther <rguenther@suse.de>
6638 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
6641 2007-05-01 Joseph Myers <joseph@codesourcery.com>
6643 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
6645 2007-05-01 Jan Hubicka <jh@suse.cz>
6647 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
6650 2007-05-01 Jan Hubicka <jh@suse.cz>
6652 * tree.h (maybe_fold_offset_to_component_ref): Remove.
6653 (maybe_fold_offset_to_reference): Declare.
6654 * fold-const.c (fold_unary): Do not fold
6655 (type *)&A into &A->field_of_type_and_offset_0
6656 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
6657 size is unknown, give up.
6658 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
6660 (maybe_fold_offset_to_reference): New.
6661 (maybe_fold_stmt_indirect): Use it.
6662 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
6663 * gimplify.c (gimplify_conversion): Canonicalize conversions to
6665 (gimplify_expr): Likewise for plus_expr.
6667 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6669 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
6670 bsi_after_labels. Always insert statements before bsi.
6671 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
6672 * predict.c (apply_return_prediction): Check for empty blocks.
6673 * cfgexpand.c (lab_rtx_for_bb): New variable.
6674 (label_rtx_for_bb): Do not create new tree labels.
6675 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
6676 (tree_expand_cfg): Initialize lab_rtx_for_bb.
6677 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
6679 (label_for_bb): Add field used.
6680 (update_eh_label, main_block_label): Mark the label used.
6681 (cleanup_dead_labels): Remove unused labels.
6683 2007-05-01 Richard Guenther <rguenther@suse.de>
6685 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
6686 if it is not about to be set.
6687 (get_value_range): Do not pre-allocate equiv bitmap.
6688 (update_value_range): No need to clear equiv field.
6689 (add_equivalence): Change prototype to get bitmap pointer.
6690 Allocate bitmap here if it is not already.
6691 (extract_range_from_assert): Do not allocate bitmap here.
6692 Update callers to add_equivalence.
6693 (extract_range_from_ssa_name): Likewise.
6694 (get_vr_for_comparison): New static helper.
6695 (compare_name_with_value): Handle NULL equiv bitmap by
6696 peeling the first iteration of the comparison loop.
6697 Use get_vr_for_comparison.
6698 (compare_names): Handle NULL equiv bitmaps by using fake
6699 ones. Use get_vr_for_comparison.
6701 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
6703 * double-int.c (mpz_set_double_int): Moved from
6704 tree-ssa-loop-niter.c.
6705 (mpz_get_double_int): Likewise; also, add option to wrap
6706 out-of-range integers.
6707 * double-int.h: New prototypes for above.
6708 * tree.c (get_static_type_bounds): Moved from
6709 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
6710 TYPE_MAX_VALUE if they exist..
6711 * tree.h: New prototype for above.
6712 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
6713 get_type_bounds calls.
6714 (mpz_set_double_int): Move to double-int.c.
6715 (get_type_bounds): Move to tree.c, rename to
6716 get_static_type_bounds.
6717 (mpz_to_double_int): Move to double-int.c, rename to
6720 2007-04-30 Bob Wilson <bob.wilson@acm.org>
6722 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
6723 DIV0 exception can fall through to a normal return.
6725 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
6729 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
6730 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
6731 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6732 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
6733 initialize align to silence bogus warning.
6734 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
6735 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
6737 (struct sra_walk_fns): Remove use_all parameter from use.
6738 (sra_hash_tree): Handle BIT_FIELD_REFs.
6739 (sra_elt_hash): Don't hash bitfld blocks.
6740 (sra_elt_eq): Skip them in parent compares as well. Handle
6742 (sra_walk_expr): Don't maintain or pass down use_all_p.
6743 (scan_use): Remove use_all parameter.
6744 (scalarize_use): Likewise. Re-expand assignment to
6745 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
6746 output, and re-scalarize after output. Don't mark anything
6748 (scalarize_ldst): Adjust.
6749 (scalarize_walk_gimple_modify_statement): Likewise.
6750 (build_element_name_1): Handle BIT_FIELD_REFs.
6751 (instantiate_element): Don't warn for any element whose parent
6753 (instantiate_missing_elements_1): Return the sra_elt.
6754 (canon_type_for_field): New.
6755 (try_instantiate_multiple_fields): New.
6756 (instantiate_missing_elemnts): Use them.
6757 (mark_no_warning): Removed.
6758 (generate_one_element_ref): Handle BIT_FIELD_REFs.
6759 (REPLDUP, sra_build_elt_assignment): New.
6760 (generate_copy_inout): Use them.
6761 (generate_element_copy): Likewise. Handle bitfld differences.
6762 (generate_element_zero): Don't recurse for blocks. Use
6763 sra_build_elt_assignment.
6764 (generate_one_element_int): Take elt instead of var. Use
6765 sra_build_elt_assignment.
6766 (generate_element_init_1): Adjust.
6767 (scalarize_use, scalarize_copy): Use REPLDUP.
6768 (scalarize_ldst): Move assert before dereference.
6769 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
6771 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
6774 * tree.c (reconstruct_complex_type): Reconstruct a reference
6776 Also use the same mode for the pointer as the old pointer type.
6778 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6780 * doc/trouble.texi (Interoperation): Remove note about Ultrix
6783 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
6785 PR rtl-optimization/31676
6786 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
6787 (df_refs_record): Call it.
6789 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
6791 * rtl.def (SS_ABS): New code.
6792 * config/bfin/bfin.c (print_operand): New modifier 'v'.
6793 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
6794 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
6795 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
6796 (bfin_init_builtins): Define them.
6797 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
6798 (bfin_expand_builtin): ... and handle the others here.
6799 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
6800 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
6801 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
6802 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
6803 operand is only HImode.
6805 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
6807 * regclass.c (scan_one_insn): Remove splitting of
6810 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
6811 Nigel Stephens <nigel@mips.com>
6813 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
6815 2007-04-28 Jan Hubicka <jh@suse.cz>
6817 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
6818 insn_locators_alloc instead of insn_locators_initialize;
6819 call reset_block_changes.
6820 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
6821 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
6822 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
6823 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
6824 * config/score/score.c (th_output_mi_thunk): Likewise.
6825 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
6826 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
6827 tolerate uninitialized locator info.
6830 * function.c (init_function_start): Don't init line number info.
6831 (expand_function_end): Update.
6832 (reset_block_changes, record_block_change, finalize_block_changes,
6833 check_block_change, free_block_changes): Kill.
6834 * function.h (reset_block_changes, record_block_change,
6835 finalize_block_changes, check_block_change, free_block_changes):
6837 (struct function): Remove ib_boundaries_block.
6838 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
6839 Use curr_insn_locator to initialize locator.
6840 (emit_line_note): Remove.
6841 * cfgexpand.c (expand_gimple_cond_expr): Update.
6842 (construct_exit_block): Likewise.
6843 (tree_expand_cfg): Initialize/finalize locators.
6844 * expr.c (expand_expr_real): Update.
6845 * cfglayout.c (line_locators_locs, line_locators_lines,
6846 file_locators_locs, file_locators_files): Remove.
6847 (set_block_levels): Move to cfgexpand.c.
6848 (insn_locators_initialize): Remove.
6849 (pass_insn_locators_initialize): Remove.
6850 (locations_locators_locs, locations_locators_vals): New static vars.
6851 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
6853 (insn_locators_alloc, insn_locators_finalize,
6854 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6856 (locator_location): New.
6857 (locator_line, locator_file): Rewrite.
6858 * rtl.h (emit_line_note): Kill.
6859 (insn_locators_alloc, insn_locators_finalize,
6860 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
6862 * tree-inline.c (initialize_cfun): Do not initialize
6863 ib_boundaries_block.
6864 * passes.c (pass_insn_locators_initialize): Remove.
6866 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
6868 * tree-cfg.c (move_block_to_fn): Release bb from dominance
6869 info. Update last_basic_block correctly.
6871 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
6874 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
6875 register itself to hold the offset constant. Tell flow the use
6876 of r4 and r5 when they are used.
6878 2007-04-27 Richard Guenther <rguenther@suse.de>
6880 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
6881 if we simplified anything.
6882 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
6883 warnings until we did a simplification and the stmt was not
6884 marked as TREE_NO_WARNING.
6886 2007-04-27 Mike Stump <mrs@apple.com>
6888 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
6890 2007-04-27 Ian Lance Taylor <iant@google.com>
6893 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
6894 TYPE_MAX_VALUE exist, convert them to the new type.
6896 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6898 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
6899 if it claims to be available.
6900 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
6902 (perform_tree_ssa_dce): Always free postdominators.
6904 2007-04-27 Richard Henderson <rth@redhat.com>
6906 * config/alpha/predicates.md (aligned_memory_operand): Mark
6907 as define_special_predicate.
6908 (unaligned_memory_operand, normal_memory_operand): Likewise.
6909 (reg_or_unaligned_mem_operand): Remove.
6910 (any_memory_operand): Match the documentation and check for
6911 non-renumbered pseudos during reload.
6912 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
6913 alpha_secondary_reload_class, update to new interface, make static.
6914 Handle CQImode like HImode. Remove FP subreg check.
6915 (alpha_expand_mov): Use replace_equiv_address.
6916 (alpha_expand_mov_nobwx): Use any_memory_operand.
6917 (TARGET_SECONDARY_RELOAD): New.
6918 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
6919 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
6920 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
6921 * config/alpha/alpha.md: ... here.
6922 (RELOAD12, reloadmode): New.
6924 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
6925 Don't handle the aligned case here.
6926 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
6927 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
6928 reload_inhi_help. Don't expect a scratch register.
6929 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
6931 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
6933 2007-04-27 Richard Guenther <rguenther@suse.de>
6935 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
6937 2007-04-27 Richard Guenther <rguenther@suse.de>
6939 PR tree-optimization/30965
6940 PR tree-optimization/30978
6941 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
6942 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
6943 (find_equivalent_equality_comparison): Likewise.
6944 (simplify_cond): Likewise.
6945 (get_prop_source_stmt): New helper.
6946 (get_prop_dest_stmt): Likewise.
6947 (can_propagate_from): Likewise.
6948 (remove_prop_source_from_use): Likewise.
6949 (combine_cond_expr_cond): Likewise.
6950 (forward_propagate_comparison): New function.
6951 (forward_propagate_into_cond): Rewrite to use fold for
6953 (tree_ssa_forward_propagate_single_use_vars): Call
6954 forward_propagate_comparison to propagate comparisons.
6956 2007-04-27 Richard Guenther <rguenther@suse.de>
6958 PR tree-optimization/31715
6959 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
6960 sure to do computation on the offset in an appropriate
6963 2007-04-27 Richard Sandiford <richard@codesourcery.com>
6965 * reload.h (elimination_target_reg_p): Declare.
6966 * reload.c (find_reloads): Don't apply the reg_rtx move
6967 optimization if the SET_DEST satisfies elimination_target_reg_p.
6968 * reload1.c (elimination_target_reg_p): New function.
6969 (gen_reload): In the move/add2 fallback, make sure that op0
6970 does not overlap the destination register.
6972 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
6974 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
6975 transform only GIMPLE_MODIFY_STMTs.
6976 * tree-complex.c (expand_complex_operations_1): Ditto.
6977 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
6978 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
6979 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
6981 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
6982 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
6983 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
6984 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
6985 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
6986 slpeel_add_loop_guard): Ditto.
6987 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
6988 * lambda-code.c (perfect_nestify): Ditto.
6989 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
6990 before the first statement.
6991 * tree-optimize.c (execute_free_datastructures): Fix comments.
6992 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
6993 * tree-flow.h (disband_implicit_edges): Declaration removed.
6994 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
6996 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
6997 COND_EXPRs without gotos.
6998 (disband_implicit_edges, has_label_p): Removed.
6999 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
7000 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
7002 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
7004 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
7005 also for COND_EXPRs.
7006 * cfgexpand.c (label_rtx_for_bb): New function.
7007 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
7008 Use label_rtx_for_bb to find the labels.
7009 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
7010 last block. Detect fallthru edges.
7012 2007-04-26 Ian Lance Taylor <iant@google.com>
7015 * reload.c (find_reloads_subreg_address): If the address was valid
7016 in the original mode but not in the new mode, reload the whole
7019 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
7021 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
7022 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
7023 (cleanup_control_expr_graph): Do not invalidate dominance info.
7024 Record altered blocks.
7025 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
7026 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
7027 cleanup_tree_cfg_bb): New functions.
7028 (remove_forwarder_block): Do not maintain the worklist of blocks.
7029 Record altered blocks.
7030 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
7032 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
7033 delete_unreachable_blocks if dominators are not available.
7034 * tree-inline.c (optimize_inline_calls): Free dominance information
7036 * tree-flow.h (remove_edge_and_dominated_blocks,
7037 cfgcleanup_altered_bbs): Altered.
7038 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
7040 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
7042 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
7043 do not invalidate dominators.
7045 2007-04-26 Anatoly Sokolov <aesok@post.ru>
7047 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
7048 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
7049 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7050 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7052 2007-04-26 Steve Ellcey <sje@cup.hp.com>
7054 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
7056 2007-04-26 Richard Guenther <rguenther@suse.de>
7058 PR tree-optimization/31703
7059 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
7060 the right type for the target of the bittest.
7062 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7064 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
7065 ix86_sol10_return_in_memory.
7067 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7069 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
7072 2007-04-26 Jakub Jelinek <jakub@redhat.com>
7075 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
7077 PR tree-optimization/30558
7078 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
7079 clear this_state.prev_try.
7081 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7082 Mark Mitchell <mark@codesourcery.com>
7084 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
7085 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
7086 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
7088 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7091 * doc/invoke.texi (%:print-asm-header): Document.
7092 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
7094 (static_spec_functions): Add print-asm-header.
7095 (main): Print a banner before the --target-help linker options.
7096 (print_asm_header_spec_function): New function.
7098 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
7101 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
7102 (movsf_ie): Likewise.
7104 2007-04-25 Paolo Carlini <pcarlini@suse.de>
7106 * doc/extend.texi ([Type Traits]): Adjust per N2255.
7108 2007-04-25 Bob Wilson <bob.wilson@acm.org>
7110 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
7111 exception for divide-by-zero.
7112 (__umodsi3, __modsi3): Likewise.
7114 2007-04-25 Dirk Mueller <dmueller@suse.de>
7116 * c-typeck.c (build_compound_expr): Annotate warning()
7117 call with OPT_Wunused_value.
7118 * tree-ssa.c (warn_uninit): Annotate warning with
7120 * c-common.c (handle_sentinel_attribute): Annotate warning
7121 call with OPT_Wattributes.
7123 2007-04-25 Thiemo Seufer <ths@mips.com>
7125 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
7127 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
7128 on to the assembler. Improve handling of -mno-mips16. Add handling
7129 of -mno-mips3d, -mno-dsp, -mno-dspr2.
7130 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
7131 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
7132 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
7134 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
7137 * config/i386/winnt.c (i386_pe_file_end): Strip only
7138 USER_LABEL_PREFIX when writing export name.
7140 2007-04-25 Richard Sandiford <richard@codesourcery.com>
7142 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
7143 sh/elf.h, vx-common.h and vxworks.h.
7144 * config/sh/sh.h: Include config/vxworks-dummy.h.
7145 (SUBTARGET_OVERRIDE_OPTIONS): Define.
7146 (OVERRIDE_OPTIONS): Use it.
7147 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
7148 (vxworks_picreg): New pattern.
7149 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
7150 VXWORKS_OS_CPP_BUILTINS.
7151 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
7152 to their VXWORKS_* equivalents.
7153 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
7154 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
7155 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
7156 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
7157 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
7158 -mrtp/-fPIC multilibs.
7159 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
7160 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
7161 (MULTILIB_OSDIRNAMES): Delete.
7163 2007-04-25 Anatoly Sokolov <aesok@post.ru>
7166 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
7168 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
7170 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
7171 rounding mode to be specified by the caller.
7172 (real_to_mpfr) Likewise.
7173 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
7174 include new arguments.
7175 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
7177 2007-04-24 Ian Lance Taylor <iant@google.com>
7179 PR tree-optimization/31605
7180 * tree-vrp.c (set_value_range): Check that min and max are not
7181 both overflow infinities.
7182 (set_value_range_to_value): New static function.
7183 (extract_range_from_binary_expr): Call set_value_range_to_value.
7184 (extract_range_from_cond_expr): Likewise.
7185 (extract_range_from_expr): Likewise.
7186 (extract_range_from_unary_expr): Likewise. Don't create a range
7187 which overflows on both sides.
7188 (vrp_meet): Check for a useless range.
7189 (vrp_visit_phi_node): If we see a constant which looks like an
7190 overflow infinity, turn off the TREE_OVERFLOW flag.
7192 2007-04-24 Ian Lance Taylor <iant@google.com>
7194 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
7196 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
7199 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
7200 diagnostic message is being built.
7201 * tree-pretty-print.c (dump_generic_node): Only write the
7202 formatted text into BUFFER's stream if we are not building a
7204 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
7206 * Makefile.in (toplev.o): Depend on tree-pass.h.
7208 2007-04-24 Ian Lance Taylor <iant@google.com>
7210 PR tree-optimization/31602
7211 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
7212 conditionals in the copied loop header.
7213 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
7214 warnings if TREE_NO_WARNING is set.
7215 * doc/invoke.texi (Warning Options): Clarify that
7216 -Wstrict-overflow does not warn about loops.
7218 2007-04-24 Janis Johnson <janis187@us.ibm.com>
7220 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
7221 expand on the comment about _Decimal128 arguments and check the
7222 integer result of the modulus operation; for 64-bit ELF ABI, ensure
7223 that _Decimal128 argument uses even/odd register pair.
7224 (function_arg): Ditto.
7226 2007-04-24 Hui-May Chang <hm.chang@apple.com>
7228 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
7229 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
7231 2007-04-24 Richard Guenther <rguenther@suse.de>
7232 Olga Golovanevsky <olga@il.ibm.com>
7234 * fold-const.c (multiple_of_p): Check for bottom
7237 2007-04-24 Richard Henderson <rth@redhat.com>
7239 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
7240 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
7241 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
7242 looking for non-zero bits shifted out. Avoid a recursive call
7243 when constructing the scalar.
7244 (__floatundisf): Likewise.
7246 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
7248 * dwarf2out.c (field_byte_offset): Move the existing logic
7249 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
7250 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
7252 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
7255 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
7256 length argument of 0 for memset.
7257 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
7258 unsigned shift instead of the signed variant.
7260 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
7262 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
7263 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
7264 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
7265 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7266 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
7267 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
7268 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
7269 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
7270 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
7271 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
7272 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
7273 "mul<mode>3", "div<mode>3"): Insn definitions added.
7274 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
7275 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
7276 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
7277 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
7278 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
7279 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
7280 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
7281 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
7282 TARGET_FLOAT_FORMAT): Macro definitions removed.
7283 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
7284 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
7285 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
7286 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
7287 (s390_gen_rtx_const_DI): Function removed.
7288 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
7290 2007-04-24 Richard Sandiford <richard@codesourcery.com>
7292 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
7293 over an external ffs function.
7295 2007-04-24 Chao-ying Fu <fu@mips.com>
7296 Richard Sandiford <richard@nildram.co.uk>
7298 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
7299 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
7300 (smadd_widen_optab, umadd_widen_optab): Define.
7301 * optabs.c (init_optabs): Initialize smadd_widen_optab and
7303 * genopinit.c (optabs): Fill in smadd_widen_optab and
7305 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
7306 and umadd_widen_optab to implement multiply-add sequences.
7307 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
7308 (<u>maddsidi4): ...this. Extend condition to include
7309 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
7310 of operand 0 to "ka" and use the three-operand form of madd<u>
7312 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
7314 * config/mips/constraints.md (ka): New register constraint.
7316 2007-04-24 Jan Hubicka <j@suse.cz>
7320 2007-04-23 Jan Hubicka <jh@suse.cz>
7321 * function.c (init_function_start): Don't init line number info.
7322 (expand_function_end): Update.
7323 (reset_block_changes, record_block_change, finalize_block_changes,
7324 check_block_change, free_block_changes): Kill.
7325 * function.h (reset_block_changes, record_block_change,
7326 finalize_block_changes, check_block_change, free_block_changes):
7328 (struct function): Remove ib_boundaries_block.
7329 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7330 Use curr_insn_locator to initialize locator.
7331 (emit_line_note): Remove.
7332 * cfgexpand.c (expand_gimple_cond_expr): Update.
7333 (construct_exit_block): Likewise.
7334 (tree_expand_cfg): Initialize/finalize locators.
7335 * expr.c (expand_expr_real): Update.
7336 * cfglayout.c (line_locators_locs, line_locators_lines,
7337 file_locators_locs, file_locators_files): Remove.
7338 (set_block_levels): Move to cfgexpand.c.
7339 (insn_locators_initialize): Remove.
7340 (pass_insn_locators_initialize): Remove.
7341 (locations_locators_locs, locations_locators_vals): New static vars.
7342 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7344 (insn_locators_alloc, insn_locators_finalize,
7345 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7347 (locator_location): New.
7348 (locator_line, locator_file): Rewrite.
7349 * rtl.h (emit_line_note): Kill.
7350 (insn_locators_alloc, insn_locators_finalize,
7351 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7353 * tree-inline.c (initialize_cfun): Do not initialize
7354 ib_boundaries_block.
7355 * passes.c (pass_insn_locators_initialize): Remove.
7357 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
7359 * doc/invoke.texi: Removed leading '-' from option index entries.
7361 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
7363 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
7365 (create_phi_node): Use set_phi_nodes.
7366 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
7367 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
7368 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
7369 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
7370 (bsi_start, bsi_last): Use bb_stmt_list.
7371 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
7372 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
7373 Traverse the statements using tsi iterator.
7374 * basic-block.h (struct basic_block_def): Fields stmt_list
7375 and phi_nodes moved to ...
7376 (struct tree_bb_info): ... new structure.
7377 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
7378 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
7379 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
7380 (tree_verify_flow_info): Verify that il.tree is not set for
7381 entry and exit block.
7382 (tree_split_block): Use set_bb_stmt_list.
7384 2007-04-23 Mike Stump <mrs@apple.com>
7386 * config/i386/i386.c (ix86_tune_features
7387 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
7390 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7392 * config/i386/i386.md (prefix_extra): New attribute.
7393 (length): Add prefix_extra.
7395 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
7396 (sse2_movntv2di): Likewise.
7397 (sse2_cvtps2dq): Likewise.
7398 (sse2_cvtpd2pi): Likewise.
7399 (sse2_cvttpd2pi): Likewise.
7400 (*sse2_cvtpd2ps): Likewise.
7401 (*add<mode>3): Likewise.
7402 (sse2_ssadd<mode>3): Likewise.
7403 (sse2_usadd<mode>3): Likewise.
7404 (*sub<mode>3): Likewise.
7405 (sse2_sssub<mode>3): Likewise.
7406 (sse2_ussub<mode>3): Likewise.
7407 (*mulv8hi3): Likewise.
7408 (*smulv8hi3_highpart): Likewise.
7409 (*umulv8hi3_highpart): Likewise.
7410 (sse2_umulv2siv2di3): Likewise.
7411 (sse2_pmaddwd): Likewise.
7412 (ashr<mode>3): Likewise.
7413 (lshr<mode>3): Likewise.
7414 (ashl<mode>3): Likewise.
7415 (sse2_ashlti3): Likewise.
7416 (sse2_lshrti3): Likewise.
7417 (*umaxv16qi3): Likewise.
7418 (*smaxv8hi3): Likewise.
7419 (*uminv16qi3): Likewise.
7420 (*sminv8hi3): Likewise.
7421 (sse2_eq<mode>3): Likewise.
7422 (sse2_gt<mode>3): Likewise.
7423 (*and<mode>3): Likewise.
7424 (sse2_nand<mode>3): Likewise.
7425 (*ior<mode>3): Likewise.
7426 (*xor<mode>3): Likewise.
7427 (sse2_packsswb): Likewise.
7428 (sse2_packssdw): Likewise.
7429 (sse2_packuswb): Likewise.
7430 (sse2_punpckhbw): Likewise.
7431 (sse2_punpcklbw): Likewise.
7432 (sse2_punpckhwd): Likewise.
7433 (sse2_punpcklwd): Likewise.
7434 (sse2_punpckhdq): Likewise.
7435 (sse2_punpckldq): Likewise.
7436 (sse2_punpckhqdq): Likewise.
7437 (sse2_punpcklqdq): Likewise.
7438 (*sse2_pinsrw): Likewise.
7439 (*sse2_pextrw): Likewise.
7440 (sse2_pshufd_1): Likewise.
7441 (sse2_uavgv16qi3): Likewise.
7442 (sse2_uavgv8hi3): Likewise.
7443 (sse2_psadbw): Likewise.
7444 (sse2_pmovmskb): Likewise.
7445 (*sse2_maskmovdqu): Likewise.
7446 (*sse2_maskmovdqu_rex64): Likewise.
7447 (sse4a_extrqi): Likewise.
7448 (sse4a_extrq): Likewise.
7449 (sse3_lddqu): Set prefix_rep.
7450 (sse3_addsubv4sf3): Likewise.
7451 (sse3_haddv4sf3): Likewise.
7452 (sse3_hsubv4sf3): Likewise.
7453 (sse_cvtss2si): Likewise.
7454 (sse_cvtss2si_2): Likewise.
7455 (sse_cvtss2siq): Likewise.
7456 (sse_cvtss2siq_2): Likewise.
7457 (sse_cvttss2si): Likewise.
7458 (sse_cvttss2siq): Likewise.
7459 (sse2_cvttps2dq): Likewise.
7460 (sse3_movshdup): Likewise.
7461 (sse3_movsldup): Likewise.
7462 (sse2_cvtsd2si): Likewise.
7463 (sse2_cvtsd2si_2): Likewise.
7464 (sse2_cvtsd2siq): Likewise.
7465 (sse2_cvtsd2siq_2): Likewise.
7466 (sse2_cvttsd2si): Likewise.
7467 (sse2_cvttsd2siq): Likewise.
7468 (*sse2_cvtpd2dq): Likewise.
7469 (*sse2_cvttpd2dq): Likewise.
7470 (sse2_pshuflw_1): Likewise.
7471 (sse2_pshufhw_1): Likewise.
7472 (sse4a_insertqi): Likewise.
7473 (sse4a_insertq): Likewise.
7474 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
7475 (ssse3_phadddv4si3): Likewise.
7476 (ssse3_phaddswv8hi3): Likewise.
7477 (ssse3_phsubwv8hi3): Likewise.
7478 (ssse3_phsubdv4si3): Likewise.
7479 (ssse3_phsubswv8hi3): Likewise.
7480 (ssse3_pmaddubswv8hi3): Likewise.
7481 (ssse3_pmulhrswv8hi3): Likewise.
7482 (ssse3_pshufbv16qi3): Likewise.
7483 (ssse3_psign<mode>3): Likewise.
7484 (ssse3_palignrti): Likewise.
7485 (abs<mode>2): Likewise.
7486 (ssse3_phaddwv4hi3): Set prefix_extra.
7487 (ssse3_phadddv2si3): Likewise.
7488 (ssse3_phaddswv4hi3): Likewise.
7489 (ssse3_phsubwv4hi3): Likewise.
7490 (ssse3_phsubdv2si3): Likewise.
7491 (ssse3_phsubswv4hi3): Likewise.
7492 (ssse3_pmaddubswv4hi3): Likewise.
7493 (ssse3_pmulhrswv4hi3): Likewise.
7494 (ssse3_pshufbv8qi3): Likewise.
7495 (ssse3_psign<mode>3): Likewise.
7496 (ssse3_palignrdi): Likewise.
7497 (abs<mode>2): Likewise.
7498 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
7499 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
7500 (sse2_pmovmskb): Set mode to SI instead of V2DF.
7502 2007-04-23 Nick Clifton <nickc@redhat.com>
7504 * params.def: Fix formatting of emacs local variables.
7506 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
7508 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
7509 move if inter-unit move isn't allowed.
7510 Don't split moving the first element of V2DI to DI to inter-unit
7511 move if inter-unit move isn't allowed.
7513 2007-04-23 Richard Guenther <rguenther@suse.de>
7515 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
7516 and CDI_POST_DOMINATORS separately.
7518 2007-04-23 Nick Clifton <nickc@redhat.com>
7520 * c.opt (Wformat-contains-nul): Add warning attribute.
7522 2007-04-23 Jan Hubicka <jh@suse.cz>
7524 * function.c (init_function_start): Don't init line number info.
7525 (expand_function_end): Update.
7526 (reset_block_changes, record_block_change, finalize_block_changes,
7527 check_block_change, free_block_changes): Kill.
7528 * function.h (reset_block_changes, record_block_change,
7529 finalize_block_changes, check_block_change, free_block_changes):
7531 (struct function): Remove ib_boundaries_block.
7532 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7533 Use curr_insn_locator to initialize locator.
7534 (emit_line_note): Remove.
7535 * cfgexpand.c (expand_gimple_cond_expr): Update.
7536 (construct_exit_block): Likewise.
7537 (tree_expand_cfg): Initialize/finalize locators.
7538 * expr.c (expand_expr_real): Update.
7539 * cfglayout.c (line_locators_locs, line_locators_lines,
7540 file_locators_locs, file_locators_files): Remove.
7541 (set_block_levels): Move to cfgexpand.c.
7542 (insn_locators_initialize): Remove.
7543 (pass_insn_locators_initialize): Remove.
7544 (locations_locators_locs, locations_locators_vals): New static vars.
7545 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7547 (insn_locators_alloc, insn_locators_finalize,
7548 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7550 (locator_location): New.
7551 (locator_line, locator_file): Rewrite.
7552 * rtl.h (emit_line_note): Kill.
7553 (insn_locators_alloc, insn_locators_finalize,
7554 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7556 * tree-inline.c (initialize_cfun): Do not initialize
7557 ib_boundaries_block.
7558 * passes.c (pass_insn_locators_initialize): Remove.
7560 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
7563 * expr.c (reduce_to_bit_field_precision): Handle
7566 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
7568 PR tree-optimization/24659
7569 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
7570 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
7571 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
7572 * genopinit.c (optabs): Rename vec_pack_mod_optab
7573 to vec_pack_trunc_optab.
7574 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
7575 early for scalar floating point operands for NOP_EXPR.
7576 (vectorizable_type_promotion): Ditto.
7577 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
7578 vec_pack_trunc_optab.
7579 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
7581 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
7582 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
7583 Rename from VEC_PACK_MOD_EXPR.
7584 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
7585 * expr.c (expand_expr_real_1): Ditto.
7586 * tree-inline.c (estimate_num_insns_1): Ditto.
7587 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
7589 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
7590 (vec_unpacks_lo_v4sf): Ditto.
7591 (vec_pack_trunc_v2df): Ditto.
7592 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
7593 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7594 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
7596 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
7598 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
7600 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
7601 Rename from VEC_PACK_MOD_EXPR. This expression also represent
7602 packing of floating point operands.
7603 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
7604 represent unpacking of floating point operands.
7605 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
7606 [vec_unpacks_hi]: Ditto.
7607 [vec_unpacks_lo]: Ditto.
7609 2007-04-22 Jan Hubicka <jh@suse.cz>
7611 * final.c (rest_of_handle_final): Call
7612 targetm.asm_out.constructor/targetm.asm_out.destructor
7613 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
7614 proper priority via decl_*_priority_insert.
7615 * c-common.c (c_expand_body): Likewise.
7617 2007-04-22 Richard Guenther <rguenther@suse.de>
7619 PR tree-optimization/29789
7620 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
7621 (rewrite_reciprocal): New helper split out from
7622 determine_invariantness_stmt.
7623 (rewrite_bittest): Likewise.
7624 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
7625 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
7628 2007-04-22 Revital Eres <eres@il.ibm.com>
7630 * loop-unroll.c (var_to_expand): New field to support also
7631 insns of the form x = something + x.
7632 (analyze_insn_to_expand_var): Use it.
7633 (expand_var_during_unrolling): Likewise.
7635 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7637 * predict.c: Include pointer-set.h.
7638 (bb_predictions): New variable.
7639 (tree_predicted_by_p, tree_predict_edge,
7640 remove_predictions_associated_with_edge): Use bb_predictions map
7641 instead of bb->predictions.
7642 (clear_bb_predictions, assert_is_empty): New functions.
7643 (combine_predictions_for_bb): Use bb_predictions map. Call
7644 clear_bb_predictions.
7645 (tree_estimate_probability): Create and free bb_predictions map.
7646 * Makefile.in (predict.o): Add pointer-set.h dependency.
7647 * basic-block.h (struct basic_block_def): Remove predictions
7649 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
7651 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
7654 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
7657 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7659 * timevar.c (timevar_print): Change reference of --disable-checking to
7660 --enable-checking=release. Also warn if assert checking is disabled.
7662 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7665 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
7666 decl as addressable if the compound literal was marked as
7668 Mark the decl as a gimple register if it is a complex or
7669 vector decl and does not live in memory.
7671 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
7673 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
7674 (GENERIC_NEXT): New function macro.
7675 (PHI_CHAIN): Use phi_node's new chain variable.
7676 (tree_phi_node): Change tree_common to tree_base
7677 and add the chain field.
7678 * tree-phinodes.c (make_phi_node): Don't set
7679 TREE_TYPE on the new node.
7680 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
7681 instead of checking GIMPLE_TUPLE_P in chain_next.
7682 * tree-vect-transform.c
7683 (get_initial_def_for_induction): Look at
7684 PHI_RESULT_TREE for the type of the phi node.
7685 (update_vuses_to_preheader): Use PHI_CHAIN
7686 instead of TREE_CHAIN on the phi node.
7687 * tree-ssa-structalias.c (compute_points_to_sets):
7689 (ipa_pta_execute): Likewise.
7691 2007-04-21 Richard Guenther <rguenther@suse.de>
7694 * fold-const.c (fold_unary): Call fold_convert_const on the
7697 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
7699 * gcse.c (store_killed_in_insn): Handle PARALLELs.
7700 (store_killed_in_pat): New.
7702 2007-04-20 Richard Henderson <rth@redhat.com>
7705 * config/i386/i386.c (type_has_variadic_args_p): Look for any
7706 TREE_LIST with a void_type_node value, not void_list_node exactly.
7708 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
7710 * doc/standards.texi: Re-arrange into language-specific
7711 subsections. Add a C++ section, documenting which standards we
7714 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
7716 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
7717 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
7719 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
7721 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
7722 ecrti.o and crtbegin.o.
7723 (LIB_DEFAULT_SPEC): Include -lc.
7724 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
7726 2007-04-20 Richard Henderson <rth@redhat.com>
7729 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
7730 argument; update all callers.
7731 (get_unaligned_offset): New.
7732 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
7733 get_unaligned_address, just pass on the address directly.
7734 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
7735 the subreg in the helper patterns.
7736 (unaligned_extendqidi_le): Use get_unaligned_offset.
7737 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
7738 (unaligned_extendhidi_be): Likewise.
7739 (unaligned_extendhidi): Tidy.
7740 * config/alpha/alpha-protos.h: Update.
7742 2007-04-20 Richard Henderson <rth@redhat.com>
7744 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
7745 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
7746 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
7747 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7748 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7749 (CPP_SPEC): Don't include %(cpp_subtarget).
7750 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
7751 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
7752 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
7754 2007-04-20 Jakub Jelinek <jakub@redhat.com>
7756 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
7757 for __builtin_ia32_cmpordss.
7759 PR tree-optimization/31632
7760 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
7761 and arg1 for optimizations of comparison against min/max values.
7762 Fold arg0 to arg1's type for optimizations of comparison against
7763 min+1 and max-1 values.
7765 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
7767 * reload.c (combine_reloads): When trying to use a dying register,
7768 check whether it's uninitialized and don't use if so.
7770 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
7772 * fold-const.c: Remove prototypes for native_encode_expr and
7773 native_interpret_expr.
7774 (native_encode_expr): Make non-static.
7775 (native_interpret_expr): Likewise.
7776 * tree.h: Add prototypes for the above.
7778 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7780 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
7781 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
7782 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
7783 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
7784 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
7785 Add length attributes.
7787 2007-04-19 Janis Johnson <janis187@us.ibm.com>
7789 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
7792 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
7793 __STDC_WANT_DEC_FP__.
7795 2007-04-19 Joseph Myers <joseph@codesourcery.com>
7797 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
7798 for long double compatibility.
7799 * configure: Regenerate.
7801 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
7803 PR rtl-optimization/29841
7804 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
7806 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
7807 that may cause control flow transfer from being moved.
7809 2007-04-18 Jan Hubicka <jh@suse.cz>
7811 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
7814 2007-04-18 Eric Christopher <echristo@apple.com>
7816 * config/rs6000/darwin.md (load_macho_picbase): Use link register
7817 only. Update operands.
7818 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
7819 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
7820 link register to pic register.
7822 2007-04-18 Dirk Mueller <dmueller@suse.de>
7825 * tree-vrp.c (search_for_addr_array): New.
7826 (check_array_bounds): Suppress warning about
7827 address taken of array refs if its not de-referenced.
7829 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7831 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
7832 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
7834 * tree-vectorizer.h (NITERS_KNOWN_P): New.
7835 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
7836 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
7838 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
7840 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
7842 (vect_analyze_scalar_cycles): Fix indentation.
7843 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
7844 (vect_mark_relevant): Include phis in relevance analysis.
7846 * tree-vect-transform.c (vect_transform_loop): Add an assert.
7848 2007-04-18 Anatoly Sokolov <aesok@post.ru>
7850 * config/avr/avr.c (ptrreg_to_str): Replace error() with
7851 output_operand_lossage().
7853 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7855 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
7856 the unused code for reduction without adjust-in-epilog to simplify the
7859 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
7861 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
7862 (S390_TDC_NEGATIVE_ZERO): New constant.
7863 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
7864 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
7865 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
7866 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
7867 (S390_TDC_POSITIVE_INFINITY): New constant.
7868 (S390_TDC_NEGATIVE_INFINITY): New constant.
7869 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
7870 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
7871 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
7872 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
7873 (S390_TDC_INFINITY): New constant.
7874 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
7875 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
7876 optimization for UNSPEC_CCZ_TO_INT.
7877 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
7878 ("*ccz_to_int"): New insn.
7879 ("isinf<mode>2"): New insn.
7880 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
7881 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
7882 (UNSPEC_CCZ_TO_INT): New constant.
7884 2007-04-18 Richard Guenther <rguenther@suse.de>
7886 PR tree-optimization/19431
7887 PR tree-optimization/21463
7888 * tree-pass.h (pass_phiprop): Declare.
7889 * passes.c (init_optimization_passes): New phiprop pass.
7890 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
7891 (phivn_valid_p): New helper function.
7892 (phiprop_insert_phi): Likewise.
7893 (propagate_with_phi): Likewise.
7894 (tree_ssa_phiprop): New propagator propagating loads
7895 through phi nodes if profitable.
7897 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
7899 * tree-vect-analyze.c (process_use): New function.
7900 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
7901 Check phis in all bbs.
7902 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
7905 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
7907 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
7910 2007-04-17 Anatoly Sokolov <aesok@post.ru>
7913 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
7916 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
7918 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
7920 (sse_vmmulv4sf3): Likewise.
7921 (sse2_vmaddv2df3): Likewise.
7922 (sse2_vmmulv2df3): Likewise.
7924 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
7926 PR rtl-optimization/31360
7927 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
7928 (target_reg_cost): New.
7929 (init_set_costs): Initialize target_reg_cost. Add comments
7930 regarding the rationale of the costs.
7931 (global_cost_for_size): Renamed to...
7932 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
7933 of register pressure.
7934 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
7935 estimate_reg_pressure_cost. Add number of ivs.
7936 (determine_set_costs): Dump target_reg_cost.
7937 * loop-invariant.c (gain_for_invariant): Use
7938 estimate_reg_pressure_cost. Removed n_inv_uses argument.
7939 (best_gain_for_invariant, find_invariants_to_move): Remove
7941 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
7942 (target_reg_cost): Declare.
7943 (global_cost_for_size): Declaration removed.
7944 (estimate_reg_pressure_cost): Declare.
7946 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
7948 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
7949 regnos into even/odd register pairs.
7950 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
7951 TDmode similar to the other floating point modes.
7952 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
7953 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
7955 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
7956 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
7957 (movdd_hardfloat64): Use TARGET_MFPGPR.
7959 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
7961 * reload1.c (delete_output_reload): Don't count output in n_inherited.
7964 2005-01-05 Richard Henderson <rth@redhat.com>
7966 * reload1.c (do_input_reload): Restrict the optimization deleteing
7967 a previous output reload to RELOAD_FOR_INPUT.
7969 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
7971 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
7972 induc_vec_info_type.
7973 (vectorizable_induction): New function declaration.
7974 * tree-vect-transform.c (get_initial_def_for_induction): No need to
7975 check if already vectorized. Find first place in BB where new stmts
7976 can be inserted. Takes only one argument.
7977 (vectorizable_induction): New function.
7978 (vect_transform_stmt): Add case for induc_vec_info_type to call
7979 vectorizable_induction.
7980 (vect_transform_loop): Consider phis for vectorization.
7981 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
7983 (analyze_operations): Call vectorizable_induction when analyzing phis.
7985 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
7986 (vect_mark_relevant): Include phis in relevance analysis.
7987 (vect_mark_stmts_to_be_vectorize): Likewise.
7988 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
7990 2007-04-16 Lawrence Crowl <crowl@google.com>
7992 * doc/invoke.texi (Debugging Options): Add documentation for the
7993 -femit-struct-debug options -femit-struct-debug-baseonly,
7994 -femit-struct-debug-reduced, and
7995 -femit-struct-debug-detailed[=...].
7997 * c-opts.c (c_common_handle_option): Add
7998 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
7999 and OPT_femit_struct_debug_detailed_.
8000 * c.opt: Add specifications for
8001 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
8002 and -femit-struct-debug-detailed[=...].
8003 * opts.c (set_struct_debug_option): Parse the
8004 -femit-struct-debug-... options.
8005 * opts.c (matches_main_base, main_input_basename,
8006 main_input_baselength, base_of_path, matches_main_base): Add
8007 variables and functions to compare header base name to compilation
8009 * opts.c (should_emit_struct_debug): Add to determine to emit a
8010 structure based on the option.
8011 (dump_struct_debug) Also disabled function to debug this
8013 * opts.c (handle_options): Save the base name of the
8016 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
8017 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
8018 This hook indicates if a type is generic. Set it by default
8020 * langhooks.h (struct lang_hooks_for_types): Add a new hook
8021 to determine if a struct type is generic or not.
8022 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
8023 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
8024 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
8027 * flags.h (enum debug_info_usage): Add an enumeration to describe
8028 a program's use of a structure type.
8029 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
8030 to indicate the program's usage of the type. Filter structs based
8031 on the -femit-struct-debug-... specification.
8032 (gen_type_die): Split into two routines, gen_type_die and
8033 gen_type_die_with_usage. gen_type_die is now a wrapper
8034 that assumes direct usage.
8035 (gen_type_die_with_usage): Replace calls to gen_type_die
8036 with gen_type_die_with_usage adding the program usage of
8037 the referenced type.
8038 (dwarf2out_imported_module_or_decl): Suppress struct debug
8039 information using should_emit_struct_debug when appropriate.
8041 2007-04-16 Ian Lance Taylor <iant@google.com>
8043 PR tree-optimization/31522
8044 * tree-vrp.c (vr_phi_edge_counts): New static variable.
8045 (vrp_initialize): Allocate vr_phi_edge_counts.
8046 (vrp_visit_phi_node): Don't push to infinity if we saw a new
8047 executable edge. Drop test for all constants.
8048 (vrp_finalize): Free vrp_phi_edge_counts.
8050 * doc/cpp.texi (Common Predefined Macros): Clarify description of
8051 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
8053 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
8054 predecessors at head rather than tail.
8056 2007-04-16 Matthias Klose <doko@debian.org>
8058 * config/alpha/linux.h (CPP_SPEC): Define.
8059 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
8061 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
8063 * function.h: Remove sequence_stack extern declaration.
8065 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8067 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
8069 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
8072 2007-04-16 Anatoly Sokolov <aesok@post.ru>
8074 * config/avr/avr.c (avr_arch_types): Rearranging array.
8075 (enum avr_arch): Add.
8076 (avr_mcu_types): Use avr_arch enumeration constants instead of
8078 * config/avr/avr.h (LINK_SPEC): Simplify.
8080 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8082 * config/m68k/m68k.c (m68k_libcall_value,
8083 m68k_function_value): Use macros for register names more.
8085 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
8087 (M68K_REGNAME): Use A6_REG.
8088 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
8090 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8093 * sched-int.h (struct deps): Split field 'pending_lists_length' into
8094 'pending_read_list_length' and 'pending_write_list_length'. Update
8096 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
8097 to handle two length counters instead of one. Update all uses.
8098 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
8099 two length counters instead of one.
8100 * sched-rgn.c (propagate_deps): Update to handle two length counters
8103 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
8106 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
8107 copy of source, pass it to ix86_expand_vector_set and return
8110 2007-04-16 David Ung <davidu@mips.com>
8111 Joseph Myers <joseph@codesourcery.com>
8113 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
8114 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
8115 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
8116 Add 74K processor information.
8117 * config/mips/mips.md: Include 74k.md.
8118 (cpu): Add 74kc,74kf,74kx.
8119 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
8120 * config/mips/74k.md: New.
8121 * doc/invoke.texi (MIPS Options): Document 74K support.
8123 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
8125 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
8126 vectorizable_* functions.
8127 * tree-vect-transform.c (vectorizable_call): Add check for
8128 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
8129 (vectorizable_store): likewise.
8130 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
8132 (vectorizable_operation, vectorizable_type_demotion): Likewise.
8133 (vectorizable_type_promotion, vectorizable_load): Likewise.
8134 (vectorizable_live_operation, vectorizable_condition): Likewise.
8135 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
8137 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
8139 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8141 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
8142 register numbers more.
8143 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
8144 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
8145 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
8146 FUNCTION_VALUE_REGNO_P): Likewise.
8147 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
8148 STATIC_CHAIN_REGNUM): Likewise.
8149 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
8150 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
8151 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
8152 * config/m68k/m68k.md (FP_REG): New.
8154 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8156 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
8159 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8161 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
8162 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
8165 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8167 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
8170 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
8173 * c-decl.c (finish_decl): Grab the type of the decl after the call
8174 to store_init_value.
8176 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
8178 * common.opt (fforward-propagate): Fix "Optimization" annotation.
8180 2007-04-14 Jakub Jelinek <jakub@redhat.com>
8183 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
8184 dominators, post dominators and cleanup cfg before returning.
8186 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
8188 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
8189 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
8191 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
8193 * config.gcc: Recognize fido.
8194 * config/m68k/m68k-devices.def (fidoa): New.
8195 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
8197 (FL_FIDOA, TARGET_FIDOA): New.
8198 * config/m68k/m68k.opt (mfidoa): New.
8200 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8203 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
8204 when a personality function is used.
8206 2007-04-13 Bob Wilson <bob.wilson@acm.org>
8208 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
8210 2007-04-13 Mike Stump <mrs@apple.com>
8212 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
8214 * config/darwin.opt (fapple-kext): Make C++ only.
8215 * config/darwin.c (darwin_override_options): Remove code to ensure
8216 -fapple-kext is given for C++ only.
8218 2007-04-13 Richard Sandiford <richard@codesourcery.com>
8220 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
8221 * config/mips/mips.c (override_options): Call
8222 SUBTARGET_OVERRIDE_OPTIONS, if defined.
8224 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
8226 * config/i386/i386.opt (msvr3-shlib): Removed.
8228 * doc/invoke.texi: Remove -msvr3-shlib.
8230 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
8232 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
8233 with "popcnt" instruction.
8235 2007-04-13 Richard Guenther <rguenther@suse.de>
8237 PR tree-optimization/21258
8238 * tree-vrp.c (compare_case_labels): New helper.
8239 (find_switch_asserts): New function.
8240 (find_assert_locations): Call it for SWITCH_EXPRs.
8242 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
8244 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
8245 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
8246 check is now implied in X87_FLOAT_MODE_P.
8247 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8248 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8249 (fix_trunc<mode>_i386_fisttp): Ditto.
8250 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8251 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8252 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8253 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8254 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8255 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8256 (unnamed_splitters): Ditto.
8257 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
8258 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
8259 FIRST_SSE_REG for local functions when SSE math is enabled or
8260 for functions with sseregparm attribute.
8261 (standard_80387_constant_p): Return -1 if mode is not
8263 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
8264 (ix86_expand_compare): Ditto.
8265 (ix86_expand_carry_flag_compare): Ditto.
8266 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
8267 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
8268 DECIMAL_FLOAT_MODE_P.
8269 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
8270 of SCALAR_FLOAT_MODE_P.
8271 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
8272 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
8273 checks before FLOAT_MODE_P.
8274 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
8275 before FLOAT_MODE_P.
8280 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
8282 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
8283 Charles Wilson <libtool@cwilson.fastmail.fm>
8285 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
8286 (libgcc.mvars): Don't depend on them.
8287 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
8288 * exec-tool.in: New.
8290 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
8292 * doc/invoke.text (--help): Document --help=common.
8294 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
8296 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
8298 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8300 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
8301 * genemit.c (main): Emit #include "integrate.h".
8302 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
8303 (LOADGP_RTP): New mips_loadgp_style.
8304 * config/mips/mips.h: Include config/vxworks-dummy.h.
8305 (TARGET_RTP_PIC): New macro.
8306 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
8307 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
8308 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
8310 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
8311 -mvxworks-pic when using -mrtp and a PIC option.
8312 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
8314 (mips_symbolic_constant_p, mips_symbolic_address_p)
8315 (mips_symbol_insns): Handle SYMBOL_HALF.
8316 (override_options): Warn about -G and -mrtp being used together.
8317 Initialize mips_lo_relocs[SYMBOL_HALF].
8318 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
8319 (mips_emit_loadgp): Handle LOADGP_RTP.
8320 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
8321 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
8322 (tablejump): Handle function-relative case table entries if
8324 * config/mips/predicates.md (symbol_ref_operand): New predicate.
8326 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8328 * config/mips/mips.md (load_call<mode>): Allow any general register.
8330 (sibcall_value_internal, sibcall_value_multiple_internal)
8331 (call_value_internal, call_value_split, call_value_multiple_internal)
8332 (call_value_multiple_split): Remove constraints from operand 0.
8334 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8336 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
8337 rather than loadgp_noshared.
8338 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
8339 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
8341 * config/mips/mips.md (loadgp): Rename to...
8342 (loadgp_newabi): ...this.
8343 (loadgp_noshared): Rename to...
8344 (loadgp_absolute): ...this.
8346 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8348 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
8349 false for locally-binding symbols.
8350 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
8352 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8354 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
8355 (SYMBOL_GOT_PAGE_OFST): ...this.
8356 (SYMBOL_GOT_GLOBAL): Rename to...
8357 (SYMBOL_GOT_DISP): ...this.
8358 (SYMBOL_GOTOFF_GLOBAL): Rename to...
8359 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
8360 * config/mips/mips.c (mips_global_symbol_p): New function.
8361 (mips_symbol_binds_local_p): Likewise.
8362 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
8363 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
8364 mips_global_symbol_p and mips_symbol_binds_local_p.
8365 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
8366 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
8367 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
8369 (mips_ok_for_lazy_binding_p): New function.
8370 (mips_load_call_address, mips_expand_call): Use it.
8371 (mips_dangerous_for_la25_p): Likewise.
8372 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
8373 (*got_disp<mode>): Use got_disp_operand instead of
8374 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
8375 SYMBOL_GOTOFF_GLOBAL.
8376 (*got_page<mode>): Use got_page_ofst_operand instead of
8378 * config/mips/predicates.md (const_call_insn_operand): Use
8379 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
8380 (global_got_operand): Rename to...
8381 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
8383 (local_got_operand): Rename to...
8384 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
8385 of SYMBOL_GOT_LOCAL.
8387 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8389 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
8390 TARGET_CALL_CLOBBERED_GP.
8391 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8392 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
8393 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
8394 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
8395 of TARGET_ABICALLS && !TARGET_NEWABI.
8396 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8397 * config/mips/mips.c (mips_load_call_address): Check
8398 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8399 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8400 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
8401 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
8402 TARGET_ABICALLS && TARGET_NEWABI.
8403 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
8405 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
8406 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
8407 TARGET_ABICALLS && TARGET_NEWABI.
8408 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
8409 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
8410 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
8411 whether indirect calls must use $25.
8412 (mips_extra_live_on_entry): Check TARGET_GOT instead of
8414 * config/mips/mips.md (jal_macro): Check flag_pic and
8415 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
8416 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
8417 instead of TARGET_ABICALLS.
8418 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
8419 TARGET_ABICALLS && TARGET_OLDABI.
8420 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
8421 (sibcall): In the comment above the define_insn, mention
8422 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
8423 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
8424 instead of TARGET_ABICALLS.
8426 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
8428 * doc/md.texi (Blackfin family constraints): Document PA and PB.
8429 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
8430 (MACFLAGS_MATCH_P): New macro.
8431 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
8432 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
8433 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
8434 the other MACFLAG constants.
8435 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
8436 (flag_machi): Tighten constraints. Renumber some of the operands.
8437 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
8439 (flag_machi_parts_acconly): New pattern.
8440 (flag_macinithi): Tighten constraints. Allow any accumulator to be
8442 (flag_macinit1hi): Tighten constraints.
8443 (flag_mul_macv2hi_parts_acconly): New pattern.
8445 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
8446 Use a more efficient implementation.
8447 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
8448 inline sequences when not optimizing for size.
8450 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
8451 movhi_high2low): Delete, merge functionality into...
8452 (packv2hi): ... this pattern.
8454 2007-02-11 Jie Zhang <jie.zhang@analog.com>
8455 * config/bfin/bfin.opt (msim): New option.
8456 (mcpu=): New option.
8457 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
8458 (bfin_cpu_t): Typedef of enum bfin_cpu.
8459 (bfin_cpu_type): New declaration.
8460 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
8461 -msim and -mcpu= options.
8462 (LIB_SPEC): Likewise.
8463 * config/bfin/bfin.c (bfin_cpu_type): Define.
8464 (bfin_handle_option): Handle -mcpu= option.
8465 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
8466 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
8467 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
8469 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8471 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
8472 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
8473 (powerpc-wrs-vxworksae): Use ${tm_file}.
8474 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
8475 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
8476 * config/i386/vx-common.h: New file.
8478 2007-04-12 Richard Sandiford <richard@codesourcery.com>
8480 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
8483 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
8485 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
8488 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
8492 * c-common.c (c_build_qualified_type): Set canonical type
8495 2007-04-12 Richard Guenther <rguenther@suse.de>
8497 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
8498 lower bound and element size if lower bound is not zero
8499 or either of the ARRAY_REF operands is set.
8501 2007-04-12 Richard Guenther <rguenther@suse.de>
8503 PR tree-optimization/24689
8504 PR tree-optimization/31307
8505 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
8507 * gimplify.c (canonicalize_addr_expr): To be consistent with
8508 gimplify_compound_lval only set operands two and three of
8509 ARRAY_REFs if they are not gimple_min_invariant. This makes
8510 it never at this place.
8511 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
8513 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8515 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
8516 null before emitting a .nsubspa directive.
8518 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8520 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
8521 need_to_partition_p if there are no memory statements in the
8524 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8526 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
8527 (gcd_of_steps_may_divide_p): New function.
8528 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
8530 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8532 * reload.c (find_reloads_toplev, find_reloads_address,
8533 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
8534 not a pointer equality test, to decide if we need to call
8535 push_reg_equiv_alt_mem.
8537 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
8539 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
8540 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
8542 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
8544 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8546 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
8547 vector to be positive.
8549 2007-04-11 Diego Novillo <dnovillo@redhat.com>
8553 * doc/invoke.texi: Document --params max-aliased-vops and
8555 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
8556 debug_memory_partitions): Move to tree-flow.h
8557 * params.h (AVG_ALIASED_VOPS): Define.
8558 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
8560 (mp_info_t): Likewise.
8561 (get_mem_sym_stats_for): New.
8562 (set_memory_partition): Move from tree-flow-inline.h.
8563 (mark_non_addressable): Only clear the set of symbols for the
8564 partition if it exists.
8565 (dump_memory_partitions): Move from tree-ssa-operands.c
8566 (debug_memory_partitions): Likewise.
8567 (need_to_partition_p): New.
8568 (dump_mem_ref_stats): New.
8569 (debug_mem_ref_stats): New.
8570 (dump_mem_sym_stats): New.
8571 (debug_mem_sym_stats): New.
8572 (update_mem_sym_stats_from_stmt): New.
8573 (compare_mp_info_entries): New.
8574 (mp_info_cmp): Call it.
8575 (sort_mp_info): Change argument to a list of mem_sym_stats_t
8577 (get_mpt_for): Move from tree-ssa-operands.c.
8578 (find_partition_for): New.
8579 (create_partition_for): Remove.
8580 (estimate_vop_reduction): New.
8581 (update_reference_counts): New.
8582 (build_mp_info): New.
8583 (compute_memory_partitions): Refactor.
8584 Document new heuristic.
8585 Call build_mp_info, update_reference_counts,
8586 find_partition_for and estimate_vop_reduction.
8587 (compute_may_aliases): Populate virtual operands before
8588 calling debugging dumps.
8589 (delete_mem_sym_stats): New.
8590 (delete_mem_ref_stats): New.
8591 (init_mem_ref_stats): New.
8592 (init_alias_info): Call it.
8593 (maybe_create_global_var): Remove alias_info argument.
8594 Get number of call sites and number of pure/const call sites
8595 from gimple_mem_ref_stats().
8596 (dump_alias_info): Call dump_memory_partitions first.
8597 (dump_points_to_info_for): Show how many times a pointer has
8599 * opts.c (decode_options): For -O2 set --param
8600 max-aliased-vops to 500.
8601 For -O3 set --param max-aliased-vops to 1000 and --param
8602 avg-aliased-vops to 3.
8603 * fortran/options.c (gfc_init_options): Remove assignment to
8605 * tree-flow-inline.h (gimple_mem_ref_stats): New.
8606 * tree-dfa.c (dump_variable): Dump memory reference
8608 Dump NO_ALIAS* settings.
8609 (referenced_var_lookup): Tidy.
8610 (mem_sym_stats): New.
8611 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
8612 and ORIG are different SSA names for a memory partition.
8613 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
8614 * tree-flow.h (struct mem_sym_stats_d): Define.
8615 (mem_sym_stats_t): Define.
8616 (struct mem_ref_stats_d): Define.
8617 (struct gimple_df): Add field mem_ref_stats.
8618 (enum noalias_state): Define.
8619 (struct var_ann_d): Add bitfield noalias_state.
8620 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
8621 debug_mem_ref_stats, debug_memory_partitions,
8622 debug_mem_sym_stats): Declare.
8623 * tree-ssa-structalias.c (update_alias_info): Update call
8624 sites, pure/const call sites and asm sites in structure
8625 returned by gimple_mem_ref_stats.
8626 Remove local variable IS_POTENTIAL_DEREF.
8627 Increase NUM_DEREFS if the memory expression is a potential
8629 Call update_mem_sym_stats_from_stmt.
8630 If the memory references memory, call
8631 update_mem_sym_stats_from_stmt for all the direct memory
8632 symbol references found.
8633 (intra_create_variable_infos): Set noalias_state field for
8634 pointer arguments according to the value of
8635 flag_argument_noalias.
8636 * tree-ssa-structalias.h (struct alias_info): Remove fields
8637 num_calls_found and num_pure_const_calls_found.
8638 (update_mem_sym_stats_from_stmt): Declare.
8639 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
8640 Set default value to 100.
8641 (PARAM_AVG_ALIASED_VOPS): Define.
8643 2007-04-11 Richard Guenther <rguenther@suse.de>
8646 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
8647 a * -b + c as c - a * b if we honor sign dependent rounding.
8649 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
8651 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
8653 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
8654 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
8656 (initialize_trampoline): Don't use old-style function definition.
8657 (bfin_secondary_reload): Mark IN_P argument as unused.
8659 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
8661 PR tree-optimization/31343
8662 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
8663 (build_polynomial_chrec): Return a scalar when the evolution is zero.
8664 * testsuite/gcc.dg/vect/pr31343.c: New.
8666 2007-04-10 Eric Christopher <echristo@apple.com>
8668 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
8669 * config/i386/i386.md (*cmpfp0): Use.
8670 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
8671 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
8672 (fix_trunc<mode>_i386_fisttp): Ditto.
8673 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
8674 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
8675 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
8676 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
8677 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
8678 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
8679 (unnamed_splitters): Ditto.
8680 * config/i386/i386.c (output_fix_trunc): Assert that
8681 we're not being passed a TFmode operand.
8683 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
8685 PR tree-optimization/31526
8686 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
8687 n_basic_blocks to find newly added blocks.
8689 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
8691 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
8693 (fix_trunc<mode>si_sse): Ditto.
8694 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
8695 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
8696 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
8697 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
8698 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
8699 expander using SSEMODEF mode macro.
8700 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
8701 expander using SSEMODEF mode macro.
8702 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
8703 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
8704 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
8705 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
8706 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
8707 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
8708 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
8709 Macroize insn using X87MODEF mode macro.
8711 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
8713 * config/i386/sse.md (sse2_pinsrw): Removed.
8714 (sse2_pextrw): Renamed to ...
8715 (*sse2_pextrw): This.
8717 2007-04-09 Jan Hubicka <jh@suse.cz>
8720 * config/i386/sse.md
8721 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
8722 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
8723 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
8724 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
8726 2007-04-09 Jan Hubicka <jh@suse.cz>
8728 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
8729 multiple fields of union.
8731 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
8733 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
8734 (create_preheaders): Check that loops are available.
8735 (fix_loop_structure): Clean up, improve comments.
8736 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
8737 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
8739 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
8740 * predict.c (tree_estimate_probability): Do not call
8741 calculate_dominance_info. Call create_preheaders.
8742 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
8743 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
8745 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
8746 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
8747 * tree-cfg.c (tree_split_edge): Make an assert more precise.
8748 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
8751 2007-04-08 Jan Hubicka <jh@suse.cz>
8753 * tree.h (maybe_fold_offset_to_component_ref): Declare.
8754 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
8755 * fold-const.c (fold_unary): Use it.
8757 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
8759 * varasm.c (assemble_variable): Remove call to
8760 lang_hooks.decls.prepare_assemble_variable.
8761 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
8762 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
8763 * langhooks.h (lang_hooks_for_decls): Remove
8764 prepare_assemble_variable.
8766 2007-04-08 Mike Stump <mrs@apple.com>
8768 * config/i386/i386.c: Use inc/dec on Core2.
8770 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
8772 * langhooks.c (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.
8775 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
8776 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
8778 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
8779 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
8780 lhd_tree_inlining_end_inlining): Remove prototypes.
8781 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
8782 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
8783 LANG_HOOKS_TREE_INLINING_START_INLINING,
8784 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
8786 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
8789 2007-04-08 Anatoly Sokolov <aesok@post.ru>
8792 * config/avr/predicates.md (io_address_operand): Delete predicate.
8793 (low_io_address_operand): Don't use 'mode' argument.
8794 (higth_io_address_operand): Rename ...
8795 (high_io_address_operand): ... to this. Don't use 'mode' argument.
8796 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
8799 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
8801 Revert change removing staticp.
8803 2007-04-07 Anatoly Sokolov <aesok@post.ru>
8806 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
8809 2007-04-07 Bruce Korb <bkorb@gnu.org>
8811 * c.opt: Add -Wformat-contains-nul.
8812 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
8814 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
8815 the NUL byte warning.
8817 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
8819 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
8821 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8823 * tree.c (staticp): No longer use staticp langhook.
8824 * langhooks.c (lhd_staticp): Removed.
8825 * langhooks.h (struct lang_hooks): Remove staticp.
8826 * c-common.c (c_staticp): Remove.
8827 * c-common.h (c_staticp): Ditto.
8828 * langhooks-defs.h (lhd_staticp): Ditto.
8829 (LHD_HOOKS_STATICP): Ditto
8830 * tree.h (gcc_assert_lowered): New macro.
8832 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
8834 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
8835 argument "reliable".
8836 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
8837 Add argument "reliable". Propagate it through calls.
8838 (infer_loop_bounds_from_undefined): Derive number of iterations
8839 estimates from references in blocks that do not dominate loop latch.
8840 (gcov_type_to_double_int): New function.
8841 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
8842 and expected_loop_iterations_unbounded.
8843 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
8844 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
8845 * tree-data-ref.c (estimated_loop_iterations): Export.
8846 (get_references_in_stmt): Fix -- do not return addresses of local
8848 * cfgloop.h (expected_loop_iterations_unbounded,
8849 estimated_loop_iterations): Declare.
8851 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
8853 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
8855 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8857 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
8858 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
8859 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
8860 Use output_387_reg_move().
8861 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
8862 expander using X87MODEF12 mode macro.
8863 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
8864 choosing register preferences. Use output_387_reg_move().
8865 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
8866 instead of "x". Use output_387_reg_move().
8867 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
8868 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
8869 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
8870 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
8871 Use output_387_reg_move().
8872 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
8874 (*truncxf?f_i387 splitter): Ditto.
8876 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
8878 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
8879 LANG_HOOKS_SAFE_FROM_P.
8880 * expr.c (safe_from_p): Remove langhook call.
8881 * langhooks.h (lang_hooks): Remove safe_from_p.
8882 (lhd_safe_from_p): Remove prototype.
8883 * langhooks.c (lhd_safe_from_p): Remove.
8885 2007-04-06 Jan Hubicka <jh@suse.cz>
8887 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
8890 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
8892 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
8893 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
8894 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
8895 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
8897 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
8898 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
8900 2007-04-05 Richard Henderson <rth@redhat.com>
8902 * config/alpha/alpha.c (print_operand) [+]: Remove.
8903 (alpha_end_function): Print nop if call at end of function.
8904 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
8905 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
8906 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
8907 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
8908 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
8909 the call pattern. Update peepholes to match.
8911 2007-04-05 Janis Johnson <janis187@us.ibm.com>
8913 * doc/extend.texi (Other Builtins): Add decimal float variants
8915 * builtins.def: Ditto.
8916 * builtins.c (expand_builtin): Ditto.
8918 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
8919 H.J. Lu <hongjiu.lu@intel.com>
8922 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
8923 of V8HImode when calling ix86_binary_operator_ok.
8924 (sse2_pmaddwd): Call ix86_binary_operator_ok.
8925 (sdot_prodv8hi): Operands 1 and 2 must be register.
8927 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8929 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
8930 initialize align to silence bogus warning.
8932 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
8935 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
8937 (struct sra_walk_fns): Remove use_all parameter from use.
8938 (sra_hash_tree): Handle BIT_FIELD_REFs.
8939 (sra_elt_hash): Don't hash bitfld blocks.
8940 (sra_elt_eq): Skip them in parent compares as well. Handle
8942 (sra_walk_expr): Don't maintain or pass down use_all_p.
8943 (scan_use): Remove use_all parameter.
8944 (scalarize_use): Likewise. Re-expand assignment to
8945 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
8946 output, and re-scalarize after output. Don't mark anything
8948 (scalarize_ldst): Adjust.
8949 (scalarize_walk_gimple_modify_statement): Likewise.
8950 (build_element_name_1): Handle BIT_FIELD_REFs.
8951 (instantiate_element): Don't warn for any element whose parent
8953 (instantiate_missing_elements_1): Return the sra_elt.
8954 (canon_type_for_field): New.
8955 (try_instantiate_multiple_fields): New.
8956 (instantiate_missing_elemnts): Use them.
8957 (mark_no_warning): Removed.
8958 (generate_one_element_ref): Handle BIT_FIELD_REFs.
8959 (REPLDUP, sra_build_elt_assignment): New.
8960 (generate_copy_inout): Use them.
8961 (generate_element_copy): Likewise. Handle bitfld differences.
8962 (generate_element_zero): Don't recurse for blocks. Use
8963 sra_build_elt_assignment.
8964 (generate_one_element_int): Take elt instead of var. Use
8965 sra_build_elt_assignment.
8966 (generate_element_init_1): Adjust.
8967 (scalarize_use, scalarize_copy): Use REPLDUP.
8968 (scalarize_ldst): Move assert before dereference.
8969 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
8971 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8973 * regmove.c: Fix unused variable warnings due to previous commit.
8975 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
8977 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
8978 (regmove_bb_head): Remove.
8979 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
8980 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
8981 problems with fixup_match_1.
8982 Don't initialize/free regmove_bb_head.
8984 (reg_is_remote_constant_p): If an insn is in the same basic block
8985 but not before INSN, consider it remote, too.
8987 2007-04-05 Anatoly Sokolov <aesok@post.ru>
8990 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
8991 DECL_ASSEMBLER_NAME, not the DECL_NAME.
8993 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
8995 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
8996 (CONDITIONAL_REGISTER_USAGE): Likewise.
8998 2007-04-04 Richard Henderson <rth@redhat.com>
9000 * config/alpha/lib1funcs.asm: Remove unused file.
9002 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9005 * opts.c (print_specific_help): Fix --help=<language>
9007 (common_handle_option): Support --help=common.
9009 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9012 * gcc.c (main): Do not run the linker if
9013 print_subprocess_help indicates that it shouldn't be
9016 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9019 * doc/invoke.texi (--help=): Document <languages> value, fix
9020 formatting in tables of values.
9022 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
9024 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
9025 dllimport attribute of virtual methods.
9027 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
9029 * config/score/crti.asm: Change _bss_start to __bss_start.
9030 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
9031 (OUTGOING_REG_PARM_STACK_SPACE) update.
9032 * config/score/score.opt: add options to make backend support
9033 score5, score5u, score7 and score7d.
9034 * config/score/score.md: Likewise.
9035 * config/score/misc.md: Likewise.
9036 * config/score/mac.md: Likewise.
9037 * doc/invoke.texi: Likewise.
9038 * doc/md.texi: update constraints define.
9040 2007-04-03 Richard Henderson <rth@redhat.com>
9042 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
9043 an appropriate type, use the mode instead.
9045 2007-04-03 Richard Sandiford <richard@codesourcery.com>
9047 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
9048 Set the default --with-arch setting to mips2.
9049 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
9050 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
9051 (MULTILIB_OSDIRNAMES): Delete.
9052 (MULTILIB_DIRNAMES): Define.
9053 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
9054 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
9055 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
9056 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
9057 VXWORKS_OS_CPP_BUILTINS.
9058 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
9059 (MIPS_DEBUGGING_INFO): Undefine.
9060 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
9062 2007-04-03 Jakub Jelinek <jakub@redhat.com>
9065 * fold-const.c (native_encode_real): Encode real.c provided longs
9066 as a series of 32-bit native integers.
9067 (native_interpret_real): Interpret buffer as a series of 32-bit
9070 2007-04-03 Richard Guenther <rguenther@suse.de>
9072 * genpreds.c (write_insn_constraint_len): Write function
9073 optimized for CONSTRAINT_LEN implementation.
9074 (write_tm_preds_h): Output insn_constraint_len inline and
9075 use it for CONSTRAINT_LEN.
9076 (write_insn_preds_c): Don't output insn_constraint_len.
9077 * doc/md.texi (define_register_constraint): Document multi-letter
9078 constraints shall have the same length if they start with the same
9081 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9084 * config/i386/i386.md (isinf<mode>2): Expand only when
9085 TARGET_C99_FUNCTIONS is set.
9087 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9089 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
9090 (x86_64-*-linux*): Ditto.
9091 * config/i386/i386.opt (mpc): New option.
9092 * config/i386/i386.c (overrride_options): Handle
9093 ix87_precision_string.
9094 * config/i386/crtprec.c: New file.
9095 * config/i386/t-crtpc: Ditto.
9096 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
9098 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
9099 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9100 crtprec32.o, crtprec64.o and crtprec80.o.
9102 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
9104 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
9106 2007-04-02 Eric Christopher <echristo@apple.com>
9108 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
9109 limitations on darwin.
9111 2007-04-02 Anatoly Sokolov <aesok@post.ru>
9114 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
9116 2007-04-02 Dave Korn <dave.korn@artimi.com>
9118 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
9120 2007-04-02 Dave Korn <dave.korn@artimi.com>
9122 * libgcc2.h (exception_descriptor): Don't forward-declare.
9123 (__get_eh_table_language, __get_eh_table_version): Delete
9124 prototypes of long-dead functions.
9126 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
9128 * ebitmap.h: New file
9129 * ebitmap.c: New file
9130 * Makefile.in (ebitmap.o): New target.
9132 2007-04-01 Jan Hubicka <jh@suse.cz>
9134 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
9135 before very first instruction.
9137 2007-04-01 Jan Hubicka <jh@suse.cz>
9139 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
9140 waring on 64bit hosts.
9141 * bitmap.h: Fix typo in bitmap_head_def.
9143 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
9145 PR rtl-optimization/31391
9146 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
9147 into a DELETED_LABEL note, and the label is in an empty basic
9148 block, update BB_END as well as BB_HEAD.
9150 2007-04-01 Richard Henderson <rth@redhat.com>
9152 PR tree-optimization/31169
9153 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
9154 to varying if the range is outside [0, prec-1].
9156 2007-04-01 Richard Sandiford <richard@codesourcery.com>
9159 * config/mips/mips.md (load_const_gp): New insn.
9160 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
9161 the MIPS16 GP pseudo register if no_new_pseudos.
9162 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
9164 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
9167 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
9169 (call_value): Likewise.
9171 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
9172 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9175 * doc/invoke.texi: (optimization options): Reword description
9176 of -ffast-math. Document its primary purpose.
9178 2007-03-31 Richard Guenther <rguenther@suse.de>
9180 * omp-low.c (splay-tree.h): Include.
9181 (lookup_decl): Replace splay-tree usage by pointer-map.
9182 (maybe_lookup_decl): Likewise.
9183 (new_omp_context): Likewise.
9184 (delete_omp_context): Likewise.
9185 * gimplify.c (splay-tree.h): Include.
9186 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
9188 (remap_ssa_name): Likewise.
9189 (remap_decl): Likewise.
9190 (remap_type_1): Likewise.
9191 (remap_type): Likewise.
9192 (copy_body_r): Likewise.
9193 (expand_call_inline): Likewise.
9194 (clone_body): Likewise.
9195 (copy_tree_r): Likewise.
9196 (remap_save_expr): Likewise.
9197 (unsave_r): Likewise.
9198 (unsave_expr_now): Likewise.
9199 (tree_function_versioning): Likewise.
9200 (build_duplicate_type): Likewise.
9201 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
9202 (struct copy_body_data): Replace splay-tree by pointer-map.
9203 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
9204 not $(SPLAY_TREE_H).
9205 (gimplify.o): Depend on $(SPLAY_TREE_H).
9206 (omp-low.p): Likewise.
9208 2007-03-31 Anatoly Sokolov <aesok@post.ru>
9210 * config/avr/predicates.md (even_register_operand,
9211 odd_register_operand): New predicates.
9212 * config/avr/avr.md (movw peephole2): New.
9213 (movw_r peephole2): New.
9215 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
9217 * tree.h (get_signed_or_unsigned_type): New.
9218 * fold-const.c (operand_equal_for_comparison_p): Use
9219 get_signed_or_unsigned_type instead of
9220 lang_hooks.types.signed_or_unsigned_type.
9221 * expr.c (store_expr): Ditto.
9222 * langhooks.c (get_signed_or_unsigned_type): New.
9223 (lhd_signed_or_unsigned_type): New.
9224 * langhooks.h (lhd_signed_or_unsigned_type): New.
9225 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
9227 2007-03-30 Richard Henderson <rth@redhat.com>
9229 * tree-ssa-loop-ivopts.c: Include target.h.
9230 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
9231 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
9232 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
9233 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
9235 2007-03-30 Richard Henderson <rth@redhat.com>
9236 Kai Tietz <kai.tietz@onevision.com>
9238 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
9240 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
9241 (TARGET_64BIT_MS_ABI): New.
9242 (DBX_REGISTER_NUMBER): Handle 64-bit.
9243 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
9244 (LONG_TYPE_SIZE): Force to 32.
9245 (REG_PARM_STACK_SPACE): New.
9246 (OUTGOING_REG_PARM_STACK_SPACE): New.
9247 (REGPARM_MAX, SSE_REGPARM_MAX): New.
9248 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
9249 (STACK_BOUNDARY): Use 128 for 64-bit.
9250 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
9251 Add 64-bit implementation.
9252 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
9254 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
9255 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
9256 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
9257 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
9258 (ix86_handle_cconv_attribute): Don't warn when ignoring if
9259 TARGET_64BIT_MS_ABI.
9260 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
9261 (ix86_pass_by_reference): Likewise.
9262 (ix86_function_value_regno_p): Likewise.
9263 (ix86_build_builtin_va_list): Likewise.
9264 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
9265 (function_arg_advance_ms_64): New.
9266 (function_arg_advance): Call it.
9267 (function_arg_ms_64): New.
9268 (function_arg): Call it.
9269 (function_value_ms_64): New.
9270 (ix86_function_value_1): Call it.
9271 (return_in_memory_ms_64): New.
9272 (ix86_return_in_memory): Call it.
9273 (setup_incoming_varargs_ms_64): New.
9274 (ix86_setup_incoming_varargs): Call it.
9275 (ix86_expand_prologue): Handle 64-bit stack probing.
9276 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
9277 (output_pic_addr_const): Likewise.
9278 (x86_this_parameter): Likewise.
9279 (x86_output_mi_thunk): Likewise.
9280 (x86_function_profiler): Likewise.
9281 (TARGET_STRICT_ARGUMENT_NAMING): New.
9282 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
9283 (TARGET_64BIT_MS_ABI): New.
9284 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
9285 * config/i386/i386.md (allocate_stack_worker): Remove.
9286 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
9287 describe the clobber of eax without a match_scratch.
9288 (allocate_stack_worker_postreload): Remove.
9289 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
9290 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
9291 (allocate_stack_worker_rex64_postreload): Remove.
9292 (allocate_stack): Handle 64-bit.
9293 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
9294 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
9295 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
9296 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
9297 (STANDARD_STARTFILE_PREFIX_1): Likewise.
9298 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
9299 * config.build (x86_64-*-mingw*): New host.
9300 * config.host (x86_64-*-mingw*): New host.
9301 * config.gcc (x86_64-*-mingw*): New target.
9302 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
9304 2007-03-30 Richard Henderson <rth@redhat.com>
9305 Kai Tietz <kai.tietz@onevision.com>
9307 * c-pragma.c (struct def_pragma_macro_value): New.
9308 (struct def_pragma_macro): New.
9309 (pushed_macro_table): New.
9310 (dpm_hash, dpm_eq): New.
9311 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
9312 (init_pragma): Install them.
9313 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
9315 2007-03-30 Anatoly Sokolov <aesok@post.ru>
9317 * config/avr/avr.c (avr_override_options): Clear
9318 'flag_delete_null_pointer_checks'.
9320 2007-03-30 Paolo Carlini <pcarlini@suse.de>
9323 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
9324 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
9325 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
9326 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
9327 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
9328 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
9329 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
9331 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
9333 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
9335 * regmove.c: Move all of pass_stack_adjustments from here...
9336 * combine-stack-adj.c: ...to this new file.
9337 * Makefile.in: Add rules for combine-stack-adj.o.
9339 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
9341 PR tree-optimization/31383
9342 * tree-data-ref.c (affine_function_equal_p): Do not require the
9343 vectors to have the same length.
9345 2007-03-30 Jan Hubicka <jh@suse.cz>
9348 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
9349 availablility; add more sanity checking; ask varpool only about
9352 2007-03-29 Richard Henderson <rth@redhat.com>
9354 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
9355 to decide, but __SIZEOF_LONG_LONG__.
9357 2007-03-29 Richard Henderson <rth@redhat.com>
9359 * emutls.c (struct __emutls_array): New.
9360 (emutls_destroy): Use it instead of casting element 0 from void*.
9361 (__emutls_get_address): Likewise.
9363 2007-03-29 Richard Henderson <rth@redhat.com>
9365 * varasm.c (initializer_constant_valid_p): Don't deny
9366 DECL_DLLIMPORT_P on functions.
9368 * config/i386/cygming.h: Remove function declarations.
9369 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
9370 (ASM_OUTPUT_LABELREF): Remove.
9371 (COMMON_ASM_OP): Remove.
9372 (ASM_OUTPUT_COMMON): Remove.
9373 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
9374 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
9375 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9376 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
9377 Rename from TARGET_ENCODE_SECTION_INFO.
9378 * config/i386/netware.h: Likewise.
9379 * config/i386/i386-protos.h: Update.
9380 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
9381 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
9382 (legitimate_constant_p): Reject dllimports.
9383 (dllimport_map, get_dllimport_decl): New.
9384 (legitimize_dllimport_symbol): New.
9385 (legitimize_address, ix86_expand_move): Use it.
9386 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
9387 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
9388 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
9389 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
9390 * config/i386/predicates.md (constant_call_address_operand): Only
9391 accept symbols; reject dllimport_p symbols.
9392 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
9393 i386_pe_maybe_record_exported_symbol.
9394 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
9395 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
9396 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
9397 trust the setting of DECL_DLLIMPORT_P.
9398 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
9399 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
9400 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
9401 tidy the argument scanning loop.
9402 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
9403 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
9404 (i386_pe_strip_name_encoding): Remove.
9405 (i386_pe_binds_local_p): New.
9406 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
9407 (i386_pe_output_labelref): Remove.
9408 (i386_pe_asm_output_aligned_decl_common): New.
9409 (i386_pe_maybe_record_exported_symbol): Rename from
9410 i386_pe_record_exported_symbol; check for dllexported symbols.
9412 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
9414 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
9415 add comment explaining why vsnprintf cannot be used.
9417 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
9419 PR tree-optimization/30666
9420 * tree.c (build_complex_type): When creating type names for DWARF2
9421 debug info, create TYPE_DECLs for TYPE_NAME instead of
9423 (build_common_tree_nodes_2): Use build_complex_type when building
9424 predefined complex types, to preserve canonical types.
9426 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
9428 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
9429 (noce_get_alt_condition): Look at it to determine whether to
9430 reverse the condition or not.
9431 (noce_get_condition): Substitute the truth for lies.
9432 (noce_find_if_block): Set the then_else_reversed field.
9434 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
9436 * config/fr30/fr30.md (movdi): Do not accept immediates as the
9437 destination of this insn.
9438 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
9439 than calling gen_rtx_SET directly. Use r0 to hold the value of
9440 'address + 4' rather than a stack based temporary which can be
9443 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9445 * config/s390/s390.c (s390_secondary_input_reload_class,
9446 s390_secondary_output_reload_class): Functions removed.
9447 (s390_secondary_reload): New function.
9448 (TARGET_SECONDARY_RELOAD): Target macro defined.
9449 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
9450 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
9451 * config/s390/s390.md ("reload_outti", "reload_outdi",
9452 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
9453 "reload_out<mode>"): Expanders removed.
9454 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
9455 "reload<mode>_nonoffmem_out"): Expanders added.
9457 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
9459 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
9460 action if SRC->DEST replacement failed anyway.
9462 2007-03-28 Mike Stump <mrs@apple.com>
9464 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
9465 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
9466 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
9468 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
9470 * config.gcc: Accept barcelona as a variant of amdfam10.
9471 * config/i386/i386.c (override_options): Likewise.
9472 * doc/invoke.texi: Likewise.
9474 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
9476 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
9477 offsets for BIT_FIELD_REF and COMPONENT_REF.
9479 2007-03-28 Richard Guenther <rguenther@suse.de>
9481 * tree.c (is_global_var): Move ...
9482 * tree-flow-inline.h (is_global_var): ... here.
9483 * tree.h (is_global_var): Remove declaration.
9485 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
9487 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
9489 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
9490 * config/i386/i386.c (ix86_tune_features): Initialize new
9492 * config/i386/predicates.md (promotable_binary_operator): Use
9493 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
9495 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
9498 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
9500 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
9502 * config/fr30/fr30.md (movsi_internal): Change destination
9503 constraint from m to V and add m to the end.
9505 2007-03-28 Christian Bruel <christian.bruel@st.com>
9507 * config/sh/sh.md (movsi_i): Fix type attribute.
9509 2007-03-28 Christian Bruel <christian.bruel@st.com>
9511 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
9512 (movsf_ie): Likewise.
9514 2007-03-28 Christian Bruel <christian.bruel@st.com>
9516 * config.gcc: Add sh4-300 to multilib.
9517 * config/sh/t-mlib-sh4-300: New file.
9519 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
9521 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
9522 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
9524 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
9525 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
9526 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
9527 "fixuns_trunctddi2"): Whitespace fix.
9529 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
9531 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
9532 the definition of struct sh_args.
9533 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
9534 CALL_COOKIE_INT_REG_GET): Likewise.
9536 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
9538 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
9539 transformations are applied successfully.
9541 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
9543 * tree.c (tree_contains_struct): Permit 512 tree codes.
9544 * tree.h (tree_contains_struct): Ditto.
9545 (MAX_TREE_CODES): Ditto.
9546 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
9547 SPARE member to store remaining padding bits.
9549 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9551 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
9554 2007-03-27 Janis Johnson <janis187@us.ibm.com>
9556 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
9557 * configure: Regenerate.
9559 * configure: Regenerate using the correct version of autoconf.
9561 2007-03-27 Anatoly Sokolov <aesok@post.ru>
9563 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
9565 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
9566 regs to "__SP_L__" and "__SP_H__".
9568 2007-03-27 Richard Guenther <rguenther@suse.de>
9570 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
9571 computations with it with a HOST_WIDE_INT variable.
9573 2007-03-26 Mike Stump <mrs@apple.com>
9575 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
9576 objective-c-header, objective-c++-header and objc++-cpp-output
9578 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
9580 2007-03-26 Richard Henderson <rth@redhat.com>
9583 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
9584 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
9585 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
9586 IX86_BUILTIN_PSRLQ128): New.
9587 (ix86_init_mmx_sse_builtins): Add them.
9588 (ix86_expand_builtin): Expand them.
9589 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
9590 operand 2 be TImode.
9591 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
9592 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
9593 _mm_srli_epi64): Mark __B const.
9594 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
9595 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
9596 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
9597 new two-vector shift builtins.
9599 2007-03-26 Ian Lance Taylor <iant@google.com>
9601 PR tree-optimization/31345
9602 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
9603 [+INF, +INF(OVF)] into VARYING.
9605 2007-03-26 Zack Weinberg <zackw@panix.com>
9607 * gengtype-parse.c: New file.
9608 * gengtype-yacc.y: Delete.
9609 * gengtype-lex.l: Don't include gengtype-yacc.h.
9610 Define YY_DECL and yyterminate appropriately for recursive
9611 descent parser. yylval is now a string out-parameter to yylex.
9612 (HWS, EOID): New shorthand.
9613 (IWORD): Add a couple more types.
9614 (yylex): Add a setup stanza. Remove the complex rules for
9615 detecting GTY'ed types and typedefs; replace with simple
9616 keyword detectors. Adjust everything for the changed
9617 definition of yylval. Ignore all pp-directives, not just #define.
9619 (parse_file): Rename yybegin; do not call yyparse.
9621 * gengtype.c (xasprintf): Export again.
9622 (this_file): New. Use everywhere __FILE__ was being used.
9623 (get_lang_bitmap): Special case types defined in gengtype.c.
9624 (do_typedef, new_structure): Suppress definition of certain types.
9625 (new_structure): Improve diagnostics of duplicate definitions.
9626 Make sure location_s is associated with input.h.
9627 (nreverse_pairs, define_location_structures): New functions.
9628 (main): Improve tagging of kludge types. Remove old kludges
9629 for input.h types; use define_location_structures.
9630 * gengtype.h: Update prototypes. Define token codes here.
9631 * Makefile.in: Remove all references to gengtype-yacc.
9632 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
9634 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
9635 add GTY((skip)) to the field that's only conditionally there.
9636 * doc/install.texi: Document that Bison is no longer required
9637 unless building treelang.
9639 * gengtype.c: Don't include gtyp-gen.h.
9640 (srcdir): Declare here.
9641 (base_files, lang_dir_names): Allocate dynamically.
9642 (gt_files, num_gt_files, num_lang_dirs): New globals.
9643 (measure_input_list, read_input_line, read_input_list)
9644 (set_lang_bitmap): New functions.
9645 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
9646 simplify, relying on read_input_list to set up the bitmaps.
9647 (main): Arguments are no longer unused. Check for correct number
9648 of command line arguments, set srcdir and srcdir_len, then call
9649 read_input_list, before doing anything else. No need to worry
9650 about duplicates in main loop.
9651 * configure.ac: Simplify the calculation of all_gtfiles.
9652 Put language tags in there. Don't set or substitute
9653 all_gtfiles_files_langs or all_gtfiles_files_frags.
9654 * Makefile.in: Revamp the way gengtype is invoked, now that it
9655 takes a file on its command line with a much simpler format.
9656 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
9657 (GTFILES): Remove duplicates and C source files.
9658 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
9659 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
9660 * configure: Regenerate.
9662 * gengtype.h: Remove all type definitions to gengtype.c; leave
9663 only definitions of options_p, type_p, and pair_p as opaque
9664 pointers. Update prototypes.
9665 * gengtype.c: Many type definitions moved here from gengtype.h.
9666 Consolidate type definitions at the top of the file.
9667 (xvasprintf): Delete.
9668 (xasprintf): Make static.
9669 (create_nested_pointer_option): Add 'next' parameter.
9670 (create_field_all, create_field_at): New functions.
9671 (create_field): Now a thin wrapper around create_field_all.
9672 (create_optional_field): Rename create_optional_field_ and add
9673 line argument. Original name is now a macro which supplies
9675 (oprintf): Use vsnprintf directly.
9676 (close_output_files): Use fatal rather than perror/exit.
9677 (note_def_vec, note_def_vec_alloc): Use create_field_at.
9678 (main): Set progname. Don't use exit.
9679 * gengtype-yacc.y (struct_fields): Use create_field_at.
9680 (option, optionseqopt): Delete.
9681 (optionseq): Consolidate productions from option here so we
9682 can use the first argument to create_option.
9684 * gengtype-lex.l: Distinguish unions from structures in the
9685 token type. Don't call find_structure; return the tag as a string.
9686 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
9687 ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
9688 string. Reorganize typedef_struct production accordingly.
9689 Use create_nested_ptr_option.
9690 * gengtype.c (create_nested_ptr_option): New function.
9691 * gengtype.h: Declare it.
9693 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
9694 (string_type): Don't declare.
9695 (do_scalar_typedef): Declare.
9696 (create_scalar_type): Update prototype.
9697 * gengtype.c (string_type): Make static.
9698 (scalar_nonchar, scalar_char): New.
9699 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
9700 (resolve_typedef): Use scalar_nonchar for error recovery.
9701 (create_scalar_type): Remove name_len field. Return scalar_char
9702 or scalar_nonchar as appropriate.
9703 (adjust_field_type): Look at scalar_is_char boolean to decide whether
9705 (throughout): Use scalar_nonchar instead of calling
9706 create_scalar_type, whenever possible.
9707 (main): Initialize scalar_char and scalar_nonchar before calling
9709 * gengtype-lex.l: Adjust for removal of second argument to
9710 create_scalar_type. Use yylval.s instead of yylval.t when
9712 * gengtype-yacc.y: Type of SCALAR is string. Call
9713 create_scalar_type from type:SCALAR rule. Adjust for removal of
9714 second argument to create_scalar_type.
9716 * vec.h: Remove all #if IN_GENGTYPE blocks.
9717 Add comment saying that changes may require adjustments to gengtype.
9718 * gengtype.c: Don't include coretypes.h or tm.h.
9719 Add comment to inclusion of errors.h.
9720 (note_def_vec, note_def_vec_alloc): New functions.
9721 * gengtype.h: Declare new functions.
9722 * gengtype-lex.l: Don't include coretypes.h.
9723 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
9725 (update_lineno): Remove unnecessary prototype.
9726 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
9727 (VEC rule): Just return VEC_TOKEN.
9728 * gengtype-yacc.y (VEC_TOKEN): New token type.
9729 (type): Add a production for VEC(a,b).
9730 * Makefile.in: Update dependencies.
9732 * gengtype-lex.l: Remove rules for parsing pointer-to-function
9733 typedefs that use the old PARAMS macro.
9735 * gengtype-lex.l: Remove all rules and states relating to yacc
9737 * gengtype-yacc.y: Similarly.
9738 * gengtype.c (note_yacc_type): Delete function.
9739 * gengtype.h: Update prototypes.
9741 2007-03-26 Joseph Myers <joseph@codesourcery.com>
9743 * tree-pretty-print.c (dump_generic_node): Report precision of
9744 unnamed integer types.
9746 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
9748 * ifcvt.c (noce_try_store_flag_constants): Don't check
9749 no_new_pseudos here.
9750 (noce_try_store_flag_constants): Don't check no_new_pseudos.
9751 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
9752 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
9753 noce_try_sign_mask): Likewise.
9754 (if_convert): Check no_new_pseudos here.
9756 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
9758 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
9759 (noce_get_condition): Handle new then_else_reversed argument.
9760 (noce_init_if_info): Remove, fold into noce_find_if_block.
9761 (noce_process_if_block): Take a struct noce_if_info as the
9762 argument. Don't set up one based on ce_if_info. Update pointer
9763 references accordingly.
9764 (cond_move_process_if_block): Likewise.
9765 (process_if_block): Removed.
9766 (find_if_block): Removed. Move functionality two new functions,
9767 noce_find_if_block and cond_exec_find_if_block.
9768 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
9769 blocks and the symmetric IF-ELSE-JOIN case.
9770 (cond_exec_find_if_block): Also new function mostly based on old
9771 find_if_block and process_if_block.
9772 (find_if_header): Replace find_if_block call with separately
9773 guarded calls to noce_find_if_block and cond_exec_find_if_block.
9774 (find_cond_trap): Update noce_get_condition call.
9775 (dead_or_predicable): Likewise.
9777 2007-03-26 Jakub Jelinek <jakub@redhat.com>
9779 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
9781 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
9782 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
9783 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
9784 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
9785 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
9786 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
9787 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
9788 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
9789 __builtin_ia32_psrad128 builtins.
9791 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
9793 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
9794 * config/i386/constraints.md
9795 (define_constraint "I"): Use IN_RANGE macro.
9796 (define_constraint "J"): Ditto.
9797 (define_constraint "K"): Ditto.
9798 (define_constraint "M"): Ditto.
9799 (define_constraint "N"): Ditto.
9800 (define_constraint "O"): Ditto.
9801 * config/i386/predicates.md
9802 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
9803 (define_predicate "const_0_to_3_operand"): Ditto.
9804 (define_predicate "const_0_to_7_operand"): Ditto.
9805 (define_predicate "const_0_to_15_operand"): Ditto.
9806 (define_predicate "const_0_to_63_operand"): Ditto.
9807 (define_predicate "const_0_to_255_operand"): Ditto.
9808 (define_predicate "const_1_to_31_operand"): Ditto.
9809 (define_predicate "const_2_to_3_operand"): Ditto.
9810 (define_predicate "const_4_to_7_operand"): Ditto.
9812 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9814 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
9815 in SImode for save_world.
9816 * config/rs6000/altivec.md (save_world, restore_world): Convert to
9819 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
9821 PR tree-optimization/30784
9822 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
9825 2007-03-25 Revital Eres <eres@il.ibm.com>
9827 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
9828 Fold movement_possibility function into it.
9830 2007-03-25 David Edelsohn <edelsohn@gnu.org>
9832 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
9833 (load_macho_picbase_{si,di}): Convert to LR hard reg.
9834 (call_indirect_nonlocal_darwin64): Same.
9835 (call_nonlocal_darwin64): Same.
9836 (call_value_indirect_nonlocal_darwin64): Same.
9837 (call_value_nonlocal_darwin64): Same.
9838 (sibcall_nonlocal_darwin64): Same.
9839 (sibcall_value_nonlocal_darwin64): Same.
9840 (sibcall_symbolic_64): Same.
9841 (sibcall_value_symbolic_64): Same.
9842 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
9844 (rs6000_emit_load_toc_table): Same.
9845 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
9846 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
9852 (load_toc_v4_pic_si): Same
9853 (load_toc_v4_PIC_1): Same.
9854 (load_toc_v4_PIC_1b): Same.
9855 (call_indirect_aix{32,64}): Same.
9856 (call_value_indirect_aix{32,64}): Same.
9859 (call_local{32,64}): Same.
9860 (call_value_local{32,64}): Same.
9861 (call_indirect_nonlocal_aix{32,64}): Same.
9862 (call_nonlocal_aix{32,64}): Same.
9863 (call_value_indirect_nonlocal_aix{32,64}): Same.
9864 (call_value_nonlocal_aix{32,64}): Same.
9865 (call_indirect_nonlocal_sysv<mode>): Same.
9866 (call_nonlocal_sysv<mode>): Same.
9867 (call_value_indirect_nonlocal_sysv<mode>): Same.
9868 (call_value_nonlocal_sysv<mode>): Same.
9870 (sibcall_local{32,64}): Same.
9871 (sibcall_value_local{32,64}): Same.
9872 (sibcall_nonlocal_aix{32,64}): Same.
9873 (sibcall_value_nonlocal_aix{32,64}): Same.
9874 (sibcall_nonlocal_sysv<mode>): Same.
9875 (sibcall_value): Same.
9876 (sibcall_value_nonlocal_sysv<mode>): Same.
9878 2007-03-24 Paul Brook <paul@codesourcery.com>
9880 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
9881 * config/arm/linux-eabi.h: Remove legacy syscall hack.
9883 2007-03-24 Richard Henderson <rth@redhat.com>
9885 * config/ia64/constraints.md: New file.
9886 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
9887 satisfies_constraint_?.
9888 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
9889 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
9890 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
9891 ia64_output_mi_thunk): Likewise.
9892 (ia64_const_ok_for_letter_p): Remove.
9893 (ia64_const_double_ok_for_letter_p): Remove.
9894 (ia64_extra_constraint): Remove.
9895 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
9896 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
9897 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
9898 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
9899 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
9900 EXTRA_MEMORY_CONSTRAINT): Remove.
9901 * config/ia64/ia64.md: Include constriants.md. Replace
9902 CONST_OK_FOR_? with satisfies_constraint_?.
9904 2007-03-23 Michael Meissner <michael.meissner@amd.com>
9905 H.J. Lu <hongjiu.lu@intel.com>
9907 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
9909 (name macros): Use DPD_BID_NAME to convert names properly.
9911 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
9912 decimal floating point format.
9913 (init_floating_libfuncs): Change decimal functions so that they
9914 have a "bid_" prefix if the decimal system uses the BID format,
9915 and "dpd_" prefix if the decimal system uses the DPD format.
9916 (init_interclass_conv_libfuncs): Ditto.
9917 (init_intraclass_conv_libfuncs): Ditto.
9919 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9920 using the BID format.
9922 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9923 whether we are using the BID decimal format.
9924 * configure: Regenerate.
9926 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9927 the compiler has decimal floating point enabled. Define
9928 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9931 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
9932 using the BID format.
9934 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
9935 whether we are using the BID decimal format.
9936 * configure: Regenerate.
9938 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
9939 the compiler has decimal floating point enabled. Define
9940 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
9943 * doc/install.texi (--enable-decimal-float): Document BID and DPD
9944 options, and that it is enabled for i386/x86_64 systems.
9946 * Makefile.in (enable_decimal_float): New.
9948 (DECNUMINC): Add -I$(DECNUMFMT).
9949 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
9950 to $(DECNUMFMT) from $(DECNUM).
9952 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
9953 Substitute enable_decimal_float.
9954 * configure: Regenerated.
9957 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
9960 * configure.ac: Enable decimal float for x86_64-*-linux*.
9961 * configure: Regenerated.
9964 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
9965 decimal128ClearSign to flip and clear the sign bit in decimal128.
9966 (decimal_real_maxval): Set decimal128SetSign to set the sign
9969 2007-03-23 Ian Lance Taylor <iant@google.com>
9971 * fold-const.c (fold_binary): Correct warning for X - c >= X.
9973 2007-03-23 Ian Lance Taylor <iant@google.com>
9975 * tree-dump.c (dump_files): Correct comment.
9977 2007-03-23 Ian Lance Taylor <iant@google.com>
9979 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
9981 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
9983 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
9984 in cfglayout mode. Don't go into and out of cfglayout mode.
9985 Link the blocks in the order of the constructed traces.
9986 (rest_of_handle_tracer): Adjust call to tracer.
9987 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
9988 Don't go into cfglayout mode.
9989 (rtl_loop_done): Don't go out of cfglayout mode.
9990 * cfglayout.c (relink_block_chain): New function, split out from...
9991 (fixup_reorder_chain): ...here. Remove redundant checking.
9992 (cfg_layout_finalize): Don't clear the header, footer, and aux
9993 fields here, move the code to do so to relink_block_chain. Likewise
9994 for free_original_copy_tables.
9995 * rtl.h (tracer): Update prototype.
9996 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
9997 Assert we are in cfglayout mode. Don't go into and out of cfglayout
9998 mode. Use relink_block_chain to serialize the CFG according to the
9999 new basic block order. Move targetm.cannot_modify_jumps_p check from
10001 (gate_handle_reorder_blocks): ...to here.
10002 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
10004 (gate_duplicate_computed_gotos): ...to here.
10005 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
10006 something always changes when going into and out of cfglayout mode.
10007 Perform an expensive cfg cleanup while going into cfglayout mode.
10008 Always update liveness information on HAVE_conditional_execution
10009 targets. Reserialize the basic blocks and go out of cfglayout mode.
10010 * reg-stack.c: Include cfglayout.h.
10011 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
10012 the call to reorder_basic_blocks.
10013 * basic-block.h (reorder_basic_blocks): Update prototype.
10014 (relink_block_chain): New prototype.
10015 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
10017 2007-03-23 Joseph Myers <joseph@codesourcery.com>
10019 * config/mips/mips.md (type, hazard, *movdi_32bit,
10020 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
10021 *movhi_internal, *movqi_internal, *movsf_hardfloat,
10022 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
10023 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
10024 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
10026 (movcc): Change first xfer to multi.
10027 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
10028 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
10029 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
10030 config/mips/generic.md: Change reservations using "xfer" to use
10032 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
10033 using match_operand.
10034 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
10035 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
10037 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
10039 2007-03-22 Richard Henderson <rth@redhat.com>
10041 * config/i386/i386.c: Remove unnecessary function declarations.
10042 Move targetm definition, and all related macros, to the end of
10043 the file. Resort some functions to put definitions before uses.
10044 (ix86_attribute_table): Make static. Move to end of file.
10045 (ix86_gimplify_va_arg): Make static.
10047 2007-03-22 Richard Henderson <rth@redhat.com>
10049 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
10050 don't increase local_regparm with force_align_arg_pointer check.
10051 (ix86_function_sseregparm): Assert 32-bit.
10052 (type_has_variadic_args_p): New.
10053 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
10054 type_has_variadic_args_p.
10055 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
10056 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
10057 use memset instead. Do maybe_vaarg check first; skip attribute
10058 tests if true; skip attribute tests for 64-bit.
10059 (construct_container): Remove TARGET_DEBUG_ARG.
10060 (function_arg_advance_32, function_arg_advance_64): Split out ...
10061 (function_arg_advance): ... from here.
10062 (function_arg_32, function_arg_64): Split out ...
10063 (function_arg): ... from here.
10064 (ix86_pass_by_reference): Tidy.
10065 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
10066 (function_value_32): New, from parts of ix86_function_value
10067 and ix86_value_regno.
10068 (function_value_64): New, from parts of ix86_function_value
10069 and ix86_libcall_value.
10070 (ix86_function_value_1): New.
10071 (ix86_function_value, ix86_libcall_value): Use it.
10072 (return_in_memory_32, return_in_memory_64): Split out ...
10073 (ix86_return_in_memory): ... from here.
10074 (ix86_struct_value_rtx): Skip for 64-bit.
10075 (ix86_libcall_value, ix86_value_regno): Remove.
10076 (setup_incoming_varargs_64): Split out ...
10077 (ix86_setup_incoming_varargs): ... from here.
10078 (ix86_va_start): Remove TARGET_DEBUG_ARG.
10079 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
10080 * config/i386/i386-protos.h (ix86_function_value): Remove.
10081 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
10083 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10086 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
10087 infinities not supported, otherwise emit warning if -Woverflow. On
10088 underflow, emit warning if -Woverflow.
10089 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
10091 * real.h (real_from_string): Update declaration
10093 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
10094 Richard Henderson <rth@redhat.com>
10096 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
10097 * calls.c (compute_argument_block_size, expand_call,
10098 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
10099 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
10100 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
10101 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
10102 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
10103 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
10104 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
10105 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
10108 2007-03-22 Joseph Myers <joseph@codesourcery.com>
10110 * c-incpath.c (add_sysroot_to_chain): New.
10111 (merge_include_chains): Add sysroot argument. Call
10112 add_sysroot_to_chain if sysrooted.
10113 (register_include_chains): Update call to merge_include_chains.
10114 * doc/cppopts.texi: Document use of '=' in include directory
10117 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
10119 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
10120 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
10121 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
10122 insn pattern using X87MODEF12 mode macro.
10124 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
10126 * regmove.c (regmove_optimize): Use reg_mentioned_p
10127 instead of reg_overlap_mentioned_p for DST.
10129 2007-03-21 Mike Stump <mrs@apple.com>
10131 * c.opt: Fixup for Objective-C/C++.
10133 2007-03-21 Steve Ellcey <sje@cup.hp.com>
10135 * explow.c (convert_memory_address): Fold memory reference when
10136 POINTERS_EXTEND_UNSIGNED < 0
10138 2007-03-21 Richard Henderson <rth@redhat.com>
10141 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
10142 * config/i386/mmintrin.h (__m64): Likewise.
10143 * config/i386/xmmintrin.h (__m128): Likewise.
10145 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10147 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
10148 (VXWORKS_OS_CPP_BUILTINS): Define.
10149 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
10150 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
10152 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10154 * rtl.h (constant_pool_reference_p): Delete.
10155 (find_constant_src): Declare.
10156 * rtlanal.c (find_constant_src): New function.
10157 * simplify-rtx.c (constant_pool_reference_p): Delete.
10158 * config/i386/i386.md: Use find_constant_src instead of
10159 constant_pool_reference_p/avoid_constant_pool_reference pairs.
10161 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10163 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
10164 * c-cppbuiltin.c (c_cpp_builtins): Define them.
10166 2007-03-20 Mark Mitchell <mark@codesourcery.com>
10168 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
10169 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
10170 (arm_elf_asm_constructor): Use it.
10171 (arm_elf_asm_destructor): New function.
10173 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
10175 * jump.c (mark_jump_label): Treat SEQUENCE specially.
10177 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
10179 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
10181 2007-03-19 Andrew Haley <aph@redhat.com>
10183 PR tree-optimization/31264
10184 * tree-vrp.c (register_edge_assert_for_1): Don't look though
10185 VIEW_CONVERT_EXPRs.
10187 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
10189 PR rtl-optimization/30907
10190 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
10191 (fwprop_init): Always call loop_optimizer_initialize.
10192 (fwprop_done): Always call loop_optimizer_finalize.
10193 (fwprop): We always have loop info now.
10194 (gate_fwprop_addr): Remove.
10195 (pass_fwprop_addr): Use gate_fwprop as gate.
10197 PR rtl-optimization/30841
10198 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
10199 df_chain_alloc): Call df_reorganize_refs unconditionally.
10200 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
10201 refs_organized to refs_organized_size.
10202 (df_ref_create_structure): Use refs_organized_size instead of
10203 bitmap_size if refs had been organized, and keep refs_organized_size
10205 * df.h (struct df_ref_info): Change refs_organized to
10206 refs_organized_size.
10207 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
10210 2007-03-19 Mark Mitchell <mark@codesourcery.com>
10212 * except.c (output_function_exception_table): Do not reference the
10213 EH personality routine for functions that do not require an
10216 2007-03-20 Jakub Jelinek <jakub@redhat.com>
10219 * c-typeck.c (convert_for_assignment): Call comptypes for
10220 RECORD_TYPE or UNION_TYPE.
10222 PR inline-asm/30505
10223 * reload1.c (reload): Do invalid ASM checking after
10224 cleanup_subreg_operands.
10226 2007-03-19 Jeff Law <law@redhat.com>
10228 * tree-cfg.c (find_taken_edge): Tighten conditions for
10229 optimizing computed gotos.
10231 2007-03-19 Michael Matz <matz@suse.de>
10233 * builtins.c (expand_builtin_sync_operation,
10234 expand_builtin_compare_and_swap,
10235 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
10238 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
10239 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
10242 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10244 * doc/tm.texi: Add brackets around the return type of
10245 TARGET_SECONDARY_RELOAD.
10247 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
10248 Richard Guenther <rguenther@suse.de>
10250 PR tree-optimization/31254
10251 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
10252 Use handled_component_p () where appropriate. Continue
10253 propagating into the rhs if we propagated into an INDIRECT_REF
10256 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10258 * config/s390/s390.md (op_type attribute): RRR instruction type added.
10259 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
10260 (xde, xdee): Mode attributes adjusted to support DFP modes.
10261 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
10262 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
10263 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
10264 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
10265 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
10266 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
10267 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
10269 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
10270 "movsf"): Insn definitions removed.
10271 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
10272 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
10273 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
10275 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
10276 "reload_in<mode>", "reload_out<mode>"): Expander added.
10277 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
10280 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10282 * config/s390/s390.md: Only non-functional changes. Renamed
10283 FPR mode macro to BFP all over the file.
10285 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10287 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
10288 (op_type attribute): RRF instruction type added.
10289 (fT0): New mode attribute.
10290 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
10291 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
10292 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
10293 instruction no secondary memory is needed when moving DFmode values
10294 between GPRs and FPRs.
10296 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10298 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
10299 inverted and documentation adjusted.
10300 ("mhard-dfp", "msoft-dfp"): New options.
10301 * config/s390/s390.c (s390_handle_arch_option): New architecture
10303 (override_options): Sanity checks for the new options added.
10304 * config.gcc: New architecture switch: z9-ec.
10305 * config/s390/s390.h (processor_flags): PF_DFP added.
10306 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
10307 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
10308 when the bit is NOT set so remove it from the defaults.
10310 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
10312 * genemit.c (main): Print include statement for dfp.h.
10313 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
10316 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10318 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
10320 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
10323 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
10324 instead of PATTERN.
10326 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10328 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
10329 attr_length_call, output_call, output_indirect_call): Cleanup
10330 formatting of targetm calls.
10332 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
10334 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
10336 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10338 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
10339 reservation, bypass and anti-bypass descriptions for these
10340 instructions. Update move patterns.
10341 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
10344 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
10346 * tree-vect-transform.c (get_initial_def_for_induction): Replace
10347 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
10348 (get_initial_def_for_reduction): Likewise.
10350 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
10352 Fix PR tree-optimization/29922
10353 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
10354 (get_representative): Removed.
10355 (value_dies_in_block_x): Update for rvuse removal.
10356 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
10357 (compute_antic_aux): Handle when PHI nodes appear in
10358 non-single-successors.
10359 (dump_bitmap_of_names): Removed.
10360 (compute_antic_safe): Renamed and removed rvuse calculation.
10361 Calculate only antic safe.
10362 (insert_into_preds_of_block): Remove assert.
10363 (execute_pre): Update for renamed functions.
10364 (defer_or_phi_translate_block): New function.
10366 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10368 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
10369 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
10371 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
10372 Follow spelling conventions.
10374 * tree-data-ref.h: Remove the prototype for analyze_array.
10376 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
10378 PR tree-optimization/31041
10379 * tree-vect-transform.c (get_initial_def_for_induction): Call
10380 force_gimple_operand.
10382 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
10384 * ipa-type-escape.c (look_for_casts) : Revert code to use
10385 handled_component_p due to ada test a-numaux.adb.
10387 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
10389 * final.c (final_scan_insn): Alter the condition of a
10390 conditional trap if we have nonstandard CC.
10392 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10394 * configure.ac: Remove excess quoting from asm line 0 test.
10395 * configure: Rebuilt.
10397 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10399 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
10400 * c-common.c (convert_and_check): Move warning logic to...
10401 (warnings_for_convert_and_check): ...here. Define.
10402 * c-common.h (warnings_for_convert_and_check): Declare.
10404 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10406 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
10407 (output_call): Likewise.
10409 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10411 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
10413 2007-03-16 Richard Sandiford <richard@codesourcery.com>
10415 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
10417 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
10419 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
10420 opteron, athlon-64 and athlon-fx processor_alias_table entries.
10422 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
10424 PR tree-optimization/31183
10425 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
10426 Use double_int instead of unsigned int for representing access_strides.
10427 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
10429 2007-03-16 Richard Guenther <rguenther@suse.de>
10431 PR tree-optimization/31146
10432 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
10433 to allow recursion of forward_propagate_addr_expr.
10434 (forward_propagate_addr_into_variable_array_index): Likewise.
10435 (forward_propagate_addr_expr): Likewise.
10436 (tree_ssa_forward_propagate_single_use_vars): Likewise.
10437 (forward_propagate_addr_expr_1): Recurse on simple copies
10438 instead of propagating into them. Do so for useless conversions
10440 (forward_propagate_addr_expr): Clean up unused statements after
10443 2007-03-16 Richard Guenther <rguenther@suse.de>
10445 * builtins.c (expand_builtin_cexpi): Use the right argument
10446 for the expansion via cexp.
10448 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10450 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
10451 * configure: Rebuilt.
10453 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
10456 * dwarf2out.c (force_type_die): Adjust comment.
10457 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
10459 2007-03-15 DJ Delorie <dj@redhat.com>
10461 * config/frv/predicates.md (minmax_operator): Don't check operands
10464 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10466 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
10467 Update constant estimates of number of iterations.
10468 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
10469 argument renamed to "realistic".
10470 (compute_estimated_nb_iterations): Removed.
10471 (record_niter_bound): New function.
10472 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
10473 call record_nonwrapping_iv with upper = false.
10474 (infer_loop_bounds_from_signedness): Pass upper argument to
10475 record_nonwrapping_iv.
10476 (estimate_numbers_of_iterations_loop): Do not call
10477 compute_estimated_nb_iterations. Record estimate based on profile
10478 information. Initialize the constant estimates of number of
10480 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
10482 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
10483 number of iterations is too small.
10484 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
10485 (EST_NOT_AVAILABLE): Removed.
10486 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
10487 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
10490 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10492 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
10493 Handle NE_EXPR guards.
10495 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10498 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
10499 Set also -pedantic-errors by default for the preprocessor unless
10500 -fpermissive is given.
10502 2007-03-15 Richard Guenther <rguenther@suse.de>
10504 PR middle-end/29719
10505 PR middle-end/31161
10506 * builtins.c (expand_builtin_cexpi): As a fallback if we
10507 don't have builtins for sincos or cexp create a function
10508 declaration for cexp and expand to a call to that.
10509 (expand_builtin_int_roundingfn): Always fall
10510 back to floor/ceil and its variants even if they may be
10513 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
10515 PR middle-end/31159
10516 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
10517 jump tables, move the call to delete_dead_jumptables from here...
10518 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
10519 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
10520 don't allow merging of blocks that try_redirect_by_replacing_jump
10521 also does not handle when not optimizing.
10523 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10524 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10526 * config/i386/i386.md (x86_sahf_1): Correctly handle
10529 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
10532 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
10533 x86_64_general_operand as operand[2] predicate. Remove "iF"
10534 from operand constraints and use "e" constraint instead.
10535 (*subti3_1, *subti3_1 splitter): Ditto.
10536 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
10537 operand[1] predicate.
10539 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
10541 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
10542 arrays, multiply the access strides by the size of the sub-array.
10543 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
10545 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10547 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
10548 the configured assembler supports the sahf mnemonic.
10549 * configure: Regenerate.
10550 * config.in: Regenerate.
10552 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
10553 emit "sahf" or ".byte\t0x9e" as asm template.
10555 2007-03-14 Michael Meissner <michael.meissner@amd.com>
10558 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
10559 option to replace hard coded TARGET_xxx in md file.
10560 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
10561 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10562 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
10563 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
10564 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
10565 (X86_TUNE_NOT_VECTORMODE): Ditto.
10566 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
10567 (TUNE_AVOID_VECTOR_DECODE): Ditto.
10568 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
10569 (TUNE_SLOW_IMUL_IMM8): Ditto.
10570 (TUNE_MOVE_M1_VIA_OR): Ditto.
10571 (TUNE_NOT_UNPAIRABLE): Ditto.
10572 (TUNE_NOT_VECTORMODE): Ditto.
10574 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
10577 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
10578 tuning options instead of hard coded TARGET_xxx.
10579 (fix ssemode peephole2's): Ditto.
10580 (imul peephole2's): Ditto.
10582 (movdi_or_rex64): Ditto.
10583 (move peephole2): Ditto.
10584 (not peephole2's): Ditto.
10586 2007-03-14 Dirk Mueller <dmueller@suse.de>
10588 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
10589 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
10590 * c-parser.c (c_parser_if_body): Always add an empty statement in case
10592 * c-parser.c (c_parser_do_statement): Warn about empty body in
10593 do/while statement.
10594 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
10595 * doc/invoke.texi (-Wempty-body): Update documentation.
10597 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10600 * c-common.h (warn_for_div_by_zero): Declare.
10601 * c-common.c (warn_for_div_by_zero): Define.
10602 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
10605 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10607 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
10608 to PREFIX and STANDARD_PREFIX.
10610 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10611 Phil Edwards <phil@codesourcery.com>
10613 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
10614 (__gthread_once_t): Remove busy field for RTPs.
10615 (__GTHREAD_ONCE_INIT): Update accordingly.
10617 2007-03-14 Richard Sandiford <richard@codesourcery.com>
10619 * doc/invoke.texi: Document VxWorks options.
10621 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
10623 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
10625 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
10627 PR tree-optimization/30590
10628 * tree-nrv.c (tree_nrv): Check for the partial update of the
10631 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10633 * flags.h (flag_random_seed): Remove declaration, in favor of...
10634 * toplev.h (get_random_seed, set_random_seed): ... these.
10635 * tree.c (get_file_function_name): Use the former.
10636 * opts.c (common_handle_option): Use the latter.
10639 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
10641 PR middle-end/31127
10642 * cse.c (cse_find_path): Do not bail out if a basic block that
10643 we already visited now becomes part of a path that starts at a
10644 different basic block. Just disallow this, to make sure we
10645 visit each basic block at most once.
10647 2007-03-13 Jan Hubicka <jh@suse.cz>
10649 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
10650 attributes, when profile esitmate is present, calls with very low
10651 frequency are cold.
10653 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10655 PR tree-optimization/30730
10656 PR tree-optimization/26900
10657 * tree-ssa-loop-niter.c: Include gmp.h.
10658 (bounds): New type.
10659 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
10660 split_to_var_and_offset, determine_value_range,
10661 bound_difference_of_offsetted_base, refine_bounds_using_guard,
10662 bound_difference, bounds_add, bounds_negate,
10663 number_of_iterations_ne_max, dump_affine_iv): New functions.
10664 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10665 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
10666 difference of initial and final value of control iv to validate
10668 (number_of_iterations_cond): Add loop parameter. Determine bounds
10669 on the difference of the extremes of the control iv. Add dumps.
10670 (expand_simple_operations): Handle phi nodes.
10671 (simplify_using_initial_conditions): Do not record used conditions.
10672 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
10673 Do not set additional_info.
10674 (implies_nonnegative_p, implies_ge_p): Removed.
10675 (derive_constant_upper_bound): Do not use parameter `additional'.
10676 (record_estimate): Parameter `additional' removed. Parameter
10677 `i_bound' added. Do not call derive_constant_upper_bound.
10678 (record_nonwrapping_iv): Use derive_constant_upper_bound to
10679 bound the number of iterations estimate.
10680 (estimate_numbers_of_iterations_loop): Pass the estimate from
10681 the number of iterations analysis to record_estimate.
10682 * tree.h (multiple_of_p): Declare.
10683 * tree-scalar-evolution.c (expression_expensive_p): Removed.
10684 (scev_const_prop): Do not check expression_expensive_p.
10685 * fold-const.c (multiple_of_p): Exported.
10686 * double-int.c (double_int_mask): Exported.
10687 * double-int.h (double_int_mask): Declare.
10688 * tree-flow.h (struct tree_niter_desc): Removed additional_info
10689 field. Added max field.
10691 2007-03-13 David Taylor <taylor@candd.org>
10694 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
10697 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10700 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
10701 two unamed patterns.
10703 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
10705 * config/i386/i386.opt (mcx16, msahf): New options.
10706 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
10707 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
10709 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
10710 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
10711 Output -mcx16 and -msahf options when corresponding bit is set.
10713 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
10714 and -msahf options.
10716 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
10718 * configure.ac: Test for assembler tolerance to # 0 "".
10719 * configure, config.in: Rebuilt.
10720 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
10722 2007-03-13 Geoffrey Keating <geoffk@apple.com>
10724 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
10726 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
10727 (handle_syscall): Handle direct system calls.
10728 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
10730 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10732 * doc/invoke.texi: Fix cpp.info cross-reference.
10733 * doc/passes.texi: Fix gcc.info cross-reference.
10735 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
10737 PR tree-optimization/30835
10738 * lambda-code.c (can_convert_to_perfect_nest): Check whether
10739 bb_for_stmt is not NULL before accessing it.
10741 2007-03-12 Joseph Myers <joseph@codesourcery.com>
10743 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
10746 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
10749 * doc/install.texi: Document --enable-stage1-languages
10751 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
10753 * tree-pass.h (pass_into_cfg_layout_mode,
10754 pass_outof_cfg_layout_mode): Declare.
10755 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
10756 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
10757 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
10758 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
10760 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
10762 * c-decl.c (warn_variable_length_array): New function.
10763 Refactored from grokdeclarator to handle warn_vla
10764 and handle unnamed array case.
10765 (grokdeclarator): Refactored VLA warning case.
10766 * c.opt (Wvla): New flag.
10767 * doc/invoke.texi (Wvla): New warning.
10769 2007-03-12 Richard Henderson <rth@redhat.com>
10771 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
10772 (TARGET_SECTION_TYPE_FLAGS): New.
10774 2007-03-12 Richard Henderson <rth@redhat.com>
10776 * config/darwin.c (machopic_reloc_rw_mask): New.
10777 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
10778 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
10780 2007-03-12 Mark Mitchell <mark@codesourcery.com>
10782 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
10783 * cppdefault.h (cpp_PREFIX): Document.
10784 (cpp_PREFIX_len): Likewise.
10785 (cpp_EXEC_PREFIX): New variable.
10786 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
10787 * c-incpath.c (add_standard_paths): Correct logic for relocating
10788 paths within prefix.
10790 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
10792 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
10793 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
10795 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
10796 fix_truncdfdi_sse using SSEMODEF mode macro.
10797 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
10798 fix_truncdfsi_sse using SSEMODEF mode macro.
10799 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
10800 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
10802 2007-03-12 Richard Sandiford <richard@codesourcery.com>
10804 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
10805 elfos.h to tm_file.
10807 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
10809 * tree.h : Add multiple_of_p declaration.
10810 * fold-const.c (multiple_of_p): Make multiple_of_p public.
10811 * ipa-type-escape.c (results_of_malloc): Redundant.
10812 (visited_stmts): New. Visited stmt for walk_use_def_chains.
10813 (cast_type): Extended with new members.
10814 (check_cast): Returns cast_type.
10815 (cast): New structure for data of walk_use_def_chains.
10816 (is_malloc_result, is_cast_from_non_pointer_1,
10817 is_cast_from_non_pointer,
10818 is_array_access_through_pointer_and_index): New functions.
10819 (look_for_casts): Returns cast types.
10820 (check_call): Returns void.
10821 (okay_pointer_operation): Use support of pointer plus index,
10822 pointer plus constant and allow all multiplications.
10824 2007-03-11 Richard Guenther <rguenther@suse.de>
10826 PR tree-optimization/31115
10827 * tree-vrp.c (extract_range_from_binary_expr): Make sure
10828 the shift count is positive and non-anti-range for RSHIFT_EXPR.
10829 A shift count of zero is not special as with *_DIV_EXPR.
10830 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
10833 2007-03-11 Ian Lance Taylor <iant@google.com>
10835 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
10836 the *_DIV_EXPR codes correctly with overflow infinities.
10838 2007-03-11 Ira Rosen <irar@il.ibm.com>
10840 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
10841 indicate success/failure of the analysis. Add negation to subtrahend
10842 in case of subtraction. Fail if both operands contain constants.
10843 (create_data_ref): Fail if analyze_offset fails.
10845 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
10847 * config/i386/i386.md (frndintxf2): Rename to ...
10848 (rintxf2): ... this. Remove expander having same name.
10849 (rintsf2, rintdf2): Implement using SSEMODEF macro.
10850 (roundsf2, rounddf2): Ditto.
10851 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
10852 (lround<mode>di2, lround<mode>si2): Ditto.
10854 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
10856 * lower-subreg.c: Include except.h.
10857 (decompose_multiword_subregs): Verify that the only control flow
10858 insns we can split are loads to multi-words pseudos.
10859 Handle breaking such blocks after splitting, instead of calling
10860 find_many_sub_basic_blocks.
10862 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
10863 on the new basic block. Add a lengthy comment explaining why we
10864 thought this was necessary.
10865 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
10867 2007-03-10 Mark Mitchell <mark@codesourcery.com>
10870 * tree.c (walk_type_fields): Recurse into the element type of
10871 ARRAY_TYPEs if there is a pointer set.
10873 2007-03-10 Dirk Mueller <dmueller@suse.de>
10875 * c-common.c (warn_logical_operator): Fix condition.
10877 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
10879 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
10881 * config/darwin.c (machopic_select_section): Remove superfluous
10882 argument in call to categorize_decl_for_section. Remove unused
10885 2007-03-10 Joseph Myers <joseph@codesourcery.com>
10887 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
10889 * configure: Regenerate.
10891 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
10894 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
10895 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
10896 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
10897 Add LABEL_NUSES to emitted label.
10898 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
10899 branch probability value to emitted jump insn.
10900 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
10901 Do not check life information and do not re-arrange input operands
10902 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
10904 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10906 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
10907 the change of decode_asm_operands.
10909 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
10911 * mode-switching.c (create_pre_exit): Skip blockage insn.
10913 2007-03-09 Diego Novillo <dnovillo@redhat.com>
10915 * tree-pass.h (TODO_update_smt_usage): Remove.
10917 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
10921 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10923 * pa.c (attr_length_call): Revise condition for long
10924 pc-relative branch.
10925 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
10926 local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
10927 sequence on SOM target.
10929 2007-03-09 Geoffrey Keating <geoffk@apple.com>
10931 * gcc.c: Document %{, in big comment at top.
10932 (input_suffix_matches): Remove special handling for .s and
10934 (input_spec_matches): New.
10935 (handle_braces): Handle %{,.
10936 (validate_switches): ',' indicates a value which is not a switch.
10937 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
10938 to detect assembler input.
10939 * config/i386/sol2.h (CPP_SPEC): Likewise.
10940 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
10941 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
10942 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
10943 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
10944 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
10945 -m64 causes deployment target to default to 10.5.
10946 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10948 2007-03-09 Richard Henderson <rth@redhat.com>
10951 * target.h (targetm.asm.out.reloc_rw_mask): New.
10952 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
10953 (TARGET_ASM_OUT): Use it.
10954 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
10955 * varasm.c (categorize_decl_for_section): Remove shlib argument;
10956 use the new reloc_rw_mask target hook instead.
10957 (default_section_type_flags_1): Merge into...
10958 (default_section_type_flags): ... here.
10959 (decl_readonly_section_1): Merge into...
10960 (decl_readonly_section): ... here.
10961 (default_elf_select_section_1): Merge into...
10962 (default_elf_select_section): ... here.
10963 (default_unique_section_1): Merge into...
10964 (default_unique_section): ... here.
10965 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
10966 (default_select_rtx_section): Use it.
10967 (default_elf_select_rtx_section): Likewise.
10968 * output.h: Update to match.
10969 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
10970 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
10971 (TARGET_ASM_RELOC_RW_MASK): New.
10972 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
10973 to categorize_decl_for_section.
10974 (x86_64_elf_unique_section): Likewise.
10975 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
10976 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
10977 (TARGET_ASM_RELOC_RW_MASK): New.
10978 * config/ia64/ia64.c (ia64_rwreloc_select_section,
10979 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
10980 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
10981 (TARGET_RWRELOC): Remove.
10982 (ia64_section_type_flags): Adjust call to default_section_type_flags.
10983 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10984 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
10985 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
10986 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
10987 (rs6000_xcoff_select_section): Use decl_readonly_section.
10988 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
10989 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
10990 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
10991 (TARGET_SECTION_TYPE_FLAGS): Remove.
10992 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
10994 2007-03-09 Roger Sayle <roger@eyesopen.com>
10996 * fold-const.c (fold_comparison): Remove compile-time evaluation of
10997 complex constant equality/inequality comparisons for here.
10998 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
10999 known at compile-time or can be simplified to a scalar comparison.
11000 (fold_relational_const): Move compile-time evaluation of complex
11001 constant equality/inequality comparisons to here.
11003 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11005 PR rtl-optimization/30643
11006 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
11008 (fold_rtx): Recurse, like before 2006-11-03.
11010 2007-03-09 DJ Delorie <dj@redhat.com>
11012 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
11015 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
11017 PR tree-optimization/30375
11018 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
11019 LHS of statements is not the same.
11020 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
11022 2007-03-09 Chao-ying Fu <fu@mips.com>
11024 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
11026 * doc/invoke.texi (-mdspr2): Document new option.
11027 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
11028 New unspec for DSP REV 2.
11029 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
11030 these instructions are extended in DSP REV 2.
11031 (mips-dspr2.md): Include.
11032 * config/mips/mips.opt (mdspr2): New option.
11033 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
11034 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
11035 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
11036 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
11037 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
11038 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
11039 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
11041 (bdesc_map): Add one field of unsupported_target_flags.
11042 (bdesc_arrays): Update entries to have extra fields. Add
11044 (mips_init_builtins): Initialize new function types.
11045 Check unsupported_target_fileds to filter out builtins.
11046 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
11048 (ASM_SPEC): Pass mdspr2 to the assembler.
11049 * config/mips/mips-dspr2.md: New file.
11051 2007-03-09 Sa Liu <saliu@de.ibm.com>
11053 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
11055 2007-03-09 Ian Lance Taylor <iant@google.com>
11057 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
11058 argument) like -Wstrict-overflow=2.
11059 * doc/invoke.texi (Warning Options): Update documentation.
11061 2007-03-09 Dirk Mueller <dmueller@suse.de>
11064 * doc/invoke.texi (-Wlogical-op): Document.
11065 * common.opt (-Wlogical-op): New.
11066 * c-common.h (warn_logical_operator): Declare.
11067 * c-common.c (warn_logical_operator): Define.
11068 * c-typeck.c (parser_build_binary_op): Call
11069 warn_logical_operator.
11071 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11073 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
11074 * final.c (final_scan_insn): Test for non-"" file name.
11076 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
11078 * doc/loop.texi: Document the Omega linear constraints solver.
11079 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
11080 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
11081 omega-hash-table-size, omega-max-keys, and
11082 omega-eliminate-redundant-constraints.
11083 * tree-pass.h (pass_check_data_deps): Declared.
11086 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
11087 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
11088 pass_check_data_deps): New.
11089 * tree-data-ref.c (init_data_ref): Remove declaration.
11090 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
11091 (analyze_array): Renamed init_array_ref, move up initializations.
11092 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
11093 Removed arguments that are set to NULL.
11094 (analyze_indirect_ref): Correct indentation, correct call to
11096 (object_analysis): Call init_array_ref instead of analyze_array.
11097 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
11098 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
11099 of DR_ACCESS_FNS_ADDR.
11100 (init_omega_eq_with_af, omega_extract_distance_vectors,
11101 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
11102 ddr_consistent_p): New.
11103 (compute_affine_dependence): Check consistency of ddrs when
11104 flag_check_data_deps is passed.
11105 (analyze_all_data_dependences): Uncomment.
11106 (tree_check_data_deps): New.
11107 * tree-data-ref.h: Include omega.h.
11108 (DR_ACCESS_FNS_ADDR): Removed.
11109 (data_dependence_relation): Add inner_loop.
11110 (DDR_INNER_LOOP): New.
11111 * common.opt (fcheck-data-deps): New.
11112 * tree-flow.h (tree_check_data_deps): Declare.
11113 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
11114 (OBJS-common): Depend on omega.o.
11116 * passes.c (pass_check_data_deps): Scheduled.
11117 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
11118 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
11119 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
11120 PARAM_VECT_MAX_VERSION_CHECKS,
11121 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
11123 2007-03-09 Richard Guenther <rguenther@suse.de>
11125 PR tree-optimization/30904
11126 PR middle-end/31058
11127 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
11128 the same way as *_DIV_EXPR.
11130 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11132 * recog.c (decode_asm_operands): No mixed declarations and code.
11134 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11136 * rtl.def (ASM_INPUT): Add location.
11137 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
11138 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
11139 (decode_asm_operands): Add loc operand.
11140 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
11141 * stmt.c (expand_asm): Rename to...
11142 (expand_asm_loc): ... this. Add locus argument. Pass it on to
11143 gen_rtx_ASM_INPUT_loc.
11144 (expand_asm_expr): Adjust.
11145 * recog.c (decode_asm_operands): Add loc operand.
11146 (check_asm_operands, extract_insn): Adjust.
11147 * reload1.c (maybe_fix_stack_asms): Likewise.
11148 * final.c (asm_insn_count): Likewise.
11149 (final_scan_insn): Output # line before and after asm.
11151 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
11153 * tree-ssa-structalias.c (variable_info): Remove
11155 (new_var_info): Ditto.
11156 (shared_bitmap_info_t): New structure.
11157 (shared_bitmap_table): New variable.
11158 (shared_bitmap_hash): New function.
11159 (shared_bitmap_eq): Ditto
11160 (shared_bitmap_lookup): Ditto.
11161 (shared_bitmap_add): Ditto.
11162 (merge_smts_into): Change to take bitmap directly.
11163 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
11164 (init_alias_vars): Init shared bitmap hashtable.
11165 (delete_points_to_sets): Delete shared bitmap hashtable.
11166 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
11167 is_aliased removal as a change that was still necessary was
11170 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
11172 * config/i386/i386.h (override_options): Conditionally disable
11173 x86_sahf for 64bit targets only.
11175 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
11178 * c-decl.c (merge_decls): Don't call make_var_volatile.
11179 * varasm.c (make_var_volatile): Remove.
11180 * output.h (make_var_volatile): Remove.
11182 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
11184 PR tree-optimization/31085
11185 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
11187 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11189 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
11190 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
11191 ATTR_CONST_NOTHROW_LIST.
11193 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11196 2007-03-08 Diego Novillo <dnovillo@redhat.com>
11198 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
11200 2007-03-08 Geoffrey Keating <geoffk@apple.com>
11203 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
11205 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
11206 passed, use shared libgcc.
11208 2007-03-08 Roger Sayle <roger@eyesopen.com>
11210 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
11211 instead of calling build2 with a GIMPLE_MODIFY_STMT.
11212 (honor_protect_cleanup_actions, lower_try_finally_switch):
11214 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
11215 ifc_temp_var): Likewise.
11216 * tree-inline.c (setup_one_parameter): Likewise.
11217 * tree-mudflap.c (mf_decl_cache_locals,
11218 mf_build_check_statement_for): Likewise.
11219 * tree-nested.c (init_tmp_var, save_tmp_var,
11220 finalize_nesting_tree_1): Likewise.
11221 * tree-outof-ssa.c (insert_copy_on_edge,
11222 insert_backedge_copies): Likewise.
11223 * tree-profile.c (tree_gen_edge_profiler,
11224 tree_gen_ic_profiler): Likewise.
11225 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11226 * tree-sra.c (sra_build_assignment): Likewise.
11227 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
11228 * tree-ssa-math-opts.c (insert_reciprocals,
11229 execute_cse_sincos_1): Likewise.
11230 * tree-tailcall.c (adjust_accumulator_values,
11231 adjust_return_value): Likewise.
11232 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
11233 * tree-vect-transform.c (vect_create_data_ref_ptr,
11234 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
11235 vect_create_epilog_for_reduction, vectorizable_reduction,
11236 vectorizable_call, vectorizable_conversion,
11237 vectorizable_assignment, vectorizable_operation,
11238 vectorizable_type_demotion, vect_gen_widened_results_half,
11239 vect_permute_store_chain, vectorizable_store,
11240 vect_setup_realignment, vect_permute_load_chain,
11241 vectorizable_load, vectorizable_condition,
11242 vect_create_cond_for_align_checks): Likewise.
11243 * tree-vrp.c (build_assert_expr_for): Likewise.
11245 2007-03-08 Ian Lance Taylor <iant@google.com>
11247 * tree-vrp.c: Include "intl.h".
11248 (usable_range_p): New static function.
11249 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
11250 overflowed values, juts set *strict_overflow_p.
11251 (compare_values): Only return -2 if one of the operands is not a
11253 (compare_ranges): Call usable_range_p.
11254 (compare_range_with_value): Likewise.
11255 (vrp_evaluate_conditional_warnv): Rename from
11256 vrp_evaluate_conditional. Make static. Change all callers.
11257 (vrp_evaluate_conditional): New function.
11258 (simplify_div_or_mod_using_ranges): Issue warning about reliance
11259 on signed overflow.
11260 (simplify_abs_using_ranges): Likewise.
11261 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
11262 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
11263 within_stmt parameter.
11264 * tree-ssa-propagate.c (fold_predicate_in): Update call to
11265 vrp_evaluate_conditional.
11266 * tree-ssa-threadedge.c
11267 (record_temporary_equivalences_from_stmts_at_dest): Change
11268 simplify parameter to take a second tree parameter.
11269 (simplify_control_stmt_condition): Likewise.
11270 (thread_across_edge): Likewise.
11271 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11272 (thread_across_edge): Likewise.
11273 * Makefile.in (tree-vrp.o): Depend upon intl.h.
11275 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
11277 * config/i386/i386.h (TARGET_SAHF): New define.
11278 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
11279 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
11280 (x86_sahf): New global variable.
11281 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
11282 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
11283 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
11284 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
11286 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
11287 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
11288 when expanding fcomi/sahf based tests.
11289 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
11290 expanding sahf based alternative. Emit sahf based sequence when
11291 optimizing for code size.
11292 * config/i386/i386.md (x86_sahf_1): Do not disable for
11293 TARGET_64BIT, enable for TARGET_SAHF.
11295 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
11297 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
11298 spurious whitespace from error message.
11300 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
11303 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
11305 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
11307 * c-decl.c (grokdeclarator): Disable warnings for anonymous
11309 * tree-sra.c (instantiate_element): Propagate disabled warnings
11310 from the element itself to the created variable.
11312 2007-03-07 Richard Henderson <rth@redhat.com>
11315 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
11316 silently fix up the stack in the case of a missing register.
11318 2007-03-07 Paul Brook <paul@codesourcery.com>
11320 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
11322 2007-03-07 Joseph Myers <joseph@codesourcery.com>
11324 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
11326 (phase1_vrs): Use them.
11327 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
11328 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
11329 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
11330 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
11331 __gnu_Unwind_Restore_WMMXC if required.
11332 (_Unwind_VRS_Pop): Implement iWMMXt support.
11333 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
11334 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
11335 gnu_Unwind_Save_WMMXC): Define.
11337 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11339 * config/vxworks.h (vxworks_override_options): Declare.
11340 (VXWORKS_OVERRIDE_OPTIONS): Use it.
11341 * config/vxworks.c: Include target.h and toplev.h.
11342 (vxworks_override_options): New function.
11343 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
11345 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
11347 * config/s390/s390.c (override_options): Don't emit an error when
11348 -mstack-size is used without providing -mstack-guard.
11349 (s390_emit_prologue): Choose stack_guard value automatically if not
11350 provided via command line.
11351 * doc/invoke.texi: Adjust description of -mstack-guard and
11354 2007-03-07 Richard Sandiford <richard@codesourcery.com>
11356 * config/i386/i386.c (output_set_got): Add a GOT initialization
11357 sequence for VxWorks PIC.
11358 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
11359 around labels as well as symbols. Use gotoff_operand instead
11360 of local_symbolic_operand.
11361 (legitimize_pic_address): Use gotoff_operand instead of
11362 local_symbolic_operand. Use @GOT accesses for labels as
11364 (ix86_output_addr_diff_elt): Use PC-relative rather than
11365 GP-relative offsets for VxWorks PIC.
11366 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
11367 no_new_pseudos. Check whether the returned register is op0.
11368 * config/i386/i386.md (tablejump): Use PC-relative rather than
11369 GP-relative offsets for VxWorks PIC.
11370 * config/i386/predicates.md (gotoff_operand): New predicate.
11372 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11374 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
11376 * config/vxworks-dummy.h: New file.
11377 * config/i386/i386.h: Include it.
11379 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
11381 * dwarf2out.c (is_inlined_entry_point): New
11382 (add_high_low_attributes): Emit DW_AT_entry_pc along with
11383 DW_AT_ranges if the first subblock is the entry point.
11385 2007-03-06 David Daney <ddaney@avtrex.com>
11387 * doc/install.texi (mips-*-*): Change recommended binutils
11390 2007-03-06 Anatoly Sokolov <aesok@post.ru>
11392 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
11393 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
11395 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
11396 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
11398 2007-03-06 Jan Hubicka <jh@suse.cz>
11400 * errors.h (warning, error, fatal, internal_error): Mark as cold.
11401 * predict.c (maybe_hot_bb): Cold functions are never hot; hot
11403 (probably_cold_bb_p): Cold functions are cold.
11404 (probably_never_executed_bb_p): Cold functions are cold.
11405 (tree_bb_level_predictions): Predict calls to cold functions as not
11407 (compute_function_frequency): Check hot/cold attributes.
11408 * function.h (function_frequency): Update comments.
11409 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
11410 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
11411 (c_common_att): Add cold and hot.
11413 * doc/extend.texi (hot,cold attributes): Document.
11415 2007-03-06 Andrew Haley <aph@redhat.com>
11417 * function.c (expand_function_end): Move blockage to just after we
11418 emit the label for the naked return from the function.
11420 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11422 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
11425 2007-03-06 Jan Hubicka <jh@suse.cz>
11427 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
11428 loaded for constant large models. Non-large 64bit PIC can do.
11429 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
11430 * cmodel.h: Add LARGE PIC.
11431 * i386.md (UNSPEC_PLTOFF): New.
11432 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
11434 (*call_1_rex64): Disable for large models.
11435 (*call_1_rex64_large): New.
11436 (*call_value_1_rex64): Disable for large models.
11437 (*call_value_1_rex64_large): New.
11438 (set_rip_rex4): New.
11439 (set_got_offset_rex64): New.
11440 * predicates.md (constant_call_address_operand): For large model
11441 constant calls are not possible.
11442 * i386-protos.h (construct_plt_address): Declare.
11443 * i386.c (override_options): Accept large models.
11444 (ix86_expand_prologue): Expand large PIC GOT pointer load.
11445 (legitimate_constant_p): Add new UNSPECs.
11446 (legitimate_pic_operand_p): Likewise.
11447 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
11448 (legitimize_pic_address): Do easy RIP relative way for TLS only for
11450 (output_pic_addr_const): Add PLTOFF.
11451 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
11452 (ix86_expand_move): Legitimize pic address when in PIC mode.
11453 (construct_plt_address): New function.
11454 (ix86_expand_call): Offload the address to register and use GOT
11455 pointer for large model.
11456 * invoke.texi (mcmodel=large): Update documentation.
11458 2007-03-06 Richard Henderson <rth@redhat.com>
11460 * config/i386/i386.c (x86_use_leave, x86_push_memory,
11461 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
11462 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
11463 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
11464 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
11465 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
11466 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
11467 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
11468 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
11469 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
11470 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11471 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
11472 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11473 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11474 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
11475 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
11476 x86_schedule, x86_use_bt, x86_pad_returns,
11477 x86_use_xchgb): Merge into ...
11478 (ix86_tune_features): ... here. New array.
11479 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11480 x86_bswap): Merge into ...
11481 (ix86_arch_features): ... here. New array.
11482 (x86_3dnow_a): Remove.
11483 (x86_accumulate_outgoing_args): Make static.
11484 (x86_arch_always_fancy_math_387): Make static.
11485 (ix86_tune_mask, ix86_arch_mask): Move ...
11486 (override_options): ... to local variables here. Apply the
11487 appropriate mask to each element of ix86_arch_features and
11488 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
11489 as were done in the old macros.
11490 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
11491 * config/i386/i386.h (x86_use_leave, x86_push_memory,
11492 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
11493 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
11494 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
11495 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
11496 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
11497 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
11498 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
11499 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
11500 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
11501 x86_partial_reg_dependency, x86_memory_mismatch_stall,
11502 x86_accumulate_outgoing_args, x86_prologue_using_move,
11503 x86_epilogue_using_move, x86_decompose_lea,
11504 x86_arch_always_fancy_math_387, x86_shift1,
11505 x86_sse_partial_reg_dependency, x86_sse_split_regs,
11506 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
11507 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
11508 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
11509 x86_use_incdec, x86_pad_returns, x86_bswap,
11510 x86_partial_flag_reg_stall): Remove.
11511 (enum ix86_tune_indices): New.
11512 (ix86_tune_features): New.
11513 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
11514 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
11515 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
11516 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
11517 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
11518 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
11519 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
11520 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
11521 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
11522 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
11523 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
11524 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
11525 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
11526 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
11527 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
11528 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
11529 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
11530 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
11531 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
11532 TARGET_EXT_80387_CONSTANTS): Use it.
11533 (enum ix86_arch_indices): New.
11534 (ix86_arch_features): New.
11535 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
11536 TARGET_BSWAP): Use it.
11537 (ix86_tune_mask, ix86_arch_mask): Remove.
11539 2007-03-06 Joseph Myers <joseph@codesourcery.com>
11542 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
11543 Define using $${sysroot_headers_suffix}.
11544 * configure: Regenerate.
11545 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
11546 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
11548 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
11549 * gcc.c (print_sysroot_headers_suffix): New.
11550 (option_map): Include --print-sysroot-headers-suffix.
11551 (display_help): Mention -print-sysroot-headers-suffix.
11552 (process_command): Handle -print-sysroot-headers-suffix.
11553 (do_spec_1): Append multilib directory to include-fixed path if
11554 sysroot suffixes in use.
11555 (main): Handle -print-sysroot-headers-suffix.
11556 * Makefile.in (start.encap): Don't depend on xlimits.h
11557 (xlimits.h): Remove.
11558 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
11559 limits.h for each multilib in fixinc_list.
11560 (fixinc_list, s-fixinc_list): New.
11561 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
11562 generate them for each multilib in fixinc_list.
11563 (stmp-fixproto): Use include-fixed. Run fixproto for each
11564 multilib in fixinc_list.
11565 (mostlyclean): Don't remove xlimits.h.
11566 (clean): Remove include-fixed.
11567 (real-install-headers-tar, real-install-headers-cpio,
11568 real-install-headers-cp): Don't copy include, only include-fixed.
11569 (install-mkheaders): Depend on fixinc_list. Don't depend on
11570 xlimits.h. Save limits.h files for each multilib in fixinc_list.
11571 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
11572 SYSTEM_HEADER_DIR setting in mkheaders.conf.
11574 2007-03-06 Jan Hubicka <jh@suse.cz>
11576 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
11579 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11581 * configure.ac: Allow tm_file to contain build-directory files.
11582 * configure: Regenerate.
11583 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
11584 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
11585 * config/m68k/print-sysroot-suffix.sh: New file.
11587 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11589 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
11590 of pic_offset_table_rtx if reload_completed.
11591 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
11592 PIC_OFFSET_TABLE_REGNUM.
11593 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
11595 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
11596 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
11598 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11600 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11601 functions that call eh_return.
11603 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11605 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
11606 functions that need a constant pool.
11608 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11611 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
11612 (m68k_preferred_reload_class): Likewise.
11613 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
11614 (SECONDARY_RELOAD_CLASS): Define.
11615 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
11616 (LIMIT_RELOAD_CLASS): Delete.
11617 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
11618 registers from storing bytes.
11619 (m68k_secondary_reload_class): New function.
11620 (m68k_preferred_reload_class): Likewise.
11622 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11624 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
11626 (m68k_expand_prologue): Likewise.
11628 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11630 * config/m68k/m68k-protos.h (output_sibcall): Declare.
11631 (mips_expand_epilogue): Add a bool parameter.
11632 (m68k_legitimize_sibcall_address): Declare.
11633 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
11634 (m68k_expand_epilogue): Add a parameter to select between sibling
11635 and normal epilogues. Only generate a return for the latter.
11636 (m68k_ok_for_sibcall_p): New function.
11637 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
11638 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
11639 (sibcall_value, *sibcall_value): Likewise.
11640 (*call, *call_value): Require !SIBLING_CALL_P.
11641 (epilogue): Update call to m68k_expand_epilogue.
11642 (sibcall_epilogue): New pattern.
11643 * config/m68k/predicates.md (const_call_operand): Say that this
11644 predicate applies to sibling calls too.
11645 (sibcall_operand): New predicate.
11647 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11649 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
11650 alternatives as movsi_cf.
11651 (movsf_cf_hard): Add commentary.
11653 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
11654 Richard Sandiford <richard@codesourcery.com>
11656 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11657 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
11658 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
11659 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
11660 as being live on exit from an interrupt function.
11661 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
11662 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
11663 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
11664 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
11665 (m68k_interrupt_function_p): Globalize.
11666 (m68k_compute_frame_layout): Remove reverse mask code.
11667 (m68k_emit_movem, m68k_set_frame_related): New functions.
11668 (m68k_output_function_prologue): Delete in favor of...
11669 (m68k_expand_prologue): ...this new function.
11670 (m68k_output_function_epilogue): Delete in favor of...
11671 (m68k_expand_epilogue): ...this new function.
11672 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
11674 (print_operand): Handle %?.
11675 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
11676 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
11677 (prologue, epilogue): New patterns.
11678 (return): Turn into a define_expand.
11679 (*return): New pattern, derived from old "return" pattern. Use rte
11680 rather than rts for interrupt functions. Only use rtd if the pop
11682 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
11683 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
11684 (link, *link, unlink, *unlink, load_got): Likewise.
11686 2007-03-06 Richard Sandiford <richard@codesourcery.com>
11690 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
11691 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
11692 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
11693 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
11694 and m68k_matches_u_p.
11695 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
11696 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
11697 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
11698 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
11699 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
11700 (REG_STRICT_P): New macro.
11701 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
11702 PCREL_GENERAL_OPERAND_OK.
11703 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
11704 m68k_legitimate_base_reg_p.
11705 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
11706 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
11707 (PIC_CASE_VECTOR_ADDRESS): Update comment.
11708 * config/m68k/m68k.c (m68k_address): New structure.
11709 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
11710 (m68k_decompose_index, m68k_legitimate_constant_address_p)
11711 (m68k_jump_table_ref_p, m68k_decompose_address)
11712 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
11713 (m68k_matches_u_p): New functions.
11714 (print_operand_address): Rewrite to use m68k_decompose_index.
11716 2007-03-05 David Taylor <dtaylor@emc.com>
11718 * gcc.c: Correct copyright date in --version output.
11720 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11722 * pa.md: In unamed move patterns, disparge copies between general
11723 and floating point registers using '?' modifier. Don't include 'f'
11724 constraint for register preferences in DImode, SImode, HImode and
11725 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
11726 Remove constraints for copies between general and floating registers
11727 in soft-float DFmode pattern.
11728 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
11732 2007-03-05 Mike Stump <mrs@apple.com>
11734 * c-common.c (targetcm): Add.
11735 * c-opts.c (c_common_handle_option): Handle language specific
11737 * opts.c (handle_option): Verify language for target options, if
11739 * opth-gen.awk: Add CL_LANG_ALL.
11740 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
11741 (TARGETCM_INITIALIZER): Add.
11742 * target.h (struct gcc_targetcm): Add.
11744 * targhooks.c (default_handle_c_option): Add.
11745 * targhooks.h (default_handle_c_option): Add.
11746 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
11748 * config/darwin.opt (iframework): Add.
11749 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
11750 * config/darwin-c.c (handle_c_option): Add.
11751 (TARGET_HANDLE_C_OPTION): Add.
11753 * doc/invoke.texi (Darwin Options): Add -iframework.
11755 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11757 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
11760 2007-03-05 Ian Lance Taylor <iant@google.com>
11762 * c.opt (fgnu89-inline): New option.
11763 * c-opts.c (c_common_post_options): Set default value for
11765 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
11766 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
11768 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
11769 (grokdeclarator, start_function): Likewise.
11770 * c-cppbuiltin.c (c_cpp_builtins): Define either
11771 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
11772 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
11773 (C Dialect Options): Document -fgnu89-inline.
11774 * doc/extend.texi (Function Attributes): Explain what the
11775 gnu_inline attribute does.
11776 * doc/cpp.texi (Common Predefined Macros): Document
11777 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
11779 2007-03-05 Ian Lance Taylor <iant@google.com>
11781 PR tree-optimization/31034
11782 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
11783 half-range if the other side is an overflow infinity.
11785 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
11787 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
11788 (bfin*-linux-uclibc*): New configuration.
11789 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
11791 * config/bfin/linux.h: New file.
11792 * config/bfin/libgcc-bfin.ver: New file.
11793 * config/bfin/t-bfin-uclinux: New file.
11794 * config/bfin/t-bfin-linux: New file.
11795 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
11796 (TARGET_OS_CPP_BUILTINS): New macro.
11798 2007-03-05 Richard Guenther <rguenther@suse.de>
11800 * fold-const.c (fold_binary): Remove duplicate folding
11801 of comparison of non-null ADDR_EXPR against null.
11803 2007-03-05 Richard Guenther <rguenther@suse.de>
11804 Dorit Nuzman <dorit@il.ibm.com>
11806 PR tree-optimization/26420
11807 * tree-vectorizer.c (vectorize_loops): Bail out early if there
11808 are no loops in the function. Only print the number of
11809 vectorized loops if it is greater than zero or we are supposed
11810 to print information about unvectorized loops.
11812 2007-03-05 Revital Eres <eres@il.ibm.com>
11814 * gcc.dg/var-expand1.c: New test.
11815 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
11816 when an accumulator is expanded.
11818 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11821 * c-common.c (convert_and_check): Don't give warnings for
11822 conversion if 'expr' already overflowed.
11824 2007-03-04 Roger Sayle <roger@eyesopen.com>
11826 PR middle-end/30744
11827 * fold-const.c (fold_comparison): Enforce type consistency when
11828 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
11830 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
11832 * tree-ssa-address.c (create_mem_ref): Do not put an expression
11833 containing a cast to the base of TARGET_MEM_REF.
11835 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
11837 * tree.c (tree_contains_struct_check_failed): Remove spurious
11838 whitespace from error message.
11840 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
11843 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
11844 instead of precision.
11846 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
11847 Nathan Sidwell <nathan@codesourcery.com>
11849 * emit-rtl.c (find_auto_inc): New.
11850 (try_split): recreate REG_INC notes,
11851 Use regular for loops rather than whiles.
11853 2007-03-03 Andreas Schwab <schwab@suse.de>
11855 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
11856 * configure: Regenerate.
11858 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11860 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
11861 flag_rounding_math, not flag_unsafe_math_optimizations.
11863 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
11865 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
11866 alpha_fold_vector_minmax): Likewise.
11867 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
11868 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
11870 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11872 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
11873 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
11874 if the lhs has side-effects.
11875 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
11877 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11879 * config/i386/i386.h (TUNEMASK): Remove define.
11880 (ARCHMASK): Remove define.
11881 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
11882 Use ix86_arch_mask variable instead of ARCHMASK.
11883 * config/i386/i386.c (override_options): Ditto.
11884 (standard_80387_constant_p): Ditto.
11886 2007-03-02 Ian Lance Taylor <iant@google.com>
11888 Used signed infinities in VRP.
11889 * tree-vrp.c (uses_overflow_infinity): New static function.
11890 (supports_overflow_infinity): New static function.
11891 (make_overflow_infinity): New static function.
11892 (negative_overflow_infinity): New static function.
11893 (positive_overflow_infinity): New static function.
11894 (is_negative_overflow_infinity): New static function.
11895 (is_positive_overflow_infinity): New static function.
11896 (is_overflow_infinity): New static function.
11897 (overflow_infinity_range_p): New static function.
11898 (compare_values_warnv): New function split out of compare_values.
11899 (compare_value): Call it.
11900 (set_value_range_to_nonnegative): Add overflow_infinity
11901 parameter. Change caller.
11902 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
11904 (vrp_expr_computes_nonzero): Likewise.
11905 (compare_ranges, compare_range_with_value): Likewise.
11906 (compare_name_with_value, compare_names): Likewise.
11907 (vrp_evaluate_conditional): Likewise.
11908 (set_value_range): Handle infinity
11909 (vrp_operand_equal_p, operand_less_p): Likewise.
11910 (extract_range_from_assert): Likewise.
11911 (vrp_int_const_binop): Likewise.
11912 (extract_range_from_binary_expr): Likewise.
11913 (extract_range_from_unary_expr): Likewise.
11914 (extract_range_from_comparison): Likewise.
11915 (extract_range_from_expr): Likewise.
11916 (dump_value_range): Likewise.
11917 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
11918 (test_for_singularity): Likewise.
11919 (vrp_int_const_binop): Remove inline qualifier.
11920 (adjust_range_with_scev): Add comment.
11921 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
11923 2007-03-02 Diego Novillo <dnovillo@redhat.com>
11925 * tree-ssa-structalias.c (could_have_pointers): Tidy.
11926 (get_constraint_for): Likewise.
11927 (do_structure_copy): Likewise.
11928 (find_func_aliases): Fix references to MODIFY_EXPR.
11929 (intra_create_variable_infos): Tidy.
11930 * tree-ssa-operands.c (add_virtual_operand): Add argument
11932 When adding members of alias sets, if IS_CALL_SITE is true and
11933 the symbol is not call-clobbered, skip it.
11934 Adjust all callers.
11936 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
11938 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
11939 entry by means of emit_insn_at_entry.
11941 2007-03-02 Richard Henderson <rth@redhat.com>
11943 * expr.h (promoted_input_arg): Remove decl.
11944 * function.c (promoted_input_arg): Merge into ...
11945 * combine.c (setup_incoming_promotions): ... only caller.
11946 Rearrange to avoid double loop.
11948 2007-03-02 Ben Elliston <bje@au.ibm.com>
11949 Peter Bergner <bergner@vnet.ibm.com>
11950 Janis Johnson <janis187@us.ibm.com>
11952 * config/rs6000/dfp.md: New file.
11953 * config/rs6000/rs6000.md: Include dfp.md.
11954 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
11955 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
11956 and TDmode decimal float modes in FP registers.
11957 (num_insns_constant): Likewise.
11958 (rs6000_legitimate_offset_address_p): Likewise.
11959 (rs6000_legitimize_address): Likewise.
11960 (rs6000_legitimize_reload_address): Likewise.
11961 (rs6000_legitimate_address): Likewise.
11962 (rs6000_emit_move): Likewise.
11963 (function_arg_boundary): Likewise.
11964 (function_arg_advance): Likewise.
11965 (rs6000_darwin64_record_arg_recurse): Likewise.
11966 (function_arg): Likewise.
11967 (rs6000_gimplify_va_arg): Likewise.
11968 (rs6000_split_multireg_move): Likewise.
11969 (rs6000_output_function_epilogue): Likewise.
11970 (rs6000_output_function_epilogue): Likewise.
11971 (rs6000_register_move_cost): Likewise.
11972 (rs6000_function_value): Likewise.
11973 (rs6000_libcall_value): Likewise.
11975 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11977 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
11979 2007-03-02 Richard Sandiford <richard@codesourcery.com>
11981 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
11982 Use $MULTIDIR to choose between the kernel and RTP headers,
11983 and use $WIND_BASE and $WIND_USR to locate them.
11985 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11987 * config/i386/i386.c (override_options): Put initialization of
11988 ix86_tune_mask and ix86_arch_mask to the correct place.
11990 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
11991 Michael Meissner <michael.meissner@amd.com>
11994 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
11995 (ARCHMASK): Define.
11996 (TARGET_CMOVE): Use ARCHMASK.
11997 (TARGET_CMPXCHG): Ditto.
11998 (TARGET_CMPXCHG8B): Ditto.
11999 (TARGET_XADD): Ditto.
12000 (TARGET_BSWAP): Ditto.
12001 * config/i386/i386.c (ix86_tune_mask): New global variable.
12002 (ix86_arch_mask): Ditto.
12003 (override_options): Initialize ix86_tune_mask and
12004 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
12007 2007-03-02 Ben Elliston <bje@au.ibm.com>
12010 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
12012 2007-03-02 Joseph Myers <joseph@codesourcery.com>
12014 * target.h (init_dwarf_reg_sizes_extra): New target hook.
12015 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
12016 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
12017 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
12019 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
12020 rs6000_init_dwarf_reg_sizes_extra): New.
12021 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
12022 SPE register high parts.
12024 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
12026 * Makefile.in: Add install-pdf target as
12027 copied from automake v1.10 rules.
12028 * configure.ac: Add install-pdf to target list.
12029 * configure: Regenerate.
12031 2007-03-01 Paul Brook <paul@codesourcery.com>
12033 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
12034 modes to LDRD for DImode.
12035 (output_move_double): Fixup out of range ldrd/strd.
12036 (vfp_secondary_reload_class): Rename...
12037 (coproc_secondary_reload_class): ... to this. Add wb argument.
12038 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
12039 coproc_secondary_reload_class for CLASS_IWMMXT.
12040 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
12041 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
12043 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
12045 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
12046 unroll factor by the estimated number of iterations.
12047 (loop_prefetch_arrays): Do not prefetch in loops that iterate less
12048 than prefetch latency.
12050 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
12051 decode_caches_intel, detect_caches_intel): New functions.
12052 (host_detect_local_cpu): Use detect_caches_amd and
12053 detect_caches_intel.
12055 2007-03-01 Richard Henderson <rth@redhat.com>
12057 * expr.c (emit_move_complex_push): Export.
12058 (emit_move_complex_parts): Split out from ...
12059 (emit_move_complex): ... here.
12060 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
12061 * config/i386/i386.md (movcdi): New.
12063 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
12065 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
12066 size of mode1 to check for tieable modes in MMX case.
12068 2007-03-01 Richard Sandiford <richard@codesourcery.com>
12070 * Makefile.in (rtlanal.o): Depend on tree.h.
12071 * rtl.h (offset_within_section_p, split_const): Declare.
12072 * rtlanal.c: Include tree.h.
12073 (offset_within_block_p): New function, taken from
12074 mips_offset_within_object_p.
12075 (split_const): New function, taken from mips_split_const.
12076 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
12078 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
12079 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
12080 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
12081 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12082 (m68k_illegitimate_symbolic_constant_p): New function.
12083 * config/m68k/m68k.md (movsi): Remove misleading predicates.
12084 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
12085 symbolic constant that might be outside the symbol's section,
12086 move the symbol first and then add the offset.
12087 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
12089 * config/mips/mips.c (mips_split_const): Delete.
12090 (mips_offset_within_object_p): Delete.
12091 (mips_symbolic_constant_p): Use offset_within_section_p and
12092 split_const instead of mips_offset_within_object_p and
12094 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
12095 (mips_legitimize_const_move, print_operand_reloc)
12096 (mips_dangerous_for_la25_p): Use split_const instead of
12099 2007-02-28 Eric Christopher <echristo@apple.com>
12101 * Makefile.in (install-include-dir): Don't rm -rf include.
12103 2007-02-28 Richard Guenther <rguenther@suse.de>
12105 PR middle-end/30364
12106 * fold-const.c (fold_binary): Do not associate expressions
12107 with more than one variable for integer types that do not wrap.
12109 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
12111 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
12112 Delete, and replace with...
12113 (fold_builtin_call_array): This. Update callers to use it.
12114 * fold-const.c (fold_build_call_list): Delete, and replace with...
12115 (fold_build_call_array): This.
12116 (fold_build_call_list_initializer): Delete, and replace with...
12117 (fold_build_call_array_initializer): This.
12118 * tree.h: Update declarations to reflect above changes.
12120 * c-typeck.c (build_function_call): Store converted arguments
12121 in a stack-allocated array instead of building a list.
12122 (convert_arguments): Store arguments in the array passed in as an
12123 argument, and return the actual number of arguments.
12124 * c-format.c: (check_function_format): Pass arguments in an
12125 array instead of a list.
12126 * c-common.c (check_function_nonnull): Likewise.
12127 (check_function_sentinel): Likewise.
12128 (check_function_arguments): Likewise.
12129 * c-common.h: Update declarations to reflect above changes.
12131 2007-02-28 Jan Hubicka <jh@suse.cz>
12133 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
12134 PRED_NEGATIVE_RETURN): Update outcomes.
12136 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
12138 * calls.c (emit_library_call_value_1): Handle partial registers
12139 correctly when building up CALL_INSN_FUNCTION_USAGE.
12141 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12143 * pa/predicates.md (move_src_operand): Allow zero for mode.
12144 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
12147 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
12150 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
12151 *movv2df_internal): Enable pattern only for valid operand
12153 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
12154 tie only 128bit modes. For MMX registers, tie only 64bit modes.
12156 2007-02-27 Mike Stump <mrs@apple.com>
12158 * config/darwin-crt3.c: Avoid compilation when compiling for a
12161 2007-02-27 Joseph Myers <joseph@codesourcery.com>
12163 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
12165 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
12166 for fixed headers and limits.h.
12167 (install-include-dir, install-headers-tar, install-headers-cpio,
12168 install-headers-cp, real-install-headers-tar,
12169 real-install-headers-cpio, real-install-headers-cp): Handle
12170 include-fixed as well as include.
12171 (install-mkheaders): Don't install files that go only in include
12173 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
12174 from GCC_INCLUDE_DIR.
12175 * gcc.c (process_command): Remove special -BstageN/ handling.
12176 (do_spec_1): Add include-fixed directories.
12178 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12180 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
12182 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
12184 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
12187 2007-02-27 Mark Mitchell <mark@codesourcery.com>
12189 * c-common.c (get_priority): Add check for
12190 SUPPORTS_INIT_PRIORITY.
12192 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12194 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
12196 * config/bfin/bfin.c: Include "cfglayout.h".
12197 (MAX_LSETUP_DISTANCE): New macro.
12198 (struct loop_info): New members incoming, incoming_src and
12199 incoming_dest. Delete member predecessor.
12200 (length_for_loop): New function.
12201 (bfin_optimize_loop): Handle more different loop structures.
12202 (bfin_discover_loop): Rework detection of predecessor blocks by
12203 examining incoming edges.
12204 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
12206 (bfin_reorder_loops): New function.
12207 (bfin_reorg_loops): Use these three new functions.
12209 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
12210 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
12211 (CONSTRAINT_LEN): Add entry for 'q'.
12212 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
12213 Add 'q' constraints.
12214 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
12215 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
12217 * config/bfin/bfin.md (add_with_carry): New pattern.
12218 (s_or_u, su_optab, su_modifier): New code macros/attrs.
12219 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
12220 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
12221 support unsigned multiplies too. Removed incorrect commutativity from
12222 operand 1 constraint where appropriate.
12223 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
12225 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
12226 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
12228 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
12229 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
12230 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
12231 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
12232 usmulhisi_hh_huh): New patterns.
12234 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
12235 lshifthi3): Fix output template to use half reg for operand 2.
12237 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
12240 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
12242 2007-02-27 Andreas Schwab <schwab@suse.de>
12244 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
12246 2007-02-27 Jan Hubicka <jh@suse.cz>
12248 * predict.c (last_basic_block_p): Remove.
12249 (tree_estimate_probability): Update return heuristic for commonized
12252 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
12254 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
12256 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
12258 * doc/include/gcc-common.texi (versionsubtitle): New macro.
12259 * doc/cpp.texi: Standardize title page.
12260 * doc/cppinternals.texi: Likewise.
12261 * doc/gcc.texi: Standardize title page, remove version number
12262 from copyright page.
12263 * doc/gccint.texi: Likewise.
12264 * doc/install.texi: Standardize title page, add table of
12267 2007-02-26 Jan Hubicka <jh@suse.cz>
12269 * predict.def: Set outcomes according to more recent results.
12270 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
12271 Remove dead predictors.
12272 * predict.c (return_prediction): Fix pasto.
12274 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12276 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
12277 change; avoid a memory leak when returning early.
12279 2007-02-26 Mark Mitchell <mark@codesourcery.com>
12281 * c-decl.c (static_ctors): Move to c-common.c.
12282 (static_dtors): Likewise.
12283 (finish_function): Use c_record_cdtor_fn.
12284 (build_cdtor): Move to c-common.c.
12285 (c_write_global_declarations): Use c_build_cdtor_fns.
12286 * c-common.h (static_ctors): Declare.
12287 (static_dtors): Likewise.
12288 (c_record_cdtor_fn): Likewise.
12289 (c_build_cdtor_fns): Likewise.
12290 * c-common.c (static_ctors): New variable.
12291 (static_dtors): Likewise.
12292 (c_record_cdtor_fn): New function.
12293 (build_cdtor): Move from c-decl.c
12294 (c_build_cdtor_fns): New function.
12296 * output.h (assemble_addr_to_section): Declare.
12297 (get_cdtor_priority_section): Likewise.
12298 * varasm.c (assemble_addr_to_section): New function.
12299 (get_cdtor_priority_section): Likewise.
12300 (default_named_section_asm_out_destructor): Use them.
12301 (destor_dtor_section_asm_out_destructor): Likewise.
12302 (default_named_section_asm_out_constructor): Likewise.
12303 (default_ctor_section_asm_out_constructor): Likewise.
12304 * config.gcc (*-*-vxworks*): Include vxworks.o.
12305 * config/t-vxworks (vxworks.o): New target.
12306 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
12307 (TARGET_ASM_CONSTRUCTOR): Define.
12308 (TARGET_ASM_DESTRUCTOR): Likewise.
12309 (vxworks_asm_out_constructor): Declare.
12310 (vxworks_asm_out_destructor): Likewise.
12312 * c-common.c (get_priority): Check that we have not just an
12313 INTEGER_CST, but an integer constant with integeral type.
12315 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
12317 PR tree-optimization/30938
12318 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
12319 use &dt[nargs-1] instead of &dt[nargs] in the call to
12320 vect_is_simple_use().
12322 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
12324 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
12325 from register elimination as PRE_MODIFY / POST_MODIFY increments.
12326 Do not attempt to handle MEM inside auto-inc expressions.
12327 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
12328 of a register modified by an auto-inc expression. However, do handle
12329 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
12330 (elimination_effects): Prohibit elimination of a register modified
12331 by an auto-inc expression. Disable register elimination rules whose
12332 target register is modified by an auto-inc expression with variable
12335 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
12337 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
12339 (array_at_struct_end_p): New function.
12340 (idx_infer_loop_bounds): Use it.
12341 (estimate_numbers_of_iterations_loop): Export.
12342 * predict.c (predict_loops): Use estimated_loop_iterations_int.
12343 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
12344 (tree_estimate_probability): Call record_loop_exits.
12345 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
12346 (estimated_loop_iterations, estimated_loop_iterations_int,
12347 estimated_loop_iterations_tree): New functions.
12348 (analyze_siv_subscript_cst_affine,
12349 compute_overlap_steps_for_affine_1_2,
12350 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
12351 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
12352 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
12353 (PRED_LOOP_ITERATIONS_GUESSED): New.
12354 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
12355 * cfgloop.h (estimate_numbers_of_iterations_loop,
12356 estimated_loop_iterations_int): Declare.
12358 2007-02-25 Mark Mitchell <mark@codesourcery.com>
12360 * doc/extend.texi: Document optional priority argument to
12361 constructors and destructors.
12362 * tree.c (init_priority_for_decl): Adjust GTY markers.
12363 (init_ttree): Use priority-info hash functions for
12364 init_priority_for_decl.
12365 (tree_map_eq): Rename to ...
12366 (tree_map_base_eq): ... this.
12367 (tree_map_marked_p): Rename to ...
12368 (tree_map_base_marked_p): ... this.
12369 (tree_map_base_hash): New function.
12370 (decl_init_priority_lookup): Rework.
12371 (decl_fini_priority_lookup): New function.
12372 (decl_priority_info): New function.
12373 (decl_init_priority_insert): Use it.
12374 (decl_fini_priority_insert): Likewise.
12375 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
12377 (decl_restrict_base_insert): Likewise.
12378 (decl_debug_expr_insert): Likewise.
12379 (decl_value_expr_lookup): Likewise.
12380 (decl_value_expr_insert): Likewise.
12381 * tree.h (priority_type): New type.
12382 (decl_init_priority_lookup): Use priority_type.
12383 (decl_fini_priority_lookup): New function.
12384 (decl_init_priority_insert): Use priority_type.
12385 (decl_fini_priority_insert): New function.
12386 (DECL_HAS_INIT_PRIORITY): Tweak comments.
12387 (DECL_INIT_PRIORITY): Likewise.
12388 (SET_DECL_INIT_PRIORITY): Add comment.
12389 (DECL_FINI_PRIORITY): New macro.
12390 (SET_DECL_FINI_PRIORITY): Likewise.
12391 (DEFAULT_INIT_PRIORITY): Document.
12392 (MAX_INIT_PRIORITY): Likewise.
12393 (MAX_RESERVED_INIT_PRIORITY): Likewise.
12394 (tree_map_base): New type.
12395 (tree_map_base_eq): New function.
12396 (tree_map_base_hash): Likewise.
12397 (tree_map_base_marked_p): Likewise.
12398 (tree_map): Inherit from tree_map_base.
12399 (tree_map_eq): Make it a macro.
12400 (tree_map_marked_p): Likewise.
12401 (tree_int_map): Inherit from tree_map_base.
12402 (tree_int_map_eq): Make it a macro.
12403 (tree_int_map_hash): Likewise.
12404 (tree_int_map_marked_p): Likewise.
12405 (tree_priority_map): New type.
12406 (tree_priority_map_eq): New macro.
12407 (tree_priority_map_hash): Likewise.
12408 (tree_priority_map_marked_p): Likewise.
12409 * varasm.c (emults_decl): Adjust for refactoring of tree_map
12411 (emutls_common_1): Likewise.
12412 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
12413 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
12414 of tree_map hierarchy.
12415 * tree-cfg.c (move_stmt_r): Likewise.
12416 (new_label_mapper): Likewise.
12417 * c-tree.h (c_expand_body): Move to ...
12418 * c-common.h (c_expand_body): ... here.
12419 * c-decl.c (c_expand_body): Move to ...
12420 * c-common.c (c_expand_body): ... here.
12421 (c_common_attribute_table): Allow 1 argument for the constructor
12422 and destructor attributes.
12423 (get_priority): New function.
12424 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
12425 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
12427 2007-02-24 Jan Hubicka <jh@suse.cz>
12429 PR middle-end/30509
12430 * tree-inline.c (copy_bb): Produce exact copy of EH info when
12431 copying for inlining.
12433 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12434 Jan Hubicka <jh@suse.cz>
12437 * i386.c (counter_mode): New function.
12438 (expand_set_or_movmem_via_loop): Use it.
12439 (expand_movmem_epilogue): Likewise; fix pasto.
12440 (ix86_expand_movmem): Do emit guard even for constant counts.
12441 (ix86_expand_setmem): Likewise.
12443 2007-02-25 Nick Clifton <nickc@redhat.com>
12445 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
12446 (JUMP_TABLES_IN_TEXT_SECTION): Define.
12448 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
12451 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
12452 count argument with 0x10, not with 0x16.
12453 (expand_setmem_epilogue): Ditto.
12455 2007-02-24 Mike Stump <mrs@apple.com>
12457 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
12460 2007-02-24 Richard Guenther <rguenther@suse.de>
12462 PR middle-end/30951
12463 * fold-const.c (fold_binary): Fold x +- CST op x for
12464 EQ_EXPR and NE_EXPR.
12466 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12468 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
12470 2007-02-24 Jan Hubicka <jh@suse.cz>
12472 * cgraphunit.c (decide_is_function_needed): Honor
12473 -fkeep-inline-functions.
12475 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12477 * builtins.c (fold_builtin_modf): New.
12478 (fold_builtin_2): Use it.
12480 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
12482 * loop-iv.c (implies_p): Detect additional cases where A implies B.
12483 (determine_max_iter): Take additional LOOP arg; all callers changed.
12484 Lose broken logic dealing with PLUS. Try to limit the upper bound by
12485 one using simplifications.
12486 (simplify_using_initial_values): Return if the expression becomes
12487 invalid due to altered regs.
12489 2007-02-23 DJ Delorie <dj@redhat.com>
12491 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
12493 2007-02-23 Mike Stump <mrs@apple.com>
12495 * tlink.c (scan_linker_output): Parse linker messages from
12496 darwin9's linker better.
12498 2007-02-23 Steve Ellcey <sje@cup.hp.com>
12501 * varpool.c (varpool_assemble_pending_decls): Set
12502 varpool_last_needed_node to null.
12504 2007-02-23 DJ Delorie <dj@redhat.com>
12506 * config/i386/i386.c (ix86_data_alignment): Don't specify an
12507 alignment bigger than the object file can handle.
12509 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
12512 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
12513 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
12514 (*movsf_1): Penalize MMX moves.
12516 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
12518 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
12519 2^32-1 or more times unless flag_unsafe_loop_optimizations.
12521 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
12523 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
12526 (fold_builtin_1): Use them.
12527 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
12528 BUILT_IN_SIGNIFICAND.
12530 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
12532 * config/i386/i386.c (bdesc_1arg): Initialize
12533 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
12534 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
12535 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
12536 and IX86_BUILTIN_MOVSLDUP.
12538 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
12540 PR rtl-optimization/30841
12541 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
12543 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12545 * builtins.c (fold_builtin_frexp): New.
12546 (fold_builtin_2): Use it.
12548 2007-02-22 Mark Mitchell <mark@codesourcery.com>
12550 * doc/invoke.texi (Spec Files): Document getenv spec function.
12552 * gcc.c (getenv_spec_function): New function.
12553 (static_spec_functions): Add it.
12554 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
12555 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
12558 2007-02-22 Michael Matz <matz@suse.de
12561 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
12562 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
12564 2007-02-22 Ian Lance Taylor <iant@google.com>
12567 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
12568 (mem_loc_descriptor): Call it.
12570 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
12571 Ira Rosen <irar@il.ibm.com>
12573 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
12575 2007-02-22 Ira Rosen <irar@il.ibm.com>
12577 PR tree-optimization/30843
12578 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
12579 stores only after all the group is vectorized.
12581 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
12583 PR tree-optimization/30858
12584 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
12585 in the reduction cycle have a single use in the loop.
12586 * tree-vectorizer.h (relevant): Add documentation.
12588 2007-02-20 Mike Stump <mrs@apple.com>
12590 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
12591 * configure: Regenerate.
12593 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
12595 Change the defaults of some parameters and options.
12596 * config/spu/spu-protos.h (spu_optimization_options): Declare.
12597 * config/spu/spu.c (spu_optimization_options): Add.
12598 (spu_override_options): Change params in spu_optimization_options.
12599 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
12601 Register 127 is only 16 byte aligned when used as a frame pointer.
12602 * config/spu/spu-protos.h (spu_init_expanders): Declare.
12603 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
12604 HARD_FRAME_POINTER_REGNUM.
12605 (spu_legitimate_address): Use regno_aligned_for_reload.
12606 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
12607 aligned when frame_pointer_needed is true.
12608 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
12610 * config/spu/spu.h (INIT_EXPANDERS): Define.
12612 Make sure shift and rotate instructions have valid immediate operands.
12613 * config/spu/predicates.md (spu_shift_operand): Remove.
12614 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
12615 * config/spu/constraints.md (W, O): Extend range.
12616 * config/spu/spu.md (umask, nmask): Define.
12617 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
12618 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
12619 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
12620 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
12621 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
12622 (lshr<mode>3_reg): Fix rtl description.
12624 Make sure mulhisi immediate operands are valid.
12625 * config/spu/predicates.md (imm_K_operand): Add.
12626 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
12628 Generate constants using fsmbi and andi.
12629 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
12630 (print_operand, spu_split_immediate, classify_immediate,
12631 fsmbi_const_p): Handle IC_FSMBI2.
12633 Correctly handle a CONST_VECTOR containing symbols.
12634 * config/spu/spu.c (print_operand): Handle HIGH correctly.
12635 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
12636 (immediate_load_p): Allow symbols that use 2 instructions to create.
12637 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
12638 with symbols when flag_pic is set.
12639 (const_vector_immediate_p): New.
12640 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
12641 accept a CONST_VECTOR with symbols.
12642 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
12643 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
12645 * config/spu/spu.md (high, low): Delete.
12646 (low_<mode>): Define.
12648 Remove INTRmode and INTR_REGNUM, which didn't work.
12649 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
12651 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
12652 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
12653 peephole2 pattern): Don't use INTR or 131.
12654 (movintrcc): Delete.
12655 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
12656 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
12657 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
12658 (UNSPEC_SET_INTR): Add.
12659 * config/spu/spu-modes.def (INTR): Remove.
12661 More accurate warnings about run-time relocations.
12662 * config/spu/spu.c (reloc_diagnostic): Test in_section.
12664 Correctly warn about immediate arguments to specific intrinsics.
12665 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
12666 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
12667 the instruction predicate.
12669 Fix tree check errors with latest update.
12670 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
12672 (spu_expand_builtin): Use CALL_EXPR_FN.
12674 Add missing specific intrinsics.
12675 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
12677 * config/spu/spu_internals.h: Ditto.
12679 Fix incorrect operand modifiers.
12680 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
12681 * config/spu/spu.md (xor<mode>3): Change %S to %J.
12683 Optimize one case of zero_extend of a vec_select.
12684 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
12686 Accept any immediate for hbr.
12687 * config/spu/spu.md (hbr): Change s constraints to i.
12689 2007-02-21 Paul Brook <paul@codesourcery.com>
12691 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
12692 condexec_count when skipping USE and CLOBBER.
12694 2007-02-21 Nick Clifton <nickc@redhat.com>
12696 * common.opt (Warray-bounds): Add Warning attribute.
12697 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
12699 (fsized-zeroes): Add Optimization attribute.
12700 (fsplit-wide-types, ftree-scev-cprop): Likewise.
12701 * c.opt (Wc++0x-compat): Add Warning attribute.
12703 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
12705 PR middle-end/30761
12706 * reload1.c (eliminate_regs_in_insn): In the single_set special
12707 case, attempt to re-recognize the insn before falling back to
12708 having reload fix it up.
12710 2007-02-20 Eric Christopher <echristo@gmail.com>
12712 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
12713 Rewrite accordingly.
12714 (frv_read_iacc_argument): Ditto.
12715 (frv_expand_set_builtin): Take a call instead of arglist, update for
12717 (frv_expand_unop_builtin): Ditto.
12718 (frv_expand_binop_builtin): Ditto.
12719 (frv_expand_cut_builtin): Ditto.
12720 (frv_expand_binopimm_builtin): Ditto.
12721 (frv_expand_voidbinop_builtin): Ditto.
12722 (frv_expand_int_void2arg): Ditto.
12723 (frv_expand_prefetches): Ditto.
12724 (frv_expand_voidtriop_builtin): Ditto.
12725 (frv_expand_voidaccop_builtin): Ditto.
12726 (frv_expand_load_builtin): Ditto.
12727 (frv_expand_store_builtin): Ditto.
12728 (frv_expand_mdpackh_builtin): Ditto.
12729 (frv_expand_mclracc_builtin): Ditto.
12730 (frv_expand_mrdacc_builtin): Ditto.
12731 (frv_expand_mwtacc_builtin): Ditto.
12732 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
12735 2007-02-20 Janis Johnson <janis187@us.ibm.com>
12737 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
12738 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
12740 (HAVE_GAS_DFP): Check for assembler support of decimal floating
12741 point instructions.
12742 * configure: Regenerate.
12743 * config.in: Regenerate.
12744 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
12745 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
12746 masks to power6 and power6x and to POWERPC_MASKS.
12747 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12749 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
12750 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
12751 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
12752 Access PROTOTYPE as variable, not mask.
12754 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12756 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
12757 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
12758 * combine.c (adjust_for_new_dest): Use it.
12759 * postreload.c (reload_combine): Likewise.
12761 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
12763 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
12764 notes on an insn with multiple sets, even if single_set returns
12765 non-NULL for that insn.
12767 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12769 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
12770 scalbn and scalbln.
12772 2007-02-20 Geoffrey Keating <geoffk@apple.com>
12774 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
12775 if user didn't pass it.
12776 * config/i386/darwin.h (CC1_SPEC): Likewise.
12777 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
12778 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
12779 -mmacosx-version-min.
12781 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12782 Uros Bizjak <ubizjak@gmail.com>
12784 * optabs.h (enum optab_index): Add new OTI_scalb.
12785 (scalb_optab): Define corresponding macro.
12786 * optabs.c (init_optabs): Initialize scalb_optab.
12787 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
12789 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
12790 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
12791 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
12792 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
12793 flag_unsafe_math_optimizations is set.
12795 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
12796 to implement scalbf, scalb and scalbl built-ins as inline x87
12799 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12800 DJ Delorie <dj@redhat.com>
12803 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
12804 (diagnostic_report_diagnostic): ... here, and turn them into real
12805 errors. If warnings are inhibited, no need to do anything.
12807 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
12809 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
12810 better code generation.
12812 2007-02-20 Ben Elliston <bje@au.ibm.com>
12814 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
12816 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
12818 * config/alpha/alpha.c, config/alpha/alpha.md,
12819 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
12820 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
12821 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
12822 config/arm/lib1funcs.asm: Follow spelling conventions.
12824 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
12825 config/fr30/fr30.md, config/i386/i386.h,
12826 config/iq2000/iq2000.h, config/iq2000/predicates.md,
12827 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
12828 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
12829 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
12830 config/rs6000/altivec.md, config/rs6000/rs6000.c,
12831 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
12832 config/sparc/sparc.c, config/sparc/sparc.h,
12833 config/sparc/sparc.md, config/spu/constraints.md,
12834 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
12837 2007-02-20 Alan Modra <amodra@bigpond.net.au>
12840 * varasm.c (use_blocks_for_decl_p): Return false for decls with
12843 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12845 * doc/invoke.texi (-ftree-lrs): Remove.
12847 2007-02-19 Diego Novillo <dnovillo@redhat.com>
12849 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
12852 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
12854 * config/ia64/ia64.c (ia64_expand_builtin): Use the
12855 new CALL_EXPR_FN macro for retrieving the function
12856 declaration of the input expression.
12858 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12860 * c.opt (Waddress): New.
12861 * common.opt (Walways-true): Delete.
12862 (Wstring-literal-comparison): Delete.
12863 * doc/invoke.texi (Warning Options): Delete -Walways-true and
12864 -Wstring-literal-comparison. Add -Waddress.
12866 (Walways-true): Delete.
12867 (Wstring-literal-comparison): Delete.
12868 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
12869 consistently instead of -Walways-true in example.
12870 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
12871 * c-typeck.c (parser_build_binary_op): Replace
12872 -Wstring-literal-comparison and -Walways-true with -Waddress.
12873 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
12876 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12878 * tree-cfg.c (dump_function_to_file): Be prepared for functions
12879 without DECL_STRUCT_FUNCTION initialized.
12881 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
12883 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
12884 due to calls to functions taking pointers as parameters.
12886 2007-02-19 Richard Henderson <rth@redhat.com>
12889 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
12892 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
12894 * config/s390/s390.c (s390_call_saved_register_used,
12895 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
12896 accessed to the new scheme.
12898 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12900 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
12901 (cris_print_index, cris_print_operand, cris_print_operand_address)
12902 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
12903 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
12904 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
12905 GET_CODE () == xxx.
12906 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
12907 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
12908 GO_IF_LEGITIMATE_ADDRESS): Ditto.
12909 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
12910 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
12911 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
12912 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
12913 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
12914 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
12915 (uminsi3, call, call_value): Ditto.
12916 (define_split: indir_to_reg_split, unnamed): Ditto.
12918 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
12920 PR tree-optimization/30975
12921 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
12924 2007-02-18 Eric Christopher <echristo@gmail.com>
12926 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
12927 Remove use of arglist.
12928 (mips_expand_builtin): Remove use of arglist, pass in expr.
12929 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
12930 (mips_expand_builtin_movtf): Ditto.
12931 (mips_expand_builtin_compare): Ditto.
12933 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12935 * tree-sra.c (sra_build_assignment): Replace assertion
12936 checking with a comment explaining why it can't be done.
12938 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
12940 PR middle-end/30833
12941 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
12942 during CALL_EXPR representation conversion.
12943 * tree-ssa-propagate.c (set_rhs): Likewise.
12945 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
12947 * tree-sra.c (sra_build_assignment): Disable assertion checking
12950 2007-02-18 Roger Sayle <roger@eyesopen.com>
12952 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
12953 instead of calling build2 with a GIMPLE_MODIFY_STMT.
12954 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
12956 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
12957 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
12958 gimplify_init_ctor_eval_range, gimple_push_cleanup,
12959 gimplify_omp_for, gimplify_omp_atomic_pipeline,
12960 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
12961 force_gimple_operand): Likewise.
12962 * ipa-cp.c (constant_val_insert): Likewise.
12963 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
12964 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
12965 perfect_nestify): Likewise.
12966 * langhooks.c (lhd_omp_assignment): Likewise.
12967 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
12968 lower_copyprivate_clauses, lower_send_clauses,
12969 lower_send_shared_vars, expand_parallel_call,
12970 expand_omp_for_generic, expand_omp_for_static_nochunk,
12971 expand_omp_for_static_chunk, expand_omp_sections,
12972 lower_omp_single_copy, lower_omp_for_lastprivate,
12973 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
12974 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
12975 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
12978 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
12980 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
12981 config/sh/sh.md: Follow spelling conventions.
12983 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
12984 config/frv/predicates.md: Follow spelling conventions.
12986 * config/m68k/linux-unwind.h: Fix a comment typo.
12987 * target.h: Follow spelling conventions.
12989 2007-02-18 Roger Sayle <roger@eyesopen.com>
12991 PR rtl-optimization/28173
12992 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
12993 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
12994 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
12995 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
12996 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
12998 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13000 * builtins.c (fold_builtin_load_exponent): New.
13001 (fold_builtin_2): Use it.
13003 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
13005 PR rtl-optimization/30773
13006 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
13007 if we fail to attach a REG_EQUIV note.
13009 2007-02-18 David Edelsohn <edelsohn@gnu.org>
13010 Roger Sayle <roger@eyesopen.com>
13012 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
13014 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
13016 * calls.c (initialize_argument_information): Pass original EXP
13017 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
13018 code to split complex arguments here, as part of initializing the
13020 (expand_call): Remove code that builds a list of arguments and
13021 inserts implicit arguments into it. Instead, just count how many
13022 implicit arguments there will be so we can determine the size of
13023 the ARGS array, and let initialize_argument_information do the work.
13024 (split_complex_values): Delete unused function.
13026 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13028 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
13030 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13032 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
13033 for arg pointer based indexed addressing.
13035 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13037 * config/ia64/ia64.h, config/ia64/ia64.md,
13038 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
13039 spelling conventions.
13041 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13043 * config/m68k/m68k.c (split_di): New.
13044 * config/m68k/m68k-protos.h: Declare split_di.
13045 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
13046 Improve predicate handling and split constant shifts.
13048 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13050 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
13051 parameter for register bitfield operations, general predicates
13054 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13056 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
13057 * config/m68k/linux-unwind.h: New file.
13059 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13061 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
13062 config/i386/athlon.md, config/ia64/ia64.md,
13063 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
13064 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
13065 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
13066 tree-ssa-loop-niter.c, tree-vect-analyze.c,
13067 tree-vect-transform.c: Fix comment typos.
13069 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
13071 * sched-deps.c (find_insn_list): Remove.
13072 * sched-int.h: Remove the prototype for find_insn_list.
13074 2007-02-16 Geoffrey Keating <geoffk@apple.com>
13076 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
13078 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
13079 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
13080 darwin_rs6000_override_options.
13081 (C_COMMON_OVERRIDE_OPTIONS): Expect
13082 darwin_macosx_version_min to be non-NULL always.
13083 (TARGET_C99_FUNCTIONS): Likewise.
13084 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
13085 (DARWIN_MINVERSION_SPEC): New.
13086 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
13087 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
13089 (DARWIN_MINVERSION_SPEC): New.
13090 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
13092 * config/darwin-c.c (darwin_cpp_builtins): Expect
13093 darwin_macosx_version_min to be non-NULL always.
13095 * config/rs6000/rs6000.c: Clean up trailing whitespace.
13097 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
13099 * config/i386/i386.h (x86_use_xchgb): New.
13100 (TARGET_USE_XCHGB): New macro.
13101 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
13102 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
13103 Split after reload into bswaphi for shifts of 8.
13104 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
13105 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
13106 or when optimizing for size.
13108 2007-02-16 Richard Guenther <rguenther@suse.de>
13109 Christian Bruel <christian.bruel@st.com>
13111 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
13112 DECLs but prefer SSA_NAMEs over DECLs.
13114 2007-02-16 Richard Guenther <rguenther@suse.de>
13116 * tree-flow-inline.h (single_imm_use_p): Remove.
13117 (zero_imm_uses_p): Likewise.
13118 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
13119 instead of single_imm_use_p.
13120 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
13123 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
13126 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
13127 nested double- and backquotes.
13129 2007-02-15 Roger Sayle <roger@eyesopen.com>
13131 PR middle-end/30391
13132 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
13133 should be unreachable.
13134 (build2_stat): Allow construction of MODIFY_EXPR at any time.
13135 For the time being redirect GIMPLE_MODIFY_STMT to the new
13136 (renamed) build_gimple_modify_stmt_stat.
13137 (build2_gimple_stat): Rename to...
13138 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
13139 Always build a GIMPLE_MODIFY_STMT node.
13140 * tree.h (build2_gimple, build2_gimple_stat): Delete.
13141 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
13144 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
13145 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
13146 * tree-complex.c (set_component_ssa_name, expand_complex_move,
13147 expand_complex_div_wide): Likewise.
13148 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
13149 * tree-ssa-loop-im.c (schedule_sm): Likewise.
13150 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
13151 * tree-ssa-loop-manip.c (create_iv): Likewise.
13152 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
13153 abs_replacement): Likewise.
13154 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
13155 realify_fake_stores): Likewise.
13157 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
13158 node rather than a GIMPLE_MODIFY_STMT node.
13159 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
13160 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
13162 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
13163 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
13164 GIMPLE_MODIFY_STMT.
13166 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13168 PR middle-end/30433
13169 * fold-const.c (fold_comparison): Add back the
13170 folding of constant complex comparisions.
13172 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13174 PR middle-end/30729
13175 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
13176 effects unknown to this function, return early.
13178 2007-02-15 Ian Lance Taylor <iant@google.com>
13180 * lower-subreg.c (move_eh_region_note): New static function.
13181 (resolve_simple_move): Call it.
13182 (decompose_multiword_subregs): Track blocks for which we resolve a
13183 simple move which is also a control flow insn. Pass them to
13184 find_many_sub_basic_blocks.
13185 (pass_lower_subreg): Add TODO_verify_flow.
13186 (pass_lower_subreg2): Likewise.
13188 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13189 Brooks Moses <brooks.moses@codesourcery.com>
13190 Lee Millward <lee.millward@codesourcery.com>
13192 * tree.h (enum tree_code_class): Add tcc_vl_exp.
13193 (VL_EXP_CLASS_P): New.
13194 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
13196 (TREE_OPERAND_CHECK_CODE): Likewise.
13197 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
13198 (TREE_RTL_OPERAND_CHECK): Likewise.
13199 (tree_operand_check_failed): Make second parameter the whole tree
13200 instead of its code. Fixed callers.
13201 (VL_EXP_CHECK): New.
13202 (TREE_OPERAND_LENGTH): New.
13203 (VL_EXP_OPERAND_LENGTH): New.
13204 (CALL_EXPR_FN): New.
13205 (CALL_EXPR_STATIC_CHAIN): New.
13206 (CALL_EXPR_ARGS): New.
13207 (CALL_EXPR_ARG): New.
13208 (call_expr_nargs): New.
13209 (CALL_EXPR_ARGP): New.
13210 (build_nt_call_list): Declare.
13211 (build_vl_exp_stat): Declare.
13212 (build_vl_exp): New.
13213 (build_call_list): Declare.
13214 (build_call_nary): Declare.
13215 (build_call_valist): Declare.
13216 (build_call_array): Declare.
13217 (call_expr_arg): Declare.
13218 (call_expr_argp): Declare.
13219 (call_expr_arglist): Declare.
13220 (fold_build_call_list): Declare.
13221 (fold_build_call_list_initializer): Declare.
13222 (fold_call_expr): Declare to replace fold_builtin.
13223 (fold_builtin_fputs): Update to agree with modified definition.
13224 (fold_builtin_strcpy): Likewise.
13225 (fold_builtin_strncpy): Likewise.
13226 (fold_builtin_memory_chk): Likewise.
13227 (fold_builtin_stxcpy_chk): Likewise.
13228 (fold_builtin_strncpy_chk): Likewise.
13229 (fold_builtin_next_arg): Likewise.
13230 (fold_build_call_expr): Declare.
13231 (fold_builtin_call_list): Declare.
13232 (fold_builtin_call_valist): Declare.
13233 (build_call_expr): Declare.
13234 (validate_arglist): Update to agree with modified definition.
13235 (tree_operand_length): New.
13236 (call_expr_arg_iterator): New.
13237 (init_call_expr_arg_iterator): New.
13238 (next_call_expr_arg): New.
13239 (first_call_expr_arg): New.
13240 (more_call_expr_args_p): New.
13241 (FOR_EACH_CALL_EXPR_ARG): New.
13243 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
13244 and tcc_gimple_stmt.
13245 (tree_code_size): Update documentation. Use sizeof (tree) rather
13246 than sizeof (char *).
13247 (tree_size): Likewise. Add case for tcc_vl_exp.
13248 (tree_node_structure): Add case for tcc_vl_exp.
13249 (contains_placeholder_p): Likewise.
13250 (substitute_in_expr): Likewise.
13251 (substitute_placeholder_in_expr): Likewise.
13252 (stabilize_reference_1): Likewise.
13253 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
13254 to diagnose breakage of this interface for constructing CALL_EXPRs.
13255 (build_nt): Add similar assertion here.
13256 (build_nt_call_list): New.
13257 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
13258 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
13260 (get_callee_fndecl): Use new CALL_EXPR accessors.
13261 (tree_operand_check_failed): Change parameters to pass entire node
13262 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
13263 (process_call_operands): New.
13264 (build_vl_exp_stat): New.
13265 (build_call_list): New.
13266 (build_call_nary): New.
13267 (build_call_valist): New.
13268 (build_call_array): New.
13269 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13270 (call_expr_arglist): New.
13272 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
13273 tcc_vl_exp instead of a fixed-size tcc_expression.
13275 * doc/c-tree.texi (CALL_EXPR): Document new representation and
13276 accessors for CALL_EXPRs.
13277 (AGGR_INIT_EXPR): Likewise.
13279 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13280 Brooks Moses <brooks.moses@codesourcery.com>
13281 Lee Millward <lee.millward@codesourcery.com>
13283 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
13284 (expand_builtin_nonlocal_goto): Change parameter to be entire
13285 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
13286 (expand_builtin_prefetch): Likewise.
13287 (expand_builtin_classify_type): Likewise.
13288 (mathfn_built_in): Return NULL_TREE instead of 0.
13289 (expand_errno_check): Use new CALL_EXPR accessors.
13290 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
13291 Return NULL_RTX instead of 0.
13292 (expand_builtin_mathfn_2): Likewise.
13293 (expand_builtin_mathfn_3): Likewise.
13294 (expand_builtin_interclass_mathfn): Likewise.
13295 (expand_builtin_sincos): Likewise.
13296 (expand_builtin_cexpi): Likewise.
13297 (expand_builtin_int_roundingfn): Likewise.
13298 (expand_builtin_int_roundingfn_2): Likewise.
13299 (expand_builtin_pow): Likewise.
13300 (expand_builtin_powi): Likewise.
13301 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
13302 of arglist, fixing callers appropriately. Use new CALL_EXPR
13303 accessors and constructors. Return NULL_RTX instead of 0.
13304 (expand_builtin_strstr): Likewise.
13305 (expand_builtin_strchr): Likewise.
13306 (expand_builtin_strrchr): Likewise.
13307 (expand_builtin_strpbrk): Likewise.
13308 (expand_builtin_memcpy): Likewise.
13309 (expand_builtin_mempcpy): Likewise.
13310 (expand_builtin_mempcpy_args): New.
13311 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
13312 (expand_builtin_memmove_args): New.
13313 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
13314 (expand_movstr): Likewise.
13315 (expand_builtin_strcpy): Likewise.
13316 (expand_builtin_strcpy_args): New.
13317 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
13318 (expand_builtin_strncpy): Likewise.
13319 (expand_builtin_memset): Likewise.
13320 (expand_builtin_memset_args): New.
13321 (expand_builtin_bzero): Similarly to expand_builtin_memset.
13322 (expand_builtin_memcmp): Likewise.
13323 (expand_builtin_strcmp): Likewise.
13324 (expand_builtin_strncmp): Likewise.
13325 (expand_builtin_strcat): Likewise.
13326 (expand_builtin_strncat): Likewise.
13327 (expand_builtin_strspn): Likewise.
13328 (expand_builtin_strcspn): Likewise.
13329 (expand_builtin_args_info): Likewise.
13330 (expand_builtin_va_start): Likewise.
13331 (gimplify_va_arg_expr): Likewise.
13332 (expand_builtin_va_end): Likewise.
13333 (expand_builtin_va_copy): Likewise.
13334 (expand_builtin_frame_address): Likewise.
13335 (expand_builtin_alloca): Likewise.
13336 (expand_builtin_bswap): Likewise.
13337 (expand_builtin_unop): Likewise.
13338 (expand_builtin_fputs): Likewise.
13339 (expand_builtin_expect): Likewise.
13340 (expand_builtin_fabs): Likewise.
13341 (expand_builtin_copysign): Likewise.
13342 (expand_builtin_printf): Likewise.
13343 (expand_builtin_fprintf): Likewise.
13344 (expand_builtin_sprintf): Likewise.
13345 (expand_builtin_init_trampoline): Likewise.
13346 (expand_builtin_signbit): Likewise.
13347 (expand_builtin_fork_or_exec): Likewise.
13348 (expand_builtin_sync_operation): Likewise.
13349 (expand_builtin_compare_and_swap): Likewise.
13350 (expand_builtin_lock_test_and_set): Likewise.
13351 (expand_builtin_lock_release): Likewise.
13352 (expand_builtin): Likewise.
13353 (builtin_mathfn_code): Likewise.
13355 (fold_builtin_constant_p): Pass call arguments individually instead
13356 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13357 accessors and constructors. Return NULL_TREE instead of 0.
13358 (fold_builtin_expect): Likewise.
13359 (fold_builtin_classify_type): Likewise.
13360 (fold_builtin_strlen): Likewise.
13361 (fold_builtin_nan): Likewise.
13362 (integer_valued_real_p): Likewise.
13363 (fold_trunc_transparent_mathfn): Likewise.
13364 (fold_fixed_mathfn): Likewise.
13365 (fold_builtin_cabs): Likewise.
13366 (fold_builtin_sqrt): Likewise.
13367 (fold_builtin_cbrt): Likewise.
13368 (fold_builtin_cos): Likewise.
13369 (fold_builtin_cosh): Likewise.
13370 (fold_builtin_tan): Likewise.
13371 (fold_builtin_sincos): Likewise.
13372 (fold_builtin_cexp): Likewise.
13373 (fold_builtin_trunc): Likewise.
13374 (fold_builtin_floor): Likewise.
13375 (fold_builtin_ceil): Likewise.
13376 (fold_builtin_round): Likewise.
13377 (fold_builtin_int_roundingfn): Likewise.
13378 (fold_builtin_bitop): Likewise.
13379 (fold_builtin_bswap): Likewise.
13380 (fold_builtin_logarithm): Likewise.
13381 (fold_builtin_hypot): Likewise.
13382 (fold_builtin_pow): Likewise.
13383 (fold_builtin_powi): Likewise.
13384 (fold_builtin_exponent): Likewise.
13385 (fold_builtin_memset): Likewise.
13386 (fold_builtin_bzero): Likewise.
13387 (fold_builtin_memory_op): Likewise.
13388 (fold_builtin_bcopy): Deleted; call site changed to invoke
13389 fold_builtin_memory_op directly.
13390 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
13391 (fold_builtin_strncpy): Likewise.
13392 (fold_builtin_memcmp): Likewise.
13393 (fold_builtin_strcmp): Likewise.
13394 (fold_builtin_strncmp): Likewise.
13395 (fold_builtin_signbit): Likewise.
13396 (fold_builtin_copysign): Likewise.
13397 (fold_builtin_isascii): Likewise.
13398 (fold_builtin_toascii): Likewise.
13399 (fold_builtin_isdigit): Likewise.
13400 (fold_builtin_fabs): Likewise.
13401 (fold_builtin_abs): Likewise.
13402 (fold_builtin_fmin_fmax): Likewise.
13403 (fold_builtin_carg): Likewise.
13404 (fold_builtin_classify): Likewise.
13405 (fold_builtin_unordered_cmp): Likewise.
13407 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
13408 New functions split out from fold_builtin_1.
13409 (fold_builtin_n): New.
13410 (fold_builtin_varargs): New.
13411 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
13413 (fold_call_expr): New.
13414 (build_function_call_expr): Rewrite to use new helper function.
13415 (fold_builtin_call_list): New.
13416 (build_call_expr): New.
13417 (fold_builtin_call_valist): New.
13418 (rewrite_call_expr): New.
13419 (validate_arg): New.
13420 (validate_arglist): Change parameter to be entire CALL_EXPR instead
13421 of an arglist. Change return type to bool. Use new CALL_EXPR
13424 (fold_builtin_strstr): Pass call arguments individually instead
13425 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13426 accessors and constructors. Return NULL_TREE instead of 0.
13427 (fold_builtin_strchr): Likewise.
13428 (fold_builtin_strrchr): Likewise.
13429 (fold_builtin_strpbrk): Likewise.
13430 (fold_builtin_strcat): Likewise.
13431 (fold_builtin_strncat): Likewise.
13432 (fold_builtin_strspn): Likewise.
13433 (fold_builtin_strcspn): Likewise.
13434 (fold_builtin_fputs): Likewise.
13435 (fold_builtin_next_arg): Likewise.
13436 (fold_builtin_sprintf): Likewise.
13438 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
13439 NULL_RTX instead of 0.
13440 (expand_builtin_memory_chk): Likewise.
13441 (maybe_emit_chk_warning): Likewise.
13442 (maybe_emit_sprintf_chk_warning): Likewise.
13444 (fold_builtin_object_size): Pass call arguments individually instead
13445 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
13446 accessors and constructors. Return NULL_TREE instead of 0.
13447 (fold_builtin_memory_chk): Likewise.
13448 (fold_builtin_stxcpy_chk): Likewise.
13449 (fold_builtin_strncpy_chk): Likewise.
13450 (fold_builtin_strcat_chk): Likewise.
13451 (fold_builtin_strcat_chk): Likewise.
13452 (fold_builtin_strncat_chk): Likewise.
13453 (fold_builtin_sprintf_chk): Likewise.
13454 (fold_builtin_snprintf_chk): Likewise.
13455 (fold_builtin_printf): Likewise.
13456 (fold_builtin_vprintf): Likewise.
13458 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
13460 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
13461 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13462 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
13463 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
13464 (fold_unary): Likewise.
13465 (fold_binary): Likewise.
13466 (fold_ternary): Remove CALL_EXPR case, since they are no longer
13467 ternary expressions.
13468 (fold): Add logic for tcc_vl_exp.
13469 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
13470 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13471 (fold_build3_stat): Add assertion to flag broken interface for
13472 constructing CALL_EXPRs.
13473 (fold_build_call_list): New.
13474 (fold_build_call_list_initializer): New.
13475 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
13477 (fold_strip_sign_ops): Likewise.
13479 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13480 Brooks Moses <brooks.moses@codesourcery.com>
13481 Lee Millward <lee.millward@codesourcery.com>
13483 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
13484 accessors and dump arguments explicitly.
13486 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
13488 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
13490 (print_call_name): Use new CALL_EXPR accessors.
13492 * print-tree.c (print_node): Add case tcc_vl_exp. Print
13493 CALL_EXPR arguments explicitly instead of as a list. Use
13494 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13496 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
13497 (vrp_visit_stmt): Likewise.
13499 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
13500 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
13502 (force_move_till_expr): Likewise.
13504 * targhooks.c (default_external_stack_protect_fail): Use
13505 build_call_expr instead of build_function_call_expr.
13506 (default_hidden_stack_protect_fail): Likewise.
13508 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
13511 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
13512 and walk arguments explicitly.
13514 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
13515 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13516 (expand_simple_operations): Likewise.
13517 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
13519 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
13520 of TREE_CODE_LENGTH.
13521 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
13523 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
13524 instead of TREE_CODE_LENGTH.
13526 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
13527 (tree_ic_transform): Likewise.
13528 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
13529 parameter instead of arglist. Fix callers.
13530 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
13531 (tree_stringops_transform): Likewise.
13532 (tree_indirect_call_to_profile): Likewise.
13533 (tree_stringops_values_to_profile): Likewise.
13535 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
13536 (eliminate_tail_call): Likewise.
13538 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
13540 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
13541 Use TREE_OPERAND_LENGTH and generalize to handle any number of
13543 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
13545 * omp-low.c (build_omp_barrier): Use build_call_expr.
13546 (lower_rec_input_clauses): Likewise.
13547 (lower_reduction_clauses): Likewise.
13548 (expand_parallel_call): Likewise.
13549 (maybe_catch_exception): Likewise.
13550 (expand_omp_for_generic): Likewise.
13551 (expand_omp_for_static_nochunk): Likewise.
13552 (expand_omp_sections): Likewise.
13553 (lower_omp_single_simple): Likewise.
13554 (lower_omp_single_copy): Likewise.
13555 (lower_omp_master): Likewise.
13556 (lower_omp_ordered): Likewise.
13557 (lower_omp_critical): Likewise.
13559 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
13560 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
13562 * tree-gimple.c (is_gimple_call_addr): Fix doc.
13563 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
13564 TREE_CODE_LENGTH. Add tcc_vl_exp case.
13566 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
13567 and generalize to handle any number of operands.
13568 (chrec_contains_undetermined): Likewise.
13569 (tree_contains_chrecs): Likewise.
13570 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
13572 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
13574 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
13575 fold_call_expr instead of fold_builtin.
13576 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
13577 match declarations there.
13578 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
13581 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
13582 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13584 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
13585 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
13587 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
13590 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
13591 (execute_cse_sincos): Use new CALL_EXPR accessors.
13593 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
13595 * gimple-low.c (lower_function_body): Use build_call_expr.
13596 (lower_builtin_setjmp): Likewise.
13598 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
13599 (set_storage_via_libcall): Likewise.
13600 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
13601 instead of TREE_CODE_LENGTH.
13602 (expand_expr_real_1): Use new CALL_EXPR accessors.
13604 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
13605 generalize to handle any number of operands.
13606 (TB_parent_eq): Likewise.
13608 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
13609 (strip_builtin_expect): Likewise.
13611 * function.c (gimplify_parameters): Use build_call_expr.
13613 * tree-vectorizer.c (vect_is_simple_reduction): Use
13614 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13616 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
13617 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
13619 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
13622 * gimplify.c (build_stack_save_restore): Use build_call_expr.
13623 (gimplify_decl_expr): Likewise.
13624 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
13625 Use new CALL_EXPR iterators.
13626 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
13627 (gimplify_modify_expr_to_memset): Likewise.
13628 (gimplify_variable_sized_compare): Likewise.
13629 (gimplify_omp_atomic_fetch_op): Likewise.
13630 (gimplify_omp_atomic_pipeline): Likewise.
13631 (gimplify_omp_atomic_mutex): Likewise.
13632 (gimplify_function_tree): Likewise.
13634 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
13635 (call_expr_flags): Likewise.
13636 (expand_call): Likewise.
13638 * except.c (expand_builtin_eh_return_data_regno): Pass entire
13639 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13642 * coverage.c (create_coverage): Use build_call_expr.
13644 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
13645 (temp_call_expr_obstack): New.
13646 (pool_copy_list): Delete.
13647 (temp_copy_call_expr): New.
13648 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
13649 CALL_EXPR accessors. Get rid of special goo for copying argument
13650 lists and use temp_copy_call_expr instead.
13651 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
13652 CALL_EXPR accessors.
13653 (create_expression_by_pieces): Likewise. Use build_call_array
13654 to construct the result instead of fold_build3.
13655 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
13656 dealing with argument lists.
13657 (init_pre): Remove references to expression_node_pool and
13658 list_node_pool. Init temp_call_expr_obstack instead.
13659 (fini_pre): Remove references to expression_node_pool and
13662 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
13663 and walk arguments explicitly instead of as a list.
13665 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
13666 (mx_register_decls): Likewise.
13667 (mudflap_register_call): Likewise.
13668 (mudflap_finish_file): Likewise.
13670 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
13671 (ipa_callsite_compute_param): Likewise.
13673 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
13674 accessors and constructor.
13676 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
13677 accessors and constructor.
13678 (convert_tramp_reference): Likewise.
13679 (convert_call_expr): Likewise.
13680 (finalize_nesting_tree_1): Likewise.
13682 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
13685 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
13687 * tree-inline.c (initialize_inlined_parameters): Pass entire
13688 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
13690 (estimate_num_insns_1): Use new CALL_EXPR accessors.
13691 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
13693 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
13694 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13695 (vectorizable_reduction): Likewise.
13696 (vectorizable_call): Use new CALL_EXPR iterators.
13697 (vectorizable_conversion): Use build_call_expr.
13698 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
13699 (vect_gen_widened_results_half): Use build_call_expr.
13700 (vect_setup_realignment): Likewise.
13701 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
13703 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
13704 (pass_through_call): Likewise.
13705 (compute_object_sizes): Likewise. Use fold_call_expr instead of
13708 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
13709 (tree_gen_pow2_profiler): Likewise.
13710 (tree_gen_one_value_profiler): Likewise.
13711 (tree_gen_ic_func_profiler): Likewise.
13712 (tree_gen_average_profiler): Likewise.
13713 (tree_gen_ior_profiler): Likewise.
13715 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
13716 (find_func_aliases): Use new CALL_EXPR accessors. Add case
13717 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
13719 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
13720 of TREE_CODE_LENGTH.
13722 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
13723 of TREE_CODE_LENGTH.
13725 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
13727 (convert_to_integer): Likewise.
13729 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
13732 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13733 Brooks Moses <brooks.moses@codesourcery.com>
13734 Lee Millward <lee.millward@codesourcery.com>
13736 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
13738 * config/frv/frv.c (frv_expand_builtin): Likewise.
13739 * config/s390/s390.c (s390_expand_builtin): Likewise.
13741 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
13742 (sparc_expand_builtin): Use new CALL_EXPR accessors.
13744 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
13745 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
13746 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
13747 (ix86_expand_store_builtin): Likewise.
13748 (ix86_expand_unop_builtin): Likewise.
13749 (ix86_expand_unop1_builtin): Likewise.
13750 (ix86_expand_sse_compare): Likewise.
13751 (ix86_expand_sse_comi): Likewise.
13752 (ix86_expand_vec_init_builtin): Likewise.
13753 (ix86_expand_vec_ext_builtin): Likewise.
13754 (ix86_expand_vec_set_builtin): Likewise.
13755 (ix86_expand_builtin): Use new CALL_EXPR accessors.
13757 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
13758 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
13760 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
13761 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13762 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
13764 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
13766 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
13767 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
13768 arglist. Use new CALL_EXPR accessors. Fix callers.
13769 (altivec_expand_abs_builtin): Likewise.
13770 (rs6000_expand_binop_builtin): Likewise.
13771 (altivec_expand_predicate_builtin): Likewise.
13772 (altivec_expand_lv_builtin): Likewise.
13773 (spe_expand_stv_builtin): Likewise.
13774 (altivec_expand_stv_builtin): Likewise.
13775 (rs6000_expand_ternop_builtin): Likewise.
13776 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
13777 (altivec_expand_st_builtin): Likewise.
13778 (altivec_expand_dst_builtin): Likewise.
13779 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
13780 arglist. Use new CALL_EXPR accessors. Fix callers.
13781 (altivec_expand_vec_set_builtin): Likewise.
13782 (altivec_expand_vec_ext_builtin): Likewise.
13783 (altivec_expand_builtin): Use new CALL_EXPR accessors.
13784 (spe_expand_builtin): Likewise.
13785 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
13786 arglist. Use new CALL_EXPR accessors. Fix callers.
13787 (spe_expand_evsel_builtin): Likewise.
13788 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
13789 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
13791 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
13792 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
13793 (arm_expand_unop_builtin): Likewise.
13794 (arm_expand_builtin): Use new CALL_EXPR accessors.
13796 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
13799 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
13800 CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
13802 (bfin_expand_unop_builtin): Likewise.
13803 (bfin_expand_builtin): Use new CALL_EXPR accessors.
13805 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13806 Brooks Moses <brooks.moses@codesourcery.com>
13807 Lee Millward <lee.millward@codesourcery.com>
13809 * c-semantics.c (build_stmt): Add internal diagnostic check.
13811 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
13812 accessors. Print arguments explicitly instead of as a list.
13814 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
13816 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
13817 (c_finish_omp_flish): Likewise.
13819 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
13820 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
13821 instead of TREE_CODE_LENGTH.
13822 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
13823 (c_warn_unused_result): Likewise.
13825 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13828 * doc/invoke.texi (Warning Options): Remove
13829 -Werror-implicit-function-declaration.
13830 (Wimplicit-function-declaration): Update description.
13831 * opts.c (common_handle_option): Move handling of -Werror=* to...
13832 (enable_warning_as_error): ...here.
13833 * opts.h (enable_warning_as_error): Declare.
13834 * c-decl.c (implicit_decl_warning): Unless
13835 -Wno-implicit-function-declaration is given, emit a pedwarn if
13836 -std=c99 or emit a warning if -Wimplicit-function-declaration.
13837 * c.opt (Wimplicit-function-declaration): Replace
13838 mesg_implicit_function_declaration with
13839 warn_implicit_function_declaration.
13840 * c-opts.c (c_common_handle_option):
13841 -Werror-implicit-function-declaration is exactly equal as
13842 -Werror=implicit-function-declaration.
13843 (set_Wimplicit): Replace mesg_implicit_function_declaration with
13844 warn_implicit_function_declaration.
13845 (c_common_post_options): -Wimplict-function-declaration is enabled
13846 by default by -std=c99, otherwise is disabled by default.
13847 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
13849 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13851 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
13852 DECL on the rhs to a DECL on the lhs for debug info purposes if the
13853 former is ignored but not the latter.
13855 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
13857 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
13858 is made and the reference doesn't use the alias set of its type,
13859 do not create the temporary using that type.
13861 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
13863 * jump.c: Remove prototypes for delete_computation and
13864 delete_prior_computation.
13866 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13868 * jump.c (get_label_after): Delete.
13869 (get_label_before, delete_computation, delete_jump,
13870 delete_prior_computation, follow_jumps): Move...
13871 * reorg.c (delete_computation, delete_prior_computation): ... here...
13872 (get_label_before, delete_jump): ... making these static ...
13873 (follow_jumps): ... and simplifying this since it only runs after
13875 * rtl.h (get_label_after, get_label_before, delete_jump,
13876 follow_jumps): Delete prototypes.
13878 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
13880 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
13882 2007-02-15 Nick Clifton <nickc@redhat.com>
13884 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
13885 order to prevent it from being munged by the target.
13887 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
13889 * config/i386/i386.md: Remove misleading comment.
13891 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13893 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
13894 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
13897 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13899 * tree-sra.c (instantiate_missing_elements): Canonicalize
13901 (sra_build_assignment): New.
13902 (generate_copy_inout, generate_element_copy,
13903 generate_element_zero, generate_one_element_init): Use it.
13905 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13907 * tree-sra.c (instantiate_missing_elements): Canonicalize
13909 (sra_build_assignment): New.
13910 (generate_copy_inout, generate_element_copy,
13911 generate_element_zero, generate_one_element_init): Use it.
13913 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
13915 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
13918 2007-02-14 Joseph Myers <joseph@codesourcery.com>
13920 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
13921 types as aggregates not scalars.
13922 * function.c (assign_stack_temp_for_type): Likewise.
13924 2007-02-14 Roger Sayle <roger@eyesopen.com>
13925 Zdenek Dvorak <dvorakz@suse.cz>
13927 * tree-dump.c (dump_switch_p_1): Require exact match of the option
13930 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
13932 * passes.c (next_pass_1): Clear the next field of the copied
13935 2007-02-14 Richard Henderson <rth@redhat.com>
13937 * tree-sra.c (early_sra): New.
13938 (decl_can_be_decomposed_p): Deny va_list if early_sra.
13939 (tree_sra_early, pass_sra_early): New.
13940 * tree-pass.h (pass_sra_early): Declare.
13941 * passes.c (init_optimization_passes): Use it.
13943 2007-02-14 Richard Guenther <rguenther@suse.de>
13945 * flags.h (issue_strict_overflow_warning): Convert to a macro.
13947 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
13949 PR tree-optimization/30771
13950 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
13952 (vect_analyze_operations): Induction phis can now be marked as
13954 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
13955 Update documentation accordingly.
13957 2007-02-14 Nick Clifton <nickc@redhat.com>
13959 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
13960 most 3 arguments are supported.
13961 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
13963 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
13965 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
13966 Ensure dst->current is valid.
13968 2007-02-13 Paul Brook <paul@codesourcery.com>
13970 * config.gcc: Add arm*-*-uclinux-*eabi.
13971 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
13972 (SUBTARGET_EXTRA_LINK_SPEC): Define.
13973 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
13974 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
13975 (LINK_SPEC): Define.
13976 (LIB_SPEC): Define.
13977 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
13979 * config/arm/uclinux-eabi.h: New file.
13980 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
13981 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
13984 2007-02-13 Ian Lance Taylor <iant@google.com>
13986 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
13987 * flags.h (warn_strict_overflow): Declare.
13988 (enum warn_strict_overflow_code): Define.
13989 (issue_strict_overflow_warning): New static inline function.
13990 * opts.c (warn_strict_overflow): New variable.
13991 (common_handle_option): Handle OPT_Wstrict_overflow and
13992 OPT_Wstrict_overflow_.
13993 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
13995 * fold-const.c: Include intl.h.
13996 (fold_deferring_overflow_warnings): New static variable.
13997 (fold_deferred_overflow_warning): New static variable.
13998 (fold_deferred_overflow_code): New static variable.
13999 (fold_defer_overflow_warnings): New function.
14000 (fold_undefer_overflow_warnings): New function.
14001 (fold_undefer_and_ignore_overflow_warnings): New function.
14002 (fold_deferring_overflow_warnings_p): New function.
14003 (fold_overflow_warning): New static function.
14004 (make_range): Add strict_overflow_p parameter. Change all
14006 (extract_muldiv, extract_muldiv_1): Likewise.
14007 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
14008 tree_expr_nonnegative_p.
14009 (fold_negate_expr): Call fold_overflow_warning.
14010 (fold_range_test): Likewise.
14011 (fold_comparison): Likewise.
14012 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
14013 instead of tree_expr_nonnegative_p.
14014 (tree_expr_nonnegative_warnv_p): Rename from
14015 tree_expr_nonnegative_p, add strict_overflow_p parameter.
14016 (tree_expr_nonnegative_p): New function.
14017 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
14018 strict_overflow_p parameter.
14019 (tree_expr_nonzero_p): New function.
14020 * passes.c (verify_interpass_invariants): New static function.
14021 (execute_one_pass): Call it.
14022 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
14024 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
14025 (estimate_numbers_of_iterations): Likewise.
14026 (scev_probably_wraps_p): Likewise.
14027 * tree-ssa-ccp.c: Include "toplev.h".
14028 (evaluate_stmt): Defer fold overflow warnings until we know we are
14030 (struct fold_stmt_r_data): Add stmt field.
14031 (fold_stmt_r): Defer fold overflow warnings until we know we
14033 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
14034 (fold_stmt_inplace): Likewise.
14035 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
14036 (cleanup_control_expr_graph): Defer fold overflow warnings until
14037 we know we are going to optimize.
14038 * tree-cfg.c (fold_cond_expr_cond): Likewise.
14039 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
14041 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
14042 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
14043 * tree-ssa-loop-manip.c (create_iv): Likewise.
14044 * c-typeck.c (build_conditional_expr): Likewise.
14045 (build_binary_op): Likewise.
14046 * tree-vrp.c (vrp_expr_computes_nonzero): Call
14047 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
14048 (extract_range_from_unary_expr): Likewise.
14049 * simplify-rtx.c (simplify_const_relational_operation): Warn when
14050 assuming that signed overflow does not occur.
14051 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
14052 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
14053 (fold_defer_overflow_warnings): Declare.
14054 (fold_undefer_overflow_warnings): Declare.
14055 (fold_undefer_and_ignore_overflow_warnings): Declare.
14056 (fold_deferring_overflow_warnings_p): Declare.
14057 (tree_expr_nonzero_warnv_p): Declare.
14058 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
14059 of warning options.
14060 (Warning Options): Document -Wstrict-overflow.
14061 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
14062 (tree-ssa-ccp.o): Likewise.
14063 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
14064 (fold-const.o): Depend on intl.h.
14066 2007-02-13 Ian Lance Taylor <iant@google.com>
14068 PR middle-end/30751
14069 * lower-subreg.c (resolve_simple_move): Decompose subregs in
14072 2007-02-13 Stuart Hastings <stuart@apple.com>
14074 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
14076 2007-02-13 Richard Henderson <rth@redhat.com>
14078 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
14079 handled_component_p before looking for the indirect_ref.
14081 2007-02-13 Richard Henderson <rth@redhat.com>
14083 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
14084 remove flags clobber.
14085 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
14086 (bswaphi_lowpart): New.
14087 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
14088 remove TARGET_BSWAP test. Delete expander of the same name.
14090 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
14091 (expand_unop): Use them.
14093 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
14095 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
14096 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
14097 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
14098 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
14099 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
14100 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
14101 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
14102 assembler dialect choice from asm templates.
14104 2007-02-12 Richard Henderson <rth@redhat.com>
14106 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
14107 (fixuns_trunc<SSEMODEF>si2): Use it.
14108 * config/i386/sse.md (vec_setv4sf_0): Export.
14109 * config/i386/i386.c (ix86_build_const_vector): Export.
14110 (ix86_split_convert_uns_si_sse): Rename from
14111 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
14112 * config/i386/i386-protos.h: Update.
14114 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14117 * c-typeck.c (c_finish_return): Improve warning message.
14119 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14121 * alias.c (find_symbolic_term): Delete unused function.
14123 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
14125 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
14126 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
14127 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
14129 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14131 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
14132 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
14133 the function, temporarily point the debug interface to the null one.
14135 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14137 * dwarf2out.c (round_up_to_align): New static function.
14138 (field_byte_offset): Use it to round the offset.
14140 2007-02-12 Richard Henderson <rth@redhat.com>
14142 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
14143 (inswl_const): Export.
14145 2007-02-12 Richard Henderson <rth@redhat.com>
14147 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
14148 result mode of the libcall, convert back to outmode.
14150 2007-02-12 Roger Sayle <roger@eyesopen.com>
14152 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
14153 (bswapdi2): New define_expand to implement 32-bit implementation.
14155 2007-02-12 Nick Clifton <nickc@redhat.com>
14157 * doc/invoke.texi (Overall Options): Document --help=.
14158 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
14159 (cc1_options): Pass --help= on to cc1.
14160 (display_help): Add description of --help=.
14161 (process_command): Add code to handle --help=. Allow translated
14162 --help and --target-help switches to be passed on to compiler
14164 (main): Remove unused if statement.
14165 * opts.c (columns): Remove.
14166 (LEFT_COLUMN): Define.
14167 (wrap_help): Add columns argument.
14168 (print_filtered_help): Change parameters to be an include bitmask,
14169 an exclude bitmask, an any bitmask and the column width. Move the
14170 code to display the params list here. Add code to display the
14171 status of options rather than their descriptions if the quiet flag
14173 (print_specific_help): Change parameters to be an include bitmask,
14174 an exclude bitmask and an any bitmask. Move code to look up the
14175 column width here. Decide upon the title for an options listing.
14176 (common_handle_options): Add code to handle --help=. Adapt code
14177 for --help and --target-help to use the revised form of the
14178 print_specific_help function.
14179 (print_help): Delete.
14180 (print_param_help): Delete.
14181 (print_switch): Delete.
14182 * opts.h (cl_lang_count): Add prototype.
14183 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
14184 CL_MAX_OPTION_CLASS): New defines.
14185 * optc-gen.awk: Add construction of cl_lang_count.
14186 * c.opt: Add Warning attribute to warning options and Optimization
14187 attribute to optimization options.
14188 * common.opt: Likewise.
14190 Add -fhelp and -ftarget-help as aliases for the transformed --help
14191 and --target-help options.
14192 * opt-functions.awk: Add code to handle Warning and Optimization
14195 2007-02-12 Richard Henderson <rth@redhat.com>
14197 * config/alpha/constraints.md: New file.
14198 * config/alpha/alpha.c: Include tm-constrs.h.
14199 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
14200 alpha_extra_constraint): Remove.
14201 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
14202 * config/alpha/alpha-protos.h: Update.
14203 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
14204 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
14205 (EXTRA_CONSTRAINT): Remove.
14206 * config/alpha/alpha.md: Include constraints.md.
14207 (adddi splitter): Use satisfies_constraint_*.
14208 * config/alpha/predicates.md (add_operand): Likewise.
14209 (sext_add_operand, addition_operation): Likewise.
14211 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
14213 PR tree-optimization/29145
14214 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
14215 in our handling of restrict qualified pointers.
14217 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14220 * doc/invoke.texi (Wunused-value): Update description.
14221 (Wextra): Delete item.
14222 * opts.c (set_Wextra): Don't use the value of Wextra to set the
14223 value of Wunused-value.
14224 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
14225 (c_finish_stmt_expr): Don't check extra_warnings.
14226 (emit_side_effect_warnings): The caller is responsible to check
14229 2007-02-11 Roger Sayle <roger@eyesopen.com>
14230 Matt Thomas <matt@3am-software.com>
14232 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
14234 2007-02-11 Roger Sayle <roger@eyesopen.com>
14236 * simplify-rtx.c (simplify_relational_operation_1): Optimize
14237 comparisons of POPCOUNT against zero.
14238 (simplify_const_relational_operation): Likewise.
14240 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14242 * doc/invoke.texi (Wextra): Delete outdated paragraph.
14244 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14246 * dwarf2out.c (root_type): Delete unused function.
14248 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14250 * genattrtab.c (contained_in_p): Delete unused function.
14251 (write_expr_attr_cache): Likewise.
14253 2007-02-11 Jan Hubicka <jh@suse.cz>
14255 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
14258 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
14260 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
14261 to add the REG_EQ* note.
14262 * see.c (see_merge_one_use_extension): Likewise.
14263 * local-alloc.c (update_equiv_regs): Likewise. Also don't
14264 turn REG_EQUAL notes into REG_EQUIV notes if the target
14265 register may have more than one set.
14266 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
14267 * gcse.c (try_replace_reg): Likewise.
14268 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
14269 * calls.c (fixup_tail_calls): Likewise. Abort if there is
14270 more than one REG_EQUIV note.
14271 * reload1.c (gen_reload): Use set_unique_reg_note.
14273 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
14275 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
14276 (ix86_builtin_conversion): New function.
14278 2007-02-06 Mark Mitchell <mark@codesourcery.com>
14281 * tree.h (DECL_REPLACEABLE_P): New macro.
14282 * except.c (set_nothrow_function_flags): Likewise.
14284 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
14285 Ira Rosen <irar@il.ibm.com>
14286 Dorit Nuzman <dorit@il.ibm.com>
14288 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
14289 * targhooks.c (default_builtin_vectorized_conversion): New.
14290 * targhooks.h (default_builtin_vectorized_function): New declaration.
14291 * target.h (struct vectorize): Add builtin_conversion field.
14292 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
14293 stmt_vec_info_type value.
14294 (vectorizable_conversion): New declaration.
14295 * tree-vect-analyze.c (vect_analyze_operations): Add
14296 vectorizable_conversion call.
14297 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
14298 * tree-vect-transform.c (vectorizable_conversion): New function.
14299 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
14300 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
14302 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
14303 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
14304 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
14305 or ALTIVEC_BUILTIN_VCFSX.
14307 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14310 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
14311 CONST_DOUBLE and operand 0 is a hard register.
14312 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
14313 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
14314 is a hard floating-point register.
14316 2007-02-10 Richard Henderson <rth@redhat.com>
14317 Jakub Jelinek <jakub@redhat.com>
14318 Alexandre Oliva <aoliva@redhat.com>
14320 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
14321 * builtin-types.def (BT_WORD): Make unsigned.
14322 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
14323 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
14324 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
14325 * c-decl.c (grokdeclarator): Don't error if !have_tls.
14326 * c-parser.c (c_parser_omp_threadprivate): Likewise.
14327 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
14329 * expr.c (emutls_var_address): New.
14330 (expand_expr_real_1): Expand emulated tls.
14331 (expand_expr_addr_expr_1): Likewise.
14332 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
14333 * output.h (emutls_finish): Declare.
14334 * toplev.c (compile_file): Call it.
14335 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
14336 address before wrapping in CONST.
14337 * varasm.c (emutls_htab, emutls_object_type): New.
14338 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
14339 (get_emutls_object_name, get_emutls_object_type): New.
14340 (get_emutls_init_templ_addr, emutls_decl): New.
14341 (emutls_common_1, emutls_finish): New.
14342 (assemble_variable): When emulating tls, swap decls; generate
14343 constructor for the emutls objects.
14344 (do_assemble_alias): When emulating tls, swap decl and target name.
14345 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
14347 * varpool.c (decide_is_variable_needed): Look at force_output.
14348 Recurse for emulated tls.
14349 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
14350 with decide_is_variable_needed.
14351 * emutls.c: New file.
14352 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
14353 tls_object for real tls.
14355 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
14357 PR rtl-optimization/29599
14358 * reload1.c (eliminate_regs_in_insn): Take the destination
14359 mode into account when computing the offset.
14361 2007-02-09 Stuart Hastings <stuart@apple.com>
14362 Richard Henderson <rth@redhat.com>
14364 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14365 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
14366 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
14367 fixuns_truncdfhi2): New.
14368 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
14369 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
14370 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
14371 (floatunssidf2): Allow nonimmediate source.
14372 * config/i386/sse.md (movdi_to_sse): New.
14373 (vec_concatv2di): Drop '*'.
14374 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
14375 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14376 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
14378 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
14379 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
14380 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
14381 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
14382 (ix86_build_signbit_mask): Fix decl of v, refactor to call
14383 ix86_build_const_vector.
14384 (x86_emit_floatuns): Rewrite.
14386 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14388 * genautomata.c (longest_path_length): Delete unused function.
14389 (struct state): Delete unused longest_path_length.
14390 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
14391 (get_free_state): Delete unused.
14393 2007-02-09 Jan Hubicka <jh@suse.cz>
14395 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
14396 * doc/invoke.texi (inline-unit-growth): Update default value.
14398 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
14399 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
14400 (rebuild_cgraph_edges): Likewise.
14401 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
14402 (dump_cgraph_node): Dump frequencies.
14403 (cgraph_clone_edge): Add frequency scales.
14404 (cgraph_clone_node): Add freuqnecy.
14405 * cgraph.h (cgraph_edge): Add freuqnecy argument.
14406 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
14407 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
14408 * tree-pass.h (TODO_rebuild_frequencies): New constant.
14409 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
14410 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
14411 (save_inline_function_body): Likewise.
14412 * ipa-inline.c: inluce rtl.h
14413 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
14414 (cgraph_edge_badness): Use frequencies.
14415 (cgraph_decide_recursive_inlining): Update clonning.
14416 (cgraph_decide_inlining_of_small_function): Dump frequency.
14417 * predict.c (estimate_bb_frequencies): Export.
14418 * predict.h (estimate_bb_frequencies): Declare.
14419 * tree-inline.c (copy_bb): Watch overflows.
14420 (expand_call_inline): Update call of cgraph_create_edge.
14421 (optimize_inline_calls): Use TODO flags to update frequnecies.
14422 * passes.h: Include predict.h
14423 (init_optimization_passes): Move profile ahead.
14424 (execute_function_todo): Handle TODO_rebuild_frequencies.
14426 2007-02-09 Roger Sayle <roger@eyesopen.com>
14428 * config/alpha/alpha.c (emit_insxl): Force the first operand of
14429 the insbl or inswl pattern into a register.
14431 2007-02-09 Roger Sayle <roger@eyesopen.com>
14433 * config/ia64/ia64.md (bswapdi2): New define_insn.
14435 2007-02-09 Richard Henderson <rth@redhat.com>
14437 * config/i386/constraints.md (Ym): New constraint.
14438 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
14439 (movdi_1_rex64): Split sse and xmm general register moves from
14440 memory move alternatives. Use conditional register constraints.
14441 (movsf_1, movdf_integer): Likewise.
14442 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14443 (movdf_integer_rex64): New.
14444 (pushsf_rex64): Fix output constraints.
14445 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
14446 (sse2_stored): Likewise.
14447 (sse2_storeq_rex64): New.
14448 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
14449 amd and not generic.
14450 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
14451 for optimize_size. Remove SF/DFmode hack.
14453 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
14455 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
14458 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
14459 Richard Sandiford <richard@codesourcery.com>
14461 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
14462 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
14463 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
14464 m68k/t-mlib to tmake_file.
14465 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
14466 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
14467 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
14468 Allow it to be cf or m68k. Set m68k_arch_family. If that
14469 variable is not empty, add t-$m68k_arch_family to tmake_file.
14470 Add t-mlibs to tmake_file.
14471 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
14472 * config/m68k/t-cf: New file.
14473 * config/m68k/t-m68k: Likewise.
14474 * config/m68k/t-mlibs: Likewise.
14475 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14476 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14477 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14478 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14479 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
14481 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
14482 (INSTALL_LIBGCC): Delete.
14483 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
14484 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14485 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14486 (M68K_MLIB_CPU): Define.
14487 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
14488 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
14489 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
14491 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
14492 Richard Guenther <rguenther@suse.de>
14494 PR middle-end/23361
14495 * fold-const.c (fold_comparison): Handle obfuscated comparisons
14496 against INT_MIN/INT_MAX.
14497 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
14498 file if a loop is removed.
14500 2007-02-09 Joseph Myers <joseph@codesourcery.com>
14502 * calls.c (store_one_arg): Pass correct alignment to
14503 emit_push_insn for non-BLKmode values.
14504 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
14505 unaligned stack slot via a suitably aligned slot.
14507 2007-02-08 DJ Delorie <dj@redhat.com>
14509 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
14511 (legal_subregs): Use unsigned char, make const.
14512 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
14514 2007-02-08 Paul Brook <paul@codesourcery.com>
14516 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
14517 special interworking needed.
14519 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
14521 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
14522 conditional to __SSE2__.
14523 (Entries below should have been added to first ChangeLog
14524 entry for amdfam10 dated 2007-02-05)
14525 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
14527 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
14529 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
14532 2007-02-08 DJ Delorie <dj@redhat.com>
14534 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
14535 * config/m32c/m32c.c (legal_subregs): New.
14536 (m32c_illegal_subreg_p): New.
14537 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
14538 unsupported subregs of hard regs.
14540 2007-02-08 Jan Hubicka <jh@suse.cz>
14542 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
14543 the same one; always update histograms.
14545 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14547 * passes.c (init_optimization_passes): Tidy comment.
14549 2007-02-08 Roger Sayle <roger@eyesopen.com>
14551 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
14552 strip zero_extend, bswap and rotates from POCOUNT's argument.
14553 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
14554 zero_extend and rotates from PARITY's argument.
14555 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
14556 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
14557 of an integer constant at compile-time.
14559 2007-02-08 Diego Novillo <dnovillo@redhat.com>
14562 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
14564 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
14567 * tree-ssa-live.c (remove_unused_locals): Do not remove
14568 TREE_ADDRESSABLE variables.
14569 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
14570 * tree-ssa-operands.c (add_virtual_operand): Remove argument
14571 FOR_CLOBBER. Update all users.
14572 If VAR has an associated alias set, add a virtual operand for
14573 it if no alias is found to conflict with the memory reference.
14575 2007-02-07 Jan Hubicka <jh@suse.cz>
14576 Robert Kidd <rkidd@crhc.uiuc.edu>
14578 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
14580 2007-02-07 Ian Lance Taylor <iant@google.com>
14582 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
14584 2007-02-07 Roger Sayle <roger@eyesopen.com>
14586 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
14587 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
14588 tablejumpdi, movsi_to_cr_one): Remove constraints from
14589 define_expand's match_operands.
14591 2007-02-07 Roger Sayle <roger@eyesopen.com>
14593 * global.c (compute_regsets): Move declatation of "i" inside of
14594 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
14596 2007-02-07 Jakub Jelinek <jakub@redhat.com>
14599 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
14600 of INDIRECT_REF <RESULT_DECL>.
14602 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
14604 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
14605 Kaz Kojima <kkojima@gcc.gnu.org>
14608 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
14610 (sh_initialize_trampoline): Add parentheses to avoid a warning.
14612 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
14614 * doc/loop.texi: Document possibility not to perform disambiguation
14615 of loops with multiple latches.
14616 * cfgloopmanip.c (alp_enum_p): Removed.
14617 (add_loop): Handle subloops. Use get_loop_body_with_size.
14618 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
14619 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
14620 the new forwarder block.
14621 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
14622 Handle the case latch is NULL.
14623 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
14624 modifications when marking loop exits.
14625 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
14627 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
14628 disambiguate_loops_with_multiple_latches.
14629 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
14630 before fix_loop_structure.
14631 * cfgloop.c: Include pointer-set.h and output.h.
14632 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
14633 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
14634 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
14635 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
14636 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
14637 disambiguate_multiple_latches, get_loop_body_with_size,
14638 disambiguate_loops_with_multiple_latches): New functions.
14639 (flow_loop_dump): Dump multiple latch edges.
14640 (flow_loop_nodes_find): Handle loops with multiple latches.
14641 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
14642 (glb_enum_p): Modified.
14643 (get_loop_body): Use get_loop_body_with_size.
14644 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
14645 (AVOID_CFG_MODIFICATIONS): New constant.
14646 (disambiguate_loops_with_multiple_latches, add_loop,
14647 get_loop_body_with_size): Declare.
14648 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
14650 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
14652 PR inline-asm/28686
14653 * global.c (compute_regsets): New function.
14654 (global_alloc): Refactored ELIMINABLE_REGSET
14655 and NO_GLOBAL_ALLOC_REGS computation out.
14656 (rest_of_handle_global_alloc): Call compute_regsets()
14657 for non-optimizing case.
14659 2007-02-06 Richard Henderson <rth@redhat.com>
14661 * config/i386/constraints.md (Y2): Rename from Y.
14662 (Yi): New constraint.
14663 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
14664 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
14665 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
14666 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
14667 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
14668 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
14669 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
14670 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
14671 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
14672 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
14673 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
14674 vec_extractv2si_1): Change Y constraints to Y2.
14675 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
14676 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
14677 Change Y constraints to Y2.
14678 (sse2_loadld): Change Y constraints to x.
14680 2007-02-06 Roger Sayle <roger@eyesopen.com>
14682 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
14683 (parity<mode>2): New define_expand using rs6000_emit_parity.
14684 * config/rs6000/rs6000.c (rs6000_emit_popcount,
14685 rs6000_emit_parity): New functions.
14686 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
14687 rs6000_emit_parity): Prototype here.
14689 2007-02-06 Ian Lance Taylor <iant@google.com>
14691 * lower-subreg.c (simple_move_operand): Reject CONST.
14692 (resolve_clobber): Call validate_change rather than directly
14693 assigning to XEXP (pat, 0).
14695 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14697 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
14698 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
14699 (tree-cfg.o): Remove hashtab.h dependency.
14701 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
14702 (struct ivopts_data): Change niters to pointer_map_t.
14703 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
14704 (niter_for_exit): Create pointer_map on demand. Change for
14706 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
14707 (free_loop_data): Destroy data->niters if created and reset field.
14708 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
14709 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
14711 * tree-ssa-reassoc.c: Include pointer-set.h.
14712 (bb_rank): Change to long *.
14713 (operand_rank): Change to pointer_map_t.
14714 (find_operand_rank): Return long, -1 if not found. Declare as inline.
14715 (insert_operand_rank): Accept long.
14716 (operand_entry_hash, operand_entry_eq): Remove.
14717 (get_rank): Return long. Adjust for changes above.
14718 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
14720 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
14722 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
14723 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
14724 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
14726 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
14727 directly since it cannot be NULL.
14728 (get_vi_for_tree): Rewrite for pointer_map API.
14729 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
14730 (init_alias_vars): Create vi_for_tree as pointer_map.
14731 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
14733 * tree-cfg.c: Don't include hashtab.h.
14734 (edge_to_cases): Declare as pointer_map.
14735 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
14737 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
14738 (start_recording_case_labels): Create edge_to_cases as pointer_map.
14739 (end_recoding_case_labels): Cleanup edge_to_cases manually before
14741 (record_switch_edge): Delete.
14742 (get_cases_for_edge): Adjust for pointer_map API, inline
14743 record_switch_edge (rewritten for new API), remove goto.
14745 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
14747 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
14748 * tree-nested.c: Include pointer-set.h.
14749 (var_map_elt, var_map_eq, var_map_hash): Delete.
14750 (struct nesting_info): Remove GTY marker. Change the two htab_t's
14751 to pointer_map_t's.
14752 (nesting_info_bitmap_obstack): New.
14753 (lookup_field_for_decl): Adjust for pointer_map API.
14754 (lookup_tramp_for_decl): Adjust for pointer_map API.
14755 (get_nonlocal_debug_decl): Adjust for pointer_map API.
14756 (get_local_debug_decl): Adjust for pointer_map API.
14757 (convert_nl_goto_reference): Adjust for pointer_map API.
14758 (convert_nl_goto_receiver): Adjust for pointer_map API.
14759 (create_nesting_tree): Create outside GGC space. Create bitmap on
14760 the new obstack. Create field_map and var_map as pointer_maps.
14761 (free_nesting_tree): Adjust for changes to create_nesting_tree.
14763 (lower_nested_functions): Move root here, no need to NULL it.
14764 Initialize and release the obstack.
14766 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
14768 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
14769 Remove prototypes and make them non-static.
14770 (struct tree_int_map): Remove.
14771 * tree.h (struct tree_int_map): Move here, turning TO into an
14773 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
14775 * tree.h (TREE_COMPLEXITY): Remove.
14776 (struct tree_exp): Remove complexity field.
14777 * tree.c (build1_stat): Don't set it.
14779 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
14780 Victor Kaplansky <victork@il.ibm.com>
14782 * tree-vectorizer.c (vect_is_simple_use): Support induction.
14783 (vect_is_simple_reduction): Support reduction with induction as
14784 one of the operands.
14785 (vect_is_simple_iv_evolution): Fix formatting.
14786 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
14787 formatting. Don't mark induction phis for vectorization.
14788 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
14789 * tree-vect-transform.c (get_initial_def_for_induction): New function.
14790 (vect_get_vec_def_for_operand): Support induction.
14791 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
14793 (vectorizable_reduction): Support reduction with induction as one of
14795 (vectorizable_type_demotion): Use def-type of stmt argument rather
14796 than dummy def-type.
14798 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
14799 flag_tree_scev_cprop.
14800 * common.opt (tree-scev-cprop): New flag.
14802 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
14803 call to vect_get_new_vect_var.
14805 2007-02-06 Ira Rosen <irar@il.ibm.com>
14807 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
14808 vectype is not NULL.
14809 (vect_pattern_recog_1): Likewise.
14811 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14813 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
14814 (fold_negate_expr): Likewise.
14816 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
14819 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
14820 even if cv-qualification is the same.
14822 2007-02-05 Geoffrey Keating <geoffk@apple.com>
14824 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
14825 __enable_execute_stack on completion.
14827 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14829 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
14830 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
14831 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
14832 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
14833 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
14834 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
14835 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
14836 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
14838 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14840 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
14841 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
14842 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
14843 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
14844 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
14845 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
14846 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
14847 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
14848 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
14849 umuldi3_highpart_rex64, umulsi3_highpart_insn,
14850 umulsi3_highpart_zext, smuldi3_highpart_rex64,
14851 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
14852 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
14853 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
14854 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
14855 sqrtextenddfxf2_i387): Added amdfam10_decode.
14857 * config/i386/athlon.md (athlon_idirect_amdfam10,
14858 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
14859 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
14860 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
14861 athlon_ivector_store_amdfam10): New define_insn_reservation.
14862 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
14865 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14867 * config/i386/athlon.md (athlon_call_amdfam10,
14868 athlon_pop_amdfam10, athlon_lea_amdfam10): New
14869 define_insn_reservation.
14870 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
14871 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
14872 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
14874 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14876 * config/i386/athlon.md (athlon_sseld_amdfam10,
14877 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
14878 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
14880 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14882 * config/i386/athlon.md (athlon_sseins_amdfam10): New
14883 define_insn_reservation.
14884 * config/i386/i386.md (sseins): Added sseins to define_attr type
14885 and define_attr unit.
14886 * config/i386/sse.md: Set type attribute to sseins for insertq
14889 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14891 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
14892 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
14893 ssecomi_load_amdfam10, ssecomi_amdfam10,
14894 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
14895 define_insn_reservation.
14896 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
14898 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14900 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
14901 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
14902 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
14903 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
14904 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
14905 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
14906 define_insn_reservation.
14908 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
14909 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
14910 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
14911 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
14912 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
14914 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14916 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
14917 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
14918 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
14919 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
14920 athlon_ssemul_load_k8): Added amdfam10.
14922 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14924 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
14925 (x86_sse_unaligned_move_optimal): New variable.
14927 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
14929 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
14930 for unaligned vector SSE double/single precision loads for AMDFAM10.
14932 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14934 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
14935 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
14936 Define TARGET_CPU_DEFAULT_amdfam10.
14937 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
14938 (processor_type): Add PROCESSOR_AMDFAM10.
14940 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
14941 processor_type in config/i386/i386.h.
14942 Enable imul peepholes for TARGET_AMDFAM10.
14944 * config.gcc: Add support for --with-cpu option for amdfam10.
14946 * config/i386/i386.c (amdfam10_cost): New variable.
14947 (m_AMDFAM10): New macro.
14948 (m_ATHLON_K8_AMDFAM10): New macro.
14949 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
14950 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
14951 x86_promote_QImode, x86_integer_DFmode_moves,
14952 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14953 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
14954 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
14955 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
14956 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
14957 Enable/disable for amdfam10.
14958 (override_options): Add amdfam10_cost to processor_target_table.
14959 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
14960 processor_alias_table.
14961 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
14962 (ix86_adjust_cost): Add code for amdfam10.
14964 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
14966 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
14967 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
14968 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
14969 * config/i386/i386.h: Add builtin definition for SSE4A.
14970 * config/i386/i386.md: Add support for ABM instructions
14971 (popcnt and lzcnt).
14972 * config/i386/sse.md: Add support for SSE4A instructions
14973 (movntss, movntsd, extrq, insertq).
14974 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
14975 Add -march=amdfam10 flag.
14976 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
14977 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
14979 * doc/extend.texi: Add documentation for SSE4A builtins.
14981 2007-02-05 Bob Wilson <bob.wilson@acm.org>
14983 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
14985 2007-02-05 Richard Guenther <rguenther@suse.de>
14987 * tree-vectorizer.h (vectorizable_function): Add argument type
14988 argument, change return type.
14989 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
14990 * tree-vect-transform.c (vectorizable_function): Handle extra
14991 argument, return vectorized function decl.
14992 (build_vectorized_function_call): Remove.
14993 (vectorizable_call): Handle calls with result and argument types
14994 differing. Handle loop vectorization factor correctly.
14995 * targhooks.c (default_builtin_vectorized_function): Adjust for
14997 * targhooks.h (default_builtin_vectorized_function): Likewise.
14998 * target.h (builtin_vectorized_function): Add argument type
15000 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
15001 extra argument, allow vectorizing of lrintf.
15002 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
15003 documentation of target hook.
15005 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
15008 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
15009 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
15010 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
15012 2007-02-05 Roger Sayle <roger@eyesopen.com>
15014 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
15015 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
15016 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
15017 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
15018 before canonicalizing sincos to cexpi.
15019 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
15021 2007-02-05 Roger Sayle <roger@eyesopen.com>
15023 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
15024 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
15025 (alpha_init_builtins): Use alpha_add_builtins to process tables.
15027 2007-02-05 Roger Sayle <roger@eyesopen.com>
15029 * mips-tfile.c (initialize_init_file): Correct endianness test.
15031 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
15033 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
15034 the 'y' constraint.
15036 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15038 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
15039 saves in a PARALLEL before the register assignments.
15041 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15043 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
15044 DWARF_FRAME_RETURN_COLUMN to be a general register.
15045 * dwarf2out.c (init_return_column_size): New function, split from...
15046 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
15047 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
15048 to be nongeneral registers.
15049 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
15051 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
15052 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
15054 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15056 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
15058 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15060 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
15061 (remove_path): Use can_remove_branch_p and remove_branch instead
15062 of loop_delete_branch_edge.
15063 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
15064 (tree_transform_and_unroll_loop): Remove dead branches immediately.
15065 Update profile using scale_dominated_blocks_in_loop.
15066 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
15067 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
15068 (can_remove_branch_p, remove_branch): Declare.
15069 * tree-cfg.c (tree_can_remove_branch_p): New function.
15070 (tree_cfg_hooks): Add tree_can_remove_branch_p.
15071 * cfgrtl.c (rtl_can_remove_branch_p): New function.
15072 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
15074 2007-02-05 Jan Hubicka <jh@suse.cz>
15076 PR middle-end/30696
15077 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
15078 nodes in cgraph, don't remove offline copy of the function.
15080 2007-02-04 Jan Hubicka <jh@suse.cz>
15082 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
15083 vectors might cause maybe_lookup_element_for_expr to be called
15084 on non-sra-candidate.
15086 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15088 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
15089 config/bfin/bfin.md, config/bfin/predicates.md: Follow
15090 spelling conventions.
15092 2007-02-04 Richard Guenther <rguenther@suse.de>
15094 PR middle-end/30636
15095 * fold-const.c (try_move_mult_to_index): Make sure to not
15096 overflow one dimension of a multi-dimensional array access.
15098 2007-02-04 Jan Hubicka <jh@suse.cz>
15100 * passes.c (init_optimization_passes): Reindent.
15102 2007-02-04 Jan Hubicka <jh@suse.cz>
15103 Eric Botcazou <ebotcazou@adacore.com>
15105 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
15106 (execute_fixup_cfg): Break out the abnormal goto code.
15107 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
15108 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
15109 (optimize_inline_calls): Call make_nonlocal_label_edges.
15111 2007-02-04 Jan Hubicka <jh@suse.cz>
15113 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
15114 true when something was changed.
15115 (rename_ssa_copies): When something was changed, do
15116 TODO_remove_unused_locals.
15117 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
15118 add TODO_remove_unused_locals when instruction was removed.
15120 2007-02-04 Jan Hubicka <jh@suse.cz>
15122 * ipa-inline.c (try_inline): Improve debug output; work on already
15124 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
15125 call try_inline for already inlined edges too when flattening;
15126 inline also functions that make callee growth but overall unit size
15129 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15131 * config/m32c/bitops.md, config/m32c/jump.md,
15132 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
15133 config/m32r/m32r.h, config/m32r/m32r.md,
15134 config/m32r/predicates.md, config/m68hc11/larith.asm,
15135 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
15136 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
15137 config/mips/mips-protos.h, config/mips/mips.c,
15138 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
15139 config/mn10300/mn10300.h, config/mn10300/predicates.md,
15140 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
15141 spelling conventions.
15143 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
15144 Follow spelling conventions.
15146 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
15148 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
15149 warn about C++0x compatibility.
15151 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15153 * config/h8300/h8300.c, config/h8300/h8300.h,
15154 config/h8300/h8300.md: Follow spelling conventions.
15156 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
15158 PR middle-end/30667
15159 * combine.c (try_combine): Do not substitute source operand
15160 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
15162 2007-02-03 Jan Hubicka <jh@suse.cz>
15164 PR gcov-profile/30650
15165 * value-prof.c (stringop_block_profile): Fix handling of size counter;
15166 do not divide by zero for never executed counters.
15167 (tree_find_values_to_profile): Fix counters.
15168 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
15170 2007-02-03 Ian Lance Taylor <iant@google.com>
15172 * lower-subreg.c (simple_move_operand): New static function,
15173 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
15175 (simple_move): Call simple_move_operand.
15176 (find_decomposable_subregs): Add special handling of MEMs.
15177 (can_decompose_p): Rename from cannot_decompose_p. Reverse
15178 meaning of return value. If we see a hard register, test whether
15179 it can store a word_mode value. Change all callers.
15181 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15183 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
15184 ftrapv insns and expanders.
15185 (subdi3): Change define_expand operand 1 to arith11_operand, and
15186 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
15187 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
15188 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
15191 PR middle-end/30174
15192 * varasm.c (notice_global_symbol): Treat global objects as weak when
15193 flag_shlib is true.
15195 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15197 * emit-rtl.c (dconstpi): Delete.
15198 (dconstsqrt2): New.
15199 (init_emit_once): Delete dconstpi and init dconstsqrt2.
15200 * real.h (dconstpi): Delete.
15201 (dconstsqrt2): New.
15202 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
15203 (fold_builtin_hypot): Likewise.
15205 2007-02-03 Tom Tromey <tromey@redhat.com>
15208 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
15209 -gcoff3, -gxcoff3, -gvms3 implies -dD.
15211 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
15213 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
15214 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
15215 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
15216 config/rs6000/cell.md, config/rs6000/darwin.h,
15217 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
15218 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
15219 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
15220 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
15221 typos. Follow spelling conventions.
15222 * doc/invoke.texi: Follow spelling conventions.
15224 2007-02-03 Roger Sayle <roger@eyesopen.com>
15226 * simplify-rtx.c (simplify_relational_operation_1): Implement some
15227 canonicalization transformations that attempt to simplify integer
15228 constant comparisons to become comparisons against zero.
15230 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15232 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
15234 * fold-const.c (fold_binary): Fix comment typos. Fold complex
15235 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
15237 2007-02-02 Mike Stump <mrs@apple.com>
15239 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
15240 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
15241 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
15242 generate a branch island.
15244 2007-02-02 Bob Wilson <bob.wilson@acm.org>
15246 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
15247 (xtensa_legitimate_address_p): New.
15248 (xtensa_legitimize_address): New.
15249 (xtensa_output_addr_const_extra): New.
15250 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
15252 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
15253 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
15254 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
15255 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
15256 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
15257 (xtensa_legitimize_address): New.
15258 (xtensa_output_addr_const_extra): New.
15260 2007-02-02 Steve Ellcey <sje@cup.hp.com>
15262 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
15264 2007-02-02 Ian Lance Taylor <iant@google.com>
15266 * expmed.c (expand_divmod): Add comment.
15268 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
15270 * emit-rtl.c (renumber_insns): Remove.
15271 * flags.h: Remove the extern for flag_renumber_insns.
15272 * rtl.h: Remove the prototype for renumber_insns.
15273 * toplev.c (flag_renumber_insns): Remove.
15275 2007-02-02 Hui-May Chang <hm.chang@apple.com>
15277 Revert for x86 darwin:
15278 2005-06-19 Uros Bizjak <uros@kss-loka.si>
15280 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
15281 code before the following patch under TARGET_MACHO.
15282 (ix86_function_value_regno_p): Likewise.
15284 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15286 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
15289 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15292 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
15293 loads to general or fp registers. Add comments.
15294 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
15296 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
15298 * pointer-set.c (insert_aux): Only return insertion slot.
15299 (pointer_set_insert): Adjust.
15300 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
15301 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
15302 pointer_map_traverse): New.
15303 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
15304 pointer_map_create, pointer_map_destroy, pointer_map_insert,
15305 pointer_map_contains, pointer_map_traverse): Declare.
15307 2007-02-02 Jakub Jelinek <jakub@redhat.com>
15309 PR middle-end/30473
15310 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
15311 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
15313 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15315 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
15317 (struct _dep): New type.
15318 (dep_t): New typedef.
15319 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
15320 (DEP_STATUS): New access macro. The macro with the same name was
15321 renamed to DEP_LINK_STATUS.
15322 (dep_init): Declare function
15324 (struct _dep_link): New type.
15325 (dep_link_t): New typedef.
15326 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
15327 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
15328 (DEP_LINK_STATUS): New macro.
15329 (debug_dep_links): New debug function.
15331 (struct _deps_list): New type.
15332 (deps_list_t): New typedef.
15333 (DEPS_LIST_FIRST): New access macro.
15334 (FOR_EACH_DEP_LINK): New cycle macro.
15335 (create_deps_list, free_deps_list, delete_deps_list): Declare
15337 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
15338 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
15339 (copy_deps_list_change_con): Ditto.
15341 (move_dep_link): Declare function.
15343 (struct _dep_node): New type.
15344 (dep_node_t): New typedef.
15345 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
15347 (struct haifa_insn_data.back_deps): New field to hold backward
15348 dependencies of the insn.
15349 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
15351 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
15352 Change its type to deps_list_t.
15353 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
15354 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
15355 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
15357 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
15359 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
15361 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
15363 (dep_cost): Declare.
15365 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
15366 (ds_to_dk, dk_to_ds): New functions.
15368 (init_dep_1): New static function.
15369 (init_dep): New function.
15370 (copy_dep): New static function.
15372 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
15374 (detach_dep_link): New static function.
15375 (move_dep_link): New function.
15377 (dep_links_consistent_p, dump_dep_links): New static functions.
15378 (debug_dep_links): New debugging function.
15380 (deps_obstack, dl_obstack, dn_obstack): New static variables.
15382 (alloc_deps_list, init_deps_list): New static functions.
15383 (create_deps_list): New function.
15384 (clear_deps_list): New static function.
15385 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
15386 (deps_list_consistent_p, dump_deps_list): New static functions.
15387 (debug_deps_list): New function.
15388 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
15390 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
15392 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
15393 use new scheduler dependencies lists.
15394 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
15395 (sched_analyze): Ditto. Initialize dependencies lists.
15396 (add_forw_dep, compute_forward_dependences): Update to use new
15397 scheduler dependencies lists.
15399 (init_dependency_caches): Init deps_obstack.
15400 (free_dependency_caches): Free deps_obstack.
15402 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
15403 new scheduler dependencies lists.
15404 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
15405 (add_back_forw_dep, delete_back_forw_dep): Ditto.
15407 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
15408 Update to use new scheduler dependencies lists.
15409 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
15410 (debug_dependencies): Ditto.
15411 (schedule_region): Update comments.
15413 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
15414 scheduler dependencies lists.
15415 (schedule_ebb): Update comments.
15417 * rtl.def (DEPS_LIST): Remove.
15419 * lists.c (unused_deps_list): Remove.
15420 (free_list): Update assertions.
15422 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
15423 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15425 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
15426 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
15428 * haifa-sched.c (comments): Update.
15429 (insn_cost1): Remove. Inline the code into insn_cost ().
15430 (insn_cost): Update to use new scheduler dependencies lists. Move
15431 processing of the dependency cost to dep_cost ().
15432 (dep_cost): New function. Use it instead of insn_cost () when
15433 evaluating cost of the dependency. Use compatible interface to
15434 interact with the target.
15435 (priority): Update to use new scheduler dependencies lists.
15436 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
15437 with greater number of insns that depend on the insn.
15438 (schedule_insn): Update to use new scheduler dependencies lists. Add
15439 code to free backward dependencies lists. Inline and optimize code
15440 from resolve_dep () - see PR28071.
15441 (ok_for_early_queue_removal): Update to use new scheduler dependencies
15442 lists. Update call to targetm.sched.is_costly_dependence hook.
15444 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
15445 scheduler dependencies lists.
15447 (resolve_dep): Remove. Move the logic to schedule_insn ().
15448 (init_h_i_d): Initialize dependencies lists.
15450 (process_insn_depend_be_in_spec): Rename to
15451 process_insn_forw_deps_be_in_spec. Update to use new scheduler
15452 dependencies lists.
15453 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
15454 Update to use new scheduler dependencies lists.
15455 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
15457 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
15458 new scheduler dependencies lists.
15459 (build_intra_loop_deps): Ditto.
15461 * target.h (struct _dep): Declare to use in
15462 gcc_target.sched.is_costly_dependence.
15463 (struct gcc_target.sched.adjust_cost): Fix typo.
15464 (struct gcc_target.sched.is_costly_dependence): Change signature to
15465 use single dep_t parameter instead of an equivalent triad.
15466 (struct gcc_target.sched.adjust_cost_2): Remove.
15468 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
15470 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
15472 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
15474 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
15476 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
15477 (REG_DEP_TRUE): Document.
15479 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
15480 Change signature to correspond to the targetm.sched.adjust_cost hook.
15481 Update use in TARGET_SCHED_ADJUST_COST_2.
15482 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
15483 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
15484 new scheduler dependencies lists.
15485 (ia64_gen_check): Ditto.
15487 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
15488 scheduler dependencies lists.
15490 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
15491 signature to correspond to the targetm.sched.is_costly_dependence hook.
15492 (is_costly_group): Update to use new scheduler dependencies lists.
15494 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
15495 instead of INSN_COST () macro.
15497 2007-02-01 Ian Lance Taylor <iant@google.com>
15499 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
15501 2007-02-01 Guy Martin <gmsoft@gentoo.org>
15503 * pa.md (tp_load): Correct mfctl instruction syntax.
15505 2007-02-01 Geoffrey Keating <geoffk@apple.com>
15507 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
15508 altivec_padding_size calculation on AIX. Improve comment, add
15509 assert to verify that it's right.
15511 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
15514 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
15516 PR inline-asm/28686
15517 * global.c (global_alloc): Add mising initialization of
15520 2007-02-01 Roger Sayle <roger@eyesopen.com>
15522 * alias.c (init_alias_analysis): Correct whitespace.
15523 * bb-reorder.c (fix_edges_for_rarely_executed_code,
15524 partition_hot_cold_basic_blocks): Likewise.
15525 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
15526 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
15527 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
15528 fold_builtin_snprintf_chk, fold_builtin_printf,
15529 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
15530 do_mpfr_arg3, do_mpfr_sincos): Likewise.
15531 * cfgcleanup.c (cleanup_cfg): Likewise.
15532 * cfgexpand.c (tree_expand_cfg): Likewise.
15533 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
15534 * function.c (get_next_funcdef_no): Likewise.
15535 * gengtype.c (main): Likewise.
15536 * genmodes.c (main): Likewise.
15537 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
15538 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
15539 * ifcvt.c (noce_emit_move_insn): Likewise.
15540 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
15542 * stor-layout.c (get_best_mode): Likewise.
15543 * tree-ssa-loop-niter.c (get_val_for): Likewise.
15544 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
15545 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
15546 perform_var_substitution, solve_graph): Likewise.
15547 * tree-vrp.c (vrp_finalize): Likewise.
15549 2007-02-01 Ian Lance Taylor <iant@google.com>
15551 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
15552 high part of a paradoxical subreg, return a constant zero.
15554 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
15556 * toplev.c (lang_dependent_init): Call init_set_costs.
15557 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
15559 2007-02-01 Richard Guenther <rguenther@suse.de>
15561 PR middle-end/30656
15562 * fold-const.c (fold_negate_expr): Allow negating a
15563 constant if overflow does not change.
15565 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15567 * doc/c-tree.texi (Expression trees): Improve markup.
15568 * doc/tm.texi (Register Classes, Addressing Modes)
15569 (Floating Point): Fix spacing after abbreviations. Fix some
15572 2007-02-01 Ben Elliston <bje@au.ibm.com>
15574 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
15575 * doc/contrib.texi: Likewise.
15576 * doc/install.texi: Likewise.
15578 2007-01-31 Richard Henderson <rth@redhat.com>
15579 Ian Lance Taylor <iant@google.com>
15581 * lower-subreg.c: New file.
15582 * rtl.def (CONCATN): Define.
15583 * passes.c (init_optimization_passes): Add pass_lower_subreg and
15584 pass_lower_subreg2.
15585 * emit-rtl.c (update_reg_offset): New static function, broken out
15586 of gen_rtx_REG_offset.
15587 (gen_rtx_REG_offset): Call update_reg_offset.
15588 (gen_reg_rtx_offset): New function.
15589 * regclass.c: Revert patch of 2006-03-05, restoring
15591 (clear_reg_info_regno): New function.
15592 * dwarf2out.c (concatn_loc_descriptor): New static function.
15593 (loc_descriptor): Handle CONCATN.
15594 * common.opt (fsplit_wide_types): New option.
15595 * opts.c (decode_options): Set flag_split_wide_types when
15597 * timevar.def (TV_LOWER_SUBREG): Define.
15598 * rtl.h (gen_reg_rtx_offset): Declare.
15599 (reg_scan_update): Declare.
15600 * regs.h (clear_reg_info_regno): Declare.
15601 * tree-pass.h (pass_lower_subreg): Declare.
15602 (pass_lower_subreg2): Declare.
15603 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
15604 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
15605 -fsplit-wide-types.
15606 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
15607 * Makefile.in (OBJS-common): Add lower-subreg.o.
15608 (lower-subreg.o): New target.
15610 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15612 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
15614 2007-01-31 Anatoly Sokolov <aesok@post.ru>
15617 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
15619 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15621 PR middle-end/29335
15622 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
15624 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
15626 * cfgloop.h: Include vec-prim.h.
15627 (enum li_flags): Remove LI_ONLY_OLD.
15628 (loop_iterator): Changed.
15629 (fel_next, fel_init): Iterate over loop tree.
15630 (FOR_EACH_LOOP_BREAK): New macro.
15631 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
15633 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
15634 * modulo-sched.c (sms_schedule): Ditto.
15635 * tree-vectorizer.c (vectorize_loops): Ditto.
15636 * doc/loop.texi: Update information on loop numbering and behavior of
15637 FOR_EACH_LOOP wrto new loops.
15638 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
15639 add_to_evolution_1): Test nestedness of loops instead of comparing
15641 * tree-chrec.c (chrec_fold_plus_poly_poly,
15642 chrec_fold_multiply_poly_poly, chrec_evaluate,
15643 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
15644 reset_evolution_in_loop): Ditto.
15645 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
15647 2007-01-31 Dirk Mueller <dmueller@suse.de>
15649 * c-common.c (warn_about_parentheses): Separate warning about
15650 un-parenthized sequence of comparison operators from the one
15651 which is supposed to warn about x <= y <= z.
15653 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
15655 * optabs.h (enum optab_index): Add new OTI_isinf.
15656 (isinf_optab): Define corresponding macro.
15657 * optabs.c (init_optabs): Initialize isinf_optab.
15658 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
15660 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
15661 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
15663 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
15664 expand_builtin_interclass_mathfn.
15665 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
15666 * config/i386/i386.md (UNSPEC_FXAM): New constant.
15667 (fxam<mode>2_i387): New insn pattern.
15668 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
15669 built-in functions as x87 inline asm.
15671 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15673 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
15675 2007-01-30 Eric Christopher <echristo@apple.com>
15677 * config.gcc: Add geode.
15679 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
15681 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
15682 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
15683 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
15684 value-prof.c: Fix comment typos.
15686 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15689 * doc/invoke.texi (Wpointer-arith): Document warning.
15691 2007-01-30 Janis Johnson <janis187@us.ibm.com>
15693 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
15694 the list of discrepancies from the draft TR.
15696 2007-01-30 Dirk Mueller <dmueller@suse.de>
15699 * doc/invoke.texi (-Wreturn-type): Update description to
15700 match new behavior.
15702 2007-01-30 Richard Sandiford <richard@codesourcery.com>
15704 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
15706 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
15708 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
15709 to handle optabs that operate on floating point input argument and
15710 output to integer output.
15711 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
15712 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
15713 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
15714 expand_builtin_interclass_mathfn ().
15715 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
15716 (ilogbsi2): Remove.
15717 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
15718 ilogbl built-in functions as x87 intrinsics.
15720 2007-01-30 Richard Guenther <rguenther@suse.de>
15722 PR middle-end/27657
15723 * dwarf2out.c (reference_to_unused): Query varpool if the
15724 variable was output.
15726 2007-01-30 Richard Guenther <rguenther@suse.de>
15728 PR middle-end/30313
15729 * passes.c (execute_one_pass): Reset in_gimple_form to not
15730 confuse non-unit-at-a-time mode.
15732 2007-01-29 Roger Sayle <roger@eyesopen.com>
15733 Richard Guenther <rguenther@suse.de>
15735 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
15736 avoid undefined behaviour on overflow. Use force_fit_type_double
15737 to construct the constant with the specified TREE_OVERFLOW.
15739 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15741 * config/dfp-bit.c: Add parameterized support for fp exceptions.
15742 * config/dfp-bit.h: Ditto.
15744 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15746 * c-decl.c (pop_scope): Replace warnings with call to
15747 warn_for_unused_label.
15748 * c-common.h (warn_for_unused_label): Declare.
15749 * c-common.c (warn_for_unused_label): Define.
15751 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15753 * tree-optimize.c (update_inlined_to_pointers): Delete unused
15756 2007-01-29 Janis Johnson <janis187@us.ibm.com>
15758 * Makefile.in (USER_H): Remove decfloat.h.
15759 * ginclude/decfloat.h: Delete, moving contents to ...
15760 * ginclude/float.h: Add support for decimal floating point,
15761 guarded by __STDC_WANT_DEC_FP__.
15763 2007-01-29 Mike Stump <mrs@apple.com>
15765 * doc/gccint.texi (Top): Rename Loop Representation to Loop
15766 Analysis and Representation to resolve case insensitive conflict.
15767 * doc/loop.texi (Loop Analysis and Representation): Likewise.
15769 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
15771 * tree.h (struct tree_memory_tag): Add aliases member.
15772 (MTAG_ALIASES): New macro.
15773 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
15774 (add_may_alias): Remove pointer-set. Update for may_aliases being
15776 (mark_aliases_call_clobbered): Update for may_aliases being a
15778 (compute_tag_properties): Ditto.
15779 (create_partition_for): Ditto.
15780 (compute_memory_partitions): Ditto.
15781 (dump_may_aliases_for): Ditto.
15782 (is_aliased_with): Ditto.
15783 (add_may_alias_for_new_tag): Ditto.
15784 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
15785 (compute_is_aliased): New function.
15786 (compute_may_aliases): Call compute_is_aliased).
15787 (init_alias_info): Initialize alias_bitmap_obstack.
15788 (union_alias_set_into): New function.
15789 (compute_flow_sensitive_aliasing): Use union_aliases_into.
15790 (have_common_aliases_p): Rewrite to take two bitmaps and use
15792 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
15793 Update for bitmaps.
15794 (finalize_ref_all_pointers): Update for add_may_alias changes.
15795 (new_type_alias): Ditto.
15796 * tree-flow-inline.h (may_aliases): Return a bitmap.
15797 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
15798 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
15799 may_aliases being a bitmap.
15800 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
15801 may_aliases now returns a bitmap.
15802 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
15804 * tree-ssa-operands.c (add_virtual_operand): Update for
15805 may_aliases being a bitmap.
15807 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
15809 PR tree-optimization/30630
15810 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
15811 variable as changed.
15813 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
15816 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
15817 expanded only once even if an error occurs.
15819 2007-01-29 Ben Elliston <bje@au.ibm.com>
15821 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
15822 (__gcov_average_profiler): Likewise.
15823 (__gcov_ior_profiler): Likewise.
15824 (__gcov_merge_ior): Likewise.
15826 2007-01-28 Jan Hubicka <jh@suse.cz>
15828 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
15829 * value-prof.c (stringop_block_profile): Likewise.
15831 2007-01-28 Jan Hubicka <jh@suse.cz>
15833 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
15834 Add variant handling histograms; add wrapper.
15835 (clear_storage_via_libcall): Export.
15836 (emit_block_move_hints): Break out from ...; add histograms.
15837 (emit_block_move): ... this one.
15838 (clear_storage_hints): Break out from ...; add histograms.
15839 (clear_storage): ... this one.
15840 (set_storage_via_memset): Handle histogram.
15841 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
15842 (clear_storage_hints, clear_storage_via_libcall): Declare.
15843 (set_storage_via_setmem): Update prototype.
15844 * doc/md.texi (movmem, setmem): Document new arguments.
15846 * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
15847 Add new histograms.
15848 (stringop_block_profile): New global function.
15849 (tree_stringops_values_to_profile): Profile block size and alignment.
15850 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
15852 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
15853 (stringop_block_profile): Declare.
15854 * builtins.c: Include value-prof.h.
15855 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
15856 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
15857 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
15858 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
15859 * profile.c (instrument_values): Add new counters.
15860 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
15862 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
15863 (tree_init_edge_profiler): Build new profilers.
15864 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
15865 (pass_tree_profile): Add dump.
15866 (tree_profile_hooks): Update.
15867 * Makefile.in (LIBGCOV): Add new constants.
15868 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
15869 __gcov_ior_profiler): New.
15870 * i386.md (movmem/setmem expanders): Add new optional arguments.
15872 2007-01-28 David Edelsohn <edelsohn@gnu.org>
15874 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
15876 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15878 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
15879 (tree_unswitch_single_loop): Pass eni_size_weights to
15880 tree_num_loop_insns.
15881 * tree-ssa-loop-manip.c: Include tree-inline.h.
15882 (can_unroll_loop_p): Pass eni_size_weights to
15883 tree_num_loop_insns.
15884 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
15885 Pass eni_size_weights to estimate_num_insns.
15886 * tree.h (init_inline_once): Export.
15887 * toplev.c (backend_init): Call init_inline_once.
15888 * cgraphunit.c (cgraph_process_new_functions,
15889 cgraph_analyze_function): Pass eni_inlining_weights to
15890 estimate_num_insns.
15891 * ipa-inline.c (compute_inline_parameters): Ditto.
15892 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
15893 to estimate_num_insns.
15894 (try_unroll_loop_completely): Pass eni_size_weights to
15895 tree_num_loop_insns.
15896 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
15897 ot estimate_num_insns.
15898 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
15899 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
15900 * tree-inline.c (eni_inlining_weights, eni_size_weights,
15901 eni_time_weights): New variables.
15902 (init_inline_once): Initialize them.
15903 (struct eni_data): Mew.
15904 (estimate_num_insns_1, estimate_num_insns): Use weights.
15905 * tree-inline.h (struct eni_weights_d): New.
15906 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
15907 (estimate_num_insns): Declaration changed.
15908 * cfgloop.h (tree_num_loop_insns): Declaration changed.
15909 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
15910 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
15912 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
15914 * tree-data-ref.c (conflict_fn): Assert that the number of affine
15915 relations in the conflict function is valid.
15917 2007-01-27 Ian Lance Taylor <iant@google.com>
15919 * common.opt: Add fstrict-overflow.
15920 * opts.c (decode_options): Set flag_strict_overflow if -O2.
15921 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
15922 (TYPE_OVERFLOW_UNDEFINED): Define.
15923 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
15925 * tree.h (TYPE_TRAP_SIGNED): Don't define.
15926 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
15927 (fold_negate_expr): Likewise.
15928 (make_range): Likewise.
15929 (extract_muldiv_1): Likewise.
15930 (maybe_canonicalize_comparison): Likewise.
15931 (fold_comparison): Likewise.
15932 (fold_binary): Likewise.
15933 (tree_expr_nonnegative_p): Likewise.
15934 (tree_expr_nonzero_p): Likewise.
15935 * tree-vrp.c (compare_values): Likewise.
15936 (extract_range_from_binary_expr): Likewise.
15937 (extract_range_from_unary_expr): Likewise.
15938 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
15940 (nowrap_type_p): Likewise.
15941 * tree-scalar-evolution.c (simple_iv): Likewise.
15942 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
15943 (build_range_check): Likewise.
15944 (extract_muldiv_1): Likewise.
15945 (fold_comparison): Likewise.
15946 * tree-vrp.c (vrp_int_const_binop): Likewise.
15947 (extract_range_from_unary_expr): Likewise.
15948 * convert.c (convert_to_integer): Likewise.
15949 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
15950 (fold_comparison): Likewise.
15951 (fold_binary): Likewise.
15952 * optabs.c (optab_for_tree_code): Likewise.
15953 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
15954 * simplify-rtx.c (simplify_const_relational_operation): Check
15955 flag_strict_overflow and flag_trapv.
15956 (simplify_const_relational_operation): Likewise.
15957 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
15958 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
15961 2007-01-27 Roger Sayle <roger@eyesopen.com>
15963 * tree.c (tree_fold_gcd): Delete.
15964 * tree.h (tree_fold_gcd): Remove prototype.
15965 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
15966 test whether one constant integer is a multiple of another. Instead
15967 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
15968 * fold-const.c (multiple_of_p): We've determined both TOP and
15969 BOTTOM are integer constants so we can call int_const_binop directly
15970 instead of the more generic const_binop.
15972 2007-01-27 Roger Sayle <roger@eyesopen.com>
15974 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
15975 1*X check that the constant hasn't overflowed, to preserve the
15977 (round_up): Provide an efficient implementation when rouding-up an
15978 INTEGER_CST to a power-of-two.
15980 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
15982 * doc/sourcebuild.texi: Add comma for clarity.
15983 * doc/extend.texi: Fix some typos.
15984 * doc/passes.texi: Likewise.
15985 * doc/cppinternals.texi: Likewise.
15986 * doc/c-tree.texi: Likewise.
15987 * doc/tree-ssa.texi: Likewise.
15988 * doc/install.texi: Likewise.
15990 2007-01-27 Jan Hubicka <jh@suse.cz>
15992 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
15993 (pass_sra): Do not require alias information.
15994 * passes.c (init_optimization_passes): Add SRA
15996 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
15998 * tracer.c (rest_of_handle_tracer): We already cleaned
15999 up the CFG in tracer() so don't do it here again.
16000 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
16001 cleanup_cfg here, either. And don't call renumber_insns.
16003 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
16004 and BB_HEAD are in the insn stream here. Instead make sure
16005 that BB_INSN is valid on all insns. Also, do check here that
16006 there are no pending branch predictions...
16007 (rtl_verify_flow_info): ...instead of doing it here. Checks
16008 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
16011 2007-01-26 Roger Sayle <roger@eyesopen.com>
16013 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
16014 function to simplify/factorize operand order canonicalization.
16015 (ix86_fixup_binary_operands): Reorganize using the above function.
16016 (ix86_binary_operator_ok): Likewise.
16018 2007-01-27 Jakub Jelinek <jakub@redhat.com>
16020 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
16021 file scope from optimize_attrs.
16022 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
16024 (optimize_attrs): Clear insn_code_values after freeing it.
16026 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16028 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
16029 a parts.base assignment.
16031 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16033 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
16034 (compute_subscript_distance, initialize_data_dependence_relation,
16035 finalize_ddr_dependent, analyze_ziv_subscript,
16036 analyze_siv_subscript_cst_affine,
16037 compute_overlap_steps_for_affine_univar,
16038 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
16039 analyze_siv_subscript, analyze_miv_subscript,
16040 analyze_overlapping_iterations, subscript_dependence_tester_1,
16041 compute_self_dependence, free_dependence_relation): Work
16042 with affine_fn instead of chrecs.
16043 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
16044 common_affine_function, affine_function_base,
16045 affine_function_constant_p, affine_fn_op, affine_fn_plus,
16046 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
16047 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
16048 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
16049 (all_chrecs_equal_p): Removed.
16050 * tree-data-ref.h (affine_fn, conflict_function): New types.
16051 (struct subscript): Change type of conflicting_iterations_in_a
16052 and conflicting_iterations_in_b.
16054 2007-01-26 Steve Ellcey <sje@cup.hp.com>
16057 * config/pa/pa.h (TARGET_HPUX_11): New.
16058 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
16059 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
16061 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
16062 Richard Guenther <rguenther@suse.de>
16064 * tree-ssa-structalias.c (solve_graph): Handle case
16065 we merged the variable to another.
16067 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16069 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
16072 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
16073 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
16075 2007-01-25 DJ Delorie <dj@redhat.com>
16077 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
16078 allow changes to modes which don't fit in those registers.
16080 * reload1.c (choose_reload_regs): Check for invalid subregs before
16081 computing their locations, not after.
16083 2007-01-25 Geoffrey Keating <geoffk@apple.com>
16086 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
16087 save Altivec registers in an eh_return function.
16088 (compute_vrsave_mask): Likewise.
16089 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
16090 for saving Altivec registers.
16091 (rs6000_emit_prologue): Don't allocate stack twice in
16092 eh_return function. Correct expected value of altivec_save_offset
16093 when using save_world. Describe save of R0 to stack when using
16094 save_world. Describe stack pointer adjustment when using
16095 save_world. Remove duplicated eh_return parameter register saving.
16096 Update sp_offset variable after save_world.
16097 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
16099 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
16100 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
16103 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16105 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
16107 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16110 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
16111 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
16113 2007-01-25 Richard Guenther <rguenther@suse.de>
16115 * doc/invoke.texi (-Wcoverage-mismatch): Document.
16116 * common.opt (-Wcoverage-mismatch): New warning option.
16117 * coverage.c (get_coverage_counts): Ignore coverage mismatch
16118 if -Wcoverage-mismatch is given.
16120 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
16122 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
16123 (ipcp_driver): Change to static definition.
16124 Add dumping of the ifunctions.
16125 (constant_val_insert): Remove unused parameter. Support for SSA.
16126 (ipcp_propagate_const): Support for SSA.
16127 (ipcp_profile_bb_print): Print only analyzed nodes.
16128 (ipcp_replace_map_create): Remove support for Fortran constant
16130 * ipa-prop.c (ipa_method_modify_stmt,
16131 ipa_callsite_compute_param): Support for SSA.
16132 * ipa-prop.h (ipcp_driver): Remove declaration.
16133 (IS_VALID_TREE_MAP_INDEX): Add define.
16135 2007-01-24 Geoffrey Keating <geoffk@apple.com>
16137 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
16139 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16141 PR middle-end/30447
16142 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
16143 constant argument to cabs and do it without checking for
16144 -funsafe-math-optimizations.
16146 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
16148 * c-common.h (RID_FIRST_CXX0X): New.
16149 (RID_LAST_CXX0X): New.
16150 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
16152 * c.opt (Wc++0x-compat): New.
16153 * doc/invoke.texi (-Wc++0x-compat): Document.
16155 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16157 * builtins.c (fold_builtin_carg): New.
16158 (fold_builtin_1): Use it.
16160 2007-01-24 Jan Hubicka <jh@suse.cz>
16162 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
16164 * ipa-inline.c (initial_insns, max_insns): Delete.
16165 (compute_max_insns): New function.
16166 (cgraph_decide_inlining_of_small_function): Use it; take minimal
16167 amount of insns as base for code growth.
16168 (cgraph_decide_inlining): Make initial_insns local; do not compute
16170 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
16171 * doc/invoke.texi (inline-unit-growth): Update docs.
16173 2007-01-24 Jakub Jelinek <jakub@redhat.com>
16175 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
16176 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
16177 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
16178 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
16179 for CPUs that have PTA_CX16 set.
16181 PR middle-end/27416
16182 * gimplify.c (omp_check_private): New function.
16183 (gimplify_scan_omp_clauses): Use it for
16184 firstprivate/lastprivate/reduction.
16186 PR middle-end/30494
16187 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
16188 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
16190 PR middle-end/30421
16191 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
16192 If lower_lastprivate_clauses emits some statements, append them
16193 to dlist rather than body_p and to body_p append an initializer.
16194 (lower_omp_for): Adjust caller.
16196 2007-01-24 Steve Ellcey <sje@cup.hp.com>
16198 * target.h (globalize_decl_name): New.
16199 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16200 * output.h (default_globalize_decl_name): New.
16201 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
16203 (globalize_decl): Ditto.
16204 (default_globalize_decl_name): New.
16205 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
16206 (ia64_handle_version_id_attribute): New.
16207 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16208 (ia64_asm_output_external): Use globalize_decl_name instead
16209 of globalize_label.
16210 * doc/extend.texi (version_id): New pragma.
16211 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
16213 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
16215 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
16216 _uleb128_t and _Unwind_SWord with _sleb128_t.
16217 * unwind-dw2.c (extract_cie_info, execute_stack_op,
16218 execute_cfa_program, uw_frame_state_for, uw_update_context_1):
16220 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
16221 * unwind-pe.h (read_uleb128, read_sleb128,
16222 read_encoded_value_with_base): Likewise.
16223 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
16225 2007-01-24 Richard Guenther <rguenther@suse.de>
16227 * builtins.c (expand_builtin_cexpi): Get the fndecl
16228 for cexp in the correct way.
16230 2007-01-24 Jan Hubicka <jh@suse.cz>
16232 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
16235 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
16237 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
16238 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
16239 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
16240 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
16241 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
16242 __SIZEOF_PTRDIFF_T__.
16243 * doc/cpp.texi: Documentation for the new builtin macros added.
16245 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
16247 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
16248 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
16249 instead of operands[2] to avoid access past the end of array.
16251 2007-01-24 Richard Sandiford <richard@codesourcery.com>
16253 * reload1.c (emit_reload_insns): Pass the reload register
16254 for a non-spill output reload through forget_old_reloads_1.
16256 2007-01-23 Joseph Myers <joseph@codesourcery.com>
16258 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
16259 _SOFT_DOUBLE if doubles use software floating-point.
16260 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
16261 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
16262 * config/rs6000/darwin-ldouble.c: Also compile functions for
16263 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
16264 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
16265 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
16266 commented-out long double override.
16267 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
16268 * config/rs6000/eabispe.h: Likewise.
16269 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
16270 long double for non-SPE.
16271 (rs6000_handle_option): Likewise.
16272 (invalid_e500_subreg): Disallow more subregs involding DImode,
16273 DFmode, TImode or TFmode.
16274 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
16276 (legitimate_lo_sum_address_p): Also check for TFmode for E500
16278 (rs6000_legitimize_address): Also handle TFmode for E500 double.
16279 (rs6000_legitimize_reload_address): Also handle TFmode for E500
16281 (rs6000_legitimate_address): Also check for TFmode for E500
16283 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
16284 (spe_build_register_parallel): Handle TFmode and TCmode.
16285 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
16287 (function_arg): Handle TFmode and TCmode for E500 double.
16288 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
16290 (print_operand): Handle TFmode and TImode for %y.
16291 (rs6000_generate_compare): Handle TFmode comparisons for E500
16293 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
16294 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
16295 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
16296 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
16297 TFmode for E500 double.
16298 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
16299 (floatsidf2): Enable for E500 double.
16300 (movtf_softfloat): Use rs6000_nonimmediate_operand.
16301 (extenddftf2): Change to extenddftf2_fprs.
16302 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
16303 depending on TARGET_E500_DOUBLE.
16304 (extendsftf2): Enable for E500 double.
16305 (trunctfdf2): Enable for E500 double.
16306 (trunctfsf2): Change to trunctfsf2_fprs.
16307 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
16308 depending on TARGET_E500_DOUBLE.
16309 (floatsitf2): Enable for E500 double.
16310 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
16311 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
16312 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
16313 (negtf2): Change to negtf2_internal.
16314 (negtf2): New expander.
16315 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
16316 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
16317 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
16318 (movdi_internal32): Use rs6000_nonimmediate_operand.
16319 (unnamed splitter): Likewise.
16320 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
16321 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
16322 (SPE64TF, DITI): New mode macros.
16323 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
16326 (frob_<mode>_di_2): New.
16327 (frob_tf_di_8_2): New.
16328 (frob_di_df): Change to frob_di_<mode>; allow more modes.
16330 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
16332 (frob_ti_<mode>_8_2): New.
16333 (frob_ti_tf_2): New.
16334 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
16335 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
16337 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
16338 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
16339 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
16340 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
16341 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
16342 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
16345 2007-01-23 Ian Lance Taylor <iant@google.com>
16347 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
16349 (OBJS-archive): Reformat, alphabetize.
16350 (OBJS): Change out_object_file to OBJS-md.
16352 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
16354 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
16355 JUMP_P and CALL_P predicates where applicable.
16356 * config/i386/i386.c: Ditto.
16357 * config/i386/i386.md: Ditto.
16358 * config/i386/mmx.md: Ditto.
16359 * config/i386/predicates.md: Ditto.
16361 2007-01-22 Andreas Schwab <schwab@suse.de>
16363 * config/m68k/m68k.h: Fix comment.
16365 2007-01-22 Jan Hubicka <jh@suse.cz>
16367 * passes.c (init_optimization_passes): Do not rerun
16368 pass_early_warn_uninitialized.
16370 2007-01-22 Richard Guenther <rguenther@suse.de>
16372 PR tree-optimization/30038
16373 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
16375 (execute_cse_sincos_1): Likewise.
16376 (execute_cse_sincos): Likewise.
16377 (gate_cse_sincos): Likewise.
16378 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
16379 the cexpi() canonicalization of sincos().
16380 * tree-pass.h (pass_cse_sincos): Declare.
16381 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
16383 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
16385 PR rtl-optimization/29329
16386 * combine.c (replaced_rhs_insn): Rename to i2mod.
16387 (replaced_rhs_value): Rename to i2mod_new_rhs.
16388 (i2mod_old_rhs): New global variable.
16389 (combine_instructions): Adjust for above change. Save a copy of
16390 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
16391 note are substituted in the second instruction.
16392 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
16393 ditch the note if it pertains to the second eliminated register
16394 and this register is mentioned in i2mod_old_rhs.
16397 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
16399 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
16400 the insn to which the note was originally attached.
16402 2007-01-21 Jan Hubicka <jh@suse.cz>
16404 * ipa-inline.c (inlining_mode): Comment, move up.
16405 (cgraph_decide_inlining_incrementally): Do not perform inlining
16406 itself; fix handling of flattening of self recursive functions.
16407 (cgraph_find_cycles): Remove.
16408 (cgraph_flatten_node): Remove.
16409 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
16410 (try_inline): New function.
16411 (cgraph_early_inlining): Update call of
16412 cgraph_decide_inlining_incrementally. Apply inlining here.
16413 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
16415 2007-01-21 Dirk Mueller <dmueller@suse.de>
16418 * tree-vrp.c (check_array_bounds): do not warn
16419 about ADDR_EXPR's of ARRAY_REF's which are immediately
16420 used in binary expressions.
16422 2007-01-21 Ira Rosen <irar@il.ibm.com>
16424 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
16425 read_write_dep and macros for its access.
16426 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
16427 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
16428 argument, call vect_check_interleaving for every independent pair of
16429 data-refs. Mark loads that access the same memory location as a store
16431 (vect_check_dependences): Remove.
16432 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
16433 call, fix the call to vect_analyze_data_ref_dependence.
16434 (vect_analyze_data_ref_access): For statements that access the same
16435 data-ref, check that they are not stores; for loads, check that there
16436 is no store that access the same location.
16438 2007-01-20 Roger Sayle <roger@eyesopen.com>
16439 Joseph Myers <joseph@codesourcery.com>
16441 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
16442 (-fdump-rtl-stack): Likewise.
16443 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
16444 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
16445 (-mpt-fixed): Use @minus{} for minus sign.
16446 (Using Precompiled Headers): Fix under/overfull hbox.
16448 2007-01-20 Jan Hubicka <jh@suse.cz>
16450 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
16451 place within annotation.
16453 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16455 * pa.c (output_move_double): Change array size of xoperands to 4.
16457 2007-01-20 Jan Hubicka <jh@suse.cz>
16459 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
16462 2007-01-19 Ian Lance Taylor <iant@google.com>
16464 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
16465 constant to unsigned HOST_WIDE_INT before negating.
16467 2007-01-19 Ian Lance Taylor <iant@google.com>
16469 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
16471 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
16472 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16473 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
16474 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
16475 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
16476 (realloc_vdef, realloc_vuse): Change second parameter to
16478 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
16479 fields to unsigned.
16480 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
16481 unsigned. Change x and lim locals to unsigned.
16482 (realloc_vdef, realloc_vuse): Change num_elem parameter to
16484 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
16485 (copy_virtual_operands): Change i and n locals to unsigned.
16487 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16489 PR middle-end/29335
16490 * builtins.c (fold_builtin_1): Handle builtin fdim.
16492 2007-01-20 Jan Hubicka <jh@suse.cz>
16494 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
16495 * tree-ssa-structalias.c (compute_points_to_sets): Do call
16496 init_alias_heapvars.
16497 (init_alias_heapvars): Initialize only when not already initialized.
16498 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
16500 2007-01-19 Roger Sayle <roger@eyesopen.com>
16502 * common.opt (fsigned-zeros): New command line option.
16503 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
16504 of flag_unsafe_math_optimizations.
16505 * opts.c (set_fast_math_flags): The -ffast-math command line option
16506 implies -fno-signed-zeros.
16507 (fast_math_flags_set_p): Likewise.
16509 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
16510 the documentation of -ffast-math appropriately. Wrap long lines.
16512 2007-01-19 Steve Ellcey <sje@cup.hp.com>
16514 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
16515 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
16517 2007-01-19 Tomas Bily <tbily@suse.cz>
16519 * cgraphunit.c (cgraph_finalize_function): Updating of pid
16521 (tree_init_ic_make_global_vars): New function
16522 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
16523 (tree_gen_ic_profiler): New function
16524 (tree_gen_ic_func_profiler): New function
16525 (tree_profiling): Added calling of tree_gen_ic_func_profiler
16526 (tree_profile_hooks): Added hook for indirec/virtual calls
16527 * value-prof.c (tree_find_values_to_profile): New case for
16529 (tree_values_to_profile): Call for determining indirect/virtual
16531 (tree_indirect_call_to_profile): New function
16532 (tree_ic_transform): New function
16533 (tree_ic): New function
16534 (find_func_by_pid): New function
16535 (init_pid_map): New function
16536 (tree_value_profile_transformations): Added check for
16537 indirect/virtual call transformation
16538 * value-prof.h (enum hist_type): New counter type for
16539 indirect/virtual calls
16540 (profile_hooks): Added new hook for profiling indirect/virtual
16542 * profile.c (instrument_values): New case for indirect/virtual
16544 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
16545 (GCOV_COUNTER_V_INDIR): New counter type
16546 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
16547 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
16549 * cgraph.c: Definition of cgraph_max_pid
16550 (cgraph_create_node): Default init of pid attribute
16551 * cgraph.h: Declaration of cgraph_max_pid
16552 (struct cgraph_node): Added pid attribute
16553 * libgcov.c (__gcov_indirect_call_profiler): New function
16554 (__gcov_one_value_profiler_body): New function
16555 (__gcov_one_value_profiler): Body was moved to
16556 __gcov_one_value_profiler_body and calls it
16558 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
16560 * doc/gty.texi (Options): Document the mark_hook option to GTY.
16561 * gengtype.c (write_types_data, write_func_for_structure,
16562 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
16563 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
16564 (walk_type, write_func_for_structure): Generate the mark_hook if
16567 2007-01-19 Jan Hubicka <jh@suse.cz>
16569 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
16570 'early' argument take inlining mode argument specifying whether to
16571 inline for size/speeed or all functions; add support for flattening;
16573 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
16575 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16578 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
16579 the name of the declared identifier.
16581 2007-01-19 Dirk Mueller <dmueller@suse.de>
16583 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
16584 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
16585 duplicate evaluation.
16587 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16589 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
16590 Macroize expander using X87MODEF12 mode macro. Extend operand 1
16591 to XFMode, use acosxf2 and truncate result to requested mode.
16592 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
16593 (asin<mode>2): Similarly, with asin expanders.
16594 (*fscalexf4_i387): Rename from *fscalexf4.
16595 (expNcorexf3): New expander.
16596 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
16597 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
16598 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
16599 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
16600 patterns for SSE math.
16601 (exp10<mode>2): Similarly, with exp10 expanders.
16602 (exp2<mode>2): Similarly, with exp2 expanders.
16603 (expm1<mode>2): Similarly, with expm1 expanders.
16604 (ldexp<mode>3): Similarly, with ldexp expanders.
16605 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
16606 Use gen_truncxf<mode>2_i387_noop to truncate result.
16608 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16610 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
16611 for ColdFire targets.
16613 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
16614 Richard Sandiford <richard@codesourcery.com>
16616 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
16617 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
16618 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
16619 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
16620 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16621 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
16623 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16625 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
16626 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
16627 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
16628 (*adddi_dilshr32_cf): New pattern.
16629 (adddi3, subdi3): Remove first alternatives.
16631 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16633 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
16634 implemented using move.l, do not use its cc result for floating-point
16637 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16639 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
16640 from accepting 's' constraints if flag_pic.
16642 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16644 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
16645 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
16646 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
16647 condition from TARGET_68881 to TARGET_HARD_FLOAT.
16649 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
16651 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
16652 ColdFire alternatives.
16653 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
16654 * config/m68k/m68k.md (clzsi2): Define for ColdFire
16655 architectures that support ff1 instruction.
16657 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16658 Julian Brown <julian@codesourcery.com>
16660 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
16661 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
16662 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
16665 2007-01-19 Richard Sandiford <richard@codesourcery.com>
16667 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
16669 (output_move_const_into_data_reg, output_move_simode_const): Delete.
16670 * config/m68k/m68k.c (const_method, const_int_cost): Take a
16671 HOST_WIDE_INT instead of an rtx.
16672 (m68k_rtx_costs): Update call accordingly.
16673 (output_move_const_into_data_reg): Likewise. Fix formatting.
16674 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
16676 (output_move_simode_const): Update calls after above changes.
16677 Rework to use automatic variables and predicates like MEM_P.
16678 * config/m68k/m68k.md (pushexthisi_const): Update call to
16681 2007-01-19 Dirk Mueller <dmueller@suse.de>
16683 * tree-ssa-alias.c (perform_var_substitution): Fix typo
16684 in dump_flags test.
16686 2007-01-19 Richard Guenther <rguenther@suse.de>
16688 * builtins.c (expand_builtin_cexpi): Fall back to expanding
16689 via cexp in case sincos is not available.
16691 2007-01-19 Richard Guenther <rguenther@suse.de>
16693 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
16694 * defaults.h (TARGET_HAS_SINCOS): Default to off.
16695 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
16696 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
16697 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
16698 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
16699 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
16700 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
16702 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
16704 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
16706 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
16707 (atan2xf3): Directly generate RTL pattern.
16708 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
16709 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16710 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16711 disable patterns for SSE math.
16712 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
16713 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
16714 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
16715 disable patterns for SSE math.
16717 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
16719 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
16721 2007-01-18 Roger Sayle <roger@eyesopen.com>
16723 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
16724 VIEW_CONVERT_EXPR to the same type as it's operand.
16726 2007-01-18 David Edelsohn <edelsohn@gnu.org>
16728 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
16729 configured for long double 128.
16731 2007-01-18 Mike Stump <mrs@apple.com>
16733 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
16736 2007-01-18 Michael Meissner <michael.meissner@amd.com>
16738 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
16741 2007-01-18 Jan Hubicka <jh@suse.cz>
16743 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
16744 greater than NUM_VOP_FREE_BUCKETS.
16746 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
16748 * tree-ssa-structalias.c: Update comments.
16749 (ptabitmap_obstack): Removed.
16750 (pta_obstack): New.
16751 (oldpta_obstack): Ditto.
16752 (stats): Add a few members.
16753 (struct variable_info): Remove node, complex, address_taken, and
16754 indirect_target members. Add oldsolution member.
16755 (new_var_info): Do not initialize removed members.
16756 (constraint_expr_type): Remove INCLUDES.
16757 (constraint_graph): Add size, implicit_preds, rep,
16758 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
16759 (FIRST_REF_NODE): New macro.
16760 (LAST_REF_NODE): Ditto.
16761 (FIRST_ADDR_NODE): Ditto.
16762 (find): New function.
16764 (dump_constraint): Do not handle INCLUDES.
16765 (insert_into_complex): Do not insert duplicate constraints.
16766 (condense_varmap_nodes): Renamed and rewritten into ...
16767 (merge_node_constraints): This. Also fix bug in handling of
16768 offseted copy constraints.
16769 (clear_edges_for_node): No longer need to deal with preds at all,
16770 or removing associated preds/succs.
16771 (merge_graph_nodes): Deal with indirect_cycles.
16772 Don't deal with predecessors.
16773 (add_implicit_graph_edge): New function.
16774 (add_pred_graph_edge): Ditto.
16775 (add_graph_edge): Don't deal with predecessors.
16776 (build_constraint_graph): Removed.
16777 (build_pred_graph): New function.
16778 (build_succ_graph): Ditto.
16779 (struct scc_info): Removed in_component. Added roots, dfs, and
16780 node_mapping. Remove visited_index, unification_queue.
16781 (scc_visit): Deal with union-find we do now.
16782 Deal with cycles with REF nodes.
16783 (collapse_nodes): Renamed and rewritten to ...
16784 (unify_nodes): This.
16785 (process_unification_queue): Removed.
16786 (topo_visit): Cleanup
16787 (do_da_constraint): Use find.
16788 (do_sd_constraint): Ditto.
16789 (do_ds_constraint): Ditto.
16790 (do_complex_constraint): Ditto.
16791 (init_scc_info): Update for removed and added members.
16792 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
16793 (find_indirect_cycles): This.
16794 (equivalence_class): New variable.
16795 (label_visit): New function.
16796 (perform_variable_substitution): Rewritten.
16797 (free_var_substitution_info): New function.
16798 (find_equivalent_node): Ditto.
16799 (move_complex_constraints): Ditto.
16800 (eliminate_indirect_cycles): Ditto.
16801 (solve_graph): Only propagate changed bits.
16802 Use indirect cycle elimination.
16804 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
16805 (tree_id_eq): Renamed to ...
16806 (tree_vi_eq): This. Update for member change
16807 (insert_id_for_tree): Renamed and rewritten to ...
16808 (insert_vi_for_tree): This.
16809 (lookup_id_for_tree): Renamed and rewritten to ...
16810 (lookup_vi_for_tree): This.
16811 (get_id_for_tree): Renamed and rewritten to ...
16812 (get_vi_for_tree): Ditto.
16813 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
16814 (process_constraint): Don't handle INCLUDES.
16815 Remove special ADDRESSOF case.
16816 (find_func_aliases): Rewrite to use vi functions instead of id
16818 (create_function_info_for): Ditto.
16819 (create_variable_info_for): Ditto.
16820 (intra_create_variable_infos): Ditto.
16821 (merge_smts_into): Ditto.
16822 (find_what_p_points_to): Ditto.
16823 (init_base_vars): Ditto.
16824 (init_alias_vars): Ditto.
16825 (remove_preds_and_fake_succs): New function.
16826 (dump_sa_points_to_info): Dump new stats.
16827 (dump_solution_for_var): Use find.
16828 (set_used_smts): Fix formatting.
16829 (compute_points_to_sets): Updated for new functions.
16830 (ipa_pta_execute): Ditto.
16832 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16833 Richard Sandiford <richard@codesourcery.com>
16835 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
16837 * calls.c (expand_call): If the return value is a PARALLEL,
16838 extract its first member.
16839 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
16840 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16841 use FUNCTION_EXTRA_EPILOGUE.
16842 (m68k_function_value): Return a PARALLEL if the return value
16843 is of a pointer type.
16844 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
16845 (FUNCTION_EXTRA_EPILOGUE): Remove.
16846 * config/m68k/m68k.md (D0_REG): New constant.
16848 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16850 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
16851 output a NOP for empty epilogues.
16853 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16855 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
16856 before function. Extend register save check to include all
16857 registers, not just integer ones.
16859 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16861 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
16862 (m68k_use_return_insn): ...this.
16863 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
16864 * config/m68k/m68k.c (use_return_insn): Rename to...
16865 (m68k_use_return_insn): ...this.
16866 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
16867 of USE_RETURN_INSN.
16869 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16871 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
16872 nearest even, fix denormal rounding overflow.
16874 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16876 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
16877 f%$smove and f%$move.
16878 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
16879 (extendsfdf2_cf): Use fdmove instead of f%&move.
16880 (truncdfsf2_cf): Use fsmove instead of f%$smove.
16881 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
16883 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16885 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
16888 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16890 * real.h (real_format): Add a canonical_nan_lsbs_set field.
16891 (coldfire_single_format): Declare.
16892 (coldfire_double_format): Likewise.
16893 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
16894 of qnan_msb_set to determine the lower bits of a canonical
16896 (encode_ieee_double): Likewise.
16897 (encode_ieee_quad): Likewise.
16898 (ieee_single_format): Initialize canonical_nan_lsbs_set.
16899 (mips_single_format): Likewise.
16900 (ieee_double_format): Likewise.
16901 (mips_double_format): Likewise.
16902 (ieee_extended_motorola_format): Likewise.
16903 (ieee_extended_intel_96_format): Likewise.
16904 (ieee_extended_intel_128_format): Likewise.
16905 (ieee_extended_intel_96_round_53_format): Likewise.
16906 (ibm_extended_format): Likewise.
16907 (mips_extended_format): Likewise.
16908 (ieee_quad_format): Likewise.
16909 (mips_quad_format): Likewise.
16910 (vax_f_format): Likewise.
16911 (vax_d_format): Likewise.
16912 (vax_g_format): Likewise.
16913 (i370_single_format): Likewise.
16914 (i370_double_format): Likewise.
16915 (decimal_single_format): Likewise.
16916 (decimal_double_format): Likewise.
16917 (decimal_quad_format): Likewise.
16918 (c4x_single_format): Likewise.
16919 (c4x_extended_format): Likewise.
16920 (real_internal_format): Likewise.
16921 (coldfire_single_format): New real_format.
16922 (coldfire_double_format): Likewise.
16923 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
16924 canonical_nan_lsbs_set.
16925 (pdp11_d_format): Likewise.
16926 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
16927 if TARGET_COLDFIRE_CPU.
16929 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16931 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
16932 (output_call, m68k_legitimize_call_address): Declare.
16933 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
16934 parenthesees. Add support for a 'W' constraint.
16935 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
16936 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
16937 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
16938 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
16940 (override_options): Initialize them. Do not set flag_no_function_cse
16941 for TARGET_ID_SHARED_LIBRARY.
16942 (m68k_output_pic_call): Delete.
16943 (m68k_legitimize_call_address): New function.
16944 (print_operand): Remove the %o prefix. Handle the %p prefix.
16945 (output_call): New function.
16946 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
16947 target address from the GOT if symbolic jumps are not allowed.
16948 * config/m68k/m68k.md (call, general_operand): Do not set
16949 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
16950 Merge separate flag_pic and !flag_pic define_insns into...
16951 (*call, *call_value): ...these new patterns. Match the address
16952 rather than the containing MEM and require it to be a call_operand.
16953 Use output_call to generate the asm template.
16954 * config/m68k/predicates.md (const_call_operand): New predicate.
16955 (call_operand): Likewise.
16957 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16959 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
16960 (STACK_GROWS_DOWNWARD): Define to 1.
16961 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
16962 comments, emphasizing that these values are only defaults.
16963 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
16964 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
16966 2007-01-18 Richard Sandiford <richard@codesourcery.com>
16968 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
16970 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
16971 Richard Sandiford <richard@codesourcery.com>
16973 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
16974 (FP_REGNO_P): New macros.
16975 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
16976 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
16977 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
16978 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
16980 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16982 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16983 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
16985 * config/m68k/t-floatlib: New file, extracting common code from...
16986 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
16987 * config/m68k/t-uclinux: Here.
16988 * config/m68k/fpgnulib.c: Do not compile extendeed precision
16989 routines on ColdFire targets.
16991 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
16993 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
16994 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
16995 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
16996 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
16997 explicitly set MOTOROLA to 1.
16998 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
17000 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17001 Nathan Sidwell <nathan@codesourcery.com>
17003 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
17004 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
17005 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
17006 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
17007 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
17008 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
17009 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
17010 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
17011 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
17012 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17013 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
17014 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
17015 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
17016 (DBX_REGISTER_NUMBER): Delete.
17017 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
17018 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17019 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
17021 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17023 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
17024 * config/flat.h: New file.
17025 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
17026 OBJECT_FORMAT_FLAT.
17027 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
17028 indirect references for -msep-data or -mid-shared-library.
17029 Do not use PC-relative code addresses either.
17030 * config/m68k/m68k.c (override_options): Restrict -fPIC error
17032 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
17033 for shared libraries and crt1.o for executables. Use crti.o and
17035 (ENDFILE_SPEC): Use crtend.o and crtn.o.
17036 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
17037 Do not add -elf2flt or -shared-lib-id options here.
17038 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
17039 Pass -shared-lib-id if -mid-shared-library, taking the library
17040 identifier from -mshared-library-id if given, otherwise
17042 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
17043 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
17044 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
17045 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
17046 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
17047 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
17049 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
17050 jump sequence for ISA A and ISA A+.
17051 (PICJUMP): Likewise.
17053 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17055 * config.gcc (m68k-*-uclinux*): Base the port on the common
17056 and m68k GNU/Linux files rather than on the generic ELF ones.
17057 * config/m68k/uclinux.h (TARGET_VERSION): Override.
17058 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
17060 2007-01-18 Julian Brown <julian@codesourcery.com>
17061 Richard Sandiford <richard@codesourcery.com>
17063 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
17064 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17065 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
17067 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
17068 80 unconditionally.
17069 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17071 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17073 * doc/install.texi: Document m68k-uclinuxoldabi.
17074 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
17075 * config/m68k/uclinux-oldabi.h: New file, copied from
17076 config/m68k/uclinux.h.
17078 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
17080 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
17081 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
17082 (m32r_compute_frame_size): Use unsigned for regno.
17083 (m32r_reload_lr): Use gen_frame_mem.
17085 (m32r_output_function_epilogue): Don't output the function epilogue
17087 (m32r_expand_epilogue): New.
17088 (direct_return): Return false if the function has the interrupt
17090 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
17091 * config/m32r/m32r.md (epilogue): New expander.
17092 (return_lr, return_rte): New insns.
17093 (return): Make it expander.
17094 (return_normal): New expander.
17096 2007-01-18 Josh Conner <jconner@apple.com>
17099 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
17100 support for UNLE, UNLT, UNGE, and UNGT.
17102 2007-01-18 Jan Hubicka <jh@suse.cz>
17104 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
17105 * tree-tailcall (add_virtual_phis): Likewise.
17106 (optimize_tail_call): Return TODOs.
17107 (execute_tail_calls): Return TODOs.
17108 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
17109 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
17111 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
17112 Cleanup cfg using TODO.
17113 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
17114 * passes.c (execute_function_todo): When cleanup did something, remove
17116 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
17117 (make_edges): Don't cleanup_cfg.
17119 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
17121 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
17122 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
17123 operate on the top of stack.
17124 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
17125 register handling of instructions that output to the second
17127 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
17128 (move_for_stack_reg): Special-case check for dead destination
17129 stack slot for constant load of 1.0 inside UNSPEC_TAN.
17131 * config/i386/i386.md (UNSPEC_TAN): New constant.
17132 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
17133 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
17134 to correctly model move of constant 1.0 to top stack slot.
17135 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
17136 (unnamed peephole2 pattern): Remove corresponding peephole2
17137 pattern that optimizes tan insn and loading of constant 1.0.
17138 (tanxf2): Use fptanxf4_i387.
17139 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
17140 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
17141 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
17142 disable patterns for SSE math.
17143 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
17144 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
17146 2007-01-18 Dirk Mueller <dmueller@suse.de>
17147 Richard Guenther <rguenther@suse.de>
17150 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
17151 * common.opt (Warray-bounds): Add new warning option.
17152 * c-opts.c (c_common_handle_option): Define -Warray-bounds
17154 * Makefile.in: make tree-vrp.o depend on toplev.h
17155 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
17157 (check_array_refs, check_array_bounds, check_array_ref): New.
17159 2007-01-18 Jan Hubicka <jh@suse.cz>
17161 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
17162 (execute_ssa_ccp): Return flags conditionally.
17163 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
17165 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
17167 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
17169 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
17170 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
17172 * Makefile.c (GTFILES): Add cfglayout.h.
17173 * gengtype.c (open_base_files): Likewise.
17174 * cfglayout.c (cfg_layout_function_footer,
17175 cfg_layout_function_header) Reindent to make gengtype happy.
17176 * cfglayout.h (cfg_layout_function_footer,
17177 cfg_layout_function_header): Add GTY(()) marker.
17179 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
17181 2007-01-18 Ben Elliston <bje@au.ibm.com>
17183 * genautomata.c (write_automata): Include xstrerror output in the
17184 error message if writing the DFA description file fails.
17186 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
17188 * config/mips/mips-protos.h (mips_output_external): Make it
17190 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
17191 * config/mips/mips.c (irix_output_external_libcall): Likewise.
17192 (extern_list): Likewise.
17193 (extern_head): Likewise.
17194 (TARGET_ASM_FILE_END): Likewise.
17195 (mips_file_end): Likewise.
17196 (mips_output_external): Rewritten.
17198 2007-01-18 Ben Elliston <bje@au.ibm.com>
17200 * genpreds.c (write_insn_preds_c): Only write out the function
17201 body for regclass_for_constraint if we have register constraints.
17203 2007-01-17 Tom Tromey <tromey@redhat.com>
17205 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
17206 * doc/install.texi (Testing): Use sourceware.org.
17207 (Binaries): Likewise.
17208 (Specific): Likewise.
17209 * doc/contrib.texi (Contributors): Use sourceware.org.
17211 2007-01-17 Anatoly Sokolov <aesok@post.ru>
17213 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
17214 (AVR_ENHANCED): Rename to ...
17215 (AVR_HAVE_MUL): ... new.
17216 (avr_enhanced_p): Rename to ...
17217 (avr_have_mul_p): ... new.
17218 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
17219 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
17220 * config/avr/avr.c (avr_enhanced_p): Rename to ...
17221 (avr_have_mul_p): ... new.
17222 (base_arch_s): Rename 'enhanced' to 'have_mul'.
17223 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
17224 'avr_enhanced_p' and 'enhanced'.
17225 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
17226 AVR_HAVE_MUL instead of AVR_ENHANCED.
17227 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
17228 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
17229 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
17230 instead of AVR_ENHANCED.
17231 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
17232 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
17233 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
17235 2007-01-17 Ian Lance Taylor <iant@google.com>
17237 * vec.h (VEC_reserve_exact): Define.
17238 (vec_gc_p_reserve_exact): Declare.
17239 (vec_gc_o_reserve_exact): Declare.
17240 (vec_heap_p_reserve_exact): Declare.
17241 (vec_heap_o_reserve_exact): Declare.
17242 (VEC_OP (T,A,reserve_exact)): New static inline function, three
17244 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
17245 negative parameter.
17246 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
17247 (VEC_OP (T,A,copy)) [all versions]: Likewise.
17248 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
17249 * vec.c (calculate_allocation): Add exact parameter. Change all
17251 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
17252 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
17253 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
17254 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
17255 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
17256 (vec_heap_p_reserve_exact): New function.
17257 (vec_heap_o_reserve_exact): New function.
17259 2007-01-17 Jan Hubicka <jh@suse.cz>
17261 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
17263 2007-01-17 Eric Christopher <echristo@apple.com>
17265 * config.gcc: Support core2 processor.
17267 2007-01-16 Jan Hubicka <jh@suse.cz>
17269 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
17270 the names, just unlink the chain so we don't crash on dangling
17274 2007-01-16 Jan Hubicka <jh@suse.cz>
17276 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
17277 * tree-pass.h: Reorder to make IPA passes appear toegher.
17278 (pass_early_inline, pass_inline_parameters, pass_apply_inline):
17280 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
17281 parameters, do not call early inliner.
17282 * ipa-inline.c: Update comments. Include tree-flow.h
17283 (cgraph_decide_inlining): Do not compute inlining parameters.
17284 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
17285 be called with function context set up.
17286 (pass_ipa_inline): Remove unreachable functions before pass.
17287 (cgraph_early_inlining): Simplify assuming to be called from the
17289 (pass_early_inline): New pass.
17290 (cgraph_gate_ipa_early_inlining): New gate.
17291 (pass_ipa_early_inline): Turn into simple wrapper.
17292 (compute_inline_parameters): New function.
17293 (gate_inline_passes): New gate.
17294 (pass_inline_parameters): New pass.
17295 (apply_inline): Move here from tree-optimize.c
17296 (pass_apply_inline): New pass.
17297 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
17299 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
17300 doing them by hand.
17301 (tree_function_versioning): Do not allocate dummy struct function.
17302 * tree-inline.h (optimize_inline_calls): Update prototype.
17303 * tree-optimize.c (execute_fixup_cfg): Export.
17304 (pass_fixup_cfg): Remove
17305 (tree_rest_of_compilation): Do not apply inlines.
17306 * tree-flow.h (execute_fixup_cfg): Declare.
17307 * Makefile.in (gt-passes.c): New.
17308 * passes.c: Include gt-passes.h
17309 (init_optimization_passes): New passes.
17310 (nnodes, order): New static vars.
17311 (do_per_function_toporder): New function.
17312 (execute_one_pass): Dump current pass here.
17313 (execute_ipa_pass_list): Don't dump current pass here.
17315 2007-01-16 Janis Johnson <janis187@us.ibm.com>
17317 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
17318 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
17320 2007-01-16 David Edelsohn <edelsohn@gnu.org>
17322 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
17323 (strong_alias): Define.
17324 (__gcc_qmul): Provide non-FMA for soft-float.
17325 (__gcc_qdiv): Same.
17330 (__gcc_qunord): New.
17340 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
17341 soft-float functions.
17342 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
17343 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
17344 about long double soft float.
17346 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
17347 Tehila Meyzels <tehila@il.ibm.com>
17349 * tree-vectorizer.h (is_pattern_stmt_p): New.
17350 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
17351 formatting (tabs instead of spaces). Cleanup and clarify setting
17352 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
17353 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
17354 (vectorizable_type_demotion): Check that types are integral.
17355 (vectorizable_type_promotion): Likewise.
17356 (vectorizable_store): Fix typo. Eliminate new-line at end of
17359 2007-01-16 Jan Hubicka <jh@suse.cz>
17361 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
17364 2007-01-15 Eric Christopher <echristo@apple.com>
17366 * ifcvt.c: Include vec.h, vecprim.h.
17367 (check_cond_move_block): New argument regs.
17368 Reorganize. Add registers used to regs.
17369 (cond_move_process_if_block): Use regs set above as
17372 2007-01-15 Eric Christopher <echristo@apple.com>
17374 * config/darwin.h: Update copyright.
17375 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
17376 (LINK_COMMAND_SPEC): Add -u.
17377 (LINK_SPEC): Fix umbrella for above.
17379 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
17381 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
17384 2007-01-15 Tom Tromey <tromey@redhat.com>
17386 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
17387 * doc/install.texi (Testing): Don't mention jacks.
17388 (Configuration): Document --enable-java-maintainer-mode. Move
17389 --with-java-home to libgcj-specific section. Document
17391 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
17393 2007-01-15 Jan Hubicka <jh@suse.cz>
17395 * tree-ssa-dce.c (DCE_TODOs): New.
17396 (propagate_necessity): Return if something changed.
17397 (eliminate_unnecessary_stmts): Likewise.
17398 (perform_tree_ssa_dce): Return TODO flags when needed.
17399 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
17401 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
17403 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
17404 (fyl2x_extend<mode>xf3_i387): New insn pattern.
17405 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
17406 patterns using X87MODEF12 mode macro. Extend operand 1
17407 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
17408 (log10<mode>2): Ditto.
17409 (log2<mode>2): Ditto.
17410 (log1p<mode>2): Ditto.
17411 (logb<mode>2): Ditto.
17412 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
17413 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
17414 (*fxtractxf3_i387): Rename from *fxtractxf3.
17415 (fxtract_extend<mode>xf3_i387): New insn pattern.
17416 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
17417 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
17418 and gen_fyl2xxf3_i387().
17420 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
17422 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
17423 * cfgloopmanip.c (fix_loop_placement): Made static. Use
17424 get_loop_exit_edges. Changed return type to bool.
17425 * cfgloop.h (fix_loop_placement): Declaration removed.
17427 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
17429 * param.h (MIN_VECT_LOOP_BOUND): New.
17430 * params.def (MIN_VECT_LOOP_BOUND): New.
17431 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
17432 argument - minimum threshold for number of iterations.
17433 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
17434 argument to declaration.
17435 * tree-vect-analyze.c (vect_analyze_operations): Check value of
17436 MIN_VECT_LOOP_BOUND.
17437 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
17438 slpeel_tree_peel_loop_to_edge with additional argument.
17439 (vect_do_peeling_for_alignment): Likewise.
17440 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
17442 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
17445 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
17446 operands of size 1.
17448 2007-01-14 Jan Hubicka <jh@suse.cz>
17450 * tree-dfa.c (remove_referenced_var): New function.
17451 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
17452 prune referenced vars list too.
17453 * tree-flow.h (remove_referenced_var): Declare.
17455 2007-01-14 Jan Hubicka <jh@suse.cz>
17457 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
17459 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
17460 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
17461 * except.h (verify_eh_throw_table_statements): Kill prototype.
17462 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
17463 into call exrepssions.
17464 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
17466 * tree-cfg.c: Include pointer-set.h.
17467 (verify_node_sharing): Work on pointer set.
17468 (verify_eh_throw_stmt_node): New.
17469 (verify_stmts): Use pointers sets, verify throw_stmt.
17471 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
17473 * ipa-reference.c (analyze_function): Consider also addresses taken
17476 2007-01-12 Roger Sayle <roger@eyesopen.com>
17478 * c-typeck.c (null_pointer_constant_p): Replace use of
17479 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17480 (build_c_cast): Likewise.
17482 2007-01-12 Roger Sayle <roger@eyesopen.com>
17484 * tree.h (force_fit_type_double): Remove unused final argument.
17485 * c-common.c (constant_expression_warning): Replace use of
17486 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17487 (convert_and_check): Likewise.
17488 (shorten_compare): Update call to force_fit_type_double.
17489 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
17490 * convert.c (convert_to_pointer): Update call to
17491 force_fit_type_double.
17492 * fold-const.c (force_fit_type_double): Remove overflowed_const
17494 (int_const_binop, fold_convert_const_int_from_int,
17495 fold_convert_const_int_from_real, fold_div_compare,
17496 fold_sign_changed_comparison, fold_unary, fold_negate_const,
17497 fold_abs_const, fold_not_const): Remove the final argument from
17498 calls to force_fit_type_double.
17500 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
17502 * configure.ac: Set insn to "nop" for spu-*-* also.
17503 * configure: Regenerate.
17505 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
17507 * builtins.def : Add BUILT_IN_FREE.
17509 2007-01-12 Jan Hubicka <jh@suse.cz>
17511 PR tree-optimization/30443
17512 * tree-inline.c (tree_function_versioning): Do not optimize when
17513 cloning for inlining.
17515 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
17517 * doc/loop.texi: Document recording of loop exits.
17518 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
17519 (update_single_exits_after_duplication,
17520 update_single_exit_for_duplicated_loop,
17521 update_single_exit_for_duplicated_loops): Removed.
17522 (duplicate_loop_to_header_edge): Do not call
17523 update_single_exits_after_duplication and
17524 update_single_exit_for_duplicated_loops.
17525 (loop_version): Do not update single_exit information.
17526 (fix_loop_structure): Use record_loop_exits instead of
17527 mark_single_exit_loops.
17528 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
17529 the lists of loop exits.
17530 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
17531 split_edge, merge_blocks): Update the lists of loop exits.
17532 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
17533 loop_optimizer_init.
17534 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
17535 of mark_single_exit_loops.
17536 (loop_optimizer_finalize): Call release_recorded_exits.
17537 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
17538 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
17539 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
17540 update single exit information.
17541 * lambda-code.c (perfect_nestify): Ditto.
17542 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
17543 (mark_single_exit_loops): Removed.
17544 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
17545 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
17546 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
17548 (get_loop_exit_edges, single_exit): Use recorded exit lists.
17549 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
17550 (verify_loop_structure): Verify consistency of the exit lists.
17551 (flow_loops_find): Use alloc_loop. Initialize exits hash.
17552 (set_single_exit): Removed.
17553 * cfgloop.h (struct loop_exit): New function.
17554 (struct loop): single_exit_ field replaced by exits field.
17555 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
17556 LOOPS_HAVE_RECORDED_EXITS.
17557 (struct loops): Added exits hash.
17558 (mark_single_exit_loops, set_single_exit): Declaration removed.
17559 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
17561 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17563 * doc/invoke.texi: Avoid use of @headitem.
17565 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17567 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
17569 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17571 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
17574 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17575 Richard Sandiford <richard@codesourcery.com>
17577 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
17578 * config/m68k/m68k.opt: Resort options.
17579 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
17581 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17582 Richard Sandiford <richard@codesourcery.com>
17584 * doc/invoke.texi: Document the macros that are defined by
17585 m68k's -mtune and -mhard-float options.
17586 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
17587 (m68k_cpp_cpu_family): Likewise.
17588 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
17589 of __ucfv*__ macros. Define __mcffpu__ if generating code for
17590 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
17591 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
17592 (m68k_cpp_cpu_family): Likewise.
17594 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17596 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
17597 macros besides mc68000 as tuning macros. Use a switch statement
17598 to set them and mcpu32.
17600 2007-01-12 Julian Brown <julian@codesourcery.com>
17602 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
17603 (TARGET_68040_ONLY): Rename to...
17604 (TARGET_68040): ...this.
17605 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
17606 * config/m68k/m68k.md: Likewise.
17608 2007-01-12 Julian Brown <julian@codesourcery.com>
17609 Nathan Sidwell <nathan@codesourcery.com>
17610 Richard Sandiford <richard@codesourcery.com>
17612 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
17613 the -mcpu= argument associated with the --with-cpu setting.
17614 Define M68K_DEFAULT_TUNE to the default -mtune= option,
17615 if different from the one implied by the -mcpu setting.
17616 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
17617 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
17618 * doc/invoke.texi: Mention ColdFire in the introduction to the
17619 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
17620 -mno-div and -mhard-float options. Make -m68881 a synonym for
17621 -mhard-float. Document the previously-undocumented -m5206e,
17622 -m528x, -m5307 and -m5407 options. Tweak the existing option
17623 documentation for consistency.
17624 * doc/install.texi: Mention new --with-cpu arguments.
17625 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
17626 default CPU if neither -mcpu nor -march are specified.
17627 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
17628 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
17629 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
17630 using m68k_tune to decide between families that implement the
17631 same ISA. Use m68k_tune to set __mcfv4e__.
17632 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
17633 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
17634 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
17635 (FL_ISA_C, FL_ISA_MMU): New macros.
17636 (MASK_COLDFIRE): Delete.
17637 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
17638 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
17639 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
17640 (TARGET_HARD_FLOAT): Do not define here.
17641 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
17642 (TUNE_68000): New macro.
17643 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
17644 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
17645 (TUNE_CFV2): Redefine in terms of m68k_tune.
17646 (uarch_type, target_device, fpu_type): New enums.
17647 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
17648 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
17649 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
17650 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
17651 (FL_FOR_isa_c): New macros.
17652 (m68k_isa): New enum.
17653 (m68k_target_selection): New structure.
17654 (all_devices, all_isas, all_microarchs): New tables.
17655 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
17656 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
17657 (MASK_ALL_CPU_BITS): Delete.
17658 (m68k_find_selection): New function.
17659 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
17660 Map the legacy target options to a combination of the new ones.
17661 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
17662 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
17663 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
17665 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
17666 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
17668 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
17669 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
17670 * config/m68k/m68k-devices.def: New file.
17672 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17673 Nathan Sidwell <nathan@codesourcery.com>
17675 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
17676 (SUBTARGET_EXTRA_SPECS): New macros.
17677 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
17678 use %(asm_cpu_spec) instead.
17679 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
17680 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
17681 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
17682 (EXTRA_SPECS): Rename to...
17683 (SUBTARGET_EXTRA_SPECS): ...this.
17685 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
17686 Richard Sandiford <richard@codesourcery.com>
17687 Julian Brown <julian@codesourcery.com>
17689 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17690 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
17691 to the configuration's default CPU.
17692 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
17693 Remove default masks.
17694 (m680[012]0-*-*): Set the default with_cpu to the first part of
17696 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
17697 (m68k*-*-linux): Extend the --with-cpu handling to...
17698 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
17699 and m68010. Don't set target_cpu_default2.
17700 * doc/install.texi: Document --with-cpu for m68k.
17701 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
17702 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
17703 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
17704 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
17705 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
17706 (ASM_SPEC): Remove use of %(asm_cpu_default).
17707 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
17708 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
17709 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
17710 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
17711 __HAVE_FPU__ if TARGET_HARD_FLOAT.
17712 (TARGET_DEFAULT): Delete.
17713 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
17714 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
17715 (CPP_CPU_SPEC): Delete.
17716 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
17717 the appropriate string.
17718 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
17719 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
17720 (ASM_SPEC): Don't use %(asm_default_spec).
17721 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
17722 TARGET_DEFAULT and add MASK_68881.
17723 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
17725 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17727 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
17728 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
17729 MASK_68010 alongside MASK_68020.
17730 * doc/invoke.texi: Document -m68010.
17731 * config/m68k/m68k.opt (m68010): New.
17732 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
17734 (TUNE_68010): New macro.
17735 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
17736 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
17737 (M68K_CPU_m68332): Add MASK_68010.
17738 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
17739 fallback definition.
17740 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
17742 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
17743 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
17744 to all entries that use MASK_68020.
17745 (output_move_simode_const, output_move_himode, output_move_qimode)
17746 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
17747 instead of TARGET_68020 to select clr behavior. Remove comment
17748 about there being no TARGET_68010.
17749 * config/m68k/m68k.md: Likewise throughout.
17751 2007-01-12 Julian Brown <julian@codesourcery.com>
17753 * config/m68k/m68k.h (TARGET_ISAB): New macro.
17754 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
17755 * config/m68k/m68k.md: Likewise.
17757 2007-01-12 Julian Brown <julian@codesourcery.com>
17759 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
17760 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
17762 2007-01-12 Julian Brown <julian@codesourcery.com>
17764 * config/m68k/m68k.h (TUNE_68040_60): New macro.
17765 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
17766 * config/m68k/m68k.md: Likewise.
17768 2007-01-12 Julian Brown <julian@codesourcery.com>
17769 Richard Sandiford <richard@codesourcery.com>
17771 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
17772 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
17773 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
17775 (TARGET_CPU32): Rename to...
17776 (TUNE_CPU32): ...this.
17777 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
17778 (TUNE_CFV2): New macros.
17779 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
17780 remove conditions that are implied by TARGET_68020.
17781 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
17782 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
17783 (m68k_output_function_epilogue): Likewise.
17784 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
17785 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
17786 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
17787 non-68000 timings. Refactor multiplication and division costs.
17788 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
17789 TUNE_CPU32 instead of TARGET_CPU32.
17790 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
17791 and TUNE_68060 instead of TARGET_68060.
17792 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
17793 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
17795 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
17796 && !TARGET_COLDFIRE" to choose between moveq and clr.
17797 Likewise in the unnamed movsf pattern.
17798 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
17799 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
17802 2007-01-12 Richard Sandiford <richard@codesourcery.com>
17804 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
17805 of tabbing before backslashes.
17807 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17809 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
17810 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
17811 (ASM_OUTPUT_INTERNAL_LABEL): Define.
17813 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17815 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
17816 find_interesting_uses_cond.
17817 (find_interesting_uses_cond): Use extract_cond_operands.
17818 (rewrite_use_compare): Use extract_cond_operands and
17819 force_gimple_operand_bsi. Do not call update_stmt.
17820 (determine_use_iv_cost_condition): Use extract_cond_operands.
17821 Return cheaper of using original bound and changing the exit bound.
17823 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
17825 PR tree-optimization/29516
17826 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
17827 most_expensive_mult_to_index, addr_to_parts,
17828 create_mem_ref, maybe_fold_tmr): Make the type of
17829 fields of TARGET_MEM_REF sizetype.
17830 (move_fixed_address_to_symbol, move_pointer_to_base):
17832 * tree.def (TARGET_MEM_REF): Add comment on types of
17835 2007-01-11 Joseph Myers <joseph@codesourcery.com>
17837 * c-common.c (vector_types_convertible_p): Treat opaque types as
17838 always convertible if they have the same size, but not otherwise.
17840 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
17842 * ifcvt.c (struct noce_if_info): Add comments to the fields.
17843 Remove the b_unconditional field.
17844 (noce_try_sign_mask): Do not look at b_unconditional.
17845 (noce_process_if_block): Do not use merge_if_blocks. Update
17846 the CFG here. Do not set b_unconditional.
17847 (cond_move_process_if_block): Likewise.
17848 (find_cond_trap): Likewise.
17849 (check_cond_move_block): Require simple jump insns at the end
17850 of the basic block.
17852 2007-01-11 Jan Hubicka <jh@suse.cz>
17854 PR tree-optimization/1046
17855 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
17856 when alias info is not ready.
17857 (pass_tail_recursion): Do not require aliasing.
17858 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
17859 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
17860 * tree-ssa-copy.c (pass_copy_prop): Likewise.
17861 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
17862 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
17863 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
17864 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
17866 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
17867 When aliasing is not build, mark statement as volatile.
17869 2007-01-11 Tom Tromey <tromey@redhat.com>
17871 PR preprocessor/15185, PR preprocessor/20989:
17872 * doc/cppopts.texi <-MT>: Update description of algorithm for
17873 computing default target.
17874 <-M, -MD>: Reword "basename" text.
17876 2007-01-11 Roger Sayle <roger@eyesopen.com>
17878 * builtins.c (expand_builtin_pow, expand_builtin_powi,
17879 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
17880 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
17881 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
17882 fold_builtin_bswap, real_constp, fold_builtin_pow,
17883 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
17884 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
17885 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
17886 * convert.c (convert_to_pointer): Likewise.
17887 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
17888 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
17889 const_binop, fold_convert_const_int_from_int,
17890 fold_convert_const_int_from_real,
17891 fold_convert_const_real_from_real, sign_bit_p,
17892 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
17893 fold_sign_changed_comparison, fold_unary, fold_comparison,
17894 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
17895 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
17896 * print-tree.c (print_node_brief, print_node): Likewise.
17897 * stor-layout.c (place_field, layout_type): Likewise.
17898 * tree-chrec.c (keep_cast): Likewise.
17899 * tree.c (build_vector, build_real, build_real_from_int_cst,
17900 build_complex): Likewise.
17902 2007-01-11 Roger Sayle <roger@eyesopen.com>
17904 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
17905 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
17907 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
17909 * configure.ac (strict1_warn): Rename to strict_warn.
17910 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
17911 cc_set_by_configure, quoted_cc_set_by_configure,
17912 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
17913 all_boot_languages, all_stagestuff): Remove.
17914 (target_list): Remove bootstrap targets.
17915 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
17916 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
17917 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
17918 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
17919 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
17920 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
17921 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
17922 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
17923 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
17924 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
17925 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
17926 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
17927 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
17928 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
17929 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
17930 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
17931 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
17932 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
17933 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
17934 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
17935 (mostlyclean): Adjust.
17936 (clean, distclean): Don't mention bootstrap stuff.
17937 * configure: Regenerate.
17938 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
17939 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
17940 treelang/config-lang.in (stagestuff): Remove.
17941 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
17942 stageprofile, stagefeedback, stagestuff): Remove mention.
17944 2007-01-11 Nick Clifton <nickc@redhat.com>
17946 * config/mcore/predicates.md (mcore_general_movesrc_operand):
17948 (mcore_general_movdst_operand): Do not accept CONST_INTs.
17949 (mcore_arith_K_S_operand): Run the test for the S constraint not
17950 the test for the M constraint.
17951 (mcore_addsub_operand): Do not accept integer values that are
17952 larger than 32 bits.
17953 * config/mcore/mcore.md: Remove unused constraints from split.
17954 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
17955 (addsi3): Likewise.
17956 (allocate_stack): Likewise.
17957 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
17958 operands to 32 bits.
17959 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
17961 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
17962 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
17963 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
17964 mcore_output_bclri, mcore_output_andn, output_inline_const,
17965 mcore_output_move, mcore_output_movedouble): Likewise.
17966 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
17967 (output_inline_const): Likewise.
17968 (output_inline_const): Fix format strings used in sprintf
17970 * config/mcore/mcore-protos.h: Update prototypes for changed
17971 functions in mcore.c.
17972 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
17973 HOST_WIDE_INT and not int.
17974 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
17975 CONST_OK_FOR_N): Likewise.
17976 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
17977 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
17980 2007-01-10 Jan Hubicka <jh@suse.cz>
17982 * tree-vrp.c (remove_range_assertions): Release defs.
17983 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
17984 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
17986 2007-01-10 Paul Brook <paul@codesourcery.com>
17988 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
17989 * config/arm/arm.md (mulsi3subsi): New insn.
17991 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
17993 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
17994 (tree_transform_and_unroll_loop): New.
17995 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
17998 2007-01-10 Robert Kennedy <jimbob@google.com>
18000 * fold-const.c (fold_comparison): Fold comparisons like (x *
18001 1000 < 0) to (x < 0).
18003 2007-01-10 Ian Lance Taylor <iant@google.com>
18005 * tree-pretty-print.c (dump_generic_node): Print parentheses when
18006 operands have the same priority.
18008 2007-01-10 Tom Tromey <tromey@redhat.com>
18010 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
18011 (fold_binary): Likewise.
18012 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
18013 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
18014 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
18015 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
18016 * langhooks.h (struct lang_hooks): Removed field
18017 'can_use_bit_fields_p'.
18019 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
18021 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
18023 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
18025 * function.c (get_last_funcdef_no): New function.
18026 * function.h (get_last_funcdef_no): Declare.
18027 * tree-inline.c (initialize_cfun): Add initialization.
18028 (tree_function_versioning): Cleanup.
18030 2007-01-10 Jan Hubicka <jh@suse.cz>
18032 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
18035 2007-01-10 Sa Liu <saliu@de.ibm.com>
18036 Ben Elliston <bje@au.ibm.com>
18038 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
18039 for SAVE_NONLOCAL and Pmode for any other save level.
18040 * spu-protos.h (spu_restore_stack_block): Declare.
18041 * spu.md (save_stack_block): Remove.
18042 (restore_stack_block): Call spu_restore_stack_block.
18043 * spu.c (spu_restore_stack_block): New function.
18044 (spu_expand_epilogue): Remove old comment.
18046 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
18048 PR tree-optimization/30322
18049 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
18050 (cand_value_at): Return the value as aff_tree.
18051 (may_eliminate_iv): Convert the bound from aff_tree to tree.
18052 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
18053 aff_combination_mult): New functions.
18054 (aff_combination_add): Use aff_combination_add_cst.
18055 (aff_combination_convert): Allow conversions to a wider type.
18056 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
18057 * tree-affine.h (aff_combination_mult): Declare.
18059 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
18061 * doc/tm.texi: Update documentation to reflect reality of exec
18062 and start file search behaviours. Update copyright year.
18063 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
18064 header file directories.
18066 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
18068 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
18069 (*cosxf2): Rename to cosxf2_i387.
18070 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
18071 using X87MODEF12 mode macro. Rename patterns to
18072 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
18074 (*cosdf2, *cossf2): Ditto.
18075 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
18076 to match extended input operands.
18077 (sincos<mode>3): New expander.
18078 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
18079 insn patterns and corresponding splitters.
18081 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
18083 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
18084 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
18086 2007-01-09 Nicolas Pitre <nico@cam.org>
18089 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
18091 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18093 * target.h (struct gcc_target): New field library_rtti_comdat.
18094 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
18095 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
18096 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
18097 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
18099 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18101 * doc/invoke.texi (Optimize Options): Correct description of -O0.
18103 2007-01-08 Richard Guenther <rguenther@suse.de>
18105 * tree.h (force_fit_type_double): Export.
18106 (force_fit_type): Remove.
18107 * fold-const.c (force_fit_type_double): New function.
18108 (force_fit_type): Remove.
18109 (int_const_binop): Use it.
18110 (fold_convert_const_int_from_int): Likewise.
18111 (fold_convert_const_int_from_real): Likewise.
18112 (fold_div_compare): Likewise.
18113 (fold_sign_changed_comparison): Likewise.
18114 (fold_unary): Likewise.
18115 (fold_negate_const): Likewise.
18116 (fold_abs_const): Likewise.
18117 (fold_not_const): Likewise.
18118 * c-common.c (shorten_compare): Use force_fit_type_double.
18119 * convert.c (convert_to_pointer): Likewise.
18121 2007-01-08 Richard Guenther <rguenther@suse.de>
18123 * tree.h (build_int_cst_wide_type): Export.
18124 * tree.c (build_int_cst_wide_type): New function.
18125 (build_int_cst_wide): Fix comment.
18126 * builtins.c (fold_builtin_object_size): Use build_int_cst
18127 to build -1 or 0 of the correct type. Use fit_double_type
18128 to check for overflow.
18129 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
18131 (decode_field_reference): Likewise.
18132 (all_ones_mask_p): Likewise.
18133 (native_interpret_int): Use build_int_cst_wide_type.
18134 (fold_binary): Use build_int_cst_type to build an all-ones
18136 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
18138 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
18140 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
18142 2007-01-09 Ben Elliston <bje@au.ibm.com>
18144 * genautomata.c (STATS_OPTION): New option.
18145 (stats_flag): New flag.
18146 (gen_automata_option): Handle it.
18147 (initiate_automaton_gen): Ditto.
18148 (write_automata): Output statistics only if stats_flag is
18149 set. Likewise, output time statistics only if time_flag is set.
18150 * doc/md.texi (Processor pipeline description): Document new flag.
18152 2007-01-08 Richard Guenther <rguenther@suse.de>
18154 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
18155 * tree.c (build_int_cst_type): Likewise.
18156 (size_in_bytes): Don't call force_fit_type on the result.
18157 (int_fits_type_p): Use fit_double_type.
18158 * fold-const.c (fit_double_type): New function.
18159 (force_fit_type): Use it.
18160 * tree.h (fit_double_type): Export.
18162 2007-01-08 Jan Hubicka <jh@suse.cz>
18164 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
18165 * ipa.c (function_and_variable_visibility): Fix return type.
18167 2007-01-08 Richard Guenther <rguenther@suse.de>
18169 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
18170 of offset to build the index.
18171 * tree-pretty-print.c (dump_generic_node): Don't build negated
18172 const just for printing.
18173 * c-pretty-print.c (pp_c_integer_constant): Likewise.
18174 * builtins.c (fold_builtin_int_roundingfn): Check if result
18175 fits the type by using force_fit_type and comparing the result.
18176 * predict.c (predict_loops): Use compare_tree_int for comparison.
18177 * tree.c (build_int_cst): Fall back to integer_type_node for
18179 (build_int_cst_wide): Assert type is non-null.
18181 2007-01-08 Roberto Costa <roberto.costa@st.com>
18183 * tree-vrp.c (extract_range_from_cond_expr): New.
18184 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
18185 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
18187 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
18188 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
18189 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
18190 used as expressions.
18191 * tree-object-size.c (cond_expr_object_size): New.
18192 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
18194 2007-01-08 Jan Hubicka <jh@suse.cz>
18196 * tree-ssa-forwprop.c (forward_propagate_into_cond,
18197 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
18200 2007-01-08 Richard Guenther <rguenther@suse.de>
18202 PR tree-optimization/23603
18203 * tree-vrp.c (set_value_range_to_truthvalue): New function.
18204 (extract_range_from_binary): Fall back to truthvalue instead of
18205 varying for TRUTH_*_EXPR.
18206 (extract_range_from_comparison): Fall back to truthvalue instead of
18208 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
18209 if all visited PHI values were constant.
18211 2007-01-08 Jan Hubicka <jh@suse.cz>
18213 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
18214 (cgraph_analyze_function): break out from ...
18215 (cgraph_finalize_compilation_unit): ... here.
18216 (cgraph_expand_function): Remove forgoten commented out line.
18217 (cgraph_optimize): Analyze functions.
18219 2007-01-08 Jan Hubicka <jh@suse.cz>
18221 * tree-pas.h (TODO_remove_function): New flag.
18222 (TODO_update*): Renumber.
18223 (pass_ipa_increase_alignment,
18224 pass_ipa_function_and_variable_visibility): New passes.
18225 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
18226 (cgraph_function_and_variable_visibility): Move to ipa.c
18227 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
18228 cgraph_increase_alignment.
18229 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
18230 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
18231 calling tree-inline.
18232 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
18233 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
18234 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
18235 (gate_increase_alignment): New function.
18236 (pass_ipa_increase_alignment): New pass.
18237 * ipa.c: Inline tree-pass.h and timevar.h
18238 (function_and_variable_visibility): Move here from cgraphunit.c
18239 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
18240 * passes.c (init_optimization_passes): Add the two new passes.
18241 (execute_todo): Handle cgraph_remove_functions.
18243 2007-01-08 Nick Clifton <nickc@redhat.com>
18245 * config/frv/predicates.md (reg_or_0_operand): Accept
18248 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
18250 * config/bfin/rtems.h, config/bfin/t-rtems: New.
18251 * config.gcc: Add bfin*-rtems*.
18253 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
18255 * c.opt: Add -flax-vector-conversions.
18256 * c-typeck.c (convert_for_assignment): Pass flag to
18257 vector_types_convertible_p to allow emission of note.
18258 (digest_init): Likewise.
18259 * c-opts.c: Handle -flax-vector-conversions.
18260 * c-common.c (flag_lax_vector_conversions): New.
18261 (vector_types_convertible_p): Unless -flax-vector conversions
18262 has been passed, disallow conversions between vectors with
18263 differing numbers of subparts and/or element types. If such
18264 a conversion is disallowed, possibly emit a note on the first
18265 occasion only to inform the user of -flax-vector-conversions.
18266 The new last argument specifies this.
18267 * c-common.h (flag_lax_vector_conversions): New.
18268 (vector_types_convertible_p): Add extra argument.
18269 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
18270 char_type_node for V*QI type vectors.
18271 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
18272 Update to satisfy new typechecking rules.
18273 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
18274 C and C++ variants.
18275 * doc/invoke.texi (C Dialect Options): Document
18276 -flax-vector-conversions.
18278 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
18280 PR tree-optimization/29877
18281 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
18282 a register variable on the RHS to not be replaceable.
18284 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
18285 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
18286 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
18287 const_simm15, const_pow2, const_npow2): Added.
18288 * config/score/misc.md (insv, extv, extzv, movmemsi,
18289 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
18290 * config/score/score.c (score_address_cost, score_select_cc_mode):
18292 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
18293 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
18294 Update score_print_operand.
18295 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
18296 Adjust register allocate order and update some macro define.
18297 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
18298 mdx_block_move_straight, mdx_block_move_loop_head,
18299 mdx_block_move_loop_body, mdx_block_move_loop_foot,
18300 mdx_block_move_loop, mdx_block_move): Added.
18301 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
18302 mdp_limm): Updated and fix some bug and typo.
18303 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
18304 (movsf, movdf, doloop_end): Added.
18306 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
18308 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
18309 config/arm/thumb2.md: Fix comment typos.
18310 * doc/extend.texi: Fix a typo.
18312 2007-01-07 Eric Christopher <echristo@apple.com>
18314 * configure.ac: Check for __stack_chk_fail for darwin.
18315 * configure: Regenerate.
18317 2007-01-07 Richard Guenther <rguenther@suse.de>
18319 * tree-vrp.c (extract_range_from_assert): CSE calls to
18320 compare_values where possible.
18321 (extract_range_from_unary_expr): Likewise.
18323 2007-01-07 Anatoly Sokolov <aesok@post.ru>
18325 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
18326 * config/avr/avr.c (call_insn_operand): Delete function.
18327 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
18328 instead of register number. Use predicates.
18329 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
18330 call_insn_operand): Add.
18332 2007-01-06 Jan Hubicka <jh@suse.cz>
18334 * tree-pass.h (pass_build_cgraph_edges): Declare.
18335 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
18336 (visited_nodes): Remove.
18337 (cgraph_create_edges): Move to cgraphbuild.c; rename to
18338 build_cgrpah_edges; make visited_nodes local.
18339 (cgraph_process_new_functions): DO not call initialize_inline_failed.
18340 (record_references_in_initializer): Move to cgraphbuild.c
18341 (initialize_inline_failed, rebuild_cgraph_edges,
18342 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
18343 (verify_cgraph_node): Make visited_nodes local.
18344 (cgraph_analyze_function): Do not call cgraph_create_edges and
18345 initialize_inline_failed.
18346 (cgraph_expand_function): Do not call cgraph_lower_function;
18347 assert that function is already lowered.
18348 * Makefile.in (cgraphbuild.o): New.
18349 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
18350 at the end of lowering passes.
18352 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
18354 * ifcvt.c (cond_move_convert_if_block): New function, code
18355 factored out from...
18356 (cond_move_process_if_block): ...here. Call the new function
18357 on the THEN and ELSE blocks.
18358 (merge_if_block): Do not copy global_live_at_end, merge_blocks
18359 already takes care of this.
18361 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18364 * tree.h (TREE_OVERFLOW_P): New.
18365 * c-typeck.c (parser_build_unary_op): Warn only if result
18366 overflowed and operands did not.
18367 (parser_build_binary_op): Likewise.
18368 (convert_for_assignment): Remove redundant overflow_warning.
18369 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
18371 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18373 * c-typeck.c (store_init_value): Split over two lines to follow
18374 the GNU coding style.
18376 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
18378 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
18379 __GXX_EXPERIMENTAL_CXX0X__.
18380 * doc/cpp.texi: Same.
18382 2007-01-05 Richard Guenther <rguenther@suse.de>
18384 PR middle-end/27826
18385 * tree.c (get_narrower): Do not construct COMPONENT_REFs
18386 with mismatched types. Instead explicitly build a
18387 conversion NOP_EXPR.
18389 2007-01-05 Ian Lance Taylor <iant@google.com>
18391 * c-common.c (decl_with_nonnull_addr_p): New function.
18392 (c_common_truthvalue_conversion): Call it.
18393 * c-typeck.c (build_binary_op): Likewise.
18394 * c-common.h (decl_with_nonnull_addr_p): Declare.
18396 2007-01-05 Jakub Jelinek <jakub@redhat.com>
18399 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
18402 2007-01-05 Joel Brobecker <brobecker@adacore.com>
18404 * doc/install.texi (Final install): Document the fact that
18405 the GNAT runtime should not be stripped.
18407 2007-01-04 Jan Hubicka <jh@suse.cz>
18409 * tree-inline.c (fold_marked_statements): Update operand caches
18410 and EH after folding
18412 2007-01-04 Ian Lance Taylor <iant@google.com>
18414 * c-common.c (check_function_nonnull): Whitespace fix.
18416 2007-01-04 Jan Hubicka <jh@suse.cz>
18418 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
18419 comitted older version of patch.
18420 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
18421 function, celanup cfg and collect garbage.
18423 2007-01-04 Mike Stump <mrs@apple.com>
18425 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
18428 2007-01-04 Eric Christopher <echristo@apple.com>
18430 * libgcc2.c (__bswapsi2): Use SItype.
18431 (__bswapdi2): Use DItype.
18432 * libgcc2.h: Update for above.
18434 2007-01-04 Paul Brook <paul@codesourcery.com>
18436 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
18437 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
18438 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
18439 umulsidi3, umulsidi3adddi, smulsi3_highpart,
18440 umulsi3_highpart): Make conditional on !arm_arch6.
18441 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
18442 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
18443 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
18444 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
18445 umulsi3_highpart_v6): New insns.
18447 2007-01-04 Roger Sayle <roger@eyesopen.com>
18449 * fold-const.c (fold_convert): When casting an expression to void,
18450 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
18451 have a type. Instead of attempting to build a NOP_EXPR, return
18452 these "special" trees directly.
18454 2007-01-04 Joseph Myers <joseph@codesourcery.com>
18456 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
18457 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
18458 rs6000_cost->fp not 0 as adjustment for outer NEG.
18460 2007-01-04 Jan Hubicka <jh@suse.cz>
18462 * cgraph.c (cgraph_release_function_body): New function.
18463 (cgraph_remove_node): Use it.
18464 * cgraph.h (cgraph_release_function_body): Declare.
18465 * cgraphunit.c (cgraph_expand_function): Use it.
18466 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
18467 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
18468 is initialized and while compilation of other function is running.
18469 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
18470 statement CFG annotations from here to ...
18471 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
18473 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
18475 * cfgloop.h (enum li_flags): Make the constants powers of two.
18477 2007-01-04 Jan Hubicka <jh@suse.cz>
18479 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
18481 (fold_marked_statements): New function.
18482 (optimize_inline_calls, tree_function_versioning): Fold new statements.
18483 * tree-inline.h (copy_body_data): Add statements_to_fold.
18485 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
18487 * config.gcc: Mention libgcc/config.host.
18488 * Makefile.in: Update comments mentioning libgcc.
18489 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
18490 (all.cross, start.encap, rest.encap, rest.cross): Update
18491 dependencies for libgcc move.
18492 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
18493 (clean-target, clean-target-libgcc): Delete.
18494 (srcdirify, GCC_EXTRA_PARTS): New macros.
18495 (libgcc-support, libgcc.mvars): New rules.
18496 (distclean): Remove mention of mklibgcc.
18497 (install): Don't reference INSTALL_LIBGCC.
18498 (install-common): Don't reference EXTRA_PARTS.
18499 (install-libgcc, install-multilib): Delete rules.
18500 * mklibgcc.in: Delete file.
18501 * doc/configfiles.texi: Don't mention mklibgcc.
18503 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
18504 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
18505 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
18506 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
18507 (mklibgcc, ldblspecs): Likewise.
18509 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
18510 (posixpre.def): Use $(T).
18511 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
18512 (SHLIB_SRC, SHLIB_INSTALL): Delete.
18513 (SHLIB_LINK): Make dummy.
18514 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
18516 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
18518 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
18519 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
18520 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
18521 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
18523 * configure.ac (all_outputs): Remove mklibgcc.
18524 * configure: Regenerated.
18526 2007-01-03 Josh Conner <jconner@apple.com>
18528 PR middle-end/29683
18529 * calls.c (compute_argument_addresses): Set stack and stack_slot
18530 for partial args, too.
18531 (store_one_arg): Use locate.size.constant for the size when
18532 generating a save_area.
18534 2007-01-03 Robert Kennedy <jimbob@google.com>
18536 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
18537 whose definitions are deleted due to basic block merging.
18539 2007-01-03 Paul Brook <paul@codesourcery.com>
18542 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
18544 (use_return_insn): Return 0 for Thumb interrupt functions.
18545 (print_multi_reg): Add rfe argument for IRQ returns.
18546 (arm_output_epilogue): Pop interrupt return address directly into PC.
18547 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
18549 2007-01-03 Paul Brook <paul@codesourcery.com>
18551 Merge from sourcerygxx-4_1.
18552 * config/arm/thumb2.md: New file.
18553 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
18555 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
18556 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18557 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
18558 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
18560 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
18561 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
18563 * config/arm/ieee754-sf.S: Ditto.
18564 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
18565 (thumb1_base_register_rtx_p): ... to this.
18566 (thumb_index_register_rtx_p): Rename...
18567 (thumb1_index_register_rtx_p): ... to this.
18568 (thumb_output_function_prologue): Rename...
18569 (thumb1_output_function_prologue): ... to this.
18570 (thumb_legitimate_address_p): Rename...
18571 (thumb1_legitimate_address_p): ... to this.
18572 (thumb_rtx_costs): Rename...
18573 (thumb1_rtx_costs): ... to this.
18574 (thumb_compute_save_reg_mask): Rename...
18575 (thumb1_compute_save_reg_mask): ... to this.
18576 (thumb_final_prescan_insn): Rename...
18577 (thumb1_final_prescan_insn): ... to this.
18578 (thumb_expand_epilogue): Rename...
18579 (thumb1_expand_epilogue): ... to this.
18580 (arm_unwind_emit_stm): Rename...
18581 (arm_unwind_emit_sequence): ... to this.
18582 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
18583 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
18584 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
18585 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
18586 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
18587 thumb2_output_casesi): New functions.
18588 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
18589 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
18590 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
18591 THUMB2_WORK_REGS): Define.
18592 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
18593 arm_condexec_mask, arm_condexec_masklen)): New variables.
18594 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
18595 (arm_override_options): Check new CPU capabilities.
18596 Set new architecture flag variables.
18597 (arm_isr_value): Handle v7m interrupt functions.
18598 (user_return_insn): Return 0 for v7m interrupt functions. Handle
18600 (const_ok_for_arm): Handle Thumb-2 constants.
18601 (arm_gen_constant): Ditto. Use movw when available.
18602 (arm_function_ok_for_sibcall): Return false for v7m interrupt
18604 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
18605 (thumb_find_work_register, arm_load_pic_register,
18606 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
18607 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
18608 print_multi_reg, output_mov_long_double_fpa_from_arm,
18609 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
18610 output_mov_double_fpa_from_arm, output_move_double,
18611 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
18612 output_return_instruction, arm_output_function_prologue,
18613 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
18614 arm_output_mi_thunk, thumb_set_return_address): Ditto.
18615 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
18616 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
18617 (arithmetic_instr, shift_op): Use arm_shift_nmem.
18618 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
18620 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
18621 (thumb_expand_prologue): Use thumb_set_frame_pointer.
18622 (arm_file_start): Output directive for unified syntax.
18623 (arm_unwind_emit_set): Handle stack alignment instruction.
18624 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
18625 Add v6t2, v7, v7a, v7r and v7m.
18626 (RETLDM): Add Thumb-2 code.
18627 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
18628 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
18629 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
18630 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
18631 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
18632 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
18633 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
18634 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
18635 ADJUST_INSN_LENGTH): Define.
18636 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
18637 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
18638 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
18639 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
18640 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
18641 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
18642 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
18643 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
18644 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
18645 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
18646 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
18647 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
18648 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
18649 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
18650 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
18651 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
18652 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
18654 * config/arm/arm-tune.md: Regenerate.
18655 * config/arm/arm-protos.h: Update prototypes.
18656 * config/arm/vfp.md: Enable patterns for Thumb-2.
18657 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
18658 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
18659 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
18660 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
18661 * config/arm/libunwind.S: Add Thumb-2 code.
18662 * config/arm/constraints.md: Update include Thumb-2.
18663 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
18664 * config/arm/ieee754-df.S: Ditto.
18665 * config/arm/bpabi.S: Ditto.
18666 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
18667 * config/arm/predicates.md (low_register_operand,
18668 low_reg_or_int_operand, thumb_16bit_operator): New.
18669 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
18670 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
18671 * config/arm/t-arm-elf: Add armv7 multilib.
18672 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
18674 (UNSPEC_STACK_ALIGN, ce_count): New.
18675 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
18676 arm_zero_extendsidi2, arm_zero_extendqidi2): New
18678 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
18679 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
18680 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
18681 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
18682 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
18683 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
18685 * doc/extend.texi: Document ARMv7-M interrupt functions.
18686 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
18688 2007-01-03 Jakub Jelinek <jakub@redhat.com>
18690 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
18691 (struct _Unwind_Context): Rename args_size to flags, remove
18692 signal_frame field, add a new args_size field and version field.
18693 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
18694 _Unwind_IsExtendedContext): New inline functions.
18695 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
18696 Assume by_value array is only present if _Unwind_IsExtendedContext.
18697 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
18698 _Unwind_IsSignalFrame.
18699 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
18700 (uw_update_context_1): Use _Unwind_SetSignalFrame.
18701 (uw_init_context_1): Initialize context->flags to
18702 EXTENDED_CONTEXT_BIT.
18703 * config/rs6000/linux-unwind.h (frob_update_context): Use
18704 _Unwind_SetSignalFrame.
18706 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
18708 PR middle-end/30353
18709 * gimplify.c (gimplify_modify_expr_complex_part): Move below
18710 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
18713 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
18715 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
18716 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
18717 RET, AT_SP): Remove.
18718 * config/i386/i386.md (*sse_prologue_save_insn): Use return
18721 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18722 * cfgbuild.c (find_basic_blocks): Likewise.
18723 * cfgrtl.c (rtl_create_basic_block): Likewise.
18724 * function.c (temp_slots_at_level): Likewise.
18725 * reg-stack.c (stack_regs_mentioned): Likewise.
18726 * regclass.c (allocate_reg_info): Likewise.
18727 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18728 set_bb_for_stmt, move_block_to_fn): Likewise.
18729 * tree-complex.c (tree_lower_complex): Likewise.
18730 * vec.h (VEC_safe_grow_cleared): New.
18732 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
18734 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
18736 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
18737 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
18739 * cfgloopmanip.c (scale_loop_frequencies): Export.
18740 (loopify): Scale the frequencies by prescribed coefficients.
18741 (set_zero_probability): New function.
18742 (duplicate_loop_to_header_edge): Improve updating of frequencies.
18743 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
18744 and frequencies according to arguments.
18745 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
18747 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
18748 * modulo-sched.c (sms_schedule): Set probabilities for entering
18749 versioned loop correctly.
18750 * tree-vect-transform.c (vect_transform_loop): Ditto.
18751 * cfgloop.h (loopify, loop_version): Declaration changed.
18752 (scale_loop_frequencies): Declared.
18754 2007-01-02 Jan Hubicka <jh@suse.cz>
18756 * cgraph.c: Include tree-flow.h
18757 (cgraph_add_new-function): Handle IPA_SSA mode; execute
18758 early_local_passes.
18759 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
18760 * tree-pass.h (pass_all_early_optimizations): Declare.
18761 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
18762 early_local_passes.
18763 (cgraph_analyze_function): Do early_local_passes.
18764 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18765 Do not add referenced vars.
18766 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
18768 (gate_all_early_local_passes): New gate.
18769 (pass_early_local_passes): Use new gate.
18770 (execute_early_local_optimizations): New functions.
18771 (gate_all_early_optimizations): New gate.
18772 (pass_all_early_optimizations): New pass.
18773 (execute_free_datastructures): Free SSA only when initialized.
18774 (gate_init_datastructures): Init only when optimizing.
18775 (tree_lowering_passes): Do early local passes when called late.
18776 * tree-profile.c (do_tree_profiling): Don't profile functions added
18778 (do_early_tree_profiling, pass_early_tree_profile): Kill.
18779 * tree-cfg.c (update_modified_stmts): Do not update when operands are
18781 * passes.c (init_optimizations_passes): Reorder so we go into SSA
18782 during early_local_passes.
18783 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
18786 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18788 * Makefile.in: Update copyright year.
18790 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
18792 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
18793 in $(lang_checks) and check-consistency targets.
18795 2007-01-02 Jan Hubicka <jh@suse.cz>
18797 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
18798 Do not add referenced vars.
18799 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
18801 * passes.c (init_optimization_passes): Put mudflap_2 after
18802 free_datastructures.
18804 2007-01-02 Jan Hubicka <jh@suse.cz>
18806 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
18807 Set NOTHROW flag on call statements proved to be nothrow.
18808 Update statement of local calls so new pure/const functions are
18809 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
18811 (tree_rest_of_compilation): Register hooks and initialize bitmap
18812 early. Do not set after_inlining flag.
18814 2007-01-02 Steve Ellcey <sje@cup.hp.com>
18816 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
18817 HOST_BITS_PER_LONGLONG
18819 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18822 * c-typeck.c (store_init_value): Don't emit pedantic overflow
18823 warning for non-static initializers.
18825 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
18827 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
18828 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
18829 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
18830 Always use set_unique_reg_note to add REG_EQUAL notes.
18832 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18835 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18837 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18838 * cfgbuild.c (find_basic_blocks): Likewise.
18839 * cfgrtl.c (rtl_create_basic_block): Likewise.
18840 * function.c (temp_slots_at_level): Likewise.
18841 * reg-stack.c (stack_regs_mentioned): Likewise.
18842 * regclass.c (allocate_reg_info): Likewise.
18843 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18844 set_bb_for_stmt, move_block_to_fn): Likewise.
18845 * tree-complex.c (tree_lower_complex): Likewise.
18846 * vec.h (VEC_safe_grow_cleared): New.
18848 2007-01-02 Ian Lance Taylor <iant@google.com>
18850 * c-common.c (c_common_truthvalue_conversion): When warning about
18851 using an assignment as a truth value, set TREE_NO_WARNING.
18853 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
18856 * c.opt (Wold-style-declaration): New.
18857 * doc/invoke.texi (C-only Warning Options): New.
18858 (Wold-style-declaration): Document it.
18859 (Wextra): Enabled by -Wextra.
18860 * c-opts.c (c_common_post_options): Enabled by -Wextra.
18861 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
18862 -Wold-style-declaration.
18864 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
18866 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
18867 * cfgbuild.c (find_basic_blocks): Likewise.
18868 * cfgrtl.c (rtl_create_basic_block): Likewise.
18869 * function.c (temp_slots_at_level): Likewise.
18870 * reg-stack.c (stack_regs_mentioned): Likewise.
18871 * regclass.c (allocate_reg_info): Likewise.
18872 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
18873 set_bb_for_stmt, move_block_to_fn): Likewise.
18874 * tree-complex.c (tree_lower_complex): Likewise.
18875 * vec.h (VEC_safe_grow_cleared): New.
18877 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
18879 * c-common.c (c_common_nodes_and_builtins): Since variants of
18880 void_type_node get built before it is given a name, we need to
18881 give those variants the name, too.
18882 (complete_array_type): We need to work with the canonical main
18883 type of the array, from which we will build the qualified version.
18884 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
18885 * print-tree.c (print_node): Display canonical type information
18887 * stor-layout.c (layout_type): When we don't know the
18888 alignment of a type for which we're building an array, we end up
18889 guessing wrong, so make the type require structural equality.
18890 * tree.c (make_node_stat): When we build a new type, it is its
18891 own canonical type.
18892 (build_type_attribute_qual_variant): When building an attribute
18893 variant, its canonical type is the non-attribute variant. However,
18894 if the attributes are target-dependent and they differ, we need to
18895 use structural equality checks for this type.
18896 (build_qualified_type): A qualified type is not equivalent to its
18897 unqualified variant; set the canonical type appropriately.
18898 (build_distinct_type_copy): When building a distinct type from
18899 another type, the new type is its own canonical type.
18900 (build_variant_type_copy): When building a new type variant, we
18901 assume that it is equivalent to the original type.
18902 (build_pointer_type_for_mode): When building a pointer type, also
18903 build a canonical type pointer.
18904 (build_reference_type_for_mode): When building a reference type,
18905 also build a canonical type reference.
18906 (build_index_type): When we can't hash an index type (e.g.,
18907 because its maximum value is negative), the index type requires
18908 structural equality tests.
18909 (build_array_type): Build the canonical form of an array type.
18910 (build_function_type): Function types require structural equality,
18911 because they contain default arguments, attributes, etc.
18912 (build_method_type_directly): Ditto for method types.
18913 (build_offset_type): Build the canonical offset type.
18914 (build_complex_type): Build the canonical vector type.
18915 (make_vector_type): Build the canonical vector type.
18916 * tree.h (TYPE_CANONICAL): New.
18917 (TYPE_STRUCTURAL_EQUALITY_P): New.
18918 (SET_TYPE_STRUCTURAL_EQUALITY): New.
18919 (struct tree_type): Added "canonical" field.
18920 * params.h (VERIFY_CANONICAL_TYPES): New.
18921 * doc/c-tree.texi (TYPE_CANONICAL): Document.
18922 (TYPE_STRUCTURAL_EQUALITY_P): Document.
18923 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
18924 * doc/invoke.texi (verify-canonical-types): Document --param
18925 parameter for verifying canonical types.
18927 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18929 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
18930 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
18931 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
18932 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
18934 * config/rs6000/e500.h: New.
18935 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
18936 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
18938 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
18939 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
18940 TARGET_E500_DOUBLE): Remove.
18941 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
18942 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
18943 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
18944 * config/rs6000/rs6000.c (rs6000_override_options): Use
18945 CHECK_E500_OPTIONS.
18947 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18949 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
18950 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
18951 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
18952 rs6000_emit_cmove): Don't check TARGET_E500.
18953 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
18954 sordered): Don't check TARGET_E500.
18956 2007-01-01 Eric Christopher <echristo@apple.com>
18958 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
18959 HARD_REGISTER_NUM_P.
18961 2007-01-01 Roger Sayle <roger@eyesopen.com>
18963 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
18964 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
18965 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
18968 2007-01-01 Mike Stump <mrs@apple.com>
18970 * configure.ac: Remove support for building with Apple's gcc-3.1.
18972 2007-01-02 Joseph Myers <joseph@codesourcery.com>
18974 PR middle-end/30311
18975 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
18976 REG is a hard register. Do not modify REG before calling
18978 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
18979 multiple of the size of YMODE for certain lowpart cases.
18981 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18983 PR middle-end/30253
18984 * gimplify (voidify_wrapper_expr): Update for
18985 GIMPLE_MODIFY_STMT.
18987 2007-01-01 Andreas Schwab <schwab@suse.de>
18990 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
18991 save of BR0 in extra_spill_size instead of spill_size.
18992 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
18994 (ia64_expand_epilogue): Restore BR0 from its new location.
18996 2007-01-01 Andrew Pinski <pinskia@gmail.com>
18998 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
18999 Use a temporary variable if the left hand side is not a gimple
19002 2007-01-01 Andrew Pinski <pinskia@gmail.com>
19004 * gimplify.c (gimplify_return_expr): Make the temporary variable
19005 for the return expression, a gimple register variable.
19007 2007-01-01 Jan Hubicka <jh@suse.cz>
19009 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
19012 2007-01-01 Mike Stump <mrs@apple.com>
19014 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
19016 * config/darwin.c (machopic_select_rtx_section): Use
19017 HAVE_GAS_LITERAL16.
19018 (darwin_mergeable_constant_section): Likewise.
19019 * configure: Regenerate.
19020 * config.in: Regenerate.
19022 2007-01-01 Jan Hubicka <jh@suse.cz>
19023 Andrew Pinski <pinskia@gmail.com>
19025 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
19026 before starting IPA passes.