1 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
3 Fix PR tree-optimization/31911
4 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
5 if they didn't change the expression.
7 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
9 * tree-scalar-evolution.c (resolve_mixers): Exported.
10 * tree-scalar-evolution.h (resolve_mixers): Declare.
11 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
12 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
13 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
14 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
15 init_array_ref, init_pointer_ref, analyze_indirect_ref,
16 strip_conversion, analyze_offset_expr, address_analysis,
17 object_analysis, analyze_offset): Removed.
18 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
19 split_constant_offset, canonicalize_base_object_address,
20 object_address_invariant_in_loop_p, disjoint_objects_p,
21 dr_may_alias_p, dr_address_invariant_p): New functions.
22 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
24 (initialize_data_dependence_relation): Use dr_may_alias_p
25 and object_address_invariant_in_loop_p.
26 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
28 (find_data_references_in_stmt): Restrict the analysis of data references
29 to the given loop nest.
30 (find_data_references_in_loop): Made static. Pass loop nest to
31 find_data_references_in_stmt.
32 (compute_data_dependences_for_loop): Use DR_VOPS.
33 (free_data_ref): Free DR_VOPS.
34 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
35 (struct innermost_loop_behavior): ... new.
36 (struct base_object_info): Replaced by ...
37 (struct indices): ... new.
38 (struct dr_alias): New.
39 (enum data_ref_type): Removed.
40 (struct data_reference): Consist of struct innermost_loop_behavior,
41 struct indices and struct dr_alias.
42 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
43 (DR_MEMTAG): Renamed to ...
44 (DR_SYMBOL_TAG): ... this.
45 (find_data_references_in_loop): Declaration removed.
46 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
47 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
48 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
49 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
51 2007-05-13 Revital Eres <eres@il.ibm.com>
53 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
54 which walks virtual def-use chains to find redundant stores.
55 (dse_optimize_stmt): Call it.
57 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
59 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
60 * passes.c (init_optimization_passes): Move pass_jump_bypass
63 * basic-block.h (bb_has_eh_pred): Fix style issue.
65 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
67 PR rtl-optimization/31848
68 * loop-invariant.c (move_invariant_reg): If we move an insn
69 with a REG_EQUAL note, and that insn is not always executed,
70 remove the REG_EQUAL note.
72 2007-05-12 Richard Guenther <rguenther@suse.de>
74 PR tree-optimization/31797
75 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
76 propagate into a stmt that has volatile ops.
78 2007-05-12 Richard Sandiford <richard@codesourcery.com>
80 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
81 (gcc_tooldir): Likewise.
82 * configure: Regenerate.
83 * Makefile.in (libsubdir_to_prefix): New variable, based on the
84 old configure.ac gcc_tooldir setting.
85 (prefix_to_exec_prefix): New variable.
86 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
87 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
89 2007-05-11 Silvius Rus <rus@google.com>
91 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
92 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
93 * c-common.h (strict_aliasing_warning): Change return type.
94 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
95 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
96 (build_c_cast): Condition call to strict_aliasing_warning.
97 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
98 * flags.h (set_Wstrict_aliasing): Declare.
99 * opts.c (set_Wstrict_alising): Define, add call to.
100 * tree-flow.h (strict_aliasing_warning_backend): Declare.
101 * tree-ssa-alias-warnings.c: New file.
102 * tree-ssa-alias.c (compute_may_aliases): Add call to
103 strict_aliasing_warning_backend.
105 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
107 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
108 Use loop_depth and loop_outer accessor functions.
109 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
110 determine_invariantness_stmt, move_computations_stmt): Ditto.
111 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
112 add_loop, loopify, unloop, fix_loop_structure): Ditto.
113 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
114 * tree-scalar-evolution.c (interpret_loop_phi,
115 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
116 instantiate_parameters_1, scev_const_prop): Ditto.
117 * cfghooks.c (make_forwarder_block): Ditto.
118 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
119 * modulo-sched.c (loop_canon_p): Ditto.
120 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
121 slpeel_can_duplicate_loop_p): Ditto.
122 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
123 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
124 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
125 cancel_loop, verify_loop_structure): Ditto.
126 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
127 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
128 superloops vector instead of "pred" array.
129 (establish_preds): Take father loop as an argument. Initialize the
131 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
132 initialize loop->outer.
133 (flow_loop_tree_node_remove): Truncate the superloops vector.
134 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
135 "pred" merged to "superloops" vector.
136 (loop_depth, loop_outer): New.
137 (fel_init): Use loop_outer.
139 2007-05-11 Jan Hubicka <jh@suse.cz>
141 * cgraphunit.c: Include gt-cgraphunit.h
142 (static_ctors, static_dtors): New static vars.
143 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
144 based on implementation in c-common.c
145 (cgraph_finalize_function): Call record_cdtor_fn.
146 (cgraph_optimize): Call cgraph_build_cdtor_fns.
147 * decl.c (finish_function): Do not call c_record_cdtor_fn.
148 (c_write_global_declarations): Do not call c_build_cdtor_fns.
149 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
150 build_cdtor, c_build_cdtor_fns): Remove.
151 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
152 c_build_cdtor_fns): Remove prototype.
154 2007-05-11 Paolo Carlini <pcarlini@suse.de>
157 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
158 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
159 * builtins.c (fold_builtin_memchr): New.
160 (expand_builtin_memchr): Call the latter.
161 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
162 * doc/extend.texi ([Other built-in functions provided by GCC]):
165 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
167 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
168 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
169 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
170 PFPO_OP1_TYPE_SHIFT): Constants added.
171 (DFP_ALL): Mode macro defined.
172 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
173 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
174 Insn definitions added.
175 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
176 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
179 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
181 PR tree-optimization/31885
182 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
184 (automatically_generated_chrec_p): Return false for NULL.
186 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
188 * config/bfin/bfin.h (MOVE_RATIO): Define.
190 2007-05-10 Richard Sandiford <richard@codesourcery.com>
192 * config.gcc (sparc-wrs-vxworks): New target.
193 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
194 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
195 * config/sparc/sparc.h: Include vxworks-dummy.h.
196 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
197 include LABEL_REFs too.
198 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
199 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
201 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
203 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
204 (sparc_emit_call_insn): New function.
205 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
206 functions when generating VxWorks PIC.
207 * config/sparc/sparc.md (vxworks_load_got): New pattern.
208 (call, call_value): Use sparc_emit_call_insn instead of
211 2007-05-09 Bob Wilson <bob.wilson@acm.org>
213 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
215 2007-05-09 Bob Wilson <bob.wilson@acm.org>
217 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
218 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
219 instead of operand_subword.
221 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
223 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
224 * config/bfin/bfin.c (bfin_local_alignment): New function.
225 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
227 2007-05-08 Chao-ying Fu <fu@mips.com>
229 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
230 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
231 (smsub_widen_optab, umsub_widen_optab): Define.
232 * optabs.c (init_optabs): Initialize smsub_widen_optab and
234 * genopinit.c (optabs): Fill in smsub_widen_optab and
236 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
237 and umsub_widen_optab to implement multiply-subtract sequences.
238 * config/mips/mips.md (*msac<u>_di): Rename to...
239 (<u>msubsidi4): ...this. Extend condition to include
240 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
241 of operand 0 to "ka" and use the three-operand form of msub<u>
243 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
246 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
248 PR rtl-optimization/28011
249 * reload.c (push_reload): Set dont_share if IN appears in OUT
250 also when IN is a PLUS rtx.
251 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
254 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
256 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
257 call unshare_all_decls.
258 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
259 (unshare_all_decls): Remove.
261 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
264 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
267 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
268 Nigel Stephens <nigel@mips.com>
270 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
271 Update comments and all uses.
272 (MIN_FPRS_PER_FMT): Define.
273 * config/mips/mips.c (function_arg): Fix to correctly handle
274 the -mips32r2 -mfp64 -mabi=32 case.
275 (override_options): Enable use of odd-numbered registers for
276 SFmode values on MIPS32.
277 (mips_save_reg_p): Save whole floating-point register pair if
279 (compute_frame_size): Fix comment.
281 2007-05-08 Jie Zhang <jie.zhang@analog.com>
283 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
284 argument of type bool.
285 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
286 argument. Safely select temporary P register according to it.
287 (do_link): Change call site of add_to_reg accordingly.
288 (do_unlink): Add epilogue_p as a fourth argument and pass it
290 (expand_interrupt_handler_epilogue): Change call of do_unlink
292 (bfin_expand_prologue): Add a third argument sibcall_p.
293 * config/bfin/bfin.md (epilogue): Change call of
294 bfin_expand_epilogue accordingly.
295 (sibcall_epilogue): Likewise.
296 (eh_return_internal): Likewise.
298 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
299 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
300 * config/bfin/bfin.c (bfin_handle_option): Handle
301 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
302 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
303 Support bf534, bf536 and bf561.
304 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
306 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
309 * config/i386/i386.c (ix86_function_regparm): Process local
310 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
312 2007-05-07 Mike Stump <mrs@apple.com>
314 * doc/invoke.texi (Warning Options): Document that -Wempty-body
315 also checks for and while statements in C++.
317 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
319 * gcc.c (at_file_supplied): New variable.
320 (main): Set it if we expanded argv.
321 (do_spec_1): Pass an @-file to the linker if we were called with
322 an @-file argument and HAVE_GNU_LD.
323 * collect2.c (at_file_supplied): New variable.
324 (response_file): New variable.
325 (collect_exit): Unlink response_file if necessary.
328 (main): Set at_file_supplied if we expanded argv.
329 (collect_execute): Pass an @-file to subprocesses if we were called
330 with an @-file argument.
331 * configure.ac: Add define for HAVE_GNU_LD.
332 * configure: Regenerate.
333 * config.in: Regenerate.
335 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
337 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
343 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
345 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
346 (TARGET_ENCODE_SECTION_INFO): Re-define.
347 (m32c_encode_section_info): New
348 (function_vector_handler): New
349 (current_function_special_page_vector): New
350 (m32c_special_page_vector_p): New.
351 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
353 * config/m32c/jump.md: Added instruction JSRS for functions
354 with attribute "function_vector".
355 * doc/extend.texi (function_vector): Added description
356 for M16C, M32C targets.
358 2007-05-07 DJ Delorie <dj@redhat.com>
361 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
362 ashrpsi3, lshrpsi3): Update shift count constraint.
364 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
365 Nathan Froyd <froydnj@codesourcery.com>
368 * c-incpath.c (add_path): Strip trailing path separators.
370 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
372 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
373 Free dominance info before purging EH edges.
374 (eliminate_degenerate_phis): Likewise.
375 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
377 2007-05-07 Jan Hubicka <jh@suse.cz>
379 * gimplify.c (gimplify_expr): Do not crash when folding
382 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
385 * c-opts.c (lang_fortran): Make it non static.
386 * c-common.h (lang_fortran): New prototype.
387 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
388 -lang-fortran option was passed by the driver.
390 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
392 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
393 of ASSERT_CHECKING. Tweak message.
395 2007-05-06 Revital Eres <eres@il.ibm.com>
398 * loop-unroll.c (insert_var_expansion_initialization):
399 Initialize the expansions with -zero instead of +zero.
401 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
403 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
404 into pic and non-pic versions. Mark r19 as used for
405 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
406 for tgd_load, tld_load and tie_load .
407 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
408 version of tgd_load, tld_load and tie_load depending on the
411 2007-05-04 Ulrich Drepper <drepper@redhat.com>
412 Jakub Jelinek <jakub@redhat.com>
414 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
415 (__do_global_dtors_aux): Use more paranoid loop to run
416 destructors if HIDDEN_DTOR_LIST_END.
417 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
419 2007-05-04 Jakub Jelinek <jakub@redhat.com>
421 * varasm.c (align_variable): Don't increase alignment for
422 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
423 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
425 2007-05-04 Josh Conner <jconner@apple.com>
427 * basic-block.h (cdi_direction): Assign values to all enumeration
429 (dom_computed): Remove.
430 (dom_info_state): New.
431 (set_dom_info_availability): New.
432 * tree-ssa-loop-im.c (determine_invariantness): Initialize
433 walk_data.dom_direction.
434 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
435 instead of dom_computed[].
436 (split_edge): Likewise.
437 (create_basic_block): Likewise.
438 (merge_blocks): Likewise.
439 * ifcvt.c (find_if_header): Likewise.
440 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
441 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
442 * tree-ssa.c (verify_ssa): Likewise.
443 * tree-cfg.c (tree_verify_flow_info): Likewise.
444 (remove_edge_and_dominated_blocks): Likewise.
445 * dominance.c (dom_computed): Make static.
446 (calc_dfs_tree_nonrec): Change third param to a bool.
447 (calc_dfs_tree): Change second param to a bool.
448 (calc_idioms): Change second param to a bool. Use
449 dom_convert_dir_to_idx.
450 (init_dom_info): Validate dir before using.
451 (dom_convert_dir_to_idx): New.
452 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
453 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
454 (free_dominance_info): Use dom_convert_dir_to_idx.
455 (get_immediate_dominator): Likewise.
456 (set_immediate_dominator): Likewise.
457 (get_dominated_by): Likewise.
458 (redirect_immediate_dominators): Likewise.
459 (nearest_common_denominator): Likewise.
460 (dominated_by_p): Likewise.
461 (bb_dom_dfs_in): Likewise.
462 (bb_dom_dfs_out): Likewise.
463 (recount_dominator): Likewise.
464 (iterate_fix_dominators): Likewise.
465 (add_to_dominance_info): Likewise.
466 (delete_from_dominance_info): Likewise.
467 (first_dom_son): Likewise.
468 (next_dom_son): Likewise.
469 (dom_info_available_p): Likewise.
470 (dom_info_state): New.
471 (set_dom_info_availability): New.
473 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
475 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
477 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
479 2007-05-04 Bob Wilson <bob.wilson@acm.org>
481 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
482 (subdi3, subdi_carry): Delete.
484 2007-05-04 Jan Hubicka <jh@suse.cz>
485 Richard Guenther <rguenther@suse.de>
487 * opts.c (decode_options): Do not fiddle with inlining
488 parameters in case of optimizing for size.
489 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
491 (cgraph_decide_inlining_of_small_function): When optimizing for
492 size never inline functions increasing caller size.
493 (cgraph_early_inlining): Inline for size when optimizing for size.
495 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
497 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
498 logical operations piecewise.
499 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
500 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
501 subdi_sesidi_di): Delete.
502 (add_with_carry): Produce carry in CC instead of a DREG to shorten
503 the generated sequence. Allow three-reg add in constraints. Rewrite
504 the rtl expression for carry to avoid zero_extend of a constant.
505 (sub_with_carry): New pattern.
506 (adddi3, subdi3): Change into define_expand. For subtract, generate a
507 different sequence not involving jumps.
508 (notbi): Now a named pattern.
510 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
512 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
513 Add the note about a significant loss of accuracy of some
514 mathematical routines when these options are used.
516 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
518 * haifa-sched.c (rtx_vec_t): New typedef.
519 (contributes_to_priority_p): Extract piece of priority () into new
521 (priority): Use the function. Add assertion.
522 (rank_for_schedule, set_priorities): Add assertion to check that
523 insn's priority is initialized.
524 (clear_priorities, calc_priorities): Change signature. Make it update
525 all relevant insns. Update all callers ('add_to_speculative_block ()'
526 and 'create_block_check_twin ()').
527 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
528 Add new field 'priority_status'.
529 (INSN_PRIORITY_STATUS): New macro.
530 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
532 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
534 * sched-ebb.c (debug_ebb_dependencies): New static function.
535 (init_ready_list): Use it.
537 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
538 with changed signature and 'debug_rgn_dependencies ()'.
539 (debug_rgn_dependencies): New static function.
540 (init_ready_list): Use it.
542 * sched-int.h (debug_dependencies): Declare.
544 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
546 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
548 2007-05-04 Dirk Mueller <dmueller@suse.de>
550 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
552 2007-05-03 Jan Hubicka <jh@suse.cz>
554 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
555 for pointer type in more cases than before.
557 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
559 * tree-object-size.c (plus_expr_object_size): When operand size is
560 unknown, return unknown.
562 2007-05-03 Dirk Mueller <dmueller@suse.de>
564 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
566 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
569 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
571 2007-05-03 Janis Johnson <janis187@us.ibm.com>
573 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
575 2007-05-03 Joseph Myers <joseph@codesourcery.com>
577 * config/soft-fp/double.h, config/soft-fp/extended.h,
578 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
579 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
580 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
581 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
584 2007-05-03 Ian Lance Taylor <iant@google.com>
586 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
587 MASK_PPC_GFXOPT for 8540 or 8548.
589 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
591 * tree-vect-transform.c (vect_update_inits_of_drs): Use
592 vect_print_dump_info() to output debug information.
594 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
597 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
598 operands of size 2 when operand is not MEM_P.
600 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
602 PR tree-optimization/30565
603 * lambda-code.c (perfect_nestify): Fix updating of dominators.
605 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
607 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
608 (umulsi3_highpart): Use them.
609 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
610 for final accumulator to D regisster tranfser.
612 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
614 PR tree-optimization/31699
615 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
617 (vect_enhance_data_refs_alignment): Compute peel amount using
618 TYPE_VECTOR_SUBPARTS instead of vf.
619 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
621 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
624 * system.h: Remove inclusion of double-int.h
625 * tree.h: Include double-int.h
626 * gengtype.c: Likewise
627 * cfgloop.h: Likewise
628 * Makefile.in: Adjust dependencies on double-int.h
630 2007-05-02 Eric Christopher <echristo@apple.com>
632 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
633 -shared to -Zdynamiclib.
635 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
638 * c-common.c (strip_pointer_or_array_types): New function.
639 * c-common.h (strip_pointer_or_array_types): New function declaration.
641 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
643 PR tree-optimization/31771
644 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
646 2007-05-02 Paul Brook <paul@codesourcery.com>
648 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
650 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
653 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
656 2007-05-02 Nick Clifton <nickc@redhat.com>
658 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
660 2007-05-02 Richard Guenther <rguenther@suse.de>
662 PR tree-optimization/31146
663 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
664 argument, single_use_p. If we have a single use that is
665 a conversion to the definition rhs type, propagate that rhs.
666 (forward_propagate_addr_expr): Pass single_use_p argument
667 to forward_propagate_addr_expr_1.
669 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
671 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
674 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
676 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
677 'AMD Family 10 core'.
679 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
681 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
682 and athlon64-sse3 as improved versions of k8, opteron and athlon64
683 with SSE3 instruction set support.
684 * doc/invoke.texi: Likewise.
686 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
688 * config/i386/i386.c (override_options): Tuning 32-byte loop
689 alignment for amdfam10 architecture. Increasing the max loop
690 alignment to 24 bytes.
692 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
694 * config/m68k/constraints.md: New.
695 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
696 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
697 EXTRA_CONSTRAINT): Remove.
698 * config/m68k/m68k.md: Include constraints.md.
699 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
701 2007-05-01 Ian Lance Taylor <iant@google.com>
703 PR tree-optimization/31739
704 * tree-vrp.c (vrp_val_is_max): New static function.
705 (vrp_val_is_min): New static function.
706 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
708 (set_value_range): Use vrp_val_is_{max,min}.
709 (extract_range_from_assert): Likewise.
710 (extract_range_from_binary_expr): Likewise.
711 (extract_range_from_unary_expr): Likewise.
712 (dump_value_range, vrp_meet): Likewise.
713 (vrp_visit_phi_node): Likewise.
714 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
716 2007-05-01 Mark Mitchell <mark@codesourcery.com>
718 * config/i386/gmon-sol2.c (size_t): New type.
719 (intptr_t): Likewise.
720 (s_textsize): Declare as size_t.
722 (monstartup): Use size_t for sizes.
723 (_mcount): Save and restore registers.
724 (internal_mcount): Pass 0 as the first argument to monstartup
726 (moncontrol): Convert pointer to appropriately sized integer
727 before passing to profil.
729 2007-05-01 Joseph Myers <joseph@codesourcery.com>
731 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
732 __NO_FPRS__, not just if _SOFT_DOUBLE.
733 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
734 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
735 also for E500 double.
736 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
737 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
740 2007-05-01 Richard Guenther <rguenther@suse.de>
742 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
745 2007-05-01 Joseph Myers <joseph@codesourcery.com>
747 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
749 2007-05-01 Jan Hubicka <jh@suse.cz>
751 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
754 2007-05-01 Jan Hubicka <jh@suse.cz>
756 * tree.h (maybe_fold_offset_to_component_ref): Remove.
757 (maybe_fold_offset_to_reference): Declare.
758 * fold-const.c (fold_unary): Do not fold
759 (type *)&A into &A->field_of_type_and_offset_0
760 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
761 size is unknown, give up.
762 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
764 (maybe_fold_offset_to_reference): New.
765 (maybe_fold_stmt_indirect): Use it.
766 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
767 * gimplify.c (gimplify_conversion): Canonicalize conversions to
769 (gimplify_expr): Likewise for plus_expr.
771 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
773 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
774 bsi_after_labels. Always insert statements before bsi.
775 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
776 * predict.c (apply_return_prediction): Check for empty blocks.
777 * cfgexpand.c (lab_rtx_for_bb): New variable.
778 (label_rtx_for_bb): Do not create new tree labels.
779 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
780 (tree_expand_cfg): Initialize lab_rtx_for_bb.
781 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
783 (label_for_bb): Add field used.
784 (update_eh_label, main_block_label): Mark the label used.
785 (cleanup_dead_labels): Remove unused labels.
787 2007-05-01 Richard Guenther <rguenther@suse.de>
789 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
790 if it is not about to be set.
791 (get_value_range): Do not pre-allocate equiv bitmap.
792 (update_value_range): No need to clear equiv field.
793 (add_equivalence): Change prototype to get bitmap pointer.
794 Allocate bitmap here if it is not already.
795 (extract_range_from_assert): Do not allocate bitmap here.
796 Update callers to add_equivalence.
797 (extract_range_from_ssa_name): Likewise.
798 (get_vr_for_comparison): New static helper.
799 (compare_name_with_value): Handle NULL equiv bitmap by
800 peeling the first iteration of the comparison loop.
801 Use get_vr_for_comparison.
802 (compare_names): Handle NULL equiv bitmaps by using fake
803 ones. Use get_vr_for_comparison.
805 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
807 * double-int.c (mpz_set_double_int): Moved from
808 tree-ssa-loop-niter.c.
809 (mpz_get_double_int): Likewise; also, add option to wrap
810 out-of-range integers.
811 * double-int.h: New prototypes for above.
812 * tree.c (get_static_type_bounds): Moved from
813 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
814 TYPE_MAX_VALUE if they exist..
815 * tree.h: New prototype for above.
816 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
817 get_type_bounds calls.
818 (mpz_set_double_int): Move to double-int.c.
819 (get_type_bounds): Move to tree.c, rename to
820 get_static_type_bounds.
821 (mpz_to_double_int): Move to double-int.c, rename to
824 2007-04-30 Bob Wilson <bob.wilson@acm.org>
826 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
827 DIV0 exception can fall through to a normal return.
829 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
833 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
834 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
835 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
836 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
837 initialize align to silence bogus warning.
838 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
839 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
841 (struct sra_walk_fns): Remove use_all parameter from use.
842 (sra_hash_tree): Handle BIT_FIELD_REFs.
843 (sra_elt_hash): Don't hash bitfld blocks.
844 (sra_elt_eq): Skip them in parent compares as well. Handle
846 (sra_walk_expr): Don't maintain or pass down use_all_p.
847 (scan_use): Remove use_all parameter.
848 (scalarize_use): Likewise. Re-expand assignment to
849 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
850 output, and re-scalarize after output. Don't mark anything
852 (scalarize_ldst): Adjust.
853 (scalarize_walk_gimple_modify_statement): Likewise.
854 (build_element_name_1): Handle BIT_FIELD_REFs.
855 (instantiate_element): Don't warn for any element whose parent
857 (instantiate_missing_elements_1): Return the sra_elt.
858 (canon_type_for_field): New.
859 (try_instantiate_multiple_fields): New.
860 (instantiate_missing_elemnts): Use them.
861 (mark_no_warning): Removed.
862 (generate_one_element_ref): Handle BIT_FIELD_REFs.
863 (REPLDUP, sra_build_elt_assignment): New.
864 (generate_copy_inout): Use them.
865 (generate_element_copy): Likewise. Handle bitfld differences.
866 (generate_element_zero): Don't recurse for blocks. Use
867 sra_build_elt_assignment.
868 (generate_one_element_int): Take elt instead of var. Use
869 sra_build_elt_assignment.
870 (generate_element_init_1): Adjust.
871 (scalarize_use, scalarize_copy): Use REPLDUP.
872 (scalarize_ldst): Move assert before dereference.
873 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
875 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
878 * tree.c (reconstruct_complex_type): Reconstruct a reference
880 Also use the same mode for the pointer as the old pointer type.
882 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
884 * doc/trouble.texi (Interoperation): Remove note about Ultrix
887 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
889 PR rtl-optimization/31676
890 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
891 (df_refs_record): Call it.
893 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
895 * rtl.def (SS_ABS): New code.
896 * config/bfin/bfin.c (print_operand): New modifier 'v'.
897 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
898 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
899 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
900 (bfin_init_builtins): Define them.
901 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
902 (bfin_expand_builtin): ... and handle the others here.
903 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
904 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
905 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
906 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
907 operand is only HImode.
909 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
911 * regclass.c (scan_one_insn): Remove splitting of
914 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
915 Nigel Stephens <nigel@mips.com>
917 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
919 2007-04-28 Jan Hubicka <jh@suse.cz>
921 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
922 insn_locators_alloc instead of insn_locators_initialize;
923 call reset_block_changes.
924 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
925 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
926 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
927 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
928 * config/score/score.c (th_output_mi_thunk): Likewise.
929 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
930 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
931 tolerate uninitialized locator info.
934 * function.c (init_function_start): Don't init line number info.
935 (expand_function_end): Update.
936 (reset_block_changes, record_block_change, finalize_block_changes,
937 check_block_change, free_block_changes): Kill.
938 * function.h (reset_block_changes, record_block_change,
939 finalize_block_changes, check_block_change, free_block_changes): Remove
941 (struct function): Remove ib_boundaries_block.
942 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
943 Use curr_insn_locator to initialize locator.
944 (emit_line_note): Remove.
945 * cfgexpand.c (expand_gimple_cond_expr): Update.
946 (construct_exit_block): Likewise.
947 (tree_expand_cfg): Initialize/finalize locators.
948 * expr.c (expand_expr_real): Update.
949 * cfglayout.c (line_locators_locs, line_locators_lines,
950 file_locators_locs, file_locators_files): Remove.
951 (set_block_levels): Move to cfgexpand.c.
952 (insn_locators_initialize): Remove.
953 (pass_insn_locators_initialize): Remove.
954 (locations_locators_locs, locations_locators_vals): New static vars.
955 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
957 (insn_locators_alloc, insn_locators_finalize,
958 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
960 (locator_location): New.
961 (locator_line, locator_file): Rewrite.
962 * rtl.h (emit_line_note): Kill.
963 (insn_locators_alloc, insn_locators_finalize,
964 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
966 * tree-inline.c (initialize_cfun): Do not initialize
968 * passes.c (pass_insn_locators_initialize): Remove.
970 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
972 * tree-cfg.c (move_block_to_fn): Release bb from dominance
973 info. Update last_basic_block correctly.
975 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
978 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
979 register itself to hold the offset constant. Tell flow the use
980 of r4 and r5 when they are used.
982 2007-04-27 Richard Guenther <rguenther@suse.de>
984 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
985 if we simplified anything.
986 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
987 warnings until we did a simplification and the stmt was not
988 marked as TREE_NO_WARNING.
990 2007-04-27 Mike Stump <mrs@apple.com>
992 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
994 2007-04-27 Ian Lance Taylor <iant@google.com>
997 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
998 TYPE_MAX_VALUE exist, convert them to the new type.
1000 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1002 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
1003 if it claims to be available.
1004 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1006 (perform_tree_ssa_dce): Always free postdominators.
1008 2007-04-27 Richard Henderson <rth@redhat.com>
1010 * config/alpha/predicates.md (aligned_memory_operand): Mark
1011 as define_special_predicate.
1012 (unaligned_memory_operand, normal_memory_operand): Likewise.
1013 (reg_or_unaligned_mem_operand): Remove.
1014 (any_memory_operand): Match the documentation and check for
1015 non-renumbered pseudos during reload.
1016 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1017 alpha_secondary_reload_class, update to new interface, make static.
1018 Handle CQImode like HImode. Remove FP subreg check.
1019 (alpha_expand_mov): Use replace_equiv_address.
1020 (alpha_expand_mov_nobwx): Use any_memory_operand.
1021 (TARGET_SECONDARY_RELOAD): New.
1022 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1023 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1024 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1025 * config/alpha/alpha.md: ... here.
1026 (RELOAD12, reloadmode): New.
1028 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1029 Don't handle the aligned case here.
1030 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1031 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1032 reload_inhi_help. Don't expect a scratch register.
1033 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1035 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1037 2007-04-27 Richard Guenther <rguenther@suse.de>
1039 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1041 2007-04-27 Richard Guenther <rguenther@suse.de>
1043 PR tree-optimization/30965
1044 PR tree-optimization/30978
1045 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1046 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1047 (find_equivalent_equality_comparison): Likewise.
1048 (simplify_cond): Likewise.
1049 (get_prop_source_stmt): New helper.
1050 (get_prop_dest_stmt): Likewise.
1051 (can_propagate_from): Likewise.
1052 (remove_prop_source_from_use): Likewise.
1053 (combine_cond_expr_cond): Likewise.
1054 (forward_propagate_comparison): New function.
1055 (forward_propagate_into_cond): Rewrite to use fold for
1057 (tree_ssa_forward_propagate_single_use_vars): Call
1058 forward_propagate_comparison to propagate comparisons.
1060 2007-04-27 Richard Guenther <rguenther@suse.de>
1062 PR tree-optimization/31715
1063 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1064 sure to do computation on the offset in an appropriate
1067 2007-04-27 Richard Sandiford <richard@codesourcery.com>
1069 * reload.h (elimination_target_reg_p): Declare.
1070 * reload.c (find_reloads): Don't apply the reg_rtx move
1071 optimization if the SET_DEST satisfies elimination_target_reg_p.
1072 * reload1.c (elimination_target_reg_p): New function.
1073 (gen_reload): In the move/add2 fallback, make sure that op0
1074 does not overlap the destination register.
1076 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1078 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1079 transform only GIMPLE_MODIFY_STMTs.
1080 * tree-complex.c (expand_complex_operations_1): Ditto.
1081 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1082 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1083 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1085 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1086 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1087 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1088 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1089 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1090 slpeel_add_loop_guard): Ditto.
1091 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1092 * lambda-code.c (perfect_nestify): Ditto.
1093 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1094 before the first statement.
1095 * tree-optimize.c (execute_free_datastructures): Fix comments.
1096 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1097 * tree-flow.h (disband_implicit_edges): Declaration removed.
1098 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1100 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1102 (disband_implicit_edges, has_label_p): Removed.
1103 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1104 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1106 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1108 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1109 also for COND_EXPRs.
1110 * cfgexpand.c (label_rtx_for_bb): New function.
1111 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1112 Use label_rtx_for_bb to find the labels.
1113 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1114 last block. Detect fallthru edges.
1116 2007-04-26 Ian Lance Taylor <iant@google.com>
1119 * reload.c (find_reloads_subreg_address): If the address was valid
1120 in the original mode but not in the new mode, reload the whole
1123 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1125 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1126 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1127 (cleanup_control_expr_graph): Do not invalidate dominance info.
1128 Record altered blocks.
1129 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1130 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1131 cleanup_tree_cfg_bb): New functions.
1132 (remove_forwarder_block): Do not maintain the worklist of blocks.
1133 Record altered blocks.
1134 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1136 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
1137 delete_unreachable_blocks if dominators are not available.
1138 * tree-inline.c (optimize_inline_calls): Free dominance information
1140 * tree-flow.h (remove_edge_and_dominated_blocks,
1141 cfgcleanup_altered_bbs): Altered.
1142 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1144 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1146 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1147 do not invalidate dominators.
1149 2007-04-26 Anatoly Sokolov <aesok@post.ru>
1151 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1152 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1153 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1154 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1156 2007-04-26 Steve Ellcey <sje@cup.hp.com>
1158 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
1160 2007-04-26 Richard Guenther <rguenther@suse.de>
1162 PR tree-optimization/31703
1163 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1164 the right type for the target of the bittest.
1166 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1168 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1169 ix86_sol10_return_in_memory.
1171 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1173 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1176 2007-04-26 Jakub Jelinek <jakub@redhat.com>
1179 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1181 PR tree-optimization/30558
1182 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1183 clear this_state.prev_try.
1185 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1186 Mark Mitchell <mark@codesourcery.com>
1188 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1189 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1190 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1192 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1195 * doc/invoke.texi (%:print-asm-header): Document.
1196 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1198 (static_spec_functions): Add print-asm-header.
1199 (main): Print a banner before the --target-help linker options.
1200 (print_asm_header_spec_function): New function.
1202 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
1205 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1206 (movsf_ie): Likewise.
1208 2007-04-25 Paolo Carlini <pcarlini@suse.de>
1210 * doc/extend.texi ([Type Traits]): Adjust per N2255.
1212 2007-04-25 Bob Wilson <bob.wilson@acm.org>
1214 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1216 (__umodsi3, __modsi3): Likewise.
1218 2007-04-25 Dirk Mueller <dmueller@suse.de>
1220 * c-typeck.c (build_compound_expr): Annotate warning()
1221 call with OPT_Wunused_value.
1222 * tree-ssa.c (warn_uninit): Annotate warning with
1224 * c-common.c (handle_sentinel_attribute): Annotate warning
1225 call with OPT_Wattributes.
1227 2007-04-25 Thiemo Seufer <ths@mips.com>
1229 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1231 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1232 on to the assembler. Improve handling of -mno-mips16. Add handling
1233 of -mno-mips3d, -mno-dsp, -mno-dspr2.
1234 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
1235 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1236 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1238 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
1241 * config/i386/winnt.c (i386_pe_file_end): Strip only
1242 USER_LABEL_PREFIX when writing export name.
1244 2007-04-25 Richard Sandiford <richard@codesourcery.com>
1246 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
1247 sh/elf.h, vx-common.h and vxworks.h.
1248 * config/sh/sh.h: Include config/vxworks-dummy.h.
1249 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1250 (OVERRIDE_OPTIONS): Use it.
1251 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1252 (vxworks_picreg): New pattern.
1253 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1254 VXWORKS_OS_CPP_BUILTINS.
1255 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1256 to their VXWORKS_* equivalents.
1257 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1258 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1259 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1260 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1261 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1262 -mrtp/-fPIC multilibs.
1263 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1264 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1265 (MULTILIB_OSDIRNAMES): Delete.
1267 2007-04-25 Anatoly Sokolov <aesok@post.ru>
1270 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1272 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
1274 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1275 rounding mode to be specified by the caller.
1276 (real_to_mpfr) Likewise.
1277 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1278 include new arguments.
1279 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1281 2007-04-24 Ian Lance Taylor <iant@google.com>
1283 PR tree-optimization/31605
1284 * tree-vrp.c (set_value_range): Check that min and max are not
1285 both overflow infinities.
1286 (set_value_range_to_value): New static function.
1287 (extract_range_from_binary_expr): Call set_value_range_to_value.
1288 (extract_range_from_cond_expr): Likewise.
1289 (extract_range_from_expr): Likewise.
1290 (extract_range_from_unary_expr): Likewise. Don't create a range
1291 which overflows on both sides.
1292 (vrp_meet): Check for a useless range.
1293 (vrp_visit_phi_node): If we see a constant which looks like an
1294 overflow infinity, turn off the TREE_OVERFLOW flag.
1296 2007-04-24 Ian Lance Taylor <iant@google.com>
1298 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1300 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
1303 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1304 diagnostic message is being built.
1305 * tree-pretty-print.c (dump_generic_node): Only write the
1306 formatted text into BUFFER's stream if we are not building a
1308 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1310 * Makefile.in (toplev.o): Depend on tree-pass.h.
1312 2007-04-24 Ian Lance Taylor <iant@google.com>
1314 PR tree-optimization/31602
1315 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1316 conditionals in the copied loop header.
1317 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1318 warnings if TREE_NO_WARNING is set.
1319 * doc/invoke.texi (Warning Options): Clarify that
1320 -Wstrict-overflow does not warn about loops.
1322 2007-04-24 Janis Johnson <janis187@us.ibm.com>
1324 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1325 expand on the comment about _Decimal128 arguments and check the
1326 integer result of the modulus operation; for 64-bit ELF ABI, ensure
1327 that _Decimal128 argument uses even/odd register pair.
1328 (function_arg): Ditto.
1330 2007-04-24 Hui-May Chang <hm.chang@apple.com>
1332 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1333 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1335 2007-04-24 Richard Guenther <rguenther@suse.de>
1336 Olga Golovanevsky <olga@il.ibm.com>
1338 * fold-const.c (multiple_of_p): Check for bottom
1341 2007-04-24 Richard Henderson <rth@redhat.com>
1343 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1344 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1345 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1346 looking for non-zero bits shifted out. Avoid a recursive call
1347 when constructing the scalar.
1348 (__floatundisf): Likewise.
1350 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
1352 * dwarf2out.c (field_byte_offset): Move the existing logic
1353 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1354 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1356 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1359 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1360 argument of 0 for memset.
1361 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1362 unsigned shift instead of the signed variant.
1364 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1366 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1367 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1368 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1369 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1370 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1371 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1372 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1373 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1374 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1375 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1376 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1377 "mul<mode>3", "div<mode>3"): Insn definitions added.
1378 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1379 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1380 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1381 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1382 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1383 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1384 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1385 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1386 TARGET_FLOAT_FORMAT): Macro definitions removed.
1387 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1388 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1389 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1390 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1391 (s390_gen_rtx_const_DI): Function removed.
1392 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1394 2007-04-24 Richard Sandiford <richard@codesourcery.com>
1396 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1397 over an external ffs function.
1399 2007-04-24 Chao-ying Fu <fu@mips.com>
1400 Richard Sandiford <richard@nildram.co.uk>
1402 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1403 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1404 (smadd_widen_optab, umadd_widen_optab): Define.
1405 * optabs.c (init_optabs): Initialize smadd_widen_optab and
1407 * genopinit.c (optabs): Fill in smadd_widen_optab and
1409 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1410 and umadd_widen_optab to implement multiply-add sequences.
1411 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1412 (<u>maddsidi4): ...this. Extend condition to include
1413 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
1414 of operand 0 to "ka" and use the three-operand form of madd<u>
1416 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1418 * config/mips/constraints.md (ka): New register constraint.
1420 2007-04-24 Jan Hubicka <j@suse.cz>
1424 2007-04-23 Jan Hubicka <jh@suse.cz>
1425 * function.c (init_function_start): Don't init line number info.
1426 (expand_function_end): Update.
1427 (reset_block_changes, record_block_change, finalize_block_changes,
1428 check_block_change, free_block_changes): Kill.
1429 * function.h (reset_block_changes, record_block_change,
1430 finalize_block_changes, check_block_change, free_block_changes): Remove
1432 (struct function): Remove ib_boundaries_block.
1433 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1434 Use curr_insn_locator to initialize locator.
1435 (emit_line_note): Remove.
1436 * cfgexpand.c (expand_gimple_cond_expr): Update.
1437 (construct_exit_block): Likewise.
1438 (tree_expand_cfg): Initialize/finalize locators.
1439 * expr.c (expand_expr_real): Update.
1440 * cfglayout.c (line_locators_locs, line_locators_lines,
1441 file_locators_locs, file_locators_files): Remove.
1442 (set_block_levels): Move to cfgexpand.c.
1443 (insn_locators_initialize): Remove.
1444 (pass_insn_locators_initialize): Remove.
1445 (locations_locators_locs, locations_locators_vals): New static vars.
1446 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1448 (insn_locators_alloc, insn_locators_finalize,
1449 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1451 (locator_location): New.
1452 (locator_line, locator_file): Rewrite.
1453 * rtl.h (emit_line_note): Kill.
1454 (insn_locators_alloc, insn_locators_finalize,
1455 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1457 * tree-inline.c (initialize_cfun): Do not initialize
1458 ib_boundaries_block.
1459 * passes.c (pass_insn_locators_initialize): Remove.
1461 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
1463 * doc/invoke.texi: Removed leading '-' from option index entries.
1465 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
1467 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1469 (create_phi_node): Use set_phi_nodes.
1470 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1471 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1472 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
1473 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1474 (bsi_start, bsi_last): Use bb_stmt_list.
1475 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1476 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1477 Traverse the statements using tsi iterator.
1478 * basic-block.h (struct basic_block_def): Fields stmt_list
1479 and phi_nodes moved to ...
1480 (struct tree_bb_info): ... new structure.
1481 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
1482 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1483 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
1484 (tree_verify_flow_info): Verify that il.tree is not set for
1485 entry and exit block.
1486 (tree_split_block): Use set_bb_stmt_list.
1488 2007-04-23 Mike Stump <mrs@apple.com>
1490 * config/i386/i386.c (ix86_tune_features
1491 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1494 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1496 * config/i386/i386.md (prefix_extra): New attribute.
1497 (length): Add prefix_extra.
1499 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1500 (sse2_movntv2di): Likewise.
1501 (sse2_cvtps2dq): Likewise.
1502 (sse2_cvtpd2pi): Likewise.
1503 (sse2_cvttpd2pi): Likewise.
1504 (*sse2_cvtpd2ps): Likewise.
1505 (*add<mode>3): Likewise.
1506 (sse2_ssadd<mode>3): Likewise.
1507 (sse2_usadd<mode>3): Likewise.
1508 (*sub<mode>3): Likewise.
1509 (sse2_sssub<mode>3): Likewise.
1510 (sse2_ussub<mode>3): Likewise.
1511 (*mulv8hi3): Likewise.
1512 (*smulv8hi3_highpart): Likewise.
1513 (*umulv8hi3_highpart): Likewise.
1514 (sse2_umulv2siv2di3): Likewise.
1515 (sse2_pmaddwd): Likewise.
1516 (ashr<mode>3): Likewise.
1517 (lshr<mode>3): Likewise.
1518 (ashl<mode>3): Likewise.
1519 (sse2_ashlti3): Likewise.
1520 (sse2_lshrti3): Likewise.
1521 (*umaxv16qi3): Likewise.
1522 (*smaxv8hi3): Likewise.
1523 (*uminv16qi3): Likewise.
1524 (*sminv8hi3): Likewise.
1525 (sse2_eq<mode>3): Likewise.
1526 (sse2_gt<mode>3): Likewise.
1527 (*and<mode>3): Likewise.
1528 (sse2_nand<mode>3): Likewise.
1529 (*ior<mode>3): Likewise.
1530 (*xor<mode>3): Likewise.
1531 (sse2_packsswb): Likewise.
1532 (sse2_packssdw): Likewise.
1533 (sse2_packuswb): Likewise.
1534 (sse2_punpckhbw): Likewise.
1535 (sse2_punpcklbw): Likewise.
1536 (sse2_punpckhwd): Likewise.
1537 (sse2_punpcklwd): Likewise.
1538 (sse2_punpckhdq): Likewise.
1539 (sse2_punpckldq): Likewise.
1540 (sse2_punpckhqdq): Likewise.
1541 (sse2_punpcklqdq): Likewise.
1542 (*sse2_pinsrw): Likewise.
1543 (*sse2_pextrw): Likewise.
1544 (sse2_pshufd_1): Likewise.
1545 (sse2_uavgv16qi3): Likewise.
1546 (sse2_uavgv8hi3): Likewise.
1547 (sse2_psadbw): Likewise.
1548 (sse2_pmovmskb): Likewise.
1549 (*sse2_maskmovdqu): Likewise.
1550 (*sse2_maskmovdqu_rex64): Likewise.
1551 (sse4a_extrqi): Likewise.
1552 (sse4a_extrq): Likewise.
1553 (sse3_lddqu): Set prefix_rep.
1554 (sse3_addsubv4sf3): Likewise.
1555 (sse3_haddv4sf3): Likewise.
1556 (sse3_hsubv4sf3): Likewise.
1557 (sse_cvtss2si): Likewise.
1558 (sse_cvtss2si_2): Likewise.
1559 (sse_cvtss2siq): Likewise.
1560 (sse_cvtss2siq_2): Likewise.
1561 (sse_cvttss2si): Likewise.
1562 (sse_cvttss2siq): Likewise.
1563 (sse2_cvttps2dq): Likewise.
1564 (sse3_movshdup): Likewise.
1565 (sse3_movsldup): Likewise.
1566 (sse2_cvtsd2si): Likewise.
1567 (sse2_cvtsd2si_2): Likewise.
1568 (sse2_cvtsd2siq): Likewise.
1569 (sse2_cvtsd2siq_2): Likewise.
1570 (sse2_cvttsd2si): Likewise.
1571 (sse2_cvttsd2siq): Likewise.
1572 (*sse2_cvtpd2dq): Likewise.
1573 (*sse2_cvttpd2dq): Likewise.
1574 (sse2_pshuflw_1): Likewise.
1575 (sse2_pshufhw_1): Likewise.
1576 (sse4a_insertqi): Likewise.
1577 (sse4a_insertq): Likewise.
1578 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1579 (ssse3_phadddv4si3): Likewise.
1580 (ssse3_phaddswv8hi3): Likewise.
1581 (ssse3_phsubwv8hi3): Likewise.
1582 (ssse3_phsubdv4si3): Likewise.
1583 (ssse3_phsubswv8hi3): Likewise.
1584 (ssse3_pmaddubswv8hi3): Likewise.
1585 (ssse3_pmulhrswv8hi3): Likewise.
1586 (ssse3_pshufbv16qi3): Likewise.
1587 (ssse3_psign<mode>3): Likewise.
1588 (ssse3_palignrti): Likewise.
1589 (abs<mode>2): Likewise.
1590 (ssse3_phaddwv4hi3): Set prefix_extra.
1591 (ssse3_phadddv2si3): Likewise.
1592 (ssse3_phaddswv4hi3): Likewise.
1593 (ssse3_phsubwv4hi3): Likewise.
1594 (ssse3_phsubdv2si3): Likewise.
1595 (ssse3_phsubswv4hi3): Likewise.
1596 (ssse3_pmaddubswv4hi3): Likewise.
1597 (ssse3_pmulhrswv4hi3): Likewise.
1598 (ssse3_pshufbv8qi3): Likewise.
1599 (ssse3_psign<mode>3): Likewise.
1600 (ssse3_palignrdi): Likewise.
1601 (abs<mode>2): Likewise.
1602 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1603 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1604 (sse2_pmovmskb): Set mode to SI instead of V2DF.
1606 2007-04-23 Nick Clifton <nickc@redhat.com>
1608 * params.def: Fix formatting of emacs local variables.
1610 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1612 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1613 move if inter-unit move isn't allowed.
1614 Don't split moving the first element of V2DI to DI to inter-unit
1615 move if inter-unit move isn't allowed.
1617 2007-04-23 Richard Guenther <rguenther@suse.de>
1619 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1620 and CDI_POST_DOMINATORS separately.
1622 2007-04-23 Nick Clifton <nickc@redhat.com>
1624 * c.opt (Wformat-contains-nul): Add warning attribute.
1626 2007-04-23 Jan Hubicka <jh@suse.cz>
1628 * function.c (init_function_start): Don't init line number info.
1629 (expand_function_end): Update.
1630 (reset_block_changes, record_block_change, finalize_block_changes,
1631 check_block_change, free_block_changes): Kill.
1632 * function.h (reset_block_changes, record_block_change,
1633 finalize_block_changes, check_block_change, free_block_changes): Remove
1635 (struct function): Remove ib_boundaries_block.
1636 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1637 Use curr_insn_locator to initialize locator.
1638 (emit_line_note): Remove.
1639 * cfgexpand.c (expand_gimple_cond_expr): Update.
1640 (construct_exit_block): Likewise.
1641 (tree_expand_cfg): Initialize/finalize locators.
1642 * expr.c (expand_expr_real): Update.
1643 * cfglayout.c (line_locators_locs, line_locators_lines,
1644 file_locators_locs, file_locators_files): Remove.
1645 (set_block_levels): Move to cfgexpand.c.
1646 (insn_locators_initialize): Remove.
1647 (pass_insn_locators_initialize): Remove.
1648 (locations_locators_locs, locations_locators_vals): New static vars.
1649 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1651 (insn_locators_alloc, insn_locators_finalize,
1652 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1654 (locator_location): New.
1655 (locator_line, locator_file): Rewrite.
1656 * rtl.h (emit_line_note): Kill.
1657 (insn_locators_alloc, insn_locators_finalize,
1658 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1660 * tree-inline.c (initialize_cfun): Do not initialize
1661 ib_boundaries_block.
1662 * passes.c (pass_insn_locators_initialize): Remove.
1664 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
1667 * expr.c (reduce_to_bit_field_precision): Handle
1670 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
1672 PR tree-optimization/24659
1673 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
1674 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
1675 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
1676 * genopinit.c (optabs): Rename vec_pack_mod_optab
1677 to vec_pack_trunc_optab.
1678 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
1679 early for scalar floating point operands for NOP_EXPR.
1680 (vectorizable_type_promotion): Ditto.
1681 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
1682 vec_pack_trunc_optab.
1683 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
1685 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
1686 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
1687 Rename from VEC_PACK_MOD_EXPR.
1688 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
1689 * expr.c (expand_expr_real_1): Ditto.
1690 * tree-inline.c (estimate_num_insns_1): Ditto.
1691 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1693 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
1694 (vec_unpacks_lo_v4sf): Ditto.
1695 (vec_pack_trunc_v2df): Ditto.
1696 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
1697 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1698 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
1700 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
1702 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
1704 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
1705 Rename from VEC_PACK_MOD_EXPR. This expression also represent
1706 packing of floating point operands.
1707 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
1708 represent unpacking of floating point operands.
1709 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
1710 [vec_unpacks_hi]: Ditto.
1711 [vec_unpacks_lo]: Ditto.
1713 2007-04-22 Jan Hubicka <jh@suse.cz>
1715 * final.c (rest_of_handle_final): Call
1716 targetm.asm_out.constructor/targetm.asm_out.destructor
1717 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
1718 proper priority via decl_*_priority_insert.
1719 * c-common.c (c_expand_body): Likewise.
1721 2007-04-22 Richard Guenther <rguenther@suse.de>
1723 PR tree-optimization/29789
1724 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
1725 (rewrite_reciprocal): New helper split out from
1726 determine_invariantness_stmt.
1727 (rewrite_bittest): Likewise.
1728 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
1729 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
1732 2007-04-22 Revital Eres <eres@il.ibm.com>
1734 * loop-unroll.c (var_to_expand): New field to support also
1735 insns of the form x = something + x.
1736 (analyze_insn_to_expand_var): Use it.
1737 (expand_var_during_unrolling): Likewise.
1739 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1741 * predict.c: Include pointer-set.h.
1742 (bb_predictions): New variable.
1743 (tree_predicted_by_p, tree_predict_edge,
1744 remove_predictions_associated_with_edge): Use bb_predictions map
1745 instead of bb->predictions.
1746 (clear_bb_predictions, assert_is_empty): New functions.
1747 (combine_predictions_for_bb): Use bb_predictions map. Call
1748 clear_bb_predictions.
1749 (tree_estimate_probability): Create and free bb_predictions map.
1750 * Makefile.in (predict.o): Add pointer-set.h dependency.
1751 * basic-block.h (struct basic_block_def): Remove predictions
1753 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
1755 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
1758 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
1761 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1763 * timevar.c (timevar_print): Change reference of --disable-checking to
1764 --enable-checking=release. Also warn if assert checking is disabled.
1766 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1769 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
1770 decl as addressable if the compound literal was marked as
1772 Mark the decl as a gimple register if it is a complex or
1773 vector decl and does not live in memory.
1775 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
1777 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
1778 (GENERIC_NEXT): New function macro.
1779 (PHI_CHAIN): Use phi_node's new chain variable.
1780 (tree_phi_node): Change tree_common to tree_base
1781 and add the chain field.
1782 * tree-phinodes.c (make_phi_node): Don't set
1783 TREE_TYPE on the new node.
1784 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
1785 instead of checking GIMPLE_TUPLE_P in chain_next.
1786 * tree-vect-transform.c
1787 (get_initial_def_for_induction): Look at
1788 PHI_RESULT_TREE for the type of the phi node.
1789 (update_vuses_to_preheader): Use PHI_CHAIN
1790 instead of TREE_CHAIN on the phi node.
1791 * tree-ssa-structalias.c (compute_points_to_sets):
1793 (ipa_pta_execute): Likewise.
1795 2007-04-21 Richard Guenther <rguenther@suse.de>
1798 * fold-const.c (fold_unary): Call fold_convert_const on the
1801 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
1803 * gcse.c (store_killed_in_insn): Handle PARALLELs.
1804 (store_killed_in_pat): New.
1806 2007-04-20 Richard Henderson <rth@redhat.com>
1809 * config/i386/i386.c (type_has_variadic_args_p): Look for any
1810 TREE_LIST with a void_type_node value, not void_list_node exactly.
1812 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
1814 * doc/standards.texi: Re-arrange into language-specific
1815 subsections. Add a C++ section, documenting which standards we
1818 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
1820 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
1821 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
1823 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
1825 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
1826 ecrti.o and crtbegin.o.
1827 (LIB_DEFAULT_SPEC): Include -lc.
1828 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
1830 2007-04-20 Richard Henderson <rth@redhat.com>
1833 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
1834 argument; update all callers.
1835 (get_unaligned_offset): New.
1836 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
1837 get_unaligned_address, just pass on the address directly.
1838 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
1839 the subreg in the helper patterns.
1840 (unaligned_extendqidi_le): Use get_unaligned_offset.
1841 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
1842 (unaligned_extendhidi_be): Likewise.
1843 (unaligned_extendhidi): Tidy.
1844 * config/alpha/alpha-protos.h: Update.
1846 2007-04-20 Richard Henderson <rth@redhat.com>
1848 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
1849 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
1850 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
1851 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1852 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1853 (CPP_SPEC): Don't include %(cpp_subtarget).
1854 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
1855 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
1856 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
1858 2007-04-20 Jakub Jelinek <jakub@redhat.com>
1860 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
1861 for __builtin_ia32_cmpordss.
1863 PR tree-optimization/31632
1864 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1865 and arg1 for optimizations of comparison against min/max values.
1866 Fold arg0 to arg1's type for optimizations of comparison against
1867 min+1 and max-1 values.
1869 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
1871 * reload.c (combine_reloads): When trying to use a dying register,
1872 check whether it's uninitialized and don't use if so.
1874 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
1876 * fold-const.c: Remove prototypes for native_encode_expr and
1877 native_interpret_expr.
1878 (native_encode_expr): Make non-static.
1879 (native_interpret_expr): Likewise.
1880 * tree.h: Add prototypes for the above.
1882 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1884 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
1885 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
1886 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
1887 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
1888 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
1889 Add length attributes.
1891 2007-04-19 Janis Johnson <janis187@us.ibm.com>
1893 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
1896 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
1897 __STDC_WANT_DEC_FP__.
1899 2007-04-19 Joseph Myers <joseph@codesourcery.com>
1901 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
1902 for long double compatibility.
1903 * configure: Regenerate.
1905 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1907 PR rtl-optimization/29841
1908 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
1910 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
1911 that may cause control flow transfer from being moved.
1913 2007-04-18 Jan Hubicka <jh@suse.cz>
1915 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
1918 2007-04-18 Eric Christopher <echristo@apple.com>
1920 * config/rs6000/darwin.md (load_macho_picbase): Use link register
1921 only. Update operands.
1922 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
1923 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
1924 link register to pic register.
1926 2007-04-18 Dirk Mueller <dmueller@suse.de>
1929 * tree-vrp.c (search_for_addr_array): New.
1930 (check_array_bounds): Suppress warning about
1931 address taken of array refs if its not de-referenced.
1933 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1935 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
1936 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
1938 * tree-vectorizer.h (NITERS_KNOWN_P): New.
1939 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
1940 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
1942 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
1944 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
1946 (vect_analyze_scalar_cycles): Fix indentation.
1947 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
1948 (vect_mark_relevant): Include phis in relevance analysis.
1950 * tree-vect-transform.c (vect_transform_loop): Add an assert.
1952 2007-04-18 Anatoly Sokolov <aesok@post.ru>
1954 * config/avr/avr.c (ptrreg_to_str): Replace error() with
1955 output_operand_lossage().
1957 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
1959 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
1960 the unused code for reduction without adjust-in-epilog to simplify the
1963 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
1965 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
1966 (S390_TDC_NEGATIVE_ZERO): New constant.
1967 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
1968 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
1969 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
1970 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
1971 (S390_TDC_POSITIVE_INFINITY): New constant.
1972 (S390_TDC_NEGATIVE_INFINITY): New constant.
1973 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
1974 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
1975 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
1976 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
1977 (S390_TDC_INFINITY): New constant.
1978 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
1979 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
1980 optimization for UNSPEC_CCZ_TO_INT.
1981 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
1982 ("*ccz_to_int"): New insn.
1983 ("isinf<mode>2"): New insn.
1984 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
1985 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
1986 (UNSPEC_CCZ_TO_INT): New constant.
1988 2007-04-18 Richard Guenther <rguenther@suse.de>
1990 PR tree-optimization/19431
1991 PR tree-optimization/21463
1992 * tree-pass.h (pass_phiprop): Declare.
1993 * passes.c (init_optimization_passes): New phiprop pass.
1994 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
1995 (phivn_valid_p): New helper function.
1996 (phiprop_insert_phi): Likewise.
1997 (propagate_with_phi): Likewise.
1998 (tree_ssa_phiprop): New propagator propagating loads
1999 through phi nodes if profitable.
2001 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
2003 * tree-vect-analyze.c (process_use): New function.
2004 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
2005 Check phis in all bbs.
2006 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2009 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
2011 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2014 2007-04-17 Anatoly Sokolov <aesok@post.ru>
2017 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2020 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
2022 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2024 (sse_vmmulv4sf3): Likewise.
2025 (sse2_vmaddv2df3): Likewise.
2026 (sse2_vmmulv2df3): Likewise.
2028 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
2030 PR rtl-optimization/31360
2031 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2032 (target_reg_cost): New.
2033 (init_set_costs): Initialize target_reg_cost. Add comments
2034 regarding the rationale of the costs.
2035 (global_cost_for_size): Renamed to...
2036 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
2037 of register pressure.
2038 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2039 estimate_reg_pressure_cost. Add number of ivs.
2040 (determine_set_costs): Dump target_reg_cost.
2041 * loop-invariant.c (gain_for_invariant): Use
2042 estimate_reg_pressure_cost. Removed n_inv_uses argument.
2043 (best_gain_for_invariant, find_invariants_to_move): Remove
2045 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2046 (target_reg_cost): Declare.
2047 (global_cost_for_size): Declaration removed.
2048 (estimate_reg_pressure_cost): Declare.
2050 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
2052 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2053 regnos into even/odd register pairs.
2054 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2055 TDmode similar to the other floating point modes.
2056 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2057 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2059 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2060 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2061 (movdd_hardfloat64): Use TARGET_MFPGPR.
2063 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
2065 * reload1.c (delete_output_reload): Don't count output in n_inherited.
2068 2005-01-05 Richard Henderson <rth@redhat.com>
2070 * reload1.c (do_input_reload): Restrict the optimization deleteing
2071 a previous output reload to RELOAD_FOR_INPUT.
2073 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
2075 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2076 induc_vec_info_type.
2077 (vectorizable_induction): New function declaration.
2078 * tree-vect-transform.c (get_initial_def_for_induction): No need to
2079 check if already vectorized. Find first place in BB where new stmts
2080 can be inserted. Takes only one argument.
2081 (vectorizable_induction): New function.
2082 (vect_transform_stmt): Add case for induc_vec_info_type to call
2083 vectorizable_induction.
2084 (vect_transform_loop): Consider phis for vectorization.
2085 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2087 (analyze_operations): Call vectorizable_induction when analyzing phis.
2089 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2090 (vect_mark_relevant): Include phis in relevance analysis.
2091 (vect_mark_stmts_to_be_vectorize): Likewise.
2092 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2094 2007-04-16 Lawrence Crowl <crowl@google.com>
2096 * doc/invoke.texi (Debugging Options): Add documentation for the
2097 -femit-struct-debug options -femit-struct-debug-baseonly,
2098 -femit-struct-debug-reduced, and
2099 -femit-struct-debug-detailed[=...].
2101 * c-opts.c (c_common_handle_option): Add
2102 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2103 and OPT_femit_struct_debug_detailed_.
2104 * c.opt: Add specifications for
2105 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2106 and -femit-struct-debug-detailed[=...].
2107 * opts.c (set_struct_debug_option): Parse the
2108 -femit-struct-debug-... options.
2109 * opts.c (matches_main_base, main_input_basename,
2110 main_input_baselength, base_of_path, matches_main_base): Add
2111 variables and functions to compare header base name to compilation
2113 * opts.c (should_emit_struct_debug): Add to determine to emit a
2114 structure based on the option.
2115 (dump_struct_debug) Also disabled function to debug this
2117 * opts.c (handle_options): Save the base name of the
2120 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2121 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2122 This hook indicates if a type is generic. Set it by default
2124 * langhooks.h (struct lang_hooks_for_types): Add a new hook
2125 to determine if a struct type is generic or not.
2126 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2127 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2128 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2131 * flags.h (enum debug_info_usage): Add an enumeration to describe
2132 a program's use of a structure type.
2133 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2134 to indicate the program's usage of the type. Filter structs based
2135 on the -femit-struct-debug-... specification.
2136 (gen_type_die): Split into two routines, gen_type_die and
2137 gen_type_die_with_usage. gen_type_die is now a wrapper
2138 that assumes direct usage.
2139 (gen_type_die_with_usage): Replace calls to gen_type_die
2140 with gen_type_die_with_usage adding the program usage of
2141 the referenced type.
2142 (dwarf2out_imported_module_or_decl): Suppress struct debug
2143 information using should_emit_struct_debug when appropriate.
2145 2007-04-16 Ian Lance Taylor <iant@google.com>
2147 PR tree-optimization/31522
2148 * tree-vrp.c (vr_phi_edge_counts): New static variable.
2149 (vrp_initialize): Allocate vr_phi_edge_counts.
2150 (vrp_visit_phi_node): Don't push to infinity if we saw a new
2151 executable edge. Drop test for all constants.
2152 (vrp_finalize): Free vrp_phi_edge_counts.
2154 * doc/cpp.texi (Common Predefined Macros): Clarify description of
2155 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2157 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2158 predecessors at head rather than tail.
2160 2007-04-16 Matthias Klose <doko@debian.org>
2162 * config/alpha/linux.h (CPP_SPEC): Define.
2163 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2165 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
2167 * function.h: Remove sequence_stack extern declaration.
2169 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2171 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2173 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2176 2007-04-16 Anatoly Sokolov <aesok@post.ru>
2178 * config/avr/avr.c (avr_arch_types): Rearranging array.
2179 (enum avr_arch): Add.
2180 (avr_mcu_types): Use avr_arch enumeration constants instead of
2182 * config/avr/avr.h (LINK_SPEC): Simplify.
2184 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2186 * config/m68k/m68k.c (m68k_libcall_value,
2187 m68k_function_value): Use macros for register names more.
2189 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2191 (M68K_REGNAME): Use A6_REG.
2192 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2194 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2197 * sched-int.h (struct deps): Split field 'pending_lists_length' into
2198 'pending_read_list_length' and 'pending_write_list_length'. Update
2200 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
2201 to handle two length counters instead of one. Update all uses.
2202 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2203 two length counters instead of one.
2204 * sched-rgn.c (propagate_deps): Update to handle two length counters
2207 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
2210 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2211 copy of source, pass it to ix86_expand_vector_set and return
2214 2007-04-16 David Ung <davidu@mips.com>
2215 Joseph Myers <joseph@codesourcery.com>
2217 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2218 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2219 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2220 Add 74K processor information.
2221 * config/mips/mips.md: Include 74k.md.
2222 (cpu): Add 74kc,74kf,74kx.
2223 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2224 * config/mips/74k.md: New.
2225 * doc/invoke.texi (MIPS Options): Document 74K support.
2227 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
2229 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2230 vectorizable_* functions.
2231 * tree-vect-transform.c (vectorizable_call): Add check for
2232 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2233 (vectorizable_store): likewise.
2234 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2236 (vectorizable_operation, vectorizable_type_demotion): Likewise.
2237 (vectorizable_type_promotion, vectorizable_load): Likewise.
2238 (vectorizable_live_operation, vectorizable_condition): Likewise.
2239 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2241 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2243 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2245 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2246 register numbers more.
2247 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2248 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2249 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2250 FUNCTION_VALUE_REGNO_P): Likewise.
2251 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2252 STATIC_CHAIN_REGNUM): Likewise.
2253 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2254 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2255 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2256 * config/m68k/m68k.md (FP_REG): New.
2258 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2260 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2263 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2265 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2266 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2269 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2271 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2274 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2277 * c-decl.c (finish_decl): Grab the type of the decl after the call
2278 to store_init_value.
2280 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
2282 * common.opt (fforward-propagate): Fix "Optimization" annotation.
2284 2007-04-14 Jakub Jelinek <jakub@redhat.com>
2287 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2288 post dominators and cleanup cfg before returning.
2290 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
2292 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2293 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2295 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
2297 * config.gcc: Recognize fido.
2298 * config/m68k/m68k-devices.def (fidoa): New.
2299 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2301 (FL_FIDOA, TARGET_FIDOA): New.
2302 * config/m68k/m68k.opt (mfidoa): New.
2304 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2307 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2308 when a personality function is used.
2310 2007-04-13 Bob Wilson <bob.wilson@acm.org>
2312 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2314 2007-04-13 Mike Stump <mrs@apple.com>
2316 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2318 * config/darwin.opt (fapple-kext): Make C++ only.
2319 * config/darwin.c (darwin_override_options): Remove code to ensure
2320 -fapple-kext is given for C++ only.
2322 2007-04-13 Richard Sandiford <richard@codesourcery.com>
2324 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2325 * config/mips/mips.c (override_options): Call
2326 SUBTARGET_OVERRIDE_OPTIONS, if defined.
2328 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2330 * config/i386/i386.opt (msvr3-shlib): Removed.
2332 * doc/invoke.texi: Remove -msvr3-shlib.
2334 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2336 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2337 with "popcnt" instruction.
2339 2007-04-13 Richard Guenther <rguenther@suse.de>
2341 PR tree-optimization/21258
2342 * tree-vrp.c (compare_case_labels): New helper.
2343 (find_switch_asserts): New function.
2344 (find_assert_locations): Call it for SWITCH_EXPRs.
2346 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
2348 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2349 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2350 check is now implied in X87_FLOAT_MODE_P.
2351 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2352 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2353 (fix_trunc<mode>_i386_fisttp): Ditto.
2354 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2355 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2356 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2357 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2358 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2359 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2360 (unnamed_splitters): Ditto.
2361 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2362 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
2363 FIRST_SSE_REG for local functions when SSE math is enabled or
2364 for functions with sseregparm attribute.
2365 (standard_80387_constant_p): Return -1 if mode is not
2367 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2368 (ix86_expand_compare): Ditto.
2369 (ix86_expand_carry_flag_compare): Ditto.
2370 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2371 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2372 DECIMAL_FLOAT_MODE_P.
2373 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2374 of SCALAR_FLOAT_MODE_P.
2375 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2376 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2377 checks before FLOAT_MODE_P.
2378 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2379 before FLOAT_MODE_P.
2384 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2386 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
2387 Charles Wilson <libtool@cwilson.fastmail.fm>
2389 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2390 (libgcc.mvars): Don't depend on them.
2391 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2392 * exec-tool.in: New.
2394 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
2396 * doc/invoke.text (--help): Document --help=common.
2398 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
2400 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2402 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2404 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2405 * genemit.c (main): Emit #include "integrate.h".
2406 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2407 (LOADGP_RTP): New mips_loadgp_style.
2408 * config/mips/mips.h: Include config/vxworks-dummy.h.
2409 (TARGET_RTP_PIC): New macro.
2410 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2411 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2412 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2414 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
2415 -mvxworks-pic when using -mrtp and a PIC option.
2416 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2418 (mips_symbolic_constant_p, mips_symbolic_address_p)
2419 (mips_symbol_insns): Handle SYMBOL_HALF.
2420 (override_options): Warn about -G and -mrtp being used together.
2421 Initialize mips_lo_relocs[SYMBOL_HALF].
2422 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2423 (mips_emit_loadgp): Handle LOADGP_RTP.
2424 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2425 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2426 (tablejump): Handle function-relative case table entries if
2428 * config/mips/predicates.md (symbol_ref_operand): New predicate.
2430 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2432 * config/mips/mips.md (load_call<mode>): Allow any general register.
2434 (sibcall_value_internal, sibcall_value_multiple_internal)
2435 (call_value_internal, call_value_split, call_value_multiple_internal)
2436 (call_value_multiple_split): Remove constraints from operand 0.
2438 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2440 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2441 rather than loadgp_noshared.
2442 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2443 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
2445 * config/mips/mips.md (loadgp): Rename to...
2446 (loadgp_newabi): ...this.
2447 (loadgp_noshared): Rename to...
2448 (loadgp_absolute): ...this.
2450 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2452 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2453 false for locally-binding symbols.
2454 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2456 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2458 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2459 (SYMBOL_GOT_PAGE_OFST): ...this.
2460 (SYMBOL_GOT_GLOBAL): Rename to...
2461 (SYMBOL_GOT_DISP): ...this.
2462 (SYMBOL_GOTOFF_GLOBAL): Rename to...
2463 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
2464 * config/mips/mips.c (mips_global_symbol_p): New function.
2465 (mips_symbol_binds_local_p): Likewise.
2466 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2467 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
2468 and mips_symbol_binds_local_p.
2469 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2470 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2471 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2473 (mips_ok_for_lazy_binding_p): New function.
2474 (mips_load_call_address, mips_expand_call): Use it.
2475 (mips_dangerous_for_la25_p): Likewise.
2476 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2477 (*got_disp<mode>): Use got_disp_operand instead of
2478 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
2479 SYMBOL_GOTOFF_GLOBAL.
2480 (*got_page<mode>): Use got_page_ofst_operand instead of
2482 * config/mips/predicates.md (const_call_insn_operand): Use
2483 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2484 (global_got_operand): Rename to...
2485 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2487 (local_got_operand): Rename to...
2488 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2489 of SYMBOL_GOT_LOCAL.
2491 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2493 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2494 TARGET_CALL_CLOBBERED_GP.
2495 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2496 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2497 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2498 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2499 of TARGET_ABICALLS && !TARGET_NEWABI.
2500 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2501 * config/mips/mips.c (mips_load_call_address): Check
2502 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2503 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2504 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2505 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2506 TARGET_ABICALLS && TARGET_NEWABI.
2507 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2509 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2510 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2511 TARGET_ABICALLS && TARGET_NEWABI.
2512 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2513 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
2514 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
2515 whether indirect calls must use $25.
2516 (mips_extra_live_on_entry): Check TARGET_GOT instead of
2518 * config/mips/mips.md (jal_macro): Check flag_pic and
2519 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2520 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2521 instead of TARGET_ABICALLS.
2522 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2523 TARGET_ABICALLS && TARGET_OLDABI.
2524 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2525 (sibcall): In the comment above the define_insn, mention
2526 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2527 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2528 instead of TARGET_ABICALLS.
2530 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
2532 * doc/md.texi (Blackfin family constraints): Document PA and PB.
2533 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2534 (MACFLAGS_MATCH_P): New macro.
2535 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2536 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2537 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
2538 the other MACFLAG constants.
2539 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2540 (flag_machi): Tighten constraints. Renumber some of the operands.
2541 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
2543 (flag_machi_parts_acconly): New pattern.
2544 (flag_macinithi): Tighten constraints. Allow any accumulator to be
2546 (flag_macinit1hi): Tighten constraints.
2547 (flag_mul_macv2hi_parts_acconly): New pattern.
2549 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2550 Use a more efficient implementation.
2551 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2552 inline sequences when not optimizing for size.
2554 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2555 movhi_high2low): Delete, merge functionality into...
2556 (packv2hi): ... this pattern.
2558 2007-02-11 Jie Zhang <jie.zhang@analog.com>
2559 * config/bfin/bfin.opt (msim): New option.
2560 (mcpu=): New option.
2561 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2562 (bfin_cpu_t): Typedef of enum bfin_cpu.
2563 (bfin_cpu_type): New declaration.
2564 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2565 -msim and -mcpu= options.
2566 (LIB_SPEC): Likewise.
2567 * config/bfin/bfin.c (bfin_cpu_type): Define.
2568 (bfin_handle_option): Handle -mcpu= option.
2569 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2570 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2571 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2573 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2575 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2576 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2577 (powerpc-wrs-vxworksae): Use ${tm_file}.
2578 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2579 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
2580 * config/i386/vx-common.h: New file.
2582 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2584 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2587 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
2589 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2592 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
2596 * c-common.c (c_build_qualified_type): Set canonical type
2599 2007-04-12 Richard Guenther <rguenther@suse.de>
2601 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2602 lower bound and element size if lower bound is not zero
2603 or either of the ARRAY_REF operands is set.
2605 2007-04-12 Richard Guenther <rguenther@suse.de>
2607 PR tree-optimization/24689
2608 PR tree-optimization/31307
2609 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2611 * gimplify.c (canonicalize_addr_expr): To be consistent with
2612 gimplify_compound_lval only set operands two and three of
2613 ARRAY_REFs if they are not gimple_min_invariant. This makes
2614 it never at this place.
2615 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2617 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2619 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2620 null before emitting a .nsubspa directive.
2622 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2624 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2625 need_to_partition_p if there are no memory statements in the
2628 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2630 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2631 (gcd_of_steps_may_divide_p): New function.
2632 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
2634 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2636 * reload.c (find_reloads_toplev, find_reloads_address,
2637 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
2638 not a pointer equality test, to decide if we need to call
2639 push_reg_equiv_alt_mem.
2641 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
2643 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
2644 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
2645 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
2647 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2649 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
2650 vector to be positive.
2652 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2656 * doc/invoke.texi: Document --params max-aliased-vops and
2658 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
2659 debug_memory_partitions): Move to tree-flow.h
2660 * params.h (AVG_ALIASED_VOPS): Define.
2661 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
2663 (mp_info_t): Likewise.
2664 (get_mem_sym_stats_for): New.
2665 (set_memory_partition): Move from tree-flow-inline.h.
2666 (mark_non_addressable): Only clear the set of symbols for the
2667 partition if it exists.
2668 (dump_memory_partitions): Move from tree-ssa-operands.c
2669 (debug_memory_partitions): Likewise.
2670 (need_to_partition_p): New.
2671 (dump_mem_ref_stats): New.
2672 (debug_mem_ref_stats): New.
2673 (dump_mem_sym_stats): New.
2674 (debug_mem_sym_stats): New.
2675 (update_mem_sym_stats_from_stmt): New.
2676 (compare_mp_info_entries): New.
2677 (mp_info_cmp): Call it.
2678 (sort_mp_info): Change argument to a list of mem_sym_stats_t
2680 (get_mpt_for): Move from tree-ssa-operands.c.
2681 (find_partition_for): New.
2682 (create_partition_for): Remove.
2683 (estimate_vop_reduction): New.
2684 (update_reference_counts): New.
2685 (build_mp_info): New.
2686 (compute_memory_partitions): Refactor.
2687 Document new heuristic.
2688 Call build_mp_info, update_reference_counts,
2689 find_partition_for and estimate_vop_reduction.
2690 (compute_may_aliases): Populate virtual operands before
2691 calling debugging dumps.
2692 (delete_mem_sym_stats): New.
2693 (delete_mem_ref_stats): New.
2694 (init_mem_ref_stats): New.
2695 (init_alias_info): Call it.
2696 (maybe_create_global_var): Remove alias_info argument.
2697 Get number of call sites and number of pure/const call sites
2698 from gimple_mem_ref_stats().
2699 (dump_alias_info): Call dump_memory_partitions first.
2700 (dump_points_to_info_for): Show how many times a pointer has
2702 * opts.c (decode_options): For -O2 set --param
2703 max-aliased-vops to 500.
2704 For -O3 set --param max-aliased-vops to 1000 and --param
2705 avg-aliased-vops to 3.
2706 * fortran/options.c (gfc_init_options): Remove assignment to
2708 * tree-flow-inline.h (gimple_mem_ref_stats): New.
2709 * tree-dfa.c (dump_variable): Dump memory reference
2711 Dump NO_ALIAS* settings.
2712 (referenced_var_lookup): Tidy.
2713 (mem_sym_stats): New.
2714 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
2715 and ORIG are different SSA names for a memory partition.
2716 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
2717 * tree-flow.h (struct mem_sym_stats_d): Define.
2718 (mem_sym_stats_t): Define.
2719 (struct mem_ref_stats_d): Define.
2720 (struct gimple_df): Add field mem_ref_stats.
2721 (enum noalias_state): Define.
2722 (struct var_ann_d): Add bitfield noalias_state.
2723 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
2724 debug_mem_ref_stats, debug_memory_partitions,
2725 debug_mem_sym_stats): Declare.
2726 * tree-ssa-structalias.c (update_alias_info): Update call
2727 sites, pure/const call sites and asm sites in structure
2728 returned by gimple_mem_ref_stats.
2729 Remove local variable IS_POTENTIAL_DEREF.
2730 Increase NUM_DEREFS if the memory expression is a potential
2732 Call update_mem_sym_stats_from_stmt.
2733 If the memory references memory, call
2734 update_mem_sym_stats_from_stmt for all the direct memory
2735 symbol references found.
2736 (intra_create_variable_infos): Set noalias_state field for
2737 pointer arguments according to the value of
2738 flag_argument_noalias.
2739 * tree-ssa-structalias.h (struct alias_info): Remove fields
2740 num_calls_found and num_pure_const_calls_found.
2741 (update_mem_sym_stats_from_stmt): Declare.
2742 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
2743 Set default value to 100.
2744 (PARAM_AVG_ALIASED_VOPS): Define.
2746 2007-04-11 Richard Guenther <rguenther@suse.de>
2749 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
2750 a * -b + c as c - a * b if we honor sign dependent rounding.
2752 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
2754 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
2756 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
2757 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
2759 (initialize_trampoline): Don't use old-style function definition.
2760 (bfin_secondary_reload): Mark IN_P argument as unused.
2762 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
2764 PR tree-optimization/31343
2765 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
2766 (build_polynomial_chrec): Return a scalar when the evolution is zero.
2767 * testsuite/gcc.dg/vect/pr31343.c: New.
2769 2007-04-10 Eric Christopher <echristo@apple.com>
2771 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
2772 * config/i386/i386.md (*cmpfp0): Use.
2773 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2774 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2775 (fix_trunc<mode>_i386_fisttp): Ditto.
2776 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2777 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2778 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2779 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2780 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2781 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2782 (unnamed_splitters): Ditto.
2783 * config/i386/i386.c (output_fix_trunc): Assert that
2784 we're not being passed a TFmode operand.
2786 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
2788 PR tree-optimization/31526
2789 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
2790 n_basic_blocks to find newly added blocks.
2792 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
2794 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
2796 (fix_trunc<mode>si_sse): Ditto.
2797 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
2798 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
2799 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
2800 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
2801 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
2802 expander using SSEMODEF mode macro.
2803 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
2804 expander using SSEMODEF mode macro.
2805 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
2806 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
2807 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
2808 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
2809 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
2810 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
2811 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
2812 Macroize insn using X87MODEF mode macro.
2814 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
2816 * config/i386/sse.md (sse2_pinsrw): Removed.
2817 (sse2_pextrw): Renamed to ...
2818 (*sse2_pextrw): This.
2820 2007-04-09 Jan Hubicka <jh@suse.cz>
2823 * config/i386/sse.md
2824 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
2825 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
2826 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
2827 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
2829 2007-04-09 Jan Hubicka <jh@suse.cz>
2831 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
2832 multiple fields of union.
2834 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
2836 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
2837 (create_preheaders): Check that loops are available.
2838 (fix_loop_structure): Clean up, improve comments.
2839 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
2840 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
2842 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
2843 * predict.c (tree_estimate_probability): Do not call
2844 calculate_dominance_info. Call create_preheaders.
2845 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
2846 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
2848 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
2849 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
2850 * tree-cfg.c (tree_split_edge): Make an assert more precise.
2851 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
2854 2007-04-08 Jan Hubicka <jh@suse.cz>
2856 * tree.h (maybe_fold_offset_to_component_ref): Declare.
2857 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
2858 * fold-const.c (fold_unary): Use it.
2860 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
2862 * varasm.c (assemble_variable): Remove call to
2863 lang_hooks.decls.prepare_assemble_variable.
2864 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
2865 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
2866 * langhooks.h (lang_hooks_for_decls): Remove
2867 prepare_assemble_variable.
2869 2007-04-08 Mike Stump <mrs@apple.com>
2871 * config/i386/i386.c: Use inc/dec on Core2.
2873 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
2875 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
2876 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2877 lhd_tree_inlining_end_inlining): Remove.
2878 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
2879 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
2881 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
2882 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
2883 lhd_tree_inlining_end_inlining): Remove prototypes.
2884 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
2885 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
2886 LANG_HOOKS_TREE_INLINING_START_INLINING,
2887 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
2889 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
2892 2007-04-08 Anatoly Sokolov <aesok@post.ru>
2895 * config/avr/predicates.md (io_address_operand): Delete predicate.
2896 (low_io_address_operand): Don't use 'mode' argument.
2897 (higth_io_address_operand): Rename ...
2898 (high_io_address_operand): ... to this. Don't use 'mode' argument.
2899 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
2902 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
2904 Revert change removing staticp.
2906 2007-04-07 Anatoly Sokolov <aesok@post.ru>
2909 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
2912 2007-04-07 Bruce Korb <bkorb@gnu.org>
2914 * c.opt: Add -Wformat-contains-nul.
2915 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
2917 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
2918 the NUL byte warning.
2920 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
2922 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
2924 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2926 * tree.c (staticp): No longer use staticp langhook.
2927 * langhooks.c (lhd_staticp): Removed.
2928 * langhooks.h (struct lang_hooks): Remove staticp.
2929 * c-common.c (c_staticp): Remove.
2930 * c-common.h (c_staticp): Ditto.
2931 * langhooks-defs.h (lhd_staticp): Ditto.
2932 (LHD_HOOKS_STATICP): Ditto
2933 * tree.h (gcc_assert_lowered): New macro.
2935 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
2937 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
2938 argument "reliable".
2939 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
2940 Add argument "reliable". Propagate it through calls.
2941 (infer_loop_bounds_from_undefined): Derive number of iterations
2942 estimates from references in blocks that do not dominate loop latch.
2943 (gcov_type_to_double_int): New function.
2944 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
2945 and expected_loop_iterations_unbounded.
2946 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
2947 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
2948 * tree-data-ref.c (estimated_loop_iterations): Export.
2949 (get_references_in_stmt): Fix -- do not return addresses of local
2951 * cfgloop.h (expected_loop_iterations_unbounded,
2952 estimated_loop_iterations): Declare.
2954 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
2956 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2958 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2960 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
2961 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
2962 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
2963 Use output_387_reg_move().
2964 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
2965 expander using X87MODEF12 mode macro.
2966 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
2967 choosing register preferences. Use output_387_reg_move().
2968 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
2969 instead of "x". Use output_387_reg_move().
2970 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
2971 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
2972 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
2973 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
2974 Use output_387_reg_move().
2975 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
2977 (*truncxf?f_i387 splitter): Ditto.
2979 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
2981 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
2982 LANG_HOOKS_SAFE_FROM_P.
2983 * expr.c (safe_from_p): Remove langhook call.
2984 * langhooks.h (lang_hooks): Remove safe_from_p.
2985 (lhd_safe_from_p): Remove prototype.
2986 * langhooks.c (lhd_safe_from_p): Remove.
2988 2007-04-06 Jan Hubicka <jh@suse.cz>
2990 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
2993 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
2995 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
2996 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
2997 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
2998 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
3000 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
3001 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
3003 2007-04-05 Richard Henderson <rth@redhat.com>
3005 * config/alpha/alpha.c (print_operand) [+]: Remove.
3006 (alpha_end_function): Print nop if call at end of function.
3007 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3008 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3009 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3010 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3011 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3012 the call pattern. Update peepholes to match.
3014 2007-04-05 Janis Johnson <janis187@us.ibm.com>
3016 * doc/extend.texi (Other Builtins): Add decimal float variants
3018 * builtins.def: Ditto.
3019 * builtins.c (expand_builtin): Ditto.
3021 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
3022 H.J. Lu <hongjiu.lu@intel.com>
3025 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3026 of V8HImode when calling ix86_binary_operator_ok.
3027 (sse2_pmaddwd): Call ix86_binary_operator_ok.
3028 (sdot_prodv8hi): Operands 1 and 2 must be register.
3030 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3032 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3033 initialize align to silence bogus warning.
3035 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3038 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
3040 (struct sra_walk_fns): Remove use_all parameter from use.
3041 (sra_hash_tree): Handle BIT_FIELD_REFs.
3042 (sra_elt_hash): Don't hash bitfld blocks.
3043 (sra_elt_eq): Skip them in parent compares as well. Handle
3045 (sra_walk_expr): Don't maintain or pass down use_all_p.
3046 (scan_use): Remove use_all parameter.
3047 (scalarize_use): Likewise. Re-expand assignment to
3048 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
3049 output, and re-scalarize after output. Don't mark anything
3051 (scalarize_ldst): Adjust.
3052 (scalarize_walk_gimple_modify_statement): Likewise.
3053 (build_element_name_1): Handle BIT_FIELD_REFs.
3054 (instantiate_element): Don't warn for any element whose parent
3056 (instantiate_missing_elements_1): Return the sra_elt.
3057 (canon_type_for_field): New.
3058 (try_instantiate_multiple_fields): New.
3059 (instantiate_missing_elemnts): Use them.
3060 (mark_no_warning): Removed.
3061 (generate_one_element_ref): Handle BIT_FIELD_REFs.
3062 (REPLDUP, sra_build_elt_assignment): New.
3063 (generate_copy_inout): Use them.
3064 (generate_element_copy): Likewise. Handle bitfld differences.
3065 (generate_element_zero): Don't recurse for blocks. Use
3066 sra_build_elt_assignment.
3067 (generate_one_element_int): Take elt instead of var. Use
3068 sra_build_elt_assignment.
3069 (generate_element_init_1): Adjust.
3070 (scalarize_use, scalarize_copy): Use REPLDUP.
3071 (scalarize_ldst): Move assert before dereference.
3072 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3074 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3076 * regmove.c: Fix unused variable warnings due to previous commit.
3078 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3080 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3081 (regmove_bb_head): Remove.
3082 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3083 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3084 problems with fixup_match_1.
3085 Don't initialize/free regmove_bb_head.
3087 (reg_is_remote_constant_p): If an insn is in the same basic block
3088 but not before INSN, consider it remote, too.
3090 2007-04-05 Anatoly Sokolov <aesok@post.ru>
3093 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3094 DECL_ASSEMBLER_NAME, not the DECL_NAME.
3096 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
3098 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3099 (CONDITIONAL_REGISTER_USAGE): Likewise.
3101 2007-04-04 Richard Henderson <rth@redhat.com>
3103 * config/alpha/lib1funcs.asm: Remove unused file.
3105 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3108 * opts.c (print_specific_help): Fix --help=<language>
3110 (common_handle_option): Support --help=common.
3112 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3115 * gcc.c (main): Do not run the linker if
3116 print_subprocess_help indicates that it shouldn't be
3119 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3122 * doc/invoke.texi (--help=): Document <languages> value, fix
3123 formatting in tables of values.
3125 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
3127 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3128 dllimport attribute of virtual methods.
3130 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
3132 * config/score/crti.asm: Change _bss_start to __bss_start.
3133 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3134 (OUTGOING_REG_PARM_STACK_SPACE) update.
3135 * config/score/score.opt: add options to make backend support
3136 score5, score5u, score7 and score7d.
3137 * config/score/score.md: Likewise.
3138 * config/score/misc.md: Likewise.
3139 * config/score/mac.md: Likewise.
3140 * doc/invoke.texi: Likewise.
3141 * doc/md.texi: update constraints define.
3143 2007-04-03 Richard Henderson <rth@redhat.com>
3145 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3146 an appropriate type, use the mode instead.
3148 2007-04-03 Richard Sandiford <richard@codesourcery.com>
3150 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3151 Set the default --with-arch setting to mips2.
3152 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3153 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3154 (MULTILIB_OSDIRNAMES): Delete.
3155 (MULTILIB_DIRNAMES): Define.
3156 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3157 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3158 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3159 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
3160 VXWORKS_OS_CPP_BUILTINS.
3161 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3162 (MIPS_DEBUGGING_INFO): Undefine.
3163 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3165 2007-04-03 Jakub Jelinek <jakub@redhat.com>
3168 * fold-const.c (native_encode_real): Encode real.c provided longs
3169 as a series of 32-bit native integers.
3170 (native_interpret_real): Interpret buffer as a series of 32-bit
3173 2007-04-03 Richard Guenther <rguenther@suse.de>
3175 * genpreds.c (write_insn_constraint_len): Write function
3176 optimized for CONSTRAINT_LEN implementation.
3177 (write_tm_preds_h): Output insn_constraint_len inline and
3178 use it for CONSTRAINT_LEN.
3179 (write_insn_preds_c): Don't output insn_constraint_len.
3180 * doc/md.texi (define_register_constraint): Document multi-letter
3181 constraints shall have the same length if they start with the same
3184 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3187 * config/i386/i386.md (isinf<mode>2): Expand only when
3188 TARGET_C99_FUNCTIONS is set.
3190 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3192 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3193 (x86_64-*-linux*): Ditto.
3194 * config/i386/i386.opt (mpc): New option.
3195 * config/i386/i386.c (overrride_options): Handle
3196 ix87_precision_string.
3197 * config/i386/crtprec.c: New file.
3198 * config/i386/t-crtpc: Ditto.
3199 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3201 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3202 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3203 crtprec32.o, crtprec64.o and crtprec80.o.
3205 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3207 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3209 2007-04-02 Eric Christopher <echristo@apple.com>
3211 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3212 limitations on darwin.
3214 2007-04-02 Anatoly Sokolov <aesok@post.ru>
3217 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3219 2007-04-02 Dave Korn <dave.korn@artimi.com>
3221 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3223 2007-04-02 Dave Korn <dave.korn@artimi.com>
3225 * libgcc2.h (exception_descriptor): Don't forward-declare.
3226 (__get_eh_table_language, __get_eh_table_version): Delete
3227 prototypes of long-dead functions.
3229 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
3231 * ebitmap.h: New file
3232 * ebitmap.c: New file
3233 * Makefile.in (ebitmap.o): New target.
3235 2007-04-01 Jan Hubicka <jh@suse.cz>
3237 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3238 before very first instruction.
3240 2007-04-01 Jan Hubicka <jh@suse.cz>
3242 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3243 waring on 64bit hosts.
3244 * bitmap.h: Fix typo in bitmap_head_def.
3246 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
3248 PR rtl-optimization/31391
3249 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3250 into a DELETED_LABEL note, and the label is in an empty basic
3251 block, update BB_END as well as BB_HEAD.
3253 2007-04-01 Richard Henderson <rth@redhat.com>
3255 PR tree-optimization/31169
3256 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3257 to varying if the range is outside [0, prec-1].
3259 2007-04-01 Richard Sandiford <richard@codesourcery.com>
3262 * config/mips/mips.md (load_const_gp): New insn.
3263 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3264 the MIPS16 GP pseudo register if no_new_pseudos.
3265 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3267 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3270 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3272 (call_value): Likewise.
3274 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
3275 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3278 * doc/invoke.texi: (optimization options): Reword description
3279 of -ffast-math. Document its primary purpose.
3281 2007-03-31 Richard Guenther <rguenther@suse.de>
3283 * omp-low.c (splay-tree.h): Include.
3284 (lookup_decl): Replace splay-tree usage by pointer-map.
3285 (maybe_lookup_decl): Likewise.
3286 (new_omp_context): Likewise.
3287 (delete_omp_context): Likewise.
3288 * gimplify.c (splay-tree.h): Include.
3289 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3291 (remap_ssa_name): Likewise.
3292 (remap_decl): Likewise.
3293 (remap_type_1): Likewise.
3294 (remap_type): Likewise.
3295 (copy_body_r): Likewise.
3296 (expand_call_inline): Likewise.
3297 (clone_body): Likewise.
3298 (copy_tree_r): Likewise.
3299 (remap_save_expr): Likewise.
3300 (unsave_r): Likewise.
3301 (unsave_expr_now): Likewise.
3302 (tree_function_versioning): Likewise.
3303 (build_duplicate_type): Likewise.
3304 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3305 (struct copy_body_data): Replace splay-tree by pointer-map.
3306 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3307 not $(SPLAY_TREE_H).
3308 (gimplify.o): Depend on $(SPLAY_TREE_H).
3309 (omp-low.p): Likewise.
3311 2007-03-31 Anatoly Sokolov <aesok@post.ru>
3313 * config/avr/predicates.md (even_register_operand,
3314 odd_register_operand): New predicates.
3315 * config/avr/avr.md (movw peephole2): New.
3316 (movw_r peephole2): New.
3318 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
3320 * tree.h (get_signed_or_unsigned_type): New.
3321 * fold-const.c (operand_equal_for_comparison_p): Use
3322 get_signed_or_unsigned_type instead of
3323 lang_hooks.types.signed_or_unsigned_type.
3324 * expr.c (store_expr): Ditto.
3325 * langhooks.c (get_signed_or_unsigned_type): New.
3326 (lhd_signed_or_unsigned_type): New.
3327 * langhooks.h (lhd_signed_or_unsigned_type): New.
3328 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3330 2007-03-30 Richard Henderson <rth@redhat.com>
3332 * tree-ssa-loop-ivopts.c: Include target.h.
3333 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3334 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3335 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3336 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3338 2007-03-30 Richard Henderson <rth@redhat.com>
3339 Kai Tietz <kai.tietz@onevision.com>
3341 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3343 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3344 (TARGET_64BIT_MS_ABI): New.
3345 (DBX_REGISTER_NUMBER): Handle 64-bit.
3346 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3347 (LONG_TYPE_SIZE): Force to 32.
3348 (REG_PARM_STACK_SPACE): New.
3349 (OUTGOING_REG_PARM_STACK_SPACE): New.
3350 (REGPARM_MAX, SSE_REGPARM_MAX): New.
3351 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3352 (STACK_BOUNDARY): Use 128 for 64-bit.
3353 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3354 Add 64-bit implementation.
3355 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3357 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3358 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3359 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3360 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3361 (ix86_handle_cconv_attribute): Don't warn when ignoring if
3362 TARGET_64BIT_MS_ABI.
3363 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3364 (ix86_pass_by_reference): Likewise.
3365 (ix86_function_value_regno_p): Likewise.
3366 (ix86_build_builtin_va_list): Likewise.
3367 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3368 (function_arg_advance_ms_64): New.
3369 (function_arg_advance): Call it.
3370 (function_arg_ms_64): New.
3371 (function_arg): Call it.
3372 (function_value_ms_64): New.
3373 (ix86_function_value_1): Call it.
3374 (return_in_memory_ms_64): New.
3375 (ix86_return_in_memory): Call it.
3376 (setup_incoming_varargs_ms_64): New.
3377 (ix86_setup_incoming_varargs): Call it.
3378 (ix86_expand_prologue): Handle 64-bit stack probing.
3379 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3380 (output_pic_addr_const): Likewise.
3381 (x86_this_parameter): Likewise.
3382 (x86_output_mi_thunk): Likewise.
3383 (x86_function_profiler): Likewise.
3384 (TARGET_STRICT_ARGUMENT_NAMING): New.
3385 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3386 (TARGET_64BIT_MS_ABI): New.
3387 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3388 * config/i386/i386.md (allocate_stack_worker): Remove.
3389 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3390 describe the clobber of eax without a match_scratch.
3391 (allocate_stack_worker_postreload): Remove.
3392 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3393 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3394 (allocate_stack_worker_rex64_postreload): Remove.
3395 (allocate_stack): Handle 64-bit.
3396 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3397 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3398 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3399 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3400 (STANDARD_STARTFILE_PREFIX_1): Likewise.
3401 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3402 * config.build (x86_64-*-mingw*): New host.
3403 * config.host (x86_64-*-mingw*): New host.
3404 * config.gcc (x86_64-*-mingw*): New target.
3405 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3407 2007-03-30 Richard Henderson <rth@redhat.com>
3408 Kai Tietz <kai.tietz@onevision.com>
3410 * c-pragma.c (struct def_pragma_macro_value): New.
3411 (struct def_pragma_macro): New.
3412 (pushed_macro_table): New.
3413 (dpm_hash, dpm_eq): New.
3414 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3415 (init_pragma): Install them.
3416 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3418 2007-03-30 Anatoly Sokolov <aesok@post.ru>
3420 * config/avr/avr.c (avr_override_options): Clear
3421 'flag_delete_null_pointer_checks'.
3423 2007-03-30 Paolo Carlini <pcarlini@suse.de>
3426 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3427 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3428 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3429 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3430 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3431 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3432 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3434 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3436 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
3438 * regmove.c: Move all of pass_stack_adjustments from here...
3439 * combine-stack-adj.c: ...to this new file.
3440 * Makefile.in: Add rules for combine-stack-adj.o.
3442 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
3444 PR tree-optimization/31383
3445 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3446 to have the same length.
3448 2007-03-30 Jan Hubicka <jh@suse.cz>
3451 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3452 availablility; add more sanity checking; ask varpool only about
3455 2007-03-29 Richard Henderson <rth@redhat.com>
3457 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3458 to decide, but __SIZEOF_LONG_LONG__.
3460 2007-03-29 Richard Henderson <rth@redhat.com>
3462 * emutls.c (struct __emutls_array): New.
3463 (emutls_destroy): Use it instead of casting element 0 from void*.
3464 (__emutls_get_address): Likewise.
3466 2007-03-29 Richard Henderson <rth@redhat.com>
3468 * varasm.c (initializer_constant_valid_p): Don't deny
3469 DECL_DLLIMPORT_P on functions.
3471 * config/i386/cygming.h: Remove function declarations.
3472 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3473 (ASM_OUTPUT_LABELREF): Remove.
3474 (COMMON_ASM_OP): Remove.
3475 (ASM_OUTPUT_COMMON): Remove.
3476 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3477 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3478 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3479 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3480 Rename from TARGET_ENCODE_SECTION_INFO.
3481 * config/i386/netware.h: Likewise.
3482 * config/i386/i386-protos.h: Update.
3483 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3484 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3485 (legitimate_constant_p): Reject dllimports.
3486 (dllimport_map, get_dllimport_decl): New.
3487 (legitimize_dllimport_symbol): New.
3488 (legitimize_address, ix86_expand_move): Use it.
3489 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3490 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3491 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3492 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3493 * config/i386/predicates.md (constant_call_address_operand): Only
3494 accept symbols; reject dllimport_p symbols.
3495 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3496 i386_pe_maybe_record_exported_symbol.
3497 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3498 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3499 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3500 trust the setting of DECL_DLLIMPORT_P.
3501 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3502 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3503 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3504 tidy the argument scanning loop.
3505 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3506 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3507 (i386_pe_strip_name_encoding): Remove.
3508 (i386_pe_binds_local_p): New.
3509 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3510 (i386_pe_output_labelref): Remove.
3511 (i386_pe_asm_output_aligned_decl_common): New.
3512 (i386_pe_maybe_record_exported_symbol): Rename from
3513 i386_pe_record_exported_symbol; check for dllexported symbols.
3515 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
3517 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3518 add comment explaining why vsnprintf cannot be used.
3520 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
3522 PR tree-optimization/30666
3523 * tree.c (build_complex_type): When creating type names for DWARF2
3524 debug info, create TYPE_DECLs for TYPE_NAME instead of
3526 (build_common_tree_nodes_2): Use build_complex_type when building
3527 predefined complex types, to preserve canonical types.
3529 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
3531 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3532 (noce_get_alt_condition): Look at it to determine whether to
3533 reverse the condition or not.
3534 (noce_get_condition): Substitute the truth for lies.
3535 (noce_find_if_block): Set the then_else_reversed field.
3537 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
3539 * config/fr30/fr30.md (movdi): Do not accept immediates as the
3540 destination of this insn.
3541 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3542 than calling gen_rtx_SET directly. Use r0 to hold the value of
3543 'address + 4' rather than a stack based temporary which can be
3546 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3548 * config/s390/s390.c (s390_secondary_input_reload_class,
3549 s390_secondary_output_reload_class): Functions removed.
3550 (s390_secondary_reload): New function.
3551 (TARGET_SECONDARY_RELOAD): Target macro defined.
3552 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3553 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3554 * config/s390/s390.md ("reload_outti", "reload_outdi",
3555 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3556 "reload_out<mode>"): Expanders removed.
3557 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3558 "reload<mode>_nonoffmem_out"): Expanders added.
3560 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3562 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3563 SRC->DEST replacement failed anyway.
3565 2007-03-28 Mike Stump <mrs@apple.com>
3567 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3568 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3569 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3571 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3573 * config.gcc: Accept barcelona as a variant of amdfam10.
3574 * config/i386/i386.c (override_options): Likewise.
3575 * doc/invoke.texi: Likewise.
3577 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
3579 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3580 offsets for BIT_FIELD_REF and COMPONENT_REF.
3582 2007-03-28 Richard Guenther <rguenther@suse.de>
3584 * tree.c (is_global_var): Move ...
3585 * tree-flow-inline.h (is_global_var): ... here.
3586 * tree.h (is_global_var): Remove declaration.
3588 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
3590 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3592 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3593 * config/i386/i386.c (ix86_tune_features): Initialize new
3595 * config/i386/predicates.md (promotable_binary_operator): Use
3596 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3598 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3601 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3603 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
3605 * config/fr30/fr30.md (movsi_internal): Change destination
3606 constraint from m to V and add m to the end.
3608 2007-03-28 Christian Bruel <christian.bruel@st.com>
3610 * config/sh/sh.md (movsi_i): Fix type attribute.
3612 2007-03-28 Christian Bruel <christian.bruel@st.com>
3614 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3615 (movsf_ie): Likewise.
3617 2007-03-28 Christian Bruel <christian.bruel@st.com>
3619 * config.gcc: Add sh4-300 to multilib.
3620 * config/sh/t-mlib-sh4-300: New file.
3622 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
3624 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3625 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3627 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3628 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3629 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3630 "fixuns_trunctddi2"): Whitespace fix.
3632 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3634 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
3635 the definition of struct sh_args.
3636 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
3637 CALL_COOKIE_INT_REG_GET): Likewise.
3639 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
3641 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
3642 transformations are applied successfully.
3644 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
3646 * tree.c (tree_contains_struct): Permit 512 tree codes.
3647 * tree.h (tree_contains_struct): Ditto.
3648 (MAX_TREE_CODES): Ditto.
3649 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
3650 SPARE member to store remaining padding bits.
3652 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3654 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
3657 2007-03-27 Janis Johnson <janis187@us.ibm.com>
3659 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
3660 * configure: Regenerate.
3662 * configure: Regenerate using the correct version of autoconf.
3664 2007-03-27 Anatoly Sokolov <aesok@post.ru>
3666 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
3668 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
3669 regs to "__SP_L__" and "__SP_H__".
3671 2007-03-27 Richard Guenther <rguenther@suse.de>
3673 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
3674 computations with it with a HOST_WIDE_INT variable.
3676 2007-03-26 Mike Stump <mrs@apple.com>
3678 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
3679 objective-c-header, objective-c++-header and objc++-cpp-output
3681 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
3683 2007-03-26 Richard Henderson <rth@redhat.com>
3686 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
3687 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
3688 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
3689 IX86_BUILTIN_PSRLQ128): New.
3690 (ix86_init_mmx_sse_builtins): Add them.
3691 (ix86_expand_builtin): Expand them.
3692 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
3693 operand 2 be TImode.
3694 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
3695 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
3696 _mm_srli_epi64): Mark __B const.
3697 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
3698 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
3699 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
3700 new two-vector shift builtins.
3702 2007-03-26 Ian Lance Taylor <iant@google.com>
3704 PR tree-optimization/31345
3705 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
3706 [+INF, +INF(OVF)] into VARYING.
3708 2007-03-26 Zack Weinberg <zackw@panix.com>
3710 * gengtype-parse.c: New file.
3711 * gengtype-yacc.y: Delete.
3712 * gengtype-lex.l: Don't include gengtype-yacc.h.
3713 Define YY_DECL and yyterminate appropriately for recursive
3714 descent parser. yylval is now a string out-parameter to yylex.
3715 (HWS, EOID): New shorthand.
3716 (IWORD): Add a couple more types.
3717 (yylex): Add a setup stanza. Remove the complex rules for
3718 detecting GTY'ed types and typedefs; replace with simple
3719 keyword detectors. Adjust everything for the changed
3720 definition of yylval. Ignore all pp-directives, not just #define.
3722 (parse_file): Rename yybegin; do not call yyparse.
3724 * gengtype.c (xasprintf): Export again.
3725 (this_file): New. Use everywhere __FILE__ was being used.
3726 (get_lang_bitmap): Special case types defined in gengtype.c.
3727 (do_typedef, new_structure): Suppress definition of certain types.
3728 (new_structure): Improve diagnostics of duplicate definitions.
3729 Make sure location_s is associated with input.h.
3730 (nreverse_pairs, define_location_structures): New functions.
3731 (main): Improve tagging of kludge types. Remove old kludges
3732 for input.h types; use define_location_structures.
3733 * gengtype.h: Update prototypes. Define token codes here.
3734 * Makefile.in: Remove all references to gengtype-yacc.
3735 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
3737 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
3738 add GTY((skip)) to the field that's only conditionally there.
3739 * doc/install.texi: Document that Bison is no longer required
3740 unless building treelang.
3742 * gengtype.c: Don't include gtyp-gen.h.
3743 (srcdir): Declare here.
3744 (base_files, lang_dir_names): Allocate dynamically.
3745 (gt_files, num_gt_files, num_lang_dirs): New globals.
3746 (measure_input_list, read_input_line, read_input_list)
3747 (set_lang_bitmap): New functions.
3748 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
3749 simplify, relying on read_input_list to set up the bitmaps.
3750 (main): Arguments are no longer unused. Check for correct number
3751 of command line arguments, set srcdir and srcdir_len, then call
3752 read_input_list, before doing anything else. No need to worry
3753 about duplicates in main loop.
3754 * configure.ac: Simplify the calculation of all_gtfiles.
3755 Put language tags in there. Don't set or substitute
3756 all_gtfiles_files_langs or all_gtfiles_files_frags.
3757 * Makefile.in: Revamp the way gengtype is invoked, now that it
3758 takes a file on its command line with a much simpler format.
3759 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
3760 (GTFILES): Remove duplicates and C source files.
3761 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
3762 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
3763 * configure: Regenerate.
3765 * gengtype.h: Remove all type definitions to gengtype.c; leave
3766 only definitions of options_p, type_p, and pair_p as opaque
3767 pointers. Update prototypes.
3768 * gengtype.c: Many type definitions moved here from gengtype.h.
3769 Consolidate type definitions at the top of the file.
3770 (xvasprintf): Delete.
3771 (xasprintf): Make static.
3772 (create_nested_pointer_option): Add 'next' parameter.
3773 (create_field_all, create_field_at): New functions.
3774 (create_field): Now a thin wrapper around create_field_all.
3775 (create_optional_field): Rename create_optional_field_ and add
3776 line argument. Original name is now a macro which supplies
3778 (oprintf): Use vsnprintf directly.
3779 (close_output_files): Use fatal rather than perror/exit.
3780 (note_def_vec, note_def_vec_alloc): Use create_field_at.
3781 (main): Set progname. Don't use exit.
3782 * gengtype-yacc.y (struct_fields): Use create_field_at.
3783 (option, optionseqopt): Delete.
3784 (optionseq): Consolidate productions from option here so we
3785 can use the first argument to create_option.
3787 * gengtype-lex.l: Distinguish unions from structures in the
3788 token type. Don't call find_structure; return the tag as a string.
3789 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
3790 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
3791 Reorganize typedef_struct production accordingly.
3792 Use create_nested_ptr_option.
3793 * gengtype.c (create_nested_ptr_option): New function.
3794 * gengtype.h: Declare it.
3796 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
3797 (string_type): Don't declare.
3798 (do_scalar_typedef): Declare.
3799 (create_scalar_type): Update prototype.
3800 * gengtype.c (string_type): Make static.
3801 (scalar_nonchar, scalar_char): New.
3802 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
3803 (resolve_typedef): Use scalar_nonchar for error recovery.
3804 (create_scalar_type): Remove name_len field. Return scalar_char
3805 or scalar_nonchar as appropriate.
3806 (adjust_field_type): Look at scalar_is_char boolean to decide whether
3808 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
3810 (main): Initialize scalar_char and scalar_nonchar before calling
3812 * gengtype-lex.l: Adjust for removal of second argument to
3813 create_scalar_type. Use yylval.s instead of yylval.t when
3815 * gengtype-yacc.y: Type of SCALAR is string. Call
3816 create_scalar_type from type:SCALAR rule. Adjust for removal of
3817 second argument to create_scalar_type.
3819 * vec.h: Remove all #if IN_GENGTYPE blocks.
3820 Add comment saying that changes may require adjustments to gengtype.
3821 * gengtype.c: Don't include coretypes.h or tm.h.
3822 Add comment to inclusion of errors.h.
3823 (note_def_vec, note_def_vec_alloc): New functions.
3824 * gengtype.h: Declare new functions.
3825 * gengtype-lex.l: Don't include coretypes.h.
3826 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
3828 (update_lineno): Remove unnecessary prototype.
3829 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
3830 (VEC rule): Just return VEC_TOKEN.
3831 * gengtype-yacc.y (VEC_TOKEN): New token type.
3832 (type): Add a production for VEC(a,b).
3833 * Makefile.in: Update dependencies.
3835 * gengtype-lex.l: Remove rules for parsing pointer-to-function
3836 typedefs that use the old PARAMS macro.
3838 * gengtype-lex.l: Remove all rules and states relating to yacc
3840 * gengtype-yacc.y: Similarly.
3841 * gengtype.c (note_yacc_type): Delete function.
3842 * gengtype.h: Update prototypes.
3844 2007-03-26 Joseph Myers <joseph@codesourcery.com>
3846 * tree-pretty-print.c (dump_generic_node): Report precision of
3847 unnamed integer types.
3849 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
3851 * ifcvt.c (noce_try_store_flag_constants): Don't check
3852 no_new_pseudos here.
3853 (noce_try_store_flag_constants): Don't check no_new_pseudos.
3854 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
3855 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
3856 noce_try_sign_mask): Likewise.
3857 (if_convert): Check no_new_pseudos here.
3859 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
3861 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
3862 (noce_get_condition): Handle new then_else_reversed argument.
3863 (noce_init_if_info): Remove, fold into noce_find_if_block.
3864 (noce_process_if_block): Take a struct noce_if_info as the
3865 argument. Don't set up one based on ce_if_info. Update pointer
3866 references accordingly.
3867 (cond_move_process_if_block): Likewise.
3868 (process_if_block): Removed.
3869 (find_if_block): Removed. Move functionality two new functions,
3870 noce_find_if_block and cond_exec_find_if_block.
3871 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
3872 blocks and the symmetric IF-ELSE-JOIN case.
3873 (cond_exec_find_if_block): Also new function mostly based on old
3874 find_if_block and process_if_block.
3875 (find_if_header): Replace find_if_block call with separately
3876 guarded calls to noce_find_if_block and cond_exec_find_if_block.
3877 (find_cond_trap): Update noce_get_condition call.
3878 (dead_or_predicable): Likewise.
3880 2007-03-26 Jakub Jelinek <jakub@redhat.com>
3882 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
3884 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
3885 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
3886 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
3887 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
3888 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
3889 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
3890 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
3891 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
3892 __builtin_ia32_psrad128 builtins.
3894 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
3896 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
3897 * config/i386/constraints.md
3898 (define_constraint "I"): Use IN_RANGE macro.
3899 (define_constraint "J"): Ditto.
3900 (define_constraint "K"): Ditto.
3901 (define_constraint "M"): Ditto.
3902 (define_constraint "N"): Ditto.
3903 (define_constraint "O"): Ditto.
3904 * config/i386/predicates.md
3905 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
3906 (define_predicate "const_0_to_3_operand"): Ditto.
3907 (define_predicate "const_0_to_7_operand"): Ditto.
3908 (define_predicate "const_0_to_15_operand"): Ditto.
3909 (define_predicate "const_0_to_63_operand"): Ditto.
3910 (define_predicate "const_0_to_255_operand"): Ditto.
3911 (define_predicate "const_1_to_31_operand"): Ditto.
3912 (define_predicate "const_2_to_3_operand"): Ditto.
3913 (define_predicate "const_4_to_7_operand"): Ditto.
3915 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3917 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
3918 in SImode for save_world.
3919 * config/rs6000/altivec.md (save_world, restore_world): Convert to
3922 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
3924 PR tree-optimization/30784
3925 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
3928 2007-03-25 Revital Eres <eres@il.ibm.com>
3930 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
3931 Fold movement_possibility function into it.
3933 2007-03-25 David Edelsohn <edelsohn@gnu.org>
3935 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
3936 (load_macho_picbase_{si,di}): Convert to LR hard reg.
3937 (call_indirect_nonlocal_darwin64): Same.
3938 (call_nonlocal_darwin64): Same.
3939 (call_value_indirect_nonlocal_darwin64): Same.
3940 (call_value_nonlocal_darwin64): Same.
3941 (sibcall_nonlocal_darwin64): Same.
3942 (sibcall_value_nonlocal_darwin64): Same.
3943 (sibcall_symbolic_64): Same.
3944 (sibcall_value_symbolic_64): Same.
3945 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
3947 (rs6000_emit_load_toc_table): Same.
3948 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
3949 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
3955 (load_toc_v4_pic_si): Same
3956 (load_toc_v4_PIC_1): Same.
3957 (load_toc_v4_PIC_1b): Same.
3958 (call_indirect_aix{32,64}): Same.
3959 (call_value_indirect_aix{32,64}): Same.
3962 (call_local{32,64}): Same.
3963 (call_value_local{32,64}): Same.
3964 (call_indirect_nonlocal_aix{32,64}): Same.
3965 (call_nonlocal_aix{32,64}): Same.
3966 (call_value_indirect_nonlocal_aix{32,64}): Same.
3967 (call_value_nonlocal_aix{32,64}): Same.
3968 (call_indirect_nonlocal_sysv<mode>): Same.
3969 (call_nonlocal_sysv<mode>): Same.
3970 (call_value_indirect_nonlocal_sysv<mode>): Same.
3971 (call_value_nonlocal_sysv<mode>): Same.
3973 (sibcall_local{32,64}): Same.
3974 (sibcall_value_local{32,64}): Same.
3975 (sibcall_nonlocal_aix{32,64}): Same.
3976 (sibcall_value_nonlocal_aix{32,64}): Same.
3977 (sibcall_nonlocal_sysv<mode>): Same.
3978 (sibcall_value): Same.
3979 (sibcall_value_nonlocal_sysv<mode>): Same.
3981 2007-03-24 Paul Brook <paul@codesourcery.com>
3983 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
3984 * config/arm/linux-eabi.h: Remove legacy syscall hack.
3986 2007-03-24 Richard Henderson <rth@redhat.com>
3988 * config/ia64/constraints.md: New file.
3989 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
3990 satisfies_constraint_?.
3991 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
3992 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
3993 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
3994 ia64_output_mi_thunk): Likewise.
3995 (ia64_const_ok_for_letter_p): Remove.
3996 (ia64_const_double_ok_for_letter_p): Remove.
3997 (ia64_extra_constraint): Remove.
3998 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
3999 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
4000 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
4001 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
4002 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
4003 EXTRA_MEMORY_CONSTRAINT): Remove.
4004 * config/ia64/ia64.md: Include constriants.md. Replace
4005 CONST_OK_FOR_? with satisfies_constraint_?.
4007 2007-03-23 Michael Meissner <michael.meissner@amd.com>
4008 H.J. Lu <hongjiu.lu@intel.com>
4010 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4012 (name macros): Use DPD_BID_NAME to convert names properly.
4014 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4015 decimal floating point format.
4016 (init_floating_libfuncs): Change decimal functions so that they
4017 have a "bid_" prefix if the decimal system uses the BID format,
4018 and "dpd_" prefix if the decimal system uses the DPD format.
4019 (init_interclass_conv_libfuncs): Ditto.
4020 (init_intraclass_conv_libfuncs): Ditto.
4022 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4023 using the BID format.
4025 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4026 whether we are using the BID decimal format.
4027 * configure: Regenerate.
4029 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4030 the compiler has decimal floating point enabled. Define
4031 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4034 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4035 using the BID format.
4037 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4038 whether we are using the BID decimal format.
4039 * configure: Regenerate.
4041 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4042 the compiler has decimal floating point enabled. Define
4043 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4046 * doc/install.texi (--enable-decimal-float): Document BID and DPD
4047 options, and that it is enabled for i386/x86_64 systems.
4049 * Makefile.in (enable_decimal_float): New.
4051 (DECNUMINC): Add -I$(DECNUMFMT).
4052 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4053 to $(DECNUMFMT) from $(DECNUM).
4055 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4056 Substitute enable_decimal_float.
4057 * configure: Regenerated.
4060 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4063 * configure.ac: Enable decimal float for x86_64-*-linux*.
4064 * configure: Regenerated.
4067 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4068 decimal128ClearSign to flip and clear the sign bit in decimal128.
4069 (decimal_real_maxval): Set decimal128SetSign to set the sign
4072 2007-03-23 Ian Lance Taylor <iant@google.com>
4074 * fold-const.c (fold_binary): Correct warning for X - c >= X.
4076 2007-03-23 Ian Lance Taylor <iant@google.com>
4078 * tree-dump.c (dump_files): Correct comment.
4080 2007-03-23 Ian Lance Taylor <iant@google.com>
4082 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4084 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
4086 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
4087 in cfglayout mode. Don't go into and out of cfglayout mode.
4088 Link the blocks in the order of the constructed traces.
4089 (rest_of_handle_tracer): Adjust call to tracer.
4090 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4091 Don't go into cfglayout mode.
4092 (rtl_loop_done): Don't go out of cfglayout mode.
4093 * cfglayout.c (relink_block_chain): New function, split out from...
4094 (fixup_reorder_chain): ...here. Remove redundant checking.
4095 (cfg_layout_finalize): Don't clear the header, footer, and aux
4096 fields here, move the code to do so to relink_block_chain. Likewise
4097 for free_original_copy_tables.
4098 * rtl.h (tracer): Update prototype.
4099 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4100 Assert we are in cfglayout mode. Don't go into and out of cfglayout
4101 mode. Use relink_block_chain to serialize the CFG according to the
4102 new basic block order. Move targetm.cannot_modify_jumps_p check from
4104 (gate_handle_reorder_blocks): ...to here.
4105 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4107 (gate_duplicate_computed_gotos): ...to here.
4108 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4109 something always changes when going into and out of cfglayout mode.
4110 Perform an expensive cfg cleanup while going into cfglayout mode.
4111 Always update liveness information on HAVE_conditional_execution
4112 targets. Reserialize the basic blocks and go out of cfglayout mode.
4113 * reg-stack.c: Include cfglayout.h.
4114 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4115 the call to reorder_basic_blocks.
4116 * basic-block.h (reorder_basic_blocks): Update prototype.
4117 (relink_block_chain): New prototype.
4118 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4120 2007-03-23 Joseph Myers <joseph@codesourcery.com>
4122 * config/mips/mips.md (type, hazard, *movdi_32bit,
4123 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4124 *movhi_internal, *movqi_internal, *movsf_hardfloat,
4125 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4126 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4127 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4129 (movcc): Change first xfer to multi.
4130 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4131 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4132 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4133 config/mips/generic.md: Change reservations using "xfer" to use
4135 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4136 using match_operand.
4137 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4138 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4140 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4142 2007-03-22 Richard Henderson <rth@redhat.com>
4144 * config/i386/i386.c: Remove unnecessary function declarations.
4145 Move targetm definition, and all related macros, to the end of
4146 the file. Resort some functions to put definitions before uses.
4147 (ix86_attribute_table): Make static. Move to end of file.
4148 (ix86_gimplify_va_arg): Make static.
4150 2007-03-22 Richard Henderson <rth@redhat.com>
4152 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4153 don't increase local_regparm with force_align_arg_pointer check.
4154 (ix86_function_sseregparm): Assert 32-bit.
4155 (type_has_variadic_args_p): New.
4156 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
4157 type_has_variadic_args_p.
4158 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4159 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
4160 use memset instead. Do maybe_vaarg check first; skip attribute
4161 tests if true; skip attribute tests for 64-bit.
4162 (construct_container): Remove TARGET_DEBUG_ARG.
4163 (function_arg_advance_32, function_arg_advance_64): Split out ...
4164 (function_arg_advance): ... from here.
4165 (function_arg_32, function_arg_64): Split out ...
4166 (function_arg): ... from here.
4167 (ix86_pass_by_reference): Tidy.
4168 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4169 (function_value_32): New, from parts of ix86_function_value
4170 and ix86_value_regno.
4171 (function_value_64): New, from parts of ix86_function_value
4172 and ix86_libcall_value.
4173 (ix86_function_value_1): New.
4174 (ix86_function_value, ix86_libcall_value): Use it.
4175 (return_in_memory_32, return_in_memory_64): Split out ...
4176 (ix86_return_in_memory): ... from here.
4177 (ix86_struct_value_rtx): Skip for 64-bit.
4178 (ix86_libcall_value, ix86_value_regno): Remove.
4179 (setup_incoming_varargs_64): Split out ...
4180 (ix86_setup_incoming_varargs): ... from here.
4181 (ix86_va_start): Remove TARGET_DEBUG_ARG.
4182 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4183 * config/i386/i386-protos.h (ix86_function_value): Remove.
4184 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4186 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4189 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4190 infinities not supported, otherwise emit warning if -Woverflow. On
4191 underflow, emit warning if -Woverflow.
4192 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4194 * real.h (real_from_string): Update declaration
4196 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
4197 Richard Henderson <rth@redhat.com>
4199 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4200 * calls.c (compute_argument_block_size, expand_call,
4201 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4202 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4203 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4204 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4205 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4206 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4207 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4208 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4211 2007-03-22 Joseph Myers <joseph@codesourcery.com>
4213 * c-incpath.c (add_sysroot_to_chain): New.
4214 (merge_include_chains): Add sysroot argument. Call
4215 add_sysroot_to_chain if sysrooted.
4216 (register_include_chains): Update call to merge_include_chains.
4217 * doc/cppopts.texi: Document use of '=' in include directory
4220 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
4222 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4223 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
4224 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4225 insn pattern using X87MODEF12 mode macro.
4227 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
4229 * regmove.c (regmove_optimize): Use reg_mentioned_p
4230 instead of reg_overlap_mentioned_p for DST.
4232 2007-03-21 Mike Stump <mrs@apple.com>
4234 * c.opt: Fixup for Objective-C/C++.
4236 2007-03-21 Steve Ellcey <sje@cup.hp.com>
4238 * explow.c (convert_memory_address): Fold memory reference when
4239 POINTERS_EXTEND_UNSIGNED < 0
4241 2007-03-21 Richard Henderson <rth@redhat.com>
4244 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4245 * config/i386/mmintrin.h (__m64): Likewise.
4246 * config/i386/xmmintrin.h (__m128): Likewise.
4248 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4250 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4251 (VXWORKS_OS_CPP_BUILTINS): Define.
4252 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4253 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
4255 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4257 * rtl.h (constant_pool_reference_p): Delete.
4258 (find_constant_src): Declare.
4259 * rtlanal.c (find_constant_src): New function.
4260 * simplify-rtx.c (constant_pool_reference_p): Delete.
4261 * config/i386/i386.md: Use find_constant_src instead of
4262 constant_pool_reference_p/avoid_constant_pool_reference pairs.
4264 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4266 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4267 * c-cppbuiltin.c (c_cpp_builtins): Define them.
4269 2007-03-20 Mark Mitchell <mark@codesourcery.com>
4271 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4272 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4273 (arm_elf_asm_constructor): Use it.
4274 (arm_elf_asm_destructor): New function.
4276 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
4278 * jump.c (mark_jump_label): Treat SEQUENCE specially.
4280 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
4282 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4284 2007-03-19 Andrew Haley <aph@redhat.com>
4286 PR tree-optimization/31264
4287 * tree-vrp.c (register_edge_assert_for_1): Don't look though
4290 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
4292 PR rtl-optimization/30907
4293 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4294 (fwprop_init): Always call loop_optimizer_initialize.
4295 (fwprop_done): Always call loop_optimizer_finalize.
4296 (fwprop): We always have loop info now.
4297 (gate_fwprop_addr): Remove.
4298 (pass_fwprop_addr): Use gate_fwprop as gate.
4300 PR rtl-optimization/30841
4301 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4302 df_chain_alloc): Call df_reorganize_refs unconditionally.
4303 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4304 refs_organized to refs_organized_size.
4305 (df_ref_create_structure): Use refs_organized_size instead of
4306 bitmap_size if refs had been organized, and keep refs_organized_size
4308 * df.h (struct df_ref_info): Change refs_organized to
4309 refs_organized_size.
4310 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4313 2007-03-19 Mark Mitchell <mark@codesourcery.com>
4315 * except.c (output_function_exception_table): Do not reference the
4316 EH personality routine for functions that do not require an
4319 2007-03-20 Jakub Jelinek <jakub@redhat.com>
4322 * c-typeck.c (convert_for_assignment): Call comptypes for
4323 RECORD_TYPE or UNION_TYPE.
4326 * reload1.c (reload): Do invalid ASM checking after
4327 cleanup_subreg_operands.
4329 2007-03-19 Jeff Law <law@redhat.com>
4331 * tree-cfg.c (find_taken_edge): Tighten conditions for
4332 optimizing computed gotos.
4334 2007-03-19 Michael Matz <matz@suse.de>
4336 * builtins.c (expand_builtin_sync_operation,
4337 expand_builtin_compare_and_swap,
4338 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4341 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4342 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4345 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4347 * doc/tm.texi: Add brackets around the return type of
4348 TARGET_SECONDARY_RELOAD.
4350 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
4351 Richard Guenther <rguenther@suse.de>
4353 PR tree-optimization/31254
4354 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4355 Use handled_component_p () where appropriate. Continue
4356 propagating into the rhs if we propagated into an INDIRECT_REF
4359 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4361 * config/s390/s390.md (op_type attribute): RRR instruction type added.
4362 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4363 (xde, xdee): Mode attributes adjusted to support DFP modes.
4364 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4365 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4366 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4367 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4368 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4369 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4370 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4372 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4373 "movsf"): Insn definitions removed.
4374 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4375 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4376 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4378 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4379 "reload_in<mode>", "reload_out<mode>"): Expander added.
4380 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4383 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4385 * config/s390/s390.md: Only non-functional changes. Renamed
4386 FPR mode macro to BFP all over the file.
4388 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4390 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4391 (op_type attribute): RRF instruction type added.
4392 (fT0): New mode attribute.
4393 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4394 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4395 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4396 no secondary memory is needed when moving DFmode values between GPRs
4399 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4401 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4402 inverted and documentation adjusted.
4403 ("mhard-dfp", "msoft-dfp"): New options.
4404 * config/s390/s390.c (s390_handle_arch_option): New architecture
4406 (override_options): Sanity checks for the new options added.
4407 * config.gcc: New architecture switch: z9-ec.
4408 * config/s390/s390.h (processor_flags): PF_DFP added.
4409 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4410 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4411 when the bit is NOT set so remove it from the defaults.
4413 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4415 * genemit.c (main): Print include statement for dfp.h.
4416 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4419 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4421 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4423 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
4426 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4429 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4431 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4432 attr_length_call, output_call, output_indirect_call): Cleanup
4433 formatting of targetm calls.
4435 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4437 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4439 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4441 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
4442 reservation, bypass and anti-bypass descriptions for these instructions.
4443 Update move patterns.
4444 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4447 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
4449 * tree-vect-transform.c (get_initial_def_for_induction): Replace
4450 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4451 (get_initial_def_for_reduction): Likewise.
4453 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
4455 Fix PR tree-optimization/29922
4456 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4457 (get_representative): Removed.
4458 (value_dies_in_block_x): Update for rvuse removal.
4459 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4460 (compute_antic_aux): Handle when PHI nodes appear in
4461 non-single-successors.
4462 (dump_bitmap_of_names): Removed.
4463 (compute_antic_safe): Renamed and removed rvuse calculation.
4464 Calculate only antic safe.
4465 (insert_into_preds_of_block): Remove assert.
4466 (execute_pre): Update for renamed functions.
4467 (defer_or_phi_translate_block): New function.
4469 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4471 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4472 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4474 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4475 Follow spelling conventions.
4477 * tree-data-ref.h: Remove the prototype for analyze_array.
4479 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
4481 PR tree-optimization/31041
4482 * tree-vect-transform.c (get_initial_def_for_induction): Call
4483 force_gimple_operand.
4485 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
4487 * ipa-type-escape.c (look_for_casts) : Revert code to use
4488 handled_component_p due to ada test a-numaux.adb.
4490 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4492 * final.c (final_scan_insn): Alter the condition of a
4493 conditional trap if we have nonstandard CC.
4495 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4497 * configure.ac: Remove excess quoting from asm line 0 test.
4498 * configure: Rebuilt.
4500 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4502 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4503 * c-common.c (convert_and_check): Move warning logic to...
4504 (warnings_for_convert_and_check): ...here. Define.
4505 * c-common.h (warnings_for_convert_and_check): Declare.
4507 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4509 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4510 (output_call): Likewise.
4512 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4514 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4516 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4518 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4520 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
4522 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4523 opteron, athlon-64 and athlon-fx processor_alias_table entries.
4525 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
4527 PR tree-optimization/31183
4528 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4529 Use double_int instead of unsigned int for representing access_strides.
4530 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4532 2007-03-16 Richard Guenther <rguenther@suse.de>
4534 PR tree-optimization/31146
4535 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4536 to allow recursion of forward_propagate_addr_expr.
4537 (forward_propagate_addr_into_variable_array_index): Likewise.
4538 (forward_propagate_addr_expr): Likewise.
4539 (tree_ssa_forward_propagate_single_use_vars): Likewise.
4540 (forward_propagate_addr_expr_1): Recurse on simple copies
4541 instead of propagating into them. Do so for useless conversions
4543 (forward_propagate_addr_expr): Clean up unused statements after
4546 2007-03-16 Richard Guenther <rguenther@suse.de>
4548 * builtins.c (expand_builtin_cexpi): Use the right argument
4549 for the expansion via cexp.
4551 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4553 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4554 * configure: Rebuilt.
4556 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4559 * dwarf2out.c (force_type_die): Adjust comment.
4560 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4562 2007-03-15 DJ Delorie <dj@redhat.com>
4564 * config/frv/predicates.md (minmax_operator): Don't check operands
4567 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4569 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4570 Update constant estimates of number of iterations.
4571 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
4572 argument renamed to "realistic".
4573 (compute_estimated_nb_iterations): Removed.
4574 (record_niter_bound): New function.
4575 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4576 call record_nonwrapping_iv with upper = false.
4577 (infer_loop_bounds_from_signedness): Pass upper argument to
4578 record_nonwrapping_iv.
4579 (estimate_numbers_of_iterations_loop): Do not call
4580 compute_estimated_nb_iterations. Record estimate based on profile
4581 information. Initialize the constant estimates of number of
4583 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4585 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4586 number of iterations is too small.
4587 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4588 (EST_NOT_AVAILABLE): Removed.
4589 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4590 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4593 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4595 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4596 Handle NE_EXPR guards.
4598 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4601 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4602 Set also -pedantic-errors by default for the preprocessor unless
4603 -fpermissive is given.
4605 2007-03-15 Richard Guenther <rguenther@suse.de>
4609 * builtins.c (expand_builtin_cexpi): As a fallback if we
4610 don't have builtins for sincos or cexp create a function
4611 declaration for cexp and expand to a call to that.
4612 (expand_builtin_int_roundingfn): Always fall
4613 back to floor/ceil and its variants even if they may be
4616 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
4619 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4620 jump tables, move the call to delete_dead_jumptables from here...
4621 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
4622 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4623 don't allow merging of blocks that try_redirect_by_replacing_jump
4624 also does not handle when not optimizing.
4626 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4627 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4629 * config/i386/i386.md (x86_sahf_1): Correctly handle
4632 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4635 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
4636 x86_64_general_operand as operand[2] predicate. Remove "iF"
4637 from operand constraints and use "e" constraint instead.
4638 (*subti3_1, *subti3_1 splitter): Ditto.
4639 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
4640 operand[1] predicate.
4642 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
4644 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
4645 arrays, multiply the access strides by the size of the sub-array.
4646 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
4648 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4650 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
4651 the configured assembler supports the sahf mnemonic.
4652 * configure: Regenerate.
4653 * config.in: Regenerate.
4655 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
4656 emit "sahf" or ".byte\t0x9e" as asm template.
4658 2007-03-14 Michael Meissner <michael.meissner@amd.com>
4661 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
4662 option to replace hard coded TARGET_xxx in md file.
4663 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
4664 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4665 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
4666 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
4667 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
4668 (X86_TUNE_NOT_VECTORMODE): Ditto.
4669 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
4670 (TUNE_AVOID_VECTOR_DECODE): Ditto.
4671 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
4672 (TUNE_SLOW_IMUL_IMM8): Ditto.
4673 (TUNE_MOVE_M1_VIA_OR): Ditto.
4674 (TUNE_NOT_UNPAIRABLE): Ditto.
4675 (TUNE_NOT_VECTORMODE): Ditto.
4677 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
4680 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
4681 tuning options instead of hard coded TARGET_xxx.
4682 (fix ssemode peephole2's): Ditto.
4683 (imul peephole2's): Ditto.
4685 (movdi_or_rex64): Ditto.
4686 (move peephole2): Ditto.
4687 (not peephole2's): Ditto.
4689 2007-03-14 Dirk Mueller <dmueller@suse.de>
4691 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
4692 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
4693 * c-parser.c (c_parser_if_body): Always add an empty statement in case
4695 * c-parser.c (c_parser_do_statement): Warn about empty body in
4697 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
4698 * doc/invoke.texi (-Wempty-body): Update documentation.
4700 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4703 * c-common.h (warn_for_div_by_zero): Declare.
4704 * c-common.c (warn_for_div_by_zero): Define.
4705 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
4708 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4710 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
4711 to PREFIX and STANDARD_PREFIX.
4713 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4714 Phil Edwards <phil@codesourcery.com>
4716 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
4717 (__gthread_once_t): Remove busy field for RTPs.
4718 (__GTHREAD_ONCE_INIT): Update accordingly.
4720 2007-03-14 Richard Sandiford <richard@codesourcery.com>
4722 * doc/invoke.texi: Document VxWorks options.
4724 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
4726 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
4728 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
4730 PR tree-optimization/30590
4731 * tree-nrv.c (tree_nrv): Check for the partial update of the
4734 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4736 * flags.h (flag_random_seed): Remove declaration, in favor of...
4737 * toplev.h (get_random_seed, set_random_seed): ... these.
4738 * tree.c (get_file_function_name): Use the former.
4739 * opts.c (common_handle_option): Use the latter.
4742 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
4745 * cse.c (cse_find_path): Do not bail out if a basic block that
4746 we already visited now becomes part of a path that starts at a
4747 different basic block. Just disallow this, to make sure we
4748 visit each basic block at most once.
4750 2007-03-13 Jan Hubicka <jh@suse.cz>
4752 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
4753 when profile esitmate is present, calls with very low frequency are
4756 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4758 PR tree-optimization/30730
4759 PR tree-optimization/26900
4760 * tree-ssa-loop-niter.c: Include gmp.h.
4762 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
4763 split_to_var_and_offset, determine_value_range,
4764 bound_difference_of_offsetted_base, refine_bounds_using_guard,
4765 bound_difference, bounds_add, bounds_negate,
4766 number_of_iterations_ne_max, dump_affine_iv): New functions.
4767 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
4768 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
4769 difference of initial and final value of control iv to validate
4771 (number_of_iterations_cond): Add loop parameter. Determine bounds
4772 on the difference of the extremes of the control iv. Add dumps.
4773 (expand_simple_operations): Handle phi nodes.
4774 (simplify_using_initial_conditions): Do not record used conditions.
4775 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
4776 Do not set additional_info.
4777 (implies_nonnegative_p, implies_ge_p): Removed.
4778 (derive_constant_upper_bound): Do not use parameter `additional'.
4779 (record_estimate): Parameter `additional' removed. Parameter
4780 `i_bound' added. Do not call derive_constant_upper_bound.
4781 (record_nonwrapping_iv): Use derive_constant_upper_bound to
4782 bound the number of iterations estimate.
4783 (estimate_numbers_of_iterations_loop): Pass the estimate from
4784 the number of iterations analysis to record_estimate.
4785 * tree.h (multiple_of_p): Declare.
4786 * tree-scalar-evolution.c (expression_expensive_p): Removed.
4787 (scev_const_prop): Do not check expression_expensive_p.
4788 * fold-const.c (multiple_of_p): Exported.
4789 * double-int.c (double_int_mask): Exported.
4790 * double-int.h (double_int_mask): Declare.
4791 * tree-flow.h (struct tree_niter_desc): Removed additional_info
4792 field. Added max field.
4794 2007-03-13 David Taylor <taylor@candd.org>
4797 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
4800 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4803 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
4804 two unamed patterns.
4806 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
4808 * config/i386/i386.opt (mcx16, msahf): New options.
4809 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
4810 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
4812 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
4813 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
4814 Output -mcx16 and -msahf options when corresponding bit is set.
4816 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
4819 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
4821 * configure.ac: Test for assembler tolerance to # 0 "".
4822 * configure, config.in: Rebuilt.
4823 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
4825 2007-03-13 Geoffrey Keating <geoffk@apple.com>
4827 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
4829 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
4830 (handle_syscall): Handle direct system calls.
4831 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
4833 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4835 * doc/invoke.texi: Fix cpp.info cross-reference.
4836 * doc/passes.texi: Fix gcc.info cross-reference.
4838 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
4840 PR tree-optimization/30835
4841 * lambda-code.c (can_convert_to_perfect_nest): Check whether
4842 bb_for_stmt is not NULL before accessing it.
4844 2007-03-12 Joseph Myers <joseph@codesourcery.com>
4846 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
4849 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
4852 * doc/install.texi: Document --enable-stage1-languages
4854 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
4856 * tree-pass.h (pass_into_cfg_layout_mode,
4857 pass_outof_cfg_layout_mode): Declare.
4858 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
4859 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
4860 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
4861 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
4863 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
4865 * c-decl.c (warn_variable_length_array): New function.
4866 Refactored from grokdeclarator to handle warn_vla
4867 and handle unnamed array case.
4868 (grokdeclarator): Refactored VLA warning case.
4869 * c.opt (Wvla): New flag.
4870 * doc/invoke.texi (Wvla): New warning.
4872 2007-03-12 Richard Henderson <rth@redhat.com>
4874 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
4875 (TARGET_SECTION_TYPE_FLAGS): New.
4877 2007-03-12 Richard Henderson <rth@redhat.com>
4879 * config/darwin.c (machopic_reloc_rw_mask): New.
4880 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
4881 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
4883 2007-03-12 Mark Mitchell <mark@codesourcery.com>
4885 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
4886 * cppdefault.h (cpp_PREFIX): Document.
4887 (cpp_PREFIX_len): Likewise.
4888 (cpp_EXEC_PREFIX): New variable.
4889 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
4890 * c-incpath.c (add_standard_paths): Correct logic for relocating
4891 paths within prefix.
4893 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
4895 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
4896 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
4898 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
4899 fix_truncdfdi_sse using SSEMODEF mode macro.
4900 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
4901 fix_truncdfsi_sse using SSEMODEF mode macro.
4902 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
4903 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
4905 2007-03-12 Richard Sandiford <richard@codesourcery.com>
4907 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
4910 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
4912 * tree.h : Add multiple_of_p declaration.
4913 * fold-const.c (multiple_of_p): Make multiple_of_p public.
4914 * ipa-type-escape.c (results_of_malloc): Redundant.
4915 (visited_stmts): New. Visited stmt for walk_use_def_chains.
4916 (cast_type): Extended with new members.
4917 (check_cast): Returns cast_type.
4918 (cast): New structure for data of walk_use_def_chains.
4919 (is_malloc_result, is_cast_from_non_pointer_1,
4920 is_cast_from_non_pointer,
4921 is_array_access_through_pointer_and_index): New functions.
4922 (look_for_casts): Returns cast types.
4923 (check_call): Returns void.
4924 (okay_pointer_operation): Use support of pointer plus index,
4925 pointer plus constant and allow all multiplications.
4927 2007-03-11 Richard Guenther <rguenther@suse.de>
4929 PR tree-optimization/31115
4930 * tree-vrp.c (extract_range_from_binary_expr): Make sure
4931 the shift count is positive and non-anti-range for RSHIFT_EXPR.
4932 A shift count of zero is not special as with *_DIV_EXPR.
4933 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
4936 2007-03-11 Ian Lance Taylor <iant@google.com>
4938 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
4939 the *_DIV_EXPR codes correctly with overflow infinities.
4941 2007-03-11 Ira Rosen <irar@il.ibm.com>
4943 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
4944 indicate success/failure of the analysis. Add negation to subtrahend
4945 in case of subtraction. Fail if both operands contain constants.
4946 (create_data_ref): Fail if analyze_offset fails.
4948 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
4950 * config/i386/i386.md (frndintxf2): Rename to ...
4951 (rintxf2): ... this. Remove expander having same name.
4952 (rintsf2, rintdf2): Implement using SSEMODEF macro.
4953 (roundsf2, rounddf2): Ditto.
4954 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
4955 (lround<mode>di2, lround<mode>si2): Ditto.
4957 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
4959 * lower-subreg.c: Include except.h.
4960 (decompose_multiword_subregs): Verify that the only control flow
4961 insns we can split are loads to multi-words pseudos.
4962 Handle breaking such blocks after splitting, instead of calling
4963 find_many_sub_basic_blocks.
4965 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
4966 on the new basic block. Add a lengthy comment explaining why we
4967 thought this was necessary.
4968 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
4970 2007-03-10 Mark Mitchell <mark@codesourcery.com>
4973 * tree.c (walk_type_fields): Recurse into the element type of
4974 ARRAY_TYPEs if there is a pointer set.
4976 2007-03-10 Dirk Mueller <dmueller@suse.de>
4978 * c-common.c (warn_logical_operator): Fix condition.
4980 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
4982 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
4984 * config/darwin.c (machopic_select_section): Remove superfluous
4985 argument in call to categorize_decl_for_section. Remove unused
4988 2007-03-10 Joseph Myers <joseph@codesourcery.com>
4990 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
4992 * configure: Regenerate.
4994 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
4997 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
4998 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
4999 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
5000 Add LABEL_NUSES to emitted label.
5001 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
5002 branch probability value to emitted jump insn.
5003 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
5004 Do not check life information and do not re-arrange input operands
5005 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5007 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5009 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5010 the change of decode_asm_operands.
5012 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5014 * mode-switching.c (create_pre_exit): Skip blockage insn.
5016 2007-03-09 Diego Novillo <dnovillo@redhat.com>
5018 * tree-pass.h (TODO_update_smt_usage): Remove.
5020 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5024 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5026 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5027 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5028 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
5031 2007-03-09 Geoffrey Keating <geoffk@apple.com>
5033 * gcc.c: Document %{, in big comment at top.
5034 (input_suffix_matches): Remove special handling for .s and
5036 (input_spec_matches): New.
5037 (handle_braces): Handle %{,.
5038 (validate_switches): ',' indicates a value which is not a switch.
5039 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5040 to detect assembler input.
5041 * config/i386/sol2.h (CPP_SPEC): Likewise.
5042 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5043 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5044 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5045 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5046 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5047 -m64 causes deployment target to default to 10.5.
5048 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5050 2007-03-09 Richard Henderson <rth@redhat.com>
5053 * target.h (targetm.asm.out.reloc_rw_mask): New.
5054 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5055 (TARGET_ASM_OUT): Use it.
5056 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5057 * varasm.c (categorize_decl_for_section): Remove shlib argument;
5058 use the new reloc_rw_mask target hook instead.
5059 (default_section_type_flags_1): Merge into...
5060 (default_section_type_flags): ... here.
5061 (decl_readonly_section_1): Merge into...
5062 (decl_readonly_section): ... here.
5063 (default_elf_select_section_1): Merge into...
5064 (default_elf_select_section): ... here.
5065 (default_unique_section_1): Merge into...
5066 (default_unique_section): ... here.
5067 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5068 (default_select_rtx_section): Use it.
5069 (default_elf_select_rtx_section): Likewise.
5070 * output.h: Update to match.
5071 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5072 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5073 (TARGET_ASM_RELOC_RW_MASK): New.
5074 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5075 to categorize_decl_for_section.
5076 (x86_64_elf_unique_section): Likewise.
5077 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5078 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5079 (TARGET_ASM_RELOC_RW_MASK): New.
5080 * config/ia64/ia64.c (ia64_rwreloc_select_section,
5081 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5082 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5083 (TARGET_RWRELOC): Remove.
5084 (ia64_section_type_flags): Adjust call to default_section_type_flags.
5085 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5086 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5087 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5088 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5089 (rs6000_xcoff_select_section): Use decl_readonly_section.
5090 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5091 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5092 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5093 (TARGET_SECTION_TYPE_FLAGS): Remove.
5094 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5096 2007-03-09 Roger Sayle <roger@eyesopen.com>
5098 * fold-const.c (fold_comparison): Remove compile-time evaluation of
5099 complex constant equality/inequality comparisons for here.
5100 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5101 known at compile-time or can be simplified to a scalar comparison.
5102 (fold_relational_const): Move compile-time evaluation of complex
5103 constant equality/inequality comparisons to here.
5105 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5107 PR rtl-optimization/30643
5108 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5110 (fold_rtx): Recurse, like before 2006-11-03.
5112 2007-03-09 DJ Delorie <dj@redhat.com>
5114 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5117 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
5119 PR tree-optimization/30375
5120 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5121 LHS of statements is not the same.
5122 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5124 2007-03-09 Chao-ying Fu <fu@mips.com>
5126 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5128 * doc/invoke.texi (-mdspr2): Document new option.
5129 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5130 New unspec for DSP REV 2.
5131 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5132 these instructions are extended in DSP REV 2.
5133 (mips-dspr2.md): Include.
5134 * config/mips/mips.opt (mdspr2): New option.
5135 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5136 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5137 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5138 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5139 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5140 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
5141 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5143 (bdesc_map): Add one field of unsupported_target_flags.
5144 (bdesc_arrays): Update entries to have extra fields. Add
5146 (mips_init_builtins): Initialize new function types.
5147 Check unsupported_target_fileds to filter out builtins.
5148 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5150 (ASM_SPEC): Pass mdspr2 to the assembler.
5151 * config/mips/mips-dspr2.md: New file.
5153 2007-03-09 Sa Liu <saliu@de.ibm.com>
5155 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5157 2007-03-09 Ian Lance Taylor <iant@google.com>
5159 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5160 argument) like -Wstrict-overflow=2.
5161 * doc/invoke.texi (Warning Options): Update documentation.
5163 2007-03-09 Dirk Mueller <dmueller@suse.de>
5166 * doc/invoke.texi (-Wlogical-op): Document.
5167 * common.opt (-Wlogical-op): New.
5168 * c-common.h (warn_logical_operator): Declare.
5169 * c-common.c (warn_logical_operator): Define.
5170 * c-typeck.c (parser_build_binary_op): Call
5171 warn_logical_operator.
5173 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5175 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5176 * final.c (final_scan_insn): Test for non-"" file name.
5178 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
5180 * doc/loop.texi: Document the Omega linear constraints solver.
5181 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5182 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5183 omega-hash-table-size, omega-max-keys, and
5184 omega-eliminate-redundant-constraints.
5185 * tree-pass.h (pass_check_data_deps): Declared.
5188 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5189 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5190 pass_check_data_deps): New.
5191 * tree-data-ref.c (init_data_ref): Remove declaration.
5192 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5193 (analyze_array): Renamed init_array_ref, move up initializations.
5194 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
5195 Removed arguments that are set to NULL.
5196 (analyze_indirect_ref): Correct indentation, correct call to
5198 (object_analysis): Call init_array_ref instead of analyze_array.
5199 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5200 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5201 of DR_ACCESS_FNS_ADDR.
5202 (init_omega_eq_with_af, omega_extract_distance_vectors,
5203 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5204 ddr_consistent_p): New.
5205 (compute_affine_dependence): Check consistency of ddrs when
5206 flag_check_data_deps is passed.
5207 (analyze_all_data_dependences): Uncomment.
5208 (tree_check_data_deps): New.
5209 * tree-data-ref.h: Include omega.h.
5210 (DR_ACCESS_FNS_ADDR): Removed.
5211 (data_dependence_relation): Add inner_loop.
5212 (DDR_INNER_LOOP): New.
5213 * common.opt (fcheck-data-deps): New.
5214 * tree-flow.h (tree_check_data_deps): Declare.
5215 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5216 (OBJS-common): Depend on omega.o.
5218 * passes.c (pass_check_data_deps): Scheduled.
5219 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5220 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5221 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5222 PARAM_VECT_MAX_VERSION_CHECKS,
5223 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5225 2007-03-09 Richard Guenther <rguenther@suse.de>
5227 PR tree-optimization/30904
5229 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5230 the same way as *_DIV_EXPR.
5232 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5234 * recog.c (decode_asm_operands): No mixed declarations and code.
5236 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5238 * rtl.def (ASM_INPUT): Add location.
5239 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5240 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5241 (decode_asm_operands): Add loc operand.
5242 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5243 * stmt.c (expand_asm): Rename to...
5244 (expand_asm_loc): ... this. Add locus argument. Pass it on to
5245 gen_rtx_ASM_INPUT_loc.
5246 (expand_asm_expr): Adjust.
5247 * recog.c (decode_asm_operands): Add loc operand.
5248 (check_asm_operands, extract_insn): Adjust.
5249 * reload1.c (maybe_fix_stack_asms): Likewise.
5250 * final.c (asm_insn_count): Likewise.
5251 (final_scan_insn): Output # line before and after asm.
5253 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
5255 * tree-ssa-structalias.c (variable_info): Remove
5257 (new_var_info): Ditto.
5258 (shared_bitmap_info_t): New structure.
5259 (shared_bitmap_table): New variable.
5260 (shared_bitmap_hash): New function.
5261 (shared_bitmap_eq): Ditto
5262 (shared_bitmap_lookup): Ditto.
5263 (shared_bitmap_add): Ditto.
5264 (merge_smts_into): Change to take bitmap directly.
5265 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5266 (init_alias_vars): Init shared bitmap hashtable.
5267 (delete_points_to_sets): Delete shared bitmap hashtable.
5268 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5269 is_aliased removal as a change that was still necessary was
5272 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
5274 * config/i386/i386.h (override_options): Conditionally disable
5275 x86_sahf for 64bit targets only.
5277 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
5280 * c-decl.c (merge_decls): Don't call make_var_volatile.
5281 * varasm.c (make_var_volatile): Remove.
5282 * output.h (make_var_volatile): Remove.
5284 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
5286 PR tree-optimization/31085
5287 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5289 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5291 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5292 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5293 ATTR_CONST_NOTHROW_LIST.
5295 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5298 2007-03-08 Diego Novillo <dnovillo@redhat.com>
5300 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5302 2007-03-08 Geoffrey Keating <geoffk@apple.com>
5305 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5307 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5308 passed, use shared libgcc.
5310 2007-03-08 Roger Sayle <roger@eyesopen.com>
5312 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5313 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5314 (honor_protect_cleanup_actions, lower_try_finally_switch):
5316 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5317 ifc_temp_var): Likewise.
5318 * tree-inline.c (setup_one_parameter): Likewise.
5319 * tree-mudflap.c (mf_decl_cache_locals,
5320 mf_build_check_statement_for): Likewise.
5321 * tree-nested.c (init_tmp_var, save_tmp_var,
5322 finalize_nesting_tree_1): Likewise.
5323 * tree-outof-ssa.c (insert_copy_on_edge,
5324 insert_backedge_copies): Likewise.
5325 * tree-profile.c (tree_gen_edge_profiler,
5326 tree_gen_ic_profiler): Likewise.
5327 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5328 * tree-sra.c (sra_build_assignment): Likewise.
5329 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5330 * tree-ssa-math-opts.c (insert_reciprocals,
5331 execute_cse_sincos_1): Likewise.
5332 * tree-tailcall.c (adjust_accumulator_values,
5333 adjust_return_value): Likewise.
5334 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5335 * tree-vect-transform.c (vect_create_data_ref_ptr,
5336 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5337 vect_create_epilog_for_reduction, vectorizable_reduction,
5338 vectorizable_call, vectorizable_conversion,
5339 vectorizable_assignment, vectorizable_operation,
5340 vectorizable_type_demotion, vect_gen_widened_results_half,
5341 vect_permute_store_chain, vectorizable_store,
5342 vect_setup_realignment, vect_permute_load_chain,
5343 vectorizable_load, vectorizable_condition,
5344 vect_create_cond_for_align_checks): Likewise.
5345 * tree-vrp.c (build_assert_expr_for): Likewise.
5347 2007-03-08 Ian Lance Taylor <iant@google.com>
5349 * tree-vrp.c: Include "intl.h".
5350 (usable_range_p): New static function.
5351 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5352 overflowed values, juts set *strict_overflow_p.
5353 (compare_values): Only return -2 if one of the operands is not a
5355 (compare_ranges): Call usable_range_p.
5356 (compare_range_with_value): Likewise.
5357 (vrp_evaluate_conditional_warnv): Rename from
5358 vrp_evaluate_conditional. Make static. Change all callers.
5359 (vrp_evaluate_conditional): New function.
5360 (simplify_div_or_mod_using_ranges): Issue warning about reliance
5362 (simplify_abs_using_ranges): Likewise.
5363 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5364 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5365 within_stmt parameter.
5366 * tree-ssa-propagate.c (fold_predicate_in): Update call to
5367 vrp_evaluate_conditional.
5368 * tree-ssa-threadedge.c
5369 (record_temporary_equivalences_from_stmts_at_dest): Change
5370 simplify parameter to take a second tree parameter.
5371 (simplify_control_stmt_condition): Likewise.
5372 (thread_across_edge): Likewise.
5373 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5374 (thread_across_edge): Likewise.
5375 * Makefile.in (tree-vrp.o): Depend upon intl.h.
5377 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
5379 * config/i386/i386.h (TARGET_SAHF): New define.
5380 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5381 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5382 (x86_sahf): New global variable.
5383 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
5384 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
5385 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
5386 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
5388 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5389 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5390 when expanding fcomi/sahf based tests.
5391 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5392 expanding sahf based alternative. Emit sahf based sequence when
5393 optimizing for code size.
5394 * config/i386/i386.md (x86_sahf_1): Do not disable for
5395 TARGET_64BIT, enable for TARGET_SAHF.
5397 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
5399 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5400 spurious whitespace from error message.
5402 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
5405 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5407 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
5409 * c-decl.c (grokdeclarator): Disable warnings for anonymous
5411 * tree-sra.c (instantiate_element): Propagate disabled warnings
5412 from the element itself to the created variable.
5414 2007-03-07 Richard Henderson <rth@redhat.com>
5417 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5418 silently fix up the stack in the case of a missing register.
5420 2007-03-07 Paul Brook <paul@codesourcery.com>
5422 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5424 2007-03-07 Joseph Myers <joseph@codesourcery.com>
5426 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5428 (phase1_vrs): Use them.
5429 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5430 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5431 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5432 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5433 __gnu_Unwind_Restore_WMMXC if required.
5434 (_Unwind_VRS_Pop): Implement iWMMXt support.
5435 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5436 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5437 gnu_Unwind_Save_WMMXC): Define.
5439 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5441 * config/vxworks.h (vxworks_override_options): Declare.
5442 (VXWORKS_OVERRIDE_OPTIONS): Use it.
5443 * config/vxworks.c: Include target.h and toplev.h.
5444 (vxworks_override_options): New function.
5445 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5447 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
5449 * config/s390/s390.c (override_options): Don't emit an error when
5450 -mstack-size is used without providing -mstack-guard.
5451 (s390_emit_prologue): Choose stack_guard value automatically if not
5452 provided via command line.
5453 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5455 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5457 * config/i386/i386.c (output_set_got): Add a GOT initialization
5458 sequence for VxWorks PIC.
5459 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5460 around labels as well as symbols. Use gotoff_operand instead
5461 of local_symbolic_operand.
5462 (legitimize_pic_address): Use gotoff_operand instead of
5463 local_symbolic_operand. Use @GOT accesses for labels as
5465 (ix86_output_addr_diff_elt): Use PC-relative rather than
5466 GP-relative offsets for VxWorks PIC.
5467 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5468 no_new_pseudos. Check whether the returned register is op0.
5469 * config/i386/i386.md (tablejump): Use PC-relative rather than
5470 GP-relative offsets for VxWorks PIC.
5471 * config/i386/predicates.md (gotoff_operand): New predicate.
5473 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5475 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5477 * config/vxworks-dummy.h: New file.
5478 * config/i386/i386.h: Include it.
5480 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
5482 * dwarf2out.c (is_inlined_entry_point): New
5483 (add_high_low_attributes): Emit DW_AT_entry_pc along with
5484 DW_AT_ranges if the first subblock is the entry point.
5486 2007-03-06 David Daney <ddaney@avtrex.com>
5488 * doc/install.texi (mips-*-*): Change recommended binutils
5491 2007-03-06 Anatoly Sokolov <aesok@post.ru>
5493 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5494 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5496 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5497 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5499 2007-03-06 Jan Hubicka <jh@suse.cz>
5501 * errors.h (warning, error, fatal, internal_error): Mark as cold.
5502 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5504 (probably_cold_bb_p): Cold functions are cold.
5505 (probably_never_executed_bb_p): Cold functions are cold.
5506 (tree_bb_level_predictions): Predict calls to cold functions as not
5508 (compute_function_frequency): Check hot/cold attributes.
5509 * function.h (function_frequency): Update comments.
5510 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5511 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5512 (c_common_att): Add cold and hot.
5514 * doc/extend.texi (hot,cold attributes): Document.
5516 2007-03-06 Andrew Haley <aph@redhat.com>
5518 * function.c (expand_function_end): Move blockage to just after we
5519 emit the label for the naked return from the function.
5521 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5523 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5526 2007-03-06 Jan Hubicka <jh@suse.cz>
5528 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5529 loaded for constant large models. Non-large 64bit PIC can do.
5530 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5531 * cmodel.h: Add LARGE PIC.
5532 * i386.md (UNSPEC_PLTOFF): New.
5533 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5535 (*call_1_rex64): Disable for large models.
5536 (*call_1_rex64_large): New.
5537 (*call_value_1_rex64): Disable for large models.
5538 (*call_value_1_rex64_large): New.
5539 (set_rip_rex4): New.
5540 (set_got_offset_rex64): New.
5541 * predicates.md (constant_call_address_operand): For large model
5542 constant calls are not possible.
5543 * i386-protos.h (construct_plt_address): Declare.
5544 * i386.c (override_options): Accept large models.
5545 (ix86_expand_prologue): Expand large PIC GOT pointer load.
5546 (legitimate_constant_p): Add new UNSPECs.
5547 (legitimate_pic_operand_p): Likewise.
5548 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5549 (legitimize_pic_address): Do easy RIP relative way for TLS only for
5551 (output_pic_addr_const): Add PLTOFF.
5552 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5553 (ix86_expand_move): Legitimize pic address when in PIC mode.
5554 (construct_plt_address): New function.
5555 (ix86_expand_call): Offload the address to register and use GOT pointer
5557 * invoke.texi (mcmodel=large): Update documentation.
5559 2007-03-06 Richard Henderson <rth@redhat.com>
5561 * config/i386/i386.c (x86_use_leave, x86_push_memory,
5562 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5563 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5564 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5565 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5566 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5567 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5568 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5569 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5570 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5571 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5572 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5573 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5574 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5575 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5576 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5577 x86_schedule, x86_use_bt, x86_pad_returns,
5578 x86_use_xchgb): Merge into ...
5579 (ix86_tune_features): ... here. New array.
5580 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5581 x86_bswap): Merge into ...
5582 (ix86_arch_features): ... here. New array.
5583 (x86_3dnow_a): Remove.
5584 (x86_accumulate_outgoing_args): Make static.
5585 (x86_arch_always_fancy_math_387): Make static.
5586 (ix86_tune_mask, ix86_arch_mask): Move ...
5587 (override_options): ... to local variables here. Apply the
5588 appropriate mask to each element of ix86_arch_features and
5589 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
5590 as were done in the old macros.
5591 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5592 * config/i386/i386.h (x86_use_leave, x86_push_memory,
5593 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5594 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5595 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5596 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5597 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5598 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5599 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5600 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5601 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5602 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5603 x86_accumulate_outgoing_args, x86_prologue_using_move,
5604 x86_epilogue_using_move, x86_decompose_lea,
5605 x86_arch_always_fancy_math_387, x86_shift1,
5606 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5607 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5608 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5609 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5610 x86_use_incdec, x86_pad_returns, x86_bswap,
5611 x86_partial_flag_reg_stall): Remove.
5612 (enum ix86_tune_indices): New.
5613 (ix86_tune_features): New.
5614 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5615 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5616 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5617 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5618 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5619 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5620 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5621 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5622 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5623 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5624 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5625 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5626 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5627 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5628 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5629 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5630 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5631 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5632 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
5633 TARGET_EXT_80387_CONSTANTS): Use it.
5634 (enum ix86_arch_indices): New.
5635 (ix86_arch_features): New.
5636 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
5637 TARGET_BSWAP): Use it.
5638 (ix86_tune_mask, ix86_arch_mask): Remove.
5640 2007-03-06 Joseph Myers <joseph@codesourcery.com>
5643 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
5644 Define using $${sysroot_headers_suffix}.
5645 * configure: Regenerate.
5646 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
5647 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
5649 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
5650 * gcc.c (print_sysroot_headers_suffix): New.
5651 (option_map): Include --print-sysroot-headers-suffix.
5652 (display_help): Mention -print-sysroot-headers-suffix.
5653 (process_command): Handle -print-sysroot-headers-suffix.
5654 (do_spec_1): Append multilib directory to include-fixed path if
5655 sysroot suffixes in use.
5656 (main): Handle -print-sysroot-headers-suffix.
5657 * Makefile.in (start.encap): Don't depend on xlimits.h
5658 (xlimits.h): Remove.
5659 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
5660 limits.h for each multilib in fixinc_list.
5661 (fixinc_list, s-fixinc_list): New.
5662 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
5663 generate them for each multilib in fixinc_list.
5664 (stmp-fixproto): Use include-fixed. Run fixproto for each
5665 multilib in fixinc_list.
5666 (mostlyclean): Don't remove xlimits.h.
5667 (clean): Remove include-fixed.
5668 (real-install-headers-tar, real-install-headers-cpio,
5669 real-install-headers-cp): Don't copy include, only include-fixed.
5670 (install-mkheaders): Depend on fixinc_list. Don't depend on
5671 xlimits.h. Save limits.h files for each multilib in fixinc_list.
5672 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
5673 SYSTEM_HEADER_DIR setting in mkheaders.conf.
5675 2007-03-06 Jan Hubicka <jh@suse.cz>
5677 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
5680 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5682 * configure.ac: Allow tm_file to contain build-directory files.
5683 * configure: Regenerate.
5684 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
5685 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
5686 * config/m68k/print-sysroot-suffix.sh: New file.
5688 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5690 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
5691 of pic_offset_table_rtx if reload_completed.
5692 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
5693 PIC_OFFSET_TABLE_REGNUM.
5694 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
5696 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
5697 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
5699 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5701 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5702 functions that call eh_return.
5704 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5706 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
5707 functions that need a constant pool.
5709 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5712 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
5713 (m68k_preferred_reload_class): Likewise.
5714 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
5715 (SECONDARY_RELOAD_CLASS): Define.
5716 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
5717 (LIMIT_RELOAD_CLASS): Delete.
5718 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
5719 registers from storing bytes.
5720 (m68k_secondary_reload_class): New function.
5721 (m68k_preferred_reload_class): Likewise.
5723 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5725 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
5727 (m68k_expand_prologue): Likewise.
5729 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5731 * config/m68k/m68k-protos.h (output_sibcall): Declare.
5732 (mips_expand_epilogue): Add a bool parameter.
5733 (m68k_legitimize_sibcall_address): Declare.
5734 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
5735 (m68k_expand_epilogue): Add a parameter to select between sibling
5736 and normal epilogues. Only generate a return for the latter.
5737 (m68k_ok_for_sibcall_p): New function.
5738 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
5739 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
5740 (sibcall_value, *sibcall_value): Likewise.
5741 (*call, *call_value): Require !SIBLING_CALL_P.
5742 (epilogue): Update call to m68k_expand_epilogue.
5743 (sibcall_epilogue): New pattern.
5744 * config/m68k/predicates.md (const_call_operand): Say that this
5745 predicate applies to sibling calls too.
5746 (sibcall_operand): New predicate.
5748 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5750 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
5751 alternatives as movsi_cf.
5752 (movsf_cf_hard): Add commentary.
5754 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
5755 Richard Sandiford <richard@codesourcery.com>
5757 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
5758 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
5759 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
5760 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
5761 as being live on exit from an interrupt function.
5762 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
5763 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
5764 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
5765 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
5766 (m68k_interrupt_function_p): Globalize.
5767 (m68k_compute_frame_layout): Remove reverse mask code.
5768 (m68k_emit_movem, m68k_set_frame_related): New functions.
5769 (m68k_output_function_prologue): Delete in favor of...
5770 (m68k_expand_prologue): ...this new function.
5771 (m68k_output_function_epilogue): Delete in favor of...
5772 (m68k_expand_epilogue): ...this new function.
5773 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
5775 (print_operand): Handle %?.
5776 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
5777 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
5778 (prologue, epilogue): New patterns.
5779 (return): Turn into a define_expand.
5780 (*return): New pattern, derived from old "return" pattern. Use rte
5781 rather than rts for interrupt functions. Only use rtd if the pop
5783 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
5784 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
5785 (link, *link, unlink, *unlink, load_got): Likewise.
5787 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5791 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
5792 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
5793 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
5794 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
5795 and m68k_matches_u_p.
5796 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
5797 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
5798 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
5799 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
5800 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
5801 (REG_STRICT_P): New macro.
5802 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
5803 PCREL_GENERAL_OPERAND_OK.
5804 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
5805 m68k_legitimate_base_reg_p.
5806 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
5807 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
5808 (PIC_CASE_VECTOR_ADDRESS): Update comment.
5809 * config/m68k/m68k.c (m68k_address): New structure.
5810 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
5811 (m68k_decompose_index, m68k_legitimate_constant_address_p)
5812 (m68k_jump_table_ref_p, m68k_decompose_address)
5813 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
5814 (m68k_matches_u_p): New functions.
5815 (print_operand_address): Rewrite to use m68k_decompose_index.
5817 2007-03-05 David Taylor <dtaylor@emc.com>
5819 * gcc.c: Correct copyright date in --version output.
5821 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5823 * pa.md: In unamed move patterns, disparge copies between general
5824 and floating point registers using '?' modifier. Don't include 'f'
5825 constraint for register preferences in DImode, SImode, HImode and
5826 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
5827 Remove constraints for copies between general and floating registers
5828 in soft-float DFmode pattern.
5829 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
5833 2007-03-05 Mike Stump <mrs@apple.com>
5835 * c-common.c (targetcm): Add.
5836 * c-opts.c (c_common_handle_option): Handle language specific
5838 * opts.c (handle_option): Verify language for target options, if
5840 * opth-gen.awk: Add CL_LANG_ALL.
5841 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
5842 (TARGETCM_INITIALIZER): Add.
5843 * target.h (struct gcc_targetcm): Add.
5845 * targhooks.c (default_handle_c_option): Add.
5846 * targhooks.h (default_handle_c_option): Add.
5847 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
5849 * config/darwin.opt (iframework): Add.
5850 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
5851 * config/darwin-c.c (handle_c_option): Add.
5852 (TARGET_HANDLE_C_OPTION): Add.
5854 * doc/invoke.texi (Darwin Options): Add -iframework.
5856 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5858 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
5861 2007-03-05 Ian Lance Taylor <iant@google.com>
5863 * c.opt (fgnu89-inline): New option.
5864 * c-opts.c (c_common_post_options): Set default value for
5866 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
5867 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
5869 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
5870 (grokdeclarator, start_function): Likewise.
5871 * c-cppbuiltin.c (c_cpp_builtins): Define either
5872 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
5873 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
5874 (C Dialect Options): Document -fgnu89-inline.
5875 * doc/extend.texi (Function Attributes): Explain what the
5876 gnu_inline attribute does.
5877 * doc/cpp.texi (Common Predefined Macros): Document
5878 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
5880 2007-03-05 Ian Lance Taylor <iant@google.com>
5882 PR tree-optimization/31034
5883 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
5884 half-range if the other side is an overflow infinity.
5886 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
5888 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
5889 (bfin*-linux-uclibc*): New configuration.
5890 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
5892 * config/bfin/linux.h: New file.
5893 * config/bfin/libgcc-bfin.ver: New file.
5894 * config/bfin/t-bfin-uclinux: New file.
5895 * config/bfin/t-bfin-linux: New file.
5896 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
5897 (TARGET_OS_CPP_BUILTINS): New macro.
5899 2007-03-05 Richard Guenther <rguenther@suse.de>
5901 * fold-const.c (fold_binary): Remove duplicate folding
5902 of comparison of non-null ADDR_EXPR against null.
5904 2007-03-05 Richard Guenther <rguenther@suse.de>
5905 Dorit Nuzman <dorit@il.ibm.com>
5907 PR tree-optimization/26420
5908 * tree-vectorizer.c (vectorize_loops): Bail out early if there
5909 are no loops in the function. Only print the number of
5910 vectorized loops if it is greater than zero or we are supposed
5911 to print information about unvectorized loops.
5913 2007-03-05 Revital Eres <eres@il.ibm.com>
5915 * gcc.dg/var-expand1.c: New test.
5916 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
5917 when an accumulator is expanded.
5919 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5922 * c-common.c (convert_and_check): Don't give warnings for
5923 conversion if 'expr' already overflowed.
5925 2007-03-04 Roger Sayle <roger@eyesopen.com>
5928 * fold-const.c (fold_comparison): Enforce type consistency when
5929 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
5931 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
5933 * tree-ssa-address.c (create_mem_ref): Do not put an expression
5934 containing a cast to the base of TARGET_MEM_REF.
5936 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
5938 * tree.c (tree_contains_struct_check_failed): Remove spurious
5939 whitespace from error message.
5941 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
5944 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
5945 instead of precision.
5947 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
5948 Nathan Sidwell <nathan@codesourcery.com>
5950 * emit-rtl.c (find_auto_inc): New.
5951 (try_split): recreate REG_INC notes,
5952 Use regular for loops rather than whiles.
5954 2007-03-03 Andreas Schwab <schwab@suse.de>
5956 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
5957 * configure: Regenerate.
5959 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5961 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
5962 flag_rounding_math, not flag_unsafe_math_optimizations.
5964 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
5966 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
5967 alpha_fold_vector_minmax): Likewise.
5968 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
5969 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
5971 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
5973 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
5974 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
5975 if the lhs has side-effects.
5976 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
5978 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
5980 * config/i386/i386.h (TUNEMASK): Remove define.
5981 (ARCHMASK): Remove define.
5982 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
5983 Use ix86_arch_mask variable instead of ARCHMASK.
5984 * config/i386/i386.c (override_options): Ditto.
5985 (standard_80387_constant_p): Ditto.
5987 2007-03-02 Ian Lance Taylor <iant@google.com>
5989 Used signed infinities in VRP.
5990 * tree-vrp.c (uses_overflow_infinity): New static function.
5991 (supports_overflow_infinity): New static function.
5992 (make_overflow_infinity): New static function.
5993 (negative_overflow_infinity): New static function.
5994 (positive_overflow_infinity): New static function.
5995 (is_negative_overflow_infinity): New static function.
5996 (is_positive_overflow_infinity): New static function.
5997 (is_overflow_infinity): New static function.
5998 (overflow_infinity_range_p): New static function.
5999 (compare_values_warnv): New function split out of compare_values.
6000 (compare_value): Call it.
6001 (set_value_range_to_nonnegative): Add overflow_infinity
6002 parameter. Change caller.
6003 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
6005 (vrp_expr_computes_nonzero): Likewise.
6006 (compare_ranges, compare_range_with_value): Likewise.
6007 (compare_name_with_value, compare_names): Likewise.
6008 (vrp_evaluate_conditional): Likewise.
6009 (set_value_range): Handle infinity
6010 (vrp_operand_equal_p, operand_less_p): Likewise.
6011 (extract_range_from_assert): Likewise.
6012 (vrp_int_const_binop): Likewise.
6013 (extract_range_from_binary_expr): Likewise.
6014 (extract_range_from_unary_expr): Likewise.
6015 (extract_range_from_comparison): Likewise.
6016 (extract_range_from_expr): Likewise.
6017 (dump_value_range): Likewise.
6018 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6019 (test_for_singularity): Likewise.
6020 (vrp_int_const_binop): Remove inline qualifier.
6021 (adjust_range_with_scev): Add comment.
6022 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6024 2007-03-02 Diego Novillo <dnovillo@redhat.com>
6026 * tree-ssa-structalias.c (could_have_pointers): Tidy.
6027 (get_constraint_for): Likewise.
6028 (do_structure_copy): Likewise.
6029 (find_func_aliases): Fix references to MODIFY_EXPR.
6030 (intra_create_variable_infos): Tidy.
6031 * tree-ssa-operands.c (add_virtual_operand): Add argument
6033 When adding members of alias sets, if IS_CALL_SITE is true and
6034 the symbol is not call-clobbered, skip it.
6037 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
6039 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6040 entry by means of emit_insn_at_entry.
6042 2007-03-02 Richard Henderson <rth@redhat.com>
6044 * expr.h (promoted_input_arg): Remove decl.
6045 * function.c (promoted_input_arg): Merge into ...
6046 * combine.c (setup_incoming_promotions): ... only caller.
6047 Rearrange to avoid double loop.
6049 2007-03-02 Ben Elliston <bje@au.ibm.com>
6050 Peter Bergner <bergner@vnet.ibm.com>
6051 Janis Johnson <janis187@us.ibm.com>
6053 * config/rs6000/dfp.md: New file.
6054 * config/rs6000/rs6000.md: Include dfp.md.
6055 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6056 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6057 and TDmode decimal float modes in FP registers.
6058 (num_insns_constant): Likewise.
6059 (rs6000_legitimate_offset_address_p): Likewise.
6060 (rs6000_legitimize_address): Likewise.
6061 (rs6000_legitimize_reload_address): Likewise.
6062 (rs6000_legitimate_address): Likewise.
6063 (rs6000_emit_move): Likewise.
6064 (function_arg_boundary): Likewise.
6065 (function_arg_advance): Likewise.
6066 (rs6000_darwin64_record_arg_recurse): Likewise.
6067 (function_arg): Likewise.
6068 (rs6000_gimplify_va_arg): Likewise.
6069 (rs6000_split_multireg_move): Likewise.
6070 (rs6000_output_function_epilogue): Likewise.
6071 (rs6000_output_function_epilogue): Likewise.
6072 (rs6000_register_move_cost): Likewise.
6073 (rs6000_function_value): Likewise.
6074 (rs6000_libcall_value): Likewise.
6076 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6078 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6080 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6082 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6083 Use $MULTIDIR to choose between the kernel and RTP headers,
6084 and use $WIND_BASE and $WIND_USR to locate them.
6086 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6088 * config/i386/i386.c (override_options): Put initialization of
6089 ix86_tune_mask and ix86_arch_mask to the correct place.
6091 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6092 Michael Meissner <michael.meissner@amd.com>
6095 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6097 (TARGET_CMOVE): Use ARCHMASK.
6098 (TARGET_CMPXCHG): Ditto.
6099 (TARGET_CMPXCHG8B): Ditto.
6100 (TARGET_XADD): Ditto.
6101 (TARGET_BSWAP): Ditto.
6102 * config/i386/i386.c (ix86_tune_mask): New global variable.
6103 (ix86_arch_mask): Ditto.
6104 (override_options): Initialize ix86_tune_mask and
6105 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6108 2007-03-02 Ben Elliston <bje@au.ibm.com>
6111 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6113 2007-03-02 Joseph Myers <joseph@codesourcery.com>
6115 * target.h (init_dwarf_reg_sizes_extra): New target hook.
6116 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6117 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6118 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6120 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6121 rs6000_init_dwarf_reg_sizes_extra): New.
6122 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6123 SPE register high parts.
6125 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
6127 * Makefile.in: Add install-pdf target as
6128 copied from automake v1.10 rules.
6129 * configure.ac: Add install-pdf to target list.
6130 * configure: Regenerate.
6132 2007-03-01 Paul Brook <paul@codesourcery.com>
6134 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6135 modes to LDRD for DImode.
6136 (output_move_double): Fixup out of range ldrd/strd.
6137 (vfp_secondary_reload_class): Rename...
6138 (coproc_secondary_reload_class): ... to this. Add wb argument.
6139 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6140 coproc_secondary_reload_class for CLASS_IWMMXT.
6141 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6142 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6144 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
6146 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
6147 factor by the estimated number of iterations.
6148 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6151 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6152 decode_caches_intel, detect_caches_intel): New functions.
6153 (host_detect_local_cpu): Use detect_caches_amd and
6154 detect_caches_intel.
6156 2007-03-01 Richard Henderson <rth@redhat.com>
6158 * expr.c (emit_move_complex_push): Export.
6159 (emit_move_complex_parts): Split out from ...
6160 (emit_move_complex): ... here.
6161 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6162 * config/i386/i386.md (movcdi): New.
6164 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
6166 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6167 size of mode1 to check for tieable modes in MMX case.
6169 2007-03-01 Richard Sandiford <richard@codesourcery.com>
6171 * Makefile.in (rtlanal.o): Depend on tree.h.
6172 * rtl.h (offset_within_section_p, split_const): Declare.
6173 * rtlanal.c: Include tree.h.
6174 (offset_within_block_p): New function, taken from
6175 mips_offset_within_object_p.
6176 (split_const): New function, taken from mips_split_const.
6177 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6179 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6180 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6181 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6182 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6183 (m68k_illegitimate_symbolic_constant_p): New function.
6184 * config/m68k/m68k.md (movsi): Remove misleading predicates.
6185 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6186 symbolic constant that might be outside the symbol's section,
6187 move the symbol first and then add the offset.
6188 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6190 * config/mips/mips.c (mips_split_const): Delete.
6191 (mips_offset_within_object_p): Delete.
6192 (mips_symbolic_constant_p): Use offset_within_section_p and
6193 split_const instead of mips_offset_within_object_p and
6195 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6196 (mips_legitimize_const_move, print_operand_reloc)
6197 (mips_dangerous_for_la25_p): Use split_const instead of
6200 2007-02-28 Eric Christopher <echristo@apple.com>
6202 * Makefile.in (install-include-dir): Don't rm -rf include.
6204 2007-02-28 Richard Guenther <rguenther@suse.de>
6207 * fold-const.c (fold_binary): Do not associate expressions
6208 with more than one variable for integer types that do not wrap.
6210 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
6212 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6213 Delete, and replace with...
6214 (fold_builtin_call_array): This. Update callers to use it.
6215 * fold-const.c (fold_build_call_list): Delete, and replace with...
6216 (fold_build_call_array): This.
6217 (fold_build_call_list_initializer): Delete, and replace with...
6218 (fold_build_call_array_initializer): This.
6219 * tree.h: Update declarations to reflect above changes.
6221 * c-typeck.c (build_function_call): Store converted arguments
6222 in a stack-allocated array instead of building a list.
6223 (convert_arguments): Store arguments in the array passed in as an
6224 argument, and return the actual number of arguments.
6225 * c-format.c: (check_function_format): Pass arguments in an
6226 array instead of a list.
6227 * c-common.c (check_function_nonnull): Likewise.
6228 (check_function_sentinel): Likewise.
6229 (check_function_arguments): Likewise.
6230 * c-common.h: Update declarations to reflect above changes.
6232 2007-02-28 Jan Hubicka <jh@suse.cz>
6234 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6235 PRED_NEGATIVE_RETURN): Update outcomes.
6237 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
6239 * calls.c (emit_library_call_value_1): Handle partial registers
6240 correctly when building up CALL_INSN_FUNCTION_USAGE.
6242 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6244 * pa/predicates.md (move_src_operand): Allow zero for mode.
6245 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6248 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
6251 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6252 *movv2df_internal): Enable pattern only for valid operand
6254 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6255 tie only 128bit modes. For MMX registers, tie only 64bit modes.
6257 2007-02-27 Mike Stump <mrs@apple.com>
6259 * config/darwin-crt3.c: Avoid compilation when compiling for a
6262 2007-02-27 Joseph Myers <joseph@codesourcery.com>
6264 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6266 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6267 for fixed headers and limits.h.
6268 (install-include-dir, install-headers-tar, install-headers-cpio,
6269 install-headers-cp, real-install-headers-tar,
6270 real-install-headers-cpio, real-install-headers-cp): Handle
6271 include-fixed as well as include.
6272 (install-mkheaders): Don't install files that go only in include
6274 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6275 from GCC_INCLUDE_DIR.
6276 * gcc.c (process_command): Remove special -BstageN/ handling.
6277 (do_spec_1): Add include-fixed directories.
6279 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6281 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6283 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6285 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6288 2007-02-27 Mark Mitchell <mark@codesourcery.com>
6290 * c-common.c (get_priority): Add check for
6291 SUPPORTS_INIT_PRIORITY.
6293 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6295 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6297 * config/bfin/bfin.c: Include "cfglayout.h".
6298 (MAX_LSETUP_DISTANCE): New macro.
6299 (struct loop_info): New members incoming, incoming_src and
6300 incoming_dest. Delete member predecessor.
6301 (length_for_loop): New function.
6302 (bfin_optimize_loop): Handle more different loop structures.
6303 (bfin_discover_loop): Rework detection of predecessor blocks by
6304 examining incoming edges.
6305 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6307 (bfin_reorder_loops): New function.
6308 (bfin_reorg_loops): Use these three new functions.
6310 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6311 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6312 (CONSTRAINT_LEN): Add entry for 'q'.
6313 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6314 Add 'q' constraints.
6315 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6316 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6318 * config/bfin/bfin.md (add_with_carry): New pattern.
6319 (s_or_u, su_optab, su_modifier): New code macros/attrs.
6320 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6321 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6322 support unsigned multiplies too. Removed incorrect commutativity from
6323 operand 1 constraint where appropriate.
6324 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6326 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6327 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6329 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6330 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6331 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6332 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6333 usmulhisi_hh_huh): New patterns.
6335 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6336 lshifthi3): Fix output template to use half reg for operand 2.
6338 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6341 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6343 2007-02-27 Andreas Schwab <schwab@suse.de>
6345 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6347 2007-02-27 Jan Hubicka <jh@suse.cz>
6349 * predict.c (last_basic_block_p): Remove.
6350 (tree_estimate_probability): Update return heuristic for commonized
6353 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6355 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6357 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6359 * doc/include/gcc-common.texi (versionsubtitle): New macro.
6360 * doc/cpp.texi: Standardize title page.
6361 * doc/cppinternals.texi: Likewise.
6362 * doc/gcc.texi: Standardize title page, remove version number
6363 from copyright page.
6364 * doc/gccint.texi: Likewise.
6365 * doc/install.texi: Standardize title page, add table of
6368 2007-02-26 Jan Hubicka <jh@suse.cz>
6370 * predict.def: Set outcomes according to more recent results.
6371 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6372 Remove dead predictors.
6373 * predict.c (return_prediction): Fix pasto.
6375 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6377 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6378 change; avoid a memory leak when returning early.
6380 2007-02-26 Mark Mitchell <mark@codesourcery.com>
6382 * c-decl.c (static_ctors): Move to c-common.c.
6383 (static_dtors): Likewise.
6384 (finish_function): Use c_record_cdtor_fn.
6385 (build_cdtor): Move to c-common.c.
6386 (c_write_global_declarations): Use c_build_cdtor_fns.
6387 * c-common.h (static_ctors): Declare.
6388 (static_dtors): Likewise.
6389 (c_record_cdtor_fn): Likewise.
6390 (c_build_cdtor_fns): Likewise.
6391 * c-common.c (static_ctors): New variable.
6392 (static_dtors): Likewise.
6393 (c_record_cdtor_fn): New function.
6394 (build_cdtor): Move from c-decl.c
6395 (c_build_cdtor_fns): New function.
6397 * output.h (assemble_addr_to_section): Declare.
6398 (get_cdtor_priority_section): Likewise.
6399 * varasm.c (assemble_addr_to_section): New function.
6400 (get_cdtor_priority_section): Likewise.
6401 (default_named_section_asm_out_destructor): Use them.
6402 (destor_dtor_section_asm_out_destructor): Likewise.
6403 (default_named_section_asm_out_constructor): Likewise.
6404 (default_ctor_section_asm_out_constructor): Likewise.
6405 * config.gcc (*-*-vxworks*): Include vxworks.o.
6406 * config/t-vxworks (vxworks.o): New target.
6407 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6408 (TARGET_ASM_CONSTRUCTOR): Define.
6409 (TARGET_ASM_DESTRUCTOR): Likewise.
6410 (vxworks_asm_out_constructor): Declare.
6411 (vxworks_asm_out_destructor): Likewise.
6413 * c-common.c (get_priority): Check that we have not just an
6414 INTEGER_CST, but an integer constant with integeral type.
6416 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
6418 PR tree-optimization/30938
6419 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6420 use &dt[nargs-1] instead of &dt[nargs] in the call to
6421 vect_is_simple_use().
6423 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
6425 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6426 from register elimination as PRE_MODIFY / POST_MODIFY increments.
6427 Do not attempt to handle MEM inside auto-inc expressions.
6428 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6429 of a register modified by an auto-inc expression. However, do handle
6430 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6431 (elimination_effects): Prohibit elimination of a register modified
6432 by an auto-inc expression. Disable register elimination rules whose
6433 target register is modified by an auto-inc expression with variable
6436 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
6438 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6440 (array_at_struct_end_p): New function.
6441 (idx_infer_loop_bounds): Use it.
6442 (estimate_numbers_of_iterations_loop): Export.
6443 * predict.c (predict_loops): Use estimated_loop_iterations_int.
6444 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6445 (tree_estimate_probability): Call record_loop_exits.
6446 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6447 (estimated_loop_iterations, estimated_loop_iterations_int,
6448 estimated_loop_iterations_tree): New functions.
6449 (analyze_siv_subscript_cst_affine,
6450 compute_overlap_steps_for_affine_1_2,
6451 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6452 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6453 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6454 (PRED_LOOP_ITERATIONS_GUESSED): New.
6455 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6456 * cfgloop.h (estimate_numbers_of_iterations_loop,
6457 estimated_loop_iterations_int): Declare.
6459 2007-02-25 Mark Mitchell <mark@codesourcery.com>
6461 * doc/extend.texi: Document optional priority argument to
6462 constructors and destructors.
6463 * tree.c (init_priority_for_decl): Adjust GTY markers.
6464 (init_ttree): Use priority-info hash functions for
6465 init_priority_for_decl.
6466 (tree_map_eq): Rename to ...
6467 (tree_map_base_eq): ... this.
6468 (tree_map_marked_p): Rename to ...
6469 (tree_map_base_marked_p): ... this.
6470 (tree_map_base_hash): New function.
6471 (decl_init_priority_lookup): Rework.
6472 (decl_fini_priority_lookup): New function.
6473 (decl_priority_info): New function.
6474 (decl_init_priority_insert): Use it.
6475 (decl_fini_priority_insert): Likewise.
6476 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6478 (decl_restrict_base_insert): Likewise.
6479 (decl_debug_expr_insert): Likewise.
6480 (decl_value_expr_lookup): Likewise.
6481 (decl_value_expr_insert): Likewise.
6482 * tree.h (priority_type): New type.
6483 (decl_init_priority_lookup): Use priority_type.
6484 (decl_fini_priority_lookup): New function.
6485 (decl_init_priority_insert): Use priority_type.
6486 (decl_fini_priority_insert): New function.
6487 (DECL_HAS_INIT_PRIORITY): Tweak comments.
6488 (DECL_INIT_PRIORITY): Likewise.
6489 (SET_DECL_INIT_PRIORITY): Add comment.
6490 (DECL_FINI_PRIORITY): New macro.
6491 (SET_DECL_FINI_PRIORITY): Likewise.
6492 (DEFAULT_INIT_PRIORITY): Document.
6493 (MAX_INIT_PRIORITY): Likewise.
6494 (MAX_RESERVED_INIT_PRIORITY): Likewise.
6495 (tree_map_base): New type.
6496 (tree_map_base_eq): New function.
6497 (tree_map_base_hash): Likewise.
6498 (tree_map_base_marked_p): Likewise.
6499 (tree_map): Inherit from tree_map_base.
6500 (tree_map_eq): Make it a macro.
6501 (tree_map_marked_p): Likewise.
6502 (tree_int_map): Inherit from tree_map_base.
6503 (tree_int_map_eq): Make it a macro.
6504 (tree_int_map_hash): Likewise.
6505 (tree_int_map_marked_p): Likewise.
6506 (tree_priority_map): New type.
6507 (tree_priority_map_eq): New macro.
6508 (tree_priority_map_hash): Likewise.
6509 (tree_priority_map_marked_p): Likewise.
6510 * varasm.c (emults_decl): Adjust for refactoring of tree_map
6512 (emutls_common_1): Likewise.
6513 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6514 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6515 of tree_map hierarchy.
6516 * tree-cfg.c (move_stmt_r): Likewise.
6517 (new_label_mapper): Likewise.
6518 * c-tree.h (c_expand_body): Move to ...
6519 * c-common.h (c_expand_body): ... here.
6520 * c-decl.c (c_expand_body): Move to ...
6521 * c-common.c (c_expand_body): ... here.
6522 (c_common_attribute_table): Allow 1 argument for the constructor
6523 and destructor attributes.
6524 (get_priority): New function.
6525 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6526 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6528 2007-02-24 Jan Hubicka <jh@suse.cz>
6531 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6533 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6534 Jan Hubicka <jh@suse.cz>
6537 * i386.c (counter_mode): New function.
6538 (expand_set_or_movmem_via_loop): Use it.
6539 (expand_movmem_epilogue): Likewise; fix pasto.
6540 (ix86_expand_movmem): Do emit guard even for constant counts.
6541 (ix86_expand_setmem): Likewise.
6543 2007-02-25 Nick Clifton <nickc@redhat.com>
6545 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6546 (JUMP_TABLES_IN_TEXT_SECTION): Define.
6548 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6551 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6552 count argument with 0x10, not with 0x16.
6553 (expand_setmem_epilogue): Ditto.
6555 2007-02-24 Mike Stump <mrs@apple.com>
6557 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6560 2007-02-24 Richard Guenther <rguenther@suse.de>
6563 * fold-const.c (fold_binary): Fold x +- CST op x for
6564 EQ_EXPR and NE_EXPR.
6566 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6568 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6570 2007-02-24 Jan Hubicka <jh@suse.cz>
6572 * cgraphunit.c (decide_is_function_needed): Honor
6573 -fkeep-inline-functions.
6575 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6577 * builtins.c (fold_builtin_modf): New.
6578 (fold_builtin_2): Use it.
6580 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
6582 * loop-iv.c (implies_p): Detect additional cases where A implies B.
6583 (determine_max_iter): Take additional LOOP arg; all callers changed.
6584 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6585 one using simplifications.
6586 (simplify_using_initial_values): Return if the expression becomes
6587 invalid due to altered regs.
6589 2007-02-23 DJ Delorie <dj@redhat.com>
6591 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6593 2007-02-23 Mike Stump <mrs@apple.com>
6595 * tlink.c (scan_linker_output): Parse linker messages from
6596 darwin9's linker better.
6598 2007-02-23 Steve Ellcey <sje@cup.hp.com>
6601 * varpool.c (varpool_assemble_pending_decls): Set
6602 varpool_last_needed_node to null.
6604 2007-02-23 DJ Delorie <dj@redhat.com>
6606 * config/i386/i386.c (ix86_data_alignment): Don't specify an
6607 alignment bigger than the object file can handle.
6609 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
6612 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6613 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6614 (*movsf_1): Penalize MMX moves.
6616 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
6618 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6619 2^32-1 or more times unless flag_unsafe_loop_optimizations.
6621 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6623 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6625 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6626 (fold_builtin_1): Use them.
6627 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6628 BUILT_IN_SIGNIFICAND.
6630 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
6632 * config/i386/i386.c (bdesc_1arg): Initialize
6633 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
6634 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
6635 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
6636 and IX86_BUILTIN_MOVSLDUP.
6638 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
6640 PR rtl-optimization/30841
6641 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
6643 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6645 * builtins.c (fold_builtin_frexp): New.
6646 (fold_builtin_2): Use it.
6648 2007-02-22 Mark Mitchell <mark@codesourcery.com>
6650 * doc/invoke.texi (Spec Files): Document getenv spec function.
6652 * gcc.c (getenv_spec_function): New function.
6653 (static_spec_functions): Add it.
6654 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
6655 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
6658 2007-02-22 Michael Matz <matz@suse.de
6661 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
6662 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
6664 2007-02-22 Ian Lance Taylor <iant@google.com>
6667 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
6668 (mem_loc_descriptor): Call it.
6670 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
6671 Ira Rosen <irar@il.ibm.com>
6673 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
6675 2007-02-22 Ira Rosen <irar@il.ibm.com>
6677 PR tree-optimization/30843
6678 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
6679 stores only after all the group is vectorized.
6681 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
6683 PR tree-optimization/30858
6684 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
6685 in the reduction cycle have a single use in the loop.
6686 * tree-vectorizer.h (relevant): Add documentation.
6688 2007-02-20 Mike Stump <mrs@apple.com>
6690 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
6691 * configure: Regenerate.
6693 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
6695 Change the defaults of some parameters and options.
6696 * config/spu/spu-protos.h (spu_optimization_options): Declare.
6697 * config/spu/spu.c (spu_optimization_options): Add.
6698 (spu_override_options): Change params in spu_optimization_options.
6699 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
6701 Register 127 is only 16 byte aligned when used as a frame pointer.
6702 * config/spu/spu-protos.h (spu_init_expanders): Declare.
6703 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
6704 HARD_FRAME_POINTER_REGNUM.
6705 (spu_legitimate_address): Use regno_aligned_for_reload.
6706 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
6707 aligned when frame_pointer_needed is true.
6708 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
6710 * config/spu/spu.h (INIT_EXPANDERS): Define.
6712 Make sure shift and rotate instructions have valid immediate operands.
6713 * config/spu/predicates.md (spu_shift_operand): Remove.
6714 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
6715 * config/spu/constraints.md (W, O): Extend range.
6716 * config/spu/spu.md (umask, nmask): Define.
6717 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
6718 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
6719 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
6720 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
6721 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
6722 (lshr<mode>3_reg): Fix rtl description.
6724 Make sure mulhisi immediate operands are valid.
6725 * config/spu/predicates.md (imm_K_operand): Add.
6726 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
6728 Generate constants using fsmbi and andi.
6729 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
6730 (print_operand, spu_split_immediate, classify_immediate,
6731 fsmbi_const_p): Handle IC_FSMBI2.
6733 Correctly handle a CONST_VECTOR containing symbols.
6734 * config/spu/spu.c (print_operand): Handle HIGH correctly.
6735 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
6736 (immediate_load_p): Allow symbols that use 2 instructions to create.
6737 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
6738 with symbols when flag_pic is set.
6739 (const_vector_immediate_p): New.
6740 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
6741 accept a CONST_VECTOR with symbols.
6742 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
6743 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
6745 * config/spu/spu.md (high, low): Delete.
6746 (low_<mode>): Define.
6748 Remove INTRmode and INTR_REGNUM, which didn't work.
6749 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
6751 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
6752 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
6753 peephole2 pattern): Don't use INTR or 131.
6754 (movintrcc): Delete.
6755 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
6756 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
6757 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
6758 (UNSPEC_SET_INTR): Add.
6759 * config/spu/spu-modes.def (INTR): Remove.
6761 More accurate warnings about run-time relocations.
6762 * config/spu/spu.c (reloc_diagnostic): Test in_section.
6764 Correctly warn about immediate arguments to specific intrinsics.
6765 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
6766 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
6767 the instruction predicate.
6769 Fix tree check errors with latest update.
6770 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
6772 (spu_expand_builtin): Use CALL_EXPR_FN.
6774 Add missing specific intrinsics.
6775 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
6777 * config/spu/spu_internals.h: Ditto.
6779 Fix incorrect operand modifiers.
6780 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
6781 * config/spu/spu.md (xor<mode>3): Change %S to %J.
6783 Optimize one case of zero_extend of a vec_select.
6784 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
6786 Accept any immediate for hbr.
6787 * config/spu/spu.md (hbr): Change s constraints to i.
6789 2007-02-21 Paul Brook <paul@codesourcery.com>
6791 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
6792 condexec_count when skipping USE and CLOBBER.
6794 2007-02-21 Nick Clifton <nickc@redhat.com>
6796 * common.opt (Warray-bounds): Add Warning attribute.
6797 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
6799 (fsized-zeroes): Add Optimization attribute.
6800 (fsplit-wide-types, ftree-scev-cprop): Likewise.
6801 * c.opt (Wc++0x-compat): Add Warning attribute.
6803 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
6806 * reload1.c (eliminate_regs_in_insn): In the single_set special
6807 case, attempt to re-recognize the insn before falling back to
6808 having reload fix it up.
6810 2007-02-20 Eric Christopher <echristo@gmail.com>
6812 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
6813 Rewrite accordingly.
6814 (frv_read_iacc_argument): Ditto.
6815 (frv_expand_set_builtin): Take a call instead of arglist, update for
6817 (frv_expand_unop_builtin): Ditto.
6818 (frv_expand_binop_builtin): Ditto.
6819 (frv_expand_cut_builtin): Ditto.
6820 (frv_expand_binopimm_builtin): Ditto.
6821 (frv_expand_voidbinop_builtin): Ditto.
6822 (frv_expand_int_void2arg): Ditto.
6823 (frv_expand_prefetches): Ditto.
6824 (frv_expand_voidtriop_builtin): Ditto.
6825 (frv_expand_voidaccop_builtin): Ditto.
6826 (frv_expand_load_builtin): Ditto.
6827 (frv_expand_store_builtin): Ditto.
6828 (frv_expand_mdpackh_builtin): Ditto.
6829 (frv_expand_mclracc_builtin): Ditto.
6830 (frv_expand_mrdacc_builtin): Ditto.
6831 (frv_expand_mwtacc_builtin): Ditto.
6832 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
6835 2007-02-20 Janis Johnson <janis187@us.ibm.com>
6837 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
6838 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
6840 (HAVE_GAS_DFP): Check for assembler support of decimal floating
6842 * configure: Regenerate.
6843 * config.in: Regenerate.
6844 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
6845 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
6846 masks to power6 and power6x and to POWERPC_MASKS.
6847 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6849 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
6850 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
6851 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
6852 Access PROTOTYPE as variable, not mask.
6854 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6856 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
6857 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
6858 * combine.c (adjust_for_new_dest): Use it.
6859 * postreload.c (reload_combine): Likewise.
6861 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
6863 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
6864 notes on an insn with multiple sets, even if single_set returns
6865 non-NULL for that insn.
6867 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6869 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
6872 2007-02-20 Geoffrey Keating <geoffk@apple.com>
6874 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
6875 if user didn't pass it.
6876 * config/i386/darwin.h (CC1_SPEC): Likewise.
6877 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
6878 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
6879 -mmacosx-version-min.
6881 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6882 Uros Bizjak <ubizjak@gmail.com>
6884 * optabs.h (enum optab_index): Add new OTI_scalb.
6885 (scalb_optab): Define corresponding macro.
6886 * optabs.c (init_optabs): Initialize scalb_optab.
6887 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
6889 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
6890 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
6891 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
6892 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
6893 flag_unsafe_math_optimizations is set.
6895 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
6896 to implement scalbf, scalb and scalbl built-ins as inline x87
6899 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6900 DJ Delorie <dj@redhat.com>
6903 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
6904 (diagnostic_report_diagnostic): ... here, and turn them into real
6905 errors. If warnings are inhibited, no need to do anything.
6907 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
6909 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
6910 better code generation.
6912 2007-02-20 Ben Elliston <bje@au.ibm.com>
6914 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
6916 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
6918 * config/alpha/alpha.c, config/alpha/alpha.md,
6919 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
6920 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
6921 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
6922 config/arm/lib1funcs.asm: Follow spelling conventions.
6924 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
6925 config/fr30/fr30.md, config/i386/i386.h,
6926 config/iq2000/iq2000.h, config/iq2000/predicates.md,
6927 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
6928 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
6929 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
6930 config/rs6000/altivec.md, config/rs6000/rs6000.c,
6931 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
6932 config/sparc/sparc.c, config/sparc/sparc.h,
6933 config/sparc/sparc.md, config/spu/constraints.md,
6934 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
6937 2007-02-20 Alan Modra <amodra@bigpond.net.au>
6940 * varasm.c (use_blocks_for_decl_p): Return false for decls with
6943 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
6945 * doc/invoke.texi (-ftree-lrs): Remove.
6947 2007-02-19 Diego Novillo <dnovillo@redhat.com>
6949 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
6952 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
6954 * config/ia64/ia64.c (ia64_expand_builtin): Use the
6955 new CALL_EXPR_FN macro for retrieving the function
6956 declaration of the input expression.
6958 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6960 * c.opt (Waddress): New.
6961 * common.opt (Walways-true): Delete.
6962 (Wstring-literal-comparison): Delete.
6963 * doc/invoke.texi (Warning Options): Delete -Walways-true and
6964 -Wstring-literal-comparison. Add -Waddress.
6966 (Walways-true): Delete.
6967 (Wstring-literal-comparison): Delete.
6968 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
6969 consistently instead of -Walways-true in example.
6970 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
6971 * c-typeck.c (parser_build_binary_op): Replace
6972 -Wstring-literal-comparison and -Walways-true with -Waddress.
6973 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
6976 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6978 * tree-cfg.c (dump_function_to_file): Be prepared for functions
6979 without DECL_STRUCT_FUNCTION initialized.
6981 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
6983 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
6984 due to calls to functions taking pointers as parameters.
6986 2007-02-19 Richard Henderson <rth@redhat.com>
6989 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
6992 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
6994 * config/s390/s390.c (s390_call_saved_register_used,
6995 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
6996 accessed to the new scheme.
6998 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7000 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
7001 (cris_print_index, cris_print_operand, cris_print_operand_address)
7002 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
7003 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
7004 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7006 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7007 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7008 GO_IF_LEGITIMATE_ADDRESS): Ditto.
7009 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7010 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7011 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7012 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7013 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7014 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7015 (uminsi3, call, call_value): Ditto.
7016 (define_split: indir_to_reg_split, unnamed): Ditto.
7018 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
7020 PR tree-optimization/30975
7021 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7024 2007-02-18 Eric Christopher <echristo@gmail.com>
7026 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7027 Remove use of arglist.
7028 (mips_expand_builtin): Remove use of arglist, pass in expr.
7029 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7030 (mips_expand_builtin_movtf): Ditto.
7031 (mips_expand_builtin_compare): Ditto.
7033 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7035 * tree-sra.c (sra_build_assignment): Replace assertion
7036 checking with a comment explaining why it can't be done.
7038 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7041 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7042 during CALL_EXPR representation conversion.
7043 * tree-ssa-propagate.c (set_rhs): Likewise.
7045 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7047 * tree-sra.c (sra_build_assignment): Disable assertion checking
7050 2007-02-18 Roger Sayle <roger@eyesopen.com>
7052 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7053 instead of calling build2 with a GIMPLE_MODIFY_STMT.
7054 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7056 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7057 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
7058 gimplify_init_ctor_eval_range, gimple_push_cleanup,
7059 gimplify_omp_for, gimplify_omp_atomic_pipeline,
7060 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7061 force_gimple_operand): Likewise.
7062 * ipa-cp.c (constant_val_insert): Likewise.
7063 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7064 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7065 perfect_nestify): Likewise.
7066 * langhooks.c (lhd_omp_assignment): Likewise.
7067 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7068 lower_copyprivate_clauses, lower_send_clauses,
7069 lower_send_shared_vars, expand_parallel_call,
7070 expand_omp_for_generic, expand_omp_for_static_nochunk,
7071 expand_omp_for_static_chunk, expand_omp_sections,
7072 lower_omp_single_copy, lower_omp_for_lastprivate,
7073 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7074 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7075 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7078 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
7080 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7081 config/sh/sh.md: Follow spelling conventions.
7083 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7084 config/frv/predicates.md: Follow spelling conventions.
7086 * config/m68k/linux-unwind.h: Fix a comment typo.
7087 * target.h: Follow spelling conventions.
7089 2007-02-18 Roger Sayle <roger@eyesopen.com>
7091 PR rtl-optimization/28173
7092 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
7093 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7094 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7095 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7096 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7098 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7100 * builtins.c (fold_builtin_load_exponent): New.
7101 (fold_builtin_2): Use it.
7103 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
7105 PR rtl-optimization/30773
7106 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7107 if we fail to attach a REG_EQUIV note.
7109 2007-02-18 David Edelsohn <edelsohn@gnu.org>
7110 Roger Sayle <roger@eyesopen.com>
7112 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7114 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7116 * calls.c (initialize_argument_information): Pass original EXP
7117 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
7118 code to split complex arguments here, as part of initializing the
7120 (expand_call): Remove code that builds a list of arguments and
7121 inserts implicit arguments into it. Instead, just count how many
7122 implicit arguments there will be so we can determine the size of
7123 the ARGS array, and let initialize_argument_information do the work.
7124 (split_complex_values): Delete unused function.
7126 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7128 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7130 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7132 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7133 for arg pointer based indexed addressing.
7135 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7137 * config/ia64/ia64.h, config/ia64/ia64.md,
7138 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7139 spelling conventions.
7141 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7143 * config/m68k/m68k.c (split_di): New.
7144 * config/m68k/m68k-protos.h: Declare split_di.
7145 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7146 Improve predicate handling and split constant shifts.
7148 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7150 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7151 parameter for register bitfield operations, general predicates
7154 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7156 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7157 * config/m68k/linux-unwind.h: New file.
7159 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7161 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7162 config/i386/athlon.md, config/ia64/ia64.md,
7163 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7164 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7165 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7166 tree-ssa-loop-niter.c, tree-vect-analyze.c,
7167 tree-vect-transform.c: Fix comment typos.
7169 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
7171 * sched-deps.c (find_insn_list): Remove.
7172 * sched-int.h: Remove the prototype for find_insn_list.
7174 2007-02-16 Geoffrey Keating <geoffk@apple.com>
7176 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7178 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7179 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7180 darwin_rs6000_override_options.
7181 (C_COMMON_OVERRIDE_OPTIONS): Expect
7182 darwin_macosx_version_min to be non-NULL always.
7183 (TARGET_C99_FUNCTIONS): Likewise.
7184 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7185 (DARWIN_MINVERSION_SPEC): New.
7186 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7187 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7189 (DARWIN_MINVERSION_SPEC): New.
7190 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7192 * config/darwin-c.c (darwin_cpp_builtins): Expect
7193 darwin_macosx_version_min to be non-NULL always.
7195 * config/rs6000/rs6000.c: Clean up trailing whitespace.
7197 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
7199 * config/i386/i386.h (x86_use_xchgb): New.
7200 (TARGET_USE_XCHGB): New macro.
7201 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7202 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7203 Split after reload into bswaphi for shifts of 8.
7204 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7205 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7206 or when optimizing for size.
7208 2007-02-16 Richard Guenther <rguenther@suse.de>
7209 Christian Bruel <christian.bruel@st.com>
7211 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7212 DECLs but prefer SSA_NAMEs over DECLs.
7214 2007-02-16 Richard Guenther <rguenther@suse.de>
7216 * tree-flow-inline.h (single_imm_use_p): Remove.
7217 (zero_imm_uses_p): Likewise.
7218 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7219 instead of single_imm_use_p.
7220 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7223 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7226 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7227 nested double- and backquotes.
7229 2007-02-15 Roger Sayle <roger@eyesopen.com>
7232 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
7233 should be unreachable.
7234 (build2_stat): Allow construction of MODIFY_EXPR at any time.
7235 For the time being redirect GIMPLE_MODIFY_STMT to the new
7236 (renamed) build_gimple_modify_stmt_stat.
7237 (build2_gimple_stat): Rename to...
7238 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7239 Always build a GIMPLE_MODIFY_STMT node.
7240 * tree.h (build2_gimple, build2_gimple_stat): Delete.
7241 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7244 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7245 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7246 * tree-complex.c (set_component_ssa_name, expand_complex_move,
7247 expand_complex_div_wide): Likewise.
7248 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7249 * tree-ssa-loop-im.c (schedule_sm): Likewise.
7250 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7251 * tree-ssa-loop-manip.c (create_iv): Likewise.
7252 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7253 abs_replacement): Likewise.
7254 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7255 realify_fake_stores): Likewise.
7257 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7258 node rather than a GIMPLE_MODIFY_STMT node.
7259 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7260 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7262 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7263 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7266 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7269 * fold-const.c (fold_comparison): Add back the
7270 folding of constant complex comparisions.
7272 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7275 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7276 effects unknown to this function, return early.
7278 2007-02-15 Ian Lance Taylor <iant@google.com>
7280 * lower-subreg.c (move_eh_region_note): New static function.
7281 (resolve_simple_move): Call it.
7282 (decompose_multiword_subregs): Track blocks for which we resolve a
7283 simple move which is also a control flow insn. Pass them to
7284 find_many_sub_basic_blocks.
7285 (pass_lower_subreg): Add TODO_verify_flow.
7286 (pass_lower_subreg2): Likewise.
7288 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7289 Brooks Moses <brooks.moses@codesourcery.com>
7290 Lee Millward <lee.millward@codesourcery.com>
7292 * tree.h (enum tree_code_class): Add tcc_vl_exp.
7293 (VL_EXP_CLASS_P): New.
7294 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7296 (TREE_OPERAND_CHECK_CODE): Likewise.
7297 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7298 (TREE_RTL_OPERAND_CHECK): Likewise.
7299 (tree_operand_check_failed): Make second parameter the whole tree
7300 instead of its code. Fixed callers.
7301 (VL_EXP_CHECK): New.
7302 (TREE_OPERAND_LENGTH): New.
7303 (VL_EXP_OPERAND_LENGTH): New.
7304 (CALL_EXPR_FN): New.
7305 (CALL_EXPR_STATIC_CHAIN): New.
7306 (CALL_EXPR_ARGS): New.
7307 (CALL_EXPR_ARG): New.
7308 (call_expr_nargs): New.
7309 (CALL_EXPR_ARGP): New.
7310 (build_nt_call_list): Declare.
7311 (build_vl_exp_stat): Declare.
7312 (build_vl_exp): New.
7313 (build_call_list): Declare.
7314 (build_call_nary): Declare.
7315 (build_call_valist): Declare.
7316 (build_call_array): Declare.
7317 (call_expr_arg): Declare.
7318 (call_expr_argp): Declare.
7319 (call_expr_arglist): Declare.
7320 (fold_build_call_list): Declare.
7321 (fold_build_call_list_initializer): Declare.
7322 (fold_call_expr): Declare to replace fold_builtin.
7323 (fold_builtin_fputs): Update to agree with modified definition.
7324 (fold_builtin_strcpy): Likewise.
7325 (fold_builtin_strncpy): Likewise.
7326 (fold_builtin_memory_chk): Likewise.
7327 (fold_builtin_stxcpy_chk): Likewise.
7328 (fold_builtin_strncpy_chk): Likewise.
7329 (fold_builtin_next_arg): Likewise.
7330 (fold_build_call_expr): Declare.
7331 (fold_builtin_call_list): Declare.
7332 (fold_builtin_call_valist): Declare.
7333 (build_call_expr): Declare.
7334 (validate_arglist): Update to agree with modified definition.
7335 (tree_operand_length): New.
7336 (call_expr_arg_iterator): New.
7337 (init_call_expr_arg_iterator): New.
7338 (next_call_expr_arg): New.
7339 (first_call_expr_arg): New.
7340 (more_call_expr_args_p): New.
7341 (FOR_EACH_CALL_EXPR_ARG): New.
7343 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7344 and tcc_gimple_stmt.
7345 (tree_code_size): Update documentation. Use sizeof (tree) rather
7346 than sizeof (char *).
7347 (tree_size): Likewise. Add case for tcc_vl_exp.
7348 (tree_node_structure): Add case for tcc_vl_exp.
7349 (contains_placeholder_p): Likewise.
7350 (substitute_in_expr): Likewise.
7351 (substitute_placeholder_in_expr): Likewise.
7352 (stabilize_reference_1): Likewise.
7353 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
7354 to diagnose breakage of this interface for constructing CALL_EXPRs.
7355 (build_nt): Add similar assertion here.
7356 (build_nt_call_list): New.
7357 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7358 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7360 (get_callee_fndecl): Use new CALL_EXPR accessors.
7361 (tree_operand_check_failed): Change parameters to pass entire node
7362 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7363 (process_call_operands): New.
7364 (build_vl_exp_stat): New.
7365 (build_call_list): New.
7366 (build_call_nary): New.
7367 (build_call_valist): New.
7368 (build_call_array): New.
7369 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7370 (call_expr_arglist): New.
7372 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7373 tcc_vl_exp instead of a fixed-size tcc_expression.
7375 * doc/c-tree.texi (CALL_EXPR): Document new representation and
7376 accessors for CALL_EXPRs.
7377 (AGGR_INIT_EXPR): Likewise.
7379 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7380 Brooks Moses <brooks.moses@codesourcery.com>
7381 Lee Millward <lee.millward@codesourcery.com>
7383 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7384 (expand_builtin_nonlocal_goto): Change parameter to be entire
7385 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
7386 (expand_builtin_prefetch): Likewise.
7387 (expand_builtin_classify_type): Likewise.
7388 (mathfn_built_in): Return NULL_TREE instead of 0.
7389 (expand_errno_check): Use new CALL_EXPR accessors.
7390 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7391 Return NULL_RTX instead of 0.
7392 (expand_builtin_mathfn_2): Likewise.
7393 (expand_builtin_mathfn_3): Likewise.
7394 (expand_builtin_interclass_mathfn): Likewise.
7395 (expand_builtin_sincos): Likewise.
7396 (expand_builtin_cexpi): Likewise.
7397 (expand_builtin_int_roundingfn): Likewise.
7398 (expand_builtin_int_roundingfn_2): Likewise.
7399 (expand_builtin_pow): Likewise.
7400 (expand_builtin_powi): Likewise.
7401 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7402 of arglist, fixing callers appropriately. Use new CALL_EXPR
7403 accessors and constructors. Return NULL_RTX instead of 0.
7404 (expand_builtin_strstr): Likewise.
7405 (expand_builtin_strchr): Likewise.
7406 (expand_builtin_strrchr): Likewise.
7407 (expand_builtin_strpbrk): Likewise.
7408 (expand_builtin_memcpy): Likewise.
7409 (expand_builtin_mempcpy): Likewise.
7410 (expand_builtin_mempcpy_args): New.
7411 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7412 (expand_builtin_memmove_args): New.
7413 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7414 (expand_movstr): Likewise.
7415 (expand_builtin_strcpy): Likewise.
7416 (expand_builtin_strcpy_args): New.
7417 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7418 (expand_builtin_strncpy): Likewise.
7419 (expand_builtin_memset): Likewise.
7420 (expand_builtin_memset_args): New.
7421 (expand_builtin_bzero): Similarly to expand_builtin_memset.
7422 (expand_builtin_memcmp): Likewise.
7423 (expand_builtin_strcmp): Likewise.
7424 (expand_builtin_strncmp): Likewise.
7425 (expand_builtin_strcat): Likewise.
7426 (expand_builtin_strncat): Likewise.
7427 (expand_builtin_strspn): Likewise.
7428 (expand_builtin_strcspn): Likewise.
7429 (expand_builtin_args_info): Likewise.
7430 (expand_builtin_va_start): Likewise.
7431 (gimplify_va_arg_expr): Likewise.
7432 (expand_builtin_va_end): Likewise.
7433 (expand_builtin_va_copy): Likewise.
7434 (expand_builtin_frame_address): Likewise.
7435 (expand_builtin_alloca): Likewise.
7436 (expand_builtin_bswap): Likewise.
7437 (expand_builtin_unop): Likewise.
7438 (expand_builtin_fputs): Likewise.
7439 (expand_builtin_expect): Likewise.
7440 (expand_builtin_fabs): Likewise.
7441 (expand_builtin_copysign): Likewise.
7442 (expand_builtin_printf): Likewise.
7443 (expand_builtin_fprintf): Likewise.
7444 (expand_builtin_sprintf): Likewise.
7445 (expand_builtin_init_trampoline): Likewise.
7446 (expand_builtin_signbit): Likewise.
7447 (expand_builtin_fork_or_exec): Likewise.
7448 (expand_builtin_sync_operation): Likewise.
7449 (expand_builtin_compare_and_swap): Likewise.
7450 (expand_builtin_lock_test_and_set): Likewise.
7451 (expand_builtin_lock_release): Likewise.
7452 (expand_builtin): Likewise.
7453 (builtin_mathfn_code): Likewise.
7455 (fold_builtin_constant_p): Pass call arguments individually instead
7456 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7457 accessors and constructors. Return NULL_TREE instead of 0.
7458 (fold_builtin_expect): Likewise.
7459 (fold_builtin_classify_type): Likewise.
7460 (fold_builtin_strlen): Likewise.
7461 (fold_builtin_nan): Likewise.
7462 (integer_valued_real_p): Likewise.
7463 (fold_trunc_transparent_mathfn): Likewise.
7464 (fold_fixed_mathfn): Likewise.
7465 (fold_builtin_cabs): Likewise.
7466 (fold_builtin_sqrt): Likewise.
7467 (fold_builtin_cbrt): Likewise.
7468 (fold_builtin_cos): Likewise.
7469 (fold_builtin_cosh): Likewise.
7470 (fold_builtin_tan): Likewise.
7471 (fold_builtin_sincos): Likewise.
7472 (fold_builtin_cexp): Likewise.
7473 (fold_builtin_trunc): Likewise.
7474 (fold_builtin_floor): Likewise.
7475 (fold_builtin_ceil): Likewise.
7476 (fold_builtin_round): Likewise.
7477 (fold_builtin_int_roundingfn): Likewise.
7478 (fold_builtin_bitop): Likewise.
7479 (fold_builtin_bswap): Likewise.
7480 (fold_builtin_logarithm): Likewise.
7481 (fold_builtin_hypot): Likewise.
7482 (fold_builtin_pow): Likewise.
7483 (fold_builtin_powi): Likewise.
7484 (fold_builtin_exponent): Likewise.
7485 (fold_builtin_memset): Likewise.
7486 (fold_builtin_bzero): Likewise.
7487 (fold_builtin_memory_op): Likewise.
7488 (fold_builtin_bcopy): Deleted; call site changed to invoke
7489 fold_builtin_memory_op directly.
7490 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7491 (fold_builtin_strncpy): Likewise.
7492 (fold_builtin_memcmp): Likewise.
7493 (fold_builtin_strcmp): Likewise.
7494 (fold_builtin_strncmp): Likewise.
7495 (fold_builtin_signbit): Likewise.
7496 (fold_builtin_copysign): Likewise.
7497 (fold_builtin_isascii): Likewise.
7498 (fold_builtin_toascii): Likewise.
7499 (fold_builtin_isdigit): Likewise.
7500 (fold_builtin_fabs): Likewise.
7501 (fold_builtin_abs): Likewise.
7502 (fold_builtin_fmin_fmax): Likewise.
7503 (fold_builtin_carg): Likewise.
7504 (fold_builtin_classify): Likewise.
7505 (fold_builtin_unordered_cmp): Likewise.
7507 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7508 New functions split out from fold_builtin_1.
7509 (fold_builtin_n): New.
7510 (fold_builtin_varargs): New.
7511 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
7513 (fold_call_expr): New.
7514 (build_function_call_expr): Rewrite to use new helper function.
7515 (fold_builtin_call_list): New.
7516 (build_call_expr): New.
7517 (fold_builtin_call_valist): New.
7518 (rewrite_call_expr): New.
7519 (validate_arg): New.
7520 (validate_arglist): Change parameter to be entire CALL_EXPR instead
7521 of an arglist. Change return type to bool. Use new CALL_EXPR
7524 (fold_builtin_strstr): Pass call arguments individually instead
7525 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7526 accessors and constructors. Return NULL_TREE instead of 0.
7527 (fold_builtin_strchr): Likewise.
7528 (fold_builtin_strrchr): Likewise.
7529 (fold_builtin_strpbrk): Likewise.
7530 (fold_builtin_strcat): Likewise.
7531 (fold_builtin_strncat): Likewise.
7532 (fold_builtin_strspn): Likewise.
7533 (fold_builtin_strcspn): Likewise.
7534 (fold_builtin_fputs): Likewise.
7535 (fold_builtin_next_arg): Likewise.
7536 (fold_builtin_sprintf): Likewise.
7538 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
7539 NULL_RTX instead of 0.
7540 (expand_builtin_memory_chk): Likewise.
7541 (maybe_emit_chk_warning): Likewise.
7542 (maybe_emit_sprintf_chk_warning): Likewise.
7544 (fold_builtin_object_size): Pass call arguments individually instead
7545 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7546 accessors and constructors. Return NULL_TREE instead of 0.
7547 (fold_builtin_memory_chk): Likewise.
7548 (fold_builtin_stxcpy_chk): Likewise.
7549 (fold_builtin_strncpy_chk): Likewise.
7550 (fold_builtin_strcat_chk): Likewise.
7551 (fold_builtin_strcat_chk): Likewise.
7552 (fold_builtin_strncat_chk): Likewise.
7553 (fold_builtin_sprintf_chk): Likewise.
7554 (fold_builtin_snprintf_chk): Likewise.
7555 (fold_builtin_printf): Likewise.
7556 (fold_builtin_vprintf): Likewise.
7558 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7560 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7561 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7562 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7563 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7564 (fold_unary): Likewise.
7565 (fold_binary): Likewise.
7566 (fold_ternary): Remove CALL_EXPR case, since they are no longer
7567 ternary expressions.
7568 (fold): Add logic for tcc_vl_exp.
7569 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
7570 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7571 (fold_build3_stat): Add assertion to flag broken interface for
7572 constructing CALL_EXPRs.
7573 (fold_build_call_list): New.
7574 (fold_build_call_list_initializer): New.
7575 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7577 (fold_strip_sign_ops): Likewise.
7579 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7580 Brooks Moses <brooks.moses@codesourcery.com>
7581 Lee Millward <lee.millward@codesourcery.com>
7583 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7584 accessors and dump arguments explicitly.
7586 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7588 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7590 (print_call_name): Use new CALL_EXPR accessors.
7592 * print-tree.c (print_node): Add case tcc_vl_exp. Print
7593 CALL_EXPR arguments explicitly instead of as a list. Use
7594 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7596 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7597 (vrp_visit_stmt): Likewise.
7599 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
7600 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
7602 (force_move_till_expr): Likewise.
7604 * targhooks.c (default_external_stack_protect_fail): Use
7605 build_call_expr instead of build_function_call_expr.
7606 (default_hidden_stack_protect_fail): Likewise.
7608 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7611 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7612 and walk arguments explicitly.
7614 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7615 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7616 (expand_simple_operations): Likewise.
7617 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7619 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7620 of TREE_CODE_LENGTH.
7621 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7623 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7624 instead of TREE_CODE_LENGTH.
7626 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7627 (tree_ic_transform): Likewise.
7628 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7629 parameter instead of arglist. Fix callers.
7630 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7631 (tree_stringops_transform): Likewise.
7632 (tree_indirect_call_to_profile): Likewise.
7633 (tree_stringops_values_to_profile): Likewise.
7635 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
7636 (eliminate_tail_call): Likewise.
7638 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
7640 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
7641 Use TREE_OPERAND_LENGTH and generalize to handle any number of
7643 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
7645 * omp-low.c (build_omp_barrier): Use build_call_expr.
7646 (lower_rec_input_clauses): Likewise.
7647 (lower_reduction_clauses): Likewise.
7648 (expand_parallel_call): Likewise.
7649 (maybe_catch_exception): Likewise.
7650 (expand_omp_for_generic): Likewise.
7651 (expand_omp_for_static_nochunk): Likewise.
7652 (expand_omp_sections): Likewise.
7653 (lower_omp_single_simple): Likewise.
7654 (lower_omp_single_copy): Likewise.
7655 (lower_omp_master): Likewise.
7656 (lower_omp_ordered): Likewise.
7657 (lower_omp_critical): Likewise.
7659 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
7660 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
7662 * tree-gimple.c (is_gimple_call_addr): Fix doc.
7663 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
7664 TREE_CODE_LENGTH. Add tcc_vl_exp case.
7666 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
7667 and generalize to handle any number of operands.
7668 (chrec_contains_undetermined): Likewise.
7669 (tree_contains_chrecs): Likewise.
7670 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
7672 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
7674 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
7675 fold_call_expr instead of fold_builtin.
7676 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
7677 match declarations there.
7678 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
7681 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
7682 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7684 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
7685 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
7687 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
7690 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
7691 (execute_cse_sincos): Use new CALL_EXPR accessors.
7693 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
7695 * gimple-low.c (lower_function_body): Use build_call_expr.
7696 (lower_builtin_setjmp): Likewise.
7698 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
7699 (set_storage_via_libcall): Likewise.
7700 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
7701 instead of TREE_CODE_LENGTH.
7702 (expand_expr_real_1): Use new CALL_EXPR accessors.
7704 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
7705 generalize to handle any number of operands.
7706 (TB_parent_eq): Likewise.
7708 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
7709 (strip_builtin_expect): Likewise.
7711 * function.c (gimplify_parameters): Use build_call_expr.
7713 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
7714 instead of TREE_CODE_LENGTH.
7716 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
7717 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
7719 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
7722 * gimplify.c (build_stack_save_restore): Use build_call_expr.
7723 (gimplify_decl_expr): Likewise.
7724 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
7725 Use new CALL_EXPR iterators.
7726 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
7727 (gimplify_modify_expr_to_memset): Likewise.
7728 (gimplify_variable_sized_compare): Likewise.
7729 (gimplify_omp_atomic_fetch_op): Likewise.
7730 (gimplify_omp_atomic_pipeline): Likewise.
7731 (gimplify_omp_atomic_mutex): Likewise.
7732 (gimplify_function_tree): Likewise.
7734 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
7735 (call_expr_flags): Likewise.
7736 (expand_call): Likewise.
7738 * except.c (expand_builtin_eh_return_data_regno): Pass entire
7739 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7742 * coverage.c (create_coverage): Use build_call_expr.
7744 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
7745 (temp_call_expr_obstack): New.
7746 (pool_copy_list): Delete.
7747 (temp_copy_call_expr): New.
7748 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
7749 CALL_EXPR accessors. Get rid of special goo for copying argument
7750 lists and use temp_copy_call_expr instead.
7751 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
7752 CALL_EXPR accessors.
7753 (create_expression_by_pieces): Likewise. Use build_call_array
7754 to construct the result instead of fold_build3.
7755 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
7756 dealing with argument lists.
7757 (init_pre): Remove references to expression_node_pool and
7758 list_node_pool. Init temp_call_expr_obstack instead.
7759 (fini_pre): Remove references to expression_node_pool and
7762 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
7763 and walk arguments explicitly instead of as a list.
7765 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
7766 (mx_register_decls): Likewise.
7767 (mudflap_register_call): Likewise.
7768 (mudflap_finish_file): Likewise.
7770 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
7771 (ipa_callsite_compute_param): Likewise.
7773 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
7774 accessors and constructor.
7776 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
7777 accessors and constructor.
7778 (convert_tramp_reference): Likewise.
7779 (convert_call_expr): Likewise.
7780 (finalize_nesting_tree_1): Likewise.
7782 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
7785 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
7787 * tree-inline.c (initialize_inlined_parameters): Pass entire
7788 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
7790 (estimate_num_insns_1): Use new CALL_EXPR accessors.
7791 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
7793 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
7794 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7795 (vectorizable_reduction): Likewise.
7796 (vectorizable_call): Use new CALL_EXPR iterators.
7797 (vectorizable_conversion): Use build_call_expr.
7798 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
7799 (vect_gen_widened_results_half): Use build_call_expr.
7800 (vect_setup_realignment): Likewise.
7801 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
7803 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
7804 (pass_through_call): Likewise.
7805 (compute_object_sizes): Likewise. Use fold_call_expr instead of
7808 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
7809 (tree_gen_pow2_profiler): Likewise.
7810 (tree_gen_one_value_profiler): Likewise.
7811 (tree_gen_ic_func_profiler): Likewise.
7812 (tree_gen_average_profiler): Likewise.
7813 (tree_gen_ior_profiler): Likewise.
7815 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
7816 (find_func_aliases): Use new CALL_EXPR accessors. Add case
7817 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7819 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
7820 of TREE_CODE_LENGTH.
7822 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
7823 of TREE_CODE_LENGTH.
7825 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
7827 (convert_to_integer): Likewise.
7829 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
7832 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7833 Brooks Moses <brooks.moses@codesourcery.com>
7834 Lee Millward <lee.millward@codesourcery.com>
7836 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
7838 * config/frv/frv.c (frv_expand_builtin): Likewise.
7839 * config/s390/s390.c (s390_expand_builtin): Likewise.
7841 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
7842 (sparc_expand_builtin): Use new CALL_EXPR accessors.
7844 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
7845 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
7846 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
7847 (ix86_expand_store_builtin): Likewise.
7848 (ix86_expand_unop_builtin): Likewise.
7849 (ix86_expand_unop1_builtin): Likewise.
7850 (ix86_expand_sse_compare): Likewise.
7851 (ix86_expand_sse_comi): Likewise.
7852 (ix86_expand_vec_init_builtin): Likewise.
7853 (ix86_expand_vec_ext_builtin): Likewise.
7854 (ix86_expand_vec_set_builtin): Likewise.
7855 (ix86_expand_builtin): Use new CALL_EXPR accessors.
7857 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
7858 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
7860 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
7861 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7862 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
7864 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
7866 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
7867 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
7868 arglist. Use new CALL_EXPR accessors. Fix callers.
7869 (altivec_expand_abs_builtin): Likewise.
7870 (rs6000_expand_binop_builtin): Likewise.
7871 (altivec_expand_predicate_builtin): Likewise.
7872 (altivec_expand_lv_builtin): Likewise.
7873 (spe_expand_stv_builtin): Likewise.
7874 (altivec_expand_stv_builtin): Likewise.
7875 (rs6000_expand_ternop_builtin): Likewise.
7876 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
7877 (altivec_expand_st_builtin): Likewise.
7878 (altivec_expand_dst_builtin): Likewise.
7879 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
7880 arglist. Use new CALL_EXPR accessors. Fix callers.
7881 (altivec_expand_vec_set_builtin): Likewise.
7882 (altivec_expand_vec_ext_builtin): Likewise.
7883 (altivec_expand_builtin): Use new CALL_EXPR accessors.
7884 (spe_expand_builtin): Likewise.
7885 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
7886 arglist. Use new CALL_EXPR accessors. Fix callers.
7887 (spe_expand_evsel_builtin): Likewise.
7888 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
7889 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
7891 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
7892 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7893 (arm_expand_unop_builtin): Likewise.
7894 (arm_expand_builtin): Use new CALL_EXPR accessors.
7896 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
7899 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
7900 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
7901 (bfin_expand_unop_builtin): Likewise.
7902 (bfin_expand_builtin): Use new CALL_EXPR accessors.
7904 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7905 Brooks Moses <brooks.moses@codesourcery.com>
7906 Lee Millward <lee.millward@codesourcery.com>
7908 * c-semantics.c (build_stmt): Add internal diagnostic check.
7910 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
7911 accessors. Print arguments explicitly instead of as a list.
7913 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
7915 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
7916 (c_finish_omp_flish): Likewise.
7918 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
7919 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
7920 instead of TREE_CODE_LENGTH.
7921 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
7922 (c_warn_unused_result): Likewise.
7924 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7927 * doc/invoke.texi (Warning Options): Remove
7928 -Werror-implicit-function-declaration.
7929 (Wimplicit-function-declaration): Update description.
7930 * opts.c (common_handle_option): Move handling of -Werror=* to...
7931 (enable_warning_as_error): ...here.
7932 * opts.h (enable_warning_as_error): Declare.
7933 * c-decl.c (implicit_decl_warning): Unless
7934 -Wno-implicit-function-declaration is given, emit a pedwarn if
7935 -std=c99 or emit a warning if -Wimplicit-function-declaration.
7936 * c.opt (Wimplicit-function-declaration): Replace
7937 mesg_implicit_function_declaration with
7938 warn_implicit_function_declaration.
7939 * c-opts.c (c_common_handle_option):
7940 -Werror-implicit-function-declaration is exactly equal as
7941 -Werror=implicit-function-declaration.
7942 (set_Wimplicit): Replace mesg_implicit_function_declaration with
7943 warn_implicit_function_declaration.
7944 (c_common_post_options): -Wimplict-function-declaration is enabled
7945 by default by -std=c99, otherwise is disabled by default.
7946 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
7948 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7950 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
7951 DECL on the rhs to a DECL on the lhs for debug info purposes if the
7952 former is ignored but not the latter.
7954 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
7956 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
7957 is made and the reference doesn't use the alias set of its type,
7958 do not create the temporary using that type.
7960 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
7962 * jump.c: Remove prototypes for delete_computation and
7963 delete_prior_computation.
7965 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7967 * jump.c (get_label_after): Delete.
7968 (get_label_before, delete_computation, delete_jump,
7969 delete_prior_computation, follow_jumps): Move...
7970 * reorg.c (delete_computation, delete_prior_computation): ... here...
7971 (get_label_before, delete_jump): ... making these static ...
7972 (follow_jumps): ... and simplifying this since it only runs after
7974 * rtl.h (get_label_after, get_label_before, delete_jump,
7975 follow_jumps): Delete prototypes.
7977 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
7979 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
7981 2007-02-15 Nick Clifton <nickc@redhat.com>
7983 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
7984 order to prevent it from being munged by the target.
7986 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
7988 * config/i386/i386.md: Remove misleading comment.
7990 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7992 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
7993 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
7996 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
7998 * tree-sra.c (instantiate_missing_elements): Canonicalize
8000 (sra_build_assignment): New.
8001 (generate_copy_inout, generate_element_copy,
8002 generate_element_zero, generate_one_element_init): Use it.
8004 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8006 * tree-sra.c (instantiate_missing_elements): Canonicalize
8008 (sra_build_assignment): New.
8009 (generate_copy_inout, generate_element_copy,
8010 generate_element_zero, generate_one_element_init): Use it.
8012 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8014 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8017 2007-02-14 Joseph Myers <joseph@codesourcery.com>
8019 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8020 types as aggregates not scalars.
8021 * function.c (assign_stack_temp_for_type): Likewise.
8023 2007-02-14 Roger Sayle <roger@eyesopen.com>
8024 Zdenek Dvorak <dvorakz@suse.cz>
8026 * tree-dump.c (dump_switch_p_1): Require exact match of the option
8029 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8031 * passes.c (next_pass_1): Clear the next field of the copied
8034 2007-02-14 Richard Henderson <rth@redhat.com>
8036 * tree-sra.c (early_sra): New.
8037 (decl_can_be_decomposed_p): Deny va_list if early_sra.
8038 (tree_sra_early, pass_sra_early): New.
8039 * tree-pass.h (pass_sra_early): Declare.
8040 * passes.c (init_optimization_passes): Use it.
8042 2007-02-14 Richard Guenther <rguenther@suse.de>
8044 * flags.h (issue_strict_overflow_warning): Convert to a macro.
8046 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
8048 PR tree-optimization/30771
8049 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8051 (vect_analyze_operations): Induction phis can now be marked as
8053 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8054 Update documentation accordingly.
8056 2007-02-14 Nick Clifton <nickc@redhat.com>
8058 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8059 most 3 arguments are supported.
8060 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8062 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
8064 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8065 Ensure dst->current is valid.
8067 2007-02-13 Paul Brook <paul@codesourcery.com>
8069 * config.gcc: Add arm*-*-uclinux-*eabi.
8070 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8071 (SUBTARGET_EXTRA_LINK_SPEC): Define.
8072 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8073 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8074 (LINK_SPEC): Define.
8076 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8078 * config/arm/uclinux-eabi.h: New file.
8079 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8080 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8083 2007-02-13 Ian Lance Taylor <iant@google.com>
8085 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8086 * flags.h (warn_strict_overflow): Declare.
8087 (enum warn_strict_overflow_code): Define.
8088 (issue_strict_overflow_warning): New static inline function.
8089 * opts.c (warn_strict_overflow): New variable.
8090 (common_handle_option): Handle OPT_Wstrict_overflow and
8091 OPT_Wstrict_overflow_.
8092 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8094 * fold-const.c: Include intl.h.
8095 (fold_deferring_overflow_warnings): New static variable.
8096 (fold_deferred_overflow_warning): New static variable.
8097 (fold_deferred_overflow_code): New static variable.
8098 (fold_defer_overflow_warnings): New function.
8099 (fold_undefer_overflow_warnings): New function.
8100 (fold_undefer_and_ignore_overflow_warnings): New function.
8101 (fold_deferring_overflow_warnings_p): New function.
8102 (fold_overflow_warning): New static function.
8103 (make_range): Add strict_overflow_p parameter. Change all
8105 (extract_muldiv, extract_muldiv_1): Likewise.
8106 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8107 tree_expr_nonnegative_p.
8108 (fold_negate_expr): Call fold_overflow_warning.
8109 (fold_range_test): Likewise.
8110 (fold_comparison): Likewise.
8111 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
8112 instead of tree_expr_nonnegative_p.
8113 (tree_expr_nonnegative_warnv_p): Rename from
8114 tree_expr_nonnegative_p, add strict_overflow_p parameter.
8115 (tree_expr_nonnegative_p): New function.
8116 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8117 strict_overflow_p parameter.
8118 (tree_expr_nonzero_p): New function.
8119 * passes.c (verify_interpass_invariants): New static function.
8120 (execute_one_pass): Call it.
8121 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8123 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8124 (estimate_numbers_of_iterations): Likewise.
8125 (scev_probably_wraps_p): Likewise.
8126 * tree-ssa-ccp.c: Include "toplev.h".
8127 (evaluate_stmt): Defer fold overflow warnings until we know we are
8129 (struct fold_stmt_r_data): Add stmt field.
8130 (fold_stmt_r): Defer fold overflow warnings until we know we
8132 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8133 (fold_stmt_inplace): Likewise.
8134 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8135 (cleanup_control_expr_graph): Defer fold overflow warnings until
8136 we know we are going to optimize.
8137 * tree-cfg.c (fold_cond_expr_cond): Likewise.
8138 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8140 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8141 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8142 * tree-ssa-loop-manip.c (create_iv): Likewise.
8143 * c-typeck.c (build_conditional_expr): Likewise.
8144 (build_binary_op): Likewise.
8145 * tree-vrp.c (vrp_expr_computes_nonzero): Call
8146 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8147 (extract_range_from_unary_expr): Likewise.
8148 * simplify-rtx.c (simplify_const_relational_operation): Warn when
8149 assuming that signed overflow does not occur.
8150 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8151 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8152 (fold_defer_overflow_warnings): Declare.
8153 (fold_undefer_overflow_warnings): Declare.
8154 (fold_undefer_and_ignore_overflow_warnings): Declare.
8155 (fold_deferring_overflow_warnings_p): Declare.
8156 (tree_expr_nonzero_warnv_p): Declare.
8157 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8159 (Warning Options): Document -Wstrict-overflow.
8160 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8161 (tree-ssa-ccp.o): Likewise.
8162 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8163 (fold-const.o): Depend on intl.h.
8165 2007-02-13 Ian Lance Taylor <iant@google.com>
8168 * lower-subreg.c (resolve_simple_move): Decompose subregs in
8171 2007-02-13 Stuart Hastings <stuart@apple.com>
8173 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8175 2007-02-13 Richard Henderson <rth@redhat.com>
8177 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8178 handled_component_p before looking for the indirect_ref.
8180 2007-02-13 Richard Henderson <rth@redhat.com>
8182 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8183 remove flags clobber.
8184 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8185 (bswaphi_lowpart): New.
8186 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8187 remove TARGET_BSWAP test. Delete expander of the same name.
8189 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8190 (expand_unop): Use them.
8192 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
8194 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8195 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8196 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8197 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8198 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8199 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8200 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8201 assembler dialect choice from asm templates.
8203 2007-02-12 Richard Henderson <rth@redhat.com>
8205 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8206 (fixuns_trunc<SSEMODEF>si2): Use it.
8207 * config/i386/sse.md (vec_setv4sf_0): Export.
8208 * config/i386/i386.c (ix86_build_const_vector): Export.
8209 (ix86_split_convert_uns_si_sse): Rename from
8210 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8211 * config/i386/i386-protos.h: Update.
8213 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8216 * c-typeck.c (c_finish_return): Improve warning message.
8218 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8220 * alias.c (find_symbolic_term): Delete unused function.
8222 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
8224 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8225 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8226 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8228 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8230 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8231 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8232 the function, temporarily point the debug interface to the null one.
8234 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8236 * dwarf2out.c (round_up_to_align): New static function.
8237 (field_byte_offset): Use it to round the offset.
8239 2007-02-12 Richard Henderson <rth@redhat.com>
8241 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8242 (inswl_const): Export.
8244 2007-02-12 Richard Henderson <rth@redhat.com>
8246 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8247 result mode of the libcall, convert back to outmode.
8249 2007-02-12 Roger Sayle <roger@eyesopen.com>
8251 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8252 (bswapdi2): New define_expand to implement 32-bit implementation.
8254 2007-02-12 Nick Clifton <nickc@redhat.com>
8256 * doc/invoke.texi (Overall Options): Document --help=.
8257 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8258 (cc1_options): Pass --help= on to cc1.
8259 (display_help): Add description of --help=.
8260 (process_command): Add code to handle --help=. Allow translated
8261 --help and --target-help switches to be passed on to compiler
8263 (main): Remove unused if statement.
8264 * opts.c (columns): Remove.
8265 (LEFT_COLUMN): Define.
8266 (wrap_help): Add columns argument.
8267 (print_filtered_help): Change parameters to be an include bitmask,
8268 an exclude bitmask, an any bitmask and the column width. Move the
8269 code to display the params list here. Add code to display the
8270 status of options rather than their descriptions if the quiet flag
8272 (print_specific_help): Change parameters to be an include bitmask,
8273 an exclude bitmask and an any bitmask. Move code to look up the
8274 column width here. Decide upon the title for an options listing.
8275 (common_handle_options): Add code to handle --help=. Adapt code
8276 for --help and --target-help to use the revised form of the
8277 print_specific_help function.
8278 (print_help): Delete.
8279 (print_param_help): Delete.
8280 (print_switch): Delete.
8281 * opts.h (cl_lang_count): Add prototype.
8282 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8283 CL_MAX_OPTION_CLASS): New defines.
8284 * optc-gen.awk: Add construction of cl_lang_count.
8285 * c.opt: Add Warning attribute to warning options and Optimization
8286 attribute to optimization options.
8287 * common.opt: Likewise.
8289 Add -fhelp and -ftarget-help as aliases for the transformed --help
8290 and --target-help options.
8291 * opt-functions.awk: Add code to handle Warning and Optimization
8294 2007-02-12 Richard Henderson <rth@redhat.com>
8296 * config/alpha/constraints.md: New file.
8297 * config/alpha/alpha.c: Include tm-constrs.h.
8298 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8299 alpha_extra_constraint): Remove.
8300 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8301 * config/alpha/alpha-protos.h: Update.
8302 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8303 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8304 (EXTRA_CONSTRAINT): Remove.
8305 * config/alpha/alpha.md: Include constraints.md.
8306 (adddi splitter): Use satisfies_constraint_*.
8307 * config/alpha/predicates.md (add_operand): Likewise.
8308 (sext_add_operand, addition_operation): Likewise.
8310 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
8312 PR tree-optimization/29145
8313 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8314 in our handling of restrict qualified pointers.
8316 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8319 * doc/invoke.texi (Wunused-value): Update description.
8320 (Wextra): Delete item.
8321 * opts.c (set_Wextra): Don't use the value of Wextra to set the
8322 value of Wunused-value.
8323 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8324 (c_finish_stmt_expr): Don't check extra_warnings.
8325 (emit_side_effect_warnings): The caller is responsible to check
8328 2007-02-11 Roger Sayle <roger@eyesopen.com>
8329 Matt Thomas <matt@3am-software.com>
8331 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8333 2007-02-11 Roger Sayle <roger@eyesopen.com>
8335 * simplify-rtx.c (simplify_relational_operation_1): Optimize
8336 comparisons of POPCOUNT against zero.
8337 (simplify_const_relational_operation): Likewise.
8339 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8341 * doc/invoke.texi (Wextra): Delete outdated paragraph.
8343 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8345 * dwarf2out.c (root_type): Delete unused function.
8347 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8349 * genattrtab.c (contained_in_p): Delete unused function.
8350 (write_expr_attr_cache): Likewise.
8352 2007-02-11 Jan Hubicka <jh@suse.cz>
8354 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8357 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
8359 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8360 to add the REG_EQ* note.
8361 * see.c (see_merge_one_use_extension): Likewise.
8362 * local-alloc.c (update_equiv_regs): Likewise. Also don't
8363 turn REG_EQUAL notes into REG_EQUIV notes if the target
8364 register may have more than one set.
8365 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8366 * gcse.c (try_replace_reg): Likewise.
8367 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8368 * calls.c (fixup_tail_calls): Likewise. Abort if there is
8369 more than one REG_EQUIV note.
8370 * reload1.c (gen_reload): Use set_unique_reg_note.
8372 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
8374 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8375 (ix86_builtin_conversion): New function.
8377 2007-02-06 Mark Mitchell <mark@codesourcery.com>
8380 * tree.h (DECL_REPLACEABLE_P): New macro.
8381 * except.c (set_nothrow_function_flags): Likewise.
8383 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
8384 Ira Rosen <irar@il.ibm.com>
8385 Dorit Nuzman <dorit@il.ibm.com>
8387 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8388 * targhooks.c (default_builtin_vectorized_conversion): New.
8389 * targhooks.h (default_builtin_vectorized_function): New declaration.
8390 * target.h (struct vectorize): Add builtin_conversion field.
8391 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8392 stmt_vec_info_type value.
8393 (vectorizable_conversion): New declaration.
8394 * tree-vect-analyze.c (vect_analyze_operations): Add
8395 vectorizable_conversion call.
8396 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8397 * tree-vect-transform.c (vectorizable_conversion): New function.
8398 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8399 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8401 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8402 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8403 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8404 or ALTIVEC_BUILTIN_VCFSX.
8406 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8409 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8410 CONST_DOUBLE and operand 0 is a hard register.
8411 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8412 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
8413 is a hard floating-point register.
8415 2007-02-10 Richard Henderson <rth@redhat.com>
8416 Jakub Jelinek <jakub@redhat.com>
8417 Alexandre Oliva <aoliva@redhat.com>
8419 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8420 * builtin-types.def (BT_WORD): Make unsigned.
8421 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8422 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8423 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8424 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8425 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8426 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8428 * expr.c (emutls_var_address): New.
8429 (expand_expr_real_1): Expand emulated tls.
8430 (expand_expr_addr_expr_1): Likewise.
8431 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8432 * output.h (emutls_finish): Declare.
8433 * toplev.c (compile_file): Call it.
8434 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8435 address before wrapping in CONST.
8436 * varasm.c (emutls_htab, emutls_object_type): New.
8437 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8438 (get_emutls_object_name, get_emutls_object_type): New.
8439 (get_emutls_init_templ_addr, emutls_decl): New.
8440 (emutls_common_1, emutls_finish): New.
8441 (assemble_variable): When emulating tls, swap decls; generate
8442 constructor for the emutls objects.
8443 (do_assemble_alias): When emulating tls, swap decl and target name.
8444 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8446 * varpool.c (decide_is_variable_needed): Look at force_output.
8447 Recurse for emulated tls.
8448 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8449 with decide_is_variable_needed.
8450 * emutls.c: New file.
8451 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8452 tls_object for real tls.
8454 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8456 PR rtl-optimization/29599
8457 * reload1.c (eliminate_regs_in_insn): Take the destination
8458 mode into account when computing the offset.
8460 2007-02-09 Stuart Hastings <stuart@apple.com>
8461 Richard Henderson <rth@redhat.com>
8463 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8464 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8465 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8466 fixuns_truncdfhi2): New.
8467 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8468 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8469 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8470 (floatunssidf2): Allow nonimmediate source.
8471 * config/i386/sse.md (movdi_to_sse): New.
8472 (vec_concatv2di): Drop '*'.
8473 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8474 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8475 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8477 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8478 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8479 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8480 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8481 (ix86_build_signbit_mask): Fix decl of v, refactor to call
8482 ix86_build_const_vector.
8483 (x86_emit_floatuns): Rewrite.
8485 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8487 * genautomata.c (longest_path_length): Delete unused function.
8488 (struct state): Delete unused longest_path_length.
8489 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8490 (get_free_state): Delete unused.
8492 2007-02-09 Jan Hubicka <jh@suse.cz>
8494 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8495 * doc/invoke.texi (inline-unit-growth): Update default value.
8497 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8498 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8499 (rebuild_cgraph_edges): Likewise.
8500 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8501 (dump_cgraph_node): Dump frequencies.
8502 (cgraph_clone_edge): Add frequency scales.
8503 (cgraph_clone_node): Add freuqnecy.
8504 * cgraph.h (cgraph_edge): Add freuqnecy argument.
8505 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8506 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8507 * tree-pass.h (TODO_rebuild_frequencies): New constant.
8508 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8509 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8510 (save_inline_function_body): Likewise.
8511 * ipa-inline.c: inluce rtl.h
8512 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8513 (cgraph_edge_badness): Use frequencies.
8514 (cgraph_decide_recursive_inlining): Update clonning.
8515 (cgraph_decide_inlining_of_small_function): Dump frequency.
8516 * predict.c (estimate_bb_frequencies): Export.
8517 * predict.h (estimate_bb_frequencies): Declare.
8518 * tree-inline.c (copy_bb): Watch overflows.
8519 (expand_call_inline): Update call of cgraph_create_edge.
8520 (optimize_inline_calls): Use TODO flags to update frequnecies.
8521 * passes.h: Include predict.h
8522 (init_optimization_passes): Move profile ahead.
8523 (execute_function_todo): Handle TODO_rebuild_frequencies.
8525 2007-02-09 Roger Sayle <roger@eyesopen.com>
8527 * config/alpha/alpha.c (emit_insxl): Force the first operand of
8528 the insbl or inswl pattern into a register.
8530 2007-02-09 Roger Sayle <roger@eyesopen.com>
8532 * config/ia64/ia64.md (bswapdi2): New define_insn.
8534 2007-02-09 Richard Henderson <rth@redhat.com>
8536 * config/i386/constraints.md (Ym): New constraint.
8537 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8538 (movdi_1_rex64): Split sse and xmm general register moves from
8539 memory move alternatives. Use conditional register constraints.
8540 (movsf_1, movdf_integer): Likewise.
8541 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8542 (movdf_integer_rex64): New.
8543 (pushsf_rex64): Fix output constraints.
8544 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8545 (sse2_stored): Likewise.
8546 (sse2_storeq_rex64): New.
8547 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8548 amd and not generic.
8549 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8550 for optimize_size. Remove SF/DFmode hack.
8552 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8554 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8557 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
8558 Richard Sandiford <richard@codesourcery.com>
8560 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8561 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8562 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8563 m68k/t-mlib to tmake_file.
8564 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
8565 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8566 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8567 Allow it to be cf or m68k. Set m68k_arch_family. If that
8568 variable is not empty, add t-$m68k_arch_family to tmake_file.
8569 Add t-mlibs to tmake_file.
8570 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8571 * config/m68k/t-cf: New file.
8572 * config/m68k/t-m68k: Likewise.
8573 * config/m68k/t-mlibs: Likewise.
8574 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8575 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8576 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8577 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8578 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8580 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8581 (INSTALL_LIBGCC): Delete.
8582 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8583 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8584 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8585 (M68K_MLIB_CPU): Define.
8586 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8587 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8588 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8590 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8591 Richard Guenther <rguenther@suse.de>
8594 * fold-const.c (fold_comparison): Handle obfuscated comparisons
8595 against INT_MIN/INT_MAX.
8596 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8597 file if a loop is removed.
8599 2007-02-09 Joseph Myers <joseph@codesourcery.com>
8601 * calls.c (store_one_arg): Pass correct alignment to
8602 emit_push_insn for non-BLKmode values.
8603 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8604 unaligned stack slot via a suitably aligned slot.
8606 2007-02-08 DJ Delorie <dj@redhat.com>
8608 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8610 (legal_subregs): Use unsigned char, make const.
8611 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
8613 2007-02-08 Paul Brook <paul@codesourcery.com>
8615 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8616 special interworking needed.
8618 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
8620 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8621 conditional to __SSE2__.
8622 (Entries below should have been added to first ChangeLog
8623 entry for amdfam10 dated 2007-02-05)
8624 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8626 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8628 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8631 2007-02-08 DJ Delorie <dj@redhat.com>
8633 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
8634 * config/m32c/m32c.c (legal_subregs): New.
8635 (m32c_illegal_subreg_p): New.
8636 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
8637 unsupported subregs of hard regs.
8639 2007-02-08 Jan Hubicka <jh@suse.cz>
8641 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
8642 the same one; always update histograms.
8644 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8646 * passes.c (init_optimization_passes): Tidy comment.
8648 2007-02-08 Roger Sayle <roger@eyesopen.com>
8650 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
8651 strip zero_extend, bswap and rotates from POCOUNT's argument.
8652 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
8653 zero_extend and rotates from PARITY's argument.
8654 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
8655 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
8656 of an integer constant at compile-time.
8658 2007-02-08 Diego Novillo <dnovillo@redhat.com>
8661 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
8663 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
8666 * tree-ssa-live.c (remove_unused_locals): Do not remove
8667 TREE_ADDRESSABLE variables.
8668 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
8669 * tree-ssa-operands.c (add_virtual_operand): Remove argument
8670 FOR_CLOBBER. Update all users.
8671 If VAR has an associated alias set, add a virtual operand for
8672 it if no alias is found to conflict with the memory reference.
8674 2007-02-07 Jan Hubicka <jh@suse.cz>
8675 Robert Kidd <rkidd@crhc.uiuc.edu>
8677 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
8679 2007-02-07 Ian Lance Taylor <iant@google.com>
8681 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
8683 2007-02-07 Roger Sayle <roger@eyesopen.com>
8685 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
8686 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
8687 tablejumpdi, movsi_to_cr_one): Remove constraints from
8688 define_expand's match_operands.
8690 2007-02-07 Roger Sayle <roger@eyesopen.com>
8692 * global.c (compute_regsets): Move declatation of "i" inside of
8693 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
8695 2007-02-07 Jakub Jelinek <jakub@redhat.com>
8698 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
8699 of INDIRECT_REF <RESULT_DECL>.
8701 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
8703 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
8704 Kaz Kojima <kkojima@gcc.gnu.org>
8707 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
8709 (sh_initialize_trampoline): Add parentheses to avoid a warning.
8711 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8713 * doc/loop.texi: Document possibility not to perform disambiguation
8714 of loops with multiple latches.
8715 * cfgloopmanip.c (alp_enum_p): Removed.
8716 (add_loop): Handle subloops. Use get_loop_body_with_size.
8717 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
8718 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
8719 the new forwarder block.
8720 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
8721 Handle the case latch is NULL.
8722 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
8723 when marking loop exits.
8724 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
8726 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
8727 disambiguate_loops_with_multiple_latches.
8728 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
8729 before fix_loop_structure.
8730 * cfgloop.c: Include pointer-set.h and output.h.
8731 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
8732 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
8733 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
8734 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
8735 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
8736 disambiguate_multiple_latches, get_loop_body_with_size,
8737 disambiguate_loops_with_multiple_latches): New functions.
8738 (flow_loop_dump): Dump multiple latch edges.
8739 (flow_loop_nodes_find): Handle loops with multiple latches.
8740 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
8741 (glb_enum_p): Modified.
8742 (get_loop_body): Use get_loop_body_with_size.
8743 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
8744 (AVOID_CFG_MODIFICATIONS): New constant.
8745 (disambiguate_loops_with_multiple_latches, add_loop,
8746 get_loop_body_with_size): Declare.
8747 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
8749 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
8752 * global.c (compute_regsets): New function.
8753 (global_alloc): Refactored ELIMINABLE_REGSET
8754 and NO_GLOBAL_ALLOC_REGS computation out.
8755 (rest_of_handle_global_alloc): Call compute_regsets()
8756 for non-optimizing case.
8758 2007-02-06 Richard Henderson <rth@redhat.com>
8760 * config/i386/constraints.md (Y2): Rename from Y.
8761 (Yi): New constraint.
8762 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
8763 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
8764 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
8765 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
8766 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
8767 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
8768 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
8769 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
8770 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
8771 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
8772 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
8773 vec_extractv2si_1): Change Y constraints to Y2.
8774 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
8775 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
8776 Change Y constraints to Y2.
8777 (sse2_loadld): Change Y constraints to x.
8779 2007-02-06 Roger Sayle <roger@eyesopen.com>
8781 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
8782 (parity<mode>2): New define_expand using rs6000_emit_parity.
8783 * config/rs6000/rs6000.c (rs6000_emit_popcount,
8784 rs6000_emit_parity): New functions.
8785 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
8786 rs6000_emit_parity): Prototype here.
8788 2007-02-06 Ian Lance Taylor <iant@google.com>
8790 * lower-subreg.c (simple_move_operand): Reject CONST.
8791 (resolve_clobber): Call validate_change rather than directly
8792 assigning to XEXP (pat, 0).
8794 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8796 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
8797 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
8798 (tree-cfg.o): Remove hashtab.h dependency.
8800 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
8801 (struct ivopts_data): Change niters to pointer_map_t.
8802 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
8803 (niter_for_exit): Create pointer_map on demand. Change for
8805 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
8806 (free_loop_data): Destroy data->niters if created and reset field.
8807 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
8808 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
8810 * tree-ssa-reassoc.c: Include pointer-set.h.
8811 (bb_rank): Change to long *.
8812 (operand_rank): Change to pointer_map_t.
8813 (find_operand_rank): Return long, -1 if not found. Declare as inline.
8814 (insert_operand_rank): Accept long.
8815 (operand_entry_hash, operand_entry_eq): Remove.
8816 (get_rank): Return long. Adjust for changes above.
8817 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
8819 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
8821 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
8822 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
8823 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
8825 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
8826 directly since it cannot be NULL.
8827 (get_vi_for_tree): Rewrite for pointer_map API.
8828 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
8829 (init_alias_vars): Create vi_for_tree as pointer_map.
8830 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
8832 * tree-cfg.c: Don't include hashtab.h.
8833 (edge_to_cases): Declare as pointer_map.
8834 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
8836 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
8837 (start_recording_case_labels): Create edge_to_cases as pointer_map.
8838 (end_recoding_case_labels): Cleanup edge_to_cases manually before
8840 (record_switch_edge): Delete.
8841 (get_cases_for_edge): Adjust for pointer_map API, inline
8842 record_switch_edge (rewritten for new API), remove goto.
8844 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
8846 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
8847 * tree-nested.c: Include pointer-set.h.
8848 (var_map_elt, var_map_eq, var_map_hash): Delete.
8849 (struct nesting_info): Remove GTY marker. Change the two htab_t's
8851 (nesting_info_bitmap_obstack): New.
8852 (lookup_field_for_decl): Adjust for pointer_map API.
8853 (lookup_tramp_for_decl): Adjust for pointer_map API.
8854 (get_nonlocal_debug_decl): Adjust for pointer_map API.
8855 (get_local_debug_decl): Adjust for pointer_map API.
8856 (convert_nl_goto_reference): Adjust for pointer_map API.
8857 (convert_nl_goto_receiver): Adjust for pointer_map API.
8858 (create_nesting_tree): Create outside GGC space. Create bitmap on
8859 the new obstack. Create field_map and var_map as pointer_maps.
8860 (free_nesting_tree): Adjust for changes to create_nesting_tree.
8862 (lower_nested_functions): Move root here, no need to NULL it.
8863 Initialize and release the obstack.
8865 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
8867 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
8868 Remove prototypes and make them non-static.
8869 (struct tree_int_map): Remove.
8870 * tree.h (struct tree_int_map): Move here, turning TO into an
8872 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
8874 * tree.h (TREE_COMPLEXITY): Remove.
8875 (struct tree_exp): Remove complexity field.
8876 * tree.c (build1_stat): Don't set it.
8878 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
8879 Victor Kaplansky <victork@il.ibm.com>
8881 * tree-vectorizer.c (vect_is_simple_use): Support induction.
8882 (vect_is_simple_reduction): Support reduction with induction as
8883 one of the operands.
8884 (vect_is_simple_iv_evolution): Fix formatting.
8885 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
8886 formatting. Don't mark induction phis for vectorization.
8887 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
8888 * tree-vect-transform.c (get_initial_def_for_induction): New function.
8889 (vect_get_vec_def_for_operand): Support induction.
8890 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
8892 (vectorizable_reduction): Support reduction with induction as one of
8894 (vectorizable_type_demotion): Use def-type of stmt argument rather
8895 than dummy def-type.
8897 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
8898 flag_tree_scev_cprop.
8899 * common.opt (tree-scev-cprop): New flag.
8901 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
8902 call to vect_get_new_vect_var.
8904 2007-02-06 Ira Rosen <irar@il.ibm.com>
8906 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
8907 vectype is not NULL.
8908 (vect_pattern_recog_1): Likewise.
8910 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8912 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
8913 (fold_negate_expr): Likewise.
8915 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
8918 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
8919 even if cv-qualification is the same.
8921 2007-02-05 Geoffrey Keating <geoffk@apple.com>
8923 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
8924 __enable_execute_stack on completion.
8926 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8928 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
8929 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
8930 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
8931 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
8932 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
8933 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
8934 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
8935 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
8937 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8939 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
8940 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
8941 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
8942 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
8943 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
8944 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
8945 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
8946 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
8947 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
8948 umuldi3_highpart_rex64, umulsi3_highpart_insn,
8949 umulsi3_highpart_zext, smuldi3_highpart_rex64,
8950 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
8951 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
8952 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
8953 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
8954 sqrtextenddfxf2_i387): Added amdfam10_decode.
8956 * config/i386/athlon.md (athlon_idirect_amdfam10,
8957 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
8958 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
8959 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
8960 athlon_ivector_store_amdfam10): New define_insn_reservation.
8961 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
8964 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8966 * config/i386/athlon.md (athlon_call_amdfam10,
8967 athlon_pop_amdfam10, athlon_lea_amdfam10): New
8968 define_insn_reservation.
8969 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
8970 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
8971 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
8973 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8975 * config/i386/athlon.md (athlon_sseld_amdfam10,
8976 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
8977 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
8979 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8981 * config/i386/athlon.md (athlon_sseins_amdfam10): New
8982 define_insn_reservation.
8983 * config/i386/i386.md (sseins): Added sseins to define_attr type
8984 and define_attr unit.
8985 * config/i386/sse.md: Set type attribute to sseins for insertq
8988 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8990 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
8991 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
8992 ssecomi_load_amdfam10, ssecomi_amdfam10,
8993 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
8994 define_insn_reservation.
8995 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
8997 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
8999 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
9000 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
9001 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
9002 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
9003 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
9004 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
9005 define_insn_reservation.
9007 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9008 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9009 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9010 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9011 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9013 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9015 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9016 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9017 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9018 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9019 athlon_ssemul_load_k8): Added amdfam10.
9021 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9023 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9024 (x86_sse_unaligned_move_optimal): New variable.
9026 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9028 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9029 for unaligned vector SSE double/single precision loads for AMDFAM10.
9031 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9033 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9034 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9035 Define TARGET_CPU_DEFAULT_amdfam10.
9036 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9037 (processor_type): Add PROCESSOR_AMDFAM10.
9039 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9040 processor_type in config/i386/i386.h.
9041 Enable imul peepholes for TARGET_AMDFAM10.
9043 * config.gcc: Add support for --with-cpu option for amdfam10.
9045 * config/i386/i386.c (amdfam10_cost): New variable.
9046 (m_AMDFAM10): New macro.
9047 (m_ATHLON_K8_AMDFAM10): New macro.
9048 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9049 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9050 x86_promote_QImode, x86_integer_DFmode_moves,
9051 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9052 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9053 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9054 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9055 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9056 Enable/disable for amdfam10.
9057 (override_options): Add amdfam10_cost to processor_target_table.
9058 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9059 processor_alias_table.
9060 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9061 (ix86_adjust_cost): Add code for amdfam10.
9063 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9065 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9066 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9067 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9068 * config/i386/i386.h: Add builtin definition for SSE4A.
9069 * config/i386/i386.md: Add support for ABM instructions
9071 * config/i386/sse.md: Add support for SSE4A instructions
9072 (movntss, movntsd, extrq, insertq).
9073 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9074 Add -march=amdfam10 flag.
9075 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9076 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9078 * doc/extend.texi: Add documentation for SSE4A builtins.
9080 2007-02-05 Bob Wilson <bob.wilson@acm.org>
9082 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9084 2007-02-05 Richard Guenther <rguenther@suse.de>
9086 * tree-vectorizer.h (vectorizable_function): Add argument type
9087 argument, change return type.
9088 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9089 * tree-vect-transform.c (vectorizable_function): Handle extra
9090 argument, return vectorized function decl.
9091 (build_vectorized_function_call): Remove.
9092 (vectorizable_call): Handle calls with result and argument types
9093 differing. Handle loop vectorization factor correctly.
9094 * targhooks.c (default_builtin_vectorized_function): Adjust for
9096 * targhooks.h (default_builtin_vectorized_function): Likewise.
9097 * target.h (builtin_vectorized_function): Add argument type
9099 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9100 extra argument, allow vectorizing of lrintf.
9101 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9102 documentation of target hook.
9104 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
9107 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9108 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9109 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9111 2007-02-05 Roger Sayle <roger@eyesopen.com>
9113 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9114 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9115 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9116 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9117 before canonicalizing sincos to cexpi.
9118 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9120 2007-02-05 Roger Sayle <roger@eyesopen.com>
9122 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9123 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9124 (alpha_init_builtins): Use alpha_add_builtins to process tables.
9126 2007-02-05 Roger Sayle <roger@eyesopen.com>
9128 * mips-tfile.c (initialize_init_file): Correct endianness test.
9130 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
9132 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9135 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9137 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9138 saves in a PARALLEL before the register assignments.
9140 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9142 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9143 DWARF_FRAME_RETURN_COLUMN to be a general register.
9144 * dwarf2out.c (init_return_column_size): New function, split from...
9145 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
9146 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9147 to be nongeneral registers.
9148 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9150 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9151 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9153 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9155 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9157 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9159 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9160 (remove_path): Use can_remove_branch_p and remove_branch instead
9161 of loop_delete_branch_edge.
9162 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9163 (tree_transform_and_unroll_loop): Remove dead branches immediately.
9164 Update profile using scale_dominated_blocks_in_loop.
9165 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9166 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9167 (can_remove_branch_p, remove_branch): Declare.
9168 * tree-cfg.c (tree_can_remove_branch_p): New function.
9169 (tree_cfg_hooks): Add tree_can_remove_branch_p.
9170 * cfgrtl.c (rtl_can_remove_branch_p): New function.
9171 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9173 2007-02-05 Jan Hubicka <jh@suse.cz>
9176 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9177 nodes in cgraph, don't remove offline copy of the function.
9179 2007-02-04 Jan Hubicka <jh@suse.cz>
9181 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9182 vectors might cause maybe_lookup_element_for_expr to be called
9183 on non-sra-candidate.
9185 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9187 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9188 config/bfin/bfin.md, config/bfin/predicates.md: Follow
9189 spelling conventions.
9191 2007-02-04 Richard Guenther <rguenther@suse.de>
9194 * fold-const.c (try_move_mult_to_index): Make sure to not
9195 overflow one dimension of a multi-dimensional array access.
9197 2007-02-04 Jan Hubicka <jh@suse.cz>
9199 * passes.c (init_optimization_passes): Reindent.
9201 2007-02-04 Jan Hubicka <jh@suse.cz>
9202 Eric Botcazou <ebotcazou@adacore.com>
9204 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9205 (execute_fixup_cfg): Break out the abnormal goto code.
9206 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9207 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9208 (optimize_inline_calls): Call make_nonlocal_label_edges.
9210 2007-02-04 Jan Hubicka <jh@suse.cz>
9212 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9213 true when something was changed.
9214 (rename_ssa_copies): When something was changed, do
9215 TODO_remove_unused_locals.
9216 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9217 add TODO_remove_unused_locals when instruction was removed.
9219 2007-02-04 Jan Hubicka <jh@suse.cz>
9221 * ipa-inline.c (try_inline): Improve debug output; work on already
9223 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9224 call try_inline for already inlined edges too when flattening;
9225 inline also functions that make callee growth but overall unit size
9228 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9230 * config/m32c/bitops.md, config/m32c/jump.md,
9231 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9232 config/m32r/m32r.h, config/m32r/m32r.md,
9233 config/m32r/predicates.md, config/m68hc11/larith.asm,
9234 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9235 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9236 config/mips/mips-protos.h, config/mips/mips.c,
9237 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9238 config/mn10300/mn10300.h, config/mn10300/predicates.md,
9239 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9240 spelling conventions.
9242 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9243 Follow spelling conventions.
9245 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
9247 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9248 warn about C++0x compatibility.
9250 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9252 * config/h8300/h8300.c, config/h8300/h8300.h,
9253 config/h8300/h8300.md: Follow spelling conventions.
9255 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
9258 * combine.c (try_combine): Do not substitute source operand
9259 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9261 2007-02-03 Jan Hubicka <jh@suse.cz>
9263 PR gcov-profile/30650
9264 * value-prof.c (stringop_block_profile): Fix handling of size counter;
9265 do not divide by zero for never executed counters.
9266 (tree_find_values_to_profile): Fix counters.
9267 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9269 2007-02-03 Ian Lance Taylor <iant@google.com>
9271 * lower-subreg.c (simple_move_operand): New static function,
9272 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
9274 (simple_move): Call simple_move_operand.
9275 (find_decomposable_subregs): Add special handling of MEMs.
9276 (can_decompose_p): Rename from cannot_decompose_p. Reverse
9277 meaning of return value. If we see a hard register, test whether
9278 it can store a word_mode value. Change all callers.
9280 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9282 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9283 ftrapv insns and expanders.
9284 (subdi3): Change define_expand operand 1 to arith11_operand, and
9285 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
9286 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
9287 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9291 * varasm.c (notice_global_symbol): Treat global objects as weak when
9294 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9296 * emit-rtl.c (dconstpi): Delete.
9298 (init_emit_once): Delete dconstpi and init dconstsqrt2.
9299 * real.h (dconstpi): Delete.
9301 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9302 (fold_builtin_hypot): Likewise.
9304 2007-02-03 Tom Tromey <tromey@redhat.com>
9307 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9308 -gcoff3, -gxcoff3, -gvms3 implies -dD.
9310 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
9312 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9313 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9314 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9315 config/rs6000/cell.md, config/rs6000/darwin.h,
9316 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9317 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9318 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9319 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9320 typos. Follow spelling conventions.
9321 * doc/invoke.texi: Follow spelling conventions.
9323 2007-02-03 Roger Sayle <roger@eyesopen.com>
9325 * simplify-rtx.c (simplify_relational_operation_1): Implement some
9326 canonicalization transformations that attempt to simplify integer
9327 constant comparisons to become comparisons against zero.
9329 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9331 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9333 * fold-const.c (fold_binary): Fix comment typos. Fold complex
9334 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
9336 2007-02-02 Mike Stump <mrs@apple.com>
9338 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9339 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9340 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9341 generate a branch island.
9343 2007-02-02 Bob Wilson <bob.wilson@acm.org>
9345 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9346 (xtensa_legitimate_address_p): New.
9347 (xtensa_legitimize_address): New.
9348 (xtensa_output_addr_const_extra): New.
9349 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9351 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9352 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9353 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9354 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9355 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9356 (xtensa_legitimize_address): New.
9357 (xtensa_output_addr_const_extra): New.
9359 2007-02-02 Steve Ellcey <sje@cup.hp.com>
9361 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9363 2007-02-02 Ian Lance Taylor <iant@google.com>
9365 * expmed.c (expand_divmod): Add comment.
9367 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
9369 * emit-rtl.c (renumber_insns): Remove.
9370 * flags.h: Remove the extern for flag_renumber_insns.
9371 * rtl.h: Remove the prototype for renumber_insns.
9372 * toplev.c (flag_renumber_insns): Remove.
9374 2007-02-02 Hui-May Chang <hm.chang@apple.com>
9376 Revert for x86 darwin:
9377 2005-06-19 Uros Bizjak <uros@kss-loka.si>
9379 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9380 code before the following patch under TARGET_MACHO.
9381 (ix86_function_value_regno_p): Likewise.
9383 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9385 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9388 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9391 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9392 general or fp registers. Add comments.
9393 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9395 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
9397 * pointer-set.c (insert_aux): Only return insertion slot.
9398 (pointer_set_insert): Adjust.
9399 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9400 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9401 pointer_map_traverse): New.
9402 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9403 pointer_map_create, pointer_map_destroy, pointer_map_insert,
9404 pointer_map_contains, pointer_map_traverse): Declare.
9406 2007-02-02 Jakub Jelinek <jakub@redhat.com>
9409 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9410 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
9412 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9414 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9416 (struct _dep): New type.
9417 (dep_t): New typedef.
9418 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9419 (DEP_STATUS): New access macro. The macro with the same name was
9420 renamed to DEP_LINK_STATUS.
9421 (dep_init): Declare function
9423 (struct _dep_link): New type.
9424 (dep_link_t): New typedef.
9425 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9426 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9427 (DEP_LINK_STATUS): New macro.
9428 (debug_dep_links): New debug function.
9430 (struct _deps_list): New type.
9431 (deps_list_t): New typedef.
9432 (DEPS_LIST_FIRST): New access macro.
9433 (FOR_EACH_DEP_LINK): New cycle macro.
9434 (create_deps_list, free_deps_list, delete_deps_list): Declare
9436 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9437 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9438 (copy_deps_list_change_con): Ditto.
9440 (move_dep_link): Declare function.
9442 (struct _dep_node): New type.
9443 (dep_node_t): New typedef.
9444 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9446 (struct haifa_insn_data.back_deps): New field to hold backward
9447 dependencies of the insn.
9448 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
9450 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9451 Change its type to deps_list_t.
9452 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9453 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9454 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9456 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
9458 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
9460 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9462 (dep_cost): Declare.
9464 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9465 (ds_to_dk, dk_to_ds): New functions.
9467 (init_dep_1): New static function.
9468 (init_dep): New function.
9469 (copy_dep): New static function.
9471 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9473 (detach_dep_link): New static function.
9474 (move_dep_link): New function.
9476 (dep_links_consistent_p, dump_dep_links): New static functions.
9477 (debug_dep_links): New debugging function.
9479 (deps_obstack, dl_obstack, dn_obstack): New static variables.
9481 (alloc_deps_list, init_deps_list): New static functions.
9482 (create_deps_list): New function.
9483 (clear_deps_list): New static function.
9484 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9485 (deps_list_consistent_p, dump_deps_list): New static functions.
9486 (debug_deps_list): New function.
9487 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9489 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9491 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9492 use new scheduler dependencies lists.
9493 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9494 (sched_analyze): Ditto. Initialize dependencies lists.
9495 (add_forw_dep, compute_forward_dependences): Update to use new
9496 scheduler dependencies lists.
9498 (init_dependency_caches): Init deps_obstack.
9499 (free_dependency_caches): Free deps_obstack.
9501 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9502 new scheduler dependencies lists.
9503 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9504 (add_back_forw_dep, delete_back_forw_dep): Ditto.
9506 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9507 Update to use new scheduler dependencies lists.
9508 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9509 (debug_dependencies): Ditto.
9510 (schedule_region): Update comments.
9512 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9513 scheduler dependencies lists.
9514 (schedule_ebb): Update comments.
9516 * rtl.def (DEPS_LIST): Remove.
9518 * lists.c (unused_deps_list): Remove.
9519 (free_list): Update assertions.
9521 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9522 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9524 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9525 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9527 * haifa-sched.c (comments): Update.
9528 (insn_cost1): Remove. Inline the code into insn_cost ().
9529 (insn_cost): Update to use new scheduler dependencies lists. Move
9530 processing of the dependency cost to dep_cost ().
9531 (dep_cost): New function. Use it instead of insn_cost () when
9532 evaluating cost of the dependency. Use compatible interface to
9533 interact with the target.
9534 (priority): Update to use new scheduler dependencies lists.
9535 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
9536 with greater number of insns that depend on the insn.
9537 (schedule_insn): Update to use new scheduler dependencies lists. Add
9538 code to free backward dependencies lists. Inline and optimize code
9539 from resolve_dep () - see PR28071.
9540 (ok_for_early_queue_removal): Update to use new scheduler dependencies
9541 lists. Update call to targetm.sched.is_costly_dependence hook.
9543 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9544 scheduler dependencies lists.
9546 (resolve_dep): Remove. Move the logic to schedule_insn ().
9547 (init_h_i_d): Initialize dependencies lists.
9549 (process_insn_depend_be_in_spec): Rename to
9550 process_insn_forw_deps_be_in_spec. Update to use new scheduler
9552 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9553 Update to use new scheduler dependencies lists.
9554 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9556 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9557 new scheduler dependencies lists.
9558 (build_intra_loop_deps): Ditto.
9560 * target.h (struct _dep): Declare to use in
9561 gcc_target.sched.is_costly_dependence.
9562 (struct gcc_target.sched.adjust_cost): Fix typo.
9563 (struct gcc_target.sched.is_costly_dependence): Change signature to use
9564 single dep_t parameter instead of an equivalent triad.
9565 (struct gcc_target.sched.adjust_cost_2): Remove.
9567 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9569 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9571 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9573 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9575 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9576 (REG_DEP_TRUE): Document.
9578 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9579 Change signature to correspond to the targetm.sched.adjust_cost hook.
9580 Update use in TARGET_SCHED_ADJUST_COST_2.
9581 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9582 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9583 new scheduler dependencies lists.
9584 (ia64_gen_check): Ditto.
9586 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9589 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9590 signature to correspond to the targetm.sched.is_costly_dependence hook.
9591 (is_costly_group): Update to use new scheduler dependencies lists.
9593 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9594 instead of INSN_COST () macro.
9596 2007-02-01 Ian Lance Taylor <iant@google.com>
9598 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9600 2007-02-01 Guy Martin <gmsoft@gentoo.org>
9602 * pa.md (tp_load): Correct mfctl instruction syntax.
9604 2007-02-01 Geoffrey Keating <geoffk@apple.com>
9606 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9607 altivec_padding_size calculation on AIX. Improve comment, add
9608 assert to verify that it's right.
9610 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9613 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
9616 * global.c (global_alloc): Add mising initialization of
9619 2007-02-01 Roger Sayle <roger@eyesopen.com>
9621 * alias.c (init_alias_analysis): Correct whitespace.
9622 * bb-reorder.c (fix_edges_for_rarely_executed_code,
9623 partition_hot_cold_basic_blocks): Likewise.
9624 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9625 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9626 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9627 fold_builtin_snprintf_chk, fold_builtin_printf,
9628 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9629 do_mpfr_arg3, do_mpfr_sincos): Likewise.
9630 * cfgcleanup.c (cleanup_cfg): Likewise.
9631 * cfgexpand.c (tree_expand_cfg): Likewise.
9632 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
9633 * function.c (get_next_funcdef_no): Likewise.
9634 * gengtype.c (main): Likewise.
9635 * genmodes.c (main): Likewise.
9636 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
9637 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
9638 * ifcvt.c (noce_emit_move_insn): Likewise.
9639 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
9641 * stor-layout.c (get_best_mode): Likewise.
9642 * tree-ssa-loop-niter.c (get_val_for): Likewise.
9643 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
9644 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
9645 perform_var_substitution, solve_graph): Likewise.
9646 * tree-vrp.c (vrp_finalize): Likewise.
9648 2007-02-01 Ian Lance Taylor <iant@google.com>
9650 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
9651 high part of a paradoxical subreg, return a constant zero.
9653 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
9655 * toplev.c (lang_dependent_init): Call init_set_costs.
9656 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
9658 2007-02-01 Richard Guenther <rguenther@suse.de>
9661 * fold-const.c (fold_negate_expr): Allow negating a
9662 constant if overflow does not change.
9664 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
9666 * doc/c-tree.texi (Expression trees): Improve markup.
9667 * doc/tm.texi (Register Classes, Addressing Modes)
9668 (Floating Point): Fix spacing after abbreviations. Fix some
9671 2007-02-01 Ben Elliston <bje@au.ibm.com>
9673 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
9674 * doc/contrib.texi: Likewise.
9675 * doc/install.texi: Likewise.
9677 2007-01-31 Richard Henderson <rth@redhat.com>
9678 Ian Lance Taylor <iant@google.com>
9680 * lower-subreg.c: New file.
9681 * rtl.def (CONCATN): Define.
9682 * passes.c (init_optimization_passes): Add pass_lower_subreg and
9684 * emit-rtl.c (update_reg_offset): New static function, broken out
9685 of gen_rtx_REG_offset.
9686 (gen_rtx_REG_offset): Call update_reg_offset.
9687 (gen_reg_rtx_offset): New function.
9688 * regclass.c: Revert patch of 2006-03-05, restoring
9690 (clear_reg_info_regno): New function.
9691 * dwarf2out.c (concatn_loc_descriptor): New static function.
9692 (loc_descriptor): Handle CONCATN.
9693 * common.opt (fsplit_wide_types): New option.
9694 * opts.c (decode_options): Set flag_split_wide_types when
9696 * timevar.def (TV_LOWER_SUBREG): Define.
9697 * rtl.h (gen_reg_rtx_offset): Declare.
9698 (reg_scan_update): Declare.
9699 * regs.h (clear_reg_info_regno): Declare.
9700 * tree-pass.h (pass_lower_subreg): Declare.
9701 (pass_lower_subreg2): Declare.
9702 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
9703 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
9705 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
9706 * Makefile.in (OBJS-common): Add lower-subreg.o.
9707 (lower-subreg.o): New target.
9709 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9711 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
9713 2007-01-31 Anatoly Sokolov <aesok@post.ru>
9716 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
9718 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9721 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
9723 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
9725 * cfgloop.h: Include vec-prim.h.
9726 (enum li_flags): Remove LI_ONLY_OLD.
9727 (loop_iterator): Changed.
9728 (fel_next, fel_init): Iterate over loop tree.
9729 (FOR_EACH_LOOP_BREAK): New macro.
9730 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
9732 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
9733 * modulo-sched.c (sms_schedule): Ditto.
9734 * tree-vectorizer.c (vectorize_loops): Ditto.
9735 * doc/loop.texi: Update information on loop numbering and behavior of
9736 FOR_EACH_LOOP wrto new loops.
9737 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
9738 add_to_evolution_1): Test nestedness of loops instead of comparing
9740 * tree-chrec.c (chrec_fold_plus_poly_poly,
9741 chrec_fold_multiply_poly_poly, chrec_evaluate,
9742 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
9743 reset_evolution_in_loop): Ditto.
9744 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
9746 2007-01-31 Dirk Mueller <dmueller@suse.de>
9748 * c-common.c (warn_about_parentheses): Separate warning about
9749 un-parenthized sequence of comparison operators from the one
9750 which is supposed to warn about x <= y <= z.
9752 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
9754 * optabs.h (enum optab_index): Add new OTI_isinf.
9755 (isinf_optab): Define corresponding macro.
9756 * optabs.c (init_optabs): Initialize isinf_optab.
9757 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
9759 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
9760 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
9762 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
9763 expand_builtin_interclass_mathfn.
9764 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
9765 * config/i386/i386.md (UNSPEC_FXAM): New constant.
9766 (fxam<mode>2_i387): New insn pattern.
9767 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
9768 built-in functions as x87 inline asm.
9770 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9772 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
9774 2007-01-30 Eric Christopher <echristo@apple.com>
9776 * config.gcc: Add geode.
9778 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
9780 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
9781 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
9782 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
9783 value-prof.c: Fix comment typos.
9785 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9788 * doc/invoke.texi (Wpointer-arith): Document warning.
9790 2007-01-30 Janis Johnson <janis187@us.ibm.com>
9792 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
9793 the list of discrepancies from the draft TR.
9795 2007-01-30 Dirk Mueller <dmueller@suse.de>
9798 * doc/invoke.texi (-Wreturn-type): Update description to
9801 2007-01-30 Richard Sandiford <richard@codesourcery.com>
9803 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
9805 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
9807 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
9808 to handle optabs that operate on floating point input argument and
9809 output to integer output.
9810 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
9811 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
9812 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
9813 expand_builtin_interclass_mathfn ().
9814 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
9816 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
9817 ilogbl built-in functions as x87 intrinsics.
9819 2007-01-30 Richard Guenther <rguenther@suse.de>
9822 * dwarf2out.c (reference_to_unused): Query varpool if the
9823 variable was output.
9825 2007-01-30 Richard Guenther <rguenther@suse.de>
9828 * passes.c (execute_one_pass): Reset in_gimple_form to not
9829 confuse non-unit-at-a-time mode.
9831 2007-01-29 Roger Sayle <roger@eyesopen.com>
9832 Richard Guenther <rguenther@suse.de>
9834 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
9835 avoid undefined behaviour on overflow. Use force_fit_type_double
9836 to construct the constant with the specified TREE_OVERFLOW.
9838 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9840 * config/dfp-bit.c: Add parameterized support for fp exceptions.
9841 * config/dfp-bit.h: Ditto.
9843 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9845 * c-decl.c (pop_scope): Replace warnings with call to
9846 warn_for_unused_label.
9847 * c-common.h (warn_for_unused_label): Declare.
9848 * c-common.c (warn_for_unused_label): Define.
9850 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9852 * tree-optimize.c (update_inlined_to_pointers): Delete unused
9855 2007-01-29 Janis Johnson <janis187@us.ibm.com>
9857 * Makefile.in (USER_H): Remove decfloat.h.
9858 * ginclude/decfloat.h: Delete, moving contents to ...
9859 * ginclude/float.h: Add support for decimal floating point,
9860 guarded by __STDC_WANT_DEC_FP__.
9862 2007-01-29 Mike Stump <mrs@apple.com>
9864 * doc/gccint.texi (Top): Rename Loop Representation to Loop
9865 Analysis and Representation to resolve case insensitive conflict.
9866 * doc/loop.texi (Loop Analysis and Representation): Likewise.
9868 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
9870 * tree.h (struct tree_memory_tag): Add aliases member.
9871 (MTAG_ALIASES): New macro.
9872 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
9873 (add_may_alias): Remove pointer-set. Update for may_aliases being
9875 (mark_aliases_call_clobbered): Update for may_aliases being a
9877 (compute_tag_properties): Ditto.
9878 (create_partition_for): Ditto.
9879 (compute_memory_partitions): Ditto.
9880 (dump_may_aliases_for): Ditto.
9881 (is_aliased_with): Ditto.
9882 (add_may_alias_for_new_tag): Ditto.
9883 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
9884 (compute_is_aliased): New function.
9885 (compute_may_aliases): Call compute_is_aliased).
9886 (init_alias_info): Initialize alias_bitmap_obstack.
9887 (union_alias_set_into): New function.
9888 (compute_flow_sensitive_aliasing): Use union_aliases_into.
9889 (have_common_aliases_p): Rewrite to take two bitmaps and use
9891 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
9893 (finalize_ref_all_pointers): Update for add_may_alias changes.
9894 (new_type_alias): Ditto.
9895 * tree-flow-inline.h (may_aliases): Return a bitmap.
9896 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
9897 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
9898 may_aliases being a bitmap.
9899 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
9900 may_aliases now returns a bitmap.
9901 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
9903 * tree-ssa-operands.c (add_virtual_operand): Update for
9904 may_aliases being a bitmap.
9906 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
9908 PR tree-optimization/30630
9909 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
9910 variable as changed.
9912 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
9915 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
9916 expanded only once even if an error occurs.
9918 2007-01-29 Ben Elliston <bje@au.ibm.com>
9920 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
9921 (__gcov_average_profiler): Likewise.
9922 (__gcov_ior_profiler): Likewise.
9923 (__gcov_merge_ior): Likewise.
9925 2007-01-28 Jan Hubicka <jh@suse.cz>
9927 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
9928 * value-prof.c (stringop_block_profile): Likewise.
9930 2007-01-28 Jan Hubicka <jh@suse.cz>
9932 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
9933 variant handling histograms; add wrapper.
9934 (clear_storage_via_libcall): Export.
9935 (emit_block_move_hints): Break out from ...; add histograms.
9936 (emit_block_move): ... this one.
9937 (clear_storage_hints): Break out from ...; add histograms.
9938 (clear_storage): ... this one.
9939 (set_storage_via_memset): Handle histogram.
9940 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
9941 (clear_storage_hints, clear_storage_via_libcall): Declare.
9942 (set_storage_via_setmem): Update prototype.
9943 * doc/md.texi (movmem, setmem): Document new arguments.
9945 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
9947 (stringop_block_profile): New global function.
9948 (tree_stringops_values_to_profile): Profile block size and alignment.
9949 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
9951 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
9952 (stringop_block_profile): Declare.
9953 * builtins.c: Include value-prof.h.
9954 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
9955 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
9956 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
9957 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
9958 * profile.c (instrument_values): Add new counters.
9959 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
9961 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
9962 (tree_init_edge_profiler): Build new profilers.
9963 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
9964 (pass_tree_profile): Add dump.
9965 (tree_profile_hooks): Update.
9966 * Makefile.in (LIBGCOV): Add new constants.
9967 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
9968 __gcov_ior_profiler): New.
9969 * i386.md (movmem/setmem expanders): Add new optional arguments.
9971 2007-01-28 David Edelsohn <edelsohn@gnu.org>
9973 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
9975 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
9977 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
9978 (tree_unswitch_single_loop): Pass eni_size_weights to
9979 tree_num_loop_insns.
9980 * tree-ssa-loop-manip.c: Include tree-inline.h.
9981 (can_unroll_loop_p): Pass eni_size_weights to
9982 tree_num_loop_insns.
9983 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
9984 Pass eni_size_weights to estimate_num_insns.
9985 * tree.h (init_inline_once): Export.
9986 * toplev.c (backend_init): Call init_inline_once.
9987 * cgraphunit.c (cgraph_process_new_functions,
9988 cgraph_analyze_function): Pass eni_inlining_weights to
9990 * ipa-inline.c (compute_inline_parameters): Ditto.
9991 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
9992 to estimate_num_insns.
9993 (try_unroll_loop_completely): Pass eni_size_weights to
9994 tree_num_loop_insns.
9995 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
9996 ot estimate_num_insns.
9997 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
9998 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
9999 * tree-inline.c (eni_inlining_weights, eni_size_weights,
10000 eni_time_weights): New variables.
10001 (init_inline_once): Initialize them.
10002 (struct eni_data): Mew.
10003 (estimate_num_insns_1, estimate_num_insns): Use weights.
10004 * tree-inline.h (struct eni_weights_d): New.
10005 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10006 (estimate_num_insns): Declaration changed.
10007 * cfgloop.h (tree_num_loop_insns): Declaration changed.
10008 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10009 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10011 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
10013 * tree-data-ref.c (conflict_fn): Assert that the number of affine
10014 relations in the conflict function is valid.
10016 2007-01-27 Ian Lance Taylor <iant@google.com>
10018 * common.opt: Add fstrict-overflow.
10019 * opts.c (decode_options): Set flag_strict_overflow if -O2.
10020 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10021 (TYPE_OVERFLOW_UNDEFINED): Define.
10022 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
10024 * tree.h (TYPE_TRAP_SIGNED): Don't define.
10025 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10026 (fold_negate_expr): Likewise.
10027 (make_range): Likewise.
10028 (extract_muldiv_1): Likewise.
10029 (maybe_canonicalize_comparison): Likewise.
10030 (fold_comparison): Likewise.
10031 (fold_binary): Likewise.
10032 (tree_expr_nonnegative_p): Likewise.
10033 (tree_expr_nonzero_p): Likewise.
10034 * tree-vrp.c (compare_values): Likewise.
10035 (extract_range_from_binary_expr): Likewise.
10036 (extract_range_from_unary_expr): Likewise.
10037 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10039 (nowrap_type_p): Likewise.
10040 * tree-scalar-evolution.c (simple_iv): Likewise.
10041 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10042 (build_range_check): Likewise.
10043 (extract_muldiv_1): Likewise.
10044 (fold_comparison): Likewise.
10045 * tree-vrp.c (vrp_int_const_binop): Likewise.
10046 (extract_range_from_unary_expr): Likewise.
10047 * convert.c (convert_to_integer): Likewise.
10048 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10049 (fold_comparison): Likewise.
10050 (fold_binary): Likewise.
10051 * optabs.c (optab_for_tree_code): Likewise.
10052 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10053 * simplify-rtx.c (simplify_const_relational_operation): Check
10054 flag_strict_overflow and flag_trapv.
10055 (simplify_const_relational_operation): Likewise.
10056 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10057 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
10060 2007-01-27 Roger Sayle <roger@eyesopen.com>
10062 * tree.c (tree_fold_gcd): Delete.
10063 * tree.h (tree_fold_gcd): Remove prototype.
10064 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10065 test whether one constant integer is a multiple of another. Instead
10066 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10067 * fold-const.c (multiple_of_p): We've determined both TOP and
10068 BOTTOM are integer constants so we can call int_const_binop directly
10069 instead of the more generic const_binop.
10071 2007-01-27 Roger Sayle <roger@eyesopen.com>
10073 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10074 1*X check that the constant hasn't overflowed, to preserve the
10076 (round_up): Provide an efficient implementation when rouding-up an
10077 INTEGER_CST to a power-of-two.
10079 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10081 * doc/sourcebuild.texi: Add comma for clarity.
10082 * doc/extend.texi: Fix some typos.
10083 * doc/passes.texi: Likewise.
10084 * doc/cppinternals.texi: Likewise.
10085 * doc/c-tree.texi: Likewise.
10086 * doc/tree-ssa.texi: Likewise.
10087 * doc/install.texi: Likewise.
10089 2007-01-27 Jan Hubicka <jh@suse.cz>
10091 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10092 (pass_sra): Do not require alias information.
10093 * passes.c (init_optimization_passes): Add SRA
10095 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
10097 * tracer.c (rest_of_handle_tracer): We already cleaned
10098 up the CFG in tracer() so don't do it here again.
10099 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10100 cleanup_cfg here, either. And don't call renumber_insns.
10102 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10103 and BB_HEAD are in the insn stream here. Instead make sure
10104 that BB_INSN is valid on all insns. Also, do check here that
10105 there are no pending branch predictions...
10106 (rtl_verify_flow_info): ...instead of doing it here. Checks
10107 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10110 2007-01-26 Roger Sayle <roger@eyesopen.com>
10112 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10113 function to simplify/factorize operand order canonicalization.
10114 (ix86_fixup_binary_operands): Reorganize using the above function.
10115 (ix86_binary_operator_ok): Likewise.
10117 2007-01-27 Jakub Jelinek <jakub@redhat.com>
10119 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10120 file scope from optimize_attrs.
10121 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10123 (optimize_attrs): Clear insn_code_values after freeing it.
10125 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10127 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10128 a parts.base assignment.
10130 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10132 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10133 (compute_subscript_distance, initialize_data_dependence_relation,
10134 finalize_ddr_dependent, analyze_ziv_subscript,
10135 analyze_siv_subscript_cst_affine,
10136 compute_overlap_steps_for_affine_univar,
10137 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10138 analyze_siv_subscript, analyze_miv_subscript,
10139 analyze_overlapping_iterations, subscript_dependence_tester_1,
10140 compute_self_dependence, free_dependence_relation): Work
10141 with affine_fn instead of chrecs.
10142 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10143 common_affine_function, affine_function_base,
10144 affine_function_constant_p, affine_fn_op, affine_fn_plus,
10145 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10146 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10147 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10148 (all_chrecs_equal_p): Removed.
10149 * tree-data-ref.h (affine_fn, conflict_function): New types.
10150 (struct subscript): Change type of conflicting_iterations_in_a
10151 and conflicting_iterations_in_b.
10153 2007-01-26 Steve Ellcey <sje@cup.hp.com>
10156 * config/pa/pa.h (TARGET_HPUX_11): New.
10157 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10158 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10160 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
10161 Richard Guenther <rguenther@suse.de>
10163 * tree-ssa-structalias.c (solve_graph): Handle case
10164 we merged the variable to another.
10166 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10168 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10171 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10172 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10174 2007-01-25 DJ Delorie <dj@redhat.com>
10176 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10177 allow changes to modes which don't fit in those registers.
10179 * reload1.c (choose_reload_regs): Check for invalid subregs before
10180 computing their locations, not after.
10182 2007-01-25 Geoffrey Keating <geoffk@apple.com>
10185 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10186 save Altivec registers in an eh_return function.
10187 (compute_vrsave_mask): Likewise.
10188 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10189 for saving Altivec registers.
10190 (rs6000_emit_prologue): Don't allocate stack twice in
10191 eh_return function. Correct expected value of altivec_save_offset
10192 when using save_world. Describe save of R0 to stack when using
10193 save_world. Describe stack pointer adjustment when using
10194 save_world. Remove duplicated eh_return parameter register saving.
10195 Update sp_offset variable after save_world.
10196 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10198 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10199 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10202 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10204 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10206 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10209 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10210 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
10212 2007-01-25 Richard Guenther <rguenther@suse.de>
10214 * doc/invoke.texi (-Wcoverage-mismatch): Document.
10215 * common.opt (-Wcoverage-mismatch): New warning option.
10216 * coverage.c (get_coverage_counts): Ignore coverage mismatch
10217 if -Wcoverage-mismatch is given.
10219 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
10221 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10222 (ipcp_driver): Change to static definition.
10223 Add dumping of the ifunctions.
10224 (constant_val_insert): Remove unused parameter. Support for SSA.
10225 (ipcp_propagate_const): Support for SSA.
10226 (ipcp_profile_bb_print): Print only analyzed nodes.
10227 (ipcp_replace_map_create): Remove support for Fortran constant
10229 * ipa-prop.c (ipa_method_modify_stmt,
10230 ipa_callsite_compute_param): Support for SSA.
10231 * ipa-prop.h (ipcp_driver): Remove declaration.
10232 (IS_VALID_TREE_MAP_INDEX): Add define.
10234 2007-01-24 Geoffrey Keating <geoffk@apple.com>
10236 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10238 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10240 PR middle-end/30447
10241 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10242 constant argument to cabs and do it without checking for
10243 -funsafe-math-optimizations.
10245 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
10247 * c-common.h (RID_FIRST_CXX0X): New.
10248 (RID_LAST_CXX0X): New.
10249 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10251 * c.opt (Wc++0x-compat): New.
10252 * doc/invoke.texi (-Wc++0x-compat): Document.
10254 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10256 * builtins.c (fold_builtin_carg): New.
10257 (fold_builtin_1): Use it.
10259 2007-01-24 Jan Hubicka <jh@suse.cz>
10261 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10263 * ipa-inline.c (initial_insns, max_insns): Delete.
10264 (compute_max_insns): New function.
10265 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10266 of insns as base for code growth.
10267 (cgraph_decide_inlining): Make initial_insns local; do not compute
10269 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10270 * doc/invoke.texi (inline-unit-growth): Update docs.
10272 2007-01-24 Jakub Jelinek <jakub@redhat.com>
10274 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10275 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10276 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10277 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
10278 for CPUs that have PTA_CX16 set.
10280 PR middle-end/27416
10281 * gimplify.c (omp_check_private): New function.
10282 (gimplify_scan_omp_clauses): Use it for
10283 firstprivate/lastprivate/reduction.
10285 PR middle-end/30494
10286 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10287 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10289 PR middle-end/30421
10290 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10291 If lower_lastprivate_clauses emits some statements, append them
10292 to dlist rather than body_p and to body_p append an initializer.
10293 (lower_omp_for): Adjust caller.
10295 2007-01-24 Steve Ellcey <sje@cup.hp.com>
10297 * target.h (globalize_decl_name): New.
10298 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10299 * output.h (default_globalize_decl_name): New.
10300 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10302 (globalize_decl): Ditto.
10303 (default_globalize_decl_name): New.
10304 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10305 (ia64_handle_version_id_attribute): New.
10306 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10307 (ia64_asm_output_external): Use globalize_decl_name instead
10308 of globalize_label.
10309 * doc/extend.texi (version_id): New pragma.
10310 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10312 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10314 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10315 _uleb128_t and _Unwind_SWord with _sleb128_t.
10316 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10317 uw_frame_state_for, uw_update_context_1): Likewise.
10318 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10319 * unwind-pe.h (read_uleb128, read_sleb128,
10320 read_encoded_value_with_base): Likewise.
10321 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10323 2007-01-24 Richard Guenther <rguenther@suse.de>
10325 * builtins.c (expand_builtin_cexpi): Get the fndecl
10326 for cexp in the correct way.
10328 2007-01-24 Jan Hubicka <jh@suse.cz>
10330 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10332 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10334 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10335 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10336 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10337 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10338 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10339 __SIZEOF_PTRDIFF_T__.
10340 * doc/cpp.texi: Documentation for the new builtin macros added.
10342 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
10344 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10345 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10346 instead of operands[2] to avoid access past the end of array.
10348 2007-01-24 Richard Sandiford <richard@codesourcery.com>
10350 * reload1.c (emit_reload_insns): Pass the reload register
10351 for a non-spill output reload through forget_old_reloads_1.
10353 2007-01-23 Joseph Myers <joseph@codesourcery.com>
10355 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10356 _SOFT_DOUBLE if doubles use software floating-point.
10357 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10358 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10359 * config/rs6000/darwin-ldouble.c: Also compile functions for
10360 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
10361 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10362 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10363 commented-out long double override.
10364 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10365 * config/rs6000/eabispe.h: Likewise.
10366 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10367 long double for non-SPE.
10368 (rs6000_handle_option): Likewise.
10369 (invalid_e500_subreg): Disallow more subregs involding DImode,
10370 DFmode, TImode or TFmode.
10371 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10373 (legitimate_lo_sum_address_p): Also check for TFmode for E500
10375 (rs6000_legitimize_address): Also handle TFmode for E500 double.
10376 (rs6000_legitimize_reload_address): Also handle TFmode for E500
10378 (rs6000_legitimate_address): Also check for TFmode for E500
10380 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10381 (spe_build_register_parallel): Handle TFmode and TCmode.
10382 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10384 (function_arg): Handle TFmode and TCmode for E500 double.
10385 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10387 (print_operand): Handle TFmode and TImode for %y.
10388 (rs6000_generate_compare): Handle TFmode comparisons for E500
10390 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10391 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10392 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10393 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10394 TFmode for E500 double.
10395 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10396 (floatsidf2): Enable for E500 double.
10397 (movtf_softfloat): Use rs6000_nonimmediate_operand.
10398 (extenddftf2): Change to extenddftf2_fprs.
10399 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10400 depending on TARGET_E500_DOUBLE.
10401 (extendsftf2): Enable for E500 double.
10402 (trunctfdf2): Enable for E500 double.
10403 (trunctfsf2): Change to trunctfsf2_fprs.
10404 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10405 depending on TARGET_E500_DOUBLE.
10406 (floatsitf2): Enable for E500 double.
10407 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10408 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10409 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10410 (negtf2): Change to negtf2_internal.
10411 (negtf2): New expander.
10412 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
10413 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10414 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10415 (movdi_internal32): Use rs6000_nonimmediate_operand.
10416 (unnamed splitter): Likewise.
10417 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10418 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10419 (SPE64TF, DITI): New mode macros.
10420 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10423 (frob_<mode>_di_2): New.
10424 (frob_tf_di_8_2): New.
10425 (frob_di_df): Change to frob_di_<mode>; allow more modes.
10427 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10429 (frob_ti_<mode>_8_2): New.
10430 (frob_ti_tf_2): New.
10431 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10432 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10434 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10435 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10436 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10437 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10438 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10439 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10442 2007-01-23 Ian Lance Taylor <iant@google.com>
10444 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10446 (OBJS-archive): Reformat, alphabetize.
10447 (OBJS): Change out_object_file to OBJS-md.
10449 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
10451 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10452 JUMP_P and CALL_P predicates where applicable.
10453 * config/i386/i386.c: Ditto.
10454 * config/i386/i386.md: Ditto.
10455 * config/i386/mmx.md: Ditto.
10456 * config/i386/predicates.md: Ditto.
10458 2007-01-22 Andreas Schwab <schwab@suse.de>
10460 * config/m68k/m68k.h: Fix comment.
10462 2007-01-22 Jan Hubicka <jh@suse.cz>
10464 * passes.c (init_optimization_passes): Do not rerun
10465 pass_early_warn_uninitialized.
10467 2007-01-22 Richard Guenther <rguenther@suse.de>
10469 PR tree-optimization/30038
10470 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10472 (execute_cse_sincos_1): Likewise.
10473 (execute_cse_sincos): Likewise.
10474 (gate_cse_sincos): Likewise.
10475 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10476 the cexpi() canonicalization of sincos().
10477 * tree-pass.h (pass_cse_sincos): Declare.
10478 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10480 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10482 PR rtl-optimization/29329
10483 * combine.c (replaced_rhs_insn): Rename to i2mod.
10484 (replaced_rhs_value): Rename to i2mod_new_rhs.
10485 (i2mod_old_rhs): New global variable.
10486 (combine_instructions): Adjust for above change. Save a copy of
10487 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10488 note are substituted in the second instruction.
10489 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
10490 ditch the note if it pertains to the second eliminated register
10491 and this register is mentioned in i2mod_old_rhs.
10494 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
10496 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10497 the insn to which the note was originally attached.
10499 2007-01-21 Jan Hubicka <jh@suse.cz>
10501 * ipa-inline.c (inlining_mode): Comment, move up.
10502 (cgraph_decide_inlining_incrementally): Do not perform inlining
10503 itself; fix handling of flattening of self recursive functions.
10504 (cgraph_find_cycles): Remove.
10505 (cgraph_flatten_node): Remove.
10506 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10507 (try_inline): New function.
10508 (cgraph_early_inlining): Update call of
10509 cgraph_decide_inlining_incrementally. Apply inlining here.
10510 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10512 2007-01-21 Dirk Mueller <dmueller@suse.de>
10515 * tree-vrp.c (check_array_bounds): do not warn
10516 about ADDR_EXPR's of ARRAY_REF's which are immediately
10517 used in binary expressions.
10519 2007-01-21 Ira Rosen <irar@il.ibm.com>
10521 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10522 read_write_dep and macros for its access.
10523 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10524 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10525 argument, call vect_check_interleaving for every independent pair of
10526 data-refs. Mark loads that access the same memory location as a store
10528 (vect_check_dependences): Remove.
10529 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
10530 call, fix the call to vect_analyze_data_ref_dependence.
10531 (vect_analyze_data_ref_access): For statements that access the same
10532 data-ref, check that they are not stores; for loads, check that there
10533 is no store that access the same location.
10535 2007-01-20 Roger Sayle <roger@eyesopen.com>
10536 Joseph Myers <joseph@codesourcery.com>
10538 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10539 (-fdump-rtl-stack): Likewise.
10540 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
10541 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10542 (-mpt-fixed): Use @minus{} for minus sign.
10543 (Using Precompiled Headers): Fix under/overfull hbox.
10545 2007-01-20 Jan Hubicka <jh@suse.cz>
10547 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10548 place within annotation.
10550 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10552 * pa.c (output_move_double): Change array size of xoperands to 4.
10554 2007-01-20 Jan Hubicka <jh@suse.cz>
10556 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10559 2007-01-19 Ian Lance Taylor <iant@google.com>
10561 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10562 constant to unsigned HOST_WIDE_INT before negating.
10564 2007-01-19 Ian Lance Taylor <iant@google.com>
10566 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10568 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10569 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10570 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10571 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10572 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10573 (realloc_vdef, realloc_vuse): Change second parameter to
10575 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10576 fields to unsigned.
10577 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10578 unsigned. Change x and lim locals to unsigned.
10579 (realloc_vdef, realloc_vuse): Change num_elem parameter to
10581 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10582 (copy_virtual_operands): Change i and n locals to unsigned.
10584 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10586 PR middle-end/29335
10587 * builtins.c (fold_builtin_1): Handle builtin fdim.
10589 2007-01-20 Jan Hubicka <jh@suse.cz>
10591 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10592 * tree-ssa-structalias.c (compute_points_to_sets): Do call
10593 init_alias_heapvars.
10594 (init_alias_heapvars): Initialize only when not already initialized.
10595 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10597 2007-01-19 Roger Sayle <roger@eyesopen.com>
10599 * common.opt (fsigned-zeros): New command line option.
10600 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10601 of flag_unsafe_math_optimizations.
10602 * opts.c (set_fast_math_flags): The -ffast-math command line option
10603 implies -fno-signed-zeros.
10604 (fast_math_flags_set_p): Likewise.
10606 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10607 the documentation of -ffast-math appropriately. Wrap long lines.
10609 2007-01-19 Steve Ellcey <sje@cup.hp.com>
10611 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10612 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10614 2007-01-19 Tomas Bily <tbily@suse.cz>
10616 * cgraphunit.c (cgraph_finalize_function): Updating of pid
10618 (tree_init_ic_make_global_vars): New function
10619 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10620 (tree_gen_ic_profiler): New function
10621 (tree_gen_ic_func_profiler): New function
10622 (tree_profiling): Added calling of tree_gen_ic_func_profiler
10623 (tree_profile_hooks): Added hook for indirec/virtual calls
10624 * value-prof.c (tree_find_values_to_profile): New case for
10626 (tree_values_to_profile): Call for determining indirect/virtual
10628 (tree_indirect_call_to_profile): New function
10629 (tree_ic_transform): New function
10630 (tree_ic): New function
10631 (find_func_by_pid): New function
10632 (init_pid_map): New function
10633 (tree_value_profile_transformations): Added check for
10634 indirect/virtual call transformation
10635 * value-prof.h (enum hist_type): New counter type for
10636 indirect/virtual calls
10637 (profile_hooks): Added new hook for profiling indirect/virtual
10639 * profile.c (instrument_values): New case for indirect/virtual
10641 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
10642 (GCOV_COUNTER_V_INDIR): New counter type
10643 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
10644 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
10646 * cgraph.c: Definition of cgraph_max_pid
10647 (cgraph_create_node): Default init of pid attribute
10648 * cgraph.h: Declaration of cgraph_max_pid
10649 (struct cgraph_node): Added pid attribute
10650 * libgcov.c (__gcov_indirect_call_profiler): New function
10651 (__gcov_one_value_profiler_body): New function
10652 (__gcov_one_value_profiler): Body was moved to
10653 __gcov_one_value_profiler_body and calls it
10655 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
10657 * doc/gty.texi (Options): Document the mark_hook option to GTY.
10658 * gengtype.c (write_types_data, write_func_for_structure,
10659 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
10660 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
10661 (walk_type, write_func_for_structure): Generate the mark_hook if
10664 2007-01-19 Jan Hubicka <jh@suse.cz>
10666 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
10667 'early' argument take inlining mode argument specifying whether to
10668 inline for size/speeed or all functions; add support for flattening;
10670 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
10672 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10675 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
10676 the name of the declared identifier.
10678 2007-01-19 Dirk Mueller <dmueller@suse.de>
10680 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
10681 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
10682 duplicate evaluation.
10684 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10686 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
10687 Macroize expander using X87MODEF12 mode macro. Extend operand 1
10688 to XFMode, use acosxf2 and truncate result to requested mode.
10689 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
10690 (asin<mode>2): Similarly, with asin expanders.
10691 (*fscalexf4_i387): Rename from *fscalexf4.
10692 (expNcorexf3): New expander.
10693 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
10694 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
10695 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
10696 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
10697 patterns for SSE math.
10698 (exp10<mode>2): Similarly, with exp10 expanders.
10699 (exp2<mode>2): Similarly, with exp2 expanders.
10700 (expm1<mode>2): Similarly, with expm1 expanders.
10701 (ldexp<mode>3): Similarly, with ldexp expanders.
10702 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
10703 Use gen_truncxf<mode>2_i387_noop to truncate result.
10705 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10707 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
10708 for ColdFire targets.
10710 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
10711 Richard Sandiford <richard@codesourcery.com>
10713 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
10714 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
10715 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
10716 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
10717 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10718 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
10720 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10722 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
10723 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
10724 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
10725 (*adddi_dilshr32_cf): New pattern.
10726 (adddi3, subdi3): Remove first alternatives.
10728 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10730 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
10731 implemented using move.l, do not use its cc result for floating-point
10734 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10736 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
10737 from accepting 's' constraints if flag_pic.
10739 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10741 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
10742 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
10743 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
10744 condition from TARGET_68881 to TARGET_HARD_FLOAT.
10746 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
10748 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
10749 ColdFire alternatives.
10750 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
10751 * config/m68k/m68k.md (clzsi2): Define for ColdFire
10752 architectures that support ff1 instruction.
10754 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10755 Julian Brown <julian@codesourcery.com>
10757 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
10758 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
10759 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
10762 2007-01-19 Richard Sandiford <richard@codesourcery.com>
10764 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
10766 (output_move_const_into_data_reg, output_move_simode_const): Delete.
10767 * config/m68k/m68k.c (const_method, const_int_cost): Take a
10768 HOST_WIDE_INT instead of an rtx.
10769 (m68k_rtx_costs): Update call accordingly.
10770 (output_move_const_into_data_reg): Likewise. Fix formatting.
10771 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
10773 (output_move_simode_const): Update calls after above changes.
10774 Rework to use automatic variables and predicates like MEM_P.
10775 * config/m68k/m68k.md (pushexthisi_const): Update call to
10778 2007-01-19 Dirk Mueller <dmueller@suse.de>
10780 * tree-ssa-alias.c (perform_var_substitution): Fix typo
10781 in dump_flags test.
10783 2007-01-19 Richard Guenther <rguenther@suse.de>
10785 * builtins.c (expand_builtin_cexpi): Fall back to expanding
10786 via cexp in case sincos is not available.
10788 2007-01-19 Richard Guenther <rguenther@suse.de>
10790 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
10791 * defaults.h (TARGET_HAS_SINCOS): Default to off.
10792 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
10793 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
10794 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
10795 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
10796 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
10797 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
10799 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
10801 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
10803 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
10804 (atan2xf3): Directly generate RTL pattern.
10805 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
10806 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10807 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10808 disable patterns for SSE math.
10809 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
10810 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
10811 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
10812 disable patterns for SSE math.
10814 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
10816 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
10818 2007-01-18 Roger Sayle <roger@eyesopen.com>
10820 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
10821 VIEW_CONVERT_EXPR to the same type as it's operand.
10823 2007-01-18 David Edelsohn <edelsohn@gnu.org>
10825 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
10826 configured for long double 128.
10828 2007-01-18 Mike Stump <mrs@apple.com>
10830 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
10833 2007-01-18 Michael Meissner <michael.meissner@amd.com>
10835 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
10838 2007-01-18 Jan Hubicka <jh@suse.cz>
10840 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
10841 greater than NUM_VOP_FREE_BUCKETS.
10843 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
10845 * tree-ssa-structalias.c: Update comments.
10846 (ptabitmap_obstack): Removed.
10847 (pta_obstack): New.
10848 (oldpta_obstack): Ditto.
10849 (stats): Add a few members.
10850 (struct variable_info): Remove node, complex, address_taken, and
10851 indirect_target members. Add oldsolution member.
10852 (new_var_info): Do not initialize removed members.
10853 (constraint_expr_type): Remove INCLUDES.
10854 (constraint_graph): Add size, implicit_preds, rep,
10855 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
10856 (FIRST_REF_NODE): New macro.
10857 (LAST_REF_NODE): Ditto.
10858 (FIRST_ADDR_NODE): Ditto.
10859 (find): New function.
10861 (dump_constraint): Do not handle INCLUDES.
10862 (insert_into_complex): Do not insert duplicate constraints.
10863 (condense_varmap_nodes): Renamed and rewritten into ...
10864 (merge_node_constraints): This. Also fix bug in handling of
10865 offseted copy constraints.
10866 (clear_edges_for_node): No longer need to deal with preds at all,
10867 or removing associated preds/succs.
10868 (merge_graph_nodes): Deal with indirect_cycles.
10869 Don't deal with predecessors.
10870 (add_implicit_graph_edge): New function.
10871 (add_pred_graph_edge): Ditto.
10872 (add_graph_edge): Don't deal with predecessors.
10873 (build_constraint_graph): Removed.
10874 (build_pred_graph): New function.
10875 (build_succ_graph): Ditto.
10876 (struct scc_info): Removed in_component. Added roots, dfs, and
10877 node_mapping. Remove visited_index, unification_queue.
10878 (scc_visit): Deal with union-find we do now.
10879 Deal with cycles with REF nodes.
10880 (collapse_nodes): Renamed and rewritten to ...
10881 (unify_nodes): This.
10882 (process_unification_queue): Removed.
10883 (topo_visit): Cleanup
10884 (do_da_constraint): Use find.
10885 (do_sd_constraint): Ditto.
10886 (do_ds_constraint): Ditto.
10887 (do_complex_constraint): Ditto.
10888 (init_scc_info): Update for removed and added members.
10889 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
10890 (find_indirect_cycles): This.
10891 (equivalence_class): New variable.
10892 (label_visit): New function.
10893 (perform_variable_substitution): Rewritten.
10894 (free_var_substitution_info): New function.
10895 (find_equivalent_node): Ditto.
10896 (move_complex_constraints): Ditto.
10897 (eliminate_indirect_cycles): Ditto.
10898 (solve_graph): Only propagate changed bits.
10899 Use indirect cycle elimination.
10901 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
10902 (tree_id_eq): Renamed to ...
10903 (tree_vi_eq): This. Update for member change
10904 (insert_id_for_tree): Renamed and rewritten to ...
10905 (insert_vi_for_tree): This.
10906 (lookup_id_for_tree): Renamed and rewritten to ...
10907 (lookup_vi_for_tree): This.
10908 (get_id_for_tree): Renamed and rewritten to ...
10909 (get_vi_for_tree): Ditto.
10910 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
10911 (process_constraint): Don't handle INCLUDES.
10912 Remove special ADDRESSOF case.
10913 (find_func_aliases): Rewrite to use vi functions instead of id
10915 (create_function_info_for): Ditto.
10916 (create_variable_info_for): Ditto.
10917 (intra_create_variable_infos): Ditto.
10918 (merge_smts_into): Ditto.
10919 (find_what_p_points_to): Ditto.
10920 (init_base_vars): Ditto.
10921 (init_alias_vars): Ditto.
10922 (remove_preds_and_fake_succs): New function.
10923 (dump_sa_points_to_info): Dump new stats.
10924 (dump_solution_for_var): Use find.
10925 (set_used_smts): Fix formatting.
10926 (compute_points_to_sets): Updated for new functions.
10927 (ipa_pta_execute): Ditto.
10929 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10930 Richard Sandiford <richard@codesourcery.com>
10932 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
10934 * calls.c (expand_call): If the return value is a PARALLEL,
10935 extract its first member.
10936 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
10937 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10938 use FUNCTION_EXTRA_EPILOGUE.
10939 (m68k_function_value): Return a PARALLEL if the return value
10940 is of a pointer type.
10941 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
10942 (FUNCTION_EXTRA_EPILOGUE): Remove.
10943 * config/m68k/m68k.md (D0_REG): New constant.
10945 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10947 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
10948 output a NOP for empty epilogues.
10950 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10952 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
10953 before function. Extend register save check to include all
10954 registers, not just integer ones.
10956 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
10958 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
10959 (m68k_use_return_insn): ...this.
10960 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
10961 * config/m68k/m68k.c (use_return_insn): Rename to...
10962 (m68k_use_return_insn): ...this.
10963 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
10964 of USE_RETURN_INSN.
10966 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
10968 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
10969 nearest even, fix denormal rounding overflow.
10971 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10973 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
10974 f%$smove and f%$move.
10975 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
10976 (extendsfdf2_cf): Use fdmove instead of f%&move.
10977 (truncdfsf2_cf): Use fsmove instead of f%$smove.
10978 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
10980 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10982 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
10985 2007-01-18 Richard Sandiford <richard@codesourcery.com>
10987 * real.h (real_format): Add a canonical_nan_lsbs_set field.
10988 (coldfire_single_format): Declare.
10989 (coldfire_double_format): Likewise.
10990 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
10991 of qnan_msb_set to determine the lower bits of a canonical
10993 (encode_ieee_double): Likewise.
10994 (encode_ieee_quad): Likewise.
10995 (ieee_single_format): Initialize canonical_nan_lsbs_set.
10996 (mips_single_format): Likewise.
10997 (ieee_double_format): Likewise.
10998 (mips_double_format): Likewise.
10999 (ieee_extended_motorola_format): Likewise.
11000 (ieee_extended_intel_96_format): Likewise.
11001 (ieee_extended_intel_128_format): Likewise.
11002 (ieee_extended_intel_96_round_53_format): Likewise.
11003 (ibm_extended_format): Likewise.
11004 (mips_extended_format): Likewise.
11005 (ieee_quad_format): Likewise.
11006 (mips_quad_format): Likewise.
11007 (vax_f_format): Likewise.
11008 (vax_d_format): Likewise.
11009 (vax_g_format): Likewise.
11010 (i370_single_format): Likewise.
11011 (i370_double_format): Likewise.
11012 (decimal_single_format): Likewise.
11013 (decimal_double_format): Likewise.
11014 (decimal_quad_format): Likewise.
11015 (c4x_single_format): Likewise.
11016 (c4x_extended_format): Likewise.
11017 (real_internal_format): Likewise.
11018 (coldfire_single_format): New real_format.
11019 (coldfire_double_format): Likewise.
11020 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11021 canonical_nan_lsbs_set.
11022 (pdp11_d_format): Likewise.
11023 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11024 if TARGET_COLDFIRE_CPU.
11026 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11028 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11029 (output_call, m68k_legitimize_call_address): Declare.
11030 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11031 parenthesees. Add support for a 'W' constraint.
11032 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11033 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11034 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11035 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11037 (override_options): Initialize them. Do not set flag_no_function_cse
11038 for TARGET_ID_SHARED_LIBRARY.
11039 (m68k_output_pic_call): Delete.
11040 (m68k_legitimize_call_address): New function.
11041 (print_operand): Remove the %o prefix. Handle the %p prefix.
11042 (output_call): New function.
11043 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
11044 target address from the GOT if symbolic jumps are not allowed.
11045 * config/m68k/m68k.md (call, general_operand): Do not set
11046 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
11047 Merge separate flag_pic and !flag_pic define_insns into...
11048 (*call, *call_value): ...these new patterns. Match the address
11049 rather than the containing MEM and require it to be a call_operand.
11050 Use output_call to generate the asm template.
11051 * config/m68k/predicates.md (const_call_operand): New predicate.
11052 (call_operand): Likewise.
11054 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11056 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11057 (STACK_GROWS_DOWNWARD): Define to 1.
11058 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11059 comments, emphasizing that these values are only defaults.
11060 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11061 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11063 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11065 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11067 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11068 Richard Sandiford <richard@codesourcery.com>
11070 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11071 (FP_REGNO_P): New macros.
11072 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11073 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11074 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11075 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11077 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11079 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11080 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11082 * config/m68k/t-floatlib: New file, extracting common code from...
11083 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11084 * config/m68k/t-uclinux: Here.
11085 * config/m68k/fpgnulib.c: Do not compile extendeed precision
11086 routines on ColdFire targets.
11088 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11090 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11091 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11092 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11093 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11094 explicitly set MOTOROLA to 1.
11095 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11097 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11098 Nathan Sidwell <nathan@codesourcery.com>
11100 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11101 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11102 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11103 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11104 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11105 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11106 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11107 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11108 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11109 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11110 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11111 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11112 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11113 (DBX_REGISTER_NUMBER): Delete.
11114 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11115 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11116 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11118 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11120 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11121 * config/flat.h: New file.
11122 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11123 OBJECT_FORMAT_FLAT.
11124 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11125 indirect references for -msep-data or -mid-shared-library.
11126 Do not use PC-relative code addresses either.
11127 * config/m68k/m68k.c (override_options): Restrict -fPIC error
11129 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
11130 for shared libraries and crt1.o for executables. Use crti.o and
11132 (ENDFILE_SPEC): Use crtend.o and crtn.o.
11133 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11134 Do not add -elf2flt or -shared-lib-id options here.
11135 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
11136 Pass -shared-lib-id if -mid-shared-library, taking the library
11137 identifier from -mshared-library-id if given, otherwise
11139 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11140 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11141 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11142 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11143 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11144 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11146 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11147 jump sequence for ISA A and ISA A+.
11148 (PICJUMP): Likewise.
11150 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11152 * config.gcc (m68k-*-uclinux*): Base the port on the common
11153 and m68k GNU/Linux files rather than on the generic ELF ones.
11154 * config/m68k/uclinux.h (TARGET_VERSION): Override.
11155 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11157 2007-01-18 Julian Brown <julian@codesourcery.com>
11158 Richard Sandiford <richard@codesourcery.com>
11160 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11161 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11162 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11164 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11165 80 unconditionally.
11166 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11168 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11170 * doc/install.texi: Document m68k-uclinuxoldabi.
11171 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11172 * config/m68k/uclinux-oldabi.h: New file, copied from
11173 config/m68k/uclinux.h.
11175 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11177 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11178 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11179 (m32r_compute_frame_size): Use unsigned for regno.
11180 (m32r_reload_lr): Use gen_frame_mem.
11182 (m32r_output_function_epilogue): Don't output the function epilogue
11184 (m32r_expand_epilogue): New.
11185 (direct_return): Return false if the function has the interrupt
11187 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11188 * config/m32r/m32r.md (epilogue): New expander.
11189 (return_lr, return_rte): New insns.
11190 (return): Make it expander.
11191 (return_normal): New expander.
11193 2007-01-18 Josh Conner <jconner@apple.com>
11196 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11197 support for UNLE, UNLT, UNGE, and UNGT.
11199 2007-01-18 Jan Hubicka <jh@suse.cz>
11201 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11202 * tree-tailcall (add_virtual_phis): Likewise.
11203 (optimize_tail_call): Return TODOs.
11204 (execute_tail_calls): Return TODOs.
11205 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11206 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11208 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11209 Cleanup cfg using TODO.
11210 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11211 * passes.c (execute_function_todo): When cleanup did something, remove
11213 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11214 (make_edges): Don't cleanup_cfg.
11216 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
11218 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11219 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11220 operate on the top of stack.
11221 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11222 register handling of instructions that output to the second
11224 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11225 (move_for_stack_reg): Special-case check for dead destination
11226 stack slot for constant load of 1.0 inside UNSPEC_TAN.
11228 * config/i386/i386.md (UNSPEC_TAN): New constant.
11229 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11230 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11231 to correctly model move of constant 1.0 to top stack slot.
11232 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11233 (unnamed peephole2 pattern): Remove corresponding peephole2
11234 pattern that optimizes tan insn and loading of constant 1.0.
11235 (tanxf2): Use fptanxf4_i387.
11236 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11237 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
11238 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11239 disable patterns for SSE math.
11240 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11241 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11243 2007-01-18 Dirk Mueller <dmueller@suse.de>
11244 Richard Guenther <rguenther@suse.de>
11247 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11248 * common.opt (Warray-bounds): Add new warning option.
11249 * c-opts.c (c_common_handle_option): Define -Warray-bounds
11251 * Makefile.in: make tree-vrp.o depend on toplev.h
11252 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11254 (check_array_refs, check_array_bounds, check_array_ref): New.
11256 2007-01-18 Jan Hubicka <jh@suse.cz>
11258 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11259 (execute_ssa_ccp): Return flags conditionally.
11260 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11262 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11264 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
11266 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11267 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11269 * Makefile.c (GTFILES): Add cfglayout.h.
11270 * gengtype.c (open_base_files): Likewise.
11271 * cfglayout.c (cfg_layout_function_footer,
11272 cfg_layout_function_header) Reindent to make gengtype happy.
11273 * cfglayout.h (cfg_layout_function_footer,
11274 cfg_layout_function_header): Add GTY(()) marker.
11276 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11278 2007-01-18 Ben Elliston <bje@au.ibm.com>
11280 * genautomata.c (write_automata): Include xstrerror output in the
11281 error message if writing the DFA description file fails.
11283 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
11285 * config/mips/mips-protos.h (mips_output_external): Make it
11287 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11288 * config/mips/mips.c (irix_output_external_libcall): Likewise.
11289 (extern_list): Likewise.
11290 (extern_head): Likewise.
11291 (TARGET_ASM_FILE_END): Likewise.
11292 (mips_file_end): Likewise.
11293 (mips_output_external): Rewritten.
11295 2007-01-18 Ben Elliston <bje@au.ibm.com>
11297 * genpreds.c (write_insn_preds_c): Only write out the function
11298 body for regclass_for_constraint if we have register constraints.
11300 2007-01-17 Tom Tromey <tromey@redhat.com>
11302 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11303 * doc/install.texi (Testing): Use sourceware.org.
11304 (Binaries): Likewise.
11305 (Specific): Likewise.
11306 * doc/contrib.texi (Contributors): Use sourceware.org.
11308 2007-01-17 Anatoly Sokolov <aesok@post.ru>
11310 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11311 (AVR_ENHANCED): Rename to ...
11312 (AVR_HAVE_MUL): ... new.
11313 (avr_enhanced_p): Rename to ...
11314 (avr_have_mul_p): ... new.
11315 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11316 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11317 * config/avr/avr.c (avr_enhanced_p): Rename to ...
11318 (avr_have_mul_p): ... new.
11319 (base_arch_s): Rename 'enhanced' to 'have_mul'.
11320 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11321 'avr_enhanced_p' and 'enhanced'.
11322 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11323 AVR_HAVE_MUL instead of AVR_ENHANCED.
11324 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11325 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11326 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11327 instead of AVR_ENHANCED.
11328 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11329 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11330 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11332 2007-01-17 Ian Lance Taylor <iant@google.com>
11334 * vec.h (VEC_reserve_exact): Define.
11335 (vec_gc_p_reserve_exact): Declare.
11336 (vec_gc_o_reserve_exact): Declare.
11337 (vec_heap_p_reserve_exact): Declare.
11338 (vec_heap_o_reserve_exact): Declare.
11339 (VEC_OP (T,A,reserve_exact)): New static inline function, three
11341 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11342 negative parameter.
11343 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11344 (VEC_OP (T,A,copy)) [all versions]: Likewise.
11345 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11346 * vec.c (calculate_allocation): Add exact parameter. Change all
11348 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11349 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11350 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11351 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11352 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11353 (vec_heap_p_reserve_exact): New function.
11354 (vec_heap_o_reserve_exact): New function.
11356 2007-01-17 Jan Hubicka <jh@suse.cz>
11358 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11360 2007-01-17 Eric Christopher <echristo@apple.com>
11362 * config.gcc: Support core2 processor.
11364 2007-01-16 Jan Hubicka <jh@suse.cz>
11366 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11367 the names, just unlink the chain so we don't crash on dangling pointers
11370 2007-01-16 Jan Hubicka <jh@suse.cz>
11372 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11373 * tree-pass.h: Reorder to make IPA passes appear toegher.
11374 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11375 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11376 parameters, do not call early inliner.
11377 * ipa-inline.c: Update comments. Include tree-flow.h
11378 (cgraph_decide_inlining): Do not compute inlining parameters.
11379 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11380 be called with function context set up.
11381 (pass_ipa_inline): Remove unreachable functions before pass.
11382 (cgraph_early_inlining): Simplify assuming to be called from the
11384 (pass_early_inline): New pass.
11385 (cgraph_gate_ipa_early_inlining): New gate.
11386 (pass_ipa_early_inline): Turn into simple wrapper.
11387 (compute_inline_parameters): New function.
11388 (gate_inline_passes): New gate.
11389 (pass_inline_parameters): New pass.
11390 (apply_inline): Move here from tree-optimize.c
11391 (pass_apply_inline): New pass.
11392 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11394 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11395 doing them by hand.
11396 (tree_function_versioning): Do not allocate dummy struct function.
11397 * tree-inline.h (optimize_inline_calls): Update prototype.
11398 * tree-optimize.c (execute_fixup_cfg): Export.
11399 (pass_fixup_cfg): Remove
11400 (tree_rest_of_compilation): Do not apply inlines.
11401 * tree-flow.h (execute_fixup_cfg): Declare.
11402 * Makefile.in (gt-passes.c): New.
11403 * passes.c: Include gt-passes.h
11404 (init_optimization_passes): New passes.
11405 (nnodes, order): New static vars.
11406 (do_per_function_toporder): New function.
11407 (execute_one_pass): Dump current pass here.
11408 (execute_ipa_pass_list): Don't dump current pass here.
11410 2007-01-16 Janis Johnson <janis187@us.ibm.com>
11412 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11413 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11415 2007-01-16 David Edelsohn <edelsohn@gnu.org>
11417 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11418 (strong_alias): Define.
11419 (__gcc_qmul): Provide non-FMA for soft-float.
11420 (__gcc_qdiv): Same.
11425 (__gcc_qunord): New.
11435 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11436 soft-float functions.
11437 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11438 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11439 about long double soft float.
11441 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
11442 Tehila Meyzels <tehila@il.ibm.com>
11444 * tree-vectorizer.h (is_pattern_stmt_p): New.
11445 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11446 formatting (tabs instead of spaces). Cleanup and clarify setting
11447 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11448 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11449 (vectorizable_type_demotion): Check that types are integral.
11450 (vectorizable_type_promotion): Likewise.
11451 (vectorizable_store): Fix typo. Eliminate new-line at end of
11454 2007-01-16 Jan Hubicka <jh@suse.cz>
11456 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11459 2007-01-15 Eric Christopher <echristo@apple.com>
11461 * ifcvt.c: Include vec.h, vecprim.h.
11462 (check_cond_move_block): New argument regs.
11463 Reorganize. Add registers used to regs.
11464 (cond_move_process_if_block): Use regs set above as
11467 2007-01-15 Eric Christopher <echristo@apple.com>
11469 * config/darwin.h: Update copyright.
11470 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11471 (LINK_COMMAND_SPEC): Add -u.
11472 (LINK_SPEC): Fix umbrella for above.
11474 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
11476 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11479 2007-01-15 Tom Tromey <tromey@redhat.com>
11481 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11482 * doc/install.texi (Testing): Don't mention jacks.
11483 (Configuration): Document --enable-java-maintainer-mode. Move
11484 --with-java-home to libgcj-specific section. Document
11486 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11488 2007-01-15 Jan Hubicka <jh@suse.cz>
11490 * tree-ssa-dce.c (DCE_TODOs): New.
11491 (propagate_necessity): Return if something changed.
11492 (eliminate_unnecessary_stmts): Likewise.
11493 (perform_tree_ssa_dce): Return TODO flags when needed.
11494 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11496 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
11498 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11499 (fyl2x_extend<mode>xf3_i387): New insn pattern.
11500 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11501 patterns using X87MODEF12 mode macro. Extend operand 1
11502 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11503 (log10<mode>2): Ditto.
11504 (log2<mode>2): Ditto.
11505 (log1p<mode>2): Ditto.
11506 (logb<mode>2): Ditto.
11507 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11508 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11509 (*fxtractxf3_i387): Rename from *fxtractxf3.
11510 (fxtract_extend<mode>xf3_i387): New insn pattern.
11511 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11512 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11513 and gen_fyl2xxf3_i387().
11515 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11517 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11518 * cfgloopmanip.c (fix_loop_placement): Made static. Use
11519 get_loop_exit_edges. Changed return type to bool.
11520 * cfgloop.h (fix_loop_placement): Declaration removed.
11522 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
11524 * param.h (MIN_VECT_LOOP_BOUND): New.
11525 * params.def (MIN_VECT_LOOP_BOUND): New.
11526 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11527 argument - minimum threshold for number of iterations.
11528 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11529 argument to declaration.
11530 * tree-vect-analyze.c (vect_analyze_operations): Check value of
11531 MIN_VECT_LOOP_BOUND.
11532 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11533 slpeel_tree_peel_loop_to_edge with additional argument.
11534 (vect_do_peeling_for_alignment): Likewise.
11535 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11537 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
11540 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11541 operands of size 1.
11543 2007-01-14 Jan Hubicka <jh@suse.cz>
11545 * tree-dfa.c (remove_referenced_var): New function.
11546 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11547 prune referenced vars list too.
11548 * tree-flow.h (remove_referenced_var): Declare.
11550 2007-01-14 Jan Hubicka <jh@suse.cz>
11552 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11554 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11555 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11556 * except.h (verify_eh_throw_table_statements): Kill prototype.
11557 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11558 into call exrepssions.
11559 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11561 * tree-cfg.c: Include pointer-set.h.
11562 (verify_node_sharing): Work on pointer set.
11563 (verify_eh_throw_stmt_node): New.
11564 (verify_stmts): Use pointers sets, verify throw_stmt.
11566 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
11568 * ipa-reference.c (analyze_function): Consider also addresses taken
11571 2007-01-12 Roger Sayle <roger@eyesopen.com>
11573 * c-typeck.c (null_pointer_constant_p): Replace use of
11574 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11575 (build_c_cast): Likewise.
11577 2007-01-12 Roger Sayle <roger@eyesopen.com>
11579 * tree.h (force_fit_type_double): Remove unused final argument.
11580 * c-common.c (constant_expression_warning): Replace use of
11581 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11582 (convert_and_check): Likewise.
11583 (shorten_compare): Update call to force_fit_type_double.
11584 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11585 * convert.c (convert_to_pointer): Update call to
11586 force_fit_type_double.
11587 * fold-const.c (force_fit_type_double): Remove overflowed_const
11589 (int_const_binop, fold_convert_const_int_from_int,
11590 fold_convert_const_int_from_real, fold_div_compare,
11591 fold_sign_changed_comparison, fold_unary, fold_negate_const,
11592 fold_abs_const, fold_not_const): Remove the final argument from
11593 calls to force_fit_type_double.
11595 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
11597 * configure.ac: Set insn to "nop" for spu-*-* also.
11598 * configure: Regenerate.
11600 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
11602 * builtins.def : Add BUILT_IN_FREE.
11604 2007-01-12 Jan Hubicka <jh@suse.cz>
11606 PR tree-optimization/30443
11607 * tree-inline.c (tree_function_versioning): Do not optimize when
11608 cloning for inlining.
11610 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
11612 * doc/loop.texi: Document recording of loop exits.
11613 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11614 (update_single_exits_after_duplication,
11615 update_single_exit_for_duplicated_loop,
11616 update_single_exit_for_duplicated_loops): Removed.
11617 (duplicate_loop_to_header_edge): Do not call
11618 update_single_exits_after_duplication and
11619 update_single_exit_for_duplicated_loops.
11620 (loop_version): Do not update single_exit information.
11621 (fix_loop_structure): Use record_loop_exits instead of
11622 mark_single_exit_loops.
11623 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11624 the lists of loop exits.
11625 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11626 split_edge, merge_blocks): Update the lists of loop exits.
11627 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11628 loop_optimizer_init.
11629 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11630 of mark_single_exit_loops.
11631 (loop_optimizer_finalize): Call release_recorded_exits.
11632 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
11633 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
11634 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
11635 update single exit information.
11636 * lambda-code.c (perfect_nestify): Ditto.
11637 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
11638 (mark_single_exit_loops): Removed.
11639 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
11640 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
11641 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
11643 (get_loop_exit_edges, single_exit): Use recorded exit lists.
11644 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
11645 (verify_loop_structure): Verify consistency of the exit lists.
11646 (flow_loops_find): Use alloc_loop. Initialize exits hash.
11647 (set_single_exit): Removed.
11648 * cfgloop.h (struct loop_exit): New function.
11649 (struct loop): single_exit_ field replaced by exits field.
11650 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
11651 (struct loops): Added exits hash.
11652 (mark_single_exit_loops, set_single_exit): Declaration removed.
11653 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
11655 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11657 * doc/invoke.texi: Avoid use of @headitem.
11659 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11661 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
11663 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11665 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
11668 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11669 Richard Sandiford <richard@codesourcery.com>
11671 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
11672 * config/m68k/m68k.opt: Resort options.
11673 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
11675 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11676 Richard Sandiford <richard@codesourcery.com>
11678 * doc/invoke.texi: Document the macros that are defined by
11679 m68k's -mtune and -mhard-float options.
11680 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
11681 (m68k_cpp_cpu_family): Likewise.
11682 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
11683 of __ucfv*__ macros. Define __mcffpu__ if generating code for
11684 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
11685 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
11686 (m68k_cpp_cpu_family): Likewise.
11688 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11690 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
11691 macros besides mc68000 as tuning macros. Use a switch statement
11692 to set them and mcpu32.
11694 2007-01-12 Julian Brown <julian@codesourcery.com>
11696 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
11697 (TARGET_68040_ONLY): Rename to...
11698 (TARGET_68040): ...this.
11699 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
11700 * config/m68k/m68k.md: Likewise.
11702 2007-01-12 Julian Brown <julian@codesourcery.com>
11703 Nathan Sidwell <nathan@codesourcery.com>
11704 Richard Sandiford <richard@codesourcery.com>
11706 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
11707 the -mcpu= argument associated with the --with-cpu setting.
11708 Define M68K_DEFAULT_TUNE to the default -mtune= option,
11709 if different from the one implied by the -mcpu setting.
11710 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
11711 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
11712 * doc/invoke.texi: Mention ColdFire in the introduction to the
11713 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
11714 -mno-div and -mhard-float options. Make -m68881 a synonym for
11715 -mhard-float. Document the previously-undocumented -m5206e,
11716 -m528x, -m5307 and -m5407 options. Tweak the existing option
11717 documentation for consistency.
11718 * doc/install.texi: Mention new --with-cpu arguments.
11719 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
11720 default CPU if neither -mcpu nor -march are specified.
11721 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
11722 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
11723 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
11724 using m68k_tune to decide between families that implement the
11725 same ISA. Use m68k_tune to set __mcfv4e__.
11726 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
11727 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
11728 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
11729 (FL_ISA_C, FL_ISA_MMU): New macros.
11730 (MASK_COLDFIRE): Delete.
11731 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
11732 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
11733 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
11734 (TARGET_HARD_FLOAT): Do not define here.
11735 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
11736 (TUNE_68000): New macro.
11737 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
11738 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
11739 (TUNE_CFV2): Redefine in terms of m68k_tune.
11740 (uarch_type, target_device, fpu_type): New enums.
11741 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
11742 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
11743 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
11744 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
11745 (FL_FOR_isa_c): New macros.
11746 (m68k_isa): New enum.
11747 (m68k_target_selection): New structure.
11748 (all_devices, all_isas, all_microarchs): New tables.
11749 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
11750 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
11751 (MASK_ALL_CPU_BITS): Delete.
11752 (m68k_find_selection): New function.
11753 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
11754 Map the legacy target options to a combination of the new ones.
11755 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
11756 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
11757 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
11759 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
11760 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
11762 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
11763 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
11764 * config/m68k/m68k-devices.def: New file.
11766 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11767 Nathan Sidwell <nathan@codesourcery.com>
11769 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
11770 (SUBTARGET_EXTRA_SPECS): New macros.
11771 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
11772 use %(asm_cpu_spec) instead.
11773 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
11774 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
11775 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
11776 (EXTRA_SPECS): Rename to...
11777 (SUBTARGET_EXTRA_SPECS): ...this.
11779 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
11780 Richard Sandiford <richard@codesourcery.com>
11781 Julian Brown <julian@codesourcery.com>
11783 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11784 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
11785 to the configuration's default CPU.
11786 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
11787 Remove default masks.
11788 (m680[012]0-*-*): Set the default with_cpu to the first part of
11790 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
11791 (m68k*-*-linux): Extend the --with-cpu handling to...
11792 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
11793 and m68010. Don't set target_cpu_default2.
11794 * doc/install.texi: Document --with-cpu for m68k.
11795 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
11796 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
11797 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
11798 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
11799 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
11800 (ASM_SPEC): Remove use of %(asm_cpu_default).
11801 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
11802 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
11803 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
11804 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
11805 __HAVE_FPU__ if TARGET_HARD_FLOAT.
11806 (TARGET_DEFAULT): Delete.
11807 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
11808 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
11809 (CPP_CPU_SPEC): Delete.
11810 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
11811 the appropriate string.
11812 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
11813 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
11814 (ASM_SPEC): Don't use %(asm_default_spec).
11815 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
11816 TARGET_DEFAULT and add MASK_68881.
11817 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
11819 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11821 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
11822 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
11823 MASK_68010 alongside MASK_68020.
11824 * doc/invoke.texi: Document -m68010.
11825 * config/m68k/m68k.opt (m68010): New.
11826 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
11828 (TUNE_68010): New macro.
11829 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
11830 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
11831 (M68K_CPU_m68332): Add MASK_68010.
11832 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
11833 fallback definition.
11834 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
11836 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
11837 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
11838 to all entries that use MASK_68020.
11839 (output_move_simode_const, output_move_himode, output_move_qimode)
11840 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
11841 instead of TARGET_68020 to select clr behavior. Remove comment
11842 about there being no TARGET_68010.
11843 * config/m68k/m68k.md: Likewise throughout.
11845 2007-01-12 Julian Brown <julian@codesourcery.com>
11847 * config/m68k/m68k.h (TARGET_ISAB): New macro.
11848 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
11849 * config/m68k/m68k.md: Likewise.
11851 2007-01-12 Julian Brown <julian@codesourcery.com>
11853 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
11854 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
11856 2007-01-12 Julian Brown <julian@codesourcery.com>
11858 * config/m68k/m68k.h (TUNE_68040_60): New macro.
11859 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
11860 * config/m68k/m68k.md: Likewise.
11862 2007-01-12 Julian Brown <julian@codesourcery.com>
11863 Richard Sandiford <richard@codesourcery.com>
11865 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
11866 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
11867 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
11869 (TARGET_CPU32): Rename to...
11870 (TUNE_CPU32): ...this.
11871 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
11872 (TUNE_CFV2): New macros.
11873 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
11874 remove conditions that are implied by TARGET_68020.
11875 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
11876 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
11877 (m68k_output_function_epilogue): Likewise.
11878 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
11879 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
11880 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
11881 non-68000 timings. Refactor multiplication and division costs.
11882 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
11883 TUNE_CPU32 instead of TARGET_CPU32.
11884 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
11885 and TUNE_68060 instead of TARGET_68060.
11886 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
11887 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
11889 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
11890 && !TARGET_COLDFIRE" to choose between moveq and clr.
11891 Likewise in the unnamed movsf pattern.
11892 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
11893 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
11896 2007-01-12 Richard Sandiford <richard@codesourcery.com>
11898 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
11899 of tabbing before backslashes.
11901 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11903 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
11904 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
11905 (ASM_OUTPUT_INTERNAL_LABEL): Define.
11907 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11909 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
11910 find_interesting_uses_cond.
11911 (find_interesting_uses_cond): Use extract_cond_operands.
11912 (rewrite_use_compare): Use extract_cond_operands and
11913 force_gimple_operand_bsi. Do not call update_stmt.
11914 (determine_use_iv_cost_condition): Use extract_cond_operands.
11915 Return cheaper of using original bound and changing the exit bound.
11917 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11919 PR tree-optimization/29516
11920 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
11921 most_expensive_mult_to_index, addr_to_parts,
11922 create_mem_ref, maybe_fold_tmr): Make the type of
11923 fields of TARGET_MEM_REF sizetype.
11924 (move_fixed_address_to_symbol, move_pointer_to_base):
11926 * tree.def (TARGET_MEM_REF): Add comment on types of
11929 2007-01-11 Joseph Myers <joseph@codesourcery.com>
11931 * c-common.c (vector_types_convertible_p): Treat opaque types as
11932 always convertible if they have the same size, but not otherwise.
11934 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
11936 * ifcvt.c (struct noce_if_info): Add comments to the fields.
11937 Remove the b_unconditional field.
11938 (noce_try_sign_mask): Do not look at b_unconditional.
11939 (noce_process_if_block): Do not use merge_if_blocks. Update
11940 the CFG here. Do not set b_unconditional.
11941 (cond_move_process_if_block): Likewise.
11942 (find_cond_trap): Likewise.
11943 (check_cond_move_block): Require simple jump insns at the end
11944 of the basic block.
11946 2007-01-11 Jan Hubicka <jh@suse.cz>
11948 PR tree-optimization/1046
11949 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
11950 when alias info is not ready.
11951 (pass_tail_recursion): Do not require aliasing.
11952 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
11953 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
11954 * tree-ssa-copy.c (pass_copy_prop): Likewise.
11955 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
11956 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
11957 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
11958 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
11960 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
11961 When aliasing is not build, mark statement as volatile.
11963 2007-01-11 Tom Tromey <tromey@redhat.com>
11965 PR preprocessor/15185, PR preprocessor/20989:
11966 * doc/cppopts.texi <-MT>: Update description of algorithm for
11967 computing default target.
11968 <-M, -MD>: Reword "basename" text.
11970 2007-01-11 Roger Sayle <roger@eyesopen.com>
11972 * builtins.c (expand_builtin_pow, expand_builtin_powi,
11973 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
11974 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
11975 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
11976 fold_builtin_bswap, real_constp, fold_builtin_pow,
11977 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
11978 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
11979 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11980 * convert.c (convert_to_pointer): Likewise.
11981 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
11982 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
11983 const_binop, fold_convert_const_int_from_int,
11984 fold_convert_const_int_from_real,
11985 fold_convert_const_real_from_real, sign_bit_p,
11986 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
11987 fold_sign_changed_comparison, fold_unary, fold_comparison,
11988 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
11989 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
11990 * print-tree.c (print_node_brief, print_node): Likewise.
11991 * stor-layout.c (place_field, layout_type): Likewise.
11992 * tree-chrec.c (keep_cast): Likewise.
11993 * tree.c (build_vector, build_real, build_real_from_int_cst,
11994 build_complex): Likewise.
11996 2007-01-11 Roger Sayle <roger@eyesopen.com>
11998 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
11999 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
12001 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
12003 * configure.ac (strict1_warn): Rename to strict_warn.
12004 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
12005 cc_set_by_configure, quoted_cc_set_by_configure,
12006 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12007 all_boot_languages, all_stagestuff): Remove.
12008 (target_list): Remove bootstrap targets.
12009 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12010 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12011 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12012 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12013 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12014 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12015 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12016 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12017 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12018 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12019 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12020 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12021 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12022 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12023 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12024 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12025 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12026 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12027 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12028 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12029 (mostlyclean): Adjust.
12030 (clean, distclean): Don't mention bootstrap stuff.
12031 * configure: Regenerate.
12032 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12033 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12034 treelang/config-lang.in (stagestuff): Remove.
12035 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12036 stageprofile, stagefeedback, stagestuff): Remove mention.
12038 2007-01-11 Nick Clifton <nickc@redhat.com>
12040 * config/mcore/predicates.md (mcore_general_movesrc_operand):
12042 (mcore_general_movdst_operand): Do not accept CONST_INTs.
12043 (mcore_arith_K_S_operand): Run the test for the S constraint not
12044 the test for the M constraint.
12045 (mcore_addsub_operand): Do not accept integer values that are
12046 larger than 32 bits.
12047 * config/mcore/mcore.md: Remove unused constraints from split.
12048 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12049 (addsi3): Likewise.
12050 (allocate_stack): Likewise.
12051 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12052 operands to 32 bits.
12053 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12055 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12056 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12057 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12058 mcore_output_bclri, mcore_output_andn, output_inline_const,
12059 mcore_output_move, mcore_output_movedouble): Likewise.
12060 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12061 (output_inline_const): Likewise.
12062 (output_inline_const): Fix format strings used in sprintf
12064 * config/mcore/mcore-protos.h: Update prototypes for changed
12065 functions in mcore.c.
12066 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12067 HOST_WIDE_INT and not int.
12068 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12069 CONST_OK_FOR_N): Likewise.
12070 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12071 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12074 2007-01-10 Jan Hubicka <jh@suse.cz>
12076 * tree-vrp.c (remove_range_assertions): Release defs.
12077 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12078 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12080 2007-01-10 Paul Brook <paul@codesourcery.com>
12082 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12083 * config/arm/arm.md (mulsi3subsi): New insn.
12085 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
12087 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12088 (tree_transform_and_unroll_loop): New.
12089 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12092 2007-01-10 Robert Kennedy <jimbob@google.com>
12094 * fold-const.c (fold_comparison): Fold comparisons like (x *
12095 1000 < 0) to (x < 0).
12097 2007-01-10 Ian Lance Taylor <iant@google.com>
12099 * tree-pretty-print.c (dump_generic_node): Print parentheses when
12100 operands have the same priority.
12102 2007-01-10 Tom Tromey <tromey@redhat.com>
12104 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12105 (fold_binary): Likewise.
12106 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12107 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12108 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12109 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12110 * langhooks.h (struct lang_hooks): Removed field
12111 'can_use_bit_fields_p'.
12113 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
12115 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12117 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
12119 * function.c (get_last_funcdef_no): New function.
12120 * function.h (get_last_funcdef_no): Declare.
12121 * tree-inline.c (initialize_cfun): Add initialization.
12122 (tree_function_versioning): Cleanup.
12124 2007-01-10 Jan Hubicka <jh@suse.cz>
12126 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12129 2007-01-10 Sa Liu <saliu@de.ibm.com>
12130 Ben Elliston <bje@au.ibm.com>
12132 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12133 for SAVE_NONLOCAL and Pmode for any other save level.
12134 * spu-protos.h (spu_restore_stack_block): Declare.
12135 * spu.md (save_stack_block): Remove.
12136 (restore_stack_block): Call spu_restore_stack_block.
12137 * spu.c (spu_restore_stack_block): New function.
12138 (spu_expand_epilogue): Remove old comment.
12140 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
12142 PR tree-optimization/30322
12143 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12144 (cand_value_at): Return the value as aff_tree.
12145 (may_eliminate_iv): Convert the bound from aff_tree to tree.
12146 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12147 aff_combination_mult): New functions.
12148 (aff_combination_add): Use aff_combination_add_cst.
12149 (aff_combination_convert): Allow conversions to a wider type.
12150 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12151 * tree-affine.h (aff_combination_mult): Declare.
12153 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
12155 * doc/tm.texi: Update documentation to reflect reality of exec
12156 and start file search behaviours. Update copyright year.
12157 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12158 header file directories.
12160 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
12162 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12163 (*cosxf2): Rename to cosxf2_i387.
12164 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
12165 using X87MODEF12 mode macro. Rename patterns to
12166 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
12168 (*cosdf2, *cossf2): Ditto.
12169 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
12170 to match extended input operands.
12171 (sincos<mode>3): New expander.
12172 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12173 insn patterns and corresponding splitters.
12175 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
12177 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12178 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12180 2007-01-09 Nicolas Pitre <nico@cam.org>
12183 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12185 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12187 * target.h (struct gcc_target): New field library_rtti_comdat.
12188 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12189 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12190 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12191 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12193 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12195 * doc/invoke.texi (Optimize Options): Correct description of -O0.
12197 2007-01-08 Richard Guenther <rguenther@suse.de>
12199 * tree.h (force_fit_type_double): Export.
12200 (force_fit_type): Remove.
12201 * fold-const.c (force_fit_type_double): New function.
12202 (force_fit_type): Remove.
12203 (int_const_binop): Use it.
12204 (fold_convert_const_int_from_int): Likewise.
12205 (fold_convert_const_int_from_real): Likewise.
12206 (fold_div_compare): Likewise.
12207 (fold_sign_changed_comparison): Likewise.
12208 (fold_unary): Likewise.
12209 (fold_negate_const): Likewise.
12210 (fold_abs_const): Likewise.
12211 (fold_not_const): Likewise.
12212 * c-common.c (shorten_compare): Use force_fit_type_double.
12213 * convert.c (convert_to_pointer): Likewise.
12215 2007-01-08 Richard Guenther <rguenther@suse.de>
12217 * tree.h (build_int_cst_wide_type): Export.
12218 * tree.c (build_int_cst_wide_type): New function.
12219 (build_int_cst_wide): Fix comment.
12220 * builtins.c (fold_builtin_object_size): Use build_int_cst
12221 to build -1 or 0 of the correct type. Use fit_double_type
12222 to check for overflow.
12223 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12225 (decode_field_reference): Likewise.
12226 (all_ones_mask_p): Likewise.
12227 (native_interpret_int): Use build_int_cst_wide_type.
12228 (fold_binary): Use build_int_cst_type to build an all-ones
12230 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12232 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
12234 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12236 2007-01-09 Ben Elliston <bje@au.ibm.com>
12238 * genautomata.c (STATS_OPTION): New option.
12239 (stats_flag): New flag.
12240 (gen_automata_option): Handle it.
12241 (initiate_automaton_gen): Ditto.
12242 (write_automata): Output statistics only if stats_flag is
12243 set. Likewise, output time statistics only if time_flag is set.
12244 * doc/md.texi (Processor pipeline description): Document new flag.
12246 2007-01-08 Richard Guenther <rguenther@suse.de>
12248 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12249 * tree.c (build_int_cst_type): Likewise.
12250 (size_in_bytes): Don't call force_fit_type on the result.
12251 (int_fits_type_p): Use fit_double_type.
12252 * fold-const.c (fit_double_type): New function.
12253 (force_fit_type): Use it.
12254 * tree.h (fit_double_type): Export.
12256 2007-01-08 Jan Hubicka <jh@suse.cz>
12258 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12259 * ipa.c (function_and_variable_visibility): Fix return type.
12261 2007-01-08 Richard Guenther <rguenther@suse.de>
12263 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12264 of offset to build the index.
12265 * tree-pretty-print.c (dump_generic_node): Don't build negated
12266 const just for printing.
12267 * c-pretty-print.c (pp_c_integer_constant): Likewise.
12268 * builtins.c (fold_builtin_int_roundingfn): Check if result
12269 fits the type by using force_fit_type and comparing the result.
12270 * predict.c (predict_loops): Use compare_tree_int for comparison.
12271 * tree.c (build_int_cst): Fall back to integer_type_node for
12273 (build_int_cst_wide): Assert type is non-null.
12275 2007-01-08 Roberto Costa <roberto.costa@st.com>
12277 * tree-vrp.c (extract_range_from_cond_expr): New.
12278 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12279 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12281 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12282 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12283 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12284 used as expressions.
12285 * tree-object-size.c (cond_expr_object_size): New.
12286 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12288 2007-01-08 Jan Hubicka <jh@suse.cz>
12290 * tree-ssa-forwprop.c (forward_propagate_into_cond,
12291 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12294 2007-01-08 Richard Guenther <rguenther@suse.de>
12296 PR tree-optimization/23603
12297 * tree-vrp.c (set_value_range_to_truthvalue): New function.
12298 (extract_range_from_binary): Fall back to truthvalue instead of
12299 varying for TRUTH_*_EXPR.
12300 (extract_range_from_comparison): Fall back to truthvalue instead of
12302 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12303 if all visited PHI values were constant.
12305 2007-01-08 Jan Hubicka <jh@suse.cz>
12307 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12308 (cgraph_analyze_function): break out from ...
12309 (cgraph_finalize_compilation_unit): ... here.
12310 (cgraph_expand_function): Remove forgoten commented out line.
12311 (cgraph_optimize): Analyze functions.
12313 2007-01-08 Jan Hubicka <jh@suse.cz>
12315 * tree-pas.h (TODO_remove_function): New flag.
12316 (TODO_update*): Renumber.
12317 (pass_ipa_increase_alignment,
12318 pass_ipa_function_and_variable_visibility): New passes.
12319 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12320 (cgraph_function_and_variable_visibility): Move to ipa.c
12321 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12322 cgraph_increase_alignment.
12323 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12324 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12325 calling tree-inline.
12326 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12327 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12328 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12329 (gate_increase_alignment): New function.
12330 (pass_ipa_increase_alignment): New pass.
12331 * ipa.c: Inline tree-pass.h and timevar.h
12332 (function_and_variable_visibility): Move here from cgraphunit.c
12333 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12334 * passes.c (init_optimization_passes): Add the two new passes.
12335 (execute_todo): Handle cgraph_remove_functions.
12337 2007-01-08 Nick Clifton <nickc@redhat.com>
12339 * config/frv/predicates.md (reg_or_0_operand): Accept
12342 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
12344 * config/bfin/rtems.h, config/bfin/t-rtems: New.
12345 * config.gcc: Add bfin*-rtems*.
12347 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12349 * c.opt: Add -flax-vector-conversions.
12350 * c-typeck.c (convert_for_assignment): Pass flag to
12351 vector_types_convertible_p to allow emission of note.
12352 (digest_init): Likewise.
12353 * c-opts.c: Handle -flax-vector-conversions.
12354 * c-common.c (flag_lax_vector_conversions): New.
12355 (vector_types_convertible_p): Unless -flax-vector conversions
12356 has been passed, disallow conversions between vectors with
12357 differing numbers of subparts and/or element types. If such
12358 a conversion is disallowed, possibly emit a note on the first
12359 occasion only to inform the user of -flax-vector-conversions.
12360 The new last argument specifies this.
12361 * c-common.h (flag_lax_vector_conversions): New.
12362 (vector_types_convertible_p): Add extra argument.
12363 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12364 char_type_node for V*QI type vectors.
12365 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12366 Update to satisfy new typechecking rules.
12367 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12368 C and C++ variants.
12369 * doc/invoke.texi (C Dialect Options): Document
12370 -flax-vector-conversions.
12372 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12374 PR tree-optimization/29877
12375 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12376 a register variable on the RHS to not be replaceable.
12378 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
12379 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12380 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12381 const_simm15, const_pow2, const_npow2): Added.
12382 * config/score/misc.md (insv, extv, extzv, movmemsi,
12383 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12384 * config/score/score.c (score_address_cost, score_select_cc_mode):
12386 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12387 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12388 Update score_print_operand.
12389 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12390 Adjust register allocate order and update some macro define.
12391 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12392 mdx_block_move_straight, mdx_block_move_loop_head,
12393 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12394 mdx_block_move): Added.
12395 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12396 mdp_limm): Updated and fix some bug and typo.
12397 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12398 (movsf, movdf, doloop_end): Added.
12400 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
12402 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12403 config/arm/thumb2.md: Fix comment typos.
12404 * doc/extend.texi: Fix a typo.
12406 2007-01-07 Eric Christopher <echristo@apple.com>
12408 * configure.ac: Check for __stack_chk_fail for darwin.
12409 * configure: Regenerate.
12411 2007-01-07 Richard Guenther <rguenther@suse.de>
12413 * tree-vrp.c (extract_range_from_assert): CSE calls to
12414 compare_values where possible.
12415 (extract_range_from_unary_expr): Likewise.
12417 2007-01-07 Anatoly Sokolov <aesok@post.ru>
12419 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12420 * config/avr/avr.c (call_insn_operand): Delete function.
12421 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12422 instead of register number. Use predicates.
12423 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12424 call_insn_operand): Add.
12426 2007-01-06 Jan Hubicka <jh@suse.cz>
12428 * tree-pass.h (pass_build_cgraph_edges): Declare.
12429 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12430 (visited_nodes): Remove.
12431 (cgraph_create_edges): Move to cgraphbuild.c; rename to
12432 build_cgrpah_edges; make visited_nodes local.
12433 (cgraph_process_new_functions): DO not call initialize_inline_failed.
12434 (record_references_in_initializer): Move to cgraphbuild.c
12435 (initialize_inline_failed, rebuild_cgraph_edges,
12436 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12437 (verify_cgraph_node): Make visited_nodes local.
12438 (cgraph_analyze_function): Do not call cgraph_create_edges and
12439 initialize_inline_failed.
12440 (cgraph_expand_function): Do not call cgraph_lower_function;
12441 assert that function is already lowered.
12442 * Makefile.in (cgraphbuild.o): New.
12443 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12444 at the end of lowering passes.
12446 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
12448 * ifcvt.c (cond_move_convert_if_block): New function, code
12449 factored out from...
12450 (cond_move_process_if_block): ...here. Call the new function
12451 on the THEN and ELSE blocks.
12452 (merge_if_block): Do not copy global_live_at_end, merge_blocks
12453 already takes care of this.
12455 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12458 * tree.h (TREE_OVERFLOW_P): New.
12459 * c-typeck.c (parser_build_unary_op): Warn only if result
12460 overflowed and operands did not.
12461 (parser_build_binary_op): Likewise.
12462 (convert_for_assignment): Remove redundant overflow_warning.
12463 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12465 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12467 * c-typeck.c (store_init_value): Split over two lines to follow
12468 the GNU coding style.
12470 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
12472 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12473 __GXX_EXPERIMENTAL_CXX0X__.
12474 * doc/cpp.texi: Same.
12476 2007-01-05 Richard Guenther <rguenther@suse.de>
12478 PR middle-end/27826
12479 * tree.c (get_narrower): Do not construct COMPONENT_REFs
12480 with mismatched types. Instead explicitly build a
12481 conversion NOP_EXPR.
12483 2007-01-05 Ian Lance Taylor <iant@google.com>
12485 * c-common.c (decl_with_nonnull_addr_p): New function.
12486 (c_common_truthvalue_conversion): Call it.
12487 * c-typeck.c (build_binary_op): Likewise.
12488 * c-common.h (decl_with_nonnull_addr_p): Declare.
12490 2007-01-05 Jakub Jelinek <jakub@redhat.com>
12493 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12496 2007-01-05 Joel Brobecker <brobecker@adacore.com>
12498 * doc/install.texi (Final install): Document the fact that
12499 the GNAT runtime should not be stripped.
12501 2007-01-04 Jan Hubicka <jh@suse.cz>
12503 * tree-inline.c (fold_marked_statements): Update operand caches
12504 and EH after folding
12506 2007-01-04 Ian Lance Taylor <iant@google.com>
12508 * c-common.c (check_function_nonnull): Whitespace fix.
12510 2007-01-04 Jan Hubicka <jh@suse.cz>
12512 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12513 comitted older version of patch.
12514 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12515 function, celanup cfg and collect garbage.
12517 2007-01-04 Mike Stump <mrs@apple.com>
12519 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12522 2007-01-04 Eric Christopher <echristo@apple.com>
12524 * libgcc2.c (__bswapsi2): Use SItype.
12525 (__bswapdi2): Use DItype.
12526 * libgcc2.h: Update for above.
12528 2007-01-04 Paul Brook <paul@codesourcery.com>
12530 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12531 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12532 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12533 umulsidi3, umulsidi3adddi, smulsi3_highpart,
12534 umulsi3_highpart): Make conditional on !arm_arch6.
12535 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12536 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12537 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12538 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12539 umulsi3_highpart_v6): New insns.
12541 2007-01-04 Roger Sayle <roger@eyesopen.com>
12543 * fold-const.c (fold_convert): When casting an expression to void,
12544 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12545 have a type. Instead of attempting to build a NOP_EXPR, return
12546 these "special" trees directly.
12548 2007-01-04 Joseph Myers <joseph@codesourcery.com>
12550 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12551 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
12552 rs6000_cost->fp not 0 as adjustment for outer NEG.
12554 2007-01-04 Jan Hubicka <jh@suse.cz>
12556 * cgraph.c (cgraph_release_function_body): New function.
12557 (cgraph_remove_node): Use it.
12558 * cgraph.h (cgraph_release_function_body): Declare.
12559 * cgraphunit.c (cgraph_expand_function): Use it.
12560 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12561 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12562 is initialized and while compilation of other function is running.
12563 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12564 statement CFG annotations from here to ...
12565 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12567 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
12569 * cfgloop.h (enum li_flags): Make the constants powers of two.
12571 2007-01-04 Jan Hubicka <jh@suse.cz>
12573 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12575 (fold_marked_statements): New function.
12576 (optimize_inline_calls, tree_function_versioning): Fold new statements.
12577 * tree-inline.h (copy_body_data): Add statements_to_fold.
12579 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
12581 * config.gcc: Mention libgcc/config.host.
12582 * Makefile.in: Update comments mentioning libgcc.
12583 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12584 (all.cross, start.encap, rest.encap, rest.cross): Update
12585 dependencies for libgcc move.
12586 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12587 (clean-target, clean-target-libgcc): Delete.
12588 (srcdirify, GCC_EXTRA_PARTS): New macros.
12589 (libgcc-support, libgcc.mvars): New rules.
12590 (distclean): Remove mention of mklibgcc.
12591 (install): Don't reference INSTALL_LIBGCC.
12592 (install-common): Don't reference EXTRA_PARTS.
12593 (install-libgcc, install-multilib): Delete rules.
12594 * mklibgcc.in: Delete file.
12595 * doc/configfiles.texi: Don't mention mklibgcc.
12597 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12598 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12599 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12600 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12601 (mklibgcc, ldblspecs): Likewise.
12603 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12604 (posixpre.def): Use $(T).
12605 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12606 (SHLIB_SRC, SHLIB_INSTALL): Delete.
12607 (SHLIB_LINK): Make dummy.
12608 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12610 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12612 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12613 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12614 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12615 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12617 * configure.ac (all_outputs): Remove mklibgcc.
12618 * configure: Regenerated.
12620 2007-01-03 Josh Conner <jconner@apple.com>
12622 PR middle-end/29683
12623 * calls.c (compute_argument_addresses): Set stack and stack_slot
12624 for partial args, too.
12625 (store_one_arg): Use locate.size.constant for the size when
12626 generating a save_area.
12628 2007-01-03 Robert Kennedy <jimbob@google.com>
12630 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12631 whose definitions are deleted due to basic block merging.
12633 2007-01-03 Paul Brook <paul@codesourcery.com>
12636 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
12638 (use_return_insn): Return 0 for Thumb interrupt functions.
12639 (print_multi_reg): Add rfe argument for IRQ returns.
12640 (arm_output_epilogue): Pop interrupt return address directly into PC.
12641 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
12643 2007-01-03 Paul Brook <paul@codesourcery.com>
12645 Merge from sourcerygxx-4_1.
12646 * config/arm/thumb2.md: New file.
12647 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
12649 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
12650 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12651 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
12652 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
12654 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
12655 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
12657 * config/arm/ieee754-sf.S: Ditto.
12658 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
12659 (thumb1_base_register_rtx_p): ... to this.
12660 (thumb_index_register_rtx_p): Rename...
12661 (thumb1_index_register_rtx_p): ... to this.
12662 (thumb_output_function_prologue): Rename...
12663 (thumb1_output_function_prologue): ... to this.
12664 (thumb_legitimate_address_p): Rename...
12665 (thumb1_legitimate_address_p): ... to this.
12666 (thumb_rtx_costs): Rename...
12667 (thumb1_rtx_costs): ... to this.
12668 (thumb_compute_save_reg_mask): Rename...
12669 (thumb1_compute_save_reg_mask): ... to this.
12670 (thumb_final_prescan_insn): Rename...
12671 (thumb1_final_prescan_insn): ... to this.
12672 (thumb_expand_epilogue): Rename...
12673 (thumb1_expand_epilogue): ... to this.
12674 (arm_unwind_emit_stm): Rename...
12675 (arm_unwind_emit_sequence): ... to this.
12676 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
12677 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
12678 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
12679 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
12680 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
12681 thumb2_output_casesi): New functions.
12682 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
12683 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
12684 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
12685 THUMB2_WORK_REGS): Define.
12686 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
12687 arm_condexec_mask, arm_condexec_masklen)): New variables.
12688 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
12689 (arm_override_options): Check new CPU capabilities.
12690 Set new architecture flag variables.
12691 (arm_isr_value): Handle v7m interrupt functions.
12692 (user_return_insn): Return 0 for v7m interrupt functions. Handle
12694 (const_ok_for_arm): Handle Thumb-2 constants.
12695 (arm_gen_constant): Ditto. Use movw when available.
12696 (arm_function_ok_for_sibcall): Return false for v7m interrupt
12698 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
12699 (thumb_find_work_register, arm_load_pic_register,
12700 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
12701 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
12702 print_multi_reg, output_mov_long_double_fpa_from_arm,
12703 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
12704 output_mov_double_fpa_from_arm, output_move_double,
12705 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
12706 output_return_instruction, arm_output_function_prologue,
12707 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
12708 arm_output_mi_thunk, thumb_set_return_address): Ditto.
12709 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
12710 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
12711 (arithmetic_instr, shift_op): Use arm_shift_nmem.
12712 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
12714 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
12715 (thumb_expand_prologue): Use thumb_set_frame_pointer.
12716 (arm_file_start): Output directive for unified syntax.
12717 (arm_unwind_emit_set): Handle stack alignment instruction.
12718 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
12719 Add v6t2, v7, v7a, v7r and v7m.
12720 (RETLDM): Add Thumb-2 code.
12721 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
12722 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
12723 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
12724 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
12725 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
12726 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
12727 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
12728 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
12729 ADJUST_INSN_LENGTH): Define.
12730 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
12731 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
12732 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
12733 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
12734 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
12735 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
12736 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
12737 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
12738 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
12739 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
12740 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
12741 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
12742 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
12743 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
12744 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
12745 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
12746 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
12748 * config/arm/arm-tune.md: Regenerate.
12749 * config/arm/arm-protos.h: Update prototypes.
12750 * config/arm/vfp.md: Enable patterns for Thumb-2.
12751 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
12752 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
12753 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
12754 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
12755 * config/arm/libunwind.S: Add Thumb-2 code.
12756 * config/arm/constraints.md: Update include Thumb-2.
12757 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
12758 * config/arm/ieee754-df.S: Ditto.
12759 * config/arm/bpabi.S: Ditto.
12760 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
12761 * config/arm/predicates.md (low_register_operand,
12762 low_reg_or_int_operand, thumb_16bit_operator): New.
12763 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
12764 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
12765 * config/arm/t-arm-elf: Add armv7 multilib.
12766 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
12768 (UNSPEC_STACK_ALIGN, ce_count): New.
12769 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
12770 arm_zero_extendsidi2, arm_zero_extendqidi2): New
12772 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
12773 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
12774 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
12775 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
12776 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
12777 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
12779 * doc/extend.texi: Document ARMv7-M interrupt functions.
12780 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
12782 2007-01-03 Jakub Jelinek <jakub@redhat.com>
12784 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
12785 (struct _Unwind_Context): Rename args_size to flags, remove
12786 signal_frame field, add a new args_size field and version field.
12787 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
12788 _Unwind_IsExtendedContext): New inline functions.
12789 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
12790 Assume by_value array is only present if _Unwind_IsExtendedContext.
12791 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
12792 _Unwind_IsSignalFrame.
12793 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
12794 (uw_update_context_1): Use _Unwind_SetSignalFrame.
12795 (uw_init_context_1): Initialize context->flags to
12796 EXTENDED_CONTEXT_BIT.
12797 * config/rs6000/linux-unwind.h (frob_update_context): Use
12798 _Unwind_SetSignalFrame.
12800 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
12802 PR middle-end/30353
12803 * gimplify.c (gimplify_modify_expr_complex_part): Move below
12804 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
12807 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
12809 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
12810 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
12811 RET, AT_SP): Remove.
12812 * config/i386/i386.md (*sse_prologue_save_insn): Use return
12815 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12816 * cfgbuild.c (find_basic_blocks): Likewise.
12817 * cfgrtl.c (rtl_create_basic_block): Likewise.
12818 * function.c (temp_slots_at_level): Likewise.
12819 * reg-stack.c (stack_regs_mentioned): Likewise.
12820 * regclass.c (allocate_reg_info): Likewise.
12821 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12822 set_bb_for_stmt, move_block_to_fn): Likewise.
12823 * tree-complex.c (tree_lower_complex): Likewise.
12824 * vec.h (VEC_safe_grow_cleared): New.
12826 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
12828 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
12830 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
12831 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
12833 * cfgloopmanip.c (scale_loop_frequencies): Export.
12834 (loopify): Scale the frequencies by prescribed coefficients.
12835 (set_zero_probability): New function.
12836 (duplicate_loop_to_header_edge): Improve updating of frequencies.
12837 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
12838 and frequencies according to arguments.
12839 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
12841 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
12842 * modulo-sched.c (sms_schedule): Set probabilities for entering
12843 versioned loop correctly.
12844 * tree-vect-transform.c (vect_transform_loop): Ditto.
12845 * cfgloop.h (loopify, loop_version): Declaration changed.
12846 (scale_loop_frequencies): Declared.
12848 2007-01-02 Jan Hubicka <jh@suse.cz>
12850 * cgraph.c: Include tree-flow.h
12851 (cgraph_add_new-function): Handle IPA_SSA mode; execute
12852 early_local_passes.
12853 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
12854 * tree-pass.h (pass_all_early_optimizations): Declare.
12855 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
12856 early_local_passes.
12857 (cgraph_analyze_function): Do early_local_passes.
12858 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12859 Do not add referenced vars.
12860 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
12862 (gate_all_early_local_passes): New gate.
12863 (pass_early_local_passes): Use new gate.
12864 (execute_early_local_optimizations): New functions.
12865 (gate_all_early_optimizations): New gate.
12866 (pass_all_early_optimizations): New pass.
12867 (execute_free_datastructures): Free SSA only when initialized.
12868 (gate_init_datastructures): Init only when optimizing.
12869 (tree_lowering_passes): Do early local passes when called late.
12870 * tree-profile.c (do_tree_profiling): Don't profile functions added
12872 (do_early_tree_profiling, pass_early_tree_profile): Kill.
12873 * tree-cfg.c (update_modified_stmts): Do not update when operands are
12875 * passes.c (init_optimizations_passes): Reorder so we go into SSA
12876 during early_local_passes.
12877 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
12880 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12882 * Makefile.in: Update copyright year.
12884 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
12886 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
12887 in $(lang_checks) and check-consistency targets.
12889 2007-01-02 Jan Hubicka <jh@suse.cz>
12891 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
12892 Do not add referenced vars.
12893 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
12895 * passes.c (init_optimization_passes): Put mudflap_2 after
12896 free_datastructures.
12898 2007-01-02 Jan Hubicka <jh@suse.cz>
12900 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
12901 Set NOTHROW flag on call statements proved to be nothrow.
12902 Update statement of local calls so new pure/const functions are
12903 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
12905 (tree_rest_of_compilation): Register hooks and initialize bitmap
12906 early. Do not set after_inlining flag.
12908 2007-01-02 Steve Ellcey <sje@cup.hp.com>
12910 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
12911 HOST_BITS_PER_LONGLONG
12913 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12916 * c-typeck.c (store_init_value): Don't emit pedantic overflow
12917 warning for non-static initializers.
12919 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
12921 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
12922 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
12923 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
12924 Always use set_unique_reg_note to add REG_EQUAL notes.
12926 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12929 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12931 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12932 * cfgbuild.c (find_basic_blocks): Likewise.
12933 * cfgrtl.c (rtl_create_basic_block): Likewise.
12934 * function.c (temp_slots_at_level): Likewise.
12935 * reg-stack.c (stack_regs_mentioned): Likewise.
12936 * regclass.c (allocate_reg_info): Likewise.
12937 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12938 set_bb_for_stmt, move_block_to_fn): Likewise.
12939 * tree-complex.c (tree_lower_complex): Likewise.
12940 * vec.h (VEC_safe_grow_cleared): New.
12942 2007-01-02 Ian Lance Taylor <iant@google.com>
12944 * c-common.c (c_common_truthvalue_conversion): When warning about
12945 using an assignment as a truth value, set TREE_NO_WARNING.
12947 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12950 * c.opt (Wold-style-declaration): New.
12951 * doc/invoke.texi (C-only Warning Options): New.
12952 (Wold-style-declaration): Document it.
12953 (Wextra): Enabled by -Wextra.
12954 * c-opts.c (c_common_post_options): Enabled by -Wextra.
12955 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
12956 -Wold-style-declaration.
12958 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
12960 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
12961 * cfgbuild.c (find_basic_blocks): Likewise.
12962 * cfgrtl.c (rtl_create_basic_block): Likewise.
12963 * function.c (temp_slots_at_level): Likewise.
12964 * reg-stack.c (stack_regs_mentioned): Likewise.
12965 * regclass.c (allocate_reg_info): Likewise.
12966 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
12967 set_bb_for_stmt, move_block_to_fn): Likewise.
12968 * tree-complex.c (tree_lower_complex): Likewise.
12969 * vec.h (VEC_safe_grow_cleared): New.
12971 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
12973 * c-common.c (c_common_nodes_and_builtins): Since variants of
12974 void_type_node get built before it is given a name, we need to
12975 give those variants the name, too.
12976 (complete_array_type): We need to work with the canonical main
12977 type of the array, from which we will build the qualified version.
12978 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
12979 * print-tree.c (print_node): Display canonical type information
12981 * stor-layout.c (layout_type): When we don't know the
12982 alignment of a type for which we're building an array, we end up
12983 guessing wrong, so make the type require structural equality.
12984 * tree.c (make_node_stat): When we build a new type, it is its
12985 own canonical type.
12986 (build_type_attribute_qual_variant): When building an attribute
12987 variant, its canonical type is the non-attribute variant. However,
12988 if the attributes are target-dependent and they differ, we need to
12989 use structural equality checks for this type.
12990 (build_qualified_type): A qualified type is not equivalent to its
12991 unqualified variant; set the canonical type appropriately.
12992 (build_distinct_type_copy): When building a distinct type from
12993 another type, the new type is its own canonical type.
12994 (build_variant_type_copy): When building a new type variant, we
12995 assume that it is equivalent to the original type.
12996 (build_pointer_type_for_mode): When building a pointer type, also
12997 build a canonical type pointer.
12998 (build_reference_type_for_mode): When building a reference type,
12999 also build a canonical type reference.
13000 (build_index_type): When we can't hash an index type (e.g.,
13001 because its maximum value is negative), the index type requires
13002 structural equality tests.
13003 (build_array_type): Build the canonical form of an array type.
13004 (build_function_type): Function types require structural equality,
13005 because they contain default arguments, attributes, etc.
13006 (build_method_type_directly): Ditto for method types.
13007 (build_offset_type): Build the canonical offset type.
13008 (build_complex_type): Build the canonical vector type.
13009 (make_vector_type): Build the canonical vector type.
13010 * tree.h (TYPE_CANONICAL): New.
13011 (TYPE_STRUCTURAL_EQUALITY_P): New.
13012 (SET_TYPE_STRUCTURAL_EQUALITY): New.
13013 (struct tree_type): Added "canonical" field.
13014 * params.h (VERIFY_CANONICAL_TYPES): New.
13015 * doc/c-tree.texi (TYPE_CANONICAL): Document.
13016 (TYPE_STRUCTURAL_EQUALITY_P): Document.
13017 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13018 * doc/invoke.texi (verify-canonical-types): Document --param
13019 parameter for verifying canonical types.
13021 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13023 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13024 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13025 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13026 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13028 * config/rs6000/e500.h: New.
13029 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13030 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13032 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13033 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13034 TARGET_E500_DOUBLE): Remove.
13035 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13036 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13037 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13038 * config/rs6000/rs6000.c (rs6000_override_options): Use
13039 CHECK_E500_OPTIONS.
13041 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13043 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13044 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13045 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13046 rs6000_emit_cmove): Don't check TARGET_E500.
13047 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13048 sordered): Don't check TARGET_E500.
13050 2007-01-01 Eric Christopher <echristo@apple.com>
13052 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13053 HARD_REGISTER_NUM_P.
13055 2007-01-01 Roger Sayle <roger@eyesopen.com>
13057 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13058 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13059 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13062 2007-01-01 Mike Stump <mrs@apple.com>
13064 * configure.ac: Remove support for building with Apple's gcc-3.1.
13066 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13068 PR middle-end/30311
13069 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13070 REG is a hard register. Do not modify REG before calling
13072 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13073 multiple of the size of YMODE for certain lowpart cases.
13075 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13077 PR middle-end/30253
13078 * gimplify (voidify_wrapper_expr): Update for
13079 GIMPLE_MODIFY_STMT.
13081 2007-01-01 Andreas Schwab <schwab@suse.de>
13084 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13085 save of BR0 in extra_spill_size instead of spill_size.
13086 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13088 (ia64_expand_epilogue): Restore BR0 from its new location.
13090 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13092 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13093 Use a temporary variable if the left hand side is not a gimple
13096 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13098 * gimplify.c (gimplify_return_expr): Make the temporary variable
13099 for the return expression, a gimple register variable.
13101 2007-01-01 Jan Hubicka <jh@suse.cz>
13103 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13106 2007-01-01 Mike Stump <mrs@apple.com>
13108 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13110 * config/darwin.c (machopic_select_rtx_section): Use
13111 HAVE_GAS_LITERAL16.
13112 (darwin_mergeable_constant_section): Likewise.
13113 * configure: Regenerate.
13114 * config.in: Regenerate.
13116 2007-01-01 Jan Hubicka <jh@suse.cz>
13117 Andrew Pinski <pinskia@gmail.com>
13119 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13120 before starting IPA passes.